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[midnight-commander.git] / src / achown.c
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1 /* Chown-advanced command -- for the Midnight Commander
2 Copyright (C) 1994, 1995 Radek Doulik
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #include <config.h>
20 /* Needed for the extern declarations of integer parameters */
21 #include <sys/types.h>
22 #include <sys/param.h>
23 #include <sys/stat.h>
24 #include <grp.h>
25 #include <pwd.h>
26 #ifdef HAVE_UNISTD_H
27 # include <unistd.h>
28 #endif
29 #include <string.h>
30 #include <stdio.h>
31 #include <errno.h> /* For errno on SunOS systems */
32 #include "tty.h"
33 #include "global.h"
34 #include "win.h"
35 #include "color.h"
36 #include "dlg.h"
37 #include "widget.h"
38 #include "dialog.h" /* For do_refresh() */
39 #include "wtools.h" /* For init_box_colors() */
40 #include "key.h" /* XCTRL and ALT macros */
42 #include "dir.h"
43 #include "panel.h" /* Needed for the externs */
44 #include "file.h"
45 #include "chmod.h"
46 #include "main.h"
47 #include "achown.h"
48 #include "../vfs/vfs.h"
50 #define BX 5
51 #define BY 6
53 #define TX 50
54 #define TY 2
56 #define BUTTONS 9
58 #define B_SETALL B_USER
59 #define B_SKIP B_USER + 1
61 #define B_OWN B_USER + 3
62 #define B_GRP B_USER + 4
63 #define B_OTH B_USER + 5
64 #define B_OUSER B_USER + 6
65 #define B_OGROUP B_USER + 7
67 static struct {
68 int ret_cmd, flags, y, x;
69 char *text;
70 } chown_advanced_but [BUTTONS] = {
71 { B_CANCEL, NORMAL_BUTTON, 4, 53, N_("&Cancel") },
72 { B_ENTER, DEFPUSH_BUTTON,4, 40, N_("&Set") },
73 { B_SKIP, NORMAL_BUTTON, 4, 23, N_("S&kip") },
74 { B_SETALL, NORMAL_BUTTON, 4, 0, N_("Set &all")},
75 { B_ENTER, NARROW_BUTTON, 0, 47, " "},
76 { B_ENTER, NARROW_BUTTON, 0, 29, " "},
77 { B_ENTER, NARROW_BUTTON, 0, 19, " "},
78 { B_ENTER, NARROW_BUTTON, 0, 11, " "},
79 { B_ENTER, NARROW_BUTTON, 0, 3, " "},
82 static WButton *b_att[3]; /* permission */
83 static WButton *b_user, *b_group; /* owner */
85 static int files_on_begin; /* Number of files at startup */
86 static int flag_pos;
87 static int x_toggle;
88 static char ch_flags[11];
89 static char *ch_perm = "rwx";
90 static umode_t ch_cmode;
91 struct stat *sf_stat;
92 static int need_update;
93 static int end_chown;
94 static int current_file;
95 static int single_set;
96 static char *fname;
98 static void get_ownership ()
99 { /* set buttons - ownership */
100 char *name_t;
102 name_t = name_trunc (get_owner (sf_stat->st_uid), 15);
103 memset (b_user->text, ' ', 15);
104 strncpy (b_user->text, name_t, strlen (name_t));
105 name_t = name_trunc (get_group (sf_stat->st_gid), 15);
106 memset (b_group->text, ' ', 15);
107 strncpy (b_group->text, name_t, strlen (name_t));
111 static int inc_flag_pos (int f_pos)
113 if (flag_pos == 10) {
114 flag_pos = 0;
115 return 0;
117 flag_pos++;
118 if (!(flag_pos % 3) || f_pos > 2)
119 return 0;
120 return 1;
123 static int dec_flag_pos (int f_pos)
125 if (!flag_pos) {
126 flag_pos = 10;
127 return 0;
129 flag_pos--;
130 if (!((flag_pos + 1) % 3) || f_pos > 2)
131 return 0;
132 return 1;
135 static void set_perm_by_flags (char *s, int f_p)
137 int i;
139 for (i = 0; i < 3; i++)
