source: MondoRescue/branches/stable/mondo/src/mondoarchive/mondoarchive.c@ 1959

/***************************************************************************
* $Id: mondoarchive.c 1939 2008-05-16 23:29:54Z bruno $
*/


/**
 * @file
 * The main file for mondoarchive.
 */

/************************* #include statements *************************/
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <locale.h>

#include "mr_gettext.h"
#include "mondoarchive.h"
#include "mr_mem.h"
#include "mr_str.h"
#include "mr_msg.h"
#include "mr_file.h"
#include "mr_err.h"
#include "mr_conf.h"

#include "my-stuff.h"
#include "mondostructures.h"
#include "libmondo.h"
#include "mondo-cli-EXT.h"

// for CVS
//static char cvsid[] = "$Id: mondoarchive.c 1939 2008-05-16 23:29:54Z bruno $";

/************************* external variables *************************/
extern void set_signals(int);
extern int g_current_media_number;
extern void register_pid(pid_t, char *);
extern int g_currentY;
extern bool g_text_mode;
extern char *g_boot_mountpt;
extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
extern char *g_cdrw_drive_is_here;
extern double g_kernel_version;
extern char *g_magicdev_command;
extern t_bkptype g_backup_media_type;

extern char *get_uname_m(void);

static char *g_cdrom_drive_is_here = NULL;
static char *g_dvd_drive_is_here = NULL;

struct mr_ar_conf *mr_conf = NULL;

/***************** global vars ******************/
long diffs;

/****************** subroutines used only here ******************/

/**
 * Whether we're restoring from ISOs. Obviously not, since this is the
 * backup program.
 * @note You @b MUST declare this variable somewhere in your program if
 * you use libmondo. Otherwise the link will fail.
 * @ingroup globalGroup
 */
bool g_ISO_restore_mode = FALSE;

/* Do we use extended attributes and acl ?
 *  * By default no, use --acl & --attr options to force their usage */
char *g_getfacl = NULL;
char *g_getfattr = NULL;

/* Reference to global bkpinfo */
struct s_bkpinfo *bkpinfo;

/****************** subroutines used only by main.c ******************/

/**
 * Print a "don't panic" message to the log and a message about the logfile to the screen.
 */
static void welcome_to_mondoarchive(void)
{
    char *tmp = NULL;

    mr_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org", PACKAGE_VERSION);
    mr_msg(0, "running %s binaries", get_architecture());
    tmp = get_uname_m();
    mr_msg(0, "running on %s architecture", tmp);
    mr_free(tmp);
    mr_msg(0, "-----------------------------------------------------------");
    mr_msg(0, "NB: Mondo logs almost everything, so don't panic if you see");
    mr_msg(0, "some error messages.  Please read them carefully before you");
    mr_msg(0, "decide to break out in a cold sweat.    Despite (or perhaps");
    mr_msg(0, "because of) the wealth of messages. some users are inclined");
    mr_msg(0, "to stop reading this log. If Mondo stopped for some reason,");
    mr_msg(0, "chances are it's detailed here.  More than likely there's a");
    mr_msg(0, "message at the very end of this log that will tell you what");
    mr_msg(0, "is wrong. Please read it!                          -Devteam");
    mr_msg(0, "-----------------------------------------------------------");

    mr_msg(0, "Zero...");
    mr_msg(1, "One...");
    mr_msg(2, "Two...");
    mr_msg(3, "Three...");
    mr_msg(4, "Four...");
    mr_msg(5, "Five...");
    mr_msg(6, "Six...");
    mr_msg(7, "Seven...");
    mr_msg(8, "Eight...");
    printf(_("See %s for details of backup run.\n"), MONDO_LOGFILE);
}

/**
 * Do whatever is necessary to insure a successful backup on the Linux distribution
 * of the day.
 */
static void distro_specific_kludges_at_start_of_mondoarchive(void)
{
    mr_msg(2, "Unmounting old ramdisks if necessary");
    stop_magicdev_if_necessary();   // for RH+Gnome users
    run_program_and_log_output
        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
}


/**
 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
 */
static void distro_specific_kludges_at_end_of_mondoarchive(void)
{
    mr_msg(2, "Restarting magicdev if necessary");
    sync();
    restart_magicdev_if_necessary();    // for RH+Gnome users

    mr_msg(2, "Restarting supermounts if necessary");
    sync();
    remount_supermounts_if_necessary(); // for Mandrake users

    mr_msg(2, "Unmounting /boot if necessary");
    sync();
    unmount_boot_if_necessary();    // for Gentoo users
}

/* reset/empty the mr_ar_conf structure from mondo's conf file */
static void mr_ar_reset_conf(struct mr_ar_conf *mr_cnf) {

    /* This should correspond to the default conf file */
    /* Especially for boolean values */
    mr_cnf->iso_creation_cmd = NULL;
    mr_cnf->iso_creation_opt = NULL;
    mr_cnf->iso_burning_cmd = NULL;
    mr_cnf->iso_burning_opt = NULL;
    mr_cnf->iso_burning_dev = NULL;
    mr_cnf->iso_burning_speed = 0;
    mr_cnf->media_size = 0;
    mr_cnf->media_device = NULL;
    mr_cnf->iso_burning_dev = NULL;
    mr_cnf->manual_tray = FALSE;
    mr_cnf->log_level = 0;
    mr_cnf->prefix = NULL;
    mr_cnf->external_tape_blocksize = 0;
    mr_cnf->internal_tape_blocksize = 0;
    mr_cnf->kernel = NULL;
    mr_cnf->additional_modules = NULL;
    mr_cnf->boot_loader = NULL;
    mr_cnf->differential = FALSE;
    mr_cnf->compression_tool = NULL;
    mr_cnf->compression_level = 0;
    mr_cnf->exclude_paths = NULL;
    mr_cnf->include_paths = NULL;
    mr_cnf->ui_mode = NULL;
    mr_cnf->automatic_restore = FALSE;
    mr_cnf->scratch_dir = NULL;
    mr_cnf->tmp_dir = NULL;
    mr_cnf->images_dir = NULL;
}

/* fill the mr_ar_conf structure from mindi's conf file */
static void mr_ar_store_conf_mindi(struct mr_ar_conf *mr_cnf) {
    
    char *p = NULL;

    p = mr_conf_sread("mr_iso_creation_cmd");
    if (p != NULL) {
        mr_cnf->iso_creation_cmd = p;
    }
    p = mr_conf_sread("mr_iso_creation_opt");
    if (p != NULL) {
        mr_cnf->iso_creation_opt = p;
    }
}

/* create the mr_ar_conf structure from mondo's conf file */
static void mr_ar_store_conf(struct mr_ar_conf *mr_cnf) {
    
    char *p = NULL;

    p = mr_conf_sread("mondo_iso_burning_cmd");
    if (p != NULL) {
        mr_cnf->iso_burning_cmd = p;
    }

    p = mr_conf_sread("mondo_iso_burning_opt");
    if (p != NULL) {
        mr_cnf->iso_burning_opt = p;
    }

    p = mr_conf_sread("mondo_iso_burning_dev");
    if (p != NULL) {
        mr_cnf->iso_burning_dev = p;
    }

    p = mr_conf_iread("mondo_iso_burning_speed");
    if (p != NULL ) {
        mr_cnf->iso_burning_speed = atoi(p);
        mr_free(p);
    }

    p = mr_conf_iread("mondo_media_size");
    if (p != NULL ) {
        mr_cnf->media_size = atoi(p);
        mr_free(p);
    }

    p = mr_conf_sread("mondo_media_device");
    if (p != NULL) {
        mr_cnf->media_device = p;
    }
    /* If no specific device name for the burning command (a la ATAPI:0,0,0), 
     * then use the normal device name (a la /dev/hda) */
    if ((mr_cnf->iso_burning_dev == NULL) && (mr_cnf->media_device != NULL)) {
        mr_asprintf(&p, mr_cnf->media_device);
        mr_cnf->iso_burning_dev = p;
    }

    p = mr_conf_bread("mondo_manual_tray");
    if (p != NULL) {
        mr_cnf->manual_tray = mr_atob(p);
        mr_free(p);
    }

    p = mr_conf_iread("mondo_log_level");
    if (p != NULL) {
        mr_cnf->log_level = atoi(p);
        mr_free(p);
    }

    p = mr_conf_sread("mondo_prefix");
    if (p != NULL) {
        mr_cnf->prefix = p;
    }

    p = mr_conf_iread("mondo_external_tape_blocksize");
    if (p != NULL) {
        mr_cnf->external_tape_blocksize = atoi(p);
        mr_free(p);
    }

    p = mr_conf_iread("mondo_internal_tape_blocksize");
    if (p != NULL) {
        mr_cnf->internal_tape_blocksize = atoi(p);
        mr_free(p);
    }

    p = mr_conf_sread("mondo_kernel");
    if (p != NULL) {
        mr_cnf->kernel = p;
    }

    p = mr_conf_sread("mondo_additional_modules");
    if (p != NULL) {
        mr_cnf->additional_modules = p;
    }

