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# turn into a manpage with the following command:
#
# pod2man -s 1 -c '' -r '' --stderr cifscreds.pod > cifscreds.1
#
=head1 NAME
cifscreds - manage NTLM credentials in kernel keyring
=head1 SYNOPSIS
cifscreds add|clear|clearall|update [-u username] [-d] host|domain
=head1 DESCRIPTION
The B<cifscreds> program is a tool for managing credentials (username
and password) for the purpose of establishing sessions in multiuser
mounts.
When a cifs filesystem is mounted with the "multiuser" option, and does
not use krb5 authentication, it needs to be able to get the credentials
for each user from somewhere. The B<cifscreds> program is the tool used
to provide these credentials to the kernel.
The first non-option argument to cifscreds is a command (see the
B<COMMANDS> section below). The second non-option argument is a hostname
or address, or an NT domain name.
=head1 COMMANDS
=over
=item B<add>
Add credentials to the kernel to be used for connecting to the given server, or servers in the given domain.
=item B<clear>
Clear credentials for a particular host or domain from the kernel.
=item B<clearall>
Clear all cifs credentials from the kernel.
=item B<update>
Update stored credentials in the kernel with a new username and
password.
=back
=head1 OPTIONS
=over
=item B<-d>, B<--domain>
The provided host/domain argument is a NT domainname.
Ordinarily the second argument provided to cifscreds is treated as a
hostname or IP address. This option causes the cifscreds program to
treat that argument as an NT domainname instead.
If there are not host specific credentials for the mounted server, then
the kernel will next look for a set of domain credentials equivalent to
the domain= option provided at mount time.
=item B<-u>, B<--username>
Ordinarily, the username is derived from the unix username of the user
adding the credentials. This option allows the user to substitute a
different username.
=back
=head1 NOTES
The cifscreds utility requires a kernel built with support for the
B<login> key type. That key type was added in v3.3 in mainline Linux
kernels.
Since B<cifscreds> adds keys to the session keyring, it is highly
recommended that one use B<pam_keyinit> to ensure that a session keyring
is established at login time.
=head1 SEE ALSO
pam_keyinit(8)
=head1 AUTHORS
The cifscreds program was originally developed by Igor Druzhinin
<jaxbrigs@gmail.com>. This manpage and a redesign of the code was done
by Jeff Layton <jlayton@samba.org>.
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