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-rw-r--r--bin/dnssec/dnssec-keyfromlabel.c760
1 files changed, 760 insertions, 0 deletions
diff --git a/bin/dnssec/dnssec-keyfromlabel.c b/bin/dnssec/dnssec-keyfromlabel.c
new file mode 100644
index 0000000..53ca718
--- /dev/null
+++ b/bin/dnssec/dnssec-keyfromlabel.c
@@ -0,0 +1,760 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <ctype.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include <isc/attributes.h>
+#include <isc/buffer.h>
+#include <isc/commandline.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/region.h>
+#include <isc/result.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/dnssec.h>
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/log.h>
+#include <dns/name.h>
+#include <dns/rdataclass.h>
+#include <dns/secalg.h>
+
+#include <dst/dst.h>
+
+#include "dnssectool.h"
+
+#define MAX_RSA 4096 /* should be long enough... */
+
+const char *program = "dnssec-keyfromlabel";
+
+noreturn static void
+usage(void);
+
+static void
+usage(void) {
+ fprintf(stderr, "Usage:\n");
+ fprintf(stderr, " %s -l label [options] name\n\n", program);
+ fprintf(stderr, "Version: %s\n", PACKAGE_VERSION);
+ fprintf(stderr, "Required options:\n");
+ fprintf(stderr, " -l label: label of the key pair\n");
+ fprintf(stderr, " name: owner of the key\n");
+ fprintf(stderr, "Other options:\n");
+ fprintf(stderr, " -a algorithm: \n"
+ " DH | RSASHA1 |\n"
+ " NSEC3RSASHA1 |\n"
+ " RSASHA256 | RSASHA512 |\n"
+ " ECDSAP256SHA256 | ECDSAP384SHA384 |\n"
+ " ED25519 | ED448\n");
+ fprintf(stderr, " -3: use NSEC3-capable algorithm\n");
+ fprintf(stderr, " -c class (default: IN)\n");
+ fprintf(stderr, " -E <engine>:\n");
+ fprintf(stderr, " name of an OpenSSL engine to use\n");
+ fprintf(stderr, " -f keyflag: KSK | REVOKE\n");
+ fprintf(stderr, " -K directory: directory in which to place "
+ "key files\n");
+ fprintf(stderr, " -k: generate a TYPE=KEY key\n");
+ fprintf(stderr, " -L ttl: default key TTL\n");
+ fprintf(stderr, " -n nametype: ZONE | HOST | ENTITY | USER | "
+ "OTHER\n");
+ fprintf(stderr, " (DNSKEY generation defaults to ZONE\n");
+ fprintf(stderr, " -p protocol: default: 3 [dnssec]\n");
+ fprintf(stderr, " -t type: "
+ "AUTHCONF | NOAUTHCONF | NOAUTH | NOCONF "
+ "(default: AUTHCONF)\n");
+ fprintf(stderr, " -y: permit keys that might collide\n");
+ fprintf(stderr, " -v verbose level\n");
+ fprintf(stderr, " -V: print version information\n");
+ fprintf(stderr, "Date options:\n");
+ fprintf(stderr, " -P date/[+-]offset: set key publication date\n");
+ fprintf(stderr, " -P sync date/[+-]offset: set CDS and CDNSKEY "
+ "publication date\n");
+ fprintf(stderr, " -A date/[+-]offset: set key activation date\n");
+ fprintf(stderr, " -R date/[+-]offset: set key revocation date\n");
+ fprintf(stderr, " -I date/[+-]offset: set key inactivation date\n");
+ fprintf(stderr, " -D date/[+-]offset: set key deletion date\n");
+ fprintf(stderr, " -D sync date/[+-]offset: set CDS and CDNSKEY "
+ "deletion date\n");
+ fprintf(stderr, " -G: generate key only; do not set -P or -A\n");
+ fprintf(stderr, " -C: generate a backward-compatible key, omitting"
+ " all dates\n");
+ fprintf(stderr, " -S <key>: generate a successor to an existing "
+ "key\n");
+ fprintf(stderr, " -i <interval>: prepublication interval for "
