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Add keymat_t constructor registration function

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Using the register_constructor function enables custom keymat_t
implementations per IKE version. If no constructor is registered the
default behavior is preserved.
This commit is contained in:
Adrian-Ken Rueegsegger
2012-08-20 13:02:47 +02:00
committed by Tobias Brunner
parent 0810286269
commit acf27437cd
2 changed files with 45 additions and 3 deletions
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src/libcharon/sa/keymat.c
+28 -3
View File
@@ -18,27 +18,33 @@
#include <sa/ikev1/keymat_v1.h>
#include <sa/ikev2/keymat_v2.h>
static keymat_constructor_t keymat_v1_ctor = NULL, keymat_v2_ctor = NULL;
/**
* See header
*/
keymat_t *keymat_create(ike_version_t version, bool initiator)
{
keymat_t *keymat = NULL;
switch (version)
{
case IKEV1:
#ifdef USE_IKEV1
return &keymat_v1_create(initiator)->keymat;
keymat = keymat_v1_ctor ? keymat_v1_ctor(initiator)
: &keymat_v1_create(initiator)->keymat;
#endif
break;
case IKEV2:
#ifdef USE_IKEV2
return &keymat_v2_create(initiator)->keymat;
keymat = keymat_v2_ctor ? keymat_v2_ctor(initiator)
: &keymat_v2_create(initiator)->keymat;
#endif
break;
default:
break;
}
return NULL;
return keymat;
}
/**
@@ -99,3 +105,22 @@ int keymat_get_keylen_integ(integrity_algorithm_t alg)
}
return 0;
}
/**
* See header.
*/
void keymat_register_constructor(ike_version_t version,
keymat_constructor_t create)
{
switch (version)
{
case IKEV1:
keymat_v1_ctor = create;
break;
case IKEV2:
keymat_v2_ctor = create;
break;
default:
break;
}
}