masqmail

view src/resolvtest.c @ 221:8742d2cee364

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added a note to the long vs. int question in md5.h Solar Designer explained to me in privat conversation that the int had performed much better on some systems and that 16bit ints are very rare. Still I like using the long.
author meillo@marmaro.de
date Fri, 23 Jul 2010 10:53:04 +0200
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children b27f66555ba8
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1 /* MasqMail Copyright (C) Oliver Kurth,
2 /* Copyright (C) 2010 markus schnalke <meillo@marmaro.de>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18
19
20 #include <sys/types.h>
21 #include <netinet/in.h>
22 #include <arpa/nameser.h>
23 #include <resolv.h>
24
25 #include "masqmail.h"
26
27
28 masqmail_conf conf;
29
30
31 void
32 debugf(const char *fmt, ...)
33 {
34 va_list args;
35 va_start(args, fmt);
36
37 vfprintf(stdout, fmt, args);
38
39 va_end(args);
40
41 }
42
43
44 int
45 main(int argc, char *argv[])
46 {
47 GList *addr_list = NULL, *node;
48
49 conf.debug_level = -1; /* no debug messages */
50
51 if (argc != 2) {
52 fprintf(stderr, "usage: resolvtest HOSTNAME\n");
53 return 1;
54 }
55
56 if (res_init() != 0) {
57 printf("res_init() failed.\n");
58 return 1;
59 }
60
61 printf("A:\n");
62 addr_list = resolve_dns_a(NULL, argv[1]);
63 foreach(addr_list, node) {
64 mxip_addr *p_mxip = (mxip_addr *) (node->data);
65 printf("%s \t%s\n", p_mxip->name, inet_ntoa(*(struct in_addr *) &(p_mxip->ip)));
66 }
67
68 printf("\nMX:\n");
69 addr_list = resolve_dns_mx(NULL, argv[1]);
70 foreach(addr_list, node) {
71 mxip_addr *p_mxip = (mxip_addr *) (node->data);
72 printf("%s \t%s %d\n", p_mxip->name,
73 inet_ntoa(*(struct in_addr *) &(p_mxip->ip)), p_mxip->pref);
74 }
75
76 printf("\nIP resolved directly (assumed FQDN, no default domain added):\n");
77 {
78 guint32 ip;
79 if (dns_look_ip(argv[1], &ip) >= 0) {
80 printf("%s\n", inet_ntoa(*((struct in_addr *) (&ip))));
81 }
82 }
83
84 return 0;
85 }