6e522441 |
1 | /* |
f4ff9455 |
2 | * PuTTY key generation front end (Windows). |
6e522441 |
3 | */ |
4 | |
6e522441 |
5 | #include <time.h> |
6e522441 |
6 | #include <stdio.h> |
49bad831 |
7 | #include <stdlib.h> |
6e522441 |
8 | |
9 | #define PUTTY_DO_GLOBALS |
10 | |
11 | #include "putty.h" |
12 | #include "ssh.h" |
7440fd44 |
13 | |
14 | #include <commctrl.h> |
6e522441 |
15 | |
336ec53c |
16 | #ifdef MSVC4 |
17 | #define ICON_BIG 1 |
18 | #endif |
19 | |
6e522441 |
20 | #define WM_DONEKEY (WM_XUSER + 1) |
21 | |
0c2986d0 |
22 | #define DEFAULT_KEYSIZE 1024 |
6e522441 |
23 | |
0906628e |
24 | static int requested_help; |
25 | |
1a418691 |
26 | static char *cmdline_keyfile = NULL; |
27 | |
1709795f |
28 | /* |
29 | * Print a modal (Really Bad) message box and perform a fatal exit. |
30 | */ |
31 | void modalfatalbox(char *fmt, ...) |
32 | { |
33 | va_list ap; |
57356d63 |
34 | char *stuff; |
1709795f |
35 | |
36 | va_start(ap, fmt); |
57356d63 |
37 | stuff = dupvprintf(fmt, ap); |
1709795f |
38 | va_end(ap); |
39 | MessageBox(NULL, stuff, "PuTTYgen Fatal Error", |
40 | MB_SYSTEMMODAL | MB_ICONERROR | MB_OK); |
57356d63 |
41 | sfree(stuff); |
1709795f |
42 | exit(1); |
43 | } |
44 | |
6e522441 |
45 | /* ---------------------------------------------------------------------- |
46 | * Progress report code. This is really horrible :-) |
47 | */ |
5c72ca61 |
48 | #define PROGRESSRANGE 65535 |
49 | #define MAXPHASE 5 |
6e522441 |
50 | struct progress { |
5c72ca61 |
51 | int nphases; |
52 | struct { |
53 | int exponential; |
54 | unsigned startpoint, total; |
55 | unsigned param, current, n; /* if exponential */ |
56 | unsigned mult; /* if linear */ |
57 | } phases[MAXPHASE]; |
58 | unsigned total, divisor, range; |
6e522441 |
59 | HWND progbar; |
60 | }; |
61 | |
5c72ca61 |
62 | static void progress_update(void *param, int action, int phase, int iprogress) |
32874aea |
63 | { |
64 | struct progress *p = (struct progress *) param; |
6e522441 |
65 | unsigned progress = iprogress; |
66 | int position; |
67 | |
5c72ca61 |
68 | if (action < PROGFN_READY && p->nphases < phase) |
69 | p->nphases = phase; |
70 | switch (action) { |
7c7f6893 |
71 | case PROGFN_INITIALISE: |
72 | p->nphases = 0; |
73 | break; |
5c72ca61 |
74 | case PROGFN_LIN_PHASE: |
75 | p->phases[phase-1].exponential = 0; |
76 | p->phases[phase-1].mult = p->phases[phase].total / progress; |
77 | break; |
78 | case PROGFN_EXP_PHASE: |
79 | p->phases[phase-1].exponential = 1; |
80 | p->phases[phase-1].param = 0x10000 + progress; |
81 | p->phases[phase-1].current = p->phases[phase-1].total; |
82 | p->phases[phase-1].n = 0; |
32874aea |
83 | break; |
5c72ca61 |
84 | case PROGFN_PHASE_EXTENT: |
85 | p->phases[phase-1].total = progress; |
86 | break; |
87 | case PROGFN_READY: |
88 | { |
89 | unsigned total = 0; |
90 | int i; |
91 | for (i = 0; i < p->nphases; i++) { |
92 | p->phases[i].startpoint = total; |
93 | total += p->phases[i].total; |
94 | } |
95 | p->total = total; |
96 | p->divisor = ((p->total + PROGRESSRANGE - 1) / PROGRESSRANGE); |
97 | p->range = p->total / p->divisor; |
98 | SendMessage(p->progbar, PBM_SETRANGE, 0, MAKELPARAM(0, p->range)); |
32874aea |
99 | } |
32874aea |
100 | break; |
5c72ca61 |
101 | case PROGFN_PROGRESS: |
102 | if (p->phases[phase-1].exponential) { |
103 | while (p->phases[phase-1].n < progress) { |
104 | p->phases[phase-1].n++; |
105 | p->phases[phase-1].current *= p->phases[phase-1].param; |
106 | p->phases[phase-1].current /= 0x10000; |
107 | } |
108 | position = (p->phases[phase-1].startpoint + |
109 | p->phases[phase-1].total - p->phases[phase-1].current); |
110 | } else { |
111 | position = (p->phases[phase-1].startpoint + |
112 | progress * p->phases[phase-1].mult); |
113 | } |
114 | SendMessage(p->progbar, PBM_SETPOS, position / p->divisor, 0); |
32874aea |
115 | break; |
6e522441 |
116 | } |
6e522441 |
117 | } |
118 | |
119 | extern char ver[]; |
120 | |
121 | #define PASSPHRASE_MAXLEN 512 |
122 | |
123 | struct PassphraseProcStruct { |
124 | char *passphrase; |
125 | char *comment; |
126 | }; |
127 | |
128 | /* |
129 | * Dialog-box function for the passphrase box. |
130 | */ |
131 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
32874aea |
132 | WPARAM wParam, LPARAM lParam) |
133 | { |
8e1feb27 |
134 | static char *passphrase = NULL; |
6e522441 |
135 | struct PassphraseProcStruct *p; |
136 | |
137 | switch (msg) { |
138 | case WM_INITDIALOG: |
32874aea |
139 | SetForegroundWindow(hwnd); |
140 | SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, |
141 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
65a22376 |
142 | |
143 | /* |
144 | * Centre the window. |
145 | */ |
146 | { /* centre the window */ |
147 | RECT rs, rd; |
148 | HWND hw; |
149 | |
150 | hw = GetDesktopWindow(); |
32874aea |
151 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
152 | MoveWindow(hwnd, |
153 | (rs.right + rs.left + rd.left - rd.right) / 2, |
154 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
155 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
65a22376 |
156 | } |
157 | |
32874aea |
158 | p = (struct PassphraseProcStruct *) lParam; |
159 | passphrase = p->passphrase; |
160 | if (p->comment) |
161 | SetDlgItemText(hwnd, 101, p->comment); |
162 | *passphrase = 0; |
163 | SetDlgItemText(hwnd, 102, passphrase); |
164 | return 0; |
6e522441 |
165 | case WM_COMMAND: |
166 | switch (LOWORD(wParam)) { |
167 | case IDOK: |
168 | if (*passphrase) |
32874aea |
169 | EndDialog(hwnd, 1); |
6e522441 |
170 | else |
32874aea |
171 | MessageBeep(0); |
6e522441 |
172 | return 0; |
173 | case IDCANCEL: |
32874aea |
174 | EndDialog(hwnd, 0); |
6e522441 |
175 | return 0; |
32874aea |
176 | case 102: /* edit box */ |
8e1feb27 |
177 | if ((HIWORD(wParam) == EN_CHANGE) && passphrase) { |
32874aea |
178 | GetDlgItemText(hwnd, 102, passphrase, |
179 | PASSPHRASE_MAXLEN - 1); |
180 | passphrase[PASSPHRASE_MAXLEN - 1] = '\0'; |
181 | } |
182 | return 0; |
6e522441 |
183 | } |
184 | return 0; |
185 | case WM_CLOSE: |
32874aea |
186 | EndDialog(hwnd, 0); |
6e522441 |
187 | return 0; |
188 | } |
189 | return 0; |
190 | } |
191 | |
192 | /* |
193 | * Prompt for a key file. Assumes the filename buffer is of size |
194 | * FILENAME_MAX. |
195 | */ |
196 | static int prompt_keyfile(HWND hwnd, char *dlgtitle, |
06980e9d |
197 | char *filename, int save, int ppk) |
32874aea |
198 | { |
6e522441 |
199 | OPENFILENAME of; |
200 | memset(&of, 0, sizeof(of)); |
201 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
202 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
203 | #else |
204 | of.lStructSize = sizeof(of); |
205 | #endif |
206 | of.hwndOwner = hwnd; |
06980e9d |
207 | if (ppk) { |
b1ccd98e |
