Hi Marian,
Have you added a localized user to the USM? It seems that not the code is wrong
but the localization of the passphrases is missing.
Best regards
Frank
> Am 15.10.2018 um 10:16 schrieb Marian Wendt :
>
> Hi,
>
> I experience some behaviour that makes me think there is something wrong with
> USM.java
> Near line 380 the authetication key and privacy key is not retrieved from
> "UsmUser" and result in NULL.
> I corrected this with the following changes...
>
>AuthenticationProtocol auth =
> securityProtocols.getAuthenticationProtocol(user.getUsmUser().getAuthenticationProtocol());
>PrivacyProtocol priv =
> securityProtocols.getPrivacyProtocol(user.getUsmUser().getPrivacyProtocol());
>
>usmSecurityParams.setAuthenticationProtocol(auth);
>usmSecurityParams.setPrivacyProtocol(priv);
>
>
> //usmSecurityParams.setAuthenticationKey(user.getAuthenticationKey());
>
> usmSecurityParams.setAuthenticationKey(user.getUsmUser().getAuthenticationPassphrase().toByteArray());
>//usmSecurityParams.setPrivacyKey(user.getPrivacyKey());
>
> usmSecurityParams.setPrivacyKey(user.getUsmUser().getPrivacyPassphrase().toByteArray());
>
>usmSecurityParams.setUserName(user.getUsmUser().getSecurityName());
>usmSecurityParams.setAuthoritativeEngineID(secEngineID.getValue());
>
> After that, the SNMPv3 trap sending is working correct but still has:
>
> trace: usm_parse_security_parameters(): snmpusm.c, 2052:
> dumph_recv: msgAuthenticationParameters
> trace: usm_process_in_msg(): snmpusm.c, 2385:
> usm: Parsing failed (rc -1).
> trace: snmpv3_parse(): snmp_api.c, 3784:
> dumph_recv: ScopedPDU
> trace: _snmp_parse(): snmp_api.c, 4162:
> snmp_parse: Parsed SNMPv3 message (secName:your-security-name,
> secLevel:authPriv): USM parse error
> trace: _sess_process_packet(): snmp_api.c, 5249:
> sess_process_packet: received message id#6744 reqid#0 len 210
> trace: _sess_process_packet(): snmp_api.c, 5252:
> sess_process_packet: parse fail
> trace: _sess_read(): snmp_api.c, 5542:
> sess_read: not reading 7 (fdset 0x7ffce2c22a60 set 0)
> trace: _sess_read(): snmp_api.c, 5542:
> sess_read: not reading 5 (fdset 0x7ffce2c22a60 set 0)
> trace: _sess_read(): snmp_api.c, 5542:
> sess_read: not reading 3 (fdset 0x7ffce2c22a60 set 0)
> trace: snmp_sess_select_info2_flags(): snmp_api.c, 6051:
> sess_select: for all sessions: 9 7 5 3
>
> (log output from snmptrapd on linux)
> So I think there is still something wrong with the library...
>
> Best regards
>
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