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-rw-r--r--net/sctp/socket.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index a4577a75c6c0..d2681a6bc6fa 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4348,90 +4348,6 @@ static int sctp_getsockopt_initmsg(struct sock *sk, int len, char __user *optval
4348 return 0; 4348 return 0;
4349} 4349}
4350 4350
4351static int sctp_getsockopt_peer_addrs_num_old(struct sock *sk, int len,
4352 char __user *optval,
4353 int __user *optlen)
4354{
4355 sctp_assoc_t id;
4356 struct sctp_association *asoc;
4357 struct list_head *pos;
4358 int cnt = 0;
4359
4360 if (len < sizeof(sctp_assoc_t))
4361 return -EINVAL;
4362
4363 if (copy_from_user(&id, optval, sizeof(sctp_assoc_t)))
4364 return -EFAULT;
4365
4366 printk(KERN_WARNING "SCTP: Use of SCTP_GET_PEER_ADDRS_NUM_OLD "
4367 "socket option deprecated\n");
4368 /* For UDP-style sockets, id specifies the association to query. */
4369 asoc = sctp_id2assoc(sk, id);
4370 if (!asoc)
4371 return -EINVAL;
4372
4373 list_for_each(pos, &asoc->peer.transport_addr_list) {
4374 cnt ++;
4375 }
4376
4377 return cnt;
4378}
4379
4380/*
4381 * Old API for getting list of peer addresses. Does not work for 32-bit
4382 * programs running on a 64-bit kernel
4383 */
4384static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len,
4385 char __user *optval,
4386 int __user *optlen)
4387{
4388 struct sctp_association *asoc;
4389 int cnt = 0;
4390 struct sctp_getaddrs_old getaddrs;
4391 struct sctp_transport *from;
4392 void __user *to;
4393 union sctp_addr temp;
4394 struct sctp_sock *sp = sctp_sk(sk);
4395 int addrlen;
4396
4397 if (len < sizeof(struct sctp_getaddrs_old))
4398 return -EINVAL;
4399
4400 len = sizeof(struct sctp_getaddrs_old);
4401
4402 if (copy_from_user(&getaddrs, optval, len))
4403 return -EFAULT;
4404
4405 if (getaddrs.addr_num <= 0) return -EINVAL;
4406
4407 printk(KERN_WARNING "SCTP: Use of SCTP_GET_PEER_ADDRS_OLD "
4408 "socket option deprecated\n");
4409
4410 /* For UDP-style sockets, id specifies the association to query. */
4411 asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
4412 if (!asoc)
4413 return -EINVAL;
4414
4415 to = (void __user *)getaddrs.addrs;
4416 list_for_each_entry(from, &asoc->peer.transport_addr_list,
4417 transports) {
4418 memcpy(&temp, &from->ipaddr, sizeof(temp));
4419 sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
4420 addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
4421 if (copy_to_user(to, &temp, addrlen))
4422 return -EFAULT;
4423 to += addrlen ;
4424 cnt ++;
4425 if (cnt >= getaddrs.addr_num) break;
4426 }
4427 getaddrs.addr_num = cnt;
4428 if (put_user(len, optlen))
4429 return -EFAULT;
4430 if (copy_to_user(optval, &getaddrs, len))
4431 return -EFAULT;
4432
4433 return 0;
4434}
4435 4351
4436static int sctp_getsockopt_peer_addrs(struct sock *sk, int len, 4352static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
4437 char __user *optval, int __user *optlen) 4353 char __user *optval, int __user *optlen)
@@ -4484,125 +4400,6 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
4484 return 0; 4400 return 0;
4485} 4401}
4486 4402
4487static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len,
4488 char __user *optval,
4489 int __user *optlen)
4490{
4491 sctp_assoc_t id;
4492 struct sctp_bind_addr *bp;
4493 struct sctp_association *asoc;
4494 struct sctp_sockaddr_entry *addr;
4495 int cnt = 0;
4496
4497 if (len < sizeof(sctp_assoc_t))
4498 return -EINVAL;
4499
4500 if (copy_from_user(&id, optval, sizeof(sctp_assoc_t)))
4501 return -EFAULT;
4502
4503 printk(KERN_WARNING "SCTP: Use of SCTP_GET_LOCAL_ADDRS_NUM_OLD "
4504 "socket option deprecated\n");
4505
4506 /*
4507 * For UDP-style sockets, id specifies the association to query.
4508 * If the id field is set to the value '0' then the locally bound
4509 * addresses are returned without regard to any particular
4510 * association.
