1 |
/* wptKeyserverDlg.cpp - Keyserver 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 |
#ifdef HAVE_CONFIG_H |
22 |
#include <config.h> |
23 |
#endif |
24 |
|
25 |
#include <windows.h> |
26 |
#include <commctrl.h> |
27 |
#include <malloc.h> |
28 |
|
29 |
#include "resource.h" |
30 |
#include "wptKeyserver.h" |
31 |
#include "wptErrors.h" |
32 |
#include "wptTypes.h" |
33 |
#include "wptCommonCtl.h" |
34 |
#include "wptNLS.h" |
35 |
#include "wptW32API.h" |
36 |
#include "wptVersion.h" |
37 |
#include "wptGPG.h" |
38 |
#include "wptKeyManager.h" |
39 |
#include "wptContext.h" /* for passphrase_s */ |
40 |
#include "wptDlgs.h" |
41 |
|
42 |
|
43 |
#define MAX_KEYSIZE 70000 |
44 |
|
45 |
char* get_reg_entry_keyserver (const char *); |
46 |
int set_reg_entry_keyserver (const char *, const char *); |
47 |
|
48 |
|
49 |
/* Print out keyserver error and a possible Winsock error. */ |
50 |
static void |
51 |
hkp_err_box (HWND dlg, const char *host, WORD port, int rc) |
52 |
{ |
53 |
const char *err = kserver_strerror (); |
54 |
|
55 |
log_box (_("Keyserver"), MB_ERR, "%s:%d: %s", |
56 |
host, port, winpt_strerror (rc)); |
57 |
if (err) |
58 |
msg_box (dlg, err, wsock_strerror (), MB_ERR); |
59 |
} |
60 |
|
61 |
|
62 |
/* Send the extracted key with keyid @pattern to the |
63 |
keyserver @kserver (port @port). |
64 |
Return value: 0 on success. */ |
65 |
int |
66 |
hkp_send_key (HWND dlg, const char *kserver, WORD port, const char *pattern) |
67 |
{ |
68 |
gpgme_ctx_t ctx; |
69 |
gpgme_data_t keydata; |
70 |
gpgme_error_t ec; |
71 |
char *rawkey = NULL; |
72 |
char msg[384]; |
73 |
size_t n; |
74 |
|
75 |
ec = gpgme_new (&ctx); |
76 |
if (ec) |
77 |
BUG (NULL); |
78 |
gpgme_set_armor (ctx, 1); |
79 |
ec = gpgme_data_new (&keydata); |
80 |
if (ec) |
81 |
BUG (NULL); |
82 |
ec = gpgme_op_export (ctx, pattern, 0, keydata); |
83 |
if (ec) { |
84 |
msg_box (dlg, gpgme_strerror (ec), _("Export"), MB_ERR); |
85 |
goto leave; |
86 |
} |
87 |
rawkey = gpgme_data_release_and_get_mem (keydata, &n); |
88 |
ec = kserver_sendkey (kserver, port, rawkey, n); |
89 |
if (ec) { |
90 |
hkp_err_box (dlg, kserver, port, ec); |
91 |
goto leave; |
92 |
} |
93 |
|
94 |
_snprintf (msg, sizeof (msg) -1, _("Key '%s' successfully sent"), pattern); |
95 |
status_box (dlg, msg, _("GnuPG status")); |
96 |
|
97 |
leave: |
98 |
gpgme_release (ctx); |
99 |
if (rawkey) |
100 |
gpgme_free (rawkey); |
101 |
return ec? -1 : 0; |
102 |
} |
103 |
|
104 |
|
105 |
/* Receive a key from the keyserver @kserver (port @port) |
106 |
with the pattern @pattern. |
107 |
Return value: 0 on success. */ |
108 |
int |
109 |
hkp_recv_key2 (HWND dlg, const char *kserver, WORD port, |
110 |
