Rely more on kerberos.

Don't read ipa.conf to get the realm, the kerberos libs do that for you.
Use the krbPrincipalName to change passwords
Make it possible to specify the principal at user creation.
Mail is not a required attribute so far, don't require it.

ipa-admintools/ipa-adduser

@@ -28,6 +28,7 @@ import ipa.config
 
 import xmlrpclib
 import kerberos
+import krbV
 import ldap
 import getpass
 
@@ -51,8 +52,10 @@ def parse_options():
                       help="Set user's login shell to shell")
     parser.add_option("-G", "--groups", dest="groups",
                       help="Add account to one or more groups (comma-separated)")
+    parser.add_option("-k", "--krb-principal", dest="principal",
+                      help="Set user's Kerberos Principal Name")
     parser.add_option("-M", "--mailAddress", dest="mail",
-                      help="Set uesr's e-mail address")
+                      help="Set user's e-mail address")
     parser.add_option("--usage", action="store_true",
                       help="Program usage")
 
@@ -66,8 +69,9 @@ def main():
     givenname = ""
     lastname = ""
     username = ""
+    principal = ""
     password = ""
-    mail = ""
+    mail = "" 
     gecos = ""
     directory = ""
     shell = ""
@@ -100,7 +104,7 @@ def main():
     cont = False
     if not options.sn:
         while (cont != True):
-            lastname = raw_input(" Last name: ")
+            lastname = raw_input("Last name: ")
             if (ipavalidate.plain(lastname, notEmpty=True)):
                 print "Field is required and must be letters or '"
             else:
@@ -140,18 +144,10 @@ def main():
     else:
         password = options.sn
 
-    cont = False
-    if not options.mail:
-        while (cont != True):
-            mail = raw_input("E-mail addr: ")
-            if (ipavalidate.email(mail)):
-                print "Field is required and must include a user and domain name"
-            else:
-                cont = True
-    else:
+    if options.mail:
         mail = options.mail
         if (ipavalidate.email(mail)):
-            print "E-mail is required and must include a user and domain name"
+            print "The email provided seem not a valid email."
             return 1
 
     # Ask the questions we don't normally force. We don't require answers
@@ -168,8 +164,10 @@ def main():
         cont = False
         if not options.directory:
             while (cont != True):
-                directory = raw_input("home directory []: ")
-                if (ipavalidate.path(gecos, notEmpty=False)):
+                directory = raw_input("home directory [/home/"+username+"]: ")
+                if directory == "":
+                     directory = "/home/"+username
+                if (ipavalidate.path(directory, notEmpty=False)):
                     print "Must be letters, numbers, spaces or '"
                 else:
                     cont = True
@@ -180,29 +178,26 @@ def main():
               
                 if len(shell) < 1:
                     shell = None
-                    cont = True
-        cont = False
-        if not options.groups:
-            while (cont != True):
-                g = raw_input("Add to group [blank to exit]: ")
-              
-                if len(g) < 1:
-                    cont = True
-                else:
-                    if (ipavalidate.path(g, notEmpty=False)):
-                        print "Must be letters, numbers, spaces or '"
-                    else:
-                        groups = groups + "," + g
+                cont = True
+
     else:
         gecos = options.gecos
         directory = options.directory
         shell = options.shell
         groups = options.groups
 
+    if options.principal:
+        principal = options.principal
+    else:
+        ctx = krbV.default_context()
+        principal = username + "@" + ctx.default_realm
+
     user.setValue('givenname', givenname)
     user.setValue('sn', lastname)
     user.setValue('uid', username)
-    user.setValue('mail', mail)
+    user.setValue('krbprincipalname', principal)
+    if mail:
+        user.setValue('mail', mail)
     if gecos:
         user.setValue('gecos', gecos)
     if directory:
@@ -231,7 +226,7 @@ def main():
     # Set the User's password
     if password is not None:
         try:
-            client.modifyPassword(username, None, password)
+            client.modifyPassword(principal, None, password)
         except ipa.ipaerror.IPAError, e:
             print "User added but setting the password failed."
             print "%s" % (e.message)

ipa-admintools/ipa-passwd

@@ -44,12 +44,12 @@ def parse_options():
 
     return options, args
 
-def get_principal():
+def get_principal(krbctx):
     try:
-        ctx = krbV.default_context()
-        ccache = ctx.default_ccache()
+        ccache = krbctx.default_ccache()
         cprinc = ccache.principal()
     except krbV.Krb5Error, e:
+        #TODO: do a kinit
         print "Unable to get kerberos principal: %s" % e[1]
         return None
         
@@ -57,39 +57,47 @@ def get_principal():
 
 def main():
     match = False
+    username = None
+    principal = None
 
+    krbctx = krbV.default_context()
     options, args = parse_options()
 
     if len(args) == 2:
         username = args[1]
     else:
-        username = get_principal()
-        if username is None:
+        principal = get_principal(krbctx)
+        if principal is None:
             return 1
 
-    u = username.split('@')
-    if len(u) > 1:
-        username = u[0]
+    if not principal:
+        u = username.split('@')
+        if len(u) > 2 or len(u) == 0:
+            print "Invalid user name (%s)" % username
+        if len(u) == 1:
+            principal = username+"@"+krbctx.default_realm
+        else:
+            principal = username
 
-    print "Changing password for %s" % username
+    print "Changing password for %s" % principal
 
     while (match != True):
         # No syntax checking of the password is required because that is done
         # on the server side
         password = getpass.getpass("  New Password: ")
-        confirm = getpass.getpass("  New Password (again): ")
+        confirm = getpass.getpass("  Confirm Password: ")
         if (password != confirm):
             print "Passwords do not match"
             match = False
+        elif (len(password) < 1):
+            print "Password cannot be empty"
+            match = False
         else:
             match = True
-            if (len(password) < 1):
-                print "Password cannot be empty"
-                match = False
 
     try:
         client = ipaclient.IPAClient()
-        client.modifyPassword(username, None, password)
+        client.modifyPassword(principal, None, password)
     except ipa.ipaerror.IPAError, e:
         print "%s" % (e.message)
         return 1