    p = mr_conf_sread("mondo_boot_loader");
    if (p != NULL) {
        mr_cnf->boot_loader = p;
    }

    p = mr_conf_bread("mondo_differential");
    if (p != NULL) {
        mr_cnf->differential = mr_atob(p);
        mr_free(p);
    }

    p = mr_conf_sread("mondo_compression_tool");
    if (p != NULL) {
        mr_cnf->compression_tool = p;
    }

    p = mr_conf_sread("mondo_compression_suffix");
    if (p != NULL) {
        mr_cnf->compression_suffix = p;
    }

    p = mr_conf_iread("mondo_compression_level");
    if (p != NULL) {
        mr_cnf->compression_level = atoi(p);
        mr_free(p);
    }

    p = mr_conf_sread("mondo_exclude_paths");
    if (p != NULL) {
        mr_cnf->exclude_paths = p;
    }

    p = mr_conf_sread("mondo_include_paths");
    if (p != NULL) {
        mr_cnf->include_paths = p;
    }

    p = mr_conf_sread("mondo_ui_mode");
    if (p != NULL) {
        mr_cnf->ui_mode = p;
    }

    p = mr_conf_bread("mondo_automatic_restore");
    if (p != NULL) {
        mr_cnf->automatic_restore = mr_atob(p);
        mr_free(p);
    }

    p = mr_conf_sread("mondo_scratch_dir");
    if (p != NULL) {
        mr_cnf->scratch_dir = p;
    }

    p = mr_conf_sread("mondo_tmp_dir");
    if (p != NULL) {
        mr_cnf->tmp_dir = p;
    }

    p = mr_conf_sread("mondo_images_dir");
    if (p != NULL) {
        mr_cnf->images_dir = p;
    }
    mr_msg(5, "Directory for images is %s", mr_cnf->images_dir);
}

/* destroy the mr_ar_conf structure's content */
static void mr_ar_clean_conf(struct mr_ar_conf *mr_cnf) {
    
    if (mr_cnf == NULL) {
        return;
    }
    mr_free(mr_cnf->iso_creation_cmd);
    mr_free(mr_cnf->iso_creation_opt);
    mr_free(mr_cnf->iso_burning_cmd);
    mr_free(mr_cnf->iso_burning_dev);
    mr_free(mr_cnf->iso_burning_opt);
    mr_free(mr_cnf->media_device);
    mr_free(mr_cnf->prefix);
    mr_free(mr_cnf->kernel);
    mr_free(mr_cnf->additional_modules);
    mr_free(mr_cnf->boot_loader);
    mr_free(mr_cnf->compression_tool);
    mr_free(mr_cnf->exclude_paths);
    mr_free(mr_cnf->include_paths);
    mr_free(mr_cnf->ui_mode);
    mr_free(mr_cnf->scratch_dir);
    mr_free(mr_cnf->tmp_dir);
    mr_free(mr_cnf->images_dir);
    mr_free(mr_cnf);
}

/* Create the pointer to the function called in mr_exit */
void (*mr_cleanup)(void) = NULL;

/* Just for init */
void mr_ar_cleanup_empty(void) {
}

/* Cleanup all memory allocated in various structures */
void mr_ar_cleanup(void) {
    /* Highly incomplete function for the moment */
    /* We have to free all allocated memory */
    mr_ar_clean_conf(mr_conf);
    /* We have to remove all temporary files */
    /* We have to unmount what has been mounted */
    /* We have to properly end newt */
    /* We have to remind people of log files */

    mr_msg_close();
}

/*-----------------------------------------------------------*/



/**
 * Backup/verify the user's data.
 * What did you think it did, anyway? :-)
 */
int main(int argc, char *argv[])
{
    struct stat stbuf;
    char *tmp = NULL;
    int res = 0;
    int retval = 0;
    char *say_at_end = NULL;
    char *say_at_end2 = NULL;

#ifdef ENABLE_NLS
    setlocale(LC_ALL, "");
    (void) textdomain("mondo");
#endif
    printf(_("Initializing...\n"));

    bkpinfo = mr_malloc(sizeof(struct s_bkpinfo));
    reset_bkpinfo();

    /* Reference a dummy cleanup function for mr_exit temporarily */
    mr_cleanup = &mr_ar_cleanup_empty;

    /* initialize log file with time stamp */
    /* We start with a loglevel of 4 - Adapted later on */
    /* It's mandatory to set this up first as all mr_ functions rely on it */
    unlink(MONDO_LOGFILE);
    mr_msg_init(MONDO_LOGFILE,4);
    mr_msg(0, _("Time started: %s"), mr_date());

