64 	struct ksmbd_session *sess;  in check_session_id()  local
69 	sess = ksmbd_session_lookup_all(conn, id);  in check_session_id()
70 	if (sess)  in check_session_id()
76 struct channel *lookup_chann_list(struct ksmbd_session *sess, struct ksmbd_conn *conn)  in lookup_chann_list()  argument
78 	return xa_load(&sess->ksmbd_chann_list, (long)conn);  in lookup_chann_list()
101 	if (xa_empty(&work->sess->tree_conns)) {  in smb2_get_ksmbd_tcon()
125 	work->tcon = ksmbd_tree_conn_lookup(work->sess, tree_id);  in smb2_get_ksmbd_tcon()
594 		if (!work->sess) {  in smb2_check_user_session()
598 		if (sess_id != ULLONG_MAX && work->sess->id != sess_id) {  in smb2_check_user_session()
600 					sess_id, work->sess->id);  in smb2_check_user_session()
607 	work->sess = ksmbd_session_lookup_all(conn, sess_id);  in smb2_check_user_session()
608 	if (work->sess)  in smb2_check_user_session()
1260 static int alloc_preauth_hash(struct ksmbd_session *sess,  in alloc_preauth_hash()  argument
1263 	if (sess->Preauth_HashValue)  in alloc_preauth_hash()
1266 	sess->Preauth_HashValue = kmemdup(conn->preauth_info->Preauth_HashValue,  in alloc_preauth_hash()
1268 	if (!sess->Preauth_HashValue)  in alloc_preauth_hash()
1277 	struct ksmbd_session *sess = work->sess;  in generate_preauth_hash()  local
1286 		preauth_sess = ksmbd_preauth_session_lookup(conn, sess->id);  in generate_preauth_hash()
1288 			preauth_sess = ksmbd_preauth_session_alloc(conn, sess->id);  in generate_preauth_hash()
1295 		if (!sess->Preauth_HashValue)  in generate_preauth_hash()
1296 			if (alloc_preauth_hash(sess, conn))  in generate_preauth_hash()
1298 		preauth_hash = sess->Preauth_HashValue;  in generate_preauth_hash()
1438 	struct ksmbd_session *sess = work->sess;  in ntlm_authenticate()  local
1469 	if (prev_id && prev_id != sess->id)  in ntlm_authenticate()
1472 	if (sess->state == SMB2_SESSION_VALID) {  in ntlm_authenticate()
1482 		if (!ksmbd_compare_user(sess->user, user)) {  in ntlm_authenticate()
1488 		sess->user = user;  in ntlm_authenticate()
1491 	if (conn->binding == false && user_guest(sess->user)) {  in ntlm_authenticate()
1501 		rc = ksmbd_decode_ntlmssp_auth_blob(authblob, sz, conn, sess);  in ntlm_authenticate()
1503 			set_user_flag(sess->user, KSMBD_USER_FLAG_BAD_PASSWORD);  in ntlm_authenticate()
1514 	if (sess->state == SMB2_SESSION_VALID) {  in ntlm_authenticate()
1523 		sess->sign = true;  in ntlm_authenticate()
1527 		rc = conn->ops->generate_encryptionkey(conn, sess);  in ntlm_authenticate()
1533 		sess->enc = true;  in ntlm_authenticate()
1540 		sess->sign = false;  in ntlm_authenticate()
1545 		chann = lookup_chann_list(sess, conn);  in ntlm_authenticate()
1552 			xa_store(&sess->ksmbd_chann_list, (long)conn, chann, GFP_KERNEL);  in ntlm_authenticate()
1557 		rc = conn->ops->generate_signingkey(sess, conn);  in ntlm_authenticate()
1577 	struct ksmbd_session *sess = work->sess;  in krb5_authenticate()  local
1594 	if (prev_sess_id && prev_sess_id != sess->id)  in krb5_authenticate()
1595 		destroy_previous_session(conn, sess->user, prev_sess_id);  in krb5_authenticate()
