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comparison src/dnsbl.cpp @ 384:7b7066a51c33

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start parsing spf txt records
author Carl Byington <carl@five-ten-sg.com>
date Mon, 06 Mar 2017 14:01:14 -0800
parents c378e9d03f37
children be7355b47051
comparison
equal deleted inserted replaced
383:5a88320a7547 384:7b7066a51c33
416 } 416 }
417 if ((qtype == ns_t_txt) && (txt_answer) && (txt_size > 7)) { 417 if ((qtype == ns_t_txt) && (txt_answer) && (txt_size > 7)) {
418 txt_answer[0] = '\0'; // return null string if there are no txt answers 418 txt_answer[0] = '\0'; // return null string if there are no txt answers
419 txt_size--; // allow room for terminating null; 419 txt_size--; // allow room for terminating null;
420 while (ns_parserr(&handle, ns_s_an, rrnum++, &rr) == 0) { 420 while (ns_parserr(&handle, ns_s_an, rrnum++, &rr) == 0) {
421 size_t offset = 0;
422 if (ns_rr_type(rr) == qtype) { 421 if (ns_rr_type(rr) == qtype) {
422 size_t offset = 0;
423 size_t rdlen = ns_rr_rdlen(rr); 423 size_t rdlen = ns_rr_rdlen(rr);
424 const unsigned char *rdata = ns_rr_rdata(rr); 424 const unsigned char *rdata = ns_rr_rdata(rr);
425 while ((offset < txt_size) && rdlen) { 425 while ((offset < txt_size) && rdlen) {
426 size_t slen = size_t(*(rdata++)); 426 size_t slen = size_t(*(rdata++));
427 rdlen--; 427 rdlen--;
430 memcpy(txt_answer+offset, rdata, m); 430 memcpy(txt_answer+offset, rdata, m);
431 offset += m; 431 offset += m;
432 rdata += m; 432 rdata += m;
433 rdlen -= m; 433 rdlen -= m;
434 } 434 }
435 txt_answer[offset] = '\0'; // trailing null
436 if (strncasecmp(txt_answer, "v=spf1 ", 7) == 0) break;
435 } 437 }
436 txt_answer[offset] = '\0'; // trailing null 438 }
437 if (strncasecmp(txt_answer, "v=spf1 ", 7) == 0) break; 439 //if (strncasecmp(txt_answer, "v=spf1 ", 7) != 0) {
438 } 440 // txt_answer[0] = '\0'; // return null string if there are no spf1 txt answers
439 if (strncasecmp(txt_answer, "v=spf1 ", 7) != 0) { 441 //}
440 txt_answer[0] = '\0'; // return null string if there are no spf1 txt answers
441 }
442 } 442 }
443 } 443 }
444 pthread_mutex_unlock(&resolve_mutex); 444 pthread_mutex_unlock(&resolve_mutex);
445 #ifdef RESOLVER_DEBUG 445 #ifdef RESOLVER_DEBUG
446 snprintf(text, sizeof(text), "dns_interface() found ip %d", ret_address); 446 snprintf(text, sizeof(text), "dns_interface() found ip %d", ret_address);