Adding upstream version 3:4.8.29.upstream/3%4.8.29upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1102 insertions, 0 deletions

diff --git a/src/filemanager/achown.c b/src/filemanager/achown.c
new file mode 100644
index 0000000..655abb1
--- /dev/null
+++ b/src/filemanager/achown.c
@@ -0,0 +1,1102 @@
+/*
+   Chown-advanced command -- for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   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 <pwd.h>
+#include <grp.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.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/vfs/vfs.h"
+#include "lib/strutil.h"
+#include "lib/util.h"
+#include "lib/widget.h"
+
+#include "cmd.h"                /* advanced_chown_cmd() */
+
+/*** 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 struct
+{
+    unsigned long id;
+    int ret_cmd;
+    button_flags_t flags;
+    int x;
+    int len;
+    const char *text;
+} advanced_chown_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 int current_file;
+static gboolean ignore_all;
+
+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;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+advanced_chown_init (void)
+{
+    static gboolean i18n = FALSE;
+    int i;
+
+    if (i18n)
+        return;
+
+    i18n = TRUE;
+
+    for (i = BUTTONS_PERM; i < BUTTONS; i++)
+    {
+#ifdef ENABLE_NLS
+        advanced_chown_but[i].text = _(advanced_chown_but[i].text);
+#endif /* ENABLE_NLS */
+
+        advanced_chown_but[i].len = str_term_width1 (advanced_chown_but[i].text) + 3;
+        if (advanced_chown_but[i].flags == DEFPUSH_BUTTON)
+            advanced_chown_but[i].len += 2;     /* "<>" */
+    }
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+inc_flag_pos (void)
+{
+    if (flag_pos == 10)
+    {
+        flag_pos = 0;
+        return MSG_NOT_HANDLED;
+    }
+
+    flag_pos++;
+
+    return flag_pos % 3 == 0 ? MSG_NOT_HANDLED : MSG_HANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+dec_flag_pos (void)
+{
+    if (flag_pos == 0)
+    {
+        flag_pos = 10;
+        return MSG_NOT_HANDLED;
+    }
+
+    flag_pos--;
+
+    return (flag_pos + 1) % 3 == 0 ? MSG_NOT_HANDLED : 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))) != 0 ? ch_perm[i] : '-';
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static mode_t
+get_perm (char *s, int base)
+{
+    mode_t 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
+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 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 void
+print_flags (const WDialog * h)
+{
+    int i;
+
+    tty_setcolor (COLOR_NORMAL);
+
+    for (i = 0; i < 3; i++)
+    {
+        widget_gotoyx (h, BY + 1, advanced_chown_but[0].x + 6 + i);
+        tty_print_char (ch_flags[i]);
+    }
+
+    for (i = 0; i < 3; i++)
+    {
+        widget_gotoyx (h, BY + 1, advanced_chown_but[1].x + 6 + i);
+        tty_print_char (ch_flags[i + 3]);
+    }
+
+    for (i = 0; i < 3; i++)
+    {
+        widget_gotoyx (h, BY + 1, advanced_chown_but[2].x + 6 + i);
+        tty_print_char (ch_flags[i + 6]);
+    }
+
+    update_permissions ();
+
+    for (i = 0; i < 15; i++)
+    {
+        widget_gotoyx (h, BY + 1, advanced_chown_but[3].x + 6 + i);
+        tty_print_char (ch_flags[9]);
+    }
+    for (i = 0; i < 15; i++)
+    {
+        widget_gotoyx (h, BY + 1, advanced_chown_but[4].x + 6 + i);
+        tty_print_char (ch_flags[10]);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+advanced_chown_refresh (const WDialog * h)
+{
+    tty_setcolor (COLOR_NORMAL);
+
+    widget_gotoyx (h, BY - 1, advanced_chown_but[0].x + 5);
+    tty_print_string (_("owner"));
+    widget_gotoyx (h, BY - 1, advanced_chown_but[1].x + 5);
+    tty_print_string (_("group"));
+    widget_gotoyx (h, BY - 1, advanced_chown_but[2].x + 5);
+    tty_print_string (_("other"));
+
+    widget_gotoyx (h, BY - 1, advanced_chown_but[3].x + 5);
+    tty_print_string (_("owner"));
+    widget_gotoyx (h, BY - 1, advanced_chown_but[4].x + 5);
