[Bug 194954] New: [patch] [local_unbound] forward or stub addresses with same address but different port number are not tried

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194954

            Bug ID: 194954
           Summary: [patch] [local_unbound] forward or stub addresses with
                    same address but different port number are not tried
           Product: Base System
           Version: 10.0-RELEASE
          Hardware: Any
               URL: https://forums.freebsd.org/threads/failover-and-load-b
                    alancing-dns-queries-with-unbound.48872/#post-273471
                OS: Any
            Status: Needs Triage
          Severity: Affects Some People
          Priority: Normal
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: arabesc at bk.ru

Bug is confirmed by W.C.A. Wijngaards, he has provided a fix:

Index: iterator/iter_delegpt.c
===================================================================
- --- iterator/iter_delegpt.c   (revision 3256)
+++ iterator/iter_delegpt.c     (working copy)
@@ -147,7 +147,9 @@
 {
        struct delegpt_addr* p = dp->target_list;
        while(p) {
- -             if(sockaddr_cmp_addr(addr, addrlen, &p->addr, p->addrlen)==0) {
+               if(sockaddr_cmp_addr(addr, addrlen, &p->addr, p->addrlen)==0
+                       && ((struct sockaddr_in*)addr)->sin_port ==
+                          ((struct sockaddr_in*)&p->addr)->sin_port) {
                        return p;
                }
                p = p->next_target;

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