#include <asm/unistd.h>
#include <net/compat.h>
+#include <net/wext.h>
#include <net/sock.h>
#include <linux/netfilter.h>
static int sock_fasync(int fd, struct file *filp, int on);
static ssize_t sock_sendpage(struct file *file, struct page *page,
int offset, size_t size, loff_t *ppos, int more);
+static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
+ struct pipe_inode_info *pipe, size_t len,
+ unsigned int flags);
/*
* Socket files have a set of 'special' operations as well as the generic file ones. These don't appear
.fasync = sock_fasync,
.sendpage = sock_sendpage,
.splice_write = generic_splice_sendpage,
+ .splice_read = sock_splice_read,
};
/*
* invalid addresses -EFAULT is returned. On a success 0 is returned.
*/
-int move_addr_to_kernel(void __user *uaddr, int ulen, void *kaddr)
+int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr)
{
- if (ulen < 0 || ulen > MAX_SOCK_ADDR)
+ if (ulen < 0 || ulen > sizeof(struct sockaddr_storage))
return -EINVAL;
if (ulen == 0)
return 0;
* specified. Zero is returned for a success.
*/
-int move_addr_to_user(void *kaddr, int klen, void __user *uaddr,
+int move_addr_to_user(struct sockaddr *kaddr, int klen, void __user *uaddr,
int __user *ulen)
{
int err;
return err;
if (len > klen)
len = klen;
- if (len < 0 || len > MAX_SOCK_ADDR)
+ if (len < 0 || len > sizeof(struct sockaddr_storage))
return -EINVAL;
if (len) {
if (audit_sockaddr(klen, kaddr))
return sock->ops->sendpage(sock, page, offset, size, flags);
}
+static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
+ struct pipe_inode_info *pipe, size_t len,
+ unsigned int flags)
+{
+ struct socket *sock = file->private_data;
+
+ if (unlikely(!sock->ops->splice_read))
+ return -EINVAL;
+
+ return sock->ops->splice_read(sock, ppos, pipe, len, flags);
+}
+
static struct sock_iocb *alloc_sock_iocb(struct kiocb *iocb,
struct sock_iocb *siocb)
{
sock = file->private_data;
sk = sock->sk;
- net = sk->sk_net;
+ net = sock_net(sk);
if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
err = dev_ioctl(net, cmd, argp);
} else
if (!dlci_ioctl_hook)
request_module("dlci");
- if (dlci_ioctl_hook) {
- mutex_lock(&dlci_ioctl_mutex);
+ mutex_lock(&dlci_ioctl_mutex);
+ if (dlci_ioctl_hook)
err = dlci_ioctl_hook(cmd, argp);
- mutex_unlock(&dlci_ioctl_mutex);
- }
+ mutex_unlock(&dlci_ioctl_mutex);
break;
default:
err = sock->ops->ioctl(sock, cmd, arg);
if (!sock || !sock->fasync_list)
return -1;
switch (how) {
- case 1:
-
+ case SOCK_WAKE_WAITD:
if (test_bit(SOCK_ASYNC_WAITDATA, &sock->flags))
break;
goto call_kill;
- case 2:
+ case SOCK_WAKE_SPACE:
if (!test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags))
break;
/* fall through */
- case 0:
+ case SOCK_WAKE_IO:
call_kill:
__kill_fasync(sock->fasync_list, SIGIO, band);
break;
- case 3:
+ case SOCK_WAKE_URG:
__kill_fasync(sock->fasync_list, SIGURG, band);
}
return 0;
goto out_release_both;
fd1 = sock_alloc_fd(&newfile1);
- if (unlikely(fd1 < 0))
+ if (unlikely(fd1 < 0)) {
+ err = fd1;
goto out_release_both;
+ }
fd2 = sock_alloc_fd(&newfile2);
if (unlikely(fd2 < 0)) {
+ err = fd2;
put_filp(newfile1);
put_unused_fd(fd1);
goto out_release_both;
asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen)
{
struct socket *sock;
- char address[MAX_SOCK_ADDR];
+ struct sockaddr_storage address;
int err, fput_needed;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (sock) {
- err = move_addr_to_kernel(umyaddr, addrlen, address);
+ err = move_addr_to_kernel(umyaddr, addrlen, (struct sockaddr *)&address);
if (err >= 0) {
err = security_socket_bind(sock,
- (struct sockaddr *)address,
+ (struct sockaddr *)&address,
addrlen);
if (!err)
err = sock->ops->bind(sock,
(struct sockaddr *)
- address, addrlen);
+ &address, addrlen);
}
fput_light(sock->file, fput_needed);
}
* ready for listening.
*/
-int sysctl_somaxconn __read_mostly = SOMAXCONN;
-
asmlinkage long sys_listen(int fd, int backlog)
{
struct socket *sock;
int err, fput_needed;
+ int somaxconn;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (sock) {
- if ((unsigned)backlog > sysctl_somaxconn)
- backlog = sysctl_somaxconn;
+ somaxconn = sock_net(sock->sk)->core.sysctl_somaxconn;
+ if ((unsigned)backlog > somaxconn)
+ backlog = somaxconn;
err = security_socket_listen(sock, backlog);
if (!err)
struct socket *sock, *newsock;
struct file *newfile;
int err, len, newfd, fput_needed;
- char address[MAX_SOCK_ADDR];
+ struct sockaddr_storage address;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out_fd;
if (upeer_sockaddr) {
- if (newsock->ops->getname(newsock, (struct sockaddr *)address,
+ if (newsock->ops->getname(newsock, (struct sockaddr *)&address,
&len, 2) < 0) {
err = -ECONNABORTED;
goto out_fd;
}
- err = move_addr_to_user(address, len, upeer_sockaddr,
- upeer_addrlen);
+ err = move_addr_to_user((struct sockaddr *)&address,
+ len, upeer_sockaddr, upeer_addrlen);
if (err < 0)
goto out_fd;
}
int addrlen)
{
struct socket *sock;
- char address[MAX_SOCK_ADDR];
+ struct sockaddr_storage address;
int err, fput_needed;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
- err = move_addr_to_kernel(uservaddr, addrlen, address);
+ err = move_addr_to_kernel(uservaddr, addrlen, (struct sockaddr *)&address);
if (err < 0)
goto out_put;
err =
- security_socket_connect(sock, (struct sockaddr *)address, addrlen);
+ security_socket_connect(sock, (struct sockaddr *)&address, addrlen);
if (err)
goto out_put;
- err = sock->ops->connect(sock, (struct sockaddr *)address, addrlen,
+ err = sock->ops->connect(sock, (struct sockaddr *)&address, addrlen,
sock->file->f_flags);
out_put:
fput_light(sock->file, fput_needed);
int __user *usockaddr_len)
{
struct socket *sock;
- char address[MAX_SOCK_ADDR];
+ struct sockaddr_storage address;
int len, err, fput_needed;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (err)
goto out_put;
- err = sock->ops->getname(sock, (struct sockaddr *)address, &len, 0);
+ err = sock->ops->getname(sock, (struct sockaddr *)&address, &len, 0);
if (err)
goto out_put;
- err = move_addr_to_user(address, len, usockaddr, usockaddr_len);
+ err = move_addr_to_user((struct sockaddr *)&address, len, usockaddr, usockaddr_len);
out_put:
fput_light(sock->file, fput_needed);
int __user *usockaddr_len)
{
struct socket *sock;
- char address[MAX_SOCK_ADDR];
+ struct sockaddr_storage address;
int len, err, fput_needed;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
}
err =
- sock->ops->getname(sock, (struct sockaddr *)address, &len,
+ sock->ops->getname(sock, (struct sockaddr *)&address, &len,
1);
if (!err)
- err = move_addr_to_user(address, len, usockaddr,
+ err = move_addr_to_user((struct sockaddr *)&address, len, usockaddr,
usockaddr_len);
fput_light(sock->file, fput_needed);
}
int addr_len)
{
struct socket *sock;
- char address[MAX_SOCK_ADDR];
+ struct sockaddr_storage address;
int err;
struct msghdr msg;
struct iovec iov;
int fput_needed;
- struct file *sock_file;
- sock_file = fget_light(fd, &fput_needed);
- err = -EBADF;
- if (!sock_file)
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
+ if (!sock)
goto out;
- sock = sock_from_file(sock_file, &err);
- if (!sock)
- goto out_put;
iov.iov_base = buff;
iov.iov_len = len;
msg.msg_name = NULL;
msg.msg_controllen = 0;
msg.msg_namelen = 0;
if (addr) {
- err = move_addr_to_kernel(addr, addr_len, address);
+ err = move_addr_to_kernel(addr, addr_len, (struct sockaddr *)&address);
if (err < 0)
goto out_put;
- msg.msg_name = address;
+ msg.msg_name = (struct sockaddr *)&address;
msg.msg_namelen = addr_len;
