mirror of
git://git.gnupg.org/gnupg.git
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096e7457ec
The asymmetric quotes used by GNU in the past (`...') don't render nicely on modern systems. We now use two \x27 characters ('...'). The proper solution would be to use the correct Unicode symmetric quotes here. However this has the disadvantage that the system requires Unicode support. We don't want that today. If Unicode is available a generated po file can be used to output proper quotes. A simple sed script like the one used for en@quote is sufficient to change them. The changes have been done by applying sed -i "s/\`\([^'\`]*\)'/'\1'/g" to most files and fixing obvious problems by hand. The msgid strings in the po files were fixed with a similar command.
554 lines
13 KiB
C
554 lines
13 KiB
C
/* homedir.c - Setup the home directory.
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* Copyright (C) 2004, 2006, 2007, 2010 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <fcntl.h>
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#ifdef HAVE_W32_SYSTEM
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#include <shlobj.h>
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#ifndef CSIDL_APPDATA
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#define CSIDL_APPDATA 0x001a
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#endif
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#ifndef CSIDL_LOCAL_APPDATA
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#define CSIDL_LOCAL_APPDATA 0x001c
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#endif
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#ifndef CSIDL_COMMON_APPDATA
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#define CSIDL_COMMON_APPDATA 0x0023
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#endif
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#ifndef CSIDL_FLAG_CREATE
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#define CSIDL_FLAG_CREATE 0x8000
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#endif
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#endif /*HAVE_W32_SYSTEM*/
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#include "util.h"
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#include "sysutils.h"
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#ifdef HAVE_W32_SYSTEM
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static void
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w32_try_mkdir (const char *dir)
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{
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#ifdef HAVE_W32CE_SYSTEM
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wchar_t *wdir = utf8_to_wchar (dir);
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if (wdir)
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{
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CreateDirectory (wdir, NULL);
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xfree (wdir);
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}
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#else
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CreateDirectory (dir, NULL);
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#endif
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}
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#endif
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/* This is a helper function to load a Windows function from either of
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one DLLs. */
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#ifdef HAVE_W32_SYSTEM
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static HRESULT
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w32_shgetfolderpath (HWND a, int b, HANDLE c, DWORD d, LPSTR e)
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{
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static int initialized;
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static HRESULT (WINAPI * func)(HWND,int,HANDLE,DWORD,LPSTR);
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if (!initialized)
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{
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static char *dllnames[] = { "shell32.dll", "shfolder.dll", NULL };
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void *handle;
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int i;
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initialized = 1;
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for (i=0, handle = NULL; !handle && dllnames[i]; i++)
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{
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handle = dlopen (dllnames[i], RTLD_LAZY);
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if (handle)
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{
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func = dlsym (handle, "SHGetFolderPathA");
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if (!func)
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{
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dlclose (handle);
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handle = NULL;
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}
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}
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}
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}
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if (func)
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return func (a,b,c,d,e);
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else
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return -1;
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}
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#endif /*HAVE_W32_SYSTEM*/
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/* Get the standard home directory. In general this function should
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not be used as it does not consider a registry value (under W32) or
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the GNUPGHOME environment variable. It is better to use
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default_homedir(). */
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const char *
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standard_homedir (void)
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{
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#ifdef HAVE_W32_SYSTEM
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static const char *dir;
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if (!dir)
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{
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char path[MAX_PATH];
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/* It might be better to use LOCAL_APPDATA because this is
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defined as "non roaming" and thus more likely to be kept
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locally. For private keys this is desired. However, given
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that many users copy private keys anyway forth and back,
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using a system roaming services might be better than to let
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them do it manually. A security conscious user will anyway
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use the registry entry to have better control. */
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if (w32_shgetfolderpath (NULL, CSIDL_APPDATA|CSIDL_FLAG_CREATE,
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NULL, 0, path) >= 0)
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{
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char *tmp = xmalloc (strlen (path) + 6 +1);
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strcpy (stpcpy (tmp, path), "\\gnupg");
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dir = tmp;
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/* Try to create the directory if it does not yet exists. */
