Add source of SPTPS errors to log messages.

diff --git a/src/logger.c b/src/logger.c
index 2b4c7e3..2defb23 100644 (file)
--- a/src/logger.c
+++ b/src/logger.c
@@ -1,6 +1,6 @@
 /*
     logger.c -- logging code
-    Copyright (C) 2004-2013 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2004-2015 Guus Sliepen <guus@tinc-vpn.org>
                   2004-2005 Ivo Timmermans
 
     This program is free software; you can redistribute it and/or modify
@@ -114,9 +114,17 @@ void logger(int level, int priority, const char *format, ...) {
 
 static void sptps_logger(sptps_t *s, int s_errno, const char *format, va_list ap) {
        char message[1024] = "";
-       int len = vsnprintf(message, sizeof message, format, ap);
-       if(len > 0 && len < sizeof message && message[len - 1] == '\n')
-               message[len - 1] = 0;
+       size_t msglen = sizeof message;
+
+       int len = vsnprintf(message, msglen, format, ap);
+       if(len > 0 && len < sizeof message) {
+               if(message[len - 1] == '\n')
+                       message[--len] = 0;
+
+               connection_t *c = s->handle;
+               if(c)
+                       snprintf(message + len, sizeof message - len, " from %s (%s)", c->name, c->hostname);
+       }
 
        real_logger(DEBUG_ALWAYS, LOG_ERR, message);
 }