| #include <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-features.h> |
| |
| #include <sys/types.h> |
| #if HAVE_NETINET_IN_H |
| #include <netinet/in.h> |
| #endif |
| #if HAVE_NETDB_H |
| #include <netdb.h> |
| #endif |
| |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| |
| #include <net-snmp/agent/ds_agent.h> |
| #include <net-snmp/agent/instance.h> |
| #include <net-snmp/agent/table.h> |
| #include <net-snmp/agent/table_data.h> |
| #include <net-snmp/agent/table_dataset.h> |
| #include "net-snmp/agent/sysORTable.h" |
| #include "notification_log.h" |
| |
| netsnmp_feature_require(register_ulong_instance_context) |
| netsnmp_feature_require(register_read_only_counter32_instance_context) |
| netsnmp_feature_require(delete_table_data_set) |
| netsnmp_feature_require(table_dataset) |
| netsnmp_feature_require(date_n_time) |
| |
| /* |
| * column number definitions for table nlmLogTable |
| */ |
| |
| #define COLUMN_NLMLOGINDEX 1 |
| #define COLUMN_NLMLOGTIME 2 |
| #define COLUMN_NLMLOGDATEANDTIME 3 |
| #define COLUMN_NLMLOGENGINEID 4 |
| #define COLUMN_NLMLOGENGINETADDRESS 5 |
| #define COLUMN_NLMLOGENGINETDOMAIN 6 |
| #define COLUMN_NLMLOGCONTEXTENGINEID 7 |
| #define COLUMN_NLMLOGCONTEXTNAME 8 |
| #define COLUMN_NLMLOGNOTIFICATIONID 9 |
| |
| /* |
| * column number definitions for table nlmLogVariableTable |
| */ |
| #define COLUMN_NLMLOGVARIABLEINDEX 1 |
| #define COLUMN_NLMLOGVARIABLEID 2 |
| #define COLUMN_NLMLOGVARIABLEVALUETYPE 3 |
| #define COLUMN_NLMLOGVARIABLECOUNTER32VAL 4 |
| #define COLUMN_NLMLOGVARIABLEUNSIGNED32VAL 5 |
| #define COLUMN_NLMLOGVARIABLETIMETICKSVAL 6 |
| #define COLUMN_NLMLOGVARIABLEINTEGER32VAL 7 |
| #define COLUMN_NLMLOGVARIABLEOCTETSTRINGVAL 8 |
| #define COLUMN_NLMLOGVARIABLEIPADDRESSVAL 9 |
| #define COLUMN_NLMLOGVARIABLEOIDVAL 10 |
| #define COLUMN_NLMLOGVARIABLECOUNTER64VAL 11 |
| #define COLUMN_NLMLOGVARIABLEOPAQUEVAL 12 |
| |
| static u_long num_received = 0; |
| static u_long num_deleted = 0; |
| |
| static u_long max_logged = 1000; /* goes against the mib default of infinite */ |
| static u_long max_age = 1440; /* 1440 = 24 hours, which is the mib default */ |
| |
| static netsnmp_table_data_set *nlmLogTable; |
| static netsnmp_table_data_set *nlmLogVarTable; |
| |
| static oid nlm_module_oid[] = { SNMP_OID_MIB2, 92 }; /* NOTIFICATION-LOG-MIB::notificationLogMIB */ |
| |
| static void |
| netsnmp_notif_log_remove_oldest(int count) |
| { |
| netsnmp_table_row *deleterow, *tmprow, *deletevarrow; |
| |
| DEBUGMSGTL(("notification_log", "deleting %d log entry(s)\n", count)); |
| |
| deleterow = netsnmp_table_data_set_get_first_row(nlmLogTable); |
| for (; count && deleterow; deleterow = tmprow, --count) { |
| /* |
| * delete contained varbinds |
| * xxx-rks: note that this assumes that only the default |
| * log is used (ie for the first nlmLogTable row, the |
| * first nlmLogVarTable rows will be the right ones). |
| * the right thing to do would be to do a find based on |
| * the nlmLogTable oid. |
| */ |
| DEBUGMSGTL(("9:notification_log", " deleting notification\n")); |
| DEBUGIF("9:notification_log") { |
| DEBUGMSGTL(("9:notification_log", |
| " base oid:")); |
| DEBUGMSGOID(("9:notification_log", deleterow->index_oid, |
| deleterow->index_oid_len)); |
| DEBUGMSG(("9:notification_log", "\n")); |
| } |
| deletevarrow = netsnmp_table_data_set_get_first_row(nlmLogVarTable); |
| for (; deletevarrow; deletevarrow = tmprow) { |
