src/chown.c

   1 /* Chown 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
  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 /* Needed for the extern declarations of integer parameters */
  39 #include "dir.h"
  40 #include "panel.h"              /* Needed for the externs */
  41 #include "chmod.h"
  42 #include "main.h"
  43 #include "chown.h"
  44 #include "wtools.h"             /* For init_box_colors */
  45 #include "../vfs/vfs.h"
  46
  47 #define UX              5
  48 #define UY              2
  49
  50 #define GX              27
  51 #define GY              2
  52
  53 #define BX              5
  54 #define BY              15
  55
  56 #define TX              50
  57 #define TY              2
  58
  59 #define BUTTONS         5
  60
  61 #define B_SETALL        B_USER
  62 #define B_SETUSR        B_USER + 1
  63 #define B_SETGRP        B_USER + 2
  64
  65 static int need_update, end_chown;
  66 static int current_file;
  67 static int single_set;
  68 static WListbox *l_user, *l_group;
  69
  70 static struct {
  71     int ret_cmd, flags, y, x;
  72     char *text;
  73 } chown_but[BUTTONS] = {
  74     { B_CANCEL, NORMAL_BUTTON,  0, 53, N_("&Cancel") },
  75     { B_ENTER,  DEFPUSH_BUTTON, 0, 40, N_("&Set") },
  76     { B_SETUSR, NORMAL_BUTTON,  0, 25, N_("Set &users") },
  77     { B_SETGRP, NORMAL_BUTTON,  0, 11, N_("Set &groups") },
  78     { B_SETALL, NORMAL_BUTTON,  0, 0,  N_("Set &all") },
  79 };
  80
  81 #define LABELS 5
  82 static struct {
  83     int y, x;
  84     WLabel *l;
  85 } chown_label [LABELS] = {
  86 { TY+2, TX+2 },
  87 { TY+4, TX+2 },
  88 { TY+6, TX+2 },
  89 { TY+8, TX+2 },
  90 { TY+10,TX+2 }
  91 };
  92
  93 static void
  94 chown_refresh (Dlg_head *h)
  95 {
  96     common_dialog_repaint (h);
  97
  98     attrset (COLOR_NORMAL);
  99
 100     draw_box (h, UY, UX, 12, 21);
 101     draw_box (h, GY, GX, 12, 21);
 102     draw_box (h, TY, TX, 12, 19);
 103
 104     dlg_move (h, TY + 1, TX + 1);
 105     addstr (_(" Name "));
 106     dlg_move (h, TY + 3, TX + 1);
 107     addstr (_(" Owner name "));
 108     dlg_move (h, TY + 5, TX + 1);
 109     addstr (_(" Group name "));
 110     dlg_move (h, TY + 7, TX + 1);
 111     addstr (_(" Size "));
 112     dlg_move (h, TY + 9, TX + 1);
 113     addstr (_(" Permission "));
 114
 115     attrset (COLOR_HOT_NORMAL);
 116     dlg_move (h, UY, UX + 1);
 117     addstr (_(" User name "));
 118     dlg_move (h, GY, GX + 1);
 119     addstr (_(" Group name "));
 120     dlg_move (h, TY, TX + 1);
 121     addstr (_(" File "));
 122 }
 123
 124 static char *
 125 next_file (void)
 126 {
 127     while (!cpanel->dir.list[current_file].f.marked)
 128         current_file++;
 129
 130     return cpanel->dir.list[current_file].fname;
 131 }
 132
 133 static int
 134 chown_callback (Dlg_head * h, int Par, int Msg)
 135 {
 136     switch (Msg) {
 137     case DLG_DRAW:
 138         chown_refresh (h);
 139         break;
 140     }
 141     return 0;
 142 }
 143
 144 static int
 145 l_call (void *data)
 146 {
 147     return 1;
 148 }
 149
 150 static Dlg_head *
 151 init_chown (void)
 152 {
 153     int i;
 154     struct passwd *l_pass;
 155     struct group *l_grp;
 156     Dlg_head *ch_dlg;
 157
 158     do_refresh ();
 159     end_chown = need_update = current_file = 0;
 160     single_set = (cpanel->marked < 2) ? 3 : 0;
 161
 162     ch_dlg =
 163         create_dlg (0, 0, 18, 74, dialog_colors, chown_callback, "[Chown]",
 164                     _(" Chown command "), DLG_CENTER);
 165
 166     for (i = 0; i < BUTTONS - single_set; i++)
 167         add_widget (ch_dlg,
 168                     button_new (BY + chown_but[i].y, BX + chown_but[i].x,
 169                                 chown_but[i].ret_cmd, chown_but[i].flags,
 170                                 _(chown_but[i].text), 0, 0, NULL));
 171
 172     /* Add the widgets for the file information */
 173     for (i = 0; i < LABELS; i++) {
 174         chown_label[i].l =
 175             label_new (chown_label[i].y, chown_label[i].x, "", NULL);
 176         add_widget (ch_dlg, chown_label[i].l);
 177     }
 178
 179     /* get new listboxes */
 180     l_user = listbox_new (UY + 1, UX + 1, 19, 10, 0, l_call, NULL);
 181     l_group = listbox_new (GY + 1, GX + 1, 19, 10, 0, l_call, NULL);
 182
 183     /* add fields for unknown names (numbers) */
 184     listbox_add_item (l_user, 0, 0, _("<Unknown user>"), NULL);
 185     listbox_add_item (l_group, 0, 0, _("<Unknown group>"), NULL);
 186
 187     /* get and put user names in the listbox */
 188     setpwent ();
 189     while ((l_pass = getpwent ())) {
 190         listbox_add_item (l_user, 0, 0, l_pass->pw_name, NULL);
 191     }
 192     endpwent ();
 193
