2023-03-27 19:23:50 +02:00
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#!/usr/bin/env bash
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set -eu
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2023-05-03 05:56:11 +02:00
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2023-05-09 01:16:49 +02:00
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TMP_FILE=$(mktemp -q /tmp/server.XXXXXX)
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2023-05-09 00:41:05 +02:00
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2023-05-08 22:17:21 +02:00
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stop() {
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trap - SIGINT EXIT
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2023-05-09 00:41:05 +02:00
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{ pkill -f socat || true; } 2>/dev/null
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[ -f "$TMP_FILE" ] && rm -f "$TMP_FILE"
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2023-05-08 22:17:21 +02:00
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}
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trap 'stop' EXIT SIGINT SIGTERM SIGHUP
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2023-03-27 19:23:50 +02:00
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2023-05-09 12:48:24 +02:00
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html()
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{
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2023-05-11 19:34:48 +02:00
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local h="<!DOCTYPE html><HTML><HEAD><TITLE>VirtualDSM</TITLE>"
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2023-05-09 17:46:36 +02:00
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h="${h} <STYLE>body { color: white; background-color: #125bdb; font-family: Verdana,"
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h="${h} Arial,sans-serif; } a, a:hover, a:active, a:visited { color: white; }</STYLE></HEAD>"
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2023-05-09 12:48:24 +02:00
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h="${h}<BODY><BR><BR><H1><CENTER>$1</CENTER></H1></BODY></HTML>"
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echo "$h"
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}
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2023-05-09 02:01:38 +02:00
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if [[ "$2" != "/"* ]]; then
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2023-05-08 21:14:02 +02:00
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2023-05-09 02:01:38 +02:00
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BODY="$2"
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if [[ "$BODY" == "install" ]]; then
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2023-05-09 17:46:36 +02:00
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BODY="Please wait while Virtual DSM is being installed..."
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BODY="$BODY<script>setTimeout(() => { document.location.reload(); }, 9999);</script>"
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2023-05-09 02:01:38 +02:00
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fi
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2023-05-09 12:48:24 +02:00
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HTML=$(html "$BODY")
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printf '%b' "HTTP/1.1 200 OK\nContent-Length: ${#HTML}\nConnection: close\n\n$HTML" > "$TMP_FILE"
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2023-05-09 02:01:38 +02:00
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2023-05-11 20:22:27 +02:00
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socat TCP4-LISTEN:80,reuseaddr,fork,crlf SYSTEM:"cat ${TMP_FILE}" 2> /dev/null &
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2023-05-09 02:01:38 +02:00
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socat TCP4-LISTEN:"${1:-5000}",reuseaddr,fork,crlf SYSTEM:"cat ${TMP_FILE}" 2> /dev/null & wait $!
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2023-05-11 20:22:27 +02:00
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exit
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fi
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2023-05-09 02:01:38 +02:00
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2023-05-11 20:22:27 +02:00
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if [[ "$2" != "/run/ip.sh" ]]; then
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2023-05-09 01:16:49 +02:00
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2023-05-11 20:22:27 +02:00
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cp "$2" "$TMP_FILE"
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2023-05-09 12:48:24 +02:00
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2023-05-11 20:22:27 +02:00
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else
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2023-05-09 12:48:24 +02:00
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2023-11-15 19:58:51 +01:00
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BODY="The location of DSM is <a href='http://\${LOCATION}'>http://\${LOCATION}</a><script>"
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BODY="${BODY}setTimeout(function(){ window.location.assign('http://\${LOCATION}'); }, 3000);</script>"
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2023-05-11 20:22:27 +02:00
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WAIT="Please wait while discovering IP...<script>setTimeout(() => { document.location.reload(); }, 4999);</script>"
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2023-05-09 01:16:49 +02:00
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2023-05-11 20:22:27 +02:00
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HTML=$(html "xxx")
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2023-05-09 01:16:49 +02:00
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2023-05-11 20:22:27 +02:00
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{ echo "#!/bin/bash"
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2023-11-15 19:58:51 +01:00
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echo "[ -f \"/run/dsm.url\" ] && LOCATION=\$(cat \"/run/dsm.url\")"
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echo "HTML=\"$HTML\"; [ -z \"\${LOCATION}\" ] && BODY=\"$WAIT\" || BODY=\"$BODY\"; HTML=\${HTML/xxx/\$BODY}"
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2023-05-11 20:22:27 +02:00
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echo "printf '%b' \"HTTP/1.1 200 OK\\nContent-Length: \${#HTML}\\nConnection: close\\n\\n\$HTML\""
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} > "$TMP_FILE"
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2023-05-08 21:14:02 +02:00
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2023-05-08 19:32:46 +02:00
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fi
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2023-05-11 20:22:27 +02:00
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chmod +x "$TMP_FILE"
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socat TCP4-LISTEN:80,reuseaddr,fork,crlf SYSTEM:"$TMP_FILE" 2> /dev/null &
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socat TCP4-LISTEN:"${1:-5000}",reuseaddr,fork,crlf SYSTEM:"$TMP_FILE" 2> /dev/null & wait $!
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