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6555 lines
225 KiB
C
6555 lines
225 KiB
C
/* Basic detection engine */
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#include "eidps-common.h"
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#include "eidps.h"
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#include "debug.h"
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#include "detect.h"
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#include "flow.h"
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#include "detect-parse.h"
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#include "detect-engine.h"
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#include "detect-engine-siggroup.h"
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#include "detect-engine-address.h"
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#include "detect-engine-proto.h"
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#include "detect-engine-port.h"
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#include "detect-engine-mpm.h"
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#include "detect-engine-iponly.h"
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#include "detect-decode-event.h"
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#include "detect-ipopts.h"
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#include "detect-flags.h"
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#include "detect-fragbits.h"
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#include "detect-gid.h"
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#include "detect-content.h"
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#include "detect-uricontent.h"
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#include "detect-pcre.h"
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#include "detect-depth.h"
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#include "detect-nocase.h"
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#include "detect-recursive.h"
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#include "detect-rawbytes.h"
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#include "detect-bytetest.h"
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#include "detect-bytejump.h"
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#include "detect-sameip.h"
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#include "detect-ipproto.h"
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#include "detect-within.h"
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#include "detect-distance.h"
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#include "detect-offset.h"
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#include "detect-sid.h"
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#include "detect-priority.h"
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#include "detect-classtype.h"
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#include "detect-reference.h"
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#include "detect-threshold.h"
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#include "detect-metadata.h"
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#include "detect-msg.h"
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#include "detect-rev.h"
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#include "detect-flow.h"
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#include "detect-window.h"
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#include "detect-isdataat.h"
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#include "detect-id.h"
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#include "detect-dsize.h"
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#include "detect-flowvar.h"
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#include "detect-pktvar.h"
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#include "detect-noalert.h"
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#include "detect-flowbits.h"
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#include "detect-csum.h"
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#include "detect-stream_size.h"
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#include "detect-engine-sigorder.h"
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#include "action-globals.h"
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#include "tm-modules.h"
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#include "pkt-var.h"
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#include "util-print.h"
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#include "util-unittest.h"
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#include "util-debug.h"
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#include "util-hashlist.h"
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SigMatch *SigMatchAlloc(void);
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void SigMatchFree(SigMatch *sm);
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void DetectExitPrintStats(ThreadVars *tv, void *data);
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void DbgPrintSigs(DetectEngineCtx *, SigGroupHead *);
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void DbgPrintSigs2(DetectEngineCtx *, SigGroupHead *);
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/* tm module api functions */
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TmEcode Detect(ThreadVars *, Packet *, void *, PacketQueue *);
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TmEcode DetectThreadInit(ThreadVars *, void *, void **);
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TmEcode DetectThreadDeinit(ThreadVars *, void *);
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void TmModuleDetectRegister (void) {
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tmm_modules[TMM_DETECT].name = "Detect";
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tmm_modules[TMM_DETECT].ThreadInit = DetectThreadInit;
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tmm_modules[TMM_DETECT].Func = Detect;
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tmm_modules[TMM_DETECT].ThreadExitPrintStats = DetectExitPrintStats;
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tmm_modules[TMM_DETECT].ThreadDeinit = DetectThreadDeinit;
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tmm_modules[TMM_DETECT].RegisterTests = SigRegisterTests;
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}
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void DetectExitPrintStats(ThreadVars *tv, void *data) {
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DetectEngineThreadCtx *det_ctx = (DetectEngineThreadCtx *)data;
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if (det_ctx == NULL)
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return;
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SCLogInfo("(%s) (1byte) Pkts %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->pkts, det_ctx->pkts_scanned1,
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(float)(det_ctx->pkts_scanned1/(float)(det_ctx->pkts)*100),
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det_ctx->pkts_searched1,
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(float)(det_ctx->pkts_searched1/(float)(det_ctx->pkts)*100),
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(float)(det_ctx->pkts_searched1/(float)(det_ctx->pkts_scanned1)*100));
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SCLogInfo("(%s) (2byte) Pkts %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->pkts, det_ctx->pkts_scanned2,
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(float)(det_ctx->pkts_scanned2/(float)(det_ctx->pkts)*100),
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det_ctx->pkts_searched2,
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(float)(det_ctx->pkts_searched2/(float)(det_ctx->pkts)*100),
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(float)(det_ctx->pkts_searched2/(float)(det_ctx->pkts_scanned2)*100));
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SCLogInfo("(%s) (3byte) Pkts %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->pkts, det_ctx->pkts_scanned3,
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(float)(det_ctx->pkts_scanned3/(float)(det_ctx->pkts)*100),
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det_ctx->pkts_searched3,
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(float)(det_ctx->pkts_searched3/(float)(det_ctx->pkts)*100),
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(float)(det_ctx->pkts_searched3/(float)(det_ctx->pkts_scanned3)*100));
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SCLogInfo("(%s) (4byte) Pkts %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->pkts, det_ctx->pkts_scanned4,
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(float)(det_ctx->pkts_scanned4/(float)(det_ctx->pkts)*100),
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det_ctx->pkts_searched4,
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(float)(det_ctx->pkts_searched4/(float)(det_ctx->pkts)*100),
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(float)(det_ctx->pkts_searched4/(float)(det_ctx->pkts_scanned4)*100));
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SCLogInfo("(%s) (+byte) Pkts %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->pkts, det_ctx->pkts_scanned,
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(float)(det_ctx->pkts_scanned/(float)(det_ctx->pkts)*100),
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det_ctx->pkts_searched,
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(float)(det_ctx->pkts_searched/(float)(det_ctx->pkts)*100),
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(float)(det_ctx->pkts_searched/(float)(det_ctx->pkts_scanned)*100));
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SCLogInfo("(%s) URI (1byte) Uri's %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->uris, det_ctx->pkts_uri_scanned1,
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(float)(det_ctx->pkts_uri_scanned1/(float)(det_ctx->uris)*100),
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det_ctx->pkts_uri_searched1,
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(float)(det_ctx->pkts_uri_searched1/(float)(det_ctx->uris)*100),
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(float)(det_ctx->pkts_uri_searched1/(float)(det_ctx->pkts_uri_scanned1)*100));
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SCLogInfo("(%s) URI (2byte) Uri's %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->uris, det_ctx->pkts_uri_scanned2,
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(float)(det_ctx->pkts_uri_scanned2/(float)(det_ctx->uris)*100),
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det_ctx->pkts_uri_searched2,
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(float)(det_ctx->pkts_uri_searched2/(float)(det_ctx->uris)*100),
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(float)(det_ctx->pkts_uri_searched2/(float)(det_ctx->pkts_uri_scanned2)*100));
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SCLogInfo("(%s) URI (3byte) Uri's %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->uris, det_ctx->pkts_uri_scanned3,
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(float)(det_ctx->pkts_uri_scanned3/(float)(det_ctx->uris)*100),
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det_ctx->pkts_uri_searched3,
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(float)(det_ctx->pkts_uri_searched3/(float)(det_ctx->uris)*100),
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(float)(det_ctx->pkts_uri_searched3/(float)(det_ctx->pkts_uri_scanned3)*100));
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SCLogInfo("(%s) URI (4byte) Uri's %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->uris, det_ctx->pkts_uri_scanned4,
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(float)(det_ctx->pkts_uri_scanned4/(float)(det_ctx->uris)*100),
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det_ctx->pkts_uri_searched4,
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(float)(det_ctx->pkts_uri_searched4/(float)(det_ctx->uris)*100),
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(float)(det_ctx->pkts_uri_searched4/(float)(det_ctx->pkts_uri_scanned4)*100));
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SCLogInfo("(%s) URI (+byte) Uri's %" PRIu32 ", Scanned %" PRIu32 " (%02.1f), Searched %" PRIu32 " (%02.1f): %02.1f%%.", tv->name,
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det_ctx->uris, det_ctx->pkts_uri_scanned,
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(float)(det_ctx->pkts_uri_scanned/(float)(det_ctx->uris)*100),
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det_ctx->pkts_uri_searched,
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(float)(det_ctx->pkts_uri_searched/(float)(det_ctx->uris)*100),
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(float)(det_ctx->pkts_uri_searched/(float)(det_ctx->pkts_uri_scanned)*100));
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}
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/** \brief Load a file with signatures
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* \retval -1 error
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* \retval 0 ok
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*/
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int DetectLoadSigFile(DetectEngineCtx *de_ctx, char *sig_file) {
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Signature *prevsig = NULL;
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Signature *sig = NULL;
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int good = 0, bad = 0;
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/* set the prevsig to the last sig of the existing list, if any */
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if (de_ctx->sig_list != NULL) {
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for (prevsig = de_ctx->sig_list;
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prevsig->next != NULL;
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prevsig = prevsig->next);
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}
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FILE *fp = fopen(sig_file, "r");
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if (fp == NULL) {
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printf("ERROR, could not open sigs file\n");
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return -1;
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}
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char line[8192] = "";
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while(fgets(line, (int)sizeof(line), fp) != NULL) {
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/** \todo multi line support */
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/* ignore comments and empty lines */
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if (line[0] == '\n' || line[0] == ' ' || line[0] == '#' || line[0] == '\t')
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continue;
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sig = SigInit(de_ctx, line);
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if (sig != NULL) {
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SCLogDebug("signature %"PRIu32" loaded", sig->id);
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if (de_ctx->sig_list == NULL) {
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de_ctx->sig_list = sig;
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} else {
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prevsig->next = sig;
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}
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prevsig = sig;
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good++;
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} else {
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bad++;
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}
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}
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fclose(fp);
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SCLogInfo("%" PRId32 " successfully loaded from file. %" PRId32 " sigs failed to load", good, bad);
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return 0;
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}
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int SigLoadSignatures (DetectEngineCtx *de_ctx, char *sig_file)
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{
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Signature *prevsig = NULL, *sig;
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/* The next 3 rules handle HTTP header capture. */
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/* http_uri -- for uricontent */
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sig = SigInit(de_ctx, "alert tcp any any -> any $HTTP_PORTS (msg:\"HTTP GET URI cap\"; flow:to_server,established; content:\"GET \"; depth:4; pcre:\"/^GET (?P<pkt_http_uri>.*) HTTP\\/\\d\\.\\d\\r\\n/G\"; noalert; sid:1;)");
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if (sig == NULL)
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return -1;
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prevsig = sig;
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de_ctx->sig_list = sig;
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sig = SigInit(de_ctx, "alert tcp any any -> any $HTTP_PORTS (msg:\"HTTP POST URI cap\"; flow:to_server,established; content:\"POST \"; depth:5; pcre:\"/^POST (?P<pkt_http_uri>.*) HTTP\\/\\d\\.\\d\\r\\n/G\"; noalert; sid:2;)");
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if (sig == NULL)
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return -1;
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prevsig->next = sig;
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prevsig = sig;
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/* http_host -- for the log-httplog module */
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sig = SigInit(de_ctx, "alert tcp any any -> any $HTTP_PORTS (msg:\"HTTP host cap\"; flow:to_server,established; content:\"|0d 0a|Host:\"; pcre:\"/^Host: (?P<pkt_http_host>.*)\\r\\n/m\"; noalert; sid:3;)");
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if (sig == NULL)
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return -1;
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prevsig->next = sig;
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prevsig = sig;
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/* http_ua -- for the log-httplog module */
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sig = SigInit(de_ctx, "alert tcp any any -> any $HTTP_PORTS (msg:\"HTTP UA cap\"; flow:to_server,established; content:\"|0d 0a|User-Agent:\"; pcre:\"/^User-Agent: (?P<pkt_http_ua>.*)\\r\\n/m\"; noalert; sid:4;)");
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if (sig == NULL)
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return -1;
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prevsig->next = sig;
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if(sig_file != NULL){
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int r = DetectLoadSigFile(de_ctx, sig_file);
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if (r < 0)
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return -1;
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}
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SCSigRegisterSignatureOrderingFuncs(de_ctx);
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SCSigOrderSignatures(de_ctx);
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SCSigSignatureOrderingModuleCleanup(de_ctx);
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/* Setup the signature group lookup structure and pattern matchers */
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SigGroupBuild(de_ctx);
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return 0;
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}
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/**
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* \brief Check if a certain sid alerted, this is used in the test functions
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*
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* \param p Packet on which we want to check if the signature alerted or not
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* \param sid Signature id of the signature that thas to be checked for a match
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*
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* \retval match A value > 0 on a match; 0 on no match
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*/
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int PacketAlertCheck(Packet *p, uint32_t sid)
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{
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uint16_t i = 0;
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int match = 0;
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for (i = 0; i < p->alerts.cnt; i++) {
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if (p->alerts.alerts[i].sid == sid)
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match++;
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}
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return match;
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}
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int PacketAlertAppend(Packet *p, uint32_t gid, uint32_t sid, uint8_t rev, uint8_t prio, char *msg)
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{
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/* XXX overflow check? */
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if (gid > 1)
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p->alerts.alerts[p->alerts.cnt].gid = gid;
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else
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p->alerts.alerts[p->alerts.cnt].gid = 1;
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p->alerts.alerts[p->alerts.cnt].sid = sid;
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p->alerts.alerts[p->alerts.cnt].rev = rev;
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p->alerts.alerts[p->alerts.cnt].prio = prio;
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p->alerts.alerts[p->alerts.cnt].msg = msg;
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p->alerts.cnt++;
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return 0;
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}
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static inline SigGroupHead *SigMatchSignaturesGetSgh(ThreadVars *th_v, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Packet *p) {
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int ds,f;
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SigGroupHead *sgh = NULL;
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/* select the dsize_gh */
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if (p->payload_len <= 100)
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ds = 0;
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else
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ds = 1;
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/* select the flow_gh */
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if (p->flowflags & FLOW_PKT_TOCLIENT)
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f = 0;
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else
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f = 1;
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/* find the right mpm instance */
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DetectAddressGroup *ag = DetectAddressLookupGroup(de_ctx->dsize_gh[ds].flow_gh[f].src_gh[p->proto],&p->src);
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if (ag != NULL) {
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/* source group found, lets try a dst group */
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ag = DetectAddressLookupGroup(ag->dst_gh,&p->dst);
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if (ag != NULL) {
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if (ag->port == NULL) {
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sgh = ag->sh;
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//printf("SigMatchSignatures: mc %p, mcu %p\n", det_ctx->mc, det_ctx->mcu);
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//printf("sigs %" PRIu32 "\n", ag->sh->sig_cnt);
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} else {
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//printf("SigMatchSignatures: we have ports\n");
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DetectPort *sport = DetectPortLookupGroup(ag->port,p->sp);
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if (sport != NULL) {
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DetectPort *dport = DetectPortLookupGroup(sport->dst_ph,p->dp);
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if (dport != NULL) {
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sgh = dport->sh;
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}
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}
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}
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}
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}
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return sgh;
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}
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int SigMatchSignatures(ThreadVars *th_v, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Packet *p)
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{
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int match = 0, fmatch = 0;
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Signature *s = NULL;
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SigMatch *sm = NULL;
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uint32_t idx,sig;
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det_ctx->pkts++;
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/* match the ip only signatures */
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if ((p->flowflags & FLOW_PKT_TOSERVER && !(p->flowflags & FLOW_PKT_TOSERVER_IPONLY_SET)) ||
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(p->flowflags & FLOW_PKT_TOCLIENT && !(p->flowflags & FLOW_PKT_TOCLIENT_IPONLY_SET))) {
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IPOnlyMatchPacket(de_ctx, &de_ctx->io_ctx, &det_ctx->io_ctx, p);
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/* save in the flow that we scanned this direction... locking is
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* done in the FlowSetIPOnlyFlag function. */
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if (p->flow != NULL)
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FlowSetIPOnlyFlag(p->flow, p->flowflags & FLOW_PKT_TOSERVER ? 1 : 0);
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}
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/* we assume we don't have an uri when we start inspection */
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det_ctx->de_have_httpuri = 0;
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det_ctx->sgh = SigMatchSignaturesGetSgh(th_v, de_ctx, det_ctx, p);
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/* if we didn't get a sig group head, we
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* have nothing to do.... */
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if (det_ctx->sgh == NULL) {
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//printf("SigMatchSignatures: no sgh\n");
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return 0;
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}
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if (p->payload_len > 0 && det_ctx->sgh->mpm_ctx != NULL && !(p->flags & PKT_NOPAYLOAD_INSPECTION)) {
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/* run the pattern matcher against the packet */
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if (det_ctx->sgh->mpm_content_maxlen > p->payload_len) {
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//printf("Not scanning as pkt payload is smaller than the largest content length we need to match");
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} else {
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uint32_t cnt = 0;
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//printf("scan: (%p, maxlen %" PRIu32 ", cnt %" PRIu32 ")\n", det_ctx->sgh, det_ctx->sgh->mpm_content_maxlen, det_ctx->sgh->sig_cnt);
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/* scan, but only if the noscan flag isn't set */
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if (det_ctx->sgh->mpm_content_maxlen == 1) det_ctx->pkts_scanned1++;
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else if (det_ctx->sgh->mpm_content_maxlen == 2) det_ctx->pkts_scanned2++;
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else if (det_ctx->sgh->mpm_content_maxlen == 3) det_ctx->pkts_scanned3++;
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else if (det_ctx->sgh->mpm_content_maxlen == 4) det_ctx->pkts_scanned4++;
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else det_ctx->pkts_scanned++;
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cnt += PacketPatternScan(th_v, det_ctx, p);
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//if (cnt != det_ctx->pmq.searchable)
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|
//printf("post scan: cnt %" PRIu32 ", searchable %" PRIu32 "\n", cnt, det_ctx->pmq.searchable);
|
|
if (det_ctx->pmq.searchable > 0) {
|
|
//printf("now search\n");
|
|
if (det_ctx->sgh->mpm_content_maxlen == 1) det_ctx->pkts_searched1++;
|
|
else if (det_ctx->sgh->mpm_content_maxlen == 2) det_ctx->pkts_searched2++;
|
|
else if (det_ctx->sgh->mpm_content_maxlen == 3) det_ctx->pkts_searched3++;
|
|
else if (det_ctx->sgh->mpm_content_maxlen == 4) det_ctx->pkts_searched4++;
|
|
else det_ctx->pkts_searched++;
|
|
|
|
cnt += PacketPatternMatch(th_v, det_ctx, p);
|
|
|
|
// printf("RAW: cnt %" PRIu32 ", det_ctx->pmq.sig_id_array_cnt %" PRIu32 "\n", cnt, det_ctx->pmq.sig_id_array_cnt);
|
|
}
|
|
det_ctx->pmq.searchable = 0;
|
|
}
|
|
}
|
|
|
|
/* inspect the sigs against the packet */
|
|
for (idx = 0; idx < det_ctx->sgh->sig_cnt; idx++) {
|
|
//for (idx = 0; idx < det_ctx->pmq.sig_id_array_cnt; idx++) {
|
|
sig = det_ctx->sgh->match_array[idx];
|
|
//sig = det_ctx->pmq.sig_id_array[idx];
|
|
s = de_ctx->sig_array[sig];
|
|
|
|
/* filter out the sigs that inspects the payload, if packet
|
|
no payload inspection flag is set*/
|
|
if ((p->flags & PKT_NOPAYLOAD_INSPECTION) && (s->flags & SIG_FLAG_PAYLOAD))
|
|
continue;
|
|
|
|
/* filter out sigs that want pattern matches, but
|
|
* have no matches */
|
|
if (!(det_ctx->pmq.sig_bitarray[(sig / 8)] & (1<<(sig % 8))) &&
|
|
(s->flags & SIG_FLAG_MPM))
|
|
continue;
|
|
|
|
//printf("idx %" PRIu32 ", det_ctx->pmq.sig_id_array_cnt %" PRIu32 ", s->id %" PRIu32 " (MPM? %s)\n", idx, det_ctx->pmq.sig_id_array_cnt, s->id, s->flags & SIG_FLAG_MPM ? "TRUE":"FALSE");
|
|
//printf("Sig %" PRIu32 "\n", s->id);
|
|
/* check the source & dst port in the sig */
|
|
if (p->proto == IPPROTO_TCP || p->proto == IPPROTO_UDP) {
|
|
if (!(s->flags & SIG_FLAG_DP_ANY)) {
|
|
DetectPort *dport = DetectPortLookupGroup(s->dp,p->dp);
|
|
if (dport == NULL)
|
|
continue;
|
|
|
|
}
|
|
if (!(s->flags & SIG_FLAG_SP_ANY)) {
|
|
DetectPort *sport = DetectPortLookupGroup(s->sp,p->sp);
|
|
if (sport == NULL)
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* check the source address */
|
|
if (!(s->flags & SIG_FLAG_SRC_ANY)) {
|
|
DetectAddressGroup *saddr = DetectAddressLookupGroup(&s->src,&p->src);
|
|
if (saddr == NULL)
|
|
continue;
|
|
}
|
|
/* check the destination address */
|
|
if (!(s->flags & SIG_FLAG_DST_ANY)) {
|
|
DetectAddressGroup *daddr = DetectAddressLookupGroup(&s->dst,&p->dst);
|
|
if (daddr == NULL)
|
|
continue;
|
|
}
|
|
|
|
/* reset pkt ptr and offset */
|
|
det_ctx->pkt_ptr = NULL;
|
|
det_ctx->pkt_off = 0;
|
|
|
|
if (s->flags & SIG_FLAG_RECURSIVE) {
|
|
uint8_t rmatch = 0;
|
|
det_ctx->pkt_cnt = 0;
|
|
|
|
do {
|
|
sm = s->match;
|
|
while (sm) {
|
|
match = sigmatch_table[sm->type].Match(th_v, det_ctx, p, s, sm);
|
|
if (match) {
|
|
/* okay, try the next match */
|
|
sm = sm->next;
|
|
|
|
/* only if the last matched as well, we have a hit */
|
|
if (sm == NULL) {
|
|
if (!(s->flags & SIG_FLAG_NOALERT)) {
|
|
/* only add once */
|
|
if (rmatch == 0) {
|
|
PacketAlertAppend(p, s->gid, s->id, s->rev, s->prio, s->msg);
|
|
|
|
/* set verdict on packet */
|
|
p->action = s->action;
|
|
}
|
|
}
|
|
rmatch = fmatch = 1;
|
|
det_ctx->pkt_cnt++;
|
|
}
|
|
} else {
|
|
/* done with this sig */
|
|
sm = NULL;
|
|
rmatch = 0;
|
|
}
|
|
}
|
|
/* Limit the number of times we do this recursive thing.
|
|
* XXX is this a sane limit? Should it be configurable? */
|
|
if (det_ctx->pkt_cnt == 10)
|
|
break;
|
|
} while (rmatch);
|
|
} else {
|
|
sm = s->match;
|
|
while (sm) {
|
|
match = sigmatch_table[sm->type].Match(th_v, det_ctx, p, s, sm);
|
|
if (match) {
|
|
/* okay, try the next match */
|
|
sm = sm->next;
|
|
|
|
/* only if the last matched as well, we have a hit */
|
|
if (sm == NULL) {
|
|
fmatch = 1;
|
|
//printf("DE : sig %" PRIu32 " matched\n", s->id);
|
|
if (!(s->flags & SIG_FLAG_NOALERT)) {
|
|
PacketAlertAppend(p, s->gid, s->id, s->rev, s->prio, s->msg);
|
|
|
|
/* set verdict on packet */
|
|
p->action = s->action;
|
|
}
|
|
}
|
|
} else {
|
|
/* done with this sig */
|
|
sm = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* cleanup pkt specific part of the patternmatcher */
|
|
PacketPatternCleanup(th_v, det_ctx);
|
|
return fmatch;
|
|
}
|
|
|
|
/* tm module api functions */
|
|
|
|
/** \brief Detection engine thread wrapper.
|
|
* \param tv thread vars
|
|
* \param p packet to inspect
|
|
* \param data thread specific data
|
|
* \param pq packet queue
|
|
* \retval TM_ECODE_FAILED error
|
|
* \retval TM_ECODE_OK ok
|
|
*/
|
|
TmEcode Detect(ThreadVars *tv, Packet *p, void *data, PacketQueue *pq) {
|
|
|
|
/*No need to perform any detection on this packet, if the the given flag is set.*/
|
|
if (p->flags & PKT_NOPACKET_INSPECTION)
|
|
return 0;
|
|
|
|
DetectEngineThreadCtx *det_ctx = (DetectEngineThreadCtx *)data;
|
|
if (det_ctx == NULL) {
|
|
printf("ERROR: Detect has no thread ctx\n");
|
|
goto error;
|
|
}
|
|
|
|
DetectEngineCtx *de_ctx = det_ctx->de_ctx;
|
|
if (de_ctx == NULL) {
|
|
printf("ERROR: Detect has no detection engine ctx\n");
|
|
goto error;
|
|
}
|
|
|
|
/* see if the packet matches one or more of the sigs */
|
|
int r = SigMatchSignatures(tv,de_ctx,det_ctx,p);
|
|
if (r >= 0) {
|
|
return TM_ECODE_OK;
|
|
}
|
|
|
|
error:
|
|
return TM_ECODE_FAILED;
|
|
}
|
|
|
|
TmEcode DetectThreadInit(ThreadVars *t, void *initdata, void **data)
|
|
{
|
|
return DetectEngineThreadCtxInit(t,initdata,data);
|
|
}
|
|
|
|
TmEcode DetectThreadDeinit(ThreadVars *t, void *data) {
|
|
return DetectEngineThreadCtxDeinit(t,data);
|
|
}
|
|
|
|
void SigCleanSignatures(DetectEngineCtx *de_ctx)
|
|
{
|
|
Signature *s = NULL, *ns;
|
|
|
|
if (de_ctx == NULL)
|
|
return;
|
|
|
|
for (s = de_ctx->sig_list; s != NULL;) {
|
|
ns = s->next;
|
|
SigFree(s);
|
|
s = ns;
|
|
}
|
|
|
|
DetectEngineResetMaxSigId(de_ctx);
|
|
}
|
|
|
|
/** \brief Test is a initialized signature is IP only
|
|
* \param de_ctx detection engine ctx
|
|
* \param s the signature
|
|
* \retval 1 sig is ip only
|
|
* \retval 0 sig is not ip only
|
|
*/
|
|
int SignatureIsIPOnly(DetectEngineCtx *de_ctx, Signature *s) {
|
|
/* for tcp/udp, only consider sigs that don't have ports set, as ip-only */
|
|
if (!(s->proto.flags & DETECT_PROTO_ANY)) {
|
|
if (s->proto.proto[IPPROTO_TCP / 8] & (1 << (IPPROTO_TCP % 8)) ||
|
|
s->proto.proto[IPPROTO_UDP / 8] & (1 << (IPPROTO_UDP % 8))) {
|
|
if (!(s->flags & SIG_FLAG_SP_ANY))
|
|
return 0;
|
|
|
|
if (!(s->flags & SIG_FLAG_DP_ANY))
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
SigMatch *sm = s->match;
|
|
if (sm == NULL)
|
|
goto iponly;
|
|
|
|
for ( ;sm != NULL; sm = sm->next) {
|
|
if ( !(sigmatch_table[sm->type].flags & SIGMATCH_IPONLY_COMPAT))
|
|
return 0;
|
|
}
|
|
|
|
iponly:
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogDebug("IP-ONLY (%" PRIu32 "): source %s, dest %s", s->id,
|
|
s->flags & SIG_FLAG_SRC_ANY ? "ANY" : "SET",
|
|
s->flags & SIG_FLAG_DST_ANY ? "ANY" : "SET");
|
|
}
|
|
return 1;
|
|
}
|
|
/**
|
|
* \brief Check if the initialized signature is inspecting the packet payload
|
|
* \param de_ctx detection engine ctx
|
|
* \param s the signature
|
|
* \retval 1 sig is inspecting the payload
|
|
* \retval 0 sig is not inspecting the payload
|
|
*/
|
|
static int SignatureIsInspectingPayload(DetectEngineCtx *de_ctx, Signature *s) {
|
|
|
|
SigMatch *sm = s->match;
|
|
if (sm == NULL)
|
|
return 0;
|
|
|
|
for (; sm != NULL; sm = sm->next) {
|
|
if (sigmatch_table[sm->type].flags & SIGMATCH_PAYLOAD) {
|
|
if (!(de_ctx->flags & DE_QUIET))
|
|
SCLogDebug("Signature (%" PRIu32 "): is inspecting payload.", s->id);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* \brief Add all signatures to their own source address group
|
|
*
|
|
* \param de_ctx Pointer to the Detection Engine Context
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int SigAddressPrepareStage1(DetectEngineCtx *de_ctx) {
|
|
Signature *tmp_s = NULL;
|
|
DetectAddressGroup *gr = NULL;
|
|
uint32_t cnt = 0, cnt_iponly = 0;
|
|
uint32_t cnt_payload = 0;
|
|
|
|
//DetectAddressGroupPrintMemory();
|
|
//DetectSigGroupPrintMemory();
|
|
//DetectPortPrintMemory();
|
|
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogDebug("building signature grouping structure, stage 1: "
|
|
"adding signatures to signature source addresses...");
|
|
}
|
|
|
|
de_ctx->sig_array_len = DetectEngineGetMaxSigId(de_ctx);
|
|
de_ctx->sig_array_size = (de_ctx->sig_array_len * sizeof(Signature *));
|
|
de_ctx->sig_array = (Signature **)malloc(de_ctx->sig_array_size);
|
|
if (de_ctx->sig_array == NULL)
|
|
goto error;
|
|
memset(de_ctx->sig_array,0,de_ctx->sig_array_size);
|
|
|
|
SCLogDebug("signature lookup array: %" PRIu32 " sigs, %" PRIu32 " bytes",
|
|
de_ctx->sig_array_len, de_ctx->sig_array_size);
|
|
|
|
/* now for every rule add the source group */
|
|
for (tmp_s = de_ctx->sig_list; tmp_s != NULL; tmp_s = tmp_s->next) {
|
|
|
|
de_ctx->sig_array[tmp_s->num] = tmp_s;
|
|
//printf(" + Signature %" PRIu32 ", internal id %" PRIu32 ", ptrs %p %p ", tmp_s->id, tmp_s->num, tmp_s, de_ctx->sig_array[tmp_s->num]);
|
|
|
|
/* see if the sig is ip only */
|
|
if (SignatureIsIPOnly(de_ctx, tmp_s) == 1) {
|
|
tmp_s->flags |= SIG_FLAG_IPONLY;
|
|
cnt_iponly++;
|
|
//printf("(IP only)\n");
|
|
/*see if any sig is inspecting the packet payload*/
|
|
} else if (SignatureIsInspectingPayload(de_ctx, tmp_s) == 1) {
|
|
tmp_s->flags |= SIG_FLAG_PAYLOAD;
|
|
cnt_payload++;
|
|
//printf("\n");
|
|
//if (tmp_s->proto.flags & DETECT_PROTO_ANY) {
|
|
//printf("Signature %" PRIu32 " applies to all protocols.\n",tmp_s->id);
|
|
//}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
if (SCLogDebugEnabled()) {
|
|
uint16_t colen = 0;
|
|
char copresent = 0;
|
|
SigMatch *sm;
|
|
DetectContentData *co;
|
|
for (sm = tmp_s->match; sm != NULL; sm = sm->next) {
|
|
if (sm->type != DETECT_CONTENT)
|
|
continue;
|
|
|
|
copresent = 1;
|
|
co = (DetectContentData *)sm->ctx;
|
|
if (co->content_len > colen)
|
|
colen = co->content_len;
|
|
}
|
|
|
|
if (copresent && colen == 1) {
|
|
SCLogDebug("signature %8u content maxlen 1", tmp_s->id);
|
|
int proto;
|
|
for (proto = 0; proto < 256; proto++) {
|
|
if (tmp_s->proto.proto[(proto/8)] & (1<<(proto%8)))
|
|
SCLogDebug("=> proto %" PRId32 "", proto);
|
|
}
|
|
}
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
|
|
for (gr = tmp_s->src.ipv4_head; gr != NULL; gr = gr->next) {
|
|
//printf("Stage1: ip4 ");DetectAddressDataPrint(gr->ad);printf("\n");
|
|
if (SigGroupHeadAppendSig(de_ctx, &gr->sh, tmp_s) < 0) {
|
|
goto error;
|
|
}
|
|
cnt++;
|
|
}
|
|
for (gr = tmp_s->src.ipv6_head; gr != NULL; gr = gr->next) {
|
|
if (SigGroupHeadAppendSig(de_ctx, &gr->sh, tmp_s) < 0) {
|
|
goto error;
|
|
}
|
|
cnt++;
|
|
}
|
|
for (gr = tmp_s->src.any_head; gr != NULL; gr = gr->next) {
|
|
if (SigGroupHeadAppendSig(de_ctx, &gr->sh, tmp_s) < 0) {
|
|
goto error;
|
|
}
|
|
cnt++;
|
|
}
|
|
de_ctx->sig_cnt++;
|
|
}
|
|
|
|
//DetectAddressGroupPrintMemory();
|
|
//DetectSigGroupPrintMemory();
|
|
//DetectPortPrintMemory();
|
|
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("%" PRIu32 " signatures processed. %" PRIu32 " are IP-only rules and %" PRIu32 " are inspecting packet payload",
|
|
de_ctx->sig_cnt, cnt_iponly, cnt_payload);
|
|
SCLogInfo("building signature grouping structure, stage 1: "
|
|
"adding signatures to signature source addresses... done");
|
|
}
|
|
return 0;
|
|
error:
|
|
printf("SigAddressPrepareStage1 error\n");
|
|
return -1;
|
|
}
|
|
|
|
static int DetectEngineLookupBuildSourceAddressList(DetectEngineCtx *de_ctx, DetectEngineLookupFlow *flow_gh, Signature *s, int family) {
|
|
DetectAddressGroup *gr = NULL, *lookup_gr = NULL, *head = NULL;
|
|
int proto;
|
|
|
|
//printf("DetectEngineLookupBuildSourceAddressList: sig %"PRIu32", family %"PRIi32"\n", s->id, family);
|
|
|
|
if (family == AF_INET) {
|
|
head = s->src.ipv4_head;
|
|
} else if (family == AF_INET6) {
|
|
head = s->src.ipv6_head;
|
|
} else {
|
|
head = s->src.any_head;
|
|
}
|
|
|
|
/* for each source address group in the signature... */
|
|
for (gr = head; gr != NULL; gr = gr->next) {
|
|
/* ...and each protocol the signature matches on... */
|
|
for (proto = 0; proto < 256; proto++) {
|
|
if ((s->proto.proto[(proto/8)] & (1<<(proto%8))) || (s->proto.flags & DETECT_PROTO_ANY)) {
|
|
/* ...see if the group is in the tmp list, and if not add it. */
|
|
if (family == AF_INET) {
|
|
lookup_gr = DetectAddressGroupLookup(flow_gh->tmp_gh[proto]->ipv4_head,gr->ad);
|
|
} else if (family == AF_INET6) {
|
|
lookup_gr = DetectAddressGroupLookup(flow_gh->tmp_gh[proto]->ipv6_head,gr->ad);
|
|
} else {
|
|
lookup_gr = DetectAddressGroupLookup(flow_gh->tmp_gh[proto]->any_head,gr->ad);
|
|
}
|
|
|
|
if (lookup_gr == NULL) {
|
|
DetectAddressGroup *grtmp = DetectAddressGroupInit();
|
|
if (grtmp == NULL) {
|
|
goto error;
|
|
}
|
|
DetectAddressData *adtmp = DetectAddressDataCopy(gr->ad);
|
|
if (adtmp == NULL) {
|
|
goto error;
|
|
}
|
|
grtmp->ad = adtmp;
|
|
grtmp->cnt = 1;
|
|
|
|
SigGroupHeadAppendSig(de_ctx, &grtmp->sh, s);
|
|
|
|
/* add to the lookup list */
|
|
if (family == AF_INET) {
|
|
DetectAddressGroupAdd(&flow_gh->tmp_gh[proto]->ipv4_head, grtmp);
|
|
} else if (family == AF_INET6) {
|
|
DetectAddressGroupAdd(&flow_gh->tmp_gh[proto]->ipv6_head, grtmp);
|
|
} else {
|
|
DetectAddressGroupAdd(&flow_gh->tmp_gh[proto]->any_head, grtmp);
|
|
}
|
|
} else {
|
|
/* our group will only have one sig, this one. So add that. */
|
|
SigGroupHeadAppendSig(de_ctx, &lookup_gr->sh, s);
|
|
lookup_gr->cnt++;
|
|
}
|
|
}
|
|
}
|
|
SigGroupHeadFree(gr->sh);
|
|
gr->sh = NULL;
|
|
}
|
|
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
static uint32_t g_detectengine_ip4_small = 0;
|
|
static uint32_t g_detectengine_ip4_big = 0;
|
|
static uint32_t g_detectengine_ip4_small_toclient = 0;
|
|
static uint32_t g_detectengine_ip4_small_toserver = 0;
|
|
static uint32_t g_detectengine_ip4_big_toclient = 0;
|
|
static uint32_t g_detectengine_ip4_big_toserver = 0;
|
|
|
|
static uint32_t g_detectengine_ip6_small = 0;
|
|
static uint32_t g_detectengine_ip6_big = 0;
|
|
static uint32_t g_detectengine_ip6_small_toclient = 0;
|
|
static uint32_t g_detectengine_ip6_small_toserver = 0;
|
|
static uint32_t g_detectengine_ip6_big_toclient = 0;
|
|
static uint32_t g_detectengine_ip6_big_toserver = 0;
|
|
|
|
static uint32_t g_detectengine_any_small = 0;
|
|
static uint32_t g_detectengine_any_big = 0;
|
|
static uint32_t g_detectengine_any_small_toclient = 0;
|
|
static uint32_t g_detectengine_any_small_toserver = 0;
|
|
static uint32_t g_detectengine_any_big_toclient = 0;
|
|
static uint32_t g_detectengine_any_big_toserver = 0;
|
|
|
|
/* add signature to the right flow groups
|
|
*/
|
|
static int DetectEngineLookupFlowAddSig(DetectEngineCtx *de_ctx, DetectEngineLookupDsize *ds, Signature *s, int family, int dsize) {
|
|
uint8_t flags = 0;
|
|
|
|
SigMatch *sm = s->match;
|
|
for ( ; sm != NULL; sm = sm->next) {
|
|
if (sm->type != DETECT_FLOW)
|
|
continue;
|
|
|
|
DetectFlowData *df = (DetectFlowData *)sm->ctx;
|
|
if (df == NULL)
|
|
continue;
|
|
|
|
flags = df->flags;
|
|
}
|
|
|
|
if (flags & FLOW_PKT_TOCLIENT) {
|
|
/* only toclient */
|
|
DetectEngineLookupBuildSourceAddressList(de_ctx, &ds->flow_gh[0], s, family);
|
|
|
|
if (family == AF_INET)
|
|
dsize ? g_detectengine_ip4_big_toclient++ : g_detectengine_ip4_small_toclient++;
|
|
else if (family == AF_INET6)
|
|
dsize ? g_detectengine_ip6_big_toclient++ : g_detectengine_ip6_small_toclient++;
|
|
else
|
|
dsize ? g_detectengine_any_big_toclient++ : g_detectengine_any_small_toclient++;
|
|
} else if (flags & FLOW_PKT_TOSERVER) {
|
|
/* only toserver */
|
|
DetectEngineLookupBuildSourceAddressList(de_ctx, &ds->flow_gh[1], s, family);
|
|
|
|
if (family == AF_INET)
|
|
dsize ? g_detectengine_ip4_big_toserver++ : g_detectengine_ip4_small_toserver++;
|
|
else if (family == AF_INET6)
|
|
dsize ? g_detectengine_ip6_big_toserver++ : g_detectengine_ip6_small_toserver++;
|
|
else
|
|
dsize ? g_detectengine_any_big_toserver++ : g_detectengine_any_small_toserver++;
|
|
} else {
|
|
//printf("DetectEngineLookupFlowAddSig: s->id %"PRIu32"\n", s->id);
|
|
|
|
/* both */
|
|
DetectEngineLookupBuildSourceAddressList(de_ctx, &ds->flow_gh[0], s, family);
|
|
DetectEngineLookupBuildSourceAddressList(de_ctx, &ds->flow_gh[1], s, family);
|
|
|
|
if (family == AF_INET) {
|
|
dsize ? g_detectengine_ip4_big_toclient++ : g_detectengine_ip4_small_toclient++;
|
|
dsize ? g_detectengine_ip4_big_toserver++ : g_detectengine_ip4_small_toserver++;
|
|
} else if (family == AF_INET6) {
|
|
dsize ? g_detectengine_ip6_big_toserver++ : g_detectengine_ip6_small_toserver++;
|
|
dsize ? g_detectengine_ip6_big_toclient++ : g_detectengine_ip6_small_toclient++;
|
|
} else {
|
|
dsize ? g_detectengine_any_big_toclient++ : g_detectengine_any_small_toclient++;
|
|
dsize ? g_detectengine_any_big_toserver++ : g_detectengine_any_small_toserver++;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Add a sig to the dsize groupheads it belongs in. Meant to keep
|
|
* sigs for small packets out of the 'normal' detection so the small
|
|
* patterns won't influence as much traffic.
|
|
*
|
|
*/
|
|
static int DetectEngineLookupDsizeAddSig(DetectEngineCtx *de_ctx, Signature *s, int family) {
|
|
uint16_t low = 0, high = 65535;
|
|
|
|
SigMatch *sm = s->match;
|
|
for ( ; sm != NULL; sm = sm->next) {
|
|
if (sm->type != DETECT_DSIZE)
|
|
continue;
|
|
|
|
DetectDsizeData *dd = (DetectDsizeData *)sm->ctx;
|
|
if (dd == NULL)
|
|
continue;
|
|
|
|
if (dd->mode == DETECTDSIZE_LT) {
|
|
low = 0;
|
|
high = dd->dsize - 1;
|
|
} else if (dd->mode == DETECTDSIZE_GT) {
|
|
low = dd->dsize + 1;
|
|
high = 65535;
|
|
} else if (dd->mode == DETECTDSIZE_EQ) {
|
|
low = dd->dsize;
|
|
high = dd->dsize;
|
|
} else if (dd->mode == DETECTDSIZE_RA) {
|
|
low = dd->dsize;
|
|
high = dd->dsize2;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
if (low <= 100) {
|
|
/* add to 'low' group */
|
|
DetectEngineLookupFlowAddSig(de_ctx, &de_ctx->dsize_gh[0], s, family, 0);
|
|
if (family == AF_INET)
|
|
g_detectengine_ip4_small++;
|
|
else if (family == AF_INET6)
|
|
g_detectengine_ip6_small++;
|
|
else
|
|
g_detectengine_any_small++;
|
|
}
|
|
if (high > 100) {
|
|
/* add to 'high' group */
|
|
DetectEngineLookupFlowAddSig(de_ctx, &de_ctx->dsize_gh[1], s, family, 1);
|
|
if (family == AF_INET)
|
|
g_detectengine_ip4_big++;
|
|
else if (family == AF_INET6)
|
|
g_detectengine_ip6_big++;
|
|
else
|
|
g_detectengine_any_big++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static DetectAddressGroup *GetHeadPtr(DetectAddressGroupsHead *head, int family) {
|
|
DetectAddressGroup *grhead;
|
|
|
|
if (head == NULL)
|
|
return NULL;
|
|
|
|
if (family == AF_INET) {
|
|
grhead = head->ipv4_head;
|
|
} else if (family == AF_INET6) {
|
|
grhead = head->ipv6_head;
|
|
} else {
|
|
grhead = head->any_head;
|
|
}
|
|
|
|
return grhead;
|
|
}
|
|
|
|
#define MAX_UNIQ_TOCLIENT_SRC_GROUPS 2
|
|
#define MAX_UNIQ_TOCLIENT_DST_GROUPS 2
|
|
#define MAX_UNIQ_TOCLIENT_SP_GROUPS 2
|
|
#define MAX_UNIQ_TOCLIENT_DP_GROUPS 3
|
|
|
|
#define MAX_UNIQ_TOSERVER_SRC_GROUPS 2
|
|
#define MAX_UNIQ_TOSERVER_DST_GROUPS 4
|
|
#define MAX_UNIQ_TOSERVER_SP_GROUPS 2
|
|
#define MAX_UNIQ_TOSERVER_DP_GROUPS 25
|
|
|
|
#define MAX_UNIQ_SMALL_TOCLIENT_SRC_GROUPS 2
|
|
#define MAX_UNIQ_SMALL_TOCLIENT_DST_GROUPS 2
|
|
#define MAX_UNIQ_SMALL_TOCLIENT_SP_GROUPS 2
|
|
#define MAX_UNIQ_SMALL_TOCLIENT_DP_GROUPS 2
|
|
|
|
#define MAX_UNIQ_SMALL_TOSERVER_SRC_GROUPS 2
|
|
#define MAX_UNIQ_SMALL_TOSERVER_DST_GROUPS 2
|
|
#define MAX_UNIQ_SMALL_TOSERVER_SP_GROUPS 2
|
|
#define MAX_UNIQ_SMALL_TOSERVER_DP_GROUPS 8
|
|
|
|
//#define SMALL_MPM(c) 0
|
|
#define SMALL_MPM(c) ((c) == 1)
|
|
// || (c) == 2)
|
|
// || (c) == 3)
|
|
|
|
int CreateGroupedAddrListCmpCnt(DetectAddressGroup *a, DetectAddressGroup *b) {
|
|
if (a->cnt > b->cnt)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int CreateGroupedAddrListCmpMpmMaxlen(DetectAddressGroup *a, DetectAddressGroup *b) {
|
|
if (a->sh == NULL || b->sh == NULL)
|
|
return 0;
|
|
|
|
if (SMALL_MPM(a->sh->mpm_content_maxlen))
|
|
return 1;
|
|
|
|
if (a->sh->mpm_content_maxlen < b->sh->mpm_content_maxlen)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
/* set unique_groups to 0 for no grouping.
|
|
*
|
|
* srchead is a ordered "inserted" list w/o internal overlap
|
|
*
|
|
*/
|
|
int CreateGroupedAddrList(DetectEngineCtx *de_ctx, DetectAddressGroup *srchead, int family, DetectAddressGroupsHead *newhead, uint32_t unique_groups, int (*CompareFunc)(DetectAddressGroup *, DetectAddressGroup *), uint32_t max_idx) {
|
|
DetectAddressGroup *tmplist = NULL, *tmplist2 = NULL, *joingr = NULL;
|
|
char insert = 0;
|
|
DetectAddressGroup *gr, *next_gr;
|
|
uint32_t groups = 0;
|
|
|
|
/* insert the addresses into the tmplist, where it will
|
|
* be sorted descending on 'cnt'. */
|
|
for (gr = srchead; gr != NULL; gr = gr->next) {
|
|
SigGroupHeadSetMpmMaxlen(de_ctx, gr->sh);
|
|
|
|
if (SMALL_MPM(gr->sh->mpm_content_maxlen) && unique_groups > 0)
|
|
unique_groups++;
|
|
|
|
//printf(" 1 -= Address "); DetectAddressDataPrint(gr->ad); printf("\n");
|
|
//printf(" : "); DbgPrintSigs2(de_ctx, gr->sh);
|
|
|
|
groups++;
|
|
|
|
/* alloc a copy */
|
|
DetectAddressGroup *newtmp = DetectAddressGroupInit();
|
|
if (newtmp == NULL) {
|
|
goto error;
|
|
}
|
|
DetectAddressData *adtmp = DetectAddressDataCopy(gr->ad);
|
|
if (adtmp == NULL) {
|
|
goto error;
|
|
}
|
|
newtmp->ad = adtmp;
|
|
newtmp->cnt = gr->cnt;
|
|
|
|
SigGroupHeadCopySigs(de_ctx, gr->sh,&newtmp->sh);
|
|
DetectPort *port = gr->port;
|
|
for ( ; port != NULL; port = port->next) {
|
|
DetectPortInsertCopy(de_ctx,&newtmp->port, port);
|
|
}
|
|
|
|
/* insert it */
|
|
DetectAddressGroup *tmpgr = tmplist, *prevtmpgr = NULL;
|
|
if (tmplist == NULL) {
|
|
/* empty list, set head */
|
|
tmplist = newtmp;
|
|
} else {
|
|
/* look for the place to insert */
|
|
for ( ; tmpgr != NULL&&!insert; tmpgr = tmpgr->next) {
|
|
if (CompareFunc(gr, tmpgr)) {
|
|
//if (gr->cnt > tmpgr->cnt) {
|
|
if (tmpgr == tmplist) {
|
|
newtmp->next = tmplist;
|
|
tmplist = newtmp;
|
|
} else {
|
|
newtmp->next = prevtmpgr->next;
|
|
prevtmpgr->next = newtmp;
|
|
}
|
|
insert = 1;
|
|
}
|
|
prevtmpgr = tmpgr;
|
|
}
|
|
if (insert == 0) {
|
|
newtmp->next = NULL;
|
|
prevtmpgr->next = newtmp;
|
|
}
|
|
insert = 0;
|
|
}
|
|
}
|
|
|
|
uint32_t i = unique_groups;
|
|
if (i == 0) i = groups;
|
|
|
|
for (gr = tmplist; gr != NULL; ) {
|
|
if (i == 0) {
|
|
if (joingr == NULL) {
|
|
joingr = DetectAddressGroupInit();
|
|
if (joingr == NULL) {
|
|
goto error;
|
|
}
|
|
DetectAddressData *adtmp = DetectAddressDataCopy(gr->ad);
|
|
if (adtmp == NULL) {
|
|
goto error;
|
|
}
|
|
joingr->ad = adtmp;
|
|
joingr->cnt = gr->cnt;
|
|
|
|
SigGroupHeadCopySigs(de_ctx,gr->sh,&joingr->sh);
|
|
|
|
DetectPort *port = gr->port;
|
|
for ( ; port != NULL; port = port->next) {
|
|
DetectPortInsertCopy(de_ctx,&joingr->port, port);
|
|
}
|
|
} else {
|
|
DetectAddressGroupJoin(de_ctx, joingr, gr);
|
|
}
|
|
} else {
|
|
DetectAddressGroup *newtmp = DetectAddressGroupInit();
|
|
if (newtmp == NULL) {
|
|
goto error;
|
|
}
|
|
DetectAddressData *adtmp = DetectAddressDataCopy(gr->ad);
|
|
if (adtmp == NULL) {
|
|
goto error;
|
|
}
|
|
newtmp->ad = adtmp;
|
|
newtmp->cnt = gr->cnt;
|
|
|
|
SigGroupHeadCopySigs(de_ctx,gr->sh,&newtmp->sh);
|
|
|
|
DetectPort *port = gr->port;
|
|
for ( ; port != NULL; port = port->next) {
|
|
DetectPortInsertCopy(de_ctx,&newtmp->port, port);
|
|
}
|
|
|
|
if (tmplist2 == NULL) {
|
|
tmplist2 = newtmp;
|
|
} else {
|
|
newtmp->next = tmplist2;
|
|
tmplist2 = newtmp;
|
|
}
|
|
}
|
|
if (i)i--;
|
|
|
|
next_gr = gr->next;
|
|
DetectAddressGroupFree(gr);
|
|
gr = next_gr;
|
|
}
|
|
|
|
/* we now have a tmplist2 containing the 'unique' groups and
|
|
* possibly a joingr that covers the rest. Now build the newhead
|
|
* that we will pass back to the caller.
