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DescriptionSankar Ramalingam
2016-09-14 14:35:09 UTC
Description of problem:
While verifying bug #1370300, I encountered misleading error messages. DS error log shows "error 49 invalid credentials, as well error 0, success" for passing invalid credentials to nsDS5ReplicaBindDN and nsDS5ReplicaCredentials
Version-Release number of selected component (if applicable): 389-ds-base-1.3.5.10-10
How reproducible: Consistently when passing invalid credentials to Replication agreement.
Steps to Reproduce:
1. Setup 2 way MMR.
2. Check the entries are synced across masters.
3. Change the credentials for replication agreement.
[root@ratangad MMR_WINSYNC]# PORT=1189 ; /usr/bin/ldapmodify -x -p $PORT -h localhost -D "cn=Directory Manager" -w Secret123 << EOF
dn: cn=1189_to_2626_on_ratangad.eng.blr.redhat.com,cn=replica,cn=dc\3Dpasssync\2Cdc\3Dcom,cn=mapping tree,cn=config
replace: nsDS5ReplicaCredentials
nsDS5ReplicaCredentials: InvalidPW123
EOF
modifying entry "cn=1189_to_2626_on_ratangad.eng.blr.redhat.com,cn=replica,cn=dc\3Dpasssync\2Cdc\3Dcom,cn=mapping tree,cn=config"
[root@ratangad MMR_WINSYNC]# PORT=1189 ; /usr/bin/ldapmodify -x -p $PORT -h localhost -D "cn=Directory Manager" -w Secret123 << EOF
dn: cn=1189_to_14089_on_ratangad.eng.blr.redhat.com,cn=replica,cn=dc\3Dpasssync\2Cdc\3Dcom,cn=mapping tree,cn=config
replace: nsDS5ReplicaBindDN
nsDS5ReplicaBindDN: cn=WrongDN_Repl,cn=config
EOF
modifying entry "cn=1189_to_14089_on_ratangad.eng.blr.redhat.com,cn=replica,cn=dc\3Dpasssync\2Cdc\3Dcom,cn=mapping tree,cn=config"
Initialize the replica again to check if error logs print error 49(Invalid credentials) or error 32(Entry doesn't exist).
Actual results: Error log prints "error 0 success" along with the relevant error message. This is misleading whether the replica initialization is successful or not.
Expected results: Error log prints only relevant messages. It should avoid printing irrelevant messages.
Additional info:
[14/Sep/2016:16:43:47.323809796 +051800] slapi_ldap_bind - Error: could not bind id [cn=SyncManager,cn=config] authentication mechanism [SIMPLE]: error 49 (Invalid credentials) errno 0 (Success)
[14/Sep/2016:16:43:47.359207135 +051800] slapi_ldap_bind - Error: could not send bind request for id [cn=SyncManager,cn=config] authentication mechanism [SIMPLE]: error -1 (Can't contact LDAP server), system error -5987 (Invalid function argument.), network error 107 (Transport endpoint is not connected, host "ratangad.eng.blr.redhat.com:9989")
[14/Sep/2016:16:43:47.467012608 +051800] slapi_ldap_bind - Error: could not bind id [cn=SyncManagerNN,cn=config] authentication mechanism [SIMPLE]: error 32 (No such object) errno 0 (Success)
[14/Sep/2016:16:43:47.625316253 +051800] slapi_ldap_bind - Error: could not bind id [cn=SyncManager,cn=config] authentication mechanism [SIMPLE]: error 49 (Invalid credentials) errno 0 (Success)
Indeed, it could be misleading:
> [14/Sep/2016:16:43:47.323809796 +051800] slapi_ldap_bind - Error: could not bind id [cn=SyncManager,cn=config] authentication mechanism [SIMPLE]: error 49 (Invalid credentials) errno 0 (Success)
The issue is, the error 49 is from the Directory server's level (ACL), not from the system level (errno). In the system level, there is no problem.
1223 slapi_log_error(SLAPI_LOG_FATAL, LOG_ERR, "slapi_ldap_bind",
1224 "Error: could not bind id "
1225 "[%s] authentication mechanism [%s]: error %d (%s) errno %d (%s)\n",
1226 bindid ? bindid : "(anon)",
1227 mech ? mech : "SIMPLE",
1228 rc, ldap_err2string(rc), errno, slapd_system_strerror(errno));
For instance, we could replace "errno" with "system error". Or even we could suppress "errno %d (%s)" part if errno is 0.
But I believe this is not a new issue and this is not a blocker bug. Plus there are more places having the similar log messages.
I propose to push this to 7.5.
Comment 4Sankar Ramalingam
2016-10-11 10:09:09 UTC
(In reply to Noriko Hosoi from comment #2)
> Indeed, it could be misleading:
>
> > [14/Sep/2016:16:43:47.323809796 +051800] slapi_ldap_bind - Error: could not bind id [cn=SyncManager,cn=config] authentication mechanism [SIMPLE]: error 49 (Invalid credentials) errno 0 (Success)
>
> The issue is, the error 49 is from the Directory server's level (ACL), not
> from the system level (errno). In the system level, there is no problem.
>
> 1223 slapi_log_error(SLAPI_LOG_FATAL, LOG_ERR, "slapi_ldap_bind",
> 1224 "Error: could not bind id "
> 1225 "[%s] authentication mechanism [%s]: error %d (%s) errno %d
> (%s)\n",
> 1226 bindid ? bindid : "(anon)",
> 1227 mech ? mech : "SIMPLE",
> 1228 rc, ldap_err2string(rc), errno, slapd_system_strerror(errno));
>
> For instance, we could replace "errno" with "system error". Or even we
> could suppress "errno %d (%s)" part if errno is 0.
>
> But I believe this is not a new issue and this is not a blocker bug. Plus
> there are more places having the similar log messages.
I agree with your Noriko.
>
> I propose to push this to 7.5.