diff --git a/include/crm_internal.h b/include/crm_internal.h index 0fd9023cf2..a7efb90bfc 100644 --- a/include/crm_internal.h +++ b/include/crm_internal.h @@ -1,237 +1,242 @@ /* * Copyright 2006-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #ifndef CRM_INTERNAL__H # define CRM_INTERNAL__H # ifndef PCMK__CONFIG_H # define PCMK__CONFIG_H # include # endif # include /* Our minimum glib dependency is 2.42. Define that as both the minimum and * maximum glib APIs that are allowed (i.e. APIs that were already deprecated * in 2.42, and APIs introduced after 2.42, cannot be used by Pacemaker code). */ #define GLIB_VERSION_MIN_REQUIRED GLIB_VERSION_2_42 #define GLIB_VERSION_MAX_ALLOWED GLIB_VERSION_2_42 # include # include # include /* Public API headers can guard including deprecated API headers with this * symbol, thus preventing internal code (which includes this header) from using * deprecated APIs, while still allowing external code to use them by default. */ #define PCMK_ALLOW_DEPRECATED 0 # include # include # include # include # include # include # include # include # include # include #define N_(String) (String) #ifdef ENABLE_NLS # define _(String) gettext(String) #else # define _(String) (String) #endif /* * XML element names used only by internal code */ #define PCMK__XE_ATTRIBUTES "attributes" #define PCMK__XE_CRM_EVENT "crm_event" #define PCMK__XE_CRM_XML "crm_xml" #define PCMK__XE_DOWNED "downed" #define PCMK__XE_FAILED "failed" #define PCMK__XE_FAILED_UPDATE "failed_update" #define PCMK__XE_GENERATION_TUPLE "generation_tuple" #define PCMK__XE_LRM "lrm" #define PCMK__XE_LRM_RESOURCE "lrm_resource" #define PCMK__XE_LRM_RESOURCES "lrm_resources" #define PCMK__XE_LRM_RSC_OP "lrm_rsc_op" #define PCMK__XE_MAINTENANCE "maintenance" #define PCMK__XE_NODE_STATE "node_state" #define PCMK__XE_OPTIONS "options" #define PCMK__XE_PARAM "param" #define PCMK__XE_PING_RESPONSE "ping_response" #define PCMK__XE_PSEUDO_EVENT "pseudo_event" #define PCMK__XE_RSC_OP "rsc_op" #define PCMK__XE_TICKET_STATE "ticket_state" #define PCMK__XE_TRANSIENT_ATTRIBUTES "transient_attributes" #define PCMK__XE_TRANSITION_GRAPH "transition_graph" // @COMPAT Deprecated since 1.1.12 #define PCMK__XE_ACL_USER "acl_user" +/* @TODO Deprecate somehow. It's undocumented and behaves the same as + * PCMK__XE_CIB in places where it's recognized. + */ +#define PCMK__XE_ALL "all" + // @COMPAT Deprecated since 2.1.7 #define PCMK__XE_DIFF_ADDED "diff-added" // @COMPAT Deprecated since 2.1.7 #define PCMK__XE_DIFF_REMOVED "diff-removed" /* @COMPAT Deprecated since 2.0.0; alias for with PCMK_META_PROMOTABLE * set to "true" */ #define PCMK__XE_PROMOTABLE_LEGACY "master" // @COMPAT Deprecated since 1.1.12 #define PCMK__XE_ROLE_REF "role_ref" /* * XML attribute names used only by internal code */ #define PCMK__XA_ATTR_DAMPENING "attr_dampening" #define PCMK__XA_ATTR_FORCE "attrd_is_force_write" #define PCMK__XA_ATTR_INTERVAL "attr_clear_interval" #define PCMK__XA_ATTR_IS_PRIVATE "attr_is_private" #define PCMK__XA_ATTR_IS_REMOTE "attr_is_remote" #define PCMK__XA_ATTR_NAME "attr_name" #define PCMK__XA_ATTR_NODE_ID "attr_host_id" #define PCMK__XA_ATTR_NODE_NAME "attr_host" #define PCMK__XA_ATTR_OPERATION "attr_clear_operation" #define PCMK__XA_ATTR_PATTERN "attr_regex" #define PCMK__XA_ATTR_RESOURCE "attr_resource" #define PCMK__XA_ATTR_SECTION "attr_section" #define PCMK__XA_ATTR_SET "attr_set" #define PCMK__XA_ATTR_SET_TYPE "attr_set_type" #define PCMK__XA_ATTR_SYNC_POINT "attr_sync_point" #define PCMK__XA_ATTR_USER "attr_user" #define PCMK__XA_ATTR_UUID "attr_key" #define PCMK__XA_ATTR_VALUE "attr_value" #define PCMK__XA_ATTR_VERSION "attr_version" #define PCMK__XA_ATTR_WRITER "attr_writer" #define PCMK__XA_CALL_ID "call-id" #define PCMK__XA_CONFIG_ERRORS "config-errors" #define PCMK__XA_CONFIG_WARNINGS "config-warnings" #define PCMK__XA_CONFIRM "confirm" #define PCMK__XA_CONN_HOST "connection_host" #define PCMK__XA_CRMD "crmd" #define PCMK__XA_CRMD_STATE "crmd_state" #define PCMK__XA_CRM_HOST_TO "crm_host_to" #define PCMK__XA_CRM_LIMIT_MAX "crm-limit-max" #define PCMK__XA_CRM_LIMIT_MODE "crm-limit-mode" #define PCMK__XA_CRM_SUBSYSTEM "crm_subsystem" #define PCMK__XA_CRM_SYS_FROM "crm_sys_from" #define PCMK__XA_CRM_SYS_TO "crm_sys_to" #define PCMK__XA_CRM_TASK "crm_task" #define PCMK__XA_CRM_TGRAPH_IN "crm-tgraph-in" #define PCMK__XA_CRM_USER "crm_user" #define PCMK__XA_DC_LEAVING "dc-leaving" #define PCMK__XA_DIGEST "digest" #define PCMK__XA_ELECTION_AGE_SEC "election-age-sec" #define PCMK__XA_ELECTION_AGE_NANO_SEC "election-age-nano-sec" #define PCMK__XA_ELECTION_ID "election-id" #define PCMK__XA_ELECTION_OWNER "election-owner" #define PCMK__XA_EXPECTED "expected" #define PCMK__XA_FILE "file" #define PCMK__XA_GRAPH_ERRORS "graph-errors" #define PCMK__XA_GRAPH_WARNINGS "graph-warnings" #define PCMK__XA_IN_CCM "in_ccm" #define PCMK__XA_JOIN "join" #define PCMK__XA_JOIN_ID "join_id" #define PCMK__XA_LONG_ID "long-id" #define PCMK__XA_MODE "mode" #define PCMK__XA_NODE_START_STATE "node_start_state" #define PCMK__XA_NODE_STATE "node_state" #define PCMK__XA_OPERATION_KEY "operation_key" #define PCMK__XA_OP_DIGEST "op-digest" #define PCMK__XA_OP_FORCE_RESTART "op-force-restart" #define PCMK__XA_OP_RESTART_DIGEST "op-restart-digest" #define PCMK__XA_OP_SECURE_DIGEST "op-secure-digest" #define PCMK__XA_OP_SECURE_PARAMS "op-secure-params" #define PCMK__XA_OP_STATUS "op-status" #define PCMK__XA_PACEMAKERD_STATE "pacemakerd_state" #define PCMK__XA_PRIORITY "priority" #define PCMK__XA_RC_CODE "rc-code" #define PCMK__XA_REAP "reap" /* Actions to be executed on Pacemaker Remote nodes are routed through the * controller on the cluster node hosting the remote connection. That cluster * node is considered the router node for the action. */ #define PCMK__XA_ROUTER_NODE "router_node" #define PCMK__XA_RSC_ID "rsc-id" #define PCMK__XA_SCHEMA "schema" #define PCMK__XA_SCHEMAS "schemas" #define PCMK__XA_SRC "src" #define PCMK__XA_SUBT "subt" // subtype #define PCMK__XA_T "t" // type #define PCMK__XA_TASK "task" #define PCMK__XA_TRANSITION_KEY "transition-key" #define PCMK__XA_TRANSITION_MAGIC "transition-magic" #define PCMK__XA_UPTIME "uptime" // @COMPAT Used only with v1 patchsets #define PCMK__XA_CRM_DIFF_MARKER "__crm_diff_marker__" // @COMPAT Deprecated since 2.1.5 #define PCMK__XA_FIRST_INSTANCE "first-instance" // @COMPAT Deprecated since 1.1.12 #define PCMK__XA_REF "ref" // @COMPAT Deprecated since 2.1.6 #define PCMK__XA_REPLACE "replace" // @COMPAT Deprecated since 2.1.5 #define PCMK__XA_RSC_INSTANCE "rsc-instance" // @COMPAT Deprecated since 1.1.12 #define PCMK__XA_TAG "tag" // @COMPAT Deprecated since 2.1.5 #define PCMK__XA_THEN_INSTANCE "then-instance" // @COMPAT Deprecated since 2.1.5 #define PCMK__XA_WITH_RSC_INSTANCE "with-rsc-instance" /* * IPC service names that are only used internally */ # define PCMK__SERVER_BASED_RO "cib_ro" # define PCMK__SERVER_BASED_RW "cib_rw" # define PCMK__SERVER_BASED_SHM "cib_shm" /* * IPC commands that can be sent to Pacemaker daemons */ #define PCMK__ATTRD_CMD_PEER_REMOVE "peer-remove" #define PCMK__ATTRD_CMD_UPDATE "update" #define PCMK__ATTRD_CMD_UPDATE_BOTH "update-both" #define PCMK__ATTRD_CMD_UPDATE_DELAY "update-delay" #define PCMK__ATTRD_CMD_QUERY "query" #define PCMK__ATTRD_CMD_REFRESH "refresh" #define PCMK__ATTRD_CMD_FLUSH "flush" #define PCMK__ATTRD_CMD_SYNC "sync" #define PCMK__ATTRD_CMD_SYNC_RESPONSE "sync-response" #define PCMK__ATTRD_CMD_CLEAR_FAILURE "clear-failure" #define PCMK__ATTRD_CMD_CONFIRM "confirm" #define PCMK__CONTROLD_CMD_NODES "list-nodes" #endif /* CRM_INTERNAL__H */ diff --git a/lib/cib/cib_ops.c b/lib/cib/cib_ops.c index de339e4776..f05f52cfed 100644 --- a/lib/cib/cib_ops.c +++ b/lib/cib/cib_ops.c @@ -1,1005 +1,1005 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // @TODO: Free this via crm_exit() when libcib gets merged with libcrmcommon static GHashTable *operation_table = NULL; static const cib__operation_t cib_ops[] = { { PCMK__CIB_REQUEST_ABS_DELETE, cib__op_abs_delete, cib__op_attr_modifies|cib__op_attr_privileged }, { PCMK__CIB_REQUEST_APPLY_PATCH, cib__op_apply_patch, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_transaction }, { PCMK__CIB_REQUEST_BUMP, cib__op_bump, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_transaction }, { PCMK__CIB_REQUEST_COMMIT_TRANSACT, cib__op_commit_transact, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_replaces |cib__op_attr_writes_through }, { PCMK__CIB_REQUEST_CREATE, cib__op_create, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_transaction }, { PCMK__CIB_REQUEST_DELETE, cib__op_delete, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_transaction }, { PCMK__CIB_REQUEST_ERASE, cib__op_erase, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_replaces |cib__op_attr_transaction }, { PCMK__CIB_REQUEST_IS_PRIMARY, cib__op_is_primary, cib__op_attr_privileged }, { PCMK__CIB_REQUEST_MODIFY, cib__op_modify, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_transaction }, { PCMK__CIB_REQUEST_NOOP, cib__op_noop, cib__op_attr_none }, { CRM_OP_PING, cib__op_ping, cib__op_attr_none }, { // @COMPAT: Drop cib__op_attr_modifies when we drop legacy mode support PCMK__CIB_REQUEST_PRIMARY, cib__op_primary, cib__op_attr_modifies|cib__op_attr_privileged|cib__op_attr_local }, { PCMK__CIB_REQUEST_QUERY, cib__op_query, cib__op_attr_none }, { PCMK__CIB_REQUEST_REPLACE, cib__op_replace, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_replaces |cib__op_attr_writes_through |cib__op_attr_transaction }, { PCMK__CIB_REQUEST_SECONDARY, cib__op_secondary, cib__op_attr_privileged|cib__op_attr_local }, { PCMK__CIB_REQUEST_SHUTDOWN, cib__op_shutdown, cib__op_attr_privileged }, { PCMK__CIB_REQUEST_SYNC_TO_ALL, cib__op_sync_all, cib__op_attr_privileged }, { PCMK__CIB_REQUEST_SYNC_TO_ONE, cib__op_sync_one, cib__op_attr_privileged }, { PCMK__CIB_REQUEST_UPGRADE, cib__op_upgrade, cib__op_attr_modifies |cib__op_attr_privileged |cib__op_attr_writes_through |cib__op_attr_transaction }, { PCMK__CIB_REQUEST_SCHEMAS, cib__op_schemas, cib__op_attr_local } }; /*! * \internal * \brief Get the \c cib__operation_t object for a given CIB operation name * * \param[in] op CIB operation name * \param[out] operation Where to store CIB operation object * * \return Standard Pacemaker return code */ int cib__get_operation(const char *op, const cib__operation_t **operation) { CRM_ASSERT((op != NULL) && (operation != NULL)); if (operation_table == NULL) { operation_table = pcmk__strkey_table(NULL, NULL); for (int lpc = 0; lpc < PCMK__NELEM(cib_ops); lpc++) { const cib__operation_t *oper = &(cib_ops[lpc]); g_hash_table_insert(operation_table, (gpointer) oper->name, (gpointer) oper); } } *operation = g_hash_table_lookup(operation_table, op); if (*operation == NULL) { crm_err("Operation %s is invalid", op); return EINVAL; } return pcmk_rc_ok; } int cib_process_query(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { xmlNode *obj_root = NULL; int result = pcmk_ok; crm_trace("Processing %s for %s section", op, pcmk__s(section, "unspecified")); if (options & cib_xpath) { return cib_process_xpath(op, options, section, req, input, existing_cib, result_cib, answer); } CRM_CHECK(*answer == NULL, free_xml(*answer)); *answer = NULL; - if (pcmk__str_eq(XML_CIB_TAG_SECTION_ALL, section, pcmk__str_casei)) { + if (pcmk__str_eq(PCMK__XE_ALL, section, pcmk__str_casei)) { section = NULL; } obj_root = pcmk_find_cib_element(existing_cib, section); if (obj_root == NULL) { result = -ENXIO; } else if (options & cib_no_children) { xmlNode *shallow = create_xml_node(*answer, (const char *) obj_root->name); copy_in_properties(shallow, obj_root); *answer = shallow; } else { *answer = obj_root; } if (result == pcmk_ok && *answer == NULL) { crm_err("Error creating query response"); result = -ENOMSG; } return result; } static int update_counter(xmlNode *xml_obj, const char *field, bool reset) { char *new_value = NULL; char *old_value = NULL; int int_value = -1; if (!reset && crm_element_value(xml_obj, field) != NULL) { old_value = crm_element_value_copy(xml_obj, field); } if (old_value != NULL) { int_value = atoi(old_value); new_value = pcmk__itoa(++int_value); } else { new_value = strdup("1"); CRM_ASSERT(new_value != NULL); } crm_trace("Update %s from %s to %s", field, pcmk__s(old_value, "unset"), new_value); crm_xml_add(xml_obj, field, new_value); free(new_value); free(old_value); return pcmk_ok; } int cib_process_erase(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { int result = pcmk_ok; crm_trace("Processing \"%s\" event", op); if (*result_cib != existing_cib) { free_xml(*result_cib); } *result_cib = createEmptyCib(0); copy_in_properties(*result_cib, existing_cib); update_counter(*result_cib, PCMK_XA_ADMIN_EPOCH, false); *answer = NULL; return result; } int cib_process_upgrade(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { int rc = 0; int new_version = 0; int current_version = 0; int max_version = 0; const char *max = crm_element_value(req, F_CIB_SCHEMA_MAX); const char *value = crm_element_value(existing_cib, PCMK_XA_VALIDATE_WITH); *answer = NULL; crm_trace("Processing \"%s\" event with max=%s", op, max); if (value != NULL) { current_version = get_schema_version(value); } if (max) { max_version = get_schema_version(max); } rc = update_validation(result_cib, &new_version, max_version, TRUE, !(options & cib_verbose)); if (new_version > current_version) { update_counter(*result_cib, PCMK_XA_ADMIN_EPOCH, false); update_counter(*result_cib, PCMK_XA_EPOCH, true); update_counter(*result_cib, PCMK_XA_NUM_UPDATES, true); return pcmk_ok; } return rc; } int cib_process_bump(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { int result = pcmk_ok; crm_trace("Processing %s for epoch='%s'", op, pcmk__s(crm_element_value(existing_cib, PCMK_XA_EPOCH), "")); *answer = NULL; update_counter(*result_cib, PCMK_XA_EPOCH, false); return result; } int cib_process_replace(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { int result = pcmk_ok; crm_trace("Processing %s for %s section", op, pcmk__s(section, "unspecified")); if (options & cib_xpath) { return cib_process_xpath(op, options, section, req, input, existing_cib, result_cib, answer); } *answer = NULL; if (input == NULL) { return -EINVAL; } - if (pcmk__str_eq(XML_CIB_TAG_SECTION_ALL, section, pcmk__str_casei)) { + if (pcmk__str_eq(PCMK__XE_ALL, section, pcmk__str_casei)) { section = NULL; } else if (pcmk__xe_is(input, section)) { section = NULL; } if (pcmk__xe_is(input, PCMK_XE_CIB)) { int updates = 0; int epoch = 0; int admin_epoch = 0; int replace_updates = 0; int replace_epoch = 0; int replace_admin_epoch = 0; const char *reason = NULL; const char *peer = crm_element_value(req, PCMK__XA_SRC); const char *digest = crm_element_value(req, PCMK__XA_DIGEST); if (digest) { const char *version = crm_element_value(req, PCMK_XA_CRM_FEATURE_SET); char *digest_verify = calculate_xml_versioned_digest(input, FALSE, TRUE, version ? version : CRM_FEATURE_SET); if (!pcmk__str_eq(digest_verify, digest, pcmk__str_casei)) { crm_err("Digest mis-match on replace from %s: %s vs. %s (expected)", peer, digest_verify, digest); reason = "digest mismatch"; } else { crm_info("Digest matched on replace from %s: %s", peer, digest); } free(digest_verify); } else { crm_trace("No digest to verify"); } cib_version_details(existing_cib, &admin_epoch, &epoch, &updates); cib_version_details(input, &replace_admin_epoch, &replace_epoch, &replace_updates); if (replace_admin_epoch < admin_epoch) { reason = PCMK_XA_ADMIN_EPOCH; } else if (replace_admin_epoch > admin_epoch) { /* no more checks */ } else if (replace_epoch < epoch) { reason = PCMK_XA_EPOCH; } else if (replace_epoch > epoch) { /* no more checks */ } else if (replace_updates < updates) { reason = PCMK_XA_NUM_UPDATES; } if (reason != NULL) { crm_info("Replacement %d.%d.%d from %s not applied to %d.%d.%d:" " current %s is greater than the replacement", replace_admin_epoch, replace_epoch, replace_updates, peer, admin_epoch, epoch, updates, reason); result = -pcmk_err_old_data; } else { crm_info("Replaced %d.%d.%d with %d.%d.%d from %s", admin_epoch, epoch, updates, replace_admin_epoch, replace_epoch, replace_updates, peer); } if (*result_cib != existing_cib) { free_xml(*result_cib); } *result_cib = copy_xml(input); } else { xmlNode *obj_root = NULL; gboolean ok = TRUE; obj_root = pcmk_find_cib_element(*result_cib, section); ok = replace_xml_child(NULL, obj_root, input, FALSE); if (ok == FALSE) { crm_trace("No matching object to replace"); result = -ENXIO; } } return result; } int cib_process_delete(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { xmlNode *obj_root = NULL; crm_trace("Processing \"%s\" event", op); if (options & cib_xpath) { return cib_process_xpath(op, options, section, req, input, existing_cib, result_cib, answer); } if (input == NULL) { crm_err("Cannot perform modification with no data"); return -EINVAL; } obj_root = pcmk_find_cib_element(*result_cib, section); if (pcmk__xe_is(input, section)) { xmlNode *child = NULL; for (child = pcmk__xml_first_child(input); child; child = pcmk__xml_next(child)) { if (replace_xml_child(NULL, obj_root, child, TRUE) == FALSE) { crm_trace("No matching object to delete: %s=%s", child->name, ID(child)); } } } else if (replace_xml_child(NULL, obj_root, input, TRUE) == FALSE) { crm_trace("No matching object to delete: %s=%s", input->name, ID(input)); } return pcmk_ok; } int cib_process_modify(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { xmlNode *obj_root = NULL; crm_trace("Processing \"%s\" event", op); if (options & cib_xpath) { return cib_process_xpath(op, options, section, req, input, existing_cib, result_cib, answer); } if (input == NULL) { crm_err("Cannot perform modification with no data"); return -EINVAL; } obj_root = pcmk_find_cib_element(*result_cib, section); if (obj_root == NULL) { xmlNode *tmp_section = NULL; const char *path = pcmk_cib_parent_name_for(section); if (path == NULL) { return -EINVAL; } tmp_section = create_xml_node(NULL, section); cib_process_xpath(PCMK__CIB_REQUEST_CREATE, 0, path, NULL, tmp_section, NULL, result_cib, answer); free_xml(tmp_section); obj_root = pcmk_find_cib_element(*result_cib, section); } CRM_CHECK(obj_root != NULL, return -EINVAL); if (update_xml_child(obj_root, input) == FALSE) { if (options & cib_can_create) { add_node_copy(obj_root, input); } else { return -ENXIO; } } // @COMPAT cib_mixed_update is deprecated as of 2.1.7 if (pcmk_is_set(options, cib_mixed_update)) { int max = 0, lpc; xmlXPathObjectPtr xpathObj = xpath_search(*result_cib, "//@__delete__"); if (xpathObj) { max = numXpathResults(xpathObj); crm_log_xml_trace(*result_cib, "Mixed result"); } for (lpc = 0; lpc < max; lpc++) { xmlNode *match = getXpathResult(xpathObj, lpc); xmlChar *match_path = xmlGetNodePath(match); crm_debug("Destroying %s", match_path); free(match_path); free_xml(match); } freeXpathObject(xpathObj); } return pcmk_ok; } static int update_cib_object(xmlNode * parent, xmlNode * update) { int result = pcmk_ok; xmlNode *target = NULL; xmlNode *a_child = NULL; const char *replace = NULL; const char *object_id = NULL; const char *object_name = NULL; CRM_CHECK(update != NULL, return -EINVAL); CRM_CHECK(parent != NULL, return -EINVAL); object_name = (const char *) update->name; CRM_CHECK(object_name != NULL, return -EINVAL); object_id = ID(update); crm_trace("Processing update for <%s%s%s%s>", object_name, ((object_id == NULL)? "" : " " PCMK_XA_ID "='"), pcmk__s(object_id, ""), ((object_id == NULL)? "" : "'")); if (object_id == NULL) { /* placeholder object */ target = find_xml_node(parent, object_name, FALSE); } else { target = pcmk__xe_match(parent, object_name, PCMK_XA_ID, object_id); } if (target == NULL) { target = create_xml_node(parent, object_name); } crm_trace("Found node <%s%s%s%s> to update", object_name, ((object_id == NULL)? "" : " " PCMK_XA_ID "='"), pcmk__s(object_id, ""), ((object_id == NULL)? "" : "'")); // @COMPAT PCMK__XA__REPLACE is deprecated since 2.1.6 replace = crm_element_value(update, PCMK__XA_REPLACE); if (replace != NULL) { int last = 0; int len = strlen(replace); for (int lpc = 0; lpc <= len; ++lpc) { if (replace[lpc] == ',' || replace[lpc] == 0) { if (last != lpc) { char *replace_item = strndup(replace + last, lpc - last); xmlNode *remove = find_xml_node(target, replace_item, FALSE); if (remove != NULL) { crm_trace("Replacing node <%s> in <%s>", replace_item, target->name); free_xml(remove); } free(replace_item); } last = lpc + 1; } } xml_remove_prop(update, PCMK__XA_REPLACE); xml_remove_prop(target, PCMK__XA_REPLACE); } copy_in_properties(target, update); if (xml_acl_denied(target)) { crm_notice("Cannot update <%s " PCMK_XA_ID "=%s>", pcmk__s(object_name, ""), pcmk__s(object_id, "")); return -EACCES; } crm_trace("Processing children of <%s%s%s%s>", object_name, ((object_id == NULL)? "" : " " PCMK_XA_ID "='"), pcmk__s(object_id, ""), ((object_id == NULL)? "" : "'")); for (a_child = pcmk__xml_first_child(update); a_child != NULL; a_child = pcmk__xml_next(a_child)) { int tmp_result = 0; crm_trace("Updating child <%s%s%s%s>", a_child->name, ((ID(a_child) == NULL)? "" : " " PCMK_XA_ID "='"), pcmk__s(ID(a_child), ""), ((ID(a_child) == NULL)? "" : "'")); tmp_result = update_cib_object(target, a_child); /* only the first error is likely to be interesting */ if (tmp_result != pcmk_ok) { crm_err("Error updating child <%s%s%s%s>", a_child->name, ((ID(a_child) == NULL)? "" : " " PCMK_XA_ID "='"), pcmk__s(ID(a_child), ""), ((ID(a_child) == NULL)? "" : "'")); if (result == pcmk_ok) { result = tmp_result; } } } crm_trace("Finished handling update for <%s%s%s%s>", object_name, ((object_id == NULL)? "" : " " PCMK_XA_ID "='"), pcmk__s(object_id, ""), ((object_id == NULL)? "" : "'")); return result; } static int add_cib_object(xmlNode * parent, xmlNode * new_obj) { const char *object_name = NULL; const char *object_id = NULL; xmlNode *equiv_node = NULL; if ((parent == NULL) || (new_obj == NULL)) { return -EINVAL; } object_name = (const char *) new_obj->name; if (object_name == NULL) { return -EINVAL; } object_id = ID(new_obj); crm_trace("Processing creation of <%s%s%s%s>", object_name, ((object_id == NULL)? "" : " " PCMK_XA_ID "='"), pcmk__s(object_id, ""), ((object_id == NULL)? "" : "'")); if (object_id == NULL) { equiv_node = find_xml_node(parent, object_name, FALSE); } else { equiv_node = pcmk__xe_match(parent, object_name, PCMK_XA_ID, object_id); } if (equiv_node != NULL) { return -EEXIST; } return update_cib_object(parent, new_obj); } static bool update_results(xmlNode *failed, xmlNode *target, const char *operation, int return_code) { xmlNode *xml_node = NULL; bool was_error = false; const char *error_msg = NULL; if (return_code != pcmk_ok) { error_msg = pcmk_strerror(return_code); was_error = true; xml_node = create_xml_node(failed, PCMK__XE_FAILED_UPDATE); add_node_copy(xml_node, target); crm_xml_add(xml_node, PCMK_XA_ID, ID(target)); crm_xml_add(xml_node, PCMK_XA_OBJECT_TYPE, (const char *) target->name); crm_xml_add(xml_node, PCMK_XA_OPERATION, operation); crm_xml_add(xml_node, PCMK_XA_REASON, error_msg); crm_warn("Action %s failed: %s (cde=%d)", operation, error_msg, return_code); } return was_error; } int cib_process_create(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { xmlNode *failed = NULL; int result = pcmk_ok; xmlNode *update_section = NULL; crm_trace("Processing %s for %s section", op, pcmk__s(section, "unspecified")); - if (pcmk__str_eq(XML_CIB_TAG_SECTION_ALL, section, pcmk__str_casei)) { + if (pcmk__str_eq(PCMK__XE_ALL, section, pcmk__str_casei)) { section = NULL; } else if (pcmk__str_eq(section, PCMK_XE_CIB, pcmk__str_casei)) { section = NULL; } else if (pcmk__xe_is(input, PCMK_XE_CIB)) { section = NULL; } CRM_CHECK(strcmp(op, PCMK__CIB_REQUEST_CREATE) == 0, return -EINVAL); if (input == NULL) { crm_err("Cannot perform modification with no data"); return -EINVAL; } if (section == NULL) { return cib_process_modify(op, options, section, req, input, existing_cib, result_cib, answer); } failed = create_xml_node(NULL, PCMK__XE_FAILED); update_section = pcmk_find_cib_element(*result_cib, section); if (pcmk__xe_is(input, section)) { xmlNode *a_child = NULL; for (a_child = pcmk__xml_first_child(input); a_child != NULL; a_child = pcmk__xml_next(a_child)) { result = add_cib_object(update_section, a_child); if (update_results(failed, a_child, op, result)) { break; } } } else { result = add_cib_object(update_section, input); update_results(failed, input, op, result); } if ((result == pcmk_ok) && (failed->children != NULL)) { result = -EINVAL; } if (result != pcmk_ok) { crm_log_xml_err(failed, "CIB Update failures"); *answer = failed; } else { free_xml(failed); } return result; } int cib_process_diff(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { const char *originator = NULL; if (req != NULL) { originator = crm_element_value(req, PCMK__XA_SRC); } crm_trace("Processing \"%s\" event from %s%s", op, originator, (pcmk_is_set(options, cib_force_diff)? " (global update)" : "")); if (*result_cib != existing_cib) { free_xml(*result_cib); } *result_cib = copy_xml(existing_cib); return xml_apply_patchset(*result_cib, input, TRUE); } // @COMPAT: v1-only bool cib__config_changed_v1(xmlNode *last, xmlNode *next, xmlNode **diff) { int lpc = 0, max = 0; bool config_changes = false; xmlXPathObject *xpathObj = NULL; int format = 1; CRM_ASSERT(diff != NULL); if (*diff == NULL && last != NULL && next != NULL) { *diff = diff_xml_object(last, next, FALSE); } if (*diff == NULL) { goto done; } crm_element_value_int(*diff, PCMK_XA_FORMAT, &format); CRM_LOG_ASSERT(format == 1); xpathObj = xpath_search(*diff, "//" PCMK_XE_CONFIGURATION); if (numXpathResults(xpathObj) > 0) { config_changes = true; goto done; } freeXpathObject(xpathObj); /* * Do not check PCMK__XE_DIFF_ADDED "//" PCMK_XE_CIB * This always contains every field and would produce a false positive * every time if the checked value existed */ xpathObj = xpath_search(*diff, "//" PCMK__XE_DIFF_REMOVED "//" PCMK_XE_CIB); max = numXpathResults(xpathObj); for (lpc = 0; lpc < max; lpc++) { xmlNode *top = getXpathResult(xpathObj, lpc); if (crm_element_value(top, PCMK_XA_EPOCH) != NULL) { config_changes = true; goto done; } if (crm_element_value(top, PCMK_XA_ADMIN_EPOCH) != NULL) { config_changes = true; goto done; } if (crm_element_value(top, PCMK_XA_VALIDATE_WITH) != NULL) { config_changes = true; goto done; } if (crm_element_value(top, PCMK_XA_CRM_FEATURE_SET) != NULL) { config_changes = true; goto done; } if (crm_element_value(top, "remote-clear-port") != NULL) { config_changes = true; goto done; } if (crm_element_value(top, "remote-tls-port") != NULL) { config_changes = true; goto done; } } done: freeXpathObject(xpathObj); return config_changes; } int cib_process_xpath(const char *op, int options, const char *section, const xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer) { int lpc = 0; int max = 0; int rc = pcmk_ok; bool is_query = pcmk__str_eq(op, PCMK__CIB_REQUEST_QUERY, pcmk__str_none); xmlXPathObjectPtr xpathObj = NULL; crm_trace("Processing \"%s\" event", op); if (is_query) { xpathObj = xpath_search(existing_cib, section); } else { xpathObj = xpath_search(*result_cib, section); } max = numXpathResults(xpathObj); if ((max < 1) && pcmk__str_eq(op, PCMK__CIB_REQUEST_DELETE, pcmk__str_none)) { crm_debug("%s was already removed", section); } else if (max < 1) { crm_debug("%s: %s does not exist", op, section); rc = -ENXIO; } else if (is_query) { if (max > 1) { *answer = create_xml_node(NULL, "xpath-query"); } } if (pcmk_is_set(options, cib_multiple) && pcmk__str_eq(op, PCMK__CIB_REQUEST_DELETE, pcmk__str_none)) { dedupXpathResults(xpathObj); } for (lpc = 0; lpc < max; lpc++) { xmlChar *path = NULL; xmlNode *match = getXpathResult(xpathObj, lpc); if (match == NULL) { continue; } path = xmlGetNodePath(match); crm_debug("Processing %s op for %s with %s", op, section, path); free(path); if (pcmk__str_eq(op, PCMK__CIB_REQUEST_DELETE, pcmk__str_none)) { if (match == *result_cib) { /* Attempting to delete the whole "/cib" */ crm_warn("Cannot perform %s for %s: The xpath is addressing the whole /cib", op, section); rc = -EINVAL; break; } free_xml(match); if ((options & cib_multiple) == 0) { break; } } else if (pcmk__str_eq(op, PCMK__CIB_REQUEST_MODIFY, pcmk__str_none)) { if (update_xml_child(match, input) == FALSE) { rc = -ENXIO; } else if ((options & cib_multiple) == 0) { break; } } else if (pcmk__str_eq(op, PCMK__CIB_REQUEST_CREATE, pcmk__str_none)) { add_node_copy(match, input); break; } else if (pcmk__str_eq(op, PCMK__CIB_REQUEST_QUERY, pcmk__str_none)) { if (options & cib_no_children) { xmlNode *shallow = create_xml_node(*answer, (const char *) match->name); copy_in_properties(shallow, match); if (*answer == NULL) { *answer = shallow; } } else if (options & cib_xpath_address) { char *path = NULL; xmlNode *parent = match; while (parent && parent->type == XML_ELEMENT_NODE) { const char *id = crm_element_value(parent, PCMK_XA_ID); char *new_path = NULL; if (id) { new_path = crm_strdup_printf("/%s[@" PCMK_XA_ID "='%s']" "%s", parent->name, id, pcmk__s(path, "")); } else { new_path = crm_strdup_printf("/%s%s", parent->name, pcmk__s(path, "")); } free(path); path = new_path; parent = parent->parent; } crm_trace("Got: %s", path); if (*answer == NULL) { *answer = create_xml_node(NULL, "xpath-query"); } parent = create_xml_node(*answer, "xpath-query-path"); crm_xml_add(parent, PCMK_XA_ID, path); free(path); } else if (*answer) { add_node_copy(*answer, match); } else { *answer = match; } } else if (pcmk__str_eq(op, PCMK__CIB_REQUEST_REPLACE, pcmk__str_none)) { xmlNode *parent = match->parent; free_xml(match); if (input != NULL) { add_node_copy(parent, input); } if ((options & cib_multiple) == 0) { break; } } } freeXpathObject(xpathObj); return rc; } diff --git a/lib/common/cib.c b/lib/common/cib.c index 6305fdebe2..0e490f31ac 100644 --- a/lib/common/cib.c +++ b/lib/common/cib.c @@ -1,175 +1,175 @@ /* * Original copyright 2004 International Business Machines * Later changes copyright 2008-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include // xmlNode #include #include #include /* * Functions to help find particular sections of the CIB */ // Map CIB element names to their parent elements and XPath searches static struct { const char *name; // Name of this CIB element const char *parent; // CIB element that this element is a child of const char *path; // XPath to find this CIB element } cib_sections[] = { { // This first entry is also the default if a NULL is compared PCMK_XE_CIB, NULL, "//" PCMK_XE_CIB }, { PCMK_XE_STATUS, "/" PCMK_XE_CIB, "//" PCMK_XE_CIB "/" PCMK_XE_STATUS }, { PCMK_XE_CONFIGURATION, "/" PCMK_XE_CIB, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION }, { PCMK_XE_CRM_CONFIG, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_CRM_CONFIG }, { PCMK_XE_NODES, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_NODES }, { PCMK_XE_RESOURCES, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_RESOURCES }, { PCMK_XE_CONSTRAINTS, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_CONSTRAINTS }, { PCMK_XE_OP_DEFAULTS, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_OP_DEFAULTS }, { PCMK_XE_RSC_DEFAULTS, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_RSC_DEFAULTS }, { PCMK_XE_ACLS, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_ACLS }, { PCMK_XE_FENCING_TOPOLOGY, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_FENCING_TOPOLOGY }, { PCMK_XE_TAGS, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_TAGS }, { PCMK_XE_ALERTS, "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION, "//" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_ALERTS }, { - XML_CIB_TAG_SECTION_ALL, + PCMK__XE_ALL, NULL, "//" PCMK_XE_CIB }, }; /*! * \brief Get the relative XPath needed to find a specified CIB element name * * \param[in] element_name Name of CIB element * * \return XPath for finding \p element_name in CIB XML (or NULL if unknown) * \note The return value is constant and should not be freed. */ const char * pcmk_cib_xpath_for(const char *element_name) { for (int lpc = 0; lpc < PCMK__NELEM(cib_sections); lpc++) { // A NULL element_name will match the first entry if (pcmk__str_eq(element_name, cib_sections[lpc].name, pcmk__str_null_matches)) { return cib_sections[lpc].path; } } return NULL; } /*! * \internal * \brief Get the absolute XPath needed to find a specified CIB element name * * \param[in] element Name of CIB element * * \return XPath for finding \p element in CIB XML (or \c NULL if unknown) */ const char * pcmk__cib_abs_xpath_for(const char *element) { const char *xpath = pcmk_cib_xpath_for(element); // XPaths returned by pcmk_cib_xpath_for() are relative (starting with "//") return ((xpath != NULL)? (xpath + 1) : NULL); } /*! * \brief Get the parent element name of a given CIB element name * * \param[in] element_name Name of CIB element * * \return Parent element of \p element_name (or NULL if none or unknown) * \note The return value is constant and should not be freed. */ const char * pcmk_cib_parent_name_for(const char *element_name) { for (int lpc = 0; lpc < PCMK__NELEM(cib_sections); lpc++) { // A NULL element_name will match the first entry if (pcmk__str_eq(element_name, cib_sections[lpc].name, pcmk__str_null_matches)) { return cib_sections[lpc].parent; } } return NULL; } /*! * \brief Find an element in the CIB * * \param[in,out] cib Top-level CIB XML to search * \param[in] element_name Name of CIB element to search for * * \return XML element in \p cib corresponding to \p element_name * (or \p cib itself if element is unknown or not found) */ xmlNode * pcmk_find_cib_element(xmlNode *cib, const char *element_name) { return get_xpath_object(pcmk_cib_xpath_for(element_name), cib, LOG_TRACE); }