Hi, the attached patch fixes the interface index for dhcpv6 answers on OpenBSD. It is based on the patch from https://marc.info/?l=openbsd-misc&m=144067760416819&w=2
Without the patch, every request will create a log entry with no route to host: Jan 20 11:05:50 infra1-DG dhcpd: send_packet6: No route to host Jan 20 11:05:50 infra1-DG dhcpd: dhcpv6: send_packet6() sent -1 of 133 bytes Comments, oks? Marc
Index: patches/patch-common_socket_c =================================================================== RCS file: patches/patch-common_socket_c diff -N patches/patch-common_socket_c --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ patches/patch-common_socket_c 20 Jan 2017 09:39:19 -0000 @@ -0,0 +1,21 @@ +--- common/socket.c.orig Thu Jan 19 15:55:02 2017 ++++ common/socket.c Thu Jan 19 15:58:34 2017 +@@ -793,9 +793,18 @@ + memcpy(&dst, to, sizeof(dst)); + m.msg_name = &dst; + m.msg_namelen = sizeof(dst); ++ ++ /* ++ * For OpenBSD, needing interface index. ++ * The preprocessor test is added . . . ++ */ ++ #if defined(__OpenBSD__) ++ dst.sin6_scope_id = ifindex = if_nametoindex(interface->name); ++ #else /* ! defined(__OpenBSD__) */ + ifindex = if_nametoindex(interface->name); + if (no_global_v6_socket) + dst.sin6_scope_id = ifindex; ++ #endif /* ! defined(__OpenBSD__) */ + + /* + * Set the data buffer we're sending. (Using this wacky
