+/* $OpenBSD: passwd.c,v 1.42 2003/06/26 16:34:42 deraadt Exp $ */
+
/*
- * 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
+ * Copyright (c) 1987, 1993, 1994, 1995
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* 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
+ * 3. 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.
*
* SUCH DAMAGE.
*/
-#ifndef lint
-static char sccsid[] = "@(#)pw_scan.c 8.3 (Berkeley) 4/2/94";
-#endif /* not lint */
-
-/*
- * This module is used to "verify" password entries by chpass(1) and
- * pwd_mkdb(8).
- */
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$OpenBSD: passwd.c,v 1.42 2003/06/26 16:34:42 deraadt Exp $";
+#endif /* LIBC_SCCS and not lint */
-#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
-#include <err.h>
#include <fcntl.h>
-#include <pwd.h>
-#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
+#include <ctype.h>
+#include <pwd.h>
+#include <err.h>
+#include <errno.h>
+#include <paths.h>
+#include <signal.h>
+#include <limits.h>
-#include "pw_scan.h"
+#include "util.h"
int
-pw_scan(bp, pw)
- char *bp;
- struct passwd *pw;
+pw_scan(char *bp, struct passwd *pw, int *flags)
{
- uid_t id;
+ u_long id;
int root;
- char *p, *sh;
+ char *p, *sh, *p2;
+
+ if (flags != (int *)NULL)
+ *flags = 0;
- if (!(pw->pw_name = strsep(&bp, ":"))) /* login */
+ if (!(p = strsep(&bp, ":")) || *p == '\0') /* login */
goto fmt;
+ pw->pw_name = p;
root = !strcmp(pw->pw_name, "root");
if (!(pw->pw_passwd = strsep(&bp, ":"))) /* passwd */
if (!(p = strsep(&bp, ":"))) /* uid */
goto fmt;
- errno = 0;
- id = strtoul(p, NULL, 10);
- if( (id == 0) && (errno == EINVAL) ) {
- warnx("%s did not convert to uid", p);
- return(0);
- }
+ id = strtoul(p, &p2, 10);
if (root && id) {
warnx("root uid should be 0");
return (0);
}
- if ( (id == ULONG_MAX) && (errno == ERANGE) ) {
- warnx("%s > max uid value (%d)", p, ULONG_MAX);
+ if (*p2 != '\0') {
+ warnx("illegal uid field");
return (0);
}
- pw->pw_uid = id;
+#ifndef __APPLE__
+ /* Apple's UID_MAX is too small (sizeof signed) 3091256 */
+ if (id > UID_MAX) {
+ /* errno is set to ERANGE by strtoul(3) */
+ warnx("uid greater than %u", UID_MAX-1);
+ return (0);
+ }
+#endif
+ pw->pw_uid = (uid_t)id;
+ if ((*p == '\0') && (flags != (int *)NULL))
+ *flags |= _PASSWORD_NOUID;
if (!(p = strsep(&bp, ":"))) /* gid */
goto fmt;
- errno = 0;
- id = strtoul(p, NULL, 10);
- if( (id == 0) && (errno == EINVAL) ) {
- warnx("%s did not convert to gid", p);
- return(0);
+ id = strtoul(p, &p2, 10);
+ if (*p2 != '\0') {
+ warnx("illegal gid field");
+ return (0);
}
- if ( (id == ULONG_MAX) && (errno == ERANGE) ) {
- warnx("%s > max gid value (%d)", p, ULONG_MAX);
+#ifndef __APPLE__
+ /* Apple's UID_MAX is too small (sizeof signed) 3091256 */
+ if (id > UID_MAX) {
+ /* errno is set to ERANGE by strtoul(3) */
+ warnx("gid greater than %u", UID_MAX-1);
return (0);
}
- pw->pw_gid = id;
+#endif
+ pw->pw_gid = (gid_t)id;
+ if ((*p == '\0') && (flags != (int *)NULL))
+ *flags |= _PASSWORD_NOGID;
pw->pw_class = strsep(&bp, ":"); /* class */
if (!(p = strsep(&bp, ":"))) /* change */
goto fmt;
pw->pw_change = atol(p);
+ if ((*p == '\0') && (flags != (int *)NULL))
+ *flags |= _PASSWORD_NOCHG;
if (!(p = strsep(&bp, ":"))) /* expire */
goto fmt;
pw->pw_expire = atol(p);
+ if ((*p == '\0') && (flags != (int *)NULL))
+ *flags |= _PASSWORD_NOEXP;
pw->pw_gecos = strsep(&bp, ":"); /* gecos */
pw->pw_dir = strsep(&bp, ":"); /* directory */
if (!(pw->pw_shell = strsep(&bp, ":"))) /* shell */
goto fmt;
p = pw->pw_shell;
- if (root && *p) /* empty == /bin/sh */
+ if (root && *p) { /* empty == /bin/sh */
for (setusershell();;) {
if (!(sh = getusershell())) {
warnx("warning, unknown root shell");
break;
}
if (!strcmp(p, sh))
- break;
+ break;
}
+ endusershell();
+ }
- if (p = strsep(&bp, ":")) { /* too many */
+ if ((p = strsep(&bp, ":"))) { /* too many */
fmt: warnx("corrupted entry");
return (0);
}
+
return (1);
}
projects / apple / system_cmds.git / blobdiff