Merge pull request #501 from BishopFox/gh-pages

Updated Linux install script

docs/install

@@ -1,15 +1,22 @@
 #!/bin/bash
 set -e
 
+SLIVER_GPG_KEY_ID=4449039C
+
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root"
+  exit
+fi
+
 if [ -n "$(command -v yum)" ]
 then
-    sudo -S -p '' yum -y install zip unzip curl gcc gcc-c++ make mingw64-gcc
+    yum -y install zip unzip gnupg curl gcc gcc-c++ make mingw64-gcc
 fi
 
 if [ -n "$(command -v apt-get)" ]
 then
-    DEBIAN_FRONTEND=noninteractive sudo -S -p '' apt-get install -yqq \
-        zip unzip curl build-essential \
+    DEBIAN_FRONTEND=noninteractive apt-get install -yqq \
+        zip unzip gpg curl build-essential \
         mingw-w64 binutils-mingw-w64 g++-mingw-w64
 fi
 
@@ -31,9 +38,69 @@ then
     echo "zip could not be found"
     exit 1
 fi
+# GPG
+if ! command -v gpg &> /dev/null
+then
+    echo "gpg could not be found"
+    exit 1
+fi
+
+cd /root
+echo "Running from $(pwd)"
 
-cd $HOME
-echo "Running from $HOME"
+gpg --import <<EOF
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mQINBGBlvl8BEACpoAriv9d1vf9FioSKCrretCZg4RnpjEVNDyy6Y4eFp5dyR9KK
+VJbm8gP4ymgqoTrjwqRp/tSiTB6h/inKnxlgy7It0gsRNRpZCGslPRVIQQBStiTv
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+DxkLsLOBBZZRXOrgxit+tAqinGJ6N9hOvkUlwTLfJM1tpCEFb/Z786g=
+=lxj2
+-----END PGP PUBLIC KEY BLOCK-----
+EOF
 
 #
 # Download and Unpack Sliver Server
@@ -57,44 +124,73 @@ do
     fi
 done
 
-if test -f "$SLIVER_SERVER_ZIP"; then
-    unzip -o $SLIVER_SERVER_ZIP -d $HOME
-    rm -f $SLIVER_SERVER_ZIP
+echo "Verifying signatures ..."
+gpg --default-key $SLIVER_GPG_KEY_ID --verify /root/$SLIVER_SERVER_ZIP.sig /root/$SLIVER_SERVER_ZIP
+gpg --default-key $SLIVER_GPG_KEY_ID --verify /root/$SLIVER_CLIENT_ZIP.sig /root/$SLIVER_CLIENT_ZIP
+
+if test -f "/root/$SLIVER_SERVER_ZIP"; then
+    unzip -o /root/$SLIVER_SERVER_ZIP -d /root
+    rm -f /root/$SLIVER_SERVER_ZIP
 else 
     exit 2
 fi
 
-if test -f "$HOME/$SLIVER_SERVER"; then
-    chmod 755 $HOME/$SLIVER_SERVER
-    $HOME/$SLIVER_SERVER unpack --force
+if test -f "/root/$SLIVER_SERVER"; then
+    chmod 755 /root/$SLIVER_SERVER
+    /root/$SLIVER_SERVER unpack --force
 else
     exit 3
 fi
 
-if test -f "$SLIVER_CLIENT_ZIP"; then
-    unzip -o $SLIVER_CLIENT_ZIP -d $HOME
-    rm -f $SLIVER_CLIENT_ZIP
+if test -f "/root/$SLIVER_CLIENT_ZIP"; then
+    unzip -o /root/$SLIVER_CLIENT_ZIP -d /root
+    rm -f /root/$SLIVER_CLIENT_ZIP
 else 
     exit 2
 fi
 
-if test -f "$HOME/$SLIVER_CLIENT"; then
-    chmod 755 $HOME/$SLIVER_CLIENT 
-    cp -vv $HOME/$SLIVER_CLIENT /usr/local/bin/sliver
+if test -f "/root/$SLIVER_CLIENT"; then
+    chmod 755 /root/$SLIVER_CLIENT 
+    cp -vv /root/$SLIVER_CLIENT /usr/local/bin/sliver
     chmod 755 /usr/local/bin/sliver
 else
     exit 3
 fi
 
 # systemd
-curl -o ./sliver.service https://sliver.sh/sliver.service
-cp ./sliver.service /etc/systemd/system/sliver.service
+echo "Configuring systemd service ..."
+cat > /etc/systemd/system/sliver.service <<-EOF
+[Unit]
+Description=Sliver
+After=network.target
+StartLimitIntervalSec=0
+
+[Service]
+Type=simple
+Restart=on-failure
+RestartSec=3
+User=root
+ExecStart=/root/sliver-server daemon
+
+[Install]
+WantedBy=multi-user.target
+EOF
 chown root:root /etc/systemd/system/sliver.service
 chmod 600 /etc/systemd/system/sliver.service
 systemctl start sliver
-rm -f ./sliver.service
 
-# generate local configs
-mkdir -p $HOME/.sliver-client/configs
-/root/sliver-server operator --name $USER --lhost localhost --save $HOME/.sliver-client/configs
-chown -R $USER:$USER $HOME/.sliver-client/
+# Generate local configs
+echo "Generating operator configs ..."
+mkdir -p /root/.sliver-client/configs
+/root/sliver-server operator --name root --lhost localhost --save /root/.sliver-client/configs
+chown -R root:root /root/.sliver-client/
+
+USER_DIRS=(/home/*)
+for USER_DIR in "${USER_DIRS[@]}"; do
+    USER=$(basename $USER_DIR)
+    if id -u $USER >/dev/null 2>&1; then
+        mkdir -p $USER_DIR/.sliver-client/configs
+        /root/sliver-server operator --name $USER --lhost localhost --save $USER_DIR/.sliver-client/configs
+        chown -R $USER:$USER $USER_DIR/.sliver-client/
+    fi
+done