Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/lpr/lpc/../common_source/startdaemon.c	Lines:	0	42	0.0 %
Date:	2017-11-13	Branches:	0	20	0.0 %


/*	$OpenBSD: startdaemon.c,v 1.17 2015/10/27 15:23:28 millert Exp $	*/
/*	$NetBSD: startdaemon.c,v 1.10 1998/07/18 05:04:39 lukem Exp $	*/

/*
 * Copyright (c) 1983, 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/socket.h>
#include <sys/un.h>

#include <dirent.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <limits.h>
#include <string.h>
#include <signal.h>

#include "lp.h"
#include "pathnames.h"

/*
 * Tell the printer daemon that there are new files in the spool directory.
 */
int
startdaemon(char *printer)
{
	struct sockaddr_un un;
	int s;
	size_t n;
	char buf[BUFSIZ];

	s = socket(AF_UNIX, SOCK_STREAM, 0);
	if (s < 0) {
		warn("socket");
		return(0);
	}
	memset(&un, 0, sizeof(un));
	un.sun_family = AF_UNIX;
	strlcpy(un.sun_path, _PATH_SOCKETNAME, sizeof(un.sun_path));
	siginterrupt(SIGINT, 1);
	PRIV_START;
	if (connect(s, (struct sockaddr *)&un, sizeof(un)) < 0) {
		int saved_errno = errno;
		if (errno == EINTR && gotintr) {
			PRIV_END;
			siginterrupt(SIGINT, 0);
			close(s);
			return(0);
		}
		PRIV_END;
		siginterrupt(SIGINT, 0);
		warnc(saved_errno, "connect");
		(void)close(s);
		return(0);
	}
	PRIV_END;
	siginterrupt(SIGINT, 0);
	if ((n = snprintf(buf, sizeof(buf), "\1%s\n", printer)) >= sizeof(buf) ||
	    n == -1) {
		close(s);
		return (0);
	}

	/* XXX atomicio inside siginterrupt? */
	if (write(s, buf, n) != n) {
		warn("write");
		(void)close(s);
		return(0);
	}
	if (read(s, buf, 1) == 1) {
		if (buf[0] == '\0') {		/* everything is OK */
			(void)close(s);
			return(1);
		}
		putchar(buf[0]);
	}
	while ((n = read(s, buf, sizeof(buf))) > 0)
		fwrite(buf, 1, n, stdout);
	(void)close(s);
	return(0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: startdaemon.c,v 1.17 2015/10/27 15:23:28 millert Exp $ */
2			/* $NetBSD: startdaemon.c,v 1.10 1998/07/18 05:04:39 lukem Exp $ */
3
4			/*
5			* Copyright (c) 1983, 1993, 1994
6			* The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			#include <sys/socket.h>
34			#include <sys/un.h>
35
36			#include <dirent.h>
37			#include <err.h>
38			#include <errno.h>
39			#include <stdio.h>
40			#include <unistd.h>
41			#include <limits.h>
42			#include <string.h>
43			#include <signal.h>
44
45			#include "lp.h"
46			#include "pathnames.h"
47
48			/*
49			* Tell the printer daemon that there are new files in the spool directory.
50			*/
51			int
52			startdaemon(char *printer)
53			{
54			struct sockaddr_un un;
55			int s;
56			size_t n;
57			char buf[BUFSIZ];
58
59			s = socket(AF_UNIX, SOCK_STREAM, 0);
60			if (s < 0) {
61			warn("socket");
62			return(0);
63			}
64			memset(&un, 0, sizeof(un));
65			un.sun_family = AF_UNIX;
66			strlcpy(un.sun_path, _PATH_SOCKETNAME, sizeof(un.sun_path));
67			siginterrupt(SIGINT, 1);
68			PRIV_START;
69			if (connect(s, (struct sockaddr *)&un, sizeof(un)) < 0) {
70			int saved_errno = errno;
71			if (errno == EINTR && gotintr) {
72			PRIV_END;
73			siginterrupt(SIGINT, 0);
74			close(s);
75			return(0);
76			}
77			PRIV_END;
78			siginterrupt(SIGINT, 0);
79			warnc(saved_errno, "connect");
80			(void)close(s);
81			return(0);
82			}
83			PRIV_END;
84			siginterrupt(SIGINT, 0);
85			if ((n = snprintf(buf, sizeof(buf), "\1%s\n", printer)) >= sizeof(buf) \|\|
86			n == -1) {
87			close(s);
88			return (0);
89			}
90
91			/* XXX atomicio inside siginterrupt? */
92			if (write(s, buf, n) != n) {
93			warn("write");
94			(void)close(s);
95			return(0);
96			}
97			if (read(s, buf, 1) == 1) {
98			if (buf[0] == '\0') { /* everything is OK */
99			(void)close(s);
100			return(1);
101			}
102			putchar(buf[0]);
103			}
104			while ((n = read(s, buf, sizeof(buf))) > 0)
105			fwrite(buf, 1, n, stdout);
106			(void)close(s);
107			return(0);
108			}