www.project-moonshot.org Git - mech_eap.orig/blob - src/wps/wps_upnp_ap.c

   1 /*
   2  * Wi-Fi Protected Setup - UPnP AP functionality
   3  * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "includes.h"
  16
  17 #include "common.h"
  18 #include "eloop.h"
  19 #include "uuid.h"
  20 #include "wps_i.h"
  21 #include "wps_upnp.h"
  22 #include "wps_upnp_i.h"
  23
  24
  25 static void upnp_er_set_selected_timeout(void *eloop_ctx, void *timeout_ctx)
  26 {
  27         struct subscription *s = eloop_ctx;
  28         wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar from ER timed out");
  29         s->selected_registrar = 0;
  30         wps_registrar_selected_registrar_changed(s->reg);
  31 }
  32
  33
  34 int upnp_er_set_selected_registrar(struct wps_registrar *reg,
  35                                    struct subscription *s,
  36                                    const struct wpabuf *msg)
  37 {
  38         struct wps_parse_attr attr;
  39
  40         wpa_hexdump_buf(MSG_MSGDUMP, "WPS: SetSelectedRegistrar attributes",
  41                         msg);
  42         if (wps_validate_upnp_set_selected_registrar(msg) < 0)
  43                 return -1;
  44
  45         if (wps_parse_msg(msg, &attr) < 0)
  46                 return -1;
  47
  48         s->reg = reg;
  49         eloop_cancel_timeout(upnp_er_set_selected_timeout, s, NULL);
  50
  51         os_memset(s->authorized_macs, 0, sizeof(s->authorized_macs));
  52         if (attr.selected_registrar == NULL || *attr.selected_registrar == 0) {
  53                 wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar: Disable "
  54                            "Selected Registrar");
  55                 s->selected_registrar = 0;
  56         } else {
  57                 s->selected_registrar = 1;
  58                 s->dev_password_id = attr.dev_password_id ?
  59                         WPA_GET_BE16(attr.dev_password_id) : DEV_PW_DEFAULT;
  60                 s->config_methods = attr.sel_reg_config_methods ?
  61                         WPA_GET_BE16(attr.sel_reg_config_methods) : -1;
  62                 if (attr.authorized_macs) {
  63                         int count = attr.authorized_macs_len / ETH_ALEN;
  64                         if (count > WPS_MAX_AUTHORIZED_MACS)
  65                                 count = WPS_MAX_AUTHORIZED_MACS;
  66                         os_memcpy(s->authorized_macs, attr.authorized_macs,
  67                                   count * ETH_ALEN);
  68                 } else if (!attr.version2) {
  69 #ifdef CONFIG_WPS2
  70                         wpa_printf(MSG_DEBUG, "WPS: Add broadcast "
  71                                    "AuthorizedMACs for WPS 1.0 ER");
  72                         os_memset(s->authorized_macs, 0xff, ETH_ALEN);
  73 #endif /* CONFIG_WPS2 */
  74                 }
  75                 eloop_register_timeout(WPS_PBC_WALK_TIME, 0,
  76                                        upnp_er_set_selected_timeout, s, NULL);
  77         }
  78
  79         wps_registrar_selected_registrar_changed(reg);
  80
  81         return 0;
  82 }
  83
  84
  85 void upnp_er_remove_notification(struct subscription *s)
  86 {
  87         s->selected_registrar = 0;
  88         eloop_cancel_timeout(upnp_er_set_selected_timeout, s, NULL);
  89         if (s->reg)
  90                 wps_registrar_selected_registrar_changed(s->reg);
  91 }