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 | |
0c2986d0 |
21 | #define DEFAULT_KEYSIZE 1024 |
6e522441 |
22 | |
23 | /* |
24 | * TODO: |
6e522441 |
25 | * - test the generated keys for actual working-RSA-key-hood |
6e522441 |
26 | */ |
27 | |
28 | /* ---------------------------------------------------------------------- |
29 | * Progress report code. This is really horrible :-) |
30 | */ |
31 | #define PHASE1TOTAL 0x10000 |
32 | #define PHASE2TOTAL 0x10000 |
33 | #define PHASE3TOTAL 0x04000 |
34 | #define PHASE1START 0 |
35 | #define PHASE2START (PHASE1TOTAL) |
36 | #define PHASE3START (PHASE1TOTAL + PHASE2TOTAL) |
37 | #define TOTALTOTAL (PHASE1TOTAL + PHASE2TOTAL + PHASE3TOTAL) |
38 | #define PROGRESSBIGRANGE 65535 |
39 | #define DIVISOR ((TOTALTOTAL + PROGRESSBIGRANGE - 1) / PROGRESSBIGRANGE) |
40 | #define PROGRESSRANGE (TOTALTOTAL / DIVISOR) |
41 | struct progress { |
42 | unsigned phase1param, phase1current, phase1n; |
43 | unsigned phase2param, phase2current, phase2n; |
44 | unsigned phase3mult; |
45 | HWND progbar; |
46 | }; |
47 | |
48 | static void progress_update(void *param, int phase, int iprogress) { |
49 | struct progress *p = (struct progress *)param; |
50 | unsigned progress = iprogress; |
51 | int position; |
52 | |
53 | switch (phase) { |
54 | case -1: |
55 | p->phase1param = 0x10000 + progress; |
56 | p->phase1current = 0x10000; p->phase1n = 0; |
57 | return; |
58 | case -2: |
59 | p->phase2param = 0x10000 + progress; |
60 | p->phase2current = 0x10000; p->phase2n = 0; |
61 | return; |
62 | case -3: |
63 | p->phase3mult = PHASE3TOTAL / progress; |
64 | return; |
65 | case 1: |
66 | while (p->phase1n < progress) { |
67 | p->phase1n++; |
68 | p->phase1current *= p->phase1param; |
69 | p->phase1current /= 0x10000; |
70 | } |
71 | position = PHASE1START + 0x10000 - p->phase1current; |
72 | break; |
73 | case 2: |
74 | while (p->phase2n < progress) { |
75 | p->phase2n++; |
76 | p->phase2current *= p->phase2param; |
77 | p->phase2current /= 0x10000; |
78 | } |
79 | position = PHASE2START + 0x10000 - p->phase2current; |
80 | break; |
81 | case 3: |
82 | position = PHASE3START + progress * p->phase3mult; |
83 | break; |
84 | } |
85 | |
86 | SendMessage(p->progbar, PBM_SETPOS, position / DIVISOR, 0); |
87 | } |
88 | |
89 | extern char ver[]; |
90 | |
91 | #define PASSPHRASE_MAXLEN 512 |
92 | |
93 | struct PassphraseProcStruct { |
94 | char *passphrase; |
95 | char *comment; |
96 | }; |
97 | |
98 | /* |
99 | * Dialog-box function for the passphrase box. |
100 | */ |
101 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
102 | WPARAM wParam, LPARAM lParam) { |
103 | static char *passphrase; |
104 | struct PassphraseProcStruct *p; |
105 | |
106 | switch (msg) { |
107 | case WM_INITDIALOG: |
108 | SetForegroundWindow(hwnd); |
109 | SetWindowPos (hwnd, HWND_TOP, 0, 0, 0, 0, |
110 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
111 | p = (struct PassphraseProcStruct *)lParam; |
112 | passphrase = p->passphrase; |
113 | if (p->comment) |
114 | SetDlgItemText(hwnd, 101, p->comment); |
115 | *passphrase = 0; |
116 | return 0; |
117 | case WM_COMMAND: |
118 | switch (LOWORD(wParam)) { |
119 | case IDOK: |
120 | if (*passphrase) |
121 | EndDialog (hwnd, 1); |
122 | else |
123 | MessageBeep (0); |
124 | return 0; |
125 | case IDCANCEL: |
126 | EndDialog (hwnd, 0); |
