| /* |
| * 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 <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| |
| /* |
| * include our parent header |
| */ |
| #include "ifTable.h" |
| #include "ifTable_defs.h" |
| |
| |
| #include <net-snmp/agent/table_container.h> |
| #include <net-snmp/library/container.h> |
| |
| #include "ifTable_interface.h" |
| |
| #include <ctype.h> |
| |
| /********************************************************************** |
| ********************************************************************** |
| *** |
| *** Table ifTable |
| *** |
| ********************************************************************** |
| **********************************************************************/ |
| /* |
| * IF-MIB::ifTable is subid 2 of interfaces. |
| * Its status is Current. |
| * OID: .1.3.6.1.2.1.2.2, length: 8 |
| */ |
| typedef struct ifTable_interface_ctx_s { |
| |
| netsnmp_container *container; |
| netsnmp_cache *cache; |
| |
| ifTable_registration *user_ctx; |
| |
| netsnmp_table_registration_info tbl_info; |
| |
| netsnmp_baby_steps_access_methods access_multiplexer; |
| |
| u_int table_dirty; |
| |
| u_long last_changed; |
| |
| } ifTable_interface_ctx; |
| |
| static ifTable_interface_ctx ifTable_if_ctx; |
| |
| static void _ifTable_container_init(ifTable_interface_ctx * if_ctx); |
| static void _ifTable_container_shutdown(ifTable_interface_ctx * |
| if_ctx); |
| |
| |
| netsnmp_container * |
| ifTable_container_get(void) |
| { |
| return ifTable_if_ctx.container; |
| } |
| |
| ifTable_registration * |
| ifTable_registration_get(void) |
| { |
| return ifTable_if_ctx.user_ctx; |
| } |
| |
| ifTable_registration * |
| ifTable_registration_set(ifTable_registration * newreg) |
| { |
| ifTable_registration *old = ifTable_if_ctx.user_ctx; |
| ifTable_if_ctx.user_ctx = newreg; |
| return old; |
| } |
| |
| int |
| ifTable_container_size(void) |
| { |
| return CONTAINER_SIZE(ifTable_if_ctx.container); |
| } |
| |
| u_int |
| ifTable_dirty_get(void) |
| { |
| return ifTable_if_ctx.table_dirty; |
| } |
| |
| void |
| ifTable_dirty_set(u_int status) |
| { |
| DEBUGMSGTL(("ifTable:ifTable_dirty_set", |
| "called. was %d, now %d\n", |
| ifTable_if_ctx.table_dirty, status)); |
| ifTable_if_ctx.table_dirty = status; |
| } |
| |
| /* |
| * ifTableLastChanged, which is not the last time that a row in |
| * the table was changed, but rather is the last time a row was |
| * added/deleted from the table. |
| */ |
| void |
| ifTable_lastChange_set(u_long table_changed) |
| { |
| DEBUGMSGTL(("ifTable:ifTable_lastChanged_set", |
| "called. was %ld, now %ld\n", |
| ifTable_if_ctx.last_changed, table_changed)); |
| ifTable_if_ctx.last_changed = table_changed; |
| } |
| |
| /* |
| * mfd multiplexer modes |
| */ |
| static Netsnmp_Node_Handler _mfd_ifTable_pre_request; |
| static Netsnmp_Node_Handler _mfd_ifTable_post_request; |
| static Netsnmp_Node_Handler _mfd_ifTable_object_lookup; |
| static Netsnmp_Node_Handler _mfd_ifTable_get_values; |
| #ifndef NETSNMP_DISABLE_SET_SUPPORT |
| static Netsnmp_Node_Handler _mfd_ifTable_check_objects; |
| static Netsnmp_Node_Handler _mfd_ifTable_undo_setup; |
| static Netsnmp_Node_Handler _mfd_ifTable_set_values; |
| static Netsnmp_Node_Handler _mfd_ifTable_undo_cleanup; |
| static Netsnmp_Node_Handler _mfd_ifTable_undo_values; |
| static Netsnmp_Node_Handler _mfd_ifTable_commit; |
| static Netsnmp_Node_Handler _mfd_ifTable_undo_commit; |
| static Netsnmp_Node_Handler _mfd_ifTable_irreversible_commit; |
| static Netsnmp_Node_Handler _mfd_ifTable_check_dependencies; |
| |
| NETSNMP_STATIC_INLINE int _ifTable_undo_column(ifTable_rowreq_ctx * |
| rowreq_ctx, |
| netsnmp_variable_list * var, |
| int column); |
| #endif |
| |
| ifTable_data *ifTable_allocate_data(void); |
| |
| /** |
| * common init of container for ifTable and ifXTable |
| */ |
| void |
| if_mib_container_init(void) |
| { |
| static int done = 0; |
| |
| if (done) |
| return; |
| |
| DEBUGMSGTL(("internal:ifTable:ifTable_container_init", "called\n")); |
| |
| done = 1; |
| |
| /* |
| * set up the container. This is outside the rewrite ifdef, because |
| * the container is used by the ifXTable too.. |
| */ |
| _ifTable_container_init(&ifTable_if_ctx); |
| } |
| |
| /** |
| * @internal |
| * Initialize the table ifTable |
| * (Define its contents and how it's structured) |
| */ |
| void |
| _ifTable_initialize_interface(ifTable_registration * reg_ptr, u_long flags) |
| { |
| netsnmp_baby_steps_access_methods *access_multiplexer = |
| &ifTable_if_ctx.access_multiplexer; |
| netsnmp_table_registration_info *tbl_info = &ifTable_if_ctx.tbl_info; |
| netsnmp_handler_registration *reginfo; |
| netsnmp_mib_handler *handler; |
| int mfd_modes = 0; |
| |
| DEBUGMSGTL(("internal:ifTable:_ifTable_initialize_interface", |
| "called\n")); |
| |
| (void) if_mib_container_init(); |
| if (NULL == ifTable_if_ctx.container) |
| return; /* msg already logged */ |
| |
| #ifndef USING_MIBII_INTERFACES_MODULE |
| /************************************************* |
| * |
| * save interface context for ifTable |
| */ |
| /* |
| * 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 retrival. |