    /* Make sure I'm root; abort if not */
    if (getuid() != 0) {
        mr_log_exit(127, _("Please run as root."));
    }

    /* If -V, -v or --version then echo version no. and quit */
    if (argc == 2
        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
            || !strcmp(argv[argc - 1], "--version"))) {
        printf(_("mondoarchive v%s\nSee man page for help\n"), PACKAGE_VERSION);
        mr_exit(0, NULL);
    }

    /* Conf file management */
    mr_conf = mr_malloc(sizeof(struct mr_ar_conf));
    mr_ar_reset_conf(mr_conf);
    /* Check md5 sum before */
    /* Get content */
    if (mr_conf_open(MONDO_CONF_DIR"/mondo.conf.dist") != 0) {
            mr_log_exit(-1, "Unable to open "MONDO_CONF_DIR"/mondo.conf.dist");
    }
    mr_ar_store_conf(mr_conf);
    /* Reference the right cleanup function for mr_exit now it's allocated */
    mr_cleanup = &mr_ar_cleanup;
    mr_conf_close();

    if (mr_conf_open(MONDO_CONF_DIR"/mondo.conf") == 0) {
        mr_ar_store_conf(mr_conf);
        mr_conf_close();
    }

    /* Check md5 sum before */
    /* Get content of mindi conf file now to finish structure initialization */
/* Tempo Hack */
#define MINDI_CONF_DIR MONDO_CONF_DIR"/../mindi"
    if (mr_conf_open(MINDI_CONF_DIR"/mindi.conf.dist") != 0) {
            mr_log_exit(-1, "Unable to open "MINDI_CONF_DIR"/mindi.conf.dist");
    }
    mr_ar_store_conf_mindi(mr_conf);
    mr_conf_close();

    if (mr_conf_open(MINDI_CONF_DIR"/mindi.conf") == 0) {
        mr_ar_store_conf_mindi(mr_conf);
        mr_conf_close();
    }
    mr_msg(5, "Command for ISO images is %s", mr_conf->iso_creation_cmd);

    /* Add MONDO_SHARE + other environment variables for mindi */
    setenv_mondo_var();

    /* Initialize variables */
    malloc_libmondo_global_strings();
    diffs = 0;
    if (stat(MONDO_CACHE, &stbuf) != 0) {
        mr_mkdir(MONDO_CACHE,0x755);
    }

    /* BERLIOS: Hardcoded to be improved */
    unlink(MONDO_CACHE"/mindi.conf");
    unlink(MONDORESTORECFG);

    /* Configure the bkpinfo structure, global file paths, etc. */
    g_main_pid = getpid();
    mr_msg(9, "This");

    register_pid(g_main_pid, "mondo");
    set_signals(TRUE);          // catch SIGTERM, etc.
    run_program_and_log_output("dmesg -n1", TRUE);

    mr_msg(9, "Next");
    make_hole_for_dir(MONDO_CACHE);

    welcome_to_mondoarchive();
    distro_specific_kludges_at_start_of_mondoarchive();
    g_kernel_version = get_kernel_version();

    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
        mr_conf->log_level = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        if (!strstr(argv[2], "filelist")) {
            mr_msg(1,_("Sorry - filelist goes first\n"));
            finish(1);
        } else {
            finish(get_fattr_list(argv[2], argv[3]));
        }
        finish(0);
    }
    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
        mr_conf->log_level = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        finish(set_fattr_list(argv[2], argv[3]));
    }

    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
        mr_conf->log_level = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        tmp = mr_stresc(argv[2], WILDCHARS, BACKSLASH);
        printf("in=%s; out=%s\n", argv[2], tmp);
        mr_free(tmp);
        finish(1);
    }

    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
        mr_conf->log_level = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        if (!strstr(argv[2], "filelist")) {
            mr_msg(1,_("Sorry - filelist goes first\n"));
            finish(1);
        } else {
            finish(get_acl_list(argv[2], argv[3]));
        }
        finish(0);
    }
    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
        mr_conf->log_level = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        finish(set_acl_list(argv[2], argv[3]));
    }

    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
        mr_conf->log_level = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        malloc_string(tmp);
        if (find_cdrw_device(tmp)) {
            mr_msg(1,_("Failed to find CDR-RW drive\n"));
        } else {
            mr_msg(1,_("CD-RW is at %s\n"), tmp);
        }
        tmp[0] = '\0';
        if (find_cdrom_device(tmp, atoi(argv[2]))) {
            mr_msg(1,_("Failed to find CD-ROM drive\n"));
        } else {
            mr_msg(1,_("CD-ROM is at %s\n"), tmp);
        }
        mr_free(tmp);
        finish(0);
    }

