1 // Copyright (c) 2011, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 //     * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 //     * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 //     * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 //
30 // Utility class that can persist a SimpleStringDictionary to disk.
31 
32 #import <Foundation/Foundation.h>
33 
34 #include "common/simple_string_dictionary.h"
35 
36 namespace google_breakpad {
37 
38 BOOL EnsureDirectoryPathExists(NSString *dirPath);
39 
40 //=============================================================================
41 class ConfigFile {
42  public:
ConfigFile()43   ConfigFile() {
44     config_file_ = -1;
45     config_file_path_[0] = 0;
46     has_created_file_ = false;
47   };
48 
~ConfigFile()49   ~ConfigFile() {
50   };
51 
52   void WriteFile(const char* directory,
53                  const SimpleStringDictionary *configurationParameters,
54                  const char *dump_dir,
55                  const char *minidump_id);
56 
GetFilePath()57   const char *GetFilePath() { return config_file_path_; }
58 
Unlink()59   void Unlink() {
60     if (config_file_ != -1)
61       unlink(config_file_path_);
62 
63     config_file_ = -1;
64   }
65 
66  private:
67   BOOL WriteData(const void *data, size_t length);
68 
69   BOOL AppendConfigData(const char *key,
70                         const void *data,
71                         size_t length);
72 
73   BOOL AppendConfigString(const char *key,
74                           const char *value);
75 
76   BOOL AppendCrashTimeParameters(const char *processStartTimeString);
77 
78   int   config_file_;                    // descriptor for config file
79   char  config_file_path_[PATH_MAX];     // Path to configuration file
80   bool  has_created_file_;
81 };
82 
83 } // namespace google_breakpad
84