| |
| tmprow = netsnmp_table_data_set_get_next_row(nlmLogVarTable, |
| deletevarrow); |
| |
| DEBUGIF("9:notification_log") { |
| DEBUGMSGTL(("9:notification_log", |
| " :")); |
| DEBUGMSGOID(("9:notification_log", deletevarrow->index_oid, |
| deletevarrow->index_oid_len)); |
| DEBUGMSG(("9:notification_log", "\n")); |
| } |
| if ((deleterow->index_oid_len == deletevarrow->index_oid_len - 1) && |
| snmp_oid_compare(deleterow->index_oid, |
| deleterow->index_oid_len, |
| deletevarrow->index_oid, |
| deleterow->index_oid_len) == 0) { |
| DEBUGMSGTL(("9:notification_log", " deleting varbind\n")); |
| netsnmp_table_dataset_remove_and_delete_row(nlmLogVarTable, |
| deletevarrow); |
| } |
| else |
| break; |
| } |
| |
| /* |
| * delete the master row |
| */ |
| tmprow = netsnmp_table_data_set_get_next_row(nlmLogTable, deleterow); |
| netsnmp_table_dataset_remove_and_delete_row(nlmLogTable, |
| deleterow); |
| num_deleted++; |
| } |
| /** should have deleted all of them */ |
| netsnmp_assert(0 == count); |
| } |
| |
| static void |
| check_log_size(unsigned int clientreg, void *clientarg) |
| { |
| netsnmp_table_row *row; |
| netsnmp_table_data_set_storage *data; |
| u_long count = 0; |
| u_long uptime; |
| |
| uptime = netsnmp_get_agent_uptime(); |
| |
| if (!nlmLogTable || !nlmLogTable->table ) { |
| DEBUGMSGTL(("notification_log", "missing log table\n")); |
| return; |
| } |
| |
| /* |
| * check max allowed count |
| */ |
| count = netsnmp_table_set_num_rows(nlmLogTable); |
| DEBUGMSGTL(("notification_log", |
| "logged notifications %lu; max %lu\n", |
| count, max_logged)); |
| if (count > max_logged) { |
| count = count - max_logged; |
| DEBUGMSGTL(("notification_log", "removing %lu extra notifications\n", |
| count)); |
| netsnmp_notif_log_remove_oldest(count); |
| } |
| |
| /* |
| * check max age |
| */ |
| if (0 == max_age) |
| return; |
| count = 0; |
| for (row = netsnmp_table_data_set_get_first_row(nlmLogTable); |
| row; |
| row = netsnmp_table_data_set_get_next_row(nlmLogTable, row)) { |
| |
| data = (netsnmp_table_data_set_storage *) row->data; |
| data = netsnmp_table_data_set_find_column(data, COLUMN_NLMLOGTIME); |
| |
| if (uptime < ((u_long)(*(data->data.integer) + max_age * 100 * 60))) |
| break; |
| ++count; |
| } |
| |
| if (count) { |
| DEBUGMSGTL(("notification_log", "removing %lu expired notifications\n", |
| count)); |
| netsnmp_notif_log_remove_oldest(count); |
| } |
| } |
| |
| |
| /** Initialize the nlmLogVariableTable table by defining its contents and how it's structured */ |
| static void |
| initialize_table_nlmLogVariableTable(const char * context) |
| { |
| static oid nlmLogVariableTable_oid[] = |
| { 1, 3, 6, 1, 2, 1, 92, 1, 3, 2 }; |
| size_t nlmLogVariableTable_oid_len = |
| OID_LENGTH(nlmLogVariableTable_oid); |
| netsnmp_table_data_set *table_set; |
| netsnmp_handler_registration *reginfo; |
| |
| /* |
| * create the table structure itself |
| */ |
| table_set = netsnmp_create_table_data_set("nlmLogVariableTable"); |
| nlmLogVarTable = table_set; |
| nlmLogVarTable->table->store_indexes = 1; |
| |
| /*************************************************** |
| * Adding indexes |
| */ |
| /* |
| * declaring the nlmLogName index |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding index nlmLogName of type ASN_OCTET_STR to table nlmLogVariableTable\n")); |
| netsnmp_table_dataset_add_index(table_set, ASN_OCTET_STR); |
| /* |
