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[#2798] add http_host to engine analysis #3637

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[#2798] add http_host to engine analysis #3637

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13 changes: 13 additions & 0 deletions src/detect-engine-analyzer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -875,6 +875,7 @@ void EngineAnalysisRules(const DetectEngineCtx *de_ctx,
uint32_t http_raw_header_buf = 0;
uint32_t http_raw_uri_buf = 0;
uint32_t http_ua_buf = 0;
uint32_t http_host_buf = 0;
uint32_t warn_pcre_no_content = 0;
uint32_t warn_pcre_http_content = 0;
uint32_t warn_pcre_http = 0;
Expand Down Expand Up @@ -905,6 +906,7 @@ void EngineAnalysisRules(const DetectEngineCtx *de_ctx,
const int httprawheader_id = DetectBufferTypeGetByName("http_raw_header");
const int httpclientbody_id = DetectBufferTypeGetByName("http_client_body");
const int httprawuri_id = DetectBufferTypeGetByName("http_raw_uri");
const int httphost_id = DetectBufferTypeGetByName("http_host");

if (s->init_data->init_flags & SIG_FLAG_INIT_BIDIREC) {
rule_bidirectional = 1;
Expand Down Expand Up @@ -983,6 +985,11 @@ void EngineAnalysisRules(const DetectEngineCtx *de_ctx,
norm_http_buf += 1;
http_ua_buf += 1;
}
else if (list_id == httphost_id) {
rule_pcre_http += 1;
norm_http_buf += 1;
http_host_buf += 1;
}
else {
rule_pcre += 1;
}
Expand Down Expand Up @@ -1044,6 +1051,11 @@ void EngineAnalysisRules(const DetectEngineCtx *de_ctx,
raw_http_buf += 1;
http_method_buf += 1;
}
else if (list_id == httphost_id) {
rule_content_http += 1;
raw_http_buf += 1;
http_host_buf += 1;
}
else if (list_id == DETECT_SM_LIST_PMATCH) {
rule_content += 1;
DetectContentData *cd = (DetectContentData *)sm->ctx;
Expand Down Expand Up @@ -1191,6 +1203,7 @@ void EngineAnalysisRules(const DetectEngineCtx *de_ctx,
if (http_stat_msg_buf) fprintf(rule_engine_analysis_FD, " Rule matches on http stat msg buffer.\n");
if (http_stat_code_buf) fprintf(rule_engine_analysis_FD, " Rule matches on http stat code buffer.\n");
if (http_ua_buf) fprintf(rule_engine_analysis_FD, " Rule matches on http user agent buffer.\n");
if (http_host_buf) fprintf(rule_engine_analysis_FD, " Rule matches on http host buffer.\n");
if (s->alproto != ALPROTO_UNKNOWN) {
fprintf(rule_engine_analysis_FD, " App layer protocol is %s.\n", AppProtoToString(s->alproto));
}
Expand Down