mirror of
https://gitlab.isc.org/isc-projects/bind9
synced 2025-08-31 06:25:31 +00:00
fail if using both dnssec-keys and managed-keys in the same config
This commit is contained in:
@@ -3247,108 +3247,214 @@ check_trusted_key(const cfg_obj_t *key, bool managed,
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return (result);
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}
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/*
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* Check for conflicts between trusted-keys and managed-keys.
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*/
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static isc_result_t
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check_ta_conflicts(const cfg_obj_t *mkeys, const cfg_obj_t *tkeys,
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bool autovalidation, isc_mem_t *mctx, isc_log_t *logctx)
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record_static_keys(isc_symtab_t *symtab, const cfg_obj_t *keylist,
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isc_log_t *logctx, bool autovalidation)
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{
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isc_result_t result = ISC_R_SUCCESS, tresult;
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const cfg_listelt_t *elt = NULL, *elt2 = NULL;
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isc_result_t result, ret = ISC_R_SUCCESS;
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const cfg_listelt_t *elt;
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dns_fixedname_t fixed;
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dns_name_t *name;
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const cfg_obj_t *obj;
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const char *str;
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isc_symtab_t *symtab = NULL;
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isc_symvalue_t symvalue;
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char namebuf[DNS_NAME_FORMATSIZE];
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const char *file;
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unsigned int line;
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name = dns_fixedname_initname(&fixed);
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for (elt = cfg_list_first(keylist);
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elt != NULL;
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elt = cfg_list_next(elt))
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{
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const char *initmethod;
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const cfg_obj_t *init = NULL;
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const cfg_obj_t *obj = cfg_listelt_value(elt);
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const char *str = cfg_obj_asstring(cfg_tuple_get(obj, "name"));
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isc_symvalue_t symvalue;
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result = dns_name_fromstring(name, str, 0, NULL);
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if (result != ISC_R_SUCCESS) {
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continue;
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}
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init = cfg_tuple_get(obj, "init");
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if (!cfg_obj_isvoid(init)) {
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initmethod = cfg_obj_asstring(init);
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if (strcasecmp(initmethod, "initial-key") == 0) {
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/* initializing key, skip it */
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continue;
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}
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}
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dns_name_format(name, namebuf, sizeof(namebuf));
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symvalue.as_cpointer = obj;
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result = isc_symtab_define(symtab, namebuf, 1, symvalue,
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isc_symexists_reject);
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if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) {
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continue;
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}
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if (autovalidation && dns_name_equal(name, dns_rootname)) {
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cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
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"static key for root zone "
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"cannot be used with "
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"'dnssec-validation auto'.");
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ret = ISC_R_FAILURE;
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continue;
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}
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}
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return (ret);
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}
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static isc_result_t
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check_initializing_keys(isc_symtab_t *symtab, const cfg_obj_t *keylist,
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isc_log_t *logctx)
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{
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isc_result_t result, ret = ISC_R_SUCCESS;
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const cfg_listelt_t *elt;
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dns_fixedname_t fixed;
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dns_name_t *name;
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char namebuf[DNS_NAME_FORMATSIZE];
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name = dns_fixedname_initname(&fixed);
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for (elt = cfg_list_first(keylist);
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elt != NULL;
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elt = cfg_list_next(elt))
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{
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const cfg_obj_t *obj = cfg_listelt_value(elt);
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const cfg_obj_t *init = NULL;
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const char *str;
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isc_symvalue_t symvalue;
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init = cfg_tuple_get(obj, "init");
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if (cfg_obj_isvoid(init) ||
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strcasecmp(cfg_obj_asstring(init), "static-key") == 0)
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{
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/* static key, skip it */
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continue;
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}
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str = cfg_obj_asstring(cfg_tuple_get(obj, "name"));
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result = dns_name_fromstring(name, str, 0, NULL);
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if (result != ISC_R_SUCCESS) {
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continue;
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}
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dns_name_format(name, namebuf, sizeof(namebuf));
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result = isc_symtab_lookup(symtab, namebuf, 1, &symvalue);
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if (result == ISC_R_SUCCESS) {
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const char *file = cfg_obj_file(symvalue.as_cpointer);
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unsigned int line = cfg_obj_line(symvalue.as_cpointer);
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if (file == NULL) {
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file = "<unknown file>";
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}
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cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
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"static and initializing keys "
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"cannot be used for the "
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"same domain. "
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"static key defined at "
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"%s:%u", file, line);
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ret = ISC_R_FAILURE;
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}
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}
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return (ret);
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}
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/*
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* Check for conflicts between static and initialiizing keys.