127 | return 0; |
128 | case 102: /* edit box */ |
129 | if (HIWORD(wParam) == EN_CHANGE) { |
130 | GetDlgItemText (hwnd, 102, passphrase, PASSPHRASE_MAXLEN-1); |
131 | passphrase[PASSPHRASE_MAXLEN-1] = '\0'; |
132 | } |
133 | return 0; |
134 | } |
135 | return 0; |
136 | case WM_CLOSE: |
137 | EndDialog (hwnd, 0); |
138 | return 0; |
139 | } |
140 | return 0; |
141 | } |
142 | |
143 | /* |
144 | * Prompt for a key file. Assumes the filename buffer is of size |
145 | * FILENAME_MAX. |
146 | */ |
147 | static int prompt_keyfile(HWND hwnd, char *dlgtitle, |
148 | char *filename, int save) { |
149 | OPENFILENAME of; |
150 | memset(&of, 0, sizeof(of)); |
151 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
152 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
153 | #else |
154 | of.lStructSize = sizeof(of); |
155 | #endif |
156 | of.hwndOwner = hwnd; |
157 | of.lpstrFilter = "All Files\0*\0\0\0"; |
158 | of.lpstrCustomFilter = NULL; |
159 | of.nFilterIndex = 1; |
160 | of.lpstrFile = filename; *filename = '\0'; |
161 | of.nMaxFile = FILENAME_MAX; |
162 | of.lpstrFileTitle = NULL; |
163 | of.lpstrInitialDir = NULL; |
164 | of.lpstrTitle = dlgtitle; |
165 | of.Flags = 0; |
166 | if (save) |
167 | return GetSaveFileName(&of); |
168 | else |
169 | return GetOpenFileName(&of); |
170 | } |
171 | |
172 | /* |
173 | * This function is needed to link with the DES code. We need not |
174 | * have it do anything at all. |
175 | */ |
176 | void logevent(char *msg) { |
177 | } |
178 | |
179 | /* |
180 | * Dialog-box function for the Licence box. |
181 | */ |
182 | static int CALLBACK LicenceProc (HWND hwnd, UINT msg, |
183 | WPARAM wParam, LPARAM lParam) { |
184 | switch (msg) { |
185 | case WM_INITDIALOG: |
186 | return 1; |
187 | case WM_COMMAND: |
188 | switch (LOWORD(wParam)) { |
189 | case IDOK: |
190 | EndDialog(hwnd, 1); |
191 | return 0; |
192 | } |
193 | return 0; |
194 | case WM_CLOSE: |
195 | EndDialog(hwnd, 1); |
196 | return 0; |
197 | } |
198 | return 0; |
199 | } |
200 | |
201 | /* |
202 | * Dialog-box function for the About box. |
203 | */ |
204 | static int CALLBACK AboutProc (HWND hwnd, UINT msg, |
205 | WPARAM wParam, LPARAM lParam) { |
206 | switch (msg) { |
207 | case WM_INITDIALOG: |
208 | SetDlgItemText (hwnd, 100, ver); |
209 | return 1; |
210 | case WM_COMMAND: |
211 | switch (LOWORD(wParam)) { |
212 | case IDOK: |
213 | EndDialog(hwnd, 1); |
214 | return 0; |
215 | case 101: |
216 | EnableWindow(hwnd, 0); |
217 | DialogBox (hinst, MAKEINTRESOURCE(214), NULL, LicenceProc); |
218 | EnableWindow(hwnd, 1); |
219 | SetActiveWindow(hwnd); |
220 | return 0; |
221 | } |
222 | return 0; |
223 | case WM_CLOSE: |
224 | EndDialog(hwnd, 1); |
225 | return 0; |
226 | } |
227 | return 0; |
228 | } |
229 | |
230 | /* |
231 | * Thread to generate a key. |
232 | */ |
233 | struct rsa_key_thread_params { |
234 | HWND progressbar; /* notify this with progress */ |
235 | HWND dialog; /* notify this on completion */ |
0c2986d0 |
236 | int keysize; /* bits in key */ |
6e522441 |
237 | struct RSAKey *key; |
238 | struct RSAAux *aux; |
239 | }; |
240 | static DWORD WINAPI generate_rsa_key_thread(void *param) { |
241 | struct rsa_key_thread_params *params = |
242 | (struct rsa_key_thread_params *)param; |
243 | struct progress prog; |
244 | prog.progbar = params->progressbar; |
245 | |
0c2986d0 |
