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[NET]: {get|set}sockopt compatibility layer 

This patch extends {get|set}sockopt compatibility layer in order to
move protocol specific parts to their place and avoid huge universal
net/compat.c file in the future.

Signed-off-by: Dmitry Mishin <dim@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dmitry Mishin 2006-03-20 22:45:21 -08:00 committed by David S. Miller
parent c750360938
commit 3fdadf7d27
29 changed files with 928 additions and 139 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/net.h
View File

@ -149,6 +149,10 @@ 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);
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);
int (*sendmsg) (struct kiocb *iocb, struct socket *sock,
struct msghdr *m, size_t total_len);
int (*recvmsg) (struct kiocb *iocb, struct socket *sock,

9
include/linux/netfilter.h
View File

@ -80,10 +80,14 @@ struct nf_sockopt_ops
int set_optmin;
int set_optmax;
int (*set)(struct sock *sk, int optval, void __user *user, unsigned int len);
int (*compat_set)(struct sock *sk, int optval,
void __user *user, unsigned int len);
int get_optmin;
int get_optmax;
int (*get)(struct sock *sk, int optval, void __user *user, int *len);
int (*compat_get)(struct sock *sk, int optval,
void __user *user, int *len);
/* Number of users inside set() or get(). */
unsigned int use;
@ -246,6 +250,11 @@ int nf_setsockopt(struct sock *sk, int pf, int optval, char __user *opt,
int nf_getsockopt(struct sock *sk, int pf, int optval, char __user *opt,
int *len);
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);
/* Packet queuing */
struct nf_queue_handler {
int (*outfn)(struct sk_buff *skb, struct nf_info *info,

6
include/net/inet_connection_sock.h
View File

@ -50,6 +50,12 @@ 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);
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);
void (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
int sockaddr_len;
};

4
include/net/ip.h
View File

@ -356,6 +356,10 @@ extern void ip_cmsg_recv(struct msghdr *msg, struct sk_buff *skb);
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);
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);
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);

10
include/net/ipv6.h
View File

@ -520,6 +520,16 @@ extern int ipv6_getsockopt(struct sock *sk, int level,
int optname,
char __user *optval,
int __user *optlen);
extern int compat_ipv6_setsockopt(struct sock *sk,
int level,
int optname,
char __user *optval,
int optlen);
extern int compat_ipv6_getsockopt(struct sock *sk,
int level,
int optname,
char __user *optval,
int __user *optlen);
extern void ipv6_packet_init(void);

10
include/net/sctp/structs.h
View File

@ -514,6 +514,16 @@ struct sctp_af {
int optname,
char __user *optval,
int __user *optlen);
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);
struct dst_entry *(*get_dst) (struct sctp_association *asoc,
union sctp_addr *daddr,
union sctp_addr *saddr);

12
include/net/sock.h
View File

@ -520,6 +520,14 @@ struct proto {
int (*getsockopt)(struct sock *sk, int level,
int optname, char __user *optval,
int __user *option);
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);
int (*sendmsg)(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len);
int (*recvmsg)(struct kiocb *iocb, struct sock *sk,
@ -816,6 +824,10 @@ extern int sock_common_recvmsg(struct kiocb *iocb, struct socket *sock,
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);
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);
extern void sk_common_release(struct sock *sk);

6
include/net/tcp.h
View File

@ -353,6 +353,12 @@ extern int tcp_getsockopt(struct sock *sk, int level,
extern int tcp_setsockopt(struct sock *sk, int level,
int optname, char __user *optval,
int optlen);
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);
extern void tcp_set_keepalive(struct sock *sk, int val);
extern int tcp_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg,

95
net/compat.c
View File

@ -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, int level, int optname,
__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, int level, int optname, char __user *optv
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, int level, int optname,
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, int level, int optname,
return err;
}
static int compat_sock_getsockopt(struct socket *sock, int level, int optname,
char __user *optval, int __user *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)
{
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);
}
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),

28
net/core/sock.c
View File

@ -1385,6 +1385,20 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname,
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 *sock, int level, int optname,
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)

8
net/dccp/dccp.h
View File

@ -192,6 +192,14 @@ extern int dccp_getsockopt(struct sock *sk, int level, int optname,
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);

12
net/dccp/ipv4.c
View File

@ -994,6 +994,10 @@ static struct inet_connection_sock_af_ops dccp_ipv4_af_ops = {
.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),
};
@ -1040,6 +1044,10 @@ static struct proto dccp_v4_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,
@ -1079,6 +1087,10 @@ static const struct proto_ops inet_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,

16
net/dccp/ipv6.c
View File

@ -1114,6 +1114,10 @@ static struct inet_connection_sock_af_ops dccp_ipv6_af_ops = {
.net_header_len = sizeof(struct ipv6hdr),
.setsockopt = ipv6_setsockopt,
.getsockopt = ipv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6)
};
@ -1130,6 +1134,10 @@ static struct inet_connection_sock_af_ops dccp_ipv6_mapped = {
.net_header_len = sizeof(struct iphdr),
.setsockopt = ipv6_setsockopt,
.getsockopt = ipv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6)
};
@ -1167,6 +1175,10 @@ 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,
@ -1204,6 +1216,10 @@ 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,

65
net/dccp/proto.c
View File

@ -455,18 +455,13 @@ out_free_val:
goto out;
}
int dccp_setsockopt(struct sock *sk, int level, int optname,
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;
@ -512,8 +507,34 @@ int dccp_setsockopt(struct sock *sk, int level, int optname,
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,
__be32 __user *optval,
int __user *optlen)
@ -545,16 +566,12 @@ 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;
@ -587,8 +604,34 @@ int dccp_getsockopt(struct sock *sk, int level, int optname,
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)
{

12
net/ipv4/af_inet.c
View File

@ -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_sockraw_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,

142
net/ipv4/ip_sockglue.c
View File

@ -399,14 +399,12 @@ 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) |
@ -875,12 +873,7 @@ 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);
@ -891,12 +884,66 @@ 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;
@ -1080,17 +1127,8 @@ int ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval,
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);
@ -1111,7 +1149,73 @@ int ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval,
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

50
net/ipv4/raw.c
View File

@ -660,12 +660,9 @@ static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *o
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 *sk, int level, int optname,
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 *sk, int level, int optname,
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,

77
net/ipv4/tcp.c
View File

@ -1687,18 +1687,14 @@ int tcp_disconnect(struct sock *sk, int flags)
/*
* 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 level, int optname, char __user *optval,
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, struct tcp_info *info)
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 level, int optname, char __user *optval,
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

8
net/ipv4/tcp_ipv4.c
View File

@ -1226,6 +1226,10 @@ struct inet_connection_sock_af_ops ipv4_specific = {
.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),
};
@ -1808,6 +1812,10 @@ 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,

51
net/ipv4/udp.c
View File

@ -1207,16 +1207,13 @@ static int udp_destroy_sock(struct sock *sk)
/*
* 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 *sk, int level, int optname,
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 *sk, int level, int optname,
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,

12
net/ipv6/af_inet6.c
View File

@ -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_sockraw_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,

163
net/ipv6/ipv6_sockglue.c
View File

@ -109,19 +109,13 @@ int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
return 0;
}
int ipv6_setsockopt(struct sock *sk, int level, int optname,
static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
struct ipv6_pinfo *np = inet6_sk(sk);
int val, valbool;
int retv = -ENOPROTOOPT;
if (level == SOL_IP && sk->sk_type != SOCK_RAW)
return udp_prot.setsockopt(sk, level, optname, optval, optlen);
if(level!=SOL_IPV6)
goto out;
if (optval == NULL)
val=0;
else if (get_user(val, (int __user *) optval))
@ -613,17 +607,9 @@ done:
retv = xfrm_user_policy(sk, optname, optval, optlen);
break;
#ifdef CONFIG_NETFILTER
default:
retv = nf_setsockopt(sk, PF_INET6, optname, optval,
optlen);
break;
#endif
}
release_sock(sk);
out:
return retv;
e_inval:
@ -631,6 +617,65 @@ e_inval:
return -EINVAL;
}
int ipv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
int err;
if (level == SOL_IP && sk->sk_type != SOCK_RAW)
return udp_prot.setsockopt(sk, level, optname, optval, optlen);
if (level != SOL_IPV6)
return -ENOPROTOOPT;
err = do_ipv6_setsockopt(sk, level, optname, optval, optlen);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
if (err == -ENOPROTOOPT && optname != IPV6_IPSEC_POLICY &&
optname != IPV6_XFRM_POLICY) {
lock_sock(sk);
err = nf_setsockopt(sk, PF_INET6, optname, optval,
optlen);
release_sock(sk);
}
#endif
return err;
}
#ifdef CONFIG_COMPAT
int compat_ipv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
int err;
if (level == SOL_IP && sk->sk_type != SOCK_RAW) {
if (udp_prot.compat_setsockopt)
return udp_prot.compat_setsockopt(sk, level,
optname, optval, optlen);
else
return udp_prot.setsockopt(sk, level,
optname, optval, optlen);
}
if (level != SOL_IPV6)
return -ENOPROTOOPT;
err = do_ipv6_setsockopt(sk, level, optname, optval, optlen);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
if (err == -ENOPROTOOPT && optname != IPV6_IPSEC_POLICY &&
optname != IPV6_XFRM_POLICY) {
lock_sock(sk);
err = compat_nf_setsockopt(sk, PF_INET6, optname, optval,
optlen);
release_sock(sk);
}
#endif
return err;
}
#endif
static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_opt_hdr *hdr,
char __user *optval, int len)
{
@ -642,17 +687,13 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_opt_hdr *hdr,
return len;
}
int ipv6_getsockopt(struct sock *sk, int level, int optname,
static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
struct ipv6_pinfo *np = inet6_sk(sk);
int len;
int val;
if (level == SOL_IP && sk->sk_type != SOCK_RAW)
return udp_prot.getsockopt(sk, level, optname, optval, optlen);
if(level!=SOL_IPV6)
return -ENOPROTOOPT;
if (get_user(len, optlen))
return -EFAULT;
switch (optname) {
@ -842,17 +883,7 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
break;
default:
#ifdef CONFIG_NETFILTER
lock_sock(sk);
val = nf_getsockopt(sk, PF_INET6, optname, optval,
&len);
release_sock(sk);
if (val >= 0)
val = put_user(len, optlen);
return val;
#else
return -EINVAL;
#endif
}
len = min_t(unsigned int, sizeof(int), len);
if(put_user(len, optlen))
@ -862,6 +893,78 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
return 0;
}
int ipv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
int err;
if (level == SOL_IP && sk->sk_type != SOCK_RAW)
return udp_prot.getsockopt(sk, level, optname, optval, optlen);
if(level != SOL_IPV6)
return -ENOPROTOOPT;
err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible EINVALs except default case */
if (err == -ENOPROTOOPT && optname != IPV6_ADDRFORM &&
optname != MCAST_MSFILTER) {
int len;
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
err = nf_getsockopt(sk, PF_INET6, optname, optval,
&len);
release_sock(sk);
if (err >= 0)
err = put_user(len, optlen);
}
#endif
return err;
}
#ifdef CONFIG_COMPAT
int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
int err;
if (level == SOL_IP && sk->sk_type != SOCK_RAW) {
if (udp_prot.compat_getsockopt)
return udp_prot.compat_getsockopt(sk, level,
optname, optval, optlen);
else
return udp_prot.getsockopt(sk, level,
optname, optval, optlen);
}
if(level != SOL_IPV6)
return -ENOPROTOOPT;
err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible EINVALs except default case */
if (err == -ENOPROTOOPT && optname != IPV6_ADDRFORM &&
optname != MCAST_MSFILTER) {
int len;
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
err = compat_nf_getsockopt(sk, PF_INET6, optname, optval,
&len);
release_sock(sk);
if (err >= 0)
err = put_user(len, optlen);
}
#endif
return err;
}
#endif
void __init ipv6_packet_init(void)
{
dev_add_pack(&ipv6_packet_type);

4
net/ipv6/ipv6_syms.c
View File

@ -18,6 +18,10 @@ EXPORT_SYMBOL(ip6_route_output);
EXPORT_SYMBOL(addrconf_lock);
EXPORT_SYMBOL(ipv6_setsockopt);
EXPORT_SYMBOL(ipv6_getsockopt);
#ifdef CONFIG_COMPAT
EXPORT_SYMBOL(compat_ipv6_setsockopt);
EXPORT_SYMBOL(compat_ipv6_getsockopt);
#endif
EXPORT_SYMBOL(inet6_register_protosw);
EXPORT_SYMBOL(inet6_unregister_protosw);
EXPORT_SYMBOL(inet6_add_protocol);

112
net/ipv6/raw.c
View File

@ -859,29 +859,12 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
}
static int rawv6_setsockopt(struct sock *sk, int level, int optname,
static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
struct raw6_sock *rp = raw6_sk(sk);
int val;
switch(level) {
case SOL_RAW:
break;
case SOL_ICMPV6:
if (inet_sk(sk)->num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_seticmpfilter(sk, level, optname, optval,
optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
break;
default:
return ipv6_setsockopt(sk, level, optname, optval,
optlen);
};
if (get_user(val, (int __user *)optval))
return -EFAULT;
@ -906,12 +889,9 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname,
}
}
static int rawv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
static int rawv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
struct raw6_sock *rp = raw6_sk(sk);
int val, len;
switch(level) {
case SOL_RAW:
break;
@ -919,15 +899,47 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
case SOL_ICMPV6:
if (inet_sk(sk)->num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_geticmpfilter(sk, level, optname, optval,
return rawv6_seticmpfilter(sk, level, optname, optval,
optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
break;
default:
return ipv6_getsockopt(sk, level, optname, optval,
return ipv6_setsockopt(sk, level, optname, optval,
optlen);
};
return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
}
#ifdef CONFIG_COMPAT
static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
switch(level) {
case SOL_RAW:
break;
case SOL_ICMPV6:
if (inet_sk(sk)->num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_seticmpfilter(sk, level, optname, optval,
optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
break;
default:
return compat_ipv6_setsockopt(sk, level,
optname, optval, optlen);
};
return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
}
#endif
static int do_rawv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
struct raw6_sock *rp = raw6_sk(sk);
int val, len;
if (get_user(len,optlen))
return -EFAULT;
@ -953,6 +965,52 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
return 0;
}
static int rawv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
switch(level) {
case SOL_RAW:
break;
case SOL_ICMPV6:
if (inet_sk(sk)->num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_geticmpfilter(sk, level, optname, optval,
optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
break;
default:
return ipv6_getsockopt(sk, level, optname, optval,
optlen);
};
return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
}
#ifdef CONFIG_COMPAT
static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
switch(level) {
case SOL_RAW:
break;
case SOL_ICMPV6:
if (inet_sk(sk)->num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_geticmpfilter(sk, level, optname, optval,
optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
break;
default:
return compat_ipv6_getsockopt(sk, level,
optname, optval, optlen);
};
return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
}
#endif
static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
switch(cmd) {
@ -1008,6 +1066,10 @@ struct proto rawv6_prot = {
.destroy = inet6_destroy_sock,
.setsockopt = rawv6_setsockopt,
.getsockopt = rawv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_rawv6_setsockopt,
.compat_getsockopt = compat_rawv6_getsockopt,
#endif
.sendmsg = rawv6_sendmsg,
.recvmsg = rawv6_recvmsg,
.bind = rawv6_bind,

12
net/ipv6/tcp_ipv6.c
View File

@ -1308,6 +1308,10 @@ static struct inet_connection_sock_af_ops ipv6_specific = {
.setsockopt = ipv6_setsockopt,
.getsockopt = ipv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6)
};
@ -1327,6 +1331,10 @@ static struct inet_connection_sock_af_ops ipv6_mapped = {
.setsockopt = ipv6_setsockopt,
.getsockopt = ipv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6)
};
@ -1566,6 +1574,10 @@ 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,

52
net/ipv6/udp.c
View File

@ -880,16 +880,13 @@ static int udpv6_destroy_sock(struct sock *sk)
/*
* Socket option code for UDP
*/
static int udpv6_setsockopt(struct sock *sk, int level, int optname,
static int do_udpv6_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 ipv6_setsockopt(sk, level, optname, optval, optlen);
if(optlen<sizeof(int))
return -EINVAL;
@ -927,15 +924,31 @@ static int udpv6_setsockopt(struct sock *sk, int level, int optname,
return err;
}
static int udpv6_getsockopt(struct sock *sk, int level, int optname,
static int udpv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
if (level != SOL_UDP)
return ipv6_setsockopt(sk, level, optname, optval, optlen);
return do_udpv6_setsockopt(sk, level, optname, optval, optlen);
}
#ifdef CONFIG_COMPAT
static int compat_udpv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
if (level != SOL_UDP)
return compat_ipv6_setsockopt(sk, level,
optname, optval, optlen);
return do_udpv6_setsockopt(sk, level, optname, optval, optlen);
}
#endif
static int do_udpv6_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 ipv6_getsockopt(sk, level, optname, optval, optlen);
if(get_user(len,optlen))
return -EFAULT;
@ -964,6 +977,25 @@ static int udpv6_getsockopt(struct sock *sk, int level, int optname,
return 0;
}
static int udpv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
if (level != SOL_UDP)
return ipv6_getsockopt(sk, level, optname, optval, optlen);
return do_udpv6_getsockopt(sk, level, optname, optval, optlen);
}
#ifdef CONFIG_COMPAT
static int compat_udpv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
if (level != SOL_UDP)
return compat_ipv6_getsockopt(sk, level,
optname, optval, optlen);
return do_udpv6_getsockopt(sk, level, optname, optval, optlen);
}
#endif
static struct inet6_protocol udpv6_protocol = {
.handler = udpv6_rcv,
.err_handler = udpv6_err,
@ -1046,6 +1078,10 @@ struct proto udpv6_prot = {
.destroy = udpv6_destroy_sock,
.setsockopt = udpv6_setsockopt,
.getsockopt = udpv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
.sendmsg = udpv6_sendmsg,
.recvmsg = udpv6_recvmsg,
.backlog_rcv = udpv6_queue_rcv_skb,

69
net/netfilter/nf_sockopt.c
View File

@ -131,3 +131,72 @@ int nf_getsockopt(struct sock *sk, int pf, int val, char __user *opt, int *len)
}
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 (mutex_lock_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++;
mutex_unlock(&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++;
mutex_unlock(&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;
}
}
}
}
mutex_unlock(&nf_sockopt_mutex);
return -ENOPROTOOPT;
out:
mutex_lock(&nf_sockopt_mutex);
ops->use--;
if (ops->cleanup_task)
wake_up_process(ops->cleanup_task);
mutex_unlock(&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

8
net/sctp/ipv6.c
View File

@ -875,6 +875,10 @@ static const struct proto_ops inet6_seqpacket_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,
@ -914,6 +918,10 @@ static struct sctp_af sctp_ipv6_specific = {
.sctp_xmit = sctp_v6_xmit,
.setsockopt = ipv6_setsockopt,
.getsockopt = ipv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
.get_dst = sctp_v6_get_dst,
.get_saddr = sctp_v6_get_saddr,
.copy_addrlist = sctp_v6_copy_addrlist,

8
net/sctp/protocol.c
View File

@ -845,6 +845,10 @@ static const struct proto_ops inet_seqpacket_ops = {
.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,