[projects/setup.git] / delpasswd.c

/*
 * $Id$
 * 
 * Copyright (c) 2001 Michal Moskal <malekith@pld-linux.org>.
 * Copyright (c) 2009 Jan Rękorajski <baggins@pld-linux.org>.
 * 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 Michal Moskal.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY MICHAL MOSKAL 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.
 *
 *
 * 
 * USAGE: delpasswd [-u|-g] name1 name2 ...
 *
 * Remove specified groups from /etc/{passwd,shadow,group}.
 * It is usable as part of setup package, during upgrade where some system
 * users/groups should be removed. UIDs/GIDs are *not* checked anyhow. 
 *
 * Written for PLD Linux (http://www.pld-linux.org/) setup package.
 *
 * Compilation against uClibc:
 * UCROOT=/usr/lib/bootdisk/usr
 * gcc -I$UCROOT/include -nostdlib -O2 delpasswd.c $UCROOT/lib/crt0.o \
 * 		$UCROOT/lib/libc.a -lgcc -o delpasswd
 * strip -R .comment -R .note delpasswd
 *
 */

#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>

#if 0
#define FILE1 "passwd"
#define FILE2 "shadow"
#define FILE3 "group"
#define FILE4 "gshadow"
#else
#define FILE1 "/etc/passwd"
#define FILE2 "/etc/shadow"
#define FILE3 "/etc/group"
#define FILE4 "/etc/gshadow"
#endif

/* #define OLD_LOCK */

#define LOCK_FILE "/etc/.pwd.lock"

/* maybe "-" or sth? */
#define BACKUP ".old"

/* #define SILENT */

void eputs(const char *msg)
{
	write(2, msg, strlen(msg));
}

void fatal(const char *msg)
{
	eputs(msg);
	eputs("\n");
	exit(1);
}

char *map_file(const char *name, int *sz)
{
	int fd;
	void *ptr;
	struct stat st;

	fd = open(name, O_RDONLY);
	if (fd == -1)
		return NULL;
	if (fstat(fd, &st) < 0)
		return NULL;
	*sz = st.st_size;
	ptr = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
	if (ptr == MAP_FAILED)
		return NULL;

	return ptr;
}

int exist(char *id, int id_len, int namesc, const char **names)
{
	int i;

	for (i = 0; i < namesc; i++) {
		if (strlen(names[i]) == id_len && memcmp(id, names[i], id_len) == 0)
			return 1;
	}

	return 0;
}

void itoa(char *buf, long i)
{
	char tmp[32];
	char *p;

	if (i < 0) {
		strcpy(buf, "-");
		buf++;
		i = -i;
	}
	if (i == 0) {
		strcpy(buf, "0"); 
		return;
	}
	for (p = tmp; i; i /= 10)
		*p++ = (i % 10) + '0';
	while (p > tmp)
		*buf++ = *--p;
	*buf = 0;
}

#ifndef OLD_LOCK
int lock_fd = -1;
void noop(int x)
{
	(void)x;
}
#endif

int try_lock(const char *name)
{
#ifdef OLD_LOCK
	char file[strlen(name) + 32], lock[strlen(name) + 32];
	char buf[32];
	int fd;
	long pid;

	strcpy(lock, name);
	strcpy(file, name);
	strcat(lock, ".lock");
	itoa(buf, (long)getpid());
	strcat(file, ".");
	strcat(file, buf);
	
	fd = open(file, O_WRONLY|O_CREAT|O_EXCL|O_TRUNC, 0600);
	if (fd < 0)
		return -1;
	write(fd, buf, strlen(buf));
	close(fd);

	if (link(file, lock) == 0) {
		unlink(file);
		return 0;
	}

	fd = open(lock, O_RDONLY);
	if (fd < 0)
		goto oops;
	memset(buf, 0, sizeof(buf));
	read(fd, buf, sizeof(buf));
	pid = atol(buf);
	if (pid == 0 || kill(pid, 0) != 0) {
		/* stale lock */
		unlink(file);
		unlink(lock);
		/* try again */
		return try_lock(name);
	}

oops:
	unlink(file);
	return -1;
#else
	struct flock fl;
	
	if (lock_fd != -1)
		return -1;
	lock_fd = open(LOCK_FILE, O_RDWR|O_CREAT, 0600);
	if (lock_fd == -1)
		return -1;
	signal(SIGALRM, noop);
	alarm(15);
	memset(&fl, 0, sizeof(fl));
	fl.l_type = F_WRLCK;
	fl.l_whence = SEEK_SET;
	if (fcntl(lock_fd, F_SETLKW, &fl) != 0) {
		alarm(0);
		close(lock_fd);
		lock_fd = -1;
		return -1;
	}
	alarm(0);
	
