diff options
Diffstat (limited to 'tools/debugserver/source/debugserver.cpp')
| -rw-r--r-- | tools/debugserver/source/debugserver.cpp | 1684 |
1 files changed, 0 insertions, 1684 deletions
diff --git a/tools/debugserver/source/debugserver.cpp b/tools/debugserver/source/debugserver.cpp deleted file mode 100644 index 8afe17bce37d..000000000000 --- a/tools/debugserver/source/debugserver.cpp +++ /dev/null @@ -1,1684 +0,0 @@ -//===-- debugserver.cpp -----------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include <arpa/inet.h> -#include <asl.h> -#include <crt_externs.h> -#include <errno.h> -#include <getopt.h> -#include <netdb.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <string> -#include <sys/select.h> -#include <sys/socket.h> -#include <sys/sysctl.h> -#include <sys/types.h> -#include <sys/un.h> -#include <vector> - -#if defined(__APPLE__) -#include <sched.h> -extern "C" int proc_set_wakemon_params(pid_t, int, - int); // <libproc_internal.h> SPI -#endif - -#include "CFString.h" -#include "DNB.h" -#include "DNBLog.h" -#include "DNBTimer.h" -#include "OsLogger.h" -#include "PseudoTerminal.h" -#include "RNBContext.h" -#include "RNBRemote.h" -#include "RNBServices.h" -#include "RNBSocket.h" -#include "SysSignal.h" - -// Global PID in case we get a signal and need to stop the process... -nub_process_t g_pid = INVALID_NUB_PROCESS; - -//---------------------------------------------------------------------- -// Run loop modes which determine which run loop function will be called -//---------------------------------------------------------------------- -typedef enum { - eRNBRunLoopModeInvalid = 0, - eRNBRunLoopModeGetStartModeFromRemoteProtocol, - eRNBRunLoopModeInferiorAttaching, - eRNBRunLoopModeInferiorLaunching, - eRNBRunLoopModeInferiorExecuting, - eRNBRunLoopModePlatformMode, - eRNBRunLoopModeExit -} RNBRunLoopMode; - -//---------------------------------------------------------------------- -// Global Variables -//---------------------------------------------------------------------- -RNBRemoteSP g_remoteSP; -static int g_lockdown_opt = 0; -static int g_applist_opt = 0; -static nub_launch_flavor_t g_launch_flavor = eLaunchFlavorDefault; -int g_disable_aslr = 0; - -int g_isatty = 0; -bool g_detach_on_error = true; - -#define RNBLogSTDOUT(fmt, ...) \ - do { \ - if (g_isatty) { \ - fprintf(stdout, fmt, ##__VA_ARGS__); \ - } else { \ - _DNBLog(0, fmt, ##__VA_ARGS__); \ - } \ - } while (0) -#define RNBLogSTDERR(fmt, ...) \ - do { \ - if (g_isatty) { \ - fprintf(stderr, fmt, ##__VA_ARGS__); \ - } else { \ - _DNBLog(0, fmt, ##__VA_ARGS__); \ - } \ - } while (0) - -//---------------------------------------------------------------------- -// Get our program path and arguments from the remote connection. -// We will need to start up the remote connection without a PID, get the -// arguments, wait for the new process to finish launching and hit its -// entry point, and then return the run loop mode that should come next. -//---------------------------------------------------------------------- -RNBRunLoopMode RNBRunLoopGetStartModeFromRemote(RNBRemote *remote) { - std::string packet; - - if (remote) { - RNBContext &ctx = remote->Context(); - uint32_t event_mask = RNBContext::event_read_packet_available | - RNBContext::event_read_thread_exiting; - - // Spin waiting to get the A packet. - while (1) { - DNBLogThreadedIf(LOG_RNB_MAX, - "%s ctx.Events().WaitForSetEvents( 0x%08x ) ...", - __FUNCTION__, event_mask); - nub_event_t set_events = ctx.Events().WaitForSetEvents(event_mask); - DNBLogThreadedIf(LOG_RNB_MAX, - "%s ctx.Events().WaitForSetEvents( 0x%08x ) => 0x%08x", - __FUNCTION__, event_mask, set_events); - - if (set_events & RNBContext::event_read_thread_exiting) { - RNBLogSTDERR("error: packet read thread exited.\n"); - return eRNBRunLoopModeExit; - } - - if (set_events & RNBContext::event_read_packet_available) { - rnb_err_t err = rnb_err; - RNBRemote::PacketEnum type; - - err = remote->HandleReceivedPacket(&type); - - // check if we tried to attach to a process - if (type == RNBRemote::vattach || type == RNBRemote::vattachwait || - type == RNBRemote::vattachorwait) { - if (err == rnb_success) { - RNBLogSTDOUT("Attach succeeded, ready to debug.\n"); - return eRNBRunLoopModeInferiorExecuting; - } else { - RNBLogSTDERR("error: attach failed.\n"); - return eRNBRunLoopModeExit; - } - } - - if (err == rnb_success) { - // If we got our arguments we are ready to launch using the arguments - // and any environment variables we received. - if (type == RNBRemote::set_argv) { - return eRNBRunLoopModeInferiorLaunching; - } - } else if (err == rnb_not_connected) { - RNBLogSTDERR("error: connection lost.\n"); - return eRNBRunLoopModeExit; - } else { - // a catch all for any other gdb remote packets that failed - DNBLogThreadedIf(LOG_RNB_MINIMAL, "%s Error getting packet.", - __FUNCTION__); - continue; - } - - DNBLogThreadedIf(LOG_RNB_MINIMAL, "#### %s", __FUNCTION__); - } else { - DNBLogThreadedIf(LOG_RNB_MINIMAL, - "%s Connection closed before getting \"A\" packet.", - __FUNCTION__); - return eRNBRunLoopModeExit; - } - } - } - return eRNBRunLoopModeExit; -} - -//---------------------------------------------------------------------- -// This run loop mode will wait for the process to launch and hit its -// entry point. It will currently ignore all events except for the -// process state changed event, where it watches for the process stopped -// or crash process state. -//---------------------------------------------------------------------- -RNBRunLoopMode RNBRunLoopLaunchInferior(RNBRemote *remote, - const char *stdin_path, - const char *stdout_path, - const char *stderr_path, - bool no_stdio) { - RNBContext &ctx = remote->Context(); - - // The Process stuff takes a c array, the RNBContext has a vector... - // So make up a c array. - - DNBLogThreadedIf(LOG_RNB_MINIMAL, "%s Launching '%s'...", __FUNCTION__, - ctx.ArgumentAtIndex(0)); - - size_t inferior_argc = ctx.ArgumentCount(); - // Initialize inferior_argv with inferior_argc + 1 NULLs - std::vector<const char *> inferior_argv(inferior_argc + 1, NULL); - - size_t i; - for (i = 0; i < inferior_argc; i++) - inferior_argv[i] = ctx.ArgumentAtIndex(i); - - // Pass the environment array the same way: - - size_t inferior_envc = ctx.EnvironmentCount(); - // Initialize inferior_argv with inferior_argc + 1 NULLs - std::vector<const char *> inferior_envp(inferior_envc + 1, NULL); - - for (i = 0; i < inferior_envc; i++) - inferior_envp[i] = ctx.EnvironmentAtIndex(i); - - // Our launch type hasn't been set to anything concrete, so we need to - // figure our how we are going to launch automatically. - - nub_launch_flavor_t launch_flavor = g_launch_flavor; - if (launch_flavor == eLaunchFlavorDefault) { - // Our default launch method is posix spawn - launch_flavor = eLaunchFlavorPosixSpawn; - -#if defined WITH_FBS - // Check if we have an app bundle, if so launch using BackBoard Services. - if (strstr(inferior_argv[0], ".app")) { - launch_flavor = eLaunchFlavorFBS; - } -#elif defined WITH_BKS - // Check if we have an app bundle, if so launch using BackBoard Services. - if (strstr(inferior_argv[0], ".app")) { - launch_flavor = eLaunchFlavorBKS; - } -#elif defined WITH_SPRINGBOARD - // Check if we have an app bundle, if so launch using SpringBoard. - if (strstr(inferior_argv[0], ".app")) { - launch_flavor = eLaunchFlavorSpringBoard; - } -#endif - } - - ctx.SetLaunchFlavor(launch_flavor); - char resolved_path[PATH_MAX]; - - // If we fail to resolve the path to our executable, then just use what we - // were given and hope for the best - if (!DNBResolveExecutablePath(inferior_argv[0], resolved_path, - sizeof(resolved_path))) - ::strlcpy(resolved_path, inferior_argv[0], sizeof(resolved_path)); - - char launch_err_str[PATH_MAX]; - launch_err_str[0] = '\0'; - const char *cwd = - (ctx.GetWorkingDirPath() != NULL ? ctx.GetWorkingDirPath() - : ctx.GetWorkingDirectory()); - const char *process_event = ctx.GetProcessEvent(); - nub_process_t pid = DNBProcessLaunch( - resolved_path, &inferior_argv[0], &inferior_envp[0], cwd, stdin_path, - stdout_path, stderr_path, no_stdio, launch_flavor, g_disable_aslr, - process_event, launch_err_str, sizeof(launch_err_str)); - - g_pid = pid; - - if (pid == INVALID_NUB_PROCESS && strlen(launch_err_str) > 0) { - DNBLogThreaded("%s DNBProcessLaunch() returned error: '%s'", __FUNCTION__, - launch_err_str); - ctx.LaunchStatus().SetError(-1, DNBError::Generic); - ctx.LaunchStatus().SetErrorString(launch_err_str); - } else if (pid == INVALID_NUB_PROCESS) { - DNBLogThreaded( - "%s DNBProcessLaunch() failed to launch process, unknown failure", - __FUNCTION__); - ctx.LaunchStatus().SetError(-1, DNBError::Generic); - ctx.LaunchStatus().SetErrorString("<unknown failure>"); - } else { - ctx.LaunchStatus().Clear(); - } - - if (remote->Comm().IsConnected()) { - // It we are connected already, the next thing gdb will do is ask - // whether the launch succeeded, and if not, whether there is an - // error code. So we need to fetch one packet from gdb before we wait - // on the stop from the target. - - uint32_t event_mask = RNBContext::event_read_packet_available; - nub_event_t set_events = ctx.Events().WaitForSetEvents(event_mask); - - if (set_events & RNBContext::event_read_packet_available) { - rnb_err_t err = rnb_err; - RNBRemote::PacketEnum type; - - err = remote->HandleReceivedPacket(&type); - - if (err != rnb_success) { - DNBLogThreadedIf(LOG_RNB_MINIMAL, "%s Error getting packet.", - __FUNCTION__); - return eRNBRunLoopModeExit; - } - if (type != RNBRemote::query_launch_success) { - DNBLogThreadedIf(LOG_RNB_MINIMAL, - "%s Didn't get the expected qLaunchSuccess packet.", - __FUNCTION__); - } - } - } - - while (pid != INVALID_NUB_PROCESS) { - // Wait for process to start up and hit entry point - DNBLogThreadedIf(LOG_RNB_EVENTS, "%s DNBProcessWaitForEvent (%4.4x, " - "eEventProcessRunningStateChanged | " - "eEventProcessStoppedStateChanged, true, " - "INFINITE)...", - __FUNCTION__, pid); - nub_event_t set_events = - DNBProcessWaitForEvents(pid, eEventProcessRunningStateChanged | - eEventProcessStoppedStateChanged, - true, NULL); - DNBLogThreadedIf(LOG_RNB_EVENTS, "%s DNBProcessWaitForEvent (%4.4x, " - "eEventProcessRunningStateChanged | " - "eEventProcessStoppedStateChanged, true, " - "INFINITE) => 0x%8.8x", - __FUNCTION__, pid, set_events); - - if (set_events == 0) { - pid = INVALID_NUB_PROCESS; - g_pid = pid; - } else { - if (set_events & (eEventProcessRunningStateChanged | - eEventProcessStoppedStateChanged)) { - nub_state_t pid_state = DNBProcessGetState(pid); - DNBLogThreadedIf( - LOG_RNB_EVENTS, - "%s process %4.4x state changed (eEventProcessStateChanged): %s", - __FUNCTION__, pid, DNBStateAsString(pid_state)); - - switch (pid_state) { - case eStateInvalid: - case eStateUnloaded: - case eStateAttaching: - case eStateLaunching: - case eStateSuspended: - break; // Ignore - - case eStateRunning: - case eStateStepping: - // Still waiting to stop at entry point... - break; - - case eStateStopped: - case eStateCrashed: - ctx.SetProcessID(pid); - return eRNBRunLoopModeInferiorExecuting; - - case eStateDetached: - case eStateExited: - pid = INVALID_NUB_PROCESS; - g_pid = pid; - return eRNBRunLoopModeExit; - } - } - - DNBProcessResetEvents(pid, set_events); - } - } - - return eRNBRunLoopModeExit; -} - -//---------------------------------------------------------------------- -// This run loop mode will wait for the process to launch and hit its -// entry point. It will currently ignore all events except for the -// process state changed event, where it watches for the process stopped -// or crash process state. -//---------------------------------------------------------------------- -RNBRunLoopMode RNBRunLoopLaunchAttaching(RNBRemote *remote, - nub_process_t attach_pid, - nub_process_t &pid) { - RNBContext &ctx = remote->Context(); - - DNBLogThreadedIf(LOG_RNB_MINIMAL, "%s Attaching to pid %i...", __FUNCTION__, - attach_pid); - char err_str[1024]; - pid = DNBProcessAttach(attach_pid, NULL, err_str, sizeof(err_str)); - g_pid = pid; - - if (pid == INVALID_NUB_PROCESS) { - ctx.LaunchStatus().SetError(-1, DNBError::Generic); - if (err_str[0]) - ctx.LaunchStatus().SetErrorString(err_str); - return eRNBRunLoopModeExit; - } else { - ctx.SetProcessID(pid); - return eRNBRunLoopModeInferiorExecuting; - } -} - -//---------------------------------------------------------------------- -// Watch for signals: -// SIGINT: so we can halt our inferior. (disabled for now) -// SIGPIPE: in case our child process dies -//---------------------------------------------------------------------- -int g_sigint_received = 0; -int g_sigpipe_received = 0; -void signal_handler(int signo) { - DNBLogThreadedIf(LOG_RNB_MINIMAL, "%s (%s)", __FUNCTION__, - SysSignal::Name(signo)); - - switch (signo) { - case SIGINT: - g_sigint_received++; - if (g_pid != INVALID_NUB_PROCESS) { - // Only send a SIGINT once... - if (g_sigint_received == 1) { - switch (DNBProcessGetState(g_pid)) { - case eStateRunning: - case eStateStepping: - DNBProcessSignal(g_pid, SIGSTOP); - return; - default: - break; - } - } - } - exit(SIGINT); - break; - - case SIGPIPE: - g_sigpipe_received = 1; - break; - } -} - -// Return the new run loop mode based off of the current process state -RNBRunLoopMode HandleProcessStateChange(RNBRemote *remote, bool initialize) { - RNBContext &ctx = remote->Context(); - nub_process_t pid = ctx.ProcessID(); - - if (pid == INVALID_NUB_PROCESS) { - DNBLogThreadedIf(LOG_RNB_MINIMAL, "#### %s error: pid invalid, exiting...", - __FUNCTION__); - return eRNBRunLoopModeExit; - } - nub_state_t pid_state = DNBProcessGetState(pid); - - DNBLogThreadedIf(LOG_RNB_MINIMAL, - "%s (&remote, initialize=%i) pid_state = %s", __FUNCTION__, - (int)initialize, DNBStateAsString(pid_state)); - - switch (pid_state) { - case eStateInvalid: - case eStateUnloaded: - // Something bad happened - return eRNBRunLoopModeExit; - break; - - case eStateAttaching: - case eStateLaunching: - return eRNBRunLoopModeInferiorExecuting; - - case eStateSuspended: - case eStateCrashed: - case eStateStopped: - // If we stop due to a signal, so clear the fact that we got a SIGINT - // so we can stop ourselves again (but only while our inferior - // process is running..) - g_sigint_received = 0; - if (initialize == false) { - // Compare the last stop count to our current notion of a stop count - // to make sure we don't notify more than once for a given stop. - nub_size_t prev_pid_stop_count = ctx.GetProcessStopCount(); - bool pid_stop_count_changed = - ctx.SetProcessStopCount(DNBProcessGetStopCount(pid)); - if (pid_stop_count_changed) { - remote->FlushSTDIO(); - - if (ctx.GetProcessStopCount() == 1) { - DNBLogThreadedIf( - LOG_RNB_MINIMAL, "%s (&remote, initialize=%i) pid_state = %s " - "pid_stop_count %llu (old %llu)) Notify??? no, " - "first stop...", - __FUNCTION__, (int)initialize, DNBStateAsString(pid_state), - (uint64_t)ctx.GetProcessStopCount(), - (uint64_t)prev_pid_stop_count); - } else { - - DNBLogThreadedIf(LOG_RNB_MINIMAL, "%s (&remote, initialize=%i) " - "pid_state = %s pid_stop_count " - "%llu (old %llu)) Notify??? YES!!!", - __FUNCTION__, (int)initialize, - DNBStateAsString(pid_state), - (uint64_t)ctx.GetProcessStopCount(), - (uint64_t)prev_pid_stop_count); - remote->NotifyThatProcessStopped(); - } - } else { - DNBLogThreadedIf( - LOG_RNB_MINIMAL, "%s (&remote, initialize=%i) pid_state = %s " - "pid_stop_count %llu (old %llu)) Notify??? " - "skipping...", - __FUNCTION__, (int)initialize, DNBStateAsString(pid_state), - (uint64_t)ctx.GetProcessStopCount(), (uint64_t)prev_pid_stop_count); - } - } - return eRNBRunLoopModeInferiorExecuting; - - case eStateStepping: - case eStateRunning: - return eRNBRunLoopModeInferiorExecuting; - - case eStateExited: - remote->HandlePacket_last_signal(NULL); - case eStateDetached: - return eRNBRunLoopModeExit; - } - - // Catch all... - return eRNBRunLoopModeExit; -} -// This function handles the case where our inferior program is stopped and -// we are waiting for gdb remote protocol packets. When a packet occurs that -// makes the inferior run, we need to leave this function with a new state -// as the return code. -RNBRunLoopMode RNBRunLoopInferiorExecuting(RNBRemote *remote) { - DNBLogThreadedIf(LOG_RNB_MINIMAL, "#### %s", __FUNCTION__); - RNBContext &ctx = remote->Context(); - - // Init our mode and set 'is_running' based on the current process state - RNBRunLoopMode mode = HandleProcessStateChange(remote, true); - - while (ctx.ProcessID() != INVALID_NUB_PROCESS) { - - std::string set_events_str; - uint32_t event_mask = ctx.NormalEventBits(); - - if (!ctx.ProcessStateRunning()) { - // Clear some bits if we are not running so we don't send any async - // packets - event_mask &= ~RNBContext::event_proc_stdio_available; - event_mask &= ~RNBContext::event_proc_profile_data; - // When we enable async structured data packets over another logical - // channel, - // this can be relaxed. - event_mask &= ~RNBContext::event_darwin_log_data_available; - } - - // We want to make sure we consume all process state changes and have - // whomever is notifying us to wait for us to reset the event bit before - // continuing. - // ctx.Events().SetResetAckMask (RNBContext::event_proc_state_changed); - - DNBLogThreadedIf(LOG_RNB_EVENTS, - "%s ctx.Events().WaitForSetEvents(0x%08x) ...", - __FUNCTION__, event_mask); - nub_event_t set_events = ctx.Events().WaitForSetEvents(event_mask); - DNBLogThreadedIf(LOG_RNB_EVENTS, - "%s ctx.Events().WaitForSetEvents(0x%08x) => 0x%08x (%s)", - __FUNCTION__, event_mask, set_events, - ctx.EventsAsString(set_events, set_events_str)); - - if (set_events) { - if ((set_events & RNBContext::event_proc_thread_exiting) || - (set_events & RNBContext::event_proc_stdio_available)) { - remote->FlushSTDIO(); - } - - if (set_events & RNBContext::event_proc_profile_data) { - remote->SendAsyncProfileData(); - } - - if (set_events & RNBContext::event_darwin_log_data_available) { - remote->SendAsyncDarwinLogData(); - } - - if (set_events & RNBContext::event_read_packet_available) { - // handleReceivedPacket will take care of resetting the - // event_read_packet_available events when there are no more... - set_events ^= RNBContext::event_read_packet_available; - - if (ctx.ProcessStateRunning()) { - if (remote->HandleAsyncPacket() == rnb_not_connected) { - // TODO: connect again? Exit? - } - } else { - if (remote->HandleReceivedPacket() == rnb_not_connected) { - // TODO: connect again? Exit? - } - } - } - - if (set_events & RNBContext::event_proc_state_changed) { - mode = HandleProcessStateChange(remote, false); - ctx.Events().ResetEvents(RNBContext::event_proc_state_changed); - set_events ^= RNBContext::event_proc_state_changed; - } - - if (set_events & RNBContext::event_proc_thread_exiting) { - mode = eRNBRunLoopModeExit; - } - - if (set_events & RNBContext::event_read_thread_exiting) { - // Out remote packet receiving thread exited, exit for now. - if (ctx.HasValidProcessID()) { - // TODO: We should add code that will leave the current process - // in its current state and listen for another connection... - if (ctx.ProcessStateRunning()) { - if (ctx.GetDetachOnError()) { - DNBLog("debugserver's event read thread is exiting, detaching " - "from the inferior process."); - DNBProcessDetach(ctx.ProcessID()); - } else { - DNBLog("debugserver's event read thread is exiting, killing the " - "inferior process."); - DNBProcessKill(ctx.ProcessID()); - } - } else { - if (ctx.GetDetachOnError()) { - DNBLog("debugserver's event read thread is exiting, detaching " - "from the inferior process."); - DNBProcessDetach(ctx.ProcessID()); - } - } - } - mode = eRNBRunLoopModeExit; - } - } - - // Reset all event bits that weren't reset for now... - if (set_events != 0) - ctx.Events().ResetEvents(set_events); - - if (mode != eRNBRunLoopModeInferiorExecuting) - break; - } - - return mode; -} - -RNBRunLoopMode RNBRunLoopPlatform(RNBRemote *remote) { - RNBRunLoopMode mode = eRNBRunLoopModePlatformMode; - RNBContext &ctx = remote->Context(); - - while (mode == eRNBRunLoopModePlatformMode) { - std::string set_events_str; - const uint32_t event_mask = RNBContext::event_read_packet_available | - RNBContext::event_read_thread_exiting; - - DNBLogThreadedIf(LOG_RNB_EVENTS, - "%s ctx.Events().WaitForSetEvents(0x%08x) ...", - __FUNCTION__, event_mask); - nub_event_t set_events = ctx.Events().WaitForSetEvents(event_mask); - DNBLogThreadedIf(LOG_RNB_EVENTS, - "%s ctx.Events().WaitForSetEvents(0x%08x) => 0x%08x (%s)", - __FUNCTION__, event_mask, set_events, - ctx.EventsAsString(set_events, set_events_str)); - - if (set_events) { - if (set_events & RNBContext::event_read_packet_available) { - if (remote->HandleReceivedPacket() == rnb_not_connected) - mode = eRNBRunLoopModeExit; - } - - if (set_events & RNBContext::event_read_thread_exiting) { - mode = eRNBRunLoopModeExit; - } - ctx.Events().ResetEvents(set_events); - } - } - return eRNBRunLoopModeExit; -} - -//---------------------------------------------------------------------- -// Convenience function to set up the remote listening port -// Returns 1 for success 0 for failure. -//---------------------------------------------------------------------- - -static void PortWasBoundCallbackUnixSocket(const void *baton, in_port_t port) { - //::printf ("PortWasBoundCallbackUnixSocket (baton = %p, port = %u)\n", baton, - //port); - - const char *unix_socket_name = (const char *)baton; - - if (unix_socket_name && unix_socket_name[0]) { - // We were given a unix socket name to use to communicate the port - // that we ended up binding to back to our parent process - struct sockaddr_un saddr_un; - int s = ::socket(AF_UNIX, SOCK_STREAM, 0); - if (s < 0) { - perror("error: socket (AF_UNIX, SOCK_STREAM, 0)"); - exit(1); - } - - saddr_un.sun_family = AF_UNIX; - ::strlcpy(saddr_un.sun_path, unix_socket_name, - sizeof(saddr_un.sun_path) - 1); - saddr_un.sun_path[sizeof(saddr_un.sun_path) - 1] = '\0'; - saddr_un.sun_len = SUN_LEN(&saddr_un); - - if (::connect(s, (struct sockaddr *)&saddr_un, - static_cast<socklen_t>(SUN_LEN(&saddr_un))) < 0) { - perror("error: connect (socket, &saddr_un, saddr_un_len)"); - exit(1); - } - - //::printf ("connect () sucess!!\n"); - - // We were able to connect to the socket, now write our PID so whomever - // launched us will know this process's ID - RNBLogSTDOUT("Listening to port %i...\n", port); - - char pid_str[64]; - const int pid_str_len = ::snprintf(pid_str, sizeof(pid_str), "%u", port); - const ssize_t bytes_sent = ::send(s, pid_str, pid_str_len, 0); - - if (pid_str_len != bytes_sent) { - perror("error: send (s, pid_str, pid_str_len, 0)"); - exit(1); - } - - //::printf ("send () sucess!!\n"); - - // We are done with the socket - close(s); - } -} - -static void PortWasBoundCallbackNamedPipe(const void *baton, uint16_t port) { - const char *named_pipe = (const char *)baton; - if (named_pipe && named_pipe[0]) { - int fd = ::open(named_pipe, O_WRONLY); - if (fd > -1) { - char port_str[64]; - const ssize_t port_str_len = - ::snprintf(port_str, sizeof(port_str), "%u", port); - // Write the port number as a C string with the NULL terminator - ::write(fd, port_str, port_str_len + 1); - close(fd); - } - } -} - -static int ConnectRemote(RNBRemote *remote, const char *host, int port, - bool reverse_connect, const char *named_pipe_path, - const char *unix_socket_name) { - if (!remote->Comm().IsConnected()) { - if (reverse_connect) { - if (port == 0) { - DNBLogThreaded( - "error: invalid port supplied for reverse connection: %i.\n", port); - return 0; - } - if (remote->Comm().Connect(host, port) != rnb_success) { - DNBLogThreaded("Failed to reverse connect to %s:%i.\n", host, port); - return 0; - } - } else { - if (port != 0) - RNBLogSTDOUT("Listening to port %i for a connection from %s...\n", port, - host ? host : "127.0.0.1"); - if (unix_socket_name && unix_socket_name[0]) { - if (remote->Comm().Listen(host, port, PortWasBoundCallbackUnixSocket, - unix_socket_name) != rnb_success) { - RNBLogSTDERR("Failed to get connection from a remote gdb process.\n"); - return 0; - } - } else { - if (remote->Comm().Listen(host, port, PortWasBoundCallbackNamedPipe, - named_pipe_path) != rnb_success) { - RNBLogSTDERR("Failed to get connection from a remote gdb process.\n"); - return 0; - } - } - } - remote->StartReadRemoteDataThread(); - } - return 1; -} - -//---------------------------------------------------------------------- -// ASL Logging callback that can be registered with DNBLogSetLogCallback -//---------------------------------------------------------------------- -void ASLLogCallback(void *baton, uint32_t flags, const char *format, - va_list args) { - if (format == NULL) - return; - static aslmsg g_aslmsg = NULL; - if (g_aslmsg == NULL) { - g_aslmsg = ::asl_new(ASL_TYPE_MSG); - char asl_key_sender[PATH_MAX]; - snprintf(asl_key_sender, sizeof(asl_key_sender), "com.apple.%s-%s", - DEBUGSERVER_PROGRAM_NAME, DEBUGSERVER_VERSION_STR); - ::asl_set(g_aslmsg, ASL_KEY_SENDER, asl_key_sender); - } - - int asl_level; - if (flags & DNBLOG_FLAG_FATAL) - asl_level = ASL_LEVEL_CRIT; - else if (flags & DNBLOG_FLAG_ERROR) - asl_level = ASL_LEVEL_ERR; - else if (flags & DNBLOG_FLAG_WARNING) - asl_level = ASL_LEVEL_WARNING; - else if (flags & DNBLOG_FLAG_VERBOSE) - asl_level = ASL_LEVEL_WARNING; // ASL_LEVEL_INFO; - else - asl_level = ASL_LEVEL_WARNING; // ASL_LEVEL_DEBUG; - - ::asl_vlog(NULL, g_aslmsg, asl_level, format, args); -} - -//---------------------------------------------------------------------- -// FILE based Logging callback that can be registered with -// DNBLogSetLogCallback -//---------------------------------------------------------------------- -void FileLogCallback(void *baton, uint32_t flags, const char *format, - va_list args) { - if (baton == NULL || format == NULL) - return; - - ::vfprintf((FILE *)baton, format, args); - ::fprintf((FILE *)baton, "\n"); - ::fflush((FILE *)baton); -} - -void show_usage_and_exit(int exit_code) { - RNBLogSTDERR( - "Usage:\n %s host:port [program-name program-arg1 program-arg2 ...]\n", - DEBUGSERVER_PROGRAM_NAME); - RNBLogSTDERR(" %s /path/file [program-name program-arg1 program-arg2 ...]