コード例 #1
0
ファイル: socket.c プロジェクト: PankajKataria/radare2
R_API int r_socket_spawn (RSocket *s, const char *cmd, unsigned int timeout) {
	// XXX TODO: dont use sockets, we can achieve the same with pipes
	const int port = 2000 + r_num_rand (2000);
	int childPid = r_sys_fork();
	if (childPid == 0) {
		char *a = r_str_replace (strdup (cmd), "\\", "\\\\", true);
		r_sys_cmdf ("rarun2 system=\"%s\" listen=%d", a, port);
		free (a);
#if 0
		// TODO: use the api
		char *profile = r_str_newf (
				"system=%s\n"
				"listen=%d\n", cmd, port);
		RRunProfile *rp = r_run_new (profile);
		r_run_start (rp);
		r_run_free (rp);
		free (profile);
#endif
		eprintf ("r_socket_spawn: %s is dead\n", cmd);
		exit (0);
	}
	r_sys_sleep (1);
	r_sys_usleep (timeout);
	char aport[32];
	sprintf (aport, "%d", port);
	// redirect stdin/stdout/stderr
	return r_socket_connect (s, "127.0.0.1", aport, R_SOCKET_PROTO_TCP, 2000);
}
コード例 #2
0
ファイル: rarun2.c プロジェクト: AnwarMohamed/radare2
int main(int argc, char **argv) {
	char *file;
	RRunProfile *p;
	int i, ret;
	if (argc==1 || !strcmp (argv[1], "-h")) {
		eprintf ("Usage: rarun2 [-v] [script.rr2] [directive ..]\n");
		printf ("%s", r_run_help ());
		return 1;
	}
	if (!strcmp (argv[1], "-v")) {
		printf ("rarun2 "R2_VERSION"\n");
		return 0;
	}
	file = argv[1];
	if (*file && !strchr (file, '=')) {
		p = r_run_new (file);
	} else {
		p = r_run_new (NULL);
		for (i = *file?1:2; i<argc; i++)
			r_run_parseline (p, argv[i]);
	}
	if (!p)
		return 1;
	ret = r_run_start (p);
	r_run_free (p);
	return ret;
}
コード例 #3
0
ファイル: io_debug.c プロジェクト: leberus/radare2
static RRunProfile* _get_run_profile(RIO *io, int bits, char **argv) {
	char *expr = NULL;
	int i;
	RRunProfile *rp = r_run_new (NULL);
	if (!rp) {
		return NULL;
	}
	for (i = 0; argv[i]; i++) {
		rp->_args[i] = argv[i];
	}
	rp->_args[i] = NULL;
	if (!argv[0]) {
		r_run_free (rp);
		return NULL;
	}
	rp->_program = strdup (argv[0]);

	rp->_dodebug = true;
	if (io->runprofile && *io->runprofile) {
		if (!r_run_parsefile (rp, io->runprofile)) {
			eprintf ("Can't find profile '%s'\n", io->runprofile);
			r_run_free (rp);
			return NULL;
		}
		if (strstr (io->runprofile, R_SYS_DIR ".rarun2.")) {
			(void)r_file_rm (io->runprofile);
		}
	}
	if (bits == 64) {
		r_run_parseline (rp, expr=strdup ("bits=64"));
	} else if (bits == 32) {
		r_run_parseline (rp, expr=strdup ("bits=32"));
	}
	free (expr);
	if (r_run_config_env (rp)) {
		eprintf ("Can't config the environment.\n");
		r_run_free (rp);
		return NULL;
	}
	return rp;
}
コード例 #4
0
ファイル: rarun2.c プロジェクト: AmesianX/radare2
int main(int argc, char **argv) {
	char *file;
	RRunProfile *p;
	int i, ret;
	if (argc == 1 || !strcmp (argv[1], "-h")) {
		eprintf ("Usage: rarun2 [-v] [script.rr2] [directive ..]\n");
		printf ("%s", r_run_help ());
		return 1;
	}
	if (!strcmp (argv[1], "-v")) {
		printf ("rarun2 "R2_VERSION"\n");
		return 0;
	}
	file = argv[1];
	if (*file && !strchr (file, '=')) {
		p = r_run_new (file);
	} else {
		bool noMoreDirectives = false;
		int directiveIndex = 0;
		p = r_run_new (NULL);
		for (i = *file ? 1 : 2; i < argc; i++) {
			if (!strcmp (argv[i], "--")) {
				noMoreDirectives = true;
				continue;
			}
			if (noMoreDirectives) {
				const char *word = argv[i];
				char *line = directiveIndex
					? r_str_newf ("arg%d=%s", directiveIndex, word)
					: r_str_newf ("program=%s", word);
				r_run_parseline (p, line);
				directiveIndex ++;
				free (line);
			} else {
				r_run_parseline (p, argv[i]);
			}
		}
	}
	if (!p) return 1;

