static void ndpi_http_subprotocol_conf(struct ndpi_detection_module_struct *ndpi_struct,
char *attr, char *value, int protocol_id) {
#ifdef AHOCORASICK
AC_PATTERN_t ac_pattern;
#else
ndpi_protocol_match *tmp_host_match;
#endif
/* e.g attr = "host" value = ".facebook.com" protocol_id = NDPI_PROTOCOL_FACEBOOK */
#ifdef AHOCORASICK
if (strcmp(attr, "finalize") == 0) { /* trick to finalize automa */
if (ac_automa != NULL)
ac_automata_finalize(ac_automa);
return;
}
#endif
if (strcmp(attr, "host") != 0) {
#ifdef DEBUG
printf("[NTOP] attribute %s not supported\n", attr);
#endif
return;
}
#ifdef AHOCORASICK
if (ac_automa == NULL)
ac_automa = ac_automata_init(ac_match_handler);
/* call ac_automata_release(ac_automa); to free ac_automa */
ac_pattern.astring = value;
ac_pattern.rep.number = protocol_id;
ac_pattern.length = strlen(tmp_patt.astring);
ac_automata_add(ac_automa, &ac_pattern);
#else
/* realloc */
tmp_host_match = ndpi_malloc(sizeof(ndpi_protocol_match) * (host_match_num_items + 1));
if (tmp_host_match == NULL) {
return;
}
if (host_match != NULL) {
memcpy(tmp_host_match, host_match, sizeof(ndpi_protocol_match) * host_match_num_items);
ndpi_free(host_match);
}
host_match = tmp_host_match;
host_match[host_match_num_items].string_to_match = ndpi_strdup(value);
if (host_match[host_match_num_items].string_to_match == NULL) {
return;
}
host_match[host_match_num_items].protocol_id = protocol_id;
host_match_num_items++;
#endif
#ifdef DEBUG
printf("[NTOP] new http subprotocol: %s = %s -> %d\n", attr, value, protocol_id);
#endif
}
static void _print_safe_str(char *msg,char *k,const u_int8_t *s,size_t l) {
static const char *th="0123456789abcdef?";
char *buf = (char*)ndpi_malloc((size_t)(l*3+2));
int sl = l;
if(buf) {
char *b = buf;
for(;l > 0; s++,l--) {
if(*s < ' ' || *s >= 127) {
*b++ = '%';
*b++ = th[(*s >> 4)&0xf];
*b++ = th[(*s)&0xf];
} else *b++ = *s;
}
