1*ebfedea0SLionel Sambuc /* $NetBSD: msg.c,v 1.2 2011/02/12 23:21:32 christos Exp $ */
2*ebfedea0SLionel Sambuc
3*ebfedea0SLionel Sambuc /* Copyright (c) 2010 The NetBSD Foundation, Inc.
4*ebfedea0SLionel Sambuc * All rights reserved.
5*ebfedea0SLionel Sambuc *
6*ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without
7*ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions
8*ebfedea0SLionel Sambuc * are met:
9*ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
10*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer.
11*ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
12*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
13*ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution.
14*ebfedea0SLionel Sambuc * 3. All advertising materials mentioning features or use of this software
15*ebfedea0SLionel Sambuc * must display the following acknowledgement:
16*ebfedea0SLionel Sambuc * This product includes software developed by the NetBSD
17*ebfedea0SLionel Sambuc * Foundation, Inc. and its contributors.
18*ebfedea0SLionel Sambuc * 4. Neither the name of The NetBSD Foundation nor the names of its
19*ebfedea0SLionel Sambuc * contributors may be used to endorse or promote products derived
20*ebfedea0SLionel Sambuc * from this software without specific prior written permission.
21*ebfedea0SLionel Sambuc *
22*ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23*ebfedea0SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24*ebfedea0SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25*ebfedea0SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26*ebfedea0SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27*ebfedea0SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28*ebfedea0SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29*ebfedea0SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30*ebfedea0SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31*ebfedea0SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32*ebfedea0SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
33*ebfedea0SLionel Sambuc */
34*ebfedea0SLionel Sambuc #include <sys/cdefs.h>
35*ebfedea0SLionel Sambuc __RCSID("$NetBSD: msg.c,v 1.2 2011/02/12 23:21:32 christos Exp $");
36*ebfedea0SLionel Sambuc
37*ebfedea0SLionel Sambuc #include <stdarg.h>
38*ebfedea0SLionel Sambuc #include <stdio.h>
39*ebfedea0SLionel Sambuc #include <stdlib.h>
40*ebfedea0SLionel Sambuc #include <syslog.h>
41*ebfedea0SLionel Sambuc
42*ebfedea0SLionel Sambuc #include "msg.h"
43*ebfedea0SLionel Sambuc
44*ebfedea0SLionel Sambuc /**
45*ebfedea0SLionel Sambuc * XXX: global debug flag. This is unique as it is set as early as
46*ebfedea0SLionel Sambuc * possible by checking the environment (looking for SASLC_ENV_DEBUG)
47*ebfedea0SLionel Sambuc * and the context, mechanism, and session dictionaries (looking for
48*ebfedea0SLionel Sambuc * SASLC_PROP_DEBUG) as soon as they become available. Hence, the
49*ebfedea0SLionel Sambuc * lookups are scattered in 4 places. It's ugly.
50*ebfedea0SLionel Sambuc *
51*ebfedea0SLionel Sambuc * It's also global so it isn't tied to a session, but this makes it
52*ebfedea0SLionel Sambuc * easly to use debugging messages as you don't need a context
53*ebfedea0SLionel Sambuc * pointer.
54*ebfedea0SLionel Sambuc */
55*ebfedea0SLionel Sambuc bool saslc_debug = false;
56*ebfedea0SLionel Sambuc
57*ebfedea0SLionel Sambuc /**
58*ebfedea0SLionel Sambuc * @brief conditionally log a message via syslogd
59*ebfedea0SLionel Sambuc * @param flag log the message or not
60*ebfedea0SLionel Sambuc * @param priority syslogd priority to log with
61*ebfedea0SLionel Sambuc * @param fmt message format string
62*ebfedea0SLionel Sambuc * @param ... format parameters
63*ebfedea0SLionel Sambuc */
64*ebfedea0SLionel Sambuc void
saslc__msg_syslog(bool flag,int priority,const char * fmt,...)65*ebfedea0SLionel Sambuc saslc__msg_syslog(bool flag, int priority, const char *fmt, ...)
66*ebfedea0SLionel Sambuc {
67*ebfedea0SLionel Sambuc va_list ap;
68*ebfedea0SLionel Sambuc char *tmp;
69*ebfedea0SLionel Sambuc
70*ebfedea0SLionel Sambuc if (!flag)
71*ebfedea0SLionel Sambuc return;
72*ebfedea0SLionel Sambuc
73*ebfedea0SLionel Sambuc va_start(ap, fmt);
74*ebfedea0SLionel Sambuc if (asprintf(&tmp, "libsaslc: %s", fmt) != -1) {
75*ebfedea0SLionel Sambuc vsyslog(priority, tmp, ap);
76*ebfedea0SLionel Sambuc free(tmp);
77*ebfedea0SLionel Sambuc }
78*ebfedea0SLionel Sambuc va_end(ap);
79*ebfedea0SLionel Sambuc }
80