public/postgresql_passchanger_function
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Updated readme

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dodger 2022-05-10 11:26:18 +02:00
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README.md
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@ -13,6 +13,11 @@ All without granting `super` permissions and having a histoc of changes on a _ps
## Instructions
### First deploy
Modify `passchanger.sql` according your needings:
* Change `_min_password_length` on `change_my_password` function
* Change `_password_lifetime` on `change_valid_until` function
Deploy `passchanger.sql` on the desired cluster/database.
It will:
@ -23,6 +28,17 @@ It will:
* Create the 2 needed functions and grant permissions on them to `dba`
### Updates
Just execute the `CREATE OR REPLACE FUNCTION` part of the `passchanger.sql` file.
| :warning: WARNING |
|:---------------------------|
| Amazon RDS has some notes at the end... |
| :warning: WARNING |
### Allowing users to use that functions
Take the file `grants_to_grant.sql` and modify the username _dodger_ so it match the username that should have the permissions.
Execute the grants on the cluster/database you have deployed `passchanger.sql`
@ -52,10 +68,15 @@ select dba.change_my_password('<Wl}TxqRPBQaV_N<rU#A') ;
## RDS considerations
As Amazon has modified Postgresql so you don't have access as a *real* superuser, the _dangerous_ function
As Amazon has modified Postgresql so you don't have access as a *real* superuser and the _dangerous_ function
`change_valid_until` should run as the owner of the database (the user created when you deploy the database through AWS)
There's a `passchanger_rds.sqlp` file which should be used instead of the normal one.
There's a `passchanger_rds.sql` file which should be used instead of the normal one.
For updates you should change the owner of the `change_valid_until` to the database _owner_:
```
ALTER FUNCTION dba.change_my_password(text) OWNER TO _DATABASEOWNER;
```
Modify `_DATABASEOWNER` according your admin username...