Rebuild some binaries with musl-libc to avoid virus false positive (issue #660)

BUSYBOX/build.txt

-======== Build busybox 1.32 for aarch64 ======== 
-
-ARCH=arm64 CROSS_COMPILE=aarch64-linux- make defconfig
-ARCH=arm64 CROSS_COMPILE=aarch64-linux- make menuconfig 
-----> enable static build
-----> enable ar
-----> enable inotifyd
-
-
+======== How to build ash/hexdump/xzcat for aarch64 ======== 
+#How to get ash.config/hexdump.cofig/xzcat.config
+#ARCH=arm64 CROSS_COMPILE=aarch64-linux- make allnoconfig
+#ARCH=arm64 CROSS_COMPILE=aarch64-linux- make menuconfig 
+#----> enable static build
+#----> enable xzcat
+#get aarch64_xzcat.config
+
+tar xf busybox-1.32.0.tar.bz2
+cd busybox-1.32.0
+copy aarch64_xzcat.config as .config
 ARCH=arm64 CROSS_COMPILE=aarch64-linux- make 
+rename ./busybox to xzcat
 
 
 
+======== How to build ash/hexdump/xzcat for x86_64 ==========
+#How to get ash.config/hexdump.cofig/xzcat.config
+#make allnoconfig
+#make menuconfig 
+#----> enable static build
+#----> enable xzcat
+#get x86_64_xzcat.config
 
-ARCH=arm64 CROSS_COMPILE=aarch64-linux- make allnoconfig 
 
+tar xf busybox-1.32.0.tar.bz2
+cd busybox-1.32.0
+copy x86_64_xzcat.config as .config
+modify Makefile
+CC		= gcc -specs "/usr/local/musl/lib/musl-gcc.specs"
+MODFLAGS	= -DMODULE -specs "/usr/local/musl/lib/musl-gcc.specs"
+make
+rename ./busybox to xzcat
 
-======== use mini-native-x86_64 uclibc to build ash/hexdump/busybox for x86_64 ==========
 
 

BUSYBOX/chmod/build.sh

@@ -2,7 +2,7 @@
 
 DSTDIR=../../IMG/cpio/ventoy/busybox
 
-rm -f vtchmod32 vtchmod64 vtchmodaa64
+rm -f vtchmod32 vtchmod64 vtchmod64_musl vtchmodaa64
 rm -f $DSTDIR/vtchmod32 $DSTDIR/vtchmod64 $DSTDIR/vtchmodaa64
 
 /opt/diet32/bin/diet  gcc  -Os -m32  vtchmod.c -o  vtchmod32
@@ -10,12 +10,16 @@ rm -f $DSTDIR/vtchmod32 $DSTDIR/vtchmod64 $DSTDIR/vtchmodaa64
 aarch64-linux-gcc -Os -static vtchmod.c -o  vtchmodaa64
 aarch64-linux-strip --strip-all vtchmodaa64
 
+gcc -specs "/usr/local/musl/lib/musl-gcc.specs" -Os -static vtchmod.c -o  vtchmod64_musl
+strip --strip-all vtchmod64_musl
 
 chmod 777 vtchmod32
 chmod 777 vtchmod64
 chmod 777 vtchmodaa64
+chmod 777 vtchmod64_musl
 
 cp -a vtchmod32 $DSTDIR/
 cp -a vtchmod64 $DSTDIR/
 cp -a vtchmodaa64 $DSTDIR/
+cp -a vtchmod64_musl $DSTDIR/
 

