src/chmod.c

   1 /* Chmod command -- for the Midnight Commander
   2    Copyright (C) 1994 Radek Doulik
   3
   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.
   8
   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.
  13
  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.
  17  */
  18
  19 #include <config.h>
  20 #include <string.h>
  21 #include <stdio.h>
  22 #include <errno.h>      /* For errno on SunOS systems         */
  23 /* Needed for the extern declarations of integer parameters */
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #ifdef HAVE_UNISTD_H
  27 #   include <unistd.h>
  28 #endif
  29
  30 #include "global.h"
  31 #include "tty.h"
  32 #include "win.h"
  33 #include "color.h"
  34 #include "dlg.h"
  35 #include "widget.h"
  36 #include "dialog.h"     /* For do_refresh() */
  37
  38 #include "dir.h"
  39 #include "panel.h"              /* Needed for the externs */
  40 #include "file.h"
  41 #include "main.h"
  42 #include "chmod.h"
  43 #include "achown.h"
  44 #include "chown.h"
  45 #include "../vfs/vfs.h"
  46
  47 static int single_set;
  48 static struct Dlg_head *ch_dlg;
  49
  50 #define PX              5
  51 #define PY              2
  52
  53 #define FX              40
  54 #define FY              2
  55
  56 #define BX              6
  57 #define BY              17
  58
  59 #define TX              40
  60 #define TY              12
  61
  62 #define PERMISSIONS     12
  63 #define BUTTONS         6
  64
  65 #define B_MARKED        B_USER
  66 #define B_ALL           B_USER+1
  67 #define B_SETMRK        B_USER+2
  68 #define B_CLRMRK        B_USER+3
  69
  70 static int mode_change, need_update;
  71 static int c_file, end_chmod;
  72
  73 static umode_t and_mask, or_mask, c_stat;
  74 static char *c_fname, *c_fown, *c_fgrp;
  75
  76 static WLabel *statl;
  77 static int normal_color;
  78 static int title_color;
  79 static int selection_color;
  80
  81 static struct {
  82     mode_t mode;
  83     char *text;
  84     int selected;
  85     WCheck *check;
  86 } check_perm[PERMISSIONS] =
  87 {
  88     { S_IXOTH, N_("execute/search by others"), 0, 0, },
  89     { S_IWOTH, N_("write by others"), 0, 0, },
  90     { S_IROTH, N_("read by others"), 0, 0, },
  91     { S_IXGRP, N_("execute/search by group"), 0, 0, },
  92     { S_IWGRP, N_("write by group"), 0, 0, },
  93     { S_IRGRP, N_("read by group"), 0, 0, },
  94     { S_IXUSR, N_("execute/search by owner"), 0, 0, },
  95     { S_IWUSR, N_("write by owner"), 0, 0, },
  96     { S_IRUSR, N_("read by owner"), 0, 0, },
  97     { S_ISVTX, N_("sticky bit"), 0, 0, },
  98     { S_ISGID, N_("set group ID on execution"), 0, 0, },
  99     { S_ISUID, N_("set user ID on execution"), 0, 0, },
 100 };
 101
 102 static struct {
 103     int ret_cmd, flags, y, x;
 104     char *text;
 105 } chmod_but[BUTTONS] =
 106 {
 107     { B_CANCEL, NORMAL_BUTTON,  2, 33, N_("&Cancel") },
 108     { B_ENTER,  DEFPUSH_BUTTON, 2, 17, N_("&Set") },
 109     { B_CLRMRK, NORMAL_BUTTON,  0, 42, N_("C&lear marked") },
 110     { B_SETMRK, NORMAL_BUTTON,  0, 27, N_("S&et marked") },
 111     { B_MARKED, NORMAL_BUTTON,  0, 12, N_("&Marked all") },
 112     { B_ALL,    NORMAL_BUTTON,  0, 0,  N_("Set &all") },
 113 };
 114
 115 static void chmod_toggle_select (void)
 116 {
 117     int Id = ch_dlg->current->dlg_id - BUTTONS + single_set * 2;
 118
 119     attrset (normal_color);
 120     check_perm[Id].selected ^= 1;
 121
 122     dlg_move (ch_dlg, PY + PERMISSIONS - Id, PX + 1);
 123     addch ((check_perm[Id].selected) ? '*' : ' ');
 124     dlg_move (ch_dlg, PY + PERMISSIONS - Id, PX + 3);
 125 }
 126
 127 static void chmod_refresh (void)
 128 {
 129     attrset (COLOR_NORMAL);
 130     dlg_erase (ch_dlg);
 131
 132     draw_box (ch_dlg, 1, 2, 20 - single_set, 66);
 133     draw_box (ch_dlg, PY, PX, PERMISSIONS + 2, 33);
 134     draw_box (ch_dlg, FY, FX, 10, 25);
 135
 136     dlg_move (ch_dlg, FY + 1, FX + 2);
 137     addstr (_("Name"));
 138     dlg_move (ch_dlg, FY + 3, FX + 2);
 139     addstr (_("Permissions (Octal)"));
 140     dlg_move (ch_dlg, FY + 5, FX + 2);
 141     addstr (_("Owner name"));
 142     dlg_move (ch_dlg, FY + 7, FX + 2);