+    tty_print_string (_("group"));
+
+    widget_gotoyx (h, BY + 1, 3);
+    tty_print_string (_("Flag"));
+    print_flags (h);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+advanced_chown_info_update (void)
+{
+    /* mode */
+    label_set_textv (l_mode, _("Permissions (octal): %o"), get_mode ());
+
+    /* permissions */
+    update_permissions ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+update_mode (WGroup * g)
+{
+    print_flags (DIALOG (g));
+    advanced_chown_info_update ();
+    widget_set_state (WIDGET (g->current->data), WST_FOCUSED, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+perm_button_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WButton *b = BUTTON (w);
+    WGroup *g = w->owner;
+    int i = 0;
+    int f_pos;
+
+    /* one of permission buttons */
+    if (b == b_att[0])
+        f_pos = 0;
+    else if (b == b_att[1])
+        f_pos = 1;
+    else                        /* if (w == b_att [1] */
+        f_pos = 2;
+
+    switch (msg)
+    {
+    case MSG_FOCUS:
+        if (b->hotpos == -1)
+            b->hotpos = 0;
+
+        flag_pos = f_pos * 3 + b->hotpos;
+        return MSG_HANDLED;
+
+    case MSG_KEY:
+        switch (parm)
+        {
+        case '*':
+            parm = '=';
+            MC_FALLTHROUGH;
+
+        case '-':
+        case '=':
+        case '+':
+            flag_pos = f_pos * 3 + b->hotpos;
+            ch_flags[flag_pos] = parm;
+            update_mode (g);
+            send_message (w, NULL, MSG_KEY, KEY_RIGHT, NULL);
+            if (b->hotpos == 2)
+                group_select_next_widget (g);
+            break;
+
+        case XCTRL ('f'):
+        case KEY_RIGHT:
+            {
+                cb_ret_t ret;
+
+                ret = inc_flag_pos ();
+                b->hotpos = flag_pos % 3;
+                return ret;
+            }
+
+        case XCTRL ('b'):
+        case KEY_LEFT:
+            {
+                cb_ret_t ret;
+
+                ret = dec_flag_pos ();
+                b->hotpos = flag_pos % 3;
+                return ret;
+            }
+
+        case 'x':
+            i++;
+            MC_FALLTHROUGH;
+
+        case 'w':
+            i++;
+            MC_FALLTHROUGH;
+
+        case 'r':
+            b->hotpos = i;
+            MC_FALLTHROUGH;
+
+        case ' ':
+            i = b->hotpos;
+
+            flag_pos = f_pos * 3 + i;
+            if (b->text.start[flag_pos % 3] == '-')
+                ch_flags[flag_pos] = '+';
+            else
+                ch_flags[flag_pos] = '-';
+            update_mode (w->owner);
+            break;
+
+        case '4':
+            i++;
+            MC_FALLTHROUGH;
+
+        case '2':
+            i++;
+            MC_FALLTHROUGH;
+
+        case '1':
+            b->hotpos = i;
+            flag_pos = f_pos * 3 + i;
+            ch_flags[flag_pos] = '=';
+            update_mode (g);
+            break;
+
+        default:
+            break;
+        }
+        /* continue key handling in the dialog level */
+        return MSG_NOT_HANDLED;
+
+    default:
+        return button_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+perm_button_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    switch (msg)
+    {
+    case MSG_MOUSE_DOWN:
+        /* place cursor on flag that is being modified */
+        BUTTON (w)->hotpos = CLAMP (event->x - 1, 0, 2);
+        MC_FALLTHROUGH;
+
+    default:
+        button_mouse_default_callback (w, msg, event);
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static WButton *
+perm_button_new (int y, int x, int action, button_flags_t flags, const char *text,
+                 bcback_fn callback)
+{
+    WButton *b;
+    Widget *w;
+
+    /* create base button using native API */
+    b = button_new (y, x, action, flags, text, callback);
+    w = WIDGET (b);
+
+    /* we don't want HOTKEY */
+    widget_want_hotkey (w, FALSE);
+
+    w->callback = perm_button_callback;
+    w->mouse_callback = perm_button_mouse_callback;
+
+    return b;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+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);
+            }
+            break;
+        default:
+            break;
+        }
+        MC_FALLTHROUGH;
+
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+user_group_button_cb (WButton * button, int action)
+{
+    Widget *w = WIDGET (button);
+    int f_pos;
+    gboolean chl_end;
+
+    (void) action;
+
+    if (button == b_user)
+        f_pos = BUTTONS_PERM - 2;
+    else if (button == b_group)
+        f_pos = BUTTONS_PERM - 1;
+    else
+        return 0;               /* do nothing */
+
+    do
+    {
+        WGroup *g = w->owner;
+        WDialog *h = DIALOG (g);
+        Widget *wh = WIDGET (h);
+
+        gboolean is_owner = (f_pos == BUTTONS_PERM - 2);
+        const char *title;
+        int lxx, b_pos;
+        WDialog *chl_dlg;
+        WListbox *chl_list;
+        int result;
+        int fe;
+        struct passwd *chl_pass;
+        struct group *chl_grp;
+
+        chl_end = FALSE;
+
+        if (is_owner)
+        {
+            title = _("owner");
+            lxx = WIDGET (b_user)->rect.x + 1;
+        }
+        else
+        {
+            title = _("group");
+            lxx = WIDGET (b_group)->rect.x + 1;
+        }
+
+        chl_dlg =
+            dlg_create (TRUE, wh->rect.y - 1, lxx, wh->rect.lines + 2, 17, WPOS_KEEP_DEFAULT, TRUE,
+                        dialog_colors, chl_callback, NULL, "[Advanced Chown]", title);
+
+        /* get new listboxes */
+        chl_list =
+            listbox_new (1, 1, WIDGET (chl_dlg)->rect.lines - 2, WIDGET (chl_dlg)->rect.cols - 2,
+                         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;
+        group_add_widget (GROUP (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)
+                    {
+                        sf_stat.st_uid = chl_pass->pw_uid;
+                        ok = TRUE;
+                    }
+                }
+                else
+                {
+                    chl_grp = getgrnam (text);
+                    if (chl_grp != NULL)
+                    {
+                        sf_stat.st_gid = chl_grp->gr_gid;
+                        ok = TRUE;
+                    }
+                }
+
+                if (!ok)
+                    group_select_current_widget (g);
+                else
+                {
+                    ch_flags[f_pos + 6] = '+';
+                    update_ownership ();
+                    group_select_current_widget (g);
+                    print_flags (h);
+                }
+            }
+
+            if (result == KEY_LEFT)
+            {
+                if (!is_owner)
+                    chl_end = TRUE;
+                group_select_prev_widget (g);
+                f_pos--;
+            }
+            else if (result == KEY_RIGHT)
+            {
+                if (is_owner)
+                    chl_end = TRUE;
+                group_select_next_widget (g);
+                f_pos++;
+            }
+        }
+
+        /* Here we used to redraw the window */
+        widget_destroy (WIDGET (chl_dlg));
+    }
+    while (chl_end);
+
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+advanced_chown_bg_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    switch (msg)
+    {
+    case MSG_DRAW:
+        frame_callback (w, NULL, MSG_DRAW, 0, NULL);
+        advanced_chown_refresh (DIALOG (w->owner));
+        advanced_chown_info_update ();
+        return MSG_HANDLED;
+
+    default:
+        return frame_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+advanced_chown_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WGroup *g = GROUP (w);
+    int i = 0;
+
+    switch (msg)
+    {
+    case MSG_KEY:
+        switch (parm)
+        {
+        case ALT ('x'):
+            i++;
+            MC_FALLTHROUGH;
+
+        case ALT ('w'):
+            i++;
+            MC_FALLTHROUGH;
+
