X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/0835d732ce79bc5d764dfeaf1d3ae6d04b767763..0874d0071557e22e37ace65cdbccdbf373a86a4c:/include/image.mk

diff --git a/include/image.mk b/include/image.mk
index d7d981ba1..753e88f87 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -19,10 +19,8 @@ IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
 
 ifneq ($(CONFIG_BIG_ENDIAN),)
   JFFS2OPTS     :=  --pad --big-endian --squash -v
-  SQUASHFS_OPTS :=  -be
 else
   JFFS2OPTS     :=  --pad --little-endian --squash -v
-  SQUASHFS_OPTS :=  -le
 endif
 
 ifeq ($(CONFIG_JFFS2_RTIME),y)
@@ -44,15 +42,12 @@ ifneq ($(CONFIG_JFFS2_LZMA),y)
   JFFS2OPTS += -x lzma
 endif
 
-ifneq ($(CONFIG_LINUX_2_6_25),)
-  USE_SQUASHFS3 := y
+LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
+ifeq ($(CONFIG_SQUASHFS_LZMA),y)
+  SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
 endif
-
-ifneq ($(USE_SQUASHFS3),)
-  MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
-else
-  MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
-  SQUASHFS_OPTS  := -comp lzma -processors 1
+ifeq ($(CONFIG_SQUASHFS_XZ),y)
+  SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
 endif
 
 JFFS2_BLOCKSIZE ?= 64k 128k
@@ -99,7 +94,7 @@ else
   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
     define Image/mkfs/squashfs
 		@mkdir -p $(TARGET_DIR)/overlay
-		$(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
+		$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) -processors 1
 		$(call Image/Build,squashfs)
     endef
   endif
@@ -124,7 +119,8 @@ 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
 
@@ -150,9 +146,10 @@ 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