#include <net/sctp/sctp.h>
#include <net/sctp/sm.h>
-extern kmem_cache_t *sctp_chunk_cachep;
+extern struct kmem_cache *sctp_chunk_cachep;
SCTP_STATIC
struct sctp_chunk *sctp_make_chunk(const struct sctp_association *asoc,
* provided chunk, as most cause codes will be embedded inside an
* abort chunk.
*/
-void sctp_init_cause(struct sctp_chunk *chunk, __u16 cause_code,
+void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause_code,
const void *payload, size_t paylen)
{
sctp_errhdr_t err;
padlen = len % 4;
err.length = htons(len);
len += padlen;
- sctp_addto_chunk(chunk, sizeof(sctp_errhdr_t), &err);
- chunk->subh.err_hdr = sctp_addto_chunk(chunk, paylen, payload);
+ chunk->subh.err_hdr = sctp_addto_chunk(chunk, sizeof(sctp_errhdr_t), &err);
+ sctp_addto_chunk(chunk, paylen, payload);
}
/* 3.3.2 Initiation (INIT) (1)
int num_types, addrs_len = 0;
struct sctp_sock *sp;
sctp_supported_addrs_param_t sat;
- __u16 types[2];
- sctp_adaption_ind_param_t aiparam;
+ __be16 types[2];
+ sctp_adaptation_ind_param_t aiparam;
/* RFC 2960 3.3.2 Initiation (INIT) (1)
*
sctp_addto_chunk(retval, sizeof(ecap_param), &ecap_param);
if (sctp_prsctp_enable)
sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);
- aiparam.param_hdr.type = SCTP_PARAM_ADAPTION_LAYER_IND;
+ aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
aiparam.param_hdr.length = htons(sizeof(aiparam));
- aiparam.adaption_ind = htonl(sp->adaption_ind);
+ aiparam.adaptation_ind = htonl(sp->adaptation_ind);
sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
nodata:
kfree(addrs.v);
sctp_cookie_param_t *cookie;
int cookie_len;
size_t chunksize;
- sctp_adaption_ind_param_t aiparam;
+ sctp_adaptation_ind_param_t aiparam;
retval = NULL;
if (asoc->peer.prsctp_capable)
sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);
- aiparam.param_hdr.type = SCTP_PARAM_ADAPTION_LAYER_IND;
+ aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
aiparam.param_hdr.length = htons(sizeof(aiparam));
- aiparam.adaption_ind = htonl(sctp_sk(asoc->base.sk)->adaption_ind);
+ aiparam.adaptation_ind = htonl(sctp_sk(asoc->base.sk)->adaptation_ind);
sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
/* We need to remove the const qualifier at this point. */
const struct sctp_chunk *chunk, __u32 tsn)
{
struct sctp_chunk *retval;
- __u32 payload;
+ __be32 payload;
retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t)
+ sizeof(tsn));
/* Create an Operation Error chunk. */
struct sctp_chunk *sctp_make_op_error(const struct sctp_association *asoc,
const struct sctp_chunk *chunk,
- __u16 cause_code, const void *payload,
+ __be16 cause_code, const void *payload,
size_t paylen)
{
struct sctp_chunk *retval;
{
struct sctp_chunk *retval;
- retval = kmem_cache_alloc(sctp_chunk_cachep, SLAB_ATOMIC);
+ retval = kmem_cache_alloc(sctp_chunk_cachep, GFP_ATOMIC);
if (!retval)
goto nodata;
if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED) {
ssn = 0;
} else {
- sid = htons(chunk->subh.data_hdr->stream);
+ sid = ntohs(chunk->subh.data_hdr->stream);
if (chunk->chunk_hdr->flags & SCTP_DATA_LAST_FRAG)
ssn = sctp_ssn_next(&chunk->asoc->ssnmap->out, sid);
else
ssn = sctp_ssn_peek(&chunk->asoc->ssnmap->out, sid);
- ssn = htons(ssn);
}
- chunk->subh.data_hdr->ssn = ssn;
+ chunk->subh.data_hdr->ssn = htons(ssn);
chunk->has_ssn = 1;
}
- (bodysize % SCTP_COOKIE_MULTIPLE);
*cookie_len = headersize + bodysize;
- retval = kmalloc(*cookie_len, GFP_ATOMIC);
-
- if (!retval) {
- *cookie_len = 0;
- goto nodata;
- }
-
/* Clear this memory since we are sending this data structure
* out on the network.
*/
- memset(retval, 0x00, *cookie_len);
+ retval = kzalloc(*cookie_len, GFP_ATOMIC);
+ if (!retval)
+ goto nodata;
+
cookie = (struct sctp_signed_cookie *) retval->body;
/* Set up the parameter header. */
/* Remember PR-SCTP capability. */
cookie->c.prsctp_capable = asoc->peer.prsctp_capable;
- /* Save adaption indication in the cookie. */
- cookie->c.adaption_ind = asoc->peer.adaption_ind;
+ /* Save adaptation indication in the cookie. */
+ cookie->c.adaptation_ind = asoc->peer.adaptation_ind;
/* Set an expiration time for the cookie. */
do_gettimeofday(&cookie->c.expiration);
ntohs(init_chunk->chunk_hdr->length), raw_addrs, addrs_len);
if (sctp_sk(ep->base.sk)->hmac) {
+ struct hash_desc desc;
+
/* Sign the message. */
sg.page = virt_to_page(&cookie->c);
sg.offset = (unsigned long)(&cookie->c) % PAGE_SIZE;
sg.length = bodysize;
keylen = SCTP_SECRET_SIZE;
key = (char *)ep->secret_key[ep->current_key];
+ desc.tfm = sctp_sk(ep->base.sk)->hmac;
+ desc.flags = 0;
- sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen,
- &sg, 1, cookie->signature);
+ if (crypto_hash_setkey(desc.tfm, key, keylen) ||
+ crypto_hash_digest(&desc, &sg, bodysize, cookie->signature))
+ goto free_cookie;
}
-nodata:
return retval;
+
+free_cookie:
+ kfree(retval);
+nodata:
+ *cookie_len = 0;
+ return NULL;
}
/* Unpack the cookie from COOKIE ECHO chunk, recreating the association. */
sctp_scope_t scope;
struct sk_buff *skb = chunk->skb;
struct timeval tv;
+ struct hash_desc desc;
/* Header size is static data prior to the actual cookie, including
* any padding.
sg.offset = (unsigned long)(bear_cookie) % PAGE_SIZE;
sg.length = bodysize;
key = (char *)ep->secret_key[ep->current_key];
+ desc.tfm = sctp_sk(ep->base.sk)->hmac;
+ desc.flags = 0;
- memset(digest, 0x00, sizeof(digest));
- sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen, &sg,
- 1, digest);
+ memset(digest, 0x00, SCTP_SIGNATURE_SIZE);
+ if (crypto_hash_setkey(desc.tfm, key, keylen) ||
+ crypto_hash_digest(&desc, &sg, bodysize, digest)) {
+ *error = -SCTP_IERROR_NOMEM;
+ goto fail;
+ }
if (memcmp(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) {
/* Try the previous key. */
key = (char *)ep->secret_key[ep->last_key];
- memset(digest, 0x00, sizeof(digest));
- sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen,
- &sg, 1, digest);
+ memset(digest, 0x00, SCTP_SIGNATURE_SIZE);
+ if (crypto_hash_setkey(desc.tfm, key, keylen) ||
+ crypto_hash_digest(&desc, &sg, bodysize, digest)) {
+ *error = -SCTP_IERROR_NOMEM;
+ goto fail;
+ }
if (memcmp(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) {
/* Yikes! Still bad signature! */
goto fail;
}
- if (ntohs(chunk->sctp_hdr->source) != bear_cookie->peer_addr.v4.sin_port ||
+ if (chunk->sctp_hdr->source != bear_cookie->peer_addr.v4.sin_port ||
ntohs(chunk->sctp_hdr->dest) != bear_cookie->my_port) {
*error = -SCTP_IERROR_BAD_PORTS;
goto fail;
/* Check to see if the cookie is stale. If there is already
* an association, there is no need to check cookie's expiration
* for init collision case of lost COOKIE ACK.
+ * If skb has been timestamped, then use the stamp, otherwise
+ * use current time. This introduces a small possibility that
+ * that a cookie may be considered expired, but his would only slow
+ * down the new association establishment instead of every packet.