	ret = r_run_config_env (p);
	if (ret) {
		printf("error while configuring the environment.\n");
		return 1;
	}
	ret = r_run_start (p);
	r_run_free (p);
	return ret;
}
コード例 #5
0
ファイル: socket.c プロジェクト: aronsky/radare2
R_API bool r_socket_spawn(RSocket *s, const char *cmd, unsigned int timeout) {
	// XXX TODO: dont use sockets, we can achieve the same with pipes
	const int port = 2000 + r_num_rand (2000);
	int childPid = r_sys_fork ();
	if (childPid == 0) {
		char *a = r_str_replace (strdup (cmd), "\\", "\\\\", true);
		int res = r_sys_cmdf ("rarun2 system=\"%s\" listen=%d", a, port);
		free (a);
#if 0
		// TODO: use the api
		char *profile = r_str_newf (
				"system=%s\n"
				"listen=%d\n", cmd, port);
		RRunProfile *rp = r_run_new (profile);
		r_run_start (rp);
		r_run_free (rp);
		free (profile);
#endif
		if (res != 0) {
			eprintf ("r_socket_spawn: rarun2 failed\n");
			exit (1);
		}
		eprintf ("r_socket_spawn: %s is dead\n", cmd);
		exit (0);
	}
	r_sys_sleep (1);
	r_sys_usleep (timeout);

	char aport[32];
	sprintf (aport, "%d", port);
	// redirect stdin/stdout/stderr
	bool sock = r_socket_connect (s, "127.0.0.1", aport, R_SOCKET_PROTO_TCP, 2000);
	if (!sock) {
		return false;
	}
#if __UNIX__
	r_sys_sleep (4);
	r_sys_usleep (timeout);

	int status = 0;
	int ret = waitpid (childPid, &status, WNOHANG);
	if (ret != 0) {
		r_socket_close (s);
		return false;
	}
#endif
	return true;
}
コード例 #6
0
ファイル: io_debug.c プロジェクト: aronsky/radare2
static void fork_child_callback(void *user) {
	fork_child_data *data = user;
	if (data->runprofile) {
		char **argv = r_str_argv (data->cmd, NULL);
		if (!argv) {
			exit (1);
		}
		RRunProfile *rp = _get_run_profile (data->io, data->bits, argv);
		if (!rp) {
			r_str_argv_free (argv);
			exit (1);
		}
		trace_me ();
		r_run_start (rp);
		r_run_free (rp);
		r_str_argv_free (argv);
		exit (1);
	} else {
		char *_cmd = data->io->args ?
					 r_str_appendf (strdup (data->cmd), " %s", data->io->args) :
					 strdup (data->cmd);
		trace_me ();
		char **argv = r_str_argv (_cmd, NULL);
		if (!argv) {
			free (_cmd);
			return;
		}
		if (argv && *argv) {
			int i;
			for (i = 3; i < 1024; i++) {
				(void)close (i);
			}
			for (i = 0; argv[i]; i++) {
				r_str_arg_unescape (argv[i]);
			}
			if (execvp (argv[0], argv) == -1) {
				eprintf ("Could not execvp: %s\n", strerror (errno));
				exit (MAGIC_EXIT);
			}
		} else {
			eprintf ("Invalid execvp\n");
		}
		r_str_argv_free (argv);
		free (_cmd);
	}
}
コード例 #7
0
ファイル: io_debug.c プロジェクト: leberus/radare2
// __UNIX__ (not windows)
static int fork_and_ptraceme_for_mac(RIO *io, int bits, const char *cmd) {
	bool runprofile = io->runprofile && *(io->runprofile);
	pid_t p = -1;
	char **argv;
	posix_spawn_file_actions_t fileActions;
	ut32 ps_flags = POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK;
	sigset_t no_signals;
	sigset_t all_signals;
	size_t copied = 1;
	cpu_type_t cpu = CPU_TYPE_ANY;
	posix_spawnattr_t attr = {0};
	posix_spawnattr_init (&attr);

	sigemptyset (&no_signals);
	sigfillset (&all_signals);
	posix_spawnattr_setsigmask (&attr, &no_signals);
	posix_spawnattr_setsigdefault (&attr, &all_signals);

	posix_spawn_file_actions_init (&fileActions);
	posix_spawn_file_actions_addinherit_np (&fileActions, STDIN_FILENO);
	posix_spawn_file_actions_addinherit_np (&fileActions, STDOUT_FILENO);
	posix_spawn_file_actions_addinherit_np (&fileActions, STDERR_FILENO);

