Fix the issue introduced in LinuxGUI version. (#3128)

[Ventoy.git] / IMG / cpio / ventoy / init_chain

diff --git a/IMG/cpio/ventoy/init_chain b/IMG/cpio/ventoy/init_chain
index 17e27c7496e76fa14d8f19582979c98ae821b600..603437037fb0fba51b2b003e3137c069735f4688 100644 (file)
--- a/IMG/cpio/ventoy/init_chain
+++ b/IMG/cpio/ventoy/init_chain
@@ -18,36 +18,9 @@
 #************************************************************************************
 
 
-###################################################################
-#                                                                  #
-# Step 1 : parse kernel debug parameter                            #
-#                                                                  #
-####################################################################
-[ -d /proc ] || mkdir /proc; mount -t proc proc /proc
-vtcmdline=$(cat /proc/cmdline)
-vtkerver=$(cat /proc/version)
-umount /proc; rm -rf /proc
-
-echo "kenel version=$vtkerver" >>$VTLOG
-echo "kenel cmdline=$vtcmdline" >>$VTLOG
-
-#break here for debug
-if [ "$VTOY_BREAK_LEVEL" = "01" ] || [ "$VTOY_BREAK_LEVEL" = "11" ]; then
-    sleep 5
-    echo -e "\n\n\033[32m ################################################# \033[0m"
-    echo -e "\033[32m ################ VENTOY DEBUG ################### \033[0m"
-    echo -e "\033[32m ################################################# \033[0m \n"
-    
-    if [ "$VTOY_BREAK_LEVEL" = "11" ]; then
-        cat $VTLOG
-    fi
-    exec $BUSYBOX_PATH/sh
-fi
-
-
 ####################################################################
 #                                                                  #
-# Step 2 : extract real initramfs to /                             #
+# Step 1 : extract real initramfs to /                             #
 #                                                                  #
 ####################################################################
 cd /
@@ -64,9 +37,11 @@ else
 fi
 
 ventoy_is_initrd_ramdisk() {
-    #As I known, PCLinuxOS use ramdisk
+    #As I known, PCLinuxOS/smgl use ramdisk
     if echo $vtkerver | grep -i -q 'PCLinuxOS'; then
         true
+    elif echo $vtkerver | grep -i -q 'SMGL-'; then
+        true
     else
         false
     fi
@@ -95,25 +70,31 @@ ventoy_unpack_initramfs() {
         return
     fi
     
-    for vtx in '1F8B zcat' '1F9E zcat' '425A bzcat' '5D00 lzcat' 'FD37 xzcat' '894C lzopcat' '0221 lz4cat' '28B5 zstdcat' '3037 cat'; do
+    for vtx in '1F8B zcat' '1F9E zcat' '425A bzcat' '5D00 lzcat' 'FD37 xzcat' '894C lzopcat' '0221 lz4cat' '28B5 zstdcat' '3037 cat' '4C5A lunzip -c'; do
         if [ "${vtx:0:4}" = "${vtmagic:0:4}" ]; then
-            echo "vtx=$vtx" >> $VTLOG            
-            if [ $vtskip -eq 0 ]; then            
-                if [ "${vtx:5}" = "xzcat" ]; then
+            echo "vtx=$vtx" >> $VTLOG  
+            if [ $vtskip -ne 0 ]; then
+                dd if=$vtfile skip=$vtskip iflag=skip_bytes status=none > ${vtfile}.skip
+                rm -f $vtfile
+                mv ${vtfile}.skip $vtfile
+            fi
+
+            if [ "${vtx:5}" = "xzcat" ]; then
+                rm -f $VTOY_PATH/xzlog
+                ${vtx:5} $vtfile 2> $VTOY_PATH/xzlog | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
+                if grep -q 'corrupted data' $VTOY_PATH/xzlog; then
+                    echo 'xzcat failed, now try xzminidec...' >> $VTLOG                        
                     rm -f $VTOY_PATH/xzlog
-                    ${vtx:5} $vtfile 2> $VTOY_PATH/xzlog | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
-                    
-                    if grep -q 'corrupted data' $VTOY_PATH/xzlog; then
-                        echo 'xzcat failed, now try xzminidec...' >> $VTLOG        
-                        cat $vtfile | xzminidec | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
+                    cat $vtfile | xzminidec 2> $VTOY_PATH/xzlog | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
+
+                    if grep -q 'limit' $VTOY_PATH/xzlog; then                    
+                        echo 'xzminidec failed, now try xzcat_musl ...' >> $VTLOG  
+                        xzcat_musl $vtfile | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
                     fi
-                    
-                else
-                    ${vtx:5} $vtfile | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
                 fi
             else
-                dd if=$vtfile skip=$vtskip iflag=skip_bytes status=none | ${vtx:5} | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
-            fi
+                ${vtx:5} $vtfile | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
+            fi            
             break
         fi
     done
@@ -133,6 +114,28 @@ ventoy_unpack_initrd() {
     done    
 }
 