const char *pattern, int proto, int flags, |
111 |
char **r_fpr) |
112 |
{ |
113 |
gpgme_ctx_t ctx; |
114 |
gpgme_data_t keydata; |
115 |
gpgme_error_t ec; |
116 |
gpgme_import_result_t import_res = NULL; |
117 |
char *rawkey = NULL; |
118 |
char msg[384]; |
119 |
int rc; |
120 |
|
121 |
/* XXX: implement dynamic buffers. */ |
122 |
rawkey = new char[MAX_KEYSIZE]; |
123 |
if (!rawkey) |
124 |
BUG (0); |
125 |
memset (rawkey, 0, MAX_KEYSIZE); |
126 |
if (proto == KSPROTO_LDAP) { |
127 |
rc = ldap_recvkey (kserver, pattern, rawkey, MAX_KEYSIZE-1); |
128 |
if (rc) { |
129 |
msg_box (dlg, _("LDAP key import failed.\n" |
130 |
"Please make sure you have an online connection" |
131 |
" and gpgkeys_ldap.exe is installed"), |
132 |
_("Keyserver"), MB_ERR); |
133 |
free_if_alloc (rawkey); |
134 |
return rc; |
135 |
} |
136 |
} |
137 |
else if (proto == KSPROTO_FINGER) { |
138 |
rc = finger_recvkey (kserver, pattern, rawkey, MAX_KEYSIZE-1); |
139 |
if (rc) { |
140 |
log_box (_("Keyserver"), MB_ERR, |
141 |
_("Finger key import failed: %s\n"), winpt_strerror (rc)); |
142 |
free_if_alloc (rawkey); |
143 |
return rc; |
144 |
} |
145 |
} |
146 |
else if ((rc = kserver_recvkey (kserver, port, |
147 |
kserver_check_keyid (pattern), |
148 |
rawkey, MAX_KEYSIZE-1))) { |
149 |
hkp_err_box (dlg, kserver, port, rc); |
150 |
free_if_alloc (rawkey); |
151 |
return rc; |
152 |
} |
153 |
else { |
154 |
if (!strstr (rawkey, "BEGIN PGP PUBLIC KEY BLOCK")) { |
155 |
msg_box (dlg, _("This is not a valid OpenPGP key."), |
156 |
_("Keyserver"), MB_ERR); |
157 |
goto leave; |
158 |
} |
159 |
ec = gpgme_new (&ctx); |
160 |
if (ec) |
161 |
BUG (NULL); |
162 |
gpgme_data_new_from_mem (&keydata, rawkey, strlen (rawkey), 1); |
163 |
rc = gpgme_op_import (ctx, keydata); |
164 |
if (rc) { |
165 |
msg_box (dlg, gpgme_strerror ((gpgme_error_t)rc), _("Import"), MB_ERR); |
166 |
goto leave; |
167 |
} |
168 |
import_res = gpgme_op_import_result (ctx); |
169 |
if (r_fpr) |
170 |
*r_fpr = m_strdup (import_res->imports->fpr); |
171 |
} |
172 |
|
173 |
/* if we use the refresh mode, a lot of keys will be fetched and thus only |
174 |
a summarize at the end is presented and not for each key. */ |
175 |
if (!(flags & KM_KS_REFRESH)) { |
176 |
if (import_res && import_res->unchanged == 1) { |
177 |
_snprintf (msg, DIM (msg)-1, |
178 |
_("Key '%s' successfully received but nothing was changed."), pattern ); |
179 |
status_box (dlg, msg, _("GnuPG Status")); |
180 |
rc = WPTERR_GENERAL; |
181 |
goto leave; |
182 |
} |
183 |
_snprintf (msg, DIM (msg)-1, _("Key '%s' sucessfully received and imported."), pattern); |
184 |
status_box (dlg, msg, _("GnuPG Status")); |
185 |
} |
186 |
|
187 |
leave: |
188 |
