| 1 | /* |
| 2 | * cmdgen.c - command-line form of PuTTYgen |
| 3 | */ |
| 4 | |
| 5 | #define PUTTY_DO_GLOBALS |
| 6 | |
| 7 | #include <stdio.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <ctype.h> |
| 10 | #include <limits.h> |
| 11 | #include <assert.h> |
| 12 | #include <time.h> |
| 13 | |
| 14 | #include "putty.h" |
| 15 | #include "ssh.h" |
| 16 | |
| 17 | #ifdef TEST_CMDGEN |
| 18 | /* |
| 19 | * This section overrides some definitions below for test purposes. |
| 20 | * When compiled with -DTEST_CMDGEN: |
| 21 | * |
| 22 | * - Calls to get_random_data() are replaced with the diagnostic |
| 23 | * function below (I #define the name so that I can still link |
| 24 | * with the original set of modules without symbol clash), in |
| 25 | * order to avoid depleting the test system's /dev/random |
| 26 | * unnecessarily. |
| 27 | * |
| 28 | * - Calls to console_get_line() are replaced with the diagnostic |
| 29 | * function below, so that I can run tests in an automated |
| 30 | * manner and provide their interactive passphrase inputs. |
| 31 | * |
| 32 | * - main() is renamed to cmdgen_main(); at the bottom of the file |
| 33 | * I define another main() which calls the former repeatedly to |
| 34 | * run tests. |
| 35 | */ |
| 36 | #define get_random_data get_random_data_diagnostic |
| 37 | char *get_random_data(int len) |
| 38 | { |
| 39 | char *buf = snewn(len, char); |
| 40 | memset(buf, 'x', len); |
| 41 | return buf; |
| 42 | } |
| 43 | #define console_get_line console_get_line_diagnostic |
| 44 | int nprompts, promptsgot; |
| 45 | const char *prompts[3]; |
| 46 | int console_get_line(const char *prompt, char *str, int maxlen, int is_pw) |
| 47 | { |
| 48 | if (promptsgot < nprompts) { |
| 49 | assert(strlen(prompts[promptsgot]) < maxlen); |
| 50 | strcpy(str, prompts[promptsgot++]); |
| 51 | return TRUE; |
| 52 | } else { |
| 53 | promptsgot++; /* track number of requests anyway */ |
| 54 | return FALSE; |
| 55 | } |
| 56 | } |
| 57 | #define main cmdgen_main |
| 58 | #endif |
| 59 | |
| 60 | struct progress { |
| 61 | int phase, current; |
| 62 | }; |
| 63 | |
| 64 | static void progress_update(void *param, int action, int phase, int iprogress) |
| 65 | { |
| 66 | struct progress *p = (struct progress *)param; |
| 67 | if (action != PROGFN_PROGRESS) |
| 68 | return; |
| 69 | if (phase > p->phase) { |
| 70 | if (p->phase >= 0) |
| 71 | fputc('\n', stderr); |
| 72 | p->phase = phase; |
| 73 | if (iprogress >= 0) |
| 74 | p->current = iprogress - 1; |
| 75 | else |
| 76 | p->current = iprogress; |
| 77 | } |
| 78 | while (p->current < iprogress) { |
| 79 | fputc('+', stdout); |
| 80 | p->current++; |
| 81 | } |
| 82 | fflush(stdout); |
| 83 | } |
| 84 | |
| 85 | static void no_progress(void *param, int action, int phase, int iprogress) |
| 86 | { |
| 87 | } |
| 88 | |
| 89 | void modalfatalbox(char *p, ...) |
| 90 | { |
| 91 | va_list ap; |
| 92 | fprintf(stderr, "FATAL ERROR: "); |
| 93 | va_start(ap, p); |
| 94 | vfprintf(stderr, p, ap); |
| 95 | va_end(ap); |
| 96 | fputc('\n', stderr); |
| 97 | cleanup_exit(1); |
| 98 | } |
| 99 | |
| 100 | /* |
| 101 | * Stubs to let everything else link sensibly. |
| 102 | */ |
| 103 | void log_eventlog(void *handle, const char *event) |
| 104 | { |
| 105 | } |
| 106 | char *x_get_default(const char *key) |
| 107 | { |
| 108 | return NULL; |
| 109 | } |
| 110 | void sk_cleanup(void) |
| 111 | { |
| 112 | } |
| 113 | |
| 114 | void showversion(void) |
| 115 | { |
| 116 | char *verstr = dupstr(ver); |
| 117 | verstr[0] = tolower(verstr[0]); |
| 118 | printf("PuTTYgen %s\n", verstr); |
| 119 | sfree(verstr); |
| 120 | } |
| 121 | |
| 122 | void usage(void) |
| 123 | { |
| 124 | fprintf(stderr, |
| 125 | "Usage: puttygen ( keyfile | -t type [ -b bits ] )\n" |
| 126 | " [ -C comment ] [ -P ]\n" |
| 127 | " [ -o output-keyfile ] [ -O type | -l | -L" |
| 128 | " | -p ]\n"); |
| 129 | } |
| 130 | |
| 131 | void help(void) |
| 132 | { |
| 133 | /* |
| 134 | * Help message is an extended version of the usage message. So |
| 135 | * start with that, plus a version heading. |
| 136 | */ |
| 137 | showversion(); |
| 138 | usage(); |
| 139 | fprintf(stderr, |
| 140 | " -t specify key type when generating (rsa, dsa, rsa1)\n" |
| 141 | " -b specify number of bits when generating key\n" |
| 142 | " -C change or specify key comment\n" |
| 143 | " -P change key passphrase\n" |
| 144 | " -O specify output type:\n" |
| 145 | " private output PuTTY private key format\n" |
| 146 | " private-openssh export OpenSSH private key\n" |
| 147 | " private-sshcom export ssh.com private key\n" |
| 148 | " public standard / ssh.com public key\n" |
| 149 | " public-openssh OpenSSH public key\n" |
| 150 | " fingerprint output the key fingerprint\n" |
| 151 | " -o specify output file\n" |
| 152 | " -l equivalent to `-O fingerprint'\n" |
| 153 | " -L equivalent to `-O public-openssh'\n" |
| 154 | " -p equivalent to `-O public'\n" |
| 155 | ); |
| 156 | } |
| 157 | |
| 158 | static int save_ssh2_pubkey(char *filename, char *comment, |
| 159 | void *v_pub_blob, int pub_len) |
| 160 | { |
| 161 | unsigned char *pub_blob = (unsigned char *)v_pub_blob; |
| 162 | char *p; |
| 163 | int i, column; |
| 164 | FILE *fp; |
| 165 | |
| 166 | if (filename) { |
| 167 | fp = fopen(filename, "wb"); |
| 168 | if (!fp) |
| 169 | return 0; |
| 170 | } else |
| 171 | fp = stdout; |
| 172 | |
| 173 | fprintf(fp, "---- BEGIN SSH2 PUBLIC KEY ----\n"); |
| 174 | |
| 175 | if (comment) { |
| 176 | fprintf(fp, "Comment: \""); |
| 177 | for (p = comment; *p; p++) { |
| 178 | if (*p == '\\' || *p == '\"') |
| 179 | fputc('\\', fp); |
| 180 | fputc(*p, fp); |
| 181 | } |
| 182 | fprintf(fp, "\"\n"); |
| 183 | } |
| 184 | |
| 185 | i = 0; |
| 186 | column = 0; |
| 187 | while (i < pub_len) { |
| 188 | char buf[5]; |
| 189 | int n = (pub_len - i < 3 ? pub_len - i : 3); |
| 190 | base64_encode_atom(pub_blob + i, n, buf); |
| 191 | i += n; |
| 192 | buf[4] = '\0'; |
| 193 | fputs(buf, fp); |
| 194 | if (++column >= 16) { |
| 195 | fputc('\n', fp); |
| 196 | column = 0; |
| 197 | } |
| 198 | } |
| 199 | if (column > 0) |
| 200 | fputc('\n', fp); |
| 201 | |
| 202 | fprintf(fp, "---- END SSH2 PUBLIC KEY ----\n"); |
| 203 | if (filename) |
| 204 | fclose(fp); |
| 205 | return 1; |
| 206 | } |
| 207 | |
| 208 | static int move(char *from, char *to) |
| 209 | { |
| 210 | int ret; |
| 211 | |
| 212 | ret = rename(from, to); |
| 213 | if (ret) { |
| 214 | /* |
| 215 | * This OS may require us to remove the original file first. |
| 216 | */ |
| 217 | remove(to); |
| 218 | ret = rename(from, to); |
| 219 | } |
| 220 | if (ret) { |
| 221 | perror("puttygen: cannot move new file on to old one"); |
| 222 | return FALSE; |
| 223 | } |
| 224 | return TRUE; |
| 225 | } |
| 226 | |
| 227 | static char *blobfp(char *alg, int bits, char *blob, int bloblen) |
| 228 | { |
| 229 | char buffer[128]; |
| 230 | unsigned char digest[16]; |
| 231 | struct MD5Context md5c; |
| 232 | int i; |
| 233 | |
| 234 | MD5Init(&md5c); |
| 235 | MD5Update(&md5c, blob, bloblen); |
| 236 | MD5Final(digest, &md5c); |
| 237 | |
| 238 | sprintf(buffer, "%s ", alg); |
| 239 | if (bits > 0) |
| 240 | sprintf(buffer + strlen(buffer), "%d ", bits); |
| 241 | for (i = 0; i < 16; i++) |
| 242 | sprintf(buffer + strlen(buffer), "%s%02x", i ? ":" : "", |
| 243 | digest[i]); |
| 244 | |
| 245 | return dupstr(buffer); |
| 246 | } |
| 247 | |
| 248 | int main(int argc, char **argv) |
| 249 | { |
| 250 | char *infile = NULL; |
| 251 | Filename infilename; |
| 252 | enum { NOKEYGEN, RSA1, RSA2, DSA } keytype = NOKEYGEN; |
| 253 | char *outfile = NULL, *outfiletmp = NULL; |
| 254 | Filename outfilename; |
| 255 | enum { PRIVATE, PUBLIC, PUBLICO, FP, OPENSSH, SSHCOM } outtype = PRIVATE; |
| 256 | int bits = 1024; |
| 257 | char *comment = NULL, *origcomment = NULL; |
| 258 | int change_passphrase = FALSE; |
| 259 | int errs = FALSE, nogo = FALSE; |
| 260 | int intype = SSH_KEYTYPE_UNOPENABLE; |
| 261 | int sshver = 0; |
| 262 | struct ssh2_userkey *ssh2key = NULL; |
| 263 | struct RSAKey *ssh1key = NULL; |
| 264 | char *ssh2blob = NULL, *ssh2alg = NULL; |
| 265 | const struct ssh_signkey *ssh2algf = NULL; |
| 266 | int ssh2bloblen; |
| 267 | char *passphrase = NULL; |
| 268 | int load_encrypted; |
| 269 | progfn_t progressfn = is_interactive() ? progress_update : no_progress; |
| 270 | |
| 271 | /* ------------------------------------------------------------------ |
| 272 | * Parse the command line to figure out what we've been asked to do. |
| 273 | */ |
| 274 | |
| 275 | /* |
| 276 | * If run with no arguments at all, print the usage message and |
| 277 | * return success. |
| 278 | */ |
| 279 | if (argc <= 1) { |
| 280 | usage(); |
| 281 | return 0; |
| 282 | } |
| 283 | |
| 284 | /* |
| 285 | * Parse command line arguments. |
| 286 | */ |
| 287 | while (--argc) { |
| 288 | char *p = *++argv; |
| 289 | if (*p == '-') { |
| 290 | /* |
| 291 | * An option. |
| 292 | */ |
| 293 | while (p && *++p) { |
| 294 | char c = *p; |
| 295 | switch (c) { |
| 296 | case '-': |
| 297 | /* |
| 298 | * Long option. |
| 299 | */ |
| 300 | { |
| 301 | char *opt, *val; |
| 302 | opt = p++; /* opt will have _one_ leading - */ |
| 303 | while (*p && *p != '=') |
| 304 | p++; /* find end of option */ |
| 305 | if (*p == '=') { |
| 306 | *p++ = '\0'; |
| 307 | val = p; |
| 308 | } else |
| 309 | val = NULL; |
| 310 | if (!strcmp(opt, "-help")) { |
| 311 | help(); |
| 312 | nogo = TRUE; |
| 313 | } else if (!strcmp(opt, "-version")) { |
| 314 | showversion(); |
| 315 | nogo = TRUE; |
| 316 | } else if (!strcmp(opt, "-pgpfp")) { |
| 317 | /* support "-pgpfp" for consistency with others */ |
| 318 | pgp_fingerprints(); |
| 319 | nogo = TRUE; |
| 320 | } |
| 321 | /* |
| 322 | * A sample option requiring an argument: |
| 323 | * |
| 324 | * else if (!strcmp(opt, "-output")) { |
| 325 | * if (!val) |
| 326 | * errs = TRUE, error(err_optnoarg, opt); |
| 327 | * else |
| 328 | * ofile = val; |
| 329 | * } |
| 330 | */ |
| 331 | else { |
| 332 | errs = TRUE; |
| 333 | fprintf(stderr, |
| 334 | "puttygen: no such option `--%s'\n", opt); |
| 335 | } |
| 336 | } |
| 337 | p = NULL; |
| 338 | break; |
| 339 | case 'h': |
| 340 | case 'V': |
| 341 | case 'P': |
| 342 | case 'l': |
| 343 | case 'L': |
| 344 | case 'p': |
| 345 | case 'q': |
| 346 | /* |
| 347 | * Option requiring no parameter. |
| 348 | */ |
| 349 | switch (c) { |
| 350 | case 'h': |
| 351 | help(); |
| 352 | nogo = TRUE; |
| 353 | break; |
| 354 | case 'V': |
| 355 | showversion(); |
| 356 | nogo = TRUE; |
| 357 | break; |
| 358 | case 'P': |
| 359 | change_passphrase = TRUE; |
| 360 | break; |
| 361 | case 'l': |
| 362 | outtype = FP; |
| 363 | break; |
| 364 | case 'L': |
| 365 | outtype = PUBLICO; |
| 366 | break; |
| 367 | case 'p': |
| 368 | outtype = PUBLIC; |
| 369 | break; |
| 370 | case 'q': |
| 371 | progressfn = no_progress; |
| 372 | break; |
| 373 | } |
| 374 | break; |
| 375 | case 't': |
| 376 | case 'b': |
| 377 | case 'C': |
| 378 | case 'O': |
| 379 | case 'o': |
| 380 | /* |
| 381 | * Option requiring parameter. |
| 382 | */ |
| 383 | p++; |
| 384 | if (!*p && argc > 1) |
| 385 | --argc, p = *++argv; |
| 386 | else if (!*p) { |
| 387 | fprintf(stderr, "puttygen: option `-%c' expects a" |
| 388 | " parameter\n", c); |
| 389 | errs = TRUE; |
| 390 | } |
| 391 | /* |
| 392 | * Now c is the option and p is the parameter. |
| 393 | */ |
| 394 | switch (c) { |
| 395 | case 't': |
| 396 | if (!strcmp(p, "rsa") || !strcmp(p, "rsa2")) |
| 397 | keytype = RSA2, sshver = 2; |
| 398 | else if (!strcmp(p, "rsa1")) |
| 399 | keytype = RSA1, sshver = 1; |
| 400 | else if (!strcmp(p, "dsa") || !strcmp(p, "dss")) |
| 401 | keytype = DSA, sshver = 2; |
| 402 | else { |
| 403 | fprintf(stderr, |
| 404 | "puttygen: unknown key type `%s'\n", p); |
| 405 | errs = TRUE; |
| 406 | } |
| 407 | break; |
| 408 | case 'b': |
| 409 | bits = atoi(p); |
| 410 | break; |
| 411 | case 'C': |
| 412 | comment = p; |
| 413 | break; |
| 414 | case 'O': |
| 415 | if (!strcmp(p, "public")) |
| 416 | outtype = PUBLIC; |
| 417 | else if (!strcmp(p, "public-openssh")) |
