src/achown.c

   1 /* Chown-advanced command -- for the Midnight Commander
   2    Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   3    2005, 2007 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 /** \file achown.c
  21  *  \brief Source: Contains functions for advanced chowning
  22  */
  23
  24 #include <config.h>
  25
  26 #include <errno.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <unistd.h>
  33 #include <pwd.h>
  34 #include <grp.h>
  35
  36 #include "global.h"
  37
  38 #include "../src/tty/tty.h"
  39 #include "../src/tty/key.h"             /* XCTRL and ALT macros */
  40 #include "../src/skin/skin.h"
  41
  42 #include "dialog.h"
  43 #include "widget.h"
  44 #include "wtools.h"             /* For init_box_colors() */
  45 #include "strutil.h"
  46
  47 #include "dir.h"
  48 #include "panel.h"              /* Needed for the externs */
  49 #include "chmod.h"
  50 #include "main.h"               /* update_panels() */
  51 #include "layout.h"             /* repaint_screen() */
  52 #include "achown.h"
  53
  54 #define BX              5
  55 #define BY              6
  56
  57 #define TX              50
  58 #define TY              2
  59
  60 #define BUTTONS         9
  61
  62 #define B_SETALL        B_USER
  63 #define B_SKIP          (B_USER + 1)
  64
  65 #define B_OWN           (B_USER + 3)
  66 #define B_GRP           (B_USER + 4)
  67 #define B_OTH           (B_USER + 5)
  68 #define B_OUSER         (B_USER + 6)
  69 #define B_OGROUP        (B_USER + 7)
  70
  71 static struct Dlg_head *ch_dlg;
  72
  73 static struct {
  74     int ret_cmd, flags, y, x;
  75     const char *text;
  76 } chown_advanced_but [BUTTONS] = {
  77     { B_CANCEL, NORMAL_BUTTON, 4, 53, N_("&Cancel") },
  78     { B_ENTER,  DEFPUSH_BUTTON,4, 40, N_("&Set") },
  79     { B_SKIP,   NORMAL_BUTTON, 4, 23, N_("S&kip") },
  80     { B_SETALL, NORMAL_BUTTON, 4,  0, N_("Set &all")},
  81     { B_ENTER,  NARROW_BUTTON, 0, 47, ""},
  82     { B_ENTER,  NARROW_BUTTON, 0, 29, ""},
  83     { B_ENTER,  NARROW_BUTTON, 0, 19, "   "},
  84     { B_ENTER,  NARROW_BUTTON, 0, 11, "   "},
  85     { B_ENTER,  NARROW_BUTTON, 0,  3, "   "}
  86 };
  87
  88 static WButton *b_att[3];       /* permission */
  89 static WButton *b_user, *b_group;       /* owner */
  90
  91 static int files_on_begin;      /* Number of files at startup */
  92 static int flag_pos;
  93 static int x_toggle;
  94 static char ch_flags[11];
  95 static const char ch_perm[] = "rwx";
  96 static mode_t ch_cmode;
  97 static struct stat *sf_stat;
  98 static int need_update;
  99 static int end_chown;
 100 static int current_file;
 101 static int single_set;
 102 static char *fname;
 103
 104 static void update_ownership (void)
 105 {
 106     button_set_text (b_user, get_owner (sf_stat->st_uid));
 107     button_set_text (b_group, get_group (sf_stat->st_gid));
 108 }
 109
 110
 111 static cb_ret_t inc_flag_pos (int f_pos)
 112 {
 113     if (flag_pos == 10) {
 114         flag_pos = 0;
 115         return MSG_NOT_HANDLED;
 116     }
 117     flag_pos++;
 118     if (!(flag_pos % 3) || f_pos > 2)
 119         return MSG_NOT_HANDLED;
 120     return MSG_HANDLED;
 121 }
 122
 123 static cb_ret_t dec_flag_pos (int f_pos)
 124 {
 125     if (!flag_pos) {
 126         flag_pos = 10;
 127         return MSG_NOT_HANDLED;
 128     }
 129     flag_pos--;
 130     if (!((flag_pos + 1) % 3) || f_pos > 2)
 131         return MSG_NOT_HANDLED;
 132     return MSG_HANDLED;
 133 }
 134
 135 static void set_perm_by_flags (char *s, int f_p)
 136 {
 137     int i;
 138
 139     for (i = 0; i < 3; i++) {
 140         if (ch_flags[f_p + i] == '+')
 141             s[i] = ch_perm[i];
 142         else if (ch_flags[f_p + i] == '-')
