This is not a bug in pam_env. Your expectation does not match the
design of pam_env; pam_env never modifies the application's environment,
it only populates the pam-handle-specific "environment" list with a set
of variables that the application can then consume.
You appear to be expecting that you can use pam_env to set an
environment variable that will then be seen by a subsequent module in
the authentication stack, and that's not what it's for.
> auth required pam_env.so readenv=1
envfile=/opt/IBM/informix/etc/locale user_readenv=0
> My solution to this issue was a self written PAM-Module
It sounds to me like this is not reusable in the least and what you
actually want is to set the environment of the server process at start-
up time.
** Changed in: pam (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1608509
Title:
pam_env does not change charset of authentication process
Status in pam package in Ubuntu:
Invalid
Bug description:
The module pam_env does not change the character set of authentication
process.
The informix database client uses a ISO-8859-1 character set. The
Ubuntu server is running with de_DE.utf8.
/etc/pam.d/informix:
#
# Then PAM configuration file for the Shadow `informix' service
#
# More verbose
auth required pam_warn.so debug
# Environment
auth required pam_env.so readenv=1
envfile=/opt/IBM/informix/etc/locale user_readenv=0
# Disallows other than root logins when /etc/nologin exists
auth requisite pam_nologin.so
# Standard Un*x authentication.
@include common-auth
/opt/IBM/informix/etc/locale:
LANG="de_DE.iso88591"
/var/log/auth.log (with a password containing non 7-bit ascii - e.g.
german 'Umlaute'):
Jul 19 15:46:54 myhost oninit: pam_warn(informix:auth):
function=[pam_sm_authenticate] service=[informix] terminal=[<unknown>]
user=[myuser] ruser=[myuser] rhost=[myclient]
Jul 19 15:46:54 myhost oninit: [lsass-pam]
[module:pam_lsass]pam_sm_authenticate error [login:myuser][error code:40067]
My solution to this issue was a self written PAM-Module - see
http://askubuntu.com/questions/800488/how-to-configuring-pam-to-use-
different-language-locale-settings
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