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[minix.git] / external / bsd / bind / dist / bin / dnssec / dnssec-keyfromlabel.c
blob6236ede05b25033965f377a5fab9c1c32669c8d7
1 /* $NetBSD: dnssec-keyfromlabel.c,v 1.14 2015/07/08 17:28:55 christos Exp $ */
3 /*
4 * Copyright (C) 2007-2012, 2014, 2015 Internet Systems Consortium, Inc. ("ISC")
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16 * PERFORMANCE OF THIS SOFTWARE.
19 /*! \file */
21 #include <config.h>
23 #include <ctype.h>
24 #include <stdlib.h>
26 #include <isc/buffer.h>
27 #include <isc/commandline.h>
28 #include <isc/entropy.h>
29 #include <isc/mem.h>
30 #include <isc/region.h>
31 #include <isc/print.h>
32 #include <isc/string.h>
33 #include <isc/util.h>
35 #include <dns/dnssec.h>
36 #include <dns/fixedname.h>
37 #include <dns/keyvalues.h>
38 #include <dns/log.h>
39 #include <dns/name.h>
40 #include <dns/rdataclass.h>
41 #include <dns/result.h>
42 #include <dns/secalg.h>
44 #include <dst/dst.h>
46 #ifdef PKCS11CRYPTO
47 #include <pk11/result.h>
48 #endif
50 #include "dnssectool.h"
52 #define MAX_RSA 4096 /* should be long enough... */
54 const char *program = "dnssec-keyfromlabel";
55 int verbose;
57 #define DEFAULT_ALGORITHM "RSASHA1"
58 #define DEFAULT_NSEC3_ALGORITHM "NSEC3RSASHA1"
60 static const char *algs = "RSA | RSAMD5 | DH | DSA | RSASHA1 |"
61 " NSEC3DSA | NSEC3RSASHA1 |"
62 " RSASHA256 | RSASHA512 | ECCGOST |"
63 " ECDSAP256SHA256 | ECDSAP384SHA384";
65 ISC_PLATFORM_NORETURN_PRE static void
66 usage(void) ISC_PLATFORM_NORETURN_POST;
68 static void
69 usage(void) {
70 fprintf(stderr, "Usage:\n");
71 fprintf(stderr, " %s -l label [options] name\n\n",
72 program);
73 fprintf(stderr, "Version: %s\n", VERSION);
74 fprintf(stderr, "Required options:\n");
75 fprintf(stderr, " -l label: label of the key pair\n");
76 fprintf(stderr, " name: owner of the key\n");
77 fprintf(stderr, "Other options:\n");
78 fprintf(stderr, " -a algorithm: %s\n", algs);
79 fprintf(stderr, " (default: RSASHA1, or "
80 "NSEC3RSASHA1 if using -3)\n");
81 fprintf(stderr, " -3: use NSEC3-capable algorithm\n");
82 fprintf(stderr, " -c class (default: IN)\n");
83 fprintf(stderr, " -E <engine>:\n");
84 #if defined(PKCS11CRYPTO)
85 fprintf(stderr, " path to PKCS#11 provider library "
86 "(default is %s)\n", PK11_LIB_LOCATION);
87 #elif defined(USE_PKCS11)
88 fprintf(stderr, " name of an OpenSSL engine to use "
89 "(default is \"pkcs11\")\n");
90 #else
91 fprintf(stderr, " name of an OpenSSL engine to use\n");
92 #endif
93 fprintf(stderr, " -f keyflag: KSK | REVOKE\n");
94 fprintf(stderr, " -K directory: directory in which to place "
95 "key files\n");
96 fprintf(stderr, " -k: generate a TYPE=KEY key\n");
97 fprintf(stderr, " -L ttl: default key TTL\n");
98 fprintf(stderr, " -n nametype: ZONE | HOST | ENTITY | USER | OTHER\n");
99 fprintf(stderr, " (DNSKEY generation defaults to ZONE\n");
100 fprintf(stderr, " -p protocol: default: 3 [dnssec]\n");
101 fprintf(stderr, " -t type: "
102 "AUTHCONF | NOAUTHCONF | NOAUTH | NOCONF "
103 "(default: AUTHCONF)\n");
104 fprintf(stderr, " -y: permit keys that might collide\n");
105 fprintf(stderr, " -v verbose level\n");
106 fprintf(stderr, " -V: print version information\n");
107 fprintf(stderr, "Date options:\n");
108 fprintf(stderr, " -P date/[+-]offset: set key publication date\n");
109 fprintf(stderr, " -A date/[+-]offset: set key activation date\n");
110 fprintf(stderr, " -R date/[+-]offset: set key revocation date\n");
111 fprintf(stderr, " -I date/[+-]offset: set key inactivation date\n");
