146 lines
3.1 KiB
HTML
146 lines
3.1 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of selabel_lookup</TITLE>
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</HEAD><BODY>
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<H1>selabel_lookup</H1>
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Section: SELinux API documentation (3)<BR>Updated: 18 Jun 2007<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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selabel_lookup - obtain SELinux security context from a string label
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>#include <<A HREF="file:///usr/include/selinux/selinux.h">selinux/selinux.h</A>></B>
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<BR>
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<B>#include <<A HREF="file:///usr/include/selinux/label.h">selinux/label.h</A>></B>
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<P>
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<B>int selabel_lookup(struct selabel_handle *</B><I>hnd</I><B>,</B>
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<B>char **</B><I>context</I><B>,</B>
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<BR>
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<B>const char *</B><I>key</I><B>, int </B><I>type</I><B>);</B>
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<P>
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<B>int selabel_lookup_raw(struct selabel_handle *</B><I>hnd</I><B>,</B>
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<B>char **</B><I>context</I><B>,</B>
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<BR>
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<B>const char *</B><I>key</I><B>, int </B><I>type</I><B>);</B>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<B>selabel_lookup</B>()
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performs a lookup operation on the handle
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<I>hnd</I>,
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returning the result in the memory pointed to by
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<I>context</I>,
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which must be freed by the caller using
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<B><A HREF="/cgi-bin/man/man2html?3+freecon">freecon</A></B>(3).
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The
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<I>key</I>
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and
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<I>type</I>
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parameters are the inputs to the lookup operation and are interpreted according to the specific backend that
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<I>handle</I>
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is open on.
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<P>
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<B>selabel_lookup_raw</B>()
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behaves identically to
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<B>selabel_lookup</B>()
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but does not perform context translation.
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<A NAME="lbAE"> </A>
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<H2>RETURN VALUE</H2>
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On success, zero is returned. On error, -1 is returned and
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<I>errno</I>
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is set appropriately.
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<A NAME="lbAF"> </A>
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<H2>ERRORS</H2>
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<DL COMPACT>
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<DT id="1"><B>ENOENT</B>
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<DD>
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No context corresponding to the input
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<I>key</I>
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and
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<I>type</I>
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was found.
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<DT id="2"><B>EINVAL</B>
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<DD>
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The
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<I>key</I>
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and/or
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<I>type</I>
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inputs are invalid, or the context being returned failed validation.
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<DT id="3"><B>ENOMEM</B>
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<DD>
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An attempt to allocate memory failed.
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</DL>
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<A NAME="lbAG"> </A>
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<H2>AUTHOR</H2>
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Eamon Walsh <<A HREF="mailto:ewalsh@tycho.nsa.gov">ewalsh@tycho.nsa.gov</A>>
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<A NAME="lbAH"> </A>
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<H2>SEE ALSO</H2>
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<B><A HREF="/cgi-bin/man/man2html?3+selabel_open">selabel_open</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+selabel_stats">selabel_stats</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+selinux_set_callback">selinux_set_callback</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?8+selinux">selinux</A></B>(8)
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="4"><A HREF="#lbAB">NAME</A><DD>
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<DT id="5"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="6"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="7"><A HREF="#lbAE">RETURN VALUE</A><DD>
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<DT id="8"><A HREF="#lbAF">ERRORS</A><DD>
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<DT id="9"><A HREF="#lbAG">AUTHOR</A><DD>
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<DT id="10"><A HREF="#lbAH">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:56 GMT, March 31, 2021
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