1 files changed, 69 insertions, 0 deletions
diff --git a/httpsvr b/httpsvr
new file mode 100755
index 0000000..0ea8104
--- /dev/null
+++ b/httpsvr
@@ -0,0 +1,69 @@
+#!/bin/sh
+# Stupid basic http server using OpenBSD netcat
+set -e
+
+PORT="${PORT:-8900}"
+ADDR="${ADDR:-127.0.0.1}"
+
+ncpid=
+
+send_index() {
+cat <<EOF
+HTTP/1.1 200 OK
+Server: shell
+Content-Type: text/html; charset=UTF-8
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta charset="UTF-8">
+	<title>Netcat HTTP</title>
+</head>
+<body>
+	Minimal HTTP server in posix SH and OpenBSD's netcat
+</body>
+</html>
+EOF
+}
+
+cleanup() {
+	set +e
+	kill "$ncpid" >/dev/null 2>&1
+	rm "$_f" "$_inF" >/dev/null 2>&1
+	exit 0
+}
+trap cleanup EXIT INT
+
+while true ; do
+	_f="$(mktemp)"
+	
+	_inF="$(mktemp)"
+	rm -f "$_inF"
+	mkfifo "$_inF"
+
+	#shellcheck disable=SC2002
+	cat "$_inF" | nc -l "$ADDR" "$PORT" > "$_f" & # | tee /dev/fd/2 >"$_f" &
+	ncpid=$!
+
+	counter=0
+	while [ $counter -lt 100 ] || [ -s "$_f" ] ; do
+		if grep -qi "^Accept:" "$_f" ; then
+			pth="$(sed -nre 's@^GET ([^ ][^ ]*) HTTP/1.1.*@\1@gp' < "$_f")"
+
+			echo "Request for path: $pth"
+
+			case $pth in
+				/) send_index >"$_inF" ;;
+			esac 
+
+			break
+		fi
+		sleep .01
+		sleep .1
+		[ -s "$_f" ] && counter=$((counter += 1))
+		ps $ncpid >/dev/null 2>&1 || break
+	done
+
+	kill $ncpid || echo ""
+	rm "$_f" "$_inF"
+done