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chore: cherry-pick 62142d222a80 from chromium (#33184)
* chore: cherry-pick 62142d222a80 from chromium * chore: update patches Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com> Co-authored-by: Electron Bot <electron@github.com>
This commit is contained in:
@@ -150,5 +150,6 @@ cherry-pick-0081bb347e67.patch
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cleanup_pausablecriptexecutor_usage.patch
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cherry-pick-ebc188ad769e.patch
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cherry-pick-1277917.patch
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cherry-pick-62142d222a80.patch
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cherry-pick-1887414c016d.patch
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cherry-pick-6b2643846ae3.patch
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151
patches/chromium/cherry-pick-62142d222a80.patch
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151
patches/chromium/cherry-pick-62142d222a80.patch
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@@ -0,0 +1,151 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Ken Rockot <rockot@google.com>
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Date: Thu, 24 Feb 2022 15:13:13 +0000
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Subject: Validate message headers sooner
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M96 merge issues:
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- multiplex_router.h: conflict in removed lines because of
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differences in comments above header_validator_
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- connector.h: conflicting includes
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Message header validation has been tied to interface message dispatch,
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but not all mojo::Message consumers are interface bindings.
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mojo::Connector is a more general-purpose entry point through which
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incoming messages are received and transformed into mojo::Message
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objects. Blink's MessagePort implementation uses Connector directly to
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transmit and receive raw serialized object data.
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This change moves MessageHeaderValidator ownership into Connector and
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always applies its validation immediately after reading a message from
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the pipe, thereby ensuring that all mojo::Message objects used in
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production have validated headers before use.
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(cherry picked from commit 8d5bc69146505785ce299c490e35e3f3ef19f69c)
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Fixed: 1281908
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Change-Id: Ie0e251ab04681a4fd4b849d82c247e0ed800dc04
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Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3462461
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Commit-Queue: Ken Rockot <rockot@google.com>
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Cr-Original-Commit-Position: refs/heads/main@{#971263}
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Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3483815
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Reviewed-by: Victor-Gabriel Savu <vsavu@google.com>
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Owners-Override: Victor-Gabriel Savu <vsavu@google.com>
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Commit-Queue: Roger Felipe Zanoni da Silva <rzanoni@google.com>
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Cr-Commit-Position: refs/branch-heads/4664@{#1505}
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Cr-Branched-From: 24dc4ee75e01a29d390d43c9c264372a169273a7-refs/heads/main@{#929512}
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diff --git a/mojo/public/cpp/bindings/connector.h b/mojo/public/cpp/bindings/connector.h
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index 3975d01a434d6caf229c6d8eaedfe5e2acf684f8..ff17af9b378a1992dbd681e80e957826ebfd83dd 100644
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--- a/mojo/public/cpp/bindings/connector.h
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+++ b/mojo/public/cpp/bindings/connector.h
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@@ -18,6 +18,7 @@
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#include "base/sequenced_task_runner.h"
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#include "mojo/public/cpp/bindings/connection_group.h"
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#include "mojo/public/cpp/bindings/message.h"
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+#include "mojo/public/cpp/bindings/message_header_validator.h"
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#include "mojo/public/cpp/bindings/sync_handle_watcher.h"
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#include "mojo/public/cpp/system/core.h"
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#include "mojo/public/cpp/system/handle_signal_tracker.h"
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@@ -345,6 +346,8 @@ class COMPONENT_EXPORT(MOJO_CPP_BINDINGS) Connector : public MessageReceiver {
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// The number of pending tasks for |CallDispatchNextMessageFromPipe|.
