From d5f1f7f8a03a75e8ff6f83a180c92685eb825ef1 Mon Sep 17 00:00:00 2001
From: Tobias Herre <tobias.herre@wikimedia.de>
Date: Fri, 27 Oct 2023 00:20:27 +0200
Subject: [PATCH] Initial commit

---
 scripts/getipv4.sh | 58 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 scripts/getipv4.sh

diff --git a/scripts/getipv4.sh b/scripts/getipv4.sh
new file mode 100644
index 0000000..204e2fb
--- /dev/null
+++ b/scripts/getipv4.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+#!/bin/sh
+
+# Define a function to get the first IPv4 address of a FreeBSD interface
+get_ipv4address_freebsd() {
+    local interface="$1"
+
+    # Use ifconfig to get IPv4 addresses of the specified interface
+    ipv4_addresses=$(ifconfig "$interface" | awk '/inet / {print $2}')
+
+    # Extract the first IPv4 address
+    first_ipv4_address=""
+    for addr in $ipv4_addresses; do
+        first_ipv4_address="$addr"
+        break  # Exit after getting the first IPv4 address
+    done
+
+    # Return the first IPv4 address
+    echo -n "$first_ipv4_address"
+}
+
+
+get_ipv4address_linux() {
+
+
+    # Set the interface name you want to query
+    local interface="$1"  # Replace with your desired interface
+
+    # Use ip command to get IPv4 addresses of the specified interface
+    ipv4_addresses=$(ip -4 addr show dev "$interface" | grep -oP 'inet \K[\d.]+')
+
+    # Extract the first IPv4 address
+    first_ipv4_address=""
+    for addr in $ipv4_addresses; do
+        first_ipv4_address="$addr"
+        break  # Exit after getting the first IPv4 address
+    done
+
+    # Check if an address was found
+    if [ -n "$first_ipv4_address" ]; then
+        echo -n "$first_ipv4_address"
+    else
+        exit 1;
+    fi
+}
+
+
+kernel_name=$(uname -s)
+   interface="$1"  # Replace with your desired interface
+
+if [ "$kernel_name" = "FreeBSD" ]; then
+     result=$(get_ipv4address_freebsd "$interface")
+else
+     result=$(get_ipv4address_linux "$interface")
+fi
+
+echo -n "$result"