150 lines
3.6 KiB
C
150 lines
3.6 KiB
C
/*
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* Copyright(c) 2017 Tim Ruehsen
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* This file is part of libpsl.
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*/
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#include "../config.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include "fuzzer.h"
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#ifdef TEST_RUN
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#include <dirent.h>
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#endif
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static void test_all_from(const char *dirname)
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{
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DIR *dirp;
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struct dirent *dp;
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if ((dirp = opendir(dirname))) {
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while ((dp = readdir(dirp))) {
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if (*dp->d_name == '.') continue;
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char fname[strlen(dirname) + strlen(dp->d_name) + 2];
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snprintf(fname, sizeof(fname), "%s/%s", dirname, dp->d_name);
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int fd;
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if ((fd = open(fname, O_RDONLY)) == -1) {
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fprintf(stderr, "Failed to open %s (%d)\n", fname, errno);
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continue;
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}
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struct stat st;
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if (fstat(fd, &st) != 0) {
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fprintf(stderr, "Failed to stat %d (%d)\n", fd, errno);
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close(fd);
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continue;
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}
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uint8_t *data = malloc(st.st_size);
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ssize_t n;
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if ((n = read(fd, data, st.st_size)) == st.st_size) {
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printf("testing %llu bytes from '%s'\n", (unsigned long long) st.st_size, fname);
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LLVMFuzzerTestOneInput(data, st.st_size);
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} else
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fprintf(stderr, "Failed to read %llu bytes from %s (%d), got %zd\n", (unsigned long long) st.st_size, fname, errno, n);
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free(data);
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close(fd);
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}
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closedir(dirp);
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}
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}
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int main(int argc, char **argv)
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{
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const char *target;
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char corporadir[sizeof(SRCDIR) + 1 + strlen(argv[0]) + 8];
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/* if VALGRIND testing is enabled, we have to call ourselves with valgrind checking */
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if (argc == 1) {
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const char *valgrind = getenv("TESTS_VALGRIND");
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if (valgrind && *valgrind) {
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size_t cmdsize = strlen(valgrind) + strlen(argv[0]) + 32;
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char *cmd = alloca(cmdsize);
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snprintf(cmd, cmdsize, "TESTS_VALGRIND="" %s %s", valgrind, argv[0]);
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return system(cmd) != 0;
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}
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}
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target = strrchr(argv[0], '/');
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target = target ? target + 1 : argv[0];
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snprintf(corporadir, sizeof(corporadir), SRCDIR "/%s.in", target);
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test_all_from(corporadir);
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snprintf(corporadir, sizeof(corporadir), SRCDIR "/%s.repro", target);
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test_all_from(corporadir);
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return 0;
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}
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#else
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#ifndef __AFL_LOOP
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static int __AFL_LOOP(int n)
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{
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static int first = 1;
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if (first) {
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first = 0;
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return 1;
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}
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return 0;
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}
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#endif
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int main(int argc, char **argv)
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{
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int ret;
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unsigned char buf[64 * 1024];
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while (__AFL_LOOP(10000)) { /* only works with afl-clang-fast */
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ret = fread(buf, 1, sizeof(buf), stdin);
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if (ret < 0)
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return 0;
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LLVMFuzzerTestOneInput(buf, ret);
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}
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return 0;
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}
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#endif /* TEST_RUN */
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