Beispiel #1
0
int main() {
	RSocket *s = r_socket_new (R_FALSE);
	if (!r_socket_listen (s, "8080", NULL)) {
		eprintf ("Cannot listen here\n");
		return 1;
	}
	for (;;) {
		RSocketHTTPRequest *rs = r_socket_http_accept (s, 0);
		if (!rs) continue;
		if (!strcmp (rs->method, "GET")) {
			r_socket_http_response (rs, 200,
			"<html><body><form method=post action=/>"
			"<input name=a /><input type=button></form></body>");
		} else 
		if (!strcmp (rs->method, "POST")) {
			char *buf = malloc (rs->data_length+ 50);
			strcpy (buf, "<html><body><h2>XSS test</h2>\n");
			r_str_unescape (rs->data);
			strcat (buf, rs->data);
			r_socket_http_response (rs, 200, buf);
			free (buf);
		} else {
			r_socket_http_response (rs, 404, "Invalid protocol");
		}
		r_socket_http_close (rs);
	}
}
Beispiel #2
0
R_API int r_core_rtr_cmds (RCore *core, const char *port) {
	unsigned char buf[4097];
	RSocket *ch, *s;
	int i, ret;
	char *str;

	if (!port || port[0]=='?') {
		r_cons_printf ("Usage: .:[tcp-port]    run r2 commands for clients\n");
		return R_FALSE;
	}

	s = r_socket_new (0);
	if (!r_socket_listen (s, port, NULL)) {
		eprintf ("Error listening on port %s\n", port);
		r_socket_free (s);
		return R_FALSE;
	}

	eprintf ("Listening for commands on port %s\n", port);
	listenport = port;
	for (;;) {
		r_cons_break ((RConsBreak)http_break, core);
		ch = r_socket_accept (s);
		buf[0] = 0;
		ret = r_socket_read (ch, buf, sizeof (buf) - 1);
		if (ret>0) {
			buf[ret] = 0;
			for (i=0; buf[i]; i++)
				if (buf[i] == '\n')
					buf[i] = buf[i+1]? ';': '\0';
			if (!r_config_get_i (core->config, "scr.prompt") \
					&& !strcmp ((char*)buf, "q!"))
				break;
			str = r_core_cmd_str (core, (const char *)buf);
			if (str &&*str)  {
			r_socket_write (ch, str, strlen (str));
			} else
			r_socket_write (ch, "\n", 1);
			free (str);
		}
		if (r_cons_singleton()->breaked)
			break;
		r_socket_close (ch);
		r_cons_break_end ();
	}
	r_socket_free(s);
	r_socket_free(ch);
	return 0;
}
Beispiel #3
0
static RIODesc *rap__open(RIO *io, const char *pathname, int rw, int mode) {
	int i, p, listenmode;
	char *file, *port;
	const char *ptr;
	RSocket *rap_fd;
	char buf[1024];
	RIORap *rior;

	if (!rap__plugin_open (io, pathname, 0)) {
		return NULL;
	}
	bool is_ssl = (!strncmp (pathname, "raps://", 7));
	ptr = pathname + (is_ssl? 7: 6);
	if (!(port = strchr (ptr, ':'))) {
		eprintf ("rap: wrong uri\n");
		return NULL;
	}
	listenmode = (*ptr == ':');
	*port++ = 0;
	if (!*port) {
		return NULL;
	}
	p = atoi (port);
	if ((file = strchr (port + 1, '/'))) {
		*file = 0;
		file++;
	}
	if (r_sandbox_enable (0)) {
		eprintf ("sandbox: Cannot use network\n");
		return NULL;
	}
	if (listenmode) {
		if (p <= 0) {
			eprintf ("rap: cannot listen here. Try rap://:9999\n");
			return NULL;
		}
		//TODO: Handle ^C signal (SIGINT, exit); // ???
		eprintf ("rap: listening at port %s ssl %s\n", port, (is_ssl)?"on":"off");
		rior = R_NEW0 (RIORap);
		rior->listener = true;
		rior->client = rior->fd = r_socket_new (is_ssl);
		if (!rior->fd) {
			free (rior);
			return NULL;
		}
		if (is_ssl) {
			if (file && *file) {
				if (!r_socket_listen (rior->fd, port, file)) {
					free (rior);
					return NULL;
				}
			} else {
				free (rior);
				return NULL;
			}
		} else {
			if (!r_socket_listen (rior->fd, port, NULL)) {
				return NULL;
			}
		}
		return r_io_desc_new (&r_io_plugin_rap, rior->fd->fd,
			pathname, rw, mode, rior);
	}
	if (!(rap_fd = r_socket_new (is_ssl))) {
		eprintf ("Cannot create new socket\n");
		return NULL;
	}
	if (r_socket_connect_tcp (rap_fd, ptr, port, 30) == false) {
		eprintf ("Cannot connect to '%s' (%d)\n", ptr, p);
		r_socket_free (rap_fd);
		return NULL;
	}
	eprintf ("Connected to: %s at port %s\n", ptr, port);
	rior = R_NEW0 (RIORap);
	rior->listener = false;
	rior->client = rior->fd = rap_fd;
	if (file && *file) {
		// send
		buf[0] = RMT_OPEN;
		buf[1] = rw;
		buf[2] = (ut8)strlen (file);
		memcpy (buf + 3, file, buf[2]);
		r_socket_write (rap_fd, buf, buf[2] + 3);
		r_socket_flush (rap_fd);
		// read
		eprintf ("waiting... ");
		buf[0] = 0;
		r_socket_read_block (rap_fd, (ut8*)buf, 5);
		if (buf[0] != (char)(RMT_OPEN | RMT_REPLY)) {
			eprintf ("rap: Expecting OPEN|REPLY packet. got %02x\n", buf[0]);
			r_socket_free (rap_fd);
			free (rior);
			return NULL;
		}
		i = r_read_at_be32 (buf, 1);
		if (i > 0) {
			eprintf ("ok\n");
		}
#if 0
		/* Read meta info */
		r_socket_read (rap_fd, (ut8 *)&buf, 4);
		r_mem_copyendian ((ut8 *)&i, (ut8*)buf, 4, ENDIAN);
		while (i>0) {
			int n = r_socket_read (rap_fd, (ut8 *)&buf, i);
			if (n<1) break;
			buf[i] = 0;
			io->core_cmd_cb (io->user, buf);
			n = r_socket_read (rap_fd, (ut8 *)&buf, 4);
			if (n<1) break;
			r_mem_copyendian ((ut8 *)&i, (ut8*)buf, 4, ENDIAN);
			i -= n;
		}
#endif
	} else {
	//	r_socket_free (rap_fd);
	//	free (rior);
		//return NULL;
	}
	//r_socket_free (rap_fd);
	return r_io_desc_new (&r_io_plugin_rap, rior->fd->fd,
		pathname, rw, mode, rior);
}
Beispiel #4
0
static int runfile () {
	if (!_program && !_system) {
		printf ("No program or system rule defined\n");
		return 1;
	}
	if (_stdin) {
		int f = open (_stdin, O_RDONLY);
		close (0);
		dup2 (f, 0);
	}
	if (_stdout) {
		int f = open (_stdout, O_WRONLY);
		close (1);
		dup2 (f, 1);
	}
	if (_stderr) {
		int f = open (_stderr, O_WRONLY);
		close (2);
		dup2 (f, 2);
	}

	if (_connect) {
		char *p = strchr (_connect, ':');
		if (p) {
			RSocket *fd = r_socket_new (0);
			*p=0;
			if (!r_socket_connect_tcp (fd, _connect, p+1, 30)) {
				eprintf ("Cannot connect\n");
				return 1;
			}
			eprintf ("connected\n");
			close (0);
			close (1);
			close (2);
			dup2 (fd->fd, 0);
			dup2 (fd->fd, 1);
			dup2 (fd->fd, 2);
		} else {
			eprintf ("Invalid format for connect. missing ':'\n");
			return 1;
		}
	}
	if (_listen) {
		RSocket *child, *fd = r_socket_new (0);
		if (!r_socket_listen (fd, _listen, NULL)) {
			eprintf ("rarun2: cannot listen\n");
			return 1;
		}
		child = r_socket_accept (fd);
		if (child) {
			eprintf ("connected\n");
			close (0);
			close (1);
			close (2);
			dup2 (child->fd, 0);
			dup2 (child->fd, 1);
			dup2 (child->fd, 2);
		}
	}
	if (_chgdir) chdir (_chgdir);
	if (_chroot) chdir (_chroot);
#if __UNIX__
	if (_chroot) {
		if (chroot (".")) {
			eprintf ("rarun2: cannot chroot\n");
			return 1;
		}
	}
	if (_setuid) setuid (atoi (_setuid));
	if (_seteuid) seteuid (atoi (_seteuid));
	if (_setgid) setgid (atoi (_setgid));
	if (_input) {
		int f2[2];
		pipe (f2);
		close (0);
		dup2 (f2[0], 0);
		parseinput (_input);
		write (f2[1], _input, strlen (_input));
	}
#endif
	if (_r2preload) {
		if (_preload) {
			eprintf ("WARNING: Only one library can be opened at a time\n");
		}
		_preload = R2_LIBDIR"/libr2."R_LIB_EXT;
	}
	if (_libpath) {
#if __WINDOWS__
		eprintf ("rarun2: libpath unsupported for this platform\n");
#elif __APPLE__
		r_sys_setenv ("DYLD_LIBRARY_PATH", _libpath);
#else
		r_sys_setenv ("LD_LIBRARY_PATH", _libpath);
#endif
	}
	if (_preload) {
#if __APPLE__
		// 10.6
		r_sys_setenv ("DYLD_PRELOAD", _preload);
		r_sys_setenv ("DYLD_INSERT_LIBRARIES", _preload);
		// 10.8
		r_sys_setenv ("DYLD_FORCE_FLAT_NAMESPACE", "1");
#else
		r_sys_setenv ("LD_PRELOAD", _preload);
#endif
	}
	if (_timeout) {
#if __UNIX__
		int mypid = getpid ();
		if (!fork ()) {
			sleep (_timeout);
			if (!kill (mypid, 0))
				eprintf ("\nrarun2: Interrupted by timeout\n");
			kill (mypid, SIGKILL);
			exit (0);
		}
#else
		eprintf ("timeout not supported for this platform\n");
#endif
	}
	if (_system) {
		exit (r_sys_cmd (_system));
	}
	if (!r_file_exists (_program)) {
		eprintf ("rarun2: %s: file not found\n", _program);
		return 1;
	}
	exit (execv (_program, _args));
}
Beispiel #5
0
R_API int r_run_start(RRunProfile *p) {
#if __APPLE__
	posix_spawnattr_t attr = {0};
	pid_t pid = -1;
#endif
	int ret;
	if (!p->_program && !p->_system) {
		printf ("No program or system rule defined\n");
		return 1;
	}
	if (p->_stdin) {
		int f = open (p->_stdin, O_RDONLY);
		if (f < 0)
			return 1;
		close (0);
		dup2 (f, 0);
	}
	if (p->_stdout) {
		int f = open (p->_stdout, O_WRONLY);
		if (f < 0)
			return 1;
		close (1);
		dup2 (f, 1);
	}
	if (p->_stderr) {
		int f = open (p->_stderr, O_WRONLY);
		if (f < 0)
			return 1;
		close (2);
		dup2 (f, 2);
	}
	if (p->_aslr != -1)
		setASLR (p->_aslr);
#if __UNIX__
	set_limit (p->_docore, RLIMIT_CORE, RLIM_INFINITY);
	if (p->_maxfd)
		set_limit (p->_maxfd, RLIMIT_NOFILE, p->_maxfd);
#ifdef RLIMIT_NPROC
	if (p->_maxproc)
		set_limit (p->_maxproc, RLIMIT_NPROC, p->_maxproc);
#endif
	if (p->_maxstack)
		set_limit (p->_maxstack, RLIMIT_STACK, p->_maxstack);
#else
	if (p->_docore || p->_maxfd || p->_maxproc || p->_maxstack)
		eprintf ("Warning: setrlimits not supported for this platform\n");
#endif

	if (p->_connect) {
		char *q = strchr (p->_connect, ':');
		if (q) {
			RSocket *fd = r_socket_new (0);
			*q = 0;
			if (!r_socket_connect_tcp (fd, p->_connect, q+1, 30)) {
				eprintf ("Cannot connect\n");
				return 1;
			}
			eprintf ("connected\n");
			close (0);
			close (1);
			close (2);
			dup2 (fd->fd, 0);
			dup2 (fd->fd, 1);
			dup2 (fd->fd, 2);
		} else {
			eprintf ("Invalid format for connect. missing ':'\n");
			return 1;
		}
	}
	if (p->_listen) {
		RSocket *child, *fd = r_socket_new (0);
		if (!r_socket_listen (fd, p->_listen, NULL)) {
			eprintf ("rarun2: cannot listen\n");
			r_socket_free (fd);
			return 1;
		}
		child = r_socket_accept (fd);
		if (child) {
			eprintf ("connected\n");
			close (0);
			close (1);
			close (2);
			dup2 (child->fd, 0);
			dup2 (child->fd, 1);
			dup2 (child->fd, 2);
		}
	}
	if (p->_r2sleep != 0) {
		r_sys_sleep (p->_r2sleep);
	}
	if (p->_chgdir) {
		ret = chdir (p->_chgdir);
		if (ret < 0)
			return 1;
	}
	if (p->_chroot) {
		ret = chdir (p->_chroot);
		if (ret < 0)
			return 1;
	}
#if __UNIX__
	if (p->_chroot) {
		if (chroot (p->_chroot)) {
			eprintf ("rarun2: cannot chroot\n");
			return 1;
		}
		chdir("/");
	}
	if (p->_setuid) {
		ret = setgroups(0, NULL);
		if (ret < 0)
			return 1;
		ret = setuid (atoi (p->_setuid));
		if (ret < 0)
			return 1;
	}
	if (p->_seteuid) {
		ret = seteuid (atoi (p->_seteuid));
		if (ret < 0)
			return 1;
	}
	if (p->_setgid) {
		ret = setgid (atoi (p->_setgid));
		if (ret < 0)
			return 1;
	}
	if (p->_input) {
		int f2[2];
		pipe (f2);
		close (0);
		dup2 (f2[0], 0);
		parseinput (p->_input);
		write (f2[1], p->_input, strlen (p->_input));
	}
#endif
	if (p->_r2preload) {
		if (p->_preload) {
			eprintf ("WARNING: Only one library can be opened at a time\n");
		}
		p->_preload = R2_LIBDIR"/libr2."R_LIB_EXT;
	}
	if (p->_libpath) {
#if __WINDOWS__
		eprintf ("rarun2: libpath unsupported for this platform\n");
#elif __HAIKU__
		r_sys_setenv ("LIBRARY_PATH", p->_libpath);
#elif __APPLE__
		r_sys_setenv ("DYLD_LIBRARY_PATH", p->_libpath);
#else
		r_sys_setenv ("LD_LIBRARY_PATH", p->_libpath);
#endif
	}
	if (p->_preload) {
#if __APPLE__
		// 10.6
		r_sys_setenv ("DYLD_PRELOAD", p->_preload);
		r_sys_setenv ("DYLD_INSERT_LIBRARIES", p->_preload);
		// 10.8
		r_sys_setenv ("DYLD_FORCE_FLAT_NAMESPACE", "1");
#else
		r_sys_setenv ("LD_PRELOAD", p->_preload);
#endif
	}
	if (p->_timeout) {
#if __UNIX__
		int mypid = getpid ();
		if (!fork ()) {
			sleep (p->_timeout);
			if (!kill (mypid, 0))
				eprintf ("\nrarun2: Interrupted by timeout\n");
			kill (mypid, SIGKILL);
			exit (0);
		}
#else
		eprintf ("timeout not supported for this platform\n");
#endif
	}
#if __APPLE__
	posix_spawnattr_init (&attr);
	if (p->_args[0]) {
		char **envp = r_sys_get_environ();
		ut32 spflags = 0; //POSIX_SPAWN_START_SUSPENDED;
		spflags |= POSIX_SPAWN_SETEXEC;
		if (p->_aslr == 0) {
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
			spflags |= _POSIX_SPAWN_DISABLE_ASLR;
		}
		(void)posix_spawnattr_setflags (&attr, spflags);
		if (p->_bits) {
			size_t copied = 1;
			cpu_type_t cpu;
#if __i386__ || __x86_64__
			cpu = CPU_TYPE_I386;
			if (p->_bits == 64)
				cpu |= CPU_ARCH_ABI64;
#else
			cpu = CPU_TYPE_ANY;
#endif
			posix_spawnattr_setbinpref_np (
					&attr, 1, &cpu, &copied);
		}
		ret = posix_spawnp (&pid, p->_args[0],
			NULL, &attr, p->_args, envp);
		switch (ret) {
		case 0:
			break;
		case 22:
			eprintf ("posix_spawnp: Invalid argument\n");
			break;
		case 86:
			eprintf ("posix_spawnp: Unsupported architecture\n");
			break;
		default:
			eprintf ("posix_spawnp: unknown error %d\n", ret);
			perror ("posix_spawnp");
			break;
		}
		exit (ret);
	}
#endif
	if (p->_system) {
		if (p->_pid) {
			eprintf ("PID: Cannot determine pid with 'system' directive. Use 'program'.\n");
		}
		exit (r_sys_cmd (p->_system));
	}
	if (p->_program) {
		if (!r_file_exists (p->_program)) {
			char *progpath = r_file_path (p->_program);
			if (progpath && *progpath) {
				free (p->_program);
				p->_program = progpath;
			} else {
				free (progpath);
				eprintf ("rarun2: %s: file not found\n", p->_program);
				return 1;
			}
		}
#if __UNIX__
		// XXX HACK close all non-tty fds
		{ int i; for (i=3; i<10; i++) close (i); }
		// TODO: use posix_spawn
		if (p->_setgid) {
			ret = setgid (atoi (p->_setgid));
			if (ret < 0)
				return 1;
		}
		if (p->_pid) {
			eprintf ("PID: %d\n", getpid ());
		}
		if (p->_pidfile) {
			char pidstr[32];
			snprintf (pidstr, sizeof (pidstr), "%d\n", getpid ());
			r_file_dump (p->_pidfile,
				(const ut8*)pidstr,
				strlen (pidstr), 0);
		}
#endif

	if (p->_nice) {
#if __UNIX__
        errno = 0;
        ret = nice(p->_nice);
        if (ret == -1) {
            if (errno != 0) {
                return 1;
            }
        }
#else
	eprintf ("nice not supported for this platform\n");
#endif
    }
		exit (execv (p->_program, (char* const*)p->_args));
	}
	return 0;
}
Beispiel #6
0
int main(int argc, char **argv) {
	RSocket *s;
	RSocketHTTPRequest *rs;
	int c, timeout = 3;
	int dodaemon = 0;
	int dosandbox = 0;
	const char *port = "8080";

	// TODO: add flag to specify if listen in local or 0.0.0.0
        while ((c = getopt (argc, argv, "hp:ds")) != -1) {
                switch (c) {
		case 's':
			dosandbox = 1;
			break;
		case 'd':
			dodaemon = 1;
			break;
		case 'h':
			return usage (1);
		case 'p':
			port = optarg;
			break;
		}
	}
	if (dodaemon) {
		int pid = fork ();
		if (pid >0) {
			printf ("%d\n", pid);
			return 0;
		}
	}
	s = r_socket_new (R_FALSE);
	s->local = 1; // by default
	if (!r_socket_listen (s, port, NULL)) {
		eprintf ("Cannot listen on http.port\n");
		return 1;
	}
	
	r_sandbox_enable (dosandbox);
	while (!r_cons_singleton ()->breaked) {
		char *result_heap = NULL;
		const char *result = page_index;

		rs = r_socket_http_accept (s, timeout);
		if (!rs) continue;
		if (!strcmp (rs->method, "GET")) {
			if (!memcmp (rs->path, "/proc/kill/", 11)) {
				// TODO: show page here?
				int pid = atoi (rs->path+11);
				if (pid>0) kill (pid, 9);
			} else
			if (!memcmp (rs->path, "/file/open/", 11)) {
				int pid;
				int session_port = 3000 + r_num_rand (1024);
				char *filename = rs->path +11;
				int filename_len = strlen (filename);
				char *cmd;

				if (!(cmd = malloc (filename_len+40))) {
					perror ("malloc");
					return 1;
				}
				sprintf (cmd, "r2 -q -e http.port=%d -c=h \"%s\"",
					session_port, filename);

				// TODO: use r_sys api to get pid when running in bg
				pid = r_sys_cmdbg (cmd);
				free (cmd);
				result = result_heap = malloc (1024+filename_len);
				if (!result) {
					perror ("malloc");
					return 1;
				}
				sprintf (result_heap,
				"<html><body>"
				"<a href='/'>back</a><hr size=1/>"
				" - <a target='_blank' href='http://localhost:%d/'>open</a><br />"
				" - <a href='/proc/kill/%d'>kill</a><br />"
				"</body></html>", session_port, pid);
				eprintf ("\nchild pid %d\n\n", pid);
			}
		}
		r_socket_http_response (rs, 200, result, 0, NULL);
		r_socket_http_close (rs);
		free (result_heap);
	}
	r_socket_free (s);
	return 0;
}
Beispiel #7
0
R_API int r_socket_rap_server_listen (RSocketRapServer *rap_s, const char *certfile) {
	if (!rap_s || !rap_s->port)
		return R_FALSE;
	return r_socket_listen (rap_s->fd, rap_s->port, certfile);
}
Beispiel #8
0
int main(int argc, char **argv) {
	RSocket *s;
	RSocketHTTPRequest *rs;
	int c, timeout = 3;
	int dodaemon = 0;
	int dosandbox = 0;
	bool listenlocal = true;
	const char *port = "8080";

	while ((c = getopt (argc, argv, "adhp:sv")) != -1) {
		switch (c) {
		case 'a':
			listenlocal = false;
			break;
		case 's':
			dosandbox = 1;
			break;
		case 'd':
			dodaemon = 1;
			break;
		case 'h':
			return usage (1);
		case 'v':
			return showversion ();
		case 'p':
			port = optarg;
			break;
		default:
			return usage (0);
		}
	}
	if (optind != argc) {
		return usage (0);
	}

#if USE_IOS_JETSAM
	memorystatus_control (MEMORYSTATUS_CMD_SET_JETSAM_TASK_LIMIT, getpid (), 256, NULL, 0);
#endif
	if (dodaemon) {
#if LIBC_HAVE_FORK
		int pid = fork ();
#else
		int pid = -1;
#endif
		if (pid > 0) {
			printf ("%d\n", pid);
			return 0;
		}
	}
	s = r_socket_new (false);
	s->local = listenlocal;
	if (!r_socket_listen (s, port, NULL)) {
		eprintf ("Cannot listen on %d\n", s->port);
		r_socket_free (s);
		return 1;
	}
	
	eprintf ("http://localhost:%d/\n", s->port);
	if (dosandbox && !r_sandbox_enable (true)) {
		eprintf ("sandbox: Cannot be enabled.\n");
		return 1;
	}
	while (!r_cons_singleton ()->breaked) {
		char *result_heap = NULL;
		const char *result = page_index;

		rs = r_socket_http_accept (s, timeout);
		if (!rs) continue;
		if (!strcmp (rs->method, "GET")) {
			if (!strncmp (rs->path, "/proc/kill/", 11)) {
				// TODO: show page here?
				int pid = atoi (rs->path + 11);
				if (pid > 0) {
					kill (pid, 9);
				}
			} else if (!strncmp (rs->path, "/file/open/", 11)) {
				int pid;
				int session_port = 3000 + r_num_rand (1024);
				char *filename = rs->path + 11;
				int filename_len = strlen (filename);
				char *cmd;

				if (!(cmd = malloc (filename_len + 40))) {
					perror ("malloc");
					return 1;
				}
				sprintf (cmd, "r2 -q %s-e http.port=%d -c=h \"%s\"",
					listenlocal? "": "-e http.bind=public ",
					session_port, filename);