	ps_flags |= POSIX_SPAWN_CLOEXEC_DEFAULT;
	ps_flags |= POSIX_SPAWN_START_SUSPENDED;
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
	if (!runprofile) {
		int ret, useASLR = io->aslr;
		char *_cmd = io->args
			? r_str_appendf (strdup (cmd), " %s", io->args)
			: strdup (cmd);
		argv = r_str_argv (_cmd, NULL);
		if (!argv) {
			free (_cmd);
			return -1;
		}
		if (!*argv) {
			r_str_argv_free (argv);
			free (_cmd);
			eprintf ("Invalid execvp\n");
			return -1;
		}
		if (useASLR != -1) {
			if (!useASLR) {
				ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
			}
		}
		(void)posix_spawnattr_setflags (&attr, ps_flags);
#if __x86_64__
		if (bits == 32) {
			cpu = CPU_TYPE_I386;
			// cpu |= CPU_ARCH_ABI64;
		}
#endif
		posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
		{
			char *dst = r_file_readlink (argv[0]);
			if (dst) {
				argv[0] = dst;
			}
		}
		// XXX: this is a workaround to fix spawning programs with spaces in path
		if (strstr (argv[0], "\\ ")) {
			argv[0] = r_str_replace (argv[0], "\\ ", " ", true);
		}

		ret = posix_spawnp (&p, argv[0], &fileActions, &attr, argv, NULL);
		handle_posix_error (ret);
		posix_spawn_file_actions_destroy (&fileActions);
		r_str_argv_free (argv);
		free (_cmd);
		return p;
	}
	int ret;
	argv = r_str_argv (cmd, NULL);
	if (!argv) {
		posix_spawn_file_actions_destroy (&fileActions);
		return -1;
	}
	RRunProfile *rp = _get_run_profile (io, bits, argv);
	if (!rp) {
		r_str_argv_free (argv);
		posix_spawn_file_actions_destroy (&fileActions);
		return -1;
	}
	handle_posix_redirection (rp, &fileActions);
	if (rp->_args[0]) {
		if (!rp->_aslr) {
			ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
		}
#if __x86_64__
		if (rp->_bits == 32) {
			cpu = CPU_TYPE_I386;
		}
#endif
		(void)posix_spawnattr_setflags (&attr, ps_flags);
		posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
		ret = posix_spawnp (&p, rp->_args[0], &fileActions, &attr, rp->_args, NULL);
		handle_posix_error (ret);
	}
	r_str_argv_free (argv);
	r_run_free (rp);
	posix_spawn_file_actions_destroy (&fileActions);
	return p; // -1 ?
}
コード例 #8
0
ファイル: io_debug.c プロジェクト: haoa193/radare2
// __UNIX__ (not windows)
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
	char **argv;
	int ret, status, pid = r_sys_fork ();
	switch (pid) {
	case -1:
		perror ("fork_and_ptraceme");
		break;
	case 0:
#if __APPLE__
		signal (SIGTRAP, SIG_IGN); //NEED BY STEP 
#endif
#if __APPLE__ || __BSD__
/* we can probably remove this #if..as long as PT_TRACE_ME is redefined for OSX in r_debug.h */
		signal (SIGABRT, inferior_abort_handler);
		if (ptrace (PT_TRACE_ME, 0, 0, 0) != 0) {
#else
		if (ptrace (PTRACE_TRACEME, 0, NULL, NULL) != 0) {
#endif
			r_sys_perror ("ptrace-traceme");
			exit (MAGIC_EXIT);
		}
		if (io->runprofile && *(io->runprofile)) {
			char *expr = NULL;
			int i;
			RRunProfile *rp = r_run_new (NULL);
			argv = r_str_argv (cmd, NULL);
			for (i=0; argv[i]; i++) {
				rp->_args[i] = argv[i];
			}
			rp->_args[i] = NULL;
			rp->_program = argv[0];
			if (io->runprofile && *io->runprofile) {
				if (!r_run_parsefile (rp, io->runprofile)) {
					eprintf ("Can't find profile '%s'\n", io->runprofile);
					exit (MAGIC_EXIT);
				}
			}
			if (bits==64)
				r_run_parseline (rp, expr=strdup ("bits=64"));
			else if (bits==32)
				r_run_parseline (rp, expr=strdup ("bits=32"));
			free (expr);
			r_run_start (rp);
			r_run_free (rp);
			// double free wtf
			//	r_str_argv_free (argv);
			exit (1);
		} else {
			// TODO: Add support to redirect filedescriptors
			// TODO: Configure process environment
			char *_cmd = strdup (cmd);
			argv = r_str_argv (_cmd, NULL);
			if (!argv) {
				free (_cmd);
				return -1;
			}
#if __APPLE__
			 {
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
				ut32 ps_flags = POSIX_SPAWN_SETEXEC;
				posix_spawnattr_t attr = {0};
				size_t copied = 1;
				cpu_type_t cpu;
				pid_t p = -1;
				int ret;

