/
sign.c
11822 lines (9900 loc) · 281 KB
/
sign.c
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/*
* Copyright (c) 2020-2023 Peter J. Philipp <pbug44@delphinusdns.org>
*
* Permission to use, copy, modify, and 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 THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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.
*/
#include <sys/param.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/uio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <syslog.h>
#include <fcntl.h>
#include <ctype.h>
#ifdef __linux__
#include <grp.h>
#define __USE_BSD 1
#include <endian.h>
#include <bsd/stdlib.h>
#include <bsd/string.h>
#include <bsd/unistd.h>
#include <bsd/sys/queue.h>
#define __unused
#include <bsd/sys/tree.h>
#include <bsd/sys/endian.h>
#include "imsg.h"
#else /* not linux */
#include <sys/queue.h>
#include <sys/tree.h>
#ifdef __FreeBSD__
#include "imsg.h"
#else
#include <imsg.h>
#endif /* __FreeBSD__ */
#endif /* __linux__ */
#ifndef NTOHS
#include "endian.h"
#endif
#include "ddd-dns.h"
#include "ddd-db.h"
#include "ddd-config.h"
#include "ddd-crypto.h"
SLIST_HEAD(, keysentry) keyshead;
static struct keysentry {
char *keypath;
char *keyname;
uint32_t pid;
int sign;
int type;
/* key material in this struct */
char *key;
char *zone;
uint32_t ttl;
uint16_t flags;
uint8_t protocol;
uint8_t algorithm;
int keyid;
/* private key RSA */
DDD_BIGNUM *rsan;
DDD_BIGNUM *rsae;
DDD_BIGNUM *rsad;
DDD_BIGNUM *rsap;
DDD_BIGNUM *rsaq;
DDD_BIGNUM *rsadmp1;
DDD_BIGNUM *rsadmq1;
DDD_BIGNUM *rsaiqmp;
/* private key Elliptic Curve */
BIGNUM *ecprivate;
/* private and public keys for ED25519 */
uint8_t ed_private[DDD_ED25519_PRIVATE_KEY_LENGTH];
uint8_t ed_public[DDD_ED25519_PUBLIC_KEY_LENGTH];
SLIST_ENTRY(keysentry) keys_entry;
} *kn, *knp;
struct mynsec {
char *name;
char *nextname;
char *bitmap;
RB_ENTRY(mynsec) entries;
} *n1, *n2, *np;
extern int count_dots(char *name);
static int
slcmp(void *a, void *b)
{
char aname[DNS_MAXNAME + 1];
char bname[DNS_MAXNAME + 1];
char *a2name = ((struct mynsec *)a)->name;
char *b2name = ((struct mynsec *)b)->name;
int dots0, dots1;
int ret;
memset(&aname, 0, sizeof(aname));
memset(&bname, 0, sizeof(bname));
memcpy(&aname, a2name, sizeof(aname) - 1);
memcpy(&bname, b2name, sizeof(bname) - 1);
/* count the dots we need this for canonical compare */
dots0 = count_dots(a2name);
dots1 = count_dots(b2name);
if (dots0 > dots1)
return 1;
else if (dots1 > dots0)
return -1;
ret = strcmp(a2name, b2name);
return (ret);
}
RB_HEAD(nsectree, mynsec) nsechead = RB_INITIALIZER(&nsechead);
RB_PROTOTYPE(nsectree, mynsec, entries, slcmp)
RB_GENERATE(nsectree, mynsec, entries, slcmp)
/* prototypes */
int add_dnskey(ddDB *);
int add_zonemd(ddDB *, char *, int);
int fixup_zonemd(ddDB *, char *, int, int);
char * parse_keyfile(int, uint32_t *, uint16_t *, uint8_t *, uint8_t *, char *, int *);
char * key2zone(struct keysentry *, char *, uint32_t *, uint16_t *, uint8_t *, uint8_t *, char *, int *);
char * get_key(struct keysentry *,uint32_t *, uint16_t *, uint8_t *, uint8_t *, char *, int, int *);
char * create_key(char *, int, int, int, int, uint32_t *);
char * create_key_rsa(char *, int, int, int, int, uint32_t *);
char * create_key_ec(char *, int, int, int, int, uint32_t *);
char * create_key_ed25519(char *, int, int, int, int, uint32_t *);
int create_key_ec_getpid(DDD_EC_KEY *, DDD_EC_GROUP *, DDD_EC_POINT *, int, int);
int create_key_ed_getpid(uint8_t *, int, int);
char * alg_to_name(int);
int alg_to_rsa(int);
int construct_nsec3(ddDB *, char *, int, char *);
int construct_nsec(ddDB *, char *);
int calculate_rrsigs(ddDB *, char *, int, int);
static int sign_hinfo(ddDB *, char *, int, struct rbtree *, int);
static int sign_zonemd(ddDB *, char *, int, struct rbtree *, int);
static int sign_rp(ddDB *, char *, int, struct rbtree *, int);
static int sign_caa(ddDB *, char *, int, struct rbtree *, int);
static int sign_dnskey(ddDB *, char *, int, struct rbtree *, int);
static int sign_cdnskey(ddDB *, char *, int, struct rbtree *, int);
static int sign_cert(ddDB *, char *, int, struct rbtree *, int);
static int sign_a(ddDB *, char *, int, struct rbtree *, int);
static int sign_eui48(ddDB *, char *, int, struct rbtree *, int);
static int sign_eui64(ddDB *, char *, int, struct rbtree *, int);
static int sign_mx(ddDB *, char *, int, struct rbtree *, int);
static int sign_kx(ddDB *, char *, int, struct rbtree *, int);
static int sign_ipseckey(ddDB *, char *, int, struct rbtree *, int);
static int sign_ns(ddDB *, char *, int, struct rbtree *, int);
static int sign_srv(ddDB *, char *, int, struct rbtree *, int);
static int sign_cname(ddDB *, char *, int, struct rbtree *, int);
static int sign_soa(ddDB *, char *, int, struct rbtree *, int);
static int sign_txt(ddDB *, char *, int, struct rbtree *, int);
static int sign_svcb(ddDB *, char *, int, struct rbtree *, int);
static int sign_https(ddDB *, char *, int, struct rbtree *, int);
static int sign_aaaa(ddDB *, char *, int, struct rbtree *, int);
static int sign_ptr(ddDB *, char *, int, struct rbtree *, int);
static int sign_nsec3(ddDB *, char *, int, struct rbtree *, int);
static int sign_nsec3param(ddDB *, char *, int, struct rbtree *, int);
static int sign_nsec(ddDB *, char *, int, struct rbtree *, int);
static int sign_naptr(ddDB *, char *, int, struct rbtree *, int);
static int sign_sshfp(ddDB *, char *, int, struct rbtree *, int);
static int sign_tlsa(ddDB *, char *, int, struct rbtree *, int);
static int sign_loc(ddDB *, char *, int, struct rbtree *, int);
static int sign_ds(ddDB *, char *, int, struct rbtree *, int);
static int sign_cds(ddDB *, char *, int, struct rbtree *, int);
int sign(int, char *, int, struct keysentry *, char *, int *);
int create_ds(ddDB *, char *, struct keysentry *);
u_int keytag(u_char *key, u_int keysize);
u_int dnskey_keytag(struct dnskey *dnskey);
void free_private_key(struct keysentry *);
DDD_RSA * get_private_key_rsa(struct keysentry *);
DDD_EC_KEY * get_private_key_ec(struct keysentry *);
uint8_t * get_private_key_ed25519(struct keysentry *);
uint8_t * get_public_key_ed25519(struct keysentry *);
int store_private_key(struct keysentry *, char *, int, int);
int print_rbt(FILE *, struct rbtree *);
int print_rbt_bind(FILE *, struct rbtree *);
int signmain(int argc, char *argv[]);
void init_keys(void);
uint32_t getkeypid(struct keysentry *, char *);
void update_soa_serial(ddDB *, char *, time_t);
void debug_bindump(const char *, int);
int dump_db(ddDB *, FILE *, char *);
int notglue(ddDB *, struct rbtree *, char *);
static int rbt_isapex(struct rbtree *, char *);
/* externs */
extern int debug;
extern int verbose;
extern int bytes_received;
extern int notify;
extern int passlist;
extern int bcount;
extern char *bind_list[255];
extern char *interface_list[255];
extern int bflag;
extern int ratelimit_packets_per_second;
extern int ratelimit;
extern int nflag;
extern int iflag;
extern int lflag;
extern int icount;
extern int vslen;
extern char *versionstring;
