Beispiel #1
0
static void parseline (char *b) {
	char *e = strchr (b, '=');
	if (!e) return;
	if (*b=='#') return;
	*e++ = 0;
	if (*e=='$') e = r_sys_getenv (e);
	if (e == NULL) return;
	if (!strcmp (b, "program")) _args[0] = _program = strdup (e);
	else if (!strcmp (b, "connect")) _connect = strdup (e);
	else if (!strcmp (b, "listen")) _listen = strdup (e);
	else if (!strcmp (b, "stdout")) _stdout = strdup (e);
	else if (!strcmp (b, "stdin")) _stdin = strdup (e);
	else if (!strcmp (b, "input")) _input = strdup (e);
	else if (!strcmp (b, "chdir")) _chgdir = strdup (e);
	else if (!strcmp (b, "chroot")) _chroot = strdup (e);
	else if (!strcmp (b, "preload")) _preload = strdup (e);
	else if (!strcmp (b, "setuid")) _setuid = strdup (e);
	else if (!strcmp (b, "seteuid")) _seteuid = strdup (e);
	else if (!strcmp (b, "setgid")) _setgid = strdup (e);
	else if (!strcmp (b, "setegid")) _setegid = strdup (e);
	else if (!memcmp (b, "arg", 3)) {
		int n = atoi (b+3);
		if (n>=0 && n<NARGS) {
			_args[n] = strdup (e);
			r_str_escape (_args[n]);
		} else eprintf ("Out of bounds args index: %d\n", n);
	} else if (!strcmp (b, "timeout")) _timeout = atoi (e);
	else if (!strcmp (b, "setenv")) {
		char *v = strchr (e, '=');
		if (v) {
			*v++ = 0;
			r_sys_setenv (e, v);
		}
	}
}
Beispiel #2
0
R_API void r_egg_lang_include_path (REgg *egg, const char *path) {
	char *env = r_sys_getenv (R_EGG_INCDIR_ENV);
	if (!env || !*env) {
		r_egg_lang_include_init (egg);
		env = r_sys_getenv (R_EGG_INCDIR_ENV);
	}
	env = r_str_concatf (NULL, "%s:%s", path, env);
	r_sys_setenv (R_EGG_INCDIR_ENV, env);
	free (env);
}
Beispiel #3
0
static void _libwrap_init() {
	char *web;
	signal (SIGUSR1, sigusr1);
	signal (SIGUSR2, sigusr2);
	printf ("libr2 initialized. send SIGUSR1 to %d in order to reach the r2 prompt\n", getpid ());
	printf ("kill -USR1 %d\n", getpid ());
	fflush (stdout);
	web = r_sys_getenv ("RARUN2_WEB");
	core = r_core_new ();
	r_core_loadlibs (core, R_CORE_LOADLIBS_ALL, NULL);
	if (web) {
		r_core_cmd0 (core, "=H&");
		r_sys_setenv ("RARUN2_WEB", NULL);
		free (web);
	}
	// TODO: maybe reopen every time a signal is spawned to reload memory regions information
	// TODO: open io_self
}
Beispiel #4
0
static int lang_cpipe_file(RLang *lang, const char *file) {
	char *a, *cc, *p, name[512];
	const char *libpath, *libname;

	if (strlen (file) > (sizeof (name)-10))
		return false;
	if (!strstr (file, ".c"))
		sprintf (name, "%s.c", file);
	else strcpy (name, file);
	if (!r_file_exists (name)) {
		eprintf ("file not found (%s)\n", name);
		return false;
	}

	a = (char*)r_str_lchr (name, '/');
	if (a) {
		*a = 0;
		libpath = name;
		libname = a + 1;
	} else {
		libpath = ".";
		libname = name;
	}
	r_sys_setenv ("PKG_CONFIG_PATH", R2_LIBDIR"/pkgconfig");
	p = strstr (name, ".c");
	if (p) *p = 0;
	cc = r_sys_getenv ("CC");
	if (!cc || !*cc) {
		free (cc);
		cc = strdup ("gcc");
	}
	char *buf = r_str_newf ("%s %s -o %s/bin%s"
		" $(pkg-config --cflags --libs r_socket)",
		cc, file, libpath, libname);
	free (cc);
	if (r_sandbox_system (buf, 1) == 0) {
		char *binfile = r_str_newf ("%s/bin%s", libpath, libname);
		lang_pipe_run (lang, binfile, -1);
		r_file_rm (binfile);
		free (binfile);
	}
	free (buf);
	return 0;
}
Beispiel #5
0
static int cmd_eval(void *data, const char *input) {
	char *p;
	RCore *core = (RCore *)data;
	switch (input[0]) {
	case 't': // env
		if (input[1]==' ' && input[2]) {
			RConfigNode *node = r_config_node_get (core->config, input+2);
			if (node) {
				const char *type = r_config_node_type (node);
				if (type && *type) {
					r_cons_printf ("%s\n", type);
				}
			}
		} else {
			eprintf ("Usage: et [varname]  ; show type of eval var\n");
		}
		break;
	case 'n': // env
		if (!strchr (input, '=')) {
			char *var, *p;
			var = strchr (input, ' ');
			if (var) while (*var==' ') var++;
			p = r_sys_getenv (var);
			if (p) {
				r_cons_printf ("%s\n", p);
				free (p);
			} else {
				char **e = r_sys_get_environ ();
				while (e && *e) {
					r_cons_printf ("%s\n", *e);
					e++;
				}
			}
		} else if (strlen (input)>3) {
			char *v, *k = strdup (input+3);
			if (!k) break;
			v = strchr (k, '=');
			if (v) {
				*v++ = 0;
				r_sys_setenv (k, v);
			}
			free (k);
		}
		return true;
	case 'x': // exit
		return cmd_quit (data, "");
	case 'j':
		r_config_list (core->config, NULL, 'j');
		break;
	case '\0':
		r_config_list (core->config, NULL, 0);
		break;
	case 'c':
		switch (input[1]) {
		case 'h': // echo
			if (( p = strchr (input, ' ') )) {
				r_cons_strcat (p+1);
				r_cons_newline ();
			}
			break;
		case 'd':
			r_cons_pal_init (NULL);
			break;
		case '?': {
			const char *helpmsg[] = {
			"Usage ec[s?] [key][[=| ]fg] [bg]","","",
			"ec","","list all color keys",
			"ec*","","same as above, but using r2 commands",
			"ecd","","set default palette",
			"ecr","","set random palette",
			"ecs","","show a colorful palette",
			"ecj","","show palette in JSON",
			"ecc","","show palette in CSS",
			"eco"," dark|white","load white color scheme template",
			"ecn","","load next color theme",
			"ec"," prompt red","change color of prompt",
			"ec"," prompt red blue","change color and background of prompt",
			""," ","",