    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
        mr_conf->log_level = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        malloc_string(tmp);
        if (find_dvd_device(tmp, atoi(argv[2]))) {
            mr_msg(1,_("Failed to find DVD drive\n"));
        } else {
            mr_msg(1,_("DVD is at %s\n"), tmp);
        }
        mr_free(tmp);
        finish(0);
    }

    if (argc > 2 && !strcmp(argv[1], "disksize")) {
        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
        finish(0);
    }
    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
        if (is_dev_an_NTFS_dev(argv[2])) {
            mr_msg(1,_("%s is indeed an NTFS dev\n"), argv[2]);
        } else {
            mr_msg(1,_("%s is _not_ an NTFS dev\n"), argv[2]);
        }
        finish(0);
    }

    if (pre_param_configuration()) {
        fatal_error
            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
    }
    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
            bkpinfo->scratchdir);

    /* Process command line, if there is one. If not, ask user for info. */
    if (argc == 1) {
        g_text_mode = FALSE;
        setup_newt_stuff();
        res = interactively_obtain_media_parameters_from_user(TRUE);    /* yes, archiving */
        if (res) {
            fatal_error
                ("Syntax error. Please review the parameters you have supplied and try again.");
        }
    } else {
        res = handle_incoming_parameters(argc, argv);
        if (res) {
            mr_msg(1,
                _("Errors were detected in the command line you supplied.\n"));
            mr_msg(1,_("Please review the log file - %s \n"),MONDO_LOGFILE);
            mr_msg(1, "Mondoarchive will now exit.");
            finish(1);
        }
        setup_newt_stuff();
    }

/* Finish configuring global structures */
    if (post_param_configuration()) {
        fatal_error
            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
    }

    log_to_screen
        (_("BusyBox's sources are available from http://www.busybox.net"));


    /* If we're meant to backup then backup */
    if (bkpinfo->backup_data) {
        res = backup_data();
        retval += res;
        if (res) {
            mr_strcat(say_at_end,
                   _("Data archived. Please check the logs, just as a precaution. "));
        } else {
            mr_strcat(say_at_end, _("Data archived OK. "));
        }
    }

    /* If we're meant to verify then verify */
    if (bkpinfo->verify_data) {
        res = verify_data();
        if (res < 0) {
            mr_asprintf(&say_at_end2, _("%d difference%c found."), -res,
                    (-res != 1) ? 's' : ' ');
            res = 0;
        }
        retval += res;
    }

    /* Report result of entire operation (success? errors?) */
    if (!retval) {
        mvaddstr_and_log_it(g_currentY++, 0,
                            _("Backup and/or verify ran to completion. Everything appears to be fine."));
    } else {
        mvaddstr_and_log_it(g_currentY++, 0,
                            _("Backup and/or verify ran to completion. However, errors did occur."));
    }

    if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
        log_to_screen
            (_(MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it."));
    }

    if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
        if (g_text_mode) {
            log_to_screen
                (_("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives"));
        } else {
            mr_msg(1,
                    _("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives"));
            mr_msg(2, "Calling popup_changelist_from_file()");
            popup_changelist_from_file(MONDO_CACHE"/changed.files");
            mr_msg(2, "Returned from popup_changelist_from_file()");
        }
    } else {
        unlink(MONDO_CACHE"/changed.files");
    }
    log_to_screen(say_at_end);
    mr_free(say_at_end);
    if (say_at_end2 != NULL) {
        log_to_screen(say_at_end2);
        mr_free(say_at_end2);
    }

    mr_asprintf(&tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
    run_program_and_log_output(tmp, TRUE);
    mr_free(tmp);
    if (bkpinfo->backup_media_type == usb) {
        log_msg(1, "Unmounting USB device.");
        mr_asprintf(&tmp, "umount %s1", bkpinfo->media_device);
        run_program_and_log_output(tmp, TRUE);
        mr_free(tmp);
    }

    run_program_and_log_output("mount", 2);

    system("rm -f "MONDO_CACHE"/last-backup.aborted");
    if (!retval) {
        printf(_("Mondoarchive ran OK.\n"));
    } else {
        printf(_("Errors occurred during backup. Please check logfile.\n"));
    }
    distro_specific_kludges_at_end_of_mondoarchive();
    register_pid(0, "mondo");
    set_signals(FALSE);

    free_libmondo_global_strings();
    mr_free(bkpinfo);

    if (!g_cdrom_drive_is_here) {
        mr_msg(10, "FYI, g_cdrom_drive_is_here was never used");
    }
    if (!g_dvd_drive_is_here) {
        mr_msg(10, "FYI, g_dvd_drive_is_here was never used");
    }

