iBoot/lib/fs/hfs/fuzz.c

90 lines
1.8 KiB
C

#include <stdint.h>
#include <unittest.h>
#include <lib/blockdev.h>
#include <lib/fs.h>
#include <stdlib.h>
#include <string.h>
struct blockdev *create_mock_blockdev(const char *name, const char *filename, uint32_t block_size);
void walk(const char *dirpath)
{
int dirfd;
struct dirent ent;
int result;
dirfd = fs_opendir(dirpath);
if (dirfd < 0) {
printf("error opening dir '%s'\n", dirpath);
return;
}
while ((result = fs_readdir(dirfd, &ent)) >= 0) {
size_t subpath_size = strlen(dirpath) + 1 + strlen(ent.d_name) + 1;
char *subpath = malloc(subpath_size);
snprintf(subpath, subpath_size, "%s/%s", dirpath, ent.d_name);
if (ent.d_type == FILE_TYPE_FILE) {
int fd;
printf("%s\n", subpath);
fd = fs_open(subpath, 0);
if (fd >= 0) {
void *buffer;
struct stat st;
if (fs_stat(fd, &st) >= 0) {
unsigned size = st.st_size;
if (size > 1000000)
size = 1000000;
buffer = malloc(size);
if (fs_read(fd, buffer, size) < 0) {
printf("error reading file '%s'\n", subpath);
}
free(buffer);
} else {
printf("error statting file '%s'\n", subpath);
}
} else {
printf("error opening file '%s'\n", subpath);
}
} else if (ent.d_type == FILE_TYPE_DIR) {
printf("%s/\n", subpath);
walk(subpath);
}
free(subpath);
}
fs_closedir(dirfd);
}
int fuzz_main(const char *filename)
{
struct blockdev *bdev;
int result;
bdev = create_mock_blockdev("dev", filename, 4096);
register_blockdev(bdev);
result = fs_mount("dev", "hfs", "/boot");
if (result == 0) {
printf("Mount succeeded\n");
walk("/boot");
}
return 0;
}
// Mock
bool
env_blacklist(const char *name, bool write)
{
return false;
}
// Mock
bool
env_blacklist_nvram(const char *name)
{
return false;
}