112 fprintf(stderr, " -D date/[+-]offset: set key deletion date\n");
113 fprintf(stderr, " -G: generate key only; do not set -P or -A\n");
114 fprintf(stderr, " -C: generate a backward-compatible key, omitting"
115 " all dates\n");
116 fprintf(stderr, " -S <key>: generate a successor to an existing "
117 "key\n");
118 fprintf(stderr, " -i <interval>: prepublication interval for "
119 "successor key "
120 "(default: 30 days)\n");
121 fprintf(stderr, "Output:\n");
122 fprintf(stderr, " K<name>+<alg>+<id>.key, "
123 "K<name>+<alg>+<id>.private\n");
125 exit (-1);
129 main(int argc, char **argv) {
130 char *algname = NULL, *freeit = NULL;
131 char *nametype = NULL, *type = NULL;
132 const char *directory = NULL;
133 const char *predecessor = NULL;
134 dst_key_t *prevkey = NULL;
135 #ifdef USE_PKCS11
136 const char *engine = PKCS11_ENGINE;
137 #else
138 const char *engine = NULL;
139 #endif
140 char *classname = NULL;
141 char *endp;
142 dst_key_t *key = NULL;
143 dns_fixedname_t fname;
144 dns_name_t *name;
145 isc_uint16_t flags = 0, kskflag = 0, revflag = 0;
146 dns_secalg_t alg;
147 isc_boolean_t oldstyle = ISC_FALSE;
148 isc_mem_t *mctx = NULL;
149 int ch;
150 int protocol = -1, signatory = 0;
151 isc_result_t ret;
152 isc_textregion_t r;
153 char filename[255];
154 isc_buffer_t buf;
155 isc_log_t *log = NULL;
156 isc_entropy_t *ectx = NULL;
157 dns_rdataclass_t rdclass;
158 int options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC;
159 char *label = NULL;
160 dns_ttl_t ttl = 0;
161 isc_stdtime_t publish = 0, activate = 0, revoke = 0;
162 isc_stdtime_t inactive = 0, delete = 0;
163 isc_stdtime_t now;
164 int prepub = -1;
165 isc_boolean_t setpub = ISC_FALSE, setact = ISC_FALSE;
166 isc_boolean_t setrev = ISC_FALSE, setinact = ISC_FALSE;
167 isc_boolean_t setdel = ISC_FALSE, setttl = ISC_FALSE;
168 isc_boolean_t unsetpub = ISC_FALSE, unsetact = ISC_FALSE;
169 isc_boolean_t unsetrev = ISC_FALSE, unsetinact = ISC_FALSE;
170 isc_boolean_t unsetdel = ISC_FALSE;
171 isc_boolean_t genonly = ISC_FALSE;
172 isc_boolean_t use_nsec3 = ISC_FALSE;
173 isc_boolean_t avoid_collisions = ISC_TRUE;
174 isc_boolean_t exact;
175 unsigned char c;
177 if (argc == 1)
178 usage();
180 RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
182 #ifdef PKCS11CRYPTO
183 pk11_result_register();
184 #endif
185 dns_result_register();
187 isc_commandline_errprint = ISC_FALSE;
189 isc_stdtime_get(&now);
191 #define CMDLINE_FLAGS "3A:a:Cc:D:E:Ff:GhI:i:kK:L:l:n:P:p:R:S:t:v:Vy"
192 while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
193 switch (ch) {
194 case '3':
195 use_nsec3 = ISC_TRUE;
196 break;
197 case 'a':
198 algname = isc_commandline_argument;
199 break;
200 case 'C':
201 oldstyle = ISC_TRUE;
202 break;
203 case 'c':
204 classname = isc_commandline_argument;
205 break;
206 case 'E':
207 engine = isc_commandline_argument;
208 break;
209 case 'f':
210 c = (unsigned char)(isc_commandline_argument[0]);
211 if (toupper(c) == 'K')
212 kskflag = DNS_KEYFLAG_KSK;
213 else if (toupper(c) == 'R')
214 revflag = DNS_KEYFLAG_REVOKE;
215 else
216 fatal("unknown flag '%s'",
217 isc_commandline_argument);
218 break;
219 case 'K':
220 directory = isc_commandline_argument;
221 ret = try_dir(directory);
222 if (ret != ISC_R_SUCCESS)
223 fatal("cannot open directory %s: %s",
224 directory, isc_result_totext(ret));
225 break;
226 case 'k':
227 options |= DST_TYPE_KEY;
228 break;
229 case 'L':
230 ttl = strtottl(isc_commandline_argument);
231 setttl = ISC_TRUE;
