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718e3744 | 1 | /* SNMP support |
2 | * Copyright (C) 1999 Kunihiro Ishiguro <kunihiro@zebra.org> | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #ifndef _ZEBRA_SNMP_H | |
22 | #define _ZEBRA_SNMP_H | |
23 | ||
3a4c9688 VB |
24 | #include <net-snmp/agent/net-snmp-agent-includes.h> |
25 | #include <net-snmp/agent/snmp_vars.h> | |
718e3744 | 26 | |
1cc5e682 | 27 | #include "thread.h" |
ec48460e | 28 | #include "hook.h" |
1cc5e682 | 29 | |
5e244469 RW |
30 | #ifdef __cplusplus |
31 | extern "C" { | |
32 | #endif | |
33 | ||
718e3744 | 34 | /* Structures here are mostly compatible with UCD SNMP 4.1.1 */ |
35 | #define MATCH_FAILED (-1) | |
36 | #define MATCH_SUCCEEDED 0 | |
37 | ||
38 | /* SYNTAX TruthValue from SNMPv2-TC. */ | |
39 | #define SNMP_TRUE 1 | |
40 | #define SNMP_FALSE 2 | |
41 | ||
42 | /* SYNTAX RowStatus from SNMPv2-TC. */ | |
43 | #define SNMP_VALID 1 | |
44 | #define SNMP_INVALID 2 | |
45 | ||
46 | #define IN_ADDR_SIZE sizeof(struct in_addr) | |
47 | ||
8902dba6 PR |
48 | /* IANAipRouteProtocol */ |
49 | #define IANAIPROUTEPROTOCOLOTHER 1 | |
50 | #define IANAIPROUTEPROTOCOLLOCAL 2 | |
51 | #define IANAIPROUTEPROTOCOLNETMGMT 3 | |
52 | #define IANAIPROUTEPROTOCOLICMP 4 | |
53 | #define IANAIPROUTEPROTOCOLEGP 5 | |
54 | #define IANAIPROUTEPROTOCOLGGP 6 | |
55 | #define IANAIPROUTEPROTOCOLHELLO 7 | |
56 | #define IANAIPROUTEPROTOCOLRIP 8 | |
57 | #define IANAIPROUTEPROTOCOLISIS 9 | |
58 | #define IANAIPROUTEPROTOCOLESIS 10 | |
59 | #define IANAIPROUTEPROTOCOLCISCOIGRP 11 | |
60 | #define IANAIPROUTEPROTOCOLBBNSPFIGP 12 | |
61 | #define IANAIPROUTEPROTOCOLOSPF 13 | |
62 | #define IANAIPROUTEPROTOCOLBGP 14 | |
63 | #define IANAIPROUTEPROTOCOLIDPR 15 | |
64 | #define IANAIPROUTEPROTOCOLCISCOEIGRP 16 | |
65 | #define IANAIPROUTEPROTOCOLDVMRP 17 | |
62e66e55 PR |
66 | |
67 | #define INETADDRESSTYPEUNKNOWN 0 | |
68 | #define INETADDRESSTYPEIPV4 1 | |
69 | #define INETADDRESSTYPEIPV6 2 | |
70 | ||
3a4c9688 | 71 | #undef REGISTER_MIB |
d62a17ae | 72 | #define REGISTER_MIB(descr, var, vartype, theoid) \ |
73 | smux_register_mib(descr, (struct variable *)var, \ | |
74 | sizeof(struct vartype), \ | |
75 | sizeof(var) / sizeof(struct vartype), theoid, \ | |
76 | sizeof(theoid) / sizeof(oid)) | |
77 | ||
78 | struct trap_object { | |
79 | int namelen; /* Negative if the object is not indexed */ | |
80 | oid name[MAX_OID_LEN]; | |
718e3744 | 81 | }; |
82 | ||
4eb8c74f PR |
83 | struct index_oid { |
84 | int indexlen; | |
85 | oid indexname[MAX_OID_LEN]; | |
86 | }; | |
718e3744 | 87 | /* Declare SMUX return value. */ |
d62a17ae | 88 | #define SNMP_LOCAL_VARIABLES \ |
89 | static long snmp_int_val __attribute__((unused)); \ | |
90 | static struct in_addr snmp_in_addr_val __attribute__((unused)); | |
834182ba | 91 | static uint8_t snmp_octet_val __attribute__((unused)); |
d62a17ae | 92 | #define SNMP_INTEGER(V) \ |
93 | (*var_len = sizeof(snmp_int_val), snmp_int_val = V, \ | |
d7c0a89a | 94 | (uint8_t *)&snmp_int_val) |
d62a17ae | 95 | |
834182ba PR |
96 | #define SNMP_OCTET(V) \ |
97 | (*var_len = sizeof(snmp_octet_val), snmp_octet_val = V, \ | |
98 | (uint8_t *)&snmp_octet_val) | |
99 | ||
d62a17ae | 100 | #define SNMP_IPADDRESS(V) \ |
