Deleted Added
sdiff udiff text old ( 133212 ) new ( 216294 )
full compact
snmp.h (133212) snmp.h (216294)
1/*
2 * Copyright (c) 2001-2003
3 * Fraunhofer Institute for Open Communication Systems (FhG Fokus).
4 * All rights reserved.
5 *
6 * Author: Harti Brandt <harti@freebsd.org>
7 *
1/*
2 * Copyright (c) 2001-2003
3 * Fraunhofer Institute for Open Communication Systems (FhG Fokus).
4 * All rights reserved.
5 *
6 * Author: Harti Brandt <harti@freebsd.org>
7 *
8 * Copyright (c) 2010 The FreeBSD Foundation
9 * All rights reserved.
10 *
11 * Portions of this software were developed by Shteryana Sotirova Shopova
12 * under sponsorship from the FreeBSD Foundation.
13 *
14 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.

--- 14 unchanged lines hidden (view full) ---

30 *
31 * Header file for SNMP functions.
32 */
33#ifndef snmp_h_
34#define snmp_h_
35
36#include <sys/types.h>
37
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
17 * are met:
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.

--- 14 unchanged lines hidden (view full) ---

37 *
38 * Header file for SNMP functions.
39 */
40#ifndef snmp_h_
41#define snmp_h_
42
43#include <sys/types.h>
44
38#define SNMP_COMMUNITY_MAXLEN 128
39#define SNMP_MAX_BINDINGS 100
45#define SNMP_COMMUNITY_MAXLEN 128
46#define SNMP_MAX_BINDINGS 100
47#define SNMP_CONTEXT_NAME_SIZ (32 + 1)
48#define SNMP_ENGINE_ID_SIZ 32
49#define SNMP_TIME_WINDOW 150
40
41enum snmp_syntax {
42 SNMP_SYNTAX_NULL = 0,
43 SNMP_SYNTAX_INTEGER, /* == INTEGER32 */
44 SNMP_SYNTAX_OCTETSTRING,
45 SNMP_SYNTAX_OID,
46 SNMP_SYNTAX_IPADDRESS,
47 SNMP_SYNTAX_COUNTER,

--- 22 unchanged lines hidden (view full) ---

70 unsigned32, timeticks */
71 uint64_t counter64;
72 } v;
73};
74
75enum snmp_version {
76 SNMP_Verr = 0,
77 SNMP_V1 = 1,
50
51enum snmp_syntax {
52 SNMP_SYNTAX_NULL = 0,
53 SNMP_SYNTAX_INTEGER, /* == INTEGER32 */
54 SNMP_SYNTAX_OCTETSTRING,
55 SNMP_SYNTAX_OID,
56 SNMP_SYNTAX_IPADDRESS,
57 SNMP_SYNTAX_COUNTER,

--- 22 unchanged lines hidden (view full) ---

80 unsigned32, timeticks */
81 uint64_t counter64;
82 } v;
83};
84
85enum snmp_version {
86 SNMP_Verr = 0,
87 SNMP_V1 = 1,
78 SNMP_V2c,
88 SNMP_V2c = 2,
89 SNMP_V3,
79};
80
90};
91
92#define SNMP_ADM_STR32_SIZ (32 + 1)
93#define SNMP_AUTH_KEY_SIZ 40
94#define SNMP_PRIV_KEY_SIZ 32
95#define SNMP_USM_AUTH_SIZE 12
96#define SNMP_USM_PRIV_SIZE 8
97#define SNMP_AUTH_HMACMD5_KEY_SIZ 16
98#define SNMP_AUTH_HMACSHA_KEY_SIZ 20
99#define SNMP_PRIV_AES_KEY_SIZ 16
100#define SNMP_PRIV_DES_KEY_SIZ 8
101
102
103enum snmp_secmodel {
104 SNMP_SECMODEL_ANY = 0,
105 SNMP_SECMODEL_SNMPv1 = 1,
106 SNMP_SECMODEL_SNMPv2c = 2,
107 SNMP_SECMODEL_USM = 3,
108 SNMP_SECMODEL_UNKNOWN
109};
110
111enum snmp_usm_level {
112 SNMP_noAuthNoPriv = 1,
113 SNMP_authNoPriv = 2,
114 SNMP_authPriv = 3
115};
116
117enum snmp_authentication {
118 SNMP_AUTH_NOAUTH = 0,
119 SNMP_AUTH_HMAC_MD5,
120 SNMP_AUTH_HMAC_SHA
121};
122
123enum snmp_privacy {
124 SNMP_PRIV_NOPRIV = 0,
125 SNMP_PRIV_DES = 1,
126 SNMP_PRIV_AES
127};
128
129struct snmp_engine {
130 uint8_t engine_id[SNMP_ENGINE_ID_SIZ];
131 uint32_t engine_len;
132 int32_t engine_boots;
133 int32_t engine_time;
134 int32_t max_msg_size;
135};
136
137struct snmp_user {
138 char sec_name[SNMP_ADM_STR32_SIZ];
139 enum snmp_authentication auth_proto;
140 enum snmp_privacy priv_proto;
141 uint8_t auth_key[SNMP_AUTH_KEY_SIZ];
142 uint8_t priv_key[SNMP_PRIV_KEY_SIZ];
143};
144
81struct snmp_pdu {
145struct snmp_pdu {
82 char community[SNMP_COMMUNITY_MAXLEN + 1];
83 enum snmp_version version;
84 u_int type;
146 char community[SNMP_COMMUNITY_MAXLEN + 1];
147 enum snmp_version version;
148 u_int type;
85
149
150 /* SNMPv3 PDU header fields */
151 int32_t identifier;
152 uint8_t flags;
153 int32_t security_model;
154 struct snmp_engine engine;
155
156 /* Associated USM user parameters */
157 struct snmp_user user;
158 uint8_t msg_digest[SNMP_USM_AUTH_SIZE];
159 uint8_t msg_salt[SNMP_USM_PRIV_SIZE];
160
161 /* View-based Access Model */
162 /* XXX: put in separate structure - conflicts with struct snmp_context */
163 uint32_t context_engine_len;
164 uint8_t context_engine[SNMP_ENGINE_ID_SIZ];
165 char context_name[SNMP_CONTEXT_NAME_SIZ];
166
86 /* trap only */
167 /* trap only */
87 struct asn_oid enterprise;
88 u_char agent_addr[4];
89 int32_t generic_trap;
90 int32_t specific_trap;
91 uint32_t time_stamp;
168 struct asn_oid enterprise;
169 u_char agent_addr[4];
170 int32_t generic_trap;
171 int32_t specific_trap;
172 uint32_t time_stamp;
92
93 /* others */
173
174 /* others */
94 int32_t request_id;
95 int32_t error_status;
96 int32_t error_index;
175 int32_t request_id;
176 int32_t error_status;
177 int32_t error_index;
97
98 /* fixes for encoding */
178
179 /* fixes for encoding */
99 u_char *outer_ptr;
100 u_char *pdu_ptr;
101 u_char *vars_ptr;
180 size_t outer_len;
181 size_t scoped_len;
182 u_char *outer_ptr;
183 u_char *digest_ptr;
184 u_char *encrypted_ptr;
185 u_char *scoped_ptr;
186 u_char *pdu_ptr;
187 u_char *vars_ptr;
102
188
103 struct snmp_value bindings[SNMP_MAX_BINDINGS];
104 u_int nbindings;
189
190 struct snmp_value bindings[SNMP_MAX_BINDINGS];
191 u_int nbindings;
105};
106#define snmp_v1_pdu snmp_pdu
107
108#define SNMP_PDU_GET 0
109#define SNMP_PDU_GETNEXT 1
110#define SNMP_PDU_RESPONSE 2
111#define SNMP_PDU_SET 3
112#define SNMP_PDU_TRAP 4 /* v1 */

