dnssec-makekeyset.c revision 1f8f904ad612e372bf34d88fce28c59ac5e54574
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer/*
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * Portions Copyright (C) 2000 Internet Software Consortium.
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * Portions Copyright (C) 1995-2000 by Network Associates, Inc.
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer *
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * Permission to use, copy, modify, and distribute this software for any
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * purpose with or without fee is hereby granted, provided that the above
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * copyright notice and this permission notice appear in all copies.
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer *
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM AND
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * NETWORK ASSOCIATES DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE CONSORTIUM OR NETWORK
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * ASSOCIATES BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer * PERFORMANCE OF THIS SOFTWARE.
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer */
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer/* $Id: dnssec-makekeyset.c,v 1.39 2000/09/12 10:07:47 bwelling Exp $ */
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <config.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <stdlib.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <isc/commandline.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <isc/entropy.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <isc/mem.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <isc/string.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <isc/util.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/db.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/dnssec.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/fixedname.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/log.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/rdata.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/rdatalist.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/rdataset.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/result.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/secalg.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dns/time.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include <dst/dst.h>
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#include "dnssectool.h"
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer#define BUFSIZE 2048
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerconst char *program = "dnssec-makekeyset";
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerint verbose;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyertypedef struct keynode keynode_t;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerstruct keynode {
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer dst_key_t *key;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer ISC_LINK(keynode_t) link;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer};
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyertypedef ISC_LIST(keynode_t) keylist_t;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerstatic isc_stdtime_t starttime = 0, endtime = 0, now;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerstatic int ttl = -1;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerstatic isc_mem_t *mctx = NULL;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerstatic isc_entropy_t *ectx = NULL;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerstatic keylist_t keylist;
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerstatic void
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyerusage(void) {
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "Usage:\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t%s [options] keys\n", program);
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "Options: (default value in parenthesis) \n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t-s YYYYMMDDHHMMSS|+offset:\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t\tSIG start time - absolute|offset (now)\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t-e YYYYMMDDHHMMSS|+offset|\"now\"+offset]:\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t\tSIG end time - "
