bdb_lookup(const char *zone, const char *name, void *dbdata,
dns_sdblookup_t *l)
#endif /* DNS_CLIENTINFO_VERSION */
{
int ret;
char *type, *rdata;
dns_ttl_t ttl;
isc_consttextregion_t ttltext;
DBC *c;
DBT key, data;
UNUSED(zone);
#ifdef DNS_CLIENTINFO_VERSION
UNUSED(methods);
UNUSED(clientinfo);
#endif /* DNS_CLIENTINFO_VERSION */
if ((ret = ((DB *)dbdata)->cursor((DB *)dbdata, NULL, &c, 0)) != 0) {
isc_log_iwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_SDB, ISC_LOG_ERROR,
isc_msgcat, ISC_MSGSET_GENERAL,
ISC_MSG_FAILED, "DB->cursor: %s",
db_strerror(ret));
return ISC_R_FAILURE;
}
memset(&key, 0, sizeof(DBT));
memset(&data, 0, sizeof(DBT));
(const char *)key.data = name;
key.size = strlen(name);
ret = c->c_get(c, &key, &data, DB_SET);
while (ret == 0) {
((char *)key.data)[key.size] = 0;
((char *)data.data)[data.size] = 0;
ttltext.base = strtok((char *)data.data, " ");
ttltext.length = strlen(ttltext.base);
dns_ttl_fromtext((isc_textregion_t *)&ttltext, &ttl);
type = strtok(NULL, " ");
rdata = type + strlen(type) + 1;
if (dns_sdb_putrr(l, type, ttl, rdata) != ISC_R_SUCCESS) {
isc_log_iwrite(dns_lctx,
DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_SDB, ISC_LOG_ERROR,
isc_msgcat, ISC_MSGSET_GENERAL,
ISC_MSG_FAILED, "dns_sdb_putrr");
return ISC_R_FAILURE;
}
ret = c->c_get(c, &key, &data, DB_NEXT_DUP);
}
c->c_close(c);
return ISC_R_SUCCESS;
}
static isc_result_t
bdb_allnodes(const char *zone, void *dbdata, dns_sdballnodes_t *n)
{
int ret;
char *type, *rdata;
dns_ttl_t ttl;
isc_consttextregion_t ttltext;
DBC *c;
DBT key, data;
UNUSED(zone);
if ((ret = ((DB *)dbdata)->cursor((DB *)dbdata, NULL, &c, 0)) != 0) {
isc_log_iwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_SDB, ISC_LOG_ERROR,
isc_msgcat, ISC_MSGSET_GENERAL,
ISC_MSG_FAILED, "DB->cursor: %s",
db_strerror(ret));
return ISC_R_FAILURE;
}
memset(&key, 0, sizeof(DBT));
memset(&data, 0, sizeof(DBT));
while (c->c_get(c, &key, &data, DB_NEXT) == 0) {
((char *)key.data)[key.size] = 0;
((char *)data.data)[data.size] = 0;
ttltext.base = strtok((char *)data.data, " ");
ttltext.length = strlen(ttltext.base);
dns_ttl_fromtext((isc_textregion_t *)&ttltext, &ttl);
type = strtok(NULL, " ");
rdata = type + strlen(type) + 1;
if (dns_sdb_putnamedrr(n, key.data, type, ttl, rdata) !=
ISC_R_SUCCESS) {
isc_log_iwrite(dns_lctx,
DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_SDB, ISC_LOG_ERROR,
isc_msgcat, ISC_MSGSET_GENERAL,
ISC_MSG_FAILED, "dns_sdb_putnamedrr");
return ISC_R_FAILURE;
}
}
c->c_close(c);
return ISC_R_SUCCESS;
}
/*%
* Reads a public key from disk
*/
isc_result_t
dst_key_read_public(const char *filename, int type,
isc_mem_t *mctx, dst_key_t **keyp)
{
u_char rdatabuf[DST_KEY_MAXSIZE];
isc_buffer_t b;
dns_fixedname_t name;
isc_lex_t *lex = NULL;