DMSETUP/build.txt

@@ -36,20 +36,16 @@ build for 32bit, static linked with dietlibc
 
 
 ======================== Build for 64bit dmsetup =========================
-https://www.uclibc.org/downloads/binaries/0.9.30.1/mini-native-x86_64.tar.bz2
 1. extract device mapper source code
-2. extract mini-native-x86_64.tar.bz2
-3. chroot to mini-native-x86_64
-3. ./configure --disable-nls  --disable-selinux --disable-shared  --enable-static_link
+2. ./configure --disable-nls  --disable-selinux --disable-shared  --enable-static_link CC='gcc -specs /usr/local/musl/lib/musl-gcc.specs'
+3. touch include/linux/limits.h include/linux/types.h   
+   echo '#include <sys/mount.h>' > include/linux/fs.h
 4. make
-5. strip dmsetup/dmsetup.static
+5. strip --strip-all dmsetup/dmsetup.static
 6. get dmsetup/dmsetup.static as the dmsetup64 binary file
 
 
-
-
 ======================== Build for arm64 dmsetup =========================
-https://www.uclibc.org/downloads/binaries/0.9.30.1/mini-native-x86_64.tar.bz2
 1. extract device mapper source code
 2. ./configure CC=aarch64-linux-gcc --target=arm --host=x86_64-linux-gnu --disable-nls  --disable-selinux --disable-shared  --enable-static_link
 3. modify include/configure.h file

DOC/BuildVentoyFromSource.txt

@@ -27,6 +27,7 @@
 2.2 Download third-part source code
     
     https://www.fefe.de/dietlibc/dietlibc-0.34.tar.xz                    ===>  /home/Ventoy-master/DOC/dietlibc-0.34.tar.xz
+    https://musl.libc.org/releases/musl-1.2.1.tar.gz                     ===>  /home/Ventoy-master/DOC/musl-1.2.1.tar.gz
     https://ftp.gnu.org/gnu/grub/grub-2.04.tar.xz                        ===>  /home/Ventoy-master/GRUB2/grub-2.04.tar.xz
     https://codeload.github.com/tianocore/edk2/zip/edk2-stable201911     ===>  /home/Ventoy-master/EDK2/edk2-edk2-stable201911.zip
     https://codeload.github.com/relan/exfat/zip/v1.3.0                   ===>  /home/Ventoy-master/ExFAT/exfat-1.3.0.zip
@@ -34,6 +35,19 @@
     https://releases.linaro.org/components/toolchain/binaries/7.4-2019.02/aarch64-linux-gnu/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu.tar.xz           ===>  /opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu.tar.xz
     https://toolchains.bootlin.com/downloads/releases/toolchains/aarch64/tarballs/aarch64--uclibc--stable-2020.08-1.tar.bz2 ===> /opt/aarch64--uclibc--stable-2020.08-1.tar.bz2
 
+2.3 Prepare third-part tools
+    cd /home/Ventoy-master/DOC/
+    tar xf musl-1.2.1.tar.gz
+    cd musl-1.2.1
+    ./configure && make install
+
+    tar xf /opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu.tar.xz  -C /opt
+    tar xf /opt/aarch64--uclibc--stable-2020.08-1.tar.bz2  -C /opt
+
+2.4 Set PATH envrioment
+    export PATH=$PATH:/opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin:/opt/aarch64--uclibc--stable-2020.08-1/bin
+    better to add this line to /root/.bashrc and relogin as root
+
 
 ==========================================
 3. All in one script

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c

@@ -1709,6 +1709,7 @@ int ventoy_check_device_result(int ret)
 
 int ventoy_check_device(grub_device_t dev)
 {
+    int workaround = 0;
     grub_file_t file;
     grub_uint64_t offset;
     char devname[64];
@@ -1726,11 +1727,29 @@ int ventoy_check_device(grub_device_t dev)
         0 == ventoy_check_file_exist("(%s,2)/grub/localboot.cfg", dev->disk->name) ||
         0 == ventoy_check_file_exist("(%s,2)/tool/mount.exfat-fuse_aarch64", dev->disk->name))
     {
-        return ventoy_check_device_result(2 | 0x1000);
+        #ifndef GRUB_MACHINE_EFI
+        if (0 == ventoy_check_file_exist("(ventoydisk)/ventoy/ventoy.cpio", dev->disk->name) ||
+            0 == ventoy_check_file_exist("(ventoydisk)/grub/localboot.cfg", dev->disk->name) ||
+            0 == ventoy_check_file_exist("(ventoydisk)/tool/mount.exfat-fuse_aarch64", dev->disk->name))
+        {
+            return ventoy_check_device_result(2 | 0x1000);
+        }
+        else
+        {
+            workaround = 1;
+        }
+        #endif
     }
 
