47a6b94c |
1 | /* |
2 | * cmdgen.c - command-line form of PuTTYgen |
3 | */ |
4 | |
47a6b94c |
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 | |
b81cca98 |
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 | * |
edd0cb8a |
28 | * - Calls to console_get_userpass_input() are replaced with the |
29 | * diagnostic function below, so that I can run tests in an |
30 | * automated manner and provide their interactive passphrase |
31 | * inputs. |
b81cca98 |
32 | * |
33 | * - main() is renamed to cmdgen_main(); at the bottom of the file |
34 | * I define another main() which calls the former repeatedly to |
35 | * run tests. |
36 | */ |
47a6b94c |
37 | #define get_random_data get_random_data_diagnostic |
38 | char *get_random_data(int len) |
39 | { |
40 | char *buf = snewn(len, char); |
41 | memset(buf, 'x', len); |
42 | return buf; |
43 | } |
edd0cb8a |
44 | #define console_get_userpass_input console_get_userpass_input_diagnostic |
b81cca98 |
45 | int nprompts, promptsgot; |
46 | const char *prompts[3]; |
edd0cb8a |
47 | int console_get_userpass_input(prompts_t *p, unsigned char *in, int inlen) |
b81cca98 |
48 | { |
edd0cb8a |
49 | size_t i; |
50 | int ret = 1; |
51 | for (i = 0; i < p->n_prompts; i++) { |
52 | if (promptsgot < nprompts) { |
53 | assert(strlen(prompts[promptsgot]) < p->prompts[i]->result_len); |
54 | strcpy(p->prompts[i]->result, prompts[promptsgot++]); |
55 | } else { |
56 | promptsgot++; /* track number of requests anyway */ |
57 | ret = 0; |
58 | } |
b81cca98 |
59 | } |
edd0cb8a |
60 | return ret; |
b81cca98 |
61 | } |
62 | #define main cmdgen_main |
47a6b94c |
63 | #endif |
64 | |
65 | struct progress { |
66 | int phase, current; |
67 | }; |
68 | |
69 | static void progress_update(void *param, int action, int phase, int iprogress) |
70 | { |
71 | struct progress *p = (struct progress *)param; |
72 | if (action != PROGFN_PROGRESS) |
73 | return; |
74 | if (phase > p->phase) { |
75 | if (p->phase >= 0) |
76 | fputc('\n', stderr); |
77 | p->phase = phase; |
78 | if (iprogress >= 0) |
79 | p->current = iprogress - 1; |
80 | else |
81 | p->current = iprogress; |
82 | } |
83 | while (p->current < iprogress) { |
84 | fputc('+', stdout); |
85 | p->current++; |
86 | } |
87 | fflush(stdout); |
88 | } |
89 | |
90 | static void no_progress(void *param, int action, int phase, int iprogress) |
91 | { |
92 | } |
93 | |
94 | void modalfatalbox(char *p, ...) |
95 | { |
96 | va_list ap; |
97 | fprintf(stderr, "FATAL ERROR: "); |
98 | va_start(ap, p); |
99 | vfprintf(stderr, p, ap); |
100 | va_end(ap); |
101 | fputc('\n', stderr); |
102 | cleanup_exit(1); |
103 | } |
104 | |
105 | /* |
106 | * Stubs to let everything else link sensibly. |
107 | */ |
108 | void log_eventlog(void *handle, const char *event) |
109 | { |
110 | } |
111 | char *x_get_default(const char *key) |
112 | { |
113 | return NULL; |
114 | } |
115 | void sk_cleanup(void) |
116 | { |
117 | } |
118 | |
119 | void showversion(void) |
120 | { |
121 | char *verstr = dupstr(ver); |
d9e0300f |
122 | verstr[0] = tolower((unsigned char)verstr[0]); |
47a6b94c |
123 | printf("PuTTYgen %s\n", verstr); |
124 | sfree(verstr); |
125 | } |
126 | |
e49a814b |
127 | void usage(int standalone) |
47a6b94c |
128 | { |
129 | fprintf(stderr, |
130 | "Usage: puttygen ( keyfile | -t type [ -b bits ] )\n" |
27507d53 |
131 | " [ -C comment ] [ -P ] [ -q ]\n" |
136d127a |
132 | " [ -o output-keyfile ] [ -O type | -l | -L" |
133 | " | -p ]\n"); |
e49a814b |
134 | if (standalone) |
135 | fprintf(stderr, |
136 | "Use \"puttygen --help\" for more detail.\n"); |
47a6b94c |
137 | } |
138 | |
139 | void help(void) |
140 | { |
141 | /* |
142 | * Help message is an extended version of the usage message. So |
143 | * start with that, plus a version heading. |
144 | */ |
145 | showversion(); |
e49a814b |
146 | usage(FALSE); |
47a6b94c |
147 | fprintf(stderr, |
148 | " -t specify key type when generating (rsa, dsa, rsa1)\n" |
136d127a |
149 | " -b specify number of bits when generating key\n" |
47a6b94c |
150 | " -C change or specify key comment\n" |
151 | " -P change key passphrase\n" |
27507d53 |
152 | " -q quiet: do not display progress bar\n" |
47a6b94c |
153 | " -O specify output type:\n" |
154 | " private output PuTTY private key format\n" |
155 | " private-openssh export OpenSSH private key\n" |
156 | " private-sshcom export ssh.com private key\n" |
157 | " public standard / ssh.com public key\n" |
158 | " public-openssh OpenSSH public key\n" |
159 | " fingerprint output the key fingerprint\n" |
136d127a |
160 | " -o specify output file\n" |
47a6b94c |
161 | " -l equivalent to `-O fingerprint'\n" |
162 | " -L equivalent to `-O public-openssh'\n" |
163 | " -p equivalent to `-O public'\n" |
164 | ); |
165 | } |
166 | |
167 | static int save_ssh2_pubkey(char *filename, char *comment, |
168 | void *v_pub_blob, int pub_len) |
169 | { |
170 | unsigned char *pub_blob = (unsigned char *)v_pub_blob; |
171 | char *p; |
172 | int i, column; |
173 | FILE *fp; |
174 | |
175 | if (filename) { |
176 | fp = fopen(filename, "wb"); |
177 | if (!fp) |
178 | return 0; |
179 | } else |
180 | fp = stdout; |
181 | |
182 | fprintf(fp, "---- BEGIN SSH2 PUBLIC KEY ----\n"); |
183 | |
184 | if (comment) { |
185 | fprintf(fp, "Comment: \""); |
186 | for (p = comment; *p; p++) { |
187 | if (*p == '\\' || *p == '\"') |
188 | fputc('\\', fp); |
189 | fputc(*p, fp); |
190 | } |
191 | fprintf(fp, "\"\n"); |
192 | } |
193 | |
194 | i = 0; |
195 | column = 0; |
196 | while (i < pub_len) { |
197 | char buf[5]; |
198 | int n = (pub_len - i < 3 ? pub_len - i : 3); |
199 | base64_encode_atom(pub_blob + i, n, buf); |
200 | i += n; |
201 | buf[4] = '\0'; |
202 | fputs(buf, fp); |
203 | if (++column >= 16) { |
204 | fputc('\n', fp); |
205 | column = 0; |
206 | } |
207 | } |
208 | if (column > 0) |
209 | fputc('\n', fp); |
210 | |
211 | fprintf(fp, "---- END SSH2 PUBLIC KEY ----\n"); |
212 | if (filename) |
213 | fclose(fp); |
214 | return 1; |
215 | } |
216 | |
b81cca98 |
217 | static int move(char *from, char *to) |
47a6b94c |
218 | { |
219 | int ret; |
220 | |
221 | ret = rename(from, to); |
222 | if (ret) { |
223 | /* |
224 | * This OS may require us to remove the original file first. |
225 | */ |
226 | remove(to); |
227 | ret = rename(from, to); |
228 | } |
229 | if (ret) { |
230 | perror("puttygen: cannot move new file on to old one"); |
b81cca98 |
231 | return FALSE; |
47a6b94c |
232 | } |
b81cca98 |
233 | return TRUE; |
47a6b94c |
234 | } |
235 | |
8a9977e5 |
236 | static char *blobfp(char *alg, int bits, unsigned char *blob, int bloblen) |
47a6b94c |
237 | { |
238 | char buffer[128]; |
239 | unsigned char digest[16]; |
240 | struct MD5Context md5c; |
241 | int i; |
242 | |
243 | MD5Init(&md5c); |
244 | MD5Update(&md5c, blob, bloblen); |
245 | MD5Final(digest, &md5c); |
246 | |
247 | sprintf(buffer, "%s ", alg); |
248 | if (bits > 0) |
249 | sprintf(buffer + strlen(buffer), "%d ", bits); |
250 | for (i = 0; i < 16; i++) |
251 | sprintf(buffer + strlen(buffer), "%s%02x", i ? ":" : "", |
252 | digest[i]); |
253 | |
254 | return dupstr(buffer); |
255 | } |
256 | |
257 | int main(int argc, char **argv) |
258 | { |
259 | char *infile = NULL; |
962468d4 |
260 | Filename *infilename, *outfilename; |
47a6b94c |
261 | enum { NOKEYGEN, RSA1, RSA2, DSA } keytype = NOKEYGEN; |
262 | char *outfile = NULL, *outfiletmp = NULL; |
47a6b94c |
263 | enum { PRIVATE, PUBLIC, PUBLICO, FP, OPENSSH, SSHCOM } outtype = PRIVATE; |
264 | int bits = 1024; |
265 | char *comment = NULL, *origcomment = NULL; |
266 | int change_passphrase = FALSE; |
267 | int errs = FALSE, nogo = FALSE; |
268 | int intype = SSH_KEYTYPE_UNOPENABLE; |
269 | int sshver = 0; |
270 | struct ssh2_userkey *ssh2key = NULL; |
271 | struct RSAKey *ssh1key = NULL; |
8a9977e5 |
272 | unsigned char *ssh2blob = NULL; |
273 | char *ssh2alg = NULL; |
47a6b94c |
274 | const struct ssh_signkey *ssh2algf = NULL; |
275 | int ssh2bloblen; |
276 | char *passphrase = NULL; |
277 | int load_encrypted; |
278 | progfn_t progressfn = is_interactive() ? progress_update : no_progress; |
279 | |
280 | /* ------------------------------------------------------------------ |
281 | * Parse the command line to figure out what we've been asked to do. |
282 | */ |
283 | |
284 | /* |
285 | * If run with no arguments at all, print the usage message and |
286 | * return success. |
287 | */ |
288 | if (argc <= 1) { |
e49a814b |
289 | usage(TRUE); |
47a6b94c |
290 | return 0; |
291 | } |
292 | |
293 | /* |
294 | * Parse command line arguments. |
295 | */ |
296 | while (--argc) { |
297 | char *p = *++argv; |
298 | if (*p == '-') { |
299 | /* |
300 | * An option. |
301 | */ |
302 | while (p && *++p) { |
303 | char c = *p; |
304 | switch (c) { |
305 | case '-': |
306 | /* |
307 | * Long option. |
308 | */ |
309 | { |
310 | char *opt, *val; |
311 | opt = p++; /* opt will have _one_ leading - */ |
312 | while (*p && *p != '=') |
313 | p++; /* find end of option */ |
314 | if (*p == '=') { |
315 | *p++ = '\0'; |
316 | val = p; |
317 | } else |
3ab79841 |
318 | val = NULL; |
319 | |
47a6b94c |
320 | if (!strcmp(opt, "-help")) { |
3ab79841 |
321 | if (val) { |
322 | errs = TRUE; |
323 | fprintf(stderr, "puttygen: option `-%s'" |
324 | " expects no argument\n", opt); |
325 | } else { |
326 | help(); |
327 | nogo = TRUE; |
328 | } |
47a6b94c |
329 | } else if (!strcmp(opt, "-version")) { |
3ab79841 |
330 | if (val) { |
331 | errs = TRUE; |
332 | fprintf(stderr, "puttygen: option `-%s'" |
333 | " expects no argument\n", opt); |
334 | } else { |
335 | showversion(); |
336 | nogo = TRUE; |
337 | } |
2285d016 |
338 | } else if (!strcmp(opt, "-pgpfp")) { |
3ab79841 |
339 | if (val) { |
340 | errs = TRUE; |
341 | fprintf(stderr, "puttygen: option `-%s'" |
342 | " expects no argument\n", opt); |
343 | } else { |
344 | /* support --pgpfp for consistency */ |
345 | pgp_fingerprints(); |
346 | nogo = TRUE; |
347 | } |
2285d016 |
348 | } |
47a6b94c |
349 | /* |
3ab79841 |
350 | * For long options requiring an argument, add |
351 | * code along the lines of |
47a6b94c |
352 | * |
353 | * else if (!strcmp(opt, "-output")) { |
3ab79841 |
354 | * if (!val) { |
355 | * errs = TRUE; |
356 | * fprintf(stderr, "puttygen: option `-%s'" |
357 | * " expects an argument\n", opt); |
358 | * } else |
47a6b94c |
359 | * ofile = val; |
360 | * } |
361 | */ |
362 | else { |
363 | errs = TRUE; |
364 | fprintf(stderr, |
27507d53 |
365 | "puttygen: no such option `-%s'\n", opt); |
47a6b94c |
366 | } |
367 | } |
368 | p = NULL; |
369 | break; |
370 | case 'h': |
371 | case 'V': |
372 | case 'P': |
373 | case 'l': |
374 | case 'L': |
375 | case 'p': |
376 | case 'q': |
377 | /* |
378 | * Option requiring no parameter. |
379 | */ |
380 | switch (c) { |
381 | case 'h': |
382 | help(); |
383 | nogo = TRUE; |
384 | break; |
385 | case 'V': |
386 | showversion(); |
387 | nogo = TRUE; |
388 | break; |
389 | case 'P': |
390 | change_passphrase = TRUE; |
391 | break; |
392 | case 'l': |
393 | outtype = FP; |
394 | break; |
395 | case 'L': |
396 | outtype = PUBLICO; |
397 | break; |
398 | case 'p': |
399 | outtype = PUBLIC; |
400 | break; |
401 | case 'q': |
402 | progressfn = no_progress; |
403 | break; |
404 | } |
405 | break; |
406 | case 't': |
407 | case 'b': |
408 | case 'C': |
409 | case 'O': |
410 | case 'o': |
411 | /* |
412 | * Option requiring parameter. |
413 | */ |
414 | p++; |
415 | if (!*p && argc > 1) |
416 | --argc, p = *++argv; |
417 | else if (!*p) { |
418 | fprintf(stderr, "puttygen: option `-%c' expects a" |
419 | " parameter\n", c); |
420 | errs = TRUE; |
421 | } |
422 | /* |
423 | * Now c is the option and p is the parameter. |
424 | */ |
425 | switch (c) { |
426 | case 't': |
427 | if (!strcmp(p, "rsa") || !strcmp(p, "rsa2")) |
428 | keytype = RSA2, sshver = 2; |
429 | else if (!strcmp(p, "rsa1")) |
430 | keytype = RSA1, sshver = 1; |
431 | else if (!strcmp(p, "dsa") || !strcmp(p, "dss")) |
432 | keytype = DSA, sshver = 2; |
433 | else { |
434 | fprintf(stderr, |
435 | "puttygen: unknown key type `%s'\n", p); |
436 | errs = TRUE; |
437 | } |
438 | break; |
439 | case 'b': |
440 | bits = atoi(p); |
441 | break; |
442 | case 'C': |
443 | comment = p; |
444 | break; |
445 | case 'O': |
446 | if (!strcmp(p, "public")) |
447 | outtype = PUBLIC; |
448 | else if (!strcmp(p, "public-openssh")) |
449 | outtype = PUBLICO; |
450 | else if (!strcmp(p, "private")) |
451 | outtype = PRIVATE; |
452 | else if (!strcmp(p, "fingerprint")) |
453 | outtype = FP; |
454 | else if (!strcmp(p, "private-openssh")) |
455 | outtype = OPENSSH, sshver = 2; |
456 | else if (!strcmp(p, "private-sshcom")) |
457 | outtype = SSHCOM, sshver = 2; |
458 | else { |
459 | fprintf(stderr, |
460 | "puttygen: unknown output type `%s'\n", p); |
461 | errs = TRUE; |
462 | } |
463 | break; |
464 | case 'o': |
465 | outfile = p; |
466 | break; |
467 | } |
468 | p = NULL; /* prevent continued processing */ |
469 | break; |
470 | default: |
471 | /* |
472 | * Unrecognised option. |
473 | */ |
474 | errs = TRUE; |
475 | fprintf(stderr, "puttygen: no such option `-%c'\n", c); |
476 | break; |
477 | } |
478 | } |
479 | } else { |
480 | /* |
481 | * A non-option argument. |
482 | */ |
483 | if (!infile) |
484 | infile = p; |
485 | else { |
486 | errs = TRUE; |
487 | fprintf(stderr, "puttygen: cannot handle more than one" |
488 | " input file\n"); |
489 | } |
490 | } |
491 | } |
492 | |
493 | if (errs) |
494 | return 1; |
495 | |
496 | if (nogo) |
497 | return 0; |
498 | |
499 | /* |
500 | * If run with at least one argument _but_ not the required |
501 | * ones, print the usage message and return failure. |
502 | */ |
503 | if (!infile && keytype == NOKEYGEN) { |
e49a814b |
504 | usage(TRUE); |
47a6b94c |
505 | return 1; |
506 | } |
507 | |
508 | /* ------------------------------------------------------------------ |
509 | * Figure out further details of exactly what we're going to do. |
510 | */ |
511 | |
512 | /* |
513 | * Bomb out if we've been asked to both load and generate a |
514 | * key. |
515 | */ |
27507d53 |
516 | if (keytype != NOKEYGEN && infile) { |
47a6b94c |
517 | fprintf(stderr, "puttygen: cannot both load and generate a key\n"); |
518 | return 1; |
519 | } |
520 | |
27507d53 |
521 | /* |
522 | * We must save the private part when generating a new key. |
523 | */ |
524 | if (keytype != NOKEYGEN && |
525 | (outtype != PRIVATE && outtype != OPENSSH && outtype != SSHCOM)) { |
526 | fprintf(stderr, "puttygen: this would generate a new key but " |
527 | "discard the private part\n"); |
528 | return 1; |
529 | } |
530 | |
47a6b94c |
531 | /* |
532 | * Analyse the type of the input file, in case this affects our |
533 | * course of action. |
534 | */ |
535 | if (infile) { |
536 | infilename = filename_from_str(infile); |
537 | |
962468d4 |
538 | intype = key_type(infilename); |
47a6b94c |
539 | |
540 | switch (intype) { |
541 | /* |
542 | * It would be nice here to be able to load _public_ |
543 | * key files, in any of a number of forms, and (a) |
544 | * convert them to other public key types, (b) print |
545 | * out their fingerprints. Or, I suppose, for real |
546 | * orthogonality, (c) change their comment! |
547 | * |
548 | * In fact this opens some interesting possibilities. |
549 | * Suppose ssh2_userkey_loadpub() were able to load |
550 | * public key files as well as extracting the public |
551 | * key from private ones. And suppose I did the thing |
552 | * I've been wanting to do, where specifying a |
553 | * particular private key file for authentication |
554 | * causes any _other_ key in the agent to be discarded. |
555 | * Then, if you had an agent forwarded to the machine |
556 | * you were running Unix PuTTY or Plink on, and you |
557 | * needed to specify which of the keys in the agent it |
558 | * should use, you could do that by supplying a |
559 | * _public_ key file, thus not needing to trust even |
560 | * your encrypted private key file to the network. Ooh! |
561 | */ |
562 | |
563 | case SSH_KEYTYPE_UNOPENABLE: |
564 | case SSH_KEYTYPE_UNKNOWN: |
565 | fprintf(stderr, "puttygen: unable to load file `%s': %s\n", |
566 | infile, key_type_to_str(intype)); |
567 | return 1; |
568 | |
569 | case SSH_KEYTYPE_SSH1: |
570 | if (sshver == 2) { |
2e85c969 |
571 | fprintf(stderr, "puttygen: conversion from SSH-1 to SSH-2 keys" |
47a6b94c |
572 | " not supported\n"); |
573 | return 1; |
574 | } |
575 | sshver = 1; |
576 | break; |
577 | |
578 | case SSH_KEYTYPE_SSH2: |
579 | case SSH_KEYTYPE_OPENSSH: |
580 | case SSH_KEYTYPE_SSHCOM: |
581 | if (sshver == 1) { |
2e85c969 |
582 | fprintf(stderr, "puttygen: conversion from SSH-2 to SSH-1 keys" |
47a6b94c |
583 | " not supported\n"); |
584 | return 1; |
585 | } |
586 | sshver = 2; |
587 | break; |
588 | } |
589 | } |
590 | |
591 | /* |
592 | * Determine the default output file, if none is provided. |
593 | * |
594 | * This will usually be equal to stdout, except that if the |
595 | * input and output file formats are the same then the default |
596 | * output is to overwrite the input. |
597 | * |
598 | * Also in this code, we bomb out if the input and output file |
599 | * formats are the same and no other action is performed. |
600 | */ |
601 | if ((intype == SSH_KEYTYPE_SSH1 && outtype == PRIVATE) || |
602 | (intype == SSH_KEYTYPE_SSH2 && outtype == PRIVATE) || |
603 | (intype == SSH_KEYTYPE_OPENSSH && outtype == OPENSSH) || |
604 | (intype == SSH_KEYTYPE_SSHCOM && outtype == SSHCOM)) { |
605 | if (!outfile) { |
606 | outfile = infile; |
b81cca98 |
607 | outfiletmp = dupcat(outfile, ".tmp", NULL); |
47a6b94c |
608 | } |
609 | |
610 | if (!change_passphrase && !comment) { |
611 | fprintf(stderr, "puttygen: this command would perform no useful" |
612 | " action\n"); |
613 | return 1; |
614 | } |
615 | } else { |
616 | if (!outfile) { |
617 | /* |
618 | * Bomb out rather than automatically choosing to write |
619 | * a private key file to stdout. |
620 | */ |
621 | if (outtype==PRIVATE || outtype==OPENSSH || outtype==SSHCOM) { |
622 | fprintf(stderr, "puttygen: need to specify an output file\n"); |
623 | return 1; |
624 | } |
625 | } |
626 | } |
627 | |
628 | /* |
629 | * Figure out whether we need to load the encrypted part of the |
630 | * key. This will be the case if either (a) we need to write |
631 | * out a private key format, or (b) the entire input key file |
632 | * is encrypted. |
633 | */ |
634 | if (outtype == PRIVATE || outtype == OPENSSH || outtype == SSHCOM || |
635 | intype == SSH_KEYTYPE_OPENSSH || intype == SSH_KEYTYPE_SSHCOM) |
636 | load_encrypted = TRUE; |
637 | else |
638 | load_encrypted = FALSE; |
639 | |
640 | /* ------------------------------------------------------------------ |
641 | * Now we're ready to actually do some stuff. |
642 | */ |
643 | |
644 | /* |
645 | * Either load or generate a key. |
646 | */ |
647 | if (keytype != NOKEYGEN) { |
648 | char *entropy; |
649 | char default_comment[80]; |
aca589d9 |
650 | struct tm tm; |
47a6b94c |
651 | struct progress prog; |
652 | |
653 | prog.phase = -1; |
654 | prog.current = -1; |
655 | |
aca589d9 |
656 | tm = ltime(); |
47a6b94c |
657 | if (keytype == DSA) |
aca589d9 |
658 | strftime(default_comment, 30, "dsa-key-%Y%m%d", &tm); |
47a6b94c |
659 | else |
aca589d9 |
660 | strftime(default_comment, 30, "rsa-key-%Y%m%d", &tm); |
47a6b94c |
661 | |
5d17ccfc |
662 | random_ref(); |
47a6b94c |
663 | entropy = get_random_data(bits / 8); |
7da629c2 |
664 | if (!entropy) { |
665 | fprintf(stderr, "puttygen: failed to collect entropy, " |
666 | "could not generate key\n"); |
667 | return 1; |
668 | } |
47a6b94c |
669 | random_add_heavynoise(entropy, bits / 8); |
670 | memset(entropy, 0, bits/8); |
671 | sfree(entropy); |
672 | |
673 | if (keytype == DSA) { |
674 | struct dss_key *dsskey = snew(struct dss_key); |
675 | dsa_generate(dsskey, bits, progressfn, &prog); |
676 | ssh2key = snew(struct ssh2_userkey); |
677 | ssh2key->data = dsskey; |
678 | ssh2key->alg = &ssh_dss; |
679 | ssh1key = NULL; |
680 | } else { |
681 | struct RSAKey *rsakey = snew(struct RSAKey); |
682 | rsa_generate(rsakey, bits, progressfn, &prog); |
b81cca98 |
683 | rsakey->comment = NULL; |
47a6b94c |
684 | if (keytype == RSA1) { |
685 | ssh1key = rsakey; |
686 | } else { |
687 | ssh2key = snew(struct ssh2_userkey); |
688 | ssh2key->data = rsakey; |
689 | ssh2key->alg = &ssh_rsa; |
690 | } |
691 | } |
692 | progressfn(&prog, PROGFN_PROGRESS, INT_MAX, -1); |
693 | |
694 | if (ssh2key) |
695 | ssh2key->comment = dupstr(default_comment); |
696 | if (ssh1key) |
697 | ssh1key->comment = dupstr(default_comment); |
698 | |
699 | } else { |
700 | const char *error = NULL; |
701 | int encrypted; |
702 | |
703 | assert(infile != NULL); |
704 | |
705 | /* |
706 | * Find out whether the input key is encrypted. |
707 | */ |
708 | if (intype == SSH_KEYTYPE_SSH1) |
962468d4 |
709 | encrypted = rsakey_encrypted(infilename, &origcomment); |
47a6b94c |
710 | else if (intype == SSH_KEYTYPE_SSH2) |
962468d4 |
711 | encrypted = ssh2_userkey_encrypted(infilename, &origcomment); |
47a6b94c |
712 | else |
962468d4 |
713 | encrypted = import_encrypted(infilename, intype, &origcomment); |
47a6b94c |
714 | |
715 | /* |
716 | * If so, ask for a passphrase. |
717 | */ |
718 | if (encrypted && load_encrypted) { |
edd0cb8a |
719 | prompts_t *p = new_prompts(NULL); |
720 | int ret; |
721 | p->to_server = FALSE; |
722 | p->name = dupstr("SSH key passphrase"); |
b61f81bc |
723 | add_prompt(p, dupstr("Enter passphrase to load key: "), FALSE); |
edd0cb8a |
724 | ret = console_get_userpass_input(p, NULL, 0); |
725 | assert(ret >= 0); |
726 | if (!ret) { |
727 | free_prompts(p); |
47a6b94c |
728 | perror("puttygen: unable to read passphrase"); |
729 | return 1; |
edd0cb8a |
730 | } else { |
731 | passphrase = dupstr(p->prompts[0]->result); |
732 | free_prompts(p); |
47a6b94c |
733 | } |
734 | } else { |
735 | passphrase = NULL; |
736 | } |
737 | |
738 | switch (intype) { |
739 | int ret; |
740 | |
741 | case SSH_KEYTYPE_SSH1: |
742 | ssh1key = snew(struct RSAKey); |
743 | if (!load_encrypted) { |
744 | void *vblob; |
8a9977e5 |
745 | unsigned char *blob; |
0016d70b |
746 | int n, l, bloblen; |
47a6b94c |
747 | |
962468d4 |
748 | ret = rsakey_pubblob(infilename, &vblob, &bloblen, |
e4cb16dd |
749 | &origcomment, &error); |
8a9977e5 |
750 | blob = (unsigned char *)vblob; |
47a6b94c |
751 | |
752 | n = 4; /* skip modulus bits */ |
0016d70b |
753 | |
754 | l = ssh1_read_bignum(blob + n, bloblen - n, |
755 | &ssh1key->exponent); |
756 | if (l < 0) { |
2e85c969 |
757 | error = "SSH-1 public key blob was too short"; |
0016d70b |
758 | } else { |
759 | n += l; |
760 | l = ssh1_read_bignum(blob + n, bloblen - n, |
761 | &ssh1key->modulus); |
762 | if (l < 0) { |
2e85c969 |
763 | error = "SSH-1 public key blob was too short"; |
0016d70b |
764 | } else |
765 | n += l; |
766 | } |
e4cb16dd |
767 | ssh1key->comment = dupstr(origcomment); |
b81cca98 |
768 | ssh1key->private_exponent = NULL; |
47a6b94c |
769 | } else { |
962468d4 |
770 | ret = loadrsakey(infilename, ssh1key, passphrase, &error); |
47a6b94c |
771 | } |
b81cca98 |
772 | if (ret > 0) |
47a6b94c |
773 | error = NULL; |
774 | else if (!error) |
775 | error = "unknown error"; |
776 | break; |
777 | |
778 | case SSH_KEYTYPE_SSH2: |
779 | if (!load_encrypted) { |
962468d4 |
780 | ssh2blob = ssh2_userkey_loadpub(infilename, &ssh2alg, |
06897bd7 |
781 | &ssh2bloblen, NULL, &error); |
47a6b94c |
782 | ssh2algf = find_pubkey_alg(ssh2alg); |
783 | if (ssh2algf) |
784 | bits = ssh2algf->pubkey_bits(ssh2blob, ssh2bloblen); |
785 | else |
786 | bits = -1; |
787 | } else { |
962468d4 |
788 | ssh2key = ssh2_load_userkey(infilename, passphrase, &error); |
47a6b94c |
789 | } |
b81cca98 |
790 | if ((ssh2key && ssh2key != SSH2_WRONG_PASSPHRASE) || ssh2blob) |
47a6b94c |
791 | error = NULL; |
792 | else if (!error) { |
793 | if (ssh2key == SSH2_WRONG_PASSPHRASE) |
794 | error = "wrong passphrase"; |
795 | else |
796 | error = "unknown error"; |
797 | } |
798 | break; |
799 | |
800 | case SSH_KEYTYPE_OPENSSH: |
801 | case SSH_KEYTYPE_SSHCOM: |
962468d4 |
802 | ssh2key = import_ssh2(infilename, intype, passphrase, &error); |
1e87cce5 |
803 | if (ssh2key) { |
804 | if (ssh2key != SSH2_WRONG_PASSPHRASE) |
805 | error = NULL; |
47a6b94c |
806 | else |
1e87cce5 |
807 | error = "wrong passphrase"; |
808 | } else if (!error) |
809 | error = "unknown error"; |
47a6b94c |
810 | break; |
811 | |
812 | default: |
813 | assert(0); |
814 | } |
815 | |
816 | if (error) { |
817 | fprintf(stderr, "puttygen: error loading `%s': %s\n", |
818 | infile, error); |
819 | return 1; |
820 | } |
821 | } |
822 | |
823 | /* |
824 | * Change the comment if asked to. |
825 | */ |
826 | if (comment) { |
827 | if (sshver == 1) { |
828 | assert(ssh1key); |
829 | sfree(ssh1key->comment); |
830 | ssh1key->comment = dupstr(comment); |
831 | } else { |
832 | assert(ssh2key); |
833 | sfree(ssh2key->comment); |
834 | ssh2key->comment = dupstr(comment); |
835 | } |
836 | } |
837 | |
838 | /* |
839 | * Prompt for a new passphrase if we have been asked to, or if |
840 | * we have just generated a key. |
841 | */ |
842 | if (change_passphrase || keytype != NOKEYGEN) { |
edd0cb8a |
843 | prompts_t *p = new_prompts(NULL); |
844 | int ret; |
47a6b94c |
845 | |
edd0cb8a |
846 | p->to_server = FALSE; |
847 | p->name = dupstr("New SSH key passphrase"); |
b61f81bc |
848 | add_prompt(p, dupstr("Enter passphrase to save key: "), FALSE); |
849 | add_prompt(p, dupstr("Re-enter passphrase to verify: "), FALSE); |
edd0cb8a |
850 | ret = console_get_userpass_input(p, NULL, 0); |
851 | assert(ret >= 0); |
852 | if (!ret) { |
853 | free_prompts(p); |
47a6b94c |
854 | perror("puttygen: unable to read new passphrase"); |
855 | return 1; |
edd0cb8a |
856 | } else { |
857 | if (strcmp(p->prompts[0]->result, p->prompts[1]->result)) { |
858 | free_prompts(p); |
859 | fprintf(stderr, "puttygen: passphrases do not match\n"); |
860 | return 1; |
861 | } |
862 | if (passphrase) { |
863 | memset(passphrase, 0, strlen(passphrase)); |
864 | sfree(passphrase); |
865 | } |
866 | passphrase = dupstr(p->prompts[0]->result); |
867 | free_prompts(p); |
868 | if (!*passphrase) { |
869 | sfree(passphrase); |
870 | passphrase = NULL; |
871 | } |
47a6b94c |
872 | } |
873 | } |
874 | |
875 | /* |
876 | * Write output. |
877 | * |
878 | * (In the case where outfile and outfiletmp are both NULL, |
879 | * there is no semantic reason to initialise outfilename at |
880 | * all; but we have to write _something_ to it or some compiler |
881 | * will probably complain that it might be used uninitialised.) |
882 | */ |
883 | if (outfiletmp) |
884 | outfilename = filename_from_str(outfiletmp); |
885 | else |
886 | outfilename = filename_from_str(outfile ? outfile : ""); |
887 | |
888 | switch (outtype) { |
889 | int ret; |
890 | |
891 | case PRIVATE: |
892 | if (sshver == 1) { |
893 | assert(ssh1key); |
962468d4 |
894 | ret = saversakey(outfilename, ssh1key, passphrase); |
47a6b94c |
895 | if (!ret) { |
2e85c969 |
896 | fprintf(stderr, "puttygen: unable to save SSH-1 private key\n"); |
47a6b94c |
897 | return 1; |
898 | } |
899 | } else { |
900 | assert(ssh2key); |
962468d4 |
901 | ret = ssh2_save_userkey(outfilename, ssh2key, passphrase); |
47a6b94c |
902 | if (!ret) { |
2e85c969 |
903 | fprintf(stderr, "puttygen: unable to save SSH-2 private key\n"); |
47a6b94c |
904 | return 1; |
905 | } |
906 | } |
b81cca98 |
907 | if (outfiletmp) { |
908 | if (!move(outfiletmp, outfile)) |
909 | return 1; /* rename failed */ |
910 | } |
47a6b94c |
911 | break; |
912 | |
913 | case PUBLIC: |
914 | case PUBLICO: |
915 | if (sshver == 1) { |
916 | FILE *fp; |
917 | char *dec1, *dec2; |
918 | |
919 | assert(ssh1key); |
920 | |
921 | if (outfile) |
c6940f12 |
922 | fp = f_open(outfilename, "w", FALSE); |
47a6b94c |
923 | else |
924 | fp = stdout; |
925 | dec1 = bignum_decimal(ssh1key->exponent); |
926 | dec2 = bignum_decimal(ssh1key->modulus); |
927 | fprintf(fp, "%d %s %s %s\n", bignum_bitcount(ssh1key->modulus), |
928 | dec1, dec2, ssh1key->comment); |
929 | sfree(dec1); |
930 | sfree(dec2); |
931 | if (outfile) |
932 | fclose(fp); |
933 | } else if (outtype == PUBLIC) { |
934 | if (!ssh2blob) { |
935 | assert(ssh2key); |
936 | ssh2blob = ssh2key->alg->public_blob(ssh2key->data, |
937 | &ssh2bloblen); |
938 | } |
939 | save_ssh2_pubkey(outfile, ssh2key ? ssh2key->comment : origcomment, |
940 | ssh2blob, ssh2bloblen); |
941 | } else if (outtype == PUBLICO) { |
942 | char *buffer, *p; |
943 | int i; |
944 | FILE *fp; |
945 | |
946 | if (!ssh2blob) { |
947 | assert(ssh2key); |
948 | ssh2blob = ssh2key->alg->public_blob(ssh2key->data, |
949 | &ssh2bloblen); |
950 | } |
951 | if (!ssh2alg) { |
952 | assert(ssh2key); |
953 | ssh2alg = ssh2key->alg->name; |
954 | } |
955 | if (ssh2key) |
956 | comment = ssh2key->comment; |
957 | else |
958 | comment = origcomment; |
959 | |
960 | buffer = snewn(strlen(ssh2alg) + |
961 | 4 * ((ssh2bloblen+2) / 3) + |
962 | strlen(comment) + 3, char); |
963 | strcpy(buffer, ssh2alg); |
964 | p = buffer + strlen(buffer); |
965 | *p++ = ' '; |
966 | i = 0; |
967 | while (i < ssh2bloblen) { |
968 | int n = (ssh2bloblen - i < 3 ? ssh2bloblen - i : 3); |
969 | base64_encode_atom(ssh2blob + i, n, p); |
970 | i += n; |
971 | p += 4; |
972 | } |
973 | if (*comment) { |
974 | *p++ = ' '; |
975 | strcpy(p, comment); |
976 | } else |
977 | *p++ = '\0'; |
978 | |
979 | if (outfile) |
c6940f12 |
980 | fp = f_open(outfilename, "w", FALSE); |
47a6b94c |
981 | else |
982 | fp = stdout; |
983 | fprintf(fp, "%s\n", buffer); |
984 | if (outfile) |
985 | fclose(fp); |
986 | |
987 | sfree(buffer); |
988 | } |
989 | break; |
990 | |
991 | case FP: |
992 | { |
993 | FILE *fp; |
994 | char *fingerprint; |
995 | |
996 | if (sshver == 1) { |
997 | assert(ssh1key); |
998 | fingerprint = snewn(128, char); |
999 | rsa_fingerprint(fingerprint, 128, ssh1key); |
1000 | } else { |
1001 | if (ssh2key) { |
1002 | fingerprint = ssh2key->alg->fingerprint(ssh2key->data); |
1003 | } else { |
1004 | assert(ssh2blob); |
1005 | fingerprint = blobfp(ssh2alg, bits, ssh2blob, ssh2bloblen); |
1006 | } |
1007 | } |
1008 | |
1009 | if (outfile) |
c6940f12 |
1010 | fp = f_open(outfilename, "w", FALSE); |
47a6b94c |
1011 | else |
1012 | fp = stdout; |
1013 | fprintf(fp, "%s\n", fingerprint); |
1014 | if (outfile) |
1015 | fclose(fp); |
1016 | |
1017 | sfree(fingerprint); |
1018 | } |
1019 | break; |
1020 | |
1021 | case OPENSSH: |
1022 | case SSHCOM: |
1023 | assert(sshver == 2); |
1024 | assert(ssh2key); |
962468d4 |
1025 | ret = export_ssh2(outfilename, outtype, ssh2key, passphrase); |
47a6b94c |
1026 | if (!ret) { |
1027 | fprintf(stderr, "puttygen: unable to export key\n"); |
1028 | return 1; |
1029 | } |
b81cca98 |
1030 | if (outfiletmp) { |
1031 | if (!move(outfiletmp, outfile)) |
1032 | return 1; /* rename failed */ |
1033 | } |
47a6b94c |
1034 | break; |
1035 | } |
1036 | |
1037 | if (passphrase) { |
1038 | memset(passphrase, 0, strlen(passphrase)); |
1039 | sfree(passphrase); |
1040 | } |
1041 | |
1042 | if (ssh1key) |
1043 | freersakey(ssh1key); |
1044 | if (ssh2key) { |
1045 | ssh2key->alg->freekey(ssh2key->data); |
1046 | sfree(ssh2key); |
1047 | } |
1048 | |
1049 | return 0; |
1050 | } |
b81cca98 |
1051 | |
1052 | #ifdef TEST_CMDGEN |
1053 | |
1054 | #undef main |
1055 | |
1056 | #include <stdarg.h> |
1057 | |
1058 | int passes, fails; |
1059 | |
1060 | void setup_passphrases(char *first, ...) |
1061 | { |
1062 | va_list ap; |
1063 | char *next; |
1064 | |
1065 | nprompts = 0; |
1066 | if (first) { |
1067 | prompts[nprompts++] = first; |
1068 | va_start(ap, first); |
1069 | while ((next = va_arg(ap, char *)) != NULL) { |
1070 | assert(nprompts < lenof(prompts)); |
1071 | prompts[nprompts++] = next; |
1072 | } |
1073 | va_end(ap); |
1074 | } |
1075 | } |
1076 | |
1077 | void test(int retval, ...) |
1078 | { |
1079 | va_list ap; |
1080 | int i, argc, ret; |
1081 | char **argv; |
1082 | |
1083 | argc = 0; |
1084 | va_start(ap, retval); |
1085 | while (va_arg(ap, char *) != NULL) |
1086 | argc++; |
1087 | va_end(ap); |
1088 | |
1089 | argv = snewn(argc+1, char *); |
1090 | va_start(ap, retval); |
1091 | for (i = 0; i <= argc; i++) |
1092 | argv[i] = va_arg(ap, char *); |
1093 | va_end(ap); |
1094 | |
1095 | promptsgot = 0; |
1096 | ret = cmdgen_main(argc, argv); |
1097 | |
1098 | if (ret != retval) { |
1099 | printf("FAILED retval (exp %d got %d):", retval, ret); |
1100 | for (i = 0; i < argc; i++) |
1101 | printf(" %s", argv[i]); |
1102 | printf("\n"); |
1103 | fails++; |
1104 | } else if (promptsgot != nprompts) { |
1105 | printf("FAILED nprompts (exp %d got %d):", nprompts, promptsgot); |
1106 | for (i = 0; i < argc; i++) |
1107 | printf(" %s", argv[i]); |
1108 | printf("\n"); |
1109 | fails++; |
1110 | } else { |
1111 | passes++; |
1112 | } |
1113 | } |
1114 | |
1115 | void filecmp(char *file1, char *file2, char *fmt, ...) |
1116 | { |
1117 | /* |
1118 | * Ideally I should do file comparison myself, to maximise the |
1119 | * portability of this test suite once this application begins |
1120 | * running on non-Unix platforms. For the moment, though, |
1121 | * calling Unix diff is perfectly adequate. |
1122 | */ |
1123 | char *buf; |
1124 | int ret; |
1125 | |
1126 | buf = dupprintf("diff -q '%s' '%s'", file1, file2); |
1127 | ret = system(buf); |
1128 | sfree(buf); |
1129 | |
1130 | if (ret) { |
1131 | va_list ap; |
1132 | |
1133 | printf("FAILED diff (ret=%d): ", ret); |
1134 | |
1135 | va_start(ap, fmt); |
1136 | vprintf(fmt, ap); |
1137 | va_end(ap); |
1138 | |
1139 | printf("\n"); |
1140 | |
1141 | fails++; |
1142 | } else |
1143 | passes++; |
1144 | } |
1145 | |
1146 | char *cleanup_fp(char *s) |
1147 | { |
1148 | char *p; |
1149 | |
1150 | if (!strncmp(s, "ssh-", 4)) { |
1151 | s += strcspn(s, " \n\t"); |
1152 | s += strspn(s, " \n\t"); |
1153 | } |
1154 | |
1155 | p = s; |
1156 | s += strcspn(s, " \n\t"); |
1157 | s += strspn(s, " \n\t"); |
1158 | s += strcspn(s, " \n\t"); |
1159 | |
1160 | return dupprintf("%.*s", s - p, p); |
1161 | } |
1162 | |
1163 | char *get_fp(char *filename) |
1164 | { |
1165 | FILE *fp; |
1166 | char buf[256], *ret; |
1167 | |
1168 | fp = fopen(filename, "r"); |
1169 | if (!fp) |
1170 | return NULL; |
1171 | ret = fgets(buf, sizeof(buf), fp); |
1172 | fclose(fp); |
1173 | if (!ret) |
1174 | return NULL; |
1175 | return cleanup_fp(buf); |
1176 | } |
1177 | |
1178 | void check_fp(char *filename, char *fp, char *fmt, ...) |
1179 | { |
1180 | char *newfp; |
1181 | |
1182 | if (!fp) |
1183 | return; |
1184 | |
1185 | newfp = get_fp(filename); |
1186 | |
1187 | if (!strcmp(fp, newfp)) { |
1188 | passes++; |
1189 | } else { |
1190 | va_list ap; |
1191 | |
1192 | printf("FAILED check_fp ['%s' != '%s']: ", newfp, fp); |
1193 | |
1194 | va_start(ap, fmt); |
1195 | vprintf(fmt, ap); |
1196 | va_end(ap); |
1197 | |
1198 | printf("\n"); |
1199 | |
1200 | fails++; |
1201 | } |
1202 | |
1203 | sfree(newfp); |
1204 | } |
1205 | |
1206 | int main(int argc, char **argv) |
1207 | { |
1208 | int i; |
1209 | static char *const keytypes[] = { "rsa1", "dsa", "rsa" }; |
1210 | |
1211 | /* |
1212 | * Even when this thing is compiled for automatic test mode, |
1213 | * it's helpful to be able to invoke it with command-line |
1214 | * options for _manual_ tests. |
1215 | */ |
1216 | if (argc > 1) |
1217 | return cmdgen_main(argc, argv); |
1218 | |
1219 | passes = fails = 0; |
1220 | |
1221 | for (i = 0; i < lenof(keytypes); i++) { |
1222 | char filename[128], osfilename[128], scfilename[128]; |
1223 | char pubfilename[128], tmpfilename1[128], tmpfilename2[128]; |
1224 | char *fp; |
1225 | |
1226 | sprintf(filename, "test-%s.ppk", keytypes[i]); |
1227 | sprintf(pubfilename, "test-%s.pub", keytypes[i]); |
1228 | sprintf(osfilename, "test-%s.os", keytypes[i]); |
1229 | sprintf(scfilename, "test-%s.sc", keytypes[i]); |
1230 | sprintf(tmpfilename1, "test-%s.tmp1", keytypes[i]); |
1231 | sprintf(tmpfilename2, "test-%s.tmp2", keytypes[i]); |
1232 | |
1233 | /* |
1234 | * Create an encrypted key. |
1235 | */ |
1236 | setup_passphrases("sponge", "sponge", NULL); |
1237 | test(0, "puttygen", "-t", keytypes[i], "-o", filename, NULL); |
1238 | |
1239 | /* |
1240 | * List the public key in OpenSSH format. |
1241 | */ |
1242 | setup_passphrases(NULL); |
1243 | test(0, "puttygen", "-L", filename, "-o", pubfilename, NULL); |
1244 | { |
1245 | char cmdbuf[256]; |
1246 | fp = NULL; |
1247 | sprintf(cmdbuf, "ssh-keygen -l -f '%s' > '%s'", |
1248 | pubfilename, tmpfilename1); |
1249 | if (system(cmdbuf) || |