| 418 | outtype = PUBLICO; |
| 419 | else if (!strcmp(p, "private")) |
| 420 | outtype = PRIVATE; |
| 421 | else if (!strcmp(p, "fingerprint")) |
| 422 | outtype = FP; |
| 423 | else if (!strcmp(p, "private-openssh")) |
| 424 | outtype = OPENSSH, sshver = 2; |
| 425 | else if (!strcmp(p, "private-sshcom")) |
| 426 | outtype = SSHCOM, sshver = 2; |
| 427 | else { |
| 428 | fprintf(stderr, |
| 429 | "puttygen: unknown output type `%s'\n", p); |
| 430 | errs = TRUE; |
| 431 | } |
| 432 | break; |
| 433 | case 'o': |
| 434 | outfile = p; |
| 435 | break; |
| 436 | } |
| 437 | p = NULL; /* prevent continued processing */ |
| 438 | break; |
| 439 | default: |
| 440 | /* |
| 441 | * Unrecognised option. |
| 442 | */ |
| 443 | errs = TRUE; |
| 444 | fprintf(stderr, "puttygen: no such option `-%c'\n", c); |
| 445 | break; |
| 446 | } |
| 447 | } |
| 448 | } else { |
| 449 | /* |
| 450 | * A non-option argument. |
| 451 | */ |
| 452 | if (!infile) |
| 453 | infile = p; |
| 454 | else { |
| 455 | errs = TRUE; |
| 456 | fprintf(stderr, "puttygen: cannot handle more than one" |
| 457 | " input file\n"); |
| 458 | } |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | if (errs) |
| 463 | return 1; |
| 464 | |
| 465 | if (nogo) |
| 466 | return 0; |
| 467 | |
| 468 | /* |
| 469 | * If run with at least one argument _but_ not the required |
| 470 | * ones, print the usage message and return failure. |
| 471 | */ |
| 472 | if (!infile && keytype == NOKEYGEN) { |
| 473 | usage(); |
| 474 | return 1; |
| 475 | } |
| 476 | |
| 477 | /* ------------------------------------------------------------------ |
| 478 | * Figure out further details of exactly what we're going to do. |
| 479 | */ |
| 480 | |
| 481 | /* |
| 482 | * Bomb out if we've been asked to both load and generate a |
| 483 | * key. |
| 484 | */ |
| 485 | if (keytype != NOKEYGEN && intype) { |
| 486 | fprintf(stderr, "puttygen: cannot both load and generate a key\n"); |
| 487 | return 1; |
| 488 | } |
| 489 | |
| 490 | /* |
| 491 | * Analyse the type of the input file, in case this affects our |
| 492 | * course of action. |
| 493 | */ |
| 494 | if (infile) { |
| 495 | infilename = filename_from_str(infile); |
| 496 | |
| 497 | intype = key_type(&infilename); |
| 498 | |
| 499 | switch (intype) { |
| 500 | /* |
| 501 | * It would be nice here to be able to load _public_ |
| 502 | * key files, in any of a number of forms, and (a) |
| 503 | * convert them to other public key types, (b) print |
| 504 | * out their fingerprints. Or, I suppose, for real |
| 505 | * orthogonality, (c) change their comment! |
| 506 | * |
| 507 | * In fact this opens some interesting possibilities. |
| 508 | * Suppose ssh2_userkey_loadpub() were able to load |
| 509 | * public key files as well as extracting the public |
| 510 | * key from private ones. And suppose I did the thing |
| 511 | * I've been wanting to do, where specifying a |
| 512 | * particular private key file for authentication |
| 513 | * causes any _other_ key in the agent to be discarded. |
| 514 | * Then, if you had an agent forwarded to the machine |
| 515 | * you were running Unix PuTTY or Plink on, and you |
| 516 | * needed to specify which of the keys in the agent it |
| 517 | * should use, you could do that by supplying a |
| 518 | * _public_ key file, thus not needing to trust even |
| 519 | * your encrypted private key file to the network. Ooh! |
| 520 | */ |
| 521 | |
| 522 | case SSH_KEYTYPE_UNOPENABLE: |
| 523 | case SSH_KEYTYPE_UNKNOWN: |
| 524 | fprintf(stderr, "puttygen: unable to load file `%s': %s\n", |
| 525 | infile, key_type_to_str(intype)); |
| 526 | return 1; |
| 527 | |
| 528 | case SSH_KEYTYPE_SSH1: |
| 529 | if (sshver == 2) { |
| 530 | fprintf(stderr, "puttygen: conversion from SSH-1 to SSH-2 keys" |
| 531 | " not supported\n"); |
| 532 | return 1; |
| 533 | } |
| 534 | sshver = 1; |
| 535 | break; |
| 536 | |
| 537 | case SSH_KEYTYPE_SSH2: |
| 538 | case SSH_KEYTYPE_OPENSSH: |
| 539 | case SSH_KEYTYPE_SSHCOM: |
| 540 | if (sshver == 1) { |
| 541 | fprintf(stderr, "puttygen: conversion from SSH-2 to SSH-1 keys" |
| 542 | " not supported\n"); |
| 543 | return 1; |
| 544 | } |
| 545 | sshver = 2; |
| 546 | break; |
| 547 | } |
| 548 | } |
| 549 | |
| 550 | /* |
| 551 | * Determine the default output file, if none is provided. |
| 552 | * |
| 553 | * This will usually be equal to stdout, except that if the |
| 554 | * input and output file formats are the same then the default |
| 555 | * output is to overwrite the input. |
| 556 | * |
| 557 | * Also in this code, we bomb out if the input and output file |
| 558 | * formats are the same and no other action is performed. |
| 559 | */ |
| 560 | if ((intype == SSH_KEYTYPE_SSH1 && outtype == PRIVATE) || |
| 561 | (intype == SSH_KEYTYPE_SSH2 && outtype == PRIVATE) || |
| 562 | (intype == SSH_KEYTYPE_OPENSSH && outtype == OPENSSH) || |
| 563 | (intype == SSH_KEYTYPE_SSHCOM && outtype == SSHCOM)) { |
| 564 | if (!outfile) { |
| 565 | outfile = infile; |
| 566 | outfiletmp = dupcat(outfile, ".tmp", NULL); |
| 567 | } |
| 568 | |
| 569 | if (!change_passphrase && !comment) { |
| 570 | fprintf(stderr, "puttygen: this command would perform no useful" |
| 571 | " action\n"); |
| 572 | return 1; |
| 573 | } |
| 574 | } else { |
| 575 | if (!outfile) { |
| 576 | /* |
| 577 | * Bomb out rather than automatically choosing to write |
| 578 | * a private key file to stdout. |
| 579 | */ |
| 580 | if (outtype==PRIVATE || outtype==OPENSSH || outtype==SSHCOM) { |
| 581 | fprintf(stderr, "puttygen: need to specify an output file\n"); |
| 582 | return 1; |
| 583 | } |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | /* |
| 588 | * Figure out whether we need to load the encrypted part of the |
| 589 | * key. This will be the case if either (a) we need to write |
| 590 | * out a private key format, or (b) the entire input key file |
| 591 | * is encrypted. |
| 592 | */ |
| 593 | if (outtype == PRIVATE || outtype == OPENSSH || outtype == SSHCOM || |
| 594 | intype == SSH_KEYTYPE_OPENSSH || intype == SSH_KEYTYPE_SSHCOM) |
| 595 | load_encrypted = TRUE; |
| 596 | else |
| 597 | load_encrypted = FALSE; |
| 598 | |
| 599 | /* ------------------------------------------------------------------ |
| 600 | * Now we're ready to actually do some stuff. |
| 601 | */ |
| 602 | |
| 603 | /* |
| 604 | * Either load or generate a key. |
| 605 | */ |
| 606 | if (keytype != NOKEYGEN) { |
| 607 | char *entropy; |
| 608 | char default_comment[80]; |
| 609 | struct tm tm; |
| 610 | struct progress prog; |
| 611 | |
| 612 | prog.phase = -1; |
| 613 | prog.current = -1; |
| 614 | |
| 615 | tm = ltime(); |
| 616 | if (keytype == DSA) |
| 617 | strftime(default_comment, 30, "dsa-key-%Y%m%d", &tm); |
| 618 | else |
| 619 | strftime(default_comment, 30, "rsa-key-%Y%m%d", &tm); |
| 620 | |
| 621 | random_ref(); |
| 622 | entropy = get_random_data(bits / 8); |
| 623 | random_add_heavynoise(entropy, bits / 8); |
| 624 | memset(entropy, 0, bits/8); |
| 625 | sfree(entropy); |
| 626 | |
| 627 | if (keytype == DSA) { |
| 628 | struct dss_key *dsskey = snew(struct dss_key); |
| 629 | dsa_generate(dsskey, bits, progressfn, &prog); |
| 630 | ssh2key = snew(struct ssh2_userkey); |
| 631 | ssh2key->data = dsskey; |
| 632 | ssh2key->alg = &ssh_dss; |
| 633 | ssh1key = NULL; |
| 634 | } else { |
| 635 | struct RSAKey *rsakey = snew(struct RSAKey); |
| 636 | rsa_generate(rsakey, bits, progressfn, &prog); |
| 637 | rsakey->comment = NULL; |
| 638 | if (keytype == RSA1) { |
| 639 | ssh1key = rsakey; |
| 640 | } else { |
| 641 | ssh2key = snew(struct ssh2_userkey); |
| 642 | ssh2key->data = rsakey; |
| 643 | ssh2key->alg = &ssh_rsa; |
| 644 | } |
| 645 | } |
| 646 | progressfn(&prog, PROGFN_PROGRESS, INT_MAX, -1); |
| 647 | |
| 648 | if (ssh2key) |
| 649 | ssh2key->comment = dupstr(default_comment); |
| 650 | if (ssh1key) |
| 651 | ssh1key->comment = dupstr(default_comment); |
| 652 | |
| 653 | } else { |
| 654 | const char *error = NULL; |
| 655 | int encrypted; |
| 656 | |
| 657 | assert(infile != NULL); |
| 658 | |
| 659 | /* |
| 660 | * Find out whether the input key is encrypted. |
| 661 | */ |
| 662 | if (intype == SSH_KEYTYPE_SSH1) |
| 663 | encrypted = rsakey_encrypted(&infilename, &origcomment); |
| 664 | else if (intype == SSH_KEYTYPE_SSH2) |
| 665 | encrypted = ssh2_userkey_encrypted(&infilename, &origcomment); |
| 666 | else |
| 667 | encrypted = import_encrypted(&infilename, intype, &origcomment); |
| 668 | |
| 669 | /* |
| 670 | * If so, ask for a passphrase. |
| 671 | */ |
| 672 | if (encrypted && load_encrypted) { |
| 673 | passphrase = snewn(512, char); |
| 674 | if (!console_get_line("Enter passphrase to load key: ", |
| 675 | passphrase, 512, TRUE)) { |
| 676 | perror("puttygen: unable to read passphrase"); |
| 677 | return 1; |
| 678 | } |
| 679 | } else { |
| 680 | passphrase = NULL; |
| 681 | } |
| 682 | |
| 683 | switch (intype) { |
| 684 | int ret; |
| 685 | |
| 686 | case SSH_KEYTYPE_SSH1: |
| 687 | ssh1key = snew(struct RSAKey); |
| 688 | if (!load_encrypted) { |
| 689 | void *vblob; |
| 690 | char *blob; |
| 691 | int n, l, bloblen; |
| 692 | |
| 693 | ret = rsakey_pubblob(&infilename, &vblob, &bloblen, &error); |
| 694 | blob = (char *)vblob; |
| 695 | |
| 696 | n = 4; /* skip modulus bits */ |
| 697 | |
| 698 | l = ssh1_read_bignum(blob + n, bloblen - n, |
| 699 | &ssh1key->exponent); |
| 700 | if (l < 0) { |
| 701 | error = "SSH-1 public key blob was too short"; |
| 702 | } else { |
| 703 | n += l; |
| 704 | l = ssh1_read_bignum(blob + n, bloblen - n, |
| 705 | &ssh1key->modulus); |
| 706 | if (l < 0) { |
| 707 | error = "SSH-1 public key blob was too short"; |
| 708 | } else |
| 709 | n += l; |
| 710 | } |
| 711 | ssh1key->comment = NULL; |
| 712 | ssh1key->private_exponent = NULL; |
| 713 | } else { |
| 714 | ret = loadrsakey(&infilename, ssh1key, passphrase, &error); |
| 715 | } |
| 716 | if (ret > 0) |
| 717 | error = NULL; |
| 718 | else if (!error) |
| 719 | error = "unknown error"; |
| 720 | break; |
| 721 | |
| 722 | case SSH_KEYTYPE_SSH2: |
| 723 | if (!load_encrypted) { |
| 724 | ssh2blob = ssh2_userkey_loadpub(&infilename, &ssh2alg, |
| 725 | &ssh2bloblen, &error); |
| 726 | ssh2algf = find_pubkey_alg(ssh2alg); |
| 727 | if (ssh2algf) |
| 728 | bits = ssh2algf->pubkey_bits(ssh2blob, ssh2bloblen); |
| 729 | else |
| 730 | bits = -1; |
| 731 | } else { |
| 732 | ssh2key = ssh2_load_userkey(&infilename, passphrase, &error); |
| 733 | } |
| 734 | if ((ssh2key && ssh2key != SSH2_WRONG_PASSPHRASE) || ssh2blob) |
| 735 | error = NULL; |
| 736 | else if (!error) { |
| 737 | if (ssh2key == SSH2_WRONG_PASSPHRASE) |
| 738 | error = "wrong passphrase"; |
| 739 | else |
| 740 | error = "unknown error"; |
| 741 | } |
| 742 | break; |
| 743 | |
| 744 | case SSH_KEYTYPE_OPENSSH: |
| 745 | case SSH_KEYTYPE_SSHCOM: |
| 746 | ssh2key = import_ssh2(&infilename, intype, passphrase, &error); |
| 747 | if (ssh2key) { |
| 748 | if (ssh2key != SSH2_WRONG_PASSPHRASE) |
| 749 | error = NULL; |
| 750 | else |
| 751 | error = "wrong passphrase"; |
| 752 | } else if (!error) |
| 753 | error = "unknown error"; |
| 754 | break; |
| 755 | |
| 756 | default: |
| 757 | assert(0); |
| 758 | } |
| 759 | |
| 760 | if (error) { |
| 761 | fprintf(stderr, "puttygen: error loading `%s': %s\n", |
| 762 | infile, error); |
| 763 | return 1; |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | /* |
| 768 | * Change the comment if asked to. |
| 769 | */ |
| 770 | if (comment) { |
| 771 | if (sshver == 1) { |
| 772 | assert(ssh1key); |
| 773 | sfree(ssh1key->comment); |
| 774 | ssh1key->comment = dupstr(comment); |
| 775 | } else { |
| 776 | assert(ssh2key); |
| 777 | sfree(ssh2key->comment); |
| 778 | ssh2key->comment = dupstr(comment); |
| 779 | } |
| 780 | } |
| 781 | |
| 782 | /* |
| 783 | * Prompt for a new passphrase if we have been asked to, or if |
| 784 | * we have just generated a key. |
| 785 | */ |
| 786 | if (change_passphrase || keytype != NOKEYGEN) { |
| 787 | char *passphrase2; |
| 788 | |
| 789 | if (passphrase) { |
| 790 | memset(passphrase, 0, strlen(passphrase)); |
| 791 | sfree(passphrase); |
| 792 | } |
| 793 | |
| 794 | passphrase = snewn(512, char); |
| 795 | passphrase2 = snewn(512, char); |
| 796 | if (!console_get_line("Enter passphrase to save key: ", |
| 797 | passphrase, 512, TRUE) || |
| 798 | !console_get_line("Re-enter passphrase to verify: ", |
| 799 | passphrase2, 512, TRUE)) { |
| 800 | perror("puttygen: unable to read new passphrase"); |
| 801 | return 1; |
| 802 | } |
| 803 | if (strcmp(passphrase, passphrase2)) { |
| 804 | fprintf(stderr, "puttygen: passphrases do not match\n"); |
| 805 | return 1; |
| 806 | } |
| 807 | memset(passphrase2, 0, strlen(passphrase2)); |
| 808 | sfree(passphrase2); |
| 809 | if (!*passphrase) { |
| 810 | sfree(passphrase); |
| 811 | passphrase = NULL; |
| 812 | } |
| 813 | } |
| 814 | |
| 815 | /* |
| 816 | * Write output. |
| 817 | * |
| 818 | * (In the case where outfile and outfiletmp are both NULL, |
| 819 | * there is no semantic reason to initialise outfilename at |
| 820 | * all; but we have to write _something_ to it or some compiler |
| 821 | * will probably complain that it might be used uninitialised.) |
| 822 | */ |
| 823 | if (outfiletmp) |
| 824 | outfilename = filename_from_str(outfiletmp); |
| 825 | else |
| 826 | outfilename = filename_from_str(outfile ? outfile : ""); |
| 827 | |
| 828 | switch (outtype) { |
| 829 | int ret; |
| 830 | |
| 831 | case PRIVATE: |
| 832 | if (sshver == 1) { |
| 833 | assert(ssh1key); |
| 834 | ret = saversakey(&outfilename, ssh1key, passphrase); |
| 835 | if (!ret) { |
| 836 | fprintf(stderr, "puttygen: unable to save SSH-1 private key\n"); |
| 837 | return 1; |
| 838 | } |
| 839 | } else { |
| 840 | assert(ssh2key); |
| 841 | ret = ssh2_save_userkey(&outfilename, ssh2key, passphrase); |
| 842 | if (!ret) { |
| 843 | fprintf(stderr, "puttygen: unable to save SSH-2 private key\n"); |
| 844 | return 1; |
| 845 | } |
| 846 | } |
| 847 | if (outfiletmp) { |
| 848 | if (!move(outfiletmp, outfile)) |
| 849 | return 1; /* rename failed */ |
| 850 | } |
| 851 | break; |
| 852 | |
| 853 | case PUBLIC: |
| 854 | case PUBLICO: |
| 855 | if (sshver == 1) { |
| 856 | FILE *fp; |
| 857 | char *dec1, *dec2; |
| 858 | |
| 859 | assert(ssh1key); |
| 860 | |
| 861 | if (outfile) |
| 862 | fp = f_open(outfilename, "w"); |
| 863 | else |
| 864 | fp = stdout; |
| 865 | dec1 = bignum_decimal(ssh1key->exponent); |
| 866 | dec2 = bignum_decimal(ssh1key->modulus); |
| 867 | fprintf(fp, "%d %s %s %s\n", bignum_bitcount(ssh1key->modulus), |
| 868 | dec1, dec2, ssh1key->comment); |
| 869 | sfree(dec1); |
| 870 | sfree(dec2); |
| 871 | if (outfile) |
| 872 | fclose(fp); |
| 873 | } else if (outtype == PUBLIC) { |
| 874 | if (!ssh2blob) { |
| 875 | assert(ssh2key); |
| 876 | ssh2blob = ssh2key->alg->public_blob(ssh2key->data, |
| 877 | &ssh2bloblen); |
| 878 | } |
| 879 | save_ssh2_pubkey(outfile, ssh2key ? ssh2key->comment : origcomment, |
| 880 | ssh2blob, ssh2bloblen); |
| 881 | } else if (outtype == PUBLICO) { |
| 882 | char *buffer, *p; |
| 883 | int i; |
| 884 | FILE *fp; |
| 885 | |
| 886 | if (!ssh2blob) { |
| 887 | assert(ssh2key); |
| 888 | ssh2blob = ssh2key->alg->public_blob(ssh2key->data, |
| 889 | &ssh2bloblen); |
| 890 | } |
| 891 | if (!ssh2alg) { |
| 892 | assert(ssh2key); |
| 893 | ssh2alg = ssh2key->alg->name; |
| 894 | } |
| 895 | if (ssh2key) |
| 896 | comment = ssh2key->comment; |
| 897 | else |
| 898 | comment = origcomment; |
| 899 | |
| 900 | buffer = snewn(strlen(ssh2alg) + |
| 901 | 4 * ((ssh2bloblen+2) / 3) + |
| 902 | strlen(comment) + 3, char); |
| 903 | strcpy(buffer, ssh2alg); |
| 904 | p = buffer + strlen(buffer); |
| 905 | *p++ = ' '; |
| 906 | i = 0; |
| 907 | while (i < ssh2bloblen) { |
| 908 | int n = (ssh2bloblen - i < 3 ? ssh2bloblen - i : 3); |
| 909 | base64_encode_atom(ssh2blob + i, n, p); |
| 910 | i += n; |
| 911 | p += 4; |
| 912 | } |
| 913 | if (*comment) { |
| 914 | *p++ = ' '; |
| 915 | strcpy(p, comment); |
| 916 | } else |
| 917 | *p++ = '\0'; |
| 918 | |
| 919 | if (outfile) |
| 920 | fp = f_open(outfilename, "w"); |
| 921 | else |
| 922 | fp = stdout; |
| 923 | fprintf(fp, "%s\n", buffer); |
| 924 | if (outfile) |
| 925 | fclose(fp); |
| 926 | |
| 927 | sfree(buffer); |
| 928 | } |
| 929 | break; |
| 930 | |
| 931 | case FP: |
| 932 | { |
| 933 | FILE *fp; |
| 934 | char *fingerprint; |
| 935 | |
| 936 | if (sshver == 1) { |
| 937 | assert(ssh1key); |
| 938 | fingerprint = snewn(128, char); |
| 939 | rsa_fingerprint(fingerprint, 128, ssh1key); |
| 940 | } else { |
| 941 | if (ssh2key) { |
| 942 | fingerprint = ssh2key->alg->fingerprint(ssh2key->data); |
| 943 | } else { |
| 944 | assert(ssh2blob); |
| 945 | fingerprint = blobfp(ssh2alg, bits, ssh2blob, ssh2bloblen); |
| 946 | } |
| 947 | } |
| 948 | |
| 949 | if (outfile) |
| 950 | fp = f_open(outfilename, "w"); |
| 951 | else |
| 952 | fp = stdout; |
| 953 | fprintf(fp, "%s\n", fingerprint); |
| 954 | if (outfile) |
| 955 | fclose(fp); |
| 956 | |
| 957 | sfree(fingerprint); |
| 958 | } |
| 959 | break; |
| 960 | |
| 961 | case OPENSSH: |
| 962 | case SSHCOM: |
| 963 | assert(sshver == 2); |
| 964 | assert(ssh2key); |
| 965 | ret = export_ssh2(&outfilename, outtype, ssh2key, passphrase); |
| 966 | if (!ret) { |
| 967 | fprintf(stderr, "puttygen: unable to export key\n"); |
| 968 | return 1; |
| 969 | } |
| 970 | if (outfiletmp) { |
| 971 | if (!move(outfiletmp, outfile)) |
| 972 | return 1; /* rename failed */ |
| 973 | } |
| 974 | break; |
| 975 | } |
| 976 | |
| 977 | if (passphrase) { |
| 978 | memset(passphrase, 0, strlen(passphrase)); |
| 979 | sfree(passphrase); |
| 980 | } |
| 981 | |
| 982 | if (ssh1key) |
| 983 | freersakey(ssh1key); |
| 984 | if (ssh2key) { |
| 985 | ssh2key->alg->freekey(ssh2key->data); |
| 986 | sfree(ssh2key); |
| 987 | } |
| 988 | |
| 989 | return 0; |
| 990 | } |
| 991 | |
| 992 | #ifdef TEST_CMDGEN |
| 993 | |
| 994 | #undef main |
| 995 | |
| 996 | #include <stdarg.h> |
| 997 | |
| 998 | int passes, fails; |
| 999 | |
| 1000 | void setup_passphrases(char *first, ...) |
| 1001 | { |
| 1002 | va_list ap; |
| 1003 | char *next; |
| 1004 | |
| 1005 | nprompts = 0; |
| 1006 | if (first) { |
| 1007 | prompts[nprompts++] = first; |
| 1008 | va_start(ap, first); |
| 1009 | while ((next = va_arg(ap, char *)) != NULL) { |
| 1010 | assert(nprompts < lenof(prompts)); |
| 1011 | prompts[nprompts++] = next; |
| 1012 | } |
| 1013 | va_end(ap); |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | void test(int retval, ...) |
| 1018 | { |
| 1019 | va_list ap; |
| 1020 | int i, argc, ret; |
| 1021 | char **argv; |
| 1022 | |
| 1023 | argc = 0; |
| 1024 | va_start(ap, retval); |
| 1025 | while (va_arg(ap, char *) != NULL) |
| 1026 | argc++; |
| 1027 | va_end(ap); |
| 1028 | |
| 1029 | argv = snewn(argc+1, char *); |
| 1030 | va_start(ap, retval); |
| 1031 | for (i = 0; i <= argc; i++) |
| 1032 | argv[i] = va_arg(ap, char *); |
| 1033 | va_end(ap); |
| 1034 | |
| 1035 | promptsgot = 0; |
| 1036 | ret = cmdgen_main(argc, argv); |
| 1037 | |
| 1038 | if (ret != retval) { |
| 1039 | printf("FAILED retval (exp %d got %d):", retval, ret); |
| 1040 | for (i = 0; i < argc; i++) |
| 1041 | printf(" %s", argv[i]); |
| 1042 | printf("\n"); |
| 1043 | fails++; |
| 1044 | } else if (promptsgot != nprompts) { |
| 1045 | printf("FAILED nprompts (exp %d got %d):", nprompts, promptsgot); |
| 1046 | for (i = 0; i < argc; i++) |
| 1047 | printf(" %s", argv[i]); |
| 1048 | printf("\n"); |
| 1049 | fails++; |
| 1050 | } else { |
| 1051 | passes++; |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | void filecmp(char *file1, char *file2, char *fmt, ...) |
| 1056 | { |
| 1057 | /* |
| 1058 | * Ideally I should do file comparison myself, to maximise the |
| 1059 | * portability of this test suite once this application begins |
| 1060 | * running on non-Unix platforms. For the moment, though, |
| 1061 | * calling Unix diff is perfectly adequate. |
| 1062 | */ |
| 1063 | char *buf; |
| 1064 | int ret; |
| 1065 | |
| 1066 | buf = dupprintf("diff -q '%s' '%s'", file1, file2); |
| 1067 | ret = system(buf); |
| 1068 | sfree(buf); |
| 1069 | |
| 1070 | if (ret) { |
| 1071 | va_list ap; |
| 1072 | |
| 1073 | printf("FAILED diff (ret=%d): ", ret); |
| 1074 | |
| 1075 | va_start(ap, fmt); |
| 1076 | vprintf(fmt, ap); |
| 1077 | va_end(ap); |
| 1078 | |
| 1079 | printf("\n"); |
| 1080 | |
| 1081 | fails++; |
| 1082 | } else |
| 1083 | passes++; |
| 1084 | } |
| 1085 | |
| 1086 | char *cleanup_fp(char *s) |
| 1087 | { |
| 1088 | char *p; |
| 1089 | |
| 1090 | if (!strncmp(s, "ssh-", 4)) { |
| 1091 | s += strcspn(s, " \n\t"); |
| 1092 | s += strspn(s, " \n\t"); |
| 1093 | } |
| 1094 | |
| 1095 | p = s; |
| 1096 | s += strcspn(s, " \n\t"); |
| 1097 | s += strspn(s, " \n\t"); |
| 1098 | s += strcspn(s, " \n\t"); |
| 1099 | |
| 1100 | return dupprintf("%.*s", s - p, p); |
| 1101 | } |
| 1102 | |
| 1103 | char *get_fp(char *filename) |
| 1104 | { |
| 1105 | FILE *fp; |
| 1106 | char buf[256], *ret; |
| 1107 | |
| 1108 | fp = fopen(filename, "r"); |
| 1109 | if (!fp) |
| 1110 | return NULL; |
| 1111 | ret = fgets(buf, sizeof(buf), fp); |
| 1112 | fclose(fp); |
| 1113 | if (!ret) |
| 1114 | return NULL; |
| 1115 | return cleanup_fp(buf); |
| 1116 | } |
| 1117 | |
| 1118 | void check_fp(char *filename, char *fp, char *fmt, ...) |
| 1119 | { |
| 1120 | char *newfp; |
| 1121 | |
| 1122 | if (!fp) |
| 1123 | return; |
| 1124 | |
| 1125 | newfp = get_fp(filename); |
| 1126 | |
| 1127 | if (!strcmp(fp, newfp)) { |
| 1128 | passes++; |
| 1129 | } else { |
| 1130 | va_list ap; |
| 1131 | |
| 1132 | printf("FAILED check_fp ['%s' != '%s']: ", newfp, fp); |
| 1133 | |
| 1134 | va_start(ap, fmt); |
| 1135 | vprintf(fmt, ap); |
| 1136 | va_end(ap); |
| 1137 | |
| 1138 | printf("\n"); |
| 1139 | |
| 1140 | fails++; |
| 1141 | } |
| 1142 | |
| 1143 | sfree(newfp); |
| 1144 | } |
| 1145 | |
| 1146 | int main(int argc, char **argv) |
| 1147 | { |
| 1148 | int i; |
| 1149 | static char *const keytypes[] = { "rsa1", "dsa", "rsa" }; |
| 1150 | |
| 1151 | /* |
| 1152 | * Even when this thing is compiled for automatic test mode, |
| 1153 | * it's helpful to be able to invoke it with command-line |
| 1154 | * options for _manual_ tests. |
| 1155 | */ |
| 1156 | if (argc > 1) |
| 1157 | return cmdgen_main(argc, argv); |
| 1158 | |
| 1159 | passes = fails = 0; |
| 1160 | |
| 1161 | for (i = 0; i < lenof(keytypes); i++) { |
| 1162 | char filename[128], osfilename[128], scfilename[128]; |
| 1163 | char pubfilename[128], tmpfilename1[128], tmpfilename2[128]; |
| 1164 | char *fp; |
| 1165 | |
| 1166 | sprintf(filename, "test-%s.ppk", keytypes[i]); |
| 1167 | sprintf(pubfilename, "test-%s.pub", keytypes[i]); |
| 1168 | sprintf(osfilename, "test-%s.os", keytypes[i]); |
| 1169 | sprintf(scfilename, "test-%s.sc", keytypes[i]); |
| 1170 | sprintf(tmpfilename1, "test-%s.tmp1", keytypes[i]); |
| 1171 | sprintf(tmpfilename2, "test-%s.tmp2", keytypes[i]); |
| 1172 | |
| 1173 | /* |
| 1174 | * Create an encrypted key. |
| 1175 | */ |
| 1176 | setup_passphrases("sponge", "sponge", NULL); |
| 1177 | test(0, "puttygen", "-t", keytypes[i], "-o", filename, NULL); |
| 1178 | |
| 1179 | /* |
| 1180 | * List the public key in OpenSSH format. |
| 1181 | */ |
| 1182 | setup_passphrases(NULL); |
| 1183 | test(0, "puttygen", "-L", filename, "-o", pubfilename, NULL); |
| 1184 | { |
| 1185 | char cmdbuf[256]; |
| 1186 | fp = NULL; |
| 1187 | sprintf(cmdbuf, "ssh-keygen -l -f '%s' > '%s'", |
| 1188 | pubfilename, tmpfilename1); |
| 1189 | if (system(cmdbuf) || |
| 1190 | (fp = get_fp(tmpfilename1)) == NULL) { |
| 1191 | printf("UNABLE to test fingerprint matching against OpenSSH"); |
| 1192 | } |
| 1193 | } |
| 1194 | |
| 1195 | /* |
| 1196 | * List the public key in IETF/ssh.com format. |
| 1197 | */ |
| 1198 | setup_passphrases(NULL); |
| 1199 | test(0, "puttygen", "-p", filename, NULL); |
| 1200 | |
| 1201 | /* |
| 1202 | * List the fingerprint of the key. |
| 1203 | */ |
| 1204 | setup_passphrases(NULL); |
| 1205 | test(0, "puttygen", "-l", filename, "-o", tmpfilename1, NULL); |
| 1206 | if (!fp) { |
| 1207 | /* |
| 1208 | * If we can't test fingerprints against OpenSSH, we |