+ "successor key "
+ "(default: 30 days)\n");
+ fprintf(stderr, "Output:\n");
+ fprintf(stderr, " K<name>+<alg>+<id>.key, "
+ "K<name>+<alg>+<id>.private\n");
+
+ exit(-1);
+}
+
+int
+main(int argc, char **argv) {
+ char *algname = NULL, *freeit = NULL;
+ char *nametype = NULL, *type = NULL;
+ const char *directory = NULL;
+ const char *predecessor = NULL;
+ dst_key_t *prevkey = NULL;
+ const char *engine = NULL;
+ char *classname = NULL;
+ char *endp;
+ dst_key_t *key = NULL;
+ dns_fixedname_t fname;
+ dns_name_t *name;
+ uint16_t flags = 0, kskflag = 0, revflag = 0;
+ dns_secalg_t alg;
+ bool oldstyle = false;
+ isc_mem_t *mctx = NULL;
+ int ch;
+ int protocol = -1, signatory = 0;
+ isc_result_t ret;
+ isc_textregion_t r;
+ char filename[255];
+ isc_buffer_t buf;
+ isc_log_t *log = NULL;
+ dns_rdataclass_t rdclass;
+ int options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC;
+ char *label = NULL;
+ dns_ttl_t ttl = 0;
+ isc_stdtime_t publish = 0, activate = 0, revoke = 0;
+ isc_stdtime_t inactive = 0, deltime = 0;
+ isc_stdtime_t now;
+ int prepub = -1;
+ bool setpub = false, setact = false;
+ bool setrev = false, setinact = false;
+ bool setdel = false, setttl = false;
+ bool unsetpub = false, unsetact = false;
+ bool unsetrev = false, unsetinact = false;
+ bool unsetdel = false;
+ bool genonly = false;
+ bool use_nsec3 = false;
+ bool avoid_collisions = true;
+ bool exact;
+ unsigned char c;
+ isc_stdtime_t syncadd = 0, syncdel = 0;
+ bool unsetsyncadd = false, setsyncadd = false;
+ bool unsetsyncdel = false, setsyncdel = false;
+
+ if (argc == 1) {
+ usage();
+ }
+
+ isc_mem_create(&mctx);
+
+ isc_commandline_errprint = false;
+
+ isc_stdtime_get(&now);
+
+#define CMDLINE_FLAGS "3A:a:Cc:D:E:Ff:GhI:i:kK:L:l:n:P:p:R:S:t:v:Vy"
+ while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
+ switch (ch) {
+ case '3':
+ use_nsec3 = true;
+ break;
+ case 'a':
+ algname = isc_commandline_argument;
+ break;
+ case 'C':
+ oldstyle = true;
+ break;
+ case 'c':
+ classname = isc_commandline_argument;
+ break;
+ case 'E':
+ engine = isc_commandline_argument;
+ break;
+ case 'f':
+ c = (unsigned char)(isc_commandline_argument[0]);
+ if (toupper(c) == 'K') {
+ kskflag = DNS_KEYFLAG_KSK;
+ } else if (toupper(c) == 'R') {
+ revflag = DNS_KEYFLAG_REVOKE;
+ } else {
+ fatal("unknown flag '%s'",
+ isc_commandline_argument);
+ }
+ break;
+ case 'K':
+ directory = isc_commandline_argument;
+ ret = try_dir(directory);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("cannot open directory %s: %s", directory,
+ isc_result_totext(ret));
+ }
+ break;
+ case 'k':
+ options |= DST_TYPE_KEY;
+ break;
+ case 'L':
+ ttl = strtottl(isc_commandline_argument);
+ setttl = true;
+ break;
+ case 'l':
+ label = isc_mem_strdup(mctx, isc_commandline_argument);
+ break;
+ case 'n':
+ nametype = isc_commandline_argument;
+ break;
+ case 'p':
+ protocol = strtol(isc_commandline_argument, &endp, 10);
+ if (*endp != '\0' || protocol < 0 || protocol > 255) {
+ fatal("-p must be followed by a number "
+ "[0..255]");
+ }
+ break;
+ case 't':
+ type = isc_commandline_argument;
+ break;
+ case 'v':
+ verbose = strtol(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0') {
+ fatal("-v must be followed by a number");
+ }
+ break;
