filehooker is now elchOS

12 files changed, 710 insertions, 0 deletions

diff --git a/elchos/root-image/krebs/lib/_punani_db b/elchos/root-image/krebs/lib/_punani_db
new file mode 100644
index 00000000..e5bf15b1
--- /dev/null
+++ b/elchos/root-image/krebs/lib/_punani_db
@@ -0,0 +1,57 @@
+_punanidb_pacman_=
+_punanidb_yum_=
+_punanidb_aptget_=
+
+_punanidb_pacman_git=git
+_punanidb_yum_git=git
+_punanidb_aptget_git=git-core
+
+_punanidb_pacman_python2=python2
+_punanidb_yum_python2=python
+_punanidb_aptget_python2=python
+
+_punanidb_pacman_python3=python
+_punanidb_aptget_python3=python3
+
+_punanidb_pacman_pip2=python2-pip
+_punanidb_aptget_pip2=python-pip
+
+_punanidb_pacman_virtualenv=python-virtualenv
+_punanidb_aptget_virtualenv=python-virtualenv
+
+_punanidb_pacman_gpp=g++
+_punanidb_aptget_gpp=gcc
+
+_punanidb_pacman_python2_dev=python2
+_punanidb_aptget_python2_dev=python-dev
+
+_punanidb_pacman_hostname=inetutils
+_punanidb_aptget_hostname=hostname
+
+_punanidb_pacman_hostname=inetutils
+_punanidb_aptget_hostname=hostname
+
+_punanidb_pacman_make=make
+_punanidb_yum_make=make
+_punanidb_aptget_make=make
+
+_punanidb_pacman_tinc=tinc
+_punanidb_yum_tinc=tinc
+_punanidb_aptget_tinc=tinc
+
+_punanidb_pacman_zsh=zsh
+_punanidb_yum_zsh=zsh
+_punanidb_aptget_zsh=zsh
+
+_punanidb_pacman_tor=tor
+_punanidb_yum_tor=tor
+_punanidb_aptget_tor=tor
+
+_punanidb_pacman_nano=nano
+_punanidb_yum_nano=nano
+_punanidb_aptget_nano=nano
+
+_punanidb_pacman_vim=vim
+_punanidb_yum_vim=vim-enhanced
+_punanidb_aptget_vim=vim
+
diff --git a/elchos/root-image/krebs/lib/color b/elchos/root-image/krebs/lib/color
new file mode 100644
index 00000000..cec2044e
--- /dev/null
+++ b/elchos/root-image/krebs/lib/color
@@ -0,0 +1,7 @@
+# superseed logging with color
+green='\e[0;32m'
+red='\e[0;31m'
+nc='\e[0m'
+msg() { printf "$*\n" >&2; }
+info()  { msg "$green$*$nc"; }
+error() { msg "$green$*$nc"; }
diff --git a/elchos/root-image/krebs/lib/core b/elchos/root-image/krebs/lib/core
new file mode 100644
index 00000000..0c321525
--- /dev/null
+++ b/elchos/root-image/krebs/lib/core
@@ -0,0 +1,80 @@
+# logging
+msg() { echo "$*" >&2; }
+info()  { msg "** $*"; }
+error() { msg "!! $*"; }
+## usage: die [REASON...]
+die() {
+  test $# -gt 0 && error "$*"
+  error 'Bailing out.'
