/* * Note: this file originally auto-generated by mib2c using * version : 1.67 $ of : mfd-interface.m2c,v $ * * $Id$ */ /* * ********************************************************************* * ********************************************************************* * ********************************************************************* * *** *** * *** NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE *** * *** *** * *** *** * *** THIS FILE DOES NOT CONTAIN ANY USER EDITABLE CODE. *** * *** *** * *** *** * *** THE GENERATED CODE IS INTERNAL IMPLEMENTATION, AND *** * *** *** * *** *** * *** IS SUBJECT TO CHANGE WITHOUT WARNING IN FUTURE RELEASES. *** * *** *** * *** *** * ********************************************************************* * ********************************************************************* * ********************************************************************* */ /* * standard Net-SNMP includes */ #include #include #include #include #include /* * include our parent header */ #include "ifXTable.h" #include #include #include "ifXTable_interface.h" #include "if-mib/ifTable/ifTable_interface.h" #include "if-mib/ifTable/ifTable_defs.h" #include netsnmp_feature_child_of(ifXTable_external_access, libnetsnmpmibs); netsnmp_feature_require(row_merge); netsnmp_feature_require(cache_find_by_oid); netsnmp_feature_require(baby_steps); netsnmp_feature_require(check_all_requests_error); #ifndef NETSNMP_NO_WRITE_SUPPORT netsnmp_feature_require(check_vb_type_and_max_size); #endif /* NETSNMP_NO_WRITE_SUPPORT */ /********************************************************************** ********************************************************************** *** *** Table ifXTable *** ********************************************************************** **********************************************************************/ /* * IF-MIB::ifXTable is subid 1 of ifMIBObjects. * Its status is Current. * OID: .1.3.6.1.2.1.31.1.1, length: 9 */ typedef struct ifXTable_interface_ctx_s { netsnmp_container *container; netsnmp_cache *cache; ifXTable_registration *user_ctx; netsnmp_table_registration_info tbl_info; netsnmp_baby_steps_access_methods access_multiplexer; u_int table_dirty; } ifXTable_interface_ctx; static ifXTable_interface_ctx ifXTable_if_ctx; static void _ifXTable_container_init(ifXTable_interface_ctx * if_ctx); static void _ifXTable_container_shutdown(ifXTable_interface_ctx * if_ctx); #ifndef NETSNMP_FEATURE_REMOVE_IFXTABLE_CONTAINER_GET netsnmp_container * ifXTable_container_get(void) { return ifXTable_if_ctx.container; } #endif /* NETSNMP_FEATURE_REMOVE_IFXTABLE_CONTAINER_GET */ #ifndef NETSNMP_FEATURE_REMOVE_IFXTABLE_REGISTRATION_GET ifXTable_registration * ifXTable_registration_get(void) { return ifXTable_if_ctx.user_ctx; } #endif /* NETSNMP_FEATURE_REMOVE_IFXTABLE_REGISTRATION_GET */ #ifndef NETSNMP_FEATURE_REMOVE_IFXTABLE_REGISTRATION_SET ifXTable_registration * ifXTable_registration_set(ifXTable_registration * newreg) { ifXTable_registration *old = ifXTable_if_ctx.user_ctx; ifXTable_if_ctx.user_ctx = newreg; return old; } #endif /* NETSNMP_FEATURE_REMOVE_IFXTABLE_REGISTRATION_SET */ #ifndef NETSNMP_FEATURE_REMOVE_IFXTABLE_CONTAINER_SIZE int ifXTable_container_size(void) { return CONTAINER_SIZE(ifXTable_if_ctx.container); } #endif /* NETSNMP_FEATURE_REMOVE_IFXTABLE_CONTAINER_SIZE */ u_int ifXTable_dirty_get(void) { return ifXTable_if_ctx.table_dirty; } void ifXTable_dirty_set(u_int status) { DEBUGMSGTL(("ifXTable:ifXTable_dirty_set", "called. was %d, now %d\n", ifXTable_if_ctx.table_dirty, status)); ifXTable_if_ctx.table_dirty = status; } /* * mfd multiplexer modes */ static Netsnmp_Node_Handler _mfd_ifXTable_pre_request; static Netsnmp_Node_Handler _mfd_ifXTable_post_request; static Netsnmp_Node_Handler _mfd_ifXTable_object_lookup; static Netsnmp_Node_Handler _mfd_ifXTable_get_values; #if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT)) static Netsnmp_Node_Handler _mfd_ifXTable_check_objects; static Netsnmp_Node_Handler _mfd_ifXTable_undo_setup; static Netsnmp_Node_Handler _mfd_ifXTable_set_values; static Netsnmp_Node_Handler _mfd_ifXTable_undo_cleanup; static Netsnmp_Node_Handler _mfd_ifXTable_undo_values; static Netsnmp_Node_Handler _mfd_ifXTable_commit; static Netsnmp_Node_Handler _mfd_ifXTable_undo_commit; static Netsnmp_Node_Handler _mfd_ifXTable_irreversible_commit; static Netsnmp_Node_Handler _mfd_ifXTable_check_dependencies; NETSNMP_STATIC_INLINE int _ifXTable_undo_column(ifXTable_rowreq_ctx * rowreq_ctx, netsnmp_variable_list * var, int column); #endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */ ifXTable_data *ifXTable_allocate_data(void); /** * @internal * Initialize the table ifXTable * (Define its contents and how it's structured) */ void _ifXTable_initialize_interface(ifXTable_registration * reg_ptr, u_long flags) { netsnmp_baby_steps_access_methods *access_multiplexer = &ifXTable_if_ctx.access_multiplexer; netsnmp_table_registration_info *tbl_info = &ifXTable_if_ctx.tbl_info; netsnmp_handler_registration *reginfo; netsnmp_mib_handler *handler; int mfd_modes = 0; DEBUGMSGTL(("internal:ifXTable:_ifXTable_initialize_interface", "called\n")); /* * make sure the ifTable container has been initialized, since * we use its container, and we can't guarantee that it has * already been initialized. */ (void) if_mib_container_init(); /************************************************* * * save interface context for ifXTable */ /* * Setting up the table's definition */ netsnmp_table_helper_add_indexes(tbl_info, ASN_INTEGER, /** index: ifIndex */ 0); /* * Define the minimum and maximum accessible columns. This * optimizes retrieval. */ tbl_info->min_column = IFXTABLE_MIN_COL; tbl_info->max_column = IFXTABLE_MAX_COL; /* * save users context */ ifXTable_if_ctx.user_ctx = reg_ptr; /* * call data access initialization code */ ifXTable_init_data(reg_ptr); /* * set up the container */ _ifXTable_container_init(&ifXTable_if_ctx); if (NULL == ifXTable_if_ctx.container) return; /* msg already logged */ /* * access_multiplexer: REQUIRED wrapper for get request handling */ access_multiplexer->object_lookup = _mfd_ifXTable_object_lookup; access_multiplexer->get_values = _mfd_ifXTable_get_values; /* * no wrappers yet */ access_multiplexer->pre_request = _mfd_ifXTable_pre_request; access_multiplexer->post_request = _mfd_ifXTable_post_request; #if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT)) /* * REQUIRED wrappers for set request handling */ access_multiplexer->object_syntax_checks = _mfd_ifXTable_check_objects; access_multiplexer->undo_setup = _mfd_ifXTable_undo_setup; access_multiplexer->undo_cleanup = _mfd_ifXTable_undo_cleanup; access_multiplexer->set_values = _mfd_ifXTable_set_values; access_multiplexer->undo_sets = _mfd_ifXTable_undo_values; /* * no wrappers yet */ access_multiplexer->commit = _mfd_ifXTable_commit; access_multiplexer->undo_commit = _mfd_ifXTable_undo_commit; access_multiplexer->irreversible_commit = _mfd_ifXTable_irreversible_commit; /* * REQUIRED for tables with dependencies */ access_multiplexer->consistency_checks = _mfd_ifXTable_check_dependencies; #endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */ /************************************************* * * Create a registration, save our reg data, register table. */ DEBUGMSGTL(("ifXTable:init_ifXTable", "Registering ifXTable as a mibs-for-dummies table.\n")); handler = netsnmp_baby_steps_access_multiplexer_get(access_multiplexer); reginfo = netsnmp_handler_registration_create("ifXTable", handler, ifXTable_oid, ifXTable_oid_size, HANDLER_CAN_BABY_STEP | #if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT)) HANDLER_CAN_RWRITE #else HANDLER_CAN_RONLY #endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */ ); if (NULL == reginfo) { snmp_log(LOG_ERR, "error registering table ifXTable\n"); return; } reginfo->my_reg_void = &ifXTable_if_ctx; /************************************************* * * set up baby steps handler, create it and inject it */ if (access_multiplexer->object_lookup) mfd_modes |= BABY_STEP_OBJECT_LOOKUP; if (access_multiplexer->pre_request) mfd_modes |= BABY_STEP_PRE_REQUEST; if (access_multiplexer->post_request) mfd_modes |= BABY_STEP_POST_REQUEST; #if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT)) if (access_multiplexer->set_values) mfd_modes |= BABY_STEP_SET_VALUES; if (access_multiplexer->irreversible_commit) mfd_modes |= BABY_STEP_IRREVERSIBLE_COMMIT; if (access_multiplexer->object_syntax_checks) mfd_modes |= BABY_STEP_CHECK_OBJECT; if (access_multiplexer->undo_setup) mfd_modes |= BABY_STEP_UNDO_SETUP; if (access_multiplexer->undo_cleanup) mfd_modes |= BABY_STEP_UNDO_CLEANUP; if (access_multiplexer->undo_sets) mfd_modes |= BABY_STEP_UNDO_SETS; if (access_multiplexer->row_creation) mfd_modes |= BABY_STEP_ROW_CREATE; if (access_multiplexer->consistency_checks) mfd_modes |= BABY_STEP_CHECK_CONSISTENCY; if (access_multiplexer->commit) mfd_modes |= BABY_STEP_COMMIT; if (access_multiplexer->undo_commit) mfd_modes |= BABY_STEP_UNDO_COMMIT; #endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */ handler = netsnmp_baby_steps_handler_get(mfd_modes); netsnmp_inject_handler(reginfo, handler); /************************************************* * * inject row_merge helper with prefix rootoid_len + 2 (entry.col) */ handler = netsnmp_get_row_merge_handler(reginfo->rootoid_len + 2); netsnmp_inject_handler(reginfo, handler); /************************************************* * * inject container_table helper */ handler = netsnmp_container_table_handler_get(tbl_info, ifXTable_if_ctx.container, TABLE_CONTAINER_KEY_NETSNMP_INDEX); netsnmp_inject_handler(reginfo, handler); /************************************************* * * inject cache helper */ if (NULL != ifXTable_if_ctx.cache) { handler = netsnmp_cache_handler_get(ifXTable_if_ctx.cache); netsnmp_inject_handler(reginfo, handler); } /* * register table */ netsnmp_register_table(reginfo, tbl_info); /* * register config/persistence callbacks */ ifXTable_container_init_persistence(ifXTable_if_ctx.container); } /* _ifXTable_initialize_interface */ /** * @internal * Shutdown the table ifXTable */ #ifndef NETSNMP_FEATURE_REMOVE_IFXTABLE_SHUTDOWN_INTERFACE void _ifXTable_shutdown_interface(ifXTable_registration * reg_ptr) { /* * shutdown the container */ _ifXTable_container_shutdown(&ifXTable_if_ctx); } #endif /* NETSNMP_FEATURE_REMOVE_IFXTABLE_SHUTDOWN_INTERFACE */ void ifXTable_valid_columns_set(netsnmp_column_info *vc) { ifXTable_if_ctx.tbl_info.valid_columns = vc; } /* ifXTable_valid_columns_set */ /** * @internal * convert the index component stored in the context to an oid */ int ifXTable_index_to_oid(netsnmp_index * oid_idx, ifXTable_mib_index * mib_idx) { int err = SNMP_ERR_NOERROR; /* * temp storage for parsing indexes */ /* * ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H */ netsnmp_variable_list var_ifIndex; /* * set up varbinds */ memset(&var_ifIndex, 0x00, sizeof(var_ifIndex)); var_ifIndex.type = ASN_INTEGER; /* * chain temp index varbinds together */ var_ifIndex.next_variable = NULL; DEBUGMSGTL(("verbose:ifXTable:ifXTable_index_to_oid", "called\n")); /* * ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H */ snmp_set_var_value(&var_ifIndex, (u_char *) & mib_idx->ifIndex, sizeof(mib_idx->ifIndex)); err = build_oid_noalloc(oid_idx->oids, oid_idx->len, &oid_idx->len, NULL, 0, &var_ifIndex); if (err) snmp_log(LOG_ERR, "error %d converting index to oid\n", err); /* * parsing may have allocated memory. free it. */ snmp_reset_var_buffers(&var_ifIndex); return err; } /* ifXTable_index_to_oid */ /** * extract ifXTable indexes from a netsnmp_index * * @retval SNMP_ERR_NOERROR : no error * @retval SNMP_ERR_GENERR : error */ int ifXTable_index_from_oid(netsnmp_index * oid_idx, ifXTable_mib_index * mib_idx) { int err = SNMP_ERR_NOERROR; /* * temp storage for parsing indexes */ /* * ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H */ netsnmp_variable_list var_ifIndex; /* * set up varbinds */ memset(&var_ifIndex, 0x00, sizeof(var_ifIndex)); var_ifIndex.type = ASN_INTEGER; /* * chain temp index varbinds together */ var_ifIndex.next_variable = NULL; DEBUGMSGTL(("verbose:ifXTable:ifXTable_index_from_oid", "called\n")); /* * parse the oid into the individual index components */ err = parse_oid_indexes(oid_idx->oids, oid_idx->len, &var_ifIndex); if (err == SNMP_ERR_NOERROR) { /* * copy out values */ mib_idx->ifIndex = *((long *) var_ifIndex.val.string); } /* * parsing may have allocated memory. free it. */ snmp_reset_var_buffers(&var_ifIndex); return err; } /* ifXTable_index_from_oid */ /* * ifXTable_allocate_data * * Purpose: create new ifXTable_data. */ ifXTable_data * ifXTable_allocate_data(void) { ifXTable_data *rtn = SNMP_MALLOC_TYPEDEF(ifXTable_data); DEBUGMSGTL(("verbose:ifXTable:ifXTable_allocate_data", "called\n")); if (NULL == rtn) { snmp_log(LOG_ERR, "unable to malloc memory for new " "ifXTable_data.