	return 0;
#endif
}

void unlock(const char *name)
{
#ifdef OLD_LOCK
	char lock[strlen(name) + 32];

	strcpy(lock, name);
	strcat(lock, ".lock");
	unlink(lock);
#else
	if (lock_fd != -1)
		close(lock_fd);
	lock_fd = -1;
#endif
}

void lock(const char *name)
{
	int n;

	n = 5;
	while (n--) {
		if (try_lock(name) == 0)
			return;
		eputs("waiting for lock...\n");
		sleep(1);
	}
	fatal("cannot get lock");
}

int verifyp(const char *old_name, int namesc, const char **names)
{
	char *old, *tmp, *id;
	int i, fd;
	int old_sz;

	// Fail silently if file does not exist
	if (access(old_name, F_OK) == -1)
		return -1;

	old = map_file(backup_name, &old_sz);
	if (old == NULL)
		fatal("cannot mmap old");
	
	for (i = 0; i < old_sz; ) {
		id = old + i;
		while (i < old_sz && old[i] != ':' && old[i] != '\n')
			i++;
		if (i < old_sz && old[i] == ':') {
			int id_len, line_len;

			id_len = i - (id - old);
			while (i < old_sz && old[i] != '\n')
				i++;
			if (i < old_sz)
				i++;
			line_len = i - (id - old);
			
			if (exist(id, id_len, namesc, names))
				return 1;
		} else if (i < old_sz)
			i++;
	}
	return 0;
}

int delp(const char *old_name, const char *backup_name,
		int namesc, const char **names)
{
	char *old, *tmp, *id;
	int i, fd;
	int old_sz;

	// Fail silently if file does not exist
	if (access(old_name, F_OK) == -1)
		return -1;

	lock(old_name);
	tmp = map_file(old_name, &old_sz);
	if (tmp == NULL)
		fatal("cannot mmap old for backup");
	
	fd = open(backup_name, O_WRONLY|O_CREAT|O_TRUNC, 0600);
	if (fd < 0)
		fatal("cannot make backup");
	write(fd, tmp, old_sz);
	close(fd);
	
	old = map_file(backup_name, &old_sz);
	if (old == NULL)
		fatal("cannot mmap old");
	
#ifndef SILENT
	eputs("removing from `");
	eputs(old_name);
	eputs("'\n");
#endif /* SILENT */

	fd = open(old_name, O_WRONLY|O_TRUNC);
	if (fd < 0)
		fatal("cannot open old file");
	
	for (i = 0; i < old_sz; ) {
		id = old + i;
		while (i < old_sz && old[i] != ':' && old[i] != '\n')
			i++;
		if (i < old_sz && old[i] == ':') {
			int id_len, line_len;

			id_len = i - (id - old);
			while (i < old_sz && old[i] != '\n')
				i++;
			if (i < old_sz)
				i++;
			line_len = i - (id - old);
			
			if (!exist(id, id_len, namesc, names)) {
				write(fd, id, line_len);
			}
#ifndef SILENT
			else {
				eputs(old_name);
				eputs(": removing `");
				write(2, id, id_len);
				eputs("'\n");
			}
#endif /* SILENT */
		} else if (i < old_sz)
			i++;
	}

	close(fd);
	unlock(old_name);

	return 0;
}

int main(int argc, const char **argv)
{
	int what = 0;

	if (argc < 3)
		fatal("Usage: delpasswd [-u|-g] name1 name2 ... nameN");

	if (strncmp(argv[1], "-u", 2) == 0)
		what = 1;
	else if (strncmp(argv[1], "-g", 2) == 0)
		what = 2;

