| /** |
| * @file |
| * Management Information Base II (RFC1213) SNMP objects and functions. |
| */ |
| |
| /* |
| * Copyright (c) 2006 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. |
| * |
| * Author: Dirk Ziegelmeier <dziegel@gmx.de> |
| * Christiaan Simons <christiaan.simons@axon.tv> |
| */ |
| |
| #include "lwip/snmp.h" |
| #include "lwip/apps/snmp.h" |
| #include "lwip/apps/snmp_core.h" |
| #include "lwip/apps/snmp_mib2.h" |
| #include "lwip/apps/snmp_scalar.h" |
| |
| #if LWIP_SNMP && SNMP_LWIP_MIB2 |
| |
| #define MIB2_AUTH_TRAPS_ENABLED 1 |
| #define MIB2_AUTH_TRAPS_DISABLED 2 |
| |
| /* --- snmp .1.3.6.1.2.1.11 ----------------------------------------------------- */ |
| static s16_t |
| snmp_get_value(const struct snmp_scalar_array_node_def *node, void *value) |
| { |
| u32_t *uint_ptr = (u32_t *)value; |
| switch (node->oid) { |
| case 1: /* snmpInPkts */ |
| *uint_ptr = snmp_stats.inpkts; |
| break; |
| case 2: /* snmpOutPkts */ |
| *uint_ptr = snmp_stats.outpkts; |
| break; |
| case 3: /* snmpInBadVersions */ |
| *uint_ptr = snmp_stats.inbadversions; |
| break; |
| case 4: /* snmpInBadCommunityNames */ |
| *uint_ptr = snmp_stats.inbadcommunitynames; |
| break; |
| case 5: /* snmpInBadCommunityUses */ |
| *uint_ptr = snmp_stats.inbadcommunityuses; |
| break; |
| case 6: /* snmpInASNParseErrs */ |
| *uint_ptr = snmp_stats.inasnparseerrs; |
| break; |
| case 8: /* snmpInTooBigs */ |
| *uint_ptr = snmp_stats.intoobigs; |
| break; |
| case 9: /* snmpInNoSuchNames */ |
| *uint_ptr = snmp_stats.innosuchnames; |
| break; |
| case 10: /* snmpInBadValues */ |
| *uint_ptr = snmp_stats.inbadvalues; |
| break; |
| case 11: /* snmpInReadOnlys */ |
| *uint_ptr = snmp_stats.inreadonlys; |
| break; |
| case 12: /* snmpInGenErrs */ |
| *uint_ptr = snmp_stats.ingenerrs; |
| break; |
| case 13: /* snmpInTotalReqVars */ |
| *uint_ptr = snmp_stats.intotalreqvars; |
| break; |
| case 14: /* snmpInTotalSetVars */ |
| *uint_ptr = snmp_stats.intotalsetvars; |
| break; |
| case 15: /* snmpInGetRequests */ |
| *uint_ptr = snmp_stats.ingetrequests; |
| break; |
| case 16: /* snmpInGetNexts */ |
| *uint_ptr = snmp_stats.ingetnexts; |
| break; |
| case 17: /* snmpInSetRequests */ |
| *uint_ptr = snmp_stats.insetrequests; |
| break; |
| case 18: /* snmpInGetResponses */ |
| *uint_ptr = snmp_stats.ingetresponses; |
| break; |
| case 19: /* snmpInTraps */ |
| *uint_ptr = snmp_stats.intraps; |
| break; |
| case 20: /* snmpOutTooBigs */ |
| *uint_ptr = snmp_stats.outtoobigs; |
| break; |
| case 21: /* snmpOutNoSuchNames */ |
| *uint_ptr = snmp_stats.outnosuchnames; |
| break; |
| case 22: /* snmpOutBadValues */ |
| *uint_ptr = snmp_stats.outbadvalues; |
| break; |
| case 24: /* snmpOutGenErrs */ |
| *uint_ptr = snmp_stats.outgenerrs; |
| break; |
| case 25: /* snmpOutGetRequests */ |
| *uint_ptr = snmp_stats.outgetrequests; |
| break; |
| case 26: /* snmpOutGetNexts */ |
| *uint_ptr = snmp_stats.outgetnexts; |
| break; |
| case 27: /* snmpOutSetRequests */ |
| *uint_ptr = snmp_stats.outsetrequests; |
| break; |
| case 28: /* snmpOutGetResponses */ |
| *uint_ptr = snmp_stats.outgetresponses; |
| break; |
| case 29: /* snmpOutTraps */ |
| *uint_ptr = snmp_stats.outtraps; |
| break; |
| case 30: /* snmpEnableAuthenTraps */ |
| if (snmp_get_auth_traps_enabled() == SNMP_AUTH_TRAPS_DISABLED) { |
| *uint_ptr = MIB2_AUTH_TRAPS_DISABLED; |
| } else { |
| *uint_ptr = MIB2_AUTH_TRAPS_ENABLED; |
| } |
| break; |
| case 31: /* snmpSilentDrops */ |
| *uint_ptr = 0; /* not supported */ |
| break; |
| case 32: /* snmpProxyDrops */ |
| *uint_ptr = 0; /* not supported */ |
| break; |
| default: |
| LWIP_DEBUGF(SNMP_MIB_DEBUG, ("snmp_get_value(): unknown id: %"S32_F"\n", node->oid)); |
