Patch by Felipe Kellermann, fix a bug introduced in the last patch by adding a condition around the remote logging, also adds some comments.

git-svn-id: svn://busybox.net/trunk/busybox@9251 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 21 insertions, 15 deletions

diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index ef9cf2162..8c6c44ee0 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -432,24 +432,30 @@ static void logMessage(int pri, char *msg)
         /* todo: supress duplicates */
 
 #ifdef CONFIG_FEATURE_REMOTE_LOG
-        /* send message to remote logger */
-        if (-1 == remotefd) {
-                init_RemoteLog();
-        }
+        if (doRemoteLog == TRUE) {
+                /* trying connect the socket */
+                if (-1 == remotefd) {
+                        init_RemoteLog();
+                }
 
-        if (-1 != remotefd) {
-                now = 1;
-                snprintf(line, sizeof(line), "<%d> %s", pri, msg);
-
-        retry:
-        if(( -1 == sendto(remotefd, line, strlen(line), 0, 
-                                                (struct sockaddr *) &remoteaddr, 
-                                                sizeof(remoteaddr))) && (errno == EINTR)) {
-                        sleep(now);
-                        now *= 2;
-                        goto retry;
+                /* if we have a valid socket, send the message */
+                if (-1 != remotefd) {
+                        now = 1;
+                        snprintf(line, sizeof(line), "<%d> %s", pri, msg);
+
+                retry:
+                        /* send message to remote logger */
+                        if(( -1 == sendto(remotefd, line, strlen(line), 0,
+                                                        (struct sockaddr *) &remoteaddr,
+                                                        sizeof(remoteaddr))) && (errno == EINTR)) {
+                                /* sleep now seconds and retry (with now * 2) */
+                                sleep(now);
+                                now *= 2;
+                                goto retry;
+                        }
                 }
         }
+
         if (local_logging == TRUE)
 #endif
         {