Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	libexec/ftpd/logutmp.c	Lines:	0	33	0.0 %
Date:	2017-11-13	Branches:	0	22	0.0 %


/*	$OpenBSD: logutmp.c,v 1.13 2016/08/14 22:57:31 guenther Exp $	*/
/*
 * Portions Copyright (c) 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 * Portions Copyright (c) 1996, Jason Downs.  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/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>

#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <utmp.h>
#include <stdio.h>
#include <string.h>
#include <ttyent.h>

#include "monitor.h"
#include "extern.h"

static int fd = -1;
static int topslot = -1;

/*
 * Special versions of login()/logout() which hold the utmp file open,
 * for use with ftpd.
 */

void
ftpd_login(struct utmp *ut)
{
	struct utmp ubuf;

	/*
	 * First, loop through /etc/ttys, if needed, to initialize the
	 * top of the tty slots, since ftpd has no tty.
	 */
	if (topslot < 0) {
		topslot = 0;
		while (getttyent() != (struct ttyent *)NULL)
			topslot++;
	}
	if ((topslot < 0) || ((fd < 0) &&
	    (fd = open(_PATH_UTMP, O_RDWR|O_CREAT, 0644)) < 0))
		return;

	/*
	 * Now find a slot that's not in use...
	 */
	(void)lseek(fd, (off_t)topslot * sizeof(struct utmp), SEEK_SET);

	while (1) {
		if (read(fd, &ubuf, sizeof(struct utmp)) ==
		    sizeof(struct utmp)) {
			if (!ubuf.ut_name[0]) {
				(void)lseek(fd, -(off_t)sizeof(struct utmp),
				    SEEK_CUR);
				break;
			}
			topslot++;
		} else {
			(void)lseek(fd, (off_t)topslot * sizeof(struct utmp),
			    SEEK_SET);
			break;
		}
	}

	(void)write(fd, ut, sizeof(struct utmp));
}

int
ftpd_logout(char *line)
{
	struct timeval tv;
	struct utmp ut;
	int rval;

	rval = 0;
	if (fd < 0)
		return(rval);

	(void)lseek(fd, 0, SEEK_SET);

	while (read(fd, &ut, sizeof(struct utmp)) == sizeof(struct utmp)) {
		if (!ut.ut_name[0] ||
		    strncmp(ut.ut_line, line, UT_LINESIZE))
			continue;
		bzero(ut.ut_name, UT_NAMESIZE);
		bzero(ut.ut_host, UT_HOSTSIZE);
		gettimeofday(&tv, NULL);
		ut.ut_time = tv.tv_sec;
		(void)lseek(fd, -(off_t)sizeof(struct utmp), SEEK_CUR);
		(void)write(fd, &ut, sizeof(struct utmp));
		rval = 1;
	}
	return(rval);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: logutmp.c,v 1.13 2016/08/14 22:57:31 guenther Exp $ */
2			/*
3			* Portions Copyright (c) 1988, 1993
4			* The Regents of the University of California. All rights reserved.
5			* Portions Copyright (c) 1996, Jason Downs. 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/types.h>
33			#include <sys/time.h>
34			#include <sys/socket.h>
35			#include <netinet/in.h>
36			#include <netinet/ip.h>
37			#include <netinet/tcp.h>
38
39			#include <fcntl.h>
40			#include <unistd.h>
41			#include <stdlib.h>
42			#include <utmp.h>
43			#include <stdio.h>
44			#include <string.h>
45			#include <ttyent.h>
46
47			#include "monitor.h"
48			#include "extern.h"
49
50			static int fd = -1;
51			static int topslot = -1;
52
53			/*
54			* Special versions of login()/logout() which hold the utmp file open,
55			* for use with ftpd.
56			*/
57
58			void
59			ftpd_login(struct utmp *ut)
60			{
61			struct utmp ubuf;
62
63			/*
64			* First, loop through /etc/ttys, if needed, to initialize the
65			* top of the tty slots, since ftpd has no tty.
66			*/
67			if (topslot < 0) {
68			topslot = 0;
69			while (getttyent() != (struct ttyent *)NULL)
70			topslot++;
71			}
72			if ((topslot < 0) \|\| ((fd < 0) &&
73			(fd = open(_PATH_UTMP, O_RDWR\|O_CREAT, 0644)) < 0))
74			return;
75
76			/*
77			* Now find a slot that's not in use...
78			*/
79			(void)lseek(fd, (off_t)topslot * sizeof(struct utmp), SEEK_SET);
80
81			while (1) {
82			if (read(fd, &ubuf, sizeof(struct utmp)) ==
83			sizeof(struct utmp)) {
84			if (!ubuf.ut_name[0]) {
85			(void)lseek(fd, -(off_t)sizeof(struct utmp),
86			SEEK_CUR);
87			break;
88			}
89			topslot++;
90			} else {
91			(void)lseek(fd, (off_t)topslot * sizeof(struct utmp),
92			SEEK_SET);
93			break;
94			}
95			}
96
97			(void)write(fd, ut, sizeof(struct utmp));
98			}
99
100			int
101			ftpd_logout(char *line)
102			{
103			struct timeval tv;
104			struct utmp ut;
105			int rval;
106
107			rval = 0;
108			if (fd < 0)
109			return(rval);
110
111			(void)lseek(fd, 0, SEEK_SET);
112
113			while (read(fd, &ut, sizeof(struct utmp)) == sizeof(struct utmp)) {
114			if (!ut.ut_name[0] \|\|
115			strncmp(ut.ut_line, line, UT_LINESIZE))
116			continue;
117			bzero(ut.ut_name, UT_NAMESIZE);
118			bzero(ut.ut_host, UT_HOSTSIZE);
119			gettimeofday(&tv, NULL);
120			ut.ut_time = tv.tv_sec;
121			(void)lseek(fd, -(off_t)sizeof(struct utmp), SEEK_CUR);
122			(void)write(fd, &ut, sizeof(struct utmp));
123			rval = 1;
124			}
125			return(rval);
126			}