#include "auth.h"
#include "../lib/tsocket/tsocket.h"
#include "../libcli/security/security.h"
+#include "../lib/util/tevent_ntstatus.h"
-static NTSTATUS smbd_smb2_session_setup(struct smbd_smb2_request *smb2req,
+static struct tevent_req *smbd_smb2_session_setup_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbd_smb2_request *smb2req,
uint64_t in_session_id,
+ uint8_t in_flags,
uint8_t in_security_mode,
uint64_t in_previous_session_id,
- DATA_BLOB in_security_buffer,
+ DATA_BLOB in_security_buffer);
+static NTSTATUS smbd_smb2_session_setup_recv(struct tevent_req *req,
uint16_t *out_session_flags,
+ TALLOC_CTX *mem_ctx,
DATA_BLOB *out_security_buffer,
uint64_t *out_session_id);
+static void smbd_smb2_request_sesssetup_done(struct tevent_req *subreq);
+
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_flags;
uint8_t in_security_mode;
uint64_t in_previous_session_id;
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 = data_blob_null;
NTSTATUS status;
+ struct tevent_req *subreq;
status = smbd_smb2_request_verify_sizes(smb2req, 0x19);
if (!NT_STATUS_IS_OK(status)) {
in_session_id = BVAL(inhdr, SMB2_HDR_SESSION_ID);
- /* Flags = CVAL(inbody, 0x02); */
+ in_flags = CVAL(inbody, 0x02);
in_security_mode = CVAL(inbody, 0x03);
/* Capabilities = IVAL(inbody, 0x04) */
/* Channel = IVAL(inbody, 0x08) */
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_previous_session_id,
- in_security_buffer,
- &out_session_flags,
- &out_security_buffer,
- &out_session_id);
+ subreq = smbd_smb2_session_setup_send(smb2req,
+ smb2req->sconn->ev_ctx,
+ smb2req,
+ in_session_id,
+ in_flags,
+ in_security_mode,
+ in_previous_session_id,
+ in_security_buffer);
+ if (subreq == NULL) {
+ return smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
+ }
+ tevent_req_set_callback(subreq, smbd_smb2_request_sesssetup_done, smb2req);
+
+ return smbd_smb2_request_pending_queue(smb2req, subreq, 500);
+}
+
+static void smbd_smb2_request_sesssetup_done(struct tevent_req *subreq)
+{
+ struct smbd_smb2_request *smb2req =
+ tevent_req_callback_data(subreq,
+ struct smbd_smb2_request);
+ int i = smb2req->current_idx;
+ uint8_t *outhdr;
+ DATA_BLOB outbody;
+ DATA_BLOB outdyn;
+ uint16_t out_session_flags;
+ uint64_t out_session_id;
+ uint16_t out_security_offset;
+ DATA_BLOB out_security_buffer = data_blob_null;
+ NTSTATUS status;
+ NTSTATUS error; /* transport error */
+
+ status = smbd_smb2_session_setup_recv(subreq,
+ &out_session_flags,
+ smb2req,
+ &out_security_buffer,
+ &out_session_id);
+ TALLOC_FREE(subreq);
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);
+ error = smbd_smb2_request_error(smb2req, status);
+ if (!NT_STATUS_IS_OK(error)) {
+ smbd_server_connection_terminate(smb2req->sconn,
+ nt_errstr(error));
+ return;
+ }
+ return;
}
out_security_offset = SMB2_HDR_BODY + 0x08;
outbody = data_blob_talloc(smb2req->out.vector, NULL, 0x08);
if (outbody.data == NULL) {
- return smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
+ error = smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
+ if (!NT_STATUS_IS_OK(error)) {
+ smbd_server_connection_terminate(smb2req->sconn,
+ nt_errstr(error));
+ return;
+ }
+ return;
}
SBVAL(outhdr, SMB2_HDR_SESSION_ID, out_session_id);
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;
- }
-
- file_close_user(session->sconn, session->vuid);
-
- /* first free all tcons */
- while (session->tcons.list) {
- talloc_free(session->tcons.list);
+ error = smbd_smb2_request_done_ex(smb2req, status, outbody, &outdyn,
+ __location__);
+ if (!NT_STATUS_IS_OK(error)) {
+ smbd_server_connection_terminate(smb2req->sconn,
+ nt_errstr(error));
+ return;
}
-
- 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;
}
-static NTSTATUS smbd_smb2_auth_generic_return(struct smbd_smb2_session *session,
+static NTSTATUS smbd_smb2_auth_generic_return(struct smbXsrv_session *session,
struct smbd_smb2_request *smb2req,
uint8_t in_security_mode,
- uint64_t in_previous_session_id,
- DATA_BLOB in_security_buffer,
+ struct auth_session_info *session_info,
uint16_t *out_session_flags,
uint64_t *out_session_id)
{
+ NTSTATUS status;
bool guest = false;
+ uint8_t session_key[16];
+ struct smbXsrv_session *x = session;
+ struct smbXsrv_connection *conn = session->connection;
if ((in_security_mode & SMB2_NEGOTIATE_SIGNING_REQUIRED) ||