208 | of.lpstrFilter = "PuTTY Private Key Files (*.ppk)\0*.ppk\0" |
209 | "All Files (*.*)\0*\0\0\0"; |
06980e9d |
210 | of.lpstrDefExt = ".ppk"; |
211 | } else { |
b1ccd98e |
212 | of.lpstrFilter = "All Files (*.*)\0*\0\0\0"; |
06980e9d |
213 | } |
6e522441 |
214 | of.lpstrCustomFilter = NULL; |
215 | of.nFilterIndex = 1; |
32874aea |
216 | of.lpstrFile = filename; |
217 | *filename = '\0'; |
6e522441 |
218 | of.nMaxFile = FILENAME_MAX; |
219 | of.lpstrFileTitle = NULL; |
220 | of.lpstrInitialDir = NULL; |
221 | of.lpstrTitle = dlgtitle; |
222 | of.Flags = 0; |
223 | if (save) |
32874aea |
224 | return GetSaveFileName(&of); |
6e522441 |
225 | else |
32874aea |
226 | return GetOpenFileName(&of); |
6e522441 |
227 | } |
228 | |
229 | /* |
6e522441 |
230 | * Dialog-box function for the Licence box. |
231 | */ |
32874aea |
232 | static int CALLBACK LicenceProc(HWND hwnd, UINT msg, |
233 | WPARAM wParam, LPARAM lParam) |
234 | { |
6e522441 |
235 | switch (msg) { |
236 | case WM_INITDIALOG: |
65a22376 |
237 | /* |
238 | * Centre the window. |
239 | */ |
240 | { /* centre the window */ |
241 | RECT rs, rd; |
242 | HWND hw; |
243 | |
244 | hw = GetDesktopWindow(); |
32874aea |
245 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
246 | MoveWindow(hwnd, |
247 | (rs.right + rs.left + rd.left - rd.right) / 2, |
248 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
249 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
65a22376 |
250 | } |
251 | |
6e522441 |
252 | return 1; |
253 | case WM_COMMAND: |
254 | switch (LOWORD(wParam)) { |
255 | case IDOK: |
c4c04fac |
256 | case IDCANCEL: |
32874aea |
257 | EndDialog(hwnd, 1); |
6e522441 |
258 | return 0; |
259 | } |
260 | return 0; |
261 | case WM_CLOSE: |
262 | EndDialog(hwnd, 1); |
263 | return 0; |
264 | } |
265 | return 0; |
266 | } |
267 | |
268 | /* |
269 | * Dialog-box function for the About box. |
270 | */ |
32874aea |
271 | static int CALLBACK AboutProc(HWND hwnd, UINT msg, |
272 | WPARAM wParam, LPARAM lParam) |
273 | { |
6e522441 |
274 | switch (msg) { |
275 | case WM_INITDIALOG: |
65a22376 |
276 | /* |
277 | * Centre the window. |
278 | */ |
279 | { /* centre the window */ |
280 | RECT rs, rd; |
281 | HWND hw; |
282 | |
283 | hw = GetDesktopWindow(); |
32874aea |
284 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
285 | MoveWindow(hwnd, |
286 | (rs.right + rs.left + rd.left - rd.right) / 2, |
287 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
288 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
65a22376 |
289 | } |
290 | |
32874aea |
291 | SetDlgItemText(hwnd, 100, ver); |
6e522441 |
292 | return 1; |
293 | case WM_COMMAND: |
294 | switch (LOWORD(wParam)) { |
295 | case IDOK: |
c4c04fac |
296 | case IDCANCEL: |
32874aea |
297 | EndDialog(hwnd, 1); |
6e522441 |
298 | return 0; |
299 | case 101: |
300 | EnableWindow(hwnd, 0); |
cd9778e2 |
301 | DialogBox(hinst, MAKEINTRESOURCE(214), hwnd, LicenceProc); |
6e522441 |
302 | EnableWindow(hwnd, 1); |
32874aea |
303 | SetActiveWindow(hwnd); |
6e522441 |
304 | return 0; |
305 | } |
306 | return 0; |
307 | case WM_CLOSE: |
32874aea |
308 | EndDialog(hwnd, 1); |
6e522441 |
309 | return 0; |
310 | } |
311 | return 0; |
312 | } |
313 | |
314 | /* |
315 | * Thread to generate a key. |
316 | */ |
317 | struct rsa_key_thread_params { |
32874aea |
318 | HWND progressbar; /* notify this with progress */ |
319 | HWND dialog; /* notify this on completion */ |
0c2986d0 |
320 | int keysize; /* bits in key */ |
5c72ca61 |
321 | int is_dsa; |
6e522441 |
322 | struct RSAKey *key; |
5c72ca61 |
323 | struct dss_key *dsskey; |
6e522441 |
324 | }; |
32874aea |
325 | static DWORD WINAPI generate_rsa_key_thread(void *param) |
326 | { |
6e522441 |
327 | struct rsa_key_thread_params *params = |
32874aea |
328 | (struct rsa_key_thread_params *) param; |
6e522441 |
329 | struct progress prog; |
330 | prog.progbar = params->progressbar; |
331 | |
7c7f6893 |
332 | progress_update(&prog, PROGFN_INITIALISE, 0, 0); |
333 | |
5c72ca61 |
334 | if (params->is_dsa) |
335 | dsa_generate(params->dsskey, params->keysize, progress_update, &prog); |
336 | else |
337 | rsa_generate(params->key, params->keysize, progress_update, &prog); |
6e522441 |
338 | |
339 | PostMessage(params->dialog, WM_DONEKEY, 0, 0); |
340 | |
dcbde236 |
341 | sfree(params); |
6e522441 |
342 | return 0; |
343 | } |
344 | |
345 | struct MainDlgState { |
346 | int collecting_entropy; |
347 | int generation_thread_exists; |
348 | int key_exists; |
349 | int entropy_got, entropy_required, entropy_size; |
0c2986d0 |
350 | int keysize; |
5c72ca61 |
351 | int ssh2, is_dsa; |
65a22376 |
352 | char **commentptr; /* points to key.comment or ssh2key.comment */ |
353 | struct ssh2_userkey ssh2key; |
6e522441 |
354 | unsigned *entropy; |
355 | struct RSAKey key; |
5c72ca61 |
356 | struct dss_key dsskey; |
b723338c |
357 | HMENU filemenu, keymenu, cvtmenu; |
6e522441 |
358 | }; |
359 | |
32874aea |
360 | static void hidemany(HWND hwnd, const int *ids, int hideit) |
361 | { |
6e522441 |
362 | while (*ids) { |
32874aea |
363 | ShowWindow(GetDlgItem(hwnd, *ids++), (hideit ? SW_HIDE : SW_SHOW)); |
6e522441 |
364 | } |
365 | } |
366 | |
af282e3b |
367 | static void setupbigedit1(HWND hwnd, int id, int idstatic, struct RSAKey *key) |
32874aea |
368 | { |
6e522441 |
369 | char *buffer; |
370 | char *dec1, *dec2; |
371 | |
372 | dec1 = bignum_decimal(key->exponent); |
373 | dec2 = bignum_decimal(key->modulus); |
57356d63 |
374 | buffer = dupprintf("%d %s %s %s", bignum_bitcount(key->modulus), |
375 | dec1, dec2, key->comment); |
6e522441 |
376 | SetDlgItemText(hwnd, id, buffer); |
af282e3b |
377 | SetDlgItemText(hwnd, idstatic, |
378 | "&Public key for pasting into authorized_keys file:"); |
dcbde236 |
379 | sfree(dec1); |
380 | sfree(dec2); |
381 | sfree(buffer); |
6e522441 |
382 | } |
383 | |
af282e3b |
384 | static void setupbigedit2(HWND hwnd, int id, int idstatic, |
385 | struct ssh2_userkey *key) |
32874aea |
386 | { |
65a22376 |
387 | unsigned char *pub_blob; |
388 | char *buffer, *p; |
44fb739e |
389 | int pub_len; |
65a22376 |
390 | int i; |
391 | |
392 | pub_blob = key->alg->public_blob(key->data, &pub_len); |
3d88e64d |
393 | buffer = snewn(strlen(key->alg->name) + 4 * ((pub_len + 2) / 3) + |
394 | strlen(key->comment) + 3, char); |
65a22376 |
395 | strcpy(buffer, key->alg->name); |
396 | p = buffer + strlen(buffer); |
397 | *p++ = ' '; |
398 | i = 0; |
399 | while (i < pub_len) { |
32874aea |
400 | int n = (pub_len - i < 3 ? pub_len - i : 3); |
401 | base64_encode_atom(pub_blob + i, n, p); |
65a22376 |
402 | i += n; |
403 | p += 4; |
404 | } |
405 | *p++ = ' '; |
406 | strcpy(p, key->comment); |
407 | SetDlgItemText(hwnd, id, buffer); |
af282e3b |
408 | SetDlgItemText(hwnd, idstatic, "&Public key for pasting into " |
