}
static int
-ecryptfs_send_message_locked(unsigned int transport, char *data, int data_len,
- u8 msg_type, struct ecryptfs_msg_ctx **msg_ctx);
+ecryptfs_send_message_locked(char *data, int data_len, u8 msg_type,
+ struct ecryptfs_msg_ctx **msg_ctx);
/**
* ecryptfs_send_raw_message
- * @transport: Transport type
* @msg_type: Message type
* @daemon: Daemon struct for recipient of message
*
*
* Returns zero on success; non-zero otherwise
*/
-static int ecryptfs_send_raw_message(unsigned int transport, u8 msg_type,
+static int ecryptfs_send_raw_message(u8 msg_type,
struct ecryptfs_daemon *daemon)
{
struct ecryptfs_msg_ctx *msg_ctx;
int rc;
- switch(transport) {
- case ECRYPTFS_TRANSPORT_NETLINK:
- rc = ecryptfs_send_netlink(NULL, 0, NULL, msg_type, 0,
- daemon->pid);
- break;
- case ECRYPTFS_TRANSPORT_MISCDEV:
- rc = ecryptfs_send_message_locked(transport, NULL, 0, msg_type,
- &msg_ctx);
- if (rc) {
- printk(KERN_ERR "%s: Error whilst attempting to send "
- "message via procfs; rc = [%d]\n", __func__, rc);
- goto out;
- }
- /* Raw messages are logically context-free (e.g., no
- * reply is expected), so we set the state of the
- * ecryptfs_msg_ctx object to indicate that it should
- * be freed as soon as the transport sends out the message. */
- mutex_lock(&msg_ctx->mux);
- msg_ctx->state = ECRYPTFS_MSG_CTX_STATE_NO_REPLY;
- mutex_unlock(&msg_ctx->mux);
- break;
- case ECRYPTFS_TRANSPORT_CONNECTOR:
- case ECRYPTFS_TRANSPORT_RELAYFS:
- default:
- rc = -ENOSYS;
+ rc = ecryptfs_send_message_locked(NULL, 0, msg_type, &msg_ctx);
+ if (rc) {
+ printk(KERN_ERR "%s: Error whilst attempting to send "
+ "message to ecryptfsd; rc = [%d]\n", __func__, rc);
+ goto out;
}
+ /* Raw messages are logically context-free (e.g., no
+ * reply is expected), so we set the state of the
+ * ecryptfs_msg_ctx object to indicate that it should
+ * be freed as soon as the message is sent. */
+ mutex_lock(&msg_ctx->mux);
+ msg_ctx->state = ECRYPTFS_MSG_CTX_STATE_NO_REPLY;
+ mutex_unlock(&msg_ctx->mux);
out:
return rc;
}
/**
* ecryptfs_process_helo
- * @transport: The underlying transport (netlink, etc.)
* @euid: The user ID owner of the message
* @user_ns: The namespace in which @euid applies
* @pid: The process ID for the userspace program that sent the
* Returns zero after adding a new daemon to the hash list;
* non-zero otherwise.
