src/filemanager/achown.c

   1 /*
   2    Chown-advanced command -- for the Midnight Commander
   3
   4    Copyright (C) 1994-2020
   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 #include <pwd.h>
  33 #include <grp.h>
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <unistd.h>
  37
  38 #include "lib/global.h"
  39
  40 #include "lib/tty/tty.h"
  41 #include "lib/tty/key.h"        /* XCTRL and ALT macros */
  42 #include "lib/skin.h"
  43 #include "lib/vfs/vfs.h"
  44 #include "lib/strutil.h"
  45 #include "lib/util.h"
  46 #include "lib/widget.h"
  47
  48 #include "midnight.h"           /* current_panel */
  49
  50 #include "achown.h"
  51
  52 /*** global variables ****************************************************************************/
  53
  54 /*** file scope macro definitions ****************************************************************/
  55
  56 #define BX 5
  57 #define BY 5
  58
  59 #define BUTTONS      9
  60 #define BUTTONS_PERM 5
  61
  62 #define B_SETALL B_USER
  63 #define B_SKIP   (B_USER + 1)
  64
  65 /*** file scope type declarations ****************************************************************/
  66
  67 /*** file scope variables ************************************************************************/
  68
  69 static struct
  70 {
  71     unsigned long id;
  72     int ret_cmd;
  73     button_flags_t flags;
  74     int x;
  75     int len;
  76     const char *text;
  77 } advanced_chown_but[BUTTONS] =
  78 {
  79     /* *INDENT-OFF* */
  80     { 0, B_ENTER,   NARROW_BUTTON,  3, 0, "   " },
  81     { 0, B_ENTER,   NARROW_BUTTON, 11, 0, "   " },
  82     { 0, B_ENTER,   NARROW_BUTTON, 19, 0, "   " },
  83     { 0, B_ENTER,   NARROW_BUTTON, 29, 0, ""    },
  84     { 0, B_ENTER,   NARROW_BUTTON, 47, 0, ""    },
  85
  86     { 0, B_SETALL,  NORMAL_BUTTON,  0, 0, N_("Set &all") },
  87     { 0, B_SKIP,    NORMAL_BUTTON,  0, 0, N_("S&kip")    },
  88     { 0, B_ENTER,  DEFPUSH_BUTTON,  0, 0, N_("&Set")     },
  89     { 0, B_CANCEL,  NORMAL_BUTTON,  0, 0, N_("&Cancel")  }
  90     /* *INDENT-ON* */
  91 };
  92
  93 static int current_file;
  94 static gboolean ignore_all;
  95
  96 static WButton *b_att[3];       /* permission */
  97 static WButton *b_user, *b_group;       /* owner */
  98 static WLabel *l_filename;
  99 static WLabel *l_mode;
 100
 101 static int flag_pos;
 102 static int x_toggle;
 103 static char ch_flags[11];
 104 static const char ch_perm[] = "rwx";
 105 static mode_t ch_cmode;
 106 static struct stat sf_stat;
 107
 108 /* --------------------------------------------------------------------------------------------- */
 109 /*** file scope functions ************************************************************************/
 110 /* --------------------------------------------------------------------------------------------- */
 111
 112 static void
 113 advanced_chown_i18n (void)
 114 {
 115     static gboolean i18n = FALSE;
 116     int i;
 117
 118     if (i18n)
 119         return;
 120
 121     i18n = TRUE;
 122
 123     for (i = BUTTONS_PERM; i < BUTTONS; i++)
 124     {
 125 #ifdef ENABLE_NLS
 126         advanced_chown_but[i].text = _(advanced_chown_but[i].text);
 127 #endif /* ENABLE_NLS */
 128
 129         advanced_chown_but[i].len = str_term_width1 (advanced_chown_but[i].text) + 3;
 130         if (advanced_chown_but[i].flags == DEFPUSH_BUTTON)
 131             advanced_chown_but[i].len += 2;     /* "<>" */
 132     }
 133
 134 }
 135
 136 /* --------------------------------------------------------------------------------------------- */
 137
 138 static cb_ret_t
 139 inc_flag_pos (void)
 140 {
 141     if (flag_pos == 10)
 142     {
 143         flag_pos = 0;
 144         return MSG_NOT_HANDLED;
 145     }
 146
 147     flag_pos++;
 148
 149     return flag_pos % 3 == 0 ? MSG_NOT_HANDLED : MSG_HANDLED;
 150 }
 151
 152 /* --------------------------------------------------------------------------------------------- */
 153
 154 static cb_ret_t
 155 dec_flag_pos (void)
 156 {
 157     if (flag_pos == 0)
 158     {
 159         flag_pos = 10;
 160         return MSG_NOT_HANDLED;
 161     }
 162
 163     flag_pos--;
 164
 165     return (flag_pos + 1) % 3 == 0 ? MSG_NOT_HANDLED : MSG_HANDLED;
 166 }
 167
 168 /* --------------------------------------------------------------------------------------------- */