| */ |
| tbl_info->min_column = IFTABLE_MIN_COL; |
| tbl_info->max_column = IFTABLE_MAX_COL; |
| |
| /* |
| * save users context |
| */ |
| ifTable_if_ctx.user_ctx = reg_ptr; |
| |
| /* |
| * call data access initialization code |
| */ |
| ifTable_init_data(reg_ptr); |
| |
| /* |
| * access_multiplexer: REQUIRED wrapper for get request handling |
| */ |
| access_multiplexer->object_lookup = _mfd_ifTable_object_lookup; |
| access_multiplexer->get_values = _mfd_ifTable_get_values; |
| |
| /* |
| * no wrappers yet |
| */ |
| access_multiplexer->pre_request = _mfd_ifTable_pre_request; |
| access_multiplexer->post_request = _mfd_ifTable_post_request; |
| |
| |
| #ifndef NETSNMP_DISABLE_SET_SUPPORT |
| /* |
| * REQUIRED wrappers for set request handling |
| */ |
| access_multiplexer->object_syntax_checks = _mfd_ifTable_check_objects; |
| access_multiplexer->undo_setup = _mfd_ifTable_undo_setup; |
| access_multiplexer->undo_cleanup = _mfd_ifTable_undo_cleanup; |
| access_multiplexer->set_values = _mfd_ifTable_set_values; |
| access_multiplexer->undo_sets = _mfd_ifTable_undo_values; |
| |
| /* |
| * no wrappers yet |
| */ |
| access_multiplexer->commit = _mfd_ifTable_commit; |
| access_multiplexer->undo_commit = _mfd_ifTable_undo_commit; |
| access_multiplexer->irreversible_commit = |
| _mfd_ifTable_irreversible_commit; |
| |
| /* |
| * REQUIRED for tables with dependencies |
| */ |
| access_multiplexer->consistency_checks = |
| _mfd_ifTable_check_dependencies; |
| #endif |
| |
| /************************************************* |
| * |
| * Create a registration, save our reg data, register table. |
| */ |
| DEBUGMSGTL(("ifTable:init_ifTable", |
| "Registering ifTable as a mibs-for-dummies table.\n")); |
| handler = |
| netsnmp_baby_steps_access_multiplexer_get(access_multiplexer); |
| reginfo = |
| netsnmp_handler_registration_create("ifTable", handler, |
| ifTable_oid, ifTable_oid_size, |
| HANDLER_CAN_BABY_STEP |
| #ifndef NETSNMP_DISABLE_SET_SUPPORT |
| | HANDLER_CAN_RWRITE |
| #endif |
| ); |
| if (NULL == reginfo) { |
| snmp_log(LOG_ERR, "error registering table ifTable\n"); |
| return; |
| } |
| reginfo->my_reg_void = &ifTable_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; |
| |
| #ifndef 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 |
| |
| 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, |
| ifTable_if_ctx.container, |
| TABLE_CONTAINER_KEY_NETSNMP_INDEX); |
| netsnmp_inject_handler(reginfo, handler); |
| |
| /************************************************* |
| * |
| * inject cache helper |
| */ |
| if (NULL != ifTable_if_ctx.cache) { |
| handler = netsnmp_cache_handler_get(ifTable_if_ctx.cache); |
| netsnmp_inject_handler(reginfo, handler); |
| } |
| |
| /* |
| * register table |
| */ |
| netsnmp_register_table(reginfo, tbl_info); |
| |
| |
| /* |
| * register ifTableLastChanged |
| */ |
| { |
| oid iftlc_oid[] = { IFTABLE_LAST_CHANGE }; |
| netsnmp_register_watched_scalar(netsnmp_create_handler_registration |
| ("ifTableLastChanged", NULL, |
| iftlc_oid, OID_LENGTH(iftlc_oid), |
| HANDLER_CAN_RONLY), |
| netsnmp_create_watcher_info((void |
| *) |
| &ifTable_if_ctx. |
| last_changed, |
| sizeof |
| (u_long), |
| ASN_TIMETICKS, |
| WATCHER_FIXED_SIZE)); |
| } |
| #endif /* USING_MIBII_INTERFACES_MODULE */ |
| |
| } /* _ifTable_initialize_interface */ |
| |
| /** |
| * @internal |
| * Shutdown the table ifTable |
| */ |
| void |
| _ifTable_shutdown_interface(ifTable_registration * reg_ptr) |
| { |
| /* |
| * shutdown the container |
| */ |
| _ifTable_container_shutdown(&ifTable_if_ctx); |
| } |
| |
| void |
| ifTable_valid_columns_set(netsnmp_column_info *vc) |
| { |
| ifTable_if_ctx.tbl_info.valid_columns = vc; |
| } /* ifTable_valid_columns_set */ |
| |
| /** |
| * @internal |
| * convert the index component stored in the context to an oid |
| */ |
| int |
| ifTable_index_to_oid(netsnmp_index * oid_idx, ifTable_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:ifTable:ifTable_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; |
| } /* ifTable_index_to_oid */ |
| |
| /** |
| * extract ifTable indexes from a netsnmp_index |
| * |
| * @retval SNMP_ERR_NOERROR : no error |
| * @retval SNMP_ERR_GENERR : error |
| */ |
| int |
| ifTable_index_from_oid(netsnmp_index * oid_idx, |
| ifTable_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:ifTable:ifTable_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; |
| } /* ifTable_index_from_oid */ |
| |
| |
| /* |
| * ifTable_allocate_data |
| * |
| * Purpose: create new ifTable_data. |
| */ |
| ifTable_data * |
| ifTable_allocate_data(void) |
| { |
| ifTable_data *rtn = SNMP_MALLOC_TYPEDEF(ifTable_data); |
| |
| DEBUGMSGTL(("verbose:ifTable:ifTable_allocate_data", "called\n")); |
| |
| if (NULL == rtn) { |
| snmp_log(LOG_ERR, "unable to malloc memory for new " |
| "ifTable_data.\n"); |
| } |
| |
| return rtn; |
| } /* ifTable_allocate_data */ |
| |
| /* |
| * ifTable_release_data |
| * |
| * Purpose: release ifTable data. |
| */ |
| void |
| ifTable_release_data(ifTable_data * data) |
| { |
| DEBUGMSGTL(("verbose:ifTable:ifTable_release_data", "called\n")); |
| |