--- 32 unchanged lines hidden (view full) ---

145
146enum snmp_code {
147 SNMP_CODE_OK = 0,
148 SNMP_CODE_FAILED,
149 SNMP_CODE_BADVERS,
150 SNMP_CODE_BADLEN,
151 SNMP_CODE_BADENC,
152 SNMP_CODE_OORANGE,
192};
193#define snmp_v1_pdu snmp_pdu
194
195#define SNMP_PDU_GET 0
196#define SNMP_PDU_GETNEXT 1
197#define SNMP_PDU_RESPONSE 2
198#define SNMP_PDU_SET 3
199#define SNMP_PDU_TRAP 4 /* v1 */

--- 32 unchanged lines hidden (view full) ---

232
233enum snmp_code {
234 SNMP_CODE_OK = 0,
235 SNMP_CODE_FAILED,
236 SNMP_CODE_BADVERS,
237 SNMP_CODE_BADLEN,
238 SNMP_CODE_BADENC,
239 SNMP_CODE_OORANGE,
240 SNMP_CODE_BADSECLEVEL,
241 SNMP_CODE_NOTINTIME,
242 SNMP_CODE_BADUSER,
243 SNMP_CODE_BADENGINE,
244 SNMP_CODE_BADDIGEST,
245 SNMP_CODE_EDECRYPT
153};
154
246};
247
248#define SNMP_MSG_AUTH_FLAG 0x1
249#define SNMP_MSG_PRIV_FLAG 0x2
250#define SNMP_MSG_REPORT_FLAG 0x4
251#define SNMP_MSG_AUTODISCOVER 0x80
252
155void snmp_value_free(struct snmp_value *);
156int snmp_value_parse(const char *, enum snmp_syntax, union snmp_values *);
157int snmp_value_copy(struct snmp_value *, const struct snmp_value *);
158
159void snmp_pdu_free(struct snmp_pdu *);
160enum snmp_code snmp_pdu_decode(struct asn_buf *b, struct snmp_pdu *pdu, int32_t *);
253void snmp_value_free(struct snmp_value *);
254int snmp_value_parse(const char *, enum snmp_syntax, union snmp_values *);
255int snmp_value_copy(struct snmp_value *, const struct snmp_value *);
256
257void snmp_pdu_free(struct snmp_pdu *);
258enum snmp_code snmp_pdu_decode(struct asn_buf *b, struct snmp_pdu *pdu, int32_t *);
161enum snmp_code snmp_pdu_encode(struct snmp_pdu *pdu, struct asn_buf *resp_b);
259enum snmp_code snmp_pdu_decode_header(struct asn_buf *, struct snmp_pdu *);
260enum snmp_code snmp_pdu_decode_scoped(struct asn_buf *, struct snmp_pdu *, int32_t *);
261enum snmp_code snmp_pdu_encode(struct snmp_pdu *, struct asn_buf *);
262enum snmp_code snmp_pdu_decode_secmode(struct asn_buf *, struct snmp_pdu *);
162
163int snmp_pdu_snoop(const struct asn_buf *);
164
165void snmp_pdu_dump(const struct snmp_pdu *pdu);
166
263
264int snmp_pdu_snoop(const struct asn_buf *);
265
266void snmp_pdu_dump(const struct snmp_pdu *pdu);
267
268enum snmp_code snmp_passwd_to_keys(struct snmp_user *, char *);
269enum snmp_code snmp_get_local_keys(struct snmp_user *, uint8_t *, uint32_t);
270enum snmp_code snmp_calc_keychange(struct snmp_user *, uint8_t *);
271
167extern void (*snmp_error)(const char *, ...);
168extern void (*snmp_printf)(const char *, ...);
169
170#define TRUTH_MK(F) ((F) ? 1 : 2)
171#define TRUTH_GET(T) (((T) == 1) ? 1 : 0)
172#define TRUTH_OK(T) ((T) == 1 || (T) == 2)
173
174#endif
272extern void (*snmp_error)(const char *, ...);
273extern void (*snmp_printf)(const char *, ...);
274
275#define TRUTH_MK(F) ((F) ? 1 : 2)
276#define TRUTH_GET(T) (((T) == 1) ? 1 : 0)
277#define TRUTH_OK(T) ((T) == 1 || (T) == 2)
278
279#endif