From bd4e9fe2ca235f77b480cd2357ca375a084f9a8b Mon Sep 17 00:00:00 2001 From: jkim Date: Thu, 6 Oct 2011 20:48:23 +0000 Subject: Restore the original socket address length if it was not really AF_INET6. --- sys/compat/linux/linux_socket.c | 35 +++++++++++++++++++---------------- 1 file changed, 19 insertions(+), 16 deletions(-) (limited to 'sys/compat/linux') diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c index 546b77c..66becb3 100644 --- a/sys/compat/linux/linux_socket.c +++ b/sys/compat/linux/linux_socket.c @@ -128,22 +128,25 @@ linux_getsockaddr(struct sockaddr **sap, const struct osockaddr *osa, int osalen * * Still accept addresses for which the scope id is not used. */ - if (oldv6size && bdom == AF_INET6) { - sin6 = (struct sockaddr_in6 *)kosa; - if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) || - (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && - !IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) && - !IN6_IS_ADDR_V4COMPAT(&sin6->sin6_addr) && - !IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) && - !IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))) { - sin6->sin6_scope_id = 0; - } else { - log(LOG_DEBUG, - "obsolete pre-RFC2553 sockaddr_in6 rejected\n"); - error = EINVAL; - goto out; - } - } else + if (oldv6size) { + if (bdom == AF_INET6) { + sin6 = (struct sockaddr_in6 *)kosa; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) || + (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && + !IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) && + !IN6_IS_ADDR_V4COMPAT(&sin6->sin6_addr) && + !IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) && + !IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))) { + sin6->sin6_scope_id = 0; + } else { + log(LOG_DEBUG, + "obsolete pre-RFC2553 sockaddr_in6 rejected\n"); + error = EINVAL; + goto out; + } + } else + alloclen -= sizeof(u_int32_t); + } #endif if (bdom == AF_INET) { alloclen = sizeof(struct sockaddr_in); -- cgit v1.1