#997: Support for Initrd compressed in several formats.

Adding compatibility with Ubuntu 20.04 Initrd, which is compressed in LZ4 format.

4 files changed, 17 insertions, 10 deletions

diff --git a/server/bin/installmodule b/server/bin/installmodule
index 4625bd04..b0a4ac5b 100755
--- a/server/bin/installmodule
+++ b/server/bin/installmodule
@@ -73,7 +73,8 @@ source module.conf || exit
 # Descomprimir Initrd.
 mkdir -p $tmpinit
 cd $tmpinit
-gzip -dc $INITRD | cpio -im 2>/dev/null
+COMPRESS=$(file -b "$CLIENTINITRD" | awk '{print tolower($1);}')
+$COMPRESS -dc $INITRD | cpio -im 2>/dev/null
 
 # Versión del Kernel del Initrd.
 KERNEL=$(ls -d lib/modules/[0-9]* | head -1)
diff --git a/server/bin/oglivecli b/server/bin/oglivecli
index a6e3148a..65dd2e0f 100755
--- a/server/bin/oglivecli
+++ b/server/bin/oglivecli
@@ -260,7 +260,7 @@ function download() {
 # Install an ogLive client from a previously downloaded ISO image.
 function install() {
     local OGLIVEFILE OGLIVEDIST OGLIVEREV OGLIVEKRNL OGLIVEDIR OGINITRD OGSQFS OGCLIENT=ogclient
-    local SAMBAPASS TMPDIR RSYNCSERV RSYNCCLNT
+    local COMPRESS SAMBAPASS TMPDIR RSYNCSERV RSYNCCLNT
     [ $# -ne 1 ] && raiseError usage
     OGLIVEFILE=$(realpath $DOWNLOADDIR/$1)
     # Only 1 file in pathname expansion.
@@ -289,10 +289,10 @@ function install() {
     OGINITRD=$OGLIVEDIR/oginitrd.img
     [ ! -r $OGINITRD ] && OGINITRD=$TFTPDIR/$DEFOGLIVE/oginitrd.img
     if [ -r $OGINITRD ]; then
-    SAMBAPASS=$(gzip -dc $OGINITRD | \
-    cpio -i --to-stdout scripts/ogfunctions 2>&1 | \
-            grep "^[ 	].*OPTIONS=" | \
-            sed 's/\(.*\)pass=\(\w*\)\(.*\)/\2/')
+        COMPRESS=$(file -b "$OGINITRD " | awk '{print tolower($1);}')
+        SAMBAPASS=$($COMPRESS -dc $OGINITRD | \
+            cpio -i --to-stdout scripts/ogfunctions 2>&1 | \
+            sed -n '/^[ 	].*OPTIONS=/s/.*pass=\(\w*\).*/\1/p')
     fi
     # Make ogLive backup.
     rm -fr ${OGLIVEDIR}.old
diff --git a/server/bin/setsmbpass b/server/bin/setsmbpass
index f681196b..4920d399 100755
--- a/server/bin/setsmbpass
+++ b/server/bin/setsmbpass
@@ -13,6 +13,9 @@
 #@version 1.1.0 - Soporte para varios clientes ogLive.
 #@author  Ramón M. Gómez - ETSII Univ. Sevilla
 #@date    2017-06-20
+#@version 1.2.0 - Soporte para varios compresores de Initrd.
+#@author  Ramón M. Gómez - ETSII Univ. Sevilla
+#@date    2020-09-02
 #*/ ##
 
 
@@ -76,7 +79,8 @@ for OGLIVE in $LIST; do
 	echo "Configurando cliente \"$OGLIVE\" ..."
 	mkdir -p $TMPDIR
 	cd $TMPDIR || ogRaiseError access "Directorio temporal"
-	gzip -dc "$CLIENTINITRD" | cpio -im
+	COMPRESS=$(file -b "$CLIENTINITRD" | awk '{print tolower($1);}')
+	$COMPRESS -dc "$CLIENTINITRD" | cpio -im
 	if [ -f scripts/ogfunctions ]; then
 		sed -i "s/OPTIONS=\(.*\)user=\w*\(.*\)pass=\w*\(.*\)/OPTIONS=\1user=$SAMBAUSER\2pass=$SAMBAPASS\3/" scripts/ogfunctions
 		# TEMPORAL: solución ticket 554, actualizar cliente en caché (ogLive r3257).
@@ -86,7 +90,7 @@ for OGLIVE in $LIST; do
 		echo "$SAMBAPASS" > scripts/passrsync
 		chown root.root scripts/passrsync
 		chmod 400 scripts/passrsync
-		# Generar Initrd del cliente.
+		# Generar Initrd del cliente (siempre comprimido con gzip).
 		find . | cpio -H newc -oa | gzip -9c > "$CLIENTINITRD"
 	else
 		echo "$PROG: Aviso: no se ha modificado la clave del cliente \"$OGLIVE\"."
diff --git a/server/bin/setsslkey b/server/bin/setsslkey
index 9652f006..2ea46a6e 100755
--- a/server/bin/setsslkey
+++ b/server/bin/setsslkey
@@ -58,7 +58,8 @@ if [ "$NEWKEY" != "NEW" ]; then
     if [ -r "$CLIENTINITRD" ]; then
         mkdir -p $TMPDIR
 	cd $TMPDIR || exit 3
-        gzip -dc "$CLIENTINITRD" | cpio -im
+        COMPRESS=$(file -b "$CLIENTINITRD" | awk '{print tolower($1);}')
+        $COMPRESS -dc "$CLIENTINITRD" | cpio -im
 	if [ -r scripts/ssl/id_rsa ]; then
             PRIVKEY=$(cat scripts/ssl/id_rsa |grep -v '\-\-\-')
 	    PUBLICKEY=$(cat scripts/ssl/id_rsa.pub)
@@ -94,7 +95,8 @@ for OGLIVE in $LIST; do
 	echo "Configurando cliente \"$OGLIVE\" ..."
 	mkdir -p $TMPDIR
 	cd $TMPDIR || exit 3
-	gzip -dc "$CLIENTINITRD" | cpio -im
+        COMPRESS=$(file -b "$CLIENTINITRD" | awk '{print tolower($1);}')
+        $COMPRESS -dc "$CLIENTINITRD" | cpio -im
 
         # Genero archivos de claves
 	[ -d $TMPDIR/scripts/ssl ] || mkdir -p $TMPDIR/scripts/ssl