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ikev1: Support parsing of AH+IPComp proposals

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This commit is contained in:
Martin Willi
2013-10-11 10:15:21 +02:00
parent 25f74be8f9
commit a1379e3210
1 changed files with 11 additions and 9 deletions
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src/libcharon/encoding/payloads/sa_payload.c
+11 -9
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@@ -341,10 +341,10 @@ METHOD(sa_payload_t, get_ipcomp_proposals, linked_list_t*,
{
int current_proposal = -1, unsupported_proposal = -1;
enumerator_t *enumerator;
proposal_substructure_t *substruct, *esp = NULL, *ipcomp = NULL;
proposal_substructure_t *substruct, *espah = NULL, *ipcomp = NULL;
linked_list_t *list;
/* we currently only support the combination ESP+IPComp, find the first */
/* we currently only support the combination ESP|AH+IPComp, find the first */
enumerator = this->proposals->create_enumerator(this->proposals);
while (enumerator->enumerate(enumerator, &substruct))
{
@@ -355,25 +355,27 @@ METHOD(sa_payload_t, get_ipcomp_proposals, linked_list_t*,
{
continue;
}
if (protocol_id != PROTO_ESP && protocol_id != PROTO_IPCOMP)
if (protocol_id != PROTO_ESP && protocol_id != PROTO_AH &&
protocol_id != PROTO_IPCOMP)
{ /* unsupported combination */
esp = ipcomp = NULL;
espah = ipcomp = NULL;
unsupported_proposal = current_proposal;
continue;
}
if (proposal_number != current_proposal)
{ /* start of a new proposal */
if (esp && ipcomp)
if (espah && ipcomp)
{ /* previous proposal is valid */
break;
}
esp = ipcomp = NULL;
espah = ipcomp = NULL;
current_proposal = proposal_number;
}
switch (protocol_id)
{
case PROTO_ESP:
esp = substruct;
case PROTO_AH:
espah = substruct;
break;
case PROTO_IPCOMP:
ipcomp = substruct;
@@ -383,9 +385,9 @@ METHOD(sa_payload_t, get_ipcomp_proposals, linked_list_t*,
enumerator->destroy(enumerator);
list = linked_list_create();
if (esp && ipcomp && ipcomp->get_cpi(ipcomp, cpi))
if (espah && ipcomp && ipcomp->get_cpi(ipcomp, cpi))
{
esp->get_proposals(esp, list);
espah->get_proposals(espah, list);
}
return list;
}