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NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | STANDARDS | COLOPHON |
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PAM_XAUTH_DATA(3) Linux-PAM Manual PAM_XAUTH_DATA(3)
pam_xauth_data - structure containing X authentication data
#include <security/pam_appl.h>
struct pam_xauth_data {
int namelen;
char *name;
int datalen;
char *data;
};
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.
pam_start(3), pam_get_item(3),
The pam_xauth_data structure and PAM_XAUTH_DATA item are Linux-PAM
extensions.
This page is part of the linux-pam (Pluggable Authentication
Modules for Linux) project. Information about the project can be
found at ⟨http://www.linux-pam.org/⟩. If you have a bug report
for this manual page, see ⟨//www.linux-pam.org/⟩. This page was
obtained from the project's upstream Git repository
⟨https://github.com/linux-pam/linux-pam.git⟩ on 2023-12-22. (At
that time, the date of the most recent commit that was found in
the repository was 2023-12-18.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
Linux-PAM Manual 12/22/2023 PAM_XAUTH_DATA(3)
Pages that refer to this page: pam_get_item(3), pam_set_item(3)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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