/*
* Interface MIB architecture support for Solaris
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-features.h>
#include <net-snmp/net-snmp-includes.h>
#include "if-mib/ifTable/ifTable_constants.h"
#include "kernel_sunos5.h"
#include "mibII/mibII_common.h"
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include <net-snmp/data_access/interface.h>
#include "if-mib/data_access/interface.h"
#include "interface_private.h"
#include <sys/ioctl.h>
#include <sys/sockio.h>
#include <strings.h>
#include <string.h>
netsnmp_feature_child_of(interface_arch_set_admin_status, interface_all)
static int _set_ip_flags_v4(netsnmp_interface_entry *, mib2_ifEntry_t *);
static int _match_ifname_v4addr(void *ifname, void *ipaddr);
static int _get_v4addr(mib2_ifEntry_t *ife, mib2_ipAddrEntry_t *e);
static int _set_ip_flags_v6(netsnmp_interface_entry *, mib2_ifEntry_t *);
#ifdef SOLARIS_HAVE_IPV6_MIB_SUPPORT
static int _get_v6addr(mib2_ifEntry_t *ife, mib2_ipv6AddrEntry_t *ipv6e);
static int _match_ifname_v6addr(void *ifname, void *ipaddr);
#endif
void
netsnmp_arch_interface_init(void)
{
init_kernel_sunos5();
}
/*
* find the ifIndex for an interface name
*
* @retval 0 : no index found
* @retval >0: ifIndex for interface
*/
oid
netsnmp_arch_interface_index_find(const char *name)
{
#if defined(HAVE_IF_NAMETOINDEX)
return if_nametoindex(name);
#else /* use GIFINDEX */
return solaris2_if_nametoindex(name, strlen(name));
#endif /* defined(HAVE_IF_NAMETOINDEX) */
}
/*
* @retval 0 success
* @retval -1 no container specified
* @retval -2 could not create entry (probably malloc)
*/
int
netsnmp_arch_interface_container_load(netsnmp_container* container,
u_int l_flags)
{
netsnmp_interface_entry *entry = NULL;
mib2_ifEntry_t ife;
int rc;
req_e req = GET_FIRST;
int error = 0;
DEBUGMSGTL(("access:interface:container:arch", "load (flags %u)\n",
l_flags));
if (container == NULL) {
snmp_log(LOG_ERR,
"no container specified/found for interface\n");
return -1;
}
while ((rc = getMibstat(MIB_INTERFACES, &ife, sizeof(ife), req,
&Get_everything, NULL)) == 0) {
req = GET_NEXT;
DEBUGMSGTL(("access:interface:container:arch",
"processing '%s'\n", ife.ifDescr.o_bytes));
entry =
netsnmp_access_interface_entry_create(ife.ifDescr.o_bytes,
ife.ifIndex);
if (entry == NULL) {
error = 1;
break;
}
entry->ns_flags = 0;
if (l_flags & NETSNMP_ACCESS_INTERFACE_LOAD_IP4_ONLY &&
_set_ip_flags_v4(entry, &ife) == 0) {
netsnmp_access_interface_entry_free(entry);
continue;
} else if (l_flags & NETSNMP_ACCESS_INTERFACE_LOAD_IP6_ONLY &&
_set_ip_flags_v6(entry, &ife) == 0) {
netsnmp_access_interface_entry_free(entry);
continue;
} else {
(void) _set_ip_flags_v4(entry, &ife);
(void) _set_ip_flags_v6(entry, &ife);
}
/*
* collect the information needed by IF-MIB
*/
entry->paddr = (char*)malloc(ife.ifPhysAddress.o_length);
if (entry->paddr == NULL) {
netsnmp_access_interface_entry_free(entry);
error = 1;
break;
}
entry->paddr_len = ife.ifPhysAddress.o_length;
(void)memcpy(entry->paddr, ife.ifPhysAddress.o_bytes,
ife.ifPhysAddress.o_length);
entry->type = ife.ifType;
entry->mtu = ife.ifMtu;
entry->speed = ife.ifSpeed;
entry->speed_high = entry->speed / 1000000;
entry->ns_flags |= NETSNMP_INTERFACE_FLAGS_HAS_HIGH_SPEED;
entry->oper_status = ife.ifOperStatus;
entry->admin_status = ife.ifAdminStatus;
if (ife.flags & IFF_PROMISC)
entry->promiscuous = 1;
entry->ns_flags |= NETSNMP_INTERFACE_FLAGS_ACTIVE;
/*
* Interface Stats.