246 | rsa_generate(params->key, params->aux, |
247 | params->keysize, progress_update, &prog); |
6e522441 |
248 | |
249 | PostMessage(params->dialog, WM_DONEKEY, 0, 0); |
250 | |
251 | free(params); |
252 | return 0; |
253 | } |
254 | |
255 | struct MainDlgState { |
256 | int collecting_entropy; |
257 | int generation_thread_exists; |
258 | int key_exists; |
259 | int entropy_got, entropy_required, entropy_size; |
0c2986d0 |
260 | int keysize; |
6e522441 |
261 | unsigned *entropy; |
262 | struct RSAKey key; |
263 | struct RSAAux aux; |
264 | }; |
265 | |
266 | static void hidemany(HWND hwnd, const int *ids, int hideit) { |
267 | while (*ids) { |
268 | ShowWindow(GetDlgItem(hwnd, *ids++), (hideit ? SW_HIDE : SW_SHOW)); |
269 | } |
270 | } |
271 | |
272 | static void setupbigedit(HWND hwnd, int id, struct RSAKey *key) { |
273 | char *buffer; |
274 | char *dec1, *dec2; |
275 | |
276 | dec1 = bignum_decimal(key->exponent); |
277 | dec2 = bignum_decimal(key->modulus); |
278 | buffer = malloc(strlen(dec1)+strlen(dec2)+ |
279 | strlen(key->comment)+30); |
280 | sprintf(buffer, "%d %s %s %s", |
281 | ssh1_bignum_bitcount(key->modulus), |
282 | dec1, dec2, key->comment); |
283 | SetDlgItemText(hwnd, id, buffer); |
284 | free(dec1); |
285 | free(dec2); |
286 | free(buffer); |
287 | } |
288 | |
289 | /* |
290 | * Dialog-box function for the main PuTTYgen dialog box. |
291 | */ |
292 | static int CALLBACK MainDlgProc (HWND hwnd, UINT msg, |
293 | WPARAM wParam, LPARAM lParam) { |
294 | enum { |
295 | controlidstart = 100, |
296 | IDC_TITLE, |
297 | IDC_BOX_KEY, IDC_BOXT_KEY, |
298 | IDC_NOKEY, |
299 | IDC_GENERATING, |
300 | IDC_PROGRESS, |
301 | IDC_PKSTATIC, IDC_KEYDISPLAY, |
302 | IDC_FPSTATIC, IDC_FINGERPRINT, |
303 | IDC_COMMENTSTATIC, IDC_COMMENTEDIT, |
a5470c60 |
304 | IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT, |
305 | IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, |
6e522441 |
306 | IDC_BOX_ACTIONS, IDC_BOXT_ACTIONS, |
307 | IDC_GENSTATIC, IDC_GENERATE, |
308 | IDC_LOADSTATIC, IDC_LOAD, |
309 | IDC_SAVESTATIC, IDC_SAVE, |
0c2986d0 |
310 | IDC_BOX_PARAMS, IDC_BOXT_PARAMS, |
311 | IDC_BITSSTATIC, IDC_BITS, |
6e522441 |
312 | IDC_ABOUT, |
313 | }; |
314 | static const int nokey_ids[] = { IDC_NOKEY, 0 }; |
315 | static const int generating_ids[] = { IDC_GENERATING, IDC_PROGRESS, 0 }; |
316 | static const int gotkey_ids[] = { |
317 | IDC_PKSTATIC, IDC_KEYDISPLAY, |
318 | IDC_FPSTATIC, IDC_FINGERPRINT, |
319 | IDC_COMMENTSTATIC, IDC_COMMENTEDIT, |
a5470c60 |
320 | IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT, |
321 | IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, 0 }; |
6e522441 |
322 | static const char generating_msg[] = |
323 | "Please wait while a key is generated..."; |
324 | static const char entropy_msg[] = |
325 | "Please move the mouse in this window to generate randomness"; |
326 | struct MainDlgState *state; |
327 | |
328 | switch (msg) { |
329 | case WM_INITDIALOG: |
330 | state = malloc(sizeof(*state)); |
331 | state->generation_thread_exists = FALSE; |
332 | state->key_exists = FALSE; |
333 | SetWindowLong(hwnd, GWL_USERDATA, (LONG)state); |
334 | { |
335 | struct ctlpos cp, cp2; |
336 | |
a5470c60 |
337 | /* Accelerators used: acglops */ |
338 | |
6e522441 |
339 | ctlposinit(&cp, hwnd, 10, 10, 10); |
340 | bartitle(&cp, "Public and private key generation for PuTTY", |
341 | IDC_TITLE); |
342 | beginbox(&cp, "Key", |
343 | IDC_BOX_KEY, IDC_BOXT_KEY); |
344 | cp2 = cp; |
345 | statictext(&cp2, "No key.", IDC_NOKEY); |
346 | cp2 = cp; |
347 | statictext(&cp2, "", |
348 | IDC_GENERATING); |
349 | progressbar(&cp2, IDC_PROGRESS); |
350 | bigeditctrl(&cp, |
351 | "&Public key for pasting into authorized_keys file:", |
352 | IDC_PKSTATIC, IDC_KEYDISPLAY, 7); |
353 | SendDlgItemMessage(hwnd, IDC_KEYDISPLAY, EM_SETREADONLY, 1, 0); |
354 | staticedit(&cp, "Key fingerprint:", IDC_FPSTATIC, |
355 | IDC_FINGERPRINT, 70); |
356 | SendDlgItemMessage(hwnd, IDC_FINGERPRINT, EM_SETREADONLY, 1, 0); |
357 | staticedit(&cp, "Key &comment:", IDC_COMMENTSTATIC, |
358 | IDC_COMMENTEDIT, 70); |
a5470c60 |
359 | staticpassedit(&cp, "Key p&assphrase:", IDC_PASSPHRASE1STATIC, |
360 | IDC_PASSPHRASE1EDIT, 70); |
361 | staticpassedit(&cp, "C&onfirm passphrase:", IDC_PASSPHRASE2STATIC, |
362 | IDC_PASSPHRASE2EDIT, 70); |
6e522441 |
363 | endbox(&cp); |
364 | beginbox(&cp, "Actions", |
365 | IDC_BOX_ACTIONS, IDC_BOXT_ACTIONS); |
366 | staticbtn(&cp, "Generate a public/private key pair", |
367 | IDC_GENSTATIC, "&Generate", IDC_GENERATE); |
368 | staticbtn(&cp, "Load an existing private key file", |
369 | IDC_LOADSTATIC, "&Load", IDC_LOAD); |
370 | staticbtn(&cp, "Save the generated key to a new file", |
371 | IDC_SAVESTATIC, "&Save", IDC_SAVE); |
372 | endbox(&cp); |
0c2986d0 |
373 | beginbox(&cp, "Actions", |
374 | IDC_BOX_ACTIONS, IDC_BOXT_ACTIONS); |
375 | staticedit(&cp, "Length of generated keys in &bits:", |
376 | IDC_BITSSTATIC, IDC_BITS, 20); |
377 | endbox(&cp); |
6e522441 |
378 | } |
0c2986d0 |
379 | SetDlgItemInt(hwnd, IDC_BITS, DEFAULT_KEYSIZE, FALSE); |
380 | |
6e522441 |
381 | /* |
382 | * Initially, hide the progress bar and the key display, |
383 | * and show the no-key display. Also disable the Save |
384 | * button, because with no key we obviously can't save |
385 | * anything. |
386 | */ |
387 | hidemany(hwnd, nokey_ids, FALSE); |
388 | hidemany(hwnd, generating_ids, TRUE); |
389 | hidemany(hwnd, gotkey_ids, TRUE); |
390 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0); |
391 | |
392 | return 1; |
393 | case WM_MOUSEMOVE: |
394 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
395 | if (state->collecting_entropy) { |
396 | state->entropy[state->entropy_got++] = lParam; |
397 | state->entropy[state->entropy_got++] = GetMessageTime(); |
398 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, |
399 | state->entropy_got, 0); |
400 | if (state->entropy_got >= state->entropy_required) { |
401 | struct rsa_key_thread_params *params; |
402 | DWORD threadid; |
403 | |
404 | /* |
405 | * Seed the entropy pool |
406 | */ |
407 | random_add_heavynoise(state->entropy, state->entropy_size); |
408 | memset(state->entropy, 0, state->entropy_size); |
409 | free(state->entropy); |
410 | |
411 | SetDlgItemText(hwnd, IDC_GENERATING, generating_msg); |
412 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0, |
413 | MAKELPARAM(0, PROGRESSRANGE)); |
414 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0); |
415 | |
416 | params = malloc(sizeof(*params)); |
417 | params->progressbar = GetDlgItem(hwnd, IDC_PROGRESS); |
418 | params->dialog = hwnd; |
0c2986d0 |
419 | params->keysize = state->keysize; |
6e522441 |
420 | params->key = &state->key; |
