From df518646884aa8a9649855ceb47aaadedabf0ded Mon Sep 17 00:00:00 2001
From: Narayan Desai <desai@mcs.anl.gov>
Date: Wed, 11 Aug 2004 20:40:57 +0000
Subject: Rename: generators/sshbase.py -> src/lib/Server/Generators/sshbase.py

(Logical change 1.37)


git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@214 ce84e21b-d406-0410-9b95-82705330c041
---
 src/lib/Server/Generators/sshbase.py | 85 ++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)

(limited to 'src/lib')

diff --git a/src/lib/Server/Generators/sshbase.py b/src/lib/Server/Generators/sshbase.py
index e69de29bb..cef9cb672 100644
--- a/src/lib/Server/Generators/sshbase.py
+++ b/src/lib/Server/Generators/sshbase.py
@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+
+from binascii import b2a_base64
+from glob import glob
+from os import rename, stat, system
+from socket import gethostbyname
+from string import strip
+from syslog import syslog, LOG_INFO
+
+from Types import ConfigFile
+from Generator import Generator
+from GeneratorUtils import DirectoryBacked
+
+from elementtree.ElementTree import Element
+
+class sshbase(Generator):
+    __name__ = 'sshbase'
+    __version__ = '$Id$'
+    __author__ = 'bcfg-dev@mcs.anl.gov'
+
+    def __setup__(self):
+        self.repository = DirectoryBacked(self.data, self.core.fam)
+        self.__provides__ = {'ConfigFile':{'/etc/ssh/ssh_known_hosts':self.build_skn, 
+                                           '/etc/ssh/ssh_host_dsa_key':self.build_hk,
+                                           '/etc/ssh/ssh_host_rsa_key':self.build_hk,
+                                           '/etc/ssh/ssh_host_dsa_key.pub':self.build_hk,
+                                           '/etc/ssh/ssh_host_rsa_key.pub':self.build_hk,
+                                           '/etc/ssh/ssh_host_key':self.build_hk,
+                                           '/etc/ssh/ssh_host_key.pub':self.build_hk}}
+
+    def build_skn(self,entry,metadata):
+        client = metadata.hostname
+        filedata = self.repository.entries['ssh_known_hosts'].data
+        ip=gethostbyname(client)
+        keylist = map(lambda x:x%(client), ["ssh_host_dsa_key.pub.H_%s","ssh_host_rsa_key.pub.H_%s","ssh_host_key.pub.H_%s"])
+        for hostkey in keylist:
+            filedata += "%s,%s,%s %s"%(client,"%s.mcs.anl.gov"%(client),ip,self.repository.entries[hostkey].data)
+        entry.attrib.update({'owner':'root', 'group':'root', 'perms':'0644'})
+        entry.text = filedata
+
+    def build_hk(self,entry,metadata):
+        client = metadata.hostname
+        filename = "%s.H_%s"%(entry.attrib['name'].split('/')[-1],client)
+        if filename not in self.repository.entries.keys():
+            self.GenerateHostKeys(client)
+            self.GenerateKnownHosts()
+        keydata = self.repository.entries[filename].data
+        entry.attrib.update({'owner':'root', 'group':'root', 'perms':'0600'})
+        entry.text = keydata
+        if "ssh_host_key.H_" in filename:
+            entry.attrib['encoding'] = 'base64'
+            entry.text = b2a_base64(keydata)
+
+    def GenerateKnownHosts(self):
+        output = ''
+        for f in self.repository.entries.keys():
+            if ".pub.H_" in f:
+                h = f.split('_')[-1]
+                output += "%s,%s.mcs.anl.gov,%s %s"%(h, h, gethostbyname(h), self.repository.entries[f].data)
+        self.repository.entries['ssh_known_hosts'].data = output
+
+    def GenerateHostKeys(self,client):
+        keylist = map(lambda x:x%client, ["ssh_host_dsa_key.H_%s","ssh_host_rsa_key.H_%s","ssh_host_key.H_%s"])
+        for hostkey in keylist:
+            if 'ssh_host_rsa_key.H_' in hostkey:
+                keytype = 'rsa'
+            elif 'ssh_host_dsa_key.H_' in hostkey:
+                keytype = 'dsa'
+            else:
+                keytype = 'rsa1'
+
+            if hostkey not in self.repository.entries.keys():
+                system('ssh-keygen -f %s/%s -N "" -t %s -C root@%s'%(self.data,hostkey,keytype,client))
+                rename("%s/%s.pub"%(self.data,hostkey),"%s/"%(self.data)+".".join(hostkey.split('.')[:-1]+['pub']+hostkey.split('.')[-1]))
+        # call the notifier for global
+
+    def GetProbes(self, metadata):
+        p = Element("probe", name='hostname', interpreter='/bin/sh', source='sshbase')
+        p.text = 'hostname'
+        return [p]
+
+    def AcceptProbeData(self, client, probedata):
+        p = strip(probedata.text)
+        #syslog(LOG_INFO, "Got hostname %s for client %s"%(p, client))
+        
-- 
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