6e522441 |
1 | /* |
2 | * PuTTY key generation front end. |
3 | */ |
4 | |
5 | #include <windows.h> |
6 | #include <commctrl.h> |
7 | #include <time.h> |
8 | #ifndef NO_SECURITY |
9 | #include <aclapi.h> |
10 | #endif |
11 | #include <stdio.h> |
12 | |
13 | #define PUTTY_DO_GLOBALS |
14 | |
15 | #include "putty.h" |
16 | #include "ssh.h" |
17 | #include "winstuff.h" |
18 | |
19 | #define WM_DONEKEY (WM_XUSER + 1) |
20 | |
21 | #define KEYSIZE 1024 |
22 | |
23 | /* |
24 | * TODO: |
25 | * - have some means of verifying passphrase changes against typos |
26 | * - prompt before overwriting an existing file |
27 | * - check the return value from saversakey() |
28 | * - test the generated keys for actual working-RSA-key-hood |
29 | * - variable key size |
30 | */ |
31 | |
32 | /* ---------------------------------------------------------------------- |
33 | * Progress report code. This is really horrible :-) |
34 | */ |
35 | #define PHASE1TOTAL 0x10000 |
36 | #define PHASE2TOTAL 0x10000 |
37 | #define PHASE3TOTAL 0x04000 |
38 | #define PHASE1START 0 |
39 | #define PHASE2START (PHASE1TOTAL) |
40 | #define PHASE3START (PHASE1TOTAL + PHASE2TOTAL) |
41 | #define TOTALTOTAL (PHASE1TOTAL + PHASE2TOTAL + PHASE3TOTAL) |
42 | #define PROGRESSBIGRANGE 65535 |
43 | #define DIVISOR ((TOTALTOTAL + PROGRESSBIGRANGE - 1) / PROGRESSBIGRANGE) |
44 | #define PROGRESSRANGE (TOTALTOTAL / DIVISOR) |
45 | struct progress { |
46 | unsigned phase1param, phase1current, phase1n; |
47 | unsigned phase2param, phase2current, phase2n; |
48 | unsigned phase3mult; |
49 | HWND progbar; |
50 | }; |
51 | |
52 | static void progress_update(void *param, int phase, int iprogress) { |
53 | struct progress *p = (struct progress *)param; |
54 | unsigned progress = iprogress; |
55 | int position; |
56 | |
57 | switch (phase) { |
58 | case -1: |
59 | p->phase1param = 0x10000 + progress; |
60 | p->phase1current = 0x10000; p->phase1n = 0; |
61 | return; |
62 | case -2: |
63 | p->phase2param = 0x10000 + progress; |
64 | p->phase2current = 0x10000; p->phase2n = 0; |
65 | return; |
66 | case -3: |
67 | p->phase3mult = PHASE3TOTAL / progress; |
68 | return; |
69 | case 1: |
70 | while (p->phase1n < progress) { |
71 | p->phase1n++; |
72 | p->phase1current *= p->phase1param; |
73 | p->phase1current /= 0x10000; |
74 | } |
75 | position = PHASE1START + 0x10000 - p->phase1current; |
76 | break; |
77 | case 2: |
78 | while (p->phase2n < progress) { |
79 | p->phase2n++; |
80 | p->phase2current *= p->phase2param; |
81 | p->phase2current /= 0x10000; |
82 | } |
83 | position = PHASE2START + 0x10000 - p->phase2current; |
84 | break; |
85 | case 3: |
86 | position = PHASE3START + progress * p->phase3mult; |
87 | break; |
88 | } |
89 | |
90 | SendMessage(p->progbar, PBM_SETPOS, position / DIVISOR, 0); |
91 | } |
92 | |
93 | extern char ver[]; |
94 | |
95 | #define PASSPHRASE_MAXLEN 512 |
96 | |
97 | struct PassphraseProcStruct { |
98 | char *passphrase; |
99 | char *comment; |
100 | }; |
101 | |
102 | /* |
103 | * Dialog-box function for the passphrase box. |
104 | */ |
105 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
