-/*
+/*
* 32bit Socket syscall emulation. Based on arch/sparc64/kernel/sys_sparc32.c.
*
* Copyright (C) 2000 VA Linux Co
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 2000 Hewlett-Packard Co.
* Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
- * Copyright (C) 2000,2001 Andi Kleen, SuSE Labs
+ * Copyright (C) 2000,2001 Andi Kleen, SuSE Labs
*/
#include <linux/kernel.h>
return 0; /* XXX: return error? check spec. */
}
- if (level == SOL_SOCKET && type == SO_TIMESTAMP) {
+ if (level == SOL_SOCKET && type == SO_TIMESTAMP) {
struct timeval *tv = (struct timeval *)data;
ctv.tv_sec = tv->tv_sec;
ctv.tv_usec = tv->tv_usec;
data = &ctv;
len = sizeof(struct compat_timeval);
- }
-
+ }
+
cmlen = CMSG_COMPAT_LEN(len);
if(kmsg->msg_controllen < cmlen) {
kmsg->msg_flags |= MSG_CTRUNC;
if (i > 0) {
int cmlen = CMSG_COMPAT_LEN(i * sizeof(int));
- if (!err)
- err = put_user(SOL_SOCKET, &cm->cmsg_level);
+ err = put_user(SOL_SOCKET, &cm->cmsg_level);
if (!err)
err = put_user(SCM_RIGHTS, &cm->cmsg_type);
if (!err)
compat_uptr_t filter; /* struct sock_filter * */
};
-static int do_set_attach_filter(int fd, int level, int optname,
+static int do_set_attach_filter(struct socket *sock, int level, int optname,
char __user *optval, int optlen)
{
struct compat_sock_fprog __user *fprog32 = (struct compat_sock_fprog __user *)optval;
- struct sock_fprog __user *kfprog = compat_alloc_user_space(sizeof(struct sock_fprog));
+ struct sock_fprog __user *kfprog = compat_alloc_user_space(sizeof(struct sock_fprog));
compat_uptr_t ptr;
u16 len;
__put_user(compat_ptr(ptr), &kfprog->filter))
return -EFAULT;
- return sys_setsockopt(fd, level, optname, (char __user *)kfprog,
+ return sock_setsockopt(sock, level, optname, (char __user *)kfprog,
sizeof(struct sock_fprog));
}
-static int do_set_sock_timeout(int fd, int level, int optname, char __user *optval, int optlen)
+static int do_set_sock_timeout(struct socket *sock, int level,
+ int optname, char __user *optval, int optlen)
{
struct compat_timeval __user *up = (struct compat_timeval __user *) optval;
struct timeval ktime;
return -EFAULT;
old_fs = get_fs();
set_fs(KERNEL_DS);
- err = sys_setsockopt(fd, level, optname, (char *) &ktime, sizeof(ktime));
+ err = sock_setsockopt(sock, level, optname, (char *) &ktime, sizeof(ktime));
set_fs(old_fs);
return err;
}
+static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
+ char __user *optval, int optlen)
+{
+ if (optname == SO_ATTACH_FILTER)
+ return do_set_attach_filter(sock, level, optname,
+ optval, optlen);
+ if (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)
+ return do_set_sock_timeout(sock, level, optname, optval, optlen);
+
+ return sock_setsockopt(sock, level, optname, optval, optlen);
+}
+
asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
char __user *optval, int optlen)
{
- /* SO_SET_REPLACE seems to be the same in all levels */
- if (optname == IPT_SO_SET_REPLACE)
+ int err;
+ struct socket *sock;
+
+ if (level == SOL_IPV6 && optname == IPT_SO_SET_REPLACE)
return do_netfilter_replace(fd, level, optname,
optval, optlen);
- if (level == SOL_SOCKET && optname == SO_ATTACH_FILTER)
- return do_set_attach_filter(fd, level, optname,
- optval, optlen);
- if (level == SOL_SOCKET &&
- (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
