Courier Authentication Library
- This is the Courier authentication library. Copies of this library code
- used to exist in other tarballs: Courier, Courier-IMAP, and SqWebMail.
- Building and installing any of these packages would've automatically
- installed this authentication code.
-
- The authentication library is now a separate, standalone package. This
- authentication library must now be installed, separately, before upgrading
- to the following builds (or if installing them for the first time):
- Courier 0.48, Courier-IMAP 4.0, and SqWebMail 5.0. See [1]NEWS for more
- information.
-
- Download: [2]http://www.courier-mta.org/download.php#authlib
+ Download: [1]http://www.courier-mta.org/download.html#authlib
Overview
other Courier applications. In this context, the term "authentication"
refers to the following functions:
- 1. Take a userid or a loginid, and a password. Determine whether the
+ 1. Take a userid or a loginid, and a password. Determine whether the
loginid and the password are valid.
- 2. Given a userid, obtain the following information about the userid:
+ 2. Given a userid, obtain the following information about the userid:
- A. The account's home directory.
- B. The numeric system userid and groupid that owns all files
+ A. The account's home directory.
+ B. The numeric system userid and groupid that owns all files
associated with this account.
- C. The location of the account's maildir.
- D. Any maildir quota defined for this account. See the Courier
+ C. The location of the account's maildir.
+ D. Any maildir quota defined for this account. See the Courier
documentation for more information on maildir quotas.
- E. Other miscellaneous account-specific options.
+ E. Other miscellaneous account-specific options.
- 3. Change the password associated with a loginid.
- 4. Obtain a complete list of all loginids.
+ 3. Change the password associated with a loginid.
+ 4. Obtain a complete list of all login ids.
The Courier authentication library provides alternative implementations of
these authentication services:
- 1. Use the traditional system password files: /etc/passwd and
+ 1. Use the traditional system password files: /etc/passwd and
/etc/shadow, possibly in conjunction with the PAM library.
- 2. Maintain all this information in a GDBM or a DB database. The GDBM or
+ 2. Maintain all this information in a GDBM or a DB database. The GDBM or
the DB database is compiled from plain text files. Perl scripts
provide a simple interface for creating and editing the authentication
information, then a script compiles the plain text files into a
database.
- 3. Use an LDAP server for authentication.
- 4. Use a table in a MySQL database for authentication.
- 5. Use a table in a PostgreSQL database for authentication.
+ 3. Use an LDAP server for authentication.
+ 4. Use a table in a MySQL database for authentication.
+ 5. Use a table in a PostgreSQL database for authentication.
+ 6. Use a table in an SQLite file for authentication.
All Courier components that use this authentication library, therefore,
will be able to authenticate E-mail accounts using any of the above
methods.
- Additional information can be found in the [3]INSTALL file.
+ Additional information can be found in the [2]INSTALL file.
- The authentication API is [4]documented.
+ The authentication API is [3]documented.
Further resources
- Subscribe to the [5]courier-users mailing list. Go to
+ Subscribe to the [4]courier-users mailing list. Go to
http://lists.sourceforge.net/mailman/listinfo/courier-users to subscribe
to courier-users, or send a message to
<courier-users-request@lists.sourceforge.net> and put "subscribe" in the
subject line. Search the list archives at
- [6]http://markmail.org/browse/net.sourceforge.lists.courier-users.
+ [5]http://markmail.org/browse/net.sourceforge.lists.courier-users.