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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 3a1767ef3201..fee5552ddf92 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -219,6 +219,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
219 gfp_t gfp, int vparam_len) 219 gfp_t gfp, int vparam_len)
220{ 220{
221 struct net *net = sock_net(asoc->base.sk); 221 struct net *net = sock_net(asoc->base.sk);
222 struct sctp_endpoint *ep = asoc->ep;
222 sctp_inithdr_t init; 223 sctp_inithdr_t init;
223 union sctp_params addrs; 224 union sctp_params addrs;
224 size_t chunksize; 225 size_t chunksize;
@@ -278,7 +279,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
278 chunksize += vparam_len; 279 chunksize += vparam_len;
279 280
280 /* Account for AUTH related parameters */ 281 /* Account for AUTH related parameters */
281 if (net->sctp.auth_enable) { 282 if (ep->auth_enable) {
282 /* Add random parameter length*/ 283 /* Add random parameter length*/
283 chunksize += sizeof(asoc->c.auth_random); 284 chunksize += sizeof(asoc->c.auth_random);
284 285
@@ -363,7 +364,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
363 } 364 }
364 365
365 /* Add SCTP-AUTH chunks to the parameter list */ 366 /* Add SCTP-AUTH chunks to the parameter list */
366 if (net->sctp.auth_enable) { 367 if (ep->auth_enable) {
367 sctp_addto_chunk(retval, sizeof(asoc->c.auth_random), 368 sctp_addto_chunk(retval, sizeof(asoc->c.auth_random),
368 asoc->c.auth_random); 369 asoc->c.auth_random);
369 if (auth_hmacs) 370 if (auth_hmacs)
@@ -2010,7 +2011,7 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
2010 /* if the peer reports AUTH, assume that he 2011 /* if the peer reports AUTH, assume that he
2011 * supports AUTH. 2012 * supports AUTH.
2012 */ 2013 */
2013 if (net->sctp.auth_enable) 2014 if (asoc->ep->auth_enable)
2014 asoc->peer.auth_capable = 1; 2015 asoc->peer.auth_capable = 1;
2015 break; 2016 break;
2016 case SCTP_CID_ASCONF: 2017 case SCTP_CID_ASCONF:
@@ -2102,6 +2103,7 @@ static sctp_ierror_t sctp_process_unk_param(const struct sctp_association *asoc,
2102 * SCTP_IERROR_NO_ERROR - continue with the chunk 2103 * SCTP_IERROR_NO_ERROR - continue with the chunk
2103 */ 2104 */
2104static sctp_ierror_t sctp_verify_param(struct net *net, 2105static sctp_ierror_t sctp_verify_param(struct net *net,
2106 const struct sctp_endpoint *ep,
2105 const struct sctp_association *asoc, 2107 const struct sctp_association *asoc,
2106 union sctp_params param, 2108 union sctp_params param,
2107 sctp_cid_t cid, 2109 sctp_cid_t cid,
@@ -2152,7 +2154,7 @@ static sctp_ierror_t sctp_verify_param(struct net *net,
2152 goto fallthrough; 2154 goto fallthrough;
2153 2155
2154 case SCTP_PARAM_RANDOM: 2156 case SCTP_PARAM_RANDOM:
2155 if (!net->sctp.auth_enable) 2157 if (!ep->auth_enable)
2156 goto fallthrough; 2158 goto fallthrough;
2157 2159
2158 /* SCTP-AUTH: Secion 6.1 2160 /* SCTP-AUTH: Secion 6.1
@@ -2169,7 +2171,7 @@ static sctp_ierror_t sctp_verify_param(struct net *net,
2169 break; 2171 break;
2170 2172
2171 case SCTP_PARAM_CHUNKS: 2173 case SCTP_PARAM_CHUNKS:
2172 if (!net->sctp.auth_enable) 2174 if (!ep->auth_enable)
2173 goto fallthrough; 2175 goto fallthrough;
2174 2176
2175 /* SCTP-AUTH: Section 3.2 2177 /* SCTP-AUTH: Section 3.2
