diff options
| -rw-r--r-- | source4/lib/socket/socket_ip.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/source4/lib/socket/socket_ip.c b/source4/lib/socket/socket_ip.c index 4e66653252..bf0aff74ec 100644 --- a/source4/lib/socket/socket_ip.c +++ b/source4/lib/socket/socket_ip.c @@ -667,9 +667,22 @@ static NTSTATUS ipv6_tcp_connect(struct socket_context *sock, return ip_connect_complete(sock, flags); } +/* + fix the sin6_scope_id based on the address interface + */ +static void fix_scope_id(struct sockaddr_in6 *in6, + const char *address) +{ + const char *p = strchr(address, '%'); + if (p != NULL) { + in6->sin6_scope_id = if_nametoindex(p+1); + } +} + + static NTSTATUS ipv6_listen(struct socket_context *sock, - const struct socket_address *my_address, - int queue_size, uint32_t flags) + const struct socket_address *my_address, + int queue_size, uint32_t flags) { struct sockaddr_in6 my_addr; struct in6_addr ip_addr; @@ -680,14 +693,21 @@ static NTSTATUS ipv6_listen(struct socket_context *sock, if (my_address->sockaddr) { ret = bind(sock->fd, my_address->sockaddr, my_address->sockaddrlen); } else { + int one = 1; ip_addr = interpret_addr6(my_address->addr); ZERO_STRUCT(my_addr); my_addr.sin6_addr = ip_addr; my_addr.sin6_port = htons(my_address->port); my_addr.sin6_family = PF_INET6; - - ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr)); + fix_scope_id(&my_addr, my_address->addr); + + /* when binding on ipv6 we always want to only bind on v6 */ + ret = setsockopt(sock->fd, IPPROTO_IPV6, IPV6_V6ONLY, + (const void *)&one, sizeof(one)); + if (ret != -1) { + ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr)); + } } if (ret == -1) { |