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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "sandbox/linux/services/broker_process.h" | 5 #include "sandbox/linux/services/broker_process.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <sys/stat.h> | 9 #include <sys/stat.h> |
10 #include <sys/types.h> | 10 #include <sys/types.h> |
11 #include <sys/wait.h> | 11 #include <sys/wait.h> |
12 #include <unistd.h> | 12 #include <unistd.h> |
13 | 13 |
14 #include <string> | 14 #include <string> |
15 #include <vector> | 15 #include <vector> |
16 | 16 |
17 #include "base/basictypes.h" | 17 #include "base/basictypes.h" |
18 #include "base/bind.h" | 18 #include "base/bind.h" |
19 #include "base/file_util.h" | 19 #include "base/file_util.h" |
20 #include "base/files/scoped_file.h" | |
21 #include "base/logging.h" | 20 #include "base/logging.h" |
22 #include "base/memory/scoped_ptr.h" | 21 #include "base/memory/scoped_ptr.h" |
23 #include "base/posix/eintr_wrapper.h" | 22 #include "base/posix/eintr_wrapper.h" |
24 #include "sandbox/linux/tests/test_utils.h" | 23 #include "sandbox/linux/tests/test_utils.h" |
25 #include "sandbox/linux/tests/unit_tests.h" | 24 #include "sandbox/linux/tests/unit_tests.h" |
26 #include "testing/gtest/include/gtest/gtest.h" | 25 #include "testing/gtest/include/gtest/gtest.h" |
27 | 26 |
| 27 using file_util::ScopedFD; |
| 28 |
28 namespace sandbox { | 29 namespace sandbox { |
29 | 30 |
30 namespace { | 31 namespace { |
31 | 32 |
32 // Creates and open a temporary file on creation and closes | 33 // Creates and open a temporary file on creation and closes |
33 // and removes it on destruction. | 34 // and removes it on destruction. |
34 // Unlike base/ helpers, this does not require JNI on Android. | 35 // Unlike base/ helpers, this does not require JNI on Android. |
35 class ScopedTemporaryFile { | 36 class ScopedTemporaryFile { |
36 public: | 37 public: |
37 ScopedTemporaryFile() | 38 ScopedTemporaryFile() |
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261 const char kFileCpuInfo[] = "/proc/cpuinfo"; | 262 const char kFileCpuInfo[] = "/proc/cpuinfo"; |
262 std::vector<std::string> read_whitelist; | 263 std::vector<std::string> read_whitelist; |
263 read_whitelist.push_back(kFileCpuInfo); | 264 read_whitelist.push_back(kFileCpuInfo); |
264 | 265 |
265 scoped_ptr<BrokerProcess> open_broker(new BrokerProcess( | 266 scoped_ptr<BrokerProcess> open_broker(new BrokerProcess( |
266 EPERM, read_whitelist, std::vector<std::string>(), fast_check_in_client)); | 267 EPERM, read_whitelist, std::vector<std::string>(), fast_check_in_client)); |
267 ASSERT_TRUE(open_broker->Init(base::Bind(&NoOpCallback))); | 268 ASSERT_TRUE(open_broker->Init(base::Bind(&NoOpCallback))); |
268 | 269 |
269 int fd = -1; | 270 int fd = -1; |
270 fd = open_broker->Open(kFileCpuInfo, O_RDWR); | 271 fd = open_broker->Open(kFileCpuInfo, O_RDWR); |
271 base::ScopedFD fd_closer(fd); | 272 ScopedFD fd_closer(&fd); |
272 ASSERT_EQ(fd, -EPERM); | 273 ASSERT_EQ(fd, -EPERM); |
273 | 274 |
274 // Check we can read /proc/cpuinfo. | 275 // Check we can read /proc/cpuinfo. |
275 int can_access = open_broker->Access(kFileCpuInfo, R_OK); | 276 int can_access = open_broker->Access(kFileCpuInfo, R_OK); |
276 ASSERT_EQ(can_access, 0); | 277 ASSERT_EQ(can_access, 0); |
277 can_access = open_broker->Access(kFileCpuInfo, W_OK); | 278 can_access = open_broker->Access(kFileCpuInfo, W_OK); |
278 ASSERT_EQ(can_access, -EPERM); | 279 ASSERT_EQ(can_access, -EPERM); |
279 // Check we can not write /proc/cpuinfo. | 280 // Check we can not write /proc/cpuinfo. |
280 | 281 |
281 // Open cpuinfo via the broker. | 282 // Open cpuinfo via the broker. |
282 int cpuinfo_fd = open_broker->Open(kFileCpuInfo, O_RDONLY); | 283 int cpuinfo_fd = open_broker->Open(kFileCpuInfo, O_RDONLY); |
283 base::ScopedFD cpuinfo_fd_closer(cpuinfo_fd); | 284 ScopedFD cpuinfo_fd_closer(&cpuinfo_fd); |
284 ASSERT_GE(cpuinfo_fd, 0); | 285 ASSERT_GE(cpuinfo_fd, 0); |
285 char buf[3]; | 286 char buf[3]; |
286 memset(buf, 0, sizeof(buf)); | 287 memset(buf, 0, sizeof(buf)); |
287 int read_len1 = read(cpuinfo_fd, buf, sizeof(buf)); | 288 int read_len1 = read(cpuinfo_fd, buf, sizeof(buf)); |
288 ASSERT_GT(read_len1, 0); | 289 ASSERT_GT(read_len1, 0); |
289 | 290 |
290 // Open cpuinfo directly. | 291 // Open cpuinfo directly. |
291 int cpuinfo_fd2 = open(kFileCpuInfo, O_RDONLY); | 292 int cpuinfo_fd2 = open(kFileCpuInfo, O_RDONLY); |
292 base::ScopedFD cpuinfo_fd2_closer(cpuinfo_fd2); | 293 ScopedFD cpuinfo_fd2_closer(&cpuinfo_fd2); |
293 ASSERT_GE(cpuinfo_fd2, 0); | 294 ASSERT_GE(cpuinfo_fd2, 0); |
294 char buf2[3]; | 295 char buf2[3]; |
295 memset(buf2, 1, sizeof(buf2)); | 296 memset(buf2, 1, sizeof(buf2)); |
296 int read_len2 = read(cpuinfo_fd2, buf2, sizeof(buf2)); | 297 int read_len2 = read(cpuinfo_fd2, buf2, sizeof(buf2)); |
297 ASSERT_GT(read_len1, 0); | 298 ASSERT_GT(read_len1, 0); |
298 | 299 |
299 // The following is not guaranteed true, but will be in practice. | 300 // The following is not guaranteed true, but will be in practice. |
300 ASSERT_EQ(read_len1, read_len2); | 301 ASSERT_EQ(read_len1, read_len2); |
301 // Compare the cpuinfo as returned by the broker with the one we opened | 302 // Compare the cpuinfo as returned by the broker with the one we opened |
302 // ourselves. | 303 // ourselves. |
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428 // expected. | 429 // expected. |
429 } | 430 } |
430 | 431 |
431 TEST(BrokerProcess, OpenComplexFlagsNoClientCheck) { | 432 TEST(BrokerProcess, OpenComplexFlagsNoClientCheck) { |
432 TestOpenComplexFlags(false /* fast_check_in_client */); | 433 TestOpenComplexFlags(false /* fast_check_in_client */); |
433 // Don't do anything here, so that ASSERT works in the subfunction as | 434 // Don't do anything here, so that ASSERT works in the subfunction as |
434 // expected. | 435 // expected. |
435 } | 436 } |
436 | 437 |
437 } // namespace sandbox | 438 } // namespace sandbox |
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