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Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c371
1 files changed, 24 insertions, 347 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 3a95fcb..89ab66e 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -394,7 +394,7 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
/* Refresh ephemeral port. */
if (!bp->port)
- bp->port = inet_sk(sk)->num;
+ bp->port = inet_sk(sk)->inet_num;
/* Add the address to the bind address list.
* Use GFP_ATOMIC since BHs will be disabled.
@@ -403,7 +403,7 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
/* Copy back into socket for getsockname() use. */
if (!ret) {
- inet_sk(sk)->sport = htons(inet_sk(sk)->num);
+ inet_sk(sk)->inet_sport = htons(inet_sk(sk)->inet_num);
af->to_sk_saddr(addr, sk);
}
@@ -1117,7 +1117,7 @@ static int __sctp_connect(struct sock* sk,
}
/* Initialize sk's dport and daddr for getpeername() */
- inet_sk(sk)->dport = htons(asoc->peer.port);
+ inet_sk(sk)->inet_dport = htons(asoc->peer.port);
af = sctp_get_af_specific(sa_addr->sa.sa_family);
af->to_sk_daddr(sa_addr, sk);
sk->sk_err = 0;
@@ -1968,7 +1968,7 @@ SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
if (err)
goto out_free;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (sctp_ulpevent_is_notification(event)) {
msg->msg_flags |= MSG_NOTIFICATION;
sp->pf->event_msgname(event, msg->msg_name, addr_len);
@@ -2086,6 +2086,9 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
return -EINVAL;
if (copy_from_user(&sp->autoclose, optval, optlen))
return -EFAULT;
+ /* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
+ if (sp->autoclose > (MAX_SCHEDULE_TIMEOUT / HZ) )
+ sp->autoclose = (__u32)(MAX_SCHEDULE_TIMEOUT / HZ) ;
return 0;
}
@@ -2311,11 +2314,10 @@ static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params,
}
}
- /* Note that unless the spp_flag is set to SPP_PMTUD_ENABLE the value
- * of this field is ignored. Note also that a value of zero
- * indicates the current setting should be left unchanged.
+ /* Note that a value of zero indicates the current setting should be
+ left unchanged.
*/
- if ((params->spp_flags & SPP_PMTUD_ENABLE) && params->spp_pathmaxrxt) {
+ if (params->spp_pathmaxrxt) {
if (trans) {
trans->pathmaxrxt = params->spp_pathmaxrxt;
} else if (asoc) {
@@ -2354,8 +2356,8 @@ static int sctp_setsockopt_peer_addr_params(struct sock *sk,
pmtud_change == SPP_PMTUD ||
sackdelay_change == SPP_SACKDELAY ||
params.spp_sackdelay > 500 ||
- (params.spp_pathmtu
- && params.spp_pathmtu < SCTP_DEFAULT_MINSEGMENT))
+ (params.spp_pathmtu &&
+ params.spp_pathmtu < SCTP_DEFAULT_MINSEGMENT))
return -EINVAL;
/* If an address other than INADDR_ANY is specified, and
@@ -4349,90 +4351,6 @@ static int sctp_getsockopt_initmsg(struct sock *sk, int len, char __user *optval
return 0;
}
-static int sctp_getsockopt_peer_addrs_num_old(struct sock *sk, int len,
- char __user *optval,
- int __user *optlen)
-{
- sctp_assoc_t id;
- struct sctp_association *asoc;
- struct list_head *pos;
- int cnt = 0;
-
- if (len < sizeof(sctp_assoc_t))
- return -EINVAL;
-
- if (copy_from_user(&id, optval, sizeof(sctp_assoc_t)))
- return -EFAULT;
-
- printk(KERN_WARNING "SCTP: Use of SCTP_GET_PEER_ADDRS_NUM_OLD "
- "socket option deprecated\n");
- /* For UDP-style sockets, id specifies the association to query. */
- asoc = sctp_id2assoc(sk, id);
- if (!asoc)
- return -EINVAL;
-
- list_for_each(pos, &asoc->peer.transport_addr_list) {
- cnt ++;
- }
-
- return cnt;
-}
-
-/*
- * Old API for getting list of peer addresses. Does not work for 32-bit
