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Macro-ized the final internal OID functions

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This commit is contained in:
Paul Bakker 2013-06-28 18:05:35 +02:00
parent 47fce02bd8
commit ce6ae233cb
1 changed files with 39 additions and 38 deletions
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77
library/oid.c
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@ -83,6 +83,43 @@ int FN_NAME( const asn1_buf *oid, ATTR1_TYPE * ATTR1, ATTR2_TYPE * ATTR2 ) \
return( 0 ); \
}
/*
* Macro to generate a function for retrieving the OID based on a single
* attribute from a oid_descriptor_t wrapper.
*/
#define FN_OID_GET_OID_BY_ATTR1(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1) \
int FN_NAME( ATTR1_TYPE ATTR1, const char **oid_str ) \
{ \
const TYPE_T *cur = LIST; \
while( cur->descriptor.asn1 != NULL ) { \
if( cur->ATTR1 == ATTR1 ) { \
*oid_str = cur->descriptor.asn1; \
return( 0 ); \
} \
cur++; \
} \
return( POLARSSL_ERR_OID_NOT_FOUND ); \
}
/*
* Macro to generate a function for retrieving the OID based on two
* attributes from a oid_descriptor_t wrapper.
*/
#define FN_OID_GET_OID_BY_ATTR2(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1, \
ATTR2_TYPE, ATTR2) \
int FN_NAME( ATTR1_TYPE ATTR1, ATTR2_TYPE ATTR2, const char **oid_str ) \
{ \
const TYPE_T *cur = LIST; \
while( cur->descriptor.asn1 != NULL ) { \
if( cur->ATTR1 == ATTR1 && cur->ATTR2 == ATTR2 ) { \
*oid_str = cur->descriptor.asn1; \
return( 0 ); \
} \
cur++; \
} \
return( POLARSSL_ERR_OID_NOT_FOUND ); \
}
/*
* Core generic function
*/
@ -271,26 +308,7 @@ static const oid_sig_alg_t oid_sig_alg[] =
FN_OID_TYPED_FROM_ASN1(oid_sig_alg_t, sig_alg, oid_sig_alg);
FN_OID_GET_DESCRIPTOR_ATTR1(oid_get_sig_alg_desc, oid_sig_alg_t, sig_alg, const char *, description);
FN_OID_GET_ATTR2(oid_get_sig_alg, oid_sig_alg_t, sig_alg, md_type_t, md_alg, pk_type_t, pk_alg);
int oid_get_oid_by_sig_alg( pk_type_t pk_alg, md_type_t md_alg,
const char **oid_str )
{
const oid_sig_alg_t *cur = oid_sig_alg;
while( cur->descriptor.asn1 != NULL )
{
if( cur->pk_alg == pk_alg &&
cur->md_alg == md_alg )
{
*oid_str = cur->descriptor.asn1;
return( 0 );
}
cur++;
}
return( POLARSSL_ERR_OID_NOT_FOUND );
}
FN_OID_GET_OID_BY_ATTR2(oid_get_oid_by_sig_alg, oid_sig_alg_t, oid_sig_alg, pk_type_t, pk_alg, md_type_t, md_alg);
#endif /* POLARSSL_MD_C */
/*
@ -400,24 +418,7 @@ static const oid_md_alg_t oid_md_alg[] =
FN_OID_TYPED_FROM_ASN1(oid_md_alg_t, md_alg, oid_md_alg);
FN_OID_GET_ATTR1(oid_get_md_alg, oid_md_alg_t, md_alg, md_type_t, md_alg);
int oid_get_oid_by_md( md_type_t md_alg, const char **oid_str )
{
const oid_md_alg_t *cur = oid_md_alg;
while( cur->descriptor.asn1 != NULL )
{
if( cur->md_alg == md_alg )
{
*oid_str = cur->descriptor.asn1;
return( 0 );
}
cur++;
}
return( POLARSSL_ERR_OID_NOT_FOUND );
}
FN_OID_GET_OID_BY_ATTR1(oid_get_oid_by_md, oid_md_alg_t, oid_md_alg, md_type_t, md_alg);
#endif /* POLARSSL_MD_C */
#if defined(POLARSSL_PKCS12_C)