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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/mach/child_port_handshake.h" | 15 #include "util/mach/child_port_handshake.h" |
16 | 16 |
17 #include <errno.h> | 17 #include <errno.h> |
18 #include <pthread.h> | 18 #include <pthread.h> |
19 #include <sys/event.h> | 19 #include <sys/event.h> |
20 #include <sys/socket.h> | 20 #include <sys/socket.h> |
21 #include <sys/time.h> | 21 #include <sys/time.h> |
22 #include <sys/types.h> | 22 #include <sys/types.h> |
23 #include <unistd.h> | 23 #include <unistd.h> |
24 | 24 |
25 #include <algorithm> | 25 #include <algorithm> |
| 26 #include <utility> |
26 | 27 |
27 #include "base/logging.h" | 28 #include "base/logging.h" |
28 #include "base/mac/mach_logging.h" | 29 #include "base/mac/mach_logging.h" |
29 #include "base/mac/scoped_mach_port.h" | 30 #include "base/mac/scoped_mach_port.h" |
30 #include "base/posix/eintr_wrapper.h" | 31 #include "base/posix/eintr_wrapper.h" |
31 #include "base/rand_util.h" | 32 #include "base/rand_util.h" |
32 #include "base/strings/stringprintf.h" | 33 #include "base/strings/stringprintf.h" |
33 #include "util/file/file_io.h" | 34 #include "util/file/file_io.h" |
34 #include "util/mach/child_port.h" | 35 #include "util/mach/child_port.h" |
35 #include "util/mach/child_port_server.h" | 36 #include "util/mach/child_port_server.h" |
36 #include "util/mach/mach_extensions.h" | 37 #include "util/mach/mach_extensions.h" |
37 #include "util/mach/mach_message.h" | 38 #include "util/mach/mach_message.h" |
38 #include "util/mach/mach_message_server.h" | 39 #include "util/mach/mach_message_server.h" |
39 #include "util/misc/implicit_cast.h" | 40 #include "util/misc/implicit_cast.h" |
40 #include "util/stdlib/move.h" | |
41 #include "util/misc/random_string.h" | 41 #include "util/misc/random_string.h" |
42 | 42 |
43 namespace crashpad { | 43 namespace crashpad { |
44 namespace { | 44 namespace { |
45 | 45 |
46 class ChildPortHandshakeServer final : public ChildPortServer::Interface { | 46 class ChildPortHandshakeServer final : public ChildPortServer::Interface { |
47 public: | 47 public: |
48 ChildPortHandshakeServer(); | 48 ChildPortHandshakeServer(); |
49 ~ChildPortHandshakeServer(); | 49 ~ChildPortHandshakeServer(); |
50 | 50 |
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346 SO_NOSIGPIPE, | 346 SO_NOSIGPIPE, |
347 &value, | 347 &value, |
348 sizeof(value)) == 0) << "setsockopt"; | 348 sizeof(value)) == 0) << "setsockopt"; |
349 } | 349 } |
350 | 350 |
351 ChildPortHandshake::~ChildPortHandshake() { | 351 ChildPortHandshake::~ChildPortHandshake() { |
352 } | 352 } |
353 | 353 |
354 base::ScopedFD ChildPortHandshake::ClientReadFD() { | 354 base::ScopedFD ChildPortHandshake::ClientReadFD() { |
355 DCHECK(client_read_fd_.is_valid()); | 355 DCHECK(client_read_fd_.is_valid()); |
356 return crashpad::move(client_read_fd_); | 356 return std::move(client_read_fd_); |
357 } | 357 } |
358 | 358 |
359 base::ScopedFD ChildPortHandshake::ServerWriteFD() { | 359 base::ScopedFD ChildPortHandshake::ServerWriteFD() { |
360 DCHECK(server_write_fd_.is_valid()); | 360 DCHECK(server_write_fd_.is_valid()); |
361 return crashpad::move(server_write_fd_); | 361 return std::move(server_write_fd_); |
362 } | 362 } |
363 | 363 |
364 mach_port_t ChildPortHandshake::RunServer(PortRightType port_right_type) { | 364 mach_port_t ChildPortHandshake::RunServer(PortRightType port_right_type) { |
365 client_read_fd_.reset(); | 365 client_read_fd_.reset(); |
366 return RunServerForFD(crashpad::move(server_write_fd_), port_right_type); | 366 return RunServerForFD(std::move(server_write_fd_), port_right_type); |
367 } | 367 } |
368 | 368 |
369 bool ChildPortHandshake::RunClient(mach_port_t port, | 369 bool ChildPortHandshake::RunClient(mach_port_t port, |
370 mach_msg_type_name_t right_type) { | 370 mach_msg_type_name_t right_type) { |
371 server_write_fd_.reset(); | 371 server_write_fd_.reset(); |
372 return RunClientForFD(crashpad::move(client_read_fd_), port, right_type); | 372 return RunClientForFD(std::move(client_read_fd_), port, right_type); |
373 } | 373 } |
374 | 374 |
375 // static | 375 // static |
376 mach_port_t ChildPortHandshake::RunServerForFD(base::ScopedFD server_write_fd, | 376 mach_port_t ChildPortHandshake::RunServerForFD(base::ScopedFD server_write_fd, |
377 PortRightType port_right_type) { | 377 PortRightType port_right_type) { |
378 ChildPortHandshakeServer server; | 378 ChildPortHandshakeServer server; |
379 return server.RunServer(crashpad::move(server_write_fd), port_right_type); | 379 return server.RunServer(std::move(server_write_fd), port_right_type); |
380 } | 380 } |
381 | 381 |
382 // static | 382 // static |
383 bool ChildPortHandshake::RunClientForFD(base::ScopedFD client_read_fd, | 383 bool ChildPortHandshake::RunClientForFD(base::ScopedFD client_read_fd, |
384 mach_port_t port, | 384 mach_port_t port, |
385 mach_msg_type_name_t right_type) { | 385 mach_msg_type_name_t right_type) { |
386 DCHECK(client_read_fd.is_valid()); | 386 DCHECK(client_read_fd.is_valid()); |
387 | 387 |
388 // Read the token and the service name from the read side of the pipe. | 388 // Read the token and the service name from the read side of the pipe. |
389 child_port_token_t token; | 389 child_port_token_t token; |
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441 server_port.get(), token, port, right_type); | 441 server_port.get(), token, port, right_type); |
442 if (kr != KERN_SUCCESS) { | 442 if (kr != KERN_SUCCESS) { |
443 MACH_LOG(ERROR, kr) << "child_port_check_in"; | 443 MACH_LOG(ERROR, kr) << "child_port_check_in"; |
444 return false; | 444 return false; |
445 } | 445 } |
446 | 446 |
447 return true; | 447 return true; |
448 } | 448 } |
449 | 449 |
450 } // namespace crashpad | 450 } // namespace crashpad |
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