1PAM_SHELLS(8)                  Linux-PAM Manual                  PAM_SHELLS(8)
2
3
4

NAME

6       pam_shells - PAM module to check for valid login shell
7

SYNOPSIS

9       pam_shells.so
10

DESCRIPTION

12       pam_shells is a PAM module that only allows access to the system if the
13       users shell is listed in /etc/shells.
14
15       It also checks if /etc/shells is a plain file and not world writable.
16

OPTIONS

18       This module does not recognise any options.
19

MODULE TYPES PROVIDED

21       The auth and account module types are provided.
22

RETURN VALUES

24       PAM_AUTH_ERR
25           Access to the system was denied.
26
27       PAM_SUCCESS
28           The users login shell was listed as valid shell in /etc/shells.
29
30       PAM_SERVICE_ERR
31           The module was not able to get the name of the user.
32

EXAMPLES

34           auth  required  pam_shells.so
35
36
37

SEE ALSO

39       shells(5), pam.conf(5), pam.d(5), pam(8)
40

AUTHOR

42       pam_shells was written by Erik Troan <ewt@redhat.com>.
43
44
45
46Linux-PAM Manual                  09/19/2013                     PAM_SHELLS(8)