Added AJAX for fun. Looks kinda cool already.

git-svn-id: http://pexpect.svn.sourceforge.net/svnroot/pexpect/trunk@413 656d521f-e311-0410-88e0-e7920216d269
author: noah <noah@656d521f-e311-0410-88e0-e7920216d269> 2006-08-22 22:02:52 +0000
committer: noah <noah@656d521f-e311-0410-88e0-e7920216d269> 2006-08-22 22:02:52 +0000
commit: 86a46b773b2d72d9231d3733a407a2867411c92e (patch)
tree: 1c9607570d2f25cad08c345dca39dbc6334f23c0
parent: 17bef94c73a8a047e691f7b8b19f73c24885eeec (diff)
download: pexpect-86a46b773b2d72d9231d3733a407a2867411c92e.tar.gz
2 files changed, 187 insertions, 146 deletions
diff --git a/pexpect/examples/bd_client.cgi b/pexpect/examples/bd_client.cgi
index 4f6a1eb..c8c8b7c 100755
--- a/pexpect/examples/bd_client.cgi
+++ b/pexpect/examples/bd_client.cgi
@@ -1,7 +1,4 @@
 #!/usr/bin/env python
-"""This is a CGI interface to bd_serv.py.
-"""
-
 # #sys.path.insert (0,"/var/www/cgi-bin")
 
 import sys
@@ -36,7 +33,7 @@ form {
     font-family: "Courier New", Courier, mono;
     font-size: 8pt; 
     color: #00CC00;
-    background-color: #003300;
+    background-color: #002000;
 }
 input {
     font-family: "Courier New", Courier, mono;
@@ -51,8 +48,12 @@ textarea {
     font-size: 8pt; 
     color: #00CC00;
     background-color: #003300;
+    border-width: 1;
+    border-color: #00cc00;
+    border-style: solid;
 }
 </style>
+
 <script language="JavaScript">
 function firstFocus()
 {if (document.forms.length > 0)
@@ -67,8 +68,7 @@ if ((TForm.elements[i].type=="text")||
 <script language="JavaScript">
 // JavaScript Virtual Keyboard
 // Noah Spurrier <noah@noah.org>
-// If you like or use the code then buy me a sandwich.
-// 20040303
+// If you like this code then buy me a sandwich.
 var flag_shift=0;
 var flag_shiftlock=0;
 var flag_ctrl=0;
@@ -80,9 +80,61 @@ function init ()
     TextDestination = "typed_text";
     // Hack to set quote key to show both single and double quote.
     document.form['quote'].value = "'" + '  "';
-    focus_typed_text();
+    //focus_typed_text();
 }
 
+function loadurl(dest)
+{ 
+    xmlhttp = window.XMLHttpRequest?new XMLHttpRequest(): new ActiveXObject("Microsoft.XMLHTTP");
+    xmlhttp.onreadystatechange = update_virtual_screen;
+    xmlhttp.open("GET", dest);
+    xmlhttp.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
+    xmlhttp.send(null);
+}
+function update_virtual_screen()
+{
+    if ((xmlhttp.readyState == 4) && (xmlhttp.status == 200))
+    {
+        var screen_text = xmlhttp.responseText;
+        document.form[TextDestination].value = screen_text;
+        //var json_data = json_parse(xmlhttp.responseText);
+    }
+}
+function refresh_screen()
+{
+    loadurl('bd_client.cgi?ajax=refresh');
+}
+function query_cursor()
+{
+    loadurl('bd_client.cgi?ajax=cursor');
+}
+
+function type_key (chars)
+{
+    var ch = '?';
+    if (flag_shiftlock || flag_shift)
+    {
+        ch = chars.substr(1,1);
+    }
+    else if (flag_ctrl)
+    {
+        ch = chars.substr(2,1);
+    }
+    else
+    {
+        ch = chars.substr(0,1);
+    }
+
+    loadurl('bd_client.cgi?ajax=send&arg=' + escape(ch));
+    //insert_at_cursor (document.form[TextDestination], ch);
+    if (flag_shift || flag_ctrl)
+    {
+        flag_shift = 0;
+        flag_ctrl = 0;
+    }
+    update_button_colors();
+    //focus_typed_text();
+}
 function focus_typed_text()
 {
     document.form[TextDestination].focus();
@@ -239,130 +291,89 @@ function insert_at_cursor (field, str)
     }
 }
 
