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cifscreds(1)


NAME

   cifscreds - manage NTLM credentials in kernel keyring

SYNOPSIS

   cifscreds add|clear|clearall|update [-u username] [-d] host|domain

DESCRIPTION

   The 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 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
   COMMANDS section below). The second non-option argument is a hostname
   or address, or an NT domain name.

COMMANDS

   add Add credentials to the kernel to be used for connecting to the
       given server, or servers in the given domain.

   clear
       Clear credentials for a particular host or domain from the kernel.

   clearall
       Clear all cifs credentials from the kernel.

   update
       Update stored credentials in the kernel with a new username and
       password.

OPTIONS

   -d, --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.

   -u, --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.

NOTES

   The cifscreds utility requires a kernel built with support for the
   login key type. That key type was added in v3.3 in mainline Linux
   kernels.

   Since cifscreds adds keys to the session keyring, it is highly
   recommended that one use pam_keyinit to ensure that a session keyring
   is established at login time.

SEE ALSO

   pam_keyinit(8)

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>.

                              2012-07-17                      CIFSCREDS(1)



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