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Patch to make 'ldapmodify -WW' read password from stdin
If I run ldapmodify from a script, I don't want to use '-W password'
because the password shows up in the output of 'ps' for everyone,
and I can't pipe the password to 'ldapmodify -w' because -w uses
getpassphrase() which reads from the tty instead of stdin.
So I added '-WW' which reads the password from stdin without prompting.
An alternate way would be to check if stdin is the tty, use
getpassphrase() if it is, and read from stdin (maybe with a prompt) if
not. Which way is better?
The patch is at <http://folk.uio.no/hbf/OpenLDAP/passwd-stdin.txt>.