From 2c1299b0071c2c528cc01e3cde9eb22743820176 Mon Sep 17 00:00:00 2001
From: Thorsten von Eicken <tve@voneicken.com>
Date: Thu, 2 Apr 2020 10:01:16 -0700
Subject: extmod/modussl: Fix ussl read/recv/send/write errors when
 non-blocking.

Also fix related problems with socket on esp32, improve docs for
wrap_socket, and add more tests.
---
 tests/net_inet/ssl_errors.py | 51 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 tests/net_inet/ssl_errors.py

(limited to 'tests/net_inet/ssl_errors.py')

diff --git a/tests/net_inet/ssl_errors.py b/tests/net_inet/ssl_errors.py
new file mode 100644
index 0000000000..fd281b1c49
--- /dev/null
+++ b/tests/net_inet/ssl_errors.py
@@ -0,0 +1,51 @@
+# test that socket.connect() on a non-blocking socket raises EINPROGRESS
+# and that an immediate write/send/read/recv does the right thing
+
+import sys
+
+try:
+    import uerrno as errno, usocket as socket, ussl as ssl
+except:
+    import errno, socket, ssl
+
+
+def test(addr, hostname, block=True):
+    print("---", hostname or addr)
+    s = socket.socket()
+    s.setblocking(block)
+    try:
+        s.connect(addr)
+        print("connected")
+    except OSError as e:
+        if e.args[0] != errno.EINPROGRESS:
+            raise
+        print("EINPROGRESS")
+
+    try:
+        if sys.implementation.name == "micropython":
+            s = ssl.wrap_socket(s, do_handshake=block)
+        else:
+            s = ssl.wrap_socket(s, do_handshake_on_connect=block)
+        print("wrap: True")
+    except OSError:
+        print("wrap: error")
+
+    if not block:
+        try:
+            while s.write(b"0") is None:
+                pass
+        except (ValueError, OSError):  # CPython raises ValueError, MicroPython raises OSError
+            print("write: error")
+    s.close()
+
+
+if __name__ == "__main__":
+    # connect to plain HTTP port, oops!
+    addr = socket.getaddrinfo("micropython.org", 80)[0][-1]
+    test(addr, None)
+    # connect to plain HTTP port, oops!
+    addr = socket.getaddrinfo("micropython.org", 80)[0][-1]
+    test(addr, None, False)
+    # connect to server with self-signed cert, oops!
+    addr = socket.getaddrinfo("test.mosquitto.org", 8883)[0][-1]
+    test(addr, "test.mosquitto.org")
-- 
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