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7d0ed28d3b
+ Use rc.subr(8) features properly.
+ Do the whole job of obliterating /tmp contents in find(1).
+ Leave lost+found and quota.{user,group} in /tmp only if root-owned.
+ Make the overall structure clearer by first removing the X dirs
(perhaps along with the rest of /tmp) and then re-creating them.
+ Use "find -exec rm -rf {} +" for efficiency: each rm instance gets
a chance to kill as much files in /tmp as ARG_MAX permits.
PR: bin/104044
Submitted by: Andrey Simonenko <see PR for email>
Hacked by: yar
MFC after: 1 month
58 lines
1.6 KiB
Bash
Executable File
58 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# $FreeBSD$
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#
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# PROVIDE: cleartmp
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# REQUIRE: mountcritremote tmp
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# BEFORE: DAEMON
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. /etc/rc.subr
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name="cleartmp"
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# Disguise rcvar for the start method to run irrespective of its setting.
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rcvar1=`set_rcvar clear_tmp`
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start_cmd="${name}_start"
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stop_cmd=":"
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cleartmp_start()
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{
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# Make /tmp location variable for easier debugging.
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local tmp="/tmp"
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# X related directories to create in /tmp.
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local x11_socket_dirs="${tmp}/.X11-unix ${tmp}/.XIM-unix \
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${tmp}/.ICE-unix ${tmp}/.font-unix"
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if checkyesno ${rcvar1}; then
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echo "Clearing ${tmp}."
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# This is not needed for mfs, but doesn't hurt anything.
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# Things to note:
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# + The dot in ${tmp}/. is important.
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# + Put -prune before -exec so find never descends
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# into a directory that was already passed to rm -rf.
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# + "--" in rm arguments isn't strictly necessary, but
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# it can prevent foot-shooting in future.
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# + /tmp/lost+found is preserved, but its contents are removed.
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# + lost+found and quota.* in subdirectories are removed.
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find -x ${tmp}/. ! -name . \
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! \( -name lost+found -type d -user root \) \
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! \( \( -name quota.user -or -name quota.group \) \
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-type f -user root \) \
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-prune -exec rm -rf -- {} +
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elif checkyesno clear_tmp_X; then
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# Remove X lock files, since they will prevent you from
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# restarting X. Remove other X related directories.
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echo "Clearing ${tmp} (X related)."
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rm -rf ${tmp}/.X[0-9]-lock ${x11_socket_dirs}
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fi
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if checkyesno clear_tmp_X; then
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# Create X related directories with proper permissions.
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mkdir -m 1777 ${x11_socket_dirs}
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fi
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}
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load_rc_config $name
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run_rc_command "$1"
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