logger: require --{server,socket} to remote rfc542/rfc3164 log

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/logger.c b/misc-utils/logger.c
index a9d21884fdb84151a978f56b560d9e1f0b02b328..b07edc20e9f7b4c372036ad662150479c14690a1 100644 (file)
--- a/misc-utils/logger.c
+++ b/misc-utils/logger.c
@@ -435,6 +435,11 @@ static void logger_open(struct logger_ctl *ctl)
                        ctl->syslogfp = syslog_rfc5424;
                return;
        }
+
+       if (ctl->syslogfp == syslog_rfc5424 || ctl->syslogfp == syslog_rfc3164)
+               errx(EXIT_FAILURE, _("--server or --socket are required to "
+                                    "log by --rfc5424 or --rfc3164."));
+
        openlog(ctl->tag ? ctl->tag : xgetlogin(), ctl->logflags, 0);
        ctl->syslogfp = syslog_local;
 }