sm/misc.c

   1 /* misc.c - Miscellaneous fucntions
   2  *      Copyright (C) 2004 Free Software Foundation, Inc.
   3  *
   4  * This file is part of GnuPG.
   5  *
   6  * GnuPG is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GnuPG is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <config.h>
  21 #include <errno.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <ctype.h>
  26 #include <unistd.h>
  27 #ifdef HAVE_LOCALE_H
  28 #include <locale.h>
  29 #endif
  30
  31 #include "gpgsm.h"
  32 #include "i18n.h"
  33 #include "setenv.h"
  34
  35 /* Setup the environment so that the pinentry is able to get all
  36    required information.  This is used prior to an exec of the
  37    protect-tool. */
  38 void
  39 setup_pinentry_env (void)
  40 {
  41 #ifndef HAVE_W32_SYSTEM
  42   char *lc;
  43
  44   if (opt.display)
  45     setenv ("DISPLAY", opt.display, 1);
  46
  47   /* Try to make sure that GPG_TTY has been set.  This is needed if we
  48      call for example the protect-tools with redirected stdin and thus
  49      it won't be able to ge a default by itself.  Try to do it here
  50      but print a warning.  */
  51   if (opt.ttyname)
  52     setenv ("GPG_TTY", opt.ttyname, 1);
  53   else if (!(lc=getenv ("GPG_TTY")) || !*lc)
  54     {
  55       log_error (_("GPG_TTY has not been set - "
  56                    "using maybe bogus default\n"));
  57       lc = ttyname (0);
  58       if (!lc)
  59         lc = "/dev/tty";
  60       setenv ("GPG_TTY", lc, 1);
  61     }
  62
  63   if (opt.ttytype)
  64     setenv ("TERM", opt.ttytype, 1);
  65
  66   if (opt.lc_ctype)
  67     setenv ("LC_CTYPE", opt.lc_ctype, 1);
  68 #if defined(HAVE_SETLOCALE) && defined(LC_CTYPE)
  69   else if ( (lc = setlocale (LC_CTYPE, "")) )
  70     setenv ("LC_CTYPE", lc, 1);
  71 #endif
  72
  73   if (opt.lc_messages)
  74     setenv ("LC_MESSAGES", opt.lc_messages, 1);
  75 #if defined(HAVE_SETLOCALE) && defined(LC_MESSAGES)
  76   else if ( (lc = setlocale (LC_MESSAGES, "")) )
  77     setenv ("LC_MESSAGES", lc, 1);
  78 #endif
  79
  80   if (opt.xauthority)
  81     setenv ("XAUTHORITY", opt.xauthority, 1);
  82
  83   if (opt.pinentry_user_data)
  84     setenv ("PINENTRY_USER_DATA", opt.pinentry_user_data, 1);
  85
  86 #endif /*!HAVE_W32_SYSTEM*/
  87 }
  88