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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | AUTHOR | SEE ALSO | COLOPHON |
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selabel_lookup(3) SELinux API documentation selabel_lookup(3)
selabel_lookup - obtain SELinux security context from a string
label
#include <selinux/selinux.h>
#include <selinux/label.h>
int selabel_lookup(struct selabel_handle *hnd,
char **context,
const char *key, int type);
int selabel_lookup_raw(struct selabel_handle *hnd,
char **context,
const char *key, int type);
selabel_lookup() performs a lookup operation on the handle hnd,
returning the result in the memory pointed to by context, which
must be freed by the caller using freecon(3). The key and type
parameters are the inputs to the lookup operation and are
interpreted according to the specific backend that handle is open
on.
selabel_lookup_raw() behaves identically to selabel_lookup() but
does not perform context translation.
On success, zero is returned. On error, -1 is returned and errno
is set appropriately.
ENOENT No context corresponding to the input key and type was
found.
EINVAL The key and/or type inputs are invalid, or the context
being returned failed validation, or a regular expression
in the database failed to compile.
ENOMEM An attempt to allocate memory failed.
Eamon Walsh <ewalsh@tycho.nsa.gov>
selabel_open(3), selabel_stats(3), selinux_set_callback(3),
selinux(8)
This page is part of the selinux (Security-Enhanced Linux user-
space libraries and tools) project. Information about the project
can be found at ⟨https://github.com/SELinuxProject/selinux/wiki⟩.
If you have a bug report for this manual page, see
⟨https://github.com/SELinuxProject/selinux/wiki/Contributing⟩.
This page was obtained from the project's upstream Git repository
⟨https://github.com/SELinuxProject/selinux⟩ on 2025-08-11. (At
that time, the date of the most recent commit that was found in
the repository was 2025-08-04.) 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
18 Jun 2007 selabel_lookup(3)
Pages that refer to this page: matchpathcon(3), selabel_open(3), selabel_stats(3), selabel_db(5), selabel_file(5), selabel_media(5), selabel_x(5)
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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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