GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_vFile_Mode(
StringExtractorGDBRemote &packet) {
packet.SetFilePos(::strlen("vFile:mode:"));
std::string path;
packet.GetHexByteString(path);
if (!path.empty()) {
Error error;
const uint32_t mode = File::GetPermissions(FileSpec{path, true}, error);
StreamString response;
response.Printf("F%u", mode);
if (mode == 0 || error.Fail())
response.Printf(",%i", (int)error.GetError());
return SendPacketNoLock(response.GetString());
}
return SendErrorResponse(23);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_qPlatform_mkdir(
StringExtractorGDBRemote &packet) {
packet.SetFilePos(::strlen("qPlatform_mkdir:"));
mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX);
if (packet.GetChar() == ',') {
std::string path;
packet.GetHexByteString(path);
Error error = FileSystem::MakeDirectory(FileSpec{path, false}, mode);
StreamGDBRemote response;
response.Printf("F%u", error.GetError());
return SendPacketNoLock(response.GetString());
}
return SendErrorResponse(20);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerPlatform::Handle_QSetWorkingDir (StringExtractorGDBRemote &packet)
{
packet.SetFilePos (::strlen ("QSetWorkingDir:"));
std::string path;
packet.GetHexByteString (path);
#ifdef _WIN32
// Not implemented on Windows
return SendUnimplementedResponse ("GDBRemoteCommunicationServerPlatform::Handle_QSetWorkingDir unimplemented");
#else
// If this packet is sent to a platform, then change the current working directory
if (::chdir(path.c_str()) != 0)
return SendErrorResponse (errno);
return SendOKResponse ();
#endif
}
TEST_F(GDBRemoteClientBaseTest, SendContinueAndWait) {
StringExtractorGDBRemote response;
ContinueFixture fix;
if (HasFailure())
return;
// Continue. The inferior will stop with a signal.
ASSERT_EQ(PacketResult::Success, fix.server.SendPacket("T01"));
ASSERT_EQ(eStateStopped, fix.SendCPacket(response));
ASSERT_EQ("T01", response.GetStringRef());
ASSERT_EQ(PacketResult::Success, fix.server.GetPacket(response));
ASSERT_EQ("c", response.GetStringRef());
// Continue. The inferior will exit.
ASSERT_EQ(PacketResult::Success, fix.server.SendPacket("W01"));
ASSERT_EQ(eStateExited, fix.SendCPacket(response));
ASSERT_EQ("W01", response.GetStringRef());
ASSERT_EQ(PacketResult::Success, fix.server.GetPacket(response));
ASSERT_EQ("c", response.GetStringRef());
// Continue. The inferior will get killed.
ASSERT_EQ(PacketResult::Success, fix.server.SendPacket("X01"));
ASSERT_EQ(eStateExited, fix.SendCPacket(response));
ASSERT_EQ("X01", response.GetStringRef());
ASSERT_EQ(PacketResult::Success, fix.server.GetPacket(response));
ASSERT_EQ("c", response.GetStringRef());
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_qPlatform_chmod (StringExtractorGDBRemote &packet)
{
packet.SetFilePos(::strlen("qPlatform_chmod:"));
mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX);
if (packet.GetChar() == ',')
{
std::string path;
packet.GetHexByteString(path);
Error error = Host::SetFilePermissions (path.c_str(), mode);
if (error.Success())
return SendPacketNoLock ("OK", 2);
else
return SendErrorResponse(error.GetError());
}
return SendErrorResponse(19);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_qGroupName(
StringExtractorGDBRemote &packet) {
#if !defined(LLDB_DISABLE_POSIX)
// Packet format: "qGroupName:%i" where %i is the gid
packet.SetFilePos(::strlen("qGroupName:"));
uint32_t gid = packet.GetU32(UINT32_MAX);
if (gid != UINT32_MAX) {
std::string name;
if (HostInfo::LookupGroupName(gid, name)) {
StreamString response;
response.PutCStringAsRawHex8(name.c_str());
return SendPacketNoLock(response.GetString());
}
}
#endif
return SendErrorResponse(6);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_qProcessInfoPID (StringExtractorGDBRemote &packet)
{
// Packet format: "qProcessInfoPID:%i" where %i is the pid
packet.SetFilePos(::strlen ("qProcessInfoPID:"));
lldb::pid_t pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID);
if (pid != LLDB_INVALID_PROCESS_ID)
{
ProcessInstanceInfo proc_info;
if (Host::GetProcessInfo(pid, proc_info))
{
StreamString response;
CreateProcessInfoResponse (proc_info, response);
return SendPacketNoLock (response.GetData(), response.GetSize());
}
}
return SendErrorResponse (1);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_qGroupName (StringExtractorGDBRemote &packet)
{
// Packet format: "qGroupName:%i" where %i is the gid
packet.SetFilePos(::strlen ("qGroupName:"));
uint32_t gid = packet.GetU32 (UINT32_MAX);
if (gid != UINT32_MAX)
{
std::string name;
if (Host::GetGroupName (gid, name))
{
StreamString response;
response.PutCStringAsRawHex8 (name.c_str());
return SendPacketNoLock (response.GetData(), response.GetSize());
}
}
return SendErrorResponse (6);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_vFile_Exists(
StringExtractorGDBRemote &packet) {
packet.SetFilePos(::strlen("vFile:exists:"));
std::string path;
packet.GetHexByteString(path);
if (!path.empty()) {
bool retcode = FileSystem::GetFileExists(FileSpec(path.c_str(), false));
StreamString response;
response.PutChar('F');
response.PutChar(',');
if (retcode)
response.PutChar('1');
else
response.PutChar('0');
return SendPacketNoLock(response.GetString());
}
return SendErrorResponse(24);
}
bool
GDBRemoteCommunicationServer::Handle_qUserName (StringExtractorGDBRemote &packet)
{
// Packet format: "qUserName:%i" where %i is the uid
packet.SetFilePos(::strlen ("qUserName:"));
uint32_t uid = packet.GetU32 (UINT32_MAX);
if (uid != UINT32_MAX)
{
std::string name;
if (Host::GetUserName (uid, name))
{
StreamString response;
response.PutCStringAsRawHex8 (name.c_str());
return SendPacket (response);
}
}
return SendErrorResponse (5);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::SendIllFormedResponse(
const StringExtractorGDBRemote &failed_packet, const char *message) {
Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PACKETS));
if (log)
log->Printf("GDBRemoteCommunicationServer::%s: ILLFORMED: '%s' (%s)",
__FUNCTION__, failed_packet.GetStringRef().c_str(),
message ? message : "");
return SendErrorResponse(0x03);
}
TEST_F(GDBRemoteClientBaseTest, SendPacketAndReceiveResponseWithOutputSupport) {
StringExtractorGDBRemote response;
StreamString command_output;
ASSERT_EQ(PacketResult::Success, server.SendPacket("O"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("O48656c6c6f2c"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("O20"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("O"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("O776f726c64"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("OK"));
PacketResult result = client.SendPacketAndReceiveResponseWithOutputSupport(
"qRcmd,test", response, true,
[&command_output](llvm::StringRef output) { command_output << output; });
ASSERT_EQ(PacketResult::Success, result);
ASSERT_EQ("OK", response.GetStringRef());
ASSERT_EQ("Hello, world", command_output.GetString().str());
}
TEST_F(GDBRemoteClientBaseTest, SendContinueDelegateInterface) {
StringExtractorGDBRemote response;
// Continue. We'll have the server send a bunch of async packets before it
// stops.
ASSERT_EQ(PacketResult::Success, server.SendPacket("O4142"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("Apro"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("O4344"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("Afile"));
ASSERT_EQ(PacketResult::Success, server.SendPacket("T01"));
ASSERT_EQ(eStateStopped, SendCPacket(response));
ASSERT_EQ("T01", response.GetStringRef());
ASSERT_EQ(PacketResult::Success, server.GetPacket(response));
ASSERT_EQ("c", response.GetStringRef());
EXPECT_EQ("ABCD", delegate.output);
EXPECT_EQ("profile", delegate.misc_data);
EXPECT_EQ(1u, delegate.stop_reply_called);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_qPlatform_chmod (StringExtractorGDBRemote &packet)
{
packet.SetFilePos(::strlen("qPlatform_chmod:"));
mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX);
if (packet.GetChar() == ',')
{
std::string path;
packet.GetHexByteString(path);
Error error = FileSystem::SetFilePermissions(FileSpec{path, true}, mode);
StreamGDBRemote response;
response.Printf("F%u", error.GetError());
return SendPacketNoLock(response.GetData(), response.GetSize());
}
return SendErrorResponse(19);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_qPlatform_shell (StringExtractorGDBRemote &packet)
{
packet.SetFilePos(::strlen("qPlatform_shell:"));
std::string path;
std::string working_dir;
packet.GetHexByteStringTerminatedBy(path,',');
if (!path.empty())
{
if (packet.GetChar() == ',')
{
// FIXME: add timeout to qPlatform_shell packet
// uint32_t timeout = packet.GetHexMaxU32(false, 32);
uint32_t timeout = 10;
if (packet.GetChar() == ',')
packet.GetHexByteString(working_dir);
int status, signo;
std::string output;
Error err = Host::RunShellCommand(path.c_str(),
working_dir.empty() ? NULL : working_dir.c_str(),
&status, &signo, &output, timeout);
StreamGDBRemote response;
if (err.Fail())
{
response.PutCString("F,");
response.PutHex32(UINT32_MAX);
}
else
{
response.PutCString("F,");
response.PutHex32(status);
response.PutChar(',');
response.PutHex32(signo);
response.PutChar(',');
response.PutEscapedBytes(output.c_str(), output.size());
}
return SendPacketNoLock(response.GetData(), response.GetSize());
}
}
return SendErrorResponse(24);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_vFile_Close(
StringExtractorGDBRemote &packet) {
packet.SetFilePos(::strlen("vFile:close:"));
int fd = packet.GetS32(-1);
Error error;
int err = -1;
int save_errno = 0;
if (fd >= 0) {
err = close(fd);
save_errno = err == -1 ? errno : 0;
} else {
save_errno = EINVAL;
}
StreamString response;
response.PutChar('F');
response.Printf("%i", err);
if (save_errno)
response.Printf(",%i", save_errno);
return SendPacketNoLock(response.GetString());
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_vFile_Size (StringExtractorGDBRemote &packet)
{
packet.SetFilePos(::strlen("vFile:size:"));
std::string path;
packet.GetHexByteString(path);
if (!path.empty())
{
lldb::user_id_t retcode = Host::GetFileSize(FileSpec(path.c_str(), false));
StreamString response;
response.PutChar('F');
response.PutHex64(retcode);
if (retcode == UINT64_MAX)
{
response.PutChar(',');
response.PutHex64(retcode); // TODO: replace with Host::GetSyswideErrorCode()
}
return SendPacketNoLock(response.GetData(), response.GetSize());
}
return SendErrorResponse(22);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_vFile_MD5(
StringExtractorGDBRemote &packet) {
packet.SetFilePos(::strlen("vFile:MD5:"));
std::string path;
