static inline isc_result_t fromtext_cert(ARGS_FROMTEXT) { isc_token_t token; dns_secalg_t secalg; dns_cert_t cert; REQUIRE(type == 37); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* * Cert type. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_cert_fromtext(&cert, &token.value.as_textregion)); RETERR(uint16_tobuffer(cert, target)); /* * Key tag. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, ISC_FALSE)); if (token.value.as_ulong > 0xffffU) RETTOK(ISC_R_RANGE); RETERR(uint16_tobuffer(token.value.as_ulong, target)); /* * Algorithm. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_secalg_fromtext(&secalg, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &secalg, 1)); return (isc_base64_tobuffer(lexer, target, -1)); }
static inline isc_result_t fromtext_dnskey(ARGS_FROMTEXT) { isc_token_t token; dns_secalg_t alg; dns_secproto_t proto; dns_keyflags_t flags; REQUIRE(type == 48); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* flags */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_keyflags_fromtext(&flags, &token.value.as_textregion)); RETERR(uint16_tobuffer(flags, target)); /* protocol */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_secproto_fromtext(&proto, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &proto, 1)); /* algorithm */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_secalg_fromtext(&alg, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &alg, 1)); /* No Key? */ if ((flags & 0xc000) == 0xc000) return (ISC_R_SUCCESS); return (isc_base64_tobuffer(lexer, target, -1)); }
static inline isc_result_t fromtext_sig(ARGS_FROMTEXT) { isc_token_t token; unsigned char c; long i; dns_rdatatype_t covered; char *e; isc_result_t result; dns_name_t name; isc_buffer_t buffer; isc_uint32_t time_signed, time_expire; REQUIRE(type == dns_rdatatype_sig); UNUSED(type); UNUSED(rdclass); UNUSED(callbacks); /* * Type covered. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); result = dns_rdatatype_fromtext(&covered, &token.value.as_textregion); if (result != ISC_R_SUCCESS && result != ISC_R_NOTIMPLEMENTED) { i = strtol(DNS_AS_STR(token), &e, 10); if (i < 0 || i > 65535) RETTOK(ISC_R_RANGE); if (*e != 0) RETTOK(result); covered = (dns_rdatatype_t)i; } RETERR(uint16_tobuffer(covered, target)); /* * Algorithm. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_secalg_fromtext(&c, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &c, 1)); /* * Labels. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, ISC_FALSE)); if (token.value.as_ulong > 0xffU) RETTOK(ISC_R_RANGE); c = (unsigned char)token.value.as_ulong; RETERR(mem_tobuffer(target, &c, 1)); /* * Original ttl. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, ISC_FALSE)); RETERR(uint32_tobuffer(token.value.as_ulong, target)); /* * Signature expiration. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &time_expire)); RETERR(uint32_tobuffer(time_expire, target)); /* * Time signed. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &time_signed)); RETERR(uint32_tobuffer(time_signed, target)); /* * Key footprint. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, ISC_FALSE)); RETERR(uint16_tobuffer(token.value.as_ulong, target)); /* * Signer. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); dns_name_init(&name, NULL); buffer_fromregion(&buffer, &token.value.as_region); if (origin == NULL) origin = dns_rootname; RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target)); /* * Sig. */ return (isc_base64_tobuffer(lexer, target, -1)); }
