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