src/filemanager/achown.c

   1 /*
   2    Chown-advanced command -- for the Midnight Commander
   3
   4    Copyright (C) 1994-2016
   5    Free Software Foundation, Inc.
   6
   7    This file is part of the Midnight Commander.
   8
   9    The Midnight Commander is free software: you can redistribute it
  10    and/or modify it under the terms of the GNU General Public License as
  11    published by the Free Software Foundation, either version 3 of the License,
  12    or (at your option) any later version.
  13
  14    The Midnight Commander is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 /** \file achown.c
  24  *  \brief Source: Contains functions for advanced chowning
  25  */
  26
  27 #include <config.h>
  28
  29 #include <errno.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32
  33 #include <sys/types.h>
  34 #include <sys/stat.h>
  35 #include <unistd.h>
  36 #include <pwd.h>
  37 #include <grp.h>
  38
  39 #include "lib/global.h"
  40
  41 #include "lib/tty/tty.h"
  42 #include "lib/tty/key.h"        /* XCTRL and ALT macros */
  43 #include "lib/skin.h"
  44 #include "lib/strutil.h"
  45 #include "lib/vfs/vfs.h"
  46 #include "lib/util.h"
  47 #include "lib/widget.h"
  48
  49 #include "dir.h"
  50 #include "midnight.h"           /* current_panel */
  51 #include "chmod.h"
  52
  53 #include "achown.h"
  54
  55 /*** global variables ****************************************************************************/
  56
  57 /*** file scope macro definitions ****************************************************************/
  58
  59 #define BX              5
  60 #define BY              5
  61
  62 #define BUTTONS         9
  63 #define BUTTONS_PERM    5
  64
  65 #define B_SETALL        B_USER
  66 #define B_SKIP          (B_USER + 1)
  67 #define B_OWN           (B_USER + 3)
  68 #define B_GRP           (B_USER + 4)
  69 #define B_OTH           (B_USER + 5)
  70 #define B_OUSER         (B_USER + 6)
  71 #define B_OGROUP        (B_USER + 7)
  72
  73 /*** file scope type declarations ****************************************************************/
  74
  75 /*** file scope variables ************************************************************************/
  76
  77 static WDialog *ch_dlg;
  78
  79 static struct
  80 {
  81     unsigned long id;
  82     int ret_cmd;
  83     button_flags_t flags;
  84     int x, len;
  85     const char *text;
  86 } chown_advanced_but[BUTTONS] =
  87 {
  88     /* *INDENT-OFF* */
  89     { 0, B_ENTER,  NARROW_BUTTON,   3, 0, "   "},
  90     { 0, B_ENTER,  NARROW_BUTTON,  11, 0, "   "},
  91     { 0, B_ENTER,  NARROW_BUTTON,  19, 0, "   "},
  92     { 0, B_ENTER,  NARROW_BUTTON,  29, 0, ""},
  93     { 0, B_ENTER,  NARROW_BUTTON,  47, 0, ""},
  94
  95     { 0, B_SETALL, NORMAL_BUTTON,   0, 0, N_("Set &all")},
  96     { 0, B_SKIP,   NORMAL_BUTTON,   0, 0, N_("S&kip") },
  97     { 0, B_ENTER,  DEFPUSH_BUTTON,  0, 0, N_("&Set") },
  98     { 0, B_CANCEL, NORMAL_BUTTON,   0, 0, N_("&Cancel") }
  99     /* *INDENT-ON* */
 100 };
 101
 102 static WButton *b_att[3];       /* permission */
 103 static WButton *b_user, *b_group;       /* owner */
 104 static WLabel *l_filename;
 105 static WLabel *l_mode;
 106
 107 static int flag_pos;
 108 static int x_toggle;
 109 static char ch_flags[11];
 110 static const char ch_perm[] = "rwx";
 111 static mode_t ch_cmode;
 112 static struct stat *sf_stat;
 113 static gboolean need_update = FALSE;
 114 static gboolean end_chown = FALSE;
 115 static int current_file;
 116 static gboolean single_set = FALSE;
 117 static char *fname;
 118
 119 /* --------------------------------------------------------------------------------------------- */
 120 /*** file scope functions ************************************************************************/
