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Man Pages


Manual Reference Pages  - MAC_TEXT (3)

NAME

mac_from_text, mac_to_text - convert MAC label to/from text representation

CONTENTS

Library
Synopsis
Description
Return Values
Compatibility
Errors
See Also
Standards
History

LIBRARY


.Lb libc

SYNOPSIS


.In sys/mac.h int mac_from_text mac_t *mac const char *text int mac_to_text mac_t label char **text

DESCRIPTION

The mac_from_text function converts the text representation of a label into the internal policy label format (Vt mac_t) and places it in *mac, which must later be freed with free(3).

The mac_to_text function allocates storage for *text, which will be set to the text representation of label.

Refer to maclabel(7) for the MAC label format.

RETURN VALUES


.Rv -std mac_from_text mac_to_text

COMPATIBILITY

POSIX.1e does not define a format for text representations of MAC labels.

POSIX.1e requires that text strings allocated using mac_to_text be freed using mac_free(3); in the
.Fx implementation, they must be freed using free(3), as mac_free(3) is used only to free memory used for type
.Vt mac_t .

ERRORS

[ENOMEM]
  Insufficient memory was available to allocate internal storage.

SEE ALSO

free(3), mac(3), mac_get(3), mac_is_present_np(3), mac_prepare(3), mac_set(3), mac(4), maclabel(7)

STANDARDS

POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion of the draft continues on the cross-platform POSIX.1e implementation mailing list. To join this list, see the
.Fx POSIX.1e implementation page for more information.

HISTORY

Support for Mandatory Access Control was introduced in
.Fx 5.0 as part of the TrustedBSD Project.
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December 21, 2001 MAC_TEXT (3)

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