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path: root/fs/smb/server/smb2pdu.c
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Diffstat (limited to 'fs/smb/server/smb2pdu.c')
-rw-r--r--fs/smb/server/smb2pdu.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index d31926194ebf..38738b430e11 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -1322,9 +1322,8 @@ static int decode_negotiation_token(struct ksmbd_conn *conn,
static int ntlm_negotiate(struct ksmbd_work *work,
struct negotiate_message *negblob,
- size_t negblob_len)
+ size_t negblob_len, struct smb2_sess_setup_rsp *rsp)
{
- struct smb2_sess_setup_rsp *rsp = smb2_get_msg(work->response_buf);
struct challenge_message *chgblob;
unsigned char *spnego_blob = NULL;
u16 spnego_blob_len;
@@ -1429,10 +1428,10 @@ static struct ksmbd_user *session_user(struct ksmbd_conn *conn,
return user;
}
-static int ntlm_authenticate(struct ksmbd_work *work)
+static int ntlm_authenticate(struct ksmbd_work *work,
+ struct smb2_sess_setup_req *req,
+ struct smb2_sess_setup_rsp *rsp)
{
- struct smb2_sess_setup_req *req = smb2_get_msg(work->request_buf);
- struct smb2_sess_setup_rsp *rsp = smb2_get_msg(work->response_buf);
struct ksmbd_conn *conn = work->conn;
struct ksmbd_session *sess = work->sess;
struct channel *chann = NULL;
@@ -1566,10 +1565,10 @@ binding_session:
}
#ifdef CONFIG_SMB_SERVER_KERBEROS5
-static int krb5_authenticate(struct ksmbd_work *work)
+static int krb5_authenticate(struct ksmbd_work *work,
+ struct smb2_sess_setup_req *req,
+ struct smb2_sess_setup_rsp *rsp)
{
- struct smb2_sess_setup_req *req = smb2_get_msg(work->request_buf);
- struct smb2_sess_setup_rsp *rsp = smb2_get_msg(work->response_buf);
struct ksmbd_conn *conn = work->conn;
struct ksmbd_session *sess = work->sess;
char *in_blob, *out_blob;
@@ -1647,7 +1646,9 @@ static int krb5_authenticate(struct ksmbd_work *work)
return 0;
}
#else
-static int krb5_authenticate(struct ksmbd_work *work)
+static int krb5_authenticate(struct ksmbd_work *work,
+ struct smb2_sess_setup_req *req,
+ struct smb2_sess_setup_rsp *rsp)
{
return -EOPNOTSUPP;
}
@@ -1656,8 +1657,8 @@ static int krb5_authenticate(struct ksmbd_work *work)
int smb2_sess_setup(struct ksmbd_work *work)
{
struct ksmbd_conn *conn = work->conn;
- struct smb2_sess_setup_req *req = smb2_get_msg(work->request_buf);
- struct smb2_sess_setup_rsp *rsp = smb2_get_msg(work->response_buf);
+ struct smb2_sess_setup_req *req;
+ struct smb2_sess_setup_rsp *rsp;
struct ksmbd_session *sess;
struct negotiate_message *negblob;
unsigned int negblob_len, negblob_off;
@@ -1665,6 +1666,8 @@ int smb2_sess_setup(struct ksmbd_work *work)
ksmbd_debug(SMB, "Received request for session setup\n");
+ WORK_BUFFERS(work, req, rsp);
+
rsp->StructureSize = cpu_to_le16(9);
rsp->SessionFlags = 0;
rsp->SecurityBufferOffset = cpu_to_le16(72);
@@ -1786,7 +1789,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
if (conn->preferred_auth_mech &
(KSMBD_AUTH_KRB5 | KSMBD_AUTH_MSKRB5)) {
- rc = krb5_authenticate(work);
+ rc = krb5_authenticate(work, req, rsp);
if (rc) {
rc = -EINVAL;
goto out_err;
@@ -1800,7 +1803,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
sess->Preauth_HashValue = NULL;
} else if (conn->preferred_auth_mech == KSMBD_AUTH_NTLMSSP) {
if (negblob->MessageType == NtLmNegotiate) {
- rc = ntlm_negotiate(work, negblob, negblob_len);
+ rc = ntlm_negotiate(work, negblob, negblob_len, rsp);
if (rc)
goto out_err;
rsp->hdr.Status =
@@ -1813,7 +1816,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
le16_to_cpu(rsp->SecurityBufferLength) - 1);
} else if (negblob->MessageType == NtLmAuthenticate) {
- rc = ntlm_authenticate(work);
+ rc = ntlm_authenticate(work, req, rsp);
if (rc)
goto out_err;