753 lines
19 KiB
C
753 lines
19 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* 1999-02-22 Arkadiusz Miśkiewicz <misiek@pld.ORG.PL>
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* - added Native Language Support
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* Sun Mar 21 1999 - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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* - fixed strerr(errno) in gettext calls
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*/
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#include <errno.h>
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#include <limits.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <getopt.h>
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#include <pwd.h>
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#include "all-io.h"
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#include "c.h"
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#include "closestream.h"
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#include "nls.h"
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#include "strutils.h"
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#include "xalloc.h"
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#define SYSLOG_NAMES
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#include <syslog.h>
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#ifdef HAVE_LIBSYSTEMD
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# include <systemd/sd-daemon.h>
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# include <systemd/sd-journal.h>
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#endif
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#ifdef HAVE_SYS_TIMEX_H
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# include <sys/timex.h>
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#endif
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enum {
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TYPE_UDP = (1 << 1),
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TYPE_TCP = (1 << 2),
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ALL_TYPES = TYPE_UDP | TYPE_TCP
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};
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enum {
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AF_UNIX_ERRORS_OFF = 0,
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AF_UNIX_ERRORS_ON,
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AF_UNIX_ERRORS_AUTO
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};
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enum {
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OPT_PRIO_PREFIX = CHAR_MAX + 1,
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OPT_JOURNALD,
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OPT_RFC3164,
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OPT_RFC5424,
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OPT_SOCKET_ERRORS
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};
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struct logger_ctl {
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int fd;
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int pri;
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pid_t pid; /* zero when unwanted */
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char *tag;
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char *unix_socket;
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char *server;
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char *port;
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int socket_type;
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void (*syslogfp)(const struct logger_ctl *ctl, const char *msg);
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unsigned int
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unix_socket_errors:1, /* whether to report or not errors */
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prio_prefix:1, /* read priority from intput */
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stderr_printout:1, /* output message to stderr */
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rfc5424_time:1, /* include time stamp */
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rfc5424_tq:1, /* include time quality markup */
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rfc5424_host:1; /* include hostname */
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};
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static char *get_prio_prefix(char *msg, int *prio)
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{
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int p;
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char *end = NULL;
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int facility = *prio & LOG_FACMASK;
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errno = 0;
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p = strtoul(msg + 1, &end, 10);
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if (errno || !end || end == msg + 1 || end[0] != '>')
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return msg;
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if (p & LOG_FACMASK)
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facility = p & LOG_FACMASK;
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*prio = facility | (p & LOG_PRIMASK);
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return end + 1;
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}
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static int decode(const char *name, CODE *codetab)
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{
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register CODE *c;
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if (name == NULL || *name == '\0')
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return -1;
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if (isdigit(*name)) {
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int num;
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char *end = NULL;
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num = strtol(name, &end, 10);
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if (errno || name == end || (end && *end))
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return -1;
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for (c = codetab; c->c_name; c++)
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if (num == c->c_val)
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return num;
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return -1;
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}
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for (c = codetab; c->c_name; c++)
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if (!strcasecmp(name, c->c_name))
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return (c->c_val);
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return -1;
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}
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static int pencode(char *s)
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{
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int facility, level;
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char *separator;
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separator = strchr(s, '.');
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if (separator) {
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*separator = '\0';
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facility = decode(s, facilitynames);
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if (facility < 0)
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errx(EXIT_FAILURE, _("unknown facility name: %s"), s);
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s = ++separator;
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} else
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facility = LOG_USER;
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level = decode(s, prioritynames);
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if (level < 0)
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errx(EXIT_FAILURE, _("unknown priority name: %s"), s);
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return ((level & LOG_PRIMASK) | (facility & LOG_FACMASK));
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}
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static int unix_socket(struct logger_ctl *ctl, const char *path, const int socket_type)
