Fix the issue that VTOY_LINUX_REMOUNT=1 does not work on some distros (e.g. Pop OS...

[Ventoy.git] / IMG / cpio / ventoy / hook / ventoy-hook-lib.sh

diff --git a/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh b/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh
index 80765e3a2b7990497db4279cf0d1de180cd59035..62c29967d3a49ad1e54feba7b810a310aa6fbe40 100644 (file)
--- a/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh
+++ b/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh
@@ -209,11 +209,20 @@ ventoy_check_dm_module() {
         vtlog "modprobe failed, now try to insmod ko..."
     
         $FIND /lib/modules/ -name "dm-mod.ko*" | while read vtline; do
-            vtlog "insmode $vtline "
+            vtlog "insmod $vtline "
             $BUSYBOX_PATH/insmod $vtline >>$VTLOG 2>&1
+            if [ $? -eq 0 ]; then
+                vtlog "insmod success"
+            else
+                vtlog "insmod failed, try decompress"
+                if echo $vtline | $GREP -q "\.zst"; then
+                    $VTOY_PATH/tool/zstdcat $vtline > $VTOY_PATH/extract_dm_mod.ko
+                    $BUSYBOX_PATH/insmod $VTOY_PATH/extract_dm_mod.ko >>$VTLOG 2>&1
+                fi
+            fi
         done
     fi
-    
+
     if $GREP -q 'device-mapper' /proc/devices; then
         vtlog "device-mapper found in /proc/devices after retry"
         $BUSYBOX_PATH/true; return
@@ -223,6 +232,42 @@ ventoy_check_dm_module() {
     fi
 }
 
+ventoy_need_proc_ibt() {
+    vtKv=$($BUSYBOX_PATH/uname -r)
+    vtMajor=$(echo $vtKv | $AWK -F. '{print $1}')
+    vtMinor=$(echo $vtKv | $AWK -F. '{print $2}')
+    
+    #ibt was supported since linux kernel 5.18
+    if [ $vtMajor -lt 5 ]; then
+        $BUSYBOX_PATH/false; return
+    elif [ $vtMajor -eq 5 ]; then
+        if [ $vtMajor -lt 18 ]; then
+            $BUSYBOX_PATH/false; return
+        fi
+    fi
+    
+    if $GREP -q ' ibt=off' /proc/cmdline; then
+        $BUSYBOX_PATH/false; return
+    fi
+
+    #hardware CPU doesn't support IBT
+    if $VTOY_PATH/tool/vtoykmod -I; then
+        :
+    else
+        $BUSYBOX_PATH/false; return
+    fi
+    
+    #dot.CONFIG not enabled
+    if $GREP -q ' ibt_restore$' /proc/kallsyms; then
+        :
+    else
+        $BUSYBOX_PATH/false; return
+    fi
+    
+    $BUSYBOX_PATH/true
+}
+
+
 ventoy_need_dm_patch() {
     if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then
         if $GREP -q 'VTOY_LINUX_REMOUNT=1' /proc/cmdline; then
@@ -256,6 +301,7 @@ ventoy_need_dm_patch() {
 }
 
 ventoy_dm_patch() {
+    vtDmPatchDebug=0
     vtMType=$($BUSYBOX_PATH/uname -m)
 
     vtlog "######### ventoy_dm_patch ############"
@@ -269,6 +315,16 @@ ventoy_dm_patch() {
         return
     fi
 
+    if ventoy_need_proc_ibt; then
+        vtlog "need to proc IBT"
+        vtKoName=dm_patch_ibt_64.ko
+        vtIBT='0x8888'
+    else
+        vtlog "NO need to proc IBT"
+        vtIBT='0'
+    fi 
+
+
     if [ -f $VTOY_PATH/tool/$vtKoName ]; then
         vtlog "/ventoy/tool/$vtKoName exist OK"
     else
@@ -304,6 +360,15 @@ ventoy_dm_patch() {
     kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
     
     if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
+        vtDmPatchDebug=1
+    fi
+    
+    if $GREP -q 'dmpatch_debug' /proc/cmdline; then
+        vtDmPatchDebug=1
+    fi
+    
+    
+    if [ $vtDmPatchDebug -eq 1 ]; then
         printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
         if [ -z "$printk_addr" ]; then
             printk_addr=$($GREP ' _printk$' /proc/kallsyms | $AWK '{print $1}')
@@ -338,14 +403,17 @@ ventoy_dm_patch() {
         return
     elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
         vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
-    else
+    elif [ -d /lib/modules/$vtKv/kernel ]; then
         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
+    elif [ -d /lib/modules/$vtKv/initrd ]; then
+        vtModPath=$($FIND /lib/modules/$vtKv/initrd/ -name "xfs.ko*" | $HEAD -n1)
     fi
-    
+
+
     if [ -z "$vtModPath" ]; then
-        vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
+        vtModPath=$($FIND /lib/modules/$vtKv/ -name "*.ko*" | $HEAD -n1)
     fi
-    
+
     vtModName=$($BUSYBOX_PATH/basename $vtModPath)
     
     vtlog "template module is $vtModPath $vtModName"
@@ -359,24 +427,32 @@ ventoy_dm_patch() {
         $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
     elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
         $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
+    elif echo $vtModPath | $GREP -q "[.]ko[.]zst$"; then
+        $VTOY_PATH/tool/zstdcat $vtModPath > $VTOY_PATH/$vtModName
     else
         vtlog "unsupport module type"
         return
     fi
     
+       
+    
     #step1: modify vermagic/mod crc/relocation
     vtlog "$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
-    $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
+    $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug >>$VTLOG 2>&1
     
     #step2: fill parameters
     vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
-    vtlog "$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtDebug"
-    $VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtDebug
+    vtlog "$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug"
+    $VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug >>$VTLOG 2>&1
 
-    $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
+    vtlog "insmod $VTOY_PATH/tool/$vtKoName"
+    $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName  >>$VTLOG 2>&1
     
     if $GREP -q 'dm_patch' /proc/modules; then
+        vtlog "dm_patch module OK"
         echo "done" > $VTOY_PATH/dm_patch_done
+    else
+        vtlog "dm_patch module FAILED"
     fi
     
 }