[unix-history] / usr.sbin / pwd_mkdb / pwd_mkdb.c

/*-
 * Copyright (c) 1991 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
char copyright[] =
"@(#) Copyright (c) 1991 The Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)pwd_mkdb.c	5.5 (Berkeley) 5/6/91";
#endif /* not lint */

#include <sys/param.h>
#include <sys/stat.h>
#include <signal.h>
#include <fcntl.h>
#include <db.h>
#include <pwd.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define	INSECURE	1
#define	SECURE		2
#define	PERM_INSECURE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)
#define	PERM_SECURE	(S_IRUSR|S_IWUSR)

char *progname = "pwd_mkdb";

static enum state { FILE_INSECURE, FILE_SECURE, FILE_ORIG } clean;
static struct passwd pwd;			/* password structure */
static char *pname;				/* password file name */
static char prefix[MAXPATHLEN];

main(argc, argv)
	int argc;
	char **argv;
{
	extern int optind;
	register int len, makeold;
	register char *p, *t;
	FILE *fp, *oldfp;
	DB *dp, *edp;
	sigset_t set;
	DBT data, key;
	int ch, cnt, tfd;
	char buf[MAX(MAXPATHLEN, LINE_MAX * 2)], tbuf[1024];
	char buf2[MAXPATHLEN];

	strcpy(prefix, _PATH_PWD);
	makeold = 0;
	while ((ch = getopt(argc, argv, "d:pv")) != EOF)
		switch(ch) {
		case 'd':
			strcpy(prefix, optarg);
			break;
		case 'p':			/* create V7 "file.orig" */
			makeold = 1;
			break;
		case 'v':                       /* backward compatible */
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc != 1)
		usage();

	/*
	 * This could be done to allow the user to interrupt.  Probably
	 * not worth the effort.
	 */
	sigemptyset(&set);
	sigaddset(&set, SIGTSTP);
	sigaddset(&set, SIGHUP);
	sigaddset(&set, SIGINT);
	sigaddset(&set, SIGQUIT);
	sigaddset(&set, SIGTERM);
	(void)sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL);

	pname = *argv;
	/* Open the original password file */
	if (!(fp = fopen(pname, "r")))
		error(pname);

	/* Open the temporary insecure password database. */
	(void)sprintf(buf, "%s/%s.tmp", prefix, _MP_DB);
	dp = dbopen(buf, O_RDWR|O_CREAT|O_EXCL, PERM_INSECURE, DB_HASH, NULL);
	if (!dp)
		error(buf);
	clean = FILE_INSECURE;

	/* Open the temporary encrypted password database. */
	(void)sprintf(buf, "%s/%s.tmp", prefix, _SMP_DB);
	edp = dbopen(buf, O_RDWR|O_CREAT|O_EXCL, PERM_SECURE, DB_HASH, NULL);
	if (!edp)
		error(buf);
	clean = FILE_SECURE;

	/*
	 * Open file for old password file.  Minor trickiness -- don't want to
	 * chance the file already existing, since someone (stupidly) might
	 * still be using this for permission checking.  So, open it first and
	 * fdopen the resulting fd.  Don't really care who reads it.
	 */
	if (makeold) {
		(void)sprintf(buf, "%s.orig", pname);
		if ((tfd = open(buf,
		    O_WRONLY|O_CREAT|O_EXCL, PERM_INSECURE)) < 0)
			error(buf);
		if (!(oldfp = fdopen(tfd, "w")))
			error(buf);
		clean = FILE_ORIG;
	}

	/*
	 * The databases actually contain three copies of the original data.
	 * Each password file entry is converted into a rough approximation
	 * of a ``struct passwd'', with the strings placed inline.  This
	 * object is then stored as the data for three separate keys.  The
	 * first key * is the pw_name field prepended by the _PW_KEYBYNAME
	 * character.  The second key is the pw_uid field prepended by the
	 * _PW_KEYBYUID character.  The third key is the line number in the
	 * original file prepended by the _PW_KEYBYNUM character.  (The special
	 * characters are prepended to ensure that the keys do not collide.)
	 */
	data.data = (u_char *)buf;
	key.data = (u_char *)tbuf;
	for (cnt = 1; scan(fp, &pwd); ++cnt) {
#define	COMPACT(e)	t = e; while (*p++ = *t++);
		/* Create insecure data. */
		p = buf;
		COMPACT(pwd.pw_name);
		COMPACT("*");
		bcopy((char *)&pwd.pw_uid, p, sizeof(int));
		p += sizeof(int);
		bcopy((char *)&pwd.pw_gid, p, sizeof(int));
		p += sizeof(int);
		bcopy((char *)&pwd.pw_change, p, sizeof(time_t));
		p += sizeof(time_t);
		COMPACT(pwd.pw_class);
		COMPACT(pwd.pw_gecos);
		COMPACT(pwd.pw_dir);
		COMPACT(pwd.pw_shell);
		bcopy((char *)&pwd.pw_expire, p, sizeof(time_t));
		p += sizeof(time_t);
		data.size = p - buf;

		/* Store insecure by name. */
		tbuf[0] = _PW_KEYBYNAME;
		len = strlen(pwd.pw_name);
		bcopy(pwd.pw_name, tbuf + 1, len);
		key.size = len + 1;
		if ((dp->put)(dp, &key, &data, R_NOOVERWRITE) == -1)
			error("put");

		/* Store insecure by number. */
		tbuf[0] = _PW_KEYBYNUM;
		bcopy((char *)&cnt, tbuf + 1, sizeof(cnt));
		key.size = sizeof(cnt) + 1;
		if ((dp->put)(dp, &key, &data, R_NOOVERWRITE) == -1)
			error("put");

		/* Store insecure by uid. */
		tbuf[0] = _PW_KEYBYUID;
		bcopy((char *)&pwd.pw_uid, tbuf + 1, sizeof(pwd.pw_uid));
		key.size = sizeof(pwd.pw_uid) + 1;
		if ((dp->put)(dp, &key, &data, R_NOOVERWRITE) == -1)
			error("put");

		/* Create secure data. */
		p = buf;
		COMPACT(pwd.pw_name);
		COMPACT(pwd.pw_passwd);
		bcopy((char *)&pwd.pw_uid, p, sizeof(int));
		p += sizeof(int);
		bcopy((char *)&pwd.pw_gid, p, sizeof(int));
		p += sizeof(int);
		bcopy((char *)&pwd.pw_change, p, sizeof(time_t));
		p += sizeof(time_t);
		COMPACT(pwd.pw_class);
		COMPACT(pwd.pw_gecos);
		COMPACT(pwd.pw_dir);
		COMPACT(pwd.pw_shell);
		bcopy((char *)&pwd.pw_expire, p, sizeof(time_t));
		p += sizeof(time_t);
		data.size = p - buf;

		/* Store secure by name. */
		tbuf[0] = _PW_KEYBYNAME;
		len = strlen(pwd.pw_name);
		bcopy(pwd.pw_name, tbuf + 1, len);
		key.size = len + 1;
		if ((dp->put)(edp, &key, &data, R_NOOVERWRITE) == -1)
			error("put");

		/* Store secure by number. */
		tbuf[0] = _PW_KEYBYNUM;
		bcopy((char *)&cnt, tbuf + 1, sizeof(cnt));
		key.size = sizeof(cnt) + 1;
		if ((dp->put)(edp, &key, &data, R_NOOVERWRITE) == -1)
			error("put");

		/* Store secure by uid. */
		tbuf[0] = _PW_KEYBYUID;
		bcopy((char *)&pwd.pw_uid, tbuf + 1, sizeof(pwd.pw_uid));
		key.size = sizeof(pwd.pw_uid) + 1;
		if ((dp->put)(edp, &key, &data, R_NOOVERWRITE) == -1)
			error("put");

		/* Create original format password file entry */
		if (makeold)
			(void)fprintf(oldfp, "%s:*:%d:%d:%s:%s:%s\n",
			    pwd.pw_name, pwd.pw_uid, pwd.pw_gid, pwd.pw_gecos,
			    pwd.pw_dir, pwd.pw_shell);
	}
	(void)(dp->close)(dp);
	(void)(edp->close)(edp);
	if (makeold) {
		(void)fsync(oldfp);
		(void)fclose(oldfp);
	}

	/* Set master.passwd permissions, in case caller forgot. */
	(void)fchmod(fileno(fp), S_IRUSR|S_IWUSR);
	(void)fclose(fp);

