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eCryptfs: remove netlink transport

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The netlink transport code has not worked for a while and the miscdev
transport is a simpler solution.  This patch removes the netlink code and
makes the miscdev transport the only eCryptfs kernel to userspace
transport.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: Dustin Kirkland <kirkland@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tyler Hicks
2008-10-15 22:02:51 -07:00
committed by Linus Torvalds
parent 807b7ebe41
commit 624ae52845
6 changed files with 60 additions and 388 deletions
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28
fs/ecryptfs/ecryptfs_kernel.h
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@@ -79,11 +79,6 @@
#define ECRYPTFS_MAX_PKI_NAME_BYTES 16
#define ECRYPTFS_DEFAULT_NUM_USERS 4
#define ECRYPTFS_MAX_NUM_USERS 32768
#define ECRYPTFS_TRANSPORT_NETLINK 0
#define ECRYPTFS_TRANSPORT_CONNECTOR 1
#define ECRYPTFS_TRANSPORT_RELAYFS 2
#define ECRYPTFS_TRANSPORT_MISCDEV 3
#define ECRYPTFS_DEFAULT_TRANSPORT ECRYPTFS_TRANSPORT_MISCDEV
#define ECRYPTFS_XATTR_NAME "user.ecryptfs"
#define RFC2440_CIPHER_DES3_EDE 0x02
@@ -400,8 +395,6 @@ struct ecryptfs_msg_ctx {
struct mutex mux;
};
extern unsigned int ecryptfs_transport;
struct ecryptfs_daemon;
struct ecryptfs_daemon {
@@ -627,31 +620,20 @@ int
ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value,
size_t size, int flags);
int ecryptfs_read_xattr_region(char *page_virt, struct inode *ecryptfs_inode);
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);
int ecryptfs_process_quit(uid_t euid, struct user_namespace *user_ns,
struct pid *pid);
int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid,
struct user_namespace *user_ns, struct pid *pid,
u32 seq);
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 ecryptfs_wait_for_response(struct ecryptfs_msg_ctx *msg_ctx,
struct ecryptfs_message **emsg);
int ecryptfs_init_messaging(unsigned int transport);
void ecryptfs_release_messaging(unsigned int transport);
int ecryptfs_init_messaging(void);
void ecryptfs_release_messaging(void);
int ecryptfs_send_netlink(char *data, int data_len,
struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type,
u16 msg_flags, struct pid *daemon_pid);
int ecryptfs_init_netlink(void);
void ecryptfs_release_netlink(void);
int ecryptfs_send_connector(char *data, int data_len,
struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type,
u16 msg_flags, struct pid *daemon_pid);
int ecryptfs_init_connector(void);
void ecryptfs_release_connector(void);
void
ecryptfs_write_header_metadata(char *virt,
struct ecryptfs_crypt_stat *crypt_stat,