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sctp: add asconf_enable in struct sctp_endpoint

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This patch is to make addip/asconf flag per endpoint,
and its value is initialized by the per netns flag,
net->sctp.addip_enable.

It also replaces the checks of net->sctp.addip_enable
with ep->asconf_enable in some places.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2019-08-19 22:02:43 +08:00
committed by David S. Miller
parent af809709e9
commit 4e27428fb5
4 changed files with 19 additions and 20 deletions
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18
net/sctp/sm_make_chunk.c
View File

@@ -207,7 +207,6 @@ 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);
struct sctp_supported_ext_param ext_param;
struct sctp_adaptation_ind_param aiparam;
struct sctp_paramhdr *auth_chunks = NULL;
@@ -255,7 +254,7 @@ 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 (net->sctp.addip_enable) {
if (asoc->ep->asconf_enable) {
extensions[num_ext] = SCTP_CID_ASCONF;
extensions[num_ext+1] = SCTP_CID_ASCONF_ACK;
num_ext += 2;
@@ -1964,7 +1963,9 @@ static int sctp_process_hn_param(const struct sctp_association *asoc,
return 0;
}
static int sctp_verify_ext_param(struct net *net, union sctp_params param)
static int sctp_verify_ext_param(struct net *net,
const struct sctp_endpoint *ep,
union sctp_params param)
{
__u16 num_ext = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
int have_asconf = 0;
@@ -1991,7 +1992,7 @@ static int sctp_verify_ext_param(struct net *net, union sctp_params param)
if (net->sctp.addip_noauth)
return 1;
if (net->sctp.addip_enable && !have_auth && have_asconf)
if (ep->asconf_enable && !have_auth && have_asconf)
return 0;
return 1;
@@ -2001,7 +2002,6 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
union sctp_params param)
{
__u16 num_ext = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
struct net *net = sock_net(asoc->base.sk);
int i;
for (i = 0; i < num_ext; i++) {
@@ -2023,7 +2023,7 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
break;
case SCTP_CID_ASCONF:
case SCTP_CID_ASCONF_ACK:
if (net->sctp.addip_enable)
if (asoc->ep->asconf_enable)
asoc->peer.asconf_capable = 1;
break;
case SCTP_CID_I_DATA:
@@ -2145,12 +2145,12 @@ static enum sctp_ierror sctp_verify_param(struct net *net,
break;
case SCTP_PARAM_SUPPORTED_EXT:
if (!sctp_verify_ext_param(net, param))
if (!sctp_verify_ext_param(net, ep, param))
return SCTP_IERROR_ABORT;
break;
case SCTP_PARAM_SET_PRIMARY:
if (net->sctp.addip_enable)
if (ep->asconf_enable)
break;
goto fallthrough;
@@ -2605,7 +2605,7 @@ do_addr_param:
break;
case SCTP_PARAM_SET_PRIMARY:
if (!net->sctp.addip_enable)
if (!ep->asconf_enable)
goto fall_through;
addr_param = param.v + sizeof(struct sctp_addip_param);