lp_server_signing() == SMB_SIGNING_REQUIRED) {
- session->do_signing = true;
+ x->global->signing_required = true;
}
- if (security_session_user_level(session->session_info, NULL) < SECURITY_USER) {
+ if (security_session_user_level(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;
+ x->global->signing_required = false;
guest = true;
}
- session->session_key = session->session_info->session_key;
+ ZERO_STRUCT(session_key);
+ memcpy(session_key, session_info->session_key.data,
+ MIN(session_info->session_key.length, sizeof(session_key)));
- session->compat_vuser = talloc_zero(session, user_struct);
- if (session->compat_vuser == NULL) {
+ x->global->signing_key = data_blob_talloc(x->global,
+ session_key,
+ sizeof(session_key));
+ if (x->global->signing_key.data == NULL) {
+ ZERO_STRUCT(session_key);
TALLOC_FREE(session);
return NT_STATUS_NO_MEMORY;
}
- session->compat_vuser->gensec_security = session->gensec_security;
- 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->users, session->compat_vuser);
- session->sconn->num_users++;
- 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 (conn->protocol >= PROTOCOL_SMB2_24) {
+ const DATA_BLOB label = data_blob_string_const_null("SMB2AESCMAC");
+ const DATA_BLOB context = data_blob_string_const_null("SmbSign");
+
+ smb2_key_derivation(session_key, sizeof(session_key),
+ label.data, label.length,
+ context.data, context.length,
+ x->global->signing_key.data);
+ }
+
+ x->global->application_key = data_blob_dup_talloc(x->global,
+ x->global->signing_key);
+ if (x->global->application_key.data == NULL) {
+ ZERO_STRUCT(session_key);
+ TALLOC_FREE(session);
+ return NT_STATUS_NO_MEMORY;
}
- if (!session_claim(session->sconn, session->compat_vuser)) {
+ if (conn->protocol >= PROTOCOL_SMB2_24) {
+ const DATA_BLOB label = data_blob_string_const_null("SMB2APP");
+ const DATA_BLOB context = data_blob_string_const_null("SmbRpc");
+
+ smb2_key_derivation(session_key, sizeof(session_key),
+ label.data, label.length,
+ context.data, context.length,
+ x->global->application_key.data);
+ }
+ ZERO_STRUCT(session_key);
+
+ x->global->channels[0].signing_key = data_blob_dup_talloc(x->global->channels,
+ x->global->signing_key);
+ if (x->global->channels[0].signing_key.data == NULL) {
+ TALLOC_FREE(session);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ data_blob_clear_free(&session_info->session_key);
+ session_info->session_key = data_blob_dup_talloc(session_info,
+ x->global->application_key);
+ if (session_info->session_key.data == NULL) {
+ TALLOC_FREE(session);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ session->compat = talloc_zero(session, struct user_struct);
+ if (session->compat == NULL) {
+ TALLOC_FREE(session);
+ return NT_STATUS_NO_MEMORY;
+ }
+ session->compat->session = session;
+ session->compat->homes_snum = -1;
+ session->compat->session_info = session_info;
+ session->compat->session_keystr = NULL;
+ session->compat->vuid = session->global->session_wire_id;
+ DLIST_ADD(smb2req->sconn->users, session->compat);
+ smb2req->sconn->num_users++;
+
+ if (security_session_user_level(session_info, NULL) >= SECURITY_USER) {
+ session->compat->homes_snum =
+ register_homes_share(session_info->unix_info->unix_name);
+ }
+
+ if (!session_claim(smb2req->sconn, session->compat)) {
DEBUG(1, ("smb2: Failed to claim session "
- "for vuid=%d\n",
- session->compat_vuser->vuid));
+ "for vuid=%llu\n",
+ (unsigned long long)session->compat->vuid));
TALLOC_FREE(session);
return NT_STATUS_LOGON_FAILURE;
}
- set_current_user_info(session->session_info->unix_info->sanitized_username,
- session->session_info->unix_info->unix_name,
- session->session_info->info->domain_name);
+ set_current_user_info(session_info->unix_info->sanitized_username,
+ session_info->unix_info->unix_name,
+ session_info->info->domain_name);
reload_services(smb2req->sconn, conn_snum_used, true);
session->status = NT_STATUS_OK;
+ session->global->auth_session_info = session_info;
+ session->global->auth_session_info_seqnum += 1;
+ session->global->channels[0].auth_session_info_seqnum =
+ session->global->auth_session_info_seqnum;
+ session->global->expiration_time = gensec_expire_time(session->gensec);
+
