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Diffstat (limited to 'src/libcharon/encoding/payloads/sa_payload.c')
-rw-r--r--src/libcharon/encoding/payloads/sa_payload.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/src/libcharon/encoding/payloads/sa_payload.c b/src/libcharon/encoding/payloads/sa_payload.c
index 32251e28b..66e994b43 100644
--- a/src/libcharon/encoding/payloads/sa_payload.c
+++ b/src/libcharon/encoding/payloads/sa_payload.c
@@ -214,6 +214,16 @@ METHOD(payload_t, get_encoding_rules, int,
return countof(encodings_v2);
}
+METHOD(payload_t, get_header_length, int,
+ private_sa_payload_t *this)
+{
+ if (this->type == SECURITY_ASSOCIATION_V1)
+ {
+ return 12;
+ }
+ return 4;
+}
+
METHOD(payload_t, get_type, payload_type_t,
private_sa_payload_t *this)
{
@@ -239,21 +249,15 @@ static void compute_length(private_sa_payload_t *this)
{
enumerator_t *enumerator;
payload_t *current;
- size_t length = SA_PAYLOAD_HEADER_LENGTH;
- if (this->type == SECURITY_ASSOCIATION_V1)
- {
- length = SA_PAYLOAD_V1_HEADER_LENGTH;
- }
+ this->payload_length = get_header_length(this);
enumerator = this->proposals->create_enumerator(this->proposals);
while (enumerator->enumerate(enumerator, (void **)&current))
{
- length += current->get_length(current);
+ this->payload_length += current->get_length(current);
}
enumerator->destroy(enumerator);
-
- this->payload_length = length;
}
METHOD(payload_t, get_length, size_t,
@@ -367,6 +371,7 @@ sa_payload_t *sa_payload_create(payload_type_t type)
.payload_interface = {
.verify = _verify,
.get_encoding_rules = _get_encoding_rules,
+ .get_header_length = _get_header_length,
.get_length = _get_length,
.get_next_type = _get_next_type,
.set_next_type = _set_next_type,