[Devel] {get|set}sockopt compat layer
Dmitry Mishin
dim at openvz.org
Tue Mar 7 06:07:18 PST 2006
Hello, Arnd!
Sorry for such delay, was on vacancy. Here is a patch, introducing
compat_(get|set)sockopt handlers, as you proposed.
On Tuesday 21 February 2006 14:56, Arnd Bergmann wrote:
> On Tuesday 21 February 2006 10:04, Dmitry Mishin wrote:
> > On Monday 20 February 2006 18:55, Arnd Bergmann wrote:
> > > Is CONFIG_COMPAT the right conditional here? If the code is only used
> > > for architectures that have different aligments, it should not need be
> > > compiled in for the other architectures.
> >
> > So, I'll define ARCH_HAS_FUNNY_64_ALIGNMENT in x86_64 and ia64 code and
> > will check it, as Andi suggested.
>
> I think nowadays, unconditionally setting CONFIG_FUNNY_64_ALIGNMENT from
> arch/{ia64,x86_64}/Kconfig would be the preferred way to a #define in
> include/asm.
>
> > > > #define IPT_ALIGN(s) XT_ALIGN(s)
> > > > +
> > > > +#ifdef CONFIG_COMPAT
> > > > +#include <net/compat.h>
> > > > +
> > > > +struct compat_ipt_getinfo
> > > > +{
> > > > + char name[IPT_TABLE_MAXNAMELEN];
> > > > + compat_uint_t valid_hooks;
> > > > + compat_uint_t hook_entry[NF_IP_NUMHOOKS];
> > > > + compat_uint_t underflow[NF_IP_NUMHOOKS];
> > > > + compat_uint_t num_entries;
> > > > + compat_uint_t size;
> > > > +};
> > >
> > > This structure looks like it does not need any
> > > conversions. You should probably just use
> > > struct ipt_getinfo then.
> >
> > I just saw compat_uint_t use in net/compat.c and thought, that it is a
> > good style to use it. Does anybody know arch, where sizeof(compat_uint_t)
> > != 4?
>
> No, the compat layer already heavily depends on the fact that compat_uint_t
> is always the same as unsigned int.
>
> > > Dito
> >
> > Disagree, ipt_entry_match and ipt_entry_target contain pointers which
> > make their alignment equal 8 byte on 64bits architectures.
>
> Ah, I see.
>
> > > I would much rather have either an extra 'compat' argument to to
> > > sock_setsockopt and proto_ops->setsockopt than to spread the use
> > > of is_compat_task further.
> >
> > Another weak place in my code. is_compat_task() approach has one
> > advantage - it doesn't require a lot of current code modifications.
> >
> > > Is the FIXME above the only reason that the code needs to be changed?
> > > What is the reason that you did not just address this in the
> > > compat_sys_setsockopt implementation?
> >
> > Code above doesn't work. iptables with version >= 1.3 does alignment
> > checks as well as kernel does. So, we can't simply put entries with 8
> > bytes alignment to userspace or with 4 bytes alignment to kernel - we
> > need translate them entry by entry. So, I tried to do this the most
> > correct way - that userspace will hide its alignment from kernel and vice
> > versa, with not only SET_REPLACE, but also GET_INFO, GET_ENTRIES and
> > SET_COUNTERS translation. First implementation was exactly in
> > compat_sys_setsockopt, but David asked me to do this in netfilter code
> > itself.
>
> Ok, I see the point there. It's probably best to push down all the
> conversions from compat_sys_setsockopt down to the protocol specific parts,
> similar to what we do for the ioctl handlers.
>
> I'm thinking of something like
>
> int compat_sock_setsockopt(struct socket *sock, int level, int optname,
> char __user *optval, int optlen)
> {
> switch (optname) {
> case SO_ATTACH_FILTER:
> return do_set_attach_filter(fd, level, optname,
> optval, optlen);
> case SO_SNDTIMEO:
> return do_set_sock_timeout(fd, level, optname,
> optval, optlen);
> default:
> break;
> }
> return sock_setsockopt(sock, level, optname, optval, optlen);
> }
>
> asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
> char __user *optval, int optlen)
> {
> int err;
> struct socket *sock;
>
> 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;
> }
>
> int tcp_setsockopt(struct sock *sk, int level, int optname, char __user
> *optval, int optlen) {
> int err = 0;
>
> err = ip_setsockopt(sk, level, optname, optval, optlen);
>
> #ifdef CONFIG_NETFILTER
> if (err = -ENOPROTOOPT) {
> lock_sock(sk);
> err = nf_setsockopt(sk, PF_INET, optname, optval, optlen);
> release_sock(sk);
> }
> #endif
> return err;
> }
>
> int compat_tcp_setsockopt(struct sock *sk, int level, int optname, char
> __user *optval, int optlen) {
> int err = 0;
>
> err = ip_setsockopt(sk, level, optname, optval, optlen);
>
> #ifdef CONFIG_NETFILTER
> if (err = -ENOPROTOOPT) {
> lock_sock(sk);
> err = compat_nf_setsockopt(sk, PF_INET, optname, optval, optlen);
> release_sock(sk);
> }
> #endif
> return err;
> }
>
> And the same for udp, raw, ipv6, decnet and each of those with getsockopt.