232 break;
233 case 'l':
234 label = isc_mem_strdup(mctx, isc_commandline_argument);
235 break;
236 case 'n':
237 nametype = isc_commandline_argument;
238 break;
239 case 'p':
240 protocol = strtol(isc_commandline_argument, &endp, 10);
241 if (*endp != '\0' || protocol < 0 || protocol > 255)
242 fatal("-p must be followed by a number "
243 "[0..255]");
244 break;
245 case 't':
246 type = isc_commandline_argument;
247 break;
248 case 'v':
249 verbose = strtol(isc_commandline_argument, &endp, 0);
250 if (*endp != '\0')
251 fatal("-v must be followed by a number");
252 break;
253 case 'y':
254 avoid_collisions = ISC_FALSE;
255 break;
256 case 'G':
257 genonly = ISC_TRUE;
258 break;
259 case 'P':
260 if (setpub || unsetpub)
261 fatal("-P specified more than once");
263 publish = strtotime(isc_commandline_argument,
264 now, now, &setpub);
265 unsetpub = !setpub;
266 break;
267 case 'A':
268 if (setact || unsetact)
269 fatal("-A specified more than once");
271 activate = strtotime(isc_commandline_argument,
272 now, now, &setact);
273 unsetact = !setact;
274 break;
275 case 'R':
276 if (setrev || unsetrev)
277 fatal("-R specified more than once");
279 revoke = strtotime(isc_commandline_argument,
280 now, now, &setrev);
281 unsetrev = !setrev;
282 break;
283 case 'I':
284 if (setinact || unsetinact)
285 fatal("-I specified more than once");
287 inactive = strtotime(isc_commandline_argument,
288 now, now, &setinact);
289 unsetinact = !setinact;
290 break;
291 case 'D':
292 if (setdel || unsetdel)
293 fatal("-D specified more than once");
295 delete = strtotime(isc_commandline_argument,
296 now, now, &setdel);
297 unsetdel = !setdel;
298 break;
299 case 'S':
300 predecessor = isc_commandline_argument;
301 break;
302 case 'i':
303 prepub = strtottl(isc_commandline_argument);
304 break;
305 case 'F':
306 /* Reserved for FIPS mode */
307 /* FALLTHROUGH */
308 case '?':
309 if (isc_commandline_option != '?')
310 fprintf(stderr, "%s: invalid argument -%c\n",
311 program, isc_commandline_option);
312 /* FALLTHROUGH */
313 case 'h':
314 /* Does not return. */
315 usage();
317 case 'V':
318 /* Does not return. */
319 version(program);
321 default:
322 fprintf(stderr, "%s: unhandled option -%c\n",
323 program, isc_commandline_option);
324 exit(1);
328 if (ectx == NULL)
329 setup_entropy(mctx, NULL, &ectx);
330 ret = dst_lib_init2(mctx, ectx, engine,
331 ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
332 if (ret != ISC_R_SUCCESS)
333 fatal("could not initialize dst: %s",
334 isc_result_totext(ret));
336 setup_logging(mctx, &log);
338 if (predecessor == NULL) {
339 if (label == NULL)
340 fatal("the key label was not specified");
341 if (argc < isc_commandline_index + 1)
342 fatal("the key name was not specified");
343 if (argc > isc_commandline_index + 1)
344 fatal("extraneous arguments");
346 dns_fixedname_init(&fname);
347 name = dns_fixedname_name(&fname);
348 isc_buffer_init(&buf, argv[isc_commandline_index],
349 strlen(argv[isc_commandline_index]));
350 isc_buffer_add(&buf, strlen(argv[isc_commandline_index]));
351 ret = dns_name_fromtext(name, &buf, dns_rootname, 0, NULL);
352 if (ret != ISC_R_SUCCESS)
353 fatal("invalid key name %s: %s",
354 argv[isc_commandline_index],
355 isc_result_totext(ret));
357 if (strchr(label, ':') == NULL) {
358 char *l;
359 int len;
361 len = strlen(label) + 8;
362 l = isc_mem_allocate(mctx, len);
363 if (l == NULL)
364 fatal("cannot allocate memory");
365 snprintf(l, len, "pkcs11:%s", label);
366 isc_mem_free(mctx, label);
