From f5cb46e316cb2bfddd3bdd6d44536830286c9858 Mon Sep 17 00:00:00 2001
From: Kenneth Myhra <kennethmyhra@gmail.com>
Date: Mon, 24 Apr 2023 20:24:22 +0200
Subject: [PATCH] Toolchain: Exit Build*.sh scripts if executed as root

---
 Toolchain/BuildCMake.sh    | 5 +++++
 Toolchain/BuildClang.sh    | 5 +++++
 Toolchain/BuildFuseExt2.sh | 6 ++++++
 Toolchain/BuildGDB.sh      | 9 +++++++--
 Toolchain/BuildIt.sh       | 6 +++++-
 Toolchain/BuildMold.sh     | 5 +++++
 Toolchain/BuildPython.sh   | 5 +++++
 Toolchain/BuildQemu.sh     | 5 +++++
 Toolchain/BuildRuby.sh     | 5 +++++
 9 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/Toolchain/BuildCMake.sh b/Toolchain/BuildCMake.sh
index 2242d3a7385..ba832b05a2f 100755
--- a/Toolchain/BuildCMake.sh
+++ b/Toolchain/BuildCMake.sh
@@ -5,6 +5,11 @@ set -e
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildCMake.sh as root, parts of your Toolchain directory will become root-owned"
+
 PREFIX_DIR="$DIR/Local/cmake"
 BUILD_DIR="$DIR/Build/cmake"
 TARBALLS_DIR="$DIR/Tarballs"
diff --git a/Toolchain/BuildClang.sh b/Toolchain/BuildClang.sh
index 985278f9bfe..ce0c247e9af 100755
--- a/Toolchain/BuildClang.sh
+++ b/Toolchain/BuildClang.sh
@@ -5,6 +5,11 @@ set -eo pipefail
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildClang.sh as root, parts of your Toolchain directory will become root-owned"
+
 echo "$DIR"
 
 PREFIX="$DIR/Local/clang/"
diff --git a/Toolchain/BuildFuseExt2.sh b/Toolchain/BuildFuseExt2.sh
index 0247f68f7fd..3af66ae4358 100755
--- a/Toolchain/BuildFuseExt2.sh
+++ b/Toolchain/BuildFuseExt2.sh
@@ -3,6 +3,12 @@ set -e
 # This file will need to be run in bash.
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildFuseExt2.sh as root, parts of your Toolchain directory will become root-owned"
+
 export PATH="/usr/local/opt/m4/bin:$PATH"
 
 die() {
diff --git a/Toolchain/BuildGDB.sh b/Toolchain/BuildGDB.sh
index 75d16d9fd26..fba89b0aa71 100755
--- a/Toolchain/BuildGDB.sh
+++ b/Toolchain/BuildGDB.sh
@@ -1,14 +1,19 @@
 #!/usr/bin/env bash
 set -e
 
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildGDB.sh as root, parts of your Toolchain directory will become root-owned"
+
 GDB_VERSION="13.1"
 GDB_MD5SUM="4aaad768ff2585464173c091947287ec"
 GDB_NAME="gdb-$GDB_VERSION"
 GDB_PKG="${GDB_NAME}.tar.xz"
 GDB_BASE_URL="https://ftp.gnu.org/gnu/gdb"
 
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-
 ARCH=${1:-"x86_64"}
 TARGET="$ARCH-pc-serenity"
 PREFIX="$DIR/Local/$ARCH-gdb"
diff --git a/Toolchain/BuildIt.sh b/Toolchain/BuildIt.sh
index 69c2c5af2d6..8147127714b 100755
--- a/Toolchain/BuildIt.sh
+++ b/Toolchain/BuildIt.sh
@@ -2,11 +2,15 @@
 set -eo pipefail
 # This file will need to be run in bash, for now.
 
-
 # === CONFIGURATION AND SETUP ===
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildIt.sh as root, your Build directory will become root-owned"
+
 echo "$DIR"
 
 ARCH=${ARCH:-"x86_64"}
diff --git a/Toolchain/BuildMold.sh b/Toolchain/BuildMold.sh
index 1b1bb51fac5..2ca4a144cc1 100755
--- a/Toolchain/BuildMold.sh
+++ b/Toolchain/BuildMold.sh
@@ -6,6 +6,11 @@ set -e
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildMold.sh as root, parts of your Toolchain directory will become root-owned"
+
 NPROC="nproc"
 SYSTEM_NAME="$(uname -s)"
 
diff --git a/Toolchain/BuildPython.sh b/Toolchain/BuildPython.sh
index a988d5ecda5..8166a32835e 100755
--- a/Toolchain/BuildPython.sh
+++ b/Toolchain/BuildPython.sh
@@ -5,6 +5,11 @@ set -e
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildPython.sh as root, parts of your Toolchain directory will become root-owned"
+
 PREFIX_DIR="$DIR/Local/python"
 BUILD_DIR="$DIR/Build/python"
 TARBALLS_DIR="$DIR/Tarballs"
diff --git a/Toolchain/BuildQemu.sh b/Toolchain/BuildQemu.sh
index 03ff3733ffd..f7a87de1abc 100755
--- a/Toolchain/BuildQemu.sh
+++ b/Toolchain/BuildQemu.sh
@@ -5,6 +5,11 @@ set -e
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildQemu.sh as root, parts of your Toolchain directory will become root-owned"
+
 echo "$DIR"
 
 PREFIX="$DIR/Local/qemu"
diff --git a/Toolchain/BuildRuby.sh b/Toolchain/BuildRuby.sh
index ec970227e26..2d2b94765fc 100755
--- a/Toolchain/BuildRuby.sh
+++ b/Toolchain/BuildRuby.sh
@@ -5,6 +5,11 @@ set -e
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# shellcheck source=/dev/null
+. "${DIR}/../Meta/shell_include.sh"
+
+exit_if_running_as_root "Do not run BuildRuby.sh as root, parts of your Toolchain directory will become root-owned"
+
 PREFIX_DIR="$DIR/Local/ruby"
 BUILD_DIR="$DIR/Build/ruby"
 TARBALLS_DIR="$DIR/Tarballs"