				int useASLR = 1;
				posix_spawnattr_init (&attr);
				if (useASLR != -1) {
					if (useASLR) {
						// enable aslr if not enabled? really?
					} else {
						ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
					}
				}
				(void)posix_spawnattr_setflags (&attr, ps_flags);
#if __i386__ || __x86_64__
				cpu = CPU_TYPE_I386;
				if (bits == 64)
					cpu |= CPU_ARCH_ABI64;
#else
				cpu = CPU_TYPE_ANY;
#endif
				posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
				ret = posix_spawnp (&p, argv[0], NULL, &attr, argv, NULL);
				switch (ret) {
				case 0:
					eprintf ("Success\n");
					break;
				case 22:
					eprintf ("posix_spawnp: Invalid argument\n");
					break;
				case 86:
					eprintf ("Unsupported architecture\n");
					break;
				default:
					eprintf ("posix_spawnp: unknown error %d\n", ret);
					perror ("posix_spawnp");
					break;
				}
				/* only required if no SETEXEC called
				   if (p != -1)
				   wait (p);
				 */
				exit (MAGIC_EXIT); /* error */
			 }
#else
			 if (argv && *argv) {
				 execvp (argv[0], argv);
			 } else {
				 eprintf ("Invalid execvp\n");
			 }
#endif
			free (_cmd);
		}
		perror ("fork_and_attach: execv");
		//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
		exit (MAGIC_EXIT); /* error */
		return 0; // invalid pid // if exit is overriden.. :)
	default:
		/* XXX: clean this dirty code */
		do {
                	ret = wait (&status);
			if (ret == -1)
				return -1;
			if (ret != pid)
				eprintf ("Wait event received by different pid %d\n", ret);
		} while (ret!=pid);
		if (WIFSTOPPED (status))
			eprintf ("Process with PID %d started...\n", (int)pid);
		if (WEXITSTATUS (status) == MAGIC_EXIT)
			pid = -1;
		// XXX kill (pid, SIGSTOP);
		break;
	}
	eprintf ("PID = %d\n", pid);
	return pid;
}
#endif

static int __plugin_open(RIO *io, const char *file, ut8 many) {
	if (!strncmp (file, "dbg://", 6) && file[6])
		return R_TRUE;
	return R_FALSE;
}

static RIODesc *__open(RIO *io, const char *file, int rw, int mode) {
	char uri[128];
	if (__plugin_open (io, file,  0)) {
		const char *pidfile = file + 6;
		char *endptr;
		int pid = (int)strtol (pidfile, &endptr, 10);
		if (endptr == pidfile || pid < 0) pid = -1;

		if (pid == -1) {
			pid = fork_and_ptraceme (io, io->bits, file+6);
			if (pid == -1)
				return NULL;
#if __WINDOWS__
			sprintf (uri, "w32dbg://%d", pid);
#elif __APPLE__
			sprintf (uri, "mach://%d", pid);
#else
			// TODO: use io_procpid here? faster or what?
			sprintf (uri, "ptrace://%d", pid);
#endif
			my_io_redirect (io, file, uri);
		} else {
			sprintf (uri, "attach://%d", pid);
			my_io_redirect (io, file, uri);
		}
		return NULL;
	}
	my_io_redirect (io, file, NULL);
	return NULL;
}
コード例 #9
0
ファイル: io_debug.c プロジェクト: jduck/radare2
// __UNIX__ (not windows)
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
	bool runprofile = io->runprofile && *(io->runprofile);
	char **argv;
#if __APPLE__ && !__POWERPC__
	pid_t p = -1;
	posix_spawn_file_actions_t fileActions;
	ut32 ps_flags = POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK;
	sigset_t no_signals;
	sigset_t all_signals;
	size_t copied = 1;
	cpu_type_t cpu = CPU_TYPE_ANY;
	posix_spawnattr_t attr = {0};
	posix_spawnattr_init (&attr);

	sigemptyset (&no_signals);
	sigfillset (&all_signals);
	posix_spawnattr_setsigmask (&attr, &no_signals);
	posix_spawnattr_setsigdefault (&attr, &all_signals);

	posix_spawn_file_actions_init (&fileActions);
	posix_spawn_file_actions_addinherit_np (&fileActions, STDIN_FILENO);
	posix_spawn_file_actions_addinherit_np (&fileActions, STDOUT_FILENO);
	posix_spawn_file_actions_addinherit_np (&fileActions, STDERR_FILENO);

