From 2f24177c361ba4d9deba2d7378f84aa96111db80 Mon Sep 17 00:00:00 2001 From: elie Date: Mon, 14 Sep 2015 05:20:24 +0000 Subject: * synchronous oneliner apps redesigned to offer Python generator-based API along with a more comprehensive set of accepted parameters. * massively documented (in Sphinx, NumPy style) --- examples/v3arch/asyncore/manager/cmdgen/get-v3.py | 82 +++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 examples/v3arch/asyncore/manager/cmdgen/get-v3.py (limited to 'examples/v3arch/asyncore/manager/cmdgen/get-v3.py') diff --git a/examples/v3arch/asyncore/manager/cmdgen/get-v3.py b/examples/v3arch/asyncore/manager/cmdgen/get-v3.py new file mode 100644 index 0000000..f7ff4ee --- /dev/null +++ b/examples/v3arch/asyncore/manager/cmdgen/get-v3.py @@ -0,0 +1,82 @@ +""" +SNMPv3, auth: SHA, privacy: AES128 +++++++++++++++++++++++++++++++++++ + +Send a SNMP GET request +* with SNMPv3 with user 'usr-sha-aes', SHA auth and AES128 privacy protocols +* over IPv4/UDP +* to an Agent at 195.218.195.228:161 +* for an OID in tuple form + +This script performs similar to the following Net-SNMP command: + +| $ snmpget -v3 -l authPriv -u usr-sha-aes -a SHA -A authkey1 -x AES -X privkey1 -ObentU 195.218.195.228:161 1.3.6.1.2.1.1.1.0 + +"""# +from pysnmp.entity import engine, config +from pysnmp.carrier.asyncore.dgram import udp +from pysnmp.entity.rfc3413 import cmdgen + +# Create SNMP engine instance +snmpEngine = engine.SnmpEngine() + +# +# SNMPv3/USM setup +# + +# user: usr-sha-aes, auth: SHA, priv AES +config.addV3User( + snmpEngine, 'usr-sha-aes', + config.usmHMACSHAAuthProtocol, 'authkey1', + config.usmAesCfb128Protocol, 'privkey1' +) +config.addTargetParams(snmpEngine, 'my-creds', 'usr-sha-aes', 'authPriv') + +# +# Setup transport endpoint and bind it with security settings yielding +# a target name +# + +# UDP/IPv4 +config.addTransport( + snmpEngine, + udp.domainName, + udp.UdpSocketTransport().openClientMode() +) +config.addTargetAddr( + snmpEngine, 'my-router', + udp.domainName, ('195.218.195.228', 161), + 'my-creds' +) + +# Error/response receiver +def cbFun(snmpEngine, sendRequestHandle, errorIndication, + errorStatus, errorIndex, varBinds, cbCtx): + if errorIndication: + print(errorIndication) + elif errorStatus: + print('%s at %s' % ( + errorStatus.prettyPrint(), + errorIndex and varBinds[int(errorIndex)-1][0] or '?' + ) + ) + else: + for oid, val in varBinds: + print('%s = %s' % (oid.prettyPrint(), val.prettyPrint())) + +# Prepare and send a request message +cmdgen.GetCommandGenerator().sendVarBinds( + snmpEngine, + 'my-router', + None, '', # contextEngineId, contextName + [ ((1,3,6,1,2,1,1,1,0), None) ], + cbFun +) + +# Run I/O dispatcher which would send pending queries and process responses +snmpEngine.transportDispatcher.runDispatcher() + +config.delTransport( + snmpEngine, + udp.domainName +).closeTransport() -- cgit v1.2.1