| * declaring the nlmLogIndex index |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding index nlmLogIndex of type ASN_UNSIGNED to table nlmLogVariableTable\n")); |
| netsnmp_table_dataset_add_index(table_set, ASN_UNSIGNED); |
| /* |
| * declaring the nlmLogVariableIndex index |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding index nlmLogVariableIndex of type ASN_UNSIGNED to table nlmLogVariableTable\n")); |
| netsnmp_table_dataset_add_index(table_set, ASN_UNSIGNED); |
| |
| /* |
| * adding column nlmLogVariableID of type ASN_OBJECT_ID and access of |
| * ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableID (#2) of type ASN_OBJECT_ID to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, COLUMN_NLMLOGVARIABLEID, |
| ASN_OBJECT_ID, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableValueType of type ASN_INTEGER and |
| * access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableValueType (#3) of type ASN_INTEGER to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLEVALUETYPE, |
| ASN_INTEGER, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableCounter32Val of type ASN_COUNTER and |
| * access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableCounter32Val (#4) of type ASN_COUNTER to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLECOUNTER32VAL, |
| ASN_COUNTER, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableUnsigned32Val of type ASN_UNSIGNED and |
| * access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableUnsigned32Val (#5) of type ASN_UNSIGNED to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLEUNSIGNED32VAL, |
| ASN_UNSIGNED, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableTimeTicksVal of type ASN_TIMETICKS and |
| * access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableTimeTicksVal (#6) of type ASN_TIMETICKS to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLETIMETICKSVAL, |
| ASN_TIMETICKS, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableInteger32Val of type ASN_INTEGER and |
| * access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableInteger32Val (#7) of type ASN_INTEGER to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLEINTEGER32VAL, |
| ASN_INTEGER, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableOctetStringVal of type ASN_OCTET_STR |
| * and access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableOctetStringVal (#8) of type ASN_OCTET_STR to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLEOCTETSTRINGVAL, |
| ASN_OCTET_STR, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableIpAddressVal of type ASN_IPADDRESS and |
| * access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableIpAddressVal (#9) of type ASN_IPADDRESS to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLEIPADDRESSVAL, |
| ASN_IPADDRESS, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableOidVal of type ASN_OBJECT_ID and access |
| * of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableOidVal (#10) of type ASN_OBJECT_ID to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLEOIDVAL, |
| ASN_OBJECT_ID, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableCounter64Val of type ASN_COUNTER64 and |
| * access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableCounter64Val (#11) of type ASN_COUNTER64 to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLECOUNTER64VAL, |
| ASN_COUNTER64, 0, NULL, 0); |
| /* |