				// TODO: use r_sys api to get pid when running in bg
				pid = r_sys_cmdbg (cmd);
				free (cmd);
				result = result_heap = malloc (1024 + filename_len);
				if (!result) {
					perror ("malloc");
					return 1;
				}
				sprintf (result_heap,
				"<html><body>"
				"<a href='/'>back</a><hr size=1/>"
				" - <a target='_blank' href='http://localhost:%d/'>open</a><br />"
				" - <a href='/proc/kill/%d'>kill</a><br />"
				"</body></html>", session_port, pid);
				eprintf ("\nchild pid %d\n\n", pid);
			}
		}
		r_socket_http_response (rs, 200, result, 0, NULL);
		r_socket_http_close (rs);
		free (result_heap);
		result_heap = NULL;
	}
	r_socket_free (s);
	return 0;
}
Beispiel #9
0
R_API int r_run_config_env(RRunProfile *p) {
	int ret;

	if (!p->_program && !p->_system && !p->_runlib) {
		printf ("No program, system or runlib rule defined\n");
		return 1;
	}
	// when IO is redirected to a process, handle them together
	if (handle_redirection (p->_stdio, true, true, false) != 0) {
		return 1;
	}
	if (handle_redirection (p->_stdin, true, false, false) != 0) {
		return 1;
	}
	if (handle_redirection (p->_stdout, false, true, false) != 0) {
		return 1;
	}
	if (handle_redirection (p->_stderr, false, false, true) != 0) {
		return 1;
	}
	if (p->_aslr != -1) {
		setASLR (p, p->_aslr);
	}
#if __UNIX__
	set_limit (p->_docore, RLIMIT_CORE, RLIM_INFINITY);
	if (p->_maxfd) {
		set_limit (p->_maxfd, RLIMIT_NOFILE, p->_maxfd);
	}
#ifdef RLIMIT_NPROC
	if (p->_maxproc) {
		set_limit (p->_maxproc, RLIMIT_NPROC, p->_maxproc);
	}
#endif
	if (p->_maxstack) {
		set_limit (p->_maxstack, RLIMIT_STACK, p->_maxstack);
	}
#else
	if (p->_docore || p->_maxfd || p->_maxproc || p->_maxstack)
		eprintf ("Warning: setrlimits not supported for this platform\n");
#endif
	if (p->_connect) {
		char *q = strchr (p->_connect, ':');
		if (q) {
			RSocket *fd = r_socket_new (0);
			*q = 0;
			if (!r_socket_connect_tcp (fd, p->_connect, q+1, 30)) {
				eprintf ("Cannot connect\n");
				return 1;
			}
			if (p->_pty) {
				if (redirect_socket_to_pty (fd) != 0) {
					eprintf ("socket redirection failed\n");
					r_socket_free (fd);
					return 1;
				}
			} else {
				redirect_socket_to_stdio (fd);
			}
		} else {
			eprintf ("Invalid format for connect. missing ':'\n");
			return 1;
		}
	}
	if (p->_listen) {
		RSocket *child, *fd = r_socket_new (0);
		bool is_child = false;
		if (!r_socket_listen (fd, p->_listen, NULL)) {
			eprintf ("rarun2: cannot listen\n");
			r_socket_free (fd);
			return 1;
		}
		while (true) {
			child = r_socket_accept (fd);
			if (child) {
				is_child = true;

				if (p->_dofork && !p->_dodebug) {
#ifdef _MSC_VER
					int child_pid = r_sys_fork ();
#else
					pid_t child_pid = r_sys_fork ();
#endif
					if (child_pid == -1) {
						eprintf("rarun2: cannot fork\n");
						r_socket_free (child);
						r_socket_free (fd);
						return 1;
					} else if (child_pid != 0){
						// parent code
						is_child = false;
					}
				}

				if (is_child) {
					r_socket_close_fd (fd);
					eprintf ("connected\n");
					if (p->_pty) {
						if (redirect_socket_to_pty (child) != 0) {
							eprintf ("socket redirection failed\n");
							r_socket_free (child);
							r_socket_free (fd);
							return 1;
						}
					} else {
						redirect_socket_to_stdio (child);
					}
					break;
				} else {
					r_socket_close_fd (child);
				}
			}
		}
		if (!is_child) {
			r_socket_free (child);
		}
		r_socket_free (fd);
	}
	if (p->_r2sleep != 0) {
		r_sys_sleep (p->_r2sleep);
	}
#if __UNIX__
	if (p->_chroot) {
		if (chdir (p->_chroot) == -1) {
			eprintf ("Cannot chdir to chroot in %s\n", p->_chroot);
			return 1;
		} else {
			if (chroot (".") == -1) {
				eprintf ("Cannot chroot to %s\n", p->_chroot);
				return 1;
			} else {
				// Silenting pedantic meson flags...
				if (chdir ("/") == -1) {
					eprintf ("Cannot chdir to /\n");
					return 1;
				}
				if (p->_chgdir) {
					if (chdir (p->_chgdir) == -1) {
						eprintf ("Cannot chdir after chroot to %s\n", p->_chgdir);
						return 1;
					}
				}
			}
		}
	} else if (p->_chgdir) {
		if (chdir (p->_chgdir) == -1) {
			eprintf ("Cannot chdir after chroot to %s\n", p->_chgdir);
			return 1;
		}
	}
#else
	if (p->_chgdir) {
		ret = chdir (p->_chgdir);
		if (ret < 0) {
			return 1;
		}
	}
	if (p->_chroot) {
		ret = chdir (p->_chroot);
		if (ret < 0) {
			return 1;
		}
	}
#endif
#if __UNIX__
	if (p->_setuid) {
		ret = setgroups (0, NULL);
		if (ret < 0) {
			return 1;
		}
		ret = setuid (atoi (p->_setuid));
		if (ret < 0) {
			return 1;
		}
	}
	if (p->_seteuid) {
		ret = seteuid (atoi (p->_seteuid));
		if (ret < 0) {
			return 1;
		}
	}
	if (p->_setgid) {
		ret = setgid (atoi (p->_setgid));
		if (ret < 0) {
			return 1;
		}
	}
	if (p->_input) {
		char *inp;
		int f2[2];
		if (pipe (f2) != -1) {
			close (0);
			dup2 (f2[0], 0);
		} else {
			eprintf ("[ERROR] rarun2: Cannot create pipe\n");
			return 1;
		}
		inp = getstr (p->_input);
		if (inp) {
			size_t inpl = strlen (inp);
			if  (write (f2[1], inp, inpl) != inpl) {
				eprintf ("[ERROR] rarun2: Cannot write to the pipe\n");
			}
			close (f2[1]);
			free (inp);
		} else {
			eprintf ("Invalid input\n");
		}
	}
#endif
	if (p->_r2preload) {
		if (p->_preload) {
			eprintf ("WARNING: Only one library can be opened at a time\n");
		}
		p->_preload = R2_LIBDIR"/libr2."R_LIB_EXT;
	}
	if (p->_libpath) {
#if __WINDOWS__
		eprintf ("rarun2: libpath unsupported for this platform\n");
#elif __HAIKU__
		r_sys_setenv ("LIBRARY_PATH", p->_libpath);
#elif __APPLE__
		r_sys_setenv ("DYLD_LIBRARY_PATH", p->_libpath);
#else
		r_sys_setenv ("LD_LIBRARY_PATH", p->_libpath);
#endif
	}
	if (p->_preload) {
#if __APPLE__
		// 10.6
#ifndef __MAC_10_7
		r_sys_setenv ("DYLD_PRELOAD", p->_preload);
#endif
		r_sys_setenv ("DYLD_INSERT_LIBRARIES", p->_preload);
		// 10.8
		r_sys_setenv ("DYLD_FORCE_FLAT_NAMESPACE", "1");
#else
		r_sys_setenv ("LD_PRELOAD", p->_preload);
#endif
	}
	if (p->_timeout) {
#if __UNIX__
		int mypid = getpid ();
		if (!r_sys_fork ()) {
			int use_signal = p->_timeout_sig;
			if (use_signal < 1) {
				use_signal = SIGKILL;
			}
			sleep (p->_timeout);
			if (!kill (mypid, 0)) {
				eprintf ("\nrarun2: Interrupted by timeout\n");
			}
			kill (mypid, use_signal);
			exit (0);
		}
#else
		eprintf ("timeout not supported for this platform\n");
#endif
	}
	return 0;
}
Beispiel #10
0
static int runfile () {
	if (!_program) {
		printf ("No program rule defined\n");
		return 1;
	}
	if (_stdin) {
		int f = open (_stdin, O_RDONLY);
		close (0);
		dup2 (f, 0);
	}
	if (_stdout) {
		int f = open (_stdout, O_RDONLY);
		close (1);
		dup2 (f, 1);
	}
	if (_stderr) {
		int f = open (_stderr, O_RDONLY);
		close (2);
		dup2 (f, 2);
	}

	if (_connect) {
		char *p = strchr (_connect, ':');
		if (p) {
			RSocket *fd = r_socket_new (0);
			*p=0;
			if (!r_socket_connect_tcp (fd, _connect, p+1, 30)) {
				eprintf ("Cannot connect\n");
				return 1;
			}
			eprintf ("connected\n");
			close (0);
			close (1);
			close (2);
			dup2 (fd->fd, 0);
			dup2 (fd->fd, 1);
			dup2 (fd->fd, 2);
		} else {
			eprintf ("Invalid format for connect. missing ':'\n");
			return 1;
		}
	}
	if (_listen) {
		RSocket *child, *fd = r_socket_new (0);
		if (!r_socket_listen (fd, _listen, NULL)) {
			eprintf ("rarun2: cannot listen\n");
			return 1;
		}
		child = r_socket_accept (fd);
		if (child) {
			eprintf ("connected\n");
			close (0);
			close (1);
			close (2);
			dup2 (child->fd, 0);
			dup2 (child->fd, 1);
			dup2 (child->fd, 2);
		}
	}
	if (_chgdir) chdir (_chgdir);
	if (_chroot) chdir (_chroot);
#if __UNIX__
	if (_chroot) {
		if (chroot (".")) {
			eprintf ("rarun2: cannot chroot\n");
			return 1;
		}
	}
	if (_setuid) setuid (atoi (_setuid));
	if (_seteuid) seteuid (atoi (_seteuid));
	if (_setgid) setgid (atoi (_setgid));
	if (_input) {
		int f2[2];
		pipe (f2);
		close (0);
		dup2 (f2[0], 0);
		parseinput (_input);
		write (f2[1], _input, strlen (_input));
	}
#endif
	if (_preload) {
#if __APPLE__
		r_sys_setenv ("DYLD_PRELOAD", _preload);
#else
		r_sys_setenv ("LD_PRELOAD", _preload);
#endif
	}
	if (_timeout) {
#if __UNIX__
		int mypid = getpid ();
		if (!fork ()) {
			sleep (_timeout);
			if (!kill (mypid, 0))
				fprintf (stderr, "\nrarun2: Interrupted by timeout\n");
			kill (mypid, SIGKILL);
			exit (0);
		}
#else
		eprintf ("timeout not supported for this platform\n");
#endif
	}
	if (!r_file_exists (_program)) {
		eprintf ("rarun2: %s: file not found\n", _program);
		return 1;
	}
	exit (execv (_program, _args));
}
Beispiel #11
0
- follow symlinks
#endif

