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-rw-r--r--source3/smbd/password.c37
-rw-r--r--source3/smbd/sesssetup.c75
2 files changed, 94 insertions, 18 deletions
diff --git a/source3/smbd/password.c b/source3/smbd/password.c
index 2ee8c1232e..9ee721089c 100644
--- a/source3/smbd/password.c
+++ b/source3/smbd/password.c
@@ -47,7 +47,31 @@ user_struct *get_valid_user_struct(uint16 vuid)
return NULL;
for (usp=validated_users;usp;usp=usp->next,count++) {
- if (vuid == usp->vuid) {
+ if (vuid == usp->vuid && usp->server_info) {
+ if (count > 10) {
+ DLIST_PROMOTE(validated_users, usp);
+ }
+ return usp;
+ }
+ }
+
+ return NULL;
+}
+
+/****************************************************************************
+ Get the user struct of a partial NTLMSSP login
+****************************************************************************/
+
+user_struct *get_partial_auth_user_struct(uint16 vuid)
+{
+ user_struct *usp;
+ int count=0;
+
+ if (vuid == UID_FIELD_INVALID)
+ return NULL;
+
+ for (usp=validated_users;usp;usp=usp->next,count++) {
+ if (vuid == usp->vuid && !usp->server_info) {
if (count > 10) {
DLIST_PROMOTE(validated_users, usp);
}
@@ -159,6 +183,17 @@ int register_vuid(auth_serversupplied_info *server_info, DATA_BLOB session_key,
vuser->vuid = next_vuid;
+ if (!server_info) {
+ next_vuid++;
+ num_validated_vuids++;
+
+ vuser->server_info = NULL;
+
+ DLIST_ADD(validated_users, vuser);
+
+ return vuser->vuid;
+ }
+
/* the next functions should be done by a SID mapping system (SMS) as
* the new real sam db won't have reference to unix uids or gids
*/
diff --git a/source3/smbd/sesssetup.c b/source3/smbd/sesssetup.c
index 1ddd6256b3..8586ac1324 100644
--- a/source3/smbd/sesssetup.c
+++ b/source3/smbd/sesssetup.c
@@ -25,8 +25,6 @@
uint32 global_client_caps = 0;
-static struct auth_ntlmssp_state *global_ntlmssp_state;
-
/*
on a logon error possibly map the error to success if "map to guest"
is set approriately
@@ -353,6 +351,7 @@ static int reply_spnego_kerberos(connection_struct *conn,
***************************************************************************/
static BOOL reply_spnego_ntlmssp(connection_struct *conn, char *inbuf, char *outbuf,
+ uint16 vuid,
AUTH_NTLMSSP_STATE **auth_ntlmssp_state,
DATA_BLOB *ntlmssp_blob, NTSTATUS nt_status)
{
@@ -416,6 +415,8 @@ static BOOL reply_spnego_ntlmssp(connection_struct *conn, char *inbuf, char *out
if (!ret || !NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
auth_ntlmssp_end(auth_ntlmssp_state);
+ /* Kill the intermediate vuid */
+ invalidate_vuid(vuid);
}
return ret;
@@ -428,8 +429,10 @@ static BOOL reply_spnego_ntlmssp(connection_struct *conn, char *inbuf, char *out
static int reply_spnego_negotiate(connection_struct *conn,
char *inbuf,
char *outbuf,
+ uint16 vuid,
int length, int bufsize,
- DATA_BLOB blob1)
+ DATA_BLOB blob1,
+ AUTH_NTLMSSP_STATE **auth_ntlmssp_state)
{
char *OIDs[ASN1_MAX_OIDS];
DATA_BLOB secblob;
@@ -442,6 +445,9 @@ static int reply_spnego_negotiate(connection_struct *conn,
/* parse out the OIDs and the first sec blob */
if (!parse_negTokenTarg(blob1, OIDs, &secblob)) {
+ /* Kill the intermediate vuid */
+ invalidate_vuid(vuid);
+
return ERROR_NT(NT_STATUS_LOGON_FAILURE);
}
@@ -473,25 +479,31 @@ static int reply_spnego_negotiate(connection_struct *conn,
int ret = reply_spnego_kerberos(conn, inbuf, outbuf,
length, bufsize, &secblob);
data_blob_free(&secblob);
+ /* Kill the intermediate vuid */
+ invalidate_vuid(vuid);
+
return ret;
}
#endif
- if (global_ntlmssp_state) {
- auth_ntlmssp_end(&global_ntlmssp_state);
+ if (*auth_ntlmssp_state) {
+ auth_ntlmssp_end(auth_ntlmssp_state);
}
- nt_status = auth_ntlmssp_start(&global_ntlmssp_state);
+ nt_status = auth_ntlmssp_start(auth_ntlmssp_state);
if (!NT_STATUS_IS_OK(nt_status)) {
+ /* Kill the intermediate vuid */
+ invalidate_vuid(vuid);
+
return ERROR_NT(nt_status);
}
