Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	sbin/dhclient/errwarn.c	Lines:	0	51	0.0 %
Date:	2016-12-06	Branches:	0	18	0.0 %


/*	$OpenBSD: errwarn.c,v 1.23 2016/02/06 19:30:52 krw Exp $	*/

/* Errors and warnings. */

/*
 * Copyright (c) 1996 The Internet Software Consortium.
 * All Rights Reserved.
 * Copyright (c) 1995 RadioMail Corporation.  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 RadioMail Corporation, the Internet Software
 *    Consortium 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 RADIOMAIL CORPORATION, THE INTERNET
 * SOFTWARE CONSORTIUM 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 RADIOMAIL CORPORATION 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.
 *
 * This software was written for RadioMail Corporation by Ted Lemon
 * under a contract with Vixie Enterprises.   Further modifications have
 * been made for the Internet Software Consortium under a contract
 * with Vixie Laboratories.
 */

#include <sys/queue.h>
#include <sys/socket.h>

#include <arpa/inet.h>

#include <net/if.h>

#include <netinet/in.h>
#include <netinet/if_ether.h>

#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>

#include "dhcp.h"
#include "dhcpd.h"

static char mbuf[1024];

int warnings_occurred;

/*
 * Log an error message, then exit.
 */
void
error(char *fmt, ...)
{
	va_list list;

	va_start(list, fmt);
	vsnprintf(mbuf, sizeof(mbuf), fmt, list);
	va_end(list);

#ifndef DEBUG
	syslog(LOG_ERR, "%s", mbuf);
#endif

	/* Also log it to stderr? */
	if (log_perror) {
		write(STDERR_FILENO, mbuf, strlen(mbuf));
		write(STDERR_FILENO, "\n", 1);
	}

	if (log_perror) {
		fflush(stderr);
	}
	exit(1);
}

/*
 * Log a warning message.
 */
void
warning(char *fmt, ...)
{
	va_list list;

	va_start(list, fmt);
	vsnprintf(mbuf, sizeof(mbuf), fmt, list);
	va_end(list);

#ifndef DEBUG
	syslog(LOG_ERR, "%s", mbuf);
#endif

	if (log_perror) {
		write(STDERR_FILENO, mbuf, strlen(mbuf));
		write(STDERR_FILENO, "\n", 1);
	}
}

/*
 * Log a note.
 */
void
note(char *fmt, ...)
{
	va_list list;

	va_start(list, fmt);
	vsnprintf(mbuf, sizeof(mbuf), fmt, list);
	va_end(list);

#ifndef DEBUG
	syslog(LOG_INFO, "%s", mbuf);
#endif

	if (log_perror) {
		write(STDERR_FILENO, mbuf, strlen(mbuf));
		write(STDERR_FILENO, "\n", 1);
	}
}

#ifdef DEBUG
/*
 * Log a debug message.
 */
void
debug(char *fmt, ...)
{
	va_list list;

	va_start(list, fmt);
	vsnprintf(mbuf, sizeof(mbuf), fmt, list);
	va_end(list);

	syslog(LOG_DEBUG, "%s", mbuf);

	if (log_perror) {
		write(STDERR_FILENO, mbuf, strlen(mbuf));
		write(STDERR_FILENO, "\n", 1);
	}
}
#endif

void
parse_warn(char *msg)
{
	static char spaces[81];
	struct iovec iov[6];
	size_t iovcnt;
	int i;

	snprintf(mbuf, sizeof(mbuf), "%s line %d: %s", tlname, lexline, msg);

#ifndef DEBUG
	syslog(LOG_ERR, "%s", mbuf);
	syslog(LOG_ERR, "%s", token_line);
	if (lexchar < 81)
		syslog(LOG_ERR, "%*c", lexchar, '^');
#endif

