Название: Net-SNMP, mib2c
Отправлено: demaker от Апрель 21, 2022, 13:02
Доброго дня! Кто-нибудь работал с net- snmp и генерил файлы с кодом с помощью утилиты mib2c?
Название: Re: Net-SNMP, mib2c
Отправлено: qtkoder777 от Апрель 21, 2022, 13:15
ИИ работал. Осваивайте кодогенератор на базе GPT-3.
Название: Re: Net-SNMP, mib2c
Отправлено: demaker от Апрель 21, 2022, 14:04
Есть мибовский файл. С помощью утилиты snmptranslate можно работать с oid. Не могу понять как с помощью mib2c сгенерить код. mib2c -c mib2c. mfd. conf что писать здесь?
Наименование таблицы, имя переменной, наименование идентификатора из mib - файла? Если указываю один из вышеперечисленных параметров, то выдается ошибка
This module can be used with tables, not branches or entire MIBs. Please specify and OID that is a table. (OID: имя папретра)
Название: Re: Net-SNMP, mib2c
Отправлено: tux от Апрель 22, 2022, 00:39
https://www.opennet.ru/man.shtml?topic=mib2c&category=1&russian=2
https://stackoverflow.com/questions/11131696/how-to-use-the-mib2c-command
Название: Re: Net-SNMP, mib2c
Отправлено: demaker от Апрель 22, 2022, 11:43
https://www.opennet.ru/man.shtml?topic=mib2c&category=1&russian=2
https://stackoverflow.com/questions/11131696/how-to-use-the-mib2c-command
MIB-file:
afdxSwitchLowBagValueLoopbackTestResult OBJECT-TYPE
SYNTAX INTEGER {
passed (1),
failed (2)
}
ACCESS read-only
STATUS current
DESCRIPTION
"The result of the Low Bag Value Loopback test executed on ground. The possible values are:
- passed (1),
- failed (2)."
::= { afdxSwitchPrivate 2 }
export MIBS="/home/robo/netsnmp/afdxswitch.mib"
Правильно ли выполняю работу с утилитой mib2c для переменной afdxSwitchTimestampCounterTestResult mib2c -c mib2c.scalar.conf afdxSwitchLowBagValueLoopbackTestResult
Так как в результате получаю с-файл C++ (Qt) #include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "afdxSwitchLowBagValueLoopbackTestResult.h"
/** Initializes the afdxSwitchLowBagValueLoopbackTestResult module */
void
init_afdxSwitchLowBagValueLoopbackTestResult(void)
{
const oid afdxSwitchLowBagValueLoopbackTestResult_oid[] = { 1,3,6,1,4,1,8419,11,1,2 };
DEBUGMSGTL(("afdxSwitchLowBagValueLoopbackTestResult", "Initializing\n"));
netsnmp_register_scalar(
netsnmp_create_handler_registration("afdxSwitchLowBagValueLoopbackTestResult", handle_afdxSwitchLowBagValueLoopbackTestResult,
afdxSwitchLowBagValueLoopbackTestResult_oid, OID_LENGTH(afdxSwitchLowBagValueLoopbackTestResult_oid),
HANDLER_CAN_RONLY
));
}
int
handle_afdxSwitchLowBagValueLoopbackTestResult(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
/* We are never called for a GETNEXT if it's registered as a
"instance", as it's "magically" handled for us. */
/* a instance handler also only hands us one request at a time, so
we don't need to loop over a list of requests; we'll only get one. */
switch(reqinfo->mode) {
case MODE_GET:
snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER,
//_____________Что с этим делать?_________________
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
/* XXX: a pointer to the scalar's data */,
/* XXX: the length of the data in bytes */);
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
break;
default:
/* we should never get here, so this is a really bad error */
snmp_log(LOG_ERR, "unknown mode (%d) in handle_afdxSwitchLowBagValueLoopbackTestResult\n", reqinfo->mode );
return SNMP_ERR_GENERR;
}
return SNMP_ERR_NOERROR;
}
И что я должен дописать вместо этого я не знаю /* XXX: a pointer to the scalar's data */,
/* XXX: the length of the data in bytes */
Название: Re: Net-SNMP, mib2c
Отправлено: tux от Апрель 22, 2022, 12:37
Так как в результате получаю с-файл
А что вы в результате хотели получить, если mib2c -- generate template code for extending the agent
Эта утилита просто генерирует заготовку, а чем вы её будете заполнять - ваше дело. И не забудьте повнимательнее прочесть документацию.