packet.GetHexByteString(path);
if (!path.empty()) {
uint64_t a, b;
StreamGDBRemote response;
if (!FileSystem::CalculateMD5(FileSpec(path.c_str(), false), a, b)) {
response.PutCString("F,");
response.PutCString("x");
} else {
response.PutCString("F,");
response.PutHex64(a);
response.PutHex64(b);
}
return SendPacketNoLock(response.GetString());
}
return SendErrorResponse(25);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_vFile_Open (StringExtractorGDBRemote &packet)
{
packet.SetFilePos(::strlen("vFile:open:"));
std::string path;
packet.GetHexByteStringTerminatedBy(path,',');
if (!path.empty())
{
if (packet.GetChar() == ',')
{
uint32_t flags = packet.GetHexMaxU32(false, 0);
if (packet.GetChar() == ',')
{
mode_t mode = packet.GetHexMaxU32(false, 0600);
Error error;
int fd = ::open (path.c_str(), flags, mode);
const int save_errno = fd == -1 ? errno : 0;
StreamString response;
response.PutChar('F');
response.Printf("%i", fd);
if (save_errno)
response.Printf(",%i", save_errno);
return SendPacketNoLock(response.GetData(), response.GetSize());
}
}
}
return SendErrorResponse(18);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite(
StringExtractorGDBRemote &packet) {
#ifdef _WIN32
return SendUnimplementedResponse("GDBRemoteCommunicationServerCommon::Handle_"
"vFile_pWrite() unimplemented");
#else
packet.SetFilePos(::strlen("vFile:pwrite:"));
StreamGDBRemote response;
response.PutChar('F');
int fd = packet.GetU32(UINT32_MAX);
if (packet.GetChar() == ',') {
off_t offset = packet.GetU64(UINT32_MAX);
if (packet.GetChar() == ',') {
std::string buffer;
if (packet.GetEscapedBinaryData(buffer)) {
const ssize_t bytes_written =
::pwrite(fd, buffer.data(), buffer.size(), offset);
const int save_errno = bytes_written == -1 ? errno : 0;
response.Printf("%zi", bytes_written);
if (save_errno)
response.Printf(",%i", save_errno);
} else {
response.Printf("-1,%i", EINVAL);
}
return SendPacketNoLock(response.GetString());
}
}
return SendErrorResponse(27);
#endif
}
TEST_F(GDBRemoteCommunicationClientTest, TestPacketSpeedJSON) {
std::thread server_thread([this] {
for (;;) {
StringExtractorGDBRemote request;
PacketResult result = server.GetPacket(request);
if (result == PacketResult::ErrorDisconnected)
return;
ASSERT_EQ(PacketResult::Success, result);
StringRef ref = request.GetStringRef();
ASSERT_TRUE(ref.consume_front("qSpeedTest:response_size:"));
int size;
ASSERT_FALSE(ref.consumeInteger(10, size)) << "ref: " << ref;
std::string response(size, 'X');
ASSERT_EQ(PacketResult::Success, server.SendPacket(response));
}
});
StreamString ss;
client.TestPacketSpeed(10, 32, 32, 4096, true, ss);
client.Disconnect();
server_thread.join();
GTEST_LOG_(INFO) << "Formatted output: " << ss.GetData();
auto object_sp = StructuredData::ParseJSON(ss.GetString());
ASSERT_TRUE(bool(object_sp));
auto dict_sp = object_sp->GetAsDictionary();
ASSERT_TRUE(bool(dict_sp));
object_sp = dict_sp->GetValueForKey("packet_speeds");
ASSERT_TRUE(bool(object_sp));
dict_sp = object_sp->GetAsDictionary();
ASSERT_TRUE(bool(dict_sp));
int num_packets;
ASSERT_TRUE(dict_sp->GetValueForKeyAsInteger("num_packets", num_packets))
<< ss.GetString();
ASSERT_EQ(10, num_packets);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerPlatform::Handle_qKillSpawnedProcess(
StringExtractorGDBRemote &packet) {
packet.SetFilePos(::strlen("qKillSpawnedProcess:"));
lldb::pid_t pid = packet.GetU64(LLDB_INVALID_PROCESS_ID);
// verify that we know anything about this pid.
// Scope for locker
{
std::lock_guard<std::recursive_mutex> guard(m_spawned_pids_mutex);
if (m_spawned_pids.find(pid) == m_spawned_pids.end()) {
// not a pid we know about
return SendErrorResponse(10);
}
}
// go ahead and attempt to kill the spawned process
if (KillSpawnedProcess(pid))
return SendOKResponse();
else
return SendErrorResponse(11);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_qSpeedTest (StringExtractorGDBRemote &packet)
{
packet.SetFilePos(::strlen ("qSpeedTest:"));
std::string key;
std::string value;
bool success = packet.GetNameColonValue(key, value);
if (success && key.compare("response_size") == 0)
{
uint32_t response_size = Args::StringToUInt32(value.c_str(), 0, 0, &success);
if (success)
{
if (response_size == 0)
return SendOKResponse();
StreamString response;
uint32_t bytes_left = response_size;
response.PutCString("data:");
while (bytes_left > 0)
{
if (bytes_left >= 26)
{
response.PutCString("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
bytes_left -= 26;
}
else
{
response.Printf ("%*.*s;", bytes_left, bytes_left, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
bytes_left = 0;
}
}
return SendPacketNoLock (response.GetData(), response.GetSize());
}
}
return SendErrorResponse (7);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_qUserName(
StringExtractorGDBRemote &packet) {
#if !defined(LLDB_DISABLE_POSIX)
Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
if (log)
log->Printf("GDBRemoteCommunicationServerCommon::%s begin", __FUNCTION__);
// Packet format: "qUserName:%i" where %i is the uid
packet.SetFilePos(::strlen("qUserName:"******"GDBRemoteCommunicationServerCommon::%s end", __FUNCTION__);
#endif
return SendErrorResponse(5);
}
bool GDBRemoteClientBase::ShouldStop(const UnixSignals &signals,
StringExtractorGDBRemote &response) {
std::lock_guard<std::mutex> lock(m_mutex);
if (m_async_count == 0)
return true; // We were not interrupted. The process stopped on its own.
// Older debugserver stubs (before April 2016) can return two
// stop-reply packets in response to a ^C packet.
// Additionally, all debugservers still return two stop replies if
// the inferior stops due to some other reason before the remote
// stub manages to interrupt it. We need to wait for this
// additional packet to make sure the packet sequence does not get
// skewed.
StringExtractorGDBRemote extra_stop_reply_packet;
uint32_t timeout_usec = 100000; // 100ms
ReadPacket(extra_stop_reply_packet, timeout_usec, false);
// Interrupting is typically done using SIGSTOP or SIGINT, so if
// the process stops with some other signal, we definitely want to
// stop.
const uint8_t signo = response.GetHexU8(UINT8_MAX);
if (signo != signals.GetSignalNumberFromName("SIGSTOP") &&
signo != signals.GetSignalNumberFromName("SIGINT"))
return true;
// We probably only stopped to perform some async processing, so continue
// after that is done.
// TODO: This is not 100% correct, as the process may have been stopped with
// SIGINT or SIGSTOP
// that was not caused by us (e.g. raise(SIGINT)). This will normally cause a
// stop, but if it's
// done concurrently with a async interrupt, that stop will get eaten
// (llvm.org/pr20231).
return false;
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_vFile_pRead (StringExtractorGDBRemote &packet)
{
#ifdef _WIN32
// Not implemented on Windows
return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_vFile_pRead() unimplemented");
#else
StreamGDBRemote response;
packet.SetFilePos(::strlen("vFile:pread:"));
int fd = packet.GetS32(-1);
if (packet.GetChar() == ',')
{
uint64_t count = packet.GetU64(UINT64_MAX);
if (packet.GetChar() == ',')
{
uint64_t offset = packet.GetU64(UINT32_MAX);
if (count == UINT64_MAX)
{
response.Printf("F-1:%i", EINVAL);
return SendPacketNoLock(response.GetData(), response.GetSize());
}
std::string buffer(count, 0);
const ssize_t bytes_read = ::pread (fd, &buffer[0], buffer.size(), offset);
const int save_errno = bytes_read == -1 ? errno : 0;
response.PutChar('F');
response.Printf("%zi", bytes_read);
if (save_errno)
response.Printf(",%i", save_errno);
else
{
response.PutChar(';');
response.PutEscapedBytes(&buffer[0], bytes_read);
}
return SendPacketNoLock(response.GetData(), response.GetSize());
}
}
return SendErrorResponse(21);
#endif
}
//void *
//GDBRemoteCommunicationServer::AsyncThread (void *arg)
//{
// GDBRemoteCommunicationServer *server = (GDBRemoteCommunicationServer*) arg;
//
// Log *log;// (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (GDBR_LOG_PROCESS));
// if (log)
// log->Printf ("ProcessGDBRemote::%s (arg = %p, pid = %i) thread starting...", __FUNCTION__, arg, process->GetID());
//
// StringExtractorGDBRemote packet;
//
// while ()
// {
// if (packet.
// }
//
// if (log)
// log->Printf ("ProcessGDBRemote::%s (arg = %p, pid = %i) thread exiting...", __FUNCTION__, arg, process->GetID());
//
// process->m_async_thread = LLDB_INVALID_HOST_THREAD;
// return NULL;
//}
//
bool
GDBRemoteCommunicationServer::GetPacketAndSendResponse (uint32_t timeout_usec,
Error &error,
bool &interrupt,
bool &quit)
{
StringExtractorGDBRemote packet;
PacketResult packet_result = WaitForPacketWithTimeoutMicroSecondsNoLock (packet, timeout_usec);
if (packet_result == PacketResult::Success)
{
const StringExtractorGDBRemote::ServerPacketType packet_type = packet.GetServerPacketType ();
switch (packet_type)
{
case StringExtractorGDBRemote::eServerPacketType_nack:
case StringExtractorGDBRemote::eServerPacketType_ack:
break;
case StringExtractorGDBRemote::eServerPacketType_invalid:
error.SetErrorString("invalid packet");
quit = true;
break;
case StringExtractorGDBRemote::eServerPacketType_interrupt:
error.SetErrorString("interrupt received");
interrupt = true;
break;
default:
case StringExtractorGDBRemote::eServerPacketType_unimplemented:
packet_result = SendUnimplementedResponse (packet.GetStringRef().c_str());
break;
case StringExtractorGDBRemote::eServerPacketType_A:
packet_result = Handle_A (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qfProcessInfo:
packet_result = Handle_qfProcessInfo (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qsProcessInfo:
packet_result = Handle_qsProcessInfo (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qC:
packet_result = Handle_qC (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qHostInfo:
packet_result = Handle_qHostInfo (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qLaunchGDBServer:
packet_result = Handle_qLaunchGDBServer (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qKillSpawnedProcess:
packet_result = Handle_qKillSpawnedProcess (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qLaunchSuccess:
packet_result = Handle_qLaunchSuccess (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qGroupName:
packet_result = Handle_qGroupName (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qProcessInfoPID:
packet_result = Handle_qProcessInfoPID (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qSpeedTest:
packet_result = Handle_qSpeedTest (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qUserName:
packet_result = Handle_qUserName (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qGetWorkingDir:
packet_result = Handle_qGetWorkingDir(packet);
break;
case StringExtractorGDBRemote::eServerPacketType_QEnvironment:
packet_result = Handle_QEnvironment (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_QLaunchArch:
packet_result = Handle_QLaunchArch (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_QSetDisableASLR:
packet_result = Handle_QSetDisableASLR (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_QSetSTDIN:
packet_result = Handle_QSetSTDIN (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_QSetSTDOUT:
packet_result = Handle_QSetSTDOUT (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_QSetSTDERR:
packet_result = Handle_QSetSTDERR (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_QSetWorkingDir:
packet_result = Handle_QSetWorkingDir (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_QStartNoAckMode:
packet_result = Handle_QStartNoAckMode (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qPlatform_mkdir:
packet_result = Handle_qPlatform_mkdir (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qPlatform_chmod:
packet_result = Handle_qPlatform_chmod (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_qPlatform_shell:
packet_result = Handle_qPlatform_shell (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_open:
packet_result = Handle_vFile_Open (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_close:
packet_result = Handle_vFile_Close (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_pread:
packet_result = Handle_vFile_pRead (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_pwrite:
packet_result = Handle_vFile_pWrite (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_size:
packet_result = Handle_vFile_Size (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_mode:
packet_result = Handle_vFile_Mode (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_exists:
packet_result = Handle_vFile_Exists (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_stat:
packet_result = Handle_vFile_Stat (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_md5:
packet_result = Handle_vFile_MD5 (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_symlink:
packet_result = Handle_vFile_symlink (packet);
break;
case StringExtractorGDBRemote::eServerPacketType_vFile_unlink:
packet_result = Handle_vFile_unlink (packet);
break;
}
}
else
{
if (!IsConnected())
{
error.SetErrorString("lost connection");
quit = true;
}
else
{
error.SetErrorString("timeout");
}
}
return packet_result == PacketResult::Success;
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet)
{
#ifdef _WIN32
// No unix sockets on windows
return false;
#else
// Spawn a local debugserver as a platform so we can then attach or launch
// a process...