int main(int argc, char **argv) { char *algname = NULL, *nametype = NULL, *type = NULL; char *classname = NULL; char *endp; dst_key_t *key = NULL, *oldkey; dns_fixedname_t fname; dns_name_t *name; isc_uint16_t flags = 0, ksk = 0; dns_secalg_t alg; isc_boolean_t conflict = ISC_FALSE, null_key = ISC_FALSE; isc_mem_t *mctx = NULL; int ch, rsa_exp = 0, generator = 0, param = 0; int protocol = -1, size = -1, signatory = 0; isc_result_t ret; isc_textregion_t r; char filename[255]; isc_buffer_t buf; isc_log_t *log = NULL; isc_entropy_t *ectx = NULL; dns_rdataclass_t rdclass; int options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC; int dbits = 0; if (argc == 1) usage(); RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS); dns_result_register(); isc_commandline_errprint = ISC_FALSE; while ((ch = isc_commandline_parse(argc, argv, "a:b:c:d:ef:g:kn:t:p:s:r:v:h")) != -1) { switch (ch) { 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': 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': rsa_exp = 1; break; case 'f': if (strcasecmp(isc_commandline_argument, "KSK") == 0) ksk = DNS_KEYFLAG_KSK; 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': options |= DST_TYPE_KEY; break; case 'n': nametype = isc_commandline_argument; break; case 't': type = isc_commandline_argument; 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 '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 'r': setup_entropy(mctx, isc_commandline_argument, &ectx); 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 '?': if (isc_commandline_option != '?') fprintf(stderr, "%s: invalid argument -%c\n", program, isc_commandline_option); case 'h': usage(); default: fprintf(stderr, "%s: unhandled option -%c\n", program, isc_commandline_option); exit(1); } } if (ectx == NULL) setup_entropy(mctx, NULL, &ectx); ret = dst_lib_init(mctx, ectx, ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); if (ret != ISC_R_SUCCESS) fatal("could not initialize dst"); setup_logging(verbose, mctx, &log); if (argc < isc_commandline_index + 1) fatal("the key name was not specified"); if (argc > isc_commandline_index + 1) fatal("extraneous arguments"); if (algname == NULL) fatal("no algorithm was specified"); if (strcasecmp(algname, "RSA") == 0) { fprintf(stderr, "The use of RSA (RSAMD5) is not recommended.\n" "If you still wish to use RSA (RSAMD5) please " "specify \"-a RSAMD5\"\n"); return (1); } else if (strcasecmp(algname, "HMAC-MD5") == 0) { options |= DST_TYPE_KEY; alg = DST_ALG_HMACMD5; } else if (strcasecmp(algname, "HMAC-SHA1") == 0) { options |= DST_TYPE_KEY; alg = DST_ALG_HMACSHA1; } else if (strcasecmp(algname, "HMAC-SHA224") == 0) { options |= DST_TYPE_KEY; alg = DST_ALG_HMACSHA224; } else if (strcasecmp(algname, "HMAC-SHA256") == 0) { options |= DST_TYPE_KEY; alg = DST_ALG_HMACSHA256; } else if (strcasecmp(algname, "HMAC-SHA384") == 0) { options |= DST_TYPE_KEY; alg = DST_ALG_HMACSHA384; } else if (strcasecmp(algname, "HMAC-SHA512") == 0) { options |= DST_TYPE_KEY; 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 (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) fatal("key size not specified (-b option)"); switch (alg) { case DNS_KEYALG_RSAMD5: case DNS_KEYALG_RSASHA1: if (size != 0 && (size < 512 || 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: if (size != 0 && !dsa_size_ok(size)) fatal("invalid DSS key size: %d", size); break; case DST_ALG_HMACMD5: 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: 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: 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: 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: 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: 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_RSAMD5 || alg == DNS_KEYALG_RSASHA1) && rsa_exp != 0) fatal("specified RSA exponent for a non-RSA key"); 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 ((options & DST_TYPE_KEY) != 0) /* KEY / HMAC */ flags |= signatory; else if ((flags & DNS_KEYOWNER_ZONE) != 0) /* DNSKEY */ flags |= ksk; 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); 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, ISC_FALSE, NULL); if (ret != ISC_R_SUCCESS) fatal("invalid key name %s: %s", argv[isc_commandline_index], isc_result_totext(ret)); switch(alg) { case DNS_KEYALG_RSAMD5: case DNS_KEYALG_RSASHA1: param = rsa_exp; break; case DNS_KEYALG_DH: param = generator; break; case DNS_KEYALG_DSA: 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; oldkey = NULL; /* generate the key */ ret = dst_key_generate(name, alg, size, param, flags, protocol, rdclass, mctx, &key); isc_entropy_stopcallbacksources(ectx); if (ret != ISC_R_SUCCESS) { char namestr[DNS_NAME_FORMATSIZE]; char algstr[ALG_FORMATSIZE]; dns_name_format(name, namestr, sizeof(namestr)); alg_format(alg, algstr, sizeof(algstr)); fatal("failed to generate key %s/%s: %s\n", namestr, algstr, isc_result_totext(ret)); exit(-1); } dst_key_setbits(key, dbits); /* * Try to read a key with the same name, alg and id from disk. * If there is one we must continue generating a new one * unless we were asked to generate a null key, in which * case we return failure. */ ret = dst_key_fromfile(name, dst_key_id(key), alg, DST_TYPE_PRIVATE, NULL, mctx, &oldkey); /* do not overwrite an existing key */ if (ret == ISC_R_SUCCESS) { dst_key_free(&oldkey); conflict = ISC_TRUE; if (null_key) break; } if (conflict == ISC_TRUE) { if (verbose > 0) { isc_buffer_clear(&buf); ret = dst_key_buildfilename(key, 0, NULL, &buf); fprintf(stderr, "%s: %s already exists, " "generating a new key\n", program, filename); } dst_key_free(&key); } } while (conflict == ISC_TRUE); if (conflict) fatal("cannot generate a null key when a key with id 0 " "already exists"); ret = dst_key_tofile(key, options, NULL); if (ret != ISC_R_SUCCESS) { char keystr[KEY_FORMATSIZE]; 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); printf("%s\n", filename); dst_key_free(&key); cleanup_logging(&log); cleanup_entropy(&ectx); dst_lib_destroy(); dns_name_destroy(); if (verbose > 10) isc_mem_stats(mctx, stdout); isc_mem_destroy(&mctx); return (0); }
static inline isc_result_t generic_fromtext_ds(ARGS_FROMTEXT) { isc_token_t token; unsigned char c; int length; UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* * Key tag. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, ISC_FALSE)); if (token.value.as_ulong > 0xffffU) RETTOK(ISC_R_RANGE); RETERR(uint16_tobuffer(token.value.as_ulong, target)); /* * Algorithm. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_secalg_fromtext(&c, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &c, 1)); /* * Digest type. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_dsdigest_fromtext(&c, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &c, 1)); /* * Digest. */ switch (c) { case DNS_DSDIGEST_SHA1: length = ISC_SHA1_DIGESTLENGTH; break; case DNS_DSDIGEST_SHA256: length = ISC_SHA256_DIGESTLENGTH; break; #ifdef ISC_GOST_DIGESTLENGTH case DNS_DSDIGEST_GOST: length = ISC_GOST_DIGESTLENGTH; break; #endif case DNS_DSDIGEST_SHA384: length = ISC_SHA384_DIGESTLENGTH; break; default: length = -1; break; } return (isc_hex_tobuffer(lexer, target, length)); }
static inline isc_result_t fromtext_keydata(ARGS_FROMTEXT) { isc_result_t result; isc_token_t token; dns_secalg_t alg; dns_secproto_t proto; dns_keyflags_t flags; isc_uint32_t refresh, addhd, removehd; REQUIRE(type == 65533); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* refresh timer */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &refresh)); RETERR(uint32_tobuffer(refresh, target)); /* add hold-down */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &addhd)); RETERR(uint32_tobuffer(addhd, target)); /* remove hold-down */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &removehd)); RETERR(uint32_tobuffer(removehd, target)); /* flags */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_keyflags_fromtext(&flags, &token.value.as_textregion)); RETERR(uint16_tobuffer(flags, target)); /* protocol */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_secproto_fromtext(&proto, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &proto, 1)); /* algorithm */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_secalg_fromtext(&alg, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &alg, 1)); /* No Key? */ if ((flags & 0xc000) == 0xc000) return (ISC_R_SUCCESS); result = isc_base64_tobuffer(lexer, target, -1); if (result != ISC_R_SUCCESS) return (result); /* Ensure there's at least enough data to compute a key ID for MD5 */ if (alg == DST_ALG_RSAMD5 && isc_buffer_usedlength(target) < 19) return (ISC_R_UNEXPECTEDEND); return (ISC_R_SUCCESS); }
int main(int argc, char **argv) { char *algname = NULL, *nametype = NULL, *type = NULL; char *classname = NULL; char *endp; dst_key_t *key = NULL, *oldkey; dns_fixedname_t fname; dns_name_t *name; isc_uint16_t flags = 0, ksk = 0; dns_secalg_t alg; isc_boolean_t null_key = ISC_FALSE; isc_mem_t *mctx = NULL; int ch; int protocol = -1, signatory = 0; isc_result_t ret; isc_textregion_t r; char filename[255]; isc_buffer_t buf; isc_log_t *log = NULL; isc_entropy_t *ectx = NULL; dns_rdataclass_t rdclass; int options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC; char *label = NULL; if (argc == 1) usage(); RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS); dns_result_register(); isc_commandline_errprint = ISC_FALSE; while ((ch = isc_commandline_parse(argc, argv, "a:c:f:kl:n:p:t:v:h")) != -1) { switch (ch) { case 'a': algname = isc_commandline_argument; break; case 'c': classname = isc_commandline_argument; break; case 'f': if (strcasecmp(isc_commandline_argument, "KSK") == 0) ksk = DNS_KEYFLAG_KSK; else fatal("unknown flag '%s'", isc_commandline_argument); break; case 'k': options |= DST_TYPE_KEY; break; case 'l': label = isc_commandline_argument; break; case 'n': nametype = isc_commandline_argument; 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 't': type = isc_commandline_argument; break; case 'v': verbose = strtol(isc_commandline_argument, &endp, 0); if (*endp != '\0') fatal("-v must be followed by a number"); break; case '?': if (isc_commandline_option != '?') fprintf(stderr, "%s: invalid argument -%c\n", program, isc_commandline_option); case 'h': usage(); default: fprintf(stderr, "%s: unhandled option -%c\n", program, isc_commandline_option); exit(1); } } if (ectx == NULL) setup_entropy(mctx, NULL, &ectx); ret = dst_lib_init(mctx, ectx, ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); if (ret != ISC_R_SUCCESS) fatal("could not initialize dst"); setup_logging(verbose, mctx, &log); if (label == NULL) fatal("the key label was not specified"); if (argc < isc_commandline_index + 1) fatal("the key name was not specified"); if (argc > isc_commandline_index + 1) fatal("extraneous arguments"); if (algname == NULL) fatal("no algorithm was specified"); if (strcasecmp(algname, "RSA") == 0) { fprintf(stderr, "The use of RSA (RSAMD5) is not recommended.\n" "If you still wish to use RSA (RSAMD5) please " "specify \"-a RSAMD5\"\n"); return (1); } 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 (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); } else if (strcasecmp(type, "AUTHCONF") == 0) /* nothing */; else fatal("invalid type %s", type); } if (nametype == NULL) { if ((options & DST_TYPE_KEY) != 0) /* KEY */ 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 */ 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 ((options & DST_TYPE_KEY) != 0) /* KEY */ flags |= signatory; else if ((flags & DNS_KEYOWNER_ZONE) != 0) /* DNSKEY */ flags |= ksk; 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 ((flags & DNS_KEYFLAG_SIGNATORYMASK) != 0) fatal("specified null key with signing authority"); } if ((flags & DNS_KEYFLAG_OWNERMASK) == DNS_KEYOWNER_ZONE && alg == DNS_KEYALG_DH) fatal("a