4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
155 lines
3.4 KiB
C
155 lines
3.4 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (C) 1996
|
|
* David L. Nugent. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/wait.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <pwd.h>
|
|
#include <libutil.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "pwupd.h"
|
|
|
|
char *
|
|
getpwpath(char const * file)
|
|
{
|
|
static char pathbuf[MAXPATHLEN];
|
|
|
|
snprintf(pathbuf, sizeof pathbuf, "%s/%s", conf.etcpath, file);
|
|
|
|
return (pathbuf);
|
|
}
|
|
|
|
static int
|
|
pwdb_check(void)
|
|
{
|
|
int i = 0;
|
|
pid_t pid;
|
|
char *args[10];
|
|
|
|
args[i++] = _PATH_PWD_MKDB;
|
|
args[i++] = "-C";
|
|
|
|
if (strcmp(conf.etcpath, _PATH_PWD) != 0) {
|
|
args[i++] = "-d";
|
|
args[i++] = conf.etcpath;
|
|
}
|
|
args[i++] = getpwpath(_MASTERPASSWD);
|
|
args[i] = NULL;
|
|
|
|
if ((pid = fork()) == -1) /* Error (errno set) */
|
|
i = errno;
|
|
else if (pid == 0) { /* Child */
|
|
execv(args[0], args);
|
|
_exit(1);
|
|
} else { /* Parent */
|
|
waitpid(pid, &i, 0);
|
|
if (WEXITSTATUS(i))
|
|
i = EIO;
|
|
}
|
|
|
|
return (i);
|
|
}
|
|
|
|
static int
|
|
pw_update(struct passwd * pwd, char const * user)
|
|
{
|
|
struct passwd *pw = NULL;
|
|
struct passwd *old_pw = NULL;
|
|
int rc, pfd, tfd;
|
|
|
|
if ((rc = pwdb_check()) != 0)
|
|
return (rc);
|
|
|
|
if (pwd != NULL)
|
|
pw = pw_dup(pwd);
|
|
|
|
if (user != NULL)
|
|
old_pw = GETPWNAM(user);
|
|
|
|
if (pw_init(conf.etcpath, NULL))
|
|
err(1, "pw_init()");
|
|
if ((pfd = pw_lock()) == -1) {
|
|
pw_fini();
|
|
err(1, "pw_lock()");
|
|
}
|
|
if ((tfd = pw_tmp(-1)) == -1) {
|
|
pw_fini();
|
|
err(1, "pw_tmp()");
|
|
}
|
|
if (pw_copy(pfd, tfd, pw, old_pw) == -1) {
|
|
pw_fini();
|
|
close(tfd);
|
|
err(1, "pw_copy()");
|
|
}
|
|
fsync(tfd);
|
|
close(tfd);
|
|
/*
|
|
* in case of deletion of a user, the whole database
|
|
* needs to be regenerated
|
|
*/
|
|
if (pw_mkdb(pw != NULL ? pw->pw_name : NULL) == -1) {
|
|
pw_fini();
|
|
err(1, "pw_mkdb()");
|
|
}
|
|
free(pw);
|
|
pw_fini();
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
addpwent(struct passwd * pwd)
|
|
{
|
|
|
|
return (pw_update(pwd, NULL));
|
|
}
|
|
|
|
int
|
|
chgpwent(char const * login, struct passwd * pwd)
|
|
{
|
|
|
|
return (pw_update(pwd, login));
|
|
}
|
|
|
|
int
|
|
delpwent(struct passwd * pwd)
|
|
{
|
|
|
|
return (pw_update(NULL, pwd->pw_name));
|
|
}
|