+ status = smbXsrv_session_update(session);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("smb2: Failed to update session for vuid=%llu - %s\n",
+ (unsigned long long)session->compat->vuid,
+ nt_errstr(status)));
+ TALLOC_FREE(session);
+ return NT_STATUS_LOGON_FAILURE;
+ }
/*
* we attach the session to the request
global_client_caps |= (CAP_LEVEL_II_OPLOCKS|CAP_STATUS32);
- *out_session_id = session->vuid;
+ *out_session_id = session->global->session_wire_id;
return NT_STATUS_OK;
}
-static NTSTATUS smbd_smb2_auth_generic(struct smbd_smb2_session *session,
- struct smbd_smb2_request *smb2req,
- uint8_t in_security_mode,
- uint64_t in_previous_session_id,
- DATA_BLOB in_security_buffer,
- uint16_t *out_session_flags,
- DATA_BLOB *out_security_buffer,
- uint64_t *out_session_id)
+static NTSTATUS smbd_smb2_reauth_generic_return(struct smbXsrv_session *session,
+ struct smbd_smb2_request *smb2req,
+ struct auth_session_info *session_info,
+ uint16_t *out_session_flags,
+ uint64_t *out_session_id)
{
NTSTATUS status;
+ struct smbXsrv_session *x = session;
+ struct smbXsrv_connection *conn = session->connection;
+
+ data_blob_clear_free(&session_info->session_key);
+ session_info->session_key = data_blob_dup_talloc(session_info,
+ x->global->application_key);
+ if (session_info->session_key.data == NULL) {
+ TALLOC_FREE(session);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ session->compat->session_info = session_info;
+ session->compat->vuid = session->global->session_wire_id;
+
+ session->compat->homes_snum =
+ register_homes_share(session_info->unix_info->unix_name);
+
+ set_current_user_info(session_info->unix_info->sanitized_username,
+ session_info->unix_info->unix_name,
+ session_info->info->domain_name);
+
+ reload_services(smb2req->sconn, conn_snum_used, true);
- *out_security_buffer = data_blob_null;
+ session->status = NT_STATUS_OK;
+ TALLOC_FREE(session->global->auth_session_info);
+ session->global->auth_session_info = session_info;
+ session->global->auth_session_info_seqnum += 1;
+ session->global->channels[0].auth_session_info_seqnum =
+ session->global->auth_session_info_seqnum;
+ session->global->expiration_time = gensec_expire_time(session->gensec);
+
+ status = smbXsrv_session_update(session);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("smb2: Failed to update session for vuid=%llu - %s\n",
+ (unsigned long long)session->compat->vuid,
+ nt_errstr(status)));
+ TALLOC_FREE(session);
+ return NT_STATUS_LOGON_FAILURE;
+ }
+
+ conn_clear_vuid_caches(conn->sconn, session->compat->vuid);
- if (session->gensec_security == NULL) {
- status = auth_generic_prepare(session, session->sconn->remote_address,
- &session->gensec_security);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(session);
- return status;
+ /*
+ * we attach the session to the request
+ * so that the response can be signed
+ */
+ smb2req->session = session;
+ smb2req->do_signing = true;
+
+ global_client_caps |= (CAP_LEVEL_II_OPLOCKS|CAP_STATUS32);
+
+ *out_session_id = session->global->session_wire_id;
+
+ return NT_STATUS_OK;
+}
+
+struct smbd_smb2_session_setup_state {
+ struct tevent_context *ev;
+ struct smbd_smb2_request *smb2req;
+ uint64_t in_session_id;
+ uint8_t in_flags;
+ uint8_t in_security_mode;
+ uint64_t in_previous_session_id;
+ DATA_BLOB in_security_buffer;
+ struct smbXsrv_session *session;
+ struct auth_session_info *session_info;
+ uint16_t out_session_flags;
+ DATA_BLOB out_security_buffer;
+ uint64_t out_session_id;
+};
+
+static int smbd_smb2_session_setup_state_destructor(struct smbd_smb2_session_setup_state *state)
+{
+ /*
+ * if state->session is not NULL,
+ * we remove the session on failure
+ */
+ TALLOC_FREE(state->session);
+ return 0;
+}
+
+static void smbd_smb2_session_setup_gensec_done(struct tevent_req *subreq);
+static void smbd_smb2_session_setup_previous_done(struct tevent_req *subreq);
+
+static struct tevent_req *smbd_smb2_session_setup_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbd_smb2_request *smb2req,
+ uint64_t in_session_id,
+ uint8_t in_flags,
+ uint8_t in_security_mode,
+ uint64_t in_previous_session_id,
+ DATA_BLOB in_security_buffer)
+{
+ struct tevent_req *req;
+ struct smbd_smb2_session_setup_state *state;
+ NTSTATUS status;
+ NTTIME now = timeval_to_nttime(&smb2req->request_time);
+ struct tevent_req *subreq;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct smbd_smb2_session_setup_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->ev = ev;
+ state->smb2req = smb2req;
+ state->in_session_id = in_session_id;
+ state->in_flags = in_flags;
+ state->in_security_mode = in_security_mode;
+ state->in_previous_session_id = in_previous_session_id;
+ state->in_security_buffer = in_security_buffer;
+
+ talloc_set_destructor(state, smbd_smb2_session_setup_state_destructor);
+
+ if (state->in_session_id == 0) {
+ /* create a new session */
+ status = smbXsrv_session_create(state->smb2req->sconn->conn,
+ now, &state->session);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
+ } else {
+ status = smb2srv_session_lookup(state->smb2req->sconn->conn,
+ state->in_session_id, now,
+ &state->session);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_SESSION_EXPIRED)) {
+ status = NT_STATUS_OK;
+ }
+ if (NT_STATUS_IS_OK(status)) {
+ state->session->status = NT_STATUS_MORE_PROCESSING_REQUIRED;
+ status = NT_STATUS_MORE_PROCESSING_REQUIRED;
+ TALLOC_FREE(state->session->gensec);
+ }
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ if (state->session->gensec == NULL) {
+ status = auth_generic_prepare(state->session,
+ state->session->connection->remote_address,
+ &state->session->gensec);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
}
- gensec_want_feature(session->gensec_security, GENSEC_FEATURE_SESSION_KEY);
- gensec_want_feature(session->gensec_security, GENSEC_FEATURE_UNIX_TOKEN);
+ gensec_want_feature(state->session->gensec, GENSEC_FEATURE_SESSION_KEY);
+ gensec_want_feature(state->session->gensec, GENSEC_FEATURE_UNIX_TOKEN);
- status = gensec_start_mech_by_oid(session->gensec_security, GENSEC_OID_SPNEGO);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(session);
- return status;
+ status = gensec_start_mech_by_oid(state->session->gensec,
+ GENSEC_OID_SPNEGO);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
}
}
become_root();
- status = gensec_update(session->gensec_security,
- smb2req, NULL,
- in_security_buffer,
- out_security_buffer);
+ subreq = gensec_update_send(state, state->ev,
+ state->session->gensec,
+ state->in_security_buffer);
+ unbecome_root();
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, smbd_smb2_session_setup_gensec_done, req);
+
+ return req;
+}
+
+static void smbd_smb2_session_setup_gensec_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq,
+ struct tevent_req);
+ struct smbd_smb2_session_setup_state *state =
+ tevent_req_data(req,
+ struct smbd_smb2_session_setup_state);
+ NTSTATUS status;
+
+ become_root();
+ status = gensec_update_recv(subreq, state,
+ &state->out_security_buffer);
unbecome_root();
+ TALLOC_FREE(subreq);
if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(session);
- return nt_status_squash(status);
+ tevent_req_nterror(req, status);
+ return;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- *out_session_id = session->vuid;
- return status;
+ state->out_session_id = state->session->global->session_wire_id;
+ /* we want to keep the session */
+ state->session = NULL;
+ tevent_req_nterror(req, status);
+ return;
}
- status = gensec_session_info(session->gensec_security,
- session,
- &session->session_info);
+ status = gensec_session_info(state->session->gensec,
+ state->session->global,
+ &state->session_info);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(session);
- return status;
+ if ((state->in_previous_session_id != 0) &&
+ (state->session->global->session_wire_id !=
+ state->in_previous_session_id))
+ {
+ subreq = smb2srv_session_close_previous_send(state, state->ev,
+ state->session->connection,
+ state->session_info,
+ state->in_previous_session_id,
+ state->session->global->session_wire_id);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq,
+ smbd_smb2_session_setup_previous_done,
+ req);
+ return;
}
- *out_session_id = session->vuid;
- return smbd_smb2_auth_generic_return(session,
- smb2req,
- in_security_mode,
- in_previous_session_id,
- in_security_buffer,
- out_session_flags,
- out_session_id);
+ if (state->session->global->auth_session_info != NULL) {
+ status = smbd_smb2_reauth_generic_return(state->session,
+ state->smb2req,
+ state->session_info,
+ &state->out_session_flags,
