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Author: Magnus Holmgren <holmgren@debian.org>
Description: Set the IPV6_V6ONLY socket option on AF_INET6 sockets
Since lshd by default enumerates available address families and calls
bind() once for each, conflicts will occur otherwise.
diff -urNad '--exclude=CVS' '--exclude=.svn' '--exclude=.git' '--exclude=.arch' '--exclude=.hg' '--exclude=_darcs' '--exclude=.bzr' trunk~/src/io.c trunk/src/io.c
--- trunk~/src/io.c 2006-01-23 18:49:58.000000000 +0100
+++ trunk/src/io.c 2010-07-27 02:17:04.000000000 +0200
@@ -1690,6 +1690,13 @@
{
int yes = 1;
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char*)&yes, sizeof yes);
+#if WITH_IPV6 && defined (IPV6_V6ONLY)
+ if (local->sa_family == AF_INET6)
+ {
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &yes, sizeof(yes)) < 0)
+ werror("setsockopt IPV6_V6ONLY failed: %e.\n", errno);
+ }
+#endif
}
if (bind(s, local, length) < 0)