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https://github.com/MiSTer-devel/Scripts_MiSTer.git
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60d68bbbbc
- factorize file name (don't repeat yourself®), - sed does not need `-e`: > If no -e, --expression, -f, or --file option is given, then the first non-option argument is taken as the sed script to interpret. All remaining arguments are names of input files; if no input files are specified, then the standard input is read. - sed does not need `g` (`^#` cannot occur multiple times on the same line), - sed expression, use a space to separate the conditional pattern `/--dport 22 /` from the rest of the expression for clarity
55 lines
1.7 KiB
Bash
55 lines
1.7 KiB
Bash
#!/bin/bash
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Copyright 2019 Alessandro "Locutus73" Miele
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# You can download the latest version of this script from:
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# https://github.com/MiSTer-devel/Scripts_MiSTer
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# Version 1.0.2 - 2019-02-03 - Remounting / as RW only when needed; downgraded version from 1.1 to 1.0.2.
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# Version 1.0.1 - 2019-02-02 - Remounting / as RW before altering /etc/init.d/ so the script actually works from OSD.
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# Version 1.0 - 2019-02-02 - First commit
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if [ "$(uname -n)" != "MiSTer" ]
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then
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echo "This script must be run"
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echo "on a MiSTer system."
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exit 1
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fi
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mount | grep "on / .*[(,]ro[,$]" -q && RO_ROOT="true"
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[ "$RO_ROOT" == "true" ] && mount / -o remount,rw
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mv /etc/init.d/_S50sshd /etc/init.d/S50sshd > /dev/null 2>&1
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sync
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[ "$RO_ROOT" == "true" ] && mount / -o remount,ro
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# start listening port 22 (SSH)
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IP_FILTERING="/media/fat/linux/iptables.up.rules"
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[[ -f "${IP_FILTERING}" ]] && sed -i '/--dport 22 / s/^#//' "${IP_FILTERING}"
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sync
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if [ -f /etc/network/if-pre-up.d/iptables ]
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then
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/etc/network/if-pre-up.d/iptables
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fi
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/etc/init.d/S50sshd start
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echo "SSH is on and"
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echo "active at startup."
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echo "Done!"
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exit 0
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