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werner |
36 |
/* wptKeysignDlg.cpp - Key signing dialog |
2 |
twoaday |
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* Copyright (C) 2001-2006, 2008-2009 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 modify |
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* it under the terms of the GNU General Public License as published by |
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* 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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* |
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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 |
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* GNU General Public License for more details. |
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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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#include <windows.h> |
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#include <commctrl.h> |
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#include <time.h> |
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#include <assert.h> |
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|
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#include "resource.h" |
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#include "wptGPG.h" |
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#include "wptNLS.h" |
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#include "wptW32API.h" |
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#include "wptVersion.h" |
30 |
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#include "wptTypes.h" |
31 |
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#include "wptErrors.h" |
32 |
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#include "wptCommonCtl.h" |
33 |
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#include "wptContext.h" |
34 |
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#include "wptDlgs.h" |
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#include "wptUTF8.h" |
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#include "wptRegistry.h" |
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#include "wptKeylist.h" |
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#include "wptKeyEdit.h" |
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#include "StringBuffer.h" |
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|
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|
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int key_load_photo (winpt_key_t key, |
43 |
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char *photo_file, size_t photo_file_size, |
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gpgme_validity_t *r_valid); |
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int get_photo_tmpname (gpgme_key_t key, char *buf, size_t buflen); |
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twoaday |
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|
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/* Return a beautified printable fingerprint of @fpr. */ |
48 |
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static const char* |
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get_printable_fpr (const char *fpr) |
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{ |
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twoaday |
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static char pfpr[128]; |
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int pos = 0; |
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size_t i; |
54 |
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|
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memset (pfpr, 0, sizeof (pfpr)); |
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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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66 |
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/* Return human friendly information about the key @key. */ |
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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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memset (&k, 0, sizeof (k)); |
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twoaday |
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if (winpt_get_seckey (key->subkeys->keyid, &k)) |
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BUG (0); |
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_snprintf (buf, DIM (buf)-1-16, _("%d-bit %s key, ID 0x%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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/* 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; |
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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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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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StringBuffer p; |
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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. */ |
114 |
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if (pk->expired ||pk->revoked || pk->disabled) |
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continue; |
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s = pk->uids->name; |