| return 0; |
| } |
| |
| return sizeof(*uint_ptr); |
| } |
| |
| static snmp_err_t |
| snmp_set_test(const struct snmp_scalar_array_node_def *node, u16_t len, void *value) |
| { |
| snmp_err_t ret = SNMP_ERR_WRONGVALUE; |
| LWIP_UNUSED_ARG(len); |
| |
| if (node->oid == 30) { |
| /* snmpEnableAuthenTraps */ |
| s32_t *sint_ptr = (s32_t *)value; |
| |
| /* we should have writable non-volatile mem here */ |
| if ((*sint_ptr == MIB2_AUTH_TRAPS_DISABLED) || (*sint_ptr == MIB2_AUTH_TRAPS_ENABLED)) { |
| ret = SNMP_ERR_NOERROR; |
| } |
| } |
| return ret; |
| } |
| |
| static snmp_err_t |
| snmp_set_value(const struct snmp_scalar_array_node_def *node, u16_t len, void *value) |
| { |
| LWIP_UNUSED_ARG(len); |
| |
| if (node->oid == 30) { |
| /* snmpEnableAuthenTraps */ |
| s32_t *sint_ptr = (s32_t *)value; |
| if (*sint_ptr == MIB2_AUTH_TRAPS_DISABLED) { |
| snmp_set_auth_traps_enabled(SNMP_AUTH_TRAPS_DISABLED); |
| } else { |
| snmp_set_auth_traps_enabled(SNMP_AUTH_TRAPS_ENABLED); |
| } |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
| /* the following nodes access variables in SNMP stack (snmp_stats) from SNMP worker thread -> OK, no sync needed */ |
| static const struct snmp_scalar_array_node_def snmp_nodes[] = { |
| { 1, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInPkts */ |
| { 2, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutPkts */ |
| { 3, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadVersions */ |
| { 4, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadCommunityNames */ |
| { 5, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadCommunityUses */ |
| { 6, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInASNParseErrs */ |
| { 8, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTooBigs */ |
| { 9, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInNoSuchNames */ |
| {10, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadValues */ |
| {11, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInReadOnlys */ |
| {12, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGenErrs */ |
| {13, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTotalReqVars */ |
| {14, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTotalSetVars */ |
| {15, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetRequests */ |
| {16, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetNexts */ |
| {17, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInSetRequests */ |
| {18, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetResponses */ |
| {19, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTraps */ |
| {20, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutTooBigs */ |
| {21, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutNoSuchNames */ |
| {22, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutBadValues */ |
| {24, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGenErrs */ |
| {25, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetRequests */ |
| {26, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetNexts */ |
| {27, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutSetRequests */ |
| {28, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetResponses */ |
| {29, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutTraps */ |
| {30, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_WRITE}, /* snmpEnableAuthenTraps */ |
| {31, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpSilentDrops */ |
| {32, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY} /* snmpProxyDrops */ |
| }; |
| |
| const 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); |
| |
| #endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */ |