aboutsummaryrefslogtreecommitdiffstats
path: root/Mailman/Cgi
diff options
context:
space:
mode:
Diffstat (limited to 'Mailman/Cgi')
-rw-r--r--Mailman/Cgi/listinfo.py16
-rwxr-xr-x[-rw-r--r--]Mailman/Cgi/subscribe.py20
2 files changed, 34 insertions, 2 deletions
diff --git a/Mailman/Cgi/listinfo.py b/Mailman/Cgi/listinfo.py
index 8aaae14c..5fbaaaf3 100644
--- a/Mailman/Cgi/listinfo.py
+++ b/Mailman/Cgi/listinfo.py
@@ -1,4 +1,4 @@
-# Copyright (C) 1998-2010 by the Free Software Foundation, Inc.
+# Copyright (C) 1998-2012 by the Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
@@ -22,6 +22,7 @@
import os
import cgi
+import time
from Mailman import mm_cfg
from Mailman import Utils
@@ -184,6 +185,19 @@ def list_listinfo(mlist, lang):
replacements['<mm-confirm-password>'] = mlist.FormatSecureBox('pw-conf')
replacements['<mm-subscribe-form-start>'] = mlist.FormatFormStart(
'subscribe')
+ if mm_cfg.SUBSCRIBE_FORM_SECRET:
+ now = str(int(time.time()))
+ replacements['<mm-subscribe-form-start>'] += (
+ '<input type="hidden" name="sub_form_token" value="%s:%s">\n'
+ % (now, Utils.sha_new(mm_cfg.SUBSCRIBE_FORM_SECRET +
+ now +
+ mlist.internal_name() +
+ os.environ.get('REMOTE_HOST',
+ os.environ.get('REMOTE_ADDR',
+ 'w.x.y.z'))
+ ).hexdigest()
+ )
+ )
# Roster form substitutions
replacements['<mm-roster-form-start>'] = mlist.FormatFormStart('roster')
replacements['<mm-roster-option>'] = mlist.FormatRosterOptionForUser(lang)
diff --git a/Mailman/Cgi/subscribe.py b/Mailman/Cgi/subscribe.py
index 7c49c51c..0fde280a 100644..100755
--- a/Mailman/Cgi/subscribe.py
+++ b/Mailman/Cgi/subscribe.py
@@ -1,4 +1,4 @@
-# Copyright (C) 1998-2011 by the Free Software Foundation, Inc.
+# Copyright (C) 1998-2012 by the Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
@@ -20,6 +20,7 @@
import sys
import os
import cgi
+import time
import signal
from Mailman import mm_cfg
@@ -120,6 +121,23 @@ def process_form(mlist, doc, cgidata, lang):
remote = os.environ.get('REMOTE_HOST',
os.environ.get('REMOTE_ADDR',
'unidentified origin'))
+ # Are we checking the hidden data?
+ if mm_cfg.SUBSCRIBE_FORM_SECRET:
+ now = int(time.time())
+ try:
+ ftime, fhash = cgidata.getvalue('sub_form_token', '').split(':')
+ then = int(ftime)
+ except ValueError:
+ ftime = fhash = ''
+ then = now
+ token = Utils.sha_new(mm_cfg.SUBSCRIBE_FORM_SECRET +
+ ftime +
+ mlist.internal_name() +
+ remote).hexdigest()
+ if now - then > mm_cfg.FORM_LIFETIME:
+ results.append(_('The form is too old. Please GET it again.'))
+ if token != fhash:
+ results.append(_('You must GET the form before submitting it.'))
# Was an attempt made to subscribe the list to itself?
if email == mlist.GetListEmail():
syslog('mischief', 'Attempt to self subscribe %s: %s', email, remote)