106 | WPARAM wParam, LPARAM lParam) { |
107 | static char *passphrase; |
108 | struct PassphraseProcStruct *p; |
109 | |
110 | switch (msg) { |
111 | case WM_INITDIALOG: |
112 | SetForegroundWindow(hwnd); |
113 | SetWindowPos (hwnd, HWND_TOP, 0, 0, 0, 0, |
114 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
115 | p = (struct PassphraseProcStruct *)lParam; |
116 | passphrase = p->passphrase; |
117 | if (p->comment) |
118 | SetDlgItemText(hwnd, 101, p->comment); |
119 | *passphrase = 0; |
120 | return 0; |
121 | case WM_COMMAND: |
122 | switch (LOWORD(wParam)) { |
123 | case IDOK: |
124 | if (*passphrase) |
125 | EndDialog (hwnd, 1); |
126 | else |
127 | MessageBeep (0); |
128 | return 0; |
129 | case IDCANCEL: |
130 | EndDialog (hwnd, 0); |
131 | return 0; |
132 | case 102: /* edit box */ |
133 | if (HIWORD(wParam) == EN_CHANGE) { |
134 | GetDlgItemText (hwnd, 102, passphrase, PASSPHRASE_MAXLEN-1); |
135 | passphrase[PASSPHRASE_MAXLEN-1] = '\0'; |
136 | } |
137 | return 0; |
138 | } |
139 | return 0; |
140 | case WM_CLOSE: |
141 | EndDialog (hwnd, 0); |
142 | return 0; |
143 | } |
144 | return 0; |
145 | } |
146 | |
147 | /* |
148 | * Prompt for a key file. Assumes the filename buffer is of size |
149 | * FILENAME_MAX. |
150 | */ |
151 | static int prompt_keyfile(HWND hwnd, char *dlgtitle, |
152 | char *filename, int save) { |
153 | OPENFILENAME of; |
154 | memset(&of, 0, sizeof(of)); |
155 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
156 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
157 | #else |
158 | of.lStructSize = sizeof(of); |
159 | #endif |
160 | of.hwndOwner = hwnd; |
161 | of.lpstrFilter = "All Files\0*\0\0\0"; |
162 | of.lpstrCustomFilter = NULL; |
163 | of.nFilterIndex = 1; |
164 | of.lpstrFile = filename; *filename = '\0'; |
165 | of.nMaxFile = FILENAME_MAX; |
166 | of.lpstrFileTitle = NULL; |
167 | of.lpstrInitialDir = NULL; |
168 | of.lpstrTitle = dlgtitle; |
169 | of.Flags = 0; |
170 | if (save) |
171 | return GetSaveFileName(&of); |
172 | else |
173 | return GetOpenFileName(&of); |
174 | } |
175 | |
176 | /* |
177 | * This function is needed to link with the DES code. We need not |
178 | * have it do anything at all. |
179 | */ |
180 | void logevent(char *msg) { |
181 | } |
182 | |
183 | /* |
184 | * Dialog-box function for the Licence box. |
185 | */ |
186 | static int CALLBACK LicenceProc (HWND hwnd, UINT msg, |
187 | WPARAM wParam, LPARAM lParam) { |
188 | switch (msg) { |
189 | case WM_INITDIALOG: |
190 | return 1; |
191 | case WM_COMMAND: |
192 | switch (LOWORD(wParam)) { |
193 | case IDOK: |
194 | EndDialog(hwnd, 1); |
195 | return 0; |
196 | } |
197 | return 0; |
198 | case WM_CLOSE: |
199 | EndDialog(hwnd, 1); |
200 | return 0; |
201 | } |
202 | return 0; |
203 | } |
204 | |
205 | /* |
206 | * Dialog-box function for the About box. |
207 | */ |
208 | static int CALLBACK AboutProc (HWND hwnd, UINT msg, |
209 | WPARAM wParam, LPARAM lParam) { |
210 | switch (msg) { |
211 | case WM_INITDIALOG: |
212 | SetDlgItemText (hwnd, 100, ver); |
213 | return 1; |