free_if_alloc (rawkey); |
189 |
gpgme_release (ctx); |
190 |
gpgme_data_release (keydata); |
191 |
|
192 |
return rc; |
193 |
} |
194 |
|
195 |
|
196 |
/* Alias for hkp_recv_key2 but without the ability to return |
197 |
the fingerprint of the key. */ |
198 |
int |
199 |
hkp_recv_key (HWND dlg, const char *kserver, WORD port, |
200 |
const char *pattern, int proto, int flags) |
201 |
{ |
202 |
return hkp_recv_key2 (dlg, kserver, port, pattern, proto, flags, NULL); |
203 |
} |
204 |
|
205 |
|
206 |
#define my_iskeychar(a) (((a) >='0' && (a) <= '9' ) || ((a) >= 'A' && (a) <= 'F')) |
207 |
|
208 |
static int |
209 |
check_pattern (const char *pattern) |
210 |
{ |
211 |
int rc = 1; |
212 |
|
213 |
/* Whitespace are not allowed! */ |
214 |
if (strchr( pattern, ' ')) { |
215 |
rc = WPTERR_GENERAL; |
216 |
goto leave; |
217 |
} |
218 |
|
219 |
if (((strstr (pattern, "0x")) && (strlen (pattern) == 10)) || |
220 |
(strstr(pattern, "0x")) && (strlen (pattern) == 18)) { |
221 |
rc = 0; /* Either long or short keyid */ |
222 |
goto leave; |
223 |
} |
224 |
|
225 |
if( (( my_iskeychar( pattern[0] )) && ( strlen( pattern ) == 8 ) ) |
226 |
|| (my_iskeychar(pattern[0])) && ( strlen( pattern ) == 16) ) { |
227 |
rc = 0; |
228 |
goto leave; |
229 |
} |
230 |
|
231 |
if( ( strchr( pattern, '@' ) ) && ( strlen( pattern ) >= 3 ) ) { |
232 |
rc = 0; |
233 |
goto leave; |
234 |
} |
235 |
|
236 |
leave: |
237 |
return rc; |
238 |
} /* check_pattern */ |
239 |
|
240 |
|
241 |
static void |
242 |
set_proxy (HWND dlg) |
243 |
{ |
244 |
char proxy[256]; |
245 |
int port = 0; |
246 |
|
247 |
strcpy (proxy, "HTTP proxy: "); |
248 |
if (kserver_get_proxy (&port)) { |
249 |
char t[128]; |
250 |
const char *http = kserver_get_proxy (&port); |
251 |
_snprintf (t, sizeof (t) - 1, "\"%s:%d\"", http, port); |
252 |
strcat (proxy, t); |
253 |
} |
254 |
else |
255 |
strcat (proxy, "none"); |
256 |
SetDlgItemText (dlg, IDC_KEYSERVER_PROXY, proxy); |
257 |
} /* set_proxy */ |
258 |
|
259 |
|
260 |
static int inline |
261 |
kserver_get_pos (listview_ctrl_t lv) |
262 |
{ |
263 |
if (listview_count_items (lv, 0) == 1) |
264 |
return 0; |
265 |
return listview_get_curr_pos (lv); |
266 |
} |
267 |
|
268 |
|
269 |
static u16 inline |
270 |
kserver_get_port (listview_ctrl_t lv) |
271 |
{ |
272 |
char buf[16]; |
273 |
|
274 |
listview_get_item_text (lv, kserver_get_pos (lv), 3, buf, 15); |
275 |
return (u16)strtoul (buf, NULL, 10); |
276 |
} |
277 |
|
278 |
static void |
279 |
load_default_ks (listview_ctrl_t lv) |
280 |
{ |
281 |
char * p, buf[192]; |
282 |
int i; |
283 |
|
284 |
p = get_reg_entry_keyserver ("Default"); |
285 |
if (!p) |
286 |
return; |
287 |
for( i = 0; i < listview_count_items( lv, 0 ); i++ ) { |
