| 1 |
/* wptKeysignDlg.cpp - Key signing dialog |
| 2 |
* Copyright (C) 2001-2006 Timo Schulz |
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* |
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* This file is part of WinPT. |
| 5 |
* |
| 6 |
* WinPT is free software; you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU General Public License as published by |
| 8 |
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (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, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
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* |
| 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 |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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|
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#include <windows.h> |
| 25 |
#include <commctrl.h> |
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#include <time.h> |
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|
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#include "resource.h" |
| 29 |
#include "wptGPG.h" |
| 30 |
#include "wptNLS.h" |
| 31 |
#include "wptW32API.h" |
| 32 |
#include "wptVersion.h" |
| 33 |
#include "wptTypes.h" |
| 34 |
#include "wptErrors.h" |
| 35 |
#include "wptCommonCtl.h" |
| 36 |
#include "wptContext.h" |
| 37 |
#include "wptDlgs.h" |
| 38 |
#include "wptUTF8.h" |
| 39 |
#include "wptRegistry.h" |
| 40 |
#include "wptKeylist.h" |
| 41 |
#include "wptKeyEdit.h" |
| 42 |
|
| 43 |
|
| 44 |
/* Return a beautified printable fingerprint of @fpr. */ |
| 45 |
static const char* |
| 46 |
get_printable_fpr (const char *fpr) |
| 47 |
{ |
| 48 |
static char pfpr[64]; |
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int pos = 0; |
| 50 |
size_t i; |
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|
| 52 |
for (i = 0; i < strlen (fpr); i += 4) { |
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pfpr[pos++] = fpr[i]; |
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pfpr[pos++] = fpr[i+1]; |
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pfpr[pos++] = fpr[i+2]; |
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pfpr[pos++] = fpr[i+3]; |
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pfpr[pos++] = ' '; |
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} |
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return pfpr; |
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} |
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|
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|
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/* Return human friendly information about the key @key. */ |
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static const char* |
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get_keyinfo (gpgme_key_t key) |
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{ |
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static char buf[64+16]; |
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struct winpt_key_s k; |
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|
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memset (&k, 0, sizeof (k)); |
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winpt_get_seckey (key->subkeys->keyid, &k); |
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_snprintf (buf, DIM (buf)-1-16, "%d-bit %s key, ID %s", |
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key->subkeys->length, |
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get_key_pubalgo (key->subkeys->pubkey_algo), |
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key->subkeys->keyid+8); |
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if (k.ext->gloflags.divert_to_card) |
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strcat (buf, " (Card)"); |
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return buf; |
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} |
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|
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|
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/* Fill the secret key combo-box with all entries from the cache. |
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@dlg is the handle to the combo-box. @keyid show which key to skip. |
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Return value: 0 on success. */ |
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static int |
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do_fill_seckeylist (HWND dlg, const char *keyid) |
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{ |
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gpg_keycache_t sec; |
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gpgme_key_t pk, defkey; |
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const char *s; |
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char *uid, *p; |
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int i = 0, n = 0, curr_sel = 0; |
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|
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sec = keycache_get_ctx (0); |
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if (!sec) |
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BUG (0); |
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gpg_keycache_get_default_key (sec, &defkey); |
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gpg_keycache_rewind (sec); |
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while (!gpg_keycache_next_key (sec, 1, &pk)) { |
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if (!pk) |
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continue; |
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s = pk->subkeys->keyid; |
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if (!strcmp (s, keyid)) |
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continue; |
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/* skip all ElGamal sign+encrypt keys */ |
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if (pk->subkeys->pubkey_algo == GPGME_PK_ELG) |
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continue; |
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/* make sure the public key is okay not: revoked, expired or disabled. */ |
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if (pk->expired ||pk->revoked || pk->disabled) |
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continue; |
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s = pk->uids->name; |
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if (!s) |
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continue; |
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if (defkey && !strcmp (defkey->subkeys->keyid, pk->subkeys->keyid)) |
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curr_sel = i; |
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uid = utf8_to_native (s); |
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p = new char[strlen (uid) + 64]; |
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if (!p) |
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BUG (NULL); |
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_snprintf (p, strlen (uid) + 63, "%s (%s)", uid, get_keyinfo (pk)); |
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SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, |
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CB_ADDSTRING, i, (LPARAM)(char *)p); |
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SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, |
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CB_SETITEMDATA, i++, (LPARAM)(DWORD)pk); |
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free_if_alloc (p); |
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free (uid); |
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n++; |
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} |
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SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, |
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CB_SETCURSEL, (WPARAM)curr_sel, 0); |
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if (!n) |
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return -1; |
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return 0; |
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} |
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|
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|
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/* Check if the selected key is protected and en- or disable the |
| 138 |
passphrase control. */ |
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static void |
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do_check_protection (HWND dlg) |
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{ |
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int idx, protec; |
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gpgme_key_t key; |
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struct winpt_key_s k; |
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|
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idx = SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETCURSEL, 0, 0 ); |
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key = (gpgme_key_t)SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETITEMDATA, (WPARAM)idx, 0 ); |
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if (key) { |
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winpt_get_seckey (key->subkeys->keyid, &k); |
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protec = k.is_protected; |
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if (!protec) |
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protec = k.ext->gloflags.divert_to_card; |
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EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_PASSPHRASE), protec? TRUE : FALSE); |
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} |
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} |
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|
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|
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/* Dialog box procedure to choose the signature class. */ |
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BOOL CALLBACK |
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sig_class_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam) |
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{ |
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int sig_class = 0; |
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|
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switch (msg) { |
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case WM_INITDIALOG: |
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SetWindowText (dlg, _("Choose Signature Class")); |
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SetDlgItemText (dlg, IDC_SIGCLASS_TITLEINF, _("How carefully have you verified the key you are about to sign actually belongs to the person? If you don't know what to anwser, use \"0\".")); |
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SetDlgItemText (dlg, IDC_SIGCLASS_CLASS0, _("(0) I will not answer (default)")); |
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SetDlgItemText (dlg, IDC_SIGCLASS_CLASS1, _("(1) I have not checked at all.")); |
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SetDlgItemText (dlg, IDC_SIGCLASS_CLASS2, _("(2) I have done causal checking.")); |
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SetDlgItemText (dlg, IDC_SIGCLASS_CLASS3, _("(3) I have done very careful checkings.")); |
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CheckDlgButton (dlg, IDC_SIGCLASS_CLASS0, BST_CHECKED); |
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SetForegroundWindow (dlg); |
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center_window (dlg, NULL); |
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return TRUE; |
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|
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case WM_COMMAND: |
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switch (LOWORD (wparam)) { |
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case IDOK: |
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if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS0)) |
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sig_class = 0; |
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else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS1)) |
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sig_class = 1; |
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else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS2)) |
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sig_class = 2; |
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else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS3)) |
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sig_class = 3; |
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else |
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sig_class = 0; |
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EndDialog (dlg, sig_class); |
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return TRUE; |
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|
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case IDCANCEL: |
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EndDialog (dlg, 0); |
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return TRUE; |
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} |
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break; |
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} |
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|
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return FALSE; |
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} |
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|
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|
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/* Return the humand friendly expiration date of @key. */ |
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static const char* |
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get_expire_date (gpgme_key_t key) |
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{ |
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u32 u = key->subkeys->expires; |
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if (!u) |
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return _("never"); |
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return get_key_expire_date (u); |
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} |
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|
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/* Display photo of key @key in a separate window. */ |
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static void |
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show_photo (winpt_key_t key) |
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{ |
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/* XXX: fill it with life. */ |
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} |
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|
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|
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/* Check if the given system time @st points to today. */ |
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static int |
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date_is_today (SYSTEMTIME *st) |
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{ |
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time_t t; |
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struct tm *tm; |
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|
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t = time (NULL); |
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tm = localtime (&t); |
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if (st->wDay == tm->tm_mday && |
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st->wYear == tm->tm_year+1900 && |
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st->wMonth == tm->tm_mon+1) |
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return -1; |
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return 0; |
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} |
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|
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|
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/* Dialog box procedure to sign a key. */ |
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BOOL CALLBACK |
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keysign_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam) |
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{ |
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static winpt_key_t key; |
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GpgKeyEdit *ke; |
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gpgme_error_t err; |
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gpgme_key_t k; |
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SYSTEMTIME st; |
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HWND h; |
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char keymsg[2048], pwd[256]; |
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char *uid = NULL; |
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const char *keyid, *s; |
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int type, expires=0, idx; |
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int sig_class = 0; |
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|
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switch (msg) { |
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case WM_INITDIALOG: |
| 257 |
if (lparam == 0) |
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dlg_fatal_error (dlg, "could not get dialog param."); |
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SetWindowText (dlg, _("Key Signing")); |
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key = (winpt_key_t) lparam; |
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_snprintf (keymsg, sizeof keymsg -1, |
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_("pub %d/%s created: %s expires: %s\n\n" |
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"Primary key fingerprint: %s\n\n" |
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"\t%s\n\n" |
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"\nAre you really sure that you want to sign this key with YOUR key?\n"), |
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key->ctx->subkeys->length, |