| 1209 | * can at the very least test equality of all the |
| 1210 | * fingerprints we generate of this key throughout |
| 1211 | * testing. |
| 1212 | */ |
| 1213 | fp = get_fp(tmpfilename1); |
| 1214 | } else { |
| 1215 | check_fp(tmpfilename1, fp, "%s initial fp", keytypes[i]); |
| 1216 | } |
| 1217 | |
| 1218 | /* |
| 1219 | * Change the comment of the key; this _does_ require a |
| 1220 | * passphrase owing to the tamperproofing. |
| 1221 | * |
| 1222 | * NOTE: In SSH-1, this only requires a passphrase because |
| 1223 | * of inadequacies of the loading and saving mechanisms. In |
| 1224 | * _principle_, it should be perfectly possible to modify |
| 1225 | * the comment on an SSH-1 key without requiring a |
| 1226 | * passphrase; the only reason I can't do it is because my |
| 1227 | * loading and saving mechanisms don't include a method of |
| 1228 | * loading all the key data without also trying to decrypt |
| 1229 | * the private section. |
| 1230 | * |
| 1231 | * I don't consider this to be a problem worth solving, |
| 1232 | * because (a) to fix it would probably end up bloating |
| 1233 | * PuTTY proper, and (b) SSH-1 is on the way out anyway so |
| 1234 | * it shouldn't be highly significant. If it seriously |
| 1235 | * bothers anyone then perhaps I _might_ be persuadable. |
| 1236 | */ |
| 1237 | setup_passphrases("sponge", NULL); |
| 1238 | test(0, "puttygen", "-C", "new-comment", filename, NULL); |
| 1239 | |
| 1240 | /* |
| 1241 | * Change the passphrase to nothing. |
| 1242 | */ |
| 1243 | setup_passphrases("sponge", "", "", NULL); |
| 1244 | test(0, "puttygen", "-P", filename, NULL); |
| 1245 | |
| 1246 | /* |
| 1247 | * Change the comment of the key again; this time we expect no |
| 1248 | * passphrase to be required. |
| 1249 | */ |
| 1250 | setup_passphrases(NULL); |
| 1251 | test(0, "puttygen", "-C", "new-comment-2", filename, NULL); |
| 1252 | |
| 1253 | /* |
| 1254 | * Export the private key into OpenSSH format; no passphrase |
| 1255 | * should be required since the key is currently unencrypted. |
| 1256 | * For RSA1 keys, this should give an error. |
| 1257 | */ |
| 1258 | setup_passphrases(NULL); |
| 1259 | test((i==0), "puttygen", "-O", "private-openssh", "-o", osfilename, |
| 1260 | filename, NULL); |
| 1261 | |
| 1262 | if (i) { |
| 1263 | /* |
| 1264 | * List the fingerprint of the OpenSSH-formatted key. |
| 1265 | */ |
| 1266 | setup_passphrases(NULL); |
| 1267 | test(0, "puttygen", "-l", osfilename, "-o", tmpfilename1, NULL); |
| 1268 | check_fp(tmpfilename1, fp, "%s openssh clear fp", keytypes[i]); |
| 1269 | |
| 1270 | /* |
| 1271 | * List the public half of the OpenSSH-formatted key in |
| 1272 | * OpenSSH format. |
| 1273 | */ |
| 1274 | setup_passphrases(NULL); |
| 1275 | test(0, "puttygen", "-L", osfilename, NULL); |
| 1276 | |
| 1277 | /* |
| 1278 | * List the public half of the OpenSSH-formatted key in |
| 1279 | * IETF/ssh.com format. |
| 1280 | */ |
| 1281 | setup_passphrases(NULL); |
| 1282 | test(0, "puttygen", "-p", osfilename, NULL); |
| 1283 | } |
| 1284 | |
| 1285 | /* |
| 1286 | * Export the private key into ssh.com format; no passphrase |
| 1287 | * should be required since the key is currently unencrypted. |
| 1288 | * For RSA1 keys, this should give an error. |
| 1289 | */ |
| 1290 | setup_passphrases(NULL); |
| 1291 | test((i==0), "puttygen", "-O", "private-sshcom", "-o", scfilename, |
| 1292 | filename, NULL); |
| 1293 | |
| 1294 | if (i) { |
| 1295 | /* |
| 1296 | * List the fingerprint of the ssh.com-formatted key. |
| 1297 | */ |
| 1298 | setup_passphrases(NULL); |
| 1299 | test(0, "puttygen", "-l", scfilename, "-o", tmpfilename1, NULL); |
| 1300 | check_fp(tmpfilename1, fp, "%s ssh.com clear fp", keytypes[i]); |
| 1301 | |
| 1302 | /* |
| 1303 | * List the public half of the ssh.com-formatted key in |
| 1304 | * OpenSSH format. |
| 1305 | */ |
| 1306 | setup_passphrases(NULL); |
| 1307 | test(0, "puttygen", "-L", scfilename, NULL); |
| 1308 | |
| 1309 | /* |
| 1310 | * List the public half of the ssh.com-formatted key in |
| 1311 | * IETF/ssh.com format. |
| 1312 | */ |
| 1313 | setup_passphrases(NULL); |
| 1314 | test(0, "puttygen", "-p", scfilename, NULL); |
| 1315 | } |
| 1316 | |
| 1317 | if (i) { |
| 1318 | /* |
| 1319 | * Convert from OpenSSH into ssh.com. |
| 1320 | */ |
| 1321 | setup_passphrases(NULL); |
| 1322 | test(0, "puttygen", osfilename, "-o", tmpfilename1, |
| 1323 | "-O", "private-sshcom", NULL); |
| 1324 | |
| 1325 | /* |
| 1326 | * Convert from ssh.com back into a PuTTY key, |
| 1327 | * supplying the same comment as we had before we |
| 1328 | * started to ensure the comparison works. |
| 1329 | */ |
| 1330 | setup_passphrases(NULL); |
| 1331 | test(0, "puttygen", tmpfilename1, "-C", "new-comment-2", |
| 1332 | "-o", tmpfilename2, NULL); |
| 1333 | |
| 1334 | /* |
| 1335 | * See if the PuTTY key thus generated is the same as |
| 1336 | * the original. |
| 1337 | */ |
| 1338 | filecmp(filename, tmpfilename2, |
| 1339 | "p->o->s->p clear %s", keytypes[i]); |
| 1340 | |
| 1341 | /* |
| 1342 | * Convert from ssh.com to OpenSSH. |
| 1343 | */ |
| 1344 | setup_passphrases(NULL); |
| 1345 | test(0, "puttygen", scfilename, "-o", tmpfilename1, |
| 1346 | "-O", "private-openssh", NULL); |
| 1347 | |
| 1348 | /* |
| 1349 | * Convert from OpenSSH back into a PuTTY key, |
| 1350 | * supplying the same comment as we had before we |
| 1351 | * started to ensure the comparison works. |
| 1352 | */ |
| 1353 | setup_passphrases(NULL); |
| 1354 | test(0, "puttygen", tmpfilename1, "-C", "new-comment-2", |
| 1355 | "-o", tmpfilename2, NULL); |
| 1356 | |
| 1357 | /* |
| 1358 | * See if the PuTTY key thus generated is the same as |
| 1359 | * the original. |
| 1360 | */ |
| 1361 | filecmp(filename, tmpfilename2, |
| 1362 | "p->s->o->p clear %s", keytypes[i]); |
| 1363 | |
| 1364 | /* |
| 1365 | * Finally, do a round-trip conversion between PuTTY |
| 1366 | * and ssh.com without involving OpenSSH, to test that |
| 1367 | * the key comment is preserved in that case. |
| 1368 | */ |
| 1369 | setup_passphrases(NULL); |
| 1370 | test(0, "puttygen", "-O", "private-sshcom", "-o", tmpfilename1, |
| 1371 | filename, NULL); |
| 1372 | setup_passphrases(NULL); |
| 1373 | test(0, "puttygen", tmpfilename1, "-o", tmpfilename2, NULL); |
| 1374 | filecmp(filename, tmpfilename2, |
| 1375 | "p->s->p clear %s", keytypes[i]); |
| 1376 | } |
| 1377 | |
| 1378 | /* |
| 1379 | * Check that mismatched passphrases cause an error. |
| 1380 | */ |
| 1381 | setup_passphrases("sponge2", "sponge3", NULL); |
| 1382 | test(1, "puttygen", "-P", filename, NULL); |
| 1383 | |
| 1384 | /* |
| 1385 | * Put a passphrase back on. |
| 1386 | */ |
| 1387 | setup_passphrases("sponge2", "sponge2", NULL); |
| 1388 | test(0, "puttygen", "-P", filename, NULL); |
| 1389 | |
| 1390 | /* |
| 1391 | * Export the private key into OpenSSH format, this time |
| 1392 | * while encrypted. For RSA1 keys, this should give an |
| 1393 | * error. |
| 1394 | */ |
| 1395 | if (i == 0) |
| 1396 | setup_passphrases(NULL); /* error, hence no passphrase read */ |
| 1397 | else |
| 1398 | setup_passphrases("sponge2", NULL); |
| 1399 | test((i==0), "puttygen", "-O", "private-openssh", "-o", osfilename, |
| 1400 | filename, NULL); |
| 1401 | |
| 1402 | if (i) { |
| 1403 | /* |
| 1404 | * List the fingerprint of the OpenSSH-formatted key. |
| 1405 | */ |
| 1406 | setup_passphrases("sponge2", NULL); |
| 1407 | test(0, "puttygen", "-l", osfilename, "-o", tmpfilename1, NULL); |
| 1408 | check_fp(tmpfilename1, fp, "%s openssh encrypted fp", keytypes[i]); |
| 1409 | |
| 1410 | /* |
| 1411 | * List the public half of the OpenSSH-formatted key in |
| 1412 | * OpenSSH format. |
| 1413 | */ |
| 1414 | setup_passphrases("sponge2", NULL); |
| 1415 | test(0, "puttygen", "-L", osfilename, NULL); |
| 1416 | |
| 1417 | /* |
| 1418 | * List the public half of the OpenSSH-formatted key in |
| 1419 | * IETF/ssh.com format. |
| 1420 | */ |
| 1421 | setup_passphrases("sponge2", NULL); |
| 1422 | test(0, "puttygen", "-p", osfilename, NULL); |
| 1423 | } |
| 1424 | |
| 1425 | /* |
| 1426 | * Export the private key into ssh.com format, this time |
| 1427 | * while encrypted. For RSA1 keys, this should give an |
| 1428 | * error. |
| 1429 | */ |
| 1430 | if (i == 0) |
| 1431 | setup_passphrases(NULL); /* error, hence no passphrase read */ |
| 1432 | else |
| 1433 | setup_passphrases("sponge2", NULL); |
| 1434 | test((i==0), "puttygen", "-O", "private-sshcom", "-o", scfilename, |
| 1435 | filename, NULL); |
| 1436 | |
| 1437 | if (i) { |
| 1438 | /* |
| 1439 | * List the fingerprint of the ssh.com-formatted key. |
| 1440 | */ |
| 1441 | setup_passphrases("sponge2", NULL); |
| 1442 | test(0, "puttygen", "-l", scfilename, "-o", tmpfilename1, NULL); |
| 1443 | check_fp(tmpfilename1, fp, "%s ssh.com encrypted fp", keytypes[i]); |
| 1444 | |
| 1445 | /* |
| 1446 | * List the public half of the ssh.com-formatted key in |
| 1447 | * OpenSSH format. |
| 1448 | */ |
| 1449 | setup_passphrases("sponge2", NULL); |
| 1450 | test(0, "puttygen", "-L", scfilename, NULL); |
| 1451 | |
| 1452 | /* |
| 1453 | * List the public half of the ssh.com-formatted key in |
| 1454 | * IETF/ssh.com format. |
| 1455 | */ |
| 1456 | setup_passphrases("sponge2", NULL); |
| 1457 | test(0, "puttygen", "-p", scfilename, NULL); |
| 1458 | } |
| 1459 | |
| 1460 | if (i) { |
| 1461 | /* |
| 1462 | * Convert from OpenSSH into ssh.com. |
| 1463 | */ |
| 1464 | setup_passphrases("sponge2", NULL); |
| 1465 | test(0, "puttygen", osfilename, "-o", tmpfilename1, |
| 1466 | "-O", "private-sshcom", NULL); |
| 1467 | |
| 1468 | /* |
| 1469 | * Convert from ssh.com back into a PuTTY key, |
| 1470 | * supplying the same comment as we had before we |
| 1471 | * started to ensure the comparison works. |
| 1472 | */ |
| 1473 | setup_passphrases("sponge2", NULL); |
| 1474 | test(0, "puttygen", tmpfilename1, "-C", "new-comment-2", |
| 1475 | "-o", tmpfilename2, NULL); |
| 1476 | |
| 1477 | /* |
| 1478 | * See if the PuTTY key thus generated is the same as |
| 1479 | * the original. |
| 1480 | */ |
| 1481 | filecmp(filename, tmpfilename2, |
| 1482 | "p->o->s->p encrypted %s", keytypes[i]); |
| 1483 | |
| 1484 | /* |
| 1485 | * Convert from ssh.com to OpenSSH. |
| 1486 | */ |
| 1487 | setup_passphrases("sponge2", NULL); |
| 1488 | test(0, "puttygen", scfilename, "-o", tmpfilename1, |
| 1489 | "-O", "private-openssh", NULL); |
| 1490 | |
| 1491 | /* |
| 1492 | * Convert from OpenSSH back into a PuTTY key, |
| 1493 | * supplying the same comment as we had before we |
| 1494 | * started to ensure the comparison works. |
| 1495 | */ |
| 1496 | setup_passphrases("sponge2", NULL); |
| 1497 | test(0, "puttygen", tmpfilename1, "-C", "new-comment-2", |
| 1498 | "-o", tmpfilename2, NULL); |
| 1499 | |
| 1500 | /* |
| 1501 | * See if the PuTTY key thus generated is the same as |
| 1502 | * the original. |
| 1503 | */ |
| 1504 | filecmp(filename, tmpfilename2, |
| 1505 | "p->s->o->p encrypted %s", keytypes[i]); |
| 1506 | |
| 1507 | /* |
| 1508 | * Finally, do a round-trip conversion between PuTTY |
| 1509 | * and ssh.com without involving OpenSSH, to test that |
| 1510 | * the key comment is preserved in that case. |
| 1511 | */ |
| 1512 | setup_passphrases("sponge2", NULL); |
| 1513 | test(0, "puttygen", "-O", "private-sshcom", "-o", tmpfilename1, |
| 1514 | filename, NULL); |
| 1515 | setup_passphrases("sponge2", NULL); |
| 1516 | test(0, "puttygen", tmpfilename1, "-o", tmpfilename2, NULL); |
| 1517 | filecmp(filename, tmpfilename2, |
| 1518 | "p->s->p encrypted %s", keytypes[i]); |
| 1519 | } |
| 1520 | |
| 1521 | /* |
| 1522 | * Load with the wrong passphrase. |
| 1523 | */ |
| 1524 | setup_passphrases("sponge8", NULL); |
| 1525 | test(1, "puttygen", "-C", "spurious-new-comment", filename, NULL); |
| 1526 | |
| 1527 | /* |
| 1528 | * Load a totally bogus file. |
| 1529 | */ |
| 1530 | setup_passphrases(NULL); |
| 1531 | test(1, "puttygen", "-C", "spurious-new-comment", pubfilename, NULL); |
| 1532 | } |
| 1533 | printf("%d passes, %d fails\n", passes, fails); |
| 1534 | return 0; |
| 1535 | } |
| 1536 | |
| 1537 | #endif |