[apple/system_cmds.git] / system_cmds-597.1.1 / chpass.tproj / chpass.c

/*
 * Copyright (c) 1999-2006 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * 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 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*-
 * Copyright (c) 1988, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 * Copyright (c) 2002 Networks Associates Technology, Inc.
 * All rights reserved.
 *
 * Portions of this software were developed for the FreeBSD Project by
 * ThinkSec AS and NAI Labs, the Security Research Division of Network
 * Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
 * ("CBOSS"), as part of the DARPA CHATS research program.
 *
 * 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.
 */

#if 0
#if 0
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1988, 1993, 1994\n\
	The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)chpass.c	8.4 (Berkeley) 4/2/94";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/usr.bin/chpass/chpass.c,v 1.27.8.1 2006/09/29 06:13:20 marck Exp $");
#endif

#include <sys/param.h>
#include <sys/stat.h>
#include <sys/signal.h>
#include <sys/time.h>
#include <sys/resource.h>

#include <err.h>
#include <errno.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifdef YP
#include <ypclnt.h>
#endif

#ifndef OPEN_DIRECTORY
#include <pw_scan.h>
#include <libutil.h>
#endif

#include "chpass.h"

int master_mode;

#ifdef OPEN_DIRECTORY
#include "open_directory.h"
char *progname = NULL;
CFStringRef DSPath = NULL;
#endif /* OPEN_DIRECTORY */

static void	baduser(void);
static void	usage(void);

int
main(int argc, char *argv[])
{
	enum { NEWSH, LOADENTRY, EDITENTRY, NEWPW, NEWEXP } op;
#ifndef OPEN_DIRECTORY
	struct passwd lpw, *old_pw, *pw;
	int ch, pfd, tfd;
	const char *password;
#else
	struct passwd *old_pw, *pw;
	int ch, tfd;
	char tfn[MAXPATHLEN];
	char *tmpdir;
#endif
	char *arg = NULL;
	uid_t uid;
#ifdef YP
	struct ypclnt *ypclnt;
	const char *yp_domain = NULL, *yp_host = NULL;
#endif
#ifdef OPEN_DIRECTORY
	CFStringRef username = NULL;
	CFStringRef authname = NULL;
	CFStringRef location = NULL;
	
	progname = strrchr(argv[0], '/');
	if (progname) progname++;
	else progname = argv[0];
#endif /* OPEN_DIRECTORY */

	pw = old_pw = NULL;
	op = EDITENTRY;
#ifdef OPEN_DIRECTORY
	while ((ch = getopt(argc, argv, "a:s:l:u:")) != -1)
#else /* OPEN_DIRECTORY */
#ifdef YP
	while ((ch = getopt(argc, argv, "a:p:s:e:d:h:loy")) != -1)
#else
	while ((ch = getopt(argc, argv, "a:p:s:e:")) != -1)
#endif
#endif /* OPEN_DIRECTORY */
		switch (ch) {
		case 'a':
			op = LOADENTRY;
			arg = optarg;
			break;
		case 's':
			op = NEWSH;
			arg = optarg;
			break;
#ifndef OPEN_DIRECTORY
		case 'p':
			op = NEWPW;
			arg = optarg;
			break;
		case 'e':
			op = NEWEXP;
			arg = optarg;
			break;
#ifdef YP
		case 'd':
			yp_domain = optarg;
			break;
		case 'h':
			yp_host = optarg;
			break;
		case 'l':
		case 'o':
		case 'y':
			/* compatibility */
			break;
#endif
#else /* OPEN_DIRECTORY */
		case 'l':
			location = CFStringCreateWithCString(NULL, optarg, kCFStringEncodingUTF8);
			break;
		case 'u':
			authname = CFStringCreateWithCString(NULL, optarg, kCFStringEncodingUTF8);
			break;
#endif
		case '?':
		default:
			usage();
		}

	argc -= optind;
	argv += optind;

	if (argc > 1)
		usage();

	uid = getuid();

	if (op == EDITENTRY || op == NEWSH || op == NEWPW || op == NEWEXP) {
		if (argc == 0) {
			if ((pw = getpwuid(uid)) == NULL)
				errx(1, "unknown user: uid %lu",
				    (unsigned long)uid);
		} else {
			if ((pw = getpwnam(*argv)) == NULL)
				errx(1, "unknown user: %s", *argv);
#ifndef OPEN_DIRECTORY
			if (uid != 0 && uid != pw->pw_uid)
				baduser();
#endif
		}