\n", - DEBUGSERVER_PROGRAM_NAME); - RNBLogSTDERR(" %s host:port --attach=<pid>\n", DEBUGSERVER_PROGRAM_NAME); - RNBLogSTDERR(" %s /path/file --attach=<pid>\n", DEBUGSERVER_PROGRAM_NAME); - RNBLogSTDERR(" %s host:port --attach=<process_name>\n", - DEBUGSERVER_PROGRAM_NAME); - RNBLogSTDERR(" %s /path/file --attach=<process_name>\n", - DEBUGSERVER_PROGRAM_NAME); - exit(exit_code); -} - -//---------------------------------------------------------------------- -// option descriptors for getopt_long_only() -//---------------------------------------------------------------------- -static struct option g_long_options[] = { - {"attach", required_argument, NULL, 'a'}, - {"arch", required_argument, NULL, 'A'}, - {"debug", no_argument, NULL, 'g'}, - {"kill-on-error", no_argument, NULL, 'K'}, - {"verbose", no_argument, NULL, 'v'}, - {"lockdown", no_argument, &g_lockdown_opt, 1}, // short option "-k" - {"applist", no_argument, &g_applist_opt, 1}, // short option "-t" - {"log-file", required_argument, NULL, 'l'}, - {"log-flags", required_argument, NULL, 'f'}, - {"launch", required_argument, NULL, 'x'}, // Valid values are "auto", - // "posix-spawn", "fork-exec", - // "springboard" (arm only) - {"waitfor", required_argument, NULL, - 'w'}, // Wait for a process whose name starts with ARG - {"waitfor-interval", required_argument, NULL, - 'i'}, // Time in usecs to wait between sampling the pid list when waiting - // for a process by name - {"waitfor-duration", required_argument, NULL, - 'd'}, // The time in seconds to wait for a process to show up by name - {"native-regs", no_argument, NULL, 'r'}, // Specify to use the native - // registers instead of the gdb - // defaults for the architecture. - {"stdio-path", required_argument, NULL, - 's'}, // Set the STDIO path to be used when launching applications (STDIN, - // STDOUT and STDERR) (only if debugserver launches the process) - {"stdin-path", required_argument, NULL, - 'I'}, // Set the STDIN path to be used when launching applications (only if - // debugserver launches the process) - {"stdout-path", required_argument, NULL, - 'O'}, // Set the STDOUT path to be used when launching applications (only - // if debugserver launches the process) - {"stderr-path", required_argument, NULL, - 'E'}, // Set the STDERR path to be used when launching applications (only - // if debugserver launches the process) - {"no-stdio", no_argument, NULL, - 'n'}, // Do not set up any stdio (perhaps the program is a GUI program) - // (only if debugserver launches the process) - {"setsid", no_argument, NULL, - 'S'}, // call setsid() to make debugserver run in its own session - {"disable-aslr", no_argument, NULL, 'D'}, // Use _POSIX_SPAWN_DISABLE_ASLR - // to avoid shared library - // randomization - {"working-dir", required_argument, NULL, - 'W'}, // The working directory that the inferior process should have (only - // if debugserver launches the process) - {"platform", required_argument, NULL, - 'p'}, // Put this executable into a remote platform mode - {"unix-socket", required_argument, NULL, - 'u'}, // If we need to handshake with our parent process, an option will be - // passed down that specifies a unix socket name to use - {"fd", required_argument, NULL, - '2'}, // A file descriptor was passed to this process when spawned that - // is already open and ready for communication - {"named-pipe", required_argument, NULL, 'P'}, - {"reverse-connect", no_argument, NULL, 'R'}, - {"env", required_argument, NULL, - 'e'}, // When debugserver launches the process, set a single environment - // entry as specified by the option value ("./debugserver -e FOO=1 -e - // BAR=2 localhost:1234 -- /bin/ls") - {"forward-env", no_argument, NULL, - 'F'}, // When debugserver launches the process, forward debugserver's - // current environment variables to the child process ("./debugserver - // -F localhost:1234 -- /bin/ls" - {NULL, 0, NULL, 0}}; - -//---------------------------------------------------------------------- -// main -//---------------------------------------------------------------------- -int main(int argc, char *argv[]) { - // If debugserver is launched with DYLD_INSERT_LIBRARIES, unset it so we - // don't spawn child processes with this enabled. - unsetenv("DYLD_INSERT_LIBRARIES"); - - const char *argv_sub_zero = - argv[0]; // save a copy of argv[0] for error reporting post-launch - -#if defined(__APPLE__) - pthread_setname_np("main thread"); -#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__) - struct sched_param thread_param; - int thread_sched_policy; - if (pthread_getschedparam(pthread_self(), &thread_sched_policy, - &thread_param) == 0) { - thread_param.sched_priority = 47; - pthread_setschedparam(pthread_self(), thread_sched_policy, &thread_param); - } - - ::proc_set_wakemon_params( - getpid(), 500, - 0); // Allow up to 500 wakeups/sec to avoid EXC_RESOURCE for normal use. -#endif -#endif - - g_isatty = ::isatty(STDIN_FILENO); - - // ::printf ("uid=%u euid=%u gid=%u egid=%u\n", - // getuid(), - // geteuid(), - // getgid(), - // getegid()); - - // signal (SIGINT, signal_handler); - signal(SIGPIPE, signal_handler); - signal(SIGHUP, signal_handler); - - // We're always sitting in waitpid or kevent waiting on our target process' - // death, - // we don't need no stinking SIGCHLD's... - - sigset_t sigset; - sigemptyset(&sigset); - sigaddset(&sigset, SIGCHLD); - sigprocmask(SIG_BLOCK, &sigset, NULL); - - g_remoteSP.reset(new RNBRemote()); - - RNBRemote *remote = g_remoteSP.get(); - if (remote == NULL) { - RNBLogSTDERR("error: failed to create a remote connection class\n"); - return -1; - } - - RNBContext &ctx = remote->Context(); - - int i; - int attach_pid = INVALID_NUB_PROCESS; - - FILE *log_file = NULL; - uint32_t log_flags = 0; - // Parse our options - int ch; - int long_option_index = 0; - int debug = 0; - int communication_fd = -1; - std::string compile_options; - std::string waitfor_pid_name; // Wait for a process that starts with this name - std::string attach_pid_name; - std::string arch_name; - std::string working_dir; // The new working directory to use for the inferior - std::string unix_socket_name; // If we need to handshake with our parent - // process, an option will be passed down that - // specifies a unix socket name to use - std::string named_pipe_path; // If we need to handshake with our parent - // process, an option will be passed down that - // specifies a named pipe to use - useconds_t waitfor_interval = 1000; // Time in usecs between process lists - // polls when waiting for a process by - // name, default 1 msec. - useconds_t waitfor_duration = - 0; // Time in seconds to wait for a process by name, 0 means wait forever. - bool no_stdio = false; - bool reverse_connect = false; // Set to true by an option to indicate we - // should reverse connect to the host:port - // supplied as the first debugserver argument - -#if !defined(DNBLOG_ENABLED) - compile_options += "(no-logging) "; -#endif - - RNBRunLoopMode start_mode = eRNBRunLoopModeExit; - - char short_options[512]; - uint32_t short_options_idx = 0; - - // Handle the two case that