eecca84d |
409 | "OpenSSH authorized_keys file:"); |
65a22376 |
410 | sfree(pub_blob); |
32874aea |
411 | sfree(buffer); |
65a22376 |
412 | } |
413 | |
af282e3b |
414 | static int save_ssh1_pubkey(char *filename, struct RSAKey *key) |
415 | { |
416 | char *dec1, *dec2; |
417 | FILE *fp; |
418 | |
419 | dec1 = bignum_decimal(key->exponent); |
420 | dec2 = bignum_decimal(key->modulus); |
421 | fp = fopen(filename, "wb"); |
422 | if (!fp) |
423 | return 0; |
424 | fprintf(fp, "%d %s %s %s\n", |
425 | bignum_bitcount(key->modulus), dec1, dec2, key->comment); |
426 | fclose(fp); |
427 | sfree(dec1); |
428 | sfree(dec2); |
429 | return 1; |
430 | } |
431 | |
7bedb13c |
432 | /* |
433 | * Warn about the obsolescent key file format. |
434 | */ |
435 | void old_keyfile_warning(void) |
436 | { |
437 | static const char mbtitle[] = "PuTTY Key File Warning"; |
438 | static const char message[] = |
439 | "You are loading an SSH 2 private key which has an\n" |
440 | "old version of the file format. This means your key\n" |
441 | "file is not fully tamperproof. Future versions of\n" |
442 | "PuTTY may stop supporting this private key format,\n" |
443 | "so we recommend you convert your key to the new\n" |
444 | "format.\n" |
445 | "\n" |
446 | "Once the key is loaded into PuTTYgen, you can perform\n" |
447 | "this conversion simply by saving it again."; |
448 | |
449 | MessageBox(NULL, message, mbtitle, MB_OK); |
450 | } |
451 | |
af282e3b |
452 | static int save_ssh2_pubkey(char *filename, struct ssh2_userkey *key) |
453 | { |
454 | unsigned char *pub_blob; |
455 | char *p; |
456 | int pub_len; |
457 | int i, column; |
458 | FILE *fp; |
459 | |
460 | pub_blob = key->alg->public_blob(key->data, &pub_len); |
461 | |
462 | fp = fopen(filename, "wb"); |
463 | if (!fp) |
464 | return 0; |
465 | |
466 | fprintf(fp, "---- BEGIN SSH2 PUBLIC KEY ----\n"); |
467 | |
468 | fprintf(fp, "Comment: \""); |
469 | for (p = key->comment; *p; p++) { |
470 | if (*p == '\\' || *p == '\"') |
471 | fputc('\\', fp); |
472 | fputc(*p, fp); |
473 | } |
474 | fprintf(fp, "\"\n"); |
475 | |
476 | i = 0; |
477 | column = 0; |
478 | while (i < pub_len) { |
479 | char buf[5]; |
480 | int n = (pub_len - i < 3 ? pub_len - i : 3); |
481 | base64_encode_atom(pub_blob + i, n, buf); |
482 | i += n; |
483 | buf[4] = '\0'; |
484 | fputs(buf, fp); |
485 | if (++column >= 16) { |
486 | fputc('\n', fp); |
487 | column = 0; |
488 | } |
489 | } |
490 | if (column > 0) |
491 | fputc('\n', fp); |
492 | |
493 | fprintf(fp, "---- END SSH2 PUBLIC KEY ----\n"); |
494 | fclose(fp); |
495 | sfree(pub_blob); |
496 | return 1; |
497 | } |
498 | |
9d07b2db |
499 | enum { |
500 | controlidstart = 100, |
501 | IDC_QUIT, |
502 | IDC_TITLE, |
503 | IDC_BOX_KEY, |
504 | IDC_NOKEY, |
505 | IDC_GENERATING, |
506 | IDC_PROGRESS, |
507 | IDC_PKSTATIC, IDC_KEYDISPLAY, |
508 | IDC_FPSTATIC, IDC_FINGERPRINT, |
509 | IDC_COMMENTSTATIC, IDC_COMMENTEDIT, |
510 | IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT, |
511 | IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, |
512 | IDC_BOX_ACTIONS, |
513 | IDC_GENSTATIC, IDC_GENERATE, |
514 | IDC_LOADSTATIC, IDC_LOAD, |
515 | IDC_SAVESTATIC, IDC_SAVE, IDC_SAVEPUB, |
516 | IDC_BOX_PARAMS, |
517 | IDC_TYPESTATIC, IDC_KEYSSH1, IDC_KEYSSH2RSA, IDC_KEYSSH2DSA, |
518 | IDC_BITSSTATIC, IDC_BITS, |
519 | IDC_ABOUT, |
520 | IDC_GIVEHELP, |
521 | IDC_IMPORT, IDC_EXPORT_OPENSSH, IDC_EXPORT_SSHCOM |
522 | }; |
523 | |
524 | static const int nokey_ids[] = { IDC_NOKEY, 0 }; |
525 | static const int generating_ids[] = { IDC_GENERATING, IDC_PROGRESS, 0 }; |
526 | static const int gotkey_ids[] = { |
527 | IDC_PKSTATIC, IDC_KEYDISPLAY, |
528 | IDC_FPSTATIC, IDC_FINGERPRINT, |
529 | IDC_COMMENTSTATIC, IDC_COMMENTEDIT, |
530 | IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT, |
531 | IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, 0 |
532 | }; |
533 | |
534 | /* |
535 | * Small UI helper function to switch the state of the main dialog |
536 | * by enabling and disabling controls and menu items. |
537 | */ |
538 | void ui_set_state(HWND hwnd, struct MainDlgState *state, int status) |
539 | { |
540 | int type; |
541 | |
542 | switch (status) { |
543 | case 0: /* no key */ |
544 | hidemany(hwnd, nokey_ids, FALSE); |
545 | hidemany(hwnd, generating_ids, TRUE); |
546 | hidemany(hwnd, gotkey_ids, TRUE); |
547 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1); |
548 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1); |
549 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0); |
550 | EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 0); |
551 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 1); |
552 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 1); |
553 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 1); |
554 | EnableWindow(GetDlgItem(hwnd, IDC_BITS), 1); |
555 | EnableMenuItem(state->filemenu, IDC_LOAD, MF_ENABLED|MF_BYCOMMAND); |
556 | EnableMenuItem(state->filemenu, IDC_SAVE, MF_GRAYED|MF_BYCOMMAND); |
557 | EnableMenuItem(state->filemenu, IDC_SAVEPUB, MF_GRAYED|MF_BYCOMMAND); |
558 | EnableMenuItem(state->keymenu, IDC_GENERATE, MF_ENABLED|MF_BYCOMMAND); |
559 | EnableMenuItem(state->keymenu, IDC_KEYSSH1, MF_ENABLED|MF_BYCOMMAND); |
560 | EnableMenuItem(state->keymenu, IDC_KEYSSH2RSA, MF_ENABLED|MF_BYCOMMAND); |
561 | EnableMenuItem(state->keymenu, IDC_KEYSSH2DSA, MF_ENABLED|MF_BYCOMMAND); |
b723338c |
562 | EnableMenuItem(state->cvtmenu, IDC_IMPORT, MF_ENABLED|MF_BYCOMMAND); |
563 | EnableMenuItem(state->cvtmenu, IDC_EXPORT_OPENSSH, |
9d07b2db |
564 | MF_GRAYED|MF_BYCOMMAND); |
b723338c |
565 | EnableMenuItem(state->cvtmenu, IDC_EXPORT_SSHCOM, |
9d07b2db |
566 | MF_GRAYED|MF_BYCOMMAND); |
567 | break; |
568 | case 1: /* generating key */ |
569 | hidemany(hwnd, nokey_ids, TRUE); |
570 | hidemany(hwnd, generating_ids, FALSE); |
571 | hidemany(hwnd, gotkey_ids, TRUE); |
572 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 0); |
573 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 0); |
574 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0); |
575 | EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 0); |
576 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 0); |
577 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 0); |
578 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 0); |
579 | EnableWindow(GetDlgItem(hwnd, IDC_BITS), 0); |
580 | EnableMenuItem(state->filemenu, IDC_LOAD, MF_GRAYED|MF_BYCOMMAND); |
581 | EnableMenuItem(state->filemenu, IDC_SAVE, MF_GRAYED|MF_BYCOMMAND); |
582 | EnableMenuItem(state->filemenu, IDC_SAVEPUB, MF_GRAYED|MF_BYCOMMAND); |
583 | EnableMenuItem(state->keymenu, IDC_GENERATE, MF_GRAYED|MF_BYCOMMAND); |