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer "absolute|from start|from now (now + 30 days)\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t-t ttl\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t-p\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t\tuse pseudorandom data (faster but less secure)\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t-r randomdev:\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t\ta file containing random data\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t-v level:\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\t\tverbose level (0)\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "keys:\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer fprintf(stderr, "\tkeyfile (Kname+alg+tag)\n");
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer exit(0);
bd334e0366c0f21bf15de9282b02f1bed4ccde14Michael Sawyer}
int
main(int argc, char *argv[]) {
int i, ch;
char *startstr = NULL, *endstr = NULL;
char *randomfile = NULL;
dns_fixedname_t fdomain;
dns_name_t *domain = NULL;
char *output = NULL;
char *endp;
unsigned char *data;
dns_db_t *db;
dns_dbnode_t *node;
dns_dbversion_t *version;
dst_key_t *key = NULL;
dns_rdata_t *rdata;
dns_rdatalist_t rdatalist, sigrdatalist;
dns_rdataset_t rdataset, sigrdataset;
isc_result_t result;
isc_buffer_t b;
isc_region_t r;
isc_log_t *log = NULL;
keynode_t *keynode;
dns_name_t *savedname = NULL;
unsigned int eflags;
isc_boolean_t pseudorandom = ISC_FALSE;
result = isc_mem_create(0, 0, &mctx);
if (result != ISC_R_SUCCESS)
fatal("failed to create memory context: %s",
isc_result_totext(result));
dns_result_register();
while ((ch = isc_commandline_parse(argc, argv, "s:e:t:r:v:ph")) != -1)
{
switch (ch) {
case 's':
startstr = isc_commandline_argument;
break;
case 'e':
endstr = isc_commandline_argument;
break;
case 't':
endp = NULL;
ttl = strtol(isc_commandline_argument, &endp, 0);
if (*endp != '\0')
fatal("TTL must be numeric");
break;
case 'r':
randomfile = isc_mem_strdup(mctx,
isc_commandline_argument);
if (randomfile == NULL)
fatal("out of memory");
break;
case 'v':
endp = NULL;
verbose = strtol(isc_commandline_argument, &endp, 0);
if (*endp != '\0')
fatal("verbose level must be numeric");
break;
case 'p':
pseudorandom = ISC_TRUE;
break;
case 'h':
default:
usage();
}
}
argc -= isc_commandline_index;
argv += isc_commandline_index;
if (argc < 1)
usage();
setup_entropy(mctx, randomfile, &ectx);
if (randomfile != NULL)
isc_mem_free(mctx, randomfile);
eflags = ISC_ENTROPY_BLOCKING;
if (!pseudorandom)
eflags |= ISC_ENTROPY_GOODONLY;
result = dst_lib_init(mctx, ectx, eflags);
if (result != ISC_R_SUCCESS)
fatal("could not initialize dst");
isc_stdtime_get(&now);
if (startstr != NULL)
starttime = strtotime(startstr, now, now);
else
starttime = now;
if (endstr != NULL)
endtime = strtotime(endstr, now, starttime);
else
endtime = starttime + (30 * 24 * 60 * 60);
if (ttl == -1) {
ttl = 3600;
fprintf(stderr, "%s: TTL not specified, assuming 3600\n",
program);
}
setup_logging(verbose, mctx, &log);
dns_rdatalist_init(&rdatalist);
rdatalist.rdclass = 0;
rdatalist.type = dns_rdatatype_key;
rdatalist.covers = 0;
rdatalist.ttl = ttl;
ISC_LIST_INIT(keylist);
for (i = 0; i < argc; i++) {
char namestr[DNS_NAME_FORMATSIZE];
isc_buffer_t namebuf;
key = NULL;
result = dst_key_fromnamedfile(argv[i], DST_TYPE_PUBLIC,
mctx, &key);
if (result != ISC_R_SUCCESS)
fatal("error loading key from %s", argv[i]);
if (rdatalist.rdclass == 0)
rdatalist.rdclass = dst_key_class(key);
isc_buffer_init(&namebuf, namestr, sizeof namestr);
result = dns_name_totext(dst_key_name(key), ISC_FALSE,
&namebuf);
check_result(result, "dns_name_totext");
isc_buffer_putuint8(&namebuf, 0);
if (savedname == NULL) {
savedname = isc_mem_get(mctx, sizeof(dns_name_t));
if (savedname == NULL)
fatal("out of memory");
dns_name_init(savedname, NULL);
result = dns_name_dup(dst_key_name(key), mctx,
savedname);
if (result != ISC_R_SUCCESS)
fatal("out of memory");
} else {
char savednamestr[DNS_NAME_FORMATSIZE];
dns_name_format(savedname, savednamestr,
sizeof savednamestr);
if (!dns_name_equal(savedname, dst_key_name(key)) != 0)
fatal("all keys must have the same owner - %s "
"and %s do not match",
savednamestr, namestr);
}
if (output == NULL) {
output = isc_mem_allocate(mctx,
strlen("keyset-") +
strlen(namestr) + 1);
if (output == NULL)
fatal("out of memory");
strcpy(output, "keyset-");
strcat(output, namestr);
}