Название: Re: Net-SNMP, mib2c
Отправлено: qtkoder777 от Апрель 23, 2022, 04:13
А заполняет пусть ИИ. Натравите GPT-3 на эту заготовку.
Название: Re: Net-SNMP, mib2c
Отправлено: demaker от Апрель 24, 2022, 00:36
С mib2c вроде разобрались. Файлы .h .cpp - есть. Перенес файлы в /agent/mibgroup/ ./configure --with-mib-modules="name"
Запускаем агента cd /usr/local/sbin/
./snmpd
Запустил snmpget snmpget -v2c -c public localhost 1.3.6.1.4.1.8419.11.1.1
Timeout: No Response from localhost.
??? Смотрим лог-файл /var/log/snmp.log Warning: no access control information configured.
(Config search path: /usr/local/etc/snmp:/usr/local/share/snmp:/usr/local/lib/snmp:/home/evgen/.snmp)
It's unlikely this agent can serve any useful purpose in this state.
Run "snmpconf -g basic_setup" to help you configure the snmpd.conf file for this agent.
NET-SNMP version 5.9.1
Конфигурационный файл как я понял при запуске ./configure нахлдится /var/net-snmp/snmpd.conf Что в нем нужно прописать ???
Название: Re: Net-SNMP, mib2c
Отправлено: tux от Апрель 24, 2022, 13:59
https://www.opennet.ru/man.shtml?topic=snmpd.conf&category=5&russian=3
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-an-snmp-daemon-and-client-on-ubuntu-18-04-ru
Название: Re: Net-SNMP, mib2c
Отправлено: demaker от Апрель 29, 2022, 11:54
Не выполняется snmpget ??? ??? ??? snmpset -v2c -c public localhost .1.3.6.1.4.1.8419.11.1.1.0 = 5
Error in packet.
Reason: (genError) A general failure occured
Хотя snmpget, snmpwalk отрабатывают норм
snmpget -v2c -c public localhost .1.3.6.1.4.1.8419.11.1.1.0
AIRBUS-AFDX-SW-MIB::afdxSwitchEDACTestResult.0 = INTEGER: 10
snmpwalk -v2c -c public localhost .1.3.6.1.4.1.8419.11.1.1.0
AIRBUS-AFDX-SW-MIB::afdxSwitchEDACTestResult.0 = INTEGER: 10
В MIB-файле ACCESS read-write MIB - файл AIRBUS-AFDX-SW-MIB DEFINITIONS ::= BEGIN
IMPORTS enterprises, Counter, IpAddress, TimeTicks FROM RFC1155-SMI
TRAP-TYPE FROM RFC-1215
OBJECT-TYPE FROM RFC-1212;
collins-Avionics OBJECT IDENTIFIER ::= { enterprises 8419 }
AFDX OBJECT IDENTIFIER ::= { collins-Avionics 11 }
-- Groups in AIRBUS AFDX Switch MIB
afdxSwitchPrivate OBJECT IDENTIFIER ::= { AFDX 1 }
--
-- The afdxSwitchPrivate group
--
-- The afdxSwitchPrivate group contains objects related to the RC Switch
-- internal architecture.
--
afdxSwitchEDACTestResult OBJECT-TYPE
SYNTAX INTEGER {
passed (1),
failed (2)
}
ACCESS read-write
STATUS current
DESCRIPTION
"The result of the EDAC test executed on ground. The possible values are:
- passed (1),
- failed (2)."
::= { afdxSwitchPrivate 1 }
END
В конфиге rwcommunity public localhost файл /usr/local/share/snmpd.conf ###############################################################################
#
# EXAMPLE.conf:
# An example configuration file for configuring the Net-SNMP agent ('snmpd')
# See the 'snmpd.conf(5)' man page for details
#
# Some entries are deliberately commented out, and will need to be explicitly activated
#
###############################################################################
#
# AGENT BEHAVIOUR
#
# Listen for connections from the local system only
agentAddress udp:127.0.0.1:161
# Listen for connections on all interfaces (both IPv4 *and* IPv6)
#agentAddress udp:161,udp6:[::1]:161
###############################################################################
#
# SNMPv3 AUTHENTICATION
#
# Note that these particular settings don't actually belong here.
# They should be copied to the file /var/lib/snmp/snmpd.conf
# and the passwords changed, before being uncommented in that file *only*.
# Then restart the agent
# createUser authOnlyUser MD5 "remember to change this password"
# createUser authPrivUser SHA "remember to change this one too" DES
# createUser internalUser MD5 "this is only ever used internally, but still change the password"
# If you also change the usernames (which might be sensible),
# then remember to update the other occurances in this example config file to match.
###############################################################################
#
# ACCESS CONTROL
#
# system + hrSystem groups only
view systemonly included .1.3.6.1.2.1.1
view systemonly included .1.3.6.1.2.1.25.1
view all included .1
# Full access from the local host
#rocommunity public localhost
rwcommunity public localhost
# Default access to basic system info
rocommunity public default -V systemonly
# rocommunity6 is for IPv6
rocommunity6 public default -V systemonly
# Full access from an example network
# Adjust this network address to match your local
# settings, change the community string,
# and check the 'agentAddress' setting above
#rocommunity secret 10.0.0.0/16
# Full read-only access for SNMPv3
rouser authOnlyUser
# Full write access for encrypted requests
# Remember to activate the 'createUser' lines above
# rwuser authPrivUser priv
# It's no longer typically necessary to use the full 'com2sec/group/access' configuration
# r[ow]user and r[ow]community, together with suitable views, should cover most requirements
###############################################################################
#
# SYSTEM INFORMATION
#
# Note that setting these values here, results in the corresponding MIB objects being 'read-only'
# See snmpd.conf(5) for more details
sysLocation Sitting on the Dock of the Bay
sysContact Me <me@example.org>
# Application + End-to-End layers
sysServices 72
#
# Process Monitoring
#
# At least one 'mountd' process
proc mountd
# No more than 4 'ntalkd' processes - 0 is OK
proc ntalkd 4
# At least one 'sendmail' process, but no more than 10
proc sendmail 10 1
# Walk the UCD-SNMP-MIB::prTable to see the resulting output
# Note that this table will be empty if there are no "proc" entries in the snmpd.conf file
#
# Disk Monitoring
#
# 10MBs required on root disk, 5% free on /var, 10% free on all other disks
disk / 10000
disk /var 5%
includeAllDisks 10%
# Walk the UCD-SNMP-MIB::dskTable to see the resulting output
# Note that this table will be empty if there are no "disk" entries in the snmpd.conf file
#
# System Load
#
# Unacceptable 1-, 5-, and 15-minute load averages
load 12 10 5
# Walk the UCD-SNMP-MIB::laTable to see the resulting output
# Note that this table *will* be populated, even without a "load" entry in the snmpd.conf file
###############################################################################
#
# ACTIVE MONITORING
#
# send SNMPv1 traps
trapsink localhost public
# send SNMPv2c traps
#trap2sink localhost public
# send SNMPv2c INFORMs
#informsink localhost public
# Note that you typically only want *one* of these three lines
# Uncommenting two (or all three) will result in multiple copies of each notification.
#
# Event MIB - automatically generate alerts
#
# Remember to activate the 'createUser' lines above
iquerySecName internalUser
rouser internalUser
# generate traps on UCD error conditions
defaultMonitors yes
# generate traps on linkUp/Down
linkUpDownNotifications yes
###############################################################################
#
# EXTENDING THE AGENT
#
#
# Arbitrary extension commands
#
extend test1 /bin/echo Hello, world!
extend-sh test2 echo Hello, world! ; echo Hi there ; exit 35
#extend-sh test3 /bin/sh /tmp/shtest
# Note that this last entry requires the script '/tmp/shtest' to be created first,
# containing the same three shell commands, before the line is uncommented
# Walk the NET-SNMP-EXTEND-MIB tables (nsExtendConfigTable, nsExtendOutput1Table
# and nsExtendOutput2Table) to see the resulting output
# Note that the "extend" directive supercedes the previous "exec" and "sh" directives
# However, walking the UCD-SNMP-MIB::extTable should still returns the same output,
# as well as the fuller results in the above tables.
#
# "Pass-through" MIB extension command
#
#pass .1.3.6.1.4.1.8072.2.255 /bin/sh PREFIX/local/passtest
#pass .1.3.6.1.4.1.8072.2.255 /usr/bin/perl PREFIX/local/passtest.pl
# Note that this requires one of the two 'passtest' scripts to be installed first,
# before the appropriate line is uncommented.
# These scripts can be found in the 'local' directory of the source distribution,
# and are not installed automatically.
# Walk the NET-SNMP-PASS-MIB::netSnmpPassExamples subtree to see the resulting output
#
# AgentX Sub-agents
#
# Run as an AgentX master agent
master agentx
# Listen for network connections (from localhost)
# rather than the default named socket /var/agentx/master
#agentXSocket tcp:localhost:705
setserialno 462583681
##############################################################
#
# snmpNotifyFilterTable persistent data
#
##############################################################
engineBoots 28
oldEngineID 0x80001f888025d749712555646200000000
##############################################################
#
# ifXTable persistent data
#
ifXTable .1 14:0 18:0x $
ifXTable .2 14:0 18:0x $
ifXTable .3 14:0 18:0x $
##############################################################
Код обработчика агента C++ (Qt) /*
* Note: this file originally auto-generated by mib2c
* using mib2c.scalar.conf
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "collins_Avionics.h"
static u_char mydata = 10;
/** Initializes the collins_Avionics module */
void
init_collins_Avionics(void)
{
const oid afdxSwitchEDACTestResult_oid[] = { 1,3,6,1,4,1,8419,11,1,1 };
DEBUGMSGTL(("collins_Avionics", "Initializing\n"));
netsnmp_register_scalar(
netsnmp_create_handler_registration("afdxSwitchEDACTestResult", handle_afdxSwitchEDACTestResult,
afdxSwitchEDACTestResult_oid, OID_LENGTH(afdxSwitchEDACTestResult_oid),
HANDLER_CAN_RWRITE
));
}
int
handle_afdxSwitchEDACTestResult(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int ret;
/* We are never called for a GETNEXT if it's registered as a
"instance", as it's "magically" handled for us. */
/* a instance handler also only hands us one request at a time, so
we don't need to loop over a list of requests; we'll only get one. */
switch(reqinfo->mode) {
case MODE_GET: case MODE_GETNEXT:
snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER, &mydata
/* XXX: a pointer to the scalar's data */,
sizeof(mydata)
/* XXX: the length of the data in bytes */);
break;
/*
* SET REQUEST
*
* multiple states in the transaction. See:
* http://www.net-snmp.org/tutorial-5/toolkit/mib_module/set-actions.jpg
*/
//case MODE_SET_RESERVE1:
// /* or you could use netsnmp_check_vb_type_and_size instead */
