1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/**
* @file
* SNMP server main API - start and basic configuration
*/
/*
* Copyright (c) 2001, 2002 Leon Woestenberg <[email protected]>
* Copyright (c) 2001, 2002 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Leon Woestenberg <[email protected]>
* Martin Hentschel <[email protected]>
*
*/
#ifndef LWIP_HDR_APPS_SNMP_H
#define LWIP_HDR_APPS_SNMP_H
#include "lwip/apps/snmp_opts.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "lwip/err.h"
#include "lwip/apps/snmp_core.h"
/** SNMP variable binding descriptor (publically needed for traps) */
struct snmp_varbind
{
/** pointer to next varbind, NULL for last in list */
struct snmp_varbind *next;
/** pointer to previous varbind, NULL for first in list */
struct snmp_varbind *prev;
/** object identifier */
struct snmp_obj_id oid;
/** value ASN1 type */
u8_t type;
/** object value length */
u16_t value_len;
/** object value */
void *value;
};
/**
* @ingroup snmp_core
* Agent setup, start listening to port 161.
*/
void snmp_init(void);
void snmp_set_mibs(const struct snmp_mib **mibs, u8_t num_mibs);
void snmp_set_device_enterprise_oid(const struct snmp_obj_id* device_enterprise_oid);
const struct snmp_obj_id* snmp_get_device_enterprise_oid(void);
void snmp_trap_dst_enable(u8_t dst_idx, u8_t enable);
void snmp_trap_dst_ip_set(u8_t dst_idx, const ip_addr_t *dst);
/** Generic trap: cold start */
#define SNMP_GENTRAP_COLDSTART 0
/** Generic trap: warm start */
#define SNMP_GENTRAP_WARMSTART 1
/** Generic trap: link down */
#define SNMP_GENTRAP_LINKDOWN 2
/** Generic trap: link up */
#define SNMP_GENTRAP_LINKUP 3
/** Generic trap: authentication failure */
#define SNMP_GENTRAP_AUTH_FAILURE 4
/** Generic trap: EGP neighbor lost */
#define SNMP_GENTRAP_EGP_NEIGHBOR_LOSS 5
/** Generic trap: enterprise specific */
#define SNMP_GENTRAP_ENTERPRISE_SPECIFIC 6
err_t snmp_send_trap_generic(s32_t generic_trap);
err_t snmp_send_trap_specific(s32_t specific_trap, struct snmp_varbind *varbinds);
err_t snmp_send_trap(const struct snmp_obj_id* oid, s32_t generic_trap, s32_t specific_trap, struct snmp_varbind *varbinds);
#define SNMP_AUTH_TRAPS_DISABLED 0
#define SNMP_AUTH_TRAPS_ENABLED 1
void snmp_set_auth_traps_enabled(u8_t enable);
u8_t snmp_get_auth_traps_enabled(void);
const char * snmp_get_community(void);
const char * snmp_get_community_write(void);
const char * snmp_get_community_trap(void);
void snmp_set_community(const char * const community);
void snmp_set_community_write(const char * const community);
void snmp_set_community_trap(const char * const community);
void snmp_coldstart_trap(void);
void snmp_authfail_trap(void);
typedef void (*snmp_write_callback_fct)(const u32_t* oid, u8_t oid_len, void* callback_arg);
void snmp_set_write_callback(snmp_write_callback_fct write_callback, void* callback_arg);
#endif /* LWIP_SNMP */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_SNMP_H */
|