Changeset 58e8646 in mainline for uspace/srv/net/udp/assoc.c

Timestamp:

2017-08-23T18:37:21Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

258d77e

Parents:

853802e

Message:

Fix DNS resolution not working due to missing local address.

File:

• uspace/srv/net/udp/assoc.c (modified) (2 diffs)

uspace/srv/net/udp/assoc.c

@@ -40 +40 @@
 #include <fibril_synch.h>
 #include <inet/endpoint.h>
+#include <inet/inet.h>
 #include <io/log.h>
 #include <nettl/amap.h>
@@ -261 +262 @@
                 return EINVAL;
 
+        /* This association has no local address set. Need to determine one. */
+        log_msg(LOG_DEFAULT, LVL_DEBUG, "udp_assoc_send - check no local addr");
+        if (inet_addr_is_any(&epp.local.addr) && !assoc->nolocal) {
+                log_msg(LOG_DEFAULT, LVL_DEBUG, "Determine local address.");
+                rc = inet_get_srcaddr(&epp.remote.addr, 0, &epp.local.addr);
+                if (rc != EOK) {
+                        log_msg(LOG_DEFAULT, LVL_DEBUG, "Cannot determine "
+                            "local address.");
+                        return EINVAL;
+                }
+        }
+
         log_msg(LOG_DEFAULT, LVL_DEBUG, "udp_assoc_send - check version");
 
-        if (epp.remote.addr.version != epp.local.addr.version)
+        if (!inet_addr_is_any(&epp.local.addr) &&
+            epp.remote.addr.version != epp.local.addr.version)
                 return EINVAL;