2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 * David L. Nugent. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 static const char rcsid[] =
45 static FILE * pwd_fp = NULL;
62 static struct passwd *
63 vnextpwent(char const *nam, uid_t uid, int doclose)
74 if (pwd_fp != NULL || (pwd_fp = fopen(getpwpath(_MASTERPASSWD), "r")) != NULL) {
75 while ((linelen = getline(&line, &linecap, pwd_fp)) > 0) {
76 /* Skip comments and empty lines */
77 if (*line == '\n' || *line == '#')
80 if (line[linelen - 1 ] == '\n')
81 line[linelen - 1] = '\0';
82 pw = pw_scan(line, PWSCAN_MASTER);
84 errx(EXIT_FAILURE, "Invalid user entry in '%s':"
85 " '%s'", getpwpath(_MASTERPASSWD), line);
86 if (uid != (uid_t)-1) {
87 if (uid == pw->pw_uid)
89 } else if (nam != NULL) {
90 if (strcmp(nam, pw->pw_name) == 0)
108 return vnextpwent(NULL, -1, 0);
114 return vnextpwent(NULL, uid, 1);
118 vgetpwnam(const char * nam)
120 return vnextpwent(nam, -1, 1);
124 static FILE * grp_fp = NULL;
129 if (grp_fp != NULL) {
141 static struct group *
142 vnextgrent(char const *nam, gid_t gid, int doclose)
153 if (grp_fp != NULL || (grp_fp = fopen(getgrpath(_GROUP), "r")) != NULL) {
154 while ((linelen = getline(&line, &linecap, grp_fp)) > 0) {
155 /* Skip comments and empty lines */
156 if (*line == '\n' || *line == '#')
159 if (line[linelen - 1 ] == '\n')
160 line[linelen - 1] = '\0';
163 errx(EXIT_FAILURE, "Invalid group entry in '%s':"
164 " '%s'", getgrpath(_GROUP), line);
165 if (gid != (gid_t)-1) {
166 if (gid == gr->gr_gid)
168 } else if (nam != NULL) {
169 if (strcmp(nam, gr->gr_name) == 0)
187 return vnextgrent(NULL, -1, 0);
194 return vnextgrent(NULL, gid, 1);
198 vgetgrnam(const char * nam)
200 return vnextgrent(nam, -1, 1);