\n"); } return rtn; } /* ifXTable_allocate_data */ /* * ifXTable_release_data * * Purpose: release ifXTable data. */ void ifXTable_release_data(ifXTable_data * data) { DEBUGMSGTL(("verbose:ifXTable:ifXTable_release_data", "called\n")); free(data); } /* ifXTable_release_data */ /** * @internal * wrapper */ static int _mfd_ifXTable_pre_request(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { int rc; DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_pre_request", "called\n")); if (1 != netsnmp_row_merge_status_first(reginfo, agtreq_info)) { DEBUGMSGTL(("internal:ifXTable", "skipping additional pre_request\n")); return SNMP_ERR_NOERROR; } rc = ifXTable_pre_request(ifXTable_if_ctx.user_ctx); if (MFD_SUCCESS != rc) { /* * nothing we can do about it but log it */ DEBUGMSGTL(("ifXTable", "error %d from " "ifXTable_pre_request\n", rc)); netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc)); } return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_pre_request */ /** * @internal * wrapper */ static int _mfd_ifXTable_post_request(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); int rc, packet_rc; DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_post_request", "called\n")); /* * release row context, if deleted */ if (rowreq_ctx && (rowreq_ctx->rowreq_flags & MFD_ROW_DELETED)) ifTable_release_rowreq_ctx(rowreq_ctx); /* * wait for last call before calling user */ if (1 != netsnmp_row_merge_status_last(reginfo, agtreq_info)) { DEBUGMSGTL(("internal:ifXTable", "waiting for last post_request\n")); return SNMP_ERR_NOERROR; } packet_rc = netsnmp_check_all_requests_error(agtreq_info->asp, 0); if ((MFD_SUCCESS != packet_rc) && ifXTable_dirty_get()) { /* * we shouldn't get here. the undo steps should also clear * the dirty flags. */ snmp_log(LOG_WARNING, "ifXTable dirty flag set in post_request " "but status != SUCCESS.\n"); } rc = ifXTable_post_request(ifXTable_if_ctx.user_ctx, packet_rc); if (MFD_SUCCESS != rc) { /* * nothing we can do about it but log it */ DEBUGMSGTL(("ifXTable", "error %d from " "ifXTable_post_request\n", rc)); } return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_post_request */ /** * @internal * wrapper */ static int _mfd_ifXTable_object_lookup(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { int rc = SNMP_ERR_NOERROR; ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_object_lookup", "called\n")); /* * get our context from mfd * ifXTable_interface_ctx *if_ctx = * (ifXTable_interface_ctx *)reginfo->my_reg_void; */ if (NULL == rowreq_ctx) { rc = SNMP_ERR_NOCREATION; } if (MFD_SUCCESS != rc) netsnmp_request_set_error_all(requests, rc); else ifXTable_row_prep(rowreq_ctx); return SNMP_VALIDATE_ERR(rc); } /* _mfd_ifXTable_object_lookup */ /*********************************************************************** * * GET processing * ***********************************************************************/ /* * @internal * Retrieve the value for a particular column */ NETSNMP_STATIC_INLINE int _ifXTable_get_column(ifXTable_rowreq_ctx * rowreq_ctx, netsnmp_variable_list * var, int column) { int rc = SNMPERR_SUCCESS; DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_get_column", "called for %d\n", column)); netsnmp_assert(NULL != rowreq_ctx); switch (column) { /* * ifName(1)/DisplayString/ASN_OCTET_STR/char(char)//L/A/w/e/R/d/H */ case COLUMN_IFNAME: var->type = ASN_OCTET_STR; rc = ifName_get(rowreq_ctx, (char **) &var->val.string, &var->val_len); break; /* * ifInMulticastPkts(2)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFINMULTICASTPKTS: var->val_len = sizeof(u_long); var->type = ASN_COUNTER; rc = ifInMulticastPkts_get(rowreq_ctx, (u_long *) var->val.string); break; /* * ifInBroadcastPkts(3)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFINBROADCASTPKTS: var->val_len = sizeof(u_long); var->type = ASN_COUNTER; rc = ifInBroadcastPkts_get(rowreq_ctx, (u_long *) var->val.string); break; /* * ifOutMulticastPkts(4)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFOUTMULTICASTPKTS: var->val_len = sizeof(u_long); var->type = ASN_COUNTER; rc = ifOutMulticastPkts_get(rowreq_ctx, (u_long *) var->val.string); break; /* * ifOutBroadcastPkts(5)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFOUTBROADCASTPKTS: var->val_len = sizeof(u_long); var->type = ASN_COUNTER; rc = ifOutBroadcastPkts_get(rowreq_ctx, (u_long *) var->val.string); break; /* * ifHCInOctets(6)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCINOCTETS: var->val_len = sizeof(struct counter64); var->type = ASN_COUNTER64; rc = ifHCInOctets_get(rowreq_ctx, (struct counter64 *) var->val.string); break; /* * ifHCInUcastPkts(7)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCINUCASTPKTS: var->val_len = sizeof(struct counter64); var->type = ASN_COUNTER64; rc = ifHCInUcastPkts_get(rowreq_ctx, (struct counter64 *) var->val.string); break; /* * ifHCInMulticastPkts(8)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCINMULTICASTPKTS: var->val_len = sizeof(struct counter64); var->type = ASN_COUNTER64; rc = ifHCInMulticastPkts_get(rowreq_ctx, (struct counter64 *) var->val.string); break; /* * ifHCInBroadcastPkts(9)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCINBROADCASTPKTS: var->val_len = sizeof(struct counter64); var->type = ASN_COUNTER64; rc = ifHCInBroadcastPkts_get(rowreq_ctx, (struct counter64 *) var->val.string); break; /* * ifHCOutOctets(10)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCOUTOCTETS: var->val_len = sizeof(struct counter64); var->type = ASN_COUNTER64; rc = ifHCOutOctets_get(rowreq_ctx, (struct counter64 *) var->val.string); break; /* * ifHCOutUcastPkts(11)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCOUTUCASTPKTS: var->val_len = sizeof(struct counter64); var->type = ASN_COUNTER64; rc = ifHCOutUcastPkts_get(rowreq_ctx, (struct counter64 *) var->val.string); break; /* * ifHCOutMulticastPkts(12)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCOUTMULTICASTPKTS: var->val_len = sizeof(struct counter64); var->type = ASN_COUNTER64; rc = ifHCOutMulticastPkts_get(rowreq_ctx, (struct counter64 *) var->val.string); break; /* * ifHCOutBroadcastPkts(13)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCOUTBROADCASTPKTS: var->val_len = sizeof(struct counter64); var->type = ASN_COUNTER64; rc = ifHCOutBroadcastPkts_get(rowreq_ctx, (struct counter64 *) var->val.string); break; /* * ifLinkUpDownTrapEnable(14)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFLINKUPDOWNTRAPENABLE: var->val_len = sizeof(u_long); var->type = ASN_INTEGER; rc = ifLinkUpDownTrapEnable_get(rowreq_ctx, (u_long *) var->val.string); break; /* * ifHighSpeed(15)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFHIGHSPEED: var->val_len = sizeof(u_long); var->type = ASN_GAUGE; rc = ifHighSpeed_get(rowreq_ctx, (u_long *) var->val.string); break; /* * ifPromiscuousMode(16)/TruthValue/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFPROMISCUOUSMODE: var->val_len = sizeof(u_long); var->type = ASN_INTEGER; rc = ifPromiscuousMode_get(rowreq_ctx, (u_long *) var->val.string); break; /* * ifConnectorPresent(17)/TruthValue/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h */ case COLUMN_IFCONNECTORPRESENT: var->val_len = sizeof(u_long); var->type = ASN_INTEGER; rc = ifConnectorPresent_get(rowreq_ctx, (u_long *) var->val.string); break; /* * ifAlias(18)/DisplayString/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H */ case COLUMN_IFALIAS: var->type = ASN_OCTET_STR; rc = ifAlias_get(rowreq_ctx, (char **) &var->val.string, &var->val_len); break; /* * ifCounterDiscontinuityTime(19)/TimeStamp/ASN_TIMETICKS/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFCOUNTERDISCONTINUITYTIME: var->val_len = sizeof(u_long); var->type = ASN_TIMETICKS; rc = ifCounterDiscontinuityTime_get(rowreq_ctx, (u_long *) var->val.string); break; default: snmp_log(LOG_ERR, "unknown column %d in _ifXTable_get_column\n", column); break; } return rc; } /* _ifXTable_get_column */ int _mfd_ifXTable_get_values(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); netsnmp_table_request_info *tri; u_char *old_string; void (*dataFreeHook) (void *); int rc; DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_get_values", "called\n")); netsnmp_assert(NULL != rowreq_ctx); for (; requests; requests = requests->next) { /* * save old pointer, so we can free it if replaced */ old_string = requests->requestvb->val.string; dataFreeHook = requests->requestvb->dataFreeHook; if (NULL == requests->requestvb->val.string) { requests->requestvb->val.string = requests->requestvb->buf; requests->requestvb->val_len = sizeof(requests->requestvb->buf); } else if (requests->requestvb->buf == requests->requestvb->val.string) { if (requests->requestvb->val_len != sizeof(requests->requestvb->buf)) requests->requestvb->val_len = sizeof(requests->requestvb->buf); } /* * get column data */ tri = netsnmp_extract_table_info(requests); if (NULL == tri) continue; rc = _ifXTable_get_column(rowreq_ctx, requests->requestvb, tri->colnum); if (rc) { if (MFD_SKIP == rc) { requests->requestvb->type = SNMP_NOSUCHINSTANCE; rc = SNMP_ERR_NOERROR; } } else if (NULL == requests->requestvb->val.string) { snmp_log(LOG_ERR, "NULL varbind data pointer!\n"); rc = SNMP_ERR_GENERR; } if (rc) netsnmp_request_set_error(requests, SNMP_VALIDATE_ERR(rc)); /* * if the buffer wasn't used previously for the old data (i.e. it * was allcoated memory) and the get routine replaced the pointer, * we need to free the previous pointer. */ if (old_string && (old_string != requests->requestvb->buf) && (requests->requestvb->val.string != old_string)) { if (dataFreeHook) (*dataFreeHook) (old_string); else free(old_string); } } /* for results */ return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_get_values */ #if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT)) /*********************************************************************** * * SET processing * ***********************************************************************/ /*---------------------------------------------------------------------- * * SET: Syntax checks * *---------------------------------------------------------------------*/ /* * @internal * Check the syntax for a particular column */ NETSNMP_STATIC_INLINE int _ifXTable_check_column(ifXTable_rowreq_ctx * rowreq_ctx, netsnmp_variable_list * var, int column) { int rc = SNMPERR_SUCCESS; DEBUGMSGTL(("internal:ifXTable:_ifXTable_check_column", "called for %d\n", column)); netsnmp_assert(NULL != rowreq_ctx); switch (column) { /* * ifName(1)/DisplayString/ASN_OCTET_STR/char(char)//L/A/w/e/R/d/H */ case COLUMN_IFNAME: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifInMulticastPkts(2)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFINMULTICASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifInBroadcastPkts(3)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFINBROADCASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifOutMulticastPkts(4)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFOUTMULTICASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifOutBroadcastPkts(5)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFOUTBROADCASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifHCInOctets(6)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCINOCTETS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifHCInUcastPkts(7)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCINUCASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifHCInMulticastPkts(8)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCINMULTICASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifHCInBroadcastPkts(9)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCINBROADCASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifHCOutOctets(10)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCOUTOCTETS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifHCOutUcastPkts(11)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCOUTUCASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifHCOutMulticastPkts(12)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCOUTMULTICASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifHCOutBroadcastPkts(13)/COUNTER64/ASN_COUNTER64/U64(U64)//l/A/w/e/r/d/h */ case COLUMN_IFHCOUTBROADCASTPKTS: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifLinkUpDownTrapEnable(14)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFLINKUPDOWNTRAPENABLE: rc = netsnmp_check_vb_type_and_size(var, ASN_INTEGER, sizeof(rowreq_ctx->data. ifLinkUpDownTrapEnable)); /* * check that the value is one of defined enums */ if ((SNMPERR_SUCCESS == rc) && (*var->val.integer != IFLINKUPDOWNTRAPENABLE_ENABLED) && (*var->val.integer != IFLINKUPDOWNTRAPENABLE_DISABLED) ) { rc = SNMP_ERR_WRONGVALUE; } if (SNMPERR_SUCCESS != rc) { DEBUGMSGTL(("ifXTable:_ifXTable_check_column:ifLinkUpDownTrapEnable", "varbind validation failed (eg bad type or size)\n")); } else { rc = ifLinkUpDownTrapEnable_check_value(rowreq_ctx, *((u_long *) var->val. string)); if ((MFD_SUCCESS != rc) && (MFD_NOT_VALID_EVER != rc) && (MFD_NOT_VALID_NOW != rc)) { snmp_log(LOG_ERR, "bad rc %d from ifLinkUpDownTrapEnable_check_value\n", rc); rc = SNMP_ERR_GENERR; } } break; /* * ifHighSpeed(15)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFHIGHSPEED: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifPromiscuousMode(16)/TruthValue/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFPROMISCUOUSMODE: rc = netsnmp_check_vb_type_and_size(var, ASN_INTEGER, sizeof(rowreq_ctx->data. ifPromiscuousMode)); /* * check that the value is one of defined enums */ if ((SNMPERR_SUCCESS == rc) && (*var->val.integer != TRUTHVALUE_TRUE) && (*var->val.integer != TRUTHVALUE_FALSE) ) { rc = SNMP_ERR_WRONGVALUE; } if (SNMPERR_SUCCESS != rc) { DEBUGMSGTL(("ifXTable:_ifXTable_check_column:ifPromiscuousMode", "varbind validation failed (eg bad type or size)\n")); } else { rc = ifPromiscuousMode_check_value(rowreq_ctx, *((u_long *) var->val. string)); if ((MFD_SUCCESS != rc) && (MFD_NOT_VALID_EVER != rc) && (MFD_NOT_VALID_NOW != rc)) { snmp_log(LOG_ERR, "bad rc %d from ifPromiscuousMode_check_value\n", rc); rc = SNMP_ERR_GENERR; } } break; /* * ifConnectorPresent(17)/TruthValue/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h */ case COLUMN_IFCONNECTORPRESENT: rc = SNMP_ERR_NOTWRITABLE; break; /* * ifAlias(18)/DisplayString/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H */ case COLUMN_IFALIAS: rc = netsnmp_check_vb_type_and_max_size(var, ASN_OCTET_STR, sizeof(rowreq_ctx->data. ifAlias)); /* * check defined range(s). */ if (rc == SNMPERR_SUCCESS && var->val_len > 64) { rc = SNMP_ERR_WRONGLENGTH; } if (SNMPERR_SUCCESS != rc) { DEBUGMSGTL(("ifXTable:_ifXTable_check_column:ifAlias", "varbind validation failed (eg bad type or size)\n")); } else { rc = ifAlias_check_value(rowreq_ctx, (char *) var->val.string, var->val_len); if ((MFD_SUCCESS != rc) && (MFD_NOT_VALID_EVER != rc) && (MFD_NOT_VALID_NOW != rc)) { snmp_log(LOG_ERR, "bad rc %d from ifAlias_check_value\n", rc); rc = SNMP_ERR_GENERR; } } break; /* * ifCounterDiscontinuityTime(19)/TimeStamp/ASN_TIMETICKS/u_long(u_long)//l/A/w/e/r/d/h */ case COLUMN_IFCOUNTERDISCONTINUITYTIME: rc = SNMP_ERR_NOTWRITABLE; break; default: /** We shouldn't get here */ rc = SNMP_ERR_GENERR; snmp_log(LOG_ERR, "unknown column %d in _ifXTable_check_column\n", column); } return rc; } /* _ifXTable_check_column */ int _mfd_ifXTable_check_objects(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); netsnmp_table_request_info *tri; int rc; DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_check_objects", "called\n")); netsnmp_assert(NULL != rowreq_ctx); for (; requests; requests = requests->next) { /* * get column number from table request info, and check that column */ tri = netsnmp_extract_table_info(requests); if (NULL == tri) continue; rc = _ifXTable_check_column(rowreq_ctx, requests->requestvb, tri->colnum); if (rc) { netsnmp_request_set_error(requests, SNMP_VALIDATE_ERR(rc)); break; } } /* for results */ return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_check_objects */ /*---------------------------------------------------------------------- * * SET: check dependencies * *---------------------------------------------------------------------*/ /* * @internal * Check dependencies wrapper */ static int _mfd_ifXTable_check_dependencies(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { int rc; ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_check_dependencies", "called\n")); netsnmp_assert(NULL != rowreq_ctx); rc = ifXTable_check_dependencies(rowreq_ctx); if (rc) { DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_check_dependencies\n", rc)); netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc)); } return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_check_dependencies */ /*---------------------------------------------------------------------- * * SET: Undo setup * *---------------------------------------------------------------------*/ /* * @internal * Set the value for a particular column */ NETSNMP_STATIC_INLINE int _ifXTable_undo_setup_column(ifXTable_rowreq_ctx * rowreq_ctx, int column) { int rc = SNMPERR_SUCCESS; DEBUGMSGTL(("internal:ifXTable:_ifXTable_undo_setup_column", "called for %d\n", column)); netsnmp_assert(NULL != rowreq_ctx); switch (column) { /* * ifLinkUpDownTrapEnable(14)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFLINKUPDOWNTRAPENABLE: rowreq_ctx->column_set_flags |= COLUMN_IFLINKUPDOWNTRAPENABLE_FLAG; rc = ifLinkUpDownTrapEnable_undo_setup(rowreq_ctx); break; /* * ifPromiscuousMode(16)/TruthValue/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFPROMISCUOUSMODE: rowreq_ctx->column_set_flags |= COLUMN_IFPROMISCUOUSMODE_FLAG; rc = ifPromiscuousMode_undo_setup(rowreq_ctx); break; /* * ifAlias(18)/DisplayString/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H */ case COLUMN_IFALIAS: rowreq_ctx->column_set_flags |= COLUMN_IFALIAS_FLAG; rc = ifAlias_undo_setup(rowreq_ctx); break; default: snmp_log(LOG_ERR, "unknown column %d in _ifXTable_undo_setup_column\n", column); break; } return rc; } /* _ifXTable_undo_setup_column */ /** * @internal * undo setup */ int _mfd_ifXTable_undo_setup(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { int rc; ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_undo_setup", "called\n")); netsnmp_assert(NULL != rowreq_ctx); /* * allocate undo context */ rowreq_ctx->undo = ifXTable_allocate_data(); if (NULL == rowreq_ctx->undo) { /** msg already logged */ netsnmp_request_set_error_all(requests, SNMP_ERR_RESOURCEUNAVAILABLE); return SNMP_ERR_NOERROR; } /* * row undo setup */ rowreq_ctx->column_set_flags = 0; rc = ifXTable_undo_setup(rowreq_ctx); if (MFD_SUCCESS != rc) { DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_undo_setup\n", rc)); netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc)); } else { /* * column undo setup */ netsnmp_table_request_info *tri; for (; requests; requests = requests->next) { /* * set column data */ tri = netsnmp_extract_table_info(requests); if (NULL == tri) continue; rc = _ifXTable_undo_setup_column(rowreq_ctx, tri->colnum); if (MFD_SUCCESS != rc) { DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_undo_setup_column\n", rc)); netsnmp_set_request_error(agtreq_info, requests, SNMP_VALIDATE_ERR(rc)); } } /* for results */ } return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_undo_setup */ /** * @internal * undo setup */ int _mfd_ifXTable_undo_cleanup(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); int rc; DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_undo_cleanup", "called\n")); /* * failed row create in early stages has no rowreq_ctx */ if (NULL == rowreq_ctx) return MFD_SUCCESS; /* * call user cleanup */ rc = ifXTable_undo_cleanup(rowreq_ctx); if (MFD_SUCCESS != rc) { /* * nothing we can do about it but log it */ DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_undo_cleanup\n", rc)); } /* * release undo context, if needed */ if (rowreq_ctx->undo) { ifXTable_release_data(rowreq_ctx->undo); rowreq_ctx->undo = NULL; } return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_undo_cleanup */ /*---------------------------------------------------------------------- * * SET: Set values * *---------------------------------------------------------------------*/ /* * @internal * Set the value for a particular column */ NETSNMP_STATIC_INLINE int _ifXTable_set_column(ifXTable_rowreq_ctx * rowreq_ctx, netsnmp_variable_list * var, int column) { int rc = SNMPERR_SUCCESS; DEBUGMSGTL(("internal:ifXTable:_ifXTable_set_column", "called for %d\n", column)); netsnmp_assert(NULL != rowreq_ctx); switch (column) { /* * ifLinkUpDownTrapEnable(14)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFLINKUPDOWNTRAPENABLE: rowreq_ctx->column_set_flags |= COLUMN_IFLINKUPDOWNTRAPENABLE_FLAG; rc = ifLinkUpDownTrapEnable_set(rowreq_ctx, *((u_long *) var->val.string)); break; /* * ifPromiscuousMode(16)/TruthValue/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFPROMISCUOUSMODE: rowreq_ctx->column_set_flags |= COLUMN_IFPROMISCUOUSMODE_FLAG; rc = ifPromiscuousMode_set(rowreq_ctx, *((u_long *) var->val.string)); break; /* * ifAlias(18)/DisplayString/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H */ case COLUMN_IFALIAS: rowreq_ctx->column_set_flags |= COLUMN_IFALIAS_FLAG; rc = ifAlias_set(rowreq_ctx, (char *) var->val.string, var->val_len); break; default: snmp_log(LOG_ERR, "unknown column %d in _ifXTable_set_column\n", column); rc = SNMP_ERR_GENERR; break; } return rc; } /* _ifXTable_set_column */ int _mfd_ifXTable_set_values(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); netsnmp_table_request_info *tri; int rc = SNMP_ERR_NOERROR; DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_set_values", "called\n")); netsnmp_assert(NULL != rowreq_ctx); rowreq_ctx->column_set_flags = 0; for (; requests; requests = requests->next) { /* * set column data */ tri = netsnmp_extract_table_info(requests); if (NULL == tri) continue; rc = _ifXTable_set_column(rowreq_ctx, requests->requestvb, tri->colnum); if (MFD_SUCCESS != rc) { DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_set_column\n", rc)); netsnmp_set_request_error(agtreq_info, requests, SNMP_VALIDATE_ERR(rc)); } } /* for results */ return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_set_values */ /*---------------------------------------------------------------------- * * SET: commit * *---------------------------------------------------------------------*/ /** * @internal * commit the values */ int _mfd_ifXTable_commit(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { int rc; ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_commit", "called\n")); netsnmp_assert(NULL != rowreq_ctx); rc = ifXTable_commit(rowreq_ctx); if (MFD_SUCCESS != rc) { DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_commit\n", rc)); netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc)); } if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) { /* * if we successfully commited this row, set the dirty flag. Use the * current value + 1 (i.e. dirty = # rows changed). * this is checked in post_request... */ ifXTable_dirty_set(ifXTable_dirty_get() + 1); /* set table dirty flag */ } return SNMP_ERR_NOERROR; } int _mfd_ifXTable_undo_commit(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { int rc; ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_undo_commit", "called\n")); netsnmp_assert(NULL != rowreq_ctx); if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) { u_int d = ifXTable_dirty_get(); netsnmp_assert(d != 0); if (d) ifXTable_dirty_set(d - 1); } rc = ifXTable_undo_commit(rowreq_ctx); if (MFD_SUCCESS != rc) { /* * nothing we can do about it but log it */ DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_undo_commit\n", rc)); } if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) { snmp_log(LOG_WARNING, "ifXTable row dirty flag still set after undo_commit\n"); rowreq_ctx->rowreq_flags &= ~MFD_ROW_DIRTY; } return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_commit */ /*---------------------------------------------------------------------- * * SET: Undo * *---------------------------------------------------------------------*/ /** * @internal * undo the value for a particular column */ NETSNMP_STATIC_INLINE int _ifXTable_undo_column(ifXTable_rowreq_ctx * rowreq_ctx, netsnmp_variable_list * var, int column) { int rc = SNMPERR_SUCCESS; DEBUGMSGTL(("internal:ifXTable:_ifXTable_undo_column", "called for %d\n", column)); netsnmp_assert(NULL != rowreq_ctx); switch (column) { /* * ifLinkUpDownTrapEnable(14)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFLINKUPDOWNTRAPENABLE: rc = ifLinkUpDownTrapEnable_undo(rowreq_ctx); break; /* * ifPromiscuousMode(16)/TruthValue/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h */ case COLUMN_IFPROMISCUOUSMODE: rc = ifPromiscuousMode_undo(rowreq_ctx); break; /* * ifAlias(18)/DisplayString/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H */ case COLUMN_IFALIAS: rc = ifAlias_undo(rowreq_ctx); break; default: snmp_log(LOG_ERR, "unknown column %d in _ifXTable_undo_column\n", column); break; } return rc; } /* _ifXTable_undo_column */ int _mfd_ifXTable_undo_values(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { int rc; ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); netsnmp_table_request_info *tri; DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_undo_values", "called\n")); netsnmp_assert(NULL != rowreq_ctx); rc = ifXTable_undo(rowreq_ctx); if (MFD_SUCCESS != rc) { /* * nothing we can do about it but log it */ DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_undo\n", rc)); } for (; requests; requests = requests->next) { /* * set column data */ tri = netsnmp_extract_table_info(requests); if (NULL == tri) continue; rc = _ifXTable_undo_column(rowreq_ctx, requests->requestvb, tri->colnum); if (MFD_SUCCESS != rc) { /* * nothing we can do about it but log it */ DEBUGMSGTL(("ifXTable:mfd", "error %d from " "ifXTable_undo_column\n", rc)); } } /* for results */ return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_undo_values */ /*---------------------------------------------------------------------- * * SET: irreversible commit * *---------------------------------------------------------------------*/ /** * @internal * commit irreversible actions */ int _mfd_ifXTable_irreversible_commit(netsnmp_mib_handler *handler, netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *agtreq_info, netsnmp_request_info *requests) { ifXTable_rowreq_ctx *rowreq_ctx = (ifXTable_rowreq_ctx*) netsnmp_container_table_row_extract(requests); DEBUGMSGTL(("internal:ifXTable:_mfd_ifXTable_irreversible:commit", "called\n")); netsnmp_assert(NULL != rowreq_ctx); /* * check for and handle row creation/deletion * and update column exist flags... */ if (rowreq_ctx->rowreq_flags & MFD_ROW_DELETED) { CONTAINER_REMOVE(ifXTable_if_ctx.container, rowreq_ctx); } else { if (rowreq_ctx->column_set_flags) { rowreq_ctx->column_set_flags = 0; } } return SNMP_ERR_NOERROR; } /* _mfd_ifXTable_irreversible_commit */ #endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */ /*********************************************************************** * * DATA ACCESS * ***********************************************************************/ /** * @internal * initialize the container with functions or wrappers */ void _ifXTable_container_init(ifXTable_interface_ctx * if_ctx) { DEBUGMSGTL(("internal:ifXTable:_ifXTable_container_init", "called\n")); /* * cache init * * special case: sharing a cache */ if_ctx->cache = netsnmp_cache_find_by_oid(ifTable_oid, ifTable_oid_size); if (NULL != if_ctx->cache) { if_ctx->container = (netsnmp_container *) if_ctx->cache->magic; return; } else { snmp_log(LOG_ERR, "error finding ifTable cache\n"); } } /* * allow direct access to container. */ netsnmp_container * _ifXTable_container_get(void) { return ifXTable_if_ctx.container; } /** * @internal * shutdown the container with functions or wrappers */ void _ifXTable_container_shutdown(ifXTable_interface_ctx * if_ctx) { DEBUGMSGTL(("internal:ifXTable:_ifXTable_container_shutdown", "called\n")); /* * ifTable does this for us */ } /* _ifXTable_container_shutdown */ /*********************************************************************** * * PERSISTENCE * ***********************************************************************/ static int _ifXTable_container_save_rows(int majorID, int minorID, void *serverarg, void *clientarg); static void _ifXTable_container_row_restore(const char *token, char *buf); static void _ifXTable_container_row_save(void *data, void *type); static char *_ifXTable_container_col_restore(ifXTable_rowreq_ctx * rowreq_ctx, u_int col, char *buf); static char *_ifXTable_container_col_save(ifXTable_rowreq_ctx * rowreq_ctx, u_int col, char *buf); static const char row_token[] = "ifXTable"; /************************************************************ * *_init_persistence should be called from the main table * init routine. * * If your table depends on rows in another table, * you should register your callback after the other table, * which should ensure the rows on which you depend are saved * (and re-created) before the dependent rows. */ void ifXTable_container_init_persistence(netsnmp_container *container) { netsnmp_container **container_p; int rc; register_config_handler(NULL, row_token, _ifXTable_container_row_restore, NULL, NULL); netsnmp_assert(container); container_p = netsnmp_memdup(&container, sizeof(container)); netsnmp_assert(container_p); rc = snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_STORE_DATA, _ifXTable_container_save_rows, container_p); if (rc != SNMP_ERR_NOERROR) snmp_log(LOG_ERR, "error registering for STORE_DATA callback " "in _ifXTable_container_init_persistence\n"); } static int _ifXTable_container_save_rows(int majorID, int minorID, void *serverarg, void *clientarg) { char sep[] = "##############################################################"; char buf[] = "#\n" "# ifXTable persistent data\n" "#"; char *type = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPTYPE); read_config_store((char *) type, sep); read_config_store((char *) type, buf); /* * save all rows */ CONTAINER_FOR_EACH(*(netsnmp_container **)clientarg, _ifXTable_container_row_save, type); read_config_store((char *) type, sep); read_config_store((char *) type, "\n"); /* * never fails */ return SNMPERR_SUCCESS; } /************************************************************ * _ifXTable_container_row_save */ static void _ifXTable_container_row_save(void *data, void *type) { ifXTable_rowreq_ctx *rowreq_ctx = data; /* * Allocate space for a line with all data for a row. An * attempt is made to come up with a default maximum size, but * there is no guarantee it will be enough. It probably will be, * unless you are dealing with large values or you have external * indexes. * * 1) allocate space for each column. Comment out columns you don't * intend to save. You may also need to add room for any non- * column data you want to store. Remeber, data will be stored in * ASCII form, so you need to allow for that. Here are some * general guidelines: * * Object ID : 12 * len [ASCII len of max int + 1 for .] * Octet String: (2 * len) + 2 [2 ASCII chars per byte + "0x"] * Integers : 12 [ASCII len for smallest negative number] * * 2) You also need to allocate space for the row index. This will * be stored as an OID, which means that Octet Strings need to * be treated a little differently. Specifically, you will need * (4 * len) + 4 [3 ASCII chars per byte + 1 for ., + 4 for len]. * * 3) Also, remember to add space for the identifier and separator * characters (for example, each column is prefixed by the * column number and a semicolon. To allow for the maximum * column values, 12 bytes [11 for oid + 1 for ':'] per * column are added). */ /** xxx: add storage for external index(s)! */ #define