174 lines
3.8 KiB
Bash
Executable file
174 lines
3.8 KiB
Bash
Executable file
#!/bin/sh
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# strap.sh - install and setup BlackArch Linux keyring
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# default mirror url
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MIRROR='https://www.mirrorservice.org/sites/blackarch.org/blackarch/'
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# simple error message wrapper
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err()
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{
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echo >&2 `tput bold; tput setaf 1`"[-] ERROR: ${*}"`tput sgr0`
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exit 1337
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}
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# simple warning message wrapper
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warn()
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{
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echo >&2 `tput bold; tput setaf 1`"[!] WARNING: ${*}"`tput sgr0`
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}
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# simple echo wrapper
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msg()
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{
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echo `tput bold; tput setaf 2`"[+] ${*}"`tput sgr0`
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}
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# check for root privilege
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check_priv()
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{
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if [ $EUID -ne 0 ] ; then
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err "you must be root"
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fi
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}
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# make a temporary directory and cd into
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make_tmp_dir()
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{
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tmp=`mktemp -d /tmp/blackarch_strap.XXXXXXXX`
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trap "rm -rf $tmp" EXIT
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cd "$tmp"
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}
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# retrieve the BlackArch Linux keyring
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fetch_keyring()
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{
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curl -s -O \
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'https://www.blackarch.org/keyring/blackarch-keyring.pkg.tar.xz{,.sig}'
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}
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# verify the keyring signature
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# note: this is pointless if you do not verify the key fingerprint
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verify_keyring()
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{
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gpg \
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--keyserver pgp.mit.edu \
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--recv-keys 4345771566D76038C7FEB43863EC0ADBEA87E4E3 > /dev/null 2>&1
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if ! gpg \
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--keyserver-options no-auto-key-retrieve \
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--with-fingerprint blackarch-keyring.pkg.tar.xz.sig > /dev/null 2>&1
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then
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err 'invalid keyring signature. please stop by irc.freenode.net/blackarch'
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fi
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}
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# delete the signature files
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delete_signature()
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{
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if [ -f "blackarch-keyring.pkg.tar.xz.sig" ] ; then
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rm blackarch-keyring.pkg.tar.xz.sig
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fi
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}
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# make sure /etc/pacman.d/gnupg is usable
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check_pacman_gnupg()
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{
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pacman-key --init
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}
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# install the keyring
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install_keyring()
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{
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if ! pacman --config /dev/null \
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--noconfirm -U blackarch-keyring.pkg.tar.xz
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then
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err 'keyring installation failed'
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fi
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# just in case
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pacman-key --populate
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}
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# ask user for mirror
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get_mirror()
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{
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printf " -> enter a BlackArch Linux mirror url (default: $MIRROR): "
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while read line ; do
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case "$line" in
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http://*|https://*|ftp://*)
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msg 'checking mirror...'
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if ! curl -sI "$line/blackarch/os/i686/blackarch.db" |
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head -n1 | grep -q 200
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then
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warn 'blackarch.db not found on given mirror'
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warn "using default mirror $MIRROR"
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else
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MIRROR=$line
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msg "using mirror $MIRROR"
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fi
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break
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;;
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*)
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warn 'you did not specify a correct mirror url'
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msg "using default mirror $MIRROR"
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return
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;;
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esac
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done < /dev/tty
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}
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# update pacman.conf
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update_pacman_conf()
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{
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# delete blackarch related entries if existing
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sed -i '/blackarch/{N;d}' /etc/pacman.conf
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cat >> "/etc/pacman.conf" << EOF
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[blackarch]
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Server = $MIRROR/\$repo/os/\$arch
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EOF
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}
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# synchronize and update
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pacman_update()
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{
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pacman -Syy
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}
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pacman_upgrade()
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{
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echo 'perform full system upgrade? (pacman -Su) [Yn]:'
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read conf < /dev/tty
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case "$conf" in
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''|y|Y) pacman -Su ;;
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n|N) warn 'some blackarch packages may not work without an up-to-date system.' ;;
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esac
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}
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# setup blackarch linux
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blackarch_setup()
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{
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check_priv
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msg 'installing blackarch keyring...'
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make_tmp_dir
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fetch_keyring
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verify_keyring
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delete_signature
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check_pacman_gnupg
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install_keyring
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echo
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msg 'keyring installed successfully'
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# check if pacman.conf has already a mirror
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if ! grep -q "\[blackarch\]" /etc/pacman.conf; then
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msg 'configuring pacman'
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get_mirror
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msg 'updating pacman.conf'
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update_pacman_conf
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fi
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msg 'updating package databases'
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pacman_update
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msg 'BlackArch Linux is ready!'
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}
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blackarch_setup
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