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-rw-r--r--bin/dnssec/dnssec-settime.c687
1 files changed, 687 insertions, 0 deletions
diff --git a/bin/dnssec/dnssec-settime.c b/bin/dnssec/dnssec-settime.c
new file mode 100644
index 0000000..f355903
--- /dev/null
+++ b/bin/dnssec/dnssec-settime.c
@@ -0,0 +1,687 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <config.h>
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <time.h>
+
+#include <isc/buffer.h>
+#include <isc/commandline.h>
+#include <isc/entropy.h>
+#include <isc/file.h>
+#include <isc/hash.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/keyvalues.h>
+#include <dns/result.h>
+#include <dns/log.h>
+
+#include <dst/dst.h>
+
+#ifdef PKCS11CRYPTO
+#include <pk11/result.h>
+#endif
+
+#include "dnssectool.h"
+
+const char *program = "dnssec-settime";
+int verbose;
+
+static isc_mem_t *mctx = NULL;
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+ fprintf(stderr, "Usage:\n");
+ fprintf(stderr, " %s [options] keyfile\n\n", program);
+ fprintf(stderr, "Version: %s\n", VERSION);
+ fprintf(stderr, "General options:\n");
+#if defined(PKCS11CRYPTO)
+ fprintf(stderr, " -E engine: specify PKCS#11 provider "
+ "(default: %s)\n", PK11_LIB_LOCATION);
+#elif defined(USE_PKCS11)
+ fprintf(stderr, " -E engine: specify OpenSSL engine "
+ "(default \"pkcs11\")\n");
+#else
+ fprintf(stderr, " -E engine: specify OpenSSL engine\n");
+#endif
+ fprintf(stderr, " -f: force update of old-style "
+ "keys\n");
+ fprintf(stderr, " -K directory: set key file location\n");
+ fprintf(stderr, " -L ttl: set default key TTL\n");
+ fprintf(stderr, " -v level: set level of verbosity\n");
+ fprintf(stderr, " -V: print version information\n");
+ fprintf(stderr, " -h: help\n");
+ fprintf(stderr, "Timing options:\n");
+ fprintf(stderr, " -P date/[+-]offset/none: set/unset key "
+ "publication date\n");
+ fprintf(stderr, " -P sync date/[+-]offset/none: set/unset "
+ "CDS and CDNSKEY publication date\n");
+ fprintf(stderr, " -A date/[+-]offset/none: set/unset key "
+ "activation date\n");
+ fprintf(stderr, " -R date/[+-]offset/none: set/unset key "
+ "revocation date\n");
+ fprintf(stderr, " -I date/[+-]offset/none: set/unset key "
+ "inactivation date\n");
+ fprintf(stderr, " -D date/[+-]offset/none: set/unset key "
+ "deletion date\n");
+ fprintf(stderr, " -D sync date/[+-]offset/none: set/unset "
+ "CDS and CDNSKEY deletion date\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, "Printing options:\n");
+ fprintf(stderr, " -p C/P/Psync/A/R/I/D/Dsync/all: print a "
+ "particular time value or values\n");
+ fprintf(stderr, " -u: print times in unix epoch "
+ "format\n");
+ fprintf(stderr, "Output:\n");
+ fprintf(stderr, " K<name>+<alg>+<new id>.key, "
+ "K<name>+<alg>+<new id>.private\n");
+
+ exit (-1);
+}
+
+static void
+printtime(dst_key_t *key, int type, const char *tag, bool epoch,
+ FILE *stream)
+{
+ isc_result_t result;
+ const char *output = NULL;
+ isc_stdtime_t when;
+
+ if (tag != NULL)
+ fprintf(stream, "%s: ", tag);
+
+ result = dst_key_gettime(key, type, &when);
+ if (result == ISC_R_NOTFOUND) {
+ fprintf(stream, "UNSET\n");
