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Improve SSH2 host key abstraction into a generic `signing key'
[sgt/putty] / puttygen.c
CommitLineData
6e522441 1/*
2 * PuTTY key generation front end.
3 */
4
5#include <windows.h>
6#include <commctrl.h>
7#include <time.h>
6e522441 8#include <stdio.h>
49bad831 9#include <stdlib.h>
6e522441 10
11#define PUTTY_DO_GLOBALS
12
13#include "putty.h"
14#include "ssh.h"
15#include "winstuff.h"
16
17#define WM_DONEKEY (WM_XUSER + 1)
18
0c2986d0 19#define DEFAULT_KEYSIZE 1024
6e522441 20
6e522441 21/* ----------------------------------------------------------------------
22 * Progress report code. This is really horrible :-)
23 */
24#define PHASE1TOTAL 0x10000
25#define PHASE2TOTAL 0x10000
26#define PHASE3TOTAL 0x04000
27#define PHASE1START 0
28#define PHASE2START (PHASE1TOTAL)
29#define PHASE3START (PHASE1TOTAL + PHASE2TOTAL)
30#define TOTALTOTAL (PHASE1TOTAL + PHASE2TOTAL + PHASE3TOTAL)
31#define PROGRESSBIGRANGE 65535
32#define DIVISOR ((TOTALTOTAL + PROGRESSBIGRANGE - 1) / PROGRESSBIGRANGE)
33#define PROGRESSRANGE (TOTALTOTAL / DIVISOR)
34struct progress {
35 unsigned phase1param, phase1current, phase1n;
36 unsigned phase2param, phase2current, phase2n;
37 unsigned phase3mult;
38 HWND progbar;
39};
40
41static void progress_update(void *param, int phase, int iprogress) {
42 struct progress *p = (struct progress *)param;
43 unsigned progress = iprogress;
44 int position;
45
46 switch (phase) {
47 case -1:
48 p->phase1param = 0x10000 + progress;
49 p->phase1current = 0x10000; p->phase1n = 0;
50 return;
51 case -2:
52 p->phase2param = 0x10000 + progress;
53 p->phase2current = 0x10000; p->phase2n = 0;
54 return;
55 case -3:
56 p->phase3mult = PHASE3TOTAL / progress;
57 return;
58 case 1:
59 while (p->phase1n < progress) {
60 p->phase1n++;
61 p->phase1current *= p->phase1param;
62 p->phase1current /= 0x10000;
63 }
64 position = PHASE1START + 0x10000 - p->phase1current;
65 break;
66 case 2:
67 while (p->phase2n < progress) {
68 p->phase2n++;
69 p->phase2current *= p->phase2param;
70 p->phase2current /= 0x10000;
71 }
72 position = PHASE2START + 0x10000 - p->phase2current;
73 break;
74 case 3:
75 position = PHASE3START + progress * p->phase3mult;
76 break;
77 }
78
79 SendMessage(p->progbar, PBM_SETPOS, position / DIVISOR, 0);
80}
81
82extern char ver[];
83
84#define PASSPHRASE_MAXLEN 512
85
86struct PassphraseProcStruct {
87 char *passphrase;
88 char *comment;
89};
90
91/*
92 * Dialog-box function for the passphrase box.
93 */
94static int CALLBACK PassphraseProc(HWND hwnd, UINT msg,
95 WPARAM wParam, LPARAM lParam) {
96 static char *passphrase;
97 struct PassphraseProcStruct *p;
98
99 switch (msg) {
100 case WM_INITDIALOG:
101 SetForegroundWindow(hwnd);
102 SetWindowPos (hwnd, HWND_TOP, 0, 0, 0, 0,
103 SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
104 p = (struct PassphraseProcStruct *)lParam;
105 passphrase = p->passphrase;
106 if (p->comment)
107 SetDlgItemText(hwnd, 101, p->comment);
108 *passphrase = 0;
109 return 0;
110 case WM_COMMAND:
111 switch (LOWORD(wParam)) {
112 case IDOK:
113 if (*passphrase)
114 EndDialog (hwnd, 1);
115 else
116 MessageBeep (0);
117 return 0;
118 case IDCANCEL:
119 EndDialog (hwnd, 0);
120 return 0;
121 case 102: /* edit box */
122 if (HIWORD(wParam) == EN_CHANGE) {
123 GetDlgItemText (hwnd, 102, passphrase, PASSPHRASE_MAXLEN-1);
124 passphrase[PASSPHRASE_MAXLEN-1] = '\0';
125 }
126 return 0;
127 }
128 return 0;
129 case WM_CLOSE:
130 EndDialog (hwnd, 0);
131 return 0;
132 }
133 return 0;
134}
135
136/*
137 * Prompt for a key file. Assumes the filename buffer is of size
138 * FILENAME_MAX.
