| #include <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| #include <net-snmp/agent/scalar.h> |
| |
| #ifdef HAVE_STRING_H |
| #include <string.h> |
| #else |
| #include <strings.h> |
| #endif |
| |
| #include "agent/nsDebug.h" |
| |
| #define nsConfigDebug 1, 3, 6, 1, 4, 1, 8072, 1, 7, 1 |
| |
| void |
| init_nsDebug(void) |
| { |
| /* |
| * OIDs for the debugging control scalar objects |
| * |
| * Note that these we're registering the full object rather |
| * than the (sole) valid instance in each case, in order |
| * to handle requests for invalid instances properly. |
| */ |
| const oid nsDebugEnabled_oid[] = { nsConfigDebug, 1}; |
| const oid nsDebugOutputAll_oid[] = { nsConfigDebug, 2}; |
| const oid nsDebugDumpPdu_oid[] = { nsConfigDebug, 3}; |
| |
| /* |
| * ... and for the token table. |
| */ |
| |
| #define DBGTOKEN_PREFIX 2 |
| #define DBGTOKEN_ENABLED 3 |
| #define DBGTOKEN_STATUS 4 |
| const oid nsDebugTokenTable_oid[] = { nsConfigDebug, 4}; |
| |
| netsnmp_table_registration_info *table_info; |
| netsnmp_iterator_info *iinfo; |
| |
| /* |
| * Register the scalar objects... |
| */ |
| DEBUGMSGTL(("nsDebugScalars", "Initializing\n")); |
| netsnmp_register_scalar( |
| netsnmp_create_handler_registration( |
| "nsDebugEnabled", handle_nsDebugEnabled, |
| nsDebugEnabled_oid, OID_LENGTH(nsDebugEnabled_oid), |
| HANDLER_CAN_RWRITE) |
| ); |
| netsnmp_register_scalar( |
| netsnmp_create_handler_registration( |
| "nsDebugOutputAll", handle_nsDebugOutputAll, |
| nsDebugOutputAll_oid, OID_LENGTH(nsDebugOutputAll_oid), |
| HANDLER_CAN_RWRITE) |
| ); |
| netsnmp_register_scalar( |
| netsnmp_create_handler_registration( |
| "nsDebugDumpPdu", handle_nsDebugDumpPdu, |
| nsDebugDumpPdu_oid, OID_LENGTH(nsDebugDumpPdu_oid), |
| HANDLER_CAN_RWRITE) |
| ); |
| |
| /* |
| * ... and the table. |
| * We need to define the column structure and indexing.... |
| */ |
| |
| table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info); |
| if (!table_info) { |
| return; |
| } |
| netsnmp_table_helper_add_indexes(table_info, ASN_PRIV_IMPLIED_OCTET_STR, 0); |
| table_info->min_column = DBGTOKEN_STATUS; |
| table_info->max_column = DBGTOKEN_STATUS; |
| |
| |
| /* |
| * .... and the iteration information .... |
| */ |
| iinfo = SNMP_MALLOC_TYPEDEF(netsnmp_iterator_info); |
| if (!iinfo) { |
| return; |
| } |
| iinfo->get_first_data_point = get_first_debug_entry; |
| iinfo->get_next_data_point = get_next_debug_entry; |
| iinfo->table_reginfo = table_info; |
| |
| |
| /* |
| * .... and register the table with the agent. |
| */ |
| netsnmp_register_table_iterator( |
| netsnmp_create_handler_registration( |
| "tzDebugTable", handle_nsDebugTable, |
| nsDebugTokenTable_oid, OID_LENGTH(nsDebugTokenTable_oid), |
| HANDLER_CAN_RWRITE), |
| iinfo); |
| } |
| |
| |
| int |
| handle_nsDebugEnabled(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| long enabled; |
| netsnmp_request_info *request=NULL; |
| |
| switch (reqinfo->mode) { |
| |
| case MODE_GET: |
| enabled = snmp_get_do_debugging(); |
| if ( enabled==0 ) |
| enabled=2; /* false */ |
| for (request = requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| snmp_set_var_typed_value(request->requestvb, ASN_INTEGER, |
| (u_char*)&enabled, sizeof(enabled)); |
| } |
| break; |
| |
| |
| case MODE_SET_RESERVE1: |
| for (request = requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| if ( request->status != 0 ) { |
| return SNMP_ERR_NOERROR; /* Already got an error */ |
| } |
| if ( request->requestvb->type != ASN_INTEGER ) { |
| netsnmp_set_request_error(reqinfo, request, SNMP_ERR_WRONGTYPE); |
| return SNMP_ERR_WRONGTYPE; |
| } |
| if (( *request->requestvb->val.integer != 1 ) && |
| ( *request->requestvb->val.integer != 2 )) { |
| netsnmp_set_request_error(reqinfo, request, SNMP_ERR_WRONGVALUE); |
| return SNMP_ERR_WRONGVALUE; |
| } |
| } |
| break; |
| |
| case MODE_SET_COMMIT: |
| enabled = *requests->requestvb->val.integer; |
| if (enabled == 2 ) /* false */ |
| enabled = 0; |
| snmp_set_do_debugging( enabled ); |
| break; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
| |
| int |
| handle_nsDebugOutputAll(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| long enabled; |
| netsnmp_request_info *request=NULL; |
| |
| switch (reqinfo->mode) { |
| |
| case MODE_GET: |
| enabled = snmp_get_do_debugging(); |
| if ( enabled==0 ) |
| enabled=2; /* false */ |
| for (request = requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| snmp_set_var_typed_value(request->requestvb, ASN_INTEGER, |
| (u_char*)&enabled, sizeof(enabled)); |
| } |
| break; |
| |
| |
| case MODE_SET_RESERVE1: |
| for (request = requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| if ( request->status != 0 ) { |
| return SNMP_ERR_NOERROR; /* Already got an error */ |
| } |
| if ( request->requestvb->type != ASN_INTEGER ) { |
| netsnmp_set_request_error(reqinfo, request, SNMP_ERR_WRONGTYPE); |
| return SNMP_ERR_WRONGTYPE; |
| } |
| if (( *request->requestvb->val.integer != 1 ) && |
| ( *request->requestvb->val.integer != 2 )) { |
| netsnmp_set_request_error(reqinfo, request, SNMP_ERR_WRONGVALUE); |
| return SNMP_ERR_WRONGVALUE; |
| } |
| } |
| break; |
| |
| case MODE_SET_COMMIT: |
| enabled = *requests->requestvb->val.integer; |
| if (enabled == 2 ) /* false */ |
| enabled = 0; |
| snmp_set_do_debugging( enabled ); |
| break; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
| |
| int |
| handle_nsDebugDumpPdu(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| long enabled; |
| netsnmp_request_info *request=NULL; |
| |
| switch (reqinfo->mode) { |
| |
| case MODE_GET: |
| enabled = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, |
| NETSNMP_DS_LIB_DUMP_PACKET); |
| if ( enabled==0 ) |
| enabled=2; /* false */ |
| for (request = requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| snmp_set_var_typed_value(request->requestvb, ASN_INTEGER, |
| (u_char*)&enabled, sizeof(enabled)); |
| } |
| break; |
| |
| |
| case MODE_SET_RESERVE1: |
| for (request = requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| if ( request->status != 0 ) { |
| return SNMP_ERR_NOERROR; /* Already got an error */ |
| } |
| if ( request->requestvb->type != ASN_INTEGER ) { |
| netsnmp_set_request_error(reqinfo, request, SNMP_ERR_WRONGTYPE); |
| return SNMP_ERR_WRONGTYPE; |
| } |
| if (( *request->requestvb->val.integer != 1 ) && |
| ( *request->requestvb->val.integer != 2 )) { |
| netsnmp_set_request_error(reqinfo, request, SNMP_ERR_WRONGVALUE); |
| return SNMP_ERR_WRONGVALUE; |
| } |
| } |
| break; |
| |
| case MODE_SET_COMMIT: |
| enabled = *requests->requestvb->val.integer; |
| if (enabled == 2 ) /* false */ |
| enabled = 0; |
| netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, |
| NETSNMP_DS_LIB_DUMP_PACKET, enabled); |
| break; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
| /* |
| * var_tzIntTableFixed(): |
| * Handle the tzIntTable as a fixed table of NUMBER_TZ_ENTRIES rows, |
| * with the timezone offset hardwired to be the same as the index. |
| */ |
| |
| netsnmp_variable_list * |
| get_first_debug_entry(void **loop_context, void **data_context, |
| netsnmp_variable_list *index, |
| netsnmp_iterator_info *data) |
| { |
| int i; |
| |
| for (i=0; i<debug_num_tokens; i++) { |
| /* skip excluded til mib is updated */ |
| if (dbg_tokens[i].token_name && (dbg_tokens[i].enabled != 2)) |
| break; |
| } |
| if ( i==debug_num_tokens ) |
| return NULL; |
| |
| snmp_set_var_value(index, dbg_tokens[i].token_name, |
| strlen(dbg_tokens[i].token_name)); |
| *loop_context = (void*)(intptr_t)i; |
| *data_context = (void*)&dbg_tokens[i]; |
| return index; |
| } |
| |
| netsnmp_variable_list * |
| get_next_debug_entry(void **loop_context, void **data_context, |
| netsnmp_variable_list *index, |
| netsnmp_iterator_info *data) |
