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man: document secure mode support for the more(1) pager

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Signed-off-by: Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>
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Christian Goeschel Ndjomouo
2026-04-27 13:04:43 -04:00
parent 81d23b58e8
commit 84e53b8cfc
1 changed files with 7 additions and 4 deletions
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man/common-variables.xml
+7 -4
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@@ -190,11 +190,14 @@
allowing untrusted users to execute commands with elevated privileges.</para>
<para>This option takes a boolean argument. When set to true, the "secure mode" of the pager is
enabled. In "secure mode", <option>LESSSECURE=1</option> will be set when invoking the pager, which
instructs the pager to disable commands that open or create new files or start new subprocesses.
enabled. In "secure mode", <option>LESSSECURE=1</option> and <option>PAGERSECURE=1</option> will be set
when invoking the pager, which instructs the pager to disable commands that open or create new files or
start new subprocesses.
Currently only <citerefentry
project='man-pages'><refentrytitle>less</refentrytitle><manvolnum>1</manvolnum></citerefentry> is known
to understand this variable and implement "secure mode".</para>
project='man-pages'><refentrytitle>less</refentrytitle><manvolnum>1</manvolnum></citerefentry> and
<citerefentry
project='man-pages'><refentrytitle>more</refentrytitle><manvolnum>1</manvolnum></citerefentry> are known
to understand these variables, respectively, and implement "secure mode".</para>
<para>When set to false, no limitation is placed on the pager. Setting
<varname>SYSTEMD_PAGERSECURE=0</varname> or not removing it from the inherited environment may allow