168 lines
5.4 KiB
C
168 lines
5.4 KiB
C
/*
|
|
* Copyright (c) 2001-2003
|
|
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
|
|
* All rights reserved.
|
|
*
|
|
* Author: Harti Brandt <harti@freebsd.org>
|
|
*
|
|
* Redistribution of this software and documentation and use in source and
|
|
* binary forms, with or without modification, are permitted provided that
|
|
* the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code or documentation must retain the above
|
|
* copyright notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY FRAUNHOFER FOKUS
|
|
* AND ITS CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
* FRAUNHOFER FOKUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
|
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $Begemot: bsnmp/snmp_mibII/snmp_mibII.h,v 1.14 2003/12/03 10:01:19 hbb Exp $
|
|
*
|
|
* Implementation of the interfaces and IP groups of MIB-II.
|
|
*/
|
|
#ifndef snmp_mibII_h_
|
|
#define snmp_mibII_h_
|
|
|
|
/* forward declaration */
|
|
struct mibif;
|
|
|
|
enum mibif_notify {
|
|
MIBIF_NOTIFY_DESTROY
|
|
};
|
|
|
|
typedef void (*mibif_notify_f)(struct mibif *, enum mibif_notify, void *);
|
|
|
|
/*
|
|
* Interfaces. This structure describes one interface as seen in the MIB.
|
|
* Interfaces are indexed by ifindex. This is not the same as the index
|
|
* used by the system because of the rules in RFC-2863 section 3.1.5. This
|
|
* RFC requires, that an ifindex is not to be re-used for ANOTHER dynamically
|
|
* interfaces once the interface was deleted. The system's ifindex is in
|
|
* sysindex. Mapping is via the mapping table below.
|
|
*/
|
|
struct mibif {
|
|
TAILQ_ENTRY(mibif) link;
|
|
u_int flags;
|
|
u_int index; /* the logical ifindex */
|
|
u_int sysindex;
|
|
char name[IFNAMSIZ];
|
|
char descr[256];
|
|
struct ifmibdata mib;
|
|
u_int32_t mibtick;
|
|
void *specmib;
|
|
size_t specmiblen;
|
|
u_char *physaddr;
|
|
u_int physaddrlen;
|
|
int has_connector;
|
|
int trap_enable;
|
|
u_int32_t counter_disc;
|
|
|
|
/*
|
|
* This is needed to handle interface type specific information
|
|
* in sub-modules. It contains a function pointer which handles
|
|
* notifications and a data pointer to arbitrary data.
|
|
* Should be set via the mibif_notify function.
|
|
*/
|
|
mibif_notify_f xnotify;
|
|
void *xnotify_data;
|
|
const struct lmodule *xnotify_mod;
|
|
};
|
|
|
|
/*
|
|
* Interface IP-address table.
|
|
*/
|
|
struct mibifa {
|
|
TAILQ_ENTRY(mibifa) link;
|
|
struct in_addr inaddr;
|
|
struct in_addr inmask;
|
|
struct in_addr inbcast;
|
|
struct asn_oid index; /* index for table search */
|
|
u_int ifindex;
|
|
u_int flags;
|
|
};
|
|
|
|
/*
|
|
* Interface receive addresses. Interface link-level multicast, broadcast
|
|
* and hardware addresses are handled automatically.
|
|
*/
|
|
struct mibrcvaddr {
|
|
TAILQ_ENTRY(mibrcvaddr) link;
|
|
struct asn_oid index;
|
|
u_int ifindex;
|
|
u_char addr[ASN_MAXOIDLEN];
|
|
size_t addrlen;
|
|
u_int flags;
|
|
};
|
|
enum {
|
|
MIBRCVADDR_VOLATILE = 0x00000001,
|
|
MIBRCVADDR_BCAST = 0x00000002,
|
|
MIBRCVADDR_HW = 0x00000004,
|
|
};
|
|
|
|
/* network socket */
|
|
extern int mib_netsock;
|
|
|
|
/* set an interface name to dynamic mode */
|
|
void mib_if_set_dyn(const char *);
|
|
|
|
/* re-read the systems interface list */
|
|
void mib_refresh_iflist(void);
|
|
|
|
/* find interface by index */
|
|
struct mibif *mib_find_if(u_int);
|
|
struct mibif *mib_find_if_sys(u_int);
|
|
struct mibif *mib_find_if_name(const char *);
|
|
|
|
/* iterate through all interfaces */
|
|
struct mibif *mib_first_if(void);
|
|
struct mibif *mib_next_if(const struct mibif *);
|
|
|
|
/* register for interface creations */
|
|
int mib_register_newif(int (*)(struct mibif *), const struct lmodule *);
|
|
void mib_unregister_newif(const struct lmodule *);
|
|
|
|
/* get fresh MIB data */
|
|
int mib_fetch_ifmib(struct mibif *);
|
|
|
|
/* change the ADMIN status of an interface and refresh the MIB */
|
|
int mib_if_admin(struct mibif *, int up);
|
|
|
|
/* find interface address by address */
|
|
struct mibifa *mib_find_ifa(struct in_addr);
|
|
|
|
/* find first/next address for a given interface */
|
|
struct mibifa *mib_first_ififa(const struct mibif *);
|
|
struct mibifa *mib_next_ififa(struct mibifa *);
|
|
|
|
/* create/delete stacking entries */
|
|
int mib_ifstack_create(const struct mibif *lower, const struct mibif *upper);
|
|
void mib_ifstack_delete(const struct mibif *lower, const struct mibif *upper);
|
|
|
|
/* find receive address */
|
|
struct mibrcvaddr *mib_find_rcvaddr(u_int, const u_char *, size_t);
|
|
|
|
/* create/delete receive addresses */
|
|
struct mibrcvaddr *mib_rcvaddr_create(struct mibif *, const u_char *, size_t);
|
|
void mib_rcvaddr_delete(struct mibrcvaddr *);
|
|
|
|
/* register for interface notification */
|
|
void *mibif_notify(struct mibif *, const struct lmodule *, mibif_notify_f,
|
|
void *);
|
|
void mibif_unnotify(void *);
|
|
|
|
#endif
|