- return do_set_sock_timeout(fd, level, optname, optval, optlen);
- return sys_setsockopt(fd, level, optname, optval, optlen);
+ if (optlen < 0)
+ return -EINVAL;
+
+ if ((sock = sockfd_lookup(fd, &err))!=NULL)
+ {
+ err = security_socket_setsockopt(sock,level,optname);
+ if (err) {
+ sockfd_put(sock);
+ return err;
+ }
+
+ if (level == SOL_SOCKET)
+ err = compat_sock_setsockopt(sock, level,
+ optname, optval, optlen);
+ else if (sock->ops->compat_setsockopt)
+ err = sock->ops->compat_setsockopt(sock, level,
+ optname, optval, optlen);
+ else
+ err = sock->ops->setsockopt(sock, level,
+ optname, optval, optlen);
+ sockfd_put(sock);
+ }
+ return err;
}
-static int do_get_sock_timeout(int fd, int level, int optname,
+static int do_get_sock_timeout(struct socket *sock, int level, int optname,
char __user *optval, int __user *optlen)
{
struct compat_timeval __user *up;
len = sizeof(ktime);
old_fs = get_fs();
set_fs(KERNEL_DS);
- err = sys_getsockopt(fd, level, optname, (char *) &ktime, &len);
+ err = sock_getsockopt(sock, level, optname, (char *) &ktime, &len);
set_fs(old_fs);
if (!err) {
return err;
}
-asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
+static int compat_sock_getsockopt(struct socket *sock, int level, int optname,
char __user *optval, int __user *optlen)
{
- if (level == SOL_SOCKET &&
- (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
- return do_get_sock_timeout(fd, level, optname, optval, optlen);
- return sys_getsockopt(fd, level, optname, optval, optlen);
+ if (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)
+ return do_get_sock_timeout(sock, level, optname, optval, optlen);
+ return sock_getsockopt(sock, level, optname, optval, optlen);
+}
+
+int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
+{
+ struct compat_timeval __user *ctv =
+ (struct compat_timeval __user*) userstamp;
+ int err = -ENOENT;
+
+ if (!sock_flag(sk, SOCK_TIMESTAMP))
+ sock_enable_timestamp(sk);
+ if (sk->sk_stamp.tv_sec == -1)
+ return err;
+ if (sk->sk_stamp.tv_sec == 0)
+ do_gettimeofday(&sk->sk_stamp);
+ if (put_user(sk->sk_stamp.tv_sec, &ctv->tv_sec) ||
+ put_user(sk->sk_stamp.tv_usec, &ctv->tv_usec))
+ err = -EFAULT;
+ return err;
}
+EXPORT_SYMBOL(compat_sock_get_timestamp);
+asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ int err;
+ struct socket *sock;
+
+ if ((sock = sockfd_lookup(fd, &err))!=NULL)
+ {
+ err = security_socket_getsockopt(sock, level,
+ optname);
+ if (err) {
+ sockfd_put(sock);
+ return err;
+ }
+
+ if (level == SOL_SOCKET)
+ err = compat_sock_getsockopt(sock, level,
+ optname, optval, optlen);
+ else if (sock->ops->compat_getsockopt)
+ err = sock->ops->compat_getsockopt(sock, level,
+ optname, optval, optlen);
+ else
+ err = sock->ops->getsockopt(sock, level,
+ optname, optval, optlen);
+ sockfd_put(sock);
+ }
+ return err;
+}
/* Argument list sizes for compat_sys_socketcall */
#define AL(x) ((x) * sizeof(u32))
static unsigned char nas[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
int ret;
u32 a[6];
u32 a0, a1;
-
+
if (call < SYS_SOCKET || call > SYS_RECVMSG)
return -EINVAL;
if (copy_from_user(a, args, nas[call]))
return -EFAULT;
a0 = a[0];
a1 = a[1];
-
+
switch(call) {
case SYS_SOCKET:
ret = sys_socket(a0, a1, a[2]);