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/* wptGPGME.cpp - WinPT GPGME interface |
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* Copyright (C) 2001-2004 Timo Schulz |
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* |
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* This file is part of WinPT. |
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* |
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* WinPT is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* WinPT is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with WinPT; if not, write to the Free Software Foundation, |
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#include <sys/types.h> |
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#include <windows.h> |
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|
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#include "../resource.h" |
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#include "wptNLS.h" |
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#include "wptGPG.h" |
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#include "wptErrors.h" |
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#include "wptTypes.h" |
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#include "wptW32API.h" |
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#include "wptVersion.h" |
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#include "wptCommonCtl.h" |
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#include "wptContext.h" |
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#include "wptRegistry.h" |
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#include "wptDlgs.h" |
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|
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#include "openpgp.h" |
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|
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BOOL CALLBACK keycache_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam); |
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void progress_cleanup (progress_filter_s * pfx); |
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|
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static gpgme_keycache_t pub = NULL; |
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static gpgme_keycache_t sec = NULL; |
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static unsigned int reload = 0; |
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|
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|
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void |
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keycache_reload (HWND dlg) |
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{ |
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refresh_cache_s rcs = {0}; |
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|
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rcs.kr_reload = rcs.kr_update = 1; |
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rcs.tr_update = 1; |
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DialogBoxParam( glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, dlg, |
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keycache_dlg_proc, (LPARAM)&rcs ); |
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} /* keycache_reload */ |
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|
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void |
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keycache_release (void) |
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{ |
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int n = gpgme_keycache_count (pub); |
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char tmpbuf[64]; |
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|
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sprintf (tmpbuf, "%d", n); |
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set_reg_key (HKEY_CURRENT_USER, "Software\\WinPT", "nKeys", tmpbuf); |
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|
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if (pub) { |
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gpgme_keycache_release( pub ); |
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pub = NULL; |
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} |
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if (sec) { |
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gpgme_keycache_release( sec ); |
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sec = NULL; |
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} |
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} /* keycache_release */ |
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|
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|
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gpgme_error_t |
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keycache_init( const char *pubring, const char * secring ) |
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{ |
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struct progress_filter_s pfx; |
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gpgme_error_t err; |
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int val = 0; |
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char * p; |
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|
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if (reload) { |
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keycache_release (); |
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reload = 0; |
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} |
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p = get_reg_entry (HKEY_CURRENT_USER, "Software\\WinPT", "nKeys"); |
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if (p && *p != ' ') |
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{ |
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val = atoi (p); |
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free_if_alloc (p); |
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memset (&pfx, 0, sizeof pfx); |
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} |
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|
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err = gpgme_keycache_new (&pub); |
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if (err) |
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return err; |
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if (val != 0) |
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gpgme_keycache_set_cb (pub, progress_callback, &pfx, val); |
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err = gpgme_keycache_new (&sec); |
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if (!err) |
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err = gpgme_keycache_init (pub, NULL, 0); |
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if (!err) |
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err = gpgme_keycache_init( sec, NULL, 1 ); |
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if( !err && pubring && *pubring ) |
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err = gpgme_keycache_prepare( pub, pubring, NULL ); |
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if( !err && secring && * secring ) |
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err = gpgme_keycache_prepare( sec, NULL, secring ); |
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if (!err) |
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gpgme_keycache_sync (pub, sec); |
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if (val != 0) |
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progress_cleanup (&pfx); |
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return err; |
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} /* keycache_init */ |
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|
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|
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void |
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keycache_set_reload( int yes ) |
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{ |
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reload = yes; |
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} /* keycache_set_reload */ |
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|
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|
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int |
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keycache_get_reload( void ) |
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{ |
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return reload; |
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} /* keycache_get_reload */ |
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|
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|
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gpgme_keycache_t |
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keycache_get_ctx( int is_pub ) |
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{ |
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return is_pub? pub : sec; |
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} /* keycache_get_ctx */ |
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|
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|
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static int |
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get_key( const char *keyid, gpgme_key_t *r_key, int secret ) |
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{ |
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gpgme_keycache_t cache; |
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gpgme_error_t err; |
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int mode = secret? KEYCACHE_PRV : KEYCACHE_PUB; |
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|
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if( !keyid ) |
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return WPTERR_GENERAL; |
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if( r_key ) |
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*r_key = NULL; |
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cache = keycache_get_ctx( mode ); |
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if( !cache ) |
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BUG( NULL ); |
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err = gpgme_keycache_find_key( cache, keyid, 0, r_key ); |
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if( err ) |
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return WPTERR_GENERAL; |
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return 0; |
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} /* get_key */ |
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|
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|
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static int |
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get_key2( const char * keyid, gpgme_key_t * r_key, int secret ) |
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{ |
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gpg_iobuf_t inp; |
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char * p; |
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int rc; |
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|
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p = get_gnupg_keyring (1, !NO_STRICT); |
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if( !p ) |
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BUG( NULL ); |
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|
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inp = gpg_iobuf_open( p ); |
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if( !inp ) { |
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const char *s = winpt_strerror( WPTERR_FILE_OPEN ); |
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log_box( _("WinPT Error"), 0, "%s: %s", p, s ); |
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free_if_alloc( p ); |
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return NULL; |
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} |
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gpg_iobuf_ioctl( inp, 3, 1, NULL ); /* disable cache */ |
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rc = gpgme_getkey_bykeyid( inp, keyid, r_key ); |
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|
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gpg_iobuf_close( inp ); |
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free_if_alloc( p ); |
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return rc; |
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} /* get_key2 */ |
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|
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|
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int |
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get_pubkey( const char *keyid, gpgme_key_t *ret_key ) |
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{ |
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int rc = 0; |
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|
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if( pub && sec ) |
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rc = get_key( keyid, ret_key, 0 ); |
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else |
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rc = get_key2( keyid, ret_key, 0 ); |
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return rc; |
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} /* get_pubkey */ |
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|
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|
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int |
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get_seckey( const char *keyid, gpgme_key_t *ret_skey ) |
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{ |
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int rc = 0; |
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|
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if( pub && sec ) |
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rc = get_key( keyid, ret_skey, 1 ); |
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else |
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rc = get_key2( keyid, ret_skey, 1 ); |
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return rc; |
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} /* get_seckey */ |
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|
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|
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int |
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count_insecure_elgkeys (void) |
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{ |
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gpgme_keycache_t pc; |
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gpgme_key_t key; |
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int n=0; |
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|
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pc = keycache_get_ctx (1); |
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if (!pc) |
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BUG (0); |
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while (!gpgme_keycache_next_key (pc, 0, &key)) { |
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if (gpgme_key_get_ulong_attr (key, GPGME_ATTR_ALGO, NULL, 0) |
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== GPGME_PK_ELG_ES) |
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n++; |
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} |
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gpgme_keycache_rewind (pc); |
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return n; |
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} |
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