153 lines
4.4 KiB
C
153 lines
4.4 KiB
C
/*
|
|
* Copyright (c) 2001-2003
|
|
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
|
|
* All rights reserved.
|
|
*
|
|
* Author: Harti Brandt <harti@freebsd.org>
|
|
*
|
|
* Redistribution 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 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND 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 AUTHOR OR 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/lib/snmpagent.h,v 1.13 2004/08/06 08:46:56 brandt Exp $
|
|
*
|
|
* Header file for SNMP functions. This requires snmp.h to be included.
|
|
*/
|
|
#ifndef snmp_agent_h_
|
|
#define snmp_agent_h_
|
|
|
|
struct snmp_dependency;
|
|
|
|
enum snmp_ret {
|
|
/* OK, generate a response */
|
|
SNMP_RET_OK = 0,
|
|
/* Error, ignore packet (no response) */
|
|
SNMP_RET_IGN = 1,
|
|
/* Error, generate response from original packet */
|
|
SNMP_RET_ERR = 2
|
|
};
|
|
|
|
/* Semi-Opaque object for SET operations */
|
|
struct snmp_context {
|
|
u_int var_index;
|
|
struct snmp_scratch *scratch;
|
|
struct snmp_dependency *dep;
|
|
void *data; /* user data */
|
|
enum snmp_ret code; /* return code */
|
|
};
|
|
|
|
struct snmp_scratch {
|
|
void *ptr1;
|
|
void *ptr2;
|
|
uint32_t int1;
|
|
uint32_t int2;
|
|
};
|
|
|
|
enum snmp_depop {
|
|
SNMP_DEPOP_COMMIT,
|
|
SNMP_DEPOP_ROLLBACK,
|
|
SNMP_DEPOP_FINISH
|
|
};
|
|
|
|
typedef int (*snmp_depop_t)(struct snmp_context *, struct snmp_dependency *,
|
|
enum snmp_depop);
|
|
|
|
struct snmp_dependency {
|
|
struct asn_oid obj;
|
|
struct asn_oid idx;
|
|
};
|
|
|
|
/*
|
|
* The TREE
|
|
*/
|
|
enum snmp_node_type {
|
|
SNMP_NODE_LEAF = 1,
|
|
SNMP_NODE_COLUMN
|
|
};
|
|
|
|
enum snmp_op {
|
|
SNMP_OP_GET = 1,
|
|
SNMP_OP_GETNEXT,
|
|
SNMP_OP_SET,
|
|
SNMP_OP_COMMIT,
|
|
SNMP_OP_ROLLBACK,
|
|
};
|
|
|
|
typedef int (*snmp_op_t)(struct snmp_context *, struct snmp_value *,
|
|
u_int, u_int, enum snmp_op);
|
|
|
|
struct snmp_node {
|
|
struct asn_oid oid;
|
|
const char *name; /* name of the leaf */
|
|
enum snmp_node_type type; /* type of this node */
|
|
enum snmp_syntax syntax;
|
|
snmp_op_t op;
|
|
u_int flags;
|
|
uint32_t index; /* index data */
|
|
void *data; /* application data */
|
|
void *tree_data; /* application data */
|
|
};
|
|
extern struct snmp_node *tree;
|
|
extern u_int tree_size;
|
|
|
|
#define SNMP_NODE_CANSET 0x0001 /* SET allowed */
|
|
|
|
#define SNMP_INDEXES_MAX 7
|
|
#define SNMP_INDEX_SHIFT 4
|
|
#define SNMP_INDEX_MASK 0xf
|
|
#define SNMP_INDEX_COUNT(V) ((V) & SNMP_INDEX_MASK)
|
|
#define SNMP_INDEX(V,I) \
|
|
(((V) >> (((I) + 1) * SNMP_INDEX_SHIFT)) & SNMP_INDEX_MASK)
|
|
|
|
enum {
|
|
SNMP_TRACE_GET = 0x00000001,
|
|
SNMP_TRACE_GETNEXT = 0x00000002,
|
|
SNMP_TRACE_SET = 0x00000004,
|
|
SNMP_TRACE_DEPEND = 0x00000008,
|
|
SNMP_TRACE_FIND = 0x00000010,
|
|
};
|
|
/* trace flag for the following functions */
|
|
extern u_int snmp_trace;
|
|
|
|
/* called to write the trace */
|
|
extern void (*snmp_debug)(const char *fmt, ...);
|
|
|
|
enum snmp_ret snmp_get(struct snmp_pdu *pdu, struct asn_buf *resp_b,
|
|
struct snmp_pdu *resp, void *);
|
|
enum snmp_ret snmp_getnext(struct snmp_pdu *pdu, struct asn_buf *resp_b,
|
|
struct snmp_pdu *resp, void *);
|
|
enum snmp_ret snmp_getbulk(struct snmp_pdu *pdu, struct asn_buf *resp_b,
|
|
struct snmp_pdu *resp, void *);
|
|
enum snmp_ret snmp_set(struct snmp_pdu *pdu, struct asn_buf *resp_b,
|
|
struct snmp_pdu *resp, void *);
|
|
|
|
enum snmp_ret snmp_make_errresp(const struct snmp_pdu *, struct asn_buf *,
|
|
struct asn_buf *);
|
|
|
|
struct snmp_dependency *snmp_dep_lookup(struct snmp_context *,
|
|
const struct asn_oid *, const struct asn_oid *, size_t, snmp_depop_t);
|
|
|
|
struct snmp_context *snmp_init_context(void);
|
|
int snmp_dep_commit(struct snmp_context *);
|
|
int snmp_dep_rollback(struct snmp_context *);
|
|
void snmp_dep_finish(struct snmp_context *);
|
|
|
|
#endif
|