139 */
140static int prompt_keyfile(HWND hwnd, char *dlgtitle,
141 char *filename, int save) {
142 OPENFILENAME of;
143 memset(&of, 0, sizeof(of));
144#ifdef OPENFILENAME_SIZE_VERSION_400
145 of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
146#else
147 of.lStructSize = sizeof(of);
148#endif
149 of.hwndOwner = hwnd;
150 of.lpstrFilter = "All Files\0*\0\0\0";
151 of.lpstrCustomFilter = NULL;
152 of.nFilterIndex = 1;
153 of.lpstrFile = filename; *filename = '\0';
154 of.nMaxFile = FILENAME_MAX;
155 of.lpstrFileTitle = NULL;
156 of.lpstrInitialDir = NULL;
157 of.lpstrTitle = dlgtitle;
158 of.Flags = 0;
159 if (save)
160 return GetSaveFileName(&of);
161 else
162 return GetOpenFileName(&of);
163}
164
165/*
166 * This function is needed to link with the DES code. We need not
167 * have it do anything at all.
168 */
169void logevent(char *msg) {
170}
171
172/*
173 * Dialog-box function for the Licence box.
174 */
175static int CALLBACK LicenceProc (HWND hwnd, UINT msg,
176 WPARAM wParam, LPARAM lParam) {
177 switch (msg) {
178 case WM_INITDIALOG:
179 return 1;
180 case WM_COMMAND:
181 switch (LOWORD(wParam)) {
182 case IDOK:
183 EndDialog(hwnd, 1);
184 return 0;
185 }
186 return 0;
187 case WM_CLOSE:
188 EndDialog(hwnd, 1);
189 return 0;
190 }
191 return 0;
192}
193
194/*
195 * Dialog-box function for the About box.
196 */
197static int CALLBACK AboutProc (HWND hwnd, UINT msg,
198 WPARAM wParam, LPARAM lParam) {
199 switch (msg) {
200 case WM_INITDIALOG:
201 SetDlgItemText (hwnd, 100, ver);
202 return 1;
203 case WM_COMMAND:
204 switch (LOWORD(wParam)) {
205 case IDOK:
206 EndDialog(hwnd, 1);
207 return 0;
208 case 101:
209 EnableWindow(hwnd, 0);
210 DialogBox (hinst, MAKEINTRESOURCE(214), NULL, LicenceProc);
211 EnableWindow(hwnd, 1);
212 SetActiveWindow(hwnd);
213 return 0;
214 }
215 return 0;
216 case WM_CLOSE:
217 EndDialog(hwnd, 1);
218 return 0;
219 }
220 return 0;
221}
222
223/*
224 * Thread to generate a key.
225 */
226struct rsa_key_thread_params {
227 HWND progressbar; /* notify this with progress */
228 HWND dialog; /* notify this on completion */
0c2986d0 229 int keysize; /* bits in key */
6e522441 230 struct RSAKey *key;
231 struct RSAAux *aux;
232};
233static DWORD WINAPI generate_rsa_key_thread(void *param) {
234 struct rsa_key_thread_params *params =
235 (struct rsa_key_thread_params *)param;
236 struct progress prog;
237 prog.progbar = params->progressbar;
238
0c2986d0 239 rsa_generate(params->key, params->aux,
240 params->keysize, progress_update, &prog);
6e522441 241
242 PostMessage(params->dialog, WM_DONEKEY, 0, 0);
243
244 free(params);
245 return 0;
246}
247
248struct MainDlgState {
249 int collecting_entropy;
250 int generation_thread_exists;
251 int key_exists;
252 int entropy_got, entropy_required, entropy_size;
0c2986d0 253 int keysize;
6e522441 254 unsigned *entropy;
255 struct RSAKey key;
256 struct RSAAux aux;
257};
258
259static void hidemany(HWND hwnd, const int *ids, int hideit) {
260 while (*ids) {
261 ShowWindow(GetDlgItem(hwnd, *ids++), (hideit ? SW_HIDE : SW_SHOW));
262 }
263}
264
265static void setupbigedit(HWND hwnd, int id, struct RSAKey *key) {
266 char *buffer;
267 char *dec1, *dec2;
268
269 dec1 = bignum_decimal(key->exponent);
270 dec2 = bignum_decimal(key->modulus);
271 buffer = malloc(strlen(dec1)+strlen(dec2)+
272 strlen(key->comment)+30);
273 sprintf(buffer, "%d %s %s %s",
274 ssh1_bignum_bitcount(key->modulus),
275 dec1, dec2, key->comment);
276 SetDlgItemText(hwnd, id, buffer);
277 free(dec1);
278 free(dec2);
279 free(buffer);
280}
281
282/*
283 * Dialog-box function for the main PuTTYgen dialog box.