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*/
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static isc_result_t
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check_ta_conflicts(const cfg_obj_t *global_dkeys, const cfg_obj_t *view_dkeys,
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const cfg_obj_t *global_tkeys, const cfg_obj_t *view_tkeys,
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bool autovalidation, isc_mem_t *mctx, isc_log_t *logctx)
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{
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isc_result_t result, tresult;
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const cfg_listelt_t *elt = NULL;
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const cfg_obj_t *keylist = NULL;
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isc_symtab_t *symtab = NULL;
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result = isc_symtab_create(mctx, 100, NULL, NULL, false, &symtab);
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if (result != ISC_R_SUCCESS) {
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goto cleanup;
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}
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for (elt = cfg_list_first(mkeys);
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/*
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* First we record all the static keys (i.e., old-style
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* trusted-keys and dnssec-keys configured with "static-key")
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*/
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for (elt = cfg_list_first(global_dkeys);
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elt != NULL;
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elt = cfg_list_next(elt))
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{
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const cfg_obj_t *keylist = cfg_listelt_value(elt);
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for (elt2 = cfg_list_first(keylist);
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elt2 != NULL;
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elt2 = cfg_list_next(elt2))
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{
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obj = cfg_listelt_value(elt2);
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str = cfg_obj_asstring(cfg_tuple_get(obj, "name"));
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tresult = dns_name_fromstring(name, str, 0, NULL);
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if (tresult != ISC_R_SUCCESS) {
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/* already reported */
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continue;
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}
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dns_name_format(name, namebuf, sizeof(namebuf));
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symvalue.as_cpointer = obj;
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tresult = isc_symtab_define(symtab, namebuf, 1,
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symvalue,
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isc_symexists_reject);
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if (tresult != ISC_R_SUCCESS &&
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tresult != ISC_R_EXISTS)
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{
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result = tresult;
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continue;
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}
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keylist = cfg_listelt_value(elt);
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tresult = record_static_keys(symtab, keylist,
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logctx, autovalidation);
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if (result == ISC_R_SUCCESS) {
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result = tresult;
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}
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}
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for (elt = cfg_list_first(tkeys);
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for (elt = cfg_list_first(view_dkeys);
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elt != NULL;
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elt = cfg_list_next(elt))
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{
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const cfg_obj_t *keylist = cfg_listelt_value(elt);
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for (elt2 = cfg_list_first(keylist);
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elt2 != NULL;
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elt2 = cfg_list_next(elt2))
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{
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obj = cfg_listelt_value(elt2);
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str = cfg_obj_asstring(cfg_tuple_get(obj, "name"));
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result = dns_name_fromstring(name, str, 0, NULL);
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if (result != ISC_R_SUCCESS) {
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/* already reported */
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continue;
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}
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keylist = cfg_listelt_value(elt);
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tresult = record_static_keys(symtab, keylist,
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logctx, autovalidation);
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if (result == ISC_R_SUCCESS) {
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result = tresult;
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}
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}
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if (autovalidation &&
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dns_name_equal(name, dns_rootname))
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{
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cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
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"trusted-keys for root zone "
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"cannot be used with "
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"'dnssec-validation auto'.");
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result = ISC_R_FAILURE;
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continue;
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}
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for (elt = cfg_list_first(global_tkeys);
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elt != NULL;
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elt = cfg_list_next(elt))
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{
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keylist = cfg_listelt_value(elt);
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tresult = record_static_keys(symtab, keylist,
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logctx, autovalidation);
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if (result == ISC_R_SUCCESS) {
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result = tresult;
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}
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}
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dns_name_format(name, namebuf, sizeof(namebuf));
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tresult = isc_symtab_lookup(symtab, namebuf, 1,
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&symvalue);
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if (tresult == ISC_R_SUCCESS) {
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file = cfg_obj_file(symvalue.as_cpointer);
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line = cfg_obj_line(symvalue.as_cpointer);
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if (file == NULL) {
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file = "<unknown file>";
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}
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cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
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"trusted-keys and managed-keys "
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"cannot be used for the "
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"same name. managed-key defined "
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"(%s:%u)", file, line);
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for (elt = cfg_list_first(view_tkeys);
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elt != NULL;
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elt = cfg_list_next(elt))
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{
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keylist = cfg_listelt_value(elt);
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tresult = record_static_keys(symtab, keylist,
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logctx, autovalidation);
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if (result == ISC_R_SUCCESS) {
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result = tresult;
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}
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}
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result = ISC_R_FAILURE;
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}
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/*
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* Next, ensure that there's no conflict between the
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* static keys and the dnssec-keys configured with "initial-key"
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*/
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for (elt = cfg_list_first(global_dkeys);
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elt != NULL;
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elt = cfg_list_next(elt))
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{
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keylist = cfg_listelt_value(elt);
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tresult = check_initializing_keys(symtab, keylist, logctx);
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if (result == ISC_R_SUCCESS) {
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result = tresult;
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}
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}
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for (elt = cfg_list_first(view_dkeys);
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elt != NULL;
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elt = cfg_list_next(elt))
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{
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keylist = cfg_listelt_value(elt);
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tresult = check_initializing_keys(symtab, keylist, logctx);
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if (result == ISC_R_SUCCESS) {
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result = tresult;
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}
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}
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@@ -3500,7 +3606,11 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions,
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isc_log_t *logctx, isc_mem_t *mctx)
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{
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const cfg_obj_t *zones = NULL;
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const cfg_obj_t *keys = NULL, *tkeys = NULL, *mkeys = NULL;
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const cfg_obj_t *view_tkeys = NULL, *global_tkeys = NULL;
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const cfg_obj_t *view_mkeys = NULL, *global_mkeys = NULL;
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const cfg_obj_t *view_dkeys = NULL, *global_dkeys = NULL;
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const cfg_obj_t *check_keys[2] = { NULL, NULL };
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const cfg_obj_t *keys = NULL;
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#ifndef HAVE_DLOPEN
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const cfg_obj_t *dyndb = NULL;
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#endif
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@@ -3514,9 +3624,8 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions,
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const cfg_obj_t *opts = NULL;
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const cfg_obj_t *plugin_list = NULL;
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bool autovalidation = false;
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bool enablednssec, enablevalidation;
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const char *valstr = "no";
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unsigned int tflags = 0, dflags = 0, mflags = 0;
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unsigned int tflags = 0, dflags = 0;
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int i;
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/*
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* Get global options block
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@@ -3667,167 +3776,160 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions,
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isc_symtab_destroy(&symtab);
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/*
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* Check trusted-keys and dnssec-keys/managed-keys.
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* Load all DNSSEC keys.
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*/
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tkeys = NULL;
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if (voptions != NULL) {
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(void)cfg_map_get(voptions, "trusted-keys", &tkeys);
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}
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if (tkeys == NULL) {
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(void)cfg_map_get(config, "trusted-keys", &tkeys);
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(void)cfg_map_get(voptions, "trusted-keys", &view_tkeys);
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(void)cfg_map_get(voptions, "dnssec-keys", &view_dkeys);
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(void)cfg_map_get(voptions, "managed-keys", &view_mkeys);
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}
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(void)cfg_map_get(config, "trusted-keys", &global_tkeys);
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(void)cfg_map_get(config, "dnssec-keys", &global_dkeys);
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(void)cfg_map_get(config, "managed-keys", &global_mkeys);
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for (element = cfg_list_first(tkeys);
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element != NULL;
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element = cfg_list_next(element))
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{
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const cfg_obj_t *keylist = cfg_listelt_value(element);
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for (element2 = cfg_list_first(keylist);
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element2 != NULL;
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element2 = cfg_list_next(element2))
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{
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obj = cfg_listelt_value(element2);
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tresult = check_trusted_key(obj, false,
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&tflags, logctx);
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if (tresult != ISC_R_SUCCESS) {
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result = tresult;
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/*
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* Check trusted-keys.
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*/
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check_keys[0] = view_tkeys;
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check_keys[1] = global_tkeys;
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for (i = 0; i < 2; i++) {
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if (check_keys[i] != NULL) {
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unsigned int flags = 0;
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for (element = cfg_list_first(check_keys[i]);
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element != NULL;
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element = cfg_list_next(element))
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{
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const cfg_obj_t *keylist =
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cfg_listelt_value(element);
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for (element2 = cfg_list_first(keylist);
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element2 != NULL;
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element2 = cfg_list_next(element2))
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{
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obj = cfg_listelt_value(element2);
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tresult = check_trusted_key(obj,
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false,
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&flags,
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logctx);
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if (tresult != ISC_R_SUCCESS) {
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result = tresult;
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}
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}
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}
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if ((flags & ROOT_KSK_STATIC) != 0) {
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cfg_obj_log(check_keys[i], logctx,
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ISC_LOG_WARNING,
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"trusted-keys entry for the root "
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"zone WILL FAIL after key "
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"rollover - use dnssec-keys "
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"with initial-key instead.");
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}
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if ((flags & DLV_KSK_KEY) != 0) {
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cfg_obj_log(check_keys[i], logctx,
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ISC_LOG_WARNING,
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"trust anchor for dlv.isc.org "
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"is present; dlv.isc.org has "
|
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"been shut down");
|
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}
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tflags |= flags;
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}
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}
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if ((tflags & ROOT_KSK_STATIC) != 0) {
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cfg_obj_log(tkeys, logctx, ISC_LOG_WARNING,
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"trusted-keys entry for the root zone "
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"WILL FAIL after key rollover - use "
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"dnssec-keys with initial-key instead.");
|
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}
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if ((tflags & DLV_KSK_KEY) != 0) {
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cfg_obj_log(tkeys, logctx, ISC_LOG_WARNING,
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"trust anchor for dlv.isc.org is present; "
|
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"dlv.isc.org has been shut down");
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}
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keys = NULL;
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if (voptions != NULL) {
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(void)cfg_map_get(voptions, "dnssec-keys", &keys);
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}
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if (keys == NULL) {
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(void)cfg_map_get(config, "dnssec-keys", &keys);
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}
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for (element = cfg_list_first(keys);
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element != NULL;
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element = cfg_list_next(element))
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/*
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* Check dnssec/managed-keys. (Only one or the other can be used.)
|
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*/
|
||||
if ((view_mkeys != NULL || global_mkeys != NULL) &&
|
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(view_dkeys != NULL || global_dkeys != NULL))
|
||||
{
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||||
const cfg_obj_t *keylist = cfg_listelt_value(element);
|
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for (element2 = cfg_list_first(keylist);
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element2 != NULL;
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element2 = cfg_list_next(element2))
|
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{
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obj = cfg_listelt_value(element2);
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tresult = check_trusted_key(obj, true, &dflags,
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logctx);
|
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if (tresult != ISC_R_SUCCESS) {
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result = tresult;
|
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keys = (view_mkeys != NULL) ? view_mkeys : global_mkeys;
|
||||
|
||||
cfg_obj_log(keys, logctx, ISC_LOG_ERROR,
|
||||
"use of managed-keys is not allowed when "
|
||||
"dnssec-keys is also in use");
|
||||
result = ISC_R_FAILURE;
|
||||
|
||||
}
|
||||
|
||||
if (view_dkeys == NULL && global_dkeys == NULL) {
|
||||
view_dkeys = view_mkeys;
|
||||
global_dkeys = global_mkeys;
|
||||
}
|
||||
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check_keys[0] = view_dkeys;
|
||||
check_keys[1] = global_dkeys;
|
||||
for (i = 0; i < 2; i++) {
|
||||
if (check_keys[i] != NULL) {
|
||||
unsigned int flags = 0;
|
||||
|
||||
for (element = cfg_list_first(check_keys[i]);
|
||||
element != NULL;
|
||||
element = cfg_list_next(element))
|
||||
{
|
||||
const cfg_obj_t *keylist =
|
||||
cfg_listelt_value(element);
|
||||
for (element2 = cfg_list_first(keylist);
|
||||
element2 != NULL;
|
||||
element2 = cfg_list_next(element2))
|
||||
{
|
||||
obj = cfg_listelt_value(element2);
|
||||
tresult = check_trusted_key(obj,
|
||||
true,
|
||||
&flags,
|
||||
logctx);
|
||||
if (tresult != ISC_R_SUCCESS) {
|
||||
result = tresult;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ((flags & ROOT_KSK_STATIC) != 0) {
|
||||
cfg_obj_log(check_keys[i], logctx,
|
||||
ISC_LOG_WARNING,
|
||||
"static-key entry for the root "
|
||||
"zone WILL FAIL after key "
|
||||
"rollover - use dnssec-keys "
|
||||
"with initial-key instead.");
|
||||
}
|
||||
|
||||
if ((flags & ROOT_KSK_2010) != 0 &&
|
||||
(flags & ROOT_KSK_2017) == 0)
|
||||
{
|
||||
cfg_obj_log(check_keys[i], logctx,
|
||||
ISC_LOG_WARNING,
|
||||
"initial-key entry for the root "
|
||||
"zone uses the 2010 key without "
|
||||
"the updated 2017 key");
|
||||
}
|
||||
|
||||
if ((flags & DLV_KSK_KEY) != 0) {
|
||||
cfg_obj_log(check_keys[i], logctx,
|
||||
ISC_LOG_WARNING,
|
||||
"trust anchor for dlv.isc.org "
|
||||
"is present; dlv.isc.org has "
|
||||
"been shut down");
|
||||
}
|
||||
|
||||
dflags |= flags;
|
||||
}
|
||||
}
|
||||
|
||||
if ((dflags & ROOT_KSK_STATIC) != 0) {
|
||||
cfg_obj_log(keys, logctx, ISC_LOG_WARNING,
|
||||
"static-key entry for the root zone "
|
||||
"WILL FAIL after key rollover - use "
|
||||
"dnssec-keys with initial-key instead.");
|
||||
}
|
||||
|
||||
if ((dflags & ROOT_KSK_2010) != 0 && (dflags & ROOT_KSK_2017) == 0) {
|
||||
cfg_obj_log(keys, logctx, ISC_LOG_WARNING,
|
||||
"initial-key entry for the root zone "
|
||||
"uses the 2010 key without the updated "
|
||||
"2017 key");
|
||||
}
|
||||
|
||||
if ((tflags & ROOT_KSK_ANY) != 0 && (dflags & ROOT_KSK_ANY) != 0) {
|
||||
keys = (view_dkeys != NULL) ? view_dkeys : global_dkeys;
|
||||
cfg_obj_log(keys, logctx, ISC_LOG_WARNING,
|
||||
"both trusted-keys and dnssec-keys "
|
||||
"for the root zone are present");
|
||||
}
|
||||
|
||||
if ((dflags & ROOT_KSK_ANY) == ROOT_KSK_ANY) {
|
||||
keys = (view_dkeys != NULL) ? view_dkeys : global_dkeys;
|
||||
cfg_obj_log(keys, logctx, ISC_LOG_WARNING,
|
||||
"both initial-key and static-key entries for the "
|
||||
"root zone are present");
|
||||
}
|
||||
|
||||
if ((dflags & DLV_KSK_KEY) != 0) {
|
||||
cfg_obj_log(keys, logctx, ISC_LOG_WARNING,
|
||||
"trust anchor for dlv.isc.org is present; "
|
||||
"dlv.isc.org has been shut down");
|
||||
}
|
||||
|
||||
/*
|
||||
* "managed-keys" is a backward-compatible synonym for
|
||||
* "dnssec-keys"; perform the same checks.
