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/*
* udp_endpointTable MIB architecture support for OpenBSD
*/
#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/ipaddress.h>
#include <net-snmp/data_access/udp_endpoint.h>
#include <net-snmp/agent/auto_nlist.h>
#include "udp-mib/udpEndpointTable/udpEndpointTable_constants.h"
#include "udp-mib/data_access/udp_endpoint_private.h"
#include "mibII/mibII_common.h"
#if HAVE_NETINET_UDP_H
#include <netinet/udp.h>
#endif
#if HAVE_NETINET_UDP_VAR_H
#include <netinet/udp_var.h>
#endif
static int _load(netsnmp_container *container, u_int flags);
/*
* initialize arch specific storage
*
* @retval 0: success
* @retval <0: error
*/
int
netsnmp_arch_udp_endpoint_entry_init(netsnmp_udp_endpoint_entry *entry)
{
/*
* init
*/
return 0;
}
/*
* cleanup arch specific storage
*/
void
netsnmp_arch_udp_endpoint_entry_cleanup(netsnmp_udp_endpoint_entry *entry)
{
/*
* cleanup
*/
}
/*
* copy arch specific storage
*/
int
netsnmp_arch_udp_endpoint_entry_copy(netsnmp_udp_endpoint_entry *lhs,
netsnmp_udp_endpoint_entry *rhs)
{
return 0;
}
/*
* delete an entry
*/
int
netsnmp_arch_udp_endpoint_entry_delete(netsnmp_udp_endpoint_entry *entry)
{
if (NULL == entry)
return -1;
/** xxx-rks:9 udp_endpoint delete not implemented */
return -1;
}
/**
*
* @retval 0 no errors
* @retval !0 errors
*/
int
netsnmp_arch_udp_endpoint_container_load(netsnmp_container *container,
u_int load_flags )
{
int rc = 0;
DEBUGMSGTL(("access:udp_endpoint:container",
"udp_endpoint_container_arch_load (flags %x)\n", load_flags));
if (NULL == container) {
snmp_log(LOG_ERR, "no container specified/found for access_udp_endpoint\n");
return -1;
}
rc = _load(container, load_flags);
return rc;
}
/**
*
* @retval 0 no errors
* @retval !0 errors
*/
static int
_load(netsnmp_container *container, u_int load_flags)
{
struct inpcbtable table;
struct inpcb *head, *next, *prev;
struct inpcb inpcb;
netsnmp_udp_endpoint_entry *entry;
int rc = 0;
/*
* Read in the buffer containing the TCP table data
*/
if (!auto_nlist(UDB_SYMBOL, (char *) &table, sizeof(table))) {
DEBUGMSGTL(("udp-mib/udp_endpoint_openbsd", "Failed to read udp_symbol\n"));
return -1;
}
prev = (struct inpcb *)&CIRCLEQ_FIRST(&table.inpt_queue);
prev = NULL;
head = next = CIRCLEQ_FIRST(&table.inpt_queue);
while (next) {
NETSNMP_KLOOKUP(next, (char *)&inpcb, sizeof(inpcb));
if (prev && CIRCLEQ_PREV(&inpcb, inp_queue) != prev) {
snmp_log(LOG_ERR,"udbtable link error\n");
break;
}
prev = next;
next = CIRCLEQ_NEXT(&inpcb, inp_queue);
#if !defined(NETSNMP_ENABLE_IPV6)
if (inpcb.inp_flags & INP_IPV6)
goto skip;
#endif
entry = netsnmp_access_udp_endpoint_entry_create();
if (NULL == entry) {
rc = -3;
break;
}
/** oddly enough, these appear to already be in network order */
entry->loc_port = ntohs(inpcb.inp_lport);
entry->rmt_port = ntohs(inpcb.inp_fport);
entry->pid = 0;
/** the addr string may need work */
if (inpcb.inp_flags & INP_IPV6) {
entry->loc_addr_len = entry->rmt_addr_len = 16;
memcpy(entry->loc_addr, &inpcb.inp_laddr6, 16);
memcpy(entry->rmt_addr, &inpcb.inp_faddr6, 16);
}
else {
entry->loc_addr_len = entry->rmt_addr_len = 4;
memcpy(entry->loc_addr, &inpcb.inp_laddr, 4);
memcpy(entry->rmt_addr, &inpcb.inp_faddr, 4);
}
/*
* add entry to container
*/
entry->index = CONTAINER_SIZE(container) + 1;
CONTAINER_INSERT(container, entry);
#if !defined(NETSNMP_ENABLE_IPV6)
skip:
#endif
if (next == head)
break;
}
if (rc < 0)
return rc;
return 0;
}
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