4511 */
4512 if (0 == id) {
4513 bp = &sctp_sk(sk)->ep->base.bind_addr;
4514 } else {
4515 asoc = sctp_id2assoc(sk, id);
4516 if (!asoc)
4517 return -EINVAL;
4518 bp = &asoc->base.bind_addr;
4519 }
4520
4521 /* If the endpoint is bound to 0.0.0.0 or ::0, count the valid
4522 * addresses from the global local address list.
4523 */
4524 if (sctp_list_single_entry(&bp->address_list)) {
4525 addr = list_entry(bp->address_list.next,
4526 struct sctp_sockaddr_entry, list);
4527 if (sctp_is_any(sk, &addr->a)) {
4528 rcu_read_lock();
4529 list_for_each_entry_rcu(addr,
4530 &sctp_local_addr_list, list) {
4531 if (!addr->valid)
4532 continue;
4533
4534 if ((PF_INET == sk->sk_family) &&
4535 (AF_INET6 == addr->a.sa.sa_family))
4536 continue;
4537
4538 if ((PF_INET6 == sk->sk_family) &&
4539 inet_v6_ipv6only(sk) &&
4540 (AF_INET == addr->a.sa.sa_family))
4541 continue;
4542
4543 cnt++;
4544 }
4545 rcu_read_unlock();
4546 } else {
4547 cnt = 1;
4548 }
4549 goto done;
4550 }
4551
4552 /* Protection on the bound address list is not needed,
4553 * since in the socket option context we hold the socket lock,
4554 * so there is no way that the bound address list can change.
4555 */
4556 list_for_each_entry(addr, &bp->address_list, list) {
4557 cnt ++;
4558 }
4559done:
4560 return cnt;
4561}
4562
4563/* Helper function that copies local addresses to user and returns the number
4564 * of addresses copied.
4565 */
4566static int sctp_copy_laddrs_old(struct sock *sk, __u16 port,
4567 int max_addrs, void *to,
4568 int *bytes_copied)
4569{
4570 struct sctp_sockaddr_entry *addr;
4571 union sctp_addr temp;
4572 int cnt = 0;
4573 int addrlen;
4574
4575 rcu_read_lock();
4576 list_for_each_entry_rcu(addr, &sctp_local_addr_list, list) {
4577 if (!addr->valid)
4578 continue;
4579
4580 if ((PF_INET == sk->sk_family) &&
4581 (AF_INET6 == addr->a.sa.sa_family))
4582 continue;
4583 if ((PF_INET6 == sk->sk_family) &&
4584 inet_v6_ipv6only(sk) &&
4585 (AF_INET == addr->a.sa.sa_family))
4586 continue;
4587 memcpy(&temp, &addr->a, sizeof(temp));
4588 if (!temp.v4.sin_port)
4589 temp.v4.sin_port = htons(port);
4590
4591 sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
4592 &temp);
4593 addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
4594 memcpy(to, &temp, addrlen);
4595
4596 to += addrlen;
4597 *bytes_copied += addrlen;
4598 cnt ++;
4599 if (cnt >= max_addrs) break;
4600 }
4601 rcu_read_unlock();
4602
4603 return cnt;
4604}
4605
4606static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to, 4403static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
4607 size_t space_left, int *bytes_copied) 4404 size_t space_left, int *bytes_copied)
4608{ 4405{
@@ -4646,112 +4443,6 @@ static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
4646 return cnt; 4443 return cnt;
4647} 4444}
4648 4445
4649/* Old API for getting list of local addresses. Does not work for 32-bit
4650 * programs running on a 64-bit kernel
4651 */
4652static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
4653 char __user *optval, int __user *optlen)
4654{
4655 struct sctp_bind_addr *bp;
4656 struct sctp_association *asoc;
4657 int cnt = 0;
4658 struct sctp_getaddrs_old getaddrs;
4659 struct sctp_sockaddr_entry *addr;
4660 void __user *to;
4661 union sctp_addr temp;
4662 struct sctp_sock *sp = sctp_sk(sk);
4663 int addrlen;
4664 int err = 0;
4665 void *addrs;
4666 void *buf;
4667 int bytes_copied = 0;
4668
4669 if (len < sizeof(struct sctp_getaddrs_old))
4670 return -EINVAL;
4671
4672 len = sizeof(struct sctp_getaddrs_old);
4673 if (copy_from_user(&getaddrs, optval, len))
4674 return -EFAULT;
4675
4676 if (getaddrs.addr_num <= 0 ||
4677 getaddrs.addr_num >= (INT_MAX / sizeof(union sctp_addr)))
4678 return -EINVAL;
4679
4680 printk(KERN_WARNING "SCTP: Use of SCTP_GET_LOCAL_ADDRS_OLD "
4681 "socket option deprecated\n");
4682
4683 /*
4684 * For UDP-style sockets, id specifies the association to query.