*/
if (! (l_flags & NETSNMP_ACCESS_INTERFACE_LOAD_NO_STATS)) {
entry->ns_flags |=
NETSNMP_INTERFACE_FLAGS_HAS_BYTES |
NETSNMP_INTERFACE_FLAGS_HAS_DROPS |
NETSNMP_INTERFACE_FLAGS_HAS_MCAST_PKTS;
if (ife.ifHCInOctets > 0 || ife.ifHCOutOctets > 0) {
/*
* We make the assumption that if we have
* a 64-bit Octet counter, then the other
* counters are 64-bit as well.
*/
DEBUGMSGTL(("access:interface:container:arch",
"interface '%s' have 64-bit stat counters\n",
entry->name));
entry->ns_flags |=
NETSNMP_INTERFACE_FLAGS_HAS_HIGH_BYTES |
NETSNMP_INTERFACE_FLAGS_HAS_HIGH_PACKETS;
/* in stats */
entry->stats.ibytes.low = ife.ifHCInOctets & 0xffffffff;
entry->stats.ibytes.high = ife.ifHCInOctets >> 32;
entry->stats.iucast.low = ife.ifHCInUcastPkts & 0xffffffff;
entry->stats.iucast.high = ife.ifHCInUcastPkts >> 32;
entry->stats.imcast.low = ife.ifHCInMulticastPkts & 0xffffffff;
entry->stats.imcast.high = ife.ifHCInMulticastPkts >> 32;
entry->stats.ibcast.low = ife.ifHCInBroadcastPkts & 0xffffffff;
entry->stats.ibcast.high = ife.ifHCInBroadcastPkts >> 32;
/* out stats */
entry->stats.obytes.low = ife.ifHCOutOctets & 0xffffffff;
entry->stats.obytes.high = ife.ifHCOutOctets >> 32;
entry->stats.oucast.low = ife.ifHCOutUcastPkts & 0xffffffff;
entry->stats.oucast.high = ife.ifHCOutUcastPkts >> 32;
entry->stats.omcast.low = ife.ifHCOutMulticastPkts & 0xffffffff;
entry->stats.omcast.high = ife.ifHCOutMulticastPkts >> 32;
entry->stats.obcast.low = ife.ifHCOutBroadcastPkts & 0xffffffff;
entry->stats.obcast.high = ife.ifHCOutBroadcastPkts >> 32;
} else {
DEBUGMSGTL(("access:interface:container:arch",
"interface '%s' have 32-bit stat counters\n",
entry->name));
/* in stats */
entry->stats.ibytes.low = ife.ifInOctets;
entry->stats.iucast.low = ife.ifInUcastPkts;
entry->stats.imcast.low = ife.ifHCInMulticastPkts & 0xffffffff;
entry->stats.ibcast.low = ife.ifHCInBroadcastPkts & 0xffffffff;
/* out stats */
entry->stats.obytes.low = ife.ifOutOctets;
entry->stats.oucast.low = ife.ifOutUcastPkts;
entry->stats.omcast.low = ife.ifHCOutMulticastPkts & 0xffffffff;
entry->stats.obcast.low = ife.ifHCOutBroadcastPkts & 0xffffffff;
}
/* in stats */
entry->stats.ierrors = ife.ifInErrors;
entry->stats.idiscards = ife.ifInDiscards;
entry->stats.iunknown_protos = ife.ifInUnknownProtos;
entry->stats.inucast = ife.ifInNUcastPkts;
/* out stats */
entry->stats.oerrors = ife.ifOutErrors;
entry->stats.odiscards = ife.ifOutDiscards;
entry->stats.onucast = ife.ifOutNUcastPkts;
entry->stats.oqlen = ife.ifOutQLen;
/* other stats */
entry->stats.collisions = ife.ifCollisions;
}
netsnmp_access_interface_entry_overrides(entry);
/*
* add to container
*/
CONTAINER_INSERT(container, entry);
}
DEBUGMSGTL(("access:interface:container:arch", "rc = %d\n", rc));
if (error) {
DEBUGMSGTL(("access:interface:container:arch",
"error %d, free container\n", error));
netsnmp_access_interface_container_free(container,
NETSNMP_ACCESS_INTERFACE_FREE_NOFLAGS);
return -2;
}
return 0;
}
/**
* @internal
*/
static int
_set_ip_flags_v4(netsnmp_interface_entry *entry, mib2_ifEntry_t *ife)
{
mib2_ipAddrEntry_t ipv4e;
if (_get_v4addr(ife, &ipv4e) > 0) {
entry->reasm_max_v4 = ipv4e.ipAdEntReasmMaxSize;
entry->ns_flags |=
NETSNMP_INTERFACE_FLAGS_HAS_IPV4 |
