forked from extern/shorewall_code
Update for Shorewall 2.0.3a:
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@1415 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
parent
3e88508243
commit
87b34352fb
@ -36,3 +36,5 @@ Changes since 2.0.2
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16) Pass INVALID icmp packets through the blacklisting chains.
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17) Fix bogus code in process_tc_rule()
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18) Fix security vulnerability involving temporary files/directories.
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@ -28,7 +28,7 @@
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# shown below. Simply run this script to revert to your prior version of
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# Shoreline Firewall.
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VERSION=2.0.3
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VERSION=2.0.3a
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usage() # $1 = exit status
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{
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@ -82,7 +82,7 @@ startup_error() # $* = Error Message
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echo " Error: $@" >&2
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my_mutex_off
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[ -n "$TMP_DIR" ] && rm -rf $TMP_DIR
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rm -f /var/lib/shorewall/restore-$$
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[ -n "$RESTOREBASE" ] && rm -f $RESTOREBASE
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kill $$
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exit 2
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}
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@ -96,22 +96,22 @@ report () { # $* = message
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}
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#
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# Write the passed args to /var/lib/shorewall/restore-$$
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# Write the passed args to $RESTOREBASE
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#
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save_command()
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{
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echo "$@" >> /var/lib/shorewall/restore-$$
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echo "$@" >> $RESTOREBASE
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}
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#
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# Write a progress_message command to /var/lib/shorewall/restore-$$
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# Write a progress_message command to $RESTOREBASE
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#
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save_progress_message()
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{
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echo >> /var/lib/shorewall/restore-$$
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echo "progress_message \"$@\"" >> /var/lib/shorewall/restore-$$
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echo >> /var/lib/shorewall/restore-$$
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echo >> $RESTOREBASE
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echo "progress_message \"$@\"" >> $RESTOREBASE
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echo >> $RESTOREBASE
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}
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#
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@ -122,7 +122,7 @@ save_progress_message()
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#
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run_and_save_command()
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{
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echo "$@" >> /var/lib/shorewall/restore-$$
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echo "$@" >> $RESTOREBASE
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eval $*
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}
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@ -132,19 +132,19 @@ run_and_save_command()
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ensure_and_save_command()
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{
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if eval $* ; then
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echo "$@" >> /var/lib/shorewall/restore-$$
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echo "$@" >> $RESTOREBASE
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else
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[ -z "$stopping" ] && { stop_firewall; exit 2; }
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fi
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}
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#
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# Append a file in $STATEDIR to /var/lib/shorewall/restore-$$
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# Append a file in $STATEDIR to $RESTOREBASE
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#
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append_file() # $1 = File Name
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{
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save_command "cat > $STATEDIR/$1 << __EOF__"
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cat $STATEDIR/$1 >> /var/lib/shorewall/restore-$$
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cat $STATEDIR/$1 >> $RESTOREBASE
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save_command __EOF__
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}
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@ -1237,7 +1237,7 @@ stop_firewall() {
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# Turn off trace unless we were tracing "stop" or "clear"
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#
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rm -f /var/lib/shorewall/restore-$$
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[ -n "$RESTOREBASE" ] && rm -f $RESTOREBASE
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case $COMMAND in
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stop|clear)
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@ -1380,8 +1380,6 @@ stop_firewall() {
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# else. Remove the lock file and Kill the shell in case we're in a
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# subshell
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#
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rm -f /var/lib/shorewall/restore-$$
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my_mutex_off
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kill $$
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;;
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@ -2372,7 +2370,7 @@ check_config() {
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process_actions2
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rm -rf $TMP_DIR
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rm -f /var/lib/shorewall/restore-$$
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[ -n "$RESTOREBASE" ] && rm -f $RESTOREBASE
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echo "Configuration Validated"
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@ -5513,9 +5511,13 @@ define_firewall() # $1 = Command (Start or Restart)
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verify_os_version
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verify_ip
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[ -d /var/lib/shorewall ] || mkdir -p /var/lib/shorewall
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[ -d /var/lib/shorewall ] || { mkdir -p /var/lib/shorewall ; chmod 700 /var/lib/shorewall; }
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echo '#bin/sh' > /var/lib/shorewall/restore-$$
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RESTOREBASE=$(mktempfile /var/lib/shorewall)
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[ -n "$RESTOREBASE" ] || fatal_error "Cannot create temporary file in /var/lib/shorewall"
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echo '#bin/sh' >> $RESTOREBASE
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save_command "#"
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save_command "# Restore base file generated by Shorewall $version - $(date)"
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save_command "#"
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@ -5582,7 +5584,7 @@ define_firewall() # $1 = Command (Start or Restart)
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# 'shorewall save' appends the iptables-save output and '__EOF__'
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mv -f /var/lib/shorewall/restore-$$ /var/lib/shorewall/restore-base
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mv -f $RESTOREBASE /var/lib/shorewall/restore-base
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}
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@ -6004,6 +6006,8 @@ do_initialize() {
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DISABLE_IPV6=
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BRIDGING=
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DYNAMIC_ZONES=
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RESTOREBASE=
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TMP_DIR=
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stopping=
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have_mutex=
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@ -6011,13 +6015,6 @@ do_initialize() {
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nonat_seq=1
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aliases_to_add=
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TMP_DIR=/tmp/shorewall-$$
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rm -rf $TMP_DIR
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mkdir -p $TMP_DIR && chmod 700 $TMP_DIR || \
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startup_error "Can't create $TMP_DIR"
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trap "rm -rf $TMP_DIR; my_mutex_off; exit 2" 1 2 3 4 5 6 9
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FUNCTIONS=$SHARED_DIR/functions
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if [ -f $FUNCTIONS ]; then
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@ -6027,6 +6024,13 @@ do_initialize() {
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startup_error "$FUNCTIONS does not exist!"
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fi
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TMP_DIR=$(mktempdir)
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[ -n "$TMP_DIR" ] && chmod 700 $TMP_DIR || \
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startup_error "Can't create a temporary directory"
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trap "rm -rf $TMP_DIR; my_mutex_off; exit 2" 1 2 3 4 5 6 9
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ensure_config_path
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VERSION_FILE=$SHARED_DIR/version
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@ -6038,8 +6042,13 @@ do_initialize() {
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config=$(find_file shorewall.conf)
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if [ -f $config ]; then
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[ -n "$QUIET" ] || echo "Processing $config..."
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. $config
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if [ -r $config ]; then
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[ -n "$QUIET" ] || echo "Processing $config..."
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. $config
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else
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echo " ERROR: Cannot read $config (Hint: Are you root?)"
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exit 2
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fi
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else
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echo "$config does not exist!" >&2
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exit 2
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@ -336,6 +336,92 @@ mutex_off()
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rm -f $STATEDIR/lock
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}
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#
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# Determine which version of mktemp is present (if any) and set MKTEMP accortingly:
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#
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# None - No mktemp
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# BSD - BSD mktemp (Mandrake)
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# STD - mktemp.org mktemp
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#
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find_mktemp() {
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local mktemp=`which mktemp 2> /dev/null`
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if [ -n "$mktemp" ]; then
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if qt mktemp -V ; then
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MKTEMP=STD
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else
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MKTEMP=BSD
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fi
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else
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MKTEMP=None
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fi
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}
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#
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# create a temporary file. If a directory name is passed, the file will be created in
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# that directory. Otherwise, it will be created in a temporary directory.
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#
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mktempfile() {
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[ -z "$MKTEMP" ] && find_mktemp
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if [ $# -gt 0 ]; then
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case "$MKTEMP" in
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BSD)
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mktemp $1/shorewall.XXXXXX
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;;
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STD)
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mktemp -p $1 shorewall.XXXXXX
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;;
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None)
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mkdir $1/shorewall-$$ && echo $1/shorewall-$$
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;;
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*)
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echo " ERROR:Internal error in mktempfile"
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;;
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esac
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else
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case "$MKTEMP" in
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BSD)
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mktemp /tmp/shorewall.XXXXXX
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;;
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STD)
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mktemp -t shorewall.XXXXXX
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;;
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None)
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rm -f /tmp/shorewall-$$
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> /tmp/shorewall-$$ && echo /tmp/shorewall-$$
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;;
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*)
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echo " ERROR:Internal error in mktempfile"
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;;
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esac
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fi
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}
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#
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# create a temporary directory
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#
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mktempdir() {
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[ -z "$MKTEMP" ] && find_mktemp
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case "$MKTEMP" in
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BSD)
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mktemp -d /tmp/shorewall.XXXXXX
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;;
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STD)
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mktemp -td shorewall.XXXXXX
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;;
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None)
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mkdir /tmp/shorewall-$$ && echo /tmp/shorewall-$$
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;;
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*)
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echo " ERROR:Internal error in mktempdir"
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;;
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esac
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}
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#
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# Read a file and handle "INCLUDE" directives
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#
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@ -22,7 +22,7 @@
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
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#
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VERSION=2.0.3
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VERSION=2.0.3a
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usage() # $1 = exit status
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{
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@ -44,10 +44,13 @@ Problems Corrected since 2.0.2
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not possible to blacklist hosts that are mounting certain types of
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ICMP-based DOS attacks.
