2003-11-10 08:53:38 +00:00
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/*
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* Copyright (c) 2001-2003
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* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
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* All rights reserved.
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*
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* Author: Harti Brandt <harti@freebsd.org>
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2004-08-06 13:38:30 +00:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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2003-11-10 08:53:38 +00:00
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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2004-08-06 13:38:30 +00:00
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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2003-11-10 08:53:38 +00:00
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*
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2006-02-27 16:16:18 +00:00
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* $Begemot: bsnmp/snmp_mibII/mibII_interfaces.c,v 1.17 2006/02/14 09:04:19 brandt_h Exp $
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2003-11-10 08:53:38 +00:00
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*
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* Interfaces group.
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*/
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#include "mibII.h"
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#include "mibII_oid.h"
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/*
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* This structure catches all changes to a interface entry
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*/
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struct ifchange {
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struct snmp_dependency dep;
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u_int ifindex;
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2004-08-06 13:38:30 +00:00
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uint32_t set;
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2003-11-10 08:53:38 +00:00
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int promisc;
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int admin;
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int traps;
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2004-08-06 13:38:30 +00:00
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uint32_t rb;
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2003-11-10 08:53:38 +00:00
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int rb_flags;
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int rb_traps;
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};
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#define IFC_PROMISC 0x0001
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#define IFC_ADMIN 0x0002
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#define IFC_TRAPS 0x0004
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#define IFRB_FLAGS 0x0001
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#define IFRB_TRAPS 0x0002
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static const struct asn_oid
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oid_ifTable = OIDX_ifTable;
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/*
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* This function handles all changes to the interface table and interface
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* extension table.
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*/
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static int
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ifchange_func(struct snmp_context *ctx __unused, struct snmp_dependency *dep,
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enum snmp_depop op)
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{
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struct ifchange *ifc = (struct ifchange *)dep;
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struct mibif *ifp;
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struct ifreq ifr, ifr1;
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if ((ifp = mib_find_if(ifc->ifindex)) == NULL)
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return (SNMP_ERR_NO_CREATION);
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switch (op) {
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case SNMP_DEPOP_COMMIT:
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strncpy(ifr.ifr_name, ifp->name, sizeof(ifr.ifr_name));
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if (ioctl(mib_netsock, SIOCGIFFLAGS, &ifr) == -1) {
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syslog(LOG_ERR, "GIFFLAGS(%s): %m", ifp->name);
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return (SNMP_ERR_GENERR);
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}
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if (ifc->set & IFC_PROMISC) {
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ifr.ifr_flags &= ~IFF_PROMISC;
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if (ifc->promisc)
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ifr.ifr_flags |= IFF_PROMISC;
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ifc->rb |= IFRB_FLAGS;
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}
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if (ifc->set & IFC_ADMIN) {
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ifr.ifr_flags &= ~IFF_UP;
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if (ifc->admin)
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ifr.ifr_flags |= IFF_UP;
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ifc->rb |= IFRB_FLAGS;
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}
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if (ifc->rb & IFRB_FLAGS) {
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strncpy(ifr1.ifr_name, ifp->name, sizeof(ifr1.ifr_name));
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if (ioctl(mib_netsock, SIOCGIFFLAGS, &ifr1) == -1) {
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syslog(LOG_ERR, "GIFFLAGS(%s): %m", ifp->name);
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return (SNMP_ERR_GENERR);
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}
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ifc->rb_flags = ifr1.ifr_flags;
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if (ioctl(mib_netsock, SIOCSIFFLAGS, &ifr) == -1) {
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syslog(LOG_ERR, "SIFFLAGS(%s): %m", ifp->name);
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return (SNMP_ERR_GENERR);
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}
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(void)mib_fetch_ifmib(ifp);
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}
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if (ifc->set & IFC_TRAPS) {
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ifc->rb |= IFRB_TRAPS;
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ifc->rb_traps = ifp->trap_enable;
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ifp->trap_enable = ifc->traps;
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}
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return (SNMP_ERR_NOERROR);
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case SNMP_DEPOP_ROLLBACK:
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if (ifc->rb & IFRB_FLAGS) {
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strncpy(ifr.ifr_name, ifp->name, sizeof(ifr.ifr_name));
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ifr.ifr_flags = ifc->rb_flags;
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if (ioctl(mib_netsock, SIOCSIFFLAGS, &ifr) == -1) {
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syslog(LOG_ERR, "SIFFLAGS(%s): %m", ifp->name);
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return (SNMP_ERR_UNDO_FAILED);
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}
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(void)mib_fetch_ifmib(ifp);
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}
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if (ifc->rb & IFRB_TRAPS)
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ifp->trap_enable = ifc->rb_traps;
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return (SNMP_ERR_NOERROR);
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2004-04-14 16:20:14 +00:00
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case SNMP_DEPOP_FINISH:
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return (SNMP_ERR_NOERROR);
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2003-11-10 08:53:38 +00:00
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}
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abort();
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}
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2005-05-23 11:19:11 +00:00
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/*
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* Return difference to daemon start time in ticks truncated to a
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* 32-bit value. If the timeval is 0 then return 0.
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*/
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2004-08-06 13:38:30 +00:00
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static uint32_t
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2003-11-10 08:53:38 +00:00
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ticks_get_timeval(struct timeval *tv)
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{
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2005-05-23 11:19:11 +00:00
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uint64_t v;
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2003-11-10 08:53:38 +00:00
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if (tv->tv_sec != 0 || tv->tv_usec != 0) {
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2005-05-23 11:19:11 +00:00
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v = 100ULL * tv->tv_sec + tv->tv_usec / 10000ULL;
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2003-11-10 08:53:38 +00:00
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if (v > start_tick)
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return (v - start_tick);
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}
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return (0);
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}
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/*
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* Scalars
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*/
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int
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op_interfaces(struct snmp_context *ctx __unused, struct snmp_value *value,
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u_int sub, u_int idx __unused, enum snmp_op op)
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{
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switch (op) {
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case SNMP_OP_GETNEXT:
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abort();
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case SNMP_OP_GET:
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break;
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case SNMP_OP_SET:
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return (SNMP_ERR_NOT_WRITEABLE);
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case SNMP_OP_ROLLBACK:
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case SNMP_OP_COMMIT:
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abort();
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}
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switch (value->var.subs[sub - 1]) {
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case LEAF_ifNumber:
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value->v.integer = mib_if_number;
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break;
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}
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return (SNMP_ERR_NOERROR);
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}
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/*
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* Iftable entry
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*/
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int
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op_ifentry(struct snmp_context *ctx, struct snmp_value *value,
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u_int sub, u_int iidx __unused, enum snmp_op op)
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{
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struct mibif *ifp = NULL;
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int ret;
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struct ifchange *ifc;
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struct asn_oid idx;
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switch (op) {
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case SNMP_OP_GETNEXT:
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if ((ifp = NEXT_OBJECT_INT(&mibif_list, &value->var, sub)) == NULL)
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return (SNMP_ERR_NOSUCHNAME);
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value->var.len = sub + 1;
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value->var.subs[sub] = ifp->index;
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break;
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case SNMP_OP_GET:
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if (value->var.len - sub != 1)
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return (SNMP_ERR_NOSUCHNAME);
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if ((ifp = mib_find_if(value->var.subs[sub])) == NULL)
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return (SNMP_ERR_NOSUCHNAME);
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break;
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case SNMP_OP_SET:
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if (value->var.len - sub != 1)
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return (SNMP_ERR_NO_CREATION);
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if ((ifp = mib_find_if(value->var.subs[sub])) == NULL)
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return (SNMP_ERR_NO_CREATION);
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if (value->var.subs[sub - 1] != LEAF_ifAdminStatus)
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return (SNMP_ERR_NOT_WRITEABLE);
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idx.len = 1;
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idx.subs[0] = ifp->index;
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if (value->v.integer != 1 && value->v.integer != 2)
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return (SNMP_ERR_WRONG_VALUE);
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if ((ifc = (struct ifchange *)snmp_dep_lookup(ctx,
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&oid_ifTable, &idx, sizeof(*ifc), ifchange_func)) == NULL)
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return (SNMP_ERR_RES_UNAVAIL);
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ifc->ifindex = ifp->index;
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if (ifc->set & IFC_ADMIN)
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return (SNMP_ERR_INCONS_VALUE);
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ifc->set |= IFC_ADMIN;
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ifc->admin = (value->v.integer == 1) ? 1 : 0;
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return (SNMP_ERR_NOERROR);
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case SNMP_OP_ROLLBACK:
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case SNMP_OP_COMMIT:
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return (SNMP_ERR_NOERROR);
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}
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if (ifp->mibtick < this_tick)
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(void)mib_fetch_ifmib(ifp);
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ret = SNMP_ERR_NOERROR;
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switch (value->var.subs[sub - 1]) {
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case LEAF_ifIndex:
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value->v.integer = ifp->index;
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break;
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case LEAF_ifDescr:
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ret = string_get(value, ifp->descr, -1);
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break;
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case LEAF_ifType:
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value->v.integer = ifp->mib.ifmd_data.ifi_type;
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break;
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case LEAF_ifMtu:
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value->v.integer = ifp->mib.ifmd_data.ifi_mtu;
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break;
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case LEAF_ifSpeed:
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value->v.integer = ifp->mib.ifmd_data.ifi_baudrate;
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break;
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case LEAF_ifPhysAddress:
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ret = string_get(value, ifp->physaddr,
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ifp->physaddrlen);
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break;
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case LEAF_ifAdminStatus:
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value->v.integer =
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(ifp->mib.ifmd_flags & IFF_UP) ? 1 : 2;
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break;
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case LEAF_ifOperStatus:
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2005-11-02 14:05:49 +00:00
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/*
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* According to RFC 2863 the state should be Up if the
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* interface is ready to transmit packets. We takes this to
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* mean that the interface should be running and should have
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* a carrier. If it is running and has no carrier we interpret
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* this as 'waiting for an external event' (plugging in the
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* cable) and hence return 'dormant'.
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*/
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if (ifp->mib.ifmd_flags & IFF_RUNNING) {