if (m_is_platform)
{
// Sleep and wait a bit for debugserver to start to listen...
ConnectionFileDescriptor file_conn;
Error error;
std::string hostname;
// TODO: /tmp/ should not be hardcoded. User might want to override /tmp
// with the TMPDIR environnement variable
packet.SetFilePos(::strlen ("qLaunchGDBServer;"));
std::string name;
std::string value;
uint16_t port = UINT16_MAX;
while (packet.GetNameColonValue(name, value))
{
if (name.compare ("host") == 0)
hostname.swap(value);
else if (name.compare ("port") == 0)
port = Args::StringToUInt32(value.c_str(), 0, 0);
}
if (port == UINT16_MAX)
port = GetNextAvailablePort();
// Spawn a new thread to accept the port that gets bound after
// binding to port 0 (zero).
if (error.Success())
{
// Spawn a debugserver and try to get the port it listens to.
ProcessLaunchInfo debugserver_launch_info;
StreamString host_and_port;
if (hostname.empty())
hostname = "localhost";
host_and_port.Printf("%s:%u", hostname.c_str(), port);
const char *host_and_port_cstr = host_and_port.GetString().c_str();
Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
if (log)
log->Printf("Launching debugserver with: %s...\n", host_and_port_cstr);
debugserver_launch_info.SetMonitorProcessCallback(ReapDebugserverProcess, this, false);
error = StartDebugserverProcess (host_and_port_cstr,
debugserver_launch_info,
port);
lldb::pid_t debugserver_pid = debugserver_launch_info.GetProcessID();
if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
{
Mutex::Locker locker (m_spawned_pids_mutex);
m_spawned_pids.insert(debugserver_pid);
if (port > 0)
AssociatePortWithProcess(port, debugserver_pid);
}
else
{
if (port > 0)
FreePort (port);
}
if (error.Success())
{
char response[256];
const int response_len = ::snprintf (response, sizeof(response), "pid:%" PRIu64 ";port:%u;", debugserver_pid, port + m_port_offset);
assert (response_len < sizeof(response));
PacketResult packet_result = SendPacketNoLock (response, response_len);
if (packet_result != PacketResult::Success)
{
if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
::kill (debugserver_pid, SIGINT);
}
return packet_result;
}
}
}
return SendErrorResponse (9);
#endif
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_A (StringExtractorGDBRemote &packet)
{
// The 'A' packet is the most over designed packet ever here with
// redundant argument indexes, redundant argument lengths and needed hex
// encoded argument string values. Really all that is needed is a comma
// separated hex encoded argument value list, but we will stay true to the
// documented version of the 'A' packet here...
packet.SetFilePos(1); // Skip the 'A'
bool success = true;
while (success && packet.GetBytesLeft() > 0)
{
// Decode the decimal argument string length. This length is the
// number of hex nibbles in the argument string value.
const uint32_t arg_len = packet.GetU32(UINT32_MAX);
if (arg_len == UINT32_MAX)
success = false;
else
{
// Make sure the argument hex string length is followed by a comma
if (packet.GetChar() != ',')
success = false;
else
{
// Decode the argument index. We ignore this really becuase
// who would really send down the arguments in a random order???