+ } else if (epoch) {
+ fprintf(stream, "%d\n", (int) when);
+ } else {
+ time_t timet = when;
+ output = ctime(&timet);
+ fprintf(stream, "%s", output);
+ }
+}
+
+int
+main(int argc, char **argv) {
+ isc_result_t result;
+#ifdef USE_PKCS11
+ const char *engine = PKCS11_ENGINE;
+#else
+ const char *engine = NULL;
+#endif
+ const char *filename = NULL;
+ char *directory = NULL;
+ char newname[1024];
+ char keystr[DST_KEY_FORMATSIZE];
+ char *endp, *p;
+ int ch;
+ isc_entropy_t *ectx = NULL;
+ const char *predecessor = NULL;
+ dst_key_t *prevkey = NULL;
+ dst_key_t *key = NULL;
+ isc_buffer_t buf;
+ dns_name_t *name = NULL;
+ dns_secalg_t alg = 0;
+ unsigned int size = 0;
+ uint16_t flags = 0;
+ int prepub = -1;
+ dns_ttl_t ttl = 0;
+ isc_stdtime_t now;
+ isc_stdtime_t pub = 0, act = 0, rev = 0, inact = 0, del = 0;
+ isc_stdtime_t prevact = 0, previnact = 0, prevdel = 0;
+ 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 printcreate = false, printpub = false;
+ bool printact = false, printrev = false;
+ bool printinact = false, printdel = false;
+ bool force = false;
+ bool epoch = false;
+ bool changed = false;
+ isc_log_t *log = NULL;
+ isc_stdtime_t syncadd = 0, syncdel = 0;
+ bool unsetsyncadd = false, setsyncadd = false;
+ bool unsetsyncdel = false, setsyncdel = false;
+ bool printsyncadd = false, printsyncdel = false;
+
+ if (argc == 1)
+ usage();
+
+ result = isc_mem_create(0, 0, &mctx);
+ if (result != ISC_R_SUCCESS)
+ fatal("Out of memory");
+
+ setup_logging(mctx, &log);
+
+#ifdef PKCS11CRYPTO
+ pk11_result_register();
+#endif
+ dns_result_register();
+
+ isc_commandline_errprint = false;
+
+ isc_stdtime_get(&now);
+
+#define CMDLINE_FLAGS "A:D:E:fhI:i:K:L:P:p:R:S:uv:V"
+ while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
+ switch (ch) {
+ case 'E':
+ engine = isc_commandline_argument;
+ break;
+ case 'f':
+ force = true;
+ break;
+ case 'p':
+ p = isc_commandline_argument;
+ if (!strcasecmp(p, "all")) {
+ printcreate = true;
+ printpub = true;
+ printact = true;
+ printrev = true;
+ printinact = true;
+ printdel = true;
+ printsyncadd = true;
+ printsyncdel = true;
+ break;
+ }
+
+ do {
+ switch (*p++) {
+ case 'C':
+ printcreate = true;
+ break;
+ case 'P':
+ if (!strncmp(p, "sync", 4)) {
+ p += 4;
+ printsyncadd = true;
+ break;
+ }
+ printpub = true;
+ break;
+ case 'A':
+ printact = true;
+ break;
+ case 'R':
+ printrev = true;
+ break;
+ case 'I':
+ printinact = true;
+ break;
+ case 'D':
+ if (!strncmp(p, "sync", 4)) {
+ p += 4;
+ printsyncdel = true;
+ break;
+ }
+ printdel = true;
+ break;
+ case ' ':
+ break;
+ default:
+ usage();
+ break;
+ }
+ } while (*p != '\0');
+ break;
+ case 'u':
+ epoch = true;
+ break;
+ case 'K':
+ /*
+ * We don't have to copy it here, but do it to
+ * simplify cleanup later
+ */
+ directory = isc_mem_strdup(mctx,
+ isc_commandline_argument);
+ if (directory == NULL) {
+ fatal("Failed to allocate memory for "
+ "directory");
+ }
+ break;
+ case 'L':
+ ttl = strtottl(isc_commandline_argument);
+ setttl = true;
+ break;
+ case 'v':
+ verbose = strtol(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0')
