src/filemanager/achown.c

   1 /*
   2    Chown-advanced command -- for the Midnight Commander
   3
   4    Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   5    2005, 2007, 2011
   6    The Free Software Foundation, Inc.
   7
   8    This file is part of the Midnight Commander.
   9
  10    The Midnight Commander is free software: you can redistribute it
  11    and/or modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation, either version 3 of the License,
  13    or (at your option) any later version.
  14
  15    The Midnight Commander is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 /** \file achown.c
  25  *  \brief Source: Contains functions for advanced chowning
  26  */
  27
  28 #include <config.h>
  29
  30 #include <errno.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <unistd.h>
  37 #include <pwd.h>
  38 #include <grp.h>
  39
  40 #include "lib/global.h"
  41
  42 #include "lib/tty/tty.h"
  43 #include "lib/tty/key.h"        /* XCTRL and ALT macros */
  44 #include "lib/skin.h"
  45 #include "lib/strutil.h"
  46 #include "lib/vfs/vfs.h"
  47 #include "lib/util.h"
  48 #include "lib/widget.h"
  49
  50 #include "dir.h"
  51 #include "midnight.h"           /* current_panel */
  52 #include "chmod.h"
  53
  54 #include "achown.h"
  55
  56 /*** global variables ****************************************************************************/
  57
  58 /*** file scope macro definitions ****************************************************************/
  59
  60 #define BX              5
  61 #define BY              6
  62
  63 #define TX              50
  64 #define TY              2
  65
  66 #define BUTTONS         9
  67
  68 #define B_SETALL        B_USER
  69 #define B_SKIP          (B_USER + 1)
  70
  71 #define B_OWN           (B_USER + 3)
  72 #define B_GRP           (B_USER + 4)
  73 #define B_OTH           (B_USER + 5)
  74 #define B_OUSER         (B_USER + 6)
  75 #define B_OGROUP        (B_USER + 7)
  76
  77 /*** file scope type declarations ****************************************************************/
  78
  79 /*** file scope variables ************************************************************************/
  80
  81 static struct Dlg_head *ch_dlg;
  82
  83 static struct
  84 {
  85     int ret_cmd, flags, y, x;
  86     const char *text;
  87 } chown_advanced_but[BUTTONS] =
  88 {
  89     /* *INDENT-OFF* */
  90     { B_CANCEL, NORMAL_BUTTON, 4, 53, N_("&Cancel") },
  91     { B_ENTER,  DEFPUSH_BUTTON,4, 40, N_("&Set") },
  92     { B_SKIP,   NORMAL_BUTTON, 4, 23, N_("S&kip") },
  93     { B_SETALL, NORMAL_BUTTON, 4,  0, N_("Set &all")},
  94     { B_ENTER,  NARROW_BUTTON, 0, 47, ""},
  95     { B_ENTER,  NARROW_BUTTON, 0, 29, ""},
  96     { B_ENTER,  NARROW_BUTTON, 0, 19, "   "},
  97     { B_ENTER,  NARROW_BUTTON, 0, 11, "   "},
  98     { B_ENTER,  NARROW_BUTTON, 0,  3, "   "}
  99     /* *INDENT-ON* */
 100 };
 101
 102 static WButton *b_att[3];       /* permission */
 103 static WButton *b_user, *b_group;       /* owner */
 104
 105 static int files_on_begin;      /* Number of files at startup */
 106 static int flag_pos;
 107 static int x_toggle;
 108 static char ch_flags[11];
 109 static const char ch_perm[] = "rwx";
 110 static mode_t ch_cmode;
 111 static struct stat *sf_stat;
 112 static int need_update;
 113 static int end_chown;
 114 static int current_file;
 115 static int single_set;
 116 static char *fname;
 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) || 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)
 150     {
 151         flag_pos = 10;
 152         return MSG_NOT_HANDLED;
 153     }
 154     flag_pos--;
 155     if (!((flag_pos + 1) % 3) || 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 update_mode (Dlg_head * h)
 267 {
 268     print_flags ();
 269     tty_setcolor (COLOR_NORMAL);