key with algorithm '%s' cannot be a zone key", algname); 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, ISC_FALSE, NULL); if (ret != ISC_R_SUCCESS) fatal("invalid key name %s: %s", argv[isc_commandline_index], isc_result_totext(ret)); if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY) null_key = ISC_TRUE; isc_buffer_init(&buf, filename, sizeof(filename) - 1); /* associate the key */ ret = dst_key_fromlabel(name, alg, flags, protocol, rdclass, "", label, NULL, mctx, &key); isc_entropy_stopcallbacksources(ectx); if (ret != ISC_R_SUCCESS) { char namestr[DNS_NAME_FORMATSIZE]; char algstr[ALG_FORMATSIZE]; dns_name_format(name, namestr, sizeof(namestr)); alg_format(alg, algstr, sizeof(algstr)); fatal("failed to generate key %s/%s: %s\n", namestr, algstr, isc_result_totext(ret)); exit(-1); } /* * Try to read a key with the same name, alg and id from disk. * If there is one we must continue generating a new one * unless we were asked to generate a null key, in which * case we return failure. */ ret = dst_key_fromfile(name, dst_key_id(key), alg, DST_TYPE_PRIVATE, NULL, mctx, &oldkey); /* do not overwrite an existing key */ if (ret == ISC_R_SUCCESS) { isc_buffer_clear(&buf); ret = dst_key_buildfilename(key, 0, NULL, &buf); fprintf(stderr, "%s: %s already exists\n", program, filename); dst_key_free(&key); exit (1); } ret = dst_key_tofile(key, options, NULL); if (ret != ISC_R_SUCCESS) { char keystr[KEY_FORMATSIZE]; 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); printf("%s\n", filename); dst_key_free(&key); cleanup_logging(&log); cleanup_entropy(&ectx); dst_lib_destroy(); dns_name_destroy(); if (verbose > 10) isc_mem_stats(mctx, stdout); isc_mem_destroy(&mctx); return (0); }
static void set_key(dns_client_t *client, char *keynamestr, char *keystr, isc_boolean_t is_sep, isc_mem_t **mctxp) { isc_result_t result; dns_fixedname_t fkeyname; size_t namelen; dns_name_t *keyname; dns_rdata_dnskey_t keystruct; unsigned char keydata[4096]; isc_buffer_t keydatabuf; unsigned char rrdata[4096]; isc_buffer_t rrdatabuf; isc_buffer_t b; isc_textregion_t tr; isc_region_t r; dns_secalg_t alg; result = isc_mem_create(0, 0, mctxp); if (result != ISC_R_SUCCESS) { fprintf(stderr, "failed to crate mctx\n"); exit(1); } if (algname != NULL) { tr.base = algname; tr.length = strlen(algname); result = dns_secalg_fromtext(&alg, &tr); if (result != ISC_R_SUCCESS) { fprintf(stderr, "failed to identify the algorithm\n"); exit(1); } } else alg = DNS_KEYALG_RSASHA1; keystruct.common.rdclass = dns_rdataclass_in; keystruct.common.rdtype = dns_rdatatype_dnskey; keystruct.flags = DNS_KEYOWNER_ZONE; /* fixed */ if (is_sep) keystruct.flags |= DNS_KEYFLAG_KSK; keystruct.protocol = DNS_KEYPROTO_DNSSEC; /* fixed */ keystruct.algorithm = alg; isc_buffer_init(&keydatabuf, keydata, sizeof(keydata)); isc_buffer_init(&rrdatabuf, rrdata, sizeof(rrdata)); result = isc_base64_decodestring(keystr, &keydatabuf); if (result != ISC_R_SUCCESS) { fprintf(stderr, "base64 decode failed\n"); exit(1); } isc_buffer_usedregion(&keydatabuf, &r); keystruct.datalen = r.length; keystruct.data = r.base; result = dns_rdata_fromstruct(NULL, keystruct.common.rdclass, keystruct.common.rdtype, &keystruct, &rrdatabuf); if (result != ISC_R_SUCCESS) { fprintf(stderr, "failed to construct key rdata\n"); exit(1); } namelen = strlen(keynamestr); isc_buffer_init(&b, keynamestr, namelen); isc_buffer_add(&b, namelen); dns_fixedname_init(&fkeyname); keyname = dns_fixedname_name(&fkeyname); result = dns_name_fromtext(keyname, &b, dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) { fprintf(stderr, "failed to construct key name\n"); exit(1); } result = dns_client_addtrustedkey(client, dns_rdataclass_in, keyname, &rrdatabuf); if (result != ISC_R_SUCCESS) { fprintf(stderr, "failed to add key for %s\n", keynamestr); exit(1); } }