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/* wptClipDecryptDlg.cpp - Clipboard decrypt dialog |
/* wptClipDecryptDlg.cpp - Clipboard decrypt dialog |
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* Copyright (C) 2000-2004 Timo Schulz |
* Copyright (C) 2000-2005 Timo Schulz |
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* |
* Copyright (C) 2005 g10 Code GmbH |
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* This file is part of WinPT. |
* |
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* |
* This file is part of WinPT. |
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* WinPT is free software; you can redistribute it and/or modify |
* |
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* it under the terms of the GNU General Public License as published by |
* WinPT is free software; you can redistribute it and/or modify |
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* the Free Software Foundation; either version 2 of the License, or |
* it under the terms of the GNU General Public License as published by |
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* (at your option) any later version. |
* the Free Software Foundation; either version 2 of the License, or |
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* |
* (at your option) any later version. |
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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 |
* WinPT is distributed in the hope that it will be useful, |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* GNU General Public License for more details. |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* |
* GNU General Public License for more details. |
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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, |
* You should have received a copy of the GNU General Public License |
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
* 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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#include <windows.h> |
|
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|
#ifdef HAVE_CONFIG_H |
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#include "wptTypes.h" |
#include <config.h> |
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#include "wptW32API.h" |
#endif |
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#include "wptAgent.h" |
|
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#include "wptNLS.h" |
#include <windows.h> |
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#include "wptGPG.h" |
|
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#include "wptVersion.h" |
#include "wptTypes.h" |
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#include "wptErrors.h" |
#include "wptW32API.h" |
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#include "wptCommonCtl.h" |
#include "wptAgent.h" |
| 31 |
#include "wptContext.h" |
#include "wptNLS.h" |
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#include "wptDlgs.h" |
#include "wptGPG.h" |
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#include "wptKeylist.h" |
#include "wptVersion.h" |
| 34 |
#include "wptFileManager.h" |
#include "wptErrors.h" |
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#include "../resource.h" |
#include "wptCommonCtl.h" |
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|
#include "wptContext.h" |
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char * |
#include "wptDlgs.h" |
| 38 |
get_key_userid (const char * keyid) |
#include "wptKeylist.h" |
| 39 |
{ |
#include "wptUTF8.h" |
| 40 |
gpgme_key_t key; |
#include "resource.h" |
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const char * s; |
|
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char * p; |
bool secret_key_available (gpgme_recipient_t rset); |
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|
|
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if( get_pubkey( keyid, &key ) ) |
/* Return the primary user-ID of the key with the keyid @keyid. |
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return m_strdup( "" ); |
Caller must free string. */ |
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s = gpgme_key_get_string_attr( key, GPGME_ATTR_USERID, NULL, 0 ); |
char* |
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if( !s ) |
get_key_userid (const char *keyid) |
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s = _("user ID not found"); |
{ |
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p = new char[strlen( s ) + 4 + 8]; |
winpt_key_s key; |
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if( !p ) |
char *uid; |
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BUG( NULL ); |
|
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sprintf( p, "\n \"%s\"", s ); |
memset (&key, 0, sizeof (key)); |