 143     addstr (_("Group name"));
 144
 145     attrset (title_color);
 146     dlg_move (ch_dlg, 1, 28);
 147     addstr (_(" Chmod command "));
 148     dlg_move (ch_dlg, PY, PX + 1);
 149     addstr (_(" Permission "));
 150     dlg_move (ch_dlg, FY, FX + 1);
 151     addstr (_(" File "));
 152
 153     attrset (selection_color);
 154
 155     dlg_move (ch_dlg, TY, TX);
 156     addstr (_("Use SPACE to change"));
 157     dlg_move (ch_dlg, TY + 1, TX);
 158     addstr (_("an option, ARROW KEYS"));
 159     dlg_move (ch_dlg, TY + 2, TX);
 160     addstr (_("to move between options"));
 161     dlg_move (ch_dlg, TY + 3, TX);
 162     addstr (_("and T or INS to mark"));
 163 }
 164
 165 static int chmod_callback (Dlg_head *h, int Par, int Msg)
 166 {
 167     char buffer [BUF_TINY];
 168
 169     switch (Msg) {
 170     case DLG_ACTION:
 171         if (Par >= BUTTONS - single_set * 2){
 172             c_stat ^= check_perm[Par - BUTTONS + single_set * 2].mode;
 173             g_snprintf (buffer, sizeof (buffer), "%o", c_stat);
 174             label_set_text (statl, buffer);
 175             chmod_toggle_select ();
 176             mode_change = 1;
 177         }
 178         break;
 179
 180     case DLG_KEY:
 181         if ((Par == 'T' || Par == 't' || Par == KEY_IC) &&
 182             ch_dlg->current->dlg_id >= BUTTONS - single_set * 2) {
 183             chmod_toggle_select ();
 184             if (Par == KEY_IC)
 185                 dlg_one_down (ch_dlg);
 186             return 1;
 187         }
 188         break;
 189
 190     case DLG_DRAW:
 191         chmod_refresh ();
 192         break;
 193     }
 194     return 0;
 195 }
 196
 197 static void init_chmod (void)
 198 {
 199     int i;
 200
 201     do_refresh ();
 202     end_chmod = c_file = need_update = 0;
 203     single_set = (cpanel->marked < 2) ? 2 : 0;
 204
 205     if (use_colors){
 206         normal_color = COLOR_NORMAL;
 207         title_color  = COLOR_HOT_NORMAL;
 208         selection_color = COLOR_NORMAL;
 209     } else {
 210         normal_color = NORMAL_COLOR;
 211         title_color  = SELECTED_COLOR;
 212         selection_color = SELECTED_COLOR;
 213     }
 214
 215     ch_dlg = create_dlg (0, 0, 22 - single_set, 70, dialog_colors,
 216                          chmod_callback, "[Chmod]", "chmod", DLG_CENTER);
 217
 218     x_set_dialog_title (ch_dlg, _("Chmod command"));
 219
 220 #define XTRACT(i) BY+chmod_but[i].y-single_set, BX+chmod_but[i].x, \
 221      chmod_but[i].ret_cmd, chmod_but[i].flags, _(chmod_but[i].text), 0, 0, NULL
 222
 223     for (i = 0; i < BUTTONS; i++) {
 224         if (i == 2 && single_set)
 225             break;
 226         else
 227             add_widget (ch_dlg, button_new (XTRACT (i)));
 228     }
 229
 230
 231 #define XTRACT2(i) 0, _(check_perm [i].text), NULL
 232     for (i = 0; i < PERMISSIONS; i++) {
 233         check_perm[i].check = check_new (PY + (PERMISSIONS - i), PX + 2,
 234                                          XTRACT2 (i));
 235         add_widget (ch_dlg, check_perm[i].check);
 236     }
 237 }
 238
 239 int stat_file (char *filename, struct stat *st)
 240 {
 241     if (mc_stat (filename, st))
 242         return 0;
 243
 244     return 1;
 245 }
 246
 247 static void chmod_done (void)
 248 {
 249     if (need_update)
 250         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 251     repaint_screen ();
 252 }
 253
 254 static char *next_file (void)
 255 {
 256     while (!cpanel->dir.list[c_file].f.marked)
 257         c_file++;
 258
 259     return cpanel->dir.list[c_file].fname;
 260 }
 261
 262 static void do_chmod (struct stat *sf)
 263 {
 264     sf->st_mode &= and_mask;
 265     sf->st_mode |= or_mask;
 266     if (mc_chmod (cpanel->dir.list [c_file].fname, sf->st_mode) == -1)
 267         message (1, MSG_ERROR, _(" Couldn't chmod \"%s\" \n %s "),
 268              cpanel->dir.list [c_file].fname, unix_error_string (errno));
 269
 270     do_file_mark (cpanel, c_file, 0);
 271 }
 272
 273 static void apply_mask (struct stat *sf)
 274 {
 275     char *fname;
 276
 277     need_update = end_chmod = 1;
 278     do_chmod (sf);
 279
 280     do {
 281         fname = next_file ();