 169
 170 static void
 171 set_perm_by_flags (char *s, int f_p)
 172 {
 173     int i;
 174
 175     for (i = 0; i < 3; i++)
 176     {
 177         if (ch_flags[f_p + i] == '+')
 178             s[i] = ch_perm[i];
 179         else if (ch_flags[f_p + i] == '-')
 180             s[i] = '-';
 181         else
 182             s[i] = (ch_cmode & (1 << (8 - f_p - i))) != 0 ? ch_perm[i] : '-';
 183     }
 184 }
 185
 186 /* --------------------------------------------------------------------------------------------- */
 187
 188 static mode_t
 189 get_perm (char *s, int base)
 190 {
 191     mode_t m = 0;
 192
 193     m |= (s[0] == '-') ? 0 :
 194         ((s[0] == '+') ? (mode_t) (1 << (base + 2)) : (1 << (base + 2)) & ch_cmode);
 195
 196     m |= (s[1] == '-') ? 0 :
 197         ((s[1] == '+') ? (mode_t) (1 << (base + 1)) : (1 << (base + 1)) & ch_cmode);
 198
 199     m |= (s[2] == '-') ? 0 : ((s[2] == '+') ? (mode_t) (1 << base) : (1 << base) & ch_cmode);
 200
 201     return m;
 202 }
 203
 204 /* --------------------------------------------------------------------------------------------- */
 205
 206 static mode_t
 207 get_mode (void)
 208 {
 209     mode_t m;
 210
 211     m = ch_cmode ^ (ch_cmode & 0777);
 212     m |= get_perm (ch_flags, 6);
 213     m |= get_perm (ch_flags + 3, 3);
 214     m |= get_perm (ch_flags + 6, 0);
 215
 216     return m;
 217 }
 218
 219 /* --------------------------------------------------------------------------------------------- */
 220
 221 static void
 222 update_permissions (void)
 223 {
 224     set_perm_by_flags (b_att[0]->text.start, 0);
 225     set_perm_by_flags (b_att[1]->text.start, 3);
 226     set_perm_by_flags (b_att[2]->text.start, 6);
 227 }
 228
 229 /* --------------------------------------------------------------------------------------------- */
 230
 231 static void
 232 update_ownership (void)
 233 {
 234     button_set_text (b_user, get_owner (sf_stat.st_uid));
 235     button_set_text (b_group, get_group (sf_stat.st_gid));
 236 }
 237
 238 /* --------------------------------------------------------------------------------------------- */
 239
 240 static void
 241 print_flags (const WDialog * h)
 242 {
 243     int i;
 244
 245     tty_setcolor (COLOR_NORMAL);
 246
 247     for (i = 0; i < 3; i++)
 248     {
 249         widget_gotoyx (h, BY + 1, advanced_chown_but[0].x + 6 + i);
 250         tty_print_char (ch_flags[i]);
 251     }
 252
 253     for (i = 0; i < 3; i++)
 254     {
 255         widget_gotoyx (h, BY + 1, advanced_chown_but[1].x + 6 + i);
 256         tty_print_char (ch_flags[i + 3]);
 257     }
 258
 259     for (i = 0; i < 3; i++)
 260     {
 261         widget_gotoyx (h, BY + 1, advanced_chown_but[2].x + 6 + i);
 262         tty_print_char (ch_flags[i + 6]);
 263     }
 264
 265     update_permissions ();
 266
 267     for (i = 0; i < 15; i++)
 268     {
 269         widget_gotoyx (h, BY + 1, advanced_chown_but[3].x + 6 + i);
 270         tty_print_char (ch_flags[9]);
 271     }
 272     for (i = 0; i < 15; i++)
 273     {
 274         widget_gotoyx (h, BY + 1, advanced_chown_but[4].x + 6 + i);
 275         tty_print_char (ch_flags[10]);
 276     }
 277 }
 278
 279 /* --------------------------------------------------------------------------------------------- */
 280
 281 static void
 282 advanced_chown_refresh (WDialog * h)
 283 {
 284     dlg_default_repaint (h);
 285
 286     tty_setcolor (COLOR_NORMAL);
 287
 288     widget_gotoyx (h, BY - 1, advanced_chown_but[0].x + 5);
 289     tty_print_string (_("owner"));
 290     widget_gotoyx (h, BY - 1, advanced_chown_but[1].x + 5);
 291     tty_print_string (_("group"));
 292     widget_gotoyx (h, BY - 1, advanced_chown_but[2].x + 5);
 293     tty_print_string (_("other"));
 294
 295     widget_gotoyx (h, BY - 1, advanced_chown_but[3].x + 5);
 296     tty_print_string (_("owner"));
 297     widget_gotoyx (h, BY - 1, advanced_chown_but[4].x + 5);
 298     tty_print_string (_("group"));
 299
 300     widget_gotoyx (h, BY + 1, 3);
 301     tty_print_string (_("Flag"));
 302     print_flags (h);
 303 }
 304
 305 /* --------------------------------------------------------------------------------------------- */
 306
 307 static void
 308 advanced_chown_info_update (void)
 309 {
 310     char buffer[BUF_SMALL];
 311