| * adding column nlmLogVariableOpaqueVal of type ASN_OPAQUE and access |
| * of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableOpaqueVal (#12) of type ASN_OPAQUE to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLEOPAQUEVAL, |
| ASN_OPAQUE, 0, NULL, 0); |
| |
| /* |
| * registering the table with the master agent |
| */ |
| /* |
| * note: if you don't need a subhandler to deal with any aspects of |
| * the request, change nlmLogVariableTable_handler to "NULL" |
| */ |
| reginfo = |
| netsnmp_create_handler_registration ("nlmLogVariableTable", |
| NULL, |
| nlmLogVariableTable_oid, |
| nlmLogVariableTable_oid_len, |
| HANDLER_CAN_RWRITE); |
| if (NULL != context) |
| reginfo->contextName = strdup(context); |
| netsnmp_register_table_data_set(reginfo, table_set, NULL); |
| } |
| |
| /** Initialize the nlmLogTable table by defining its contents and how it's structured */ |
| static void |
| initialize_table_nlmLogTable(const char * context) |
| { |
| static oid nlmLogTable_oid[] = { 1, 3, 6, 1, 2, 1, 92, 1, 3, 1 }; |
| size_t nlmLogTable_oid_len = OID_LENGTH(nlmLogTable_oid); |
| netsnmp_handler_registration *reginfo; |
| |
| /* |
| * create the table structure itself |
| */ |
| nlmLogTable = netsnmp_create_table_data_set("nlmLogTable"); |
| |
| /*************************************************** |
| * Adding indexes |
| */ |
| /* |
| * declaring the nlmLogIndex index |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding index nlmLogName of type ASN_OCTET_STR to table nlmLogTable\n")); |
| netsnmp_table_dataset_add_index(nlmLogTable, ASN_OCTET_STR); |
| |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding index nlmLogIndex of type ASN_UNSIGNED to table nlmLogTable\n")); |
| netsnmp_table_dataset_add_index(nlmLogTable, ASN_UNSIGNED); |
| |
| /* |
| * adding column nlmLogTime of type ASN_TIMETICKS and access of |
| * ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding column nlmLogTime (#2) of type ASN_TIMETICKS to table nlmLogTable\n")); |
| netsnmp_table_set_add_default_row(nlmLogTable, COLUMN_NLMLOGTIME, |
| ASN_TIMETICKS, 0, NULL, 0); |
| /* |
| * adding column nlmLogDateAndTime of type ASN_OCTET_STR and access of |
| * ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding column nlmLogDateAndTime (#3) of type ASN_OCTET_STR to table nlmLogTable\n")); |
| netsnmp_table_set_add_default_row(nlmLogTable, |
| COLUMN_NLMLOGDATEANDTIME, |
| ASN_OCTET_STR, 0, NULL, 0); |
| /* |
| * adding column nlmLogEngineID of type ASN_OCTET_STR and access of |
| * ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding column nlmLogEngineID (#4) of type ASN_OCTET_STR to table nlmLogTable\n")); |
| netsnmp_table_set_add_default_row(nlmLogTable, COLUMN_NLMLOGENGINEID, |
| ASN_OCTET_STR, 0, NULL, 0); |
| /* |
| * adding column nlmLogEngineTAddress of type ASN_OCTET_STR and access |
| * of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding column nlmLogEngineTAddress (#5) of type ASN_OCTET_STR to table nlmLogTable\n")); |
| netsnmp_table_set_add_default_row(nlmLogTable, |
| COLUMN_NLMLOGENGINETADDRESS, |
| ASN_OCTET_STR, 0, NULL, 0); |
| /* |
| * adding column nlmLogEngineTDomain of type ASN_OBJECT_ID and access |
| * of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding column nlmLogEngineTDomain (#6) of type ASN_OBJECT_ID to table nlmLogTable\n")); |
| netsnmp_table_set_add_default_row(nlmLogTable, |
| COLUMN_NLMLOGENGINETDOMAIN, |
| ASN_OBJECT_ID, 0, NULL, 0); |
| /* |
| * adding column nlmLogContextEngineID of type ASN_OCTET_STR and |
| * access of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding column nlmLogContextEngineID (#7) of type ASN_OCTET_STR to table nlmLogTable\n")); |
| netsnmp_table_set_add_default_row(nlmLogTable, |
| COLUMN_NLMLOGCONTEXTENGINEID, |
| ASN_OCTET_STR, 0, NULL, 0); |
| /* |
| * adding column nlmLogContextName of type ASN_OCTET_STR and access of |
| * ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding column nlmLogContextName (#8) of type ASN_OCTET_STR to table nlmLogTable\n")); |
| netsnmp_table_set_add_default_row(nlmLogTable, |
| COLUMN_NLMLOGCONTEXTNAME, |
| ASN_OCTET_STR, 0, NULL, 0); |
| /* |
| * adding column nlmLogNotificationID of type ASN_OBJECT_ID and access |
| * of ReadOnly |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogTable", |
| "adding column nlmLogNotificationID (#9) of type ASN_OBJECT_ID to table nlmLogTable\n")); |
| netsnmp_table_set_add_default_row(nlmLogTable, |
| COLUMN_NLMLOGNOTIFICATIONID, |
| ASN_OBJECT_ID, 0, NULL, 0); |
| |
| /* |
| * registering the table with the master agent |
| */ |
| /* |
| * note: if you don't need a subhandler to deal with any aspects of |
| * the request, change nlmLogTable_handler to "NULL" |
| */ |
| reginfo = |
| netsnmp_create_handler_registration("nlmLogTable", NULL, |
| nlmLogTable_oid, |
| nlmLogTable_oid_len, |
| HANDLER_CAN_RWRITE); |
| if (NULL != context) |
| reginfo->contextName = strdup(context); |
| netsnmp_register_table_data_set(reginfo, nlmLogTable, NULL); |
| |
| /* |
| * hmm... 5 minutes seems like a reasonable time to check for out |
| * dated notification logs right? |
| */ |
| snmp_alarm_register(300, SA_REPEAT, check_log_size, NULL); |
| } |
| |
| static int |
| notification_log_config_handler(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| /* |
| *this handler exists only to act as a trigger when the |
| * configuration variables get set to a value and thus |
| * notifications must be possibly deleted from our archives. |
| */ |
| #ifndef NETSNMP_NO_WRITE_SUPPORT |
| if (reqinfo->mode == MODE_SET_COMMIT) |
| check_log_size(0, NULL); |
| #endif /* !NETSNMP_NO_WRITE_SUPPORT */ |
| return SNMP_ERR_NOERROR; |
| } |
| |
| void |
| init_notification_log(void) |
| { |
| static oid my_nlmStatsGlobalNotificationsLogged_oid[] = |
| { 1, 3, 6, 1, 2, 1, 92, 1, 2, 1, 0 }; |
| static oid my_nlmStatsGlobalNotificationsBumped_oid[] = |
| { 1, 3, 6, 1, 2, 1, 92, 1, 2, 2, 0 }; |
| static oid my_nlmConfigGlobalEntryLimit_oid[] = |
| { 1, 3, 6, 1, 2, 1, 92, 1, 1, 1, 0 }; |
| static oid my_nlmConfigGlobalAgeOut_oid[] = |
| { 1, 3, 6, 1, 2, 1, 92, 1, 1, 2, 0 }; |
| char * context; |
| char * apptype; |
| |
| context = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_NOTIF_LOG_CTX); |
| |
| DEBUGMSGTL(("notification_log", "registering with '%s' context\n", |
| SNMP_STRORNULL(context))); |
| |
| /* |
| * static variables |
| */ |
| netsnmp_register_read_only_counter32_instance_context |
| ("nlmStatsGlobalNotificationsLogged", |
| my_nlmStatsGlobalNotificationsLogged_oid, |
| OID_LENGTH(my_nlmStatsGlobalNotificationsLogged_oid), |
| &num_received, NULL, context); |
| |
| netsnmp_register_read_only_counter32_instance_context |
| ("nlmStatsGlobalNotificationsBumped", |
| my_nlmStatsGlobalNotificationsBumped_oid, |
| OID_LENGTH(my_nlmStatsGlobalNotificationsBumped_oid), |
| &num_deleted, NULL, context); |
| |
