Tryag File Manager

//usr/include/libchroot.h

#ifndef LIBCHROOT_H
#define LIBCHROOT_H 1

#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>
#include <syslog.h>
#include <signal.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <string.h>
#include <pwd.h>

/* Configuration file - override with DEFINE */
#ifndef LIBCHROOT_CONFIG_FILE
#define LIBCHROOT_CONFIG_FILE "/etc/libchroot.conf"
#endif

/* Default configuration options */
#define DEFAULT_HELPER  "/usr/libexec/jailtool"
#define DEFAULT_ROOT    "/var/chroot"

/* Debug? */
#define DEBUG 0

/**
 * Determine whether a chroot instance currently 
 * exists.
 *
 * Returns 1 if the chroot exists, 0 if it does not,
 * and -1 on error conditions.
 */
int chroot_exists(uid_t who);

/** 
 * Build a new chroot environment for the user. This
 * will lock per-user.
 *
 * Returns 0 on success.
 */
int chroot_build(uid_t who);

/**
 * Tear down a chroot - this will remove all the 
 * mounts that exist for a chroot and delete the
 * slash and other directories
 */
int chroot_teardown(uid_t who);

/**
 * Step into the chroot - requires a setup directory 
 * first.
 */
int chroot_enter(uid_t who);

/**
 * Update timestamp on lock file.
 */
int chroot_touch(int who);

#endif /* !defined(LIBCHROOT_H) */