140 if (ch_flags[f_p + i] == '+')
141 s[i] = ch_perm[i];
142 else if (ch_flags[f_p + i] == '-')
143 s[i] = '-';
144 else
145 s[i] = (ch_cmode & (1 << (8 - f_p - i))) ? ch_perm[i] : '-';
148 static void set_perm (char *s, int p)
150 s[0] = (p & 4) ? 'r' : '-';
151 s[1] = (p & 2) ? 'w' : '-';
152 s[2] = (p & 1) ? 'x' : '-';
155 static umode_t get_perm (char *s, int base)
157 umode_t m;
159 m = 0;
160 m |= (s [0] == '-') ? 0 :
161 ((s[0] == '+') ? (1 << (base + 2)) : (1 << (base + 2)) & ch_cmode);
163 m |= (s [1] == '-') ? 0 :
164 ((s[1] == '+') ? (1 << (base + 1)) : (1 << (base + 1)) & ch_cmode);
166 m |= (s [2] == '-') ? 0 :
167 ((s[2] == '+') ? (1 << base) : (1 << base) & ch_cmode);
169 return m;
172 static umode_t get_mode ()
174 umode_t m;
176 m = ch_cmode ^ (ch_cmode & 0777);
177 m |= get_perm (ch_flags, 6);
178 m |= get_perm (ch_flags + 3, 3);
179 m |= get_perm (ch_flags + 6, 0);
181 return m;
184 static void print_flags (void)
186 int i;
188 attrset (COLOR_NORMAL);
190 for (i = 0; i < 3; i++){
191 dlg_move (ch_dlg, BY+1, 9+i);
192 addch (ch_flags [i]);
195 for (i = 0; i < 3; i++){
196 dlg_move (ch_dlg, BY + 1, 17 + i);
197 addch (ch_flags [i+3]);
200 for (i = 0; i < 3; i++){
201 dlg_move (ch_dlg, BY + 1, 25 + i);
202 addch (ch_flags [i+6]);
205 set_perm_by_flags (b_att[0]->text, 0);
206 set_perm_by_flags (b_att[1]->text, 3);
207 set_perm_by_flags (b_att[2]->text, 6);
209 for (i = 0; i < 15; i++){
210 dlg_move (ch_dlg, BY+1, 35+i);
211 addch (ch_flags[9]);
213 for (i = 0; i < 15; i++){
214 dlg_move (ch_dlg, BY + 1, 53 + i);
215 addch (ch_flags[10]);
219 static void update_mode (Dlg_head * h)
221 print_flags ();
222 attrset (COLOR_NORMAL);
223 dlg_move (h, BY + 2, 9);
224 printw ("%12o", get_mode ());
225 send_message (h, h->current->widget, WIDGET_FOCUS, 0);
228 static int l_call (void *data)
230 return 1;
233 static int chl_callback (Dlg_head * h, int Par, int Msg)
235 switch (Msg) {
236 case DLG_DRAW:
237 attrset (COLOR_NORMAL);
238 dlg_erase (h);
239 draw_box (h, 0, 0, 13, 17);
240 break;
242 case DLG_KEY:
243 switch (Par) {
244 case KEY_LEFT:
245 case KEY_RIGHT:
246 h->ret_value = Par;
247 dlg_stop (h);
250 return 0;
253 static void do_enter_key (Dlg_head *h, int f_pos)
255 Dlg_head *chl_dlg;
256 WListbox *chl_list;
257 struct passwd *chl_pass;
258 struct group *chl_grp;
259 WLEntry *fe;
260 int lxx, lyy, chl_end, b_pos;
262 do {
263 lxx = (COLS - 74) / 2 + ((f_pos == 3) ? 35 : 53);
264 lyy = (LINES - 13) / 2;
265 chl_end = 0;
267 chl_dlg = create_dlg (lyy, lxx, 13, 17, dialog_colors, chl_callback,
268 "[Chown-advanced]", "achown_enter", DLG_NONE);
270 /* get new listboxes */
271 chl_list = listbox_new (1, 1, 15, 11, 0, l_call, NULL);
273 listbox_add_item (chl_list, 0, 0, "<Unknown>", NULL);
275 if (f_pos == 3) {
276 /* get and put user names in the listbox */
277 setpwent ();
278 while ((chl_pass = getpwent ()))
279 listbox_add_item (chl_list, 0, 0, chl_pass->pw_name, NULL);
280 endpwent ();
281 fe = listbox_search_text (chl_list, get_owner (sf_stat->st_uid));
283 else
285 /* get and put group names in the listbox */
286 setgrent ();
287 while ((chl_grp = getgrent ())) {
288 listbox_add_item (chl_list, 0, 0, chl_grp->gr_name, NULL);
