src/filemanager/achown.c

   1 /*
   2    Chown-advanced command -- for the Midnight Commander
   3
   4    Copyright (C) 1994-2015
   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 struct WDialog *ch_dlg;
  78
  79 static struct
  80 {
  81     unsigned long id;
  82     int ret_cmd, flags, x, len;
  83     const char *text;
  84 } chown_advanced_but[BUTTONS] =
  85 {
  86     /* *INDENT-OFF* */
  87     { 0, B_ENTER,  NARROW_BUTTON,   3, 0, "   "},
  88     { 0, B_ENTER,  NARROW_BUTTON,  11, 0, "   "},
  89     { 0, B_ENTER,  NARROW_BUTTON,  19, 0, "   "},
  90     { 0, B_ENTER,  NARROW_BUTTON,  29, 0, ""},
  91     { 0, B_ENTER,  NARROW_BUTTON,  47, 0, ""},
  92
  93     { 0, B_SETALL, NORMAL_BUTTON,   0, 0, N_("Set &all")},
  94     { 0, B_SKIP,   NORMAL_BUTTON,   0, 0, N_("S&kip") },
  95     { 0, B_ENTER,  DEFPUSH_BUTTON,  0, 0, N_("&Set") },
  96     { 0, B_CANCEL, NORMAL_BUTTON,   0, 0, N_("&Cancel") }
  97     /* *INDENT-ON* */
  98 };
  99
 100 static WButton *b_att[3];       /* permission */
 101 static WButton *b_user, *b_group;       /* owner */
 102 static WLabel *l_filename;
 103 static WLabel *l_mode;
 104
 105 static int flag_pos;
 106 static int x_toggle;
 107 static char ch_flags[11];
 108 static const char ch_perm[] = "rwx";
 109 static mode_t ch_cmode;
 110 static struct stat *sf_stat;
 111 static gboolean need_update = FALSE;
 112 static gboolean end_chown = FALSE;
 113 static int current_file;
 114 static gboolean single_set = FALSE;
 115 static char *fname;
 116
 117 /* --------------------------------------------------------------------------------------------- */
 118 /*** file scope functions ************************************************************************/
 119 /* --------------------------------------------------------------------------------------------- */
 120
 121 static void
 122 update_ownership (void)
 123 {
 124     button_set_text (b_user, get_owner (sf_stat->st_uid));
 125     button_set_text (b_group, get_group (sf_stat->st_gid));
 126 }
 127
 128 /* --------------------------------------------------------------------------------------------- */
 129
 130 static cb_ret_t
 131 inc_flag_pos (int f_pos)
 132 {
 133     if (flag_pos == 10)
 134     {
 135         flag_pos = 0;
 136         return MSG_NOT_HANDLED;
 137     }
 138     flag_pos++;
 139     if ((flag_pos % 3) == 0 || f_pos > 2)
 140         return MSG_NOT_HANDLED;
 141     return MSG_HANDLED;
 142 }
 143
 144 /* --------------------------------------------------------------------------------------------- */
 145
 146 static cb_ret_t
 147 dec_flag_pos (int f_pos)
 148 {
 149     if (flag_pos == 0)
 150     {
 151         flag_pos = 10;
 152         return MSG_NOT_HANDLED;
 153     }
 154     flag_pos--;
 155     if (((flag_pos + 1) % 3) == 0 || f_pos > 2)
 156         return MSG_NOT_HANDLED;
 157     return MSG_HANDLED;
 158 }
 159
 160 /* --------------------------------------------------------------------------------------------- */
 161
 162 static void
 163 set_perm_by_flags (char *s, int f_p)
 164 {
 165     int i;
 166
 167     for (i = 0; i < 3; i++)
 168     {
 169         if (ch_flags[f_p + i] == '+')
 170             s[i] = ch_perm[i];
 171         else if (ch_flags[f_p + i] == '-')
 172             s[i] = '-';
 173         else
 174             s[i] = (ch_cmode & (1 << (8 - f_p - i))) ? ch_perm[i] : '-';
 175     }
 176 }
 177
 178 /* --------------------------------------------------------------------------------------------- */
 179
 180 static void
 181 update_permissions (void)
 182 {
 183     set_perm_by_flags (b_att[0]->text.start, 0);
 184     set_perm_by_flags (b_att[1]->text.start, 3);
 185     set_perm_by_flags (b_att[2]->text.start, 6);
 186 }
 187
 188 /* --------------------------------------------------------------------------------------------- */
 189
 190 static mode_t
 191 get_perm (char *s, int base)
 192 {
 193     mode_t m;
 194
 195     m = 0;
 196     m |= (s[0] == '-') ? 0 :
 197         ((s[0] == '+') ? (mode_t) (1 << (base + 2)) : (1 << (base + 2)) & ch_cmode);
 198
 199     m |= (s[1] == '-') ? 0 :
 200         ((s[1] == '+') ? (mode_t) (1 << (base + 1)) : (1 << (base + 1)) & ch_cmode);
 201
 202     m |= (s[2] == '-') ? 0 : ((s[2] == '+') ? (mode_t) (1 << base) : (1 << base) & ch_cmode);
 203
 204     return m;
 205 }
 206
 207 /* --------------------------------------------------------------------------------------------- */
 208
 209 static mode_t
 210 get_mode (void)
 211 {
 212     mode_t m;
 213
 214     m = ch_cmode ^ (ch_cmode & 0777);
 215     m |= get_perm (ch_flags, 6);
 216     m |= get_perm (ch_flags + 3, 3);
 217     m |= get_perm (ch_flags + 6, 0);
 218
 219     return m;
 220 }
 221
 222 /* --------------------------------------------------------------------------------------------- */
 223
 224 static void
 225 print_flags (void)
 226 {
 227     int i;
 228
 229     tty_setcolor (COLOR_NORMAL);
 230
 231     for (i = 0; i < 3; i++)
 232     {
 233         widget_move (ch_dlg, BY + 1, 9 + i);
 234         tty_print_char (ch_flags[i]);
 235     }
 236
 237     for (i = 0; i < 3; i++)
 238     {
 239         widget_move (ch_dlg, BY + 1, 17 + i);
 240         tty_print_char (ch_flags[i + 3]);
 241     }
 242
 243     for (i = 0; i < 3; i++)
 244     {
 245         widget_move (ch_dlg, BY + 1, 25 + i);
 246         tty_print_char (ch_flags[i + 6]);
 247     }
 248
 249     update_permissions ();
 250
 251     for (i = 0; i < 15; i++)
 252     {
 253         widget_move (ch_dlg, BY + 1, 35 + i);
 254         tty_print_char (ch_flags[9]);
 255     }
 256     for (i = 0; i < 15; i++)
 257     {
 258         widget_move (ch_dlg, BY + 1, 53 + i);
 259         tty_print_char (ch_flags[10]);
 260     }
 261 }
 262
 263 /* --------------------------------------------------------------------------------------------- */
 264
 265 static void
 266 chown_info_update (void)
 267 {
 268     char buffer[BUF_SMALL];
 269
 270     /* mode */
 271     g_snprintf (buffer, sizeof (buffer), "Permissions (octal): %o", get_mode ());
 272     label_set_text (l_mode, buffer);
 273
 274     /* permissions */
 275     update_permissions ();
 276 }
 277
 278 /* --------------------------------------------------------------------------------------------- */
 279
 280 static void
 281 update_mode (WDialog * h)
 282 {
 283     print_flags ();
 284     chown_info_update ();
 285     send_message (h->current->data, NULL, MSG_FOCUS, 0, NULL);
 286 }
 287
 288 /* --------------------------------------------------------------------------------------------- */
 289
 290 static cb_ret_t
 291 chl_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
 292 {
 293     switch (msg)
 294     {
 295     case MSG_KEY:
 296         switch (parm)
 297         {
 298         case KEY_LEFT:
 299         case KEY_RIGHT:
 300             {
 301                 WDialog *h = DIALOG (w);
 302
 303                 h->ret_value = parm;
 304                 dlg_stop (h);
 305             }
 306         default:
 307             break;
 308         }
 309
 310     default:
 311         return dlg_default_callback (w, sender, msg, parm, data);
 312     }
 313 }
 314
 315 /* --------------------------------------------------------------------------------------------- */
 316
 317 static void
 318 do_enter_key (WDialog * h, int f_pos)
 319 {
 320     WListbox *chl_list;
 321     struct passwd *chl_pass;
 322     struct group *chl_grp;
 323     int fe;
 324     gboolean chl_end, is_owner;
 325
 326     do
 327     {
 328         int result;
 329         WDialog *chl_dlg;
 330         const char *title;
 331         int lxx, lyy, b_pos;
 332
 333         is_owner = (f_pos == 3);
 334         title = is_owner ? _("owner") : _("group");
 335
 336         lxx = (COLS - 74) / 2 + (is_owner ? 35 : 53);
 337         lyy = (LINES - 13) / 2;
 338         chl_end = FALSE;
 339
 340         chl_dlg =
 341             dlg_create (TRUE, lyy, lxx, 13, 17, dialog_colors, chl_callback, NULL,