214 | case WM_COMMAND: |
215 | switch (LOWORD(wParam)) { |
216 | case IDOK: |
217 | EndDialog(hwnd, 1); |
218 | return 0; |
219 | case 101: |
220 | EnableWindow(hwnd, 0); |
221 | DialogBox (hinst, MAKEINTRESOURCE(214), NULL, LicenceProc); |
222 | EnableWindow(hwnd, 1); |
223 | SetActiveWindow(hwnd); |
224 | return 0; |
225 | } |
226 | return 0; |
227 | case WM_CLOSE: |
228 | EndDialog(hwnd, 1); |
229 | return 0; |
230 | } |
231 | return 0; |
232 | } |
233 | |
234 | /* |
235 | * Thread to generate a key. |
236 | */ |
237 | struct rsa_key_thread_params { |
238 | HWND progressbar; /* notify this with progress */ |
239 | HWND dialog; /* notify this on completion */ |
240 | struct RSAKey *key; |
241 | struct RSAAux *aux; |
242 | }; |
243 | static DWORD WINAPI generate_rsa_key_thread(void *param) { |
244 | struct rsa_key_thread_params *params = |
245 | (struct rsa_key_thread_params *)param; |
246 | struct progress prog; |
247 | prog.progbar = params->progressbar; |
248 | |
249 | rsa_generate(params->key, params->aux, KEYSIZE, progress_update, &prog); |
250 | |
251 | PostMessage(params->dialog, WM_DONEKEY, 0, 0); |
252 | |
253 | free(params); |
254 | return 0; |
255 | } |
256 | |
257 | struct MainDlgState { |
258 | int collecting_entropy; |
259 | int generation_thread_exists; |
260 | int key_exists; |
261 | int entropy_got, entropy_required, entropy_size; |
262 | unsigned *entropy; |
263 | struct RSAKey key; |
264 | struct RSAAux aux; |
265 | }; |
266 | |
267 | static void hidemany(HWND hwnd, const int *ids, int hideit) { |
268 | while (*ids) { |
269 | ShowWindow(GetDlgItem(hwnd, *ids++), (hideit ? SW_HIDE : SW_SHOW)); |
270 | } |
271 | } |
272 | |
273 | static void setupbigedit(HWND hwnd, int id, struct RSAKey *key) { |
274 | char *buffer; |
275 | char *dec1, *dec2; |
276 | |
277 | dec1 = bignum_decimal(key->exponent); |
278 | dec2 = bignum_decimal(key->modulus); |
279 | buffer = malloc(strlen(dec1)+strlen(dec2)+ |
280 | strlen(key->comment)+30); |
281 | sprintf(buffer, "%d %s %s %s", |
282 | ssh1_bignum_bitcount(key->modulus), |
283 | dec1, dec2, key->comment); |
284 | SetDlgItemText(hwnd, id, buffer); |
285 | free(dec1); |
286 | free(dec2); |
287 | free(buffer); |
288 | } |
289 | |
290 | /* |
291 | * Dialog-box function for the main PuTTYgen dialog box. |
292 | */ |
293 | static int CALLBACK MainDlgProc (HWND hwnd, UINT msg, |
294 | WPARAM wParam, LPARAM lParam) { |
295 | enum { |
296 | controlidstart = 100, |
297 | IDC_TITLE, |
298 | IDC_BOX_KEY, IDC_BOXT_KEY, |
299 | IDC_NOKEY, |
300 | IDC_GENERATING, |
301 | IDC_PROGRESS, |
302 | IDC_PKSTATIC, IDC_KEYDISPLAY, |
303 | IDC_FPSTATIC, IDC_FINGERPRINT, |
304 | IDC_COMMENTSTATIC, IDC_COMMENTEDIT, |
305 | IDC_PASSPHRASESTATIC, IDC_PASSPHRASEEDIT, |
306 | IDC_BOX_ACTIONS, IDC_BOXT_ACTIONS, |
307 | IDC_GENSTATIC, IDC_GENERATE, |
308 | IDC_LOADSTATIC, IDC_LOAD, |
309 | IDC_SAVESTATIC, IDC_SAVE, |
310 | IDC_ABOUT, |
311 | }; |
312 | static const int nokey_ids[] = { IDC_NOKEY, 0 }; |
313 | static const int generating_ids[] = { IDC_GENERATING, IDC_PROGRESS, 0 }; |
314 | static const int gotkey_ids[] = { |