+ &state->out_session_id);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ /* we want to keep the session */
+ state->session = NULL;
+ tevent_req_done(req);
+ return;
+ }
+
+ status = smbd_smb2_auth_generic_return(state->session,
+ state->smb2req,
+ state->in_security_mode,
+ state->session_info,
+ &state->out_session_flags,
+ &state->out_session_id);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ /* we want to keep the session */
+ state->session = NULL;
+ tevent_req_done(req);
+ return;
}
-static NTSTATUS smbd_smb2_session_setup(struct smbd_smb2_request *smb2req,
- uint64_t in_session_id,
- uint8_t in_security_mode,
- uint64_t in_previous_session_id,
- DATA_BLOB in_security_buffer,
- uint16_t *out_session_flags,
- DATA_BLOB *out_security_buffer,
- uint64_t *out_session_id)
+static void smbd_smb2_session_setup_previous_done(struct tevent_req *subreq)
{
- struct smbd_smb2_session *session;
-
- *out_session_flags = 0;
- *out_session_id = 0;
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq,
+ struct tevent_req);
+ struct smbd_smb2_session_setup_state *state =
+ tevent_req_data(req,
+ struct smbd_smb2_session_setup_state);
+ NTSTATUS status;
- if (in_session_id == 0) {
- int id;
+ status = smb2srv_session_close_previous_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
- /* 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;
+ if (state->session->global->auth_session_info != NULL) {
+ status = smbd_smb2_reauth_generic_return(state->session,
+ state->smb2req,
+ state->session_info,
+ &state->out_session_flags,
+ &state->out_session_id);
+ if (tevent_req_nterror(req, status)) {
+ return;
}
- session->vuid = id;
+ /* we want to keep the session */
+ state->session = NULL;
+ tevent_req_done(req);
+ return;
+ }
- session->tcons.idtree = idr_init(session);
- if (session->tcons.idtree == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- session->tcons.limit = 0x0000FFFE;
- session->tcons.list = NULL;
+ status = smbd_smb2_auth_generic_return(state->session,
+ state->smb2req,
+ state->in_security_mode,
+ state->session_info,
+ &state->out_session_flags,
+ &state->out_session_id);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
- 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;
+ /* we want to keep the session */
+ state->session = NULL;
+ tevent_req_done(req);
+ return;
+}
+
+static NTSTATUS smbd_smb2_session_setup_recv(struct tevent_req *req,
+ uint16_t *out_session_flags,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *out_security_buffer,
+ uint64_t *out_session_id)
+{
+ struct smbd_smb2_session_setup_state *state =
+ tevent_req_data(req,
+ struct smbd_smb2_session_setup_state);
+ NTSTATUS status;
- /* lookup an existing session */
- p = idr_find(smb2req->sconn->smb2.sessions.idtree, in_session_id);
- if (p == NULL) {
- return NT_STATUS_USER_SESSION_DELETED;
+ if (tevent_req_is_nterror(req, &status)) {
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ tevent_req_received(req);
+ return nt_status_squash(status);
}
- session = talloc_get_type_abort(p, struct smbd_smb2_session);
+ } else {
+ status = NT_STATUS_OK;
}
- if (NT_STATUS_IS_OK(session->status)) {
- return NT_STATUS_REQUEST_NOT_ACCEPTED;
- }
+ *out_session_flags = state->out_session_flags;
+ *out_security_buffer = state->out_security_buffer;
+ *out_session_id = state->out_session_id;
- return smbd_smb2_auth_generic(session,
- smb2req,
- in_security_mode,
- in_previous_session_id,
- in_security_buffer,
- out_session_flags,
- out_security_buffer,
- out_session_id);
+ talloc_steal(mem_ctx, out_security_buffer->data);
+ tevent_req_received(req);
+ return status;
}
NTSTATUS smbd_smb2_request_process_logoff(struct smbd_smb2_request *req)
/*
* TODO: cancel all outstanding requests on the session
- * and delete all tree connections.
*/
- smbd_smb2_session_destructor(req->session);
+ status = smbXsrv_session_logoff(req->session);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("smbd_smb2_request_process_logoff: "
+ "smbXsrv_session_logoff() failed: %s\n",
+ nt_errstr(status)));
+ /*
+ * If we hit this case, there is something completely
+ * wrong, so we better disconnect the transport connection.
+ */
+ return status;
+ }
+
/*
* we may need to sign the response, so we need to keep
* the session until the response is sent to the wire.