- Pass "module_id" to the two log-related settings that are no longer

  global.
- Added a "restart" arg to log_init() that lets us request that logging
  be reinitialized if the log-file/syslog-facility params changed.

diff --git a/log.c b/log.c
index 64e584b..20132c3 100644 (file)
--- a/log.c
+++ b/log.c
@@ -129,7 +129,7 @@ static void syslog_init()
 #endif
 
 #ifdef LOG_DAEMON
-       openlog("rsyncd", options, lp_syslog_facility());
+       openlog("rsyncd", options, lp_syslog_facility(module_id));
 #else
        openlog("rsyncd", options);
 #endif
@@ -154,11 +154,26 @@ static void logfile_open(void)
        }
 }
 
-void log_init(void)
+void log_init(int restart)
 {
-       if (log_initialised)
-               return;
-       log_initialised = 1;
+       if (log_initialised) {
+               if (!restart)
+                       return;
+               if (strcmp(logfile_name, lp_log_file(module_id)) != 0) {
+                       if (logfile_fp) {
+                               fclose(logfile_fp);
+                               logfile_fp = NULL;
+                       } else
+                               closelog();
+                       logfile_name = NULL;
+               } else if (*logfile_name)
+                       return; /* unchanged, non-empty "log file" names */
+               else if (lp_syslog_facility(-1) != lp_syslog_facility(module_id))
+                       closelog();
+               else
+                       return; /* unchanged syslog settings */
+       } else
+               log_initialised = 1;
 
        /* This looks pointless, but it is needed in order for the
         * C library on some systems to fetch the timezone info
@@ -168,7 +183,7 @@ void log_init(void)
        /* Optionally use a log file instead of syslog.  (Non-daemon
         * rsyncs will have already set logfile_name, as needed.) */
        if (am_daemon && !logfile_name)
-               logfile_name = lp_log_file();
+               logfile_name = lp_log_file(module_id);
        if (logfile_name && *logfile_name)
                logfile_open();
        else
@@ -245,7 +260,7 @@ void rwrite(enum logcode code, char *buf, int len)
                        return;
                in_block = 1;
                if (!log_initialised)
-                       log_init();
+                       log_init(0);
                strlcpy(msg, buf, MIN((int)sizeof msg, len + 1));
                logit(priority, msg);
                in_block = 0;