diff options
Diffstat (limited to 'old/C.run')
| -rwxr-xr-x | old/C.run | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/old/C.run b/old/C.run new file mode 100755 index 0000000..6336c09 --- /dev/null +++ b/old/C.run @@ -0,0 +1,141 @@ +#!/bin/bash +#////////////////////////////////////////////////////////////////////////////////////////// +#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos. +#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the +#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php +#// +#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER +#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR +#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR +#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING +#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +#/////////////////////////////////////////////////////////////////////////////////////////// +#Last modified: 17/oct/2011 by cassio@ime.usp.br +# +# parameters are: +# $1 base_filename +# $2 source_file +# $3 input_file +# $4 languagename +# $5 problemname +# $6 timelimit +# +# the output of the submission should be directed to the standard output +# +# the return code show what happened (according to safeexec): +# 0 ok +# 1 compile error +# 2 runtime error +# 3 timelimit exceeded +# 4 internal error +# 5 parameter error +# 6 internal error +# 7 memory limit exceeded +# 8 security threat +# 9 runtime error +# other_codes are unknown to boca: in this case BOCA will present the +# last line of standard output to the judge + +umask 0022 +id -u bocajail >/dev/null 2>/dev/null +if [ $? == 0 ]; then + bocau=`id -u bocajail` + bocag=`id -g bocajail` + chown bocajail.nogroup . +else + bocau=`id -u nobody` + bocag=`id -g nobody` + chown nobody.nogroup . +fi +if [ "$bocau" == "" -o "$bocag" == "" ]; then + echo "error finding user to run script" + exit 43 +fi + +# this script makes use of safeexec to execute the code with less privilegies +# make sure that directories below are correct. +sf=`which safeexec` +[ -x "$sf" ] || sf=/usr/bin/safeexec +gcc=`which gcc` +[ -x "$gcc" ] || gcc=/usr/bin/gcc + +if [ "$1" == "" -o "$2" == "" -o "$3" == "" ]; then + echo "parameter problem" + exit 43 +fi +if [ ! -r $2 ]; then + echo "$2 not found or it's not readable" + exit 44 +fi +if [ ! -r $3 ]; then + echo "$3 not found or it's not readable" + exit 45 +fi +if [ ! -x $sf ]; then + echo "$sf not found or it's not executable" + exit 46 +fi +if [ ! -x $gcc ]; then + echo "$gcc not found or it's not executable" + exit 47 +fi + +prefix=$1 +name=$2 +input=$3 + +# setting up the timelimit according to the problem +if [ "$6" == "" ]; then +time=5 +else +time=$6 +fi +let ttime=$time+30 + +$gcc -O2 -lm -o $prefix "$name" +ret=$? +if [ "$ret" != "0" ]; then + echo "Compilation Error: $ret" + exit 1 +else + cdir=`pwd` + echo "Current directory is $cdir" >&2 + echo $cdir | grep -q "/bocajail" + if [ $? == 0 ]; then + cdir=`echo $cdir | sed "s/.*\/bocajail//"` + cat <<EOF > runit.sh +#!/bin/bash +[ -f /proc/cpuinfo ] || /bin/mount -t proc proc /proc +#/bin/mount --bind /dev /dev +[ -d /sys/kernel ] || /bin/mount -t sysfs sysfs /sys +cd $cdir +$sf -F10 -n0 -U$bocau -G$bocag -C. -ostdout0 -estderr0 -d512000 -m512000 -f20000 -t$time -T$ttime -i$input ./$prefix +echo \$? > runit.retcode +/bin/umount /proc 2>/dev/null +#/bin/umount /dev +/bin/umount /sys 2>/dev/null +EOF + chmod 755 runit.sh + chroot /bocajail $cdir/runit.sh + ret=`cat runit.retcode` + if [ "$ret" == "" ]; then + echo "Execution error - check autojudging" + exit 49 + fi + else + echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2 + echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2 + echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2 + $sf -F10 -n0 -C. -U$bocau -G$bocag -ostdout0 -estderr0 -d512000000 -m512000000 -t$time -T$ttime -i$input ./$prefix + ret=$? + fi + if [ $ret -gt 10 ]; then + ret=0 + fi +fi +if [ -f stdout0 ]; then + cat stdout0 +fi +exit $ret |