| free(data); |
| } /* ifTable_release_data */ |
| |
| /* |
| ********************************************************************* |
| * @internal |
| * allocate resources for a ifTable_rowreq_ctx |
| */ |
| ifTable_rowreq_ctx * |
| ifTable_allocate_rowreq_ctx(void *user_init_ctx) |
| { |
| ifTable_rowreq_ctx *rowreq_ctx = |
| SNMP_MALLOC_TYPEDEF(ifTable_rowreq_ctx); |
| |
| DEBUGMSGTL(("internal:ifTable:ifTable_allocate_rowreq_ctx", |
| "called\n")); |
| |
| if (NULL == rowreq_ctx) { |
| snmp_log(LOG_ERR, "Couldn't allocate memory for a " |
| "ifTable_rowreq_ctx.\n"); |
| return NULL; |
| } |
| |
| rowreq_ctx->oid_idx.oids = rowreq_ctx->oid_tmp; |
| |
| rowreq_ctx->ifTable_data_list = NULL; |
| |
| /* |
| * if we allocated data, call init routine |
| */ |
| if (!(rowreq_ctx->rowreq_flags & MFD_ROW_DATA_FROM_USER)) { |
| if (SNMPERR_SUCCESS != |
| ifTable_rowreq_ctx_init(rowreq_ctx, user_init_ctx)) { |
| ifTable_release_rowreq_ctx(rowreq_ctx); |
| rowreq_ctx = NULL; |
| } |
| } |
| |
| return rowreq_ctx; |
| } /* ifTable_allocate_rowreq_ctx */ |
| |
| /* |
| * @internal |
| * release resources for a ifTable_rowreq_ctx |
| */ |
| void |
| ifTable_release_rowreq_ctx(ifTable_rowreq_ctx * rowreq_ctx) |
| { |
| DEBUGMSGTL(("internal:ifTable:ifTable_release_rowreq_ctx", |
| "called\n")); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| ifTable_rowreq_ctx_cleanup(rowreq_ctx); |
| |
| if (rowreq_ctx->undo) { |
| ifTable_release_data(rowreq_ctx->undo); |
| rowreq_ctx->undo = NULL; |
| } |
| |
| /* |
| * free index oid pointer |
| */ |
| if (rowreq_ctx->oid_idx.oids != rowreq_ctx->oid_tmp) |
| free(rowreq_ctx->oid_idx.oids); |
| |
| SNMP_FREE(rowreq_ctx); |
| } /* ifTable_release_rowreq_ctx */ |
| |
| /** |
| * @internal |
| * wrapper |
| */ |
| static int |
| _mfd_ifTable_pre_request(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| int rc; |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_pre_request", "called\n")); |
| |
| if (1 != netsnmp_row_merge_status_first(reginfo, agtreq_info)) { |
| DEBUGMSGTL(("internal:ifTable", |
| "skipping additional pre_request\n")); |
| return SNMP_ERR_NOERROR; |
| } |
| |
| rc = ifTable_pre_request(ifTable_if_ctx.user_ctx); |
| if (MFD_SUCCESS != rc) { |
| /* |
| * nothing we can do about it but log it |
| */ |
| DEBUGMSGTL(("ifTable", "error %d from " |
| "ifTable_pre_request\n", rc)); |
| netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc)); |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_pre_request */ |
| |
| /** |
| * @internal |
| * wrapper |
| */ |
| static int |
| _mfd_ifTable_post_request(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| int rc, packet_rc; |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_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:ifTable", |
| "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) && ifTable_dirty_get()) { |
| /* |
| * we shouldn't get here. the undo steps should also clear |
| * the dirty flags. |
| */ |
| snmp_log(LOG_WARNING, "ifTable dirty flag set in post_request " |
| "but status != SUCCESS.\n"); |
| } |
| |
| rc = ifTable_post_request(ifTable_if_ctx.user_ctx, packet_rc); |
| if (MFD_SUCCESS != rc) { |
| /* |
| * nothing we can do about it but log it |
| */ |
| DEBUGMSGTL(("ifTable", "error %d from " |
| "ifTable_post_request\n", rc)); |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_post_request */ |
| |
| /** |
| * @internal |
| * wrapper |
| */ |
| static int |
| _mfd_ifTable_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; |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_object_lookup", |
| "called\n")); |
| |
| /* |
| * get our context from mfd |
| * ifTable_interface_ctx *if_ctx = |
| * (ifTable_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 |
| ifTable_row_prep(rowreq_ctx); |
| |
| return SNMP_VALIDATE_ERR(rc); |
| } /* _mfd_ifTable_object_lookup */ |
| |
| /*********************************************************************** |
| * |
| * GET processing |
| * |
| ***********************************************************************/ |
| /* |
| * @internal |
| * Retrieve the value for a particular column |
| */ |
| NETSNMP_STATIC_INLINE int |
| _ifTable_get_column(ifTable_rowreq_ctx * rowreq_ctx, |
| netsnmp_variable_list * var, int column) |
| { |
| int rc = SNMPERR_SUCCESS; |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_get_column", |
| "called for %d\n", column)); |
| |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| switch (column) { |
| |
| /* |
| * (INDEX) ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H |
| */ |
| case COLUMN_IFINDEX: |
| var->type = ASN_INTEGER; |
| var->val_len = sizeof(long); |
| (*var->val.integer) = rowreq_ctx->tbl_idx.ifIndex; |
| break; |
| |
| /* |
| * ifDescr(2)/DisplayString/ASN_OCTET_STR/char(char)//L/A/w/e/R/d/H |
| */ |
| case COLUMN_IFDESCR: |
| var->type = ASN_OCTET_STR; |
| rc = ifDescr_get(rowreq_ctx, (char **) &var->val.string, |
| &var->val_len); |
| break; |
| |
| /* |
| * ifType(3)/IANAifType/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h |
| */ |
| case COLUMN_IFTYPE: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_INTEGER; |