315 | IDC_PKSTATIC, IDC_KEYDISPLAY, |
316 | IDC_FPSTATIC, IDC_FINGERPRINT, |
317 | IDC_COMMENTSTATIC, IDC_COMMENTEDIT, |
318 | IDC_PASSPHRASESTATIC, IDC_PASSPHRASEEDIT, 0 }; |
319 | static const char generating_msg[] = |
320 | "Please wait while a key is generated..."; |
321 | static const char entropy_msg[] = |
322 | "Please move the mouse in this window to generate randomness"; |
323 | struct MainDlgState *state; |
324 | |
325 | switch (msg) { |
326 | case WM_INITDIALOG: |
327 | state = malloc(sizeof(*state)); |
328 | state->generation_thread_exists = FALSE; |
329 | state->key_exists = FALSE; |
330 | SetWindowLong(hwnd, GWL_USERDATA, (LONG)state); |
331 | { |
332 | struct ctlpos cp, cp2; |
333 | |
334 | ctlposinit(&cp, hwnd, 10, 10, 10); |
335 | bartitle(&cp, "Public and private key generation for PuTTY", |
336 | IDC_TITLE); |
337 | beginbox(&cp, "Key", |
338 | IDC_BOX_KEY, IDC_BOXT_KEY); |
339 | cp2 = cp; |
340 | statictext(&cp2, "No key.", IDC_NOKEY); |
341 | cp2 = cp; |
342 | statictext(&cp2, "", |
343 | IDC_GENERATING); |
344 | progressbar(&cp2, IDC_PROGRESS); |
345 | bigeditctrl(&cp, |
346 | "&Public key for pasting into authorized_keys file:", |
347 | IDC_PKSTATIC, IDC_KEYDISPLAY, 7); |
348 | SendDlgItemMessage(hwnd, IDC_KEYDISPLAY, EM_SETREADONLY, 1, 0); |
349 | staticedit(&cp, "Key fingerprint:", IDC_FPSTATIC, |
350 | IDC_FINGERPRINT, 70); |
351 | SendDlgItemMessage(hwnd, IDC_FINGERPRINT, EM_SETREADONLY, 1, 0); |
352 | staticedit(&cp, "Key &comment:", IDC_COMMENTSTATIC, |
353 | IDC_COMMENTEDIT, 70); |
354 | staticpassedit(&cp, "Key p&assphrase:", IDC_PASSPHRASESTATIC, |
355 | IDC_PASSPHRASEEDIT, 70); |
356 | endbox(&cp); |
357 | beginbox(&cp, "Actions", |
358 | IDC_BOX_ACTIONS, IDC_BOXT_ACTIONS); |
359 | staticbtn(&cp, "Generate a public/private key pair", |
360 | IDC_GENSTATIC, "&Generate", IDC_GENERATE); |
361 | staticbtn(&cp, "Load an existing private key file", |
362 | IDC_LOADSTATIC, "&Load", IDC_LOAD); |
363 | staticbtn(&cp, "Save the generated key to a new file", |
364 | IDC_SAVESTATIC, "&Save", IDC_SAVE); |
365 | endbox(&cp); |
366 | } |
367 | /* |
368 | * Initially, hide the progress bar and the key display, |
369 | * and show the no-key display. Also disable the Save |
370 | * button, because with no key we obviously can't save |
371 | * anything. |
372 | */ |
373 | hidemany(hwnd, nokey_ids, FALSE); |
374 | hidemany(hwnd, generating_ids, TRUE); |
375 | hidemany(hwnd, gotkey_ids, TRUE); |
376 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0); |
377 | |
378 | return 1; |
379 | case WM_MOUSEMOVE: |
380 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
381 | if (state->collecting_entropy) { |
382 | state->entropy[state->entropy_got++] = lParam; |
383 | state->entropy[state->entropy_got++] = GetMessageTime(); |
384 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, |
385 | state->entropy_got, 0); |
386 | if (state->entropy_got >= state->entropy_required) { |
387 | struct rsa_key_thread_params *params; |
388 | DWORD threadid; |
389 | |
390 | /* |
391 | * Seed the entropy pool |
392 | */ |
