struct sctp_association *, sctp_socket_type_t);
static char *sctp_hmac_alg = SCTP_COOKIE_HMAC_ALG;
-extern kmem_cache_t *sctp_bucket_cachep;
+extern struct kmem_cache *sctp_bucket_cachep;
/* Get the sndbuf space available at the time on the association. */
static inline int sctp_wspace(struct sctp_association *asoc)
struct sctp_association *addr_asoc = NULL, *id_asoc = NULL;
struct sctp_transport *transport;
union sctp_addr *laddr = (union sctp_addr *)addr;
- union sctp_addr tmp;
- flip_to_h(&tmp, laddr);
addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep,
- &tmp,
+ laddr,
&transport);
if (!addr_asoc)
struct sctp_af *af;
unsigned short snum;
int ret = 0;
- union sctp_addr tmp;
/* Common sockaddr verification. */
af = sctp_sockaddr_af(sp, addr, len);
sctp_write_lock(&ep->base.addr_lock);
/* Use GFP_ATOMIC since BHs are disabled. */
- flip_to_h(&tmp, addr);
- ret = sctp_add_bind_addr(bp, &tmp, 1, GFP_ATOMIC);
+ ret = sctp_add_bind_addr(bp, addr, 1, GFP_ATOMIC);
sctp_write_unlock(&ep->base.addr_lock);
sctp_local_bh_enable();
laddr = list_entry(p, struct sctp_sockaddr_entry, list);
sctp_read_unlock(&asoc->base.addr_lock);
- chunk = sctp_make_asconf_update_ip(asoc, &laddr->a_h, addrs,
+ chunk = sctp_make_asconf_update_ip(asoc, &laddr->a, addrs,
addrcnt, SCTP_PARAM_ADD_IP);
if (!chunk) {
retval = -ENOMEM;
addr = (union sctp_addr *)addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
memcpy(&saveaddr, addr, af->sockaddr_len);
- saveaddr.v4.sin_port = ntohs(saveaddr.v4.sin_port);
retval = sctp_add_bind_addr(bp, &saveaddr, 0,
GFP_ATOMIC);
addr_buf += af->sockaddr_len;
int cnt;
struct sctp_bind_addr *bp = &ep->base.bind_addr;
int retval = 0;
- union sctp_addr saveaddr;
void *addr_buf;
- struct sockaddr *sa_addr;
+ union sctp_addr *sa_addr;
struct sctp_af *af;
SCTP_DEBUG_PRINTK("sctp_bindx_rem (sk: %p, addrs: %p, addrcnt: %d)\n",
goto err_bindx_rem;
}
- /* The list may contain either IPv4 or IPv6 address;
- * determine the address length to copy the address to
- * saveaddr.
- */
- sa_addr = (struct sockaddr *)addr_buf;
- af = sctp_get_af_specific(sa_addr->sa_family);
+ sa_addr = (union sctp_addr *)addr_buf;
+ af = sctp_get_af_specific(sa_addr->sa.sa_family);
if (!af) {
retval = -EINVAL;
goto err_bindx_rem;
}
- memcpy(&saveaddr, sa_addr, af->sockaddr_len);
- saveaddr.v4.sin_port = ntohs(saveaddr.v4.sin_port);
- if (saveaddr.v4.sin_port != bp->port) {
+ if (sa_addr->v4.sin_port != htons(bp->port)) {
retval = -EINVAL;
goto err_bindx_rem;
}
sctp_local_bh_disable();
sctp_write_lock(&ep->base.addr_lock);
- retval = sctp_del_bind_addr(bp, &saveaddr);
+ retval = sctp_del_bind_addr(bp, sa_addr);
sctp_write_unlock(&ep->base.addr_lock);
sctp_local_bh_enable();
int err = 0;
int addrcnt = 0;
int walk_size = 0;
- struct sockaddr *sa_addr;
+ union sctp_addr *sa_addr;
void *addr_buf;
sp = sctp_sk(sk);
/* Walk through the addrs buffer and count the number of addresses. */
addr_buf = kaddrs;
while (walk_size < addrs_size) {
- sa_addr = (struct sockaddr *)addr_buf;
- af = sctp_get_af_specific(sa_addr->sa_family);
+ sa_addr = (union sctp_addr *)addr_buf;
+ af = sctp_get_af_specific(sa_addr->sa.sa_family);
/* If the address family is not supported or if this address
* causes the address buffer to overflow return EINVAL.
