From 4a1156f2802bda785e67a58893ba74517b672cc6 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Sat, 26 Nov 2011 14:35:08 +1000
Subject: Added screen support, plus some tweaks.

---
 install_opensim.sh | 22 +++++++++++++---
 opensim.screenrc   | 20 +++++++++++++++
 start-sim-in-rest  | 73 ++++++++++++++++++++++++++++++++++++++++++++----------
 3 files changed, 99 insertions(+), 16 deletions(-)
 create mode 100644 opensim.screenrc

diff --git a/install_opensim.sh b/install_opensim.sh
index 0c8c659..14d7c42 100755
--- a/install_opensim.sh
+++ b/install_opensim.sh
@@ -26,8 +26,10 @@ FLUSH PRIVILEGES;
 zzzzEOFzzz
 
 echo "Setting up OpenSim"
-sudo deluser opensim
+sudo deluser opensim --remove-home
 sudo adduser --system --shell /bin/false --group opensim
+sudo cp opensim.screenrc /home/opensim/.screenrc
+sudo chmod 744 /home/opensim/.screenrc
 sudo mkdir -p /var/log/opensim
 sudo chown opensim:opensim /var/log/opensim
 sudo chmod 777 /var/log/opensim
@@ -38,7 +40,10 @@ sudo mkdir -p /opt/opensim
 sudo chown $USER:$USER /opt/opensim
 
 cd /opt/opensim
-wget https://github.com/downloads/infinitegrid/InfiniteGrid-Opensim/opensim-0.7.1.1-infinitegrid-03.tar.bz2
+if [ ! -e opensim-0.7.1.1-infinitegrid-03.tar.bz2 ]
+then
+    wget https://github.com/downloads/infinitegrid/InfiniteGrid-Opensim/opensim-0.7.1.1-infinitegrid-03.tar.bz2
+fi
 tar xjf opensim-0.7.1.1-infinitegrid-03.tar.bz2
 ln -s opensim-0.7.1.1-infinitegrid-03 current
 mkdir -p config
@@ -56,7 +61,6 @@ mv NSLModules.Messaging.MuteList.dll ../../modules/
 ln -s ../../modules/NSLModules.Messaging.MuteList.dll NSLModules.Messaging.MuteList.dll
 mv OpenSimProfile.Modules.dll ../../modules/
 ln -s ../../modules/OpenSimProfile.Modules.dll OpenSimProfile.Modules.dll
-#sudo chown -R opensim:opensim ../../modules
 ln -s ../../config config
 
 cat > OpenSim.ConsoleClient.ini << zzzzEOFzzzz
@@ -86,5 +90,17 @@ sed -i 's@; StorageProvider = "OpenSim.Data.MySQL.dll"@StorageProvider = "OpenSi
 sed -i "s@; ConnectionString = \"Data Source=localhost;Database=opensim;User ID=opensim;Password=\*\*\*\*;\"@ConnectionString = \"Data Source=localhost;Database=opensim;User ID=opensim;Password=$MYSQL_PASSWORD;\"@" GridCommon.ini
 
 cd ../../..
+
+# Setting screen to be suid.  EWWWWWW!!!  Security hole!!
+#ImReallyParanoid="true"
+if [ "x$ImReallyParanoid" = "x" ]
+then
+    sudo chmod u+s /usr/bin/screen
+    sudo chmod g+s /usr/bin/screen
+    sudo chmod 755 /var/run/screen
+    sudo chown root:utmp /var/run/screen
+fi
+
 #sudo chown -R opensim:opensim opensim-0.7.1.1-infinitegrid-03
+#sudo chown -R opensim:opensim modules
 
