| /* |
| * Note: this file originally auto-generated by mib2c using |
| * : mib2c.scalar.conf,v 1.8 2004/10/14 12:57:34 dts12 Exp $ |
| */ |
| |
| #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/data_access/ip_scalars.h> |
| |
| #include "ip_scalars.h" |
| |
| int |
| handle_ipForwarding(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests); |
| |
| int |
| handle_ipDefaultTTL(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests); |
| |
| int |
| handle_ipv6IpForwarding(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests); |
| |
| int ipAddressSpinLockValue; |
| |
| int |
| handle_ipAddressSpinLock(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests); |
| |
| /** Initializes the ip module */ |
| void |
| init_ip_scalars(void) |
| { |
| static oid ipForwarding_oid[] = { 1, 3, 6, 1, 2, 1, 4, 1 }; |
| static oid ipDefaultTTL_oid[] = { 1, 3, 6, 1, 2, 1, 4, 2, 0 }; |
| static oid ipReasmTimeout_oid[] = { 1, 3, 6, 1, 2, 1, 4, 13, 0 }; |
| static oid ipv6IpForwarding_oid[] = { 1, 3, 6, 1, 2, 1, 4, 25 }; |
| static oid ipv6IpDefaultHopLimit_oid[] = |
| { 1, 3, 6, 1, 2, 1, 4, 26, 0 }; |
| static oid ipAddressSpinLock_oid[] = { 1, 3, 6, 1, 2, 1, 4, 33 }; |
| |
| DEBUGMSGTL(("ip_scalar", "Initializing\n")); |
| |
| netsnmp_register_num_file_instance |
| ("ipReasmTimeout", |
| ipReasmTimeout_oid, OID_LENGTH(ipReasmTimeout_oid), |
| "/proc/sys/net/ipv4/ipfrag_time", ASN_INTEGER, |
| HANDLER_CAN_RONLY, NULL, NULL); |
| |
| netsnmp_register_scalar(netsnmp_create_handler_registration |
| ("ipForwarding", handle_ipForwarding, |
| ipForwarding_oid, |
| OID_LENGTH(ipForwarding_oid), |
| HANDLER_CAN_RWRITE)); |
| |
| netsnmp_register_scalar(netsnmp_create_handler_registration |
| ("ipv6IpForwarding", handle_ipv6IpForwarding, |
| ipv6IpForwarding_oid, |
| OID_LENGTH(ipv6IpForwarding_oid), |
| HANDLER_CAN_RWRITE)); |
| |
| netsnmp_register_scalar(netsnmp_create_handler_registration |
| ("ipAddressSpinLock", handle_ipAddressSpinLock, |
| ipAddressSpinLock_oid, |
| OID_LENGTH(ipAddressSpinLock_oid), |
| HANDLER_CAN_RWRITE)); |
| |
| /* Initialize spin lock with random value */ |
| ipAddressSpinLockValue = (int) random(); |
| |
| netsnmp_register_num_file_instance |
| ("ipv6IpDefaultHopLimit", |
| ipv6IpDefaultHopLimit_oid, OID_LENGTH(ipv6IpDefaultHopLimit_oid), |
| "/proc/sys/net/ipv6/conf/default/hop_limit", ASN_INTEGER, |
| HANDLER_CAN_RWRITE, NULL, NULL); |
| |
| netsnmp_register_num_file_instance |
| ("ipDefaultTTL", |
| ipDefaultTTL_oid, OID_LENGTH(ipDefaultTTL_oid), |
| "/proc/sys/net/ipv4/ip_default_ttl", ASN_INTEGER, |
| HANDLER_CAN_RWRITE, NULL, NULL); |
| |
| } |
| |
| int |
| handle_ipForwarding(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| int rc; |
| u_long value; |
| |
| /* We are never called for a GETNEXT if it's registered as a |
| "instance", as it's "magically" handled for us. */ |
| |
| /* a instance handler also only hands us one request at a time, so |
| we don't need to loop over a list of requests; we'll only get one. */ |
| |
| switch(reqinfo->mode) { |
| |
| case MODE_GET: |
| rc = netsnmp_arch_ip_scalars_ipForwarding_get(&value); |
| if (rc != 0) { |
