Bug #129 ยป 0001-support-nocase-and-negation-for-http_cookie.patch
| src/detect-http-cookie.c | ||
|---|---|---|
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SCLogDebug("we have a cookie header");
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if (SpmSearch((uint8_t *) bstr_ptr(h->value), bstr_size(h->value),
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co->data, co->data_len) != NULL) {
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SCLogDebug("match has been found in received request and given http_"
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"cookie rule");
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ret = 1;
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goto end;
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/* call the case insensitive version if nocase has been specified in the sig */
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if (co->flags & DETECT_AL_HTTP_COOKIE_NOCASE) {
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if (SpmNocaseSearch((uint8_t *) bstr_ptr(h->value), bstr_size(h->value),
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co->data, co->data_len) != NULL) {
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SCLogDebug("match has been found in received request and given http_"
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"cookie rule");
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ret = 1;
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}
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} else {
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if (SpmSearch((uint8_t *) bstr_ptr(h->value), bstr_size(h->value),
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co->data, co->data_len) != NULL) {
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SCLogDebug("match has been found in received request and given http_"
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"cookie rule");
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ret = 1;
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}
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}
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}
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SCMutexUnlock(&f->m);
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return ret ^ ((co->flags & DETECT_AL_HTTP_COOKIE_NEGATED) ? 1 : 0);
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end:
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SCMutexUnlock(&f->m);
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SCLogDebug("released lock %p", &f->m);
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| ... | ... | |
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hd->data_len = ((DetectContentData *)pm->ctx)->content_len;
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hd->data = ((DetectContentData *)pm->ctx)->content;
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hd->flags |= (((DetectContentData *)pm->ctx)->flags & DETECT_CONTENT_NOCASE) ?
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DETECT_AL_HTTP_COOKIE_NOCASE : 0;
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hd->flags |= (((DetectContentData *)pm->ctx)->flags & DETECT_CONTENT_NEGATED) ?
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DETECT_AL_HTTP_COOKIE_NEGATED : 0;
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nm->type = DETECT_AL_HTTP_COOKIE;
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nm->ctx = (void *)hd;
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| ... | ... | |
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}
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s->next = SigInit(de_ctx,"alert http any any -> any any (msg:\"HTTP "
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"cookie\"; content:\"go\"; http_cookie; sid:2;)");
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"cookie\"; content:\"go\"; http_cookie; sid:2;)");
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if (s->next == NULL) {
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goto end;
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}
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| ... | ... | |
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StreamTcpFreeConfig(TRUE);
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return result;