290 endgrent ();
291 fe = listbox_search_text (chl_list, get_group (sf_stat->st_gid));
294 if (fe)
295 listbox_select_entry (chl_list, fe);
297 b_pos = chl_list->pos;
298 add_widget (chl_dlg, chl_list);
300 run_dlg (chl_dlg);
302 if (b_pos != chl_list->pos){
303 int ok = 0;
304 if (f_pos == 3){
305 chl_pass = getpwnam (chl_list->current->text);
306 if (chl_pass){
307 ok = 1;
308 sf_stat->st_uid = chl_pass->pw_uid;
310 } else {
311 chl_grp = getgrnam (chl_list->current->text);
312 if (chl_grp){
313 sf_stat->st_gid = chl_grp->gr_gid;
314 ok = 1;
317 if (ok){
318 ch_flags [f_pos + 6] = '+';
319 get_ownership ();
321 dlg_focus (h);
322 if (ok)
323 print_flags ();
325 if (chl_dlg->ret_value == KEY_LEFT){
326 if (f_pos == 4)
327 chl_end = 1;
328 dlg_one_up (ch_dlg);
329 f_pos--;
330 } else if (chl_dlg->ret_value == KEY_RIGHT) {
331 if (f_pos == 3)
332 chl_end = 1;
333 dlg_one_down (ch_dlg);
334 f_pos++;
336 /* Here we used to redraw the window */
337 destroy_dlg (chl_dlg);
338 } while (chl_end);
341 static void chown_refresh (void)
343 attrset (COLOR_NORMAL);
344 dlg_erase (ch_dlg);
346 draw_box (ch_dlg, 1, 2, 11, 70);
348 dlg_move (ch_dlg, BY - 1, 8);
349 addstr (_("owner"));
350 dlg_move (ch_dlg, BY - 1, 16);
351 addstr (_("group"));
352 dlg_move (ch_dlg, BY - 1, 24);
353 addstr (_("other"));
355 dlg_move (ch_dlg, BY - 1, 35);
356 addstr (_("owner"));
357 dlg_move (ch_dlg, BY - 1, 53);
358 addstr (_("group"));
360 dlg_move (ch_dlg, 3, 4);
361 addstr (_("On"));
362 dlg_move (ch_dlg, BY + 1, 4);
363 addstr (_("Flag"));
364 dlg_move (ch_dlg, BY + 2, 4);
365 addstr (_("Mode"));
368 if (!single_set){
369 dlg_move (ch_dlg, 3, 54);
370 printw (_("%6d of %d"), files_on_begin - (cpanel->marked) + 1,
371 files_on_begin);
374 print_flags ();
376 attrset (COLOR_HOT_NORMAL);
377 dlg_move (ch_dlg, 1, 24);
378 addstr (_(" Chown advanced command "));
381 static void chown_info_update ()
383 /* display file info */
384 attrset (COLOR_NORMAL);
386 /* name && mode */
387 dlg_move (ch_dlg, 3, 8);
388 printw ("%s", name_trunc (fname, 45));
389 dlg_move (ch_dlg, BY + 2, 9);
390 printw ("%12o", get_mode ());
392 /* permissions */
393 set_perm (b_att[0]->text, sf_stat->st_mode >> 6);
394 set_perm (b_att[1]->text, sf_stat->st_mode >> 3);
395 set_perm (b_att[2]->text, sf_stat->st_mode);
398 static void b_setpos (int f_pos) {
399 b_att[0]->hotpos=-1;
400 b_att[1]->hotpos=-1;
401 b_att[2]->hotpos=-1;
402 b_att[f_pos]->hotpos = (flag_pos % 3);
405 static int advanced_chown_callback (Dlg_head * h, int Par, int Msg)
407 int i = 0, f_pos = BUTTONS - h->current->dlg_id - single_set - 1;
409 switch (Msg) {
410 case DLG_DRAW:
411 chown_refresh ();
412 chown_info_update ();
413 return 1;
415 case DLG_POST_KEY:
416 if (f_pos < 3)
417 b_setpos (f_pos);
418 break;
420 case DLG_FOCUS:
421 if (f_pos < 3) {
422 if ((flag_pos / 3) != f_pos)
423 flag_pos = f_pos * 3;
424 b_setpos (f_pos);
425 } else if (f_pos < 5)
426 flag_pos = f_pos + 6;
427 break;
429 case DLG_KEY:
430 switch (Par) {
432 case XCTRL('b'):
433 case KEY_LEFT:
434 if (f_pos < 5)
435 return (dec_flag_pos (f_pos));
436 break;
438 case XCTRL('f'):
439 case KEY_RIGHT:
440 if (f_pos < 5)
441 return (inc_flag_pos (f_pos));
442 break;