- * programs running on a 64-bit kernel
- */
-static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len,
- char __user *optval,
- int __user *optlen)
-{
- struct sctp_association *asoc;
- int cnt = 0;
- struct sctp_getaddrs_old getaddrs;
- struct sctp_transport *from;
- void __user *to;
- union sctp_addr temp;
- struct sctp_sock *sp = sctp_sk(sk);
- int addrlen;
-
- if (len < sizeof(struct sctp_getaddrs_old))
- return -EINVAL;
-
- len = sizeof(struct sctp_getaddrs_old);
-
- if (copy_from_user(&getaddrs, optval, len))
- return -EFAULT;
-
- if (getaddrs.addr_num <= 0) return -EINVAL;
-
- printk(KERN_WARNING "SCTP: Use of SCTP_GET_PEER_ADDRS_OLD "
- "socket option deprecated\n");
-
- /* For UDP-style sockets, id specifies the association to query. */
- asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
- if (!asoc)
- return -EINVAL;
-
- to = (void __user *)getaddrs.addrs;
- list_for_each_entry(from, &asoc->peer.transport_addr_list,
- transports) {
- memcpy(&temp, &from->ipaddr, sizeof(temp));
- sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
- addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
- if (copy_to_user(to, &temp, addrlen))
- return -EFAULT;
- to += addrlen ;
- cnt ++;
- if (cnt >= getaddrs.addr_num) break;
- }
- getaddrs.addr_num = cnt;
- if (put_user(len, optlen))
- return -EFAULT;
- if (copy_to_user(optval, &getaddrs, len))
- return -EFAULT;
-
- return 0;
-}
static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
char __user *optval, int __user *optlen)
@@ -4485,125 +4403,6 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
return 0;
}
-static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len,
- char __user *optval,
- int __user *optlen)
-{
- sctp_assoc_t id;
- struct sctp_bind_addr *bp;
- struct sctp_association *asoc;
- struct sctp_sockaddr_entry *addr;
- int cnt = 0;
-
- if (len < sizeof(sctp_assoc_t))
- return -EINVAL;
-
- if (copy_from_user(&id, optval, sizeof(sctp_assoc_t)))
- return -EFAULT;
-
- printk(KERN_WARNING "SCTP: Use of SCTP_GET_LOCAL_ADDRS_NUM_OLD "
- "socket option deprecated\n");
-
- /*
- * For UDP-style sockets, id specifies the association to query.
- * If the id field is set to the value '0' then the locally bound
- * addresses are returned without regard to any particular
- * association.
- */
- if (0 == id) {
- bp = &sctp_sk(sk)->ep->base.bind_addr;
- } else {
- asoc = sctp_id2assoc(sk, id);
- if (!asoc)
- return -EINVAL;
- bp = &asoc->base.bind_addr;
- }
-
- /* If the endpoint is bound to 0.0.0.0 or ::0, count the valid
- * addresses from the global local address list.
- */
- if (sctp_list_single_entry(&bp->address_list)) {
- addr = list_entry(bp->address_list.next,
- struct sctp_sockaddr_entry, list);
- if (sctp_is_any(sk, &addr->a)) {
- rcu_read_lock();
- list_for_each_entry_rcu(addr,
- &sctp_local_addr_list, list) {
- if (!addr->valid)
- continue;
-
- if ((PF_INET == sk->sk_family) &&
- (AF_INET6 == addr->a.sa.sa_family))
- continue;
-
- if ((PF_INET6 == sk->sk_family) &&
- inet_v6_ipv6only(sk) &&
- (AF_INET == addr->a.sa.sa_family))
- continue;
-
- cnt++;
- }
- rcu_read_unlock();
- } else {
- cnt = 1;
- }
- goto done;
- }
-
- /* Protection on the bound address list is not needed,
- * since in the socket option context we hold the socket lock,
- * so there is no way that the bound address list can change.
- */
- list_for_each_entry(addr, &bp->address_list, list) {
- cnt ++;
- }
-done:
- return cnt;
-}
-
-/* Helper function that copies local addresses to user and returns the number
- * of addresses copied.
