/[winpt]/trunk/Src/wptClipEncryptDlg.cpp
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Contents of /trunk/Src/wptClipEncryptDlg.cpp

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Revision 68 - (show annotations)
Sat Nov 5 12:00:55 2005 UTC (19 years, 3 months ago) by twoaday
File size: 6544 byte(s)
More minor changes to avoid GCC warnings.


1 /* wptClipEncryptDlg.cpp - Clipboard encrypt dialog
2 * Copyright (C) 2000-2005 Timo Schulz
3 * Copyright (C) 2005 g10 Code GmbH
4 *
5 * This file is part of WinPT.
6 *
7 * WinPT is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * WinPT is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with WinPT; if not, write to the Free Software Foundation,
19 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
20 */
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #include <windows.h>
27 #include <commctrl.h>
28
29 #include "resource.h"
30 #include "wptTypes.h"
31 #include "wptW32API.h"
32 #include "wptVersion.h"
33 #include "wptErrors.h"
34 #include "wptCommonCtl.h"
35 #include "wptGPG.h"
36 #include "wptKeylist.h"
37 #include "wptNLS.h"
38 #include "wptContext.h" /* for passphrase_s */
39 #include "wptRegistry.h"
40 #include "wptDlgs.h"
41
42
43 /* Encrypt the contents of the clipboard with the keys in @rset.
44 If @always_trust is set, GPG is forced to trust any recipients.
45 The context is returned in @r_ctx.
46 Return value: 0 on success. */
47 gpgme_error_t
48 gpg_clip_encrypt (gpgme_key_t rset[], int always_trust, gpgme_ctx_t *r_ctx)
49 {
50 gpgme_error_t err;
51 gpgme_ctx_t ctx = NULL;
52 gpgme_data_t plain = NULL;
53 gpgme_data_t ciph = NULL;
54
55 err = gpgme_new (&ctx);
56 if (err)
57 return err;
58
59 gpgme_set_armor (ctx, 1);
60
61 err = gpg_data_new_from_clipboard (&plain, 0);
62 if (err)
63 goto leave;
64 err = gpgme_data_new (&ciph);
65 if (err)
66 goto leave;
67 err = gpgme_op_encrypt (ctx, rset,
68 always_trust?GPGME_ENCRYPT_ALWAYS_TRUST : (gpgme_encrypt_flags_t)0,
69 plain, ciph);
70 *r_ctx = ctx;
71 if (err)
72 goto leave;
73
74 gpg_data_release_and_set_clipboard (ciph, 1);
75 ciph = NULL;
76
77 leave:
78 if (ciph)
79 gpgme_data_release (ciph);
80 gpgme_data_release (plain);
81 return err;
82 }
83
84
85 /* Show all invalid recipients if possible. @dlg is the
86 handle to the calling dialog and @ctx is the context
87 used for encryption.
88 Return value: 0 if invalid recipients exist -1 otherwise. */
89 static int
90 show_invalid_recipients (HWND dlg, gpgme_ctx_t ctx)
91 {
92 gpgme_encrypt_result_t res;
93 gpgme_invalid_key_t k;
94 gpgme_key_t key;
95 size_t len=0;
96 char *p;
97
98 if (!ctx)
99 return -1;
100 res = gpgme_op_encrypt_result (ctx);
101 if (!res || !res->invalid_recipients)
102 return -1;
103
104 for (k=res->invalid_recipients; k; k = k->next) {
105 get_pubkey (k->fpr, &key);
106 len += (32 + 16 + strlen (key->uids->name) + 2) + 4;
107 }
108
109 p = (char *)calloc (1, len+64);
110 if (!p)
111 BUG (NULL);
112 strcpy (p, _("Recipients unsuable for encryption:\n"));
113 for (k = res->invalid_recipients; k; k = k->next) {
114 get_pubkey (k->fpr, &key);
115 strcat (p, key->subkeys->keyid+8);
116 strcat (p, " : ");