extern uint64_t expiredon, signedon;
extern int dnssec;
extern int tsig;
extern char * canonical_sort(char **, int, int *);
extern char * cert_type(struct cert *);
extern char * ipseckey_type(struct ipseckey *);
extern char * param_tlv2human(char *, int, int);
extern char * bin2hex(char *, int);
extern char * bitmap2human(char *, int);
extern char * base32hex_encode(u_char *, int);
extern char * convert_name(char *, int);
extern char * dns_label(char *, int *);
extern char * hash_name(char *, int, struct nsec3param *);
extern char * get_dns_type(int, int);
extern ddDB * dddbopen(void);
extern ddDB * opendatabase(ddDB *);
extern int check_ent(char *, int);
extern int init_entlist(ddDB *);
extern int memcasecmp(u_char *, u_char *, int);
extern int mybase64_decode(char const *, u_char *, size_t);
extern int mybase64_encode(u_char const *, size_t, char *, size_t);
extern int add_rr(struct rbtree *, char *, int, uint16_t, void *);
extern int fill_dnskey(ddDB *,char *, char *, uint32_t, uint16_t, uint8_t, uint8_t, char *, uint16_t);
extern int fill_nsec(ddDB *, char *, char *, uint32_t, char *, char *);
extern int fill_nsec3(ddDB *, char *, char *, uint32_t, uint8_t, uint8_t, uint16_t, char *, char *, char *, char *);
extern int fill_nsec3param(ddDB *, char *, char *, uint32_t, uint8_t, uint8_t, uint16_t, char *);
extern int fill_rrsig(ddDB *,char *, char *, uint32_t, char *, uint8_t, uint8_t, uint32_t, uint64_t, uint64_t, uint16_t, char *, char *);
extern int fill_zonemd(ddDB *, char *, char *, int, uint32_t, uint8_t, uint8_t, char *, int);
extern int insert_axfr(char *, char *);
extern int insert_filter(char *, char *);
extern int insert_notifyddd(char *, char *);
extern int insert_passlist(char *, char *);
extern int label_count(char *);
extern int parse_file(ddDB *, char *, uint32_t, int);
extern size_t plength(void *, void *);
extern struct question * build_fake_question(char *, int, uint16_t, char *, int);
extern struct rbtree * Lookup_zone(ddDB *, char *, int, int, int);
extern struct rbtree * find_rrset(ddDB *, char *, int);
extern struct rrset * find_rr(struct rbtree *, uint16_t);
extern struct zonemd * zonemd_hash_zonemd(struct rrset *, struct rbtree *);
extern uint16_t unpack16(char *);
extern uint32_t unpack32(char *);
extern uint64_t timethuman(time_t);
extern void dolog(int, char *, ...);
extern void pack(char *, char *, int);
extern void pack16(char *, uint16_t);
extern void pack32(char *, uint32_t);
extern void pack8(char *, uint8_t);
extern void unpack(char *, char *, int);
extern void zonemd_hash_a(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_aaaa(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_caa(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_cdnskey(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_cds(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_cert(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_cname(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_dnskey(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_ds(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_eui48(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_eui64(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_hinfo(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_https(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_ipseckey(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_kx(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_loc(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_mx(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_naptr(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_ns(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_nsec(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_nsec3(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_nsec3param(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_ptr(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_rp(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_rrsig(SHA512_CTX *, struct rrset *, struct rbtree *, int);
extern void zonemd_hash_soa(SHA512_CTX *, struct rrset *, struct rbtree *, uint32_t *);
extern void zonemd_hash_srv(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_sshfp(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_svcb(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_tlsa(SHA512_CTX *, struct rrset *, struct rbtree *);
extern void zonemd_hash_txt(SHA512_CTX *, struct rrset *, struct rbtree *);
/* Aliases */
#define ROLLOVER_METHOD_PRE_PUBLICATION 0
#define ROLLOVER_METHOD_DOUBLE_SIGNATURE 1
#define KEYTYPE_NONE 0
#define KEYTYPE_KSK 1
#define KEYTYPE_ZSK 2
#define SCHEME_OFF 0
#define SCHEME_YYYY 1
#define SCHEME_TSTAMP 2
#define ALGORITHM_RSASHA256 8 /* rfc 5702 */
#define ALGORITHM_RSASHA512 10 /* rfc 5702 */
#define ALGORITHM_ECDSAP256SHA256 13 /* rfc 6605 */
#define ALGORITHM_ECDSAP384SHA384 14 /* rfc 6605 */
#define ALGORITHM_ED25519 15 /* rfc 8080 */
#define DDD_RSA_F5 0x100000001
#define PROVIDED_SIGNTIME 0
#define SIGNEDON 20161230073133
#define EXPIREDON 20170228073133
#define SIGNEDON_DRIFT (14 * 86400)
#define DEFAULT_EXPIRYTIME (60 * 86400)
#define DEFAULT_TTL 3600
#define DEFAULT_BITS 3072
#define DEFAULT_NSEC 3
/* define masks */
#define MASK_PARSE_BINDFILE 0x1
#define MASK_PARSE_FILE 0x2
#define MASK_ADD_DNSKEY 0x4
#define MASK_CONSTRUCT_NSEC3 0x8
#define MASK_CALCULATE_RRSIGS 0x10
#define MASK_CREATE_DS 0x20
#define MASK_DUMP_DB 0x40
#define MASK_DUMP_BIND 0x80
/*
* ZONEMD - the heart of dddctl zonemd ...
*/
int
zonemd(int argc, char *argv[])
{
FILE *of = stdout;
int ch, checkhash = 0;
char *zonefile = NULL;
char *zonename = NULL;
uint32_t parseflags = PARSEFILE_FLAG_NOSOCKET;
struct stat sb;
ddDB *db;
#if __OpenBSD__
if (pledge("stdio rpath wpath cpath", NULL) < 0) {
perror("pledge");
exit(1);
}
#endif
while ((ch = getopt(argc, argv, "cn:o:")) != -1) {
switch (ch) {
case 'c':
checkhash = 1;
break;
case 'n':
zonename = optarg;
break;
case 'o':
/* output file */
if (optarg[0] == '-')
break;
errno = 0;
if (lstat(optarg, &sb) < 0 && errno != ENOENT) {
perror("lstat");
exit(1);
}
if (errno != ENOENT && ! S_ISREG(sb.st_mode)) {
fprintf(stderr, "%s is not a file!\n", optarg);
exit(1);
}
if ((of = fopen(optarg, "w")) == NULL) {
perror("fopen");
exit(1);
}
break;
}
}
argc -= optind;
argv += optind;
zonefile = argv[0];
if (zonefile == NULL || zonename == NULL) {
fprintf(stderr, "must provide a zonefile and a zonename!\n");
exit(1);
}
db = dddbopen();
if (db == NULL) {
dolog(LOG_INFO, "dddbopen() failed\n");
exit(1);
}
/* now we start reading our configfile */
if (parse_file(db, zonefile, parseflags, -1) < 0) {
dolog(LOG_INFO, "parsing config file failed\n");
exit(1);
}
/* add zonemd to zone */
if (! checkhash) {
add_zonemd(db, zonename, 0);
/* write new zone file */
if (dump_db(db, of, zonename) < 0)
exit (1);
} else {
if (add_zonemd(db, zonename, 1) == 0) {
printf("(ZONEMD) %s: OK\n", zonename);
} else {
fprintf(stderr, "(ZONEMD) %s: FAILED\n", zonename);
exit(1);
}
}
return 0;
}
/*
* SIGNMAIN - the heart of dddctl sign ...