421 | params->aux = &state->aux; |
422 | |
423 | if (!CreateThread(NULL, 0, generate_rsa_key_thread, |
424 | params, 0, &threadid)) { |
425 | MessageBox(hwnd, "Out of thread resources", |
426 | "Key generation error", |
427 | MB_OK | MB_ICONERROR); |
428 | free(params); |
429 | } else { |
430 | state->generation_thread_exists = TRUE; |
431 | state->collecting_entropy = FALSE; |
432 | } |
433 | } |
434 | } |
435 | break; |
436 | case WM_COMMAND: |
437 | switch (LOWORD(wParam)) { |
438 | case IDC_COMMENTEDIT: |
439 | if (HIWORD(wParam) == EN_CHANGE) { |
440 | state = (struct MainDlgState *) |
441 | GetWindowLong(hwnd, GWL_USERDATA); |
442 | if (state->key_exists) { |
443 | HWND editctl = GetDlgItem(hwnd, IDC_COMMENTEDIT); |
444 | int len = GetWindowTextLength(editctl); |
445 | if (state->key.comment) |
446 | free(state->key.comment); |
447 | state->key.comment = malloc(len+1); |
448 | GetWindowText(editctl, state->key.comment, len+1); |
449 | } |
450 | } |
451 | break; |
452 | case IDC_ABOUT: |
453 | EnableWindow(hwnd, 0); |
454 | DialogBox (hinst, MAKEINTRESOURCE(213), NULL, AboutProc); |
455 | EnableWindow(hwnd, 1); |
456 | SetActiveWindow(hwnd); |
457 | return 0; |
458 | case IDC_GENERATE: |
459 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
460 | if (!state->generation_thread_exists) { |
461 | hidemany(hwnd, nokey_ids, TRUE); |
462 | hidemany(hwnd, generating_ids, FALSE); |
463 | hidemany(hwnd, gotkey_ids, TRUE); |
464 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 0); |
465 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 0); |
466 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0); |
467 | state->key_exists = FALSE; |
468 | SetDlgItemText(hwnd, IDC_GENERATING, entropy_msg); |
469 | state->collecting_entropy = TRUE; |
0c2986d0 |
470 | { |
471 | BOOL ok; |
472 | state->keysize = GetDlgItemInt(hwnd, IDC_BITS, |
473 | &ok, FALSE); |
474 | if (!ok) state->keysize = DEFAULT_KEYSIZE; |
475 | } |
6e522441 |
476 | |
477 | /* |
478 | * My brief statistical tests on mouse movements |
479 | * suggest that there are about 5 bits of |
480 | * randomness in the x position, 5 in the y |
481 | * position, and 1.7 in the message time, making |
482 | * 11.7 bits of unpredictability per mouse |
483 | * movement. However, other people have told me |
484 | * it's far less than that, so I'm going to be |
485 | * stupidly cautious and knock that down to a nice |
486 | * round 4. |
487 | */ |
0c2986d0 |
488 | state->entropy_required = (state->keysize / 4) * 2; |
6e522441 |
489 | state->entropy_got = 0; |
490 | state->entropy_size = (state->entropy_required * |
491 | sizeof(*state->entropy)); |
492 | state->entropy = malloc(state->entropy_size); |
493 | |
494 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0, |
495 | MAKELPARAM(0, state->entropy_required)); |
496 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0); |
497 | } |
498 | break; |
499 | case IDC_SAVE: |
500 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
501 | if (state->key_exists) { |
502 | char filename[FILENAME_MAX]; |
503 | char passphrase[PASSPHRASE_MAXLEN]; |
a5470c60 |
504 | char passphrase2[PASSPHRASE_MAXLEN]; |
505 | GetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, |
506 | passphrase, sizeof(passphrase)); |
507 | GetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, |
508 | passphrase2, sizeof(passphrase2)); |