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return p; |
if (winpt_get_pubkey (keyid, &key)) |
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} /* get_key_userid */ |
return m_strdup (_("user ID not found")); |
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|
uid = new char[strlen (key.ext->uids->uid) + 4 + 8]; |
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|
if (!uid) |
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static gpgme_error_t |
BUG (NULL); |
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list_recipients (gpgme_ctx_t ctx, gpgme_recipients_t *r_rset) |
sprintf (uid, "\n \"%s\"", key.ext->uids->uid); |
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{ |
return uid; |
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gpgme_error_t rc; |
} |
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gpgme_data_t clipdat; |
|
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|
|
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rc = gpgme_data_new_from_clipboard (&clipdat); |
/* Decrypt the clipboard contents and on success |
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if( !rc ) |
replace the data with the plaintext. |
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rc = gpgme_op_list_keys (clipdat, NULL, r_rset); |
Return value: 0 on success. */ |
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gpgme_data_release( clipdat ); |
gpgme_error_t |
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return rc; |
gpgme_op_clip_decrypt (gpgme_ctx_t ctx) |
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} /* list_recipients */ |
{ |
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|
gpgme_error_t err; |
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|
gpgme_data_t ciph = NULL; |
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int |
gpgme_data_t plain = NULL; |
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algo_from_list (gpgme_recipients_t rset, const char * keyid) |
|
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{ |
err = gpg_data_new_from_clipboard (&ciph, 0); |
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void * ctx = NULL; |
if (err) |
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const char * s; |
return err; |
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|
|
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gpgme_recipients_enum_open( rset, &ctx ); |
err = gpgme_data_new (&plain); |
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while( (s = gpgme_recipients_enum_read( rset, &ctx )) ) { |
if (err) { |
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if( !strcmp( s+1, keyid ) ) |
gpgme_data_release (ciph); |
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return *s; |
return err; |
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} |
} |
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return 0; |
|
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} /* algo_from_list */ |
err = gpgme_op_decrypt_verify (ctx, ciph, plain); |
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|
|
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|
gpg_data_release_and_set_clipboard (plain, 0); |
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int |
gpgme_data_release (ciph); |
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clip_decrypt_dlg (HWND hwnd) |
return err; |
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{ |
} |
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gpgme_error_t rc; |
|
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gpgme_ctx_t ctx = NULL; |
|
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gpgme_recipients_t keys = NULL; |
/* Convenient function to provide clipboard decryption. |
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gpgme_sig_t sig = NULL; |
@hwnd is the parent window used for showing messsages. |
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gpgme_op_flags_t flags; |
Return value: 0 on success. */ |
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passphrase_cb_s pwd; |
gpgme_error_t |
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const char *created, *s; |
clip_decrypt_dlg (HWND hwnd) |
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char keyid[17] = {0}; |
{ |
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int novalid = 0; |
gpgme_error_t err; |
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unsigned int pkalgo = 0; |
gpgme_ctx_t ctx = NULL; |
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u32 t, sigstat; |
gpgme_signature_t sig = NULL; |
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|
gpgme_decrypt_result_t res; |
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rc = gpgme_new (&ctx); |
gpgme_verify_result_t sigres; |
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if (rc) |
passphrase_cb_s pwd; |
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BUG (0); |
