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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-01-25 17:11:17 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-01-25 17:11:17 +0000
commita9929695c6ad0779eaa8cb3d68d37760981d55b7 (patch)
tree2f48135bc4a364cacd3ce07355213d4e32a9141f /package/base-files/files/lib/firstboot
parent99c311e86cd7b0ed809a7994eb618819785a6223 (diff)
add preinit modularization work by Daniel Dickinson (cshore)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19331 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/base-files/files/lib/firstboot')
-rw-r--r--package/base-files/files/lib/firstboot/05_firstboot_skip10
-rw-r--r--package/base-files/files/lib/firstboot/10_determine_parts46
-rw-r--r--package/base-files/files/lib/firstboot/10_no_fo_clear_overlay17
-rw-r--r--package/base-files/files/lib/firstboot/10_reset_has_mini_fo12
-rw-r--r--package/base-files/files/lib/firstboot/20_has_mini_fo13
-rw-r--r--package/base-files/files/lib/firstboot/20_no_fo_mount_jffs15
-rw-r--r--package/base-files/files/lib/firstboot/20_reset_clear_jffs14
-rw-r--r--package/base-files/files/lib/firstboot/30_is_rootfs_mounted10
-rw-r--r--package/base-files/files/lib/firstboot/30_no_fo_pivot11
-rw-r--r--package/base-files/files/lib/firstboot/30_reset_copy_rom13
-rw-r--r--package/base-files/files/lib/firstboot/40_copy_ramoverlay15
-rw-r--r--package/base-files/files/lib/firstboot/40_no_fo_copy_ramoverlay14
-rw-r--r--package/base-files/files/lib/firstboot/50_pivot17
-rw-r--r--package/base-files/files/lib/firstboot/99_10_no_fo_cleanup13
-rw-r--r--package/base-files/files/lib/firstboot/99_10_with_fo_cleanup13
15 files changed, 233 insertions, 0 deletions
diff --git a/package/base-files/files/lib/firstboot/05_firstboot_skip b/package/base-files/files/lib/firstboot/05_firstboot_skip
new file mode 100644
index 000000000..283f8af8d
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/05_firstboot_skip
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+check_skip() {
+ if [ "$firsboot_skip_next" = "true" ]; then
+ return 0
+ else
+ return 1
+ fi
+}
+
diff --git a/package/base-files/files/lib/firstboot/10_determine_parts b/package/base-files/files/lib/firstboot/10_determine_parts
new file mode 100644
index 000000000..3f56e32a8
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/10_determine_parts
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+set_mtd_part() {
+ partname="rootfs_data"
+ mtdpart="$(find_mtd_part $partname)"
+}
+
+set_rom_part() {
+ rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
+}
+
+set_jffs_part() {
+ jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
+}
+
+determine_mtd_part() {
+ set_mtd_part
+ if [ -z "$mtdpart" ]; then
+ echo "MTD partition not found."
+ exit 1
+ fi
+}
+
+determine_rom_part() {
+ check_skip || {
+ set_rom_part
+ if [ -z "$rom" ]; then
+ echo "You do not have a squashfs partition; aborting"
+ echo "(firstboot cannot be run on jffs2 based firmwares)"
+ exit 1
+ fi
+ }
+}
+
+determine_jffs2_part() {
+ check_skip || {
+ set_jffs_part
+ }
+}
+
+boot_hook_add switch2jffs determine_mtd_part
+boot_hook_add jffs2reset determine_mtd_part
+boot_hook_add switch2jffs determine_rom_part
+boot_hook_add jffs2reset determine_rom_part
+boot_hook_add switch2jffs determine_jffs2_part
+boot_hook_add jffs2reset determine_jffs2_part
diff --git a/package/base-files/files/lib/firstboot/10_no_fo_clear_overlay b/package/base-files/files/lib/firstboot/10_no_fo_clear_overlay
new file mode 100644
index 000000000..8a7d9b066
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/10_no_fo_clear_overlay
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_clear_overlay() {
+ # switch back to squashfs temporarily
+ pivot /rom /mnt
+
+ # get rid of the old overlay
+ umount -l /mnt
+
+ # another umount to get rid of the bind from /tmp/root
+ umount -l /mnt
+}
+
+boot_hook_add no_fo no_fo_clear_overlay
diff --git a/package/base-files/files/lib/firstboot/10_reset_has_mini_fo b/package/base-files/files/lib/firstboot/10_reset_has_mini_fo
new file mode 100644
index 000000000..125af0fae
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/10_reset_has_mini_fo
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_check_for_mini_fo() {
+ if grep -q mini_fo /proc/filesystems; then
+ reset_has_fo=true
+ fi
+}
+
+boot_hook_add jffs2reset reset_check_for_mini_fo
diff --git a/package/base-files/files/lib/firstboot/20_has_mini_fo b/package/base-files/files/lib/firstboot/20_has_mini_fo
new file mode 100644
index 000000000..257b2b54c
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/20_has_mini_fo
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+check_for_mini_fo() {
+ if ! grep -q mini_fo /proc/filesystems; then
+ boot_run_hook no_fo
+ exit 1
+ fi
+}
+
+boot_hook_add switch2jffs check_for_mini_fo