117 |
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if (!s) |
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continue; |
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twoaday |
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if (defkey && !strcmp (defkey->subkeys->keyid, pk->subkeys->keyid)) |
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curr_sel = i; |
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twoaday |
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|
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twoaday |
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uid = utf8_to_native (s); |
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twoaday |
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p = uid; |
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p = p + " (" + get_keyinfo (pk) + ")"; |
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twoaday |
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SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, |
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twoaday |
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CB_ADDSTRING, i, (LPARAM)(char *)p.getBuffer ()); |
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twoaday |
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SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, |
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CB_SETITEMDATA, i++, (LPARAM)(DWORD)pk); |
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twoaday |
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safe_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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139 |
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140 |
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/* Check if the selected key is protected and en- or disable the |
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passphrase control. */ |
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static void |
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do_check_protection (HWND dlg) |
144 |
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{ |
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gpgme_key_t key; |
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struct winpt_key_s k; |
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twoaday |
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int idx, protec; |
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|
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twoaday |
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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, |
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CB_GETITEMDATA, (WPARAM)idx, 0); |
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twoaday |
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if (!key) |
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return; |
154 |
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if (winpt_get_seckey (key->subkeys->keyid, &k)) |
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BUG (0); |
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protec = k.is_protected; |
157 |
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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), |
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protec? TRUE : FALSE); |
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} |
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163 |
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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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twoaday |
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HWND parent; |
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twoaday |
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|
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switch (msg) { |
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case WM_INITDIALOG: |
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twoaday |
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parent = (HWND)lparam; |
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SetWindowText (dlg, _("Choose Signature Class")); |
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twoaday |
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SetDlgItemText (dlg, IDC_SIGCLASS_TITLEINF, |
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_("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, |
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_("(0) I will not answer (default)")); |
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SetDlgItemText (dlg, IDC_SIGCLASS_CLASS1, |
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_("(1) I have not checked at all.")); |
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SetDlgItemText (dlg, IDC_SIGCLASS_CLASS2, |
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_("(2) I have done causal checking.")); |
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SetDlgItemText (dlg, IDC_SIGCLASS_CLASS3, |
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twoaday |
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_("(3) I have done very careful checking.")); |
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CheckDlgButton (dlg, IDC_SIGCLASS_CLASS0, BST_CHECKED); |
