#include <linux/ipv6_route.h>
#include <linux/route.h>
#include <linux/sockios.h>
-#include <linux/atalk.h>
#include <net/busy_poll.h>
#include <linux/errqueue.h>
return __put_user(klen, ulen);
}
-static struct kmem_cache *sock_inode_cachep __read_mostly;
+static struct kmem_cache *sock_inode_cachep __ro_after_init;
static struct inode *sock_alloc_inode(struct super_block *sb)
{
* what to do with it - that's up to the protocol still.
*/
-static struct ns_common *get_net_ns(struct ns_common *ns)
+struct ns_common *get_net_ns(struct ns_common *ns)
{
return &get_net(container_of(ns, struct net, ns))->ns;
}
+EXPORT_SYMBOL_GPL(get_net_ns);
static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
goto out_fd;
if (upeer_sockaddr) {
- if (newsock->ops->getname(newsock, (struct sockaddr *)&address,
- &len, 2) < 0) {
+ len = newsock->ops->getname(newsock,
+ (struct sockaddr *)&address, 2);
+ if (len < 0) {
err = -ECONNABORTED;
goto out_fd;
}
{
struct socket *sock;
struct sockaddr_storage address;
- int len, err, fput_needed;
+ int err, fput_needed;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
if (err)
goto out_put;
- err = sock->ops->getname(sock, (struct sockaddr *)&address, &len, 0);
- if (err)
+ err = sock->ops->getname(sock, (struct sockaddr *)&address, 0);
+ if (err < 0)
goto out_put;
- err = move_addr_to_user(&address, len, usockaddr, usockaddr_len);
+ /* "err" is actually length in this case */
+ err = move_addr_to_user(&address, err, usockaddr, usockaddr_len);
out_put:
fput_light(sock->file, fput_needed);
{
struct socket *sock;
struct sockaddr_storage address;
- int len, err, fput_needed;
+ int err, fput_needed;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (sock != NULL) {
return err;
}
- err =
- sock->ops->getname(sock, (struct sockaddr *)&address, &len,
- 1);
- if (!err)
- err = move_addr_to_user(&address, len, usockaddr,
+ err = sock->ops->getname(sock, (struct sockaddr *)&address, 1);
+ if (err >= 0)
+ /* "err" is actually length in this case */
+ err = move_addr_to_user(&address, err, usockaddr,
usockaddr_len);
fput_light(sock->file, fput_needed);
}
* BSD sendmsg interface
*/
-long __sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags)
+long __sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned int flags,
+ bool forbid_cmsg_compat)
{
int fput_needed, err;
struct msghdr msg_sys;
struct socket *sock;
+ if (forbid_cmsg_compat && (flags & MSG_CMSG_COMPAT))
+ return -EINVAL;
+
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
SYSCALL_DEFINE3(sendmsg, int, fd, struct user_msghdr __user *, msg, unsigned int, flags)
{
- if (flags & MSG_CMSG_COMPAT)
- return -EINVAL;
- return __sys_sendmsg(fd, msg, flags);
+ return __sys_sendmsg(fd, msg, flags, true);
}
/*
*/
int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
- unsigned int flags)
+ unsigned int flags, bool forbid_cmsg_compat)
{
int fput_needed, err, datagrams;
struct socket *sock;
struct used_address used_address;
unsigned int oflags = flags;
+ if (forbid_cmsg_compat && (flags & MSG_CMSG_COMPAT))
+ return -EINVAL;
+
if (vlen > UIO_MAXIOV)
vlen = UIO_MAXIOV;
SYSCALL_DEFINE4(sendmmsg, int, fd, struct mmsghdr __user *, mmsg,
unsigned int, vlen, unsigned int, flags)
{
- if (flags & MSG_CMSG_COMPAT)
- return -EINVAL;
- return __sys_sendmmsg(fd, mmsg, vlen, flags);
+ return __sys_sendmmsg(fd, mmsg, vlen, flags, true);
}
static int ___sys_recvmsg(struct socket *sock, struct user_msghdr __user *msg,
* BSD recvmsg interface
*/
-long __sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags)
+long __sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned int flags,
