/* Copyright (C) 2007-2011 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 * * This file provides HTTP protocol file handling support for the engine * using HTP library. */ #include "suricata.h" #include "suricata-common.h" #include "debug.h" #include "decode.h" #include "threads.h" #include "util-print.h" #include "util-pool.h" #include "util-radix-tree.h" #include "stream-tcp-private.h" #include "stream-tcp-reassemble.h" #include "stream-tcp.h" #include "stream.h" #include "app-layer.h" #include "app-layer-protos.h" #include "app-layer-parser.h" #include "app-layer-htp.h" #include "app-layer-htp-file.h" #include "util-spm.h" #include "util-debug.h" #include "util-time.h" #include "util-unittest.h" #include "util-unittest-helper.h" #include "flow-util.h" #include "detect-engine.h" #include "detect-engine-state.h" #include "detect-parse.h" #include "conf.h" #include "util-memcmp.h" /** * \brief Open the file with "filename" and pass the first chunk * of data if any. * * \param s http state * \param filename name of the file * \param filename_len length of the name * \param data data chunk (if any) * \param data_len length of the data portion * \param direction flow direction * * \retval 0 ok * \retval -1 error * \retval -2 not handling files on this flow */ int HTPFileOpen(HtpState *s, const uint8_t *filename, uint16_t filename_len, const uint8_t *data, uint32_t data_len, uint64_t txid, uint8_t direction) { int retval = 0; uint16_t flags = 0; FileContainer *files = NULL; const StreamingBufferConfig *sbcfg = NULL; SCLogDebug("data %p data_len %"PRIu32, data, data_len); if (s == NULL) { SCReturnInt(-1); } if (direction & STREAM_TOCLIENT) { if (s->files_tc == NULL) { s->files_tc = FileContainerAlloc(); if (s->files_tc == NULL) { retval = -1; goto end; } } files = s->files_tc; flags = FileFlowToFlags(s->f, STREAM_TOCLIENT); if ((s->flags & HTP_FLAG_STORE_FILES_TS) || ((s->flags & HTP_FLAG_STORE_FILES_TX_TS) && txid == s->store_tx_id)) { flags |= FILE_STORE; flags &= ~FILE_NOSTORE; } else if (!(flags & FILE_STORE) && (s->f->file_flags & FLOWFILE_NO_STORE_TC)) { flags |= FILE_NOSTORE; } sbcfg = &s->cfg->response.sbcfg; } else { if (s->files_ts == NULL) { s->files_ts = FileContainerAlloc(); if (s->files_ts == NULL) { retval = -1; goto end; } } files = s->files_ts; flags = FileFlowToFlags(s->f, STREAM_TOSERVER); if ((s->flags & HTP_FLAG_STORE_FILES_TC) || ((s->flags & HTP_FLAG_STORE_FILES_TX_TC) && txid == s->store_tx_id)) { flags |= FILE_STORE; flags &= ~FILE_NOSTORE; } else if (!(flags & FILE_STORE) && (s->f->file_flags & FLOWFILE_NO_STORE_TS)) { flags |= FILE_NOSTORE; } sbcfg = &s->cfg->request.sbcfg; } if (FileOpenFileWithId(files, sbcfg, s->file_track_id++, filename, filename_len, data, data_len, flags) != 0) { retval = -1; } FileSetTx(files->tail, txid); FilePrune(files); end: SCReturnInt(retval); } /** * Performs parsing of the content-range value * * @param[in] rawvalue * @param[out] range * * @return HTP_OK on success, HTP_ERROR on failure. */ int HTPParseContentRange(bstr * rawvalue, HtpContentRange *range) { unsigned char *data = bstr_ptr(rawvalue); size_t len = bstr_len(rawvalue); size_t pos = 0; size_t last_pos; // skip spaces and units while (pos < len && data[pos] == ' ') pos++; while (pos < len && data[pos] != ' ') pos++; while (pos < len && data[pos] == ' ') pos++; // initialize to unseen range->start = -1; range->end = -1; range->size = -1; if (pos == len) { // missing data return -1; } if (data[pos] == '*') { // case with size only if (len < pos + 1 || data[pos+1] != '/') { range->size = -1; return -1; } pos += 2; range->size = bstr_util_mem_to_pint(data + pos, len - pos, 10, &last_pos); } else { // case with start and end range->start = bstr_util_mem_to_pint(data + pos, len - pos, 10, &last_pos); pos += last_pos; if (len < pos + 1 || data[pos] != '-') { return -1; } pos++; range->end = bstr_util_mem_to_pint(data + pos, len - pos, 10, &last_pos); pos += last_pos; if (len < pos + 1 || data[pos] != '/') { return -1; } pos++; if (data[pos] != '*') { // case with size range->size = bstr_util_mem_to_pint(data + pos, len - pos, 10, &last_pos); } } return 0; } /** * \brief Sets range for a file * * \param s http state * \param rawvalue raw header value * * \retval 0 ok * \retval -1 error * \retval -2 error parsing * \retval -3 error negative end in range */ int HTPFileSetRange(HtpState *s, bstr *rawvalue) { SCEnter(); if (s == NULL) { SCReturnInt(-1); } FileContainer * files = s->files_tc; if (files == NULL) { SCLogDebug("no files in state"); SCReturnInt(-1); } HtpContentRange crparsed; if (HTPParseContentRange(rawvalue, &crparsed) != 0) { SCLogDebug("parsing range failed"); SCReturnInt(-2); } if (crparsed.end <= 0) { SCLogDebug("negative end in range"); SCReturnInt(-3); } int retval = FileSetRange(files, crparsed.start, crparsed.end); if (retval == -1) { SCLogDebug("set range failed"); } SCReturnInt(retval); } /** * \brief Store a chunk of data in the flow * * \param s http state * \param data data chunk (if any) * \param data_len length of the data portion * \param direction flow direction * * \retval 0 ok * \retval -1 error * \retval -2 file doesn't need storing */ int HTPFileStoreChunk(HtpState *s, const uint8_t *data, uint32_t data_len, uint8_t direction) { SCEnter(); int retval = 0; int result = 0; FileContainer *files = NULL; if (s == NULL) { SCReturnInt(-1); } if (direction & STREAM_TOCLIENT) { files = s->files_tc; } else { files = s->files_ts; } if (files == NULL) { SCLogDebug("no files in state"); retval = -1; goto end; } result = FileAppendData(files, data, data_len); if (result == -1) { SCLogDebug("appending data failed"); retval = -1; } else if (result == -2) { retval = -2; } FilePrune(files); end: SCReturnInt(retval); } /** * \brief Close the file in the flow * * \param s http state * \param data data chunk if any * \param data_len length of the data portion * \param flags flags to indicate events * \param direction flow direction * * Currently on the FLOW_FILE_TRUNCATED flag is implemented, indicating * that the file isn't complete but we're stopping storing it. * * \retval 0 ok * \retval -1 error * \retval -2 not storing files on this flow/tx */ int HTPFileClose(HtpState *s, const uint8_t *data, uint32_t data_len, uint8_t flags, uint8_t direction) { SCEnter(); int retval = 0; int result = 0; FileContainer *files = NULL; if (s == NULL) { SCReturnInt(-1); } if (direction & STREAM_TOCLIENT) { files = s->files_tc; } else { files = s->files_ts; } if (files == NULL) { retval = -1; goto end; } result = FileCloseFile(files, data, data_len, flags); if (result == -1) { retval = -1; } else if (result == -2) { retval = -2; } FilePrune(files); end: SCReturnInt(retval); } #ifdef UNITTESTS static int HTPFileParserTest01(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" "\r\n"; uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */ uint8_t httpbuf2[] = "filecontent\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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 <<<<\n"); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); 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; } result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); UTHFreeFlow(f); return result; } static int HTPFileParserTest02(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[] = "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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 <<<<\n"); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); 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); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 <<<<\n"); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 5 size %u <<<<\n", httplen5); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 6 size %u <<<<\n", httplen6); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); 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 == NULL || FileDataSize(http_state->files_ts->head) != 11) { if (http_state->files_ts->head != NULL) printf("filedata len not 11 but %"PRIu64": ", FileDataSize(http_state->files_ts->head)); goto end; } result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 <<<<\n"); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 5 size %u <<<<\n", httplen5); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 6 size %u <<<<\n", httplen6); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); 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); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 size %u <<<<\n", httplen1); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); 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 (StreamingBufferCompareRawData(http_state->files_ts->head->sb, (uint8_t *)"filecontent", 11) != 1) { goto end; } if (StreamingBufferCompareRawData(http_state->files_ts->tail->sb, (uint8_t *)"FILECONTENT", 11) != 1) { goto end; } result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 size %u <<<<\n", httplen1); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); 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 (StreamingBufferCompareRawData(http_state->files_ts->head->sb, (uint8_t *)"filecontent", 11) != 1) { goto end; } if (StreamingBufferCompareRawData(http_state->files_ts->tail->sb, (uint8_t *)"FILECONTENT", 11) != 1) { goto end; } result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 size %u <<<<\n", httplen1); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); 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 (StreamingBufferCompareRawData(http_state->files_ts->tail->sb, (uint8_t *)"FILECONTENT", 11) != 1) { goto end; } result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 <<<<\n"); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); http_state = f->alstate; if (http_state == NULL) { printf("no http state: "); result = 0; goto end; } FLOWLOCK_WRLOCK(f); AppLayerDecoderEvents *decoder_events = AppLayerParserGetEventsByTx(IPPROTO_TCP, ALPROTO_HTTP,f->alstate, 0); if (decoder_events == NULL) { printf("no app events: "); FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); if (decoder_events->cnt != 2) { printf("expected 2 events: "); goto end; } result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 <<<<\n"); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); http_state = f->alstate; if (http_state == NULL) { printf("no http state: "); result = 0; goto end; } FLOWLOCK_WRLOCK(f); AppLayerDecoderEvents *decoder_events = AppLayerParserGetEventsByTx(IPPROTO_TCP, ALPROTO_HTTP,f->alstate, 0); if (decoder_events == NULL) { printf("no app events: "); FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); if (decoder_events->cnt != 1) { printf("expected 1 event: "); goto end; } result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 <<<<\n"); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, 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; FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); http_state = f->alstate; if (http_state == NULL) { printf("no http state: "); result = 0; goto end; } FLOWLOCK_WRLOCK(f); AppLayerDecoderEvents *decoder_events = AppLayerParserGetEventsByTx(IPPROTO_TCP, ALPROTO_HTTP,f->alstate, 0); if (decoder_events != NULL) { printf("app events: "); FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); 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; f->alproto = ALPROTO_HTTP; StreamTcpInitConfig(TRUE); SCLogDebug("\n>>>> processing chunk 1 <<<<\n"); FLOWLOCK_WRLOCK(f); int r = AppLayerParserParse(NULL, alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER | STREAM_START, httpbuf1, httplen1); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 2 size %u <<<<\n", httplen2); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf2, httplen2); if (r != 0) { printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r); FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 3 size %u <<<<\n", httplen3); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3); if (r != 0) { printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r); FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); SCLogDebug("\n>>>> processing chunk 4 size %u <<<<\n", httplen4); FLOWLOCK_WRLOCK(f); r = AppLayerParserParse(NULL, alp_tctx, f, ALPROTO_HTTP, STREAM_TOSERVER | STREAM_EOF, httpbuf4, httplen4); if (r != 0) { printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r); FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); http_state = f->alstate; if (http_state == NULL) { printf("no http state: "); goto end; } FLOWLOCK_WRLOCK(f); AppLayerDecoderEvents *decoder_events = AppLayerParserGetEventsByTx(IPPROTO_TCP, ALPROTO_HTTP,f->alstate, 0); if (decoder_events != NULL) { printf("app events: "); FLOWLOCK_UNLOCK(f); goto end; } FLOWLOCK_UNLOCK(f); 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 (StreamingBufferCompareRawData(http_state->files_ts->head->sb, (uint8_t *)"FILECONTENT", 11) != 1) { goto end; } result = 1; end: if (alp_tctx != NULL) AppLayerParserThreadCtxFree(alp_tctx); StreamTcpFreeConfig(TRUE); UTHFreeFlow(f); return result; } void AppLayerHtpFileRegisterTests (void); #include "tests/app-layer-htp-file.c" #endif /* UNITTESTS */ void HTPFileParserRegisterTests(void) { #ifdef UNITTESTS UtRegisterTest("HTPFileParserTest01", HTPFileParserTest01); UtRegisterTest("HTPFileParserTest02", HTPFileParserTest02); UtRegisterTest("HTPFileParserTest03", HTPFileParserTest03); UtRegisterTest("HTPFileParserTest04", HTPFileParserTest04); UtRegisterTest("HTPFileParserTest05", HTPFileParserTest05); UtRegisterTest("HTPFileParserTest06", HTPFileParserTest06); UtRegisterTest("HTPFileParserTest07", HTPFileParserTest07); UtRegisterTest("HTPFileParserTest08", HTPFileParserTest08); UtRegisterTest("HTPFileParserTest09", HTPFileParserTest09); UtRegisterTest("HTPFileParserTest10", HTPFileParserTest10); UtRegisterTest("HTPFileParserTest11", HTPFileParserTest11); #endif /* UNITTESTS */ }