584 | EnableMenuItem(state->keymenu, IDC_KEYSSH1, MF_GRAYED|MF_BYCOMMAND); |
585 | EnableMenuItem(state->keymenu, IDC_KEYSSH2RSA, MF_GRAYED|MF_BYCOMMAND); |
586 | EnableMenuItem(state->keymenu, IDC_KEYSSH2DSA, MF_GRAYED|MF_BYCOMMAND); |
b723338c |
587 | EnableMenuItem(state->cvtmenu, IDC_IMPORT, MF_GRAYED|MF_BYCOMMAND); |
588 | EnableMenuItem(state->cvtmenu, IDC_EXPORT_OPENSSH, |
9d07b2db |
589 | MF_GRAYED|MF_BYCOMMAND); |
b723338c |
590 | EnableMenuItem(state->cvtmenu, IDC_EXPORT_SSHCOM, |
9d07b2db |
591 | MF_GRAYED|MF_BYCOMMAND); |
592 | break; |
593 | case 2: |
594 | hidemany(hwnd, nokey_ids, TRUE); |
595 | hidemany(hwnd, generating_ids, TRUE); |
596 | hidemany(hwnd, gotkey_ids, FALSE); |
597 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1); |
598 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1); |
599 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1); |
600 | EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 1); |
601 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 1); |
602 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 1); |
603 | EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 1); |
604 | EnableWindow(GetDlgItem(hwnd, IDC_BITS), 1); |
605 | EnableMenuItem(state->filemenu, IDC_LOAD, MF_ENABLED|MF_BYCOMMAND); |
606 | EnableMenuItem(state->filemenu, IDC_SAVE, MF_ENABLED|MF_BYCOMMAND); |
607 | EnableMenuItem(state->filemenu, IDC_SAVEPUB, MF_ENABLED|MF_BYCOMMAND); |
608 | EnableMenuItem(state->keymenu, IDC_GENERATE, MF_ENABLED|MF_BYCOMMAND); |
609 | EnableMenuItem(state->keymenu, IDC_KEYSSH1, MF_ENABLED|MF_BYCOMMAND); |
610 | EnableMenuItem(state->keymenu, IDC_KEYSSH2RSA,MF_ENABLED|MF_BYCOMMAND); |
611 | EnableMenuItem(state->keymenu, IDC_KEYSSH2DSA,MF_ENABLED|MF_BYCOMMAND); |
b723338c |
612 | EnableMenuItem(state->cvtmenu, IDC_IMPORT, MF_ENABLED|MF_BYCOMMAND); |
9d07b2db |
613 | /* |
614 | * Enable export menu items if and only if the key type |
615 | * supports this kind of export. |
616 | */ |
617 | type = state->ssh2 ? SSH_KEYTYPE_SSH2 : SSH_KEYTYPE_SSH1; |
618 | #define do_export_menuitem(x,y) \ |
b723338c |
619 | EnableMenuItem(state->cvtmenu, x, MF_BYCOMMAND | \ |
9d07b2db |
620 | (import_target_type(y)==type?MF_ENABLED:MF_GRAYED)) |
621 | do_export_menuitem(IDC_EXPORT_OPENSSH, SSH_KEYTYPE_OPENSSH); |
622 | do_export_menuitem(IDC_EXPORT_SSHCOM, SSH_KEYTYPE_SSHCOM); |
623 | #undef do_export_menuitem |
624 | break; |
625 | } |
626 | } |
627 | |
1a418691 |
628 | void load_key_file(HWND hwnd, struct MainDlgState *state, |
9a30e26b |
629 | Filename filename, int was_import_cmd) |
1a418691 |
630 | { |
631 | char passphrase[PASSPHRASE_MAXLEN]; |
632 | int needs_pass; |
633 | int type, realtype; |
634 | int ret; |
1e87cce5 |
635 | const char *errmsg = NULL; |
1a418691 |
636 | char *comment; |
637 | struct PassphraseProcStruct pps; |
638 | struct RSAKey newkey1; |
639 | struct ssh2_userkey *newkey2 = NULL; |
640 | |
9a30e26b |
641 | type = realtype = key_type(&filename); |
1a418691 |
642 | if (type != SSH_KEYTYPE_SSH1 && |
643 | type != SSH_KEYTYPE_SSH2 && |
644 | !import_possible(type)) { |
1e87cce5 |
645 | char *msg = dupprintf("Couldn't load private key (%s)", |
646 | key_type_to_str(type)); |
1a418691 |
647 | MessageBox(NULL, msg, |
648 | "PuTTYgen Error", MB_OK | MB_ICONERROR); |
1e87cce5 |
649 | sfree(msg); |
1a418691 |
650 | return; |
651 | } |
652 | |
653 | if (type != SSH_KEYTYPE_SSH1 && |
654 | type != SSH_KEYTYPE_SSH2) { |
655 | realtype = type; |
656 | type = import_target_type(type); |
657 | } |
658 | |
659 | comment = NULL; |
660 | if (realtype == SSH_KEYTYPE_SSH1) |
9a30e26b |
661 | needs_pass = rsakey_encrypted(&filename, &comment); |
1a418691 |
662 | else if (realtype == SSH_KEYTYPE_SSH2) |
663 | needs_pass = |
9a30e26b |
664 | ssh2_userkey_encrypted(&filename, &comment); |
1a418691 |
665 | else |
9a30e26b |
666 | needs_pass = import_encrypted(&filename, realtype, |
1a418691 |
667 | &comment); |
668 | pps.passphrase = passphrase; |
669 | pps.comment = comment; |
670 | do { |
671 | if (needs_pass) { |
672 | int dlgret; |
673 | dlgret = DialogBoxParam(hinst, |
674 | MAKEINTRESOURCE(210), |
675 | NULL, PassphraseProc, |
676 | (LPARAM) & pps); |
677 | if (!dlgret) { |
678 | ret = -2; |
679 | break; |
680 | } |
681 | } else |
682 | *passphrase = '\0'; |
683 | if (type == SSH_KEYTYPE_SSH1) { |
684 | if (realtype == type) |
9a30e26b |
685 | ret = loadrsakey(&filename, &newkey1, |
1e87cce5 |
686 | passphrase, &errmsg); |
1a418691 |
687 | else |
9a30e26b |
688 | ret = import_ssh1(&filename, realtype, |
1e87cce5 |
689 | &newkey1, passphrase, &errmsg); |
1a418691 |
690 | } else { |
691 | if (realtype == type) |
9a30e26b |
692 | newkey2 = ssh2_load_userkey(&filename, |
1e87cce5 |
693 | passphrase, &errmsg); |
1a418691 |
694 | else |
9a30e26b |
695 | newkey2 = import_ssh2(&filename, realtype, |
1e87cce5 |
696 | passphrase, &errmsg); |
1a418691 |
697 | if (newkey2 == SSH2_WRONG_PASSPHRASE) |
698 | ret = -1; |
699 | else if (!newkey2) |
700 | ret = 0; |
701 | else |
702 | ret = 1; |
703 | } |
704 | } while (ret == -1); |
705 | if (comment) |
706 | sfree(comment); |
707 | if (ret == 0) { |
1e87cce5 |
708 | char *msg = dupprintf("Couldn't load private key (%s)", errmsg); |
709 | MessageBox(NULL, msg, "PuTTYgen Error", MB_OK | MB_ICONERROR); |
710 | sfree(msg); |
1a418691 |
711 | } else if (ret == 1) { |
712 | /* |
713 | * Now update the key controls with all the |
714 | * key data. |
715 | */ |
716 | { |
717 | SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, |
718 | passphrase); |
719 | SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, |
720 | passphrase); |
721 | if (type == SSH_KEYTYPE_SSH1) { |
722 | char buf[128]; |
723 | char *savecomment; |
724 | |
725 | state->ssh2 = FALSE; |
726 | state->commentptr = &state->key.comment; |
727 | state->key = newkey1; |
728 | |
729 | /* |
730 | * Set the key fingerprint. |
731 | */ |
732 | savecomment = state->key.comment; |
733 | state->key.comment = NULL; |
734 | rsa_fingerprint(buf, sizeof(buf), |
735 | &state->key); |
736 | state->key.comment = savecomment; |
737 | |
738 | SetDlgItemText(hwnd, IDC_FINGERPRINT, buf); |
739 | /* |
740 | * Construct a decimal representation |
741 | * of the key, for pasting into |
742 | * .ssh/authorized_keys on a Unix box. |
743 | */ |
744 | setupbigedit1(hwnd, IDC_KEYDISPLAY, |
745 | IDC_PKSTATIC, &state->key); |
746 | } else { |
747 | char *fp; |
748 | char *savecomment; |
749 | |
750 | state->ssh2 = TRUE; |
751 | state->commentptr = |
752 | &state->ssh2key.comment; |
753 | state->ssh2key = *newkey2; /* structure copy */ |
754 | sfree(newkey2); |
755 | |
756 | savecomment = state->ssh2key.comment; |
757 | state->ssh2key.comment = NULL; |
758 | fp = |
759 | state->ssh2key.alg-> |
760 | fingerprint(state->ssh2key.data); |
761 | state->ssh2key.comment = savecomment; |
762 | |
763 | SetDlgItemText(hwnd, IDC_FINGERPRINT, fp); |
764 | sfree(fp); |
765 | |
766 | setupbigedit2(hwnd, IDC_KEYDISPLAY, |
767 | IDC_PKSTATIC, &state->ssh2key); |
768 | } |
769 | SetDlgItemText(hwnd, IDC_COMMENTEDIT, |
770 | *state->commentptr); |
771 | } |
772 | /* |
773 | * Finally, hide the progress bar and show |
774 | * the key data. |
775 | */ |
776 | ui_set_state(hwnd, state, 2); |
777 | state->key_exists = TRUE; |
778 | |
779 | /* |
780 | * If the user has imported a foreign key |
781 | * using the Load command, let them know. |
782 | * If they've used the Import command, be |
783 | * silent. |
784 | */ |
785 | if (realtype != type && !was_import_cmd) { |
786 | char msg[512]; |
787 | sprintf(msg, "Successfully imported foreign key\n" |
788 | "(%s).\n" |
789 | "To use this key with PuTTY, you need to\n" |
790 | "use the \"Save private key\" command to\n" |
791 | "save it in PuTTY's own format.", |
792 | key_type_to_str(realtype)); |
793 | MessageBox(NULL, msg, "PuTTYgen Notice", |
794 | MB_OK | MB_ICONINFORMATION); |
795 | } |
796 | } |
797 | } |
798 | |
6e522441 |
799 | /* |
800 | * Dialog-box function for the main PuTTYgen dialog box. |
801 | */ |
32874aea |
802 | static int CALLBACK MainDlgProc(HWND hwnd, UINT msg, |
803 | WPARAM wParam, LPARAM lParam) |
804 | { |
6e522441 |
805 | static const char generating_msg[] = |
32874aea |
806 | "Please wait while a key is generated..."; |
6e522441 |
807 | static const char entropy_msg[] = |
32874aea |
808 | "Please generate some randomness by moving the mouse over the blank area."; |
6e522441 |
809 | struct MainDlgState *state; |
810 | |
811 | switch (msg) { |
812 | case WM_INITDIALOG: |
0906628e |
813 | if (help_path) |
814 | SetWindowLong(hwnd, GWL_EXSTYLE, |
815 | GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_CONTEXTHELP); |
816 | else { |
817 | /* |
818 | * If we add a Help button, this is where we destroy it |
819 | * if the help file isn't present. |
820 | */ |
821 | } |
822 | requested_help = FALSE; |
336ec53c |
823 | SendMessage(hwnd, WM_SETICON, (WPARAM) ICON_BIG, |
824 | (LPARAM) LoadIcon(hinst, MAKEINTRESOURCE(200))); |
0906628e |
825 | |
3d88e64d |
826 | state = snew(struct MainDlgState); |
9d07b2db |
827 | state->generation_thread_exists = FALSE; |
828 | state->collecting_entropy = FALSE; |
829 | state->entropy = NULL; |
830 | state->key_exists = FALSE; |
831 | SetWindowLong(hwnd, GWL_USERDATA, (LONG) state); |
9dda6459 |
832 | { |
833 | HMENU menu, menu1; |
834 | |
835 | menu = CreateMenu(); |
836 | |
837 | menu1 = CreateMenu(); |
9dda6459 |
838 | AppendMenu(menu1, MF_ENABLED, IDC_LOAD, "&Load private key"); |
839 | AppendMenu(menu1, MF_ENABLED, IDC_SAVEPUB, "Save p&ublic key"); |
840 | AppendMenu(menu1, MF_ENABLED, IDC_SAVE, "&Save private key"); |
9d07b2db |
841 | AppendMenu(menu1, MF_SEPARATOR, 0, 0); |
842 | AppendMenu(menu1, MF_ENABLED, IDC_QUIT, "E&xit"); |
9dda6459 |
843 | AppendMenu(menu, MF_POPUP | MF_ENABLED, (UINT) menu1, "&File"); |
9d07b2db |
844 | state->filemenu = menu1; |
845 | |
846 | menu1 = CreateMenu(); |
847 | AppendMenu(menu1, MF_ENABLED, IDC_GENERATE, "&Generate key pair"); |
848 | AppendMenu(menu1, MF_SEPARATOR, 0, 0); |
849 | AppendMenu(menu1, MF_ENABLED, IDC_KEYSSH1, "SSH&1 key (RSA)"); |
850 | AppendMenu(menu1, MF_ENABLED, IDC_KEYSSH2RSA, "SSH2 &RSA key"); |
851 | AppendMenu(menu1, MF_ENABLED, IDC_KEYSSH2DSA, "SSH2 &DSA key"); |
852 | AppendMenu(menu, MF_POPUP | MF_ENABLED, (UINT) menu1, "&Key"); |
853 | state->keymenu = menu1; |
9dda6459 |
854 | |
9dda6459 |
855 | menu1 = CreateMenu(); |
b723338c |
856 | AppendMenu(menu1, MF_ENABLED, IDC_IMPORT, "&Import key"); |
857 | AppendMenu(menu1, MF_SEPARATOR, 0, 0); |
9dda6459 |
858 | AppendMenu(menu1, MF_ENABLED, IDC_EXPORT_OPENSSH, |
859 | "Export &OpenSSH key"); |
860 | AppendMenu(menu1, MF_ENABLED, IDC_EXPORT_SSHCOM, |
861 | "Export &ssh.com key"); |
9dda6459 |
862 | AppendMenu(menu, MF_POPUP | MF_ENABLED, (UINT) menu1, |
03245025 |
863 | "Con&versions"); |
b723338c |
864 | state->cvtmenu = menu1; |
9dda6459 |
865 | |
866 | menu1 = CreateMenu(); |
867 | AppendMenu(menu1, MF_ENABLED, IDC_ABOUT, "&About"); |
868 | if (help_path) |
869 | AppendMenu(menu1, MF_ENABLED, IDC_GIVEHELP, "&Help"); |
9dda6459 |
870 | AppendMenu(menu, MF_POPUP | MF_ENABLED, (UINT) menu1, "&Help"); |
871 | |
872 | SetMenu(hwnd, menu); |
873 | } |
874 | |
65a22376 |
875 | /* |
876 | * Centre the window. |
877 | */ |
878 | { /* centre the window */ |
879 | RECT rs, rd; |
880 | HWND hw; |
881 | |
882 | hw = GetDesktopWindow(); |
32874aea |
883 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
884 | MoveWindow(hwnd, |
885 | (rs.right + rs.left + rd.left - rd.right) / 2, |
886 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
887 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
65a22376 |
888 | } |
889 | |
32874aea |
890 | { |
891 | struct ctlpos cp, cp2; |
6e522441 |
892 | |
5c72ca61 |
893 | /* Accelerators used: acglops1rbd */ |
a5470c60 |
894 | |
e52455b1 |
895 | ctlposinit(&cp, hwnd, 4, 4, 4); |
32874aea |
896 | beginbox(&cp, "Key", IDC_BOX_KEY); |
897 | cp2 = cp; |
ca68ebca |
898 | statictext(&cp2, "No key.", 1, IDC_NOKEY); |
32874aea |
899 | cp2 = cp; |
ca68ebca |
900 | statictext(&cp2, "", 1, IDC_GENERATING); |
32874aea |
901 | progressbar(&cp2, IDC_PROGRESS); |
902 | bigeditctrl(&cp, |
903 | "&Public key for pasting into authorized_keys file:", |
e52455b1 |
904 | IDC_PKSTATIC, IDC_KEYDISPLAY, 5); |
32874aea |
905 | SendDlgItemMessage(hwnd, IDC_KEYDISPLAY, EM_SETREADONLY, 1, 0); |
03245025 |
906 | staticedit(&cp, "Key f&ingerprint:", IDC_FPSTATIC, |
32874aea |
907 | IDC_FINGERPRINT, 75); |
908 | SendDlgItemMessage(hwnd, IDC_FINGERPRINT, EM_SETREADONLY, 1, |
909 | 0); |
910 | staticedit(&cp, "Key &comment:", IDC_COMMENTSTATIC, |
911 | IDC_COMMENTEDIT, 75); |
912 | staticpassedit(&cp, "Key p&assphrase:", IDC_PASSPHRASE1STATIC, |
913 | IDC_PASSPHRASE1EDIT, 75); |
914 | staticpassedit(&cp, "C&onfirm passphrase:", |
915 | IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, 75); |
916 | endbox(&cp); |
917 | beginbox(&cp, "Actions", IDC_BOX_ACTIONS); |
918 | staticbtn(&cp, "Generate a public/private key pair", |
919 | IDC_GENSTATIC, "&Generate", IDC_GENERATE); |
920 | staticbtn(&cp, "Load an existing private key file", |
921 | IDC_LOADSTATIC, "&Load", IDC_LOAD); |
af282e3b |
922 | static2btn(&cp, "Save the generated key", IDC_SAVESTATIC, |
923 | "Save p&ublic key", IDC_SAVEPUB, |
924 | "&Save private key", IDC_SAVE); |
32874aea |
925 | endbox(&cp); |
926 | beginbox(&cp, "Parameters", IDC_BOX_PARAMS); |
5c72ca61 |
927 | radioline(&cp, "Type of key to generate:", IDC_TYPESTATIC, 3, |
32874aea |