+  exit 1
+}
+exists(){ 
+  type "$1" >/dev/null 2>/dev/null; 
+}
+
+is_root(){
+  test $(id -u) -eq 0
+}
+
+defer(){
+  #close enough
+  trapstr="$1;${trapstr:-exit}"
+  trap "$trapstr" INT TERM EXIT KILL
+}
+
+esudo(){
+  # weaksauce esudo (expect sudo)
+  if ! is_root; then
+    # for the record:
+    # exec sudo -E "$0" "$@"
+    error "You are not root enough for this script"
+    exit 23 # go to hell
+  fi
+}
+
+get_hostname(){
+  # finds the current hostname
+  #   if ENV HOSTN is set echo $HOSTN
+  #   We try the following:
+  #      $HOSTN
+  #      $HOSTNAME
+  #      hostname
+  #      uci system.hostname
+  #      /etc/hostname
+  #   if everything fails, it returns 1 and prints 'unknown'
+
+  if [ -n "${HOSTN:-}" ] ;     then printf "${HOSTN:-}" 
+  elif [ -n "${HOSTNAME:-}" ] ;then printf "$HOSTNAME"
+  elif exists hostname ;       then printf "$(hostname)"
+  elif exists uci    ;         then printf "$(uci get system.@system[0].hostname)"
+  elif [ -e /etc/hostname ]   ;then printf "$(cat /etc/hostname)"
+  else                              printf "unknown"; return 1
+  fi
+  return 0
+}
+
+line_to_dot(){ 
+  while read line; do printf .; done;
+}
+
+get_os(){
+  # TODO: find all the release files
+  #if grep -q 'Linux' /etc/*release 2>/dev/null || grep -qe 'Linux' /etc/issue 2>/dev/null; then
+  if grep -q 'Linux' /etc/lsb-release 2>/dev/null || grep -q 'Linux' /etc/issue 2>/dev/null; then
+    echo 'linux'
+  elif test -e /etc/preferred-apps/google.xml; then
+    echo 'android'
+  elif test -e /etc/openwrt_release; then
+    echo 'openwrt'
+  elif uname -s | grep -qi 'darwin'; then
+    echo 'osx'
+  else
+    warn "Cannot determine your operating system, falling back to Linux"
+    echo 'linux'
+  fi
+}
+
+# user management
+has_user(){
+    egrep "^$1:" /etc/passwd >/dev/null
+}
diff --git a/elchos/root-image/krebs/lib/filehooker b/elchos/root-image/krebs/lib/filehooker
new file mode 100644
index 00000000..b3bef435
--- /dev/null
+++ b/elchos/root-image/krebs/lib/filehooker
@@ -0,0 +1,152 @@
+#@include core
+. /krebs/lib/core
+#@include network
+. /krebs/lib/network
+ncdc_user=${ncdc_user:-hooker}
+ncdc_bin=${ncdc_bin:-/usr/bin/ncdc}
+
+
+ncdc_config(){
+    # maybe we want to use the running ncdc process and communicate via tmux send-keys ?
+    txt="$(cat)"
+#    printf "%s" "$txt"
+    ! sudo -u $ncdc_user /usr/bin/tmux has-session -t dcpp && echo "ncdc session must be running" && exit 1
+       sudo -u $ncdc_user /usr/bin/tmux send-keys -t dcpp:ncdc "$txt"  C-m
+}
+
+ncdc_configure_netshare(){
+    : "${1?provide path to share}"
+    rnd=`hexdump -n 2 -e '/2 "%u"' /dev/urandom`
+    rnd_name="${2:-share_$rnd}"
+    info "removing old share $rnd_name"
+    (echo "/unshare $rnd_name" ) | ncdc_config
+    info "adding share $rnd_name ($1)"
+    (echo "/share $rnd_name $1") | ncdc_config
+}
+
+ncdc_configure_nick(){
+    nick=${1?nick must be provided}
+    info "configuring DC Nick: $nick"
+    echo "/nick $nick" | ncdc_config
+}
+ncdc_configure_hub(){
+    rnd=`hexdump -n 2 -e '/2 "%u"' /dev/urandom`
+    hub=${1?adcs://localhost:2781}
