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#@include core
. /krebs/lib/core
#@include network
. /krebs/lib/network
ncdc_user=${ncdc_user:-elch}
ncdc_bin=${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
}
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