GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/bio/bss_log.c Lines: 0 31 0.0 %
Date: 2017-11-13 Branches: 0 8 0.0 %

Line Branch Exec Source
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/* $OpenBSD: bss_log.c,v 1.21 2014/07/11 08:44:47 jsing Exp $ */
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/* ====================================================================
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 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in
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 *    the documentation and/or other materials provided with the
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 *    distribution.
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 *
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 * 3. All advertising materials mentioning features or use of this
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 *    software must display the following acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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 *
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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 *    endorse or promote products derived from this software without
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 *    prior written permission. For written permission, please contact
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 *    licensing@OpenSSL.org.
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 *
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 * 5. Products derived from this software may not be called "OpenSSL"
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 *    nor may "OpenSSL" appear in their names without prior written
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 *    permission of the OpenSSL Project.
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 *
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 * 6. Redistributions of any form whatsoever must retain the following
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 *    acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ====================================================================
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 *
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 * This product includes cryptographic software written by Eric Young
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 * (eay@cryptsoft.com).  This product includes software written by Tim
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 * Hudson (tjh@cryptsoft.com).
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 *
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 */
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/*
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	Why BIO_s_log?
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	BIO_s_log is useful for system daemons (or services under NT).
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	It is one-way BIO, it sends all stuff to syslogd (on system that
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	commonly use that), or event log (on NT), or OPCOM (on OpenVMS).
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#ifndef NO_SYSLOG
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static int slg_write(BIO *h, const char *buf, int num);
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static int slg_puts(BIO *h, const char *str);
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static long slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
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static int slg_new(BIO *h);
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static int slg_free(BIO *data);
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static void xopenlog(BIO* bp, char* name, int level);
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static void xsyslog(BIO* bp, int priority, const char* string);
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static void xcloselog(BIO* bp);
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static BIO_METHOD methods_slg = {
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	.type = BIO_TYPE_MEM,
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	.name = "syslog",
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	.bwrite = slg_write,
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	.bputs = slg_puts,
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	.ctrl = slg_ctrl,
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	.create = slg_new,
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	.destroy = slg_free
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};
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BIO_METHOD *
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BIO_s_log(void)
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{
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	return (&methods_slg);
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}
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static int
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slg_new(BIO *bi)
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{
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	bi->init = 1;
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	bi->num = 0;
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	bi->ptr = NULL;
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	xopenlog(bi, "application", LOG_DAEMON);
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	return (1);
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}
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static int
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slg_free(BIO *a)
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{
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	if (a == NULL)
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		return (0);
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	xcloselog(a);
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	return (1);
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}
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static int
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slg_write(BIO *b, const char *in, int inl)
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{
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	int ret = inl;
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	char* buf;
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	char* pp;
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	int priority, i;
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	static const struct {
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		int strl;
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		char str[10];
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		int log_level;
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	}
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	mapping[] = {
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		{ 6, "PANIC ", LOG_EMERG },
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		{ 6, "EMERG ", LOG_EMERG },
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		{ 4, "EMR ", LOG_EMERG },
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		{ 6, "ALERT ", LOG_ALERT },
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		{ 4, "ALR ", LOG_ALERT },
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		{ 5, "CRIT ", LOG_CRIT },
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		{ 4, "CRI ", LOG_CRIT },
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		{ 6, "ERROR ", LOG_ERR },
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		{ 4, "ERR ", LOG_ERR },
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		{ 8, "WARNING ", LOG_WARNING },
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		{ 5, "WARN ", LOG_WARNING },
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		{ 4, "WAR ", LOG_WARNING },
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		{ 7, "NOTICE ", LOG_NOTICE },
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		{ 5, "NOTE ", LOG_NOTICE },
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		{ 4, "NOT ", LOG_NOTICE },
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		{ 5, "INFO ", LOG_INFO },
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		{ 4, "INF ", LOG_INFO },
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		{ 6, "DEBUG ", LOG_DEBUG },
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		{ 4, "DBG ", LOG_DEBUG },
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		{ 0, "", LOG_ERR } /* The default */
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	};
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	if ((buf = malloc(inl + 1)) == NULL) {
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		return (0);
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	}
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	strlcpy(buf, in, inl + 1);
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	i = 0;
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	while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0)
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		i++;
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	priority = mapping[i].log_level;
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	pp = buf + mapping[i].strl;
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	xsyslog(b, priority, pp);
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	free(buf);
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	return (ret);
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}
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static long
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slg_ctrl(BIO *b, int cmd, long num, void *ptr)
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{
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	switch (cmd) {
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	case BIO_CTRL_SET:
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		xcloselog(b);
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		xopenlog(b, ptr, num);
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		break;
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	default:
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		break;
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	}
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	return (0);
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}
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static int
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slg_puts(BIO *bp, const char *str)
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{
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	int n, ret;
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	n = strlen(str);
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	ret = slg_write(bp, str, n);
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	return (ret);
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}
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static void
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xopenlog(BIO* bp, char* name, int level)
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{
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	openlog(name, LOG_PID|LOG_CONS, level);
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}
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static void
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xsyslog(BIO *bp, int priority, const char *string)
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{
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	syslog(priority, "%s", string);
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}
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static void
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xcloselog(BIO* bp)
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{
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	closelog();
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}
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#endif /* NO_SYSLOG */