From 6eea8f48ac415be6208ffb55167b67a539874ac4 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 8 Sep 2016 12:34:05 +0200
Subject: [pvs2] Support fetching remote pvs2.ini; honor exam mode, dedicated
 flag

---
 .../system/multi-user.target.wants/pvsmgr.service  |  1 +
 .../pvs2/data/etc/systemd/system/pvsmgr.service    | 12 +++++++++
 .../modules/pvs2/data/opt/openslx/bin/pvsstartup   | 13 +++++++++-
 .../pvs2/data/opt/openslx/scripts/setup-pvsmgr     |  8 ++++++
 .../pvs2/data/opt/openslx/scripts/systemd-pvsmgr   | 30 ++++++++++++++++++++++
 5 files changed, 63 insertions(+), 1 deletion(-)
 create mode 120000 remote/modules/pvs2/data/etc/systemd/system/multi-user.target.wants/pvsmgr.service
 create mode 100644 remote/modules/pvs2/data/etc/systemd/system/pvsmgr.service
 create mode 100644 remote/modules/pvs2/data/opt/openslx/scripts/systemd-pvsmgr

diff --git a/remote/modules/pvs2/data/etc/systemd/system/multi-user.target.wants/pvsmgr.service b/remote/modules/pvs2/data/etc/systemd/system/multi-user.target.wants/pvsmgr.service
new file mode 120000
index 00000000..cab88a66
--- /dev/null
+++ b/remote/modules/pvs2/data/etc/systemd/system/multi-user.target.wants/pvsmgr.service
@@ -0,0 +1 @@
+../pvsmgr.service
\ No newline at end of file
diff --git a/remote/modules/pvs2/data/etc/systemd/system/pvsmgr.service b/remote/modules/pvs2/data/etc/systemd/system/pvsmgr.service
new file mode 100644
index 00000000..281e1ab4
--- /dev/null
+++ b/remote/modules/pvs2/data/etc/systemd/system/pvsmgr.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Fetch up to date pvsmgr config
+DefaultDependencies=no
+After=tmp.target
+Wants=tmp.target
+Before=graphical.target
+
+[Service]
+Type=oneshot
+ExecStart=/opt/openslx/scripts/systemd-pvsmgr
+RemainAfterExit=yes
+
diff --git a/remote/modules/pvs2/data/opt/openslx/bin/pvsstartup b/remote/modules/pvs2/data/opt/openslx/bin/pvsstartup
index b77dcd51..dc7bd48a 100755
--- a/remote/modules/pvs2/data/opt/openslx/bin/pvsstartup
+++ b/remote/modules/pvs2/data/opt/openslx/bin/pvsstartup
@@ -1,7 +1,15 @@
 #!/bin/ash
 
-# TODO UNTESTED!
 timediff=5
+counter=0
+
+. /opt/openslx/config
+if [ -n "$SLX_PVS_CONFIG_URL" ]; then
+	[ -z "$UID" ] && UID="$(id -u)"
+	[ -z "$HOME" ] && HOME="$(getent passwd "$UID" | head -n 1 | awk -F ':' '{print $6}')"
+	wget -O "$HOME/.config/openslx/pvs2/pvs2.ini" "$SLX_PVS_CONFIG_URL"
+fi
+
 while [ $timediff -gt 3 ]; do
 	start="$(date +%s)"
 	pvsclient "$@"
@@ -10,6 +18,9 @@ while [ $timediff -gt 3 ]; do
 	/opt/openslx/pvs2/kb-unlock.sh
 	[ "$ret" == "0" ] && break
 	timediff=$(( end - start ))
+	counter=$(( counter + 1 ))
+	[ $counter -gt 8 ] && break
 done
 
+exit $ret
 
diff --git a/remote/modules/pvs2/data/opt/openslx/scripts/setup-pvsmgr b/remote/modules/pvs2/data/opt/openslx/scripts/setup-pvsmgr
index 7a6c13d9..f58ce099 100755
--- a/remote/modules/pvs2/data/opt/openslx/scripts/setup-pvsmgr
+++ b/remote/modules/pvs2/data/opt/openslx/scripts/setup-pvsmgr
@@ -1,4 +1,12 @@
 #!/bin/ash
 
 openbox &
+
+. /opt/openslx/config
+if [ -n "$SLX_PVS_CONFIG_URL" ]; then
+	[ -z "$UID" ] && UID="$(id -u)"
+	[ -z "$HOME" ] && HOME="$(getent passwd "$UID" | head -n 1 | awk -F ':' '{print $6}')"
+	wget -O "$HOME/.config/openslx/pvs2/pvs2.ini" "$SLX_PVS_CONFIG_URL"
+fi
+
 exec /opt/openslx/bin/pvsmgr --manager-only
diff --git a/remote/modules/pvs2/data/opt/openslx/scripts/systemd-pvsmgr b/remote/modules/pvs2/data/opt/openslx/scripts/systemd-pvsmgr
new file mode 100644
index 00000000..34ae61d5
--- /dev/null
+++ b/remote/modules/pvs2/data/opt/openslx/scripts/systemd-pvsmgr
@@ -0,0 +1,30 @@
+#!/bin/ash
+
+. /opt/openslx/config
+DST="/opt/openslx/pvs2/pvs2.ini"
+
+# Try to get fresh version from server
+if [ -n "$SLX_PVS_CONFIG_URL" ]; then
+	wget -O "${DST}.new" "$SLX_PVS_CONFIG_URL"
+	[ -s "${DST}.new" ] && mv -f "${DST}.new" "${DST}"
+fi
+
+# Patch exam mode according to what our fetched config says
+if [ -n "$SLX_EXAM" ]; then
+	EMODE=True
+else
+	EMODE=False
+fi
+sed -i "/^examMode/d;/^\\[General\\]/a examMode=$EMODE" "$DST"
+
+# If this is a dedicated PVS station, make it launch right away
+if [ -n "$SLX_PVS_DEDICATED" ] && cd /opt/openslx/xsessions; then
+	for file in *.desktop; do
+		cp -f "/usr/share/xsessions/pvs2mgr.desktop" "$file"
+	done
+	# patch autologin into kdmrc
+	sed -i '/AutoLogin.*=/d;/^\[X-.*-Core\]/a AutoLoginEnable=true\nAutoLoginUser=demo\nAutoLoginAgain=true\nAutoLoginDelay=0' "/etc/kde/kdm/kdmrc"
+fi
+
+exit 0
+
-- 
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