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Added support for running crashpad that is embedded inside a dll

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This code was merged from chromium commit:
6a2d5519c69e195e584055b186789b7f760c9703

Implement crashpad support for GCPW

- Implements crashpad support for GCPW installer
- Implements crashpad support for the actual credential provider dll
and runs the crashpad handler directly in the dll as an entry point

Bug: 890348
Change-Id: I5b256b4d6ad8ee7153fd22e4d13f1a1791fa6d65
Reviewed-on: https://chromium-review.googlesource.com/c/1344210
Commit-Queue: Tien Mai <tienmai@chromium.org>
Reviewed-by: Greg Thompson <grt@chromium.org>
Reviewed-by: Roger Tawa <rogerta@chromium.org>
Reviewed-by: Scott Graham <scottmg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611187}
Message-Id: Merged from chromium 6a2d5519c69e195e584055b186789b7f760c9703
Reviewed-on: https://chromium-review.googlesource.com/c/1358731
Commit-Queue: Scott Graham <scottmg@chromium.org>
This commit is contained in:
Tien Mai 2018-12-03 09:28:09 -05:00 committed by Commit Bot
parent c56557ae4a
commit 109bece2c3
1 changed files with 32 additions and 15 deletions
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23
client/crashpad_client_win.cc
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@ -15,6 +15,7 @@
#include "client/crashpad_client.h"
#include <windows.h>
#include <signal.h>
#include <stdint.h>
#include <string.h>
@ -93,8 +94,7 @@ base::subtle::AtomicWord g_handler_startup_state;
CRITICAL_SECTION g_critical_section_with_debug_info;
void SetHandlerStartupState(StartupState state) {
DCHECK(state == StartupState::kSucceeded ||
state == StartupState::kFailed);
DCHECK(state == StartupState::kSucceeded || state == StartupState::kFailed);
base::subtle::Acquire_Store(&g_handler_startup_state,
static_cast<base::subtle::AtomicWord>(state));
}
@ -476,8 +476,25 @@ bool StartHandlerProcess(
}
}
// If the embedded crashpad handler is being started via an entry point in a
// DLL (the handler executable is rundll32.exe), then don't pass
// the application name to CreateProcess as this appears to generate an
// invalid command line where the first argument needed by rundll32 is not in
// the correct format as required in:
// https://support.microsoft.com/en-ca/help/164787/info-windows-rundll-and-rundll32-interface
const base::StringPiece16 kRunDll32Exe(L"rundll32.exe");
bool is_embedded_in_dll = false;
if (data->handler.value().size() >= kRunDll32Exe.size() &&
_wcsicmp(data->handler.value()
.substr(data->handler.value().size() - kRunDll32Exe.size())
.c_str(),
kRunDll32Exe.data()) == 0) {
is_embedded_in_dll = true;
}
PROCESS_INFORMATION process_info;
rv = CreateProcess(data->handler.value().c_str(),
rv = CreateProcess(
is_embedded_in_dll ? nullptr : data->handler.value().c_str(),
&command_line[0],
nullptr,
nullptr,