+ fatal("-v must be followed by a number");
+ break;
+ case 'P':
+ /* -Psync ? */
+ if (isoptarg("sync", argv, usage)) {
+ if (unsetsyncadd || setsyncadd)
+ fatal("-P sync specified more than "
+ "once");
+
+ changed = true;
+ syncadd = strtotime(isc_commandline_argument,
+ now, now, &setsyncadd);
+ unsetsyncadd = !setsyncadd;
+ break;
+ }
+ (void)isoptarg("dnskey", argv, usage);
+ if (setpub || unsetpub)
+ fatal("-P specified more than once");
+
+ changed = true;
+ pub = strtotime(isc_commandline_argument,
+ now, now, &setpub);
+ unsetpub = !setpub;
+ break;
+ case 'A':
+ if (setact || unsetact)
+ fatal("-A specified more than once");
+
+ changed = true;
+ act = strtotime(isc_commandline_argument,
+ now, now, &setact);
+ unsetact = !setact;
+ break;
+ case 'R':
+ if (setrev || unsetrev)
+ fatal("-R specified more than once");
+
+ changed = true;
+ rev = strtotime(isc_commandline_argument,
+ now, now, &setrev);
+ unsetrev = !setrev;
+ break;
+ case 'I':
+ if (setinact || unsetinact)
+ fatal("-I specified more than once");
+
+ changed = true;
+ inact = 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");
+
+ changed = true;
+ 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");
+
+ changed = true;
+ del = 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 '?':
+ 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);
+ }
+ }
+
+ if (argc < isc_commandline_index + 1 ||
+ argv[isc_commandline_index] == NULL)
+ fatal("The key file name was not specified");
+ if (argc > isc_commandline_index + 1)
+ fatal("Extraneous arguments");
+
+ if (ectx == NULL)
+ setup_entropy(mctx, NULL, &ectx);
+ result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
+ if (result != ISC_R_SUCCESS)
+ fatal("Could not initialize hash");
+ result = dst_lib_init2(mctx, ectx, engine,
+ ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
+ if (result != ISC_R_SUCCESS)
+ fatal("Could not initialize dst: %s",
+ isc_result_totext(result));
+ isc_entropy_stopcallbacksources(ectx);
+
+ if (predecessor != NULL) {
+ int major, minor;
+
+ if (prepub == -1)
+ prepub = (30 * 86400);
+
+ if (setpub || unsetpub)
+ fatal("-S and -P cannot be used together");
+ if (setact || unsetact)
+ fatal("-S and -A cannot be used together");
+
+ result = dst_key_fromnamedfile(predecessor, directory,
+ DST_TYPE_PUBLIC |
+ DST_TYPE_PRIVATE,
+ mctx, &prevkey);
+ if (result != ISC_R_SUCCESS)
+ fatal("Invalid keyfile %s: %s",
+ filename, isc_result_totext(result));
+ if (!dst_key_isprivate(prevkey) && !dst_key_isexternal(prevkey))
+ fatal("%s is not a private key", filename);
+
+ name = dst_key_name(prevkey);
+ alg = dst_key_alg(prevkey);
+ size = dst_key_size(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("Predecessor has incompatible format "
+ "version %d.%d\n\t", major, minor);
+
+ result = dst_key_gettime(prevkey, DST_TIME_ACTIVATE, &prevact);
+ if (result != ISC_R_SUCCESS)
+ fatal("Predecessor has no activation date. "
+ "You must set one before\n\t"
+ "generating a successor.");
+
+ result = dst_key_gettime(prevkey, DST_TIME_INACTIVE,
+ &previnact);
+ if (result != ISC_R_SUCCESS)