367 label = l;
370 if (algname == NULL) {
371 if (use_nsec3)
372 algname = strdup(DEFAULT_NSEC3_ALGORITHM);
373 else
374 algname = strdup(DEFAULT_ALGORITHM);
375 if (algname == NULL)
376 fatal("strdup failed");
377 freeit = algname;
378 if (verbose > 0)
379 fprintf(stderr, "no algorithm specified; "
380 "defaulting to %s\n", algname);
383 if (strcasecmp(algname, "RSA") == 0) {
384 fprintf(stderr, "The use of RSA (RSAMD5) is not "
385 "recommended.\nIf you still wish to "
386 "use RSA (RSAMD5) please specify "
387 "\"-a RSAMD5\"\n");
388 if (freeit != NULL)
389 free(freeit);
390 return (1);
391 } else {
392 r.base = algname;
393 r.length = strlen(algname);
394 ret = dns_secalg_fromtext(&alg, &r);
395 if (ret != ISC_R_SUCCESS)
396 fatal("unknown algorithm %s", algname);
397 if (alg == DST_ALG_DH)
398 options |= DST_TYPE_KEY;
401 if (use_nsec3 &&
402 alg != DST_ALG_NSEC3DSA && alg != DST_ALG_NSEC3RSASHA1 &&
403 alg != DST_ALG_RSASHA256 && alg != DST_ALG_RSASHA512 &&
404 alg != DST_ALG_ECCGOST &&
405 alg != DST_ALG_ECDSA256 && alg != DST_ALG_ECDSA384) {
406 fatal("%s is incompatible with NSEC3; "
407 "do not use the -3 option", algname);
410 if (type != NULL && (options & DST_TYPE_KEY) != 0) {
411 if (strcasecmp(type, "NOAUTH") == 0)
412 flags |= DNS_KEYTYPE_NOAUTH;
413 else if (strcasecmp(type, "NOCONF") == 0)
414 flags |= DNS_KEYTYPE_NOCONF;
415 else if (strcasecmp(type, "NOAUTHCONF") == 0)
416 flags |= (DNS_KEYTYPE_NOAUTH |
417 DNS_KEYTYPE_NOCONF);
418 else if (strcasecmp(type, "AUTHCONF") == 0)
419 /* nothing */;
420 else
421 fatal("invalid type %s", type);
424 if (!oldstyle && prepub > 0) {
425 if (setpub && setact && (activate - prepub) < publish)
426 fatal("Activation and publication dates "
427 "are closer together than the\n\t"
428 "prepublication interval.");
430 if (!setpub && !setact) {
431 setpub = setact = ISC_TRUE;
432 publish = now;
433 activate = now + prepub;
434 } else if (setpub && !setact) {
435 setact = ISC_TRUE;
436 activate = publish + prepub;
437 } else if (setact && !setpub) {
438 setpub = ISC_TRUE;
439 publish = activate - prepub;
442 if ((activate - prepub) < now)
443 fatal("Time until activation is shorter "
444 "than the\n\tprepublication interval.");
446 } else {
447 char keystr[DST_KEY_FORMATSIZE];
448 isc_stdtime_t when;
449 int major, minor;
451 if (prepub == -1)
452 prepub = (30 * 86400);
454 if (algname != NULL)
455 fatal("-S and -a cannot be used together");
456 if (nametype != NULL)
457 fatal("-S and -n cannot be used together");
458 if (type != NULL)
459 fatal("-S and -t cannot be used together");
460 if (setpub || unsetpub)
461 fatal("-S and -P cannot be used together");
462 if (setact || unsetact)
463 fatal("-S and -A cannot be used together");
464 if (use_nsec3)
465 fatal("-S and -3 cannot be used together");
466 if (oldstyle)
467 fatal("-S and -C cannot be used together");
468 if (genonly)
469 fatal("-S and -G cannot be used together");
471 ret = dst_key_fromnamedfile(predecessor, directory,
472 DST_TYPE_PUBLIC | DST_TYPE_PRIVATE,
473 mctx, &prevkey);
474 if (ret != ISC_R_SUCCESS)
475 fatal("Invalid keyfile %s: %s",
476 predecessor, isc_result_totext(ret));
477 if (!dst_key_isprivate(prevkey))
478 fatal("%s is not a private key", predecessor);
480 name = dst_key_name(prevkey);
481 alg = dst_key_alg(prevkey);
482 flags = dst_key_flags(prevkey);
484 dst_key_format(prevkey, keystr, sizeof(keystr));
485 dst_key_getprivateformat(prevkey, &major, &minor);
486 if (major != DST_MAJOR_VERSION || minor < DST_MINOR_VERSION)
487 fatal("Key %s has incompatible format version %d.%d\n\t"
488 "It is not possible to generate a successor key.",
489 keystr, major, minor);
491 ret = dst_key_gettime(prevkey, DST_TIME_ACTIVATE, &when);
492 if (ret != ISC_R_SUCCESS)
493 fatal("Key %s has no activation date.\n\t"
494 "You must use dnssec-settime -A to set one "
495 "before generating a successor.", keystr);
497 ret = dst_key_gettime(prevkey, DST_TIME_INACTIVE, &activate);
498 if (ret != ISC_R_SUCCESS)
499 fatal("Key %s has no inactivation date.\n\t"
500 "You must use dnssec-settime -I to set one "
501 "before generating a successor.", keystr);
503 publish = activate - prepub;
504 if (publish < now)
505 fatal("Key %s becomes inactive\n\t"
506 "sooner than the prepublication period "
507 "for the new key ends.\n\t"
508 "Either change the inactivation date with "
509 "dnssec-settime -I,\n\t"
510 "or use the -i option to set a shorter "
511 "prepublication interval.", keystr);
513 ret = dst_key_gettime(prevkey, DST_TIME_DELETE, &when);
514 if (ret != ISC_R_SUCCESS)
515 fprintf(stderr, "%s: WARNING: Key %s has no removal "
516 "date;\n\t it will remain in the zone "
517 "indefinitely after rollover.\n\t "
518 "You can use dnssec-settime -D to "
519 "change this.\n", program, keystr);
521 setpub = setact = ISC_TRUE;
524 if (nametype == NULL) {
525 if ((options & DST_TYPE_KEY) != 0) /* KEY */
526 fatal("no nametype specified");
527 flags |= DNS_KEYOWNER_ZONE; /* DNSKEY */
528 } else if (strcasecmp(nametype, "zone") == 0)
529 flags |= DNS_KEYOWNER_ZONE;
530 else if ((options & DST_TYPE_KEY) != 0) { /* KEY */
531 if (strcasecmp(nametype, "host") == 0 ||
532 strcasecmp(nametype, "entity") == 0)
533 flags |= DNS_KEYOWNER_ENTITY;
534 else if (strcasecmp(nametype, "user") == 0)
535 flags |= DNS_KEYOWNER_USER;
536 else
537 fatal("invalid KEY nametype %s", nametype);
538 } else if (strcasecmp(nametype, "other") != 0) /* DNSKEY */
539 fatal("invalid DNSKEY nametype %s", nametype);
541 rdclass = strtoclass(classname);
543 if (directory == NULL)
544 directory = ".";
546 if ((options & DST_TYPE_KEY) != 0) /* KEY */
547 flags |= signatory;
548 else if ((flags & DNS_KEYOWNER_ZONE) != 0) { /* DNSKEY */
549 flags |= kskflag;
550 flags |= revflag;
553 if (protocol == -1)
554 protocol = DNS_KEYPROTO_DNSSEC;
555 else if ((options & DST_TYPE_KEY) == 0 &&
556 protocol != DNS_KEYPROTO_DNSSEC)
557 fatal("invalid DNSKEY protocol: %d", protocol);
559 if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY) {
560 if ((flags & DNS_KEYFLAG_SIGNATORYMASK) != 0)
561 fatal("specified null key with signing authority");
564 if ((flags & DNS_KEYFLAG_OWNERMASK) == DNS_KEYOWNER_ZONE &&
565 alg == DNS_KEYALG_DH)
566 fatal("a key with algorithm '%s' cannot be a zone key",
567 algname);
569 isc_buffer_init(&buf, filename, sizeof(filename) - 1);
571 /* associate the key */
572 ret = dst_key_fromlabel(name, alg, flags, protocol,
573 rdclass, "pkcs11", label, NULL, mctx, &key);
574 isc_entropy_stopcallbacksources(ectx);
576 if (ret != ISC_R_SUCCESS) {
577 char namestr[DNS_NAME_FORMATSIZE];
578 char algstr[DNS_SECALG_FORMATSIZE];
579 dns_name_format(name, namestr, sizeof(namestr));
580 dns_secalg_format(alg, algstr, sizeof(algstr));
581 fatal("failed to get key %s/%s: %s",
582 namestr, algstr, isc_result_totext(ret));
583 /* NOTREACHED */
584 exit(-1);
588 * Set key timing metadata (unless using -C)
590 * Publish and activation dates are set to "now" by default, but
591 * can be overridden. Creation date is always set to "now".