|
|
*
|
|
* Start with inserting the unique groups */
|
|
for (gr = tmplist2; gr != NULL; ) {
|
|
// printf(" 2 -= U Address "); DetectAddressDataPrint(gr->ad); printf(" : "); DbgPrintSigs2(gr->sh);
|
|
DetectAddressGroup *newtmp = DetectAddressGroupInit();
|
|
if (newtmp == NULL) {
|
|
goto error;
|
|
}
|
|
DetectAddressData *adtmp = DetectAddressDataCopy(gr->ad);
|
|
if (adtmp == NULL) {
|
|
goto error;
|
|
}
|
|
newtmp->ad = adtmp;
|
|
newtmp->cnt = gr->cnt;
|
|
|
|
SigGroupHeadCopySigs(de_ctx, gr->sh,&newtmp->sh);
|
|
|
|
DetectPort *port = gr->port;
|
|
for ( ; port != NULL; port = port->next) {
|
|
DetectPortInsertCopy(de_ctx, &newtmp->port, port);
|
|
}
|
|
|
|
DetectAddressGroupInsert(de_ctx, newhead, newtmp);
|
|
|
|
next_gr = gr->next;
|
|
// DetectAddressGroupFree(gr);
|
|
gr = next_gr;
|
|
}
|
|
/* if present, insert the joingr that covers the rest */
|
|
if (joingr != NULL) {
|
|
// printf(" 3 -= J Address "); DetectAddressDataPrint(joingr->ad); printf(" : "); DbgPrintSigs2(joingr->sh);
|
|
DetectAddressGroupInsert(de_ctx, newhead, joingr);
|
|
#if 0
|
|
/* mark the groups that are not unique */
|
|
DetectAddressGroup *ag = GetHeadPtr(newhead,family);
|
|
DetectAddressGroup *agr = NULL;
|
|
|
|
for (agr = ag; agr != NULL; agr = agr->next) {
|
|
DetectAddressGroup *sgr = tmplist2;
|
|
for ( ; sgr != NULL; sgr = sgr->next) {
|
|
int r = DetectAddressCmp(agr->ad,sgr->ad);
|
|
if (r == ADDRESS_ES || r == ADDRESS_EB) {
|
|
// printf("AGR "); DetectAddressDataPrint(agr->ad);printf(" -> ");
|
|
// printf(" sgr "); DetectAddressDataPrint(sgr->ad);printf("\n");
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if 0//def DEBUG
|
|
if (SCLogDebugEnabled()) {
|
|
for (gr = newhead->ipv4_head; gr != NULL; gr = gr->next) {
|
|
printf(" 4 -= R Address "); DetectAddressDataPrint(gr->ad); printf(" : "); DbgPrintSigs2(de_ctx, gr->sh);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
int CreateGroupedPortListCmpCnt(DetectPort *a, DetectPort *b) {
|
|
if (a->cnt > b->cnt)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int CreateGroupedPortListCmpMpmMaxlen(DetectPort *a, DetectPort *b) {
|
|
if (a->sh == NULL || b->sh == NULL)
|
|
return 0;
|
|
|
|
if (SMALL_MPM(a->sh->mpm_content_maxlen))
|
|
return 1;
|
|
|
|
if (a->sh->mpm_content_maxlen < b->sh->mpm_content_maxlen)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t g_groupportlist_maxgroups = 0;
|
|
static uint32_t g_groupportlist_groupscnt = 0;
|
|
static uint32_t g_groupportlist_totgroups = 0;
|
|
|
|
int CreateGroupedPortList(DetectEngineCtx *de_ctx,HashListTable *port_hash, DetectPort **newhead, uint32_t unique_groups, int (*CompareFunc)(DetectPort *, DetectPort *), uint32_t max_idx) {
|
|
DetectPort *tmplist = NULL, *tmplist2 = NULL, *joingr = NULL;
|
|
char insert = 0;
|
|
DetectPort *gr, *next_gr;
|
|
uint32_t groups = 0;
|
|
|
|
HashListTableBucket *htb = HashListTableGetListHead(port_hash);
|
|
|
|
/* insert the addresses into the tmplist, where it will
|
|
* be sorted descending on 'cnt'. */
|
|
for ( ; htb != NULL; htb = HashListTableGetListNext(htb)) {
|
|
gr = (DetectPort *)HashListTableGetListData(htb);
|
|
SigGroupHeadSetMpmMaxlen(de_ctx, gr->sh);
|
|
|
|
if (SMALL_MPM(gr->sh->mpm_content_maxlen) && unique_groups > 0)
|
|
unique_groups++;
|
|
|
|
groups++;
|
|
#if 0//def DEBUG
|
|
if (SCLogDebugEnabled()) {
|
|
printf(" -= 1:Port "); DetectPortPrint(gr); printf(" : "); DbgPrintSigs2(de_ctx, gr->sh);
|
|
}
|
|
#endif
|
|
/* alloc a copy */
|
|
DetectPort *newtmp = DetectPortCopySingle(de_ctx,gr);
|
|
if (newtmp == NULL) {
|
|
goto error;
|
|
}
|
|
|
|
/* insert it */
|
|
DetectPort *tmpgr = tmplist, *prevtmpgr = NULL;
|
|
if (tmplist == NULL) {
|
|
/* empty list, set head */
|
|
tmplist = newtmp;
|
|
} else {
|
|
/* look for the place to insert */
|
|
for ( ; tmpgr != NULL&&!insert; tmpgr = tmpgr->next) {
|
|
if (CompareFunc(gr, tmpgr)) {
|
|
//if (gr->cnt > tmpgr->cnt) {
|
|
if (tmpgr == tmplist) {
|
|
newtmp->next = tmplist;
|
|
tmplist = newtmp;
|
|
} else {
|
|
newtmp->next = prevtmpgr->next;
|
|
prevtmpgr->next = newtmp;
|
|
}
|
|
insert = 1;
|
|
}
|
|
prevtmpgr = tmpgr;
|
|
}
|
|
if (insert == 0) {
|
|
newtmp->next = NULL;
|
|
prevtmpgr->next = newtmp;
|
|
}
|
|
insert = 0;
|
|
}
|
|
}
|
|
|
|
uint32_t i = unique_groups;
|
|
if (i == 0) i = groups;
|
|
|
|
if (unique_groups > g_groupportlist_maxgroups)
|
|
g_groupportlist_maxgroups = unique_groups;
|
|
g_groupportlist_groupscnt++;
|
|
g_groupportlist_totgroups += unique_groups;
|
|
|
|
for (gr = tmplist; gr != NULL; ) {
|
|
if (i == 0) {
|
|
if (joingr == NULL) {
|
|
joingr = DetectPortCopySingle(de_ctx,gr);
|
|
if (joingr == NULL) {
|
|
goto error;
|
|
}
|
|
} else {
|
|
DetectPortJoin(de_ctx,joingr, gr);
|
|
}
|
|
} else {
|
|
DetectPort *newtmp = DetectPortCopySingle(de_ctx,gr);
|
|
if (newtmp == NULL) {
|
|
goto error;
|
|
}
|
|
|
|
if (tmplist2 == NULL) {
|
|
tmplist2 = newtmp;
|
|
} else {
|
|
newtmp->next = tmplist2;
|
|
tmplist2 = newtmp;
|
|
}
|
|
}
|
|
if (i)i--;
|
|
|
|
next_gr = gr->next;
|
|
DetectPortFree(gr);
|
|
gr = next_gr;
|
|
}
|
|
|
|
/* we now have a tmplist2 containing the 'unique' groups and
|
|
* possibly a joingr that covers the rest. Now build the newhead
|
|
* that we will pass back to the caller.
|
|
*
|
|
* Start with inserting the unique groups */
|
|
for (gr = tmplist2; gr != NULL; ) {
|
|
//printf(":-:7:-: Unique Port "); DetectPortPrint(gr); printf(" (cnt %" PRIu32 ", cost %" PRIu32 ") ", gr->cnt, gr->sh->cost); DbgSghContainsSig(de_ctx,gr->sh,2001330);
|
|
DetectPort *newtmp = DetectPortCopySingle(de_ctx,gr);
|
|
if (newtmp == NULL) {
|
|
goto error;
|
|
}
|
|
|
|
DetectPortInsert(de_ctx,newhead,newtmp);
|
|
|
|
next_gr = gr->next;
|
|
DetectPortFree(gr);
|
|
gr = next_gr;
|
|
}
|
|
/* if present, insert the joingr that covers the rest */
|
|
if (joingr != NULL) {
|
|
//printf(":-:8:-: Join Port "); DetectPortPrint(joingr); printf(" (cnt %" PRIu32 ", cost %" PRIu32 ") ", joingr->cnt, joingr->sh->cost); DbgSghContainsSig(de_ctx,joingr->sh,2001330);
|
|
DetectPortInsert(de_ctx,newhead,joingr);
|
|
}
|
|
|
|
#if 0//def DEBUG
|
|
if (SCLogDebugEnabled()) {
|
|
for (gr = *newhead; gr != NULL; gr = gr->next) {
|
|
//printf(":-:9:-: Port "); DetectPortPrint(gr); printf(" (cnt %" PRIu32 "", gr->cnt); DbgSghContainsSig(de_ctx,gr->sh,489);
|
|
printf(" -= 9:Port "); DetectPortPrint(gr); printf(" : "); DbgPrintSigs2(de_ctx, gr->sh);
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* \brief Fill the global src group head, with the sigs included
|
|
*
|
|
* \param de_ctx Pointer to the Detection Engine Context whose Signatures have
|
|
* to be processed
|
|
*
|
|
* \retval 0 On success
|
|
* \retval -1 On failure
|
|
*/
|
|
int SigAddressPrepareStage2(DetectEngineCtx *de_ctx) {
|
|
Signature *tmp_s = NULL;
|
|
DetectAddressGroup *gr = NULL;
|
|
uint32_t sigs = 0;
|
|
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("building signature grouping structure, stage 2: "
|
|
"building source address list...");
|
|
}
|
|
|
|
IPOnlyInit(de_ctx, &de_ctx->io_ctx);
|
|
|
|
int ds, f, proto;
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (proto = 0; proto < 256; proto++) {
|
|
de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto] = DetectAddressGroupsHeadInit();
|
|
if (de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto] == NULL) {
|
|
goto error;
|
|
}
|
|
de_ctx->dsize_gh[ds].flow_gh[f].tmp_gh[proto] = DetectAddressGroupsHeadInit();
|
|
if (de_ctx->dsize_gh[ds].flow_gh[f].tmp_gh[proto] == NULL) {
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* now for every rule add the source group to our temp lists */
|
|
for (tmp_s = de_ctx->sig_list; tmp_s != NULL; tmp_s = tmp_s->next) {
|
|
//printf("SigAddressPrepareStage2 tmp_s->id %u\n", tmp_s->id);
|
|
if (!(tmp_s->flags & SIG_FLAG_IPONLY)) {
|
|
DetectEngineLookupDsizeAddSig(de_ctx, tmp_s, AF_INET);
|
|
DetectEngineLookupDsizeAddSig(de_ctx, tmp_s, AF_INET6);
|
|
DetectEngineLookupDsizeAddSig(de_ctx, tmp_s, AF_UNSPEC);
|
|
} else {
|
|
IPOnlyAddSignature(de_ctx, &de_ctx->io_ctx, tmp_s);
|
|
}
|
|
|
|
sigs++;
|
|
}
|
|
|
|
/* create the final src addr list based on the tmplist. */
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (proto = 0; proto < 256; proto++) {
|
|
int groups = ds ? (f ? MAX_UNIQ_TOSERVER_SRC_GROUPS : MAX_UNIQ_TOCLIENT_SRC_GROUPS) :
|
|
(f ? MAX_UNIQ_SMALL_TOSERVER_SRC_GROUPS : MAX_UNIQ_SMALL_TOCLIENT_SRC_GROUPS);
|
|
|
|
CreateGroupedAddrList(de_ctx,
|
|
de_ctx->dsize_gh[ds].flow_gh[f].tmp_gh[proto]->ipv4_head, AF_INET,
|
|
de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto], groups,
|
|
CreateGroupedAddrListCmpMpmMaxlen, DetectEngineGetMaxSigId(de_ctx));
|
|
CreateGroupedAddrList(de_ctx,
|
|
de_ctx->dsize_gh[ds].flow_gh[f].tmp_gh[proto]->ipv6_head, AF_INET6,
|
|
de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto], groups,
|
|
CreateGroupedAddrListCmpMpmMaxlen, DetectEngineGetMaxSigId(de_ctx));
|
|
CreateGroupedAddrList(de_ctx,
|
|
de_ctx->dsize_gh[ds].flow_gh[f].tmp_gh[proto]->any_head, AF_UNSPEC,
|
|
de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto], groups,
|
|
CreateGroupedAddrListCmpMpmMaxlen, DetectEngineGetMaxSigId(de_ctx));
|
|
|
|
DetectAddressGroupsHeadFree(de_ctx->dsize_gh[ds].flow_gh[f].tmp_gh[proto]);
|
|
de_ctx->dsize_gh[ds].flow_gh[f].tmp_gh[proto] = NULL;
|
|
}
|
|
}
|
|
}
|
|
//DetectAddressGroupPrintMemory();
|
|
//DetectSigGroupPrintMemory();
|
|
|
|
//printf("g_src_gh strt\n");
|
|
//DetectAddressGroupPrintList(g_src_gh->ipv4_head);
|
|
//printf("g_src_gh end\n");
|
|
|
|
IPOnlyPrepare(de_ctx);
|
|
IPOnlyPrint(de_ctx, &de_ctx->io_ctx);
|
|
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("%" PRIu32 " total signatures:", sigs);
|
|
SCLogInfo("%"PRIu32" in ipv4 small group, %" PRIu32 " in rest", g_detectengine_ip4_small,g_detectengine_ip4_big);
|
|
SCLogInfo("%"PRIu32" in ipv6 small group, %" PRIu32 " in rest", g_detectengine_ip6_small,g_detectengine_ip6_big);
|
|
SCLogInfo("%"PRIu32" in any small group, %" PRIu32 " in rest", g_detectengine_any_small,g_detectengine_any_big);
|
|
SCLogInfo("small: %"PRIu32" in ipv4 toserver group, %" PRIu32 " in toclient",
|
|
g_detectengine_ip4_small_toserver,g_detectengine_ip4_small_toclient);
|
|
SCLogInfo("small: %"PRIu32" in ipv6 toserver group, %" PRIu32 " in toclient",
|
|
g_detectengine_ip6_small_toserver,g_detectengine_ip6_small_toclient);
|
|
SCLogInfo("small: %"PRIu32" in any toserver group, %" PRIu32 " in toclient",
|
|
g_detectengine_any_small_toserver,g_detectengine_any_small_toclient);
|
|
SCLogInfo("big: %"PRIu32" in ipv4 toserver group, %" PRIu32 " in toclient",
|
|
g_detectengine_ip4_big_toserver,g_detectengine_ip4_big_toclient);
|
|
SCLogInfo("big: %"PRIu32" in ipv6 toserver group, %" PRIu32 " in toclient",
|
|
g_detectengine_ip6_big_toserver,g_detectengine_ip6_big_toclient);
|
|
SCLogInfo("big: %"PRIu32" in any toserver group, %" PRIu32 " in toclient",
|
|
g_detectengine_any_big_toserver,g_detectengine_any_big_toclient);
|
|
}
|
|
|
|
/* TCP */
|
|
uint32_t cnt_any = 0, cnt_ipv4 = 0, cnt_ipv6 = 0;
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[6]->any_head; gr != NULL; gr = gr->next) {
|
|
cnt_any++;
|
|
}
|
|
}
|
|
}
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[6]->ipv4_head; gr != NULL; gr = gr->next) {
|
|
cnt_ipv4++;
|
|
}
|
|
}
|
|
}
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[6]->ipv6_head; gr != NULL; gr = gr->next) {
|
|
cnt_ipv6++;
|
|
}
|
|
}
|
|
}
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("TCP Source address blocks: any: %4u, ipv4: %4u, ipv6: %4u.", cnt_any, cnt_ipv4, cnt_ipv6);
|
|
}
|
|
|
|
cnt_any = 0, cnt_ipv4 = 0, cnt_ipv6 = 0;
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[17]->any_head; gr != NULL; gr = gr->next) {
|
|
cnt_any++;
|
|
}
|
|
}
|
|
}
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[17]->ipv4_head; gr != NULL; gr = gr->next) {
|
|
cnt_ipv4++;
|
|
}
|
|
}
|
|
}
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[17]->ipv6_head; gr != NULL; gr = gr->next) {
|
|
cnt_ipv6++;
|
|
}
|
|
}
|
|
}
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("UDP Source address blocks: any: %4u, ipv4: %4u, ipv6: %4u.", cnt_any, cnt_ipv4, cnt_ipv6);
|
|
}
|
|
|
|
cnt_any = 0, cnt_ipv4 = 0, cnt_ipv6 = 0;
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[1]->any_head; gr != NULL; gr = gr->next) {
|
|
cnt_any++;
|
|
}
|
|
}
|
|
}
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[1]->ipv4_head; gr != NULL; gr = gr->next) {
|
|
cnt_ipv4++;
|
|
}
|
|
}
|
|
}
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[1]->ipv6_head; gr != NULL; gr = gr->next) {
|
|
cnt_ipv6++;
|
|
}
|
|
}
|
|
}
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("ICMP Source address blocks: any: %4u, ipv4: %4u, ipv6: %4u.", cnt_any, cnt_ipv4, cnt_ipv6);
|
|
}
|
|
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("building signature grouping structure, stage 2: building source address list... done");
|
|
}
|
|
|
|
return 0;
|
|
error:
|
|
printf("SigAddressPrepareStage2 error\n");
|
|
return -1;
|
|
}
|
|
|
|
static int BuildDestinationAddressHeads(DetectEngineCtx *de_ctx, DetectAddressGroupsHead *head, int family, int dsize, int flow) {
|
|
Signature *tmp_s = NULL;
|
|
DetectAddressGroup *gr = NULL, *sgr = NULL, *lookup_gr = NULL;
|
|
uint32_t max_idx = 0;
|
|
|
|
DetectAddressGroup *grhead = NULL, *grdsthead = NULL, *grsighead = NULL;
|
|
|
|
/* based on the family, select the list we are using in the head */
|
|
grhead = GetHeadPtr(head,family);
|
|
|
|
/* loop through the global source address list */
|
|
for (gr = grhead; gr != NULL; gr = gr->next) {
|
|
//printf(" * Source group: "); DetectAddressDataPrint(gr->ad); printf("\n");
|
|
|
|
/* initialize the destination group head */
|
|
gr->dst_gh = DetectAddressGroupsHeadInit();
|
|
if (gr->dst_gh == NULL) {
|
|
goto error;
|
|
}
|
|
|
|
/* use a tmp list for speeding up insertions */
|
|
DetectAddressGroup *tmp_gr_list = NULL;
|
|
|
|
/* loop through all signatures in this source address group
|
|
* and build the temporary destination address list for it */
|
|
uint32_t sig;
|
|
for (sig = 0; sig < de_ctx->sig_array_len; sig++) {
|
|
if (!(gr->sh->sig_array[(sig/8)] & (1<<(sig%8))))
|
|
continue;
|
|
|
|
tmp_s = de_ctx->sig_array[sig];
|
|
if (tmp_s == NULL)
|
|
continue;
|
|
|
|
max_idx = sig;
|
|
|
|
/* build the temp list */
|
|
grsighead = GetHeadPtr(&tmp_s->dst, family);
|
|
for (sgr = grsighead; sgr != NULL; sgr = sgr->next) {
|
|
if ((lookup_gr = DetectAddressGroupLookup(tmp_gr_list,sgr->ad)) == NULL) {
|
|
DetectAddressGroup *grtmp = DetectAddressGroupInit();
|
|
if (grtmp == NULL) {
|
|
goto error;
|
|
}
|
|
DetectAddressData *adtmp = DetectAddressDataCopy(sgr->ad);
|
|
if (adtmp == NULL) {
|
|
goto error;
|
|
}
|
|
grtmp->ad = adtmp;
|
|
|
|
DetectAddressGroupAdd(&tmp_gr_list,grtmp);
|
|
|
|
SigGroupHeadAppendSig(de_ctx,&grtmp->sh,tmp_s);
|
|
grtmp->cnt = 1;
|
|
} else {
|
|
/* our group will only have one sig, this one. So add that. */
|
|
SigGroupHeadAppendSig(de_ctx,&lookup_gr->sh,tmp_s);
|
|
lookup_gr->cnt++;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/* Create the destination address list, keeping in
|
|
* mind the limits we use. */
|
|
int groups = dsize ? (flow ? MAX_UNIQ_TOSERVER_DST_GROUPS : MAX_UNIQ_TOCLIENT_DST_GROUPS) :
|
|
(flow ? MAX_UNIQ_SMALL_TOSERVER_DST_GROUPS : MAX_UNIQ_SMALL_TOCLIENT_DST_GROUPS);
|
|
CreateGroupedAddrList(de_ctx, tmp_gr_list, family, gr->dst_gh, groups, CreateGroupedAddrListCmpMpmMaxlen, max_idx);
|
|
|
|
/* see if the sig group head of each address group is the
|
|
* same as an earlier one. If it is, free our head and use
|
|
* a pointer to the earlier one. This saves _a lot_ of memory.