 270     widget_move (h, BY + 2, 9);
 271     tty_printf ("%12o", get_mode ());
 272     send_message (WIDGET (h->current->data), WIDGET_FOCUS, 0);
 273 }
 274
 275 /* --------------------------------------------------------------------------------------------- */
 276
 277 static cb_ret_t
 278 chl_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, void *data)
 279 {
 280     switch (msg)
 281     {
 282     case DLG_KEY:
 283         switch (parm)
 284         {
 285         case KEY_LEFT:
 286         case KEY_RIGHT:
 287             h->ret_value = parm;
 288             dlg_stop (h);
 289         }
 290
 291     default:
 292         return default_dlg_callback (h, sender, msg, parm, data);
 293     }
 294 }
 295
 296 /* --------------------------------------------------------------------------------------------- */
 297
 298 static void
 299 do_enter_key (Dlg_head * h, int f_pos)
 300 {
 301     Dlg_head *chl_dlg;
 302     WListbox *chl_list;
 303     struct passwd *chl_pass;
 304     struct group *chl_grp;
 305     int fe;
 306     int lxx, lyy, chl_end, b_pos;
 307     int is_owner;
 308     const char *title;
 309
 310     do
 311     {
 312         is_owner = (f_pos == 3);
 313         title = is_owner ? _("owner") : _("group");
 314
 315         lxx = (COLS - 74) / 2 + (is_owner ? 35 : 53);
 316         lyy = (LINES - 13) / 2;
 317         chl_end = 0;
 318
 319         chl_dlg =
 320             create_dlg (TRUE, lyy, lxx, 13, 17, dialog_colors, chl_callback, NULL,
 321                         "[Advanced Chown]", title, DLG_COMPACT | DLG_REVERSE);
 322
 323         /* get new listboxes */
 324         chl_list = listbox_new (1, 1, 11, 15, FALSE, NULL);
 325
 326         listbox_add_item (chl_list, LISTBOX_APPEND_AT_END, 0, "<Unknown>", NULL);
 327
 328         if (is_owner)
 329         {
 330             /* get and put user names in the listbox */
 331             setpwent ();
 332             while ((chl_pass = getpwent ()))
 333             {
 334                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_pass->pw_name, NULL);
 335             }
 336             endpwent ();
 337             fe = listbox_search_text (chl_list, get_owner (sf_stat->st_uid));
 338         }
 339         else
 340         {
 341             /* get and put group names in the listbox */
 342             setgrent ();
 343             while ((chl_grp = getgrent ()))
 344             {
 345                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_grp->gr_name, NULL);
 346             }
 347             endgrent ();
 348             fe = listbox_search_text (chl_list, get_group (sf_stat->st_gid));
 349         }
 350
 351         listbox_select_entry (chl_list, fe);
 352
 353         b_pos = chl_list->pos;
 354         add_widget (chl_dlg, chl_list);
 355
 356         run_dlg (chl_dlg);
 357
 358         if (b_pos != chl_list->pos)
 359         {
 360             int ok = 0;
 361             char *text;
 362
 363             listbox_get_current (chl_list, &text, NULL);
 364             if (is_owner)
 365             {
 366                 chl_pass = getpwnam (text);
 367                 if (chl_pass)
 368                 {
 369                     ok = 1;
 370                     sf_stat->st_uid = chl_pass->pw_uid;
 371                 }
 372             }
 373             else
 374             {
 375                 chl_grp = getgrnam (text);
 376                 if (chl_grp)
 377                 {
 378                     sf_stat->st_gid = chl_grp->gr_gid;
 379                     ok = 1;
 380                 }
 381             }
 382             if (ok)
 383             {
 384                 ch_flags[f_pos + 6] = '+';
 385                 update_ownership ();
 386             }
 387             dlg_focus (h);
 388             if (ok)
 389                 print_flags ();
 390         }
