diff options
Diffstat (limited to 'agent/mibgroup/if-mib/ifXTable/ifXTable_interface.c')
| -rw-r--r-- | agent/mibgroup/if-mib/ifXTable/ifXTable_interface.c | 2201 |
1 files changed, 2201 insertions, 0 deletions
diff --git a/agent/mibgroup/if-mib/ifXTable/ifXTable_interface.c b/agent/mibgroup/if-mib/ifXTable/ifXTable_interface.c new file mode 100644 index 0000000..6828ab2 --- /dev/null +++ b/agent/mibgroup/if-mib/ifXTable/ifXTable_interface.c @@ -0,0 +1,2201 @@ +/* + * 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-features.h> +#include <net-snmp/net-snmp-features.h> +#include <net-snmp/net-snmp-includes.h> +#include <net-snmp/agent/net-snmp-agent-includes.h> + +/* + * include our parent header + */ +#include "ifXTable.h" + + +#include <net-snmp/agent/table_container.h> +#include <net-snmp/library/container.h> + +#include "ifXTable_interface.h" +#include "if-mib/ifTable/ifTable_interface.h" +#include "if-mib/ifTable/ifTable_defs.h" + +#include <ctype.h> + +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(U64); + var->type = ASN_COUNTER64; + rc = ifHCInOctets_get(rowreq_ctx, (U64 *) 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(U64); + var->type = ASN_COUNTER64; + rc = ifHCInUcastPkts_get(rowreq_ctx, (U64 *) 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(U64); + var->type = ASN_COUNTER64; + rc = ifHCInMulticastPkts_get(rowreq_ctx, (U64 *) 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(U64); + var->type = ASN_COUNTER64; + rc = ifHCInBroadcastPkts_get(rowreq_ctx, (U64 *) 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(U64); + var->type = ASN_COUNTER64; + rc = ifHCOutOctets_get(rowreq_ctx, (U64 *) 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(U64); + var->type = ASN_COUNTER64; + rc = ifHCOutUcastPkts_get(rowreq_ctx, (U64 *) 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(U64); + var->type = ASN_COUNTER64; + rc = ifHCOutMulticastPkts_get(rowreq_ctx, (U64 *) 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(U64); + var->type = ASN_COUNTER64; + rc = ifHCOutBroadcastPkts_get(rowreq_ctx, (U64 *) 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 ((SNMPERR_SUCCESS == rc) + && ((var->val_len < 0) || (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 int _ifXTable_container_row_save(ifXTable_rowreq_ctx * + rowreq_ctx, 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); + memdup((u_char **)&container_p, &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, + (netsnmp_container_obj_func *) + _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 int +_ifXTable_container_row_save(ifXTable_rowreq_ctx * rowreq_ctx, void *type) +{ + /* + * 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 SNMP_ERR_NOERROR; + } + + /* + * 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 SNMP_ERR_GENERR; + } + *pos++ = ' '; + if (pos > max) { + snmp_log(LOG_ERR, "error saving ifXTable row " + "to persistent file (too long)\n"); + return SNMP_ERR_GENERR; + } + + /* + * 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 SNMP_ERR_GENERR; + } + } + + /* + * 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 SNMP_ERR_GENERR; + } + read_config_store((char *) type, buf); + + DEBUGMSGTL(("internal:ifXTable:_ifXTable_container_row_save", + "saving line '%s'\n", buf)); + + return SNMP_ERR_NOERROR; +} + +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 */ |