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52 lines
2.4 KiB
52 lines
2.4 KiB
7 years ago
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From 734c3a184c3b196412e15e4db1b7419f13b901b4 Mon Sep 17 00:00:00 2001
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From: Ismo Puustinen <ismo.puustinen@intel.com>
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Date: Mon, 11 Jan 2016 09:36:14 +0200
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Subject: [PATCH] man: add AmbientCapabilities entry.
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Cherry-picked from: ece8797
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Resolves: #1387398
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---
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man/systemd.exec.xml | 29 +++++++++++++++++++++++++++++
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1 file changed, 29 insertions(+)
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diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml
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index aa5831cc2..1b14ced78 100644
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--- a/man/systemd.exec.xml
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+++ b/man/systemd.exec.xml
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@@ -766,6 +766,35 @@
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settings.</para></listitem>
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</varlistentry>
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+ <varlistentry>
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+ <term><varname>AmbientCapabilities=</varname></term>
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+
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+ <listitem><para>Controls which capabilities to include in the
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+ ambient capability set for the executed process. Takes a
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+ whitespace-separated list of capability names as read by
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+ <citerefentry project='mankier'><refentrytitle>cap_from_name</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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+ e.g. <constant>CAP_SYS_ADMIN</constant>,
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+ <constant>CAP_DAC_OVERRIDE</constant>,
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+ <constant>CAP_SYS_PTRACE</constant>. This option may appear more than
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+ once in which case the ambient capability sets are merged.
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+ If the list of capabilities is prefixed with <literal>~</literal>, all
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+ but the listed capabilities will be included, the effect of the
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+ assignment inverted. If the empty string is
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+ assigned to this option, the ambient capability set is reset to
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+ the empty capability set, and all prior settings have no effect.
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+ If set to <literal>~</literal> (without any further argument), the
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+ ambient capability set is reset to the full set of available
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+ capabilities, also undoing any previous settings. Note that adding
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+ capabilities to ambient capability set adds them to the process's
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+ inherited capability set.
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+ </para><para>
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+ Ambient capability sets are useful if you want to execute a process
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+ as a non-privileged user but still want to give it some capabilities.
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+ Note that in this case option <constant>keep-caps</constant> is
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+ automatically added to <varname>SecureBits=</varname> to retain the
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+ capabilities over the user change.</para></listitem>
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+ </varlistentry>
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+
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<varlistentry>
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<term><varname>SecureBits=</varname></term>
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<listitem><para>Controls the secure bits set for the executed
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