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if (access (dir, F_OK))
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w32_try_mkdir (dir);
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}
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else
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dir = GNUPG_DEFAULT_HOMEDIR;
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}
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return dir;
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#else/*!HAVE_W32_SYSTEM*/
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return GNUPG_DEFAULT_HOMEDIR;
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#endif /*!HAVE_W32_SYSTEM*/
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}
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/* Set up the default home directory. The usual --homedir option
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should be parsed later. */
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const char *
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default_homedir (void)
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{
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const char *dir;
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dir = getenv ("GNUPGHOME");
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#ifdef HAVE_W32_SYSTEM
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if (!dir || !*dir)
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{
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static const char *saved_dir;
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if (!saved_dir)
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{
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if (!dir || !*dir)
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{
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char *tmp;
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tmp = read_w32_registry_string (NULL, "Software\\GNU\\GnuPG",
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"HomeDir");
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if (tmp && !*tmp)
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{
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xfree (tmp);
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tmp = NULL;
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}
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if (tmp)
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saved_dir = tmp;
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}
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if (!saved_dir)
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saved_dir = standard_homedir ();
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}
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dir = saved_dir;
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}
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#endif /*HAVE_W32_SYSTEM*/
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if (!dir || !*dir)
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dir = GNUPG_DEFAULT_HOMEDIR;
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return dir;
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}
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#ifdef HAVE_W32_SYSTEM
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static const char *
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w32_rootdir (void)
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{
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static int got_dir;
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static char dir[MAX_PATH+5];
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if (!got_dir)
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{
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char *p;
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int rc;
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#ifdef HAVE_W32CE_SYSTEM
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{
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wchar_t wdir [MAX_PATH+5];
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rc = GetModuleFileName (NULL, wdir, MAX_PATH);
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if (rc && WideCharToMultiByte (CP_UTF8, 0, wdir, -1, dir, MAX_PATH-4,
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NULL, NULL) < 0)
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rc = 0;
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}
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#else
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rc = GetModuleFileName (NULL, dir, MAX_PATH);
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#endif
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if (!rc)
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{
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log_debug ("GetModuleFileName failed: %s\n", w32_strerror (0));
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*dir = 0;
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}
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got_dir = 1;
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p = strrchr (dir, DIRSEP_C);
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if (p)
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{
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*p = 0;
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/* If we are installed below "bin" we strip that and use
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the top directory instead. */
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p = strrchr (dir, DIRSEP_C);
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if (p && !strcmp (p+1, "bin"))
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*p = 0;
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}
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if (!p)
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{
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log_debug ("bad filename '%s' returned for this process\n", dir);
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*dir = 0;
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}
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}
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if (*dir)
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return dir;
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/* Fallback to the hardwired value. */
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return GNUPG_LIBEXECDIR;
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}
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static const char *
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w32_commondir (void)
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{
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static char *dir;
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if (!dir)
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{
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char path[MAX_PATH];
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if (w32_shgetfolderpath (NULL, CSIDL_COMMON_APPDATA,
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NULL, 0, path) >= 0)
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{
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char *tmp = xmalloc (strlen (path) + 4 +1);
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strcpy (stpcpy (tmp, path), "\\GNU");
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dir = tmp;
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/* No auto create of the directory. Either the installer or
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the admin has to create these directories. */
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}
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else
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{
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/* Ooops: Not defined - probably an old Windows version.
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Use the installation directory instead. */
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dir = xstrdup (w32_rootdir ());
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}
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}
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return dir;
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}
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#endif /*HAVE_W32_SYSTEM*/
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/* Return the name of the sysconfdir. This is a static string. This
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function is required because under Windows we can't simply compile
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it in. */
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const char *
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gnupg_sysconfdir (void)
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{
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#ifdef HAVE_W32_SYSTEM
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static char *name;
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if (!name)
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{
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const char *s1, *s2;
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s1 = w32_commondir ();
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s2 = DIRSEP_S "etc" DIRSEP_S "gnupg";
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name = xmalloc (strlen (s1) + strlen (s2) + 1);
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strcpy (stpcpy (name, s1), s2);
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}
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return name;
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#else /*!HAVE_W32_SYSTEM*/
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return GNUPG_SYSCONFDIR;
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#endif /*!HAVE_W32_SYSTEM*/
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}
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const char *
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gnupg_bindir (void)
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{
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#if defined (HAVE_W32CE_SYSTEM)
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static char *name;
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if (!name)
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name = xstrconcat (w32_rootdir (), DIRSEP_S "bin", NULL);
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return name;
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#elif defined(HAVE_W32_SYSTEM)
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return w32_rootdir ();
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#else /*!HAVE_W32_SYSTEM*/
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return GNUPG_BINDIR;
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#endif /*!HAVE_W32_SYSTEM*/
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}
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/* Return the name of the libexec directory. The name is allocated in
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a static area on the first use. This function won't fail. */
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const char *
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gnupg_libexecdir (void)
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{
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#ifdef HAVE_W32_SYSTEM
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return gnupg_bindir ();
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#else /*!HAVE_W32_SYSTEM*/
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return GNUPG_LIBEXECDIR;
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#endif /*!HAVE_W32_SYSTEM*/
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}
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const char *
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gnupg_libdir (void)
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{
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#ifdef HAVE_W32_SYSTEM
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static char *name;
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if (!name)
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name = xstrconcat (w32_rootdir (), DIRSEP_S "lib" DIRSEP_S "gnupg", NULL);
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return name;
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#else /*!HAVE_W32_SYSTEM*/
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return GNUPG_LIBDIR;
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#endif /*!HAVE_W32_SYSTEM*/
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}
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const char *
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gnupg_datadir (void)
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{
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#ifdef HAVE_W32_SYSTEM
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static char *name;
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if (!name)
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name = xstrconcat (w32_rootdir (), DIRSEP_S "share" DIRSEP_S "gnupg", NULL);
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return name;
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#else /*!HAVE_W32_SYSTEM*/
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return GNUPG_DATADIR;
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#endif /*!HAVE_W32_SYSTEM*/
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}
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const char *
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gnupg_localedir (void)
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{
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#ifdef HAVE_W32_SYSTEM
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static char *name;
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if (!name)
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name = xstrconcat (w32_rootdir (), DIRSEP_S "share" DIRSEP_S "locale",
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NULL);
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return name;
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#else /*!HAVE_W32_SYSTEM*/
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return LOCALEDIR;
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#endif /*!HAVE_W32_SYSTEM*/
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}
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/* Return the name of the cache directory. The name is allocated in a
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static area on the first use. Windows only: If the directory does
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not exist it is created. */
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const char *
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gnupg_cachedir (void)
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{
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#ifdef HAVE_W32_SYSTEM
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static const char *dir;
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if (!dir)
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{
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char path[MAX_PATH];
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const char *s1[] = { "GNU", "cache", "gnupg", NULL };
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int s1_len;
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const char **comp;
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s1_len = 0;
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for (comp = s1; *comp; comp++)
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s1_len += 1 + strlen (*comp);
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if (w32_shgetfolderpath (NULL, CSIDL_LOCAL_APPDATA|CSIDL_FLAG_CREATE,
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NULL, 0, path) >= 0)
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{
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char *tmp = xmalloc (strlen (path) + s1_len + 1);
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char *p;
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p = stpcpy (tmp, path);
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for (comp = s1; *comp; comp++)
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{
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p = stpcpy (p, "\\");
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p = stpcpy (p, *comp);
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if (access (tmp, F_OK))
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w32_try_mkdir (tmp);
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}
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dir = tmp;
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}
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else
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{
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dir = "c:\\temp\\cache\\gnupg";
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#ifdef HAVE_W32CE_SYSTEM
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dir += 2;
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w32_try_mkdir ("\\temp\\cache");
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w32_try_mkdir ("\\temp\\cache\\gnupg");
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#endif
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}
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}
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return dir;
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#else /*!HAVE_W32_SYSTEM*/
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return GNUPG_LOCALSTATEDIR "/cache/" PACKAGE_NAME;
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#endif /*!HAVE_W32_SYSTEM*/
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}
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/* Return the default socket name used by DirMngr. */
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const char *
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dirmngr_socket_name (void)
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{
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#ifdef HAVE_W32_SYSTEM
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static char *name;
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if (!name)
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{
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char *p;
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# ifdef HAVE_W32CE_SYSTEM
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const char *s1, *s2;
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s1 = default_homedir ();
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# else
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char s1[MAX_PATH];
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const char *s2;
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/* We need something akin CSIDL_COMMON_PROGRAMS, but local
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(non-roaming). This is becuase the file needs to be on the
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local machine and makes only sense on that machine.
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CSIDL_WINDOWS seems to be the only location which guarantees
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that. */
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if (w32_shgetfolderpath (NULL, CSIDL_WINDOWS, NULL, 0, s1) < 0)
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strcpy (s1, "C:\\WINDOWS");
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# endif
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s2 = DIRSEP_S "S.dirmngr";
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name = xmalloc (strlen (s1) + strlen (s2) + 1);
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strcpy (stpcpy (name, s1), s2);
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for (p=name; *p; p++)
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if (*p == '/')
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*p = '\\';
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}
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return name;
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#else /*!HAVE_W32_SYSTEM*/
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return GNUPG_LOCALSTATEDIR "/run/" PACKAGE_NAME "/S.dirmngr";
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#endif /*!HAVE_W32_SYSTEM*/
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}
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/* Return the file name of a helper tool. WHICH is one of the
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GNUPG_MODULE_NAME_foo constants. */
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const char *
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gnupg_module_name (int which)
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{
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#define X(a,b) do { \
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static char *name; \
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if (!name) \
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name = xstrconcat (gnupg_ ## a (), DIRSEP_S b EXEEXT_S, NULL); \
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return name; \
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} while (0)
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switch (which)
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{
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case GNUPG_MODULE_NAME_AGENT:
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#ifdef GNUPG_DEFAULT_AGENT
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return GNUPG_DEFAULT_AGENT;
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#else
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X(bindir, "gpg-agent");
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#endif
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case GNUPG_MODULE_NAME_PINENTRY:
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#ifdef GNUPG_DEFAULT_PINENTRY
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return GNUPG_DEFAULT_PINENTRY;
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#else
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X(bindir, "pinentry");
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#endif
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case GNUPG_MODULE_NAME_SCDAEMON:
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#ifdef GNUPG_DEFAULT_SCDAEMON
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return GNUPG_DEFAULT_SCDAEMON;
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#else
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X(bindir, "scdaemon");
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#endif
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case GNUPG_MODULE_NAME_DIRMNGR:
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#ifdef GNUPG_DEFAULT_DIRMNGR
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return GNUPG_DEFAULT_DIRMNGR;
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#else
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X(bindir, "dirmngr");
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#endif
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case GNUPG_MODULE_NAME_PROTECT_TOOL:
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#ifdef GNUPG_DEFAULT_PROTECT_TOOL
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return GNUPG_DEFAULT_PROTECT_TOOL;
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#else
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X(libexecdir, "gpg-protect-tool");
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#endif
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case GNUPG_MODULE_NAME_DIRMNGR_LDAP:
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#ifdef GNUPG_DEFAULT_DIRMNGR_LDAP
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return GNUPG_DEFAULT_DIRMNGR_LDAP;
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#else
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X(libexecdir, "dirmngr_ldap");
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#endif
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case GNUPG_MODULE_NAME_CHECK_PATTERN:
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X(libexecdir, "gpg-check-pattern");
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case GNUPG_MODULE_NAME_GPGSM:
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X(bindir, "gpgsm");
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case GNUPG_MODULE_NAME_GPG:
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X(bindir, NAME_OF_INSTALLED_GPG);
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case GNUPG_MODULE_NAME_CONNECT_AGENT:
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X(bindir, "gpg-connect-agent");
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case GNUPG_MODULE_NAME_GPGCONF:
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X(bindir, "gpgconf");
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default:
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BUG ();
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}
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#undef X
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}
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