MAX_ROW_SIZE (sizeof(row_token) + 1 + \ ( 12 ) + /* ASN_INTEGER ifLinkUpDownTrapEnable */ \ ( 12 ) + /* ASN_INTEGER ifPromiscuousMode */ \ ( ( 2 * sizeof(rowreq_ctx->data.ifAlias) ) + 3 ) + /* ASN_OCTET_STR */ \ ( IFXTABLE_MAX_COL * 12 ) + /* column num prefix + : */ \ 2 /* LINE_TERM_CHAR + \n */ ) char buf[MAX_ROW_SIZE], *pos = buf, *max = &buf[MAX_ROW_SIZE - 1]; char *tmp; int i; if (ifXTable_container_should_save(rowreq_ctx) == 0) { return; } /* * build the line */ pos += sprintf(pos, "%s ", row_token); pos = read_config_save_objid(pos, rowreq_ctx->oid_idx.oids, rowreq_ctx->oid_idx.len); if (NULL == pos) { snmp_log(LOG_ERR, "error saving ifXTable row " "to persistent file\n"); return; } *pos++ = ' '; if (pos > max) { snmp_log(LOG_ERR, "error saving ifXTable row " "to persistent file (too long)\n"); return; } /* * add each column */ for (i = IFXTABLE_MIN_COL; i <= IFXTABLE_MAX_COL; ++i) { if ((0x1 << (i - 1)) & ~IFXTABLE_SETTABLE_COLS) continue; tmp = pos; pos = _ifXTable_container_col_save(rowreq_ctx, i, pos); if (NULL == pos) pos = tmp; else *pos++ = ' '; if (pos > max) { snmp_log(LOG_ERR, "error saving ifXTable row " "to persistent file (too long)\n"); return; } } /* * if you have non-column data, add it here */ /* * store the line */ pos += sprintf(pos, "%c", LINE_TERM_CHAR); if (pos > max) { snmp_log(LOG_ERR, "error saving ifXTable row " "to persistent file (too long)\n"); return; } read_config_store((char *) type, buf); DEBUGMSGTL(("internal:ifXTable:_ifXTable_container_row_save", "saving line '%s'\n", buf)); } static void _ifXTable_container_row_restore(const char *token, char *buf) { ifXTable_rowreq_ctx *rowreq_ctx; netsnmp_container *container; netsnmp_index index; oid tmp_oid[MAX_ifTable_IDX_LEN]; u_int col = 0, found = 0; if (strncmp(token, row_token, sizeof(row_token)) != 0) { snmp_log(LOG_ERR, "unknown token in _ifXTable_container_row_restore\n"); return; } container = _ifXTable_container_get(); if (NULL == container) { snmp_log(LOG_ERR, "null container in _ifXTable_restore\n"); return; } DEBUGMSGTL(("internal:ifXTable:_ifXTable_container_row_restore", "parsing line '%s'\n", buf)); /* * pull out index and find row. (Since we populate the cache * during startup, all rows should exist.) */ index.oids = tmp_oid; index.len = OID_LENGTH(tmp_oid); buf = read_config_read_objid(buf, &index.oids, &index.len); if (NULL == buf) { snmp_log(LOG_ERR, "error reading row index in " "_ifXTable_container_row_restore\n"); return; } rowreq_ctx = (ifXTable_rowreq_ctx*)CONTAINER_FIND(container, &index); if (NULL == rowreq_ctx) { snmp_log(LOG_DEBUG, "error finding row index in " "_ifXTable_container_row_restore\n"); return; } /* * loop through and get each column */ buf = skip_white(buf); while ((NULL != buf) && isdigit(*buf & 0xFF)) { /* * extract column, skip ':' */ col = (u_int) strtol(buf, &buf, 10); if (NULL == buf) break; if (*buf != ':') { buf = NULL; break; } ++buf; /* skip : */ /* * parse value */ DEBUGMSGTL(("_ifXTable_container_row_restore", "parsing column %d\n", col)); buf = _ifXTable_container_col_restore(rowreq_ctx, col, buf); ++found; } if (0 == found) { snmp_log(LOG_ERR, "error parsing ifXTable row; no columns found\n"); return; } /* * if you added any non-column data, this is where * you should handle it. */ /* * if the pointer is NULL and we didn't reach the * end of the line, something went wrong. Log message, * and bail. */ if ((buf == NULL) || (*buf != LINE_TERM_CHAR)) { snmp_log(LOG_ERR, "error parsing ifXTable row around column %d\n", col); return; } DEBUGMSGTL(("internal:ifXTable:_ifXTable_container_row_restore", "inserting row\n")); } /************************************************************ * _ifXTable_container_col_save */ static char * _ifXTable_container_col_save(ifXTable_rowreq_ctx * rowreq_ctx, u_int col, char *buf) { if ((NULL == rowreq_ctx) || (NULL == buf)) { snmp_log(LOG_ERR, "bad parameter in " "_ifXTable_container_col_save\n"); return NULL; } DEBUGMSGTL(("internal:ifXTable:_ifXTable_container_col_save", "processing column %d\n", col)); /* * prefix with column number, so we don't ever depend on * order saved. */ buf += sprintf(buf, "%u:", col); /* * save data for the column */ switch (col) { case COLUMN_IFLINKUPDOWNTRAPENABLE: /** INTEGER = ASN_INTEGER */ buf += sprintf(buf, "%ld", rowreq_ctx->data.ifLinkUpDownTrapEnable); break; case COLUMN_IFALIAS: /** DisplayString = ASN_OCTET_STR */ buf = read_config_save_octet_string(buf, (u_char *) rowreq_ctx->data.ifAlias, rowreq_ctx->data.ifAlias_len); break; default: /** We shouldn't get here */ snmp_log(LOG_ERR, "unknown column %d in " "_ifXTable_container_col_save\n", col); return NULL; } return buf; } /************************************************************ * _ifXTable_container_col_restore */ static char * _ifXTable_container_col_restore(ifXTable_rowreq_ctx * rowreq_ctx, u_int col, char *buf) { size_t len; if ((NULL == rowreq_ctx) || (NULL == buf)) { snmp_log(LOG_ERR, "bad parameter in " "_ifXTable_container_col_restore\n"); return NULL; } DEBUGMSGTL(("verbose:ifXTable:_ifXTable_container_col_restore", "processing column %d\n", col)); /* * restore data for the column */ switch (col) { case COLUMN_IFLINKUPDOWNTRAPENABLE: /** INTEGER = ASN_INTEGER */ len = sizeof(rowreq_ctx->data.ifLinkUpDownTrapEnable); buf = read_config_read_memory(ASN_INTEGER, buf, (char *) &rowreq_ctx->data. ifLinkUpDownTrapEnable, &len); break; case COLUMN_IFALIAS: /** DisplayString = ASN_OCTET_STR */ rowreq_ctx->data.ifAlias_len = sizeof(rowreq_ctx->data.ifAlias); buf = read_config_read_memory(ASN_OCTET_STR, buf, (char *) &rowreq_ctx->data.ifAlias, (size_t *) & rowreq_ctx->data. ifAlias_len); break; default: /** We shouldn't get here */ snmp_log(LOG_ERR, "unknown column %d in " "_ifXTable_container_col_restore\n", col); return NULL; } return buf; } #ifndef NETSNMP_FEATURE_REMOVE_IFXTABLE_EXTERNAL_ACCESS ifXTable_rowreq_ctx * ifXTable_row_find_by_mib_index(ifXTable_mib_index * mib_idx) { ifXTable_rowreq_ctx *rowreq_ctx; oid oid_tmp[MAX_OID_LEN]; netsnmp_index oid_idx; int rc; /* * set up storage for OID */ oid_idx.oids = oid_tmp; oid_idx.len = sizeof(oid_tmp) / sizeof(oid); /* * convert */ rc = ifXTable_index_to_oid(&oid_idx, mib_idx); if (MFD_SUCCESS != rc) return NULL; rowreq_ctx = (ifXTable_rowreq_ctx*)CONTAINER_FIND(ifXTable_if_ctx.container, &oid_idx); return rowreq_ctx; } #endif /* NETSNMP_FEATURE_REMOVE_IFXTABLE_EXTERNAL_ACCESS */