R_API int r_core_rtr_http(RCore *core, int launch, const char *path) {
	RSocketHTTPRequest *rs;
	int oldsandbox = -1;
	int timeout = r_config_get_i (core->config, "http.timeout");
	int x = r_config_get_i (core->config, "scr.html");
	int y = r_config_get_i (core->config, "scr.color");
	int z = r_config_get_i (core->config, "asm.bytes");
	int u = r_config_get_i (core->config, "scr.interactive");
	int v = r_config_get_i (core->config, "asm.cmtright");
	const char *port = r_config_get (core->config, "http.port");
	if (r_sandbox_enable (0)) {
		eprintf ("sandbox: connect disabled\n");
		return 1;
	}
	s = r_socket_new (R_FALSE);
	s->local = !r_config_get_i (core->config, "http.public");
	if (!r_socket_listen (s, port, NULL)) {
		eprintf ("Cannot listen on http.port\n");
		return 1;
	}
	if (launch) {
		char cmd[128];
		const char *browser = r_config_get (core->config, "http.browser");
		snprintf (cmd, sizeof (cmd)-1, "%s http://localhost:%d/%s",
			browser, atoi (port), path?path:"");
		r_sys_cmd (cmd);
	}
	r_config_set (core->config, "asm.cmtright", "false");
	r_config_set (core->config, "scr.html", "true");
	r_config_set (core->config, "scr.color", "false");
	r_config_set (core->config, "asm.bytes", "false");
	r_config_set (core->config, "scr.interactive", "false");
	if (r_config_get_i (core->config, "http.sandbox")) {
		oldsandbox = r_config_get_i (core->config, "cfg.sandbox");
		r_config_set (core->config, "cfg.sandbox", "true");
	}
	eprintf ("Starting http server...\n");
	eprintf ("http://localhost:%d/\n", atoi (port));
	while (!r_cons_singleton ()->breaked) {
		r_cons_break (http_break, core);
		rs = r_socket_http_accept (s, timeout);
		if (!rs) {
			if (!s) break;
			r_sys_usleep (200);
			continue;
		}
		if (!rs->method || !rs->path) {
			r_socket_http_close (rs);
			continue;
		}
		if (!strcmp (rs->method, "GET")) {
			if (!memcmp (rs->path, "/up", 3)) {
				if (r_config_get_i (core->config, "http.upget")) {
					const char *uproot = r_config_get (core->config, "http.uproot");
					if (!rs->path[3] || (rs->path[3]=='/'&&!rs->path[4])) {
						char *ptr = strdup ("<html><body>\n");
						const char *file;
						RListIter *iter;
						// list files
						RList *files = r_sys_dir (uproot);
						eprintf ("Listing directory %s\n", uproot);
						r_list_foreach (files, iter, file) {
							if (file[0] == '.') continue;
							ptr = r_str_concatf (ptr, "<a href=\"/up/%s\">%s</a><br />\n",
								file, file);
						}
						r_list_free (files);
						ptr = r_str_concat (ptr, "<html><body>\n");
						r_socket_http_response (rs, 200, ptr, 0, NULL);
					} else {
						char *path = r_file_root (uproot, rs->path + 4);
						if (r_file_exists (path)) {
							int sz = 0;
							char *f = r_file_slurp (path, &sz);
							if (f) {
								r_socket_http_response (rs, 200, f, sz, NULL);
								free (f);
							} else {
								r_socket_http_response (rs, 403, "Permission denied", 0, NULL);
								eprintf ("http: Cannot open '%s'\n", path);
							}
						} else {
							eprintf ("File '%s' not found\n", path);
							r_socket_http_response (rs, 404, "File not found\n", 0, NULL);
						}
						free (path);
					}
				} else {
					r_socket_http_response (rs, 403,
							"Permission denied\n", 0, NULL);
				}
			} else if (!memcmp (rs->path, "/cmd/", 5)) {
Beispiel #12
0
R_API int r_core_rtr_http(RCore *core, int launch, const char *path) {
	char buf[32];
	RSocketHTTPRequest *rs;
	int iport, oldsandbox = -1;
	int timeout = r_config_get_i (core->config, "http.timeout");
	int x = r_config_get_i (core->config, "scr.html");
	int y = r_config_get_i (core->config, "scr.color");
	int z = r_config_get_i (core->config, "asm.bytes");
	int u = r_config_get_i (core->config, "scr.interactive");
	int v = r_config_get_i (core->config, "asm.cmtright");
	const char *port = r_config_get (core->config, "http.port");
	char *allow = (char *)r_config_get (core->config, "http.allow");
	if (core->http_up) {
		eprintf ("http server is already running\n");
		return 1;
	}
	if (r_sandbox_enable (0)) {
		eprintf ("sandbox: connect disabled\n");
		return 1;
	}
	if (path && atoi (path)) {
		port = path;
		path = NULL;
	}
	if (!strcmp (port, "0")) {
		r_num_irand ();
		iport = 1024+r_num_rand (45256);
		snprintf (buf, sizeof (buf), "%d", iport);
		port = buf;
	}
	s = r_socket_new (R_FALSE);
	s->local = !r_config_get_i (core->config, "http.public");
	if (!r_socket_listen (s, port, NULL)) {
		eprintf ("Cannot listen on http.port\n");
		return 1;
	}
	if (launch) {
		char cmd[128];
		const char *browser = r_config_get (core->config, "http.browser");
		snprintf (cmd, sizeof (cmd)-1, "%s http://localhost:%d/%s &",
			browser, atoi (port), path?path:"");
		r_sys_cmd (cmd);
	}
	r_config_set (core->config, "asm.cmtright", "false");
	r_config_set (core->config, "scr.html", "true");
	r_config_set (core->config, "scr.color", "false");
	r_config_set (core->config, "asm.bytes", "false");
	r_config_set (core->config, "scr.interactive", "false");
	if (r_config_get_i (core->config, "http.sandbox")) {
		oldsandbox = r_config_get_i (core->config, "cfg.sandbox");
		r_config_set (core->config, "cfg.sandbox", "true");
	}
	eprintf ("Starting http server...\n");
	eprintf ("http://localhost:%d/\n", atoi (port));
	core->http_up = R_TRUE;
	while (!r_cons_singleton ()->breaked) {
		r_cons_break ((RConsBreak)http_break, core);
		rs = r_socket_http_accept (s, timeout);
		if (!rs) {
			if (!s) break;
			r_sys_usleep (100);
			continue;
		}
		if (allow && *allow) {
			int accepted = R_FALSE;
			const char *host;
			char *p, *peer = r_socket_to_string (rs->s);
			char *allows = strdup (allow);
			//eprintf ("Firewall (%s)\n", allows);
			int i, count = r_str_split (allows, ',');
			p = strchr (peer, ':');
			if (p) *p = 0;
			for (i=0; i<count; i++) {
				host = r_str_word_get0 (allows, i);
				//eprintf ("--- (%s) (%s)\n", host, peer);
				if (!strcmp (host, peer)) {
					accepted = R_TRUE;
					break;
				}
			}
			free (peer);
			free (allows);
			if (!accepted) {
				r_socket_http_close (rs);
				continue;
			}
		}
		if (!rs->method || !rs->path) {
			eprintf ("Invalid http headers received from client\n");
			r_socket_http_close (rs);
			continue;
		}
		char *dir = NULL;

