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nneonneo avatar nneonneo commented on September 15, 2024 1

@Snowmander Thanks very much for the log. I was able to reproduce the problem with a private OpenVPN server, and I put in a patch that made OpenVPN work for me locally. Give it a try now :)

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nneonneo avatar nneonneo commented on September 15, 2024

I can't do anything about Spotify; that's their bug, not mine, and there's no clean way to force all traffic on a computer to go through a SOCKS proxy (there are various VPN-esque hacks such as FlowerWrong/tun2socks; this seems to be a good list: https://ntc.party/t/convert-socks5-to-tun-tap-proxy-as-vpn/107).

However, UDP support ("command 3") I can do - I just pushed a couple commits that implement UDP support (as well as performing some long-necessary house cleaning on the code). Give it a shot and let me know if it works.

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nneonneo avatar nneonneo commented on September 15, 2024

@Snowmander Let me know if the new changes make OpenVPN work. I have very few applications that are able to tunnel UDP over SOCKS, so I'd be curious to know if my implementation of UDP SOCKS works with OpenVPN.

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Snowmander avatar Snowmander commented on September 15, 2024

@nneonneo Sorry for not getting back to you earlier. I was a bit busy and had trouble transferring the log from my phone. I wasn't able to get OpenVPN working under the proxy.

2020-05-08 17:36:39.278617 Socket Buffers: R=[786896->524288] S=[9216->524288]
2020-05-08 17:36:39.278636 Attempting to establish TCP connection with [AF_INET]169.254.146.160:9876 [nonblock]
2020-05-08 17:36:39.278652 MANAGEMENT: >STATE:1588926999,TCP_CONNECT,,,,,,
2020-05-08 17:36:39.278849 MANAGEMENT: CMD 'hold release'
2020-05-08 17:36:40.349912 TCP connection established with [AF_INET]169.254.146.160:9876
2020-05-08 17:36:40.374974 recv_socks_reply: Socks proxy returned bad reply
2020-05-08 17:36:40.375171 SIGUSR1[soft,init_instance] received, process restarting
2020-05-08 17:36:40.375210 MANAGEMENT: >STATE:1588927000,RECONNECTING,init_instance,,,,,
2020-05-08 17:36:40.380799 MANAGEMENT: CMD 'hold release'
2020-05-08 17:36:40.380862 WARNING: --ns-cert-type is DEPRECATED.  Use --remote-cert-tls instead.
2020-05-08 17:36:40.380877 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
2020-05-08 17:36:40.380983 TCP/UDP: Preserving recently used remote address: [AF_INET]169.254.146.160:9876
2020-05-08 17:36:40.381054 Socket Buffers: R=[786896->524288] S=[9216->524288]
2020-05-08 17:36:40.381071 Attempting to establish TCP connection with [AF_INET]169.254.146.160:9876 [nonblock]
2020-05-08 17:36:40.381087 MANAGEMENT: >STATE:1588927000,TCP_CONNECT,,,,,,
2020-05-08 17:36:40.381243 MANAGEMENT: CMD 'hold release'
2020-05-08 17:36:41.449332 TCP connection established with [AF_INET]169.254.146.160:9876
2020-05-08 17:36:41.464472 recv_socks_reply: Socks proxy returned bad reply
2020-05-08 17:36:41.464716 SIGUSR1[soft,init_instance] received, process restarting
2020-05-08 17:36:41.464750 MANAGEMENT: >STATE:1588927001,RECONNECTING,init_instance,,,,,

INFO:root:169.254.25.9:59158: new connection
ERROR:root:169.254.25.9:59158: connect error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59158: shutting down
INFO:root:169.254.25.9:59159: new connection
ERROR:root:169.254.25.9:59159: connect error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59159: shutting down
INFO:root:169.254.25.9:59160: new connection
INFO:root:169.254.25.9:59161: new connection
INFO:root:169.254.25.9:59161: connected to p43-caldav.icloud.com:443
ERROR:root:169.254.25.9:59160: connect error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59160: shutting down
INFO:root:169.254.25.9:59162: new connection
ERROR:root:169.254.25.9:59162: connect error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59162: shutting down
INFO:root:169.254.25.9:59163: new connection
ERROR:root:169.254.25.9:59163: connect error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59163: shutting down

OpenVPN configuration:
socks-proxy 169.254.146.160 9876

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nneonneo avatar nneonneo commented on September 15, 2024

That doesn't look like the newest version of the code; try updating and see if that fixes anything. (Also - the top of the Pythonista log is very helpful, since it will tell me whether it's locating the right libraries and interfaces)

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Snowmander avatar Snowmander commented on September 15, 2024

You're right, that was not the latest version of the code. The issue seems to be the same though.

Assuming proxy will be accessed over WiFi (en0) at 169.254.146.160
Will connect to servers over interface pdp_ip0 at 10.48.78.163
Warning: dnspython not available; falling back to system DNS
PAC URL: http://169.254.146.160:80/wpad.dat
SOCKS Address: 169.254.146.160:9876
INFO:root:169.254.25.9:59431: new connection
INFO:root:169.254.25.9:59431 -> 15-courier.push.apple.com:5223: connected

(…)

INFO:root:169.254.25.9:59450 -> tunnelblick.net:443: connected
INFO:root:169.254.25.9:59452: new connection
ERROR:root:169.254.25.9:59452 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59453: new connection
ERROR:root:169.254.25.9:59453 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59454: new connection
ERROR:root:169.254.25.9:59454 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59455: new connection
ERROR:root:169.254.25.9:59455 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59456: new connection
ERROR:root:169.254.25.9:59456 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59457: new connection
ERROR:root:169.254.25.9:59457 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59458: new connection
ERROR:root:169.254.25.9:59458 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59459: new connection
ERROR:root:169.254.25.9:59459 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59460: new connection
ERROR:root:169.254.25.9:59460 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
INFO:root:169.254.25.9:59461: new connection
ERROR:root:169.254.25.9:59461 -> 169.254.25.9:0: udp association error [Errno 49] Can't assign requested address
Shutting down.
Exception in thread Thread-11:
Traceback (most recent call last):
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/socketserver.py", line 640, in process_request_thread
    self.finish_request(request, client_address)
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/socketserver.py", line 362, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/socketserver.py", line 697, in __init__
    self.handle()
  File "/private/var/mobile/Library/Mobile Documents/iCloud~com~omz-software~Pythonista3/Documents/socks5.py", line 189, in handle
    self.handle_connect(address, port)
  File "/private/var/mobile/Library/Mobile Documents/iCloud~com~omz-software~Pythonista3/Documents/socks5.py", line 238, in handle_connect
    self.tcp_loop(self.connection, remote)
  File "/private/var/mobile/Library/Mobile Documents/iCloud~com~omz-software~Pythonista3/Documents/socks5.py", line 255, in tcp_loop
    r, _, _ = select([sock1, sock2], [], [], IDLE_TIMEOUT)
KeyboardInterrupt

Exception in thread Thread-23:
Traceback (most recent call last):
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/socketserver.py", line 640, in process_request_thread
    self.finish_request(request, client_address)
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/socketserver.py", line 362, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/var/containers/Bundle/Application/A787A1C4-AD5A-481F-BE57-90B0D58B11BB/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/socketserver.py", line 697, in __init__
    self.handle()
  File "/private/var/mobile/Library/Mobile Documents/iCloud~com~omz-software~Pythonista3/Documents/socks5.py", line 189, in handle
    self.handle_connect(address, port)
  File "/private/var/mobile/Library/Mobile Documents/iCloud~com~omz-software~Pythonista3/Documents/socks5.py", line 238, in handle_connect
    self.tcp_loop(self.connection, remote)
  File "/private/var/mobile/Library/Mobile Documents/iCloud~com~omz-software~Pythonista3/Documents/socks5.py", line 255, in tcp_loop
    r, _, _ = select([sock1, sock2], [], [], IDLE_TIMEOUT)
KeyboardInterrupt

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Snowmander avatar Snowmander commented on September 15, 2024

@nneonneo Unfortunately, it doesn't seem to be quite working, although it succeeds in making a UDP connection. I suspect that's because of domain resolution failure, which would explain why you could presumably connect to a private server by the ip. I tested that the VPN address successfully resolves on a normal connection, and it does.

I'm out of the situation that required me a hotspot last week, so I'm not in a hurry right now. Again, thanks for all the work you're putting in this project!

Assuming proxy will be accessed over WiFi (en0) at 169.254.6.101
Will connect to servers over interface pdp_ip0 at 10.114.138.176
PAC URL: http://169.254.6.101:80/wpad.dat
SOCKS Address: 169.254.6.101:9876
INFO:root:169.254.238.63:49812: new connection
DEBUG:root:169.254.238.63:49812: resolving address 50-courier.push.apple.com
INFO:root:169.254.238.63:49812 -> 17.57.145.68:5223: connected
INFO:root:169.254.238.63:49813: new connection
INFO:root:169.254.238.63:49814: new connection
DEBUG:root:169.254.238.63:49813: resolving address live.github.com
INFO:root:169.254.238.63:49815: new connection
DEBUG:root:169.254.238.63:49814: resolving address github.com
DEBUG:root:169.254.238.63:49815: resolving address github.com
INFO:root:169.254.238.63:49813 -> 140.82.114.25:443: connected
INFO:root:169.254.238.63:49814 -> 140.82.118.4:443: connected
INFO:root:169.254.238.63:49815 -> 140.82.118.4:443: connected
INFO:root:169.254.238.63:49816: new connection
DEBUG:root:169.254.238.63:49816: resolving address live.github.com
INFO:root:169.254.238.63:49817: new connection
DEBUG:root:169.254.238.63:49817: resolving address github.com
INFO:root:169.254.238.63:49816 -> 140.82.114.25:443: connected
INFO:root:169.254.238.63:49817 -> 140.82.118.4:443: connected
INFO:root:169.254.238.63:49818: new connection
DEBUG:root:169.254.238.63:49818: resolving address tunnelblick.net
INFO:root:169.254.238.63:49818 -> 104.26.8.14:443: connected
INFO:root:169.254.238.63:49820: new connection
INFO:root:169.254.238.63:49818 -> 104.26.8.14:443: shutting down
INFO:root:169.254.238.63:49820 [udp]: udp association established
INFO:root:169.254.238.63:49821: new connection
DEBUG:root:169.254.238.63:49821: resolving address tunnelblick.net
INFO:root:169.254.238.63:49821 -> 104.26.8.14:443: connected
INFO:root:169.254.238.63:49820 [udp]: shutting down
INFO:root:169.254.238.63:49822: new connection
INFO:root:169.254.238.63:49822 [udp]: udp association established

2020-05-11 13:46:26.374392 WARNING: --ns-cert-type is DEPRECATED.  Use --remote-cert-tls instead.
2020-05-11 13:46:26.374418 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
2020-05-11 13:46:26.375734 Outgoing Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication
2020-05-11 13:46:26.375763 Incoming Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication
2020-05-11 13:46:26.375924 TCP/UDP: Preserving recently used remote address: [AF_INET]169.254.6.101:9876
2020-05-11 13:46:26.375987 Socket Buffers: R=[786896->524288] S=[9216->524288]
2020-05-11 13:46:26.376001 Attempting to establish TCP connection with [AF_INET]169.254.6.101:9876 [nonblock]
2020-05-11 13:46:26.376010 MANAGEMENT: >STATE:1589172386,TCP_CONNECT,,,,,,
2020-05-11 13:46:27.450112 TCP connection established with [AF_INET]169.254.6.101:9876
2020-05-11 13:46:27.469336 SOCKS proxy wants us to send UDP to [AF_INET]169.254.6.101:63064
2020-05-11 13:46:27.469411 MANAGEMENT: >STATE:1589172387,RESOLVE,,,,,,
2020-05-11 13:46:57.476172 RESOLVE: Cannot resolve host address: [redacted].com:1111 (nodename nor servname provided, or not known)
2020-05-11 13:46:57.476452 SIGUSR1[soft,init_instance] received, process restarting
2020-05-11 13:46:57.476497 MANAGEMENT: >STATE:1589172417,RECONNECTING,init_instance,,,,,
2020-05-11 13:46:57.626949 MANAGEMENT: CMD 'hold release'
2020-05-11 13:46:57.627043 WARNING: --ns-cert-type is DEPRECATED.  Use --remote-cert-tls instead.
2020-05-11 13:46:57.627066 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
2020-05-11 13:46:57.627362 TCP/UDP: Preserving recently used remote address: [AF_INET]169.254.6.101:9876
2020-05-11 13:46:57.627456 Socket Buffers: R=[786896->524288] S=[9216->524288]
2020-05-11 13:46:57.627483 Attempting to establish TCP connection with [AF_INET]169.254.6.101:9876 [nonblock]
2020-05-11 13:46:57.627502 MANAGEMENT: >STATE:1589172417,TCP_CONNECT,,,,,,
2020-05-11 13:46:57.627753 MANAGEMENT: CMD 'hold release'
2020-05-11 13:46:58.652104 TCP connection established with [AF_INET]169.254.6.101:9876

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nneonneo avatar nneonneo commented on September 15, 2024

from ios-socks-server.

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