build: use mkhash to replace various quirky md5sum/openssl calls

Signed-off-by: Felix Fietkau <nbd@nbd.name>

5 files changed, 10 insertions, 14 deletions

diff --git a/scripts/combined-ext-image.sh b/scripts/combined-ext-image.sh
index 374fe6e344..0c7b1d993d 100755
--- a/scripts/combined-ext-image.sh
+++ b/scripts/combined-ext-image.sh
@@ -47,7 +47,7 @@ while [ "$#" -gt 1 ]
 
       [ ! -f "$file" ] && echo "$ME: Not a valid file: $file" && usage
       FILES="$FILES $file"
-      md5=$(cat "$file" | md5sum -)
+      md5=$(mkhash md5 "$file")
       printf "%-32s%08x%32s" "$filename" $(stat -c "%s" "$file") "${md5%% *}" >> $IMG_OUT
       shift 2
    done
diff --git a/scripts/combined-image.sh b/scripts/combined-image.sh
index 5472b2cfd2..4e00cb89a2 100644
--- a/scripts/combined-image.sh
+++ b/scripts/combined-image.sh
@@ -16,7 +16,7 @@ dd if="$1" of="$kern" bs=$BLKSZ conv=sync 2>/dev/null
 dd if="$2" of="$root" bs=$BLKSZ conv=sync 2>/dev/null
 
 # Calculate md5sum over combined kernel and rootfs image.
-md5=$(cat "$kern" "$root" | md5sum -)
+md5=$(cat "$kern" "$root" | mkhash md5)
 
 # Write image header followed by kernel and rootfs image.
 # The header is padded to 64k, format is:
diff --git a/scripts/download.pl b/scripts/download.pl
index ad8b837288..0398c564ef 100755
--- a/scripts/download.pl
+++ b/scripts/download.pl
@@ -65,12 +65,8 @@ sub hash_cmd() {
 	my $len = length($file_hash);
 	my $cmd;
 
-	$len == 64 and return "openssl dgst -sha256 | sed -e 's,.*= ,,'";
-	$len == 32 and do {
-		my $cmd = which("md5sum") || which("md5") || die 'no md5 checksum program found, please install md5 or md5sum';
-		chomp $cmd;
-		return $cmd;
-	};
+	$len == 64 and return "mkhash sha256";
+	$len == 32 and return "mkhash md5";
 	return undef;
 }
 
diff --git a/scripts/ipkg-make-index.sh b/scripts/ipkg-make-index.sh
index c99c5fe8a3..dcd11ca191 100755
--- a/scripts/ipkg-make-index.sh
+++ b/scripts/ipkg-make-index.sh
@@ -18,7 +18,7 @@ for pkg in `find $pkg_dir -name '*.ipk' | sort`; do
 	[[ "$name" = "libc" ]] && continue
 	echo "Generating index for package $pkg" >&2
 	file_size=$(ls -l $pkg | awk '{print $5}')
-	sha256sum=$(openssl dgst -sha256 $pkg | awk '{print $2}')
+	sha256sum=$(mkhash sha256 $pkg)
 	# Take pains to make variable value sed-safe
 	sed_safe_pkg=`echo $pkg | sed -e 's/^\.\///g' -e 's/\\//\\\\\\//g'`
 	tar -xzOf $pkg ./control.tar.gz | tar xzOf - ./control | sed -e "s/^Description:/Filename: $sed_safe_pkg\\
diff --git a/scripts/om-fwupgradecfg-gen.sh b/scripts/om-fwupgradecfg-gen.sh
index 6c3b74cc1c..bb30252aa0 100644
--- a/scripts/om-fwupgradecfg-gen.sh
+++ b/scripts/om-fwupgradecfg-gen.sh
@@ -41,16 +41,16 @@ esac
 CHECK_BS=65536
 
 KERNEL_SIZE=$(stat -c%s "$KERNEL_PATH")
-KERNEL_MD5=$(md5=$(md5sum $KERNEL_PATH); echo ${md5%% *})
-KERNEL_SHA256=$(openssl dgst -sha256 $KERNEL_PATH | awk '{print $2}')
+KERNEL_MD5=$(mkhash md5 $KERNEL_PATH)
+KERNEL_SHA256=$(mkhash sha256 $KERNEL_PATH)
 KERNEL_PART_SIZE=$(size=$(($KERNEL_SIZE / $FLASH_BS)); [ $(($size * $FLASH_BS)) -lt $KERNEL_SIZE ] && size=$(($size + 1)); echo $(($size * $FLASH_BS / 1024)))
 
 ROOTFS_FLASH_ADDR=$(addr=$(($KERNEL_FLASH_ADDR + ($KERNEL_PART_SIZE * 1024))); printf "0x%x" $addr)
 ROOTFS_SIZE=$(stat -c%s "$ROOTFS_PATH")
 ROOTFS_CHECK_BLOCKS=$((($ROOTFS_SIZE / $CHECK_BS) - $MD5_SKIP_BLOCKS))
-ROOTFS_MD5=$(md5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | md5sum); echo ${md5%% *})
-ROOTFS_MD5_FULL=$(md5=$(md5sum $ROOTFS_PATH); echo ${md5%% *})
-ROOTFS_SHA256_FULL=$(openssl dgst -sha256 $ROOTFS_PATH | awk '{print $2}')
+ROOTFS_MD5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | mkhash md5)
+ROOTFS_MD5_FULL=$(mkhash md5 $ROOTFS_PATH)
+ROOTFS_SHA256_FULL=$(mkhash sha256 $ROOTFS_PATH)
 ROOTFS_CHECK_SIZE=$(printf '0x%x' $(($ROOTFS_CHECK_BLOCKS * $CHECK_BS)))
 ROOTFS_PART_SIZE=$(($MAX_PART_SIZE - $KERNEL_PART_SIZE))