Exemplo n.º 1
0
Arquivo: logger.c Projeto: alisw/uuid
/*
 * logger -- read and log utility
 *
 *	Reads from an input and arranges to write the result on the system
 *	log.
 */
int main(int argc, char **argv)
{
	struct logger_ctl ctl = {
		.fd = -1,
		.pid = 0,
		.pri = LOG_USER | LOG_NOTICE,
		.prio_prefix = 0,
		.tag = NULL,
		.unix_socket = NULL,
		.unix_socket_errors = 0,
		.server = NULL,
		.port = NULL,
		.hdr = NULL,
		.msgid = NULL,
		.socket_type = ALL_TYPES,
		.max_message_size = 1024,
		.rfc5424_time = 1,
		.rfc5424_tq = 1,
		.rfc5424_host = 1,
		.skip_empty_lines = 0
	};
	int ch;
	int stdout_reopened = 0;
	int unix_socket_errors_mode = AF_UNIX_ERRORS_AUTO;
#ifdef HAVE_LIBSYSTEMD
	FILE *jfd = NULL;
#endif
	static const struct option longopts[] = {
		{ "id",		   optional_argument, 0, OPT_ID		   },
		{ "stderr",	   no_argument,	      0, 's'		   },
		{ "file",	   required_argument, 0, 'f'		   },
		{ "no-act",        no_argument,       0, OPT_NOACT,	   },
		{ "priority",	   required_argument, 0, 'p'		   },
		{ "tag",	   required_argument, 0, 't'		   },
		{ "socket",	   required_argument, 0, 'u'		   },
		{ "socket-errors", required_argument, 0, OPT_SOCKET_ERRORS },
		{ "udp",	   no_argument,	      0, 'd'		   },
		{ "tcp",	   no_argument,	      0, 'T'		   },
		{ "server",	   required_argument, 0, 'n'		   },
		{ "port",	   required_argument, 0, 'P'		   },
		{ "version",	   no_argument,	      0, 'V'		   },
		{ "help",	   no_argument,	      0, 'h'		   },
		{ "octet-count",   no_argument,	      0, OPT_OCTET_COUNT   },
		{ "prio-prefix",   no_argument,	      0, OPT_PRIO_PREFIX   },
		{ "rfc3164",	   no_argument,	      0, OPT_RFC3164	   },
		{ "rfc5424",	   optional_argument, 0, OPT_RFC5424	   },
		{ "size",	   required_argument, 0, 'S'		   },
		{ "msgid",	   required_argument, 0, OPT_MSGID	   },
		{ "skip-empty",	   no_argument,	      0, 'e'		   },
#ifdef HAVE_LIBSYSTEMD
		{ "journald",	   optional_argument, 0, OPT_JOURNALD	   },
#endif
		{ NULL,		   0,		      0, 0		   }
	};

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	while ((ch = getopt_long(argc, argv, "ef:ip:S:st:u:dTn:P:Vh",
					    longopts, NULL)) != -1) {
		switch (ch) {
		case 'f':		/* file to log */
			if (freopen(optarg, "r", stdin) == NULL)
				err(EXIT_FAILURE, _("file %s"), optarg);
			stdout_reopened = 1;
			break;
		case 'e':
			ctl.skip_empty_lines = 1;
			break;
		case 'i':		/* log process id also */
			ctl.pid = logger_getpid();
			break;
		case OPT_ID:
			if (optarg) {
				const char *p = optarg;

				if (*p == '=')
					p++;
				ctl.pid = strtoul_or_err(optarg, _("failed to parse id"));
			} else
				ctl.pid = logger_getpid();
			break;
		case 'p':		/* priority */
			ctl.pri = pencode(optarg);
			break;
		case 's':		/* log to standard error */
			ctl.stderr_printout = 1;
			break;
		case 't':		/* tag */
			ctl.tag = optarg;
			break;
		case 'u':		/* unix socket */
			ctl.unix_socket = optarg;
			break;
		case 'S':		/* max message size */
			ctl.max_message_size = strtosize_or_err(optarg,
				_("failed to parse message size"));
			break;
		case 'd':
			ctl.socket_type = TYPE_UDP;
			break;
		case 'T':
			ctl.socket_type = TYPE_TCP;
			break;
		case 'n':
			ctl.server = optarg;
			break;
		case 'P':
			ctl.port = optarg;
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			exit(EXIT_SUCCESS);
		case 'h':
			usage(stdout);
		case OPT_OCTET_COUNT:
			ctl.octet_count = 1;
			break;
		case OPT_PRIO_PREFIX:
			ctl.prio_prefix = 1;
			break;
		case OPT_RFC3164:
			ctl.syslogfp = syslog_rfc3164_header;
			break;
		case OPT_RFC5424:
			ctl.syslogfp = syslog_rfc5424_header;
			if (optarg)
				parse_rfc5424_flags(&ctl, optarg);
			break;
		case OPT_MSGID:
			if (strchr(optarg, ' '))
				errx(EXIT_FAILURE, _("--msgid cannot contain space"));
			ctl.msgid = optarg;
			break;
#ifdef HAVE_LIBSYSTEMD
		case OPT_JOURNALD:
			if (optarg) {
				jfd = fopen(optarg, "r");
				if (!jfd)
					err(EXIT_FAILURE, _("cannot open %s"),
					    optarg);
			} else
				jfd = stdin;
			break;
#endif
		case OPT_SOCKET_ERRORS:
			unix_socket_errors_mode = parse_unix_socket_errors_flags(optarg);
			break;
		case OPT_NOACT:
			ctl.noact = 1;
			break;
		case '?':
		default:
			usage(stderr);
		}
	}
	argc -= optind;
	argv += optind;
	if (stdout_reopened && argc)
		warnx(_("--file <file> and <message> are mutually exclusive, message is ignored"));
#ifdef HAVE_LIBSYSTEMD
	if (jfd) {
		int ret = journald_entry(&ctl, jfd);
		if (stdin != jfd)
			fclose(jfd);
		if (ret)
			errx(EXIT_FAILURE, _("journald entry could not be written"));
		return EXIT_SUCCESS;
	}
#endif
	switch (unix_socket_errors_mode) {
	case AF_UNIX_ERRORS_OFF:
		ctl.unix_socket_errors = 0;
		break;
	case AF_UNIX_ERRORS_ON:
		ctl.unix_socket_errors = 1;
		break;
	case AF_UNIX_ERRORS_AUTO:
		ctl.unix_socket_errors = ctl.noact || ctl.stderr_printout;
#ifdef HAVE_LIBSYSTEMD
		ctl.unix_socket_errors |= !!sd_booted();
#endif
		break;
	default:
		abort();
	}
	logger_open(&ctl);
	if (0 < argc)
		logger_command_line(&ctl, argv);
	else
		/* Note. --file <arg> reopens stdin making the below
		 * function to be used for file inputs. */
		logger_stdin(&ctl);
	logger_close(&ctl);
	return EXIT_SUCCESS;
}
Exemplo n.º 2
0
int
main(int argc, char **argv)
{
	struct wipe_desc *wp0 = NULL, *wp;
	int c, all = 0, has_offset = 0, noact = 0, quiet = 0;
	int mode = WP_MODE_PRETTY;