if (domain == NULL) {
dns_fixedname_init(&fdomain);
domain = dns_fixedname_name(&fdomain);
isc_buffer_init(&b, namestr, strlen(namestr));
isc_buffer_add(&b, strlen(namestr));
result = dns_name_fromtext(domain, &b, dns_rootname,
ISC_FALSE, NULL);
if (result != ISC_R_SUCCESS)
fatal("%s is not a valid name: %s",
namestr, isc_result_totext(result));
}
if (dst_key_iszonekey(key)) {
dst_key_t *zonekey = NULL;
result = dst_key_fromnamedfile(argv[i],
DST_TYPE_PRIVATE,
mctx, &zonekey);
if (result != ISC_R_SUCCESS)
fatal("failed to read private key %s: %s",
argv[i], isc_result_totext(result));
keynode = isc_mem_get(mctx, sizeof (keynode_t));
if (keynode == NULL)
fatal("out of memory");
keynode->key = zonekey;
ISC_LINK_INIT(keynode, link);
ISC_LIST_APPEND(keylist, keynode, link);
}
rdata = isc_mem_get(mctx, sizeof(dns_rdata_t));
if (rdata == NULL)
fatal("out of memory");
data = isc_mem_get(mctx, BUFSIZE);
if (data == NULL)
fatal("out of memory");
isc_buffer_init(&b, data, BUFSIZE);
result = dst_key_todns(key, &b);
if (result != ISC_R_SUCCESS)
fatal("failed to convert key %s to a DNS KEY: %s",
argv[i], isc_result_totext(result));
isc_buffer_usedregion(&b, &r);
dns_rdata_fromregion(rdata, rdatalist.rdclass,
dns_rdatatype_key, &r);
ISC_LIST_APPEND(rdatalist.rdata, rdata, link);
dst_key_free(&key);
}
dns_rdataset_init(&rdataset);
result = dns_rdatalist_tordataset(&rdatalist, &rdataset);
check_result(result, "dns_rdatalist_tordataset()");
dns_rdatalist_init(&sigrdatalist);
sigrdatalist.rdclass = rdatalist.rdclass;
sigrdatalist.type = dns_rdatatype_sig;
sigrdatalist.covers = dns_rdatatype_key;
sigrdatalist.ttl = ttl;
if (ISC_LIST_EMPTY(keylist))
fprintf(stderr,
"%s: no private zone key found; not self-signing\n",
program);
for (keynode = ISC_LIST_HEAD(keylist);
keynode != NULL;
keynode = ISC_LIST_NEXT(keynode, link))
{
rdata = isc_mem_get(mctx, sizeof(dns_rdata_t));
if (rdata == NULL)
fatal("out of memory");
data = isc_mem_get(mctx, BUFSIZE);
if (data == NULL)
fatal("out of memory");
isc_buffer_init(&b, data, BUFSIZE);
result = dns_dnssec_sign(domain, &rdataset, keynode->key,
&starttime, &endtime, mctx, &b,
rdata);
isc_entropy_stopcallbacksources(ectx);
if (result != ISC_R_SUCCESS) {
char keystr[KEY_FORMATSIZE];
key_format(keynode->key, keystr, sizeof keystr);
fatal("failed to sign keyset with key %s: %s",
keystr, isc_result_totext(result));
}
ISC_LIST_APPEND(sigrdatalist.rdata, rdata, link);
dns_rdataset_init(&sigrdataset);
result = dns_rdatalist_tordataset(&sigrdatalist, &sigrdataset);
check_result(result, "dns_rdatalist_tordataset()");
}
db = NULL;
result = dns_db_create(mctx, "rbt", domain, dns_dbtype_zone,
rdataset.rdclass, 0, NULL, &db);
if (result != ISC_R_SUCCESS) {
char domainstr[DNS_NAME_FORMATSIZE];
dns_name_format(domain, domainstr, sizeof domainstr);
fatal("failed to create a database for %s", domainstr);
}
version = NULL;
dns_db_newversion(db, &version);
node = NULL;
result = dns_db_findnode(db, domain, ISC_TRUE, &node);
check_result(result, "dns_db_findnode()");
dns_db_addrdataset(db, node, version, 0, &rdataset, 0, NULL);
if (!ISC_LIST_EMPTY(keylist))
dns_db_addrdataset(db, node, version, 0, &sigrdataset, 0,
NULL);
dns_db_detachnode(db, &node);
dns_db_closeversion(db, &version, ISC_TRUE);
result = dns_db_dump(db, version, output);
if (result != ISC_R_SUCCESS) {
char domainstr[DNS_NAME_FORMATSIZE];
dns_name_format(domain, domainstr, sizeof domainstr);
fatal("failed to write database for %s to %s",
domainstr, output);
}
dns_db_detach(&db);
dns_rdataset_disassociate(&rdataset);
while (!ISC_LIST_EMPTY(rdatalist.rdata)) {
rdata = ISC_LIST_HEAD(rdatalist.rdata);
ISC_LIST_UNLINK(rdatalist.rdata, rdata, link);
isc_mem_put(mctx, rdata->data, BUFSIZE);
isc_mem_put(mctx, rdata, sizeof *rdata);
}
while (!ISC_LIST_EMPTY(sigrdatalist.rdata)) {
rdata = ISC_LIST_HEAD(sigrdatalist.rdata);
ISC_LIST_UNLINK(sigrdatalist.rdata, rdata, link);
isc_mem_put(mctx, rdata->data, BUFSIZE);
isc_mem_put(mctx, rdata, sizeof *rdata);
}
while (!ISC_LIST_EMPTY(keylist)) {
keynode = ISC_LIST_HEAD(keylist);
ISC_LIST_UNLINK(keylist, keynode, link);
dst_key_free(&keynode->key);
isc_mem_put(mctx, keynode, sizeof(keynode_t));
}
if (savedname != NULL) {
dns_name_free(savedname, mctx);
isc_mem_put(mctx, savedname, sizeof(dns_name_t));
}
if (log != NULL)
isc_log_destroy(&log);
cleanup_entropy(&ectx);
isc_mem_free(mctx, output);
dst_lib_destroy();
if (verbose > 10)
isc_mem_stats(mctx, stdout);
isc_mem_destroy(&mctx);
return (0);
}