	if (what == 0)
		fatal("Usage: delpasswd [-u|-g] name1 name2 ... nameN");
#if 1
	if (what == 1) {
		if (verifyp(FILE1, argc-2, argv+2))
			delp(FILE1, FILE1 BACKUP, argc-2, argv+2);
		if (verifyp(FILE2, argc-2, argv+2))
			delp(FILE2, FILE2 BACKUP, argc-2, argv+2);
	}
	if (what == 2) {
		if (verifyp(FILE3, argc-2, argv+2))
			delp(FILE3, FILE3 BACKUP, argc-2, argv+2);
		if (verifyp(FILE4, argc-2, argv+2))
			delp(FILE4, FILE4 BACKUP, argc-2, argv+2);
	}
#else
	delp("test", "test.old", argc-2, argv+2);
#endif
	return 0;
}
Commit	Line	Data
dc189fa5 JR	1	/*
	2	* $Id$
	3	*
	4	* Copyright (c) 2001 Michal Moskal <malekith@pld-linux.org>.
	5	* Copyright (c) 2009 Jan Rękorajski <baggins@pld-linux.org>.
	6	* All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	* 3. All advertising materials mentioning features or use of this software
	17	* must display the following acknowledgement:
	18	* This product includes software developed by Michal Moskal.
	19	* 4. Neither the name of the author nor the names of any co-contributors
	20	* may be used to endorse or promote products derived from this software
	21	* without specific prior written permission.
	22	*
	23	* THIS SOFTWARE IS PROVIDED BY MICHAL MOSKAL AND CONTRIBUTORS ``AS IS'' AND
	24	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	26	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	29	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	30	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	31	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	32	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	33	* SUCH DAMAGE.
	34	*
	35	*
	36	*
5fe9e87e	37	* USAGE: delpasswd [-u\|-g] name1 name2 ...
dc189fa5	38	*
5fe9e87e JR	39	* Remove specified groups from /etc/{passwd,shadow,group}.
	40	* It is usable as part of setup package, during upgrade where some system
	41	* users/groups should be removed. UIDs/GIDs are not checked anyhow.
dc189fa5 JR	42	*
	43	* Written for PLD Linux (http://www.pld-linux.org/) setup package.
	44	*
	45	* Compilation against uClibc:
	46	* UCROOT=/usr/lib/bootdisk/usr
5fe9e87e JR	47	* gcc -I$UCROOT/include -nostdlib -O2 delpasswd.c $UCROOT/lib/crt0.o \
	48	* $UCROOT/lib/libc.a -lgcc -o delpasswd
	49	* strip -R .comment -R .note delpasswd
dc189fa5	50	*
dc189fa5 JR	51	*/
	52
	53	#include <sys/types.h>
	54	#include <sys/mman.h>
	55	#include <sys/stat.h>
	56	#include <unistd.h>
	57	#include <fcntl.h>
	58	#include <stdlib.h>
dc189fa5 JR	59	#include <string.h>
	60	#include <signal.h>
	61
5fe9e87e JR	62	#if 0
	63	#define FILE1 "passwd"
	64	#define FILE2 "shadow"
	65	#define FILE3 "group"
	66	#define FILE4 "gshadow"
	67	#else
	68	#define FILE1 "/etc/passwd"
	69	#define FILE2 "/etc/shadow"
dc189fa5 JR	70	#define FILE3 "/etc/group"
dc189fa5 JR	71	#define FILE4 "/etc/gshadow"
5fe9e87e	72	#endif
dc189fa5 JR	73
	74	/* #define OLD_LOCK */
	75
	76	#define LOCK_FILE "/etc/.pwd.lock"
	77
	78	/* maybe "-" or sth? */
	79	#define BACKUP ".old"
	80
	81	/* #define SILENT */
	82
	83	void eputs(const char *msg)
	84	{
	85	write(2, msg, strlen(msg));
	86	}
	87
	88	void fatal(const char *msg)
	89	{
	90	eputs(msg);
	91	eputs("\n");
	92	exit(1);
	93	}
	94
5fe9e87e	95	char map_file(const char name, int *sz)
dc189fa5 JR	96	{
	97	int fd;
	98	void *ptr;
	99	struct stat st;
	100
	101	fd = open(name, O_RDONLY);
	102	if (fd == -1)
	103	return NULL;