don't have short options in g_long_options - short_options[short_options_idx++] = 'k'; - short_options[short_options_idx++] = 't'; - - for (i = 0; g_long_options[i].name != NULL; ++i) { - if (isalpha(g_long_options[i].val)) { - short_options[short_options_idx++] = g_long_options[i].val; - switch (g_long_options[i].has_arg) { - default: - case no_argument: - break; - - case optional_argument: - short_options[short_options_idx++] = ':'; - // Fall through to required_argument case below... - case required_argument: - short_options[short_options_idx++] = ':'; - break; - } - } - } - // NULL terminate the short option string. - short_options[short_options_idx++] = '\0'; - -#if __GLIBC__ - optind = 0; -#else - optreset = 1; - optind = 1; -#endif - - bool forward_env = false; - while ((ch = getopt_long_only(argc, argv, short_options, g_long_options, - &long_option_index)) != -1) { - DNBLogDebug("option: ch == %c (0x%2.2x) --%s%c%s\n", ch, (uint8_t)ch, - g_long_options[long_option_index].name, - g_long_options[long_option_index].has_arg ? '=' : ' ', - optarg ? optarg : ""); - switch (ch) { - case 0: // Any optional that auto set themselves will return 0 - break; - - case 'A': - if (optarg && optarg[0]) - arch_name.assign(optarg); - break; - - case 'a': - if (optarg && optarg[0]) { - if (isdigit(optarg[0])) { - char *end = NULL; - attach_pid = static_cast<int>(strtoul(optarg, &end, 0)); - if (end == NULL || *end != '\0') { - RNBLogSTDERR("error: invalid pid option '%s'\n", optarg); - exit(4); - } - } else { - attach_pid_name = optarg; - } - start_mode = eRNBRunLoopModeInferiorAttaching; - } - break; - - // --waitfor=NAME - case 'w': - if (optarg && optarg[0]) { - waitfor_pid_name = optarg; - start_mode = eRNBRunLoopModeInferiorAttaching; - } - break; - - // --waitfor-interval=USEC - case 'i': - if (optarg && optarg[0]) { - char *end = NULL; - waitfor_interval = static_cast<useconds_t>(strtoul(optarg, &end, 0)); - if (end == NULL || *end != '\0') { - RNBLogSTDERR("error: invalid waitfor-interval option value '%s'.\n", - optarg); - exit(6); - } - } - break; - - // --waitfor-duration=SEC - case 'd': - if (optarg && optarg[0]) { - char *end = NULL; - waitfor_duration = static_cast<useconds_t>(strtoul(optarg, &end, 0)); - if (end == NULL || *end != '\0') { - RNBLogSTDERR("error: invalid waitfor-duration option value '%s'.\n", - optarg); - exit(7); - } - } - break; - - case 'K': - g_detach_on_error = false; - break; - case 'W': - if (optarg && optarg[0]) - working_dir.assign(optarg); - break; - - case 'x': - if (optarg && optarg[0]) { - if (strcasecmp(optarg, "auto") == 0) - g_launch_flavor = eLaunchFlavorDefault; - else if (strcasestr(optarg, "posix") == optarg) - g_launch_flavor = eLaunchFlavorPosixSpawn; - else if (strcasestr(optarg, "fork") == optarg) - g_launch_flavor = eLaunchFlavorForkExec; -#ifdef WITH_SPRINGBOARD - else if (strcasestr(optarg, "spring") == optarg) - g_launch_flavor = eLaunchFlavorSpringBoard; -#endif -#ifdef WITH_BKS - else if (strcasestr(optarg, "backboard") == optarg) - g_launch_flavor = eLaunchFlavorBKS; -#endif -#ifdef WITH_FBS - else if (strcasestr(optarg, "frontboard") == optarg) - g_launch_flavor = eLaunchFlavorFBS; -#endif - - else { - RNBLogSTDERR("error: invalid TYPE for the --launch=TYPE (-x TYPE) " - "option: '%s'\n", - optarg); - RNBLogSTDERR("Valid values TYPE are:\n"); - RNBLogSTDERR( - " auto Auto-detect the best launch method to use.\n"); - RNBLogSTDERR( - " posix Launch the executable using posix_spawn.\n"); - RNBLogSTDERR( - " fork Launch the executable using fork and exec.\n"); -#ifdef WITH_SPRINGBOARD - RNBLogSTDERR( - " spring Launch the executable through Springboard.\n"); -#endif -#ifdef WITH_BKS - RNBLogSTDERR(" backboard Launch the executable through BackBoard " - "Services.\n"); -#endif -#ifdef WITH_FBS - RNBLogSTDERR(" frontboard Launch the executable through FrontBoard " - "Services.\n"); -#endif - exit(5); - } - } - break; - - case 'l': // Set Log File - if (optarg && optarg[0]) { - if (strcasecmp(optarg, "stdout") == 0) - log_file = stdout; - else if (strcasecmp(optarg, "stderr") == 0) - log_file = stderr; - else { - log_file = fopen(optarg, "w"); - if (log_file != NULL) - setlinebuf(log_file); - } - - if (log_file == NULL) { - const char *errno_str = strerror(errno); - RNBLogSTDERR( - "Failed to open log file '%s' for writing: errno = %i (%s)", - optarg, errno, errno_str ? errno_str : "unknown error"); - } - } - break; - - case 'f': // Log Flags - if (optarg && optarg[0]) - log_flags = static_cast<uint32_t>(strtoul(optarg, NULL, 0)); - break; - - case 'g': - debug = 1; - DNBLogSetDebug(debug); - break; - - case 't': - g_applist_opt = 1; - break; - - case 'k': - g_lockdown_opt = 1; - break; - - case 'r': - // Do nothing, native regs is the default these days - break; - - case 'R': - reverse_connect = true; - break; - case 'v': - DNBLogSetVerbose(1); - break; - - case 's': - ctx.GetSTDIN().assign(optarg); - ctx.GetSTDOUT().assign(optarg); - ctx.GetSTDERR().assign(optarg); - break; - - case 'I': - ctx.GetSTDIN().assign(optarg); - break; - - case 'O': - ctx.GetSTDOUT().assign(optarg); - break; - - case 'E': - ctx.GetSTDERR().assign(optarg); - break; - - case 'n': - no_stdio = true; - break; - - case 'S': - // Put debugserver into a new session. Terminals group processes - // into sessions and when a special terminal key sequences - // (like control+c) are typed they can cause signals to go out to - // all processes in a session. Using this --setsid (-S) option - // will cause debugserver to run in its own sessions and be free - // from such issues. - // - // This is useful when debugserver is spawned from a command - // line application that uses debugserver to do the debugging, - // yet that application doesn't want debugserver receiving the - // signals sent to the session (i.e. dying when anyone hits ^C). - setsid(); - break; - case 'D': - g_disable_aslr = 1; - break; - - case 'p': - start_mode = eRNBRunLoopModePlatformMode; - break; - - case 'u': - unix_socket_name.assign(optarg); - break; - - case 'P': - named_pipe_path.assign(optarg); - break; - - case 'e': - // Pass a single specified environment variable down to the process that - // gets launched - remote->Context().PushEnvironment(optarg); - break; - - case 'F': - forward_env = true; - break; - - case '2': - // File descriptor passed to this process during fork/exec and is already - // open and ready for communication. - communication_fd = atoi(optarg); - break; - } - } - - if (arch_name.empty()) { -#if defined(__arm__) - arch_name.assign("arm"); -#endif - } else { - DNBSetArchitecture(arch_name.c_str()); - } - - // if (arch_name.empty()) - // { - // fprintf(stderr, "error: no architecture was specified\n"); - // exit (8); - // } - // Skip any options we consumed with getopt_long_only - argc -= optind; - argv += optind; - - if (!working_dir.empty()) { - if (remote->Context().SetWorkingDirectory(working_dir.c_str()) == false) { - RNBLogSTDERR("error: working directory doesn't exist '%s'.