diff options
Diffstat (limited to 'net/x25/af_x25.c')
-rw-r--r-- | net/x25/af_x25.c | 471 |
1 files changed, 234 insertions, 237 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 4680b1e..d306154 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -237,21 +237,21 @@ static int x25_device_event(struct notifier_block *this, unsigned long event, #endif ) { switch (event) { - case NETDEV_UP: - x25_link_device_up(dev); - break; - case NETDEV_GOING_DOWN: - nb = x25_get_neigh(dev); - if (nb) { - x25_terminate_link(nb); - x25_neigh_put(nb); - } - break; - case NETDEV_DOWN: - x25_kill_by_device(dev); - x25_route_device_down(dev); - x25_link_device_down(dev); - break; + case NETDEV_UP: + x25_link_device_up(dev); + break; + case NETDEV_GOING_DOWN: + nb = x25_get_neigh(dev); + if (nb) { + x25_terminate_link(nb); + x25_neigh_put(nb); + } + break; + case NETDEV_DOWN: + x25_kill_by_device(dev); + x25_route_device_down(dev); + x25_link_device_down(dev); + break; } } @@ -1336,256 +1336,253 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) int rc; switch (cmd) { - case TIOCOUTQ: { - int amount; + case TIOCOUTQ: { + int amount; - amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk); - if (amount < 0) - amount = 0; - rc = put_user(amount, (unsigned int __user *)argp); - break; - } + amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk); + if (amount < 0) + amount = 0; + rc = put_user(amount, (unsigned int __user *)argp); + break; + } - case TIOCINQ: { - struct sk_buff *skb; - int amount = 0; - /* - * These two are safe on a single CPU system as - * only user tasks fiddle here - */ - lock_sock(sk); - if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL) - amount = skb->len; - release_sock(sk); - rc = put_user(amount, (unsigned int __user *)argp); - break; - } + case TIOCINQ: { + struct sk_buff *skb; + int amount = 0; + /* + * These two are safe on a single CPU system as + * only user tasks fiddle here + */ + lock_sock(sk); + if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL) + amount = skb->len; + release_sock(sk); + rc = put_user(amount, (unsigned int __user *)argp); + break; + } - case SIOCGSTAMP: - rc = -EINVAL; - if (sk) - rc = sock_get_timestamp(sk, + case SIOCGSTAMP: + rc = -EINVAL; + if (sk) + rc = sock_get_timestamp(sk, (struct timeval __user *)argp); + break; + case SIOCGSTAMPNS: + rc = -EINVAL; + if (sk) + rc = sock_get_timestampns(sk, + (struct timespec __user *)argp); + break; + case SIOCGIFADDR: + case SIOCSIFADDR: + case SIOCGIFDSTADDR: + case SIOCSIFDSTADDR: + case SIOCGIFBRDADDR: + case SIOCSIFBRDADDR: + case SIOCGIFNETMASK: + case SIOCSIFNETMASK: + case SIOCGIFMETRIC: + case SIOCSIFMETRIC: + rc = -EINVAL; + break; + case SIOCADDRT: + case SIOCDELRT: + rc = -EPERM; + if (!capable(CAP_NET_ADMIN)) break; - case SIOCGSTAMPNS: - rc = -EINVAL; - if (sk) - rc = sock_get_timestampns(sk, - (struct timespec __user *)argp); - break; - case SIOCGIFADDR: - case SIOCSIFADDR: - case SIOCGIFDSTADDR: - case SIOCSIFDSTADDR: - case SIOCGIFBRDADDR: - case SIOCSIFBRDADDR: - case SIOCGIFNETMASK: - case SIOCSIFNETMASK: - case SIOCGIFMETRIC: - case SIOCSIFMETRIC: - rc = -EINVAL; - break; - case SIOCADDRT: - case SIOCDELRT: - rc = -EPERM; - if (!capable(CAP_NET_ADMIN)) - break; - rc = x25_route_ioctl(cmd, argp); - break; - case SIOCX25GSUBSCRIP: - rc = x25_subscr_ioctl(cmd, argp); - break; - case SIOCX25SSUBSCRIP: - rc = -EPERM; - if (!capable(CAP_NET_ADMIN)) - break; - rc = x25_subscr_ioctl(cmd, argp); - break; - case SIOCX25GFACILITIES: { - lock_sock(sk); - rc = copy_to_user(argp, &x25->facilities, - sizeof(x25->facilities)) - ? -EFAULT : 0; - release_sock(sk); + rc = x25_route_ioctl(cmd, argp); + break; + case SIOCX25GSUBSCRIP: + rc = x25_subscr_ioctl(cmd, argp); + break; + case SIOCX25SSUBSCRIP: + rc = -EPERM; + if (!capable(CAP_NET_ADMIN)) break; - } + rc = x25_subscr_ioctl(cmd, argp); + break; + case SIOCX25GFACILITIES: { + lock_sock(sk); + rc = copy_to_user(argp, &x25->facilities, + sizeof(x25->facilities)) + ? -EFAULT : 0; + release_sock(sk); + break; + } - case SIOCX25SFACILITIES: { - struct x25_facilities facilities; - rc = -EFAULT; - if (copy_from_user(&facilities, argp, - sizeof(facilities))) - break; - rc = -EINVAL; - lock_sock(sk); - if (sk->sk_state != TCP_LISTEN && - sk->sk_state != TCP_CLOSE) - goto out_fac_release; - if (facilities.pacsize_in < X25_PS16 || - facilities.pacsize_in > X25_PS4096) - goto out_fac_release; - if (facilities.pacsize_out < X25_PS16 || - facilities.pacsize_out > X25_PS4096) - goto out_fac_release; - if (facilities.winsize_in < 1 || - facilities.winsize_in > 127) + case SIOCX25SFACILITIES: { + struct x25_facilities facilities; + rc = -EFAULT; + if (copy_from_user(&facilities, argp, sizeof(facilities))) + break; + rc = -EINVAL; + lock_sock(sk); + if (sk->sk_state != TCP_LISTEN && + sk->sk_state != TCP_CLOSE) + goto out_fac_release; + if (facilities.pacsize_in < X25_PS16 || + facilities.pacsize_in > X25_PS4096) + goto out_fac_release; + if (facilities.pacsize_out < X25_PS16 || + facilities.pacsize_out > X25_PS4096) + goto out_fac_release; + if (facilities.winsize_in < 1 || + facilities.winsize_in > 127) + goto out_fac_release; + if (facilities.throughput) { + int out = facilities.throughput & 0xf0; + int in = facilities.throughput & 0x0f; + if (!out) + facilities.throughput |= + X25_DEFAULT_THROUGHPUT << 4; + else if (out < 0x30 || out > 0xD0) goto out_fac_release; - if (facilities.throughput) { - int out = facilities.throughput & 0xf0; - int in = facilities.throughput & 0x0f; - if (!out) - facilities.throughput |= - X25_DEFAULT_THROUGHPUT << 4; - else if (out < 0x30 || out > 0xD0) - goto out_fac_release; - if (!in) - facilities.throughput |= - X25_DEFAULT_THROUGHPUT; - else if (in < 0x03 || in > 0x0D) - goto out_fac_release; - } - if (facilities.reverse && - (facilities.reverse & 0x81) != 0x81) + if (!in) + facilities.throughput |= + X25_DEFAULT_THROUGHPUT; + else if (in < 0x03 || in > 0x0D) goto out_fac_release; - x25->facilities = facilities; - rc = 0; -out_fac_release: - release_sock(sk); - break; - } - - case SIOCX25GDTEFACILITIES: { - lock_sock(sk); - rc = copy_to_user(argp, &x25->dte_facilities, - sizeof(x25->dte_facilities)); - release_sock(sk); - if (rc) - rc = -EFAULT; - break; } + if (facilities.reverse && + (facilities.reverse & 0x81) != 0x81) + goto out_fac_release; + x25->facilities = facilities; + rc = 0; +out_fac_release: + release_sock(sk); + break; + } - case SIOCX25SDTEFACILITIES: { - struct x25_dte_facilities dtefacs; + case SIOCX25GDTEFACILITIES: { + lock_sock(sk); + rc = copy_to_user(argp, &x25->dte_facilities, + sizeof(x25->dte_facilities)); + release_sock(sk); + if (rc) rc = -EFAULT; - if (copy_from_user(&dtefacs, argp, sizeof(dtefacs))) - break; - rc = -EINVAL; - lock_sock(sk); - if (sk->sk_state != TCP_LISTEN && - sk->sk_state != TCP_CLOSE) - goto out_dtefac_release; - if (dtefacs.calling_len > X25_MAX_AE_LEN) - goto out_dtefac_release; - if (dtefacs.calling_ae == NULL) - goto out_dtefac_release; - if (dtefacs.called_len > X25_MAX_AE_LEN) - goto out_dtefac_release; - if (dtefacs.called_ae == NULL) - goto out_dtefac_release; - x25->dte_facilities = dtefacs; - rc = 0; -out_dtefac_release: - release_sock(sk); - break; - } + break; + } - case SIOCX25GCALLUSERDATA: { - lock_sock(sk); - rc = copy_to_user(argp, &x25->calluserdata, - sizeof(x25->calluserdata)) - ? -EFAULT : 0; - release_sock(sk); + case SIOCX25SDTEFACILITIES: { + struct x25_dte_facilities dtefacs; + rc = -EFAULT; + if (copy_from_user(&dtefacs, argp, sizeof(dtefacs))) break; - } + rc = -EINVAL; + lock_sock(sk); + if (sk->sk_state != TCP_LISTEN && + sk->sk_state != TCP_CLOSE) + goto out_dtefac_release; + if (dtefacs.calling_len > X25_MAX_AE_LEN) + goto out_dtefac_release; + if (dtefacs.calling_ae == NULL) + goto