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courierpassd - remote change password utility
Courierpassd provides an interface to the password changing functionality
provided by the Courier authentication library. Courierpassd acts as a server
which client programs connect to through a tcp socket. Courierpassd changes
the password of a user when provided with a user ID, old password, and
new password.
Courierpassd is designed to be run from a super-server such as tcpserver
or xinetd. The poppassd protocol is used to talk to client programs to
obtain authentication tokens.
Since courierpassd uses the Courier authentication library to do the actual
work, courierpassd can affect only those user accounts accessable by the
library. Currently, the library includes authentication modules for passwd
and shadow files, db and gdbm files, PAM, LDAP, MySQL, and PostgreSQL. It
also provides a framework for creating new authentication modules.
Before building courierpassd, you must install the Courier authentication
library.
Features of courierpassd
* ability to specify a service name associated with the user ID and password
this value defaults to 'login'
* a minimum uid can be set below which courierpassd will refuse to change
passwords
* a delay can be set which causes courierpassd to sleep for the specified
number of seconds after a failed password change attempt
* logging information can be directed to syslog or stderr
See the courierpassd(8) man page for a detailed description of courierpassd's
capabilities and usage.
Bug reports, suggestions, enhancements, and fully tested and debugged diffs
can be sent to:
freeware@arda.homeunix.net
See the AUTHORS file for a list of credits.
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