	/* Install as the real password files. */
	(void)sprintf(buf, "%s/%s.tmp", prefix, _MP_DB);
	(void)sprintf(buf2, "%s/%s", prefix, _MP_DB);
	mv(buf, buf2);
	(void)sprintf(buf, "%s/%s.tmp", prefix, _SMP_DB);
	(void)sprintf(buf2, "%s/%s", prefix, _SMP_DB);
	mv(buf, buf2);
	if (makeold) {
		(void)sprintf(buf2, "%s/%s", prefix, _PASSWD);
		(void)sprintf(buf, "%s.orig", pname);
		mv(buf, buf2); 
	}
	/*
	 * Move the master password LAST -- chpass(1), passwd(1) and vipw(8)
	 * all use flock(2) on it to block other incarnations of themselves.
	 * The rename means that everything is unlocked, as the original file
	 * can no longer be accessed.
	 */
	(void)sprintf(buf, "%s/%s", prefix, _MASTERPASSWD);
	mv(pname, buf); 
	exit(0);
}

scan(fp, pw)
	FILE *fp;
	struct passwd *pw;
{
	static int lcnt;
	static char line[LINE_MAX];
	char *p;

	if (!fgets(line, sizeof(line), fp))
		return(0);
	++lcnt;
	/*
	 * ``... if I swallow anything evil, put your fingers down my
	 * throat...''
	 *	-- The Who
	 */
	if (!(p = index(line, '\n'))) {
		(void)fprintf(stderr, "pwd_mkdb: line too long\n");
		goto fmt;

	}
	*p = '\0';
	if (!pw_scan(line, pw)) {
		(void)fprintf(stderr, "pwd_mkdb: at line #%d.\n", lcnt);
fmt:		errno = EFTYPE;
		error(pname);
		exit(1);
	}
}

mv(from, to)
	char *from, *to;
{
	int sverrno;
	char buf[MAXPATHLEN];

	if (rename(from, to)) {
		sverrno = errno;
		(void)sprintf(buf, "%s to %s", from, to);
		errno = sverrno;
		error(buf);
	}
}

error(name)
	char *name;
{
	(void)fprintf(stderr, "pwd_mkdb: %s: %s\n", name, strerror(errno));
	cleanup();
	exit(1);
}

cleanup()
{
	char buf[MAXPATHLEN];

	switch(clean) {
	case FILE_ORIG:
		(void)sprintf(buf, "%s.orig", pname);
		(void)unlink(buf);
		/* FALLTHROUGH */
	case FILE_SECURE:
		(void)sprintf(buf, "%s/%s.tmp", prefix, _SMP_DB);
		(void)unlink(buf);
		/* FALLTHROUGH */
	case FILE_INSECURE:
		(void)sprintf(buf, "%s/%s.tmp", prefix, _MP_DB);
		(void)unlink(buf);
	}
}