288 |
listview_get_item_text( lv, i, 0, buf, sizeof (buf)-1 ); |
289 |
if( !strncmp( p, buf, strlen( p ) ) ) { |
290 |
listview_add_sub_item( lv, i, 2, "x" ); |
291 |
break; |
292 |
} |
293 |
} |
294 |
free_if_alloc (p); |
295 |
} /* load_default_ks */ |
296 |
|
297 |
|
298 |
static int |
299 |
save_default_ks (listview_ctrl_t lv) |
300 |
{ |
301 |
char buf[192], port[32]; |
302 |
int idx, i; |
303 |
|
304 |
idx = listview_get_curr_pos( lv ); |
305 |
if( idx == -1 ) { |
306 |
msg_box( NULL, _("Please select one of the servers."), _("Keyserver"), MB_ERR ); |
307 |
return -1; |
308 |
} |
309 |
listview_get_item_text( lv, idx, 1, buf, sizeof (buf)-1 ); |
310 |
if( *buf != 'H' ) { |
311 |
msg_box( NULL, _("Only HTTP keyserver can be used."), _("Keyserver"), MB_ERR ); |
312 |
return -1; |
313 |
} |
314 |
for (i = 0; i < listview_count_items( lv, 0 ); i++) |
315 |
listview_add_sub_item (lv, i, 2, ""); |
316 |
listview_add_sub_item (lv, idx, 2, "x"); |
317 |
listview_get_item_text (lv, idx, 0, buf, sizeof (buf)-1); |
318 |
set_reg_entry_keyserver ("Default", buf); |
319 |
i = kserver_get_port (lv); |
320 |
sprintf (port, "%d", i); |
321 |
set_reg_entry_keyserver ("Default_Port", port); |
322 |
keyserver_set_default (buf, (u16)i); |
323 |
return 0; |
324 |
} /* save_default_ks */ |
325 |
|
326 |
|
327 |
int |
328 |
keyserver_list_build (listview_ctrl_t *r_lv, HWND hwnd) |
329 |
{ |
330 |
struct listview_column_s keyserver[] = { |
331 |
{0, 160, (char *)_("DNS Name")}, |
332 |
{1, 52, (char *)_("Protocol")}, |
333 |
{2, 46, (char *)_("Default")}, |
334 |
{3, 46, (char *)_("Port")}, |
335 |
{0, 0, NULL} |
336 |
}; |
337 |
listview_ctrl_t lv; |
338 |
char buf[32]; |
339 |
int j; |
340 |
|
341 |
listview_new (&lv); |
342 |
lv->ctrl = hwnd; |
343 |
for (j=0; keyserver[j].fieldname; j++) |
344 |
listview_add_column (lv, &keyserver[j]); |
345 |
for (j = 0; j<MAX_KEYSERVERS; j++) { |
346 |
if (!server[j].used) |
347 |
continue; |
348 |
listview_add_item (lv, " "); |
349 |
listview_add_sub_item (lv, 0, 0, server[j].name); |
350 |
switch (server[j].proto) { |
351 |
case KSPROTO_HTTP: |
352 |
listview_add_sub_item( lv, 0, 1, "H" ); break; |
353 |
case KSPROTO_LDAP: |
354 |
listview_add_sub_item( lv, 0, 1, "L" ); break; |
355 |
case KSPROTO_FINGER: |
356 |
listview_add_sub_item( lv, 0, 1, "F" ); break; |
357 |
} |
358 |
sprintf (buf, "%d", server[j].port); |
359 |
listview_add_sub_item (lv, 0, 3, buf); |
360 |
} |
361 |
load_default_ks (lv); |
362 |
if (listview_count_items (lv, 0) == 0) { |
363 |
listview_add_item (lv, ""); |
364 |
listview_add_sub_item (lv, 0, 0, DEF_HKP_KEYSERVER); |
365 |
listview_add_sub_item (lv, 0, 1, "H"); |
366 |
} |