*/
#ifdef DDD_NOSIGN
int
signmain(int argc, char *argv[])
{
kn = NULL;
knp = NULL; /* squelch warnings */
fprintf(stderr, "signing has been disabled in dddctl\n");
exit(1);
}
#else
int
signmain(int argc, char *argv[])
{
FILE *of = stdout;
struct stat sb;
int ch;
int bits = DEFAULT_BITS;
int ttl = DEFAULT_TTL;
int nsec = DEFAULT_NSEC;
int create_zsk = 0;
int create_ksk = 0;
int rollmethod = ROLLOVER_METHOD_PRE_PUBLICATION;
int algorithm = ALGORITHM_ECDSAP256SHA256;
int expiry = DEFAULT_EXPIRYTIME;
int iterations = 10;
int zonemd = 0;
uint32_t mask = (MASK_PARSE_FILE | MASK_ADD_DNSKEY | MASK_CONSTRUCT_NSEC3 | MASK_CALCULATE_RRSIGS | MASK_CREATE_DS | MASK_DUMP_DB);
char *salt = "-";
char *zonefile = NULL;
char *zonename = NULL;
char *ep;
char *p;
int ksk_key = 0, zsk_key = 0;
int numkeys = 0, search = 0;
uint32_t pid = -1, newpid;
char key_key[4096];
char buf[512];
char *key_zone;
uint32_t key_ttl;
uint16_t key_flags;
uint8_t key_protocol;
uint8_t key_algorithm;
int key_keyid;
ddDB *db;
time_t now, serial = 0;
struct tm *tm;
uint32_t parseflags = PARSEFILE_FLAG_NOSOCKET;
#if __OpenBSD__
if (pledge("stdio rpath wpath cpath", NULL) < 0) {
perror("pledge");
exit(1);
}
#endif
while ((ch = getopt(argc, argv, "a:B:e:hI:i:Kk:Mm:N:n:o:R:S:s:t:vXx:Zz:")) != -1) {
switch (ch) {
case 'a':
/* algorithm */
algorithm = atoi(optarg);
break;
case 'B':
/* bits */
bits = atoi(optarg);
break;
case 'e':
/* expiry */
expiry = atoi(optarg);
break;
case 'I':
/* NSEC3 iterations */
iterations = atoi(optarg);
break;
case 'i':
/* inputfile */
zonefile = optarg;
break;
case 'K':
/* create KSK key */
create_ksk = 1;
break;
case 'k':
/* use KSK key */
kn = malloc(sizeof(struct keysentry));
if (kn == NULL) {
perror("malloc");
exit(1);
}
kn->keypath = strdup(optarg);
if (kn->keypath == NULL) {
perror("strdup");
exit(1);
}
p = strrchr(kn->keypath, '/');
if (p == NULL) {
free(kn->keypath);
kn->keypath = NULL;
kn->keyname = strdup(optarg);
if (kn->keyname == NULL) {
perror("strdup");
exit(1);
}
} else {
*p = '\0';
p++;
if (*p != '\0') {
kn->keyname = strdup(p);
if (kn->keyname == NULL) {
perror("strdup");
exit(1);
}
}
}
kn->type = KEYTYPE_KSK;
kn->pid = getkeypid(kn, kn->keyname);
#if DEBUG
printf("opened %s with pid %u\n", kn->keyname, kn->pid);
#endif
kn->sign = 0;
ksk_key = 1;
if ((key_zone = key2zone(kn, kn->keyname, &key_ttl, &key_flags, &key_protocol, &key_algorithm, (char *)&key_key, &key_keyid)) == NULL) {
perror("key2zone");
exit(1);
}
kn->zone = strdup(key_zone);
if (kn->zone == NULL) {
perror("strdup");
exit(1);
}
kn->ttl = key_ttl;
kn->flags = key_flags;
kn->protocol = key_protocol;
kn->algorithm = key_algorithm;
kn->key = strdup(key_key);
if (kn->key == NULL) {
perror("strdup kn->key");
exit(1);
}
kn->keyid = key_keyid;
if (store_private_key(kn, kn->zone, kn->keyid, kn->algorithm) < 0) {
perror("store_private_key");
exit(1);
}
SLIST_INSERT_HEAD(&keyshead, kn, keys_entry);
numkeys++;
break;
case 'M':
zonemd = 1;
break;
case 'm':
/* mask */
mask = strtoull(optarg, &ep, 16);
break;
case 'N':
nsec = atoi(optarg);
break;
case 'n':
/* zone name */
zonename = optarg;
break;
case 'o':
/* output file */
if (optarg[0] == '-')
break;
