trunk/Src/wptRegistry.cpp

/* wptRegistry.cpp - W32 Registry access
 *      Copyright (C) 2000-2005 Timo Schulz
 *
 * This file is part of WinPT.
 *
 * WinPT is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License 
 * as published by the Free Software Foundation; either version 2 
 * of the License, or (at your option) any later version.
 *  
 * WinPT is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License 
 * along with WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <stdio.h>

#include "wptErrors.h"
#include "wptW32API.h"
#include "wptGPG.h"
#include "wptRegistry.h"
#include "wptKeyserver.h"
#include "wptTypes.h"
#include "wptNLS.h"
#include "wptVersion.h"

#define rc_ok(rc) ((rc) == ERROR_SUCCESS)

#define WINPT_REG "Software\\WinPT"

/* GPG file association context. */
struct gpg_filetype {    
    const char *descr;
    const char *ext;
    int nicon;
};

struct reg_hotkey_s reg_hotkeys[] = {
    {"ClipEncrypt", "", 0},
    {"ClipDecrypt", "", 0},
    {"ClipSign",    "", 0},
    {"ClipSignEnc", "", 0},
    {"CwsEncrypt",  "", 0},
    {"CwsDecrypt",  "", 0},
    {"CwsSign",     "", 0},
    {"CwsSignEnc",  "", 0},
    {NULL, "", 0}
};

/* Global WinPT registry prefereneces. */
winpt_reg_prefs_s reg_prefs;


/* Return != 0 if GPG4win is installed. */
int
is_gpg4win_installed (void)
{
    char *p;

    p = get_reg_entry_gpg4win (NULL);
    if (!p)
        return 0;
    if (dir_exist_check (p)) {
        free_if_alloc (p);
        return 0;
    }
    free_if_alloc (p);
    return -1;
}


/* Return != 0 if GPGee is installed. */
int
is_gpgee_installed (void)
{
    HKEY hk;
    LONG ec;

    ec = RegOpenKeyEx (HKEY_CURRENT_USER, "Software\\GPGee", 0, KEY_READ, &hk);
    if (ec == ERROR_SUCCESS) {
        RegCloseKey (hk);
        return -1;
    }

    return 0;
}


/* Free all members in the registry preference struct. */
void
free_reg_prefs (void)
{
    free_if_alloc (reg_prefs.backup.path);
    free_if_alloc (reg_prefs.kserv_conf);
    free_if_alloc (reg_prefs.homedir);
    memset (&reg_prefs, 0, sizeof reg_prefs);
}


/* Register the given WinPT filetype. */
static int
regist_single_filetype (gpg_filetype *gfile)
{
    char icon[256];
    char prog[256];
    
    memset (&icon, 0, sizeof (icon));
    GetModuleFileName (glob_hinst, prog, sizeof (prog)-1);
    _snprintf (icon, sizeof (icon) -1, "%s,%d", prog, gfile->nicon);
    return create_file_type (prog, gfile->ext, gfile->descr, icon);
}


/* Install the GPG related into the W32 resgistry, if the entry already
   exists the function returns immediately. */
int
regist_inst_gnupg (int create_mokey)
{
    int rc;
    HKEY reg;

    rc = RegOpenKeyEx( HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", 0, KEY_READ, &reg );  
    if( rc_ok( rc ) ) {
        RegCloseKey( reg );
        return 0;       
    }
    rc = RegCreateKey( HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", &reg );
    if( !rc_ok( rc ) )          
        return WPTERR_REGISTRY; 
    RegCloseKey( reg );
    if( create_mokey ) {
        rc = RegOpenKeyEx( HKEY_CURRENT_USER,  "Control Panel\\MingW32\\NLS", 0, KEY_READ, &reg );
        if( rc_ok( rc ) ) {
            RegCloseKey( reg );
            return 0;   
        }
        rc = RegCreateKey( HKEY_CURRENT_USER, "Control Panel\\MingW32\\NLS", &reg );
        if( !rc_ok( rc ) )
            return WPTERR_REGISTRY;     
        RegCloseKey( reg );
    }

    return 0;
}


/* Install WinPT into the W32 registry, if the entry already 
   exists the function returns immediately. @with_ext can be
   used to register some file types (if 1). @created contains
   1 if the registry key was created.
   Return value: 0 on success. */
int
regist_inst_winpt (int with_ext, int *created)
{    
    HKEY reg;
    char *p = NULL;
    char modpath[MAX_PATH+1];
    int rc, i, id, n;

    gpg_filetype gpg_filetypes[] = {
        {_("GPG Detached Signature"), ".sig", 1},
        {_("GPG Encrypted Data"),     ".gpg", 2},
        {_("GPG Armored Data"),       ".asc", 2},
        {0}
    };

    if (created)
        *created = 0;
    if (is_gpgee_installed ())
        with_ext = 0;

    rc = RegOpenKeyEx (HKEY_CURRENT_USER, WINPT_REG, 0, KEY_READ, &reg);
    if (rc_ok (rc)) {
        RegCloseKey (reg);
        rc = RegOpenKeyEx (HKEY_CURRENT_USER, WINPT_REG"\\Keyserver", 0, KEY_READ, &reg);
        if (!rc_ok (rc)) {
            RegCreateKey (HKEY_CURRENT_USER, WINPT_REG"\\Keyserver", &reg);
            RegCloseKey (reg);
        }
        p = get_reg_entry_keyserver ("Default");
        if (!p) {
            char buf[16];
            sprintf (buf, "%d", HKP_PORT);
            set_reg_entry_keyserver ("Default_Port", buf);
            set_reg_entry_keyserver ("Default", DEF_HKP_KEYSERVER);
        }
        free_if_alloc (p);
        return 0;
    }
    rc = RegCreateKey (HKEY_CURRENT_USER, WINPT_REG, &reg);
    if (!rc_ok (rc))
        return WPTERR_REGISTRY;
    if (created)
        *created = 1;
    RegCloseKey (reg);
    if (with_ext) {
        id = msg_box (NULL, _("WinPT can register some GPG file types for you so they can "
                              "be processed with a double click in the explorer.\n"
                              "Do you want to continue?"), _("WinPT"), MB_YESNO|MB_INFO);
        if (id == IDYES) {
            for (i = 0; gpg_filetypes[i].ext; i++) {
                rc = RegOpenKeyEx (HKEY_CLASSES_ROOT, gpg_filetypes[i].ext, 0, KEY_READ, &reg);
                if (rc_ok (rc)) {
                RegCloseKey (reg);
                    id = log_box (_("WinPT WARNING"), MB_YESNO|MB_INFO, 
                                  _("It seems there was already a '%s' file type registered by another application.\n"
                                    "Do you want to overwrite it?"), gpg_filetypes[i].ext);
                    if (id == IDNO)
                        continue;
                }
                regist_single_filetype (&gpg_filetypes[i]);
            }
        }
    }
    if ((n=GetModuleFileName (NULL, modpath, MAX_PATH-1)) > 0) {
        while (n-- > 0) {
            if (modpath[n] == '\\') {
                modpath[n] = 0;
                break;
            }
        }
        set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, "Install Directory", modpath);
    }
    return 0;
}


/* Create a new filetype in the W32 registry.
   We should really care of errors! Otherwise we can damage the registry! */
int
create_file_type (const char *exefile, const char *ext, 
                  const char *extname, char *iconfile)
{
    int rc;
    HKEY reg = NULL;
    char deficon[256], defexec[256], p_exefile[256];
    
    
    rc = RegCreateKey( HKEY_CLASSES_ROOT, ext, &reg );
    if( rc_ok( rc ) ) 
        rc = RegSetValueEx( reg, NULL, 0, REG_SZ, (byte *)extname, strlen( extname ) );
    if( rc_ok( rc ) )
        rc = RegCloseKey( reg );
    if( rc_ok( rc ) )    
        rc = RegCreateKey( HKEY_CLASSES_ROOT, extname, &reg );
    if( rc_ok( rc ) )
        rc = RegSetValueEx( reg, NULL, 0, REG_SZ, (byte *) extname, strlen( extname ) );
    if( rc_ok( rc ) )
        rc = RegCloseKey( reg );
    if( !rc_ok( rc ) ) {
        rc = WPTERR_REGISTRY;
        goto leave;
    }
    
    memset( &deficon, 0, sizeof deficon );
    _snprintf( deficon, sizeof deficon - 1, "%s\\DefaultIcon", extname );
    memset( &defexec, 0, sizeof defexec );
    _snprintf( defexec, sizeof defexec - 1, "%s\\shell\\open\\command", extname );      
    memset( &p_exefile, 0, sizeof p_exefile );
    _snprintf( p_exefile, sizeof p_exefile - 1, "%s %%1", exefile );
    
    rc = RegCreateKey( HKEY_CLASSES_ROOT, deficon, &reg );
    if( rc_ok( rc ) )
        rc = RegSetValueEx(reg, NULL, 0, REG_SZ, (byte *)iconfile, strlen( iconfile ) );
    if( rc_ok( rc ) )
        rc = RegCloseKey( reg );
    if( rc_ok( rc ) )
        rc = RegCreateKey( HKEY_CLASSES_ROOT, defexec, &reg );
    if( rc_ok( rc ) )
        rc = RegSetValueEx( reg, NULL, 0, REG_SZ, (byte *)p_exefile, strlen( exefile ) );
    if( rc_ok( rc ) )
        rc = RegCloseKey( reg );
    if( !rc_ok( rc ) ) {
        rc = WPTERR_REGISTRY;
        goto leave;     
    }
    
leave:
    if( reg )
        RegCloseKey( reg );
    return rc;
} /* create_file_type */


/* Expand a string with %foo% entries so that %foo% will
   be replaced with its actual value. */
static char *
expand_path (const char *path)
{
    DWORD len;
    char *p;

    len = ExpandEnvironmentStrings (path, NULL, 0);
    if (!len)
        return NULL;
    len += 1;
    p = new char[len+1];
    if (!p)
        return NULL;
    len = ExpandEnvironmentStrings (path, p, len);
    if (!len) {
        free_if_alloc (p);
        return NULL;
    }
    return p; 
}


/* Retrieve a registry entry with the directory given in @dir
   and the key given in @key.
   Return value is the value or NULL otherwise. */
char*
get_reg_entry (HKEY root_key, const char * dir, const char * key)
{
    int rc;
    char text[384] = {0};
    DWORD nbytes, type;
    HKEY reg_key = NULL;
    char * p = NULL;
    
    rc = RegOpenKeyEx (root_key, dir, 0, KEY_QUERY_VALUE, &reg_key);
    if( !rc_ok( rc ) )
        goto leave;
    nbytes = sizeof (text) - 1;
    type = REG_SZ;
    
    rc = RegQueryValueEx (reg_key, key, 0, &type, (BYTE *)&text, &nbytes);
    if (!rc_ok (rc) || !nbytes)
        goto leave;
    
    if (type == REG_EXPAND_SZ && strchr (text, '%'))
        p = expand_path (text);
    else {
        p = new char[nbytes + 1];
        if (!p)
            BUG (0);
        memcpy (p, text, nbytes);
        p[nbytes] = '\0';
    }
    
leave:
    if (reg_key)
        RegCloseKey (reg_key);
    return p;
}


/* XXX: use REG_EXPAND_SZ to support multi user environments.
        keep this type and do not overwrite it with REG_SZ. */ 

/* Set a registry entry. */
int
set_reg_entry (HKEY root_key, const char *dir, const char *key,
               const char *value)
{
    int rc = 0;
    HKEY reg_key;

    rc = RegOpenKeyEx( root_key, dir, 0, KEY_WRITE, &reg_key );
    if( !rc_ok( rc ) )
        return WPTERR_REGISTRY;
    rc = RegSetValueEx( reg_key, key, 0, REG_SZ, (BYTE *)value, strlen( value ) );
    if( !rc_ok( rc ) )
        rc = WPTERR_REGISTRY;   
    RegCloseKey( reg_key );
    return rc;
} /* set_reg_entry */


int
set_reg_key( HKEY root_key, const char * dir, const char * key,
             const char * value )
{
    int rc = 0;
    HKEY reg_key;
    
    rc = RegOpenKeyEx( root_key, dir, 0, KEY_WRITE, &reg_key );
    if( !rc_ok( rc ) )
        return WPTERR_REGISTRY;
    
    rc = RegSetValueEx( reg_key, key, 0, REG_SZ, (BYTE *)value, strlen( value ) );      
    if( !rc_ok( rc ) ) {        
        if ( RegCreateKey( root_key, key, &reg_key ) != ERROR_SUCCESS ) {
            rc = WPTERR_REGISTRY; 
            goto leave;
        }
        rc = RegSetValueEx( reg_key, key, 0, REG_SZ, (BYTE *)value, strlen( value ) );          
        if ( !rc_ok( rc ) )
            rc = WPTERR_REGISTRY;
    }
    
leave:
    RegCloseKey( reg_key );
    return rc;
} /* set_reg_key */


int
set_reg_entry_gpg (const char * key, const char * value)
{       
    return set_reg_entry (HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", key, value);
}


int
set_reg_entry_mo (const char * value)
{       
    return set_reg_entry (HKEY_CURRENT_USER, "Control Panel\\Mingw32\\NLS", 
                          "MODir", value);
}


char*
get_reg_entry_gpg (const char *key)
{
    char *p;
    p = get_reg_entry (HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", key);
    if (!p || strlen (p) == 0) {
        free_if_alloc (p);
        return NULL;
    }
    return p;
}


/* Return if possible the GPG4Win installation directory concatenated
   with the string in @path if given. */
char*
get_reg_entry_gpg4win (const char *path)
{
    char *p, *pp;
    p = get_reg_entry (HKEY_LOCAL_MACHINE,
                       "Software\\GNU\\GnuPG", "Install Directory");
    if (!p)
        return NULL;
    if (!path)
        return p;
    pp = new char[strlen (p) + strlen (path) + 4];
    if (!pp)
        BUG (NULL);
    sprintf (pp, "%s\\%s", p, path);
    free_if_alloc (p);
    return pp;
}

    
char*
get_reg_entry_mo (void)
{       
    char *p, *pp;
    const char *lang;

    p = get_reg_entry (HKEY_CURRENT_USER, 
                       "Control Panel\\Mingw32\\NLS", "MODir");
    if (p)
        return p;

    lang = get_gettext_langid ();
    if (!lang)    
        return NULL;    
    pp = new char[strlen ("share\\xxxxx\\locale\\LC_MESSAGES")+8];
    if (!pp)    
        BUG (NULL);
    sprintf (pp, "share\\locale\\%s\\LC_MESSAGES", lang);
    p = get_reg_entry_gpg4win (pp);
    free_if_alloc (pp);
    return p;
}


/* All valid configuration commands. */
static const char *cfg [] = {
    NULL,       
    "CacheTime",
    "WordWrap",
    "FastMode",
    "Viewer",
    "WipeMode",
    "AlwaysTrust",
    "AutoBackup",
    "BackupMode",
    "DisableHotkeys",   
    "NoCompressMultiMedia",     
    "Expert",
    "FMProgressBar",
};


int
set_reg_winpt_single (int id, int val)
{
    char buf[64];
    int rc;

    sprintf (buf, "%d", val);
    rc = set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, cfg[id], buf);
    return rc;
}


int
get_reg_winpt_single (int id)
{
    char * buf = NULL;
    int val = 0;

    buf = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, cfg[id]);
    if (buf && *buf != ' ')
        val = 1;
    else if (!buf)
        val = -1;
    free_if_alloc (buf);
    return val;
}


/* Saves the winpt preferences in the registry. */
int
set_reg_winpt_prefs (winpt_reg_prefs_s * opt)
{
    char buf[128];
    size_t i;
    int rc = 0;

    for (i=1; i < DIM (cfg); i++) {
        switch (i) {
        case CFG_CACHETIME:
            sprintf (buf, "%d", opt->cache_time);
            break;
        case CFG_WORDWRAP:
            sprintf (buf, "%d", opt->word_wrap);
            break;
        case CFG_WIPEMODE:
            sprintf (buf, "%d", opt->wipe_mode);
            break;
        case CFG_FASTMODE:
            sprintf (buf, "%d", opt->use_tmpfiles);
            break;
        case CFG_NOZIP_MMEDIA:
            sprintf (buf, "%d", opt->no_zip_mmedia);
            break;
        case CFG_VIEWER:
            sprintf (buf, "%d", opt->use_viewer);
            break;
        case CFG_ALWAYSTRUST:
            sprintf (buf, "%d", opt->always_trust);
            break;
        case CFG_AUTOBACKUP:
            sprintf (buf, "%d", opt->auto_backup);
            break;
        case CFG_AUTOBAKMODE:
            sprintf (buf, "%d", opt->backup.mode);
            break;
        case CFG_DISHOTKEYS:
            sprintf (buf, "%d", opt->no_hotkeys);
            break;
        case CFG_EXPERT:
            sprintf (buf, "%d", opt->expert);
            break;

        case CFG_FM_PROGRESS:
            sprintf (buf, "%d", opt->fm.progress);
            break;
        }
        rc = set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, cfg[i], buf);
        if (rc)
            goto leave;
    }

    if (opt->backup.path) {
        rc = set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, "BackupPath",
                            opt->backup.path);
        if (rc)
            goto leave;
    }

    for (i=0; reg_hotkeys[i].reg_entry; i++) {
        strcpy (buf, " ");
        if (reg_hotkeys[i].enabled)
            strcpy (buf, reg_hotkeys[i].key);
        rc = set_reg_key (HKEY_CURRENT_USER, WINPT_REG, 
                          reg_hotkeys[i].reg_entry, buf);
        if (rc)
            break;
    }
    
leave:
    if (rc) {
        msg_box (NULL, _("Could not write to Registry."), _("Preferences"), MB_ERR);
        return rc;
    }
    return 0;
}


int
set_reg_winpt_flag (const char * name, int val)
{
    return set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, name, val? "1" : "0");
} /* set_reg_winpt_flag */


int
get_reg_winpt_flag (const char * name)
{
    char * buf;
    int flag = 0;

    buf = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, name);
    if (buf && buf[0] == '1')
        flag = 1;
    else if (!buf || buf && buf[0] != '0')
        flag = -1;
    free_if_alloc (buf);
    return flag;
} /* get_reg_winpt_flag */


/* Retrieve the winpt preferences from the registry. */
int
get_reg_winpt_prefs (winpt_reg_prefs_s * opt)
{
    char *val = NULL;
    size_t i;

    for (i=1; i < DIM (cfg); i++) {
        val = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, cfg[i]);
        if (!val || *val == ' ') {
            free_if_alloc (val);
            continue;
        }
        switch (i) {
        case CFG_CACHETIME:
            opt->cache_time = atol (val);
            /* We do NOT support passphrase caching for more than an hour.
             * Perhaps we should allow it, but for now we silently drop this.
             */
            if (opt->cache_time > 3600)
                opt->cache_time = 3600;
            break;
        case CFG_WORDWRAP:
            opt->word_wrap = atol (val);
            break;
        case CFG_FASTMODE:
            opt->use_tmpfiles = atol (val);
            break;
        case CFG_NOZIP_MMEDIA:
            opt->no_zip_mmedia = atol (val);
            break;
        case CFG_VIEWER:
            opt->use_viewer = atol (val);
            break;
        case CFG_WIPEMODE:
            opt->wipe_mode = atol (val);
            break;
        case CFG_DISHOTKEYS:
            opt->no_hotkeys = atol (val);
            break;
        case CFG_ALWAYSTRUST:
            opt->always_trust = atol (val);
            break;
        case CFG_AUTOBACKUP:
            opt->auto_backup = atol (val);
            break;
        case CFG_AUTOBAKMODE:
            opt->backup.mode = atol (val);
            break;
        case CFG_EXPERT:
            opt->expert = atol (val);
            break;

        case CFG_FM_PROGRESS:
            opt->fm.progress = atol (val);
            break;
        }
        free_if_alloc (val);
    }    

    val = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, "BackupPath");
    if (val && val[0] != ' ')
        opt->backup.path = m_strdup (val);
    free_if_alloc (val);
    
    for (i=0; reg_hotkeys[i].reg_entry; i++) {
        val = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, reg_hotkeys[i].reg_entry);
        if (val && val[0] != ' ') {
            reg_hotkeys[i].key[0] = *val;
            reg_hotkeys[i].enabled = 1;
        }
        else
            reg_hotkeys[i].enabled = 0;
        free_if_alloc (val);
    }
    return 0;
} /* get_reg_winpt_prefs */


char*
get_reg_entry_keyserver (const char *name)
{
    char * p = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG"\\Keyserver", name);
    if (p && !strcmp (p, "")) {
        free_if_alloc (p);
        return NULL;
    }
    return p;
}


void
get_reg_proxy_prefs (char ** host, int * port, char ** user, char ** pass)
{
    if (host)
        *host = get_reg_entry_keyserver ("Host");
    if (user)
        *user = get_reg_entry_keyserver ("User");
    if (pass)
        *pass = get_reg_entry_keyserver ("Pass");
    if (port) {
        char * p = get_reg_entry_keyserver ("Port");
        if (p) {
            *port = atol (p);
            free_if_alloc (p);
        }
    }
} /* get_reg_proxy_prefs */


int
set_reg_entry_keyserver( const char * name, const char * val )
{
    return set_reg_entry( HKEY_CURRENT_USER, WINPT_REG"\\Keyserver", name, val );
} /* set_reg_entry_keyserver */


int
set_reg_proxy_prefs( const char * host, int port, const char * user, const char * pass )
{
    int rc;
    