+ fatal("Predecessor has no inactivation date. "
+ "You must set one before\n\t"
+ "generating a successor.");
+
+ pub = previnact - prepub;
+ act = previnact;
+
+ if ((previnact - prepub) < now && prepub != 0)
+ fatal("Time until predecessor inactivation is\n\t"
+ "shorter than the prepublication interval. "
+ "Either change\n\t"
+ "predecessor inactivation date, or use the -i "
+ "option to set\n\t"
+ "a shorter prepublication interval.");
+
+ result = dst_key_gettime(prevkey, DST_TIME_DELETE, &prevdel);
+ if (result != ISC_R_SUCCESS)
+ fprintf(stderr, "%s: warning: Predecessor has no "
+ "removal date;\n\t"
+ "it will remain in the zone "
+ "indefinitely after rollover.\n",
+ program);
+ else if (prevdel < previnact)
+ fprintf(stderr, "%s: warning: Predecessor is "
+ "scheduled to be deleted\n\t"
+ "before it is scheduled to be "
+ "inactive.\n", program);
+
+ changed = setpub = setact = true;
+ } else {
+ if (prepub < 0)
+ prepub = 0;
+
+ if (prepub > 0) {
+ if (setpub && setact && (act - prepub) < pub)
+ fatal("Activation and publication dates "
+ "are closer together than the\n\t"
+ "prepublication interval.");
+
+ if (setpub && !setact) {
+ setact = true;
+ act = pub + prepub;
+ } else if (setact && !setpub) {
+ setpub = true;
+ pub = act - prepub;
+ }
+
+ if ((act - prepub) < now)
+ fatal("Time until activation is shorter "
+ "than the\n\tprepublication interval.");
+ }
+ }
+
+ if (directory != NULL) {
+ filename = argv[isc_commandline_index];
+ } else {
+ result = isc_file_splitpath(mctx, argv[isc_commandline_index],
+ &directory, &filename);
+ if (result != ISC_R_SUCCESS)
+ fatal("cannot process filename %s: %s",
+ argv[isc_commandline_index],
+ isc_result_totext(result));
+ }
+
+ result = dst_key_fromnamedfile(filename, directory,
+ DST_TYPE_PUBLIC | DST_TYPE_PRIVATE,
+ mctx, &key);
+ if (result != ISC_R_SUCCESS)
+ fatal("Invalid keyfile %s: %s",
+ filename, isc_result_totext(result));
+
+ if (!dst_key_isprivate(key) && !dst_key_isexternal(key))
+ fatal("%s is not a private key", filename);
+
+ dst_key_format(key, keystr, sizeof(keystr));
+
+ if (predecessor != NULL) {
+ if (!dns_name_equal(name, dst_key_name(key)))
+ fatal("Key name mismatch");
+ if (alg != dst_key_alg(key))
+ fatal("Key algorithm mismatch");
+ if (size != dst_key_size(key))
+ fatal("Key size mismatch");
+ if (flags != dst_key_flags(key))
+ fatal("Key flags mismatch");
+ }
+
+ prevdel = previnact = 0;
+ if ((setdel && setinact && del < inact) ||
+ (dst_key_gettime(key, DST_TIME_INACTIVE,
+ &previnact) == ISC_R_SUCCESS &&
+ setdel && !setinact && !unsetinact && del < previnact) ||
+ (dst_key_gettime(key, DST_TIME_DELETE,
+ &prevdel) == ISC_R_SUCCESS &&
+ setinact && !setdel && !unsetdel && prevdel < inact) ||
+ (!setdel && !unsetdel && !setinact && !unsetinact &&
+ prevdel != 0 && prevdel < previnact))
+ fprintf(stderr, "%s: warning: Key is scheduled to "
+ "be deleted before it is\n\t"
+ "scheduled to be inactive.\n",
+ program);
+
+ if (force)
+ set_keyversion(key);
+ else
+ check_keyversion(key, keystr);
+
+ if (verbose > 2)
+ fprintf(stderr, "%s: %s\n", program, keystr);
+
+ /*
+ * Set time values.
+ */
+ if (setpub)
+ dst_key_settime(key, DST_TIME_PUBLISH, pub);
+ else if (unsetpub)
+ dst_key_unsettime(key, DST_TIME_PUBLISH);
+
+ if (setact)
+ dst_key_settime(key, DST_TIME_ACTIVATE, act);
+ else if (unsetact)
+ dst_key_unsettime(key, DST_TIME_ACTIVATE);
+
+ if (setrev) {
+ if ((dst_key_flags(key) & DNS_KEYFLAG_REVOKE) != 0)
+ fprintf(stderr, "%s: warning: Key %s is already "
+ "revoked; changing the revocation date "
+ "will not affect this.\n",
+ program, keystr);
+ if ((dst_key_flags(key) & DNS_KEYFLAG_KSK) == 0)
+ fprintf(stderr, "%s: warning: Key %s is not flagged as "
+ "a KSK, but -R was used. Revoking a "
+ "ZSK is legal, but undefined.\n",
+ program, keystr);
+ dst_key_settime(key, DST_TIME_REVOKE, rev);
+ } else if (unsetrev) {
+ if ((dst_key_flags(key) & DNS_KEYFLAG_REVOKE) != 0)
+ fprintf(stderr, "%s: warning: Key %s is already "
+ "revoked; removing the revocation date "
+ "will not affect this.\n",
+ program, keystr);
+ dst_key_unsettime(key, DST_TIME_REVOKE);
+ }
+
+ if (setinact)
+ dst_key_settime(key, DST_TIME_INACTIVE, inact);
+ else if (unsetinact)
+ dst_key_unsettime(key, DST_TIME_INACTIVE);
+
+ if (setdel)
+ dst_key_settime(key, DST_TIME_DELETE, del);
+ else if (unsetdel)
+ dst_key_unsettime(key, DST_TIME_DELETE);
+
+ if (setsyncadd)
+ dst_key_settime(key, DST_TIME_SYNCPUBLISH, syncadd);
+ else if (unsetsyncadd)
+ dst_key_unsettime(key, DST_TIME_SYNCPUBLISH);
+
+ if (setsyncdel)
+ dst_key_settime(key, DST_TIME_SYNCDELETE, syncdel);
+ else if (unsetsyncdel)
+ dst_key_unsettime(key, DST_TIME_SYNCDELETE);
+
+ if (setttl)
+ dst_key_setttl(key, ttl);
+
+ /*
+ * No metadata changes were made but we're forcing an upgrade
+ * to the new format anyway: use "-P now -A now" as the default
+ */
+ if (force && !changed) {
+ dst_key_settime(key, DST_TIME_PUBLISH, now);
+ dst_key_settime(key, DST_TIME_ACTIVATE, now);
+ changed = true;
+ }
+
+ if (!changed && setttl)
+ changed = true;
+
+ /*
+ * Print out time values, if -p was used.
+ */
+ if (printcreate)
+ printtime(key, DST_TIME_CREATED, "Created", epoch, stdout);
+
+ if (printpub)
+ printtime(key, DST_TIME_PUBLISH, "Publish", epoch, stdout);
+
+ if (printact)
+ printtime(key, DST_TIME_ACTIVATE, "Activate", epoch, stdout);
+
+ if (printrev)
+ printtime(key, DST_TIME_REVOKE, "Revoke", epoch, stdout);
+
+ if (printinact)
+ printtime(key, DST_TIME_INACTIVE, "Inactive", epoch, stdout);
+
+ if (printdel)
+ printtime(key, DST_TIME_DELETE, "Delete", epoch, stdout);
+
+ if (printsyncadd)
+ printtime(key, DST_TIME_SYNCPUBLISH, "SYNC Publish",
+ epoch, stdout);
+
+ if (printsyncdel)
+ printtime(key, DST_TIME_SYNCDELETE, "SYNC Delete",
+ epoch, stdout);
+
+ if (changed) {
+ isc_buffer_init(&buf, newname, sizeof(newname));
+ result = dst_key_buildfilename(key, DST_TYPE_PUBLIC, directory,
+ &buf);
+ if (result != ISC_R_SUCCESS) {
+ fatal("Failed to build public key filename: %s",
+ isc_result_totext(result));
+ }
+
+ result = dst_key_tofile(key, DST_TYPE_PUBLIC|DST_TYPE_PRIVATE,
+ directory);
+ if (result != ISC_R_SUCCESS) {
+ dst_key_format(key, keystr, sizeof(keystr));
+ fatal("Failed to write key %s: %s", keystr,
+ isc_result_totext(result));
+ }
+
+ printf("%s\n", newname);
+
+ isc_buffer_clear(&buf);
+ result = dst_key_buildfilename(key, DST_TYPE_PRIVATE, directory,
+ &buf);
+ if (result != ISC_R_SUCCESS) {
+ fatal("Failed to build private key filename: %s",
+ isc_result_totext(result));
+ }
+ printf("%s\n", newname);
+ }
+
+ if (prevkey != NULL)
+ dst_key_free(&prevkey);
+ dst_key_free(&key);
+ dst_lib_destroy();
+ isc_hash_destroy();
+ cleanup_entropy(&ectx);
+ if (verbose > 10)
+ isc_mem_stats(mctx, stdout);
+ cleanup_logging(&log);
+ isc_mem_free(mctx, directory);
+ isc_mem_destroy(&mctx);
+
+ return (0);
+}
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