	ps_flags |= POSIX_SPAWN_CLOEXEC_DEFAULT;
	ps_flags |= POSIX_SPAWN_START_SUSPENDED;
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
	if (!runprofile) {
		int ret, useASLR = io->aslr;
		char *_cmd = io->args
			? r_str_appendf (strdup (cmd), " %s", io->args)
			: strdup (cmd);
		argv = r_str_argv (_cmd, NULL);
		if (!argv) {
			free (_cmd);
			return -1;
		}
		if (!*argv) {
			r_str_argv_free (argv);
			free (_cmd);
			eprintf ("Invalid execvp\n");
			return -1;
		}
		if (useASLR != -1) {
			if (!useASLR) {
				ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
			}
		}
		(void)posix_spawnattr_setflags (&attr, ps_flags);
#if __x86_64__
		if (bits == 32) {
			cpu = CPU_TYPE_I386;
			// cpu |= CPU_ARCH_ABI64;
		}
#endif
		posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
		{
			char *dst = r_file_readlink (argv[0]);
			if (dst) {
				argv[0] = dst;
			}
		}
		ret = posix_spawnp (&p, argv[0], NULL, &attr, argv, NULL);
		handle_posix_error (ret);
		posix_spawn_file_actions_destroy (&fileActions);
		r_str_argv_free (argv);
		free (_cmd);
		return p;
	} else {
		int ret;
		argv = r_str_argv (cmd, NULL);
		if (!argv) {
			posix_spawn_file_actions_destroy (&fileActions);
			return -1;
		}
		RRunProfile *rp = _get_run_profile (io, bits, argv);
		if (!rp) {
			r_str_argv_free (argv);
			posix_spawn_file_actions_destroy (&fileActions);
			return -1;
		}
		handle_posix_redirection (rp, &fileActions);
		if (rp->_args[0]) {
			if (!rp->_aslr) {
				ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
			}
#if __x86_64__
			if (rp->_bits == 32) {
				cpu = CPU_TYPE_I386;
			}
#endif
			(void)posix_spawnattr_setflags (&attr, ps_flags);
			posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
			ret = posix_spawnp (&p, rp->_args[0], &fileActions, &attr, rp->_args, NULL);
			handle_posix_error (ret);
		}
		r_str_argv_free (argv);
		r_run_free (rp);
		posix_spawn_file_actions_destroy (&fileActions);
		return p;
	}
	posix_spawn_file_actions_destroy (&fileActions);
	return -1;
#endif
	int ret, status, child_pid;
	child_pid = r_sys_fork ();
	switch (child_pid) {
	case -1:
		perror ("fork_and_ptraceme");
		break;
	case 0:
		if (runprofile) {
			argv = r_str_argv (cmd, NULL);
			if (!argv) {
				exit(1);
			}
			RRunProfile *rp = _get_run_profile (io, bits, argv);
			if (!rp) {
				r_str_argv_free (argv);
				exit (1);
			}
			trace_me ();
			r_run_start (rp);
			r_run_free (rp);
			r_str_argv_free (argv);
			exit (1);
		} else {
			char *_cmd = io->args ?
				r_str_appendf (strdup (cmd), " %s", io->args) :
				strdup (cmd);

			trace_me ();
			argv = r_str_argv (_cmd, NULL);
			if (!argv) {
				free (_cmd);
				return -1;
			}
			if (argv && *argv) {
				int i;
				for (i = 3; i < 1024; i++)
					(void)close (i);
				execvp (argv[0], argv);
			} else {
				eprintf ("Invalid execvp\n");
			}
			r_str_argv_free (argv);
			free (_cmd);
		}
		perror ("fork_and_attach: execv");
		//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
		exit (MAGIC_EXIT); /* error */
		return 0; // invalid pid // if exit is overriden.. :)
	default:
		/* XXX: clean this dirty code */
		do {
			ret = wait (&status);
			if (ret == -1) return -1;
			if (ret != child_pid) {
				eprintf ("Wait event received by "
					"different pid %d\n", ret);
			}
		} while (ret != child_pid);
		if (WIFSTOPPED (status)) {
			eprintf ("Process with PID %d started...\n", (int)child_pid);
		}
		if (WEXITSTATUS (status) == MAGIC_EXIT) {
			child_pid = -1;
		}
		// XXX kill (pid, SIGSTOP);
		break;
	}
	return child_pid;
}
コード例 #10
0
ファイル: io_debug.c プロジェクト: jduck/radare2
static void trace_me () {
#if __APPLE__
	signal (SIGTRAP, SIG_IGN); //NEED BY STEP
#endif
#if __APPLE__ || __BSD__
/* we can probably remove this #if..as long as PT_TRACE_ME is redefined for OSX in r_debug.h */
	signal (SIGABRT, inferior_abort_handler);
	if (ptrace (PT_TRACE_ME, 0, 0, 0) != 0) {
#else
	if (ptrace (PTRACE_TRACEME, 0, NULL, NULL) != 0) {
#endif
		r_sys_perror ("ptrace-traceme");
		exit (MAGIC_EXIT);
	}
}

