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Rewrap; this was getting painful. Translators can ignore this.

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MFC after:	1 week
This commit is contained in:
Dag-Erling Smørgrav 2009-06-20 10:09:59 +00:00
parent e83105d1d9
commit 84e3202f58
1 changed files with 36 additions and 59 deletions
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95
lib/libpam/modules/pam_unix/pam_unix.8
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@ -52,8 +52,7 @@ The
authentication service module for PAM,
.Nm
provides functionality for three PAM categories:
authentication,
account management, and password management.
authentication, account management, and password management.
In terms of the
.Ar module-type
parameter, they are the
@ -66,14 +65,13 @@ It also provides a null function for session management.
.Ss Ux Ss Authentication Module
The
.Ux
authentication component
provides functions to verify the identity of a user
authentication component provides functions to verify the identity of
a user
.Pq Fn pam_sm_authenticate ,
which obtains the relevant
.Xr passwd 5
entry.
It prompts the user for a password
and verifies that this is correct with
It prompts the user for a password and verifies that this is correct with
.Xr crypt 3 .
.Pp
The following options may be passed to the authentication module:
@ -84,64 +82,46 @@ debugging information at
.Dv LOG_DEBUG
level.
.It Cm use_first_pass
If the authentication module
is not the first in the stack,
and a previous module
obtained the user's password,
that password is used
to authenticate the user.
If this fails,
the authentication module returns failure
without prompting the user for a password.
This option has no effect
if the authentication module
is the first in the stack,
or if no previous modules
obtained the user's password.
If the authentication module is not the first in the stack, and a
previous module obtained the user's password, that password is used to
authenticate the user.
If this fails, the authentication module returns failure without
prompting the user for a password.
This option has no effect if the authentication module is the first in
the stack, or if no previous modules obtained the user's password.
.It Cm try_first_pass
This option is similar to the
.Cm use_first_pass
option,
except that if the previously obtained password fails,
the user is prompted for another password.
option, except that if the previously obtained password fails, the
user is prompted for another password.
.It Cm auth_as_self
This option will require the user
to authenticate themselves as themselves,
not as the account they are attempting to access.
This option will require the user to authenticate themselves as
themselves, not as the account they are attempting to access.
This is primarily for services like
.Xr su 1 ,
where the user's ability to retype
their own password
might be deemed sufficient.
where the user's ability to retype their own password might be deemed
sufficient.
.It Cm nullok
If the password database
has no password
for the entity being authenticated,
then this option
will forgo password prompting,
and silently allow authentication to succeed.
If the password database has no password for the entity being
authenticated, then this option will forgo password prompting, and
silently allow authentication to succeed.
.It Cm local_pass
Use only the local password database,
even if NIS is in use.
This will cause an authentication failure
if the system is configured
Use only the local password database, even if NIS is in use.
This will cause an authentication failure if the system is configured
to only use NIS.
.It Cm nis_pass
Use only the NIS password database.
This will cause an authentication failure
if the system is not configured
to use NIS.
This will cause an authentication failure if the system is not
configured to use NIS.
.El
.Ss Ux Ss Account Management Module
The
.Ux
account management component
provides a function to perform account management,
account management component provides a function to perform account
management,
.Fn pam_sm_acct_mgmt .
The function verifies
that the authenticated user
is allowed to log into the local user account
by checking the following criteria:
The function verifies that the authenticated user is allowed to log
into the local user account by checking the following criteria:
.Bl -dash -offset indent
.It
locked status of the account compatible with
@ -166,8 +146,8 @@ level.
.Ss Ux Ss Password Management Module
The
.Ux
password management component
provides a function to perform password management,
password management component provides a function to perform password
management,
.Fn pam_sm_chauthtok .
The function changes
the user's password.
@ -181,17 +161,14 @@ debugging information at
level.
.It Cm no_warn
suppress warning messages to the user.
These messages include
reasons why the user's
authentication attempt was declined.
These messages include reasons why the user's authentication attempt
was declined.
.It Cm local_pass
forces the password module
to change a local password
in favour of a NIS one.
forces the password module to change a local password in favour of a
NIS one.
.It Cm nis_pass
forces the password module
to change a NIS password
in favour of a local one.
forces the password module to change a NIS password in favour of a
local one.
.El
.Sh FILES
.Bl -tag -width ".Pa /etc/master.passwd" -compact