| rc = ifType_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifMtu(4)/INTEGER32/ASN_INTEGER/long(long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFMTU: |
| var->val_len = sizeof(long); |
| var->type = ASN_INTEGER; |
| rc = ifMtu_get(rowreq_ctx, (long *) var->val.string); |
| break; |
| |
| /* |
| * ifSpeed(5)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFSPEED: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_GAUGE; |
| rc = ifSpeed_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifPhysAddress(6)/PhysAddress/ASN_OCTET_STR/char(char)//L/A/w/e/r/d/H |
| */ |
| case COLUMN_IFPHYSADDRESS: |
| var->type = ASN_OCTET_STR; |
| rc = ifPhysAddress_get(rowreq_ctx, (char **) &var->val.string, |
| &var->val_len); |
| break; |
| |
| /* |
| * ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h |
| */ |
| case COLUMN_IFADMINSTATUS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_INTEGER; |
| rc = ifAdminStatus_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifOperStatus(8)/INTEGER/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h |
| */ |
| case COLUMN_IFOPERSTATUS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_INTEGER; |
| rc = ifOperStatus_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifLastChange(9)/TICKS/ASN_TIMETICKS/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFLASTCHANGE: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_TIMETICKS; |
| rc = ifLastChange_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifInOctets(10)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINOCTETS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifInOctets_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifInUcastPkts(11)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINUCASTPKTS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifInUcastPkts_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifInNUcastPkts(12)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINNUCASTPKTS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifInNUcastPkts_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifInDiscards(13)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINDISCARDS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifInDiscards_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifInErrors(14)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINERRORS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifInErrors_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifInUnknownProtos(15)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINUNKNOWNPROTOS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifInUnknownProtos_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifOutOctets(16)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTOCTETS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifOutOctets_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifOutUcastPkts(17)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTUCASTPKTS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifOutUcastPkts_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifOutNUcastPkts(18)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTNUCASTPKTS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifOutNUcastPkts_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifOutDiscards(19)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTDISCARDS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifOutDiscards_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifOutErrors(20)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTERRORS: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_COUNTER; |
| rc = ifOutErrors_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifOutQLen(21)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTQLEN: |
| var->val_len = sizeof(u_long); |
| var->type = ASN_GAUGE; |
| rc = ifOutQLen_get(rowreq_ctx, (u_long *) var->val.string); |
| break; |
| |
| /* |
| * ifSpecific(22)/OBJECTID/ASN_OBJECT_ID/oid(oid)//L/A/w/e/r/d/h |
| */ |
| case COLUMN_IFSPECIFIC: |
| var->type = ASN_OBJECT_ID; |
| rc = ifSpecific_get(rowreq_ctx, (oid **) & var->val.string, |
| &var->val_len); |
| break; |
| |
| default: |
| snmp_log(LOG_ERR, "unknown column %d in _ifTable_get_column\n", |
| column); |
| break; |
| } |
| |
| return rc; |
| } /* _ifTable_get_column */ |
| |
| int |
| _mfd_ifTable_get_values(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| netsnmp_table_request_info *tri; |
| u_char *old_string; |
| void (*dataFreeHook) (void *); |
| int rc; |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_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 = _ifTable_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_ifTable_get_values */ |
| |
| |
| |
| |
| #ifndef NETSNMP_DISABLE_SET_SUPPORT |
| /*********************************************************************** |
| * |
| * SET processing |
| * |
| ***********************************************************************/ |
| |
| /*---------------------------------------------------------------------- |
| * |
| * SET: Syntax checks |
| * |
| *---------------------------------------------------------------------*/ |
| /* |
| * @internal |
| * Check the syntax for a particular column |
| */ |
| NETSNMP_STATIC_INLINE int |
| _ifTable_check_column(ifTable_rowreq_ctx * rowreq_ctx, |
| netsnmp_variable_list * var, int column) |
| { |
| int rc = SNMPERR_SUCCESS; |
| |
| DEBUGMSGTL(("internal:ifTable:_ifTable_check_column", |
| "called for %d\n", column)); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| switch (column) { |
| /* |
| * (INDEX) ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H |
| */ |
| case COLUMN_IFINDEX: |
| rc = SNMP_ERR_NOTWRITABLE; /* can not change index of active row */ |
| break; |
| |
| /* |
| * ifDescr(2)/DisplayString/ASN_OCTET_STR/char(char)//L/A/w/e/R/d/H |
| */ |
| case COLUMN_IFDESCR: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifType(3)/IANAifType/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h |
| */ |
| case COLUMN_IFTYPE: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifMtu(4)/INTEGER32/ASN_INTEGER/long(long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFMTU: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifSpeed(5)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFSPEED: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifPhysAddress(6)/PhysAddress/ASN_OCTET_STR/char(char)//L/A/w/e/r/d/H |
| */ |
| case COLUMN_IFPHYSADDRESS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h |
| */ |
| case COLUMN_IFADMINSTATUS: |
| /** special case: we are using exernal storage w/smaller data size |
| ** for storage, so we can't use sizeof on data context. So we |
| ** just check that it's the expected size. The enum tests below |
| ** will ensure that there is no data overflow. */ |
| rc = netsnmp_check_vb_type_and_size(var, ASN_INTEGER, |
| sizeof(u_long)); |
| /* |
| * check that the value is one of defined enums |
| */ |
| if ((SNMPERR_SUCCESS == rc) |
| && (*var->val.integer != IFADMINSTATUS_UP) |
| && (*var->val.integer != IFADMINSTATUS_DOWN) |
| && (*var->val.integer != IFADMINSTATUS_TESTING) |
| ) { |
| rc = SNMP_ERR_WRONGVALUE; |
| } |
| if (SNMPERR_SUCCESS != rc) { |
| DEBUGMSGTL(("ifTable:_ifTable_check_column:ifAdminStatus", |
| "varbind validation failed (eg bad type or size)\n")); |
| } else { |
| rc = ifAdminStatus_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 ifAdminStatus_check_value\n", rc); |
| rc = SNMP_ERR_GENERR; |
| } |
| } |
| break; |
| |
| /* |
| * ifOperStatus(8)/INTEGER/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h |
| */ |
| case COLUMN_IFOPERSTATUS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifLastChange(9)/TICKS/ASN_TIMETICKS/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFLASTCHANGE: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifInOctets(10)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINOCTETS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifInUcastPkts(11)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINUCASTPKTS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifInNUcastPkts(12)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINNUCASTPKTS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifInDiscards(13)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINDISCARDS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifInErrors(14)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINERRORS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifInUnknownProtos(15)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFINUNKNOWNPROTOS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifOutOctets(16)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTOCTETS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifOutUcastPkts(17)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTUCASTPKTS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifOutNUcastPkts(18)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTNUCASTPKTS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifOutDiscards(19)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTDISCARDS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifOutErrors(20)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTERRORS: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifOutQLen(21)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h |
| */ |
| case COLUMN_IFOUTQLEN: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| /* |
| * ifSpecific(22)/OBJECTID/ASN_OBJECT_ID/oid(oid)//L/A/w/e/r/d/h |
| */ |
| case COLUMN_IFSPECIFIC: |
| rc = SNMP_ERR_NOTWRITABLE; |
| break; |
| |
| default: /** We shouldn't get here */ |
| rc = SNMP_ERR_GENERR; |
| snmp_log(LOG_ERR, "unknown column %d in _ifTable_check_column\n", |
| column); |
| } |
| |
| return rc; |
| } /* _ifTable_check_column */ |
| |
| int |
| _mfd_ifTable_check_objects(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| netsnmp_table_request_info *tri; |
| int rc; |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_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 = _ifTable_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_ifTable_check_objects */ |
| |
| /*---------------------------------------------------------------------- |
| * |
| * SET: check dependencies |
| * |