367 |
listview_set_ext_style (lv); |
368 |
*r_lv = lv; |
369 |
return 0; |
370 |
} |
371 |
|
372 |
|
373 |
/* Dialog box procedure to access keyservers. */ |
374 |
BOOL CALLBACK |
375 |
keyserver_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam) |
376 |
{ |
377 |
static listview_ctrl_t lv = NULL; |
378 |
static int lv_idx = 0; |
379 |
static struct genkey_s *key; |
380 |
keyserver_ctx ksc; |
381 |
char kserver[128], pattern[128]; |
382 |
char proto[16]; |
383 |
int rc, proto_nr = 0; |
384 |
|
385 |
switch (msg) { |
386 |
case WM_INITDIALOG: |
387 |
if (lparam != 0) |
388 |
key = (struct genkey_s*)lparam; |
389 |
SetWindowText (dlg, _("Keyserver Access")); |
390 |
SetDlgItemText (dlg, IDC_KEYSERVER_RECV, _("&Receive")); |
391 |
SetDlgItemText (dlg, IDC_KEYSERVER_SEND, |
392 |
_("Send key (default is receiving)")); |
393 |
SetDlgItemText (dlg, IDC_KEYSERVER_INFO, |
394 |
_("Please enter the key ID or email address you search for")); |
395 |
SetDlgItemText (dlg, IDC_KEYSERVER_INDEX, _("&Search")); |
396 |
SetDlgItemText (dlg, IDC_KEYSERVER_PROXSETT, _("C&hange")); |
397 |
SetDlgItemText (dlg, IDC_KEYSERVER_DEFAULT, _("Set &default")); |
398 |
SetDlgItemText (dlg, IDCANCEL, _("&Cancel")); |
399 |
|
400 |
set_proxy (dlg); |
401 |
keyserver_list_build (&lv, GetDlgItem (dlg, IDC_KEYSERVER_LIST)); |
402 |
center_window (dlg, NULL); |
403 |
SetForegroundWindow (dlg); |
404 |
return TRUE; |
405 |
|
406 |
case WM_NOTIFY: |
407 |
NMHDR *notify; |
408 |
notify = (NMHDR *)lparam; |
409 |
if (notify && notify->code == NM_CLICK |
410 |
&& notify->idFrom == IDC_KEYSERVER_LIST) |
411 |
lv_idx = listview_get_curr_pos (lv); |
412 |
return TRUE; |
413 |
|
414 |
case WM_DESTROY: |
415 |
if (lv) { |
416 |
listview_release (lv); |
417 |
lv = NULL; |
418 |
} |
419 |
lv_idx = 0; |
420 |
return FALSE; |
421 |
|
422 |
case WM_SYSCOMMAND: |
423 |
if (LOWORD (wparam) == SC_CLOSE) |
424 |
EndDialog (dlg, TRUE); |
425 |
return FALSE; |
426 |
|
427 |
case WM_COMMAND: |
428 |
switch (LOWORD (wparam)) { |
429 |
case IDC_KEYSERVER_PROXSETT: |
430 |
dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYSERVER_PROXY, |
431 |
dlg, keyserver_proxy_dlg_proc, 0, |
432 |
_("Proxy Settings"), IDS_WINPT_KEYSERVER_PROXY); |
433 |
set_proxy (dlg); |
434 |
return TRUE; |
435 |
|
436 |
case IDC_KEYSERVER_INDEX: |
437 |
if (!lv_idx) { |
438 |
lv_idx = kserver_get_pos (lv); |
439 |
if (lv_idx == -1) { |
440 |
msg_box (dlg, _("Please select one of the keyservers."), |
441 |
_("Keyserver"), MB_INFO); |
442 |
return FALSE; |
443 |
} |
444 |
} |
445 |
listview_get_item_text (lv, lv_idx, 1, proto, sizeof (proto)-1); |
446 |
if (*proto == 'L') { |
447 |
msg_box (dlg, _("This is not implemented yet!"), |
