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