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size_t num_pending_dispatch_tasks_ = 0;
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+ MessageHeaderValidator header_validator_;
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+
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#if defined(ENABLE_IPC_FUZZER)
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std::unique_ptr<MessageReceiver> message_dumper_;
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#endif
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diff --git a/mojo/public/cpp/bindings/lib/connector.cc b/mojo/public/cpp/bindings/lib/connector.cc
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index 92a9756cbaebe12377e9c9b81467260c73528311..cb08f13b1bfa13a1a79f7f39005f826e51c12a69 100644
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--- a/mojo/public/cpp/bindings/lib/connector.cc
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+++ b/mojo/public/cpp/bindings/lib/connector.cc
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@@ -19,6 +19,7 @@
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#include "base/rand_util.h"
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#include "base/run_loop.h"
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#include "base/strings/strcat.h"
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+#include "base/strings/string_util.h"
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#include "base/synchronization/lock.h"
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#include "base/task/current_thread.h"
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#include "base/threading/sequence_local_storage_slot.h"
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@@ -152,7 +153,11 @@ Connector::Connector(ScopedMessagePipeHandle message_pipe,
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force_immediate_dispatch_(!EnableTaskPerMessage()),
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outgoing_serialization_mode_(g_default_outgoing_serialization_mode),
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incoming_serialization_mode_(g_default_incoming_serialization_mode),
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- interface_name_(interface_name) {
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+ interface_name_(interface_name),
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+ header_validator_(
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+ base::JoinString({interface_name ? interface_name : "Generic",
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+ "MessageHeaderValidator"},
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+ "")) {
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if (config == MULTI_THREADED_SEND)
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lock_.emplace();
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@@ -492,6 +497,7 @@ MojoResult Connector::ReadMessage(Message* message) {
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return result;
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*message = Message::CreateFromMessageHandle(&handle);
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+
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if (message->IsNull()) {
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// Even if the read was successful, the Message may still be null if there
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// was a problem extracting handles from it. We treat this essentially as
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@@ -507,6 +513,10 @@ MojoResult Connector::ReadMessage(Message* message) {
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return MOJO_RESULT_ABORTED;
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}
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+ if (!header_validator_.Accept(message)) {
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+ return MOJO_RESULT_ABORTED;
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+ }
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+
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return MOJO_RESULT_OK;
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}
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diff --git a/mojo/public/cpp/bindings/lib/multiplex_router.cc b/mojo/public/cpp/bindings/lib/multiplex_router.cc
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index 605e51344d64eb5ede3ab475bc8833b37a458535..23e3970089e33d07b18d734d4f599c9c9f9e4bc8 100644
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--- a/mojo/public/cpp/bindings/lib/multiplex_router.cc
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+++ b/mojo/public/cpp/bindings/lib/multiplex_router.cc
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@@ -23,7 +23,6 @@
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#include "mojo/public/cpp/bindings/interface_endpoint_controller.h"
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#include "mojo/public/cpp/bindings/lib/may_auto_lock.h"
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#include "mojo/public/cpp/bindings/lib/message_quota_checker.h"
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-#include "mojo/public/cpp/bindings/message_header_validator.h"
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#include "mojo/public/cpp/bindings/sequence_local_sync_event_watcher.h"
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namespace mojo {
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@@ -389,14 +388,7 @@ MultiplexRouter::MultiplexRouter(
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if (quota_checker)
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connector_.SetMessageQuotaChecker(std::move(quota_checker));
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- std::unique_ptr<MessageHeaderValidator> header_validator =
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- std::make_unique<MessageHeaderValidator>();
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- header_validator_ = header_validator.get();
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- dispatcher_.SetValidator(std::move(header_validator));
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-
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if (primary_interface_name) {
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- header_validator_->SetDescription(base::JoinString(
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- {primary_interface_name, "[primary] MessageHeaderValidator"}, " "));
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control_message_handler_.SetDescription(base::JoinString(
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{primary_interface_name, "[primary] PipeControlMessageHandler"}, " "));
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}
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diff --git a/mojo/public/cpp/bindings/lib/multiplex_router.h b/mojo/public/cpp/bindings/lib/multiplex_router.h
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index 3d3bbb16e25b1adc678e536bd977fa22fc478920..3a9f76a57e301aa89d1bdc5aa1000f815793e238 100644
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--- a/mojo/public/cpp/bindings/lib/multiplex_router.h
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+++ b/mojo/public/cpp/bindings/lib/multiplex_router.h
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@@ -38,7 +38,6 @@ class SequencedTaskRunner;
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namespace mojo {
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class AsyncFlusher;
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-class MessageHeaderValidator;
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class PendingFlush;
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namespace internal {
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@@ -301,9 +300,6 @@ class COMPONENT_EXPORT(MOJO_CPP_BINDINGS) MultiplexRouter
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scoped_refptr<base::SequencedTaskRunner> task_runner_;
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- // Owned by |dispatcher_| below.
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- MessageHeaderValidator* header_validator_ = nullptr;
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-
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MessageDispatcher dispatcher_;
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Connector connector_;
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