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374 lines
11 KiB
Bash
374 lines
11 KiB
Bash
#!/bin/sh
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. /lib/functions.sh
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. /lib/functions/system.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 MTD_CONFIG_ARGS=""
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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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export CONF_BACKUP_LIST=0
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export CONF_BACKUP=
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export CONF_RESTORE=
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export NEED_IMAGE=
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export HELP=0
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export FORCE=0
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export TEST=0
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export PACKAGE_LIST=0
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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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-b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
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-r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
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-l|--list-backup) export CONF_BACKUP_LIST=1; break;;
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-p|--list-packages) export PACKAGE_LIST=1; break;;
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-f) export CONF_IMAGE="$2"; shift;;
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-F|--force) export FORCE=1;;
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-T|--test) export TEST=1;;
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-h|--help) export HELP=1; break;;
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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" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
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cat <<EOF
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Usage: $0 [<upgrade-option>...] [nand] <image file or URL>
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$0 [-q] [-i] <backup-command> <file>
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upgrade-option:
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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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-T | --test
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Verify image and config .tar.gz but do not actually flash.
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-F | --force
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Flash image even if image checks fail, this is dangerous!
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-q less verbose
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-v more verbose
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-h | --help display this help
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nand NAND base update mechanis, expects .tar with CONTROL, kernel, rootfs
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(devolo modified)
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needs to be passed as first non-option directly before file name
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backup-command:
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-b | --create-backup <file>
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create .tar.gz of files specified in sysupgrade.conf
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then exit. Does not flash an image. If file is '-',
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i.e. stdout, verbosity is set to 0 (i.e. quiet).
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-r | --restore-backup <file>
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restore a .tar.gz created with sysupgrade -b
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then exit. Does not flash an image. If file is '-',
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the archive is read from stdin.
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-l | --list-backup
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list the files that would be backed up when calling
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sysupgrade -b. Does not create a backup file.
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-p | --list-packages
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list the packages that were installed by the user.
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Does not create a backup file.
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EOF
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exit 1
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}
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[ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
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cat <<-EOF
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-b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
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Do not specify both -b|-r and a firmware image.
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EOF
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exit 1
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}
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# prevent messages from clobbering the tarball when using stdout
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[ "$CONF_BACKUP" = "-" ] && export VERBOSE=0
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# delos extension
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dump_installed_packages() {
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# print a list of installed packages which are not in the original image
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local PACKAGE SEP VERSION TAG FLAGS FLAG
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opkg list_installed | while read PACKAGE SEP VERSION; do
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# installed in rootfs image?
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[ -e "/rom/usr/lib/opkg/info/$PACKAGE.control" ] && continue
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# not installed as dependency? (has flag 'ok' instead of 'user')
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opkg status $PACKAGE | grep '^Status:' | while read TAG FLAGS; do
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for FLAG in $FLAGS; do
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[ "$FLAG" = "user" ] && echo $PACKAGE && break;
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done
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done
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done
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# and packages that failed to install in the current image
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[ -e /etc/sysupgrade.packages-install-fail.conf ] && {
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for PACKAGE in $(cat /etc/sysupgrade.packages-install-fail.conf); do
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[ -z "$(opkg list-installed $PACKAGE)" ] && echo $PACKAGE
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done
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}
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}
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add_installed_packages() {
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dump_installed_packages >/tmp/sysupgrade.packages-installed.conf
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rm -f /etc/sysupgrade.packages-installed.conf
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[ -s /tmp/sysupgrade.packages-installed.conf ] && {
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mv /tmp/sysupgrade.packages-installed.conf /etc
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echo /etc/sysupgrade.packages-installed.conf
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}
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}
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# devolo: only include config files which are dynamic in delos
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DVL_CONFIGFILE_WHITELIST=" \
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-e ^/etc$ \
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-e ^/etc/uhttpd.crt$ \
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-e ^/etc/uhttpd.key$ \
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-e ^/etc/dropbear$ \
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-e ^/etc/dropbear/dropbear_dss_host_key$ \
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-e ^/etc/dropbear/dropbear_rsa_host_key$ \
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-e ^/etc/shadow$ \
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-e ^/etc/config$ \
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-e ^/etc/config/ \
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-e ^/lib$ \
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-e ^/lib/firmware$ \
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-e ^/lib/firmware/plc$ \
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-e ^/lib/firmware/plc/user.pib$ \
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-e ^/lib/firmware/plc/user.pib.tmp$ \
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-e ^/lib/firmware/plc/user.nvm$ \
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-e ^/lib/firmware/plc/user.nvm.tmp$ \
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"
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sanitize_conffile_list() {
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local filelist="$1"
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mv -f "$filelist" "$filelist.tmp"
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grep $DVL_CONFIGFILE_WHITELIST "$filelist.tmp" > "$filelist"
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rm -f "$filelist.tmp"
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}
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sanitize_config_tarball() {
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local tarfile="$1"
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local tmpdir="/tmp/sysupgrade_sanitize_config_tarball"
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rm -rf "$tmpdir"; mkdir -p "$tmpdir"
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tar -C "$tmpdir" -xzf "$tarfile"
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( cd "$tmpdir"; for F in $(find .); do
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F="${F#.}"
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[ -n "$F" ] && [ -z $(echo "$F" | grep $DVL_CONFIGFILE_WHITELIST) ] && rm -rf ".$F"