+ case 'y':
+ avoid_collisions = false;
+ break;
+ case 'G':
+ genonly = true;
+ break;
+ case 'P':
+ /* -Psync ? */
+ if (isoptarg("sync", argv, usage)) {
+ if (unsetsyncadd || setsyncadd) {
+ fatal("-P sync specified more than "
+ "once");
+ }
+
+ syncadd = strtotime(isc_commandline_argument,
+ now, now, &setsyncadd);
+ unsetsyncadd = !setsyncadd;
+ break;
+ }
+ /* -Pdnskey ? */
+ (void)isoptarg("dnskey", argv, usage);
+ if (setpub || unsetpub) {
+ fatal("-P specified more than once");
+ }
+
+ publish = strtotime(isc_commandline_argument, now, now,
+ &setpub);
+ unsetpub = !setpub;
+ break;
+ case 'A':
+ if (setact || unsetact) {
+ fatal("-A specified more than once");
+ }
+
+ activate = strtotime(isc_commandline_argument, now, now,
+ &setact);
+ unsetact = !setact;
+ break;
+ case 'R':
+ if (setrev || unsetrev) {
+ fatal("-R specified more than once");
+ }
+
+ revoke = strtotime(isc_commandline_argument, now, now,
+ &setrev);
+ unsetrev = !setrev;
+ break;
+ case 'I':
+ if (setinact || unsetinact) {
+ fatal("-I specified more than once");
+ }
+
+ inactive = strtotime(isc_commandline_argument, now, now,
+ &setinact);
+ unsetinact = !setinact;
+ break;
+ case 'D':
+ /* -Dsync ? */
+ if (isoptarg("sync", argv, usage)) {
+ if (unsetsyncdel || setsyncdel) {
+ fatal("-D sync specified more than "
+ "once");
+ }
+
+ syncdel = strtotime(isc_commandline_argument,
+ now, now, &setsyncdel);
+ unsetsyncdel = !setsyncdel;
+ break;
+ }
+ /* -Ddnskey ? */
+ (void)isoptarg("dnskey", argv, usage);
+ if (setdel || unsetdel) {
+ fatal("-D specified more than once");
+ }
+
+ deltime = strtotime(isc_commandline_argument, now, now,
+ &setdel);
+ unsetdel = !setdel;
+ break;
+ case 'S':
+ predecessor = isc_commandline_argument;
+ break;
+ case 'i':
+ prepub = strtottl(isc_commandline_argument);
+ break;
+ case 'F':
+ /* Reserved for FIPS mode */
+ FALLTHROUGH;
+ case '?':
+ if (isc_commandline_option != '?') {
+ fprintf(stderr, "%s: invalid argument -%c\n",
+ program, isc_commandline_option);
+ }
+ FALLTHROUGH;
+ case 'h':
+ /* Does not return. */
+ usage();
+
+ case 'V':
+ /* Does not return. */
+ version(program);
+
+ default:
+ fprintf(stderr, "%s: unhandled option -%c\n", program,
+ isc_commandline_option);
+ exit(1);
+ }
+ }
+
+ ret = dst_lib_init(mctx, engine);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("could not initialize dst: %s", isc_result_totext(ret));
+ }
+
+ setup_logging(mctx, &log);
+
+ if (predecessor == NULL) {
+ if (label == NULL) {
+ fatal("the key label was not specified");
+ }
+ if (argc < isc_commandline_index + 1) {
+ fatal("the key name was not specified");
+ }
+ if (argc > isc_commandline_index + 1) {
+ fatal("extraneous arguments");
+ }
+
+ name = dns_fixedname_initname(&fname);
+ isc_buffer_init(&buf, argv[isc_commandline_index],
+ strlen(argv[isc_commandline_index]));
+ isc_buffer_add(&buf, strlen(argv[isc_commandline_index]));
+ ret = dns_name_fromtext(name, &buf, dns_rootname, 0, NULL);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("invalid key name %s: %s",
+ argv[isc_commandline_index],
+ isc_result_totext(ret));
+ }
+
+ if (strchr(label, ':') == NULL) {
+ char *l;
+ int len;
+
+ len = strlen(label) + 8;
+ l = isc_mem_allocate(mctx, len);
+ snprintf(l, len, "pkcs11:%s", label);
+ isc_mem_free(mctx, label);
