+++ /dev/null
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*-
- * Copyright (c) 1990, 1993, 1994
- * The Regents of the University of California. 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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 char sccsid[] = "@(#)pw_util.c 8.4 (Berkeley) 4/28/95";
-#endif /* not lint */
-
-/*
- * This file is used by all the "password" programs; vipw(8), chpass(1),
- * and passwd(1).
- */
-
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <paths.h>
-#include <pwd.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "pw_util.h"
-#ifdef DIRECTORY_SERVICE
-#include "directory_service.h"
-#endif /* DIRECTORY_SERVICE */
-
-extern char *tempname;
-static pid_t editpid = -1;
-static int lockfd;
-
-void
-pw_cont(sig)
- int sig;
-{
-
- if (editpid != -1)
- kill(editpid, sig);
-}
-
-void
-pw_init()
-{
- struct rlimit rlim;
-
- /* Unlimited resource limits. */
- rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
- (void)setrlimit(RLIMIT_CPU, &rlim);
- (void)setrlimit(RLIMIT_FSIZE, &rlim);
- (void)setrlimit(RLIMIT_STACK, &rlim);
- (void)setrlimit(RLIMIT_DATA, &rlim);
- (void)setrlimit(RLIMIT_RSS, &rlim);
-
- /* Don't drop core (not really necessary, but GP's). */
- rlim.rlim_cur = rlim.rlim_max = 0;
- (void)setrlimit(RLIMIT_CORE, &rlim);
-
- /* Turn off signals. */
- (void)signal(SIGALRM, SIG_IGN);
- (void)signal(SIGHUP, SIG_IGN);
- (void)signal(SIGINT, SIG_IGN);
- (void)signal(SIGPIPE, SIG_IGN);
- (void)signal(SIGQUIT, SIG_IGN);
- (void)signal(SIGTERM, SIG_IGN);
- (void)signal(SIGCONT, pw_cont);
-
- /* Create with exact permissions. */
- (void)umask(0);
-}
-
-int
-pw_lock()
-{
- /*
- * If the master password file doesn't exist, the system is hosed.
- * Might as well try to build one. Set the close-on-exec bit so
- * that users can't get at the encrypted passwords while editing.
- * Open should allow flock'ing the file; see 4.4BSD. XXX
- */
- lockfd = open(_PATH_MASTERPASSWD, O_RDONLY, 0);
- if (lockfd < 0 || fcntl(lockfd, F_SETFD, 1) == -1)
- err(1, "%s", _PATH_MASTERPASSWD);
- if (flock(lockfd, LOCK_EX|LOCK_NB))
- errx(1, "the password db file is busy");
- return (lockfd);
-}
-
-int
-pw_tmp()
-{
- static char path[MAXPATHLEN] = _PATH_MASTERPASSWD;
- int fd;
- char *p;
-
- if (p = strrchr(path, '/'))
- ++p;
- else
- p = path;
- strcpy(p, "pw.XXXXXX");
- if ((fd = mkstemp(path)) == -1)
- err(1, "%s", path);
- tempname = path;
- return (fd);
-}
-
-int
-pw_mkdb()
-{
- int pstat;
- pid_t pid;
-
- warnx("rebuilding the database...");
- (void)fflush(stderr);
- if (!(pid = vfork())) {
- execl(_PATH_PWD_MKDB, "pwd_mkdb", "-p", tempname, NULL);
- pw_error(_PATH_PWD_MKDB, 1, 1);
- }
- pid = waitpid(pid, &pstat, 0);
- if (pid == -1 || !WIFEXITED(pstat) || WEXITSTATUS(pstat) != 0)
- return (1);
- warnx("done");
- return (0);
-}
-
-void
-pw_edit(notsetuid)
- int notsetuid;
-{
- int pstat;
- char *p, *editor;
-
- if (!(editor = getenv("EDITOR")))
- editor = _PATH_VI;
- if (p = strrchr(editor, '/'))
- ++p;
- else
- p = editor;
-
- if (!(editpid = vfork())) {
- if (notsetuid) {
- (void)setgid(getgid());
- (void)setuid(getuid());
- }
- execlp(editor, p, tempname, NULL);
- _exit(1);
- }
- for (;;) {
- editpid = waitpid(editpid, (int *)&pstat, WUNTRACED);
- if (editpid == -1)
- pw_error(editor, 1, 1);
- else if (WIFSTOPPED(pstat))
- raise(WSTOPSIG(pstat));
- else if (WIFEXITED(pstat) && WEXITSTATUS(pstat) == 0)
- break;
- else
- pw_error(editor, 1, 1);
- }
- editpid = -1;
-}
-
-void
-pw_prompt()
-{
- int c;
-
- (void)printf("re-edit the password file? [y]: ");
- (void)fflush(stdout);
- c = getchar();
- if (c != EOF && c != '\n')
- while (getchar() != '\n');
- if (c == 'n')
- pw_error(NULL, 0, 0);
-}
-
-void
-pw_error(name, err, eval)
- char *name;
- int err, eval;
-{
-#ifdef DIRECTORY_SERVICE
- extern int dswhere;
-#endif /* DIRECTORY_SERVICE */
- if (err)
- warn("%s", name);
-
-#ifdef DIRECTORY_SERVICE
- switch(dswhere) {
- case WHERE_LOCALNI:
- warnx("netinfo domain \"%s\": unchanged", DSPath);
- break;
- case WHERE_FILES:
-#endif /* DIRECTORY_SERVICE */
- warnx("%s: unchanged", _PATH_MASTERPASSWD);
-#ifdef DIRECTORY_SERVICE
- }
-#endif /* DIRECTORY_SERVICE */
- (void)unlink(tempname);
- exit(eval);
-}
projects / apple / system_cmds.git / blobdiff