    /* finalize log file with time stamp */
    mr_msg(1, "Time finished: %s", mr_date());
    mr_msg_close();

    chdir("/tmp");

    if (!g_text_mode) {
        popup_and_OK
            (_("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt."));
        log_to_screen(_("See %s for details of backup run."), MONDO_LOGFILE);
    } else {
        printf(_("See %s for details of backup run.\n"), MONDO_LOGFILE);
        mr_exit(retval, NULL);
    }
    finish(retval);

    return EXIT_SUCCESS;
}
=======
/***************************************************************************
                          main.c  -  description
                             -------------------
    begin                : Fri Apr 19 16:40:35 EDT 2002
    copyright            : (C) 2002 by Stan Benoit
    email                : troff@nakedsoul.org
    cvsid                : $Id: mondoarchive.c 1939 2008-05-16 23:29:54Z bruno $
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

/**
 * @file
 * The main file for mondoarchive.
 */

/************************* #include statements *************************/
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include "my-stuff.h"
#include "../common/mondostructures.h"
#include "../common/libmondo.h"
#include "../common/libmondo-cli-EXT.h"
#include "../common/libmondo-tools-EXT.h"
#include "mondoarchive.h"

// for CVS
//static char cvsid[] = "$Id: mondoarchive.c 1939 2008-05-16 23:29:54Z bruno $";

/************************* external variables *************************/
extern void set_signals(int);
extern int g_current_media_number;
extern void register_pid(pid_t, char *);
extern int g_currentY;
extern bool g_text_mode;
extern char *g_boot_mountpt;
extern bool g_remount_floppy_at_end;
extern char *g_cdrw_drive_is_here;
static char *g_cdrom_drive_is_here = NULL;
static char *g_dvd_drive_is_here = NULL;
extern double g_kernel_version;

/***************** global vars, used only by main.c ******************/
long diffs;

extern t_bkptype g_backup_media_type;
extern int g_loglevel;

/**
 * Whether we're restoring from ISOs. Obviously not, since this is the
 * backup program.
 * @note You @b MUST declare this variable somewhere in your program if
 * you use libmondo. Otherwise the link will fail.
 * @ingroup globalGroup
 */
bool g_ISO_restore_mode = FALSE;

/* Do we use extended attributes and acl ?
 *  * By default no, use --acl & --attr options to force their usage */
char *g_getfacl = NULL;
char *g_getfattr = NULL;

/* Reference to global bkpinfo */
struct s_bkpinfo *bkpinfo;

/****************** subroutines used only by main.c ******************/


/**
 * Print a "don't panic" message to the log and a message about the logfile to the screen.
 */
void welcome_to_mondoarchive(void)
{
    char *tmp = NULL;

    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
            PACKAGE_VERSION);
    log_msg(0, "running %s binaries", get_architecture());
    tmp = get_uname_m();
    log_msg(0, "running on %s architecture", tmp);
    free(tmp);
    log_msg(0,
            "-----------------------------------------------------------");
    log_msg(0,
            "NB: Mondo logs almost everything, so don't panic if you see");
    log_msg(0,
            "some error messages.  Please read them carefully before you");
    log_msg(0,
            "decide to break out in a cold sweat.    Despite (or perhaps");
    log_msg(0,
            "because of) the wealth of messages. some users are inclined");
    log_msg(0,
            "to stop reading this log. If Mondo stopped for some reason,");
    log_msg(0,
            "chances are it's detailed here.  More than likely there's a");
    log_msg(0,
            "message at the very end of this log that will tell you what");
    log_msg(0,
            "is wrong. Please read it!                          -Devteam");
    log_msg(0,
            "-----------------------------------------------------------");

    log_msg(0, "Zero...");
    log_msg(1, "One...");
    log_msg(2, "Two...");
    log_msg(3, "Three...");
    log_msg(4, "Four...");
    log_msg(5, "Five...");
    log_msg(6, "Six...");
    log_msg(7, "Seven...");
    log_msg(8, "Eight...");
    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
}


extern char *g_magicdev_command;

