138 lines
3.6 KiB
Text
138 lines
3.6 KiB
Text
/* BEGIN_HEADER */
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#include "mbedtls/asn1write.h"
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#define GUARD_LEN 4
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#define GUARD_VAL 0x2a
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_ASN1_WRITE_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void mbedtls_asn1_write_octet_string( char *hex_str, char *hex_asn1,
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int buf_len, int result )
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{
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int ret;
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unsigned char buf[150];
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unsigned char str[150] = { 0 };
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unsigned char asn1[150] = { 0 };
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size_t str_len, asn1_len, i;
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unsigned char *p;
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memset( buf, GUARD_VAL, sizeof( buf ) );
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str_len = unhexify( str, hex_str );
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asn1_len = unhexify( asn1, hex_asn1 );
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p = buf + GUARD_LEN + buf_len;
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ret = mbedtls_asn1_write_octet_string( &p, buf + GUARD_LEN, str, str_len );
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/* Check for buffer overwrite on both sides */
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for( i = 0; i < GUARD_LEN; i++ )
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{
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TEST_ASSERT( buf[i] == GUARD_VAL );
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TEST_ASSERT( buf[GUARD_LEN + buf_len + i] == GUARD_VAL );
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}
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if( result >= 0 )
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{
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TEST_ASSERT( (size_t) ret == asn1_len );
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TEST_ASSERT( p + asn1_len == buf + GUARD_LEN + buf_len );
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TEST_ASSERT( memcmp( p, asn1, asn1_len ) == 0 );
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}
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void mbedtls_asn1_write_ia5_string( char *str, char *hex_asn1,
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int buf_len, int result )
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{
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int ret;
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unsigned char buf[150];
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unsigned char asn1[150] = { 0 };
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size_t str_len, asn1_len, i;
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unsigned char *p;
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memset( buf, GUARD_VAL, sizeof( buf ) );
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str_len = strlen( str );
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asn1_len = unhexify( asn1, hex_asn1 );
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p = buf + GUARD_LEN + buf_len;
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ret = mbedtls_asn1_write_ia5_string( &p, buf + GUARD_LEN, str, str_len );
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/* Check for buffer overwrite on both sides */
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for( i = 0; i < GUARD_LEN; i++ )
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{
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TEST_ASSERT( buf[i] == GUARD_VAL );
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TEST_ASSERT( buf[GUARD_LEN + buf_len + i] == GUARD_VAL );
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}
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if( result >= 0 )
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{
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TEST_ASSERT( (size_t) ret == asn1_len );
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TEST_ASSERT( p + asn1_len == buf + GUARD_LEN + buf_len );
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TEST_ASSERT( memcmp( p, asn1, asn1_len ) == 0 );
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}
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void mbedtls_asn1_write_len( int len, char *check_str, int buf_len,
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int result )
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{
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int ret;
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unsigned char buf[150];
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unsigned char asn1[150];
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unsigned char *p;
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size_t asn1_len, i, read_len;
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memset( buf, GUARD_VAL, sizeof( buf ) );
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memset( asn1, 0, sizeof( asn1 ) );
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asn1_len = unhexify( asn1, check_str );
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p = buf + GUARD_LEN + buf_len;
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ret = mbedtls_asn1_write_len( &p, buf + GUARD_LEN, (size_t) len );
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TEST_ASSERT( ret == result );
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/* Check for buffer overwrite on both sides */
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for( i = 0; i < GUARD_LEN; i++ )
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{
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TEST_ASSERT( buf[i] == GUARD_VAL );
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TEST_ASSERT( buf[GUARD_LEN + buf_len + i] == GUARD_VAL );
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}
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if( result >= 0 )
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{
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TEST_ASSERT( (size_t) ret == asn1_len );
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TEST_ASSERT( p + asn1_len == buf + GUARD_LEN + buf_len );
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TEST_ASSERT( memcmp( p, asn1, asn1_len ) == 0 );
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/* Read back with mbedtls_asn1_get_len() to check */
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ret = mbedtls_asn1_get_len( &p, buf + GUARD_LEN + buf_len, &read_len );
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if( len == 0 )
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{
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TEST_ASSERT( ret == 0 );
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}
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else
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{
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/* Return will be MBEDTLS_ERR_ASN1_OUT_OF_DATA because the rest of
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* the buffer is missing
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*/
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TEST_ASSERT( ret == MBEDTLS_ERR_ASN1_OUT_OF_DATA );
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}
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TEST_ASSERT( read_len == (size_t) len );
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TEST_ASSERT( p == buf + GUARD_LEN + buf_len );
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}
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}
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/* END_CASE */
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