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samba-mirror/source3/smbd/smb2_sesssetup.c
2011-09-07 10:38:03 +02:00

813 lines
22 KiB
C

/*
Unix SMB/CIFS implementation.
Core SMB2 server
Copyright (C) Stefan Metzmacher 2009
Copyright (C) Jeremy Allison 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "smbd/smbd.h"
#include "smbd/globals.h"
#include "../libcli/smb/smb_common.h"
#include "../libcli/auth/spnego.h"
#include "../libcli/auth/ntlmssp.h"
#include "../auth/gensec/gensec.h"
#include "ntlmssp_wrap.h"
#include "../librpc/gen_ndr/krb5pac.h"
#include "libads/kerberos_proto.h"
#include "../lib/util/asn1.h"
#include "auth.h"
#include "../lib/tsocket/tsocket.h"
#include "../libcli/security/security.h"
static NTSTATUS smbd_smb2_session_setup(struct smbd_smb2_request *smb2req,
uint64_t in_session_id,
uint8_t in_security_mode,
DATA_BLOB in_security_buffer,
uint16_t *out_session_flags,
DATA_BLOB *out_security_buffer,
uint64_t *out_session_id);
NTSTATUS smbd_smb2_request_process_sesssetup(struct smbd_smb2_request *smb2req)
{
const uint8_t *inhdr;
const uint8_t *inbody;
int i = smb2req->current_idx;
uint8_t *outhdr;
DATA_BLOB outbody;
DATA_BLOB outdyn;
uint64_t in_session_id;
uint8_t in_security_mode;
uint16_t in_security_offset;
uint16_t in_security_length;
DATA_BLOB in_security_buffer;
uint16_t out_session_flags;
uint64_t out_session_id;
uint16_t out_security_offset;
DATA_BLOB out_security_buffer;
NTSTATUS status;
status = smbd_smb2_request_verify_sizes(smb2req, 0x19);
if (!NT_STATUS_IS_OK(status)) {
return smbd_smb2_request_error(smb2req, status);
}
inhdr = (const uint8_t *)smb2req->in.vector[i+0].iov_base;
inbody = (const uint8_t *)smb2req->in.vector[i+1].iov_base;
in_security_offset = SVAL(inbody, 0x0C);
in_security_length = SVAL(inbody, 0x0E);
if (in_security_offset != (SMB2_HDR_BODY + smb2req->in.vector[i+1].iov_len)) {
return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
}
if (in_security_length > smb2req->in.vector[i+2].iov_len) {
return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
}
in_session_id = BVAL(inhdr, SMB2_HDR_SESSION_ID);
in_security_mode = CVAL(inbody, 0x03);
in_security_buffer.data = (uint8_t *)smb2req->in.vector[i+2].iov_base;
in_security_buffer.length = in_security_length;
status = smbd_smb2_session_setup(smb2req,
in_session_id,
in_security_mode,
in_security_buffer,
&out_session_flags,
&out_security_buffer,
&out_session_id);
if (!NT_STATUS_IS_OK(status) &&
!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
status = nt_status_squash(status);
return smbd_smb2_request_error(smb2req, status);
}
out_security_offset = SMB2_HDR_BODY + 0x08;
outhdr = (uint8_t *)smb2req->out.vector[i].iov_base;
outbody = data_blob_talloc(smb2req->out.vector, NULL, 0x08);
if (outbody.data == NULL) {
return smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
}
SBVAL(outhdr, SMB2_HDR_SESSION_ID, out_session_id);
SSVAL(outbody.data, 0x00, 0x08 + 1); /* struct size */
SSVAL(outbody.data, 0x02,
out_session_flags); /* session flags */
SSVAL(outbody.data, 0x04,
out_security_offset); /* security buffer offset */
SSVAL(outbody.data, 0x06,
out_security_buffer.length); /* security buffer length */
outdyn = out_security_buffer;
return smbd_smb2_request_done_ex(smb2req, status, outbody, &outdyn,
__location__);
}
static int smbd_smb2_session_destructor(struct smbd_smb2_session *session)
{
if (session->sconn == NULL) {
return 0;
}