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SetForegroundWindow (dlg); |
186 |
twoaday |
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center_window (dlg, parent? parent : NULL); |
187 |
twoaday |
328 |
return TRUE; |
188 |
werner |
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|
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case WM_COMMAND: |
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twoaday |
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switch (LOWORD (wparam)) { |
191 |
werner |
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case IDOK: |
192 |
twoaday |
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int sig_class; |
193 |
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|
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werner |
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if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS0)) |
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twoaday |
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sig_class = 0; |
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else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS1)) |
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twoaday |
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sig_class = 1; |
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werner |
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else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS2)) |
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twoaday |
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sig_class = 2; |
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werner |
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else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS3)) |
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twoaday |
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sig_class = 3; |
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werner |
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else |
203 |
twoaday |
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sig_class = 0; |
204 |
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EndDialog (dlg, sig_class); |
205 |
twoaday |
328 |
break; |
206 |
twoaday |
170 |
|
207 |
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case IDCANCEL: |
208 |
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EndDialog (dlg, 0); |
209 |
twoaday |
328 |
break; |
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36 |
} |
211 |
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break; |
212 |
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} |
213 |
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214 |
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return FALSE; |
215 |
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} |
216 |
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217 |
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218 |
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/* Return the humand friendly expiration date of @key. */ |
219 |
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static const char* |
220 |
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get_expire_date (gpgme_key_t key) |
221 |
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{ |
222 |
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u32 u = key->subkeys->expires; |
223 |
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if (!u) |
224 |
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return _("never"); |
225 |
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return get_key_expire_date (u); |
226 |
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} |
227 |
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228 |
twoaday |
225 |
|
229 |
twoaday |
181 |
/* Check if the given system time @st points to today. */ |
230 |
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static int |
231 |
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date_is_today (SYSTEMTIME *st) |
232 |
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{ |
233 |
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time_t t; |
234 |
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struct tm *tm; |
235 |
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|
236 |
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t = time (NULL); |
237 |
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tm = localtime (&t); |
238 |
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if (st->wDay == tm->tm_mday && |
239 |
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st->wYear == tm->tm_year+1900 && |
240 |
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st->wMonth == tm->tm_mon+1) |
241 |
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return -1; |
242 |
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return 0; |
243 |
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} |
244 |
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|
245 |
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|
246 |
twoaday |
255 |
/* Display all needed information about the key @key in the dialog @dlg. */ |
247 |
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static void |
248 |
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display_keyinfo (HWND dlg, winpt_key_t key) |
249 |
