#define SOCK_PASSCRED 3
#define SOCK_PASSSEC 4
-#define PROTO_CMSG_DATA_ONLY 0x0001
-
#ifndef ARCH_HAS_SOCKET_TYPES
/**
* enum sock_type - Socket types
struct proto_ops {
int family;
- unsigned int flags;
struct module *owner;
int (*release) (struct socket *sock);
int (*bind) (struct socket *sock,
const struct proto_ops inet6_stream_ops = {
.family = PF_INET6,
- .flags = PROTO_CMSG_DATA_ONLY,
.owner = THIS_MODULE,
.release = inet6_release,
.bind = inet6_bind,
long __sys_sendmsg_sock(struct socket *sock, struct msghdr *msg,
unsigned int flags)
{
- /* disallow ancillary data requests from this path */
- if (msg->msg_control || msg->msg_controllen)
- return -EINVAL;
-
return ____sys_sendmsg(sock, msg, flags, NULL, 0);
}
struct user_msghdr __user *umsg,
struct sockaddr __user *uaddr, unsigned int flags)
{
- if (msg->msg_control || msg->msg_controllen) {
- /* disallow ancillary data reqs unless cmsg is plain data */
- if (!(sock->ops->flags & PROTO_CMSG_DATA_ONLY))
- return -EINVAL;
- }
-
return ____sys_recvmsg(sock, msg, umsg, uaddr, flags, 0);
}