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yggdrasil-go/contrib/deb/generate.sh
rany 5b326d8bb8
Update generate.sh (#736)
The AppArmor profile in contrib forbids `/usr/bin/yggdrasil` from reading the file in `/var/backups/yggdrasil.conf...`. This works around that restriction by having the shell do the reading of `/var/backups/yggdrasil.conf...` file while providing the same exact functionality without making the AppArmor profile less restrictive. 

Another change is the safe perms for the `/etc/yggdrasil.conf` (so that config will have 0640 permissions). This is important because if we kept the default of 644 then any user (privileged or unprivileged) will have the ability to read the yggdrasil private key. We use a restrictive umask of 0027 to make this possible.
2020-12-06 20:52:54 +00:00

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#!/bin/sh
# This is a lazy script to create a .deb for Debian/Ubuntu. It installs
# yggdrasil and enables it in systemd. You can give it the PKGARCH= argument
# i.e. PKGARCH=i386 sh contrib/deb/generate.sh
if [ `pwd` != `git rev-parse --show-toplevel` ]
then
echo "You should run this script from the top-level directory of the git repo"
exit 1
fi
PKGBRANCH=$(basename `git name-rev --name-only HEAD`)
PKGNAME=$(sh contrib/semver/name.sh)
PKGVERSION=$(sh contrib/semver/version.sh --bare)
PKGARCH=${PKGARCH-amd64}
PKGFILE=$PKGNAME-$PKGVERSION-$PKGARCH.deb
PKGREPLACES=yggdrasil
if [ $PKGBRANCH = "master" ]; then
PKGREPLACES=yggdrasil-develop
fi
if [ $PKGARCH = "amd64" ]; then GOARCH=amd64 GOOS=linux ./build
elif [ $PKGARCH = "i386" ]; then GOARCH=386 GOOS=linux ./build
elif [ $PKGARCH = "mipsel" ]; then GOARCH=mipsle GOOS=linux ./build
elif [ $PKGARCH = "mips" ]; then GOARCH=mips64 GOOS=linux ./build
elif [ $PKGARCH = "armhf" ]; then GOARCH=arm GOOS=linux GOARM=6 ./build
elif [ $PKGARCH = "arm64" ]; then GOARCH=arm64 GOOS=linux ./build
elif [ $PKGARCH = "armel" ]; then GOARCH=arm GOOS=linux GOARM=5 ./build
else
echo "Specify PKGARCH=amd64,i386,mips,mipsel,armhf,arm64,armel"
exit 1
fi
echo "Building $PKGFILE"
mkdir -p /tmp/$PKGNAME/
mkdir -p /tmp/$PKGNAME/debian/
mkdir -p /tmp/$PKGNAME/usr/bin/
mkdir -p /tmp/$PKGNAME/etc/systemd/system/
cat > /tmp/$PKGNAME/debian/changelog << EOF
Please see https://github.com/yggdrasil-network/yggdrasil-go/
EOF
echo 9 > /tmp/$PKGNAME/debian/compat
cat > /tmp/$PKGNAME/debian/control << EOF
Package: $PKGNAME
Version: $PKGVERSION
Section: contrib/net
Priority: extra
Architecture: $PKGARCH
Replaces: $PKGREPLACES
Conflicts: $PKGREPLACES
Maintainer: Neil Alexander <neilalexander@users.noreply.github.com>
Description: Yggdrasil Network
Yggdrasil is an early-stage implementation of a fully end-to-end encrypted IPv6
network. It is lightweight, self-arranging, supported on multiple platforms and
allows pretty much any IPv6-capable application to communicate securely with
other Yggdrasil nodes.
EOF
cat > /tmp/$PKGNAME/debian/copyright << EOF
Please see https://github.com/yggdrasil-network/yggdrasil-go/
EOF
cat > /tmp/$PKGNAME/debian/docs << EOF
Please see https://github.com/yggdrasil-network/yggdrasil-go/
EOF
cat > /tmp/$PKGNAME/debian/install << EOF
usr/bin/yggdrasil usr/bin
usr/bin/yggdrasilctl usr/bin
etc/systemd/system/*.service etc/systemd/system
EOF
cat > /tmp/$PKGNAME/debian/postinst << EOF
#!/bin/sh
if ! getent group yggdrasil 2>&1 > /dev/null; then
groupadd --system --force yggdrasil || echo "Failed to create group 'yggdrasil' - please create it manually and reinstall"
fi
if [ -f /etc/yggdrasil.conf ];
then
mkdir -p /var/backups
echo "Backing up configuration file to /var/backups/yggdrasil.conf.`date +%Y%m%d`"
cp /etc/yggdrasil.conf /var/backups/yggdrasil.conf.`date +%Y%m%d`
echo "Normalising and updating /etc/yggdrasil.conf"
/usr/bin/yggdrasil -useconf -normaliseconf < /var/backups/yggdrasil.conf.`date +%Y%m%d` > /etc/yggdrasil.conf
chgrp yggdrasil /etc/yggdrasil.conf
if command -v systemctl >/dev/null; then
systemctl daemon-reload >/dev/null || true
systemctl enable yggdrasil || true
systemctl start yggdrasil || true
fi
else
echo "Generating initial configuration file /etc/yggdrasil.conf"
echo "Please familiarise yourself with this file before starting Yggdrasil"
sh -c 'umask 0027 && /usr/bin/yggdrasil -genconf > /etc/yggdrasil.conf'
chgrp yggdrasil /etc/yggdrasil.conf
fi
EOF
cat > /tmp/$PKGNAME/debian/prerm << EOF
#!/bin/sh
if command -v systemctl >/dev/null; then
if systemctl is-active --quiet yggdrasil; then
systemctl stop yggdrasil || true
fi
systemctl disable yggdrasil || true
fi
EOF
cp yggdrasil /tmp/$PKGNAME/usr/bin/
cp yggdrasilctl /tmp/$PKGNAME/usr/bin/
cp contrib/systemd/*.service /tmp/$PKGNAME/etc/systemd/system/
tar -czvf /tmp/$PKGNAME/data.tar.gz -C /tmp/$PKGNAME/ \
usr/bin/yggdrasil usr/bin/yggdrasilctl \
etc/systemd/system/yggdrasil.service \
etc/systemd/system/yggdrasil-default-config.service
tar -czvf /tmp/$PKGNAME/control.tar.gz -C /tmp/$PKGNAME/debian .
echo 2.0 > /tmp/$PKGNAME/debian-binary
ar -r $PKGFILE \
/tmp/$PKGNAME/debian-binary \
/tmp/$PKGNAME/control.tar.gz \
/tmp/$PKGNAME/data.tar.gz
rm -rf /tmp/$PKGNAME