1 /* t-dns-cert.c - Module test for dns-stuff.c
2 * Copyright (C) 2011 Free Software Foundation, Inc.
3 * Copyright (C) 2011, 2015 Werner Koch
5 * This file is part of GnuPG.
7 * GnuPG is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * GnuPG is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <https://www.gnu.org/licenses/>.
28 #include "dns-stuff.h"
30 #define PGM "t-dns-stuff"
39 #ifdef HAVE_W32_SYSTEM
42 WSAStartup (0x202, &wsadat);
48 main (int argc, char **argv)
58 char const *name = NULL;
61 log_set_prefix (PGM, GPGRT_LOG_WITH_PREFIX);
64 while (argc && last_argc != argc )
67 if (!strcmp (*argv, "--"))
72 else if (!strcmp (*argv, "--help"))
74 fputs ("usage: " PGM " [HOST]\n"
76 " --verbose print timings etc.\n"
77 " --debug flyswatter\n"
78 " --standard-resolver use the system's resolver\n"
79 " --use-tor use Tor\n"
80 " --new-circuit use a new Tor circuit\n"
81 " --bracket enclose v6 addresses in brackets\n"
82 " --cert lookup a CERT RR\n"
83 " --srv lookup a SRV RR\n"
84 " --cname lookup a CNAME RR\n"
85 " --timeout SECONDS timeout after SECONDS\n"
89 else if (!strcmp (*argv, "--verbose"))
94 else if (!strcmp (*argv, "--debug"))
100 else if (!strcmp (*argv, "--use-tor"))
105 else if (!strcmp (*argv, "--standard-resolver"))
107 enable_standard_resolver (1);
110 else if (!strcmp (*argv, "--recursive-resolver"))
112 enable_recursive_resolver (1);
115 else if (!strcmp (*argv, "--bracket"))
120 else if (!strcmp (*argv, "--cert"))
122 any_options = opt_cert = 1;
125 else if (!strcmp (*argv, "--srv"))
127 any_options = opt_srv = 1;
130 else if (!strcmp (*argv, "--cname"))
132 any_options = opt_cname = 1;
135 else if (!strcmp (*argv, "--timeout"))
140 set_dns_timeout (atoi (*argv));
144 else if (!strncmp (*argv, "--", 2))
146 fprintf (stderr, PGM ": unknown option '%s'\n", *argv);
151 if (!argc && !any_options)
154 name = "simon.josefsson.org";
160 fprintf (stderr, PGM ": none or too many host names given\n");
164 set_dns_verbose (verbose, debug);
168 enable_dns_tormode (0);
178 if (verbose || any_options)
179 printf ("CERT lookup on '%s'\n", name);
181 err = get_dns_cert (name, DNS_CERTTYPE_ANY, &key, &keylen,
182 &fpr, &fpr_len, &url);
184 printf ("get_dns_cert failed: %s <%s>\n",
185 gpg_strerror (err), gpg_strsource (err));
188 if (verbose || any_options)
189 printf ("Key found (%u bytes)\n", (unsigned int)keylen);
197 printf ("Fingerprint found (%d bytes): ", (int)fpr_len);
198 for (i = 0; i < fpr_len; i++)
199 printf ("%02X", fpr[i]);
203 printf ("No fingerprint found\n");
206 printf ("URL found: %s\n", url);
208 printf ("No URL found\n");
220 printf ("CNAME lookup on '%s'\n", name);
221 err = get_dns_cname (name, &cname);
223 printf ("get_dns_cname failed: %s <%s>\n",
224 gpg_strerror (err), gpg_strsource (err));
227 printf ("CNAME found: '%s'\n", cname);
233 struct srventry *srv;
237 err = get_dns_srv (name? name : "_hkp._tcp.wwwkeys.pgp.net",
238 NULL, NULL, &srv, &count);
240 printf ("get_dns_srv failed: %s <%s>\n",
241 gpg_strerror (err), gpg_strsource (err));
244 printf ("count=%u\n",count);
245 for (i=0; i < count; i++)
247 printf("priority=%-8hu ",srv[i].priority);
248 printf("weight=%-8hu ",srv[i].weight);
249 printf("port=%-5hu ",srv[i].port);
250 printf("target=%s\n",srv[i].target);
256 else /* Standard lookup. */
259 dns_addrinfo_t aibuf, ai;
262 printf ("Lookup on '%s'\n", name);
264 err = resolve_dns_name (name, 0, 0, SOCK_STREAM, &aibuf, &cname);
267 fprintf (stderr, PGM": resolving '%s' failed: %s\n",
268 name, gpg_strerror (err));
273 printf ("cname: %s\n", cname);
274 for (ai = aibuf; ai; ai = ai->next)
276 printf ("%s %3d %3d ",
277 ai->family == AF_INET6? "inet6" :
278 ai->family == AF_INET? "inet4" : "? ",
279 ai->socktype, ai->protocol);
281 err = resolve_dns_addr (ai->addr, ai->addrlen,
283 | (opt_bracket? DNS_WITHBRACKET:0)),
286 printf ("[resolve_dns_addr failed: %s]", gpg_strerror (err));
293 err = resolve_dns_addr (ai->addr, ai->addrlen,
294 (opt_bracket? DNS_WITHBRACKET:0),
297 printf (" [resolve_dns_addr failed (2): %s]", gpg_strerror (err));
300 if (!is_ip_address (host))
301 printf (" (%s)", host);
307 free_dns_addrinfo (aibuf);
310 reload_dns_stuff (1); /* Release objects. */