1 /* ----------------------------------------------------------------------- *
2 *
3 * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
8 * Boston MA 02111-1307, USA; either version 2 of the License, or
9 * (at your option) any later version; incorporated herein by reference.
10 *
11 * ----------------------------------------------------------------------- */
12
13 /*
14 * resolv.c
15 *
16 * Resolve an IP address
17 */
18
19 #include <syslinux/pxe_api.h>
20 #include <string.h>
21 #include <stdio.h>
22 #include <console.h>
23 #include <stdlib.h>
24 #include <com32.h>
25
resolv(const char * name)26 uint32_t resolv(const char *name)
27 {
28 return dns_resolv(name);
29 }
30
main(int argc,char * argv[])31 int main(int argc, char *argv[])
32 {
33 uint32_t ip;
34
35 #if 0
36 /* this hangs! */
37 openconsole(&dev_null_r, &dev_stdcon_w);
38 #else
39 /* this works */
40 openconsole(&dev_rawcon_r, &dev_ansiserial_w);
41 #endif
42
43 if (argc < 2) {
44 fputs("Usage: resolv hostname\n", stderr);
45 exit(1);
46 }
47
48 ip = resolv(argv[1]);
49
50 if (ip) {
51 printf("%s = %u.%u.%u.%u\n", argv[1],
52 (ip & 0xff), (ip >> 8) & 0xff,
53 (ip >> 16) & 0xff, (ip >> 24) & 0xff);
54 } else {
55 printf("%s not found\n", argv[1]);
56 }
57
58 return 0;
59 }
60