From 3c7813683b1845959aca706eaa23f062a006356b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 12 Jun 2024 19:47:36 +0200
Subject: Adding upstream version 3.4.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 demos/demo_sftp.py | 143 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 demos/demo_sftp.py

(limited to 'demos/demo_sftp.py')

diff --git a/demos/demo_sftp.py b/demos/demo_sftp.py
new file mode 100644
index 0000000..dbcb2cb
--- /dev/null
+++ b/demos/demo_sftp.py
@@ -0,0 +1,143 @@
+#!/usr/bin/env python
+
+# Copyright (C) 2003-2007  Robey Pointer <robeypointer@gmail.com>
+#
+# This file is part of paramiko.
+#
+# Paramiko is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# Paramiko is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
+
+# based on code provided by raymond mosteller (thanks!)
+
+import base64
+import getpass
+import os
+import socket
+import sys
+import traceback
+
+import paramiko
+from paramiko.py3compat import input
+
+
+# setup logging
+paramiko.util.log_to_file("demo_sftp.log")
+
+# Paramiko client configuration
+UseGSSAPI = True  # enable GSS-API / SSPI authentication
+DoGSSAPIKeyExchange = True
+Port = 22
+
+# get hostname
+username = ""
+if len(sys.argv) > 1:
+    hostname = sys.argv[1]
+    if hostname.find("@") >= 0:
+        username, hostname = hostname.split("@")
+else:
+    hostname = input("Hostname: ")
+if len(hostname) == 0:
+    print("*** Hostname required.")
+    sys.exit(1)
+
+if hostname.find(":") >= 0:
+    hostname, portstr = hostname.split(":")
+    Port = int(portstr)
+
+
+# get username
+if username == "":
+    default_username = getpass.getuser()
+    username = input("Username [%s]: " % default_username)
+    if len(username) == 0:
+        username = default_username
+if not UseGSSAPI:
+    password = getpass.getpass("Password for %s@%s: " % (username, hostname))
+else:
+    password = None
+
+
+# get host key, if we know one
+hostkeytype = None
+hostkey = None
+try:
+    host_keys = paramiko.util.load_host_keys(
+        os.path.expanduser("~/.ssh/known_hosts")
+    )
+except IOError:
+    try:
+        # try ~/ssh/ too, because windows can't have a folder named ~/.ssh/
+        host_keys = paramiko.util.load_host_keys(
+            os.path.expanduser("~/ssh/known_hosts")
+        )
+    except IOError:
+        print("*** Unable to open host keys file")
+        host_keys = {}
+
+if hostname in host_keys:
+    hostkeytype = host_keys[hostname].keys()[0]
+    hostkey = host_keys[hostname][hostkeytype]
+    print("Using host key of type %s" % hostkeytype)
+
+
+# now, connect and use paramiko Transport to negotiate SSH2 across the connection
+try:
+    t = paramiko.Transport((hostname, Port))
+    t.connect(
+        hostkey,
+        username,
+        password,
+        gss_host=socket.getfqdn(hostname),
+        gss_auth=UseGSSAPI,
+        gss_kex=DoGSSAPIKeyExchange,
+    )
+    sftp = paramiko.SFTPClient.from_transport(t)
+
+    # dirlist on remote host
+    dirlist = sftp.listdir(".")
+    print("Dirlist: %s" % dirlist)
+
+    # copy this demo onto the server
+    try:
+        sftp.mkdir("demo_sftp_folder")
+    except IOError:
+        print("(assuming demo_sftp_folder/ already exists)")
+    with sftp.open("demo_sftp_folder/README", "w") as f:
+        f.write("This was created by demo_sftp.py.\n")
+    with open("demo_sftp.py", "r") as f:
+        data = f.read()
+    sftp.open("demo_sftp_folder/demo_sftp.py", "w").write(data)
+    print("created demo_sftp_folder/ on the server")
+
+    # copy the README back here
+    with sftp.open("demo_sftp_folder/README", "r") as f:
+        data = f.read()
+    with open("README_demo_sftp", "w") as f:
+        f.write(data)
+    print("copied README back here")
+
+    # BETTER: use the get() and put() methods
+    sftp.put("demo_sftp.py", "demo_sftp_folder/demo_sftp.py")
+    sftp.get("demo_sftp_folder/README", "README_demo_sftp")
+
+    t.close()
+
+except Exception as e:
+    print("*** Caught exception: %s: %s" % (e.__class__, e))
+    traceback.print_exc()
+    try:
+        t.close()
+    except:
+        pass
+    sys.exit(1)
-- 
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