openpam_log.c revision 107579
1270031Spfg/*- 254820Speter * Copyright (c) 2002 Networks Associates Technology, Inc. 354820Speter * All rights reserved. 454820Speter * 554820Speter * This software was developed for the FreeBSD Project by ThinkSec AS and 654820Speter * Network Associates Laboratories, the Security Research Division of 754820Speter * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 854820Speter * ("CBOSS"), as part of the DARPA CHATS research program. 954820Speter * 1054820Speter * Redistribution and use in source and binary forms, with or without 1154820Speter * modification, are permitted provided that the following conditions 1254820Speter * are met: 1354820Speter * 1. Redistributions of source code must retain the above copyright 1454820Speter * notice, this list of conditions and the following disclaimer. 1554820Speter * 2. Redistributions in binary form must reproduce the above copyright 1654820Speter * notice, this list of conditions and the following disclaimer in the 1754820Speter * documentation and/or other materials provided with the distribution. 1854820Speter * 3. The name of the author may not be used to endorse or promote 1954820Speter * products derived from this software without specific prior written 2054820Speter * permission. 2154820Speter * 2254820Speter * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2354820Speter * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2454820Speter * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2554820Speter * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2654820Speter * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2754820Speter * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2854820Speter * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2954820Speter * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3054820Speter * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3154820Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3254820Speter * SUCH DAMAGE. 3384225Sdillon * 3454820Speter * $P4: //depot/projects/openpam/lib/openpam_log.c#16 $ 3555227Speter */ 3654820Speter 3754820Speter#include <ctype.h> 3854820Speter#include <stdarg.h> 3954820Speter#include <stdio.h> 4054820Speter#include <stdlib.h> 4155227Speter#include <string.h> 4254820Speter#include <syslog.h> 4392917Sobrien 4454820Speter#include <security/pam_appl.h> 4554820Speter 4654820Speter#include "openpam_impl.h" 4754820Speter 4854820Speter#if defined(openpam_log) 4954820Speter 50121193Smarkm/* 5154820Speter * OpenPAM extension 5254820Speter * 5354820Speter * Log a message through syslog(3) 5454820Speter */ 5555227Speter 5654820Spetervoid 5754820Speter_openpam_log(int level, const char *func, const char *fmt, ...) 5855227Speter{ 5954820Speter va_list ap; 6054820Speter char *format; 6154820Speter int len, priority; 62270031Spfg 6354820Speter switch (level) { 6454820Speter case PAM_LOG_DEBUG: 6554820Speter#ifndef DEBUG 6654820Speter return; 6754820Speter#endif 6854820Speter priority = LOG_DEBUG; 6954820Speter break; 7054820Speter case PAM_LOG_VERBOSE: 7154820Speter priority = LOG_INFO; 7254820Speter break; 7354820Speter case PAM_LOG_NOTICE: 7454820Speter priority = LOG_NOTICE; 7554820Speter break; 7654820Speter case PAM_LOG_ERROR: 7754820Speter default: 7854820Speter priority = LOG_ERR; 79121193Smarkm break; 8054820Speter } 8154820Speter va_start(ap, fmt); 8254820Speter for (len = strlen(fmt); len > 0 && isspace(fmt[len]); len--) 8354820Speter /* nothing */; 8454820Speter if ((format = malloc(strlen(func) + len + 16)) != NULL) { 8554820Speter sprintf(format, "in %s(): %.*s\n", func, len, fmt); 8654820Speter vsyslog(priority, format, ap); 8754820Speter free(format); 8854820Speter } else { 8955227Speter vsyslog(priority, fmt, ap); 9054820Speter } 9155227Speter va_end(ap); 9254820Speter} 9354820Speter 9454820Speter#else 9554820Speter 9654820Speter/* 9754820Speter * If openpam_log isn't defined as a macro, we're on a platform that 9854820Speter * doesn't support varadic macros (or it does but we aren't aware of 9954820Speter * it). Do the next best thing. 10054820Speter */ 10154820Speter 10254820Spetervoid 10354820Speteropenpam_log(int level, const char *fmt, ...) 10454820Speter{ 10554820Speter va_list ap; 10654820Speter int priority; 10754820Speter 10854820Speter switch (level) { 10954820Speter case PAM_LOG_DEBUG: 11054820Speter#ifndef DEBUG 11154820Speter return; 11254820Speter#endif 11354820Speter priority = LOG_DEBUG; 11454820Speter break; 11554820Speter case PAM_LOG_VERBOSE: 11654820Speter priority = LOG_INFO; 11754820Speter break; 11854820Speter case PAM_LOG_NOTICE: 11954820Speter priority = LOG_NOTICE; 12054820Speter break; 12154820Speter case PAM_LOG_ERROR: 12254820Speter default: 12354820Speter priority = LOG_ERR; 12454820Speter break; 12554820Speter } 12654820Speter va_start(ap, fmt); 12754820Speter vsyslog(priority, fmt, ap); 12854820Speter va_end(ap); 12954820Speter} 13054820Speter 13154820Speter#endif 13254820Speter 13354820Speter/* 13454820Speter * NOLIST 13554820Speter */ 13654820Speter