diff --git a/daemons/based/based_common.c b/daemons/based/based_common.c index 5f0b7a5dbd..13beb779bb 100644 --- a/daemons/based/based_common.c +++ b/daemons/based/based_common.c @@ -1,356 +1,356 @@ /* * Copyright 2008-2023 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 gboolean stand_alone = FALSE; extern int cib_perform_command(xmlNode * request, xmlNode ** reply, xmlNode ** cib_diff, gboolean privileged); static xmlNode * cib_prepare_common(xmlNode * root, const char *section) { xmlNode *data = NULL; /* extract the CIB from the fragment */ if (root == NULL) { return NULL; } else if (pcmk__strcase_any_of(crm_element_name(root), XML_TAG_FRAGMENT, F_CRM_DATA, F_CIB_CALLDATA, NULL)) { data = first_named_child(root, XML_TAG_CIB); } else { data = root; } /* grab the section specified for the command */ if (section != NULL && data != NULL && pcmk__str_eq(crm_element_name(data), XML_TAG_CIB, pcmk__str_none)) { data = pcmk_find_cib_element(data, section); } /* crm_log_xml_trace(root, "cib:input"); */ return data; } static int cib_prepare_none(xmlNode * request, xmlNode ** data, const char **section) { *data = NULL; *section = crm_element_value(request, F_CIB_SECTION); return pcmk_ok; } static int cib_prepare_data(xmlNode * request, xmlNode ** data, const char **section) { xmlNode *input_fragment = get_message_xml(request, F_CIB_CALLDATA); *section = crm_element_value(request, F_CIB_SECTION); *data = cib_prepare_common(input_fragment, *section); /* crm_log_xml_debug(*data, "data"); */ return pcmk_ok; } static int cib_prepare_sync(xmlNode * request, xmlNode ** data, const char **section) { *data = NULL; *section = crm_element_value(request, F_CIB_SECTION); return pcmk_ok; } static int cib_prepare_diff(xmlNode * request, xmlNode ** data, const char **section) { xmlNode *input_fragment = NULL; *data = NULL; *section = NULL; if (pcmk__xe_attr_is_true(request, F_CIB_GLOBAL_UPDATE)) { input_fragment = get_message_xml(request, F_CIB_UPDATE_DIFF); } else { input_fragment = get_message_xml(request, F_CIB_CALLDATA); } CRM_CHECK(input_fragment != NULL, crm_log_xml_warn(request, "no input")); *data = cib_prepare_common(input_fragment, NULL); return pcmk_ok; } static int cib_cleanup_query(int options, xmlNode ** data, xmlNode ** output) { CRM_LOG_ASSERT(*data == NULL); if ((options & cib_no_children) || pcmk__str_eq(crm_element_name(*output), "xpath-query", pcmk__str_casei)) { free_xml(*output); } return pcmk_ok; } static int cib_cleanup_data(int options, xmlNode ** data, xmlNode ** output) { free_xml(*output); *data = NULL; return pcmk_ok; } static int cib_cleanup_output(int options, xmlNode ** data, xmlNode ** output) { free_xml(*output); return pcmk_ok; } static int cib_cleanup_none(int options, xmlNode ** data, xmlNode ** output) { CRM_LOG_ASSERT(*data == NULL); CRM_LOG_ASSERT(*output == NULL); return pcmk_ok; } static cib_operation_t cib_server_ops[] = { { NULL, cib_op_attr_none, cib_prepare_none, cib_cleanup_none, cib_process_default }, { PCMK__CIB_REQUEST_QUERY, cib_op_attr_none, cib_prepare_none, cib_cleanup_query, cib_process_query }, { PCMK__CIB_REQUEST_MODIFY, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_data, cib_cleanup_data, cib_process_modify }, { PCMK__CIB_REQUEST_APPLY_PATCH, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_diff, cib_cleanup_data, cib_server_process_diff }, { PCMK__CIB_REQUEST_REPLACE, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_data, cib_cleanup_data, cib_process_replace_svr }, { PCMK__CIB_REQUEST_CREATE, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_data, cib_cleanup_data, cib_process_create }, { PCMK__CIB_REQUEST_DELETE, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_data, cib_cleanup_data, cib_process_delete }, { PCMK__CIB_REQUEST_SYNC_TO_ALL, cib_op_attr_privileged, cib_prepare_sync, cib_cleanup_none, cib_process_sync }, { PCMK__CIB_REQUEST_BUMP, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_none, cib_cleanup_output, cib_process_bump }, { PCMK__CIB_REQUEST_ERASE, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_none, cib_cleanup_output, cib_process_erase }, { PCMK__CIB_REQUEST_NOOP, cib_op_attr_none, cib_prepare_none, cib_cleanup_none, cib_process_default }, { PCMK__CIB_REQUEST_ABS_DELETE, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_data, cib_cleanup_data, cib_process_delete_absolute }, { PCMK__CIB_REQUEST_UPGRADE, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_none, cib_cleanup_output, cib_process_upgrade_server }, { PCMK__CIB_REQUEST_SECONDARY, cib_op_attr_privileged, cib_prepare_none, cib_cleanup_none, cib_process_readwrite }, { PCMK__CIB_REQUEST_ALL_SECONDARY, cib_op_attr_privileged, cib_prepare_none, cib_cleanup_none, cib_process_readwrite }, { PCMK__CIB_REQUEST_SYNC_TO_ONE, cib_op_attr_privileged, cib_prepare_sync, cib_cleanup_none, cib_process_sync_one }, { PCMK__CIB_REQUEST_PRIMARY, cib_op_attr_modifies|cib_op_attr_privileged, cib_prepare_data, cib_cleanup_data, cib_process_readwrite }, { PCMK__CIB_REQUEST_IS_PRIMARY, cib_op_attr_privileged, cib_prepare_none, cib_cleanup_none, cib_process_readwrite }, { PCMK__CIB_REQUEST_SHUTDOWN, cib_op_attr_privileged, cib_prepare_sync, cib_cleanup_none, cib_process_shutdown_req }, { CRM_OP_PING, cib_op_attr_none, cib_prepare_none, cib_cleanup_output, cib_process_ping }, }; int cib_get_operation_id(const char *op, int *operation) { static GHashTable *operation_hash = NULL; if (operation_hash == NULL) { int lpc = 0; int max_msg_types = PCMK__NELEM(cib_server_ops); operation_hash = pcmk__strkey_table(NULL, free); for (lpc = 1; lpc < max_msg_types; lpc++) { int *value = malloc(sizeof(int)); if(value) { *value = lpc; g_hash_table_insert(operation_hash, (gpointer) cib_server_ops[lpc].operation, value); } } } if (op != NULL) { int *value = g_hash_table_lookup(operation_hash, op); if (value) { *operation = *value; return pcmk_ok; } } crm_err("Operation %s is not valid", op); *operation = -1; return -EINVAL; } xmlNode * cib_msg_copy(xmlNode *msg) { static const char *field_list[] = { F_XML_TAGNAME, F_TYPE, F_CIB_CLIENTID, F_CIB_CALLOPTS, F_CIB_CALLID, F_CIB_OPERATION, F_CIB_ISREPLY, F_CIB_SECTION, F_CIB_HOST, F_CIB_RC, F_CIB_DELEGATED, F_CIB_OBJID, F_CIB_OBJTYPE, F_CIB_EXISTING, F_CIB_SEENCOUNT, F_CIB_TIMEOUT, F_CIB_GLOBAL_UPDATE, F_CIB_CLIENTNAME, F_CIB_USER, F_CIB_NOTIFY_TYPE, F_CIB_NOTIFY_ACTIVATE }; xmlNode *copy = create_xml_node(NULL, "copy"); CRM_ASSERT(copy != NULL); for (int lpc = 0; lpc < PCMK__NELEM(field_list); lpc++) { const char *field = field_list[lpc]; const char *value = crm_element_value(msg, field); if (value != NULL) { crm_xml_add(copy, field, value); } } return copy; } -cib_op_t * +cib_op_t cib_op_func(int call_type) { - return &(cib_server_ops[call_type].fn); + return cib_server_ops[call_type].fn; } gboolean cib_op_modifies(int call_type) { return pcmk_is_set(cib_server_ops[call_type].flags, cib_op_attr_modifies); } int cib_op_can_run(int call_type, int call_options, bool privileged) { if (!privileged && pcmk_is_set(cib_server_ops[call_type].flags, cib_op_attr_privileged)) { return -EACCES; } return pcmk_ok; } int cib_op_prepare(int call_type, xmlNode * request, xmlNode ** input, const char **section) { crm_trace("Prepare %d", call_type); return cib_server_ops[call_type].prepare(request, input, section); } int cib_op_cleanup(int call_type, int options, xmlNode ** input, xmlNode ** output) { crm_trace("Cleanup %d", call_type); return cib_server_ops[call_type].cleanup(options, input, output); } diff --git a/daemons/based/pacemaker-based.h b/daemons/based/pacemaker-based.h index a741d0ce85..201be8b107 100644 --- a/daemons/based/pacemaker-based.h +++ b/daemons/based/pacemaker-based.h @@ -1,160 +1,160 @@ /* * Copyright 2004-2023 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 PACEMAKER_BASED__H # define PACEMAKER_BASED__H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_GNUTLS_GNUTLS_H # include #endif // CIB-specific client flags enum cib_client_flags { // Notifications cib_notify_pre = (UINT64_C(1) << 0), cib_notify_post = (UINT64_C(1) << 1), cib_notify_replace = (UINT64_C(1) << 2), cib_notify_confirm = (UINT64_C(1) << 3), cib_notify_diff = (UINT64_C(1) << 4), // Whether client is another cluster daemon cib_is_daemon = (UINT64_C(1) << 12), }; /*! * \internal * \enum cib_op_attr * \brief Bit flags for CIB operation attributes */ enum cib_op_attr { cib_op_attr_none = 0, //!< No special attributes cib_op_attr_modifies = (1 << 1), //!< Modifies CIB cib_op_attr_privileged = (1 << 2), //!< Requires privileges }; typedef struct cib_operation_s { const char *operation; uint32_t flags; //!< Group of enum cib_op_attr flags int (*prepare) (xmlNode *, xmlNode **, const char **); int (*cleanup) (int, xmlNode **, xmlNode **); int (*fn) (const char *, int, const char *, xmlNode *, xmlNode *, xmlNode *, xmlNode **, xmlNode **); } cib_operation_t; extern bool based_is_primary; extern GHashTable *config_hash; extern xmlNode *the_cib; extern crm_trigger_t *cib_writer; extern gboolean cib_writes_enabled; extern GMainLoop *mainloop; extern crm_cluster_t *crm_cluster; extern GHashTable *local_notify_queue; extern gboolean legacy_mode; extern gboolean stand_alone; extern gboolean cib_shutdown_flag; extern gchar *cib_root; extern int cib_status; extern pcmk__output_t *logger_out; extern struct qb_ipcs_service_handlers ipc_ro_callbacks; extern struct qb_ipcs_service_handlers ipc_rw_callbacks; extern qb_ipcs_service_t *ipcs_ro; extern qb_ipcs_service_t *ipcs_rw; extern qb_ipcs_service_t *ipcs_shm; void cib_peer_callback(xmlNode *msg, void *private_data); void cib_common_callback_worker(uint32_t id, uint32_t flags, xmlNode *op_request, pcmk__client_t *cib_client, gboolean privileged); void cib_shutdown(int nsig); void terminate_cib(const char *caller, int fast); gboolean cib_legacy_mode(void); gboolean uninitializeCib(void); xmlNode *readCibXmlFile(const char *dir, const char *file, gboolean discard_status); int activateCibXml(xmlNode *doc, gboolean to_disk, const char *op); int cib_process_shutdown_req(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_process_default(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_process_ping(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_process_readwrite(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_process_replace_svr(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_server_process_diff(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_process_sync(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_process_sync_one(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_process_delete_absolute(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); int cib_process_upgrade_server(const char *op, int options, const char *section, xmlNode *req, xmlNode *input, xmlNode *existing_cib, xmlNode **result_cib, xmlNode **answer); void send_sync_request(const char *host); int sync_our_cib(xmlNode *request, gboolean all); xmlNode *cib_msg_copy(xmlNode *msg); int cib_get_operation_id(const char *op, int *operation); -cib_op_t *cib_op_func(int call_type); +cib_op_t cib_op_func(int call_type); gboolean cib_op_modifies(int call_type); int cib_op_prepare(int call_type, xmlNode *request, xmlNode **input, const char **section); int cib_op_cleanup(int call_type, int options, xmlNode **input, xmlNode **output); int cib_op_can_run(int call_type, int call_options, bool privileged); void cib_diff_notify(const char *op, int result, const char *call_id, const char *client_id, const char *client_name, const char *origin, xmlNode *update, xmlNode *diff); void cib_replace_notify(const char *op, int result, const char *call_id, const char *client_id, const char *client_name, const char *origin, xmlNode *update, xmlNode *diff, uint32_t change_section); static inline const char * cib_config_lookup(const char *opt) { return g_hash_table_lookup(config_hash, opt); } #endif // PACEMAKER_BASED__H diff --git a/include/crm/cib/internal.h b/include/crm/cib/internal.h index 374902b359..2a44b9dcee 100644 --- a/include/crm/cib/internal.h +++ b/include/crm/cib/internal.h @@ -1,264 +1,264 @@ /* * Copyright 2004-2023 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 CIB_INTERNAL__H # define CIB_INTERNAL__H # include # include # include // Request types for CIB manager IPC/CPG #define PCMK__CIB_REQUEST_SECONDARY "cib_slave" #define PCMK__CIB_REQUEST_ALL_SECONDARY "cib_slave_all" #define PCMK__CIB_REQUEST_PRIMARY "cib_master" #define PCMK__CIB_REQUEST_SYNC_TO_ALL "cib_sync" #define PCMK__CIB_REQUEST_SYNC_TO_ONE "cib_sync_one" #define PCMK__CIB_REQUEST_IS_PRIMARY "cib_ismaster" #define PCMK__CIB_REQUEST_BUMP "cib_bump" #define PCMK__CIB_REQUEST_QUERY "cib_query" #define PCMK__CIB_REQUEST_CREATE "cib_create" #define PCMK__CIB_REQUEST_MODIFY "cib_modify" #define PCMK__CIB_REQUEST_DELETE "cib_delete" #define PCMK__CIB_REQUEST_ERASE "cib_erase" #define PCMK__CIB_REQUEST_REPLACE "cib_replace" #define PCMK__CIB_REQUEST_APPLY_PATCH "cib_apply_diff" #define PCMK__CIB_REQUEST_UPGRADE "cib_upgrade" #define PCMK__CIB_REQUEST_ABS_DELETE "cib_delete_alt" #define PCMK__CIB_REQUEST_NOOP "noop" #define PCMK__CIB_REQUEST_SHUTDOWN "cib_shutdown_req" # define F_CIB_CLIENTID "cib_clientid" # define F_CIB_CALLOPTS "cib_callopt" # define F_CIB_CALLID "cib_callid" # define F_CIB_CALLDATA "cib_calldata" # define F_CIB_OPERATION "cib_op" # define F_CIB_ISREPLY "cib_isreplyto" # define F_CIB_SECTION "cib_section" # define F_CIB_HOST "cib_host" # define F_CIB_RC "cib_rc" # define F_CIB_UPGRADE_RC "cib_upgrade_rc" # define F_CIB_DELEGATED "cib_delegated_from" # define F_CIB_OBJID "cib_object" # define F_CIB_OBJTYPE "cib_object_type" # define F_CIB_EXISTING "cib_existing_object" # define F_CIB_SEENCOUNT "cib_seen" # define F_CIB_TIMEOUT "cib_timeout" # define F_CIB_UPDATE "cib_update" # define F_CIB_GLOBAL_UPDATE "cib_update" # define F_CIB_UPDATE_RESULT "cib_update_result" # define F_CIB_CLIENTNAME "cib_clientname" # define F_CIB_NOTIFY_TYPE "cib_notify_type" # define F_CIB_NOTIFY_ACTIVATE "cib_notify_activate" # define F_CIB_UPDATE_DIFF "cib_update_diff" # define F_CIB_USER "cib_user" # define F_CIB_LOCAL_NOTIFY_ID "cib_local_notify_id" # define F_CIB_PING_ID "cib_ping_id" # define F_CIB_SCHEMA_MAX "cib_schema_max" # define F_CIB_CHANGE_SECTION "cib_change_section" # define T_CIB "cib" # define T_CIB_NOTIFY "cib_notify" /* notify sub-types */ # define T_CIB_PRE_NOTIFY "cib_pre_notify" # define T_CIB_POST_NOTIFY "cib_post_notify" # define T_CIB_UPDATE_CONFIRM "cib_update_confirmation" # define T_CIB_REPLACE_NOTIFY "cib_refresh_notify" /*! * \internal * \enum cib_change_section_info * \brief Flags to indicate which sections of the CIB have changed */ enum cib_change_section_info { cib_change_section_none = 0, //!< No sections have changed cib_change_section_nodes = (1 << 0), //!< The nodes section has changed cib_change_section_alerts = (1 << 1), //!< The alerts section has changed cib_change_section_status = (1 << 2), //!< The status section has changed }; gboolean cib_diff_version_details(xmlNode * diff, int *admin_epoch, int *epoch, int *updates, int *_admin_epoch, int *_epoch, int *_updates); gboolean cib_read_config(GHashTable * options, xmlNode * current_cib); typedef struct cib_notify_client_s { const char *event; const char *obj_id; /* implement one day */ const char *obj_type; /* implement one day */ void (*callback) (const char *event, xmlNode * msg); } cib_notify_client_t; typedef struct cib_callback_client_s { void (*callback) (xmlNode *, int, int, xmlNode *, void *); const char *id; void *user_data; gboolean only_success; struct timer_rec_s *timer; void (*free_func)(void *); } cib_callback_client_t; struct timer_rec_s { int call_id; int timeout; guint ref; cib_t *cib; }; #define cib__set_call_options(cib_call_opts, call_for, flags_to_set) do { \ cib_call_opts = pcmk__set_flags_as(__func__, __LINE__, \ LOG_TRACE, "CIB call", (call_for), (cib_call_opts), \ (flags_to_set), #flags_to_set); \ } while (0) #define cib__clear_call_options(cib_call_opts, call_for, flags_to_clear) do { \ cib_call_opts = pcmk__clear_flags_as(__func__, __LINE__, \ LOG_TRACE, "CIB call", (call_for), (cib_call_opts), \ (flags_to_clear), #flags_to_clear); \ } while (0) typedef int (*cib_op_t) (const char *, int, const char *, xmlNode *, xmlNode *, xmlNode *, xmlNode **, xmlNode **); cib_t *cib_new_variant(void); -int cib_perform_op(const char *op, int call_options, cib_op_t * fn, gboolean is_query, +int cib_perform_op(const char *op, int call_options, cib_op_t fn, gboolean is_query, const char *section, xmlNode * req, xmlNode * input, gboolean manage_counters, gboolean * config_changed, xmlNode * current_cib, xmlNode ** result_cib, xmlNode ** diff, xmlNode ** output); xmlNode *cib_create_op(int call_id, const char *op, const char *host, const char *section, xmlNode * data, int call_options, const char *user_name); void cib_native_callback(cib_t * cib, xmlNode * msg, int call_id, int rc); void cib_native_notify(gpointer data, gpointer user_data); int cib_process_query(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); 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 cib_process_bump(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); 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 cib_process_create(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); int cib_process_modify(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); int cib_process_delete(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); int cib_process_diff(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); int cib_process_upgrade(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); /*! * \internal * \brief Query or modify a CIB * * \param[in] op PCMK__CIB_REQUEST_* operation to be performed * \param[in] options Flag set of \c cib_call_options * \param[in] section XPath to query or modify * \param[in] req unused * \param[in] input Portion of CIB to modify (used with * PCMK__CIB_REQUEST_CREATE, * PCMK__CIB_REQUEST_MODIFY, and * PCMK__CIB_REQUEST_REPLACE) * \param[in,out] existing_cib Input CIB (used with PCMK__CIB_REQUEST_QUERY) * \param[in,out] result_cib CIB copy to make changes in (used with * PCMK__CIB_REQUEST_CREATE, * PCMK__CIB_REQUEST_MODIFY, * PCMK__CIB_REQUEST_DELETE, and * PCMK__CIB_REQUEST_REPLACE) * \param[out] answer Query result (used with PCMK__CIB_REQUEST_QUERY) * * \return Legacy Pacemaker return code */ 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); bool cib__config_changed_v1(xmlNode *last, xmlNode *next, xmlNode **diff); int cib_internal_op(cib_t * cib, const char *op, const char *host, const char *section, xmlNode * data, xmlNode ** output_data, int call_options, const char *user_name); int cib_file_read_and_verify(const char *filename, const char *sigfile, xmlNode **root); int cib_file_write_with_digest(xmlNode *cib_root, const char *cib_dirname, const char *cib_filename); void cib__set_output(cib_t *cib, pcmk__output_t *out); cib_callback_client_t* cib__lookup_id (int call_id); /*! * \internal * \brief Connect to, query, and optionally disconnect from the CIB * * Open a read-write connection to the CIB manager if an already connected * client is not passed in. Then query the CIB and store the resulting XML. * Finally, disconnect if the CIB connection isn't being returned to the caller. * * \param[in,out] out Output object (may be \p NULL) * \param[in,out] cib If not \p NULL, where to store CIB connection * \param[out] cib_object Where to store query result * * \return Standard Pacemaker return code * * \note If \p cib is not \p NULL, the caller is responsible for freeing \p *cib * using \p cib_delete(). * \note If \p *cib points to an existing \p cib_t object, this function will * reuse it instead of creating a new one. If the existing client is * already connected, the connection will be reused, even if it's * read-only. */ int cib__signon_query(pcmk__output_t *out, cib_t **cib, xmlNode **cib_object); int cib__clean_up_connection(cib_t **cib); int cib__update_node_attr(pcmk__output_t *out, cib_t *cib, int call_options, const char *section, const char *node_uuid, const char *set_type, const char *set_name, const char *attr_id, const char *attr_name, const char *attr_value, const char *user_name, const char *node_type); int cib__get_node_attrs(pcmk__output_t *out, cib_t *cib, const char *section, const char *node_uuid, const char *set_type, const char *set_name, const char *attr_id, const char *attr_name, const char *user_name, xmlNode **result); int cib__delete_node_attr(pcmk__output_t *out, cib_t *cib, int options, const char *section, const char *node_uuid, const char *set_type, const char *set_name, const char *attr_id, const char *attr_name, const char *attr_value, const char *user_name); #endif diff --git a/lib/cib/cib_file.c b/lib/cib/cib_file.c index feb56b3e25..d808b5bdda 100644 --- a/lib/cib/cib_file.c +++ b/lib/cib/cib_file.c @@ -1,920 +1,920 @@ /* * Original copyright 2004 International Business Machines * Later changes copyright 2008-2023 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 #include #include #define CIB_SERIES "cib" #define CIB_SERIES_MAX 100 #define CIB_SERIES_BZIP FALSE /* Must be false because archived copies are created with hard links */ #define CIB_LIVE_NAME CIB_SERIES ".xml" enum cib_file_flags { cib_file_flag_dirty = (1 << 0), cib_file_flag_live = (1 << 1), }; typedef struct cib_file_opaque_s { uint32_t flags; // Group of enum cib_file_flags char *filename; } cib_file_opaque_t; struct cib_func_entry { const char *op; gboolean read_only; cib_op_t fn; }; static struct cib_func_entry cib_file_ops[] = { { PCMK__CIB_REQUEST_QUERY, TRUE, cib_process_query }, { PCMK__CIB_REQUEST_MODIFY, FALSE, cib_process_modify }, { PCMK__CIB_REQUEST_APPLY_PATCH, FALSE, cib_process_diff }, { PCMK__CIB_REQUEST_BUMP, FALSE, cib_process_bump }, { PCMK__CIB_REQUEST_REPLACE, FALSE, cib_process_replace }, { PCMK__CIB_REQUEST_CREATE, FALSE, cib_process_create }, { PCMK__CIB_REQUEST_DELETE, FALSE, cib_process_delete }, { PCMK__CIB_REQUEST_ERASE, FALSE, cib_process_erase }, { PCMK__CIB_REQUEST_UPGRADE, FALSE, cib_process_upgrade }, }; static xmlNode *in_mem_cib = NULL; /* cib_file_backup() and cib_file_write_with_digest() need to chown the * written files only in limited circumstances, so these variables allow * that to be indicated without affecting external callers */ static uid_t cib_file_owner = 0; static uid_t cib_file_group = 0; static gboolean cib_do_chown = FALSE; #define cib_set_file_flags(cibfile, flags_to_set) do { \ (cibfile)->flags = pcmk__set_flags_as(__func__, __LINE__, \ LOG_TRACE, "CIB file", \ cibfile->filename, \ (cibfile)->flags, \ (flags_to_set), \ #flags_to_set); \ } while (0) #define cib_clear_file_flags(cibfile, flags_to_clear) do { \ (cibfile)->flags = pcmk__clear_flags_as(__func__, __LINE__, \ LOG_TRACE, "CIB file", \ cibfile->filename, \ (cibfile)->flags, \ (flags_to_clear), \ #flags_to_clear); \ } while (0) /*! * \internal * \brief Check whether a file is the live CIB * * \param[in] filename Name of file to check * * \return TRUE if file exists and its real path is same as live CIB's */ static gboolean cib_file_is_live(const char *filename) { gboolean same = FALSE; if (filename != NULL) { // Canonicalize file names for true comparison char *real_filename = NULL; if (pcmk__real_path(filename, &real_filename) == pcmk_rc_ok) { char *real_livename = NULL; if (pcmk__real_path(CRM_CONFIG_DIR "/" CIB_LIVE_NAME, &real_livename) == pcmk_rc_ok) { same = !strcmp(real_filename, real_livename); free(real_livename); } free(real_filename); } } return same; } static int cib_file_perform_op_delegate(cib_t *cib, const char *op, const char *host, const char *section, xmlNode *data, xmlNode **output_data, int call_options, const char *user_name) { int rc = pcmk_ok; char *effective_user = NULL; gboolean query = FALSE; gboolean changed = FALSE; xmlNode *request = NULL; xmlNode *output = NULL; xmlNode *cib_diff = NULL; xmlNode *result_cib = NULL; - cib_op_t *fn = NULL; + cib_op_t fn = NULL; int lpc = 0; static int max_msg_types = PCMK__NELEM(cib_file_ops); cib_file_opaque_t *private = cib->variant_opaque; crm_info("Handling %s operation for %s as %s", (op? op : "invalid"), (section? section : "entire CIB"), (user_name? user_name : "default user")); cib__set_call_options(call_options, "file operation", cib_no_mtime|cib_inhibit_bcast|cib_scope_local); if (cib->state == cib_disconnected) { return -ENOTCONN; } if (output_data != NULL) { *output_data = NULL; } if (op == NULL) { return -EINVAL; } for (lpc = 0; lpc < max_msg_types; lpc++) { if (pcmk__str_eq(op, cib_file_ops[lpc].op, pcmk__str_casei)) { - fn = &(cib_file_ops[lpc].fn); + fn = cib_file_ops[lpc].fn; query = cib_file_ops[lpc].read_only; break; } } if (fn == NULL) { return -EPROTONOSUPPORT; } cib->call_id++; request = cib_create_op(cib->call_id, op, host, section, data, call_options, user_name); if(user_name) { crm_xml_add(request, XML_ACL_TAG_USER, user_name); } /* Mirror the logic in cib_prepare_common() */ if (section != NULL && data != NULL && pcmk__str_eq(crm_element_name(data), XML_TAG_CIB, pcmk__str_none)) { data = pcmk_find_cib_element(data, section); } rc = cib_perform_op(op, call_options, fn, query, section, request, data, TRUE, &changed, in_mem_cib, &result_cib, &cib_diff, &output); free_xml(request); if (rc == -pcmk_err_schema_validation) { validate_xml_verbose(result_cib); } if (rc != pcmk_ok) { free_xml(result_cib); } else if (query == FALSE) { pcmk__output_t *out = NULL; rc = pcmk_rc2legacy(pcmk__log_output_new(&out)); CRM_CHECK(rc == pcmk_ok, goto done); pcmk__output_set_log_level(out, LOG_DEBUG); rc = out->message(out, "xml-patchset", cib_diff); out->finish(out, pcmk_rc2exitc(rc), true, NULL); pcmk__output_free(out); rc = pcmk_ok; free_xml(in_mem_cib); in_mem_cib = result_cib; cib_set_file_flags(private, cib_file_flag_dirty); } // Global operation callback (deprecated) if (cib->op_callback != NULL) { cib->op_callback(NULL, cib->call_id, rc, output); } if ((output_data != NULL) && (output != NULL)) { *output_data = (output == in_mem_cib)? copy_xml(output) : output; } done: free_xml(cib_diff); if ((output_data == NULL) && (output != in_mem_cib)) { /* Don't free output if we're still using it. (output_data != NULL) * means we may have assigned *output_data = output above. */ free_xml(output); } free(effective_user); return rc; } /*! * \internal * \brief Read CIB from disk and validate it against XML schema * * \param[in] filename Name of file to read CIB from * * \return pcmk_ok on success, * -ENXIO if file does not exist (or stat() otherwise fails), or * -pcmk_err_schema_validation if XML doesn't parse or validate * \note If filename is the live CIB, this will *not* verify its digest, * though that functionality would be trivial to add here. * Also, this will *not* verify that the file is writable, * because some callers might not need to write. */ static int load_file_cib(const char *filename) { struct stat buf; xmlNode *root = NULL; /* Ensure file is readable */ if (strcmp(filename, "-") && (stat(filename, &buf) < 0)) { return -ENXIO; } /* Parse XML from file */ root = filename2xml(filename); if (root == NULL) { return -pcmk_err_schema_validation; } /* Add a status section if not already present */ if (find_xml_node(root, XML_CIB_TAG_STATUS, FALSE) == NULL) { create_xml_node(root, XML_CIB_TAG_STATUS); } /* Validate XML against its specified schema */ if (validate_xml(root, NULL, TRUE) == FALSE) { const char *schema = crm_element_value(root, XML_ATTR_VALIDATION); crm_err("CIB does not validate against %s", schema); free_xml(root); return -pcmk_err_schema_validation; } /* Remember the parsed XML for later use */ in_mem_cib = root; return pcmk_ok; } static int cib_file_signon(cib_t *cib, const char *name, enum cib_conn_type type) { int rc = pcmk_ok; cib_file_opaque_t *private = cib->variant_opaque; if (private->filename == NULL) { rc = -EINVAL; } else { rc = load_file_cib(private->filename); } if (rc == pcmk_ok) { crm_debug("Opened connection to local file '%s' for %s", private->filename, name); cib->state = cib_connected_command; cib->type = cib_command; } else { crm_info("Connection to local file '%s' for %s failed: %s\n", private->filename, name, pcmk_strerror(rc)); } return rc; } /*! * \internal * \brief Write out the in-memory CIB to a live CIB file * * param[in,out] path Full path to file to write * * \return 0 on success, -1 on failure */ static int cib_file_write_live(char *path) { uid_t uid = geteuid(); struct passwd *daemon_pwent; char *sep = strrchr(path, '/'); const char *cib_dirname, *cib_filename; int rc = 0; /* Get the desired uid/gid */ errno = 0; daemon_pwent = getpwnam(CRM_DAEMON_USER); if (daemon_pwent == NULL) { crm_perror(LOG_ERR, "Could not find %s user", CRM_DAEMON_USER); return -1; } /* If we're root, we can change the ownership; * if we're daemon, anything we create will be OK; * otherwise, block access so we don't create wrong owner */ if ((uid != 0) && (uid != daemon_pwent->pw_uid)) { crm_perror(LOG_ERR, "Must be root or %s to modify live CIB", CRM_DAEMON_USER); return 0; } /* fancy footwork to separate dirname from filename * (we know the canonical name maps to the live CIB, * but the given name might be relative, or symlinked) */ if (sep == NULL) { /* no directory component specified */ cib_dirname = "./"; cib_filename = path; } else if (sep == path) { /* given name is in / */ cib_dirname = "/"; cib_filename = path + 1; } else { /* typical case; split given name into parts */ *sep = '\0'; cib_dirname = path; cib_filename = sep + 1; } /* if we're root, we want to update the file ownership */ if (uid == 0) { cib_file_owner = daemon_pwent->pw_uid; cib_file_group = daemon_pwent->pw_gid; cib_do_chown = TRUE; } /* write the file */ if (cib_file_write_with_digest(in_mem_cib, cib_dirname, cib_filename) != pcmk_ok) { rc = -1; } /* turn off file ownership changes, for other callers */ if (uid == 0) { cib_do_chown = FALSE; } /* undo fancy stuff */ if ((sep != NULL) && (*sep == '\0')) { *sep = '/'; } return rc; } /*! * \internal * \brief Sign-off method for CIB file variants * * This will write the file to disk if needed, and free the in-memory CIB. If * the file is the live CIB, it will compute and write a signature as well. * * \param[in,out] cib CIB object to sign off * * \return pcmk_ok on success, pcmk_err_generic on failure * \todo This method should refuse to write the live CIB if the CIB manager is * running. */ static int cib_file_signoff(cib_t *cib) { int rc = pcmk_ok; cib_file_opaque_t *private = cib->variant_opaque; crm_debug("Disconnecting from the CIB manager"); cib->state = cib_disconnected; cib->type = cib_no_connection; /* If the in-memory CIB has been changed, write it to disk */ if (pcmk_is_set(private->flags, cib_file_flag_dirty)) { /* If this is the live CIB, write it out with a digest */ if (pcmk_is_set(private->flags, cib_file_flag_live)) { if (cib_file_write_live(private->filename) < 0) { rc = pcmk_err_generic; } /* Otherwise, it's a simple write */ } else { gboolean do_bzip = pcmk__ends_with_ext(private->filename, ".bz2"); if (write_xml_file(in_mem_cib, private->filename, do_bzip) <= 0) { rc = pcmk_err_generic; } } if (rc == pcmk_ok) { crm_info("Wrote CIB to %s", private->filename); cib_clear_file_flags(private, cib_file_flag_dirty); } else { crm_err("Could not write CIB to %s", private->filename); } } /* Free the in-memory CIB */ free_xml(in_mem_cib); in_mem_cib = NULL; return rc; } static int cib_file_free(cib_t *cib) { int rc = pcmk_ok; if (cib->state != cib_disconnected) { rc = cib_file_signoff(cib); } if (rc == pcmk_ok) { cib_file_opaque_t *private = cib->variant_opaque; free(private->filename); free(cib->cmds); free(private); free(cib); } else { fprintf(stderr, "Couldn't sign off: %d\n", rc); } return rc; } static int cib_file_inputfd(cib_t *cib) { return -EPROTONOSUPPORT; } static int cib_file_register_notification(cib_t *cib, const char *callback, int enabled) { return -EPROTONOSUPPORT; } static int cib_file_set_connection_dnotify(cib_t *cib, void (*dnotify) (gpointer user_data)) { return -EPROTONOSUPPORT; } /*! * \internal * \brief Get the given CIB connection's unique client identifier * * \param[in] cib CIB connection * \param[out] async_id If not \p NULL, where to store asynchronous client ID * \param[out] sync_id If not \p NULL, where to store synchronous client ID * * \return Legacy Pacemaker return code (specifically, \p -EPROTONOSUPPORT) * * \note This is the \p cib_file variant implementation of * \p cib_api_operations_t:client_id(). * \note A \p cib_file object doesn't connect to the CIB and is never assigned a * client ID. */ static int cib_file_client_id(const cib_t *cib, const char **async_id, const char **sync_id) { if (async_id != NULL) { *async_id = NULL; } if (sync_id != NULL) { *sync_id = NULL; } return -EPROTONOSUPPORT; } cib_t * cib_file_new(const char *cib_location) { cib_file_opaque_t *private = NULL; cib_t *cib = cib_new_variant(); if (cib == NULL) { return NULL; } private = calloc(1, sizeof(cib_file_opaque_t)); if (private == NULL) { free(cib); return NULL; } cib->variant = cib_file; cib->variant_opaque = private; if (cib_location == NULL) { cib_location = getenv("CIB_file"); CRM_CHECK(cib_location != NULL, return NULL); // Shouldn't be possible } private->flags = 0; if (cib_file_is_live(cib_location)) { cib_set_file_flags(private, cib_file_flag_live); crm_trace("File %s detected as live CIB", cib_location); } private->filename = strdup(cib_location); /* assign variant specific ops */ cib->delegate_fn = cib_file_perform_op_delegate; cib->cmds->signon = cib_file_signon; cib->cmds->signoff = cib_file_signoff; cib->cmds->free = cib_file_free; cib->cmds->inputfd = cib_file_inputfd; // Deprecated method cib->cmds->register_notification = cib_file_register_notification; cib->cmds->set_connection_dnotify = cib_file_set_connection_dnotify; cib->cmds->client_id = cib_file_client_id; return cib; } /*! * \internal * \brief Compare the calculated digest of an XML tree against a signature file * * \param[in] root Root of XML tree to compare * \param[in] sigfile Name of signature file containing digest to compare * * \return TRUE if digests match or signature file does not exist, else FALSE */ static gboolean cib_file_verify_digest(xmlNode *root, const char *sigfile) { gboolean passed = FALSE; char *expected; int rc = pcmk__file_contents(sigfile, &expected); switch (rc) { case pcmk_rc_ok: if (expected == NULL) { crm_err("On-disk digest at %s is empty", sigfile); return FALSE; } break; case ENOENT: crm_warn("No on-disk digest present at %s", sigfile); return TRUE; default: crm_err("Could not read on-disk digest from %s: %s", sigfile, pcmk_rc_str(rc)); return FALSE; } passed = pcmk__verify_digest(root, expected); free(expected); return passed; } /*! * \internal * \brief Read an XML tree from a file and verify its digest * * \param[in] filename Name of XML file to read * \param[in] sigfile Name of signature file containing digest to compare * \param[out] root If non-NULL, will be set to pointer to parsed XML tree * * \return 0 if file was successfully read, parsed and verified, otherwise: * -errno on stat() failure, * -pcmk_err_cib_corrupt if file size is 0 or XML is not parseable, or * -pcmk_err_cib_modified if digests do not match * \note If root is non-NULL, it is the caller's responsibility to free *root on * successful return. */ int cib_file_read_and_verify(const char *filename, const char *sigfile, xmlNode **root) { int s_res; struct stat buf; char *local_sigfile = NULL; xmlNode *local_root = NULL; CRM_ASSERT(filename != NULL); if (root) { *root = NULL; } /* Verify that file exists and its size is nonzero */ s_res = stat(filename, &buf); if (s_res < 0) { crm_perror(LOG_WARNING, "Could not verify cluster configuration file %s", filename); return -errno; } else if (buf.st_size == 0) { crm_warn("Cluster configuration file %s is corrupt (size is zero)", filename); return -pcmk_err_cib_corrupt; } /* Parse XML */ local_root = filename2xml(filename); if (local_root == NULL) { crm_warn("Cluster configuration file %s is corrupt (unparseable as XML)", filename); return -pcmk_err_cib_corrupt; } /* If sigfile is not specified, use original file name plus .sig */ if (sigfile == NULL) { sigfile = local_sigfile = crm_strdup_printf("%s.sig", filename); } /* Verify that digests match */ if (cib_file_verify_digest(local_root, sigfile) == FALSE) { free(local_sigfile); free_xml(local_root); return -pcmk_err_cib_modified; } free(local_sigfile); if (root) { *root = local_root; } else { free_xml(local_root); } return pcmk_ok; } /*! * \internal * \brief Back up a CIB * * \param[in] cib_dirname Directory containing CIB file and backups * \param[in] cib_filename Name (relative to cib_dirname) of CIB file to back up * * \return 0 on success, -1 on error */ static int cib_file_backup(const char *cib_dirname, const char *cib_filename) { int rc = 0; unsigned int seq; char *cib_path = crm_strdup_printf("%s/%s", cib_dirname, cib_filename); char *cib_digest = crm_strdup_printf("%s.sig", cib_path); char *backup_path; char *backup_digest; // Determine backup and digest file names if (pcmk__read_series_sequence(cib_dirname, CIB_SERIES, &seq) != pcmk_rc_ok) { // @TODO maybe handle errors better ... seq = 0; } backup_path = pcmk__series_filename(cib_dirname, CIB_SERIES, seq, CIB_SERIES_BZIP); backup_digest = crm_strdup_printf("%s.sig", backup_path); /* Remove the old backups if they exist */ unlink(backup_path); unlink(backup_digest); /* Back up the CIB, by hard-linking it to the backup name */ if ((link(cib_path, backup_path) < 0) && (errno != ENOENT)) { crm_perror(LOG_ERR, "Could not archive %s by linking to %s", cib_path, backup_path); rc = -1; /* Back up the CIB signature similarly */ } else if ((link(cib_digest, backup_digest) < 0) && (errno != ENOENT)) { crm_perror(LOG_ERR, "Could not archive %s by linking to %s", cib_digest, backup_digest); rc = -1; /* Update the last counter and ensure everything is sync'd to media */ } else { pcmk__write_series_sequence(cib_dirname, CIB_SERIES, ++seq, CIB_SERIES_MAX); if (cib_do_chown) { int rc2; if ((chown(backup_path, cib_file_owner, cib_file_group) < 0) && (errno != ENOENT)) { crm_perror(LOG_ERR, "Could not set owner of %s", backup_path); rc = -1; } if ((chown(backup_digest, cib_file_owner, cib_file_group) < 0) && (errno != ENOENT)) { crm_perror(LOG_ERR, "Could not set owner of %s", backup_digest); rc = -1; } rc2 = pcmk__chown_series_sequence(cib_dirname, CIB_SERIES, cib_file_owner, cib_file_group); if (rc2 != pcmk_rc_ok) { crm_err("Could not set owner of sequence file in %s: %s", cib_dirname, pcmk_rc_str(rc2)); rc = -1; } } pcmk__sync_directory(cib_dirname); crm_info("Archived previous version as %s", backup_path); } free(cib_path); free(cib_digest); free(backup_path); free(backup_digest); return rc; } /*! * \internal * \brief Prepare CIB XML to be written to disk * * Set num_updates to 0, set cib-last-written to the current timestamp, * and strip out the status section. * * \param[in,out] root Root of CIB XML tree * * \return void */ static void cib_file_prepare_xml(xmlNode *root) { xmlNode *cib_status_root = NULL; /* Always write out with num_updates=0 and current last-written timestamp */ crm_xml_add(root, XML_ATTR_NUMUPDATES, "0"); pcmk__xe_add_last_written(root); /* Delete status section before writing to file, because * we discard it on startup anyway, and users get confused by it */ cib_status_root = find_xml_node(root, XML_CIB_TAG_STATUS, TRUE); CRM_LOG_ASSERT(cib_status_root != NULL); if (cib_status_root != NULL) { free_xml(cib_status_root); } } /*! * \internal * \brief Write CIB to disk, along with a signature file containing its digest * * \param[in,out] cib_root Root of XML tree to write * \param[in] cib_dirname Directory containing CIB and signature files * \param[in] cib_filename Name (relative to cib_dirname) of file to write * * \return pcmk_ok on success, * pcmk_err_cib_modified if existing cib_filename doesn't match digest, * pcmk_err_cib_backup if existing cib_filename couldn't be backed up, * or pcmk_err_cib_save if new cib_filename couldn't be saved */ int cib_file_write_with_digest(xmlNode *cib_root, const char *cib_dirname, const char *cib_filename) { int exit_rc = pcmk_ok; int rc, fd; char *digest = NULL; /* Detect CIB version for diagnostic purposes */ const char *epoch = crm_element_value(cib_root, XML_ATTR_GENERATION); const char *admin_epoch = crm_element_value(cib_root, XML_ATTR_GENERATION_ADMIN); /* Determine full CIB and signature pathnames */ char *cib_path = crm_strdup_printf("%s/%s", cib_dirname, cib_filename); char *digest_path = crm_strdup_printf("%s.sig", cib_path); /* Create temporary file name patterns for writing out CIB and signature */ char *tmp_cib = crm_strdup_printf("%s/cib.XXXXXX", cib_dirname); char *tmp_digest = crm_strdup_printf("%s/cib.XXXXXX", cib_dirname); CRM_ASSERT((cib_path != NULL) && (digest_path != NULL) && (tmp_cib != NULL) && (tmp_digest != NULL)); /* Ensure the admin didn't modify the existing CIB underneath us */ crm_trace("Reading cluster configuration file %s", cib_path); rc = cib_file_read_and_verify(cib_path, NULL, NULL); if ((rc != pcmk_ok) && (rc != -ENOENT)) { crm_err("%s was manually modified while the cluster was active!", cib_path); exit_rc = pcmk_err_cib_modified; goto cleanup; } /* Back up the existing CIB */ if (cib_file_backup(cib_dirname, cib_filename) < 0) { exit_rc = pcmk_err_cib_backup; goto cleanup; } crm_debug("Writing CIB to disk"); umask(S_IWGRP | S_IWOTH | S_IROTH); cib_file_prepare_xml(cib_root); /* Write the CIB to a temporary file, so we can deploy (near) atomically */ fd = mkstemp(tmp_cib); if (fd < 0) { crm_perror(LOG_ERR, "Couldn't open temporary file %s for writing CIB", tmp_cib); exit_rc = pcmk_err_cib_save; goto cleanup; } /* Protect the temporary file */ if (fchmod(fd, S_IRUSR | S_IWUSR) < 0) { crm_perror(LOG_ERR, "Couldn't protect temporary file %s for writing CIB", tmp_cib); exit_rc = pcmk_err_cib_save; goto cleanup; } if (cib_do_chown && (fchown(fd, cib_file_owner, cib_file_group) < 0)) { crm_perror(LOG_ERR, "Couldn't protect temporary file %s for writing CIB", tmp_cib); exit_rc = pcmk_err_cib_save; goto cleanup; } /* Write out the CIB */ if (write_xml_fd(cib_root, tmp_cib, fd, FALSE) <= 0) { crm_err("Changes couldn't be written to %s", tmp_cib); exit_rc = pcmk_err_cib_save; goto cleanup; } /* Calculate CIB digest */ digest = calculate_on_disk_digest(cib_root); CRM_ASSERT(digest != NULL); crm_info("Wrote version %s.%s.0 of the CIB to disk (digest: %s)", (admin_epoch ? admin_epoch : "0"), (epoch ? epoch : "0"), digest); /* Write the CIB digest to a temporary file */ fd = mkstemp(tmp_digest); if (fd < 0) { crm_perror(LOG_ERR, "Could not create temporary file for CIB digest"); exit_rc = pcmk_err_cib_save; goto cleanup; } if (cib_do_chown && (fchown(fd, cib_file_owner, cib_file_group) < 0)) { crm_perror(LOG_ERR, "Couldn't protect temporary file %s for writing CIB", tmp_cib); exit_rc = pcmk_err_cib_save; close(fd); goto cleanup; } rc = pcmk__write_sync(fd, digest); if (rc != pcmk_rc_ok) { crm_err("Could not write digest to %s: %s", tmp_digest, pcmk_rc_str(rc)); exit_rc = pcmk_err_cib_save; close(fd); goto cleanup; } close(fd); crm_debug("Wrote digest %s to disk", digest); /* Verify that what we wrote is sane */ crm_info("Reading cluster configuration file %s (digest: %s)", tmp_cib, tmp_digest); rc = cib_file_read_and_verify(tmp_cib, tmp_digest, NULL); CRM_ASSERT(rc == 0); /* Rename temporary files to live, and sync directory changes to media */ crm_debug("Activating %s", tmp_cib); if (rename(tmp_cib, cib_path) < 0) { crm_perror(LOG_ERR, "Couldn't rename %s as %s", tmp_cib, cib_path); exit_rc = pcmk_err_cib_save; } if (rename(tmp_digest, digest_path) < 0) { crm_perror(LOG_ERR, "Couldn't rename %s as %s", tmp_digest, digest_path); exit_rc = pcmk_err_cib_save; } pcmk__sync_directory(cib_dirname); cleanup: free(cib_path); free(digest_path); free(digest); free(tmp_digest); free(tmp_cib); return exit_rc; } diff --git a/lib/cib/cib_utils.c b/lib/cib/cib_utils.c index c75d844e8a..d258ba66c5 100644 --- a/lib/cib/cib_utils.c +++ b/lib/cib/cib_utils.c @@ -1,837 +1,837 @@ /* * Original copyright 2004 International Business Machines * Later changes copyright 2008-2023 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 xmlNode * cib_get_generation(cib_t * cib) { xmlNode *the_cib = NULL; xmlNode *generation = create_xml_node(NULL, XML_CIB_TAG_GENERATION_TUPPLE); cib->cmds->query(cib, NULL, &the_cib, cib_scope_local | cib_sync_call); if (the_cib != NULL) { copy_in_properties(generation, the_cib); free_xml(the_cib); } return generation; } gboolean cib_version_details(xmlNode * cib, int *admin_epoch, int *epoch, int *updates) { *epoch = -1; *updates = -1; *admin_epoch = -1; if (cib == NULL) { return FALSE; } else { crm_element_value_int(cib, XML_ATTR_GENERATION, epoch); crm_element_value_int(cib, XML_ATTR_NUMUPDATES, updates); crm_element_value_int(cib, XML_ATTR_GENERATION_ADMIN, admin_epoch); } return TRUE; } gboolean cib_diff_version_details(xmlNode * diff, int *admin_epoch, int *epoch, int *updates, int *_admin_epoch, int *_epoch, int *_updates) { int add[] = { 0, 0, 0 }; int del[] = { 0, 0, 0 }; xml_patch_versions(diff, add, del); *admin_epoch = add[0]; *epoch = add[1]; *updates = add[2]; *_admin_epoch = del[0]; *_epoch = del[1]; *_updates = del[2]; return TRUE; } /*! * \brief Create XML for a new (empty) CIB * * \param[in] cib_epoch What to use as "epoch" CIB property * * \return Newly created XML for empty CIB * \note It is the caller's responsibility to free the result with free_xml(). */ xmlNode * createEmptyCib(int cib_epoch) { xmlNode *cib_root = NULL, *config = NULL; cib_root = create_xml_node(NULL, XML_TAG_CIB); crm_xml_add(cib_root, XML_ATTR_CRM_VERSION, CRM_FEATURE_SET); crm_xml_add(cib_root, XML_ATTR_VALIDATION, xml_latest_schema()); crm_xml_add_int(cib_root, XML_ATTR_GENERATION, cib_epoch); crm_xml_add_int(cib_root, XML_ATTR_NUMUPDATES, 0); crm_xml_add_int(cib_root, XML_ATTR_GENERATION_ADMIN, 0); config = create_xml_node(cib_root, XML_CIB_TAG_CONFIGURATION); create_xml_node(cib_root, XML_CIB_TAG_STATUS); create_xml_node(config, XML_CIB_TAG_CRMCONFIG); create_xml_node(config, XML_CIB_TAG_NODES); create_xml_node(config, XML_CIB_TAG_RESOURCES); create_xml_node(config, XML_CIB_TAG_CONSTRAINTS); #if PCMK__RESOURCE_STICKINESS_DEFAULT != 0 { xmlNode *rsc_defaults = create_xml_node(config, XML_CIB_TAG_RSCCONFIG); xmlNode *meta = create_xml_node(rsc_defaults, XML_TAG_META_SETS); xmlNode *nvpair = create_xml_node(meta, XML_CIB_TAG_NVPAIR); crm_xml_add(meta, XML_ATTR_ID, "build-resource-defaults"); crm_xml_add(nvpair, XML_ATTR_ID, "build-" XML_RSC_ATTR_STICKINESS); crm_xml_add(nvpair, XML_NVPAIR_ATTR_NAME, XML_RSC_ATTR_STICKINESS); crm_xml_add_int(nvpair, XML_NVPAIR_ATTR_VALUE, PCMK__RESOURCE_STICKINESS_DEFAULT); } #endif return cib_root; } static bool cib_acl_enabled(xmlNode *xml, const char *user) { bool rc = FALSE; if(pcmk_acl_required(user)) { const char *value = NULL; GHashTable *options = pcmk__strkey_table(free, free); cib_read_config(options, xml); value = cib_pref(options, "enable-acl"); rc = crm_is_true(value); g_hash_table_destroy(options); } crm_trace("CIB ACL is %s", rc ? "enabled" : "disabled"); return rc; } int -cib_perform_op(const char *op, int call_options, cib_op_t * fn, gboolean is_query, +cib_perform_op(const char *op, int call_options, cib_op_t fn, gboolean is_query, const char *section, xmlNode * req, xmlNode * input, gboolean manage_counters, gboolean * config_changed, xmlNode * current_cib, xmlNode ** result_cib, xmlNode ** diff, xmlNode ** output) { int rc = pcmk_ok; gboolean check_schema = TRUE; xmlNode *top = NULL; xmlNode *scratch = NULL; xmlNode *local_diff = NULL; const char *new_version = NULL; const char *user = crm_element_value(req, F_CIB_USER); bool with_digest = FALSE; pcmk__output_t *out = NULL; int out_rc = pcmk_rc_no_output; crm_trace("Begin %s%s%s op", (pcmk_is_set(call_options, cib_dryrun)? "dry run of " : ""), (is_query? "read-only " : ""), op); CRM_CHECK(output != NULL, return -ENOMSG); CRM_CHECK(result_cib != NULL, return -ENOMSG); CRM_CHECK(config_changed != NULL, return -ENOMSG); if(output) { *output = NULL; } *result_cib = NULL; *config_changed = FALSE; if (fn == NULL) { return -EINVAL; } if (is_query) { xmlNode *cib_ro = current_cib; xmlNode *cib_filtered = NULL; if(cib_acl_enabled(cib_ro, user)) { if(xml_acl_filtered_copy(user, current_cib, current_cib, &cib_filtered)) { if (cib_filtered == NULL) { crm_debug("Pre-filtered the entire cib"); return -EACCES; } cib_ro = cib_filtered; crm_log_xml_trace(cib_ro, "filtered"); } } rc = (*fn) (op, call_options, section, req, input, cib_ro, result_cib, output); if(output == NULL || *output == NULL) { /* nothing */ } else if(cib_filtered == *output) { cib_filtered = NULL; /* Let them have this copy */ } else if(*output == current_cib) { /* They already know not to free it */ } else if(cib_filtered && (*output)->doc == cib_filtered->doc) { /* We're about to free the document of which *output is a part */ *output = copy_xml(*output); } else if((*output)->doc == current_cib->doc) { /* Give them a copy they can free */ *output = copy_xml(*output); } free_xml(cib_filtered); return rc; } if (pcmk_is_set(call_options, cib_zero_copy)) { /* Conditional on v2 patch style */ scratch = current_cib; /* Create a shallow copy of current_cib for the version details */ current_cib = create_xml_node(NULL, (const char *)scratch->name); copy_in_properties(current_cib, scratch); top = current_cib; xml_track_changes(scratch, user, NULL, cib_acl_enabled(scratch, user)); rc = (*fn) (op, call_options, section, req, input, scratch, &scratch, output); } else { scratch = copy_xml(current_cib); xml_track_changes(scratch, user, NULL, cib_acl_enabled(scratch, user)); rc = (*fn) (op, call_options, section, req, input, current_cib, &scratch, output); if(scratch && xml_tracking_changes(scratch) == FALSE) { crm_trace("Inferring changes after %s op", op); xml_track_changes(scratch, user, current_cib, cib_acl_enabled(current_cib, user)); xml_calculate_changes(current_cib, scratch); } CRM_CHECK(current_cib != scratch, return -EINVAL); } xml_acl_disable(scratch); /* Allow the system to make any additional changes */ if (rc == pcmk_ok && scratch == NULL) { rc = -EINVAL; goto done; } else if(rc == pcmk_ok && xml_acl_denied(scratch)) { crm_trace("ACL rejected part or all of the proposed changes"); rc = -EACCES; goto done; } else if (rc != pcmk_ok) { goto done; } if (scratch) { new_version = crm_element_value(scratch, XML_ATTR_CRM_VERSION); if (new_version && compare_version(new_version, CRM_FEATURE_SET) > 0) { crm_err("Discarding update with feature set '%s' greater than our own '%s'", new_version, CRM_FEATURE_SET); rc = -EPROTONOSUPPORT; goto done; } } if (current_cib) { int old = 0; int new = 0; crm_element_value_int(scratch, XML_ATTR_GENERATION_ADMIN, &new); crm_element_value_int(current_cib, XML_ATTR_GENERATION_ADMIN, &old); if (old > new) { crm_err("%s went backwards: %d -> %d (Opts: %#x)", XML_ATTR_GENERATION_ADMIN, old, new, call_options); crm_log_xml_warn(req, "Bad Op"); crm_log_xml_warn(input, "Bad Data"); rc = -pcmk_err_old_data; } else if (old == new) { crm_element_value_int(scratch, XML_ATTR_GENERATION, &new); crm_element_value_int(current_cib, XML_ATTR_GENERATION, &old); if (old > new) { crm_err("%s went backwards: %d -> %d (Opts: %#x)", XML_ATTR_GENERATION, old, new, call_options); crm_log_xml_warn(req, "Bad Op"); crm_log_xml_warn(input, "Bad Data"); rc = -pcmk_err_old_data; } } } crm_trace("Massaging CIB contents"); pcmk__strip_xml_text(scratch); fix_plus_plus_recursive(scratch); if (pcmk_is_set(call_options, cib_zero_copy)) { /* At this point, current_cib is just the 'cib' tag and its properties, * * The v1 format would barf on this, but we know the v2 patch * format only needs it for the top-level version fields */ local_diff = xml_create_patchset(2, current_cib, scratch, (bool*)config_changed, manage_counters); } else { static time_t expires = 0; time_t tm_now = time(NULL); if (expires < tm_now) { expires = tm_now + 60; /* Validate clients are correctly applying v2-style diffs at most once a minute */ with_digest = TRUE; } local_diff = xml_create_patchset(0, current_cib, scratch, (bool*)config_changed, manage_counters); } // Create a log output object only if we're going to use it pcmk__if_tracing( { rc = pcmk_rc2legacy(pcmk__log_output_new(&out)); CRM_CHECK(rc == pcmk_ok, goto done); pcmk__output_set_log_level(out, LOG_TRACE); out_rc = pcmk__xml_show_changes(out, scratch); }, {} ); xml_accept_changes(scratch); if(local_diff) { int temp_rc = pcmk_rc_no_output; patchset_process_digest(local_diff, current_cib, scratch, with_digest); if (out == NULL) { rc = pcmk_rc2legacy(pcmk__log_output_new(&out)); CRM_CHECK(rc == pcmk_ok, goto done); } pcmk__output_set_log_level(out, LOG_INFO); temp_rc = out->message(out, "xml-patchset", local_diff); out_rc = pcmk__output_select_rc(rc, temp_rc); crm_log_xml_trace(local_diff, "raw patch"); } if (out != NULL) { out->finish(out, pcmk_rc2exitc(out_rc), true, NULL); pcmk__output_free(out); out = NULL; } if (!pcmk_is_set(call_options, cib_zero_copy) && (local_diff != NULL)) { // Original to compare against doesn't exist pcmk__if_tracing( { // Validate the calculated patch set int test_rc = pcmk_ok; int format = 1; xmlNode *cib_copy = copy_xml(current_cib); crm_element_value_int(local_diff, "format", &format); test_rc = xml_apply_patchset(cib_copy, local_diff, manage_counters); if (test_rc != pcmk_ok) { save_xml_to_file(cib_copy, "PatchApply:calculated", NULL); save_xml_to_file(current_cib, "PatchApply:input", NULL); save_xml_to_file(scratch, "PatchApply:actual", NULL); save_xml_to_file(local_diff, "PatchApply:diff", NULL); crm_err("v%d patchset error, patch failed to apply: %s " "(%d)", format, pcmk_rc_str(pcmk_legacy2rc(test_rc)), test_rc); } free_xml(cib_copy); }, {} ); } if (pcmk__str_eq(section, XML_CIB_TAG_STATUS, pcmk__str_casei)) { /* Throttle the amount of costly validation we perform due to status updates * a) we don't really care whats in the status section * b) we don't validate any of its contents at the moment anyway */ check_schema = FALSE; } /* === scratch must not be modified after this point === * Exceptions, anything in: static filter_t filter[] = { { 0, XML_ATTR_ORIGIN }, { 0, XML_CIB_ATTR_WRITTEN }, { 0, XML_ATTR_UPDATE_ORIG }, { 0, XML_ATTR_UPDATE_CLIENT }, { 0, XML_ATTR_UPDATE_USER }, }; */ if (*config_changed && !pcmk_is_set(call_options, cib_no_mtime)) { const char *schema = crm_element_value(scratch, XML_ATTR_VALIDATION); pcmk__xe_add_last_written(scratch); if (schema) { static int minimum_schema = 0; int current_schema = get_schema_version(schema); if (minimum_schema == 0) { minimum_schema = get_schema_version("pacemaker-1.2"); } /* Does the CIB support the "update-*" attributes... */ if (current_schema >= minimum_schema) { const char *origin = crm_element_value(req, F_ORIG); CRM_LOG_ASSERT(origin != NULL); crm_xml_replace(scratch, XML_ATTR_UPDATE_ORIG, origin); crm_xml_replace(scratch, XML_ATTR_UPDATE_CLIENT, crm_element_value(req, F_CIB_CLIENTNAME)); crm_xml_replace(scratch, XML_ATTR_UPDATE_USER, crm_element_value(req, F_CIB_USER)); } } } crm_trace("Perform validation: %s", pcmk__btoa(check_schema)); if ((rc == pcmk_ok) && check_schema && !validate_xml(scratch, NULL, TRUE)) { const char *current_schema = crm_element_value(scratch, XML_ATTR_VALIDATION); crm_warn("Updated CIB does not validate against %s schema", pcmk__s(current_schema, "unspecified")); rc = -pcmk_err_schema_validation; } done: *result_cib = scratch; if(rc != pcmk_ok && cib_acl_enabled(current_cib, user)) { if(xml_acl_filtered_copy(user, current_cib, scratch, result_cib)) { if (*result_cib == NULL) { crm_debug("Pre-filtered the entire cib result"); } free_xml(scratch); } } if(diff) { *diff = local_diff; } else { free_xml(local_diff); } free_xml(top); crm_trace("Done"); return rc; } xmlNode * cib_create_op(int call_id, const char *op, const char *host, const char *section, xmlNode *data, int call_options, const char *user_name) { xmlNode *op_msg = create_xml_node(NULL, "cib_command"); CRM_CHECK(op_msg != NULL, return NULL); crm_xml_add(op_msg, F_XML_TAGNAME, "cib_command"); crm_xml_add(op_msg, F_TYPE, T_CIB); crm_xml_add(op_msg, F_CIB_OPERATION, op); crm_xml_add(op_msg, F_CIB_HOST, host); crm_xml_add(op_msg, F_CIB_SECTION, section); crm_xml_add_int(op_msg, F_CIB_CALLID, call_id); if (user_name) { crm_xml_add(op_msg, F_CIB_USER, user_name); } crm_trace("Sending call options: %.8lx, %d", (long)call_options, call_options); crm_xml_add_int(op_msg, F_CIB_CALLOPTS, call_options); if (data != NULL) { add_message_xml(op_msg, F_CIB_CALLDATA, data); } if (call_options & cib_inhibit_bcast) { CRM_CHECK((call_options & cib_scope_local), return NULL); } return op_msg; } void cib_native_callback(cib_t * cib, xmlNode * msg, int call_id, int rc) { xmlNode *output = NULL; cib_callback_client_t *blob = NULL; if (msg != NULL) { crm_element_value_int(msg, F_CIB_RC, &rc); crm_element_value_int(msg, F_CIB_CALLID, &call_id); output = get_message_xml(msg, F_CIB_CALLDATA); } blob = cib__lookup_id(call_id); if (blob == NULL) { crm_trace("No callback found for call %d", call_id); } if (cib == NULL) { crm_debug("No cib object supplied"); } if (rc == -pcmk_err_diff_resync) { /* This is an internal value that clients do not and should not care about */ rc = pcmk_ok; } if (blob && blob->callback && (rc == pcmk_ok || blob->only_success == FALSE)) { crm_trace("Invoking callback %s for call %d", pcmk__s(blob->id, "without ID"), call_id); blob->callback(msg, call_id, rc, output, blob->user_data); } else if (cib && cib->op_callback == NULL && rc != pcmk_ok) { crm_warn("CIB command failed: %s", pcmk_strerror(rc)); crm_log_xml_debug(msg, "Failed CIB Update"); } /* This may free user_data, so do it after the callback */ if (blob) { remove_cib_op_callback(call_id, FALSE); } if (cib && cib->op_callback != NULL) { crm_trace("Invoking global callback for call %d", call_id); cib->op_callback(msg, call_id, rc, output); } crm_trace("OP callback activated for %d", call_id); } void cib_native_notify(gpointer data, gpointer user_data) { xmlNode *msg = user_data; cib_notify_client_t *entry = data; const char *event = NULL; if (msg == NULL) { crm_warn("Skipping callback - NULL message"); return; } event = crm_element_value(msg, F_SUBTYPE); if (entry == NULL) { crm_warn("Skipping callback - NULL callback client"); return; } else if (entry->callback == NULL) { crm_warn("Skipping callback - NULL callback"); return; } else if (!pcmk__str_eq(entry->event, event, pcmk__str_casei)) { crm_trace("Skipping callback - event mismatch %p/%s vs. %s", entry, entry->event, event); return; } crm_trace("Invoking callback for %p/%s event...", entry, event); entry->callback(event, msg); crm_trace("Callback invoked..."); } static pcmk__cluster_option_t cib_opts[] = { /* name, legacy name, type, allowed values, * default value, validator, * short description, * long description */ { "enable-acl", NULL, "boolean", NULL, "false", pcmk__valid_boolean, N_("Enable Access Control Lists (ACLs) for the CIB"), NULL }, { "cluster-ipc-limit", NULL, "integer", NULL, "500", pcmk__valid_positive_number, N_("Maximum IPC message backlog before disconnecting a cluster daemon"), N_("Raise this if log has \"Evicting client\" messages for cluster daemon" " PIDs (a good value is the number of resources in the cluster" " multiplied by the number of nodes).") }, }; void cib_metadata(void) { 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__format_option_metadata("pacemaker-based", desc_short, desc_long, cib_opts, PCMK__NELEM(cib_opts)); printf("%s", s); g_free(s); } static void verify_cib_options(GHashTable *options) { pcmk__validate_cluster_options(options, cib_opts, PCMK__NELEM(cib_opts)); } const char * cib_pref(GHashTable * options, const char *name) { return pcmk__cluster_option(options, cib_opts, PCMK__NELEM(cib_opts), name); } gboolean cib_read_config(GHashTable * options, xmlNode * current_cib) { xmlNode *config = NULL; crm_time_t *now = NULL; if (options == NULL || current_cib == NULL) { return FALSE; } now = crm_time_new(NULL); g_hash_table_remove_all(options); config = pcmk_find_cib_element(current_cib, XML_CIB_TAG_CRMCONFIG); if (config) { pe_unpack_nvpairs(current_cib, config, XML_CIB_TAG_PROPSET, NULL, options, CIB_OPTIONS_FIRST, TRUE, now, NULL); } verify_cib_options(options); crm_time_free(now); return TRUE; } int cib_internal_op(cib_t * cib, const char *op, const char *host, const char *section, xmlNode * data, xmlNode ** output_data, int call_options, const char *user_name) { int (*delegate) (cib_t * cib, const char *op, const char *host, const char *section, xmlNode * data, xmlNode ** output_data, int call_options, const char *user_name) = cib->delegate_fn; if(user_name == NULL) { user_name = getenv("CIB_user"); } return delegate(cib, op, host, section, data, output_data, call_options, user_name); } /*! * \brief Apply a CIB update patch to a given CIB * * \param[in] event CIB update patch * \param[in] input CIB to patch * \param[out] output Resulting CIB after patch * \param[in] level Log the patch at this log level (unless LOG_CRIT) * * \return Legacy Pacemaker return code * \note sbd calls this function */ int cib_apply_patch_event(xmlNode *event, xmlNode *input, xmlNode **output, int level) { int rc = pcmk_err_generic; xmlNode *diff = NULL; CRM_ASSERT(event); CRM_ASSERT(input); CRM_ASSERT(output); crm_element_value_int(event, F_CIB_RC, &rc); diff = get_message_xml(event, F_CIB_UPDATE_RESULT); if (rc < pcmk_ok || diff == NULL) { return rc; } if (level > LOG_CRIT) { pcmk__output_t *out = NULL; rc = pcmk_rc2legacy(pcmk__log_output_new(&out)); CRM_CHECK(rc == pcmk_ok, return rc); pcmk__output_set_log_level(out, level); rc = out->message(out, "xml-patchset", diff); out->finish(out, pcmk_rc2exitc(rc), true, NULL); pcmk__output_free(out); rc = pcmk_ok; } if (input != NULL) { rc = cib_process_diff(NULL, cib_none, NULL, event, diff, input, output, NULL); if (rc != pcmk_ok) { crm_debug("Update didn't apply: %s (%d) %p", pcmk_strerror(rc), rc, *output); if (rc == -pcmk_err_old_data) { crm_trace("Masking error, we already have the supplied update"); return pcmk_ok; } free_xml(*output); *output = NULL; return rc; } } return rc; } #define log_signon_query_err(out, fmt, args...) do { \ if (out != NULL) { \ out->err(out, fmt, ##args); \ } else { \ crm_err(fmt, ##args); \ } \ } while (0) int cib__signon_query(pcmk__output_t *out, cib_t **cib, xmlNode **cib_object) { int rc = pcmk_rc_ok; cib_t *cib_conn = NULL; CRM_ASSERT(cib_object != NULL); if (cib == NULL) { cib_conn = cib_new(); } else { if (*cib == NULL) { *cib = cib_new(); } cib_conn = *cib; } if (cib_conn == NULL) { return ENOMEM; } if (cib_conn->state == cib_disconnected) { rc = cib_conn->cmds->signon(cib_conn, crm_system_name, cib_command); rc = pcmk_legacy2rc(rc); } if (rc != pcmk_rc_ok) { log_signon_query_err(out, "Could not connect to the CIB: %s", pcmk_rc_str(rc)); goto done; } if (out != NULL) { out->transient(out, "Querying CIB..."); } rc = cib_conn->cmds->query(cib_conn, NULL, cib_object, cib_scope_local|cib_sync_call); rc = pcmk_legacy2rc(rc); if (rc != pcmk_rc_ok) { log_signon_query_err(out, "CIB query failed: %s", pcmk_rc_str(rc)); } done: if (cib == NULL) { cib__clean_up_connection(&cib_conn); } if ((rc == pcmk_rc_ok) && (*cib_object == NULL)) { return pcmk_rc_no_input; } return rc; } int cib__clean_up_connection(cib_t **cib) { int rc; if (*cib == NULL) { return pcmk_rc_ok; } rc = (*cib)->cmds->signoff(*cib); cib_delete(*cib); *cib = NULL; return pcmk_legacy2rc(rc); } // Deprecated functions kept only for backward API compatibility // LCOV_EXCL_START #include const char * get_object_path(const char *object_type) { return pcmk_cib_xpath_for(object_type); } const char * get_object_parent(const char *object_type) { return pcmk_cib_parent_name_for(object_type); } xmlNode * get_object_root(const char *object_type, xmlNode *the_root) { return pcmk_find_cib_element(the_root, object_type); } // LCOV_EXCL_STOP // End deprecated API