Add password request for admin user

Set password for admin user using the Directory Mangaer account
and the mozldapldappaswd binary to get and SSL connection
Fix some timeout problems with deploying keytabs
Fix ipa_pwd_extop to actuallt correctly detect an SSL connection
Do not ask for the user to use for the directory unless 'dirsrv' is
 an existing user which may clash, create it silently

ipa-server/ipa-install/ipa-server-install

@@ -31,6 +31,7 @@ sys.path.append("/usr/share/ipa")
 
 import socket
 import logging
+import pwd
 from optparse import OptionParser
 import ipaserver.dsinstance
 import ipaserver.krbinstance
@@ -42,10 +43,12 @@ def parse_options():
                       help="ds user")
     parser.add_option("-r", "--realm", dest="realm_name",
                       help="realm name")
-    parser.add_option("-p", "--ds-password", dest="ds_password",
+    parser.add_option("-p", "--ds-password", dest="dm_password",
                       help="admin password")
     parser.add_option("-P", "--master-password", dest="master_password",
                       help="kerberos master password")
+    parser.add_option("-a", "--admin-password", dest="admin_password",
+                      help="admin user kerberos password")
     parser.add_option("-d", "--debug", dest="debug", action="store_true",
                      dest="debug", default=False, help="print debugging information")
     parser.add_option("--hostname", dest="host_name", help="fully qualified name of server")
@@ -56,7 +59,8 @@ def parse_options():
 
     if options.unattended and (not options.ds_user or
                                not options.realm_name or
-                               not options.ds_password or
+                               not options.dm_password or
+                               not options.admin_password or
                                not options.master_password):
         parser.error("error: In unattended mode you need to provide -u, -r, -p and -P options")
 
@@ -95,7 +99,8 @@ def main():
     realm_name = ""
     host_name = ""
     master_password = ""
-    ds_password = ""
+    dm_password = ""
+    admin_password = ""
 
     # check the hostname is correctly configured, it must be as the kldap
     # utilities just use the hostname as returned by gethostbyname to set
@@ -137,13 +142,25 @@ def main():
     print ""
 
     if not options.ds_user:
-        print "To securely run Directory Server we need a user account to be set up."
-        print "This will allow DS to run as a user and not as root."
-        print "The user account will have access to some security material so it should not be shared with any other application."
-        print "A good user account name could be 'ds' or 'dirsrv', if it does not exist it will be created as part of the installation procedure."
-        print ""
-        ds_user = raw_input("Which account name do you want to use for the DS instance ? ")
-        print ""
+
+        try:
+            pwd.getpwnam('dirsrv')
+
+            print "To securely run Directory Server we need a user account to be set up."
+            print "This will allow DS to run as a user and not as root."
+            print "The user account will have access to some security material so it should not be shared with any other application."
+            print "A user account named 'dirsrv' already exist. You should not share the account with any other service."
+            print ""
+            yesno = raw_input("Do you want to use the existing 'dirsrv' account ? (y/N)")
+            print ""
+            if yesno.lower() == "y":
+                ds_user = "dirsrv"
+            else:
+                ds_user = raw_input("Which account name do you want to use for the DS instance ? ")
+                print ""
+        except KeyError:
+            ds_user = "dirsrv"
+
         if ds_user == "":
              return "-Aborted-"
     else:
@@ -177,14 +194,15 @@ def main():
     else:
         realm_name = options.realm_name
 
-    if not options.ds_password:
+    if not options.dm_password:
         print "The Directory Manager user is the equivalent of 'root' for Diretcory Server."
+        print "This account has full access to the Directory and is used for system management tasks."
         print ""
         #TODO: provide the option of generating a random password
-        ds_password = raw_input("Please provide a password for the Directory Manager: ")
+        dm_password = raw_input("Please provide a password for the Directory Manager: ")
         print ""
     else:
-        ds_password = options.ds_password
+        dm_password = options.dm_password
 
     if not options.master_password:
         print "The Kerberos database is usually encrypted using a master password."
@@ -199,13 +217,23 @@ def main():
     else:
         master_password = options.master_password
 