5fe9e87e JR	104	if (fstat(fd, &st) < 0)
5fe9e87e JR	105	return NULL;
dc189fa5 JR	106	*sz = st.st_size;
	107	ptr = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
	108	if (ptr == MAP_FAILED)
	109	return NULL;
	110
	111	return ptr;
	112	}
	113
5fe9e87e	114	int exist(char id, int id_len, int namesc, const char *names)
dc189fa5 JR	115	{
	116	int i;
	117
5fe9e87e JR	118	for (i = 0; i < namesc; i++) {
5fe9e87e JR	119	if (strlen(names[i]) == id_len && memcmp(id, names[i], id_len) == 0)
dc189fa5	120	return 1;
dc189fa5 JR	121	}
	122
	123	return 0;
	124	}
	125
	126	void itoa(char *buf, long i)
	127	{
	128	char tmp[32];
	129	char *p;
	130
	131	if (i < 0) {
	132	strcpy(buf, "-");
	133	buf++;
	134	i = -i;
	135	}
	136	if (i == 0) {
	137	strcpy(buf, "0");
	138	return;
	139	}
	140	for (p = tmp; i; i /= 10)
	141	*p++ = (i % 10) + '0';
	142	while (p > tmp)
	143	buf++ = --p;
	144	*buf = 0;
	145	}
	146
	147	#ifndef OLD_LOCK
	148	int lock_fd = -1;
	149	void noop(int x)
	150	{
	151	(void)x;
	152	}
	153	#endif
	154
	155	int try_lock(const char *name)
	156	{
	157	#ifdef OLD_LOCK
	158	char file[strlen(name) + 32], lock[strlen(name) + 32];
	159	char buf[32];
	160	int fd;
	161	long pid;
	162
	163	strcpy(lock, name);
	164	strcpy(file, name);
	165	strcat(lock, ".lock");
	166	itoa(buf, (long)getpid());
	167	strcat(file, ".");
	168	strcat(file, buf);
	169
	170	fd = open(file, O_WRONLY\|O_CREAT\|O_EXCL\|O_TRUNC, 0600);
	171	if (fd < 0)
	172	return -1;
	173	write(fd, buf, strlen(buf));
	174	close(fd);
	175
	176	if (link(file, lock) == 0) {
	177	unlink(file);
	178	return 0;
	179	}
	180
	181	fd = open(lock, O_RDONLY);
	182	if (fd < 0)
	183	goto oops;
	184	memset(buf, 0, sizeof(buf));
185	read(fd, buf, sizeof(buf));
186	pid = atol(buf);
187	if (pid == 0 \|\| kill(pid, 0) != 0) {
188	/* stale lock */
189	unlink(file);
190	unlink(lock);
191	/* try again */
192	return try_lock(name);
193	}
194
195	oops:
196	unlink(file);
197	return -1;
198	#else
199	struct flock fl;
200
201	if (lock_fd != -1)
202	return -1;
203	lock_fd = open(LOCK_FILE, O_RDWR\|O_CREAT, 0600);
204	if (lock_fd == -1)
205	return -1;
206	signal(SIGALRM, noop);
207	alarm(15);
208	memset(&fl, 0, sizeof(fl));
209	fl.l_type = F_WRLCK;
210	fl.l_whence = SEEK_SET;
211	if (fcntl(lock_fd, F_SETLKW, &fl) != 0) {
212	alarm(0);
213	close(lock_fd);
214	lock_fd = -1;
215	return -1;
216	}
217	alarm(0);
218
219	return 0;
220	#endif
221	}
222
223	void unlock(const char *name)
224	{
225	#ifdef OLD_LOCK
226	char lock[strlen(name) + 32];
227
228	strcpy(lock, name);
229	strcat(lock, ".lock");
230	unlink(lock);
231	#else
232	if (lock_fd != -1)
233	close(lock_fd);
234	lock_fd = -1;
235	#endif
236	}
237
238	void lock(const char *name)
239	{
240	int n;
241
242	n = 5;
243	while (n--) {
244	if (try_lock(name) == 0)
245	return;
246	eputs("waiting for lock...\n");
247	sleep(1);
248	}
249	fatal("cannot get lock");
250	}
251
1370fb36 JR	252	int verifyp(const char old_name, int namesc, const char *names)
	253	{
	254	char old, tmp, *id;
	255	int i, fd;
	256	int old_sz;
	257
	258	// Fail silently if file does not exist
	259	if (access(old_name, F_OK) == -1)
	260	return -1;
	261
	262	old = map_file(backup_name, &old_sz);
	263	if (old == NULL)
	264	fatal("cannot mmap old");
	265
	266	for (i = 0; i < old_sz; ) {
	267	id = old + i;
	268	while (i < old_sz && old[i] != ':' && old[i] != '\n')
	269	i++;
