/*
* 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-features.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"
static int
handle_ipForwarding(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests);
static int
handle_ipDefaultTTL(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests);
static int
handle_ipv6IpForwarding(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests);
static int
handle_ipv6IpDefaultHopLimit(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests);
static int ipAddressSpinLockValue;
static 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 };
static oid ipv6IpForwarding_oid[] = { 1, 3, 6, 1, 2, 1, 4, 25 };
static oid ipv6IpDefaultHopLimit_oid[] = { 1, 3, 6, 1, 2, 1, 4, 26 };
static oid ipAddressSpinLock_oid[] = { 1, 3, 6, 1, 2, 1, 4, 33 };
DEBUGMSGTL(("ip_scalar", "Initializing\n"));
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
("ipDefaultTTL", handle_ipDefaultTTL,
ipDefaultTTL_oid,
OID_LENGTH(ipDefaultTTL_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
("ipv6IpDefaultHopLimit", handle_ipv6IpDefaultHopLimit,
ipv6IpDefaultHopLimit_oid,
OID_LENGTH(ipv6IpDefaultHopLimit_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 = netsnmp_random();
}
static 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;
#ifndef NETSNMP_NO_WRITE_SUPPORT
/*
* 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;
#endif /* !NETSNMP_NO_WRITE_SUPPORT */
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;
}
static int
handle_ipDefaultTTL(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_ipDefaultTTL_get(&value);
if (rc != 0) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_NOSUCHINSTANCE);
}
else {
snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER,
(u_char *)&value, sizeof(value));
}
break;
#ifndef NETSNMP_NO_WRITE_SUPPORT
/*
* 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_ipDefaultTTL_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
("ipttl", 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_ipDefaultTTL_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,
"ipttl"));
rc = netsnmp_arch_ip_scalars_ipDefaultTTL_set(value);
if ( 0 != rc ) {
netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_UNDOFAILED);
}
break;
#endif /* !NETSNMP_NO_WRITE_SUPPORT */
default:
/* we should never get here, so this is a really bad error */
snmp_log(LOG_ERR, "unknown mode (%d) in handle_ipDefaultTTL\n", reqinfo->mode );
return SNMP_ERR_GENERR;
}
return SNMP_ERR_NOERROR;
}
static 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;
#ifndef NETSNMP_NO_WRITE_SUPPORT
/*
* 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
("ip6fw", 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,
"ip6fw"));
rc = netsnmp_arch_ip_scalars_ipv6IpForwarding_set(value);
if ( 0 != rc ) {
netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_UNDOFAILED);
}
break;
#endif /* !NETSNMP_NO_WRITE_SUPPORT */
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;
}
static int
handle_ipAddressSpinLock(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
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;
#ifndef NETSNMP_NO_WRITE_SUPPORT
/*
* 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;
#endif /* !NETSNMP_NO_WRITE_SUPPORT */
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;
}
static int
handle_ipv6IpDefaultHopLimit(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
u_long value;
int rc;
/*
* 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_ipv6IpDefaultHopLimit_get(&value);
if (rc != 0) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_NOSUCHINSTANCE);
}
else {
snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER,
(u_char *)&value, sizeof(value));
}
break;
#ifdef NOTYET
/*
* 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:
/*
* or you could use netsnmp_check_vb_type_and_size instead
*/
rc = netsnmp_check_vb_type(requests->requestvb, ASN_INTEGER);
if (rc != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, requests, rc);
}
break;
case MODE_SET_RESERVE2:
/*
* XXX malloc "undo" storage buffer
*/
if ( /* XXX if malloc, or whatever, failed: */ ) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_RESOURCEUNAVAILABLE);
}
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
*/
if ( /* XXX: error? */ ) {
netsnmp_set_request_error(reqinfo, requests, /* some error */
);
}
break;
case MODE_SET_COMMIT:
/*
* XXX: delete temporary storage
*/
if ( /* XXX: error? */ ) {
/*
* try _really_really_ hard to never get to this point
*/
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_COMMITFAILED);
}
break;
case MODE_SET_UNDO:
/*
* XXX: UNDO and return to previous value for the object
*/
if ( /* XXX: error? */ ) {
/*
* try _really_really_ hard to never get to this point
*/
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
break;
#endif
default:
/*
* we should never get here, so this is a really bad error
*/
snmp_log(LOG_ERR,
"unknown mode (%d) in handle_ipv6IpDefaultHopLimit\n",
reqinfo->mode);
return SNMP_ERR_GENERR;
}
return SNMP_ERR_NOERROR;
}