    rc = set_reg_entry_keyserver( "Host", host? host : "" );
    if( !rc ) {
        char buf[32];
        sprintf( buf, "%d", port );
        rc = set_reg_entry_keyserver( "Port", buf );
    }
    if( !rc )
        rc = set_reg_entry_keyserver( "User", user? user : "" );
    if( !rc )
        rc = set_reg_entry_keyserver( "Pass", pass? pass : "" );
    return rc;
} /* set_reg_proxy_prefs */
1	werner	36	/* wptRegistry.cpp - W32 Registry access
2			* Copyright (C) 2000-2005 Timo Schulz
3			*
4			* This file is part of WinPT.
5			*
6			* WinPT is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU General Public License
8			* as published by the Free Software Foundation; either version 2
9			* of the License, or (at your option) any later version.
10			*
11			* WinPT 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 GNU
14			* General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with WinPT; if not, write to the Free Software Foundation,
18			* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#ifdef HAVE_CONFIG_H
22			#include <config.h>
23			#endif
24
25			#include <windows.h>
26			#include <stdio.h>
27
28			#include "wptErrors.h"
29			#include "wptW32API.h"
30			#include "wptGPG.h"
31			#include "wptRegistry.h"
32			#include "wptKeyserver.h"
33			#include "wptTypes.h"
34			#include "wptNLS.h"
35			#include "wptVersion.h"
36
37			#define rc_ok(rc) ((rc) == ERROR_SUCCESS)
38
39	twoaday	172	#define WINPT_REG "Software\\WinPT"
40	werner	48
41	twoaday	179	/* GPG file association context. */
42			struct gpg_filetype {
43			const char *descr;
44			const char *ext;
45			int nicon;
46			};
47
48	werner	36	struct reg_hotkey_s reg_hotkeys[] = {
49	twoaday	69	{"ClipEncrypt", "", 0},
50			{"ClipDecrypt", "", 0},
51			{"ClipSign", "", 0},
52			{"ClipSignEnc", "", 0},
53			{"CwsEncrypt", "", 0},
54			{"CwsDecrypt", "", 0},
55			{"CwsSign", "", 0},
56			{"CwsSignEnc", "", 0},
57			{NULL, "", 0}
58	werner	36	};
59
60	twoaday	172	/* Global WinPT registry prefereneces. */
61	werner	36	winpt_reg_prefs_s reg_prefs;
62
63
64	twoaday	128	/* Return != 0 if GPG4win is installed. */
65			int
66			is_gpg4win_installed (void)
67			{
68			char *p;
69
70			p = get_reg_entry_gpg4win (NULL);
71			if (!p)
72			return 0;
73			if (dir_exist_check (p)) {
74			free_if_alloc (p);
75			return 0;
76			}
77			free_if_alloc (p);
78			return -1;
79			}
80
81
82	twoaday	117	/* Return != 0 if GPGee is installed. */
83			int
84			is_gpgee_installed (void)
85			{
86			HKEY hk;
87			LONG ec;
88
89			ec = RegOpenKeyEx (HKEY_CURRENT_USER, "Software\\GPGee", 0, KEY_READ, &hk);
90			if (ec == ERROR_SUCCESS) {
91			RegCloseKey (hk);
92			return -1;
93			}
94
95			return 0;
96			}
97
98
99			/* Free all members in the registry preference struct. */
100	werner	36	void
101			free_reg_prefs (void)
102			{
103			free_if_alloc (reg_prefs.backup.path);
104			free_if_alloc (reg_prefs.kserv_conf);
105			free_if_alloc (reg_prefs.homedir);
106			memset (&reg_prefs, 0, sizeof reg_prefs);
107	twoaday	117	}
108	werner	36
109
110			/* Register the given WinPT filetype. */
111			static int
112			regist_single_filetype (gpg_filetype *gfile)
113			{
114	twoaday	128	char icon[256];
115			char prog[256];
116	werner	36
117			memset (&icon, 0, sizeof (icon));
118			GetModuleFileName (glob_hinst, prog, sizeof (prog)-1);
119			_snprintf (icon, sizeof (icon) -1, "%s,%d", prog, gfile->nicon);
120			return create_file_type (prog, gfile->ext, gfile->descr, icon);
121	twoaday	117	}
122	werner	36
123
124			/* Install the GPG related into the W32 resgistry, if the entry already
125			exists the function returns immediately. */
126			int
127			regist_inst_gnupg (int create_mokey)
128			{
129			int rc;
130			HKEY reg;
131
132			rc = RegOpenKeyEx( HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", 0, KEY_READ, &reg );
133			if( rc_ok( rc ) ) {
134			RegCloseKey( reg );
135			return 0;
136			}
137			rc = RegCreateKey( HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", &reg );
138			if( !rc_ok( rc ) )
139			return WPTERR_REGISTRY;
140			RegCloseKey( reg );
141			if( create_mokey ) {
142			rc = RegOpenKeyEx( HKEY_CURRENT_USER, "Control Panel\\MingW32\\NLS", 0, KEY_READ, &reg );
143			if( rc_ok( rc ) ) {
144			RegCloseKey( reg );
145			return 0;
146			}
147			rc = RegCreateKey( HKEY_CURRENT_USER, "Control Panel\\MingW32\\NLS", &reg );
148			if( !rc_ok( rc ) )
149			return WPTERR_REGISTRY;
150			RegCloseKey( reg );
151			}
152
153			return 0;
154	twoaday	128	}
155	werner	36
156
157	twoaday	117	/* Install WinPT into the W32 registry, if the entry already
158	twoaday	85	exists the function returns immediately. @with_ext can be
159			used to register some file types (if 1). @created contains
160			1 if the registry key was created.
161			Return value: 0 on success. */
162	werner	36	int
163	twoaday	117	regist_inst_winpt (int with_ext, int *created)
164	twoaday	129	{
165	werner	36	HKEY reg;
166	twoaday	80	char *p = NULL;
167			char modpath[MAX_PATH+1];
168	twoaday	172	int rc, i, id, n;
169	werner	36
170	twoaday	129	gpg_filetype gpg_filetypes[] = {
171			{_("GPG Detached Signature"), ".sig", 1},
172			{_("GPG Encrypted Data"), ".gpg", 2},
173			{_("GPG Armored Data"), ".asc", 2},
174			{0}
175			};
176
177	twoaday	85	if (created)
178	werner	36	*created = 0;
179	twoaday	172	if (is_gpgee_installed ())
180	werner	36	with_ext = 0;
181
182	twoaday	85	rc = RegOpenKeyEx (HKEY_CURRENT_USER, WINPT_REG, 0, KEY_READ, &reg);