 121 /* --------------------------------------------------------------------------------------------- */
 122
 123 static void
 124 update_ownership (void)
 125 {
 126     button_set_text (b_user, get_owner (sf_stat->st_uid));
 127     button_set_text (b_group, get_group (sf_stat->st_gid));
 128 }
 129
 130 /* --------------------------------------------------------------------------------------------- */
 131
 132 static cb_ret_t
 133 inc_flag_pos (int f_pos)
 134 {
 135     if (flag_pos == 10)
 136     {
 137         flag_pos = 0;
 138         return MSG_NOT_HANDLED;
 139     }
 140     flag_pos++;
 141     if ((flag_pos % 3) == 0 || f_pos > 2)
 142         return MSG_NOT_HANDLED;
 143     return MSG_HANDLED;
 144 }
 145
 146 /* --------------------------------------------------------------------------------------------- */
 147
 148 static cb_ret_t
 149 dec_flag_pos (int f_pos)
 150 {
 151     if (flag_pos == 0)
 152     {
 153         flag_pos = 10;
 154         return MSG_NOT_HANDLED;
 155     }
 156     flag_pos--;
 157     if (((flag_pos + 1) % 3) == 0 || f_pos > 2)
 158         return MSG_NOT_HANDLED;
 159     return MSG_HANDLED;
 160 }
 161
 162 /* --------------------------------------------------------------------------------------------- */
 163
 164 static void
 165 set_perm_by_flags (char *s, int f_p)
 166 {
 167     int i;
 168
 169     for (i = 0; i < 3; i++)
 170     {
 171         if (ch_flags[f_p + i] == '+')
 172             s[i] = ch_perm[i];
 173         else if (ch_flags[f_p + i] == '-')
 174             s[i] = '-';
 175         else
 176             s[i] = (ch_cmode & (1 << (8 - f_p - i))) ? ch_perm[i] : '-';
 177     }
 178 }
 179
 180 /* --------------------------------------------------------------------------------------------- */
 181
 182 static void
 183 update_permissions (void)
 184 {
 185     set_perm_by_flags (b_att[0]->text.start, 0);
 186     set_perm_by_flags (b_att[1]->text.start, 3);
 187     set_perm_by_flags (b_att[2]->text.start, 6);
 188 }
 189
 190 /* --------------------------------------------------------------------------------------------- */
 191
 192 static mode_t
 193 get_perm (char *s, int base)
 194 {
 195     mode_t m;
 196
 197     m = 0;
 198     m |= (s[0] == '-') ? 0 :
 199         ((s[0] == '+') ? (mode_t) (1 << (base + 2)) : (1 << (base + 2)) & ch_cmode);
 200
 201     m |= (s[1] == '-') ? 0 :
 202         ((s[1] == '+') ? (mode_t) (1 << (base + 1)) : (1 << (base + 1)) & ch_cmode);
 203
 204     m |= (s[2] == '-') ? 0 : ((s[2] == '+') ? (mode_t) (1 << base) : (1 << base) & ch_cmode);
 205
 206     return m;
 207 }
 208
 209 /* --------------------------------------------------------------------------------------------- */
 210
 211 static mode_t
 212 get_mode (void)
 213 {
 214     mode_t m;
 215
 216     m = ch_cmode ^ (ch_cmode & 0777);
 217     m |= get_perm (ch_flags, 6);
 218     m |= get_perm (ch_flags + 3, 3);
 219     m |= get_perm (ch_flags + 6, 0);
 220
 221     return m;
 222 }
 223
 224 /* --------------------------------------------------------------------------------------------- */
 225
 226 static void
 227 print_flags (void)
 228 {
 229     int i;
 230
 231     tty_setcolor (COLOR_NORMAL);
 232
 233     for (i = 0; i < 3; i++)
 234     {
 235         widget_move (ch_dlg, BY + 1, 9 + i);
 236         tty_print_char (ch_flags[i]);
 237     }
 238
 239     for (i = 0; i < 3; i++)
 240     {
 241         widget_move (ch_dlg, BY + 1, 17 + i);
 242         tty_print_char (ch_flags[i + 3]);
 243     }
 244
 245     for (i = 0; i < 3; i++)
 246     {
 247         widget_move (ch_dlg, BY + 1, 25 + i);
 248         tty_print_char (ch_flags[i + 6]);
 249     }
 250
 251     update_permissions ();
 252
 253     for (i = 0; i < 15; i++)
 254     {
