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39e8c2a29a
The cleanvar script uses find -delete to remove stale files under /var, which could lead to unwanted removal of files in some unusual scenarios. For example, when a mounted fdescfs(5) is present under /var/run/samba/fd, find(1) could descend into a directory that is out of /var/run and remove files that should not be removed. To mitigate this, modify the script to use find -x, which restricts the find scope to one file system only instead of descending into mounted file systems. PR: 269213 MFC after: 1 week
47 lines
917 B
Bash
Executable file
47 lines
917 B
Bash
Executable file
#!/bin/sh
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#
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# $FreeBSD$
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#
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# PROVIDE: cleanvar
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# REQUIRE: var
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. /etc/rc.subr
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name="cleanvar"
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desc="Purge /var directory"
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rcvar="cleanvar_enable"
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start_precmd="${name}_prestart"
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start_cmd="${name}_start"
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stop_cmd=":"
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extra_commands="reload"
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reload_cmd="${name}_start"
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cleanvar_prestart()
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{
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# These files must be removed only the first time this script is run
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# on boot.
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#
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rm -f /var/run/clean_var /var/spool/lock/clean_var
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}
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cleanvar_start()
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{
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if [ -d /var/run -a ! -f /var/run/clean_var ]; then
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# Skip over logging sockets
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find -x /var/run \( -type f -or -type s ! -name log -and ! -name logpriv \) -delete
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>/var/run/clean_var
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fi
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if [ -d /var/spool/lock -a ! -f /var/spool/lock/clean_var ]; then
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find -x /var/spool/lock -type f -delete
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>/var/spool/lock/clean_var
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fi
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if [ -d /var/spool/uucp/.Temp ]; then
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find -x /var/spool/uucp/.Temp -delete
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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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