183	twoaday	117	if (rc_ok (rc)) {
184	twoaday	85	RegCloseKey (reg);
185			rc = RegOpenKeyEx (HKEY_CURRENT_USER, WINPT_REG"\\Keyserver", 0, KEY_READ, &reg);
186	twoaday	167	if (!rc_ok (rc)) {
187	twoaday	85	RegCreateKey (HKEY_CURRENT_USER, WINPT_REG"\\Keyserver", &reg);
188			RegCloseKey (reg);
189	werner	36	}
190			p = get_reg_entry_keyserver ("Default");
191			if (!p) {
192			char buf[16];
193			sprintf (buf, "%d", HKP_PORT);
194			set_reg_entry_keyserver ("Default_Port", buf);
195			set_reg_entry_keyserver ("Default", DEF_HKP_KEYSERVER);
196			}
197	twoaday	85	free_if_alloc (p);
198	werner	36	return 0;
199			}
200	twoaday	117	rc = RegCreateKey (HKEY_CURRENT_USER, WINPT_REG, &reg);
201	twoaday	85	if (!rc_ok (rc))
202	werner	36	return WPTERR_REGISTRY;
203	twoaday	85	if (created)
204	werner	36	*created = 1;
205	twoaday	85	RegCloseKey (reg);
206	twoaday	172	if (with_ext) {
207			id = msg_box (NULL, _("WinPT can register some GPG file types for you so they can "
208			"be processed with a double click in the explorer.\n"
209			"Do you want to continue?"), _("WinPT"), MB_YESNO\|MB_INFO);
210			if (id == IDYES) {
211			for (i = 0; gpg_filetypes[i].ext; i++) {
212			rc = RegOpenKeyEx (HKEY_CLASSES_ROOT, gpg_filetypes[i].ext, 0, KEY_READ, &reg);
213			if (rc_ok (rc)) {
214			RegCloseKey (reg);
215			id = log_box (_("WinPT WARNING"), MB_YESNO\|MB_INFO,
216			_("It seems there was already a '%s' file type registered by another application.\n"
217			"Do you want to overwrite it?"), gpg_filetypes[i].ext);
218			if (id == IDNO)
219			continue;
220			}
221			regist_single_filetype (&gpg_filetypes[i]);
222			}
223			}
224			}
225	twoaday	80	if ((n=GetModuleFileName (NULL, modpath, MAX_PATH-1)) > 0) {
226			while (n-- > 0) {
227			if (modpath[n] == '\\') {
228			modpath[n] = 0;
229			break;
230			}
231			}
232	twoaday	117	set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, "Install Directory", modpath);
233	twoaday	80	}
234	werner	36	return 0;
235	twoaday	80	}
236	werner	36
237
238			/* Create a new filetype in the W32 registry.
239			We should really care of errors! Otherwise we can damage the registry! */
240			int
241	twoaday	128	create_file_type (const char exefile, const char ext,
242			const char extname, char iconfile)
243	werner	36	{
244			int rc;
245			HKEY reg = NULL;
246			char deficon[256], defexec[256], p_exefile[256];
247
248
249			rc = RegCreateKey( HKEY_CLASSES_ROOT, ext, &reg );
250			if( rc_ok( rc ) )
251			rc = RegSetValueEx( reg, NULL, 0, REG_SZ, (byte *)extname, strlen( extname ) );
252			if( rc_ok( rc ) )
253			rc = RegCloseKey( reg );
254			if( rc_ok( rc ) )
255			rc = RegCreateKey( HKEY_CLASSES_ROOT, extname, &reg );
256			if( rc_ok( rc ) )
257			rc = RegSetValueEx( reg, NULL, 0, REG_SZ, (byte *) extname, strlen( extname ) );
258			if( rc_ok( rc ) )
259			rc = RegCloseKey( reg );
260			if( !rc_ok( rc ) ) {
261			rc = WPTERR_REGISTRY;
262			goto leave;
263			}
264
265			memset( &deficon, 0, sizeof deficon );
266			_snprintf( deficon, sizeof deficon - 1, "%s\\DefaultIcon", extname );
267			memset( &defexec, 0, sizeof defexec );
268			_snprintf( defexec, sizeof defexec - 1, "%s\\shell\\open\\command", extname );
269			memset( &p_exefile, 0, sizeof p_exefile );
270			_snprintf( p_exefile, sizeof p_exefile - 1, "%s %%1", exefile );
271
272			rc = RegCreateKey( HKEY_CLASSES_ROOT, deficon, &reg );
273			if( rc_ok( rc ) )
274			rc = RegSetValueEx(reg, NULL, 0, REG_SZ, (byte *)iconfile, strlen( iconfile ) );
275			if( rc_ok( rc ) )
276			rc = RegCloseKey( reg );
277			if( rc_ok( rc ) )
278			rc = RegCreateKey( HKEY_CLASSES_ROOT, defexec, &reg );
279			if( rc_ok( rc ) )
280			rc = RegSetValueEx( reg, NULL, 0, REG_SZ, (byte *)p_exefile, strlen( exefile ) );
281			if( rc_ok( rc ) )
282			rc = RegCloseKey( reg );
283			if( !rc_ok( rc ) ) {
284			rc = WPTERR_REGISTRY;
285			goto leave;
286			}
287
288			leave:
289			if( reg )
290			RegCloseKey( reg );
291			return rc;
292			} /* create_file_type */
293
294
295			/* Expand a string with %foo% entries so that %foo% will
296			be replaced with its actual value. */
297			static char *
298			expand_path (const char *path)
299			{
300			DWORD len;
301			char *p;
302
303			len = ExpandEnvironmentStrings (path, NULL, 0);
304			if (!len)
305			return NULL;
306			len += 1;
307			p = new char[len+1];
308	twoaday	128	if (!p)
309	werner	36	return NULL;
310			len = ExpandEnvironmentStrings (path, p, len);
311			if (!len) {
312			free_if_alloc (p);
313			return NULL;
314			}
315			return p;
316	twoaday	128	}
317	werner	36
318
319			/* Retrieve a registry entry with the directory given in @dir
320			and the key given in @key.
321			Return value is the value or NULL otherwise. */
322			char*
323			get_reg_entry (HKEY root_key, const char * dir, const char * key)
324			{
325			int rc;
326			char text[384] = {0};
327	twoaday	69	DWORD nbytes, type;
328	werner	36	HKEY reg_key = NULL;
329	twoaday	128	char * p = NULL;
330	werner	36
331			rc = RegOpenKeyEx (root_key, dir, 0, KEY_QUERY_VALUE, &reg_key);
332			if( !rc_ok( rc ) )
333			goto leave;
334			nbytes = sizeof (text) - 1;
335			type = REG_SZ;
336
337			rc = RegQueryValueEx (reg_key, key, 0, &type, (BYTE *)&text, &nbytes);
338			if (!rc_ok (rc) \|\| !nbytes)
339			goto leave;
340
341			if (type == REG_EXPAND_SZ && strchr (text, '%'))
342			p = expand_path (text);
343			else {
