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ssl_async_set_key: detect if ctx->slots overflows

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This commit is contained in:
Gilles Peskine 2018-04-30 10:23:56 +02:00
parent 07981585d3
commit d6fbfde994
1 changed files with 20 additions and 5 deletions
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25
programs/ssl/ssl_server2.c
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@ -904,15 +904,18 @@ typedef struct
void *p_rng;
} ssl_async_key_context_t;
void ssl_async_set_key( ssl_async_key_context_t *ctx,
int ssl_async_set_key( ssl_async_key_context_t *ctx,
mbedtls_x509_crt *cert,
mbedtls_pk_context *pk,
unsigned delay )
{
if( ctx->slots_used >= sizeof( ctx->slots ) / sizeof( *ctx->slots ) )
return( -1 );
ctx->slots[ctx->slots_used].cert = cert;
ctx->slots[ctx->slots_used].pk = pk;
ctx->slots[ctx->slots_used].delay = delay;
++ctx->slots_used;
return( 0 );
}
#define SSL_ASYNC_INPUT_MAX_SIZE 512
@ -2297,8 +2300,14 @@ int main( int argc, char *argv[] )
#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
if( opt.async_private_delay1 >= 0 )
{
ssl_async_set_key( &ssl_async_keys, &srvcert, pk,
opt.async_private_delay1 );
ret = ssl_async_set_key( &ssl_async_keys, &srvcert, pk,
opt.async_private_delay1 );
if( ret < 0 )
{
mbedtls_printf( " Test error: ssl_async_set_key failed (%d)\n",
ret );
goto exit;
}
pk = NULL;
}
#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
@ -2314,8 +2323,14 @@ int main( int argc, char *argv[] )
#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
if( opt.async_private_delay2 >= 0 )
{
ssl_async_set_key( &ssl_async_keys, &srvcert2, pk,
opt.async_private_delay2 );
ret = ssl_async_set_key( &ssl_async_keys, &srvcert2, pk,
opt.async_private_delay2 );
if( ret < 0 )
{
mbedtls_printf( " Test error: ssl_async_set_key failed (%d)\n",
ret );
goto exit;
}
pk = NULL;
}
#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */