gnutls_x509_crl_parser_fuzzer$(EXEEXT) \
gnutls_x509_crq_parser_fuzzer$(EXEEXT) \
gnutls_x509_parser_fuzzer$(EXEEXT) \
- gnutls_ext_raw_parse_fuzzer$(EXEEXT)
+ gnutls_ext_raw_parse_fuzzer$(EXEEXT) \
+ gnutls_handshake_client_fuzzer$(EXEEXT) \
+ gnutls_handshake_server_fuzzer$(EXEEXT)
check_PROGRAMS = $(FUZZERS)
gnutls_base64_encoder_fuzzer_SOURCES = gnutls_base64_encoder_fuzzer.c $(COMMON_SOURCES)
gnutls_client_fuzzer_SOURCES = gnutls_client_fuzzer.c $(COMMON_SOURCES) mem.h certs.h
gnutls_client_rawpk_fuzzer_SOURCES = gnutls_client_rawpk_fuzzer.c $(COMMON_SOURCES) mem.h certs.h
+gnutls_handshake_client_fuzzer_SOURCES = gnutls_handshake_client_fuzzer.c $(COMMON_SOURCES) handshake.h
gnutls_dn_parser_fuzzer_SOURCES = gnutls_dn_parser_fuzzer.c $(COMMON_SOURCES)
gnutls_idna_parser_fuzzer_SOURCES = gnutls_idna_parser_fuzzer.c $(COMMON_SOURCES)
gnutls_ocsp_req_parser_fuzzer_SOURCES = gnutls_ocsp_req_parser_fuzzer.c $(COMMON_SOURCES)
gnutls_reverse_idna_parser_fuzzer_SOURCES = gnutls_reverse_idna_parser_fuzzer.c $(COMMON_SOURCES)
gnutls_server_fuzzer_SOURCES = gnutls_server_fuzzer.c $(COMMON_SOURCES) mem.h certs.h
gnutls_server_rawpk_fuzzer_SOURCES = gnutls_server_rawpk_fuzzer.c $(COMMON_SOURCES) mem.h certs.h
+gnutls_handshake_server_fuzzer_SOURCES = gnutls_handshake_server_fuzzer.c $(COMMON_SOURCES) handshake.h certs.h
gnutls_srp_client_fuzzer_SOURCES = gnutls_srp_client_fuzzer.c $(COMMON_SOURCES) mem.h srp.h
gnutls_srp_server_fuzzer_SOURCES = gnutls_srp_server_fuzzer.c $(COMMON_SOURCES) mem.h srp.h
gnutls_set_trust_file_fuzzer_SOURCES = gnutls_set_trust_file_fuzzer.c $(COMMON_SOURCES)
--- /dev/null
+/*
+# Copyright 2016 Google Inc.
+# Copyright 2017 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+*/
+
+#include <assert.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include <gnutls/crypto.h>
+#include <gnutls/gnutls.h>
+#include "handshake.h"
+#include "fuzzer.h"
+
+int __attribute__ ((visibility ("protected")))
+gnutls_rnd(gnutls_rnd_level_t level, void *data, size_t len)
+{
+ memset(data, 0xff, len);
+
+ /* Flip the first byte to avoid infinite loop in the RSA
+ * blinding code of Nettle */
+ if (len > 0)
+ memset(data, 0x0, 1);
+ return 0;
+}
+
+int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
+{
+ int res;
+ gnutls_session_t session;
+ gnutls_certificate_credentials_t xcred;
+ struct mem_st memdata;
+
+ res = gnutls_init(&session, GNUTLS_CLIENT);
+ assert(res >= 0);
+
+ res = gnutls_certificate_allocate_credentials(&xcred);
+ assert(res >= 0);
+ res = gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, xcred);
+ assert(res >= 0);
+
+ /*res = gnutls_set_default_priority(session);*/
+ res = gnutls_priority_set_direct(session, "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3", NULL);
+ assert(res >= 0);
+
+ memdata.data = data;
+ memdata.size = size;
+
+ gnutls_transport_set_push_function(session, error_push);
+ gnutls_transport_set_pull_function(session, error_pull);
+ gnutls_handshake_set_read_function(session, handshake_discard);
+
+ do {
+ res = gnutls_handshake(session);
+ if (res == GNUTLS_E_AGAIN) {
+ if (handshake_pull(session, &memdata) < 0) {
+ res = GNUTLS_E_INTERNAL_ERROR;
+ break;
+ }
+ }
+ } while (res < 0 && gnutls_error_is_fatal(res) == 0);
+
+ gnutls_deinit(session);
+ gnutls_certificate_free_credentials(xcred);
+ return 0;
+}
--- /dev/null
+/*
+# Copyright 2017 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+*/
+
+#include <assert.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <gnutls/crypto.h>
+#include <gnutls/gnutls.h>
+
+#include "certs.h"
+#include "handshake.h"
+#include "fuzzer.h"
+
+int __attribute__ ((visibility ("protected")))
+gnutls_rnd(gnutls_rnd_level_t level, void *data, size_t len)
+{
+ memset(data, 0xff, len);
+
+ /* Flip the first byte to avoid infinite loop in the RSA
+ * blinding code of Nettle */
+ if (len > 0)
+ memset(data, 0x0, 1);
+ return 0;
+}
+
+int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
+{
+ int res;
+ gnutls_datum_t rsa_cert, rsa_key;
+ gnutls_datum_t ecdsa_cert, ecdsa_key;
+ gnutls_datum_t ed25519_cert, ed25519_key;
+ gnutls_datum_t ed448_cert, ed448_key;
+ gnutls_session_t session;
+ gnutls_certificate_credentials_t xcred;
+ struct mem_st memdata;
+
+ res = gnutls_init(&session, GNUTLS_SERVER);
+ assert(res >= 0);
+
+ res = gnutls_certificate_allocate_credentials(&xcred);
+ assert(res >= 0);
+
+ rsa_cert.data = (unsigned char *)kRSACertificateDER;
+ rsa_cert.size = sizeof(kRSACertificateDER);
+ rsa_key.data = (unsigned char *)kRSAPrivateKeyDER;
+ rsa_key.size = sizeof(kRSAPrivateKeyDER);
+
+ ecdsa_cert.data = (unsigned char *)kECDSACertificateDER;
+ ecdsa_cert.size = sizeof(kECDSACertificateDER);
+ ecdsa_key.data = (unsigned char *)kECDSAPrivateKeyDER;
+ ecdsa_key.size = sizeof(kECDSAPrivateKeyDER);
+
+ ed25519_cert.data = (unsigned char *)kEd25519CertificateDER;
+ ed25519_cert.size = sizeof(kEd25519CertificateDER);
+ ed25519_key.data = (unsigned char *)kEd25519PrivateKeyDER;
+ ed25519_key.size = sizeof(kEd25519PrivateKeyDER);
+
+ ed448_cert.data = (unsigned char *)kEd448CertificateDER;
+ ed448_cert.size = sizeof(kEd448CertificateDER);
+ ed448_key.data = (unsigned char *)kEd448PrivateKeyDER;
+ ed448_key.size = sizeof(kEd448PrivateKeyDER);
+
+ res =
+ gnutls_certificate_set_x509_key_mem(xcred, &rsa_cert, &rsa_key,
+ GNUTLS_X509_FMT_DER);
+ assert(res >= 0);
+
+ res =
+ gnutls_certificate_set_x509_key_mem(xcred, &ecdsa_cert, &ecdsa_key,
+ GNUTLS_X509_FMT_DER);
+ assert(res >= 0);
+
+ res =
+ gnutls_certificate_set_x509_key_mem(xcred, &ed25519_cert, &ed25519_key,
+ GNUTLS_X509_FMT_DER);
+ assert(res >= 0);
+
+ res =
+ gnutls_certificate_set_x509_key_mem(xcred, &ed448_cert, &ed448_key,
+ GNUTLS_X509_FMT_DER);
+ assert(res >= 0);
+
+ gnutls_certificate_set_known_dh_params(xcred, GNUTLS_SEC_PARAM_MEDIUM);
+
+ res = gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, xcred);
+ assert(res >= 0);
+
+ /*res = gnutls_set_default_priority(session);*/
+ res = gnutls_priority_set_direct(session, "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3", NULL);
+ assert(res >= 0);
+
+ memdata.data = data;
+ memdata.size = size;
+
+ gnutls_transport_set_push_function(session, error_push);
+ gnutls_transport_set_pull_function(session, error_pull);
+ gnutls_handshake_set_read_function(session, handshake_discard);
+
+ do {
+ res = gnutls_handshake(session);
+ if (res == GNUTLS_E_AGAIN) {
+ if (handshake_pull(session, &memdata) < 0) {
+ res = GNUTLS_E_INTERNAL_ERROR;
+ break;
+ }
+ }
+ } while (res < 0 && gnutls_error_is_fatal(res) == 0);
+
+ gnutls_deinit(session);
+ gnutls_certificate_free_credentials(xcred);
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (C) 2017 Nikos Mavrogiannopoulos
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef HANDSHAKE_H
+# define HANDSHAKE_H
+
+typedef struct mem_st {
+ const uint8_t *data;
+ size_t size;
+} mem_st;
+
+static ssize_t
+error_push(gnutls_transport_ptr_t tr, const void *data, size_t len)
+{
+ return -1;
+}
+
+static ssize_t
+error_pull(gnutls_transport_ptr_t tr, void *data, size_t len)
+{
+ return -1;
+}
+
+static int
+handshake_discard(gnutls_session_t session,
+ gnutls_record_encryption_level_t level,
+ gnutls_handshake_description_t htype,
+ const void *data, size_t data_size)
+{
+ return 0;
+}
+
+static int
+handshake_pull(gnutls_session_t session, mem_st *data)
+{
+ uint32_t level, size;
+ int ret;
+
+ if (data->size < 4) {
+ return -1;
+ }
+
+ level = (data->data[0] << 24) | (data->data[1] << 16) |
+ (data->data[2] << 8) | data->data[3];
+
+ data->size -= 4;
+ data->data += 4;
+
+ if (data->size < 4) {
+ return -1;
+ }
+
+ size = (data->data[0] << 24) | (data->data[1] << 16) |
+ (data->data[2] << 8) | data->data[3];
+
+ data->size -= 4;
+ data->data += 4;
+
+ if (size > data->size) {
+ return -1;
+ }
+
+ ret = gnutls_handshake_write(session,
+ (gnutls_record_encryption_level_t)level,
+ data->data,
+ size);
+ data->size -= size;
+ data->data += size;
+
+ return ret;
+}
+
+#endif
projects / thirdparty / gnutls.git / commitdiff
