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9d74090959
Instead of invoking the fuzz test programs once for every corpora file, we invoke them once for each directory of corpora files. This dramatically reduces the number of program invikations, as well as the time 99-test_fuzz.t takes to complete. fuzz/test-corpus.c was enhanced to handle directories as well as regular files. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5776)
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
/*
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* Copyright 2016 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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