Rename ipa-python directory to ipapython so it is a real python library

We used to install it as ipa, now installing it as ipapython. The rpm
is still ipa-python.

ipapython/config.py

@@ -0,0 +1,183 @@
+# Authors: Karl MacMillan <kmacmill@redhat.com>
+#
+# Copyright (C) 2007  Red Hat
+# see file 'COPYING' for use and warranty information
+#
+# 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 the Free Software Foundation; version 2 only
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+import ConfigParser
+from optparse import OptionParser, IndentedHelpFormatter
+
+import krbV
+import socket
+import ipapython.dnsclient
+import re
+
+class IPAConfigError(Exception):
+    def __init__(self, msg=''):
+        self.msg = msg
+        Exception.__init__(self, msg)
+
+    def __repr__(self):
+        return self.msg
+
+    __str__ = __repr__
+
+class IPAFormatter(IndentedHelpFormatter):
+    """Our own optparse formatter that indents multiple lined usage string."""
+    def format_usage(self, usage):
+        usage_string = "Usage:"
+        spacing = " " * len(usage_string)
+        lines = usage.split("\n")
+        ret = "%s %s\n" % (usage_string, lines[0])
+        for line in lines[1:]:
+            ret += "%s %s\n" % (spacing, line)
+        return ret
+
+def verify_args(parser, args, needed_args = None):
+    """Verify that we have all positional arguments we need, if not, exit."""
+    if needed_args:
+        needed_list = needed_args.split(" ")
+    else:
+        needed_list = []
+    len_need = len(needed_list)
+    len_have = len(args)
+    if len_have > len_need:
+        parser.error("too many arguments")
+    elif len_have < len_need:
+        parser.error("no %s specified" % needed_list[len_have])
+
+class IPAConfig:
+    def __init__(self):
+        self.default_realm = None
+        self.default_server = []
+        self.default_domain = None
+
+    def get_realm(self):
+        if self.default_realm:
+            return self.default_realm
+        else:
+            raise IPAConfigError("no default realm")
+
+    def get_server(self):
+        if len(self.default_server):
+            return self.default_server
+        else:
+            raise IPAConfigError("no default server")
+
+    def get_domain(self):
+        if self.default_domain:
+            return self.default_domain
+        else:
+            raise IPAConfigError("no default domain")
+
+# Global library config
+config = IPAConfig()
+
+def __parse_config(discover_server = True):
+    p = ConfigParser.SafeConfigParser()
+    p.read("/etc/ipa/ipa.conf")
+
+    try:
+        if not config.default_realm:
+            config.default_realm = p.get("defaults", "realm")
+    except:
+        pass
+    if discover_server:
+        try:
+            s = p.get("defaults", "server")
+            config.default_server.extend(re.sub("\s+", "", s).split(','))
+        except:
+            pass
+    try:
+        if not config.default_domain:
+            config.default_domain = p.get("defaults", "domain")
+    except:
+        pass
+
+def __discover_config(discover_server = True):
+    rl = 0
+    try:
+        if not config.default_realm:
+            krbctx = krbV.default_context()
+            config.default_realm = krbctx.default_realm
+            if not config.default_realm:
+                return False
+
+        if not config.default_domain:
+            #try once with REALM -> domain
+            dom_name = config.default_realm.lower()
+            name = "_ldap._tcp."+dom_name+"."
+            rs = ipapython.dnsclient.query(name, ipapython.dnsclient.DNS_C_IN, ipapython.dnsclient.DNS_T_SRV)
+            rl = len(rs)
+            if rl == 0:
+                #try cycling on domain components of FQDN
+                dom_name = socket.getfqdn()
+            while rl == 0:
+                tok = dom_name.find(".")
+                if tok == -1:
+                     return False
+                dom_name = dom_name[tok+1:]
+                name = "_ldap._tcp." + dom_name + "."
+                rs = ipapython.dnsclient.query(name, ipapython.dnsclient.DNS_C_IN, ipapython.dnsclient.DNS_T_SRV)
+                rl = len(rs)
+
+            config.default_domain = dom_name
+
+        if discover_server:
+            if rl == 0:
+                 name = "_ldap._tcp."+config.default_domain+"."
+                 rs = ipapython.dnsclient.query(name, ipapython.dnsclient.DNS_C_IN, ipapython.dnsclient.DNS_T_SRV)
+
+            for r in rs:
+                if r.dns_type == ipapython.dnsclient.DNS_T_SRV:
+                    rsrv = r.rdata.server.rstrip(".")
+                    config.default_server.append(rsrv)
+
+    except:
+        pass
+
+def add_standard_options(parser):
+    parser.add_option("--realm", dest="realm", help="Override default IPA realm")
+    parser.add_option("--server", dest="server", help="Override default IPA server")
+    parser.add_option("--domain", dest="domain", help="Override default IPA DNS domain")
+
+def init_config(options=None):
+    if options:
+        config.default_realm = options.realm
+        config.default_domain = options.domain
+        if options.server:
+            config.default_server.extend(options.server.split(","))
+
+    if len(config.default_server):
+        discover_server = False
+    else:
+        discover_server = True
+    __parse_config(discover_server)
+    __discover_config(discover_server)
+
+    # make sure the server list only contains unique items
+    new_server = []
+    for server in config.default_server:
+        if server not in new_server:
+            new_server.append(server)
+    config.default_server = new_server
+
+    if not config.default_realm:
+        raise IPAConfigError("IPA realm not found in DNS, in the config file (/etc/ipa/ipa.conf) or on the command line.")
+    if not config.default_server:
+        raise IPAConfigError("IPA server not found in DNS, in the config file (/etc/ipa/ipa.conf) or on the command line.")
+    if not config.default_domain:
+        raise IPAConfigError("IPA domain not found in the config file (/etc/ipa/ipa.conf) or on the command line.")