/**
 * Do whatever is necessary to insure a successful backup on the Linux distribution
 * of the day.
 */
void distro_specific_kludges_at_start_of_mondoarchive(void)
{
    log_msg(2, "Unmounting old ramdisks if necessary");
    stop_magicdev_if_necessary();   // for RH+Gnome users
    run_program_and_log_output
        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
    //  stop_autofs_if_necessary(); // for Xandros users
    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
}



/**
 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
 */
void distro_specific_kludges_at_end_of_mondoarchive(void)
{
//  char tmp[500];
    log_msg(2, "Restarting magicdev if necessary");
    sync();
    restart_magicdev_if_necessary();    // for RH+Gnome users

    log_msg(2, "Restarting autofs if necessary");
    sync();
    //  restart_autofs_if_necessary(); // for Xandros users

    log_msg(2, "Restarting supermounts if necessary");
    sync();
    remount_supermounts_if_necessary(); // for Mandrake users

    log_msg(2, "Unmounting /boot if necessary");
    sync();
    unmount_boot_if_necessary();    // for Gentoo users

//  log_msg( 2, "Cleaning up KDE desktop");
//  clean_up_KDE_desktop_if_necessary();
}


/**
 * Backup/verify the user's data.
 * What did you think it did, anyway? :-)
 */
int main(int argc, char *argv[])
{
    char *tmp;
    int res, retval;
    char *say_at_end;

/* Make sure I'm root; abort if not */
    if (getuid() != 0) {
        fprintf(stderr, "Please run as root.\r\n");
        exit(127);
    }

/* If -V, -v or --version then echo version no. and quit */
    if (argc == 2
        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
            || !strcmp(argv[argc - 1], "--version"))) {
        printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
        exit(0);
    }

/* Initialize variables */

    printf("Initializing...\n");
    if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
        fatal_error("Cannot malloc bkpinfo");
    }
    reset_bkpinfo();

    res = 0;
    retval = 0;
    diffs = 0;
    malloc_string(tmp);
    malloc_string(say_at_end);
    say_at_end[0] = '\0';
    malloc_libmondo_global_strings();

    /* initialize log file with time stamp */
    unlink(MONDO_LOGFILE);
    log_msg(0, "Time started: %s", mr_date());

    /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
    strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
    tmp[MAX_STR_LEN - 1] = '\0';
    if (strlen(tmp) >= MAX_STR_LEN - 33) {
        fatal_error
            ("Your PATH environmental variable is too long. Please shorten it.");
    }
    strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
    setenv("PATH", tmp, 1);

    /* Add the ARCH environment variable for ia64 purposes */
    strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
    tmp[MAX_STR_LEN - 1] = '\0';
    setenv("ARCH", tmp, 1);

    /* Add MONDO_SHARE environment variable for mindi */
    setenv_mondo_share();

    /* Configure the bkpinfo structure, global file paths, etc. */
    g_main_pid = getpid();
    log_msg(9, "This");

    register_pid(g_main_pid, "mondo");
    set_signals(TRUE);          // catch SIGTERM, etc.
    run_program_and_log_output("dmesg -n1", TRUE);

    log_msg(9, "Next");
    make_hole_for_dir(MONDO_CACHE);

    welcome_to_mondoarchive();
    distro_specific_kludges_at_start_of_mondoarchive();
    g_kernel_version = get_kernel_version();

    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
        g_loglevel = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        if (!strstr(argv[2], "filelist")) {
            printf("Sorry - filelist goes first\n");
            finish(1);
        } else {
            finish(get_fattr_list(argv[2], argv[3]));
        }
        finish(0);
    }
    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
        g_loglevel = 10;
//      chdir("/tmp");
        g_text_mode = TRUE;
        setup_newt_stuff();
        finish(set_fattr_list(argv[2], argv[3]));
    }

    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
        g_loglevel = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
        printf("in=%s; out=%s\n", argv[2], tmp);
        finish(1);
    }

    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
        g_loglevel = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        if (!strstr(argv[2], "filelist")) {
            printf("Sorry - filelist goes first\n");
            finish(1);
        } else {
            finish(get_acl_list(argv[2], argv[3]));
        }
        finish(0);
    }
    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
        g_loglevel = 10;
//      chdir("/tmp");
        g_text_mode = TRUE;
        setup_newt_stuff();
        finish(set_acl_list(argv[2], argv[3]));
    }

    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
        g_loglevel = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        if (find_cdrw_device(tmp)) {
            printf("Failed to find CDR-RW drive\n");
        } else {
            printf("CD-RW is at %s\n", tmp);
        }
        tmp[0] = '\0';
        if (find_cdrom_device(tmp, atoi(argv[2]))) {
            printf("Failed to find CD-ROM drive\n");
        } else {
            printf("CD-ROM is at %s\n", tmp);
        }
        finish(0);
    }

    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
        g_loglevel = 10;
        g_text_mode = TRUE;
        setup_newt_stuff();
        if (find_dvd_device(tmp, atoi(argv[2]))) {
            printf("Failed to find DVD drive\n");
        } else {
            printf("DVD is at %s\n", tmp);
        }
        finish(0);
    }

    if (argc > 2 && !strcmp(argv[1], "disksize")) {
        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
        finish(0);
    }
    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
        if (is_dev_an_NTFS_dev(argv[2])) {
            printf("%s is indeed an NTFS dev\n", argv[2]);
        } else {
            printf("%s is _not_ an NTFS dev\n", argv[2]);
        }
        finish(0);
    }

    if (pre_param_configuration()) {
        fatal_error
            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
    }

/* Process command line, if there is one. If not, ask user for info. */
    if (argc == 1) {
        g_text_mode = FALSE;
        setup_newt_stuff();
        res = interactively_obtain_media_parameters_from_user(TRUE);    /* yes, archiving */
        if (res) {
            fatal_error
                ("Syntax error. Please review the parameters you have supplied and try again.");
        }
    } else {
        res = handle_incoming_parameters(argc, argv);
        if (res) {
            printf
                ("Errors were detected in the command line you supplied.\n");
            printf("Please review the log file - %s\n", MONDO_LOGFILE );
            log_msg(1, "Mondoarchive will now exit.");
            finish(1);
        }
        setup_newt_stuff();
    }

/* Finish configuring global structures */
    if (post_param_configuration()) {
        fatal_error
            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
    }

    log_to_screen
        ("BusyBox's sources are available from http://www.busybox.net");

    /* If we're meant to backup then backup */
    if (bkpinfo->backup_data) {
        res = backup_data();
        retval += res;
        if (res) {
            strcat(say_at_end,
                   "Data archived. Please check the logs, just as a precaution. ");
        } else {
            strcat(say_at_end, "Data archived OK. ");
        }
    }

/* If we're meant to verify then verify */
    if (bkpinfo->verify_data) {
        res = verify_data();
        if (res < 0) {
            sprintf(tmp, "%d difference%c found.", -res,
                    (-res != 1) ? 's' : ' ');
            strcat(say_at_end, tmp);
            log_to_screen(tmp);
            res = 0;
        }
        retval += res;
    }

/* Report result of entire operation (success? errors?) */
    if (!retval) {
        mvaddstr_and_log_it(g_currentY++, 0,
                            "Backup and/or verify ran to completion. Everything appears to be fine.");
    } else {
        mvaddstr_and_log_it(g_currentY++, 0,
                            "Backup and/or verify ran to completion. However, errors did occur.");
    }

    if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
        log_to_screen
            (MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it.");
    }

    if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
        if (g_text_mode) {
            log_to_screen("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
        } else {
            log_msg(1, "Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
            log_msg(2, "Calling popup_changelist_from_file()");
            popup_changelist_from_file(MONDO_CACHE"/changed.files");
            log_msg(2, "Returned from popup_changelist_from_file()");
        }
    } else {
        unlink(MONDO_CACHE"/changed.files");
    }
    log_to_screen(say_at_end);
    sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
    run_program_and_log_output(tmp, TRUE);
    if (bkpinfo->backup_media_type == usb) {
        log_msg(1, "Unmounting USB device.");
        sprintf(tmp, "umount %s1", bkpinfo->media_device);
        run_program_and_log_output(tmp, TRUE);
    }

    run_program_and_log_output("mount", 2);

    system("rm -f "MONDO_CACHE"/last-backup.aborted");
    if (!retval) {
        printf("Mondoarchive ran OK.\n");
    } else {
        printf("Errors occurred during backup. Please check logfile.\n");
    }
    distro_specific_kludges_at_end_of_mondoarchive();
    register_pid(0, "mondo");
    set_signals(FALSE);

    free_libmondo_global_strings();
    paranoid_free(say_at_end);
    

    if (!g_cdrom_drive_is_here) {
        log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
    }
    if (!g_dvd_drive_is_here) {
        log_msg(10, "FYI, g_dvd_drive_is_here was never used");
    }

    /* finalize log file with time stamp */
    log_msg(0, "Time finished: %s", mr_date());

    chdir("/tmp");

    if (!g_text_mode) {
        popup_and_OK
            ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
        log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
    } else {
        printf("See %s for details of backup run.\n", MONDO_LOGFILE);
    }
    finish(retval);

    return EXIT_SUCCESS;
}