284 */
285static int CALLBACK MainDlgProc (HWND hwnd, UINT msg,
286 WPARAM wParam, LPARAM lParam) {
287 enum {
288 controlidstart = 100,
289 IDC_TITLE,
290 IDC_BOX_KEY, IDC_BOXT_KEY,
291 IDC_NOKEY,
292 IDC_GENERATING,
293 IDC_PROGRESS,
294 IDC_PKSTATIC, IDC_KEYDISPLAY,
295 IDC_FPSTATIC, IDC_FINGERPRINT,
296 IDC_COMMENTSTATIC, IDC_COMMENTEDIT,
a5470c60 297 IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT,
298 IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT,
6e522441 299 IDC_BOX_ACTIONS, IDC_BOXT_ACTIONS,
300 IDC_GENSTATIC, IDC_GENERATE,
301 IDC_LOADSTATIC, IDC_LOAD,
302 IDC_SAVESTATIC, IDC_SAVE,
0c2986d0 303 IDC_BOX_PARAMS, IDC_BOXT_PARAMS,
304 IDC_BITSSTATIC, IDC_BITS,
6e522441 305 IDC_ABOUT,
306 };
307 static const int nokey_ids[] = { IDC_NOKEY, 0 };
308 static const int generating_ids[] = { IDC_GENERATING, IDC_PROGRESS, 0 };
309 static const int gotkey_ids[] = {
310 IDC_PKSTATIC, IDC_KEYDISPLAY,
311 IDC_FPSTATIC, IDC_FINGERPRINT,
312 IDC_COMMENTSTATIC, IDC_COMMENTEDIT,
a5470c60 313 IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT,
314 IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, 0 };
6e522441 315 static const char generating_msg[] =
316 "Please wait while a key is generated...";
317 static const char entropy_msg[] =
47c98e43 318 "Please generate some randomness by moving the mouse over the blank area.";
6e522441 319 struct MainDlgState *state;
320
321 switch (msg) {
322 case WM_INITDIALOG:
323 state = malloc(sizeof(*state));
324 state->generation_thread_exists = FALSE;
b8957e43 325 state->collecting_entropy = FALSE;
326 state->entropy = NULL;
6e522441 327 state->key_exists = FALSE;
328 SetWindowLong(hwnd, GWL_USERDATA, (LONG)state);
329 {
330 struct ctlpos cp, cp2;
331
a5470c60 332 /* Accelerators used: acglops */
333
6e522441 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);
a5470c60 354 staticpassedit(&cp, "Key p&assphrase:", IDC_PASSPHRASE1STATIC,
355 IDC_PASSPHRASE1EDIT, 70);
356 staticpassedit(&cp, "C&onfirm passphrase:", IDC_PASSPHRASE2STATIC,
357 IDC_PASSPHRASE2EDIT, 70);
6e522441 358 endbox(&cp);
359 beginbox(&cp, "Actions",
360 IDC_BOX_ACTIONS, IDC_BOXT_ACTIONS);
361 staticbtn(&cp, "Generate a public/private key pair",
362 IDC_GENSTATIC, "&Generate", IDC_GENERATE);
363 staticbtn(&cp, "Load an existing private key file",
364 IDC_LOADSTATIC, "&Load", IDC_LOAD);
365 staticbtn(&cp, "Save the generated key to a new file",
366 IDC_SAVESTATIC, "&Save", IDC_SAVE);
367 endbox(&cp);
ec68f104 368 beginbox(&cp, "Parameters",
369 IDC_BOX_PARAMS, IDC_BOXT_PARAMS);
47c98e43 370 staticedit(&cp, "Number of &bits in a generated key:",
0c2986d0 371 IDC_BITSSTATIC, IDC_BITS, 20);
372 endbox(&cp);
6e522441 373 }
0c2986d0 374 SetDlgItemInt(hwnd, IDC_BITS, DEFAULT_KEYSIZE, FALSE);
375
6e522441 376 /*
377 * Initially, hide the progress bar and the key display,
378 * and show the no-key display. Also disable the Save
379 * button, because with no key we obviously can't save
380 * anything.
381 */
382 hidemany(hwnd, nokey_ids, FALSE);
383 hidemany(hwnd, generating_ids, TRUE);
384 hidemany(hwnd, gotkey_ids, TRUE);
385 EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0);
386
387 return 1;
388 case WM_MOUSEMOVE:
389 state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA);
b8957e43 390 if (state->collecting_entropy &&
391 state->entropy &&
392 state->entropy_got < state->entropy_required) {
6e522441 393 state->entropy[state->entropy_got++] = lParam;
394 state->entropy[state->entropy_got++] = GetMessageTime();
395 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS,
396 state->entropy_got, 0);
397 if (state->entropy_got >= state->entropy_required) {
398 struct rsa_key_thread_params *params;
399 DWORD threadid;
400
401 /*
402 * Seed the entropy pool
403 */
404 random_add_heavynoise(state->entropy, state->entropy_size);
405 memset(state->entropy, 0, state->entropy_size);
406 free(state->entropy);
b8957e43 407 state->collecting_entropy = FALSE;
6e522441 408
409 SetDlgItemText(hwnd, IDC_GENERATING, generating_msg);
410 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0,
411 MAKELPARAM(0, PROGRESSRANGE));
412 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0);
413
414 params = malloc(sizeof(*params));
415 params->progressbar = GetDlgItem(hwnd, IDC_PROGRESS);
416 params->dialog = hwnd;
0c2986d0 417 params->keysize = state->keysize;
6e522441 418 params->key = &state->key;
419 params->aux = &state->aux;
420
421 if (!CreateThread(NULL, 0, generate_rsa_key_thread,
422 params, 0, &threadid)) {
423 MessageBox(hwnd, "Out of thread resources",
424 "Key generation error",
425 MB_OK | MB_ICONERROR);
426 free(params);
427 } else {
428 state->generation_thread_exists = TRUE;
6e522441 429 }
430 }
431 }
432 break;
433 case WM_COMMAND:
434 switch (LOWORD(wParam)) {
435 case IDC_COMMENTEDIT:
436 if (HIWORD(wParam) == EN_CHANGE) {
437 state = (struct MainDlgState *)
438 GetWindowLong(hwnd, GWL_USERDATA);
439 if (state->key_exists) {
440 HWND editctl = GetDlgItem(hwnd, IDC_COMMENTEDIT);
441 int len = GetWindowTextLength(editctl);
442 if (state->key.comment)
443 free(state->key.comment);
444 state->key.comment = malloc(len+1);
445 GetWindowText(editctl, state->key.comment, len+1);
446 }
447 }
448 break;
449 case IDC_ABOUT:
450 EnableWindow(hwnd, 0);
451 DialogBox (hinst, MAKEINTRESOURCE(213), NULL, AboutProc);
452 EnableWindow(hwnd, 1);
453 SetActiveWindow(hwnd);
454 return 0;
455 case IDC_GENERATE:
456 state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA);
457 if (!state->generation_thread_exists) {
e28350d4 458 BOOL ok;
459 state->keysize = GetDlgItemInt(hwnd, IDC_BITS,
460 &ok, FALSE);
461 if (!ok) state->keysize = DEFAULT_KEYSIZE;
462 if (state->keysize < 256) {
463 int ret = MessageBox(hwnd,
464 "PuTTYgen will not generate a key"
465 " smaller than 256 bits.\n"
466 "Key length reset to 256. Continue?",
467 "PuTTYgen Warning",
468 MB_ICONWARNING | MB_OKCANCEL);
469 if (ret != IDOK)
470 break;
471 state->keysize = 256;
472 SetDlgItemInt(hwnd, IDC_BITS, 256, FALSE);
473 }
6e522441 474 hidemany(hwnd, nokey_ids, TRUE);
475 hidemany(hwnd, generating_ids, FALSE);
476 hidemany(hwnd, gotkey_ids, TRUE);
477 EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 0);
478 EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 0);
479 EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0);
480 state->key_exists = FALSE;
481 SetDlgItemText(hwnd, IDC_GENERATING, entropy_msg);
482 state->collecting_entropy = TRUE;
483
484 /*
485 * My brief statistical tests on mouse movements
47c98e43 486 * suggest that there are about 2.5 bits of
487 * randomness in the x position, 2.5 in the y
6e522441 488 * position, and 1.7 in the message time, making
47c98e43 489 * 5.7 bits of unpredictability per mouse movement.
