/*
* 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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