 255         widget_move (ch_dlg, BY + 1, 35 + i);
 256         tty_print_char (ch_flags[9]);
 257     }
 258     for (i = 0; i < 15; i++)
 259     {
 260         widget_move (ch_dlg, BY + 1, 53 + i);
 261         tty_print_char (ch_flags[10]);
 262     }
 263 }
 264
 265 /* --------------------------------------------------------------------------------------------- */
 266
 267 static void
 268 chown_info_update (void)
 269 {
 270     char buffer[BUF_SMALL];
 271
 272     /* mode */
 273     g_snprintf (buffer, sizeof (buffer), "Permissions (octal): %o", get_mode ());
 274     label_set_text (l_mode, buffer);
 275
 276     /* permissions */
 277     update_permissions ();
 278 }
 279
 280 /* --------------------------------------------------------------------------------------------- */
 281
 282 static void
 283 update_mode (WDialog * h)
 284 {
 285     print_flags ();
 286     chown_info_update ();
 287     send_message (h->current->data, NULL, MSG_FOCUS, 0, NULL);
 288 }
 289
 290 /* --------------------------------------------------------------------------------------------- */
 291
 292 static cb_ret_t
 293 chl_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
 294 {
 295     switch (msg)
 296     {
 297     case MSG_KEY:
 298         switch (parm)
 299         {
 300         case KEY_LEFT:
 301         case KEY_RIGHT:
 302             {
 303                 WDialog *h = DIALOG (w);
 304
 305                 h->ret_value = parm;
 306                 dlg_stop (h);
 307             }
 308         default:
 309             break;
 310         }
 311
 312     default:
 313         return dlg_default_callback (w, sender, msg, parm, data);
 314     }
 315 }
 316
 317 /* --------------------------------------------------------------------------------------------- */
 318
 319 static void
 320 do_enter_key (WDialog * h, int f_pos)
 321 {
 322     WListbox *chl_list;
 323     struct passwd *chl_pass;
 324     struct group *chl_grp;
 325     int fe;
 326     gboolean chl_end, is_owner;
 327
 328     do
 329     {
 330         int result;
 331         WDialog *chl_dlg;
 332         const char *title;
 333         int lxx, lyy, b_pos;
 334
 335         is_owner = (f_pos == 3);
 336         title = is_owner ? _("owner") : _("group");
 337
 338         lxx = (COLS - 74) / 2 + (is_owner ? 35 : 53);
 339         lyy = (LINES - 13) / 2;
 340         chl_end = FALSE;
 341
 342         chl_dlg =
 343             dlg_create (TRUE, lyy, lxx, 13, 17, dialog_colors, chl_callback, NULL,
 344                         "[Advanced Chown]", title, DLG_COMPACT);
 345
 346         /* get new listboxes */
 347         chl_list = listbox_new (1, 1, 11, 15, FALSE, NULL);
 348         listbox_add_item (chl_list, LISTBOX_APPEND_AT_END, 0, "<Unknown>", NULL, FALSE);
 349         if (is_owner)
 350         {
 351             /* get and put user names in the listbox */
 352             setpwent ();
 353             while ((chl_pass = getpwent ()) != NULL)
 354                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_pass->pw_name, NULL,
 355                                   FALSE);
 356             endpwent ();
 357             fe = listbox_search_text (chl_list, get_owner (sf_stat->st_uid));
 358         }
 359         else
 360         {
 361             /* get and put group names in the listbox */
 362             setgrent ();
 363             while ((chl_grp = getgrent ()) != NULL)
 364                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_grp->gr_name, NULL,
 365                                   FALSE);
 366             endgrent ();
 367             fe = listbox_search_text (chl_list, get_group (sf_stat->st_gid));
 368         }
 369
 370         listbox_select_entry (chl_list, fe);
 371
 372         b_pos = chl_list->pos;