|
|
*/
|
|
grdsthead = GetHeadPtr(gr->dst_gh, family);
|
|
for (sgr = grdsthead; sgr != NULL; sgr = sgr->next) {
|
|
//printf(" * Destination group: "); DetectAddressDataPrint(sgr->ad); printf("\n");
|
|
|
|
/* Because a pattern matcher context uses quite some
|
|
* memory, we first check if we can reuse it from
|
|
* another group head. */
|
|
SigGroupHead *sgh = SigGroupHeadHashLookup(de_ctx, sgr->sh);
|
|
if (sgh == NULL) {
|
|
/* put the contents in our sig group head */
|
|
SigGroupHeadSetSigCnt(sgr->sh, max_idx);
|
|
SigGroupHeadBuildMatchArray(de_ctx,sgr->sh, max_idx);
|
|
|
|
/* content */
|
|
SigGroupHeadLoadContent(de_ctx, sgr->sh);
|
|
if (sgr->sh->content_size == 0) {
|
|
de_ctx->mpm_none++;
|
|
} else {
|
|
/* now have a look if we can reuse a mpm ctx */
|
|
SigGroupHead *mpmsh = SigGroupHeadMpmHashLookup(de_ctx, sgr->sh);
|
|
if (mpmsh == NULL) {
|
|
SigGroupHeadMpmHashAdd(de_ctx, sgr->sh);
|
|
|
|
de_ctx->mpm_unique++;
|
|
} else {
|
|
sgr->sh->mpm_ctx = mpmsh->mpm_ctx;
|
|
sgr->sh->flags |= SIG_GROUP_HEAD_MPM_COPY;
|
|
SigGroupHeadClearContent(sgr->sh);
|
|
|
|
de_ctx->mpm_reuse++;
|
|
}
|
|
}
|
|
|
|
/* uricontent */
|
|
SigGroupHeadLoadUricontent(de_ctx, sgr->sh);
|
|
if (sgr->sh->uri_content_size == 0) {
|
|
de_ctx->mpm_uri_none++;
|
|
} else {
|
|
/* now have a look if we can reuse a uri mpm ctx */
|
|
SigGroupHead *mpmsh = SigGroupHeadMpmUriHashLookup(de_ctx, sgr->sh);
|
|
if (mpmsh == NULL) {
|
|
SigGroupHeadMpmUriHashAdd(de_ctx, sgr->sh);
|
|
de_ctx->mpm_uri_unique++;
|
|
} else {
|
|
sgr->sh->mpm_uri_ctx = mpmsh->mpm_uri_ctx;
|
|
sgr->sh->flags |= SIG_GROUP_HEAD_MPM_URI_COPY;
|
|
SigGroupHeadClearUricontent(sgr->sh);
|
|
|
|
de_ctx->mpm_uri_reuse++;
|
|
}
|
|
}
|
|
|
|
/* init the pattern matcher, this will respect the copy
|
|
* setting */
|
|
if (PatternMatchPrepareGroup(de_ctx, sgr->sh) < 0) {
|
|
printf("PatternMatchPrepareGroup failed\n");
|
|
goto error;
|
|
}
|
|
if (sgr->sh->mpm_ctx != NULL) {
|
|
if (de_ctx->mpm_max_patcnt < sgr->sh->mpm_ctx->pattern_cnt)
|
|
de_ctx->mpm_max_patcnt = sgr->sh->mpm_ctx->pattern_cnt;
|
|
|
|
de_ctx->mpm_tot_patcnt += sgr->sh->mpm_ctx->pattern_cnt;
|
|
}
|
|
if (sgr->sh->mpm_uri_ctx != NULL) {
|
|
if (de_ctx->mpm_uri_max_patcnt < sgr->sh->mpm_uri_ctx->pattern_cnt)
|
|
de_ctx->mpm_uri_max_patcnt = sgr->sh->mpm_uri_ctx->pattern_cnt;
|
|
|
|
de_ctx->mpm_uri_tot_patcnt += sgr->sh->mpm_uri_ctx->pattern_cnt;
|
|
}
|
|
/* dbg */
|
|
if (!(sgr->sh->flags & SIG_GROUP_HEAD_MPM_COPY) && sgr->sh->mpm_ctx) {
|
|
de_ctx->mpm_memory_size += sgr->sh->mpm_ctx->memory_size;
|
|
}
|
|
if (!(sgr->sh->flags & SIG_GROUP_HEAD_MPM_URI_COPY) && sgr->sh->mpm_uri_ctx) {
|
|
de_ctx->mpm_memory_size += sgr->sh->mpm_uri_ctx->memory_size;
|
|
}
|
|
|
|
SigGroupHeadHashAdd(de_ctx, sgr->sh);
|
|
de_ctx->gh_unique++;
|
|
} else {
|
|
SigGroupHeadFree(sgr->sh);
|
|
sgr->sh = sgh;
|
|
|
|
de_ctx->gh_reuse++;
|
|
sgr->flags |= ADDRESS_GROUP_SIGGROUPHEAD_COPY;
|
|
}
|
|
}
|
|
|
|
/* free the temp list */
|
|
DetectAddressGroupCleanupList(tmp_gr_list);
|
|
/* clear now unneeded sig group head */
|
|
SigGroupHeadFree(gr->sh);
|
|
gr->sh = NULL;
|
|
}
|
|
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
static int BuildDestinationAddressHeadsWithBothPorts(DetectEngineCtx *de_ctx, DetectAddressGroupsHead *head, int family, int dsize, int flow) {
|
|
Signature *tmp_s = NULL;
|
|
DetectAddressGroup *src_gr = NULL, *dst_gr = NULL, *sig_gr = NULL, *lookup_gr = NULL;
|
|
DetectAddressGroup *src_gr_head = NULL, *dst_gr_head = NULL, *sig_gr_head = NULL;
|
|
uint32_t max_idx = 0;
|
|
|
|
/* loop through the global source address list */
|
|
src_gr_head = GetHeadPtr(head,family);
|
|
for (src_gr = src_gr_head; src_gr != NULL; src_gr = src_gr->next) {
|
|
//printf(" * Source group: "); DetectAddressDataPrint(src_gr->ad); printf("\n");
|
|
|
|
/* initialize the destination group head */
|
|
src_gr->dst_gh = DetectAddressGroupsHeadInit();
|
|
if (src_gr->dst_gh == NULL) {
|
|
goto error;
|
|
}
|
|
|
|
/* use a tmp list for speeding up insertions */
|
|
DetectAddressGroup *tmp_gr_list = NULL;
|
|
|
|
/* loop through all signatures in this source address group
|
|
* and build the temporary destination address list for it */
|
|
uint32_t sig;
|
|
for (sig = 0; sig < de_ctx->sig_array_len; sig++) {
|
|
if (!(src_gr->sh->sig_array[(sig/8)] & (1<<(sig%8))))
|
|
continue;
|
|
|
|
tmp_s = de_ctx->sig_array[sig];
|
|
if (tmp_s == NULL)
|
|
continue;
|
|
|
|
//printf(" * Source group: "); DetectAddressDataPrint(src_gr->ad); printf("\n");
|
|
|
|
max_idx = sig;
|
|
|
|
/* build the temp list */
|
|
sig_gr_head = GetHeadPtr(&tmp_s->dst,family);
|
|
for (sig_gr = sig_gr_head; sig_gr != NULL; sig_gr = sig_gr->next) {
|
|
//printf(" * Sig dst addr: "); DetectAddressDataPrint(sig_gr->ad); printf("\n");
|
|
|
|
if ((lookup_gr = DetectAddressGroupLookup(tmp_gr_list, sig_gr->ad)) == NULL) {
|
|
DetectAddressGroup *grtmp = DetectAddressGroupInit();
|
|
if (grtmp == NULL) {
|
|
goto error;
|
|
}
|
|
DetectAddressData *adtmp = DetectAddressDataCopy(sig_gr->ad);
|
|
if (adtmp == NULL) {
|
|
goto error;
|
|
}
|
|
grtmp->ad = adtmp;
|
|
SigGroupHeadAppendSig(de_ctx, &grtmp->sh, tmp_s);
|
|
grtmp->cnt = 1;
|
|
|
|
DetectAddressGroupAdd(&tmp_gr_list,grtmp);
|
|
} else {
|
|
/* our group will only have one sig, this one. So add that. */
|
|
SigGroupHeadAppendSig(de_ctx, &lookup_gr->sh, tmp_s);
|
|
lookup_gr->cnt++;
|
|
}
|
|
|
|
SigGroupHeadFree(sig_gr->sh);
|
|
sig_gr->sh = NULL;
|
|
}
|
|
}
|
|
|
|
/* Create the destination address list, keeping in
|
|
* mind the limits we use. */
|
|
int groups = dsize ? (flow ? MAX_UNIQ_TOSERVER_DST_GROUPS : MAX_UNIQ_TOCLIENT_DST_GROUPS) :
|
|
(flow ? MAX_UNIQ_SMALL_TOSERVER_DST_GROUPS : MAX_UNIQ_SMALL_TOCLIENT_DST_GROUPS);
|
|
CreateGroupedAddrList(de_ctx, tmp_gr_list, family, src_gr->dst_gh, groups, CreateGroupedAddrListCmpMpmMaxlen, max_idx);
|
|
|
|
/* add the ports to the dst address groups and the sigs
|
|
* to the ports */
|
|
dst_gr_head = GetHeadPtr(src_gr->dst_gh,family);
|
|
for (dst_gr = dst_gr_head; dst_gr != NULL; dst_gr = dst_gr->next) {
|
|
//printf(" * Destination group: "); DetectAddressDataPrint(dst_gr->ad); printf("\n");
|
|
|
|
if (dst_gr->sh == NULL)
|
|
continue;
|
|
|
|
/* we will reuse address sig group heads at this points,
|
|
* because if the sigs are the same, the ports will be
|
|
* the same. Saves memory and a lot of init time. */
|
|
SigGroupHead *lookup_sgh = SigGroupHeadHashLookup(de_ctx, dst_gr->sh);
|
|
if (lookup_sgh == NULL) {
|
|
DetectPortSpHashReset(de_ctx);
|
|
|
|
uint32_t sig2;
|
|
for (sig2 = 0; sig2 < max_idx+1; sig2++) {
|
|
if (!(dst_gr->sh->sig_array[(sig2/8)] & (1<<(sig2%8))))
|
|
continue;
|
|
|
|
Signature *s = de_ctx->sig_array[sig2];
|
|
if (s == NULL)
|
|
continue;
|
|
|
|
//printf(" + Destination group (grouped): "); DetectAddressDataPrint(dst_gr->ad); printf("\n");
|
|
|
|
DetectPort *sdp = s->sp;
|
|
for ( ; sdp != NULL; sdp = sdp->next) {
|
|
DetectPort *lookup_port = DetectPortSpHashLookup(de_ctx, sdp);
|
|
if (lookup_port == NULL) {
|
|
DetectPort *port = DetectPortCopySingle(de_ctx,sdp);
|
|
if (port == NULL)
|
|
goto error;
|
|
|
|
SigGroupHeadAppendSig(de_ctx, &port->sh, s);
|
|
DetectPortSpHashAdd(de_ctx, port);
|
|
port->cnt = 1;
|
|
} else {
|
|
SigGroupHeadAppendSig(de_ctx, &lookup_port->sh, s);
|
|
lookup_port->cnt++;
|
|
}
|
|
}
|
|
}
|
|
|
|
int spgroups = dsize ? (flow ? MAX_UNIQ_TOSERVER_SP_GROUPS : MAX_UNIQ_TOCLIENT_SP_GROUPS) :
|
|
(flow ? MAX_UNIQ_SMALL_TOSERVER_SP_GROUPS : MAX_UNIQ_SMALL_TOCLIENT_SP_GROUPS);
|
|
CreateGroupedPortList(de_ctx, de_ctx->sport_hash_table, &dst_gr->port, spgroups, CreateGroupedPortListCmpMpmMaxlen, max_idx);
|
|
dst_gr->flags |= ADDRESS_GROUP_HAVEPORT;
|
|
|
|
SigGroupHeadHashAdd(de_ctx, dst_gr->sh);
|
|
|
|
dst_gr->sh->port = dst_gr->port;
|
|
/* mark this head for deletion once we no longer need
|
|
* the hash. We're only using the port ptr, so no problem
|
|
* when we remove this after initialization is done */
|
|
dst_gr->sh->flags |= SIG_GROUP_HEAD_FREE;
|
|
|
|
/* for each destination port we setup the siggrouphead here */
|
|
DetectPort *sp = dst_gr->port;
|
|
for ( ; sp != NULL; sp = sp->next) {
|
|
//printf(" * Src Port(range): "); DetectPortPrint(sp); printf("\n");
|
|
|
|
if (sp->sh == NULL)
|
|
continue;
|
|
|
|
/* we will reuse address sig group heads at this points,
|
|
* because if the sigs are the same, the ports will be
|
|
* the same. Saves memory and a lot of init time. */
|
|
SigGroupHead *lookup_sp_sgh = SigGroupHeadSPortHashLookup(de_ctx, sp->sh);
|
|
if (lookup_sp_sgh == NULL) {
|
|
DetectPortDpHashReset(de_ctx);
|
|
uint32_t sig2;
|
|
for (sig2 = 0; sig2 < max_idx+1; sig2++) {
|
|
if (!(sp->sh->sig_array[(sig2/8)] & (1<<(sig2%8))))
|
|
continue;
|
|
|
|
Signature *s = de_ctx->sig_array[sig2];
|
|
if (s == NULL)
|
|
continue;
|
|
|
|
DetectPort *sdp = s->dp;
|
|
for ( ; sdp != NULL; sdp = sdp->next) {
|
|
DetectPort *lookup_port = DetectPortDpHashLookup(de_ctx,sdp);
|
|
if (lookup_port == NULL) {
|
|
DetectPort *port = DetectPortCopySingle(de_ctx,sdp);
|
|
if (port == NULL)
|
|
goto error;
|
|
|
|
SigGroupHeadAppendSig(de_ctx, &port->sh, s);
|
|
DetectPortDpHashAdd(de_ctx,port);
|
|
port->cnt = 1;
|
|
} else {
|
|
SigGroupHeadAppendSig(de_ctx, &lookup_port->sh, s);
|
|
lookup_port->cnt++;
|
|
}
|
|
}
|
|
}
|
|
|
|
int dpgroups = dsize ? (flow ? MAX_UNIQ_TOSERVER_DP_GROUPS : MAX_UNIQ_TOCLIENT_DP_GROUPS) :
|
|
(flow ? MAX_UNIQ_SMALL_TOSERVER_DP_GROUPS : MAX_UNIQ_SMALL_TOCLIENT_DP_GROUPS);
|
|
CreateGroupedPortList(de_ctx, de_ctx->dport_hash_table,
|
|
&sp->dst_ph, dpgroups,
|
|
CreateGroupedPortListCmpMpmMaxlen, max_idx);
|
|
|
|
SigGroupHeadSPortHashAdd(de_ctx, sp->sh);
|
|
|
|
sp->sh->port = sp->dst_ph;
|
|
/* mark this head for deletion once we no longer need
|
|
* the hash. We're only using the port ptr, so no problem
|
|
* when we remove this after initialization is done */
|
|
sp->sh->flags |= SIG_GROUP_HEAD_FREE;
|
|
|
|
/* for each destination port we setup the siggrouphead here */
|
|
DetectPort *dp = sp->dst_ph;
|
|
for ( ; dp != NULL; dp = dp->next) {
|
|
//printf(" * Dst Port(range): "); DetectPortPrint(dp); printf(" ");
|
|
//printf("\n");
|
|
|
|
if (dp->sh == NULL)
|
|
continue;
|
|
|
|
/* Because a pattern matcher context uses quite some
|
|
* memory, we first check if we can reuse it from
|
|
* another group head. */
|
|
SigGroupHead *lookup_dp_sgh = SigGroupHeadDPortHashLookup(de_ctx, dp->sh);
|
|
if (lookup_dp_sgh == NULL) {
|
|
SigGroupHeadSetSigCnt(dp->sh, max_idx);
|
|
SigGroupHeadBuildMatchArray(de_ctx,dp->sh, max_idx);
|
|
|
|
SigGroupHeadLoadContent(de_ctx, dp->sh);
|
|
if (dp->sh->content_size == 0) {
|
|
de_ctx->mpm_none++;
|
|
} else {
|
|
/* now have a look if we can reuse a mpm ctx */
|
|
SigGroupHead *mpmsh = SigGroupHeadMpmHashLookup(de_ctx, dp->sh);
|
|
if (mpmsh == NULL) {
|
|
SigGroupHeadMpmHashAdd(de_ctx, dp->sh);
|
|
|
|
de_ctx->mpm_unique++;
|
|
} else {
|
|
/* XXX write dedicated function for this */
|
|
dp->sh->mpm_ctx = mpmsh->mpm_ctx;
|
|
dp->sh->mpm_content_maxlen = mpmsh->mpm_content_maxlen;
|
|
dp->sh->flags |= SIG_GROUP_HEAD_MPM_COPY;
|
|
SigGroupHeadClearContent(dp->sh);
|
|
|
|
de_ctx->mpm_reuse++;
|
|
}
|
|
}
|
|
|
|
SigGroupHeadLoadUricontent(de_ctx, dp->sh);
|
|
if (dp->sh->uri_content_size == 0) {
|
|
de_ctx->mpm_uri_none++;
|
|
} else {
|
|
/* now have a look if we can reuse a uri mpm ctx */
|
|
SigGroupHead *mpmsh = SigGroupHeadMpmUriHashLookup(de_ctx, dp->sh);
|
|
if (mpmsh == NULL) {
|
|
SigGroupHeadMpmUriHashAdd(de_ctx, dp->sh);
|
|
|
|
de_ctx->mpm_uri_unique++;
|
|
} else {
|
|
dp->sh->mpm_uri_ctx = mpmsh->mpm_uri_ctx;
|
|
dp->sh->flags |= SIG_GROUP_HEAD_MPM_URI_COPY;
|
|
SigGroupHeadClearUricontent(dp->sh);
|
|
|
|
de_ctx->mpm_uri_reuse++;
|
|
}
|
|
}
|
|
|
|
/* init the pattern matcher, this will respect the copy
|
|
* setting */
|
|
if (PatternMatchPrepareGroup(de_ctx, dp->sh) < 0) {
|
|
printf("PatternMatchPrepareGroup failed\n");
|
|
goto error;
|
|
}
|
|
if (dp->sh->mpm_ctx != NULL) {
|
|
if (de_ctx->mpm_max_patcnt < dp->sh->mpm_ctx->pattern_cnt)
|
|
de_ctx->mpm_max_patcnt = dp->sh->mpm_ctx->pattern_cnt;
|
|
|
|
de_ctx->mpm_tot_patcnt += dp->sh->mpm_ctx->pattern_cnt;
|
|
}
|
|
if (dp->sh->mpm_uri_ctx != NULL) {
|
|
if (de_ctx->mpm_uri_max_patcnt < dp->sh->mpm_uri_ctx->pattern_cnt)
|
|
de_ctx->mpm_uri_max_patcnt = dp->sh->mpm_uri_ctx->pattern_cnt;
|
|
|
|
de_ctx->mpm_uri_tot_patcnt += dp->sh->mpm_uri_ctx->pattern_cnt;
|
|
}
|
|
/* dbg */
|
|
if (!(dp->sh->flags & SIG_GROUP_HEAD_MPM_COPY) && dp->sh->mpm_ctx) {
|
|
de_ctx->mpm_memory_size += dp->sh->mpm_ctx->memory_size;
|
|
}
|
|
if (!(dp->sh->flags & SIG_GROUP_HEAD_MPM_URI_COPY) && dp->sh->mpm_uri_ctx) {
|
|
de_ctx->mpm_memory_size += dp->sh->mpm_uri_ctx->memory_size;
|
|
}
|
|
|
|
SigGroupHeadDPortHashAdd(de_ctx, dp->sh);
|
|
de_ctx->gh_unique++;
|
|
} else {
|
|
SigGroupHeadFree(dp->sh);
|
|
|
|
dp->sh = lookup_dp_sgh;
|
|
dp->flags |= PORT_SIGGROUPHEAD_COPY;
|
|
|
|
de_ctx->gh_reuse++;
|
|
}
|
|
}
|
|
/* sig group head found in hash, free it and use the hashed one */
|
|
} else {
|
|
SigGroupHeadFree(sp->sh);
|
|
|
|
sp->sh = lookup_sp_sgh;
|
|
sp->flags |= PORT_SIGGROUPHEAD_COPY;
|
|
|
|
sp->dst_ph = lookup_sp_sgh->port;
|
|
sp->flags |= PORT_GROUP_PORTS_COPY;
|
|
|
|
de_ctx->gh_reuse++;
|
|
}
|
|
}
|
|
} else {
|
|
SigGroupHeadFree(dst_gr->sh);
|
|
|
|
dst_gr->sh = lookup_sgh;
|
|
dst_gr->flags |= ADDRESS_GROUP_SIGGROUPHEAD_COPY;
|
|
|
|
dst_gr->port = lookup_sgh->port;
|
|
dst_gr->flags |= PORT_GROUP_PORTS_COPY;
|
|
|
|
de_ctx->gh_reuse++;
|
|
}
|
|
}
|
|
/* free the temp list */
|
|
DetectAddressGroupCleanupList(tmp_gr_list);
|
|
/* clear now unneeded sig group head */
|
|
SigGroupHeadFree(src_gr->sh);
|
|
src_gr->sh = NULL;
|
|
}
|
|
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
int SigAddressPrepareStage3(DetectEngineCtx *de_ctx) {
|
|
int r;
|
|
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("building signature grouping structure, stage 3: "
|
|
"building destination address lists...");
|
|
}
|
|
//DetectAddressGroupPrintMemory();
|
|
//DetectSigGroupPrintMemory();
|
|
//DetectPortPrintMemory();
|
|
|
|
int ds, f, proto;
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
r = BuildDestinationAddressHeadsWithBothPorts(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[6],AF_INET,ds,f);
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[6],AF_INET) failed\n");
|
|
goto error;
|
|
}
|
|
r = BuildDestinationAddressHeadsWithBothPorts(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[17],AF_INET,ds,f);
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[17],AF_INET) failed\n");
|
|
goto error;
|
|
}
|
|
r = BuildDestinationAddressHeadsWithBothPorts(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[6],AF_INET6,ds,f);
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[6],AF_INET) failed\n");
|
|
goto error;
|
|
}
|
|
r = BuildDestinationAddressHeadsWithBothPorts(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[17],AF_INET6,ds,f);
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[17],AF_INET) failed\n");
|
|
goto error;
|
|
}
|
|
r = BuildDestinationAddressHeadsWithBothPorts(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[6],AF_UNSPEC,ds,f);
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[6],AF_INET) failed\n");
|
|
goto error;
|
|
}
|
|
r = BuildDestinationAddressHeadsWithBothPorts(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[17],AF_UNSPEC,ds,f);
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[17],AF_INET) failed\n");
|
|
goto error;
|
|
}
|
|
|
|
for (proto = 0; proto < 256; proto++) {
|
|
if (proto == IPPROTO_TCP || proto == IPPROTO_UDP)
|
|
continue;
|
|
|
|
r = BuildDestinationAddressHeads(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto],AF_INET,ds,f);
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[%" PRId32 "],AF_INET) failed\n", proto);
|
|
goto error;
|
|
}
|
|
r = BuildDestinationAddressHeads(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto],AF_INET6,ds,f);
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[%" PRId32 "],AF_INET6) failed\n", proto);
|
|
goto error;
|
|
}
|
|
r = BuildDestinationAddressHeads(de_ctx, de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto],AF_UNSPEC,ds,f); /* for any */
|
|
if (r < 0) {
|
|
printf ("BuildDestinationAddressHeads(src_gh[%" PRId32 "],AF_UNSPEC) failed\n", proto);
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* cleanup group head (uri)content_array's */
|
|
SigGroupHeadFreeMpmArrays(de_ctx);
|
|
/* cleanup group head sig arrays */
|
|
SigGroupHeadFreeSigArrays(de_ctx);
|
|
/* cleanup heads left over in *WithPorts */
|
|
/* XXX VJ breaks SigGroupCleanup */
|
|
//SigGroupHeadFreeHeads();
|
|
|
|
/* cleanup the hashes now since we won't need them
|
|
* after the initialization phase. */
|
|
SigGroupHeadHashFree(de_ctx);
|
|
SigGroupHeadDPortHashFree(de_ctx);
|
|
SigGroupHeadSPortHashFree(de_ctx);
|
|
SigGroupHeadMpmHashFree(de_ctx);
|
|
SigGroupHeadMpmUriHashFree(de_ctx);
|
|
DetectPortDpHashFree(de_ctx);
|
|
DetectPortSpHashFree(de_ctx);
|
|
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("MPM memory %" PRIuMAX " (dynamic %" PRIu32 ", ctxs %" PRIuMAX ", avg per ctx %" PRIu32 ")",
|
|
de_ctx->mpm_memory_size + ((de_ctx->mpm_unique + de_ctx->mpm_uri_unique) * (uintmax_t)sizeof(MpmCtx)),
|
|
de_ctx->mpm_memory_size, ((de_ctx->mpm_unique + de_ctx->mpm_uri_unique) * (uintmax_t)sizeof(MpmCtx)),
|
|
de_ctx->mpm_unique ? de_ctx->mpm_memory_size / de_ctx->mpm_unique: 0);
|
|
|
|
SCLogInfo("max sig id %" PRIu32 ", array size %" PRIu32 "", DetectEngineGetMaxSigId(de_ctx), DetectEngineGetMaxSigId(de_ctx) / 8 + 1);
|
|
SCLogInfo("signature group heads: unique %" PRIu32 ", copies %" PRIu32 ".", de_ctx->gh_unique, de_ctx->gh_reuse);
|
|
SCLogInfo("MPM instances: %" PRIu32 " unique, copies %" PRIu32 " (none %" PRIu32 ").",
|
|
de_ctx->mpm_unique, de_ctx->mpm_reuse, de_ctx->mpm_none);
|
|
SCLogInfo("MPM (URI) instances: %" PRIu32 " unique, copies %" PRIu32 " (none %" PRIu32 ").",
|
|
de_ctx->mpm_uri_unique, de_ctx->mpm_uri_reuse, de_ctx->mpm_uri_none);
|
|
SCLogInfo("MPM max patcnt %" PRIu32 ", avg %" PRIu32 "", de_ctx->mpm_max_patcnt, de_ctx->mpm_unique?de_ctx->mpm_tot_patcnt/de_ctx->mpm_unique:0);
|
|
if (de_ctx->mpm_uri_tot_patcnt && de_ctx->mpm_uri_unique)
|
|
SCLogInfo("MPM (URI) max patcnt %" PRIu32 ", avg %" PRIu32 " (%" PRIu32 "/%" PRIu32 ")", de_ctx->mpm_uri_max_patcnt, de_ctx->mpm_uri_tot_patcnt/de_ctx->mpm_uri_unique, de_ctx->mpm_uri_tot_patcnt, de_ctx->mpm_uri_unique);
|
|
SCLogInfo("port maxgroups: %" PRIu32 ", avg %" PRIu32 ", tot %" PRIu32 "", g_groupportlist_maxgroups, g_groupportlist_totgroups/g_groupportlist_groupscnt, g_groupportlist_totgroups);
|
|
SCLogInfo("building signature grouping structure, stage 3: building destination address lists... done");
|
|
}
|
|
return 0;
|
|
error:
|
|
printf("SigAddressPrepareStage3 error\n");
|
|
return -1;
|
|
}
|
|
|
|
int SigAddressCleanupStage1(DetectEngineCtx *de_ctx) {
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("cleaning up signature grouping structure...");
|
|
}
|
|
|
|
int ds, f, proto;
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (proto = 0; proto < 256; proto++) {
|
|
/* XXX fix this */
|
|
DetectAddressGroupsHeadFree(de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto]);
|
|
de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
IPOnlyDeinit(de_ctx, &de_ctx->io_ctx);
|
|
|
|
if (!(de_ctx->flags & DE_QUIET)) {
|
|
SCLogInfo("cleaning up signature grouping structure... done");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void DbgPrintSigs(DetectEngineCtx *de_ctx, SigGroupHead *sgh) {
|
|
if (sgh == NULL) {
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
uint32_t sig;
|
|
for (sig = 0; sig < sgh->sig_cnt; sig++) {
|
|
printf("%" PRIu32 " ", de_ctx->sig_array[sgh->match_array[sig]]->id);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
void DbgPrintSigs2(DetectEngineCtx *de_ctx, SigGroupHead *sgh) {
|
|
if (sgh == NULL) {
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
uint32_t sig;
|
|
for (sig = 0; sig < DetectEngineGetMaxSigId(de_ctx); sig++) {
|
|
if (sgh->sig_array[(sig/8)] & (1<<(sig%8))) {
|
|
printf("%" PRIu32 " ", de_ctx->sig_array[sig]->id);
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
void DbgSghContainsSig(DetectEngineCtx *de_ctx, SigGroupHead *sgh, uint32_t sid) {
|
|
if (sgh == NULL) {
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
uint32_t sig;
|
|
for (sig = 0; sig < DetectEngineGetMaxSigId(de_ctx); sig++) {
|
|
if (!(sgh->sig_array[(sig/8)] & (1<<(sig%8))))
|
|
continue;
|
|
|
|
Signature *s = de_ctx->sig_array[sig];
|
|
if (s == NULL)
|
|
continue;
|
|
|
|
if (sid == s->id) {
|
|
printf("%" PRIu32 " ", de_ctx->sig_array[sig]->id);
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
/* shortcut for debugging. If enabled Stage5 will
|
|
* print sigid's for all groups */
|
|
#define PRINTSIGS
|
|
|
|
/* just printing */
|
|
int SigAddressPrepareStage5(DetectEngineCtx *de_ctx) {
|
|
DetectAddressGroupsHead *global_dst_gh = NULL;
|
|
DetectAddressGroup *global_src_gr = NULL, *global_dst_gr = NULL;
|
|
int i;
|
|
|
|
printf("* Building signature grouping structure, stage 5: print...\n");
|
|
|
|
int ds, f, proto;
|
|
for (ds = 0; ds < DSIZE_STATES; ds++) {
|
|
for (f = 0; f < FLOW_STATES; f++) {
|
|
for (proto = 0; proto < 256; proto++) {
|
|
if (proto != 6)
|
|
continue;
|
|
|
|
for (global_src_gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto]->ipv4_head; global_src_gr != NULL;
|
|
global_src_gr = global_src_gr->next)
|
|
{
|
|