| { |
| int i = (int)(intptr_t)*loop_context; |
| |
| for (i++; i<debug_num_tokens; i++) { |
| /* skip excluded til mib is updated */ |
| if (dbg_tokens[i].token_name && (dbg_tokens[i].enabled != 2)) |
| break; |
| } |
| if ( i==debug_num_tokens ) |
| return NULL; |
| |
| snmp_set_var_value(index, dbg_tokens[i].token_name, |
| strlen(dbg_tokens[i].token_name)); |
| *loop_context = (void*)(intptr_t)i; |
| *data_context = (void*)&dbg_tokens[i]; |
| return index; |
| } |
| |
| |
| int |
| handle_nsDebugTable(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| long status; |
| netsnmp_request_info *request =NULL; |
| netsnmp_table_request_info *table_info =NULL; |
| netsnmp_token_descr *debug_entry=NULL; |
| |
| switch (reqinfo->mode) { |
| |
| case MODE_GET: |
| for (request=requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| debug_entry = (netsnmp_token_descr*) |
| netsnmp_extract_iterator_context(request); |
| if (!debug_entry) |
| continue; |
| status = (debug_entry->enabled ? RS_ACTIVE : RS_NOTINSERVICE); |
| snmp_set_var_typed_value(request->requestvb, ASN_INTEGER, |
| (u_char*)&status, sizeof(status)); |
| } |
| break; |
| |
| |
| case MODE_SET_RESERVE1: |
| for (request = requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| if ( request->status != 0 ) { |
| return SNMP_ERR_NOERROR; /* Already got an error */ |
| } |
| if ( request->requestvb->type != ASN_INTEGER ) { |
| netsnmp_set_request_error(reqinfo, request, SNMP_ERR_WRONGTYPE); |
| return SNMP_ERR_WRONGTYPE; |
| } |
| |
| debug_entry = (netsnmp_token_descr*) |
| netsnmp_extract_iterator_context(request); |
| switch (*request->requestvb->val.integer) { |
| case RS_ACTIVE: |
| case RS_NOTINSERVICE: |
| /* |
| * These operations require an existing row |
| */ |
| if (!debug_entry) { |
| netsnmp_set_request_error(reqinfo, request, |
| SNMP_ERR_INCONSISTENTVALUE); |
| return SNMP_ERR_INCONSISTENTVALUE; |
| } |
| break; |
| |
| case RS_CREATEANDWAIT: |
| case RS_CREATEANDGO: |
| /* |
| * These operations assume the row doesn't already exist |
| */ |
| if (debug_entry) { |
| netsnmp_set_request_error(reqinfo, request, |
| SNMP_ERR_INCONSISTENTVALUE); |
| return SNMP_ERR_INCONSISTENTVALUE; |
| } |
| break; |
| |
| case RS_DESTROY: |
| /* |
| * This operation can work regardless |
| */ |
| break; |
| |
| case RS_NOTREADY: |
| default: |
| netsnmp_set_request_error(reqinfo, request, |
| SNMP_ERR_WRONGVALUE); |
| return SNMP_ERR_WRONGVALUE; |
| } |
| } |
| break; |
| |
| |
| case MODE_SET_COMMIT: |
| for (request = requests; request; request=request->next) { |
| if (request->processed != 0) |
| continue; |
| if ( request->status != 0 ) { |
| return SNMP_ERR_NOERROR; /* Already got an error */ |
| } |
| |
| switch (*request->requestvb->val.integer) { |
| case RS_ACTIVE: |
| case RS_NOTINSERVICE: |
| /* |
| * Update the enabled field appropriately |
| */ |
| debug_entry = (netsnmp_token_descr*) |
| netsnmp_extract_iterator_context(request); |
| if (debug_entry) |
| debug_entry->enabled = |
| (*request->requestvb->val.integer == RS_ACTIVE); |
| break; |
| |
| case RS_CREATEANDWAIT: |
| case RS_CREATEANDGO: |
| /* |
| * Create the entry, and set the enabled field appropriately |
| */ |
| table_info = netsnmp_extract_table_info(request); |
| debug_register_tokens((char *) table_info->indexes->val.string); |
| #ifdef UMMMMM |
| if (*request->requestvb->val.integer == RS_CREATEANDWAIT) { |
| /* XXX - how to locate the entry ?? */ |
| debug_entry->enabled = 0; |
| } |
| #endif |
| break; |
| |
| case RS_DESTROY: |
| /* |
| * XXX - there's no "remove" API :-( |
| */ |
| debug_entry = (netsnmp_token_descr*) |
| netsnmp_extract_iterator_context(request); |
| if (debug_entry) { |
| debug_entry->enabled = 0; |
| free(debug_entry->token_name); |
| debug_entry->token_name = NULL; |
| } |
| break; |
| } |
| } |
| break; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