393 | random_add_heavynoise(state->entropy, state->entropy_size); |
394 | memset(state->entropy, 0, state->entropy_size); |
395 | free(state->entropy); |
396 | |
397 | SetDlgItemText(hwnd, IDC_GENERATING, generating_msg); |
398 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0, |
399 | MAKELPARAM(0, PROGRESSRANGE)); |
400 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0); |
401 | |
402 | params = malloc(sizeof(*params)); |
403 | params->progressbar = GetDlgItem(hwnd, IDC_PROGRESS); |
404 | params->dialog = hwnd; |
405 | params->key = &state->key; |
406 | params->aux = &state->aux; |
407 | |
408 | if (!CreateThread(NULL, 0, generate_rsa_key_thread, |
409 | params, 0, &threadid)) { |
410 | MessageBox(hwnd, "Out of thread resources", |
411 | "Key generation error", |
412 | MB_OK | MB_ICONERROR); |
413 | free(params); |
414 | } else { |
415 | state->generation_thread_exists = TRUE; |
416 | state->collecting_entropy = FALSE; |
417 | } |
418 | } |
419 | } |
420 | break; |
421 | case WM_COMMAND: |
422 | switch (LOWORD(wParam)) { |
423 | case IDC_COMMENTEDIT: |
424 | if (HIWORD(wParam) == EN_CHANGE) { |
425 | state = (struct MainDlgState *) |
426 | GetWindowLong(hwnd, GWL_USERDATA); |
427 | if (state->key_exists) { |
428 | HWND editctl = GetDlgItem(hwnd, IDC_COMMENTEDIT); |
429 | int len = GetWindowTextLength(editctl); |
430 | if (state->key.comment) |
431 | free(state->key.comment); |
432 | state->key.comment = malloc(len+1); |
433 | GetWindowText(editctl, state->key.comment, len+1); |
434 | } |
435 | } |
436 | break; |
437 | case IDC_ABOUT: |
438 | EnableWindow(hwnd, 0); |
439 | DialogBox (hinst, MAKEINTRESOURCE(213), NULL, AboutProc); |
440 | EnableWindow(hwnd, 1); |
441 | SetActiveWindow(hwnd); |
442 | return 0; |
443 | case IDC_GENERATE: |
444 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
445 | if (!state->generation_thread_exists) { |
446 | hidemany(hwnd, nokey_ids, TRUE); |
447 | hidemany(hwnd, generating_ids, FALSE); |
448 | hidemany(hwnd, gotkey_ids, TRUE); |
449 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 0); |
450 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 0); |
451 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0); |
452 | state->key_exists = FALSE; |
453 | SetDlgItemText(hwnd, IDC_GENERATING, entropy_msg); |
454 | state->collecting_entropy = TRUE; |
455 | |
456 | /* |
457 | * My brief statistical tests on mouse movements |
458 | * suggest that there are about 5 bits of |
459 | * randomness in the x position, 5 in the y |
460 | * position, and 1.7 in the message time, making |
461 | * 11.7 bits of unpredictability per mouse |
462 | * movement. However, other people have told me |
463 | * it's far less than that, so I'm going to be |
464 | * stupidly cautious and knock that down to a nice |
465 | * round 4. |
466 | */ |
467 | state->entropy_required = (KEYSIZE / 4) * 2; |
468 | state->entropy_got = 0; |
469 | state->entropy_size = (state->entropy_required * |
470 | sizeof(*state->entropy)); |
471 | state->entropy = malloc(state->entropy_size); |
472 | |
473 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0, |
474 | MAKELPARAM(0, state->entropy_required)); |
475 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0); |
476 | } |
477 | break; |
478 | case IDC_SAVE: |
479 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
480 | if (state->key_exists) { |
481 | char filename[FILENAME_MAX]; |
482 | char passphrase[PASSPHRASE_MAXLEN]; |
483 | GetDlgItemText(hwnd, IDC_PASSPHRASEEDIT, |
484 | passphrase, sizeof(passphrase)-1); |
485 | if (!*passphrase) { |
486 | int ret; |
487 | ret = MessageBox(hwnd, |
488 | "Are you sure you want to save this key\n" |
489 | "without a passphrase to protect it?", |
490 | "PuTTYgen Warning", |
491 | MB_YESNO | MB_ICONWARNING); |
492 | if (ret != IDYES) |
493 | break; |
494 | } |
495 | if (prompt_keyfile(hwnd, "Save private key as:", |
496 | filename, 1)) { |
497 | /* FIXME: prompt before overwriting */ |
498 | saversakey(filename, &state->key, &state->aux, |
499 | *passphrase ? passphrase : NULL); |
500 | /* FIXME: check return value */ |
501 | } |
502 | } |
503 | break; |
504 | case IDC_LOAD: |
505 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
506 | if (!state->generation_thread_exists) { |
507 | char filename[FILENAME_MAX]; |
508 | if (prompt_keyfile(hwnd, "Load private key:", |
509 | filename, 0)) { |
510 | char passphrase[PASSPHRASE_MAXLEN]; |
511 | int needs_pass; |
512 | int ret; |
513 | char *comment; |
514 | struct PassphraseProcStruct pps; |
515 | struct RSAKey newkey; |
516 | struct RSAAux newaux; |
517 | |
518 | needs_pass = rsakey_encrypted(filename, &comment); |
519 | pps.passphrase = passphrase; |
520 | pps.comment = comment; |
521 | do { |
522 | if (needs_pass) { |
523 | int dlgret; |
524 | dlgret = DialogBoxParam(hinst, |
525 | MAKEINTRESOURCE(210), |
526 | NULL, PassphraseProc, |
527 | (LPARAM)&pps); |
528 | if (!dlgret) { |
529 | ret = -2; |
530 | break; |
531 | } |
532 | } else |
533 | *passphrase = '\0'; |
534 | ret = loadrsakey(filename, &newkey, &newaux, |
535 | passphrase); |
536 | } while (ret == -1); |
537 | if (comment) free(comment); |
538 | if (ret == 0) { |
539 | MessageBox(NULL, "Couldn't load private key.", |
540 | "PuTTYgen Error", MB_OK | MB_ICONERROR); |
541 | } else if (ret == 1) { |
542 | state->key = newkey; |
543 | state->aux = newaux; |
544 | |
545 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1); |
546 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1); |
547 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1); |
548 | /* |
549 | * Now update the key controls with all the |
550 | * key data. |
551 | */ |
552 | { |
553 | char buf[128]; |
554 | SetDlgItemText(hwnd, IDC_PASSPHRASEEDIT, |
555 | passphrase); |
556 | SetDlgItemText(hwnd, IDC_COMMENTEDIT, |
557 | state->key.comment); |
558 | /* |
559 | * Set the key fingerprint. |
560 | */ |
561 | { |
562 | char *savecomment = state->key.comment; |
563 | state->key.comment = NULL; |
564 | rsa_fingerprint(buf, sizeof(buf), &state->key); |
565 | state->key.comment = savecomment; |
566 | } |
567 | SetDlgItemText(hwnd, IDC_FINGERPRINT, buf); |
568 | /* |
569 | * Construct a decimal representation |