	if (log_perror) {
		iov[0].iov_base = mbuf;
		iov[0].iov_len = strlen(mbuf);
		iov[1].iov_base = "\n";
		iov[1].iov_len = 1;
		iov[2].iov_base = token_line;
		iov[2].iov_len = strlen(token_line);
		iov[3].iov_base = "\n";
		iov[3].iov_len = 1;
		iovcnt = 4;
		if (lexchar < 81) {
			for (i = 0; i < lexchar; i++) {
				if (token_line[i] == '\t')
					spaces[i] = '\t';
				else
					spaces[i] = ' ';
			}
			iov[4].iov_base = spaces;
			iov[4].iov_len = lexchar - 1;
			iov[5].iov_base = "^\n";
			iov[5].iov_len = 2;
			iovcnt += 2;
		}
		writev(STDERR_FILENO, iov, iovcnt);
	}
	warnings_occurred = 1;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: errwarn.c,v 1.23 2016/02/06 19:30:52 krw Exp $ */
2
3			/* Errors and warnings. */
4
5			/*
6			* Copyright (c) 1996 The Internet Software Consortium.
7			* All Rights Reserved.
8			* Copyright (c) 1995 RadioMail Corporation. All rights reserved.
9			*
10			* Redistribution and use in source and binary forms, with or without
11			* modification, are permitted provided that the following conditions
12			* are met:
13			*
14			* 1. Redistributions of source code must retain the above copyright
15			* notice, this list of conditions and the following disclaimer.
16			* 2. Redistributions in binary form must reproduce the above copyright
17			* notice, this list of conditions and the following disclaimer in the
18			* documentation and/or other materials provided with the distribution.
19			* 3. Neither the name of RadioMail Corporation, the Internet Software
20			* Consortium nor the names of its contributors may be used to endorse
21			* or promote products derived from this software without specific
22			* prior written permission.
23			*
24			* THIS SOFTWARE IS PROVIDED BY RADIOMAIL CORPORATION, THE INTERNET
25			* SOFTWARE CONSORTIUM AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
26			* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
27			* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28			* ARE DISCLAIMED. IN NO EVENT SHALL RADIOMAIL CORPORATION OR CONTRIBUTORS
29			* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30			* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31			* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32			* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33			* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
35			* OF THE POSSIBILITY OF SUCH DAMAGE.
36			*
37			* This software was written for RadioMail Corporation by Ted Lemon
38			* under a contract with Vixie Enterprises. Further modifications have
39			* been made for the Internet Software Consortium under a contract
40			* with Vixie Laboratories.
41			*/
42
43			#include <sys/queue.h>
44			#include <sys/socket.h>
45
46			#include <arpa/inet.h>
47
48			#include <net/if.h>
49
50			#include <netinet/in.h>
51			#include <netinet/if_ether.h>
52
53			#include <signal.h>
54			#include <stdarg.h>
55			#include <stdio.h>
56			#include <stdlib.h>
57			#include <string.h>
58			#include <syslog.h>
59			#include <unistd.h>
60
61			#include "dhcp.h"
62			#include "dhcpd.h"
63
64			static char mbuf[1024];
65
66			int warnings_occurred;
67
68			/*
69			* Log an error message, then exit.
70			*/
71			void
72			error(char *fmt, ...)
73			{
74			va_list list;
75
76			va_start(list, fmt);
77			vsnprintf(mbuf, sizeof(mbuf), fmt, list);
78			va_end(list);
79
80			#ifndef DEBUG
81			syslog(LOG_ERR, "%s", mbuf);
82			#endif
83
84			/* Also log it to stderr? */
85			if (log_perror) {
86			write(STDERR_FILENO, mbuf, strlen(mbuf));
87			write(STDERR_FILENO, "\n", 1);
88			}
89
90			if (log_perror) {
91			fflush(stderr);
92			}
93			exit(1);
94			}
95
96			/*
97			* Log a warning message.
98			*/
99			void
100			warning(char *fmt, ...)
101			{
102			va_list list;
103
104			va_start(list, fmt);
105			vsnprintf(mbuf, sizeof(mbuf), fmt, list);
106			va_end(list);
107
108			#ifndef DEBUG
109			syslog(LOG_ERR, "%s", mbuf);
110			#endif
111
112			if (log_perror) {
113			write(STDERR_FILENO, mbuf, strlen(mbuf));
114			write(STDERR_FILENO, "\n", 1);
115			}
116			}
117
118			/*
119			* Log a note.
120			*/
121			void
122			note(char *fmt, ...)
123			{
124			va_list list;
125
126			va_start(list, fmt);
127			vsnprintf(mbuf, sizeof(mbuf), fmt, list);
128			va_end(list);
129
130			#ifndef DEBUG
131			syslog(LOG_INFO, "%s", mbuf);
132			#endif
133
134			if (log_perror) {
135			write(STDERR_FILENO, mbuf, strlen(mbuf));
136			write(STDERR_FILENO, "\n", 1);
137			}
138			}
139
140			#ifdef DEBUG
141			/*
142			* Log a debug message.
143			*/
144			void
145			debug(char *fmt, ...)
146			{
147			va_list list;
148
149			va_start(list, fmt);
150			vsnprintf(mbuf, sizeof(mbuf), fmt, list);
151			va_end(list);
152
153			syslog(LOG_DEBUG, "%s", mbuf);
154
155			if (log_perror) {
156			write(STDERR_FILENO, mbuf, strlen(mbuf));
157			write(STDERR_FILENO, "\n", 1);
158			}
159			}
160			#endif
161
162			void
163			parse_warn(char *msg)
164			{
165			static char spaces[81];
166			struct iovec iov[6];
167			size_t iovcnt;
168			int i;
169
170			snprintf(mbuf, sizeof(mbuf), "%s line %d: %s", tlname, lexline, msg);
171
172			#ifndef DEBUG
173			syslog(LOG_ERR, "%s", mbuf);
174			syslog(LOG_ERR, "%s", token_line);
175			if (lexchar < 81)
176			syslog(LOG_ERR, "%*c", lexchar, '^');
177			#endif
178
179			if (log_perror) {
180			iov[0].iov_base = mbuf;
181			iov[0].iov_len = strlen(mbuf);
182			iov[1].iov_base = "\n";
183			iov[1].iov_len = 1;
184			iov[2].iov_base = token_line;
185			iov[2].iov_len = strlen(token_line);
186			iov[3].iov_base = "\n";
187			iov[3].iov_len = 1;
188			iovcnt = 4;
189			if (lexchar < 81) {
190			for (i = 0; i < lexchar; i++) {
191			if (token_line[i] == '\t')
192			spaces[i] = '\t';
193			else
194			spaces[i] = ' ';
195			}
196			iov[4].iov_base = spaces;
197			iov[4].iov_len = lexchar - 1;
198			iov[5].iov_base = "^\n";
199			iov[5].iov_len = 2;
200			iovcnt += 2;
201			}
202			writev(STDERR_FILENO, iov, iovcnt);
203			}
204			warnings_occurred = 1;
205			}