// ret = netsnmp_check_vb_type(requests->requestvb, ASN_INTEGER);
// if ( ret != SNMP_ERR_NOERROR ) {
// netsnmp_set_request_error(reqinfo, requests, ret );
// }
// break;
//case MODE_SET_RESERVE2:
// /* XXX malloc "undo" storage buffer */
// if (/* XXX if malloc, or whatever, failed: */) {
// netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_RESOURCEUNAVAILABLE);
// }
// break;
//case MODE_SET_FREE:
// /* XXX: free resources allocated in RESERVE1 and/or
// RESERVE2. Something failed somewhere, and the states
// below won't be called. */
// break;
case MODE_SET_ACTION:
///* XXX: perform the value change here */
mydata = *(requests->requestvb->val.integer);
//if (/* XXX: error? */) {
// netsnmp_set_request_error(reqinfo, requests, /* some error */);
//}
break;
//case MODE_SET_COMMIT:
// /* XXX: delete temporary storage */
// if (/* XXX: error? */) {
// /* try _really_really_ hard to never get to this point */
// netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_COMMITFAILED);
// }
// break;
//case MODE_SET_UNDO:
// /* XXX: UNDO and return to previous value for the object */
// if (/* XXX: error? */) {
// /* try _really_really_ hard to never get to this point */
// netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_UNDOFAILED);
// }
// break;
default:
/* we should never get here, so this is a really bad error */
snmp_log(LOG_ERR, "unknown mode (%d) in handle_afdxSwitchEDACTestResult\n", reqinfo->mode );
return SNMP_ERR_GENERR;
}
return SNMP_ERR_NOERROR;
}
Подскажите где может быть загвоздка ??? ??? ???
Название: Re: Net-SNMP, mib2c(Решено)
Отправлено: demaker от Май 04, 2022, 15:38
:) Я зря закомментировал все case ::) кроме case MODE_SET_ACTION из-за этого и выдавалась ошибка C++ (Qt)
/*
* Note: this file originally auto-generated by mib2c
* using mib2c.scalar.conf
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "collins_Avionics.h"
static u_char mydata = 10;
/** Initializes the collins_Avionics module */
void
init_collins_Avionics(void)
{
const oid afdxSwitchEDACTestResult_oid[] = { 1,3,6,1,4,1,8419,11,1,1 };
DEBUGMSGTL(("collins_Avionics", "Initializing\n"));
netsnmp_register_scalar(
netsnmp_create_handler_registration("afdxSwitchEDACTestResult", handle_afdxSwitchEDACTestResult,
afdxSwitchEDACTestResult_oid, OID_LENGTH(afdxSwitchEDACTestResult_oid),
HANDLER_CAN_RWRITE
));
}
int
handle_afdxSwitchEDACTestResult(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int ret;
/* We are never called for a GETNEXT if it's registered as a
"instance", as it's "magically" handled for us. */
/* a instance handler also only hands us one request at a time, so
we don't need to loop over a list of requests; we'll only get one. */
switch(reqinfo->mode) {
case MODE_GET: case MODE_GETNEXT:
snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER, &mydata
/* XXX: a pointer to the scalar's data */,
sizeof(mydata)
/* XXX: the length of the data in bytes */);
break;
/*
* SET REQUEST
*
* multiple states in the transaction. See:
* http://www.net-snmp.org/tutorial-5/toolkit/mib_module/set-actions.jpg
*/
case MODE_SET_RESERVE1:
// /* or you could use netsnmp_check_vb_type_and_size instead */
// ret = netsnmp_check_vb_type(requests->requestvb, ASN_INTEGER);
// if ( ret != SNMP_ERR_NOERROR ) {
