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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c61
1 files changed, 33 insertions, 28 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 479a70ef6ff..fbe1636309a 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)
@@ -1940,7 +1941,7 @@ static int sctp_process_hn_param(const struct sctp_association *asoc,
return 0;
}
-static int sctp_verify_ext_param(union sctp_params param)
+static int sctp_verify_ext_param(struct net *net, union sctp_params param)
{
__u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
int have_auth = 0;
@@ -1964,10 +1965,10 @@ static int sctp_verify_ext_param(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(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:
@@ -2081,7 +2083,8 @@ static sctp_ierror_t sctp_process_unk_param(const struct sctp_association *asoc,
* SCTP_IERROR_ERROR - stop processing, trigger an ERROR
* SCTP_IERROR_NO_ERROR - continue with the chunk
*/
-static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
+static sctp_ierror_t sctp_verify_param(struct net *net,
+ const struct sctp_association *asoc,
union sctp_params param,
sctp_cid_t cid,
struct sctp_chunk *chunk,
@@ -2110,12 +2113,12 @@ static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
break;
case SCTP_PARAM_SUPPORTED_EXT:
- if (!sctp_verify_ext_param(param))
+ if (!sctp_verify_ext_param(net, param))
return SCTP_IERROR_ABORT;
break;
case SCTP_PARAM_SET_PRIMARY:
- if (sctp_addip_enable)
+ if (net->sctp.addip_enable)
break;
goto fallthrough;
@@ -2126,12 +2129,12 @@ static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
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
@@ -2148,7 +2151,7 @@ static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
break;
case SCTP_PARAM_CHUNKS:
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
goto fallthrough;
/* SCTP-AUTH: Section 3.2
@@ -2164,7 +2167,7 @@ static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
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;
@@ -2198,7 +2201,7 @@ fallthrough:
}
/* Verify the INIT packet before we process it. */
-int sctp_verify_init(const struct sctp_association *asoc,
+int sctp_verify_init(struct net *net, const struct sctp_association *asoc,
sctp_cid_t cid,
sctp_init_chunk_t *peer_init,
struct sctp_chunk *chunk,
@@ -2245,7 +2248,7 @@ int sctp_verify_init(const struct sctp_association *asoc,
/* Verify all the variable length parameters */
sctp_walk_params(param, peer_init, init_hdr.params) {
- result = sctp_verify_param(asoc, param, cid, chunk, errp);
+ result = sctp_verify_param(net, asoc, param, cid, chunk, errp);
switch (result) {
case SCTP_IERROR_ABORT:
case SCTP_IERROR_NOMEM:
@@ -2270,6 +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;
@@ -2326,7 +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 |
@@ -2466,6 +2470,7 @@ static int sctp_process_param(struct sctp_association *asoc,
const union sctp_addr *peer_addr,
gfp_t gfp)
{
+ struct net *net = sock_net(asoc->base.sk);
union sctp_addr addr;
int i;
__u16 sat;
@@ -2494,13 +2499,13 @@ do_addr_param:
af = sctp_get_af_specific(param_type2af(param.p->type));
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_in_scope(net, &addr, scope))
if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_UNCONFIRMED))
return 0;
break;
case SCTP_PARAM_COOKIE_PRESERVATIVE:
- if (!sctp_cookie_preserve_enable)
+ if (!net->sctp.cookie_preserve_enable)
break;
stale = ntohl(param.life->lifespan_increment);
@@ -2580,7 +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);
@@ -2607,7 +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;
}
@@ -2615,7 +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 */
@@ -2628,7 +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 */
@@ -2644,7 +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,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-21 23:09:03 +0000