@@ -2185,7 +2187,7 @@ static sctp_ierror_t sctp_verify_param(struct net *net,
2185 break; 2187 break;
2186 2188
2187 case SCTP_PARAM_HMAC_ALGO: 2189 case SCTP_PARAM_HMAC_ALGO:
2188 if (!net->sctp.auth_enable) 2190 if (!ep->auth_enable)
2189 goto fallthrough; 2191 goto fallthrough;
2190 2192
2191 hmacs = (struct sctp_hmac_algo_param *)param.p; 2193 hmacs = (struct sctp_hmac_algo_param *)param.p;
@@ -2220,10 +2222,9 @@ fallthrough:
2220} 2222}
2221 2223
2222/* Verify the INIT packet before we process it. */ 2224/* Verify the INIT packet before we process it. */
2223int sctp_verify_init(struct net *net, const struct sctp_association *asoc, 2225int sctp_verify_init(struct net *net, const struct sctp_endpoint *ep,
2224 sctp_cid_t cid, 2226 const struct sctp_association *asoc, sctp_cid_t cid,
2225 sctp_init_chunk_t *peer_init, 2227 sctp_init_chunk_t *peer_init, struct sctp_chunk *chunk,
2226 struct sctp_chunk *chunk,
2227 struct sctp_chunk **errp) 2228 struct sctp_chunk **errp)
2228{ 2229{
2229 union sctp_params param; 2230 union sctp_params param;
@@ -2264,8 +2265,8 @@ int sctp_verify_init(struct net *net, const struct sctp_association *asoc,
2264 2265
2265 /* Verify all the variable length parameters */ 2266 /* Verify all the variable length parameters */
2266 sctp_walk_params(param, peer_init, init_hdr.params) { 2267 sctp_walk_params(param, peer_init, init_hdr.params) {
2267 2268 result = sctp_verify_param(net, ep, asoc, param, cid,
2268 result = sctp_verify_param(net, asoc, param, cid, chunk, errp); 2269 chunk, errp);
2269 switch (result) { 2270 switch (result) {
2270 case SCTP_IERROR_ABORT: 2271 case SCTP_IERROR_ABORT:
2271 case SCTP_IERROR_NOMEM: 2272 case SCTP_IERROR_NOMEM:
@@ -2497,6 +2498,7 @@ static int sctp_process_param(struct sctp_association *asoc,
2497 struct sctp_af *af; 2498 struct sctp_af *af;
2498 union sctp_addr_param *addr_param; 2499 union sctp_addr_param *addr_param;
2499 struct sctp_transport *t; 2500 struct sctp_transport *t;
2501 struct sctp_endpoint *ep = asoc->ep;
2500 2502
2501 /* We maintain all INIT parameters in network byte order all the 2503 /* We maintain all INIT parameters in network byte order all the
2502 * time. This allows us to not worry about whether the parameters 2504 * time. This allows us to not worry about whether the parameters
@@ -2636,7 +2638,7 @@ do_addr_param:
2636 goto fall_through; 2638 goto fall_through;
2637 2639
2638 case SCTP_PARAM_RANDOM: 2640 case SCTP_PARAM_RANDOM:
2639 if (!net->sctp.auth_enable) 2641 if (!ep->auth_enable)
2640 goto fall_through; 2642 goto fall_through;
2641 2643
2642 /* Save peer's random parameter */ 2644 /* Save peer's random parameter */
@@ -2649,7 +2651,7 @@ do_addr_param:
2649 break; 2651 break;
2650 2652
2651 case SCTP_PARAM_HMAC_ALGO: 2653 case SCTP_PARAM_HMAC_ALGO:
2652 if (!net->sctp.auth_enable) 2654 if (!ep->auth_enable)
2653 goto fall_through; 2655 goto fall_through;
2654 2656
2655 /* Save peer's HMAC list */ 2657 /* Save peer's HMAC list */
@@ -2665,7 +2667,7 @@ do_addr_param:
2665 break; 2667 break;
2666 2668
2667 case SCTP_PARAM_CHUNKS: 2669 case SCTP_PARAM_CHUNKS:
2668 if (!net->sctp.auth_enable) 2670 if (!ep->auth_enable)
2669 goto fall_through; 2671 goto fall_through;
2670 2672
2671 asoc->peer.peer_chunks = kmemdup(param.p, 2673 asoc->peer.peer_chunks = kmemdup(param.p,