X-Git-Url: http://git.onelab.eu/?p=myops.git;a=blobdiff_plain;f=web%2Fcollect%2Fclient%2FDNS%2Flazy.py;fp=web%2Fcollect%2Fclient%2FDNS%2Flazy.py;h=4d55fc865301aedac3830b1b2c437e0d959d6397;hp=0000000000000000000000000000000000000000;hb=9bb5213371c2a3075adaed95d0e1e6ef5a58e7d6;hpb=85070b3d456667f238051af1a2f1f2a0c12300ab

diff --git a/web/collect/client/DNS/lazy.py b/web/collect/client/DNS/lazy.py
new file mode 100644
index 0000000..4d55fc8
--- /dev/null
+++ b/web/collect/client/DNS/lazy.py
@@ -0,0 +1,82 @@
+# $Id: lazy.py,v 1.5.2.4 2011/03/19 22:15:01 customdesigned Exp $
+#
+# This file is part of the pydns project.
+# Homepage: http://pydns.sourceforge.net
+#
+# This code is covered by the standard Python License. See LICENSE for details.
+#
+
+# routines for lazy people.
+import Base
+import string
+
+from Base import DNSError
+
+def revlookup(name):
+    "convenience routine for doing a reverse lookup of an address"
+    names = revlookupall(name)
+    if not names: return None
+    return names[0]     # return shortest name
+
+def revlookupall(name):
+    "convenience routine for doing a reverse lookup of an address"
+    # FIXME: check for IPv6
+    a = string.split(name, '.')
+    a.reverse()
+    b = string.join(a, '.')+'.in-addr.arpa'
+    names = dnslookup(b, qtype = 'ptr')
+    # this will return all records.
+    names.sort(key=str.__len__)
+    return names
+
+def dnslookup(name,qtype):
+    "convenience routine to return just answer data for any query type"
+    if Base.defaults['server'] == []: Base.DiscoverNameServers()
+    result = Base.DnsRequest(name=name, qtype=qtype).req()
+    if result.header['status'] != 'NOERROR':
+        raise DNSError("DNS query status: %s" % result.header['status'])
+    elif len(result.answers) == 0 and Base.defaults['server_rotate']:
+        # check with next DNS server
+        result = Base.DnsRequest(name=name, qtype=qtype).req()
+    if result.header['status'] != 'NOERROR':
+        raise DNSError("DNS query status: %s" % result.header['status'])
+    return map(lambda x: x['data'],result.answers)
+
+def mxlookup(name):
+    """
+    convenience routine for doing an MX lookup of a name. returns a
+    sorted list of (preference, mail exchanger) records
+    """
+    l = dnslookup(name, qtype = 'mx')
+    l.sort()
+    return l
+
+#
+# $Log: lazy.py,v $
+# Revision 1.5.2.4  2011/03/19 22:15:01  customdesigned
+# Added rotation of name servers - SF Patch ID: 2795929
+#
+# Revision 1.5.2.3  2011/03/16 20:06:24  customdesigned
+# Expand convenience methods.
+#
+# Revision 1.5.2.2  2011/03/08 21:06:42  customdesigned
+# Address sourceforge patch requests 2981978, 2795932 to add revlookupall
+# and raise DNSError instead of IndexError on server fail.
+#
+# Revision 1.5.2.1  2007/05/22 20:23:38  customdesigned
+# Lazy call to DiscoverNameServers
+#
+# Revision 1.5  2002/05/06 06:14:38  anthonybaxter
+# reformat, move import to top of file.
+#
+# Revision 1.4  2002/03/19 12:41:33  anthonybaxter
+# tabnannied and reindented everything. 4 space indent, no tabs.
+# yay.
+#
+# Revision 1.3  2001/08/09 09:08:55  anthonybaxter
+# added identifying header to top of each file
+#
+# Revision 1.2  2001/07/19 06:57:07  anthony
+# cvs keywords added
+#
+#