SliTaz Packages

Receipt for package "dropbear"

# SliTaz package receipt.

PACKAGE="dropbear"
VERSION="2022.83"
CATEGORY="security"
SHORT_DESC="Lightweight SSH2 server and client"
MAINTAINER="pascal.bellard@slitaz.org"
LICENSE="MIT"
TARBALL="$PACKAGE-$VERSION.tar.bz2"
WEB_SITE="https://github.com/mkj/dropbear"
WGET_URL="https://matt.ucc.asn.au/dropbear/releases/$TARBALL"
CONFIG_FILES="/etc/dropbear/banner"
SECRET_FILES="/etc/dropbear/*key"
SUGGESTED="sftp-server"
PROVIDE="ssh"
TAGS="ssh"
HOST_ARCH="i486 arm"

DEPENDS="zlib"
BUILD_DEPENDS="zlib-dev pam pam-dev"

# Handle multiarch compilation.
case "$ARCH" in
    arm)
        BUILD_DEPENDS=""
        CROSS_ARGS="--disable-zlib"
        CROSS_BUGS="Fails to find zlib: -lz... no" ;;
esac

# What is the latest version available today?
current_version()
{
    wget -O - $WEB_SITE 2>/dev/null | \
    sed "/tar/!d;s|.*$PACKAGE-\\(.*\\).tar.*\".*|\\1|;q"
}

# Rules to configure and make the package.
compile_rules()
{
    # CVE-2023-48795
    patch -p1 < $stuff/CVE-2023-48795.patch

    local i
    local DROPBEARS
    DROPBEARS="dropbearkey dropbearconvert dbclient scp"
    cat > localoptions.h <<EOT
#define SFTPSERVER_PATH "/usr/sbin/sftp-server"
#define DROPBEAR_X11FWD 1
EOT
    sed -i 's|"SSH-2.0-dropbear_" DROPBEAR_VERSION|"SSH-2.0-dropbear"|' sysoptions.h
    sed -i 's|DROPBEAR_CHANNEL_PRIO_INTERACTIVE|DROPBEAR_PRIO_LOWDELAY|' svr-x11fwd.c
    sed -i 's|shell arch|shell uname -m|' libtommath/makefile_include.mk
    ./configure --prefix=/usr --without-pam $CONFIGURE_ARGS $CROSS_ARGS &&
    make PROGRAMS="dropbear $DROPBEARS" MULTI=1 SCPPROGRESS=1 &&
    install -d -m 755 $DESTDIR/usr/sbin &&
    install -m 755 dropbearmulti $DESTDIR/usr/sbin/dropbear &&
    chown 0.0 $DESTDIR/usr/sbin/dropbear || exit 1

    # No pam support in ARM
    case "$ARCH" in
        arm) echo "Skipping Dropbear PAM..." ;;
        i?86)
            cat >> localoptions.h <<EOT
#define DROPBEAR_SVR_PASSWORD_AUTH 0
#define DROPBEAR_SVR_PAM_AUTH 1
EOT
            ./configure --prefix=/usr --enable-pam $CONFIGURE_ARGS &&
            make PROGRAMS="dropbear $DROPBEARS" MULTI=1 SCPPROGRESS=1 &&
            install -m 755 dropbearmulti $DESTDIR/usr/sbin/dropbear-pam &&
            chown 0.0 $DESTDIR/usr/sbin/dropbear-pam || exit 1 ;;
    esac

    install -d -m 755 $DESTDIR/usr/bin &&
    for i in $DROPBEARS ssh; do
        ln -s ../sbin/dropbear $DESTDIR/usr/bin/$i || exit 1
    done
    install -d -m 755 $DESTDIR/usr/share/man/man1 &&
    install -m 644 $src/*.1 $DESTDIR/usr/share/man/man1 && 
    install -d -m 755 $DESTDIR/usr/share/man/man8 &&
    install -m 644 $src/*.8 $DESTDIR/usr/share/man/man8 &&
    install -d -m 755 $DESTDIR/usr/share/doc &&
    install -m 644 $src/[A-Z][A-Z]* $DESTDIR/usr/share/doc
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
    mkdir -p $fs/usr
    cp -a $install/usr/bin $fs/usr
    cp -a $install/usr/sbin $fs/usr
    rm -f $fs/usr/sbin/dropbear-pam
    # Config file and init script.
    mkdir -p $fs/etc
    cp -a $stuff/dropbear $fs/etc
    cp -a $stuff/init.d $fs/etc
    ln -s daemon $fs/etc/init.d/sshd
    cp -a $stuff/sshx $fs/usr/bin
    ln -s sshx $fs/usr/bin/pppssh
    ln -s sshx $fs/usr/bin/sshfbvnc
    touch    $fs/etc/dropbear/dropbear_rsa_host_key \
        $fs/etc/dropbear/dropbear_ecdsa_host_key \
        $fs/etc/dropbear/dropbear_ed25519_host_key

    # Fix dropbear initscript perms
    chown -R root.root $fs
}

# Post message when installing.
post_install()
{
    while read dropbear openssh ; do
        [ -s "$1/$openssh" ] || continue
        [ -s "$1/$dropbear" ] && continue
        chroot "$1/" dropbearconvert openssh dropbear $openssh $dropbear
        chroot "$1/" dropbearkey -y -f $dropbear | grep Fingerprint
    done <<EOT
/etc/dropbear/dropbear_rsa_host_key    /etc/ssh/ssh_host_rsa_key
/etc/dropbear/dropbear_ecdsa_host_key    /etc/ssh/ssh_host_ecdsa_key
/etc/dropbear/dropbear_ed25519_host_key    /etc/ssh/ssh_host_ed25519_key
EOT
    grep -q ssh "$1/etc/inetd.conf" || cat >> "$1/etc/inetd.conf" <<EOT
#ssh    stream    tcp    nowait    root    dropbear    dropbear    -i -b /etc/dropbear/banner
EOT
    [ -n "$quiet" ] && return
    echo -e "\nTo starts $PACKAGE server you can run :\n"
    echo "/etc/init.d/$PACKAGE start"
    echo -e "Or add $PACKAGE to RUN_DAEMONS in /etc/rcS.conf\n"
}

post_remove()
{
    grep -q dropbear "$1/etc/inetd.conf" && sed -i '/dropbear/d' "$1/etc/inetd.conf"
}