- nt_status = auth_ntlmssp_update(global_ntlmssp_state,
+ nt_status = auth_ntlmssp_update(*auth_ntlmssp_state,
secblob, &chal);
data_blob_free(&secblob);
- reply_spnego_ntlmssp(conn, inbuf, outbuf, &global_ntlmssp_state,
+ reply_spnego_ntlmssp(conn, inbuf, outbuf, vuid, auth_ntlmssp_state,
&chal, nt_status);
data_blob_free(&chal);
@@ -505,8 +517,10 @@ static int reply_spnego_negotiate(connection_struct *conn,
****************************************************************************/
static int reply_spnego_auth(connection_struct *conn, char *inbuf, char *outbuf,
+ uint16 vuid,
int length, int bufsize,
- DATA_BLOB blob1)
+ DATA_BLOB blob1,
+ AUTH_NTLMSSP_STATE **auth_ntlmssp_state)
{
DATA_BLOB auth, auth_reply;
NTSTATUS nt_status = NT_STATUS_INVALID_PARAMETER;
@@ -515,20 +529,27 @@ static int reply_spnego_auth(connection_struct *conn, char *inbuf, char *outbuf,
#if 0
file_save("auth.dat", blob1.data, blob1.length);
#endif
+ /* Kill the intermediate vuid */
+ invalidate_vuid(vuid);
+
return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
- if (!global_ntlmssp_state) {
+ if (!*auth_ntlmssp_state) {
+ /* Kill the intermediate vuid */
+ invalidate_vuid(vuid);
+
/* auth before negotiatiate? */
return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
- nt_status = auth_ntlmssp_update(global_ntlmssp_state,
- auth, &auth_reply);
+ nt_status = auth_ntlmssp_update(*auth_ntlmssp_state,
+ auth, &auth_reply);
data_blob_free(&auth);
- reply_spnego_ntlmssp(conn, inbuf, outbuf, &global_ntlmssp_state,
+ reply_spnego_ntlmssp(conn, inbuf, outbuf, vuid,
+ auth_ntlmssp_state,
&auth_reply, nt_status);
data_blob_free(&auth_reply);
@@ -553,6 +574,8 @@ static int reply_sesssetup_and_X_spnego(connection_struct *conn, char *inbuf,
char *p2;
uint16 data_blob_len = SVAL(inbuf, smb_vwv7);
enum remote_arch_types ra_type = get_remote_arch();
+ int vuid = SVAL(inbuf,smb_uid);
+ user_struct *vuser = NULL;
DEBUG(3,("Doing spnego session setup\n"));
@@ -597,16 +620,34 @@ static int reply_sesssetup_and_X_spnego(connection_struct *conn, char *inbuf,
ra_lanman_string( native_lanman );
}
+ vuser = get_partial_auth_user_struct(vuid);
+ if (!vuser) {
+ vuid = register_vuid(NULL, data_blob(NULL, 0), data_blob(NULL, 0), NULL);
+ if (vuid == -1) {
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ vuser = get_partial_auth_user_struct(vuid);
+ }
+
+ if (!vuser) {
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ SSVAL(outbuf,smb_uid,vuid);
+
if (blob1.data[0] == ASN1_APPLICATION(0)) {
/* its a negTokenTarg packet */
- ret = reply_spnego_negotiate(conn, inbuf, outbuf, length, bufsize, blob1);
+ ret = reply_spnego_negotiate(conn, inbuf, outbuf, vuid, length, bufsize, blob1,
+ &vuser->auth_ntlmssp_state);
data_blob_free(&blob1);
return ret;
}
if (blob1.data[0] == ASN1_CONTEXT(1)) {
/* its a auth packet */
- ret = reply_spnego_auth(conn, inbuf, outbuf, length, bufsize, blob1);
+ ret = reply_spnego_auth(conn, inbuf, outbuf, vuid, length, bufsize, blob1,
+ &vuser->auth_ntlmssp_state);
data_blob_free(&blob1);
return ret;
}
@@ -682,7 +723,7 @@ int reply_sesssetup_and_X(connection_struct *conn, char *inbuf,char *outbuf,
(SVAL(inbuf, smb_flg2) & FLAGS2_EXTENDED_SECURITY)) {
if (!global_spnego_negotiated) {
DEBUG(0,("reply_sesssetup_and_X: Rejecting attempt at SPNEGO session setup when it was not negoitiated.\n"));
- return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
+ return ERROR_NT(NT_STATUS_LOGON_FAILURE);
}
if (SVAL(inbuf,smb_vwv4) == 0) {
@@ -843,7 +884,7 @@ int reply_sesssetup_and_X(connection_struct *conn, char *inbuf,char *outbuf,
/* This has to be here, because this is a perfectly valid behaviour for guest logons :-( */
DEBUG(0,("reply_sesssetup_and_X: Rejecting attempt at 'normal' session setup after negotiating spnego.\n"));
- return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
+ return ERROR_NT(NT_STATUS_LOGON_FAILURE);
}
fstrcpy(sub_user, user);