	static const struct option longopts[] = {
	    { "all",       0, 0, 'a' },
	    { "help",      0, 0, 'h' },
	    { "no-act",    0, 0, 'n' },
	    { "offset",    1, 0, 'o' },
	    { "parsable",  0, 0, 'p' },
	    { "quiet",     0, 0, 'q' },
	    { "types",     1, 0, 't' },
	    { "version",   0, 0, 'V' },
	    { NULL,        0, 0, 0 }
	};

	static const ul_excl_t excl[] = {       /* rows and cols in in ASCII order */
		{ 'a','o' },
		{ 0 }
	};
	int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	while ((c = getopt_long(argc, argv, "ahno:pqt:V", longopts, NULL)) != -1) {

		err_exclusive_options(c, longopts, excl, excl_st);

		switch(c) {
		case 'a':
			all++;
			break;
		case 'h':
			usage(stdout);
			break;
		case 'n':
			noact++;
			break;
		case 'o':
			wp0 = add_offset(wp0, strtosize_or_err(optarg,
					 _("invalid offset argument")), 1);
			has_offset++;
			break;
		case 'p':
			mode = WP_MODE_PARSABLE;
			break;
		case 'q':
			quiet++;
			break;
		case 't':
			type_pattern = optarg;
			break;
		case 'V':
			printf(_("%s from %s\n"), program_invocation_short_name,
				PACKAGE_STRING);
			return EXIT_SUCCESS;
		default:
			usage(stderr);
			break;
		}
	}

	if (optind == argc)
		usage(stderr);

	if (!all && !has_offset) {
		/*
		 * Print only
		 */
		while (optind < argc) {
			wp0 = read_offsets(NULL, argv[optind++]);
			if (wp0)
				print_all(wp0, mode);
			free_wipe(wp0);
		}
	} else {
		/*
		 * Erase
		 */
		while (optind < argc) {
			wp = clone_offset(wp0);
			wp = do_wipe(wp, argv[optind++], noact, all, quiet);
			free_wipe(wp);
		}
	}

	return EXIT_SUCCESS;
}
Exemplo n.º 3
0
int main(int argc, char **argv)
{
	int permission = 0644;
	int opt;
	size_t size = 0;
	int nsems = 0;
	int ask_shm = 0, ask_msg = 0, ask_sem = 0;
	static const struct option longopts[] = {
		{"shmem", required_argument, NULL, 'M'},
		{"semaphore", required_argument, NULL, 'S'},
		{"queue", no_argument, NULL, 'Q'},
		{"mode", required_argument, NULL, 'p'},
		{"version", no_argument, NULL, 'V'},
		{"help", no_argument, NULL, 'h'},
		{NULL, 0, NULL, 0}
	};

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	while((opt = getopt_long(argc, argv, "hM:QS:p:Vh", longopts, NULL)) != -1) {
		switch(opt) {
		case 'M':
			size = strtosize_or_err(optarg, _("failed to parse size"));
			ask_shm = 1;
			break;
		case 'Q':
			ask_msg = 1;
			break;
		case 'S':
			nsems = strtos32_or_err(optarg, _("failed to parse elements"));
			ask_sem = 1;
			break;
		case 'p':
			permission = strtoul(optarg, NULL, 8);
			break;
		case 'h':
			usage(stdout);
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		default:
			errtryhelp(EXIT_FAILURE);
		}
	}

	if(!ask_shm && !ask_msg && !ask_sem)
		usage(stderr);

	if (ask_shm) {
		int shmid;
		if (-1 == (shmid = create_shm(size, permission)))
			err(EXIT_FAILURE, _("create share memory failed"));
		else
			printf(_("Shared memory id: %d\n"), shmid);
	}

	if (ask_msg) {
		int msgid;
		if (-1 == (msgid = create_msg(permission)))
			err(EXIT_FAILURE, _("create message queue failed"));
		else
			printf(_("Message queue id: %d\n"), msgid);
	}

	if (ask_sem) {
		int semid;
		if (-1 == (semid = create_sem(nsems, permission)))
			err(EXIT_FAILURE, _("create semaphore failed"));
		else
			printf(_("Semaphore id: %d\n"), semid);
	}

