diff options
Diffstat (limited to 'rcynic-ng/installation-scripts/darwin/install.sh')
| -rw-r--r-- | rcynic-ng/installation-scripts/darwin/install.sh | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/rcynic-ng/installation-scripts/darwin/install.sh b/rcynic-ng/installation-scripts/darwin/install.sh new file mode 100644 index 00000000..1f0dfe7d --- /dev/null +++ b/rcynic-ng/installation-scripts/darwin/install.sh @@ -0,0 +1,193 @@ +#!/bin/sh - +# $Id$ +# +# Create a chroot jail for rcynic. +# +# This is approximately what a pkg-install script might do if this were +# a FreeBSD port. Perhaps some day it will be. + +: ${jaildir="${DESTDIR}/var/rcynic"} +: ${jailuser="rcynic"} +: ${jailgroup="rcynic"} +: ${jailname="RPKI Validation System"} +: ${setupcron="YES"} + +echo "Setting up \"${jaildir}\" as a chroot jail for rcynic." + +if /usr/bin/dscl . -read "/Groups/${jailgroup}" >/dev/null 2>&1 +then + echo "You already have a group \"${jailgroup}\", so I will use it." +elif gid="$(/usr/bin/dscl . -list /Groups PrimaryGroupID | /usr/bin/awk 'BEGIN {gid = 501} $2 >= gid {gid = 1 + $2} END {print gid}')" && + /usr/bin/dscl . -create "/Groups/${jailgroup}" && + /usr/bin/dscl . -create "/Groups/${jailgroup}" RealName "${jailname}" && + /usr/bin/dscl . -create "/Groups/${jailgroup}" PrimaryGroupID "$gid" && + /usr/bin/dscl . -create "/Groups/${jailgroup}" GeneratedUID "$(/usr/bin/uuidgen)" && + /usr/bin/dscl . -create "/Groups/${jailgroup}" Password "*" +then + echo "Added group \"${jailgroup}\"." +else + echo "Adding group \"${jailgroup}\" failed..." + echo "Please create it, then try again." + exit 1 +fi + +if /usr/bin/dscl . -read "/Users/${jailuser}" >/dev/null 2>&1 +then + echo "You already have a user \"${jailuser}\", so I will use it." +elif uid="$(/usr/bin/dscl . -list /Users UniqueID | /usr/bin/awk 'BEGIN {uid = 501} $2 >= uid {uid = 1 + $2} END {print uid}')" && + /usr/bin/dscl . -create "/Users/${jailuser}" && + /usr/bin/dscl . -create "/Users/${jailuser}" UserShell "/usr/bin/false" && + /usr/bin/dscl . -create "/Users/${jailuser}" RealName "${jailname}" && + /usr/bin/dscl . -create "/Users/${jailuser}" UniqueID "$uid" && + /usr/bin/dscl . -create "/Users/${jailuser}" PrimaryGroupID "$gid" && + /usr/bin/dscl . -create "/Users/${jailuser}" NFSHomeDirectory "/var/empty" && + /usr/bin/dscl . -create "/Users/${jailuser}" GeneratedUID "$(/usr/bin/uuidgen)" && + /usr/bin/dscl . -create "/Users/${jailuser}" Password "*" +then + echo "Added user \"${jailuser}\"." +else + echo "Adding user \"${jailuser}\" failed..." + echo "Please create it, then try again." + exit 1 +fi + +if ! /bin/test -d "${jaildir}"; then + /bin/mkdir "${jaildir}" +fi + +if /usr/bin/install -o root -g wheel -d ${DESTDIR}/Library/StartupItems/RCynic && + /usr/bin/install -o root -g wheel -m 555 RCynic/RCynic RCynic/StartupParameters.plist ${DESTDIR}/Library/StartupItems/RCynic; then + echo "Installed ${DESTDIR}/Library/StartupItems/RCynic" +else + echo "Installing ${DESTDIR}/Library/StartupItems/RCynic failed" + exit 1 +fi + +echo "Running ${DESTDIR}/Library/StartupItems/RCynic/RCynic to set up directories" + +if ! rcynic_jaildir="$jaildir" rcynic_user="$jailuser" rcynic_group="$jailgroup" /Library/StartupItems/RCynic/RCynic start; then + echo "Directory setup failed" + exit 1 +fi + +if /bin/test -r "$jaildir/etc/rcynic.conf"; then + echo "You already have config file \"${jaildir}/etc/rcynic.conf\", so I will use it." +elif /usr/bin/install -m 444 -o root -g wheel -p ../sample-rcynic.conf "${jaildir}/etc/rcynic.conf"; then + echo "Installed minimal ${jaildir}/etc/rcynic.conf, adding SAMPLE trust anchors" + for i in ../../sample-trust-anchors/*.tal; do + j="$jaildir/etc/trust-anchors/${i##*/}" + /bin/test -r "$i" || continue + /bin/test -r "$j" && continue + echo "Installing $i as $j" + /usr/bin/install -m 444 -o root -g wheel -p "$i" "$j" + done + j=1 + for i in $jaildir/etc/trust-anchors/*.tal; do + echo >>"${jaildir}/etc/rcynic.conf" "trust-anchor-locator.