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 #ifndef lint 23 static const char rcsid[] = 24 "$FreeBSD$"; 25 #endif /* not lint */ 26 27 #include <err.h> 28 #include <errno.h> 29 #include <hesiod.h> 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <string.h> 33 #include <unistd.h> 34 35 int main(int, char **); 36 extern char *__progname; 37 38 int 39 main(argc, argv) 40 int argc; 41 char **argv; 42 { 43 char **list, **p, *bindname, *name, *type; 44 int lflag = 0, errflg = 0, bflag = 0, c; 45 void *context; 46 47 while ((c = getopt(argc, argv, "lb")) != -1) { 48 switch (c) { 49 case 'l': 50 lflag = 1; 51 break; 52 case 'b': 53 bflag = 1; 54 break; 55 default: 56 errflg++; 57 break; 58 } 59 } 60 if (argc - optind != 2 || errflg) { 61 fprintf(stderr, "Usage: %s [-bl] name type\n", __progname); 62 fprintf(stderr, "\t-l selects long format\n"); 63 fprintf(stderr, "\t-b also does hes_to_bind conversion\n"); 64 exit(2); 65 } 66 name = argv[optind]; 67 type = argv[optind + 1]; 68 69 if (hesiod_init(&context) < 0) { 70 if (errno == ENOEXEC) 71 warnx( 72 "hesiod_init: Invalid Hesiod configuration file."); 73 else 74 warn("hesiod_init"); 75 } 76 /* Display bind name if requested. */ 77 if (bflag) { 78 if (lflag) 79 printf("hes_to_bind(%s, %s) expands to\n", name, type); 80 bindname = hesiod_to_bind(context, name, type); 81 if (!bindname) { 82 if (lflag) 83 printf("nothing\n"); 84 if (errno == ENOENT) 85 warnx("hesiod_to_bind: Unknown rhs-extension."); 86 else 87 warn("hesiod_to_bind"); 88 exit(1); 89 } 90 printf("%s\n", bindname); 91 free(bindname); 92 if (lflag) 93 printf("which "); 94 } 95 if (lflag) 96 printf("resolves to\n"); 97 98 /* Do the hesiod resolve and check for errors. */ 99 list = hesiod_resolve(context, name, type); 100 if (!list) { 101 if (lflag) 102 printf("nothing\n"); 103 if (errno == ENOENT) 104 warnx("hesiod_resolve: Hesiod name not found."); 105 else 106 warn("hesiod_resolve"); 107 exit(1); 108 } 109 /* Display the results. */ 110 for (p = list; *p; p++) 111 printf("%s\n", *p); 112 113 hesiod_free_list(context, list); 114 hesiod_end(context); 115 exit(0); 116 } 117