444 case ' ':
445 if (f_pos < 3)
446 return 1;
447 break;
449 case '\n':
450 case KEY_ENTER:
451 if (f_pos <= 2 || f_pos >= 5)
452 break;
453 do_enter_key (h, f_pos);
454 return 1;
456 case ALT ('x'):
457 i++;
459 case ALT ('w'):
460 i++;
462 case ALT ('r'):
463 Par = i + 3;
464 for (i = 0; i < 3; i++)
465 ch_flags[i * 3 + Par - 3] = (x_toggle & (1 << Par)) ? '-' : '+';
466 x_toggle ^= (1 << Par);
467 update_mode (h);
468 dlg_broadcast_msg (h, WIDGET_DRAW, 0);
469 send_message (h, h->current->widget, WIDGET_FOCUS, 0);
470 break;
472 case XCTRL ('x'):
473 i++;
475 case XCTRL ('w'):
476 i++;
478 case XCTRL ('r'):
479 Par = i;
480 for (i = 0; i < 3; i++)
481 ch_flags[i * 3 + Par] = (x_toggle & (1 << Par)) ? '-' : '+';
482 x_toggle ^= (1 << Par);
483 update_mode (h);
484 dlg_broadcast_msg (h, WIDGET_DRAW, 0);
485 send_message (h, h->current->widget, WIDGET_FOCUS, 0);
486 break;
488 case 'x':
489 i++;
491 case 'w':
492 i++;
494 case 'r':
495 if (f_pos > 2)
496 break;
497 flag_pos = f_pos * 3 + i; /* (strchr(ch_perm,Par)-ch_perm); */
498 if (((WButton *) h->current->widget)->text[(flag_pos % 3)] == '-')
499 ch_flags[flag_pos] = '+';
500 else
501 ch_flags[flag_pos] = '-';
502 update_mode (h);
503 break;
505 case '4':
506 i++;
508 case '2':
509 i++;
511 case '1':
512 if (f_pos > 2)
513 break;
514 flag_pos = i + f_pos * 3;
515 ch_flags[flag_pos] = '=';
516 update_mode (h);
517 break;
519 case '-':
520 if (f_pos > 2)
521 break;
523 case '*':
524 if (Par == '*')
525 Par = '=';
527 case '=':
528 case '+':
529 if (f_pos > 4)
530 break;
531 ch_flags[flag_pos] = Par;
532 update_mode (h);
533 advanced_chown_callback (h, KEY_RIGHT, DLG_KEY);
534 if (flag_pos>8 || !(flag_pos%3)) dlg_one_down (h);
536 break;
538 return 0;
540 return 0;
543 static void init_chown_advanced (void)
545 int i;
547 sf_stat = g_new (struct stat, 1);
548 do_refresh ();
549 end_chown = need_update = current_file = 0;
550 single_set = (cpanel->marked < 2) ? 2 : 0;
551 memset (ch_flags, '=', 11);
552 flag_pos = 0;
553 x_toggle = 070;
555 ch_dlg = create_dlg (0, 0, 13, 74, dialog_colors, advanced_chown_callback,
556 "[Chown-advanced]", "achown", DLG_CENTER);
558 #define XTRACT(i) BY+chown_advanced_but[i].y, BX+chown_advanced_but[i].x, \
559 chown_advanced_but[i].ret_cmd, chown_advanced_but[i].flags, _(chown_advanced_but[i].text), \
560 0, 0, NULL
562 for (i = 0; i < BUTTONS - 5; i++)
563 if (!single_set || i < 2)
564 add_widget (ch_dlg, button_new (XTRACT (i)));
566 b_att[0] = button_new (XTRACT (8));
567 b_att[1] = button_new (XTRACT (7));
568 b_att[2] = button_new (XTRACT (6));
569 b_user = button_new (XTRACT (5));
570 b_group = button_new (XTRACT (4));
572 add_widget (ch_dlg, b_group);
573 add_widget (ch_dlg, b_user);
574 add_widget (ch_dlg, b_att[2]);
575 add_widget (ch_dlg, b_att[1]);
576 add_widget (ch_dlg, b_att[0]);
579 static void
580 chown_advanced_done (void)
582 g_free (sf_stat);
583 if (need_update)
584 update_panels (UP_OPTIMIZE, UP_KEEPSEL);
585 repaint_screen ();
588 #if 0
589 static inline void do_chown (uid_t u, gid_t g)
591 chown (cpanel->dir.list[current_file].fname, u, g);
592 file_mark (cpanel, current_file, 0);
594 #endif
596 static char *next_file (void)
