diff options
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/Makefile.am | 1 | ||||
| -rwxr-xr-x | utils/opkg-key | 74 | ||||
| -rwxr-xr-x | utils/update-alternatives | 189 |
3 files changed, 264 insertions, 0 deletions
diff --git a/utils/Makefile.am b/utils/Makefile.am new file mode 100644 index 0000000..7019e4b --- /dev/null +++ b/utils/Makefile.am @@ -0,0 +1 @@ +bin_SCRIPTS = update-alternatives opkg-key diff --git a/utils/opkg-key b/utils/opkg-key new file mode 100755 index 0000000..266bb66 --- /dev/null +++ b/utils/opkg-key @@ -0,0 +1,74 @@ +#!/bin/sh + +# Based on apt-key from apt-0.6.25 +# Licensed under GPL Version 2 + +set -e + +usage() { + echo "Usage: opkg-key [options] command [arguments]" + echo + echo "Manage opkg's list of trusted keys" + echo + echo " opkg-key add <file> - add the key contained in <file> ('-' for stdin)" + echo " opkg-key del <keyid> - remove the key <keyid>" + echo " opkg-key list - list keys" + echo + echo "Options:" + echo " -o <root> Use <root> as the offline root directory" + echo +} + +if [ "$1" = "-o" ]; then + ROOT=$2 + shift 2 + echo "Note: using \"$ROOT\" as root path" +else + ROOT="" +fi + +command="$1" +if [ -z "$command" ]; then + usage + exit 1 +fi +shift + +if [ "$command" != "help" ] && ! which gpg >/dev/null 2>&1; then + echo >&2 "Warning: gnupg does not seem to be installed." + echo >&2 "Warning: opkg-key requires gnupg for most operations." + echo >&2 +fi + +# We don't use a secret keyring, of course, but gpg panics and +# implodes if there isn't one available + +GPG="gpg --no-options --no-default-keyring --keyring $ROOT/etc/opkg/trusted.gpg --secret-keyring $ROOT/etc/opkg/secring.gpg --trustdb-name $ROOT/etc/opkg/trustdb.gpg" + +case "$command" in + add) + $GPG --quiet --batch --import "$1" + echo "OK" + ;; + del|rm|remove) + $GPG --quiet --batch --delete-key --yes "$1" + echo "OK" + ;; + list) + $GPG --batch --list-keys + ;; + finger*) + $GPG --batch --fingerprint + ;; + adv*) + echo "Executing: $GPG $*" + $GPG $* + ;; + help) + usage + ;; + *) + usage + exit 1 + ;; +esac diff --git a/utils/update-alternatives b/utils/update-alternatives new file mode 100755 index 0000000..4983e19 --- /dev/null +++ b/utils/update-alternatives @@ -0,0 +1,189 @@ +#!/bin/sh +# update-alternatives +# +# Copyright (C) 2001 Carl D. Worth +# +# This program was inspired by the Debian update-alternatives program +# which is Copyright (C) 1995 Ian Jackson. This version of +# update-alternatives is command-line compatible with Debian's for a +# subset of the options, (only --install, --remove, and --help) +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +set -e + +# admin dir +ad="$OPKG_OFFLINE_ROOT/usr/lib/opkg/alternatives" + +usage() { + echo "update-alternatives: $* + +Usage: update-alternatives --install <link> <name> <path> <priority> + update-alternatives --remove <name> <path> + update-alternatives --help +<link> is the link pointing to the provided path (ie. /usr/bin/foo). +<name> is the name in $ad/alternatives (ie. foo) +<path> is the name referred to (ie. /usr/bin/foo-extra-spiffy) +<priority> is an integer; options with higher numbers are chosen. +" >&2 + exit 2 +} + +quit() { + echo "update-alternatives: $*" >&2 + exit 2 +} + +register_alt() { + [ $# -lt 2 ] && return 1 + local name="$1" + local link="$2" + + if [ ! -d $ad ]; then + mkdir -p $ad + fi + + if [ -e "$ad/$name" ]; then + local olink=`head -n 1 $ad/$name` + if [ "$link" != "$olink" ]; then + echo "update-alternatives: Error: cannot register alternative $name to $link since it is already registered to $olink" >&2 + return 1 + fi + else + echo "$link" > "$ad/$name" + fi + + return 0 +} + +protect_slashes() { + sed -e 's/\//\\\//g' +} + +remove_alt() { + [ $# -lt 2 ] && return 1 + local name="$1" + local path="$2" + + [ ! -f $ad/$name ] && return 0 + + path=`echo $path | protect_slashes` + sed -ne "/^$path\>.*/!p" $ad/$name > $ad/$name.new + mv $ad/$name.new $ad/$name +} + +add_alt() { + [ $# -lt 3 ] && return 1 + local name="$1" + local path="$2" + local priority="$3" + remove_alt $name $path + echo "$path $priority" >> $ad/$name +} + +find_best_alt() { + [ $# -lt 1 ] && return 1 + [ ! -f $ad/$name ] && return 0 + + link=$OPKG_OFFLINE_ROOT/`head -n 1 $ad/$name` + +## path=`sed -ne "1!p" $ad/$name | sort -nr -k2 | head -1 | sed 's/ .*//'` +## busybox safe: + path=`sed -ne "1!p" $ad/$name | sed -e "s/\(.*\) \(.*\)/\2 \1/g" | sort -nr | head -n 1 | sed 's/[^ ]* //'` + if [ -z "$path" ]; then + echo "update-alternatives: removing $link as no more alternatives exist for it" + rm $ad/$name + if [ -L $link ]; then + rm $link + fi + return 0 + fi + + if [ ! -e $link -o -L $link ]; then + local link_dir=`dirname $link` + if [ ! -d $link_dir ]; then + mkdir -p $link_dir + fi + ln -sf $path $link + echo "update-alternatives: Linking $link to $path" + else + echo "update-alternatives: Error: not linking $link to $path since $link exists and is not a link" + return 1 + fi + + return 0 +} + +do_install() { + if [ $# -lt 4 ]; then + usage "--install needs <link> <name> <path> <priority>" + fi + local link="$1" + local name="$2" + local path="$3" + local priority="$4" + + path=`echo $path | sed 's|/\+|/|g'` + + # This is a bad hack, but I haven't thought of a cleaner solution yet... + [ -n "$OPKG_OFFLINE_ROOT" ] && path=`echo $path | sed "s|^$OPKG_OFFLINE_ROOT/*|/|"` + + register_alt $name $link + add_alt $name $path $priority + find_best_alt $name +} + +do_remove() { + if [ $# -lt 2 ]; then + usage "--remove needs <name> <path>" + fi + local name="$1" + local path="$2" + + path=`echo $path | sed 's|/\+|/|g'` + + # This is a bad hack, but I haven't thought of a cleaner solution yet... + [ -n "$OPKG_OFFLINE_ROOT" ] && path=`echo $path | sed "s|^$OPKG_OFFLINE_ROOT/*|/|"` + + remove_alt $name $path + find_best_alt $name +} + +### +# update-alternatives "main" +### + +while [ $# -gt 0 ]; do + arg="$1" + shift + + case $arg in + --help) + usage "help:" + exit 0 + ;; + --install) + do_install $* + exit $? + ;; + --remove) + do_remove $* + exit $? + ;; + *) + usage "unknown argument \`$arg'" + ;; + esac +done + +usage "at least one of --install or --remove must appear" + +exit 0 |