     /* We must have partition 2 */
-    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "(%s,2)/ventoy/ventoy.cpio", dev->disk->name);
+    if (workaround)
+    {
+        file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", "(ventoydisk)/ventoy/ventoy.cpio");
+    }
+    else
+    {
+        file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "(%s,2)/ventoy/ventoy.cpio", dev->disk->name);        
+    }
     if (!file)
     {
         return ventoy_check_device_result(3 | 0x1000);
@@ -1748,37 +1767,55 @@ int ventoy_check_device(grub_device_t dev)
         return ventoy_check_device_result(5);
     }
 
-    offset = partition->start + partition->len;
-    partition = file->device->disk->partition;
-    if ((partition->number != 1) || (partition->len != 65536) || (offset != partition->start))
+    if (workaround)
     {
-        grub_file_close(file);
-        return ventoy_check_device_result(6);
+        ventoy_part_table *PartTbl = g_ventoy_part_info->MBR.PartTbl;
+        if (PartTbl[1].StartSectorId != PartTbl[0].StartSectorId + PartTbl[0].SectorCount ||
+            PartTbl[1].SectorCount != 65536)
+        {
+            grub_file_close(file);
+            return ventoy_check_device_result(6);
+        }
     }
-    grub_file_close(file);
-
-    grub_snprintf(devname, sizeof(devname), "%s,2", dev->disk->name);
-    dev2 = grub_device_open(devname);
-    if (!dev2)
+    else
     {
-        return ventoy_check_device_result(7);
+        offset = partition->start + partition->len;
+        partition = file->device->disk->partition;
+        if ((partition->number != 1) || (partition->len != 65536) || (offset != partition->start))
+        {
+            grub_file_close(file);
+            return ventoy_check_device_result(7);
+        }
     }
 
-    fs = grub_fs_probe(dev2);
-    if (!fs)
-    {
-        grub_device_close(dev2);
-        return ventoy_check_device_result(8);
-    }
+    grub_file_close(file);
 
-    fs->fs_label(dev2, &label);
-    if ((!label) || grub_strncmp("VTOYEFI", label, 7))
+    if (workaround == 0)
     {
-        grub_device_close(dev2);
-        return ventoy_check_device_result(9);
-    }
+        grub_snprintf(devname, sizeof(devname), "%s,2", dev->disk->name);
+        dev2 = grub_device_open(devname);
+        if (!dev2)
+        {
+            return ventoy_check_device_result(8);
+        }
 
-    grub_device_close(dev2);    
+        fs = grub_fs_probe(dev2);
+        if (!fs)
+        {
+            grub_device_close(dev2);
+            return ventoy_check_device_result(9);
+        }
+
+        fs->fs_label(dev2, &label);
+        if ((!label) || grub_strncmp("VTOYEFI", label, 7))
+        {
+            grub_device_close(dev2);
+            return ventoy_check_device_result(10);
+        }
+
+        grub_device_close(dev2);    
+    }
+    
     return ventoy_check_device_result(0);
 }
 

IMG/cpio/sbin/init

@@ -47,8 +47,8 @@ if [ -e $BUSYBOX_PATH/32h ]; then
         if [ -s $BUSYBOX_PATH/busybox ]; then
             $BUSYBOX_PATH/vtchmod64 $BUSYBOX_PATH/busybox
         else
-            $BUSYBOX_PATH/xzminidec64_uclibc < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox 
-            $BUSYBOX_PATH/vtchmod64_uclibc $BUSYBOX_PATH/busybox
+            $BUSYBOX_PATH/xzminidec64_musl < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox 
+            $BUSYBOX_PATH/vtchmod64_musl $BUSYBOX_PATH/busybox
         fi
     fi
 else