570 | * of the key, for pasting into |
571 | * .ssh/authorized_keys on a Unix box. |
572 | */ |
573 | setupbigedit(hwnd, IDC_KEYDISPLAY, &state->key); |
574 | } |
575 | /* |
576 | * Finally, hide the progress bar and show |
577 | * the key data. |
578 | */ |
579 | hidemany(hwnd, nokey_ids, TRUE); |
580 | hidemany(hwnd, generating_ids, TRUE); |
581 | hidemany(hwnd, gotkey_ids, FALSE); |
582 | state->key_exists = TRUE; |
583 | } |
584 | } |
585 | } |
586 | break; |
587 | } |
588 | return 0; |
589 | case WM_DONEKEY: |
590 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
591 | state->generation_thread_exists = FALSE; |
592 | state->key_exists = TRUE; |
593 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, PROGRESSRANGE, 0); |
594 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1); |
595 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1); |
596 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1); |
597 | /* |
598 | * Invent a comment for the key. We'll do this by including |
599 | * the date in it. This will be so horrifyingly ugly that |
600 | * the user will immediately want to change it, which is |
601 | * what we want :-) |
602 | */ |
603 | state->key.comment = malloc(30); |
604 | { |
605 | time_t t; |
606 | struct tm *tm; |
607 | time(&t); |
608 | tm = localtime(&t); |
609 | strftime(state->key.comment, 30, "rsa-key-%Y%m%d", tm); |
610 | } |
611 | |
612 | /* |
613 | * Now update the key controls with all the key data. |
614 | */ |
615 | { |
616 | char buf[128]; |
617 | /* |
618 | * Blank passphrase, initially. This isn't dangerous, |
619 | * because we will warn (Are You Sure?) before allowing |
620 | * the user to save an unprotected private key. |
621 | */ |
622 | SetDlgItemText(hwnd, IDC_PASSPHRASEEDIT, ""); |
623 | /* |
624 | * Set the comment. |
625 | */ |
626 | SetDlgItemText(hwnd, IDC_COMMENTEDIT, state->key.comment); |
627 | /* |
628 | * Set the key fingerprint. |
629 | */ |
630 | { |
631 | char *savecomment = state->key.comment; |
632 | state->key.comment = NULL; |
633 | rsa_fingerprint(buf, sizeof(buf), &state->key); |
634 | state->key.comment = savecomment; |
635 | } |
636 | SetDlgItemText(hwnd, IDC_FINGERPRINT, buf); |
637 | /* |
638 | * Construct a decimal representation of the key, for |
639 | * pasting into .ssh/authorized_keys on a Unix box. |
640 | */ |
641 | setupbigedit(hwnd, IDC_KEYDISPLAY, &state->key); |
642 | } |
643 | /* |
644 | * Finally, hide the progress bar and show the key data. |
645 | */ |
646 | hidemany(hwnd, nokey_ids, TRUE); |
647 | hidemany(hwnd, generating_ids, TRUE); |
648 | hidemany(hwnd, gotkey_ids, FALSE); |
649 | break; |
650 | case WM_CLOSE: |
651 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
652 | free(state); |
653 | EndDialog(hwnd, 1); |
654 | return 0; |
655 | } |
656 | return 0; |
657 | } |
658 | |
659 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) { |
8b8cf871 |
660 | InitCommonControls(); |
6e522441 |
661 | hinst = inst; |
662 | random_init(); |
663 | return DialogBox(hinst, MAKEINTRESOURCE(201), NULL, MainDlgProc) != IDOK; |
664 | } |