diff options
Diffstat (limited to 'src/lib/ndpi_main.c')
| -rw-r--r-- | src/lib/ndpi_main.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index 4ec1fa503..cffcbd78c 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -4305,14 +4305,11 @@ char* ndpi_strnstr(const char *s, const char *find, size_t slen) { /* ****************************************************** */ -static int ndpi_automa_match_string_subprotocol(struct ndpi_detection_module_struct *ndpi_struct, - ndpi_automa *automa, - struct ndpi_flow_struct *flow, - char *string_to_match, u_int string_to_match_len, - u_int16_t master_protocol_id) { - int matching_protocol_id; - struct ndpi_packet_struct *packet = &flow->packet; +int ndpi_match_string_subprotocol(struct ndpi_detection_module_struct *ndpi_struct, + char *string_to_match, u_int string_to_match_len) { + int matching_protocol_id = NDPI_PROTOCOL_UNKNOWN; AC_TEXT_t ac_input_text; + ndpi_automa *automa = &ndpi_struct->host_automa; if((automa->ac_automa == NULL) || (string_to_match_len == 0)) return(NDPI_PROTOCOL_UNKNOWN); @@ -4321,13 +4318,23 @@ static int ndpi_automa_match_string_subprotocol(struct ndpi_detection_module_str automa->ac_automa_finalized = 1; } - matching_protocol_id = NDPI_PROTOCOL_UNKNOWN; - ac_input_text.astring = string_to_match, ac_input_text.length = string_to_match_len; - ac_automata_search (((AC_AUTOMATA_t*)automa->ac_automa), &ac_input_text, (void*)&matching_protocol_id); - + ac_automata_search(((AC_AUTOMATA_t*)automa->ac_automa), &ac_input_text, (void*)&matching_protocol_id); ac_automata_reset(((AC_AUTOMATA_t*)automa->ac_automa)); + return(matching_protocol_id); +} + +/* ****************************************************** */ + +static int ndpi_automa_match_string_subprotocol(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow, + char *string_to_match, u_int string_to_match_len, + u_int16_t master_protocol_id) { + int matching_protocol_id = ndpi_match_string_subprotocol(ndpi_struct, string_to_match, string_to_match_len); + struct ndpi_packet_struct *packet = &flow->packet; + AC_TEXT_t ac_input_text; + #ifdef DEBUG { char m[256]; @@ -4336,7 +4343,8 @@ static int ndpi_automa_match_string_subprotocol(struct ndpi_detection_module_str strncpy(m, string_to_match, len); m[len] = '\0'; - printf("[NDPI] ndpi_match_host_subprotocol(%s): %s\n", m, ndpi_struct->proto_defaults[matching_protocol_id].protoName); + printf("[NDPI] ndpi_match_host_subprotocol(%s): %s\n", + m, ndpi_struct->proto_defaults[matching_protocol_id].protoName); } #endif @@ -4362,10 +4370,10 @@ static int ndpi_automa_match_string_subprotocol(struct ndpi_detection_module_str /* ****************************************************** */ int ndpi_match_host_subprotocol(struct ndpi_detection_module_struct *ndpi_struct, - struct ndpi_flow_struct *flow, - char *string_to_match, u_int string_to_match_len, - u_int16_t master_protocol_id) { - return(ndpi_automa_match_string_subprotocol(ndpi_struct, &ndpi_struct->host_automa, + struct ndpi_flow_struct *flow, + char *string_to_match, u_int string_to_match_len, + u_int16_t master_protocol_id) { + return(ndpi_automa_match_string_subprotocol(ndpi_struct, flow, string_to_match, string_to_match_len, master_protocol_id)); } @@ -4376,8 +4384,8 @@ int ndpi_match_content_subprotocol(struct ndpi_detection_module_struct *ndpi_str struct ndpi_flow_struct *flow, char *string_to_match, u_int string_to_match_len, u_int16_t master_protocol_id) { - return(ndpi_automa_match_string_subprotocol(ndpi_struct, &ndpi_struct->content_automa, - flow, string_to_match, string_to_match_len, + return(ndpi_automa_match_string_subprotocol(ndpi_struct, flow, + string_to_match, string_to_match_len, master_protocol_id)); } |