101 | (*var_len = sizeof(struct in_addr), snmp_in_addr_val = V, \ | |
d7c0a89a | 102 | (uint8_t *)&snmp_in_addr_val) |
d62a17ae | 103 | |
8902dba6 PR |
104 | #define SNMP_IP6ADDRESS(V) (*var_len = sizeof(struct in6_addr), (uint8_t *)&V) |
105 | ||
1ee746d9 | 106 | extern int smux_enabled(void); |
107 | ||
d62a17ae | 108 | extern void smux_init(struct thread_master *tm); |
ec48460e | 109 | extern void smux_agentx_enable(void); |
d62a17ae | 110 | extern void smux_register_mib(const char *, struct variable *, size_t, int, |
111 | oid[], size_t); | |
112 | extern int smux_header_generic(struct variable *, oid[], size_t *, int, | |
113 | size_t *, WriteMethod **); | |
114 | extern int smux_header_table(struct variable *, oid *, size_t *, int, size_t *, | |
115 | WriteMethod **); | |
b7c0d065 VB |
116 | |
117 | /* For traps, three OID are provided: | |
118 | ||
119 | 1. The enterprise OID to use (the last argument will be appended to | |
120 | it to form the SNMP trap OID) | |
121 | ||
122 | 2. The base OID for objects to be sent in traps. | |
123 | ||
124 | 3. The index OID for objects to be sent in traps. This index is used | |
125 | to designate a particular instance of a column. | |
126 | ||
127 | The provided trap object contains the bindings to be sent with the | |
128 | trap. The base OID will be prefixed to the provided OID and, if the | |
129 | length is positive, the requested OID is assumed to be a columnar | |
130 | object and the index OID will be appended. | |
131 | ||
132 | The two first arguments are the MIB registry used to locate the trap | |
133 | objects. | |
134 | ||
135 | The use of the arguments may differ depending on the implementation | |
136 | used. | |
137 | */ | |
97e21b4b DS |
138 | extern void smux_trap(struct variable *, size_t, const oid *, size_t, |
139 | const oid *, size_t, const oid *, size_t, | |
140 | const struct trap_object *, size_t, uint8_t); | |
d62a17ae | 141 | |
4eb8c74f PR |
142 | extern int smux_trap_multi_index(struct variable *vp, size_t vp_len, |
143 | const oid *ename, size_t enamelen, | |
144 | const oid *name, size_t namelen, | |
145 | struct index_oid *iname, size_t index_len, | |
146 | const struct trap_object *trapobj, | |
147 | size_t trapobjlen, uint8_t sptrap); | |
1ee746d9 | 148 | |
149 | extern void smux_events_update(void); | |
d62a17ae | 150 | extern int oid_compare(const oid *, int, const oid *, int); |
151 | extern void oid2in_addr(oid[], int, struct in_addr *); | |
5a224c19 | 152 | extern void oid2in6_addr(oid oid[], struct in6_addr *addr); |
4f13e83d | 153 | extern void oid2int(oid oid[], int *dest); |
d62a17ae | 154 | extern void *oid_copy(void *, const void *, size_t); |
9e263221 PR |
155 | extern void oid_copy_in_addr(oid[], const struct in_addr *); |
156 | extern void oid_copy_in6_addr(oid[], const struct in6_addr *); | |
4f13e83d | 157 | extern void oid_copy_int(oid oid[], int *val); |
0d020cd6 PR |
158 | extern void oid2string(oid oid[], int len, char *string); |
159 | extern void oid_copy_str(oid oid[], const char *string, int len); | |
718e3744 | 160 | |
8451921b | 161 | DECLARE_HOOK(agentx_enabled, (), ()); |
ec48460e | 162 | |
5e244469 RW |
163 | #ifdef __cplusplus |
164 | } | |
165 | #endif | |
166 | ||
718e3744 | 167 | #endif /* _ZEBRA_SNMP_H */ |