3 * the main file of drill
4 * (c) 2005-2008 NLnet Labs
6 * See the file LICENSE for the license
11 #include <ldns/ldns.h>
14 #include <openssl/err.h>
17 #define IP6_ARPA_MAX_LEN 65
19 /* query debug, 2 hex dumps */
23 usage(FILE *stream, const char *progname)
25 fprintf(stream, " Usage: %s name [@server] [type] [class]\n", progname);
26 fprintf(stream, "\t<name> can be a domain name or an IP address (-x lookups)\n");
27 fprintf(stream, "\t<type> defaults to A\n");
28 fprintf(stream, "\t<class> defaults to IN\n");
29 fprintf(stream, "\n\targuments may be placed in random order\n");
30 fprintf(stream, "\n Options:\n");
31 fprintf(stream, "\t-D\t\tenable DNSSEC (DO bit)\n");
33 fprintf(stream, "\t-T\t\ttrace from the root down to <name>\n");
34 fprintf(stream, "\t-S\t\tchase signature(s) from <name> to a know key [*]\n");
36 fprintf(stream, "\t-V <number>\tverbosity (0-5)\n");
37 fprintf(stream, "\t-Q\t\tquiet mode (overrules -V)\n");
38 fprintf(stream, "\n");
39 fprintf(stream, "\t-f file\t\tread packet from file and send it\n");
40 fprintf(stream, "\t-i file\t\tread packet from file and print it\n");
41 fprintf(stream, "\t-w file\t\twrite answer packet to file\n");
42 fprintf(stream, "\t-q file\t\twrite query packet to file\n");
43 fprintf(stream, "\t-h\t\tshow this help\n");
44 fprintf(stream, "\t-v\t\tshow version\n");
45 fprintf(stream, "\n Query options:\n");
46 fprintf(stream, "\t-4\t\tstay on ip4\n");
47 fprintf(stream, "\t-6\t\tstay on ip6\n");
48 fprintf(stream, "\t-a\t\tfallback to EDNS0 and TCP if the answer is truncated\n");
49 fprintf(stream, "\t-b <bufsize>\tuse <bufsize> as the buffer size (defaults to 512 b)\n");
50 fprintf(stream, "\t-c <file>\t\tuse file for rescursive nameserver configuration (/etc/resolv.conf)\n");
51 fprintf(stream, "\t-k <file>\tspecify a file that contains a trusted DNSSEC key (DNSKEY|DS) [**]\n");
52 fprintf(stream, "\t\t\tused to verify any signatures in the current answer\n");
53 fprintf(stream, "\t-o <mnemonic>\tset flags to: [QR|qr][AA|aa][TC|tc][RD|rd][CD|cd][RA|ra][AD|ad]\n");
54 fprintf(stream, "\t\t\tlowercase: unset bit, uppercase: set bit\n");
55 fprintf(stream, "\t-p <port>\tuse <port> as remote port number\n");
56 fprintf(stream, "\t-s\t\tshow the DS RR for each key in a packet\n");
57 fprintf(stream, "\t-u\t\tsend the query with udp (the default)\n");
58 fprintf(stream, "\t-x\t\tdo a reverse lookup\n");
59 fprintf(stream, "\twhen doing a secure trace:\n");
60 fprintf(stream, "\t-r <file>\t\tuse file as root servers hint file\n");
61 fprintf(stream, "\t-t\t\tsend the query with tcp (connected)\n");
62 fprintf(stream, "\t-d <domain>\t\tuse domain as the start point for the trace\n");
63 fprintf(stream, "\t-y <name:key[:algo]>\tspecify named base64 tsig key, and optional an\n\t\t\talgorithm (defaults to hmac-md5.sig-alg.reg.int)\n");
64 fprintf(stream, "\t-z\t\tdon't randomize the nameservers before use\n");
65 fprintf(stream, "\n [*] = enables/implies DNSSEC\n");
66 fprintf(stream, " [**] = can be given more than once\n");
67 fprintf(stream, "\n ldns-team@nlnetlabs.nl | http://www.nlnetlabs.nl/ldns/\n");
71 * Prints the drill version to stderr
74 version(FILE *stream, const char *progname)
76 fprintf(stream, "%s version %s (ldns version %s)\n", progname, DRILL_VERSION, ldns_version());