#ifndef OPEN_DIRECTORY
		/* Make a copy for later verification */
		if ((pw = pw_dup(pw)) == NULL ||
		    (old_pw = pw_dup(pw)) == NULL)
			err(1, "pw_dup");
#endif
	}

#if OPEN_DIRECTORY
	master_mode = (uid == 0);

	/*
	 * Find the user record and copy its details.
	 */
	username = CFStringCreateWithCString(NULL, pw->pw_name, kCFStringEncodingUTF8);

	if (strcmp(progname, "chsh") == 0 || op == NEWSH) {
		cfprintf(stderr, "Changing shell for %@.\n", username);
	} else if (strcmp(progname, "chfn") == 0) {
		cfprintf(stderr, "Changing finger information for %@.\n", username);
	} else if (strcmp(progname, "chpass") == 0) {
		cfprintf(stderr, "Changing account information for %@.\n", username);
	}
	
	/*
	 * odGetUser updates DSPath global variable, performs authentication
	 * if necessary, and extracts the attributes.
	 */
	CFDictionaryRef attrs_orig = NULL;
	CFDictionaryRef attrs = NULL;
	ODRecordRef rec = odGetUser(location, authname, username, &attrs_orig);
	
	if (!rec || !attrs_orig) exit(1);
#endif /* OPEN_DIRECTORY */

#ifdef YP
	if (pw != NULL && (pw->pw_fields & _PWF_SOURCE) == _PWF_NIS) {
		ypclnt = ypclnt_new(yp_domain, "passwd.byname", yp_host);
		master_mode = (ypclnt != NULL &&
		    ypclnt_connect(ypclnt) != -1 &&
		    ypclnt_havepasswdd(ypclnt) == 1);
		ypclnt_free(ypclnt);
	} else
#endif
	master_mode = (uid == 0);

	if (op == NEWSH) {
		/* protect p_shell -- it thinks NULL is /bin/sh */
		if (!arg[0])
			usage();
		if (p_shell(arg, pw, (ENTRY *)NULL) == -1)
			exit(1);
#ifdef OPEN_DIRECTORY
		else {
			ENTRY* ep;
			
			setrestricted(attrs_orig);
			
			for (ep = list; ep->prompt; ep++) {
				if (strncasecmp(ep->prompt, "shell", ep->len) == 0) {
					if (!ep->restricted) {
						CFStringRef shell = CFStringCreateWithCString(NULL, arg, kCFStringEncodingUTF8);
						if (shell) {
							attrs = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
							if (attrs) CFDictionarySetValue((CFMutableDictionaryRef)attrs, kODAttributeTypeUserShell, shell);
							CFRelease(shell);
						}
					} else {
						warnx("shell is restricted");
						exit(1);
					}
				}
			}
		}
#endif
	}

#ifndef OPEN_DIRECTORY
	if (op == NEWEXP) {
		if (uid)	/* only root can change expire */
			baduser();
		if (p_expire(arg, pw, (ENTRY *)NULL) == -1)
			exit(1);
	}
#endif

	if (op == LOADENTRY) {
		if (uid)
			baduser();
#ifdef OPEN_DIRECTORY
		warnx("-a is not supported for Open Directory.");
		exit(1);
#else
		pw = &lpw;
		old_pw = NULL;
		if (!__pw_scan(arg, pw, _PWSCAN_WARN|_PWSCAN_MASTER))
			exit(1);
#endif /* OPEN_DIRECTORY */
	}

#ifndef OPEN_DIRECTORY
	if (op == NEWPW) {
		if (uid)
			baduser();

		if (strchr(arg, ':'))
			errx(1, "invalid format for password");
		pw->pw_passwd = arg;
	}
#endif /* OPEN_DIRECTORY */

	if (op == EDITENTRY) {
#ifdef OPEN_DIRECTORY
		setrestricted(attrs_orig);
		tmpdir = getenv("TMPDIR");
		if (!tmpdir)
			tmpdir = P_tmpdir; // defined in the system headers, defaults to /tmp
		snprintf(tfn, sizeof(tfn), "%s/%s.XXXXXX", tmpdir, progname);
		if ((tfd = mkstemp(tfn)) == -1)
			err(1, "%s", tfn);
		attrs = (CFMutableDictionaryRef)edit(tfn, attrs_orig);
		(void)unlink(tfn);
#else
		/*
		 * We don't really need pw_*() here, but pw_edit() (used
		 * by edit()) is just too useful...
		 */
		if (pw_init(NULL, NULL))
			err(1, "pw_init()");
		if ((tfd = pw_tmp(-1)) == -1) {
			pw_fini();
			err(1, "pw_tmp()");
		}
		free(pw);
		pw = edit(pw_tempname(), old_pw);
		pw_fini();
		if (pw == NULL)
			err(1, "edit()");
		/* 
		 * pw_equal does not check for crypted passwords, so we
		 * should do it explicitly
		 */
		if (pw_equal(old_pw, pw) && 
		    strcmp(old_pw->pw_passwd, pw->pw_passwd) == 0)
			errx(0, "user information unchanged");
#endif /* OPEN_DIRECTORY */
	}

