Add hostnames from the host purpose field to the ssh_known_hosts file (by tomv_w)

[mirror/userdir-ldap.git] / ud-generate

diff --git a/ud-generate b/ud-generate
index 5f2a482..2ad4791 100755 (executable)
--- a/ud-generate
+++ b/ud-generate
@@ -10,6 +10,7 @@
 #   Copyright (c) 2008 Andreas Barth <aba@not.so.argh.org>
 #   Copyright (c) 2008 Mark Hymers <mhy@debian.org>
 #   Copyright (c) 2008 Luk Claes <luk@debian.org>
+#   Copyright (c) 2008 Thomas Viehmann <tv@beamnet.de>
 #
 #   This program is free software; you can redistribute it and/or modify
 #   it under the terms of the GNU General Public License as published by
@@ -41,6 +42,7 @@ UUID_FORMAT = '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'
 
 EmailCheck = re.compile("^([^ <>@]+@[^ ,<>@]+)?$");
 BSMTPCheck = re.compile(".*mx 0 (gluck)\.debian\.org\..*",re.DOTALL);
+PurposeHostField = re.compile(r"\[\[([\*\-]?[a-z0-9.\-]*)(?:\|.*)?\]\]")
 DNSZone = ".debian.net"
 Keyrings = ConfModule.sync_keyrings.split(":")
 
@@ -905,8 +907,31 @@ def GenSSHKnown(l,File,mode=None):
          continue;
       Host = GetAttr(x,"hostname");
       HostNames = [ Host ]
-      SHost = Host.find(".")
-      if SHost != None: HostNames += [Host[0:SHost]]
+      if Host.endswith(HostDomain):
+         HostNames.append(Host[:-(len(HostDomain)+1)])
+
+      #<weasel> [[]] makes http links
+      #<weasel> but integrating it somehow into the purpose line might be a good idea
+      #<weasel> maybe [[*fooobar]] things would be a link but not added to the ssh key list,
+      #         and [[-..]] or something would be just an ssh entry but no link
+      # in the purpose field [[host|some other text]] (where some other text is optional)
+      # makes a hyperlink on the web thing. we now also add these hosts to the ssh known_hosts
+      # file.  But so that we don't have to add everything we link we can add an asterisk
+      # and say [[*... to ignore it.  In order to be able to add stuff to ssh without
+      # http linking it we also support [[-hostname]] entries.
+      for i in x[1].get("purpose",[]):
+         m = PurposeHostField.match(i)
+         if m:
+            m = m.group(1)
+            # we ignore [[*..]] entries
+            if m.startswith('*'):
+               continue;
+            if m.startswith('-'):
+               m = m[1:]
+            if m:
+               HostNames.append(m)
+               if m.endswith(HostDomain):
+                  HostNames.append(m[:-(len(HostDomain)+1)])
 
       for I in x[1]["sshRSAHostKey"]:
          if mode and mode == 'authorized_keys':
@@ -989,7 +1014,7 @@ PasswdAttrs = l.search_s(BaseDn,ldap.SCOPE_ONELEVEL,"uid=*",\
                  "mailWhitelist", "sudoPassword"]);
 # Fetch all the hosts
 HostAttrs    = l.search_s(HostBaseDn,ldap.SCOPE_ONELEVEL,"sshRSAHostKey=*",\
-                ["hostname","sshRSAHostKey"]);
+                ["hostname","sshRSAHostKey","purpose"]);
 
 # Open the control file
 if len(sys.argv) == 1: