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