From be2491b093b1f0ca430bede679ecbb670041e483 Mon Sep 17 00:00:00 2001 From: cassio Date: Tue, 2 Jul 2013 09:46:45 +0400 Subject: restructuring of boca's git --- doc/problemexamples/problemtemplate/compile/cpp | 172 ++++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 doc/problemexamples/problemtemplate/compile/cpp (limited to 'doc/problemexamples/problemtemplate/compile/cpp') diff --git a/doc/problemexamples/problemtemplate/compile/cpp b/doc/problemexamples/problemtemplate/compile/cpp new file mode 100644 index 0000000..6a61bc1 --- /dev/null +++ b/doc/problemexamples/problemtemplate/compile/cpp @@ -0,0 +1,172 @@ +#!/bin/bash +# //////////////////////////////////////////////////////////////////////////////// +# //BOCA Online Contest Administrator +# // Copyright (C) 2003-2012 by BOCA System (bocasystem@gmail.com) +# // +# // This program is free software: you can redistribute it and/or modify +# // it under the terms of the GNU General Public License as published by +# // the Free Software Foundation, either version 3 of the License, or +# // (at your option) any later version. +# // +# // This program is distributed in the hope that it will be useful, +# // but WITHOUT ANY WARRANTY; without even the implied warranty of +# // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# // GNU General Public License for more details. +# // You should have received a copy of the GNU General Public License +# // along with this program. If not, see . +# //////////////////////////////////////////////////////////////////////////////// +#Last modified: 21/july/2012 by cassio@ime.usp.br +# +# parameters are: +# $1 source_file +# $2 exe_file (default run.exe) +# $3 timelimit (optional, limit to run all the repetitions, by default only one repetition) +# $4 maximum allowed memory (in MBytes) +# +# 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 + +if [ "$1" == "" ]; then + echo "parameter problem" + exit 43 +fi +if [ ! -r "$1" ]; then + echo "$1 not found or it's not readable" + exit 44 +fi +name="$1" +if [ ! -r "$1" ]; then + echo "$1 not found or it's not readable" + exit 44 +fi +mkdir -p src +if [ "${name##*.}" == "zip" -a "${name##*.}" == "ZIP" ]; then + unzip "$name" -d src + name="*.c" +else + cp "$name" src +fi +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 +if [ ! -x $sf ]; then + echo "$sf not found or it's not executable" + exit 46 +fi +maxm=512000 +if [ "$4" != "" ]; then + if [ "$4" -gt "0" ]; then + maxm=${4}000 + fi +fi + +# setting up the timelimit according to the problem +if [ "$3" == "" ]; then +time=5 +else +time=$3 +fi +let "ttime = $time + 30" + +if [ "$2" == "" ]; then + exe=run.exe +else + exe=$2 +fi + +rm -f $exe compileit.retcode runit.retcode 2>/dev/null +cat < compileit.sh +#!/bin/bash +cc=\`which g++\` +[ -x "\$cc" ] || cc=/usr/bin/g++ +if [ ! -x "\$cc" ]; then + echo "\$cc not found or it's not executable" + exit 47 +fi +cd src +"\$cc" -static -O2 -o ../$exe $name -lm +echo \$? > ../compileit.retcode +exit 0 +EOF +chmod 755 compileit.sh + +cdir=`pwd` +echo "Current directory is $cdir" >&2 +echo $cdir | grep -q "/bocajail" +if [ $? == 0 ]; then + cdir=`echo $cdir | sed "s/.*\/bocajail//"` + echo "Internal directory is $cdir" + cat < runit.sh +#!/bin/bash +cd "$cdir" +[ -f /proc/cpuinfo ] || /bin/mount -t proc proc /proc +#/bin/mount --bind /dev /dev +[ -d /sys/kernel ] || /bin/mount -t sysfs sysfs /sys +$sf -r1 -F1000 -n0 -U$bocau -G$bocag -C. -ostdout0 -estderr0 -d$maxm -m$maxm -f20000 -t$ttime -T$ttime ./compileit.sh +echo \$? > runit.retcode +if [ ! -d /bocajail ]; then + /bin/umount /proc 2>/dev/null + #/bin/umount /dev + /bin/umount /sys 2>/dev/null +fi +EOF + chmod 755 runit.sh + chroot /bocajail "$cdir/runit.sh" + if [ -r runit.retcode ]; then + ret=`cat runit.retcode` + else + ret=99 + fi +else + echo "COMPILATION IS NOT BEING CHROOTED -- THIS IS NOT AN IDEAL SETTING" + $sf -r1 -F1000 -n0 -U$bocau -G$bocag -C. -ostdout0 -estderr0 -d$maxm -m$maxm -f20000 -t$ttime -T$ttime ./compileit.sh + ret=$? +fi +if [ -f "stdout0" ]; then + cat "stdout0" +fi +if [ -f "stderr0" ]; then + cat "stderr0" +fi +rm -rf src/ +if [ "$ret" != "0" ]; then + echo "Compilation Error: $ret" + exit $ret +fi +ret=`cat compileit.retcode` +if [ "$ret" != "0" ]; then + echo "Compilation Error: $ret" + ret=1 +fi +exit $ret -- cgit v1.2.3