#ifndef OPEN_DIRECTORY
	if (old_pw && !master_mode) {
		password = getpass("Password: ");
		if (strcmp(crypt(password, old_pw->pw_passwd),
		    old_pw->pw_passwd) != 0)
			baduser();
	} else {
		password = "";
	}
#endif

#ifdef OPEN_DIRECTORY
	odUpdateUser(rec, attrs_orig, attrs);
	
	if (rec) CFRelease(rec);

	exit(0);
	return 0;
#else /* OPEN_DIRECTORY */
	exit(0);
	if (old_pw != NULL)
		pw->pw_fields |= (old_pw->pw_fields & _PWF_SOURCE);
	switch (pw->pw_fields & _PWF_SOURCE) {
#ifdef YP
	case _PWF_NIS:
		ypclnt = ypclnt_new(yp_domain, "passwd.byname", yp_host);
		if (ypclnt == NULL ||
		    ypclnt_connect(ypclnt) == -1 ||
		    ypclnt_passwd(ypclnt, pw, password) == -1) {
			warnx("%s", ypclnt->error);
			ypclnt_free(ypclnt);
			exit(1);
		}
		ypclnt_free(ypclnt);
		errx(0, "NIS user information updated");
#endif /* YP */
	case 0:
	case _PWF_FILES:
		if (pw_init(NULL, 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();
			err(1, "pw_copy");
		}
		if (pw_mkdb(pw->pw_name) == -1) {
			pw_fini();
			err(1, "pw_mkdb()");
		}
		pw_fini();
		errx(0, "user information updated");
		break;
	default:
		errx(1, "unsupported passwd source");
	}
#endif /* OPEN_DIRECTORY */
}

static void
baduser(void)
{

	errx(1, "%s", strerror(EACCES));
}

static void
usage(void)
{

	(void)fprintf(stderr,
	    "usage: chpass%s %s [user]\n",
#ifdef OPEN_DIRECTORY
		"",
		"[-l location] [-u authname] [-s shell]");
#else /* OPEN_DIRECTORY */
#ifdef YP
	    " [-d domain] [-h host]",
#else
	    "",
#endif
	    "[-a list] [-p encpass] [-s shell] [-e mmm dd yy]");
#endif /* OPEN_DIRECTORY */
	exit(1);
}
Commit	Line	Data
45bc9d15 A	1	/*
	2	* Copyright (c) 1999-2006 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/*-
	24	* Copyright (c) 1988, 1993, 1994
	25	* The Regents of the University of California. All rights reserved.
	26	* Copyright (c) 2002 Networks Associates Technology, Inc.
	27	* All rights reserved.
	28	*
	29	* Portions of this software were developed for the FreeBSD Project by
	30	* ThinkSec AS and NAI Labs, the Security Research Division of Network
	31	* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
	32	* ("CBOSS"), as part of the DARPA CHATS research program.
	33	*
	34	* Redistribution and use in source and binary forms, with or without
	35	* modification, are permitted provided that the following conditions
	36	* are met:
	37	* 1. Redistributions of source code must retain the above copyright
	38	* notice, this list of conditions and the following disclaimer.
	39	* 2. Redistributions in binary form must reproduce the above copyright
	40	* notice, this list of conditions and the following disclaimer in the
	41	* documentation and/or other materials provided with the distribution.
	42	* 3. All advertising materials mentioning features or use of this software
	43	* must display the following acknowledgement:
	44	* This product includes software developed by the University of
	45	* California, Berkeley and its contributors.
	46	* 4. Neither the name of the University nor the names of its contributors
	47	* may be used to endorse or promote products derived from this software
	48	* without specific prior written permission.
	49	*
	50	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	51	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	52	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	53	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	54	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	55	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	56	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	57	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	58	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	59	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	60	* SUCH DAMAGE.
	61	*/
	62
	63	#if 0
	64	#if 0
65	#ifndef lint
66	static const char copyright[] =
67	"@(#) Copyright (c) 1988, 1993, 1994\n\
68	The Regents of the University of California. All rights reserved.\n";
69	#endif /* not lint */
70
71	#ifndef lint
72	static char sccsid[] = "@(#)chpass.c 8.4 (Berkeley) 4/2/94";
73	#endif /* not lint */
74	#endif
75	#include <sys/cdefs.h>
76	__FBSDID("$FreeBSD: src/usr.bin/chpass/chpass.c,v 1.27.8.1 2006/09/29 06:13:20 marck Exp $");
77	#endif
78
79	#include <sys/param.h>
80	#include <sys/stat.h>
81	#include <sys/signal.h>
82	#include <sys/time.h>
83	#include <sys/resource.h>
84
85	#include <err.h>
86	#include <errno.h>
87	#include <pwd.h>
88	#include <stdio.h>
89	#include <stdlib.h>
90	#include <string.h>
91	#include <unistd.h>
92	#ifdef YP
93	#include <ypclnt.h>
94	#endif
95
96	#ifndef OPEN_DIRECTORY
97	#include <pw_scan.h>
98	#include <libutil.h>
99	#endif
100
101	#include "chpass.h"
102
103	int master_mode;
104
105	#ifdef OPEN_DIRECTORY
106	#include "open_directory.h"
107	char *progname = NULL;
108	CFStringRef DSPath = NULL;
109	#endif /* OPEN_DIRECTORY */
110
111	static void baduser(void);
112	static void usage(void);
113
114	int
115	main(int argc, char *argv[])
116	{
117	enum { NEWSH, LOADENTRY, EDITENTRY, NEWPW, NEWEXP } op;
118	#ifndef OPEN_DIRECTORY
119	struct passwd lpw, old_pw, pw;
120	int ch, pfd, tfd;
121	const char *password;
122	#else
123	struct passwd old_pw, pw;
124	int ch, tfd;
125	char tfn[MAXPATHLEN];
