Author: ed
Date: Fri Apr  6 16:24:03 2018
New Revision: 332110
URL: https://svnweb.freebsd.org/changeset/base/332110

Log:
  Properly respect the passed in hostname for RFC 5424 messages.
  
  Only override the hostname in case none is provided or when remote
  hostnames should be ignored.

Modified:
  head/usr.sbin/syslogd/syslogd.c

Modified: head/usr.sbin/syslogd/syslogd.c
==============================================================================
--- head/usr.sbin/syslogd/syslogd.c     Fri Apr  6 16:22:14 2018        
(r332109)
+++ head/usr.sbin/syslogd/syslogd.c     Fri Apr  6 16:24:03 2018        
(r332110)
@@ -1028,6 +1028,8 @@ parsemsg_rfc5424(const char *from, int pri, char *msg)
                msg[-1] = '\0';                                         \
        }
        PARSE_STRING("HOSTNAME", hostname);
+       if (hostname == NULL || !RemoteHostname)
+               hostname = from;
        PARSE_STRING("APP-NAME", app_name);
        PARSE_STRING("PROCID", procid);
        PARSE_STRING("MSGID", msgid);
@@ -1079,7 +1081,7 @@ parsemsg_rfc5424(const char *from, int pri, char *msg)
 #undef IF_NOT_NILVALUE
 
        parsemsg_remove_unsafe_characters(msg, line, sizeof(line));
-       logmsg(pri, timestamp, from, app_name, procid, msgid,
+       logmsg(pri, timestamp, hostname, app_name, procid, msgid,
            structured_data, line, 0);
 }
 
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