/* BEGIN_HEADER */
#include <polarssl/x509_crt.h>
#include <polarssl/x509_crl.h>
#include <polarssl/pem.h>
#include <polarssl/oid.h>

int verify_none( void *data, x509_crt *crt, int certificate_depth, int *flags )
{
    ((void) data);
    ((void) crt);
    ((void) certificate_depth);
    *flags |= BADCERT_OTHER;

    return 0;
}

int verify_all( void *data, x509_crt *crt, int certificate_depth, int *flags )
{
    ((void) data);
    ((void) crt);
    ((void) certificate_depth);
    *flags = 0;

    return 0;
}

/* END_HEADER */

/* BEGIN_DEPENDENCIES
 * depends_on:POLARSSL_BIGNUM_C
 * END_DEPENDENCIES
 */

/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
void x509_cert_info( char *crt_file, char *result_str )
{
    x509_crt   crt;
    char buf[2000];
    int res;

    x509_crt_init( &crt );
    memset( buf, 0, 2000 );

    TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
    res = x509_crt_info( buf, 2000, "", &crt );

    x509_crt_free( &crt );

    TEST_ASSERT( res != -1 );
    TEST_ASSERT( res != -2 );

    TEST_ASSERT( strcmp( buf, result_str ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRL_PARSE_C */
void x509_crl_info( char *crl_file, char *result_str )
{
    x509_crl   crl;
    char buf[2000];
    int res;

    x509_crl_init( &crl );
    memset( buf, 0, 2000 );

    TEST_ASSERT( x509_crl_parse_file( &crl, crl_file ) == 0 );
    res = x509_crl_info( buf, 2000, "", &crl );

    x509_crl_free( &crl );

    TEST_ASSERT( res != -1 );
    TEST_ASSERT( res != -2 );

    TEST_ASSERT( strcmp( buf, result_str ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_CRL_PARSE_C */
void x509_verify( char *crt_file, char *ca_file, char *crl_file,
                  char *cn_name_str, int result, int flags_result,
                  char *verify_callback )
{
    x509_crt   crt;
    x509_crt   ca;
    x509_crl    crl;
    int         flags = 0;
    int         res;
    int (*f_vrfy)(void *, x509_crt *, int, int *) = NULL;
    char *      cn_name = NULL;

    x509_crt_init( &crt );
    x509_crt_init( &ca );
    x509_crl_init( &crl );

    if( strcmp( cn_name_str, "NULL" ) != 0 )
        cn_name = cn_name_str;

    if( strcmp( verify_callback, "NULL" ) == 0 )
        f_vrfy = NULL;
    else if( strcmp( verify_callback, "verify_none" ) == 0 )
        f_vrfy = verify_none;
    else if( strcmp( verify_callback, "verify_all" ) == 0 )
        f_vrfy = verify_all;
    else
        TEST_ASSERT( "No known verify callback selected" == 0 );

    TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
    TEST_ASSERT( x509_crt_parse_file( &ca, ca_file ) == 0 );
    TEST_ASSERT( x509_crl_parse_file( &crl, crl_file ) == 0 );

    res = x509_crt_verify( &crt, &ca, &crl, cn_name, &flags, f_vrfy, NULL );

    x509_crt_free( &crt );
    x509_crt_free( &ca );
    x509_crl_free( &crl );

    TEST_ASSERT( res == ( result ) );
    TEST_ASSERT( flags == ( flags_result ) );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_USE_C */
void x509_dn_gets( char *crt_file, char *entity, char *result_str )
{
    x509_crt   crt;
    char buf[2000];
    int res = 0;

    x509_crt_init( &crt );
    memset( buf, 0, 2000 );

    TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
    if( strcmp( entity, "subject" ) == 0 )
        res =  x509_dn_gets( buf, 2000, &crt.subject );
    else if( strcmp( entity, "issuer" ) == 0 )
        res =  x509_dn_gets( buf, 2000, &crt.issuer );
    else
        TEST_ASSERT( "Unknown entity" == 0 );

    x509_crt_free( &crt );

    TEST_ASSERT( res != -1 );
    TEST_ASSERT( res != -2 );

    TEST_ASSERT( strcmp( buf, result_str ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_USE_C */
void x509_time_expired( char *crt_file, char *entity, int result )
{
    x509_crt   crt;

    x509_crt_init( &crt );

    TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );

    if( strcmp( entity, "valid_from" ) == 0 )
        TEST_ASSERT( x509_time_expired( &crt.valid_from ) == result );
    else if( strcmp( entity, "valid_to" ) == 0 )
        TEST_ASSERT( x509_time_expired( &crt.valid_to ) == result );
    else
        TEST_ASSERT( "Unknown entity" == 0 );

    x509_crt_free( &crt );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_USE_C */
void x509_time_future( char *crt_file, char *entity, int result )
{
    x509_crt   crt;

    x509_crt_init( &crt );

    TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );

    if( strcmp( entity, "valid_from" ) == 0 )
        TEST_ASSERT( x509_time_future( &crt.valid_from ) == result );
    else if( strcmp( entity, "valid_to" ) == 0 )
        TEST_ASSERT( x509_time_future( &crt.valid_to ) == result );
    else
        TEST_ASSERT( "Unknown entity" == 0 );

    x509_crt_free( &crt );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C */
void x509parse_crt( char *crt_data, char *result_str, int result )
{
    x509_crt   crt;
    unsigned char buf[2000];
    unsigned char output[2000];
    int data_len, res;

    x509_crt_init( &crt );
    memset( buf, 0, 2000 );
    memset( output, 0, 2000 );

    data_len = unhexify( buf, crt_data );

    TEST_ASSERT( x509_crt_parse( &crt, buf, data_len ) == ( result ) );
    if( ( result ) == 0 )
    {
        res = x509_crt_info( (char *) output, 2000, "", &crt );

        TEST_ASSERT( res != -1 );
        TEST_ASSERT( res != -2 );

        TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 );
    }

    x509_crt_free( &crt );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_X509_CRL_PARSE_C */
void x509parse_crl( char *crl_data, char *result_str, int result )
{
    x509_crl   crl;
    unsigned char buf[2000];
    unsigned char output[2000];
    int data_len, res;

    x509_crl_init( &crl );
    memset( buf, 0, 2000 );
    memset( output, 0, 2000 );

    data_len = unhexify( buf, crl_data );

    TEST_ASSERT( x509_crl_parse( &crl, buf, data_len ) == ( result ) );
    if( ( result ) == 0 )
    {
        res = x509_crl_info( (char *) output, 2000, "", &crl );

        TEST_ASSERT( res != -1 );
        TEST_ASSERT( res != -2 );

        TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 );
    }

    x509_crl_free( &crl );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
void x509_crt_parse_path( char *crt_path, int ret, int nb_crt )
{
    x509_crt chain, *cur;
    int i;

    x509_crt_init( &chain );

    TEST_ASSERT( x509_crt_parse_path( &chain, crt_path ) == ret );

    /* Check how many certs we got */
    for( i = 0, cur = &chain; cur != NULL; cur = cur->next )
        if( cur->raw.p != NULL )
            i++;

    TEST_ASSERT( i == nb_crt );

    x509_crt_free( &chain );
}
/* END_CASE */

/* BEGIN_CASE */
void x509_oid_desc( char *oid_str, char *ref_desc )
{
    x509_buf oid;
    const char *desc;
    unsigned char buf[20];

    memset( buf, 0, sizeof buf );

    oid.tag = ASN1_OID;
    oid.len = unhexify( buf, oid_str );
    oid.p   = buf;

    desc = x509_oid_get_description( &oid );

    if( strcmp( ref_desc, "notfound" ) == 0 )
        TEST_ASSERT( desc == NULL );
    else
    {
        TEST_ASSERT( desc != NULL );
        TEST_ASSERT( strcmp( desc, ref_desc ) == 0 );
    }
}
/* END_CASE */

/* BEGIN_CASE */
void x509_oid_numstr( char *oid_str, char *numstr, int blen, int ret )
{
    x509_buf oid;
    unsigned char oid_buf[20];
    char num_buf[100];

    memset( oid_buf, 0x00, sizeof oid_buf );
    memset( num_buf, 0x2a, sizeof num_buf );

    oid.tag = ASN1_OID;
    oid.len = unhexify( oid_buf, oid_str );
    oid.p   = oid_buf;

    TEST_ASSERT( (size_t) blen <= sizeof num_buf );

    TEST_ASSERT( x509_oid_get_numeric_string( num_buf, blen, &oid ) == ret );

    if( ret >= 0 )
    {
        TEST_ASSERT( num_buf[ret] == 0 );
        TEST_ASSERT( strcmp( num_buf, numstr ) == 0 );
    }
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_CHECK_KEY_USAGE */
void x509_check_key_usage( char *crt_file, int usage, int ret )
{
    x509_crt crt;

    x509_crt_init( &crt );

    TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );

    TEST_ASSERT( x509_crt_check_key_usage( &crt, usage ) == ret );

    x509_crt_free( &crt );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_CHECK_EXTENDED_KEY_USAGE */
void x509_check_extended_key_usage( char *crt_file, char *usage_hex, int ret )
{
    x509_crt crt;
    char oid[50];
    size_t len;

    x509_crt_init( &crt );

    len = unhexify( (unsigned char *) oid, usage_hex );

    TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );

    TEST_ASSERT( x509_crt_check_extended_key_usage( &crt, oid, len ) == ret );

    x509_crt_free( &crt );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C:POLARSSL_SELF_TEST */
void x509_selftest()
{
    TEST_ASSERT( x509_self_test( 0 ) == 0 );
}
/* END_CASE */