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lsm: Remove the socket_post_accept() hook

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The socket_post_accept() hook is not currently used by any in-tree modules
and its existence continues to cause problems by confusing people about
what can be safely accomplished using this hook.  If a legitimate need for
this hook arises in the future it can always be reintroduced.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Paul Moore 2009-03-27 17:10:48 -04:00 committed by James Morris
parent 58bfbb51ff
commit 8651d5c0b1
4 changed files with 0 additions and 25 deletions
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13
include/linux/security.h
View File

@ -880,11 +880,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* @sock contains the listening socket structure.
* @newsock contains the newly created server socket for connection.
* Return 0 if permission is granted.
* @socket_post_accept:
* This hook allows a security module to copy security
* information into the newly created socket's inode.
* @sock contains the listening socket structure.
* @newsock contains the newly created server socket for connection.
* @socket_sendmsg:
* Check permission before transmitting a message to another socket.
* @sock contains the socket structure.
@ -1554,8 +1549,6 @@ struct security_operations {
struct sockaddr *address, int addrlen);
int (*socket_listen) (struct socket *sock, int backlog);
int (*socket_accept) (struct socket *sock, struct socket *newsock);
void (*socket_post_accept) (struct socket *sock,
struct socket *newsock);
int (*socket_sendmsg) (struct socket *sock,
struct msghdr *msg, int size);
int (*socket_recvmsg) (struct socket *sock,
@ -2537,7 +2530,6 @@ int security_socket_bind(struct socket *sock, struct sockaddr *address, int addr
int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
int security_socket_listen(struct socket *sock, int backlog);
int security_socket_accept(struct socket *sock, struct socket *newsock);
void security_socket_post_accept(struct socket *sock, struct socket *newsock);
int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
int size, int flags);
@ -2616,11 +2608,6 @@ static inline int security_socket_accept(struct socket *sock,
return 0;
}
static inline void security_socket_post_accept(struct socket *sock,
struct socket *newsock)
{
}
static inline int security_socket_sendmsg(struct socket *sock,
struct msghdr *msg, int size)
{

2
net/socket.c
View File

@ -1536,8 +1536,6 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
fd_install(newfd, newfile);
err = newfd;
security_socket_post_accept(sock, newsock);
out_put:
fput_light(sock->file, fput_needed);
out:

5
security/capability.c
View File

@ -620,10 +620,6 @@ static int cap_socket_accept(struct socket *sock, struct socket *newsock)
return 0;
}
static void cap_socket_post_accept(struct socket *sock, struct socket *newsock)
{
}
static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
{
return 0;
@ -1014,7 +1010,6 @@ void security_fixup_ops(struct security_operations *ops)
set_to_cap_if_null(ops, socket_connect);
set_to_cap_if_null(ops, socket_listen);
set_to_cap_if_null(ops, socket_accept);
set_to_cap_if_null(ops, socket_post_accept);
set_to_cap_if_null(ops, socket_sendmsg);
set_to_cap_if_null(ops, socket_recvmsg);
set_to_cap_if_null(ops, socket_getsockname);

5
security/security.c
View File

@ -1007,11 +1007,6 @@ int security_socket_accept(struct socket *sock, struct socket *newsock)
return security_ops->socket_accept(sock, newsock);
}
void security_socket_post_accept(struct socket *sock, struct socket *newsock)
{
security_ops->socket_post_accept(sock, newsock);
}
int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
{
return security_ops->socket_sendmsg(sock, msg, size);