xnu-4570.31.3.tar.gz

[apple/xnu.git] / san / tools / kasan_install

diff --git a/san/tools/kasan_install b/san/tools/kasan_install
index 5052dc945ddf8dfcf52a6d1333bcf5b833bfcc41..01e7920c3eb0766cc6590c436b476c0fff420d44 100755 (executable)
--- a/san/tools/kasan_install
+++ b/san/tools/kasan_install
@@ -4,16 +4,10 @@
 # kasan_install: set up a system to run the KASan kernel. Run with "--uninstall"
 # to reverse the setup.
 #
-# Installs a symlink to the kernel kasan in /System/Library/Kernels/kernel.kasan
-# and adds kcsuffix=kasan to boot-args.
+# Adds kcsuffix=kasan to boot-args.
 #
 
 
-kernel_name=kernel.kasan
-kernel_src=/AppleInternal/CoreOS/xnu_kasan/${kernel_name}
-SLK=/System/Library/Kernels/
-kernel_dst=${SLK}${kernel_name}
-
 if [[ `whoami` != root ]] ; then
        echo "Re-running with sudo"
        sudo "$0" "$@"
@@ -35,38 +29,8 @@ prompt() {
 
 kasan_install() {
 
-       dosymlink=0
        dobootargs=0
 
-       if [[ ! -f $kernel_src ]] ; then
-               echo "No KASan kernel found at $kernel_src"
-               exit 1
-       fi
-
-       echo -n "Installing KASan kernel... "
-
-       if [[ -L $kernel_dst && $kernel_dst -ef $kernel_src ]] ; then
-               echo "already installed."
-       elif [[ -f $kernel_dst ]] ; then
-               prompt "file exists. Overwrite?" && {
-                       echo -n "Overwriting KASan kernel... "
-                       dosymlink=1
-               }
-       else
-               dosymlink=1
-       fi
-
-       # Use a temporary directory with a symlink to kernel.kasan. We can ditto
-       # from there into /S/L/K, even with SIP enabled.
-       [[ $dosymlink -eq 1 ]] && {
-               tmp=$(mktemp -d) || exit $?
-               ln -s "$kernel_src" "$tmp" || exit $?
-               ditto "$tmp" "$SLK" || exit $?
-               rm -r "$tmp"
-               echo "done."
-       }
-
-
        echo -n "Checking KASan boot args... "
 
        bootargs=$(nvram boot-args | cut -f2)
@@ -97,42 +61,11 @@ kasan_install() {
                echo "done."
        }
 
-       [[ $dosymlink -eq 1 ]] && {
-               echo -n "Triggering kernel cache rebuild... "
-               touch /System/Library/Extensions || exit $?
-               echo "done."
-       }
-
 }
 
 
 kasan_uninstall() {
 
-       echo -n "Removing kasan kernel... "
-
-       dorm=0
-
-       if [[ -L $kernel_dst && $kernel_dst -ef $kernel_src ]] ; then
-               dorm=1
-       elif [[ -f $kernel_dst ]] ; then
-               prompt "unexpected file. Remove anyway?" && {
-                       dorm=1
-               }
-       else
-               echo "not installed."
-       fi
-
-       [[ $dorm -eq 1 ]] && {
-               if rm "$kernel_dst" ; then
-                       echo "done."
-               else
-                       if sip_enabled ; then
-                               echo "failed due to SIP - this is normal."
-                       fi
-               fi
-       }
-
-
        echo -n "Removing boot args... "
 
        bootargs=$(nvram boot-args | cut -f2)