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netwerk/srtp/src/crypto/kernel/err.c@6474c204b198 (annotated)

netwerk/srtp/src/crypto/kernel/err.c

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/*
michael@0	2	* err.c
michael@0	3	*
michael@0	4	* error status reporting functions
michael@0	5	*
michael@0	6	* David A. McGrew
michael@0	7	* Cisco Systems, Inc.
michael@0	8	*/
michael@0	9	/*
michael@0	10	*
michael@0	11	* Copyright(c) 2001-2006 Cisco Systems, Inc.
michael@0	12	* All rights reserved.
michael@0	13	*
michael@0	14	* Redistribution and use in source and binary forms, with or without
michael@0	15	* modification, are permitted provided that the following conditions
michael@0	16	* are met:
michael@0	17	*
michael@0	18	* Redistributions of source code must retain the above copyright
michael@0	19	* notice, this list of conditions and the following disclaimer.
michael@0	20	*
michael@0	21	* Redistributions in binary form must reproduce the above
michael@0	22	* copyright notice, this list of conditions and the following
michael@0	23	* disclaimer in the documentation and/or other materials provided
michael@0	24	* with the distribution.
michael@0	25	*
michael@0	26	* Neither the name of the Cisco Systems, Inc. nor the names of its
michael@0	27	* contributors may be used to endorse or promote products derived
michael@0	28	* from this software without specific prior written permission.
michael@0	29	*
michael@0	30	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0	31	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0	32	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
michael@0	33	* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
michael@0	34	* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
michael@0	35	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
michael@0	36	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
michael@0	37	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
michael@0	38	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
michael@0	39	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
michael@0	40	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
michael@0	41	* OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0	42	*
michael@0	43	*/
michael@0	44
michael@0	45	#include "err.h"
michael@0	46
michael@0	47	#ifdef ERR_REPORTING_SYSLOG
michael@0	48	# ifdef HAVE_SYSLOG_H
michael@0	49	# include <syslog.h>
michael@0	50	# endif
michael@0	51	#endif
michael@0	52
michael@0	53
michael@0	54	/* err_level reflects the level of errors that are reported */
michael@0	55
michael@0	56	err_reporting_level_t err_level = err_level_none;
michael@0	57
michael@0	58	#ifdef SRTP_KERNEL_LINUX
michael@0	59	err_status_t
michael@0	60	err_reporting_init(char *ident) {
michael@0	61
michael@0	62	return err_status_ok;
michael@0	63	}
michael@0	64
michael@0	65	#else /* SRTP_KERNEL_LINUX */
michael@0	66
michael@0	67	/* err_file is the FILE to which errors are reported */
michael@0	68
michael@0	69	static FILE *err_file = NULL;
michael@0	70
michael@0	71	err_status_t
michael@0	72	err_reporting_init(char *ident) {
michael@0	73	#ifdef ERR_REPORTING_SYSLOG
michael@0	74	openlog(ident, LOG_PID, LOG_AUTHPRIV);
michael@0	75	#endif
michael@0	76
michael@0	77	/*
michael@0	78	* Believe it or not, openlog doesn't return an error on failure.
michael@0	79	* But then, neither does the syslog() call...
michael@0	80	*/
michael@0	81
michael@0	82	#ifdef ERR_REPORTING_STDOUT
michael@0	83	err_file = stdout;
michael@0	84	#elif defined(USE_ERR_REPORTING_FILE)
michael@0	85	/* open file for error reporting */
michael@0	86	err_file = fopen(ERR_REPORTING_FILE, "w");
michael@0	87	if (err_file == NULL)
michael@0	88	return err_status_init_fail;
michael@0	89	#endif
michael@0	90
michael@0	91	return err_status_ok;
michael@0	92	}
michael@0	93
michael@0	94	void
michael@0	95	err_report(int priority, char *format, ...) {
michael@0	96	va_list args;
michael@0	97
michael@0	98	if ((err_reporting_level_t)priority <= err_level) {
michael@0	99
michael@0	100	va_start(args, format);
michael@0	101	if (err_file != NULL) {
michael@0	102	vfprintf(err_file, format, args);
michael@0	103	/* fprintf(err_file, "\n"); */
michael@0	104	}
michael@0	105	#ifdef ERR_REPORTING_SYSLOG
michael@0	106	if (1) { /* FIXME: Make this a runtime option. */
michael@0	107	int syslogpri;
michael@0	108
michael@0	109	switch (priority) {
michael@0	110	case err_level_emergency:
michael@0	111	syslogpri = LOG_EMERG;
michael@0	112	break;
michael@0	113	case err_level_alert:
michael@0	114	syslogpri = LOG_ALERT;
michael@0	115	break;
michael@0	116	case err_level_critical:
michael@0	117	syslogpri = LOG_CRIT;
michael@0	118	break;
michael@0	119	case err_level_error:
michael@0	120	syslogpri = LOG_ERR;
michael@0	121	break;
michael@0	122	case err_level_warning:
michael@0	123	syslogpri = LOG_WARNING;
michael@0	124	break;
michael@0	125	case err_level_notice:
michael@0	126	syslogpri = LOG_NOTICE;
michael@0	127	break;
michael@0	128	case err_level_info:
michael@0	129	syslogpri = LOG_INFO;
michael@0	130	break;
michael@0	131	case err_level_debug:
michael@0	132	case err_level_none:
michael@0	133	default:
michael@0	134	syslogpri = LOG_DEBUG;
michael@0	135	break;
michael@0	136	}
michael@0	137
michael@0	138	vsyslog(syslogpri, format, args);
michael@0	139	#endif
michael@0	140	va_end(args);
michael@0	141	}
michael@0	142	}
michael@0	143	#endif /* SRTP_KERNEL_LINUX */
michael@0	144
michael@0	145	void
michael@0	146	err_reporting_set_level(err_reporting_level_t lvl) {
michael@0	147	err_level = lvl;
michael@0	148	}