*/
-int ecryptfs_process_helo(unsigned int transport, uid_t euid,
- struct user_namespace *user_ns, struct pid *pid)
+int ecryptfs_process_helo(uid_t euid, struct user_namespace *user_ns,
+ struct pid *pid)
{
struct ecryptfs_daemon *new_daemon;
struct ecryptfs_daemon *old_daemon;
printk(KERN_WARNING "Received request from user [%d] "
"to register daemon [0x%p]; unregistering daemon "
"[0x%p]\n", euid, pid, old_daemon->pid);
- rc = ecryptfs_send_raw_message(transport, ECRYPTFS_MSG_QUIT,
- old_daemon);
+ rc = ecryptfs_send_raw_message(ECRYPTFS_MSG_QUIT, old_daemon);
if (rc)
printk(KERN_WARNING "Failed to send QUIT "
"message to daemon [0x%p]; rc = [%d]\n",
/**
* ecryptfs_send_message_locked
- * @transport: The transport over which to send the message (i.e.,
- * netlink)
* @data: The data to send
* @data_len: The length of data
* @msg_ctx: The message context allocated for the send
* Returns zero on success; non-zero otherwise
*/
static int
-ecryptfs_send_message_locked(unsigned int transport, char *data, int data_len,
- u8 msg_type, struct ecryptfs_msg_ctx **msg_ctx)
+ecryptfs_send_message_locked(char *data, int data_len, u8 msg_type,
+ struct ecryptfs_msg_ctx **msg_ctx)
{
struct ecryptfs_daemon *daemon;
int rc;
ecryptfs_msg_ctx_free_to_alloc(*msg_ctx);
mutex_unlock(&(*msg_ctx)->mux);
mutex_unlock(&ecryptfs_msg_ctx_lists_mux);
- switch (transport) {
- case ECRYPTFS_TRANSPORT_NETLINK:
- rc = ecryptfs_send_netlink(data, data_len, *msg_ctx, msg_type,
- 0, daemon->pid);
- break;
- case ECRYPTFS_TRANSPORT_MISCDEV:
- rc = ecryptfs_send_miscdev(data, data_len, *msg_ctx, msg_type,
- 0, daemon);
- break;
- case ECRYPTFS_TRANSPORT_CONNECTOR:
- case ECRYPTFS_TRANSPORT_RELAYFS:
- default:
- rc = -ENOSYS;
- }
+ rc = ecryptfs_send_miscdev(data, data_len, *msg_ctx, msg_type, 0,
+ daemon);
if (rc)
printk(KERN_ERR "%s: Error attempting to send message to "
"userspace daemon; rc = [%d]\n", __func__, rc);
/**
* ecryptfs_send_message
- * @transport: The transport over which to send the message (i.e.,
- * netlink)
* @data: The data to send
* @data_len: The length of data
* @msg_ctx: The message context allocated for the send
*
* Returns zero on success; non-zero otherwise
*/
-int ecryptfs_send_message(unsigned int transport, char *data, int data_len,
+int ecryptfs_send_message(char *data, int data_len,
struct ecryptfs_msg_ctx **msg_ctx)
{
int rc;
mutex_lock(&ecryptfs_daemon_hash_mux);
- rc = ecryptfs_send_message_locked(transport, data, data_len,
- ECRYPTFS_MSG_REQUEST, msg_ctx);
+ rc = ecryptfs_send_message_locked(data, data_len, ECRYPTFS_MSG_REQUEST,
+ msg_ctx);
mutex_unlock(&ecryptfs_daemon_hash_mux);
return rc;
}
return rc;
}
-int ecryptfs_init_messaging(unsigned int transport)
+int ecryptfs_init_messaging(void)
{
int i;
int rc = 0;
mutex_unlock(&ecryptfs_msg_ctx_arr[i].mux);
}
mutex_unlock(&ecryptfs_msg_ctx_lists_mux);
- switch(transport) {
- case ECRYPTFS_TRANSPORT_NETLINK:
- rc = ecryptfs_init_netlink();
- if (rc)
- ecryptfs_release_messaging(transport);
- break;
- case ECRYPTFS_TRANSPORT_MISCDEV:
- rc = ecryptfs_init_ecryptfs_miscdev();
- if (rc)
- ecryptfs_release_messaging(transport);
- break;
- case ECRYPTFS_TRANSPORT_CONNECTOR:
- case ECRYPTFS_TRANSPORT_RELAYFS:
- default:
- rc = -ENOSYS;
- }
+ rc = ecryptfs_init_ecryptfs_miscdev();
+ if (rc)
+ ecryptfs_release_messaging();
out:
return rc;
}
-void ecryptfs_release_messaging(unsigned int transport)
+void ecryptfs_release_messaging(void)
{
if (ecryptfs_msg_ctx_arr) {
int i;
kfree(ecryptfs_daemon_hash);
mutex_unlock(&ecryptfs_daemon_hash_mux);
}
- switch(transport) {
- case ECRYPTFS_TRANSPORT_NETLINK:
- ecryptfs_release_netlink();
- break;
- case ECRYPTFS_TRANSPORT_MISCDEV:
- ecryptfs_destroy_ecryptfs_miscdev();
- break;
- case ECRYPTFS_TRANSPORT_CONNECTOR:
- case ECRYPTFS_TRANSPORT_RELAYFS:
- default:
- break;
- }
+ ecryptfs_destroy_ecryptfs_miscdev();
return;
}
projects / linux-2.6-omap-h63xx.git / blobdiff