diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/fuzz/fuzz_dtlsserver.c')
-rw-r--r-- | lib/mbedtls-2.27.0/programs/fuzz/fuzz_dtlsserver.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/lib/mbedtls-2.27.0/programs/fuzz/fuzz_dtlsserver.c b/lib/mbedtls-2.27.0/programs/fuzz/fuzz_dtlsserver.c deleted file mode 100644 index 4cde1fe..0000000 --- a/lib/mbedtls-2.27.0/programs/fuzz/fuzz_dtlsserver.c +++ /dev/null @@ -1,148 +0,0 @@ -#include <string.h> -#include <stdlib.h> -#include <stdint.h> -#include "common.h" -#include "mbedtls/ssl.h" -#if defined(MBEDTLS_SSL_PROTO_DTLS) -#include "mbedtls/entropy.h" -#include "mbedtls/ctr_drbg.h" -#include "mbedtls/certs.h" -#include "mbedtls/timing.h" -#include "mbedtls/ssl_cookie.h" - - -#if defined(MBEDTLS_SSL_SRV_C) && \ - defined(MBEDTLS_ENTROPY_C) && \ - defined(MBEDTLS_CTR_DRBG_C) && \ - defined(MBEDTLS_TIMING_C) -const char *pers = "fuzz_dtlsserver"; -const unsigned char client_ip[4] = {0x7F, 0, 0, 1}; -static int initialized = 0; -#if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C) -static mbedtls_x509_crt srvcert; -static mbedtls_pk_context pkey; -#endif -#endif -#endif // MBEDTLS_SSL_PROTO_DTLS - -int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { -#if defined(MBEDTLS_SSL_PROTO_DTLS) && \ - defined(MBEDTLS_SSL_SRV_C) && \ - defined(MBEDTLS_ENTROPY_C) && \ - defined(MBEDTLS_CTR_DRBG_C) && \ - defined(MBEDTLS_TIMING_C) - int ret; - size_t len; - mbedtls_ssl_context ssl; - mbedtls_ssl_config conf; - mbedtls_ctr_drbg_context ctr_drbg; - mbedtls_entropy_context entropy; - mbedtls_timing_delay_context timer; - mbedtls_ssl_cookie_ctx cookie_ctx; - unsigned char buf[4096]; - fuzzBufferOffset_t biomemfuzz; - - if (initialized == 0) { -#if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C) - mbedtls_x509_crt_init( &srvcert ); - mbedtls_pk_init( &pkey ); - if (mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt, - mbedtls_test_srv_crt_len ) != 0) - return 1; - if (mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem, - mbedtls_test_cas_pem_len ) != 0) - return 1; - if (mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key, - mbedtls_test_srv_key_len, NULL, 0 ) != 0) - return 1; -#endif - dummy_init(); - - initialized = 1; - } - mbedtls_ssl_init( &ssl ); - mbedtls_ssl_config_init( &conf ); - mbedtls_ctr_drbg_init( &ctr_drbg ); - mbedtls_entropy_init( &entropy ); - mbedtls_ssl_cookie_init( &cookie_ctx ); - - if( mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy, &entropy, - (const unsigned char *) pers, strlen( pers ) ) != 0 ) - goto exit; - - - if( mbedtls_ssl_config_defaults( &conf, - MBEDTLS_SSL_IS_SERVER, - MBEDTLS_SSL_TRANSPORT_DATAGRAM, - MBEDTLS_SSL_PRESET_DEFAULT ) != 0 ) - goto exit; - - - srand(1); - mbedtls_ssl_conf_rng( &conf, dummy_random, &ctr_drbg ); - -#if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C) - mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL ); - if( mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) != 0 ) - goto exit; -#endif - - if( mbedtls_ssl_cookie_setup( &cookie_ctx, dummy_random, &ctr_drbg ) != 0 ) - goto exit; - - mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check, &cookie_ctx ); - - if( mbedtls_ssl_setup( &ssl, &conf ) != 0 ) - goto exit; - - mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay, - mbedtls_timing_get_delay ); - - biomemfuzz.Data = Data; - biomemfuzz.Size = Size; - biomemfuzz.Offset = 0; - mbedtls_ssl_set_bio( &ssl, &biomemfuzz, dummy_send, fuzz_recv, fuzz_recv_timeout ); - if( mbedtls_ssl_set_client_transport_id( &ssl, client_ip, sizeof(client_ip) ) != 0 ) - goto exit; - - ret = mbedtls_ssl_handshake( &ssl ); - - if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) { - biomemfuzz.Offset = ssl.next_record_offset; - mbedtls_ssl_session_reset( &ssl ); - mbedtls_ssl_set_bio( &ssl, &biomemfuzz, dummy_send, fuzz_recv, fuzz_recv_timeout ); - if( mbedtls_ssl_set_client_transport_id( &ssl, client_ip, sizeof(client_ip) ) != 0 ) - goto exit; - - ret = mbedtls_ssl_handshake( &ssl ); - - if( ret == 0 ) - { - //keep reading data from server until the end - do - { - len = sizeof( buf ) - 1; - ret = mbedtls_ssl_read( &ssl, buf, len ); - if( ret == MBEDTLS_ERR_SSL_WANT_READ ) - continue; - else if( ret <= 0 ) - //EOF or error - break; - } - while( 1 ); - } - } - -exit: - mbedtls_ssl_cookie_free( &cookie_ctx ); - mbedtls_entropy_free( &entropy ); - mbedtls_ctr_drbg_free( &ctr_drbg ); - mbedtls_ssl_config_free( &conf ); - mbedtls_ssl_free( &ssl ); - -#else - (void) Data; - (void) Size; -#endif - return 0; -} |