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}
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/** \test Check the signature working to alert when http_cookie is not present */
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static int DetectHttpCookieSigTest03(void) {
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int result = 0;
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Flow f;
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uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n"
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"Cookie: dummy\r\n\r\n";
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uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
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TcpSession ssn;
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Packet p;
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Signature *s = NULL;
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ThreadVars th_v;
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DetectEngineThreadCtx *det_ctx;
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HtpState *http_state = NULL;
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memset(&th_v, 0, sizeof(th_v));
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memset(&p, 0, sizeof(p));
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memset(&f, 0, sizeof(f));
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memset(&ssn, 0, sizeof(ssn));
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p.src.family = AF_INET;
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p.dst.family = AF_INET;
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p.payload = NULL;
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p.payload_len = 0;
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p.proto = IPPROTO_TCP;
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f.protoctx = (void *)&ssn;
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p.flow = &f;
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p.flowflags |= FLOW_PKT_TOSERVER;
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ssn.alproto = ALPROTO_HTTP;
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StreamTcpInitConfig(TRUE);
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StreamL7DataPtrInit(&ssn);
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DetectEngineCtx *de_ctx = DetectEngineCtxInit();
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if (de_ctx == NULL) {
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goto end;
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}
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de_ctx->flags |= DE_QUIET;
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s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
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"\"HTTP cookie\"; content:boo; "
|
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"http_cookie; sid:1;)");
|
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if (s == NULL) {
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goto end;
|
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}
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SigGroupBuild(de_ctx);
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DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
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int r = AppLayerParse(&f, ALPROTO_HTTP, STREAM_TOSERVER, 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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goto end;
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}
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http_state = ssn.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
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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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/* do detect */
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SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
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|
if ((PacketAlertCheck(&p, 1))) {
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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 (http_state != NULL)
|
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HTPStateFree(http_state);
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if (de_ctx != NULL) SigGroupCleanup(de_ctx);
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if (de_ctx != NULL) SigCleanSignatures(de_ctx);
|
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if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
|
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StreamL7DataPtrFree(&ssn);
|
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StreamTcpFreeConfig(TRUE);
|
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return result;
|
||
|
}
|
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/** \test Check the signature working to alert when http_cookie is not present */
|
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static int DetectHttpCookieSigTest04(void) {
|
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int result = 0;
|
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|
Flow f;
|
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|
uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n"
|
||
|
"Cookie: dummy\r\n\r\n";
|
||
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
||
|
TcpSession ssn;
|
||
|
Packet p;
|
||
|
Signature *s = NULL;
|
||
|
ThreadVars th_v;
|
||
|
DetectEngineThreadCtx *det_ctx;
|
||
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HtpState *http_state = NULL;
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memset(&th_v, 0, sizeof(th_v));
|
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memset(&p, 0, sizeof(p));
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memset(&f, 0, sizeof(f));
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memset(&ssn, 0, sizeof(ssn));
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p.src.family = AF_INET;
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p.dst.family = AF_INET;
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p.payload = NULL;
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p.payload_len = 0;
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p.proto = IPPROTO_TCP;
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f.protoctx = (void *)&ssn;
|
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p.flow = &f;
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p.flowflags |= FLOW_PKT_TOSERVER;
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ssn.alproto = ALPROTO_HTTP;
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StreamTcpInitConfig(TRUE);
|
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StreamL7DataPtrInit(&ssn);
|
||
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DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
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if (de_ctx == NULL) {
|
||
|
goto end;
|
||
|
}
|
||
|
de_ctx->flags |= DE_QUIET;
|
||
|
s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
|
||
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"\"HTTP cookie\"; content:!boo; "
|
||
|
"http_cookie; sid:1;)");
|
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|
if (s == NULL) {
|
||
|
goto end;
|
||
|
}
|
||
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SigGroupBuild(de_ctx);
|
||
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DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
||
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int r = AppLayerParse(&f, ALPROTO_HTTP, STREAM_TOSERVER, 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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goto end;
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}
|
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http_state = ssn.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
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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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/* do detect */
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SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
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if (!PacketAlertCheck(&p, 1)) {
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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 (http_state != NULL)
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HTPStateFree(http_state);
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if (de_ctx != NULL) SigGroupCleanup(de_ctx);
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if (de_ctx != NULL) SigCleanSignatures(de_ctx);
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if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
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StreamL7DataPtrFree(&ssn);
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StreamTcpFreeConfig(TRUE);
|
||
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return result;
|
||
|
}
|
||
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/** \test Check the signature working to alert when http_cookie is not present */
|
||
|
static int DetectHttpCookieSigTest05(void) {
|
||
|
int result = 0;
|
||
|
Flow f;
|
||
|
uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n"
|
||
|
"Cookie: DuMmY\r\n\r\n";
|
||
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
||
|
TcpSession ssn;
|
||
|
Packet p;
|
||
|
Signature *s = NULL;
|
||
|
ThreadVars th_v;
|
||
|
DetectEngineThreadCtx *det_ctx;
|
||
|
HtpState *http_state = NULL;
|
||
|
memset(&th_v, 0, sizeof(th_v));
|
||
|
memset(&p, 0, sizeof(p));
|
||
|
memset(&f, 0, sizeof(f));
|
||
|
memset(&ssn, 0, sizeof(ssn));
|
||
|
p.src.family = AF_INET;
|
||
|
p.dst.family = AF_INET;
|
||
|
p.payload = NULL;
|
||
|
p.payload_len = 0;
|
||
|
p.proto = IPPROTO_TCP;
|
||
|
f.protoctx = (void *)&ssn;
|
||
|
p.flow = &f;
|
||
|
p.flowflags |= FLOW_PKT_TOSERVER;
|
||
|
ssn.alproto = ALPROTO_HTTP;
|
||
|
StreamTcpInitConfig(TRUE);
|
||
|
StreamL7DataPtrInit(&ssn);
|
||
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
||
|
if (de_ctx == NULL) {
|
||
|
goto end;
|
||
|
}
|
||
|
de_ctx->flags |= DE_QUIET;
|
||
|
s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
|
||
|
"\"HTTP cookie\"; content:dummy; nocase; "
|
||
|
"http_cookie; sid:1;)");
|
||
|
if (s == NULL) {
|
||
|
goto end;
|
||
|
}
|
||
|
SigGroupBuild(de_ctx);
|
||
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
||
|
int r = AppLayerParse(&f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
|
||
|
if (r != 0) {
|
||
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
||
|
result = 0;
|
||
|
goto end;
|
||
|
}
|
||
|
http_state = ssn.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
||
|
if (http_state == NULL) {
|
||
|
printf("no http state: ");
|
||
|
result = 0;
|
||
|
goto end;
|
||
|
}
|
||
|
/* do detect */
|
||
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
||
|
if (!PacketAlertCheck(&p, 1)) {
|
||
|
goto end;
|
||
|
}
|
||
|
result = 1;
|
||
|
end:
|
||
|
if (http_state != NULL)
|
||
|
HTPStateFree(http_state);
|
||
|
if (de_ctx != NULL) SigGroupCleanup(de_ctx);
|
||
|
if (de_ctx != NULL) SigCleanSignatures(de_ctx);
|
||
|
if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
|
||
|
StreamL7DataPtrFree(&ssn);
|
||
|
StreamTcpFreeConfig(TRUE);
|
||
|
return result;
|
||
|
}
|
||
|
/** \test Check the signature working to alert when http_cookie is not present */
|
||
|
static int DetectHttpCookieSigTest06(void) {
|
||
|
int result = 0;
|
||
|
Flow f;
|
||
|
uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n"
|
||
|
"Cookie: DuMmY\r\n\r\n";
|
||
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
||
|
TcpSession ssn;
|
||
|
Packet p;
|
||
|
Signature *s = NULL;
|
||
|
ThreadVars th_v;
|
||
|
DetectEngineThreadCtx *det_ctx;
|
||
|
HtpState *http_state = NULL;
|
||
|
memset(&th_v, 0, sizeof(th_v));
|
||
|
memset(&p, 0, sizeof(p));
|
||
|
memset(&f, 0, sizeof(f));
|
||
|
memset(&ssn, 0, sizeof(ssn));
|
||
|
p.src.family = AF_INET;
|
||
|
p.dst.family = AF_INET;
|
||
|
p.payload = NULL;
|
||
|
p.payload_len = 0;
|
||
|
p.proto = IPPROTO_TCP;
|
||
|
f.protoctx = (void *)&ssn;
|
||
|
p.flow = &f;
|
||
|
p.flowflags |= FLOW_PKT_TOSERVER;
|
||
|
ssn.alproto = ALPROTO_HTTP;
|
||
|
StreamTcpInitConfig(TRUE);
|
||
|
StreamL7DataPtrInit(&ssn);
|
||
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
||
|
if (de_ctx == NULL) {
|
||
|
goto end;
|
||
|
}
|
||
|
de_ctx->flags |= DE_QUIET;
|
||
|
s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
|
||
|
"\"HTTP cookie\"; content:dummy; "
|
||
|
"http_cookie; nocase; sid:1;)");
|
||
|
if (s == NULL) {
|
||
|
goto end;
|
||
|
}
|
||
|
SigGroupBuild(de_ctx);
|
||
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
||
|
int r = AppLayerParse(&f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
