| #include <net-snmp/net-snmp-config.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/instance.h> |
| #include <net-snmp/agent/table.h> |
| #include <net-snmp/agent/table_data.h> |
| #include <net-snmp/agent/table_dataset.h> |
| #include "snmptrapd_handlers.h" |
| #include "snmptrapd_log.h" |
| #include "notification_log.h" |
| |
| extern u_long num_received; |
| u_long num_deleted = 0; |
| |
| u_long max_logged = 1000; /* goes against the mib default of infinite */ |
| u_long max_age = 1440; /* 24 hours, which is the mib default */ |
| |
| netsnmp_table_data_set *nlmLogTable; |
| netsnmp_table_data_set *nlmLogVarTable; |
| |
| void |
| check_log_size(unsigned int clientreg, void *clientarg) |
| { |
| netsnmp_table_row *row, *deleterow, *tmprow, *deletevarrow; |
| netsnmp_table_data_set_storage *data; |
| u_long count = 0; |
| struct timeval now; |
| long tmpl; |
| |
| gettimeofday(&now, NULL); |
| tmpl = netsnmp_timeval_uptime(&now); |
| |
| for (row = nlmLogTable->table->first_row; row; row = row->next) { |
| /* |
| * check max allowed count |
| */ |
| count++; |
| if (max_logged && count == max_logged) |
| break; |
| |
| /* |
| * check max age |
| */ |
| |
| data = (netsnmp_table_data_set_storage *) row->data; |
| data = netsnmp_table_data_set_find_column(data, COLUMN_NLMLOGTIME); |
| |
| if (max_age && tmpl > (long)(*(data->data.integer) + max_age * 100 * 60)) |
| break; |
| } |
| |
| if (!row) |
| return; |
| |
| /* |
| * we've reached the limit, so keep looping but start deleting |
| * from the beginning |
| */ |
| for (deleterow = nlmLogTable->table->first_row, row = row->next; row; |
| row = row->next) { |
| DEBUGMSGTL(("notification_log", "deleting a log entry\n")); |
| |
| /* |
| * delete contained varbinds |
| */ |
| for (deletevarrow = nlmLogVarTable->table->first_row; |
| deletevarrow; deletevarrow = tmprow) { |
| |
| tmprow = deletevarrow->next; |
| |
| 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) { |
| netsnmp_table_dataset_remove_and_delete_row(nlmLogVarTable, |
| deletevarrow); |
| } |
| } |
| |
| /* |
| * delete the master row |
| */ |
| tmprow = deleterow->next; |
| netsnmp_table_dataset_remove_and_delete_row(nlmLogTable, |
| deleterow); |
| deleterow = tmprow; |
| num_deleted++; |
| /* |
| * XXX: delete vars from it's table |
| */ |
| } |
| } |
| |
| |
| /** Initialize the nlmLogVariableTable table by defining it's contents and how it's structured */ |
| void |
| initialize_table_nlmLogVariableTable(void) |
| { |
| 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; |
| |
| /* |
| * 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 nlmLogVariableIndex of type ASN_UNSIGNED and access |
| * of NoAccess |
| */ |
| DEBUGMSGTL(("initialize_table_nlmLogVariableTable", |
| "adding column nlmLogVariableIndex (#1) of type ASN_UNSIGNED to table nlmLogVariableTable\n")); |
| netsnmp_table_set_add_default_row(table_set, |
| COLUMN_NLMLOGVARIABLEINDEX, |
| ASN_UNSIGNED, 0, NULL, 0); |
| /* |
| * 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" |
| */ |
| netsnmp_register_table_data_set(netsnmp_create_handler_registration |
| ("nlmLogVariableTable", |
| nlmLogVariableTable_handler, |
| nlmLogVariableTable_oid, |
| nlmLogVariableTable_oid_len, |
| HANDLER_CAN_RWRITE), table_set, NULL); |
| } |
| |
| /** Initialize the nlmLogTable table by defining it's contents and how it's structured */ |
| void |
| initialize_table_nlmLogTable(void) |
| { |
| static oid nlmLogTable_oid[] = { 1, 3, 6, 1, 2, 1, 92, 1, 3, 1 }; |
| size_t nlmLogTable_oid_len = OID_LENGTH(nlmLogTable_oid); |
| |
| /* |
| * 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" |
| */ |
| netsnmp_register_table_data_set(netsnmp_create_handler_registration |
| ("nlmLogTable", nlmLogTable_handler, |
| nlmLogTable_oid, nlmLogTable_oid_len, |
| HANDLER_CAN_RWRITE), 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); |
| } |
| |
| 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. |
| */ |
| if (reqinfo->mode == MODE_SET_COMMIT) |
| check_log_size(0, NULL); |
| 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 }; |
| |
| /* |
| * static variables |
| */ |
| #ifdef USING_AGENTX_SUBAGENT_MODULE |
| netsnmp_register_read_only_counter32_instance |
| ("nlmStatsGlobalNotificationsLogged", |
| my_nlmStatsGlobalNotificationsLogged_oid, |
| OID_LENGTH(my_nlmStatsGlobalNotificationsLogged_oid), |
| &num_received, NULL); |
| |
| netsnmp_register_read_only_counter32_instance |
| ("nlmStatsGlobalNotificationsBumped", |
| my_nlmStatsGlobalNotificationsBumped_oid, |
| OID_LENGTH(my_nlmStatsGlobalNotificationsBumped_oid), |
| &num_deleted, NULL); |
| |
| netsnmp_register_ulong_instance("nlmConfigGlobalEntryLimit", |
| my_nlmConfigGlobalEntryLimit_oid, |
| OID_LENGTH |
| (my_nlmConfigGlobalEntryLimit_oid), |
