1 /* $NetBSD: hesinfo.c,v 1.1 1999/01/25 22:45:55 lukem Exp $ */ 2 3 /* Copyright 1988, 1996 by the Massachusetts Institute of Technology. 4 * 5 * Permission to use, copy, modify, and distribute this 6 * software and its documentation for any purpose and without 7 * fee is hereby granted, provided that the above copyright 8 * notice appear in all copies and that both that copyright 9 * notice and this permission notice appear in supporting 10 * documentation, and that the name of M.I.T. not be used in 11 * advertising or publicity pertaining to distribution of the 12 * software without specific, written prior permission. 13 * M.I.T. makes no representations about the suitability of 14 * this software for any purpose. It is provided "as is" 15 * without express or implied warranty. 16 */ 17 18 /* This file is a simple driver for the Hesiod library. */ 19 20 21 #include <sys/cdefs.h> 22 __FBSDID("$FreeBSD$"); 23 24 #include <err.h> 25 #include <errno.h> 26 #include <hesiod.h> 27 #include <stdio.h> 28 #include <stdlib.h> 29 #include <string.h> 30 #include <unistd.h> 31 32 int 33 main(argc, argv) 34 int argc; 35 char **argv; 36 { 37 char **list, **p, *bindname, *name, *type; 38 int lflag = 0, errflg = 0, bflag = 0, c; 39 void *context; 40 41 while ((c = getopt(argc, argv, "lb")) != -1) { 42 switch (c) { 43 case 'l': 44 lflag = 1; 45 break; 46 case 'b': 47 bflag = 1; 48 break; 49 default: 50 errflg++; 51 break; 52 } 53 } 54 if (argc - optind != 2 || errflg) { 55 fprintf(stderr, "usage: hesinfo [-bl] name type\n"); 56 fprintf(stderr, "\t-l selects long format\n"); 57 fprintf(stderr, "\t-b also does hes_to_bind conversion\n"); 58 exit(2); 59 } 60 name = argv[optind]; 61 type = argv[optind + 1]; 62 63 if (hesiod_init(&context) < 0) { 64 if (errno == ENOEXEC) 65 warnx( 66 "hesiod_init: Invalid Hesiod configuration file."); 67 else 68 warn("hesiod_init"); 69 } 70 /* Display bind name if requested. */ 71 if (bflag) { 72 if (lflag) 73 printf("hes_to_bind(%s, %s) expands to\n", name, type); 74 bindname = hesiod_to_bind(context, name, type); 75 if (!bindname) { 76 if (lflag) 77 printf("nothing\n"); 78 if (errno == ENOENT) 79 warnx("hesiod_to_bind: Unknown rhs-extension."); 80 else 81 warn("hesiod_to_bind"); 82 exit(1); 83 } 84 printf("%s\n", bindname); 85 free(bindname); 86 if (lflag) 87 printf("which "); 88 } 89 if (lflag) 90 printf("resolves to\n"); 91 92 /* Do the hesiod resolve and check for errors. */ 93 list = hesiod_resolve(context, name, type); 94 if (!list) { 95 if (lflag) 96 printf("nothing\n"); 97 if (errno == ENOENT) 98 warnx("hesiod_resolve: Hesiod name not found."); 99 else 100 warn("hesiod_resolve"); 101 exit(1); 102 } 103 /* Display the results. */ 104 for (p = list; *p; p++) 105 printf("%s\n", *p); 106 107 hesiod_free_list(context, list); 108 hesiod_end(context); 109 exit(0); 110 } 111