diff options
Diffstat (limited to 'pysnmp/proto/secmod/rfc3414/service.py')
| -rw-r--r-- | pysnmp/proto/secmod/rfc3414/service.py | 81 |
1 files changed, 72 insertions, 9 deletions
diff --git a/pysnmp/proto/secmod/rfc3414/service.py b/pysnmp/proto/secmod/rfc3414/service.py index 545ed874..4ef7d748 100644 --- a/pysnmp/proto/secmod/rfc3414/service.py +++ b/pysnmp/proto/secmod/rfc3414/service.py @@ -250,8 +250,27 @@ class SnmpUSMSecurityModel(AbstractSecurityModel): usmUserPrivKeyLocalized = cachedSecurityData['usmUserPrivKeyLocalized'] else: usmUserPrivKeyLocalized = None + securityEngineID = snmpEngineID - debug.logger & debug.flagSM and debug.logger('__generateRequestOrResponseMsg: user info read from cache') + + debug.logger & debug.flagSM and debug.logger( + '__generateRequestOrResponseMsg: using cached USM user entry ' + 'usmUserName "%s" ' + 'usmUserSecurityName "%s" ' + 'usmUserAuthProtocol "%s" ' + 'usmUserAuthKeyLocalized "%s" ' + 'usmUserPrivProtocol "%s" ' + 'usmUserPrivKeyLocalized "%s" for ' + 'securityEngineID "%s" and securityName "%s" found by ' + 'securityStateReference "%s" ' % ( + usmUserName, usmUserSecurityName, + usmUserAuthProtocol, + usmUserAuthKeyLocalized.prettyPrint(), + usmUserPrivProtocol, + usmUserPrivKeyLocalized.prettyPrint(), + securityEngineID.prettyPrint(), + securityName, securityStateReference)) + elif securityName: # 3.1.1b try: @@ -262,7 +281,23 @@ class SnmpUSMSecurityModel(AbstractSecurityModel): securityEngineID, self.__sec2usr(snmpEngine, securityName, securityEngineID) ) - debug.logger & debug.flagSM and debug.logger('__generateRequestOrResponseMsg: read user info') + + debug.logger & debug.flagSM and debug.logger( + '__generateRequestOrResponseMsg: found USM user entry ' + 'usmUserName "%s" ' + 'usmUserSecurityName "%s" ' + 'usmUserAuthProtocol "%s" ' + 'usmUserAuthKeyLocalized "%s" ' + 'usmUserPrivProtocol "%s" ' + 'usmUserPrivKeyLocalized "%s" by ' + 'securityEngineID "%s" and securityName "%s"' % ( + usmUserName, usmUserSecurityName, + usmUserAuthProtocol, + usmUserAuthKeyLocalized.prettyPrint(), + usmUserPrivProtocol, + usmUserPrivKeyLocalized.prettyPrint(), + securityEngineID.prettyPrint(), + securityName)) except NoSuchInstanceError: pysnmpUsmDiscovery, = mibBuilder.importSymbols('__PYSNMP-USM-MIB', 'pysnmpUsmDiscovery') @@ -278,7 +313,28 @@ class SnmpUSMSecurityModel(AbstractSecurityModel): self.__sec2usr(snmpEngine, securityName) ) + debug.logger & debug.flagSM and debug.logger( + '__generateRequestOrResponseMsg: cloned USM user entry ' + 'usmUserName "%s" ' + 'usmUserSecurityName "%s" ' + 'usmUserAuthProtocol "%s" ' + 'usmUserAuthKeyLocalized "%s" ' + 'usmUserPrivProtocol "%s" ' + 'usmUserPrivKeyLocalized "%s" for ' + 'securityEngineID "%s" and securityName "%s"' % ( + usmUserName, usmUserSecurityName, + usmUserAuthProtocol, + usmUserAuthKeyLocalized.prettyPrint(), + usmUserPrivProtocol, + usmUserPrivKeyLocalized.prettyPrint(), + securityEngineID.prettyPrint(), securityName)) + except NoSuchInstanceError: + debug.logger & debug.flagSM and debug.logger( + '__generateRequestOrResponseMsg: failed to clone ' + 'USM user for securityEngineID "%s" securityName ' + '"%s"' % (securityEngineID, securityName)) + reportUnknownName = True if reportUnknownName: @@ -286,8 +342,6 @@ class SnmpUSMSecurityModel(AbstractSecurityModel): errorIndication=errind.unknownSecurityName ) - debug.logger & debug.flagSM and debug.logger('__generateRequestOrResponseMsg: clone user info') - except PyAsn1Error: debug.logger & debug.flagSM and debug.logger( '__generateRequestOrResponseMsg: %s' % (sys.exc_info()[1],)) @@ -296,18 +350,27 @@ class SnmpUSMSecurityModel(AbstractSecurityModel): raise error.StatusInformation( errorIndication=errind.invalidMsg ) + else: # empty username used for engineID discovery usmUserName = usmUserSecurityName = null usmUserAuthProtocol = noauth.NoAuth.serviceID usmUserPrivProtocol = nopriv.NoPriv.serviceID usmUserAuthKeyLocalized = usmUserPrivKeyLocalized = None - debug.logger & debug.flagSM and debug.logger('__generateRequestOrResponseMsg: use empty USM data') - # noinspection PyUnboundLocalVariable - debug.logger & debug.flagSM and debug.logger( - '__generateRequestOrResponseMsg: local usmUserName %r usmUserSecurityName %r usmUserAuthProtocol %s usmUserPrivProtocol %s securityEngineID %r securityName %r' % ( - usmUserName, usmUserSecurityName, usmUserAuthProtocol, usmUserPrivProtocol, securityEngineID, securityName)) + debug.logger & debug.flagSM and debug.logger( + '__generateRequestOrResponseMsg: using blank USM info ' + 'usmUserName "%s" ' + 'usmUserSecurityName "%s" ' + 'usmUserAuthProtocol "%s" ' + 'usmUserAuthKeyLocalized "%s" ' + 'usmUserPrivProtocol "%s" ' + 'usmUserPrivKeyLocalized "%s" for ' + 'securityEngineID "%s" and securityName "%s"' % ( + usmUserName, usmUserSecurityName, + usmUserAuthProtocol, usmUserAuthKeyLocalized, + usmUserPrivProtocol, usmUserPrivKeyLocalized, + securityEngineID.prettyPrint(), securityName)) msg = globalData |