509 | if (strcmp(passphrase, passphrase2)) { |
510 | MessageBox(hwnd, |
511 | "The two passphrases given do not match.", |
512 | "PuTTYgen Error", |
513 | MB_OK | MB_ICONERROR); |
514 | break; |
515 | } |
6e522441 |
516 | if (!*passphrase) { |
517 | int ret; |
518 | ret = MessageBox(hwnd, |
519 | "Are you sure you want to save this key\n" |
520 | "without a passphrase to protect it?", |
521 | "PuTTYgen Warning", |
522 | MB_YESNO | MB_ICONWARNING); |
523 | if (ret != IDYES) |
524 | break; |
525 | } |
526 | if (prompt_keyfile(hwnd, "Save private key as:", |
527 | filename, 1)) { |
bdea0743 |
528 | int ret; |
18790478 |
529 | FILE *fp = fopen(filename, "r"); |
530 | if (fp) { |
18790478 |
531 | char buffer[FILENAME_MAX+80]; |
532 | fclose(fp); |
533 | sprintf(buffer, "Overwrite existing file\n%.*s?", |
534 | FILENAME_MAX, filename); |
535 | ret = MessageBox(hwnd, buffer, "PuTTYgen Warning", |
536 | MB_YESNO | MB_ICONWARNING); |
537 | if (ret != IDYES) |
538 | break; |
539 | } |
bdea0743 |
540 | ret = saversakey(filename, &state->key, &state->aux, |
541 | *passphrase ? passphrase : NULL); |
542 | if (ret <= 0) { |
543 | MessageBox(hwnd, "Unable to save key file", |
544 | "PuTTYgen Error", |
545 | MB_OK | MB_ICONERROR); |
546 | } |
6e522441 |
547 | } |
548 | } |
549 | break; |
550 | case IDC_LOAD: |
551 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
552 | if (!state->generation_thread_exists) { |
553 | char filename[FILENAME_MAX]; |
554 | if (prompt_keyfile(hwnd, "Load private key:", |
555 | filename, 0)) { |
556 | char passphrase[PASSPHRASE_MAXLEN]; |
557 | int needs_pass; |
558 | int ret; |
559 | char *comment; |
560 | struct PassphraseProcStruct pps; |
561 | struct RSAKey newkey; |
562 | struct RSAAux newaux; |
563 | |
564 | needs_pass = rsakey_encrypted(filename, &comment); |
565 | pps.passphrase = passphrase; |
566 | pps.comment = comment; |
567 | do { |
568 | if (needs_pass) { |
569 | int dlgret; |
570 | dlgret = DialogBoxParam(hinst, |
571 | MAKEINTRESOURCE(210), |
572 | NULL, PassphraseProc, |
573 | (LPARAM)&pps); |
574 | if (!dlgret) { |
575 | ret = -2; |
576 | break; |
577 | } |
578 | } else |
579 | *passphrase = '\0'; |
580 | ret = loadrsakey(filename, &newkey, &newaux, |
581 | passphrase); |
582 | } while (ret == -1); |
583 | if (comment) free(comment); |
584 | if (ret == 0) { |
585 | MessageBox(NULL, "Couldn't load private key.", |
586 | "PuTTYgen Error", MB_OK | MB_ICONERROR); |
587 | } else if (ret == 1) { |
588 | state->key = newkey; |
589 | state->aux = newaux; |
590 | |
591 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1); |
592 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1); |
593 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1); |
594 | /* |
595 | * Now update the key controls with all the |
596 | * key data. |
597 | */ |
598 | { |
599 | char buf[128]; |
a5470c60 |
600 | SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, |
601 | passphrase); |
602 | SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, |
6e522441 |
603 | passphrase); |
604 | SetDlgItemText(hwnd, IDC_COMMENTEDIT, |
605 | state->key.comment); |
606 | /* |
607 | * Set the key fingerprint. |
608 | */ |
609 | { |
610 | char *savecomment = state->key.comment; |
611 | state->key.comment = NULL; |
612 | rsa_fingerprint(buf, sizeof(buf), &state->key); |
613 | state->key.comment = savecomment; |
614 | } |
615 | SetDlgItemText(hwnd, IDC_FINGERPRINT, buf); |
616 | /* |
617 | * Construct a decimal representation |
618 | * of the key, for pasting into |
619 | * .ssh/authorized_keys on a Unix box. |
620 | */ |
621 | setupbigedit(hwnd, IDC_KEYDISPLAY, &state->key); |
622 | } |
623 | /* |
624 | * Finally, hide the progress bar and show |
625 | * the key data. |
626 | */ |
627 | hidemany(hwnd, nokey_ids, TRUE); |
628 | hidemany(hwnd, generating_ids, TRUE); |
629 | hidemany(hwnd, gotkey_ids, FALSE); |
630 | state->key_exists = TRUE; |
631 | } |
632 | } |
633 | } |
634 | break; |
635 | } |
636 | return 0; |
637 | case WM_DONEKEY: |
638 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
639 | state->generation_thread_exists = FALSE; |
640 | state->key_exists = TRUE; |
641 | SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, PROGRESSRANGE, 0); |
642 | EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1); |
643 | EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1); |
644 | EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1); |
645 | /* |
646 | * Invent a comment for the key. We'll do this by including |
647 | * the date in it. This will be so horrifyingly ugly that |
648 | * the user will immediately want to change it, which is |
649 | * what we want :-) |
650 | */ |
651 | state->key.comment = malloc(30); |
652 | { |
653 | time_t t; |
654 | struct tm *tm; |
655 | time(&t); |
656 | tm = localtime(&t); |
657 | strftime(state->key.comment, 30, "rsa-key-%Y%m%d", tm); |
658 | } |
659 | |
660 | /* |
661 | * Now update the key controls with all the key data. |
662 | */ |
663 | { |
664 | char buf[128]; |
665 | /* |
666 | * Blank passphrase, initially. This isn't dangerous, |
667 | * because we will warn (Are You Sure?) before allowing |
668 | * the user to save an unprotected private key. |
669 | */ |
a5470c60 |
670 | SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, ""); |
671 | SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, ""); |
6e522441 |
672 | /* |
673 | * Set the comment. |
674 | */ |
675 | SetDlgItemText(hwnd, IDC_COMMENTEDIT, state->key.comment); |
676 | /* |
677 | * Set the key fingerprint. |
678 | */ |
679 | { |
680 | char *savecomment = state->key.comment; |
681 | state->key.comment = NULL; |
682 | rsa_fingerprint(buf, sizeof(buf), &state->key); |
683 | state->key.comment = savecomment; |
684 | } |
685 | SetDlgItemText(hwnd, IDC_FINGERPRINT, buf); |
686 | /* |
687 | * Construct a decimal representation of the key, for |
688 | * pasting into .ssh/authorized_keys on a Unix box. |
689 | */ |
690 | setupbigedit(hwnd, IDC_KEYDISPLAY, &state->key); |
691 | } |
692 | /* |
693 | * Finally, hide the progress bar and show the key data. |
694 | */ |
695 | hidemany(hwnd, nokey_ids, TRUE); |
696 | hidemany(hwnd, generating_ids, TRUE); |
697 | hidemany(hwnd, gotkey_ids, FALSE); |
698 | break; |
699 | case WM_CLOSE: |
700 | state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA); |
701 | free(state); |
702 | EndDialog(hwnd, 1); |
703 | return 0; |
704 | } |
705 | return 0; |
706 | } |
707 | |
708 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) { |
8b8cf871 |
709 | InitCommonControls(); |
6e522441 |
710 | hinst = inst; |
711 | random_init(); |
712 | return DialogBox(hinst, MAKEINTRESOURCE(201), NULL, MainDlgProc) != IDOK; |
713 | } |