diff --git a/package/base-files/files/lib/firstboot/20_no_fo_mount_jffs b/package/base-files/files/lib/firstboot/20_no_fo_mount_jffs
new file mode 100644
index 000000000..da914b143
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/20_no_fo_mount_jffs
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_mount_jffs() {
+ # initialize jffs2
+ mount "$mtdpart" /jffs -t jffs2 || exit
+
+ # workaround to ensure that union can attach properly
+ sync
+ ls /jffs >/dev/null
+}
+
+boot_hook_add no_fo no_fo_mount_jffs
diff --git a/package/base-files/files/lib/firstboot/20_reset_clear_jffs b/package/base-files/files/lib/firstboot/20_reset_clear_jffs
new file mode 100644
index 000000000..a3cd24fe9
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/20_reset_clear_jffs
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_clear_jffs() {
+ [ "$reset_has_fo" = "true" ] && {
+ rm -rf $jffs/* 2>&-
+ mount -o remount $jffs / 2>&-
+ exit 0
+ } || reset_has_fo=false
+}
+
+boot_hook_add jffs2reset reset_clear_jffs
diff --git a/package/base-files/files/lib/firstboot/30_is_rootfs_mounted b/package/base-files/files/lib/firstboot/30_is_rootfs_mounted
new file mode 100644
index 000000000..7c3fe6c4c
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/30_is_rootfs_mounted
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+skip_if_rootfs_mounted() {
+ mount "$mtdpart" /rom/jffs -t jffs2 || exit
+}
+
+boot_hook_add switch2jffs skip_if_rootfs_mounted
diff --git a/package/base-files/files/lib/firstboot/30_no_fo_pivot b/package/base-files/files/lib/firstboot/30_no_fo_pivot
new file mode 100644
index 000000000..cb82cde5d
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/30_no_fo_pivot
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_pivot() {
+ # switch to the new (empty) jffs2
+ fopivot /jffs /rom 1
+}
+
+boot_hook_add no_fo no_fo_pivot
diff --git a/package/base-files/files/lib/firstboot/30_reset_copy_rom b/package/base-files/files/lib/firstboot/30_reset_copy_rom
new file mode 100644
index 000000000..d91c68947
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/30_reset_copy_rom
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_copy_rom() {
+ [ "$reset_has_fo" != "true" ] && {
+ dupe $jffs $rom
+ exit 0
+ }
+}
+
+boot_hook_add jffs2reset reset_copy_rom
diff --git a/package/base-files/files/lib/firstboot/40_copy_ramoverlay b/package/base-files/files/lib/firstboot/40_copy_ramoverlay
new file mode 100644
index 000000000..4b6a8828f
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/40_copy_ramoverlay
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+copy_ramoverlay() {
+ # try to avoid fs changing while copying
+ mount -o remount,ro none / 2>&-
+ # copy ramoverlay to jffs2
+ echo -n "copying files ... "
+ cp -a /tmp/root/* /rom/jffs 2>&-
+ echo "done"
+}
+
+boot_hook_add switch2jffs copy_ramoverlay
diff --git a/package/base-files/files/lib/firstboot/40_no_fo_copy_ramoverlay b/package/base-files/files/lib/firstboot/40_no_fo_copy_ramoverlay
new file mode 100644
index 000000000..ced7c1b66
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/40_no_fo_copy_ramoverlay
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_copy_ramoverlay() {
+ # copy ramoverlay to jffs2, must be done after switching
+ # to the new rootfs to avoid creating opaque directories
+ echo -n "copying files ... "
+ cp -a /tmp/root/* / >/dev/null 2>&1
+ sync
+}
+
+boot_hook_add no_fo no_fo_ramoverlay
diff --git a/package/base-files/files/lib/firstboot/50_pivot b/package/base-files/files/lib/firstboot/50_pivot
new file mode 100644
index 000000000..fa1c7b540
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/50_pivot
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+with_fo_pivot() {
+ # switch back to squashfs (temporarily)
+ # and park the ramdisk ontop of /tmp/root
+ pivot /rom /mnt
+ mount -o move /mnt /tmp/root
+
+ # /jffs is the overlay
+ # /rom is the readonly
+ fopivot /jffs /rom
+}
+
+boot_hook_add switch2jffs with_fo_pivot
diff --git a/package/base-files/files/lib/firstboot/99_10_no_fo_cleanup b/package/base-files/files/lib/firstboot/99_10_no_fo_cleanup
new file mode 100644
index 000000000..5eddfb14f
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/99_10_no_fo_cleanup
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_cleanup() {
+ echo "done"
+ umount -l /jffs
+ umount -l /tmp/root
+ exit 0
+}
+
+boot_hook_add no_fo no_fo_cleanup
diff --git a/package/base-files/files/lib/firstboot/99_10_with_fo_cleanup b/package/base-files/files/lib/firstboot/99_10_with_fo_cleanup
new file mode 100644
index 000000000..8b0015972
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/99_10_with_fo_cleanup
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+with_fo_cleanup() {
+ # try to get rid of /tmp/root
+ # this will almost always fail
+ mount /tmp/root 2>&-
+ exit 0
+}
+
+boot_hook_add switch2jffs with_fo_cleanup