printf("1 Src Addr: "); DetectAddressDataPrint(global_src_gr->ad);
|
|
//printf(" (sh %p)\n", global_src_gr->sh);
|
|
printf("\n");
|
|
|
|
global_dst_gh = global_src_gr->dst_gh;
|
|
if (global_dst_gh == NULL)
|
|
continue;
|
|
|
|
for (global_dst_gr = global_dst_gh->ipv4_head;
|
|
global_dst_gr != NULL;
|
|
global_dst_gr = global_dst_gr->next)
|
|
{
|
|
printf(" 2 Dst Addr: "); DetectAddressDataPrint(global_dst_gr->ad);
|
|
//printf(" (sh %p) ", global_dst_gr->sh);
|
|
if (global_dst_gr->sh) {
|
|
if (global_dst_gr->sh->flags & ADDRESS_GROUP_SIGGROUPHEAD_COPY) {
|
|
printf("(COPY)\n");
|
|
} else {
|
|
printf("\n");
|
|
}
|
|
}
|
|
DetectPort *sp = global_dst_gr->port;
|
|
for ( ; sp != NULL; sp = sp->next) {
|
|
printf(" 3 Src port(range): "); DetectPortPrint(sp);
|
|
//printf(" (sh %p)", sp->sh);
|
|
printf("\n");
|
|
DetectPort *dp = sp->dst_ph;
|
|
for ( ; dp != NULL; dp = dp->next) {
|
|
printf(" 4 Dst port(range): "); DetectPortPrint(dp);
|
|
printf(" (sigs %" PRIu32 ", maxlen %" PRIu32 ")", dp->sh->sig_cnt, dp->sh->mpm_content_maxlen);
|
|
#ifdef PRINTSIGS
|
|
printf(" - ");
|
|
for (i = 0; i < dp->sh->sig_cnt; i++) {
|
|
Signature *s = de_ctx->sig_array[dp->sh->match_array[i]];
|
|
printf("%" PRIu32 " ", s->id);
|
|
}
|
|
#endif
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
for (global_dst_gr = global_dst_gh->any_head;
|
|
global_dst_gr != NULL;
|
|
global_dst_gr = global_dst_gr->next)
|
|
{
|
|
printf(" - "); DetectAddressDataPrint(global_dst_gr->ad);
|
|
//printf(" (sh %p) ", global_dst_gr->sh);
|
|
if (global_dst_gr->sh) {
|
|
if (global_dst_gr->sh->flags & ADDRESS_GROUP_SIGGROUPHEAD_COPY) {
|
|
printf("(COPY)\n");
|
|
} else {
|
|
printf("\n");
|
|
}
|
|
}
|
|
DetectPort *sp = global_dst_gr->port;
|
|
for ( ; sp != NULL; sp = sp->next) {
|
|
printf(" * Src port(range): "); DetectPortPrint(sp); printf("\n");
|
|
DetectPort *dp = sp->dst_ph;
|
|
for ( ; dp != NULL; dp = dp->next) {
|
|
printf(" * Dst port(range): "); DetectPortPrint(dp);
|
|
printf(" (sigs %" PRIu32 ")", dp->sh->sig_cnt);
|
|
#ifdef PRINTSIGS
|
|
printf(" - ");
|
|
for (i = 0; i < dp->sh->sig_cnt; i++) {
|
|
Signature *s = de_ctx->sig_array[dp->sh->match_array[i]];
|
|
printf("%" PRIu32 " ", s->id);
|
|
}
|
|
#endif
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//#if 0
|
|
for (global_src_gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto]->ipv6_head; global_src_gr != NULL;
|
|
global_src_gr = global_src_gr->next)
|
|
{
|
|
printf("- "); DetectAddressDataPrint(global_src_gr->ad);
|
|
//printf(" (sh %p)\n", global_src_gr->sh);
|
|
|
|
global_dst_gh = global_src_gr->dst_gh;
|
|
if (global_dst_gh == NULL)
|
|
continue;
|
|
|
|
for (global_dst_gr = global_dst_gh->ipv6_head;
|
|
global_dst_gr != NULL;
|
|
global_dst_gr = global_dst_gr->next)
|
|
{
|
|
printf(" - "); DetectAddressDataPrint(global_dst_gr->ad);
|
|
//printf(" (sh %p) ", global_dst_gr->sh);
|
|
if (global_dst_gr->sh) {
|
|
if (global_dst_gr->sh->flags & ADDRESS_GROUP_SIGGROUPHEAD_COPY) {
|
|
printf("(COPY)\n");
|
|
} else {
|
|
printf("\n");
|
|
}
|
|
}
|
|
DetectPort *sp = global_dst_gr->port;
|
|
for ( ; sp != NULL; sp = sp->next) {
|
|
printf(" * Src port(range): "); DetectPortPrint(sp); printf("\n");
|
|
DetectPort *dp = sp->dst_ph;
|
|
for ( ; dp != NULL; dp = dp->next) {
|
|
printf(" * Dst port(range): "); DetectPortPrint(dp);
|
|
printf(" (sigs %" PRIu32 ")", dp->sh->sig_cnt);
|
|
#ifdef PRINTSIGS
|
|
printf(" - ");
|
|
for (i = 0; i < dp->sh->sig_cnt; i++) {
|
|
Signature *s = de_ctx->sig_array[dp->sh->match_array[i]];
|
|
printf("%" PRIu32 " ", s->id);
|
|
}
|
|
#endif
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
for (global_dst_gr = global_dst_gh->any_head;
|
|
global_dst_gr != NULL;
|
|
global_dst_gr = global_dst_gr->next)
|
|
{
|
|
printf(" - "); DetectAddressDataPrint(global_dst_gr->ad);
|
|
//printf(" (sh %p) ", global_dst_gr->sh);
|
|
if (global_dst_gr->sh) {
|
|
if (global_dst_gr->sh->flags & ADDRESS_GROUP_SIGGROUPHEAD_COPY) {
|
|
printf("(COPY)\n");
|
|
} else {
|
|
printf("\n");
|
|
}
|
|
}
|
|
DetectPort *sp = global_dst_gr->port;
|
|
for ( ; sp != NULL; sp = sp->next) {
|
|
printf(" * Src port(range): "); DetectPortPrint(sp); printf("\n");
|
|
DetectPort *dp = sp->dst_ph;
|
|
for ( ; dp != NULL; dp = dp->next) {
|
|
printf(" * Dst port(range): "); DetectPortPrint(dp);
|
|
printf(" (sigs %" PRIu32 ")", dp->sh->sig_cnt);
|
|
#ifdef PRINTSIGS
|
|
printf(" - ");
|
|
for (i = 0; i < dp->sh->sig_cnt; i++) {
|
|
Signature *s = de_ctx->sig_array[dp->sh->match_array[i]];
|
|
printf("%" PRIu32 " ", s->id);
|
|
}
|
|
#endif
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (global_src_gr = de_ctx->dsize_gh[ds].flow_gh[f].src_gh[proto]->any_head; global_src_gr != NULL;
|
|
global_src_gr = global_src_gr->next)
|
|
{
|
|
printf("- "); DetectAddressDataPrint(global_src_gr->ad);
|
|
//printf(" (sh %p)\n", global_src_gr->sh);
|
|
|
|
global_dst_gh = global_src_gr->dst_gh;
|
|
if (global_dst_gh == NULL)
|
|
continue;
|
|
|
|
for (global_dst_gr = global_dst_gh->any_head;
|
|
global_dst_gr != NULL;
|
|
global_dst_gr = global_dst_gr->next)
|
|
{
|
|
printf(" - "); DetectAddressDataPrint(global_dst_gr->ad);
|
|
//printf(" (sh %p) ", global_dst_gr->sh);
|
|
if (global_dst_gr->sh) {
|
|
if (global_dst_gr->sh->flags & ADDRESS_GROUP_SIGGROUPHEAD_COPY) {
|
|
printf("(COPY)\n");
|
|
} else {
|
|
printf("\n");
|
|
}
|
|
}
|
|
DetectPort *sp = global_dst_gr->port;
|
|
for ( ; sp != NULL; sp = sp->next) {
|
|
printf(" * Src port(range): "); DetectPortPrint(sp); printf("\n");
|
|
DetectPort *dp = sp->dst_ph;
|
|
for ( ; dp != NULL; dp = dp->next) {
|
|
printf(" * Dst port(range): "); DetectPortPrint(dp);
|
|
printf(" (sigs %" PRIu32 ")", dp->sh->sig_cnt);
|
|
#ifdef PRINTSIGS
|
|
printf(" - ");
|
|
for (i = 0; i < dp->sh->sig_cnt; i++) {
|
|
Signature *s = de_ctx->sig_array[dp->sh->match_array[i]];
|
|
printf("%" PRIu32 " ", s->id);
|
|
}
|
|
#endif
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
for (global_dst_gr = global_dst_gh->ipv4_head;
|
|
global_dst_gr != NULL;
|
|
global_dst_gr = global_dst_gr->next)
|
|
{
|
|
printf(" - "); DetectAddressDataPrint(global_dst_gr->ad);
|
|
//printf(" (sh %p) ", global_dst_gr->sh);
|
|
if (global_dst_gr->sh) {
|
|
if (global_dst_gr->sh->flags & ADDRESS_GROUP_SIGGROUPHEAD_COPY) {
|
|
printf("(COPY)\n");
|
|
} else {
|
|
printf("\n");
|
|
}
|
|
}
|
|
DetectPort *sp = global_dst_gr->port;
|
|
for ( ; sp != NULL; sp = sp->next) {
|
|
printf(" * Src port(range): "); DetectPortPrint(sp); printf("\n");
|
|
DetectPort *dp = sp->dst_ph;
|
|
for ( ; dp != NULL; dp = dp->next) {
|
|
printf(" * Dst port(range): "); DetectPortPrint(dp);
|
|
printf(" (sigs %" PRIu32 ")", dp->sh->sig_cnt);
|
|
#ifdef PRINTSIGS
|
|
printf(" - ");
|
|
for (i = 0; i < dp->sh->sig_cnt; i++) {
|
|
Signature *s = de_ctx->sig_array[dp->sh->match_array[i]];
|
|
printf("%" PRIu32 " ", s->id);
|
|
}
|
|
#endif
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
for (global_dst_gr = global_dst_gh->ipv6_head;
|
|
global_dst_gr != NULL;
|
|
global_dst_gr = global_dst_gr->next)
|
|
{
|
|
printf(" - "); DetectAddressDataPrint(global_dst_gr->ad);
|
|
//printf(" (sh %p) ", global_dst_gr->sh);
|
|
if (global_dst_gr->sh) {
|
|
if (global_dst_gr->sh->flags & ADDRESS_GROUP_SIGGROUPHEAD_COPY) {
|
|
printf("(COPY)\n");
|
|
} else {
|
|
printf("\n");
|
|
}
|
|
}
|
|
DetectPort *sp = global_dst_gr->port;
|
|
for ( ; sp != NULL; sp = sp->next) {
|
|
printf(" * Src port(range): "); DetectPortPrint(sp); printf("\n");
|
|
DetectPort *dp = sp->dst_ph;
|
|
for ( ; dp != NULL; dp = dp->next) {
|
|
printf(" * Dst port(range): "); DetectPortPrint(dp);
|
|
printf(" (sigs %" PRIu32 ")", dp->sh->sig_cnt);
|
|
#ifdef PRINTSIGS
|
|
printf(" - ");
|
|
for (i = 0; i < dp->sh->sig_cnt; i++) {
|
|
Signature *s = de_ctx->sig_array[dp->sh->match_array[i]];
|
|
printf("%" PRIu32 " ", s->id);
|
|
}
|
|
#endif
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//#endif
|
|
}
|
|
}
|
|
}
|
|
printf("* Building signature grouping structure, stage 5: print... done\n");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* \brief Convert the signature list into the runtime match structure.
|
|
*
|
|
* \param de_ctx Pointer to the Detection Engine Context whose Signatures have
|
|
* to be processed
|
|
*
|
|
* \retval 0 Always
|
|
*/
|
|
int SigGroupBuild (DetectEngineCtx *de_ctx) {
|
|
SigAddressPrepareStage1(de_ctx);
|
|
SigAddressPrepareStage2(de_ctx);
|
|
SigAddressPrepareStage3(de_ctx);
|
|
// SigAddressPrepareStage5(de_ctx);
|
|
DbgPrintScanSearchStats();
|
|
// DetectAddressGroupPrintMemory();
|
|
// DetectSigGroupPrintMemory();
|
|
// DetectPortPrintMemory();
|
|
return 0;
|
|
}
|
|
|
|
int SigGroupCleanup (DetectEngineCtx *de_ctx) {
|
|
SigAddressCleanupStage1(de_ctx);
|
|
return 0;
|
|
}
|
|
|
|
void SigTableSetup(void) {
|
|
memset(sigmatch_table, 0, sizeof(sigmatch_table));
|
|
|
|
DetectAddressRegister();
|
|
DetectProtoRegister();
|
|
DetectPortRegister();
|
|
|
|
DetectSidRegister();
|
|
DetectPriorityRegister();
|
|
DetectRevRegister();
|
|
DetectClasstypeRegister();
|
|
DetectReferenceRegister();
|
|
DetectThresholdRegister();
|
|
DetectMetadataRegister();
|
|
DetectMsgRegister();
|
|
DetectContentRegister();
|
|
DetectUricontentRegister();
|
|
DetectPcreRegister();
|
|
DetectDepthRegister();
|
|
DetectNocaseRegister();
|
|
DetectRecursiveRegister();
|
|
DetectRawbytesRegister();
|
|
DetectBytetestRegister();
|
|
DetectBytejumpRegister();
|
|
DetectSameipRegister();
|
|
DetectIPProtoRegister();
|
|
DetectWithinRegister();
|
|
DetectDistanceRegister();
|
|
DetectOffsetRegister();
|
|
DetectFlowRegister();
|
|
DetectWindowRegister();
|
|
DetectIsdataatRegister();
|
|
DetectIdRegister();
|
|
DetectDsizeRegister();
|
|
DetectFlowvarRegister();
|
|
DetectPktvarRegister();
|
|
DetectNoalertRegister();
|
|
DetectFlowbitsRegister();
|
|
DetectDecodeEventRegister();
|
|
DetectIpOptsRegister();
|
|
DetectFlagsRegister();
|
|
DetectFragBitsRegister();
|
|
DetectGidRegister();
|
|
DetectCsumRegister();
|
|
DetectStreamSizeRegister();
|
|
|
|
uint8_t i = 0;
|
|
for (i = 0; i < DETECT_TBLSIZE; i++) {
|
|
if (sigmatch_table[i].RegisterTests == NULL) {
|
|
SCLogDebug("detection plugin %s has no unittest "
|
|
"registration function.\n", sigmatch_table[i].name);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SigTableRegisterTests(void) {
|
|
/* register the tests */
|
|
uint8_t i = 0;
|
|
for (i = 0; i < DETECT_TBLSIZE; i++) {
|
|
if (sigmatch_table[i].RegisterTests != NULL) {
|
|
sigmatch_table[i].RegisterTests();
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* TESTS
|
|
*/
|
|
|
|
#ifdef UNITTESTS
|
|
#include "flow-util.h"
|
|
|
|
static int SigTest01Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.1\r\n"
|
|
"Host: one.example.org\r\n"
|
|
"\r\n\r\n"
|
|
"GET /two/ HTTP/1.1\r\n"
|
|
"Host: two.example.org\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI cap\"; content:\"GET \"; depth:4; pcre:\"/GET (?P<pkt_http_uri>.*) HTTP\\/\\d\\.\\d\\r\\n/G\"; recursive; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1) == 0) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
//printf("URI0 \"%s\", len %" PRIu32 "\n", p.http_uri.raw[0], p.http_uri.raw_size[0]);
|
|
//printf("URI1 \"%s\", len %" PRIu32 "\n", p.http_uri.raw[1], p.http_uri.raw_size[1]);
|
|
|
|
if (p.http_uri.raw_size[0] == 5 &&
|
|
memcmp(p.http_uri.raw[0], "/one/", 5) == 0 &&
|
|
p.http_uri.raw_size[1] == 5 &&
|
|
memcmp(p.http_uri.raw[1], "/two/", 5) == 0)
|
|
{
|
|
result = 1;
|
|
}
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
static int SigTest01B2g (void) {
|
|
return SigTest01Real(MPM_B2G);
|
|
}
|
|
static int SigTest01B3g (void) {
|
|
return SigTest01Real(MPM_B3G);
|
|
}
|
|
static int SigTest01Wm (void) {
|
|
return SigTest01Real(MPM_WUMANBER);
|
|
}
|
|
|
|
static int SigTest02Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.1\r\n"
|
|
"Host: one.example.org\r\n"
|
|
"\r\n\r\n"
|
|
"GET /two/ HTTP/1.1\r\n"
|
|
"Host: two.example.org\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP TEST\"; content:\"Host: one.example.org\"; offset:20; depth:41; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx,mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1))
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest02B2g (void) {
|
|
return SigTest02Real(MPM_B2G);
|
|
}
|
|
static int SigTest02B3g (void) {
|
|
return SigTest02Real(MPM_B3G);
|
|
}
|
|
static int SigTest02Wm (void) {
|
|
return SigTest02Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest03Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.1\r\n"
|
|
"Host: one.example.org\r\n"
|
|
"\r\n\r\n"
|
|
"GET /two/ HTTP/1.1\r\n"
|
|
"Host: two.example.org\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP TEST\"; content:\"Host: one.example.org\"; offset:20; depth:40; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (!PacketAlertCheck(&p, 1))
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest03B2g (void) {
|
|
return SigTest03Real(MPM_B2G);
|
|
}
|
|
static int SigTest03B3g (void) {
|
|
return SigTest03Real(MPM_B3G);
|
|
}
|
|
static int SigTest03Wm (void) {
|
|
return SigTest03Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest04Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.1\r\n"
|
|
"Host: one.example.org\r\n"
|
|
"\r\n\r\n"
|
|
"GET /two/ HTTP/1.1\r\n"
|
|
"Host: two.example.org\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP TEST\"; content:\"Host:\"; offset:20; depth:25; content:\"Host:\"; distance:47; within:52; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1))
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest04B2g (void) {
|
|
return SigTest04Real(MPM_B2G);
|
|
}
|
|
static int SigTest04B3g (void) {
|
|
return SigTest04Real(MPM_B3G);
|
|
}
|
|
static int SigTest04Wm (void) {
|
|
return SigTest04Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest05Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.1\r\n" /* 20 */
|
|
"Host: one.example.org\r\n" /* 23, 43 */
|
|
"\r\n\r\n" /* 4, 47 */
|
|
"GET /two/ HTTP/1.1\r\n" /* 20, 67 */
|
|
"Host: two.example.org\r\n" /* 23, 90 */
|
|
"\r\n\r\n"; /* 4, 94 */
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP TEST\"; content:\"Host:\"; offset:20; depth:25; content:\"Host:\"; distance:48; within:52; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (!PacketAlertCheck(&p, 1))
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest05B2g (void) {
|
|
return SigTest05Real(MPM_B2G);
|
|
}
|
|
static int SigTest05B3g (void) {
|
|
return SigTest05Real(MPM_B3G);
|
|
}
|
|
static int SigTest05Wm (void) {
|
|
return SigTest05Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest06Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.1\r\n" /* 20 */
|
|
"Host: one.example.org\r\n" /* 23, 43 */
|
|
"\r\n\r\n" /* 4, 47 */
|
|
"GET /two/ HTTP/1.1\r\n" /* 20, 67 */
|
|
"Host: two.example.org\r\n" /* 23, 90 */
|
|
"\r\n\r\n"; /* 4, 94 */
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI cap\"; content:\"GET \"; depth:4; pcre:\"/GET (?P<pkt_http_uri>.*) HTTP\\/\\d\\.\\d\\r\\n/G\"; recursive; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI test\"; uricontent:\"two\"; sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1) && PacketAlertCheck(&p, 2))
|
|
result = 1;
|
|
else
|
|
printf("sid:1 %s, sid:2 %s: ",
|
|
PacketAlertCheck(&p, 1) ? "OK" : "FAIL",
|
|
PacketAlertCheck(&p, 2) ? "OK" : "FAIL");
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest06B2g (void) {
|
|
return SigTest06Real(MPM_B2G);
|
|
}
|
|
static int SigTest06B3g (void) {
|
|
return SigTest06Real(MPM_B3G);
|
|
}
|
|
static int SigTest06Wm (void) {
|
|
return SigTest06Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest07Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.1\r\n" /* 20 */
|
|
"Host: one.example.org\r\n" /* 23, 43 */
|
|
"\r\n\r\n" /* 4, 47 */
|
|
"GET /two/ HTTP/1.1\r\n" /* 20, 67 */
|
|
"Host: two.example.org\r\n" /* 23, 90 */
|
|
"\r\n\r\n"; /* 4, 94 */
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI cap\"; content:\"GET \"; depth:4; pcre:\"/GET (?P<pkt_http_uri>.*) HTTP\\/\\d\\.\\d\\r\\n/G\"; recursive; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI test\"; uricontent:\"three\"; sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1) && PacketAlertCheck(&p, 2))
|
|
result = 0;
|
|
else
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest07B2g (void) {
|
|
return SigTest07Real(MPM_B2G);
|
|
}
|
|
static int SigTest07B3g (void) {
|
|
return SigTest07Real(MPM_B3G);
|
|
}
|
|
static int SigTest07Wm (void) {
|
|
return SigTest07Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest08Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.0\r\n" /* 20 */
|
|
"Host: one.example.org\r\n" /* 23, 43 */
|
|
"\r\n\r\n" /* 4, 47 */
|
|
"GET /two/ HTTP/1.0\r\n" /* 20, 67 */
|
|
"Host: two.example.org\r\n" /* 23, 90 */
|
|
"\r\n\r\n"; /* 4, 94 */
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI cap\"; content:\"GET \"; depth:4; pcre:\"/GET (?P<pkt_http_uri>.*) HTTP\\/1\\.0\\r\\n/G\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI test\"; uricontent:\"one\"; sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1) && PacketAlertCheck(&p, 2))
|
|
result = 1;
|
|
else
|
|
printf("sid:1 %s, sid:2 %s: ",
|
|
PacketAlertCheck(&p, 1) ? "OK" : "FAIL",
|
|
PacketAlertCheck(&p, 2) ? "OK" : "FAIL");
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest08B2g (void) {
|
|
return SigTest08Real(MPM_B2G);
|
|
}
|
|
static int SigTest08B3g (void) {
|
|
return SigTest08Real(MPM_B3G);
|
|
}
|
|
static int SigTest08Wm (void) {
|
|
return SigTest08Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest09Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.0\r\n" /* 20 */
|
|
"Host: one.example.org\r\n" /* 23, 43 */
|
|
"\r\n\r\n" /* 4, 47 */
|
|
"GET /two/ HTTP/1.0\r\n" /* 20, 67 */
|
|
"Host: two.example.org\r\n" /* 23, 90 */
|
|
"\r\n\r\n"; /* 4, 94 */
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI cap\"; content:\"GET \"; depth:4; pcre:\"/GET (?P<pkt_http_uri>.*) HTTP\\/1\\.0\\r\\n/G\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"HTTP URI test\"; uricontent:\"two\"; sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1) && PacketAlertCheck(&p, 2))
|
|
result = 0;
|
|
else
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest09B2g (void) {
|
|
return SigTest09Real(MPM_B2G);
|
|
}
|
|
static int SigTest09B3g (void) {
|
|
return SigTest09Real(MPM_B3G);
|
|
}
|
|
static int SigTest09Wm (void) {
|
|
return SigTest09Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest10Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"ABC";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"Long content test (1)\"; content:\"ABCD\"; depth:4; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"Long content test (2)\"; content:\"VWXYZ\"; sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1) && PacketAlertCheck(&p, 2))
|
|
result = 0;
|
|
else
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest10B2g (void) {
|
|
return SigTest10Real(MPM_B2G);
|
|
}
|
|
static int SigTest10B3g (void) {
|
|
return SigTest10Real(MPM_B3G);
|
|
}
|
|
static int SigTest10Wm (void) {
|
|
return SigTest10Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest11Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()_+";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"Scan vs Search (1)\"; content:\"ABCDEFGHIJ\"; content:\"klmnop\"; content:\"1234\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"Scan vs Search (2)\"; content:\"VWXYZabcde\"; content:\"5678\"; content:\"89\"; sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1) && PacketAlertCheck(&p, 2))
|
|
result = 1;
|
|
else
|
|
result = 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest11B2g (void) {
|
|
return SigTest11Real(MPM_B2G);
|
|
}
|
|
static int SigTest11B3g (void) {
|
|
return SigTest11Real(MPM_B3G);
|
|
}
|
|
static int SigTest11Wm (void) {
|
|
return SigTest11Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest12Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()_+";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"Content order test\"; content:\"ABCDEFGHIJ\"; content:\"klmnop\"; content:\"1234\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1))
|
|
result = 1;
|
|
else
|
|
result = 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest12B2g (void) {
|
|
return SigTest12Real(MPM_B2G);
|
|
}
|
|
static int SigTest12B3g (void) {
|
|
return SigTest12Real(MPM_B3G);
|
|
}
|
|
static int SigTest12Wm (void) {
|
|
return SigTest12Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest13Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()_+";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"Content order test\"; content:\"ABCDEFGHIJ\"; content:\"1234\"; content:\"klmnop\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1))
|
|
result = 1;
|
|
else
|
|
result = 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest13B2g (void) {
|
|
return SigTest13Real(MPM_B2G);
|
|
}
|
|
static int SigTest13B3g (void) {
|
|
return SigTest13Real(MPM_B3G);
|
|
}
|
|
static int SigTest13Wm (void) {
|
|
return SigTest13Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest14Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()_+";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"Content order test\"; content:\"ABCDEFGHIJ\"; content:\"1234\"; content:\"klmnop\"; distance:0; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 1))
|
|
result = 0;
|
|
else
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest14B2g (void) {
|
|
return SigTest14Real(MPM_B2G);
|
|
}
|
|
static int SigTest14B3g (void) {
|
|
return SigTest14Real(MPM_B3G);
|
|
}
|
|
static int SigTest14Wm (void) {
|
|
return SigTest14Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest15Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"CONNECT 213.92.8.7:31204 HTTP/1.1";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
p.dp = 80;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any !$HTTP_PORTS (msg:\"ET POLICY Inbound HTTP CONNECT Attempt on Off-Port\"; content:\"CONNECT \"; nocase; depth:8; content:\" HTTP/1.\"; nocase; within:1000; classtype:misc-activity; sid:2008284; rev:2;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 2008284))
|
|
result = 0;
|
|
else
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest15B2g (void) {
|
|
return SigTest15Real(MPM_B2G);
|
|
}
|
|
static int SigTest15B3g (void) {
|
|
return SigTest15Real(MPM_B3G);
|
|
}
|
|
static int SigTest15Wm (void) {
|
|
return SigTest15Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest16Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"CONNECT 213.92.8.7:31204 HTTP/1.1";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
p.dp = 1234;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any !$HTTP_PORTS (msg:\"ET POLICY Inbound HTTP CONNECT Attempt on Off-Port\"; content:\"CONNECT \"; nocase; depth:8; content:\" HTTP/1.\"; nocase; within:1000; classtype:misc-activity; sid:2008284; rev:2;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 2008284))
|
|
result = 1;
|
|
else
|
|
printf("sid:2008284 %s: ", PacketAlertCheck(&p, 2008284) ? "OK" : "FAIL");
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest16B2g (void) {
|
|
return SigTest16Real(MPM_B2G);
|
|
}
|
|
static int SigTest16B3g (void) {
|
|
return SigTest16Real(MPM_B3G);
|
|
}
|
|
static int SigTest16Wm (void) {
|
|
return SigTest16Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest17Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"GET /one/ HTTP/1.1\r\n" /* 20 */
|
|
"Host: one.example.org\r\n" /* 23, 43 */
|
|
"\r\n\r\n" /* 4, 47 */
|
|
"GET /two/ HTTP/1.1\r\n" /* 20, 67 */
|
|
"Host: two.example.org\r\n" /* 23, 90 */
|
|
"\r\n\r\n"; /* 4, 94 */
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
p.dp = 80;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any $HTTP_PORTS (msg:\"HTTP host cap\"; content:\"Host:\"; pcre:\"/^Host: (?P<pkt_http_host>.*)\\r\\n/m\"; noalert; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
PktVar *pv_hn = PktVarGet(&p, "http_host");
|
|
if (pv_hn != NULL) {
|
|
if (memcmp(pv_hn->value, "one.example.org", pv_hn->value_len < 15 ? pv_hn->value_len : 15) == 0)
|
|
result = 1;
|
|
else {
|
|
printf("\"");
|
|
PrintRawUriFp(stdout, pv_hn->value, pv_hn->value_len);
|
|
printf("\" != \"one.example.org\": ");
|
|
}
|
|
} else {
|
|
printf("Pkt var http_host not captured: ");
|
|
}
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest17B2g (void) {
|
|
return SigTest17Real(MPM_B2G);
|
|
}
|
|
static int SigTest17B3g (void) {
|
|
return SigTest17Real(MPM_B3G);
|
|
}
|
|
static int SigTest17Wm (void) {
|
|
return SigTest17Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest18Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"220 (vsFTPd 2.0.5)\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
p.dp = 34260;
|
|
p.sp = 21;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any !21:902 -> any any (msg:\"ET MALWARE Suspicious 220 Banner on Local Port\"; content:\"220\"; offset:0; depth:4; pcre:\"/220[- ]/\"; classtype:non-standard-protocol; sid:2003055; rev:4;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (!PacketAlertCheck(&p, 2003055))
|
|
result = 1;
|
|
else
|
|
printf("signature shouldn't match, but did: ");
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest18B2g (void) {
|
|
return SigTest18Real(MPM_B2G);
|
|
}
|
|
static int SigTest18B3g (void) {
|
|
return SigTest18Real(MPM_B3G);
|
|
}
|
|
static int SigTest18Wm (void) {
|
|
return SigTest18Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
int SigTest19Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"220 (vsFTPd 2.0.5)\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.src.addr_data32[0] = 0x0102080a;
|
|
p.dst.addr_data32[0] = 0x04030201;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
p.dp = 34260;
|
|
p.sp = 21;
|
|
p.flowflags |= FLOW_PKT_TOSERVER;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert ip $HOME_NET any -> 1.2.3.4 any (msg:\"IP-ONLY test (1)\"; sid:999; rev:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
//DetectEngineIPOnlyThreadInit(de_ctx,&det_ctx->io_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 999))
|
|
result = 1;
|
|
else
|
|
printf("signature didn't match, but should have: ");
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest19B2g (void) {
|
|
return SigTest19Real(MPM_B2G);
|
|
}
|
|
static int SigTest19B3g (void) {
|
|
return SigTest19Real(MPM_B3G);
|
|
}
|
|
static int SigTest19Wm (void) {
|
|
return SigTest19Real(MPM_WUMANBER);
|
|
}
|
|
|
|
static int SigTest20Real (int mpm_type) {
|
|
uint8_t *buf = (uint8_t *)
|
|
"220 (vsFTPd 2.0.5)\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.src.addr_data32[0] = 0x0102080a;
|
|
p.dst.addr_data32[0] = 0x04030201;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
p.dp = 34260;
|
|
p.sp = 21;
|
|
p.flowflags |= FLOW_PKT_TOSERVER;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert ip $HOME_NET any -> [99.99.99.99,1.2.3.0/24,1.1.1.1,3.0.0.0/8] any (msg:\"IP-ONLY test (2)\"; sid:999; rev:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
//DetectEngineIPOnlyThreadInit(de_ctx,&det_ctx->io_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 999))
|
|
result = 1;
|
|
else
|
|
printf("signature didn't match, but should have: ");
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest20B2g (void) {
|
|
return SigTest20Real(MPM_B2G);
|
|
}
|
|
static int SigTest20B3g (void) {
|
|
return SigTest20Real(MPM_B3G);
|
|
}
|
|
static int SigTest20Wm (void) {
|
|
return SigTest20Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest21Real (int mpm_type) {
|
|
ThreadVars th_v;
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
Flow f;
|
|
memset(&f, 0, sizeof(f));
|
|
|
|
/* packet 1 */
|
|
uint8_t *buf1 = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buf1len = strlen((char *)buf1);
|
|
Packet p1;
|
|
|
|
memset(&p1, 0, sizeof(p1));
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf1;
|
|
p1.payload_len = buf1len;
|
|
p1.proto = IPPROTO_TCP;
|
|
p1.flow = &f;
|
|
|
|
/* packet 2 */
|
|
uint8_t *buf2 = (uint8_t *)"GET /two/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buf2len = strlen((char *)buf2);
|
|
Packet p2;
|
|
|
|
memset(&p2, 0, sizeof(p2));
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf2;
|
|
p2.payload_len = buf2len;
|
|
p2.proto = IPPROTO_TCP;
|
|
p2.flow = &f;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"FLOWBIT SET\"; content:\"/one/\"; flowbits:set,TEST.one; flowbits:noalert; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"FLOWBIT TEST\"; content:\"/two/\"; flowbits:isset,TEST.one; sid:2;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1)) {
|
|
printf("sid 1 alerted, but shouldn't: ");
|
|
goto end;
|
|
}
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest21B2g (void) {
|
|
return SigTest21Real(MPM_B2G);
|
|
}
|
|
static int SigTest21B3g (void) {
|
|
return SigTest21Real(MPM_B3G);
|
|
}
|
|
static int SigTest21Wm (void) {
|
|
return SigTest21Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
static int SigTest22Real (int mpm_type) {
|
|
ThreadVars th_v;
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
Flow f;
|
|
memset(&f, 0, sizeof(f));
|
|
|
|
/* packet 1 */
|
|
uint8_t *buf1 = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buf1len = strlen((char *)buf1);
|
|
Packet p1;
|
|
|
|
memset(&p1, 0, sizeof(p1));
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf1;
|
|
p1.payload_len = buf1len;
|
|
p1.proto = IPPROTO_TCP;
|
|
p1.flow = &f;
|
|
|
|
/* packet 2 */
|
|
uint8_t *buf2 = (uint8_t *)"GET /two/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buf2len = strlen((char *)buf2);
|
|
Packet p2;
|
|
|
|
memset(&p2, 0, sizeof(p2));
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf2;
|
|
p2.payload_len = buf2len;
|
|
p2.proto = IPPROTO_TCP;
|
|
p2.flow = &f;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"FLOWBIT SET\"; content:\"/one/\"; flowbits:set,TEST.one; flowbits:noalert; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"FLOWBIT TEST\"; content:\"/two/\"; flowbits:isset,TEST.abc; sid:2;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1)) {
|
|
printf("sid 1 alerted, but shouldn't: ");
|
|
goto end;
|
|
}
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (!(PacketAlertCheck(&p2, 2)))
|
|
result = 1;
|
|
else
|
|
printf("sid 2 alerted, but shouldn't: ");
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest22B2g (void) {
|
|
return SigTest22Real(MPM_B2G);
|
|
}
|
|
static int SigTest22B3g (void) {
|
|
return SigTest22Real(MPM_B3G);
|
|
}
|
|
static int SigTest22Wm (void) {
|
|
return SigTest22Real(MPM_WUMANBER);
|
|
}
|
|
|
|
static int SigTest23Real (int mpm_type) {
|
|
ThreadVars th_v;
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 0;
|
|
|
|
Flow f;
|
|
memset(&f, 0, sizeof(f));
|
|
|
|
/* packet 1 */
|
|
uint8_t *buf1 = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buf1len = strlen((char *)buf1);
|
|
Packet p1;
|
|
|
|
memset(&p1, 0, sizeof(p1));
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf1;
|
|
p1.payload_len = buf1len;
|
|
p1.proto = IPPROTO_TCP;
|
|
p1.flow = &f;
|
|
|
|
/* packet 2 */
|
|
uint8_t *buf2 = (uint8_t *)"GET /two/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buf2len = strlen((char *)buf2);
|
|
Packet p2;
|
|
|
|
memset(&p2, 0, sizeof(p2));
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf2;
|
|
p2.payload_len = buf2len;
|
|
p2.proto = IPPROTO_TCP;
|
|
p2.flow = &f;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"FLOWBIT SET\"; content:\"/one/\"; flowbits:toggle,TEST.one; flowbits:noalert; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"FLOWBIT TEST\"; content:\"/two/\"; flowbits:isset,TEST.one; sid:2;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1)) {
|
|
printf("sid 1 alerted, but shouldn't: ");
|
|
goto end;
|
|
}
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result = 1;
|
|
else
|
|
printf("sid 2 didn't alert, but should have: ");
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest23B2g (void) {
|
|
return SigTest23Real(MPM_B2G);
|
|
}
|
|
static int SigTest23B3g (void) {
|
|
return SigTest23Real(MPM_B3G);
|
|
}
|
|
static int SigTest23Wm (void) {
|
|
return SigTest23Real(MPM_WUMANBER);
|
|
}
|
|
|
|
int SigTest24IPV4Keyword(void)
|
|
{
|
|
uint8_t valid_raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x01, 0xb7, 0x52, 0xc0, 0xa8, 0x01, 0x03,
|
|
0xc0, 0xa8, 0x01, 0x03};
|
|
|
|
uint8_t invalid_raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x01, 0xb7, 0x52, 0xc0, 0xa8, 0x01, 0x03,
|
|
0xc0, 0xa8, 0x01, 0x06};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
p1.ip4c.comp_csum = -1;
|
|
p2.ip4c.comp_csum = -1;
|
|
|
|
p1.ip4h = (IPV4Hdr *)valid_raw_ipv4;
|
|
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_TCP;
|
|
|
|
p2.ip4h = (IPV4Hdr *)invalid_raw_ipv4;
|
|
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = buflen;
|
|
p2.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; ipv4-csum:valid; "
|
|
"msg:\"ipv4-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; ipv4-csum:invalid; "
|
|
"msg:\"ipv4-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 1;
|
|
else {
|
|
result &= 0;
|
|
printf("signature didn't match, but should have: ");
|
|
}
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest25NegativeIPV4Keyword(void)
|
|
{
|
|
uint8_t valid_raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x01, 0xb7, 0x52, 0xc0, 0xa8, 0x01, 0x03,
|
|
0xc0, 0xa8, 0x01, 0x03};
|
|
|
|
uint8_t invalid_raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x01, 0xb7, 0x52, 0xc0, 0xa8, 0x01, 0x03,
|
|
0xc0, 0xa8, 0x01, 0x06};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
p1.ip4c.comp_csum = -1;
|
|
p2.ip4c.comp_csum = -1;
|
|
|
|
p1.ip4h = (IPV4Hdr *)valid_raw_ipv4;
|
|
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_TCP;
|
|
|
|
p2.ip4h = (IPV4Hdr *)invalid_raw_ipv4;
|
|
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = buflen;
|
|
p2.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; ipv4-csum:invalid; "
|
|
"msg:\"ipv4-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; ipv4-csum:valid; "
|
|
"msg:\"ipv4-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest26TCPV4Keyword(void)
|
|
{
|
|
uint8_t raw_ipv4[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x40, 0x8e, 0x7e, 0xb2,
|
|
0xc0, 0xa8, 0x01, 0x03};
|
|
|
|
uint8_t valid_raw_tcp[] = {
|
|
0x00, 0x50, 0x8e, 0x16, 0x0d, 0x59, 0xcd, 0x3c,
|
|
0xcf, 0x0d, 0x21, 0x80, 0xa0, 0x12, 0x16, 0xa0,
|
|
0xfa, 0x03, 0x00, 0x00, 0x02, 0x04, 0x05, 0xb4,
|
|
0x04, 0x02, 0x08, 0x0a, 0x6e, 0x18, 0x78, 0x73,
|
|
0x01, 0x71, 0x74, 0xde, 0x01, 0x03, 0x03, 0x02};
|
|
|
|
uint8_t invalid_raw_tcp[] = {
|
|
0x00, 0x50, 0x8e, 0x16, 0x0d, 0x59, 0xcd, 0x3c,
|
|
0xcf, 0x0d, 0x21, 0x80, 0xa0, 0x12, 0x16, 0xa0,
|
|
0xfa, 0x03, 0x00, 0x00, 0x02, 0x04, 0x05, 0xb4,
|
|
0x04, 0x02, 0x08, 0x0a, 0x6e, 0x18, 0x78, 0x73,
|
|
0x01, 0x71, 0x74, 0xde, 0x01, 0x03, 0x03, 0x03};
|
|
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0yyyyyyyyyyyyyyyy\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.tcpc.comp_csum = -1;
|
|
p1.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p1.tcph = (TCPHdr *)valid_raw_tcp;
|
|
//p1.tcpvars.hlen = TCP_GET_HLEN((&p));
|
|
p1.tcpvars.hlen = 0;
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_TCP;
|
|
|
|
p2.tcpc.comp_csum = -1;
|
|
p2.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p2.tcph = (TCPHdr *)invalid_raw_tcp;
|
|
//p2.tcpvars.hlen = TCP_GET_HLEN((&p));
|
|
p2.tcpvars.hlen = 0;
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = buflen;
|
|
p2.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; tcpv4-csum:valid; "
|
|
"msg:\"tcpv4-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; tcpv4-csum:invalid; "
|
|
"msg:\"tcpv4-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest27NegativeTCPV4Keyword(void)
|
|
{
|
|
uint8_t raw_ipv4[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x40, 0x8e, 0x7e, 0xb2,
|
|
0xc0, 0xa8, 0x01, 0x03};
|
|
|
|
uint8_t valid_raw_tcp[] = {
|
|
0x00, 0x50, 0x8e, 0x16, 0x0d, 0x59, 0xcd, 0x3c,
|
|
0xcf, 0x0d, 0x21, 0x80, 0xa0, 0x12, 0x16, 0xa0,
|
|
0xfa, 0x03, 0x00, 0x00, 0x02, 0x04, 0x05, 0xb4,
|
|
0x04, 0x02, 0x08, 0x0a, 0x6e, 0x18, 0x78, 0x73,
|
|
0x01, 0x71, 0x74, 0xde, 0x01, 0x03, 0x03, 0x02};
|
|
|
|
uint8_t invalid_raw_tcp[] = {
|
|
0x00, 0x50, 0x8e, 0x16, 0x0d, 0x59, 0xcd, 0x3c,
|
|
0xcf, 0x0d, 0x21, 0x80, 0xa0, 0x12, 0x16, 0xa0,
|
|
0xfa, 0x03, 0x00, 0x00, 0x02, 0x04, 0x05, 0xb4,
|
|
0x04, 0x02, 0x08, 0x0a, 0x6e, 0x18, 0x78, 0x73,
|
|
0x01, 0x71, 0x74, 0xde, 0x01, 0x03, 0x03, 0x03};
|
|
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0yyyyyyyyyyyyyyyy\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.tcpc.comp_csum = -1;
|
|
p1.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p1.tcph = (TCPHdr *)valid_raw_tcp;
|
|
//p1.tcpvars.hlen = TCP_GET_HLEN((&p));
|
|
p1.tcpvars.hlen = 0;
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_TCP;
|
|
|
|
p2.tcpc.comp_csum = -1;
|
|
p2.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p2.tcph = (TCPHdr *)invalid_raw_tcp;
|
|
//p2.tcpvars.hlen = TCP_GET_HLEN((&p));
|
|
p2.tcpvars.hlen = 0;
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = buflen;
|
|
p2.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; tcpv4-csum:invalid; "
|
|
"msg:\"tcpv4-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; tcpv4-csum:valid; "
|
|
"msg:\"tcpv4-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2)) {
|
|
result &= 0;
|
|
}
|
|
else
|
|
result &= 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest28TCPV6Keyword(void)
|
|
{
|
|
static uint8_t valid_raw_ipv6[] = {
|
|
0x00, 0x60, 0x97, 0x07, 0x69, 0xea, 0x00, 0x00,
|
|
0x86, 0x05, 0x80, 0xda, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x20, 0x06, 0x40, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0x03, 0xfe,
|
|
0x00, 0x16, 0xd6, 0x76, 0xf5, 0x2d, 0x0c, 0x7a,
|
|
0x08, 0x77, 0x80, 0x10, 0x21, 0x5c, 0xc2, 0xf1,
|
|
0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x00, 0x08,
|
|
0xca, 0x5a, 0x00, 0x01, 0x69, 0x27};
|
|
|
|
static uint8_t invalid_raw_ipv6[] = {
|
|
0x00, 0x60, 0x97, 0x07, 0x69, 0xea, 0x00, 0x00,
|
|
0x86, 0x05, 0x80, 0xda, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x20, 0x06, 0x40, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0x03, 0xfe,
|
|
0x00, 0x16, 0xd6, 0x76, 0xf5, 0x2d, 0x0c, 0x7a,
|
|
0x08, 0x77, 0x80, 0x10, 0x21, 0x5c, 0xc2, 0xf1,
|
|
0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x00, 0x08,
|
|
0xca, 0x5a, 0x00, 0x01, 0x69, 0x28};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0tttttttt\r\n"
|
|
"\r\n\r\n";
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.tcpc.comp_csum = -1;
|
|
p1.ip6h = (IPV6Hdr *)(valid_raw_ipv6 + 14);
|
|
p1.tcph = (TCPHdr *) (valid_raw_ipv6 + 54);
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.tcpvars.hlen = TCP_GET_HLEN((&p1));
|
|
p1.payload = buf;
|
|
p1.payload_len = p1.tcpvars.hlen;
|
|
p1.tcpvars.hlen = 0;
|
|
p1.proto = IPPROTO_TCP;
|
|
|
|
p2.tcpc.comp_csum = -1;
|
|
p2.ip6h = (IPV6Hdr *)(invalid_raw_ipv6 + 14);
|
|
p2.tcph = (TCPHdr *) (invalid_raw_ipv6 + 54);
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.tcpvars.hlen = TCP_GET_HLEN((&p2));
|
|
p2.payload = buf;
|
|
p2.payload_len = p2.tcpvars.hlen;
|
|
p2.tcpvars.hlen = 0;
|
|
p2.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; tcpv6-csum:valid; "
|
|
"msg:\"tcpv6-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; tcpv6-csum:invalid; "
|
|
"msg:\"tcpv6-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest29NegativeTCPV6Keyword(void)
|
|
{
|
|
static uint8_t valid_raw_ipv6[] = {
|
|
0x00, 0x60, 0x97, 0x07, 0x69, 0xea, 0x00, 0x00,
|
|
0x86, 0x05, 0x80, 0xda, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x20, 0x06, 0x40, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0x03, 0xfe,
|
|
0x00, 0x16, 0xd6, 0x76, 0xf5, 0x2d, 0x0c, 0x7a,
|
|
0x08, 0x77, 0x80, 0x10, 0x21, 0x5c, 0xc2, 0xf1,
|
|
0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x00, 0x08,
|
|
0xca, 0x5a, 0x00, 0x01, 0x69, 0x27};
|
|
|
|
static uint8_t invalid_raw_ipv6[] = {
|
|
0x00, 0x60, 0x97, 0x07, 0x69, 0xea, 0x00, 0x00,
|
|
0x86, 0x05, 0x80, 0xda, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x20, 0x06, 0x40, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0x03, 0xfe,
|
|
0x00, 0x16, 0xd6, 0x76, 0xf5, 0x2d, 0x0c, 0x7a,
|
|
0x08, 0x77, 0x80, 0x10, 0x21, 0x5c, 0xc2, 0xf1,
|
|
0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x00, 0x08,
|
|
0xca, 0x5a, 0x00, 0x01, 0x69, 0x28};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0tttttttt\r\n"
|
|
"\r\n\r\n";
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.tcpc.comp_csum = -1;
|
|
p1.ip6h = (IPV6Hdr *)(valid_raw_ipv6 + 14);
|
|
p1.tcph = (TCPHdr *) (valid_raw_ipv6 + 54);
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.tcpvars.hlen = TCP_GET_HLEN((&p1));
|
|
p1.payload = buf;
|
|
p1.payload_len = p1.tcpvars.hlen;
|
|
p1.tcpvars.hlen = 0;
|
|
p1.proto = IPPROTO_TCP;
|
|
|
|
p2.tcpc.comp_csum = -1;
|
|
p2.ip6h = (IPV6Hdr *)(invalid_raw_ipv6 + 14);
|
|
p2.tcph = (TCPHdr *) (invalid_raw_ipv6 + 54);
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.tcpvars.hlen = TCP_GET_HLEN((&p2));
|
|
p2.payload = buf;
|
|
p2.payload_len = p2.tcpvars.hlen;
|
|
p2.tcpvars.hlen = 0;
|
|
p2.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; tcpv6-csum:invalid; "
|
|
"msg:\"tcpv6-csum keyword check(1)\"; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"/one/\"; tcpv6-csum:valid; "
|
|
"msg:\"tcpv6-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest30UDPV4Keyword(void)
|
|
{
|
|
uint8_t raw_ipv4[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0xd0, 0x43, 0xdc, 0xdc,
|
|
0xc0, 0xa8, 0x01, 0x03};
|
|
|
|
uint8_t valid_raw_udp[] = {
|
|
0x00, 0x35, 0xcf, 0x34, 0x00, 0x55, 0x6c, 0xe0,
|
|
0x83, 0xfc, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x07, 0x70, 0x61, 0x67,
|
|
0x65, 0x61, 0x64, 0x32, 0x11, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0x73, 0x79, 0x6e, 0x64, 0x69,
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x03, 0x63,
|
|
0x6f, 0x6d, 0x00, 0x00, 0x1c, 0x00, 0x01, 0xc0,
|
|
0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x01, 0x4b,
|
|
0x50, 0x00, 0x12, 0x06, 0x70, 0x61, 0x67, 0x65,
|
|
0x61, 0x64, 0x01, 0x6c, 0x06, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0xc0, 0x26};
|
|
|
|
uint8_t invalid_raw_udp[] = {
|
|
0x00, 0x35, 0xcf, 0x34, 0x00, 0x55, 0x6c, 0xe0,
|
|
0x83, 0xfc, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x07, 0x70, 0x61, 0x67,
|
|
0x65, 0x61, 0x64, 0x32, 0x11, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0x73, 0x79, 0x6e, 0x64, 0x69,
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x03, 0x63,
|
|
0x6f, 0x6d, 0x00, 0x00, 0x1c, 0x00, 0x01, 0xc0,
|
|
0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x01, 0x4b,
|
|
0x50, 0x00, 0x12, 0x06, 0x70, 0x61, 0x67, 0x65,
|
|
0x61, 0x64, 0x01, 0x6c, 0x06, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0xc0, 0x27};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0yyyyyyyyyyyyyyyy\r\n"
|
|
"\r\n\r\nyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy";
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.udpc.comp_csum = -1;
