mirror of https://github.com/OISF/suricata
Alert/HTTP/DNS JSON output working with Logstash
parent
5543b6eef4
commit
0df6af3a0b
@ -0,0 +1,721 @@
|
||||
/* Copyright (C) 2007-2013 Open Information Security Foundation
|
||||
*
|
||||
* You can copy, redistribute or modify this Program under the terms of
|
||||
* the GNU General Public License version 2 as published by the Free
|
||||
* Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* version 2 along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
*
|
||||
* \author Victor Julien <victor@inliniac.net>
|
||||
*
|
||||
* Implements dns logging portion of the engine.
|
||||
*/
|
||||
|
||||
#include "suricata-common.h"
|
||||
#include "debug.h"
|
||||
#include "detect.h"
|
||||
#include "pkt-var.h"
|
||||
#include "conf.h"
|
||||
|
||||
#include "threads.h"
|
||||
#include "threadvars.h"
|
||||
#include "tm-threads.h"
|
||||
|
||||
#include "util-print.h"
|
||||
#include "util-unittest.h"
|
||||
|
||||
#include "util-debug.h"
|
||||
|
||||
#include "output.h"
|
||||
#include "output-dnslog.h"
|
||||
#include "app-layer-dns-udp.h"
|
||||
#include "app-layer.h"
|
||||
#include "util-privs.h"
|
||||
#include "util-buffer.h"
|
||||
|
||||
#include "util-logopenfile.h"
|
||||
#include "util-time.h"
|
||||
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
#include <jansson.h>
|
||||
|
||||
#define DEFAULT_DNS_SYSLOG_FACILITY_STR "local0"
|
||||
#define DEFAULT_DNS_SYSLOG_FACILITY LOG_LOCAL0
|
||||
#define DEFAULT_DNS_SYSLOG_LEVEL LOG_INFO
|
||||
|
||||
#ifndef OS_WIN32
|
||||
static int dns_syslog_level = DEFAULT_DNS_SYSLOG_LEVEL;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define DEFAULT_LOG_FILENAME "dns.log"
|
||||
|
||||
#define MODULE_NAME "DnsJson"
|
||||
|
||||
#define OUTPUT_BUFFER_SIZE 65535
|
||||
|
||||
/* we can do query logging as well, but it's disabled for now as the
|
||||
* TX id handling doesn't expect it */
|
||||
#define QUERY 0
|
||||
|
||||
TmEcode DnsJson (ThreadVars *, Packet *, void *, PacketQueue *, PacketQueue *);
|
||||
TmEcode DnsJsonIPv4(ThreadVars *, Packet *, void *, PacketQueue *, PacketQueue *);
|
||||
TmEcode DnsJsonIPv6(ThreadVars *, Packet *, void *, PacketQueue *, PacketQueue *);
|
||||
TmEcode DnsJsonThreadInit(ThreadVars *, void *, void **);
|
||||
TmEcode DnsJsonThreadDeinit(ThreadVars *, void *);
|
||||
void DnsJsonExitPrintStats(ThreadVars *, void *);
|
||||
static void DnsJsonDeInitCtx(OutputCtx *);
|
||||
|
||||
void TmModuleDnsJsonRegister (void) {
|
||||
tmm_modules[TMM_LOGDNSJSON].name = MODULE_NAME;
|
||||
tmm_modules[TMM_LOGDNSJSON].ThreadInit = DnsJsonThreadInit;
|
||||
tmm_modules[TMM_LOGDNSJSON].Func = DnsJson;
|
||||
tmm_modules[TMM_LOGDNSJSON].ThreadExitPrintStats = DnsJsonExitPrintStats;
|
||||
tmm_modules[TMM_LOGDNSJSON].ThreadDeinit = DnsJsonThreadDeinit;
|
||||
tmm_modules[TMM_LOGDNSJSON].RegisterTests = NULL;
|
||||
tmm_modules[TMM_LOGDNSJSON].cap_flags = 0;
|
||||
|
||||
OutputRegisterModule(MODULE_NAME, "dns-log-json", DnsJsonInitCtx);
|
||||
|
||||
/* enable the logger for the app layer */
|
||||
AppLayerRegisterLogger(ALPROTO_DNS_UDP);
|
||||
AppLayerRegisterLogger(ALPROTO_DNS_TCP);
|
||||
SCLogDebug("registered %s", MODULE_NAME);
|
||||
}
|
||||
|
||||
typedef struct LogDnsFileCtx_ {
|
||||
LogFileCtx *file_ctx;
|
||||
uint32_t flags; /** Store mode */
|
||||
} LogDnsFileCtx;
|
||||
|
||||
#define LOG_DNS_DEFAULT 0
|
||||
#define LOG_DNS_JSON_SYSLOG 2 /* JSON output via syslog */
|
||||
|
||||
typedef struct LogDnsLogThread_ {
|
||||
LogDnsFileCtx *dnslog_ctx;
|
||||
/** LogFileCtx has the pointer to the file and a mutex to allow multithreading */
|
||||
uint32_t dns_cnt;
|
||||
|
||||
MemBuffer *buffer;
|
||||
} LogDnsLogThread;
|
||||
|
||||
static void CreateTypeString(uint16_t type, char *str, size_t str_size) {
|
||||
if (type == DNS_RECORD_TYPE_A) {
|
||||
snprintf(str, str_size, "A");
|
||||
} else if (type == DNS_RECORD_TYPE_NS) {
|
||||
snprintf(str, str_size, "NS");
|
||||
} else if (type == DNS_RECORD_TYPE_AAAA) {
|
||||
snprintf(str, str_size, "AAAA");
|
||||
} else if (type == DNS_RECORD_TYPE_TXT) {
|
||||
snprintf(str, str_size, "TXT");
|
||||
} else if (type == DNS_RECORD_TYPE_CNAME) {
|
||||
snprintf(str, str_size, "CNAME");
|
||||
} else if (type == DNS_RECORD_TYPE_SOA) {
|
||||
snprintf(str, str_size, "SOA");
|
||||
} else if (type == DNS_RECORD_TYPE_MX) {
|
||||
snprintf(str, str_size, "MX");
|
||||
} else if (type == DNS_RECORD_TYPE_PTR) {
|
||||
snprintf(str, str_size, "PTR");
|
||||
} else if (type == DNS_RECORD_TYPE_ANY) {
|
||||
snprintf(str, str_size, "ANY");
|
||||
} else if (type == DNS_RECORD_TYPE_TKEY) {
|
||||
snprintf(str, str_size, "TKEY");
|
||||
} else if (type == DNS_RECORD_TYPE_TSIG) {
|
||||
snprintf(str, str_size, "TSIG");
|
||||
} else {
|
||||
snprintf(str, str_size, "%04x/%u", type, type);
|
||||
}
|
||||
}
|
||||
|
||||
static void LogQuery(LogDnsLogThread *aft, char *timebuf, char *srcip, char *dstip, Port sp, Port dp, DNSTransaction *tx, DNSQueryEntry *entry) {
|
||||
LogDnsFileCtx *hlog = aft->dnslog_ctx;
|
||||
|
||||
SCLogDebug("got a DNS request and now logging !!");
|
||||
|
||||
/* reset */
|
||||
MemBufferReset(aft->buffer);
|
||||
|
||||
json_t *js = json_object();
|
||||
if (js == NULL)
|
||||
return;
|
||||
|
||||
json_t *djs = json_object();
|
||||
if (djs == NULL) {
|
||||
free(js);
|
||||
return;
|
||||
}
|
||||
|
||||
/* time & tx */
|
||||
json_object_set_new(js, "time", json_string(timebuf));
|
||||
|
||||
/* tuple */
|
||||
json_object_set_new(js, "srcip", json_string(srcip));
|
||||
json_object_set_new(js, "sp", json_integer(sp));
|
||||
json_object_set_new(js, "dstip", json_string(dstip));
|
||||
json_object_set_new(js, "dp", json_integer(dp));
|
||||
|
||||
/* type */
|
||||
json_object_set_new(djs, "type", json_string("query"));
|
||||
|
||||
/* id */
|
||||
json_object_set_new(djs, "id", json_integer(tx->tx_id));
|
||||
|
||||
/* query */
|
||||
char *c;
|
||||
json_object_set_new(djs, "query",
|
||||
json_string(c = strndup(
|
||||
(char *)((char *)entry + sizeof(DNSQueryEntry)),
|
||||
entry->len)));
|
||||
if (c) free(c);
|
||||
|
||||
/* name */
|
||||
char record[16] = "";
|
||||
CreateTypeString(entry->type, record, sizeof(record));
|
||||
json_object_set_new(djs, "record", json_string(record));
|
||||
|
||||
/* dns */
|
||||
json_object_set_new(js, "dns", djs);
|
||||
char *s = json_dumps(js, JSON_PRESERVE_ORDER|JSON_COMPACT|JSON_ENSURE_ASCII);
|
||||
MemBufferWriteString(aft->buffer, "%s", s);
|
||||
free(s);
|
||||
free(djs);
|
||||
free(js);
|
||||
|
||||
aft->dns_cnt++;
|
||||
|
||||
SCMutexLock(&hlog->file_ctx->fp_mutex);
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
if (hlog->flags & LOG_DNS_JSON_SYSLOG) {
|
||||
syslog(dns_syslog_level, "%s", (char *)aft->buffer->buffer);
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, "\n");
|
||||
#endif
|
||||
(void)MemBufferPrintToFPAsString(aft->buffer, hlog->file_ctx->fp);
|
||||
fflush(hlog->file_ctx->fp);
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
}
|
||||
#endif
|
||||
SCMutexUnlock(&hlog->file_ctx->fp_mutex);
|
||||
}
|
||||
#if 0
|
||||
static void LogAnswer(LogDnsLogThread *aft, char *timebuf, char *srcip, char *dstip, Port sp, Port dp, DNSTransaction *tx, DNSAnswerEntry *entry) {
|
||||
LogDnsFileCtx *hlog = aft->dnslog_ctx;
|
||||
|
||||
SCLogDebug("got a DNS response and now logging !!");
|
||||
|
||||
/* reset */
|
||||
MemBufferReset(aft->buffer);
|
||||
|
||||
json_t *js = json_object();
|
||||
if (js == NULL)
|
||||
return;
|
||||
|
||||
json_t *djs = json_object();
|
||||
if (djs == NULL) {
|
||||
free(js);
|
||||
return;
|
||||
}
|
||||
|
||||
/* time & tx */
|
||||
json_object_set_new(js, "time", json_string(timebuf));
|
||||
|
||||
/* tuple */
|
||||
json_object_set_new(js, "srcip", json_string(srcip));
|
||||
json_object_set_new(js, "sp", json_integer(sp));
|
||||
json_object_set_new(js, "dstip", json_string(dstip));
|
||||
json_object_set_new(js, "dp", json_integer(dp));
|
||||
|
||||
/* type */
|
||||
json_object_set_new(djs, "type", json_string("answer"));
|
||||
|
||||
/* id */
|
||||
json_object_set_new(djs, "id", json_integer(tx->tx_id));
|
||||
|
||||
if (entry != NULL) {
|
||||
/* query */
|
||||
if (entry->fqdn_len > 0) {
|
||||
char *c;
|
||||
json_object_set_new(djs, "query",
|
||||
json_string(c = strndup(
|
||||
(char *)((char *)entry + sizeof(DNSAnswerEntry)),
|
||||
entry->fqdn_len)));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
/* name */
|
||||
char record[16] = "";
|
||||
CreateTypeString(entry->type, record, sizeof(record));
|
||||
json_object_set_new(djs, "record", json_string(record));
|
||||
|
||||
/* ttl */
|
||||
json_object_set_new(djs, "ttl", json_integer(entry->ttl));
|
||||
|
||||
uint8_t *ptr = (uint8_t *)((uint8_t *)entry + sizeof(DNSAnswerEntry)+ entry->fqdn_len);
|
||||
if (entry->type == DNS_RECORD_TYPE_A) {
|
||||
char a[16] = "";
|
||||
PrintInet(AF_INET, (const void *)ptr, a, sizeof(a));
|
||||
json_object_set_new(djs, "addr", json_string(a));
|
||||
} else if (entry->type == DNS_RECORD_TYPE_AAAA) {
|
||||
char a[46] = "";
|
||||
PrintInet(AF_INET6, (const void *)ptr, a, sizeof(a));
|
||||
json_object_set_new(djs, "addr", json_string(a));
|
||||
} else if (entry->data_len == 0) {
|
||||
json_object_set_new(djs, "addr", json_string(""));
|
||||
}
|
||||
}
|
||||
|
||||
/* dns */
|
||||
json_object_set_new(js, "dns", djs);
|
||||
char *s = json_dumps(js, JSON_PRESERVE_ORDER|JSON_COMPACT|JSON_ENSURE_ASCII);
|
||||
MemBufferWriteString(aft->buffer, "%s", s);
|
||||
free(s);
|
||||
free(djs);
|
||||
free(js);
|
||||
|
||||
aft->dns_cnt++;
|
||||
|
||||
SCMutexLock(&hlog->file_ctx->fp_mutex);
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
if (hlog->flags & LOG_DNS_JSON_SYSLOG) {
|
||||
syslog(dns_syslog_level, "%s", (char *)aft->buffer->buffer);
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, "\n");
|
||||
#endif
|
||||
(void)MemBufferPrintToFPAsString(aft->buffer, hlog->file_ctx->fp);
|
||||
fflush(hlog->file_ctx->fp);
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
}
|
||||
#endif
|
||||
SCMutexUnlock(&hlog->file_ctx->fp_mutex);
|
||||
}
|
||||
#endif
|
||||
static void AppendAnswer(json_t *djs, DNSTransaction *tx, DNSAnswerEntry *entry) {
|
||||
json_t *js = json_object();
|
||||
if (js == NULL)
|
||||
return;
|
||||
|
||||
/* type */
|
||||
json_object_set_new(js, "type", json_string("answer"));
|
||||
|
||||
/* id */
|
||||
json_object_set_new(js, "id", json_integer(tx->tx_id));
|
||||
|
||||
if (entry != NULL) {
|
||||
/* query */
|
||||
if (entry->fqdn_len > 0) {
|
||||
char *c;
|
||||
json_object_set_new(js, "query",
|
||||
json_string(c = strndup(
|
||||
(char *)((char *)entry + sizeof(DNSAnswerEntry)),
|
||||
entry->fqdn_len)));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
/* name */
|
||||
char record[16] = "";
|
||||
CreateTypeString(entry->type, record, sizeof(record));
|
||||
json_object_set_new(js, "record", json_string(record));
|
||||
|
||||
/* ttl */
|
||||
json_object_set_new(js, "ttl", json_integer(entry->ttl));
|
||||
|
||||
uint8_t *ptr = (uint8_t *)((uint8_t *)entry + sizeof(DNSAnswerEntry)+ entry->fqdn_len);
|
||||
if (entry->type == DNS_RECORD_TYPE_A) {
|
||||
char a[16] = "";
|
||||
PrintInet(AF_INET, (const void *)ptr, a, sizeof(a));
|
||||
json_object_set_new(js, "addr", json_string(a));
|
||||
} else if (entry->type == DNS_RECORD_TYPE_AAAA) {
|
||||
char a[46] = "";
|
||||
PrintInet(AF_INET6, (const void *)ptr, a, sizeof(a));
|
||||
json_object_set_new(js, "addr", json_string(a));
|
||||
} else if (entry->data_len == 0) {
|
||||
json_object_set_new(js, "addr", json_string(""));
|
||||
}
|
||||
}
|
||||
json_array_append_new(djs, js);
|
||||
}
|
||||
|
||||
static void LogAnswers(LogDnsLogThread *aft, char *timebuf, char *srcip, char *dstip, Port sp, Port dp, DNSTransaction *tx) {
|
||||
LogDnsFileCtx *hlog = aft->dnslog_ctx;
|
||||
|
||||
SCLogDebug("got a DNS response and now logging !!");
|
||||
|
||||
/* reset */
|
||||
MemBufferReset(aft->buffer);
|
||||
|
||||
json_t *js = json_object();
|
||||
if (js == NULL)
|
||||
return;
|
||||
|
||||
json_t *djs = json_array();
|
||||
if (djs == NULL) {
|
||||
free(js);
|
||||
return;
|
||||
}
|
||||
|
||||
/* time & tx */
|
||||
json_object_set_new(js, "time", json_string(timebuf));
|
||||
|
||||
/* tuple */
|
||||
json_object_set_new(js, "srcip", json_string(srcip));
|
||||
json_object_set_new(js, "sp", json_integer(sp));
|
||||
json_object_set_new(js, "dstip", json_string(dstip));
|
||||
json_object_set_new(js, "dp", json_integer(dp));
|
||||
|
||||
#if 1
|
||||
if (tx->no_such_name) {
|
||||
AppendAnswer(djs, tx, NULL);
|
||||
}
|
||||
|
||||
DNSAnswerEntry *entry = NULL;
|
||||
TAILQ_FOREACH(entry, &tx->answer_list, next) {
|
||||
AppendAnswer(djs, tx, entry);
|
||||
}
|
||||
|
||||
entry = NULL;
|
||||
TAILQ_FOREACH(entry, &tx->authority_list, next) {
|
||||
AppendAnswer(djs, tx, entry);
|
||||
}
|
||||
#else
|
||||
/* type */
|
||||
json_object_set_new(djs, "type", json_string("answer"));
|
||||
|
||||
/* id */
|
||||
json_object_set_new(djs, "id", json_integer(tx->tx_id));
|
||||
|
||||
if (entry != NULL) {
|
||||
/* query */
|
||||
if (entry->fqdn_len > 0) {
|
||||
char *c;
|
||||
json_object_set_new(djs, "query",
|
||||
json_string(c = strndup(
|
||||
(char *)((char *)entry + sizeof(DNSAnswerEntry)),
|
||||
entry->fqdn_len)));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
/* name */
|
||||
char record[16] = "";
|
||||
CreateTypeString(entry->type, record, sizeof(record));
|
||||
json_object_set_new(djs, "record", json_string(record));
|
||||
|
||||
/* ttl */
|
||||
json_object_set_new(djs, "ttl", json_integer(entry->ttl));
|
||||
|
||||
uint8_t *ptr = (uint8_t *)((uint8_t *)entry + sizeof(DNSAnswerEntry)+ entry->fqdn_len);
|
||||
if (entry->type == DNS_RECORD_TYPE_A) {
|
||||
char a[16] = "";
|
||||
PrintInet(AF_INET, (const void *)ptr, a, sizeof(a));
|
||||
json_object_set_new(djs, "addr", json_string(a));
|
||||
} else if (entry->type == DNS_RECORD_TYPE_AAAA) {
|
||||
char a[46] = "";
|
||||
PrintInet(AF_INET6, (const void *)ptr, a, sizeof(a));
|
||||
json_object_set_new(djs, "addr", json_string(a));
|
||||
} else if (entry->data_len == 0) {
|
||||
json_object_set_new(djs, "addr", json_string(""));
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* dns */
|
||||
json_object_set_new(js, "dns", djs);
|
||||
char *s = json_dumps(js, JSON_PRESERVE_ORDER|JSON_COMPACT|JSON_ENSURE_ASCII);
|
||||
MemBufferWriteString(aft->buffer, "%s", s);
|
||||
free(s);
|
||||
free(djs);
|
||||
free(js);
|
||||
|
||||
aft->dns_cnt++;
|
||||
|
||||
SCMutexLock(&hlog->file_ctx->fp_mutex);
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
if (hlog->flags & LOG_DNS_JSON_SYSLOG) {
|
||||
syslog(dns_syslog_level, "%s", (char *)aft->buffer->buffer);
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, "\n");
|
||||
#endif
|
||||
(void)MemBufferPrintToFPAsString(aft->buffer, hlog->file_ctx->fp);
|
||||
fflush(hlog->file_ctx->fp);
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
}
|
||||
#endif
|
||||
SCMutexUnlock(&hlog->file_ctx->fp_mutex);
|
||||
}
|
||||
|
||||
static TmEcode DnsJsonIPWrapper(ThreadVars *tv, Packet *p, void *data, PacketQueue *pq,
|
||||
PacketQueue *postpq, int ipproto)
|
||||
{
|
||||
SCEnter();
|
||||
|
||||
LogDnsLogThread *aft = (LogDnsLogThread *)data;
|
||||
char timebuf[64];
|
||||
|
||||
/* no flow, no htp state */
|
||||
if (p->flow == NULL) {
|
||||
SCLogDebug("no flow");
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
/* check if we have DNS state or not */
|
||||
FLOWLOCK_WRLOCK(p->flow); /* WRITE lock before we updated flow logged id */
|
||||
uint16_t proto = AppLayerGetProtoFromPacket(p);
|
||||
if (proto != ALPROTO_DNS_UDP && proto != ALPROTO_DNS_TCP) {
|
||||
SCLogDebug("proto not ALPROTO_DNS_UDP: %u", proto);
|
||||
goto end;
|
||||
}
|
||||
|
||||
DNSState *dns_state = (DNSState *)AppLayerGetProtoStateFromPacket(p);
|
||||
if (dns_state == NULL) {
|
||||
SCLogDebug("no dns state, so no request logging");
|
||||
goto end;
|
||||
}
|
||||
|
||||
uint64_t total_txs = AppLayerGetTxCnt(proto, dns_state);
|
||||
uint64_t tx_id = AppLayerTransactionGetLogId(p->flow);
|
||||
//int tx_progress_done_value_ts = AppLayerGetAlstateProgressCompletionStatus(proto, 0);
|
||||
//int tx_progress_done_value_tc = AppLayerGetAlstateProgressCompletionStatus(proto, 1);
|
||||
|
||||
SCLogDebug("pcap_cnt %"PRIu64, p->pcap_cnt);
|
||||
CreateTimeString(&p->ts, timebuf, sizeof(timebuf));
|
||||
|
||||
char srcip[46], dstip[46];
|
||||
Port sp, dp;
|
||||
if ((PKT_IS_TOCLIENT(p))) {
|
||||
switch (ipproto) {
|
||||
case AF_INET:
|
||||
PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), srcip, sizeof(srcip));
|
||||
PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), dstip, sizeof(dstip));
|
||||
break;
|
||||
case AF_INET6:
|
||||
PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), srcip, sizeof(srcip));
|
||||
PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), dstip, sizeof(dstip));
|
||||
break;
|
||||
default:
|
||||
goto end;
|
||||
}
|
||||
sp = p->sp;
|
||||
dp = p->dp;
|
||||
} else {
|
||||
switch (ipproto) {
|
||||
case AF_INET:
|
||||
PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), srcip, sizeof(srcip));
|
||||
PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), dstip, sizeof(dstip));
|
||||
break;
|
||||
case AF_INET6:
|
||||
PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), srcip, sizeof(srcip));
|
||||
PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), dstip, sizeof(dstip));
|
||||
break;
|
||||
default:
|
||||
goto end;
|
||||
}
|
||||
sp = p->dp;
|
||||
dp = p->sp;
|
||||
}
|
||||
#if QUERY
|
||||
if (PKT_IS_TOSERVER(p)) {
|
||||
DNSTransaction *tx = NULL;
|
||||
TAILQ_FOREACH(tx, &dns_state->tx_list, next) {
|
||||
DNSQueryEntry *entry = NULL;
|
||||
TAILQ_FOREACH(entry, &tx->query_list, next) {
|
||||
LogQuery(aft, timebuf, srcip, dstip, sp, dp, tx, entry);
|
||||
}
|
||||
}
|
||||
} else
|
||||
#endif
|
||||
if ((PKT_IS_TOCLIENT(p))) {
|
||||
DNSTransaction *tx = NULL;
|
||||
for (; tx_id < total_txs; tx_id++)
|
||||
{
|
||||
tx = AppLayerGetTx(proto, dns_state, tx_id);
|
||||
if (tx == NULL)
|
||||
continue;
|
||||
|
||||
DNSQueryEntry *query = NULL;
|
||||
TAILQ_FOREACH(query, &tx->query_list, next) {
|
||||
LogQuery(aft, timebuf, dstip, srcip, dp, sp, tx, query);
|
||||
}
|
||||
|
||||
#if 1
|
||||
LogAnswers(aft, timebuf, srcip, dstip, sp, dp, tx);
|
||||
#else
|
||||
if (tx->no_such_name) {
|
||||
LogAnswer(aft, timebuf, srcip, dstip, sp, dp, tx, NULL);
|
||||
}
|
||||
|
||||
DNSAnswerEntry *entry = NULL;
|
||||
TAILQ_FOREACH(entry, &tx->answer_list, next) {
|
||||
LogAnswer(aft, timebuf, srcip, dstip, sp, dp, tx, entry);
|
||||
}
|
||||
|
||||
entry = NULL;
|
||||
TAILQ_FOREACH(entry, &tx->authority_list, next) {
|
||||
LogAnswer(aft, timebuf, srcip, dstip, sp, dp, tx, entry);
|
||||
}
|
||||
#endif
|
||||
|
||||
SCLogDebug("calling AppLayerTransactionUpdateLoggedId");
|
||||
AppLayerTransactionUpdateLogId(ALPROTO_DNS_UDP, p->flow);
|
||||
}
|
||||
}
|
||||
|
||||
end:
|
||||
FLOWLOCK_UNLOCK(p->flow);
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
TmEcode DnsJsonIPv4(ThreadVars *tv, Packet *p, void *data, PacketQueue *pq, PacketQueue *postpq)
|
||||
{
|
||||
return DnsJsonIPWrapper(tv, p, data, pq, postpq, AF_INET);
|
||||
}
|
||||
|
||||
TmEcode DnsJsonIPv6(ThreadVars *tv, Packet *p, void *data, PacketQueue *pq, PacketQueue *postpq)
|
||||
{
|
||||
return DnsJsonIPWrapper(tv, p, data, pq, postpq, AF_INET6);
|
||||
}
|
||||
|
||||
TmEcode DnsJson (ThreadVars *tv, Packet *p, void *data, PacketQueue *pq, PacketQueue *postpq)
|
||||
{
|
||||
SCEnter();
|
||||
|
||||
SCLogDebug("pcap_cnt %"PRIu64, p->pcap_cnt);
|
||||
/* no flow, no htp state */
|
||||
if (p->flow == NULL) {
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
if (!(PKT_IS_UDP(p)) && !(PKT_IS_TCP(p))) {
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
if (PKT_IS_IPV4(p)) {
|
||||
int r = DnsJsonIPv4(tv, p, data, pq, postpq);
|
||||
SCReturnInt(r);
|
||||
} else if (PKT_IS_IPV6(p)) {
|
||||
int r = DnsJsonIPv6(tv, p, data, pq, postpq);
|
||||
SCReturnInt(r);
|
||||
}
|
||||
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
TmEcode DnsJsonThreadInit(ThreadVars *t, void *initdata, void **data)
|
||||
{
|
||||
LogDnsLogThread *aft = SCMalloc(sizeof(LogDnsLogThread));
|
||||
if (unlikely(aft == NULL))
|
||||
return TM_ECODE_FAILED;
|
||||
memset(aft, 0, sizeof(LogDnsLogThread));
|
||||
|
||||
if(initdata == NULL)
|
||||
{
|
||||
SCLogDebug("Error getting context for DNSLog. \"initdata\" argument NULL");
|
||||
SCFree(aft);
|
||||
return TM_ECODE_FAILED;
|
||||
}
|
||||
|
||||
aft->buffer = MemBufferCreateNew(OUTPUT_BUFFER_SIZE);
|
||||
if (aft->buffer == NULL) {
|
||||
SCFree(aft);
|
||||
return TM_ECODE_FAILED;
|
||||
}
|
||||
|
||||
/* Use the Ouptut Context (file pointer and mutex) */
|
||||
aft->dnslog_ctx= ((OutputCtx *)initdata)->data;
|
||||
|
||||
*data = (void *)aft;
|
||||
return TM_ECODE_OK;
|
||||
}
|
||||
|
||||
TmEcode DnsJsonThreadDeinit(ThreadVars *t, void *data)
|
||||
{
|
||||
LogDnsLogThread *aft = (LogDnsLogThread *)data;
|
||||
if (aft == NULL) {
|
||||
return TM_ECODE_OK;
|
||||
}
|
||||
|
||||
MemBufferFree(aft->buffer);
|
||||
/* clear memory */
|
||||
memset(aft, 0, sizeof(LogDnsLogThread));
|
||||
|
||||
SCFree(aft);
|
||||
return TM_ECODE_OK;
|
||||
}
|
||||
|
||||
void DnsJsonExitPrintStats(ThreadVars *tv, void *data) {
|
||||
LogDnsLogThread *aft = (LogDnsLogThread *)data;
|
||||
if (aft == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
SCLogInfo("DNS logger logged %" PRIu32 " requests", aft->dns_cnt);
|
||||
}
|
||||
|
||||
/** \brief Create a new dns log LogFileCtx.
|
||||
* \param conf Pointer to ConfNode containing this loggers configuration.
|
||||
* \return NULL if failure, LogFileCtx* to the file_ctx if succesful
|
||||
* */
|
||||
OutputCtx *DnsJsonInitCtx(ConfNode *conf)
|
||||
{
|
||||
LogFileCtx* file_ctx = LogFileNewCtx();
|
||||
|
||||
if(file_ctx == NULL) {
|
||||
SCLogError(SC_ERR_DNS_LOG_GENERIC, "couldn't create new file_ctx");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (SCConfLogOpenGeneric(conf, file_ctx, DEFAULT_LOG_FILENAME) < 0) {
|
||||
LogFileFreeCtx(file_ctx);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
LogDnsFileCtx *dnslog_ctx = SCMalloc(sizeof(LogDnsFileCtx));
|
||||
if (unlikely(dnslog_ctx == NULL)) {
|
||||
LogFileFreeCtx(file_ctx);
|
||||
return NULL;
|
||||
}
|
||||
memset(dnslog_ctx, 0x00, sizeof(LogDnsFileCtx));
|
||||
|
||||
dnslog_ctx->file_ctx = file_ctx;
|
||||
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
const char *json = ConfNodeLookupChildValue(conf, "json");
|
||||
if (json) {
|
||||
if (strcmp(json, "syslog") == 0) {
|
||||
dnslog_ctx->flags |= LOG_DNS_JSON_SYSLOG;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
OutputCtx *output_ctx = SCCalloc(1, sizeof(OutputCtx));
|
||||
if (unlikely(output_ctx == NULL)) {
|
||||
LogFileFreeCtx(file_ctx);
|
||||
SCFree(dnslog_ctx);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
output_ctx->data = dnslog_ctx;
|
||||
output_ctx->DeInit = DnsJsonDeInitCtx;
|
||||
|
||||
SCLogDebug("DNS json output initialized");
|
||||
|
||||
return output_ctx;
|
||||
}
|
||||
|
||||
static void DnsJsonDeInitCtx(OutputCtx *output_ctx)
|
||||
{
|
||||
LogDnsFileCtx *dnslog_ctx = (LogDnsFileCtx *)output_ctx->data;
|
||||
LogFileFreeCtx(dnslog_ctx->file_ctx);
|
||||
SCFree(dnslog_ctx);
|
||||
SCFree(output_ctx);
|
||||
}
|
@ -0,0 +1,32 @@
|
||||
/* Copyright (C) 2007-2013 Open Information Security Foundation
|
||||
*
|
||||
* You can copy, redistribute or modify this Program under the terms of
|
||||
* the GNU General Public License version 2 as published by the Free
|
||||
* Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* version 2 along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
*
|
||||
* \author Victor Julien <victor@inliniac.net>
|
||||
*/
|
||||
|
||||
#ifndef __OUTPUT_DNSLOG_H__
|
||||
#define __OUTPUT_DNSLOG_H__
|
||||
|
||||
void TmModuleDnsJsonRegister (void);
|
||||
void TmModuleDnsJsonIPv4Register (void);
|
||||
void TmModuleDnsJsonIPv6Register (void);
|
||||
OutputCtx *DnsJsonInitCtx(ConfNode *);
|
||||
|
||||
#endif /* __OUTPUT_DNSLOG_H__ */
|
@ -0,0 +1,959 @@
|
||||
/* Copyright (C) 2007-2013 Open Information Security Foundation
|
||||
*
|
||||
* You can copy, redistribute or modify this Program under the terms of
|
||||
* the GNU General Public License version 2 as published by the Free
|
||||
* Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* version 2 along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
*
|
||||
* \author Victor Julien <victor@inliniac.net>
|
||||
* \author Ignacio Sanchez <sanchezmartin.ji@gmail.com>
|
||||
*
|
||||
* Implements http logging portion of the engine.
|
||||
*/
|
||||
|
||||
#include "suricata-common.h"
|
||||
#include "debug.h"
|
||||
#include "detect.h"
|
||||
#include "pkt-var.h"
|
||||
#include "conf.h"
|
||||
|
||||
#include "threads.h"
|
||||
#include "threadvars.h"
|
||||
#include "tm-threads.h"
|
||||
|
||||
#include "util-print.h"
|
||||
#include "util-unittest.h"
|
||||
|
||||
#include "util-debug.h"
|
||||
|
||||
#include "output.h"
|
||||
#include "output-httplog.h"
|
||||
#include "app-layer-htp.h"
|
||||
#include "app-layer.h"
|
||||
#include "util-privs.h"
|
||||
#include "util-buffer.h"
|
||||
|
||||
#include "util-logopenfile.h"
|
||||
#include "util-time.h"
|
||||
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
#include <jansson.h>
|
||||
|
||||
#define DEFAULT_HTTP_SYSLOG_FACILITY_STR "local0"
|
||||
#define DEFAULT_HTTP_SYSLOG_FACILITY LOG_LOCAL0
|
||||
#define DEFAULT_HTTP_SYSLOG_LEVEL LOG_INFO
|
||||
|
||||
#ifndef OS_WIN32
|
||||
static int http_syslog_level = DEFAULT_HTTP_SYSLOG_LEVEL;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define DEFAULT_LOG_FILENAME "http.log"
|
||||
|
||||
#define MODULE_NAME "HttpJson"
|
||||
|
||||
#define OUTPUT_BUFFER_SIZE 65535
|
||||
|
||||
TmEcode HttpJson (ThreadVars *, Packet *, void *, PacketQueue *, PacketQueue *);
|
||||
TmEcode HttpJsonIPv4(ThreadVars *, Packet *, void *, PacketQueue *, PacketQueue *);
|
||||
TmEcode HttpJsonIPv6(ThreadVars *, Packet *, void *, PacketQueue *, PacketQueue *);
|
||||
TmEcode HttpJsonThreadInit(ThreadVars *, void *, void **);
|
||||
TmEcode HttpJsonThreadDeinit(ThreadVars *, void *);
|
||||
void HttpJsonExitPrintStats(ThreadVars *, void *);
|
||||
static void HttpJsonDeInitCtx(OutputCtx *);
|
||||
|
||||
void TmModuleHttpJsonRegister (void) {
|
||||
tmm_modules[TMM_LOGHTTPJSON].name = MODULE_NAME;
|
||||
tmm_modules[TMM_LOGHTTPJSON].ThreadInit = HttpJsonThreadInit;
|
||||
tmm_modules[TMM_LOGHTTPJSON].Func = HttpJson;
|
||||
tmm_modules[TMM_LOGHTTPJSON].ThreadExitPrintStats = HttpJsonExitPrintStats;
|
||||
tmm_modules[TMM_LOGHTTPJSON].ThreadDeinit = HttpJsonThreadDeinit;
|
||||
tmm_modules[TMM_LOGHTTPJSON].RegisterTests = NULL;
|
||||
tmm_modules[TMM_LOGHTTPJSON].cap_flags = 0;
|
||||
|
||||
OutputRegisterModule(MODULE_NAME, "http-log-json", HttpJsonInitCtx);
|
||||
|
||||
/* enable the logger for the app layer */
|
||||
AppLayerRegisterLogger(ALPROTO_HTTP);
|
||||
}
|
||||
|
||||
void TmModuleHttpJsonIPv4Register (void) {
|
||||
tmm_modules[TMM_LOGHTTPJSON4].name = "HttpJsonIPv4";
|
||||
tmm_modules[TMM_LOGHTTPJSON4].ThreadInit = HttpJsonThreadInit;
|
||||
tmm_modules[TMM_LOGHTTPJSON4].Func = HttpJsonIPv4;
|
||||
tmm_modules[TMM_LOGHTTPJSON4].ThreadExitPrintStats = HttpJsonExitPrintStats;
|
||||
tmm_modules[TMM_LOGHTTPJSON4].ThreadDeinit = HttpJsonThreadDeinit;
|
||||
tmm_modules[TMM_LOGHTTPJSON4].RegisterTests = NULL;
|
||||
}
|
||||
|
||||
void TmModuleHttpJsonIPv6Register (void) {
|
||||
tmm_modules[TMM_LOGHTTPJSON6].name = "HttpJsonIPv6";
|
||||
tmm_modules[TMM_LOGHTTPJSON6].ThreadInit = HttpJsonThreadInit;
|
||||
tmm_modules[TMM_LOGHTTPJSON6].Func = HttpJsonIPv6;
|
||||
tmm_modules[TMM_LOGHTTPJSON6].ThreadExitPrintStats = HttpJsonExitPrintStats;
|
||||
tmm_modules[TMM_LOGHTTPJSON6].ThreadDeinit = HttpJsonThreadDeinit;
|
||||
tmm_modules[TMM_LOGHTTPJSON6].RegisterTests = NULL;
|
||||
}
|
||||
|
||||
#define LOG_HTTP_MAXN_NODES 64
|
||||
#define LOG_HTTP_NODE_STRLEN 256
|
||||
#define LOG_HTTP_NODE_MAXOUTPUTLEN 8192
|
||||
|
||||
#define TIMESTAMP_DEFAULT_FORMAT "%b %d, %Y; %H:%M:%S"
|
||||
#define LOG_HTTP_CF_NONE "-"
|
||||
#define LOG_HTTP_CF_LITERAL '%'
|
||||
#define LOG_HTTP_CF_REQUEST_HOST 'h'
|
||||
#define LOG_HTTP_CF_REQUEST_PROTOCOL 'H'
|
||||
#define LOG_HTTP_CF_REQUEST_METHOD 'm'
|
||||
#define LOG_HTTP_CF_REQUEST_URI 'u'
|
||||
#define LOG_HTTP_CF_REQUEST_TIME 't'
|
||||
#define LOG_HTTP_CF_REQUEST_HEADER 'i'
|
||||
#define LOG_HTTP_CF_REQUEST_COOKIE 'C'
|
||||
#define LOG_HTTP_CF_REQUEST_LEN 'b'
|
||||
#define LOG_HTTP_CF_RESPONSE_STATUS 's'
|
||||
#define LOG_HTTP_CF_RESPONSE_HEADER 'o'
|
||||
#define LOG_HTTP_CF_RESPONSE_LEN 'B'
|
||||
#define LOG_HTTP_CF_TIMESTAMP 't'
|
||||
#define LOG_HTTP_CF_TIMESTAMP_U 'z'
|
||||
#define LOG_HTTP_CF_CLIENT_IP 'a'
|
||||
#define LOG_HTTP_CF_SERVER_IP 'A'
|
||||
#define LOG_HTTP_CF_CLIENT_PORT 'p'
|
||||
#define LOG_HTTP_CF_SERVER_PORT 'P'
|
||||
|
||||
typedef struct LogHttpCustomFormatNode_ {
|
||||
uint32_t type; /** Node format type. ie: LOG_HTTP_CF_LITERAL, LOG_HTTP_CF_REQUEST_HEADER */
|
||||
uint32_t maxlen; /** Maximun length of the data */
|
||||
char data[LOG_HTTP_NODE_STRLEN]; /** optional data. ie: http header name */
|
||||
} LogHttpCustomFormatNode;
|
||||
|
||||
typedef struct LogHttpFileCtx_ {
|
||||
LogFileCtx *file_ctx;
|
||||
uint32_t flags; /** Store mode */
|
||||
uint32_t cf_n; /** Total number of custom string format nodes */
|
||||
LogHttpCustomFormatNode *cf_nodes[LOG_HTTP_MAXN_NODES]; /** Custom format string nodes */
|
||||
} LogHttpFileCtx;
|
||||
|
||||
#define LOG_HTTP_DEFAULT 0
|
||||
#define LOG_HTTP_EXTENDED 1
|
||||
#define LOG_HTTP_CUSTOM 2
|
||||
#define LOG_HTTP_JSON_SYSLOG 8 /* JSON output via syslog */
|
||||
|
||||
typedef struct LogHttpLogThread_ {
|
||||
LogHttpFileCtx *httplog_ctx;
|
||||
/** LogFileCtx has the pointer to the file and a mutex to allow multithreading */
|
||||
uint32_t uri_cnt;
|
||||
|
||||
MemBuffer *buffer;
|
||||
} LogHttpLogThread;
|
||||
|
||||
/* Retrieves the selected cookie value */
|
||||
static uint32_t GetCookieValue(uint8_t *rawcookies, uint32_t rawcookies_len, char *cookiename,
|
||||
uint8_t **cookievalue) {
|
||||
uint8_t *p = rawcookies;
|
||||
uint8_t *cn = p; /* ptr to cookie name start */
|
||||
uint8_t *cv = NULL; /* ptr to cookie value start */
|
||||
while (p < rawcookies + rawcookies_len) {
|
||||
if (cv == NULL && *p == '=') {
|
||||
cv = p + 1;
|
||||
} else if (cv != NULL && (*p == ';' || p == rawcookies + rawcookies_len - 1) ) {
|
||||
/* Found end of cookie */
|
||||
p++;
|
||||
if (strlen(cookiename) == (unsigned int) (cv-cn-1) &&
|
||||
strncmp(cookiename, (char *) cn, cv-cn-1) == 0) {
|
||||
*cookievalue = cv;
|
||||
return (uint32_t) (p-cv);
|
||||
}
|
||||
cv = NULL;
|
||||
cn = p + 1;
|
||||
}
|
||||
p++;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Custom format logging */
|
||||
static void LogHttpLogJSONCustom(LogHttpLogThread *aft, htp_tx_t *tx, const struct timeval *ts,
|
||||
char *srcip, Port sp, char *dstip, Port dp)
|
||||
{
|
||||
LogHttpFileCtx *httplog_ctx = aft->httplog_ctx;
|
||||
uint32_t i;
|
||||
uint32_t datalen;
|
||||
char buf[128];
|
||||
|
||||
uint8_t *cvalue;
|
||||
uint32_t cvalue_len = 0;
|
||||
|
||||
htp_header_t *h_request_hdr;
|
||||
htp_header_t *h_response_hdr;
|
||||
|
||||
time_t time = ts->tv_sec;
|
||||
struct tm local_tm;
|
||||
struct tm *timestamp = SCLocalTime(time, &local_tm);
|
||||
|
||||
for (i = 0; i < httplog_ctx->cf_n; i++) {
|
||||
h_request_hdr = NULL;
|
||||
h_response_hdr = NULL;
|
||||
switch (httplog_ctx->cf_nodes[i]->type){
|
||||
case LOG_HTTP_CF_LITERAL:
|
||||
/* LITERAL */
|
||||
MemBufferWriteString(aft->buffer, "%s", httplog_ctx->cf_nodes[i]->data);
|
||||
break;
|
||||
case LOG_HTTP_CF_TIMESTAMP:
|
||||
/* TIMESTAMP */
|
||||
if (httplog_ctx->cf_nodes[i]->data[0] == '\0') {
|
||||
strftime(buf, 62, TIMESTAMP_DEFAULT_FORMAT, timestamp);
|
||||
} else {
|
||||
strftime(buf, 62, httplog_ctx->cf_nodes[i]->data, timestamp);
|
||||
}
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)buf,strlen(buf));
|
||||
break;
|
||||
case LOG_HTTP_CF_TIMESTAMP_U:
|
||||
/* TIMESTAMP USECONDS */
|
||||
snprintf(buf, 62, "%06u", (unsigned int) ts->tv_usec);
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)buf,strlen(buf));
|
||||
break;
|
||||
case LOG_HTTP_CF_CLIENT_IP:
|
||||
/* CLIENT IP ADDRESS */
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)srcip,strlen(srcip));
|
||||
break;
|
||||
case LOG_HTTP_CF_SERVER_IP:
|
||||
/* SERVER IP ADDRESS */
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)dstip,strlen(dstip));
|
||||
break;
|
||||
case LOG_HTTP_CF_CLIENT_PORT:
|
||||
/* CLIENT PORT */
|
||||
MemBufferWriteString(aft->buffer, "%" PRIu16 "", sp);
|
||||
break;
|
||||
case LOG_HTTP_CF_SERVER_PORT:
|
||||
/* SERVER PORT */
|
||||
MemBufferWriteString(aft->buffer, "%" PRIu16 "", dp);
|
||||
break;
|
||||
case LOG_HTTP_CF_REQUEST_METHOD:
|
||||
/* METHOD */
|
||||
if (tx->request_method != NULL) {
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)bstr_ptr(tx->request_method),
|
||||
bstr_len(tx->request_method));
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
}
|
||||
break;
|
||||
case LOG_HTTP_CF_REQUEST_URI:
|
||||
/* URI */
|
||||
if (tx->request_uri != NULL) {
|
||||
datalen = httplog_ctx->cf_nodes[i]->maxlen;
|
||||
if (datalen == 0 || datalen > bstr_len(tx->request_uri)) {
|
||||
datalen = bstr_len(tx->request_uri);
|
||||
}
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)bstr_ptr(tx->request_uri),
|
||||
datalen);
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
}
|
||||
break;
|
||||
case LOG_HTTP_CF_REQUEST_HOST:
|
||||
/* HOSTNAME */
|
||||
if (tx->request_hostname != NULL)
|
||||
{
|
||||
datalen = httplog_ctx->cf_nodes[i]->maxlen;
|
||||
if (datalen == 0 || datalen > bstr_len(tx->parsed_uri->hostname)) {
|
||||
datalen = bstr_len(tx->parsed_uri->hostname);
|
||||
}
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)bstr_ptr(tx->request_hostname),
|
||||
bstr_len(tx->request_hostname));
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
}
|
||||
break;
|
||||
case LOG_HTTP_CF_REQUEST_PROTOCOL:
|
||||
/* PROTOCOL */
|
||||
if (tx->request_protocol != NULL) {
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)bstr_ptr(tx->request_protocol),
|
||||
bstr_len(tx->request_protocol));
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
}
|
||||
break;
|
||||
case LOG_HTTP_CF_REQUEST_HEADER:
|
||||
/* REQUEST HEADER */
|
||||
if (tx->request_headers != NULL) {
|
||||
h_request_hdr = htp_table_get_c(tx->request_headers, httplog_ctx->cf_nodes[i]->data);
|
||||
}
|
||||
if (h_request_hdr != NULL) {
|
||||
datalen = httplog_ctx->cf_nodes[i]->maxlen;
|
||||
if (datalen == 0 || datalen > bstr_len(h_request_hdr->value)) {
|
||||
datalen = bstr_len(h_request_hdr->value);
|
||||
}
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)bstr_ptr(h_request_hdr->value),
|
||||
datalen);
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
}
|
||||
break;
|
||||
case LOG_HTTP_CF_REQUEST_COOKIE:
|
||||
/* REQUEST COOKIE */
|
||||
if (tx->request_headers != NULL) {
|
||||
h_request_hdr = htp_table_get_c(tx->request_headers, "Cookie");
|
||||
if (h_request_hdr != NULL) {
|
||||
cvalue_len = GetCookieValue((uint8_t *) bstr_ptr(h_request_hdr->value),
|
||||
bstr_len(h_request_hdr->value), (char *) httplog_ctx->cf_nodes[i]->data,
|
||||
&cvalue);
|
||||
}
|
||||
}
|
||||
if (cvalue_len > 0) {
|
||||
datalen = httplog_ctx->cf_nodes[i]->maxlen;
|
||||
if (datalen == 0 || datalen > cvalue_len) {
|
||||
datalen = cvalue_len;
|
||||
}
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, cvalue, datalen);
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
}
|
||||
break;
|
||||
case LOG_HTTP_CF_REQUEST_LEN:
|
||||
/* REQUEST LEN */
|
||||
MemBufferWriteString(aft->buffer, "%"PRIuMAX"", (uintmax_t)tx->request_message_len);
|
||||
break;
|
||||
case LOG_HTTP_CF_RESPONSE_STATUS:
|
||||
/* RESPONSE STATUS */
|
||||
if (tx->response_status != NULL) {
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)bstr_ptr(tx->response_status),
|
||||
bstr_len(tx->response_status));
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
}
|
||||
break;
|
||||
case LOG_HTTP_CF_RESPONSE_HEADER:
|
||||
/* RESPONSE HEADER */
|
||||
if (tx->response_headers != NULL) {
|
||||
h_response_hdr = htp_table_get_c(tx->response_headers,
|
||||
httplog_ctx->cf_nodes[i]->data);
|
||||
}
|
||||
if (h_response_hdr != NULL) {
|
||||
datalen = httplog_ctx->cf_nodes[i]->maxlen;
|
||||
if (datalen == 0 || datalen > bstr_len(h_response_hdr->value)) {
|
||||
datalen = bstr_len(h_response_hdr->value);
|
||||
}
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
|
||||
aft->buffer->size, (uint8_t *)bstr_ptr(h_response_hdr->value),
|
||||
datalen);
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
}
|
||||
break;
|
||||
case LOG_HTTP_CF_RESPONSE_LEN:
|
||||
/* RESPONSE LEN */
|
||||
MemBufferWriteString(aft->buffer, "%"PRIuMAX"", (uintmax_t)tx->response_message_len);
|
||||
break;
|
||||
default:
|
||||
/* NO MATCH */
|
||||
MemBufferWriteString(aft->buffer, LOG_HTTP_CF_NONE);
|
||||
SCLogDebug("No matching parameter %%%c for custom http log.", httplog_ctx->cf_nodes[i]->type);
|
||||
break;
|
||||
}
|
||||
}
|
||||
MemBufferWriteString(aft->buffer, "\n");
|
||||
}
|
||||
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
/* JSON format logging */
|
||||
static void LogHttpLogJSON(LogHttpLogThread *aft, htp_tx_t *tx, char * timebuf,
|
||||
char *srcip, Port sp, char *dstip, Port dp)
|
||||
{
|
||||
LogHttpFileCtx *hlog = aft->httplog_ctx;
|
||||
json_t *js = json_object();
|
||||
if (js == NULL)
|
||||
return;
|
||||
#if 0
|
||||
json_t *hjs = js;
|
||||
#else
|
||||
json_t *hjs = json_object();
|
||||
if (hjs == NULL) {
|
||||
free(js);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* time */
|
||||
json_object_set_new(js, "time", json_string(timebuf));
|
||||
|
||||
/* tuple */
|
||||
json_object_set_new(js, "srcip", json_string(srcip));
|
||||
json_object_set_new(js, "sp", json_integer(sp));
|
||||
json_object_set_new(js, "dstip", json_string(dstip));
|
||||
json_object_set_new(js, "dp", json_integer(dp));
|
||||
|
||||
|
||||
char *c;
|
||||
/* hostname */
|
||||
if (tx->request_hostname != NULL)
|
||||
{
|
||||
json_object_set_new(hjs, "hostname",
|
||||
json_string(c = strndup(bstr_ptr(tx->request_hostname),
|
||||
bstr_len(tx->request_hostname))));
|
||||
if (c) free(c);
|
||||
} else {
|
||||
json_object_set_new(hjs, "hostname", json_string("<hostname unknown>"));
|
||||
}
|
||||
|
||||
/* uri */
|
||||
if (tx->request_uri != NULL)
|
||||
{
|
||||
json_object_set_new(hjs, "uri",
|
||||
json_string(c = strndup(bstr_ptr(tx->request_uri),
|
||||
bstr_len(tx->request_uri))));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
/* user agent */
|
||||
htp_header_t *h_user_agent = NULL;
|
||||
if (tx->request_headers != NULL) {
|
||||
h_user_agent = htp_table_get_c(tx->request_headers, "user-agent");
|
||||
}
|
||||
if (h_user_agent != NULL) {
|
||||
json_object_set_new(hjs, "user-agent",
|
||||
json_string(c = strndup(bstr_ptr(h_user_agent->value),
|
||||
bstr_len(h_user_agent->value))));
|
||||
if (c) free(c);
|
||||
} else {
|
||||
json_object_set_new(hjs, "user-agent", json_string("<useragent unknown>"));
|
||||
}
|
||||
|
||||
/* x-forwarded-for */
|
||||
htp_header_t *h_x_forwarded_for = NULL;
|
||||
if (tx->request_headers != NULL) {
|
||||
h_x_forwarded_for = htp_table_get_c(tx->request_headers, "x-forwarded-for");
|
||||
}
|
||||
if (h_x_forwarded_for != NULL) {
|
||||
json_object_set_new(hjs, "xff",
|
||||
json_string(c = strndup(bstr_ptr(h_x_forwarded_for->value),
|
||||
bstr_len(h_x_forwarded_for->value))));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
/* content-type */
|
||||
htp_header_t *h_content_type = NULL;
|
||||
if (tx->response_headers != NULL) {
|
||||
h_content_type = htp_table_get_c(tx->response_headers, "content-type");
|
||||
}
|
||||
if (h_content_type != NULL) {
|
||||
char *p;
|
||||
c = strndup(bstr_ptr(h_content_type->value),
|
||||
bstr_len(h_content_type->value));
|
||||
p = strchrnul(c, ';');
|
||||
*p = '\0';
|
||||
json_object_set_new(hjs, "content-type", json_string(c));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
if (hlog->flags & LOG_HTTP_EXTENDED) {
|
||||
/* referer */
|
||||
htp_header_t *h_referer = NULL;
|
||||
if (tx->request_headers != NULL) {
|
||||
h_referer = htp_table_get_c(tx->request_headers, "referer");
|
||||
}
|
||||
if (h_referer != NULL) {
|
||||
json_object_set_new(hjs, "referer",
|
||||
json_string(c = strndup(bstr_ptr(h_referer->value),
|
||||
bstr_len(h_referer->value))));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
/* method */
|
||||
if (tx->request_method != NULL) {
|
||||
json_object_set_new(hjs, "method",
|
||||
json_string(c = strndup(bstr_ptr(tx->request_method),
|
||||
bstr_len(tx->request_method))));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
/* protocol */
|
||||
if (tx->request_protocol != NULL) {
|
||||
json_object_set_new(hjs, "protocol",
|
||||
json_string(c = strndup(bstr_ptr(tx->request_protocol),
|
||||
bstr_len(tx->request_protocol))));
|
||||
if (c) free(c);
|
||||
}
|
||||
|
||||
/* response status */
|
||||
if (tx->response_status != NULL) {
|
||||
json_object_set_new(hjs, "status",
|
||||
json_string(c = strndup(bstr_ptr(tx->response_status),
|
||||
bstr_len(tx->response_status))));
|
||||
if (c) free(c);
|
||||
|
||||
htp_header_t *h_location = htp_table_get_c(tx->response_headers, "location");
|
||||
if (h_location != NULL) {
|
||||
json_object_set_new(hjs, "redirect",
|
||||
json_string(c = strndup(bstr_ptr(h_location->value),
|
||||
bstr_len(h_location->value))));
|
||||
if (c) free(c);
|
||||
}
|
||||
}
|
||||
|
||||
/* length */
|
||||
json_object_set_new(hjs, "length", json_integer(tx->response_message_len));
|
||||
}
|
||||
|
||||
json_object_set_new(js, "http", hjs);
|
||||
char *s = json_dumps(js, JSON_PRESERVE_ORDER|JSON_COMPACT|JSON_ENSURE_ASCII);
|
||||
MemBufferWriteRaw(aft->buffer, s, strlen(s));
|
||||
free(s);
|
||||
free(hjs);
|
||||
free(js);
|
||||
}
|
||||
#endif
|
||||
|
||||
static void LogHttpLogExtended(LogHttpLogThread *aft, htp_tx_t *tx)
|
||||
{
|
||||
MemBufferWriteString(aft->buffer, " [**] ");
|
||||
|
||||
/* referer */
|
||||
htp_header_t *h_referer = NULL;
|
||||
if (tx->request_headers != NULL) {
|
||||
h_referer = htp_table_get_c(tx->request_headers, "referer");
|
||||
}
|
||||
if (h_referer != NULL) {
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset, aft->buffer->size,
|
||||
(uint8_t *)bstr_ptr(h_referer->value),
|
||||
bstr_len(h_referer->value));
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, "<no referer>");
|
||||
}
|
||||
MemBufferWriteString(aft->buffer, " [**] ");
|
||||
|
||||
/* method */
|
||||
if (tx->request_method != NULL) {
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset, aft->buffer->size,
|
||||
(uint8_t *)bstr_ptr(tx->request_method),
|
||||
bstr_len(tx->request_method));
|
||||
}
|
||||
MemBufferWriteString(aft->buffer, " [**] ");
|
||||
|
||||
/* protocol */
|
||||
if (tx->request_protocol != NULL) {
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset, aft->buffer->size,
|
||||
(uint8_t *)bstr_ptr(tx->request_protocol),
|
||||
bstr_len(tx->request_protocol));
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, "<no protocol>");
|
||||
}
|
||||
MemBufferWriteString(aft->buffer, " [**] ");
|
||||
|
||||
/* response status */
|
||||
if (tx->response_status != NULL) {
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset, aft->buffer->size,
|
||||
(uint8_t *)bstr_ptr(tx->response_status),
|
||||
bstr_len(tx->response_status));
|
||||
/* Redirect? */
|
||||
if ((tx->response_status_number > 300) && ((tx->response_status_number) < 303)) {
|
||||
htp_header_t *h_location = htp_table_get_c(tx->response_headers, "location");
|
||||
if (h_location != NULL) {
|
||||
MemBufferWriteString(aft->buffer, " => ");
|
||||
|
||||
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset, aft->buffer->size,
|
||||
(uint8_t *)bstr_ptr(h_location->value),
|
||||
bstr_len(h_location->value));
|
||||
}
|
||||
}
|
||||
} else {
|
||||
MemBufferWriteString(aft->buffer, "<no status>");
|
||||
}
|
||||
|
||||
/* length */
|
||||
MemBufferWriteString(aft->buffer, " [**] %"PRIuMAX" bytes", (uintmax_t)tx->response_message_len);
|
||||
}
|
||||
|
||||
static TmEcode HttpJsonIPWrapper(ThreadVars *tv, Packet *p, void *data, PacketQueue *pq,
|
||||
PacketQueue *postpq, int ipproto)
|
||||
{
|
||||
SCEnter();
|
||||
|
||||
uint64_t tx_id = 0;
|
||||
uint64_t total_txs = 0;
|
||||
htp_tx_t *tx = NULL;
|
||||
HtpState *htp_state = NULL;
|
||||
int tx_progress = 0;
|
||||
int tx_progress_done_value_ts = 0;
|
||||
int tx_progress_done_value_tc = 0;
|
||||
LogHttpLogThread *aft = (LogHttpLogThread *)data;
|
||||
LogHttpFileCtx *hlog = aft->httplog_ctx;
|
||||
char timebuf[64];
|
||||
|
||||
/* no flow, no htp state */
|
||||
if (p->flow == NULL) {
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
/* check if we have HTTP state or not */
|
||||
FLOWLOCK_WRLOCK(p->flow); /* WRITE lock before we updated flow logged id */
|
||||
uint16_t proto = AppLayerGetProtoFromPacket(p);
|
||||
if (proto != ALPROTO_HTTP)
|
||||
goto end;
|
||||
|
||||
htp_state = (HtpState *)AppLayerGetProtoStateFromPacket(p);
|
||||
if (htp_state == NULL) {
|
||||
SCLogDebug("no http state, so no request logging");
|
||||
goto end;
|
||||
}
|
||||
|
||||
total_txs = AppLayerGetTxCnt(ALPROTO_HTTP, htp_state);
|
||||
tx_id = AppLayerTransactionGetLogId(p->flow);
|
||||
tx_progress_done_value_ts = AppLayerGetAlstateProgressCompletionStatus(ALPROTO_HTTP, 0);
|
||||
tx_progress_done_value_tc = AppLayerGetAlstateProgressCompletionStatus(ALPROTO_HTTP, 1);
|
||||
|
||||
CreateTimeString(&p->ts, timebuf, sizeof(timebuf));
|
||||
|
||||
char srcip[46], dstip[46];
|
||||
Port sp, dp;
|
||||
if ((PKT_IS_TOSERVER(p))) {
|
||||
switch (ipproto) {
|
||||
case AF_INET:
|
||||
PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), srcip, sizeof(srcip));
|
||||
PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), dstip, sizeof(dstip));
|
||||
break;
|
||||
case AF_INET6:
|
||||
PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), srcip, sizeof(srcip));
|
||||
PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), dstip, sizeof(dstip));
|
||||
break;
|
||||
default:
|
||||
goto end;
|
||||
}
|
||||
sp = p->sp;
|
||||
dp = p->dp;
|
||||
} else {
|
||||
switch (ipproto) {
|
||||
case AF_INET:
|
||||
PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), srcip, sizeof(srcip));
|
||||
PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), dstip, sizeof(dstip));
|
||||
break;
|
||||
case AF_INET6:
|
||||
PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), srcip, sizeof(srcip));
|
||||
PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), dstip, sizeof(dstip));
|
||||
break;
|
||||
default:
|
||||
goto end;
|
||||
}
|
||||
sp = p->dp;
|
||||
dp = p->sp;
|
||||
}
|
||||
|
||||
for (; tx_id < total_txs; tx_id++)
|
||||
{
|
||||
tx = AppLayerGetTx(ALPROTO_HTTP, htp_state, tx_id);
|
||||
if (tx == NULL) {
|
||||
SCLogDebug("tx is NULL not logging !!");
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!(((AppLayerParserStateStore *)p->flow->alparser)->id_flags & APP_LAYER_TRANSACTION_EOF)) {
|
||||
tx_progress = AppLayerGetAlstateProgress(ALPROTO_HTTP, tx, 0);
|
||||
if (tx_progress < tx_progress_done_value_ts)
|
||||
break;
|
||||
|
||||
tx_progress = AppLayerGetAlstateProgress(ALPROTO_HTTP, tx, 1);
|
||||
if (tx_progress < tx_progress_done_value_tc)
|
||||
break;
|
||||
}
|
||||
|
||||
SCLogDebug("got a HTTP request and now logging !!");
|
||||
|
||||
/* reset */
|
||||
MemBufferReset(aft->buffer);
|
||||
|
||||
if (hlog->flags & LOG_HTTP_CUSTOM) {
|
||||
LogHttpLogJSONCustom(aft, tx, &p->ts, srcip, sp, dstip, dp);
|
||||
//} else if (hlog->flags & LOG_HTTP_JSON) {
|
||||
} else {
|
||||
LogHttpLogJSON(aft, tx, timebuf, srcip, sp, dstip, dp);
|
||||
}
|
||||
|
||||
aft->uri_cnt ++;
|
||||
|
||||
SCMutexLock(&hlog->file_ctx->fp_mutex);
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
if (hlog->flags & LOG_HTTP_JSON_SYSLOG) {
|
||||
syslog(http_syslog_level, "%s", (char *)aft->buffer->buffer);
|
||||
} else {
|
||||
//if (hlog->flags & LOG_HTTP_JSON) {
|
||||
if (TRUE) {
|
||||
MemBufferWriteString(aft->buffer, "\n");
|
||||
}
|
||||
#endif
|
||||
(void)MemBufferPrintToFPAsString(aft->buffer, hlog->file_ctx->fp);
|
||||
fflush(hlog->file_ctx->fp);
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
}
|
||||
#endif
|
||||
SCMutexUnlock(&hlog->file_ctx->fp_mutex);
|
||||
|
||||
AppLayerTransactionUpdateLogId(ALPROTO_HTTP, p->flow);
|
||||
}
|
||||
|
||||
end:
|
||||
FLOWLOCK_UNLOCK(p->flow);
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
|
||||
}
|
||||
|
||||
TmEcode HttpJsonIPv4(ThreadVars *tv, Packet *p, void *data, PacketQueue *pq, PacketQueue *postpq)
|
||||
{
|
||||
return HttpJsonIPWrapper(tv, p, data, pq, postpq, AF_INET);
|
||||
}
|
||||
|
||||
TmEcode HttpJsonIPv6(ThreadVars *tv, Packet *p, void *data, PacketQueue *pq, PacketQueue *postpq)
|
||||
{
|
||||
return HttpJsonIPWrapper(tv, p, data, pq, postpq, AF_INET6);
|
||||
}
|
||||
|
||||
TmEcode HttpJson (ThreadVars *tv, Packet *p, void *data, PacketQueue *pq, PacketQueue *postpq)
|
||||
{
|
||||
SCEnter();
|
||||
|
||||
/* no flow, no htp state */
|
||||
if (p->flow == NULL) {
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
if (!(PKT_IS_TCP(p))) {
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
if (PKT_IS_IPV4(p)) {
|
||||
SCReturnInt(HttpJsonIPv4(tv, p, data, pq, postpq));
|
||||
} else if (PKT_IS_IPV6(p)) {
|
||||
SCReturnInt(HttpJsonIPv6(tv, p, data, pq, postpq));
|
||||
}
|
||||
|
||||
SCReturnInt(TM_ECODE_OK);
|
||||
}
|
||||
|
||||
TmEcode HttpJsonThreadInit(ThreadVars *t, void *initdata, void **data)
|
||||
{
|
||||
LogHttpLogThread *aft = SCMalloc(sizeof(LogHttpLogThread));
|
||||
if (unlikely(aft == NULL))
|
||||
return TM_ECODE_FAILED;
|
||||
memset(aft, 0, sizeof(LogHttpLogThread));
|
||||
|
||||
if(initdata == NULL)
|
||||
{
|
||||
SCLogDebug("Error getting context for HTTPLog. \"initdata\" argument NULL");
|
||||
SCFree(aft);
|
||||
return TM_ECODE_FAILED;
|
||||
}
|
||||
|
||||
aft->buffer = MemBufferCreateNew(OUTPUT_BUFFER_SIZE);
|
||||
if (aft->buffer == NULL) {
|
||||
SCFree(aft);
|
||||
return TM_ECODE_FAILED;
|
||||
}
|
||||
|
||||
/* Use the Ouptut Context (file pointer and mutex) */
|
||||
aft->httplog_ctx= ((OutputCtx *)initdata)->data;
|
||||
|
||||
*data = (void *)aft;
|
||||
return TM_ECODE_OK;
|
||||
}
|
||||
|
||||
TmEcode HttpJsonThreadDeinit(ThreadVars *t, void *data)
|
||||
{
|
||||
LogHttpLogThread *aft = (LogHttpLogThread *)data;
|
||||
if (aft == NULL) {
|
||||
return TM_ECODE_OK;
|
||||
}
|
||||
|
||||
MemBufferFree(aft->buffer);
|
||||
/* clear memory */
|
||||
memset(aft, 0, sizeof(LogHttpLogThread));
|
||||
|
||||
SCFree(aft);
|
||||
return TM_ECODE_OK;
|
||||
}
|
||||
|
||||
void HttpJsonExitPrintStats(ThreadVars *tv, void *data) {
|
||||
LogHttpLogThread *aft = (LogHttpLogThread *)data;
|
||||
if (aft == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
SCLogInfo("HTTP logger logged %" PRIu32 " requests", aft->uri_cnt);
|
||||
}
|
||||
|
||||
/** \brief Create a new http log LogFileCtx.
|
||||
* \param conf Pointer to ConfNode containing this loggers configuration.
|
||||
* \return NULL if failure, LogFileCtx* to the file_ctx if succesful
|
||||
* */
|
||||
OutputCtx *HttpJsonInitCtx(ConfNode *conf)
|
||||
{
|
||||
LogFileCtx* file_ctx = LogFileNewCtx();
|
||||
const char *p, *np;
|
||||
uint32_t n;
|
||||
if(file_ctx == NULL) {
|
||||
SCLogError(SC_ERR_HTTP_LOG_GENERIC, "couldn't create new file_ctx");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (SCConfLogOpenGeneric(conf, file_ctx, DEFAULT_LOG_FILENAME) < 0) {
|
||||
LogFileFreeCtx(file_ctx);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
LogHttpFileCtx *httplog_ctx = SCMalloc(sizeof(LogHttpFileCtx));
|
||||
if (unlikely(httplog_ctx == NULL)) {
|
||||
LogFileFreeCtx(file_ctx);
|
||||
return NULL;
|
||||
}
|
||||
memset(httplog_ctx, 0x00, sizeof(LogHttpFileCtx));
|
||||
|
||||
httplog_ctx->file_ctx = file_ctx;
|
||||
httplog_ctx->cf_n=0;
|
||||
|
||||
const char *extended = ConfNodeLookupChildValue(conf, "extended");
|
||||
const char *custom = ConfNodeLookupChildValue(conf, "custom");
|
||||
const char *customformat = ConfNodeLookupChildValue(conf, "customformat");
|
||||
const char *json = ConfNodeLookupChildValue(conf, "json");
|
||||
|
||||
/* If custom logging format is selected, lets parse it */
|
||||
if (custom != NULL && customformat != NULL && ConfValIsTrue(custom)) {
|
||||
p=customformat;
|
||||
httplog_ctx->flags |= LOG_HTTP_CUSTOM;
|
||||
for (httplog_ctx->cf_n = 0; httplog_ctx->cf_n < LOG_HTTP_MAXN_NODES-1 && p && *p != '\0';
|
||||
httplog_ctx->cf_n++){
|
||||
httplog_ctx->cf_nodes[httplog_ctx->cf_n] = SCMalloc(sizeof(LogHttpCustomFormatNode));
|
||||
httplog_ctx->cf_nodes[httplog_ctx->cf_n]->maxlen=0;
|
||||
if (httplog_ctx->cf_nodes[httplog_ctx->cf_n] == NULL) {
|
||||
for (n = 0; n < httplog_ctx->cf_n; n++) {
|
||||
SCFree(httplog_ctx->cf_nodes[n]);
|
||||
}
|
||||
LogFileFreeCtx(file_ctx);
|
||||
SCFree(httplog_ctx);
|
||||
return NULL;
|
||||
}
|
||||
if (*p != '%'){
|
||||
/* Literal found in format string */
|
||||
httplog_ctx->cf_nodes[httplog_ctx->cf_n]->type = LOG_HTTP_CF_LITERAL;
|
||||
np = strchr(p, '%');
|
||||
if (np == NULL){
|
||||
n = LOG_HTTP_NODE_STRLEN-2;
|
||||
np = NULL; /* End */
|
||||
}else{
|
||||
n = np-p;
|
||||
}
|
||||
strlcpy(httplog_ctx->cf_nodes[httplog_ctx->cf_n]->data,p,n+1);
|
||||
p = np;
|
||||
} else {
|
||||
/* Non Literal found in format string */
|
||||
p++;
|
||||
if (*p == '[') { /* Check if maxlength has been specified (ie: [25]) */
|
||||
p++;
|
||||
np = strchr(p, ']');
|
||||
if (np != NULL) {
|
||||
if (np-p > 0 && np-p < 10){
|
||||
long maxlen = strtol(p,NULL,10);
|
||||
if (maxlen > 0 && maxlen < LOG_HTTP_NODE_MAXOUTPUTLEN) {
|
||||
httplog_ctx->cf_nodes[httplog_ctx->cf_n]->maxlen = (uint32_t) maxlen;
|
||||
}
|
||||
} else {
|
||||
goto parsererror;
|
||||
}
|
||||
p = np + 1;
|
||||
} else {
|
||||
goto parsererror;
|
||||
}
|
||||
}
|
||||
if (*p == '{') { /* Simple format char */
|
||||
np = strchr(p, '}');
|
||||
if (np != NULL && np-p > 1 && np-p < LOG_HTTP_NODE_STRLEN-2) {
|
||||
p++;
|
||||
n = np-p;
|
||||
strlcpy(httplog_ctx->cf_nodes[httplog_ctx->cf_n]->data, p, n+1);
|
||||
p = np;
|
||||
} else {
|
||||
goto parsererror;
|
||||
}
|
||||
p++;
|
||||
} else {
|
||||
httplog_ctx->cf_nodes[httplog_ctx->cf_n]->data[0] = '\0';
|
||||
}
|
||||
httplog_ctx->cf_nodes[httplog_ctx->cf_n]->type = *p;
|
||||
if (*p == '%'){
|
||||
httplog_ctx->cf_nodes[httplog_ctx->cf_n]->type = LOG_HTTP_CF_LITERAL;
|
||||
strlcpy(httplog_ctx->cf_nodes[httplog_ctx->cf_n]->data, "%", 2);
|
||||
}
|
||||
p++;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (extended == NULL) {
|
||||
httplog_ctx->flags |= LOG_HTTP_DEFAULT;
|
||||
} else {
|
||||
if (ConfValIsTrue(extended)) {
|
||||
httplog_ctx->flags |= LOG_HTTP_EXTENDED;
|
||||
}
|
||||
}
|
||||
}
|
||||
#ifdef HAVE_LIBJANSSON
|
||||
if (json) {
|
||||
if (strcmp(json, "syslog") == 0) {
|
||||
httplog_ctx->flags |= LOG_HTTP_JSON_SYSLOG;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
OutputCtx *output_ctx = SCCalloc(1, sizeof(OutputCtx));
|
||||
if (unlikely(output_ctx == NULL)) {
|
||||
goto parsererror;
|
||||
}
|
||||
|
||||
output_ctx->data = httplog_ctx;
|
||||
output_ctx->DeInit = HttpJsonDeInitCtx;
|
||||
|
||||
SCLogDebug("HTTP log output initialized");
|
||||
|
||||
return output_ctx;
|
||||
|
||||
parsererror:
|
||||
for (n = 0;n < httplog_ctx->cf_n;n++) {
|
||||
SCFree(httplog_ctx->cf_nodes[n]);
|
||||
}
|
||||
LogFileFreeCtx(file_ctx);
|
||||
SCFree(httplog_ctx);
|
||||
SCLogError(SC_ERR_INVALID_ARGUMENT,"Syntax error in custom http log format string.");
|
||||
return NULL;
|
||||
|
||||
}
|
||||
|
||||
static void HttpJsonDeInitCtx(OutputCtx *output_ctx)
|
||||
{
|
||||
LogHttpFileCtx *httplog_ctx = (LogHttpFileCtx *)output_ctx->data;
|
||||
uint32_t i;
|
||||
for (i = 0; i < httplog_ctx->cf_n; i++) {
|
||||
SCFree(httplog_ctx->cf_nodes[i]);
|
||||
}
|
||||
LogFileFreeCtx(httplog_ctx->file_ctx);
|
||||
SCFree(httplog_ctx);
|
||||
SCFree(output_ctx);
|
||||
}
|
@ -0,0 +1,32 @@
|
||||
/* Copyright (C) 2007-2010 Open Information Security Foundation
|
||||
*
|
||||
* You can copy, redistribute or modify this Program under the terms of
|
||||
* the GNU General Public License version 2 as published by the Free
|
||||
* Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* version 2 along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
*
|
||||
* \author Victor Julien <victor@inliniac.net>
|
||||
*/
|
||||
|
||||
#ifndef __OUTPUT_HTTPLOG_H__
|
||||
#define __OUTPUT_HTTPLOG_H__
|
||||
|
||||
void TmModuleHttpJsonRegister (void);
|
||||
void TmModuleHttpJsonIPv4Register (void);
|
||||
void TmModuleHttpJsonIPv6Register (void);
|
||||
OutputCtx *HttpJsonInitCtx(ConfNode *);
|
||||
|
||||
#endif /* __OUTPUT_HTTPLOG_H__ */
|
Loading…
Reference in New Issue