		if (r_config_get_i (core->config, "http.dirlist"))
			if (r_file_is_directory (rs->path))
				dir = strdup (rs->path);
		if (!strcmp (rs->method, "GET")) {
			if (!memcmp (rs->path, "/up", 3)) {
				if (r_config_get_i (core->config, "http.upget")) {
					const char *uproot = r_config_get (core->config, "http.uproot");
					if (!rs->path[3] || (rs->path[3]=='/'&&!rs->path[4])) {
						char *ptr = rtr_dir_files (uproot);
						r_socket_http_response (rs, 200, ptr, 0, NULL);
						free (ptr);
					} else {
						char *path = r_file_root (uproot, rs->path + 4);
						if (r_file_exists (path)) {
							int sz = 0;
							char *f = r_file_slurp (path, &sz);
							if (f) {
								r_socket_http_response (rs, 200, f, sz, NULL);
								free (f);
							} else {
								r_socket_http_response (rs, 403, "Permission denied", 0, NULL);
								eprintf ("http: Cannot open '%s'\n", path);
							}
						} else {
							if (dir) {
								char *resp = rtr_dir_files (dir);
								r_socket_http_response (rs, 404, resp, 0, NULL);
								free (resp);
							} else {
								eprintf ("File '%s' not found\n", path);
								r_socket_http_response (rs, 404, "File not found\n", 0, NULL);
							}
						}
						free (path);
					}
				} else {
					r_socket_http_response (rs, 403,
							"Permission denied\n", 0, NULL);
				}
			} else if (!memcmp (rs->path, "/cmd/", 5)) {
				char *cmd = rs->path +5;
				char foo[32];
				const char *httpcmd = r_config_get (core->config, "http.uri");
				while (*cmd=='/') cmd++;
				if (httpcmd && *httpcmd) {
					int len;
					char *res;
					// do remote http query and proxy response
					snprintf (foo, sizeof (foo), "%s/%s", httpcmd, cmd);
					res = r_socket_http_get (foo, NULL, &len);
					if (res) {
						res[len]=0;
						r_cons_printf ("%s\n", res);
					}
				} else {
					char *out, *cmd = rs->path+5;
					r_str_uri_decode (cmd);
					// eprintf ("CMD (%s)\n", cmd);
					out = r_core_cmd_str_pipe (core, cmd);
					// eprintf ("\nOUT LEN = %d\n", strlen (out));
					if (out) {
						char *res = r_str_uri_encode (out);
						r_socket_http_response (rs, 200, out, 0,
							"Content-Type: text/plain\n");
						free (out);
						free (res);
					} else r_socket_http_response (rs, 200, "", 0, NULL);
				}
			} else {
				const char *root = r_config_get (core->config, "http.root");
				char *path = r_file_root (root, rs->path);
				// FD IS OK HERE
				if (rs->path [strlen (rs->path)-1] == '/') {
					path = r_str_concat (path, "index.html");
					//rs->path = r_str_concat (rs->path, "index.html");
				} else {
					//snprintf (path, sizeof (path), "%s/%s", root, rs->path);
					if (r_file_is_directory (path)) {
						char res[128];
						snprintf (res, sizeof (res),
							"Location: %s/\n", rs->path);
						r_socket_http_response (rs, 302,
							NULL, 0, res);
						r_socket_http_close (rs);
						free (path);
						free (dir);
						dir = NULL;
						continue;
					}
				}
				if (r_file_exists (path)) {
					int sz = 0;
					char *f = r_file_slurp (path, &sz);
					if (f) {
						const char *contenttype = NULL;
						if (strstr (path, ".js")) contenttype = "Content-Type: application/javascript\n";
						if (strstr (path, ".css")) contenttype = "Content-Type: text/css\n";
						if (strstr (path, ".html")) contenttype = "Content-Type: text/html\n";
						r_socket_http_response (rs, 200, f, sz, contenttype);
						free (f);
					} else {
						r_socket_http_response (rs, 403, "Permission denied", 0, NULL);
						eprintf ("http: Cannot open '%s'\n", path);
					}
				} else {
					if (dir) {
						char *resp = rtr_dir_files (dir);
						eprintf ("Dirlisting %s\n", dir);
						r_socket_http_response (rs, 404, resp, 0, NULL);
						free (resp);
					} else {
						eprintf ("File '%s' not found\n", path);
						r_socket_http_response (rs, 404, "File not found\n", 0, NULL);
					}
				}
				free (path);
			}
		} else 
		if (!strcmp (rs->method, "POST")) {
			ut8 *ret;
			int retlen;
			char buf[128];
			if (r_config_get_i (core->config, "http.upload")) {
				ret = r_socket_http_handle_upload (
					rs->data, rs->data_length, &retlen);
				if (ret) {
					ut64 size = r_config_get_i (core->config, "http.maxsize");
					if (size && retlen > size) {
						r_socket_http_response (rs, 403, "403 File too big\n", 0, NULL);
					} else {
						char *filename = r_file_root (
							r_config_get (core->config, "http.uproot"),
							rs->path + 4);
						eprintf ("UPLOADED '%s'\n", filename);
						r_file_dump (filename, ret, retlen);
						free (filename);
						snprintf (buf, sizeof (buf),
							"<html><body><h2>uploaded %d bytes. Thanks</h2>\n", retlen);
							r_socket_http_response (rs, 200, buf, 0, NULL);
					}
					free (ret);
				}
			} else {
				r_socket_http_response (rs, 403, "403 Forbidden\n", 0, NULL);
			}
		} else {
			r_socket_http_response (rs, 404, "Invalid protocol", 0, NULL);
		}
		r_socket_http_close (rs);
		free (dir);
	}
	core->http_up = R_FALSE;
	r_socket_free (s);
	r_cons_break_end ();
	r_config_set_i (core->config, "scr.html", x);
	r_config_set_i (core->config, "scr.color", y);
	r_config_set_i (core->config, "asm.bytes", z);
	r_config_set_i (core->config, "scr.interactive", u);
	r_config_set_i (core->config, "asm.cmtright", v);
	if (oldsandbox != -1)
		r_config_set_i (core->config, "cfg.sandbox", oldsandbox);
	return 0;
}
Beispiel #13
0
R_API int r_socket_rap_server_listen (RSocketRapServer *rap_s, const char *certfile) {
	if (!rap_s || rap_s->port[0] == '\0')
		return false;
	return r_socket_listen (rap_s->fd, rap_s->port, certfile);
}