From 618aeed559e62a247f6199d1ff4106205f2f9972 Mon Sep 17 00:00:00 2001
From: ronivay <roni@vayrynen.info>
Date: Tue, 2 Oct 2018 14:03:39 +0300
Subject: [PATCH] Fix setcap issues between distros

---
 README.md     |  1 +
 xo-install.sh | 21 +++++++++++++--------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index dc93583..d740d0d 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,7 @@ CentOS:
 Debian/Ubuntu:
 - apt-transport-https
 - ca-certificates
+- libcap2-bin
 - curl
 - yarn
 - nodejs (v8)
diff --git a/xo-install.sh b/xo-install.sh
index b94f9cc..37b871a 100755
--- a/xo-install.sh
+++ b/xo-install.sh
@@ -271,14 +271,19 @@ function InstallXO {
 		echo "Adding user to systemd config"
 		sed -i "/SyslogIdentifier=.*/a User=$XOUSER" $INSTALLDIR/xo-builds/xen-orchestra-$TIME/packages/xo-server/xo-server.service
 
-		if [ $OSNAME == "CentOS" ]; then
-			echo -n "Attempting to set cap_net_bind_service permission for /usr/bin/node..."
-			setcap 'cap_net_bind_service=+ep' /usr/bin/node >/dev/null \
-			&& echo "Success" || echo "Failed. Non-privileged user might not be able to bind to <1024 port"
-		else
-			echo -n "Attempting to set cap_net_bind_service permission for /usr/bin/nodejs..."
-			setcap 'cap_net_bind_service=+ep' /usr/bin/nodejs >/dev/null \
-			&& echo "Success" || echo "Failed. Non-privileged user might not be able to bind to <1024 port"
+		if [ "$PORT" -le "1024" ]; then
+			NODEBINARY="$(which node)"
+			if [[ -L "$NODEBINARY" ]]; then
+				NODEBINARY="$(readlink -e $NODEBINARY)"
+			fi
+
+			if [[ ! -z $NODEBINARY ]]; then
+				echo -n "Attempting to set cap_net_bind_service permission for $NODEBINARY..."
+				setcap 'cap_net_bind_service=+ep' $NODEBINARY >/dev/null \
+				&& echo "Success" || echo "Failed. Non-privileged user might not be able to bind to <1024 port. xo-server won't start most likely"
+			else
+				echo "Can't find node executable, or it's a symlink to non existing file. Not trying to setcap. xo-server won't start most likely"
+			fi
 		fi
 	fi