Added the "reverse lookup" daemon-config parameter.

[rsync/rsync.git] / log.c

diff --git a/log.c b/log.c
index 551cb06..adde3c8 100644 (file)
--- a/log.c
+++ b/log.c
@@ -60,6 +60,7 @@ extern char curr_dir[MAXPATHLEN];
 extern char *full_module_path;
 extern unsigned int module_dirlen;
 extern char sender_file_sum[MAX_DIGEST_LEN];
+extern const char undetermined_hostname[];
 
 static int log_initialised;
 static int logfile_was_closed;
@@ -503,10 +504,16 @@ static void log_formatted(enum logcode code, const char *format, const char *op,
                *c = '\0';
                n = NULL;
 
+               /* Note for %h and %a: it doesn't matter what fd we pass to
+                * client_{name,addr} because rsync_module will already have
+                * forced the answer to be cached (assuming, of course, for %h
+                * that lp_reverse_lookup(module_id) is true). */
                switch (*p) {
                case 'h':
-                       if (am_daemon)
-                               n = client_name(0);
+                       if (am_daemon) {
+                               n = lp_reverse_lookup(module_id)
+                                 ? client_name(0) : undetermined_hostname;
+                       }
                        break;
                case 'a':
                        if (am_daemon)