isc_token_t token;
isc_result_t ret;
dns_rdata_t rdata = DNS_RDATA_INIT;
unsigned int opt = ISC_LEXOPT_DNSMULTILINE;
dns_rdataclass_t rdclass = dns_rdataclass_in;
isc_lexspecials_t specials;
isc_uint32_t ttl = 0;
isc_result_t result;
dns_rdatatype_t keytype;
/*
* Open the file and read its formatted contents
* File format:
* domain.name [ttl] [class] [KEY|DNSKEY] <flags> <protocol> <algorithm> <key>
*/
/* 1500 should be large enough for any key */
ret = isc_lex_create(mctx, 1500, &lex);
if (ret != ISC_R_SUCCESS)
goto cleanup;
memset(specials, 0, sizeof(specials));
specials['('] = 1;
specials[')'] = 1;
specials['"'] = 1;
isc_lex_setspecials(lex, specials);
isc_lex_setcomments(lex, ISC_LEXCOMMENT_DNSMASTERFILE);
ret = isc_lex_openfile(lex, filename);
if (ret != ISC_R_SUCCESS)
goto cleanup;
#define NEXTTOKEN(lex, opt, token) { \
ret = isc_lex_gettoken(lex, opt, token); \
if (ret != ISC_R_SUCCESS) \
goto cleanup; \
}
#define BADTOKEN() { \
ret = ISC_R_UNEXPECTEDTOKEN; \
goto cleanup; \
}
/* Read the domain name */
NEXTTOKEN(lex, opt, &token);
if (token.type != isc_tokentype_string)
BADTOKEN();
/*
* We don't support "@" in .key files.
*/
if (!strcmp(DST_AS_STR(token), "@"))
BADTOKEN();
dns_fixedname_init(&name);
isc_buffer_init(&b, DST_AS_STR(token), strlen(DST_AS_STR(token)));
isc_buffer_add(&b, strlen(DST_AS_STR(token)));
ret = dns_name_fromtext(dns_fixedname_name(&name), &b, dns_rootname,
0, NULL);
if (ret != ISC_R_SUCCESS)
goto cleanup;
/* Read the next word: either TTL, class, or 'KEY' */
NEXTTOKEN(lex, opt, &token);
if (token.type != isc_tokentype_string)
BADTOKEN();
/* If it's a TTL, read the next one */
result = dns_ttl_fromtext(&token.value.as_textregion, &ttl);
if (result == ISC_R_SUCCESS)
NEXTTOKEN(lex, opt, &token);
if (token.type != isc_tokentype_string)
BADTOKEN();
ret = dns_rdataclass_fromtext(&rdclass, &token.value.as_textregion);
if (ret == ISC_R_SUCCESS)
NEXTTOKEN(lex, opt, &token);
if (token.type != isc_tokentype_string)
BADTOKEN();
if (strcasecmp(DST_AS_STR(token), "DNSKEY") == 0)
keytype = dns_rdatatype_dnskey;
else if (strcasecmp(DST_AS_STR(token), "KEY") == 0)
keytype = dns_rdatatype_key; /*%< SIG(0), TKEY */
else
BADTOKEN();
if (((type & DST_TYPE_KEY) != 0 && keytype != dns_rdatatype_key) ||
((type & DST_TYPE_KEY) == 0 && keytype != dns_rdatatype_dnskey)) {
ret = DST_R_BADKEYTYPE;
goto cleanup;
}
isc_buffer_init(&b, rdatabuf, sizeof(rdatabuf));
ret = dns_rdata_fromtext(&rdata, rdclass, keytype, lex, NULL,
ISC_FALSE, mctx, &b, NULL);
if (ret != ISC_R_SUCCESS)
goto cleanup;
ret = dst_key_fromdns(dns_fixedname_name(&name), rdclass, &b, mctx,
keyp);
if (ret != ISC_R_SUCCESS)
goto cleanup;
dst_key_setttl(*keyp, ttl);
cleanup:
if (lex != NULL)
isc_lex_destroy(&lex);
return (ret);
}