 391         if (chl_dlg->ret_value == KEY_LEFT)
 392         {
 393             if (!is_owner)
 394                 chl_end = 1;
 395             dlg_one_up (ch_dlg);
 396             f_pos--;
 397         }
 398         else if (chl_dlg->ret_value == KEY_RIGHT)
 399         {
 400             if (is_owner)
 401                 chl_end = 1;
 402             dlg_one_down (ch_dlg);
 403             f_pos++;
 404         }
 405         /* Here we used to redraw the window */
 406         destroy_dlg (chl_dlg);
 407     }
 408     while (chl_end);
 409 }
 410
 411 /* --------------------------------------------------------------------------------------------- */
 412
 413 static void
 414 chown_refresh (void)
 415 {
 416     common_dialog_repaint (ch_dlg);
 417
 418     tty_setcolor (COLOR_NORMAL);
 419
 420     widget_move (ch_dlg, BY - 1, 8);
 421     tty_print_string (_("owner"));
 422     widget_move (ch_dlg, BY - 1, 16);
 423     tty_print_string (_("group"));
 424     widget_move (ch_dlg, BY - 1, 24);
 425     tty_print_string (_("other"));
 426
 427     widget_move (ch_dlg, BY - 1, 35);
 428     tty_print_string (_("owner"));
 429     widget_move (ch_dlg, BY - 1, 53);
 430     tty_print_string (_("group"));
 431
 432     widget_move (ch_dlg, 3, 4);
 433     tty_print_string (_("On"));
 434     widget_move (ch_dlg, BY + 1, 4);
 435     tty_print_string (_("Flag"));
 436     widget_move (ch_dlg, BY + 2, 4);
 437     tty_print_string (_("Mode"));
 438
 439     if (!single_set)
 440     {
 441         widget_move (ch_dlg, 3, 54);
 442         tty_printf (_("%6d of %d"), files_on_begin - (current_panel->marked) + 1, files_on_begin);
 443     }
 444
 445     print_flags ();
 446 }
 447
 448 /* --------------------------------------------------------------------------------------------- */
 449
 450 static void
 451 chown_info_update (void)
 452 {
 453     /* display file info */
 454     tty_setcolor (COLOR_NORMAL);
 455
 456     /* name && mode */
 457     widget_move (ch_dlg, 3, 8);
 458     tty_print_string (str_fit_to_term (fname, 45, J_LEFT_FIT));
 459     widget_move (ch_dlg, BY + 2, 9);
 460     tty_printf ("%12o", get_mode ());
 461
 462     /* permissions */
 463     update_permissions ();
 464 }
 465
 466 /* --------------------------------------------------------------------------------------------- */
 467
 468 static void
 469 b_setpos (int f_pos)
 470 {
 471     b_att[0]->hotpos = -1;
 472     b_att[1]->hotpos = -1;
 473     b_att[2]->hotpos = -1;
 474     b_att[f_pos]->hotpos = (flag_pos % 3);
 475 }
 476
 477 /* --------------------------------------------------------------------------------------------- */
 478
 479 static cb_ret_t
 480 advanced_chown_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, void *data)
 481 {
 482     int i = 0, f_pos = BUTTONS - dlg_get_current_widget_id (h) - single_set - 1;
 483
 484     switch (msg)
 485     {
 486     case DLG_DRAW:
 487         chown_refresh ();
 488         chown_info_update ();
 489         return MSG_HANDLED;
 490
 491     case DLG_POST_KEY:
 492         if (f_pos < 3)
 493             b_setpos (f_pos);
 494         return MSG_HANDLED;
 495
 496     case DLG_FOCUS:
 497         if (f_pos < 3)
 498         {
 499             if ((flag_pos / 3) != f_pos)
 500                 flag_pos = f_pos * 3;
 501             b_setpos (f_pos);
 502         }
 503         else if (f_pos < 5)
 504             flag_pos = f_pos + 6;
 505         return MSG_HANDLED;
 506
 507     case DLG_KEY:
 508         switch (parm)
 509         {
 510
 511         case XCTRL ('b'):
 512         case KEY_LEFT:
 513             if (f_pos < 5)
 514                 return (dec_flag_pos (f_pos));
 515             break;
 516
 517         case XCTRL ('f'):
 518         case KEY_RIGHT:
 519             if (f_pos < 5)
 520                 return (inc_flag_pos (f_pos));