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{ |
250 |
twoaday |
278 |
StringBuffer kinf; |
251 |
twoaday |
255 |
struct native_uid_s *u; |
252 |
twoaday |
278 |
char tmp[256]; |
253 |
twoaday |
328 |
int len; |
254 |
twoaday |
278 |
|
255 |
twoaday |
271 |
_snprintf (tmp, DIM (tmp) -1, |
256 |
twoaday |
256 |
_("pub %d/0x%s created: %s expires: %s\n\n" |
257 |
twoaday |
328 |
"Key fingerprint:\n%s\n\n"), |
258 |
twoaday |
255 |
key->ctx->subkeys->length, |
259 |
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key->ctx->subkeys->keyid+8, |
260 |
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get_key_created (key->ctx->subkeys->timestamp), |
261 |
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get_expire_date (key->ctx), |
262 |
twoaday |
278 |
get_printable_fpr (key->ctx->subkeys->fpr)); |
263 |
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kinf = tmp; |
264 |
twoaday |
256 |
for (len=0, u = key->ext->uids; u; u = u->next) { |
265 |
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if (u->revoked) |
266 |
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continue; |
267 |
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if (len++ > 2) |
268 |
twoaday |
328 |
break; |
269 |
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kinf = kinf + " \""; |
270 |
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if (strlen (u->uid) > 128) { |
271 |
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kinf.add (u->uid, 128); |
272 |
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kinf += "..."; |
273 |
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// FIXME: make sure at least the e-mail address will be shown! |
274 |
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} |
275 |
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else |
276 |
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kinf += u->uid; |
277 |
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kinf += "\"\n"; |
278 |
twoaday |
255 |
} |
279 |
twoaday |
278 |
SetDlgItemText (dlg, IDC_KEYSIGN_INFOS, kinf.getBuffer ()); |
280 |
twoaday |
255 |
} |
281 |
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|
282 |
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|
283 |
twoaday |
328 |
void set_gpg_auto_passphrase_cb (passphrase_cb_s *cb, const char *title); |
284 |
|
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gpgme_error_t passphrase_cb (void *hook, const char *uid_hint, |
285 |
|
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const char *passphrase_info, |
286 |
|
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int prev_was_bad, int fd); |
287 |
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|
288 |
twoaday |
278 |
/* Perform the actual procedure to sign the key. */ |
289 |
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static BOOL |
290 |
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on_click_ok (HWND dlg, winpt_key_t key) |
291 |
werner |
36 |
{ |
292 |
twoaday |
278 |
gpgme_key_t k; |
293 |
werner |
36 |
gpgme_error_t err; |
294 |
|
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SYSTEMTIME st; |
295 |
twoaday |
278 |
GpgKeyEdit ke; |
296 |
|
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int sig_class = 0; |
297 |
twoaday |
328 |
char keymsg[64]; |
298 |
werner |
36 |
int type, expires=0, idx; |
299 |
twoaday |
278 |
|
300 |
|
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if (IsDlgButtonChecked (dlg, IDC_KEYSIGN_ASKLEVEL)) |
301 |
|
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sig_class = dialog_box_param (glob_hinst, |
302 |
|
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(LPCSTR)IDD_WINPT_SIGCLASS, dlg, |
303 |
|
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sig_class_dlg_proc, (LPARAM)dlg, |
304 |
|
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_("Choose Signature Class"), |
305 |
|
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IDS_WINPT_SIGCLASS); |
306 |
|
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type = IsDlgButtonChecked (dlg, IDC_KEYSIGN_LOCAL); |
307 |
|
|
if (type) |
308 |
|
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type = GPG_EDITKEY_LSIGN; |
309 |
|
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else |
310 |
|
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type = GPG_EDITKEY_SIGN; |
311 |
twoaday |
328 |
|
312 |
twoaday |
278 |
if (reg_prefs.expert && IsDlgButtonChecked (dlg, IDC_KEYSIGN_NREV)) { |
313 |
|
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type = GPG_EDITKEY_NRSIGN; |
314 |
|
|
if (type == GPG_EDITKEY_LSIGN) |
315 |
|
|
type = GPG_EDITKEY_NRLSIGN; |
316 |
|
|
} |
317 |
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|
|
318 |
|
|
if (IsDlgButtonChecked (dlg, IDC_KEYSIGN_EXPSIG)) { |
319 |
|
|
DateTime_GetSystemtime (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), &st); |
320 |
|
|
if (date_is_today (&st)) { |
321 |
twoaday |
328 |
show_balloon_msg (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), |
322 |
|
|
_("You cannot select today as the expiration date."), |
323 |
|
|
IDI_WARNING); |
324 |
twoaday |
278 |
return TRUE; |
325 |
|
|
} |
326 |
|
|
else |
327 |
|
|
expires = 1; |
328 |
|
|
_snprintf (keymsg, DIM (keymsg)-1, "%04d-%02d-%02d", |
329 |
|
|
st.wYear, st.wMonth, st.wDay); |
330 |
|
|
} |
331 |
|
|
|
332 |
|
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assert (key->ctx->subkeys->keyid != NULL); /* should be always true. */ |