void handle_posix_error(int err) {
	switch (err) {
	case 0:
		// eprintf ("Success\n");
		break;
	case 22:
		eprintf ("posix_spawnp: Invalid argument\n");
		break;
	case 86:
		eprintf ("Unsupported architecture. Please specify -b 32\n");
		break;
	default:
		eprintf ("posix_spawnp: unknown error %d\n", err);
		perror ("posix_spawnp");
		break;
	}
}

static RRunProfile* _get_run_profile(RIO *io, int bits, char **argv) {
	char *expr = NULL;
	int i;
	RRunProfile *rp = r_run_new (NULL);
	if (!rp) {
		return NULL;
	}
	for (i = 0; argv[i]; i++) {
		rp->_args[i] = argv[i];
	}
	rp->_args[i] = NULL;
	rp->_program = strdup (argv[0]);
	rp->_dodebug = true;
	if (io->runprofile && *io->runprofile) {
		if (!r_run_parsefile (rp, io->runprofile)) {
			eprintf ("Can't find profile '%s'\n", io->runprofile);
			r_run_free (rp);
			return NULL;
		}
		if (strstr (io->runprofile, R_SYS_DIR ".rarun2.")) {
			(void)r_file_rm (io->runprofile);
		}
	}
	if (bits == 64) {
		r_run_parseline (rp, expr=strdup ("bits=64"));
	} else if (bits == 32) {
		r_run_parseline (rp, expr=strdup ("bits=32"));
	}
	free (expr);
	if (r_run_config_env (rp)) {
		eprintf ("Can't config the environment.\n");
		r_run_free (rp);
		return NULL;
	}
	return rp;
}
コード例 #11
0
ファイル: io_debug.c プロジェクト: NikolaiHampton/radare2
static void trace_me () {
#if __APPLE__
	signal (SIGTRAP, SIG_IGN); //NEED BY STEP
#endif
#if __APPLE__ || __BSD__
/* we can probably remove this #if..as long as PT_TRACE_ME is redefined for OSX in r_debug.h */
	signal (SIGABRT, inferior_abort_handler);
	if (ptrace (PT_TRACE_ME, 0, 0, 0) != 0) {
#else
	if (ptrace (PTRACE_TRACEME, 0, NULL, NULL) != 0) {
#endif
		r_sys_perror ("ptrace-traceme");
		exit (MAGIC_EXIT);
	}
}

// __UNIX__ (not windows)
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
	bool runprofile = io->runprofile && *(io->runprofile);
	char **argv;
#if __APPLE__ && !__POWERPC__
	if (!runprofile) {
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
		posix_spawn_file_actions_t fileActions;
		ut32 ps_flags = POSIX_SPAWN_SETSIGDEF |
				POSIX_SPAWN_SETSIGMASK;
   		sigset_t no_signals;
    		sigset_t all_signals;
    		sigemptyset (&no_signals);
    		sigfillset (&all_signals);
		posix_spawnattr_t attr = {0};
		size_t copied = 1;
		cpu_type_t cpu;
		pid_t p = -1;
		int ret, useASLR = io->aslr;
		char *_cmd = io->args ?
				r_str_concatf (strdup (cmd), " %s", io->args) :
				strdup (cmd);
		argv = r_str_argv (_cmd, NULL);
		if (!argv) {
			free (_cmd);
			return -1;
		}
		if (!*argv) {
			r_str_argv_free (argv);
			free (_cmd);
			eprintf ("Invalid execvp\n");
			return -1;
		}
		posix_spawnattr_init (&attr);
		if (useASLR != -1) {
			if (!useASLR) ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
		}

		posix_spawn_file_actions_init (&fileActions);
		posix_spawn_file_actions_addinherit_np (&fileActions, STDIN_FILENO);
		posix_spawn_file_actions_addinherit_np (&fileActions, STDOUT_FILENO);
		posix_spawn_file_actions_addinherit_np (&fileActions, STDERR_FILENO);
		ps_flags |= POSIX_SPAWN_CLOEXEC_DEFAULT;
		ps_flags |= POSIX_SPAWN_START_SUSPENDED;

   		posix_spawnattr_setsigmask(&attr, &no_signals);
    		posix_spawnattr_setsigdefault(&attr, &all_signals);

