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|
#!/bin/sh
# MANUALLY move cork.rc to specified location, and create HOME directory
# Original Author: edolg.net
domain='example.com'
webdir='/var/www'
# check whether the drive that holds a given directory is marked as "nodev"
# directories marked as "nodev" cannot contain special devices (e.g. /dev/null)
is_nodev() {
dir="$1"
# fstab dir that contains (or is) $dir
mntp=$(mountp $dir)
if grep "[[:space:]]$mntp[[:space:]]" </etc/fstab | grep -E '(,|[[:space:]])nodev(,|[[:space:]])' >/dev/null
then
return 0
fi
return 1
}
# find the innermost mount point which contains the given directory from /etc/fstab entries
mountp() {
dir="$1"
mntps=$(awk '{ print $2 }' </etc/fstab)
while :
do
echo "$mntps" | grep "^$dir$" >/dev/null
test $? -eq 0 && break
test $dir = '/' && return 1 # avoid infinite loop
dir=$(dirname $dir)
done
echo $dir
}
lncp() {
last=$(eval echo $"$#")
rest=$(for arg in $(seq 1 $(($# - 1))); do eval echo $"$arg"; done)
for f in $rest
do
ln "$f" "$last" 2>/dev/null || cp "$f" "$last"
done
}
lsso() {
ldd "$@" | awk '{ print $7 }' | grep '^/.*\.so' | sort | uniq
}
preinst() {
if [ $(uname) != "OpenBSD" ]
then
echo "$0: operating system is not OpenBSD" >&2
return 1
fi
if [ $(whoami) != "root" ]
then
echo "$0: root user required" >&2
return 1
fi
# check webdir's value
echo "$webdir" | grep -E '^(/[^[:cntrl:]]+)+$' >/dev/null
if [ $? -eq 1 ]
then
echo "$0: invalid chroot directory" >&2
return 1
fi
}
httpdconf() {
# backup current httpd.conf
if [ -r /etc/httpd.conf ]
then
cp /etc/httpd.conf /etc/httpd.conf.bk
echo "$0: /etc/httpd.conf exists, backed up to /etc/httpd.conf.bk" >&2
fi
echo "$httpdconffile" >/etc/httpd.conf
}
fstabconf() {
if is_nodev $webdir
then
cp /etc/fstab /etc/fstab.bk
# remove "nodev" from $webdir in /etc/fstab to make /dev/null
# this requires a reboot to be effective
mntp=$(mountp $webdir)
oldline=$(grep "[[:space:]]$mntp[[:space:]]" /etc/fstab)
newline=$(echo "$oldline" | sed 's/nodev//;s/,,/,/')
oldfile=$(cat /etc/fstab)
echo "$oldfile" | sed "s!$oldline!$newline!" >/etc/fstab
echo "$0: /etc/fstab changed, reboot required to apply"
fi
}
# make the plan 9 environment in the new root
mk9env() {
# install plan9port in $webdir
pkg_add git || return 1
git clone https://github.com/9fans/plan9port $webdir$p9pdir || return 1
( cd $webdir$p9pdir ; ./INSTALL -r $p9pdir ) || return 1
# lncp libraries required by plan9port into the chroot environment
libs=$(lsso $(find $webdir$p9pdir -type f) 2>/dev/null)
for l in $libs
do
d=$(dirname $l)
mkdir -p $webdir/$d
lncp $l $webdir/$d
done
# all programs need to be in $webdir/bin and some are missing
rm -Rf $webdir/bin
mv $webdir$p9pdir/bin $webdir/bin
lncp /bin/{pwd,mv} $webdir/bin
# create devices
mkdir $webdir/dev
( cd $webdir/dev ; /dev/MAKEDEV std )
}
services() {
rcctl enable slowcgi httpd
}
all() {
if ! preinst
then
echo "$0: could not complete pre-installation checks" >&2
exit 1
fi
if ! httpdconf
then
echo "$0: could not configure httpd" >&2
exit 1
fi
if ! fstabconf
then
echo "$0: could not configure /etc/fstab" >&2
exit 1
fi
if ! inst
then
echo "$0: could not install cork" >&2
exit 1
fi
if ! mk9env
then
echo "$0: could not add files and directories to $webdir" >&2
exit 1
fi
if ! services
then
echo "$0: could not enable required services" >&2
exit 1
fi
echo
echo "$0: setup completed!"
echo "$0: you may need to reboot (see prior messages); otherwise, you can start httpd and slowcgi"
}
domain=${domain:-"example.com"}
webdir=${webdir:-"/var/www"}
# other useful variables
p9pdir='/plan9' # after chroot, full is $webdir$p9pdir
siteroot="$webdir/sites/$domain"
httpdconffile='server "'$domain'" {
# see httpd.conf(5) to enable ssl/tls
listen on * port 80
connection request timeout 4
location "/img/*" {
root "/sites/'$domain'"
}
location found "/*" {
root "/sites/'$domain'/home"
}
location not found "/*" {
root "/"
fastcgi {
param PATH "/bin"
param PLAN9 "/usr/local/plan9"
param SCRIPT_FILENAME "/sites/'$domain'/cork.rc"
socket "/run/slowcgi.sock"
}
}
}
types {
include "/usr/share/misc/mime.types"
}'
if [ $# -ne 0 ]
then
for f
do
$f
done
else
all
fi
|