 143             s[i] = '-';
 144         else
 145             s[i] = (ch_cmode & (1 << (8 - f_p - i))) ? ch_perm[i] : '-';
 146     }
 147 }
 148
 149 static void update_permissions (void)
 150 {
 151     set_perm_by_flags (b_att[0]->text.start, 0);
 152     set_perm_by_flags (b_att[1]->text.start, 3);
 153     set_perm_by_flags (b_att[2]->text.start, 6);
 154 }
 155
 156 static mode_t get_perm (char *s, int base)
 157 {
 158     mode_t m;
 159
 160     m = 0;
 161     m |= (s[0] == '-') ? 0 :
 162         ((s[0] == '+') ? (mode_t)(1 << (base + 2)) : (1 << (base + 2)) & ch_cmode);
 163
 164     m |= (s[1] == '-') ? 0 :
 165         ((s[1] == '+') ? (mode_t)(1 << (base + 1)) : (1 << (base + 1)) & ch_cmode);
 166
 167     m |= (s[2] == '-') ? 0 :
 168         ((s[2] == '+') ? (mode_t)(1 << base) : (1 << base) & ch_cmode);
 169
 170     return m;
 171 }
 172
 173 static mode_t get_mode (void)
 174 {
 175     mode_t m;
 176
 177     m = ch_cmode ^ (ch_cmode & 0777);
 178     m |= get_perm (ch_flags, 6);
 179     m |= get_perm (ch_flags + 3, 3);
 180     m |= get_perm (ch_flags + 6, 0);
 181
 182     return m;
 183 }
 184
 185 static void print_flags (void)
 186 {
 187     int i;
 188
 189     tty_setcolor (COLOR_NORMAL);
 190
 191     for (i = 0; i < 3; i++){
 192         dlg_move (ch_dlg, BY+1, 9+i);
 193         tty_print_char (ch_flags [i]);
 194     }
 195
 196     for (i = 0; i < 3; i++){
 197         dlg_move (ch_dlg, BY + 1, 17 + i);
 198         tty_print_char (ch_flags [i+3]);
 199     }
 200
 201     for (i = 0; i < 3; i++){
 202         dlg_move (ch_dlg, BY + 1, 25 + i);
 203         tty_print_char (ch_flags [i+6]);
 204     }
 205
 206     update_permissions ();
 207
 208     for (i = 0; i < 15; i++){
 209         dlg_move (ch_dlg, BY+1, 35+i);
 210         tty_print_char (ch_flags[9]);
 211     }
 212     for (i = 0; i < 15; i++){
 213         dlg_move (ch_dlg, BY + 1, 53 + i);
 214         tty_print_char (ch_flags[10]);
 215     }
 216 }
 217
 218 static void update_mode (Dlg_head * h)
 219 {
 220     print_flags ();
 221     tty_setcolor (COLOR_NORMAL);
 222     dlg_move (h, BY + 2, 9);
 223     tty_printf ("%12o", get_mode ());
 224     send_message (h->current, WIDGET_FOCUS, 0);
 225 }
 226
 227 static cb_ret_t
 228 chl_callback (Dlg_head *h, dlg_msg_t msg, int parm)
 229 {
 230     switch (msg) {
 231     case DLG_KEY:
 232         switch (parm) {
 233         case KEY_LEFT:
 234         case KEY_RIGHT:
 235             h->ret_value = parm;
 236             dlg_stop (h);
 237         }
 238
 239     default:
 240         return default_dlg_callback (h, msg, parm);
 241     }
 242 }
 243
 244 static void
 245 do_enter_key (Dlg_head * h, int f_pos)
 246 {
 247     Dlg_head *chl_dlg;
 248     WListbox *chl_list;
 249     struct passwd *chl_pass;
 250     struct group *chl_grp;
 251     WLEntry *fe;
 252     int lxx, lyy, chl_end, b_pos;
 253     int is_owner;
 254     const char *title;
 255
 256     do {
 257         is_owner = (f_pos == 3);
 258         title = is_owner ? _("owner") : _("group");
 259
 260         lxx = (COLS - 74) / 2 + (is_owner ? 35 : 53);
 261         lyy = (LINES - 13) / 2;
 262         chl_end = 0;
 263
 264         chl_dlg =
 265             create_dlg (lyy, lxx, 13, 17, dialog_colors, chl_callback,
 266                         "[Advanced Chown]", title, DLG_COMPACT | DLG_REVERSE);
 267
 268         /* get new listboxes */
 269         chl_list = listbox_new (1, 1, 11, 15, NULL);
 270
 271         listbox_add_item (chl_list, LISTBOX_APPEND_AT_END, 0,
 272             "<Unknown>", NULL);
 273
 274         if (is_owner) {
 275             /* get and put user names in the listbox */
 276             setpwent ();
 277             while ((chl_pass = getpwent ())) {
 278                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0,
 279                     chl_pass->pw_name, NULL);
 280             }
 281             endpwent ();
 282             fe = listbox_search_text (chl_list,
 283                                       get_owner (sf_stat->st_uid));
 284         } else {
 285             /* get and put group names in the listbox */
 286             setgrent ();
 287             while ((chl_grp = getgrent ())) {
 288                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0,
 289                     chl_grp->gr_name, NULL);
 290             }
 291             endgrent ();
 292             fe = listbox_search_text (chl_list,
 293                                       get_group (sf_stat->st_gid));
 294         }
 295
 296         if (fe)
 297             listbox_select_entry (chl_list, fe);
 298
 299         b_pos = chl_list->pos;
 300         add_widget (chl_dlg, chl_list);
 301
 302         run_dlg (chl_dlg);
 303
 304         if (b_pos != chl_list->pos) {
 305             int ok = 0;
 306             if (is_owner) {
 307                 chl_pass = getpwnam (chl_list->current->text);
 308                 if (chl_pass) {
 309                     ok = 1;
 310                     sf_stat->st_uid = chl_pass->pw_uid;
 311                 }
 312             } else {
 313                 chl_grp = getgrnam (chl_list->current->text);
 314                 if (chl_grp) {
 315                     sf_stat->st_gid = chl_grp->gr_gid;
 316                     ok = 1;
 317                 }
 318             }
 319             if (ok) {
 320                 ch_flags[f_pos + 6] = '+';
 321                 update_ownership ();
 322             }
 323             dlg_focus (h);
 324             if (ok)
 325                 print_flags ();
 326         }
 327         if (chl_dlg->ret_value == KEY_LEFT) {
 328             if (!is_owner)
 329                 chl_end = 1;
 330             dlg_one_up (ch_dlg);
 331             f_pos--;
 332         } else if (chl_dlg->ret_value == KEY_RIGHT) {
 333             if (is_owner)
 334                 chl_end = 1;
 335             dlg_one_down (ch_dlg);
 336             f_pos++;
 337         }
 338         /* Here we used to redraw the window */
 339         destroy_dlg (chl_dlg);
 340     } while (chl_end);
 341 }
 342
 343 static void chown_refresh (void)
 344 {
 345     common_dialog_repaint (ch_dlg);
 346
 347     tty_setcolor (COLOR_NORMAL);
 348
 349     dlg_move (ch_dlg, BY - 1, 8);
 350     tty_print_string (_("owner"));
 351     dlg_move (ch_dlg, BY - 1, 16);
 352     tty_print_string (_("group"));
 353     dlg_move (ch_dlg, BY - 1, 24);
 354     tty_print_string (_("other"));
 355
 356     dlg_move (ch_dlg, BY - 1, 35);
 357     tty_print_string (_("owner"));
 358     dlg_move (ch_dlg, BY - 1, 53);
 359     tty_print_string (_("group"));
 360
 361     dlg_move (ch_dlg, 3, 4);
 362     tty_print_string (_("On"));
 363     dlg_move (ch_dlg, BY + 1, 4);
 364     tty_print_string (_("Flag"));
 365     dlg_move (ch_dlg, BY + 2, 4);
 366     tty_print_string (_("Mode"));
 367
 368     if (!single_set){
 369         dlg_move (ch_dlg, 3, 54);
 370         tty_printf (_("%6d of %d"),
 371             files_on_begin - (current_panel->marked) + 1,
 372             files_on_begin);
 373     }
 374
 375     print_flags ();
 376 }
 377
 378 static void chown_info_update (void)
 379 {
 380     /* display file info */
 381     tty_setcolor (COLOR_NORMAL);
 382
 383     /* name && mode */
 384     dlg_move (ch_dlg, 3, 8);
 385     tty_print_string (str_fit_to_term (fname, 45, J_LEFT_FIT));
 386     dlg_move (ch_dlg, BY + 2, 9);