	return EXIT_SUCCESS;
}
Exemplo n.º 4
0
int main(int argc, char **argv)
{
	struct loopdev_cxt lc;
	int act = 0, flags = 0, passfd = -1, c;
	char *file = NULL, *encryption = NULL;
	uint64_t offset = 0, sizelimit = 0;
	int res = 0, showdev = 0, lo_flags = 0;

	enum {
		OPT_SIZELIMIT = CHAR_MAX + 1,
		OPT_SHOW
	};
	static const struct option longopts[] = {
		{ "all", 0, 0, 'a' },
		{ "set-capacity", 1, 0, 'c' },
		{ "detach", 1, 0, 'd' },
		{ "detach-all", 0, 0, 'D' },
		{ "encryption", 1, 0, 'e' },
		{ "find", 0, 0, 'f' },
		{ "help", 0, 0, 'h' },
		{ "associated", 1, 0, 'j' },
		{ "offset", 1, 0, 'o' },
		{ "sizelimit", 1, 0, OPT_SIZELIMIT },
		{ "pass-fd", 1, 0, 'p' },
		{ "partscan", 0, 0, 'P' },
		{ "read-only", 0, 0, 'r' },
	        { "show", 0, 0, OPT_SHOW },
		{ "verbose", 0, 0, 'v' },
		{ "version", 0, 0, 'V' },
		{ NULL, 0, 0, 0 }
	};

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	loopcxt_init(&lc, 0);
	loopcxt_enable_debug(&lc, getenv("LOOPDEV_DEBUG") ? TRUE : FALSE);

	while ((c = getopt_long(argc, argv, "ac:d:De:E:fhj:o:p:PrvV",
				longopts, NULL)) != -1) {

		if (act && strchr("acdDfj", c))
			errx(EXIT_FAILURE,
				_("the options %s are mutually exclusive"),
				"--{all,associated,set-capacity,detach,detach-all,find}");

		switch (c) {
		case 'a':
			act = A_SHOW;
			break;
		case 'c':
			act = A_SET_CAPACITY;
			loopcxt_set_device(&lc, optarg);
			break;
		case 'r':
			lo_flags |= LO_FLAGS_READ_ONLY;
			break;
		case 'd':
			act = A_DELETE;
			loopcxt_set_device(&lc, optarg);
			break;
		case 'D':
			act = A_DELETE_ALL;
			break;
		case 'E':
		case 'e':
			encryption = optarg;
			break;
		case 'f':
			act = A_FIND_FREE;
			break;
		case 'h':
			usage(stdout);
			break;
		case 'j':
			act = A_SHOW;
			file = optarg;
			break;
		case 'o':
			offset = strtosize_or_err(optarg, _("failed to parse offset"));
			flags |= LOOPDEV_FL_OFFSET;
			break;
		case 'p':
			passfd = strtou32_or_err(optarg,
					_("invalid passphrase file descriptor"));
			break;
		case 'P':
			lo_flags |= LO_FLAGS_PARTSCAN;
			break;
		case OPT_SHOW:
			showdev = 1;
			break;
		case 'v':
			verbose = 1;
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		case OPT_SIZELIMIT:			/* --sizelimit */
			sizelimit = strtosize_or_err(optarg, _("failed to parse size"));
			flags |= LOOPDEV_FL_SIZELIMIT;
                        break;
		default:
			usage(stderr);
		}
	}

	if (argc == 1)
		usage(stderr);

	if (act == A_FIND_FREE && optind < argc) {
		/*
		 * losetup -f <backing_file>
		 */
		act = A_CREATE;
		file = argv[optind++];
	}
	if (!act && optind + 1 == argc) {
		/*
		 * losetup <device>
		 */
		act = A_SHOW_ONE;
		loopcxt_set_device(&lc, argv[optind++]);
	}
	if (!act) {
		/*
		 * losetup <loopdev> <backing_file>
		 */
		act = A_CREATE;

		if (optind >= argc)
			errx(EXIT_FAILURE, _("no loop device specified"));
		loopcxt_set_device(&lc, argv[optind++]);

		if (optind >= argc)
			errx(EXIT_FAILURE, _("no file specified"));
		file = argv[optind++];
	}

	if (act != A_CREATE &&
	    (encryption || sizelimit || passfd != -1 || lo_flags || showdev))
		errx(EXIT_FAILURE,
			_("the options %s are allowed to loop device setup only"),
			"--{encryption,sizelimit,pass-fd,read-only,show}");

	if ((flags & LOOPDEV_FL_OFFSET) &&
	    act != A_CREATE && (act != A_SHOW || !file))
		errx(EXIT_FAILURE, _("the option --offset is not allowed in this context."));

	switch (act) {
	case A_CREATE:
	{
		char *pass = NULL;
		int hasdev = loopcxt_has_device(&lc);

		if (encryption) {
#ifdef MCL_FUTURE
			if(mlockall(MCL_CURRENT | MCL_FUTURE))
				err(EXIT_FAILURE, _("couldn't lock into memory"));
#endif
			pass = xgetpass(passfd, _("Password: "******"not found unused device"));
				break;
			}
			if (encryption && pass)
				loopcxt_set_encryption(&lc, encryption, pass);
			if (flags & LOOPDEV_FL_OFFSET)
				loopcxt_set_offset(&lc, offset);
			if (flags & LOOPDEV_FL_SIZELIMIT)
				loopcxt_set_sizelimit(&lc, sizelimit);
			if (lo_flags)
				loopcxt_set_flags(&lc, lo_flags);
			if ((res = loopcxt_set_backing_file(&lc, file))) {
				warn(_("%s: failed to use backing file"), file);
				break;
			}
			errno = 0;
			res = loopcxt_setup_device(&lc);
			if (res == 0)
				break;			/* success */
			if (errno != EBUSY) {
				warn(_("%s: failed to setup loop device"),
					hasdev && loopcxt_get_fd(&lc) < 0 ?
					    loopcxt_get_device(&lc) : file);
				break;
			}
		} while (hasdev == 0);

