Author: trasz
Date: Wed Sep 23 15:06:51 2009
New Revision: 197434
URL: http://svn.freebsd.org/changeset/base/197434
Log:
Add ACL fuzzer. It's not used by the regression tests right now,
but I'd prefert to have it here, so it won't get lost.
Added:
head/tools/regression/acltools/aclfuzzer.sh (contents, props changed)
Added: head/tools/regression/acltools/aclfuzzer.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/regression/acltools/aclfuzzer.sh Wed Sep 23 15:06:51 2009
(r197434)
@@ -0,0 +1,225 @@
+#!/bin/sh
+#
+# Copyright (c) 2008, 2009 Edward Tomasz Napierała <tr...@freebsd.org>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# This is an NFSv4 ACL fuzzer. It expects to be run by non-root in a scratch
+# directory on a filesystem with NFSv4 ACLs support. Output it generates
+# is expected to be fed to /usr/src/tools/regression/acltools/run script.
+
+NUMBER_OF_COMMANDS=300
+
+run_command()
+{
+ echo "\$ $1"
+ eval $1 2>&1 | sed 's/^/> /'
+}
+
+rnd_from_0_to()
+{
+ max=`expr $1 + 1`
+ rnd=`jot -r 1`
+ rnd=`expr $rnd % $max`
+
+ echo $rnd
+}
+
+rnd_path()
+{
+ rnd=`rnd_from_0_to 3`
+ case $rnd in
+ 0) echo "$TMP/aaa" ;;
+ 1) echo "$TMP/bbb" ;;
+ 2) echo "$TMP/aaa/ccc" ;;
+ 3) echo "$TMP/bbb/ddd" ;;
+ esac
+}
+
+f_prepend_random_acl_on()
+{
+ rnd=`rnd_from_0_to 4`
+ case $rnd in
+ 0) u="owner@" ;;
+ 1) u="group@" ;;
+ 2) u="everyone@" ;;
+ 3) u="u:1138" ;;
+ 4) u="g:1138" ;;
+ esac
+
+ p=""
+ while :; do
+ rnd=`rnd_from_0_to 30`
+ if [ -n "$p" -a $rnd -ge 14 ]; then
+ break;
+ fi
+
+ case $rnd in
+ 0) p="${p}r" ;;
+ 1) p="${p}w" ;;
+ 2) p="${p}x" ;;
+ 3) p="${p}p" ;;
+ 4) p="${p}d" ;;
+ 5) p="${p}D" ;;
+ 6) p="${p}a" ;;
+ 7) p="${p}A" ;;
+ 8) p="${p}R" ;;
+ 9) p="${p}W" ;;
+ 10) p="${p}R" ;;
+ 11) p="${p}c" ;;
+ 12) p="${p}C" ;;
+ 13) p="${p}o" ;;
+ 14) p="${p}s" ;;
+ esac
+ done
+
+ f=""
+ while :; do
+ rnd=`rnd_from_0_to 10`
+ if [ $rnd -ge 6 ]; then
+ break;
+ fi
+
+ case $rnd in
+ 0) f="${f}f" ;;
+ 1) f="${f}d" ;;
+ 2) f="${f}n" ;;
+ 3) f="${f}i" ;;
+ esac
+ done
+
+ rnd=`rnd_from_0_to 1`
+ case $rnd in
+ 0) x="allow" ;;
+ 1) x="deny" ;;
+ esac
+
+ acl="$u:$p:$f:$x"
+
+ file=`rnd_path`
+ run_command "setfacl -a0 $acl $file"
+}
+
+f_getfacl()
+{
+ file=`rnd_path`
+ run_command "getfacl -qn $file"
+}
+
+f_ls_mode()
+{
+ file=`rnd_path`
+ run_command "ls -al $file | sed -n '2p' | cut -d' ' -f1"
+}
+
+f_chmod()
+{
+ b1=`rnd_from_0_to 7`
+ b2=`rnd_from_0_to 7`
+ b3=`rnd_from_0_to 7`
+ b4=`rnd_from_0_to 7`
+ file=`rnd_path`
+
+ run_command "chmod $b1$b2$b3$b4 $file $2"
+}
+
+f_touch()
+{
+ file=`rnd_path`
+ run_command "touch $file"
+}
+
+f_rm()
+{
+ file=`rnd_path`
+ run_command "rm -f $file"
+}
+
+f_mkdir()
+{
+ file=`rnd_path`
+ run_command "mkdir $file"
+}
+
+f_rmdir()
+{
+ file=`rnd_path`
+ run_command "rmdir $file"
+}
+
+f_mv()
+{
+ from=`rnd_path`
+ to=`rnd_path`
+ run_command "mv -f $from $to"
+}
+
+# XXX: To be implemented: chown(8), setting times with touch(1).
+
+switch_to_random_user()
+{
+ # XXX: To be implemented.
+}
+
+execute_random_command()
+{
+ rnd=`rnd_from_0_to 20`
+
+ case $rnd in
+ 0|10|11|12|13|15) cmd=f_prepend_random_acl_on ;;
+ 1) cmd=f_getfacl ;;
+ 2) cmd=f_ls_mode ;;
+ 3) cmd=f_chmod ;;
+ 4|18|19) cmd=f_touch ;;
+ 5) cmd=f_rm ;;
+ 6|16|17) cmd=f_mkdir ;;
+ 7) cmd=f_rmdir ;;
+ 8) cmd=f_mv ;;
+ esac
+
+ $cmd "XXX"
+}
+
+echo "# Fuzzing; will stop after $NUMBER_OF_COMMANDS commands."
+TMP="aclfuzzer_`dd if=/dev/random bs=1k count=1 2>/dev/null | openssl md5`"
+
+run_command "whoami"
+umask 022
+run_command "umask 022"
+run_command "mkdir $TMP"
+
+i=0;
+while [ "$i" -lt "$NUMBER_OF_COMMANDS" ]; do
+ switch_to_random_user
+ execute_random_command
+ i=`expr $i + 1`
+done
+
+run_command "find $TMP -exec setfacl -a0 everyone@:rxd:allow {} \;"
+run_command "rm -rfv $TMP"
+
+echo "# Fuzzed, thank you."
+
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