			"colors:","","rgb:000, red, green, blue, ...",
			"e scr.rgbcolor","=1|0","for 256 color cube (boolean)",
			"e scr.truecolor","=1|0","for 256*256*256 colors (boolean)",
			"$DATADIR/radare2/cons","","~/.config/radare2/cons ./",
			NULL};
			r_core_cmd_help (core, helpmsg);
			}
			break;
		case 'o': // "eco"
			if (input[2] == ' ') {
				bool failed = false;
				char *home, path[512];
				snprintf (path, sizeof (path), ".config/radare2/cons/%s", input+3);
				home = r_str_home (path);
				snprintf (path, sizeof (path), R2_DATDIR"/radare2/"
					R2_VERSION"/cons/%s", input+3);
				if (!r_core_cmd_file (core, home)) {
					if (r_core_cmd_file (core, path)) {
						//curtheme = r_str_dup (curtheme, path);
						curtheme = r_str_dup (curtheme, input + 3);
					} else {
						if (r_core_cmd_file (core, input+3)) {
							curtheme = r_str_dup (curtheme, input + 3);
						} else {
							eprintf ("eco: cannot open colorscheme profile (%s)\n", path);
							failed = true;
						}
					}
				}
				free (home);
			} else {
				nextpal (core, 'l');
			}
			break;
		case 's': r_cons_pal_show (); break;
		case '*': r_cons_pal_list (1); break;
		case 'j': r_cons_pal_list ('j'); break;
		case 'c': r_cons_pal_list ('c'); break;
		case '\0': r_cons_pal_list (0); break;
		case 'r': // "ecr"
			r_cons_pal_random ();
			break;
		case 'n': // "ecn"
			nextpal (core, 'n');
			break;
		default: {
			char *p = strdup (input + 2);
			char *q = strchr (p, '=');
			if (!q) q = strchr (p, ' ');
			if (q) {
				// set
				*q++ = 0;
				r_cons_pal_set (p, q);
			} else {
				const char *k = r_cons_pal_get (p);
				if (k)
					eprintf ("(%s)(%sCOLOR"Color_RESET")\n", p, k);
			}
			free (p);
		}
		}
		break;
	case 'e':
		if (input[1]==' ') {
			char *p;
			const char *val, *input2 = strchr (input+2, ' ');
			if (input2) input2++; else input2 = input+2;
			val = r_config_get (core->config, input2);
			p = r_core_editor (core, NULL, val);
			if (p) {
				r_str_replace_char (p, '\n', ';');
				r_config_set (core->config, input2, p);
			}
		} else eprintf ("Usage: ee varname\n");
		break;
	case '!':
		input = r_str_chop_ro (input+1);
		if (!r_config_toggle (core->config, input))
			eprintf ("r_config: '%s' is not a boolean variable.\n", input);
		break;
	case '-':
		r_core_config_init (core);
		//eprintf ("BUG: 'e-' command locks the eval hashtable. patches are welcome :)\n");
		break;
	case 'v': eprintf ("Invalid command '%s'. Use 'e?'\n", input); break;
	case '*': r_config_list (core->config, NULL, 1); break;
	case '?':
		switch (input[1]) {
		case '?': r_config_list (core->config, input+2, 2); break;
		default: r_config_list (core->config, input+1, 2); break;
		case 0:{
			const char* help_msg[] = {
			"Usage:", "e[?] [var[=value]]", "Evaluable vars",
			"e","?asm.bytes", "show description",
			"e", "??", "list config vars with description",
			"e", "", "list config vars",
			"e-", "", "reset config vars",
			"e*", "", "dump config vars in r commands",
			"e!", "a", "invert the boolean value of 'a' var",
			"ee", "var", "open editor to change the value of var",
			"er", " [key]", "set config key as readonly. no way back",
			"ec", " [k] [color]", "set color for given key (prompt, offset, ...)",
			"et", " [key]", "show type of given config variable",
			"e", " a", "get value of var 'a'",
			"e", " a=b", "set var 'a' the 'b' value",
			"env", " [k[=v]]", "get/set environment variable",
			NULL};
			r_core_cmd_help (core, help_msg);
			}
		}
		break;
	case 'r':
		if (input[1]) {
			const char *key = input+((input[1]==' ')?2:1);
			if (!r_config_readonly (core->config, key))
				eprintf ("cannot find key '%s'\n", key);
		} else eprintf ("Usage: er [key]\n");
		break;
	case ' ': r_config_eval (core->config, input+1); break;
	default: r_config_eval (core->config, input); break;
	}
	return 0;
}
Beispiel #6
0
/* TODO: split this function into several ones..quite long fun */
static void rcc_next(REgg *egg) {
	const char *ocn;
	REggEmit *e = egg->remit;
	char *str = NULL, *p, *ptr, buf[64];
	int i;

	if (setenviron) {
		elem[elem_n - 1] = 0;
		r_sys_setenv (setenviron, elem);
		R_FREE (setenviron);
		return;
	}
	if (includefile) {
		char *p, *q, *path;
		// TODO: add support for directories
		elem[elem_n-1] = 0;
		path = find_include (elem, includefile);
		if (!path) {
			eprintf ("Cannot find include file '%s'\n", elem);
			return;
		}
		free (includefile);
		includefile = NULL;
		rcc_reset_callname ();
		p = q = r_file_slurp (path, NULL);
		if (p) {
			int oline = ++line;
			elem[0] = 0; // TODO: this must be a separate function
			elem_n = 0;
			line = 0;
			for (; *p; p++)
				r_egg_lang_parsechar (egg, *p);
			free (q);
			line = oline;
		} else {
			eprintf ("Cannot find '%s'\n", path);
		}
		free (path);
		return;
	}
	docall = 1;
	if (callname) {
		if (!strcmp (callname, "goto")) {
			if (nargs != 1) {
				eprintf ("Invalid number of arguments for goto()\n");
				return;
			}
			e->jmp (egg, ctxpush[CTX], 0);
			rcc_reset_callname ();
			return;
		}
		if (!strcmp (callname, "break")) {
			e->trap (egg);
			rcc_reset_callname ();
			return;
		}
		ptr = strchr (callname, '=');
		if (ptr) {
			*ptr = '\0';
			//ocn = ptr+1; // what is the point of this?
		}
		ocn = skipspaces (callname);
		if (!ocn) return;
		str = r_egg_mkvar (egg, buf, ocn, 0);
		if (!str) {
			eprintf ("Cannot mkvar\n");
			return;
		}
		if (*ocn=='.')
			e->call (egg, str, 1);
		if (!strcmp (str, "while")) {
			char var[128];
			if (lastctxdelta >= 0)
				exit (eprintf ("ERROR: Unsupported while syntax\n"));
			sprintf (var, "__begin_%d_%d_%d\n", nfunctions, CTX, nestedi[CTX-1]);
			e->while_end (egg, var); //get_frame_label (1));
#if 0
			eprintf ("------------------------------------------ lastctx: %d\n", lastctxdelta);
			// TODO: the pushvar is required for the if(){}while(); constructions
			//char *pushvar = ctxpush[context+nbrackets-1];
			/* TODO: support to compare more than one expression (LOGICAL OR) */
			rcc_printf ("  pop %%eax\n");
			rcc_printf ("  cmp $0, %%eax\n"); // XXX MUST SUPPORT != 0 COMPARE HERE
			/* TODO : Simplify!! */
			//if (pushvar)
			//	printf("  push %s /* wihle push */\n", pushvar);
			if (lastctxdelta<0)
				rcc_printf ("  jnz %s\n", get_frame_label (1));
			else rcc_printf ("  jnz %s\n", get_frame_label (0));
			//if (pushvar)
			//	printf("  pop %%"R_AX" /* while pop */\n");
#endif
			nargs = 0;
		} else {
			for (i = 0; i < nsyscalls; i++) {
				if (!strcmp (str, syscalls[i].name)) {
					p = syscallbody;
					e->comment (egg, "set syscall args");
					e->syscall_args (egg, nargs);
					docall = 0;
					e->comment (egg, "syscall");
					r_egg_lang_parsechar (egg, '\n'); /* FIX parsing issue */
					if (p) {
						for (; *p; p++)
							r_egg_lang_parsechar (egg, *p);
					} else {
						char *q, *s = e->syscall (egg, nargs);
						if (s) {
							for (q=s; *q; q++)
								r_egg_lang_parsechar (egg, *q);
							free (s);
						} else eprintf ("Cannot get @syscall payload\n");
					}
					docall = 0;
					break;
				}
			}
			if (docall)
			for (i = 0; i < ninlines; i++) {
				if (!strcmp (str, inlines[i].name)) {
					p = inlines[i].body;
					docall = 0;
					e->comment (egg, "inline");
					r_egg_lang_parsechar (egg, '\n'); /* FIX parsing issue */
					for (; *p; p++)
						r_egg_lang_parsechar (egg, *p);
					docall = 0;
					break;
				}
			}
			if (docall) {
				e->comment (egg, "call in mode %d", mode);
				e->call (egg, str, 0);
			}
		}
		if (nargs > 0)
			e->restore_stack (egg, nargs*e->size);
		if (ocn) { // Used to call .var0()
			/* XXX: Probably buggy and wrong */
			*buf = 0;
			free (str);
			str = r_egg_mkvar (egg, buf, ocn, 0);
			if (*buf)
				e->get_result (egg, buf);
			//else { eprintf("external symbol %s\n", ocn); }
		}
		/* store result of call */
		if (dstvar) {
			if (mode != NAKED) {
				*buf = 0;
				free (str);
				str = r_egg_mkvar (egg, buf, dstvar, 0);
				if (*buf == 0)
					eprintf ("Cannot resolve variable '%s'\n", dstvar);
				else e->get_result (egg, buf);
			}
			R_FREE (dstvar);
		}
		rcc_reset_callname ();
	} else {
		int vs = 'l';
		char type, *eq, *ptr = elem;
		elem[elem_n] = '\0';
		ptr = (char*)skipspaces (ptr);
		if (*ptr) {
			eq = strchr (ptr, '=');
			if (eq) {
				char str2[64], *p, ch = *(eq-1);
				*eq = '\0';
				eq = (char*) skipspaces (eq+1);
				p = r_egg_mkvar (egg, str2, ptr, 0);
				vs = varsize;
				if (is_var (eq)) {
					eq = r_egg_mkvar (egg, buf, eq, 0);
					if (varxs=='*')
						e->load (egg, eq, varsize);
					else
					/* XXX this is a hack .. must be integrated with pusharg */
					if (varxs=='&')
						e->load_ptr (egg, eq);
					if (eq) {
						free (eq);
						eq = NULL;
					}
					type = ' ';
				} else type = '$';
				vs = 'l'; // XXX: add support for != 'l' size
				e->mathop (egg, ch, vs, type, eq, p);
				free(p);
