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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/radiusd/radiusd/../log.c	Lines:	0	69	0.0 %
Date:	2017-11-07	Branches:	0	28	0.0 %


/*	$OpenBSD: log.c,v 1.2 2017/03/29 18:01:51 bluhm Exp $ */

/*
 * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <time.h>

#include "log.h"

int		 log_debug_use_syslog = 0;
static int	 log_initialized = 0;
static int	 debug = 0;

void	 logit(int, const char *, ...);

void
log_init(int n_debug)
{
	extern char	*__progname;

	debug = n_debug;

	if (!debug)
		openlog(__progname, LOG_PID | LOG_NDELAY, LOG_DAEMON);

	tzset();
	log_initialized++;
}

void
logit(int pri, const char *fmt, ...)
{
	va_list	ap;

	va_start(ap, fmt);
	vlog(pri, fmt, ap);
	va_end(ap);
}

void
vlog(int pri, const char *fmt, va_list ap)
{
	char			 fmtbuf[1024];
	time_t			 curr;
	struct tm		 tm;
	u_int			 i = 0, j;
	static struct {
		int		 v;
		const char	*l;
	} syslog_prionames[] = {
#define	NV(_l)	{ _l, #_l }
		NV(LOG_DEBUG),
		NV(LOG_INFO),
		NV(LOG_NOTICE),
		NV(LOG_WARNING),
		NV(LOG_ERR),
		NV(LOG_ALERT),
		NV(LOG_CRIT),
#undef NV
		{ -1, NULL }
	};

	if (log_initialized && !debug) {
		vsyslog(pri, fmt, ap);
		return;
	}
	if (log_initialized) {
		time(&curr);
		localtime_r(&curr, &tm);
		strftime(fmtbuf, sizeof(fmtbuf), "%Y-%m-%d %H:%M:%S:", &tm);
		for (i = 0; syslog_prionames[i].v != -1; i++) {
			if (syslog_prionames[i].v == LOG_PRI(pri)) {
				strlcat(fmtbuf, syslog_prionames[i].l + 4,
				    sizeof(fmtbuf));
				strlcat(fmtbuf, ": ", sizeof(fmtbuf));
				break;
			}
		}
		i = strlen(fmtbuf);
	}
	for (j = 0; i < sizeof(fmtbuf) - 2 && fmt[j] != '\0'; j++) {
		if (fmt[j] == '%' && fmt[j + 1] == 'm') {
			++j;
			fmtbuf[i] = '\0';
			strlcat(fmtbuf, strerror(errno), sizeof(fmtbuf) - 1);
			i = strlen(fmtbuf);
		} else
			fmtbuf[i++] = fmt[j];
	}
	fmtbuf[i++] = '\n';
	fmtbuf[i++] = '\0';

	vfprintf(stderr, fmtbuf, ap);
}


void
log_warn(const char *emsg, ...)
{
	char	*nfmt;
	va_list	 ap;

	/* best effort to even work in out of memory situations */
	if (emsg == NULL)
		logit(LOG_WARNING, "%s", strerror(errno));
	else {
		va_start(ap, emsg);

		if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
			/* we tried it... */
			vlog(LOG_WARNING, emsg, ap);
			logit(LOG_WARNING, "%s", strerror(errno));
		} else {
			vlog(LOG_WARNING, nfmt, ap);
			free(nfmt);
		}
		va_end(ap);
	}
}

void
log_warnx(const char *emsg, ...)
{
	va_list	 ap;

	va_start(ap, emsg);
	vlog(LOG_WARNING, emsg, ap);
	va_end(ap);
}

void
log_info(const char *emsg, ...)
{
	va_list	 ap;

	va_start(ap, emsg);
	vlog(LOG_INFO, emsg, ap);
	va_end(ap);
}

void
log_debug(const char *emsg, ...)
{
	va_list	 ap;

	if (debug || log_debug_use_syslog) {
		va_start(ap, emsg);
		vlog(LOG_DEBUG, emsg, ap);
		va_end(ap);
	}
}

void
fatal(const char *emsg)
{
	if (emsg == NULL)
		logit(LOG_CRIT, "fatal: %s", strerror(errno));
	else
		if (errno)
			logit(LOG_CRIT, "fatal: %s: %s",
			    emsg, strerror(errno));
		else
			logit(LOG_CRIT, "fatal: %s", emsg);

