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Diffstat (limited to 'src/tests/detect-template-buffer.c')
-rw-r--r-- | src/tests/detect-template-buffer.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/tests/detect-template-buffer.c b/src/tests/detect-template-buffer.c new file mode 100644 index 0000000..7e04025 --- /dev/null +++ b/src/tests/detect-template-buffer.c @@ -0,0 +1,104 @@ +/* Copyright (C) 2015-2018 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. + */ + +#include "../util-unittest.h" +#include "../util-unittest-helper.h" +#include "../app-layer-parser.h" +#include "../detect-engine.h" +#include "../detect-parse.h" +#include "../flow-util.h" +#include "../stream-tcp.h" +#include "../detect-engine-build.h" + +static int DetectTemplateBufferTest(void) +{ + AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); + FAIL_IF_NULL(alp_tctx); + + Flow f; + Packet *p; + TcpSession tcp; + ThreadVars tv; + Signature *s; + + uint8_t request[] = "Hello World!"; + + /* Setup flow. */ + memset(&f, 0, sizeof(Flow)); + memset(&tcp, 0, sizeof(TcpSession)); + memset(&tv, 0, sizeof(ThreadVars)); + p = UTHBuildPacket(request, sizeof(request), IPPROTO_TCP); + FLOW_INITIALIZE(&f); + f.alproto = ALPROTO_TEMPLATE; + f.protoctx = (void *)&tcp; + f.proto = IPPROTO_TCP; + f.flags |= FLOW_IPV4; + p->flow = &f; + p->flags |= PKT_HAS_FLOW | PKT_STREAM_EST; + p->flowflags |= FLOW_PKT_TOSERVER | FLOW_PKT_ESTABLISHED; + StreamTcpInitConfig(true); + + DetectEngineCtx *de_ctx = DetectEngineCtxInit(); + FAIL_IF_NULL(de_ctx); + + /* This rule should match. */ + s = DetectEngineAppendSig(de_ctx, + "alert tcp any any -> any any (" + "msg:\"TEMPLATE Test Rule\"; " + "template_buffer; content:\"World!\"; " + "sid:1; rev:1;)"); + FAIL_IF_NULL(s); + + /* This rule should not match. */ + s = DetectEngineAppendSig(de_ctx, + "alert tcp any any -> any any (" + "msg:\"TEMPLATE Test Rule\"; " + "template_buffer; content:\"W0rld!\"; " + "sid:2; rev:1;)"); + FAIL_IF_NULL(s); + + SigGroupBuild(de_ctx); + + DetectEngineThreadCtx *det_ctx = NULL; + DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx); + FAIL_IF_NULL(det_ctx); + + AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TEMPLATE, + STREAM_TOSERVER, request, sizeof(request)); + + /* Check that we have app-layer state. */ + FAIL_IF_NULL(f.alstate); + + SigMatchSignatures(&tv, de_ctx, det_ctx, p); + FAIL_IF(!PacketAlertCheck(p, 1)); + FAIL_IF(PacketAlertCheck(p, 2)); + + /* Cleanup. */ + AppLayerParserThreadCtxFree(alp_tctx); + DetectEngineThreadCtxDeinit(&tv, det_ctx); + DetectEngineCtxFree(de_ctx); + StreamTcpFreeConfig(true); + FLOW_DESTROY(&f); + UTHFreePacket(p); + + PASS; +} + +static void DetectTemplateBufferRegisterTests(void) +{ + UtRegisterTest("DetectTemplateBufferTest", DetectTemplateBufferTest); +} |