 312     /* mode */
 313     g_snprintf (buffer, sizeof (buffer), "Permissions (octal): %o", get_mode ());
 314     label_set_text (l_mode, buffer);
 315
 316     /* permissions */
 317     update_permissions ();
 318 }
 319
 320 /* --------------------------------------------------------------------------------------------- */
 321
 322 static void
 323 update_mode (WGroup * g)
 324 {
 325     print_flags (DIALOG (g));
 326     advanced_chown_info_update ();
 327     widget_set_state (WIDGET (g->current->data), WST_FOCUSED, TRUE);
 328 }
 329
 330 /* --------------------------------------------------------------------------------------------- */
 331
 332 static cb_ret_t
 333 perm_button_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
 334 {
 335     WButton *b = BUTTON (w);
 336     WGroup *g = w->owner;
 337     int i = 0;
 338     int f_pos;
 339
 340     /* one of permission buttons */
 341     if (b == b_att[0])
 342         f_pos = 0;
 343     else if (b == b_att[1])
 344         f_pos = 1;
 345     else                        /* if (w == b_att [1] */
 346         f_pos = 2;
 347
 348     switch (msg)
 349     {
 350     case MSG_FOCUS:
 351         if (b->hotpos == -1)
 352             b->hotpos = 0;
 353
 354         flag_pos = f_pos * 3 + b->hotpos;
 355         return MSG_HANDLED;
 356
 357     case MSG_KEY:
 358         switch (parm)
 359         {
 360         case '*':
 361             parm = '=';
 362             MC_FALLTHROUGH;
 363
 364         case '-':
 365         case '=':
 366         case '+':
 367             flag_pos = f_pos * 3 + b->hotpos;
 368             ch_flags[flag_pos] = parm;
 369             update_mode (g);
 370             send_message (w, NULL, MSG_KEY, KEY_RIGHT, NULL);
 371             if (b->hotpos == 2)
 372                 group_select_next_widget (g);
 373             break;
 374
 375         case XCTRL ('f'):
 376         case KEY_RIGHT:
 377             {
 378                 cb_ret_t ret;
 379
 380                 ret = inc_flag_pos ();
 381                 b->hotpos = flag_pos % 3;
 382                 return ret;
 383             }
 384
 385         case XCTRL ('b'):
 386         case KEY_LEFT:
 387             {
 388                 cb_ret_t ret;
 389
 390                 ret = dec_flag_pos ();
 391                 b->hotpos = flag_pos % 3;
 392                 return ret;
 393             }
 394
 395         case 'x':
 396             i++;
 397             MC_FALLTHROUGH;
 398
 399         case 'w':
 400             i++;
 401             MC_FALLTHROUGH;
 402
 403         case 'r':
 404             b->hotpos = i;
 405             MC_FALLTHROUGH;
 406
 407         case ' ':
 408             i = b->hotpos;
 409
 410             flag_pos = f_pos * 3 + i;
 411             if (b->text.start[flag_pos % 3] == '-')
 412                 ch_flags[flag_pos] = '+';
 413             else
 414                 ch_flags[flag_pos] = '-';
 415             update_mode (w->owner);
 416             break;
 417
 418         case '4':
 419             i++;
 420             MC_FALLTHROUGH;
 421
 422         case '2':
 423             i++;
 424             MC_FALLTHROUGH;
 425
 426         case '1':
 427             b->hotpos = i;
 428             flag_pos = f_pos * 3 + i;
 429             ch_flags[flag_pos] = '=';
 430             update_mode (g);
 431             break;
 432
 433         default:
 434             break;
 435         }
 436         /* continue key handling in the dialog level */
 437         return MSG_NOT_HANDLED;
 438
 439     default:
 440         return button_default_callback (w, sender, msg, parm, data);
 441     }
 442 }
 443
 444 /* --------------------------------------------------------------------------------------------- */
 445
 446 static void
 447 perm_button_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
 448 {
 449     switch (msg)
 450     {
 451     case MSG_MOUSE_DOWN:
 452         /* place cursor on flag that is being modified */
 453         BUTTON (w)->hotpos = CLAMP (event->x - 1, 0, 2);
 454         MC_FALLTHROUGH;
 455
 456     default:
 457         button_mouse_default_callback (w, msg, event);
 458         break;
 459     }
 460 }
 461
 462 /* --------------------------------------------------------------------------------------------- */
 463
 464 static WButton *
