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 static int c_fsize;
  72
  73 static struct {
  74     int ret_cmd, flags, y, x;
  75     char *text;
  76 } chown_but[BUTTONS] = {
  77     { B_CANCEL, NORMAL_BUTTON,  0, 53, N_("&Cancel") },
  78     { B_ENTER,  DEFPUSH_BUTTON, 0, 40, N_("&Set") },
  79     { B_SETUSR, NORMAL_BUTTON,  0, 25, N_("Set &users") },
  80     { B_SETGRP, NORMAL_BUTTON,  0, 11, N_("Set &groups") },
  81     { B_SETALL, NORMAL_BUTTON,  0, 0,  N_("Set &all") },
  82 };
  83
  84 #define LABELS 5
  85 static struct {
  86     int y, x;
  87     WLabel *l;
  88 } chown_label [LABELS] = {
  89 { TY+2, TX+2 },
  90 { TY+4, TX+2 },
  91 { TY+6, TX+2 },
  92 { TY+8, TX+2 },
  93 { TY+10,TX+2 }
  94 };
  95
  96 #ifndef HAVE_X
  97 static void
  98 chown_refresh (void)
  99 {
 100     attrset (COLOR_NORMAL);
 101     dlg_erase (ch_dlg);
 102
 103     draw_box (ch_dlg, 1, 2, 16, 70);
 104     draw_box (ch_dlg, UY, UX, 12, 21);
 105     draw_box (ch_dlg, GY, GX, 12, 21);
 106     draw_box (ch_dlg, TY, TX, 12, 19);
 107
 108     attrset (COLOR_NORMAL);
 109     dlg_move (ch_dlg, TY + 1, TX + 1);
 110     addstr (_(" Name "));
 111     dlg_move (ch_dlg, TY + 3, TX + 1);
 112     addstr (_(" Owner name "));
 113     dlg_move (ch_dlg, TY + 5, TX + 1);
 114     addstr (_(" Group name "));
 115     dlg_move (ch_dlg, TY + 7, TX + 1);
 116     addstr (_(" Size "));
 117     dlg_move (ch_dlg, TY + 9, TX + 1);
 118     addstr (_(" Permission "));
 119
 120     attrset (COLOR_HOT_NORMAL);
 121     dlg_move (ch_dlg, 1, 28);
 122     addstr (_(" Chown command "));
 123     dlg_move (ch_dlg, UY, UX + 1);
 124     addstr (_(" User name "));
 125     dlg_move (ch_dlg, GY, GX + 1);
 126     addstr (_(" Group name "));
 127     dlg_move (ch_dlg, TY, TX + 1);
 128     addstr (_(" File "));
 129 }
 130 #endif
 131
 132 static char *
 133 next_file (void)
 134 {
 135     while (!cpanel->dir.list[current_file].f.marked)
 136         current_file++;
 137
 138     return cpanel->dir.list[current_file].fname;
 139 }
 140
 141 static int
 142 chown_callback (Dlg_head * h, int Par, int Msg)
 143 {
 144     switch (Msg) {
 145 #ifndef HAVE_X
 146     case DLG_DRAW:
 147       chown_refresh ();
 148       break;
 149 #endif
 150     }
 151     return 0;
 152 }
 153
 154 static int
 155 l_call (void *data)
 156 {
 157     return 1;
 158 }
 159
 160 static void
 161 init_chown (void)
 162 {
 163     int i;
 164     struct passwd *l_pass;
 165     struct group *l_grp;
 166
 167     do_refresh ();
 168     end_chown = need_update = current_file = 0;
 169     single_set = (cpanel->marked < 2) ? 3 : 0;
 170
 171     ch_dlg = create_dlg (0, 0, 18, 74, dialog_colors, chown_callback,
 172                          "[Chown]", "chown", DLG_CENTER);
 173
 174 #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
 175
 176     for (i = 0; i < BUTTONS-single_set; i++)
 177         add_widget (ch_dlg, button_new (XTRACT (i)));
 178
 179     /* Add the widgets for the file information */
 180 #define LX(i) chown_label [i].y, chown_label [i].x, "", NULL
 181     for (i = 0; i < LABELS; i++){
 182         chown_label [i].l = label_new (LX (i));
 183         add_widget (ch_dlg, chown_label [i].l);
 184     }
 185
 186     /* get new listboxes */
 187     l_user = listbox_new (UY + 1, UX + 1, 19, 10, 0, l_call, NULL);
 188     l_group = listbox_new (GY + 1, GX + 1, 19, 10, 0, l_call, NULL);
 189
 190     listbox_add_item (l_user, 0, 0, _("<Unknown user>"), NULL); /* add fields for unknown names (numbers) */
 191     listbox_add_item (l_group, 0, 0, _("<Unknown group>"), NULL);
 192
 193     setpwent ();                /* get and put user names in the listbox */
 194     while ((l_pass = getpwent ())) {
 195         listbox_add_item (l_user, 0, 0, l_pass->pw_name, NULL);
 196     }
 197     endpwent ();
 198
 199     setgrent ();                /* get and put group names in the listbox */
 200     while ((l_grp = getgrent ())) {
 201         listbox_add_item (l_group, 0, 0, l_grp->gr_name, NULL);
 202     }
 203     endgrent ();
 204
 205     add_widget (ch_dlg, l_group);
 206     add_widget (ch_dlg, l_user);        /* add listboxes to the dialogs */
 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     uid_t new_user;
 251     gid_t new_group;
 252     char  buffer [BUF_TINY];
 253
 254     do {                        /* do while any files remaining */
 255         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         g_snprintf (buffer, sizeof (buffer), "%d", c_fsize);
 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, _(" Couldn't 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 }