		free(pass);

		if (showdev && res == 0)
			printf("%s\n", loopcxt_get_device(&lc));
		break;
	}
	case A_DELETE:
		res = delete_loop(&lc);
		while (optind < argc) {
			loopcxt_set_device(&lc, argv[optind++]);
			res += delete_loop(&lc);
		}
		break;
	case A_DELETE_ALL:
		res = delete_all_loops(&lc);
		break;
	case A_FIND_FREE:
		if (loopcxt_find_unused(&lc))
			warn(_("find unused loop device failed"));
		else
			printf("%s\n", loopcxt_get_device(&lc));
		break;
	case A_SHOW:
		res = show_all_loops(&lc, file, offset, flags);
		break;
	case A_SHOW_ONE:
		res = printf_loopdev(&lc);
		if (res)
			warn(_("%s"), loopcxt_get_device(&lc));
		break;
	case A_SET_CAPACITY:
		res = set_capacity(&lc);
		break;
	default:
		usage(stderr);
		break;
	}

	loopcxt_deinit(&lc);
	return res ? EXIT_FAILURE : EXIT_SUCCESS;
}
Exemplo n.º 5
0
int main(int argc, char **argv)
{
	blkid_cache cache = NULL;
	char **devices = NULL;
	char *show[128] = { NULL, };
	char *search_type = NULL, *search_value = NULL;
	char *read = NULL;
	int fltr_usage = 0;
	char **fltr_type = NULL;
	int fltr_flag = BLKID_FLTR_ONLYIN;
	unsigned int numdev = 0, numtag = 0;
	int version = 0;
	int err = BLKID_EXIT_OTHER;
	unsigned int i;
	int output_format = 0;
	int lookup = 0, gc = 0, lowprobe = 0, eval = 0;
	int c;
	uintmax_t offset = 0, size = 0;

	enum {
		EXCL_NONE,
		EXCL_NAMES,
		EXCL_USAGE
	};
	int excl_opt = EXCL_NONE;

	show[0] = NULL;
	atexit(close_stdout);

	while ((c = getopt (argc, argv, "c:df:ghilL:n:ko:O:ps:S:t:u:U:w:v")) != EOF)
		switch (c) {
		case 'c':
			if (optarg && !*optarg)
				read = NULL;
			else
				read = optarg;
			break;
		case 'd':
			raw_chars = 1;
			break;
		case 'L':
			eval++;
			search_value = strdup(optarg);
			search_type = strdup("LABEL");
			break;
		case 'n':
			exclusive_option(&excl_opt, EXCL_NAMES, "-{u,n}");
			fltr_type = list_to_types(optarg, &fltr_flag);
			break;
		case 'u':
			exclusive_option(&excl_opt, EXCL_USAGE, "-{u,n}");
			fltr_usage = list_to_usage(optarg, &fltr_flag);
			break;
		case 'U':
			eval++;
			search_value = strdup(optarg);
			search_type = strdup("UUID");
			break;
		case 'i':
			lowprobe |= LOWPROBE_TOPOLOGY;
			break;
		case 'l':
			lookup++;
			break;
		case 'g':
			gc = 1;
			break;
		case 'k':
		{
			size_t idx = 0;
			const char *name = NULL;

			while (blkid_superblocks_get_name(idx++, &name, NULL) == 0)
				printf("%s\n", name);
			exit(EXIT_SUCCESS);
		}
		case 'o':
			if (!strcmp(optarg, "value"))
				output_format = OUTPUT_VALUE_ONLY;
			else if (!strcmp(optarg, "device"))
				output_format = OUTPUT_DEVICE_ONLY;
			else if (!strcmp(optarg, "list"))
				output_format = OUTPUT_PRETTY_LIST;	/* deprecated */
			else if (!strcmp(optarg, "udev"))
				output_format = OUTPUT_UDEV_LIST;
			else if (!strcmp(optarg, "export"))
				output_format = OUTPUT_EXPORT_LIST;
			else if (!strcmp(optarg, "full"))
				output_format = 0;
			else {
				fprintf(stderr, "Invalid output format %s. "
					"Choose from value,\n\t"
					"device, list, udev or full\n", optarg);
				exit(BLKID_EXIT_OTHER);
			}
			break;
		case 'O':
			offset = strtosize_or_err(optarg, "invalid offset argument");
			break;
		case 'p':
			lowprobe |= LOWPROBE_SUPERBLOCKS;
			break;
		case 's':
			if (numtag + 1 >= sizeof(show) / sizeof(*show)) {
				fprintf(stderr, "Too many tags specified\n");
				usage(err);
			}
			show[numtag++] = optarg;
			show[numtag] = NULL;
			break;
		case 'S':
			size = strtosize_or_err(optarg, "invalid size argument");
			break;
		case 't':
			if (search_type) {
				fprintf(stderr, "Can only search for "
						"one NAME=value pair\n");
				usage(err);
			}
			if (blkid_parse_tag_string(optarg,
						   &search_type,
						   &search_value)) {
				fprintf(stderr, "-t needs NAME=value pair\n");
				usage(err);
			}
			break;
		case 'v':
			version = 1;
			break;
		case 'w':
			/* ignore - backward compatibility */
			break;
		case 'h':
			err = 0;
			/* fallthrough */
		default:
			usage(err);
		}


	/* The rest of the args are device names */
	if (optind < argc) {
		devices = calloc(argc - optind, sizeof(char *));
		if (!devices) {
			fprintf(stderr, "Failed to allocate device name array\n");
			goto exit;
		}

		while (optind < argc)
			devices[numdev++] = argv[optind++];
	}

	if (version) {
		print_version(stdout);
		goto exit;
	}

	/* convert LABEL/UUID lookup to evaluate request */
	if (lookup && output_format == OUTPUT_DEVICE_ONLY && search_type &&
	    (!strcmp(search_type, "LABEL") || !strcmp(search_type, "UUID"))) {
		eval++;
		lookup = 0;
	}

	if (!lowprobe && !eval && blkid_get_cache(&cache, read) < 0)
		goto exit;

	if (gc) {
		blkid_gc_cache(cache);
		err = 0;
		goto exit;
	}
	err = BLKID_EXIT_NOTFOUND;

	if (eval == 0 && (output_format & OUTPUT_PRETTY_LIST)) {
		if (lowprobe) {
			fprintf(stderr, "The low-level probing mode does not "
					"support 'list' output format\n");
			exit(BLKID_EXIT_OTHER);
		}
		pretty_print_dev(NULL);
	}

	if (lowprobe) {
		/*
		 * Low-level API
		 */
		blkid_probe pr;

		if (!numdev) {
			fprintf(stderr, "The low-level probing mode "
					"requires a device\n");
			exit(BLKID_EXIT_OTHER);
		}

		/* automatically enable 'export' format for I/O Limits */
		if (!output_format  && (lowprobe & LOWPROBE_TOPOLOGY))
			output_format = OUTPUT_EXPORT_LIST;

		pr = blkid_new_probe();
		if (!pr)
			goto exit;

		if (lowprobe & LOWPROBE_SUPERBLOCKS) {
			blkid_probe_set_superblocks_flags(pr,
				BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID |
				BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE |
				BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION);

			if (fltr_usage && blkid_probe_filter_superblocks_usage(
						pr, fltr_flag, fltr_usage))
				goto exit;

			else if (fltr_type && blkid_probe_filter_superblocks_type(
						pr, fltr_flag, fltr_type))
				goto exit;
		}

		for (i = 0; i < numdev; i++) {
			err = lowprobe_device(pr, devices[i], lowprobe, show,
					output_format,
					(blkid_loff_t) offset,
					(blkid_loff_t) size);
			if (err)
				break;
		}
		blkid_free_probe(pr);
	} else if (eval) {
		/*
		 * Evaluate API
		 */
		char *res = blkid_evaluate_tag(search_type, search_value, NULL);
		if (res) {
			err = 0;
			printf("%s\n", res);
		}
	} else if (lookup) {
		/*
		 * Classic (cache based) API
		 */
		blkid_dev dev;

		if (!search_type) {
			fprintf(stderr, "The lookup option requires a "
				"search type specified using -t\n");
			exit(BLKID_EXIT_OTHER);
		}
		/* Load any additional devices not in the cache */
		for (i = 0; i < numdev; i++)
			blkid_get_dev(cache, devices[i], BLKID_DEV_NORMAL);

		if ((dev = blkid_find_dev_with_tag(cache, search_type,
						   search_value))) {
			print_tags(dev, show, output_format);
			err = 0;
		}
	/* If we didn't specify a single device, show all available devices */
	} else if (!numdev) {
		blkid_dev_iterate	iter;
		blkid_dev		dev;

		blkid_probe_all(cache);

		iter = blkid_dev_iterate_begin(cache);
		blkid_dev_set_search(iter, search_type, search_value);
		while (blkid_dev_next(iter, &dev) == 0) {
			dev = blkid_verify(cache, dev);
			if (!dev)
				continue;
			print_tags(dev, show, output_format);
			err = 0;
		}
		blkid_dev_iterate_end(iter);
	/* Add all specified devices to cache (optionally display tags) */
	} else for (i = 0; i < numdev; i++) {
		blkid_dev dev = blkid_get_dev(cache, devices[i],
						  BLKID_DEV_NORMAL);

		if (dev) {
			if (search_type &&
			    !blkid_dev_has_tag(dev, search_type,
					       search_value))
				continue;
			print_tags(dev, show, output_format);
			err = 0;
		}
	}

exit:
	free(search_type);
	free(search_value);
	free_types_list(fltr_type);
	if (!lowprobe && !eval)
		blkid_put_cache(cache);
	free(devices);
	return err;
}
Exemplo n.º 6
0
int main(int argc, char **argv)
{
	char *path;
	int c, fd, verbose = 0, secure = 0;
	uint64_t end, blksize, secsize, range[2];
	struct stat sb;

	static const struct option longopts[] = {
	    { "help",      0, 0, 'h' },
	    { "version",   0, 0, 'V' },
	    { "offset",    1, 0, 'o' },
	    { "length",    1, 0, 'l' },
	    { "secure",    0, 0, 's' },
	    { "verbose",   0, 0, 'v' },
	    { NULL,        0, 0, 0 }
	};

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	range[0] = 0;
	range[1] = ULLONG_MAX;

	while ((c = getopt_long(argc, argv, "hVsvo:l:", longopts, NULL)) != -1) {
		switch(c) {
		case 'h':
			usage(stdout);
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		case 'l':
			range[1] = strtosize_or_err(optarg,
					_("failed to parse length"));
			break;
		case 'o':
			range[0] = strtosize_or_err(optarg,
					_("failed to parse offset"));
			break;
		case 's':
			secure = 1;
			break;
		case 'v':
			verbose = 1;
			break;
		default:
			usage(stderr);
			break;
		}
	}

	if (optind == argc)
		errx(EXIT_FAILURE, _("no device specified"));

	path = argv[optind++];

	if (optind != argc) {
		warnx(_("unexpected number of arguments"));
		usage(stderr);
	}

	if (stat(path, &sb) == -1)
		err(EXIT_FAILURE, _("stat failed %s"), path);
	if (!S_ISBLK(sb.st_mode))
		errx(EXIT_FAILURE, _("%s: not a block device"), path);

	fd = open(path, O_WRONLY);
	if (fd < 0)
		err(EXIT_FAILURE, _("cannot open %s"), path);

	if (ioctl(fd, BLKGETSIZE64, &blksize))
		err(EXIT_FAILURE, _("%s: BLKGETSIZE64 ioctl failed"), path);

	if (ioctl(fd, BLKSSZGET, &secsize))
		err(EXIT_FAILURE, _("%s: BLKSSZGET ioctl failed"), path);