| &max_logged, |
| notification_log_config_handler); |
| |
| netsnmp_register_ulong_instance("nlmConfigGlobalAgeOut", |
| my_nlmConfigGlobalAgeOut_oid, |
| OID_LENGTH |
| (my_nlmConfigGlobalAgeOut_oid), |
| &max_age, |
| notification_log_config_handler); |
| |
| /* |
| * tables |
| */ |
| initialize_table_nlmLogTable(); |
| initialize_table_nlmLogVariableTable(); |
| |
| /* |
| * disable flag |
| */ |
| netsnmp_ds_register_config(ASN_BOOLEAN, "snmptrapd", "dontRetainLogs", |
| NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_APP_DONT_LOG); |
| #endif /* USING_AGENTX_SUBAGENT_MODULE */ |
| } |
| |
| u_long default_num = 0; |
| |
| void |
| log_notification(struct hostent *host, netsnmp_pdu *pdu, |
| netsnmp_transport *transport) |
| { |
| long tmpl; |
| struct timeval now; |
| netsnmp_table_row *row; |
| |
| 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; |
| |
| if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_APP_DONT_LOG)) { |
| return; |
| } |
| |
| DEBUGMSGTL(("log_notification", "logging something\n")); |
| row = netsnmp_create_table_data_row(); |
| |
| 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 |
| */ |
| gettimeofday(&now, NULL); |
| tmpl = netsnmp_timeval_uptime(&now); |
| netsnmp_set_row_column(row, COLUMN_NLMLOGTIME, ASN_TIMETICKS, |
| (u_char *) & 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) { |
| /* |
| * lame way to check for the udp domain |
| */ |
| /* |
| * no, it is the correct way to do it -- jbpn |
| */ |
| 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)); |
| } |
| } |
| netsnmp_set_row_column(row, COLUMN_NLMLOGENGINETDOMAIN, ASN_OBJECT_ID, |
| (const u_char *) 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); |
| 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, (u_char *) 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; |
| |
| default: |
| /* |
| * unsupported |
| */ |
| DEBUGMSGTL(("log_notification", |
| "skipping type %d\n", vptr->type)); |
| continue; |
| } |
| netsnmp_set_row_column(myrow, COLUMN_NLMLOGVARIABLEVALUETYPE, |
| ASN_INTEGER, (u_char *) & tmpul, |
| sizeof(tmpul)); |
| netsnmp_set_row_column(myrow, col, vptr->type, |
| vptr->val.string, vptr->val_len); |
| DEBUGMSGTL(("log_notification", |
| "adding a row to the variables table\n")); |
| netsnmp_table_dataset_add_row(nlmLogVarTable, myrow); |
| } |
| } |
| |
| /* |
| * store the row |
| */ |
| netsnmp_table_dataset_add_row(nlmLogTable, row); |
| |
| check_log_size(0, NULL); |
| DEBUGMSGTL(("log_notification", "done logging something\n")); |
| } |
| |
| /** handles requests for the nlmLogTable table, if anything else needs to be done */ |
| int |
| nlmLogTable_handler(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| /* |
| * perform anything here that you need to do. The requests have |
| * already been processed by the master table_dataset handler, but |
| * this gives you chance to act on the request in some other way if |
| * need be. |
| */ |
| return SNMP_ERR_NOERROR; |
| } |
| |
| /** handles requests for the nlmLogVariableTable table, if anything else needs to be done */ |
| int |
| nlmLogVariableTable_handler(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| /* |
| * perform anything here that you need to do. The requests have |
| * already been processed by the master table_dataset handler, but |
| * this gives you chance to act on the request in some other way if |
| * need be. |
| */ |
| return SNMP_ERR_NOERROR; |
| } |
| |
| |
| |
| /* |
| * "Notification" handler for implementing NOTIFICATION-MIB |
| * (presumably) |
| */ |
| int notification_handler(netsnmp_pdu *pdu, |
| netsnmp_transport *transport, |
| netsnmp_trapd_handler *handler) |
| { |
| struct hostent *host = NULL; |
| |
| DEBUGMSGTL(( "snmptrapd", "notification_handler\n")); |
| |
| if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_APP_NUMERIC_IP)) { |
| /* |
| * Right, apparently a name lookup is wanted. This is only |
| * reasonable for the UDP and TCP transport domains (we |
| * don't want to try to be too clever here). |
| */ |
| if (transport != NULL |
| && (transport->domain == netsnmpUDPDomain |
| #ifdef SNMP_TRANSPORT_TCP_DOMAIN |
| || transport->domain == netsnmp_snmpTCPDomain |
| #endif |
| )) { |
| /* |
| * This is kind of bletcherous -- it breaks the opacity of |
| * transport_data but never mind -- the alternative is a |
| * lot of munging strings from f_fmtaddr. |
| */ |
| struct sockaddr_in *addr = |
| (struct sockaddr_in *) pdu->transport_data; |
| if (addr != NULL && |
| pdu->transport_data_length == sizeof(struct sockaddr_in)) { |
| host = gethostbyaddr((char *) &(addr->sin_addr), |
| sizeof(struct in_addr), AF_INET); |
| } |
| } |
| } |
| log_notification(host, pdu, transport); |
| return NETSNMPTRAPD_HANDLER_OK; |
| } |
