PAM_MATRIX(8) PAM_MATRIX(8) NAME pam_matrix - A PAM test module to retrieve module-specific PAM items SYNOPSIS pam_matrix.so [...] DESCRIPTION Testing PAM application often requires to set up an authentication backend with as little effort as possible. The pam_matrix module allows one to au- thenticate against a key-value text file, provided by an option or with an environment variable. IMPORTANT pam_matrix is a test tool. It should be considered completely insecure and never used outside test environments! As you'll see when reading descrip- tion of the options and actions, many of them don't make any sense in the real world and were added just to make tests possible. PASSWORD DATABASE The pam_matrix module authenticates user against a plain-text CSV file. The format of the file is as follows: username:password:allowed_service Example: User bob allowed to authenticate with the service sshd bob:secret:sshd OPTIONS * passdb=/path/to/file - the patch to the password database. If the data- base is not provided with this module option, pam_matrix.so reads the PAM_MATRIX_PASSWD environment variable and tries to load the file from there. If that fails as well, PAM_AUTHINFO_UNAVAIL is returned. * echo - if this option is provided, pam_matrix.so will ask for password using PAM_PROMPT_ECHO_ON, that is, the password will be echoed back to user. This option was added to make it possible to test conversation functions better. * verbose - if this option is provided, pam_matrix.so will display a PAM_TEXT_INFO message when authentication succeeds and a PAM_ERROR_MSG when authentication fails. This option was added to make it possible to test conversation functions better. MODULE TYPES PROVIDED All module types (account, auth, password and session) are supported. The auth module searches for the user in the passdb file and compares the provided password with the one in the passdb file. The password module is able to update the password in the passdb file. The access module compares the service name the PAM conversation was in- voked with the allowed service for the user as set in the passdb file. The session module sets the HOMEDIR PAM environment variable to "/home/%u" where %u stands for the user who opens the session. The variable is unset on session close. EXAMPLE auth required pam_matrix.so passdb=/tmp/passdb verbose account required pam_matrix.so passdb=/tmp/passdb verbose password required pam_matrix.so passdb=/tmp/passdb verbose session required pam_matrix.so passdb=/tmp/passdb verbose 2015-11-04 PAM_MATRIX(8)
NAME | SYNOPSIS | DESCRIPTION | IMPORTANT | PASSWORD DATABASE | OPTIONS | MODULE TYPES PROVIDED | EXAMPLE
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