 521             break;
 522
 523         case ' ':
 524             if (f_pos < 3)
 525                 return MSG_HANDLED;
 526             break;
 527
 528         case '\n':
 529         case KEY_ENTER:
 530             if (f_pos <= 2 || f_pos >= 5)
 531                 break;
 532             do_enter_key (h, f_pos);
 533             return MSG_HANDLED;
 534
 535         case ALT ('x'):
 536             i++;
 537
 538         case ALT ('w'):
 539             i++;
 540
 541         case ALT ('r'):
 542             parm = i + 3;
 543             for (i = 0; i < 3; i++)
 544                 ch_flags[i * 3 + parm - 3] = (x_toggle & (1 << parm)) ? '-' : '+';
 545             x_toggle ^= (1 << parm);
 546             update_mode (h);
 547             dlg_broadcast_msg (h, WIDGET_DRAW, FALSE);
 548             send_message (WIDGET (h->current->data), WIDGET_FOCUS, 0);
 549             break;
 550
 551         case XCTRL ('x'):
 552             i++;
 553
 554         case XCTRL ('w'):
 555             i++;
 556
 557         case XCTRL ('r'):
 558             parm = i;
 559             for (i = 0; i < 3; i++)
 560                 ch_flags[i * 3 + parm] = (x_toggle & (1 << parm)) ? '-' : '+';
 561             x_toggle ^= (1 << parm);
 562             update_mode (h);
 563             dlg_broadcast_msg (h, WIDGET_DRAW, FALSE);
 564             send_message (WIDGET (h->current->data), WIDGET_FOCUS, 0);
 565             break;
 566
 567         case 'x':
 568             i++;
 569
 570         case 'w':
 571             i++;
 572
 573         case 'r':
 574             if (f_pos > 2)
 575                 break;
 576             flag_pos = f_pos * 3 + i;   /* (strchr(ch_perm,parm)-ch_perm); */
 577             if (((WButton *) h->current->data)->text.start[(flag_pos % 3)] == '-')
 578                 ch_flags[flag_pos] = '+';
 579             else
 580                 ch_flags[flag_pos] = '-';
 581             update_mode (h);
 582             break;
 583
 584         case '4':
 585             i++;
 586
 587         case '2':
 588             i++;
 589
 590         case '1':
 591             if (f_pos > 2)
 592                 break;
 593             flag_pos = i + f_pos * 3;
 594             ch_flags[flag_pos] = '=';
 595             update_mode (h);
 596             break;
 597
 598         case '-':
 599             if (f_pos > 2)
 600                 break;
 601
 602         case '*':
 603             if (parm == '*')
 604                 parm = '=';
 605
 606         case '=':
 607         case '+':
 608             if (f_pos <= 4)
 609             {
 610                 ch_flags[flag_pos] = parm;
 611                 update_mode (h);
 612                 advanced_chown_callback (h, sender, DLG_KEY, KEY_RIGHT, NULL);
 613                 if (flag_pos > 8 || !(flag_pos % 3))
 614                     dlg_one_down (h);
 615             }
 616             break;
 617         }
 618         return MSG_NOT_HANDLED;
 619
 620     default:
 621         return default_dlg_callback (h, sender, msg, parm, data);
 622     }
 623 }
 624
 625 /* --------------------------------------------------------------------------------------------- */
 626
 627 static void
 628 init_chown_advanced (void)
 629 {
 630     int i;
 631     enum
 632     { dlg_h = 13, dlg_w = 74, n_elem = 4 };
 633 #ifdef ENABLE_NLS
 634     static int i18n_len = 0;
 635
 636     if (i18n_len == 0)
 637     {
 638         int dx, cx;
 639         for (i = 0; i < n_elem; i++)
 640         {
 641             chown_advanced_but[i].text = _(chown_advanced_but[i].text);
 642             i18n_len += str_term_width1 (chown_advanced_but[i].text) + 3;
 643             if (DEFPUSH_BUTTON == chown_advanced_but[i].flags)
 644                 i18n_len += 2;  /* "<>" */
 645         }
 646         cx = dx = (dlg_w - i18n_len - 2) / (n_elem + 1);