-
-function type_key (chars)
-{
-    var ch = '?';
-    if (flag_shiftlock || flag_shift)
-    {
-        ch = chars.substr(1,1);
-    }
-    else if (flag_ctrl)
-    {
-        ch = chars.substr(2,1);
-    }
-    else
-    {
-        ch = chars.substr(0,1);
-    }
-
-    insert_at_cursor (document.form[TextDestination], ch);
-    if (flag_shift || flag_ctrl)
-    {
-        flag_shift = 0;
-        flag_ctrl = 0;
-    }
-    update_button_colors();
-    focus_typed_text();
-}
 </script>
 
 </head>
 
-<body onLoad="firstFocus()">
-<pre>%(SHELL_OUTPUT)s</pre>
-<form action="/cgi-bin/bd_client_web.cgi" method="POST">
-<input name="command" type="text" size="80"><br>
+<!-- <body onLoad="firstFocus()"> -->
+<body onload="init()">
+<form id="form" name="form" action="/cgi-bin/bd_client.cgi" method="POST">
+<textarea name="typed_text" cols="80" rows="24">%(SHELL_OUTPUT)s</textarea>
 <hr noshade="1">
-<input name="submit" type="submit" value="Enter">
-<input name="ctrl_c" type="submit" value="CTRL-C">
-<input name="ctrl_d" type="submit" value="CTRL-D">
-<input name="ctrl_z" type="submit" value="CTRL-Z">
-<input name="esc" type="submit" value="ESC">
-<input name="refresh" type="submit" value="REFRESH">
-
-<p align="center"> 
-<table border="0" align="center">
-    <tr>
-    <td width="86%%" align="center">    
-    <input type="button" value="ESC" onclick="type_key('\x1b\x1b')" />
+<input name="command" type="text" size="80"><br>
+<p align="left"> 
+<table border="0" align="left">
+<tr>
+<td width="86%%" align="center">    
+    <input name="submit" type="submit" value="Enter">
+    <input name="esc" type="submit" value="ESC">
+    <input name="refresh" type="button" value="REFRESH" onclick="refresh_screen()">
+    <input name="refresh" type="button" value="CURSOR" onclick="query_cursor()">
+    <br>
+    <input type="button" value="Esc" onclick="type_key('\\x1b\\x1b')" />
     <input type="button" value="` ~" onclick="type_key('`~')" />
     <input type="button" value="1!" onclick="type_key('1!')" />
-    <input type="button" value="2@" onclick="type_key('2@\x00')" />
+    <input type="button" value="2@" onclick="type_key('2@\\x00')" />
     <input type="button" value="3#" onclick="type_key('3#')" />
-
     <input type="button" value="4$" onclick="type_key('4$')" />
     <input type="button" value="5%%" onclick="type_key('5%%')" />
-    <input type="button" value="6^" onclick="type_key('6^\x1E')" />
+    <input type="button" value="6^" onclick="type_key('6^\\x1E')" />
     <input type="button" value="7&" onclick="type_key('7&')" />
     <input type="button" value="8*" onclick="type_key('8*')" />
     <input type="button" value="9(" onclick="type_key('9(')" />
     <input type="button" value="0)" onclick="type_key('0)')" />
-    <input type="button" value="-_" onclick="type_key('-_\x1F')" />
+    <input type="button" value="-_" onclick="type_key('-_\\x1F')" />
     <input type="button" value="=+" onclick="type_key('=+')" />
-
-    <input type="button" value="BkSp" onclick="key_backspace()" />
+    <input type="button" value="BkSp" onclick="type_key('\\x08\\x08\\x08')" />
     <br>
-    <input type="button" value="TAB" onclick="type_key('\t\t')" />
-    <input type="button" value="Q" onclick="type_key('qQ\x11')" />
-    <input type="button" value="W" onclick="type_key('wW\x17')" />
-    <input type="button" value="E" onclick="type_key('eE\x05')" />
-    <input type="button" value="R" onclick="type_key('rR\x12')" />
-    <input type="button" value="T" onclick="type_key('tT\x14')" />
-    <input type="button" value="Y" onclick="type_key('yY\x19')" />
-
-    <input type="button" value="U" onclick="type_key('uU\x15')" />
-    <input type="button" value="I" onclick="type_key('iI\x09')" />
-    <input type="button" value="O" onclick="type_key('oO\x0F')" />
-    <input type="button" value="P" onclick="type_key('pP\x10')" />
-    <input type="button" value="[ {" onclick="type_key('[{\x1b')" />
-    <input type="button" value="] }" onclick="type_key(']}\x1d')" />
-    <input type="button" value="\ |" onclick="type_key('\\|\x1c')" />
+    <input type="button" value="Tab" onclick="type_key('\\t\\t')" />
+    <input type="button" value="Q" onclick="type_key('qQ\\x11')" />
+    <input type="button" value="W" onclick="type_key('wW\\x17')" />
+    <input type="button" value="E" onclick="type_key('eE\\x05')" />
+    <input type="button" value="R" onclick="type_key('rR\\x12')" />
+    <input type="button" value="T" onclick="type_key('tT\\x14')" />
+    <input type="button" value="Y" onclick="type_key('yY\\x19')" />
