initial commit

2026-10-14 23:44:34 -04:00
commit 1b9f8e0b59
7 changed files with 278 additions and 0 deletions
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+trap 'sync ; echo 1 >/proc/sys/kernel/sysrq ; echo b >/proc/sysrq-trigger' EXIT
+export PATH=/bin:/usr/bin HOME=/tmp/build TMPDIR=/tmp
+
+mount -t proc proc /proc
+mount -t devtmpfs devtmpfs /dev
+mount -t tmpfs -o mode=1777,size=64m tmp /tmp
+mount -t ext4 -r /dev/vdb /root/student
+mount -t ext4 -r /dev/vdc /root/grader
+mount -t ext4 /dev/vdd /root/results
+
+mkdir -p /tmp/build
+cp -a /root/student/. /tmp/build/
+cp -a --remove-destination /root/grader/build/. /tmp/build/
+chown -R 65534:65534 /tmp/build
+
+(
+  cd /tmp/build
+  ulimit -t 30 -u 256 -n 256 -f 2048
+  setpriv --reuid=65534 --regid=65534 --clear-groups \
+    timeout -s 9 30 make >/root/results/build.log 2>&1
+  echo $? >/root/results/build.status
+)
+
+[ "$(cat /root/results/build.status)" != 0 ] && exit
+
+for TEST in /root/grader/tests/*.sh ; do
+  NAME="$(basename "$TEST" .sh)"
+  timeout -s 9 10 "$TEST" 2>/dev/null >"/root/results/$NAME"
+done