dnssec-settime.c revision 53c22b8e0da67ca756ca309d5f84db9c189cd0a2
/*
* Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
*
* 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 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-settime.c,v 1.13 2009/09/23 16:01:56 each Exp $ */
/*! \file */
#include <config.h>
#include <libgen.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 <dst/dst.h>
#include "dnssectool.h"
const char *program = "dnssec-settime";
int verbose;
static isc_mem_t *mctx = NULL;
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");
fprintf(stderr, " -f: force update of old-style "
"keys\n");
fprintf(stderr, " -K directory: set key file location\n");
fprintf(stderr, " -v level: set level of verbosity\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, " -A date/[+-]offset/none: set key "
"activation date\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, "Printing options:\n");
fprintf(stderr, " -p C/P/A/R/U/D/all: print a particular time "
"value or values "
"[default: all]\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, isc_boolean_t 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 time = when;
output = ctime(&time);
fprintf(stream, "%s", output);
}
}
int
main(int argc, char **argv) {
isc_result_t result;
char *filename = NULL, *directory = NULL;
char newname[1024];
char keystr[KEY_FORMATSIZE];
char *endp, *p;
int ch;
isc_entropy_t *ectx = NULL;
dst_key_t *key = NULL;
isc_buffer_t buf;
int major, minor;
isc_stdtime_t now;
isc_stdtime_t pub = 0, act = 0, rev = 0, inact = 0, del = 0;
isc_boolean_t setpub = ISC_FALSE, setact = ISC_FALSE;
isc_boolean_t setrev = ISC_FALSE, setinact = ISC_FALSE;
isc_boolean_t setdel = 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 printcreate = ISC_FALSE, printpub = ISC_FALSE;
isc_boolean_t printact = ISC_FALSE, printrev = ISC_FALSE;
isc_boolean_t printinact = ISC_FALSE, printdel = ISC_FALSE;
isc_boolean_t forceupdate = ISC_FALSE;
isc_boolean_t epoch = ISC_FALSE;
isc_boolean_t changed = ISC_FALSE;
if (argc == 1)
usage();
result = isc_mem_create(0, 0, &mctx);
if (result != ISC_R_SUCCESS)
fatal("Out of memory");
dns_result_register();
isc_commandline_errprint = ISC_FALSE;
isc_stdtime_get(&now);
while ((ch = isc_commandline_parse(argc, argv,
"fK:uhp:v:P:A:R:I:D:")) != -1) {
switch (ch) {
case 'f':
forceupdate = ISC_TRUE;
break;
case 'p':
p = isc_commandline_argument;
if (!strcasecmp(p, "all")) {
printcreate = ISC_TRUE;
printpub = ISC_TRUE;
printact = ISC_TRUE;
printrev = ISC_TRUE;
printinact = ISC_TRUE;
printdel = ISC_TRUE;
break;
}
do {
switch (*p++) {
case 'C':
printcreate = ISC_TRUE;
break;
case 'P':
printpub = ISC_TRUE;
break;
case 'A':
printact = ISC_TRUE;
break;
case 'R':
printrev = ISC_TRUE;
break;
case 'I':
printinact = ISC_TRUE;
break;
case 'D':
printdel = ISC_TRUE;
break;
case ' ':
break;
default:
usage();
break;
}
} while (*p != '\0');
break;
case 'u':
epoch = ISC_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 'v':
verbose = strtol(isc_commandline_argument, &endp, 0);
if (*endp != '\0')
fatal("-v must be followed by a number");
break;
case 'P':
if (setpub || unsetpub)
fatal("-P specified more than once");
changed = ISC_TRUE;
if (!strcasecmp(isc_commandline_argument, "none")) {
unsetpub = ISC_TRUE;
} else {
setpub = ISC_TRUE;
pub = strtotime(isc_commandline_argument,
now, now);
}
break;
case 'A':
if (setact || unsetact)
fatal("-A specified more than once");
changed = ISC_TRUE;
if (!strcasecmp(isc_commandline_argument, "none")) {
unsetact = ISC_TRUE;
} else {
setact = ISC_TRUE;
act = strtotime(isc_commandline_argument,
now, now);
}
break;
case 'R':
if (setrev || unsetrev)
fatal("-R specified more than once");
changed = ISC_TRUE;
if (!strcasecmp(isc_commandline_argument, "none")) {
unsetrev = ISC_TRUE;
} else {
setrev = ISC_TRUE;
rev = strtotime(isc_commandline_argument,
now, now);
}
break;
case 'I':
if (setinact || unsetinact)
fatal("-I specified more than once");
changed = ISC_TRUE;
if (!strcasecmp(isc_commandline_argument, "none")) {
unsetinact = ISC_TRUE;
} else {
setinact = ISC_TRUE;
inact = strtotime(isc_commandline_argument,
now, now);
}
break;
case 'D':
if (setdel || unsetdel)
fatal("-D specified more than once");
changed = ISC_TRUE;
if (!strcasecmp(isc_commandline_argument, "none")) {
unsetdel = ISC_TRUE;
} else {
setdel = ISC_TRUE;
del = strtotime(isc_commandline_argument,
now, now);
}
break;
case '?':
if (isc_commandline_option != '?')
fprintf(stderr, "%s: invalid argument -%c\n",
program, isc_commandline_option);
/* Falls into */
case 'h':
usage();
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 (directory != NULL) {
filename = argv[isc_commandline_index];
} else {
isc_file_splitpath(mctx, argv[isc_commandline_index],
&directory, &filename);
}
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_init(mctx, ectx,
ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
if (result != ISC_R_SUCCESS)
fatal("Could not initialize dst");
isc_entropy_stopcallbacksources(ectx);
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))
fatal("%s is not a private key", filename);
key_format(key, keystr, sizeof(keystr));
/* Is this an old-style key? */
dst_key_getprivateformat(key, &major, &minor);
if (major <= 1 && minor <= 2) {
if (forceupdate) {
/*
* Updating to new-style key: set
* Private-key-format to 1.3
*/
dst_key_setprivateformat(key, 1, 3);
dst_key_settime(key, DST_TIME_CREATED, now);
} else
fatal("Incompatible key %s, "
"use -f to force update.", 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);
/*
* 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 (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) {
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);
}
dst_key_free(&key);
dst_lib_destroy();
isc_hash_destroy();
cleanup_entropy(&ectx);
if (verbose > 10)
isc_mem_stats(mctx, stdout);
isc_mem_free(mctx, directory);
isc_mem_destroy(&mctx);
return (0);
}