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{
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int fd, i;
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static struct sockaddr_un s_addr; /* AF_UNIX address of local logger */
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if (strlen(path) >= sizeof(s_addr.sun_path))
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errx(EXIT_FAILURE, _("openlog %s: pathname too long"), path);
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s_addr.sun_family = AF_UNIX;
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strcpy(s_addr.sun_path, path);
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for (i = 2; i; i--) {
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int st = -1;
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if (i == 2 && socket_type & TYPE_UDP)
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st = SOCK_DGRAM;
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if (i == 1 && socket_type & TYPE_TCP)
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st = SOCK_STREAM;
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if (st == -1 || (fd = socket(AF_UNIX, st, 0)) == -1)
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continue;
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if (connect(fd, (struct sockaddr *)&s_addr, sizeof(s_addr)) == -1) {
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close(fd);
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continue;
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}
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break;
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}
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if (i == 0) {
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if (ctl->unix_socket_errors)
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err(EXIT_FAILURE, _("socket %s"), path);
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else
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/* See --socket-errors manual page entry for
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* explanation of this strange exit. */
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exit(EXIT_SUCCESS);
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}
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return fd;
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}
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static int inet_socket(const char *servername, const char *port,
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const int socket_type)
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{
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int fd, errcode, i;
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struct addrinfo hints, *res;
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const char *p = port;
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for (i = 2; i; i--) {
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memset(&hints, 0, sizeof(hints));
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if (i == 2 && socket_type & TYPE_UDP) {
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hints.ai_socktype = SOCK_DGRAM;
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if (port == NULL)
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p = "syslog";
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}
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if (i == 1 && socket_type & TYPE_TCP) {
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hints.ai_socktype = SOCK_STREAM;
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if (port == NULL)
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p = "syslog-conn";
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}
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if (hints.ai_socktype == 0)
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continue;
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hints.ai_family = AF_UNSPEC;
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errcode = getaddrinfo(servername, p, &hints, &res);
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if (errcode != 0)
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errx(EXIT_FAILURE, _("failed to resolve name %s port %s: %s"),
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servername, p, gai_strerror(errcode));
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if ((fd = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) == -1) {
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freeaddrinfo(res);
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continue;
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}
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if (connect(fd, res->ai_addr, res->ai_addrlen) == -1) {
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freeaddrinfo(res);
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close(fd);
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continue;
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}
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freeaddrinfo(res);
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break;
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}
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if (i == 0)
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errx(EXIT_FAILURE, _("failed to connect to %s port %s"), servername, p);
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return fd;
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}
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#ifdef HAVE_LIBSYSTEMD
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static int journald_entry(FILE *fp)
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{
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struct iovec *iovec;
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char *buf = NULL;
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ssize_t sz;
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int n, lines, vectors = 8, ret;
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size_t dummy = 0;
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iovec = xmalloc(vectors * sizeof(struct iovec));
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for (lines = 0; /* nothing */ ; lines++) {
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buf = NULL;
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sz = getline(&buf, &dummy, fp);
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if (sz == -1)
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break;
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if (0 < sz && buf[sz - 1] == '\n') {
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sz--;
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buf[sz] = '\0';
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}
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if (lines == vectors) {
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vectors *= 2;
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if (IOV_MAX < vectors)
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errx(EXIT_FAILURE, _("maximum input lines (%d) exceeded"), IOV_MAX);
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iovec = xrealloc(iovec, vectors * sizeof(struct iovec));
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}
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iovec[lines].iov_base = buf;
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iovec[lines].iov_len = sz;
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}
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ret = sd_journal_sendv(iovec, lines);
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for (n = 0; n < lines; n++)
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free(iovec[n].iov_base);
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free(iovec);
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return ret;
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}
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#endif
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static char *xgetlogin(void)
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{
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char *cp;
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struct passwd *pw;
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if (!(cp = getlogin()) || !*cp)
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cp = (pw = getpwuid(geteuid()))? pw->pw_name : "<someone>";
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return cp;
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}
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static void syslog_rfc3164(const struct logger_ctl *ctl, const char *msg)
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{
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char *buf, pid[30], *cp, *tp, *hostname, *dot;
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time_t now;
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int len;
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*pid = '\0';
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if (ctl->fd < 0)
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return;
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if (ctl->pid)
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snprintf(pid, sizeof(pid), "[%d]", ctl->pid);
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cp = ctl->tag ? ctl->tag : xgetlogin();
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hostname = xgethostname();
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dot = strchr(hostname, '.');
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if (dot)
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*dot = '\0';
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time(&now);
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tp = ctime(&now) + 4;
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len = xasprintf(&buf, "<%d>%.15s %s %.200s%s: %.400s",
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ctl->pri, tp, hostname, cp, pid, msg);
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if (write_all(ctl->fd, buf, len) < 0)
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warn(_("write failed"));
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if (ctl->stderr_printout)
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fprintf(stderr, "%s\n", buf);
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free(hostname);
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free(buf);
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}
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static void syslog_rfc5424(const struct logger_ctl *ctl, const char *msg)
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{
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char *buf, *tag = NULL, *hostname = NULL;
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char pid[32], time[64], timeq[80];
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#ifdef HAVE_SYS_TIMEX_H
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struct ntptimeval ntptv;
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#endif
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struct timeval tv;
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struct tm *tm;
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int len;
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*pid = *time = *timeq = '\0';
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if (ctl->fd < 0)
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return;
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if (ctl->rfc5424_time) {
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gettimeofday(&tv, NULL);
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if ((tm = localtime(&tv.tv_sec)) != NULL) {
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char fmt[64];
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strftime(fmt, sizeof(fmt), " %Y-%m-%dT%H:%M:%S.%%06u%z",
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tm);
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snprintf(time, sizeof(time), fmt, tv.tv_usec);
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} else
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err(EXIT_FAILURE, _("localtime() failed"));
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}
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if (ctl->rfc5424_host) {
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hostname = xgethostname();
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/* Arbitrary looking 'if (var < strlen()) checks originate from
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* RFC 5424 - 6 Syslog Message Format definition. */
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if (255 < strlen(hostname))
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errx(EXIT_FAILURE, _("hostname '%s' is too long"),
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hostname);
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}
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tag = ctl->tag ? ctl->tag : xgetlogin();
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if (48 < strlen(tag))
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errx(EXIT_FAILURE, _("tag '%s' is too long"), tag);
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if (ctl->pid)
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snprintf(pid, sizeof(pid), " %d", ctl->pid);
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if (ctl->rfc5424_tq) {
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#ifdef HAVE_SYS_TIMEX_H
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if (ntp_gettime(&ntptv) == TIME_OK)
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snprintf(timeq, sizeof(timeq),
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" [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"%ld\"]",
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ntptv.maxerror);
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else
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#endif
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snprintf(timeq, sizeof(timeq),
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" [timeQuality tzKnown=\"1\" isSynced=\"0\"]");
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}
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len = xasprintf(&buf, "<%d>1%s%s%s %s -%s%s %s", ctl->pri, time,
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hostname ? " " : "",
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hostname ? hostname : "",
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tag, pid, timeq, msg);
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if (write_all(ctl->fd, buf, len) < 0)
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warn(_("write failed"));
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if (ctl->stderr_printout)
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fprintf(stderr, "%s\n", buf);
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free(hostname);
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free(buf);
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}
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static void parse_rfc5424_flags(struct logger_ctl *ctl, char *optarg)
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{
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char *in, *tok;
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in = optarg;
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while ((tok = strtok(in, ","))) {
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in = NULL;
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if (!strcmp(tok, "notime")) {
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ctl->rfc5424_time = 0;
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ctl->rfc5424_tq = 0;
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} else if (!strcmp(tok, "notq"))
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ctl->rfc5424_tq = 0;
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else if (!strcmp(tok, "nohost"))
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ctl->rfc5424_host = 0;
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else
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warnx(_("ignoring unknown option argument: %s"), tok);
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}
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}
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static int parse_unix_socket_errors_flags(char *optarg)
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{
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if (!strcmp(optarg, "off"))
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return AF_UNIX_ERRORS_OFF;
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if (!strcmp(optarg, "on"))
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return AF_UNIX_ERRORS_ON;
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if (!strcmp(optarg, "auto"))
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return AF_UNIX_ERRORS_AUTO;
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warnx(_("invalid argument: %s: using automatic errors"), optarg);
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return AF_UNIX_ERRORS_AUTO;
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}
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static void syslog_local(const struct logger_ctl *ctl, const char *msg)
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{
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char *buf, *tag;
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char time[32], pid[32];
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struct timeval tv;
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struct tm *tm;
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int len;
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gettimeofday(&tv, NULL);
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tm = localtime(&tv.tv_sec);
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strftime(time, sizeof(time), "%h %e %T", tm);
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tag = ctl->tag ? ctl->tag : program_invocation_short_name;
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if (ctl->pid)
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snprintf(pid, sizeof(pid), "[%d]", ctl->pid);
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else
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pid[0] = '\0';
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len = xasprintf(&buf, "<%d>%s %s%s: %s", ctl->pri, time, tag, pid, msg);
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if (write_all(ctl->fd, buf, len) < 0)
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warn(_("write failed"));
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if (ctl->stderr_printout)
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fprintf(stderr, "%s\n", buf);
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free(buf);
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}
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static void logger_open(struct logger_ctl *ctl)
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{
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if (ctl->server) {
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ctl->fd = inet_socket(ctl->server, ctl->port, ctl->socket_type);
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if (!ctl->syslogfp)
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ctl->syslogfp = syslog_rfc5424;
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return;
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}
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if (ctl->unix_socket) {
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ctl->fd = unix_socket(ctl, ctl->unix_socket, ctl->socket_type);
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if (!ctl->syslogfp)
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ctl->syslogfp = syslog_rfc5424;
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return;
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}
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ctl->fd = unix_socket(ctl, "/dev/log", ctl->socket_type);
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ctl->syslogfp = syslog_local;
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}
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static void logger_command_line(const struct logger_ctl *ctl, char **argv)
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{
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char buf[4096];
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char *p = buf;
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const char *endp = buf + sizeof(buf) - 2;
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size_t len;
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while (*argv) {
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len = strlen(*argv);
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if (endp < p + len && p != buf) {
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ctl->syslogfp(ctl, buf);
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p = buf;
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}
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if (sizeof(buf) - 1 < len) {
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ctl->syslogfp(ctl, *argv++);
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continue;
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}
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if (p != buf)
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*p++ = ' ';
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memmove(p, *argv++, len);
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*(p += len) = '\0';
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}
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if (p != buf)
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ctl->syslogfp(ctl, buf);
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}
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static void logger_stdin(struct logger_ctl *ctl)
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{
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char *msg;
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int default_priority = ctl->pri;
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char buf[1024];
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while (fgets(buf, sizeof(buf), stdin) != NULL) {
|
|
int len = strlen(buf);
|
|
|
|
/* some glibc versions are buggy, they add an additional
|
|
* newline which is removed here. */
|
|
if (0 < len && buf[len - 1] == '\n')
|
|
buf[len - 1] = '\0';
|
|
msg = buf;
|
|
ctl->pri = default_priority;
|
|
if (ctl->prio_prefix && msg[0] == '<')
|
|
msg = get_prio_prefix(msg, &ctl->pri);
|
|
ctl->syslogfp(ctl, msg);
|
|
}
|
|
}
|
|
|
|
static void logger_close(const struct logger_ctl *ctl)
|
|
{
|
|
if (close(ctl->fd) != 0)
|
|
err(EXIT_FAILURE, _("close failed"));
|
|
}
|
|
|
|
static void __attribute__ ((__noreturn__)) usage(FILE *out)
|
|
{
|
|
fputs(USAGE_HEADER, out);
|
|
fprintf(out, _(" %s [options] [<message>]\n"), program_invocation_short_name);
|
|
|
|
fputs(USAGE_SEPARATOR, out);
|
|
fputs(_("Enter messages into the system log.\n"), out);
|
|
|
|
fputs(USAGE_OPTIONS, out);
|
|
fputs(_(" -i, --id[=<id>] log <id> (default is PID)\n"), out);
|
|
fputs(_(" -f, --file <file> log the contents of this file\n"), out);
|
|
fputs(_(" -p, --priority <prio> mark given message with this priority\n"), out);
|
|
fputs(_(" --prio-prefix look for a prefix on every line read from stdin\n"), out);
|
|
fputs(_(" -s, --stderr output message to standard error as well\n"), out);
|
|
fputs(_(" -t, --tag <tag> mark every line with this tag\n"), out);
|
|
fputs(_(" -n, --server <name> write to this remote syslog server\n"), out);
|
|
fputs(_(" -P, --port <number> use this UDP port\n"), out);
|
|
fputs(_(" -T, --tcp use TCP only\n"), out);
|
|
fputs(_(" -d, --udp use UDP only\n"), out);
|
|
fputs(_(" --rfc3164 use the obsolete BSD syslog protocol\n"), out);
|
|
fputs(_(" --rfc5424[=<snip>] use the syslog protocol (the default);\n"
|
|
" <snip> can be notime, or notq, and/or nohost\n"), out);
|
|
fputs(_(" -u, --socket <socket> write to this Unix socket\n"), out);
|
|
fputs(_(" --socket-errors[=<on|off|auto>]\n"
|
|
" print connection errors when using Unix sockets\n"), out);
|
|
#ifdef HAVE_LIBSYSTEMD
|
|
fputs(_(" --journald[=<file>] write journald entry\n"), out);
|
|
#endif
|
|
|
|
fputs(USAGE_SEPARATOR, out);
|
|
fputs(USAGE_HELP, out);
|
|
fputs(USAGE_VERSION, out);
|
|
fprintf(out, USAGE_MAN_TAIL("logger(1)"));
|
|
|
|
exit(out == stderr ? EXIT_FAILURE : 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,
|
|
.unix_socket_errors = 0,
|
|
.server = NULL,
|
|
.port = NULL,
|
|
.socket_type = ALL_TYPES,
|
|
.rfc5424_time = 1,
|
|
.rfc5424_tq = 1,
|
|
.rfc5424_host = 1,
|
|
};
|
|
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, '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' },
|
|
{ "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' },
|
|
{ "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 OPT_SOCKET_ERRORS:
|
|
unix_socket_errors_mode = parse_unix_socket_errors_flags(optarg);
|
|
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(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:
|
|
#ifdef HAVE_LIBSYSTEMD
|
|
ctl.unix_socket_errors = sd_booted();
|
|
#else
|
|
ctl.unix_socket_errors = 0;
|
|
#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;
|
|
}
|