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/* $OpenBSD: snmp.h,v 1.17 2021/05/20 08:53:12 martijn Exp $ */
/*
* Copyright (c) 2007, 2008, 2012 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef SNMPD_SNMP_H
#define SNMPD_SNMP_H
#include <sys/types.h>
#include <endian.h>
/*
* SNMP IMSG interface
*/
#define SNMP_MAX_OID_STRLEN 128 /* max size of the OID _string_ */
enum snmp_type {
SNMP_IPADDR = 0,
SNMP_COUNTER32 = 1,
SNMP_GAUGE32 = 2,
SNMP_UNSIGNED32 = 2,
SNMP_TIMETICKS = 3,
SNMP_OPAQUE = 4,
SNMP_NSAPADDR = 5,
SNMP_COUNTER64 = 6,
SNMP_UINTEGER32 = 7,
SNMP_INTEGER32 = 100,
SNMP_BITSTRING = 101,
SNMP_OCTETSTRING = 102,
SNMP_NULL = 103,
SNMP_OBJECT = 104
};
enum snmp_imsg_ctl {
IMSG_SNMP_DUMMY = 1000, /* something that works everywhere */
IMSG_SNMP_ELEMENT,
IMSG_SNMP_END,
IMSG_SNMP_LOCK, /* enable restricted mode */
};
struct snmp_imsg_hdr {
u_int32_t imsg_type;
u_int16_t imsg_len;
u_int16_t imsg_flags;
u_int32_t imsg_peerid;
u_int32_t imsg_pid;
};
struct snmp_imsg {
char snmp_oid[SNMP_MAX_OID_STRLEN];
u_int8_t snmp_type;
u_int16_t snmp_len;
};
/*
* SNMP BER types
*/
enum snmp_version {
SNMP_V1 = 0,
SNMP_V2 = 1, /* SNMPv2c */
SNMP_V3 = 3
};
enum snmp_pdutype {
SNMP_C_GETREQ = 0,
SNMP_C_GETNEXTREQ = 1,
SNMP_C_GETRESP = 2,
SNMP_C_SETREQ = 3,
SNMP_C_TRAP = 4,
/* SNMPv2 */
SNMP_C_GETBULKREQ = 5,
SNMP_C_INFORMREQ = 6,
SNMP_C_TRAPV2 = 7,
SNMP_C_REPORT = 8
};
enum snmp_application {
SNMP_T_IPADDR = 0,
SNMP_T_COUNTER32 = 1,
SNMP_T_GAUGE32 = 2,
SNMP_T_UNSIGNED32 = 2,
SNMP_T_TIMETICKS = 3,
SNMP_T_OPAQUE = 4,
SNMP_T_NSAPADDR = 5,
SNMP_T_COUNTER64 = 6,
SNMP_T_UINTEGER32 = 7
};
enum snmp_generic_trap {
SNMP_TRAP_COLDSTART = 0,
SNMP_TRAP_WARMSTART = 1,
SNMP_TRAP_LINKDOWN = 2,
SNMP_TRAP_LINKUP = 3,
SNMP_TRAP_AUTHFAILURE = 4,
SNMP_TRAP_EGPNEIGHLOSS = 5,
SNMP_TRAP_ENTERPRISE = 6
};
enum snmp_error {
SNMP_ERROR_NONE = 0,
SNMP_ERROR_TOOBIG = 1,
SNMP_ERROR_NOSUCHNAME = 2,
SNMP_ERROR_BADVALUE = 3,
SNMP_ERROR_READONLY = 4,
SNMP_ERROR_GENERR = 5,
/* SNMPv2 */
SNMP_ERROR_NOACCESS = 6,
SNMP_ERROR_WRONGTYPE = 7,
SNMP_ERROR_WRONGLENGTH = 8,
SNMP_ERROR_WRONGENC = 9,
SNMP_ERROR_WRONGVALUE = 10,
SNMP_ERROR_NOCREATION = 11,
SNMP_ERROR_INCONVALUE = 12,
SNMP_ERROR_RESUNAVAIL = 13, /* EGAIN */
SNMP_ERROR_COMMITFAILED = 14,
SNMP_ERROR_UNDOFAILED = 15,
SNMP_ERROR_AUTHERROR = 16,
SNMP_ERROR_NOTWRITABLE = 17,
SNMP_ERROR_INCONNAME = 18
};
enum snmp_security_model {
SNMP_SEC_ANY = 0,
SNMP_SEC_SNMPv1 = 1,
SNMP_SEC_SNMPv2c = 2,
SNMP_SEC_USM = 3,
SNMP_SEC_TSM = 4
};
#define SNMP_MSGFLAG_AUTH 0x01
#define SNMP_MSGFLAG_PRIV 0x02
#define SNMP_MSGFLAG_SECMASK (SNMP_MSGFLAG_AUTH | SNMP_MSGFLAG_PRIV)
#define SNMP_MSGFLAG_REPORT 0x04
#define SNMP_MAX_TIMEWINDOW 150 /* RFC3414 */
#endif /* SNMPD_SNMP_H */
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