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1624 lines
54 KiB
C
1624 lines
54 KiB
C
/* Copyright (C) 2007-2011 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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*
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* This file provides HTTP protocol file handling support for the engine
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* using HTP library.
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*/
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#include "suricata.h"
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#include "suricata-common.h"
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#include "debug.h"
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#include "decode.h"
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#include "threads.h"
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#include "util-print.h"
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#include "util-pool.h"
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#include "util-radix-tree.h"
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#include "stream-tcp-private.h"
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#include "stream-tcp-reassemble.h"
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#include "stream-tcp.h"
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#include "stream.h"
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#include "app-layer.h"
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#include "app-layer-protos.h"
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#include "app-layer-parser.h"
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#include "app-layer-htp.h"
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#include "util-spm.h"
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#include "util-debug.h"
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#include "app-layer-htp.h"
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#include "util-time.h"
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#include "util-unittest.h"
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#include "util-unittest-helper.h"
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#include "flow-util.h"
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#include "detect-engine.h"
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#include "detect-engine-state.h"
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#include "detect-parse.h"
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#include "conf.h"
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#include "util-memcmp.h"
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/**
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* \brief Open the file with "filename" and pass the first chunk
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* of data if any.
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*
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* \param s http state
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* \param filename name of the file
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* \param filename_len length of the name
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* \param data data chunk (if any)
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* \param data_len length of the data portion
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* \param direction flow direction
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*
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* \retval 0 ok
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* \retval -1 error
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* \retval -2 not handling files on this flow
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*/
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int HTPFileOpen(HtpState *s, uint8_t *filename, uint16_t filename_len,
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uint8_t *data, uint32_t data_len, uint16_t txid, uint8_t direction)
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{
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int retval = 0;
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uint8_t flags = 0;
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FileContainer *files = NULL;
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FileContainer *files_opposite = NULL;
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SCLogDebug("data %p data_len %"PRIu32, data, data_len);
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if (s == NULL) {
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SCReturnInt(-1);
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}
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if (direction & STREAM_TOCLIENT) {
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if (s->files_tc == NULL) {
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s->files_tc = FileContainerAlloc();
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if (s->files_tc == NULL) {
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retval = -1;
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goto end;
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}
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}
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files = s->files_tc;
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files_opposite = s->files_ts;
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if ((s->flags & HTP_FLAG_STORE_FILES_TS) ||
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((s->flags & HTP_FLAG_STORE_FILES_TX_TS) && txid == s->store_tx_id)) {
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flags |= FILE_STORE;
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}
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if (s->f->flags & FLOW_FILE_NO_MAGIC_TC) {
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SCLogDebug("no magic for this flow in toclient direction, so none for this file");
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flags |= FILE_NOMAGIC;
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}
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if (s->f->flags & FLOW_FILE_NO_MD5_TC) {
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SCLogDebug("no md5 for this flow in toclient direction, so none for this file");
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flags |= FILE_NOMD5;
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}
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if (!(flags & FILE_STORE) && (s->f->flags & FLOW_FILE_NO_STORE_TC)) {
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flags |= FILE_NOSTORE;
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}
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} else {
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if (s->files_ts == NULL) {
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s->files_ts = FileContainerAlloc();
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if (s->files_ts == NULL) {
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retval = -1;
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goto end;
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}
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}
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files = s->files_ts;
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files_opposite = s->files_tc;
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if ((s->flags & HTP_FLAG_STORE_FILES_TC) ||
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((s->flags & HTP_FLAG_STORE_FILES_TX_TC) && txid == s->store_tx_id)) {
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flags |= FILE_STORE;
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}
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if (s->f->flags & FLOW_FILE_NO_MAGIC_TS) {
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SCLogDebug("no magic for this flow in toserver direction, so none for this file");
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flags |= FILE_NOMAGIC;
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}
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if (s->f->flags & FLOW_FILE_NO_MD5_TS) {
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SCLogDebug("no md5 for this flow in toserver direction, so none for this file");
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flags |= FILE_NOMD5;
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}
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if (!(flags & FILE_STORE) && (s->f->flags & FLOW_FILE_NO_STORE_TS)) {
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flags |= FILE_NOSTORE;
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}
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}
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/* if the previous file is in the same txid, we reset the file part of the
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* stateful detection engine. We cannot do that here directly, because of
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* locking order. Flow is locked at this point and we can't lock flow
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* before de_state */
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if (files != NULL && files->tail != NULL && files->tail->txid == txid) {
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SCLogDebug("new file in same tx, flagging http state for de_state reset");
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if (direction & STREAM_TOCLIENT) {
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s->flags |= HTP_FLAG_NEW_FILE_TX_TC;
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} else {
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s->flags |= HTP_FLAG_NEW_FILE_TX_TS;
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}
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}
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if (files_opposite != NULL && files_opposite->tail != NULL && files_opposite->tail->txid == txid) {
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SCLogDebug("new file in same tx, flagging http state for de_state reset");
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if (direction & STREAM_TOCLIENT) {
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SCLogDebug("flagging TC");
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s->flags |= HTP_FLAG_NEW_FILE_TX_TC;
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} else {
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SCLogDebug("flagging TS");
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s->flags |= HTP_FLAG_NEW_FILE_TX_TS;
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}
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}
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if (FileOpenFile(files, filename, filename_len,
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data, data_len, flags) == NULL)
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{
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retval = -1;
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}
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FileSetTx(files->tail, txid);
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FilePrune(files);
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end:
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SCReturnInt(retval);
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}
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/**
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* \brief Store a chunk of data in the flow
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*
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* \param s http state
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* \param data data chunk (if any)
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* \param data_len length of the data portion
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* \param direction flow direction
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*
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* \retval 0 ok
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* \retval -1 error
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* \retval -2 file doesn't need storing
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*/
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int HTPFileStoreChunk(HtpState *s, uint8_t *data, uint32_t data_len,
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uint8_t direction)
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{
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SCEnter();
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int retval = 0;
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int result = 0;
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FileContainer *files = NULL;
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if (s == NULL) {
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SCReturnInt(-1);
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}
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if (direction & STREAM_TOCLIENT) {
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files = s->files_tc;
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} else {
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files = s->files_ts;
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}
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if (files == NULL) {
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SCLogDebug("no files in state");
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retval = -1;
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goto end;
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}
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result = FileAppendData(files, data, data_len);
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if (result == -1) {
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SCLogDebug("appending data failed");
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retval = -1;
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} else if (result == -2) {
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retval = -2;
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}
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FilePrune(files);
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end:
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SCReturnInt(retval);
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}
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/**
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* \brief Close the file in the flow
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*
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* \param s http state
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* \param data data chunk if any
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* \param data_len length of the data portion
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* \param flags flags to indicate events
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* \param direction flow direction
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*
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* Currently on the FLOW_FILE_TRUNCATED flag is implemented, indicating
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* that the file isn't complete but we're stopping storing it.
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*
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* \retval 0 ok
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* \retval -1 error
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* \retval -2 not storing files on this flow/tx
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*/
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int HTPFileClose(HtpState *s, uint8_t *data, uint32_t data_len,
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uint8_t flags, uint8_t direction)
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{
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SCEnter();
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int retval = 0;
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int result = 0;
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FileContainer *files = NULL;
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if (s == NULL) {
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SCReturnInt(-1);
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}
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if (direction & STREAM_TOCLIENT) {
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files = s->files_tc;
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} else {
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files = s->files_ts;
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}
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if (files == NULL) {
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retval = -1;
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goto end;
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}
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result = FileCloseFile(files, data, data_len, flags);
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if (result == -1) {
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retval = -1;
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} else if (result == -2) {
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retval = -2;
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}
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FilePrune(files);
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end:
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SCReturnInt(retval);
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}
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#ifdef UNITTESTS
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static int HTPFileParserTest01(void) {
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int result = 0;
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Flow *f = NULL;
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uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
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"Host: www.server.lan\r\n"
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"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
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"Content-Length: 215\r\n"
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"\r\n"
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"-----------------------------277531038314945\r\n"
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"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
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"Content-Type: image/jpeg\r\n"
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"\r\n";
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uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
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uint8_t httpbuf2[] = "filecontent\r\n"
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"-----------------------------277531038314945--";
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uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
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TcpSession ssn;
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AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
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HtpState *http_state = NULL;
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memset(&ssn, 0, sizeof(ssn));
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f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
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if (f == NULL)
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goto end;
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f->protoctx = &ssn;
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f->proto = IPPROTO_TCP;
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StreamTcpInitConfig(TRUE);
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SCLogDebug("\n>>>> processing chunk 1 <<<<\n");
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SCMutexLock(&f->m);
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int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
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if (r != 0) {
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
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result = 0;
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SCMutexUnlock(&f->m);
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goto end;
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}
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SCMutexUnlock(&f->m);
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SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
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SCMutexLock(&f->m);
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r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
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if (r != 0) {
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printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
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result = 0;
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SCMutexUnlock(&f->m);
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goto end;
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}
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SCMutexUnlock(&f->m);
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http_state = f->alstate;
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if (http_state == NULL) {
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printf("no http state: ");
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result = 0;
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goto end;
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}
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htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, http_state, 0);
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if (tx == NULL) {
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goto end;
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}
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if (tx->request_method == NULL || memcmp(bstr_util_strdup_to_c(tx->request_method), "POST", 4) != 0)
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{
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printf("expected method POST, got %s \n", bstr_util_strdup_to_c(tx->request_method));
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goto end;
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}
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result = 1;
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end:
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if (alp_tctx != NULL)
|
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AppLayerParserThreadCtxFree(alp_tctx);
|
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StreamTcpFreeConfig(TRUE);
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if (http_state != NULL)
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HTPStateFree(http_state);
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UTHFreeFlow(f);
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return result;
|
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}
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|
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static int HTPFileParserTest02(void) {
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int result = 0;
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Flow *f = NULL;
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uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
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"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
|
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"Content-Length: 337\r\n"
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"\r\n";
|
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uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
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|
|
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uint8_t httpbuf2[] = "-----------------------------277531038314945\r\n"
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"Content-Disposition: form-data; name=\"email\"\r\n"
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"\r\n"
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"someaddress@somedomain.lan\r\n";
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uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
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uint8_t httpbuf3[] = "-----------------------------277531038314945\r\n"
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"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
|
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"Content-Type: image/jpeg\r\n"
|
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"\r\n";
|
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uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
|
|
|
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uint8_t httpbuf4[] = "filecontent\r\n"
|
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"-----------------------------277531038314945--";
|
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uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
|
|
|
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TcpSession ssn;
|
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HtpState *http_state = NULL;
|
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AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
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|
|
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memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 <<<<\n");
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf3, httplen3);
|
|
if (r != 0) {
|
|
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf4, httplen4);
|
|
if (r != 0) {
|
|
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, http_state, 0);
|
|
if (tx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
if (tx->request_method == NULL || memcmp(bstr_util_strdup_to_c(tx->request_method), "POST", 4) != 0)
|
|
{
|
|
printf("expected method POST, got %s \n", bstr_util_strdup_to_c(tx->request_method));
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts == NULL || http_state->files_ts->tail == NULL ||
|
|
http_state->files_ts->tail->state != FILE_STATE_CLOSED) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
static int HTPFileParserTest03(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
|
|
"Content-Length: 337\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf2[] = "-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"email\"\r\n"
|
|
"\r\n"
|
|
"someaddress@somedomain.lan\r\n";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf3[] = "-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
|
|
"Content-Type: image/jpeg\r\n"
|
|
"\r\n";
|
|
uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf4[] = "file";
|
|
uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf5[] = "content\r\n";
|
|
uint32_t httplen5 = sizeof(httpbuf5) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf6[] = "-----------------------------277531038314945--";
|
|
uint32_t httplen6 = sizeof(httpbuf6) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 <<<<\n");
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf3, httplen3);
|
|
if (r != 0) {
|
|
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf4, httplen4);
|
|
if (r != 0) {
|
|
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 5 size %u <<<<\n", httplen5);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf5, httplen5);
|
|
if (r != 0) {
|
|
printf("toserver chunk 5 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 6 size %u <<<<\n", httplen6);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf6, httplen6);
|
|
if (r != 0) {
|
|
printf("toserver chunk 6 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, http_state, 0);
|
|
if (tx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
if (tx->request_method == NULL || memcmp(bstr_util_strdup_to_c(tx->request_method), "POST", 4) != 0)
|
|
{
|
|
printf("expected method POST, got %s \n", bstr_util_strdup_to_c(tx->request_method));
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts == NULL || http_state->files_ts->tail == NULL ||
|
|
http_state->files_ts->tail->state != FILE_STATE_CLOSED) {
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts->head->chunks_head->len != 11) {
|
|
printf("filedata len not 11 but %u: ", http_state->files_ts->head->chunks_head->len);
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
static int HTPFileParserTest04(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
|
|
"Content-Length: 373\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf2[] = "-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"email\"\r\n"
|
|
"\r\n"
|
|
"someaddress@somedomain.lan\r\n";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf3[] = "-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
|
|
"Content-Type: image/jpeg\r\n"
|
|
"\r\n";
|
|
uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf4[] = "file0123456789abcdefghijklmnopqrstuvwxyz";
|
|
uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf5[] = "content\r\n";
|
|
uint32_t httplen5 = sizeof(httpbuf5) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf6[] = "-----------------------------277531038314945--";
|
|
uint32_t httplen6 = sizeof(httpbuf6) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 <<<<\n");
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf3, httplen3);
|
|
if (r != 0) {
|
|
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf4, httplen4);
|
|
if (r != 0) {
|
|
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 5 size %u <<<<\n", httplen5);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf5, httplen5);
|
|
if (r != 0) {
|
|
printf("toserver chunk 5 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 6 size %u <<<<\n", httplen6);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf6, httplen6);
|
|
if (r != 0) {
|
|
printf("toserver chunk 6 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, http_state, 0);
|
|
if (tx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
if (tx->request_method == NULL || memcmp(bstr_util_strdup_to_c(tx->request_method), "POST", 4) != 0)
|
|
{
|
|
printf("expected method POST, got %s: ", bstr_util_strdup_to_c(tx->request_method));
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts == NULL || http_state->files_ts->tail == NULL ||
|
|
http_state->files_ts->tail->state != FILE_STATE_CLOSED) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
static int HTPFileParserTest05(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
|
|
"Content-Length: 544\r\n"
|
|
"\r\n"
|
|
"-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
|
|
"Content-Type: image/jpeg\r\n"
|
|
"\r\n"
|
|
"filecontent\r\n"
|
|
"-----------------------------277531038314945\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
uint8_t httpbuf2[] = "Content-Disposition: form-data; name=\"uploadfile_1\"; filename=\"somepicture2.jpg\"\r\n"
|
|
"Content-Type: image/jpeg\r\n"
|
|
"\r\n"
|
|
"FILECONTENT\r\n"
|
|
"-----------------------------277531038314945--";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 size %u <<<<\n", httplen1);
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, http_state, 0);
|
|
if (tx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
if (tx->request_method == NULL || memcmp(bstr_util_strdup_to_c(tx->request_method), "POST", 4) != 0)
|
|
{
|
|
printf("expected method POST, got %s \n", bstr_util_strdup_to_c(tx->request_method));
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts == NULL || http_state->files_ts->tail == NULL ||
|
|
http_state->files_ts->tail->state != FILE_STATE_CLOSED) {
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts->head == http_state->files_ts->tail)
|
|
goto end;
|
|
|
|
if (http_state->files_ts->head->next != http_state->files_ts->tail)
|
|
goto end;
|
|
|
|
if (http_state->files_ts->head->chunks_head->len != 11) {
|
|
printf("expected 11 but file is %u bytes instead: ",
|
|
http_state->files_ts->head->chunks_head->len);
|
|
PrintRawDataFp(stdout, http_state->files_ts->head->chunks_head->data,
|
|
http_state->files_ts->head->chunks_head->len);
|
|
goto end;
|
|
}
|
|
|
|
if (memcmp("filecontent", http_state->files_ts->head->chunks_head->data,
|
|
http_state->files_ts->head->chunks_head->len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts->tail->chunks_head->len != 11) {
|
|
printf("expected 11 but file is %u bytes instead: ",
|
|
http_state->files_ts->tail->chunks_head->len);
|
|
PrintRawDataFp(stdout, http_state->files_ts->tail->chunks_head->data,
|
|
http_state->files_ts->tail->chunks_head->len);
|
|
goto end;
|
|
}
|
|
|
|
if (memcmp("FILECONTENT", http_state->files_ts->tail->chunks_head->data,
|
|
http_state->files_ts->tail->chunks_head->len) != 0) {
|
|
goto end;
|
|
}
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
/** \test first multipart part contains file but doesn't end in first chunk */
|
|
static int HTPFileParserTest06(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
|
|
"Content-Length: 544\r\n"
|
|
"\r\n"
|
|
"-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
|
|
"Content-Type: image/jpeg\r\n"
|
|
"\r\n"
|
|
"filecontent\r\n"
|
|
"-----------------------------27753103831494";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
uint8_t httpbuf2[] = "5\r\nContent-Disposition: form-data; name=\"uploadfile_1\"; filename=\"somepicture2.jpg\"\r\n"
|
|
"Content-Type: image/jpeg\r\n"
|
|
"\r\n"
|
|
"FILECONTENT\r\n"
|
|
"-----------------------------277531038314945--";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 size %u <<<<\n", httplen1);
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, http_state, 0);
|
|
if (tx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
if (tx->request_method == NULL || memcmp(bstr_util_strdup_to_c(tx->request_method), "POST", 4) != 0)
|
|
{
|
|
printf("expected method POST, got %s \n", bstr_util_strdup_to_c(tx->request_method));
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts == NULL || http_state->files_ts->tail == NULL ||
|
|
http_state->files_ts->tail->state != FILE_STATE_CLOSED) {
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts->head == http_state->files_ts->tail)
|
|
goto end;
|
|
|
|
if (http_state->files_ts->head->next != http_state->files_ts->tail)
|
|
goto end;
|
|
|
|
if (http_state->files_ts->head->chunks_head->len != 11) {
|
|
printf("expected 11 but file is %u bytes instead: ",
|
|
http_state->files_ts->head->chunks_head->len);
|
|
PrintRawDataFp(stdout, http_state->files_ts->head->chunks_head->data,
|
|
http_state->files_ts->head->chunks_head->len);
|
|
goto end;
|
|
}
|
|
|
|
if (memcmp("filecontent", http_state->files_ts->head->chunks_head->data,
|
|
http_state->files_ts->head->chunks_head->len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts->tail->chunks_head->len != 11) {
|
|
printf("expected 11 but file is %u bytes instead: ",
|
|
http_state->files_ts->tail->chunks_head->len);
|
|
PrintRawDataFp(stdout, http_state->files_ts->tail->chunks_head->data,
|
|
http_state->files_ts->tail->chunks_head->len);
|
|
goto end;
|
|
}
|
|
|
|
if (memcmp("FILECONTENT", http_state->files_ts->tail->chunks_head->data,
|
|
http_state->files_ts->tail->chunks_head->len) != 0) {
|
|
goto end;
|
|
}
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
/** \test POST, but not multipart */
|
|
static int HTPFileParserTest07(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /filename HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Length: 11\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
uint8_t httpbuf2[] = "FILECONTENT";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 size %u <<<<\n", httplen1);
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, http_state, 0);
|
|
if (tx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
if (tx->request_method == NULL || memcmp(bstr_util_strdup_to_c(tx->request_method), "POST", 4) != 0)
|
|
{
|
|
printf("expected method POST, got %s \n", bstr_util_strdup_to_c(tx->request_method));
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts == NULL || http_state->files_ts->tail == NULL ||
|
|
http_state->files_ts->tail->state != FILE_STATE_CLOSED) {
|
|
printf("state != FILE_STATE_CLOSED");
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts->head->chunks_head->len != 11) {
|
|
printf("expected 11 but file is %u bytes instead: ",
|
|
http_state->files_ts->head->chunks_head->len);
|
|
PrintRawDataFp(stdout, http_state->files_ts->head->chunks_head->data,
|
|
http_state->files_ts->head->chunks_head->len);
|
|
goto end;
|
|
}
|
|
|
|
if (memcmp("FILECONTENT", http_state->files_ts->head->chunks_head->data,
|
|
http_state->files_ts->head->chunks_head->len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
static int HTPFileParserTest08(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
|
|
"Content-Length: 215\r\n"
|
|
"\r\n"
|
|
"-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
|
|
"Content-Type: image/jpeg\r\n";
|
|
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
uint8_t httpbuf2[] = "filecontent\r\n\r\n"
|
|
"-----------------------------277531038314945--";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
HtpState *http_state = NULL;
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 <<<<\n");
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SCMutexLock(&f->m);
|
|
AppLayerDecoderEvents *decoder_events = AppLayerParserGetEventsByTx(IPPROTO_TCP, ALPROTO_HTTP,f->alstate, 0);
|
|
if (decoder_events == NULL) {
|
|
printf("no app events: ");
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
if (decoder_events->cnt != 2) {
|
|
printf("expected 2 events: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
/** \test invalid header: Somereallylongheaderstr: has no value */
|
|
static int HTPFileParserTest09(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
|
|
"Content-Length: 337\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf2[] = "-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"email\"\r\n"
|
|
"\r\n"
|
|
"someaddress@somedomain.lan\r\n";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf3[] = "-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
|
|
"Somereallylongheaderstr:\r\n"
|
|
"\r\n";
|
|
uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf4[] = "filecontent\r\n"
|
|
"-----------------------------277531038314945--";
|
|
uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 <<<<\n");
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf3, httplen3);
|
|
if (r != 0) {
|
|
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf4, httplen4);
|
|
if (r != 0) {
|
|
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SCMutexLock(&f->m);
|
|
AppLayerDecoderEvents *decoder_events = AppLayerParserGetEventsByTx(IPPROTO_TCP, ALPROTO_HTTP,f->alstate, 0);
|
|
if (decoder_events == NULL) {
|
|
printf("no app events: ");
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
if (decoder_events->cnt != 1) {
|
|
printf("expected 1 event: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
/** \test empty entries */
|
|
static int HTPFileParserTest10(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=---------------------------277531038314945\r\n"
|
|
"Content-Length: 337\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf2[] = "-----------------------------277531038314945\r\n"
|
|
"\r\n";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf3[] = "-----------------------------277531038314945\r\n"
|
|
"Content-Disposition: form-data; name=\"uploadfile_0\"; filename=\"somepicture1.jpg\"\r\n"
|
|
"Somereallylongheaderstr: with a good value\r\n"
|
|
"\r\n";
|
|
uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf4[] = "filecontent\r\n"
|
|
"-----------------------------277531038314945--";
|
|
uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 <<<<\n");
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf3, httplen3);
|
|
if (r != 0) {
|
|
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf4, httplen4);
|
|
if (r != 0) {
|
|
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
SCMutexLock(&f->m);
|
|
AppLayerDecoderEvents *decoder_events = AppLayerParserGetEventsByTx(IPPROTO_TCP, ALPROTO_HTTP,f->alstate, 0);
|
|
if (decoder_events != NULL) {
|
|
printf("app events: ");
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
/** \test filedata cut in two pieces */
|
|
static int HTPFileParserTest11(void) {
|
|
int result = 0;
|
|
Flow *f = NULL;
|
|
uint8_t httpbuf1[] = "POST /upload.cgi HTTP/1.1\r\n"
|
|
"Host: www.server.lan\r\n"
|
|
"Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Length: 1102\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf2[] = "------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n";
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf3[] = "Content-Disposition: form-data; name=\"PROGRESS_URL\"\r\n"
|
|
"\r\n"
|
|
"http://somserver.com/progress.php?UPLOAD_IDENTIFIER=XXXXXXXXX.XXXXXXXXXX.XXXXXXXX.XX.X\r\n"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Disposition: form-data; name=\"DESTINATION_DIR\"\r\n"
|
|
"\r\n"
|
|
"10\r\n"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Disposition: form-data; name=\"js_enabled\"\r\n"
|
|
"\r\n"
|
|
"1"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Disposition: form-data; name=\"signature\"\r\n"
|
|
"\r\n"
|
|
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\r\n"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Disposition: form-data; name=\"upload_files\"\r\n"
|
|
"\r\n"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Disposition: form-data; name=\"terms\"\r\n"
|
|
"\r\n"
|
|
"1"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Disposition: form-data; name=\"file[]\"\r\n"
|
|
"\r\n"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Disposition: form-data; name=\"description[]\"\r\n"
|
|
"\r\n"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo\r\n"
|
|
"Content-Disposition: form-data; name=\"upload_file[]\"; filename=\"filename.doc\"\r\n"
|
|
"Content-Type: application/msword\r\n"
|
|
"\r\n"
|
|
"FILE";
|
|
uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
|
|
|
|
uint8_t httpbuf4[] = "CONTENT\r\n"
|
|
"------WebKitFormBoundaryBRDbP74mBhBxsIdo--";
|
|
uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
|
|
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 1024, 80);
|
|
if (f == NULL)
|
|
goto end;
|
|
f->protoctx = &ssn;
|
|
f->proto = IPPROTO_TCP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 1 <<<<\n");
|
|
SCMutexLock(&f->m);
|
|
int r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3);
|
|
if (r != 0) {
|
|
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4);
|
|
SCMutexLock(&f->m);
|
|
r = AppLayerParserParse(alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_EOF, httpbuf4, httplen4);
|
|
if (r != 0) {
|
|
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
http_state = f->alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
goto end;
|
|
}
|
|
|
|
SCMutexLock(&f->m);
|
|
AppLayerDecoderEvents *decoder_events = AppLayerParserGetEventsByTx(IPPROTO_TCP, ALPROTO_HTTP,f->alstate, 0);
|
|
if (decoder_events != NULL) {
|
|
printf("app events: ");
|
|
SCMutexUnlock(&f->m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f->m);
|
|
|
|
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, http_state, 0);
|
|
if (tx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
if (tx->request_method == NULL || memcmp(bstr_util_strdup_to_c(tx->request_method), "POST", 4) != 0)
|
|
{
|
|
printf("expected method POST, got %s \n", bstr_util_strdup_to_c(tx->request_method));
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts == NULL || http_state->files_ts->tail == NULL ||
|
|
http_state->files_ts->tail->state != FILE_STATE_CLOSED) {
|
|
printf("state != FILE_STATE_CLOSED: ");
|
|
goto end;
|
|
}
|
|
|
|
if (http_state->files_ts->head->chunks_head->len != 11) {
|
|
printf("expected 11 but file is %u bytes instead: ",
|
|
http_state->files_ts->head->chunks_head->len);
|
|
PrintRawDataFp(stdout, http_state->files_ts->head->chunks_head->data,
|
|
http_state->files_ts->head->chunks_head->len);
|
|
goto end;
|
|
}
|
|
|
|
if (memcmp("FILECONTENT", http_state->files_ts->head->chunks_head->data,
|
|
http_state->files_ts->head->chunks_head->len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
StreamTcpFreeConfig(TRUE);
|
|
if (http_state != NULL)
|
|
HTPStateFree(http_state);
|
|
UTHFreeFlow(f);
|
|
return result;
|
|
}
|
|
|
|
#endif /* UNITTESTS */
|
|
|
|
void HTPFileParserRegisterTests(void) {
|
|
#ifdef UNITTESTS
|
|
UtRegisterTest("HTPFileParserTest01", HTPFileParserTest01, 1);
|
|
UtRegisterTest("HTPFileParserTest02", HTPFileParserTest02, 1);
|
|
UtRegisterTest("HTPFileParserTest03", HTPFileParserTest03, 1);
|
|
UtRegisterTest("HTPFileParserTest04", HTPFileParserTest04, 1);
|
|
UtRegisterTest("HTPFileParserTest05", HTPFileParserTest05, 1);
|
|
UtRegisterTest("HTPFileParserTest06", HTPFileParserTest06, 1);
|
|
UtRegisterTest("HTPFileParserTest07", HTPFileParserTest07, 1);
|
|
UtRegisterTest("HTPFileParserTest08", HTPFileParserTest08, 1);
|
|
UtRegisterTest("HTPFileParserTest09", HTPFileParserTest09, 1);
|
|
UtRegisterTest("HTPFileParserTest10", HTPFileParserTest10, 1);
|
|
UtRegisterTest("HTPFileParserTest11", HTPFileParserTest11, 1);
|
|
#endif /* UNITTESTS */
|
|
}
|