 465 perm_button_new (int y, int x, int action, button_flags_t flags, const char *text,
 466                  bcback_fn callback)
 467 {
 468     WButton *b;
 469     Widget *w;
 470
 471     /* create base button using native API */
 472     b = button_new (y, x, action, flags, text, callback);
 473     w = WIDGET (b);
 474
 475     /* we don't want HOTKEY */
 476     widget_want_hotkey (w, FALSE);
 477
 478     w->callback = perm_button_callback;
 479     w->mouse_callback = perm_button_mouse_callback;
 480
 481     return b;
 482 }
 483
 484 /* --------------------------------------------------------------------------------------------- */
 485
 486 static cb_ret_t
 487 chl_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
 488 {
 489     switch (msg)
 490     {
 491     case MSG_KEY:
 492         switch (parm)
 493         {
 494         case KEY_LEFT:
 495         case KEY_RIGHT:
 496             {
 497                 WDialog *h = DIALOG (w);
 498
 499                 h->ret_value = parm;
 500                 dlg_stop (h);
 501             }
 502         default:
 503             break;
 504         }
 505         MC_FALLTHROUGH;
 506
 507     default:
 508         return dlg_default_callback (w, sender, msg, parm, data);
 509     }
 510 }
 511
 512 /* --------------------------------------------------------------------------------------------- */
 513
 514 static int
 515 user_group_button_cb (WButton * button, int action)
 516 {
 517     Widget *w = WIDGET (button);
 518     int f_pos;
 519     gboolean chl_end;
 520
 521     (void) action;
 522
 523     if (button == b_user)
 524         f_pos = BUTTONS_PERM - 2;
 525     else if (button == b_group)
 526         f_pos = BUTTONS_PERM - 1;
 527     else
 528         return 0;               /* do nothing */
 529
 530     do
 531     {
 532         WGroup *g = w->owner;
 533         WDialog *h = DIALOG (h);
 534         Widget *wh = WIDGET (h);
 535
 536         gboolean is_owner = (f_pos == BUTTONS_PERM - 2);
 537         const char *title;
 538         int lxx, b_pos;
 539         WDialog *chl_dlg;
 540         WListbox *chl_list;
 541         int result;
 542         int fe;
 543         struct passwd *chl_pass;
 544         struct group *chl_grp;
 545
 546         chl_end = FALSE;
 547
 548         if (is_owner)
 549         {
 550             title = _("owner");
 551             lxx = WIDGET (b_user)->x + 1;
 552         }
 553         else
 554         {
 555             title = _("group");
 556             lxx = WIDGET (b_group)->x + 1;
 557         }
 558
 559         chl_dlg =
 560             dlg_create (TRUE, wh->y - 1, lxx, wh->lines + 2, 17, WPOS_KEEP_DEFAULT, TRUE,
 561                         dialog_colors, chl_callback, NULL, "[Advanced Chown]", title);
 562
 563         /* get new listboxes */
 564         chl_list =
 565             listbox_new (1, 1, WIDGET (chl_dlg)->lines - 2, WIDGET (chl_dlg)->cols - 2, FALSE,
 566                          NULL);
 567         listbox_add_item (chl_list, LISTBOX_APPEND_AT_END, 0, "<Unknown>", NULL, FALSE);
 568         if (is_owner)
 569         {
 570             /* get and put user names in the listbox */
 571             setpwent ();
 572             while ((chl_pass = getpwent ()) != NULL)
 573                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_pass->pw_name, NULL,
 574                                   FALSE);
 575             endpwent ();
 576             fe = listbox_search_text (chl_list, get_owner (sf_stat.st_uid));
 577         }
 578         else
 579         {
 580             /* get and put group names in the listbox */
 581             setgrent ();
 582             while ((chl_grp = getgrent ()) != NULL)
 583                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_grp->gr_name, NULL,
 584                                   FALSE);
 585             endgrent ();
 586             fe = listbox_search_text (chl_list, get_group (sf_stat.st_gid));
 587         }
 588
 589         listbox_select_entry (chl_list, fe);
 590
 591         b_pos = chl_list->pos;
 592         group_add_widget (GROUP (chl_dlg), chl_list);
 593
 594         result = dlg_run (chl_dlg);
 595
 596         if (result != B_CANCEL)
 597         {
 598             if (b_pos != chl_list->pos)
 599             {
 600                 gboolean ok = FALSE;
 601                 char *text;
 602
 603                 listbox_get_current (chl_list, &text, NULL);
 604                 if (is_owner)
 605                 {
 606                     chl_pass = getpwnam (text);
 607                     if (chl_pass != NULL)
 608                     {
 609                         sf_stat.st_uid = chl_pass->pw_uid;
 610                         ok = TRUE;
 611                     }
 612                 }
 613                 else
 614                 {
 615                     chl_grp = getgrnam (text);
 616                     if (chl_grp != NULL)
 617                     {
 618                         sf_stat.st_gid = chl_grp->gr_gid;
 619                         ok = TRUE;
 620                     }
 621                 }
 622
 623                 if (!ok)
 624                     group_select_current_widget (g);
 625                 else
 626                 {
 627                     ch_flags[f_pos + 6] = '+';
 628                     update_ownership ();
 629                     group_select_current_widget (g);
 630                     print_flags (h);
 631                 }
 632             }
 633
 634             if (result == KEY_LEFT)
 635             {
 636                 if (!is_owner)
 637                     chl_end = TRUE;
 638                 group_select_prev_widget (g);
 639                 f_pos--;
 640             }
 641             else if (result == KEY_RIGHT)
 642             {
 643                 if (is_owner)
 644                     chl_end = TRUE;
 645                 group_select_next_widget (g);
 646                 f_pos++;
 647             }
 648         }
 649
 650         /* Here we used to redraw the window */
 651         dlg_destroy (chl_dlg);
 652     }
 653     while (chl_end);
 654
 655     return 0;
 656 }
 657
 658 /* --------------------------------------------------------------------------------------------- */
 659
 660 static cb_ret_t
 661 advanced_chown_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
 662 {
 663     WGroup *g = GROUP (w);
 664     WDialog *h = DIALOG (w);
 665     int i = 0;
 666
 667     switch (msg)
 668     {
 669     case MSG_DRAW:
 670         advanced_chown_refresh (h);
 671         advanced_chown_info_update ();
 672         return MSG_HANDLED;
 673
 674     case MSG_KEY:
 675         switch (parm)
 676         {
 677         case ALT ('x'):
 678             i++;
 679             MC_FALLTHROUGH;
 680
 681         case ALT ('w'):
 682             i++;
 683             MC_FALLTHROUGH;
 684
 685         case ALT ('r'):
 686             parm = i + 3;
 687             for (i = 0; i < 3; i++)
 688                 ch_flags[i * 3 + parm - 3] = (x_toggle & (1 << parm)) ? '-' : '+';
 689             x_toggle ^= (1 << parm);
 690             update_mode (g);
 691             dlg_broadcast_msg (h, MSG_DRAW);
 692             break;
 693
 694         case XCTRL ('x'):
 695             i++;
 696             MC_FALLTHROUGH;
 697
 698         case XCTRL ('w'):
 699             i++;
 700             MC_FALLTHROUGH;
 701
 702         case XCTRL ('r'):
 703             parm = i;
 704             for (i = 0; i < 3; i++)
 705                 ch_flags[i * 3 + parm] = (x_toggle & (1 << parm)) ? '-' : '+';
 706             x_toggle ^= (1 << parm);
 707             update_mode (g);
 708             dlg_broadcast_msg (h, MSG_DRAW);
 709             break;
 710
 711         default:
 712             break;
 713         }
 714         return MSG_NOT_HANDLED;
 715
 716     default:
 717         return dlg_default_callback (w, sender, msg, parm, data);
 718     }
 719 }
 720
 721 /* --------------------------------------------------------------------------------------------- */
 722
 723 static WDialog *
 724 advanced_chown_init (void)
 725 {
 726     gboolean single_set;
 727     WDialog *ch_dlg;
 728     WGroup *ch_grp;
 729     int lines = 12;
 730     int cols = 74;
 731     int i;
 732     int y;
 733
 734     memset (ch_flags, '=', 11);
 735     flag_pos = 0;
 736     x_toggle = 070;
 737
 738     single_set = (current_panel->marked < 2);
 739     if (!single_set)
 740         lines += 2;
 741
 742     ch_dlg =
 743         dlg_create (TRUE, 0, 0, lines, cols, WPOS_CENTER, FALSE, dialog_colors,
 744                     advanced_chown_callback, NULL, "[Advanced Chown]", _("Chown advanced command"));
 745     ch_grp = GROUP (ch_dlg);
 746
 747     l_filename = label_new (2, 3, "");
 748     group_add_widget (ch_grp, l_filename);
 749
 750     group_add_widget (ch_grp, hline_new (3, -1, -1));
 751
 752 #define XTRACT(i,y,cb) y, BX+advanced_chown_but[i].x, \
 753         advanced_chown_but[i].ret_cmd, advanced_chown_but[i].flags, \
 754         (advanced_chown_but[i].text), cb
 755     b_att[0] = perm_button_new (XTRACT (0, BY, NULL));
 756     advanced_chown_but[0].id = group_add_widget (ch_grp, b_att[0]);
 757     b_att[1] = perm_button_new (XTRACT (1, BY, NULL));
 758     advanced_chown_but[1].id = group_add_widget (ch_grp, b_att[1]);
 759     b_att[2] = perm_button_new (XTRACT (2, BY, NULL));
 760     advanced_chown_but[2].id = group_add_widget (ch_grp, b_att[2]);
 761     b_user = button_new (XTRACT (3, BY, user_group_button_cb));
 762     advanced_chown_but[3].id = group_add_widget (ch_grp, b_user);
 763     b_group = button_new (XTRACT (4, BY, user_group_button_cb));
 764     advanced_chown_but[4].id = group_add_widget (ch_grp, b_group);
 765
 766     l_mode = label_new (BY + 2, 3, "");
 767     group_add_widget (ch_grp, l_mode);
 768
 769     y = BY + 3;
 770     if (!single_set)
 771     {
 772         i = BUTTONS_PERM;
 773         group_add_widget (ch_grp, hline_new (y++, -1, -1));
 774         advanced_chown_but[i].id = group_add_widget (ch_grp,
 775                                                      button_new (y,
 776                                                                  WIDGET (ch_dlg)->cols / 2 -
 777                                                                  advanced_chown_but[i].len,
 778                                                                  advanced_chown_but[i].ret_cmd,
 779                                                                  advanced_chown_but[i].flags,
 780                                                                  advanced_chown_but[i].text, NULL));
 781         i++;
 782         advanced_chown_but[i].id = group_add_widget (ch_grp,
 783                                                      button_new (y, WIDGET (ch_dlg)->cols / 2 + 1,
 784                                                                  advanced_chown_but[i].ret_cmd,
 785                                                                  advanced_chown_but[i].flags,
 786                                                                  advanced_chown_but[i].text, NULL));
 787         y++;
 788     }
 789
 790     i = BUTTONS_PERM + 2;
 791     group_add_widget (ch_grp, hline_new (y++, -1, -1));
 792     advanced_chown_but[i].id = group_add_widget (ch_grp,
 793                                                  button_new (y,
 794                                                              WIDGET (ch_dlg)->cols / 2 -
 795                                                              advanced_chown_but[i].len,
 796                                                              advanced_chown_but[i].ret_cmd,
 797                                                              advanced_chown_but[i].flags,
 798                                                              advanced_chown_but[i].text, NULL));
 799     i++;
 800     advanced_chown_but[i].id = group_add_widget (ch_grp,
 801                                                  button_new (y, WIDGET (ch_dlg)->cols / 2 + 1,
 802                                                              advanced_chown_but[i].ret_cmd,
 803                                                              advanced_chown_but[i].flags,
 804                                                              advanced_chown_but[i].text, NULL));
 805
 806     widget_select (WIDGET (b_att[0]));
 807
 808     return ch_dlg;
 809 }
 810
 811 /* --------------------------------------------------------------------------------------------- */
 812
 813 static void
 814 advanced_chown_done (gboolean need_update)
 815 {
 816     if (need_update)
 817         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 818     repaint_screen ();
 819 }
 820
 821 /* --------------------------------------------------------------------------------------------- */
 822
 823 static const char *
 824 next_file (void)
 825 {
 826     while (!current_panel->dir.list[current_file].f.marked)
 827         current_file++;
 828
