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