mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-22 18:15:40 +01:00
5c15847086
This commit fixes issue #2782, spotted by tmarti2. Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
131 lines
3.2 KiB
Plaintext
131 lines
3.2 KiB
Plaintext
/* 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( data_t * str, data_t * 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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size_t i;
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unsigned char *p;
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memset( buf, GUARD_VAL, sizeof( buf ) );
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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->x, 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->x, 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, data_t * 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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size_t str_len;
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size_t 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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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->x, asn1->len ) == 0 );
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}
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:MBEDTLS_ASN1_PARSE_C */
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void mbedtls_asn1_write_len( int len, data_t * asn1, 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 *p;
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size_t i;
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size_t read_len;
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memset( buf, GUARD_VAL, sizeof( buf ) );
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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( p + asn1->len == buf + GUARD_LEN + buf_len );
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TEST_ASSERT( memcmp( p, asn1->x, 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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