| //===-- 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 <sys/socket.h> |
| #include <sys/types.h> |
| #include <errno.h> |
| #include <getopt.h> |
| #include <netinet/in.h> |
| #include <sys/select.h> |
| #include <sys/sysctl.h> |
| #include <string> |
| #include <vector> |
| #include <asl.h> |
| #include <arpa/inet.h> |
| #include <netdb.h> |
| #include <netinet/in.h> |
| #include <netinet/tcp.h> |
| #include <sys/un.h> |
| #include <sys/types.h> |
| |
| #include "CFString.h" |
| #include "DNB.h" |
| #include "DNBLog.h" |
| #include "DNBTimer.h" |
| #include "PseudoTerminal.h" |
| #include "RNBContext.h" |
| #include "RNBServices.h" |
| #include "RNBSocket.h" |
| #include "RNBRemote.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; |
| |
| #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."); |
| 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) |
| { |
| if (err == rnb_success) |
| return eRNBRunLoopModeInferiorExecuting; |
| else |
| { |
| RNBLogSTDERR ("error: attach failed."); |
| 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."); |
| 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; |
| |
| #ifdef 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)) ) |
| ::strncpy(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()); |
| 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, |
| 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(launch_err_str); |
| } |
| 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) |
| { |
| default: |
| 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 %zu (old %zu)) Notify??? no, first stop...", __FUNCTION__, (int)initialize, DNBStateAsString (pid_state), ctx.GetProcessStopCount(), prev_pid_stop_count); |
| } |
| else |
| { |
| |
| DNBLogThreadedIf (LOG_RNB_MINIMAL, "%s (&remote, initialize=%i) pid_state = %s pid_stop_count %zu (old %zu)) Notify??? YES!!!", __FUNCTION__, (int)initialize, DNBStateAsString (pid_state), ctx.GetProcessStopCount(), prev_pid_stop_count); |
| remote->NotifyThatProcessStopped (); |
| } |
| } |
| else |
| { |
| DNBLogThreadedIf (LOG_RNB_MINIMAL, "%s (&remote, initialize=%i) pid_state = %s pid_stop_count %zu (old %zu)) Notify??? skipping...", __FUNCTION__, (int)initialize, DNBStateAsString (pid_state), ctx.GetProcessStopCount(), 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 the stdio bits if we are not running so we don't send any async packets |
| event_mask &= ~RNBContext::event_proc_stdio_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_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()) |
| { |
| DNBProcessKill (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 |
| PortWasBoundCallback (const void *baton, in_port_t port) |
| { |
| //::printf ("PortWasBoundCallback (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; |
| ::strncpy(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, 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 int 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 int |
| StartListening (RNBRemote *remote, int listen_port, const char *unix_socket_name) |
| { |
| if (!remote->Comm().IsConnected()) |
| { |
| if (listen_port != 0) |
| RNBLogSTDOUT ("Listening to port %i...\n", listen_port); |
| if (remote->Comm().Listen(listen_port, PortWasBoundCallback, unix_socket_name) != rnb_success) |
| { |
| RNBLogSTDERR ("Failed to get connection from a remote gdb process.\n"); |
| return 0; |
| } |
| else |
| { |
| 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-%g", DEBUGSERVER_PROGRAM_NAME, DEBUGSERVER_VERSION_NUM); |
| ::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"); |
| } |
| |
| |
| 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() |
| //---------------------------------------------------------------------- |
| static struct option g_long_options[] = |
| { |
| { "attach", required_argument, NULL, 'a' }, |
| { "arch", required_argument, NULL, 'A' }, |
| { "debug", no_argument, NULL, 'g' }, |
| { "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 |
| { NULL, 0, NULL, 0 } |
| }; |
| |
| |
| //---------------------------------------------------------------------- |
| // main |
| //---------------------------------------------------------------------- |
| int |
| main (int argc, char *argv[]) |
| { |
| 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); |
| |
| 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; |
| 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 |