+    hubname="${2:-hub_$rnd}"
+    info "setting active as true"
+    (echo "/set active true") | ncdc_config
+    info "configuring DC Hub: $hub, activating autconnect"
+    (echo "/open ${hubname} ${hub}" ;
+    echo "/hset autoconnect true") | ncdc_config
+}
+
+ncdc_download(){
+install_dir="$(dirname "${ncdc_bin}")"
+info "installing ncdc to $install_dir"
+curl http://dev.yorhel.nl/download/ncdc-linux-x86_64-1.19.tar.gz | tar xz -C "$install_dir"
+}
+ncdc_install(){
+useradd -m $ncdc_user ||:
+}
+
+ncdc_autostart(){
+# only systemd
+# punani install tmux
+cat > /etc/systemd/system/ncdc@.service <<EOF
+[Unit]
+Description=ncdc
+Requires=network.target local-fs.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+KillMode=none
+User=%I
+ExecStart=/usr/bin/tmux new-session -s dcpp -n ncdc -d ncdc
+ExecStop=/usr/bin/tmux send-keys -t dcpp:ncdc "/quit" C-m
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable ncdc@$ncdc_user
+}
+
+# 20gig in bytes
+min_netshare_size=${min_netshare_size:-20000000000}
+get_disksize(){
+fdisk -l ${1?provide disk} | grep '^Disk ' | cut -d\  -f 5
+}
+
+prepare_netshares(){
+    count=0
+    fdisk -l  | grep '^Disk '  | egrep '(/dev/sd|/dev/hd)' | cut -d\  -f 2 | tr -d : | while read disk;do
+        size=$(get_disksize $disk)
+        if test "$size" -gt "$min_netshare_size";
+        then
+            info "using $disk with $size bytes"
+            dd if=/dev/zero of=$disk bs=1M count=1 >/dev/null
+            sleep 1
+            (printf "o\nn\np\n\n\n\nw\n\n") |fdisk $disk >/dev/null ||:
+            #partprobe $disk
+            mkfs.btrfs -f ${disk}1 >/dev/null
+            uuid="$(blkid ${disk}1 -o value | head -n 1)"
+            mountpoint="/media/vag${count}"
+            mkdir -p "$mountpoint"
+            echo "UUID=$uuid  $mountpoint btrfs rw,relatime,space_cache 0 0" >> /etc/fstab
+            echo "$mountpoint"
+            : $((count++))
+        else
+            info "skipping $disk"
+        fi
+    done
+}
+install_tor_announce(){
+# systemd only
+info "writing tor_announce.service"
+cat > /etc/systemd/system/tor_announce.service<<EOF
+[Unit]
+Description=Announce Tor Hidden Address
+After=network.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/bin/tor_announce
+
+[Install]
+WantedBy=multi-user.target
+EOF
+info "writing tor_announce to /usr/bin/tor_announce"
+printf '#!/bin/sh\nsleep 20\n' > /usr/bin/tor_announce
+http_get conf.krebsco.de/tor_publish_ssh >> /usr/bin/tor_announce
+chmod +x /usr/bin/tor_announce
+info "enable tor_announce"
+systemctl enable tor_announce
+systemctl start tor_announce
+}
+is_mounted(){
+    cat /etc/mtab| cut -d\  -f 1 | grep -q "^$1$" && info "$1 is already mounted"
+}
+share_all_partitions(){
+    count=0
+    # all /dev/sdX and all mapped devices
+    (find /dev -name '[shv]d[a-z][0-9]';find /dev/mapper ! -type d ;find /dev -name 'md[0-9][0-9]*')| while read disk;do
+        size=$(get_disksize $disk 2>/dev/null)
+
+        if test "$size" -gt "$min_netshare_size" 2>/dev/null ; #&& ! is_mounted "$disk";
+        then
+          info "trying disk $disk"
+          mountpoint=/media/vag$count
+          mkdir -p $mountpoint
+          umount $disk >/dev/null 2>&1  && info "remounting $disk" || :
+          umount $mountpoint  >/dev/null 2>&1 && info "unmounting old mountpoint $mountpoint" || :
+          ! mount $disk $mountpoint   >/dev/null 2>&1 && error "cannot mount $disk"  && continue
+          chown "$ncdc_user" "$mountpoint"
+          : $((count++))
+          ncdc_configure_netshare "$mountpoint" "$(basename $mountpoint)" 2>/dev/null
+          info "$mountpoint is mounted and shared"
+        else
+          info "skipping $disk"
+        fi
+    done
+}
diff --git a/elchos/root-image/krebs/lib/iso b/elchos/root-image/krebs/lib/iso
new file mode 100644
index 00000000..0776d796
--- /dev/null
+++ b/elchos/root-image/krebs/lib/iso
@@ -0,0 +1,7 @@
+get_volid(){
+  #returns the volume id of the iso given
+  # is needed for remastering the archlinux iso
+  
+  #punani install genisoimage
+  isoinfo -d -i "${1?path to iso must be given}" | grep "^Volume id:" | cut -d: -f 2 |xargs
+}
diff --git a/elchos/root-image/krebs/lib/krebs b/elchos/root-image/krebs/lib/krebs
new file mode 100644
index 00000000..e47031d6
--- /dev/null
+++ b/elchos/root-image/krebs/lib/krebs
@@ -0,0 +1,16 @@
+#@include core
+krebs_pubkeys="ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC7YrLdnXDRU2XEdZDu1BmgiT0Vaxplf3bfvSm+5o3g4AcR2yCv7h2D633c9uA0gq52EJ3V5m8B1ZcxqA0zqDptKwx+ZTMUGDls7StH5xpJyk9j5gf8DzyDLQPQG2IYszCH+8esKjo3BOFxfey8NaX+k6gvQsG3lyV0PjLvvIy4gDuMn6dPZfVAlwNYFOUNgwpku3W3A0d+UFyVjt3/sgZxM+8C3y6QE1gwT5/NfBbHM5vaEqjHcVq1ui+7a4iOXFGKkZDcd7EX6cQZSbCzZL7sZ0OmB1WpAsDCvIXfzX1YfNA0sso7ldSF6ZUGNgwEk1LootnQlCK/dfbM+i62SZ+1 tv@iiso
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCv9TTt4FkzT3jlQ0VS2tX/GpQO9Ef0wIQ+g96foe4qSniBwR667T1gIhURrod/p7N9oQcWRrNohjgmSBZRYA0kW6ZyqYJkLvRv54nXv6j/8Xq2nG/KVfDqL0kp8if+JGeFlQElpWJiAbGifYkopFy69QiLYU2ndR7aPbx+5qm/dcwPJ7K+n6dyePynCZadtcabm3PuBFUxGLdT9ImDXMOPfXxPMlN/3eb78byuEuHnhCIvIGLMBGx+8QTXvu7kHpZObvkbsF1xjVs9fDpwVLjh7GWdwf3BZ/agFlI24ffyqCPFnuaxUVyfUZeqf4twRsIZkTTB47lHDhYiVkyGe8gd root@pigstarter.de
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCl3RTOHd5DLiVeUbUr/GSiKoRWknXQnbkIf+uNiFO+XxiqZVojPlumQUVhasY8UzDzj9tSDruUKXpjut50FhIO5UFAgsBeMJyoZbgY/+R+QKU00Q19+IiUtxeFol/9dCO+F4o937MC0OpAC10LbOXN/9SYIXueYk3pJxIycXwUqhYmyEqtDdVh9Rx32LBVqlBoXRHpNGPLiswV2qNe0b5p919IGcslzf1XoUzfE3a3yjk/XbWh/59xnl4V7Oe7+iQheFxOT6rFA30WYwEygs5As//ZYtxvnn0gA02gOnXJsNjOW9irlxOUeP7IOU6Ye3WRKFRR0+7PS+w8IJLag2xb makefu@pornocauster
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC7df1RfMGNHPJe0iF6rD9DBs/4VujN6nNr7RbRCFk7HF/JzLXSn9Vcwk+3JefP4/d/bUo0h03rhQaRohDhBScrJidj2YacF6gmZOuTf3AMWprdz9D/1dDkN/ytwzGhADhqbHEWeomIllsa8Up4PvEeDcIHJGzYvuc0BbGqRk0XgxwqIrLAhdpTfEKaTbt7IzmUqEofxThTZ/4k020PKn2WDBWKQYGZJ9Ba2WzlKUXWx842ncW29oxC2faRz4M3eMPy0JMpBLkK9U3dccE75dgT/89/4ofVjM7+J3FOP3dgXzrtk+A5aN5a/veJUViQ9xdGxXvoa++iCr5q/BVRv0Bb sammy@muhbaasu.de
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDOIRWLC4ESCDxjyoJUqaUNC8ZDiE4UICZk3cbDptdtendTQvjSXz0RW6MWhJ+F6wWZntL1EibKn8djax1tzgcvNASCUEtGey/850IzBIrETs+WQDRjV2QqBKWxVaQPIFjw2V3vFSKKNxq01qznVBY510DIf4+0WR8b1ZPD/XbuyQLGYM3N7dP4JQSnnNAgtyutBKdomWfT18hW1lLjkP8h1IOiC03HxXTYX+nMUiLDff3D5GT5u3Ke2+VigXjz4Ue8rVsOg/zgqrwEAfx8o1q83uSB23oqUqWkqlxOC/4QY5kpdNqW/Iz89zHibp5ZceHd2ZSoGefv7UZM0lRIDHjJ retiolum@ire
