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// Copyright (c) 2012 Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdio.h>
#include "linux/handler/guid_generator.h"
#include "linux/handler/minidump_descriptor.h"
namespace google_breakpad {
//static
const MinidumpDescriptor::MicrodumpOnConsole
MinidumpDescriptor::kMicrodumpOnConsole = {};
MinidumpDescriptor::MinidumpDescriptor(const MinidumpDescriptor& descriptor)
: mode_(descriptor.mode_),
fd_(descriptor.fd_),
directory_(descriptor.directory_),
c_path_(NULL),
size_limit_(descriptor.size_limit_),
address_within_principal_mapping_(
descriptor.address_within_principal_mapping_),
skip_dump_if_principal_mapping_not_referenced_(
descriptor.skip_dump_if_principal_mapping_not_referenced_),
sanitize_stacks_(descriptor.sanitize_stacks_),
microdump_extra_info_(descriptor.microdump_extra_info_) {
// The copy constructor is not allowed to be called on a MinidumpDescriptor
// with a valid path_, as getting its c_path_ would require the heap which
// can cause problems in compromised environments.
assert(descriptor.path_.empty());
}
MinidumpDescriptor& MinidumpDescriptor::operator=(
const MinidumpDescriptor& descriptor) {
assert(descriptor.path_.empty());
mode_ = descriptor.mode_;
fd_ = descriptor.fd_;
directory_ = descriptor.directory_;
path_.clear();
if (c_path_) {
// This descriptor already had a path set, so generate a new one.
c_path_ = NULL;
UpdatePath();
}
size_limit_ = descriptor.size_limit_;
address_within_principal_mapping_ =
descriptor.address_within_principal_mapping_;
skip_dump_if_principal_mapping_not_referenced_ =
descriptor.skip_dump_if_principal_mapping_not_referenced_;
sanitize_stacks_ = descriptor.sanitize_stacks_;
microdump_extra_info_ = descriptor.microdump_extra_info_;
return *this;
}
void MinidumpDescriptor::UpdatePath() {
assert(mode_ == kWriteMinidumpToFile && !directory_.empty());
GUID guid;
char guid_str[kGUIDStringLength + 1];
if (!CreateGUID(&guid) || !GUIDToString(&guid, guid_str, sizeof(guid_str))) {
assert(false);
}
path_.clear();
path_ = directory_ + "/" + guid_str + ".dmp";
c_path_ = path_.c_str();
}
} // namespace google_breakpad