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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#include "SandboxTestingChild.h"
#include "SandboxTestingThread.h"
#include "nsXULAppAPI.h"
#ifdef XP_UNIX
# include <fcntl.h>
# include <sys/stat.h>
# include <sys/types.h>
# include <time.h>
# include <unistd.h>
#endif
namespace mozilla {
SandboxTestingChild* SandboxTestingChild::sInstance = nullptr;
bool SandboxTestingChild::IsTestThread() { return mThread->IsOnThread(); }
void SandboxTestingChild::PostToTestThread(
already_AddRefed<nsIRunnable>&& runnable) {
mThread->Dispatch(std::move(runnable));
}
/* static */
bool SandboxTestingChild::Initialize(
Endpoint<PSandboxTestingChild>&& aSandboxTestingEndpoint) {
MOZ_ASSERT(!sInstance);
SandboxTestingThread* thread = SandboxTestingThread::Create();
if (!thread) {
return false;
}
sInstance =
new SandboxTestingChild(thread, std::move(aSandboxTestingEndpoint));
return true;
}
/* static */
SandboxTestingChild* SandboxTestingChild::GetInstance() {
MOZ_ASSERT(sInstance, "Must initialize SandboxTestingChild before using it");
return sInstance;
}
SandboxTestingChild::SandboxTestingChild(
SandboxTestingThread* aThread, Endpoint<PSandboxTestingChild>&& aEndpoint)
: mThread(aThread) {
MOZ_ASSERT(aThread);
PostToTestThread(NewNonOwningRunnableMethod<Endpoint<PSandboxTestingChild>&&>(
"SandboxTestingChild::Bind", this, &SandboxTestingChild::Bind,
std::move(aEndpoint)));
}
void SandboxTestingChild::Bind(Endpoint<PSandboxTestingChild>&& aEndpoint) {
MOZ_RELEASE_ASSERT(mThread->IsOnThread());
DebugOnly<bool> ok = aEndpoint.Bind(this);
MOZ_ASSERT(ok);
if (XRE_IsContentProcess()) {
#ifdef XP_UNIX
struct stat st;
static const char kAllowedPath[] = "/usr/lib";
ErrnoTest("fstatat_as_stat"_ns, true,
[&] { return fstatat(AT_FDCWD, kAllowedPath, &st, 0); });
ErrnoTest("fstatat_as_lstat"_ns, true, [&] {
return fstatat(AT_FDCWD, kAllowedPath, &st, AT_SYMLINK_NOFOLLOW);
});
# ifdef XP_LINUX
ErrnoTest("fstatat_as_fstat"_ns, true,
[&] { return fstatat(0, "", &st, AT_EMPTY_PATH); });
# endif // XP_LINUX
const struct timespec usec = {0, 1000};
ErrnoTest("nanosleep"_ns, true, [&] { return nanosleep(&usec, nullptr); });
struct timespec res = {0, 0};
ErrnoTest("clock_getres"_ns, true,
[&] { return clock_getres(CLOCK_REALTIME, &res); });
#else // XP_UNIX
SendReportTestResults("dummy_test"_ns,
/* shouldSucceed */ true,
/* didSucceed */ true,
"The test framework fails if there are no cases."_ns);
#endif // XP_UNIX
}
// Tell SandboxTest that this process is done with all tests.
SendTestCompleted();
}
void SandboxTestingChild::ActorDestroy(ActorDestroyReason aWhy) {
MOZ_ASSERT(mThread->IsOnThread());
NS_DispatchToMainThread(NS_NewRunnableFunction(
"SandboxChildDestroyer", []() { SandboxTestingChild::Destroy(); }));
}
void SandboxTestingChild::Destroy() {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(sInstance);
delete sInstance;
sInstance = nullptr;
}
bool SandboxTestingChild::RecvShutDown() {
Close();
return true;
}
#ifdef XP_UNIX
template <typename F>
void SandboxTestingChild::ErrnoTest(const nsCString& aName, bool aExpectSuccess,
F&& aFunction) {
int status = aFunction() >= 0 ? 0 : errno;
PosixTest(aName, aExpectSuccess, status);
}
void SandboxTestingChild::PosixTest(const nsCString& aName, bool aExpectSuccess,
int aStatus) {
bool succeeded = aStatus == 0;
nsAutoCString message;
if (succeeded) {
message = "Succeeded"_ns;
} else {
message.AppendPrintf("Error: %s", strerror(aStatus));
}
SendReportTestResults(aName, aExpectSuccess, succeeded, message);
}
#endif // XP_UNIX
} // namespace mozilla
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