openpam_log.c revision 91684
1238046Smarcel/*- 2238046Smarcel * Copyright (c) 2002 Networks Associates Technologies, Inc. 3238046Smarcel * All rights reserved. 4238046Smarcel * 5238046Smarcel * This software was developed for the FreeBSD Project by ThinkSec AS and 6238046Smarcel * NAI Labs, the Security Research Division of Network Associates, Inc. 7238046Smarcel * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the 8238046Smarcel * DARPA CHATS research program. 9238046Smarcel * 10238046Smarcel * Redistribution and use in source and binary forms, with or without 11238046Smarcel * modification, are permitted provided that the following conditions 12238046Smarcel * are met: 13238046Smarcel * 1. Redistributions of source code must retain the above copyright 14238046Smarcel * notice, this list of conditions and the following disclaimer. 15238046Smarcel * 2. Redistributions in binary form must reproduce the above copyright 16238046Smarcel * notice, this list of conditions and the following disclaimer in the 17238046Smarcel * documentation and/or other materials provided with the distribution. 18238046Smarcel * 3. The name of the author may not be used to endorse or promote 19238046Smarcel * products derived from this software without specific prior written 20238046Smarcel * permission. 21238046Smarcel * 22238046Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23238046Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24238046Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25238046Smarcel * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26238046Smarcel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27238046Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28238046Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29238046Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30238046Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31238046Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32238046Smarcel * SUCH DAMAGE. 33238046Smarcel * 34238046Smarcel * $P4: //depot/projects/openpam/lib/openpam_log.c#9 $ 35238046Smarcel */ 36238046Smarcel 37238046Smarcel#include <ctype.h> 38238046Smarcel#include <stdarg.h> 39238046Smarcel#include <stdio.h> 40238046Smarcel#include <stdlib.h> 41238046Smarcel#include <syslog.h> 42238046Smarcel 43238046Smarcel#include <security/pam_appl.h> 44238046Smarcel 45238046Smarcel#include "openpam_impl.h" 46238046Smarcel 47238046Smarcel#if defined(openpam_log) 48238046Smarcel 49238046Smarcel/* 50238046Smarcel * OpenPAM extension 51238046Smarcel * 52238046Smarcel * Log a message through syslog(3) 53238046Smarcel */ 54238046Smarcel 55238046Smarcelvoid 56238046Smarcel_openpam_log(int level, const char *func, const char *fmt, ...) 57238046Smarcel{ 58238046Smarcel va_list ap; 59238046Smarcel char *format; 60238046Smarcel int len, priority; 61238046Smarcel 62238046Smarcel switch (level) { 63238046Smarcel case PAM_LOG_DEBUG: 64238046Smarcel priority = LOG_DEBUG; 65238046Smarcel break; 66238046Smarcel case PAM_LOG_VERBOSE: 67238046Smarcel priority = LOG_INFO; 68238046Smarcel break; 69238046Smarcel case PAM_LOG_NOTICE: 70238046Smarcel priority = LOG_NOTICE; 71238046Smarcel break; 72238046Smarcel case PAM_LOG_ERROR: 73238046Smarcel priority = LOG_ERR; 74238046Smarcel break; 75238046Smarcel } 76238046Smarcel va_start(ap, fmt); 77238046Smarcel for (len = strlen(fmt); len > 0 && isspace(fmt[len]); len--) 78238046Smarcel /* nothing */; 79238046Smarcel if ((format = malloc(strlen(func) + len + 16)) != NULL) { 80238046Smarcel sprintf(format, "in %s(): %.*s\n", func, len, fmt); 81238046Smarcel vsyslog(priority, format, ap); 82238046Smarcel#ifdef DEBUG 83238046Smarcel vfprintf(stderr, format, ap); 84238046Smarcel#endif 85238046Smarcel free(format); 86238046Smarcel } else { 87238046Smarcel vsyslog(priority, fmt, ap); 88238046Smarcel } 89238046Smarcel va_end(ap); 90238046Smarcel} 91238046Smarcel 92238046Smarcel#else 93238046Smarcel 94238046Smarcel/* 95238046Smarcel * If openpam_log isn't defined as a macro, we're on a platform that 96238046Smarcel * doesn't support varadic macros (or it does but we aren't aware of 97238046Smarcel * it). Do the next best thing. 98 */ 99 100void 101openpam_log(int level, const char *fmt, ...) 102{ 103 va_list ap; 104 int priority; 105 106 switch (level) { 107 case PAM_LOG_DEBUG: 108 priority = LOG_DEBUG; 109 break; 110 case PAM_LOG_VERBOSE: 111 priority = LOG_INFO; 112 break; 113 case PAM_LOG_NOTICE: 114 priority = LOG_NOTICE; 115 break; 116 case PAM_LOG_ERROR: 117 priority = LOG_ERR; 118 break; 119 } 120 va_start(ap, fmt); 121 vsyslog(priority, fmt, ap); 122 va_end(ap); 123} 124 125#endif 126 127/* 128 * NOLIST 129 */ 130