+ label = l;
+ }
+
+ if (algname == NULL) {
+ fatal("no algorithm specified");
+ }
+
+ r.base = algname;
+ r.length = strlen(algname);
+ ret = dns_secalg_fromtext(&alg, &r);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("unknown algorithm %s", algname);
+ }
+ if (alg == DST_ALG_DH) {
+ options |= DST_TYPE_KEY;
+ }
+
+ if (use_nsec3) {
+ switch (alg) {
+ case DST_ALG_RSASHA1:
+ alg = DST_ALG_NSEC3RSASHA1;
+ break;
+ case DST_ALG_NSEC3RSASHA1:
+ case DST_ALG_RSASHA256:
+ case DST_ALG_RSASHA512:
+ case DST_ALG_ECDSA256:
+ case DST_ALG_ECDSA384:
+ case DST_ALG_ED25519:
+ case DST_ALG_ED448:
+ break;
+ default:
+ fatal("%s is incompatible with NSEC3; "
+ "do not use the -3 option",
+ algname);
+ }
+ }
+
+ if (type != NULL && (options & DST_TYPE_KEY) != 0) {
+ if (strcasecmp(type, "NOAUTH") == 0) {
+ flags |= DNS_KEYTYPE_NOAUTH;
+ } else if (strcasecmp(type, "NOCONF") == 0) {
+ flags |= DNS_KEYTYPE_NOCONF;
+ } else if (strcasecmp(type, "NOAUTHCONF") == 0) {
+ flags |= (DNS_KEYTYPE_NOAUTH |
+ DNS_KEYTYPE_NOCONF);
+ } else if (strcasecmp(type, "AUTHCONF") == 0) {
+ /* nothing */
+ } else {
+ fatal("invalid type %s", type);
+ }
+ }
+
+ if (!oldstyle && prepub > 0) {
+ if (setpub && setact && (activate - prepub) < publish) {
+ fatal("Activation and publication dates "
+ "are closer together than the\n\t"
+ "prepublication interval.");
+ }
+
+ if (!setpub && !setact) {
+ setpub = setact = true;
+ publish = now;
+ activate = now + prepub;
+ } else if (setpub && !setact) {
+ setact = true;
+ activate = publish + prepub;
+ } else if (setact && !setpub) {
+ setpub = true;
+ publish = activate - prepub;
+ }
+
+ if ((activate - prepub) < now) {
+ fatal("Time until activation is shorter "
+ "than the\n\tprepublication interval.");
+ }
+ }
+ } else {
+ char keystr[DST_KEY_FORMATSIZE];
+ isc_stdtime_t when;
+ int major, minor;
+
+ if (prepub == -1) {
+ prepub = (30 * 86400);
+ }
+
+ if (algname != NULL) {
+ fatal("-S and -a cannot be used together");
+ }
+ if (nametype != NULL) {
+ fatal("-S and -n cannot be used together");
+ }
+ if (type != NULL) {
+ fatal("-S and -t cannot be used together");
+ }
+ if (setpub || unsetpub) {
+ fatal("-S and -P cannot be used together");
+ }
+ if (setact || unsetact) {
+ fatal("-S and -A cannot be used together");
+ }
+ if (use_nsec3) {
+ fatal("-S and -3 cannot be used together");
+ }
+ if (oldstyle) {
+ fatal("-S and -C cannot be used together");
+ }
+ if (genonly) {
+ fatal("-S and -G cannot be used together");
+ }
+
+ ret = dst_key_fromnamedfile(predecessor, directory,
+ DST_TYPE_PUBLIC | DST_TYPE_PRIVATE,
+ mctx, &prevkey);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("Invalid keyfile %s: %s", predecessor,
+ isc_result_totext(ret));
+ }
+ if (!dst_key_isprivate(prevkey)) {
+ fatal("%s is not a private key", predecessor);
+ }
+
+ name = dst_key_name(prevkey);
+ alg = dst_key_alg(prevkey);
+ flags = dst_key_flags(prevkey);
+
+ dst_key_format(prevkey, keystr, sizeof(keystr));
+ dst_key_getprivateformat(prevkey, &major, &minor);
+ if (major != DST_MAJOR_VERSION || minor < DST_MINOR_VERSION) {
+ fatal("Key %s has incompatible format version %d.%d\n\t"
+ "It is not possible to generate a successor key.",
+ keystr, major, minor);
+ }
+
+ ret = dst_key_gettime(prevkey, DST_TIME_ACTIVATE, &when);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("Key %s has no activation date.\n\t"
+ "You must use dnssec-settime -A to set one "
+ "before generating a successor.",
+ keystr);
+ }
+
+ ret = dst_key_gettime(prevkey, DST_TIME_INACTIVE, &activate);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("Key %s has no inactivation date.\n\t"
+ "You must use dnssec-settime -I to set one "
+ "before generating a successor.",
+ keystr);
+ }
+
+ publish = activate - prepub;
+ if (publish < now) {
+ fatal("Key %s becomes inactive\n\t"
+ "sooner than the prepublication period "
+ "for the new key ends.\n\t"
+ "Either change the inactivation date with "
+ "dnssec-settime -I,\n\t"
+ "or use the -i option to set a shorter "
+ "prepublication interval.",
+ keystr);
+ }
+
+ ret = dst_key_gettime(prevkey, DST_TIME_DELETE, &when);
+ if (ret != ISC_R_SUCCESS) {
+ fprintf(stderr,
+ "%s: WARNING: Key %s has no removal "
+ "date;\n\t it will remain in the zone "
+ "indefinitely after rollover.\n\t "
+ "You can use dnssec-settime -D to "
+ "change this.\n",
+ program, keystr);
+ }
+
+ setpub = setact = true;
+ }
+
+ if (nametype == NULL) {
+ if ((options & DST_TYPE_KEY) != 0) { /* KEY */
+ fatal("no nametype specified");
+ }
+ flags |= DNS_KEYOWNER_ZONE; /* DNSKEY */
+ } else if (strcasecmp(nametype, "zone") == 0) {
+ flags |= DNS_KEYOWNER_ZONE;
+ } else if ((options & DST_TYPE_KEY) != 0) { /* KEY */
+ if (strcasecmp(nametype, "host") == 0 ||
+ strcasecmp(nametype, "entity") == 0)
+ {
+ flags |= DNS_KEYOWNER_ENTITY;
+ } else if (strcasecmp(nametype, "user") == 0) {
+ flags |= DNS_KEYOWNER_USER;
+ } else {
+ fatal("invalid KEY nametype %s", nametype);
+ }
+ } else if (strcasecmp(nametype, "other") != 0) { /* DNSKEY */
+ fatal("invalid DNSKEY nametype %s", nametype);
+ }
+
+ rdclass = strtoclass(classname);
+
+ if (directory == NULL) {
+ directory = ".";
+ }
+
+ if ((options & DST_TYPE_KEY) != 0) { /* KEY */
+ flags |= signatory;
+ } else if ((flags & DNS_KEYOWNER_ZONE) != 0) { /* DNSKEY */
+ flags |= kskflag;
+ flags |= revflag;
+ }
+
+ if (protocol == -1) {
+ protocol = DNS_KEYPROTO_DNSSEC;
+ } else if ((options & DST_TYPE_KEY) == 0 &&
+ protocol != DNS_KEYPROTO_DNSSEC)
+ {
+ fatal("invalid DNSKEY protocol: %d", protocol);
+ }
+
+ if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY) {
+ if ((flags & DNS_KEYFLAG_SIGNATORYMASK) != 0) {
+ fatal("specified null key with signing authority");
+ }
+ }
+
+ if ((flags & DNS_KEYFLAG_OWNERMASK) == DNS_KEYOWNER_ZONE &&
+ alg == DNS_KEYALG_DH)
+ {
+ fatal("a key with algorithm '%s' cannot be a zone key",
+ algname);
+ }
+
+ isc_buffer_init(&buf, filename, sizeof(filename) - 1);
+
+ /* associate the key */
+ ret = dst_key_fromlabel(name, alg, flags, protocol, rdclass, engine,
+ label, NULL, mctx, &key);
+
+ if (ret != ISC_R_SUCCESS) {
+ char namestr[DNS_NAME_FORMATSIZE];
+ char algstr[DNS_SECALG_FORMATSIZE];
+ dns_name_format(name, namestr, sizeof(namestr));
+ dns_secalg_format(alg, algstr, sizeof(algstr));
+ fatal("failed to get key %s/%s: %s", namestr, algstr,
+ isc_result_totext(ret));
+ UNREACHABLE();
+ exit(-1);
+ }
+
+ /*
+ * Set key timing metadata (unless using -C)
+ *
+ * Publish and activation dates are set to "now" by default, but
+ * can be overridden. Creation date is always set to "now".
+ */
+ if (!oldstyle) {
+ dst_key_settime(key, DST_TIME_CREATED, now);
+
+ if (genonly && (setpub || setact)) {
+ fatal("cannot use -G together with -P or -A options");
+ }
+
+ if (setpub) {
+ dst_key_settime(key, DST_TIME_PUBLISH, publish);
+ } else if (setact) {
+ dst_key_settime(key, DST_TIME_PUBLISH, activate);
+ } else if (!genonly && !unsetpub) {
+ dst_key_settime(key, DST_TIME_PUBLISH, now);
+ }
+
+ if (setact) {
+ dst_key_settime(key, DST_TIME_ACTIVATE, activate);
+ } else if (!genonly && !unsetact) {
+ dst_key_settime(key, DST_TIME_ACTIVATE, now);
+ }
+
+ if (setrev) {
+ if (kskflag == 0) {
+ fprintf(stderr,
+ "%s: warning: Key is "
+ "not flagged as a KSK, but -R "
+ "was used. Revoking a ZSK is "
+ "legal, but undefined.\n",
+ program);
+ }
+ dst_key_settime(key, DST_TIME_REVOKE, revoke);
+ }
+
+ if (setinact) {
+ dst_key_settime(key, DST_TIME_INACTIVE, inactive);
+ }
+
+ if (setdel) {
+ dst_key_settime(key, DST_TIME_DELETE, deltime);
+ }
+ if (setsyncadd) {
+ dst_key_settime(key, DST_TIME_SYNCPUBLISH, syncadd);
+ }
+ if (setsyncdel) {
+ dst_key_settime(key, DST_TIME_SYNCDELETE, syncdel);
+ }
+ } else {
+ if (setpub || setact || setrev || setinact || setdel ||
+ unsetpub || unsetact || unsetrev || unsetinact ||
+ unsetdel || genonly || setsyncadd || setsyncdel)
+ {
+ fatal("cannot use -C together with "
+ "-P, -A, -R, -I, -D, or -G options");
+ }
+ /*
+ * Compatibility mode: Private-key-format
+ * should be set to 1.2.
+ */
+ dst_key_setprivateformat(key, 1, 2);
+ }
+
+ /* Set default key TTL */
+ if (setttl) {
+ dst_key_setttl(key, ttl);
+ }
+
+ /*
+ * Do not overwrite an existing key. Warn LOUDLY if there
+ * is a risk of ID collision due to this key or another key
+ * being revoked.
+ */
+ if (key_collision(key, name, directory, mctx, &exact)) {
+ isc_buffer_clear(&buf);
+ ret = dst_key_buildfilename(key, 0, directory, &buf);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("dst_key_buildfilename returned: %s\n",
+ isc_result_totext(ret));
+ }
+ if (exact) {
+ fatal("%s: %s already exists\n", program, filename);
+ }
+
+ if (avoid_collisions) {
+ fatal("%s: %s could collide with another key upon "
+ "revokation\n",
+ program, filename);
+ }
+
+ fprintf(stderr,
+ "%s: WARNING: Key %s could collide with "
+ "another key upon revokation. If you plan "
+ "to revoke keys, destroy this key and "
+ "generate a different one.\n",
+ program, filename);
+ }
+
+ ret = dst_key_tofile(key, options, directory);
+ if (ret != ISC_R_SUCCESS) {
+ char keystr[DST_KEY_FORMATSIZE];
+ dst_key_format(key, keystr, sizeof(keystr));
+ fatal("failed to write key %s: %s\n", keystr,
+ isc_result_totext(ret));
+ }
+
+ isc_buffer_clear(&buf);
+ ret = dst_key_buildfilename(key, 0, NULL, &buf);
+ if (ret != ISC_R_SUCCESS) {
+ fatal("dst_key_buildfilename returned: %s\n",
+ isc_result_totext(ret));
+ }
+ printf("%s\n", filename);
+ dst_key_free(&key);
+ if (prevkey != NULL) {
+ dst_key_free(&prevkey);
+ }
+
+ cleanup_logging(&log);
+ dst_lib_destroy();
+ if (verbose > 10) {
+ isc_mem_stats(mctx, stdout);
+ }
+ isc_mem_free(mctx, label);
+ isc_mem_destroy(&mctx);
+
+ if (freeit != NULL) {
+ free(freeit);
+ }
+
+ return (0);
+}