goto out_free;
}
- err = sctp_verify_addr(sk, (union sctp_addr *)sa_addr,
- af->sockaddr_len);
+ err = sctp_verify_addr(sk, sa_addr, af->sockaddr_len);
if (err)
goto out_free;
memcpy(&to, sa_addr, af->sockaddr_len);
- to.v4.sin_port = ntohs(to.v4.sin_port);
/* Check if there already is a matching association on the
* endpoint (other than the one created here).
*/
- asoc2 = sctp_endpoint_lookup_assoc(ep, &to, &transport);
+ asoc2 = sctp_endpoint_lookup_assoc(ep, sa_addr, &transport);
if (asoc2 && asoc2 != asoc) {
if (asoc2->state >= SCTP_STATE_ESTABLISHED)
err = -EISCONN;
* make sure that there is no peeled-off association matching
* the peer address even on another socket.
*/
- if (sctp_endpoint_is_peeled_off(ep, &to)) {
+ if (sctp_endpoint_is_peeled_off(ep, sa_addr)) {
err = -EADDRNOTAVAIL;
goto out_free;
}
}
}
- scope = sctp_scope(&to);
+ scope = sctp_scope(sa_addr);
asoc = sctp_association_new(ep, sk, scope, GFP_KERNEL);
if (!asoc) {
err = -ENOMEM;
}
/* Prime the peer's transport structures. */
- transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL,
+ transport = sctp_assoc_add_peer(asoc, sa_addr, GFP_KERNEL,
SCTP_UNKNOWN);
if (!transport) {
err = -ENOMEM;
if (msg_namelen > sizeof(to))
msg_namelen = sizeof(to);
memcpy(&to, msg->msg_name, msg_namelen);
- SCTP_DEBUG_PRINTK("Just memcpy'd. msg_name is "
- "0x%x:%u.\n",
- to.v4.sin_addr.s_addr, to.v4.sin_port);
-
- to.v4.sin_port = ntohs(to.v4.sin_port);
msg_name = msg->msg_name;
}
return err;
}
-static int sctp_setsockopt_adaption_layer(struct sock *sk, char __user *optval,
+static int sctp_setsockopt_adaptation_layer(struct sock *sk, char __user *optval,
int optlen)
{
- struct sctp_setadaption adaption;
+ struct sctp_setadaptation adaptation;
+
+ if (optlen != sizeof(struct sctp_setadaptation))
+ return -EINVAL;
+ if (copy_from_user(&adaptation, optval, optlen))
+ return -EFAULT;
+
+ sctp_sk(sk)->adaptation_ind = adaptation.ssb_adaptation_ind;
+
+ return 0;
+}
+
+/*
+ * 7.1.29. Set or Get the default context (SCTP_CONTEXT)
+ *
+ * The context field in the sctp_sndrcvinfo structure is normally only
+ * used when a failed message is retrieved holding the value that was
+ * sent down on the actual send call. This option allows the setting of
+ * a default context on an association basis that will be received on
+ * reading messages from the peer. This is especially helpful in the
+ * one-2-many model for an application to keep some reference to an
+ * internal state machine that is processing messages on the
+ * association. Note that the setting of this value only effects
+ * received messages from the peer and does not effect the value that is
+ * saved with outbound messages.
+ */
+static int sctp_setsockopt_context(struct sock *sk, char __user *optval,
+ int optlen)
+{
+ struct sctp_assoc_value params;
+ struct sctp_sock *sp;
+ struct sctp_association *asoc;
- if (optlen != sizeof(struct sctp_setadaption))
+ if (optlen != sizeof(struct sctp_assoc_value))
return -EINVAL;
- if (copy_from_user(&adaption, optval, optlen))
+ if (copy_from_user(¶ms, optval, optlen))
return -EFAULT;
- sctp_sk(sk)->adaption_ind = adaption.ssb_adaption_ind;
+ sp = sctp_sk(sk);
+
+ if (params.assoc_id != 0) {
+ asoc = sctp_id2assoc(sk, params.assoc_id);
+ if (!asoc)
+ return -EINVAL;
+ asoc->default_rcv_context = params.assoc_value;
+ } else {
+ sp->default_rcv_context = params.assoc_value;
+ }
return 0;
}
case SCTP_MAXSEG:
retval = sctp_setsockopt_maxseg(sk, optval, optlen);
break;
- case SCTP_ADAPTION_LAYER:
- retval = sctp_setsockopt_adaption_layer(sk, optval, optlen);
+ case SCTP_ADAPTATION_LAYER:
+ retval = sctp_setsockopt_adaptation_layer(sk, optval, optlen);
+ break;
+ case SCTP_CONTEXT:
+ retval = sctp_setsockopt_context(sk, optval, optlen);
break;
default:
sp->default_context = 0;
sp->default_timetolive = 0;
+ sp->default_rcv_context = 0;
+
/* Initialize default setup parameters. These parameters
* can be modified with the SCTP_INITMSG socket option or
* overridden by the SCTP_INIT CMSG.
/* User specified fragmentation limit. */
sp->user_frag = 0;
- sp->adaption_ind = 0;
+ sp->adaptation_ind = 0;
sp->pf = sctp_get_pf_specific(sk->sk_family);
status.sstat_outstrms = asoc->c.sinit_num_ostreams;
status.sstat_fragmentation_point = asoc->frag_point;
status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc);
- flip_to_n((union sctp_addr *)&status.sstat_primary.spinfo_address,
- &transport->ipaddr_h);
+ memcpy(&status.sstat_primary.spinfo_address, &transport->ipaddr,
+ transport->af_specific->sockaddr_len);
/* Map ipv4 address into v4-mapped-on-v6 address. */
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
(union sctp_addr *)&status.sstat_primary.spinfo_address);
to = (void __user *)getaddrs.addrs;
list_for_each(pos, &asoc->peer.transport_addr_list) {
from = list_entry(pos, struct sctp_transport, transports);
- memcpy(&temp, &from->ipaddr_h, sizeof(temp));
+ 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;
- temp.v4.sin_port = htons(temp.v4.sin_port);
if (copy_to_user(to, &temp, addrlen))
return -EFAULT;
to += addrlen ;
list_for_each(pos, &asoc->peer.transport_addr_list) {
from = list_entry(pos, struct sctp_transport, transports);
- memcpy(&temp, &from->ipaddr_h, sizeof(temp));
+ 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(space_left < addrlen)
return -ENOMEM;
- temp.v4.sin_port = htons(temp.v4.sin_port);
if (copy_to_user(to, &temp, addrlen))
return -EFAULT;
to += addrlen;
sctp_assoc_t id;
struct sctp_bind_addr *bp;
struct sctp_association *asoc;
- struct list_head *pos;
+ struct list_head *pos, *temp;
struct sctp_sockaddr_entry *addr;
rwlock_t *addr_lock;
- unsigned long flags;
int cnt = 0;
if (len != sizeof(sctp_assoc_t))
if (sctp_list_single_entry(&bp->address_list)) {
addr = list_entry(bp->address_list.next,
struct sctp_sockaddr_entry, list);
- if (sctp_is_any(&addr->a_h)) {
- sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags);
- list_for_each(pos, &sctp_local_addr_list) {
+ if (sctp_is_any(&addr->a)) {
+ list_for_each_safe(pos, temp, &sctp_local_addr_list) {
addr = list_entry(pos,
struct sctp_sockaddr_entry,
list);
if ((PF_INET == sk->sk_family) &&
- (AF_INET6 == addr->a_h.sa.sa_family))
+ (AF_INET6 == addr->a.sa.sa_family))
continue;
cnt++;
}
- sctp_spin_unlock_irqrestore(&sctp_local_addr_lock,
- flags);
} else {
cnt = 1;
}
static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_addrs,
void __user *to)
{
- struct list_head *pos;
+ struct list_head *pos, *next;
struct sctp_sockaddr_entry *addr;
- unsigned long flags;
union sctp_addr temp;
int cnt = 0;
int addrlen;
- sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags);
- list_for_each(pos, &sctp_local_addr_list) {
+ list_for_each_safe(pos, next, &sctp_local_addr_list) {
addr = list_entry(pos, struct sctp_sockaddr_entry, list);
if ((PF_INET == sk->sk_family) &&
- (AF_INET6 == addr->a_h.sa.sa_family))
+ (AF_INET6 == addr->a.sa.sa_family))
continue;
- memcpy(&temp, &addr->a_h, sizeof(temp));
+ memcpy(&temp, &addr->a, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
&temp);
addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
- temp.v4.sin_port = htons(port);
- if (copy_to_user(to, &temp, addrlen)) {
- sctp_spin_unlock_irqrestore(&sctp_local_addr_lock,
- flags);
+ if (copy_to_user(to, &temp, addrlen))
return -EFAULT;
- }
+
to += addrlen;
cnt ++;
if (cnt >= max_addrs) break;
}
- sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags);
return cnt;
}
static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port,
void __user **to, size_t space_left)
{
- struct list_head *pos;
+ struct list_head *pos, *next;
struct sctp_sockaddr_entry *addr;
- unsigned long flags;
union sctp_addr temp;
int cnt = 0;
int addrlen;
- sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags);
- list_for_each(pos, &sctp_local_addr_list) {
+ list_for_each_safe(pos, next, &sctp_local_addr_list) {
addr = list_entry(pos, struct sctp_sockaddr_entry, list);
if ((PF_INET == sk->sk_family) &&
- (AF_INET6 == addr->a_h.sa.sa_family))
+ (AF_INET6 == addr->a.sa.sa_family))
continue;
- memcpy(&temp, &addr->a_h, sizeof(temp));
+ memcpy(&temp, &addr->a, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
&temp);
addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if(space_left<addrlen)
return -ENOMEM;
- temp.v4.sin_port = htons(port);
- if (copy_to_user(*to, &temp, addrlen)) {
- sctp_spin_unlock_irqrestore(&sctp_local_addr_lock,
- flags);
+ if (copy_to_user(*to, &temp, addrlen))
return -EFAULT;
- }
+
*to += addrlen;
cnt ++;
space_left -= addrlen;
}
- sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags);
return cnt;
}
if (sctp_list_single_entry(&bp->address_list)) {
addr = list_entry(bp->address_list.next,
struct sctp_sockaddr_entry, list);
- if (sctp_is_any(&addr->a_h)) {
+ if (sctp_is_any(&addr->a)) {
cnt = sctp_copy_laddrs_to_user_old(sk, bp->port,
getaddrs.addr_num,
to);
list_for_each(pos, &bp->address_list) {
addr = list_entry(pos, struct sctp_sockaddr_entry, list);
- memcpy(&temp, &addr->a_h, sizeof(temp));
+ 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;
- temp.v4.sin_port = htons(temp.v4.sin_port);
if (copy_to_user(to, &temp, addrlen)) {
err = -EFAULT;
goto unlock;
if (sctp_list_single_entry(&bp->address_list)) {
addr = list_entry(bp->address_list.next,
struct sctp_sockaddr_entry, list);
- if (sctp_is_any(&addr->a_h)) {
+ if (sctp_is_any(&addr->a)) {
cnt = sctp_copy_laddrs_to_user(sk, bp->port,
&to, space_left);
if (cnt < 0) {
list_for_each(pos, &bp->address_list) {
addr = list_entry(pos, struct sctp_sockaddr_entry, list);
- memcpy(&temp, &addr->a_h, sizeof(temp));
+ 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;
if(space_left < addrlen)
return -ENOMEM; /*fixme: right error?*/
- temp.v4.sin_port = htons(temp.v4.sin_port);
if (copy_to_user(to, &temp, addrlen)) {
err = -EFAULT;
goto unlock;
if (!asoc->peer.primary_path)
return -ENOTCONN;
- flip_to_n((union sctp_addr *)&prim.ssp_addr,
- &asoc->peer.primary_path->ipaddr_h);
+ memcpy(&prim.ssp_addr, &asoc->peer.primary_path->ipaddr,
+ asoc->peer.primary_path->af_specific->sockaddr_len);
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp,
(union sctp_addr *)&prim.ssp_addr);
}
/*
- * 7.1.11 Set Adaption Layer Indicator (SCTP_ADAPTION_LAYER)
+ * 7.1.11 Set Adaptation Layer Indicator (SCTP_ADAPTATION_LAYER)
*
- * Requests that the local endpoint set the specified Adaption Layer
+ * Requests that the local endpoint set the specified Adaptation Layer
* Indication parameter for all future INIT and INIT-ACK exchanges.