usage()
{
	(void)fprintf(stderr, "usage: pwd_mkdb [-p] [-d <dest dir>] file\n");
	exit(1);
}
Commit	Line	Data
15637ed4 RG	1	/*-
	2	* Copyright (c) 1991 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	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.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*/
	33
	34	#ifndef lint
	35	char copyright[] =
	36	"@(#) Copyright (c) 1991 The Regents of the University of California.\n\
	37	All rights reserved.\n";
	38	#endif /* not lint */
	39
	40	#ifndef lint
	41	static char sccsid[] = "@(#)pwd_mkdb.c 5.5 (Berkeley) 5/6/91";
	42	#endif /* not lint */
	43
	44	#include <sys/param.h>
	45	#include <sys/stat.h>
	46	#include <signal.h>
	47	#include <fcntl.h>
	48	#include <db.h>
	49	#include <pwd.h>
	50	#include <errno.h>
	51	#include <limits.h>
	52	#include <stdio.h>
	53	#include <string.h>
0e7b8dd7	54	#include <stdlib.h>
15637ed4 RG	55
	56	#define INSECURE 1
	57	#define SECURE 2
	58	#define PERM_INSECURE (S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IROTH)
	59	#define PERM_SECURE (S_IRUSR\|S_IWUSR)
	60
	61	char *progname = "pwd_mkdb";
	62
	63	static enum state { FILE_INSECURE, FILE_SECURE, FILE_ORIG } clean;
	64	static struct passwd pwd; /* password structure */
	65	static char pname; / password file name */
0e7b8dd7	66	static char prefix[MAXPATHLEN];
15637ed4 RG	67
	68	main(argc, argv)
	69	int argc;
	70	char **argv;
	71	{
	72	extern int optind;
	73	register int len, makeold;
	74	register char p, t;
	75	FILE fp, oldfp;
	76	DB dp, edp;
	77	sigset_t set;
	78	DBT data, key;
	79	int ch, cnt, tfd;
	80	char buf[MAX(MAXPATHLEN, LINE_MAX * 2)], tbuf[1024];
0e7b8dd7	81	char buf2[MAXPATHLEN];
15637ed4	82
0e7b8dd7	83	strcpy(prefix, _PATH_PWD);
15637ed4	84	makeold = 0;
0e7b8dd7	85	while ((ch = getopt(argc, argv, "d:pv")) != EOF)
15637ed4	86	switch(ch) {
0e7b8dd7 SW	87	case 'd':
	88	strcpy(prefix, optarg);
	89	break;
15637ed4 RG	90	case 'p': /* create V7 "file.orig" */
	91	makeold = 1;
	92	break;
0e7b8dd7	93	case 'v': /* backward compatible */
15637ed4 RG	94	break;
	95	case '?':
	96	default:
	97	usage();
	98	}
	99	argc -= optind;
	100	argv += optind;
	101
	102	if (argc != 1)
	103	usage();
	104
	105	/*
	106	* This could be done to allow the user to interrupt. Probably
	107	* not worth the effort.
	108	*/
	109	sigemptyset(&set);
	110	sigaddset(&set, SIGTSTP);
	111	sigaddset(&set, SIGHUP);
	112	sigaddset(&set, SIGINT);
	113	sigaddset(&set, SIGQUIT);
	114	sigaddset(&set, SIGTERM);
	115	(void)sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL);
	116
	117	pname = *argv;
	118	/* Open the original password file */
	119	if (!(fp = fopen(pname, "r")))
	120	error(pname);
	121
	122	/* Open the temporary insecure password database. */
0e7b8dd7	123	(void)sprintf(buf, "%s/%s.tmp", prefix, _MP_DB);
28e48405	124	dp = dbopen(buf, O_RDWR\|O_CREAT\|O_EXCL, PERM_INSECURE, DB_HASH, NULL);
15637ed4 RG	125	if (!dp)
	126	error(buf);
	127	clean = FILE_INSECURE;
	128
	129	/* Open the temporary encrypted password database. */
0e7b8dd7	130	(void)sprintf(buf, "%s/%s.tmp", prefix, _SMP_DB);
28e48405	131	edp = dbopen(buf, O_RDWR\|O_CREAT\|O_EXCL, PERM_SECURE, DB_HASH, NULL);
15637ed4 RG	132	if (!edp)
	133	error(buf);
	134	clean = FILE_SECURE;
	135
	136	/*
	137	* Open file for old password file. Minor trickiness -- don't want to
	138	* chance the file already existing, since someone (stupidly) might