+        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 (g);
+            widget_draw (w);
+            break;
+
+        case XCTRL ('x'):
+            i++;
+            MC_FALLTHROUGH;
+
+        case XCTRL ('w'):
+            i++;
+            MC_FALLTHROUGH;
+
+        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 (g);
+            widget_draw (w);
+            break;
+
+        default:
+            break;
+        }
+        return MSG_NOT_HANDLED;
+
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static WDialog *
+advanced_chown_dlg_create (WPanel * panel)
+{
+    gboolean single_set;
+    WDialog *ch_dlg;
+    WGroup *ch_grp;
+    int lines = 12;
+    int cols = 74;
+    int i;
+    int y;
+
+    memset (ch_flags, '=', 11);
+    flag_pos = 0;
+    x_toggle = 070;
+
+    single_set = (panel->marked < 2);
+    if (!single_set)
+        lines += 2;
+
+    ch_dlg =
+        dlg_create (TRUE, 0, 0, lines, cols, WPOS_CENTER, FALSE, dialog_colors,
+                    advanced_chown_callback, NULL, "[Advanced Chown]", _("Chown advanced command"));
+    ch_grp = GROUP (ch_dlg);
+
+    /* draw background */
+    ch_dlg->bg->callback = advanced_chown_bg_callback;
+
+    l_filename = label_new (2, 3, "");
+    group_add_widget (ch_grp, l_filename);
+
+    group_add_widget (ch_grp, hline_new (3, -1, -1));
+
+#define XTRACT(i,y,cb) y, BX+advanced_chown_but[i].x, \
+        advanced_chown_but[i].ret_cmd, advanced_chown_but[i].flags, \
+        (advanced_chown_but[i].text), cb
+    b_att[0] = perm_button_new (XTRACT (0, BY, NULL));
+    advanced_chown_but[0].id = group_add_widget (ch_grp, b_att[0]);
+    b_att[1] = perm_button_new (XTRACT (1, BY, NULL));
+    advanced_chown_but[1].id = group_add_widget (ch_grp, b_att[1]);
+    b_att[2] = perm_button_new (XTRACT (2, BY, NULL));
+    advanced_chown_but[2].id = group_add_widget (ch_grp, b_att[2]);
+    b_user = button_new (XTRACT (3, BY, user_group_button_cb));
+    advanced_chown_but[3].id = group_add_widget (ch_grp, b_user);
+    b_group = button_new (XTRACT (4, BY, user_group_button_cb));
+    advanced_chown_but[4].id = group_add_widget (ch_grp, b_group);
+
+    l_mode = label_new (BY + 2, 3, "");
+    group_add_widget (ch_grp, l_mode);
+
+    y = BY + 3;
+    if (!single_set)
+    {
+        i = BUTTONS_PERM;
+        group_add_widget (ch_grp, hline_new (y++, -1, -1));
+        advanced_chown_but[i].id = group_add_widget (ch_grp,
+                                                     button_new (y,
+                                                                 WIDGET (ch_dlg)->rect.cols / 2 -
+                                                                 advanced_chown_but[i].len,
+                                                                 advanced_chown_but[i].ret_cmd,
+                                                                 advanced_chown_but[i].flags,
+                                                                 advanced_chown_but[i].text, NULL));
+        i++;
+        advanced_chown_but[i].id = group_add_widget (ch_grp,
+                                                     button_new (y,
+                                                                 WIDGET (ch_dlg)->rect.cols / 2 + 1,
+                                                                 advanced_chown_but[i].ret_cmd,
+                                                                 advanced_chown_but[i].flags,
+                                                                 advanced_chown_but[i].text, NULL));
+        y++;
+    }
+
+    i = BUTTONS_PERM + 2;
+    group_add_widget (ch_grp, hline_new (y++, -1, -1));
+    advanced_chown_but[i].id = group_add_widget (ch_grp,
+                                                 button_new (y,
+                                                             WIDGET (ch_dlg)->rect.cols / 2 -
+                                                             advanced_chown_but[i].len,
+                                                             advanced_chown_but[i].ret_cmd,