490 * However, other people have told me it's far less
491 * than that, so I'm going to be stupidly cautious
492 * and knock that down to a nice round 2. With this
493 * method, we require two words per mouse movement,
494 * so with 2 bits per mouse movement we expect 2
495 * bits every 2 words.
6e522441 496 */
47c98e43 497 state->entropy_required = (state->keysize/2) * 2;
6e522441 498 state->entropy_got = 0;
499 state->entropy_size = (state->entropy_required *
500 sizeof(*state->entropy));
501 state->entropy = malloc(state->entropy_size);
502
503 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0,
504 MAKELPARAM(0, state->entropy_required));
505 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0);
506 }
507 break;
508 case IDC_SAVE:
509 state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA);
510 if (state->key_exists) {
511 char filename[FILENAME_MAX];
512 char passphrase[PASSPHRASE_MAXLEN];
a5470c60 513 char passphrase2[PASSPHRASE_MAXLEN];
514 GetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT,
515 passphrase, sizeof(passphrase));
516 GetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT,
517 passphrase2, sizeof(passphrase2));
518 if (strcmp(passphrase, passphrase2)) {
519 MessageBox(hwnd,
520 "The two passphrases given do not match.",
521 "PuTTYgen Error",
522 MB_OK | MB_ICONERROR);
523 break;
524 }
6e522441 525 if (!*passphrase) {
526 int ret;
527 ret = MessageBox(hwnd,
528 "Are you sure you want to save this key\n"
529 "without a passphrase to protect it?",
530 "PuTTYgen Warning",
531 MB_YESNO | MB_ICONWARNING);
532 if (ret != IDYES)
533 break;
534 }
535 if (prompt_keyfile(hwnd, "Save private key as:",
536 filename, 1)) {
bdea0743 537 int ret;
18790478 538 FILE *fp = fopen(filename, "r");
539 if (fp) {
18790478 540 char buffer[FILENAME_MAX+80];
541 fclose(fp);
542 sprintf(buffer, "Overwrite existing file\n%.*s?",
543 FILENAME_MAX, filename);
544 ret = MessageBox(hwnd, buffer, "PuTTYgen Warning",
545 MB_YESNO | MB_ICONWARNING);
546 if (ret != IDYES)
547 break;
548 }
bdea0743 549 ret = saversakey(filename, &state->key, &state->aux,
550 *passphrase ? passphrase : NULL);
551 if (ret <= 0) {
552 MessageBox(hwnd, "Unable to save key file",
553 "PuTTYgen Error",
554 MB_OK | MB_ICONERROR);
555 }
6e522441 556 }
557 }
558 break;
559 case IDC_LOAD:
560 state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA);
561 if (!state->generation_thread_exists) {
562 char filename[FILENAME_MAX];
563 if (prompt_keyfile(hwnd, "Load private key:",
564 filename, 0)) {
565 char passphrase[PASSPHRASE_MAXLEN];
566 int needs_pass;
567 int ret;
568 char *comment;
569 struct PassphraseProcStruct pps;
570 struct RSAKey newkey;
571 struct RSAAux newaux;
572
573 needs_pass = rsakey_encrypted(filename, &comment);
574 pps.passphrase = passphrase;
575 pps.comment = comment;
576 do {
577 if (needs_pass) {
578 int dlgret;
579 dlgret = DialogBoxParam(hinst,
580 MAKEINTRESOURCE(210),
581 NULL, PassphraseProc,
582 (LPARAM)&pps);
583 if (!dlgret) {
584 ret = -2;
585 break;
586 }
587 } else
588 *passphrase = '\0';
589 ret = loadrsakey(filename, &newkey, &newaux,
590 passphrase);
591 } while (ret == -1);
592 if (comment) free(comment);
593 if (ret == 0) {
594 MessageBox(NULL, "Couldn't load private key.",
595 "PuTTYgen Error", MB_OK | MB_ICONERROR);
596 } else if (ret == 1) {
597 state->key = newkey;
598 state->aux = newaux;
599
600 EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1);
601 EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1);
602 EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1);
603 /*
604 * Now update the key controls with all the
605 * key data.