	exit(1);
}

void
fatalx(const char *emsg)
{
	errno = 0;
	fatal(emsg);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: log.c,v 1.2 2017/03/29 18:01:51 bluhm Exp $ */
2
3			/*
4			* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18
19			#include <errno.h>
20			#include <stdarg.h>
21			#include <stdio.h>
22			#include <stdlib.h>
23			#include <string.h>
24			#include <syslog.h>
25			#include <time.h>
26
27			#include "log.h"
28
29			int log_debug_use_syslog = 0;
30			static int log_initialized = 0;
31			static int debug = 0;
32
33			void logit(int, const char *, ...);
34
35			void
36			log_init(int n_debug)
37			{
38			extern char *__progname;
39
40			debug = n_debug;
41
42			if (!debug)
43			openlog(__progname, LOG_PID \| LOG_NDELAY, LOG_DAEMON);
44
45			tzset();
46			log_initialized++;
47			}
48
49			void
50			logit(int pri, const char *fmt, ...)
51			{
52			va_list ap;
53
54			va_start(ap, fmt);
55			vlog(pri, fmt, ap);
56			va_end(ap);
57			}
58
59			void
60			vlog(int pri, const char *fmt, va_list ap)
61			{
62			char fmtbuf[1024];
63			time_t curr;
64			struct tm tm;
65			u_int i = 0, j;
66			static struct {
67			int v;
68			const char *l;
69			} syslog_prionames[] = {
70			#define NV(_l) { _l, #_l }
71			NV(LOG_DEBUG),
72			NV(LOG_INFO),
73			NV(LOG_NOTICE),
74			NV(LOG_WARNING),
75			NV(LOG_ERR),
76			NV(LOG_ALERT),
77			NV(LOG_CRIT),
78			#undef NV
79			{ -1, NULL }
80			};
81
82			if (log_initialized && !debug) {
83			vsyslog(pri, fmt, ap);
84			return;
85			}
86			if (log_initialized) {
87			time(&curr);
88			localtime_r(&curr, &tm);
89			strftime(fmtbuf, sizeof(fmtbuf), "%Y-%m-%d %H:%M:%S:", &tm);
90			for (i = 0; syslog_prionames[i].v != -1; i++) {
91			if (syslog_prionames[i].v == LOG_PRI(pri)) {
92			strlcat(fmtbuf, syslog_prionames[i].l + 4,
93			sizeof(fmtbuf));
94			strlcat(fmtbuf, ": ", sizeof(fmtbuf));
95			break;
96			}
97			}
98			i = strlen(fmtbuf);
99			}
100			for (j = 0; i < sizeof(fmtbuf) - 2 && fmt[j] != '\0'; j++) {
101			if (fmt[j] == '%' && fmt[j + 1] == 'm') {
102			++j;
103			fmtbuf[i] = '\0';
104			strlcat(fmtbuf, strerror(errno), sizeof(fmtbuf) - 1);
105			i = strlen(fmtbuf);
106			} else
107			fmtbuf[i++] = fmt[j];
108			}
109			fmtbuf[i++] = '\n';
110			fmtbuf[i++] = '\0';
111
112			vfprintf(stderr, fmtbuf, ap);
113			}
114
115
116			void
117			log_warn(const char *emsg, ...)
118			{
119			char *nfmt;
120			va_list ap;
121
122			/* best effort to even work in out of memory situations */
123			if (emsg == NULL)
124			logit(LOG_WARNING, "%s", strerror(errno));
125			else {
126			va_start(ap, emsg);
127
128			if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
129			/* we tried it... */
130			vlog(LOG_WARNING, emsg, ap);
131			logit(LOG_WARNING, "%s", strerror(errno));
132			} else {
133			vlog(LOG_WARNING, nfmt, ap);
134			free(nfmt);
135			}
136			va_end(ap);
137			}
138			}
139
140			void
141			log_warnx(const char *emsg, ...)
142			{
143			va_list ap;
144
145			va_start(ap, emsg);
146			vlog(LOG_WARNING, emsg, ap);
147			va_end(ap);
148			}
149
150			void
151			log_info(const char *emsg, ...)
152			{
153			va_list ap;
154
155			va_start(ap, emsg);
156			vlog(LOG_INFO, emsg, ap);
157			va_end(ap);
158			}
159
160			void
161			log_debug(const char *emsg, ...)
162			{
163			va_list ap;
164
165			if (debug \|\| log_debug_use_syslog) {
166			va_start(ap, emsg);
167			vlog(LOG_DEBUG, emsg, ap);
168			va_end(ap);
169			}
170			}
171
172			void
173			fatal(const char *emsg)
174			{
175			if (emsg == NULL)
176			logit(LOG_CRIT, "fatal: %s", strerror(errno));
177			else
178			if (errno)
179			logit(LOG_CRIT, "fatal: %s: %s",
180			emsg, strerror(errno));
181			else
182			logit(LOG_CRIT, "fatal: %s", emsg);
183
184			exit(1);
185			}
186
187			void
188			fatalx(const char *emsg)
189			{
190			errno = 0;
191			fatal(emsg);
192			}