1 // SPDX-License-Identifier: GPL-2.0-or-later
27 	unsigned int		method;  member
35 	list_for_each_entry_safe(chann, tmp, &sess->ksmbd_chann_list,  in free_channel_list()
37 		list_del(&chann->chann_list);  in free_channel_list()
43 				struct ksmbd_session_rpc *entry)  in __session_rpc_close()  argument
47 	resp = ksmbd_rpc_close(sess, entry->id);  in __session_rpc_close()
49 		pr_err("Unable to close RPC pipe %d\n", entry->id);  in __session_rpc_close()
52 	ksmbd_rpc_id_free(entry->id);  in __session_rpc_close()
53 	kfree(entry);  in __session_rpc_close()
58 	struct ksmbd_session_rpc *entry;  in ksmbd_session_rpc_clear_list()  local
60 	while (!list_empty(&sess->rpc_handle_list)) {  in ksmbd_session_rpc_clear_list()
61 		entry = list_entry(sess->rpc_handle_list.next,  in ksmbd_session_rpc_clear_list()
65 		list_del(&entry->list);  in ksmbd_session_rpc_clear_list()
66 		__session_rpc_close(sess, entry);  in ksmbd_session_rpc_clear_list()
93 	struct ksmbd_session_rpc *entry;  in ksmbd_session_rpc_open()  local
95 	int method;  in ksmbd_session_rpc_open()  local
97 	method = __rpc_method(rpc_name);  in ksmbd_session_rpc_open()
98 	if (!method)  in ksmbd_session_rpc_open()
99 		return -EINVAL;  in ksmbd_session_rpc_open()
101 	entry = kzalloc(sizeof(struct ksmbd_session_rpc), GFP_KERNEL);  in ksmbd_session_rpc_open()
102 	if (!entry)  in ksmbd_session_rpc_open()
103 		return -EINVAL;  in ksmbd_session_rpc_open()
105 	list_add(&entry->list, &sess->rpc_handle_list);  in ksmbd_session_rpc_open()
106 	entry->method = method;  in ksmbd_session_rpc_open()
107 	entry->id = ksmbd_ipc_id_alloc();  in ksmbd_session_rpc_open()
108 	if (entry->id < 0)  in ksmbd_session_rpc_open()
111 	resp = ksmbd_rpc_open(sess, entry->id);  in ksmbd_session_rpc_open()
116 	return entry->id;  in ksmbd_session_rpc_open()
118 	list_del(&entry->list);  in ksmbd_session_rpc_open()
119 	kfree(entry);  in ksmbd_session_rpc_open()
120 	return -EINVAL;  in ksmbd_session_rpc_open()
125 	struct ksmbd_session_rpc *entry;  in ksmbd_session_rpc_close()  local
127 	list_for_each_entry(entry, &sess->rpc_handle_list, list) {  in ksmbd_session_rpc_close()
128 		if (entry->id == id) {  in ksmbd_session_rpc_close()
129 			list_del(&entry->list);  in ksmbd_session_rpc_close()
130 			__session_rpc_close(sess, entry);  in ksmbd_session_rpc_close()
138 	struct ksmbd_session_rpc *entry;  in ksmbd_session_rpc_method()  local
140 	list_for_each_entry(entry, &sess->rpc_handle_list, list) {  in ksmbd_session_rpc_method()
141 		if (entry->id == id)  in ksmbd_session_rpc_method()
142 			return entry->method;  in ksmbd_session_rpc_method()
152 	if (!atomic_dec_and_test(&sess->refcnt))  in ksmbd_session_destroy()
155 	list_del(&sess->sessions_entry);  in ksmbd_session_destroy()
158 	hash_del(&sess->hlist);  in ksmbd_session_destroy()
161 	if (sess->user)  in ksmbd_session_destroy()
162 		ksmbd_free_user(sess->user);  in ksmbd_session_destroy()
165 	ksmbd_destroy_file_table(&sess->file_table);  in ksmbd_session_destroy()
168 	kfree(sess->Preauth_HashValue);  in ksmbd_session_destroy()
169 	ksmbd_release_id(&session_ida, sess->id);  in ksmbd_session_destroy()
178 		if (id == sess->id)  in __session_lookup()
187 	sess->conn = conn;  in ksmbd_session_register()
188 	list_add(&sess->sessions_entry, &conn->sessions);  in ksmbd_session_register()
195 	while (!list_empty(&conn->sessions)) {  in ksmbd_sessions_deregister()
196 		sess = list_entry(conn->sessions.next,  in ksmbd_sessions_deregister()
207 	return sess->id == id;  in ksmbd_session_id_match()
215 	list_for_each_entry(sess, &conn->sessions, sessions_entry) {  in ksmbd_session_lookup()
224 	return atomic_inc_not_zero(&sess->refcnt);  in get_session()
229 	if (atomic_dec_and_test(&sess->refcnt))  in put_session()
254 	if (!sess && conn->binding)  in ksmbd_session_lookup_all()
268 	sess->id = sess_id;  in ksmbd_preauth_session_alloc()
269 	memcpy(sess->Preauth_HashValue, conn->preauth_info->Preauth_HashValue,  in ksmbd_preauth_session_alloc()
271 	list_add(&sess->preauth_entry, &conn->preauth_sess_table);  in ksmbd_preauth_session_alloc()
279 	return sess->id == id;  in ksmbd_preauth_session_id_match()
287 	list_for_each_entry(sess, &conn->preauth_sess_table, preauth_entry) {  in ksmbd_preauth_session_lookup()
299 		return -EINVAL;  in __init_smb2_session()
300 	sess->id = id;  in __init_smb2_session()
313 	if (ksmbd_init_file_table(&sess->file_table))  in __session_create()
317 	INIT_LIST_HEAD(&sess->sessions_entry);  in __session_create()
318 	xa_init(&sess->tree_conns);  in __session_create()
319 	INIT_LIST_HEAD(&sess->ksmbd_chann_list);  in __session_create()
320 	INIT_LIST_HEAD(&sess->rpc_handle_list);  in __session_create()
321 	sess->sequence_number = 1;  in __session_create()
322 	atomic_set(&sess->refcnt, 1);  in __session_create()
329 		ret = -EINVAL;  in __session_create()
336 	ida_init(&sess->tree_conn_ida);  in __session_create()
340 		hash_add(sessions_table, &sess->hlist, sess->id);  in __session_create()
357 	int id = -EINVAL;  in ksmbd_acquire_tree_conn_id()
360 		id = ksmbd_acquire_smb2_tid(&sess->tree_conn_ida);  in ksmbd_acquire_tree_conn_id()
368 		ksmbd_release_id(&sess->tree_conn_ida, id);  in ksmbd_release_tree_conn_id()