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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO | COLOPHON |
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semanage_exists(3) Libsemanage API documentation semanage_exists(3)
semanage_exists - SELinux Management API
The following exists function is supported for any semanage
record.
Replace the function and object name as necessary.
extern int EXISTS_FUNCTION (
semanage_handle_t *handle,
const semanage_OBJECT_key_t *key,
semanage_OBJECT_t **response);
Behavior:
The exists function will return 0 if a matching key is not
found, and 1 otherwise.
Parameters:
The handle is used to track persistent state across
semanage calls, and for error reporting. The key identifies
the object being checked. The result of the test will be
stored in the address pointed by response The key is a
property of the caller, and will not be stored or modified
internally.
Requirements:
This function requires an semanage connection to be
established (see semanage_connect(3) )
In case of failure, -1 is returned, and the semanage error
callback is invoked, describing the error. Otherwise a non-
negative integer is returned (a commit number). The same number
will be returned by all other read calls to the semanage database
until the next commit.
semanage_handle_create(3), semanage_connect(3),
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
[email protected]
[email protected] 16 March 2006 semanage_exists(3)
Pages that refer to this page: semanage_bool(3), semanage_fcontext(3), semanage_iface(3), semanage_node(3), semanage_port(3), semanage_seuser(3), semanage_user(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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