/** * \test routing header decode */ static int DecodeIPV6RouteTest01 (void) { uint8_t raw_pkt1[] = { 0x60, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x2b, 0x40, 0x20, 0x01, 0xaa, 0xaa, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x20, 0x01, 0xaa, 0xaa, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb2, 0xed, 0x00, 0x50, 0x1b, 0xc7, 0x6a, 0xdf, 0x00, 0x00, 0x00, 0x00, 0x50, 0x02, 0x20, 0x00, 0xfa, 0x87, 0x00, 0x00, }; Packet *p1 = SCMalloc(SIZE_OF_PACKET); if (p1 == NULL) return 0; ThreadVars tv; DecodeThreadVars dtv; int result = 0; PacketQueue pq; FlowInitConfig(FLOW_QUIET); memset(&pq, 0, sizeof(PacketQueue)); memset(&tv, 0, sizeof(ThreadVars)); memset(p1, 0, SIZE_OF_PACKET); p1->pkt = (uint8_t *)(p1 + 1); memset(&dtv, 0, sizeof(DecodeThreadVars)); PACKET_INITIALIZE(p1); PacketCopyData(p1, raw_pkt1, sizeof(raw_pkt1)); DecodeIPV6(&tv, &dtv, p1, GET_PKT_DATA(p1), GET_PKT_LEN(p1), &pq); if (!(IPV6_EXTHDR_ISSET_RH(p1))) { printf("ipv6 routing header not detected: "); goto end; } if (p1->ip6eh.ip6_exthdrs[0].len != 8) { printf("ipv6 routing length incorrect: "); goto end; } result = 1; end: PACKET_CLEANUP(p1); SCFree(p1); FlowShutdown(); return result; }
void PacketPoolDestroy(void) { if (ringbuffer == NULL) { return; } Packet *p = NULL; while ((p = PacketPoolGetPacket()) != NULL) { PACKET_CLEANUP(p); SCFree(p); } RingBufferDestroy(ringbuffer); ringbuffer = NULL; }
/** * \test fragment decoding */ static int DecodeIPV6FragTest01 (void) { uint8_t raw_frag1[] = { 0x60, 0x0f, 0x1a, 0xcf, 0x05, 0xa8, 0x2c, 0x36, 0x20, 0x01, 0x04, 0x70, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x20, 0x01, 0x09, 0x80, 0x32, 0xb2, 0x00, 0x01, 0x2e, 0x41, 0x38, 0xff, 0xfe, 0xa7, 0xea, 0xeb, 0x06, 0x00, 0x00, 0x01, 0xdf, 0xf8, 0x11, 0xd7, 0x00, 0x50, 0xa6, 0x5c, 0xcc, 0xd7, 0x28, 0x9f, 0xc3, 0x34, 0xc6, 0x58, 0x80, 0x10, 0x20, 0x13, 0x18, 0x1f, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xcd, 0xf9, 0x3a, 0x41, 0x00, 0x1a, 0x91, 0x8a, 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x31, 0x20, 0x32, 0x30, 0x30, 0x20, 0x4f, 0x4b, 0x0d, 0x0a, 0x44, 0x61, 0x74, 0x65, 0x3a, 0x20, 0x46, 0x72, 0x69, 0x2c, 0x20, 0x30, 0x32, 0x20, 0x44, 0x65, 0x63, 0x20, 0x32, 0x30, 0x31, 0x31, 0x20, 0x30, 0x38, 0x3a, 0x33, 0x32, 0x3a, 0x35, 0x37, 0x20, 0x47, 0x4d, 0x54, 0x0d, 0x0a, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x3a, 0x20, 0x41, 0x70, 0x61, 0x63, 0x68, 0x65, 0x0d, 0x0a, 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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, }; uint8_t raw_frag2[] = { 0x60, 0x0f, 0x1a, 0xcf, 0x00, 0x1c, 0x2c, 0x36, 0x20, 0x01, 0x04, 0x70, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x20, 0x01, 0x09, 0x80, 0x32, 0xb2, 0x00, 0x01, 0x2e, 0x41, 0x38, 0xff, 0xfe, 0xa7, 0xea, 0xeb, 0x06, 0x00, 0x05, 0xa0, 0xdf, 0xf8, 0x11, 0xd7, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, }; Packet *p1 = SCMalloc(SIZE_OF_PACKET); if (p1 == NULL) return 0; Packet *p2 = SCMalloc(SIZE_OF_PACKET); if (p2 == NULL) { SCFree(p1); return 0; } ThreadVars tv; DecodeThreadVars dtv; int result = 0; PacketQueue pq; FlowInitConfig(FLOW_QUIET); memset(&pq, 0, sizeof(PacketQueue)); memset(&tv, 0, sizeof(ThreadVars)); memset(p1, 0, SIZE_OF_PACKET); p1->pkt = (uint8_t *)(p1 + 1); memset(p2, 0, SIZE_OF_PACKET); p2->pkt = (uint8_t *)(p2 + 1); memset(&dtv, 0, sizeof(DecodeThreadVars)); PACKET_INITIALIZE(p1); PACKET_INITIALIZE(p2); PacketCopyData(p1, raw_frag1, sizeof(raw_frag1)); PacketCopyData(p2, raw_frag2, sizeof(raw_frag2)); DecodeIPV6(&tv, &dtv, p1, GET_PKT_DATA(p1), GET_PKT_LEN(p1), &pq); if (!(IPV6_EXTHDR_ISSET_FH(p1))) { printf("ipv6 frag header not detected: "); goto end; } DecodeIPV6(&tv, &dtv, p2, GET_PKT_DATA(p2), GET_PKT_LEN(p2), &pq); if (!(IPV6_EXTHDR_ISSET_FH(p2))) { printf("ipv6 frag header not detected: "); goto end; } if (pq.len != 1) { printf("no reassembled packet: "); goto end; } result = 1; end: PACKET_CLEANUP(p1); PACKET_CLEANUP(p2); SCFree(p1); SCFree(p2); FlowShutdown(); return result; }
static int Unified2Test05 (void) { ThreadVars tv; DecodeThreadVars dtv; PacketQueue pq; void *data = NULL; OutputCtx *oc; LogFileCtx *lf; Signature s; uint8_t raw_ipv4_tcp[] = { 0x00, 0x14, 0xbf, 0xe8, 0xcb, 0x26, 0xaa, 0x00, 0x04, 0x00, 0x0a, 0x04, 0x08, 0x00, 0x45, 0x00, 0x00, 0x3c, 0x8c, 0x55, 0x40, 0x00, 0x40, 0x06, 0x69, 0x86, 0xc0, 0xa8, 0x0a, 0x68, 0x4a, 0x7d, 0x2f, 0x53, 0xc2, 0x40, 0x00, 0x50, 0x1f, 0x00, 0xa4, 0xd4, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x02, 0x16, 0xd0, 0x3d, 0x4e, 0x00, 0x00, 0x02, 0x04, 0x05, 0xb4, 0x04, 0x02, 0x08, 0x0a, 0x00, 0x1c, 0x28, 0x81, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x06}; Packet *p = PacketGetFromAlloc(); if (unlikely(p == NULL)) return 0; int ret; memset(&dtv, 0, sizeof(DecodeThreadVars)); memset(&tv, 0, sizeof(ThreadVars)); memset(&pq, 0, sizeof(PacketQueue)); p->pkt = (uint8_t *)(p + 1); memset(&s, 0, sizeof(Signature)); p->alerts.cnt++; p->alerts.alerts[p->alerts.cnt-1].s = &s; p->alerts.alerts[p->alerts.cnt-1].s->id = 1; p->alerts.alerts[p->alerts.cnt-1].s->gid = 1; p->alerts.alerts[p->alerts.cnt-1].s->rev = 1; SET_PKT_LEN(p, sizeof(raw_ipv4_tcp)); FlowInitConfig(FLOW_QUIET); DecodeEthernet(&tv, &dtv, p, raw_ipv4_tcp, sizeof(raw_ipv4_tcp), &pq); FlowShutdown(); p->action = ACTION_DROP; oc = Unified2AlertInitCtx(NULL); if (oc == NULL) { SCFree(p); return 0; } lf = (LogFileCtx *)oc->data; if(lf == NULL) { SCFree(p); return 0; } ret = Unified2AlertThreadInit(&tv, oc, &data); if(ret == -1) { SCFree(p); return 0; } ret = Unified2Alert(&tv, p, data, &pq, NULL); if(ret == TM_ECODE_FAILED) { SCFree(p); return 0; } ret = Unified2AlertThreadDeinit(&tv, data); if(ret == TM_ECODE_FAILED) { SCFree(p); return 0; } Unified2AlertDeInitCtx(oc); PACKET_CLEANUP(p); SCFree(p); return 1; }
static int Unified2Test04 (void) { ThreadVars tv; DecodeThreadVars dtv; PacketQueue pq; void *data = NULL; OutputCtx *oc; LogFileCtx *lf; Signature s; uint8_t raw_ppp[] = { 0xff, 0x03, 0x00, 0x21, 0x45, 0xc0, 0x00, 0x2c, 0x4d, 0xed, 0x00, 0x00, 0xff, 0x06, 0xd5, 0x17, 0xbf, 0x01, 0x0d, 0x01, 0xbf, 0x01, 0x0d, 0x03, 0xea, 0x37, 0x00, 0x17, 0x6d, 0x0b, 0xba, 0xc3, 0x00, 0x00, 0x00, 0x00, 0x60, 0x02, 0x10, 0x20, 0xdd, 0xe1, 0x00, 0x00, 0x02, 0x04, 0x05, 0xb4}; Packet *p = PacketGetFromAlloc(); if (unlikely(p == NULL)) return 0; int ret; memset(&dtv, 0, sizeof(DecodeThreadVars)); memset(&tv, 0, sizeof(ThreadVars)); memset(&pq, 0, sizeof(PacketQueue)); p->pkt = (uint8_t *)(p + 1); memset(&s, 0, sizeof(Signature)); p->alerts.cnt++; p->alerts.alerts[p->alerts.cnt-1].s = &s; p->alerts.alerts[p->alerts.cnt-1].s->id = 1; p->alerts.alerts[p->alerts.cnt-1].s->gid = 1; p->alerts.alerts[p->alerts.cnt-1].s->rev = 1; SET_PKT_LEN(p, sizeof(raw_ppp)); FlowInitConfig(FLOW_QUIET); DecodePPP(&tv, &dtv, p, raw_ppp, sizeof(raw_ppp), &pq); FlowShutdown(); oc = Unified2AlertInitCtx(NULL); if (oc == NULL) { SCFree(p); return 0; } lf = (LogFileCtx *)oc->data; if(lf == NULL) { SCFree(p); return 0; } ret = Unified2AlertThreadInit(&tv, oc, &data); if(ret == -1) { SCFree(p); return 0; } ret = Unified2Alert(&tv, p, data, &pq, NULL); if(ret == TM_ECODE_FAILED) { SCFree(p); return 0; } ret = Unified2AlertThreadDeinit(&tv, data); if(ret == -1) { SCFree(p); return 0; } Unified2AlertDeInitCtx(oc); PACKET_CLEANUP(p); SCFree(p); return 1; }
static int Unified2Test03 (void) { ThreadVars tv; DecodeThreadVars dtv; PacketQueue pq; void *data = NULL; OutputCtx *oc; LogFileCtx *lf; Signature s; uint8_t raw_gre[] = { 0x00, 0x0e, 0x50, 0x06, 0x42, 0x96, 0xaa, 0x00, 0x04, 0x00, 0x0a, 0x04, 0x08, 0x00, 0x45, 0x00, 0x00, 0x74, 0x35, 0xa2, 0x40, 0x00, 0x40, 0x2f, 0xef, 0xcb, 0x0a, 0x00, 0x00, 0x64, 0x0a, 0x00, 0x00, 0x8a, 0x30, 0x01, 0x88, 0x0b, 0x00, 0x54, 0x00, 0x00, 0x00, 0x18, 0x29, 0x5f, 0xff, 0x03, 0x00, 0x21, 0x45, 0x00, 0x00, 0x50, 0xf4, 0x05, 0x40, 0x00, 0x3f, 0x06, 0x20, 0xb8, 0x50, 0x7e, 0x2b, 0x2d, 0xd4, 0xcc, 0xd6, 0x72, 0x0a, 0x92, 0x1a, 0x0b, 0xc9, 0xaf, 0x24, 0x02, 0x8c, 0xdd, 0x45, 0xf6, 0x80, 0x18, 0x21, 0xfc, 0x10, 0x7c, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x08, 0x19, 0x1a, 0xda, 0x84, 0xd6, 0xda, 0x3e, 0x50, 0x49, 0x4e, 0x47, 0x20, 0x73, 0x74, 0x65, 0x72, 0x6c, 0x69, 0x6e, 0x67, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x6e, 0x6f, 0x64, 0x65, 0x2e, 0x6e, 0x65, 0x74, 0x0d, 0x0a}; Packet *p = PacketGetFromAlloc(); if (unlikely(p == NULL)) return 0; int ret; memset(&dtv, 0, sizeof(DecodeThreadVars)); memset(&tv, 0, sizeof(ThreadVars)); memset(&pq, 0, sizeof(PacketQueue)); p->pkt = (uint8_t *)(p + 1); memset(&s, 0, sizeof(Signature)); p->alerts.cnt++; p->alerts.alerts[p->alerts.cnt-1].s = &s; p->alerts.alerts[p->alerts.cnt-1].s->id = 1; p->alerts.alerts[p->alerts.cnt-1].s->gid = 1; p->alerts.alerts[p->alerts.cnt-1].s->rev = 1; SET_PKT_LEN(p, sizeof(raw_gre)); FlowInitConfig(FLOW_QUIET); DecodeEthernet(&tv, &dtv, p, raw_gre, sizeof(raw_gre), &pq); FlowShutdown(); oc = Unified2AlertInitCtx(NULL); if (oc == NULL) { SCFree(p); return 0; } lf = (LogFileCtx *)oc->data; if(lf == NULL) { SCFree(p); return 0; } ret = Unified2AlertThreadInit(&tv, oc, &data); if(ret == -1) { SCFree(p); return 0; } ret = Unified2Alert(&tv, p, data, &pq, NULL); if(ret == TM_ECODE_FAILED) { SCFree(p); return 0; } ret = Unified2AlertThreadDeinit(&tv, data); if(ret == -1) { SCFree(p); return 0; } Unified2AlertDeInitCtx(oc); Packet *pkt = PacketDequeue(&pq); while (pkt != NULL) { SCFree(pkt); pkt = PacketDequeue(&pq); } PACKET_CLEANUP(p); SCFree(p); return 1; }
/** * \brief Return a malloced packet. */ void PacketFree(Packet *p) { PACKET_CLEANUP(p); SCFree(p); }
void TmqhOutputPacketpool(ThreadVars *t, Packet *p) { int proot = 0; SCEnter(); SCLogDebug("Packet %p, p->root %p, alloced %s", p, p->root, p->flags & PKT_ALLOC ? "true" : "false"); /** \todo make this a callback * Release tcp segments. Done here after alerting can use them. */ if (p->flow != NULL && p->proto == IPPROTO_TCP) { SCMutexLock(&p->flow->m); StreamTcpPruneSession(p->flow, p->flowflags & FLOW_PKT_TOSERVER ? STREAM_TOSERVER : STREAM_TOCLIENT); SCMutexUnlock(&p->flow->m); } if (IS_TUNNEL_PKT(p)) { SCLogDebug("Packet %p is a tunnel packet: %s", p,p->root ? "upper layer" : "tunnel root"); /* get a lock to access root packet fields */ SCMutex *m = p->root ? &p->root->tunnel_mutex : &p->tunnel_mutex; SCMutexLock(m); if (IS_TUNNEL_ROOT_PKT(p)) { SCLogDebug("IS_TUNNEL_ROOT_PKT == TRUE"); if (TUNNEL_PKT_TPR(p) == 0) { SCLogDebug("TUNNEL_PKT_TPR(p) == 0, no more tunnel packet " "depending on this root"); /* if this packet is the root and there are no * more tunnel packets, return it to the pool */ /* fall through */ } else { SCLogDebug("tunnel root Packet %p: TUNNEL_PKT_TPR(p) > 0, so " "packets are still depending on this root, setting " "p->tunnel_verdicted == 1", p); /* if this is the root and there are more tunnel * packets, return this to the pool. It's still referenced * by the tunnel packets, and we will return it * when we handle them */ SET_TUNNEL_PKT_VERDICTED(p); SCMutexUnlock(m); PACKET_PROFILING_END(p); SCReturn; } } else { SCLogDebug("NOT IS_TUNNEL_ROOT_PKT, so tunnel pkt"); /* the p->root != NULL here seems unnecessary: IS_TUNNEL_PKT checks * that p->tunnel_pkt == 1, IS_TUNNEL_ROOT_PKT checks that + * p->root == NULL. So when we are here p->root can only be * non-NULL, right? CLANG thinks differently. May be a FP, but * better safe than sorry. VJ */ if (p->root != NULL && IS_TUNNEL_PKT_VERDICTED(p->root) && TUNNEL_PKT_TPR(p) == 1) { SCLogDebug("p->root->tunnel_verdicted == 1 && TUNNEL_PKT_TPR(p) == 1"); /* the root is ready and we are the last tunnel packet, * lets enqueue them both. */ TUNNEL_DECR_PKT_TPR_NOLOCK(p); /* handle the root */ SCLogDebug("setting proot = 1 for root pkt, p->root %p " "(tunnel packet %p)", p->root, p); proot = 1; /* fall through */ } else { /* root not ready yet, so get rid of the tunnel pkt only */ SCLogDebug("NOT p->root->tunnel_verdicted == 1 && " "TUNNEL_PKT_TPR(p) == 1 (%" PRIu32 ")", TUNNEL_PKT_TPR(p)); TUNNEL_DECR_PKT_TPR_NOLOCK(p); /* fall through */ } } SCMutexUnlock(m); SCLogDebug("tunnel stuff done, move on (proot %d)", proot); } FlowDecrUsecnt(p->flow); /* we're done with the tunnel root now as well */ if (proot == 1) { SCLogDebug("getting rid of root pkt... alloc'd %s", p->root->flags & PKT_ALLOC ? "true" : "false"); FlowDecrUsecnt(p->root->flow); /* if p->root uses extended data, free them */ if (p->root->ReleaseData) { if (p->root->ReleaseData(t, p->root) == TM_ECODE_FAILED) { SCLogWarning(SC_ERR_INVALID_ACTION, "Unable to release packet data"); } } if (p->root->ext_pkt) { if (!(p->root->flags & PKT_ZERO_COPY)) { SCFree(p->root->ext_pkt); } p->root->ext_pkt = NULL; } if (p->root->flags & PKT_ALLOC) { PACKET_CLEANUP(p->root); SCFree(p->root); p->root = NULL; } else { PACKET_RECYCLE(p->root); RingBufferMrMwPut(ringbuffer, (void *)p->root); } } if (p->ReleaseData) { if (p->ReleaseData(t, p) == TM_ECODE_FAILED) { SCLogWarning(SC_ERR_INVALID_ACTION, "Unable to release packet data"); } } /* if p uses extended data, free them */ if (p->ext_pkt) { if (!(p->flags & PKT_ZERO_COPY)) { SCFree(p->ext_pkt); } p->ext_pkt = NULL; } PACKET_PROFILING_END(p); SCLogDebug("getting rid of tunnel pkt... alloc'd %s (root %p)", p->flags & PKT_ALLOC ? "true" : "false", p->root); if (p->flags & PKT_ALLOC) { PACKET_CLEANUP(p); SCFree(p); } else { PACKET_RECYCLE(p); RingBufferMrMwPut(ringbuffer, (void *)p); } SCReturn; }
static int Unified2Test02 (void) { ThreadVars tv; DecodeThreadVars dtv; PacketQueue pq; void *data = NULL; OutputCtx *oc; LogFileCtx *lf; Signature s; uint8_t raw_ipv6_tcp[] = { 0x00, 0x11, 0x25, 0x82, 0x95, 0xb5, 0x00, 0xd0, 0x09, 0xe3, 0xe8, 0xde, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, 0x00, 0x28, 0x06, 0x40, 0x20, 0x01, 0x06, 0xf8, 0x10, 0x2d, 0x00, 0x00, 0x02, 0xd0, 0x09, 0xff, 0xfe, 0xe3, 0xe8, 0xde, 0x20, 0x01, 0x06, 0xf8, 0x09, 0x00, 0x07, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xe7, 0x41, 0x00, 0x50, 0xab, 0xdc, 0xd6, 0x60, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x02, 0x16, 0x80, 0x41, 0xa2, 0x00, 0x00, 0x02, 0x04, 0x05, 0xa0, 0x04, 0x02, 0x08, 0x0a, 0x00, 0x0a, 0x22, 0xa8, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x05 }; Packet *p = SCMalloc(SIZE_OF_PACKET); if (unlikely(p == NULL)) return 0; int ret; memset(&dtv, 0, sizeof(DecodeThreadVars)); memset(&tv, 0, sizeof(ThreadVars)); memset(&pq, 0, sizeof(PacketQueue)); memset(p, 0, SIZE_OF_PACKET); p->pkt = (uint8_t *)(p + 1); memset(&s, 0, sizeof(Signature)); PACKET_INITIALIZE(p); p->alerts.cnt++; p->alerts.alerts[p->alerts.cnt-1].s = &s; p->alerts.alerts[p->alerts.cnt-1].s->id = 1; p->alerts.alerts[p->alerts.cnt-1].s->gid = 1; p->alerts.alerts[p->alerts.cnt-1].s->rev = 1; SET_PKT_LEN(p, sizeof(raw_ipv6_tcp)); FlowInitConfig(FLOW_QUIET); DecodeEthernet(&tv, &dtv, p, raw_ipv6_tcp, sizeof(raw_ipv6_tcp), &pq); FlowShutdown(); oc = Unified2AlertInitCtx(NULL); if (oc == NULL) { SCFree(p); return 0; } lf = (LogFileCtx *)oc->data; if(lf == NULL) { SCFree(p); return 0; } ret = Unified2AlertThreadInit(&tv, oc, &data); if(ret == -1) { SCFree(p); return 0; } ret = Unified2Alert(&tv, p, data, &pq, NULL); if(ret == TM_ECODE_FAILED) { SCFree(p); return 0; } ret = Unified2AlertThreadDeinit(&tv, data); if(ret == -1) { SCFree(p); return 0; } Unified2AlertDeInitCtx(oc); PACKET_CLEANUP(p); SCFree(p); return 1; }