		(void)posix_spawnattr_setflags (&attr, ps_flags);
#if __i386__ || __x86_64__
		cpu = CPU_TYPE_I386;
		if (bits == 64) cpu |= CPU_ARCH_ABI64;
#else
		cpu = CPU_TYPE_ANY;
#endif
		posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
		{
			char *dst = r_file_readlink (argv[0]);
			if (dst) {
				argv[0] = dst;
			}
		}
		ret = posix_spawnp (&p, argv[0], &fileActions, &attr, argv, NULL);
		switch (ret) {
		case 0:
			// eprintf ("Success\n");
			break;
		case 22:
			eprintf ("posix_spawnp: Invalid argument\n");
			break;
		case 86:
			eprintf ("Unsupported architecture\n");
			break;
		default:
			eprintf ("posix_spawnp: unknown error %d\n", ret);
			perror ("posix_spawnp");
			break;
		}
		posix_spawn_file_actions_destroy (&fileActions);
		r_str_argv_free (argv);
		free (_cmd);
		return p;
	}
#endif
	int ret, status, child_pid;

	child_pid = r_sys_fork ();
	switch (child_pid) {
	case -1:
		perror ("fork_and_ptraceme");
		break;
	case 0:
		if (runprofile) {
			char *expr = NULL;
			int i;
			RRunProfile *rp = r_run_new (NULL);
			argv = r_str_argv (cmd, NULL);
			for (i = 0; argv[i]; i++) {
				rp->_args[i] = argv[i];
			}
			rp->_args[i] = NULL;
			rp->_program = argv[0];
			rp->_dodebug = true;
			if (io->runprofile && *io->runprofile) {
				if (!r_run_parsefile (rp, io->runprofile)) {
					eprintf ("Can't find profile '%s'\n",
						io->runprofile);
					exit (MAGIC_EXIT);
				}
			}
			if (bits == 64)
				r_run_parseline (rp, expr=strdup ("bits=64"));
			else if (bits == 32)
				r_run_parseline (rp, expr=strdup ("bits=32"));
			free (expr);
			if (r_run_config_env (rp)) {
				eprintf ("Can't config the environment.\n");
				exit (1);
			}
			trace_me ();
			r_run_start (rp);
			r_run_free (rp);
			r_str_argv_free (argv);
			exit (1);
		} else {
			char *_cmd = io->args ?
				r_str_concatf (strdup (cmd), " %s", io->args) :
				strdup (cmd);

			trace_me ();
			argv = r_str_argv (_cmd, NULL);
			if (!argv) {
				free (_cmd);
				return -1;
			}
			if (argv && *argv) {
				int i;
				for (i = 3; i < 1024; i++)
					(void)close (i);
				execvp (argv[0], argv);
			} else {
				eprintf ("Invalid execvp\n");
			}
			r_str_argv_free (argv);
			free (_cmd);
		}
		perror ("fork_and_attach: execv");
		//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
		exit (MAGIC_EXIT); /* error */
		return 0; // invalid pid // if exit is overriden.. :)
	default:
		/* XXX: clean this dirty code */
		do {
			ret = wait (&status);
			if (ret == -1) return -1;
			if (ret != child_pid) {
				eprintf ("Wait event received by "
					"different pid %d\n", ret);
			}
		} while (ret != child_pid);
		if (WIFSTOPPED (status))
			eprintf ("Process with PID %d started...\n", (int)child_pid);
		if (WEXITSTATUS (status) == MAGIC_EXIT)
			child_pid = -1;
		// XXX kill (pid, SIGSTOP);
		break;
	}
	return child_pid;
}
コード例 #12
0
ファイル: io_debug.c プロジェクト: DePierre/radare2
// __UNIX__ (not windows)
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
	char **argv;
	int ret, status, pid = fork ();
	switch (pid) {
	case -1:
		perror ("fork_and_ptraceme");
		break;
	case 0:
#if __APPLE__
		signal (SIGTRAP, SIG_IGN); //NEED BY STEP 
#endif
#if __APPLE__ || __BSD__
/* we can probably remove this #if..as long as PT_TRACE_ME is redefined for OSX in r_debug.h */
		signal (SIGABRT, inferior_abort_handler);
		if (ptrace (PT_TRACE_ME, 0, 0, 0) != 0) {
#else
		if (ptrace (PTRACE_TRACEME, 0, NULL, NULL) != 0) {
#endif
			r_sys_perror ("ptrace-traceme");
			exit (MAGIC_EXIT);
		}
		{
			char *expr = NULL;
			int i;
			RRunProfile *rp = r_run_new (NULL);
			argv = r_str_argv (cmd, NULL);
			for (i=0; argv[i]; i++) {
				rp->_args[i] = argv[i];
			}
			rp->_args[i] = NULL;
			rp->_program = argv[0];
			if (io->runprofile && *io->runprofile) {
				if (!r_run_parsefile (rp, io->runprofile)) {
					eprintf ("Can't find profile '%s'\n", io->runprofile);
					exit (MAGIC_EXIT);
				}
			}
			if (bits==64)
				r_run_parseline (rp, expr=strdup ("bits=64"));
			else if (bits==32)
				r_run_parseline (rp, expr=strdup ("bits=32"));
			free (expr);
			r_run_start (rp);
			r_run_free (rp);
			// double free wtf
		//	r_str_argv_free (argv);
			exit (1);
		}
		perror ("fork_and_attach: execv");
		//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
		exit (MAGIC_EXIT); /* error */
		return 0; // invalid pid // if exit is overriden.. :)
	default:
		/* XXX: clean this dirty code */
                ret = wait (&status);
		if (ret != pid)
			eprintf ("Wait event received by different pid %d\n", ret);
                if (WIFSTOPPED (status))
                        eprintf ("Process with PID %d started...\n", (int)pid);
		if (WEXITSTATUS (status) == MAGIC_EXIT)
			pid = -1;
		// XXX kill (pid, SIGSTOP);
		break;
	}
	eprintf ("PID = %d\n", pid);
	return pid;
}
#endif