}
if (sock->file->f_flags & O_NONBLOCK)
err = sock_sendmsg(sock, &msg, len);
out_put:
- fput_light(sock_file, fput_needed);
+ fput_light(sock->file, fput_needed);
out:
return err;
}
struct socket *sock;
struct iovec iov;
struct msghdr msg;
- char address[MAX_SOCK_ADDR];
+ struct sockaddr_storage address;
int err, err2;
- struct file *sock_file;
int fput_needed;
- sock_file = fget_light(fd, &fput_needed);
- err = -EBADF;
- if (!sock_file)
- goto out;
-
- sock = sock_from_file(sock_file, &err);
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
- goto out_put;
+ goto out;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_iov = &iov;
iov.iov_len = size;
iov.iov_base = ubuf;
- msg.msg_name = address;
- msg.msg_namelen = MAX_SOCK_ADDR;
+ msg.msg_name = (struct sockaddr *)&address;
+ msg.msg_namelen = sizeof(address);
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, size, flags);
if (err >= 0 && addr != NULL) {
- err2 = move_addr_to_user(address, msg.msg_namelen, addr, addr_len);
+ err2 = move_addr_to_user((struct sockaddr *)&address,
+ msg.msg_namelen, addr, addr_len);
if (err2 < 0)
err = err2;
}
-out_put:
- fput_light(sock_file, fput_needed);
+
+ fput_light(sock->file, fput_needed);
out:
return err;
}
struct compat_msghdr __user *msg_compat =
(struct compat_msghdr __user *)msg;
struct socket *sock;
- char address[MAX_SOCK_ADDR];
+ struct sockaddr_storage address;
struct iovec iovstack[UIO_FASTIOV], *iov = iovstack;
unsigned char ctl[sizeof(struct cmsghdr) + 20]
__attribute__ ((aligned(sizeof(__kernel_size_t))));
/* This will also move the address data into kernel space */
if (MSG_CMSG_COMPAT & flags) {
- err = verify_compat_iovec(&msg_sys, iov, address, VERIFY_READ);
+ err = verify_compat_iovec(&msg_sys, iov,
+ (struct sockaddr *)&address,
+ VERIFY_READ);
} else
- err = verify_iovec(&msg_sys, iov, address, VERIFY_READ);
+ err = verify_iovec(&msg_sys, iov,
+ (struct sockaddr *)&address,
+ VERIFY_READ);
if (err < 0)
goto out_freeiov;
total_len = err;
int fput_needed;
/* kernel mode address */
- char addr[MAX_SOCK_ADDR];
+ struct sockaddr_storage addr;
/* user mode address pointers */
struct sockaddr __user *uaddr;
uaddr = (__force void __user *)msg_sys.msg_name;
uaddr_len = COMPAT_NAMELEN(msg);
if (MSG_CMSG_COMPAT & flags) {
- err = verify_compat_iovec(&msg_sys, iov, addr, VERIFY_WRITE);
+ err = verify_compat_iovec(&msg_sys, iov,
+ (struct sockaddr *)&addr,
+ VERIFY_WRITE);
} else
- err = verify_iovec(&msg_sys, iov, addr, VERIFY_WRITE);
+ err = verify_iovec(&msg_sys, iov,
+ (struct sockaddr *)&addr,
+ VERIFY_WRITE);
if (err < 0)
goto out_freeiov;
total_len = err;
len = err;
if (uaddr != NULL) {
- err = move_addr_to_user(addr, msg_sys.msg_namelen, uaddr,
+ err = move_addr_to_user((struct sockaddr *)&addr,
+ msg_sys.msg_namelen, uaddr,
uaddr_len);
if (err < 0)
goto out_freeiov;
{
struct socket *sock = file->private_data;
int ret = -ENOIOCTLCMD;
+ struct sock *sk;
+ struct net *net;
+
+ sk = sock->sk;
+ net = sock_net(sk);
if (sock->ops->compat_ioctl)
ret = sock->ops->compat_ioctl(sock, cmd, arg);
+ if (ret == -ENOIOCTLCMD &&
+ (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST))
+ ret = compat_wext_handle_ioctl(net, cmd, arg);
+
return ret;
}
#endif
return err;
}
-/* ABI emulation layers need these two */
-EXPORT_SYMBOL(move_addr_to_kernel);
-EXPORT_SYMBOL(move_addr_to_user);
+int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how)
+{
+ return sock->ops->shutdown(sock, how);
+}
+
EXPORT_SYMBOL(sock_create);
EXPORT_SYMBOL(sock_create_kern);
EXPORT_SYMBOL(sock_create_lite);
EXPORT_SYMBOL(kernel_setsockopt);
EXPORT_SYMBOL(kernel_sendpage);
EXPORT_SYMBOL(kernel_sock_ioctl);
+EXPORT_SYMBOL(kernel_sock_shutdown);