|
||||
*/
|
||||
mkeys = NULL;
|
||||
if (voptions != NULL) {
|
||||
(void)cfg_map_get(voptions, "managed-keys", &mkeys);
|
||||
}
|
||||
if (mkeys == NULL) {
|
||||
(void)cfg_map_get(config, "managed-keys", &mkeys);
|
||||
}
|
||||
|
||||
for (element = cfg_list_first(mkeys);
|
||||
element != NULL;
|
||||
element = cfg_list_next(element))
|
||||
{
|
||||
const cfg_obj_t *keylist = cfg_listelt_value(element);
|
||||
for (element2 = cfg_list_first(keylist);
|
||||
element2 != NULL;
|
||||
element2 = cfg_list_next(element2))
|
||||
{
|
||||
obj = cfg_listelt_value(element2);
|
||||
tresult = check_trusted_key(obj, true, &mflags,
|
||||
logctx);
|
||||
if (tresult != ISC_R_SUCCESS) {
|
||||
result = tresult;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ((mflags & ROOT_KSK_STATIC) != 0) {
|
||||
cfg_obj_log(mkeys, logctx, ISC_LOG_WARNING,
|
||||
"static-key entry for the root zone "
|
||||
"WILL FAIL after key rollover - use "
|
||||
"dnssec-keys with initial-key instead.");
|
||||
}
|
||||
|
||||
if ((mflags & ROOT_KSK_2010) != 0 && (mflags & ROOT_KSK_2017) == 0) {
|
||||
cfg_obj_log(mkeys, logctx, ISC_LOG_WARNING,
|
||||
"initial-key entry for the root zone "
|
||||
"uses the 2010 key without the updated "
|
||||
"2017 key");
|
||||
}
|
||||
|
||||
if ((tflags & ROOT_KSK_ANY) != 0 && (mflags & ROOT_KSK_ANY) != 0) {
|
||||
cfg_obj_log(mkeys, logctx, ISC_LOG_WARNING,
|
||||
"both trusted-keys and managed-keys "
|
||||
"for the root zone are present");
|
||||
}
|
||||
|
||||
if ((mflags & ROOT_KSK_ANY) == ROOT_KSK_ANY) {
|
||||
cfg_obj_log(mkeys, logctx, ISC_LOG_WARNING,
|
||||
"both initial-key and static-key entries for the "
|
||||
"root zone are present");
|
||||
}
|
||||
|
||||
if ((mflags & DLV_KSK_KEY) != 0) {
|
||||
cfg_obj_log(mkeys, logctx, ISC_LOG_WARNING,
|
||||
"trust anchor for dlv.isc.org is present; "
|
||||
"dlv.isc.org has been shut down");
|
||||
}
|
||||
|
||||
obj = NULL;
|
||||
if (voptions != NULL) {
|
||||
(void)cfg_map_get(voptions, "dnssec-validation", &obj);
|
||||
@@ -3839,7 +3941,8 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions,
|
||||
autovalidation = true;
|
||||
}
|
||||
|
||||
tresult = check_ta_conflicts(mkeys, tkeys,
|
||||
tresult = check_ta_conflicts(global_dkeys, view_dkeys,
|
||||
global_tkeys, view_tkeys,
|
||||
autovalidation, mctx, logctx);
|
||||
if (tresult != ISC_R_SUCCESS) {
|
||||
result = tresult;
|
||||
@@ -3848,31 +3951,37 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions,
|
||||
/*
|
||||
* Check options.
|
||||
*/
|
||||
if (voptions != NULL)
|
||||
if (voptions != NULL) {
|
||||
tresult = check_options(voptions, logctx, mctx,
|
||||
optlevel_view);
|
||||
else
|
||||
} else {
|
||||
tresult = check_options(config, logctx, mctx,
|
||||
optlevel_config);
|
||||
if (tresult != ISC_R_SUCCESS)
|
||||
}
|
||||
if (tresult != ISC_R_SUCCESS) {
|
||||
result = tresult;
|
||||
}
|
||||
|
||||
tresult = check_viewacls(actx, voptions, config, logctx, mctx);
|
||||
if (tresult != ISC_R_SUCCESS)
|
||||
if (tresult != ISC_R_SUCCESS) {
|
||||
result = tresult;
|
||||
}
|
||||
|
||||
tresult = check_recursionacls(actx, voptions, viewname,
|
||||
config, logctx, mctx);
|
||||
if (tresult != ISC_R_SUCCESS)
|
||||
if (tresult != ISC_R_SUCCESS) {
|
||||
result = tresult;
|
||||
}
|
||||
|
||||
tresult = check_dns64(actx, voptions, config, logctx, mctx);
|
||||
if (tresult != ISC_R_SUCCESS)
|
||||
if (tresult != ISC_R_SUCCESS) {
|
||||
result = tresult;
|
||||
}
|
||||
|
||||
tresult = check_ratelimit(actx, voptions, config, logctx, mctx);
|
||||
if (tresult != ISC_R_SUCCESS)
|
||||
if (tresult != ISC_R_SUCCESS) {
|
||||
result = tresult;
|
||||
}
|
||||
|
||||
/*
|
||||
* Load plugins.
|
||||
|
Reference in New Issue
Block a user