	/* align range to the sector size */
	range[0] = (range[0] + secsize - 1) & ~(secsize - 1);
	range[1] &= ~(secsize - 1);

	/* is the range end behind the end of the device ?*/
	end = range[0] + range[1];
	if (end < range[0] || end > blksize)
		range[1] = blksize - range[0];

	if (secure) {
		if (ioctl(fd, BLKSECDISCARD, &range))
			err(EXIT_FAILURE, _("%s: BLKSECDISCARD ioctl failed"), path);
	} else {
		if (ioctl(fd, BLKDISCARD, &range))
			err(EXIT_FAILURE, _("%s: BLKDISCARD ioctl failed"), path);
	}

	if (verbose)
		/* TRANSLATORS: The standard value here is a very large number. */
		printf(_("%s: Discarded %" PRIu64 " bytes from the "
			 "offset %" PRIu64"\n"), path,
			 (uint64_t) range[1], (uint64_t) range[0]);

	close(fd);
	return EXIT_SUCCESS;
}
Exemplo n.º 7
0
int
main(int argc, char **argv)
{
	struct wipe_desc *wp0 = NULL, *wp;
	int c, has_offset = 0, flags = 0;
	int mode = WP_MODE_PRETTY;

	static const struct option longopts[] = {
	    { "all",       0, 0, 'a' },
	    { "backup",    0, 0, 'b' },
	    { "force",     0, 0, 'f' },
	    { "help",      0, 0, 'h' },
	    { "no-act",    0, 0, 'n' },
	    { "offset",    1, 0, 'o' },
	    { "parsable",  0, 0, 'p' },
	    { "quiet",     0, 0, 'q' },
	    { "types",     1, 0, 't' },
	    { "version",   0, 0, 'V' },
	    { NULL,        0, 0, 0 }
	};

	static const ul_excl_t excl[] = {       /* rows and cols in in ASCII order */
		{ 'a','o' },
		{ 0 }
	};
	int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	while ((c = getopt_long(argc, argv, "afhno:pqt:V", longopts, NULL)) != -1) {

		err_exclusive_options(c, longopts, excl, excl_st);

		switch(c) {
		case 'a':
			flags |= WP_FL_ALL;
			break;
		case 'b':
			flags |= WP_FL_BACKUP;
			break;
		case 'f':
			flags |= WP_FL_FORCE;
			break;
		case 'h':
			usage(stdout);
			break;
		case 'n':
			flags |= WP_FL_NOACT;
			break;
		case 'o':
			wp0 = add_offset(wp0, strtosize_or_err(optarg,
					 _("invalid offset argument")), 1);
			has_offset++;
			break;
		case 'p':
			mode = WP_MODE_PARSABLE;
			break;
		case 'q':
			flags |= WP_FL_QUIET;
			break;
		case 't':
			type_pattern = optarg;
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		default:
			usage(stderr);
			break;
		}
	}

	if (optind == argc)
		usage(stderr);

	if ((flags & WP_FL_BACKUP) && !((flags & WP_FL_ALL) || has_offset))
		warnx(_("The --backup option is meaningless in this context"));

	if (!(flags & WP_FL_ALL) && !has_offset) {
		/*
		 * Print only
		 */
		while (optind < argc) {
			wp0 = read_offsets(NULL, argv[optind++]);
			if (wp0)
				print_all(wp0, mode);
			free_wipe(wp0);
		}
	} else {
		/*
		 * Erase
		 */
		while (optind < argc) {
			wp = clone_offset(wp0);
			wp = do_wipe(wp, argv[optind++], flags);
			free_wipe(wp);
		}
	}

	return EXIT_SUCCESS;
}
Exemplo n.º 8
0
int main(int argc, char **argv)
{
	char *path;
	int c, fd, verbose = 0, secure = 0, secsize;
	uint64_t end, blksize, step, range[2], stats[2];
	struct stat sb;
	struct timeval now, last;

	static const struct option longopts[] = {
	    { "help",      0, 0, 'h' },
	    { "version",   0, 0, 'V' },
	    { "offset",    1, 0, 'o' },
	    { "length",    1, 0, 'l' },
	    { "step",      1, 0, 'p' },
	    { "secure",    0, 0, 's' },
	    { "verbose",   0, 0, 'v' },
	    { NULL,        0, 0, 0 }
	};

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	range[0] = 0;
	range[1] = ULLONG_MAX;
	step = 0;

	while ((c = getopt_long(argc, argv, "hVsvo:l:p:", longopts, NULL)) != -1) {
		switch(c) {
		case 'h':
			usage(stdout);
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		case 'l':
			range[1] = strtosize_or_err(optarg,
					_("failed to parse length"));
			break;
		case 'o':
			range[0] = strtosize_or_err(optarg,
					_("failed to parse offset"));
			break;
		case 'p':
			step = strtosize_or_err(optarg,
					_("failed to parse step"));
			break;
		case 's':
			secure = 1;
			break;
		case 'v':
			verbose = 1;
			break;
		default:
			usage(stderr);
			break;
		}
	}

	if (optind == argc)
		errx(EXIT_FAILURE, _("no device specified"));

	path = argv[optind++];

	if (optind != argc) {
		warnx(_("unexpected number of arguments"));
		usage(stderr);
	}

	fd = open(path, O_WRONLY);
	if (fd < 0)
		err(EXIT_FAILURE, _("cannot open %s"), path);

	if (fstat(fd, &sb) == -1)
		err(EXIT_FAILURE, _("stat failed %s"), path);
	if (!S_ISBLK(sb.st_mode))
		errx(EXIT_FAILURE, _("%s: not a block device"), path);

	if (ioctl(fd, BLKGETSIZE64, &blksize))
		err(EXIT_FAILURE, _("%s: BLKGETSIZE64 ioctl failed"), path);
	if (ioctl(fd, BLKSSZGET, &secsize))
		err(EXIT_FAILURE, _("%s: BLKSSZGET ioctl failed"), path);

