From 670027c507e99521d416994a18a498def9ef2ea3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Sat, 22 Oct 2016 19:31:08 -0300 Subject: Linux-libre 4.8.3-gnu --- net/rxrpc/ar-security.c | 168 ------------------------------------------------ 1 file changed, 168 deletions(-) delete mode 100644 net/rxrpc/ar-security.c (limited to 'net/rxrpc/ar-security.c') diff --git a/net/rxrpc/ar-security.c b/net/rxrpc/ar-security.c deleted file mode 100644 index d223253b2..000000000 --- a/net/rxrpc/ar-security.c +++ /dev/null @@ -1,168 +0,0 @@ -/* RxRPC security handling - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * 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 - * 2 of the License, or (at your option) any later version. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include "ar-internal.h" - -static LIST_HEAD(rxrpc_security_methods); -static DECLARE_RWSEM(rxrpc_security_sem); - -static const struct rxrpc_security *rxrpc_security_types[] = { - [RXRPC_SECURITY_NONE] = &rxrpc_no_security, -#ifdef CONFIG_RXKAD - [RXRPC_SECURITY_RXKAD] = &rxkad, -#endif -}; - -int __init rxrpc_init_security(void) -{ - int i, ret; - - for (i = 0; i < ARRAY_SIZE(rxrpc_security_types); i++) { - if (rxrpc_security_types[i]) { - ret = rxrpc_security_types[i]->init(); - if (ret < 0) - goto failed; - } - } - - return 0; - -failed: - for (i--; i >= 0; i--) - if (rxrpc_security_types[i]) - rxrpc_security_types[i]->exit(); - return ret; -} - -void rxrpc_exit_security(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(rxrpc_security_types); i++) - if (rxrpc_security_types[i]) - rxrpc_security_types[i]->exit(); -} - -/* - * look up an rxrpc security module - */ -static const struct rxrpc_security *rxrpc_security_lookup(u8 security_index) -{ - if (security_index >= ARRAY_SIZE(rxrpc_security_types)) - return NULL; - return rxrpc_security_types[security_index]; -} - -/* - * initialise the security on a client connection - */ -int rxrpc_init_client_conn_security(struct rxrpc_connection *conn) -{ - const struct rxrpc_security *sec; - struct rxrpc_key_token *token; - struct key *key = conn->key; - int ret; - - _enter("{%d},{%x}", conn->debug_id, key_serial(key)); - - if (!key) - return 0; - - ret = key_validate(key); - if (ret < 0) - return ret; - - token = key->payload.data[0]; - if (!token) - return -EKEYREJECTED; - - sec = rxrpc_security_lookup(token->security_index); - if (!sec) - return -EKEYREJECTED; - conn->security = sec; - - ret = conn->security->init_connection_security(conn); - if (ret < 0) { - conn->security = &rxrpc_no_security; - return ret; - } - - _leave(" = 0"); - return 0; -} - -/* - * initialise the security on a server connection - */ -int rxrpc_init_server_conn_security(struct rxrpc_connection *conn) -{ - const struct rxrpc_security *sec; - struct rxrpc_local *local = conn->trans->local; - struct rxrpc_sock *rx; - struct key *key; - key_ref_t kref; - char kdesc[5 + 1 + 3 + 1]; - - _enter(""); - - sprintf(kdesc, "%u:%u", conn->service_id, conn->security_ix); - - sec = rxrpc_security_lookup(conn->security_ix); - if (!sec) { - _leave(" = -ENOKEY [lookup]"); - return -ENOKEY; - } - - /* find the service */ - read_lock_bh(&local->services_lock); - list_for_each_entry(rx, &local->services, listen_link) { - if (rx->srx.srx_service == conn->service_id) - goto found_service; - } - - /* the service appears to have died */ - read_unlock_bh(&local->services_lock); - _leave(" = -ENOENT"); - return -ENOENT; - -found_service: - if (!rx->securities) { - read_unlock_bh(&local->services_lock); - _leave(" = -ENOKEY"); - return -ENOKEY; - } - - /* look through the service's keyring */ - kref = keyring_search(make_key_ref(rx->securities, 1UL), - &key_type_rxrpc_s, kdesc); - if (IS_ERR(kref)) { - read_unlock_bh(&local->services_lock); - _leave(" = %ld [search]", PTR_ERR(kref)); - return PTR_ERR(kref); - } - - key = key_ref_to_ptr(kref); - read_unlock_bh(&local->services_lock); - - conn->server_key = key; - conn->security = sec; - - _leave(" = 0"); - return 0; -} -- cgit v1.2.3