- */
-static int sctp_copy_laddrs_old(struct sock *sk, __u16 port,
- int max_addrs, void *to,
- int *bytes_copied)
-{
- struct sctp_sockaddr_entry *addr;
- union sctp_addr temp;
- int cnt = 0;
- int addrlen;
-
- rcu_read_lock();
- list_for_each_entry_rcu(addr, &sctp_local_addr_list, list) {
- if (!addr->valid)
- continue;
-
- if ((PF_INET == sk->sk_family) &&
- (AF_INET6 == addr->a.sa.sa_family))
- continue;
- if ((PF_INET6 == sk->sk_family) &&
- inet_v6_ipv6only(sk) &&
- (AF_INET == addr->a.sa.sa_family))
- continue;
- memcpy(&temp, &addr->a, sizeof(temp));
- if (!temp.v4.sin_port)
- temp.v4.sin_port = htons(port);
-
- sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
- &temp);
- addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
- memcpy(to, &temp, addrlen);
-
- to += addrlen;
- *bytes_copied += addrlen;
- cnt ++;
- if (cnt >= max_addrs) break;
- }
- rcu_read_unlock();
-
- return cnt;
-}
-
static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
size_t space_left, int *bytes_copied)
{
@@ -4647,112 +4446,6 @@ static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
return cnt;
}
-/* Old API for getting list of local addresses. Does not work for 32-bit
- * programs running on a 64-bit kernel
- */
-static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
- char __user *optval, int __user *optlen)
-{
- struct sctp_bind_addr *bp;
- struct sctp_association *asoc;
- int cnt = 0;
- struct sctp_getaddrs_old getaddrs;
- struct sctp_sockaddr_entry *addr;
- void __user *to;
- union sctp_addr temp;
- struct sctp_sock *sp = sctp_sk(sk);
- int addrlen;
- int err = 0;
- void *addrs;
- void *buf;
- int bytes_copied = 0;
-
- if (len < sizeof(struct sctp_getaddrs_old))
- return -EINVAL;
-
- len = sizeof(struct sctp_getaddrs_old);
- if (copy_from_user(&getaddrs, optval, len))
- return -EFAULT;
-
- if (getaddrs.addr_num <= 0 ||
- getaddrs.addr_num >= (INT_MAX / sizeof(union sctp_addr)))
- return -EINVAL;
-
- printk(KERN_WARNING "SCTP: Use of SCTP_GET_LOCAL_ADDRS_OLD "
- "socket option deprecated\n");
-
- /*
- * For UDP-style sockets, id specifies the association to query.
- * If the id field is set to the value '0' then the locally bound
- * addresses are returned without regard to any particular
- * association.
- */
- if (0 == getaddrs.assoc_id) {
- bp = &sctp_sk(sk)->ep->base.bind_addr;
- } else {
- asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
- if (!asoc)
- return -EINVAL;
- bp = &asoc->base.bind_addr;
- }
-
- to = getaddrs.addrs;
-
- /* Allocate space for a local instance of packed array to hold all
- * the data. We store addresses here first and then put write them
- * to the user in one shot.
- */
- addrs = kmalloc(sizeof(union sctp_addr) * getaddrs.addr_num,
- GFP_KERNEL);
- if (!addrs)
- return -ENOMEM;
-
- /* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
- * addresses from the global local address list.
- */
- if (sctp_list_single_entry(&bp->address_list)) {
- addr = list_entry(bp->address_list.next,
- struct sctp_sockaddr_entry, list);
- if (sctp_is_any(sk, &addr->a)) {
- cnt = sctp_copy_laddrs_old(sk, bp->port,
- getaddrs.addr_num,
- addrs, &bytes_copied);
- goto copy_getaddrs;
- }
- }
-
- buf = addrs;
- /* Protection on the bound address list is not needed since
- * in the socket option context we hold a socket lock and
- * thus the bound address list can't change.
