GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_qSpeedTest(
StringExtractorGDBRemote &packet) {
packet.SetFilePos(::strlen("qSpeedTest:"));
llvm::StringRef key;
llvm::StringRef value;
bool success = packet.GetNameColonValue(key, value);
if (success && key.equals("response_size")) {
uint32_t response_size = 0;
if (!value.getAsInteger(0, response_size)) {
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.GetString());
}
}
return SendErrorResponse(7);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerPlatform::Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet)
{
#ifdef _WIN32
return SendErrorResponse(9);
#else
// Spawn a local debugserver as a platform so we can then attach or launch
// a process...
Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
if (log)
log->Printf ("GDBRemoteCommunicationServerPlatform::%s() called", __FUNCTION__);
ConnectionFileDescriptor file_conn;
std::string hostname;
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 = StringConvert::ToUInt32(value.c_str(), 0, 0);
}
lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID;
std::string socket_name;
Error error = LaunchGDBServer(Args(), hostname, debugserver_pid, port, socket_name);
if (error.Fail())
{
if (log)
log->Printf("GDBRemoteCommunicationServerPlatform::%s() debugserver launch failed: %s", __FUNCTION__, error.AsCString ());
return SendErrorResponse(9);
}
if (log)
log->Printf ("GDBRemoteCommunicationServerPlatform::%s() debugserver launched successfully as pid %" PRIu64, __FUNCTION__, debugserver_pid);
StreamGDBRemote response;
response.Printf("pid:%" PRIu64 ";port:%u;", debugserver_pid, port + m_port_offset);
if (!socket_name.empty())
{
response.PutCString("socket_name:");
response.PutCStringAsRawHex8(socket_name.c_str());
response.PutChar(';');
}
PacketResult packet_result = SendPacketNoLock(response.GetData(), response.GetSize());
if (packet_result != PacketResult::Success)
{
if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
::kill (debugserver_pid, SIGINT);
}
return packet_result;
#endif
}
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
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_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);
}
bool
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;
char connect_url[PATH_MAX];
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).
lldb::thread_t accept_thread = LLDB_INVALID_HOST_THREAD;
const char *unix_socket_name = NULL;
char unix_socket_name_buf[PATH_MAX] = "/tmp/XXXXXXXXX";
if (port == 0)
{
if (::mkstemp (unix_socket_name_buf) == 0)
{
unix_socket_name = unix_socket_name_buf;
::snprintf (connect_url, sizeof(connect_url), "unix-accept://%s", unix_socket_name);
accept_thread = Host::ThreadCreate (unix_socket_name,
AcceptPortFromInferior,
connect_url,
&error);
}
else
{
error.SetErrorStringWithFormat("failed to make temporary path for a unix socket: %s", strerror(errno));
}
}
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,
unix_socket_name,
debugserver_launch_info);
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())
{
bool success = false;
if (IS_VALID_LLDB_HOST_THREAD(accept_thread))
{
thread_result_t accept_thread_result = NULL;
if (Host::ThreadJoin (accept_thread, &accept_thread_result, &error))
{
if (accept_thread_result)
{
port = (intptr_t)accept_thread_result;
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));
//m_port_to_pid_map[port] = debugserver_launch_info.GetProcessID();
success = SendPacketNoLock (response, response_len) > 0;
}
}
}
else
{
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));
//m_port_to_pid_map[port] = debugserver_launch_info.GetProcessID();
success = SendPacketNoLock (response, response_len) > 0;
}
Host::Unlink (unix_socket_name);
if (!success)
{
if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
::kill (debugserver_pid, SIGINT);
}
return success;
}
else if (accept_thread)
{
Host::Unlink (unix_socket_name);
}
}
}
return SendErrorResponse (9);
#endif
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_qfProcessInfo(
StringExtractorGDBRemote &packet) {
m_proc_infos_index = 0;
m_proc_infos.Clear();
ProcessInstanceInfoMatch match_info;
packet.SetFilePos(::strlen("qfProcessInfo"));
if (packet.GetChar() == ':') {
llvm::StringRef key;
llvm::StringRef value;
while (packet.GetNameColonValue(key, value)) {
bool success = true;
if (key.equals("name")) {
StringExtractor extractor(value);
std::string file;
extractor.GetHexByteString(file);
match_info.GetProcessInfo().GetExecutableFile().SetFile(file.c_str(),
false);
} else if (key.equals("name_match")) {
NameMatchType name_match =
llvm::StringSwitch<NameMatchType>(value)
.Case("equals", eNameMatchEquals)
.Case("starts_with", eNameMatchStartsWith)
.Case("ends_with", eNameMatchEndsWith)
.Case("contains", eNameMatchContains)
.Case("regex", eNameMatchRegularExpression)
.Default(eNameMatchIgnore);
match_info.SetNameMatchType(name_match);
if (name_match == eNameMatchIgnore)
return SendErrorResponse(2);
} else if (key.equals("pid")) {
lldb::pid_t pid = LLDB_INVALID_PROCESS_ID;
if (value.getAsInteger(0, pid))
return SendErrorResponse(2);
match_info.GetProcessInfo().SetProcessID(pid);
} else if (key.equals("parent_pid")) {
lldb::pid_t pid = LLDB_INVALID_PROCESS_ID;
if (value.getAsInteger(0, pid))
return SendErrorResponse(2);
match_info.GetProcessInfo().SetParentProcessID(pid);
} else if (key.equals("uid")) {
uint32_t uid = UINT32_MAX;
if (value.getAsInteger(0, uid))
return SendErrorResponse(2);
match_info.GetProcessInfo().SetUserID(uid);
} else if (key.equals("gid")) {
uint32_t gid = UINT32_MAX;
if (value.getAsInteger(0, gid))
return SendErrorResponse(2);
match_info.GetProcessInfo().SetGroupID(gid);
} else if (key.equals("euid")) {
uint32_t uid = UINT32_MAX;
if (value.getAsInteger(0, uid))
return SendErrorResponse(2);
match_info.GetProcessInfo().SetEffectiveUserID(uid);
} else if (key.equals("egid")) {
uint32_t gid = UINT32_MAX;
if (value.getAsInteger(0, gid))
return SendErrorResponse(2);
match_info.GetProcessInfo().SetEffectiveGroupID(gid);
} else if (key.equals("all_users")) {
match_info.SetMatchAllUsers(
Args::StringToBoolean(value, false, &success));
} else if (key.equals("triple")) {
match_info.GetProcessInfo().GetArchitecture().SetTriple(
value.str().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);
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerPlatform::Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet)
{
#ifdef _WIN32
return SendErrorResponse(9);
#else
// Spawn a local debugserver as a platform so we can then attach or launch
// a process...
Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
if (log)
log->Printf ("GDBRemoteCommunicationServerPlatform::%s() called", __FUNCTION__);
// Sleep and wait a bit for debugserver to start to listen...
ConnectionFileDescriptor file_conn;
std::string hostname;
// TODO: /tmp/ should not be hardcoded. User might want to override /tmp
// with the TMPDIR environment 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 = StringConvert::ToUInt32(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).
// ignore the hostname send from the remote end, just use the ip address
// that we're currently communicating with as the hostname
// Spawn a debugserver and try to get the port it listens to.
ProcessLaunchInfo debugserver_launch_info;
if (hostname.empty())
hostname = "127.0.0.1";
if (log)
log->Printf("Launching debugserver with: %s:%u...\n", hostname.c_str(), port);
// Do not run in a new session so that it can not linger after the
// platform closes.
debugserver_launch_info.SetLaunchInSeparateProcessGroup(false);
debugserver_launch_info.SetMonitorProcessCallback(ReapDebugserverProcess, this, false);
std::string platform_scheme;
std::string platform_ip;
int platform_port;
std::string platform_path;
bool ok = UriParser::Parse(GetConnection()->GetURI().c_str(), platform_scheme, platform_ip, platform_port, platform_path);
assert(ok);
Error error = StartDebugserverProcess (
platform_ip.c_str(),
port,
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())
{
if (log)
log->Printf ("GDBRemoteCommunicationServerPlatform::%s() debugserver launched successfully as pid %" PRIu64, __FUNCTION__, debugserver_pid);
char response[256];
const int response_len = ::snprintf (response, sizeof(response), "pid:%" PRIu64 ";port:%u;", debugserver_pid, port + m_port_offset);
assert (response_len < (int)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;
}
else
{
if (log)
log->Printf ("GDBRemoteCommunicationServerPlatform::%s() debugserver launch failed: %s", __FUNCTION__, error.AsCString ());
}
return SendErrorResponse (9);
#endif
}