	270	if (i < old_sz && old[i] == ':') {
	271	int id_len, line_len;
	272
	273	id_len = i - (id - old);
	274	while (i < old_sz && old[i] != '\n')
	275	i++;
	276	if (i < old_sz)
	277	i++;
	278	line_len = i - (id - old);
	279
	280	if (exist(id, id_len, namesc, names))
	281	return 1;
	282	} else if (i < old_sz)
	283	i++;
	284	}
	285	return 0;
	286	}
	287
5fe9e87e JR	288	int delp(const char old_name, const char backup_name,
5fe9e87e JR	289	int namesc, const char **names)
dc189fa5	290	{
5fe9e87e JR	291	char old, tmp, *id;
	292	int i, fd;
	293	int old_sz;
dc189fa5	294
5fe9e87e JR	295	// Fail silently if file does not exist
	296	if (access(old_name, F_OK) == -1)
	297	return -1;
dc189fa5	298
5fe9e87e JR	299	lock(old_name);
	300	tmp = map_file(old_name, &old_sz);
	301	if (tmp == NULL)
	302	fatal("cannot mmap old for backup");
	303
	304	fd = open(backup_name, O_WRONLY\|O_CREAT\|O_TRUNC, 0600);
dc189fa5 JR	305	if (fd < 0)
dc189fa5 JR	306	fatal("cannot make backup");
5fe9e87e	307	write(fd, tmp, old_sz);
dc189fa5	308	close(fd);
5fe9e87e JR	309
	310	old = map_file(backup_name, &old_sz);
	311	if (old == NULL)
	312	fatal("cannot mmap old");
	313
dc189fa5	314	#ifndef SILENT
5fe9e87e JR	315	eputs("removing from `");
5fe9e87e JR	316	eputs(old_name);
dc189fa5 JR	317	eputs("'\n");
	318	#endif /* SILENT */
	319
5fe9e87e	320	fd = open(old_name, O_WRONLY\|O_TRUNC);
dc189fa5	321	if (fd < 0)
5fe9e87e	322	fatal("cannot open old file");
dc189fa5	323
5fe9e87e	324	for (i = 0; i < old_sz; ) {
dc189fa5	325	id = old + i;
5fe9e87e	326	while (i < old_sz && old[i] != ':' && old[i] != '\n')
dc189fa5	327	i++;
5fe9e87e	328	if (i < old_sz && old[i] == ':') {
dc189fa5	329	int id_len, line_len;
dc189fa5 JR	330
dc189fa5 JR	331	id_len = i - (id - old);
5fe9e87e	332	while (i < old_sz && old[i] != '\n')
dc189fa5	333	i++;
5fe9e87e	334	if (i < old_sz)
dc189fa5	335	i++;
5fe9e87e JR	336	line_len = i - (id - old);
	337
	338	if (!exist(id, id_len, namesc, names)) {
	339	write(fd, id, line_len);
	340	}
dc189fa5	341	#ifndef SILENT
5fe9e87e JR	342	else {
	343	eputs(old_name);
	344	eputs(": removing `");
	345	write(2, id, id_len);
dc189fa5	346	eputs("'\n");
5fe9e87e	347	}
dc189fa5	348	#endif /* SILENT */
5fe9e87e	349	} else if (i < old_sz)
dc189fa5 JR	350	i++;
dc189fa5 JR	351	}
dc189fa5	352
5fe9e87e JR	353	close(fd);
5fe9e87e JR	354	unlock(old_name);
dc189fa5 JR	355
	356	return 0;
	357	}
	358
5fe9e87e	359	int main(int argc, const char **argv)
dc189fa5	360	{
5fe9e87e JR	361	int what = 0;
	362
	363	if (argc < 3)
	364	fatal("Usage: delpasswd [-u\|-g] name1 name2 ... nameN");
	365
	366	if (strncmp(argv[1], "-u", 2) == 0)
	367	what = 1;
	368	else if (strncmp(argv[1], "-g", 2) == 0)
	369	what = 2;
	370
	371	if (what == 0)
	372	fatal("Usage: delpasswd [-u\|-g] name1 name2 ... nameN");
	373	#if 1
	374	if (what == 1) {
1370fb36 JR	375	if (verifyp(FILE1, argc-2, argv+2))
	376	delp(FILE1, FILE1 BACKUP, argc-2, argv+2);
	377	if (verifyp(FILE2, argc-2, argv+2))
	378	delp(FILE2, FILE2 BACKUP, argc-2, argv+2);
5fe9e87e JR	379	}
5fe9e87e JR	380	if (what == 2) {
1370fb36 JR	381	if (verifyp(FILE3, argc-2, argv+2))
	382	delp(FILE3, FILE3 BACKUP, argc-2, argv+2);
	383	if (verifyp(FILE4, argc-2, argv+2))
	384	delp(FILE4, FILE4 BACKUP, argc-2, argv+2);
dc189fa5	385	}
dc189fa5	386	#else
5fe9e87e	387	delp("test", "test.old", argc-2, argv+2);
dc189fa5 JR	388	#endif
	389	return 0;
	390	}