606 */
607 {
608 char buf[128];
a5470c60 609 SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT,
610 passphrase);
611 SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT,
6e522441 612 passphrase);
613 SetDlgItemText(hwnd, IDC_COMMENTEDIT,
614 state->key.comment);
615 /*
616 * Set the key fingerprint.
617 */
618 {
619 char *savecomment = state->key.comment;
620 state->key.comment = NULL;
621 rsa_fingerprint(buf, sizeof(buf), &state->key);
622 state->key.comment = savecomment;
623 }
624 SetDlgItemText(hwnd, IDC_FINGERPRINT, buf);
625 /*
626 * Construct a decimal representation
627 * of the key, for pasting into
628 * .ssh/authorized_keys on a Unix box.
629 */
630 setupbigedit(hwnd, IDC_KEYDISPLAY, &state->key);
631 }
632 /*
633 * Finally, hide the progress bar and show
634 * the key data.
635 */
636 hidemany(hwnd, nokey_ids, TRUE);
637 hidemany(hwnd, generating_ids, TRUE);
638 hidemany(hwnd, gotkey_ids, FALSE);
639 state->key_exists = TRUE;
640 }
641 }
642 }
643 break;
644 }
645 return 0;
646 case WM_DONEKEY:
647 state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA);
648 state->generation_thread_exists = FALSE;
649 state->key_exists = TRUE;
650 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, PROGRESSRANGE, 0);
651 EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1);
652 EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1);
653 EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1);
654 /*
655 * Invent a comment for the key. We'll do this by including
656 * the date in it. This will be so horrifyingly ugly that
657 * the user will immediately want to change it, which is
658 * what we want :-)
659 */
660 state->key.comment = malloc(30);
661 {
662 time_t t;
663 struct tm *tm;
664 time(&t);
665 tm = localtime(&t);
666 strftime(state->key.comment, 30, "rsa-key-%Y%m%d", tm);
667 }
668
669 /*
670 * Now update the key controls with all the key data.
671 */
672 {
673 char buf[128];
674 /*
675 * Blank passphrase, initially. This isn't dangerous,
676 * because we will warn (Are You Sure?) before allowing
677 * the user to save an unprotected private key.
678 */
a5470c60 679 SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, "");
680 SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, "");
6e522441 681 /*
682 * Set the comment.
683 */
684 SetDlgItemText(hwnd, IDC_COMMENTEDIT, state->key.comment);
685 /*
686 * Set the key fingerprint.
687 */
688 {
689 char *savecomment = state->key.comment;
690 state->key.comment = NULL;
691 rsa_fingerprint(buf, sizeof(buf), &state->key);
692 state->key.comment = savecomment;
693 }
694 SetDlgItemText(hwnd, IDC_FINGERPRINT, buf);
695 /*
696 * Construct a decimal representation of the key, for
697 * pasting into .ssh/authorized_keys on a Unix box.
698 */
699 setupbigedit(hwnd, IDC_KEYDISPLAY, &state->key);
700 }
701 /*
702 * Finally, hide the progress bar and show the key data.
703 */
704 hidemany(hwnd, nokey_ids, TRUE);
705 hidemany(hwnd, generating_ids, TRUE);
706 hidemany(hwnd, gotkey_ids, FALSE);
707 break;
708 case WM_CLOSE:
709 state = (struct MainDlgState *)GetWindowLong(hwnd, GWL_USERDATA);
710 free(state);
711 EndDialog(hwnd, 1);
712 return 0;
713 }
714 return 0;
715}
716
717int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
8b8cf871 718 InitCommonControls();
6e522441 719 hinst = inst;
720 random_init();
721 return DialogBox(hinst, MAKEINTRESOURCE(201), NULL, MainDlgProc) != IDOK;
722}
Simon Tatham's PuTTY GUI SSH client; import of svn://svn.tartarus.org/sgt/putty