	139	* still be using this for permission checking. So, open it first and
	140	* fdopen the resulting fd. Don't really care who reads it.
	141	*/
	142	if (makeold) {
	143	(void)sprintf(buf, "%s.orig", pname);
	144	if ((tfd = open(buf,
	145	O_WRONLY\|O_CREAT\|O_EXCL, PERM_INSECURE)) < 0)
	146	error(buf);
	147	if (!(oldfp = fdopen(tfd, "w")))
	148	error(buf);
	149	clean = FILE_ORIG;
	150	}
	151
	152	/*
	153	* The databases actually contain three copies of the original data.
	154	* Each password file entry is converted into a rough approximation
	155	* of a ``struct passwd'', with the strings placed inline. This
	156	* object is then stored as the data for three separate keys. The
	157	* first key * is the pw_name field prepended by the _PW_KEYBYNAME
	158	* character. The second key is the pw_uid field prepended by the
	159	* _PW_KEYBYUID character. The third key is the line number in the
	160	* original file prepended by the _PW_KEYBYNUM character. (The special
	161	* characters are prepended to ensure that the keys do not collide.)
	162	*/
	163	data.data = (u_char *)buf;
	164	key.data = (u_char *)tbuf;
	165	for (cnt = 1; scan(fp, &pwd); ++cnt) {
	166	#define COMPACT(e) t = e; while (p++ = t++);
	167	/* Create insecure data. */
	168	p = buf;
	169	COMPACT(pwd.pw_name);
	170	COMPACT("*");
	171	bcopy((char *)&pwd.pw_uid, p, sizeof(int));
	172	p += sizeof(int);
	173	bcopy((char *)&pwd.pw_gid, p, sizeof(int));
	174	p += sizeof(int);
	175	bcopy((char *)&pwd.pw_change, p, sizeof(time_t));
	176	p += sizeof(time_t);
	177	COMPACT(pwd.pw_class);
	178	COMPACT(pwd.pw_gecos);
	179	COMPACT(pwd.pw_dir);
	180	COMPACT(pwd.pw_shell);
	181	bcopy((char *)&pwd.pw_expire, p, sizeof(time_t));
	182	p += sizeof(time_t);
	183	data.size = p - buf;
	184
	185	/* Store insecure by name. */
	186	tbuf[0] = _PW_KEYBYNAME;
	187	len = strlen(pwd.pw_name);
	188	bcopy(pwd.pw_name, tbuf + 1, len);
	189	key.size = len + 1;
	190	if ((dp->put)(dp, &key, &data, R_NOOVERWRITE) == -1)
	191	error("put");
	192
	193	/* Store insecure by number. */
	194	tbuf[0] = _PW_KEYBYNUM;
	195	bcopy((char *)&cnt, tbuf + 1, sizeof(cnt));
196	key.size = sizeof(cnt) + 1;
197	if ((dp->put)(dp, &key, &data, R_NOOVERWRITE) == -1)
198	error("put");
199
200	/* Store insecure by uid. */
201	tbuf[0] = _PW_KEYBYUID;
202	bcopy((char *)&pwd.pw_uid, tbuf + 1, sizeof(pwd.pw_uid));
203	key.size = sizeof(pwd.pw_uid) + 1;
204	if ((dp->put)(dp, &key, &data, R_NOOVERWRITE) == -1)
205	error("put");
206
207	/* Create secure data. */
208	p = buf;
209	COMPACT(pwd.pw_name);
210	COMPACT(pwd.pw_passwd);
211	bcopy((char *)&pwd.pw_uid, p, sizeof(int));
212	p += sizeof(int);
213	bcopy((char *)&pwd.pw_gid, p, sizeof(int));
214	p += sizeof(int);
215	bcopy((char *)&pwd.pw_change, p, sizeof(time_t));
216	p += sizeof(time_t);
217	COMPACT(pwd.pw_class);
218	COMPACT(pwd.pw_gecos);
219	COMPACT(pwd.pw_dir);
220	COMPACT(pwd.pw_shell);
221	bcopy((char *)&pwd.pw_expire, p, sizeof(time_t));
222	p += sizeof(time_t);
223	data.size = p - buf;
224
225	/* Store secure by name. */
226	tbuf[0] = _PW_KEYBYNAME;
227	len = strlen(pwd.pw_name);
228	bcopy(pwd.pw_name, tbuf + 1, len);
229	key.size = len + 1;
230	if ((dp->put)(edp, &key, &data, R_NOOVERWRITE) == -1)
231	error("put");
232
233	/* Store secure by number. */
234	tbuf[0] = _PW_KEYBYNUM;
235	bcopy((char *)&cnt, tbuf + 1, sizeof(cnt));
236	key.size = sizeof(cnt) + 1;