 342                         "[Advanced Chown]", title, DLG_COMPACT);
 343
 344         /* get new listboxes */
 345         chl_list = listbox_new (1, 1, 11, 15, FALSE, NULL);
 346         listbox_add_item (chl_list, LISTBOX_APPEND_AT_END, 0, "<Unknown>", NULL);
 347         if (is_owner)
 348         {
 349             /* get and put user names in the listbox */
 350             setpwent ();
 351             while ((chl_pass = getpwent ()) != NULL)
 352                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_pass->pw_name, NULL);
 353             endpwent ();
 354             fe = listbox_search_text (chl_list, get_owner (sf_stat->st_uid));
 355         }
 356         else
 357         {
 358             /* get and put group names in the listbox */
 359             setgrent ();
 360             while ((chl_grp = getgrent ()) != NULL)
 361                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_grp->gr_name, NULL);
 362             endgrent ();
 363             fe = listbox_search_text (chl_list, get_group (sf_stat->st_gid));
 364         }
 365
 366         listbox_select_entry (chl_list, fe);
 367
 368         b_pos = chl_list->pos;
 369         add_widget (chl_dlg, chl_list);
 370
 371         result = dlg_run (chl_dlg);
 372
 373         if (result != B_CANCEL)
 374         {
 375             if (b_pos != chl_list->pos)
 376             {
 377                 gboolean ok = FALSE;
 378                 char *text;
 379
 380                 listbox_get_current (chl_list, &text, NULL);
 381                 if (is_owner)
 382                 {
 383                     chl_pass = getpwnam (text);
 384                     if (chl_pass != NULL)
 385                     {
 386                         ok = TRUE;
 387                         sf_stat->st_uid = chl_pass->pw_uid;
 388                     }
 389                 }
 390                 else
 391                 {
 392                     chl_grp = getgrnam (text);
 393                     if (chl_grp != NULL)
 394                     {
 395                         sf_stat->st_gid = chl_grp->gr_gid;
 396                         ok = TRUE;
 397                     }
 398                 }
 399                 if (ok)
 400                 {
 401                     ch_flags[f_pos + 6] = '+';
 402                     update_ownership ();
 403                 }
 404                 dlg_focus (h);
 405                 if (ok)
 406                     print_flags ();
 407             }
 408             if (result == KEY_LEFT)
 409             {
 410                 if (!is_owner)
 411                     chl_end = TRUE;
 412                 dlg_one_up (ch_dlg);
 413                 f_pos--;
 414             }
 415             else if (result == KEY_RIGHT)
 416             {
 417                 if (is_owner)
 418                     chl_end = TRUE;
 419                 dlg_one_down (ch_dlg);
 420                 f_pos++;
 421             }
 422         }
 423
 424         /* Here we used to redraw the window */
 425         dlg_destroy (chl_dlg);
 426     }
 427     while (chl_end);
 428 }
 429
 430 /* --------------------------------------------------------------------------------------------- */
 431
 432 static void
 433 chown_refresh (void)
 434 {
 435     dlg_default_repaint (ch_dlg);
 436
 437     tty_setcolor (COLOR_NORMAL);
 438
 439     widget_move (ch_dlg, BY - 1, 8);
 440     tty_print_string (_("owner"));
 441     widget_move (ch_dlg, BY - 1, 16);
 442     tty_print_string (_("group"));
 443     widget_move (ch_dlg, BY - 1, 24);
 444     tty_print_string (_("other"));
 445
 446     widget_move (ch_dlg, BY - 1, 35);
 447     tty_print_string (_("owner"));
 448     widget_move (ch_dlg, BY - 1, 53);
 449     tty_print_string (_("group"));
 450
 451     widget_move (ch_dlg, BY + 1, 3);
 452     tty_print_string (_("Flag"));
 453
 454     print_flags ();
 455 }
 456
 457 /* --------------------------------------------------------------------------------------------- */
 458