|
|
p1.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p1.udph = (UDPHdr *)valid_raw_udp;
|
|
p1.udpvars.hlen = UDP_HEADER_LEN;
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = sizeof(valid_raw_udp) - p1.udpvars.hlen;
|
|
p1.proto = IPPROTO_UDP;
|
|
|
|
p2.udpc.comp_csum = -1;
|
|
p2.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p2.udph = (UDPHdr *)invalid_raw_udp;
|
|
p2.udpvars.hlen = UDP_HEADER_LEN;
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = sizeof(invalid_raw_udp) - p2.udpvars.hlen;
|
|
p2.proto = IPPROTO_UDP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert udp any any -> any any "
|
|
"(content:\"/one/\"; udpv4-csum:valid; "
|
|
"msg:\"udpv4-csum keyword check(1)\"; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert udp any any -> any any "
|
|
"(content:\"/one/\"; udpv4-csum:invalid; "
|
|
"msg:\"udpv4-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest31NegativeUDPV4Keyword(void)
|
|
{
|
|
uint8_t raw_ipv4[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0xd0, 0x43, 0xdc, 0xdc,
|
|
0xc0, 0xa8, 0x01, 0x03};
|
|
|
|
uint8_t valid_raw_udp[] = {
|
|
0x00, 0x35, 0xcf, 0x34, 0x00, 0x55, 0x6c, 0xe0,
|
|
0x83, 0xfc, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x07, 0x70, 0x61, 0x67,
|
|
0x65, 0x61, 0x64, 0x32, 0x11, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0x73, 0x79, 0x6e, 0x64, 0x69,
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x03, 0x63,
|
|
0x6f, 0x6d, 0x00, 0x00, 0x1c, 0x00, 0x01, 0xc0,
|
|
0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x01, 0x4b,
|
|
0x50, 0x00, 0x12, 0x06, 0x70, 0x61, 0x67, 0x65,
|
|
0x61, 0x64, 0x01, 0x6c, 0x06, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0xc0, 0x26};
|
|
|
|
uint8_t invalid_raw_udp[] = {
|
|
0x00, 0x35, 0xcf, 0x34, 0x00, 0x55, 0x6c, 0xe0,
|
|
0x83, 0xfc, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x07, 0x70, 0x61, 0x67,
|
|
0x65, 0x61, 0x64, 0x32, 0x11, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0x73, 0x79, 0x6e, 0x64, 0x69,
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x03, 0x63,
|
|
0x6f, 0x6d, 0x00, 0x00, 0x1c, 0x00, 0x01, 0xc0,
|
|
0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x01, 0x4b,
|
|
0x50, 0x00, 0x12, 0x06, 0x70, 0x61, 0x67, 0x65,
|
|
0x61, 0x64, 0x01, 0x6c, 0x06, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0xc0, 0x27};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0yyyyyyyyyyyyyyyy\r\n"
|
|
"\r\n\r\nyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy";
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.udpc.comp_csum = -1;
|
|
p1.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p1.udph = (UDPHdr *)valid_raw_udp;
|
|
p1.udpvars.hlen = UDP_HEADER_LEN;
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = sizeof(valid_raw_udp) - p1.udpvars.hlen;
|
|
p1.proto = IPPROTO_UDP;
|
|
|
|
p2.udpc.comp_csum = -1;
|
|
p2.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p2.udph = (UDPHdr *)invalid_raw_udp;
|
|
p2.udpvars.hlen = UDP_HEADER_LEN;
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = sizeof(invalid_raw_udp) - p2.udpvars.hlen;
|
|
p2.proto = IPPROTO_UDP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert udp any any -> any any "
|
|
"(content:\"/one/\"; udpv4-csum:invalid; "
|
|
"msg:\"udpv4-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert udp any any -> any any "
|
|
"(content:\"/one/\"; udpv4-csum:valid; "
|
|
"msg:\"udpv4-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2)) {
|
|
result &= 0;
|
|
}
|
|
else
|
|
result &= 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
|
|
int SigTest32UDPV6Keyword(void)
|
|
{
|
|
static uint8_t valid_raw_ipv6[] = {
|
|
0x00, 0x60, 0x97, 0x07, 0x69, 0xea, 0x00, 0x00,
|
|
0x86, 0x05, 0x80, 0xda, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x11, 0x02, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0xa0, 0x75,
|
|
0x82, 0xa0, 0x00, 0x14, 0x1a, 0xc3, 0x06, 0x02,
|
|
0x00, 0x00, 0xf9, 0xc8, 0xe7, 0x36, 0x57, 0xb0,
|
|
0x09, 0x00};
|
|
|
|
static uint8_t invalid_raw_ipv6[] = {
|
|
0x00, 0x60, 0x97, 0x07, 0x69, 0xea, 0x00, 0x00,
|
|
0x86, 0x05, 0x80, 0xda, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x11, 0x02, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0xa0, 0x75,
|
|
0x82, 0xa0, 0x00, 0x14, 0x1a, 0xc3, 0x06, 0x02,
|
|
0x00, 0x00, 0xf9, 0xc8, 0xe7, 0x36, 0x57, 0xb0,
|
|
0x09, 0x01};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP\r\n"
|
|
"\r\n\r\n";
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.udpc.comp_csum = -1;
|
|
p1.ip6h = (IPV6Hdr *)(valid_raw_ipv6 + 14);
|
|
p1.udph = (UDPHdr *) (valid_raw_ipv6 + 54);
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.udpvars.hlen = UDP_HEADER_LEN;
|
|
p1.payload = buf;
|
|
p1.payload_len = IPV6_GET_PLEN((&p1)) - p1.udpvars.hlen;
|
|
p1.proto = IPPROTO_UDP;
|
|
|
|
p2.udpc.comp_csum = -1;
|
|
p2.ip6h = (IPV6Hdr *)(invalid_raw_ipv6 + 14);
|
|
p2.udph = (UDPHdr *) (invalid_raw_ipv6 + 54);
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.udpvars.hlen = UDP_HEADER_LEN;
|
|
p2.payload = buf;
|
|
p2.payload_len = IPV6_GET_PLEN((&p2)) - p2.udpvars.hlen;
|
|
p2.proto = IPPROTO_UDP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert udp any any -> any any "
|
|
"(content:\"/one/\"; udpv6-csum:valid; "
|
|
"msg:\"udpv6-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert udp any any -> any any "
|
|
"(content:\"/one/\"; udpv6-csum:invalid; "
|
|
"msg:\"udpv6-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest33NegativeUDPV6Keyword(void)
|
|
{
|
|
static uint8_t valid_raw_ipv6[] = {
|
|
0x00, 0x60, 0x97, 0x07, 0x69, 0xea, 0x00, 0x00,
|
|
0x86, 0x05, 0x80, 0xda, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x11, 0x02, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0xa0, 0x75,
|
|
0x82, 0xa0, 0x00, 0x14, 0x1a, 0xc3, 0x06, 0x02,
|
|
0x00, 0x00, 0xf9, 0xc8, 0xe7, 0x36, 0x57, 0xb0,
|
|
0x09, 0x00};
|
|
|
|
static uint8_t invalid_raw_ipv6[] = {
|
|
0x00, 0x60, 0x97, 0x07, 0x69, 0xea, 0x00, 0x00,
|
|
0x86, 0x05, 0x80, 0xda, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x11, 0x02, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0xa0, 0x75,
|
|
0x82, 0xa0, 0x00, 0x14, 0x1a, 0xc3, 0x06, 0x02,
|
|
0x00, 0x00, 0xf9, 0xc8, 0xe7, 0x36, 0x57, 0xb0,
|
|
0x09, 0x01};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP\r\n"
|
|
"\r\n\r\n";
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.udpc.comp_csum = -1;
|
|
p1.ip6h = (IPV6Hdr *)(valid_raw_ipv6 + 14);
|
|
p1.udph = (UDPHdr *) (valid_raw_ipv6 + 54);
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.udpvars.hlen = UDP_HEADER_LEN;
|
|
p1.payload = buf;
|
|
p1.payload_len = IPV6_GET_PLEN((&p1)) - p1.udpvars.hlen;
|
|
p1.proto = IPPROTO_UDP;
|
|
|
|
p2.udpc.comp_csum = -1;
|
|
p2.ip6h = (IPV6Hdr *)(invalid_raw_ipv6 + 14);
|
|
p2.udph = (UDPHdr *) (invalid_raw_ipv6 + 54);
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.udpvars.hlen = UDP_HEADER_LEN;
|
|
p2.payload = buf;
|
|
p2.payload_len = IPV6_GET_PLEN((&p2)) - p2.udpvars.hlen;
|
|
p2.proto = IPPROTO_UDP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert udp any any -> any any "
|
|
"(content:\"/one/\"; udpv6-csum:invalid; "
|
|
"msg:\"udpv6-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert udp any any -> any any "
|
|
"(content:\"/one/\"; udpv6-csum:valid; "
|
|
"msg:\"udpv6-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest34ICMPV4Keyword(void)
|
|
{
|
|
uint8_t valid_raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x01, 0x3c, 0xa7, 0x7f, 0x00, 0x00, 0x01,
|
|
0x7f, 0x00, 0x00, 0x01, 0x08, 0x00, 0xc3, 0x01,
|
|
0x2b, 0x36, 0x00, 0x01, 0x3f, 0x16, 0x9a, 0x4a,
|
|
0x41, 0x63, 0x04, 0x00, 0x08, 0x09, 0x0a, 0x0b,
|
|
0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
|
|
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
|
|
0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
|
|
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
|
|
0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33,
|
|
0x34, 0x35, 0x36, 0x37};
|
|
|
|
uint8_t invalid_raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x01, 0x3c, 0xa7, 0x7f, 0x00, 0x00, 0x01,
|
|
0x7f, 0x00, 0x00, 0x01, 0x08, 0x00, 0xc3, 0x01,
|
|
0x2b, 0x36, 0x00, 0x01, 0x3f, 0x16, 0x9a, 0x4a,
|
|
0x41, 0x63, 0x04, 0x00, 0x08, 0x09, 0x0a, 0x0b,
|
|
0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
|
|
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
|
|
0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
|
|
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
|
|
0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33,
|
|
0x34, 0x35, 0x36, 0x38};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.icmpv4c.comp_csum = -1;
|
|
p1.ip4h = (IPV4Hdr *)(valid_raw_ipv4);
|
|
p1.icmpv4h = (ICMPV4Hdr *) (valid_raw_ipv4 + IPV4_GET_RAW_HLEN(p1.ip4h) * 4);
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_ICMP;
|
|
|
|
p2.icmpv4c.comp_csum = -1;
|
|
p2.ip4h = (IPV4Hdr *)(invalid_raw_ipv4);
|
|
p2.icmpv4h = (ICMPV4Hdr *) (invalid_raw_ipv4 + IPV4_GET_RAW_HLEN(p2.ip4h) * 4);
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = buflen;
|
|
p2.proto = IPPROTO_ICMP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert icmp any any -> any any "
|
|
"(content:\"/one/\"; icmpv4-csum:valid; "
|
|
"msg:\"icmpv4-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert icmp any any -> any any "
|
|
"(content:\"/one/\"; icmpv4-csum:invalid; "
|
|
"msg:\"icmpv4-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest35NegativeICMPV4Keyword(void)
|
|
{
|
|
uint8_t valid_raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x01, 0x3c, 0xa7, 0x7f, 0x00, 0x00, 0x01,
|
|
0x7f, 0x00, 0x00, 0x01, 0x08, 0x00, 0xc3, 0x01,
|
|
0x2b, 0x36, 0x00, 0x01, 0x3f, 0x16, 0x9a, 0x4a,
|
|
0x41, 0x63, 0x04, 0x00, 0x08, 0x09, 0x0a, 0x0b,
|
|
0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
|
|
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
|
|
0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
|
|
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
|
|
0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33,
|
|
0x34, 0x35, 0x36, 0x37};
|
|
|
|
uint8_t invalid_raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x01, 0x3c, 0xa7, 0x7f, 0x00, 0x00, 0x01,
|
|
0x7f, 0x00, 0x00, 0x01, 0x08, 0x00, 0xc3, 0x01,
|
|
0x2b, 0x36, 0x00, 0x01, 0x3f, 0x16, 0x9a, 0x4a,
|
|
0x41, 0x63, 0x04, 0x00, 0x08, 0x09, 0x0a, 0x0b,
|
|
0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
|
|
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
|
|
0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
|
|
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
|
|
0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33,
|
|
0x34, 0x35, 0x36, 0x38};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.icmpv4c.comp_csum = -1;
|
|
p1.ip4h = (IPV4Hdr *)(valid_raw_ipv4);
|
|
p1.icmpv4h = (ICMPV4Hdr *) (valid_raw_ipv4 + IPV4_GET_RAW_HLEN(p1.ip4h) * 4);
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_ICMP;
|
|
|
|
p2.icmpv4c.comp_csum = -1;
|
|
p2.ip4h = (IPV4Hdr *)(invalid_raw_ipv4);
|
|
p2.icmpv4h = (ICMPV4Hdr *) (invalid_raw_ipv4 + IPV4_GET_RAW_HLEN(p2.ip4h) * 4);
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = buflen;
|
|
p2.proto = IPPROTO_ICMP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert icmp any any -> any any "
|
|
"(content:\"/one/\"; icmpv4-csum:invalid; "
|
|
"msg:\"icmpv4-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert icmp any any -> any any "
|
|
"(content:\"/one/\"; icmpv4-csum:valid; "
|
|
"msg:\"icmpv4-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 0;
|
|
else {
|
|
result &= 1;
|
|
}
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest36ICMPV6Keyword(void)
|
|
{
|
|
uint8_t valid_raw_ipv6[] = {
|
|
0x00, 0x00, 0x86, 0x05, 0x80, 0xda, 0x00, 0x60,
|
|
0x97, 0x07, 0x69, 0xea, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x44, 0x3a, 0x40, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x60,
|
|
0x97, 0xff, 0xfe, 0x07, 0x69, 0xea, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x03, 0x00,
|
|
0xf7, 0x52, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x11, 0x01, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0xa0, 0x75,
|
|
0x82, 0x9b, 0x00, 0x14, 0x82, 0x8b, 0x01, 0x01,
|
|
0x00, 0x00, 0xf9, 0xc8, 0xe7, 0x36, 0xf5, 0xed,
|
|
0x08, 0x00};
|
|
|
|
uint8_t invalid_raw_ipv6[] = {
|
|
0x00, 0x00, 0x86, 0x05, 0x80, 0xda, 0x00, 0x60,
|
|
0x97, 0x07, 0x69, 0xea, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x44, 0x3a, 0x40, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x60,
|
|
0x97, 0xff, 0xfe, 0x07, 0x69, 0xea, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x03, 0x00,
|
|
0xf7, 0x52, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x11, 0x01, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0xa0, 0x75,
|
|
0x82, 0x9b, 0x00, 0x14, 0x82, 0x8b, 0x01, 0x01,
|
|
0x00, 0x00, 0xf9, 0xc8, 0xe7, 0x36, 0xf5, 0xed,
|
|
0x08, 0x01};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.icmpv6c.comp_csum = -1;
|
|
p1.ip6h = (IPV6Hdr *)(valid_raw_ipv6 + 14);
|
|
p1.icmpv6h = (ICMPV6Hdr *) (valid_raw_ipv6 + 54);
|
|
p1.ip6c.plen = IPV6_GET_PLEN(&(p1));
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_ICMPV6;
|
|
|
|
p2.icmpv6c.comp_csum = -1;
|
|
p2.ip6h = (IPV6Hdr *)(invalid_raw_ipv6 + 14);
|
|
p2.icmpv6h = (ICMPV6Hdr *) (invalid_raw_ipv6 + 54);
|
|
p2.ip6c.plen = IPV6_GET_PLEN(&(p2));
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = buflen;
|
|
p2.proto = IPPROTO_ICMPV6;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert icmpv6 any any -> any any "
|
|
"(content:\"/one/\"; icmpv6-csum:valid; "
|
|
"msg:\"icmpv6-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert icmpv6 any any -> any any "
|
|
"(content:\"/one/\"; icmpv6-csum:invalid; "
|
|
"msg:\"icmpv6-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 1;
|
|
else
|
|
result &= 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest37NegativeICMPV6Keyword(void)
|
|
{
|
|
uint8_t valid_raw_ipv6[] = {
|
|
0x00, 0x00, 0x86, 0x05, 0x80, 0xda, 0x00, 0x60,
|
|
0x97, 0x07, 0x69, 0xea, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x44, 0x3a, 0x40, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x60,
|
|
0x97, 0xff, 0xfe, 0x07, 0x69, 0xea, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x03, 0x00,
|
|
0xf7, 0x52, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x11, 0x01, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0xa0, 0x75,
|
|
0x82, 0x9b, 0x00, 0x14, 0x82, 0x8b, 0x01, 0x01,
|
|
0x00, 0x00, 0xf9, 0xc8, 0xe7, 0x36, 0xf5, 0xed,
|
|
0x08, 0x00};
|
|
|
|
uint8_t invalid_raw_ipv6[] = {
|
|
0x00, 0x00, 0x86, 0x05, 0x80, 0xda, 0x00, 0x60,
|
|
0x97, 0x07, 0x69, 0xea, 0x86, 0xdd, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x44, 0x3a, 0x40, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x60,
|
|
0x97, 0xff, 0xfe, 0x07, 0x69, 0xea, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x03, 0x00,
|
|
0xf7, 0x52, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x11, 0x01, 0x3f, 0xfe,
|
|
0x05, 0x07, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00,
|
|
0x86, 0xff, 0xfe, 0x05, 0x80, 0xda, 0x3f, 0xfe,
|
|
0x05, 0x01, 0x04, 0x10, 0x00, 0x00, 0x02, 0xc0,
|
|
0xdf, 0xff, 0xfe, 0x47, 0x03, 0x3e, 0xa0, 0x75,
|
|
0x82, 0x9b, 0x00, 0x14, 0x82, 0x8b, 0x01, 0x01,
|
|
0x00, 0x00, 0xf9, 0xc8, 0xe7, 0x36, 0xf5, 0xed,
|
|
0x08, 0x01};
|
|
|
|
Packet p1, p2;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
uint8_t *buf = (uint8_t *)"GET /one/ HTTP/1.0\r\n"
|
|
"\r\n\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
memset(&p2, 0, sizeof(Packet));
|
|
|
|
p1.icmpv6c.comp_csum = -1;
|
|
p1.ip6h = (IPV6Hdr *)(valid_raw_ipv6 + 14);
|
|
p1.icmpv6h = (ICMPV6Hdr *) (valid_raw_ipv6 + 54);
|
|
p1.ip6c.plen = IPV6_GET_PLEN(&(p1));
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = buf;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_ICMPV6;
|
|
|
|
p2.icmpv6c.comp_csum = -1;
|
|
p2.ip6h = (IPV6Hdr *)(invalid_raw_ipv6 + 14);
|
|
p2.icmpv6h = (ICMPV6Hdr *) (invalid_raw_ipv6 + 54);
|
|
p2.ip6c.plen = IPV6_GET_PLEN(&(p2));
|
|
p2.src.family = AF_INET;
|
|
p2.dst.family = AF_INET;
|
|
p2.payload = buf;
|
|
p2.payload_len = buflen;
|
|
p2.proto = IPPROTO_ICMPV6;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert icmpv6 any any -> any any "
|
|
"(content:\"/one/\"; icmpv6-csum:invalid; "
|
|
"msg:\"icmpv6-csum keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert icmpv6 any any -> any any "
|
|
"(content:\"/one/\"; icmpv6-csum:valid; "
|
|
"msg:\"icmpv6-csum keyword check(1)\"; "
|
|
"sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p2);
|
|
if (PacketAlertCheck(&p2, 2))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
int SigTest38Real(int mpm_type)
|
|
{
|
|
Packet p1;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
uint8_t raw_eth[] = {
|
|
0x00, 0x00, 0x03, 0x04, 0x00, 0x06, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x08, 0x00
|
|
};
|
|
uint8_t raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x7d, 0xd8, 0xf3, 0x40, 0x00,
|
|
0x40, 0x06, 0x63, 0x85, 0x7f, 0x00, 0x00, 0x01,
|
|
0x7f, 0x00, 0x00, 0x01
|
|
};
|
|
uint8_t raw_tcp[] = {
|
|
0xad, 0x22, 0x04, 0x00, 0x16, 0x39, 0x72,
|
|
0xe2, 0x16, 0x1f, 0x79, 0x84, 0x80, 0x18,
|
|
0x01, 0x01, 0xfe, 0x71, 0x00, 0x00, 0x01,
|
|
0x01, 0x08, 0x0a, 0x00, 0x22, 0xaa, 0x10,
|
|
0x00, 0x22, 0xaa, 0x10
|
|
};
|
|
uint8_t buf[] = {
|
|
0x00, 0x00, 0x00, 0x08, 0x62, 0x6f, 0x6f,
|
|
0x65, 0x65, 0x6b, 0x0d, 0x0a, 0x4c, 0x45,
|
|
0x4e, 0x31, 0x20, 0x38, 0x0d, 0x0a, 0x66,
|
|
0x6f, 0x6f, 0x62, 0x61, 0x72, 0x0d, 0x0a,
|
|
0x4c, 0x45, 0x4e, 0x32, 0x20, 0x39, 0x39,
|
|
0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39,
|
|
0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39,
|
|
0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39,
|
|
0x39, 0x39, 0x39, 0x0d, 0x0a, 0x41, 0x41,
|
|
0x41, 0x41, 0x41, 0x41, 0x0d, 0x0a, 0x0d,
|
|
0x0a, 0x0d, 0x0a
|
|
};
|
|
uint16_t ethlen = sizeof(raw_eth);
|
|
uint16_t ipv4len = sizeof(raw_ipv4);
|
|
uint16_t tcplen = sizeof(raw_tcp);
|
|
uint16_t buflen = sizeof(buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
|
|
/* Copy raw data into packet */
|
|
memcpy(&p1.pkt, raw_eth, ethlen);
|
|
memcpy(p1.pkt + ethlen, raw_ipv4, ipv4len);
|
|
memcpy(p1.pkt + ethlen + ipv4len, raw_tcp, tcplen);
|
|
memcpy(p1.pkt + ethlen + ipv4len + tcplen, buf, buflen);
|
|
p1.pktlen = ethlen + ipv4len + tcplen + buflen;
|
|
|
|
p1.tcpc.comp_csum = -1;
|
|
p1.ethh = (EthernetHdr *)raw_eth;
|
|
p1.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p1.tcph = (TCPHdr *)raw_tcp;
|
|
//p1.tcpvars.hlen = TCP_GET_HLEN((&p));
|
|
p1.tcpvars.hlen = 0;
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = p1.pkt + ethlen + ipv4len + tcplen;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"LEN1|20|\"; "
|
|
"byte_test:4,=,8,0; "
|
|
"msg:\"byte_test keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"LEN1|20|\"; "
|
|
"byte_test:4,=,8,5,relative,string,dec; "
|
|
"msg:\"byte_test keyword check(2)\"; sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1)) {
|
|
result = 1;
|
|
} else {
|
|
result = 0;
|
|
printf("sid 1 didn't alert, but should have: ");
|
|
goto cleanup;
|
|
}
|
|
if (PacketAlertCheck(&p1, 2)) {
|
|
result = 1;
|
|
} else {
|
|
result = 0;
|
|
printf("sid 2 didn't alert, but should have: ");
|
|
goto cleanup;
|
|
}
|
|
|
|
cleanup:
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest38B2g (void) {
|
|
return SigTest38Real(MPM_B2G);
|
|
}
|
|
static int SigTest38B3g (void) {
|
|
return SigTest38Real(MPM_B3G);
|
|
}
|
|
static int SigTest38Wm (void) {
|
|
return SigTest38Real(MPM_WUMANBER);
|
|
}
|
|
|
|
int SigTest39Real(int mpm_type)
|
|
{
|
|
Packet p1;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
uint8_t raw_eth[] = {
|
|
0x00, 0x00, 0x03, 0x04, 0x00, 0x06, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x08, 0x00
|
|
};
|
|
uint8_t raw_ipv4[] = {
|
|
0x45, 0x00, 0x00, 0x7d, 0xd8, 0xf3, 0x40, 0x00,
|
|
0x40, 0x06, 0x63, 0x85, 0x7f, 0x00, 0x00, 0x01,
|
|
0x7f, 0x00, 0x00, 0x01
|
|
};
|
|
uint8_t raw_tcp[] = {
|
|
0xad, 0x22, 0x04, 0x00, 0x16, 0x39, 0x72,
|
|
0xe2, 0x16, 0x1f, 0x79, 0x84, 0x80, 0x18,
|
|
0x01, 0x01, 0xfe, 0x71, 0x00, 0x00, 0x01,
|
|
0x01, 0x08, 0x0a, 0x00, 0x22, 0xaa, 0x10,
|
|
0x00, 0x22, 0xaa, 0x10
|
|
};
|
|
uint8_t buf[] = {
|
|
0x00, 0x00, 0x00, 0x08, 0x62, 0x6f, 0x6f,
|
|
0x65, 0x65, 0x6b, 0x0d, 0x0a, 0x4c, 0x45,
|
|
0x4e, 0x31, 0x20, 0x38, 0x0d, 0x0a, 0x66,
|
|
0x6f, 0x6f, 0x62, 0x61, 0x72, 0x0d, 0x0a,
|
|
0x4c, 0x45, 0x4e, 0x32, 0x20, 0x39, 0x39,
|
|
0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39,
|
|
0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39,
|
|
0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39,
|
|
0x39, 0x39, 0x39, 0x0d, 0x0a, 0x41, 0x41,
|
|
0x41, 0x41, 0x41, 0x41, 0x0d, 0x0a, 0x0d,
|
|
0x0a, 0x0d, 0x0a
|
|
};
|
|
uint16_t ethlen = sizeof(raw_eth);
|
|
uint16_t ipv4len = sizeof(raw_ipv4);
|
|
uint16_t tcplen = sizeof(raw_tcp);
|
|
uint16_t buflen = sizeof(buf);
|
|
|
|
memset(&th_v, 0, sizeof(ThreadVars));
|
|
memset(&p1, 0, sizeof(Packet));
|
|
|
|
/* Copy raw data into packet */
|
|
memcpy(&p1.pkt, raw_eth, ethlen);
|
|
memcpy(p1.pkt + ethlen, raw_ipv4, ipv4len);
|
|
memcpy(p1.pkt + ethlen + ipv4len, raw_tcp, tcplen);
|
|
memcpy(p1.pkt + ethlen + ipv4len + tcplen, buf, buflen);
|
|
p1.pktlen = ethlen + ipv4len + tcplen + buflen;
|
|
|
|
p1.tcpc.comp_csum = -1;
|
|
p1.ethh = (EthernetHdr *)raw_eth;
|
|
p1.ip4h = (IPV4Hdr *)raw_ipv4;
|
|
p1.tcph = (TCPHdr *)raw_tcp;
|
|
//p1.tcpvars.hlen = TCP_GET_HLEN((&p));
|
|
p1.tcpvars.hlen = 0;
|
|
p1.src.family = AF_INET;
|
|
p1.dst.family = AF_INET;
|
|