593 if (!oldstyle) {
594 dst_key_settime(key, DST_TIME_CREATED, now);
596 if (genonly && (setpub || setact))
597 fatal("cannot use -G together with -P or -A options");
599 if (setpub)
600 dst_key_settime(key, DST_TIME_PUBLISH, publish);
601 else if (setact)
602 dst_key_settime(key, DST_TIME_PUBLISH, activate);
603 else if (!genonly && !unsetpub)
604 dst_key_settime(key, DST_TIME_PUBLISH, now);
606 if (setact)
607 dst_key_settime(key, DST_TIME_ACTIVATE, activate);
608 else if (!genonly && !unsetact)
609 dst_key_settime(key, DST_TIME_ACTIVATE, now);
611 if (setrev) {
612 if (kskflag == 0)
613 fprintf(stderr, "%s: warning: Key is "
614 "not flagged as a KSK, but -R "
615 "was used. Revoking a ZSK is "
616 "legal, but undefined.\n",
617 program);
618 dst_key_settime(key, DST_TIME_REVOKE, revoke);
621 if (setinact)
622 dst_key_settime(key, DST_TIME_INACTIVE, inactive);
624 if (setdel)
625 dst_key_settime(key, DST_TIME_DELETE, delete);
626 } else {
627 if (setpub || setact || setrev || setinact ||
628 setdel || unsetpub || unsetact ||
629 unsetrev || unsetinact || unsetdel || genonly)
630 fatal("cannot use -C together with "
631 "-P, -A, -R, -I, -D, or -G options");
633 * Compatibility mode: Private-key-format
634 * should be set to 1.2.
636 dst_key_setprivateformat(key, 1, 2);
639 /* Set default key TTL */
640 if (setttl)
641 dst_key_setttl(key, ttl);
644 * Do not overwrite an existing key. Warn LOUDLY if there
645 * is a risk of ID collision due to this key or another key
646 * being revoked.
648 if (key_collision(key, name, directory, mctx, &exact)) {
649 isc_buffer_clear(&buf);
650 ret = dst_key_buildfilename(key, 0, directory, &buf);
651 if (ret != ISC_R_SUCCESS)
652 fatal("dst_key_buildfilename returned: %s\n",
653 isc_result_totext(ret));
654 if (exact)
655 fatal("%s: %s already exists\n", program, filename);
657 if (avoid_collisions)
658 fatal("%s: %s could collide with another key upon "
659 "revokation\n", program, filename);
661 fprintf(stderr, "%s: WARNING: Key %s could collide with "
662 "another key upon revokation. If you plan "
663 "to revoke keys, destroy this key and "
664 "generate a different one.\n",
665 program, filename);
668 ret = dst_key_tofile(key, options, directory);
669 if (ret != ISC_R_SUCCESS) {
670 char keystr[DST_KEY_FORMATSIZE];
671 dst_key_format(key, keystr, sizeof(keystr));
672 fatal("failed to write key %s: %s\n", keystr,
673 isc_result_totext(ret));
676 isc_buffer_clear(&buf);
677 ret = dst_key_buildfilename(key, 0, NULL, &buf);
678 if (ret != ISC_R_SUCCESS)
679 fatal("dst_key_buildfilename returned: %s\n",
680 isc_result_totext(ret));
681 printf("%s\n", filename);
682 dst_key_free(&key);
683 if (prevkey != NULL)
684 dst_key_free(&prevkey);
686 cleanup_logging(&log);
687 cleanup_entropy(&ectx);
688 dst_lib_destroy();
689 dns_name_destroy();
690 if (verbose > 10)
691 isc_mem_stats(mctx, stdout);
692 isc_mem_free(mctx, label);
693 isc_mem_destroy(&mctx);
695 if (freeit != NULL)
696 free(freeit);
698 return (0);