diff --git a/daemons/pacemakerd/pcmkd_messages.c b/daemons/pacemakerd/pcmkd_messages.c index 94a3c64722..6c2f8877a0 100644 --- a/daemons/pacemakerd/pcmkd_messages.c +++ b/daemons/pacemakerd/pcmkd_messages.c @@ -1,281 +1,281 @@ /* * Copyright 2010-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include "pacemakerd.h" #include #include #include #include #include #include #include #include static GHashTable *pcmkd_handlers = NULL; static xmlNode * handle_node_cache_request(pcmk__request_t *request) { crm_trace("Ignoring request from client %s to purge node " "because peer cache is not used", pcmk__client_name(request->ipc_client)); pcmk__ipc_send_ack(request->ipc_client, request->ipc_id, request->ipc_flags, "ack", NULL, CRM_EX_OK); return NULL; } static xmlNode * handle_ping_request(pcmk__request_t *request) { xmlNode *msg = request->xml; const char *value = NULL; xmlNode *ping = NULL; xmlNode *reply = NULL; const char *from = crm_element_value(msg, PCMK__XA_CRM_SYS_FROM); /* Pinged for status */ crm_trace("Pinged from " PCMK__XA_CRM_SYS_FROM "='%s' " PCMK_XA_ORIGIN "='%s'", pcmk__s(from, ""), pcmk__s(crm_element_value(msg, PCMK_XA_ORIGIN), "")); pcmk__ipc_send_ack(request->ipc_client, request->ipc_id, request->ipc_flags, "ack", NULL, CRM_EX_INDETERMINATE); ping = create_xml_node(NULL, PCMK__XE_PING_RESPONSE); value = crm_element_value(msg, PCMK__XA_CRM_SYS_TO); crm_xml_add(ping, PCMK__XA_CRM_SUBSYSTEM, value); crm_xml_add(ping, PCMK__XA_PACEMAKERD_STATE, pacemakerd_state); crm_xml_add_ll(ping, PCMK_XA_CRM_TIMESTAMP, (long long) subdaemon_check_progress); crm_xml_add(ping, PCMK_XA_RESULT, "ok"); reply = create_reply(msg, ping); free_xml(ping); if (reply == NULL) { pcmk__format_result(&request->result, CRM_EX_ERROR, PCMK_EXEC_ERROR, "Failed building ping reply for client %s", pcmk__client_name(request->ipc_client)); } else { pcmk__set_result(&request->result, CRM_EX_OK, PCMK_EXEC_DONE, NULL); } /* just proceed state on sbd pinging us */ if (from && strstr(from, "sbd")) { if (pcmk__str_eq(pacemakerd_state, PCMK__VALUE_SHUTDOWN_COMPLETE, pcmk__str_none)) { if (pcmk__get_sbd_sync_resource_startup()) { crm_notice("Shutdown-complete-state passed to SBD."); } shutdown_complete_state_reported_to = request->ipc_client->pid; } else if (pcmk__str_eq(pacemakerd_state, PCMK__VALUE_WAIT_FOR_PING, pcmk__str_none)) { crm_notice("Received startup-trigger from SBD."); pacemakerd_state = PCMK__VALUE_STARTING_DAEMONS; mainloop_set_trigger(startup_trigger); } } return reply; } static xmlNode * handle_shutdown_request(pcmk__request_t *request) { xmlNode *msg = request->xml; xmlNode *shutdown = NULL; xmlNode *reply = NULL; /* Only allow privileged users (i.e. root or hacluster) to shut down * Pacemaker from the command line (or direct IPC), so that other users * are forced to go through the CIB and have ACLs applied. */ bool allowed = pcmk_is_set(request->ipc_client->flags, pcmk__client_privileged); pcmk__ipc_send_ack(request->ipc_client, request->ipc_id, request->ipc_flags, "ack", NULL, CRM_EX_INDETERMINATE); - shutdown = create_xml_node(NULL, XML_CIB_ATTR_SHUTDOWN); + shutdown = create_xml_node(NULL, PCMK__XE_SHUTDOWN); if (allowed) { crm_notice("Shutting down in response to IPC request %s from %s", crm_element_value(msg, PCMK_XA_REFERENCE), crm_element_value(msg, PCMK_XA_ORIGIN)); crm_xml_add_int(shutdown, PCMK__XA_OP_STATUS, CRM_EX_OK); } else { crm_warn("Ignoring shutdown request from unprivileged client %s", pcmk__client_name(request->ipc_client)); crm_xml_add_int(shutdown, PCMK__XA_OP_STATUS, CRM_EX_INSUFFICIENT_PRIV); } reply = create_reply(msg, shutdown); free_xml(shutdown); if (reply == NULL) { pcmk__format_result(&request->result, CRM_EX_ERROR, PCMK_EXEC_ERROR, "Failed building shutdown reply for client %s", pcmk__client_name(request->ipc_client)); } else { pcmk__set_result(&request->result, CRM_EX_OK, PCMK_EXEC_DONE, NULL); } if (allowed) { pcmk_shutdown(15); } return reply; } static xmlNode * handle_unknown_request(pcmk__request_t *request) { pcmk__ipc_send_ack(request->ipc_client, request->ipc_id, request->ipc_flags, "ack", NULL, CRM_EX_INVALID_PARAM); pcmk__format_result(&request->result, CRM_EX_PROTOCOL, PCMK_EXEC_INVALID, "Unknown IPC request type '%s' (bug?)", pcmk__client_name(request->ipc_client)); return NULL; } static void pcmkd_register_handlers(void) { pcmk__server_command_t handlers[] = { { CRM_OP_RM_NODE_CACHE, handle_node_cache_request }, { CRM_OP_PING, handle_ping_request }, { CRM_OP_QUIT, handle_shutdown_request }, { NULL, handle_unknown_request }, }; pcmkd_handlers = pcmk__register_handlers(handlers); } static int32_t pcmk_ipc_accept(qb_ipcs_connection_t * c, uid_t uid, gid_t gid) { crm_trace("Connection %p", c); if (pcmk__new_client(c, uid, gid) == NULL) { return -EIO; } return 0; } /* Error code means? */ static int32_t pcmk_ipc_closed(qb_ipcs_connection_t * c) { pcmk__client_t *client = pcmk__find_client(c); if (client == NULL) { return 0; } crm_trace("Connection %p", c); if (shutdown_complete_state_reported_to == client->pid) { shutdown_complete_state_reported_client_closed = TRUE; if (shutdown_trigger) { mainloop_set_trigger(shutdown_trigger); } } pcmk__free_client(client); return 0; } static void pcmk_ipc_destroy(qb_ipcs_connection_t * c) { crm_trace("Connection %p", c); pcmk_ipc_closed(c); } /* Exit code means? */ static int32_t pcmk_ipc_dispatch(qb_ipcs_connection_t * qbc, void *data, size_t size) { uint32_t id = 0; uint32_t flags = 0; xmlNode *msg = NULL; pcmk__client_t *c = pcmk__find_client(qbc); CRM_CHECK(c != NULL, return 0); if (pcmkd_handlers == NULL) { pcmkd_register_handlers(); } msg = pcmk__client_data2xml(c, data, &id, &flags); if (msg == NULL) { pcmk__ipc_send_ack(c, id, flags, "ack", NULL, CRM_EX_PROTOCOL); return 0; } else { char *log_msg = NULL; const char *reason = NULL; xmlNode *reply = NULL; pcmk__request_t request = { .ipc_client = c, .ipc_id = id, .ipc_flags = flags, .peer = NULL, .xml = msg, .call_options = 0, .result = PCMK__UNKNOWN_RESULT, }; request.op = crm_element_value_copy(request.xml, PCMK__XA_CRM_TASK); CRM_CHECK(request.op != NULL, return 0); reply = pcmk__process_request(&request, pcmkd_handlers); if (reply != NULL) { pcmk__ipc_send_xml(c, id, reply, crm_ipc_server_event); free_xml(reply); } reason = request.result.exit_reason; log_msg = crm_strdup_printf("Processed %s request from %s %s: %s%s%s%s", request.op, pcmk__request_origin_type(&request), pcmk__request_origin(&request), pcmk_exec_status_str(request.result.execution_status), (reason == NULL)? "" : " (", (reason == NULL)? "" : reason, (reason == NULL)? "" : ")"); if (!pcmk__result_ok(&request.result)) { crm_warn("%s", log_msg); } else { crm_debug("%s", log_msg); } free(log_msg); pcmk__reset_request(&request); } free_xml(msg); return 0; } struct qb_ipcs_service_handlers pacemakerd_ipc_callbacks = { .connection_accept = pcmk_ipc_accept, .connection_created = NULL, .msg_process = pcmk_ipc_dispatch, .connection_closed = pcmk_ipc_closed, .connection_destroyed = pcmk_ipc_destroy }; diff --git a/include/crm_internal.h b/include/crm_internal.h index 1cdd5d63ff..b7a6514a34 100644 --- a/include/crm_internal.h +++ b/include/crm_internal.h @@ -1,245 +1,246 @@ /* * 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 # 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_SHUTDOWN "shutdown" #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_FENCED "node_fenced" #define PCMK__XA_NODE_IN_MAINTENANCE "node_in_maintenance" #define PCMK__XA_NODE_START_STATE "node_start_state" #define PCMK__XA_NODE_STATE "node_state" #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" #define PCMK__XA_REMOTE_NODE "remote_node" /* 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 */