/*
   Chown-advanced command -- for the Midnight Commander

   Copyright (C) 1994-2017
   Free Software Foundation, Inc.

   This file is part of the Midnight Commander.

   The Midnight Commander 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 3 of the License,
   or (at your option) any later version.

   The Midnight Commander is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/** \file achown.c
 *  \brief Source: Contains functions for advanced chowning
 */

#include <config.h>

#include <errno.h>
#include <stdio.h>
#include <string.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <pwd.h>
#include <grp.h>

#include "lib/global.h"

#include "lib/tty/tty.h"
#include "lib/tty/key.h"        /* XCTRL and ALT macros */
#include "lib/skin.h"
#include "lib/strutil.h"
#include "lib/vfs/vfs.h"
#include "lib/util.h"
#include "lib/widget.h"

#include "dir.h"
#include "midnight.h"           /* current_panel */
#include "chmod.h"

#include "achown.h"

/*** global variables ****************************************************************************/

/*** file scope macro definitions ****************************************************************/

#define BX              5
#define BY              5

#define BUTTONS         9
#define BUTTONS_PERM    5

#define B_SETALL        B_USER
#define B_SKIP          (B_USER + 1)

/*** file scope type declarations ****************************************************************/

/*** file scope variables ************************************************************************/

static WDialog *ch_dlg;

static struct
{
    unsigned long id;
    int ret_cmd;
    button_flags_t flags;
    int x, len;
    const char *text;
} chown_advanced_but[BUTTONS] =
{
    /* *INDENT-OFF* */
    { 0, B_ENTER,  NARROW_BUTTON,   3, 0, "   "},
    { 0, B_ENTER,  NARROW_BUTTON,  11, 0, "   "},
    { 0, B_ENTER,  NARROW_BUTTON,  19, 0, "   "},
    { 0, B_ENTER,  NARROW_BUTTON,  29, 0, ""},
    { 0, B_ENTER,  NARROW_BUTTON,  47, 0, ""},

    { 0, B_SETALL, NORMAL_BUTTON,   0, 0, N_("Set &all")},
    { 0, B_SKIP,   NORMAL_BUTTON,   0, 0, N_("S&kip") },
    { 0, B_ENTER,  DEFPUSH_BUTTON,  0, 0, N_("&Set") },
    { 0, B_CANCEL, NORMAL_BUTTON,   0, 0, N_("&Cancel") }
    /* *INDENT-ON* */
};

static WButton *b_att[3];       /* permission */
static WButton *b_user, *b_group;       /* owner */
static WLabel *l_filename;
static WLabel *l_mode;

static int flag_pos;
static int x_toggle;
static char ch_flags[11];
static const char ch_perm[] = "rwx";
static mode_t ch_cmode;
static struct stat *sf_stat;
static gboolean need_update = FALSE;
static gboolean end_chown = FALSE;
static int current_file;
static gboolean single_set = FALSE;
static char *fname;

/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */

static void
update_ownership (void)
{
    button_set_text (b_user, get_owner (sf_stat->st_uid));
    button_set_text (b_group, get_group (sf_stat->st_gid));
}

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

static cb_ret_t
inc_flag_pos (int f_pos)
{
    if (flag_pos == 10)
    {
        flag_pos = 0;
        return MSG_NOT_HANDLED;
    }
    flag_pos++;
    if ((flag_pos % 3) == 0 || f_pos > 2)
        return MSG_NOT_HANDLED;
    return MSG_HANDLED;
}

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

static cb_ret_t
dec_flag_pos (int f_pos)
{
    if (flag_pos == 0)
    {
        flag_pos = 10;
        return MSG_NOT_HANDLED;
    }
    flag_pos--;
    if (((flag_pos + 1) % 3) == 0 || f_pos > 2)
        return MSG_NOT_HANDLED;
    return MSG_HANDLED;
}

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

static void
set_perm_by_flags (char *s, int f_p)
{
    int i;

    for (i = 0; i < 3; i++)
    {
        if (ch_flags[f_p + i] == '+')
            s[i] = ch_perm[i];
        else if (ch_flags[f_p + i] == '-')
            s[i] = '-';
        else
            s[i] = (ch_cmode & (1 << (8 - f_p - i))) ? ch_perm[i] : '-';
    }
}