237	if ((dp->put)(edp, &key, &data, R_NOOVERWRITE) == -1)
238	error("put");
239
240	/* Store secure by uid. */
241	tbuf[0] = _PW_KEYBYUID;
242	bcopy((char *)&pwd.pw_uid, tbuf + 1, sizeof(pwd.pw_uid));
243	key.size = sizeof(pwd.pw_uid) + 1;
244	if ((dp->put)(edp, &key, &data, R_NOOVERWRITE) == -1)
245	error("put");
246
247	/* Create original format password file entry */
248	if (makeold)
249	(void)fprintf(oldfp, "%s:*:%d:%d:%s:%s:%s\n",
250	pwd.pw_name, pwd.pw_uid, pwd.pw_gid, pwd.pw_gecos,
251	pwd.pw_dir, pwd.pw_shell);
252	}
253	(void)(dp->close)(dp);
254	(void)(edp->close)(edp);
255	if (makeold) {
256	(void)fsync(oldfp);
257	(void)fclose(oldfp);
258	}
259
260	/* Set master.passwd permissions, in case caller forgot. */
261	(void)fchmod(fileno(fp), S_IRUSR\|S_IWUSR);
262	(void)fclose(fp);
263
264	/* Install as the real password files. */
0e7b8dd7 SW	265	(void)sprintf(buf, "%s/%s.tmp", prefix, _MP_DB);
	266	(void)sprintf(buf2, "%s/%s", prefix, _MP_DB);
	267	mv(buf, buf2);
	268	(void)sprintf(buf, "%s/%s.tmp", prefix, _SMP_DB);
	269	(void)sprintf(buf2, "%s/%s", prefix, _SMP_DB);
	270	mv(buf, buf2);
15637ed4	271	if (makeold) {
0e7b8dd7	272	(void)sprintf(buf2, "%s/%s", prefix, _PASSWD);
15637ed4	273	(void)sprintf(buf, "%s.orig", pname);
0e7b8dd7	274	mv(buf, buf2);
15637ed4 RG	275	}
	276	/*
	277	* Move the master password LAST -- chpass(1), passwd(1) and vipw(8)
	278	* all use flock(2) on it to block other incarnations of themselves.
	279	* The rename means that everything is unlocked, as the original file
	280	* can no longer be accessed.
	281	*/
0e7b8dd7 SW	282	(void)sprintf(buf, "%s/%s", prefix, _MASTERPASSWD);
0e7b8dd7 SW	283	mv(pname, buf);
15637ed4 RG	284	exit(0);
	285	}
	286
	287	scan(fp, pw)
	288	FILE *fp;
	289	struct passwd *pw;
	290	{
	291	static int lcnt;
	292	static char line[LINE_MAX];
	293	char *p;
	294
	295	if (!fgets(line, sizeof(line), fp))
	296	return(0);
	297	++lcnt;
	298	/*
	299	* ``... if I swallow anything evil, put your fingers down my
	300	* throat...''
	301	* -- The Who
	302	*/
	303	if (!(p = index(line, '\n'))) {
	304	(void)fprintf(stderr, "pwd_mkdb: line too long\n");
	305	goto fmt;
	306
	307	}
	308	*p = '\0';
	309	if (!pw_scan(line, pw)) {
	310	(void)fprintf(stderr, "pwd_mkdb: at line #%d.\n", lcnt);
	311	fmt: errno = EFTYPE;
	312	error(pname);
	313	exit(1);
	314	}
	315	}
	316
	317	mv(from, to)
	318	char from, to;
	319	{
	320	int sverrno;
	321	char buf[MAXPATHLEN];
	322
	323	if (rename(from, to)) {
	324	sverrno = errno;
	325	(void)sprintf(buf, "%s to %s", from, to);
	326	errno = sverrno;
	327	error(buf);
	328	}
	329	}
	330
	331	error(name)
	332	char *name;
	333	{
	334	(void)fprintf(stderr, "pwd_mkdb: %s: %s\n", name, strerror(errno));
	335	cleanup();
	336	exit(1);
	337	}
	338
	339	cleanup()
	340	{
	341	char buf[MAXPATHLEN];
	342
	343	switch(clean) {
	344	case FILE_ORIG:
	345	(void)sprintf(buf, "%s.orig", pname);
	346	(void)unlink(buf);
	347	/* FALLTHROUGH */
348	case FILE_SECURE:
0e7b8dd7	349	(void)sprintf(buf, "%s/%s.tmp", prefix, _SMP_DB);
15637ed4 RG	350	(void)unlink(buf);
	351	/* FALLTHROUGH */
	352	case FILE_INSECURE:
0e7b8dd7	353	(void)sprintf(buf, "%s/%s.tmp", prefix, _MP_DB);
15637ed4 RG	354	(void)unlink(buf);
	355	}
	356	}
	357
	358	usage()
	359	{
0e7b8dd7	360	(void)fprintf(stderr, "usage: pwd_mkdb [-p] [-d <dest dir>] file\n");
15637ed4 RG	361	exit(1);
15637ed4 RG	362	}