| *---------------------------------------------------------------------*/ |
| /* |
| * @internal |
| * Check dependencies wrapper |
| */ |
| static int |
| _mfd_ifTable_check_dependencies(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| int rc; |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_check_dependencies", |
| "called\n")); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| rc = ifTable_check_dependencies(rowreq_ctx); |
| if (rc) { |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " |
| "ifTable_check_dependencies\n", rc)); |
| netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc)); |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_check_dependencies */ |
| |
| /*---------------------------------------------------------------------- |
| * |
| * SET: Undo setup |
| * |
| *---------------------------------------------------------------------*/ |
| /* |
| * @internal |
| * Set the value for a particular column |
| */ |
| NETSNMP_STATIC_INLINE int |
| _ifTable_undo_setup_column(ifTable_rowreq_ctx * rowreq_ctx, int column) |
| { |
| int rc = SNMPERR_SUCCESS; |
| |
| DEBUGMSGTL(("internal:ifTable:_ifTable_undo_setup_column", |
| "called for %d\n", column)); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| switch (column) { |
| |
| /* |
| * ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h |
| */ |
| case COLUMN_IFADMINSTATUS: |
| rowreq_ctx->column_set_flags |= COLUMN_IFADMINSTATUS_FLAG; |
| rc = ifAdminStatus_undo_setup(rowreq_ctx); |
| break; |
| |
| default: |
| snmp_log(LOG_ERR, |
| "unknown column %d in _ifTable_undo_setup_column\n", |
| column); |
| break; |
| } |
| |
| return rc; |
| } /* _ifTable_undo_setup_column */ |
| |
| int |
| _mfd_ifTable_undo_setup_allocate(ifTable_rowreq_ctx *rowreq_ctx) |
| { |
| int rc = MFD_SUCCESS; |
| |
| if (NULL == rowreq_ctx) |
| return MFD_ERROR; |
| |
| /* |
| * other tables share our container/context and call |
| * this function. so we need to check and see if |
| * someone else already allocated the ifentry |
| */ |
| if (NULL == rowreq_ctx->undo) { |
| rowreq_ctx->undo = ifTable_allocate_data(); |
| if (NULL == rowreq_ctx->undo) { |
| /** msg already logged */ |
| rc = SNMP_ERR_RESOURCEUNAVAILABLE; |
| } |
| else { |
| rowreq_ctx->undo->ifentry = |
| netsnmp_access_interface_entry_create(rowreq_ctx->data.ifentry-> |
| name, |
| rowreq_ctx->data.ifentry-> |
| index); |
| if (NULL == rowreq_ctx->undo->ifentry) { |
| rc = SNMP_ERR_RESOURCEUNAVAILABLE; |
| ifTable_release_data(rowreq_ctx->undo); |
| rowreq_ctx->undo = NULL; |
| } |
| else { |
| netsnmp_access_interface_entry_copy(rowreq_ctx->undo->ifentry, |
| rowreq_ctx->data.ifentry); |
| netsnmp_assert(0 == rowreq_ctx->undo_ref_count); |
| } |
| } |
| } |
| ++rowreq_ctx->undo_ref_count; |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_setup_allocate", |
| "++undo_refcount = %d\n",rowreq_ctx->undo_ref_count)); |
| |
| return rc; |
| } |
| |
| /** |
| * @internal |
| * undo setup |
| */ |
| int |
| _mfd_ifTable_undo_setup(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| int rc; |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_setup", "called\n")); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| /* |
| * allocate undo context |
| */ |
| rc = _mfd_ifTable_undo_setup_allocate(rowreq_ctx); |
| if (MFD_SUCCESS != rc) { |
| netsnmp_request_set_error_all(requests, rc); |
| return SNMP_ERR_NOERROR; |
| } |
| |
| /* |
| * row undo setup |
| */ |
| rc = ifTable_undo_setup(rowreq_ctx); |
| if (MFD_SUCCESS != rc) { |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " |
| "ifTable_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 = _ifTable_undo_setup_column(rowreq_ctx, tri->colnum); |
| if (MFD_SUCCESS != rc) { |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " |
| "ifTable_undo_setup_column\n", rc)); |
| netsnmp_set_request_error(agtreq_info, requests, |
| SNMP_VALIDATE_ERR(rc)); |
| } |
| } /* for results */ |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_undo_setup */ |
| |
| void |
| _mfd_ifTable_undo_setup_release(ifTable_rowreq_ctx *rowreq_ctx) |
| { |
| netsnmp_assert(rowreq_ctx->undo_ref_count > 0); |
| --rowreq_ctx->undo_ref_count; |
| snmp_log(LOG_ERR, "undo_refcount at %d\n", rowreq_ctx->undo_ref_count); |
| |
| if (0 == rowreq_ctx->undo_ref_count) { |
| netsnmp_access_interface_entry_free(rowreq_ctx->undo->ifentry); |
| ifTable_release_data(rowreq_ctx->undo); |
| rowreq_ctx->undo = NULL; |
| } |
| } |
| |
| /** |
| * @internal |
| * undo setup |
| */ |
| int |
| _mfd_ifTable_undo_cleanup(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| int rc; |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_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 = ifTable_undo_cleanup(rowreq_ctx); |
| if (MFD_SUCCESS != rc) { |
| /* |
| * nothing we can do about it but log it |
| */ |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " |
| "ifTable_undo_cleanup\n", rc)); |
| } |
| |
| /* |
| * release undo context, if needed |
| */ |
| _mfd_ifTable_undo_setup_release(rowreq_ctx); |
| |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_undo_cleanup */ |
| |
| /*---------------------------------------------------------------------- |