+ bool forbid_cmsg_compat)
{
int fput_needed, err;
struct msghdr msg_sys;
struct socket *sock;
+ if (forbid_cmsg_compat && (flags & MSG_CMSG_COMPAT))
+ return -EINVAL;
+
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
SYSCALL_DEFINE3(recvmsg, int, fd, struct user_msghdr __user *, msg,
unsigned int, flags)
{
- if (flags & MSG_CMSG_COMPAT)
- return -EINVAL;
- return __sys_recvmsg(fd, msg, flags);
+ return __sys_recvmsg(fd, msg, flags, true);
}
/*
if (!sock)
return err;
- err = sock_error(sock->sk);
- if (err) {
- datagrams = err;
- goto out_put;
+ if (likely(!(flags & MSG_ERRQUEUE))) {
+ err = sock_error(sock->sk);
+ if (err) {
+ datagrams = err;
+ goto out_put;
+ }
}
entry = mmsg;
return datagrams;
}
-SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
- unsigned int, vlen, unsigned int, flags,
- struct timespec __user *, timeout)
+static int do_sys_recvmmsg(int fd, struct mmsghdr __user *mmsg,
+ unsigned int vlen, unsigned int flags,
+ struct timespec __user *timeout)
{
int datagrams;
struct timespec timeout_sys;
return datagrams;
}
+SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
+ unsigned int, vlen, unsigned int, flags,
+ struct timespec __user *, timeout)
+{
+ return do_sys_recvmmsg(fd, mmsg, vlen, flags, timeout);
+}
+
#ifdef __ARCH_WANT_SYS_SOCKETCALL
/* Argument list sizes for sys_socketcall */
#define AL(x) ((x) * sizeof(unsigned long))
err = __sys_socketpair(a0, a1, a[2], (int __user *)a[3]);
break;
case SYS_SEND:
- err = sys_send(a0, (void __user *)a1, a[2], a[3]);
+ err = __sys_sendto(a0, (void __user *)a1, a[2], a[3],
+ NULL, 0);
break;
case SYS_SENDTO:
err = __sys_sendto(a0, (void __user *)a1, a[2], a[3],
(struct sockaddr __user *)a[4], a[5]);
break;
case SYS_RECV:
- err = sys_recv(a0, (void __user *)a1, a[2], a[3]);
+ err = __sys_recvfrom(a0, (void __user *)a1, a[2], a[3],
+ NULL, NULL);
break;
case SYS_RECVFROM:
err = __sys_recvfrom(a0, (void __user *)a1, a[2], a[3],
(int __user *)a[4]);
break;
case SYS_SENDMSG:
- err = sys_sendmsg(a0, (struct user_msghdr __user *)a1, a[2]);
+ err = __sys_sendmsg(a0, (struct user_msghdr __user *)a1,
+ a[2], true);
break;
case SYS_SENDMMSG:
- err = sys_sendmmsg(a0, (struct mmsghdr __user *)a1, a[2], a[3]);
+ err = __sys_sendmmsg(a0, (struct mmsghdr __user *)a1, a[2],
+ a[3], true);
break;
case SYS_RECVMSG:
- err = sys_recvmsg(a0, (struct user_msghdr __user *)a1, a[2]);
+ err = __sys_recvmsg(a0, (struct user_msghdr __user *)a1,
+ a[2], true);
break;
case SYS_RECVMMSG:
- err = sys_recvmmsg(a0, (struct mmsghdr __user *)a1, a[2], a[3],
- (struct timespec __user *)a[4]);
+ err = do_sys_recvmmsg(a0, (struct mmsghdr __user *)a1, a[2],
+ a[3], (struct timespec __user *)a[4]);
break;
case SYS_ACCEPT4:
err = __sys_accept4(a0, (struct sockaddr __user *)a1,
}
EXPORT_SYMBOL(sock_unregister);
+bool sock_is_registered(int family)
+{
+ return family < NPROTO && rcu_access_pointer(net_families[family]);
+}
+
static int __init sock_init(void)
{
int err;
}
EXPORT_SYMBOL(kernel_connect);
-int kernel_getsockname(struct socket *sock, struct sockaddr *addr,
- int *addrlen)
+int kernel_getsockname(struct socket *sock, struct sockaddr *addr)
{
- return sock->ops->getname(sock, addr, addrlen, 0);
+ return sock->ops->getname(sock, addr, 0);
}
EXPORT_SYMBOL(kernel_getsockname);
-int kernel_getpeername(struct socket *sock, struct sockaddr *addr,
- int *addrlen)
+int kernel_getpeername(struct socket *sock, struct sockaddr *addr)
{
- return sock->ops->getname(sock, addr, addrlen, 1);
+ return sock->ops->getname(sock, addr, 1);
}
EXPORT_SYMBOL(kernel_getpeername);
projects / linux-2.6-microblaze.git / blobdiff