68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* Copyright 2020 Google Inc.
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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 "sysdep.h"
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#include "bfd.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <unistd.h>
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static int bufferToFile(char * name, const uint8_t *Data, size_t Size) {
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int fd = mkstemp(name);
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if (fd < 0) {
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printf("failed mkstemp, errno=%d\n", errno);
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return -2;
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}
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if (write (fd, Data, Size) != Size) {
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printf("failed write, errno=%d\n", errno);
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close(fd);
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return -3;
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}
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close(fd);
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return 0;
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}
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static int initialized = 0;
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//TODO? part of fuzzing
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char *target = NULL;
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int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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char tmpfilename[32];
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if (initialized == 0) {
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if (bfd_init () != BFD_INIT_MAGIC) {
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abort();
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}
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initialized = 1;
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}
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strncpy(tmpfilename, "/tmp/fuzz.bfd-XXXXXX", 31);
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if (bufferToFile(tmpfilename, Data, Size) < 0) {
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return 0;
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}
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bfd *file = bfd_openr (tmpfilename, target);
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if (file == NULL)
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{
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remove(tmpfilename);
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return 0;
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}
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bfd_check_format (file, bfd_archive);
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//TODO loop over subfiles and more processing
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bfd_close (file);
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remove(tmpfilename);
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return 0;
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}
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