diff options
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/Kconfig | 6 | ||||
| -rw-r--r-- | net/sctp/auth.c | 4 | ||||
| -rw-r--r-- | net/sctp/sm_make_chunk.c | 25 | ||||
| -rw-r--r-- | net/sctp/sm_statefuns.c | 2 |
4 files changed, 16 insertions, 21 deletions
diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig index 8210f549c492..5390bc792159 100644 --- a/net/sctp/Kconfig +++ b/net/sctp/Kconfig @@ -6,9 +6,9 @@ menuconfig IP_SCTP tristate "The SCTP Protocol (EXPERIMENTAL)" depends on INET && EXPERIMENTAL depends on IPV6 || IPV6=n - select CRYPTO if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5 - select CRYPTO_HMAC if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5 - select CRYPTO_SHA1 if SCTP_HMAC_SHA1 + select CRYPTO + select CRYPTO_HMAC + select CRYPTO_SHA1 select CRYPTO_MD5 if SCTP_HMAC_MD5 ---help--- Stream Control Transmission Protocol diff --git a/net/sctp/auth.c b/net/sctp/auth.c index 6d5fa6bb371b..97e6ebd14500 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -54,11 +54,13 @@ static struct sctp_hmac sctp_hmac_list[SCTP_AUTH_NUM_HMACS] = { /* id 2 is reserved as well */ .hmac_id = SCTP_AUTH_HMAC_ID_RESERVED_2, }, +#if defined (CONFIG_CRYPTO_SHA256) || defined (CONFIG_CRYPTO_SHA256_MODULE) { .hmac_id = SCTP_AUTH_HMAC_ID_SHA256, .hmac_name="hmac(sha256)", .hmac_len = SCTP_SHA256_SIG_SIZE, } +#endif }; @@ -631,7 +633,7 @@ static int __sctp_auth_cid(sctp_cid_t chunk, struct sctp_chunks_param *param) int found = 0; int i; - if (!param) + if (!param || param->param_hdr.length == 0) return 0; len = ntohs(param->param_hdr.length) - sizeof(sctp_paramhdr_t); diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 5a9783c38de1..f4876291bb5e 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -77,6 +77,8 @@ static int sctp_process_param(struct sctp_association *asoc, union sctp_params param, const union sctp_addr *peer_addr, gfp_t gfp); +static void *sctp_addto_param(struct sctp_chunk *chunk, int len, + const void *data); /* What was the inbound interface for this chunk? */ int sctp_chunk_iif(const struct sctp_chunk *chunk) @@ -207,11 +209,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, chunksize = sizeof(init) + addrs_len + SCTP_SAT_LEN(num_types); chunksize += sizeof(ecap_param); - if (sctp_prsctp_enable) { - chunksize += sizeof(prsctp_param); - extensions[num_ext] = SCTP_CID_FWD_TSN; - num_ext += 1; - } + /* ADDIP: Section 4.2.7: * An implementation supporting this extension [ADDIP] MUST list * the ASCONF,the ASCONF-ACK, and the AUTH chunks in its INIT and @@ -243,7 +241,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, if (auth_chunks->length) chunksize += ntohs(auth_chunks->length); else - auth_hmacs = NULL; + auth_chunks = NULL; extensions[num_ext] = SCTP_CID_AUTH; num_ext += 1; @@ -297,7 +295,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, htons(sizeof(sctp_supported_ext_param_t) + num_ext); sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t), &ext_param); - sctp_addto_chunk(retval, num_ext, extensions); + sctp_addto_param(retval, num_ext, extensions); } if (sctp_prsctp_enable) @@ -371,20 +369,12 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc, if (asoc->peer.ecn_capable) chunksize += sizeof(ecap_param); - /* Tell peer that we'll do PR-SCTP only if peer advertised. */ - if (asoc->peer.prsctp_capable) { - chunksize += sizeof(prsctp_param); - extensions[num_ext] = SCTP_CID_FWD_TSN; - num_ext += 1; - } - if (sctp_addip_enable) { extensions[num_ext] = SCTP_CID_ASCONF; extensions[num_ext+1] = SCTP_CID_ASCONF_ACK; num_ext += 2; } - chunksize += sizeof(ext_param) + num_ext; chunksize += sizeof(aiparam); if (asoc->peer.auth_capable) { @@ -407,6 +397,9 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc, num_ext += 1; } + if (num_ext) + chunksize += sizeof(sctp_supported_ext_param_t) + num_ext; + /* Now allocate and fill out the chunk. */ retval = sctp_make_chunk(asoc, SCTP_CID_INIT_ACK, 0, chunksize); if (!retval) @@ -428,7 +421,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc, htons(sizeof(sctp_supported_ext_param_t) + num_ext); sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t), &ext_param); - sctp_addto_chunk(retval, num_ext, extensions); + sctp_addto_param(retval, num_ext, extensions); } if (asoc->peer.prsctp_capable) sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param); diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index b8bbb960723c..5fb84778846d 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -959,7 +959,7 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep, { struct sctp_transport *transport = (struct sctp_transport *) arg; - if (asoc->overall_error_count >= asoc->max_retrans) { + if (asoc->overall_error_count > asoc->max_retrans) { sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ETIMEDOUT)); /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */ |