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/* homedir.c - Setup the home directory.
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* Copyright (C) 2004, 2006, 2007 Free Software Foundation, Inc.
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* Copyright (C) 2004, 2006, 2007 Free Software Foundation, Inc.
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* Copyright (C) 2013 Werner Koch
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* This file is part of GnuPG.
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#include "sysutils.h"
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#ifdef HAVE_W32_SYSTEM
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/* A flag used to indicate that a control file for gpgconf has been
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detected. Under Windows the presence of this file indicates a
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portable installations and triggers several changes:
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- The GNUGHOME directory is fixed relative to installation
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directory. All other means to set the home directory are
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- All registry variables are ignored.
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This flag is not used on Unix systems.
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static int w32_portable_app;
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/* This flag is true if this process' binary has been installed under
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bin and not in the root directory. */
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static int w32_bin_is_bin;
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/* Just a little prototype. */
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static const char *w32_rootdir (void);
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#endif /*HAVE_W32_SYSTEM*/
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/* This is a helper function to load a Windows function from either of
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#ifdef HAVE_W32_SYSTEM
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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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rdir = w32_rootdir ();
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if (w32_portable_app)
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char *tmp = xmalloc (strlen (path) + 6 +1);
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strcpy (stpcpy (tmp, path), "\\gnupg");
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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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CreateDirectory (dir, NULL);
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dir = xstrconcat (rdir, DIRSEP_S "home", NULL);
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dir = GNUPG_DEFAULT_HOMEDIR;
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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,
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given that many users copy private keys anyway forth and
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back, using a system roaming services might be better
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than to let them do it manually. A security conscious
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user will anyway use the registry entry to have better
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if (w32_shgetfolderpath (NULL, CSIDL_APPDATA|CSIDL_FLAG_CREATE,
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char *tmp = xmalloc (strlen (path) + 6 +1);
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strcpy (stpcpy (tmp, path), "\\gnupg");
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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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CreateDirectory (dir, NULL);
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dir = GNUPG_DEFAULT_HOMEDIR;
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#else/*!HAVE_W32_SYSTEM*/
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#ifdef HAVE_W32_SYSTEM
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/* Check whether gpgconf is installed and if so read the gpgconf.ctl
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check_portable_app (const char *dir)
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fname = xstrconcat (dir, DIRSEP_S "gpgconf.exe", NULL);
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if (access (fname, F_OK))
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log_error ("required binary '%s' is not installed\n", fname);
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strcpy (fname + strlen (fname) - 3, "ctl");
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if (!access (fname, F_OK))
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/* gpgconf.ctl file found. Record this fact. */
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w32_portable_app = 1;
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/* FIXME: We should read the file to detect special flags
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and print a warning if we don't understand them. */
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static const char *
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w32_rootdir (void)
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p = strrchr (dir, DIRSEP_C);
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check_portable_app (dir);
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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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log_debug ("bad filename `%s' returned for this process\n", dir);
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char path[MAX_PATH];
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/* Make sure that w32_rootdir has been called so that we are
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able to check the portable application flag. The common dir
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is identical to the rootdir. In that case there is also no
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need to strdup its value. */
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rdir = w32_rootdir ();
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if (w32_portable_app)
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if (w32_shgetfolderpath (NULL, CSIDL_COMMON_APPDATA,
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NULL, 0, path) >= 0)
added
removed
common/homedir.c