	/* check offset alignment to the sector size */
	if (range[0] % secsize)
		errx(EXIT_FAILURE, _("%s: offset %" PRIu64 " is not aligned "
			 "to sector size %i"), path, range[0], secsize);

	/* is the range end behind the end of the device ?*/
	if (range[0] > blksize)
		errx(EXIT_FAILURE, _("%s: offset is greater than device size"), path);
	end = range[0] + range[1];
	if (end < range[0] || end > blksize)
		end = blksize;

	range[1] = (step > 0) ? step : end - range[0];

	/* check length alignment to the sector size */
	if (range[1] % secsize)
		errx(EXIT_FAILURE, _("%s: length %" PRIu64 " is not aligned "
			 "to sector size %i"), path, range[1], secsize);

	stats[0] = range[0], stats[1] = 0;
	gettime_monotonic(&last);

	for (range[0] = range[0]; range[0] < end; range[0] += range[1]) {
		if (range[0] + range[1] > end)
			range[1] = end - range[0];

		if (secure) {
			if (ioctl(fd, BLKSECDISCARD, &range))
				err(EXIT_FAILURE, _("%s: BLKSECDISCARD ioctl failed"), path);
		} else {
			if (ioctl(fd, BLKDISCARD, &range))
				err(EXIT_FAILURE, _("%s: BLKDISCARD ioctl failed"), path);
		}

		/* reporting progress */
		if (verbose && step) {
			gettime_monotonic(&now);
			if (last.tv_sec < now.tv_sec) {
				print_stats(path, stats);
				stats[0] = range[0], stats[1] = 0;
				last = now;
			}
		}

		stats[1] += range[1];
	}

	if (verbose)
		print_stats(path, stats);

	close(fd);
	return EXIT_SUCCESS;
}
Exemplo n.º 9
0
int main(int argc, char **argv)
{
	struct mcookie_control ctl = { .verbose = 0 };
	size_t i;
	unsigned char digest[MD5LENGTH];
	unsigned char buf[RAND_BYTES];
	int c;

	static const struct option longopts[] = {
		{"file", required_argument, NULL, 'f'},
		{"max-size", required_argument, NULL, 'm'},
		{"verbose", no_argument, NULL, 'v'},
		{"version", no_argument, NULL, 'V'},
		{"help", no_argument, NULL, 'h'},
		{NULL, 0, NULL, 0}
	};

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	if (2 < argc)
		ctl.files = xmalloc(sizeof(char *) * argc);

	while ((c = getopt_long(argc, argv, "f:m:vVh", longopts, NULL)) != -1) {
		switch (c) {
		case 'v':
			ctl.verbose = 1;
			break;
		case 'f':
			ctl.files[ctl.nfiles++] = optarg;
			break;
		case 'm':
			ctl.maxsz = strtosize_or_err(optarg,
						     _("failed to parse length"));
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		case 'h':
			usage(stdout);
		default:
			usage(stderr);
		}
	}

	if (ctl.maxsz && ctl.nfiles == 0)
		warnx(_("--max-size ignored when used without --file."));

	randomness_from_files(&ctl);
	free(ctl.files);

	random_get_bytes(&buf, RAND_BYTES);
	MD5Update(&ctl.ctx, buf, RAND_BYTES);
	if (ctl.verbose)
		fprintf(stderr, _("Got %d bytes from %s\n"), RAND_BYTES,
				random_tell_source());

	MD5Final(digest, &ctl.ctx);
	for (i = 0; i < MD5LENGTH; i++)
		printf("%02x", digest[i]);
	putchar('\n');

	return EXIT_SUCCESS;
}
Exemplo n.º 10
0
int main(int argc, char **argv)
{
	struct loopdev_cxt lc;
	int act = 0, flags = 0, c;
	char *file = NULL;
	uint64_t offset = 0, sizelimit = 0;
	int res = 0, showdev = 0, lo_flags = 0;

	enum {
		OPT_SIZELIMIT = CHAR_MAX + 1,
		OPT_SHOW
	};
	static const struct option longopts[] = {
		{ "all", 0, 0, 'a' },
		{ "set-capacity", 1, 0, 'c' },
		{ "detach", 1, 0, 'd' },
		{ "detach-all", 0, 0, 'D' },
		{ "encryption", 1, 0, 'e' },
		{ "find", 0, 0, 'f' },
		{ "help", 0, 0, 'h' },
		{ "associated", 1, 0, 'j' },
		{ "offset", 1, 0, 'o' },
		{ "sizelimit", 1, 0, OPT_SIZELIMIT },
		{ "pass-fd", 1, 0, 'p' },
		{ "partscan", 0, 0, 'P' },
		{ "read-only", 0, 0, 'r' },
	        { "show", 0, 0, OPT_SHOW },
		{ "verbose", 0, 0, 'v' },
		{ "version", 0, 0, 'V' },
		{ NULL, 0, 0, 0 }
	};

	static const ul_excl_t excl[] = {	/* rows and cols in ASCII order */
		{ 'D','a','c','d','f','j' },
		{ 0 }
	};
	int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	if (loopcxt_init(&lc, 0))
		err(EXIT_FAILURE, _("failed to initialize loopcxt"));