+    <input type="button" value="U" onclick="type_key('uU\\x15')" />
+    <input type="button" value="I" onclick="type_key('iI\\x09')" />
+    <input type="button" value="O" onclick="type_key('oO\\x0F')" />
+    <input type="button" value="P" onclick="type_key('pP\\x10')" />
+    <input type="button" value="[ {" onclick="type_key('[{\\x1b')" />
+    <input type="button" value="] }" onclick="type_key(']}\\x1d')" />
+    <input type="button" value="\\ |" onclick="type_key('\\\\|\\x1c')" />
     <br>
-    <input type="button" id="ShiftLock" value="CAPS" onclick="key_shiftlock()" />
-
-    <input type="button" value="A" onclick="type_key('aA\x01')" />
-    <input type="button" value="S" onclick="type_key('sS\x13')" />
-    <input type="button" value="D" onclick="type_key('dD\x04')" />
-    <input type="button" value="F" onclick="type_key('fF\x06')" />
-    <input type="button" value="G" onclick="type_key('gG\x07')" />
-    <input type="button" value="H" onclick="type_key('hH\x08')" />
-    <input type="button" value="J" onclick="type_key('jJ\x0A')" />
-    <input type="button" value="K" onclick="type_key('kK\x0B')" />
-    <input type="button" value="L" onclick="type_key('lL\x0C')" />
-
+    <input type="button" id="Ctrl" value="Ctrl" onclick="key_ctrl()" />
+    <input type="button" value="A" onclick="type_key('aA\\x01')" />
+    <input type="button" value="S" onclick="type_key('sS\\x13')" />
+    <input type="button" value="D" onclick="type_key('dD\\x04')" />
+    <input type="button" value="F" onclick="type_key('fF\\x06')" />
+    <input type="button" value="G" onclick="type_key('gG\\x07')" />
+    <input type="button" value="H" onclick="type_key('hH\\x08')" />
+    <input type="button" value="J" onclick="type_key('jJ\\x0A')" />
+    <input type="button" value="K" onclick="type_key('kK\\x0B')" />
+    <input type="button" value="L" onclick="type_key('lL\\x0C')" />
     <input type="button" value="; :" onclick="type_key(';:')" />
-    <input type="button" id="quote" value="'" onclick="type_key('\x27\x22')" />
-    <input type="button" value="ENTER" onclick="type_key('\n\n')" />
+    <input type="button" id="quote" value="'" onclick="type_key('\\x27\\x22')" />
+    <input type="button" value="Enter" onclick="type_key('\\n\\n')" />
     <br>
-    <input type="button" id="Ctrl" value="Ctrl" onclick="key_ctrl()" />
+    <input type="button" id="ShiftLock" value="Caps Lock" onclick="key_shiftlock()" />
     <input type="button" id="Shift" value="Shift" onclick="key_shift()"  />
-    <input type="button" value="Z" onclick="type_key('zZ\x1A')" />
-    <input type="button" value="X" onclick="type_key('xX\x18')" />
-    <input type="button" value="C" onclick="type_key('cC\x03')" />
-
-    <input type="button" value="V" onclick="type_key('vV\x16')" />
-    <input type="button" value="B" onclick="type_key('bB\x02')" />
-    <input type="button" value="N" onclick="type_key('nN\x0E')" />
-    <input type="button" value="M" onclick="type_key('mM\x0D')" />
+    <input type="button" value="Z" onclick="type_key('zZ\\x1A')" />
+    <input type="button" value="X" onclick="type_key('xX\\x18')" />
+    <input type="button" value="C" onclick="type_key('cC\\x03')" />
+    <input type="button" value="V" onclick="type_key('vV\\x16')" />
+    <input type="button" value="B" onclick="type_key('bB\\x02')" />
+    <input type="button" value="N" onclick="type_key('nN\\x0E')" />
+    <input type="button" value="M" onclick="type_key('mM\\x0D')" />
     <input type="button" value=", <" onclick="type_key(',<')" />
     <input type="button" value=". >" onclick="type_key('.>')" />
     <input type="button" value="/ ?" onclick="type_key('/?')" />
     <input type="button" id="Shift2" value="Shift" onclick="key_shift()" />
     <input type="button" id="Ctrl2" value="Ctrl" onclick="key_ctrl()" />
-
     <br>
-    <input type="button" value="          FINAL FRONTIER          " onclick="type_key('  ')" />
-  </td>
-      <!--    <td align="center"><input name="button" type="button" onclick="type_key('\\|\x1c')" value="U" />
-    <br>
-    <input name="button2" type="button" onclick="type_key('\\|\x1c')" value="L" />
-    <input name="button2" type="button" onclick="type_key('\\|\x1c')" value="H" />
-    <input name="button3" type="button" onclick="type_key('\\|\x1c')" value="R" />
-    <br>
-    <input name="button4" type="button" onclick="type_key('\\|\x1c')" value="D" /></td>    -->
+    <input type="button" value="        FINAL FRONTIER        " onclick="type_key('  ')" />
+</td>
 </tr>
-  </table>  
+</table>  
 </p>
 
