1PAM_DEBUG(8)                   Linux-PAM Manual                   PAM_DEBUG(8)
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NAME

6       pam_debug - PAM module to debug the PAM stack
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SYNOPSIS

9       pam_debug.so [auth=value] [cred=value] [acct=value]
10                    [prechauthtok=value] [chauthtok=value] [auth=value]
11                    [open_session=value] [close_session=value]
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DESCRIPTION

14       The pam_debug PAM module is intended as a debugging aide for
15       determining how the PAM stack is operating. This module returns what
16       its module arguments tell it to return.
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OPTIONS

19       auth=value
20           The pam_sm_authenticate(3) function will return value.
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22       cred=value
23           The pam_sm_setcred(3) function will return value.
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25       acct=value
26           The pam_sm_acct_mgmt(3) function will return value.
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28       prechauthtok=value
29           The pam_sm_chauthtok(3) function will return value if the
30           PAM_PRELIM_CHECK flag is set.
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32       chauthtok=value
33           The pam_sm_chauthtok(3) function will return value if the
34           PAM_PRELIM_CHECK flag is not set.
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36       open_session=value
37           The pam_sm_open_session(3) function will return value.
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39       close_session=value
40           The pam_sm_close_session(3) function will return value.
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42       Where value can be one of: success, open_err, symbol_err, service_err,
43       system_err, buf_err, perm_denied, auth_err, cred_insufficient,
44       authinfo_unavail, user_unknown, maxtries, new_authtok_reqd,
45       acct_expired, session_err, cred_unavail, cred_expired, cred_err,
46       no_module_data, conv_err, authtok_err, authtok_recover_err,
47       authtok_lock_busy, authtok_disable_aging, try_again, ignore, abort,
48       authtok_expired, module_unknown, bad_item, conv_again, incomplete.
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MODULE TYPES PROVIDED

51       All module types (auth, account, password and session) are provided.
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RETURN VALUES

54       PAM_SUCCESS
55           Default return code if no other value was specified, else specified
56           return value.
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EXAMPLES

59           auth    requisite       pam_permit.so
60           auth    [success=2 default=ok]  pam_debug.so auth=perm_denied cred=success
61           auth    [default=reset]         pam_debug.so auth=success cred=perm_denied
62           auth    [success=done default=die] pam_debug.so
63           auth    optional        pam_debug.so auth=perm_denied cred=perm_denied
64           auth    sufficient      pam_debug.so auth=success cred=success
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SEE ALSO

68       pam.conf(5), pam.d(5), pam(8)
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AUTHOR

71       pam_debug was written by Andrew G. Morgan <morgan@kernel.org>.
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75Linux-PAM Manual                  11/25/2020                      PAM_DEBUG(8)
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