1597 	if (sess->state == SMB2_SESSION_VALID)  in krb5_authenticate()
1598 		ksmbd_free_user(sess->user);  in krb5_authenticate()
1600 	retval = ksmbd_krb5_authenticate(sess, in_blob, in_len,  in krb5_authenticate()
1610 		sess->sign = true;  in krb5_authenticate()
1613 		retval = conn->ops->generate_encryptionkey(conn, sess);  in krb5_authenticate()
1619 		sess->enc = true;  in krb5_authenticate()
1622 		sess->sign = false;  in krb5_authenticate()
1626 		chann = lookup_chann_list(sess, conn);  in krb5_authenticate()
1633 			xa_store(&sess->ksmbd_chann_list, (long)conn, chann, GFP_KERNEL);  in krb5_authenticate()
1638 		retval = conn->ops->generate_signingkey(sess, conn);  in krb5_authenticate()
1665 	struct ksmbd_session *sess;  in smb2_sess_setup()  local
1681 		sess = ksmbd_smb2_session_create();  in smb2_sess_setup()
1682 		if (!sess) {  in smb2_sess_setup()
1686 		rsp->hdr.SessionId = cpu_to_le64(sess->id);  in smb2_sess_setup()
1687 		rc = ksmbd_session_register(conn, sess);  in smb2_sess_setup()
1695 		sess = ksmbd_session_lookup_slowpath(sess_id);  in smb2_sess_setup()
1696 		if (!sess) {  in smb2_sess_setup()
1701 		if (conn->dialect != sess->dialect) {  in smb2_sess_setup()
1711 		if (strncmp(conn->ClientGUID, sess->ClientGUID,  in smb2_sess_setup()
1717 		if (sess->state == SMB2_SESSION_IN_PROGRESS) {  in smb2_sess_setup()
1722 		if (sess->state == SMB2_SESSION_EXPIRED) {  in smb2_sess_setup()
1729 			sess = NULL;  in smb2_sess_setup()
1738 		if (user_guest(sess->user)) {  in smb2_sess_setup()
1747 		sess = NULL;  in smb2_sess_setup()
1751 		sess = ksmbd_session_lookup(conn,  in smb2_sess_setup()
1753 		if (!sess) {  in smb2_sess_setup()
1758 		if (sess->state == SMB2_SESSION_EXPIRED) {  in smb2_sess_setup()
1765 			sess = NULL;  in smb2_sess_setup()
1769 	work->sess = sess;  in smb2_sess_setup()
1808 				sess->state = SMB2_SESSION_VALID;  in smb2_sess_setup()
1810 			kfree(sess->Preauth_HashValue);  in smb2_sess_setup()
1811 			sess->Preauth_HashValue = NULL;  in smb2_sess_setup()
1826 					sess->state = SMB2_SESSION_VALID;  in smb2_sess_setup()
1832 						ksmbd_preauth_session_lookup(conn, sess->id);  in smb2_sess_setup()
1838 				kfree(sess->Preauth_HashValue);  in smb2_sess_setup()
1839 				sess->Preauth_HashValue = NULL;  in smb2_sess_setup()
1883 		if (sess) {  in smb2_sess_setup()
1892 			if (sess->user && sess->user->flags & KSMBD_USER_FLAG_DELAY_SESSION)  in smb2_sess_setup()
1895 			sess->last_active = jiffies;  in smb2_sess_setup()
1896 			sess->state = SMB2_SESSION_EXPIRED;  in smb2_sess_setup()
1932 	struct ksmbd_session *sess = work->sess;  in smb2_tree_connect()  local
1958 	status = ksmbd_tree_conn_connect(conn, sess, name);  in smb2_tree_connect()
1992 	write_lock(&sess->tree_conns_lock);  in smb2_tree_connect()
1994 	write_unlock(&sess->tree_conns_lock);  in smb2_tree_connect()
2121 	struct ksmbd_session *sess = work->sess;  in smb2_tree_disconnect()  local
2139 	write_lock(&sess->tree_conns_lock);  in smb2_tree_disconnect()
2141 		write_unlock(&sess->tree_conns_lock);  in smb2_tree_disconnect()
2149 	write_unlock(&sess->tree_conns_lock);  in smb2_tree_disconnect()
2151 	err = ksmbd_tree_conn_disconnect(sess, tcon);  in smb2_tree_disconnect()
2186 	struct ksmbd_session *sess;  in smb2_session_logoff()  local
2212 	sess = ksmbd_session_lookup_all(conn, sess_id);  in smb2_session_logoff()
2213 	if (ksmbd_tree_conn_session_logoff(sess)) {  in smb2_session_logoff()
2220 	ksmbd_destroy_file_table(&sess->file_table);  in smb2_session_logoff()
2221 	sess->state = SMB2_SESSION_EXPIRED;  in smb2_session_logoff()
2223 	ksmbd_free_user(sess->user);  in smb2_session_logoff()
2224 	sess->user = NULL;  in smb2_session_logoff()
2261 	id = ksmbd_session_rpc_open(work->sess, name);  in create_smb2_pipe()
2805 	struct ksmbd_session *sess = work->sess;  in smb2_open()  local
3151 					 sess->user->uid);  in smb2_open()
3297 			rc = smb_inherit_dacl(conn, &path, sess->user->uid,  in smb2_open()
3298 					      sess->user->gid);  in smb2_open()
3422 			rc = find_same_lease_key(sess, fp->f_ci, lc);  in smb2_open()
3666 		ksmbd_update_fstate(&work->sess->file_table, fp, FP_INITED);  in smb2_open()
4504 static int smb2_get_info_file_pipe(struct ksmbd_session *sess,  in smb2_get_info_file_pipe()  argument
4517 	if (!ksmbd_session_rpc_method(sess, id))  in smb2_get_info_file_pipe()
5176 		return smb2_get_info_file_pipe(work->sess, req, rsp,  in smb2_get_info_file()
5284 	struct ksmbd_session *sess = work->sess;  in smb2_get_info_filesystem()  local
5409 		if (!user_guest(sess->user))  in smb2_get_info_filesystem()
5410 			memcpy(info->objid, user_passkey(sess->user), 16);  in smb2_get_info_filesystem()
5647 	ksmbd_session_rpc_close(work->sess, id);  in smb2_close_pipe()
6447 	rpc_resp = ksmbd_rpc_read(work->sess, id);  in smb2_read_pipe()
6745 	rpc_resp = ksmbd_rpc_write(work->sess, id, data_buf, length);  in smb2_write_pipe()
7834 	rpc_resp = ksmbd_rpc_ioctl(work->sess, id, data_buf,  in fsctl_pipe_transceive()
8667 	if (ksmbd_sign_smb2_pdu(work->conn, work->sess->sess_key, iov, 1,  in smb2_check_sign_req()
8702 	if (!ksmbd_sign_smb2_pdu(work->conn, work->sess->sess_key, iov, n_vec,  in smb2_set_sign_rsp()
8737 		signing_key = work->sess->smb3signingkey;  in smb3_check_sign_req()
8739 		chann = lookup_chann_list(work->sess, conn);  in smb3_check_sign_req()
8786 		signing_key = work->sess->smb3signingkey;  in smb3_set_sign_rsp()
8788 		chann = lookup_chann_list(work->sess, work->conn);  in smb3_set_sign_rsp()
8821 	struct ksmbd_session *sess = work->sess;  in smb3_preauth_hash_rsp()  local
8834 	if (le16_to_cpu(rsp->Command) == SMB2_SESSION_SETUP_HE && sess) {  in smb3_preauth_hash_rsp()
8840 			preauth_sess = ksmbd_preauth_session_lookup(conn, sess->id);  in smb3_preauth_hash_rsp()
8845 			hash_value = sess->Preauth_HashValue;  in smb3_preauth_hash_rsp()
8903 	struct ksmbd_session *sess;  in smb3_decrypt_req()  local
8923 	sess = ksmbd_session_lookup_all(work->conn, le64_to_cpu(tr_hdr->SessionId));  in smb3_decrypt_req()
8924 	if (!sess) {  in smb3_decrypt_req()
8947 	struct ksmbd_session *sess = work->sess;  in smb3_11_final_sess_setup_resp()  local
8957 	    sess->user && !user_guest(sess->user) &&  in smb3_11_final_sess_setup_resp()