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 $(1) 4 8 64 128 256
endef
ifneq ($(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)
$(call Image/Build,squashfs)
endef
endif
ifneq ($(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
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