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Provide a public PKCS#11 mechanism enumerator

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This commit is contained in:
Martin Willi
2010-08-04 09:26:21 +02:00
parent efab731338
commit 5a27bf8ad8
3 changed files with 117 additions and 44 deletions
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src/libstrongswan/plugins/pkcs11/pkcs11_library.c
+84
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@@ -613,6 +613,89 @@ METHOD(pkcs11_library_t, create_object_enumerator, enumerator_t*,
return &enumerator->public;
}
/**
* Enumerator over mechanisms
*/
typedef struct {
/* implements enumerator_t */
enumerator_t public;
/* PKCS#11 library */
pkcs11_library_t *lib;
/* slot of token */
CK_SLOT_ID slot;
/* mechanism type list */
CK_MECHANISM_TYPE_PTR mechs;
/* number of mechanism types */
CK_ULONG count;
/* current mechanism */
CK_ULONG current;
} mechanism_enumerator_t;
METHOD(enumerator_t, enumerate_mech, bool,
mechanism_enumerator_t *this, CK_MECHANISM_TYPE* type,
CK_MECHANISM_INFO *info)
{
CK_RV rv;
if (this->current >= this->count)
{
return FALSE;
}
if (info)
{
rv = this->lib->f->C_GetMechanismInfo(this->slot,
this->mechs[this->current], info);
if (rv != CKR_OK)
{
DBG1(DBG_CFG, "C_GetMechanismInfo() failed: %N", ck_rv_names, rv);
return FALSE;
}
}
*type = this->mechs[this->current++];
return TRUE;
}
METHOD(enumerator_t, destroy_mech, void,
mechanism_enumerator_t *this)
{
free(this->mechs);
free(this);
}
METHOD(pkcs11_library_t, create_mechanism_enumerator, enumerator_t*,
private_pkcs11_library_t *this, CK_SLOT_ID slot)
{
mechanism_enumerator_t *enumerator;
CK_RV rv;
INIT(enumerator,
.public = {
.enumerate = (void*)_enumerate_mech,
.destroy = _destroy_mech,
},
.lib = &this->public,
.slot = slot,
);
rv = enumerator->lib->f->C_GetMechanismList(slot, NULL, &enumerator->count);
if (rv != CKR_OK)
{
DBG1(DBG_CFG, "C_GetMechanismList() failed: %N", ck_rv_names, rv);
free(enumerator);
return enumerator_create_empty();
}
enumerator->mechs = malloc(sizeof(CK_MECHANISM_TYPE) * enumerator->count);
enumerator->lib->f->C_GetMechanismList(slot, enumerator->mechs,
&enumerator->count);
if (rv != CKR_OK)
{
DBG1(DBG_CFG, "C_GetMechanismList() failed: %N", ck_rv_names, rv);
destroy_mech(enumerator);
return enumerator_create_empty();
}
return &enumerator->public;
}
METHOD(pkcs11_library_t, destroy, void,
private_pkcs11_library_t *this)
{
@@ -761,6 +844,7 @@ pkcs11_library_t *pkcs11_library_create(char *name, char *file)
.public = {
.get_name = _get_name,
.create_object_enumerator = _create_object_enumerator,
.create_mechanism_enumerator = _create_mechanism_enumerator,
.destroy = _destroy,
},
.name = name,