333 |
|
|
ke.setKeyID (key->ctx->subkeys->keyid); |
334 |
twoaday |
328 |
|
335 |
|
|
// XXX: callback hangs after bad passphrase |
336 |
|
|
passphrase_cb_s cb; |
337 |
|
|
set_gpg_auto_passphrase_cb (&cb, _("Key Edit")); |
338 |
|
|
ke.setPassphraseCallback (passphrase_cb, (void*)&cb); |
339 |
|
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|
340 |
|
|
HWND klist = GetDlgItem (dlg, IDC_KEYSIGN_KEYLIST); |
341 |
|
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idx = SendMessage (klist, CB_GETCURSEL, 0, 0); |
342 |
twoaday |
278 |
k = (gpgme_key_t)SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, |
343 |
|
|
CB_GETITEMDATA, (WPARAM)idx, 0); |
344 |
|
|
if (k != NULL) |
345 |
|
|
ke.setLocalUser (k); |
346 |
|
|
|
347 |
twoaday |
328 |
err = ke.signKey (type, sig_class, expires? keymsg : "0"); |
348 |
|
|
release_gpg_passphrase_cb (&cb); |
349 |
twoaday |
278 |
if (err) { |
350 |
|
|
msg_box (dlg, gpgme_strerror (err), _("Key Signing"), MB_ERR); |
351 |
|
|
return TRUE; |
352 |
|
|
} |
353 |
twoaday |
328 |
else if (ke.getResult () != 0) { |
354 |
|
|
show_balloon_msg (klist, _("This key is already signed by your key"), |
355 |
|
|
IDI_INFORMATION); |
356 |
|
|
return TRUE; |
357 |
|
|
} |
358 |
twoaday |
278 |
else { |
359 |
|
|
status_box (dlg, _("Key successfully signed."), _("Key Signing")); |
360 |
|
|
key->update = 1; |
361 |
|
|
} |
362 |
|
|
EndDialog (dlg, TRUE); |
363 |
|
|
return TRUE; |
364 |
|
|
} |
365 |
|
|
|
366 |
|
|
|
367 |
|
|
/* Dialog box procedure to sign a key. */ |
368 |
|
|
BOOL CALLBACK |
369 |
|
|
keysign_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam) |
370 |
|
|
{ |
371 |
|
|
static winpt_key_t key; |
372 |
twoaday |
328 |
char buf[MAX_PATH+128+1]; |
373 |
twoaday |
278 |
const char *s; |
374 |
|
|
|
375 |
twoaday |
177 |
switch (msg) { |
376 |
werner |
36 |
case WM_INITDIALOG: |
377 |
|
|
key = (winpt_key_t) lparam; |
378 |
twoaday |
225 |
if (!key) |
379 |
twoaday |
255 |
BUG (0); |
380 |
werner |
36 |
s = key->ctx->subkeys->keyid; |
381 |
|
|
if (do_fill_seckeylist (dlg, s)) { |
382 |
twoaday |
328 |
msg_box (dlg, _("No valid secret key found."), |
383 |
|
|
_("Key Signing"), MB_ERR); |
384 |
werner |
36 |
EndDialog (dlg, FALSE); |
385 |
twoaday |
225 |
return TRUE; |
386 |
twoaday |
328 |
} |
387 |
twoaday |
255 |
display_keyinfo (dlg, key); |
388 |
werner |
36 |
SetDlgItemText (dlg, IDC_KEYSIGN_LOCAL, _("Sign local only (non exportable signature)")); |
389 |
|
|
SetDlgItemText (dlg, IDC_KEYSIGN_EXPSIG, _("Signature expires on")); |
390 |
|
|
SetDlgItemText (dlg, IDC_KEYSIGN_NREV, _("Sign non-revocably")); |
391 |
|
|
SetDlgItemText (dlg, IDC_KEYSIGN_ASKLEVEL, _("&Ask for certification level")); |
392 |
twoaday |
328 |
SetDlgItemText (dlg, IDCANCEL, _("&Cancel")); |
393 |
|
|
SetDlgItemText (dlg, IDC_KEYSIGN_CONFIRMSIGN, _("Are you really sure that you want to sign this key with YOUR key?")); |
394 |
twoaday |
225 |
SetWindowText (dlg, _("Key Signing")); |
395 |
werner |
36 |
CheckDlgButton (dlg, IDC_KEYSIGN_LOCAL, BST_CHECKED); |
396 |
|
|
CheckDlgButton (dlg, IDC_KEYSIGN_EXPSIG, BST_UNCHECKED); |
397 |
|
|
CheckDlgButton (dlg, IDC_KEYSIGN_ASKLEVEL, BST_UNCHECKED); |
398 |
|
|
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), FALSE); |
399 |
|
|
if (reg_prefs.expert == 0) |
400 |
|
|
ShowWindow (GetDlgItem (dlg, IDC_KEYSIGN_NREV), SW_HIDE); |
401 |
twoaday |
41 |
if (!reg_prefs.gpg.ask_cert_level) |
402 |
|
|
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_ASKLEVEL), FALSE); |
403 |
twoaday |
181 |
if (!reg_prefs.gpg.ask_cert_expire) |
404 |
|
|
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPSIG), FALSE); |
405 |
twoaday |
328 |
if (key->ext && key->ext->attrib.len > 0) |
406 |
|
|
key_load_photo (key, buf, DIM(buf)-1, NULL); |
407 |
twoaday |
177 |
CheckDlgButton (dlg, IDC_KEYSIGN_HIDE, BST_CHECKED); |
408 |
werner |
36 |
SetForegroundWindow (dlg); |
409 |
twoaday |
328 |
SetFocus (GetDlgItem (dlg, IDOK)); |
410 |
werner |
36 |
return FALSE; |
411 |
|
|
|
412 |
twoaday |
328 |
case WM_DESTROY: |
413 |
|
|
balloon_msg_disable (); |
414 |
|
|
if (key->ext && key->ext->attrib.len > 0) { |
415 |
|
|
get_photo_tmpname (key->ctx, buf, DIM(buf)-1); |
416 |
|
|
DeleteFile (buf); |
417 |
|
|
} |
418 |
|
|
break; |
419 |
|
|
|
420 |
|
|
case WM_PAINT: |
421 |
|
|
if (key->ext != NULL && key->ext->attrib.len > 0) { |
422 |
|
|
POINT p; |
423 |
|
|
p.x = p.y = 0; |
424 |
|
|
get_photo_tmpname (key->ctx, buf, DIM (buf)-1); |
425 |
|
|
if (jpg_show (GetDlgItem (dlg, IDC_SHOWPHOTO_IMG), &p, buf)) |
426 |
|
|
EndDialog (dlg, TRUE); |
427 |
|
|
} |
428 |
|
|
break; |
429 |
|
|
|
430 |
werner |
36 |
case WM_COMMAND: |
431 |
twoaday |
177 |
if (HIWORD (wparam) == BN_CLICKED && |
432 |
|
|
LOWORD (wparam) == IDC_KEYSIGN_EXPSIG) { |
433 |
werner |
36 |
int enable = IsDlgButtonChecked (dlg, IDC_KEYSIGN_EXPSIG); |
434 |
twoaday |
328 |
EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), |
435 |
|
|
enable? TRUE : FALSE); |
436 |
werner |
36 |
} |
437 |
twoaday |
225 |
|
438 |
twoaday |
170 |
switch (LOWORD (wparam)) { |
439 |
werner |
36 |
case IDOK: |
440 |
twoaday |
328 |
balloon_msg_disable (); |
441 |
twoaday |
278 |
return on_click_ok (dlg, key); |
442 |
werner |
36 |
|
443 |
|
|
case IDCANCEL: |
444 |
|
|
EndDialog (dlg, FALSE); |
445 |
|
|
return TRUE; |
446 |
|
|
} |
447 |
|
|
break; |
448 |
|
|
} |
449 |
|
|
|
450 |
|
|
return FALSE; |
451 |
|
|
} |