 829     return current_panel->dir.list[current_file].fname;
 830 }
 831
 832 /* --------------------------------------------------------------------------------------------- */
 833
 834 static gboolean
 835 try_advanced_chown (const vfs_path_t * p, mode_t m, uid_t u, gid_t g)
 836 {
 837     int chmod_result;
 838     const char *fname;
 839
 840     fname = x_basename (vfs_path_as_str (p));
 841
 842     while ((chmod_result = mc_chmod (p, m)) == -1 && !ignore_all)
 843     {
 844         int my_errno = errno;
 845         int result;
 846         char *msg;
 847
 848         msg = g_strdup_printf (_("Cannot chmod \"%s\"\n%s"), fname, unix_error_string (my_errno));
 849         result =
 850             query_dialog (MSG_ERROR, msg, D_ERROR, 4, _("&Ignore"), _("Ignore &all"), _("&Retry"),
 851                           _("&Cancel"));
 852         g_free (msg);
 853
 854         switch (result)
 855         {
 856         case 0:
 857             /* call mc_chown() only, if mc_chmod() didn't fail */
 858             return TRUE;
 859
 860         case 1:
 861             ignore_all = TRUE;
 862             /* call mc_chown() only, if mc_chmod() didn't fail */
 863             return TRUE;
 864
 865         case 2:
 866             /* retry chmod of this file */
 867             break;
 868
 869         case 3:
 870         default:
 871             /* stop remain files processing */
 872             return FALSE;
 873         }
 874     }
 875
 876     /* call mc_chown() only, if mc_chmod didn't fail */
 877     while (chmod_result != -1 && mc_chown (p, u, g) == -1 && !ignore_all)
 878     {
 879         int my_errno = errno;
 880         int result;
 881         char *msg;
 882
 883         msg = g_strdup_printf (_("Cannot chown \"%s\"\n%s"), fname, unix_error_string (my_errno));
 884         result =
 885             query_dialog (MSG_ERROR, msg, D_ERROR, 4, _("&Ignore"), _("Ignore &all"), _("&Retry"),
 886                           _("&Cancel"));
 887         g_free (msg);
 888
 889         switch (result)
 890         {
 891         case 0:
 892             /* try next file */
 893             return TRUE;
 894
 895         case 1:
 896             ignore_all = TRUE;
 897             /* try next file */
 898             return TRUE;
 899
 900         case 2:
 901             /* retry chown of this file */
 902             break;
 903
 904         case 3:
 905         default:
 906             /* stop remain files processing */
 907             return FALSE;
 908         }
 909     }
 910
 911     return TRUE;
 912
 913 }
 914
 915 /* --------------------------------------------------------------------------------------------- */
 916
 917 static gboolean
 918 do_advanced_chown (const vfs_path_t * p, mode_t m, uid_t u, gid_t g)
 919 {
 920     gboolean ret;
 921
 922     ret = try_advanced_chown (p, m, u, g);
 923
 924     do_file_mark (current_panel, current_file, 0);
 925
 926     return ret;
 927 }
 928
 929  /* --------------------------------------------------------------------------------------------- */
 930
 931 static void
 932 apply_advanced_chowns (vfs_path_t * vpath, struct stat *sf)
 933 {
 934     gid_t a_gid = sf->st_gid;
 935     uid_t a_uid = sf->st_uid;
 936     gboolean ok;
 937
 938     if (!do_advanced_chown
 939         (vpath, get_mode (), (ch_flags[9] == '+') ? a_uid : (uid_t) (-1),
 940          (ch_flags[10] == '+') ? a_gid : (gid_t) (-1)))
 941         return;
 942
 943     do
 944     {
 945         const char *fname;
 946
 947         fname = next_file ();
 948         vpath = vfs_path_from_str (fname);
 949         ok = (mc_stat (vpath, sf) == 0);
 950
 951         if (!ok)
 952         {
 953             /* if current file was deleted outside mc -- try next file */
 954             /* decrease current_panel->marked */
 955             do_file_mark (current_panel, current_file, 0);
 956
 957             /* try next file */
 958             ok = TRUE;
 959         }
 960         else
 961         {
 962             ch_cmode = sf->st_mode;
 963
 964             ok = do_advanced_chown (vpath, get_mode (),
 965                                     (ch_flags[9] == '+') ? a_uid : (uid_t) (-1),
 966                                     (ch_flags[10] == '+') ? a_gid : (gid_t) (-1));
 967         }
 968
 969         vfs_path_free (vpath);
 970     }
