/*
* 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;
}
/*
* 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_NOTICE,
.prio_prefix = 0,
.tag = NULL,
.unix_socket = NULL,
.server = NULL,
.port = NULL,
.socket_type = ALL_TYPES,
.rfc5424_time = 1,
.rfc5424_tq = 1,
.rfc5424_host = 1,
};
int ch;
int stdout_reopened = 0;
#ifdef HAVE_LIBSYSTEMD
FILE *jfd = NULL;
#endif
static const struct option longopts[] = {
{ "id", optional_argument, 0, 'i' },
{ "stderr", no_argument, 0, 's' },
{ "file", required_argument, 0, 'f' },
{ "priority", required_argument, 0, 'p' },
{ "tag", required_argument, 0, 't' },
{ "socket", required_argument, 0, 'u' },
{ "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' },
{ "prio-prefix", no_argument, 0, OPT_PRIO_PREFIX },
{ "rfc3164", no_argument, 0, OPT_RFC3164 },
{ "rfc5424", optional_argument, 0, OPT_RFC5424 },
#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, "f:i::p: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 'i': /* log process id also */
if (optarg) {
const char *p = optarg;
if (*p == '=')
p++;
ctl.pid = strtoul_or_err(optarg, _("failed to parse id"));
} else
ctl.pid = 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 '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_PRIO_PREFIX:
ctl.prio_prefix = 1;
break;
case OPT_RFC3164:
ctl.syslogfp = syslog_rfc3164;
break;
case OPT_RFC5424:
ctl.syslogfp = syslog_rfc5424;
if (optarg)
parse_rfc5424_flags(&ctl, 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 '?':
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(jfd);
if (stdin != jfd)
fclose(jfd);
if (ret)
errx(EXIT_FAILURE, _("journald entry could not be wrote"));
return EXIT_SUCCESS;
}
#endif
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;
}
