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Send ESP_TFC_PADDING_NOT_SUPPORTED if the used kernel doesn't support it

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This commit is contained in:
Martin Willi
2013-03-01 11:12:17 +01:00
parent 53e62f5d0c
commit 5c55be4915
1 changed files with 9 additions and 0 deletions
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src/libcharon/sa/ikev2/tasks/child_create.c
+9
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@@ -18,6 +18,7 @@
#include "child_create.h" #include "child_create.h"
#include <daemon.h> #include <daemon.h>
#include <hydra.h>
#include <sa/ikev2/keymat_v2.h> #include <sa/ikev2/keymat_v2.h>
#include <crypto/diffie_hellman.h> #include <crypto/diffie_hellman.h>
#include <credentials/certificates/x509.h> #include <credentials/certificates/x509.h>
@@ -615,6 +616,7 @@ static void build_payloads(private_child_create_t *this, message_t *message)
nonce_payload_t *nonce_payload; nonce_payload_t *nonce_payload;
ke_payload_t *ke_payload; ke_payload_t *ke_payload;
ts_payload_t *ts_payload; ts_payload_t *ts_payload;
kernel_feature_t features;
/* add SA payload */ /* add SA payload */
if (this->initiator) if (this->initiator)
@@ -661,6 +663,13 @@ static void build_payloads(private_child_create_t *this, message_t *message)
default: default:
break; break;
} }
features = hydra->kernel_interface->get_features(hydra->kernel_interface);
if (!(features & KERNEL_ESP_V3_TFC))
{
message->add_notify(message, FALSE, ESP_TFC_PADDING_NOT_SUPPORTED,
chunk_empty);
}
} }
/** /**