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ypmatch.c revision 1.1 
      1 #include <sys/param.h>
      2 #include <sys/types.h>
      3 #include <sys/socket.h>
      4 #include <stdio.h>
      5 #include <ctype.h>
      6 
      7 #include <rpc/rpc.h>
      8 #include <rpc/xdr.h>
      9 #include <rpcsvc/yp_prot.h>
     10 #include <rpcsvc/ypclnt.h>
     11 
     12 struct ypalias {
     13 	char *alias, *name;
     14 } ypaliases[] = {
     15 	{ "passwd", "passwd.byname" },
     16 	{ "group", "group.byname" },
     17 	{ "networks", "networks.byaddr" },
     18 	{ "hosts", "hosts.byaddr" },
     19 	{ "protocols", "protocols.bynumber" },
     20 	{ "services", "services.byname" },
     21 	{ "aliases", "mail.aliases" },
     22 	{ "ethers", "ethers.byname" },
     23 };
     24 
     25 usage()
     26 {
     27 	fprintf(stderr, "Usage:\n");
     28 	fprintf(stderr, "\typmatch [-d domain] [-t] [-k] key [key ...] mname\n");
     29 	fprintf(stderr, "\typmatch -x\n");
     30 	fprintf(stderr, "where\n");
     31 	fprintf(stderr, "\tmname may be either a mapname or a nickname for a map\n");
     32 	fprintf(stderr, "\t-t inhibits map nickname translation\n");
     33 	fprintf(stderr, "\t-k prints keys as well as values.\n");
     34 	fprintf(stderr, "\t-x dumps the map nickname translation table.\n");
     35 	exit(1);
     36 }
     37 
     38 int
     39 main(argc, argv)
     40 char **argv;
     41 {
     42 	char *domainname;
     43 	char *inkey, *inmap, *outbuf;
     44 	extern char *optarg;
     45 	extern int optind;
     46 	int outbuflen, key, notrans;
     47 	int c, r, i;
     48 
     49 	notrans = key = 0;
     50 	yp_get_default_domain(&domainname);
     51 
     52 	while( (c=getopt(argc, argv, "xd:kt")) != -1)
     53 		switch(c) {
     54 		case 'x':
     55 			for(i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
     56 				printf("Use \"%s\" for \"%s\"\n",
     57 					ypaliases[i].alias,
     58 					ypaliases[i].name);
     59 			exit(0);
     60 		case 'd':
     61 			domainname = optarg;
     62 			break;
     63 		case 't':
     64 			notrans++;
     65 			break;
     66 		case 'k':
     67 			key++;
     68 			break;
     69 		default:
     70 			usage();
     71 		}
     72 
     73 	if( (argc-optind) < 2 )
     74 		usage();
     75 
     76 	inmap = argv[argc-1];
     77 	for(i=0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++)
     78 		if( strcmp(inmap, ypaliases[i].alias) == 0)
     79 			inmap = ypaliases[i].name;
     80 	for(; optind < argc-1; optind++) {
     81 		inkey = argv[optind];
     82 
     83 		r = yp_match(domainname, inmap, inkey,
     84 			strlen(inkey), &outbuf, &outbuflen);
     85 		switch(r) {
     86 		case 0:
     87 			if(key)
     88 				printf("%s ", inkey);
     89 			printf("%*.*s\n", outbuflen, outbuflen, outbuf);
     90 			break;
     91 		case YPERR_YPBIND:
     92 			fprintf(stderr, "yp_match: not running ypbind\n");
     93 			exit(1);
     94 		default:
     95 			fprintf(stderr, "Can't match key %s in map %s. Reason: %s\n",
     96 				inkey, inmap, yperr_string(r));
     97 			break;
     98 		}
     99 	}
    100 	exit(0);
    101 }
    102