/* Copyright (C) 2015-2019, Wazuh Inc.

* Copyright (C) 2009 Trend Micro Inc.

* All rights reserved.

*

* This program is free software; you can redistribute it

* and/or modify it under the terms of the GNU General Public

* License (version 2) as published by the FSF - Free Software

* Foundation

*/

/* Functions to handle operation with files */

#ifndef FILE_OP_H

#define FILE_OP_H

#include <stdint.h>

#include <time.h>

#include <sys/stat.h>

#include <external/cJSON/cJSON.h>

#ifdef WIN32

#include <windows.h>

#endif

#define OS_PIDFILE "/var/run"

#define UCS2_LE 1

#define UCS2_BE 2

#ifdef WIN32

typedef uint64_t wino_t;

#else

typedef ino_t wino_t;

#endif

typedef struct File {

char *name;

FILE *fp;

} File;

/* Set the program name - must be done before *anything* else */

void OS_SetName(const char *name) __attribute__((nonnull));

cJSON* getunameJSON();

time_t File_DateofChange(const char *file) __attribute__((nonnull));

ino_t File_Inode(const char *file) __attribute__((nonnull));

off_t FileSize(const char * path);

int IsDir(const char *file) __attribute__((nonnull));

int check_path_type(const char *dir) __attribute__((nonnull));

int IsFile(const char *file) __attribute__((nonnull));

int IsSocket(const char * file) __attribute__((nonnull));

#ifndef WIN32

int IsLink(const char * file) __attribute__((nonnull));

#endif

int CreatePID(const char *name, int pid) __attribute__((nonnull));

char *GetRandomNoise();

int DeletePID(const char *name) __attribute__((nonnull));

void DeleteState();

int MergeFiles(const char *finalpath, char **files, const char *tag) __attribute__((nonnull(1, 2)));

int MergeAppendFile(const char *finalpath, const char *files, const char *tag, int path_offset) __attribute__((nonnull(1)));

int UnmergeFiles(const char *finalpath, const char *optdir, int mode) __attribute__((nonnull(1)));

int TestUnmergeFiles(const char *finalpath, int mode) __attribute__((nonnull(1)));

/* Daemonize a process */

void goDaemon(void);

/* Daemonize a process without closing stdin/stdout/stderr */

void goDaemonLight(void);

/* Not really a file operation, but returns the uname */

const char *getuname(void);

/* Return basename of path */

char *basename_ex(char *path) __attribute__((nonnull));

/* Rename file or directory */

int rename_ex(const char *source, const char *destination) __attribute__((nonnull));

/* Create temporary file */

int mkstemp_ex(char *tmp_path) __attribute__((nonnull));

int TempFile(File *file, const char *source, int copy);

int OS_MoveFile(const char *src, const char *dst);

int w_copy_file(const char *src, const char *dst,char mode,char * message,int silent);

/* Checks for Windows Vista */

#ifdef WIN32

int checkVista();

int isVista;

// Move to the directory where this executable lives in

void w_ch_exec_dir();

#endif

/* Delete directory recursively */

int rmdir_ex(const char *path);

// Delete directory content

int cldir_ex(const char *name);

// Delete directory content with exception list

int cldir_ex_ignore(const char * name, const char ** ignore);

// Make directory recursively

int mkdir_ex(const char * path);

int w_ref_parent_folder(const char * path);

wino_t get_fp_inode(FILE * fp);

long get_fp_size(FILE * fp);

// Read directory and return an array of contained files, sorted alphabetically.

char ** wreaddir(const char * name);

// Open file normally in Linux, allow read/write/delete in Windows

FILE * wfopen(const char * pathname, const char * mode);

/* Delete a line from a file */

int w_remove_line_from_file(char *file, int line);

// To compress an decompress a file in gzip

int w_compress_gzfile(const char *filesrc, const char *filedst);

int w_uncompress_gzfile(const char *gzfilesrc, const char *gzfiledst);

int is_ascii_utf8(const char * file, unsigned int max_lines, unsigned int max_chars_utf8);

int is_usc2(const char * file);

#ifdef WIN32

DWORD FileSizeWin(const char * file);

#endif

int checkBinaryFile(const char *f_name);

int64_t w_ftell (FILE *x);

/* Prevent children processes from inheriting a file pointer */

void w_file_cloexec(FILE * fp);

/* Prevent children processes from inheriting a file descriptor */

void w_descriptor_cloexec(int fd);

#endif /* FILE_OP_H */