| netsnmp_register_ulong_instance_context("nlmConfigGlobalEntryLimit", |
| my_nlmConfigGlobalEntryLimit_oid, |
| OID_LENGTH |
| (my_nlmConfigGlobalEntryLimit_oid), |
| &max_logged, |
| notification_log_config_handler, |
| context); |
| |
| netsnmp_register_ulong_instance_context("nlmConfigGlobalAgeOut", |
| my_nlmConfigGlobalAgeOut_oid, |
| OID_LENGTH |
| (my_nlmConfigGlobalAgeOut_oid), |
| &max_age, |
| notification_log_config_handler, |
| context); |
| |
| /* |
| * tables |
| */ |
| initialize_table_nlmLogVariableTable(context); |
| initialize_table_nlmLogTable(context); |
| |
| /* |
| * disable flag |
| */ |
| apptype = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, |
| NETSNMP_DS_LIB_APPTYPE); |
| netsnmp_ds_register_config(ASN_BOOLEAN, apptype, "dontRetainLogs", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_DONT_RETAIN_NOTIFICATIONS); |
| netsnmp_ds_register_config(ASN_BOOLEAN, apptype, "doNotRetainNotificationLogs", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_DONT_RETAIN_NOTIFICATIONS); |
| #if 0 |
| /* xxx-rks: config for max size; should be peristent too, & tied to mib */ |
| netsnmp_ds_register_config(ASN_INTEGER, |
| netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, |
| NETSNMP_DS_LIB_APPTYPE), |
| "notificationLogMax", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_NOTIF_LOG_MAX); |
| #endif |
| |
| REGISTER_SYSOR_ENTRY(nlm_module_oid, |
| "The MIB module for logging SNMP Notifications."); |
| } |
| |
| void |
| shutdown_notification_log(void) |
| { |
| max_logged = 0; |
| check_log_size(0, NULL); |
| netsnmp_delete_table_data_set(nlmLogTable); |
| nlmLogTable = NULL; |
| |
| UNREGISTER_SYSOR_ENTRY(nlm_module_oid); |
| } |
| |
| void |
| log_notification(netsnmp_pdu *pdu, netsnmp_transport *transport) |
| { |
| long tmpl; |
| netsnmp_table_row *row; |
| |
| static u_long default_num = 0; |
| |
| static oid snmptrapoid[] = { 1, 3, 6, 1, 6, 3, 1, 1, 4, 1, 0 }; |
| size_t snmptrapoid_len = OID_LENGTH(snmptrapoid); |
| netsnmp_variable_list *vptr; |
| u_char *logdate; |
| size_t logdate_size; |
| time_t timetnow; |
| |
| u_long vbcount = 0; |
| u_long tmpul; |
| int col; |
| netsnmp_pdu *orig_pdu = pdu; |
| |
| if (!nlmLogVarTable |
| || netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_APP_DONT_LOG)) { |
| return; |
| } |
| |
| DEBUGMSGTL(("notification_log", "logging something\n")); |
| row = netsnmp_create_table_data_row(); |
| |
| ++num_received; |
| default_num++; |
| |
| /* |
| * indexes to the table |
| */ |
| netsnmp_table_row_add_index(row, ASN_OCTET_STR, "default", |
| strlen("default")); |
| netsnmp_table_row_add_index(row, ASN_UNSIGNED, &default_num, |
| sizeof(default_num)); |
| |
| /* |
| * add the data |
| */ |
| tmpl = netsnmp_get_agent_uptime(); |
| netsnmp_set_row_column(row, COLUMN_NLMLOGTIME, ASN_TIMETICKS, |
| &tmpl, sizeof(tmpl)); |
| time(&timetnow); |
| logdate = date_n_time(&timetnow, &logdate_size); |
| netsnmp_set_row_column(row, COLUMN_NLMLOGDATEANDTIME, ASN_OCTET_STR, |
| logdate, logdate_size); |
| netsnmp_set_row_column(row, COLUMN_NLMLOGENGINEID, ASN_OCTET_STR, |
| pdu->securityEngineID, |
| pdu->securityEngineIDLen); |
| if (transport && transport->domain == netsnmpUDPDomain) { |
| /* |
| * check for the udp domain |
| */ |
| struct sockaddr_in *addr = |
| (struct sockaddr_in *) pdu->transport_data; |
| if (addr) { |
| char buf[sizeof(in_addr_t) + |
| sizeof(addr->sin_port)]; |
| in_addr_t locaddr = htonl(addr->sin_addr.s_addr); |
| u_short portnum = htons(addr->sin_port); |
| memcpy(buf, &locaddr, sizeof(in_addr_t)); |
| memcpy(buf + sizeof(in_addr_t), &portnum, |
| sizeof(addr->sin_port)); |
| netsnmp_set_row_column(row, COLUMN_NLMLOGENGINETADDRESS, |
| ASN_OCTET_STR, buf, |
| sizeof(in_addr_t) + |
| sizeof(addr->sin_port)); |
| } |
| } |
| if (transport) |
| netsnmp_set_row_column(row, COLUMN_NLMLOGENGINETDOMAIN, |
| ASN_OBJECT_ID, |
| transport->domain, |
| sizeof(oid) * transport->domain_length); |
| netsnmp_set_row_column(row, COLUMN_NLMLOGCONTEXTENGINEID, |
| ASN_OCTET_STR, pdu->contextEngineID, |
| pdu->contextEngineIDLen); |
| netsnmp_set_row_column(row, COLUMN_NLMLOGCONTEXTNAME, ASN_OCTET_STR, |
| pdu->contextName, pdu->contextNameLen); |
| |
| if (pdu->command == SNMP_MSG_TRAP) |
| pdu = convert_v1pdu_to_v2(orig_pdu); |
| for (vptr = pdu->variables; vptr; vptr = vptr->next_variable) { |
| if (snmp_oid_compare(snmptrapoid, snmptrapoid_len, |
| vptr->name, vptr->name_length) == 0) { |
| netsnmp_set_row_column(row, COLUMN_NLMLOGNOTIFICATIONID, |
| ASN_OBJECT_ID, vptr->val.string, |
| vptr->val_len); |
| } else { |
| netsnmp_table_row *myrow; |
| myrow = netsnmp_create_table_data_row(); |
| |
| /* |
| * indexes to the table |
| */ |
| netsnmp_table_row_add_index(myrow, ASN_OCTET_STR, "default", |
| strlen("default")); |
| netsnmp_table_row_add_index(myrow, ASN_UNSIGNED, &default_num, |
| sizeof(default_num)); |
| vbcount++; |
| netsnmp_table_row_add_index(myrow, ASN_UNSIGNED, &vbcount, |
| sizeof(vbcount)); |
| |
| /* |
| * OID |
| */ |
| netsnmp_set_row_column(myrow, COLUMN_NLMLOGVARIABLEID, |
| ASN_OBJECT_ID, vptr->name, |
| vptr->name_length * sizeof(oid)); |
| |
| /* |
| * value |
| */ |
| switch (vptr->type) { |
| case ASN_OBJECT_ID: |
| tmpul = 7; |
| col = COLUMN_NLMLOGVARIABLEOIDVAL; |
| break; |
| |
| case ASN_INTEGER: |
| tmpul = 4; |
| col = COLUMN_NLMLOGVARIABLEINTEGER32VAL; |
| break; |
| |
| case ASN_UNSIGNED: |
| tmpul = 2; |
| col = COLUMN_NLMLOGVARIABLEUNSIGNED32VAL; |
| break; |
| |
| case ASN_COUNTER: |
| tmpul = 1; |
| col = COLUMN_NLMLOGVARIABLECOUNTER32VAL; |
| break; |
| |
| case ASN_TIMETICKS: |
| tmpul = 3; |
| col = COLUMN_NLMLOGVARIABLETIMETICKSVAL; |
| break; |
| |
| case ASN_OCTET_STR: |
| tmpul = 6; |
| col = COLUMN_NLMLOGVARIABLEOCTETSTRINGVAL; |
| break; |
| |
| case ASN_IPADDRESS: |
| tmpul = 5; |
| col = COLUMN_NLMLOGVARIABLEIPADDRESSVAL; |
| break; |
| |
| case ASN_COUNTER64: |
| tmpul = 8; |
| col = COLUMN_NLMLOGVARIABLECOUNTER64VAL; |
| break; |
| |
| case ASN_OPAQUE: |
| tmpul = 9; |
| col = COLUMN_NLMLOGVARIABLEOPAQUEVAL; |
| break; |
| |
| default: |
| /* |
| * unsupported |
| */ |
| DEBUGMSGTL(("notification_log", |
| "skipping type %d\n", vptr->type)); |
| (void)netsnmp_table_dataset_delete_row(myrow); |
| continue; |
| } |
| netsnmp_set_row_column(myrow, COLUMN_NLMLOGVARIABLEVALUETYPE, |
| ASN_INTEGER, & tmpul, |
| sizeof(tmpul)); |
| netsnmp_set_row_column(myrow, col, vptr->type, |
| vptr->val.string, vptr->val_len); |
| DEBUGMSGTL(("notification_log", |
| "adding a row to the variables table\n")); |
| netsnmp_table_dataset_add_row(nlmLogVarTable, myrow); |
| } |
| } |
| |
| if (pdu != orig_pdu) |
| snmp_free_pdu( pdu ); |
| |
| /* |
| * store the row |
| */ |
| netsnmp_table_dataset_add_row(nlmLogTable, row); |
| |
| check_log_size(0, NULL); |
| DEBUGMSGTL(("notification_log", "done logging something\n")); |
| } |