$j = /etc/trust-anchors/${i##*/}" + j=$((j+1)) + done +else + echo "Installing minimal ${jaildir}/etc/rcynic.conf failed" + exit 1 +fi + +echo "Installing rcynic as ${jaildir}/bin/rcynic" + +/usr/bin/install -m 555 -o root -g wheel -p ../../rcynic "${jaildir}/bin/rcynic" + +if /bin/test -x "$jaildir/bin/rsync"; then + echo "You already have an executable \"$jaildir/bin/rsync\", so I will use it" +elif /usr/bin/install -m 555 -o root -g wheel -p /usr/bin/rsync "${jaildir}/bin/rsync"; then + echo "Installed ${jaildir}/bin/rsync" +else + echo "Installing ${jaildir}/bin/rsync failed" + exit 1 +fi + +echo "Copying required shared libraries" + +shared_libraries="${jaildir}/bin/rcynic ${jaildir}/bin/rsync" +while true +do + closure="$(/usr/bin/otool -L ${shared_libraries} | /usr/bin/awk '/:$/ {next} {print $1}' | /usr/bin/sort -u)" + if test "x$shared_libraries" = "x$closure" + then + break + else + shared_libraries="$closure" + fi +done + +for shared in /usr/lib/dyld $shared_libraries +do + if /bin/test -r "${jaildir}/${shared}" + then + echo "You already have a \"${jaildir}/${shared}\", so I will use it" + elif /usr/bin/install -m 555 -o root -g wheel -p "${shared}" "${jaildir}/${shared}" + then + echo "Copied ${shared} into ${jaildir}" + else + echo "Unable to copy ${shared} into ${jaildir}" + exit 1 + fi +done + +if /usr/bin/install -m 444 -o root -g wheel -p ../../rcynic.xsl "${jaildir}/etc/rcynic.xsl"; then + echo "Installed rcynic.xsl as \"${jaildir}/etc/rcynic.xsl\"" +else + echo "Installing rcynic.xsl failed" + exit 1 +fi + +echo "Setting up root's crontab to run jailed rcynic" + +case "$setupcron" in +YES|yes) + /usr/bin/crontab -l -u root 2>/dev/null | + /usr/bin/awk -v "jailuser=$jailuser" -v "jailgroup=$jailgroup" -v "jaildir=$jaildir" ' + BEGIN { + cmd = "exec /usr/sbin/chroot -u " jailuser " -g " jailgroup " " jaildir; + cmd = cmd " /bin/rcynic -c /etc/rcynic.conf"; + } + $0 !~ cmd { + print; + } + END { + "/usr/bin/hexdump -n 2 -e \"\\\"%u\\\\\\n\\\"\" /dev/random" | getline; + printf "%u * * * *\t%s\n", $1 % 60, cmd; + }' | + /usr/bin/crontab -u root - + /bin/cat <<EOF + + crontab is set up to run rcynic hourly, at a randomly selected + minute (to spread load on the rsync servers). Please do NOT + adjust this to run on the hour. In particular please do NOT + adjust this to run at midnight UTC. +EOF + ;; + +*) + /bin/cat <<EOF + + You'll need to add a crontab entry running the following command as root: + + /usr/sbin/chroot -u $jailuser -g $jailgroup $jaildir /bin/rcynic -c /etc/rcynic.conf + + Please try to pick a random time for this, don't just run it on the hour, + or at local midnight, or, worst of all, at midnight UTC. + +EOF + ;; + +esac + +/bin/cat <<EOF + + Jail set up. You may need to customize $jaildir/etc/rcynic.conf. + If you did not install your own trust anchors, a default set + of SAMPLE trust anchors may have been installed for you, but + you, the relying party, are the only one who can decide + whether you trust those anchors. rcynic will not do anything + useful without good trust anchors. + +EOF |