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 struct Dlg_head *ch_dlg;
  67 static int need_update, end_chown;
  68 static int current_file;
  69 static int single_set;
  70 static WListbox *l_user, *l_group;
  71
  72 static struct {
  73     int ret_cmd, flags, y, x;
  74     char *text;
  75 } chown_but[BUTTONS] = {
  76     { B_CANCEL, NORMAL_BUTTON,  0, 53, N_("&Cancel") },
  77     { B_ENTER,  DEFPUSH_BUTTON, 0, 40, N_("&Set") },
  78     { B_SETUSR, NORMAL_BUTTON,  0, 25, N_("Set &users") },
  79     { B_SETGRP, NORMAL_BUTTON,  0, 11, N_("Set &groups") },
  80     { B_SETALL, NORMAL_BUTTON,  0, 0,  N_("Set &all") },
  81 };
  82
  83 #define LABELS 5
  84 static struct {
  85     int y, x;
  86     WLabel *l;
  87 } chown_label [LABELS] = {
  88 { TY+2, TX+2 },
  89 { TY+4, TX+2 },
  90 { TY+6, TX+2 },
  91 { TY+8, TX+2 },
  92 { TY+10,TX+2 }
  93 };
  94
  95 static void
  96 chown_refresh (void)
  97 {
  98     attrset (COLOR_NORMAL);
  99     dlg_erase (ch_dlg);
 100
 101     draw_box (ch_dlg, 1, 2, 16, 70);
 102     draw_box (ch_dlg, UY, UX, 12, 21);
 103     draw_box (ch_dlg, GY, GX, 12, 21);
 104     draw_box (ch_dlg, TY, TX, 12, 19);
 105
 106     attrset (COLOR_NORMAL);
 107     dlg_move (ch_dlg, TY + 1, TX + 1);
 108     addstr (_(" Name "));
 109     dlg_move (ch_dlg, TY + 3, TX + 1);
 110     addstr (_(" Owner name "));
 111     dlg_move (ch_dlg, TY + 5, TX + 1);
 112     addstr (_(" Group name "));
 113     dlg_move (ch_dlg, TY + 7, TX + 1);
 114     addstr (_(" Size "));
 115     dlg_move (ch_dlg, TY + 9, TX + 1);
 116     addstr (_(" Permission "));
 117
 118     attrset (COLOR_HOT_NORMAL);
 119     dlg_move (ch_dlg, 1, 28);
 120     addstr (_(" Chown command "));
 121     dlg_move (ch_dlg, UY, UX + 1);
 122     addstr (_(" User name "));
 123     dlg_move (ch_dlg, GY, GX + 1);
 124     addstr (_(" Group name "));
 125     dlg_move (ch_dlg, TY, TX + 1);
 126     addstr (_(" File "));
 127 }
 128
 129 static char *
 130 next_file (void)
 131 {
 132     while (!cpanel->dir.list[current_file].f.marked)
 133         current_file++;
 134
 135     return cpanel->dir.list[current_file].fname;
 136 }
 137
 138 static int
 139 chown_callback (Dlg_head * h, int Par, int Msg)
 140 {
 141     switch (Msg) {
 142     case DLG_DRAW:
 143       chown_refresh ();
 144       break;
 145     }
 146     return 0;
 147 }
 148
 149 static int
 150 l_call (void *data)
 151 {
 152     return 1;
 153 }
 154
 155 static void
 156 init_chown (void)
 157 {
 158     int i;
 159     struct passwd *l_pass;
 160     struct group *l_grp;
 161
 162     do_refresh ();
 163     end_chown = need_update = current_file = 0;
 164     single_set = (cpanel->marked < 2) ? 3 : 0;
 165
 166     ch_dlg = create_dlg (0, 0, 18, 74, dialog_colors, chown_callback,
 167                          "[Chown]", "chown", DLG_CENTER);
 168
 169 #define XTRACT(i) BY+chown_but[i].y, BX+chown_but[i].x, chown_but[i].ret_cmd, chown_but[i].flags, _(chown_but[i].text), 0, 0, NULL
 170
 171     for (i = 0; i < BUTTONS-single_set; i++)
 172         add_widget (ch_dlg, button_new (XTRACT (i)));
 173
 174     /* Add the widgets for the file information */
 175 #define LX(i) chown_label [i].y, chown_label [i].x, "", NULL
 176     for (i = 0; i < LABELS; i++){
 177         chown_label [i].l = label_new (LX (i));
 178         add_widget (ch_dlg, chown_label [i].l);
 179     }
 180
 181     /* get new listboxes */
 182     l_user = listbox_new (UY + 1, UX + 1, 19, 10, 0, l_call, NULL);
 183     l_group = listbox_new (GY + 1, GX + 1, 19, 10, 0, l_call, NULL);
 184
 185     listbox_add_item (l_user, 0, 0, _("<Unknown user>"), NULL); /* add fields for unknown names (numbers) */
 186     listbox_add_item (l_group, 0, 0, _("<Unknown group>"), NULL);
 187
 188     setpwent ();                /* get and put user names in the listbox */
 189     while ((l_pass = getpwent ())) {
 190         listbox_add_item (l_user, 0, 0, l_pass->pw_name, NULL);
 191     }
 192     endpwent ();
 193
 194     setgrent ();                /* get and put group names in the listbox */
 195     while ((l_grp = getgrent ())) {
 196         listbox_add_item (l_group, 0, 0, l_grp->gr_name, NULL);
 197     }
 198     endgrent ();
 199
 200     add_widget (ch_dlg, l_group);
 201     add_widget (ch_dlg, l_user);        /* add listboxes to the dialogs */
 202 }
 203
 204 static void
 205 chown_done (void)
 206 {
 207     if (need_update)
 208         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 209     repaint_screen ();
 210 }
 211
 212 static inline void
 213 do_chown (uid_t u, gid_t g)
 214 {
 215     if (mc_chown (cpanel->dir.list [current_file].fname, u, g) == -1)
 216         message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
 217              cpanel->dir.list [current_file].fname, unix_error_string (errno));
 218
 219     do_file_mark (cpanel, current_file, 0);
 220 }
 221
 222 static void
 223 apply_chowns (uid_t u, gid_t g)
 224 {
 225     char *fname;
 226
 227     need_update = end_chown = 1;
 228     do_chown (u,g);
 229
 230     do {
 231         fname = next_file ();
 232
 233         do_chown (u,g);
 234     } while (cpanel->marked);
 235 }
 236
 237 #define chown_label(n,txt) label_set_text (chown_label [n].l, txt)
 238
 239 void
 240 chown_cmd (void)
 241 {
 242     char *fname;
 243     struct stat sf_stat;
 244     WLEntry *fe;
 245     uid_t new_user;
 246     gid_t new_group;
 247     char  buffer [BUF_TINY];
 248
 249     do {                        /* do while any files remaining */
 250         init_chown ();
 251         new_user = new_group = -1;
 252
 253         if (cpanel->marked)
 254             fname = next_file ();               /* next marked file */
 255         else
 256             fname = selection (cpanel)->fname;          /* single file */
 257
 258         if (!stat_file (fname, &sf_stat)){      /* get status of file */
 259             destroy_dlg (ch_dlg);
 260             break;
 261         }
 262
 263         /* select in listboxes */
 264         fe = listbox_search_text (l_user, get_owner(sf_stat.st_uid));
 265         if (fe)
 266             listbox_select_entry (l_user, fe);
 267
 268         fe = listbox_search_text (l_group, get_group(sf_stat.st_gid));
 269         if (fe)
 270             listbox_select_entry (l_group, fe);
 271
 272         chown_label (0, name_trunc (fname, 15));
 273         chown_label (1, name_trunc (get_owner (sf_stat.st_uid), 15));
 274         chown_label (2, name_trunc (get_group (sf_stat.st_gid), 15));
 275         size_trunc_len (buffer, 15, sf_stat.st_size, 0);
 276         chown_label (3, buffer);
 277         chown_label (4, string_perm (sf_stat.st_mode));
 278
 279         run_dlg (ch_dlg);
 280
 281         switch (ch_dlg->ret_value) {
 282         case B_CANCEL:
 283             end_chown = 1;
 284             break;
 285
 286         case B_SETUSR:
 287         {
 288             struct passwd *user;
 289
 290             user = getpwnam (l_user->current->text);
 291             if (user){
 292                 new_user = user->pw_uid;
 293                 apply_chowns (new_user, new_group);
 294             }
 295             break;
 296         }
 297         case B_SETGRP:
 298         {
 299             struct group *grp;
 300
 301             grp = getgrnam (l_group->current->text);
 302             if (grp){
 303                 new_group = grp->gr_gid;
 304                 apply_chowns (new_user, new_group);
 305             }
 306             break;
 307         }
 308         case B_SETALL:
 309         case B_ENTER:
 310         {
 311             struct group *grp;
 312             struct passwd *user;
 313
 314             grp = getgrnam (l_group->current->text);
 315             if (grp)
 316                 new_group = grp->gr_gid;
 317             user = getpwnam (l_user->current->text);
 318             if (user)
 319                 new_user = user->pw_uid;
 320             if (ch_dlg->ret_value==B_ENTER) {
 321                 need_update = 1;
 322                 if (mc_chown (fname, new_user, new_group) == -1)
 323                     message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
 324                          fname, unix_error_string (errno));
 325             } else
 326                 apply_chowns (new_user, new_group);
 327             break;
 328         }
 329         }
 330
 331         if (cpanel->marked && ch_dlg->ret_value != B_CANCEL){
 332             do_file_mark (cpanel, current_file, 0);
 333             need_update = 1;
 334         }
 335         destroy_dlg (ch_dlg);
 336     } while (cpanel->marked && !end_chown);
 337
 338     chown_done ();
 339 }