+    if not options.admin_password:
+        print "The 'admin' user is the administrative user used to administare an IPA server."
+        print "This account is the one that will be used for normal administration and is also a regular unix user"
+        print ""
+        #TODO: provide the option of generating a random password
+        admin_password = raw_input("Please provide a kerberos password for the 'admin' user: ")
+        print ""
+    else:
+        admin_password = options.admin_password
+
     # Create a directory server instance
     ds = ipaserver.dsinstance.DsInstance()
-    ds.create_instance(ds_user, realm_name, host_name, ds_password)
+    ds.create_instance(ds_user, realm_name, host_name, dm_password)
 
     # Create a kerberos instance
     krb = ipaserver.krbinstance.KrbInstance()
-    krb.create_instance(ds_user, realm_name, host_name, ds_password, master_password)
+    krb.create_instance(ds_user, realm_name, host_name, dm_password, master_password)
 
     # Restart ds after the krb instance has changed ds configurations
     ds.restart()
@@ -228,6 +256,9 @@ def main():
     # Start Kpasswd
     run(["/sbin/service", "ipa-kpasswd", "start"])
 
+    # Set the admin user kerberos password
+    ds.change_admin_password(admin_password)
+
     # Create the config file
     fd = open("/etc/ipa/ipa.conf", "w")
     fd.write("[defaults]\n")

ipa-server/ipa-slapi-plugins/ipa-pwd-extop/ipa_pwd_extop.c

@@ -926,7 +926,7 @@ ipapwd_extop( Slapi_PBlock *pb )
 		goto free_and_return;
 	}
 		
-	if ( (is_ssl <=1) && (sasl_ssf <= 1) ) {
+	if ( (is_ssl == 0) && (sasl_ssf <= 1) ) {
 		errMesg = "Operation requires a secure connection.\n";
 		rc = LDAP_CONFIDENTIALITY_REQUIRED;
 		goto free_and_return;

ipa-server/ipaserver/dsinstance.py

@@ -72,16 +72,18 @@ class DsInstance:
     def __init__(self):
         self.serverid = None
         self.realm_name = None
+        self.suffix = None
         self.host_name = None
-        self.admin_password = None
+        self.dm_password = None
         self.sub_dict = None
 
-    def create_instance(self, ds_user, realm_name, host_name, admin_password):
+    def create_instance(self, ds_user, realm_name, host_name, dm_password):
         self.ds_user = ds_user
         self.serverid = generate_serverid()
         self.realm_name = realm_name.upper()
+        self.suffix = realm_to_suffix(self.realm_name)
         self.host_name = host_name
-        self.admin_password = admin_password
+        self.dm_password = dm_password
         self.__setup_sub_dict()
 
         self.__create_ds_user()
@@ -111,10 +113,9 @@ class DsInstance:
         run(["/sbin/service", "dirsrv", "restart"])
 
     def __setup_sub_dict(self):
-        suffix = realm_to_suffix(self.realm_name)
         server_root = find_server_root()
         self.sub_dict = dict(FQHN=self.host_name, SERVERID=self.serverid,
-                             PASSWORD=self.admin_password, SUFFIX=suffix,
+                             PASSWORD=self.dm_password, SUFFIX=self.suffix,
                              REALM=self.realm_name, USER=self.ds_user,
                              SERVER_ROOT=server_root)
 
@@ -155,7 +156,7 @@ class DsInstance:
     def __enable_ssl(self):
         logging.debug("configuring ssl for ds instance")
         dirname = self.config_dirname()
-        args = ["/usr/sbin/ipa-server-setupssl", self.admin_password,
+        args = ["/usr/sbin/ipa-server-setupssl", self.dm_password,
                 dirname, self.host_name]
         run(args)
         logging.debug("done configuring ssl for ds instance")
@@ -165,7 +166,7 @@ class DsInstance:
         inf_fd = write_tmp_file(txt)
         logging.debug("adding default ds layout")
         args = ["/usr/bin/ldapmodify", "-xv", "-D", "cn=Directory Manager",
-                "-w", self.admin_password, "-f", inf_fd.name]
+                "-w", self.dm_password, "-f", inf_fd.name]
         run(args)
         logging.debug("done adding default ds layout")
         