117 strcat (p, key->uids->name);
118 strcat (p, "\n");
119 }
120 msg_box (dlg, p, _("Encryption"), MB_ERR);
121 free (p);
122 return 0;
123 }
124
125
126 /* Dialog procedure for the clipboard encryption. */
127 BOOL CALLBACK
128 clip_encrypt_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
129 {
130 static listview_ctrl_t lv = NULL;
131 gpg_keycache_t kc;
132 gpgme_key_t *rset;
133 gpgme_ctx_t ctx=NULL;
134 gpgme_error_t err;
135 int force_trust = 0;
136 int kmode = reg_prefs.keylist_mode? KEYLIST_ENCRYPT_MIN : KEYLIST_ENCRYPT;
137 int n;
138
139 switch( msg ) {
140 case WM_INITDIALOG:
141 SetWindowText( dlg, _("Encryption") );
142 kc = keycache_get_ctx( KEYCACHE_PUB );
143 if( !kc )
144 BUG( NULL );
145 lv = keylist_load (GetDlgItem( dlg, IDC_ENCRYPT_KEYLIST ), kc, NULL,
146 kmode, KEY_SORT_USERID);
147 center_window( dlg, NULL );
148 SetForegroundWindow( dlg );
149 set_active_window( dlg );
150 return TRUE;
151
152 case WM_DESTROY:
153 reset_active_window( );
154 if( lv ) {
155 keylist_delete( lv );
156 lv = NULL;
157 }
158 return FALSE;
159
160 case WM_NOTIFY:
161 NMHDR *notify;
162
163 notify = (NMHDR *)lparam;
164 if (notify && notify->code == NM_DBLCLK &&
165 notify->idFrom == IDC_ENCRYPT_KEYLIST)
166 PostMessage( dlg, WM_COMMAND, MAKEWPARAM( IDOK, 0 ), 0);
167 if (notify && notify->code == LVN_COLUMNCLICK &&
168 notify->idFrom == IDC_ENCRYPT_KEYLIST ) {
169 NMLISTVIEW *p = (LPNMLISTVIEW) lparam;
170 int sortby = 0;
171
172 switch( p->iSubItem ) {
173 case 0: sortby = KEY_SORT_USERID; break;
174 case 1: sortby = KEY_SORT_KEYID; break;
175 case 2: sortby = KEY_SORT_LEN; break;
176 case 4: sortby = KEY_SORT_VALIDITY; break;
177 default: sortby = KEY_SORT_USERID; break;
178 }
179 keylist_sort( lv, sortby );
180 }
181 return TRUE;
182
183 case WM_SYSCOMMAND:
184 if( LOWORD( wparam ) == SC_CLOSE )
185 EndDialog( dlg, TRUE );
186 return FALSE;
187
188 case WM_COMMAND:
189 switch( LOWORD( wparam ) ) {
190 case IDOK:
191 rset = keylist_get_recipients (lv, &force_trust, &n);
192 if (!n) {
193 msg_box (dlg, _("You must select at least one key."), _("Encryption"), MB_ERR);
194 free (rset);
195 return FALSE;
196 }
197 err = gpg_clip_encrypt (rset, force_trust, &ctx);
198 if (err) {
199 if (show_invalid_recipients (dlg, ctx))
200 msg_box (dlg, gpgme_strerror (err), _("Encryption"), MB_ERR);
201 if (ctx)
202 gpgme_release (ctx);
203 free (rset);
204 return FALSE;
205 }
206 else
207 show_msg( dlg, 1500, _("GnuPG Status: Finished") );
208 free (rset);
209 gpgme_release (ctx);
210 EndDialog (dlg, TRUE);
211 return TRUE;
212
213 case IDCANCEL:
214 EndDialog( dlg, FALSE );
215 return FALSE;
216
217 case IDC_ENCRYPT_FNDCMD:
218 {
219 char tmpbuf[64];
220
221 n = GetDlgItemText (dlg, IDC_ENCRYPT_FIND, tmpbuf, DIM (tmpbuf)-1);
222 if (!n)
223 break;
224 n = listview_find (lv, tmpbuf);
225 if (n != -1) {
226 int oldpos = listview_get_curr_pos (lv);
227 listview_select_one (lv, n);
228 listview_scroll (lv, oldpos, n);
229 }
230 else
231 log_box (_("Encryption"), MB_ERR, _("No recipient found with '%s'"), tmpbuf);
232 break;
233 }
234 }
235 break;
236 }
237
238 return FALSE;
239 }
240

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