			} else {
				if (!strcmp (ptr, "break")) { // handle 'break;'
					e->trap (egg);
					rcc_reset_callname ();
				} else {
					e->mathop (egg, '=', vs, '$', ptr, NULL);
				}
			}
		}
	}
	free (str);
}
Beispiel #7
0
R_API void r_egg_lang_include_init (REgg *egg) {
	r_sys_setenv (R_EGG_INCDIR_ENV, ".:"R_EGG_INCDIR_PATH);
}
Beispiel #8
0
static void parseline (char *b) {
	char *e = strchr (b, '=');
	if (!e) return;
	if (*b=='#') return;
	*e++ = 0;
	if (*e=='$') e = r_sys_getenv (e);
	if (e == NULL) return;
	if (!strcmp (b, "program")) _args[0] = _program = strdup (e);
	else if (!strcmp (b, "system")) _system = strdup (e);
	else if (!strcmp (b, "connect")) _connect = strdup (e);
	else if (!strcmp (b, "listen")) _listen = strdup (e);
	else if (!strcmp (b, "stdout")) _stdout = strdup (e);
	else if (!strcmp (b, "stdio")) {
		_stdout = _stderr = _stdin = strdup (e);
	} else if (!strcmp (b, "stdin")) _stdin = strdup (e);
	else if (!strcmp (b, "stderr")) _stderr = strdup (e);
	else if (!strcmp (b, "input")) _input = strdup (e);
	else if (!strcmp (b, "chdir")) _chgdir = strdup (e);
	else if (!strcmp (b, "chroot")) _chroot = strdup (e);
	else if (!strcmp (b, "libpath")) _libpath = strdup (e);
	else if (!strcmp (b, "preload")) _preload = strdup (e);
	else if (!strcmp (b, "r2preload")) _r2preload = \
		(strcmp (e, "yes")? (strcmp (e, "true")? (strcmp (e, "1")? 0: 1): 1): 1);
	else if (!strcmp (b, "setuid")) _setuid = strdup (e);
	else if (!strcmp (b, "seteuid")) _seteuid = strdup (e);
	else if (!strcmp (b, "setgid")) _setgid = strdup (e);
	else if (!strcmp (b, "setegid")) _setegid = strdup (e);
	else if (!memcmp (b, "arg", 3)) {
		int n = atoi (b+3);
		if (n>=0 && n<NARGS) {
			_args[n] = getstr (e);
		} else eprintf ("Out of bounds args index: %d\n", n);
	} else if (!strcmp (b, "timeout")) {
		_timeout = atoi (e);
	} else if (!strcmp (b, "envfile")) {
		char *p, buf[1024];
		FILE *fd = fopen (e, "r");
		if (!fd) {
			eprintf ("Cannot open '%s'\n", e);
			return;
		}
		for (;;) {
			fgets (buf, sizeof (buf)-1, fd);
			if (feof (fd)) break;
			p = strchr (buf, '=');
			if (p) {
				*p = 0;
				r_sys_setenv (buf, p+1);
			}
		}
		fclose (fd);
	} else if (!strcmp (b, "unsetenv")) {
		r_sys_setenv (e, NULL);
	} else if (!strcmp (b, "setenv")) {
		char *v = strchr (e, '=');
		if (v) {
			*v++ = 0;
			r_sys_setenv (e, v);
		}
	}
}
Beispiel #9
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 #10
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 #11
0
static int cmd_eval(void *data, const char *input) {
	char *p;
	RCore *core = (RCore *)data;
	switch (input[0]) {
	case 't': // env
		if (input[1] == 'a') {
			r_cons_printf ("%s\n", (r_num_rand (10) % 2)? "wen": "son");
		} else if (input[1]==' ' && input[2]) {
			RConfigNode *node = r_config_node_get (core->config, input+2);
			if (node) {
				const char *type = r_config_node_type (node);
				if (type && *type) {
					r_cons_println (type);
				}
			}
		} else {
			eprintf ("Usage: et [varname]  ; show type of eval var\n");
		}
		break;
	case 'n': // env
		if (!strchr (input, '=')) {
			char *var, *p;
			var = strchr (input, ' ');
			if (var) while (*var==' ') var++;
			p = r_sys_getenv (var);
			if (p) {
				r_cons_println (p);
				free (p);
			} else {
				char **e = r_sys_get_environ ();
				while (e && *e) {
					r_cons_println (*e);
					e++;
				}
			}
		} else if (strlen (input)>3) {
			char *v, *k = strdup (input+3);
			if (!k) break;
			v = strchr (k, '=');
			if (v) {
				*v++ = 0;
				r_sys_setenv (k, v);
			}
			free (k);
		}
		return true;
	case 'x': // exit
		// XXX we need headers for the cmd_xxx files.