| * |
| * SET: Set values |
| * |
| *---------------------------------------------------------------------*/ |
| /* |
| * @internal |
| * Set the value for a particular column |
| */ |
| NETSNMP_STATIC_INLINE int |
| _ifTable_set_column(ifTable_rowreq_ctx * rowreq_ctx, |
| netsnmp_variable_list * var, int column) |
| { |
| int rc = SNMPERR_SUCCESS; |
| |
| DEBUGMSGTL(("internal:ifTable:_ifTable_set_column", |
| "called for %d\n", column)); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| switch (column) { |
| |
| /* |
| * ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h |
| */ |
| case COLUMN_IFADMINSTATUS: |
| rowreq_ctx->column_set_flags |= COLUMN_IFADMINSTATUS_FLAG; |
| rc = ifAdminStatus_set(rowreq_ctx, *((u_long *) var->val.string)); |
| break; |
| |
| default: |
| snmp_log(LOG_ERR, "unknown column %d in _ifTable_set_column\n", |
| column); |
| rc = SNMP_ERR_GENERR; |
| break; |
| } |
| |
| return rc; |
| } /* _ifTable_set_column */ |
| |
| int |
| _mfd_ifTable_set_values(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| netsnmp_table_request_info *tri; |
| int rc = SNMP_ERR_NOERROR; |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_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 = _ifTable_set_column(rowreq_ctx, |
| requests->requestvb, tri->colnum); |
| if (MFD_SUCCESS != rc) { |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " |
| "ifTable_set_column\n", rc)); |
| netsnmp_set_request_error(agtreq_info, requests, |
| SNMP_VALIDATE_ERR(rc)); |
| } |
| } /* for results */ |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_set_values */ |
| |
| /*---------------------------------------------------------------------- |
| * |
| * SET: commit |
| * |
| *---------------------------------------------------------------------*/ |
| /** |
| * @internal |
| * commit the values |
| */ |
| int |
| _mfd_ifTable_commit(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| int rc; |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_commit", "called\n")); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| rc = ifTable_commit(rowreq_ctx); |
| if (MFD_SUCCESS != rc) { |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " |
| "ifTable_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... |
| */ |
| ifTable_dirty_set(ifTable_dirty_get() + 1); /* set table dirty flag */ |
| } |
| |
| 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... |
| */ |
| ifTable_dirty_set(ifTable_dirty_get() + 1); /* set table dirty flag */ |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
| int |
| _mfd_ifTable_undo_commit(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| int rc; |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_commit", "called\n")); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) { |
| u_int d = ifTable_dirty_get(); |
| |
| netsnmp_assert(d != 0); |
| if (d) |
| ifTable_dirty_set(d - 1); |
| } |
| |
| rc = ifTable_undo_commit(rowreq_ctx); |
| if (MFD_SUCCESS != rc) { |
| /* |
| * nothing we can do about it but log it |
| */ |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " |
| "ifTable_undo_commit\n", rc)); |
| } |
| |
| if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) { |
| snmp_log(LOG_WARNING, |
| "ifTable row dirty flag still set after undo_commit\n"); |
| rowreq_ctx->rowreq_flags &= ~MFD_ROW_DIRTY; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_commit */ |
| |
| /*---------------------------------------------------------------------- |
| * |
| * SET: Undo |
| * |
| *---------------------------------------------------------------------*/ |
| /** |
| * @internal |
| * undo the value for a particular column |
| */ |
| NETSNMP_STATIC_INLINE int |
| _ifTable_undo_column(ifTable_rowreq_ctx * rowreq_ctx, |
| netsnmp_variable_list * var, int column) |
| { |
| int rc = SNMPERR_SUCCESS; |
| |
| DEBUGMSGTL(("internal:ifTable:_ifTable_undo_column", |
| "called for %d\n", column)); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| switch (column) { |
| |
| /* |
| * ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h |
| */ |
| case COLUMN_IFADMINSTATUS: |
| rc = ifAdminStatus_undo(rowreq_ctx); |
| break; |
| |
| default: |
| snmp_log(LOG_ERR, "unknown column %d in _ifTable_undo_column\n", |
| column); |
| break; |
| } |
| |
| return rc; |
| } /* _ifTable_undo_column */ |
| |
| int |
| _mfd_ifTable_undo_values(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| int rc; |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| netsnmp_table_request_info *tri; |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_values", "called\n")); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| rc = ifTable_undo(rowreq_ctx); |
| if (MFD_SUCCESS != rc) { |
| /* |
| * nothing we can do about it but log it |
| */ |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " "ifTable_undo\n", rc)); |
| } |
| |
| for (; requests; requests = requests->next) { |
| /* |
| * set column data |
| */ |
| tri = netsnmp_extract_table_info(requests); |
| if (NULL == tri) |
| continue; |
| |
| rc = _ifTable_undo_column(rowreq_ctx, requests->requestvb, |
| tri->colnum); |
| if (MFD_SUCCESS != rc) { |
| /* |
