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 <Foundation/Foundation.h>
32  
33  #include "common/simple_string_dictionary.h"
34  
35  namespace google_breakpad {
36  
37  BOOL EnsureDirectoryPathExists(NSString* dirPath);
38  
39  //=============================================================================
40  class ConfigFile {
41   public:
42    ConfigFile() {
43      config_file_ = -1;
44      config_file_path_[0] = 0;
45      has_created_file_ = false;
46    }
47  
48    ~ConfigFile() {
49    }
50  
51    void WriteFile(const char* directory,
52                   const SimpleStringDictionary* configurationParameters,
53                   const char* dump_dir,
54                   const char* minidump_id);
55  
56    const char* GetFilePath() { return config_file_path_; }
57  
58    void Unlink() {
59      if (config_file_ != -1)
60        unlink(config_file_path_);
61  
62      config_file_ = -1;
63    }
64  
65   private:
66    BOOL WriteData(const void* data, size_t length);
67  
68    BOOL AppendConfigData(const char* key,
69                          const void* data,
70                          size_t length);
71  
72    BOOL AppendConfigString(const char* key,
73                            const char* value);
74  
75    BOOL AppendCrashTimeParameters(const char* processStartTimeString);
76  
77    int   config_file_;                    // descriptor for config file
78    char  config_file_path_[PATH_MAX];     // Path to configuration file
79    bool  has_created_file_;
80  };
81  
82  } // namespace google_breakpad