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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "components/nacl/loader/nacl_ipc_adapter.h" | 5 #include "components/nacl/loader/nacl_ipc_adapter.h" |
6 | 6 |
7 #include <limits.h> | 7 #include <limits.h> |
8 #include <string.h> | 8 #include <string.h> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/bind.h" | 11 #include "base/bind.h" |
12 #include "base/location.h" | 12 #include "base/location.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/memory/shared_memory.h" | 14 #include "base/memory/shared_memory.h" |
15 #include "base/task_runner_util.h" | 15 #include "base/task_runner_util.h" |
16 #include "base/tuple.h" | 16 #include "base/tuple.h" |
17 #include "build/build_config.h" | 17 #include "build/build_config.h" |
18 #include "ipc/ipc_channel.h" | 18 #include "ipc/ipc_channel.h" |
19 #include "ipc/ipc_platform_file.h" | 19 #include "ipc/ipc_platform_file.h" |
20 #include "native_client/src/public/nacl_desc.h" | 20 #include "native_client/src/public/nacl_desc.h" |
21 #include "native_client/src/public/nacl_desc_custom.h" | 21 #include "native_client/src/public/nacl_desc_custom.h" |
22 #include "native_client/src/trusted/desc/nacl_desc_base.h" | |
23 #include "native_client/src/trusted/desc/nacl_desc_imc_shm.h" | |
24 #include "native_client/src/trusted/desc/nacl_desc_io.h" | |
25 #include "native_client/src/trusted/desc/nacl_desc_quota.h" | 22 #include "native_client/src/trusted/desc/nacl_desc_quota.h" |
26 #include "native_client/src/trusted/desc/nacl_desc_quota_interface.h" | 23 #include "native_client/src/trusted/desc/nacl_desc_quota_interface.h" |
27 #include "native_client/src/trusted/desc/nacl_desc_sync_socket.h" | |
28 #include "native_client/src/trusted/service_runtime/include/sys/fcntl.h" | 24 #include "native_client/src/trusted/service_runtime/include/sys/fcntl.h" |
29 #include "ppapi/c/ppb_file_io.h" | 25 #include "ppapi/c/ppb_file_io.h" |
30 #include "ppapi/proxy/ppapi_messages.h" | 26 #include "ppapi/proxy/ppapi_messages.h" |
31 #include "ppapi/proxy/serialized_handle.h" | 27 #include "ppapi/proxy/serialized_handle.h" |
32 | 28 |
33 using ppapi::proxy::NaClMessageScanner; | 29 using ppapi::proxy::NaClMessageScanner; |
34 | 30 |
35 namespace { | 31 namespace { |
36 | 32 |
37 enum BufferSizeStatus { | 33 enum BufferSizeStatus { |
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562 iter->descriptor() | 558 iter->descriptor() |
563 #else | 559 #else |
564 iter->descriptor().fd | 560 iter->descriptor().fd |
565 #endif | 561 #endif |
566 ))); | 562 ))); |
567 break; | 563 break; |
568 } | 564 } |
569 case ppapi::proxy::SerializedHandle::FILE: { | 565 case ppapi::proxy::SerializedHandle::FILE: { |
570 // Create the NaClDesc for the file descriptor. If quota checking is | 566 // Create the NaClDesc for the file descriptor. If quota checking is |
571 // required, wrap it in a NaClDescQuota. | 567 // required, wrap it in a NaClDescQuota. |
572 NaClDesc* desc = NaClDescIoDescFromHandleAllocCtor( | 568 NaClDesc* desc = NaClDescIoMakeFromHandle( |
573 #if defined(OS_WIN) | 569 #if defined(OS_WIN) |
574 iter->descriptor(), | 570 iter->descriptor(), |
575 #else | 571 #else |
576 iter->descriptor().fd, | 572 iter->descriptor().fd, |
577 #endif | 573 #endif |
578 TranslatePepperFileReadWriteOpenFlags(iter->open_flags())); | 574 TranslatePepperFileReadWriteOpenFlags(iter->open_flags())); |
579 if (desc && iter->file_io()) { | 575 if (desc && iter->file_io()) { |
580 desc = MakeNaClDescQuota( | 576 desc = MakeNaClDescQuota( |
581 locked_data_.nacl_msg_scanner_.GetFile(iter->file_io()), | 577 locked_data_.nacl_msg_scanner_.GetFile(iter->file_io()), |
582 desc); | 578 desc); |
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641 // However, we must rewrite the message to clear the file tokens. | 637 // However, we must rewrite the message to clear the file tokens. |
642 base::PickleIterator iter = IPC::SyncMessage::GetDataIterator(&orig_msg); | 638 base::PickleIterator iter = IPC::SyncMessage::GetDataIterator(&orig_msg); |
643 ppapi::proxy::SerializedHandle sh; | 639 ppapi::proxy::SerializedHandle sh; |
644 | 640 |
645 // We know that this can be read safely; see the original read in | 641 // We know that this can be read safely; see the original read in |
646 // OnMessageReceived(). | 642 // OnMessageReceived(). |
647 CHECK(IPC::ReadParam(&orig_msg, &iter, &sh)); | 643 CHECK(IPC::ReadParam(&orig_msg, &iter, &sh)); |
648 scoped_ptr<IPC::Message> new_msg = CreateOpenResourceReply(orig_msg, sh); | 644 scoped_ptr<IPC::Message> new_msg = CreateOpenResourceReply(orig_msg, sh); |
649 | 645 |
650 scoped_ptr<NaClDescWrapper> desc_wrapper(new NaClDescWrapper( | 646 scoped_ptr<NaClDescWrapper> desc_wrapper(new NaClDescWrapper( |
651 NaClDescIoDescFromHandleAllocCtor( | 647 NaClDescIoMakeFromHandle( |
652 #if defined(OS_WIN) | 648 #if defined(OS_WIN) |
653 sh.descriptor(), | 649 sh.descriptor(), |
654 #else | 650 #else |
655 sh.descriptor().fd, | 651 sh.descriptor().fd, |
656 #endif | 652 #endif |
657 NACL_ABI_O_RDONLY))); | 653 NACL_ABI_O_RDONLY))); |
658 | 654 |
659 scoped_refptr<RewrittenMessage> rewritten_msg(new RewrittenMessage); | 655 scoped_refptr<RewrittenMessage> rewritten_msg(new RewrittenMessage); |
660 rewritten_msg->AddDescriptor(desc_wrapper.release()); | 656 rewritten_msg->AddDescriptor(desc_wrapper.release()); |
661 { | 657 { |
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830 header.flags = msg.flags(); | 826 header.flags = msg.flags(); |
831 header.num_fds = static_cast<uint16>(rewritten_msg->desc_count()); | 827 header.num_fds = static_cast<uint16>(rewritten_msg->desc_count()); |
832 | 828 |
833 rewritten_msg->SetData(header, msg.payload(), msg.payload_size()); | 829 rewritten_msg->SetData(header, msg.payload(), msg.payload_size()); |
834 locked_data_.to_be_received_.push(rewritten_msg); | 830 locked_data_.to_be_received_.push(rewritten_msg); |
835 } | 831 } |
836 | 832 |
837 int TranslatePepperFileReadWriteOpenFlagsForTesting(int32_t pp_open_flags) { | 833 int TranslatePepperFileReadWriteOpenFlagsForTesting(int32_t pp_open_flags) { |
838 return TranslatePepperFileReadWriteOpenFlags(pp_open_flags); | 834 return TranslatePepperFileReadWriteOpenFlags(pp_open_flags); |
839 } | 835 } |
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