 194     /* get and put group names in the listbox */
 195     setgrent ();
 196     while ((l_grp = getgrent ())) {
 197         listbox_add_item (l_group, 0, 0, l_grp->gr_name, NULL);
 198     }
 199     endgrent ();
 200
 201     /* add listboxes to the dialogs */
 202     add_widget (ch_dlg, l_group);
 203     add_widget (ch_dlg, l_user);
 204
 205     return ch_dlg;
 206 }
 207
 208 static void
 209 chown_done (void)
 210 {
 211     if (need_update)
 212         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 213     repaint_screen ();
 214 }
 215
 216 static inline void
 217 do_chown (uid_t u, gid_t g)
 218 {
 219     if (mc_chown (cpanel->dir.list [current_file].fname, u, g) == -1)
 220         message (1, MSG_ERROR, _(" Cannot chown \"%s\" \n %s "),
 221              cpanel->dir.list [current_file].fname, unix_error_string (errno));
 222
 223     do_file_mark (cpanel, current_file, 0);
 224 }
 225
 226 static void
 227 apply_chowns (uid_t u, gid_t g)
 228 {
 229     char *fname;
 230
 231     need_update = end_chown = 1;
 232     do_chown (u,g);
 233
 234     do {
 235         fname = next_file ();
 236
 237         do_chown (u,g);
 238     } while (cpanel->marked);
 239 }
 240
 241 #define chown_label(n,txt) label_set_text (chown_label [n].l, txt)
 242
 243 void
 244 chown_cmd (void)
 245 {
 246     char *fname;
 247     struct stat sf_stat;
 248     WLEntry *fe;
 249     Dlg_head *ch_dlg;
 250     uid_t new_user;
 251     gid_t new_group;
 252     char  buffer [BUF_TINY];
 253
 254     do {                        /* do while any files remaining */
 255         ch_dlg = init_chown ();
 256         new_user = new_group = -1;
 257
 258         if (cpanel->marked)
 259             fname = next_file ();               /* next marked file */
 260         else
 261             fname = selection (cpanel)->fname;          /* single file */
 262
 263         if (!stat_file (fname, &sf_stat)){      /* get status of file */
 264             destroy_dlg (ch_dlg);
 265             break;
 266         }
 267
 268         /* select in listboxes */
 269         fe = listbox_search_text (l_user, get_owner(sf_stat.st_uid));
 270         if (fe)
 271             listbox_select_entry (l_user, fe);
 272
 273         fe = listbox_search_text (l_group, get_group(sf_stat.st_gid));
 274         if (fe)
 275             listbox_select_entry (l_group, fe);
 276
 277         chown_label (0, name_trunc (fname, 15));
 278         chown_label (1, name_trunc (get_owner (sf_stat.st_uid), 15));
 279         chown_label (2, name_trunc (get_group (sf_stat.st_gid), 15));
 280         size_trunc_len (buffer, 15, sf_stat.st_size, 0);
 281         chown_label (3, buffer);
 282         chown_label (4, string_perm (sf_stat.st_mode));
 283
 284         run_dlg (ch_dlg);
 285
 286         switch (ch_dlg->ret_value) {
 287         case B_CANCEL:
 288             end_chown = 1;
 289             break;
 290
 291         case B_SETUSR:
 292         {
 293             struct passwd *user;
 294
 295             user = getpwnam (l_user->current->text);
 296             if (user){
 297                 new_user = user->pw_uid;
 298                 apply_chowns (new_user, new_group);
 299             }
 300             break;
 301         }
 302         case B_SETGRP:
 303         {
 304             struct group *grp;
 305
 306             grp = getgrnam (l_group->current->text);
 307             if (grp){
 308                 new_group = grp->gr_gid;
 309                 apply_chowns (new_user, new_group);
 310             }
 311             break;
 312         }
 313         case B_SETALL:
 314         case B_ENTER:
 315         {
 316             struct group *grp;
 317             struct passwd *user;
 318
 319             grp = getgrnam (l_group->current->text);
 320             if (grp)
 321                 new_group = grp->gr_gid;
 322             user = getpwnam (l_user->current->text);
 323             if (user)
 324                 new_user = user->pw_uid;
 325             if (ch_dlg->ret_value==B_ENTER) {
 326                 need_update = 1;
 327                 if (mc_chown (fname, new_user, new_group) == -1)
 328                     message (1, MSG_ERROR, _(" Cannot chown \"%s\" \n %s "),
 329                          fname, unix_error_string (errno));
 330             } else
 331                 apply_chowns (new_user, new_group);
 332             break;
 333         }
 334         }
 335
 336         if (cpanel->marked && ch_dlg->ret_value != B_CANCEL){
 337             do_file_mark (cpanel, current_file, 0);
 338             need_update = 1;
 339         }
 340         destroy_dlg (ch_dlg);
 341     } while (cpanel->marked && !end_chown);
 342
 343     chown_done ();
 344 }