 </form>
@@ -419,21 +430,34 @@ def escape_shell_meta_chars(s):
 
 #sys.path.insert (0,"/usr/local/apache/cgi-bin")
 sys.stderr = sys.stdout
-
-print "Content-type: text/html"
-print
-
+print "Content-type: text/html;charset=utf-8\r\n"
 try:
     form = cgi.FieldStorage()
-    if form.has_key("command"):
+    if form.has_key('ajax'):
+        ajax_cmd = form['ajax'].value
+        if ajax_cmd == 'send':
+            command = ':xsend'
+            arg = form['arg'].value.encode('hex')
+            result = bd_client (command + ' ' + arg)
+            print result
+        elif ajax_cmd == 'refresh':
+            command = ':refresh'
+            result = bd_client (command)
+            print result
+        elif ajax_cmd == 'cursor':
+            command = ':cursor'
+            result = bd_client (command)
+            print result
+
+    elif form.has_key('command'):
         command = form["command"].value
         result = bd_client (command)
         print page(result)
     else:
         print page()
-
 except:
-    print "\n\n<pre>"
-    traceback.print_exc()
-    print "</pre>"
+    tb_dump = traceback.format_exc()
+    print "Content-type: text/html"
+    print
+    print page(str(tb_dump))
 
diff --git a/pexpect/examples/bd_serv.py b/pexpect/examples/bd_serv.py
index 10b6578..30746bb 100755
--- a/pexpect/examples/bd_serv.py
+++ b/pexpect/examples/bd_serv.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 """Back door shell server
 