> It is a bigger change, but it puts all the handlers where they belong
> and it is more extensible to other sockopt handlers if we find more
> fsckup in some of them.
>
> Arnd <><
--
Thanks,
Dmitry.
-------------- next part --------------
--- ./include/linux/net.h.compat 2006-03-07 11:22:27.000000000 +0300
+++ ./include/linux/net.h 2006-03-07 11:20:07.000000000 +0300
@@ -149,6 +149,12 @@ struct proto_ops {
int optname, char __user *optval, int optlen);
int (*getsockopt)(struct socket *sock, int level,
int optname, char __user *optval, int __user *optlen);
+#ifdef CONFIG_COMPAT
+ int (*compat_setsockopt)(struct socket *sock, int level,
+ int optname, char __user *optval, int optlen);
+ int (*compat_getsockopt)(struct socket *sock, int level,
+ int optname, char __user *optval, int __user *optlen);
+#endif
int (*sendmsg) (struct kiocb *iocb, struct socket *sock,
struct msghdr *m, size_t total_len);
int (*recvmsg) (struct kiocb *iocb, struct socket *sock,
--- ./include/linux/netfilter.h.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./include/linux/netfilter.h 2006-03-07 15:00:14.000000000 +0300
@@ -2,6 +2,7 @@
#define __LINUX_NETFILTER_H
#ifdef __KERNEL__
+#include <linux/config.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/skbuff.h>
@@ -80,10 +81,18 @@ struct nf_sockopt_ops
int set_optmin;
int set_optmax;
int (*set)(struct sock *sk, int optval, void __user *user, unsigned int len);
+#ifdef CONFIG_COMPAT
+ int (*compat_set)(struct sock *sk, int optval,
+ void __user *user, unsigned int len);
+#endif
int get_optmin;
int get_optmax;
int (*get)(struct sock *sk, int optval, void __user *user, int *len);
+#ifdef CONFIG_COMPAT
+ int (*compat_get)(struct sock *sk, int optval,
+ void __user *user, int *len);
+#endif
/* Number of users inside set() or get(). */
unsigned int use;
@@ -246,6 +255,13 @@ int nf_setsockopt(struct sock *sk, int p
int nf_getsockopt(struct sock *sk, int pf, int optval, char __user *opt,
int *len);
+#ifdef CONFIG_COMPAT
+int compat_nf_setsockopt(struct sock *sk, int pf, int optval,
+ char __user *opt, int len);
+int compat_nf_getsockopt(struct sock *sk, int pf, int optval,
+ char __user *opt, int *len);
+#endif
+
/* Packet queuing */
struct nf_queue_handler {
int (*outfn)(struct sk_buff *skb, struct nf_info *info,
--- ./include/net/inet_connection_sock.h.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./include/net/inet_connection_sock.h 2006-03-07 15:46:20.000000000 +0300
@@ -15,6 +15,7 @@
#ifndef _INET_CONNECTION_SOCK_H
#define _INET_CONNECTION_SOCK_H
+#include <linux/config.h>
#include <linux/compiler.h>
#include <linux/string.h>
#include <linux/timer.h>
@@ -50,6 +51,14 @@ struct inet_connection_sock_af_ops {
char __user *optval, int optlen);
int (*getsockopt)(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen);
+#ifdef CONFIG_COMPAT
+ int (*compat_setsockopt)(struct sock *sk,
+ int level, int optname,
+ char __user *optval, int optlen);
+ int (*compat_getsockopt)(struct sock *sk,
+ int level, int optname,
+ char __user *optval, int __user *optlen);
+#endif
void (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
int sockaddr_len;
};
--- ./include/net/ip.h.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./include/net/ip.h 2006-03-07 14:38:54.000000000 +0300
@@ -356,6 +356,12 @@ extern void ip_cmsg_recv(struct msghdr *
extern int ip_cmsg_send(struct msghdr *msg, struct ipcm_cookie *ipc);
extern int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval, int optlen);
extern int ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen);
+#ifdef CONFIG_COMPAT
+extern int compat_ip_setsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int optlen);
+extern int compat_ip_getsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int __user *optlen);
+#endif
extern int ip_ra_control(struct sock *sk, unsigned char on, void (*destructor)(struct sock *));
extern int ip_recv_error(struct sock *sk, struct msghdr *msg, int len);
--- ./include/net/sctp/structs.h.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./include/net/sctp/structs.h 2006-03-07 15:47:50.000000000 +0300
@@ -54,6 +54,7 @@
#ifndef __sctp_structs_h__
#define __sctp_structs_h__
+#include <linux/config.h>
#include <linux/time.h> /* We get struct timespec. */
#include <linux/socket.h> /* linux/in.h needs this!! */
#include <linux/in.h> /* We get struct sockaddr_in. */
@@ -514,6 +515,18 @@ struct sctp_af {
int optname,
char __user *optval,
int __user *optlen);
+#ifdef CONFIG_COMPAT
+ int (*compat_setsockopt) (struct sock *sk,
+ int level,
+ int optname,
+ char __user *optval,
+ int optlen);
+ int (*compat_getsockopt) (struct sock *sk,
+ int level,
+ int optname,
+ char __user *optval,
+ int __user *optlen);
+#endif
struct dst_entry *(*get_dst) (struct sctp_association *asoc,
union sctp_addr *daddr,
union sctp_addr *saddr);
--- ./include/net/sock.h.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./include/net/sock.h 2006-03-07 15:56:13.000000000 +0300
@@ -520,6 +520,16 @@ struct proto {
int (*getsockopt)(struct sock *sk, int level,
int optname, char __user *optval,
int __user *option);
+#ifdef CONFIG_COMPAT
+ int (*compat_setsockopt)(struct sock *sk,
+ int level,
+ int optname, char __user *optval,
+ int optlen);
+ int (*compat_getsockopt)(struct sock *sk,
+ int level,
+ int optname, char __user *optval,
+ int __user *option);
+#endif
int (*sendmsg)(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len);
int (*recvmsg)(struct kiocb *iocb, struct sock *sk,
@@ -816,6 +826,12 @@ extern int sock_common_recvmsg(struct ki
struct msghdr *msg, size_t size, int flags);
extern int sock_common_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, int optlen);
+#ifdef CONFIG_COMPAT
+extern int compat_sock_common_getsockopt(struct socket *sock, int level,
+ int optname, char __user *optval, int __user *optlen);
+extern int compat_sock_common_setsockopt(struct socket *sock, int level,
+ int optname, char __user *optval, int optlen);
+#endif
extern void sk_common_release(struct sock *sk);
--- ./include/net/tcp.h.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./include/net/tcp.h 2006-03-07 15:43:43.000000000 +0300
@@ -347,6 +347,14 @@ extern int tcp_getsockopt(struct sock
extern int tcp_setsockopt(struct sock *sk, int level,
int optname, char __user *optval,
int optlen);
+#ifdef CONFIG_COMPAT
+extern int compat_tcp_getsockopt(struct sock *sk,
+ int level, int optname,
+ char __user *optval, int __user *optlen);
+extern int compat_tcp_setsockopt(struct sock *sk,
+ int level, int optname,
+ char __user *optval, int optlen);
+#endif
extern void tcp_set_keepalive(struct sock *sk, int val);
extern int tcp_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg,
--- ./net/compat.c.compat 2006-03-07 11:21:00.000000000 +0300
+++ ./net/compat.c 2006-03-07 15:04:49.000000000 +0300
@@ -416,7 +416,7 @@ struct compat_sock_fprog {
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;
@@ -432,11 +432,12 @@ static int do_set_attach_filter(int fd,
__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;
@@ -451,30 +452,61 @@ static int do_set_sock_timeout(int fd, i
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)
{
+ int err;
+ struct socket *sock;
+
/* SO_SET_REPLACE seems to be the same in all levels */
if (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;
@@ -490,7 +522,7 @@ static int do_get_sock_timeout(int fd, i
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) {
@@ -503,15 +535,42 @@ static int do_get_sock_timeout(int fd, i
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);
}
+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),
--- ./net/core/sock.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/core/sock.c 2006-03-07 16:24:57.000000000 +0300
@@ -1385,6 +1385,20 @@ int sock_common_getsockopt(struct socket
EXPORT_SYMBOL(sock_common_getsockopt);
+#ifdef CONFIG_COMPAT
+int compat_sock_common_getsockopt(struct socket *sock, int level,
+ int optname, char __user *optval, int __user *optlen)
+{
+ struct sock *sk = sock->sk;
+
+ if (sk->sk_prot->compat_setsockopt)
+ return sk->sk_prot->compat_getsockopt(sk, level,
+ optname, optval, optlen);
+ return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
+}
+EXPORT_SYMBOL(compat_sock_common_getsockopt);
+#endif
+
int sock_common_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
@@ -1414,6 +1428,20 @@ int sock_common_setsockopt(struct socket
EXPORT_SYMBOL(sock_common_setsockopt);
+#ifdef CONFIG_COMPAT
+int compat_sock_common_setsockopt(struct socket *sock,
+ int level, int optname, char __user *optval, int optlen)
+{
+ struct sock *sk = sock->sk;
+
+ if (sk->sk_prot->compat_setsockopt)
+ return sk->sk_prot->compat_setsockopt(sk, level,
+ optname, optval, optlen);
+ return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
+}
+EXPORT_SYMBOL(compat_sock_common_setsockopt);
+#endif
+
void sk_common_release(struct sock *sk)
{
if (sk->sk_prot->destroy)
--- ./net/dccp/dccp.h.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/dccp/dccp.h 2006-03-07 15:24:36.000000000 +0300
@@ -246,6 +246,14 @@ extern int dccp_getsockopt(struct soc
char __user *optval, int __user *optlen);
extern int dccp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen);
+#ifdef CONFIG_COMPAT
+extern int compat_dccp_getsockopt(struct sock *sk,
+ int level, int optname,
+ char __user *optval, int __user *optlen);
+extern int compat_dccp_setsockopt(struct sock *sk,
+ int level, int optname,
+ char __user *optval, int optlen);
+#endif
extern int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg);
extern int dccp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t size);
--- ./net/dccp/ipv4.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/dccp/ipv4.c 2006-03-07 15:24:42.000000000 +0300
@@ -1028,6 +1028,10 @@ struct inet_connection_sock_af_ops dccp_
.net_header_len = sizeof(struct iphdr),
.setsockopt = ip_setsockopt,
.getsockopt = ip_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_ip_setsockopt,
+ .compat_getsockopt = compat_ip_getsockopt,
+#endif
.addr2sockaddr = inet_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in),
};
@@ -1152,6 +1156,10 @@ struct proto dccp_prot = {
.init = dccp_v4_init_sock,
.setsockopt = dccp_setsockopt,
.getsockopt = dccp_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_dccp_setsockopt,
+ .compat_getsockopt = compat_dccp_getsockopt,
+#endif
.sendmsg = dccp_sendmsg,
.recvmsg = dccp_recvmsg,
.backlog_rcv = dccp_v4_do_rcv,
--- ./net/dccp/ipv6.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/dccp/ipv6.c 2006-03-07 15:57:23.000000000 +0300
@@ -1170,6 +1170,10 @@ static struct proto dccp_v6_prot = {
.init = dccp_v6_init_sock,
.setsockopt = dccp_setsockopt,
.getsockopt = dccp_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_dccp_setsockopt,
+ .compat_getsockopt = compat_dccp_getsockopt,
+#endif
.sendmsg = dccp_sendmsg,
.recvmsg = dccp_recvmsg,
.backlog_rcv = dccp_v6_do_rcv,
@@ -1207,6 +1211,10 @@ static struct proto_ops inet6_dccp_ops =
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
--- ./net/dccp/proto.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/dccp/proto.c 2006-03-07 16:49:11.000000000 +0300
@@ -255,18 +255,13 @@ static int dccp_setsockopt_service(struc
return 0;
}
-int dccp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int optlen)
+static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int optlen)
{
struct dccp_sock *dp;
int err;
int val;
- if (level != SOL_DCCP)
- return inet_csk(sk)->icsk_af_ops->setsockopt(sk, level,
- optname, optval,
- optlen);
-
if (optlen < sizeof(int))
return -EINVAL;
@@ -293,8 +288,34 @@ int dccp_setsockopt(struct sock *sk, int
return err;
}
+int dccp_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int optlen)
+{
+ if (level != SOL_DCCP)
+ return inet_csk(sk)->icsk_af_ops->setsockopt(sk, level,
+ optname, optval,
+ optlen);
+ return do_dccp_setsockopt(sk, level, optname, optval, optlen);
+}
EXPORT_SYMBOL_GPL(dccp_setsockopt);
+#ifdef CONFIG_COMPAT
+int compat_dccp_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int optlen)
+{
+ if (level != SOL_DCCP) {
+ if (inet_csk(sk)->icsk_af_ops->compat_setsockopt)
+ return inet_csk(sk)->icsk_af_ops->compat_setsockopt(sk,
+ level, optname, optval, optlen);
+ else
+ return inet_csk(sk)->icsk_af_ops->setsockopt(sk,
+ level, optname, optval, optlen);
+ }
+ return do_dccp_setsockopt(sk, level, optname, optval, optlen);
+}
+EXPORT_SYMBOL_GPL(compat_dccp_setsockopt);
+#endif
+
static int dccp_getsockopt_service(struct sock *sk, int len,
u32 __user *optval,
int __user *optlen)
@@ -326,16 +347,12 @@ out:
return err;
}
-int dccp_getsockopt(struct sock *sk, int level, int optname,
+static int do_dccp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
struct dccp_sock *dp;
int val, len;
- if (level != SOL_DCCP)
- return inet_csk(sk)->icsk_af_ops->getsockopt(sk, level,
- optname, optval,
- optlen);
if (get_user(len, optlen))
return -EFAULT;
@@ -368,8 +385,34 @@ int dccp_getsockopt(struct sock *sk, int
return 0;
}
+int dccp_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ if (level != SOL_DCCP)
+ return inet_csk(sk)->icsk_af_ops->getsockopt(sk, level,
+ optname, optval,
+ optlen);
+ return do_dccp_getsockopt(sk, level, optname, optval, optlen);
+}
EXPORT_SYMBOL_GPL(dccp_getsockopt);
+#ifdef CONFIG_COMPAT
+int compat_dccp_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ if (level != SOL_DCCP) {
+ if (inet_csk(sk)->icsk_af_ops->compat_setsockopt)
+ return inet_csk(sk)->icsk_af_ops->compat_getsockopt(sk,
+ level, optname, optval, optlen);
+ else
+ return inet_csk(sk)->icsk_af_ops->getsockopt(sk,
+ level, optname, optval, optlen);
+ }
+ return do_dccp_getsockopt(sk, level, optname, optval, optlen);
+}
+EXPORT_SYMBOL_GPL(compat_dccp_getsockopt);
+#endif
+
int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
size_t len)
{
@@ -696,6 +739,10 @@ static const struct proto_ops inet_dccp_
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
--- ./net/ipv4/af_inet.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/ipv4/af_inet.c 2006-03-07 16:25:58.000000000 +0300
@@ -802,6 +802,10 @@ const struct proto_ops inet_stream_ops =
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
@@ -823,6 +827,10 @@ const struct proto_ops inet_dgram_ops =
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
@@ -848,6 +856,10 @@ static const struct proto_ops inet_sockr
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
--- ./net/ipv4/ip_sockglue.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/ipv4/ip_sockglue.c 2006-03-07 14:41:47.000000000 +0300
@@ -380,14 +380,12 @@ out:
* an IP socket.
*/
-int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval, int optlen)
+static int do_ip_setsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int optlen)
{
struct inet_sock *inet = inet_sk(sk);
int val=0,err;
- if (level != SOL_IP)
- return -ENOPROTOOPT;
-
if (((1<<optname) & ((1<<IP_PKTINFO) | (1<<IP_RECVTTL) |
(1<<IP_RECVOPTS) | (1<<IP_RECVTOS) |
(1<<IP_RETOPTS) | (1<<IP_TOS) |
@@ -849,12 +847,7 @@ mc_msf_out:
break;
default:
-#ifdef CONFIG_NETFILTER
- err = nf_setsockopt(sk, PF_INET, optname, optval,
- optlen);
-#else
err = -ENOPROTOOPT;
-#endif
break;
}
release_sock(sk);
@@ -865,12 +858,66 @@ e_inval:
return -EINVAL;
}
+int ip_setsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int optlen)
+{
+ int err;
+
+ if (level != SOL_IP)
+ return -ENOPROTOOPT;
+
+ err = do_ip_setsockopt(sk, level, optname, optval, optlen);
+#ifdef CONFIG_NETFILTER
+ /* we need to exclude all possible ENOPROTOOPTs except default case */
+ if (err == -ENOPROTOOPT && optname != IP_HDRINCL &&
+ optname != IP_IPSEC_POLICY && optname != IP_XFRM_POLICY
+#ifdef CONFIG_IP_MROUTE
+ && (optname < MRT_BASE || optname > (MRT_BASE + 10))
+#endif
+ ) {
+ lock_sock(sk);
+ err = nf_setsockopt(sk, PF_INET, optname, optval, optlen);
+ release_sock(sk);
+ }
+#endif
+ return err;
+}
+
+#ifdef CONFIG_COMPAT
+int compat_ip_setsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int optlen)
+{
+ int err;
+
+ if (level != SOL_IP)
+ return -ENOPROTOOPT;
+
+ err = do_ip_setsockopt(sk, level, optname, optval, optlen);
+#ifdef CONFIG_NETFILTER
+ /* we need to exclude all possible ENOPROTOOPTs except default case */
+ if (err == -ENOPROTOOPT && optname != IP_HDRINCL &&
+ optname != IP_IPSEC_POLICY && optname != IP_XFRM_POLICY
+#ifdef CONFIG_IP_MROUTE
+ && (optname < MRT_BASE || optname > (MRT_BASE + 10))
+#endif
+ ) {
+ lock_sock(sk);
+ err = compat_nf_setsockopt(sk, PF_INET,
+ optname, optval, optlen);
+ release_sock(sk);
+ }
+#endif
+ return err;
+}
+#endif
+
/*
* Get the options. Note for future reference. The GET of IP options gets the
* _received_ ones. The set sets the _sent_ ones.
*/
-int ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen)
+static int do_ip_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
{
struct inet_sock *inet = inet_sk(sk);
int val;
@@ -1051,17 +1098,8 @@ int ip_getsockopt(struct sock *sk, int l
val = inet->freebind;
break;
default:
-#ifdef CONFIG_NETFILTER
- val = nf_getsockopt(sk, PF_INET, optname, optval,
- &len);
- release_sock(sk);
- if (val >= 0)
- val = put_user(len, optlen);
- return val;
-#else
release_sock(sk);
return -ENOPROTOOPT;
-#endif
}
release_sock(sk);
@@ -1082,7 +1120,73 @@ int ip_getsockopt(struct sock *sk, int l
return 0;
}
+int ip_getsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int __user *optlen)
+{
+ int err;
+
+ err = do_ip_getsockopt(sk, level, optname, optval, optlen);
+#ifdef CONFIG_NETFILTER
+ /* we need to exclude all possible ENOPROTOOPTs except default case */
+ if (err == -ENOPROTOOPT && optname != IP_PKTOPTIONS
+#ifdef CONFIG_IP_MROUTE
+ && (optname < MRT_BASE || optname > MRT_BASE+10)
+#endif
+ ) {
+ int len;
+
+ if(get_user(len,optlen))
+ return -EFAULT;
+
+ lock_sock(sk);
+ err = nf_getsockopt(sk, PF_INET, optname, optval,
+ &len);
+ release_sock(sk);
+ if (err >= 0)
+ err = put_user(len, optlen);
+ return err;
+ }
+#endif
+ return err;
+}
+
+#ifdef CONFIG_COMPAT
+int compat_ip_getsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int __user *optlen)
+{
+ int err;
+
+ err = do_ip_getsockopt(sk, level, optname, optval, optlen);
+#ifdef CONFIG_NETFILTER
+ /* we need to exclude all possible ENOPROTOOPTs except default case */
+ if (err == -ENOPROTOOPT && optname != IP_PKTOPTIONS
+#ifdef CONFIG_IP_MROUTE
+ && (optname < MRT_BASE || optname > MRT_BASE+10)
+#endif
+ ) {
+ int len;
+
+ if(get_user(len,optlen))
+ return -EFAULT;
+
+ lock_sock(sk);
+ err = compat_nf_getsockopt(sk, PF_INET,
+ optname, optval, &len);
+ release_sock(sk);
+ if (err >= 0)
+ err = put_user(len, optlen);
+ return err;
+ }
+#endif
+ return err;
+}
+#endif
+
EXPORT_SYMBOL(ip_cmsg_recv);
EXPORT_SYMBOL(ip_getsockopt);
EXPORT_SYMBOL(ip_setsockopt);
+#ifdef CONFIG_COMPAT
+EXPORT_SYMBOL(compat_ip_getsockopt);
+EXPORT_SYMBOL(compat_ip_setsockopt);
+#endif