| netsnmp_set_request_error(reqinfo, requests, |
| SNMP_NOSUCHINSTANCE); |
| } |
| else { |
| value = value ? 1 : 2; |
| snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER, |
| (u_char *)&value, sizeof(value)); |
| } |
| break; |
| |
| /* |
| * SET REQUEST |
| * |
| * multiple states in the transaction. See: |
| * http://www.net-snmp.org/tutorial-5/toolkit/mib_module/set-actions.jpg |
| */ |
| case MODE_SET_RESERVE1: |
| break; |
| |
| case MODE_SET_RESERVE2: |
| /* |
| * store old info for undo later |
| */ |
| rc = netsnmp_arch_ip_scalars_ipForwarding_get(&value); |
| if (rc < 0) { |
| netsnmp_set_request_error(reqinfo, requests, |
| SNMP_ERR_NOCREATION); |
| } else { |
| u_long *value_save; |
| value_save = netsnmp_memdup(&value, sizeof(value)); |
| if ( NULL == value_save ) |
| netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_RESOURCEUNAVAILABLE); |
| else |
| netsnmp_request_add_list_data(requests, |
| netsnmp_create_data_list |
| ("ipfw", value_save, |
| free)); |
| } |
| break; |
| |
| case MODE_SET_FREE: |
| /* XXX: free resources allocated in RESERVE1 and/or |
| RESERVE2. Something failed somewhere, and the states |
| below won't be called. */ |
| break; |
| |
| case MODE_SET_ACTION: |
| /* XXX: perform the value change here */ |
| value = *(requests->requestvb->val.integer); |
| rc = netsnmp_arch_ip_scalars_ipForwarding_set(value); |
| if ( 0 != rc ) { |
| netsnmp_set_request_error(reqinfo, requests, rc); |
| } |
| break; |
| |
| case MODE_SET_COMMIT: |
| break; |
| |
| case MODE_SET_UNDO: |
| value = |
| *((u_long *) netsnmp_request_get_list_data(requests, |
| "ipfw")); |
| rc = netsnmp_arch_ip_scalars_ipForwarding_set(value); |
| if ( 0 != rc ) { |
| netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_UNDOFAILED); |
| } |
| break; |
| |
| default: |
| /* we should never get here, so this is a really bad error */ |
| snmp_log(LOG_ERR, "unknown mode (%d) in handle_ipForwarding\n", reqinfo->mode ); |
| return SNMP_ERR_GENERR; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
| |
| int |
| handle_ipv6IpForwarding(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| int rc; |
| u_long value; |
| |
| /* |
| * We are never called for a GETNEXT if it's registered as a |
| * "instance", as it's "magically" handled for us. |
| */ |
| |
| /* |
| * a instance handler also only hands us one request at a time, so |
| * we don't need to loop over a list of requests; we'll only get one. |
| */ |
| switch (reqinfo->mode) { |
| |
| case MODE_GET: |
| rc = netsnmp_arch_ip_scalars_ipv6IpForwarding_get(&value); |
| if (rc != 0) { |
| netsnmp_set_request_error(reqinfo, requests, |
| SNMP_NOSUCHINSTANCE); |
| } |
| else { |
| value = value ? 1 : 2; |
| snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER, |
| (u_char *)&value, sizeof(value)); |
| } |
| break; |
| |
| /* |
| * SET REQUEST |
| * |
| * multiple states in the transaction. See: |
| * http://www.net-snmp.org/tutorial-5/toolkit/mib_module/set-actions.jpg |
| */ |
| case MODE_SET_RESERVE1: |
| break; |
| |
| case MODE_SET_RESERVE2: |
| /* |
| * store old info for undo later |
| */ |
| rc = netsnmp_arch_ip_scalars_ipv6IpForwarding_get(&value); |
| if (rc < 0) { |
