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 2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * Portions of this source code were derived from Berkeley 4.3 BSD
32 * under license from the Regents of the University of California.
33 */
34
35 #pragma ident "%Z%%M% %I% %E% SMI"
36
37 #ifndef lint
38 static char sccsid[] = "@(#)ypserv_ancil.c 1.13 88/02/08 Copyr 1984 Sun Micro";
39 #endif
40
41 #include <dirent.h>
42 #include <syslog.h>
43 #include "ypsym.h"
44 #include "ypdefs.h"
45 USE_YPDBPATH
46 USE_DBM
47 #include "shim_hooks.h"
48 #include "shim.h"
49 #include "yptol.h"
50
51 extern unsigned int strlen();
52 extern int strcmp();
53 extern int isvar_sysv();
54 extern char *strncpy();
55 extern int yp_getkey();
56
57 /*
58 * This generates a list of the maps in a domain.
59 */
60 int
yplist_maps(domain,list)61 yplist_maps(domain, list)
62 char *domain;
63 struct ypmaplist **list;
64 {
65 DIR *dirp;
66 struct dirent *dp;
67 char domdir[MAXNAMLEN + 1];
68 char path[MAXNAMLEN + 1];
69 char map_key[YPMAXMAP + 1];
70 int error;
71 char *ext;
72 struct ypmaplist *map;
73 int namesz;
74 char *mapname;
75
76 *list = (struct ypmaplist *)NULL;
77
78 if (!ypcheck_domain(domain)) {
79 return (YP_NODOM);
80 }
81
82 (void) strcpy(domdir, ypdbpath);
83 (void) strcat(domdir, "/");
84 (void) strcat(domdir, domain);
85
86 if ((dirp = opendir(domdir)) == NULL) {
87 return (YP_YPERR);
88 }
89
90 error = YP_TRUE;
91
92 for (dp = readdir(dirp); error == YP_TRUE && dp != NULL;
93 dp = readdir(dirp)) {
94 /*
95 * If it's possible that the file name is one of the two files
96 * implementing a map, remove the extension (dbm_pag or dbm_dir)
97 */
98 namesz = (int)strlen(dp->d_name);
99
100 if (namesz < sizeof (dbm_pag) - 1)
101 continue; /* Too Short */
102
103 ext = &(dp->d_name[namesz - (sizeof (dbm_pag) - 1)]);
104
105 if (strcmp(ext, dbm_pag) != 0)
106 continue; /* No dbm file extension */
107
108 *ext = '\0';
109
110
111 /*
112 * In yptol mode look at LDAP_ prefixed maps. In non yptol mode
113 * ignore them.
114 */
115 if (yptol_mode) {
116 if (0 != strncmp(dp->d_name, NTOL_PREFIX,
117 strlen(NTOL_PREFIX)))
118 continue;
119
120 /*
121 * Already have an LDAP_ prefix. Don't want to add it
122 * twice.
123 */
124 mapname = dp->d_name + strlen(NTOL_PREFIX);
125 } else {
126 if (0 == strncmp(dp->d_name, NTOL_PREFIX,
127 strlen(NTOL_PREFIX)))
128 continue;
129 mapname = dp->d_name;
130 }
131
132 ypmkfilename(domain, mapname, path);
133
134 /*
135 * At this point, path holds the map file base name (no dbm
136 * file extension), and mapname holds the map name.
137 */
138 if (ypcheck_map_existence(path) &&
139 !onmaplist(mapname, *list)) {
140
141 if ((map = (struct ypmaplist *)malloc(
142 sizeof (struct ypmaplist))) == NULL) {
143 error = YP_YPERR;
144 break;
145 }
146
147 map->ypml_next = *list;
148 *list = map;
149 namesz = (int)strlen(mapname);
150
151 if (namesz <= YPMAXMAP) {
152 if (yp_getkey(mapname, map_key,
153 MAXALIASLEN) < 0) {
154
155 fprintf(stderr,
156 "yplist_maps: getkey failed for %s\n",
157 mapname);
158 error = YP_YPERR;
159 break;
160 } else
161 (void) strcpy(map->ypml_name, map_key);
162 } else {
163 if (yp_getkey(mapname, map_key,
164 MAXALIASLEN) < 0) {
165 fprintf(stderr,
166 "yplist_maps: getkey failed for %s\n",
167 mapname);
168 error = YP_YPERR;
169 break;
170 } else if (strcmp(mapname, map_key) == 0) {
171 (void) strncpy(map->ypml_name,
172 mapname,
173 (unsigned int) namesz);
174 map->ypml_name[YPMAXMAP] = '\0';
175 } else {
176 (void) strcpy(map->ypml_name, map_key);
177 }
178 }
179 }
180 }
181
182 closedir(dirp);
183 return (error);
184 }
185