--- ./net/ipv4/raw.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/ipv4/raw.c 2006-03-07 15:34:44.000000000 +0300
@@ -660,12 +660,9 @@ static int raw_geticmpfilter(struct sock
out: return ret;
}
-static int raw_setsockopt(struct sock *sk, int level, int optname,
+static int do_raw_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
- if (level != SOL_RAW)
- return ip_setsockopt(sk, level, optname, optval, optlen);
-
if (optname == ICMP_FILTER) {
if (inet_sk(sk)->num != IPPROTO_ICMP)
return -EOPNOTSUPP;
@@ -675,12 +672,28 @@ static int raw_setsockopt(struct sock *s
return -ENOPROTOOPT;
}
-static int raw_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
+static int raw_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int optlen)
{
if (level != SOL_RAW)
- return ip_getsockopt(sk, level, optname, optval, optlen);
+ return ip_setsockopt(sk, level, optname, optval, optlen);
+ return do_raw_setsockopt(sk, level, optname, optval, optlen);
+}
+#ifdef CONFIG_COMPAT
+static int compat_raw_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int optlen)
+{
+ if (level != SOL_RAW)
+ return compat_ip_setsockopt(sk, level,
+ optname, optval, optlen);
+ return do_raw_setsockopt(sk, level, optname, optval, optlen);
+}
+#endif
+
+static int do_raw_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
if (optname == ICMP_FILTER) {
if (inet_sk(sk)->num != IPPROTO_ICMP)
return -EOPNOTSUPP;
@@ -690,6 +703,25 @@ static int raw_getsockopt(struct sock *s
return -ENOPROTOOPT;
}
+static int raw_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ if (level != SOL_RAW)
+ return ip_getsockopt(sk, level, optname, optval, optlen);
+ return do_raw_getsockopt(sk, level, optname, optval, optlen);
+}
+
+#ifdef CONFIG_COMPAT
+static int compat_raw_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ if (level != SOL_RAW)
+ return compat_ip_getsockopt(sk, level,
+ optname, optval, optlen);
+ return do_raw_getsockopt(sk, level, optname, optval, optlen);
+}
+#endif
+
static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
switch (cmd) {
@@ -728,6 +760,10 @@ struct proto raw_prot = {
.init = raw_init,
.setsockopt = raw_setsockopt,
.getsockopt = raw_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_raw_setsockopt,
+ .compat_getsockopt = compat_raw_getsockopt,
+#endif
.sendmsg = raw_sendmsg,
.recvmsg = raw_recvmsg,
.bind = raw_bind,
--- ./net/ipv4/tcp.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/ipv4/tcp.c 2006-03-07 16:36:21.000000000 +0300
@@ -1687,18 +1687,14 @@ int tcp_disconnect(struct sock *sk, int
/*
* Socket option code for TCP.
*/
-int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
- int optlen)
+static int do_tcp_setsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int optlen)
{
struct tcp_sock *tp = tcp_sk(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
int val;
int err = 0;
- if (level != SOL_TCP)
- return icsk->icsk_af_ops->setsockopt(sk, level, optname,
- optval, optlen);
-
/* This is a string value all the others are int's */
if (optname == TCP_CONGESTION) {
char name[TCP_CA_NAME_MAX];
@@ -1871,6 +1867,35 @@ int tcp_setsockopt(struct sock *sk, int
return err;
}
+int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
+ int optlen)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+
+ if (level != SOL_TCP)
+ return icsk->icsk_af_ops->setsockopt(sk, level, optname,
+ optval, optlen);
+ return do_tcp_setsockopt(sk, level, optname, optval, optlen);
+}
+
+#ifdef CONFIG_COMPAT
+int compat_tcp_setsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int optlen)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+
+ if (level != SOL_TCP) {
+ if (icsk->icsk_af_ops->compat_setsockopt)
+ return icsk->icsk_af_ops->compat_setsockopt(sk,
+ level, optname, optval, optlen);
+ else
+ return icsk->icsk_af_ops->setsockopt(sk,
+ level, optname, optval, optlen);
+ }
+ return do_tcp_setsockopt(sk, level, optname, optval, optlen);
+}
+#endif
+
/* Return information about state of tcp endpoint in API format. */
void tcp_get_info(struct sock *sk, struct tcp_info *info)
{
@@ -1931,17 +1956,13 @@ void tcp_get_info(struct sock *sk, struc
EXPORT_SYMBOL_GPL(tcp_get_info);
-int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval,
- int __user *optlen)
+static int do_tcp_getsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int __user *optlen)
{
struct inet_connection_sock *icsk = inet_csk(sk);