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

static void
update_permissions (void)
{
    set_perm_by_flags (b_att[0]->text.start, 0);
    set_perm_by_flags (b_att[1]->text.start, 3);
    set_perm_by_flags (b_att[2]->text.start, 6);
}

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

static mode_t
get_perm (char *s, int base)
{
    mode_t m;

    m = 0;
    m |= (s[0] == '-') ? 0 :
        ((s[0] == '+') ? (mode_t) (1 << (base + 2)) : (1 << (base + 2)) & ch_cmode);

    m |= (s[1] == '-') ? 0 :
        ((s[1] == '+') ? (mode_t) (1 << (base + 1)) : (1 << (base + 1)) & ch_cmode);

    m |= (s[2] == '-') ? 0 : ((s[2] == '+') ? (mode_t) (1 << base) : (1 << base) & ch_cmode);

    return m;
}

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

static mode_t
get_mode (void)
{
    mode_t m;

    m = ch_cmode ^ (ch_cmode & 0777);
    m |= get_perm (ch_flags, 6);
    m |= get_perm (ch_flags + 3, 3);
    m |= get_perm (ch_flags + 6, 0);

    return m;
}

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

static void
print_flags (void)
{
    int i;

    tty_setcolor (COLOR_NORMAL);

    for (i = 0; i < 3; i++)
    {
        widget_move (ch_dlg, BY + 1, 9 + i);
        tty_print_char (ch_flags[i]);
    }

    for (i = 0; i < 3; i++)
    {
        widget_move (ch_dlg, BY + 1, 17 + i);
        tty_print_char (ch_flags[i + 3]);
    }

    for (i = 0; i < 3; i++)
    {
        widget_move (ch_dlg, BY + 1, 25 + i);
        tty_print_char (ch_flags[i + 6]);
    }

    update_permissions ();

    for (i = 0; i < 15; i++)
    {
        widget_move (ch_dlg, BY + 1, 35 + i);
        tty_print_char (ch_flags[9]);
    }
    for (i = 0; i < 15; i++)
    {
        widget_move (ch_dlg, BY + 1, 53 + i);
        tty_print_char (ch_flags[10]);
    }
}

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

static void
chown_info_update (void)
{
    char buffer[BUF_SMALL];

    /* mode */
    g_snprintf (buffer, sizeof (buffer), "Permissions (octal): %o", get_mode ());
    label_set_text (l_mode, buffer);

    /* permissions */
    update_permissions ();
}

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

static void
update_mode (WDialog * h)
{
    print_flags ();
    chown_info_update ();
    widget_set_state (WIDGET (h->current->data), WST_FOCUSED, TRUE);
}

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

static cb_ret_t
chl_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
{
    switch (msg)
    {
    case MSG_KEY:
        switch (parm)
        {
        case KEY_LEFT:
        case KEY_RIGHT:
            {
                WDialog *h = DIALOG (w);

                h->ret_value = parm;
                dlg_stop (h);
            }
        default:
            break;
        }

    default:
        return dlg_default_callback (w, sender, msg, parm, data);
    }
}

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

static void
do_enter_key (WDialog * h, int f_pos)
{
    WListbox *chl_list;
    struct passwd *chl_pass;
    struct group *chl_grp;
    int fe;
    gboolean chl_end, is_owner;

    do
    {
        int result;
        WDialog *chl_dlg;
        const char *title;
        int lxx, lyy, b_pos;

        is_owner = (f_pos == 3);
        title = is_owner ? _("owner") : _("group");

        lxx = (COLS - 74) / 2 + (is_owner ? 35 : 53);
        lyy = (LINES - 13) / 2;
        chl_end = FALSE;

        chl_dlg =
            dlg_create (TRUE, lyy, lxx, 13, 17, WPOS_KEEP_DEFAULT, TRUE, dialog_colors,
                        chl_callback, NULL, "[Advanced Chown]", title);

        /* get new listboxes */
        chl_list = listbox_new (1, 1, 11, 15, FALSE, NULL);
        listbox_add_item (chl_list, LISTBOX_APPEND_AT_END, 0, "<Unknown>", NULL, FALSE);
        if (is_owner)
        {
            /* get and put user names in the listbox */
            setpwent ();
            while ((chl_pass = getpwent ()) != NULL)
                listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_pass->pw_name, NULL,
                                  FALSE);
            endpwent ();
            fe = listbox_search_text (chl_list, get_owner (sf_stat->st_uid));
        }
        else
        {
            /* get and put group names in the listbox */
            setgrent ();
            while ((chl_grp = getgrent ()) != NULL)
                listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_grp->gr_name, NULL,
                                  FALSE);
            endgrent ();
            fe = listbox_search_text (chl_list, get_group (sf_stat->st_gid));
        }

        listbox_select_entry (chl_list, fe);

        b_pos = chl_list->pos;
        add_widget (chl_dlg, chl_list);

        result = dlg_run (chl_dlg);

        if (result != B_CANCEL)
        {
            if (b_pos != chl_list->pos)
            {
                gboolean ok = FALSE;
                char *text;

                listbox_get_current (chl_list, &text, NULL);
                if (is_owner)
                {
                    chl_pass = getpwnam (text);
                    if (chl_pass != NULL)
                    {
                        ok = TRUE;
                        sf_stat->st_uid = chl_pass->pw_uid;
                    }
                }
                else
                {
                    chl_grp = getgrnam (text);
                    if (chl_grp != NULL)
                    {
                        sf_stat->st_gid = chl_grp->gr_gid;
                        ok = TRUE;
                    }
                }
                if (ok)
                {
                    ch_flags[f_pos + 6] = '+';
                    update_ownership ();
                }
                dlg_select_current_widget (h);
                if (ok)
                    print_flags ();
            }
            if (result == KEY_LEFT)
            {
                if (!is_owner)
                    chl_end = TRUE;
                dlg_select_prev_widget (ch_dlg);
                f_pos--;
            }
            else if (result == KEY_RIGHT)
            {
                if (is_owner)
                    chl_end = TRUE;
                dlg_select_next_widget (ch_dlg);
                f_pos++;
            }
        }

        /* Here we used to redraw the window */
        dlg_destroy (chl_dlg);
    }
    while (chl_end);
}

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

static void
chown_refresh (void)
{
    dlg_default_repaint (ch_dlg);

    tty_setcolor (COLOR_NORMAL);

    widget_move (ch_dlg, BY - 1, 8);
    tty_print_string (_("owner"));
    widget_move (ch_dlg, BY - 1, 16);
    tty_print_string (_("group"));
    widget_move (ch_dlg, BY - 1, 24);
    tty_print_string (_("other"));

    widget_move (ch_dlg, BY - 1, 35);
    tty_print_string (_("owner"));
    widget_move (ch_dlg, BY - 1, 53);
    tty_print_string (_("group"));

    widget_move (ch_dlg, BY + 1, 3);
    tty_print_string (_("Flag"));

    print_flags ();
}

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

static void
b_setpos (int f_pos)
{
    b_att[0]->hotpos = -1;
    b_att[1]->hotpos = -1;
    b_att[2]->hotpos = -1;
    b_att[f_pos]->hotpos = (flag_pos % 3);
}

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

static cb_ret_t
advanced_chown_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
{
    WDialog *h = DIALOG (w);
    int i;
    int f_pos;
    unsigned long id;

    id = dlg_get_current_widget_id (h);

    for (i = 0; i < BUTTONS_PERM; i++)
        if (chown_advanced_but[i].id == id)
            break;

    f_pos = i;
    i = 0;

    switch (msg)
    {
    case MSG_DRAW:
        chown_refresh ();
        chown_info_update ();
        return MSG_HANDLED;

    case MSG_POST_KEY:
        if (f_pos < 3)
            b_setpos (f_pos);
        return MSG_HANDLED;

    case MSG_FOCUS:
        if (f_pos < 3)
        {
            if ((flag_pos / 3) != f_pos)
                flag_pos = f_pos * 3;
            b_setpos (f_pos);
        }
        else if (f_pos < BUTTONS_PERM)
            flag_pos = f_pos + 6;
        return MSG_HANDLED;

    case MSG_KEY:
        switch (parm)
        {
        case XCTRL ('b'):
        case KEY_LEFT:
            if (f_pos < BUTTONS_PERM)
                return (dec_flag_pos (f_pos));
            break;

        case XCTRL ('f'):
        case KEY_RIGHT:
            if (f_pos < BUTTONS_PERM)
                return (inc_flag_pos (f_pos));
            break;

        case ' ':
            if (f_pos < 3)
                return MSG_HANDLED;
            break;

        case '\n':
        case KEY_ENTER:
            if (f_pos <= 2 || f_pos >= BUTTONS_PERM)
                break;
            do_enter_key (h, f_pos);
            return MSG_HANDLED;

        case ALT ('x'):
            i++;

        case ALT ('w'):
            i++;

        case ALT ('r'):
            parm = i + 3;
            for (i = 0; i < 3; i++)
                ch_flags[i * 3 + parm - 3] = (x_toggle & (1 << parm)) ? '-' : '+';
            x_toggle ^= (1 << parm);
            update_mode (h);
            dlg_broadcast_msg (h, MSG_DRAW);
            widget_set_state (WIDGET (h->current->data), WST_FOCUSED, TRUE);
            break;

        case XCTRL ('x'):
            i++;

        case XCTRL ('w'):
            i++;

        case XCTRL ('r'):
            parm = i;
            for (i = 0; i < 3; i++)
                ch_flags[i * 3 + parm] = (x_toggle & (1 << parm)) ? '-' : '+';
            x_toggle ^= (1 << parm);
            update_mode (h);
            dlg_broadcast_msg (h, MSG_DRAW);
            widget_set_state (WIDGET (h->current->data), WST_FOCUSED, TRUE);
            break;

        case 'x':
            i++;

        case 'w':
            i++;

        case 'r':
            if (f_pos > 2)
                break;
            flag_pos = f_pos * 3 + i;   /* (strchr(ch_perm,parm)-ch_perm); */
            if (BUTTON (h->current->data)->text.start[(flag_pos % 3)] == '-')
                ch_flags[flag_pos] = '+';
            else
                ch_flags[flag_pos] = '-';
            update_mode (h);
            break;

        case '4':
            i++;

        case '2':
            i++;

        case '1':
            if (f_pos <= 2)
            {
                flag_pos = i + f_pos * 3;
                ch_flags[flag_pos] = '=';
                update_mode (h);
            }
            break;

        case '-':
            if (f_pos > 2)
                break;

        case '*':
            if (parm == '*')
                parm = '=';

        case '=':
        case '+':
            if (f_pos <= 4)
            {
                ch_flags[flag_pos] = parm;
                update_mode (h);
                send_message (h, sender, MSG_KEY, KEY_RIGHT, NULL);
                if (flag_pos > 8 || (flag_pos % 3) == 0)
                    dlg_select_next_widget (h);
            }
            break;

        default:
            break;
        }
        return MSG_NOT_HANDLED;

    default:
        return dlg_default_callback (w, sender, msg, parm, data);
    }
}

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

static void
init_chown_advanced (void)
{
    int i;
    int dlg_h = 12;
    int dlg_w = 74;
    int y;

    static gboolean i18n = FALSE;

    if (!i18n)
    {
        for (i = BUTTONS_PERM; i < BUTTONS; i++)
        {
#ifdef ENABLE_NLS
            chown_advanced_but[i].text = _(chown_advanced_but[i].text);
#endif /* ENABLE_NLS */

            chown_advanced_but[i].len = str_term_width1 (chown_advanced_but[i].text) + 3;
            if (chown_advanced_but[i].flags == DEFPUSH_BUTTON)
                chown_advanced_but[i].len += 2; /* "<>" */
        }

        i18n = TRUE;
    }

    do_refresh ();

    sf_stat = g_new (struct stat, 1);
    current_file = 0;
    end_chown = need_update = FALSE;
    single_set = (current_panel->marked < 2);
    memset (ch_flags, '=', 11);
    flag_pos = 0;
    x_toggle = 070;

    if (!single_set)
        dlg_h += 2;

    ch_dlg =
        dlg_create (TRUE, 0, 0, dlg_h, dlg_w, WPOS_CENTER, FALSE, dialog_colors,
                    advanced_chown_callback, NULL, "[Advanced Chown]", _("Chown advanced command"));


    l_filename = label_new (2, 3, "");
    add_widget (ch_dlg, l_filename);

    add_widget (ch_dlg, hline_new (3, -1, -1));

#define XTRACT(i,y) y, BX+chown_advanced_but[i].x, \
        chown_advanced_but[i].ret_cmd, chown_advanced_but[i].flags, \
        (chown_advanced_but[i].text), NULL
    b_att[0] = button_new (XTRACT (0, BY));
    chown_advanced_but[0].id = add_widget (ch_dlg, b_att[0]);
    b_att[1] = button_new (XTRACT (1, BY));
    chown_advanced_but[1].id = add_widget (ch_dlg, b_att[1]);
    b_att[2] = button_new (XTRACT (2, BY));
    chown_advanced_but[2].id = add_widget (ch_dlg, b_att[2]);
    b_user = button_new (XTRACT (3, BY));
    chown_advanced_but[3].id = add_widget (ch_dlg, b_user);
    b_group = button_new (XTRACT (4, BY));
    chown_advanced_but[4].id = add_widget (ch_dlg, b_group);
#undef XTRACT

    l_mode = label_new (BY + 2, 3, "");
    add_widget (ch_dlg, l_mode);

    y = BY + 3;
    if (!single_set)
    {
        i = BUTTONS_PERM;
        add_widget (ch_dlg, hline_new (y++, -1, -1));
        chown_advanced_but[i].id = add_widget (ch_dlg,
                                               button_new (y,
                                                           WIDGET (ch_dlg)->cols / 2 -
                                                           chown_advanced_but[i].len,
                                                           chown_advanced_but[i].ret_cmd,
                                                           chown_advanced_but[i].flags,
                                                           chown_advanced_but[i].text, NULL));
        i++;
        chown_advanced_but[i].id = add_widget (ch_dlg,
                                               button_new (y, WIDGET (ch_dlg)->cols / 2 + 1,
                                                           chown_advanced_but[i].ret_cmd,
                                                           chown_advanced_but[i].flags,
                                                           chown_advanced_but[i].text, NULL));
        y++;
    }

    i = BUTTONS_PERM + 2;
    add_widget (ch_dlg, hline_new (y++, -1, -1));
    chown_advanced_but[i].id = add_widget (ch_dlg,
                                           button_new (y,
                                                       WIDGET (ch_dlg)->cols / 2 -
                                                       chown_advanced_but[i].len,
                                                       chown_advanced_but[i].ret_cmd,
                                                       chown_advanced_but[i].flags,
                                                       chown_advanced_but[i].text, NULL));
    i++;
    chown_advanced_but[i].id = add_widget (ch_dlg,
                                           button_new (y, WIDGET (ch_dlg)->cols / 2 + 1,
                                                       chown_advanced_but[i].ret_cmd,
                                                       chown_advanced_but[i].flags,
                                                       chown_advanced_but[i].text, NULL));

    widget_select (WIDGET (b_att[0]));
}

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

static void
chown_advanced_done (void)
{
    g_free (sf_stat);
    if (need_update)
        update_panels (UP_OPTIMIZE, UP_KEEPSEL);
    repaint_screen ();
}

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

#if 0
static void
do_chown (uid_t u, gid_t g)
{
    chown (current_panel->dir.list[current_file].fname, u, g);
    file_mark (current_panel, current_file, 0);
}
#endif

