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9e26322126
Do not overload the v4 oid_copy_addr function for ipv6 coverity does not like this kind of thing. Signed-off-by: Pat Ruddy <pat@voltanet.io>
168 lines
5.7 KiB
C
168 lines
5.7 KiB
C
/* SNMP support
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* Copyright (C) 1999 Kunihiro Ishiguro <kunihiro@zebra.org>
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _ZEBRA_SNMP_H
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#define _ZEBRA_SNMP_H
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#include <net-snmp/agent/net-snmp-agent-includes.h>
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#include <net-snmp/agent/snmp_vars.h>
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#include "thread.h"
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#include "hook.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Structures here are mostly compatible with UCD SNMP 4.1.1 */
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#define MATCH_FAILED (-1)
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#define MATCH_SUCCEEDED 0
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/* SYNTAX TruthValue from SNMPv2-TC. */
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#define SNMP_TRUE 1
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#define SNMP_FALSE 2
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/* SYNTAX RowStatus from SNMPv2-TC. */
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#define SNMP_VALID 1
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#define SNMP_INVALID 2
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#define IN_ADDR_SIZE sizeof(struct in_addr)
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/* IANAipRouteProtocol */
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#define IANAIPROUTEPROTOCOLOTHER 1
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#define IANAIPROUTEPROTOCOLLOCAL 2
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#define IANAIPROUTEPROTOCOLNETMGMT 3
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#define IANAIPROUTEPROTOCOLICMP 4
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#define IANAIPROUTEPROTOCOLEGP 5
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#define IANAIPROUTEPROTOCOLGGP 6
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#define IANAIPROUTEPROTOCOLHELLO 7
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#define IANAIPROUTEPROTOCOLRIP 8
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#define IANAIPROUTEPROTOCOLISIS 9
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#define IANAIPROUTEPROTOCOLESIS 10
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#define IANAIPROUTEPROTOCOLCISCOIGRP 11
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#define IANAIPROUTEPROTOCOLBBNSPFIGP 12
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#define IANAIPROUTEPROTOCOLOSPF 13
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#define IANAIPROUTEPROTOCOLBGP 14
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#define IANAIPROUTEPROTOCOLIDPR 15
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#define IANAIPROUTEPROTOCOLCISCOEIGRP 16
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#define IANAIPROUTEPROTOCOLDVMRP 17
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#define INETADDRESSTYPEUNKNOWN 0
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#define INETADDRESSTYPEIPV4 1
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#define INETADDRESSTYPEIPV6 2
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#undef REGISTER_MIB
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#define REGISTER_MIB(descr, var, vartype, theoid) \
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smux_register_mib(descr, (struct variable *)var, \
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sizeof(struct vartype), \
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sizeof(var) / sizeof(struct vartype), theoid, \
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sizeof(theoid) / sizeof(oid))
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struct trap_object {
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int namelen; /* Negative if the object is not indexed */
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oid name[MAX_OID_LEN];
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};
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struct index_oid {
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int indexlen;
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oid indexname[MAX_OID_LEN];
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};
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/* Declare SMUX return value. */
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#define SNMP_LOCAL_VARIABLES \
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static long snmp_int_val __attribute__((unused)); \
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static struct in_addr snmp_in_addr_val __attribute__((unused));
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static uint8_t snmp_octet_val __attribute__((unused));
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#define SNMP_INTEGER(V) \
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(*var_len = sizeof(snmp_int_val), snmp_int_val = V, \
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(uint8_t *)&snmp_int_val)
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#define SNMP_OCTET(V) \
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(*var_len = sizeof(snmp_octet_val), snmp_octet_val = V, \
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(uint8_t *)&snmp_octet_val)
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#define SNMP_IPADDRESS(V) \
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(*var_len = sizeof(struct in_addr), snmp_in_addr_val = V, \
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(uint8_t *)&snmp_in_addr_val)
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#define SNMP_IP6ADDRESS(V) (*var_len = sizeof(struct in6_addr), (uint8_t *)&V)
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extern int smux_enabled(void);
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extern void smux_init(struct thread_master *tm);
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extern void smux_agentx_enable(void);
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extern void smux_register_mib(const char *, struct variable *, size_t, int,
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oid[], size_t);
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extern int smux_header_generic(struct variable *, oid[], size_t *, int,
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size_t *, WriteMethod **);
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extern int smux_header_table(struct variable *, oid *, size_t *, int, size_t *,
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WriteMethod **);
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/* For traps, three OID are provided:
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1. The enterprise OID to use (the last argument will be appended to
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it to form the SNMP trap OID)
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2. The base OID for objects to be sent in traps.
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3. The index OID for objects to be sent in traps. This index is used
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to designate a particular instance of a column.
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The provided trap object contains the bindings to be sent with the
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trap. The base OID will be prefixed to the provided OID and, if the
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length is positive, the requested OID is assumed to be a columnar
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object and the index OID will be appended.
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The two first arguments are the MIB registry used to locate the trap
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objects.
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The use of the arguments may differ depending on the implementation
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used.
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*/
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extern void smux_trap(struct variable *, size_t, const oid *, size_t,
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const oid *, size_t, const oid *, size_t,
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const struct trap_object *, size_t, uint8_t);
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extern int smux_trap_multi_index(struct variable *vp, size_t vp_len,
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const oid *ename, size_t enamelen,
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const oid *name, size_t namelen,
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struct index_oid *iname, size_t index_len,
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const struct trap_object *trapobj,
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size_t trapobjlen, uint8_t sptrap);
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extern void smux_events_update(void);
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extern int oid_compare(const oid *, int, const oid *, int);
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extern void oid2in_addr(oid[], int, struct in_addr *);
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extern void oid2in6_addr(oid oid[], struct in6_addr *addr);
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extern void oid2int(oid oid[], int *dest);
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extern void *oid_copy(void *, const void *, size_t);
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extern void oid_copy_in_addr(oid[], const struct in_addr *);
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extern void oid_copy_in6_addr(oid[], const struct in6_addr *);
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extern void oid_copy_int(oid oid[], int *val);
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extern void oid2string(oid oid[], int len, char *string);
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extern void oid_copy_str(oid oid[], const char *string, int len);
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DECLARE_HOOK(agentx_enabled, (), ());
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZEBRA_SNMP_H */
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