PAM_SEPERMIT(8) Linux-PAM Manual PAM_SEPERMIT(8)NAME
pam_sepermit - PAM module to allow/deny login depending on SELinux enforcement state
SYNOPSIS
pam_sepermit.so [debug] [conf=/path/to/config/file]
DESCRIPTION
The pam_sepermit module allows or denies login depending on SELinux enforcement state.
When the user which is logging in matches an entry in the config file he is allowed access only when the SELinux is in enforcing mode.
Otherwise he is denied access. For users not matching any entry in the config file the pam_sepermit module returns PAM_IGNORE return value.
The config file contains a list of user names one per line with optional arguments. If the name is prefixed with @ character it means that
all users in the group name match. If it is prefixed with a % character the SELinux user is used to match against the name instead of the
account name. Note that when SELinux is disabled the SELinux user assigned to the account cannot be determined. This means that such
entries are never matched when SELinux is disabled and pam_sepermit will return PAM_IGNORE.
See sepermit.conf(5) for details.
OPTIONS
debug
Turns on debugging via syslog(3).
conf=/path/to/config/file
Path to alternative config file overriding the default.
MODULE TYPES PROVIDED
The auth and account module types are provided.
RETURN VALUES
PAM_AUTH_ERR
SELinux is disabled or in the permissive mode and the user matches.
PAM_SUCCESS
SELinux is in the enforcing mode and the user matches.
PAM_IGNORE
The user does not match any entry in the config file.
PAM_USER_UNKNOWN
The module was unable to determine the user's name.
PAM_SERVICE_ERR
Error during reading or parsing the config file.
FILES
/etc/security/sepermit.conf
Default configuration file
EXAMPLES
auth [success=done ignore=ignore default=bad] pam_sepermit.so
auth required pam_unix.so
account required pam_unix.so
session required pam_permit.so
SEE ALSO sepermit.conf(5), pam.conf(5), pam.d(5), pam(7)selinux(8)AUTHOR
pam_sepermit and this manual page were written by Tomas Mraz <tmraz@redhat.com>.
Linux-PAM Manual 08/31/2010 PAM_SEPERMIT(8)
Check Out this Related Man Page
PAM_WHEEL(8) Linux-PAM Manual PAM_WHEEL(8)NAME
pam_wheel - Only permit root access to members of group wheel
SYNOPSIS
pam_wheel.so [debug] [deny] [group=name] [root_only] [trust] [use_uid]
DESCRIPTION
The pam_wheel PAM module is used to enforce the so-called wheel group. By default it permits root access to the system if the applicant
user is a member of the wheel group. If no group with this name exist, the module is using the group with the group-ID 0.
OPTIONS
debug
Print debug information.
deny
Reverse the sense of the auth operation: if the user is trying to get UID 0 access and is a member of the wheel group (or the group of
the group option), deny access. Conversely, if the user is not in the group, return PAM_IGNORE (unless trust was also specified, in
which case we return PAM_SUCCESS).
group=name
Instead of checking the wheel or GID 0 groups, use the name group to perform the authentication.
root_only
The check for wheel membership is done only.
trust
The pam_wheel module will return PAM_SUCCESS instead of PAM_IGNORE if the user is a member of the wheel group (thus with a little play
stacking the modules the wheel members may be able to su to root without being prompted for a passwd).
use_uid
The check for wheel membership will be done against the current uid instead of the original one (useful when jumping with su from one
account to another for example).
MODULE TYPES PROVIDED
The auth and account module types are provided.
RETURN VALUES
PAM_AUTH_ERR
Authentication failure.
PAM_BUF_ERR
Memory buffer error.
PAM_IGNORE
The return value should be ignored by PAM dispatch.
PAM_PERM_DENY
Permission denied.
PAM_SERVICE_ERR
Cannot determine the user name.
PAM_SUCCESS
Success.
PAM_USER_UNKNOWN
User not known.
EXAMPLES
The root account gains access by default (rootok), only wheel members can become root (wheel) but Unix authenticate non-root applicants.
su auth sufficient pam_rootok.so
su auth required pam_wheel.so
su auth required pam_unix.so
SEE ALSO pam.conf(5), pam.d(5), pam(8)AUTHOR
pam_wheel was written by Cristian Gafton <gafton@redhat.com>.
Linux-PAM Manual 04/01/2010 PAM_WHEEL(8)