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 "file.h"
  42 #include "chmod.h"
  43 #include "main.h"
  44 #include "chown.h"
  45 #include "wtools.h"             /* For init_box_colors */
  46 #include "../vfs/vfs.h"
  47
  48 #define UX              5
  49 #define UY              2
  50
  51 #define GX              27
  52 #define GY              2
  53
  54 #define BX              5
  55 #define BY              15
  56
  57 #define TX              50
  58 #define TY              2
  59
  60 #define BUTTONS         5
  61
  62 #define B_SETALL        B_USER
  63 #define B_SETUSR        B_USER + 1
  64 #define B_SETGRP        B_USER + 2
  65
  66 static int need_update, end_chown;
  67 static int current_file;
  68 static int single_set;
  69 static WListbox *l_user, *l_group;
  70
  71 static struct {
  72     int ret_cmd, flags, y, x;
  73     char *text;
  74 } chown_but[BUTTONS] = {
  75     { B_CANCEL, NORMAL_BUTTON,  0, 53, N_("&Cancel") },
  76     { B_ENTER,  DEFPUSH_BUTTON, 0, 40, N_("&Set") },
  77     { B_SETUSR, NORMAL_BUTTON,  0, 25, N_("Set &users") },
  78     { B_SETGRP, NORMAL_BUTTON,  0, 11, N_("Set &groups") },
  79     { B_SETALL, NORMAL_BUTTON,  0, 0,  N_("Set &all") },
  80 };
  81
  82 #define LABELS 5
  83 static struct {
  84     int y, x;
  85     WLabel *l;
  86 } chown_label [LABELS] = {
  87 { TY+2, TX+2 },
  88 { TY+4, TX+2 },
  89 { TY+6, TX+2 },
  90 { TY+8, TX+2 },
  91 { TY+10,TX+2 }
  92 };
  93
  94 static void
  95 chown_refresh (Dlg_head *h)
  96 {
  97     common_dialog_repaint (h);
  98
  99     attrset (COLOR_NORMAL);
 100
 101     draw_box (h, UY, UX, 12, 21);
 102     draw_box (h, GY, GX, 12, 21);
 103     draw_box (h, TY, TX, 12, 19);
 104
 105     dlg_move (h, TY + 1, TX + 1);
 106     addstr (_(" Name "));
 107     dlg_move (h, TY + 3, TX + 1);
 108     addstr (_(" Owner name "));
 109     dlg_move (h, TY + 5, TX + 1);
 110     addstr (_(" Group name "));
 111     dlg_move (h, TY + 7, TX + 1);
 112     addstr (_(" Size "));
 113     dlg_move (h, TY + 9, TX + 1);
 114     addstr (_(" Permission "));
 115
 116     attrset (COLOR_HOT_NORMAL);
 117     dlg_move (h, UY, UX + 1);
 118     addstr (_(" User name "));
 119     dlg_move (h, GY, GX + 1);
 120     addstr (_(" Group name "));
 121     dlg_move (h, TY, TX + 1);
 122     addstr (_(" File "));
 123 }
 124
 125 static char *
 126 next_file (void)
 127 {
 128     while (!cpanel->dir.list[current_file].f.marked)
 129         current_file++;
 130
 131     return cpanel->dir.list[current_file].fname;
 132 }
 133
 134 static int
 135 chown_callback (Dlg_head * h, int Par, int Msg)
 136 {
 137     switch (Msg) {
 138     case DLG_DRAW:
 139         chown_refresh (h);
 140         break;
 141     }
 142     return 0;
 143 }
 144
 145 static int
 146 l_call (void *data)
 147 {
 148     return 1;
 149 }
 150
 151 static Dlg_head *
 152 init_chown (void)
 153 {
 154     int i;
 155     struct passwd *l_pass;
 156     struct group *l_grp;
 157     Dlg_head *ch_dlg;
 158
 159     do_refresh ();
 160     end_chown = need_update = current_file = 0;
 161     single_set = (cpanel->marked < 2) ? 3 : 0;
 162
 163     ch_dlg =
 164         create_dlg (0, 0, 18, 74, dialog_colors, chown_callback, "[Chown]",
 165                     _(" Chown command "), DLG_CENTER);
 166
 167     for (i = 0; i < BUTTONS - single_set; i++)
 168         add_widget (ch_dlg,
 169                     button_new (BY + chown_but[i].y, BX + chown_but[i].x,
 170                                 chown_but[i].ret_cmd, chown_but[i].flags,
 171                                 _(chown_but[i].text), 0, 0, NULL));
 172
 173     /* Add the widgets for the file information */
 174     for (i = 0; i < LABELS; i++) {
 175         chown_label[i].l =
 176             label_new (chown_label[i].y, chown_label[i].x, "", NULL);
 177         add_widget (ch_dlg, chown_label[i].l);
 178     }
 179
 180     /* get new listboxes */
 181     l_user = listbox_new (UY + 1, UX + 1, 19, 10, 0, l_call, NULL);
 182     l_group = listbox_new (GY + 1, GX + 1, 19, 10, 0, l_call, NULL);
 183
 184     /* add fields for unknown names (numbers) */
 185     listbox_add_item (l_user, 0, 0, _("<Unknown user>"), NULL);
 186     listbox_add_item (l_group, 0, 0, _("<Unknown group>"), NULL);
 187
 188     /* get and put user names in the listbox */
 189     setpwent ();
 190     while ((l_pass = getpwent ())) {
 191         listbox_add_item (l_user, 0, 0, l_pass->pw_name, NULL);
 192     }
 193     endpwent ();
 194
 195     /* get and put group names in the listbox */
 196     setgrent ();
 197     while ((l_grp = getgrent ())) {
 198         listbox_add_item (l_group, 0, 0, l_grp->gr_name, NULL);
 199     }
 200     endgrent ();
 201
 202     /* add listboxes to the dialogs */
 203     add_widget (ch_dlg, l_group);
 204     add_widget (ch_dlg, l_user);
 205
 206     return ch_dlg;
 207 }
 208
 209 static void
 210 chown_done (void)
 211 {
 212     if (need_update)
 213         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 214     repaint_screen ();
 215 }
 216
 217 static inline void
 218 do_chown (uid_t u, gid_t g)
 219 {
 220     if (mc_chown (cpanel->dir.list [current_file].fname, u, g) == -1)
 221         message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
 222              cpanel->dir.list [current_file].fname, unix_error_string (errno));
 223
 224     do_file_mark (cpanel, current_file, 0);
 225 }
 226
 227 static void
 228 apply_chowns (uid_t u, gid_t g)
 229 {
 230     char *fname;
 231
 232     need_update = end_chown = 1;
 233     do_chown (u,g);
 234
 235     do {
 236         fname = next_file ();
 237
 238         do_chown (u,g);
 239     } while (cpanel->marked);
 240 }
 241
 242 #define chown_label(n,txt) label_set_text (chown_label [n].l, txt)
 243
 244 void
 245 chown_cmd (void)
 246 {
 247     char *fname;
 248     struct stat sf_stat;
 249     WLEntry *fe;
 250     Dlg_head *ch_dlg;
 251     uid_t new_user;
 252     gid_t new_group;
 253     char  buffer [BUF_TINY];
 254
 255     do {                        /* do while any files remaining */
 256         ch_dlg = init_chown ();
 257         new_user = new_group = -1;
 258
 259         if (cpanel->marked)
 260             fname = next_file ();               /* next marked file */
 261         else
 262             fname = selection (cpanel)->fname;          /* single file */
 263
 264         if (!stat_file (fname, &sf_stat)){      /* get status of file */
 265             destroy_dlg (ch_dlg);
 266             break;
 267         }
 268
 269         /* select in listboxes */
 270         fe = listbox_search_text (l_user, get_owner(sf_stat.st_uid));
 271         if (fe)
 272             listbox_select_entry (l_user, fe);
 273
 274         fe = listbox_search_text (l_group, get_group(sf_stat.st_gid));
 275         if (fe)
 276             listbox_select_entry (l_group, fe);
 277
 278         chown_label (0, name_trunc (fname, 15));
 279         chown_label (1, name_trunc (get_owner (sf_stat.st_uid), 15));
 280         chown_label (2, name_trunc (get_group (sf_stat.st_gid), 15));
 281         size_trunc_len (buffer, 15, sf_stat.st_size, 0);
 282         chown_label (3, buffer);
 283         chown_label (4, string_perm (sf_stat.st_mode));
 284
 285         run_dlg (ch_dlg);
 286
 287         switch (ch_dlg->ret_value) {
 288         case B_CANCEL:
 289             end_chown = 1;
 290             break;
 291
 292         case B_SETUSR:
 293         {
 294             struct passwd *user;
 295
 296             user = getpwnam (l_user->current->text);
 297             if (user){
 298                 new_user = user->pw_uid;
 299                 apply_chowns (new_user, new_group);
 300             }
 301             break;
 302         }
 303         case B_SETGRP:
 304         {
 305             struct group *grp;
 306
 307             grp = getgrnam (l_group->current->text);
 308             if (grp){
 309                 new_group = grp->gr_gid;
 310                 apply_chowns (new_user, new_group);
 311             }
 312             break;
 313         }
 314         case B_SETALL:
 315         case B_ENTER:
 316         {
 317             struct group *grp;
 318             struct passwd *user;
 319
 320             grp = getgrnam (l_group->current->text);
 321             if (grp)
 322                 new_group = grp->gr_gid;
 323             user = getpwnam (l_user->current->text);
 324             if (user)
 325                 new_user = user->pw_uid;
 326             if (ch_dlg->ret_value==B_ENTER) {
 327                 need_update = 1;
 328                 if (mc_chown (fname, new_user, new_group) == -1)
 329                     message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
 330                          fname, unix_error_string (errno));
 331             } else
 332                 apply_chowns (new_user, new_group);
 333             break;
 334         }
 335         }
 336
 337         if (cpanel->marked && ch_dlg->ret_value != B_CANCEL){
 338             do_file_mark (cpanel, current_file, 0);
 339             need_update = 1;
 340         }
 341         destroy_dlg (ch_dlg);
 342     } while (cpanel->marked && !end_chown);
 343
 344     chown_done ();
 345 }