448 |
_("Keyserver"), MB_ERR); |
449 |
return FALSE; |
450 |
} |
451 |
listview_get_item_text (lv, lv_idx, 0, kserver, sizeof (kserver)-1); |
452 |
if (!GetDlgItemText (dlg, IDC_KEYSERVER_SEARCH, pattern, sizeof (pattern)-1)) { |
453 |
msg_box (dlg, _("Please enter the search pattern."), |
454 |
_("Keyserver"), MB_INFO); |
455 |
return FALSE; |
456 |
} |
457 |
ksc.name = kserver; |
458 |
ksc.pattern = pattern; |
459 |
ksc.port = kserver_get_port (lv); |
460 |
DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_HKPSEARCH, dlg, |
461 |
hkpsearch_dlg_proc, (LPARAM) &ksc); |
462 |
return TRUE; |
463 |
|
464 |
case IDC_KEYSERVER_RECV: |
465 |
memset (&kserver, 0, sizeof (kserver)); |
466 |
if (!lv_idx) { |
467 |
lv_idx = kserver_get_pos (lv); |
468 |
if (lv_idx == -1) { |
469 |
msg_box (dlg, _("Please select one of the keyservers."), |
470 |
_("Keyserver"), MB_INFO); |
471 |
return FALSE; |
472 |
} |
473 |
} |
474 |
listview_get_item_text( lv, lv_idx, 1, proto, sizeof (proto)-1 ); |
475 |
proto_nr = KSPROTO_HTTP; |
476 |
if (*proto == 'L') |
477 |
proto_nr = KSPROTO_LDAP; |
478 |
else if (*proto == 'F') |
479 |
proto_nr = KSPROTO_FINGER; |
480 |
listview_get_item_text (lv, lv_idx, 0, kserver, sizeof (kserver)-1); |
481 |
if( !GetDlgItemText( dlg, IDC_KEYSERVER_SEARCH, pattern, sizeof (pattern)-1)) { |
482 |
msg_box (dlg, _("Please enter the search pattern."), |
483 |
_("Keyserver"), MB_INFO); |
484 |
return FALSE; |
485 |
} |
486 |
if (proto_nr == KSPROTO_LDAP && strchr (pattern, '@')) { |
487 |
msg_box (dlg, _("Only keyids are allowed."), _("LDAP Keyserver"), MB_INFO); |
488 |
return FALSE; |
489 |
} |
490 |
else if (proto_nr == KSPROTO_FINGER) { |
491 |
if (strchr (pattern, '@') || strchr (pattern, ' ')) { |
492 |
msg_box (dlg, _("Only enter the name of the user."), |
493 |
_("FINGER Keyserver"), MB_INFO); |
494 |
return FALSE; |
495 |
} |
496 |
} |
497 |
else if (check_pattern (pattern)) { |
498 |
msg_box (dlg, _("Only email addresses or keyids are allowed."), |
499 |
_("HKP Keyserver"), MB_INFO); |
500 |
return FALSE; |
501 |
} |
502 |
rc = hkp_recv_key2 (dlg, kserver, kserver_get_port (lv), |
503 |
pattern, proto_nr, 0, key? &key->fpr : NULL); |
504 |
if (!rc && key->fpr != NULL) { |
505 |
keycache_update (0, key->fpr); |
506 |
get_pubkey (key->fpr, &key->newkey); |
507 |
/* we do not need the fingerprint any longer. */ |
508 |
free_if_alloc (key->fpr); |
509 |
} |
510 |
return TRUE; |
511 |
|
512 |
case IDC_KEYSERVER_DEFAULT: |
513 |
save_default_ks (lv); |
514 |
break; |
515 |
|
516 |
case IDCANCEL: |
517 |
EndDialog (dlg, FALSE); |
518 |
return FALSE; |
519 |
} |
520 |
break; |
521 |
} |
522 |
|
523 |
return FALSE; |
524 |
} |