| * nothing we can do about it but log it |
| */ |
| DEBUGMSGTL(("ifTable:mfd", "error %d from " |
| "ifTable_undo_column\n", rc)); |
| } |
| } /* for results */ |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_undo_values */ |
| |
| /*---------------------------------------------------------------------- |
| * |
| * SET: irreversible commit |
| * |
| *---------------------------------------------------------------------*/ |
| /** |
| * @internal |
| * commit irreversible actions |
| */ |
| int |
| _mfd_ifTable_irreversible_commit(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *agtreq_info, |
| netsnmp_request_info *requests) |
| { |
| ifTable_rowreq_ctx *rowreq_ctx = |
| netsnmp_container_table_row_extract(requests); |
| |
| DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_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(ifTable_if_ctx.container, rowreq_ctx); |
| } else { |
| if (rowreq_ctx->column_set_flags) { |
| rowreq_ctx->column_set_flags = 0; |
| } |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } /* _mfd_ifTable_irreversible_commit */ |
| #endif |
| |
| /*********************************************************************** |
| * |
| * DATA ACCESS |
| * |
| ***********************************************************************/ |
| static void _container_free(netsnmp_container *container); |
| |
| /** |
| * @internal |
| */ |
| static int |
| _cache_load(netsnmp_cache * cache, void *vmagic) |
| { |
| DEBUGMSGTL(("internal:ifTable:_cache_load", "called\n")); |
| |
| if ((NULL == cache) || (NULL == cache->magic)) { |
| snmp_log(LOG_ERR, "invalid cache for ifTable_cache_load\n"); |
| return -1; |
| } |
| |
| /** should only be called for an invalid or expired cache */ |
| netsnmp_assert((0 == cache->valid) || (1 == cache->expired)); |
| |
| /* |
| * call user code |
| */ |
| return ifTable_container_load((netsnmp_container *) cache->magic); |
| } /* _cache_load */ |
| |
| /** |
| * @internal |
| */ |
| static void |
| _cache_free(netsnmp_cache * cache, void *magic) |
| { |
| netsnmp_container *container; |
| |
| DEBUGMSGTL(("internal:ifTable:_cache_free", "called\n")); |
| |
| if ((NULL == cache) || (NULL == cache->magic)) { |
| snmp_log(LOG_ERR, "invalid cache in ifTable_cache_free\n"); |
| return; |
| } |
| |
| container = (netsnmp_container *) cache->magic; |
| |
| _container_free(container); |
| } /* _cache_free */ |
| |
| /** |
| * @internal |
| */ |
| static void |
| _container_item_free(ifTable_rowreq_ctx * rowreq_ctx, void *context) |
| { |
| DEBUGMSGTL(("internal:ifTable:_container_item_free", "called\n")); |
| |
| if (NULL == rowreq_ctx) |
| return; |
| |
| ifTable_release_rowreq_ctx(rowreq_ctx); |
| } /* _container_item_free */ |
| |
| /** |
| * @internal |
| */ |
| static void |
| _container_free(netsnmp_container *container) |
| { |
| DEBUGMSGTL(("internal:ifTable:_container_free", "called\n")); |
| |
| if (NULL == container) { |
| snmp_log(LOG_ERR, "invalid container in ifTable_container_free\n"); |
| return; |
| } |
| |
| /* |
| * call user code |
| */ |
| ifTable_container_free(container); |
| |
| /* |
| * free all items. inefficient, but easy. |
| */ |
| CONTAINER_CLEAR(container, |
| (netsnmp_container_obj_func *) _container_item_free, |
| NULL); |
| } /* _container_free */ |
| |
| /** |
| * @internal |
| * initialize the container with functions or wrappers |
| */ |
| void |
| _ifTable_container_init(ifTable_interface_ctx * if_ctx) |
| { |
| DEBUGMSGTL(("internal:ifTable:_ifTable_container_init", "called\n")); |
| |
| /* |
| * cache init |
| */ |
| if_ctx->cache = netsnmp_cache_create(30, /* timeout in seconds */ |
| _cache_load, _cache_free, |
| ifTable_oid, ifTable_oid_size); |
| |
| if (NULL == if_ctx->cache) { |
| snmp_log(LOG_ERR, "error creating cache for ifTable\n"); |
| return; |
| } |
| |
| if_ctx->cache->flags = NETSNMP_CACHE_DONT_INVALIDATE_ON_SET; |
| |
| ifTable_container_init(&if_ctx->container, if_ctx->cache); |
| if (NULL == if_ctx->container) |
| if_ctx->container = |
| netsnmp_container_find("ifTable:table_container"); |
| if (NULL == if_ctx->container) { |
| snmp_log(LOG_ERR, "error creating container in " |
| "ifTable_container_init\n"); |
| return; |
| } |
| |
| if_ctx->container->container_name = strdup("ifTable container"); |
| if (NULL != if_ctx->cache) |
| if_ctx->cache->magic = (void *) if_ctx->container; |
| } /* _ifTable_container_init */ |
| |
| /** |
| * @internal |
| * shutdown the container with functions or wrappers |
| */ |
| void |
| _ifTable_container_shutdown(ifTable_interface_ctx * if_ctx) |
| { |
| DEBUGMSGTL(("internal:ifTable:_ifTable_container_shutdown", |
| "called\n")); |
| |
| ifTable_container_shutdown(if_ctx->container); |
| |
| _container_free(if_ctx->container); |
| |
| } /* _ifTable_container_shutdown */ |
| |
| |
| ifTable_rowreq_ctx * |
| ifTable_row_find_by_mib_index(ifTable_mib_index * mib_idx) |
| { |
| ifTable_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 = ifTable_index_to_oid(&oid_idx, mib_idx); |
| if (MFD_SUCCESS != rc) |
| return NULL; |
| |
| rowreq_ctx = CONTAINER_FIND(ifTable_if_ctx.container, &oid_idx); |
| |
| return rowreq_ctx; |
| } |