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/* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only */
/* Copyright (c) 2023 Brett Sheffield <bacs@librecast.net> */
#ifndef _TESTDATA_H
#define _TESTDATA_H 1
#include "test.h"
#include <fcntl.h>
#include <librecast/types.h>
#include <librecast/crypto.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <unistd.h>
enum {
TEST_TMP = 1,
TEST_RND = 2,
TEST_OWN = 4,
TEST_MOD = 8,
};
/* write sz random bytes to ptr */
int test_random_bytes(void *ptr, size_t sz);
/* create test file with of sz bytes at path filename
*
* flags:
* TEST_TMP - if set, a temp file is created using filename as the template.
* TEST_RND - fill the file with sz random bytes
*
* if sz > 0 but TEST_RND is not set, a sparse file is created.
*/
int test_data_file(char *filename, size_t sz, int flags);
/* verify filename is a regular file and is correct size
* return 0 if correct, -1 on error */
int test_data_size(char *filename, size_t sz);
/* hash file
* filename - file to hash
* hash - buffer to return hash in
* hashlen - length of hash buffer
* buf - either NULL or a pointer to a preallocated buffer for file I/O
* buflen - length of buf in bytes
* returns 0 on success, -1 on error, setting errno
*/
int test_hash_file(const char *filename, unsigned char *hash, size_t hashlen, char *buf, size_t buflen);
/* hash files and confirm data matches, return 0 on match, nonzero fail */
int test_file_match(const char *file1, const char *file2);
/* write len random bytes to file, starting at offset off
* returns 0 on success, -1 on error, setting errno */
int test_file_scratch(const char *filename, long offset, size_t len);
/* extend file sparsely to sz bytes */
int test_sparsify_fd(int fd, size_t sz);
/* randomize file metadata
* path must be an existing directory
* flags can be:
* - TEST_OWN - randomize uid and gid
* - TEST_MOD - randomize permissions */
int test_random_meta(const char *path, int flags);
/* create a directory tree of files and directories with directories nested
* depth levels deep, up to max_files files and max_dirs directories in each
* level. Fill files with up to max_filesz random bytes.
* path must be an existing directory
* flags can be:
* - TEST_OWN - randomize uid and gid
* - TEST_MOD - randomize permissions */
int test_createtesttree(const char *path, off_t max_filesz, int max_files, int max_dirs, int depth,
int flags);
/* create a pair of source and destination directories using the template
* of the form 0000-0000.{src,dst}.tmp.XXXXXX based on the test name.
* testprog should be passed as basename(argv[0])
* Both src and dst need to be free()ed after use. */
int test_createtestdirs(char *testprog, char **src, char **dst);
/* create a single test directory as above. srcdst must be "src" or "dst" */
int test_createtestdir(char *testprog, char **dir, const char *srcdst);
#endif /* _TESTDATA_H */
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