const char *s; |
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gpgme_enable_logging (ctx); |
const char *uid; |
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|
int pgp_type = 0; |
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/* allow to verify data generated by 'gpg -a --sign foo' */ |
int novalid = 0; |
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if (fm_assume_onepass_sig (NULL) == 0) { |
|
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rc = list_recipients (ctx, &keys); |
/* allow to verify data generated by 'gpg -a --sign foo' */ |
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if (rc) { |
if (fm_assume_onepass_sig (NULL) == 0) { |
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gpgme_show_error (hwnd, rc, ctx, _("Decryption"), MB_ERR); |
/* XXX: addtitional steps needed? */ |
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gpgme_release (ctx); |
} |
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return rc; |
|
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} |
err = gpgme_new (&ctx); |
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} |
if (err) |
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|
BUG (NULL); |
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set_gpg_passphrase_cb (ctx, &pwd, GPG_CMD_DECRYPT, hwnd, _("Decryption")); |
set_gpg_passphrase_cb (&pwd, ctx, GPG_CMD_DECRYPT, hwnd, _("Decryption")); |
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pwd.enc_to = keys; |
gpg_get_recipients (NULL, &pwd.recipients); |
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rc = gpgme_op_clip_decrypt (ctx); |
|
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memset (pwd.pwd, 0, sizeof pwd.pwd); |
err = gpgme_op_clip_decrypt (ctx); |
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if (pwd.cancel) |
if (pwd.cancel) |
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goto leave; |
goto leave; |
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|
if (gpgme_err_code (err) == GPG_ERR_BAD_PASSPHRASE) |
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if (rc == GPGME_Bad_Passphrase) |
agent_del_cache (pwd.keyid); |
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agent_del_cache (pwd.keyid); |
|
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gpgme_decrypt_get_status( ctx, keyid, &flags ); |
res = gpgme_op_decrypt_result (ctx); |
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if (rc == GPGME_No_Seckey && (flags & GPGME_OPFLAG_NOSECKEY)) { |
if (err && res->recipients && !secret_key_available (res->recipients)) { |
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char * p = get_key_userid( keyid+8 ); |
gpgme_recipient_t r = res->recipients; |
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int pkalgo = algo_from_list( keys, keyid ); |
char *u = get_key_userid (r->keyid+8); |
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log_box( _("Decryption"), MB_ERR, |
log_box (_("Decryption"), MB_ERR, |
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_("Encrypted with %s key, ID %s.%s\n" |
_("Encrypted with %s key, ID %s.%s\n" |
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"Decryption failed: secret key not available."), |
"Decryption failed: secret key not available."), |
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gpgme_key_expand_attr( GPGME_ATTR_ALGO, pkalgo ), |
get_key_pubalgo (r->pubkey_algo), r->keyid+8, u); |
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keyid+8, p ); |
free_if_alloc (u); |
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free_if_alloc( p ); |
goto leave; |
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goto leave; |
} |
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} |
else if (res->unsupported_algorithm) { |
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else if (rc) { |
log_box (_("Decryption"), MB_ERR, _("Unsupported algorithm: %s"), |
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gpgme_cliptype_t pgp_type; |
res->unsupported_algorithm); |
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gpgme_clip_get_pgptype (&pgp_type); |
} |
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if (rc == GPGME_No_Data && (pgp_type & GPGME_CLIP_MESSAGE)) |
else if (err) { |
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msg_box (hwnd, _("Broken OpenPGP message (maybe: quoted printable character in armor)."), _("Decryption"), MB_INFO); |
gpg_clip_get_pgptype (&pgp_type); |
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else |
if (gpgme_err_code (err) == GPG_ERR_NO_DATA && (pgp_type & PGP_MESSAGE)) |
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gpgme_show_error( hwnd, rc, ctx, _("Decryption"), MB_ERR ); |
msg_box (hwnd, _("Broken OpenPGP message (maybe: quoted printable " |
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goto leave; |
"character in armor)."), _("Decryption"), MB_INFO); |
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} |
else |
| 146 |
|
msg_box (hwnd, gpgme_strerror (err), _("Decryption"), MB_ERR); |
| 147 |
if( flags & GPGME_OPFLAG_BADMDC ) { |
goto leave; |
| 148 |
const char *s; |
} |
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s = _("WARNING: encrypted message has been manipulated!\n" |
|
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"\n" |
if (0) { /* XXX: Bad MDC */ |
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"Do *NOT* trust any text or data output from this file!\n" |
s = _("WARNING: encrypted message has been manipulated!\n" |
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"It is likely, the data was corrupted during the transport\n" |
"\n" |
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"but it might be also possible that this is part of an attack."); |
"Do *NOT* trust any text or data output from this file!\n" |
| 154 |
msg_box( hwnd, s, _("*** IMPORTANT ***"), MB_INFO ); |
"It is likely, the data was corrupted during the transport\n" |
| 155 |
} |
"but it might be also possible that this is part of an attack."); |
| 156 |
|
msg_box (hwnd, s, _("*** IMPORTANT ***"), MB_INFO); |
| 157 |
show_msg( hwnd, 1500, _("GnuPG Status: Finished") ); |
} |
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gpgme_decrypt_get_sig_ctx( ctx, &sig ); |
|
| 159 |
sigstat = gpgme_sig_get_ulong_attr( sig, 0, GPGME_ATTR_VALIDITY ); |
show_msg (GetDesktopWindow (), 1500, _("GnuPG Status: Finished")); |
| 160 |
if( sig && sigstat != GPGME_SIG_STAT_ERROR ) { |
|
| 161 |
gpgme_key_t key; |
sigres = gpgme_op_verify_result (ctx); |
| 162 |
const char * val; |
if (sigres && sigres->signatures) { |
| 163 |
char keyid[16+1]; |
winpt_key_s key; |
| 164 |
|
const char *keyid; |
| 165 |
val = gpgme_sig_get_string_attr( sig, GPGME_ATTR_KEYID ); |
|
| 166 |
if( !val ) |
sig = sigres->signatures; |
| 167 |
val = "DEADBEEFDEADBEEF"; |
if (!sig->fpr) |
| 168 |
_snprintf( keyid, sizeof(keyid)-1, "%s", val+8 ); |
BUG (NULL); |
| 169 |
sigstat = gpgme_sig_get_ulong_attr( sig, 0, GPGME_ATTR_VALIDITY ); |
keyid = get_keyid_from_fpr (sig->fpr); |
| 170 |
if( get_pubkey( keyid, &key ) ) |
memset (&key, 0, sizeof (key)); |
| 171 |
goto leave; |
if (!winpt_get_pubkey (keyid, &key)) { |
| 172 |
|
if (key.ctx->owner_trust == GPGME_VALIDITY_FULL || |
| 173 |
t = gpgme_sig_get_ulong_attr( sig, 0, GPGME_ATTR_OTRUST ); |
key.ctx->owner_trust == GPGME_VALIDITY_ULTIMATE) |
| 174 |
if( t == GPGME_VALIDITY_FULL || t == GPGME_VALIDITY_ULTIMATE ) |
s = _("Signature Status: Created with a fully trusted key"); |
| 175 |
s = _("Signature Status: Created with a fully trusted key"); |
else if (key.ctx->owner_trust == GPGME_VALIDITY_MARGINAL) |
| 176 |
else if ( t == GPGME_VALIDITY_MARGINAL ) |
s = _("Signature Status: Created with a marginal trusted key"); |
| 177 |
s = _("Signature Status: Created with a marginal trusted key"); |
else if (key.ctx->owner_trust == GPGME_VALIDITY_NEVER) { |
| 178 |
else if ( t == GPGME_VALIDITY_UNKNOWN |
novalid = 1; |
| 179 |
|| t == GPGME_VALIDITY_UNDEFINED |
s = _("Signature Status: Created with an UNTRUSTED key"); |
| 180 |
|| t == GPGME_VALIDITY_NEVER ) { |
} |
| 181 |
novalid = 1; |
else |
| 182 |
s = _("Signature Status: Created with an UNTRUSTED key"); |
s = _("Signature Status: Created with an undefined trusted key"); |
| 183 |
} |
uid = key.ext->uids->uid; |
| 184 |
else |
} |
| 185 |
s = _("Signature Status: Created with an invalid key"); |
else { |
| 186 |
t = gpgme_sig_get_ulong_attr( sig, 0, GPGME_ATTR_CREATED ); |
s = ""; |
| 187 |
created = strtimestamp( t ); |
uid = _("user ID not found"); |
| 188 |
t = gpgme_key_get_ulong_attr( key, GPGME_ATTR_VALIDITY, NULL, 0 ); |
} |
| 189 |
val = gpgme_sig_get_string_attr( sig, GPGME_ATTR_USERID ); |
log_box (_("WinPT Verify"), MB_OK, |
| 190 |
if( !val ) |
_("%s\n" |
| 191 |
val = _("Invalid User ID"); |
"%s\n" |
| 192 |
log_box( _("WinPT Verify"), MB_OK, |
"Signature made: %s\n" |
| 193 |
_("%s\n" |
"From \"%s\" using key ID 0x%s" |
| 194 |
"%s\n" |
"%s %s"), |
| 195 |
"Signature made %s\n" |
s, get_gpg_sigstat (sig->summary), |
| 196 |
"From \"%s\" using key ID 0x%s" |
strtimestamp (sig->timestamp), |
| 197 |
"%s %s"), |
uid, keyid, |
| 198 |
s, gpg_sigstat[sigstat % SIGSTAT_MASK], created, |
novalid? "\nPrimary key fingerprint: " : "", |
| 199 |
val, keyid, |
novalid? get_key_fpr (key.ctx) : ""); |
| 200 |
novalid? "\nPrimary key fingerprint: " : "", |
} |
| 201 |
novalid? get_key_fpr( key ) : "" |
|
| 202 |
); |
leave: |
| 203 |
} |
release_gpg_passphrase_cb (&pwd); |
| 204 |
|
gpgme_release (ctx); |
| 205 |
leave: |
return err; |
| 206 |
gpgme_release( ctx ); |
} |
|
gpgme_recipients_release( keys ); |
|
|
gpgme_sig_release( sig ); |
|
|
return rc; |
|
|
} /* clip_decrypt_dlg */ |
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