1250 | (fp = get_fp(tmpfilename1)) == NULL) { |
1251 | printf("UNABLE to test fingerprint matching against OpenSSH"); |
1252 | } |
1253 | } |
1254 | |
1255 | /* |
1256 | * List the public key in IETF/ssh.com format. |
1257 | */ |
1258 | setup_passphrases(NULL); |
1259 | test(0, "puttygen", "-p", filename, NULL); |
1260 | |
1261 | /* |
1262 | * List the fingerprint of the key. |
1263 | */ |
1264 | setup_passphrases(NULL); |
1265 | test(0, "puttygen", "-l", filename, "-o", tmpfilename1, NULL); |
1266 | if (!fp) { |
1267 | /* |
1268 | * If we can't test fingerprints against OpenSSH, we |
1269 | * can at the very least test equality of all the |
1270 | * fingerprints we generate of this key throughout |
1271 | * testing. |
1272 | */ |
1273 | fp = get_fp(tmpfilename1); |
1274 | } else { |
1275 | check_fp(tmpfilename1, fp, "%s initial fp", keytypes[i]); |
1276 | } |
1277 | |
1278 | /* |
1279 | * Change the comment of the key; this _does_ require a |
1280 | * passphrase owing to the tamperproofing. |
1281 | * |
2e85c969 |
1282 | * NOTE: In SSH-1, this only requires a passphrase because |
b81cca98 |
1283 | * of inadequacies of the loading and saving mechanisms. In |
1284 | * _principle_, it should be perfectly possible to modify |
2e85c969 |
1285 | * the comment on an SSH-1 key without requiring a |
b81cca98 |
1286 | * passphrase; the only reason I can't do it is because my |
1287 | * loading and saving mechanisms don't include a method of |
1288 | * loading all the key data without also trying to decrypt |
1289 | * the private section. |
1290 | * |
1291 | * I don't consider this to be a problem worth solving, |
1292 | * because (a) to fix it would probably end up bloating |
2e85c969 |
1293 | * PuTTY proper, and (b) SSH-1 is on the way out anyway so |
b81cca98 |
1294 | * it shouldn't be highly significant. If it seriously |
1295 | * bothers anyone then perhaps I _might_ be persuadable. |
1296 | */ |
1297 | setup_passphrases("sponge", NULL); |
1298 | test(0, "puttygen", "-C", "new-comment", filename, NULL); |
1299 | |
1300 | /* |
1301 | * Change the passphrase to nothing. |
1302 | */ |
1303 | setup_passphrases("sponge", "", "", NULL); |
1304 | test(0, "puttygen", "-P", filename, NULL); |
1305 | |
1306 | /* |
1307 | * Change the comment of the key again; this time we expect no |
1308 | * passphrase to be required. |
1309 | */ |
1310 | setup_passphrases(NULL); |
1311 | test(0, "puttygen", "-C", "new-comment-2", filename, NULL); |
1312 | |
1313 | /* |
1314 | * Export the private key into OpenSSH format; no passphrase |
1315 | * should be required since the key is currently unencrypted. |
1316 | * For RSA1 keys, this should give an error. |
1317 | */ |
1318 | setup_passphrases(NULL); |
1319 | test((i==0), "puttygen", "-O", "private-openssh", "-o", osfilename, |
1320 | filename, NULL); |
1321 | |
1322 | if (i) { |
1323 | /* |
1324 | * List the fingerprint of the OpenSSH-formatted key. |
1325 | */ |
1326 | setup_passphrases(NULL); |
1327 | test(0, "puttygen", "-l", osfilename, "-o", tmpfilename1, NULL); |
1328 | check_fp(tmpfilename1, fp, "%s openssh clear fp", keytypes[i]); |
1329 | |
1330 | /* |
1331 | * List the public half of the OpenSSH-formatted key in |
1332 | * OpenSSH format. |
1333 | */ |
1334 | setup_passphrases(NULL); |
1335 | test(0, "puttygen", "-L", osfilename, NULL); |
1336 | |
1337 | /* |
1338 | * List the public half of the OpenSSH-formatted key in |
1339 | * IETF/ssh.com format. |
1340 | */ |
1341 | setup_passphrases(NULL); |
1342 | test(0, "puttygen", "-p", osfilename, NULL); |
1343 | } |
1344 | |
1345 | /* |
1346 | * Export the private key into ssh.com format; no passphrase |
1347 | * should be required since the key is currently unencrypted. |
1348 | * For RSA1 keys, this should give an error. |
1349 | */ |
1350 | setup_passphrases(NULL); |
1351 | test((i==0), "puttygen", "-O", "private-sshcom", "-o", scfilename, |
1352 | filename, NULL); |
1353 | |
1354 | if (i) { |
1355 | /* |
1356 | * List the fingerprint of the ssh.com-formatted key. |
1357 | */ |
1358 | setup_passphrases(NULL); |
1359 | test(0, "puttygen", "-l", scfilename, "-o", tmpfilename1, NULL); |
1360 | check_fp(tmpfilename1, fp, "%s ssh.com clear fp", keytypes[i]); |
1361 | |
1362 | /* |
1363 | * List the public half of the ssh.com-formatted key in |
1364 | * OpenSSH format. |
1365 | */ |
1366 | setup_passphrases(NULL); |
1367 | test(0, "puttygen", "-L", scfilename, NULL); |
1368 | |
1369 | /* |
1370 | * List the public half of the ssh.com-formatted key in |
1371 | * IETF/ssh.com format. |
1372 | */ |
1373 | setup_passphrases(NULL); |
1374 | test(0, "puttygen", "-p", scfilename, NULL); |
1375 | } |
1376 | |
1377 | if (i) { |
1378 | /* |
1379 | * Convert from OpenSSH into ssh.com. |
1380 | */ |
1381 | setup_passphrases(NULL); |
1382 | test(0, "puttygen", osfilename, "-o", tmpfilename1, |
1383 | "-O", "private-sshcom", NULL); |
1384 | |
1385 | /* |
1386 | * Convert from ssh.com back into a PuTTY key, |
1387 | * supplying the same comment as we had before we |
1388 | * started to ensure the comparison works. |
1389 | */ |
1390 | setup_passphrases(NULL); |
1391 | test(0, "puttygen", tmpfilename1, "-C", "new-comment-2", |
1392 | "-o", tmpfilename2, NULL); |
1393 | |
1394 | /* |
1395 | * See if the PuTTY key thus generated is the same as |
1396 | * the original. |
1397 | */ |
1398 | filecmp(filename, tmpfilename2, |
1399 | "p->o->s->p clear %s", keytypes[i]); |
1400 | |
1401 | /* |
1402 | * Convert from ssh.com to OpenSSH. |
1403 | */ |
1404 | setup_passphrases(NULL); |
1405 | test(0, "puttygen", scfilename, "-o", tmpfilename1, |
1406 | "-O", "private-openssh", NULL); |
1407 | |
1408 | /* |
1409 | * Convert from OpenSSH back into a PuTTY key, |
1410 | * supplying the same comment as we had before we |
1411 | * started to ensure the comparison works. |
1412 | */ |
1413 | setup_passphrases(NULL); |
1414 | test(0, "puttygen", tmpfilename1, "-C", "new-comment-2", |
1415 | "-o", tmpfilename2, NULL); |
1416 | |
1417 | /* |
1418 | * See if the PuTTY key thus generated is the same as |
1419 | * the original. |
