From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 22 Nov 2021 10:13:26 +0000 (+0100)
Subject: resolved: include IP address info in debug output for incoming datagrams
X-Git-Tag: v250-rc1~186^2~8
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f96b500eced522adb56e4e79a876c6a9471bb134;p=thirdparty%2Fsystemd.git

resolved: include IP address info in debug output for incoming datagrams
---

diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c
index 246e2d9db7c..431093ad01c 100644
--- a/src/resolve/resolved-manager.c
+++ b/src/resolve/resolved-manager.c
@@ -880,8 +880,16 @@ int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret) {
                         p->ifindex = manager_find_ifindex(m, p->family, &p->destination);
         }
 
-        log_debug("Received %s UDP packet of size %zu, ifindex=%i, ttl=%i, fragsize=%zu",
-                  dns_protocol_to_string(protocol), p->size, p->ifindex, p->ttl, p->fragsize);
+        if (DEBUG_LOGGING) {
+                _cleanup_free_ char *sender_address = NULL, *destination_address = NULL;
+
+                (void) in_addr_to_string(p->family, &p->sender, &sender_address);
+                (void) in_addr_to_string(p->family, &p->destination, &destination_address);
+
+                log_debug("Received %s UDP packet of size %zu, ifindex=%i, ttl=%i, fragsize=%zu, sender=%s, destination=%s",
+                          dns_protocol_to_string(protocol), p->size, p->ifindex, p->ttl, p->fragsize,
+                          strna(sender_address), strna(destination_address));
+        }
 
         *ret = TAKE_PTR(p);
         return 1;