 387     tty_printf ("%12o", get_mode ());
 388
 389     /* permissions */
 390     update_permissions ();
 391 }
 392
 393 static void b_setpos (int f_pos) {
 394         b_att[0]->hotpos=-1;
 395         b_att[1]->hotpos=-1;
 396         b_att[2]->hotpos=-1;
 397         b_att[f_pos]->hotpos = (flag_pos % 3);
 398 }
 399
 400 static cb_ret_t
 401 advanced_chown_callback (Dlg_head *h, dlg_msg_t msg, int parm)
 402 {
 403     int i = 0, f_pos = BUTTONS - h->current->dlg_id - single_set - 1;
 404
 405     switch (msg) {
 406     case DLG_DRAW:
 407         chown_refresh ();
 408         chown_info_update ();
 409         return MSG_HANDLED;
 410
 411     case DLG_POST_KEY:
 412         if (f_pos < 3)
 413             b_setpos (f_pos);
 414         return MSG_HANDLED;
 415
 416     case DLG_FOCUS:
 417         if (f_pos < 3) {
 418             if ((flag_pos / 3) != f_pos)
 419                 flag_pos = f_pos * 3;
 420             b_setpos (f_pos);
 421         } else if (f_pos < 5)
 422             flag_pos = f_pos + 6;
 423         return MSG_HANDLED;
 424
 425     case DLG_KEY:
 426         switch (parm) {
 427
 428         case XCTRL ('b'):
 429         case KEY_LEFT:
 430             if (f_pos < 5)
 431                 return (dec_flag_pos (f_pos));
 432             break;
 433
 434         case XCTRL ('f'):
 435         case KEY_RIGHT:
 436             if (f_pos < 5)
 437                 return (inc_flag_pos (f_pos));
 438             break;
 439
 440         case ' ':
 441             if (f_pos < 3)
 442                 return MSG_HANDLED;
 443             break;
 444
 445         case '\n':
 446         case KEY_ENTER:
 447             if (f_pos <= 2 || f_pos >= 5)
 448                 break;
 449             do_enter_key (h, f_pos);
 450             return MSG_HANDLED;
 451
 452         case ALT ('x'):
 453             i++;
 454
 455         case ALT ('w'):
 456             i++;
 457
 458         case ALT ('r'):
 459             parm = i + 3;
 460             for (i = 0; i < 3; i++)
 461                 ch_flags[i * 3 + parm - 3] =
 462                     (x_toggle & (1 << parm)) ? '-' : '+';
 463             x_toggle ^= (1 << parm);
 464             update_mode (h);
 465             dlg_broadcast_msg (h, WIDGET_DRAW, 0);
 466             send_message (h->current, WIDGET_FOCUS, 0);
 467             break;
 468
 469         case XCTRL ('x'):
 470             i++;
 471
 472         case XCTRL ('w'):
 473             i++;
 474
 475         case XCTRL ('r'):
 476             parm = i;
 477             for (i = 0; i < 3; i++)
 478                 ch_flags[i * 3 + parm] =
 479                     (x_toggle & (1 << parm)) ? '-' : '+';
 480             x_toggle ^= (1 << parm);
 481             update_mode (h);
 482             dlg_broadcast_msg (h, WIDGET_DRAW, 0);
 483             send_message (h->current, WIDGET_FOCUS, 0);
 484             break;
 485
 486         case 'x':
 487             i++;
 488
 489         case 'w':
 490             i++;
 491
 492         case 'r':
 493             if (f_pos > 2)
 494                 break;
 495             flag_pos = f_pos * 3 + i;   /* (strchr(ch_perm,parm)-ch_perm); */
 496             if (((WButton *) h->current)->text.start[(flag_pos % 3)] ==
 497                 '-')
 498                 ch_flags[flag_pos] = '+';
 499             else
 500                 ch_flags[flag_pos] = '-';
 501             update_mode (h);
 502             break;
 503
 504         case '4':
 505             i++;
 506
 507         case '2':
 508             i++;
 509
 510         case '1':
 511             if (f_pos > 2)
 512                 break;
 513             flag_pos = i + f_pos * 3;
 514             ch_flags[flag_pos] = '=';