1420 | */ |
1421 | filecmp(filename, tmpfilename2, |
1422 | "p->s->o->p clear %s", keytypes[i]); |
1423 | |
1424 | /* |
1425 | * Finally, do a round-trip conversion between PuTTY |
1426 | * and ssh.com without involving OpenSSH, to test that |
1427 | * the key comment is preserved in that case. |
1428 | */ |
1429 | setup_passphrases(NULL); |
1430 | test(0, "puttygen", "-O", "private-sshcom", "-o", tmpfilename1, |
1431 | filename, NULL); |
1432 | setup_passphrases(NULL); |
1433 | test(0, "puttygen", tmpfilename1, "-o", tmpfilename2, NULL); |
1434 | filecmp(filename, tmpfilename2, |
1435 | "p->s->p clear %s", keytypes[i]); |
1436 | } |
1437 | |
1438 | /* |
1439 | * Check that mismatched passphrases cause an error. |
1440 | */ |
1441 | setup_passphrases("sponge2", "sponge3", NULL); |
1442 | test(1, "puttygen", "-P", filename, NULL); |
1443 | |
1444 | /* |
1445 | * Put a passphrase back on. |
1446 | */ |
1447 | setup_passphrases("sponge2", "sponge2", NULL); |
1448 | test(0, "puttygen", "-P", filename, NULL); |
1449 | |
1450 | /* |
1451 | * Export the private key into OpenSSH format, this time |
1452 | * while encrypted. For RSA1 keys, this should give an |
1453 | * error. |
1454 | */ |
1455 | if (i == 0) |
1456 | setup_passphrases(NULL); /* error, hence no passphrase read */ |
1457 | else |
1458 | setup_passphrases("sponge2", NULL); |
1459 | test((i==0), "puttygen", "-O", "private-openssh", "-o", osfilename, |
1460 | filename, NULL); |
1461 | |
1462 | if (i) { |
1463 | /* |
1464 | * List the fingerprint of the OpenSSH-formatted key. |
1465 | */ |
1466 | setup_passphrases("sponge2", NULL); |
1467 | test(0, "puttygen", "-l", osfilename, "-o", tmpfilename1, NULL); |
1468 | check_fp(tmpfilename1, fp, "%s openssh encrypted fp", keytypes[i]); |
1469 | |
1470 | /* |
1471 | * List the public half of the OpenSSH-formatted key in |
1472 | * OpenSSH format. |
1473 | */ |
1474 | setup_passphrases("sponge2", NULL); |
1475 | test(0, "puttygen", "-L", osfilename, NULL); |
1476 | |
1477 | /* |
1478 | * List the public half of the OpenSSH-formatted key in |
1479 | * IETF/ssh.com format. |
1480 | */ |
1481 | setup_passphrases("sponge2", NULL); |
1482 | test(0, "puttygen", "-p", osfilename, NULL); |
1483 | } |
1484 | |
1485 | /* |
1486 | * Export the private key into ssh.com format, this time |
1487 | * while encrypted. For RSA1 keys, this should give an |
1488 | * error. |
1489 | */ |
1490 | if (i == 0) |
1491 | setup_passphrases(NULL); /* error, hence no passphrase read */ |
1492 | else |
1493 | setup_passphrases("sponge2", NULL); |
1494 | test((i==0), "puttygen", "-O", "private-sshcom", "-o", scfilename, |
1495 | filename, NULL); |
1496 | |
1497 | if (i) { |
1498 | /* |
1499 | * List the fingerprint of the ssh.com-formatted key. |
1500 | */ |
1501 | setup_passphrases("sponge2", NULL); |
1502 | test(0, "puttygen", "-l", scfilename, "-o", tmpfilename1, NULL); |
1503 | check_fp(tmpfilename1, fp, "%s ssh.com encrypted fp", keytypes[i]); |
1504 | |
1505 | /* |
1506 | * List the public half of the ssh.com-formatted key in |
1507 | * OpenSSH format. |
1508 | */ |
1509 | setup_passphrases("sponge2", NULL); |
1510 | test(0, "puttygen", "-L", scfilename, NULL); |
1511 | |
1512 | /* |
1513 | * List the public half of the ssh.com-formatted key in |
1514 | * IETF/ssh.com format. |
1515 | */ |
1516 | setup_passphrases("sponge2", NULL); |
1517 | test(0, "puttygen", "-p", scfilename, NULL); |
1518 | } |
1519 | |
1520 | if (i) { |
1521 | /* |
1522 | * Convert from OpenSSH into ssh.com. |
1523 | */ |
1524 | setup_passphrases("sponge2", NULL); |
1525 | test(0, "puttygen", osfilename, "-o", tmpfilename1, |
1526 | "-O", "private-sshcom", NULL); |
1527 | |
1528 | /* |
1529 | * Convert from ssh.com back into a PuTTY key, |
1530 | * supplying the same comment as we had before we |
1531 | * started to ensure the comparison works. |
1532 | */ |
1533 | setup_passphrases("sponge2", NULL); |
1534 | test(0, "puttygen", tmpfilename1, "-C", "new-comment-2", |
1535 | "-o", tmpfilename2, NULL); |
1536 | |
1537 | /* |
1538 | * See if the PuTTY key thus generated is the same as |
1539 | * the original. |
1540 | */ |
1541 | filecmp(filename, tmpfilename2, |
1542 | "p->o->s->p encrypted %s", keytypes[i]); |
1543 | |
1544 | /* |
1545 | * Convert from ssh.com to OpenSSH. |
1546 | */ |
1547 | setup_passphrases("sponge2", NULL); |
1548 | test(0, "puttygen", scfilename, "-o", tmpfilename1, |
1549 | "-O", "private-openssh", NULL); |
1550 | |
1551 | /* |
1552 | * Convert from OpenSSH back into a PuTTY key, |
1553 | * supplying the same comment as we had before we |
1554 | * started to ensure the comparison works. |
1555 | */ |
1556 | setup_passphrases("sponge2", NULL); |
1557 | test(0, "puttygen", tmpfilename1, "-C", "new-comment-2", |
1558 | "-o", tmpfilename2, NULL); |
1559 | |
1560 | /* |
1561 | * See if the PuTTY key thus generated is the same as |
1562 | * the original. |
1563 | */ |
1564 | filecmp(filename, tmpfilename2, |
1565 | "p->s->o->p encrypted %s", keytypes[i]); |
1566 | |
1567 | /* |
1568 | * Finally, do a round-trip conversion between PuTTY |
1569 | * and ssh.com without involving OpenSSH, to test that |
1570 | * the key comment is preserved in that case. |
1571 | */ |
1572 | setup_passphrases("sponge2", NULL); |
1573 | test(0, "puttygen", "-O", "private-sshcom", "-o", tmpfilename1, |
1574 | filename, NULL); |
1575 | setup_passphrases("sponge2", NULL); |
1576 | test(0, "puttygen", tmpfilename1, "-o", tmpfilename2, NULL); |
1577 | filecmp(filename, tmpfilename2, |
1578 | "p->s->p encrypted %s", keytypes[i]); |
1579 | } |
1580 | |
1581 | /* |
1582 | * Load with the wrong passphrase. |
1583 | */ |
1584 | setup_passphrases("sponge8", NULL); |
1585 | test(1, "puttygen", "-C", "spurious-new-comment", filename, NULL); |
1586 | |
1587 | /* |
1588 | * Load a totally bogus file. |
1589 | */ |
1590 | setup_passphrases(NULL); |
1591 | test(1, "puttygen", "-C", "spurious-new-comment", pubfilename, NULL); |
1592 | } |
1593 | printf("%d passes, %d fails\n", passes, fails); |
1594 | return 0; |
1595 | } |
1596 | |
1597 | #endif |