errno = 0;
if (lstat(optarg, &sb) < 0 && errno != ENOENT) {
perror("lstat");
exit(1);
}
if (errno != ENOENT && ! S_ISREG(sb.st_mode)) {
fprintf(stderr, "%s is not a file!\n", optarg);
exit(1);
}
if ((of = fopen(optarg, "w")) == NULL) {
perror("fopen");
exit(1);
}
break;
case 'R':
/* rollover method see RFC 7583 section 2.1 */
if (strcmp(optarg, "prep") == 0) {
rollmethod = ROLLOVER_METHOD_PRE_PUBLICATION;
} else if (strcmp(optarg, "double") == 0) {
rollmethod = ROLLOVER_METHOD_DOUBLE_SIGNATURE;
}
break;
case 'S':
pid = atoi(optarg);
break;
case 's':
/* salt */
salt = optarg;
break;
case 't':
/* ttl of the zone */
ttl = atoi(optarg);
break;
case 'v':
/* version */
printf("%s\n", DD_CONVERT_VERSION);
exit(0);
case 'X':
/* update serial */
now = time(NULL);
tm = localtime(&now);
strftime(buf, sizeof(buf), "%Y%m%d01", tm);
serial = atoll(buf);
break;
case 'x':
serial = atoll(optarg);
break;
case 'Z':
/* create ZSK */
create_zsk = 1;
break;
case 'z':
/* use ZSK */
kn = malloc(sizeof(struct keysentry));
if (kn == NULL) {
perror("malloc");
exit(1);
}
kn->keypath = strdup(optarg);
if (kn->keypath == NULL) {
perror("strdup");
exit(1);
}
p = strrchr(kn->keypath, '/');
if (p == NULL) {
free(kn->keypath);
kn->keypath = NULL;
kn->keyname = strdup(optarg);
if (kn->keyname == NULL) {
perror("strdup");
exit(1);
}
} else {
*p = '\0';
p++;
if (*p != '\0') {
kn->keyname = strdup(p);
if (kn->keyname == NULL) {
perror("strdup");
exit(1);
}
}
}
kn->type = KEYTYPE_ZSK;
kn->pid = getkeypid(kn, kn->keyname);
#if DEBUG
printf("opened %s with pid %u\n", kn->keyname, kn->pid);
#endif
kn->sign = 0;
zsk_key = 1;
if ((key_zone = key2zone(kn, kn->keyname, &key_ttl, &key_flags, &key_protocol, &key_algorithm, (char *)&key_key, &key_keyid)) == NULL) {
perror("key2zone");
exit(1);
}
kn->zone = strdup(key_zone);
if (kn->zone == NULL) {
perror("strdup");
exit(1);
}
kn->ttl = key_ttl;
kn->flags = key_flags;
kn->protocol = key_protocol;
kn->algorithm = key_algorithm;
kn->key = strdup(key_key);
if (kn->key == NULL) {
perror("strdup kn->key");
exit(1);
}
kn->keyid = key_keyid;
if (store_private_key(kn, kn->zone, kn->keyid, kn->algorithm) < 0) {
perror("store_private_key");
exit(1);
}
SLIST_INSERT_HEAD(&keyshead, kn, keys_entry);
numkeys++;
break;
}
}
if (zonename == NULL) {
fprintf(stderr, "must provide a zonename with the -n flag\n");
exit(1);
}
if (create_ksk) {
kn = calloc(sizeof(struct keysentry), 1);
if (kn == NULL) {
perror("calloc");
exit(1);
}
dolog(LOG_INFO, "creating new KSK (257) algorithm: %s with %d bits, pid ", alg_to_name(algorithm), bits);
kn->keyname = create_key(zonename, ttl, 257, algorithm, bits, &newpid);
if (kn->keyname == NULL) {
dolog(LOG_ERR, "failed.\n");
exit(1);
}
kn->type = KEYTYPE_KSK;
kn->pid = newpid;
kn->sign = 0;
ksk_key = 1;
dolog(LOG_INFO, "%d.\n", newpid);
if ((key_zone = key2zone(kn, kn->keyname, &key_ttl, &key_flags, &key_protocol, &key_algorithm, (char *)&key_key, &key_keyid)) == NULL) {
perror("key2zone");
exit(1);
}
kn->zone = strdup(key_zone);
if (kn->zone == NULL) {
perror("strdup");
exit(1);
}
kn->ttl = key_ttl;
kn->flags = key_flags;
kn->protocol = key_protocol;
kn->algorithm = key_algorithm;
