133 lines
3 KiB
Bash
Executable file
133 lines
3 KiB
Bash
Executable file
#!/bin/sh
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. /etc/functions.sh
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# initialize defaults
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RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
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RAMFS_COPY_DATA="" # extra data files
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export INTERACTIVE=0
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export VERBOSE=1
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export SAVE_CONFIG=1
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export SAVE_OVERLAY=0
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export DELAY=
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export CONF_IMAGE=
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# parse options
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while [ -n "$1" ]; do
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case "$1" in
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-i) export INTERACTIVE=1;;
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-d) export DELAY="$2"; shift;;
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-v) export VERBOSE="$(($VERBOSE + 1))";;
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-q) export VERBOSE="$(($VERBOSE - 1))";;
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-n) export SAVE_CONFIG=0;;
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-c) export SAVE_OVERLAY=1;;
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-f) export CONF_IMAGE="$2"; shift;;
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-*)
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echo "Invalid option: $1"
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exit 1
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;;
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*) break;;
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esac
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shift;
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done
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export CONFFILES=/tmp/sysupgrade.conffiles
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export CONF_TAR=/tmp/sysupgrade.tgz
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export ARGV="$*"
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export ARGC="$#"
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[ -z "$ARGV" ] && {
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cat <<EOF
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Usage: $0 [options] <image file or URL>
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Options:
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-d <delay> add a delay before rebooting
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-f <config> restore configuration from .tar.gz (file or url)
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-i interactive mode
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-c attempt to preserve all changed files in /etc/
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-n do not save configuration over reflash
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-q less verbose
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-v more verbose
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EOF
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exit 1
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}
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add_uci_conffiles() {
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local file="$1"
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( find /etc/config /etc/passwd /etc/group /etc/dropbear \
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/etc/firewall.user /etc/rc.local -type f;
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opkg list-changed-conffiles ) | sort -u > "$file"
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return 0
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}
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add_overlayfiles() {
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local file="$1"
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find /overlay/etc/ -type f | sed \
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-e 's,^/overlay/,/,' \
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-e '\,/META_[a-zA-Z0-9]*$,d' \
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-e '\,/functions.sh$,d' \
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-e '\,/[^/]*-opkg$,d' \
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> "$file"
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return 0
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}
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# hooks
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sysupgrade_image_check="platform_check_image"
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[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
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sysupgrade_init_conffiles="add_uci_conffiles" || \
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sysupgrade_init_conffiles="add_overlayfiles"
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include /lib/upgrade
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do_save_conffiles() {
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[ -z "$(rootfs_type)" ] && {
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echo "Cannot save config while running from ramdisk."
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ask_bool 0 "Abort" && exit
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return 0
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}
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run_hooks "$CONFFILES" $sysupgrade_init_conffiles
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ask_bool 0 "Edit config file list" && vi "$CONFFILES"
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v "Saving config files..."
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[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
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tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
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}
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type platform_check_image >/dev/null 2>/dev/null || {
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echo "Firmware upgrade is not implemented for this platform."
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exit 1
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}
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for check in $sysupgrade_image_check; do
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( eval "$check \"\$ARGV\"" ) || {
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echo "Image check '$check' failed."
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exit 1
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}
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done
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if [ -n "$CONF_IMAGE" ]; then
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case "$(get_magic_word $CONF_IMAGE cat)" in
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# .gz files
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1f8b) ;;
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*)
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echo "Invalid config file. Please use only .tar.gz files"
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exit 1
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;;
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esac
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get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
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export SAVE_CONFIG=1
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elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
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do_save_conffiles
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export SAVE_CONFIG=1
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else
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export SAVE_CONFIG=0
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fi
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run_hooks "" $sysupgrade_pre_upgrade
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if [ -n "$(rootfs_type)" ]; then
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v "Switching to ramdisk..."
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run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
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else
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do_upgrade
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fi
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