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# Maintainer: Chris Severance aur.severach aATt spamgourmet dott com
# Contributor: Matt Parnell <parwok@gmail.com>
# BUG: So far as I can tell updating multiple hosts with a single request is no longer supported by the DNS-O-Matic service.
# The code could be updated to put out a separate request for each host. This is a bit more than sed can do.
# Future BUG: When multiple hosts is implemented, don't wait for IP to change when new hosts are added.
# Until this is fixed server connections are not attempted when multiple hosts are specified.
# FIXED: The interactive stuff in the old PKGBUILD has been moved to install
# FIXED: Connections are not be attempted for default user = userid or password = password
# FIXED: Launches with cron as root or systemd timer as user nobody
# TODO: Implement IP change log
# TODO: Implement all Dynamic DNS services including DNS-O-Matic.
# TODO: Add version to config so we can discard it on same version upgrades and installs.
# TODO: Add settings promotion to new config files.
# TODO: Better variable detection in config (I suspect blank lines aren't handled well)
# If upgrading from an old version you might get a file conflict
# update-dnsomatic: /etc/update-dnsomatic/myip exists in filesystem
# To solve
# sudo mv /etc/update-dnsomatic/myip /etc/update-dnsomatic/myip.pacsave
# Starting out it's hard to tell what to put in for myhost. In your DNS-O-Matic account screen you see
# Service
# username :: myhost
# For OpenDNS myhost is just a phrase like Home, Office, or Gramma
set -u
pkgname='update-dnsomatic'
pkgver='0.2.1'
pkgrel='1'
pkgdesc='A perl utility that updates OpenDNS DNS-O-Matic, and is simpler than inyadn'
arch=('i686' 'x86_64')
#url='https://github.com/rivy/update-dnsomatic'
#url='http://prawnuk.blogspot.com/2008/11/dnsomatic-updater.html' # Seán Doher
url='https://code.google.com/archive/p/update-dnsomatic/downloads'
license=('GPL')
depends=('perl' 'perl-libwww' 'perl-crypt-ssleay' 'perl-lwp-protocol-https')
optdepends=('cron: use cron instead of systemd timers')
backup=('etc/update-dnsomatic/config')
install="${pkgname}.install"
#source=("http://update-dnsomatic.googlecode.com/files/${pkgname}-${pkgver}.tar.gz")
source=("https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/update-dnsomatic/update-dnsomatic-${pkgver}.tar.gz")
md5sums=('3710f7a927e79d0d35bc5b4fcc03b31b')
sha256sums=('e4b44ffc8caf1114464ca2ae7a925ca06b632379befa88ac39e36c09253a4715')
package() {
set -u
cd "${pkgname}-${pkgver}"
install -Dpm640 'config' -t "${pkgdir}/etc/update-dnsomatic/"
chmod 775 "${pkgdir}/etc/update-dnsomatic/"
# This lets pacman -Qo show us as the owner of this file. It also lets pacman delete this file.
install -Dm664 /dev/null "${pkgdir}/etc/update-dnsomatic/myip"
install -Dpm754 'update-dnsomatic' -t "${pkgdir}/usr/bin/"
local _codedouble='
use Getopt::Long;
my $arg_daemon=0;
if (!GetOptions (
"daemon" => \$arg_daemon
) or @ARGV > 0) {
die("$0: Invalid command line options: @ARGV\n");
}'
_codedouble="$(echo "${_codedouble}" | sed -e 's:\\:\\\\:g' | tr '\n' '\r' | sed -e 's:\r:\\n:g')" # escape \n for sed replacement
# Fix permissions
sed -i -e '# Fix permissions on new file creation for systemd to run as nobody' \
-e 's:^sub write_new_ip {$:&\n umask 0002;:g' \
-e '# Fix some horrible spacing' \
-e 's:\s\+$::g' \
-e '# Block unsupported multiple hosts rather than spam the servers' \
-e '# Prevent spamming servers with blank or default userid:password' \
-e 's:^\(\s\+\)close(CONFIG);$:&\n\1if (index($config{myhost}, ",") >= 0) {\n\1\1write_log("err", "Multiple myhost is not supported by DNS-O-Matic. Fix /etc/update-dnsomatic/config");\n\1\1exit(1);\n\1}\n\1if (!$config{user} or !$config{pass} or $config{user} eq "userid" or $config{pass} eq "password") {\n\1\1write_log("err", "User and pass must be set in /etc/update-dnsomatic/config");\n\1\1exit(1);\n\1}:g' \
-e '# getopts code for doubled log entries in systemctl status update-dnsomatic.service' \
-e 's/^use Sys::Syslog;$'"/&${_codedouble}/g" \
-e '# Stop doubled log entries' \
-e 's:^\(\s\+print "\$msg\\n"\);$:\1 if (!$arg_daemon);:g' \
"${pkgdir}/usr/bin/update-dnsomatic"
unset _codedouble
install -Dm644 <(cat << EOF
# Automatically generated by ${pkgname}-${pkgver} PKGBUILD from Arch Linux AUR
# https://aur.archlinux.org/
[Unit]
Description=OpenDNS DNS-O-Matic updater ${pkgname}
[Timer]
OnBootSec=5min
OnCalendar=*:0/10
Persistent=true
[Install]
WantedBy=multi-user.target
EOF
) "${pkgdir}/usr/lib/systemd/system/${pkgname}.timer"
install -Dm644 <(cat << EOF
# Automatically generated by ${pkgname}-${pkgver} PKGBUILD from Arch Linux AUR
# https://aur.archlinux.org/
[Unit]
Description=OpenDNS DNS-O-Matic updater ${pkgname}
[Service]
Type=oneshot
ExecStart=/usr/bin/update-dnsomatic --daemon
Nice=19
IOSchedulingClass=best-effort
IOSchedulingPriority=7
User=nobody
Group=nobody
EOF
) "${pkgdir}/usr/lib/systemd/system/${pkgname}.service"
set +u
}
set +u
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