Initial commit

services.old/hirnfick/src/hirnfick.c

@@ -0,0 +1,74 @@
+#include <stdio.h>
+// gcc hirnfick.c -o hirnfick -Wl,-z,norelro -no-pie
+#define match(from, to, ptr, dir, level)                                       \
+  while (*(dir ptr)) {                                                         \
+    if (*ptr == to && level == 0)                                              \
+      break;                                                                   \
+    if (*ptr == from)                                                          \
+      ++level;                                                                 \
+    if (*ptr == to)                                                            \
+      --level;                                                                 \
+  }
+
+int debug = 0;
+char data[1024] = {0};
+char code[1024] = {0};
+
+void exec() {
+  char *pc = code;
+  char *p = data;
+  ;
+  int level = 0;
+  int ch;
+  while (*pc) {
+    switch (*pc) {
+    case '>':
+      ++p;
+      break;
+    case '<':
+      --p;
+      break;
+    case '+':
+      ++*p;
+      break;
+    case '-':
+      --*p;
+      break;
+    case '.':
+      putchar(*p);
+      break;
+    case ',':
+      *p = ((ch = getchar()) == EOF) ? 0 : ch;
+      break;
+    case '[':
+      if (!*p)
+        match('[', ']', pc, ++, level);
+      break;
+    case ']':
+      if (*p)
+        match(']', '[', pc, --, level);
+      break;
+    default:
+      break;
+    }
+    pc++;
+  }
+}
+
+int main(int argc, const char *argv[]) {
+  FILE *fp = fopen(argv[1], "r");
+  char *pc = code;
+  int ch;
+  puts("HirnFick 1.0");
+  while ((ch = fgetc(fp)) != EOF) {
+    if (ch == '>' || ch == '<' || ch == '+' || ch == '-' || ch == '[' ||
+        ch == ']' || ch == '.' || ch == ',')
+      *(pc++) = ch;
+  }
+  fclose(fp);
+  exec();
+  if (debug) {
+    puts(data);
+  }
+  return 0;
+}

services.old/hirnfick/src/index.html

@@ -0,0 +1,72 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>HirnFick</title>
+    <link
+      href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css"
+      rel="stylesheet"
+      integrity="sha384-9ndCyUaIbzAi2FUVXJi0CjmCapSmO7SnpJef0486qhLnuZ2cdeRhO02iuK6FUUVM"
+      crossorigin="anonymous"
+    />
+    <style>
+      #input,
+      #output {
+        height: 500px;
+      }
+
+      :root {
+        --bs-body-bg: var(--bs-gray-100);
+      }
+    </style>
+  </head>
+  <body>
+    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
+      <div class="container">
+        <a class="navbar-brand" href="/">HirnFick</a>
+      </div>
+    </nav>
+
+    <div class="container my-5">
+      <div class="row">
+        <div class="col">
+          <label for="input" class="form-label">Input</label>
+          <textarea class="form-control font-monospace" id="input"></textarea>
+        </div>
+        <div class="col">
+          <label for="output" class="form-label">Output</label>
+          <textarea
+            class="form-control font-monospace"
+            id="output"
+            disabled
+          ></textarea>
+        </div>
+      </div>
+      <button type="button" class="my-2 w-100 btn btn-primary" onclick="run()">
+        Run
+      </button>
+    </div>
+    <script
+      src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"
+      integrity="sha384-geWF76RCwLtnZ8qwWowPQNguL3RmwHVBC9FhGdlKrxdiJJigb/j/68SIy3Te4Bkz"
+      crossorigin="anonymous"
+    ></script>
+  </body>
+  <script>
+    function run() {
+      var inputEl = document.querySelector("#input");
+      var outputEl = document.querySelector("#output");
+
+      var code = inputEl.value;
+
+      fetch("/api/run", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ code }),
+      })
+        .then((r) => r.json())
+        .then((r) => (outputEl.value = atob(r.output).slice(13)));
+    }
+  </script>
+</html>

services.old/hirnfick/src/requirements.txt

@@ -0,0 +1,2 @@
+uvicorn==0.23.2
+fastapi==0.103.1

services.old/hirnfick/src/server.py

@@ -0,0 +1,35 @@
+import tempfile
+from base64 import b64encode
+from subprocess import check_output
+
+from fastapi import FastAPI
+from fastapi.responses import FileResponse
+from pydantic import BaseModel
+
+
+class Input(BaseModel):
+    code: bytes
+
+
+class Output(BaseModel):
+    output: bytes
+
+
+app = FastAPI()
+
+
+@app.get("/")
+def index():
+    return FileResponse("index.html")
+
+
+@app.post("/api/run")
+def run(input: Input):
+    code = input.code
+
+    with tempfile.NamedTemporaryFile() as fp:
+        fp.write(code)
+        fp.seek(0)
+        output = check_output(["./hirnfick", fp.name])
+
+    return Output(output=b64encode(output))

services.old/hirnfick/src/start.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+/usr/sbin/sshd -D &
+/bin/su -s /bin/bash -c "uvicorn server:app --host 0.0.0.0 --port 8000" nobody