X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/9721c6211248d5da8046bf6a2d2ffded458f8bf8..13e0098939bc3c67dd0f2e9b395318c4914b56de:/include/image.mk

diff --git a/include/image.mk b/include/image.mk
index 29328b314..276423971 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -42,23 +42,24 @@ ifneq ($(CONFIG_JFFS2_LZMA),y)
   JFFS2OPTS += -x lzma
 endif
 
+SQUASHFSCOMP := gzip
+LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
+ifeq ($(CONFIG_SQUASHFS_LZMA),y)
+  SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
+endif
+ifeq ($(CONFIG_SQUASHFS_XZ),y)
+  SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
+endif
+
 JFFS2_BLOCKSIZE ?= 64k 128k
 
 define add_jffs2_mark
 	echo -ne '\xde\xad\xc0\xde' >> $(1)
 endef
 
-# pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
+# pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
 define prepare_generic_squashfs
-	dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
-	$(call add_jffs2_mark,$(KDIR)/tmpfile.0)
-	dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
-	$(call add_jffs2_mark,$(KDIR)/tmpfile.1)
-	dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
-	$(call add_jffs2_mark,$(KDIR)/tmpfile.2)
-	dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
-	$(call add_jffs2_mark,$(1))
-	rm -f $(KDIR)/tmpfile.*
+	$(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
 endef
 
 
@@ -86,7 +87,7 @@ else
   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
     define Image/mkfs/squashfs
 		@mkdir -p $(TARGET_DIR)/overlay
-		$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp lzma -processors 1
+		$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1)
 		$(call Image/Build,squashfs)
     endef
   endif
@@ -111,7 +112,8 @@ endif
 
 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
   define Image/mkfs/targz
-		$(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
+		# Preserve permissions (-p) when building as non-root user
+		$(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
   endef
 endif
 
@@ -137,9 +139,10 @@ endif
 
 
 define Image/mkfs/prepare/default
-	- $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
-	- $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
-	- $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
+	# Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
+	- $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
+	- $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
+	- $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 	$(INSTALL_DIR) $(TARGET_DIR)/tmp
 	chmod 0777 $(TARGET_DIR)/tmp
 endef