		return cmd_quit (data, "");
	case 'j': // json
		r_config_list (core->config, NULL, 'j');
		break;
	case 'v': // verbose
		r_config_list (core->config, input + 1, 'v');
		break;
	case 'q': // quiet list of eval keys
		r_config_list (core->config, NULL, 'q');
		break;
	case '\0': // "e"
		r_config_list (core->config, NULL, 0);
		break;
	case 'c': // "ec"
		switch (input[1]) {
		case 'd':
			r_cons_pal_init (NULL);
			break;
		case '?': {
			const char *helpmsg[] = {
			"Usage ec[s?] [key][[=| ]fg] [bg]","","",
			"ec","","list all color keys",
			"ec*","","same as above, but using r2 commands",
			"ecd","","set default palette",
			"ecr","","set random palette (see also scr.randpal)",
			"ecs","","show a colorful palette",
			"ecj","","show palette in JSON",
			"ecc"," [prefix]","show palette in CSS",
			"eco"," dark|white","load white color scheme template",
			"ecp","","load previous color theme",
			"ecn","","load next color theme",
			"ecH","[?]","highlight word or instruction",
			"ec"," prompt red","change color of prompt",
			"ec"," prompt red blue","change color and background of prompt",
			""," ","",
			"colors:","","rgb:000, red, green, blue, ...",
			"e scr.rgbcolor","=1|0","for 256 color cube (boolean)",
			"e scr.truecolor","=1|0","for 256*256*256 colors (boolean)",
			"$DATADIR/radare2/cons","","~/.config/radare2/cons ./",
			NULL};
			r_core_cmd_help (core, helpmsg);
			}
			break;
		case 'o': // "eco"
			if (input[2] == 'j') {
				nextpal (core, 'j');
			} else if (input[2] == ' ') {
				bool failed = false;
				char *home, path[512];
				snprintf (path, sizeof (path), ".config/radare2/cons/%s", input + 3);
				home = r_str_home (path);
				snprintf (path, sizeof (path), R2_DATDIR"/radare2/"
					R2_VERSION"/cons/%s", input + 3);
				if (!load_theme (core, home)) {
					if (load_theme (core, path)) {
						//curtheme = r_str_dup (curtheme, path);
						curtheme = r_str_dup (curtheme, input + 3);
					} else {
						if (load_theme (core, input + 3)) {
							curtheme = r_str_dup (curtheme, input + 3);
						} else {
							char *absfile = r_file_abspath (input + 3);
							eprintf ("eco: cannot open colorscheme profile (%s)\n", absfile);
							free (absfile);
							failed = true;
						}
					}
				}
				free (home);
				if (failed) {
					eprintf ("Something went wrong\n");
				}
			} else if (input[2] == '?') {
				eprintf ("Usage: eco [themename]  ;load theme from "R2_DATDIR"/radare2/"R2_VERSION"/cons/\n");

			} else {
				nextpal (core, 'l');
			}
			break;
		case 's': r_cons_pal_show (); break; // "ecs"
		case '*': r_cons_pal_list (1, NULL); break; // "ec*"
		case 'h': // echo
			if (( p = strchr (input, ' ') )) {
				r_cons_strcat (p+1);
				r_cons_newline ();
			} else {
				// "ech"
				r_cons_pal_list ('h', NULL);
			}
			break;
		case 'j': // "ecj"
			r_cons_pal_list ('j', NULL);
			break;
		case 'c': // "ecc"
			r_cons_pal_list ('c', input + 2);
			break;
		case '\0': // "ec"
			r_cons_pal_list (0, NULL);
			break;
		case 'r': // "ecr"
			r_cons_pal_random ();
			break;
		case 'n': // "ecn"
			nextpal (core, 'n');
			break;
		case 'p': // "ecp"
			nextpal (core, 'p');
			break;
		case 'H': { // "ecH"
			char *color_code = NULL;
			char *word = NULL;
			int argc = 0;
			char** argv = r_str_argv (input + 4, &argc);
			switch (input[2]) {
			case '?': {
				const char *helpmsg[] = {
					"Usage ecH[iw-?]","","",
					"ecHi","[color]","highlight current instruction with 'color' background",
					"ecHw","[word] [color]","highlight 'word ' in current instruction with 'color' background",
					"ecH-","","remove all highlights on current instruction",
					NULL
				};
				r_core_cmd_help (core, helpmsg);
				}
				break;
			case '-':
				r_meta_set_string (core->anal, R_META_TYPE_HIGHLIGHT, core->offset, "");
				return false;
			case '\0':
			case 'i': // "ecHi
				if (argc) {
					char *dup = r_str_newf ("bgonly %s", argv[0]);
					color_code = r_cons_pal_parse (dup);
					R_FREE (dup);
				}
				break;
			case 'w': // "ecHw"
				if (!argc) {
					eprintf ("Usage: echw word [color]\n");
					r_str_argv_free (argv);
					return true;
				}
				word = strdup (argv[0]);
				if (argc > 1) {
					char *dup = r_str_newf ("bgonly %s", argv[1]);
					color_code = r_cons_pal_parse (dup);
					if (!color_code) {
						eprintf ("Unknown color %s\n", argv[1]);
						r_str_argv_free (argv);
						free (dup);
						free (word);
						return true;
					}
					R_FREE (dup);
				}
				break;
			default:
				eprintf ("See ecH?\n");
				r_str_argv_free (argv);
				return true;
			}
			char *str = r_meta_get_string (core->anal, R_META_TYPE_HIGHLIGHT, core->offset);
			char *dup = r_str_newf ("%s \"%s%s\"", str?str:"", word?word:"", color_code?color_code:r_cons_pal_get ("highlight"));
			r_meta_set_string (core->anal, R_META_TYPE_HIGHLIGHT, core->offset, dup);
			r_str_argv_free (argv);
			R_FREE (word);
			R_FREE (dup);
			break;
		}
		default: {
			char *p = strdup (input + 2);
			char *q = strchr (p, '=');
			if (!q) {
				q = strchr (p, ' ');
			}
			if (q) {
				// set
				*q++ = 0;
				r_cons_pal_set (p, q);
			} else {
				const char *k = r_cons_pal_get (p);
				if (k) {
					eprintf ("(%s)(%sCOLOR"Color_RESET")\n", p, k);
				}
			}
			free (p);
		}
		}
		break;
	case 'e':
		if (input[1] == ' ') {
			char *p;
			const char *val, *input2 = strchr (input+2, ' ');
			if (input2) input2++; else input2 = input+2;
			val = r_config_get (core->config, input2);
			p = r_core_editor (core, NULL, val);
			if (p) {
				r_str_replace_char (p, '\n', ';');
				r_config_set (core->config, input2, p);
			}
		} else {
			eprintf ("Usage: ee varname\n");
		}
		break;
	case '!':
		input = r_str_chop_ro (input+1);
		if (!r_config_toggle (core->config, input))
			eprintf ("r_config: '%s' is not a boolean variable.\n", input);
		break;
	case 's':
		r_config_list (core->config, (input[1])? input + 1: NULL, 's');
		break;
	case '-':
		r_core_config_init (core);
		//eprintf ("BUG: 'e-' command locks the eval hashtable. patches are welcome :)\n");
		break;
	case '*': r_config_list (core->config, NULL, 1); break;
	case '?':
		switch (input[1]) {
		case '?': r_config_list (core->config, input+2, 2); break;
		default: r_config_list (core->config, input+1, 2); break;
		case 0:
			r_core_cmd_help (core, help_msg_e);
		}
		break;
	case 'r':
		if (input[1]) {
			const char *key = input+((input[1]==' ')?2:1);
			if (!r_config_readonly (core->config, key)) {
				eprintf ("cannot find key '%s'\n", key);
			}
		} else {
			eprintf ("Usage: er [key]\n");
		}
		break;
	case ' ': r_config_eval (core->config, input+1); break;
	default: r_config_eval (core->config, input); break;
	}
	return 0;
}
Beispiel #12
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 #13
0
R_API bool r_run_parseline(RRunProfile *p, char *b) {
	int must_free = false;
	char *e = strchr (b, '=');
	if (!e || *b == '#') {
		return 0;
	}
	*e++ = 0;
	if (*e=='$') {
		must_free = true;
		e = r_sys_getenv (e);
	}
	if (!e) {
		return 0;
	}
	if (!strcmp (b, "program")) {
		p->_args[0] = p->_program = strdup (e);
	} else if (!strcmp (b, "system")) {
		p->_system = strdup (e);
	} else if (!strcmp (b, "runlib")) {
		p->_runlib = strdup (e);
	} else if (!strcmp (b, "runlib.fcn")) {
		p->_runlib_fcn = strdup (e);
	} else if (!strcmp (b, "aslr")) {
		p->_aslr = parseBool (e);
	} else if (!strcmp (b, "pid")) {
		p->_pid = atoi (e);
	} else if (!strcmp (b, "pidfile")) {
		p->_pidfile = strdup (e);
	} else if (!strcmp (b, "connect")) {
		p->_connect = strdup (e);
	} else if (!strcmp (b, "listen")) {
		p->_listen = strdup (e);
	} else if (!strcmp (b, "pty")) {
		p->_pty = parseBool (e);
	} else if (!strcmp (b, "stdio")) {
		if (e[0] == '!') {
			p->_stdio = strdup (e);
		} else {
			p->_stdout = strdup (e);
			p->_stderr = strdup (e);
			p->_stdin = strdup (e);
		}
	} else if (!strcmp (b, "stdout")) {
		p->_stdout = strdup (e);
	} else if (!strcmp (b, "stdin")) {
		p->_stdin = strdup (e);
	} else if (!strcmp (b, "stderr")) {
		p->_stderr = strdup (e);
	} else if (!strcmp (b, "input")) {
		p->_input = strdup (e);
	} else if (!strcmp (b, "chdir")) {
		p->_chgdir = strdup (e);
	} else if (!strcmp (b, "core")) {
		p->_docore = parseBool (e);
	} else if (!strcmp (b, "fork")) {
		p->_dofork = parseBool (e);
	} else if (!strcmp (b, "sleep")) {
		p->_r2sleep = atoi (e);
	} else if (!strcmp (b, "maxstack")) {
		p->_maxstack = atoi (e);
	} else if (!strcmp (b, "maxproc")) {
		p->_maxproc = atoi (e);
	} else if (!strcmp (b, "maxfd")) {
		p->_maxfd = atoi (e);
	} else if (!strcmp (b, "bits")) {
		p->_bits = atoi (e);
	} else if (!strcmp (b, "chroot")) {
		p->_chroot = strdup (e);
	} else if (!strcmp (b, "libpath")) {
		p->_libpath = strdup (e);
	} else if (!strcmp (b, "preload")) {
		p->_preload = strdup (e);
	} else if (!strcmp (b, "r2preload")) {
		p->_r2preload = parseBool (e);
	} else if (!strcmp (b, "r2preweb")) {
		r_sys_setenv ("RARUN2_WEB", "yes");
	} else if (!strcmp (b, "setuid")) {
