diff options
Diffstat (limited to 'net/x25/af_x25.c')
| -rw-r--r-- | net/x25/af_x25.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 03725c051752..7bf93df7248b 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -525,6 +525,13 @@ static int x25_create(struct socket *sock, int protocol) x25->facilities.pacsize_out = X25_DEFAULT_PACKET_SIZE; x25->facilities.throughput = X25_DEFAULT_THROUGHPUT; x25->facilities.reverse = X25_DEFAULT_REVERSE; + x25->dte_facilities.calling_len = 0; + x25->dte_facilities.called_len = 0; + memset(x25->dte_facilities.called_ae, '\0', + sizeof(x25->dte_facilities.called_ae)); + memset(x25->dte_facilities.calling_ae, '\0', + sizeof(x25->dte_facilities.calling_ae)); + rc = 0; out: return rc; @@ -561,6 +568,7 @@ static struct sock *x25_make_new(struct sock *osk) x25->t2 = ox25->t2; x25->facilities = ox25->facilities; x25->qbitincl = ox25->qbitincl; + x25->dte_facilities = ox25->dte_facilities; x25->cudmatchlength = ox25->cudmatchlength; x25->accptapprv = ox25->accptapprv; @@ -840,6 +848,7 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb, struct x25_sock *makex25; struct x25_address source_addr, dest_addr; struct x25_facilities facilities; + struct x25_dte_facilities dte_facilities; int len, rc; /* @@ -876,7 +885,8 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb, /* * Try to reach a compromise on the requested facilities. */ - if ((len = x25_negotiate_facilities(skb, sk, &facilities)) == -1) + len = x25_negotiate_facilities(skb, sk, &facilities, &dte_facilities); + if (len == -1) goto out_sock_put; /* @@ -907,9 +917,12 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb, makex25->source_addr = source_addr; makex25->neighbour = nb; makex25->facilities = facilities; + makex25->dte_facilities= dte_facilities; makex25->vc_facil_mask = x25_sk(sk)->vc_facil_mask; /* ensure no reverse facil on accept */ makex25->vc_facil_mask &= ~X25_MASK_REVERSE; + /* ensure no calling address extension on accept */ + makex25->vc_facil_mask &= ~X25_MASK_CALLING_AE; makex25->cudmatchlength = x25_sk(sk)->cudmatchlength; /* Normally all calls are accepted immediatly */ @@ -1316,6 +1329,36 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) break; } + case SIOCX25GDTEFACILITIES: { + rc = copy_to_user(argp, &x25->dte_facilities, + sizeof(x25->dte_facilities)); + if (rc) + rc = -EFAULT; + break; + } + + case SIOCX25SDTEFACILITIES: { + struct x25_dte_facilities dtefacs; + rc = -EFAULT; + if (copy_from_user(&dtefacs, argp, sizeof(dtefacs))) + break; + rc = -EINVAL; + if (sk->sk_state != TCP_LISTEN && + sk->sk_state != TCP_CLOSE) + break; + if (dtefacs.calling_len > X25_MAX_AE_LEN) + break; + if (dtefacs.calling_ae == NULL) + break; + if (dtefacs.called_len > X25_MAX_AE_LEN) + break; + if (dtefacs.called_ae == NULL) + break; + x25->dte_facilities = dtefacs; + rc = 0; + break; + } + case SIOCX25GCALLUSERDATA: { struct x25_calluserdata cud = x25->calluserdata; rc = copy_to_user(argp, &cud, |