struct tcp_sock *tp = tcp_sk(sk);
int val, len;
- if (level != SOL_TCP)
- return icsk->icsk_af_ops->getsockopt(sk, level, optname,
- optval, optlen);
-
if (get_user(len, optlen))
return -EFAULT;
@@ -2025,6 +2046,34 @@ int tcp_getsockopt(struct sock *sk, int
return 0;
}
+int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval,
+ int __user *optlen)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+
+ if (level != SOL_TCP)
+ return icsk->icsk_af_ops->getsockopt(sk, level, optname,
+ optval, optlen);
+ return do_tcp_getsockopt(sk, level, optname, optval, optlen);
+}
+
+#ifdef CONFIG_COMPAT
+int compat_tcp_getsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int __user *optlen)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+
+ if (level != SOL_TCP) {
+ if (icsk->icsk_af_ops->compat_getsockopt)
+ return icsk->icsk_af_ops->compat_getsockopt(sk,
+ level, optname, optval, optlen);
+ else
+ return icsk->icsk_af_ops->getsockopt(sk,
+ level, optname, optval, optlen);
+ }
+ return do_tcp_getsockopt(sk, level, optname, optval, optlen);
+}
+#endif
extern void __skb_cb_too_small_for_tcp(int, int);
extern struct tcp_congestion_ops tcp_reno;
@@ -2142,3 +2191,7 @@ EXPORT_SYMBOL(tcp_sendpage);
EXPORT_SYMBOL(tcp_setsockopt);
EXPORT_SYMBOL(tcp_shutdown);
EXPORT_SYMBOL(tcp_statistics);
+#ifdef CONFIG_COMPAT
+EXPORT_SYMBOL(compat_tcp_setsockopt);
+EXPORT_SYMBOL(compat_tcp_getsockopt);
+#endif
--- ./net/ipv4/tcp_ipv4.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/ipv4/tcp_ipv4.c 2006-03-07 15:46:22.000000000 +0300
@@ -1225,6 +1225,10 @@ struct inet_connection_sock_af_ops ipv4_
.net_header_len = sizeof(struct iphdr),
.setsockopt = ip_setsockopt,
.getsockopt = ip_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_ip_setsockopt,
+ .compat_getsockopt = compat_ip_getsockopt,
+#endif
.addr2sockaddr = inet_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in),
};
@@ -1807,6 +1811,10 @@ struct proto tcp_prot = {
.shutdown = tcp_shutdown,
.setsockopt = tcp_setsockopt,
.getsockopt = tcp_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_tcp_setsockopt,
+ .compat_getsockopt = compat_tcp_getsockopt,
+#endif
.sendmsg = tcp_sendmsg,
.recvmsg = tcp_recvmsg,
.backlog_rcv = tcp_v4_do_rcv,
--- ./net/ipv4/udp.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/ipv4/udp.c 2006-03-07 12:38:44.000000000 +0300
@@ -1207,16 +1207,13 @@ static int udp_destroy_sock(struct sock
/*
* Socket option code for UDP
*/
-static int udp_setsockopt(struct sock *sk, int level, int optname,
+static int do_udp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
struct udp_sock *up = udp_sk(sk);
int val;
int err = 0;
- if (level != SOL_UDP)
- return ip_setsockopt(sk, level, optname, optval, optlen);
-
if(optlen<sizeof(int))
return -EINVAL;
@@ -1256,15 +1253,31 @@ static int udp_setsockopt(struct sock *s
return err;
}
-static int udp_getsockopt(struct sock *sk, int level, int optname,
+static int udp_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int optlen)
+{
+ if (level != SOL_UDP)
+ return ip_setsockopt(sk, level, optname, optval, optlen);
+ return do_udp_setsockopt(sk, level, optname, optval, optlen);
+}
+
+#ifdef CONFIG_COMPAT
+static int compat_udp_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int optlen)
+{
+ if (level != SOL_UDP)
+ return compat_ip_setsockopt(sk, level,
+ optname, optval, optlen);
+ return do_udp_setsockopt(sk, level, optname, optval, optlen);
+}
+#endif
+
+static int do_udp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
struct udp_sock *up = udp_sk(sk);
int val, len;
- if (level != SOL_UDP)
- return ip_getsockopt(sk, level, optname, optval, optlen);
-
if(get_user(len,optlen))
return -EFAULT;
@@ -1293,6 +1306,24 @@ static int udp_getsockopt(struct sock *s
return 0;
}
+static int udp_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ if (level != SOL_UDP)
+ return ip_getsockopt(sk, level, optname, optval, optlen);
+ return do_udp_getsockopt(sk, level, optname, optval, optlen);
+}
+
+#ifdef CONFIG_COMPAT
+static int compat_udp_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ if (level != SOL_UDP)
+ return compat_ip_getsockopt(sk, level,
+ optname, optval, optlen);
+ return do_udp_getsockopt(sk, level, optname, optval, optlen);
+}
+#endif
/**
* udp_poll - wait for a UDP event.
* @file - file struct
@@ -1350,6 +1381,10 @@ struct proto udp_prot = {
.destroy = udp_destroy_sock,
.setsockopt = udp_setsockopt,
.getsockopt = udp_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_udp_setsockopt,
+ .compat_getsockopt = compat_udp_getsockopt,
+#endif
.sendmsg = udp_sendmsg,
.recvmsg = udp_recvmsg,
.sendpage = udp_sendpage,
--- ./net/ipv6/af_inet6.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/ipv6/af_inet6.c 2006-03-07 16:26:21.000000000 +0300
@@ -470,6 +470,10 @@ const struct proto_ops inet6_stream_ops
.shutdown = inet_shutdown, /* ok */
.setsockopt = sock_common_setsockopt, /* ok */
.getsockopt = sock_common_getsockopt, /* ok */
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg, /* ok */
.recvmsg = sock_common_recvmsg, /* ok */
.mmap = sock_no_mmap,
@@ -491,6 +495,10 @@ const struct proto_ops inet6_dgram_ops =
.shutdown = inet_shutdown, /* ok */
.setsockopt = sock_common_setsockopt, /* ok */
.getsockopt = sock_common_getsockopt, /* ok */
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg, /* ok */
.recvmsg = sock_common_recvmsg, /* ok */
.mmap = sock_no_mmap,
@@ -519,6 +527,10 @@ static const struct proto_ops inet6_sock
.shutdown = inet_shutdown, /* ok */
.setsockopt = sock_common_setsockopt, /* ok */
.getsockopt = sock_common_getsockopt, /* ok */
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg, /* ok */
.recvmsg = sock_common_recvmsg, /* ok */
.mmap = sock_no_mmap,
--- ./net/ipv6/tcp_ipv6.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/ipv6/tcp_ipv6.c 2006-03-07 15:42:11.000000000 +0300
@@ -1565,6 +1565,10 @@ struct proto tcpv6_prot = {
.shutdown = tcp_shutdown,
.setsockopt = tcp_setsockopt,
.getsockopt = tcp_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_tcp_setsockopt,
+ .compat_getsockopt = compat_tcp_getsockopt,
+#endif
.sendmsg = tcp_sendmsg,
.recvmsg = tcp_recvmsg,
.backlog_rcv = tcp_v6_do_rcv,
--- ./net/netfilter/nf_sockopt.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/netfilter/nf_sockopt.c 2006-03-07 14:58:57.000000000 +0300
@@ -130,3 +130,72 @@ int nf_getsockopt(struct sock *sk, int p
}
EXPORT_SYMBOL(nf_getsockopt);
+#ifdef CONFIG_COMPAT
+static int compat_nf_sockopt(struct sock *sk, int pf, int val,
+ char __user *opt, int *len, int get)
+{
+ struct list_head *i;
+ struct nf_sockopt_ops *ops;
+ int ret;
+
+ if (down_interruptible(&nf_sockopt_mutex) != 0)
+ return -EINTR;
+
+ list_for_each(i, &nf_sockopts) {
+ ops = (struct nf_sockopt_ops *)i;
+ if (ops->pf == pf) {
+ if (get) {
+ if (val >= ops->get_optmin
+ && val < ops->get_optmax) {
+ ops->use++;
+ up(&nf_sockopt_mutex);
+ if (ops->compat_get)
+ ret = ops->compat_get(sk,
+ val, opt, len);
+ else
+ ret = ops->get(sk,
+ val, opt, len);
+ goto out;
+ }
+ } else {
+ if (val >= ops->set_optmin
+ && val < ops->set_optmax) {
+ ops->use++;
+ up(&nf_sockopt_mutex);
+ if (ops->compat_set)
+ ret = ops->compat_set(sk,
+ val, opt, *len);
+ else
+ ret = ops->set(sk,
+ val, opt, *len);
+ goto out;
+ }
+ }
+ }
+ }
+ up(&nf_sockopt_mutex);
+ return -ENOPROTOOPT;
+
+ out:
+ down(&nf_sockopt_mutex);
+ ops->use--;
+ if (ops->cleanup_task)
+ wake_up_process(ops->cleanup_task);
+ up(&nf_sockopt_mutex);
+ return ret;
+}
+
+int compat_nf_setsockopt(struct sock *sk, int pf,
+ int val, char __user *opt, int len)
+{
+ return compat_nf_sockopt(sk, pf, val, opt, &len, 0);
+}
+EXPORT_SYMBOL(compat_nf_setsockopt);
+
+int compat_nf_getsockopt(struct sock *sk, int pf,
+ int val, char __user *opt, int *len)
+{
+ return compat_nf_sockopt(sk, pf, val, opt, len, 1);
+}
+EXPORT_SYMBOL(compat_nf_getsockopt);
+#endif
--- ./net/sctp/ipv6.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/sctp/ipv6.c 2006-03-07 16:26:56.000000000 +0300
@@ -875,6 +875,10 @@ static const struct proto_ops inet6_seqp
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
--- ./net/sctp/protocol.c.compat 2006-03-06 12:06:34.000000000 +0300
+++ ./net/sctp/protocol.c 2006-03-07 15:51:18.000000000 +0300
@@ -845,6 +845,10 @@ static const struct proto_ops inet_seqpa
.shutdown = inet_shutdown, /* Looks harmless. */
.setsockopt = sock_common_setsockopt, /* IP_SOL IP_OPTION is a problem. */
.getsockopt = sock_common_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
@@ -883,6 +887,10 @@ static struct sctp_af sctp_ipv4_specific
.sctp_xmit = sctp_v4_xmit,
.setsockopt = ip_setsockopt,
.getsockopt = ip_getsockopt,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_ip_setsockopt,
+ .compat_getsockopt = compat_ip_getsockopt,
+#endif
.get_dst = sctp_v4_get_dst,
.get_saddr = sctp_v4_get_saddr,
.copy_addrlist = sctp_v4_copy_addrlist,
More information about the Devel
mailing list