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[] =
46 static FILE * pwd_fp = NULL;
63 static struct passwd *
64 vnextpwent(char const *nam, uid_t uid, int doclose)
75 if (pwd_fp != NULL || (pwd_fp = fopen(getpwpath(_MASTERPASSWD), "r")) != NULL) {
76 while ((linelen = getline(&line, &linecap, pwd_fp)) > 0) {
77 /* Skip comments and empty lines */
78 if (*line == '\n' || *line == '#')
81 if (line[linelen - 1 ] == '\n')
82 line[linelen - 1] = '\0';
83 pw = pw_scan(line, PWSCAN_MASTER);
85 errx(EXIT_FAILURE, "Invalid user entry in '%s':"
86 " '%s'", getpwpath(_MASTERPASSWD), line);
87 if (uid != (uid_t)-1) {
88 if (uid == pw->pw_uid)
90 } else if (nam != NULL) {
91 if (strcmp(nam, pw->pw_name) == 0)
109 return vnextpwent(NULL, -1, 0);
115 return vnextpwent(NULL, uid, 1);
119 vgetpwnam(const char * nam)
121 return vnextpwent(nam, -1, 1);
125 static FILE * grp_fp = NULL;
130 if (grp_fp != NULL) {
140 #if defined(__FreeBSD__)
145 static struct group *
146 vnextgrent(char const *nam, gid_t gid, int doclose)
157 if (grp_fp != NULL || (grp_fp = fopen(getgrpath(_GROUP), "r")) != NULL) {
158 while ((linelen = getline(&line, &linecap, grp_fp)) > 0) {
159 /* Skip comments and empty lines */
160 if (*line == '\n' || *line == '#')
163 if (line[linelen - 1 ] == '\n')
164 line[linelen - 1] = '\0';
167 errx(EXIT_FAILURE, "Invalid group entry in '%s':"
168 " '%s'", getgrpath(_GROUP), line);
169 if (gid != (gid_t)-1) {
170 if (gid == gr->gr_gid)
172 } else if (nam != NULL) {
173 if (strcmp(nam, gr->gr_name) == 0)
191 return vnextgrent(NULL, -1, 0);
198 return vnextgrent(NULL, gid, 1);
202 vgetgrnam(const char * nam)
204 return vnextgrent(nam, -1, 1);