77 fprintf(stream, "Written by NLnet Labs.\n");
78 fprintf(stream, "\nCopyright (c) 2004-2008 NLnet Labs.\n");
79 fprintf(stream, "Licensed under the revised BSD license.\n");
80 fprintf(stream, "There is NO warranty; not even for MERCHANTABILITY or FITNESS\n");
81 fprintf(stream, "FOR A PARTICULAR PURPOSE.\n");
86 * Main function of drill
87 * parse the arguments and prepare a query
90 main(int argc, char *argv[])
92 ldns_resolver *res = NULL;
93 ldns_resolver *cmdline_res = NULL; /* only used to resolv @name names */
94 ldns_rr_list *cmdline_rr_list = NULL;
95 ldns_rdf *cmdline_dname = NULL;
96 ldns_rdf *qname, *qname_tmp;
103 char *query_file = NULL;
104 char *answer_file = NULL;
105 ldns_buffer *query_buffer = NULL;
110 ldns_pkt_opcode opcode = LDNS_PACKET_QUERY;
116 char *tsig_name = NULL;
117 char *tsig_data = NULL;
118 char *tsig_algorithm = NULL;
119 size_t tsig_separator;
120 size_t tsig_separator2;
125 /* list of keys used in dnssec operations */
126 ldns_rr_list *key_list = ldns_rr_list_new();
127 /* what key verify the current answer */
128 ldns_rr_list *key_verified;
130 /* resolver options */
141 char *resolv_conf_file = NULL;
143 ldns_rdf *trace_start_name = NULL;
152 int_type = -1; serv = NULL; type = 0;
153 int_clas = -1; name = NULL; clas = 0;
155 progname = strdup(argv[0]);
158 r = WSAStartup(MAKEWORD(2,2), &wsa_data);
160 printf("Failed WSAStartup: %d\n", r);
161 result = EXIT_FAILURE;
164 #endif /* USE_WINSOCK */
167 PURPOSE = DRILL_QUERY;
172 qfamily = LDNS_RESOLV_INETANY;
180 ldns_init_random(NULL, 0);
183 usage(stdout, progname);
184 result = EXIT_FAILURE;
188 /* string from orig drill: "i:w:I46Sk:TNp:b:DsvhVcuaq:f:xr" */
189 /* global first, query opt next, option with parm's last
190 * and sorted */ /* "46DITSVQf:i:w:q:achuvxzy:so:p:b:k:" */
192 while ((c = getopt(argc, argv, "46ab:c:d:Df:hi:Ik:o:p:q:Qr:sStTuvV:w:xy:z")) != -1) {
196 qfamily = LDNS_RESOLV_INET;
199 qfamily = LDNS_RESOLV_INET6;
205 /* reserved for backward compatibility */
208 if (PURPOSE == DRILL_CHASE) {
209 fprintf(stderr, "-T and -S cannot be used at the same time.\n");
212 PURPOSE = DRILL_TRACE;
216 if (PURPOSE == DRILL_TRACE) {
217 fprintf(stderr, "-T and -S cannot be used at the same time.\n");
220 PURPOSE = DRILL_CHASE;
222 #endif /* HAVE_SSL */
224 verbosity = atoi(optarg);
233 answer_file = optarg;
234 PURPOSE = DRILL_AFROMFILE;
237 answer_file = optarg;
241 PURPOSE = DRILL_QTOFILE;
244 if (global_dns_root) {
245 fprintf(stderr, "There was already a series of root servers set\n");
248 global_dns_root = read_root_hints(optarg);
249 if (!global_dns_root) {
250 fprintf(stderr, "Unable to read root hints file %s, aborting\n", optarg);
259 qbuf = (uint16_t)atoi(optarg);
261 error("%s", "<bufsize> could not be converted");
265 resolv_conf_file = optarg;
271 status = read_key_file(optarg, key_list);
272 if (status != LDNS_STATUS_OK) {
273 error("Could not parse the key file %s: %s", optarg, ldns_get_errorstr_by_id(status));
275 qdnssec = true; /* enable that too */
278 /* only looks at the first hit: capital=ON, lowercase=OFF*/
279 if (strstr(optarg, "QR")) {
280 DRILL_ON(qflags, LDNS_QR);
282 if (strstr(optarg, "qr")) {
283 DRILL_OFF(qflags, LDNS_QR);
285 if (strstr(optarg, "AA")) {
286 DRILL_ON(qflags, LDNS_AA);
288 if (strstr(optarg, "aa")) {
289 DRILL_OFF(qflags, LDNS_AA);
291 if (strstr(optarg, "TC")) {
292 DRILL_ON(qflags, LDNS_TC);
294 if (strstr(optarg, "tc")) {
295 DRILL_OFF(qflags, LDNS_TC);
297 if (strstr(optarg, "RD")) {
298 DRILL_ON(qflags, LDNS_RD);
300 if (strstr(optarg, "rd")) {
301 DRILL_OFF(qflags, LDNS_RD);
303 if (strstr(optarg, "CD")) {
304 DRILL_ON(qflags, LDNS_CD);
306 if (strstr(optarg, "cd")) {
307 DRILL_OFF(qflags, LDNS_CD);
309 if (strstr(optarg, "RA")) {
310 DRILL_ON(qflags, LDNS_RA);
312 if (strstr(optarg, "ra")) {
313 DRILL_OFF(qflags, LDNS_RA);
315 if (strstr(optarg, "AD")) {
316 DRILL_ON(qflags, LDNS_AD);
318 if (strstr(optarg, "ad")) {
319 DRILL_OFF(qflags, LDNS_AD);
323 qport = (uint16_t)atoi(optarg);
325 error("%s", "<port> could not be converted");
335 version(stdout, progname);
336 result = EXIT_SUCCESS;
339 PURPOSE = DRILL_REVERSE;
343 if (strchr(optarg, ':')) {
344 tsig_separator = (size_t) (strchr(optarg, ':') - optarg);
345 if (strchr(optarg + tsig_separator + 1, ':')) {
346 tsig_separator2 = (size_t) (strchr(optarg + tsig_separator + 1, ':') - optarg);
347 tsig_algorithm = xmalloc(strlen(optarg) - tsig_separator2);
348 strncpy(tsig_algorithm, optarg + tsig_separator2 + 1, strlen(optarg) - tsig_separator2);
349 tsig_algorithm[strlen(optarg) - tsig_separator2 - 1] = '\0';
351 tsig_separator2 = strlen(optarg);
352 tsig_algorithm = xmalloc(26);
353 strncpy(tsig_algorithm, "hmac-md5.sig-alg.reg.int.", 25);
354 tsig_algorithm[25] = '\0';
356 tsig_name = xmalloc(tsig_separator + 1);
357 tsig_data = xmalloc(tsig_separator2 - tsig_separator);
358 strncpy(tsig_name, optarg, tsig_separator);
359 strncpy(tsig_data, optarg + tsig_separator + 1, tsig_separator2 - tsig_separator - 1);
360 /* strncpy does not append \0 if source is longer than n */
361 tsig_name[tsig_separator] = '\0';
362 tsig_data[ tsig_separator2 - tsig_separator - 1] = '\0';
365 fprintf(stderr, "TSIG requested, but SSL is not supported\n");
366 result = EXIT_FAILURE;
368 #endif /* HAVE_SSL */
374 trace_start_name = ldns_dname_new_frm_str(optarg);
375 if (!trace_start_name) {
376 fprintf(stderr, "Unable to parse argument for -%c\n", c);
377 result = EXIT_FAILURE;
382 version(stdout, progname);
383 usage(stdout, progname);
384 result = EXIT_SUCCESS;
388 fprintf(stderr, "Unknown argument: -%c, use -h to see usage\n", c);
389 result = EXIT_FAILURE;
396 /* do a secure trace when requested */
397 if (PURPOSE == DRILL_TRACE && qdnssec) {
399 if (ldns_rr_list_rr_count(key_list) == 0) {
400 warning("%s", "No trusted keys were given. Will not be able to verify authenticity!");
402 PURPOSE = DRILL_SECTRACE;
404 fprintf(stderr, "ldns has not been compiled with OpenSSL support. Secure trace not available\n");
406 #endif /* HAVE_SSL */
409 /* parse the arguments, with multiple arguments, the last argument
411 for(i = 0; i < argc; i++) {
413 /* if ^@ then it's a server */
414 if (argv[i][0] == '@') {
415 if (strlen(argv[i]) == 1) {
416 warning("%s", "No nameserver given");
422 /* if has a dot, it's a name */
423 if (strchr(argv[i], '.')) {
427 /* if it matches a type, it's a type */
428 if (int_type == -1) {
429 type = ldns_get_rr_type_by_name(argv[i]);
435 /* if it matches a class, it's a class */
436 if (int_clas == -1) {
437 clas = ldns_get_rr_class_by_name(argv[i]);
443 /* it all fails assume it's a name */
446 /* act like dig and use for . NS */
450 type = LDNS_RR_TYPE_NS;
453 /* defaults if not given */
454 if (int_clas == -1) {
455 clas = LDNS_RR_CLASS_IN;
457 if (int_type == -1) {
458 if (PURPOSE != DRILL_REVERSE) {
459 type = LDNS_RR_TYPE_A;
461 type = LDNS_RR_TYPE_PTR;
465 /* set the nameserver to use */
467 /* no server given make a resolver from /etc/resolv.conf */
468 status = ldns_resolver_new_frm_file(&res, resolv_conf_file);
469 if (status != LDNS_STATUS_OK) {
470 warning("Could not create a resolver structure: %s (%s)\n"
471 "Try drill @localhost if you have a resolver running on your machine.",
472 ldns_get_errorstr_by_id(status), resolv_conf_file);
473 result = EXIT_FAILURE;
477 res = ldns_resolver_new();
478 if (!res || strlen(serv) <= 0) {
479 warning("Could not create a resolver structure");
480 result = EXIT_FAILURE;
483 /* add the nameserver */
484 serv_rdf = ldns_rdf_new_addr_frm_str(serv);
486 /* try to resolv the name if possible */
487 status = ldns_resolver_new_frm_file(&cmdline_res, resolv_conf_file);
489 if (status != LDNS_STATUS_OK) {
490 error("%s", "@server ip could not be converted");
492 ldns_resolver_set_dnssec(cmdline_res, qdnssec);
493 ldns_resolver_set_ip6(cmdline_res, qfamily);
494 ldns_resolver_set_fallback(cmdline_res, qfallback);
495 ldns_resolver_set_usevc(cmdline_res, qusevc);
497 cmdline_dname = ldns_dname_new_frm_str(serv);
499 cmdline_rr_list = ldns_get_rr_list_addr_by_name(
504 ldns_rdf_deep_free(cmdline_dname);
505 if (!cmdline_rr_list) {
506 /* This error msg is not always accurate */
507 error("%s `%s\'", "could not find any address for the name:", serv);
509 if (ldns_resolver_push_nameserver_rr_list(
512 ) != LDNS_STATUS_OK) {
513 error("%s", "pushing nameserver");
517 if (ldns_resolver_push_nameserver(res, serv_rdf) != LDNS_STATUS_OK) {
518 error("%s", "pushing nameserver");
520 ldns_rdf_deep_free(serv_rdf);
524 /* set the resolver options */
525 ldns_resolver_set_port(res, qport);
526 if (verbosity >= 5) {
527 ldns_resolver_set_debug(res, true);
529 ldns_resolver_set_debug(res, false);
531 ldns_resolver_set_dnssec(res, qdnssec);
532 /* ldns_resolver_set_dnssec_cd(res, qdnssec);*/
533 ldns_resolver_set_ip6(res, qfamily);
534 ldns_resolver_set_fallback(res, qfallback);
535 ldns_resolver_set_usevc(res, qusevc);
536 ldns_resolver_set_random(res, qrandom);
538 ldns_resolver_set_edns_udp_size(res, qbuf);
542 PURPOSE != DRILL_AFROMFILE &&
545 usage(stdout, progname);
546 result = EXIT_FAILURE;
550 if (tsig_name && tsig_data) {
551 ldns_resolver_set_tsig_keyname(res, tsig_name);
552 ldns_resolver_set_tsig_keydata(res, tsig_data);
553 ldns_resolver_set_tsig_algorithm(res, tsig_algorithm);
556 /* main switching part of drill */
559 /* do a trace from the root down */
560 if (!global_dns_root) {
563 qname = ldns_dname_new_frm_str(name);
565 error("%s", "parsing query name");
567 /* don't care about return packet */
568 (void)do_trace(res, qname, type, clas);
572 /* do a secure trace from the root down */
573 if (!global_dns_root) {
576 qname = ldns_dname_new_frm_str(name);
578 error("%s", "making qname");
580 /* don't care about return packet */
582 result = do_secure_trace(res, qname, type, clas, key_list, trace_start_name);
583 #endif /* HAVE_SSL */
587 qname = ldns_dname_new_frm_str(name);
589 error("%s", "making qname");
592 ldns_resolver_set_dnssec(res, true);
593 ldns_resolver_set_dnssec_cd(res, true);
594 /* set dnssec implies udp_size of 4096 */
595 ldns_resolver_set_edns_udp_size(res, 4096);
596 pkt = ldns_resolver_query(res, qname, type, clas, qflags);
599 error("%s", "error pkt sending");
600 result = EXIT_FAILURE;
602 if (verbosity >= 3) {
603 ldns_pkt_print(stdout, pkt);
606 if (!ldns_pkt_answer(pkt)) {
607 mesg("No answer in packet");
610 ldns_resolver_set_dnssec_anchors(res, ldns_rr_list_clone(key_list));
611 result = do_chase(res, qname, type,
615 if (result == LDNS_STATUS_OK) {
616 if (verbosity != -1) {
617 mesg("Chase successful");
621 if (verbosity != -1) {
622 mesg("Chase failed.");
625 #endif /* HAVE_SSL */
630 case DRILL_AFROMFILE:
631 pkt = read_hex_pkt(answer_file);
633 if (verbosity != -1) {
634 ldns_pkt_print(stdout, pkt);
641 qname = ldns_dname_new_frm_str(name);
643 error("%s", "making qname");
646 status = ldns_resolver_prepare_query_pkt(&qpkt, res, qname, type, clas, qflags);
647 if(status != LDNS_STATUS_OK) {
648 error("%s", "making query: %s",
649 ldns_get_errorstr_by_id(status));
651 dump_hex(qpkt, query_file);
657 /* ipv4 or ipv6 addr? */
658 if (strchr(name, ':')) {
659 if (strchr(name, '.')) {
660 error("Syntax error: both '.' and ':' seen in address\n");
662 name2 = malloc(IP6_ARPA_MAX_LEN + 20);
664 for (i=0; i<(int)strlen(name); i++) {
665 if (i >= IP6_ARPA_MAX_LEN) {
666 error("%s", "reverse argument to long");
668 if (name[i] == ':') {
669 if (i < (int) strlen(name) && name[i + 1] == ':') {
670 error("%s", ":: not supported (yet)");
672 if (i + 2 == (int) strlen(name) || name[i + 2] == ':') {
679 } else if (i + 3 == (int) strlen(name) || name[i + 3] == ':') {
684 } else if (i + 4 == (int) strlen(name) || name[i + 4] == ':') {
690 name2[c++] = name[i];
696 qname = ldns_dname_new_frm_str(name2);
697 qname_tmp = ldns_dname_reverse(qname);
698 ldns_rdf_deep_free(qname);
700 qname_tmp = ldns_dname_new_frm_str("ip6.arpa.");
701 status = ldns_dname_cat(qname, qname_tmp);
702 if (status != LDNS_STATUS_OK) {
703 error("%s", "could not create reverse address for ip6: %s\n", ldns_get_errorstr_by_id(status));
705 ldns_rdf_deep_free(qname_tmp);
709 qname = ldns_dname_new_frm_str(name);
710 qname_tmp = ldns_dname_reverse(qname);
711 ldns_rdf_deep_free(qname);
713 qname_tmp = ldns_dname_new_frm_str("in-addr.arpa.");
714 status = ldns_dname_cat(qname, qname_tmp);
715 if (status != LDNS_STATUS_OK) {
716 error("%s", "could not create reverse address for ip4: %s\n", ldns_get_errorstr_by_id(status));
718 ldns_rdf_deep_free(qname_tmp);
721 error("%s", "-x implies an ip address");
724 /* create a packet and set the RD flag on it */
725 pkt = ldns_resolver_query(res, qname, type, clas, qflags);
727 error("%s", "pkt sending");
728 result = EXIT_FAILURE;
730 if (verbosity != -1) {
731 ldns_pkt_print(stdout, pkt);
739 /* this old way, the query packet needed
740 to be parseable, but we want to be able
741 to send mangled packets, so we need
744 qpkt = read_hex_pkt(query_file);
746 status = ldns_resolver_send_pkt(&pkt, res, qpkt);
747 if (status != LDNS_STATUS_OK) {
748 printf("Error: %s\n", ldns_get_errorstr_by_id(status));
752 /* qpkt was bogus, reset pkt */
756 query_buffer = read_hex_buffer(query_file);