p1.payload = p1.pkt + ethlen + ipv4len + tcplen;
|
|
p1.payload_len = buflen;
|
|
p1.proto = IPPROTO_TCP;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"LEN1|20|\"; "
|
|
"byte_test:4,=,8,0; "
|
|
"byte_jump:4,0; "
|
|
"byte_test:6,=,0x4c454e312038,0,relative; "
|
|
"msg:\"byte_jump keyword check(1)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
// XXX TODO
|
|
de_ctx->sig_list->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(content:\"LEN1|20|\"; "
|
|
"byte_test:4,=,8,4,relative,string,dec; "
|
|
"byte_jump:4,4,relative,string,dec,post_offset 2; "
|
|
"byte_test:4,=,0x4c454e32,0,relative; "
|
|
"msg:\"byte_jump keyword check(2)\"; sid:2;)");
|
|
if (de_ctx->sig_list->next == NULL) {
|
|
result &= 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p1);
|
|
if (PacketAlertCheck(&p1, 1)) {
|
|
result = 1;
|
|
} else {
|
|
result = 0;
|
|
printf("sid 1 didn't alert, but should have: ");
|
|
goto cleanup;
|
|
}
|
|
if (PacketAlertCheck(&p1, 2)) {
|
|
result = 1;
|
|
} else {
|
|
result = 0;
|
|
printf("sid 2 didn't alert, but should have: ");
|
|
goto cleanup;
|
|
}
|
|
|
|
cleanup:
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
end:
|
|
return result;
|
|
}
|
|
static int SigTest39B2g (void) {
|
|
return SigTest39Real(MPM_B2G);
|
|
}
|
|
static int SigTest39B3g (void) {
|
|
return SigTest39Real(MPM_B3G);
|
|
}
|
|
static int SigTest39Wm (void) {
|
|
return SigTest39Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* \test SigTest36ContentAndIsdataatKeywords01 is a test to check window with constructed packets,
|
|
* \brief expecting to match a size
|
|
*/
|
|
|
|
int SigTest36ContentAndIsdataatKeywords01Real (int mpm_type) {
|
|
int result = 0;
|
|
|
|
// Buid and decode the packet
|
|
|
|
uint8_t raw_eth [] = {
|
|
0x00,0x25,0x00,0x9e,0xfa,0xfe,0x00,0x02,0xcf,0x74,0xfe,0xe1,0x08,0x00,0x45,0x00
|
|
,0x01,0xcc,0xcb,0x91,0x00,0x00,0x34,0x06,0xdf,0xa8,0xd1,0x55,0xe3,0x67,0xc0,0xa8
|
|
,0x64,0x8c,0x00,0x50,0xc0,0xb7,0xd1,0x11,0xed,0x63,0x81,0xa9,0x9a,0x05,0x80,0x18
|
|
,0x00,0x75,0x0a,0xdd,0x00,0x00,0x01,0x01,0x08,0x0a,0x09,0x8a,0x06,0xd0,0x12,0x21
|
|
,0x2a,0x3b,0x48,0x54,0x54,0x50,0x2f,0x31,0x2e,0x31,0x20,0x33,0x30,0x32,0x20,0x46
|
|
,0x6f,0x75,0x6e,0x64,0x0d,0x0a,0x4c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x3a,0x20
|
|
,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x77,0x77,0x77,0x2e,0x67,0x6f,0x6f,0x67,0x6c
|
|
,0x65,0x2e,0x65,0x73,0x2f,0x0d,0x0a,0x43,0x61,0x63,0x68,0x65,0x2d,0x43,0x6f,0x6e
|
|
,0x74,0x72,0x6f,0x6c,0x3a,0x20,0x70,0x72,0x69,0x76,0x61,0x74,0x65,0x0d,0x0a,0x43
|
|
,0x6f,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x54,0x79,0x70,0x65,0x3a,0x20,0x74,0x65,0x78
|
|
,0x74,0x2f,0x68,0x74,0x6d,0x6c,0x3b,0x20,0x63,0x68,0x61,0x72,0x73,0x65,0x74,0x3d
|
|
,0x55,0x54,0x46,0x2d,0x38,0x0d,0x0a,0x44,0x61,0x74,0x65,0x3a,0x20,0x4d,0x6f,0x6e
|
|
,0x2c,0x20,0x31,0x34,0x20,0x53,0x65,0x70,0x20,0x32,0x30,0x30,0x39,0x20,0x30,0x38
|
|
,0x3a,0x34,0x38,0x3a,0x33,0x31,0x20,0x47,0x4d,0x54,0x0d,0x0a,0x53,0x65,0x72,0x76
|
|
,0x65,0x72,0x3a,0x20,0x67,0x77,0x73,0x0d,0x0a,0x43,0x6f,0x6e,0x74,0x65,0x6e,0x74
|
|
,0x2d,0x4c,0x65,0x6e,0x67,0x74,0x68,0x3a,0x20,0x32,0x31,0x38,0x0d,0x0a,0x0d,0x0a
|
|
,0x3c,0x48,0x54,0x4d,0x4c,0x3e,0x3c,0x48,0x45,0x41,0x44,0x3e,0x3c,0x6d,0x65,0x74
|
|
,0x61,0x20,0x68,0x74,0x74,0x70,0x2d,0x65,0x71,0x75,0x69,0x76,0x3d,0x22,0x63,0x6f
|
|
,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x74,0x79,0x70,0x65,0x22,0x20,0x63,0x6f,0x6e,0x74
|
|
,0x65,0x6e,0x74,0x3d,0x22,0x74,0x65,0x78,0x74,0x2f,0x68,0x74,0x6d,0x6c,0x3b,0x63
|
|
,0x68,0x61,0x72,0x73,0x65,0x74,0x3d,0x75,0x74,0x66,0x2d,0x38,0x22,0x3e,0x0a,0x3c
|
|
,0x54,0x49,0x54,0x4c,0x45,0x3e,0x33,0x30,0x32,0x20,0x4d,0x6f,0x76,0x65,0x64,0x3c
|
|
,0x2f,0x54,0x49,0x54,0x4c,0x45,0x3e,0x3c,0x2f,0x48,0x45,0x41,0x44,0x3e,0x3c,0x42
|
|
,0x4f,0x44,0x59,0x3e,0x0a,0x3c,0x48,0x31,0x3e,0x33,0x30,0x32,0x20,0x4d,0x6f,0x76
|
|
,0x65,0x64,0x3c,0x2f,0x48,0x31,0x3e,0x0a,0x54,0x68,0x65,0x20,0x64,0x6f,0x63,0x75
|
|
,0x6d,0x65,0x6e,0x74,0x20,0x68,0x61,0x73,0x20,0x6d,0x6f,0x76,0x65,0x64,0x0a,0x3c
|
|
,0x41,0x20,0x48,0x52,0x45,0x46,0x3d,0x22,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x77
|
|
,0x77,0x77,0x2e,0x67,0x6f,0x6f,0x67,0x6c,0x65,0x2e,0x65,0x73,0x2f,0x22,0x3e,0x68
|
|
,0x65,0x72,0x65,0x3c,0x2f,0x41,0x3e,0x2e,0x0d,0x0a,0x3c,0x2f,0x42,0x4f,0x44,0x59
|
|
,0x3e,0x3c,0x2f,0x48,0x54,0x4d,0x4c,0x3e,0x0d,0x0a };
|
|
|
|
Packet p;
|
|
DecodeThreadVars dtv;
|
|
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
|
|
memset(&p, 0, sizeof(Packet));
|
|
memset(&dtv, 0, sizeof(DecodeThreadVars));
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
|
|
FlowInitConfig(FLOW_QUIET);
|
|
DecodeEthernet(&th_v, &dtv, &p, raw_eth, sizeof(raw_eth), NULL);
|
|
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"SigTest36ContentAndIsdataatKeywords01 \"; content:\"HTTP\"; isdataat:404, relative; sid:101;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 101) == 0) {
|
|
result = 0;
|
|
goto end;
|
|
} else {
|
|
result=1;
|
|
}
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
FlowShutdown();
|
|
|
|
return result;
|
|
|
|
end:
|
|
if(de_ctx)
|
|
{
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
}
|
|
|
|
if(det_ctx)
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
|
|
PatternMatchDestroy(mpm_ctx);
|
|
|
|
if(de_ctx)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
FlowShutdown();
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
/**
|
|
* \test SigTest37ContentAndIsdataatKeywords02 is a test to check window with constructed packets,
|
|
* \brief not expecting to match a size
|
|
*/
|
|
|
|
int SigTest37ContentAndIsdataatKeywords02Real (int mpm_type) {
|
|
int result = 0;
|
|
|
|
// Buid and decode the packet
|
|
|
|
uint8_t raw_eth [] = {
|
|
0x00,0x25,0x00,0x9e,0xfa,0xfe,0x00,0x02,0xcf,0x74,0xfe,0xe1,0x08,0x00,0x45,0x00
|
|
,0x01,0xcc,0xcb,0x91,0x00,0x00,0x34,0x06,0xdf,0xa8,0xd1,0x55,0xe3,0x67,0xc0,0xa8
|
|
,0x64,0x8c,0x00,0x50,0xc0,0xb7,0xd1,0x11,0xed,0x63,0x81,0xa9,0x9a,0x05,0x80,0x18
|
|
,0x00,0x75,0x0a,0xdd,0x00,0x00,0x01,0x01,0x08,0x0a,0x09,0x8a,0x06,0xd0,0x12,0x21
|
|
,0x2a,0x3b,0x48,0x54,0x54,0x50,0x2f,0x31,0x2e,0x31,0x20,0x33,0x30,0x32,0x20,0x46
|
|
,0x6f,0x75,0x6e,0x64,0x0d,0x0a,0x4c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x3a,0x20
|
|
,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x77,0x77,0x77,0x2e,0x67,0x6f,0x6f,0x67,0x6c
|
|
,0x65,0x2e,0x65,0x73,0x2f,0x0d,0x0a,0x43,0x61,0x63,0x68,0x65,0x2d,0x43,0x6f,0x6e
|
|
,0x74,0x72,0x6f,0x6c,0x3a,0x20,0x70,0x72,0x69,0x76,0x61,0x74,0x65,0x0d,0x0a,0x43
|
|
,0x6f,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x54,0x79,0x70,0x65,0x3a,0x20,0x74,0x65,0x78
|
|
,0x74,0x2f,0x68,0x74,0x6d,0x6c,0x3b,0x20,0x63,0x68,0x61,0x72,0x73,0x65,0x74,0x3d
|
|
,0x55,0x54,0x46,0x2d,0x38,0x0d,0x0a,0x44,0x61,0x74,0x65,0x3a,0x20,0x4d,0x6f,0x6e
|
|
,0x2c,0x20,0x31,0x34,0x20,0x53,0x65,0x70,0x20,0x32,0x30,0x30,0x39,0x20,0x30,0x38
|
|
,0x3a,0x34,0x38,0x3a,0x33,0x31,0x20,0x47,0x4d,0x54,0x0d,0x0a,0x53,0x65,0x72,0x76
|
|
,0x65,0x72,0x3a,0x20,0x67,0x77,0x73,0x0d,0x0a,0x43,0x6f,0x6e,0x74,0x65,0x6e,0x74
|
|
,0x2d,0x4c,0x65,0x6e,0x67,0x74,0x68,0x3a,0x20,0x32,0x31,0x38,0x0d,0x0a,0x0d,0x0a
|
|
,0x3c,0x48,0x54,0x4d,0x4c,0x3e,0x3c,0x48,0x45,0x41,0x44,0x3e,0x3c,0x6d,0x65,0x74
|
|
,0x61,0x20,0x68,0x74,0x74,0x70,0x2d,0x65,0x71,0x75,0x69,0x76,0x3d,0x22,0x63,0x6f
|
|
,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x74,0x79,0x70,0x65,0x22,0x20,0x63,0x6f,0x6e,0x74
|
|
,0x65,0x6e,0x74,0x3d,0x22,0x74,0x65,0x78,0x74,0x2f,0x68,0x74,0x6d,0x6c,0x3b,0x63
|
|
,0x68,0x61,0x72,0x73,0x65,0x74,0x3d,0x75,0x74,0x66,0x2d,0x38,0x22,0x3e,0x0a,0x3c
|
|
,0x54,0x49,0x54,0x4c,0x45,0x3e,0x33,0x30,0x32,0x20,0x4d,0x6f,0x76,0x65,0x64,0x3c
|
|
,0x2f,0x54,0x49,0x54,0x4c,0x45,0x3e,0x3c,0x2f,0x48,0x45,0x41,0x44,0x3e,0x3c,0x42
|
|
,0x4f,0x44,0x59,0x3e,0x0a,0x3c,0x48,0x31,0x3e,0x33,0x30,0x32,0x20,0x4d,0x6f,0x76
|
|
,0x65,0x64,0x3c,0x2f,0x48,0x31,0x3e,0x0a,0x54,0x68,0x65,0x20,0x64,0x6f,0x63,0x75
|
|
,0x6d,0x65,0x6e,0x74,0x20,0x68,0x61,0x73,0x20,0x6d,0x6f,0x76,0x65,0x64,0x0a,0x3c
|
|
,0x41,0x20,0x48,0x52,0x45,0x46,0x3d,0x22,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x77
|
|
,0x77,0x77,0x2e,0x67,0x6f,0x6f,0x67,0x6c,0x65,0x2e,0x65,0x73,0x2f,0x22,0x3e,0x68
|
|
,0x65,0x72,0x65,0x3c,0x2f,0x41,0x3e,0x2e,0x0d,0x0a,0x3c,0x2f,0x42,0x4f,0x44,0x59
|
|
,0x3e,0x3c,0x2f,0x48,0x54,0x4d,0x4c,0x3e,0x0d,0x0a };
|
|
|
|
Packet p;
|
|
DecodeThreadVars dtv;
|
|
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
|
|
memset(&p, 0, sizeof(Packet));
|
|
memset(&dtv, 0, sizeof(DecodeThreadVars));
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
|
|
FlowInitConfig(FLOW_QUIET);
|
|
DecodeEthernet(&th_v, &dtv, &p, raw_eth, sizeof(raw_eth), NULL);
|
|
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"SigTest36ContentAndIsdataatKeywords01 \"; content:\"HTTP\"; isdataat:500, relative; sid:101;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, mpm_type);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
if (PacketAlertCheck(&p, 101) == 0) {
|
|
result = 1;
|
|
goto end;
|
|
} else {
|
|
result=0;
|
|
}
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
FlowShutdown();
|
|
|
|
return result;
|
|
|
|
end:
|
|
if(de_ctx)
|
|
{
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
}
|
|
|
|
if(det_ctx)
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
|
|
PatternMatchDestroy(mpm_ctx);
|
|
|
|
if(de_ctx)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
FlowShutdown();
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
// Wrapper functions to pass the mpm_type
|
|
static int SigTest36ContentAndIsdataatKeywords01B2g (void) {
|
|
return SigTest36ContentAndIsdataatKeywords01Real(MPM_B2G);
|
|
}
|
|
static int SigTest36ContentAndIsdataatKeywords01B3g (void) {
|
|
return SigTest36ContentAndIsdataatKeywords01Real(MPM_B3G);
|
|
}
|
|
static int SigTest36ContentAndIsdataatKeywords01Wm (void) {
|
|
return SigTest36ContentAndIsdataatKeywords01Real(MPM_WUMANBER);
|
|
}
|
|
|
|
static int SigTest37ContentAndIsdataatKeywords02B2g (void) {
|
|
return SigTest37ContentAndIsdataatKeywords02Real(MPM_B2G);
|
|
}
|
|
static int SigTest37ContentAndIsdataatKeywords02B3g (void) {
|
|
return SigTest37ContentAndIsdataatKeywords02Real(MPM_B3G);
|
|
}
|
|
static int SigTest37ContentAndIsdataatKeywords02Wm (void) {
|
|
return SigTest37ContentAndIsdataatKeywords02Real(MPM_WUMANBER);
|
|
}
|
|
|
|
|
|
/**
|
|
* \test SigTest41NoPacketInspection is a test to check that when PKT_NOPACKET_INSPECTION
|
|
* flag is set, we don't need to inspect the packet protocol header or its contents.
|
|
*/
|
|
|
|
int SigTest40NoPacketInspection01(void) {
|
|
|
|
uint8_t *buf = (uint8_t *)
|
|
"220 (vsFTPd 2.0.5)\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
PacketQueue pq;
|
|
int result = 0;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
memset(&pq, 0, sizeof(pq));
|
|
|
|
p.src.family = AF_INET;
|
|
p.src.addr_data32[0] = 0x0102080a;
|
|
p.dst.addr_data32[0] = 0x04030201;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
p.dp = 34260;
|
|
p.sp = 21;
|
|
p.flowflags |= FLOW_PKT_TOSERVER;
|
|
p.flags |= PKT_NOPACKET_INSPECTION;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> 1.2.3.4 any (msg:\"No Packet Inspection Test\"; sid:2; rev:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx, MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx,(void *)&det_ctx);
|
|
//DetectEngineIPOnlyThreadInit(de_ctx,&det_ctx->io_ctx);
|
|
det_ctx->de_ctx = de_ctx;
|
|
|
|
Detect(&th_v, &p, det_ctx, &pq);
|
|
if (PacketAlertCheck(&p, 2))
|
|
result = 0;
|
|
else
|
|
result = 1;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test SigTest42NoPayloadInspection is a test to check that when PKT_NOPAYLOAD_INSPECTION
|
|
* flasg is set, we don't need to inspect the packet contents.
|
|
*/
|
|
|
|
int SigTest40NoPayloadInspection02(void) {
|
|
|
|
uint8_t *buf = (uint8_t *)
|
|
"220 (vsFTPd 2.0.5)\r\n";
|
|
uint16_t buflen = strlen((char *)buf);
|
|
Packet p;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
int result = 1;
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
p.src.family = AF_INET;
|
|
p.dst.family = AF_INET;
|
|
p.payload = buf;
|
|
p.payload_len = buflen;
|
|
p.proto = IPPROTO_TCP;
|
|
p.flags |= PKT_NOPAYLOAD_INSPECTION;
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"No Payload TEST\"; content:\"220 (vsFTPd 2.0.5)\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
sigmatch_table[DETECT_CONTENT].flags |= SIGMATCH_PAYLOAD;
|
|
de_ctx->sig_list->match->type = DETECT_CONTENT;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
PatternMatchPrepare(mpm_ctx,MPM_B2G);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
if (!(de_ctx->sig_list->flags & SIG_FLAG_PAYLOAD))
|
|
result = 0;
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
|
|
|
if (PacketAlertCheck(&p, 1))
|
|
result &= 0;
|
|
else
|
|
result &= 1;
|
|
|
|
if (det_ctx->pkts_scanned == 1)
|
|
result &= 0;
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
PatternMatchDestroy(mpm_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
end:
|
|
return result;
|
|
}
|
|
|
|
#endif /* UNITTESTS */
|
|
|
|
void SigRegisterTests(void) {
|
|
#ifdef UNITTESTS
|
|
SigParseRegisterTests();
|
|
IPOnlyRegisterTests();
|
|
|
|
UtRegisterTest("SigTest01B2g -- HTTP URI cap", SigTest01B2g, 1);
|
|
UtRegisterTest("SigTest01B3g -- HTTP URI cap", SigTest01B3g, 1);
|
|
UtRegisterTest("SigTest01Wm -- HTTP URI cap", SigTest01Wm, 1);
|
|
|
|
UtRegisterTest("SigTest02B2g -- Offset/Depth match", SigTest02B2g, 1);
|
|
UtRegisterTest("SigTest02B3g -- Offset/Depth match", SigTest02B3g, 1);
|
|
UtRegisterTest("SigTest02Wm -- Offset/Depth match", SigTest02Wm, 1);
|
|
|
|
UtRegisterTest("SigTest03B2g -- offset/depth mismatch", SigTest03B2g, 1);
|
|
UtRegisterTest("SigTest03B3g -- offset/depth mismatch", SigTest03B3g, 1);
|
|
UtRegisterTest("SigTest03Wm -- offset/depth mismatch", SigTest03Wm, 1);
|
|
|
|
UtRegisterTest("SigTest04B2g -- distance/within match", SigTest04B2g, 1);
|
|
UtRegisterTest("SigTest04B3g -- distance/within match", SigTest04B3g, 1);
|
|
UtRegisterTest("SigTest04Wm -- distance/within match", SigTest04Wm, 1);
|
|
|
|
UtRegisterTest("SigTest05B2g -- distance/within mismatch", SigTest05B2g, 1);
|
|
UtRegisterTest("SigTest05B3g -- distance/within mismatch", SigTest05B3g, 1);
|
|
UtRegisterTest("SigTest05Wm -- distance/within mismatch", SigTest05Wm, 1);
|
|
|
|
UtRegisterTest("SigTest06B2g -- uricontent HTTP/1.1 match test", SigTest06B2g, 1);
|
|
UtRegisterTest("SigTest06B3g -- uricontent HTTP/1.1 match test", SigTest06B3g, 1);
|
|
UtRegisterTest("SigTest06wm -- uricontent HTTP/1.1 match test", SigTest06Wm, 1);
|
|
|
|
UtRegisterTest("SigTest07B2g -- uricontent HTTP/1.1 mismatch test", SigTest07B2g, 1);
|
|
UtRegisterTest("SigTest07B3g -- uricontent HTTP/1.1 mismatch test", SigTest07B3g, 1);
|
|
UtRegisterTest("SigTest07Wm -- uricontent HTTP/1.1 mismatch test", SigTest07Wm, 1);
|
|
|
|
UtRegisterTest("SigTest08B2g -- uricontent HTTP/1.0 match test", SigTest08B2g, 1);
|
|
UtRegisterTest("SigTest08B3g -- uricontent HTTP/1.0 match test", SigTest08B3g, 1);
|
|
UtRegisterTest("SigTest08Wm -- uricontent HTTP/1.0 match test", SigTest08Wm, 1);
|
|
|
|
UtRegisterTest("SigTest09B2g -- uricontent HTTP/1.0 mismatch test", SigTest09B2g, 1);
|
|
UtRegisterTest("SigTest09B3g -- uricontent HTTP/1.0 mismatch test", SigTest09B3g, 1);
|
|
UtRegisterTest("SigTest09Wm -- uricontent HTTP/1.0 mismatch test", SigTest09Wm, 1);
|
|
|
|
UtRegisterTest("SigTest10B2g -- long content match, longer than pkt", SigTest10B2g, 1);
|
|
UtRegisterTest("SigTest10B3g -- long content match, longer than pkt", SigTest10B3g, 1);
|
|
UtRegisterTest("SigTest10Wm -- long content match, longer than pkt", SigTest10Wm, 1);
|
|
|
|
UtRegisterTest("SigTest11B2g -- scan vs search", SigTest11B2g, 1);
|
|
UtRegisterTest("SigTest11B3g -- scan vs search", SigTest11B3g, 1);
|
|
UtRegisterTest("SigTest11Wm -- scan vs search", SigTest11Wm, 1);
|
|
|
|
UtRegisterTest("SigTest12B2g -- content order matching, normal", SigTest12B2g, 1);
|
|
UtRegisterTest("SigTest12B3g -- content order matching, normal", SigTest12B3g, 1);
|
|
UtRegisterTest("SigTest12Wm -- content order matching, normal", SigTest12Wm, 1);
|
|
|
|
UtRegisterTest("SigTest13B2g -- content order matching, diff order", SigTest13B2g, 1);
|
|
UtRegisterTest("SigTest13B3g -- content order matching, diff order", SigTest13B3g, 1);
|
|
UtRegisterTest("SigTest13Wm -- content order matching, diff order", SigTest13Wm, 1);
|
|
|
|
UtRegisterTest("SigTest14B2g -- content order matching, distance 0", SigTest14B2g, 1);
|
|
UtRegisterTest("SigTest14B3g -- content order matching, distance 0", SigTest14B3g, 1);
|
|
UtRegisterTest("SigTest14Wm -- content order matching, distance 0", SigTest14Wm, 1);
|
|
|
|
UtRegisterTest("SigTest15B2g -- port negation sig (no match)", SigTest15B2g, 1);
|
|
UtRegisterTest("SigTest15B3g -- port negation sig (no match)", SigTest15B3g, 1);
|
|
UtRegisterTest("SigTest15Wm -- port negation sig (no match)", SigTest15Wm, 1);
|
|
|
|
UtRegisterTest("SigTest16B2g -- port negation sig (match)", SigTest16B2g, 1);
|
|
UtRegisterTest("SigTest16B3g -- port negation sig (match)", SigTest16B3g, 1);
|
|
UtRegisterTest("SigTest16Wm -- port negation sig (match)", SigTest16Wm, 1);
|
|
|
|
UtRegisterTest("SigTest17B2g -- HTTP Host Pkt var capture", SigTest17B2g, 1);
|
|
UtRegisterTest("SigTest17B3g -- HTTP Host Pkt var capture", SigTest17B3g, 1);
|
|
UtRegisterTest("SigTest17Wm -- HTTP Host Pkt var capture", SigTest17Wm, 1);
|
|
|
|
UtRegisterTest("SigTest18B2g -- Ftp negation sig test", SigTest18B2g, 1);
|
|
UtRegisterTest("SigTest18B3g -- Ftp negation sig test", SigTest18B3g, 1);
|
|
UtRegisterTest("SigTest18Wm -- Ftp negation sig test", SigTest18Wm, 1);
|
|
|
|
UtRegisterTest("SigTest19B2g -- IP-ONLY test (1)", SigTest19B2g, 1);
|
|
UtRegisterTest("SigTest19B3g -- IP-ONLY test (1)", SigTest19B3g, 1);
|
|
UtRegisterTest("SigTest19Wm -- IP-ONLY test (1)", SigTest19Wm, 1);
|
|
|
|
UtRegisterTest("SigTest20B2g -- IP-ONLY test (2)", SigTest20B2g, 1);
|
|
UtRegisterTest("SigTest20B3g -- IP-ONLY test (2)", SigTest20B3g, 1);
|
|
UtRegisterTest("SigTest20Wm -- IP-ONLY test (2)", SigTest20Wm, 1);
|
|
|
|
UtRegisterTest("SigTest21B2g -- FLOWBIT test (1)", SigTest21B2g, 1);
|
|
UtRegisterTest("SigTest21B3g -- FLOWBIT test (1)", SigTest21B3g, 1);
|
|
UtRegisterTest("SigTest21Wm -- FLOWBIT test (1)", SigTest21Wm, 1);
|
|
|
|
UtRegisterTest("SigTest22B2g -- FLOWBIT test (2)", SigTest22B2g, 1);
|
|
UtRegisterTest("SigTest22B3g -- FLOWBIT test (2)", SigTest22B3g, 1);
|
|
UtRegisterTest("SigTest22Wm -- FLOWBIT test (2)", SigTest22Wm, 1);
|
|
|
|
UtRegisterTest("SigTest23B2g -- FLOWBIT test (3)", SigTest23B2g, 1);
|
|
UtRegisterTest("SigTest23B3g -- FLOWBIT test (3)", SigTest23B3g, 1);
|
|
UtRegisterTest("SigTest23Wm -- FLOWBIT test (3)", SigTest23Wm, 1);
|
|
|
|
UtRegisterTest("SigTest24IPV4Keyword", SigTest24IPV4Keyword, 1);
|
|
UtRegisterTest("SigTest25NegativeIPV4Keyword",
|
|
SigTest25NegativeIPV4Keyword, 1);
|
|
|
|
UtRegisterTest("SigTest26TCPV4Keyword", SigTest26TCPV4Keyword, 1);
|
|
UtRegisterTest("SigTest27NegativeTCPV4Keyword",
|
|
SigTest27NegativeTCPV4Keyword, 1);
|
|
|
|
UtRegisterTest("SigTest28TCPV6Keyword", SigTest28TCPV6Keyword, 1);
|
|
UtRegisterTest("SigTest29NegativeTCPV6Keyword",
|
|
SigTest29NegativeTCPV6Keyword, 1);
|
|
|
|
UtRegisterTest("SigTest30UDPV4Keyword", SigTest30UDPV4Keyword, 1);
|
|
UtRegisterTest("SigTest31NegativeUDPV4Keyword",
|
|
SigTest31NegativeUDPV4Keyword, 1);
|
|
|
|
UtRegisterTest("SigTest32UDPV6Keyword", SigTest32UDPV6Keyword, 1);
|
|
UtRegisterTest("SigTest33NegativeUDPV6Keyword",
|
|
SigTest33NegativeUDPV6Keyword, 1);
|
|
|
|
UtRegisterTest("SigTest34ICMPV4Keyword", SigTest34ICMPV4Keyword, 1);
|
|
UtRegisterTest("SigTest35NegativeICMPV4Keyword",
|
|
SigTest35NegativeICMPV4Keyword, 1);
|
|
|
|
/* The following tests check content options with isdataat options
|
|
relative to that content match
|
|
*/
|
|
|
|
UtRegisterTest("SigTest36ContentAndIsdataatKeywords01B2g",
|
|
SigTest36ContentAndIsdataatKeywords01B2g, 1);
|
|
UtRegisterTest("SigTest36ContentAndIsdataatKeywords01B3g",
|
|
SigTest36ContentAndIsdataatKeywords01B3g, 1);
|
|
UtRegisterTest("SigTest36ContentAndIsdataatKeywords01Wm" ,
|
|
SigTest36ContentAndIsdataatKeywords01Wm, 1);
|
|
|
|
UtRegisterTest("SigTest37ContentAndIsdataatKeywords02B2g",
|
|
SigTest37ContentAndIsdataatKeywords02B2g, 1);
|
|
UtRegisterTest("SigTest37ContentAndIsdataatKeywords02B3g",
|
|
SigTest37ContentAndIsdataatKeywords02B3g, 1);
|
|
UtRegisterTest("SigTest37ContentAndIsdataatKeywords02Wm" ,
|
|
SigTest37ContentAndIsdataatKeywords02Wm, 1);
|
|
|
|
/* We need to enable these tests, as soon as we add the ICMPv6 protocol
|
|
support in our rules engine */
|
|
//UtRegisterTest("SigTest36ICMPV6Keyword", SigTest36ICMPV6Keyword, 1);
|
|
//UtRegisterTest("SigTest37NegativeICMPV6Keyword",
|
|
// SigTest37NegativeICMPV6Keyword, 1);
|
|
|
|
UtRegisterTest("SigTest38B2g -- byte_test test (1)", SigTest38B2g, 1);
|
|
UtRegisterTest("SigTest38B3g -- byte_test test (1)", SigTest38B3g, 1);
|
|
UtRegisterTest("SigTest38Wm -- byte_test test (1)", SigTest38Wm, 1);
|
|
|
|
UtRegisterTest("SigTest39B2g -- byte_jump test (2)", SigTest39B2g, 1);
|
|
UtRegisterTest("SigTest39B3g -- byte_jump test (2)", SigTest39B3g, 1);
|
|
UtRegisterTest("SigTest39Wm -- byte_jump test (2)", SigTest39Wm, 1);
|
|
|
|
UtRegisterTest("SigTest40NoPacketInspection01", SigTest40NoPacketInspection01, 1);
|
|
UtRegisterTest("SigTest40NoPayloadInspection02", SigTest40NoPayloadInspection02, 1);
|
|
#endif /* UNITTESTS */
|
|
}
|
|
|