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC3+2vSwiJoIpHpnkw4SslPrlR6/z43nZ7s1tGXkkNnVDB2uzxMaISNRjSk0GgXpDx4hLEi6074hSvv5JWbUuMyKr9n6GVVeYNCjsiPcRkL3d7zDwFwqyndhVeWgmpuylYx4XKIbTvpBVyG3CRT1+D4apVUgiDa9lVfjBk7/ESxBzt0dXtlJEzQBBoCo0C8jeeIpvZKbq1zeM9wvLsgFaT7fsSxrg5BEb/tQl6pbkykWFXbzzd91liEQaSqai7Ux2355ZXGANQBCTglKhdTcir0RuHNtQGrZHBxL9qVfJjJJNZg1b6UAhDanqE/HyOI3sp6LGBvpW5afLKOdj9ppQQN retiolum@nomic
+ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAp83zynhIueJJsWlSEykVSBrrgBFKq38+vT8bRfa+csqyjZBl2SQFuCPo+Qbh49mwchpZRshBa9jQEIGqmXxv/PYdfBFQuOFgyUq9ZcTZUXqeynicg/SyOYFW86iiqYralIAkuGPfQ4howLPVyjTZtWeEeeEttom6p6LMY5Aumjz2em0FG0n9rRFY2fBzrdYAgk9C0N6ojCs/Gzknk9SGntA96MDqHJ1HXWFMfmwOLCnxtE5TY30MqSmkrJb7Fsejwjoqoe9Y/mCaR0LpG2cStC1+37GbHJNH0caCMaQCX8qdfgMVbWTVeFWtV6aWOaRgwLrPDYn4cHWQJqTfhtPrNQ== death@uriel"
+
+authorized_keys_file="${authorized_keys:-$HOME/.ssh/authorized_keys}"
+deploy_krebs_pubkeys(){
+info "deploying pubkeys in $authorized_keys_file"
+mkdir -p "$(dirname "$authorized_keys_file")"
+printf "$krebs_pubkeys\n" >> "$authorized_keys_file"
+
+}
diff --git a/elchos/root-image/krebs/lib/network b/elchos/root-image/krebs/lib/network
new file mode 100644
index 00000000..9863a803
--- /dev/null
+++ b/elchos/root-image/krebs/lib/network
@@ -0,0 +1,100 @@
+#@include core
+. /krebs/lib/core
+
+# TODO refactor this
+which_get_loader(){
+  if ! exists curl ; then
+    if ! exists wget ; then
+      warn "Please install curl or wget"
+      return 1
+    else
+      echo "wget -q -O-"
+    fi
+  else
+    echo "curl -L -s"
+  fi
+  return 0
+}
+
+which_head_loader(){
+  if ! exists curl ; then
+    if ! exists wget ; then
+      warn "Please install curl or wget"
+      return 1
+    else
+      echo "wget -O- --spider -S -q"
+    fi
+  else
+    echo "curl -L -I -s"
+  fi
+  return 0
+}
+
+http_get(){
+    eval "$(which_get_loader)" "${1?please provide url}"
+}
+http_head(){
+    eval "$(which_head_loader)" "${1?please provide url}" 2>&1
+}
+
+internet(){
+    secret=$(http_get http://krebsco.de/secret 2>/dev/null)
+    if [ "$secret" = "1337" ]; then
+        return 0
+    else
+        echo "cannot load secret or secret incorrect" >&2
+        return 1
+    fi
+}
+
+which_telnet(){
+  # find Telnet or similar and executes it at the end
+  # requires exist
+  # if env TELNET is set, will be trying to run this 
+  # Tries the following things:
+  #     telnet
+  #     nc
+  #     netcat
+  #     busybox telnet
+  if [ -e "${TELNET:-does_not_exist}" ]; then
+    info "Will be using $TELNET as Telnet Client"
+    echo $TELNET
+  elif exists telnet ;then
+    command -v telnet
+  elif exists nc ;then
+    command -v nc
+  elif exists netcat;then
+    command -v netcat
+  elif exists busybox;then
+    echo  `command -v busybox` telnet
+  else
+    die 'Cannot find telnet binary, please install either telnet-client or busybox or netcat or provided TELNET environment.'
+  fi
+}
+
+run_telnet(){
+  host="$1"
+  port="$2"
+  $(which_telnet) "$host" "$port"
+}
+
+send_irc(){
+  ## reads from stdin, writes to IRC
+  ##
+  ## requires func: exists() anytelnet()
+  if [ -z "${HOSTN:-}" ]; then
+    HOSTN="$(get_hostname)"
+    info "no HOSTN given, using $HOSTN instead"
+  fi
+  IRCCHANNEL=${IRCCHANNEL:-"#krebs_incoming"}
+  IRCSERVER=${IRCSERVER:-"irc.freenode.net"}
+  IRCPORT=${IRCPORT:-6667}
+  NICK="${NICK:-${HOSTN}_$(head /dev/urandom | tr -dc "0123456789" | head -c3)}"
+  info "starting irc connect as $NICK"
+  (   echo "NICK $NICK";
+      echo "USER $NICK $IRCSERVER bla : $NICK";
+      echo "JOIN $IRCCHANNEL";
+      sleep 23;
+      while read line; do echo "PRIVMSG $IRCCHANNEL :$line";sleep 1;done
+      sleep 5; ) | run_telnet $IRCSERVER $IRCPORT 2>/dev/null
+}
diff --git a/elchos/root-image/krebs/lib/punani b/elchos/root-image/krebs/lib/punani
new file mode 100644
index 00000000..4338d19d
--- /dev/null
+++ b/elchos/root-image/krebs/lib/punani
@@ -0,0 +1,99 @@
+#@include core
+#@include _punani_db
+
+## usage: punani_has PACKAGE
+punani_has() {
+  eval "_punani_${PACKER}_has \"\$1\""
+}
+
+## usage: punani_owner PACKAGE
+punani_owner() {
+  eval "_punani_${PACKER}_owner \"\$1\""
+}
+
+## usage: punani_install PACKAGE
+punani_install() {
+  eval "_punani_${PACKER}_install \"\$1\""
+}
+
+## usage: punani_remove PACKAGE
+punani_remove() {
+  eval "_punani_${PACKER}_remove \"\$1\""
+}
+
+## usage: _punani_resolve_package PKGNAME
+_punani_resolve_package(){
+  eval "set -u; echo \"\${_punanidb_${PACKER}_$1}\"" 2>/dev/null
+}
+
+## usage: _punani_select_packer
+_punani_select_packer() {
+  for p in ${_punani_known_packers:-null}; do
+    exists $p && info "using $p" && PACKER=`echo $p | tr -d -` && break
+  done
+}
+_punani_known_packers='pacman apt-get yum brew'
+_punani_pacman_install(){ pacman --noconfirm -S --needed "$@" ;}
+_punani_pacman_remove(){ pacman --noconfirm -Rcs "$@" ;}
+_punani_pacman_has(){ pacman -Q "$1" >/dev/null;}
+_punani_pacman_owner() { pacman -Qo "$1"; }
+_punani_aptget_install(){ apt-get -y install "$@" ;}
+_punani_aptget_remove(){ apt-get -y remove "$@" ;}
+_punani_aptget_has() { dpkg -s "$1" | grep -q "Status: install";}
+_punani_aptget_owner() { dpkg-query -S "$1" | cut -d: -f1;}
+_punani_yum_install(){ yum -y install "$@" ;}
+_punani_yum_remove(){ yum -y remove "$@" ;}
+_punani_yum_has() { rpm -qa --qf "%{NAME}\n"| egrep  "^${1}\$" >/dev/null ;}
+_punani_yum_owner(){ rpm -qf "$1" ;}
+_punani_brew_install(){ brew install "$@"; }
+_punani_brew_remove(){ brew remove "$@";}
+# TODO _punani_brew_has
+
+punani(){
+  # punani UI
+  _punani_usage='punani {install,remove,has,owner} PACKAGE...'
+  _punani_select_packer || die 'no package manager found; no punani for you!'
+
+  ACTION="$1"; shift
+
+  if test $# = 0; then
+    error 'no PACKAGE specified.'
+    die "usage: $_punani_usage"
+  fi
+
+  for PKG; do
+    RES="`_punani_resolve_package $PKG`" ||
+      die "could not resolve '$PKG'; no punani for you!"
+
+    case "$ACTION" in
+      install)
+        if punani_has $RES; then
+          info "$RES already installed, skipping"
+        else
+          punani_install $RES || die "cannot install $RES with $PACKER"
+        fi
+        ;;
+      remove)
+        if ! punani_has $RES; then
+          info "$RES not installed, skipping"
+        else
+          punani_remove $RES || die "cannot install $RES with $PACKER"
+        fi
+        ;;
+      has)
+        if punani_has $RES; then
+          info "$RES is installed"
+        else
+          info "$RES is not installed"
+          exit 1
+        fi
+        ;;
+      owner)
+        punani_owner $RES
+        ;;
+      *)
+        error "bad action: $ACTION"
+        die "usage: $_punani_usage"
+    esac
+  done
+}
diff --git a/elchos/root-image/krebs/lib/retiolum b/elchos/root-image/krebs/lib/retiolum
new file mode 100644
index 00000000..1e55041c
--- /dev/null
+++ b/elchos/root-image/krebs/lib/retiolum
@@ -0,0 +1,99 @@
+#!/bin/sh
+# retiolum host functions
+#@include core
+#@include network
+tinc_path=${tinc_path:-/etc/tinc}
+netname=${netname:-retiolum}
+hosts_dir=${hosts_dir:-$tinc_path/$netname/hosts}
+supernode_urls="http://euer.krebsco.de/retiolum/supernodes.tar.gz"
+reload_tinc(){
+  info "reloading tinc configuration"
+  pkill -HUP tincd || tinc -n $netname reload;
+}
+
+refresh_supernode_keys(){
+  for url in $supernode_urls;do
+    info "Trying $url to retrieve supernodes"
+    if http_get "$url" \
+       | tar xvz -C $hosts_dir | xargs -n1 echo "refreshed:" ;then
+      info "refreshed supernode keys"
+      return 0
+    else
+      error "$url unusable for retrieving supernode host files"
+    fi
+  done && return 1
+}
+
+find_supernodes(){
+  cd $hosts_dir
+  set +f
+  for name in `
+    grep '^[  ]*Address[  ]*=' * |
+      cut -d: -f1 | sort | uniq
+  `; do
+    if eval "`sed -n '
+        s/[   ]\+//g
+        s/^\(Address\|Port\)=\(.*\)/\1="\${\1+\$\1\n}\2"/p
+      ' $name`"; then
+      port=${Port-655}
+      for host in $Address; do
+        if nc -zw 2 $host $port 2>/dev/null; then
+          echo "$name [('$host', $port)]"
+        fi &
+      done
+      wait
+    fi &
+  done
+  wait
+  cd - >/dev/null
+}
+
+find_active_nodes(){
+  # TODO this function currently only supports a single address for a host
+  cd $hosts_dir
+  # posix grep does not support [[:space:]]
+  set +f
+  for name in `
+    grep '^[  ]*Address[  ]*=' * |
+      cut -d: -f1 | sort | uniq
+  `; do
+    if eval "`sed -n '
+        s/[   ]\+//g
+        s/^\(Address\|Port\)=\(.*\)/\1="\${\1+\$\1\n}\2"/p
+      ' $name`"; then
+      port=${Port-655}
+      for host in $Address; do
+        if nc -zw 2 $host $port 2>/dev/null; then
+          echo "$name [('$host', $port)]"
+        fi &
+      done
+      wait
+    fi &
+  done
+  wait
+  cd - >/dev/null
+}
+
+check_free_v4(){
+  myipv4=${1-10.243.0.-1}
+  v4num=${myipv4##*.}
+  printf "Retard check: "
+  if [ "$v4num" -gt 0 -a "$v4num" -lt "256" ];
