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 26 uint32_t resolv(const char *name) 27 { 28 return dns_resolv(name); 29 } 30 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