kn->key = strdup(key_key);
if (kn->key == NULL) {
perror("strdup kn->key");
exit(1);
}
kn->keyid = key_keyid;
if (store_private_key(kn, kn->zone, kn->keyid, kn->algorithm) < 0) {
perror("store_private_key");
exit(1);
}
SLIST_INSERT_HEAD(&keyshead, kn, keys_entry);
numkeys++;
}
if (create_zsk) {
kn = calloc(sizeof(struct keysentry), 1);
if (kn == NULL) {
perror("calloc");
exit(1);
}
dolog(LOG_INFO, "creating new ZSK (256) algorithm: %s with %d bits, pid ", alg_to_name(algorithm), bits);
kn->keyname = create_key(zonename, ttl, 256, algorithm, bits, &newpid);
if (kn->keyname == NULL) {
dolog(LOG_ERR, "failed.\n");
exit(1);
}
kn->type = KEYTYPE_ZSK;
kn->pid = newpid;
kn->sign = 0;
zsk_key = 1;
dolog(LOG_INFO, "%d.\n", newpid);
if ((key_zone = key2zone(kn, kn->keyname, &key_ttl, &key_flags, &key_protocol, &key_algorithm, (char *)&key_key, &key_keyid)) == NULL) {
perror("key2zone");
exit(1);
}
kn->zone = strdup(key_zone);
if (kn->zone == NULL) {
perror("strdup");
exit(1);
}
kn->ttl = key_ttl;
kn->flags = key_flags;
kn->protocol = key_protocol;
kn->algorithm = key_algorithm;
kn->key = strdup(key_key);
if (kn->key == NULL) {
perror("strdup kn->key");
exit(1);
}
kn->keyid = key_keyid;
if (store_private_key(kn, kn->zone, kn->keyid, kn->algorithm) < 0) {
perror("store_private_key");
exit(1);
}
SLIST_INSERT_HEAD(&keyshead, kn, keys_entry);
numkeys++;
}
if (zonefile == NULL || zonename == NULL) {
if (create_zsk || create_ksk) {
fprintf(stderr, "key(s) created\n");
exit(0);
}
fprintf(stderr, "must provide a zonefile and a zonename!\n");
exit(1);
}
if (ksk_key == 0 || zsk_key == 0) {
dolog(LOG_INFO, "must specify both a ksk and a zsk key! or -z -k\n");
exit(1);
}
/* check what keys we sign or not */
if ((rollmethod == ROLLOVER_METHOD_PRE_PUBLICATION && numkeys > 3) ||
(rollmethod == ROLLOVER_METHOD_DOUBLE_SIGNATURE && numkeys > 4)) {
switch (rollmethod) {
case ROLLOVER_METHOD_PRE_PUBLICATION:
dolog(LOG_INFO, "rollover pre-publication method: can't roll-over more than 1 key at a time! numkeys > 3\n");
break;
case ROLLOVER_METHOD_DOUBLE_SIGNATURE:
dolog(LOG_INFO, "rollover double-signature method: can't roll-over more than 2 keys at a time! numkeys > 4\n");
break;
}
exit(1);
} else if ((numkeys > 2 && rollmethod == ROLLOVER_METHOD_DOUBLE_SIGNATURE) || numkeys == 2) {
#if 0
} else if (numkeys == 2) {
#endif
/* sign them all */
SLIST_FOREACH(knp, &keyshead, keys_entry) {
knp->sign = 1;
}
} else {
/* we can only be pre-publication method and have 3 keys now */
if (pid == -1) {
fprintf(stderr, "pre-publication rollover: you specified three keys, please select one for signing (with -S pid)!\n");
exit(1);
}
search = KEYTYPE_NONE;
SLIST_FOREACH(knp, &keyshead, keys_entry) {
if (knp->pid == pid) {
knp->sign = 1;
search = (knp->type == KEYTYPE_KSK) ? KEYTYPE_ZSK : KEYTYPE_KSK;
break;
}
}
SLIST_FOREACH(knp, &keyshead, keys_entry) {
if (search == knp->type && knp->sign == 0)
knp->sign = 1;
} /* SLIST_FOREACH */
} /* numkeys == 3 */
#if DEBUG
SLIST_FOREACH(knp, &keyshead, keys_entry) {
printf("%s pid: %u %s\n", knp->keyname, knp->pid, knp->sign ? "<--" : "" );
}
#endif
#if DEBUG
printf("zonefile is %s\n", zonefile);
#endif