 373         add_widget (chl_dlg, chl_list);
 374
 375         result = dlg_run (chl_dlg);
 376
 377         if (result != B_CANCEL)
 378         {
 379             if (b_pos != chl_list->pos)
 380             {
 381                 gboolean ok = FALSE;
 382                 char *text;
 383
 384                 listbox_get_current (chl_list, &text, NULL);
 385                 if (is_owner)
 386                 {
 387                     chl_pass = getpwnam (text);
 388                     if (chl_pass != NULL)
 389                     {
 390                         ok = TRUE;
 391                         sf_stat->st_uid = chl_pass->pw_uid;
 392                     }
 393                 }
 394                 else
 395                 {
 396                     chl_grp = getgrnam (text);
 397                     if (chl_grp != NULL)
 398                     {
 399                         sf_stat->st_gid = chl_grp->gr_gid;
 400                         ok = TRUE;
 401                     }
 402                 }
 403                 if (ok)
 404                 {
 405                     ch_flags[f_pos + 6] = '+';
 406                     update_ownership ();
 407                 }
 408                 dlg_focus (h);
 409                 if (ok)
 410                     print_flags ();
 411             }
 412             if (result == KEY_LEFT)
 413             {
 414                 if (!is_owner)
 415                     chl_end = TRUE;
 416                 dlg_one_up (ch_dlg);
 417                 f_pos--;
 418             }
 419             else if (result == KEY_RIGHT)
 420             {
 421                 if (is_owner)
 422                     chl_end = TRUE;
 423                 dlg_one_down (ch_dlg);
 424                 f_pos++;
 425             }
 426         }
 427
 428         /* Here we used to redraw the window */
 429         dlg_destroy (chl_dlg);
 430     }
 431     while (chl_end);
 432 }
 433
 434 /* --------------------------------------------------------------------------------------------- */
 435
 436 static void
 437 chown_refresh (void)
 438 {
 439     dlg_default_repaint (ch_dlg);
 440
 441     tty_setcolor (COLOR_NORMAL);
 442
 443     widget_move (ch_dlg, BY - 1, 8);
 444     tty_print_string (_("owner"));
 445     widget_move (ch_dlg, BY - 1, 16);
 446     tty_print_string (_("group"));
 447     widget_move (ch_dlg, BY - 1, 24);
 448     tty_print_string (_("other"));
 449
 450     widget_move (ch_dlg, BY - 1, 35);
 451     tty_print_string (_("owner"));
 452     widget_move (ch_dlg, BY - 1, 53);
 453     tty_print_string (_("group"));
 454
 455     widget_move (ch_dlg, BY + 1, 3);
 456     tty_print_string (_("Flag"));
 457
 458     print_flags ();
 459 }
 460
 461 /* --------------------------------------------------------------------------------------------- */
 462
 463 static void
 464 b_setpos (int f_pos)
 465 {
 466     b_att[0]->hotpos = -1;
 467     b_att[1]->hotpos = -1;
 468     b_att[2]->hotpos = -1;
 469     b_att[f_pos]->hotpos = (flag_pos % 3);
 470 }
 471
 472 /* --------------------------------------------------------------------------------------------- */
 473
 474 static cb_ret_t
 475 advanced_chown_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
 476 {
 477     WDialog *h = DIALOG (w);
 478     int i;
 479     int f_pos;
 480     unsigned long id;
 481
 482     id = dlg_get_current_widget_id (h);
 483
 484     for (i = 0; i < BUTTONS_PERM; i++)
 485         if (chown_advanced_but[i].id == id)
 486             break;
 487
 488     f_pos = i;
 489     i = 0;
 490
 491     switch (msg)
 492     {
 493     case MSG_DRAW:
 494         chown_refresh ();
 495         chown_info_update ();
 496         return MSG_HANDLED;
 497
 498     case MSG_POST_KEY:
 499         if (f_pos < 3)
 500             b_setpos (f_pos);
 501         return MSG_HANDLED;
 502
 503     case MSG_FOCUS:
 504         if (f_pos < 3)
 505         {
 506             if ((flag_pos / 3) != f_pos)
 507                 flag_pos = f_pos * 3;
 508             b_setpos (f_pos);
 509         }
 510         else if (f_pos < BUTTONS_PERM)
 511             flag_pos = f_pos + 6;
 512         return MSG_HANDLED;
 513
 514     case MSG_KEY:
 515         switch (parm)
 516         {
 517         case XCTRL ('b'):
 518         case KEY_LEFT:
 519             if (f_pos < BUTTONS_PERM)
 520                 return (dec_flag_pos (f_pos));
 521             break;
 522
 523         case XCTRL ('f'):
 524         case KEY_RIGHT:
 525             if (f_pos < BUTTONS_PERM)
 526                 return (inc_flag_pos (f_pos));
 527             break;
 528
 529         case ' ':
 530             if (f_pos < 3)
 531                 return MSG_HANDLED;
 532             break;
 533
 534         case '\n':
 535         case KEY_ENTER:
 536             if (f_pos <= 2 || f_pos >= BUTTONS_PERM)
 537                 break;
 538             do_enter_key (h, f_pos);
 539             return MSG_HANDLED;
 540
 541         case ALT ('x'):
 542             i++;
 543
 544         case ALT ('w'):
 545             i++;
 546
 547         case ALT ('r'):
 548             parm = i + 3;
 549             for (i = 0; i < 3; i++)
 550                 ch_flags[i * 3 + parm - 3] = (x_toggle & (1 << parm)) ? '-' : '+';
 551             x_toggle ^= (1 << parm);
 552             update_mode (h);
 553             dlg_broadcast_msg (h, MSG_DRAW);
 554             send_message (h->current->data, NULL, MSG_FOCUS, 0, NULL);
 555             break;
 556
 557         case XCTRL ('x'):
 558             i++;
 559
 560         case XCTRL ('w'):
 561             i++;
 562
 563         case XCTRL ('r'):
 564             parm = i;
 565             for (i = 0; i < 3; i++)
 566                 ch_flags[i * 3 + parm] = (x_toggle & (1 << parm)) ? '-' : '+';
 567             x_toggle ^= (1 << parm);
 568             update_mode (h);
 569             dlg_broadcast_msg (h, MSG_DRAW);
 570             send_message (h->current->data, NULL, MSG_FOCUS, 0, NULL);
 571             break;
 572
 573         case 'x':
 574             i++;
 575
 576         case 'w':
 577             i++;
 578
 579         case 'r':
 580             if (f_pos > 2)
 581                 break;
 582             flag_pos = f_pos * 3 + i;   /* (strchr(ch_perm,parm)-ch_perm); */
 583             if (BUTTON (h->current->data)->text.start[(flag_pos % 3)] == '-')
 584                 ch_flags[flag_pos] = '+';
 585             else
 586                 ch_flags[flag_pos] = '-';
 587             update_mode (h);
 588             break;
 589
 590         case '4':
 591             i++;
 592
 593         case '2':
 594             i++;
 595
 596         case '1':
 597             if (f_pos <= 2)
 598             {
 599                 flag_pos = i + f_pos * 3;
 600                 ch_flags[flag_pos] = '=';
 601                 update_mode (h);
 602             }
 603             break;
 604
 605         case '-':
 606             if (f_pos > 2)
 607                 break;
 608
 609         case '*':
 610             if (parm == '*')
 611                 parm = '=';
 612
 613         case '=':
 614         case '+':
 615             if (f_pos <= 4)
 616             {
 617                 ch_flags[flag_pos] = parm;
 618                 update_mode (h);
 619                 send_message (h, sender, MSG_KEY, KEY_RIGHT, NULL);
 620                 if (flag_pos > 8 || (flag_pos % 3) == 0)
 621                     dlg_one_down (h);
 622             }
 623             break;
 624
 625         default:
 626             break;
