Delete examples/simple/ (#837)

* Delete README

* Delete client.py

* Delete server.py

3 files changed, 0 insertions, 184 deletions

diff --git a/examples/simple/README b/examples/simple/README
deleted file mode 100644
index a072998..0000000
--- a/examples/simple/README
+++ /dev/null
@@ -1,3 +0,0 @@
-To use this example, first generate keys and certificates for both the
-client and the server.  You can do this with the script in the directory
-above this one, mk_simple_certs.py.
diff --git a/examples/simple/client.py b/examples/simple/client.py
deleted file mode 100644
index 5662122..0000000
--- a/examples/simple/client.py
+++ /dev/null
@@ -1,62 +0,0 @@
-# -*- coding: latin-1 -*-
-#
-# Copyright (C) AB Strakt
-# Copyright (C) Jean-Paul Calderone
-# See LICENSE for details.
-
-"""
-Simple SSL client, using blocking I/O
-"""
-
-import os
-import socket
-import sys
-
-from OpenSSL import SSL, crypto
-
-
-def verify_cb(conn, cert, errnum, depth, ok):
-    certsubject = crypto.X509Name(cert.get_subject())
-    commonname = certsubject.commonName
-    print('Got certificate: ' + commonname)
-    return ok
-
-
-if len(sys.argv) < 3:
-    print('Usage: python client.py HOST PORT')
-    sys.exit(1)
-
-
-dir = os.path.dirname(sys.argv[0])
-if dir == '':
-    dir = os.curdir
-
-
-# Initialize context
-ctx = SSL.Context(SSL.SSLv23_METHOD)
-ctx.set_options(SSL.OP_NO_SSLv2)
-ctx.set_options(SSL.OP_NO_SSLv3)
-ctx.set_verify(SSL.VERIFY_PEER, verify_cb)  # Demand a certificate
-ctx.use_privatekey_file(os.path.join(dir, 'client.pkey'))
-ctx.use_certificate_file(os.path.join(dir, 'client.cert'))
-ctx.load_verify_locations(os.path.join(dir, 'CA.cert'))
-
-# Set up client
-sock = SSL.Connection(ctx, socket.socket(socket.AF_INET, socket.SOCK_STREAM))
-sock.connect((sys.argv[1], int(sys.argv[2])))
-
-while 1:
-    line = sys.stdin.readline()
-    if line == '':
-        break
-    try:
-        sock.send(line)
-        sys.stdout.write(sock.recv(1024).decode('utf-8'))
-        sys.stdout.flush()
-    except SSL.Error:
-        print('Connection died unexpectedly')
-        break
-
-
-sock.shutdown()
-sock.close()
diff --git a/examples/simple/server.py b/examples/simple/server.py
deleted file mode 100644
index d25feb1..0000000
--- a/examples/simple/server.py
+++ /dev/null
@@ -1,119 +0,0 @@
-# -*- coding: latin-1 -*-
-#
-# Copyright (C) AB Strakt
-# Copyright (C) Jean-Paul Calderone
-# See LICENSE for details.
-
-"""
-Simple echo server, using nonblocking I/O
-"""
-
-from __future__ import print_function
-
-import os
-import select
-import socket
-import sys
-
-from OpenSSL import SSL, crypto
-
-
-def verify_cb(conn, cert, errnum, depth, ok):
-    certsubject = crypto.X509Name(cert.get_subject())
-    commonname = certsubject.commonName
-    print('Got certificate: ' + commonname)
-    return ok
-
-
-if len(sys.argv) < 2:
-    print('Usage: python server.py PORT')
-    sys.exit(1)
-
-dir = os.path.dirname(sys.argv[0])
-if dir == '':
-    dir = os.curdir
-
-# Initialize context
-ctx = SSL.Context(SSL.SSLv23_METHOD)
-ctx.set_options(SSL.OP_NO_SSLv2)
-ctx.set_options(SSL.OP_NO_SSLv3)
-ctx.set_verify(
-    SSL.VERIFY_PEER | SSL.VERIFY_FAIL_IF_NO_PEER_CERT, verify_cb
-)  # Demand a certificate
-ctx.use_privatekey_file(os.path.join(dir, 'server.pkey'))
-ctx.use_certificate_file(os.path.join(dir, 'server.cert'))
-ctx.load_verify_locations(os.path.join(dir, 'CA.cert'))
-
-# Set up server
-server = SSL.Connection(ctx, socket.socket(socket.AF_INET, socket.SOCK_STREAM))
-server.bind(('', int(sys.argv[1])))
-server.listen(3)
-server.setblocking(0)
-
-clients = {}
-writers = {}
-
-
-def dropClient(cli, errors=None):
-    if errors:
-        print('Client %s left unexpectedly:' % (clients[cli],))
-        print('  ', errors)
-    else:
-        print('Client %s left politely' % (clients[cli],))
-    del clients[cli]
-    if cli in writers:
-        del writers[cli]
-    if not errors:
-        cli.shutdown()
-    cli.close()
-
-
-while 1:
-    try:
-        r, w, _ = select.select(
-            [server] + list(clients.keys()), list(writers.keys()), []
-        )
-    except Exception:
-        break
-
-    for cli in r:
-        if cli == server:
-            cli, addr = server.accept()
-            print('Connection from %s' % (addr,))
-            clients[cli] = addr
-
-        else:
-            try:
-                ret = cli.recv(1024).decode('utf-8')
-            except (SSL.WantReadError,
-                    SSL.WantWriteError,
-                    SSL.WantX509LookupError):
-                pass
-            except SSL.ZeroReturnError:
-                dropClient(cli)
-            except SSL.Error as errors:
-                dropClient(cli, errors)
-            else:
-                if cli not in writers:
-                    writers[cli] = ''
-                writers[cli] = writers[cli] + ret
-
-    for cli in w:
-        try:
-            ret = cli.send(writers[cli])
-        except (SSL.WantReadError,
-                SSL.WantWriteError,
-                SSL.WantX509LookupError):
-            pass
-        except SSL.ZeroReturnError:
-            dropClient(cli)
-        except SSL.Error as errors:
-            dropClient(cli, errors)
-        else:
-            writers[cli] = writers[cli][ret:]
-            if writers[cli] == '':
-                del writers[cli]
-
-for cli in clients.keys():
-    cli.close()
-server.close()