+                                                             advanced_chown_but[i].flags,
+                                                             advanced_chown_but[i].text, NULL));
+    i++;
+    advanced_chown_but[i].id = group_add_widget (ch_grp,
+                                                 button_new (y, WIDGET (ch_dlg)->rect.cols / 2 + 1,
+                                                             advanced_chown_but[i].ret_cmd,
+                                                             advanced_chown_but[i].flags,
+                                                             advanced_chown_but[i].text, NULL));
+
+    widget_select (WIDGET (b_att[0]));
+
+    return ch_dlg;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+advanced_chown_done (gboolean need_update)
+{
+    if (need_update)
+        update_panels (UP_OPTIMIZE, UP_KEEPSEL);
+    repaint_screen ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const GString *
+next_file (const WPanel * panel)
+{
+    while (!panel->dir.list[current_file].f.marked)
+        current_file++;
+
+    return panel->dir.list[current_file].fname;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+try_advanced_chown (const vfs_path_t * p, mode_t m, uid_t u, gid_t g)
+{
+    int chmod_result;
+    const char *fname;
+
+    fname = x_basename (vfs_path_as_str (p));
+
+    while ((chmod_result = mc_chmod (p, m)) == -1 && !ignore_all)
+    {
+        int my_errno = errno;
+        int result;
+        char *msg;
+
+        msg = g_strdup_printf (_("Cannot chmod \"%s\"\n%s"), fname, unix_error_string (my_errno));
+        result =
+            query_dialog (MSG_ERROR, msg, D_ERROR, 4, _("&Ignore"), _("Ignore &all"), _("&Retry"),
+                          _("&Cancel"));
+        g_free (msg);
+
+        switch (result)
+        {
+        case 0:
+            /* call mc_chown() only, if mc_chmod() didn't fail */
+            return TRUE;
+
+        case 1:
+            ignore_all = TRUE;
+            /* call mc_chown() only, if mc_chmod() didn't fail */
+            return TRUE;
+
+        case 2:
+            /* retry chmod of this file */
+            break;
+
+        case 3:
+        default:
+            /* stop remain files processing */
+            return FALSE;
+        }
+    }
+
+    /* call mc_chown() only, if mc_chmod didn't fail */
+    while (chmod_result != -1 && mc_chown (p, u, g) == -1 && !ignore_all)
+    {
+        int my_errno = errno;
+        int result;
+        char *msg;
+
+        msg = g_strdup_printf (_("Cannot chown \"%s\"\n%s"), fname, unix_error_string (my_errno));
+        result =
+            query_dialog (MSG_ERROR, msg, D_ERROR, 4, _("&Ignore"), _("Ignore &all"), _("&Retry"),
+                          _("&Cancel"));
+        g_free (msg);
+
+        switch (result)
+        {
+        case 0:
+            /* try next file */
+            return TRUE;
+
+        case 1:
+            ignore_all = TRUE;
+            /* try next file */
+            return TRUE;
+
+        case 2:
+            /* retry chown of this file */
+            break;
+
+        case 3:
+        default:
+            /* stop remain files processing */
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+do_advanced_chown (WPanel * panel, const vfs_path_t * p, mode_t m, uid_t u, gid_t g)
+{
+    gboolean ret;
+
+    ret = try_advanced_chown (p, m, u, g);
+
+    do_file_mark (panel, current_file, 0);
+
+    return ret;
+}
+
+ /* --------------------------------------------------------------------------------------------- */
+
+static void
+apply_advanced_chowns (WPanel * panel, vfs_path_t * vpath, struct stat *sf)
+{
+    gid_t a_gid = sf->st_gid;
+    uid_t a_uid = sf->st_uid;
+    gboolean ok;
+
+    if (!do_advanced_chown (panel, vpath, get_mode (),
+                            (ch_flags[9] == '+') ? a_uid : (uid_t) (-1),
+                            (ch_flags[10] == '+') ? a_gid : (gid_t) (-1)))
+        return;
+
+    do
+    {
+        const GString *fname;
+
+        fname = next_file (panel);
+        vpath = vfs_path_from_str (fname->str);
+        ok = (mc_stat (vpath, sf) == 0);
+
+        if (!ok)
+        {
+            /* if current file was deleted outside mc -- try next file */
+            /* decrease panel->marked */
+            do_file_mark (panel, current_file, 0);
+
+            /* try next file */
+            ok = TRUE;
+        }
+        else
+        {
+            ch_cmode = sf->st_mode;
+
+            ok = do_advanced_chown (panel, vpath, get_mode (),
+                                    (ch_flags[9] == '+') ? a_uid : (uid_t) (-1),
+                                    (ch_flags[10] == '+') ? a_gid : (gid_t) (-1));
+        }
+
+        vfs_path_free (vpath, TRUE);
+    }
+    while (ok && panel->marked != 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+advanced_chown_cmd (WPanel * panel)
+{
+    gboolean need_update;
+    gboolean end_chown;
+
+    /* Number of files at startup */
+    int files_on_begin;
+
+    files_on_begin = MAX (1, panel->marked);
+
+    advanced_chown_init ();
+
+    current_file = 0;
+    ignore_all = FALSE;
+
+    do
+    {                           /* do while any files remaining */
+        vfs_path_t *vpath;
+        WDialog *ch_dlg;
+        const GString *fname;
+        int result;
+        int file_idx;
+
+        do_refresh ();
+
+        need_update = FALSE;
+        end_chown = FALSE;
+
+        if (panel->marked != 0)
+            fname = next_file (panel);  /* next marked file */
+        else
+            fname = selection (panel)->fname;   /* single file */
+
+        vpath = vfs_path_from_str (fname->str);
+
+        if (mc_stat (vpath, &sf_stat) != 0)
+        {
+            vfs_path_free (vpath, TRUE);
+            break;
+        }
+
+        ch_cmode = sf_stat.st_mode;
+
+        ch_dlg = advanced_chown_dlg_create (panel);
+
+        file_idx = files_on_begin == 1 ? 1 : (files_on_begin - panel->marked + 1);
+        label_set_textv (l_filename, "%s (%d/%d)",
+                         str_fit_to_term (fname->str, WIDGET (ch_dlg)->rect.cols - 20, J_LEFT_FIT),
+                         file_idx, files_on_begin);
+        update_ownership ();
+
+        result = dlg_run (ch_dlg);
+
+        switch (result)
+        {
+        case B_CANCEL:
+            end_chown = TRUE;
+            break;
+
+        case B_ENTER:
+            if (panel->marked <= 1)
+            {
+                /* single or last file */
+                if (mc_chmod (vpath, get_mode ()) == -1)
+                    message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
+                             fname->str, 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->str,
+                             unix_error_string (errno));
+
+                end_chown = TRUE;
+            }
+            else if (!try_advanced_chown
+                     (vpath, get_mode (), (ch_flags[9] == '+') ? sf_stat.st_uid : (uid_t) (-1),
+                      (ch_flags[10] == '+') ? sf_stat.st_gid : (gid_t) (-1)))
+            {
+                /* stop multiple files processing */
+                result = B_CANCEL;
+                end_chown = TRUE;
+            }
+
+            need_update = TRUE;
+            break;
+
+        case B_SETALL:
+            apply_advanced_chowns (panel, vpath, &sf_stat);
+            need_update = TRUE;
+            end_chown = TRUE;
+            break;
+
+        case B_SKIP:
+        default:
+            break;
+        }
+
+        if (panel->marked != 0 && result != B_CANCEL)
+        {
+            do_file_mark (panel, current_file, 0);
+            need_update = TRUE;
+        }
+
+        vfs_path_free (vpath, TRUE);
+
+        widget_destroy (WIDGET (ch_dlg));
+    }
+    while (panel->marked != 0 && !end_chown);
+
+    advanced_chown_done (need_update);
+}
+
+/* --------------------------------------------------------------------------------------------- */