 647
 648         /* Reversed order */
 649         for (i = n_elem - 1; i >= 0; i--)
 650         {
 651             chown_advanced_but[i].x = cx;
 652             cx += str_term_width1 (chown_advanced_but[i].text) + 3 + dx;
 653         }
 654     }
 655 #endif /* ENABLE_NLS */
 656
 657     sf_stat = g_new (struct stat, 1);
 658     do_refresh ();
 659     end_chown = need_update = current_file = 0;
 660     single_set = (current_panel->marked < 2) ? 2 : 0;
 661     memset (ch_flags, '=', 11);
 662     flag_pos = 0;
 663     x_toggle = 070;
 664
 665     ch_dlg =
 666         create_dlg (TRUE, 0, 0, dlg_h, dlg_w, dialog_colors, advanced_chown_callback, NULL,
 667                     "[Advanced Chown]", _("Chown advanced command"), DLG_CENTER | DLG_REVERSE);
 668
 669 #define XTRACT(i) BY+chown_advanced_but[i].y, BX+chown_advanced_but[i].x, \
 670         chown_advanced_but[i].ret_cmd, chown_advanced_but[i].flags, \
 671         (chown_advanced_but[i].text), 0
 672
 673     for (i = 0; i < BUTTONS - 5; i++)
 674         if (!single_set || i < 2)
 675             add_widget (ch_dlg, button_new (XTRACT (i)));
 676
 677     b_att[0] = button_new (XTRACT (8));
 678     b_att[1] = button_new (XTRACT (7));
 679     b_att[2] = button_new (XTRACT (6));
 680     b_user = button_new (XTRACT (5));
 681     b_group = button_new (XTRACT (4));
 682
 683     add_widget (ch_dlg, b_group);
 684     add_widget (ch_dlg, b_user);
 685     add_widget (ch_dlg, b_att[2]);
 686     add_widget (ch_dlg, b_att[1]);
 687     add_widget (ch_dlg, b_att[0]);
 688 }
 689
 690 /* --------------------------------------------------------------------------------------------- */
 691
 692 static void
 693 chown_advanced_done (void)
 694 {
 695     g_free (sf_stat);
 696     if (need_update)
 697         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 698     repaint_screen ();
 699 }
 700
 701 /* --------------------------------------------------------------------------------------------- */
 702
 703 #if 0
 704 static void
 705 do_chown (uid_t u, gid_t g)
 706 {
 707     chown (current_panel->dir.list[current_file].fname, u, g);
 708     file_mark (current_panel, current_file, 0);
 709 }
 710 #endif
 711
 712 /* --------------------------------------------------------------------------------------------- */
 713
 714 static char *
 715 next_file (void)
 716 {
 717     while (!current_panel->dir.list[current_file].f.marked)
 718         current_file++;
 719
 720     return current_panel->dir.list[current_file].fname;
 721 }
 722
 723 /* --------------------------------------------------------------------------------------------- */
 724
 725 static void
 726 apply_advanced_chowns (struct stat *sf)
 727 {
 728     vfs_path_t *vpath;
 729     char *lc_fname;
 730     gid_t a_gid = sf->st_gid;
 731     uid_t a_uid = sf->st_uid;
 732
 733     lc_fname = current_panel->dir.list[current_file].fname;
 734     vpath = vfs_path_from_str (lc_fname);
 735     need_update = end_chown = 1;
 736     if (mc_chmod (vpath, get_mode ()) == -1)
 737         message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 738                  lc_fname, unix_error_string (errno));
 739     /* call mc_chown only, if mc_chmod didn't fail */
 740     else if (mc_chown (vpath, (ch_flags[9] == '+') ? sf->st_uid : (uid_t) - 1,
 741                        (ch_flags[10] == '+') ? sf->st_gid : (gid_t) - 1) == -1)
 742         message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 743                  lc_fname, unix_error_string (errno));
 744     do_file_mark (current_panel, current_file, 0);
 745     vfs_path_free (vpath);
 746
 747     do
 748     {
 749         lc_fname = next_file ();
 750         vpath = vfs_path_from_str (lc_fname);
 751
 752         if (mc_stat (vpath, sf) != 0)
 753         {
 754             vfs_path_free (vpath);
