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"

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