added smtp testing utility

contrib/smtp/smtp-source.py

@@ -0,0 +1,131 @@
+#!/usr/bin/python
+
+import argparse
+import smtplib
+import random
+import string
+import quopri
+import time
+import sys
+import email.utils
+
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+
+"""
+check out http://blog.magiksys.net/generate-and-send-mail-with-python-tutorial
+for a real professional solution
+"""
+
+
+eol = "\r\n"
+dictionary = "dictionary.txt"
+checkpoint_for_newline = 300
+
+
+def create_random_string(len=60):
+    return ''.join(random.choice(string.uppercase + string.digits) for i in range(len))
+
+
+def create_msg(words, size=10000):
+    msg_text = ""
+    msg_size = 0
+    new_line_checkpoint = checkpoint_for_newline
+
+    while msg_size < size:
+        choice = random.SystemRandom().choice
+        s = str(choice(words)).replace('\n', ' ')
+        msg_text += s
+        msg_size += len(s)
+        if msg_size > new_line_checkpoint:
+            new_line_checkpoint += checkpoint_for_newline
+            msg_text += eol + eol
+
+    return msg_text
+
+
+def create_text_mime_part(text, charset, encoding, boundary):
+    part = ""
+
+    part += "--" + boundary + eol
+    part += "Content-Type: text/plain; charset=\"" + charset + "\"" + eol
+    part += "Content-Transfer-Encoding: " + encoding + eol
+    part += eol
+    part += text + eol + eol
+
+    return part
+ 
+
+def create_headers(args, boundary):
+    hdr = ""
+
+    hdr += "Content-Type: multipart/alternative;" + eol
+    hdr += "   boundary=\"" + boundary + "\"" + eol
+    hdr += "MIME-Version: 1.0" + eol
+    hdr += "Subject: " + args.subject + eol
+    hdr += "From: " + args.sender + eol
+    hdr += "To: " + ', ' . join(args.rcpt) + eol
+    hdr += "Date: " + email.utils.formatdate(time.time(), localtime=True) + eol
+    hdr += "Message-ID: " + "<" + create_random_string(40) + "@" + args.helo + ">" + eol
+    hdr += eol + eol
+
+    return hdr
+
+
+def create_message(words, args):
+    msg = ""
+
+    boundary = '_' + create_random_string() + '_'
+
+    msg += create_headers(args, boundary)
+
+    the_text = create_msg(words, args.msglen)
+    the_text = quopri.encodestring(the_text)
+
+    msg += create_text_mime_part(the_text, "iso-8859-2", "quoted-printable", boundary)
+    msg += "--" + boundary + eol
+
+    return msg
+
+
+parser = argparse.ArgumentParser()
+
+parser.add_argument("--helo", type=str, help="ehlo hostname", default="myhost.aaa.fu")
+parser.add_argument("-f", "--sender", type=str, help="sender email", default="sender@aaa.fu")
+parser.add_argument("-r", "--rcpt", type=str, nargs='+', help="recipient email(s)", default=["archive@aaa.fu"])
+parser.add_argument("-c", "--count", type=int, help="number of emails to send", default=1)
+parser.add_argument("-d", "--debug", type=int, help="debug level", default=0)
+parser.add_argument("--session", type=int, help="number of emails to send in one smtp transaction", default=1)
+parser.add_argument("-s", "--server", type=str, help="smtp server", required=True)
+parser.add_argument("-p", "--port", type=int, help="smtp port", default=25)
+parser.add_argument("--subject", type=str, help="subject", default="This is test subject")
+parser.add_argument("-l", "--msglen", type=int, help="message length (approx.)", default=20000)
+
+args = parser.parse_args()
+
+
+with open(dictionary) as f:
+    words = f.readlines()
+
+i = 0
+while i < args.count:
+    server = smtplib.SMTP(args.server, args.port, args.helo, 10)
+
+    k = 0
+
+    while i < args.count and k < args.session:
+        message = create_message(words, args)
+        server.set_debuglevel(args.debug)
+        server.sendmail(args.sender, args.rcpt, message)
+
+        k += 1
+        i += 1
+ 
+        if args.debug == 0:
+            sys.stdout.write('%s\r' % str(i))
+            sys.stdout.flush()
+
+    server.quit()
+
+if args.debug == 0:
+    print