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
26 * $FreeBSD: src/usr.sbin/pw/pwupd.c,v 1.21 2008/07/17 13:47:59 jhb Exp $
35 #include <sys/types.h>
37 #include <sys/param.h>
45 static char pathpwd[] = _PATH_PWD;
46 static char * pwpath = pathpwd;
49 setpwdir(const char * dir)
54 char * d = malloc(strlen(dir)+1);
57 pwpath = strcpy(d, dir);
63 getpwpath(char const * file)
65 static char pathbuf[MAXPATHLEN];
67 snprintf(pathbuf, sizeof pathbuf, "%s/%s", pwpath, file);
79 args[i++] = _PATH_PWD_MKDB;
81 while (i < 6 && arg != NULL) {
83 arg = va_arg(ap, char *);
85 if (pwpath != pathpwd) {
89 args[i++] = getpwpath(_MASTERPASSWD);
92 if ((pid = fork()) == -1) /* Error (errno set) */
94 else if (pid == 0) { /* Child */
106 fmtpwentry(char *buf, struct passwd * pwd, int type)
111 pw = (type == PWF_MASTER) ?
112 ((pwd->pw_passwd == NULL) ? "" : pwd->pw_passwd) : "*";
114 if (type == PWF_PASSWD)
115 l = sprintf(buf, "%s:*:%ld:%ld:%s:%s:%s\n",
116 pwd->pw_name, (long) pwd->pw_uid, (long) pwd->pw_gid,
117 pwd->pw_gecos ? pwd->pw_gecos : "User &",
118 pwd->pw_dir, pwd->pw_shell);
120 l = sprintf(buf, "%s:%s:%ld:%ld:%s:%lu:%lu:%s:%s:%s\n",
121 pwd->pw_name, pw, (long) pwd->pw_uid, (long) pwd->pw_gid,
122 pwd->pw_class ? pwd->pw_class : "",
123 (unsigned long) pwd->pw_change,
124 (unsigned long) pwd->pw_expire,
125 pwd->pw_gecos, pwd->pw_dir, pwd->pw_shell);
131 fmtpwent(char *buf, struct passwd * pwd)
133 return fmtpwentry(buf, pwd, PWF_STANDARD);
137 pw_update(struct passwd * pwd, char const * user, int mode)
144 * First, let's check the see if the database is alright
145 * Note: -C is only available in FreeBSD 2.2 and above
148 rc = pwdb("-C", NULL); /* Check only */
155 int l = snprintf(pfx, PWBUFSZ, "%s:", user);
157 int isrename = pwd!=NULL && strcmp(user, pwd->pw_name);
161 * Update the passwd file first
166 fmtpwentry(pwbuf, pwd, PWF_PASSWD);
170 rc = fileupdate(getpwpath(_PASSWD), 0644, pwbuf, pfx, l, mode);
174 * Then the master.passwd file
177 fmtpwentry(pwbuf, pwd, PWF_MASTER);
178 rc = fileupdate(getpwpath(_MASTERPASSWD), 0600, pwbuf, pfx, l, mode);
181 if (mode == UPD_DELETE || isrename)
186 rc = pwdb("-u", user, NULL);
195 addpwent(struct passwd * pwd)
197 return pw_update(pwd, pwd->pw_name, UPD_CREATE);
201 chgpwent(char const * login, struct passwd * pwd)
203 return pw_update(pwd, login, UPD_REPLACE);
207 delpwent(struct passwd * pwd)
209 return pw_update(NULL, pwd->pw_name, UPD_DELETE);