126	char *tmpdir;
127	#endif
128	char *arg = NULL;
129	uid_t uid;
130	#ifdef YP
131	struct ypclnt *ypclnt;
132	const char yp_domain = NULL, yp_host = NULL;
133	#endif
134	#ifdef OPEN_DIRECTORY
135	CFStringRef username = NULL;
136	CFStringRef authname = NULL;
137	CFStringRef location = NULL;
138
139	progname = strrchr(argv[0], '/');
140	if (progname) progname++;
141	else progname = argv[0];
142	#endif /* OPEN_DIRECTORY */
143
144	pw = old_pw = NULL;
145	op = EDITENTRY;
146	#ifdef OPEN_DIRECTORY
147	while ((ch = getopt(argc, argv, "a:s:l:u:")) != -1)
148	#else /* OPEN_DIRECTORY */
149	#ifdef YP
150	while ((ch = getopt(argc, argv, "a:p:s:e:d:h:loy")) != -1)
151	#else
152	while ((ch = getopt(argc, argv, "a:p:s:e:")) != -1)
153	#endif
154	#endif /* OPEN_DIRECTORY */
155	switch (ch) {
156	case 'a':
157	op = LOADENTRY;
158	arg = optarg;
159	break;
160	case 's':
161	op = NEWSH;
162	arg = optarg;
163	break;
164	#ifndef OPEN_DIRECTORY
165	case 'p':
166	op = NEWPW;
167	arg = optarg;
168	break;
169	case 'e':
170	op = NEWEXP;
171	arg = optarg;
172	break;
173	#ifdef YP
174	case 'd':
175	yp_domain = optarg;
176	break;
177	case 'h':
178	yp_host = optarg;
179	break;
180	case 'l':
181	case 'o':
182	case 'y':
183	/* compatibility */
184	break;
185	#endif
186	#else /* OPEN_DIRECTORY */
187	case 'l':
188	location = CFStringCreateWithCString(NULL, optarg, kCFStringEncodingUTF8);
189	break;
190	case 'u':
191	authname = CFStringCreateWithCString(NULL, optarg, kCFStringEncodingUTF8);
192	break;
193	#endif
194	case '?':
195	default:
196	usage();
197	}
198
199	argc -= optind;
200	argv += optind;
201
202	if (argc > 1)
203	usage();
204
205	uid = getuid();
206
207	if (op == EDITENTRY \|\| op == NEWSH \|\| op == NEWPW \|\| op == NEWEXP) {
208	if (argc == 0) {
209	if ((pw = getpwuid(uid)) == NULL)
210	errx(1, "unknown user: uid %lu",
211	(unsigned long)uid);
212	} else {
213	if ((pw = getpwnam(*argv)) == NULL)
214	errx(1, "unknown user: %s", *argv);
215	#ifndef OPEN_DIRECTORY
216	if (uid != 0 && uid != pw->pw_uid)
217	baduser();
218	#endif
219	}
220
221	#ifndef OPEN_DIRECTORY
222	/* Make a copy for later verification */
223	if ((pw = pw_dup(pw)) == NULL \|\|
224	(old_pw = pw_dup(pw)) == NULL)
225	err(1, "pw_dup");
226	#endif
227	}
228
229	#if OPEN_DIRECTORY
230	master_mode = (uid == 0);
231
232	/*
233	* Find the user record and copy its details.
234	*/
235	username = CFStringCreateWithCString(NULL, pw->pw_name, kCFStringEncodingUTF8);
236
237	if (strcmp(progname, "chsh") == 0 \|\| op == NEWSH) {
238	cfprintf(stderr, "Changing shell for %@.\n", username);
239	} else if (strcmp(progname, "chfn") == 0) {
240	cfprintf(stderr, "Changing finger information for %@.\n", username);
241	} else if (strcmp(progname, "chpass") == 0) {
242	cfprintf(stderr, "Changing account information for %@.\n", username);
243	}
244
245	/*
246	* odGetUser updates DSPath global variable, performs authentication
247	* if necessary, and extracts the attributes.
248	*/
249	CFDictionaryRef attrs_orig = NULL;
250	CFDictionaryRef attrs = NULL;
251	ODRecordRef rec = odGetUser(location, authname, username, &attrs_orig);
252
253	if (!rec \|\| !attrs_orig) exit(1);
254	#endif /* OPEN_DIRECTORY */
255
256	#ifdef YP
257	if (pw != NULL && (pw->pw_fields & _PWF_SOURCE) == _PWF_NIS) {
258	ypclnt = ypclnt_new(yp_domain, "passwd.byname", yp_host);
259	master_mode = (ypclnt != NULL &&
260	ypclnt_connect(ypclnt) != -1 &&
261	ypclnt_havepasswdd(ypclnt) == 1);
262	ypclnt_free(ypclnt);
263	} else
264	#endif
265	master_mode = (uid == 0);
266
267	if (op == NEWSH) {
268	/* protect p_shell -- it thinks NULL is /bin/sh */
269	if (!arg[0])
270	usage();
271	if (p_shell(arg, pw, (ENTRY *)NULL) == -1)
272	exit(1);
273	#ifdef OPEN_DIRECTORY
274	else {
275	ENTRY* ep;
276
277	setrestricted(attrs_orig);
278
279	for (ep = list; ep->prompt; ep++) {
280	if (strncasecmp(ep->prompt, "shell", ep->len) == 0) {
281	if (!ep->restricted) {
282	CFStringRef shell = CFStringCreateWithCString(NULL, arg, kCFStringEncodingUTF8);
283	if (shell) {