344			p = new char[nbytes + 1];
345			if (!p)
346			BUG (0);
347			memcpy (p, text, nbytes);
348			p[nbytes] = '\0';
349			}
350
351			leave:
352			if (reg_key)
353			RegCloseKey (reg_key);
354			return p;
355			}
356
357
358			/* XXX: use REG_EXPAND_SZ to support multi user environments.
359			keep this type and do not overwrite it with REG_SZ. */
360
361			/* Set a registry entry. */
362			int
363			set_reg_entry (HKEY root_key, const char dir, const char key,
364			const char *value)
365			{
366			int rc = 0;
367			HKEY reg_key;
368
369			rc = RegOpenKeyEx( root_key, dir, 0, KEY_WRITE, &reg_key );
370			if( !rc_ok( rc ) )
371			return WPTERR_REGISTRY;
372			rc = RegSetValueEx( reg_key, key, 0, REG_SZ, (BYTE *)value, strlen( value ) );
373			if( !rc_ok( rc ) )
374			rc = WPTERR_REGISTRY;
375			RegCloseKey( reg_key );
376			return rc;
377			} /* set_reg_entry */
378
379
380			int
381			set_reg_key( HKEY root_key, const char * dir, const char * key,
382			const char * value )
383			{
384			int rc = 0;
385			HKEY reg_key;
386
387			rc = RegOpenKeyEx( root_key, dir, 0, KEY_WRITE, &reg_key );
388			if( !rc_ok( rc ) )
389			return WPTERR_REGISTRY;
390
391			rc = RegSetValueEx( reg_key, key, 0, REG_SZ, (BYTE *)value, strlen( value ) );
392			if( !rc_ok( rc ) ) {
393			if ( RegCreateKey( root_key, key, &reg_key ) != ERROR_SUCCESS ) {
394			rc = WPTERR_REGISTRY;
395			goto leave;
396			}
397			rc = RegSetValueEx( reg_key, key, 0, REG_SZ, (BYTE *)value, strlen( value ) );
398			if ( !rc_ok( rc ) )
399			rc = WPTERR_REGISTRY;
400			}
401
402			leave:
403			RegCloseKey( reg_key );
404			return rc;
405			} /* set_reg_key */
406
407
408			int
409			set_reg_entry_gpg (const char * key, const char * value)
410			{
411			return set_reg_entry (HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", key, value);
412			}
413
414
415			int
416			set_reg_entry_mo (const char * value)
417			{
418			return set_reg_entry (HKEY_CURRENT_USER, "Control Panel\\Mingw32\\NLS",
419			"MODir", value);
420			}
421
422
423	twoaday	167	char*
424	werner	36	get_reg_entry_gpg (const char *key)
425			{
426	twoaday	167	char *p;
427			p = get_reg_entry (HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", key);
428			if (!p \|\| strlen (p) == 0) {
429			free_if_alloc (p);
430			return NULL;
431			}
432			return p;
433	werner	36	}
434
435
436	twoaday	73	/* Return if possible the GPG4Win installation directory concatenated
437			with the string in @path if given. */
438			char*
439			get_reg_entry_gpg4win (const char *path)
440			{
441			char p, pp;
442			p = get_reg_entry (HKEY_LOCAL_MACHINE,
443			"Software\\GNU\\GnuPG", "Install Directory");
444			if (!p)
445			return NULL;
446			if (!path)
447			return p;
448			pp = new char[strlen (p) + strlen (path) + 4];
449			if (!pp)
450			BUG (NULL);
451			sprintf (pp, "%s\\%s", p, path);
452			free_if_alloc (p);
453			return pp;
454			}
455
456
457			char*
458			get_reg_entry_mo (void)
459	werner	36	{
460	twoaday	76	char p, pp;
461			const char *lang;
462	twoaday	117
463	twoaday	73	p = get_reg_entry (HKEY_CURRENT_USER,
464			"Control Panel\\Mingw32\\NLS", "MODir");
465	twoaday	76	if (p)
466			return p;
467	twoaday	117
468	twoaday	76	lang = get_gettext_langid ();
469	twoaday	117	if (!lang)
470			return NULL;
471	twoaday	76	pp = new char[strlen ("share\\xxxxx\\locale\\LC_MESSAGES")+8];
472	twoaday	117	if (!pp)
473	twoaday	76	BUG (NULL);
474			sprintf (pp, "share\\locale\\%s\\LC_MESSAGES", lang);
475			p = get_reg_entry_gpg4win (pp);
476			free_if_alloc (pp);
477	twoaday	73	return p;
478	werner	36	}
479
480
481			/* All valid configuration commands. */
482	twoaday	176	static const char *cfg [] = {
483			NULL,
484			"CacheTime",
485			"WordWrap",
486			"FastMode",
487			"Viewer",
488			"WipeMode",
489			"AlwaysTrust",
490			"AutoBackup",
491			"BackupMode",
492			"DisableHotkeys",
493			"NoCompressMultiMedia",
494			"Expert",
495			"FMProgressBar",
496			};
497	werner	36
498
499			int
500			set_reg_winpt_single (int id, int val)
501			{
502			char buf[64];
503			int rc;
504
505			sprintf (buf, "%d", val);
506			rc = set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, cfg[id], buf);
507			return rc;
508			}
509
510
511			int
512			get_reg_winpt_single (int id)
513			{
514	twoaday	128	char * buf = NULL;
515	werner	36	int val = 0;
516
517			buf = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, cfg[id]);
518			if (buf && *buf != ' ')
519			val = 1;
520			else if (!buf)
521			val = -1;
522			free_if_alloc (buf);
523			return val;
524			}
525
526
527			/* Saves the winpt preferences in the registry. */
528			int
529			set_reg_winpt_prefs (winpt_reg_prefs_s * opt)
530			{
531			char buf[128];
532	twoaday	73	size_t i;
533			int rc = 0;
534	werner	36
535			for (i=1; i < DIM (cfg); i++) {
536			switch (i) {
537			case CFG_CACHETIME:
538			sprintf (buf, "%d", opt->cache_time);
539			break;
540			case CFG_WORDWRAP:
541			sprintf (buf, "%d", opt->word_wrap);
542			break;
543			case CFG_WIPEMODE:
544			sprintf (buf, "%d", opt->wipe_mode);
545			break;
546			case CFG_FASTMODE:
547			sprintf (buf, "%d", opt->use_tmpfiles);
548			break;
549			case CFG_NOZIP_MMEDIA:
550			sprintf (buf, "%d", opt->no_zip_mmedia);
551			break;
552			case CFG_VIEWER:
553			sprintf (buf, "%d", opt->use_viewer);
554			break;
555			case CFG_ALWAYSTRUST:
556			sprintf (buf, "%d", opt->always_trust);
557			break;
558			case CFG_AUTOBACKUP:
559			sprintf (buf, "%d", opt->auto_backup);
560			break;
561			case CFG_AUTOBAKMODE:
562			sprintf (buf, "%d", opt->backup.mode);
563			break;
564			case CFG_DISHOTKEYS:
565			sprintf (buf, "%d", opt->no_hotkeys);
566			break;
567			case CFG_EXPERT:
568			sprintf (buf, "%d", opt->expert);
569			break;
570
571			case CFG_FM_PROGRESS:
572			sprintf (buf, "%d", opt->fm.progress);
573			break;
574			}
575			rc = set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, cfg[i], buf);
576			if (rc)
577			goto leave;
578			}
579
580			if (opt->backup.path) {
581			rc = set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, "BackupPath",
582			opt->backup.path);
583			if (rc)
584			goto leave;
585			}
586
587			for (i=0; reg_hotkeys[i].reg_entry; i++) {
588			strcpy (buf, " ");
589			if (reg_hotkeys[i].enabled)
590			strcpy (buf, reg_hotkeys[i].key);
591			rc = set_reg_key (HKEY_CURRENT_USER, WINPT_REG,
592			reg_hotkeys[i].reg_entry, buf);
593			if (rc)
594			break;
595			}
596
597			leave:
598			if (rc) {
599			msg_box (NULL, _("Could not write to Registry."), _("Preferences"), MB_ERR);
600			return rc;
601			}
602			return 0;
603			}
604
605
606			int
607			set_reg_winpt_flag (const char * name, int val)
608			{
609			return set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, name, val? "1" : "0");
610			} /* set_reg_winpt_flag */
611
612
613			int
614			get_reg_winpt_flag (const char * name)
615			{
616			char * buf;
617			int flag = 0;
618
619			buf = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, name);
620			if (buf && buf[0] == '1')
621			flag = 1;
622			else if (!buf \|\| buf && buf[0] != '0')
623			flag = -1;
624			free_if_alloc (buf);
625			return flag;
626			} /* get_reg_winpt_flag */
627
628
629			/* Retrieve the winpt preferences from the registry. */
630			int
631			get_reg_winpt_prefs (winpt_reg_prefs_s * opt)
632			{
633	twoaday	117	char *val = NULL;
634	twoaday	73	size_t i;
635	werner	36
636			for (i=1; i < DIM (cfg); i++) {
637			val = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, cfg[i]);
638			if (!val \|\| *val == ' ') {
639			free_if_alloc (val);
640			continue;
641			}
642			switch (i) {
643			case CFG_CACHETIME:
644			opt->cache_time = atol (val);
645			/* We do NOT support passphrase caching for more than an hour.
646			* Perhaps we should allow it, but for now we silently drop this.
647			*/
648			if (opt->cache_time > 3600)
649			opt->cache_time = 3600;
650			break;
651			case CFG_WORDWRAP:
652			opt->word_wrap = atol (val);
653			break;
654			case CFG_FASTMODE:
655			opt->use_tmpfiles = atol (val);
656			break;
657			case CFG_NOZIP_MMEDIA:
658			opt->no_zip_mmedia = atol (val);
659			break;
660			case CFG_VIEWER:
661			opt->use_viewer = atol (val);
662			break;
663			case CFG_WIPEMODE:
664			opt->wipe_mode = atol (val);
665			break;
666			case CFG_DISHOTKEYS:
667			opt->no_hotkeys = atol (val);
668			break;
669			case CFG_ALWAYSTRUST:
670			opt->always_trust = atol (val);
671			break;
672			case CFG_AUTOBACKUP:
673			opt->auto_backup = atol (val);
674			break;
675			case CFG_AUTOBAKMODE:
676			opt->backup.mode = atol (val);
677			break;
678			case CFG_EXPERT:
679			opt->expert = atol (val);
680			break;
681
682			case CFG_FM_PROGRESS:
683			opt->fm.progress = atol (val);
684			break;
685			}
686			free_if_alloc (val);
687			}
688
689			val = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, "BackupPath");
690			if (val && val[0] != ' ')
691			opt->backup.path = m_strdup (val);
692			free_if_alloc (val);
693
694			for (i=0; reg_hotkeys[i].reg_entry; i++) {
695			val = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, reg_hotkeys[i].reg_entry);
696			if (val && val[0] != ' ') {
697			reg_hotkeys[i].key[0] = *val;
698			reg_hotkeys[i].enabled = 1;
699			}
700			else
701			reg_hotkeys[i].enabled = 0;
702			free_if_alloc (val);
703			}
704			return 0;
705			} /* get_reg_winpt_prefs */
706
707
708			char*
709			get_reg_entry_keyserver (const char *name)
710			{
711			char * p = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG"\\Keyserver", name);
712			if (p && !strcmp (p, "")) {
713			free_if_alloc (p);
714			return NULL;
715			}
716			return p;
717			}
718
719
720			void
721			get_reg_proxy_prefs (char ** host, int * port, char user, char pass)
722			{
723			if (host)
724			*host = get_reg_entry_keyserver ("Host");
725			if (user)
726			*user = get_reg_entry_keyserver ("User");
727			if (pass)
728			*pass = get_reg_entry_keyserver ("Pass");
729			if (port) {
730			char * p = get_reg_entry_keyserver ("Port");
731			if (p) {
732			*port = atol (p);
733			free_if_alloc (p);
734			}
735			}
736			} /* get_reg_proxy_prefs */
737
738
739			int
740			set_reg_entry_keyserver( const char * name, const char * val )
741			{
742			return set_reg_entry( HKEY_CURRENT_USER, WINPT_REG"\\Keyserver", name, val );
743			} /* set_reg_entry_keyserver */
744
745
746			int
747			set_reg_proxy_prefs( const char * host, int port, const char * user, const char * pass )
748			{
749			int rc;
750
751			rc = set_reg_entry_keyserver( "Host", host? host : "" );
752			if( !rc ) {
753			char buf[32];
754			sprintf( buf, "%d", port );
755			rc = set_reg_entry_keyserver( "Port", buf );
756			}
757			if( !rc )
758			rc = set_reg_entry_keyserver( "User", user? user : "" );
759			if( !rc )
760			rc = set_reg_entry_keyserver( "Pass", pass? pass : "" );
761			return rc;
762			} /* set_reg_proxy_prefs */