@@ -184,5 +185,15 @@ class DsInstance:
         certmap_fd = open(dirname+"certmap.conf", "w+")
         certmap_fd.write(certmap_conf)
         certmap_fd.close()
-
         logging.debug("done configuring certmap.conf for ds instance")
+
+    def change_admin_password(self, password):
+        logging.debug("Changing admin password")
+        dirname = self.config_dirname()
+        args = ["/usr/lib/mozldap/ldappasswd",
+                "-D", "cn=Directory Manager", "-w", self.dm_password,
+                "-P", dirname+"/cert8.db", "-ZZZ", "-s", password,
+                "uid=admin,cn=sysaccounts,cn=etc,"+self.suffix]
+        run(args)
+        logging.debug("ldappasswd done")
+

ipa-server/ipaserver/krbinstance.py

@@ -109,7 +109,7 @@ class KrbInstance:
 	for x in self.kdc_password:
             hexpwd += (hex(ord(x))[2:])
         pwd_fd = open("/var/kerberos/krb5kdc/ldappwd", "a+")
-        pwd_fd.write("uid=kdc,cn=kerberos,"+self.suffix+"#{HEX}"+hexpwd+"\n")
+        pwd_fd.write("uid=kdc,cn=sysaccounts,cn=etc,"+self.suffix+"#{HEX}"+hexpwd+"\n")
         pwd_fd.close()
 
     def __setup_sub_dict(self):
@@ -147,7 +147,7 @@ class KrbInstance:
         krb5_fd.close()
 
         #populate the directory with the realm structure
-        args = ["/usr/kerberos/sbin/kdb5_ldap_util", "-D", "uid=kdc,cn=kerberos,"+self.suffix, "-w", self.kdc_password, "create", "-s", "-P", self.master_password, "-r", self.realm, "-subtrees", self.suffix, "-sscope", "sub"]
+        args = ["/usr/kerberos/sbin/kdb5_ldap_util", "-D", "uid=kdc,cn=sysaccounts,cn=etc,"+self.suffix, "-w", self.kdc_password, "create", "-s", "-P", self.master_password, "-r", self.realm, "-subtrees", self.suffix, "-sscope", "sub"]
         run(args)
 
     #add the password extop module
@@ -178,6 +178,15 @@ class KrbInstance:
         kread.close()
         kerr.close()
 
+        # give kadmin time to actually write the file before we go on
+	retry = 0
+        while not file_exists("/etc/dirsrv/ds.keytab"):
+            time.sleep(1)
+            retry += 1
+            if retry > 15:
+                print "Error timed out waiting for kadmin to finish operations\n"
+                os.exit()
+
         cfg_fd = open("/etc/sysconfig/dirsrv", "a")
         cfg_fd.write("export KRB5_KTNAME=/etc/dirsrv/ds.keytab\n")
         cfg_fd.close()
@@ -199,6 +208,15 @@ class KrbInstance:
         kread.close()
         kerr.close()
 
+        # give kadmin time to actually write the file before we go on
+	retry = 0
+        while not file_exists("/var/kerberos/krb5kdc/kpasswd.keytab"):
+            time.sleep(1)
+            retry += 1
+            if retry > 15:
+                print "Error timed out waiting for kadmin to finish operations\n"
+                os.exit()
+
         cfg_fd = open("/etc/sysconfig/ipa-kpasswd", "a")
         cfg_fd.write("export KRB5_KTNAME=/var/kerberos/krb5kdc/kpasswd.keytab\n")
         cfg_fd.close()
@@ -215,8 +233,15 @@ class KrbInstance:
         kread.close()
         kerr.close()
 
+        # give kadmin time to actually write the file before we go on
+	retry = 0
         while not file_exists("/etc/httpd/conf/ipa.keytab"):
             time.sleep(1)
+            retry += 1
+            if retry > 15:
+                print "Error timed out waiting for kadmin to finish operations\n"
+                os.exit()
+
         pent = pwd.getpwnam("apache")
         os.chown("/etc/httpd/conf/ipa.keytab", pent.pw_uid, pent.pw_gid)