/* first free all tcons */
while (session->tcons.list) {
talloc_free(session->tcons.list);
}
idr_remove(session->sconn->smb2.sessions.idtree, session->vuid);
DLIST_REMOVE(session->sconn->smb2.sessions.list, session);
invalidate_vuid(session->sconn, session->vuid);
session->vuid = 0;
session->status = NT_STATUS_USER_SESSION_DELETED;
session->sconn = NULL;
return 0;
}
#ifdef HAVE_KRB5
static NTSTATUS smbd_smb2_session_setup_krb5(struct smbd_smb2_session *session,
struct smbd_smb2_request *smb2req,
uint8_t in_security_mode,
const DATA_BLOB *secblob,
const char *mechOID,
uint16_t *out_session_flags,
DATA_BLOB *out_security_buffer,
uint64_t *out_session_id)
{
DATA_BLOB ap_rep = data_blob_null;
DATA_BLOB ap_rep_wrapped = data_blob_null;
DATA_BLOB ticket = data_blob_null;
DATA_BLOB session_key = data_blob_null;
DATA_BLOB secblob_out = data_blob_null;
uint8 tok_id[2];
struct PAC_LOGON_INFO *logon_info = NULL;
char *principal = NULL;
char *user = NULL;
char *domain = NULL;
struct passwd *pw = NULL;
NTSTATUS status;
char *real_username;
bool username_was_mapped = false;
bool map_domainuser_to_guest = false;
if (!spnego_parse_krb5_wrap(talloc_tos(), *secblob, &ticket, tok_id)) {
status = NT_STATUS_LOGON_FAILURE;
goto fail;
}
status = ads_verify_ticket(smb2req, lp_realm(), 0, &ticket,
&principal, &logon_info, &ap_rep,
&session_key, true);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1,("smb2: Failed to verify incoming ticket with error %s!\n",
nt_errstr(status)));
if (!NT_STATUS_EQUAL(status, NT_STATUS_TIME_DIFFERENCE_AT_DC)) {
status = NT_STATUS_LOGON_FAILURE;
}
goto fail;
}
status = get_user_from_kerberos_info(talloc_tos(),
session->sconn->remote_hostname,
principal, logon_info,
&username_was_mapped,
&map_domainuser_to_guest,
&user, &domain,
&real_username, &pw);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
/* save the PAC data if we have it */
if (logon_info) {
netsamlogon_cache_store(user, &logon_info->info3);
}
/* setup the string used by %U */
sub_set_smb_name(real_username);
/* reload services so that the new %U is taken into account */
reload_services(smb2req->sconn->msg_ctx, smb2req->sconn->sock, true);
status = make_session_info_krb5(session,
user, domain, real_username, pw,
logon_info, map_domainuser_to_guest,
username_was_mapped,
&session_key,
&session->session_info);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("smb2: make_server_info_krb5 failed\n"));
goto fail;
}
if ((in_security_mode & SMB2_NEGOTIATE_SIGNING_REQUIRED) ||
lp_server_signing() == Required) {
session->do_signing = true;
}
if (security_session_user_level(session->session_info, NULL) < SECURITY_USER) {
/* we map anonymous to guest internally */
*out_session_flags |= SMB2_SESSION_FLAG_IS_GUEST;
*out_session_flags |= SMB2_SESSION_FLAG_IS_NULL;
/* force no signing */
session->do_signing = false;
}
session->session_key = session->session_info->session_key;
session->compat_vuser = talloc_zero(session, user_struct);
if (session->compat_vuser == NULL) {
status = NT_STATUS_NO_MEMORY;
goto fail;
}
session->compat_vuser->auth_ntlmssp_state = NULL;
session->compat_vuser->homes_snum = -1;
session->compat_vuser->session_info = session->session_info;
session->compat_vuser->session_keystr = NULL;
session->compat_vuser->vuid = session->vuid;
DLIST_ADD(session->sconn->smb1.sessions.validated_users, session->compat_vuser);
if (security_session_user_level(session->session_info, NULL) >= SECURITY_USER) {
session->compat_vuser->homes_snum =
register_homes_share(session->session_info->unix_info->unix_name);
}
if (!session_claim(session->sconn, session->compat_vuser)) {
DEBUG(1, ("smb2: Failed to claim session "
"for vuid=%d\n",
session->compat_vuser->vuid));
goto fail;
}
session->status = NT_STATUS_OK;
/*
* we attach the session to the request
* so that the response can be signed
*/
smb2req->session = session;
if (session->do_signing) {
smb2req->do_signing = true;
}
global_client_caps |= (CAP_LEVEL_II_OPLOCKS|CAP_STATUS32);
status = NT_STATUS_OK;
/* wrap that up in a nice GSS-API wrapping */
ap_rep_wrapped = spnego_gen_krb5_wrap(talloc_tos(), ap_rep,
TOK_ID_KRB_AP_REP);
secblob_out = spnego_gen_auth_response(
talloc_tos(),
&ap_rep_wrapped,
status,
mechOID);
*out_security_buffer = data_blob_talloc(smb2req,
secblob_out.data,
secblob_out.length);
if (secblob_out.data && out_security_buffer->data == NULL) {
status = NT_STATUS_NO_MEMORY;
goto fail;
}
data_blob_free(&ap_rep);
data_blob_free(&ap_rep_wrapped);
data_blob_free(&ticket);
data_blob_free(&session_key);
data_blob_free(&secblob_out);
*out_session_id = session->vuid;
return NT_STATUS_OK;
fail:
data_blob_free(&ap_rep);
data_blob_free(&ap_rep_wrapped);
data_blob_free(&ticket);
data_blob_free(&session_key);
data_blob_free(&secblob_out);
ap_rep_wrapped = data_blob_null;
secblob_out = spnego_gen_auth_response(
talloc_tos(),
&ap_rep_wrapped,
status,
mechOID);
*out_security_buffer = data_blob_talloc(smb2req,
secblob_out.data,
secblob_out.length);
data_blob_free(&secblob_out);
return status;
}
#endif
static NTSTATUS smbd_smb2_spnego_negotiate(struct smbd_smb2_session *session,
struct smbd_smb2_request *smb2req,
uint8_t in_security_mode,
DATA_BLOB in_security_buffer,
uint16_t *out_session_flags,
DATA_BLOB *out_security_buffer,
uint64_t *out_session_id)
{
DATA_BLOB secblob_in = data_blob_null;
DATA_BLOB chal_out = data_blob_null;
char *kerb_mech = NULL;
NTSTATUS status;
/* Ensure we have no old NTLM state around. */
TALLOC_FREE(session->auth_ntlmssp_state);
status = parse_spnego_mechanisms(talloc_tos(), in_security_buffer,
&secblob_in, &kerb_mech);
if (!NT_STATUS_IS_OK(status)) {
goto out;
}
#ifdef HAVE_KRB5
if (kerb_mech && ((lp_security()==SEC_ADS) ||
USE_KERBEROS_KEYTAB) ) {
status = smbd_smb2_session_setup_krb5(session,
smb2req,
in_security_mode,
&secblob_in,
kerb_mech,
out_session_flags,
out_security_buffer,
out_session_id);
goto out;
}
#endif
if (kerb_mech) {
/* The mechtoken is a krb5 ticket, but
* we need to fall back to NTLM. */
DEBUG(3,("smb2: Got krb5 ticket in SPNEGO "
"but set to downgrade to NTLMSSP\n"));
status = NT_STATUS_MORE_PROCESSING_REQUIRED;
} else {
/* Fall back to NTLMSSP. */
status = auth_ntlmssp_prepare(session->sconn->remote_address,
&session->auth_ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
goto out;
}
auth_ntlmssp_want_feature(session->auth_ntlmssp_state, NTLMSSP_FEATURE_SESSION_KEY);
status = auth_ntlmssp_start(session->auth_ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
goto out;
}
status = auth_ntlmssp_update(session->auth_ntlmssp_state,
talloc_tos(),
secblob_in,
&chal_out);
}
if (!NT_STATUS_IS_OK(status) &&
!NT_STATUS_EQUAL(status,
NT_STATUS_MORE_PROCESSING_REQUIRED)) {
goto out;
}
*out_security_buffer = spnego_gen_auth_response(smb2req,
&chal_out,
status,
OID_NTLMSSP);
if (out_security_buffer->data == NULL) {
status = NT_STATUS_NO_MEMORY;
goto out;
}
*out_session_id = session->vuid;
out:
data_blob_free(&secblob_in);
data_blob_free(&chal_out);
TALLOC_FREE(kerb_mech);
if (!NT_STATUS_IS_OK(status) &&
!NT_STATUS_EQUAL(status,
NT_STATUS_MORE_PROCESSING_REQUIRED)) {
TALLOC_FREE(session->auth_ntlmssp_state);
TALLOC_FREE(session);
}
return status;
}
static NTSTATUS smbd_smb2_common_ntlmssp_auth_return(struct smbd_smb2_session *session,
struct smbd_smb2_request *smb2req,
uint8_t in_security_mode,
DATA_BLOB in_security_buffer,
uint16_t *out_session_flags,
uint64_t *out_session_id)
{
if ((in_security_mode & SMB2_NEGOTIATE_SIGNING_REQUIRED) ||
lp_server_signing() == Required) {
session->do_signing = true;
}
if (security_session_user_level(session->session_info, NULL) < SECURITY_USER) {
/* we map anonymous to guest internally */
*out_session_flags |= SMB2_SESSION_FLAG_IS_GUEST;
*out_session_flags |= SMB2_SESSION_FLAG_IS_NULL;
/* force no signing */
session->do_signing = false;
}
session->session_key = session->session_info->session_key;
session->compat_vuser = talloc_zero(session, user_struct);
if (session->compat_vuser == NULL) {
TALLOC_FREE(session->auth_ntlmssp_state);
TALLOC_FREE(session);
return NT_STATUS_NO_MEMORY;
}
session->compat_vuser->auth_ntlmssp_state = session->auth_ntlmssp_state;
session->compat_vuser->homes_snum = -1;
session->compat_vuser->session_info = session->session_info;
session->compat_vuser->session_keystr = NULL;
session->compat_vuser->vuid = session->vuid;
DLIST_ADD(session->sconn->smb1.sessions.validated_users, session->compat_vuser);
if (security_session_user_level(session->session_info, NULL) >= SECURITY_USER) {
session->compat_vuser->homes_snum =
register_homes_share(session->session_info->unix_info->unix_name);
}
if (!session_claim(session->sconn, session->compat_vuser)) {
DEBUG(1, ("smb2: Failed to claim session "
"for vuid=%d\n",
session->compat_vuser->vuid));
TALLOC_FREE(session->auth_ntlmssp_state);
TALLOC_FREE(session);
return NT_STATUS_LOGON_FAILURE;
}
session->status = NT_STATUS_OK;
/*
* we attach the session to the request
* so that the response can be signed
*/
smb2req->session = session;
if (session->do_signing) {
smb2req->do_signing = true;
}
global_client_caps |= (CAP_LEVEL_II_OPLOCKS|CAP_STATUS32);
*out_session_id = session->vuid;
return NT_STATUS_OK;
}
static NTSTATUS smbd_smb2_spnego_auth(struct smbd_smb2_session *session,
struct smbd_smb2_request *smb2req,
uint8_t in_security_mode,
DATA_BLOB in_security_buffer,
uint16_t *out_session_flags,
DATA_BLOB *out_security_buffer,
uint64_t *out_session_id)
{
DATA_BLOB auth = data_blob_null;
DATA_BLOB auth_out = data_blob_null;
NTSTATUS status;
if (!spnego_parse_auth(talloc_tos(), in_security_buffer, &auth)) {
TALLOC_FREE(session);
return NT_STATUS_LOGON_FAILURE;
}
if (auth.data[0] == ASN1_APPLICATION(0)) {
/* Might be a second negTokenTarg packet */
DATA_BLOB secblob_in = data_blob_null;
char *kerb_mech = NULL;
status = parse_spnego_mechanisms(talloc_tos(),
in_security_buffer,
&secblob_in, &kerb_mech);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(session);
return status;
}
#ifdef HAVE_KRB5
if (kerb_mech && ((lp_security()==SEC_ADS) ||
USE_KERBEROS_KEYTAB) ) {
status = smbd_smb2_session_setup_krb5(session,
smb2req,
in_security_mode,
&secblob_in,
kerb_mech,
out_session_flags,
out_security_buffer,
out_session_id);
data_blob_free(&secblob_in);
TALLOC_FREE(kerb_mech);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(session);
}
return status;
}
#endif
/* Can't blunder into NTLMSSP auth if we have
* a krb5 ticket. */
if (kerb_mech) {
DEBUG(3,("smb2: network "
"misconfiguration, client sent us a "
"krb5 ticket and kerberos security "
"not enabled\n"));
TALLOC_FREE(session);
data_blob_free(&secblob_in);
TALLOC_FREE(kerb_mech);
return NT_STATUS_LOGON_FAILURE;
}
data_blob_free(&secblob_in);
}
if (session->auth_ntlmssp_state == NULL) {
status = auth_ntlmssp_prepare(session->sconn->remote_address,
&session->auth_ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
data_blob_free(&auth);
TALLOC_FREE(session);
return status;
}
auth_ntlmssp_want_feature(session->auth_ntlmssp_state, NTLMSSP_FEATURE_SESSION_KEY);
status = auth_ntlmssp_start(session->auth_ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
data_blob_free(&auth);
TALLOC_FREE(session);
return status;
}
}
status = auth_ntlmssp_update(session->auth_ntlmssp_state,
talloc_tos(), auth,
&auth_out);
/* If status is NT_STATUS_OK then we need to get the token.
* Map to guest is now internal to auth_ntlmssp */
if (NT_STATUS_IS_OK(status)) {
status = auth_ntlmssp_session_info(session,
session->auth_ntlmssp_state,
&session->session_info);
}
if (!NT_STATUS_IS_OK(status) &&
!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
TALLOC_FREE(session->auth_ntlmssp_state);
data_blob_free(&auth);
TALLOC_FREE(session);
return status;
}
data_blob_free(&auth);
*out_security_buffer = spnego_gen_auth_response(smb2req,
&auth_out, status, NULL);
if (out_security_buffer->data == NULL) {
TALLOC_FREE(session->auth_ntlmssp_state);
TALLOC_FREE(session);
return NT_STATUS_NO_MEMORY;
}
*out_session_id = session->vuid;
if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
return NT_STATUS_MORE_PROCESSING_REQUIRED;
}
/* We're done - claim the session. */
return smbd_smb2_common_ntlmssp_auth_return(session,
smb2req,
in_security_mode,
in_security_buffer,
out_session_flags,
out_session_id);
}
static NTSTATUS smbd_smb2_raw_ntlmssp_auth(struct smbd_smb2_session *session,
struct smbd_smb2_request *smb2req,
uint8_t in_security_mode,
DATA_BLOB in_security_buffer,
uint16_t *out_session_flags,
DATA_BLOB *out_security_buffer,
uint64_t *out_session_id)
{
NTSTATUS status;
if (session->auth_ntlmssp_state == NULL) {
status = auth_ntlmssp_prepare(session->sconn->remote_address,
&session->auth_ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(session);
return status;
}
auth_ntlmssp_want_feature(session->auth_ntlmssp_state, NTLMSSP_FEATURE_SESSION_KEY);
if (session->sconn->use_gensec_hook) {
status = auth_generic_start(session->auth_ntlmssp_state, GENSEC_OID_SPNEGO);
} else {
status = auth_ntlmssp_start(session->auth_ntlmssp_state);
}
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(session);
return status;
}
}
/* RAW NTLMSSP */
status = auth_ntlmssp_update(session->auth_ntlmssp_state,
smb2req,
in_security_buffer,
out_security_buffer);
if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
*out_session_id = session->vuid;
return status;
}
status = auth_ntlmssp_session_info(session,
session->auth_ntlmssp_state,
&session->session_info);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(session->auth_ntlmssp_state);
TALLOC_FREE(session);
return status;
}
*out_session_id = session->vuid;
return smbd_smb2_common_ntlmssp_auth_return(session,
smb2req,
in_security_mode,
in_security_buffer,
out_session_flags,
