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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/vipw/vipw.c	Lines:	0	44	0.0 %
Date:	2017-11-07	Branches:	0	32	0.0 %


/*	$OpenBSD: vipw.c,v 1.21 2017/07/12 23:10:28 jca Exp $	 */

/*
 * Copyright (c) 1987, 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. 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.
 */

#include <sys/time.h>
#include <sys/stat.h>

#include <err.h>
#include <fcntl.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <util.h>

void		copyfile(int, int, struct stat *);
__dead void	usage(void);

int
main(int argc, char *argv[])
{
	int pfd, tfd;
	struct stat begin, end;
	int ch;

	while ((ch = getopt(argc, argv, "")) != -1) {
		switch (ch) {
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (argc != 0)
		usage();

	if (pledge("stdio rpath wpath cpath fattr proc exec flock", NULL) == -1)
		err(1, "pledge");

	pw_init();
	tfd = pw_lock(0);
	if (tfd < 0)
		errx(1, "the passwd file is busy or you cannot lock.");
	pfd = open(_PATH_MASTERPASSWD, O_RDONLY, 0);
	if (pfd < 0)
		pw_error(_PATH_MASTERPASSWD, 1, 1);
	copyfile(pfd, tfd, &begin);
	(void)close(tfd);

	for (;;) {
		pw_edit(0, NULL);
		if (stat(_PATH_MASTERPASSWD_LOCK, &end))
			pw_error(_PATH_MASTERPASSWD_LOCK, 1, 1);
		if (timespeccmp(&begin.st_mtimespec, &end.st_mtimespec, ==) &&
		    begin.st_size == end.st_size) {
			warnx("no changes made");
			pw_error((char *)NULL, 0, 0);
		}
		if (pw_mkdb(NULL, 0) == 0)
			break;
		pw_prompt();
	}

	return 0;
}

void
copyfile(int from, int to, struct stat *sb)
{
	int nr, nw, off;
	char buf[8*1024];
	struct timespec ts[2];

	if (fstat(from, sb) == -1)
		pw_error(_PATH_MASTERPASSWD, 1, 1);
	while ((nr = read(from, buf, sizeof(buf))) > 0)
		for (off = 0; nr > 0; nr -= nw, off += nw)
			if ((nw = write(to, buf + off, nr)) < 0)
				pw_error(_PATH_MASTERPASSWD_LOCK, 1, 1);
	if (nr < 0)
		pw_error(_PATH_MASTERPASSWD, 1, 1);

	ts[0] = sb->st_atim;
	ts[1] = sb->st_mtim;
	(void)futimens(to, ts);
}

__dead void
usage(void)
{
	extern char *__progname;

	(void)fprintf(stderr, "usage: %s\n", __progname);
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: vipw.c,v 1.21 2017/07/12 23:10:28 jca Exp $ */
2
3			/*
4			* Copyright (c) 1987, 1993, 1994
5			* The Regents of the University of California. All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without
8			* modification, are permitted provided that the following conditions
9			* are met:
10			* 1. Redistributions of source code must retain the above copyright
11			* notice, this list of conditions and the following disclaimer.
12			* 2. Redistributions in binary form must reproduce the above copyright
13			* notice, this list of conditions and the following disclaimer in the
14			* documentation and/or other materials provided with the distribution.
15			* 3. Neither the name of the University nor the names of its contributors
16			* may be used to endorse or promote products derived from this software
17			* without specific prior written permission.
18			*
19			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29			* SUCH DAMAGE.
30			*/
31
32			#include <sys/time.h>
33			#include <sys/stat.h>
34
35			#include <err.h>
36			#include <fcntl.h>
37			#include <pwd.h>
38			#include <stdio.h>
39			#include <stdlib.h>
40			#include <unistd.h>
41			#include <util.h>
42
43			void copyfile(int, int, struct stat *);
44			__dead void usage(void);
45
46			int
47			main(int argc, char *argv[])
48			{
49			int pfd, tfd;
50			struct stat begin, end;
51			int ch;
52
53			while ((ch = getopt(argc, argv, "")) != -1) {
54			switch (ch) {
55			default:
56			usage();
57			}
58			}
59			argc -= optind;
60			argv += optind;
61
62			if (argc != 0)
63			usage();
64
65			if (pledge("stdio rpath wpath cpath fattr proc exec flock", NULL) == -1)
66			err(1, "pledge");
67
68			pw_init();
69			tfd = pw_lock(0);
70			if (tfd < 0)
71			errx(1, "the passwd file is busy or you cannot lock.");
72			pfd = open(_PATH_MASTERPASSWD, O_RDONLY, 0);
73			if (pfd < 0)
74			pw_error(_PATH_MASTERPASSWD, 1, 1);
75			copyfile(pfd, tfd, &begin);
76			(void)close(tfd);
77
78			for (;;) {
79			pw_edit(0, NULL);
80			if (stat(_PATH_MASTERPASSWD_LOCK, &end))
81			pw_error(_PATH_MASTERPASSWD_LOCK, 1, 1);
82			if (timespeccmp(&begin.st_mtimespec, &end.st_mtimespec, ==) &&
83			begin.st_size == end.st_size) {
84			warnx("no changes made");
85			pw_error((char *)NULL, 0, 0);
86			}
87			if (pw_mkdb(NULL, 0) == 0)
88			break;
89			pw_prompt();
90			}
91
92			return 0;
93			}
94
95			void
96			copyfile(int from, int to, struct stat *sb)
97			{
98			int nr, nw, off;
99			char buf[8*1024];
100			struct timespec ts[2];
101
102			if (fstat(from, sb) == -1)
103			pw_error(_PATH_MASTERPASSWD, 1, 1);
104			while ((nr = read(from, buf, sizeof(buf))) > 0)
105			for (off = 0; nr > 0; nr -= nw, off += nw)
106			if ((nw = write(to, buf + off, nr)) < 0)
107			pw_error(_PATH_MASTERPASSWD_LOCK, 1, 1);
108			if (nr < 0)
109			pw_error(_PATH_MASTERPASSWD, 1, 1);
110
111			ts[0] = sb->st_atim;
112			ts[1] = sb->st_mtim;
113			(void)futimens(to, ts);
114			}
115
116			__dead void
117			usage(void)
118			{
119			extern char *__progname;
120
121			(void)fprintf(stderr, "usage: %s\n", __progname);
122			exit(1);
123			}