NAME

       pam_xauth_data - structure containing X authentication data

SYNOPSIS

       #include <security/pam_appl.h>

       struct pam_xauth_data {
           int namelen;
           char *name;
           int datalen;
           char *data;
       };

DESCRIPTION

       The pam_xauth_data structure contains X authentication data used to make a connection to
       an X display. Using this mechanism, an application can communicate X authentication data
       to PAM service modules. This allows modules to make a connection to the user's X display
       in order to label the user's session on login, display visual feedback or for other
       purposes.

       The name field contains the name of the authentication method, such as
       "MIT-MAGIC-COOKIE-1". The namelen field contains the length of this string, not including
       the trailing NUL character.

       The data field contains the authentication method-specific data corresponding to the
       specified name. The datalen field contains its length in bytes.

       The X authentication data can be changed with the PAM_XAUTH_DATA item. It can be queried
       and set with pam_get_item(3) and pam_set_item (3) respectively. The value used to set it
       should be a pointer to a pam_xauth_data structure. An internal copy of both the structure
       itself and its fields is made by PAM when setting the item.

SEE ALSO

       pam_start(3), pam_get_item(3),

STANDARDS

       The pam_xauth_data structure and PAM_XAUTH_DATA item are Linux-PAM extensions.