Factoring code

tests/fuzz/fuzz_server.c

@@ -27,72 +27,6 @@ const char psk_id[] = "Client_identity";
 #endif
 
 
-typedef struct fuzzBufferOffset
-{
-    const uint8_t *Data;
-    size_t Size;
-    size_t Offset;
-} fuzzBufferOffset_t;
-
-
-static int dummy_send( void *ctx, const unsigned char *buf, size_t len )
-{
-    //silence warning about unused parameter
-    (void) ctx;
-    (void) buf;
-
-    //pretends we wrote everything ok
-    return( len );
-}
-
-static int fuzz_recv( void *ctx, unsigned char *buf, size_t len )
-{
-    //reads from the buffer from fuzzer
-    fuzzBufferOffset_t * biomemfuzz = (fuzzBufferOffset_t *) ctx;
-
-    if (biomemfuzz->Offset == biomemfuzz->Size) {
-        //EOF
-        return (0);
-    }
-    if (len + biomemfuzz->Offset > biomemfuzz->Size) {
-        //do not overflow
-        len = biomemfuzz->Size - biomemfuzz->Offset;
-    }
-    memcpy(buf, biomemfuzz->Data + biomemfuzz->Offset, len);
-    biomemfuzz->Offset += len;
-    return( len );
-}
-
-static int dummy_random( void *p_rng, unsigned char *output, size_t output_len )
-{
-    int ret;
-    size_t i;
-
-    //use mbedtls_ctr_drbg_random to find bugs in it
-    ret = mbedtls_ctr_drbg_random(p_rng, output, output_len);
-    for (i=0; i<output_len; i++) {
-        //replace result with pseudo random
-        output[i] = (unsigned char) rand();
-    }
-    return( ret );
-}
-
-static int dummy_entropy( void *data, unsigned char *output, size_t len )
-{
-    size_t i;
-    (void) data;
-
-    //use mbedtls_entropy_func to find bugs in it
-    //test performance impact of entropy
-    //ret = mbedtls_entropy_func(data, output, len);
-    for (i=0; i<len; i++) {
-        //replace result with pseudo random
-        output[i] = (unsigned char) rand();
-    }
-    return( 0 );
-}
-
-
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
     int ret;
     size_t len;