diff --git a/opensim.screenrc b/opensim.screenrc
new file mode 100644
index 0000000..01a4f26
--- /dev/null
+++ b/opensim.screenrc
@@ -0,0 +1,20 @@
+# C-a :source .screenrc
+
+termcapinfo xterm* ti@:te@
+startup_message off
+vbell off
+autodetach on
+altscreen on
+shelltitle "$ |bash"
+defscrollback 10000
+defutf8 on
+nonblock on
+
+hardstatus alwayslastline
+hardstatus string '%{= kw}[ %{= kb}%H%{= kw} ][%= %{= kw}%?%-Lw%?%{= kW}%n*%f %t%?%?%{= kw}%?%+Lw%?%?%= ][ %{r}%l%{w} ]%{w}[%{r} %d/%m/%y %C %A %{w}]%{w}'
+
+bind 'q' quit
+
+multiuser on
+acladd root
+
diff --git a/start-sim-in-rest b/start-sim-in-rest
index d6aac2c..4738c2e 100755
--- a/start-sim-in-rest
+++ b/start-sim-in-rest
@@ -1,40 +1,87 @@
 #!/bin/bash
 
-osversion="current"
-NeedARest=" -console=rest"
+# Pick one of these depending on how you want your access.
+# NOTE - REST does not work.  B-(
+#NeedARest=" -console=rest"
 NeedARest=""
+Screaming="true"
+#Screaming=""
+
+USER=$(whoami)
+
+console_name=screen_console
+if [ "$USER" = "opensim" ]
+then
+    screen_session=opensim/${console_name}
+    screen_check="screen -ls opensim/"
+else
+    screen_session=${console_name}
+    screen_check="screen -ls"
+fi
+osversion="current"
    
-if [ x$1 = x ]; then
+if [ "x$1" = "x" ]; then
     pathname=$(pwd)
     tgt=$(basename $pathname)
-elif [ -d ./$1 ]; then
+elif [ -d "./$1" ]; then
     tgt=$1
-elif [ -d ./sim$1 ]; then
+elif [ -d "./sim$1" ]; then
     tgt=sim$1
 fi
-   
-if [ x$tgt = x ]; then
+
+if [ "x$tgt" = "x" ]; then
     echo "usage:"
     echo "    $ start-sim-in-rest <sim>"
     echo "where <sim> is one of: " robust sim[0-9][0-9]
     exit 1
 fi
 
-inidir=/opt/opensim/config/${tgt}
-bindir=/opt/opensim/${osversion}/bin
-if [ x$tgt = xrobust ]; then
+if [ "x$Screaming" = "xtrue" ]
+then
+   if ($screen_check | grep -q ${console_name}); then
+       echo "INFO: Screen already running"
+       true
+   else
+       echo "DEBUG: Starting screen"
+       screen -d -m -S ${console_name}
+   fi
+fi
+
+if [ "x$tgt" = "xrobust" ]; then
     exe="Robust"
 else
     exe="OpenSim"
 fi
+inidir=/opt/opensim/config/${tgt}
+bindir=/opt/opensim/${osversion}/bin
+cmd="/usr/bin/mono ${exe}.exe -inidirectory=${inidir} -logconfig=${inidir}/${exe}.exe.config $NeedARest"
 
+# Check if it's already running.
 if [ ! -e /var/run/opensim/${tgt} ]
 then
-    cd ${bindir}
-    /usr/bin/mono ${exe}.exe -inidirectory=${inidir} -logconfig=${inidir}/${exe}.exe.config $NeedARest
+    if [ "x$Screaming" = "xtrue" ]
+    then
+	tmpfile=`mktemp`
+	echo "chdir ${bindir}"          > ${tmpfile}
+	echo "screen -t ${tgt} ${cmd}" >> ${tmpfile}
+	chmod a+r ${tmpfile}
+	rm -f ${inidir}/start.screen
+	cp ${tmpfile} ${inidir}/start.screen
+	rm ${tmpfile}
+	# echo "INFO: start process and connect to screen (opensim)"
+	screen -r ${screen_session} -p "-" -X source ${inidir}/start.screen
+    else
+	cd ${bindir}
+	$cmd
+    fi
 fi
 
-if [ "x$NeedARest" = x }
+# Either way, need to start up the console after.
+if [ "x$Screaming" = "xtrue" ]
+then
+    echo "Starting screen client."
+	screen -r ${screen_session} -A
+elif [ "x$NeedARest" != "x" ]
 then
     echo "Starting rest client."
     cd ${inidir}
-- 
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