mirror of
https://github.com/openssl/openssl.git
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c4d3c19b4c
Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5851)
105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/*
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* Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL licenses, (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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* https://www.openssl.org/source/license.html
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* or in the file LICENSE in the source distribution.
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*/
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/*
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* Given a list of files, run each of them through the fuzzer. Note that
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* failure will be indicated by some kind of crash. Switching on things like
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* asan improves the test.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <openssl/crypto.h>
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#include "fuzzer.h"
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#include "internal/o_dir.h"
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#if defined(_WIN32) && defined(_MAX_PATH)
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# define PATH_MAX _MAX_PATH
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#endif
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#ifndef PATH_MAX
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# define PATH_MAX 4096
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#endif
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# if !defined(S_ISREG)
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# define S_ISREG(m) ((m) & S_IFREG)
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# endif
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static void testfile(const char *pathname)
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{
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struct stat st;
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FILE *f;
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unsigned char *buf;
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size_t s;
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if (stat(pathname, &st) < 0 || !S_ISREG(st.st_mode))
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return;
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printf("# %s\n", pathname);
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fflush(stdout);
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f = fopen(pathname, "rb");
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if (f == NULL)
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return;
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buf = malloc(st.st_size);
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if (buf != NULL) {
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s = fread(buf, 1, st.st_size, f);
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OPENSSL_assert(s == (size_t)st.st_size);
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FuzzerTestOneInput(buf, s);
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free(buf);
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}
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fclose(f);
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}
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int main(int argc, char **argv) {
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int n;
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FuzzerInitialize(&argc, &argv);
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for (n = 1; n < argc; ++n) {
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size_t dirname_len = strlen(argv[n]);
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const char *filename = NULL;
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char *pathname = NULL;
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OPENSSL_DIR_CTX *ctx = NULL;
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int wasdir = 0;
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/*
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* We start with trying to read the given path as a directory.
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*/
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while ((filename = OPENSSL_DIR_read(&ctx, argv[n])) != NULL) {
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wasdir = 1;
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if (pathname == NULL) {
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pathname = malloc(PATH_MAX);
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if (pathname == NULL)
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break;
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strcpy(pathname, argv[n]);
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#ifdef __VMS
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if (strchr(":<]", pathname[dirname_len - 1]) == NULL)
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#endif
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pathname[dirname_len++] = '/';
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pathname[dirname_len] = '\0';
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}
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strcpy(pathname + dirname_len, filename);
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testfile(pathname);
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}
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OPENSSL_DIR_end(&ctx);
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/* If it wasn't a directory, treat it as a file instead */
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if (!wasdir)
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testfile(argv[n]);
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free(pathname);
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}
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FuzzerCleanup();
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return 0;
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}
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