3 * David L. Nugent. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 static const char rcsid[] =
40 #include <sys/param.h>
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) {
139 #if defined(__FreeBSD__)
144 static struct group *
145 vnextgrent(char const *nam, gid_t gid, int doclose)
156 if (grp_fp != NULL || (grp_fp = fopen(getgrpath(_GROUP), "r")) != NULL) {
157 while ((linelen = getline(&line, &linecap, grp_fp)) > 0) {
158 /* Skip comments and empty lines */
159 if (*line == '\n' || *line == '#')
162 if (line[linelen - 1 ] == '\n')
163 line[linelen - 1] = '\0';
166 errx(EXIT_FAILURE, "Invalid group entry in '%s':"
167 " '%s'", getgrpath(_GROUP), line);
168 if (gid != (gid_t)-1) {
169 if (gid == gr->gr_gid)
171 } else if (nam != NULL) {
172 if (strcmp(nam, gr->gr_name) == 0)
190 return vnextgrent(NULL, -1, 0);
197 return vnextgrent(NULL, gid, 1);
201 vgetgrnam(const char * nam)
203 return vnextgrent(nam, -1, 1);