928 | "SSH&1 (RSA)", IDC_KEYSSH1, |
5c72ca61 |
929 | "SSH2 &RSA", IDC_KEYSSH2RSA, |
930 | "SSH2 &DSA", IDC_KEYSSH2DSA, NULL); |
32874aea |
931 | staticedit(&cp, "Number of &bits in a generated key:", |
0c2986d0 |
932 | IDC_BITSSTATIC, IDC_BITS, 20); |
32874aea |
933 | endbox(&cp); |
934 | } |
3b2db109 |
935 | CheckRadioButton(hwnd, IDC_KEYSSH1, IDC_KEYSSH2DSA, IDC_KEYSSH2RSA); |
9d07b2db |
936 | CheckMenuRadioItem(state->keymenu, IDC_KEYSSH1, IDC_KEYSSH2DSA, |
2b7c6acd |
937 | IDC_KEYSSH2RSA, MF_BYCOMMAND); |
0c2986d0 |
938 | SetDlgItemInt(hwnd, IDC_BITS, DEFAULT_KEYSIZE, FALSE); |
939 | |
32874aea |
940 | /* |
941 | * Initially, hide the progress bar and the key display, |
942 | * and show the no-key display. Also disable the Save |
af282e3b |
943 | * buttons, because with no key we obviously can't save |
32874aea |
944 | * anything. |
945 | */ |
9d07b2db |
946 | ui_set_state(hwnd, state, 0); |
6e522441 |
947 | |
1a418691 |
948 | /* |
949 | * Load a key file if one was provided on the command line. |
950 | */ |
951 | if (cmdline_keyfile) |
9a30e26b |
952 | load_key_file(hwnd, state, filename_from_str(cmdline_keyfile), 0); |
1a418691 |
953 | |
6e522441 |
954 | return 1; |
955 | case WM_MOUSEMOVE: |
32874aea |
956 | state = (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA); |
957 | if (state->collecting_entropy && |
958 | state->entropy && state->entropy_got < state->entropy_required) { |
959 | state->entropy[state->entropy_got++] = lParam; |
960 | state->entropy[state->entropy_got++] = GetMessageTime(); |
961 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, |
962 | state->entropy_got, 0); |
963 | if (state->entropy_got >= state->entropy_required) { |
964 | struct rsa_key_thread_params *params; |
965 | DWORD threadid; |
966 | |
967 | /* |
968 | * Seed the entropy pool |
969 | */ |
970 | random_add_heavynoise(state->entropy, state->entropy_size); |
971 | memset(state->entropy, 0, state->entropy_size); |
972 | sfree(state->entropy); |
973 | state->collecting_entropy = FALSE; |
974 | |
975 | SetDlgItemText(hwnd, IDC_GENERATING, generating_msg); |
976 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0, |
977 | MAKELPARAM(0, PROGRESSRANGE)); |
978 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0); |
979 | |
3d88e64d |
980 | params = snew(struct rsa_key_thread_params); |
32874aea |
981 | params->progressbar = GetDlgItem(hwnd, IDC_PROGRESS); |
982 | params->dialog = hwnd; |
0c2986d0 |
983 | params->keysize = state->keysize; |
5c72ca61 |
984 | params->is_dsa = state->is_dsa; |
32874aea |
985 | params->key = &state->key; |
5c72ca61 |
986 | params->dsskey = &state->dsskey; |
32874aea |
987 | |
988 | if (!CreateThread(NULL, 0, generate_rsa_key_thread, |
989 | params, 0, &threadid)) { |
990 | MessageBox(hwnd, "Out of thread resources", |
991 | "Key generation error", |
992 | MB_OK | MB_ICONERROR); |
993 | sfree(params); |
994 | } else { |
995 | state->generation_thread_exists = TRUE; |
996 | } |
997 | } |
998 | } |
999 | break; |
6e522441 |
1000 | case WM_COMMAND: |
1001 | switch (LOWORD(wParam)) { |
9d07b2db |
1002 | case IDC_KEYSSH1: |
1003 | case IDC_KEYSSH2RSA: |
1004 | case IDC_KEYSSH2DSA: |
1005 | { |
1006 | state = (struct MainDlgState *) |
1007 | GetWindowLong(hwnd, GWL_USERDATA); |
1008 | if (!IsDlgButtonChecked(hwnd, LOWORD(wParam))) |
1009 | CheckRadioButton(hwnd, IDC_KEYSSH1, IDC_KEYSSH2DSA, |
1010 | LOWORD(wParam)); |
1011 | CheckMenuRadioItem(state->keymenu, IDC_KEYSSH1, IDC_KEYSSH2DSA, |
1012 | LOWORD(wParam), MF_BYCOMMAND); |
1013 | } |
1014 | break; |
1015 | case IDC_QUIT: |
1016 | PostMessage(hwnd, WM_CLOSE, 0, 0); |
1017 | break; |
6e522441 |
1018 | case IDC_COMMENTEDIT: |
1019 | if (HIWORD(wParam) == EN_CHANGE) { |
32874aea |
1020 | state = (struct MainDlgState *) |
1021 | GetWindowLong(hwnd, GWL_USERDATA); |
1022 | if (state->key_exists) { |
1023 | HWND editctl = GetDlgItem(hwnd, IDC_COMMENTEDIT); |
1024 | int len = GetWindowTextLength(editctl); |
1025 | if (*state->commentptr) |
1026 | sfree(*state->commentptr); |
3d88e64d |
1027 | *state->commentptr = snewn(len + 1, char); |
32874aea |
1028 | GetWindowText(editctl, *state->commentptr, len + 1); |
2e8324fc |
1029 | if (state->ssh2) { |
af282e3b |
1030 | setupbigedit2(hwnd, IDC_KEYDISPLAY, IDC_PKSTATIC, |
32874aea |
1031 | &state->ssh2key); |
2e8324fc |
1032 | } else { |
af282e3b |
1033 | setupbigedit1(hwnd, IDC_KEYDISPLAY, IDC_PKSTATIC, |
1034 | &state->key); |
2e8324fc |
1035 | } |
1036 | } |
1037 | } |
6e522441 |
1038 | break; |
1039 | case IDC_ABOUT: |
1040 | EnableWindow(hwnd, 0); |
cd9778e2 |
1041 | DialogBox(hinst, MAKEINTRESOURCE(213), hwnd, AboutProc); |
6e522441 |
1042 | EnableWindow(hwnd, 1); |
32874aea |
1043 | SetActiveWindow(hwnd); |
6e522441 |
1044 | return 0; |
9dda6459 |
1045 | case IDC_GIVEHELP: |
1046 | if (HIWORD(wParam) == BN_CLICKED || |
1047 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
1048 | if (help_path) { |
1049 | WinHelp(hwnd, help_path, HELP_COMMAND, |
1050 | (DWORD)"JI(`',`puttygen.general')"); |
1051 | requested_help = TRUE; |
1052 | } |
1053 | } |
1054 | return 0; |
32874aea |
1055 | case IDC_GENERATE: |
a06a0632 |
1056 | if (HIWORD(wParam) != BN_CLICKED && |
1057 | HIWORD(wParam) != BN_DOUBLECLICKED) |
1058 | break; |
32874aea |
1059 | state = |
1060 | (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA); |
1061 | if (!state->generation_thread_exists) { |
1062 | BOOL ok; |
1063 | state->keysize = GetDlgItemInt(hwnd, IDC_BITS, &ok, FALSE); |
1064 | if (!ok) |
1065 | state->keysize = DEFAULT_KEYSIZE; |
65a22376 |
1066 | /* If we ever introduce a new key type, check it here! */ |
1067 | state->ssh2 = !IsDlgButtonChecked(hwnd, IDC_KEYSSH1); |
5c72ca61 |
1068 | state->is_dsa = IsDlgButtonChecked(hwnd, IDC_KEYSSH2DSA); |
32874aea |
1069 | if (state->keysize < 256) { |
1070 | int ret = MessageBox(hwnd, |
1071 | "PuTTYgen will not generate a key" |
1072 | " smaller than 256 bits.\n" |
1073 | "Key length reset to 256. Continue?", |
1074 | "PuTTYgen Warning", |
1075 | MB_ICONWARNING | MB_OKCANCEL); |
1076 | if (ret != IDOK) |
1077 | break; |
1078 | state->keysize = 256; |
1079 | SetDlgItemInt(hwnd, IDC_BITS, 256, FALSE); |
1080 | } |
9d07b2db |
1081 | ui_set_state(hwnd, state, 1); |
32874aea |
1082 | SetDlgItemText(hwnd, IDC_GENERATING, entropy_msg); |
9d07b2db |
1083 | state->key_exists = FALSE; |
32874aea |
1084 | state->collecting_entropy = TRUE; |
1085 | |
1086 | /* |
1087 | * My brief statistical tests on mouse movements |
1088 | * suggest that there are about 2.5 bits of |
1089 | * randomness in the x position, 2.5 in the y |
1090 | * position, and 1.7 in the message time, making |
1091 | * 5.7 bits of unpredictability per mouse movement. |
1092 | * However, other people have told me it's far less |