|
||
|
if (r != 0) {
|
||
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
||
|
result = 0;
|
||
|
goto end;
|
||
|
}
|
||
|
http_state = ssn.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
||
|
if (http_state == NULL) {
|
||
|
printf("no http state: ");
|
||
|
result = 0;
|
||
|
goto end;
|
||
|
}
|
||
|
/* do detect */
|
||
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
||
|
if (!PacketAlertCheck(&p, 1)) {
|
||
|
goto end;
|
||
|
}
|
||
|
result = 1;
|
||
|
end:
|
||
|
if (http_state != NULL)
|
||
|
HTPStateFree(http_state);
|
||
|
if (de_ctx != NULL) SigGroupCleanup(de_ctx);
|
||
|
if (de_ctx != NULL) SigCleanSignatures(de_ctx);
|
||
|
if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
|
||
|
StreamL7DataPtrFree(&ssn);
|
||
|
StreamTcpFreeConfig(TRUE);
|
||
|
return result;
|
||
|
}
|
||
|
/** \test Check the signature working to alert when http_cookie is not present */
|
||
|
static int DetectHttpCookieSigTest07(void) {
|
||
|
int result = 0;
|
||
|
Flow f;
|
||
|
uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n"
|
||
|
"Cookie: dummy\r\n\r\n";
|
||
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
||
|
TcpSession ssn;
|
||
|
Packet p;
|
||
|
Signature *s = NULL;
|
||
|
ThreadVars th_v;
|
||
|
DetectEngineThreadCtx *det_ctx;
|
||
|
HtpState *http_state = NULL;
|
||
|
memset(&th_v, 0, sizeof(th_v));
|
||
|
memset(&p, 0, sizeof(p));
|
||
|
memset(&f, 0, sizeof(f));
|
||
|
memset(&ssn, 0, sizeof(ssn));
|
||
|
p.src.family = AF_INET;
|
||
|
p.dst.family = AF_INET;
|
||
|
p.payload = NULL;
|
||
|
p.payload_len = 0;
|
||
|
p.proto = IPPROTO_TCP;
|
||
|
f.protoctx = (void *)&ssn;
|
||
|
p.flow = &f;
|
||
|
p.flowflags |= FLOW_PKT_TOSERVER;
|
||
|
ssn.alproto = ALPROTO_HTTP;
|
||
|
StreamTcpInitConfig(TRUE);
|
||
|
StreamL7DataPtrInit(&ssn);
|
||
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
||
|
if (de_ctx == NULL) {
|
||
|
goto end;
|
||
|
}
|
||
|
de_ctx->flags |= DE_QUIET;
|
||
|
s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
|
||
|
"\"HTTP cookie\"; content:!dummy; "
|
||
|
"http_cookie; sid:1;)");
|
||
|
if (s == NULL) {
|
||
|
goto end;
|
||
|
}
|
||
|
SigGroupBuild(de_ctx);
|
||
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
||
|
int r = AppLayerParse(&f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
|
||
|
if (r != 0) {
|
||
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
||
|
result = 0;
|
||
|
goto end;
|
||
|
}
|
||
|
http_state = ssn.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
||
|
if (http_state == NULL) {
|
||
|
printf("no http state: ");
|
||
|
result = 0;
|
||
|
goto end;
|
||
|
}
|
||
|
/* do detect */
|
||
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, &p);
|
||
|
if (PacketAlertCheck(&p, 1)) {
|
||
|
goto end;
|
||
|
}
|
||
|
result = 1;
|
||
|
end:
|
||
|
if (http_state != NULL)
|
||
|
HTPStateFree(http_state);
|
||
|
if (de_ctx != NULL) SigGroupCleanup(de_ctx);
|
||
|
if (de_ctx != NULL) SigCleanSignatures(de_ctx);
|
||
|
if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
|
||
|
StreamL7DataPtrFree(&ssn);
|
||
|
StreamTcpFreeConfig(TRUE);
|
||
|
return result;
|
||
|
}
|
||
|
#endif /* UNITTESTS */
|
||
|
/**
|
||
| ... | ... | |
|
UtRegisterTest("DetectHttpCookieTest06", DetectHttpCookieTest06, 1);
|
||
|
UtRegisterTest("DetectHttpCookieSigTest01", DetectHttpCookieSigTest01, 1);
|
||
|
UtRegisterTest("DetectHttpCookieSigTest02", DetectHttpCookieSigTest02, 1);
|
||
|
UtRegisterTest("DetectHttpCookieSigTest03", DetectHttpCookieSigTest03, 1);
|
||
|
UtRegisterTest("DetectHttpCookieSigTest04", DetectHttpCookieSigTest04, 1);
|
||
|
UtRegisterTest("DetectHttpCookieSigTest05", DetectHttpCookieSigTest05, 1);
|
||
|
UtRegisterTest("DetectHttpCookieSigTest06", DetectHttpCookieSigTest06, 1);
|
||
|
UtRegisterTest("DetectHttpCookieSigTest07", DetectHttpCookieSigTest07, 1);
|
||
|
#endif /* UNITTESTS */
|
||
|
}
|
||
| src/detect-http-cookie.h | ||
|---|---|---|
|
#ifndef _DETECT_HTTP_COOKIE_H
|
||
|
#define _DETECT_HTTP_COOKIE_H
|
||
|
#define DETECT_AL_HTTP_COOKIE_NOCASE 0x01
|
||
|
#define DETECT_AL_HTTP_COOKIE_NEGATED 0x02
|
||
|
typedef struct DetectHttpCookieData_ {
|
||
|
uint8_t *data;
|
||
|
uint8_t data_len;
|
||
|
uint8_t flags;
|
||
|
} DetectHttpCookieData;
|
||
|
/* prototypes */
|
||
| src/detect-nocase.c | ||
|---|---|---|
