Commit f1abdb78 authored by Namjae Jeon's avatar Namjae Jeon
Browse files

ksmbd: add ipv6_addr_v4mapped check to know if connection from client is ipv4 



ksmbd create socket with IPv6 to listen both IPv4 and IPv6 connection
from client. Server should send IP addresses of NICs through network
interface info response. If Client connection is IPv4, Server should
fill IPv4 address in response buffer. But ss_family is always PF_INET6
on IPv6 socket. So This patch add ipv6_addr_v4mapped check to know
client connection is IPv4.

Signed-off-by: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 6c99dfc4

fs/ksmbd/smb2pdu.c

+3 −1
Original line number Diff line number Diff line
@@ -7078,6 +7078,7 @@ static int fsctl_query_iface_info_ioctl(struct ksmbd_conn *conn, 
	struct sockaddr_storage_rsp *sockaddr_storage;

	unsigned int flags;

	unsigned long long speed;

	struct sockaddr_in6 *csin6 = (struct sockaddr_in6 *)&conn->peer_addr;



	rtnl_lock();

	for_each_netdev(&init_net, netdev) {
@@ -7117,7 +7118,8 @@ static int fsctl_query_iface_info_ioctl(struct ksmbd_conn *conn, 
					nii_rsp->SockAddr_Storage;

		memset(sockaddr_storage, 0, 128);



		if (conn->peer_addr.ss_family == PF_INET) {

		if (conn->peer_addr.ss_family == PF_INET ||

		    ipv6_addr_v4mapped(&csin6->sin6_addr)) {

			struct in_device *idev;



			sockaddr_storage->Family = cpu_to_le16(INTERNETWORK);