 459 static void
 460 b_setpos (int f_pos)
 461 {
 462     b_att[0]->hotpos = -1;
 463     b_att[1]->hotpos = -1;
 464     b_att[2]->hotpos = -1;
 465     b_att[f_pos]->hotpos = (flag_pos % 3);
 466 }
 467
 468 /* --------------------------------------------------------------------------------------------- */
 469
 470 static cb_ret_t
 471 advanced_chown_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
 472 {
 473     WDialog *h = DIALOG (w);
 474     int i;
 475     int f_pos;
 476     unsigned int id;
 477
 478     id = dlg_get_current_widget_id (h);
 479
 480     for (i = 0; i < BUTTONS_PERM; i++)
 481         if (chown_advanced_but[i].id == id)
 482             break;
 483
 484     f_pos = i;
 485     i = 0;
 486
 487     switch (msg)
 488     {
 489     case MSG_DRAW:
 490         chown_refresh ();
 491         chown_info_update ();
 492         return MSG_HANDLED;
 493
 494     case MSG_POST_KEY:
 495         if (f_pos < 3)
 496             b_setpos (f_pos);
 497         return MSG_HANDLED;
 498
 499     case MSG_FOCUS:
 500         if (f_pos < 3)
 501         {
 502             if ((flag_pos / 3) != f_pos)
 503                 flag_pos = f_pos * 3;
 504             b_setpos (f_pos);
 505         }
 506         else if (f_pos < BUTTONS_PERM)
 507             flag_pos = f_pos + 6;
 508         return MSG_HANDLED;
 509
 510     case MSG_KEY:
 511         switch (parm)
 512         {
 513         case XCTRL ('b'):
 514         case KEY_LEFT:
 515             if (f_pos < BUTTONS_PERM)
 516                 return (dec_flag_pos (f_pos));
 517             break;
 518
 519         case XCTRL ('f'):
 520         case KEY_RIGHT:
 521             if (f_pos < BUTTONS_PERM)
 522                 return (inc_flag_pos (f_pos));
 523             break;
 524
 525         case ' ':
 526             if (f_pos < 3)
 527                 return MSG_HANDLED;
 528             break;
 529
 530         case '\n':
 531         case KEY_ENTER:
 532             if (f_pos <= 2 || f_pos >= BUTTONS_PERM)
 533                 break;
 534             do_enter_key (h, f_pos);
 535             return MSG_HANDLED;
 536
 537         case ALT ('x'):
 538             i++;
 539
 540         case ALT ('w'):
 541             i++;
 542
 543         case ALT ('r'):
 544             parm = i + 3;
 545             for (i = 0; i < 3; i++)
 546                 ch_flags[i * 3 + parm - 3] = (x_toggle & (1 << parm)) ? '-' : '+';
 547             x_toggle ^= (1 << parm);
 548             update_mode (h);
 549             dlg_broadcast_msg (h, MSG_DRAW);
 550             send_message (h->current->data, NULL, MSG_FOCUS, 0, NULL);
 551             break;
 552
 553         case XCTRL ('x'):
 554             i++;
 555
 556         case XCTRL ('w'):
 557             i++;
 558
 559         case XCTRL ('r'):
 560             parm = i;
 561             for (i = 0; i < 3; i++)
 562                 ch_flags[i * 3 + parm] = (x_toggle & (1 << parm)) ? '-' : '+';
 563             x_toggle ^= (1 << parm);
 564             update_mode (h);
 565             dlg_broadcast_msg (h, MSG_DRAW);
 566             send_message (h->current->data, NULL, MSG_FOCUS, 0, NULL);
 567             break;
 568
 569         case 'x':
 570             i++;
 571
 572         case 'w':
 573             i++;
 574
 575         case 'r':
 576             if (f_pos > 2)
 577                 break;
 578             flag_pos = f_pos * 3 + i;   /* (strchr(ch_perm,parm)-ch_perm); */
 579             if (BUTTON (h->current->data)->text.start[(flag_pos % 3)] == '-')
 580                 ch_flags[flag_pos] = '+';
 581             else
 582                 ch_flags[flag_pos] = '-';
 583             update_mode (h);
 584             break;
 585
 586         case '4':
 587             i++;
 588
 589         case '2':
 590             i++;
 591
 592         case '1':
 593             if (f_pos <= 2)
 594             {
 595                 flag_pos = i + f_pos * 3;
 596                 ch_flags[flag_pos] = '=';
 597                 update_mode (h);
 598             }
 599             break;
 600
 601         case '-':
 602             if (f_pos > 2)
 603                 break;
 604
 605         case '*':
 606             if (parm == '*')
 607                 parm = '=';
 608
 609         case '=':
 610         case '+':
 611             if (f_pos <= 4)
 612             {
 613                 ch_flags[flag_pos] = parm;
 614                 update_mode (h);
 615                 send_message (h, sender, MSG_KEY, KEY_RIGHT, NULL);
 616                 if (flag_pos > 8 || (flag_pos % 3) == 0)
 617                     dlg_one_down (h);
 618             }
 619             break;
 620
 621         default:
 622             break;
 623         }
 624         return MSG_NOT_HANDLED;
 625
 626     default:
 627         return dlg_default_callback (w, sender, msg, parm, data);
 628     }
 629 }
 630
 631 /* --------------------------------------------------------------------------------------------- */
 632
 633 static void
 634 init_chown_advanced (void)
 635 {
 636     int i;
 637     int dlg_h = 12;
 638     int dlg_w = 74;
 639     int y;
 640
 641     static gboolean i18n = FALSE;
 642
 643     if (!i18n)
 644     {
 645         for (i = BUTTONS_PERM; i < BUTTONS; i++)
 646         {
 647 #ifdef ENABLE_NLS
 648             chown_advanced_but[i].text = _(chown_advanced_but[i].text);
 649 #endif /* ENABLE_NLS */
 650
 651             chown_advanced_but[i].len = str_term_width1 (chown_advanced_but[i].text) + 3;
 652             if (chown_advanced_but[i].flags == DEFPUSH_BUTTON)
 653                 chown_advanced_but[i].len += 2; /* "<>" */
 654         }
 655
 656         i18n = TRUE;
 657     }
 658
 659     do_refresh ();
 660
 661     sf_stat = g_new (struct stat, 1);
 662     current_file = 0;
 663     end_chown = need_update = FALSE;
 664     single_set = (current_panel->marked < 2);
 665     memset (ch_flags, '=', 11);
 666     flag_pos = 0;
 667     x_toggle = 070;
 668
 669     if (!single_set)
 670         dlg_h += 2;
 671
 672     ch_dlg =
 673         dlg_create (TRUE, 0, 0, dlg_h, dlg_w, dialog_colors, advanced_chown_callback, NULL,
 674                     "[Advanced Chown]", _("Chown advanced command"), DLG_CENTER);
 675
 676
 677     l_filename = label_new (2, 3, "");
 678     add_widget (ch_dlg, l_filename);
 679
 680     add_widget (ch_dlg, hline_new (3, -1, -1));
 681
 682 #define XTRACT(i,y) y, BX+chown_advanced_but[i].x, \
 683         chown_advanced_but[i].ret_cmd, chown_advanced_but[i].flags, \
 684         (chown_advanced_but[i].text), NULL
 685     b_att[0] = button_new (XTRACT (0, BY));
 686     chown_advanced_but[0].id = add_widget (ch_dlg, b_att[0]);
 687     b_att[1] = button_new (XTRACT (1, BY));
 688     chown_advanced_but[1].id = add_widget (ch_dlg, b_att[1]);
 689     b_att[2] = button_new (XTRACT (2, BY));
 690     chown_advanced_but[2].id = add_widget (ch_dlg, b_att[2]);
 691     b_user = button_new (XTRACT (3, BY));
 692     chown_advanced_but[3].id = add_widget (ch_dlg, b_user);
 693     b_group = button_new (XTRACT (4, BY));
 694     chown_advanced_but[4].id = add_widget (ch_dlg, b_group);
 695 #undef XTRACT
 696
 697     l_mode = label_new (BY + 2, 3, "");
 698     add_widget (ch_dlg, l_mode);
 699
 700     y = BY + 3;
 701     if (!single_set)
 702     {
 703         i = BUTTONS_PERM;
 704         add_widget (ch_dlg, hline_new (y++, -1, -1));
 705         chown_advanced_but[i].id = add_widget (ch_dlg,
 706                                                button_new (y,
 707                                                            WIDGET (ch_dlg)->cols / 2 -
 708                                                            chown_advanced_but[i].len,
 709                                                            chown_advanced_but[i].ret_cmd,
 710                                                            chown_advanced_but[i].flags,
 711                                                            chown_advanced_but[i].text, NULL));
 712         i++;
 713         chown_advanced_but[i].id = add_widget (ch_dlg,
 714                                                button_new (y, WIDGET (ch_dlg)->cols / 2 + 1,
 715                                                            chown_advanced_but[i].ret_cmd,
 716                                                            chown_advanced_but[i].flags,
 717                                                            chown_advanced_but[i].text, NULL));
 718         y++;
 719     }
 720
 721     i = BUTTONS_PERM + 2;
 722     add_widget (ch_dlg, hline_new (y++, -1, -1));
 723     chown_advanced_but[i].id = add_widget (ch_dlg,
 724                                            button_new (y,
 725                                                        WIDGET (ch_dlg)->cols / 2 -
 726                                                        chown_advanced_but[i].len,
 727                                                        chown_advanced_but[i].ret_cmd,
 728                                                        chown_advanced_but[i].flags,
 729                                                        chown_advanced_but[i].text, NULL));
 730     i++;
 731     chown_advanced_but[i].id = add_widget (ch_dlg,
 732                                            button_new (y, WIDGET (ch_dlg)->cols / 2 + 1,
 733                                                        chown_advanced_but[i].ret_cmd,
 734                                                        chown_advanced_but[i].flags,
 735                                                        chown_advanced_but[i].text, NULL));
 736
 737     dlg_select_widget (b_att[0]);
 738 }
 739
 740 /* --------------------------------------------------------------------------------------------- */
 741
 742 static void
 743 chown_advanced_done (void)
 744 {
 745     g_free (sf_stat);
 746     if (need_update)
 747         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 748     repaint_screen ();
 749 }
 750
 751 /* --------------------------------------------------------------------------------------------- */
 752
 753 #if 0
 754 static void
 755 do_chown (uid_t u, gid_t g)
 756 {
 757     chown (current_panel->dir.list[current_file].fname, u, g);
 758     file_mark (current_panel, current_file, 0);
 759 }
 760 #endif
 761
 762 /* --------------------------------------------------------------------------------------------- */
 763
 764 static char *
 765 next_file (void)
 766 {
 767     while (!current_panel->dir.list[current_file].f.marked)
 768         current_file++;
 769
 770     return current_panel->dir.list[current_file].fname;
 771 }
 772
 773 /* --------------------------------------------------------------------------------------------- */
 774
 775 static void
 776 apply_advanced_chowns (struct stat *sf)
 777 {
 778     vfs_path_t *vpath;
 779     char *lc_fname;
 780     gid_t a_gid = sf->st_gid;
 781     uid_t a_uid = sf->st_uid;
 782
 783     lc_fname = current_panel->dir.list[current_file].fname;
 784     vpath = vfs_path_from_str (lc_fname);
 785     need_update = end_chown = TRUE;
 786     if (mc_chmod (vpath, get_mode ()) == -1)
 787         message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 788                  lc_fname, unix_error_string (errno));
 789     /* call mc_chown only, if mc_chmod didn't fail */
 790     else if (mc_chown (vpath, (ch_flags[9] == '+') ? sf->st_uid : (uid_t) (-1),
 791                        (ch_flags[10] == '+') ? sf->st_gid : (gid_t) (-1)) == -1)
 792         message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 793                  lc_fname, unix_error_string (errno));
 794     do_file_mark (current_panel, current_file, 0);
 795     vfs_path_free (vpath);
 796
 797     do
 798     {
 799         lc_fname = next_file ();
 800         vpath = vfs_path_from_str (lc_fname);
 801
 802         if (mc_stat (vpath, sf) != 0)
 803         {
 804             vfs_path_free (vpath);
 805             break;
 806         }
 807
 808         ch_cmode = sf->st_mode;
 809
 810         if (mc_chmod (vpath, get_mode ()) == -1)
 811             message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 812                      lc_fname, unix_error_string (errno));
 813         /* call mc_chown only, if mc_chmod didn't fail */
 814         else if (mc_chown (vpath, (ch_flags[9] == '+') ? a_uid : (uid_t) (-1),
 815                            (ch_flags[10] == '+') ? a_gid : (gid_t) (-1)) == -1)
 816             message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 817                      lc_fname, unix_error_string (errno));
 818
 819         do_file_mark (current_panel, current_file, 0);
 820         vfs_path_free (vpath);
 821     }
 822     while (current_panel->marked != 0);
 823 }
 824
 825 /* --------------------------------------------------------------------------------------------- */
 826 /*** public functions ****************************************************************************/
 827 /* --------------------------------------------------------------------------------------------- */
 828
 829 void
 830 chown_advanced_cmd (void)
 831 {
 832     /* Number of files at startup */
 833     int files_on_begin;
 834
 835     files_on_begin = max (1, current_panel->marked);
 836
 837     do
 838     {                           /* do while any files remaining */
 839         int file_idx;
 840         char buffer[BUF_MEDIUM];
 841         vfs_path_t *vpath;
 842         int result;
 843
 844         init_chown_advanced ();
 845
 846         if (current_panel->marked)
 847             fname = next_file ();       /* next marked file */
 848         else
 849             fname = selection (current_panel)->fname;   /* single file */
 850         vpath = vfs_path_from_str (fname);
 851
 852         if (mc_stat (vpath, sf_stat) != 0)
 853         {                       /* get status of file */
 854             dlg_destroy (ch_dlg);
 855             vfs_path_free (vpath);
 856             break;
 857         }
 858
 859         ch_cmode = sf_stat->st_mode;
 860
 861         file_idx = files_on_begin == 1 ? 1 : (files_on_begin - current_panel->marked + 1);
 862         g_snprintf (buffer, sizeof (buffer), "%s (%d/%d)",
 863                     str_fit_to_term (fname, WIDGET (ch_dlg)->cols - 20, J_LEFT_FIT),
 864                     file_idx, files_on_begin);
 865         label_set_text (l_filename, buffer);
 866         chown_refresh ();
 867         update_ownership ();
 868
 869         result = dlg_run (ch_dlg);
 870
 871         switch (result)
 872         {
 873         case B_CANCEL:
 874             end_chown = TRUE;
 875             break;
 876
 877         case B_ENTER:
 878             need_update = TRUE;
 879             if (mc_chmod (vpath, get_mode ()) == -1)
 880                 message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 881                          fname, unix_error_string (errno));
 882             /* call mc_chown only, if mc_chmod didn't fail */
 883             else if (mc_chown
 884                      (vpath, (ch_flags[9] == '+') ? sf_stat->st_uid : (uid_t) (-1),
 885                       (ch_flags[10] == '+') ? sf_stat->st_gid : (gid_t) (-1)) == -1)
 886                 message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"), fname,
 887                          unix_error_string (errno));
 888             break;
 889
 890         case B_SETALL:
 891             apply_advanced_chowns (sf_stat);
 892             break;
 893
 894         case B_SKIP:
 895         default:
 896             break;
 897         }
 898
 899         if (current_panel->marked && result != B_CANCEL)
 900         {
 901             do_file_mark (current_panel, current_file, 0);
 902             need_update = TRUE;
 903         }
 904         dlg_destroy (ch_dlg);
 905         vfs_path_free (vpath);
 906     }
 907     while (current_panel->marked && !end_chown);
 908
 909     chown_advanced_done ();
 910 }
 911
 912 /* --------------------------------------------------------------------------------------------- */