X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Fsctp%2Fsm_make_chunk.c;h=fbe1636309a75ac054de225fe4d1cf245a3923d2;hb=e1fc3b14f9a90d9591016749289f2c3d7b35fbf4;hp=a4b096f85a68035f85c15d03d487466400586307;hpb=f53b5b097e58361668b785eff9f7bcd12b4255ec;p=firefly-linux-kernel-4.4.55.git diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index a4b096f85a68..fbe1636309a7 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -198,6 +198,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, const struct sctp_bind_addr *bp, gfp_t gfp, int vparam_len) { + struct net *net = sock_net(asoc->base.sk); sctp_inithdr_t init; union sctp_params addrs; size_t chunksize; @@ -237,7 +238,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, chunksize += WORD_ROUND(SCTP_SAT_LEN(num_types)); chunksize += sizeof(ecap_param); - if (sctp_prsctp_enable) + if (net->sctp.prsctp_enable) chunksize += sizeof(prsctp_param); /* ADDIP: Section 4.2.7: @@ -245,7 +246,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, * the ASCONF,the ASCONF-ACK, and the AUTH chunks in its INIT and * INIT-ACK parameters. */ - if (sctp_addip_enable) { + if (net->sctp.addip_enable) { extensions[num_ext] = SCTP_CID_ASCONF; extensions[num_ext+1] = SCTP_CID_ASCONF_ACK; num_ext += 2; @@ -257,7 +258,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, chunksize += vparam_len; /* Account for AUTH related parameters */ - if (sctp_auth_enable) { + if (net->sctp.auth_enable) { /* Add random parameter length*/ chunksize += sizeof(asoc->c.auth_random); @@ -331,7 +332,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, sctp_addto_param(retval, num_ext, extensions); } - if (sctp_prsctp_enable) + if (net->sctp.prsctp_enable) sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param); if (sp->adaptation_ind) { @@ -342,7 +343,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, } /* Add SCTP-AUTH chunks to the parameter list */ - if (sctp_auth_enable) { + if (net->sctp.auth_enable) { sctp_addto_chunk(retval, sizeof(asoc->c.auth_random), asoc->c.auth_random); if (auth_hmacs) @@ -1964,10 +1965,10 @@ static int sctp_verify_ext_param(struct net *net, union sctp_params param) * only if ADD-IP is turned on and we are not backward-compatible * mode. */ - if (sctp_addip_noauth) + if (net->sctp.addip_noauth) return 1; - if (sctp_addip_enable && !have_auth && have_asconf) + if (net->sctp.addip_enable && !have_auth && have_asconf) return 0; return 1; @@ -1976,13 +1977,14 @@ static int sctp_verify_ext_param(struct net *net, union sctp_params param) static void sctp_process_ext_param(struct sctp_association *asoc, union sctp_params param) { + struct net *net = sock_net(asoc->base.sk); __u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t); int i; for (i = 0; i < num_ext; i++) { switch (param.ext->chunks[i]) { case SCTP_CID_FWD_TSN: - if (sctp_prsctp_enable && + if (net->sctp.prsctp_enable && !asoc->peer.prsctp_capable) asoc->peer.prsctp_capable = 1; break; @@ -1990,12 +1992,12 @@ static void sctp_process_ext_param(struct sctp_association *asoc, /* if the peer reports AUTH, assume that he * supports AUTH. */ - if (sctp_auth_enable) + if (net->sctp.auth_enable) asoc->peer.auth_capable = 1; break; case SCTP_CID_ASCONF: case SCTP_CID_ASCONF_ACK: - if (sctp_addip_enable) + if (net->sctp.addip_enable) asoc->peer.asconf_capable = 1; break; default: @@ -2116,7 +2118,7 @@ static sctp_ierror_t sctp_verify_param(struct net *net, break; case SCTP_PARAM_SET_PRIMARY: - if (sctp_addip_enable) + if (net->sctp.addip_enable) break; goto fallthrough; @@ -2127,12 +2129,12 @@ static sctp_ierror_t sctp_verify_param(struct net *net, break; case SCTP_PARAM_FWD_TSN_SUPPORT: - if (sctp_prsctp_enable) + if (net->sctp.prsctp_enable) break; goto fallthrough; case SCTP_PARAM_RANDOM: - if (!sctp_auth_enable) + if (!net->sctp.auth_enable) goto fallthrough; /* SCTP-AUTH: Secion 6.1 @@ -2149,7 +2151,7 @@ static sctp_ierror_t sctp_verify_param(struct net *net, break; case SCTP_PARAM_CHUNKS: - if (!sctp_auth_enable) + if (!net->sctp.auth_enable) goto fallthrough; /* SCTP-AUTH: Section 3.2 @@ -2165,7 +2167,7 @@ static sctp_ierror_t sctp_verify_param(struct net *net, break; case SCTP_PARAM_HMAC_ALGO: - if (!sctp_auth_enable) + if (!net->sctp.auth_enable) goto fallthrough; hmacs = (struct sctp_hmac_algo_param *)param.p; @@ -2271,6 +2273,7 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk, const union sctp_addr *peer_addr, sctp_init_chunk_t *peer_init, gfp_t gfp) { + struct net *net = sock_net(asoc->base.sk); union sctp_params param; struct sctp_transport *transport; struct list_head *pos, *temp; @@ -2327,7 +2330,7 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk, * also give us an option to silently ignore the packet, which * is what we'll do here. */ - if (!sctp_addip_noauth && + if (!net->sctp.addip_noauth && (asoc->peer.asconf_capable && !asoc->peer.auth_capable)) { asoc->peer.addip_disabled_mask |= (SCTP_PARAM_ADD_IP | SCTP_PARAM_DEL_IP | @@ -2502,7 +2505,7 @@ do_addr_param: break; case SCTP_PARAM_COOKIE_PRESERVATIVE: - if (!sctp_cookie_preserve_enable) + if (!net->sctp.cookie_preserve_enable) break; stale = ntohl(param.life->lifespan_increment); @@ -2582,7 +2585,7 @@ do_addr_param: break; case SCTP_PARAM_SET_PRIMARY: - if (!sctp_addip_enable) + if (!net->sctp.addip_enable) goto fall_through; addr_param = param.v + sizeof(sctp_addip_param_t); @@ -2609,7 +2612,7 @@ do_addr_param: break; case SCTP_PARAM_FWD_TSN_SUPPORT: - if (sctp_prsctp_enable) { + if (net->sctp.prsctp_enable) { asoc->peer.prsctp_capable = 1; break; } @@ -2617,7 +2620,7 @@ do_addr_param: goto fall_through; case SCTP_PARAM_RANDOM: - if (!sctp_auth_enable) + if (!net->sctp.auth_enable) goto fall_through; /* Save peer's random parameter */ @@ -2630,7 +2633,7 @@ do_addr_param: break; case SCTP_PARAM_HMAC_ALGO: - if (!sctp_auth_enable) + if (!net->sctp.auth_enable) goto fall_through; /* Save peer's HMAC list */ @@ -2646,7 +2649,7 @@ do_addr_param: break; case SCTP_PARAM_CHUNKS: - if (!sctp_auth_enable) + if (!net->sctp.auth_enable) goto fall_through; asoc->peer.peer_chunks = kmemdup(param.p,