wpa_supplicant/dbus/dbus_old_handlers_wps.c

   1 /*
   2  * WPA Supplicant / dbus-based control interface (WPS)
   3  * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
   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 #include <dbus/dbus.h>
  17
  18 #include "common.h"
  19 #include "../config.h"
  20 #include "../wpa_supplicant_i.h"
  21 #include "../wps_supplicant.h"
  22 #include "dbus_old.h"
  23 #include "dbus_old_handlers.h"
  24
  25 /**
  26  * wpas_dbus_iface_wps_pbc - Request credentials using WPS PBC method
  27  * @message: Pointer to incoming dbus message
  28  * @wpa_s: %wpa_supplicant data structure
  29  * Returns: A dbus message containing a UINT32 indicating success (1) or
  30  *          failure (0)
  31  *
  32  * Handler function for "wpsPbc" method call
  33  */
  34 DBusMessage * wpas_dbus_iface_wps_pbc(DBusMessage *message,
  35                                       struct wpa_supplicant *wpa_s)
  36 {
  37         char *arg_bssid = NULL;
  38         u8 bssid[ETH_ALEN];
  39         int ret = 0;
  40
  41         if (!dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg_bssid,
  42                                    DBUS_TYPE_INVALID))
  43                 return wpas_dbus_new_invalid_opts_error(message, NULL);
  44
  45         if (!os_strcmp(arg_bssid, "any"))
  46                 ret = wpas_wps_start_pbc(wpa_s, NULL);
  47         else if (!hwaddr_aton(arg_bssid, bssid))
  48                 ret = wpas_wps_start_pbc(wpa_s, bssid);
  49         else {
  50                 return wpas_dbus_new_invalid_opts_error(message,
  51                                                         "Invalid BSSID");
  52         }
  53
  54         if (ret < 0) {
  55                 return dbus_message_new_error(message,
  56                                               WPAS_ERROR_WPS_PBC_ERROR,
  57                                               "Could not start PBC "
  58                                               "negotiation");
  59         }
  60
  61         return wpas_dbus_new_success_reply(message);
  62 }
  63
  64
  65 /**
  66  * wpas_dbus_iface_wps_pin - Establish the PIN number of the enrollee
  67  * @message: Pointer to incoming dbus message
  68  * @wpa_s: %wpa_supplicant data structure
  69  * Returns: A dbus message containing a UINT32 indicating success (1) or
  70  *          failure (0)
  71  *
  72  * Handler function for "wpsPin" method call
  73  */
  74 DBusMessage * wpas_dbus_iface_wps_pin(DBusMessage *message,
  75                                       struct wpa_supplicant *wpa_s)
  76 {
  77         DBusMessage *reply = NULL;
  78         char *arg_bssid;
  79         char *pin = NULL;
  80         u8 bssid[ETH_ALEN], *_bssid = NULL;
  81         int ret = 0;
  82
  83         if (!dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg_bssid,
  84                                    DBUS_TYPE_STRING, &pin, DBUS_TYPE_INVALID))
  85                 return wpas_dbus_new_invalid_opts_error(message, NULL);
  86
  87         if (!os_strcmp(arg_bssid, "any"))
  88                 _bssid = NULL;
  89         else if (!hwaddr_aton(arg_bssid, bssid))
  90                 _bssid = bssid;
  91         else {
  92                 return wpas_dbus_new_invalid_opts_error(message,
  93                                                         "Invalid BSSID");
  94         }
  95
  96         if (os_strlen(pin) > 0)
  97                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin);
  98         else
  99                 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL);
 100
 101         if (ret < 0) {
 102                 return dbus_message_new_error(message,
 103                                               WPAS_ERROR_WPS_PIN_ERROR,
 104                                               "Could not init PIN");
 105         }
 106
 107         reply = dbus_message_new_method_return(message);
 108         if (reply == NULL)
 109                 return NULL;
 110
 111         if (ret == 0) {
 112                 dbus_message_append_args(reply, DBUS_TYPE_STRING, &pin,
 113                                          DBUS_TYPE_INVALID);
 114         } else {
 115                 char npin[9];
 116                 os_snprintf(npin, sizeof(npin), "%08d", ret);
 117                 dbus_message_append_args(reply, DBUS_TYPE_STRING, &npin,
 118                                          DBUS_TYPE_INVALID);
 119         }
 120         return reply;
 121 }
 122
 123
 124 /**
 125  * wpas_dbus_iface_wps_reg - Request credentials using the PIN of the AP
 126  * @message: Pointer to incoming dbus message
 127  * @wpa_s: %wpa_supplicant data structure
 128  * Returns: A dbus message containing a UINT32 indicating success (1) or
 129  *          failure (0)
 130  *
 131  * Handler function for "wpsReg" method call
 132  */
 133 DBusMessage * wpas_dbus_iface_wps_reg(DBusMessage *message,
 134                                       struct wpa_supplicant *wpa_s)
 135 {
 136         char *arg_bssid;
 137         char *pin = NULL;
 138         u8 bssid[ETH_ALEN];
 139         int ret = 0;
 140
 141         if (!dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg_bssid,
 142                                    DBUS_TYPE_STRING, &pin, DBUS_TYPE_INVALID))
 143                 return wpas_dbus_new_invalid_opts_error(message, NULL);
 144
 145         if (!os_strcmp(arg_bssid, "any"))
 146                 ret = wpas_wps_start_reg(wpa_s, NULL, pin, NULL);
 147         else if (!hwaddr_aton(arg_bssid, bssid))
 148                 ret = wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
 149         else {
 150                 return wpas_dbus_new_invalid_opts_error(message,
 151                                                         "Invalid BSSID");
 152         }
 153
 154         if (ret < 0) {
 155                 return dbus_message_new_error(message,
 156                                               WPAS_ERROR_WPS_PBC_ERROR,
 157                                               "Could not request credentials");
 158         }
 159
 160         return wpas_dbus_new_success_reply(message);
 161 }