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#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include<fcntl.h>
int main(int argc, char **argv)
{
DIR *d;
struct dirent *dir;
pid_t p = 0;
int input_fd = 0;
int status = 0;
int rc = 0;
struct stat path_stat;
if (argc != 3) {
fprintf(stderr, "invalid number of arguments. Call like this ./fuzz_regression_test fuzz_harness corpus_dir\n");
return EXIT_FAILURE;
}
d = opendir(argv[2]);
if (!d) {
fprintf(stderr, "error opening dir %s\n", argv[2]);
return EXIT_FAILURE;
}
while ((dir = readdir(d)) != NULL) {
stat(dir->d_name, &path_stat);
if (!S_ISREG(path_stat.st_mode)) {
continue;
}
p = fork();
if (p == -1) {
fprintf(stderr, "fork failed\n");
return EXIT_FAILURE;
} else if (p == 0) {
input_fd = open(dir->d_name, O_RDONLY);
if (input_fd == -1) {
fprintf(stderr, "error opening input file %s\n", dir->d_name);
return EXIT_FAILURE;
}
dup2(input_fd, STDIN_FILENO);
execl(argv[1], argv[1], NULL);
return EXIT_SUCCESS;
}
rc = waitpid(p, &status, 0);
if (rc == -1) {
fprintf(stderr, "waitpid failed\n");
return EXIT_FAILURE;
}
if (!WIFEXITED(status)) {
fprintf(stderr, "test %s - %s failed\n", argv[1], dir->d_name);
return EXIT_FAILURE;
}
printf("test %s - %s successful\n", argv[1], dir->d_name);
}
closedir(d);
return EXIT_SUCCESS;
}
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