1093 | * than that, so I'm going to be stupidly cautious |
1094 | * and knock that down to a nice round 2. With this |
1095 | * method, we require two words per mouse movement, |
1096 | * so with 2 bits per mouse movement we expect 2 |
1097 | * bits every 2 words. |
1098 | */ |
1099 | state->entropy_required = (state->keysize / 2) * 2; |
1100 | state->entropy_got = 0; |
1101 | state->entropy_size = (state->entropy_required * |
3d88e64d |
1102 | sizeof(unsigned)); |
1103 | state->entropy = snewn(state->entropy_required, unsigned); |
32874aea |
1104 | |
1105 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0, |
1106 | MAKELPARAM(0, state->entropy_required)); |
1107 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0); |
1108 | } |
1109 | break; |
1110 | case IDC_SAVE: |
4801c01c |
1111 | case IDC_EXPORT_OPENSSH: |
1112 | case IDC_EXPORT_SSHCOM: |
f3165540 |
1113 | if (HIWORD(wParam) != BN_CLICKED) |
1114 | break; |
32874aea |
1115 | state = |
1116 | (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA); |
1117 | if (state->key_exists) { |
1118 | char filename[FILENAME_MAX]; |
1119 | char passphrase[PASSPHRASE_MAXLEN]; |
1120 | char passphrase2[PASSPHRASE_MAXLEN]; |
4801c01c |
1121 | int type, realtype; |
1122 | |
1123 | if (state->ssh2) |
1124 | realtype = SSH_KEYTYPE_SSH2; |
1125 | else |
1126 | realtype = SSH_KEYTYPE_SSH1; |
1127 | |
1128 | if (LOWORD(wParam) == IDC_EXPORT_OPENSSH) |
1129 | type = SSH_KEYTYPE_OPENSSH; |
1130 | else if (LOWORD(wParam) == IDC_EXPORT_SSHCOM) |
1131 | type = SSH_KEYTYPE_SSHCOM; |
1132 | else |
1133 | type = realtype; |
1134 | |
1135 | if (type != realtype && |
1136 | import_target_type(type) != realtype) { |
1137 | char msg[256]; |
1138 | sprintf(msg, "Cannot export an SSH%d key in an SSH%d" |
1139 | " format", (state->ssh2 ? 2 : 1), |
1140 | (state->ssh2 ? 1 : 2)); |
1141 | MessageBox(hwnd, msg, |
1142 | "PuTTYgen Error", MB_OK | MB_ICONERROR); |
1143 | break; |
1144 | } |
1145 | |
32874aea |
1146 | GetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, |
1147 | passphrase, sizeof(passphrase)); |
1148 | GetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, |
1149 | passphrase2, sizeof(passphrase2)); |
a5470c60 |
1150 | if (strcmp(passphrase, passphrase2)) { |
32874aea |
1151 | MessageBox(hwnd, |
a5470c60 |
1152 | "The two passphrases given do not match.", |
32874aea |
1153 | "PuTTYgen Error", MB_OK | MB_ICONERROR); |
a5470c60 |
1154 | break; |
1155 | } |
32874aea |
1156 | if (!*passphrase) { |
1157 | int ret; |
1158 | ret = MessageBox(hwnd, |
1159 | "Are you sure you want to save this key\n" |
1160 | "without a passphrase to protect it?", |
1161 | "PuTTYgen Warning", |
1162 | MB_YESNO | MB_ICONWARNING); |
1163 | if (ret != IDYES) |
1164 | break; |
1165 | } |
1166 | if (prompt_keyfile(hwnd, "Save private key as:", |
06980e9d |
1167 | filename, 1, (type == realtype))) { |
bdea0743 |
1168 | int ret; |
18790478 |
1169 | FILE *fp = fopen(filename, "r"); |
1170 | if (fp) { |
57356d63 |
1171 | char *buffer; |
18790478 |
1172 | fclose(fp); |
57356d63 |
1173 | buffer = dupprintf("Overwrite existing file\n%s?", |
1174 | filename); |
18790478 |
1175 | ret = MessageBox(hwnd, buffer, "PuTTYgen Warning", |
1176 | MB_YESNO | MB_ICONWARNING); |
57356d63 |
1177 | sfree(buffer); |
18790478 |
1178 | if (ret != IDYES) |
1179 | break; |
1180 | } |
4801c01c |
1181 | |
65a22376 |
1182 | if (state->ssh2) { |
9a30e26b |
1183 | Filename fn = filename_from_str(filename); |
4801c01c |
1184 | if (type != realtype) |
9a30e26b |
1185 | ret = export_ssh2(&fn, type, &state->ssh2key, |
4801c01c |
1186 | *passphrase ? passphrase : NULL); |
1187 | else |
9a30e26b |
1188 | ret = ssh2_save_userkey(&fn, &state->ssh2key, |
4801c01c |
1189 | *passphrase ? passphrase : |
1190 | NULL); |
65a22376 |
1191 | } else { |
9a30e26b |
1192 | Filename fn = filename_from_str(filename); |
4801c01c |
1193 | if (type != realtype) |
9a30e26b |
1194 | ret = export_ssh1(&fn, type, &state->key, |
4801c01c |
1195 | *passphrase ? passphrase : NULL); |
1196 | else |
9a30e26b |
1197 | ret = saversakey(&fn, &state->key, |
4801c01c |
1198 | *passphrase ? passphrase : NULL); |
65a22376 |
1199 | } |
bdea0743 |
1200 | if (ret <= 0) { |
1201 | MessageBox(hwnd, "Unable to save key file", |
32874aea |
1202 | "PuTTYgen Error", MB_OK | MB_ICONERROR); |
bdea0743 |
1203 | } |
32874aea |
1204 | } |
1205 | } |
1206 | break; |
af282e3b |
1207 | case IDC_SAVEPUB: |
f3165540 |
1208 | if (HIWORD(wParam) != BN_CLICKED) |
1209 | break; |
af282e3b |
1210 | state = |
1211 | (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA); |
1212 | if (state->key_exists) { |
1213 | char filename[FILENAME_MAX]; |
1214 | if (prompt_keyfile(hwnd, "Save public key as:", |
06980e9d |
1215 | filename, 1, 0)) { |
af282e3b |
1216 | int ret; |
1217 | FILE *fp = fopen(filename, "r"); |
1218 | if (fp) { |
57356d63 |
1219 | char *buffer; |
af282e3b |
1220 | fclose(fp); |
57356d63 |
1221 | buffer = dupprintf("Overwrite existing file\n%s?", |
1222 | filename); |
af282e3b |
1223 | ret = MessageBox(hwnd, buffer, "PuTTYgen Warning", |
1224 | MB_YESNO | MB_ICONWARNING); |
57356d63 |
1225 | sfree(buffer); |
af282e3b |
1226 | if (ret != IDYES) |
1227 | break; |
1228 | } |
1229 | if (state->ssh2) { |
1230 | ret = save_ssh2_pubkey(filename, &state->ssh2key); |
1231 | } else { |
1232 | ret = save_ssh1_pubkey(filename, &state->key); |
1233 | } |
1234 | if (ret <= 0) { |
1235 | MessageBox(hwnd, "Unable to save key file", |
1236 | "PuTTYgen Error", MB_OK | MB_ICONERROR); |
1237 | } |
1238 | } |
1239 | } |
1240 | break; |
32874aea |
1241 | case IDC_LOAD: |
b723338c |
1242 | case IDC_IMPORT: |
f3165540 |
1243 | if (HIWORD(wParam) != BN_CLICKED) |
1244 | break; |
32874aea |
1245 | state = |
1246 | (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA); |
1247 | if (!state->generation_thread_exists) { |
1248 | char filename[FILENAME_MAX]; |
06980e9d |
1249 | if (prompt_keyfile(hwnd, "Load private key:", |
1a418691 |
1250 | filename, 0, LOWORD(wParam)==IDC_LOAD)) |
9a30e26b |
1251 | load_key_file(hwnd, state, filename_from_str(filename), |
1a418691 |
1252 | LOWORD(wParam) != IDC_LOAD); |
32874aea |
1253 | } |
1254 | break; |
6e522441 |
1255 | } |
1256 | return 0; |
1257 | case WM_DONEKEY: |
32874aea |
1258 | state = (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA); |
1259 | state->generation_thread_exists = FALSE; |
1260 | state->key_exists = TRUE; |
5c72ca61 |
1261 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0, |
1262 | MAKELPARAM(0, PROGRESSRANGE)); |
1263 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, PROGRESSRANGE, 0); |
3b4c5899 |
1264 | if (state->ssh2) { |
5c72ca61 |
1265 | if (state->is_dsa) { |
1266 | state->ssh2key.data = &state->dsskey; |
