From eeea5cc2ba916dfbf439592c2e193d6e3d6ad5b3 Mon Sep 17 00:00:00 2001
From: Mitch Riedstra <mitch@riedstra.us>
Date: Sun, 7 Apr 2019 12:44:53 -0400
Subject: Add a small shell script to easily save and set wireless
 configurations on OpenBSD

---
 openbsd_net.sh | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100755 openbsd_net.sh

(limited to 'openbsd_net.sh')

diff --git a/openbsd_net.sh b/openbsd_net.sh
new file mode 100755
index 0000000..ad8993d
--- /dev/null
+++ b/openbsd_net.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+set -e
+
+# No trailing slash
+conf_dir="/etc/net"
+interface="iwn0"
+
+help(){
+cat <<EOF
+Usage: $0 [option]
+
+$0 Allows you to set, edit, or display saved interface configurations placed
+in "$conf_dir".
+
+Configurations are in the standard hostname.if(5) format.
+
+Where option is:
+	-l List all of the available network names.
+	-s "\$name" Sets the network name
+	-e "\$name" Edit the configuration file of "\$name"
+	-d "\$name" Display the configuration file of "\$name"
+	-i "\$interface" Override the interface ($interface)  set in the script.
+	-D Set the interface down and remove all IP addresses
+EOF
+if ! [ -z "$1" ] ; then
+	exit "$1"
+else
+	exit 0
+fi
+}
+
+list() {
+	find "$conf_dir" -type f | sed -e"s@$conf_dir/@@g"
+}
+
+edit_net() {
+	if [ -z "$1" ] ; then
+		echo "Please pass in a file name!"
+		exit 1
+	fi
+	_f="$1"; shift
+	"$EDITOR" "${conf_dir}/$_f"
+}
+
+display_net() {
+	if [ -z "$1" ] ; then
+		echo "Please pass in a file name!"
+		exit 1
+	fi
+	_f="$1"; shift
+	cat "${conf_dir}/$_f"
+}
+
+set_net() {
+	if [ -z "$1" ] ; then
+		echo "Please pass in a file name!"
+		exit 1
+	fi
+	_f="$1"; shift
+
+	if [ -L "/etc/hostname.${interface}" ] ; then
+		rm "/etc/hostname.${interface}"
+	fi
+	ln -s "${conf_dir}/$_f" "/etc/hostname.${interface}"
+	sh /etc/netstart
+}
+
+down_net() {
+	ifconfig "$interface" down -inet -inet6
+}
+
+if [ -z "$1" ] ; then
+	help
+fi
+while [ $# -gt 0 ] ; do case $1 in
+	-i) interface="$2"; shift; shift ;;
+	-l) shift; list ; break ;;
+	-s) shift; set_net "$@" ; break ;;
+	-d) shift; display_net "$@" ; break ;;
+	-e) shift; edit_net "$@" ; break ;;
+	-D) shift; down_net "$@" ; break ;;
+	*) help 1;;
+esac ; done
-- 
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