+  then 
+    info "No retard detected\n"
+    cd $hosts_dir
+    info "Check if ip is still free: "
+    for i in `ls -1`; do
+      if grep -q -e $myipv4\$ $i ;then
+        error "Host IP already taken by $i! "
+        return 1
+      fi
+    done
+    info "Passed\n"
+    return 0
+  else
+    error "you are made of stupid. bailing out\n" 
+    return 1
+  fi
+  cd - >/dev/null
+}
diff --git a/elchos/root-image/krebs/lib/tahoe b/elchos/root-image/krebs/lib/tahoe
new file mode 100644
index 00000000..6960b3e7
--- /dev/null
+++ b/elchos/root-image/krebs/lib/tahoe
@@ -0,0 +1,34 @@
+#@include core
+#@include network
+#@include punani
+
+tahoe_home=/home/tahoe
+tahoe_dir=$tahoe_home/.tahoe
+tahoe_init(){
+    # installs dependencies, user and a virtual environment for the tahoe user
+    punani install gpp pip2 python2_dev python2  virtualenv
+    has_user tahoe || useradd -r -m -b $tahoe_home -s /bin/false
+    cd $tahoe_home
+    virtualenv --no-site-packages -p "`type -p python2.7`"
+    . bin/activate
+    pip install  twisted pyasn1
+    pip install allmydata-tahoe
+    chown tahoe -R $tahoe_home
+}
+tahoe_create_node(){
+    # requires tahoe_init
+    sudo -u tahoe create-node  $tahoe_dir
+    sudo -u tahoe cat  > $tahoe_dir/tahoe.cfg <<EOF
+[node]
+nickname = $(get_hostname)
+web.port = 
+web.static = public_html
+
+[client]
+introducer.furl = $(http_get http://pigstarter/tahoe/introducer.furl)
+helper.furl = $(http_get http://pigstarter/tahoe/helper.furl)
+[storage]
+enabled = true
+reserved_space = 1G
+EOF
+}
diff --git a/elchos/root-image/krebs/lib/tor b/elchos/root-image/krebs/lib/tor
new file mode 100644
index 00000000..8d9e33f1
--- /dev/null
+++ b/elchos/root-image/krebs/lib/tor
@@ -0,0 +1,19 @@
+# can be set via env:
+# torrc              - path to torrc (default: /etc/tor/torrc )
+# hidden_service_dir - path to hidden service (default: /var/lib/tor/hidden_service/ )
+
+
+torrc=${torrc:-/etc/tor/torrc}
+hidden_service_dir=${hidden_service_dir:-/var/lib/tor/hidden_service/}
+
+configure_hidden_service(){
+    if ! grep -q '^HiddenService' "$torrc"  ;then
+        info "adding hidden service to $torrc"
+        cat >> "$torrc" << EOF
+HiddenServiceDir ${hidden_service_dir}
+HiddenServicePort 22 127.0.0.1:22
+EOF
+    else
+        info "HiddenServiceDir or Port already in $torrc, skipping!"
+    fi
+}
diff --git a/elchos/root-image/krebs/lib/vim b/elchos/root-image/krebs/lib/vim
new file mode 100644
index 00000000..b037a778
--- /dev/null
+++ b/elchos/root-image/krebs/lib/vim
@@ -0,0 +1,40 @@
+# configure vim
+
+vimrc=${vimrc:-$HOME/.vimrc}
+
+vim_conf_sane_defaults(){
+    # TODO - make stuff more modular?
+    cat >>$vimrc<<EOF
+set nocompatible
+filetype plugin indent on
+syntax on
+set vb
+set foldenable
+set foldmethod=syntax
+set ignorecase
+set incsearch
+set showmatch
+set matchtime=3
+set hlsearch
+set backupdir=~/.vim/backup
+set directory=~/.vim/backup
+inoremap <F1> <ESC>
+nnoremap <F1> <ESC>
+vnoremap <F1> <ESC>
+set wildignore=*.o,*.obj,*.bak,*.exe,*.os
+cmap w!! w !sudo tee > /dev/null %
+colorscheme darkblue
+set background=dark
+set number
+set mouse=
+set shiftwidth=2
+set tabstop=2
+set et
+set sw=2
+set smarttab
+set autoindent
+set backspace=indent,eol,start
+set nocp
+EOF
+    mkdir -p $HOME/.vim/backup
+}