diff --git a/daemons/based/pacemaker-based.c b/daemons/based/pacemaker-based.c index 096ea488f8..fad8d12b15 100644 --- a/daemons/based/pacemaker-based.c +++ b/daemons/based/pacemaker-based.c @@ -1,447 +1,447 @@ /* * 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 General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SUMMARY "daemon for managing the configuration of a Pacemaker cluster" extern int init_remote_listener(int port, gboolean encrypted); gboolean cib_shutdown_flag = FALSE; int cib_status = pcmk_ok; crm_cluster_t *crm_cluster = NULL; GMainLoop *mainloop = NULL; gchar *cib_root = NULL; static gboolean preserve_status = FALSE; gboolean cib_writes_enabled = TRUE; gboolean stand_alone = FALSE; int remote_fd = 0; int remote_tls_fd = 0; GHashTable *config_hash = NULL; GHashTable *local_notify_queue = NULL; static void cib_init(void); void cib_shutdown(int nsig); static bool startCib(const char *filename); extern int write_cib_contents(gpointer p); static crm_exit_t exit_code = CRM_EX_OK; static void cib_enable_writes(int nsig) { crm_info("(Re)enabling disk writes"); cib_writes_enabled = TRUE; } /*! * \internal * \brief Set up options, users, and groups for stand-alone mode * * \param[out] error GLib error object * * \return Standard Pacemaker return code */ static int setup_stand_alone(GError **error) { int rc = 0; struct passwd *pwentry = NULL; preserve_status = TRUE; cib_writes_enabled = FALSE; errno = 0; pwentry = getpwnam(CRM_DAEMON_USER); if (pwentry == NULL) { exit_code = CRM_EX_FATAL; if (errno != 0) { g_set_error(error, PCMK__EXITC_ERROR, exit_code, "Error getting password DB entry for %s: %s", CRM_DAEMON_USER, strerror(errno)); return errno; } g_set_error(error, PCMK__EXITC_ERROR, exit_code, "Password DB entry for '%s' not found", CRM_DAEMON_USER); return ENXIO; } rc = setgid(pwentry->pw_gid); if (rc < 0) { exit_code = CRM_EX_FATAL; g_set_error(error, PCMK__EXITC_ERROR, exit_code, "Could not set group to %d: %s", pwentry->pw_gid, strerror(errno)); return errno; } rc = initgroups(CRM_DAEMON_USER, pwentry->pw_gid); if (rc < 0) { exit_code = CRM_EX_FATAL; g_set_error(error, PCMK__EXITC_ERROR, exit_code, "Could not setup groups for user %d: %s", pwentry->pw_uid, strerror(errno)); return errno; } rc = setuid(pwentry->pw_uid); if (rc < 0) { exit_code = CRM_EX_FATAL; g_set_error(error, PCMK__EXITC_ERROR, exit_code, "Could not set user to %d: %s", pwentry->pw_uid, strerror(errno)); return errno; } return pcmk_rc_ok; } static void based_metadata(void) { const char *name = "pacemaker-based"; const char *desc_short = "Cluster Information Base manager options"; const char *desc_long = "Cluster options used by Pacemaker's Cluster " "Information Base manager"; gchar *s = pcmk__cluster_option_metadata(name, desc_short, desc_long, pcmk__opt_context_based); printf("%s", s); g_free(s); } static GOptionEntry entries[] = { { "stand-alone", 's', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &stand_alone, "(Advanced use only) Run in stand-alone mode", NULL }, { "disk-writes", 'w', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &cib_writes_enabled, "(Advanced use only) Enable disk writes (enabled by default unless in " "stand-alone mode)", NULL }, { "cib-root", 'r', G_OPTION_FLAG_NONE, G_OPTION_ARG_FILENAME, &cib_root, "(Advanced use only) Directory where the CIB XML file should be located " "(default: " CRM_CONFIG_DIR ")", NULL }, { NULL } }; static pcmk__supported_format_t formats[] = { PCMK__SUPPORTED_FORMAT_NONE, PCMK__SUPPORTED_FORMAT_TEXT, PCMK__SUPPORTED_FORMAT_XML, { NULL, NULL, NULL } }; static GOptionContext * build_arg_context(pcmk__common_args_t *args, GOptionGroup **group) { GOptionContext *context = NULL; context = pcmk__build_arg_context(args, "text (default), xml", group, "[metadata]"); pcmk__add_main_args(context, entries); return context; } int main(int argc, char **argv) { int rc = pcmk_rc_ok; crm_ipc_t *old_instance = NULL; pcmk__output_t *out = NULL; GError *error = NULL; GOptionGroup *output_group = NULL; pcmk__common_args_t *args = pcmk__new_common_args(SUMMARY); gchar **processed_args = pcmk__cmdline_preproc(argv, "r"); GOptionContext *context = build_arg_context(args, &output_group); crm_log_preinit(NULL, argc, argv); pcmk__register_formats(output_group, formats); if (!g_option_context_parse_strv(context, &processed_args, &error)) { exit_code = CRM_EX_USAGE; goto done; } rc = pcmk__output_new(&out, args->output_ty, args->output_dest, argv); if (rc != pcmk_rc_ok) { exit_code = CRM_EX_ERROR; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "Error creating output format %s: %s", args->output_ty, pcmk_rc_str(rc)); goto done; } if (args->version) { out->version(out, false); goto done; } mainloop_add_signal(SIGTERM, cib_shutdown); mainloop_add_signal(SIGPIPE, cib_enable_writes); cib_writer = mainloop_add_trigger(G_PRIORITY_LOW, write_cib_contents, NULL); if ((g_strv_length(processed_args) >= 2) && pcmk__str_eq(processed_args[1], "metadata", pcmk__str_none)) { based_metadata(); goto done; } pcmk__cli_init_logging("pacemaker-based", args->verbosity); crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE); crm_notice("Starting Pacemaker CIB manager"); old_instance = crm_ipc_new(PCMK__SERVER_BASED_RO, 0); if (old_instance == NULL) { /* crm_ipc_new() will have already logged an error message with * crm_err() */ exit_code = CRM_EX_FATAL; goto done; } if (pcmk__connect_generic_ipc(old_instance) == pcmk_rc_ok) { /* IPC end-point already up */ crm_ipc_close(old_instance); crm_ipc_destroy(old_instance); crm_err("pacemaker-based is already active, aborting startup"); goto done; } else { /* not up or not authentic, we'll proceed either way */ crm_ipc_destroy(old_instance); old_instance = NULL; } if (stand_alone) { rc = setup_stand_alone(&error); if (rc != pcmk_rc_ok) { goto done; } } if (cib_root == NULL) { cib_root = g_strdup(CRM_CONFIG_DIR); } else { crm_notice("Using custom config location: %s", cib_root); } if (!pcmk__daemon_can_write(cib_root, NULL)) { exit_code = CRM_EX_FATAL; crm_err("Terminating due to bad permissions on %s", cib_root); g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "Bad permissions on %s (see logs for details)", cib_root); goto done; } crm_peer_init(); // Read initial CIB, connect to cluster, and start IPC servers cib_init(); // Run the main loop mainloop = g_main_loop_new(NULL, FALSE); crm_notice("Pacemaker CIB manager successfully started and accepting connections"); g_main_loop_run(mainloop); /* If main loop returned, clean up and exit. We disconnect in case * terminate_cib() was called with fast=-1. */ crm_cluster_disconnect(crm_cluster); pcmk__stop_based_ipc(ipcs_ro, ipcs_rw, ipcs_shm); done: g_strfreev(processed_args); pcmk__free_arg_context(context); crm_peer_destroy(); if (local_notify_queue != NULL) { g_hash_table_destroy(local_notify_queue); } if (config_hash != NULL) { g_hash_table_destroy(config_hash); } pcmk__client_cleanup(); pcmk_cluster_free(crm_cluster); g_free(cib_root); pcmk__output_and_clear_error(&error, out); if (out != NULL) { out->finish(out, exit_code, true, NULL); pcmk__output_free(out); } pcmk__unregister_formats(); crm_exit(exit_code); } #if SUPPORT_COROSYNC static void cib_cs_dispatch(cpg_handle_t handle, const struct cpg_name *groupName, uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len) { uint32_t kind = 0; xmlNode *xml = NULL; const char *from = NULL; char *data = pcmk_message_common_cs(handle, nodeid, pid, msg, &kind, &from); if(data == NULL) { return; } if (kind == crm_class_cluster) { xml = string2xml(data); if (xml == NULL) { crm_err("Invalid XML: '%.120s'", data); free(data); return; } crm_xml_add(xml, PCMK__XA_SRC, from); cib_peer_callback(xml, NULL); } free_xml(xml); free(data); } static void cib_cs_destroy(gpointer user_data) { if (cib_shutdown_flag) { crm_info("Corosync disconnection complete"); } else { crm_crit("Lost connection to cluster layer, shutting down"); terminate_cib(__func__, CRM_EX_DISCONNECT); } } #endif static void cib_peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data) { switch (type) { case crm_status_processes: if (cib_legacy_mode() && !pcmk_is_set(node->processes, crm_get_cluster_proc())) { uint32_t old = data? *(const uint32_t *)data : 0; if ((node->processes ^ old) & crm_proc_cpg) { crm_info("Attempting to disable legacy mode after %s left the cluster", node->uname); legacy_mode = FALSE; } } break; case crm_status_uname: case crm_status_nstate: if (cib_shutdown_flag && (crm_active_peers() < 2) && (pcmk__ipc_client_count() == 0)) { crm_info("No more peers"); terminate_cib(__func__, -1); } break; } } static void cib_init(void) { crm_cluster = pcmk_cluster_new(); #if SUPPORT_COROSYNC if (is_corosync_cluster()) { crm_cluster->destroy = cib_cs_destroy; crm_cluster->cpg.cpg_deliver_fn = cib_cs_dispatch; crm_cluster->cpg.cpg_confchg_fn = pcmk_cpg_membership; } #endif // SUPPORT_COROSYNC config_hash = pcmk__strkey_table(free, free); if (startCib("cib.xml") == FALSE) { crm_crit("Cannot start CIB... terminating"); crm_exit(CRM_EX_NOINPUT); } if (!stand_alone) { crm_set_status_callback(&cib_peer_update_callback); if (!crm_cluster_connect(crm_cluster)) { crm_crit("Cannot sign in to the cluster... terminating"); crm_exit(CRM_EX_FATAL); } } pcmk__serve_based_ipc(&ipcs_ro, &ipcs_rw, &ipcs_shm, &ipc_ro_callbacks, &ipc_rw_callbacks); if (stand_alone) { based_is_primary = true; } } static bool startCib(const char *filename) { gboolean active = FALSE; xmlNode *cib = readCibXmlFile(cib_root, filename, !preserve_status); if (activateCibXml(cib, TRUE, "start") == 0) { int port = 0; active = TRUE; cib_read_config(config_hash, cib); - pcmk__scan_port(crm_element_value(cib, "remote-tls-port"), &port); + pcmk__scan_port(crm_element_value(cib, PCMK_XA_REMOTE_TLS_PORT), &port); if (port >= 0) { remote_tls_fd = init_remote_listener(port, TRUE); } pcmk__scan_port(crm_element_value(cib, "remote-clear-port"), &port); if (port >= 0) { remote_fd = init_remote_listener(port, FALSE); } } return active; } diff --git a/include/crm/common/ipc_internal.h b/include/crm/common/ipc_internal.h index b391e831ad..7ef0178a61 100644 --- a/include/crm/common/ipc_internal.h +++ b/include/crm/common/ipc_internal.h @@ -1,298 +1,298 @@ /* - * Copyright 2013-2023 the Pacemaker project contributors + * Copyright 2013-2024 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 PCMK__IPC_INTERNAL_H #define PCMK__IPC_INTERNAL_H #ifdef __cplusplus extern "C" { #endif #include // bool #include // uint32_t, uint64_t, UINT64_C() #include // struct iovec #include // uid_t, gid_t, pid_t, size_t #ifdef HAVE_GNUTLS_GNUTLS_H # include // gnutls_session_t #endif #include // guint, gpointer, GQueue, ... #include // xmlNode #include // qb_ipcs_connection_t, ... #include // HAVE_GETPEEREID #include #include // pcmk_controld_api_reply #include // pcmk_pacemakerd_{api_reply,state} #include // mainloop_io_t /* * XML attribute names used only by internal code */ #define PCMK__XA_IPC_PROTO_VERSION "ipc-protocol-version" /* denotes "non yieldable PID" on FreeBSD, or actual PID1 in scenarios that require a delicate handling anyway (socket-based activation with systemd); we can be reasonably sure that this PID is never possessed by the actual child daemon, as it gets taken either by the proper init, or by pacemakerd itself (i.e. this precludes anything else); note that value of zero is meant to carry "unset" meaning, and better not to bet on/conditionalize over signedness of pid_t */ #define PCMK__SPECIAL_PID 1 // Timeout (in seconds) to use for IPC client sends, reply waits, etc. #define PCMK__IPC_TIMEOUT 120 #if defined(HAVE_GETPEEREID) /* on FreeBSD, we don't want to expose "non-yieldable PID" (leading to "IPC liveness check only") as its nominal representation, which could cause confusion -- this is unambiguous as long as there's no socket-based activation like with systemd (very improbable) */ #define PCMK__SPECIAL_PID_AS_0(p) (((p) == PCMK__SPECIAL_PID) ? 0 : (p)) #else #define PCMK__SPECIAL_PID_AS_0(p) (p) #endif /*! * \internal * \brief Check the authenticity and liveness of the process via IPC end-point * * When IPC daemon under given IPC end-point (name) detected, its authenticity * is verified by the means of comparing against provided referential UID and * GID, and the result of this check can be deduced from the return value. * As an exception, referential UID of 0 (~ root) satisfies arbitrary * detected daemon's credentials. * * \param[in] name IPC name to base the search on * \param[in] refuid referential UID to check against * \param[in] refgid referential GID to check against * \param[out] gotpid to optionally store obtained PID of the found process * upon returning 1 or -2 * (not available on FreeBSD, special value of 1, * see PCMK__SPECIAL_PID, used instead, and the caller * is required to special case this value respectively) * * \return Standard Pacemaker return code * * \note Return codes of particular interest include pcmk_rc_ipc_unresponsive * indicating that no trace of IPC liveness was detected, and * pcmk_rc_ipc_unauthorized indicating that the IPC endpoint is blocked by * an unauthorized process. * \note This function emits a log message for return codes other than * pcmk_rc_ok and pcmk_rc_ipc_unresponsive, and when there isn't a perfect * match in respect to \p reguid and/or \p refgid, for a possible * least privilege principle violation. * * \see crm_ipc_is_authentic_process */ int pcmk__ipc_is_authentic_process_active(const char *name, uid_t refuid, gid_t refgid, pid_t *gotpid); int pcmk__connect_generic_ipc(crm_ipc_t *ipc); int pcmk__ipc_fd(crm_ipc_t *ipc, int *fd); int pcmk__connect_ipc(pcmk_ipc_api_t *api, enum pcmk_ipc_dispatch dispatch_type, int attempts); /* * Server-related */ typedef struct pcmk__client_s pcmk__client_t; struct pcmk__remote_s { /* Shared */ char *buffer; size_t buffer_size; size_t buffer_offset; int auth_timeout; int tcp_socket; mainloop_io_t *source; time_t uptime; char *start_state; /* CIB-only */ char *token; /* TLS only */ # ifdef HAVE_GNUTLS_GNUTLS_H gnutls_session_t *tls_session; # endif }; enum pcmk__client_flags { // Lower 32 bits are reserved for server (not library) use // Next 8 bits are reserved for client type (sort of a cheap enum) //! Client uses plain IPC pcmk__client_ipc = (UINT64_C(1) << 32), //! Client uses TCP connection pcmk__client_tcp = (UINT64_C(1) << 33), # ifdef HAVE_GNUTLS_GNUTLS_H //! Client uses TCP with TLS pcmk__client_tls = (UINT64_C(1) << 34), # endif // The rest are client attributes //! Client IPC is proxied pcmk__client_proxied = (UINT64_C(1) << 40), //! Client is run by root or cluster user pcmk__client_privileged = (UINT64_C(1) << 41), //! Local client to be proxied pcmk__client_to_proxy = (UINT64_C(1) << 42), /*! * \brief Client IPC connection accepted * - * Used only for remote CIB connections via \c remote-tls-port. + * Used only for remote CIB connections via \c PCMK_XA_REMOTE_TLS_PORT. */ pcmk__client_authenticated = (UINT64_C(1) << 43), # ifdef HAVE_GNUTLS_GNUTLS_H //! Client TLS handshake is complete pcmk__client_tls_handshake_complete = (UINT64_C(1) << 44), # endif }; #define PCMK__CLIENT_TYPE(client) ((client)->flags & UINT64_C(0xff00000000)) struct pcmk__client_s { unsigned int pid; char *id; char *name; char *user; uint64_t flags; // Group of pcmk__client_flags int request_id; void *userdata; int event_timer; GQueue *event_queue; /* Depending on the client type, only some of the following will be * populated/valid. @TODO Maybe convert to a union. */ qb_ipcs_connection_t *ipcs; /* IPC */ struct pcmk__remote_s *remote; /* TCP/TLS */ unsigned int queue_backlog; /* IPC queue length after last flush */ unsigned int queue_max; /* Evict client whose queue grows this big */ }; #define pcmk__set_client_flags(client, flags_to_set) do { \ (client)->flags = pcmk__set_flags_as(__func__, __LINE__, \ LOG_TRACE, \ "Client", pcmk__client_name(client), \ (client)->flags, (flags_to_set), #flags_to_set); \ } while (0) #define pcmk__clear_client_flags(client, flags_to_clear) do { \ (client)->flags = pcmk__clear_flags_as(__func__, __LINE__, \ LOG_TRACE, \ "Client", pcmk__client_name(client), \ (client)->flags, (flags_to_clear), #flags_to_clear); \ } while (0) #define pcmk__set_ipc_flags(ipc_flags, ipc_name, flags_to_set) do { \ ipc_flags = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE, \ "IPC", (ipc_name), \ (ipc_flags), (flags_to_set), \ #flags_to_set); \ } while (0) #define pcmk__clear_ipc_flags(ipc_flags, ipc_name, flags_to_clear) do { \ ipc_flags = pcmk__clear_flags_as(__func__, __LINE__, LOG_TRACE, \ "IPC", (ipc_name), \ (ipc_flags), (flags_to_clear), \ #flags_to_clear); \ } while (0) guint pcmk__ipc_client_count(void); void pcmk__foreach_ipc_client(GHFunc func, gpointer user_data); void pcmk__client_cleanup(void); pcmk__client_t *pcmk__find_client(const qb_ipcs_connection_t *c); pcmk__client_t *pcmk__find_client_by_id(const char *id); const char *pcmk__client_name(const pcmk__client_t *c); const char *pcmk__client_type_str(uint64_t client_type); pcmk__client_t *pcmk__new_unauth_client(void *key); pcmk__client_t *pcmk__new_client(qb_ipcs_connection_t *c, uid_t uid, gid_t gid); void pcmk__free_client(pcmk__client_t *c); void pcmk__drop_all_clients(qb_ipcs_service_t *s); bool pcmk__set_client_queue_max(pcmk__client_t *client, const char *qmax); xmlNode *pcmk__ipc_create_ack_as(const char *function, int line, uint32_t flags, const char *tag, const char *ver, crm_exit_t status); #define pcmk__ipc_create_ack(flags, tag, ver, st) \ pcmk__ipc_create_ack_as(__func__, __LINE__, (flags), (tag), (ver), (st)) int pcmk__ipc_send_ack_as(const char *function, int line, pcmk__client_t *c, uint32_t request, uint32_t flags, const char *tag, const char *ver, crm_exit_t status); #define pcmk__ipc_send_ack(c, req, flags, tag, ver, st) \ pcmk__ipc_send_ack_as(__func__, __LINE__, (c), (req), (flags), (tag), (ver), (st)) int pcmk__ipc_prepare_iov(uint32_t request, const xmlNode *message, uint32_t max_send_size, struct iovec **result, ssize_t *bytes); int pcmk__ipc_send_xml(pcmk__client_t *c, uint32_t request, const xmlNode *message, uint32_t flags); int pcmk__ipc_send_iov(pcmk__client_t *c, struct iovec *iov, uint32_t flags); xmlNode *pcmk__client_data2xml(pcmk__client_t *c, void *data, uint32_t *id, uint32_t *flags); int pcmk__client_pid(qb_ipcs_connection_t *c); void pcmk__serve_attrd_ipc(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb); void pcmk__serve_fenced_ipc(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb); void pcmk__serve_pacemakerd_ipc(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb); qb_ipcs_service_t *pcmk__serve_schedulerd_ipc(struct qb_ipcs_service_handlers *cb); qb_ipcs_service_t *pcmk__serve_controld_ipc(struct qb_ipcs_service_handlers *cb); void pcmk__serve_based_ipc(qb_ipcs_service_t **ipcs_ro, qb_ipcs_service_t **ipcs_rw, qb_ipcs_service_t **ipcs_shm, struct qb_ipcs_service_handlers *ro_cb, struct qb_ipcs_service_handlers *rw_cb); void pcmk__stop_based_ipc(qb_ipcs_service_t *ipcs_ro, qb_ipcs_service_t *ipcs_rw, qb_ipcs_service_t *ipcs_shm); static inline const char * pcmk__ipc_sys_name(const char *ipc_name, const char *fallback) { return ipc_name ? ipc_name : ((crm_system_name ? crm_system_name : fallback)); } const char *pcmk__pcmkd_state_enum2friendly(enum pcmk_pacemakerd_state state); const char *pcmk__controld_api_reply2str(enum pcmk_controld_api_reply reply); const char *pcmk__pcmkd_api_reply2str(enum pcmk_pacemakerd_api_reply reply); #ifdef __cplusplus } #endif #endif diff --git a/include/crm/msg_xml.h b/include/crm/msg_xml.h index a30d4693ac..dcba6e5ea3 100644 --- a/include/crm/msg_xml.h +++ b/include/crm/msg_xml.h @@ -1,253 +1,254 @@ /* * 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. */ #ifndef PCMK__CRM_MSG_XML__H # define PCMK__CRM_MSG_XML__H # include #if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1) #include #endif #ifdef __cplusplus extern "C" { #endif /* This file defines constants for various XML syntax (mainly element and * attribute names). * * For consistency, new constants should start with "PCMK_", followed by: * * "XE" for XML element names * * "XA" for XML attribute names * * "OPT" for cluster option (property) names * * "META" for meta-attribute names * * "VALUE" for enumerated values for various options * * Old names that don't follow this policy should eventually be deprecated and * replaced with names that do. * * Symbols should be public if the user may specify them somewhere (especially * the CIB) or if they're part of a well-defined structure that a user may need * to parse. They should be internal if they're used only internally to * Pacemaker (such as daemon IPC/CPG message XML). * * Constants belong in the following locations: * * Public "XE" and "XA": msg_xml.h * * Internal "XE" and "XA": crm_internal.h * * Public "OPT", "META", and "VALUE": options.h * * Internal "OPT", "META", and "VALUE": options_internal.h * * For meta-attributes that can be specified as either XML attributes or nvpair * names, use "META" unless using both "XA" and "META" constants adds clarity. * An example is operation attributes, which can be specified either as * attributes of the PCMK_XE_OP element or as nvpairs in a meta-attribute set * beneath the PCMK_XE_OP element. */ /* * XML elements */ #define PCMK_XE_ACL_GROUP "acl_group" #define PCMK_XE_ACL_PERMISSION "acl_permission" #define PCMK_XE_ACL_ROLE "acl_role" #define PCMK_XE_ACL_TARGET "acl_target" #define PCMK_XE_ACLS "acls" #define PCMK_XE_ACTION "action" #define PCMK_XE_ACTIONS "actions" #define PCMK_XE_ALERT "alert" #define PCMK_XE_ALERTS "alerts" #define PCMK_XE_ATTRIBUTE "attribute" #define PCMK_XE_BUNDLE "bundle" #define PCMK_XE_CHANGE "change" #define PCMK_XE_CHANGE_ATTR "change-attr" #define PCMK_XE_CHANGE_LIST "change-list" #define PCMK_XE_CHANGE_RESULT "change-result" #define PCMK_XE_CIB "cib" #define PCMK_XE_CLONE "clone" #define PCMK_XE_CLUSTER_PROPERTY_SET "cluster_property_set" #define PCMK_XE_CONFIGURATION "configuration" #define PCMK_XE_CONSTRAINTS "constraints" #define PCMK_XE_CONTENT "content" #define PCMK_XE_CRM_CONFIG "crm_config" #define PCMK_XE_DATE_EXPRESSION "date_expression" #define PCMK_XE_DIFF "diff" #define PCMK_XE_EXPRESSION "expression" #define PCMK_XE_FENCING_LEVEL "fencing-level" #define PCMK_XE_FENCING_TOPOLOGY "fencing-topology" #define PCMK_XE_GROUP "group" #define PCMK_XE_INSTANCE_ATTRIBUTES "instance_attributes" #define PCMK_XE_LONGDESC "longdesc" #define PCMK_XE_META_ATTRIBUTES "meta_attributes" #define PCMK_XE_NETWORK "network" #define PCMK_XE_NODE "node" #define PCMK_XE_NODES "nodes" #define PCMK_XE_NVPAIR "nvpair" #define PCMK_XE_OBJ_REF "obj_ref" #define PCMK_XE_OP "op" #define PCMK_XE_OP_DEFAULTS "op_defaults" #define PCMK_XE_OPERATION "operation" #define PCMK_XE_OP_EXPRESSION "op_expression" #define PCMK_XE_OPTION "option" #define PCMK_XE_PARAMETER "parameter" #define PCMK_XE_PARAMETERS "parameters" #define PCMK_XE_PORT_MAPPING "port-mapping" #define PCMK_XE_POSITION "position" #define PCMK_XE_PRIMITIVE "primitive" #define PCMK_XE_RECIPIENT "recipient" #define PCMK_XE_RESOURCE_AGENT "resource-agent" #define PCMK_XE_RESOURCE_REF "resource_ref" #define PCMK_XE_RESOURCE_SET "resource_set" #define PCMK_XE_RESOURCES "resources" #define PCMK_XE_ROLE "role" #define PCMK_XE_RULE "rule" #define PCMK_XE_RSC_COLOCATION "rsc_colocation" #define PCMK_XE_RSC_DEFAULTS "rsc_defaults" #define PCMK_XE_RSC_EXPRESSION "rsc_expression" #define PCMK_XE_RSC_LOCATION "rsc_location" #define PCMK_XE_RSC_ORDER "rsc_order" #define PCMK_XE_RSC_TICKET "rsc_ticket" #define PCMK_XE_SELECT "select" #define PCMK_XE_SELECT_ATTRIBUTES "select_attributes" #define PCMK_XE_SELECT_FENCING "select_fencing" #define PCMK_XE_SELECT_NODES "select_nodes" #define PCMK_XE_SELECT_RESOURCES "select_resources" #define PCMK_XE_SHORTDESC "shortdesc" #define PCMK_XE_SOURCE "source" #define PCMK_XE_STATUS "status" #define PCMK_XE_STORAGE "storage" #define PCMK_XE_STORAGE_MAPPING "storage-mapping" #define PCMK_XE_TAG "tag" #define PCMK_XE_TAGS "tags" #define PCMK_XE_TARGET "target" #define PCMK_XE_TEMPLATE "template" #define PCMK_XE_TICKET "ticket" #define PCMK_XE_TICKETS "tickets" #define PCMK_XE_UTILIZATION "utilization" #define PCMK_XE_VERSION "version" /* * XML attributes */ #define PCMK_XA_ACTION "action" #define PCMK_XA_ADD_HOST "add-host" #define PCMK_XA_ADMIN_EPOCH "admin_epoch" #define PCMK_XA_ATTRIBUTE "attribute" #define PCMK_XA_BOOLEAN_OP "boolean-op" #define PCMK_XA_CIB_LAST_WRITTEN "cib-last-written" #define PCMK_XA_CLASS "class" #define PCMK_XA_CLIENT "client" #define PCMK_XA_CONTROL_PORT "control-port" #define PCMK_XA_CRM_DEBUG_ORIGIN "crm-debug-origin" #define PCMK_XA_CRM_FEATURE_SET "crm_feature_set" #define PCMK_XA_CRM_TIMESTAMP "crm-timestamp" #define PCMK_XA_DC_UUID "dc-uuid" #define PCMK_XA_DEFAULT "default" #define PCMK_XA_DELEGATE "delegate" #define PCMK_XA_DESCRIPTION "description" #define PCMK_XA_DEVICES "devices" #define PCMK_XA_EPOCH "epoch" #define PCMK_XA_EXEC_TIME "exec-time" #define PCMK_XA_EXECUTION_DATE "execution-date" #define PCMK_XA_EXIT_REASON "exit-reason" #define PCMK_XA_FAILED "failed" #define PCMK_XA_FIRST "first" #define PCMK_XA_FIRST_ACTION "first-action" #define PCMK_XA_FORMAT "format" #define PCMK_XA_HAVE_QUORUM "have-quorum" #define PCMK_XA_HOST "host" #define PCMK_XA_HOST_INTERFACE "host-interface" #define PCMK_XA_HOST_NETMASK "host-netmask" #define PCMK_XA_ID "id" #define PCMK_XA_ID_REF "id-ref" #define PCMK_XA_IMAGE "image" #define PCMK_XA_INDEX "index" #define PCMK_XA_INFLUENCE "influence" #define PCMK_XA_INTERNAL_PORT "internal-port" #define PCMK_XA_IP_RANGE_START "ip-range-start" #define PCMK_XA_KIND "kind" #define PCMK_XA_LANG "lang" #define PCMK_XA_LAST_RC_CHANGE "last-rc-change" #define PCMK_XA_LOSS_POLICY "loss-policy" #define PCMK_XA_MIXED_VERSION "mixed_version" #define PCMK_XA_NAME "name" #define PCMK_XA_NETWORK "network" #define PCMK_XA_NO_QUORUM_PANIC "no-quorum-panic" #define PCMK_XA_NODE "node" #define PCMK_XA_NODE_ATTRIBUTE "node-attribute" #define PCMK_XA_NUM_UPDATES "num_updates" #define PCMK_XA_OBJECT_TYPE "object-type" #define PCMK_XA_OP "op" #define PCMK_XA_OPERATION "operation" #define PCMK_XA_OPTIONS "options" #define PCMK_XA_ORIGIN "origin" #define PCMK_XA_PATH "path" #define PCMK_XA_PORT "port" #define PCMK_XA_PRESENT "present" #define PCMK_XA_PROMOTED_MAX "promoted-max" #define PCMK_XA_PROVIDER "provider" #define PCMK_XA_QUEUE_TIME "queue-time" #define PCMK_XA_RANGE "range" #define PCMK_XA_REASON "reason" #define PCMK_XA_REFERENCE "reference" +#define PCMK_XA_REMOTE_TLS_PORT "remote-tls-port" #define PCMK_XA_REPLICAS "replicas" #define PCMK_XA_REPLICAS_PER_HOST "replicas-per-host" #define PCMK_XA_REQUEST "request" #define PCMK_XA_RESOURCE_DISCOVERY "resource-discovery" #define PCMK_XA_RESULT "result" #define PCMK_XA_ROLE "role" #define PCMK_XA_RSC "rsc" #define PCMK_XA_RSC_PATTERN "rsc-pattern" #define PCMK_XA_RSC_ROLE "rsc-role" #define PCMK_XA_RUN_COMMAND "run-command" #define PCMK_XA_RUNNING "running" #define PCMK_XA_SCOPE "scope" #define PCMK_XA_SCORE "score" #define PCMK_XA_SCORE_ATTRIBUTE "score-attribute" #define PCMK_XA_SEQUENTIAL "sequential" #define PCMK_XA_SOURCE_DIR "source-dir" #define PCMK_XA_SOURCE_DIR_ROOT "source-dir-root" #define PCMK_XA_STATUS "status" #define PCMK_XA_SYMMETRICAL "symmetrical" #define PCMK_XA_TARGET "target" #define PCMK_XA_TARGET_ATTRIBUTE "target-attribute" #define PCMK_XA_TARGET_DIR "target-dir" #define PCMK_XA_TARGET_PATTERN "target-pattern" #define PCMK_XA_TARGET_VALUE "target-value" #define PCMK_XA_TEMPLATE "template" #define PCMK_XA_TICKET "ticket" #define PCMK_XA_TIME "time" #define PCMK_XA_THEN "then" #define PCMK_XA_THEN_ACTION "then-action" #define PCMK_XA_TYPE "type" #define PCMK_XA_UNAME "uname" #define PCMK_XA_USER "user" #define PCMK_XA_UPDATE_CLIENT "update-client" #define PCMK_XA_UPDATE_ORIGIN "update-origin" #define PCMK_XA_UPDATE_USER "update-user" #define PCMK_XA_VALIDATE_WITH "validate-with" #define PCMK_XA_VALUE "value" #define PCMK_XA_VALUE_SOURCE "value-source" #define PCMK_XA_VERSION "version" #define PCMK_XA_WITH_QUORUM "with_quorum" #define PCMK_XA_WITH_RSC "with-rsc" #define PCMK_XA_WITH_RSC_ROLE "with-rsc-role" #define PCMK_XA_XPATH "xpath" # define ID(x) crm_element_value(x, PCMK_XA_ID) #ifdef __cplusplus } #endif #endif diff --git a/lib/cib/cib_ops.c b/lib/cib/cib_ops.c index f05f52cfed..5e70b5d6a7 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(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(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(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) { + if (crm_element_value(top, PCMK_XA_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; }