 627         }
 628         return MSG_NOT_HANDLED;
 629
 630     default:
 631         return dlg_default_callback (w, sender, msg, parm, data);
 632     }
 633 }
 634
 635 /* --------------------------------------------------------------------------------------------- */
 636
 637 static void
 638 init_chown_advanced (void)
 639 {
 640     int i;
 641     int dlg_h = 12;
 642     int dlg_w = 74;
 643     int y;
 644
 645     static gboolean i18n = FALSE;
 646
 647     if (!i18n)
 648     {
 649         for (i = BUTTONS_PERM; i < BUTTONS; i++)
 650         {
 651 #ifdef ENABLE_NLS
 652             chown_advanced_but[i].text = _(chown_advanced_but[i].text);
 653 #endif /* ENABLE_NLS */
 654
 655             chown_advanced_but[i].len = str_term_width1 (chown_advanced_but[i].text) + 3;
 656             if (chown_advanced_but[i].flags == DEFPUSH_BUTTON)
 657                 chown_advanced_but[i].len += 2; /* "<>" */
 658         }
 659
 660         i18n = TRUE;
 661     }
 662
 663     do_refresh ();
 664
 665     sf_stat = g_new (struct stat, 1);
 666     current_file = 0;
 667     end_chown = need_update = FALSE;
 668     single_set = (current_panel->marked < 2);
 669     memset (ch_flags, '=', 11);
 670     flag_pos = 0;
 671     x_toggle = 070;
 672
 673     if (!single_set)
 674         dlg_h += 2;
 675
 676     ch_dlg =
 677         dlg_create (TRUE, 0, 0, dlg_h, dlg_w, dialog_colors, advanced_chown_callback, NULL,
 678                     "[Advanced Chown]", _("Chown advanced command"), DLG_CENTER);
 679
 680
 681     l_filename = label_new (2, 3, "");
 682     add_widget (ch_dlg, l_filename);
 683
 684     add_widget (ch_dlg, hline_new (3, -1, -1));
 685
 686 #define XTRACT(i,y) y, BX+chown_advanced_but[i].x, \
 687         chown_advanced_but[i].ret_cmd, chown_advanced_but[i].flags, \
 688         (chown_advanced_but[i].text), NULL
 689     b_att[0] = button_new (XTRACT (0, BY));
 690     chown_advanced_but[0].id = add_widget (ch_dlg, b_att[0]);
 691     b_att[1] = button_new (XTRACT (1, BY));
 692     chown_advanced_but[1].id = add_widget (ch_dlg, b_att[1]);
 693     b_att[2] = button_new (XTRACT (2, BY));
 694     chown_advanced_but[2].id = add_widget (ch_dlg, b_att[2]);
 695     b_user = button_new (XTRACT (3, BY));
 696     chown_advanced_but[3].id = add_widget (ch_dlg, b_user);
 697     b_group = button_new (XTRACT (4, BY));
 698     chown_advanced_but[4].id = add_widget (ch_dlg, b_group);
 699 #undef XTRACT
 700
 701     l_mode = label_new (BY + 2, 3, "");
 702     add_widget (ch_dlg, l_mode);
 703
 704     y = BY + 3;
 705     if (!single_set)
 706     {
 707         i = BUTTONS_PERM;
 708         add_widget (ch_dlg, hline_new (y++, -1, -1));
 709         chown_advanced_but[i].id = add_widget (ch_dlg,
 710                                                button_new (y,
 711                                                            WIDGET (ch_dlg)->cols / 2 -
 712                                                            chown_advanced_but[i].len,
 713                                                            chown_advanced_but[i].ret_cmd,
 714                                                            chown_advanced_but[i].flags,
 715                                                            chown_advanced_but[i].text, NULL));
 716         i++;
 717         chown_advanced_but[i].id = add_widget (ch_dlg,
 718                                                button_new (y, WIDGET (ch_dlg)->cols / 2 + 1,
 719                                                            chown_advanced_but[i].ret_cmd,
 720                                                            chown_advanced_but[i].flags,
 721                                                            chown_advanced_but[i].text, NULL));
 722         y++;
 723     }
 724
 725     i = BUTTONS_PERM + 2;
 726     add_widget (ch_dlg, hline_new (y++, -1, -1));
 727     chown_advanced_but[i].id = add_widget (ch_dlg,
 728                                            button_new (y,
 729                                                        WIDGET (ch_dlg)->cols / 2 -
 730                                                        chown_advanced_but[i].len,
 731                                                        chown_advanced_but[i].ret_cmd,
 732                                                        chown_advanced_but[i].flags,
 733                                                        chown_advanced_but[i].text, NULL));
 734     i++;
 735     chown_advanced_but[i].id = add_widget (ch_dlg,
 736                                            button_new (y, WIDGET (ch_dlg)->cols / 2 + 1,
 737                                                        chown_advanced_but[i].ret_cmd,
 738                                                        chown_advanced_but[i].flags,
 739                                                        chown_advanced_but[i].text, NULL));
 740
 741     dlg_select_widget (b_att[0]);
 742 }
 743
 744 /* --------------------------------------------------------------------------------------------- */
 745
 746 static void
 747 chown_advanced_done (void)
 748 {
 749     g_free (sf_stat);
 750     if (need_update)
 751         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 752     repaint_screen ();
 753 }
 754
 755 /* --------------------------------------------------------------------------------------------- */
 756
 757 #if 0
 758 static void
 759 do_chown (uid_t u, gid_t g)
 760 {
 761     chown (current_panel->dir.list[current_file].fname, u, g);
 762     file_mark (current_panel, current_file, 0);
 763 }
 764 #endif
 765
 766 /* --------------------------------------------------------------------------------------------- */
 767
 768 static char *
 769 next_file (void)
 770 {
 771     while (!current_panel->dir.list[current_file].f.marked)
 772         current_file++;
 773
 774     return current_panel->dir.list[current_file].fname;
 775 }
 776
 777 /* --------------------------------------------------------------------------------------------- */
 778
 779 static void
 780 apply_advanced_chowns (struct stat *sf)
 781 {
 782     vfs_path_t *vpath;
 783     char *lc_fname;
 784     gid_t a_gid = sf->st_gid;
 785     uid_t a_uid = sf->st_uid;
 786
 787     lc_fname = current_panel->dir.list[current_file].fname;
 788     vpath = vfs_path_from_str (lc_fname);
 789     need_update = end_chown = TRUE;
 790     if (mc_chmod (vpath, get_mode ()) == -1)
 791         message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 792                  lc_fname, unix_error_string (errno));
 793     /* call mc_chown only, if mc_chmod didn't fail */
 794     else if (mc_chown (vpath, (ch_flags[9] == '+') ? sf->st_uid : (uid_t) (-1),
 795                        (ch_flags[10] == '+') ? sf->st_gid : (gid_t) (-1)) == -1)
 796         message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 797                  lc_fname, unix_error_string (errno));
 798     do_file_mark (current_panel, current_file, 0);
 799     vfs_path_free (vpath);
 800
 801     do
 802     {
 803         lc_fname = next_file ();
 804         vpath = vfs_path_from_str (lc_fname);
 805
 806         if (mc_stat (vpath, sf) != 0)
 807         {
 808             vfs_path_free (vpath);
 809             break;
 810         }
 811
 812         ch_cmode = sf->st_mode;
 813
 814         if (mc_chmod (vpath, get_mode ()) == -1)
 815             message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 816                      lc_fname, unix_error_string (errno));
 817         /* call mc_chown only, if mc_chmod didn't fail */