 971     while (ok && current_panel->marked != 0);
 972 }
 973
 974 /* --------------------------------------------------------------------------------------------- */
 975 /*** public functions ****************************************************************************/
 976 /* --------------------------------------------------------------------------------------------- */
 977
 978 void
 979 advanced_chown_cmd (void)
 980 {
 981     gboolean need_update;
 982     gboolean end_chown;
 983
 984     /* Number of files at startup */
 985     int files_on_begin;
 986
 987     files_on_begin = MAX (1, current_panel->marked);
 988
 989     advanced_chown_i18n ();
 990
 991     current_file = 0;
 992     ignore_all = FALSE;
 993
 994     do
 995     {                           /* do while any files remaining */
 996         vfs_path_t *vpath;
 997         WDialog *ch_dlg;
 998         const char *fname;
 999         int result;
1000         int file_idx;
1001         char buffer[BUF_MEDIUM];
1002
1003         do_refresh ();
1004
1005         need_update = FALSE;
1006         end_chown = FALSE;
1007
1008         if (current_panel->marked != 0)
1009             fname = next_file ();       /* next marked file */
1010         else
1011             fname = selection (current_panel)->fname;   /* single file */
1012
1013         vpath = vfs_path_from_str (fname);
1014
1015         if (mc_stat (vpath, &sf_stat) != 0)
1016         {
1017             vfs_path_free (vpath);
1018             break;
1019         }
1020
1021         ch_cmode = sf_stat.st_mode;
1022
1023         ch_dlg = advanced_chown_init ();
1024
1025         file_idx = files_on_begin == 1 ? 1 : (files_on_begin - current_panel->marked + 1);
1026         g_snprintf (buffer, sizeof (buffer), "%s (%d/%d)",
1027                     str_fit_to_term (fname, WIDGET (ch_dlg)->cols - 20, J_LEFT_FIT),
1028                     file_idx, files_on_begin);
1029         label_set_text (l_filename, buffer);
1030         update_ownership ();
1031
1032         result = dlg_run (ch_dlg);
1033
1034         switch (result)
1035         {
1036         case B_CANCEL:
1037             end_chown = TRUE;
1038             break;
1039
1040         case B_ENTER:
1041             if (current_panel->marked <= 1)
1042             {
1043                 /* single or last file */
1044                 if (mc_chmod (vpath, get_mode ()) == -1)
1045                     message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
1046                              fname, unix_error_string (errno));
1047                 /* call mc_chown only, if mc_chmod didn't fail */
1048                 else if (mc_chown
1049                          (vpath, (ch_flags[9] == '+') ? sf_stat.st_uid : (uid_t) (-1),
1050                           (ch_flags[10] == '+') ? sf_stat.st_gid : (gid_t) (-1)) == -1)
1051                     message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"), fname,
1052                              unix_error_string (errno));
1053
1054                 end_chown = TRUE;
1055             }
1056             else if (!try_advanced_chown
1057                      (vpath, get_mode (), (ch_flags[9] == '+') ? sf_stat.st_uid : (uid_t) (-1),
1058                       (ch_flags[10] == '+') ? sf_stat.st_gid : (gid_t) (-1)))
1059             {
1060                 /* stop multiple files processing */
1061                 result = B_CANCEL;
1062                 end_chown = TRUE;
1063             }
1064
1065             need_update = TRUE;
1066             break;
1067
1068         case B_SETALL:
1069             apply_advanced_chowns (vpath, &sf_stat);
1070             need_update = TRUE;
1071             end_chown = TRUE;
1072             break;
1073
1074         case B_SKIP:
1075         default:
1076             break;
1077         }
1078
1079         if (current_panel->marked != 0 && result != B_CANCEL)
1080         {
1081             do_file_mark (current_panel, current_file, 0);
1082             need_update = TRUE;
1083         }
1084
1085         vfs_path_free (vpath);
1086
1087         dlg_destroy (ch_dlg);
1088     }
1089     while (current_panel->marked != 0 && !end_chown);
1090
1091     advanced_chown_done (need_update);
1092 }
1093
1094 /* --------------------------------------------------------------------------------------------- */