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Courier Authentication Library 0.62.0 (Default branch)
12-18-2008
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pam_chauthtok(3) Library Functions Manual pam_chauthtok(3) NAME
pam_chauthtok - perform password related functions within the PAM framework SYNOPSIS
[ flag ... ] file ... [ library ... ] DESCRIPTION
is called to change the authentication token associated with a particular user referenced by the authentication handle, pamh. The following flag may be passed in to The password service should not generate any messages. The password service should only update those passwords that have aged. If this flag is not passed, all password services should update their passwords. Upon successful completion of the call, the authentication token of the user will be changed in accordance with the password service con- figured in the system through pam.conf(4). Notes The flag is typically used by a application which has determined that the user's password has aged or expired. Before allowing the user to login, the application may invoke with this flag to allow the user to update the password. Typically applications such as passwd(1) should not use this flag. performs a preliminary check before attempting to update passwords. This check is performed for each password module in the stack as listed in pam.conf(4). The check may include pinging remote name services to determine if they are available. If returns then the check has failed, and passwords are not updated. APPLICATION USAGE
Refer to pam(3) for information on thread-safety of PAM interfaces. RETURN VALUE
Upon successful completion, is returned. In addition to the error return values described in pam(3), the following values may be returned: No permission. Authentication token manipulation error. Authentication information cannot be recovered. Authentication token lock busy. Authentication token aging disabled. User unknown to password service. Preliminary check by password service failed. SEE ALSO
pam(3), pam_start(3), pam_authenticate(3). pam_chauthtok(3)