1// Copyright 2011 Google LLC 2// 3// Redistribution and use in source and binary forms, with or without 4// modification, are permitted provided that the following conditions are 5// met: 6// 7// * Redistributions of source code must retain the above copyright 8// notice, this list of conditions and the following disclaimer. 9// * Redistributions in binary form must reproduce the above 10// copyright notice, this list of conditions and the following disclaimer 11// in the documentation and/or other materials provided with the 12// distribution. 13// * Neither the name of Google LLC nor the names of its 14// contributors may be used to endorse or promote products derived from 15// this software without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29// Utility class that can persist a SimpleStringDictionary to disk. 30 31#import "client/mac/crash_generation/ConfigFile.h" 32 33#import <Foundation/Foundation.h> 34#include <stdio.h> 35#include <sys/time.h> 36 37#import "client/apple/Framework/BreakpadDefines.h" 38#import "common/mac/GTMDefines.h" 39 40 41namespace google_breakpad { 42 43//============================================================================= 44BOOL EnsureDirectoryPathExists(NSString* dirPath) { 45 NSFileManager* mgr = [NSFileManager defaultManager]; 46 47 NSDictionary* attrs = 48 [NSDictionary dictionaryWithObject:[NSNumber numberWithUnsignedLong:0750] 49 forKey:NSFilePosixPermissions]; 50 51 return [mgr createDirectoryAtPath:dirPath 52 withIntermediateDirectories:YES 53 attributes:attrs 54 error:nil]; 55} 56 57//============================================================================= 58BOOL ConfigFile::WriteData(const void* data, size_t length) { 59 size_t result = write(config_file_, data, length); 60 61 return result == length; 62} 63 64//============================================================================= 65BOOL ConfigFile::AppendConfigData(const char* key, 66 const void* data, size_t length) { 67 assert(config_file_ != -1); 68 69 if (!key) { 70 return NO; 71 } 72 73 if (!data) { 74 return NO; 75 } 76 77 // Write the key, \n, length of data (ascii integer), \n, data 78 char buffer[16]; 79 char nl = '\n'; 80 BOOL result = WriteData(key, strlen(key)); 81 82 snprintf(buffer, sizeof(buffer) - 1, "\n%lu\n", length); 83 result &= WriteData(buffer, strlen(buffer)); 84 result &= WriteData(data, length); 85 result &= WriteData(&nl, 1); 86 return result; 87} 88 89//============================================================================= 90BOOL ConfigFile::AppendConfigString(const char* key, 91 const char* value) { 92 return AppendConfigData(key, value, strlen(value)); 93} 94 95//============================================================================= 96BOOL ConfigFile::AppendCrashTimeParameters(const char* processStartTimeString) { 97 // Set process uptime parameter 98 struct timeval tv; 99 gettimeofday(&tv, NULL); 100 101 char processUptimeString[32], processCrashtimeString[32]; 102 // Set up time if we've received the start time. 103 if (processStartTimeString) { 104 time_t processStartTime = strtol(processStartTimeString, NULL, 10); 105 time_t processUptime = tv.tv_sec - processStartTime; 106 // Store the uptime in milliseconds. 107 snprintf(processUptimeString, sizeof(processUptimeString), "%llu", 108 static_cast<unsigned long long int>(processUptime) * 1000); 109 if (!AppendConfigString(BREAKPAD_PROCESS_UP_TIME, processUptimeString)) 110 return false; 111 } 112 113 snprintf(processCrashtimeString, sizeof(processCrashtimeString), "%llu", 114 static_cast<unsigned long long int>(tv.tv_sec)); 115 return AppendConfigString(BREAKPAD_PROCESS_CRASH_TIME, 116 processCrashtimeString); 117} 118 119//============================================================================= 120void ConfigFile::WriteFile(const char* directory, 121 const SimpleStringDictionary* configurationParameters, 122 const char* dump_dir, 123 const char* minidump_id) { 124 125 assert(config_file_ == -1); 126 127 // Open and write out configuration file preamble 128 if (directory) { 129 snprintf(config_file_path_, sizeof(config_file_path_), "%s/Config-XXXXXX", 130 directory); 131 } else { 132 strlcpy(config_file_path_, "/tmp/Config-XXXXXX", 133 sizeof(config_file_path_)); 134 } 135 config_file_ = mkstemp(config_file_path_); 136 137 if (config_file_ == -1) { 138 return; 139 } 140 141 has_created_file_ = true; 142 143 // Add the minidump dir 144 AppendConfigString(kReporterMinidumpDirectoryKey, dump_dir); 145 AppendConfigString(kReporterMinidumpIDKey, minidump_id); 146 147 // Write out the configuration parameters 148 BOOL result = YES; 149 const SimpleStringDictionary& dictionary = *configurationParameters; 150 151 const SimpleStringDictionary::Entry* entry = NULL; 152 SimpleStringDictionary::Iterator iter(dictionary); 153 154 while ((entry = iter.Next())) { 155 result = AppendConfigString(entry->key, entry->value); 156 157 if (!result) 158 break; 159 } 160 AppendCrashTimeParameters( 161 configurationParameters->GetValueForKey(BREAKPAD_PROCESS_START_TIME)); 162 163 close(config_file_); 164 config_file_ = -1; 165} 166 167} // namespace google_breakpad 168