From 59fb5c611b2f5b58d838f4f7e41133006e6e2577 Mon Sep 17 00:00:00 2001
From: Tommy <contact@tommytran.io>
Date: Sun, 28 Apr 2024 13:41:30 -0700
Subject: [PATCH] Better handling for Parallels

Signed-off-by: Tommy <contact@tommytran.io>
---
 Fedora-Workstation-40.sh | 16 ++++++++++------
 Kali-Linux.sh            | 26 ++++++++++++++++++++++++++
 Ubuntu-23.10-Desktop.sh  | 28 ++++++++++++++++++++++++----
 3 files changed, 60 insertions(+), 10 deletions(-)

diff --git a/Fedora-Workstation-40.sh b/Fedora-Workstation-40.sh
index b036ca2..86452b6 100644
--- a/Fedora-Workstation-40.sh
+++ b/Fedora-Workstation-40.sh
@@ -39,6 +39,8 @@ install_options(){
     esac
 }
 
+install_options
+
 # Increase compression level
 sudo sed -i 's/zstd:1/zstd:3/g' /etc/fstab
 
@@ -55,11 +57,15 @@ echo 'umask 077' | sudo tee -a /etc/bashrc
 sudo chmod 700 /home/*
 
 # Setup NTS
-sudo rm -rf /etc/chrony.conf
-unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony.conf
-unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd
+if [ "${parallels}" = "1" ]; then
+    sudo dnf -y remove chrony
+else
+    sudo rm -rf /etc/chrony.conf
+    unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony.conf
+    unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd
 
-sudo systemctl restart chronyd
+    sudo systemctl restart chronyd
+fi
 
 # Remove nullok
 sudo /usr/bin/sed -i 's/\s+nullok//g' /etc/pam.d/system-auth
@@ -82,8 +88,6 @@ sudo chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
 sudo dracut -f
 sudo sysctl -p
 
-install_options
-
 if [ -d /boot/loader ]; then
     if [ "${parallels}" = "1" ]; then
         sudo sed -i 's/quiet root/quiet mitigations=auto,nosmt spectre_v2=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off root/g' /etc/kernel/cmdline
diff --git a/Kali-Linux.sh b/Kali-Linux.sh
index 5deb733..8385281 100644
--- a/Kali-Linux.sh
+++ b/Kali-Linux.sh
@@ -23,12 +23,38 @@ unpriv(){
   sudo -u nobody "$@"
 }
 
+install_options(){
+    output "Are you using a Parallels Virtual Machine?"
+    output "[1] Yes"
+    output "[2] No"
+    read -r choice
+    case $choice in
+        1 ) parallels=1
+            ;;
+        2 ) parallels=0
+            ;;
+        * ) output "You did not enter a valid selection."
+            install_options
+    esac
+}
+
+install_options
+
 # Update Kali
 sudo apt full-upgrade -y
 
 # Install all tools
 sudo apt install kali-linux-everything -y
 
+# Setup NTS
+sudo systemctl mask systemd-timesyncd
+
+if [ "${parallels}" = "0" ]; then
+    sudo apt install -y chrony
+    unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
+    sudo systemctl restart chronyd
+fi
+
 # Kernel hardening
 unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
 sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
diff --git a/Ubuntu-23.10-Desktop.sh b/Ubuntu-23.10-Desktop.sh
index 515a0b9..1ceac56 100644
--- a/Ubuntu-23.10-Desktop.sh
+++ b/Ubuntu-23.10-Desktop.sh
@@ -24,6 +24,23 @@ unpriv(){
     sudo -u nobody "$@"
 }
 
+install_options(){
+    output "Are you using a Parallels Virtual Machine?"
+    output "[1] Yes"
+    output "[2] No"
+    read -r choice
+    case $choice in
+        1 ) parallels=1
+            ;;
+        2 ) parallels=0
+            ;;
+        * ) output "You did not enter a valid selection."
+            install_options
+    esac
+}
+
+install_options
+
 # Compliance and updates
 sudo systemctl mask debug-shell.service
 
@@ -47,10 +64,13 @@ sudo sed -i 's/USERGROUPS_ENAB yes/USERGROUPS_ENAB no/g' /etc/login.defs
 echo 'umask 077' | sudo tee --append /etc/profile
 
 # Setup NTS
-sudo systemctl disable systemd-timesyncd
-sudo apt install -y chrony
-unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
-sudo systemctl restart chronyd
+sudo systemctl mask systemd-timesyncd
+
+if [ "${parallels}" = "0" ]; then
+    sudo apt install -y chrony
+    unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
+    sudo systemctl restart chronyd
+fi
 
 # Harden SSH
 unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf