dlls/wlanapi/main.c

   1 /*
   2  * Copyright 2010 Ričardas Barkauskas
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 /* How does this DLL work?
  20  * This DLL is used to probe and configure wireless access points using the
  21  * available wireless interfaces. Most functions are tied to a handle that is
  22  * first obtained by calling WlanOpenHandle. Usually it is followed by a call
  23  * to WlanEnumInterfaces and then for each interface a WlanScan call is made.
  24  * WlanScan starts a parallel access point discovery that delivers the ready
  25  * response through the callback registered by WlanRegisterNotification. After
  26  * that the program calls WlanGetAvailableNetworkList or WlanGetNetworkBssList.
  27  */
  28
  29 #include <stdarg.h>
  30
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "wine/debug.h"
  34
  35 #include "wlanapi.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(wlanapi);
  38
  39 #define WLAN_MAGIC 0x574c414e /* WLAN */
  40
  41 static struct wine_wlan
  42 {
  43     DWORD magic, cli_version;
  44 } handle_table[16];
  45
  46 static struct wine_wlan* handle_index(HANDLE handle)
  47 {
  48     ULONG_PTR i = (ULONG_PTR)handle - 1;
  49
  50     if (i < ARRAY_SIZE(handle_table) && handle_table[i].magic == WLAN_MAGIC)
  51         return &handle_table[i];
  52
  53     return NULL;
  54 }
  55
  56 static HANDLE handle_new(struct wine_wlan **entry)
  57 {
  58     ULONG_PTR i;
  59
  60     for (i = 0; i < ARRAY_SIZE(handle_table); i++)
  61     {
  62         if (handle_table[i].magic == 0)
  63         {
  64             *entry = &handle_table[i];
  65             return (HANDLE)(i + 1);
  66         }
  67     }
  68
  69     return NULL;
  70 }
  71
  72 DWORD WINAPI WlanEnumInterfaces(HANDLE handle, void *reserved, WLAN_INTERFACE_INFO_LIST **interface_list)
  73 {
  74     struct wine_wlan *wlan;
  75     WLAN_INTERFACE_INFO_LIST *ret_list;
  76
  77     FIXME("(%p, %p, %p) semi-stub\n", handle, reserved, interface_list);
  78
  79     if (!handle || reserved || !interface_list)
  80         return ERROR_INVALID_PARAMETER;
  81
  82     wlan = handle_index(handle);
  83     if (!wlan)
  84         return ERROR_INVALID_HANDLE;
  85
  86     ret_list = WlanAllocateMemory(sizeof(WLAN_INTERFACE_INFO_LIST));
  87     if (!ret_list)
  88         return ERROR_NOT_ENOUGH_MEMORY;
  89
  90     memset(&ret_list->InterfaceInfo[0], 0, sizeof(WLAN_INTERFACE_INFO));
  91     ret_list->dwNumberOfItems = 0;
  92     ret_list->dwIndex = 0; /* unused in this function */
  93     *interface_list = ret_list;
  94
  95     return ERROR_SUCCESS;
  96 }
  97
  98 DWORD WINAPI WlanCloseHandle(HANDLE handle, void *reserved)
  99 {
 100     struct wine_wlan *wlan;
 101
 102     TRACE("(%p, %p)\n", handle, reserved);
 103
 104     if (!handle || reserved)
 105         return ERROR_INVALID_PARAMETER;
 106
 107     wlan = handle_index(handle);
 108     if (!wlan)
 109         return ERROR_INVALID_HANDLE;
 110
 111     wlan->magic = 0;
 112     return ERROR_SUCCESS;
 113 }
 114
 115 DWORD WINAPI WlanOpenHandle(DWORD client_version, void *reserved, DWORD *negotiated_version, HANDLE *handle)
 116 {
 117     struct wine_wlan *wlan;
 118     HANDLE ret_handle;
 119
 120     TRACE("(%u, %p, %p, %p)\n", client_version, reserved, negotiated_version, handle);
 121
 122     if (reserved || !negotiated_version || !handle)
 123         return ERROR_INVALID_PARAMETER;
 124
 125     if (client_version != 1 && client_version != 2)
 126         return ERROR_NOT_SUPPORTED;
 127
 128     ret_handle = handle_new(&wlan);
 129     if (!ret_handle)
 130         return ERROR_REMOTE_SESSION_LIMIT_EXCEEDED;
 131
 132     wlan->magic = WLAN_MAGIC;
 133     wlan->cli_version = *negotiated_version = client_version;
 134     *handle = ret_handle;
 135
 136     return ERROR_SUCCESS;
 137 }
 138
 139 DWORD WINAPI WlanScan(HANDLE handle, const GUID *guid, const DOT11_SSID *ssid,
 140                       const WLAN_RAW_DATA *raw, void *reserved)
 141 {
 142     FIXME("(%p, %s, %p, %p, %p) stub\n",
 143           handle, wine_dbgstr_guid(guid), ssid, raw, reserved);
 144
 145     return ERROR_CALL_NOT_IMPLEMENTED;
 146 }
 147
 148 DWORD WINAPI WlanRegisterNotification(HANDLE handle, DWORD notify_source, BOOL ignore_dup,
 149                                       WLAN_NOTIFICATION_CALLBACK callback, void *context,
 150                                       void *reserved, DWORD *notify_prev)
 151 {
 152     FIXME("(%p, %d, %d, %p, %p, %p, %p) stub\n",
 153           handle, notify_source, ignore_dup, callback, context, reserved, notify_prev);
 154
 155     return ERROR_CALL_NOT_IMPLEMENTED;
 156 }
 157
 158 DWORD WINAPI WlanGetAvailableNetworkList(HANDLE handle, const GUID *guid, DWORD flags,
 159                                          void *reserved, WLAN_AVAILABLE_NETWORK_LIST **network_list)
 160 {
 161     FIXME("(%p, %s, 0x%x, %p, %p) stub\n",
 162           handle, wine_dbgstr_guid(guid), flags, reserved, network_list);
 163
 164     return ERROR_CALL_NOT_IMPLEMENTED;
 165 }
 166
 167 DWORD WINAPI WlanQueryInterface(HANDLE handle, const GUID *guid, WLAN_INTF_OPCODE opcode,
 168                     void *reserved, DWORD *data_size, void **data, WLAN_OPCODE_VALUE_TYPE *opcode_type)
 169 {
 170     FIXME("(%p, %s, 0x%x, %p, %p, %p, %p) stub\n",
 171           handle, wine_dbgstr_guid(guid), opcode, reserved, data_size, data, opcode_type);
 172
 173     return ERROR_CALL_NOT_IMPLEMENTED;
 174 }
 175 void WINAPI WlanFreeMemory(void *ptr)
 176 {
 177     TRACE("(%p)\n", ptr);
 178
 179     HeapFree(GetProcessHeap(), 0, ptr);
 180 }
 181
 182 void *WINAPI WlanAllocateMemory(DWORD size)
 183 {
 184     void *ret;
 185
 186     TRACE("(%d)\n", size);
 187
 188     if (!size)
 189     {
 190         SetLastError(ERROR_INVALID_PARAMETER);
 191         return NULL;
 192     }
 193
 194     ret = HeapAlloc(GetProcessHeap(), 0, size);
 195     if (!ret)
 196         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 197
 198     return ret;
 199 }