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

static char *
next_file (void)
{
    while (!current_panel->dir.list[current_file].f.marked)
        current_file++;

    return current_panel->dir.list[current_file].fname;
}

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

static void
apply_advanced_chowns (struct stat *sf)
{
    vfs_path_t *vpath;
    char *lc_fname;
    gid_t a_gid = sf->st_gid;
    uid_t a_uid = sf->st_uid;

    lc_fname = current_panel->dir.list[current_file].fname;
    vpath = vfs_path_from_str (lc_fname);
    need_update = end_chown = TRUE;
    if (mc_chmod (vpath, get_mode ()) == -1)
        message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
                 lc_fname, unix_error_string (errno));
    /* call mc_chown only, if mc_chmod didn't fail */
    else if (mc_chown (vpath, (ch_flags[9] == '+') ? sf->st_uid : (uid_t) (-1),
                       (ch_flags[10] == '+') ? sf->st_gid : (gid_t) (-1)) == -1)
        message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
                 lc_fname, unix_error_string (errno));
    do_file_mark (current_panel, current_file, 0);
    vfs_path_free (vpath);

    do
    {
        lc_fname = next_file ();
        vpath = vfs_path_from_str (lc_fname);

        if (mc_stat (vpath, sf) != 0)
        {
            vfs_path_free (vpath);
            break;
        }

        ch_cmode = sf->st_mode;

        if (mc_chmod (vpath, get_mode ()) == -1)
            message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
                     lc_fname, unix_error_string (errno));
        /* call mc_chown only, if mc_chmod didn't fail */
        else if (mc_chown (vpath, (ch_flags[9] == '+') ? a_uid : (uid_t) (-1),
                           (ch_flags[10] == '+') ? a_gid : (gid_t) (-1)) == -1)
            message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
                     lc_fname, unix_error_string (errno));

        do_file_mark (current_panel, current_file, 0);
        vfs_path_free (vpath);
    }
    while (current_panel->marked != 0);
}

/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */

void
chown_advanced_cmd (void)
{
    /* Number of files at startup */
    int files_on_begin;

    files_on_begin = MAX (1, current_panel->marked);

    do
    {                           /* do while any files remaining */
        int file_idx;
        char buffer[BUF_MEDIUM];
        vfs_path_t *vpath;
        int result;

        init_chown_advanced ();

        if (current_panel->marked)
            fname = next_file ();       /* next marked file */
        else
            fname = selection (current_panel)->fname;   /* single file */
        vpath = vfs_path_from_str (fname);

        if (mc_stat (vpath, sf_stat) != 0)
        {                       /* get status of file */
            dlg_destroy (ch_dlg);
            vfs_path_free (vpath);
            break;
        }

        ch_cmode = sf_stat->st_mode;

        file_idx = files_on_begin == 1 ? 1 : (files_on_begin - current_panel->marked + 1);
        g_snprintf (buffer, sizeof (buffer), "%s (%d/%d)",
                    str_fit_to_term (fname, WIDGET (ch_dlg)->cols - 20, J_LEFT_FIT),
                    file_idx, files_on_begin);
        label_set_text (l_filename, buffer);
        chown_refresh ();
        update_ownership ();

        result = dlg_run (ch_dlg);

        switch (result)
        {
        case B_CANCEL:
            end_chown = TRUE;
            break;

        case B_ENTER:
            need_update = TRUE;
            if (mc_chmod (vpath, get_mode ()) == -1)
                message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
                         fname, unix_error_string (errno));
            /* call mc_chown only, if mc_chmod didn't fail */
            else if (mc_chown
                     (vpath, (ch_flags[9] == '+') ? sf_stat->st_uid : (uid_t) (-1),
                      (ch_flags[10] == '+') ? sf_stat->st_gid : (gid_t) (-1)) == -1)
                message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"), fname,
                         unix_error_string (errno));
            break;

        case B_SETALL:
            apply_advanced_chowns (sf_stat);
            break;

        case B_SKIP:
        default:
            break;
        }

        if (current_panel->marked && result != B_CANCEL)
        {
            do_file_mark (current_panel, current_file, 0);
            need_update = TRUE;
        }
        dlg_destroy (ch_dlg);
        vfs_path_free (vpath);
    }
    while (current_panel->marked && !end_chown);

    chown_advanced_done ();
}

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