 515             update_mode (h);
 516             break;
 517
 518         case '-':
 519             if (f_pos > 2)
 520                 break;
 521
 522         case '*':
 523             if (parm == '*')
 524                 parm = '=';
 525
 526         case '=':
 527         case '+':
 528             if (f_pos > 4)
 529                 break;
 530             ch_flags[flag_pos] = parm;
 531             update_mode (h);
 532             advanced_chown_callback (h, DLG_KEY, KEY_RIGHT);
 533             if (flag_pos > 8 || !(flag_pos % 3))
 534                 dlg_one_down (h);
 535
 536             break;
 537         }
 538         return MSG_NOT_HANDLED;
 539
 540     default:
 541         return default_dlg_callback (h, msg, parm);
 542     }
 543 }
 544
 545 static void
 546 init_chown_advanced (void)
 547 {
 548     int i;
 549     enum { dlg_h = 13, dlg_w = 74, n_elem = 4 };
 550 #ifdef ENABLE_NLS
 551     static int i18n_len = 0;
 552
 553     if (i18n_len == 0) {
 554         int dx, cx;
 555         for (i = 0 ; i < n_elem ; i++) {
 556             chown_advanced_but[i].text = _(chown_advanced_but[i].text);
 557             i18n_len += str_term_width1 (chown_advanced_but[i].text) + 3;
 558             if (DEFPUSH_BUTTON == chown_advanced_but[i].flags)
 559                 i18n_len += 2; /* "<>" */
 560         }
 561         cx = dx = (dlg_w - i18n_len - 2) / (n_elem + 1);
 562
 563         /* Reversed order */
 564         for (i = n_elem - 1; i >= 0; i--) {
 565             chown_advanced_but[i].x = cx;
 566             cx += str_term_width1 (chown_advanced_but[i].text) + 3 + dx;
 567         }
 568     }
 569 #endif /* ENABLE_NLS */
 570
 571     sf_stat = g_new (struct stat, 1);
 572     do_refresh ();
 573     end_chown = need_update = current_file = 0;
 574     single_set = (current_panel->marked < 2) ? 2 : 0;
 575     memset (ch_flags, '=', 11);
 576     flag_pos = 0;
 577     x_toggle = 070;
 578
 579     ch_dlg =
 580         create_dlg (0, 0, dlg_h, dlg_w, dialog_colors, advanced_chown_callback,
 581                     "[Advanced Chown]", _(" Chown advanced command "),
 582                     DLG_CENTER | DLG_REVERSE);
 583
 584 #define XTRACT(i) BY+chown_advanced_but[i].y, BX+chown_advanced_but[i].x, \
 585         chown_advanced_but[i].ret_cmd, chown_advanced_but[i].flags, \
 586         (chown_advanced_but[i].text), 0
 587
 588     for (i = 0; i < BUTTONS - 5; i++)
 589         if (!single_set || i < 2)
 590             add_widget (ch_dlg, button_new (XTRACT (i)));
 591
 592     b_att[0] = button_new (XTRACT (8));
 593     b_att[1] = button_new (XTRACT (7));
 594     b_att[2] = button_new (XTRACT (6));
 595     b_user = button_new (XTRACT (5));
 596     b_group = button_new (XTRACT (4));
 597
 598     add_widget (ch_dlg, b_group);
 599     add_widget (ch_dlg, b_user);
 600     add_widget (ch_dlg, b_att[2]);
 601     add_widget (ch_dlg, b_att[1]);
 602     add_widget (ch_dlg, b_att[0]);
 603 }
 604
 605 static void
 606 chown_advanced_done (void)
 607 {
 608     g_free (sf_stat);
 609     if (need_update)
 610         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 611     repaint_screen ();
 612 }
 613
 614 #if 0
 615 static void do_chown (uid_t u, gid_t g)
 616 {
 617     chown (current_panel->dir.list[current_file].fname, u, g);
 618     file_mark (current_panel, current_file, 0);
 619 }
 620 #endif
 621
 622 static char *next_file (void)
 623 {
 624     while (!current_panel->dir.list[current_file].f.marked)
 625         current_file++;
 626
 627     return current_panel->dir.list[current_file].fname;
 628 }
 629
 630 static void apply_advanced_chowns (struct stat *sf)
 631 {
 632     char *lc_fname;
 633     gid_t a_gid = sf->st_gid;