 818         else if (mc_chown (vpath, (ch_flags[9] == '+') ? a_uid : (uid_t) (-1),
 819                            (ch_flags[10] == '+') ? a_gid : (gid_t) (-1)) == -1)
 820             message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 821                      lc_fname, unix_error_string (errno));
 822
 823         do_file_mark (current_panel, current_file, 0);
 824         vfs_path_free (vpath);
 825     }
 826     while (current_panel->marked != 0);
 827 }
 828
 829 /* --------------------------------------------------------------------------------------------- */
 830 /*** public functions ****************************************************************************/
 831 /* --------------------------------------------------------------------------------------------- */
 832
 833 void
 834 chown_advanced_cmd (void)
 835 {
 836     /* Number of files at startup */
 837     int files_on_begin;
 838
 839     files_on_begin = MAX (1, current_panel->marked);
 840
 841     do
 842     {                           /* do while any files remaining */
 843         int file_idx;
 844         char buffer[BUF_MEDIUM];
 845         vfs_path_t *vpath;
 846         int result;
 847
 848         init_chown_advanced ();
 849
 850         if (current_panel->marked)
 851             fname = next_file ();       /* next marked file */
 852         else
 853             fname = selection (current_panel)->fname;   /* single file */
 854         vpath = vfs_path_from_str (fname);
 855
 856         if (mc_stat (vpath, sf_stat) != 0)
 857         {                       /* get status of file */
 858             dlg_destroy (ch_dlg);
 859             vfs_path_free (vpath);
 860             break;
 861         }
 862
 863         ch_cmode = sf_stat->st_mode;
 864
 865         file_idx = files_on_begin == 1 ? 1 : (files_on_begin - current_panel->marked + 1);
 866         g_snprintf (buffer, sizeof (buffer), "%s (%d/%d)",
 867                     str_fit_to_term (fname, WIDGET (ch_dlg)->cols - 20, J_LEFT_FIT),
 868                     file_idx, files_on_begin);
 869         label_set_text (l_filename, buffer);
 870         chown_refresh ();
 871         update_ownership ();
 872
 873         result = dlg_run (ch_dlg);
 874
 875         switch (result)
 876         {
 877         case B_CANCEL:
 878             end_chown = TRUE;
 879             break;
 880
 881         case B_ENTER:
 882             need_update = TRUE;
 883             if (mc_chmod (vpath, get_mode ()) == -1)
 884                 message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 885                          fname, unix_error_string (errno));
 886             /* call mc_chown only, if mc_chmod didn't fail */
 887             else if (mc_chown
 888                      (vpath, (ch_flags[9] == '+') ? sf_stat->st_uid : (uid_t) (-1),
 889                       (ch_flags[10] == '+') ? sf_stat->st_gid : (gid_t) (-1)) == -1)
 890                 message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"), fname,
 891                          unix_error_string (errno));
 892             break;
 893
 894         case B_SETALL:
 895             apply_advanced_chowns (sf_stat);
 896             break;
 897
 898         case B_SKIP:
 899         default:
 900             break;
 901         }
 902
 903         if (current_panel->marked && result != B_CANCEL)
 904         {
 905             do_file_mark (current_panel, current_file, 0);
 906             need_update = TRUE;
 907         }
 908         dlg_destroy (ch_dlg);
 909         vfs_path_free (vpath);
 910     }
 911     while (current_panel->marked && !end_chown);
 912
 913     chown_advanced_done ();
 914 }
 915
 916 /* --------------------------------------------------------------------------------------------- */