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key->ctx->subkeys->keyid+8, |
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get_key_created (key->ctx->subkeys->timestamp), |
| 269 |
get_expire_date (key->ctx), |
| 270 |
get_printable_fpr (key->ctx->subkeys->fpr), |
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key->ctx->uids->uid); |
| 272 |
s = key->ctx->subkeys->keyid; |
| 273 |
if (do_fill_seckeylist (dlg, s)) { |
| 274 |
msg_box (dlg, _("No valid secret key found."), _("Key Signing"), MB_ERR); |
| 275 |
EndDialog (dlg, FALSE); |
| 276 |
break; |
| 277 |
} |
| 278 |
do_check_protection (dlg); |
| 279 |
SetDlgItemText_utf8 (dlg, IDC_KEYSIGN_INFOS, keymsg); |
| 280 |
SetDlgItemText (dlg, IDC_KEYSIGN_LOCAL, _("Sign local only (non exportable signature)")); |
| 281 |
SetDlgItemText (dlg, IDC_KEYSIGN_EXPSIG, _("Signature expires on")); |
| 282 |
SetDlgItemText (dlg, IDC_KEYSIGN_NREV, _("Sign non-revocably")); |
| 283 |
SetDlgItemText (dlg, IDC_KEYSIGN_ASKLEVEL, _("&Ask for certification level")); |
| 284 |
SetDlgItemText (dlg, IDC_KEYSIGN_PWDINF, _("Passphrase")); |
| 285 |
SetDlgItemText (dlg, IDCANCEL, _("&Cancel")); |
| 286 |
SetDlgItemText (dlg, IDC_KEYSIGN_SHOWIMG, _("&Show photo")); |
| 287 |
SetDlgItemText (dlg, IDC_KEYSIGN_HIDE, _("&Hide Typing")); |
| 288 |
CheckDlgButton (dlg, IDC_KEYSIGN_LOCAL, BST_CHECKED); |
| 289 |
CheckDlgButton (dlg, IDC_KEYSIGN_EXPSIG, BST_UNCHECKED); |
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CheckDlgButton (dlg, IDC_KEYSIGN_ASKLEVEL, BST_UNCHECKED); |
| 291 |
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), FALSE); |
| 292 |
if (reg_prefs.expert == 0) |
| 293 |
ShowWindow (GetDlgItem (dlg, IDC_KEYSIGN_NREV), SW_HIDE); |
| 294 |
if (key->ext && key->ext->attrib.len > 0) |
| 295 |
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_SHOWIMG), TRUE); |
| 296 |
if (!reg_prefs.gpg.ask_cert_level) |
| 297 |
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_ASKLEVEL), FALSE); |
| 298 |
if (!reg_prefs.gpg.ask_cert_expire) |
| 299 |
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPSIG), FALSE); |
| 300 |
CheckDlgButton (dlg, IDC_KEYSIGN_HIDE, BST_CHECKED); |
| 301 |
SetForegroundWindow (dlg); |
| 302 |
h = GetDlgItem (dlg, IDC_KEYSIGN_PASSPHRASE); |
| 303 |
SetFocus (h); |
| 304 |
return FALSE; |
| 305 |
|
| 306 |
case WM_SYSCOMMAND: |
| 307 |
if (LOWORD (wparam) == SC_CLOSE) { |
| 308 |
SetDlgItemText (dlg, IDC_KEYSIGN_PASSPHRASE, ""); |
| 309 |
EndDialog (dlg, TRUE); |
| 310 |
} |
| 311 |
return FALSE; |
| 312 |
|
| 313 |
case WM_COMMAND: |
| 314 |
if (HIWORD (wparam) == CBN_SELCHANGE) { |
| 315 |
do_check_protection (dlg); |
| 316 |
break; |
| 317 |
} |
| 318 |
if (HIWORD (wparam) == BN_CLICKED && |
| 319 |
LOWORD (wparam) == IDC_KEYSIGN_EXPSIG) { |
| 320 |
int enable = IsDlgButtonChecked (dlg, IDC_KEYSIGN_EXPSIG); |
| 321 |
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), enable? TRUE : FALSE); |
| 322 |
} |
| 323 |
if (HIWORD (wparam) == BN_CLICKED && |
| 324 |
LOWORD (wparam) == IDC_KEYSIGN_HIDE) { |
| 325 |
HWND hwnd = GetDlgItem (dlg, IDC_KEYSIGN_PASSPHRASE); |
| 326 |
int hide = IsDlgButtonChecked (dlg, IDC_KEYSIGN_HIDE); |
| 327 |
SendMessage (hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0); |
| 328 |
SetFocus (hwnd); |
| 329 |
} |
| 330 |
|
| 331 |
switch (LOWORD (wparam)) { |
| 332 |
case IDOK: |
| 333 |
if (IsDlgButtonChecked (dlg, IDC_KEYSIGN_ASKLEVEL)) |
| 334 |
sig_class = dialog_box_param (glob_hinst, |
| 335 |
(LPCSTR)IDD_WINPT_SIGCLASS, dlg, |
| 336 |
sig_class_dlg_proc, (LPARAM)NULL, |
| 337 |
_("Choose Signature Class"), |
| 338 |
IDS_WINPT_SIGCLASS); |
| 339 |
type = IsDlgButtonChecked (dlg, IDC_KEYSIGN_LOCAL); |
| 340 |
if (type) |
| 341 |
type = GPG_EDITKEY_LSIGN; |
| 342 |
else |
| 343 |
type = GPG_EDITKEY_SIGN; |
| 344 |
|
| 345 |
if (reg_prefs.expert && IsDlgButtonChecked (dlg, IDC_KEYSIGN_NREV)) { |
| 346 |
type = GPG_EDITKEY_NRSIGN; |
| 347 |
if (type == GPG_EDITKEY_LSIGN) |
| 348 |
type = GPG_EDITKEY_NRLSIGN; |
| 349 |
} |
| 350 |
if (IsDlgButtonChecked (dlg, IDC_KEYSIGN_EXPSIG)) { |
| 351 |
DateTime_GetSystemtime (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), &st); |
| 352 |
if (date_is_today (&st)) { |
| 353 |
msg_box (dlg, _("You cannot select today as the expiration date."), |
| 354 |
_("Key Signing"), MB_INFO); |
| 355 |
return TRUE; |
| 356 |
} |
| 357 |
else |
| 358 |
expires = 1; |
| 359 |
sprintf (keymsg, "%04d-%02d-%02d", st.wYear, st.wMonth, st.wDay); |
| 360 |
} |
| 361 |
|
| 362 |
/* XXX: check for --ask-cert-level and --ask-cert-expire in the gpg.conf |
| 363 |
if an advanced button is checked and offer to add it to the config |
| 364 |
file. */ |
| 365 |
|
| 366 |
GetDlgItemText( dlg, IDC_KEYSIGN_PASSPHRASE, pwd, DIM (pwd)-1); |
| 367 |
keyid = key->ctx->subkeys->keyid; |
| 368 |
if( !keyid ) { |
| 369 |
msg_box( dlg, _("Could not get Key ID from key."), _("Key Signing"), MB_ERR ); |
| 370 |
return TRUE; |
| 371 |
} |
| 372 |
ke = new GpgKeyEdit (keyid); |
| 373 |
if (!ke) |
| 374 |
BUG (NULL); |
| 375 |
ke->setPassphrase (pwd); |
| 376 |
idx = SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_GETCURSEL, 0, 0); |
| 377 |
k = (gpgme_key_t)SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, |
| 378 |
CB_GETITEMDATA, (WPARAM)idx, 0); |
| 379 |
if (k) |
| 380 |
ke->setLocalUser (k); |
| 381 |
|
| 382 |
err = ke->signKey (type, sig_class, expires? keymsg : "0"); |
| 383 |
wipememory (pwd, sizeof (pwd)); |
| 384 |
if (err) { |
| 385 |
delete ke; |
| 386 |
msg_box (dlg, gpgme_strerror (err), _("Key Signing"), MB_ERR); |
| 387 |
return TRUE; |
| 388 |
} |
| 389 |
if (ke->getResult () != 0) |
| 390 |
msg_box (dlg, _("This key is already signed by your key"), |
| 391 |
_("Key Signing"), MB_INFO); |
| 392 |
else { |
| 393 |
status_box (dlg, _("Key successfully signed."), _("Key Signing")); |
| 394 |
key->update = 1; |
| 395 |
} |
| 396 |
delete ke; |
| 397 |
EndDialog (dlg, TRUE); |
| 398 |
return TRUE; |
| 399 |
|
| 400 |
case IDCANCEL: |
| 401 |
EndDialog (dlg, FALSE); |
| 402 |
return TRUE; |
| 403 |
|
| 404 |
case IDC_KEYSIGN_SHOWIMG: |
| 405 |
show_photo (key); |
| 406 |
return TRUE; |
| 407 |
} |
| 408 |
break; |
| 409 |
} |
| 410 |
|
| 411 |
return FALSE; |
| 412 |
} |
| 413 |
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