+vtfile_head_zero() {
+    local vsize
+    local voffset
+    local vfile
+    local vzero
+    local vdump
+    
+    voffset=0
+    vfile=$1
+    vsize=$(stat -c '%s' ${vfile})
+    vzero=$(hexdump -n 512 -e '512/1 "%02X"' $vfile)
+    
+    while [ $voffset -lt $vsize ]; do
+        vdump=$(hexdump -s $voffset -n 512 -e '512/1 "%02X"' $vfile)
+        if [ "$vdump" != "$vzero" ]; then
+            echo $voffset
+            return
+        fi
+        voffset=$($BUSYBOX_PATH/expr $voffset + 512)
+    done    
+    echo 0
+}
 
 # This export is for busybox cpio command
 export EXTRACT_UNSAFE_SYMLINKS=1
@@ -152,13 +155,22 @@ for vtfile in $(ls /initrd*); do
     #only for cpio,cpio,...,initrd sequence, initrd,cpio or initrd,initrd sequence is not supported
     while [ -e ${vtfile}_tmp ] && [ $(stat -c '%s' ${vtfile}_tmp) -gt 512 ]; do
         mv ${vtfile}_tmp $vtfile
+        
         vtdump=$(hexdump -n 512 -e '512/1 "%02X"' $vtfile)
         vtmagic=$(echo $vtdump | sed 's/^\(00\)*//')
         let vtoffset="(${#vtdump}-${#vtmagic})/2"
         
         if [ -z "$vtmagic" ]; then
-            echo "terminate with all zero data file" >> $VTLOG
-            break
+            vtHeadZero=$(vtfile_head_zero $vtfile)
+            if [ $vtHeadZero -gt 0 ]; then
+                vtdump=$(hexdump -s $vtHeadZero -n 512 -e '512/1 "%02X"' $vtfile)
+                vtmagic=$(echo $vtdump | sed 's/^\(00\)*//')
+                let vtoffset="(${#vtdump}-${#vtmagic})/2+$vtHeadZero"                
+                echo "skip head $vtHeadZero zeros with magic ${vtmagic:0:4}" >> $VTLOG
+            else
+                echo "terminate with all zero data file" >> $VTLOG            
+                break
+            fi            
         fi
         
         ventoy_unpack_initramfs $vtfile $vtoffset ${vtmagic:0:4} ${vtfile}_tmp
@@ -170,7 +182,7 @@ done
 
 #break here for debug
 if [ "$VTOY_BREAK_LEVEL" = "02" ] || [ "$VTOY_BREAK_LEVEL" = "12" ]; then
-    sleep 5
+    sleep 5    
     echo -e "\n\n\033[32m ################################################# \033[0m"
     echo -e "\033[32m ################ VENTOY DEBUG ################### \033[0m"
     echo -e "\033[32m ################################################# \033[0m \n"   
@@ -210,7 +222,7 @@ ventoy_unpack_injection() {
 
 if [ -e $VTOY_PATH/ventoy_injection ]; then
     echo "### decompress injection ... ###" >>$VTLOG
-    ventoy_unpack_injection > $VTOY_PATH/injection.log 2>&1
+    ventoy_unpack_injection > $VTOY_PATH/injection.log 2>&1    
 fi