ReactOS 0.4.16-dev-814-g656a5dc
snmp_mib2_snmp.c
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1
6/*
7 * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 *
32 * Author: Dirk Ziegelmeier <dziegel@gmx.de>
33 * Christiaan Simons <christiaan.simons@axon.tv>
34 */
35
36#include "lwip/snmp.h"
37#include "lwip/apps/snmp.h"
38#include "lwip/apps/snmp_core.h"
39#include "lwip/apps/snmp_mib2.h"
40#include "lwip/apps/snmp_scalar.h"
41
42#if LWIP_SNMP && SNMP_LWIP_MIB2
43
44#define MIB2_AUTH_TRAPS_ENABLED 1
45#define MIB2_AUTH_TRAPS_DISABLED 2
46
47/* --- snmp .1.3.6.1.2.1.11 ----------------------------------------------------- */
48static s16_t
49snmp_get_value(const struct snmp_scalar_array_node_def *node, void *value)
50{
51 u32_t *uint_ptr = (u32_t *)value;
52 switch (node->oid) {
53 case 1: /* snmpInPkts */
54 *uint_ptr = snmp_stats.inpkts;
55 break;
56 case 2: /* snmpOutPkts */
57 *uint_ptr = snmp_stats.outpkts;
58 break;
59 case 3: /* snmpInBadVersions */
60 *uint_ptr = snmp_stats.inbadversions;
61 break;
62 case 4: /* snmpInBadCommunityNames */
63 *uint_ptr = snmp_stats.inbadcommunitynames;
64 break;
65 case 5: /* snmpInBadCommunityUses */
66 *uint_ptr = snmp_stats.inbadcommunityuses;
67 break;
68 case 6: /* snmpInASNParseErrs */
69 *uint_ptr = snmp_stats.inasnparseerrs;
70 break;
71 case 8: /* snmpInTooBigs */
72 *uint_ptr = snmp_stats.intoobigs;
73 break;
74 case 9: /* snmpInNoSuchNames */
75 *uint_ptr = snmp_stats.innosuchnames;
76 break;
77 case 10: /* snmpInBadValues */
78 *uint_ptr = snmp_stats.inbadvalues;
79 break;
80 case 11: /* snmpInReadOnlys */
81 *uint_ptr = snmp_stats.inreadonlys;
82 break;
83 case 12: /* snmpInGenErrs */
84 *uint_ptr = snmp_stats.ingenerrs;
85 break;
86 case 13: /* snmpInTotalReqVars */
87 *uint_ptr = snmp_stats.intotalreqvars;
88 break;
89 case 14: /* snmpInTotalSetVars */
90 *uint_ptr = snmp_stats.intotalsetvars;
91 break;
92 case 15: /* snmpInGetRequests */
93 *uint_ptr = snmp_stats.ingetrequests;
94 break;
95 case 16: /* snmpInGetNexts */
96 *uint_ptr = snmp_stats.ingetnexts;
97 break;
98 case 17: /* snmpInSetRequests */
99 *uint_ptr = snmp_stats.insetrequests;
100 break;
101 case 18: /* snmpInGetResponses */
102 *uint_ptr = snmp_stats.ingetresponses;
103 break;
104 case 19: /* snmpInTraps */
105 *uint_ptr = snmp_stats.intraps;
106 break;
107 case 20: /* snmpOutTooBigs */
108 *uint_ptr = snmp_stats.outtoobigs;
109 break;
110 case 21: /* snmpOutNoSuchNames */
111 *uint_ptr = snmp_stats.outnosuchnames;
112 break;
113 case 22: /* snmpOutBadValues */
114 *uint_ptr = snmp_stats.outbadvalues;
115 break;
116 case 24: /* snmpOutGenErrs */
117 *uint_ptr = snmp_stats.outgenerrs;
118 break;
119 case 25: /* snmpOutGetRequests */
120 *uint_ptr = snmp_stats.outgetrequests;
121 break;
122 case 26: /* snmpOutGetNexts */
123 *uint_ptr = snmp_stats.outgetnexts;
124 break;
125 case 27: /* snmpOutSetRequests */
126 *uint_ptr = snmp_stats.outsetrequests;
127 break;
128 case 28: /* snmpOutGetResponses */
129 *uint_ptr = snmp_stats.outgetresponses;
130 break;
131 case 29: /* snmpOutTraps */
132 *uint_ptr = snmp_stats.outtraps;
133 break;
134 case 30: /* snmpEnableAuthenTraps */
135 if (snmp_get_auth_traps_enabled() == SNMP_AUTH_TRAPS_DISABLED) {
136 *uint_ptr = MIB2_AUTH_TRAPS_DISABLED;
137 } else {
138 *uint_ptr = MIB2_AUTH_TRAPS_ENABLED;
139 }
140 break;
141 case 31: /* snmpSilentDrops */
142 *uint_ptr = 0; /* not supported */
143 break;
144 case 32: /* snmpProxyDrops */
145 *uint_ptr = 0; /* not supported */
146 break;
147 default:
148 LWIP_DEBUGF(SNMP_MIB_DEBUG, ("snmp_get_value(): unknown id: %"S32_F"\n", node->oid));
149 return 0;
150 }
151
152 return sizeof(*uint_ptr);
153}
154
155static snmp_err_t
156snmp_set_test(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
157{
158 snmp_err_t ret = SNMP_ERR_WRONGVALUE;
159 LWIP_UNUSED_ARG(len);
160
161 if (node->oid == 30) {
162 /* snmpEnableAuthenTraps */
163 s32_t *sint_ptr = (s32_t *)value;
164