const uint32_t arg_idx = packet.GetU32(UINT32_MAX);
if (arg_idx == UINT32_MAX)
success = false;
else
{
// Make sure the argument index is followed by a comma
if (packet.GetChar() != ',')
success = false;
else
{
// Decode the argument string value from hex bytes
// back into a UTF8 string and make sure the length
// matches the one supplied in the packet
std::string arg;
if (packet.GetHexByteString(arg) != (arg_len / 2))
success = false;
else
{
// If there are any bytes lft
if (packet.GetBytesLeft())
{
if (packet.GetChar() != ',')
success = false;
}
if (success)
{
if (arg_idx == 0)
m_process_launch_info.GetExecutableFile().SetFile(arg.c_str(), false);
m_process_launch_info.GetArguments().AppendArgument(arg.c_str());
}
}
}
}
}
}
}
if (success)
{
m_process_launch_info.GetFlags().Set (eLaunchFlagDebug);
m_process_launch_error = Host::LaunchProcess (m_process_launch_info);
if (m_process_launch_info.GetProcessID() != LLDB_INVALID_PROCESS_ID)
{
return SendOKResponse ();
}
}
return SendErrorResponse (8);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::Handle_qfProcessInfo (StringExtractorGDBRemote &packet)
{
m_proc_infos_index = 0;
m_proc_infos.Clear();
ProcessInstanceInfoMatch match_info;
packet.SetFilePos(::strlen ("qfProcessInfo"));
if (packet.GetChar() == ':')
{
std::string key;
std::string value;
while (packet.GetNameColonValue(key, value))
{
bool success = true;
if (key.compare("name") == 0)
{
StringExtractor extractor;
extractor.GetStringRef().swap(value);
extractor.GetHexByteString (value);
match_info.GetProcessInfo().GetExecutableFile().SetFile(value.c_str(), false);
}
else if (key.compare("name_match") == 0)
{
if (value.compare("equals") == 0)
{
match_info.SetNameMatchType (eNameMatchEquals);
}
else if (value.compare("starts_with") == 0)
{
match_info.SetNameMatchType (eNameMatchStartsWith);
}
else if (value.compare("ends_with") == 0)
{
match_info.SetNameMatchType (eNameMatchEndsWith);
}
else if (value.compare("contains") == 0)
{
match_info.SetNameMatchType (eNameMatchContains);
}
else if (value.compare("regex") == 0)
{
match_info.SetNameMatchType (eNameMatchRegularExpression);
}
else
{
success = false;
}
}
else if (key.compare("pid") == 0)
{
match_info.GetProcessInfo().SetProcessID (Args::StringToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success));
}
else if (key.compare("parent_pid") == 0)
{
match_info.GetProcessInfo().SetParentProcessID (Args::StringToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success));
}
else if (key.compare("uid") == 0)
{
match_info.GetProcessInfo().SetUserID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success));
}
else if (key.compare("gid") == 0)
{
match_info.GetProcessInfo().SetGroupID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success));
}
else if (key.compare("euid") == 0)
{
match_info.GetProcessInfo().SetEffectiveUserID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success));
}
else if (key.compare("egid") == 0)
{
match_info.GetProcessInfo().SetEffectiveGroupID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success));
}
else if (key.compare("all_users") == 0)
{
match_info.SetMatchAllUsers(Args::StringToBoolean(value.c_str(), false, &success));
}
else if (key.compare("triple") == 0)
{
match_info.GetProcessInfo().GetArchitecture().SetTriple (value.c_str(), NULL);
}
else
{
success = false;
}
if (!success)
return SendErrorResponse (2);
}
}
if (Host::FindProcesses (match_info, m_proc_infos))
{
// We found something, return the first item by calling the get
// subsequent process info packet handler...
return Handle_qsProcessInfo (packet);
}
return SendErrorResponse (3);
}