758 status = ldns_send_buffer(&pkt, res, query_buffer, NULL);
759 ldns_buffer_free(query_buffer);
760 if (status != LDNS_STATUS_OK) {
761 printf("Error: %s\n", ldns_get_errorstr_by_id(status));
765 printf("NO BUFFER\n");
769 qname = ldns_dname_new_frm_str(name);
771 error("%s", "error in making qname");
774 if (type == LDNS_RR_TYPE_AXFR) {
775 status = ldns_axfr_start(res, qname, clas);
776 if(status != LDNS_STATUS_OK) {
777 error("Error starting axfr: %s",
778 ldns_get_errorstr_by_id(status));
780 axfr_rr = ldns_axfr_next(res);
782 fprintf(stderr, "AXFR failed.\n");
783 ldns_pkt_print(stdout,
784 ldns_axfr_last_pkt(res));
788 if (verbosity != -1) {
789 ldns_rr_print(stdout, axfr_rr);
791 ldns_rr_free(axfr_rr);
792 axfr_rr = ldns_axfr_next(res);
797 /* create a packet and set the RD flag on it */
798 pkt = ldns_resolver_query(res, qname, type, clas, qflags);
803 mesg("No packet received");
804 result = EXIT_FAILURE;
806 if (verbosity != -1) {
807 ldns_pkt_print(stdout, pkt);
808 if (ldns_pkt_tc(pkt)) {
810 "\n;; WARNING: The answer packet was truncated; you might want to\n");
812 ";; query again with TCP (-t argument), or EDNS0 (-b for buffer size)\n");
816 if (verbosity != -1) {
817 print_ds_of_keys(pkt);
822 if (ldns_rr_list_rr_count(key_list) > 0) {
823 /* -k's were given on the cmd line */
824 ldns_rr_list *rrset_verified;
827 rrset_verified = ldns_pkt_rr_list_by_name_and_type(
829 LDNS_SECTION_ANY_NOQUESTION);
831 if (type == LDNS_RR_TYPE_ANY) {
832 /* don't verify this */
836 if (verbosity != -1) {
838 ldns_rr_list_print(stdout, rrset_verified);
843 key_verified = ldns_rr_list_new();
844 result = ldns_pkt_verify(pkt, type, qname, key_list, NULL, key_verified);
846 if (result == LDNS_STATUS_ERR) {
847 /* is the existence denied then? */
848 result = ldns_verify_denial(pkt, qname, type, NULL, NULL);
849 if (result == LDNS_STATUS_OK) {
850 if (verbosity != -1) {
851 printf("Existence denied for ");
852 ldns_rdf_print(stdout, qname);
853 type_str = ldns_rr_type2str(type);
854 printf("\t%s\n", type_str);
858 if (verbosity != -1) {
859 printf("Bad data; RR for name and "
860 "type not found or failed to "
861 "verify, and denial of "
862 "existence failed.\n");
865 } else if (result == LDNS_STATUS_OK) {
866 for(key_count = 0; key_count < ldns_rr_list_rr_count(key_verified);
868 if (verbosity != -1) {
869 printf("; VALIDATED by id = %u, owner = ",
870 (unsigned int)ldns_calc_keytag(
871 ldns_rr_list_rr(key_verified, key_count)));
872 ldns_rdf_print(stdout, ldns_rr_owner(
873 ldns_rr_list_rr(key_list, key_count)));
878 for(key_count = 0; key_count < ldns_rr_list_rr_count(key_list);
880 if (verbosity != -1) {
881 printf("; %s for id = %u, owner = ",
882 ldns_get_errorstr_by_id(result),
883 (unsigned int)ldns_calc_keytag(
884 ldns_rr_list_rr(key_list, key_count)));
885 ldns_rdf_print(stdout, ldns_rr_owner(
887 ldns_rr_list_rr(key_list,
893 ldns_rr_list_free(key_verified);
896 #endif /* HAVE_SSL */
899 dump_hex(pkt, answer_file);
908 ldns_rdf_deep_free(qname);
909 ldns_resolver_deep_free(res);
910 ldns_resolver_deep_free(cmdline_res);
911 ldns_rr_list_deep_free(key_list);
912 ldns_rr_list_deep_free(cmdline_rr_list);
913 ldns_rdf_deep_free(trace_start_name);
917 xfree(tsig_algorithm);
921 CRYPTO_cleanup_all_ex_data();