 755             break;
 756         }
 757         ch_cmode = sf->st_mode;
 758         if (mc_chmod (vpath, get_mode ()) == -1)
 759             message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 760                      lc_fname, unix_error_string (errno));
 761         /* call mc_chown only, if mc_chmod didn't fail */
 762         else if (mc_chown (vpath, (ch_flags[9] == '+') ? a_uid : (uid_t) - 1,
 763                            (ch_flags[10] == '+') ? a_gid : (gid_t) - 1) == -1)
 764             message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 765                      lc_fname, unix_error_string (errno));
 766
 767         do_file_mark (current_panel, current_file, 0);
 768         vfs_path_free (vpath);
 769     }
 770     while (current_panel->marked);
 771 }
 772
 773 /* --------------------------------------------------------------------------------------------- */
 774 /*** public functions ****************************************************************************/
 775 /* --------------------------------------------------------------------------------------------- */
 776
 777 void
 778 chown_advanced_cmd (void)
 779 {
 780     files_on_begin = current_panel->marked;
 781
 782     do
 783     {                           /* do while any files remaining */
 784         vfs_path_t *vpath;
 785         init_chown_advanced ();
 786
 787         if (current_panel->marked)
 788             fname = next_file ();       /* next marked file */
 789         else
 790             fname = selection (current_panel)->fname;   /* single file */
 791         vpath = vfs_path_from_str (fname);
 792
 793         if (mc_stat (vpath, sf_stat) != 0)
 794         {                       /* get status of file */
 795             destroy_dlg (ch_dlg);
 796             vfs_path_free (vpath);
 797             break;
 798         }
 799         ch_cmode = sf_stat->st_mode;
 800
 801         chown_refresh ();
 802
 803         update_ownership ();
 804
 805         /* game can begin */
 806         run_dlg (ch_dlg);
 807
 808         switch (ch_dlg->ret_value)
 809         {
 810         case B_CANCEL:
 811             end_chown = 1;
 812             break;
 813
 814         case B_ENTER:
 815             {
 816                 vfs_path_t *fname_vpath;
 817
 818                 fname_vpath = vfs_path_from_str (fname);
 819                 need_update = 1;
 820                 if (mc_chmod (fname_vpath, get_mode ()) == -1)
 821                     message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 822                              fname, unix_error_string (errno));
 823                 /* call mc_chown only, if mc_chmod didn't fail */
 824                 else if (mc_chown
 825                          (fname_vpath, (ch_flags[9] == '+') ? sf_stat->st_uid : (uid_t) - 1,
 826                           (ch_flags[10] == '+') ? sf_stat->st_gid : (gid_t) - 1) == -1)
 827                     message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"), fname,
 828                              unix_error_string (errno));
 829                 vfs_path_free (fname_vpath);
 830             }
 831             break;
 832         case B_SETALL:
 833             apply_advanced_chowns (sf_stat);
 834             break;
 835
 836         case B_SKIP:
 837             break;
 838
 839         }
 840
 841         if (current_panel->marked && ch_dlg->ret_value != B_CANCEL)
 842         {
 843             do_file_mark (current_panel, current_file, 0);
 844             need_update = 1;
 845         }
 846         destroy_dlg (ch_dlg);
 847         vfs_path_free (vpath);
 848
 849     }
 850     while (current_panel->marked && !end_chown);
 851
 852     chown_advanced_done ();
 853 }
 854
 855 /* --------------------------------------------------------------------------------------------- */