out_session_id);
}
static NTSTATUS smbd_smb2_session_setup(struct smbd_smb2_request *smb2req,
uint64_t in_session_id,
uint8_t in_security_mode,
DATA_BLOB in_security_buffer,
uint16_t *out_session_flags,
DATA_BLOB *out_security_buffer,
uint64_t *out_session_id)
{
struct smbd_smb2_session *session;
*out_session_flags = 0;
*out_session_id = 0;
if (in_session_id == 0) {
int id;
/* create a new session */
session = talloc_zero(smb2req->sconn, struct smbd_smb2_session);
if (session == NULL) {
return NT_STATUS_NO_MEMORY;
}
session->status = NT_STATUS_MORE_PROCESSING_REQUIRED;
id = idr_get_new_random(smb2req->sconn->smb2.sessions.idtree,
session,
smb2req->sconn->smb2.sessions.limit);
if (id == -1) {
return NT_STATUS_INSUFFICIENT_RESOURCES;
}
session->vuid = id;
session->tcons.idtree = idr_init(session);
if (session->tcons.idtree == NULL) {
return NT_STATUS_NO_MEMORY;
}
session->tcons.limit = 0x0000FFFE;
session->tcons.list = NULL;
DLIST_ADD_END(smb2req->sconn->smb2.sessions.list, session,
struct smbd_smb2_session *);
session->sconn = smb2req->sconn;
talloc_set_destructor(session, smbd_smb2_session_destructor);
} else {
void *p;
/* lookup an existing session */
p = idr_find(smb2req->sconn->smb2.sessions.idtree, in_session_id);
if (p == NULL) {
return NT_STATUS_USER_SESSION_DELETED;
}
session = talloc_get_type_abort(p, struct smbd_smb2_session);
}
if (NT_STATUS_IS_OK(session->status)) {
return NT_STATUS_REQUEST_NOT_ACCEPTED;
}
/* Handle either raw NTLMSSP or hand off the whole blob to
* GENSEC. The processing at this layer is essentially
* identical regardless. In particular, both rely only on the
* status code (not the contents of the packet) and do not
* wrap the result */
if (session->sconn->use_gensec_hook
|| ntlmssp_blob_matches_magic(&in_security_buffer)) {
return smbd_smb2_raw_ntlmssp_auth(session,
smb2req,
in_security_mode,
in_security_buffer,
out_session_flags,
out_security_buffer,
out_session_id);
} else if (in_security_buffer.data[0] == ASN1_APPLICATION(0)) {
return smbd_smb2_spnego_negotiate(session,
smb2req,
in_security_mode,
in_security_buffer,
out_session_flags,
out_security_buffer,
out_session_id);
} else if (in_security_buffer.data[0] == ASN1_CONTEXT(1)) {
return smbd_smb2_spnego_auth(session,
smb2req,
in_security_mode,
in_security_buffer,
out_session_flags,
out_security_buffer,
out_session_id);
}
/* Unknown packet type. */
DEBUG(1,("Unknown packet type %u in smb2 sessionsetup\n",
(unsigned int)in_security_buffer.data[0] ));
TALLOC_FREE(session->auth_ntlmssp_state);
TALLOC_FREE(session);
return NT_STATUS_LOGON_FAILURE;
}
NTSTATUS smbd_smb2_request_process_logoff(struct smbd_smb2_request *req)
{
NTSTATUS status;
DATA_BLOB outbody;
status = smbd_smb2_request_verify_sizes(req, 0x04);
if (!NT_STATUS_IS_OK(status)) {
return smbd_smb2_request_error(req, status);
}
/*
* TODO: cancel all outstanding requests on the session
* and delete all tree connections.
*/
smbd_smb2_session_destructor(req->session);
/*
* we may need to sign the response, so we need to keep
* the session until the response is sent to the wire.
*/
talloc_steal(req, req->session);
outbody = data_blob_talloc(req->out.vector, NULL, 0x04);
if (outbody.data == NULL) {
return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
}
SSVAL(outbody.data, 0x00, 0x04); /* struct size */
SSVAL(outbody.data, 0x02, 0); /* reserved */
return smbd_smb2_request_done(req, outbody, NULL);
}