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Problems corrected since 2.0.3:
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Problems Corrected since 2.0.3
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1) Non-empty entries in the /etc/shorewall/tcrules DEST column
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generated an error message and Shorewall failed to start.
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1) A non-empty DEST entry in /etc/shorewall/tcrules will generate an
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error and Shorewall fails to start.
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2) A potential security vulnerablilty in the way that Shorewall
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handles temporary files and directories has been corrected.
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-----------------------------------------------------------------------
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Issues when migrating from Shorewall 2.0.2 to Shorewall 2.0.3:
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@ -115,7 +115,7 @@ showfirstchain() # $1 = name of chain
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/^Chain/ {if ( prnt == 1 ) { rslt=0; exit 0; }; };\
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/Chain '$1'/ { prnt=1; }; \
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{ if (prnt == 1) print; };\
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END { exit rslt; }' /tmp/chains-$$
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END { exit rslt; }' $TMPFILE
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}
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showchain() # $1 = name of chain
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@ -130,7 +130,7 @@ showchain() # $1 = name of chain
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/^$|^ pkts/ { next; };\
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/^Chain/ {if ( prnt == 1 ) exit; };\
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/Chain '$1'/ { prnt=1; };\
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{ if (prnt == 1) print; }' /tmp/chains-$$
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{ if (prnt == 1) print; }' $TMPFILE
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fi
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}
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@ -202,7 +202,10 @@ display_chains()
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# Send the output to a temporary file since ash craps if we try to store
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# the output in a variable.
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#
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iptables -L $IPT_OPTIONS > /tmp/chains-$$
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TMPFILE=$(mktempfile)
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[ -n "$TMPFILE" ] || { echo " ERROR:Cannot create temporary file" >&2; exit 1; }
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iptables -L $IPT_OPTIONS >> $TMPFILE
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clear
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echo "$banner $(date)"
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@ -223,7 +226,7 @@ display_chains()
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echo "Input Chains"
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echo
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chains=$(grep '^Chain.*_[in|fwd]' /tmp/chains-$$ | cut -d' ' -f 2)
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chains=$(grep '^Chain.*_[in|fwd]' $TMPFILE | cut -d' ' -f 2)
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for chain in $chains; do
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showchain $chain
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@ -233,7 +236,7 @@ display_chains()
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for zone in $zones; do
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if [ -n "$(grep "^Chain \.*${zone}" /tmp/chains-$$)" ] ; then
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if [ -n "$(grep "^Chain \.*${zone}" $TMPFILE)" ] ; then
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clear
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echo "$banner $(date)"
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echo
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@ -283,7 +286,7 @@ display_chains()
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showchain dynamic
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timed_read
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qt rm -f /tmp/chains-$$
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qt rm -f $TMPFILE
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else
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iptables -L -n -v
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timed_read
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@ -399,8 +402,8 @@ monitor_firewall() # $1 = timeout -- if negative, prompt each time that
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if qt which awk; then
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TMP_DIR=/tmp/shorewall-$$
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mkdir $TMP_DIR
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TMP_DIR=$(mktempdir)
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[ -n "$TMP_DIR" ] || { echo " ERROR:Cannot create temporary directory" >&2; exit 1; }
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haveawk=Yes
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determine_zones
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rm -rf $TMP_DIR
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@ -699,7 +702,12 @@ ensure_config_path
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config=$(find_file shorewall.conf)
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if [ -f $config ]; then
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. $config
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if [ -r $config ]; then
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. $config
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else
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echo "Cannot read $config! (Hint: Are you root?)" >&2
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exit 1
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fi
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else
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echo "$config does not exist!" >&2
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exit 2
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@ -733,7 +741,6 @@ fi
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banner="Shorewall-$version Status at $HOSTNAME -"
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case $(echo -e) in
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-e*)
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RING_BELL="echo \a"
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@ -1,5 +1,5 @@
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%define name shorewall
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%define version 2.0.3
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%define version 2.0.3a
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%define release 1
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%define prefix /usr
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@ -141,6 +141,8 @@ fi
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%doc COPYING INSTALL changelog.txt releasenotes.txt tunnel
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%changelog
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* Mon Jun 28 2004 Tom Eastep tom@shorewall.net
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- Updated to 2.0.2a-1
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* Wed Jun 23 2004 Tom Eastep tom@shorewall.net
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- Updated to 2.0.2-1
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* Sat Jun 19 2004 Tom Eastep tom@shorewall.net
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@ -26,7 +26,7 @@
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# You may only use this script to uninstall the version
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# shown below. Simply run this script to remove Seattle Firewall
|
||||
|
||||
VERSION=2.0.3
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VERSION=2.0.3a
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usage() # $1 = exit status
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{
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Loading…
Reference in New Issue
Block a user