diff options
Diffstat (limited to 'contrib/bind9/bin/dnssec/dnssec-keygen.c')
-rw-r--r-- | contrib/bind9/bin/dnssec/dnssec-keygen.c | 1054 |
1 files changed, 0 insertions, 1054 deletions
diff --git a/contrib/bind9/bin/dnssec/dnssec-keygen.c b/contrib/bind9/bin/dnssec/dnssec-keygen.c deleted file mode 100644 index 1e61ca392e86..000000000000 --- a/contrib/bind9/bin/dnssec/dnssec-keygen.c +++ /dev/null @@ -1,1054 +0,0 @@ -/* - * Portions Copyright (C) 2004-2013 Internet Systems Consortium, Inc. ("ISC") - * Portions Copyright (C) 1999-2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS - * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE - * FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR - * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Portions Copyright (C) 1995-2000 by Network Associates, Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS - * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE - * FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR - * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: dnssec-keygen.c,v 1.120 2011/11/30 00:48:51 marka Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <ctype.h> -#include <stdlib.h> -#include <unistd.h> - -#include <isc/buffer.h> -#include <isc/commandline.h> -#include <isc/entropy.h> -#include <isc/mem.h> -#include <isc/region.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/result.h> -#include <dns/secalg.h> - -#include <dst/dst.h> - -#include "dnssectool.h" - -#define MAX_RSA 4096 /* should be long enough... */ - -const char *program = "dnssec-keygen"; -int verbose; - -#define DEFAULT_ALGORITHM "RSASHA1" -#define DEFAULT_NSEC3_ALGORITHM "NSEC3RSASHA1" - -ISC_PLATFORM_NORETURN_PRE static void -usage(void) ISC_PLATFORM_NORETURN_POST; - -static void progress(int p); - -static void -usage(void) { - fprintf(stderr, "Usage:\n"); - fprintf(stderr, " %s [options] name\n\n", program); - fprintf(stderr, "Version: %s\n", VERSION); - fprintf(stderr, " name: owner of the key\n"); - fprintf(stderr, "Options:\n"); - fprintf(stderr, " -K <directory>: write keys into directory\n"); - fprintf(stderr, " -a <algorithm>:\n"); - fprintf(stderr, " RSA | RSAMD5 | DSA | RSASHA1 | NSEC3RSASHA1" - " | NSEC3DSA |\n"); - fprintf(stderr, " RSASHA256 | RSASHA512 | ECCGOST |\n"); - fprintf(stderr, " ECDSAP256SHA256 | ECDSAP384SHA384 |\n"); - fprintf(stderr, " DH | HMAC-MD5 | HMAC-SHA1 | HMAC-SHA224 | " - "HMAC-SHA256 | \n"); - fprintf(stderr, " HMAC-SHA384 | HMAC-SHA512\n"); - fprintf(stderr, " (default: RSASHA1, or " - "NSEC3RSASHA1 if using -3)\n"); - fprintf(stderr, " -3: use NSEC3-capable algorithm\n"); - fprintf(stderr, " -b <key size in bits>:\n"); - fprintf(stderr, " RSAMD5:\t[512..%d]\n", MAX_RSA); - fprintf(stderr, " RSASHA1:\t[512..%d]\n", MAX_RSA); - fprintf(stderr, " NSEC3RSASHA1:\t[512..%d]\n", MAX_RSA); - fprintf(stderr, " RSASHA256:\t[512..%d]\n", MAX_RSA); - fprintf(stderr, " RSASHA512:\t[1024..%d]\n", MAX_RSA); - fprintf(stderr, " DH:\t\t[128..4096]\n"); - fprintf(stderr, " DSA:\t\t[512..1024] and divisible by 64\n"); - fprintf(stderr, " NSEC3DSA:\t[512..1024] and divisible " - "by 64\n"); - fprintf(stderr, " ECCGOST:\tignored\n"); - fprintf(stderr, " ECDSAP256SHA256:\tignored\n"); - fprintf(stderr, " ECDSAP384SHA384:\tignored\n"); - fprintf(stderr, " HMAC-MD5:\t[1..512]\n"); - fprintf(stderr, " HMAC-SHA1:\t[1..160]\n"); - fprintf(stderr, " HMAC-SHA224:\t[1..224]\n"); - fprintf(stderr, " HMAC-SHA256:\t[1..256]\n"); - fprintf(stderr, " HMAC-SHA384:\t[1..384]\n"); - fprintf(stderr, " HMAC-SHA512:\t[1..512]\n"); - fprintf(stderr, " (if using the default algorithm, key size\n" - " defaults to 2048 for KSK, or 1024 for all " - "others)\n"); - fprintf(stderr, " -n <nametype>: ZONE | HOST | ENTITY | " - "USER | OTHER\n"); - fprintf(stderr, " (DNSKEY generation defaults to ZONE)\n"); - fprintf(stderr, " -c <class>: (default: IN)\n"); - fprintf(stderr, " -d <digest bits> (0 => max, default)\n"); -#ifdef USE_PKCS11 - fprintf(stderr, " -E <engine name> (default \"pkcs11\")\n"); -#else - fprintf(stderr, " -E <engine name>\n"); -#endif - fprintf(stderr, " -f <keyflag>: KSK | REVOKE\n"); - fprintf(stderr, " -g <generator>: use specified generator " - "(DH only)\n"); - fprintf(stderr, " -L <ttl>: default key TTL\n"); - fprintf(stderr, " -p <protocol>: (default: 3 [dnssec])\n"); - fprintf(stderr, " -r <randomdev>: a file containing random data\n"); - fprintf(stderr, " -s <strength>: strength value this key signs DNS " - "records with (default: 0)\n"); - fprintf(stderr, " -T <rrtype>: DNSKEY | KEY (default: DNSKEY; " - "use KEY for SIG(0))\n"); - fprintf(stderr, " ECCGOST:\tignored\n"); - fprintf(stderr, " -t <type>: " - "AUTHCONF | NOAUTHCONF | NOAUTH | NOCONF " - "(default: AUTHCONF)\n"); - fprintf(stderr, " -h: print usage and exit\n"); - fprintf(stderr, " -m <memory debugging mode>:\n"); - fprintf(stderr, " usage | trace | record | size | mctx\n"); - fprintf(stderr, " -v <level>: set verbosity level (0 - 10)\n"); - fprintf(stderr, "Timing options:\n"); - fprintf(stderr, " -P date/[+-]offset/none: set key publication date " - "(default: now)\n"); - fprintf(stderr, " -A date/[+-]offset/none: set key activation date " - "(default: now)\n"); - fprintf(stderr, " -R date/[+-]offset/none: set key " - "revocation date\n"); - fprintf(stderr, " -I date/[+-]offset/none: set key " - "inactivation date\n"); - fprintf(stderr, " -D date/[+-]offset/none: set key 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); -} - -static isc_boolean_t -dsa_size_ok(int size) { - return (ISC_TF(size >= 512 && size <= 1024 && size % 64 == 0)); -} - -static void -progress(int p) -{ - char c = '*'; - - switch (p) { - case 0: - c = '.'; - break; - case 1: - c = '+'; - break; - case 2: - c = '*'; - break; - case 3: - c = ' '; - break; - default: - break; - } - (void) putc(c, stderr); - (void) fflush(stderr); -} - -int -main(int argc, char **argv) { - char *algname = NULL, *freeit = NULL; - char *nametype = NULL, *type = NULL; - char *classname = NULL; - char *endp; - dst_key_t *key = NULL; - dns_fixedname_t fname; - dns_name_t *name; - isc_uint16_t flags = 0, kskflag = 0, revflag = 0; - dns_secalg_t alg; - isc_boolean_t conflict = ISC_FALSE, null_key = ISC_FALSE; - isc_boolean_t oldstyle = ISC_FALSE; - isc_mem_t *mctx = NULL; - int ch, generator = 0, param = 0; - int protocol = -1, size = -1, signatory = 0; - isc_result_t ret; - isc_textregion_t r; - char filename[255]; - const char *directory = NULL; - const char *predecessor = NULL; - dst_key_t *prevkey = NULL; - isc_buffer_t buf; - isc_log_t *log = NULL; - isc_entropy_t *ectx = NULL; -#ifdef USE_PKCS11 - const char *engine = "pkcs11"; -#else - const char *engine = NULL; -#endif - dns_rdataclass_t rdclass; - int options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC; - int dbits = 0; - dns_ttl_t ttl = 0; - isc_boolean_t use_default = ISC_FALSE, use_nsec3 = ISC_FALSE; - isc_stdtime_t publish = 0, activate = 0, revoke = 0; - isc_stdtime_t inactive = 0, delete = 0; - isc_stdtime_t now; - int prepub = -1; - isc_boolean_t setpub = ISC_FALSE, setact = ISC_FALSE; - isc_boolean_t setrev = ISC_FALSE, setinact = ISC_FALSE; - isc_boolean_t setdel = ISC_FALSE, setttl = ISC_FALSE; - isc_boolean_t unsetpub = ISC_FALSE, unsetact = ISC_FALSE; - isc_boolean_t unsetrev = ISC_FALSE, unsetinact = ISC_FALSE; - isc_boolean_t unsetdel = ISC_FALSE; - isc_boolean_t genonly = ISC_FALSE; - isc_boolean_t quiet = ISC_FALSE; - isc_boolean_t show_progress = ISC_FALSE; - unsigned char c; - - if (argc == 1) - usage(); - - dns_result_register(); - - isc_commandline_errprint = ISC_FALSE; - - /* - * Process memory debugging argument first. - */ -#define CMDLINE_FLAGS "3A:a:b:Cc:D:d:E:eFf:Gg:hI:i:K:kL:m:n:P:p:qR:r:S:s:T:t:v:" - while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) { - switch (ch) { - case 'm': - if (strcasecmp(isc_commandline_argument, "record") == 0) - isc_mem_debugging |= ISC_MEM_DEBUGRECORD; - if (strcasecmp(isc_commandline_argument, "trace") == 0) - isc_mem_debugging |= ISC_MEM_DEBUGTRACE; - if (strcasecmp(isc_commandline_argument, "usage") == 0) - isc_mem_debugging |= ISC_MEM_DEBUGUSAGE; - if (strcasecmp(isc_commandline_argument, "size") == 0) - isc_mem_debugging |= ISC_MEM_DEBUGSIZE; - if (strcasecmp(isc_commandline_argument, "mctx") == 0) - isc_mem_debugging |= ISC_MEM_DEBUGCTX; - break; - default: - break; - } - } - isc_commandline_reset = ISC_TRUE; - - RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS); - - isc_stdtime_get(&now); - - while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) { - switch (ch) { - case '3': - use_nsec3 = ISC_TRUE; - break; - case 'a': - algname = isc_commandline_argument; - break; - case 'b': - size = strtol(isc_commandline_argument, &endp, 10); - if (*endp != '\0' || size < 0) - fatal("-b requires a non-negative number"); - break; - case 'C': - oldstyle = ISC_TRUE; - break; - case 'c': - classname = isc_commandline_argument; - break; - case 'd': - dbits = strtol(isc_commandline_argument, &endp, 10); - if (*endp != '\0' || dbits < 0) - fatal("-d requires a non-negative number"); - break; - case 'E': - engine = isc_commandline_argument; - break; - case 'e': - fprintf(stderr, - "phased-out option -e " - "(was 'use (RSA) large exponent)\n"); - 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 'g': - generator = strtol(isc_commandline_argument, - &endp, 10); - if (*endp != '\0' || generator <= 0) - fatal("-g requires a positive number"); - 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': - fatal("The -k option has been deprecated.\n" - "To generate a key-signing key, use -f KSK.\n" - "To generate a key with TYPE=KEY, use -T KEY.\n"); - break; - case 'L': - if (strcmp(isc_commandline_argument, "none") == 0) - ttl = 0; - else - ttl = strtottl(isc_commandline_argument); - setttl = ISC_TRUE; - break; - case 'n': - nametype = isc_commandline_argument; - break; - case 'm': - 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 'q': - quiet = ISC_TRUE; - break; - case 'r': - setup_entropy(mctx, isc_commandline_argument, &ectx); - break; - case 's': - signatory = strtol(isc_commandline_argument, - &endp, 10); - if (*endp != '\0' || signatory < 0 || signatory > 15) - fatal("-s must be followed by a number " - "[0..15]"); - break; - case 'T': - if (strcasecmp(isc_commandline_argument, "KEY") == 0) - options |= DST_TYPE_KEY; - else if (strcasecmp(isc_commandline_argument, - "DNSKEY") == 0) - /* default behavior */ - ; - else - fatal("unknown type '%s'", - isc_commandline_argument); - break; - case 't': - type = isc_commandline_argument; - break; - case 'v': - endp = NULL; - verbose = strtol(isc_commandline_argument, &endp, 0); - if (*endp != '\0') - fatal("-v must be followed by a number"); - break; - case 'z': - /* already the default */ - break; - case 'G': - genonly = ISC_TRUE; - break; - case 'P': - if (setpub || unsetpub) - fatal("-P specified more than once"); - - if (strcasecmp(isc_commandline_argument, "none")) { - setpub = ISC_TRUE; - publish = strtotime(isc_commandline_argument, - now, now); - } else { - unsetpub = ISC_TRUE; - } - break; - case 'A': - if (setact || unsetact) - fatal("-A specified more than once"); - - if (strcasecmp(isc_commandline_argument, "none")) { - setact = ISC_TRUE; - activate = strtotime(isc_commandline_argument, - now, now); - } else { - unsetact = ISC_TRUE; - } - break; - case 'R': - if (setrev || unsetrev) - fatal("-R specified more than once"); - - if (strcasecmp(isc_commandline_argument, "none")) { - setrev = ISC_TRUE; - revoke = strtotime(isc_commandline_argument, - now, now); - } else { - unsetrev = ISC_TRUE; - } - break; - case 'I': - if (setinact || unsetinact) - fatal("-I specified more than once"); - - if (strcasecmp(isc_commandline_argument, "none")) { - setinact = ISC_TRUE; - inactive = strtotime(isc_commandline_argument, - now, now); - } else { - unsetinact = ISC_TRUE; - } - break; - case 'D': - if (setdel || unsetdel) - fatal("-D specified more than once"); - - if (strcasecmp(isc_commandline_argument, "none")) { - setdel = ISC_TRUE; - delete = strtotime(isc_commandline_argument, - now, now); - } else { - unsetdel = ISC_TRUE; - } - 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': - usage(); - - default: - fprintf(stderr, "%s: unhandled option -%c\n", - program, isc_commandline_option); - exit(1); - } - } - - if (!isatty(0)) - quiet = ISC_TRUE; - - if (ectx == NULL) - setup_entropy(mctx, NULL, &ectx); - ret = dst_lib_init2(mctx, ectx, engine, - ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); - if (ret != ISC_R_SUCCESS) - fatal("could not initialize dst: %s", - isc_result_totext(ret)); - - setup_logging(verbose, mctx, &log); - - if (predecessor == NULL) { - if (prepub == -1) - prepub = 0; - - if (argc < isc_commandline_index + 1) - fatal("the key name was not specified"); - if (argc > isc_commandline_index + 1) - fatal("extraneous arguments"); - - dns_fixedname_init(&fname); - name = dns_fixedname_name(&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 (algname == NULL) { - use_default = ISC_TRUE; - if (use_nsec3) - algname = strdup(DEFAULT_NSEC3_ALGORITHM); - else - algname = strdup(DEFAULT_ALGORITHM); - if (algname == NULL) - fatal("strdup failed"); - freeit = algname; - if (verbose > 0) - fprintf(stderr, "no algorithm specified; " - "defaulting to %s\n", algname); - } - - if (strcasecmp(algname, "RSA") == 0) { - fprintf(stderr, "The use of RSA (RSAMD5) is not " - "recommended.\nIf you still wish to " - "use RSA (RSAMD5) please specify " - "\"-a RSAMD5\"\n"); - INSIST(freeit == NULL); - return (1); - } else if (strcasecmp(algname, "HMAC-MD5") == 0) - alg = DST_ALG_HMACMD5; - else if (strcasecmp(algname, "HMAC-SHA1") == 0) - alg = DST_ALG_HMACSHA1; - else if (strcasecmp(algname, "HMAC-SHA224") == 0) - alg = DST_ALG_HMACSHA224; - else if (strcasecmp(algname, "HMAC-SHA256") == 0) - alg = DST_ALG_HMACSHA256; - else if (strcasecmp(algname, "HMAC-SHA384") == 0) - alg = DST_ALG_HMACSHA384; - else if (strcasecmp(algname, "HMAC-SHA512") == 0) - alg = DST_ALG_HMACSHA512; - else { - 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 && - alg != DST_ALG_NSEC3DSA && alg != DST_ALG_NSEC3RSASHA1 && - alg != DST_ALG_RSASHA256 && alg!= DST_ALG_RSASHA512 && - alg != DST_ALG_ECCGOST && - alg != DST_ALG_ECDSA256 && alg != DST_ALG_ECDSA384) { - 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); - if (size < 0) - size = 0; - } - else if (strcasecmp(type, "AUTHCONF") == 0) - /* nothing */; - else - fatal("invalid type %s", type); - } - - if (size < 0) { - if (use_default) { - if ((kskflag & DNS_KEYFLAG_KSK) != 0) - size = 2048; - else - size = 1024; - if (verbose > 0) - fprintf(stderr, "key size not " - "specified; defaulting" - " to %d\n", size); - } else if (alg != DST_ALG_ECCGOST && - alg != DST_ALG_ECDSA256 && - alg != DST_ALG_ECDSA384) - fatal("key size not specified (-b option)"); - } - - 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 = ISC_TRUE; - publish = now; - activate = now + prepub; - } else if (setpub && !setact) { - setact = ISC_TRUE; - activate = publish + prepub; - } else if (setact && !setpub) { - setpub = ISC_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 (size >= 0) - fatal("-S and -b 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", - filename, isc_result_totext(ret)); - if (!dst_key_isprivate(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("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 = ISC_TRUE; - } - - switch (alg) { - case DNS_KEYALG_RSAMD5: - case DNS_KEYALG_RSASHA1: - case DNS_KEYALG_NSEC3RSASHA1: - case DNS_KEYALG_RSASHA256: - if (size != 0 && (size < 512 || size > MAX_RSA)) - fatal("RSA key size %d out of range", size); - break; - case DNS_KEYALG_RSASHA512: - if (size != 0 && (size < 1024 || size > MAX_RSA)) - fatal("RSA key size %d out of range", size); - break; - case DNS_KEYALG_DH: - if (size != 0 && (size < 128 || size > 4096)) - fatal("DH key size %d out of range", size); - break; - case DNS_KEYALG_DSA: - case DNS_KEYALG_NSEC3DSA: - if (size != 0 && !dsa_size_ok(size)) - fatal("invalid DSS key size: %d", size); - break; - case DST_ALG_ECCGOST: - case DST_ALG_ECDSA256: - case DST_ALG_ECDSA384: - break; - case DST_ALG_HMACMD5: - options |= DST_TYPE_KEY; - if (size < 1 || size > 512) - fatal("HMAC-MD5 key size %d out of range", size); - if (dbits != 0 && (dbits < 80 || dbits > 128)) - fatal("HMAC-MD5 digest bits %d out of range", dbits); - if ((dbits % 8) != 0) - fatal("HMAC-MD5 digest bits %d not divisible by 8", - dbits); - break; - case DST_ALG_HMACSHA1: - options |= DST_TYPE_KEY; - if (size < 1 || size > 160) - fatal("HMAC-SHA1 key size %d out of range", size); - if (dbits != 0 && (dbits < 80 || dbits > 160)) - fatal("HMAC-SHA1 digest bits %d out of range", dbits); - if ((dbits % 8) != 0) - fatal("HMAC-SHA1 digest bits %d not divisible by 8", - dbits); - break; - case DST_ALG_HMACSHA224: - options |= DST_TYPE_KEY; - if (size < 1 || size > 224) - fatal("HMAC-SHA224 key size %d out of range", size); - if (dbits != 0 && (dbits < 112 || dbits > 224)) - fatal("HMAC-SHA224 digest bits %d out of range", dbits); - if ((dbits % 8) != 0) - fatal("HMAC-SHA224 digest bits %d not divisible by 8", - dbits); - break; - case DST_ALG_HMACSHA256: - options |= DST_TYPE_KEY; - if (size < 1 || size > 256) - fatal("HMAC-SHA256 key size %d out of range", size); - if (dbits != 0 && (dbits < 128 || dbits > 256)) - fatal("HMAC-SHA256 digest bits %d out of range", dbits); - if ((dbits % 8) != 0) - fatal("HMAC-SHA256 digest bits %d not divisible by 8", - dbits); - break; - case DST_ALG_HMACSHA384: - options |= DST_TYPE_KEY; - if (size < 1 || size > 384) - fatal("HMAC-384 key size %d out of range", size); - if (dbits != 0 && (dbits < 192 || dbits > 384)) - fatal("HMAC-SHA384 digest bits %d out of range", dbits); - if ((dbits % 8) != 0) - fatal("HMAC-SHA384 digest bits %d not divisible by 8", - dbits); - break; - case DST_ALG_HMACSHA512: - options |= DST_TYPE_KEY; - if (size < 1 || size > 512) - fatal("HMAC-SHA512 key size %d out of range", size); - if (dbits != 0 && (dbits < 256 || dbits > 512)) - fatal("HMAC-SHA512 digest bits %d out of range", dbits); - if ((dbits % 8) != 0) - fatal("HMAC-SHA512 digest bits %d not divisible by 8", - dbits); - break; - } - - if (alg != DNS_KEYALG_DH && generator != 0) - fatal("specified DH generator for a non-DH key"); - - if (nametype == NULL) { - if ((options & DST_TYPE_KEY) != 0) /* KEY / HMAC */ - 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 / HMAC */ - 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 / HMAC */ - 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 (size > 0) - fatal("specified null key with non-zero size"); - 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 || alg == DST_ALG_HMACMD5 || - alg == DST_ALG_HMACSHA1 || alg == DST_ALG_HMACSHA224 || - alg == DST_ALG_HMACSHA256 || alg == DST_ALG_HMACSHA384 || - alg == DST_ALG_HMACSHA512)) - fatal("a key with algorithm '%s' cannot be a zone key", - algname); - - switch(alg) { - case DNS_KEYALG_RSAMD5: - case DNS_KEYALG_RSASHA1: - case DNS_KEYALG_NSEC3RSASHA1: - case DNS_KEYALG_RSASHA256: - case DNS_KEYALG_RSASHA512: - show_progress = ISC_TRUE; - break; - - case DNS_KEYALG_DH: - param = generator; - break; - - case DNS_KEYALG_DSA: - case DNS_KEYALG_NSEC3DSA: - case DST_ALG_ECCGOST: - case DST_ALG_ECDSA256: - case DST_ALG_ECDSA384: - show_progress = ISC_TRUE; - /* fall through */ - - case DST_ALG_HMACMD5: - case DST_ALG_HMACSHA1: - case DST_ALG_HMACSHA224: - case DST_ALG_HMACSHA256: - case DST_ALG_HMACSHA384: - case DST_ALG_HMACSHA512: - param = 0; - break; - } - - if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY) - null_key = ISC_TRUE; - - isc_buffer_init(&buf, filename, sizeof(filename) - 1); - - do { - conflict = ISC_FALSE; - - if (!quiet && show_progress) { - fprintf(stderr, "Generating key pair."); - ret = dst_key_generate2(name, alg, size, param, flags, - protocol, rdclass, mctx, &key, - &progress); - putc('\n', stderr); - fflush(stderr); - } else { - ret = dst_key_generate2(name, alg, size, param, flags, - protocol, rdclass, mctx, &key, - NULL); - } - - isc_entropy_stopcallbacksources(ectx); - - 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 generate key %s/%s: %s\n", - namestr, algstr, isc_result_totext(ret)); - /* NOTREACHED */ - exit(-1); - } - - dst_key_setbits(key, dbits); - - /* - * Set key timing metadata (unless using -C) - * - * Creation date is always set to "now". - * - * For a new key without an explicit predecessor, publish - * and activation dates are set to "now" by default, but - * can both be overridden. - * - * For a successor key, activation is set to match the - * predecessor's inactivation date. Publish is set to 30 - * days earlier than that (XXX: this should be configurable). - * If either of the resulting dates are in the past, that's - * an error; the inactivation date of the predecessor key - * must be updated before a successor key can be created. - */ - 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) { - if (setinact && delete < inactive) - fprintf(stderr, "%s: warning: Key is " - "scheduled to be deleted " - "before it is scheduled to be " - "made inactive.\n", - program); - dst_key_settime(key, DST_TIME_DELETE, delete); - } - } else { - if (setpub || setact || setrev || setinact || - setdel || unsetpub || unsetact || - unsetrev || unsetinact || unsetdel || genonly) - 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 the default key TTL */ - if (setttl) - dst_key_setttl(key, ttl); - - /* - * Do not overwrite an existing key, or create a key - * if there is a risk of ID collision due to this key - * or another key being revoked. - */ - if (key_collision(key, name, directory, mctx, NULL)) { - conflict = ISC_TRUE; - if (null_key) { - dst_key_free(&key); - break; - } - - if (verbose > 0) { - isc_buffer_clear(&buf); - ret = dst_key_buildfilename(key, 0, - directory, &buf); - if (ret == ISC_R_SUCCESS) - fprintf(stderr, - "%s: %s already exists, or " - "might collide with another " - "key upon revokation. " - "Generating a new key\n", - program, filename); - } - - dst_key_free(&key); - } - } while (conflict == ISC_TRUE); - - if (conflict) - fatal("cannot generate a null key due to possible key ID " - "collision"); - - 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); - cleanup_entropy(&ectx); - dst_lib_destroy(); - dns_name_destroy(); - if (verbose > 10) - isc_mem_stats(mctx, stdout); - isc_mem_destroy(&mctx); - - if (freeit != NULL) - free(freeit); - - return (0); -} |