| 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; |
| |
| #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'; |
| while ((ch = getopt_long(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 = 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 = 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 = strtoul(optarg, &end, 0); |
| if (end == NULL || *end != '\0') |
| { |
| RNBLogSTDERR ("error: invalid waitfor-duration option value '%s'.\n", optarg); |
| exit (7); |
| } |
| } |
| 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 |
| 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 |
| 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 = 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': |
| remote->SetUseNativeRegisters (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; |
| |
| } |
| } |
| |
| 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 |
| 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->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 |
| DNBLogSetLogCallback(ASLLogCallback, NULL); |
| 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-%g %sfor %s.\n", |
| DEBUGSERVER_PROGRAM_NAME, |
| DEBUGSERVER_VERSION_NUM, |
| compile_options.c_str(), |
| RNB_ARCH); |
| |
| int listen_port = INT32_MAX; |
| char str[PATH_MAX]; |
| |
| if (g_lockdown_opt == 0 && g_applist_opt == 0) |
| { |
| // Make sure we at least have port |
| if (argc < 1) |
| { |
| show_usage_and_exit (1); |
| } |
| // accept 'localhost:' prefix on port number |
| |
| int items_scanned = ::sscanf (argv[0], "%[^:]:%i", str, &listen_port); |
| if (items_scanned == 2) |
| { |
| DNBLogDebug("host = '%s' port = %i", str, listen_port); |
| } |
| else if (argv[0][0] == '/') |
| { |
| listen_port = INT32_MAX; |
| strncpy(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; |
| |
| 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 (listen_port != INT32_MAX) |
| { |
| if (!StartListening (remote, listen_port, unix_socket_name.c_str())) |
| mode = eRNBRunLoopModeExit; |
| } |
| else if (str[0] == '/') |
| { |
| if (remote->Comm().OpenFile (str)) |
| mode = eRNBRunLoopModeExit; |
| } |
| |
| 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; |
| |
| #ifdef 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); |
| |
| nub_process_t pid = DNBProcessAttachWait (waitfor_pid_name.c_str(), launch_flavor, 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", 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; |
| } |
| |
| 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", 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."); |
| mode = eRNBRunLoopModeExit; |
| } |
| |
| if (mode != eRNBRunLoopModeExit) |
| { |
| if (listen_port != INT32_MAX) |
| { |
| if (!StartListening (remote, listen_port, unix_socket_name.c_str())) |
| mode = eRNBRunLoopModeExit; |
| } |
| else if (str[0] == '/') |
| { |
| if (remote->Comm().OpenFile (str)) |
| mode = eRNBRunLoopModeExit; |
| } |
| if (mode != eRNBRunLoopModeExit) |
| RNBLogSTDOUT ("Got a connection, 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 (listen_port != INT32_MAX) |
| { |
| if (!StartListening (remote, listen_port, unix_socket_name.c_str())) |
| mode = eRNBRunLoopModeExit; |
| } |
| else if (str[0] == '/') |
| { |
| if (remote->Comm().OpenFile (str)) |
| mode = eRNBRunLoopModeExit; |
| } |
| |
| if (mode != eRNBRunLoopModeExit) |
| RNBLogSTDOUT ("Got a connection, waiting for debugger instructions.\n"); |
| } |
| else |
| { |
| const char *error_str = remote->Context().LaunchStatus().AsString(); |
| RNBLogSTDERR ("error: failed to launch process %s: %s\n", argv[0], error_str ? error_str : "unknown error."); |
| } |
| } |
| break; |
| |
| case eRNBRunLoopModeInferiorExecuting: |
| mode = RNBRunLoopInferiorExecuting(remote); |
| break; |
| |
| case eRNBRunLoopModePlatformMode: |
| if (listen_port != INT32_MAX) |
| { |
| if (!StartListening (remote, listen_port, unix_socket_name.c_str())) |
| mode = eRNBRunLoopModeExit; |
| } |
| else if (str[0] == '/') |
| { |
| if (remote->Comm().OpenFile (str)) |
| mode = eRNBRunLoopModeExit; |
| } |
| |
| if (mode != eRNBRunLoopModeExit) |
| mode = RNBRunLoopPlatform (remote); |
| break; |
| |
| default: |
| mode = eRNBRunLoopModeExit; |
| case eRNBRunLoopModeExit: |
| break; |
| } |
| } |
| |
| remote->StopReadRemoteDataThread (); |
| remote->Context().SetProcessID(INVALID_NUB_PROCESS); |
| |
| return 0; |
| } |
