From e4dd1bf9357f0369ed0ba1e5b7c66c696b0a2fb9 Mon Sep 17 00:00:00 2001
From: Robey Pointer <robey@master-shake.local>
Date: Fri, 27 Jan 2006 10:19:25 -0800
Subject: [PATCH] [project @
 robey@master-shake.local-20060127181925-3e7e5133b20d2f5b] add a demo for sftp

---
 demos/demo.py      |   1 +
 demos/demo_sftp.py | 115 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 116 insertions(+)
 create mode 100755 demos/demo_sftp.py

diff --git a/demos/demo.py b/demos/demo.py
index 1eb33e8..e5efc94 100755
--- a/demos/demo.py
+++ b/demos/demo.py
@@ -131,6 +131,7 @@ try:
             print '*** Unable to open host keys file'
             keys = {}
 
+    # check server's host key -- this is important.
     key = t.get_remote_server_key()
     if not keys.has_key(hostname):
         print '*** WARNING: Unknown host key!'
diff --git a/demos/demo_sftp.py b/demos/demo_sftp.py
new file mode 100755
index 0000000..a9ce6ff
--- /dev/null
+++ b/demos/demo_sftp.py
@@ -0,0 +1,115 @@
+#!/usr/bin/env python
+
+# Copyright (C) 2003-2005 Robey Pointer <robey@lag.net>
+#
+# 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 distrubuted 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.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+
+# based on code provided by raymond mosteller (thanks!)
+
+import base64
+import getpass
+import os
+import socket
+import sys
+import traceback
+
+import paramiko
+import interactive
+
+
+# setup logging
+paramiko.util.log_to_file('demo_sftp.log')
+
+# get hostname
+username = ''
+if len(sys.argv) > 1:
+    hostname = sys.argv[1]
+    if hostname.find('@') >= 0:
+        username, hostname = hostname.split('@')
+else:
+    hostname = raw_input('Hostname: ')
+if len(hostname) == 0:
+    print '*** Hostname required.'
+    sys.exit(1)
+port = 22
+if hostname.find(':') >= 0:
+    hostname, portstr = hostname.split(':')
+    port = int(portstr)
+
+
+# get username
+if username == '':
+    default_username = getpass.getuser()
+    username = raw_input('Username [%s]: ' % default_username)
+    if len(username) == 0:
+        username = default_username
+password = getpass.getpass('Password for %s@%s: ' % (username, hostname))
+
+
+# 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:
+        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 host_keys.has_key(hostname):
+    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(username=username, password=password, hostkey=hostkey)
+    sftp = paramiko.SFTPClient.from_transport(t)
+
+    # dirlist on remote host
+    dirlist = sftp.listdir('.')
+    print "Dirlist:", dirlist
+
+    # copy this demo onto the server
+    try:
+        sftp.mkdir("demo_sftp_folder")
+    except IOError:
+        print '(assuming demo_sftp_folder/ already exists)'
+    sftp.open('demo_sftp_folder/README', 'w').write('This was created by demo_sftp.py.\n')
+    data = open('demo_sftp.py', 'r').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
+    data = sftp.open('demo_sftp_folder/README', 'r').read()
+    open('README_demo_sftp', 'w').write(data)
+    print 'copied README back here'
+
+    t.close()
+
+except Exception, e:
+    print '*** Caught exception: %s: %s' % (e.__class__, e)
+    traceback.print_exc()
+    try:
+        t.close()
+    except:
+        pass
+    sys.exit(1)