static int __plugin_open(RIO *io, const char *file, ut8 many) {
	if (!strncmp (file, "dbg://", 6) && file[6])
		return R_TRUE;
	return R_FALSE;
}

static RIODesc *__open(RIO *io, const char *file, int rw, int mode) {
	char uri[128];
	if (__plugin_open (io, file,  0)) {
		int pid = atoi (file+6);
		if (pid == 0) {
			pid = fork_and_ptraceme (io, io->bits, file+6);
			if (pid==-1)
				return NULL;
#if __WINDOWS__
			sprintf (uri, "w32dbg://%d", pid);
#elif __APPLE__
			sprintf (uri, "mach://%d", pid);
#else
			// TODO: use io_procpid here? faster or what?
			sprintf (uri, "ptrace://%d", pid);
#endif
			my_io_redirect (io, uri);
		} else {
			sprintf (uri, "attach://%d", pid);
			my_io_redirect (io, uri);
		}
		return NULL;
	}
	my_io_redirect (io, NULL);
	return NULL;
}
コード例 #13
0
ファイル: io_debug.c プロジェクト: PankajKataria/radare2
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
#if __APPLE__ && !__POWERPC__
	return fork_and_ptraceme_for_mac(io, bits, cmd);
#else
	int ret, status, child_pid;
	bool runprofile = io->runprofile && *(io->runprofile);
	char **argv;
	child_pid = r_sys_fork ();
	switch (child_pid) {
	case -1:
		perror ("fork_and_ptraceme");
		break;
	case 0:
		if (runprofile) {
			argv = r_str_argv (cmd, NULL);
			if (!argv) {
				exit(1);
			}
			RRunProfile *rp = _get_run_profile (io, bits, argv);
			if (!rp) {
				r_str_argv_free (argv);
				exit (1);
			}
			trace_me ();
			r_run_start (rp);
			r_run_free (rp);
			r_str_argv_free (argv);
			exit (1);
		} else {
			char *_cmd = io->args ?
				r_str_appendf (strdup (cmd), " %s", io->args) :
				strdup (cmd);

			trace_me ();
			argv = r_str_argv (_cmd, NULL);
			if (!argv) {
				free (_cmd);
				return -1;
			}
			if (argv && *argv) {
				int i;
				for (i = 3; i < 1024; i++) {
					(void)close (i);
				}
				if (execvp (argv[0], argv) == -1) {
					eprintf ("Could not execvp: %s\n", strerror (errno));
					exit (MAGIC_EXIT);
				}
			} else {
				eprintf ("Invalid execvp\n");
			}
			r_str_argv_free (argv);
			free (_cmd);
		}
		perror ("fork_and_attach: execv");
		//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
		exit (MAGIC_EXIT); /* error */
		return 0; // invalid pid // if exit is overriden.. :)
	default:
		/* XXX: clean this dirty code */
		do {
			ret = wait (&status);
			if (ret == -1) return -1;
			if (ret != child_pid) {
				eprintf ("Wait event received by "
					"different pid %d\n", ret);
			}
		} while (ret != child_pid);
		if (WIFSTOPPED (status)) {
			eprintf ("Process with PID %d started...\n", (int)child_pid);
		}
		if (WEXITSTATUS (status) == MAGIC_EXIT) {
			child_pid = -1;
		}
		// XXX kill (pid, SIGSTOP);
		break;
	}
	return child_pid;
#endif
}