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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /toolkit/crashreporter/google-breakpad/src/common/mac/file_id.cc | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/mac/file_id.cc')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/mac/file_id.cc | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/mac/file_id.cc b/toolkit/crashreporter/google-breakpad/src/common/mac/file_id.cc new file mode 100644 index 0000000000..4661d5d625 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/common/mac/file_id.cc @@ -0,0 +1,106 @@ +// Copyright (c) 2006, 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. + +// file_id.cc: Return a unique identifier for a file +// +// See file_id.h for documentation +// +// Author: Dan Waylonis + +#include <fcntl.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#include "common/mac/file_id.h" +#include "common/mac/macho_id.h" + +using MacFileUtilities::MachoID; + +namespace google_breakpad { + +FileID::FileID(const char *path) { + snprintf(path_, sizeof(path_), "%s", path); +} + +bool FileID::FileIdentifier(unsigned char identifier[16]) { + int fd = open(path_, O_RDONLY); + if (fd == -1) + return false; + + MD5Context md5; + MD5Init(&md5); + + // Read 4k x 2 bytes at a time. This is faster than just 4k bytes, but + // doesn't seem to be an unreasonable size for the stack. + unsigned char buffer[4096 * 2]; + size_t buffer_size = sizeof(buffer); + while ((buffer_size = read(fd, buffer, buffer_size) > 0)) { + MD5Update(&md5, buffer, static_cast<unsigned>(buffer_size)); + } + + close(fd); + MD5Final(identifier, &md5); + + return true; +} + +bool FileID::MachoIdentifier(cpu_type_t cpu_type, + cpu_subtype_t cpu_subtype, + unsigned char identifier[16]) { + MachoID macho(path_); + + if (macho.UUIDCommand(cpu_type, cpu_subtype, identifier)) + return true; + + return macho.MD5(cpu_type, cpu_subtype, identifier); +} + +// static +void FileID::ConvertIdentifierToString(const unsigned char identifier[16], + char *buffer, int buffer_length) { + int buffer_idx = 0; + for (int idx = 0; (buffer_idx < buffer_length) && (idx < 16); ++idx) { + int hi = (identifier[idx] >> 4) & 0x0F; + int lo = (identifier[idx]) & 0x0F; + + if (idx == 4 || idx == 6 || idx == 8 || idx == 10) + buffer[buffer_idx++] = '-'; + + buffer[buffer_idx++] = + static_cast<char>((hi >= 10) ? ('A' + hi - 10) : ('0' + hi)); + buffer[buffer_idx++] = + static_cast<char>((lo >= 10) ? ('A' + lo - 10) : ('0' + lo)); + } + + // NULL terminate + buffer[(buffer_idx < buffer_length) ? buffer_idx : buffer_idx - 1] = 0; +} + +} // namespace google_breakpad |