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done; find . ! -type d > /tmp/sysupgrade_include.txt; tar -czf "$tarfile" -T /tmp/sysupgrade_include.txt; )
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rm -rf "$tmpdir" /tmp/sysupgrade_include.txt
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}
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# /delos extension
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add_uci_conffiles() {
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local file="$1"
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( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
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/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
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-type f -o -type l 2>/dev/null;
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opkg list-changed-conffiles ) | sort -u > "$file"
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add_installed_packages >> "$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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if [ -d /overlay/upper ]; then
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local overlaydir="/overlay/upper"
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else
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local overlaydir="/overlay"
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fi
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find $overlaydir/etc/ -type f -o -type l | sed \
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-e 's,^/overlay/,/,' \
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-e '\,/META_[a-zA-Z0-9]*$,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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[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
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sysupgrade_init_conffiles="add_uci_conffiles" || \
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sysupgrade_init_conffiles="add_overlayfiles"
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include /lib/upgrade
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[ "$ARGC" -ge 2 ] && {
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(cat /tmp/sysinfo/model | grep "IPQ" ||
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cat /tmp/sysinfo/model | grep "ew7479cap" ||
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cat /tmp/sysinfo/model | grep "dlan2-2400-ac" ||
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cat /tmp/sysinfo/model | grep "ap-dk07.1-c1") && shift && ARGV=$1
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}
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do_save_conffiles() {
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local conf_tar="${1:-$CONF_TAR}"
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[ -z "$(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" $sysupgrade_init_conffiles
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[ -n "$CONF_BACKUP" ] && sanitize_conffile_list "$CONFFILES"
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ask_bool 0 "Edit config file list" && vi "$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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rm -f "$CONFFILES"
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rm -f /etc/sysupgrade.packages-installed.conf
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}
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if [ $CONF_BACKUP_LIST -eq 1 ]; then
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run_hooks "$CONFFILES" $sysupgrade_init_conffiles
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sanitize_conffile_list "$CONFFILES"
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cat "$CONFFILES"
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rm -f "$CONFFILES"
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rm -f /etc/sysupgrade.packages-installed.conf
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exit 0
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fi
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if [ $PACKAGE_LIST -eq 1 ]; then
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dump_installed_packages
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exit 0
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fi
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if [ -n "$CONF_BACKUP" ]; then
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do_save_conffiles "$CONF_BACKUP"
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exit $?
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fi
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if [ -n "$CONF_RESTORE" ]; then
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if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then
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echo "Backup archive '$CONF_RESTORE' not found."
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exit 1
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fi
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type platform_check_config >/dev/null 2>/dev/null && [ "$CONF_RESTORE" != "-" ] && {
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platform_check_config "$CONF_RESTORE" || exit 1
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}
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sanitize_config_tarball "$CONF_RESTORE"
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[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
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tar -C / -x${TAR_V}zf "$CONF_RESTORE"
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exit $?
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fi
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# original sysupgrade nand did not even try to save config files, even though nand.sh worked with sysupgrade.tgz
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if [ "$1" = "nand" ]; then
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if ! nand_platform_check "$@"; then
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if [ $FORCE -eq 1 ]; then
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echo 'Image check (nand) failed, but --force given - will update anyway!'
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else
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echo "Image check (nand) failed"
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exit 1
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fi
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fi
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if [ $TEST -eq 1 ]; then
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echo "Image is valid, exiting."
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exit 0
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fi
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# original sysupgrade nand did not even try to save config files, even though nand.sh worked with sysupgrade.tgz
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if ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
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if ! mount | egrep -q "/overlay.*type.*ubifs"; then
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echo "Not running on main system (upgrade or rescue), can't save configuration"
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export SAVE_CONFIG=0
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else
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do_save_conffiles
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export SAVE_CONFIG=1
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fi
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else
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export SAVE_CONFIG=0
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fi
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nand_upgrade_stage2 $@
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# should not be reached
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exit 1
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fi
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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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if [ $FORCE -eq 1 ]; then
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echo "Image check '$check' failed but --force given - will update anyway!"
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break
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else
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echo "Image check '$check' failed."
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exit 1
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fi
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}
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done
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if [ -n "$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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[ $TEST -eq 1 ] || 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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if [ $TEST -eq 1 ]; then
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exit 0
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fi
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run_hooks "" $sysupgrade_pre_upgrade
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# Some platforms/devices may want different sysupgrade process, e.g. without
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# killing processes yet or calling ubus system upgrade method.
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# This is needed e.g. on NAND devices where we just want to trigger stage1 at
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# this point.
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if [ "$SAVE_CONFIG" -eq 1 ] && type 'platform_pre_upgrade' >/dev/null 2>/dev/null; then
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platform_pre_upgrade "$ARGV"
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fi
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ubus call system upgrade
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touch /tmp/sysupgrade
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if [ ! -f /tmp/failsafe ] ; then
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kill_remaining TERM
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sleep 3
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kill_remaining KILL
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fi
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if [ -n "$(rootfs_type)" ]; then
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v "Switching to ramdisk..."
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run_ramfs '. /lib/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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