284	attrs = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
285	if (attrs) CFDictionarySetValue((CFMutableDictionaryRef)attrs, kODAttributeTypeUserShell, shell);
286	CFRelease(shell);
287	}
288	} else {
289	warnx("shell is restricted");
290	exit(1);
291	}
292	}
293	}
294	}
295	#endif
296	}
297
298	#ifndef OPEN_DIRECTORY
299	if (op == NEWEXP) {
300	if (uid) /* only root can change expire */
301	baduser();
302	if (p_expire(arg, pw, (ENTRY *)NULL) == -1)
303	exit(1);
304	}
305	#endif
306
307	if (op == LOADENTRY) {
308	if (uid)
309	baduser();
310	#ifdef OPEN_DIRECTORY
311	warnx("-a is not supported for Open Directory.");
312	exit(1);
313	#else
314	pw = &lpw;
315	old_pw = NULL;
316	if (!__pw_scan(arg, pw, _PWSCAN_WARN\|_PWSCAN_MASTER))
317	exit(1);
318	#endif /* OPEN_DIRECTORY */
319	}
320
321	#ifndef OPEN_DIRECTORY
322	if (op == NEWPW) {
323	if (uid)
324	baduser();
325
326	if (strchr(arg, ':'))
327	errx(1, "invalid format for password");
328	pw->pw_passwd = arg;
329	}
330	#endif /* OPEN_DIRECTORY */
331
332	if (op == EDITENTRY) {
333	#ifdef OPEN_DIRECTORY
334	setrestricted(attrs_orig);
335	tmpdir = getenv("TMPDIR");
336	if (!tmpdir)
337	tmpdir = P_tmpdir; // defined in the system headers, defaults to /tmp
338	snprintf(tfn, sizeof(tfn), "%s/%s.XXXXXX", tmpdir, progname);
339	if ((tfd = mkstemp(tfn)) == -1)
340	err(1, "%s", tfn);
341	attrs = (CFMutableDictionaryRef)edit(tfn, attrs_orig);
342	(void)unlink(tfn);
343	#else
344	/*
345	* We don't really need pw_*() here, but pw_edit() (used
346	* by edit()) is just too useful...
347	*/
348	if (pw_init(NULL, NULL))
349	err(1, "pw_init()");
350	if ((tfd = pw_tmp(-1)) == -1) {
351	pw_fini();
352	err(1, "pw_tmp()");
353	}
354	free(pw);
355	pw = edit(pw_tempname(), old_pw);
356	pw_fini();
357	if (pw == NULL)
358	err(1, "edit()");
359	/*
360	* pw_equal does not check for crypted passwords, so we
361	* should do it explicitly
362	*/
363	if (pw_equal(old_pw, pw) &&
364	strcmp(old_pw->pw_passwd, pw->pw_passwd) == 0)
365	errx(0, "user information unchanged");
366	#endif /* OPEN_DIRECTORY */
367	}
368
369	#ifndef OPEN_DIRECTORY
370	if (old_pw && !master_mode) {
371	password = getpass("Password: ");
372	if (strcmp(crypt(password, old_pw->pw_passwd),
373	old_pw->pw_passwd) != 0)
374	baduser();
375	} else {
376	password = "";
377	}
378	#endif
379
380	#ifdef OPEN_DIRECTORY
381	odUpdateUser(rec, attrs_orig, attrs);
382
383	if (rec) CFRelease(rec);
384
385	exit(0);
386	return 0;
387	#else /* OPEN_DIRECTORY */
388	exit(0);
389	if (old_pw != NULL)
390	pw->pw_fields \|= (old_pw->pw_fields & _PWF_SOURCE);
391	switch (pw->pw_fields & _PWF_SOURCE) {
392	#ifdef YP
393	case _PWF_NIS:
394	ypclnt = ypclnt_new(yp_domain, "passwd.byname", yp_host);
395	if (ypclnt == NULL \|\|
396	ypclnt_connect(ypclnt) == -1 \|\|
397	ypclnt_passwd(ypclnt, pw, password) == -1) {
398	warnx("%s", ypclnt->error);
399	ypclnt_free(ypclnt);
400	exit(1);
401	}
402	ypclnt_free(ypclnt);
403	errx(0, "NIS user information updated");
404	#endif /* YP */
405	case 0:
406	case _PWF_FILES:
407	if (pw_init(NULL, NULL))
408	err(1, "pw_init()");
409	if ((pfd = pw_lock()) == -1) {
410	pw_fini();
411	err(1, "pw_lock()");
412	}
413	if ((tfd = pw_tmp(-1)) == -1) {
414	pw_fini();
415	err(1, "pw_tmp()");
416	}
417	if (pw_copy(pfd, tfd, pw, old_pw) == -1) {
418	pw_fini();
419	err(1, "pw_copy");
420	}
421	if (pw_mkdb(pw->pw_name) == -1) {
422	pw_fini();
423	err(1, "pw_mkdb()");
424	}
425	pw_fini();
426	errx(0, "user information updated");
427	break;
428	default:
429	errx(1, "unsupported passwd source");
430	}
431	#endif /* OPEN_DIRECTORY */
432	}
433
434	static void
435	baduser(void)
436	{
437
438	errx(1, "%s", strerror(EACCES));
439	}
440
441	static void
442	usage(void)
443	{
444
445	(void)fprintf(stderr,
446	"usage: chpass%s %s [user]\n",
447	#ifdef OPEN_DIRECTORY
448	"",
449	"[-l location] [-u authname] [-s shell]");
450	#else /* OPEN_DIRECTORY */
451	#ifdef YP
452	" [-d domain] [-h host]",
453	#else
454	"",
455	#endif
456	"[-a list] [-p encpass] [-s shell] [-e mmm dd yy]");
457	#endif /* OPEN_DIRECTORY */
458	exit(1);
459	}