 634     uid_t a_uid = sf->st_uid;
 635
 636     lc_fname = current_panel->dir.list[current_file].fname;
 637     need_update = end_chown = 1;
 638     if (mc_chmod (lc_fname, get_mode ()) == -1)
 639         message (D_ERROR, MSG_ERROR, _(" Cannot chmod \"%s\" \n %s "),
 640                  lc_fname, unix_error_string (errno));
 641     /* call mc_chown only, if mc_chmod didn't fail */
 642     else if (mc_chown (lc_fname, (ch_flags[9] == '+') ? sf->st_uid : (uid_t) -1,
 643                        (ch_flags[10] == '+') ? sf->st_gid : (gid_t) -1) == -1)
 644         message (D_ERROR, MSG_ERROR, _(" Cannot chown \"%s\" \n %s "),
 645                  lc_fname, unix_error_string (errno));
 646     do_file_mark (current_panel, current_file, 0);
 647
 648     do {
 649         lc_fname = next_file ();
 650
 651         if (mc_stat (lc_fname, sf) != 0)
 652             break;
 653         ch_cmode = sf->st_mode;
 654         if (mc_chmod (lc_fname, get_mode ()) == -1)
 655             message (D_ERROR, MSG_ERROR, _(" Cannot chmod \"%s\" \n %s "),
 656                      lc_fname, unix_error_string (errno));
 657         /* call mc_chown only, if mc_chmod didn't fail */
 658         else if (mc_chown (lc_fname, (ch_flags[9] == '+') ? a_uid : (uid_t) -1,
 659                            (ch_flags[10] == '+') ? a_gid : (gid_t) -1) == -1)
 660             message (D_ERROR, MSG_ERROR, _(" Cannot chown \"%s\" \n %s "),
 661                      lc_fname, unix_error_string (errno));
 662
 663         do_file_mark (current_panel, current_file, 0);
 664     } while (current_panel->marked);
 665 }
 666
 667 void
 668 chown_advanced_cmd (void)
 669 {
 670
 671     files_on_begin = current_panel->marked;
 672
 673     do {                        /* do while any files remaining */
 674         init_chown_advanced ();
 675
 676         if (current_panel->marked)
 677             fname = next_file ();       /* next marked file */
 678         else
 679             fname = selection (current_panel)->fname;   /* single file */
 680
 681         if (mc_stat (fname, sf_stat) != 0) {    /* get status of file */
 682             destroy_dlg (ch_dlg);
 683             break;
 684         }
 685         ch_cmode = sf_stat->st_mode;
 686
 687         chown_refresh ();
 688
 689         update_ownership ();
 690
 691         /* game can begin */
 692         run_dlg (ch_dlg);
 693
 694         switch (ch_dlg->ret_value) {
 695         case B_CANCEL:
 696             end_chown = 1;
 697             break;
 698
 699         case B_ENTER:
 700             need_update = 1;
 701             if (mc_chmod (fname, get_mode ()) == -1)
 702                 message (D_ERROR, MSG_ERROR, _(" Cannot chmod \"%s\" \n %s "),
 703                          fname, unix_error_string (errno));
 704             /* call mc_chown only, if mc_chmod didn't fail */
 705             else if (mc_chown (fname, (ch_flags[9] == '+') ? sf_stat->st_uid : (uid_t) -1,
 706                                (ch_flags[10] == '+') ? sf_stat->st_gid : (gid_t) -1) == -1)
 707                 message (D_ERROR, MSG_ERROR, _(" Cannot chown \"%s\" \n %s "),
 708                          fname, unix_error_string (errno));
 709             break;
 710         case B_SETALL:
 711             apply_advanced_chowns (sf_stat);
 712             break;
 713
 714         case B_SKIP:
 715             break;
 716
 717         }
 718
 719         if (current_panel->marked && ch_dlg->ret_value != B_CANCEL) {
 720             do_file_mark (current_panel, current_file, 0);
 721             need_update = 1;
 722         }
 723         destroy_dlg (ch_dlg);
 724     } while (current_panel->marked && !end_chown);
 725
 726     chown_advanced_done ();
 727 }