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authorDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-11-05 15:56:27 +0100
committerDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-11-05 16:01:57 +0100
commita8f3360e938b3cfc8b785222be522cdbf83e5692 (patch)
treec791cadc7fc6bb062173e40218ec9fd2749fe3f8 /scripts/setntpdate.sh
parent5923ad488a1eb3c41e07cf598c1251ce07ea6c04 (diff)
Split default init scripts into seperate package
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
Diffstat (limited to 'scripts/setntpdate.sh')
-rwxr-xr-xscripts/setntpdate.sh67
1 files changed, 0 insertions, 67 deletions
diff --git a/scripts/setntpdate.sh b/scripts/setntpdate.sh
deleted file mode 100755
index c0ed1b4..0000000
--- a/scripts/setntpdate.sh
+++ /dev/null
@@ -1,67 +0,0 @@
-#!/bin/sh
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# Copyright (C) 2018 - David Oberhollenzer
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <https://www.gnu.org/licenses/>.
-#
-
-resolve() {
- local domain="$1"
- local server="$2"
-
- if [ -x "$(command -v dig)" ]; then
- if [ -z "$server" ]; then
- dig +short "$domain"
- else
- dig +short "@$server" "$domain"
- fi
- return $?
- fi
-
- if [ -x "$(command -v drill)" ]; then
- if [ -z "$server" ]; then
- drill "$domain" | grep "^${domain}." | cut -d$'\t' -f5
- else
- drill "@$server" "$domain" | grep "^${domain}." |\
- cut -d$'\t' -f5
- fi
- return $?
- fi
- exit 1
-}
-
-try_update() {
- while read ip; do
- if ntpdate -bu "$ip"; then
- return 0
- fi
- done
-
- return 1
-}
-
-pool="pool.ntp.org"
-dns="1.1.1.1"
-
-# try default DNS server first
-resolve "$pool" "" | try_update
-[ $? -eq 0 ] && exit 0
-
-# try fallback public dns server
-ping -q -c 1 "$dns" || exit 1
-
-resolve "$pool" "$dns" | try_update
-exit $?