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)

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

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

winpt_reg_prefs_s reg_prefs;

#define WINPT_REG "Software\\WinPT"


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);
} /* free_reg_prefs */


/* Register the given WinPT filetype. */
static int
regist_single_filetype (gpg_filetype *gfile)
{
    char icon[256], 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);
} /* regist_single_filetype */


/* 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;
} /* regist_inst_gpg */


/* Install WinPT into the W32 registry, if the entry already 
   exists the function returns immediately.*/
int
regist_inst_winpt (int with_ext, int * created)
{
    HKEY reg;
    char * p = NULL;
    int rc, i, id, n = 0;

    if( created )
        *created = 0;

    p = get_reg_entry (HKEY_CURRENT_USER, WINPT_REG, "Extensions");
    if (p && *p == '1')
        with_ext = 0;
    free_if_alloc( p );

    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 == IDNO ) {
            set_reg_entry( HKEY_CURRENT_USER, WINPT_REG, "Extensions", "1" );
            goto start;
        }
        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] );
            n++;
        }
    }
        
start:
    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 );
        if( n )
            set_reg_entry( HKEY_CURRENT_USER, WINPT_REG, "Extensions", "1" );
        return 0;
    }
    rc = RegCreateKey( HKEY_CURRENT_USER, WINPT_REG, &reg );
    if( !rc_ok( rc ) )
        return WPTERR_REGISTRY;
    if( created )
        *created = 1;
    RegCloseKey( reg );
    if( n )
        set_reg_entry( HKEY_CURRENT_USER, WINPT_REG, "Extensions", "1" );
    return 0;
} /* regist_inst_winpt */


/* 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; 
} /* expand_path */


/* 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)
{
    return get_reg_entry (HKEY_CURRENT_USER, "Software\\GNU\\GnuPG", key);
}


/* 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;
    p = get_reg_entry (HKEY_CURRENT_USER, 
                       "Control Panel\\Mingw32\\NLS", "MODir");
    if (!p)
        p = get_reg_entry_gpg4win ("share\\locale");
    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;
    }
    if (opt->kserv_conf) {
        rc = set_reg_entry (HKEY_CURRENT_USER, WINPT_REG, "KeyserverConfig",
                            opt->kserv_conf);
        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);

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