*/
- skb_get_timestamp(skb, &tv);
+ if (sock_flag(ep->base.sk, SOCK_TIMESTAMP))
+ skb_get_timestamp(skb, &tv);
+ else
+ do_gettimeofday(&tv);
+
if (!asoc && tv_lt(bear_cookie->expiration, tv)) {
__u16 len;
/*
suseconds_t usecs = (tv.tv_sec -
bear_cookie->expiration.tv_sec) * 1000000L +
tv.tv_usec - bear_cookie->expiration.tv_usec;
+ __be32 n = htonl(usecs);
- usecs = htonl(usecs);
sctp_init_cause(*errp, SCTP_ERROR_STALE_COOKIE,
- &usecs, sizeof(usecs));
+ &n, sizeof(n));
*error = -SCTP_IERROR_STALE_COOKIE;
} else
*error = -SCTP_IERROR_NOMEM;
/* Also, add the destination address. */
if (list_empty(&retval->base.bind_addr.address_list)) {
- sctp_add_bind_addr(&retval->base.bind_addr, &chunk->dest,
+ sctp_add_bind_addr(&retval->base.bind_addr, &chunk->dest, 1,
GFP_ATOMIC);
}
retval->addip_serial = retval->c.initial_tsn;
retval->adv_peer_ack_point = retval->ctsn_ack_point;
retval->peer.prsctp_capable = retval->c.prsctp_capable;
- retval->peer.adaption_ind = retval->c.adaption_ind;
+ retval->peer.adaptation_ind = retval->c.adaptation_ind;
/* The INIT stuff will be done by the side effects. */
return retval;
********************************************************************/
struct __sctp_missing {
- __u32 num_missing;
- __u16 type;
+ __be32 num_missing;
+ __be16 type;
} __attribute__((packed));
/*
if (*errp) {
report.num_missing = htonl(1);
report.type = paramtype;
- sctp_init_cause(*errp, SCTP_ERROR_INV_PARAM,
+ sctp_init_cause(*errp, SCTP_ERROR_MISS_PARAM,
&report, sizeof(report));
}
case SCTP_PARAM_HEARTBEAT_INFO:
case SCTP_PARAM_UNRECOGNIZED_PARAMETERS:
case SCTP_PARAM_ECN_CAPABLE:
- case SCTP_PARAM_ADAPTION_LAYER_IND:
+ case SCTP_PARAM_ADAPTATION_LAYER_IND:
break;
case SCTP_PARAM_HOST_NAME_ADDRESS:
/* Verify stream values are non-zero. */
if ((0 == peer_init->init_hdr.num_outbound_streams) ||
- (0 == peer_init->init_hdr.num_inbound_streams)) {
+ (0 == peer_init->init_hdr.num_inbound_streams) ||
+ (0 == peer_init->init_hdr.init_tag) ||
+ (SCTP_DEFAULT_MINWINDOW > ntohl(peer_init->init_hdr.a_rwnd))) {
sctp_process_inv_mandatory(asoc, chunk, errp);
return 0;
* added as the primary transport. The source address seems to
* be a a better choice than any of the embedded addresses.
*/
- if (peer_addr)
+ if (peer_addr) {
if(!sctp_assoc_add_peer(asoc, peer_addr, gfp, SCTP_ACTIVE))
goto nomem;
+ }
/* Process the initialization parameters. */
/* Copy cookie in case we need to resend COOKIE-ECHO. */
cookie = asoc->peer.cookie;
if (cookie) {
- asoc->peer.cookie = kmalloc(asoc->peer.cookie_len, gfp);
+ asoc->peer.cookie = kmemdup(cookie, asoc->peer.cookie_len, gfp);
if (!asoc->peer.cookie)
goto clean_up;
- memcpy(asoc->peer.cookie, cookie, asoc->peer.cookie_len);
}
/* RFC 2960 7.2.1 The initial value of ssthresh MAY be arbitrarily
/* Fall through. */
case SCTP_PARAM_IPV4_ADDRESS:
af = sctp_get_af_specific(param_type2af(param.p->type));
- af->from_addr_param(&addr, param.addr, asoc->peer.port, 0);
+ af->from_addr_param(&addr, param.addr, htons(asoc->peer.port), 0);
scope = sctp_scope(peer_addr);
if (sctp_in_scope(&addr, scope))
- if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_ACTIVE))
+ if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_UNCONFIRMED))
return 0;
break;
asoc->peer.ecn_capable = 1;
break;
- case SCTP_PARAM_ADAPTION_LAYER_IND:
- asoc->peer.adaption_ind = param.aind->adaption_ind;
+ case SCTP_PARAM_ADAPTATION_LAYER_IND:
+ asoc->peer.adaptation_ind = param.aind->adaptation_ind;
break;
case SCTP_PARAM_FWD_TSN_SUPPORT:
union sctp_addr *laddr,
struct sockaddr *addrs,
int addrcnt,
- __u16 flags)
+ __be16 flags)
{
sctp_addip_param_t param;
struct sctp_chunk *retval;
}
/* Add response parameters to an ASCONF_ACK chunk. */
-static void sctp_add_asconf_response(struct sctp_chunk *chunk, __u32 crr_id,
- __u16 err_code, sctp_addip_param_t *asconf_param)
+static void sctp_add_asconf_response(struct sctp_chunk *chunk, __be32 crr_id,
+ __be16 err_code, sctp_addip_param_t *asconf_param)
{
sctp_addip_param_t ack_param;
sctp_errhdr_t err_param;
int asconf_param_len = 0;
int err_param_len = 0;
- __u16 response_type;
+ __be16 response_type;
if (SCTP_ERROR_NO_ERROR == err_code) {
response_type = SCTP_PARAM_SUCCESS_REPORT;
}
/* Process a asconf parameter. */
-static __u16 sctp_process_asconf_param(struct sctp_association *asoc,
+static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
struct sctp_chunk *asconf,
sctp_addip_param_t *asconf_param)
{
union sctp_addr addr;
struct list_head *pos;
union sctp_addr_param *addr_param;
-
+
addr_param = (union sctp_addr_param *)
((void *)asconf_param + sizeof(sctp_addip_param_t));
if (unlikely(!af))
return SCTP_ERROR_INV_PARAM;
- af->from_addr_param(&addr, addr_param, asoc->peer.port, 0);
+ af->from_addr_param(&addr, addr_param, htons(asoc->peer.port), 0);
switch (asconf_param->param_hdr.type) {
case SCTP_PARAM_ADD_IP:
/* ADDIP 4.3 D9) If an endpoint receives an ADD IP address
* Due to Resource Shortage'.
*/
- peer = sctp_assoc_add_peer(asoc, &addr, GFP_ATOMIC, SCTP_ACTIVE);
+ peer = sctp_assoc_add_peer(asoc, &addr, GFP_ATOMIC, SCTP_UNCONFIRMED);
if (!peer)
return SCTP_ERROR_RSRC_LOW;
sctp_addip_param_t *asconf_param;
struct sctp_chunk *asconf_ack;
- __u16 err_code;
+ __be16 err_code;
int length = 0;
int chunk_len = asconf->skb->len;
__u32 serial;
union sctp_addr_param *addr_param;
struct list_head *pos;
struct sctp_transport *transport;
+ struct sctp_sockaddr_entry *saddr;
int retval = 0;
addr_param = (union sctp_addr_param *)
/* We have checked the packet before, so we do not check again. */
af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type));
- af->from_addr_param(&addr, addr_param, bp->port, 0);
+ af->from_addr_param(&addr, addr_param, htons(bp->port), 0);
switch (asconf_param->param_hdr.type) {
case SCTP_PARAM_ADD_IP:
sctp_local_bh_disable();
sctp_write_lock(&asoc->base.addr_lock);
- retval = sctp_add_bind_addr(bp, &addr, GFP_ATOMIC);
+ list_for_each(pos, &bp->address_list) {
+ saddr = list_entry(pos, struct sctp_sockaddr_entry, list);
+ if (sctp_cmp_addr_exact(&saddr->a, &addr))
+ saddr->use_as_src = 1;
+ }
sctp_write_unlock(&asoc->base.addr_lock);
sctp_local_bh_enable();
break;
list_for_each(pos, &asoc->peer.transport_addr_list) {
transport = list_entry(pos, struct sctp_transport,
transports);
+ dst_release(transport->dst);
sctp_transport_route(transport, NULL,
sctp_sk(asoc->base.sk));
}
* All TLVs after the failed response are considered unsuccessful unless a
* specific success indication is present for the parameter.
*/
-static __u16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
+static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
sctp_addip_param_t *asconf_param,
int no_err)
{
sctp_errhdr_t *err_param;
int length;
int asconf_ack_len = asconf_ack->skb->len;
- __u16 err_code;
+ __be16 err_code;
if (no_err)
err_code = SCTP_ERROR_NO_ERROR;
int all_param_pass = 0;
int no_err = 1;
int retval = 0;
- __u16 err_code = SCTP_ERROR_NO_ERROR;
+ __be16 err_code = SCTP_ERROR_NO_ERROR;
/* Skip the chunkhdr and addiphdr from the last asconf sent and store
* a pointer to address parameter.
git://git.onelab.eu / linux-2.6.git / blobdiff