/* $OpenBSD: bss_log.c,v 1.23 2022/01/07 09:02:17 tb Exp $ */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ /* Why BIO_s_log? BIO_s_log is useful for system daemons (or services under NT). It is one-way BIO, it sends all stuff to syslogd (on system that commonly use that), or event log (on NT), or OPCOM (on OpenVMS). */ #include <errno.h> #include <stdio.h> #include <string.h> #include <syslog.h> #include <openssl/buffer.h> #include <openssl/err.h> #include "bio_local.h" #ifndef NO_SYSLOG static int slg_write(BIO *h, const char *buf, int num); static int slg_puts(BIO *h, const char *str); static long slg_ctrl(BIO *h, int cmd, long arg1, void *arg2); static int slg_new(BIO *h); static int slg_free(BIO *data); static void xopenlog(BIO* bp, char* name, int level); static void xsyslog(BIO* bp, int priority, const char* string); static void xcloselog(BIO* bp); static const BIO_METHOD methods_slg = { .type = BIO_TYPE_MEM, .name = "syslog", .bwrite = slg_write, .bputs = slg_puts, .ctrl = slg_ctrl, .create = slg_new, .destroy = slg_free }; const BIO_METHOD * BIO_s_log(void) { return (&methods_slg); } static int slg_new(BIO *bi) { bi->init = 1; bi->num = 0; bi->ptr = NULL; xopenlog(bi, "application", LOG_DAEMON); return (1); } static int slg_free(BIO *a) { if (a == NULL) return (0); xcloselog(a); return (1); } static int slg_write(BIO *b, const char *in, int inl) { int ret = inl; char* buf; char* pp; int priority, i; static const struct { int strl; char str[10]; int log_level; } mapping[] = { { 6, "PANIC ", LOG_EMERG }, { 6, "EMERG ", LOG_EMERG }, { 4, "EMR ", LOG_EMERG }, { 6, "ALERT ", LOG_ALERT }, { 4, "ALR ", LOG_ALERT }, { 5, "CRIT ", LOG_CRIT }, { 4, "CRI ", LOG_CRIT }, { 6, "ERROR ", LOG_ERR }, { 4, "ERR ", LOG_ERR }, { 8, "WARNING ", LOG_WARNING }, { 5, "WARN ", LOG_WARNING }, { 4, "WAR ", LOG_WARNING }, { 7, "NOTICE ", LOG_NOTICE }, { 5, "NOTE ", LOG_NOTICE }, { 4, "NOT ", LOG_NOTICE }, { 5, "INFO ", LOG_INFO }, { 4, "INF ", LOG_INFO }, { 6, "DEBUG ", LOG_DEBUG }, { 4, "DBG ", LOG_DEBUG }, { 0, "", LOG_ERR } /* The default */ }; if ((buf = malloc(inl + 1)) == NULL) { return (0); } strlcpy(buf, in, inl + 1); i = 0; while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0) i++; priority = mapping[i].log_level; pp = buf + mapping[i].strl; xsyslog(b, priority, pp); free(buf); return (ret); } static long slg_ctrl(BIO *b, int cmd, long num, void *ptr) { switch (cmd) { case BIO_CTRL_SET: xcloselog(b); xopenlog(b, ptr, num); break; default: break; } return (0); } static int slg_puts(BIO *bp, const char *str) { int n, ret; n = strlen(str); ret = slg_write(bp, str, n); return (ret); } static void xopenlog(BIO* bp, char* name, int level) { openlog(name, LOG_PID|LOG_CONS, level); } static void xsyslog(BIO *bp, int priority, const char *string) { syslog(priority, "%s", string); } static void xcloselog(BIO* bp) { closelog(); } #endif /* NO_SYSLOG */