4685 * If the id field is set to the value '0' then the locally bound
4686 * addresses are returned without regard to any particular
4687 * association.
4688 */
4689 if (0 == getaddrs.assoc_id) {
4690 bp = &sctp_sk(sk)->ep->base.bind_addr;
4691 } else {
4692 asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
4693 if (!asoc)
4694 return -EINVAL;
4695 bp = &asoc->base.bind_addr;
4696 }
4697
4698 to = getaddrs.addrs;
4699
4700 /* Allocate space for a local instance of packed array to hold all
4701 * the data. We store addresses here first and then put write them
4702 * to the user in one shot.
4703 */
4704 addrs = kmalloc(sizeof(union sctp_addr) * getaddrs.addr_num,
4705 GFP_KERNEL);
4706 if (!addrs)
4707 return -ENOMEM;
4708
4709 /* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
4710 * addresses from the global local address list.
4711 */
4712 if (sctp_list_single_entry(&bp->address_list)) {
4713 addr = list_entry(bp->address_list.next,
4714 struct sctp_sockaddr_entry, list);
4715 if (sctp_is_any(sk, &addr->a)) {
4716 cnt = sctp_copy_laddrs_old(sk, bp->port,
4717 getaddrs.addr_num,
4718 addrs, &bytes_copied);
4719 goto copy_getaddrs;
4720 }
4721 }
4722
4723 buf = addrs;
4724 /* Protection on the bound address list is not needed since
4725 * in the socket option context we hold a socket lock and
4726 * thus the bound address list can't change.
4727 */
4728 list_for_each_entry(addr, &bp->address_list, list) {
4729 memcpy(&temp, &addr->a, sizeof(temp));
4730 sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
4731 addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
4732 memcpy(buf, &temp, addrlen);
4733 buf += addrlen;
4734 bytes_copied += addrlen;
4735 cnt ++;
4736 if (cnt >= getaddrs.addr_num) break;
4737 }
4738
4739copy_getaddrs:
4740 /* copy the entire address list into the user provided space */
4741 if (copy_to_user(to, addrs, bytes_copied)) {
4742 err = -EFAULT;
4743 goto error;
4744 }
4745
4746 /* copy the leading structure back to user */
4747 getaddrs.addr_num = cnt;
4748 if (copy_to_user(optval, &getaddrs, len))
4749 err = -EFAULT;
4750
4751error:
4752 kfree(addrs);
4753 return err;
4754}
4755 4446
4756static int sctp_getsockopt_local_addrs(struct sock *sk, int len, 4447static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
4757 char __user *optval, int __user *optlen) 4448 char __user *optval, int __user *optlen)
@@ -5602,22 +5293,6 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
5602 case SCTP_INITMSG: 5293 case SCTP_INITMSG:
5603 retval = sctp_getsockopt_initmsg(sk, len, optval, optlen); 5294 retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
5604 break; 5295 break;
5605 case SCTP_GET_PEER_ADDRS_NUM_OLD:
5606 retval = sctp_getsockopt_peer_addrs_num_old(sk, len, optval,
5607 optlen);
5608 break;
5609 case SCTP_GET_LOCAL_ADDRS_NUM_OLD:
5610 retval = sctp_getsockopt_local_addrs_num_old(sk, len, optval,
5611 optlen);
5612 break;
5613 case SCTP_GET_PEER_ADDRS_OLD:
5614 retval = sctp_getsockopt_peer_addrs_old(sk, len, optval,
5615 optlen);
5616 break;
5617 case SCTP_GET_LOCAL_ADDRS_OLD:
5618 retval = sctp_getsockopt_local_addrs_old(sk, len, optval,
5619 optlen);
5620 break;
5621 case SCTP_GET_PEER_ADDRS: 5296 case SCTP_GET_PEER_ADDRS:
5622 retval = sctp_getsockopt_peer_addrs(sk, len, optval, 5297 retval = sctp_getsockopt_peer_addrs(sk, len, optval,
5623 optlen); 5298 optlen);
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-01 10:43:52 -0400