out_dtefac_release; + if (dtefacs.called_len > X25_MAX_AE_LEN) + goto out_dtefac_release; + if (dtefacs.called_ae == NULL) + goto out_dtefac_release; + x25->dte_facilities = dtefacs; + rc = 0; +out_dtefac_release: + release_sock(sk); + break; + } - case SIOCX25SCALLUSERDATA: { - struct x25_calluserdata calluserdata; + case SIOCX25GCALLUSERDATA: { + lock_sock(sk); + rc = copy_to_user(argp, &x25->calluserdata, + sizeof(x25->calluserdata)) + ? -EFAULT : 0; + release_sock(sk); + break; + } - rc = -EFAULT; - if (copy_from_user(&calluserdata, argp, - sizeof(calluserdata))) - break; - rc = -EINVAL; - if (calluserdata.cudlength > X25_MAX_CUD_LEN) - break; - lock_sock(sk); - x25->calluserdata = calluserdata; - release_sock(sk); - rc = 0; - break; - } + case SIOCX25SCALLUSERDATA: { + struct x25_calluserdata calluserdata; - case SIOCX25GCAUSEDIAG: { - lock_sock(sk); - rc = copy_to_user(argp, &x25->causediag, - sizeof(x25->causediag)) - ? -EFAULT : 0; - release_sock(sk); + rc = -EFAULT; + if (copy_from_user(&calluserdata, argp, sizeof(calluserdata))) break; - } + rc = -EINVAL; + if (calluserdata.cudlength > X25_MAX_CUD_LEN) + break; + lock_sock(sk); + x25->calluserdata = calluserdata; + release_sock(sk); + rc = 0; + break; + } - case SIOCX25SCAUSEDIAG: { - struct x25_causediag causediag; - rc = -EFAULT; - if (copy_from_user(&causediag, argp, sizeof(causediag))) - break; - lock_sock(sk); - x25->causediag = causediag; - release_sock(sk); - rc = 0; + case SIOCX25GCAUSEDIAG: { + lock_sock(sk); + rc = copy_to_user(argp, &x25->causediag, sizeof(x25->causediag)) + ? -EFAULT : 0; + release_sock(sk); + break; + } + + case SIOCX25SCAUSEDIAG: { + struct x25_causediag causediag; + rc = -EFAULT; + if (copy_from_user(&causediag, argp, sizeof(causediag))) break; + lock_sock(sk); + x25->causediag = causediag; + release_sock(sk); + rc = 0; + break; - } + } - case SIOCX25SCUDMATCHLEN: { - struct x25_subaddr sub_addr; - rc = -EINVAL; - lock_sock(sk); - if(sk->sk_state != TCP_CLOSE) - goto out_cud_release; - rc = -EFAULT; - if (copy_from_user(&sub_addr, argp, - sizeof(sub_addr))) - goto out_cud_release; - rc = -EINVAL; - if(sub_addr.cudmatchlength > X25_MAX_CUD_LEN) - goto out_cud_release; - x25->cudmatchlength = sub_addr.cudmatchlength; - rc = 0; + case SIOCX25SCUDMATCHLEN: { + struct x25_subaddr sub_addr; + rc = -EINVAL; + lock_sock(sk); + if(sk->sk_state != TCP_CLOSE) + goto out_cud_release; + rc = -EFAULT; + if (copy_from_user(&sub_addr, argp, + sizeof(sub_addr))) + goto out_cud_release; + rc = -EINVAL; + if (sub_addr.cudmatchlength > X25_MAX_CUD_LEN) + goto out_cud_release; + x25->cudmatchlength = sub_addr.cudmatchlength; + rc = 0; out_cud_release: - release_sock(sk); - break; - } + release_sock(sk); + break; + } - case SIOCX25CALLACCPTAPPRV: { - rc = -EINVAL; - lock_sock(sk); - if (sk->sk_state != TCP_CLOSE) - break; - clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags); - release_sock(sk); - rc = 0; + case SIOCX25CALLACCPTAPPRV: { + rc = -EINVAL; + lock_sock(sk); + if (sk->sk_state != TCP_CLOSE) break; - } + clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags); + release_sock(sk); + rc = 0; + break; + } - case SIOCX25SENDCALLACCPT: { - rc = -EINVAL; - lock_sock(sk); - if (sk->sk_state != TCP_ESTABLISHED) - break; - /* must call accptapprv above */ - if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags)) - break; - x25_write_internal(sk, X25_CALL_ACCEPTED); - x25->state = X25_STATE_3; - release_sock(sk); - rc = 0; + case SIOCX25SENDCALLACCPT: { + rc = -EINVAL; + lock_sock(sk); + if (sk->sk_state != TCP_ESTABLISHED) break; - } - - default: - rc = -ENOIOCTLCMD; + /* must call accptapprv above */ + if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags)) break; + x25_write_internal(sk, X25_CALL_ACCEPTED); + x25->state = X25_STATE_3; + release_sock(sk); + rc = 0; + break; + } + + default: + rc = -ENOIOCTLCMD; + break; } return rc; |