| netsnmp_set_request_error(reqinfo, requests, |
| SNMP_ERR_NOCREATION); |
| } |
| else { |
| u_long *value_save; |
| |
| value_save = netsnmp_memdup(&value, sizeof(value)); |
| if ( NULL == value_save ) { |
| netsnmp_set_request_error(reqinfo, requests, |
| SNMP_ERR_RESOURCEUNAVAILABLE); |
| } |
| else { |
| netsnmp_request_add_list_data(requests, |
| netsnmp_create_data_list |
| ("ipfw", value_save, |
| free)); |
| } |
| } |
| break; |
| |
| case MODE_SET_FREE: |
| break; |
| |
| case MODE_SET_ACTION: |
| value = *(requests->requestvb->val.integer); |
| rc = netsnmp_arch_ip_scalars_ipv6IpForwarding_set(value); |
| if ( 0 != rc ) { |
| netsnmp_set_request_error(reqinfo, requests, rc ); |
| } |
| break; |
| |
| case MODE_SET_COMMIT: |
| break; |
| |
| case MODE_SET_UNDO: |
| value = |
| *((u_long *) netsnmp_request_get_list_data(requests, |
| "ipfw")); |
| rc = netsnmp_arch_ip_scalars_ipv6IpForwarding_set(value); |
| if ( 0 != rc ) { |
| netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_UNDOFAILED); |
| } |
| break; |
| |
| default: |
| /* |
| * we should never get here, so this is a really bad error |
| */ |
| snmp_log(LOG_ERR, "unknown mode (%d) in handle_ipv6IpForwarding\n", |
| reqinfo->mode); |
| return SNMP_ERR_GENERR; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
| int |
| handle_ipAddressSpinLock(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| u_long value; |
| |
| /* We are never called for a GETNEXT if it's registered as a |
| "instance", as it's "magically" handled for us. */ |
| |
| /* a instance handler also only hands us one request at a time, so |
| we don't need to loop over a list of requests; we'll only get one. */ |
| |
| switch(reqinfo->mode) { |
| |
| case MODE_GET: |
| snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER, |
| (u_char *)&ipAddressSpinLockValue, |
| sizeof(ipAddressSpinLockValue)); |
| break; |
| |
| /* |
| * SET REQUEST |
| * |
| * multiple states in the transaction. See: |
| * http://www.net-snmp.org/tutorial-5/toolkit/mib_module/set-actions.jpg |
| */ |
| case MODE_SET_RESERVE1: |
| case MODE_SET_RESERVE2: |
| /* just check the value */ |
| value = *(requests->requestvb->val.integer); |
| if (value != ipAddressSpinLockValue) |
| netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_INCONSISTENTVALUE); |
| break; |
| |
| case MODE_SET_FREE: |
| break; |
| |
| case MODE_SET_ACTION: |
| /* perform the final spinlock check and increase its value */ |
| value = *(requests->requestvb->val.integer); |
| if (value != ipAddressSpinLockValue) { |
| netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_INCONSISTENTVALUE); |
| } else { |
| ipAddressSpinLockValue++; |
| /* and check it for overflow */ |
| if (ipAddressSpinLockValue > 2147483647 || ipAddressSpinLockValue < 0) |
| ipAddressSpinLockValue = 0; |
| } |
| break; |
| |
| case MODE_SET_COMMIT: |
| break; |
| |
| case MODE_SET_UNDO: |
| break; |
| |
| default: |
| /* we should never get here, so this is a really bad error */ |
| snmp_log(LOG_ERR, "unknown mode (%d) in handle_ipAddressSpinLock\n", reqinfo->mode ); |
| return SNMP_ERR_GENERR; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
