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| author | Jeff Layton <jlayton@redhat.com> | 2007-12-31 04:03:02 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2007-12-31 04:03:02 +0000 |
| commit | 1a67570c76402b36695cd0725e28649ee8fe830d (patch) | |
| tree | 77e71577106a8e0c2d2d61b032a8dd7437f3deb3 | |
| parent | 1d9a8852c365fb7f8db0f8364210138985f457b8 (diff) | |
| download | linux-stable-1a67570c76402b36695cd0725e28649ee8fe830d.tar.gz linux-stable-1a67570c76402b36695cd0725e28649ee8fe830d.tar.bz2 linux-stable-1a67570c76402b36695cd0725e28649ee8fe830d.zip | |
[CIFS] use krb5 session key from first SMB session after a NegProt
Currently, any new kerberos SMB session overwrites the server's session
key. The session key should only be set by the first SMB session set up
on the socket.
Signed-off-by: Jeff Layton <jlayton@tupile.poochiereds.net>
Signed-off-by: Steve French <sfrench@us.ibm.com>
| -rw-r--r-- | fs/cifs/sess.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index d0cb469daab7..ce698d5f6107 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -528,9 +528,11 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, rc = -EOVERFLOW; goto ssetup_exit; } - ses->server->mac_signing_key.len = msg->sesskey_len; - memcpy(ses->server->mac_signing_key.data.krb5, msg->data, - msg->sesskey_len); + if (first_time) { + ses->server->mac_signing_key.len = msg->sesskey_len; + memcpy(ses->server->mac_signing_key.data.krb5, + msg->data, msg->sesskey_len); + } pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC; capabilities |= CAP_EXTENDED_SECURITY; pSMB->req.Capabilities = cpu_to_le32(capabilities); |