// netsnmp_set_request_error(reqinfo, requests, ret );
// }
break;
case MODE_SET_RESERVE2:
// /* XXX malloc "undo" storage buffer */
// if (/* XXX if malloc, or whatever, failed: */) {
// netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_RESOURCEUNAVAILABLE);
// }
break;
case MODE_SET_FREE:
// /* XXX: free resources allocated in RESERVE1 and/or
// RESERVE2. Something failed somewhere, and the states
// below won't be called. */
break;
case MODE_SET_ACTION:
///* XXX: perform the value change here */
mydata = *(requests->requestvb->val.integer);
//if (/* XXX: error? */) {
// netsnmp_set_request_error(reqinfo, requests, /* some error */);
//}
break;
case MODE_SET_COMMIT:
// /* XXX: delete temporary storage */
// if (/* XXX: error? */) {
// /* try _really_really_ hard to never get to this point */
// netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_COMMITFAILED);
// }
break;
case MODE_SET_UNDO:
// /* XXX: UNDO and return to previous value for the object */
// if (/* XXX: error? */) {
// /* try _really_really_ hard to never get to this point */
// netsnmp_set_request_error(reqinfo, requests, SNMP_ERR_UNDOFAILED);
// }
break;
default:
/* we should never get here, so this is a really bad error */
snmp_log(LOG_ERR, "unknown mode (%d) in handle_afdxSwitchEDACTestResult\n", reqinfo->mode );
return SNMP_ERR_GENERR;
}
return SNMP_ERR_NOERROR;
}
https://sourceforge-net.translate.goog/p/net-snmp/mailman/message/14633956/?_x_tr_sl=en&_x_tr_tl=ru&_x_tr_hl=ru&_x_tr_pto=sc
Название: Re: Net-SNMP, mib2c
Отправлено: demaker от Май 30, 2022, 23:15
И в довершении всего, хотелось бы понять как действовать ситуации когда тип составной(т.е состоит из нескольких параметров) или строка DPS-MIB-V38 DEFINITIONS ::= BEGIN
IMPORTS DisplayString FROM RFC1213-MIB
OBJECT-TYPE FROM RFC-1212
enterprises FROM RFC1155-SMI;
dpsInc OBJECT IDENTIFIER ::= {enterprises 2682}
dpsAlarmControl OBJECT IDENTIFIER ::= {dpsInc 1}
tmonXM OBJECT IDENTIFIER ::= {dpsAlarmControl 1}
tmonIdent OBJECT IDENTIFIER ::= {tmonXM 1}
tmonIdentManufacturer OBJECT-TYPE
SYNTAX DisplayString
ACCESS read-only
STATUS mandatory
DESCRIPTION “The TMON/XM Unit manufacturer.”
::= {tmonIdent 1}
В выше приведенном коде DisplayString FROM RFC1213-MIB является строковым типом DisplayString ::=
OCTET STRING
или составной тип AfdxRedundancyStatsEntry AIRBUS-AFDX-SW-MIB DEFINITIONS ::= BEGIN
IMPORTS enterprises, Counter, IpAddress, TimeTicks FROM RFC1155-SMI
TRAP-TYPE FROM RFC-1215
OBJECT-TYPE FROM RFC-1212;
...
...
afdxRedundancyStatsEntry OBJECT-TYPE
SYNTAX AfdxRedundancyStatsEntry
ACCESS read-only
STATUS mandatory
DESCRIPTION
"An entry in the redundancy Stats table"
INDEX { afdxRedundancyVLPortIndex, afdxRedundancyVLMacAddress}
::= { afdxRedundancyStatsTable 1 }
AfdxRedundancyStatsEntry ::= SEQUENCE {
afdxRedundancyVLPortIndex INTEGER,
afdxRedundancyVLMacAddress INTEGER,
afdxRedundancyVLIntegrityCheckError Counter,
afdxRedundancyVLFirstInFrames Counter
}
Список конфиг файлов mib2c.array-user.conf
mib2c.create-dataset.conf
mib2c.int_watch.conf
mib2c.iterate.conf
mib2c.iterate_access.conf
mib2c.mfd.conf
mib2c.notify.conf
mib2c.old-api.conf
mib2c.scalar.conf
Какой из конфиг-файлов можно или нужно использовать для кодогенерации mib2c??? Я так понимаю
|