	while ((c = getopt_long(argc, argv, "ac:d:De:E:fhj:o:p:PrvV",
				longopts, NULL)) != -1) {

		err_exclusive_options(c, longopts, excl, excl_st);

		switch (c) {
		case 'a':
			act = A_SHOW;
			break;
		case 'c':
			act = A_SET_CAPACITY;
			if (loopcxt_set_device(&lc, optarg))
				err(EXIT_FAILURE, _("%s: failed to use device"),
						optarg);
			break;
		case 'r':
			lo_flags |= LO_FLAGS_READ_ONLY;
			break;
		case 'd':
			act = A_DELETE;
			if (loopcxt_set_device(&lc, optarg))
				err(EXIT_FAILURE, _("%s: failed to use device"),
						optarg);
			break;
		case 'D':
			act = A_DELETE_ALL;
			break;
		case 'E':
		case 'e':
			errx(EXIT_FAILURE, _("encryption not supported, use cryptsetup(8) instead"));
			break;
		case 'f':
			act = A_FIND_FREE;
			break;
		case 'h':
			usage(stdout);
			break;
		case 'j':
			act = A_SHOW;
			file = optarg;
			break;
		case 'o':
			offset = strtosize_or_err(optarg, _("failed to parse offset"));
			flags |= LOOPDEV_FL_OFFSET;
			break;
		case 'p':
                        warn(_("--pass-fd is no longer supported"));
			break;
		case 'P':
			lo_flags |= LO_FLAGS_PARTSCAN;
			break;
		case OPT_SHOW:
			showdev = 1;
			break;
		case 'v':
			verbose = 1;
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		case OPT_SIZELIMIT:			/* --sizelimit */
			sizelimit = strtosize_or_err(optarg, _("failed to parse size"));
			flags |= LOOPDEV_FL_SIZELIMIT;
                        break;
		default:
			usage(stderr);
		}
	}

	if (argc == 1)
		usage(stderr);

	if (act == A_FIND_FREE && optind < argc) {
		/*
		 * losetup -f <backing_file>
		 */
		act = A_CREATE;
		file = argv[optind++];
	}
	if (!act && optind + 1 == argc) {
		/*
		 * losetup <device>
		 */
		act = A_SHOW_ONE;
		if (loopcxt_set_device(&lc, argv[optind]))
			err(EXIT_FAILURE, _("%s: failed to use device"),
					argv[optind]);
		optind++;
	}
	if (!act) {
		/*
		 * losetup <loopdev> <backing_file>
		 */
		act = A_CREATE;

		if (optind >= argc)
			errx(EXIT_FAILURE, _("no loop device specified"));
		if (loopcxt_set_device(&lc, argv[optind]))
			err(EXIT_FAILURE, _("%s: failed to use device"),
					argv[optind]);
		optind++;

		if (optind >= argc)
			errx(EXIT_FAILURE, _("no file specified"));
		file = argv[optind++];
	}

	if (act != A_CREATE &&
	    (sizelimit || lo_flags || showdev))
		errx(EXIT_FAILURE,
			_("the options %s are allowed to loop device setup only"),
			"--{sizelimit,read-only,show}");

	if ((flags & LOOPDEV_FL_OFFSET) &&
	    act != A_CREATE && (act != A_SHOW || !file))
		errx(EXIT_FAILURE, _("the option --offset is not allowed in this context."));

	switch (act) {
	case A_CREATE:
	{
		int hasdev = loopcxt_has_device(&lc);

		do {
			/* Note that loopcxt_{find_unused,set_device}() resets
			 * loopcxt struct.
			 */
			if (!hasdev && (res = loopcxt_find_unused(&lc))) {
				warnx(_("not found unused device"));
				break;
			}
			if (flags & LOOPDEV_FL_OFFSET)
				loopcxt_set_offset(&lc, offset);
			if (flags & LOOPDEV_FL_SIZELIMIT)
				loopcxt_set_sizelimit(&lc, sizelimit);
			if (lo_flags)
				loopcxt_set_flags(&lc, lo_flags);
			if ((res = loopcxt_set_backing_file(&lc, file))) {
				warn(_("%s: failed to use backing file"), file);
				break;
			}
			errno = 0;
			res = loopcxt_setup_device(&lc);
			if (res == 0)
				break;			/* success */
			if (errno != EBUSY) {
				warn(_("%s: failed to setup loop device"),
					hasdev && loopcxt_get_fd(&lc) < 0 ?
					    loopcxt_get_device(&lc) : file);
				break;
			}
		} while (hasdev == 0);

		if (res == 0) {
			if (showdev)
				printf("%s\n", loopcxt_get_device(&lc));
			warn_size(file, sizelimit);
		}
		break;
	}
	case A_DELETE:
		res = delete_loop(&lc);
		while (optind < argc) {
			if (loopcxt_set_device(&lc, argv[optind]))
				warn(_("%s: failed to use device"),
						argv[optind]);
			optind++;
			res += delete_loop(&lc);
		}
		break;
	case A_DELETE_ALL:
		res = delete_all_loops(&lc);
		break;
	case A_FIND_FREE:
		if (loopcxt_find_unused(&lc))
			warn(_("find unused loop device failed"));
		else
			printf("%s\n", loopcxt_get_device(&lc));
		break;
	case A_SHOW:
		res = show_all_loops(&lc, file, offset, flags);
		break;
	case A_SHOW_ONE:
		res = printf_loopdev(&lc);
		if (res)
			warn(_("%s"), loopcxt_get_device(&lc));
		break;
	case A_SET_CAPACITY:
		res = set_capacity(&lc);
		break;
	default:
		usage(stderr);
		break;
	}

	loopcxt_deinit(&lc);
	return res ? EXIT_FAILURE : EXIT_SUCCESS;
}