7388 Support DHCP Client FQDN. Allow IAID/DUID for all v4.

*** 20,29 ****
--- 20,30 ----
   */
  
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright (c) 2016, Chris Fraire <cfraire@me.com>.
   */
  
  #include <assert.h>
  #include <ctype.h>
  #include <libgen.h>
*** 37,46 ****
--- 38,48 ----
  #include <stdio.h>
  #include <stdlib.h>
  #include <strings.h>
  #include <unistd.h>
  #include <libdladm.h>
+ #include <libipadm.h>
  
  #include "libnwam_impl.h"
  #include <libnwam_priv.h>
  #include <libnwam.h>
  
*** 71,80 ****
--- 73,83 ----
  static nwam_error_t valid_link_autopush(nwam_value_t);
  static nwam_error_t valid_link_mtu(nwam_value_t);
  static nwam_error_t valid_ip_version(nwam_value_t);
  static nwam_error_t valid_addrsrc_v4(nwam_value_t);
  static nwam_error_t valid_addrsrc_v6(nwam_value_t);
+ static nwam_error_t valid_reqhost(nwam_value_t);
  
  struct nwam_prop_table_entry ncu_prop_table_entries[] = {
          {NWAM_NCU_PROP_TYPE, NWAM_VALUE_TYPE_UINT64, B_FALSE, 1, 1, valid_type,
              "specifies the NCU type - valid values are \'datalink\' and \'ip\'",
              NWAM_FLAG_NCU_TYPE_ALL, NWAM_FLAG_NCU_CLASS_ALL},
*** 147,157 ****
              "specifies static IPv6 host address(es)",
              NWAM_FLAG_NCU_TYPE_INTERFACE, NWAM_FLAG_NCU_CLASS_ALL_INTERFACE},
          {NWAM_NCU_PROP_IPV6_DEFAULT_ROUTE, NWAM_VALUE_TYPE_STRING, B_FALSE, 0,
              1, nwam_valid_route_v6,
              "specifies per-interface default IPv6 route",
!             NWAM_FLAG_NCU_TYPE_INTERFACE, NWAM_FLAG_NCU_CLASS_ALL_INTERFACE}
  };
  
  #define NWAM_NUM_NCU_PROPS      (sizeof (ncu_prop_table_entries) / \
                                  sizeof (*ncu_prop_table_entries))
  
--- 150,169 ----
              "specifies static IPv6 host address(es)",
              NWAM_FLAG_NCU_TYPE_INTERFACE, NWAM_FLAG_NCU_CLASS_ALL_INTERFACE},
          {NWAM_NCU_PROP_IPV6_DEFAULT_ROUTE, NWAM_VALUE_TYPE_STRING, B_FALSE, 0,
              1, nwam_valid_route_v6,
              "specifies per-interface default IPv6 route",
!             NWAM_FLAG_NCU_TYPE_INTERFACE, NWAM_FLAG_NCU_CLASS_ALL_INTERFACE},
!         {NWAM_NCU_PROP_IP_PRIMARY, NWAM_VALUE_TYPE_BOOLEAN, B_FALSE, 0,
!             1, nwam_valid_boolean,
!             "specifies the status of an interface as primary for the delivery"
!             " of client-wide configuration data",
!             NWAM_FLAG_NCU_TYPE_INTERFACE, NWAM_FLAG_NCU_CLASS_ALL_INTERFACE},
!         {NWAM_NCU_PROP_IP_REQHOST, NWAM_VALUE_TYPE_STRING, B_FALSE, 0,
!             1, valid_reqhost,
!             "specifies a requested hostname for the interface",
!             NWAM_FLAG_NCU_TYPE_INTERFACE, NWAM_FLAG_NCU_CLASS_ALL_INTERFACE},
  };
  
  #define NWAM_NUM_NCU_PROPS      (sizeof (ncu_prop_table_entries) / \
                                  sizeof (*ncu_prop_table_entries))
  
*** 1646,1655 ****
--- 1658,1678 ----
                  return (NWAM_SUCCESS);
          else
                  return (NWAM_ENTITY_INVALID_VALUE);
  }
  
+ static nwam_error_t
+ valid_reqhost(nwam_value_t value)
+ {
+         char *hostname;
+ 
+         if (nwam_value_get_string(value, &hostname) != NWAM_SUCCESS)
+                 return (NWAM_ENTITY_INVALID_VALUE);
+         return (ipadm_is_valid_hostname(hostname) ? NWAM_SUCCESS
+             : NWAM_ENTITY_INVALID_VALUE);
+ }
+ 
  /* ARGSUSED0 */
  static nwam_error_t
  valid_link_mtu(nwam_value_t value)
  {
          return (NWAM_SUCCESS);