| 1 | n/a | #!/usr/bin/env python3 |
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| 2 | n/a | |
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| 3 | n/a | """ |
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| 4 | n/a | Remote python server. |
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| 5 | n/a | Execute Python commands remotely and send output back. |
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| 6 | n/a | |
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| 7 | n/a | WARNING: This version has a gaping security hole -- it accepts requests |
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| 8 | n/a | from any host on the Internet! |
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| 9 | n/a | """ |
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| 10 | n/a | |
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| 11 | n/a | import sys |
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| 12 | n/a | from socket import socket, AF_INET, SOCK_STREAM |
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| 13 | n/a | import io |
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| 14 | n/a | import traceback |
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| 15 | n/a | |
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| 16 | n/a | PORT = 4127 |
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| 17 | n/a | BUFSIZE = 1024 |
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| 18 | n/a | |
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| 19 | n/a | def main(): |
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| 20 | n/a | if len(sys.argv) > 1: |
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| 21 | n/a | port = int(sys.argv[1]) |
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| 22 | n/a | else: |
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| 23 | n/a | port = PORT |
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| 24 | n/a | s = socket(AF_INET, SOCK_STREAM) |
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| 25 | n/a | s.bind(('', port)) |
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| 26 | n/a | s.listen(1) |
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| 27 | n/a | while True: |
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| 28 | n/a | conn, (remotehost, remoteport) = s.accept() |
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| 29 | n/a | print('connection from', remotehost, remoteport) |
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| 30 | n/a | request = b'' |
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| 31 | n/a | while 1: |
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| 32 | n/a | data = conn.recv(BUFSIZE) |
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| 33 | n/a | if not data: |
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| 34 | n/a | break |
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| 35 | n/a | request += data |
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| 36 | n/a | reply = execute(request.decode()) |
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| 37 | n/a | conn.send(reply.encode()) |
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| 38 | n/a | conn.close() |
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| 39 | n/a | |
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| 40 | n/a | def execute(request): |
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| 41 | n/a | stdout = sys.stdout |
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| 42 | n/a | stderr = sys.stderr |
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| 43 | n/a | sys.stdout = sys.stderr = fakefile = io.StringIO() |
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| 44 | n/a | try: |
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| 45 | n/a | try: |
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| 46 | n/a | exec(request, {}, {}) |
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| 47 | n/a | except: |
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| 48 | n/a | print() |
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| 49 | n/a | traceback.print_exc(100) |
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| 50 | n/a | finally: |
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| 51 | n/a | sys.stderr = stderr |
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| 52 | n/a | sys.stdout = stdout |
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| 53 | n/a | return fakefile.getvalue() |
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| 54 | n/a | |
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| 55 | n/a | try: |
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| 56 | n/a | main() |
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| 57 | n/a | except KeyboardInterrupt: |
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| 58 | n/a | pass |
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