598 while (!cpanel->dir.list[current_file].f.marked)
599 current_file++;
601 return cpanel->dir.list[current_file].fname;
604 static void apply_advanced_chowns (struct stat *sf)
606 char *fname;
607 gid_t a_gid = sf->st_gid;
608 uid_t a_uid = sf->st_uid;
610 fname = cpanel->dir.list[current_file].fname;
611 need_update = end_chown = 1;
612 if (mc_chmod (fname, get_mode ()) == -1)
613 message (1, MSG_ERROR, _(" Couldn't chmod \"%s\" \n %s "),
614 fname, unix_error_string (errno));
615 /* call mc_chown only, if mc_chmod didn't fail */
616 else if (mc_chown (fname, (ch_flags[9] == '+') ? sf->st_uid : -1,
617 (ch_flags[10] == '+') ? sf->st_gid : -1) == -1)
618 message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
619 fname, unix_error_string (errno));
620 do_file_mark (cpanel, current_file, 0);
622 do {
623 fname = next_file ();
625 if (!stat_file (fname, sf))
626 break;
627 ch_cmode = sf->st_mode;
628 if (mc_chmod (fname, get_mode ()) == -1)
629 message (1, MSG_ERROR, _(" Couldn't chmod \"%s\" \n %s "),
630 fname, unix_error_string (errno));
631 /* call mc_chown only, if mc_chmod didn't fail */
632 else if (mc_chown (fname, (ch_flags[9] == '+') ? a_uid : -1, (ch_flags[10] == '+') ? a_gid : -1) == -1)
633 message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
634 fname, unix_error_string (errno));
636 do_file_mark (cpanel, current_file, 0);
637 } while (cpanel->marked);
640 void
641 chown_advanced_cmd (void)
644 files_on_begin = cpanel->marked;
646 #if 0
647 /* I think that this code is trying to be much too clever -- pavel@ucw.cz */
648 if (!vfs_current_is_local ()) {
649 if (vfs_current_is_extfs ()) {
650 message (1, _(" Oops... "),
651 _(" I can't run the Advanced Chown command on an extfs "));
652 return;
653 } else if (vfs_current_is_tarfs ()) {
654 message (1, _(" Oops... "),
655 _(" I can't run the Advanced Chown command on a tarfs "));
656 return;
659 #endif
661 do { /* do while any files remaining */
662 init_chown_advanced ();
664 if (cpanel->marked)
665 fname = next_file (); /* next marked file */
666 else
667 fname = selection (cpanel)->fname; /* single file */
669 if (!stat_file (fname, sf_stat)){ /* get status of file */
670 destroy_dlg (ch_dlg);
671 break;
673 ch_cmode = sf_stat->st_mode;
675 chown_refresh ();
677 get_ownership ();
679 /* game can begin */
680 run_dlg (ch_dlg);
682 switch (ch_dlg->ret_value) {
683 case B_CANCEL:
684 end_chown = 1;
685 break;
687 case B_ENTER:
688 need_update = 1;
689 if (mc_chmod (fname, get_mode ()) == -1)
690 message (1, MSG_ERROR, _(" Couldn't chmod \"%s\" \n %s "),
691 fname, unix_error_string (errno));
692 /* call mc_chown only, if mc_chmod didn't fail */
693 else if (mc_chown (fname, (ch_flags[9] == '+') ? sf_stat->st_uid : -1, (ch_flags[10] == '+') ? sf_stat->st_gid : -1) == -1)
694 message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
695 fname, unix_error_string (errno));
696 break;
697 case B_SETALL:
698 apply_advanced_chowns (sf_stat);
699 break;
701 case B_SKIP:
702 break;
706 if (cpanel->marked && ch_dlg->ret_value != B_CANCEL) {
707 do_file_mark (cpanel, current_file, 0);
708 need_update = 1;
710 destroy_dlg (ch_dlg);
711 } while (cpanel->marked && !end_chown);
713 chown_advanced_done ();