1 // Copyright (c) 2012 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 #include <stdio.h> 31 32 #include "client/linux/handler/minidump_descriptor.h" 33 34 #include "common/linux/guid_creator.h" 35 36 namespace google_breakpad { 37 38 //static 39 const MinidumpDescriptor::MicrodumpOnConsole 40 MinidumpDescriptor::kMicrodumpOnConsole = {}; 41 42 MinidumpDescriptor::MinidumpDescriptor(const MinidumpDescriptor& descriptor) 43 : mode_(descriptor.mode_), 44 fd_(descriptor.fd_), 45 directory_(descriptor.directory_), 46 c_path_(NULL), 47 size_limit_(descriptor.size_limit_), 48 microdump_extra_info_(descriptor.microdump_extra_info_) { 49 // The copy constructor is not allowed to be called on a MinidumpDescriptor 50 // with a valid path_, as getting its c_path_ would require the heap which 51 // can cause problems in compromised environments. 52 assert(descriptor.path_.empty()); 53 } 54 55 MinidumpDescriptor& MinidumpDescriptor::operator=( 56 const MinidumpDescriptor& descriptor) { 57 assert(descriptor.path_.empty()); 58 59 mode_ = descriptor.mode_; 60 fd_ = descriptor.fd_; 61 directory_ = descriptor.directory_; 62 path_.clear(); 63 if (c_path_) { 64 // This descriptor already had a path set, so generate a new one. 65 c_path_ = NULL; 66 UpdatePath(); 67 } 68 size_limit_ = descriptor.size_limit_; 69 microdump_extra_info_ = descriptor.microdump_extra_info_; 70 return *this; 71 } 72 73 void MinidumpDescriptor::UpdatePath() { 74 assert(mode_ == kWriteMinidumpToFile && !directory_.empty()); 75 76 GUID guid; 77 char guid_str[kGUIDStringLength + 1]; 78 if (!CreateGUID(&guid) || !GUIDToString(&guid, guid_str, sizeof(guid_str))) { 79 assert(false); 80 } 81 82 path_.clear(); 83 path_ = directory_ + "/" + guid_str + ".dmp"; 84 c_path_ = path_.c_str(); 85 } 86 87 } // namespace google_breakpad 88