		p->_setuid = strdup (e);
	} else if (!strcmp (b, "seteuid")) {
		p->_seteuid = strdup (e);
	} else if (!strcmp (b, "setgid")) {
		p->_setgid = strdup (e);
	} else if (!strcmp (b, "setegid")) {
		p->_setegid = strdup (e);
	} else if (!strcmp (b, "nice")) {
		p->_nice = atoi (e);
	} else if (!strcmp (b, "timeout")) {
		p->_timeout = atoi (e);
	} else if (!strcmp (b, "timeoutsig")) {
		p->_timeout_sig = r_signal_from_string (e);
	} else if (!memcmp (b, "arg", 3)) {
		int n = atoi (b + 3);
		if (n >= 0 && n < R_RUN_PROFILE_NARGS) {
			p->_args[n] = getstr (e);
			p->_argc++;
		} else {
			eprintf ("Out of bounds args index: %d\n", n);
		}
	} else if (!strcmp (b, "envfile")) {
		char *p, buf[1024];
		size_t len;
		FILE *fd = fopen (e, "r");
		if (!fd) {
			eprintf ("Cannot open '%s'\n", e);
			if (must_free == true) {
				free (e);
			}
			return false;
		}
		for (;;) {
			if (!fgets (buf, sizeof (buf) - 1, fd)) {
				break;
			}
			if (feof (fd)) {
				break;
			}
			p = strchr (buf, '=');
			if (p) {
				*p++ = 0;
				len = strlen(p);
				if (p[len - 1] == '\n') {
					p[len - 1] = 0;
				}
				if (p[len - 2] == '\r') {
					p[len - 2] = 0;
				}
				r_sys_setenv (buf, p);
			}
		}
		fclose (fd);
	} else if (!strcmp (b, "unsetenv")) {
		r_sys_setenv (e, NULL);
	} else if (!strcmp (b, "setenv")) {
		char *V, *v = strchr (e, '=');
		if (v) {
			*v++ = 0;
			V = getstr (v);
			r_sys_setenv (e, V);
			free (V);
		}
	} else if (!strcmp(b, "clearenv")) {
		r_sys_clearenv ();
	}
	if (must_free == true) {
		free (e);
	}
	return true;
}
Beispiel #14
0
static int lang_vala_file(RLang *lang, const char *file, bool silent) {
	void *lib;
	char *p, name[512], buf[512];
	char *vapidir, *srcdir, *libname;

	if (strlen (file)>500)
		return false;
	if (!strstr (file, ".vala"))
		sprintf (name, "%s.vala", file);
	else strcpy (name, file);
	if (!r_file_exists (name)) {
		eprintf ("file not found (%s)\n", name);
		return false;
	}

	srcdir = strdup (file);
	p = (char*)r_str_lchr (srcdir, '/');
	if (p) {
		*p = 0;
		libname = strdup (p+1);
		if (*file!='/') {
			strcpy (srcdir, ".");
		}
	} else {
		libname = strdup (file);
		strcpy (srcdir, ".");
	}
	r_sys_setenv ("PKG_CONFIG_PATH", R2_LIBDIR"/pkgconfig");
	vapidir = r_sys_getenv ("VAPIDIR");
	char *tail = silent?  " > /dev/null 2>&1": "";
	if (vapidir) {
		if (*vapidir) {
			snprintf (buf, sizeof (buf)-1, "valac -d %s --vapidir=%s --pkg r_core -C %s %s",
				srcdir, vapidir, name, tail);
		}
		free (vapidir);
	} else {
		snprintf (buf, sizeof (buf) - 1, "valac -d %s --pkg r_core -C %s %s", srcdir, name, tail);
	}
	free (srcdir);
	if (r_sandbox_system (buf, 1) != 0) {
		free (libname);
		return false;
	}
	p = strstr (name, ".vala"); if (p) *p=0;
	p = strstr (name, ".gs"); if (p) *p=0;
	// TODO: use CC environ if possible
	snprintf (buf, sizeof (buf), "gcc -fPIC -shared %s.c -o lib%s."R_LIB_EXT
		" $(pkg-config --cflags --libs r_core gobject-2.0)", name, libname);
	if (r_sandbox_system (buf, 1) != 0) {
		free (libname);
		return false;
	}

	snprintf (buf, sizeof (buf), "./lib%s."R_LIB_EXT, libname);
	free (libname);
	lib = r_lib_dl_open (buf);
	if (lib != NULL) {
		void (*fcn)(RCore *);
		fcn = r_lib_dl_sym (lib, "entry");
		if (fcn) fcn (lang->user);
		else eprintf ("Cannot find 'entry' symbol in library\n");
		r_lib_dl_close (lib);
	} else eprintf ("Cannot open library\n");
	r_file_rm (buf); // remove lib
	sprintf (buf, "%s.c", name); // remove .c
	r_file_rm (buf);
	return 0;
}
Beispiel #15
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 #16
0
R_API int r_run_parseline (RRunProfile *p, char *b) {
	int must_free = R_FALSE;
	char *e = strchr (b, '=');
	if (!e) return 0;
	if (*b=='#') return 0;
	*e++ = 0;
	if (*e=='$') {
		must_free = R_TRUE;
		e = r_sys_getenv (e);
	}
	if (e == NULL) return 0;
	if (!strcmp (b, "program")) p->_args[0] = p->_program = strdup (e);
	else if (!strcmp (b, "system")) p->_system = strdup (e);
	else if (!strcmp (b, "aslr")) p->_aslr = parseBool (e);
	else if (!strcmp (b, "pid")) p->_pid = atoi (e);
	else if (!strcmp (b, "pidfile")) p->_pidfile = strdup (e);
	else if (!strcmp (b, "connect")) p->_connect = strdup (e);
	else if (!strcmp (b, "listen")) p->_listen = strdup (e);
	else if (!strcmp (b, "stdout")) p->_stdout = strdup (e);
	else if (!strcmp (b, "stdio")) {
		p->_stdout = p->_stderr = p->_stdin = strdup (e);
	} else if (!strcmp (b, "stdin")) p->_stdin = strdup (e);
	else if (!strcmp (b, "stderr")) p->_stderr = strdup (e);
	else if (!strcmp (b, "input")) p->_input = strdup (e);
	else if (!strcmp (b, "chdir")) p->_chgdir = strdup (e);
	else if (!strcmp (b, "core")) p->_docore = parseBool (e);
	else if (!strcmp (b, "sleep")) p->_r2sleep = atoi (e);
	else if (!strcmp (b, "maxstack")) p->_maxstack = atoi (e);
	else if (!strcmp (b, "maxproc")) p->_maxproc = atoi (e);
	else if (!strcmp (b, "maxfd")) p->_maxfd = atoi (e);
	else if (!strcmp (b, "bits")) p->_bits = atoi (e);
	else if (!strcmp (b, "chroot")) p->_chroot = strdup (e);
	else if (!strcmp (b, "libpath")) p->_libpath = strdup (e);
	else if (!strcmp (b, "preload")) p->_preload = strdup (e);
	else if (!strcmp (b, "r2preload")) p->_r2preload = parseBool (e);
	else if (!strcmp (b, "setuid")) p->_setuid = strdup (e);
	else if (!strcmp (b, "seteuid")) p->_seteuid = strdup (e);
	else if (!strcmp (b, "setgid")) p->_setgid = strdup (e);
	else if (!strcmp (b, "setegid")) p->_setegid = strdup (e);
	else if (!strcmp (b, "nice")) p->_nice = atoi (e);
	else if (!memcmp (b, "arg", 3)) {
		int n = atoi (b+3);
		if (n>=0 && n<R_RUN_PROFILE_NARGS) {
			p->_args[n] = getstr (e);
		} else eprintf ("Out of bounds args index: %d\n", n);
	} else if (!strcmp (b, "timeout")) {
		p->_timeout = atoi (e);
	} else if (!strcmp (b, "envfile")) {
		char *p, buf[1024];
		FILE *fd = fopen (e, "r");
		if (!fd) {
			eprintf ("Cannot open '%s'\n", e);
			if (must_free == R_TRUE)
				free (e);
			return 0;
		}
		for (;;) {
			fgets (buf, sizeof (buf)-1, fd);
			if (feof (fd)) break;
			p = strchr (buf, '=');
			if (p) {
				*p = 0;
				r_sys_setenv (buf, p+1);
			}
		}
		fclose (fd);
	} else if (!strcmp (b, "unsetenv")) {
		r_sys_setenv (e, NULL);
	} else if (!strcmp (b, "setenv")) {
		char *v = strchr (e, '=');
		if (v) {
			*v++ = 0;
			r_sys_setenv (e, v);
		}
	}
	if (must_free == R_TRUE)
		free (e);
	return 1;
}
Beispiel #17
0
static void env(const char *s, int f) {
        char *a = r_str_newf ("%d", f);
        r_sys_setenv (s, a);
        free (a);
}
Beispiel #18
0
static int cmd_eval(void *data, const char *input) {
	RCore *core = (RCore *)data;
	switch (input[0]) {
	case '\0': // "e"
		r_config_list (core->config, NULL, 0);
		break;
	case '?': // "e?"
	default:
		switch (input[1]) {
		case '\0': r_core_cmd_help (core, help_msg_e); break;
		case '?': r_config_list (core->config, input + 2, 2); break;
		default: r_config_list (core->config, input + 1, 2); break;
		}
		break;
	case 't': // "et"
		if (input[1] == 'a') {
			r_cons_printf ("%s\n", (r_num_rand (10) % 2)? "wen": "son");
		} else if (input[1]==' ' && input[2]) {
			RConfigNode *node = r_config_node_get (core->config, input+2);
			if (node) {
				const char *type = r_config_node_type (node);
				if (type && *type) {
					r_cons_println (type);
				}
			}
		} else {
			eprintf ("Usage: et [varname]  ; show type of eval var\n");
		}
		break;
	case 'n': // "en"
		if (!strchr (input, '=')) {
			char *var, *p;
			var = strchr (input, ' ');
			if (var) while (*var==' ') var++;
			p = r_sys_getenv (var);
			if (p) {
				r_cons_println (p);
				free (p);
			} else {
				char **e = r_sys_get_environ ();
				while (e && *e) {
					r_cons_println (*e);
					e++;
				}
			}
		} else if (strlen (input)>3) {
			char *v, *k = strdup (input+3);
			if (!k) break;
			v = strchr (k, '=');
			if (v) {
				*v++ = 0;
				r_sys_setenv (k, v);
			}
			free (k);
		}
		return true;
	case 'x': // exit
		// XXX we need headers for the cmd_xxx files.
		return cmd_quit (data, "");
	case 'j': // json
		r_config_list (core->config, NULL, 'j');
		break;
	case 'v': // verbose
		r_config_list (core->config, input + 1, 'v');
		break;
	case 'q': // quiet list of eval keys
		r_config_list (core->config, NULL, 'q');
		break;
	case 'c': // "ec"
		switch (input[1]) {
		case 'd': // "ecd"
			r_cons_pal_init (core->cons->context);
			break;
		case '?':
			r_core_cmd_help (core, help_msg_ec);
			break;
		case 'o': // "eco"
			if (input[2] == 'j') {
				nextpal (core, 'j');
			} else if (input[2] == ' ') {
				cmd_load_theme (core, input + 3);
			} else if (input[2] == 'o') {
				cmd_load_theme (core, r_core_get_theme ());
			} else if (input[2] == 'c' || input[2] == '.') {
				r_cons_printf ("%s\n", r_core_get_theme ());
			} else if (input[2] == '?') {
				r_core_cmd_help (core, help_msg_eco);
			} else if (input[2] == 'q') {
				RList *themes_list = r_core_list_themes (core);
				RListIter *th_iter;
				const char *th;
				r_list_foreach (themes_list, th_iter, th) {
					r_cons_printf ("%s\n", th);
				}
			} else {