\n", - working_dir.c_str()); - exit(8); - } - } - - remote->Context().SetDetachOnError(g_detach_on_error); - - remote->Initialize(); - - // It is ok for us to set NULL as the logfile (this will disable any logging) - - if (log_file != NULL) { - DNBLogSetLogCallback(FileLogCallback, log_file); - // If our log file was set, yet we have no log flags, log everything! - if (log_flags == 0) - log_flags = LOG_ALL | LOG_RNB_ALL; - - DNBLogSetLogMask(log_flags); - } else { - // Enable DNB logging - - // if os_log() support is available, log through that. - auto log_callback = OsLogger::GetLogFunction(); - if (log_callback) { - DNBLogSetLogCallback(log_callback, nullptr); - DNBLog("debugserver will use os_log for internal logging."); - } else { - // Fall back to ASL support. - DNBLogSetLogCallback(ASLLogCallback, NULL); - DNBLog("debugserver will use ASL for internal logging."); - } - DNBLogSetLogMask(log_flags); - } - - if (DNBLogEnabled()) { - for (i = 0; i < argc; i++) - DNBLogDebug("argv[%i] = %s", i, argv[i]); - } - - // as long as we're dropping remotenub in as a replacement for gdbserver, - // explicitly note that this is not gdbserver. - - RNBLogSTDOUT("%s-%s %sfor %s.\n", DEBUGSERVER_PROGRAM_NAME, - DEBUGSERVER_VERSION_STR, compile_options.c_str(), RNB_ARCH); - - std::string host; - int port = INT32_MAX; - char str[PATH_MAX]; - str[0] = '\0'; - - if (g_lockdown_opt == 0 && g_applist_opt == 0 && communication_fd == -1) { - // Make sure we at least have port - if (argc < 1) { - show_usage_and_exit(1); - } - // accept 'localhost:' prefix on port number - std::string host_specifier = argv[0]; - auto colon_location = host_specifier.rfind(':'); - if (colon_location != std::string::npos) { - host = host_specifier.substr(0, colon_location); - std::string port_str = - host_specifier.substr(colon_location + 1, std::string::npos); - char *end_ptr; - port = strtoul(port_str.c_str(), &end_ptr, 0); - if (end_ptr < port_str.c_str() + port_str.size()) - show_usage_and_exit(2); - if (host.front() == '[' && host.back() == ']') - host = host.substr(1, host.size() - 2); - DNBLogDebug("host = '%s' port = %i", host.c_str(), port); - } else { - // No hostname means "localhost" - int items_scanned = ::sscanf(argv[0], "%i", &port); - if (items_scanned == 1) { - host = "127.0.0.1"; - DNBLogDebug("host = '%s' port = %i", host.c_str(), port); - } else if (argv[0][0] == '/') { - port = INT32_MAX; - strlcpy(str, argv[0], sizeof(str)); - } else { - show_usage_and_exit(2); - } - } - - // We just used the 'host:port' or the '/path/file' arg... - argc--; - argv++; - } - - // If we know we're waiting to attach, we don't need any of this other info. - if (start_mode != eRNBRunLoopModeInferiorAttaching && - start_mode != eRNBRunLoopModePlatformMode) { - if (argc == 0 || g_lockdown_opt) { - if (g_lockdown_opt != 0) { - // Work around for SIGPIPE crashes due to posix_spawn issue. - // We have to close STDOUT and STDERR, else the first time we - // try and do any, we get SIGPIPE and die as posix_spawn is - // doing bad things with our file descriptors at the moment. - int null = open("/dev/null", O_RDWR); - dup2(null, STDOUT_FILENO); - dup2(null, STDERR_FILENO); - } else if (g_applist_opt != 0) { - // List all applications we are able to see - std::string applist_plist; - int err = ListApplications(applist_plist, false, false); - if (err == 0) { - fputs(applist_plist.c_str(), stdout); - } else { - RNBLogSTDERR("error: ListApplications returned error %i\n", err); - } - // Exit with appropriate error if we were asked to list the applications - // with no other args were given (and we weren't trying to do this over - // lockdown) - return err; - } - - DNBLogDebug("Get args from remote protocol..."); - start_mode = eRNBRunLoopModeGetStartModeFromRemoteProtocol; - } else { - start_mode = eRNBRunLoopModeInferiorLaunching; - // Fill in the argv array in the context from the rest of our args. - // Skip the name of this executable and the port number - for (int i = 0; i < argc; i++) { - DNBLogDebug("inferior_argv[%i] = '%s'", i, argv[i]); - ctx.PushArgument(argv[i]); - } - } - } - - if (start_mode == eRNBRunLoopModeExit) - return -1; - - if (forward_env || start_mode == eRNBRunLoopModeInferiorLaunching) { - // Pass the current environment down to the process that gets launched - // This happens automatically in the "launching" mode. For the rest, we - // only do that if the user explicitly requested this via --forward-env - // argument. - char **host_env = *_NSGetEnviron(); - char *env_entry; - size_t i; - for (i = 0; (env_entry = host_env[i]) != NULL; ++i) - remote->Context().PushEnvironmentIfNeeded(env_entry); - } - - RNBRunLoopMode mode = start_mode; - char err_str[1024] = {'\0'}; - - while (mode != eRNBRunLoopModeExit) { - switch (mode) { - case eRNBRunLoopModeGetStartModeFromRemoteProtocol: -#ifdef WITH_LOCKDOWN - if (g_lockdown_opt) { - if (!remote->Comm().IsConnected()) { - if (remote->Comm().ConnectToService() != rnb_success) { - RNBLogSTDERR( - "Failed to get connection from a remote gdb process.\n"); - mode = eRNBRunLoopModeExit; - } else if (g_applist_opt != 0) { - // List all applications we are able to see - std::string applist_plist; - if (ListApplications(applist_plist, false, false) == 0) { - DNBLogDebug("Task list: %s", applist_plist.c_str()); - - remote->Comm().Write(applist_plist.c_str(), applist_plist.size()); - // Issue a read that will never yield any data until the other - // side - // closes the socket so this process doesn't just exit and cause - // the - // socket to close prematurely on the other end and cause data - // loss. - std::string buf; - remote->Comm().Read(buf); - } - remote->Comm().Disconnect(false); - mode = eRNBRunLoopModeExit; - break; - } else { - // Start watching for remote packets - remote->StartReadRemoteDataThread(); - } - } - } else -#endif - if (port != INT32_MAX) { - if (!ConnectRemote(remote, host.c_str(), port, reverse_connect, - named_pipe_path.c_str(), unix_socket_name.c_str())) - mode = eRNBRunLoopModeExit; - } else if (str[0] == '/') { - if (remote->Comm().OpenFile(str)) - mode = eRNBRunLoopModeExit; - } else if (communication_fd >= 0) { - // We were passed a file descriptor to use during fork/exec that is - // already open - // in our process, so lets just use it! - if (remote->Comm().useFD(communication_fd)) - mode = eRNBRunLoopModeExit; - else - remote->StartReadRemoteDataThread(); - } - - if (mode != eRNBRunLoopModeExit) { - RNBLogSTDOUT("Got a connection, waiting for process information for " - "launching or attaching.\n"); - - mode = RNBRunLoopGetStartModeFromRemote(remote); - } - break; - - case eRNBRunLoopModeInferiorAttaching: - if (!waitfor_pid_name.empty()) { - // Set our end wait time if we are using a waitfor-duration - // option that may have been specified - struct timespec attach_timeout_abstime, *timeout_ptr = NULL; - if (waitfor_duration != 0) { - DNBTimer::OffsetTimeOfDay(&attach_timeout_abstime, waitfor_duration, - 0); - timeout_ptr = &attach_timeout_abstime; - } - nub_launch_flavor_t launch_flavor = g_launch_flavor; - if (launch_flavor == eLaunchFlavorDefault) { - // Our default launch method is posix spawn - launch_flavor = eLaunchFlavorPosixSpawn; - -#if defined WITH_FBS - // Check if we have an app bundle, if so launch using SpringBoard. - if (waitfor_pid_name.find(".app") != std::string::npos) { - launch_flavor = eLaunchFlavorFBS; - } -#elif defined WITH_BKS - // Check if we have an app bundle, if so launch using SpringBoard. - if (waitfor_pid_name.find(".app") != std::string::npos) { - launch_flavor = eLaunchFlavorBKS; - } -#elif defined WITH_SPRINGBOARD - // Check if we have an app bundle, if so launch using SpringBoard. - if (waitfor_pid_name.find(".app") != std::string::npos) { - launch_flavor = eLaunchFlavorSpringBoard; - } -#endif - } - - ctx.SetLaunchFlavor(launch_flavor); - bool ignore_existing = false; - RNBLogSTDOUT("Waiting to attach to process %s...\n", - waitfor_pid_name.c_str()); - nub_process_t pid = DNBProcessAttachWait( - waitfor_pid_name.c_str(), launch_flavor, ignore_existing, - timeout_ptr, waitfor_interval, err_str, sizeof(err_str)); - g_pid = pid; - - if (pid == INVALID_NUB_PROCESS) { - ctx.LaunchStatus().SetError(-1, DNBError::Generic); - if (err_str[0]) - ctx.LaunchStatus().SetErrorString(err_str); - RNBLogSTDERR("error: failed to attach to process named: \"%s\" %s\n", - waitfor_pid_name.c_str(), err_str); - mode = eRNBRunLoopModeExit; - } else { - ctx.SetProcessID(pid); - mode = eRNBRunLoopModeInferiorExecuting; - } - } else if (attach_pid != INVALID_NUB_PROCESS) { - - RNBLogSTDOUT("Attaching to process %i...\n", attach_pid); - nub_process_t attached_pid; - mode = RNBRunLoopLaunchAttaching(remote, attach_pid, attached_pid); - if (mode != eRNBRunLoopModeInferiorExecuting) { - const char *error_str = remote->Context().LaunchStatus().AsString(); - RNBLogSTDERR("error: failed to attach process %i: %s\n", attach_pid, - error_str ? error_str : "unknown error."); - mode = eRNBRunLoopModeExit; - } - } else if (!attach_pid_name.empty()) { - struct timespec attach_timeout_abstime, *timeout_ptr = NULL; - if (waitfor_duration != 0) { - DNBTimer::OffsetTimeOfDay(&attach_timeout_abstime, waitfor_duration, - 0); - timeout_ptr = &attach_timeout_abstime; - } - - RNBLogSTDOUT("Attaching to process %s...\n", attach_pid_name.c_str()); - nub_process_t pid = DNBProcessAttachByName( - attach_pid_name.c_str(), timeout_ptr, err_str, sizeof(err_str)); - g_pid = pid; - if (pid == INVALID_NUB_PROCESS) { - ctx.LaunchStatus().SetError(-1, DNBError::Generic); - if (err_str[0]) - ctx.LaunchStatus().SetErrorString(err_str); - RNBLogSTDERR("error: failed to attach to process named: \"%s\" %s\n", - waitfor_pid_name.c_str(), err_str); - mode = eRNBRunLoopModeExit; - } else { - ctx.SetProcessID(pid); - mode = eRNBRunLoopModeInferiorExecuting; - } - - } else { - RNBLogSTDERR( - "error: asked to attach with empty name and invalid PID.\n"); - mode = eRNBRunLoopModeExit; - } - - if (mode != eRNBRunLoopModeExit) { - if (port != INT32_MAX) { - if (!ConnectRemote(remote, host.c_str(), port, reverse_connect, - named_pipe_path.c_str(), unix_socket_name.c_str())) - mode = eRNBRunLoopModeExit; - } else if (str[0] == '/') { - if (remote->Comm().OpenFile(str)) - mode = eRNBRunLoopModeExit; - } else if (communication_fd >= 0) { - // We were passed a file descriptor to use during fork/exec that is - // already open - // in our process, so lets just use it! - if (remote->Comm().useFD(communication_fd)) - mode = eRNBRunLoopModeExit; - else - remote->StartReadRemoteDataThread(); - } - - if (mode != eRNBRunLoopModeExit) - RNBLogSTDOUT("Waiting for debugger instructions for process %d.\n", - attach_pid); - } - break; - - case eRNBRunLoopModeInferiorLaunching: { - mode = RNBRunLoopLaunchInferior(remote, ctx.GetSTDINPath(), - ctx.GetSTDOUTPath(), ctx.GetSTDERRPath(), - no_stdio); - - if (mode == eRNBRunLoopModeInferiorExecuting) { - if (port != INT32_MAX) { - if (!ConnectRemote(remote, host.c_str(), port, reverse_connect, - named_pipe_path.c_str(), unix_socket_name.c_str())) - mode = eRNBRunLoopModeExit; - } else if (str[0] == '/') { - if (remote->Comm().OpenFile(str)) - mode = eRNBRunLoopModeExit; - } else if (communication_fd >= 0) { - // We were passed a file descriptor to use during fork/exec that is - // already open - // in our process, so lets just use it! - if (remote->Comm().useFD(communication_fd)) - mode = eRNBRunLoopModeExit; - else - remote->StartReadRemoteDataThread(); - } - - if (mode != eRNBRunLoopModeExit) { - const char *proc_name = "<unknown>"; - if (ctx.ArgumentCount() > 0) - proc_name = ctx.ArgumentAtIndex(0); - RNBLogSTDOUT("Got a connection, launched process %s (pid = %d).\n", - proc_name, ctx.ProcessID()); - } - } else { - const char *error_str = remote->Context().LaunchStatus().AsString(); - RNBLogSTDERR("error: failed to launch process %s: %s\n", argv_sub_zero, - error_str ? error_str : "unknown error."); - } - } break; - - case eRNBRunLoopModeInferiorExecuting: - mode = RNBRunLoopInferiorExecuting(remote); - break; - - case eRNBRunLoopModePlatformMode: - if (port != INT32_MAX) { - if (!ConnectRemote(remote, host.c_str(), port, reverse_connect, - named_pipe_path.c_str(), unix_socket_name.c_str())) - mode = eRNBRunLoopModeExit; - } else if (str[0] == '/') { - if (remote->Comm().OpenFile(str)) - mode = eRNBRunLoopModeExit; - } else if (communication_fd >= 0) { - // We were passed a file descriptor to use during fork/exec that is - // already open - // in our process, so lets just use it! - if (remote->Comm().useFD(communication_fd)) - mode = eRNBRunLoopModeExit; - else - remote->StartReadRemoteDataThread(); - } - - if (mode != eRNBRunLoopModeExit) - mode = RNBRunLoopPlatform(remote); - break; - - default: - mode = eRNBRunLoopModeExit; - case eRNBRunLoopModeExit: - break; - } - } - - remote->StopReadRemoteDataThread(); - remote->Context().SetProcessID(INVALID_NUB_PROCESS); - RNBLogSTDOUT("Exiting.\n"); - - return 0; -} |