1/* 2 * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24/* 25 * ccdebug.c - CommonCrypto debug macros 26 * 27 */ 28 29 30#include "ccdebug.h" 31#include "ccGlobals.h" 32#include <stdlib.h> 33#include <asl.h> 34#include <stdarg.h> 35#include <string.h> 36#include <stdio.h> 37#include <dispatch/dispatch.h> 38 39 40static const char *std_log_prefix = "###CommonCrypto : %s - %s"; 41static const char *std_ident = "CommonCrypto"; 42static const char *std_facility = "CipherSuite"; 43 44static void 45ccdebug_init(cc_globals_t globals) { 46 dispatch_once(&globals->debug_init, ^{ 47 char *ccEnvStdErr = getenv("CC_STDERR"); 48 uint32_t std_options = 0; 49 50 if(ccEnvStdErr != NULL && strncmp(ccEnvStdErr, "yes", 3) == 0) std_options |= ASL_OPT_STDERR; 51 globals->aslhandle = asl_open(std_ident, std_facility, std_options); 52 globals->msgptr = asl_new(ASL_TYPE_MSG); 53 asl_set(globals->msgptr, ASL_KEY_FACILITY, "com.apple.platformsec"); 54 }); 55} 56 57#define LINESIZE 256 58 59void 60ccdebug_imp(int level, const char *funcname, const char *format, ...) { 61 va_list argp; 62 char fmtbuffer[LINESIZE]; 63 64 cc_globals_t globals = _cc_globals(); 65 ccdebug_init(globals); 66 67 va_start(argp, format); 68 snprintf(fmtbuffer, LINESIZE, std_log_prefix, funcname, format); 69 asl_vlog(globals->aslhandle, globals->msgptr, level, fmtbuffer, argp); 70 va_end(argp); 71} 72 73