165 /* we should have writable non-volatile mem here */
166 if ((*sint_ptr == MIB2_AUTH_TRAPS_DISABLED) || (*sint_ptr == MIB2_AUTH_TRAPS_ENABLED)) {
167 ret = SNMP_ERR_NOERROR;
168 }
169 }
170 return ret;
171}
172
173static snmp_err_t
174snmp_set_value(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
175{
176 LWIP_UNUSED_ARG(len);
177
178 if (node->oid == 30) {
179 /* snmpEnableAuthenTraps */
180 s32_t *sint_ptr = (s32_t *)value;
181 if (*sint_ptr == MIB2_AUTH_TRAPS_DISABLED) {
182 snmp_set_auth_traps_enabled(SNMP_AUTH_TRAPS_DISABLED);
183 } else {
184 snmp_set_auth_traps_enabled(SNMP_AUTH_TRAPS_ENABLED);
185 }
186 }
187
188 return SNMP_ERR_NOERROR;
189}
190
191/* the following nodes access variables in SNMP stack (snmp_stats) from SNMP worker thread -> OK, no sync needed */
192static const struct snmp_scalar_array_node_def snmp_nodes[] = {
193 { 1, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInPkts */
194 { 2, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutPkts */
195 { 3, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadVersions */
196 { 4, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadCommunityNames */
197 { 5, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadCommunityUses */
198 { 6, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInASNParseErrs */
199 { 8, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTooBigs */
200 { 9, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInNoSuchNames */
201 {10, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadValues */
202 {11, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInReadOnlys */
203 {12, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGenErrs */
204 {13, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTotalReqVars */
205 {14, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTotalSetVars */
206 {15, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetRequests */
207 {16, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetNexts */
208 {17, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInSetRequests */
209 {18, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetResponses */
210 {19, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTraps */
211 {20, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutTooBigs */
212 {21, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutNoSuchNames */
213 {22, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutBadValues */
214 {24, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGenErrs */
215 {25, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetRequests */
216 {26, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetNexts */
217 {27, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutSetRequests */
218 {28, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetResponses */
219 {29, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutTraps */
220 {30, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_WRITE}, /* snmpEnableAuthenTraps */
221 {31, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpSilentDrops */
222 {32, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY} /* snmpProxyDrops */
223};
224
225const struct snmp_scalar_array_node snmp_mib2_snmp_root = SNMP_SCALAR_CREATE_ARRAY_NODE(11, snmp_nodes, snmp_get_value, snmp_set_test, snmp_set_value);
226
227#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */
S32_F
#define S32_F
Definition: cc.h:23
LWIP_DEBUGF
#define LWIP_DEBUGF(debug, message)
Definition: debug.h:158
len
GLenum GLsizei len
Definition: glext.h:6722
s32_t
int32_t s32_t
Definition: arch.h:130
u32_t
uint32_t u32_t
Definition: arch.h:129
LWIP_UNUSED_ARG
#define LWIP_UNUSED_ARG(x)
Definition: arch.h:373
u16_t
uint16_t u16_t
Definition: arch.h:127
s16_t
int16_t s16_t
Definition: arch.h:128
SNMP_MIB_DEBUG
#define SNMP_MIB_DEBUG
Definition: snmp_opts.h:213
snmp_core.h
snmp_mib2.h
snmp_scalar.h
node
Definition: dlist.c:348
value
Definition: pdh_main.c:94
ret
int ret
Definition: wcstombs-tests.c:31