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1 // Copyright 2014 The Crashpad Authors. All rights reserved. | 1 // Copyright 2014 The Crashpad Authors. All rights reserved. |
2 // | 2 // |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
6 // | 6 // |
7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
8 // | 8 // |
9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 // See the License for the specific language governing permissions and | 12 // See the License for the specific language governing permissions and |
13 // limitations under the License. | 13 // limitations under the License. |
14 | 14 |
15 #include "util/file/file_io.h" | 15 #include "util/file/file_io.h" |
16 | 16 |
17 #include "base/files/file_path.h" | 17 #include "base/files/file_path.h" |
18 #include "base/logging.h" | 18 #include "base/logging.h" |
19 #include "base/numerics/safe_conversions.h" | 19 #include "base/numerics/safe_conversions.h" |
| 20 #include "base/strings/utf_string_conversions.h" |
20 | 21 |
21 namespace { | 22 namespace { |
22 | 23 |
23 bool IsSocketHandle(HANDLE file) { | 24 bool IsSocketHandle(HANDLE file) { |
24 if (GetFileType(file) == FILE_TYPE_PIPE) { | 25 if (GetFileType(file) == FILE_TYPE_PIPE) { |
25 // FILE_TYPE_PIPE means that it's a socket, a named pipe, or an anonymous | 26 // FILE_TYPE_PIPE means that it's a socket, a named pipe, or an anonymous |
26 // pipe. If we are unable to retrieve the pipe information, we know it's a | 27 // pipe. If we are unable to retrieve the pipe information, we know it's a |
27 // socket. | 28 // socket. |
28 return !GetNamedPipeInfo(file, NULL, NULL, NULL, NULL); | 29 return !GetNamedPipeInfo(file, NULL, NULL, NULL, NULL); |
29 } | 30 } |
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52 disposition = CREATE_NEW; | 53 disposition = CREATE_NEW; |
53 break; | 54 break; |
54 } | 55 } |
55 HANDLE file = CreateFile(path.value().c_str(), | 56 HANDLE file = CreateFile(path.value().c_str(), |
56 access, | 57 access, |
57 FILE_SHARE_READ | FILE_SHARE_WRITE, | 58 FILE_SHARE_READ | FILE_SHARE_WRITE, |
58 nullptr, | 59 nullptr, |
59 disposition, | 60 disposition, |
60 FILE_ATTRIBUTE_NORMAL, | 61 FILE_ATTRIBUTE_NORMAL, |
61 nullptr); | 62 nullptr); |
62 PLOG_IF(ERROR, file == INVALID_HANDLE_VALUE) << "CreateFile " | 63 PLOG_IF(ERROR, file == INVALID_HANDLE_VALUE) |
63 << path.value().c_str(); | 64 << "CreateFile " << base::UTF16ToUTF8(path.value()); |
64 return file; | 65 return file; |
65 } | 66 } |
66 | 67 |
67 } // namespace | 68 } // namespace |
68 | 69 |
69 // TODO(scottmg): Handle > DWORD sized writes if necessary. | 70 // TODO(scottmg): Handle > DWORD sized writes if necessary. |
70 | 71 |
71 ssize_t ReadFile(FileHandle file, void* buffer, size_t size) { | 72 ssize_t ReadFile(FileHandle file, void* buffer, size_t size) { |
72 DCHECK(!IsSocketHandle(file)); | 73 DCHECK(!IsSocketHandle(file)); |
73 DWORD size_dword = base::checked_cast<DWORD>(size); | 74 DWORD size_dword = base::checked_cast<DWORD>(size); |
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112 } | 113 } |
113 | 114 |
114 FileHandle LoggingOpenFileForRead(const base::FilePath& path) { | 115 FileHandle LoggingOpenFileForRead(const base::FilePath& path) { |
115 HANDLE file = CreateFile(path.value().c_str(), | 116 HANDLE file = CreateFile(path.value().c_str(), |
116 GENERIC_READ, | 117 GENERIC_READ, |
117 FILE_SHARE_READ | FILE_SHARE_WRITE, | 118 FILE_SHARE_READ | FILE_SHARE_WRITE, |
118 nullptr, | 119 nullptr, |
119 OPEN_EXISTING, | 120 OPEN_EXISTING, |
120 0, | 121 0, |
121 nullptr); | 122 nullptr); |
122 PLOG_IF(ERROR, file == INVALID_HANDLE_VALUE) << "CreateFile " | 123 PLOG_IF(ERROR, file == INVALID_HANDLE_VALUE) |
123 << path.value().c_str(); | 124 << "CreateFile " << base::UTF16ToUTF8(path.value()); |
124 return file; | 125 return file; |
125 } | 126 } |
126 | 127 |
127 FileHandle LoggingOpenFileForWrite(const base::FilePath& path, | 128 FileHandle LoggingOpenFileForWrite(const base::FilePath& path, |
128 FileWriteMode mode, | 129 FileWriteMode mode, |
129 FilePermissions permissions) { | 130 FilePermissions permissions) { |
130 return LoggingOpenFileForOutput(GENERIC_WRITE, path, mode, permissions); | 131 return LoggingOpenFileForOutput(GENERIC_WRITE, path, mode, permissions); |
131 } | 132 } |
132 | 133 |
133 FileHandle LoggingOpenFileForReadAndWrite(const base::FilePath& path, | 134 FileHandle LoggingOpenFileForReadAndWrite(const base::FilePath& path, |
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202 return true; | 203 return true; |
203 } | 204 } |
204 | 205 |
205 bool LoggingCloseFile(FileHandle file) { | 206 bool LoggingCloseFile(FileHandle file) { |
206 BOOL rv = CloseHandle(file); | 207 BOOL rv = CloseHandle(file); |
207 PLOG_IF(ERROR, !rv) << "CloseHandle"; | 208 PLOG_IF(ERROR, !rv) << "CloseHandle"; |
208 return rv; | 209 return rv; |
209 } | 210 } |
210 | 211 |
211 } // namespace crashpad | 212 } // namespace crashpad |
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