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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 */ |