- */
- list_for_each_entry(addr, &bp->address_list, list) {
- memcpy(&temp, &addr->a, sizeof(temp));
- sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
- addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
- memcpy(buf, &temp, addrlen);
- buf += addrlen;
- bytes_copied += addrlen;
- cnt ++;
- if (cnt >= getaddrs.addr_num) break;
- }
-
-copy_getaddrs:
- /* copy the entire address list into the user provided space */
- if (copy_to_user(to, addrs, bytes_copied)) {
- err = -EFAULT;
- goto error;
- }
-
- /* copy the leading structure back to user */
- getaddrs.addr_num = cnt;
- if (copy_to_user(optval, &getaddrs, len))
- err = -EFAULT;
-
-error:
- kfree(addrs);
- return err;
-}
static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
char __user *optval, int __user *optlen)
@@ -5603,22 +5296,6 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
case SCTP_INITMSG:
retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
break;
- case SCTP_GET_PEER_ADDRS_NUM_OLD:
- retval = sctp_getsockopt_peer_addrs_num_old(sk, len, optval,
- optlen);
- break;
- case SCTP_GET_LOCAL_ADDRS_NUM_OLD:
- retval = sctp_getsockopt_local_addrs_num_old(sk, len, optval,
- optlen);
- break;
- case SCTP_GET_PEER_ADDRS_OLD:
- retval = sctp_getsockopt_peer_addrs_old(sk, len, optval,
- optlen);
- break;
- case SCTP_GET_LOCAL_ADDRS_OLD:
- retval = sctp_getsockopt_local_addrs_old(sk, len, optval,
- optlen);
- break;
case SCTP_GET_PEER_ADDRS:
retval = sctp_getsockopt_peer_addrs(sk, len, optval,
optlen);
@@ -5861,7 +5538,7 @@ pp_not_found:
*/
success:
if (!sctp_sk(sk)->bind_hash) {
- inet_sk(sk)->num = snum;
+ inet_sk(sk)->inet_num = snum;
sk_add_bind_node(sk, &pp->owner);
sctp_sk(sk)->bind_hash = pp;
}
@@ -5933,7 +5610,7 @@ SCTP_STATIC int sctp_listen_start(struct sock *sk, int backlog)
if (sctp_autobind(sk))
return -EAGAIN;
} else {
- if (sctp_get_port(sk, inet_sk(sk)->num)) {
+ if (sctp_get_port(sk, inet_sk(sk)->inet_num)) {
sk->sk_state = SCTP_SS_CLOSED;
return -EADDRINUSE;
}
@@ -6104,14 +5781,14 @@ static void sctp_bucket_destroy(struct sctp_bind_bucket *pp)
static inline void __sctp_put_port(struct sock *sk)
{
struct sctp_bind_hashbucket *head =
- &sctp_port_hashtable[sctp_phashfn(inet_sk(sk)->num)];
+ &sctp_port_hashtable[sctp_phashfn(inet_sk(sk)->inet_num)];
struct sctp_bind_bucket *pp;
sctp_spin_lock(&head->lock);
pp = sctp_sk(sk)->bind_hash;
__sk_del_bind_node(sk);
sctp_sk(sk)->bind_hash = NULL;
- inet_sk(sk)->num = 0;
+ inet_sk(sk)->inet_num = 0;
sctp_bucket_destroy(pp);
sctp_spin_unlock(&head->lock);
}
@@ -6138,7 +5815,7 @@ static int sctp_autobind(struct sock *sk)
/* Initialize a local sockaddr structure to INADDR_ANY. */
af = sctp_sk(sk)->pf->af;
- port = htons(inet_sk(sk)->num);
+ port = htons(inet_sk(sk)->inet_num);
af->inaddr_any(&autoaddr, port);
return sctp_do_bind(sk, &autoaddr, af->sockaddr_len);
@@ -6707,12 +6384,12 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
/* Initialize sk's sport, dport, rcv_saddr and daddr for
* getsockname() and getpeername()
*/
- newinet->sport = inet->sport;
- newinet->saddr = inet->saddr;
- newinet->rcv_saddr = inet->rcv_saddr;
- newinet->dport = htons(asoc->peer.port);
+ newinet->inet_sport = inet->inet_sport;
+ newinet->inet_saddr = inet->inet_saddr;
+ newinet->inet_rcv_saddr = inet->inet_rcv_saddr;
+ newinet->inet_dport = htons(asoc->peer.port);
newinet->pmtudisc = inet->pmtudisc;
- newinet->id = asoc->next_tsn ^ jiffies;
+ newinet->inet_id = asoc->next_tsn ^ jiffies;
newinet->uc_ttl = inet->uc_ttl;
newinet->mc_loop = 1;
@@ -6751,13 +6428,13 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
newsp->hmac = NULL;
/* Hook this new socket in to the bind_hash list. */
- head = &sctp_port_hashtable[sctp_phashfn(inet_sk(oldsk)->num)];
+ head = &sctp_port_hashtable[sctp_phashfn(inet_sk(oldsk)->inet_num)];
sctp_local_bh_disable();
sctp_spin_lock(&head->lock);
pp = sctp_sk(oldsk)->bind_hash;
sk_add_bind_node(newsk, &pp->owner);
sctp_sk(newsk)->bind_hash = pp;
- inet_sk(newsk)->num = inet_sk(oldsk)->num;
+ inet_sk(newsk)->inet_num = inet_sk(oldsk)->inet_num;
sctp_spin_unlock(&head->lock);
sctp_local_bh_enable();
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