#include <linux/notifier.h>
#include <linux/init.h>
#include <linux/compat.h>
+#include <linux/ctype.h>
#include <net/x25.h>
#include <net/compat.h>
struct sock *sk = sock->sk;
int rc = -ENOPROTOOPT;
+ lock_kernel();
if (level != SOL_X25 || optname != X25_QBITINCL)
goto out;
x25_sk(sk)->qbitincl = !!opt;
rc = 0;
out:
+ unlock_kernel();
return rc;
}
struct sock *sk = sock->sk;
int val, len, rc = -ENOPROTOOPT;
+ lock_kernel();
if (level != SOL_X25 || optname != X25_QBITINCL)
goto out;
val = x25_sk(sk)->qbitincl;
rc = copy_to_user(optval, &val, len) ? -EFAULT : 0;
out:
+ unlock_kernel();
return rc;
}
struct sock *sk = sock->sk;
int rc = -EOPNOTSUPP;
+ lock_kernel();
if (sk->sk_state != TCP_LISTEN) {
memset(&x25_sk(sk)->dest_addr, 0, X25_ADDR_LEN);
sk->sk_max_ack_backlog = backlog;
sk->sk_state = TCP_LISTEN;
rc = 0;
}
+ unlock_kernel();
return rc;
}
return sk;
}
-static int x25_create(struct net *net, struct socket *sock, int protocol)
+static int x25_create(struct net *net, struct socket *sock, int protocol,
+ int kern)
{
struct sock *sk;
struct x25_sock *x25;
- int rc = -ESOCKTNOSUPPORT;
+ int rc = -EAFNOSUPPORT;
- if (net != &init_net)
- return -EAFNOSUPPORT;
+ if (!net_eq(net, &init_net))
+ goto out;
+
+ rc = -ESOCKTNOSUPPORT;
+ if (sock->type != SOCK_SEQPACKET)
+ goto out;
- if (sock->type != SOCK_SEQPACKET || protocol)
+ rc = -EINVAL;
+ if (protocol)
goto out;
- rc = -ENOMEM;
+ rc = -ENOBUFS;
if ((sk = x25_alloc_socket(net)) == NULL)
goto out;
struct sock *sk = sock->sk;
struct x25_sock *x25;
+ lock_kernel();
if (!sk)
goto out;
sock_orphan(sk);
out:
+ unlock_kernel();
return 0;
}
{
struct sock *sk = sock->sk;
struct sockaddr_x25 *addr = (struct sockaddr_x25 *)uaddr;
+ int len, i, rc = 0;
+ lock_kernel();
if (!sock_flag(sk, SOCK_ZAPPED) ||
addr_len != sizeof(struct sockaddr_x25) ||
- addr->sx25_family != AF_X25)
- return -EINVAL;
+ addr->sx25_family != AF_X25) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ len = strlen(addr->sx25_addr.x25_addr);
+ for (i = 0; i < len; i++) {
+ if (!isdigit(addr->sx25_addr.x25_addr[i])) {
+ rc = -EINVAL;
+ goto out;
+ }
+ }
x25_sk(sk)->source_addr = addr->sx25_addr;
x25_insert_socket(sk);
sock_reset_flag(sk, SOCK_ZAPPED);
SOCK_DEBUG(sk, "x25_bind: socket is bound\n");
-
- return 0;
+out:
+ unlock_kernel();
+ return rc;
}
static int x25_wait_for_connection_establishment(struct sock *sk)
struct x25_route *rt;
int rc = 0;
+ lock_kernel();
lock_sock(sk);
if (sk->sk_state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
sock->state = SS_CONNECTED;
x25_route_put(rt);
out:
release_sock(sk);
+ unlock_kernel();
return rc;
}
struct sk_buff *skb;
int rc = -EINVAL;
+ lock_kernel();
if (!sk || sk->sk_state != TCP_LISTEN)
goto out;
out2:
release_sock(sk);
out:
+ unlock_kernel();
return rc;
}
struct sockaddr_x25 *sx25 = (struct sockaddr_x25 *)uaddr;
struct sock *sk = sock->sk;
struct x25_sock *x25 = x25_sk(sk);
+ int rc = 0;
+ lock_kernel();
if (peer) {
- if (sk->sk_state != TCP_ESTABLISHED)
- return -ENOTCONN;
+ if (sk->sk_state != TCP_ESTABLISHED) {
+ rc = -ENOTCONN;
+ goto out;
+ }
sx25->sx25_addr = x25->dest_addr;
} else
sx25->sx25_addr = x25->source_addr;
sx25->sx25_family = AF_X25;
*uaddr_len = sizeof(*sx25);
- return 0;
+out:
+ unlock_kernel();
+ return rc;
+}
+
+static unsigned int x25_datagram_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
+{
+ int rc;
+
+ lock_kernel();
+ rc = datagram_poll(file, sock, wait);
+ unlock_kernel();
+
+ return rc;
}
int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
size_t size;
int qbit = 0, rc = -EINVAL;
+ lock_kernel();
if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_OOB|MSG_EOR|MSG_CMSG_COMPAT))
goto out;
release_sock(sk);
rc = len;
out:
+ unlock_kernel();
return rc;
out_kfree_skb:
kfree_skb(skb);
unsigned char *asmptr;
int rc = -ENOTCONN;
+ lock_kernel();
/*
* This works for seqpacket too. The receiver has ordered the queue for
* us! We do one quick check first though
out_free_dgram:
skb_free_datagram(sk, skb);
out:
+ unlock_kernel();
return rc;
}
void __user *argp = (void __user *)arg;
int rc;
+ lock_kernel();
switch (cmd) {
case TIOCOUTQ: {
int amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
facilities.throughput > 0xDD)
break;
if (facilities.reverse &&
- (facilities.reverse | 0x81)!= 0x81)
+ (facilities.reverse & 0x81) != 0x81)
break;
x25->facilities = facilities;
rc = 0;
break;
}
+ case SIOCX25SCAUSEDIAG: {
+ struct x25_causediag causediag;
+ rc = -EFAULT;
+ if (copy_from_user(&causediag, argp, sizeof(causediag)))
+ break;
+ x25->causediag = causediag;
+ rc = 0;
+ break;
+
+ }
+
case SIOCX25SCUDMATCHLEN: {
struct x25_subaddr sub_addr;
rc = -EINVAL;
rc = -ENOIOCTLCMD;
break;
}
+ unlock_kernel();
return rc;
}
break;
case SIOCGSTAMP:
rc = -EINVAL;
+ lock_kernel();
if (sk)
rc = compat_sock_get_timestamp(sk,
(struct timeval __user*)argp);
+ unlock_kernel();
break;
case SIOCGSTAMPNS:
rc = -EINVAL;
+ lock_kernel();
if (sk)
rc = compat_sock_get_timestampns(sk,
(struct timespec __user*)argp);
+ unlock_kernel();
break;
case SIOCGIFADDR:
case SIOCSIFADDR:
rc = -EPERM;
if (!capable(CAP_NET_ADMIN))
break;
+ lock_kernel();
rc = x25_route_ioctl(cmd, argp);
+ unlock_kernel();
break;
case SIOCX25GSUBSCRIP:
+ lock_kernel();
rc = compat_x25_subscr_ioctl(cmd, argp);
+ unlock_kernel();
break;
case SIOCX25SSUBSCRIP:
rc = -EPERM;
if (!capable(CAP_NET_ADMIN))
break;
+ lock_kernel();
rc = compat_x25_subscr_ioctl(cmd, argp);
+ unlock_kernel();
break;
case SIOCX25GFACILITIES:
case SIOCX25SFACILITIES:
case SIOCX25GCALLUSERDATA:
case SIOCX25SCALLUSERDATA:
case SIOCX25GCAUSEDIAG:
+ case SIOCX25SCAUSEDIAG:
case SIOCX25SCUDMATCHLEN:
case SIOCX25CALLACCPTAPPRV:
case SIOCX25SENDCALLACCPT:
}
#endif
-static const struct proto_ops SOCKOPS_WRAPPED(x25_proto_ops) = {
+static const struct proto_ops x25_proto_ops = {
.family = AF_X25,
.owner = THIS_MODULE,
.release = x25_release,
.socketpair = sock_no_socketpair,
.accept = x25_accept,
.getname = x25_getname,
- .poll = datagram_poll,
+ .poll = x25_datagram_poll,
.ioctl = x25_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = compat_x25_ioctl,
.sendpage = sock_no_sendpage,
};
-SOCKOPS_WRAP(x25_proto, AF_X25);
-
static struct packet_type x25_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_X25),
.func = x25_lapb_receive_frame,
if (rc != 0)
goto out;
- sock_register(&x25_family_ops);
+ rc = sock_register(&x25_family_ops);
+ if (rc != 0)
+ goto out_proto;
dev_add_pack(&x25_packet_type);
- register_netdevice_notifier(&x25_dev_notifier);
+ rc = register_netdevice_notifier(&x25_dev_notifier);
+ if (rc != 0)
+ goto out_sock;
printk(KERN_INFO "X.25 for Linux Version 0.2\n");
-#ifdef CONFIG_SYSCTL
x25_register_sysctl();
-#endif
- x25_proc_init();
+ rc = x25_proc_init();
+ if (rc != 0)
+ goto out_dev;
out:
return rc;
+out_dev:
+ unregister_netdevice_notifier(&x25_dev_notifier);
+out_sock:
+ sock_unregister(AF_X25);
+out_proto:
+ proto_unregister(&x25_proto);
+ goto out;
}
module_init(x25_init);
x25_link_free();
x25_route_free();
-#ifdef CONFIG_SYSCTL
x25_unregister_sysctl();
-#endif
unregister_netdevice_notifier(&x25_dev_notifier);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff