1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1986-1992 by Sun Microsystems Inc.
24 */
25
26#include <stdio.h>
27#include <rpc/rpc.h>
28#include <rpcsvc/yp_prot.h>
29#include <rpcsvc/ypclnt.h>
30#include <string.h>
31#include <unistd.h>
32
33#define	MAXMAPS 500
34/* number of nickname file entries arbitrarily limited */
35
36static char NICKFILE[] = "/var/yp/nicknames";
37static char *transtable[MAXMAPS];
38
39/*
40 * This will read nicknames from file /var/yp/nicknames
41 * and print it out or save it for future use.
42 */
43void
44maketable(dump)
45int dump;
46{
47	FILE *nickp;
48	int i = 0;
49	char nickbuf[2*YPMAXMAP+3], nickname[YPMAXMAP+1], mapname[YPMAXMAP+1];
50
51	if ((nickp = fopen(NICKFILE, "r")) == NULL) {
52		(void) fprintf(stderr, "nickname file %s does not exist\n",
53			NICKFILE);
54		exit(1);
55	}
56	while (fgets(nickbuf, YPMAXMAP, nickp) != NULL) {
57		if (strchr(nickbuf, '\n') == NULL) {
58			(void) fprintf(stderr,
59				"garbled nickname file %s\n", NICKFILE);
60			exit(1);
61		}
62		(void) memset(nickname, 0, YPMAXMAP+1);
63		(void) memset(mapname, 0, YPMAXMAP+1);
64		if (sscanf(nickbuf, "%s %s\n", nickname, mapname) != 2) {
65			(void) fprintf(stderr,
66				"garbled nickname file %s\n", NICKFILE);
67			exit(1);
68		}
69		if (!dump) {
70			transtable[i] = strdup(nickname);
71			transtable[i+1] = strdup(mapname);
72			i += 2;
73			transtable[i] = NULL;
74		} else {
75			printf("Use \"%s\"\tfor map \"%s\"\n",
76				nickname, mapname);
77		}
78	}
79	fclose(nickp);
80}
81
82/*
83 * This will get the mapname for a given nickname from the file.
84 */
85int
86getmapname(nick, map)
87char *nick, *map;
88{
89	FILE *nickp;
90	char nickbuf[2*YPMAXMAP+3], nickname[YPMAXMAP+1];
91
92	if ((nickp = fopen(NICKFILE, "r")) == NULL)
93		return (0);
94	while (fgets(nickbuf, YPMAXMAP, nickp) != NULL) {
95		if (strchr(nickbuf, '\n') == NULL) {
96			fclose(nickp);
97			return (0);
98		}
99		(void) memset(nickname, 0, YPMAXMAP+1);
100		(void) memset(map, 0, YPMAXMAP+1);
101		if (sscanf(nickbuf, "%s %s\n", nickname, map) != 2) {
102			fclose(nickp);
103			return (0);
104		}
105		if (strcmp(nick, nickname) == 0) {
106			fclose(nickp);
107			return (1);
108		}
109	}
110	fclose(nickp);
111	return (0);
112}
113