-This exposes a shell terminal emulator on a socket.
+This exposes an shell terminal on a socket.
 
     --hostname : sets the remote host name to open an ssh connection to.
     --username : sets the user name to login with
@@ -10,7 +10,7 @@ This exposes a shell terminal emulator on a socket.
 """
 # Having the password on the command line is not a good idea, but
 # then this entire project is probably not the most security concious thing
-# I've ever built. This should be considered an experimental tool.
+# I've ever built. This should be considered an experimental tool -- at best.
 import pxssh, pexpect, ANSI
 import socket
 import time, sys, os, getopt, getpass
@@ -39,6 +39,20 @@ class roller (threading.Thread):
             # self.finished.wait(self.interval)
             self.function(*self.args, **self.kwargs)
 
+def endless_poll (child, prompt, screen, refresh_timeout=0.1):
+    """This keeps the screen updated with the output of the child.
+        This runs in a separate thread.
+        See roller().
+    """
+    child.logfile_read = screen
+    while True:
+        #child.prompt (timeout=refresh_timeout)
+        try:
+            #child.read_nonblocking(1,timeout=refresh_timeout)
+            child.read_nonblocking(4000, 0.1)
+        except:
+            pass
+
 def daemonize (stdin='/dev/null', stdout='/dev/null', stderr='/dev/null'):
     '''This forks the current process into a daemon.
     Almost none of this is necessary (or advisable) if your daemon 
@@ -104,15 +118,6 @@ def add_cursor_blink (response, row, col):
     i = (row-1) * 80 + col
     return response[:i]+'<img src="http://www.noah.org/cursor.gif">'+response[i:]
 
-def endless_poll (child, prompt, screen, refresh_timeout=1):
-    """This keeps the screen updated with the output of the child.
-        This runs in a separate thread.
-    """
-    child.logfile_read = screen
-    while True:
-        child.prompt (timeout=refresh_timeout)
-        time.sleep(1)
-
 def main ():
     try:
         optlist, args = getopt.getopt(sys.argv[1:], 'h?d', ['help','h','?', 'hostname=', 'username=', 'password=', 'port='])
@@ -145,10 +150,10 @@ def main ():
     else:
         password = getpass.getpass('password: ')
    
-    #if daemon_mode: 
-    #    print "daemonizing server"
-    #    daemonize ()
-    #daemonize('/dev/null','/tmp/daemon.log','/tmp/daemon.log')
+    if daemon_mode: 
+        print "daemonizing server"
+        daemonize()
+        #daemonize('/dev/null','/tmp/daemon.log','/tmp/daemon.log')
     
     sys.stdout.write ('server started with pid %d\n' % os.getpid() )
 
@@ -183,7 +188,7 @@ def main ():
             #    conn.close()
             #    continue   
             if data[0]!=':':
-                cmd = ':command'
+                cmd = ':sendline'
                 arg = data.strip()
             else:
                 request = data.split(' ', 1)
@@ -193,15 +198,24 @@ def main ():
                 else:
                     cmd = request[0].strip()
 
-            if cmd == ':command':
+            if cmd == ':exit':
+                r.cancel()
+                break
+            elif cmd == ':sendline':
                 child.sendline (arg)
                 child.prompt(timeout=2)
-                shell_window = pretty_box(virtual_screen.rows,virtual_screen.cols,str(virtual_screen))
-            elif cmd == ':send':
+                shell_window = str(virtual_screen) #pretty_box(virtual_screen.rows,virtual_screen.cols,str(virtual_screen))
+            elif cmd == ':send' or cmd==':xsend':
+                if cmd==':xsend':
+                    arg = arg.decode("hex")
                 child.send (arg)
-                shell_window = pretty_box(virtual_screen.rows,virtual_screen.cols,str(virtual_screen))
+                time.sleep(0.2)
+                shell_window = str(virtual_screen) #pretty_box(virtual_screen.rows,virtual_screen.cols,str(virtual_screen))
+            elif cmd == ':cursor':
+                shell_window = '%x%x' % (virtual_screen.cur_r, virtual_screen.cur_c)
             elif cmd == ':refresh':
-                shell_window = pretty_box(virtual_screen.rows,virtual_screen.cols,str(virtual_screen))
+                shell_window = str(virtual_screen) #pretty_box(virtual_screen.rows,virtual_screen.cols,str(virtual_screen))
+
             #elif cmd == ':skip':
             #    # Wait until the TIMEOUT then throw away all data from the child.
             #    # Use to catch up the screen with the shell if state gets out of sync.
@@ -209,8 +223,6 @@ def main ():
             #    sh_response = child.before.replace ('\r', '')
             #    virtual_screen.write (sh_response)
             response = []
-            #response.append ('%03d' % virtual_screen.rows)
-            #response.append ('%03d' % virtual_screen.cols)
             response.append (shell_window)
             #response = add_cursor_blink (response, row, col)
             sent = conn.send('\n'.join(response))
@@ -218,12 +230,10 @@ def main ():
             if sent < len (response):
                 print "Sent is too short. Some data was cut off."
             conn.close()
-            if arg == 'exit':
-                s.close()
-                break
     finally:
         print "cleaning up socket"
         s.close()
+        print "done!"
 
 def pretty_box (rows, cols, s):
     """This puts an ASCII text box around the given string, s.
@@ -233,21 +243,19 @@ def pretty_box (rows, cols, s):
     
 def error_response (msg):
     response = []
-    response.append ('000')
-    response.append ('000')
     response.append ("""All commands start with :
 :{REQUEST} {ARGUMENT}
 {REQUEST} may be one of the following:
-    :command : Run the ARGUMENT as a shell command.
+    :sendline: Run the ARGUMENT followed by a line feed.
     :send    : send the characters in the ARGUMENT without a line feed.
     :refresh : Use to catch up the screen with the shell if state gets out of sync.
 Example:
-    :command ls -l
+    :sendline ls -l
 You may also leave off :command and it will be assumed.
 Example:
     ls -l
 is equivalent to:
-    :command ls -l
+    :sendline ls -l
 """)
     response.append (msg)
     return '\n'.join(response)
@@ -268,6 +276,15 @@ def parse_host_connect_string (hcs):
     return d
      
 if __name__ == "__main__":
-#    daemonize('/dev/null','/tmp/daemon.log','/tmp/daemon.log')
-    main()
+    try:
+        start_time = time.time()
+        print time.asctime()
+        main()
+        print time.asctime()
+        print "TOTAL TIME IN MINUTES:",
+        print (time.time() - start_time) / 60.0
+    except Exception, e:
+        print str(e)
+        tb_dump = traceback.format_exc()
+        print str(tb_dump)
author	noah <noah@656d521f-e311-0410-88e0-e7920216d269>	2006-08-22 22:02:52 +0000
committer	noah <noah@656d521f-e311-0410-88e0-e7920216d269>	2006-08-22 22:02:52 +0000
commit	86a46b773b2d72d9231d3733a407a2867411c92e (patch)
tree	1c9607570d2f25cad08c345dca39dbc6334f23c0
parent	17bef94c73a8a047e691f7b8b19f73c24885eeec (diff)
download	pexpect-86a46b773b2d72d9231d3733a407a2867411c92e.tar.gz