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-rw-r--r--net/ipv4/af_inet.c12
-rw-r--r--net/ipv4/ip_sockglue.c142
-rw-r--r--net/ipv4/raw.c50
-rw-r--r--net/ipv4/tcp.c77
-rw-r--r--net/ipv4/tcp_ipv4.c8
-rw-r--r--net/ipv4/udp.c51
6 files changed, 294 insertions, 46 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 97c276f95b3..454e523b506 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -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,
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index b5c4f61518e..49ff1cd4e1c 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -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
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index f29a12da510..f1b02b34fc0 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -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,
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 00aa80e9324..31b0123a969 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -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
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 4eb903db1b1..249ef6c8895 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -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,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 00840474a44..0b0721bd45c 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -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,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 10:51:17 +0000