Remove IPv6 address compaction.

This code is incorrect and can produce addresses with multiple double
colons. No other IRCds do this and most systems today will give us the
compact version anyway.

Issue #914

diff --git a/src/dns.cpp b/src/dns.cpp
index 8ad94e9e1a9fa4465e1ce570b1bf596deb34af8a..977f4bad065846115ee4d45b99208a9153d1881e 100644 (file)
--- a/src/dns.cpp
+++ b/src/dns.cpp
@@ -678,18 +678,6 @@ DNSResult DNS::GetResult()
                        case DNS_QUERY_AAAA:
                        {
                                inet_ntop(AF_INET6, data.first, formatted, sizeof(formatted));
-                               char* c = strstr(formatted,":0:");
-                               if (c != NULL)
-                               {
-                                       memmove(c+1,c+2,strlen(c+2) + 1);
-                                       c += 2;
-                                       while (memcmp(c,"0:",2) == 0)
-                                               memmove(c,c+2,strlen(c+2) + 1);
-                                       if (memcmp(c,"0",2) == 0)
-                                               *c = 0;
-                                       if (memcmp(formatted,"0::",3) == 0)
-                                               memmove(formatted,formatted + 1, strlen(formatted + 1) + 1);
-                               }
                                resultstr = formatted;
 
                                /* Special case. Sending ::1 around between servers