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

Browse source 
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
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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,

67
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,
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;
@ -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,