mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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136 lines
2.5 KiB
Bash
Executable File
136 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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# Script to test the attribute cache behavior of the local OS client.
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# If this script fails, it means that Amd cannot turn off the attrcache
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# reliably on this host, and Amd therefore may not run reliably. See
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# the README.attrcache file distributed with this am-utils.
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# -Erez Zadok, September 29, 2005
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# set PATH (must install am-utils first)
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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PATH=@sbindir@:@bindir@:/usr/ucb:/usr/bin:/bin:${PATH}
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export PATH
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# test if amd is running
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amq -p > /dev/null 2>&1
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if test $? = 0
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then
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echo "### Amd already running... please shutdown Amd first"
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exit 1
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fi
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mapfile="/tmp/amd.testmap.$$"
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logfile="/var/log/amd"
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delay=1
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a=/a
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CreateMap1 () {
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echo "### Creating correct map"
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cat - >$mapfile <<EOF
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a type:=link;fs:=/tmp/a
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EOF
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}
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CreateMap2 () {
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echo "### Creating weird map"
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cat - >$mapfile <<EOF
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a type:=link;fs:=/tmp/b
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EOF
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}
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StopAMD () {
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ctl-amd stop
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# do not delete files we may need to use to debug Amd
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# rm -f /tmp/a /tmp/b $mapfile $logfile
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}
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touch /tmp/a
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touch /tmp/b
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CreateMap1
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echo amd -x all -D all -r -l $logfile $a $mapfile -cache:=mapdefault,sync
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amd -x all -D all -r -l $logfile $a $mapfile -cache:=mapdefault,sync
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sleep 3 # give amd chance to start properly
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amq
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inode_a=`ls -lLi /tmp/a | awk '{print $1}'`
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inode_b=`ls -lLi /tmp/b | awk '{print $1}'`
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ls -lLi $a/a
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ls -lLi $a/b
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ls -l $mapfile
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# how many times to try until we call it a success...
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maxtry=10
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while test $maxtry -gt 0
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do
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echo "$maxtry tries left ..."
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let maxtry=maxtry-1
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amq
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CreateMap1
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sleep $delay
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ls -l $mapfile
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echo "### looking at a... should get a"
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ino=`ls -lLi $a/a | awk '{print $1}'`
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if test -z "$ino"
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then
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ls -li $a/a
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amq
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amq -m
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stat $a
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echo "a link does not exist!"
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StopAMD
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exit 1
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fi
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if test $ino -ne $inode_a
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then
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ls -li $a/a
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amq
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amq -m
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stat $a
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echo "a link does not point to A!"
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StopAMD
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exit 1
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fi
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# Here is the main trick we try: force amd to flush one entry, then
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# change the amd map on disk, and then see if the kernel will have
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# flushed the attribute cache; if it did, then Amd will see the
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# correctly changed map entry.
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amq -u $a/a
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sleep $delay
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stat $a
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CreateMap2
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sleep $delay
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ls -l $mapfile
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echo "### looking at a... should get b"
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ino=`ls -lLi $a/a | awk '{print $1}'`
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if test -z "$ino"
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then
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ls -li $a/a
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amq
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amq -m
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stat $a
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echo "a link does not exist!"
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StopAMD
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exit 1
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fi
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if test $ino -ne $inode_b
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then
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ls -li $a/a
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amq
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amq -m
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stat $a
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echo "a link does not point to B!"
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StopAMD
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exit 1
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fi
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amq -u $a/a
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sleep $delay
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stat $a
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done
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StopAMD
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