1267 | state->ssh2key.alg = &ssh_dss; |
1268 | } else { |
1269 | state->ssh2key.data = &state->key; |
1270 | state->ssh2key.alg = &ssh_rsa; |
1271 | } |
65a22376 |
1272 | state->commentptr = &state->ssh2key.comment; |
3b4c5899 |
1273 | } else { |
65a22376 |
1274 | state->commentptr = &state->key.comment; |
3b4c5899 |
1275 | } |
32874aea |
1276 | /* |
1277 | * Invent a comment for the key. We'll do this by including |
1278 | * the date in it. This will be so horrifyingly ugly that |
1279 | * the user will immediately want to change it, which is |
1280 | * what we want :-) |
1281 | */ |
3d88e64d |
1282 | *state->commentptr = snewn(30, char); |
32874aea |
1283 | { |
aca589d9 |
1284 | struct tm tm; |
1285 | tm = ltime(); |
5c72ca61 |
1286 | if (state->is_dsa) |
aca589d9 |
1287 | strftime(*state->commentptr, 30, "dsa-key-%Y%m%d", &tm); |
5c72ca61 |
1288 | else |
aca589d9 |
1289 | strftime(*state->commentptr, 30, "rsa-key-%Y%m%d", &tm); |
32874aea |
1290 | } |
1291 | |
1292 | /* |
1293 | * Now update the key controls with all the key data. |
1294 | */ |
1295 | { |
65a22376 |
1296 | char *savecomment; |
32874aea |
1297 | /* |
1298 | * Blank passphrase, initially. This isn't dangerous, |
1299 | * because we will warn (Are You Sure?) before allowing |
1300 | * the user to save an unprotected private key. |
1301 | */ |
1302 | SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, ""); |
1303 | SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, ""); |
1304 | /* |
1305 | * Set the comment. |
1306 | */ |
1307 | SetDlgItemText(hwnd, IDC_COMMENTEDIT, *state->commentptr); |
1308 | /* |
1309 | * Set the key fingerprint. |
1310 | */ |
65a22376 |
1311 | savecomment = *state->commentptr; |
1312 | *state->commentptr = NULL; |
32874aea |
1313 | if (state->ssh2) { |
65a22376 |
1314 | char *fp; |
32874aea |
1315 | fp = state->ssh2key.alg->fingerprint(state->ssh2key.data); |
65a22376 |
1316 | SetDlgItemText(hwnd, IDC_FINGERPRINT, fp); |
1317 | sfree(fp); |
1318 | } else { |
1319 | char buf[128]; |
32874aea |
1320 | rsa_fingerprint(buf, sizeof(buf), &state->key); |
65a22376 |
1321 | SetDlgItemText(hwnd, IDC_FINGERPRINT, buf); |
32874aea |
1322 | } |
65a22376 |
1323 | *state->commentptr = savecomment; |
32874aea |
1324 | /* |
1325 | * Construct a decimal representation of the key, for |
af282e3b |
1326 | * pasting into .ssh/authorized_keys or |
1327 | * .ssh/authorized_keys2 on a Unix box. |
32874aea |
1328 | */ |
65a22376 |
1329 | if (state->ssh2) { |
af282e3b |
1330 | setupbigedit2(hwnd, IDC_KEYDISPLAY, |
1331 | IDC_PKSTATIC, &state->ssh2key); |
65a22376 |
1332 | } else { |
af282e3b |
1333 | setupbigedit1(hwnd, IDC_KEYDISPLAY, |
1334 | IDC_PKSTATIC, &state->key); |
65a22376 |
1335 | } |
32874aea |
1336 | } |
1337 | /* |
1338 | * Finally, hide the progress bar and show the key data. |
1339 | */ |
9d07b2db |
1340 | ui_set_state(hwnd, state, 2); |
32874aea |
1341 | break; |
0906628e |
1342 | case WM_HELP: |
1343 | if (help_path) { |
1344 | int id = ((LPHELPINFO)lParam)->iCtrlId; |
a9dc49af |
1345 | char *topic = NULL; |
0906628e |
1346 | switch (id) { |
1347 | case IDC_GENERATING: |
1348 | case IDC_PROGRESS: |
1349 | case IDC_GENSTATIC: |
1350 | case IDC_GENERATE: |
a9dc49af |
1351 | topic = "puttygen.generate"; break; |
0906628e |
1352 | case IDC_PKSTATIC: |
1353 | case IDC_KEYDISPLAY: |
a9dc49af |
1354 | topic = "puttygen.pastekey"; break; |
0906628e |
1355 | case IDC_FPSTATIC: |
1356 | case IDC_FINGERPRINT: |
a9dc49af |
1357 | topic = "puttygen.fingerprint"; break; |
0906628e |
1358 | case IDC_COMMENTSTATIC: |
1359 | case IDC_COMMENTEDIT: |
a9dc49af |
1360 | topic = "puttygen.comment"; break; |
0906628e |
1361 | case IDC_PASSPHRASE1STATIC: |
1362 | case IDC_PASSPHRASE1EDIT: |
1363 | case IDC_PASSPHRASE2STATIC: |
1364 | case IDC_PASSPHRASE2EDIT: |
a9dc49af |
1365 | topic = "puttygen.passphrase"; break; |
0906628e |
1366 | case IDC_LOADSTATIC: |
1367 | case IDC_LOAD: |
a9dc49af |
1368 | topic = "puttygen.load"; break; |
0906628e |
1369 | case IDC_SAVESTATIC: |
1370 | case IDC_SAVE: |
a9dc49af |
1371 | topic = "puttygen.savepriv"; break; |
0906628e |
1372 | case IDC_SAVEPUB: |
a9dc49af |
1373 | topic = "puttygen.savepub"; break; |
0906628e |
1374 | case IDC_TYPESTATIC: |
1375 | case IDC_KEYSSH1: |
1376 | case IDC_KEYSSH2RSA: |
1377 | case IDC_KEYSSH2DSA: |
a9dc49af |
1378 | topic = "puttygen.keytype"; break; |
0906628e |
1379 | case IDC_BITSSTATIC: |
1380 | case IDC_BITS: |
a9dc49af |
1381 | topic = "puttygen.bits"; break; |
b723338c |
1382 | case IDC_IMPORT: |
9d07b2db |
1383 | case IDC_EXPORT_OPENSSH: |
1384 | case IDC_EXPORT_SSHCOM: |
a9dc49af |
1385 | topic = "puttygen.conversions"; break; |
0906628e |
1386 | } |
a9dc49af |
1387 | if (topic) { |
1388 | char *cmd = dupprintf("JI(`',`%s')", topic); |
0906628e |
1389 | WinHelp(hwnd, help_path, HELP_COMMAND, (DWORD)cmd); |
a9dc49af |
1390 | sfree(cmd); |
0906628e |
1391 | requested_help = TRUE; |
1392 | } else { |
1393 | MessageBeep(0); |
1394 | } |
1395 | } |
1396 | break; |
6e522441 |
1397 | case WM_CLOSE: |
32874aea |
1398 | state = (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA); |
1399 | sfree(state); |
0906628e |
1400 | if (requested_help) { |
1401 | WinHelp(hwnd, help_path, HELP_QUIT, 0); |
1402 | requested_help = FALSE; |
1403 | } |
32874aea |
1404 | EndDialog(hwnd, 1); |
6e522441 |
1405 | return 0; |
1406 | } |
1407 | return 0; |
1408 | } |
1409 | |
93b581bd |
1410 | void cleanup_exit(int code) { exit(code); } |
1411 | |
32874aea |
1412 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
1413 | { |
1a418691 |
1414 | int argc; |
1415 | char **argv; |
1416 | |
d3a1a808 |
1417 | split_into_argv(cmdline, &argc, &argv, NULL); |
1a418691 |
1418 | |
1419 | if (argc > 0) { |
1420 | /* |
1421 | * Assume the first argument to be a private key file, and |
1422 | * attempt to load it. |
1423 | */ |
1424 | cmdline_keyfile = argv[0]; |
1425 | } |
1426 | |
8b8cf871 |
1427 | InitCommonControls(); |
6e522441 |
1428 | hinst = inst; |
0906628e |
1429 | |
1430 | /* |
1431 | * See if we can find our Help file. |
1432 | */ |
1433 | { |
1434 | char b[2048], *p, *q, *r; |
1435 | FILE *fp; |
1436 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1437 | r = b; |
1438 | p = strrchr(b, '\\'); |
1439 | if (p && p >= r) r = p+1; |
1440 | q = strrchr(b, ':'); |
1441 | if (q && q >= r) r = q+1; |
a9dc49af |
1442 | strcpy(r, PUTTY_HELP_FILE); |
0906628e |
1443 | if ( (fp = fopen(b, "r")) != NULL) { |
1444 | help_path = dupstr(b); |
1445 | fclose(fp); |
1446 | } else |
1447 | help_path = NULL; |
1448 | } |
1449 | |
5d17ccfc |
1450 | random_ref(); |
32874aea |
1451 | return DialogBox(hinst, MAKEINTRESOURCE(201), NULL, |
1452 | MainDlgProc) != IDOK; |
6e522441 |
1453 | } |