PASSWORD_VERIFY_FUNCTION 值 FROM ROOT 与default 的差异

SYMPTOMS

When connected from PDB, "FROM ROOT" should be displayed in the LIMIT column of DBA_PROFILES.

CHANGES

None

CAUSE

This is an expected behavior from 12c onwards that the text will be displayed as "FROM ROOT" when connected from PDB.

SOLUTION

From 12c onwards, in Root, query on DBA_PROFILES for this profile and the PASSWORD_VERIFY_FUNCTION should return the Function Name, whereas in PDB will return the text "FROM ROOT".

DBA_PROFILES displays "FROM ROOT" when connected in PDB for common profiles PASSWORD_VERIFY_FUNCTION.

eg:

Create a Common Profile and associate it with a password verification function and then connect with PDB and check the output shown.

Test Case:

======

SQL> select banner from v$version;

BANNER


Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production

PL/SQL Release 12.1.0.2.0 - Production

CORE 12.1.0.2.0 Production

TNS for Linux: Version 12.1.0.2.0 - Production

NLSRTL Version 12.1.0.2.0 - Production

SQL> CREATE PROFILE c##new_profile LIMIT

FAILED_LOGIN_ATTEMPTS 5

PASSWORD_LIFE_TIME 60

PASSWORD_REUSE_TIME 60

PASSWORD_REUSE_MAX 5

PASSWORD_VERIFY_FUNCTION ORA12C_STRONG_VERIFY_FUNCTION

PASSWORD_LOCK_TIME 1/24

PASSWORD_GRACE_TIME 10;

2 3 4 5 6 7 8

Profile created.

SQL> SELECT * FROM PROFNAME$;

PROFILE# NAME FLAGS


0 DEFAULT 0

1 ORA_STIG_PROFILE 0

7 C##NEW_PROFILE 1

SQL> select profile,resource_name,limit from dba_profiles where resource_name = 'PASSWORD_VERIFY_FUNCTION';

PROFILE RESOURCE_NAME LIMIT


DEFAULT PASSWORD_VERIFY_FUNCTION NULL

ORA_STIG_PROFILE PASSWORD_VERIFY_FUNCTION ORA12C_STRONG_VERIFY_FUNCTION
C##NEW_PROFILE PASSWORD_VERIFY_FUNCTION ORA12C_STRONG_VERIFY_FUNCTION

SQL> alter session set container=PDB1;

Session altered.

SQL> show con_name;

CON_NAME


PDB1

SQL> alter pluggable database PDB1 open;

Pluggable database altered.

SQL> select profile,resource_name,limit from dba_profiles where resource_name = 'PASSWORD_VERIFY_FUNCTION';

PROFILE RESOURCE_NAME LIMIT


DEFAULT PASSWORD_VERIFY_FUNCTION NULL

ORA_STIG_PROFILE PASSWORD_VERIFY_FUNCTION ORA12C_STRONG_VERIFY_FUNCTION
C##NEW_PROFILE PASSWORD_VERIFY_FUNCTION FROM ROOT

**** TEST CASE ENDS ****

defalut是null,所以不同于其他值 default

PDB:

CDB:

上面第一个是default,在cdb下为NULL,在PDB下设置了ORA12C_STIG_VERIFY_FUNCTION,所以不是FROM ROOT.如果CDB/PDB 是相同的就是 FROM ROOT

C##的用户很多还是要在CDB下看,比如account status,pdb下的不准!!

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