71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/* Copyright 2021 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "config.h"
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#include "syshead.h"
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#include "init.h"
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#include "mroute.h"
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#include "fuzz_randomizer.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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fuzz_random_init(data, size);
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struct buffer buf;
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struct gc_arena gc;
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gc = gc_new();
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char *tmp = get_random_string();
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buf = string_alloc_buf(tmp, &gc);
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free(tmp);
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struct mroute_addr src_addr;
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struct mroute_addr dst_addr;
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mroute_addr_init(&src_addr);
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mroute_addr_init(&dst_addr);
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unsigned int ret = mroute_extract_addr_ip(&src_addr, &dst_addr, &buf);
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if (ret & MROUTE_EXTRACT_SUCCEEDED) {
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mroute_addr_mask_host_bits(&src_addr);
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mroute_addr_print(&src_addr, &gc);
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mroute_learnable_address(&src_addr, &gc);
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}
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uint16_t vid;
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struct mroute_addr a1, a2;
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mroute_addr_init(&a1);
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mroute_addr_init(&a2);
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mroute_extract_addr_ether(&a1, &a2, vid, &buf);
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if (size > sizeof(struct openvpn_sockaddr)) {
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struct openvpn_sockaddr local_sock;
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memcpy(&local_sock, data, sizeof(struct openvpn_sockaddr));
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mroute_extract_openvpn_sockaddr(&a1, &local_sock, true);
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mroute_extract_openvpn_sockaddr(&a1, &local_sock, false);
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}
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struct mroute_helper *mhelper = NULL;
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mhelper = mroute_helper_init(fuzz_randomizer_get_int(0, 0xfffffff));
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if (mhelper != NULL) {
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mroute_helper_add_iroute46(mhelper, fuzz_randomizer_get_int(0, MR_HELPER_NET_LEN-1));
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mroute_helper_free(mhelper);
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}
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gc_free(&gc);
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fuzz_random_destroy();
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return 0;
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}
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