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2011-05-03 10:11:44 +00:00
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if (ifp->mib.ifmd_data.ifi_link_state != LINK_STATE_UP)
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2005-11-02 14:05:49 +00:00
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value->v.integer = 5; /* state dormant */
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else
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value->v.integer = 1; /* state up */
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} else
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value->v.integer = 2; /* state down */
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2003-11-10 08:53:38 +00:00
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break;
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case LEAF_ifLastChange:
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value->v.uint32 =
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ticks_get_timeval(&ifp->mib.ifmd_data.ifi_lastchange);
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break;
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case LEAF_ifInOctets:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_ibytes;
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break;
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case LEAF_ifInUcastPkts:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_ipackets -
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ifp->mib.ifmd_data.ifi_imcasts;
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break;
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case LEAF_ifInNUcastPkts:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_imcasts;
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break;
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case LEAF_ifInDiscards:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_iqdrops;
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break;
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case LEAF_ifInErrors:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_ierrors;
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break;
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case LEAF_ifInUnknownProtos:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_noproto;
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break;
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case LEAF_ifOutOctets:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_obytes;
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break;
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case LEAF_ifOutUcastPkts:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_opackets -
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ifp->mib.ifmd_data.ifi_omcasts;
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break;
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case LEAF_ifOutNUcastPkts:
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value->v.uint32 = ifp->mib.ifmd_data.ifi_omcasts;
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break;
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case LEAF_ifOutDiscards:
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value->v.uint32 = ifp->mib.ifmd_snd_drops;
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break;
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case LEAF_ifOutErrors:
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|
|
value->v.uint32 = ifp->mib.ifmd_data.ifi_oerrors;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifOutQLen:
|
|
|
|
value->v.uint32 = ifp->mib.ifmd_snd_len;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifSpecific:
|
2005-02-28 17:27:11 +00:00
|
|
|
value->v.oid = ifp->spec_oid;
|
2003-11-10 08:53:38 +00:00
|
|
|
break;
|
|
|
|
}
|
2016-04-22 07:51:38 +00:00
|
|
|
return (ret);
|
2003-11-10 08:53:38 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* IfXtable entry
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
op_ifxtable(struct snmp_context *ctx, struct snmp_value *value,
|
|
|
|
u_int sub, u_int iidx __unused, enum snmp_op op)
|
|
|
|
{
|
|
|
|
struct mibif *ifp = NULL;
|
|
|
|
int ret;
|
|
|
|
struct ifchange *ifc;
|
|
|
|
struct asn_oid idx;
|
|
|
|
|
|
|
|
switch (op) {
|
|
|
|
|
|
|
|
again:
|
|
|
|
if (op != SNMP_OP_GETNEXT)
|
|
|
|
return (SNMP_ERR_NOSUCHNAME);
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
|
|
|
|
case SNMP_OP_GETNEXT:
|
|
|
|
if ((ifp = NEXT_OBJECT_INT(&mibif_list, &value->var, sub)) == NULL)
|
|
|
|
return (SNMP_ERR_NOSUCHNAME);
|
|
|
|
value->var.len = sub + 1;
|
|
|
|
value->var.subs[sub] = ifp->index;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SNMP_OP_GET:
|
|
|
|
if (value->var.len - sub != 1)
|
|
|
|
return (SNMP_ERR_NOSUCHNAME);
|
|
|
|
if ((ifp = mib_find_if(value->var.subs[sub])) == NULL)
|
|
|
|
return (SNMP_ERR_NOSUCHNAME);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SNMP_OP_SET:
|
|
|
|
if (value->var.len - sub != 1)
|
|
|
|
return (SNMP_ERR_NO_CREATION);
|
|
|
|
if ((ifp = mib_find_if(value->var.subs[sub])) == NULL)
|
|
|
|
return (SNMP_ERR_NO_CREATION);
|
|
|
|
|
|
|
|
idx.len = 1;
|
|
|
|
idx.subs[0] = ifp->index;
|
|
|
|
|
|
|
|
if ((ifc = (struct ifchange *)snmp_dep_lookup(ctx,
|
|
|
|
&oid_ifTable, &idx, sizeof(*ifc), ifchange_func)) == NULL)
|
|
|
|
return (SNMP_ERR_RES_UNAVAIL);
|
|
|
|
ifc->ifindex = ifp->index;
|
|
|
|
|
|
|
|
switch (value->var.subs[sub - 1]) {
|
|
|
|
|
|
|
|
case LEAF_ifLinkUpDownTrapEnable:
|
|
|
|
if (value->v.integer != 1 && value->v.integer != 2)
|
|
|
|
return (SNMP_ERR_WRONG_VALUE);
|
|
|
|
if (ifc->set & IFC_TRAPS)
|
|
|
|
return (SNMP_ERR_INCONS_VALUE);
|
|
|
|
ifc->set |= IFC_TRAPS;
|
|
|
|
ifc->traps = (value->v.integer == 1) ? 1 : 0;
|
|
|
|
return (SNMP_ERR_NOERROR);
|
|
|
|
|
|
|
|
case LEAF_ifPromiscuousMode:
|
|
|
|
if (value->v.integer != 1 && value->v.integer != 2)
|
|
|
|
return (SNMP_ERR_WRONG_VALUE);
|
|
|
|
if (ifc->set & IFC_PROMISC)
|
|
|
|
return (SNMP_ERR_INCONS_VALUE);
|
|
|
|
ifc->set |= IFC_PROMISC;
|
|
|
|
ifc->promisc = (value->v.integer == 1) ? 1 : 0;
|
|
|
|
return (SNMP_ERR_NOERROR);
|
|
|
|
}
|
|
|
|
return (SNMP_ERR_NOT_WRITEABLE);
|
|
|
|
|
|
|
|
case SNMP_OP_ROLLBACK:
|
|
|
|
case SNMP_OP_COMMIT:
|
|
|
|
return (SNMP_ERR_NOERROR);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ifp->mibtick < this_tick)
|
|
|
|
(void)mib_fetch_ifmib(ifp);
|
|
|
|
|
|
|
|
ret = SNMP_ERR_NOERROR;
|
|
|
|
switch (value->var.subs[sub - 1]) {
|
|
|
|
|
|
|
|
case LEAF_ifName:
|
|
|
|
ret = string_get(value, ifp->name, -1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifInMulticastPkts:
|
|
|
|
value->v.uint32 = ifp->mib.ifmd_data.ifi_imcasts;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifInBroadcastPkts:
|
|
|
|
value->v.uint32 = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifOutMulticastPkts:
|
|
|
|
value->v.uint32 = ifp->mib.ifmd_data.ifi_omcasts;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifOutBroadcastPkts:
|
|
|
|
value->v.uint32 = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHCInOctets:
|
|
|
|
if (!(ifp->flags & MIBIF_HIGHSPEED))
|
|
|
|
goto again;
|
2006-02-13 14:11:18 +00:00
|
|
|
value->v.counter64 = MIBIF_PRIV(ifp)->hc_inoctets;
|
2003-11-10 08:53:38 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHCInUcastPkts:
|
|
|
|
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
|
|
|
|
goto again;
|
2006-02-13 14:11:18 +00:00
|
|
|
value->v.counter64 = MIBIF_PRIV(ifp)->hc_ipackets -
|
|
|
|
MIBIF_PRIV(ifp)->hc_imcasts;
|
2003-11-10 08:53:38 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHCInMulticastPkts:
|
|
|
|
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
|
|
|
|
goto again;
|
2006-02-13 14:11:18 +00:00
|
|
|
value->v.counter64 = MIBIF_PRIV(ifp)->hc_imcasts;
|
2003-11-10 08:53:38 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHCInBroadcastPkts:
|
|
|
|
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
|
|
|
|
goto again;
|
|
|
|
value->v.counter64 = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHCOutOctets:
|
|
|
|
if (!(ifp->flags & MIBIF_HIGHSPEED))
|
|
|
|
goto again;
|
2006-02-13 14:11:18 +00:00
|
|
|
value->v.counter64 = MIBIF_PRIV(ifp)->hc_outoctets;
|
2003-11-10 08:53:38 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHCOutUcastPkts:
|
|
|
|
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
|
|
|
|
goto again;
|
2006-02-13 14:11:18 +00:00
|
|
|
value->v.counter64 = MIBIF_PRIV(ifp)->hc_opackets -
|
|
|
|
MIBIF_PRIV(ifp)->hc_omcasts;
|
2003-11-10 08:53:38 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHCOutMulticastPkts:
|
|
|
|
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
|
|
|
|
goto again;
|
2006-02-13 14:11:18 +00:00
|
|
|
value->v.counter64 = MIBIF_PRIV(ifp)->hc_omcasts;
|
2003-11-10 08:53:38 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHCOutBroadcastPkts:
|
|
|
|
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
|
|
|
|
goto again;
|
|
|
|
value->v.counter64 = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifLinkUpDownTrapEnable:
|
|
|
|
value->v.integer = ifp->trap_enable ? 1 : 2;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifHighSpeed:
|
|
|
|
value->v.integer =
|
|
|
|
(ifp->mib.ifmd_data.ifi_baudrate + 499999) / 1000000;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifPromiscuousMode:
|
|
|
|
value->v.integer =
|
|
|
|
(ifp->mib.ifmd_flags & IFF_PROMISC) ? 1 : 2;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifConnectorPresent:
|
|
|
|
value->v.integer = ifp->has_connector ? 1 : 2;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifAlias:
|
2016-01-21 16:11:20 +00:00
|
|
|
ret = string_get(value, MIBIF_PRIV(ifp)->alias, -1);
|
2003-11-10 08:53:38 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LEAF_ifCounterDiscontinuityTime:
|
|
|
|
if (ifp->counter_disc > start_tick)
|
|
|
|
value->v.uint32 = ifp->counter_disc - start_tick;
|
|
|
|
else
|
|
|
|
value->v.uint32 = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return (ret);
|
|
|
|
}
|