NETSNMP_INTERFACE_FLAGS_HAS_V4_REASMMAX;
#if defined( SOLARIS_HAVE_RFC4293_SUPPORT )
entry->retransmit_v4 = ipv4e.ipAdEntRetransmitTime;
entry->ns_flags |=
NETSNMP_INTERFACE_FLAGS_HAS_V4_RETRANSMIT;
#endif
return (1);
}
return (0);
}
/**
* @internal
*/
static int
_set_ip_flags_v6(netsnmp_interface_entry *entry, mib2_ifEntry_t *ife)
{
#ifdef SOLARIS_HAVE_IPV6_MIB_SUPPORT
mib2_ipv6AddrEntry_t ipv6e;
if (_get_v6addr(ife, &ipv6e) > 0) {
entry->ns_flags |=
NETSNMP_INTERFACE_FLAGS_HAS_IPV6;
#if defined( SOLARIS_HAVE_RFC4293_SUPPORT )
if (ipv6e.ipv6AddrIdentifierLen <= sizeof(entry->v6_if_id)) {
entry->v6_if_id_len = ipv6e.ipv6AddrIdentifierLen;
(void)memcpy(&entry->v6_if_id, &ipv6e.ipv6AddrIdentifier,
entry->v6_if_id_len);
entry->ns_flags |=
NETSNMP_INTERFACE_FLAGS_HAS_V6_IFID;
}
entry->reasm_max_v6 = ipv6e.ipv6AddrReasmMaxSize;
entry->retransmit_v6 = ipv6e.ipv6AddrRetransmitTime;
entry->reachable_time = ipv6e.ipv6AddrReachableTime;
entry->ns_flags |=
NETSNMP_INTERFACE_FLAGS_HAS_V6_REASMMAX |
NETSNMP_INTERFACE_FLAGS_HAS_V6_RETRANSMIT |
NETSNMP_INTERFACE_FLAGS_HAS_V6_REACHABLE;
/* XXX forwarding info missing */
#else
/* XXX Don't have this info, 1500 is the minimum */
entry->reasm_max_v6 = 1500;
entry->ns_flags |=
NETSNMP_INTERFACE_FLAGS_HAS_V6_REASMMAX; /* ??? */
#endif /* SOLARIS_HAVE_RFC4293_SUPPORT */
return (1);
}
#endif /* SOLARIS_HAVE_IPV6_MIB_SUPPORT */
return (0);
}
/**
* @internal
*/
static int
_match_ifname_v4addr(void *ifname, void *ipaddr)
{
DeviceName *devname = &((mib2_ipAddrEntry_t *)ipaddr)->ipAdEntIfIndex;
return (strncmp((char *)ifname, devname->o_bytes, devname->o_length));
}
/**
* @internal
*
* Search for address entry that belongs to the IF entry.
* Returns 1 if an address was found, in which case the entry
* will be stored in ipv4e. If not entry was found, 0 is returned.
*
*/
static int
_get_v4addr(mib2_ifEntry_t *ife, mib2_ipAddrEntry_t *ipv4e)
{
int rc;
if ((rc = getMibstat(MIB_IP_ADDR, ipv4e, sizeof(*ipv4e), GET_EXACT,
&_match_ifname_v4addr, &ife->ifDescr.o_bytes)) == 0)
return (1);
memset(ipv4e, '\0', sizeof(*ipv4e));
return (0);
}
#ifdef SOLARIS_HAVE_IPV6_MIB_SUPPORT
/**
* @internal
*/
static int
_match_ifname_v6addr(void *ifname, void *ipaddr)
{
DeviceName *devname = &((mib2_ipv6AddrEntry_t*)ipaddr)->ipv6AddrIfIndex;
return (strncmp((char *)ifname, devname->o_bytes, devname->o_length));
}
/**
* @internal
*
* Search for address entry that belongs to the IF entry.
* Returns 1 if an address was found, in which case the entry
* will be stored in ipv4e. If not entry was found, 0 is returned.
*
*/
static int
_get_v6addr(mib2_ifEntry_t *ife, mib2_ipv6AddrEntry_t *ipv6e)
{
int rc;
if ((rc = getMibstat(MIB_IP6_ADDR, ipv6e, sizeof(*ipv6e), GET_EXACT,
&_match_ifname_v6addr, &ife->ifDescr.o_bytes)) == 0) {
return (1);
}
memset(ipv6e, '\0', sizeof(*ipv6e));
return (0);
}
#endif /* SOLARIS_HAVE_IPV6_MIB_SUPPORT */
#ifndef NETSNMP_FEATURE_REMOVE_INTERFACE_ARCH_SET_ADMIN_STATUS
int
netsnmp_arch_set_admin_status(netsnmp_interface_entry * entry,
int ifAdminStatus_val)
{
DEBUGMSGTL(("access:interface:arch", "set_admin_status\n"));
/*
* XXX Not supported yet
*/
return (-1);
}
#endif /* NETSNMP_FEATURE_REMOVE_INTERFACE_ARCH_SET_ADMIN_STATUS */