mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-23 04:45:49 +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 */
|
|
#include "mbedtls/asn1write.h"
|
|
|
|
#define GUARD_LEN 4
|
|
#define GUARD_VAL 0x2a
|
|
/* END_HEADER */
|
|
|
|
/* BEGIN_DEPENDENCIES
|
|
* depends_on:MBEDTLS_ASN1_WRITE_C
|
|
* END_DEPENDENCIES
|
|
*/
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_asn1_write_octet_string( data_t * str, data_t * asn1,
|
|
int buf_len, int result )
|
|
{
|
|
int ret;
|
|
unsigned char buf[150];
|
|
size_t i;
|
|
unsigned char *p;
|
|
|
|
memset( buf, GUARD_VAL, sizeof( buf ) );
|
|
|
|
|
|
p = buf + GUARD_LEN + buf_len;
|
|
|
|
ret = mbedtls_asn1_write_octet_string( &p, buf + GUARD_LEN, str->x, str->len );
|
|
|
|
/* Check for buffer overwrite on both sides */
|
|
for( i = 0; i < GUARD_LEN; i++ )
|
|
{
|
|
TEST_ASSERT( buf[i] == GUARD_VAL );
|
|
TEST_ASSERT( buf[GUARD_LEN + buf_len + i] == GUARD_VAL );
|
|
}
|
|
|
|
if( result >= 0 )
|
|
{
|
|
TEST_ASSERT( (size_t) ret == asn1->len );
|
|
TEST_ASSERT( p + asn1->len == buf + GUARD_LEN + buf_len );
|
|
|
|
TEST_ASSERT( memcmp( p, asn1->x, asn1->len ) == 0 );
|
|
}
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_asn1_write_ia5_string( char * str, data_t * asn1,
|
|
int buf_len, int result )
|
|
{
|
|
int ret;
|
|
unsigned char buf[150];
|
|
size_t str_len;
|
|
size_t i;
|
|
unsigned char *p;
|
|
|
|
memset( buf, GUARD_VAL, sizeof( buf ) );
|
|
|
|
str_len = strlen( str );
|
|
|
|
p = buf + GUARD_LEN + buf_len;
|
|
|
|
ret = mbedtls_asn1_write_ia5_string( &p, buf + GUARD_LEN, str, str_len );
|
|
|
|
/* Check for buffer overwrite on both sides */
|
|
for( i = 0; i < GUARD_LEN; i++ )
|
|
{
|
|
TEST_ASSERT( buf[i] == GUARD_VAL );
|
|
TEST_ASSERT( buf[GUARD_LEN + buf_len + i] == GUARD_VAL );
|
|
}
|
|
|
|
if( result >= 0 )
|
|
{
|
|
TEST_ASSERT( (size_t) ret == asn1->len );
|
|
TEST_ASSERT( p + asn1->len == buf + GUARD_LEN + buf_len );
|
|
|
|
TEST_ASSERT( memcmp( p, asn1->x, asn1->len ) == 0 );
|
|
}
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_ASN1_PARSE_C */
|
|
void mbedtls_asn1_write_len( int len, data_t * asn1, int buf_len,
|
|
int result )
|
|
{
|
|
int ret;
|
|
unsigned char buf[150];
|
|
unsigned char *p;
|
|
size_t i;
|
|
size_t read_len;
|
|
|
|
memset( buf, GUARD_VAL, sizeof( buf ) );
|
|
|
|
p = buf + GUARD_LEN + buf_len;
|
|
|
|
ret = mbedtls_asn1_write_len( &p, buf + GUARD_LEN, (size_t) len );
|
|
|
|
TEST_ASSERT( ret == result );
|
|
|
|
/* Check for buffer overwrite on both sides */
|
|
for( i = 0; i < GUARD_LEN; i++ )
|
|
{
|
|
TEST_ASSERT( buf[i] == GUARD_VAL );
|
|
TEST_ASSERT( buf[GUARD_LEN + buf_len + i] == GUARD_VAL );
|
|
}
|
|
|
|
if( result >= 0 )
|
|
{
|
|
TEST_ASSERT( p + asn1->len == buf + GUARD_LEN + buf_len );
|
|
|
|
TEST_ASSERT( memcmp( p, asn1->x, asn1->len ) == 0 );
|
|
|
|
/* Read back with mbedtls_asn1_get_len() to check */
|
|
ret = mbedtls_asn1_get_len( &p, buf + GUARD_LEN + buf_len, &read_len );
|
|
|
|
if( len == 0 )
|
|
{
|
|
TEST_ASSERT( ret == 0 );
|
|
}
|
|
else
|
|
{
|
|
/* Return will be MBEDTLS_ERR_ASN1_OUT_OF_DATA because the rest of
|
|
* the buffer is missing
|
|
*/
|
|
TEST_ASSERT( ret == MBEDTLS_ERR_ASN1_OUT_OF_DATA );
|
|
}
|
|
TEST_ASSERT( read_len == (size_t) len );
|
|
TEST_ASSERT( p == buf + GUARD_LEN + buf_len );
|
|
}
|
|
}
|
|
/* END_CASE */
|