|
#include "detect-uricontent.h"
|
||
|
#include "detect-pcre.h"
|
||
|
#include "detect-http-client-body.h"
|
||
|
#include "detect-http-cookie.h"
|
||
|
#include "util-debug.h"
|
||
| ... | ... | |
|
SigMatch *ur_sm = SigMatchGetLastSM(s->umatch_tail, DETECT_URICONTENT);
|
||
|
/* http client body SigMatch */
|
||
|
SigMatch *hcbd_sm = SigMatchGetLastSM(s->match_tail, DETECT_AL_HTTP_CLIENT_BODY);
|
||
|
SigMatch *sm = NULL;
|
||
|
if (co_sm != NULL && ur_sm != NULL && hcbd_sm != NULL) {
|
||
|
BUG_ON(co_sm->idx == ur_sm->idx);
|
||
|
if (co_sm->idx > ur_sm->idx && ur_sm > hcbd_sm)
|
||
|
sm = co_sm;
|
||
|
else if (ur_sm->idx > co_sm->idx && co_sm > hcbd_sm)
|
||
|
sm = ur_sm;
|
||
|
else
|
||
|
sm = hcbd_sm;
|
||
|
} else if (co_sm != NULL && ur_sm != NULL) {
|
||
|
if (co_sm->idx > ur_sm->idx)
|
||
|
sm = co_sm;
|
||
|
else
|
||
|
sm = ur_sm;
|
||
|
} else if (co_sm != NULL && hcbd_sm != NULL) {
|
||
|
if (co_sm->idx > hcbd_sm->idx)
|
||
|
sm = co_sm;
|
||
|
else
|
||
|
sm = hcbd_sm;
|
||
|
} else if (ur_sm != NULL && hcbd_sm != NULL) {
|
||
|
if (ur_sm->idx > hcbd_sm->idx)
|
||
|
sm = ur_sm;
|
||
|
else
|
||
|
sm = hcbd_sm;
|
||
|
} else if (co_sm != NULL) {
|
||
|
sm = co_sm;
|
||
|
} else if (ur_sm != NULL) {
|
||
|
sm = ur_sm;
|
||
|
} else if (hcbd_sm != NULL) {
|
||
|
sm = hcbd_sm;
|
||
|
/* http cookie SigMatch */
|
||
|
SigMatch *hcd_sm = SigMatchGetLastSM(s->match_tail, DETECT_AL_HTTP_COOKIE);
|
||
|
SigMatch *temp_sm = NULL;
|
||
|
SigMatch **sm_list = NULL;
|
||
|
uint8_t sm_list_count = 0;
|
||
|
if (co_sm != NULL) {
|
||
|
sm_list_count++;
|
||
|
if ( (sm_list = SCRealloc(sm_list, sizeof(SigMatch *) * sm_list_count)) == NULL) {
|
||
|
SCLogError(SC_ERR_MEM_ALLOC, "Error allocating memory");
|
||
|
exit(EXIT_FAILURE);
|
||
|
}
|
||
|
sm_list[sm_list_count - 1] = co_sm;
|
||
|
}
|
||
|
if (ur_sm != NULL) {
|
||
|
sm_list_count++;
|
||
|
if ( (sm_list = SCRealloc(sm_list, sizeof(SigMatch *) * sm_list_count)) == NULL) {
|
||
|
SCLogError(SC_ERR_MEM_ALLOC, "Error allocating memory");
|
||
|
exit(EXIT_FAILURE);
|
||
|
}
|
||
|
sm_list[sm_list_count - 1] = ur_sm;
|
||
|
}
|
||
|
if (hcbd_sm != NULL) {
|
||
|
sm_list_count++;
|
||
|
if ( (sm_list = SCRealloc(sm_list, sizeof(SigMatch *) * sm_list_count)) == NULL) {
|
||
|
SCLogError(SC_ERR_MEM_ALLOC, "Error allocating memory");
|
||
|
exit(EXIT_FAILURE);
|
||
|
}
|
||
|
sm_list[sm_list_count - 1] = hcbd_sm;
|
||
|
}
|
||
|
if (hcd_sm != NULL) {
|
||
|
sm_list_count++;
|
||
|
if ( (sm_list = SCRealloc(sm_list, sizeof(SigMatch *) * sm_list_count)) == NULL) {
|
||
|
SCLogError(SC_ERR_MEM_ALLOC, "Error allocating memory");
|
||
|
exit(EXIT_FAILURE);
|
||
|
}
|
||
|
sm_list[sm_list_count - 1] = hcd_sm;
|
||
|
}
|
||
|
if (sm_list_count == 0)
|
||
|
SCReturnPtr(NULL, "SigMatch");
|
||
|
int i = 0, j = 0;
|
||
|
int swapped = 1;
|
||
|
while (swapped) {
|
||
|
swapped = 0;
|
||
|
for (j = i; j < sm_list_count - 1; j++) {
|
||
|
if (sm_list[j]->idx < sm_list[j + 1]->idx) {
|
||
|
temp_sm = sm_list[j];
|
||
|
sm_list[j] = sm_list[j + 1];
|
||
|
sm_list[j + 1] = temp_sm;
|
||
|
swapped = 1;
|
||
|
i++;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
SCReturnPtr(sm, "SigMatch");
|
||
|
temp_sm = sm_list[0];
|
||
|
SCFree(sm_list);
|
||
|
SCReturnPtr(temp_sm, "SigMatch");
|
||
|
}
|
||
|
/** \internal
|
||
| ... | ... | |
|
case DETECT_URICONTENT:
|
||
|
ud = (DetectUricontentData *)pm->ctx;
|
||
|
if (ud == NULL) {
|
||
|
SCLogError(SC_ERR_INVALID_ARGUMENT, "invalid argpment");
|
||
|
SCLogError(SC_ERR_INVALID_ARGUMENT, "invalid argument");
|
||
|
SCReturnInt(-1);
|
||
|
}
|
||
|
ud->flags |= DETECT_URICONTENT_NOCASE;
|
||
| ... | ... | |
|
cd->flags |= DETECT_CONTENT_NOCASE;
|
||
|
break;
|
||
|
case DETECT_AL_HTTP_CLIENT_BODY:
|
||
|
{
|
||
|
((DetectHttpClientBodyData *)(pm->ctx))->flags |= DETECT_AL_HTTP_CLIENT_BODY_NOCASE;
|
||
|
break;
|
||
|
}
|
||
|
/* should never happen */
|
||
|
((DetectHttpClientBodyData *)(pm->ctx))->flags |= DETECT_AL_HTTP_CLIENT_BODY_NOCASE;
|
||
|
break;
|
||
|
case DETECT_AL_HTTP_COOKIE:
|
||
|
((DetectHttpCookieData *)(pm->ctx))->flags |= DETECT_AL_HTTP_COOKIE_NOCASE;
|
||
|
break;
|
||
|
/* should never happen */
|
||
|
default:
|
||
|
SCLogError(SC_ERR_NOCASE_MISSING_PATTERN, "nocase needs a preceeding content (or uricontent) option");
|
||
|
SCReturnInt(-1);
|
||