 282         if (!stat_file (fname, sf))
 283             return;
 284         c_stat = sf->st_mode;
 285
 286         do_chmod (sf);
 287     } while (cpanel->marked);
 288 }
 289
 290 void chmod_cmd (void)
 291 {
 292     char buffer [BUF_TINY];
 293     char *fname;
 294     int i;
 295     struct stat sf_stat;
 296
 297     do {                        /* do while any files remaining */
 298         init_chmod ();
 299         if (cpanel->marked)
 300             fname = next_file ();       /* next marked file */
 301         else
 302             fname = selection (cpanel)->fname;  /* single file */
 303
 304         if (!stat_file (fname, &sf_stat)){      /* get status of file */
 305             destroy_dlg (ch_dlg);
 306             break;
 307         }
 308
 309         c_stat = sf_stat.st_mode;
 310         mode_change = 0;        /* clear changes flag */
 311
 312         /* set check buttons */
 313         for (i = 0; i < PERMISSIONS; i++){
 314             check_perm[i].check->state = (c_stat & check_perm[i].mode) ? 1 : 0;
 315             check_perm[i].selected = 0;
 316         }
 317
 318         /* Set the labels */
 319         c_fname = name_trunc (fname, 21);
 320         add_widget (ch_dlg, label_new (FY+2, FX+2, c_fname, NULL));
 321         c_fown = name_trunc (get_owner (sf_stat.st_uid), 21);
 322         add_widget (ch_dlg, label_new (FY+6, FX+2, c_fown, NULL));
 323         c_fgrp = name_trunc (get_group (sf_stat.st_gid), 21);
 324         add_widget (ch_dlg, label_new (FY+8, FX+2, c_fgrp, NULL));
 325         g_snprintf (buffer, sizeof (buffer), "%o", c_stat);
 326         statl = label_new (FY+4, FX+2, buffer, NULL);
 327         add_widget (ch_dlg, statl);
 328
 329         run_dlg (ch_dlg);       /* retrieve an action */
 330
 331         /* do action */
 332         switch (ch_dlg->ret_value){
 333         case B_ENTER:
 334             if (mode_change)
 335                 if (mc_chmod (fname, c_stat) == -1)
 336                     message (1, MSG_ERROR, _(" Couldn't chmod \"%s\" \n %s "),
 337                          fname, unix_error_string (errno));
 338             need_update = 1;
 339             break;
 340
 341         case B_CANCEL:
 342             end_chmod = 1;
 343             break;
 344
 345         case B_ALL:
 346         case B_MARKED:
 347             and_mask = or_mask = 0;
 348             and_mask = ~and_mask;
 349
 350             for (i = 0; i < PERMISSIONS; i++) {
 351                 if (check_perm[i].selected || ch_dlg->ret_value == B_ALL) {
 352                     if (check_perm[i].check->state & C_BOOL)
 353                         or_mask |= check_perm[i].mode;
 354                     else
 355                         and_mask &= ~check_perm[i].mode;
 356                 }
 357             }
 358
 359             apply_mask (&sf_stat);
 360             break;
 361
 362         case B_SETMRK:
 363             and_mask = or_mask = 0;
 364             and_mask = ~and_mask;
 365
 366             for (i = 0; i < PERMISSIONS; i++) {
 367                 if (check_perm[i].selected)
 368                     or_mask |= check_perm[i].mode;
 369             }
 370
 371             apply_mask (&sf_stat);
 372             break;
 373         case B_CLRMRK:
 374             and_mask = or_mask = 0;
 375             and_mask = ~and_mask;
 376
 377             for (i = 0; i < PERMISSIONS; i++) {
 378                 if (check_perm[i].selected)
 379                     and_mask &= ~check_perm[i].mode;
 380             }
 381
 382             apply_mask (&sf_stat);
 383             break;
 384         }
 385
 386         if (cpanel->marked && ch_dlg->ret_value!=B_CANCEL) {
 387             do_file_mark (cpanel, c_file, 0);
 388             need_update = 1;
 389         }
 390         destroy_dlg (ch_dlg);
 391     } while (cpanel->marked && !end_chmod);
 392     chmod_done ();
 393 }
 394
 395 void ch1_cmd (int id)
 396 {
 397   if (advanced_chfns)
 398       chown_advanced_cmd ();
 399   else
 400       chmod_cmd ();
 401 }
 402
 403 void ch2_cmd (int id)
 404 {
 405   if (advanced_chfns)
 406       chown_advanced_cmd ();
 407   else
 408       chown_cmd ();
 409 }
 410