*/
-static int sctp_getsockopt_adaption_layer(struct sock *sk, int len,
+static int sctp_getsockopt_adaptation_layer(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
- struct sctp_setadaption adaption;
+ struct sctp_setadaptation adaptation;
- if (len != sizeof(struct sctp_setadaption))
+ if (len != sizeof(struct sctp_setadaptation))
return -EINVAL;
- adaption.ssb_adaption_ind = sctp_sk(sk)->adaption_ind;
- if (copy_to_user(optval, &adaption, len))
+ adaptation.ssb_adaptation_ind = sctp_sk(sk)->adaptation_ind;
+ if (copy_to_user(optval, &adaptation, len))
return -EFAULT;
return 0;
return 0;
}
+/*
+ * 7.1.29. Set or Get the default context (SCTP_CONTEXT)
+ * (chapter and verse is quoted at sctp_setsockopt_context())
+ */
+static int sctp_getsockopt_context(struct sock *sk, int len,
+ char __user *optval, int __user *optlen)
+{
+ struct sctp_assoc_value params;
+ struct sctp_sock *sp;
+ struct sctp_association *asoc;
+
+ if (len != sizeof(struct sctp_assoc_value))
+ return -EINVAL;
+
+ if (copy_from_user(¶ms, optval, len))
+ return -EFAULT;
+
+ sp = sctp_sk(sk);
+
+ if (params.assoc_id != 0) {
+ asoc = sctp_id2assoc(sk, params.assoc_id);
+ if (!asoc)
+ return -EINVAL;
+ params.assoc_value = asoc->default_rcv_context;
+ } else {
+ params.assoc_value = sp->default_rcv_context;
+ }
+
+ if (put_user(len, optlen))
+ return -EFAULT;
+ if (copy_to_user(optval, ¶ms, len))
+ return -EFAULT;
+
+ return 0;
+}
+
/*
* 7.1.17 Set the maximum fragrmentation size (SCTP_MAXSEG)
*
retval = sctp_getsockopt_peer_addr_info(sk, len, optval,
optlen);
break;
- case SCTP_ADAPTION_LAYER:
- retval = sctp_getsockopt_adaption_layer(sk, len, optval,
+ case SCTP_ADAPTATION_LAYER:
+ retval = sctp_getsockopt_adaptation_layer(sk, len, optval,
optlen);
break;
+ case SCTP_CONTEXT:
+ retval = sctp_getsockopt_context(sk, len, optval, optlen);
+ break;
default:
retval = -ENOPROTOOPT;
break;
{
struct sctp_bind_hashbucket *head; /* hash list */
struct sctp_bind_bucket *pp; /* hash list port iterator */
- union sctp_addr tmp;
unsigned short snum;
int ret;
- flip_to_h(&tmp, addr);
snum = ntohs(addr->v4.sin_port);
SCTP_DEBUG_PRINTK("sctp_get_port() begins, snum=%d\n", snum);
if (reuse && sk2->sk_reuse)
continue;
- if (sctp_bind_addr_match(&ep2->base.bind_addr, &tmp,
+ if (sctp_bind_addr_match(&ep2->base.bind_addr, addr,
sctp_sk(sk))) {
ret = (long)sk2;
goto fail_unlock;
{
struct sctp_bind_bucket *pp;
- pp = kmem_cache_alloc(sctp_bucket_cachep, SLAB_ATOMIC);
+ pp = kmem_cache_alloc(sctp_bucket_cachep, GFP_ATOMIC);
SCTP_DBG_OBJCNT_INC(bind_bucket);
if (pp) {
pp->port = snum;
{
union sctp_addr autoaddr;
struct sctp_af *af;
- unsigned short port;
+ __be16 port;
/* Initialize a local sockaddr structure to INADDR_ANY. */
af = sctp_sk(sk)->pf->af;
git.openpandora.org / pandora-kernel.git / blobdiff