mDNSWindows/ControlPanel/ConfigPropertySheet.cpp

   1 /* -*- Mode: C; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2002-2004 Apple Computer, Inc. All rights reserved.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #include "ConfigPropertySheet.h"
  19 #include <WinServices.h>
  20 extern "C"
  21 {
  22 #include <ClientCommon.h>
  23 }
  24 #include <process.h>
  25
  26 // Custom events
  27
  28 #define WM_DATAREADY            ( WM_USER + 0x100 )
  29
  30
  31 IMPLEMENT_DYNCREATE(CConfigPropertySheet, CPropertySheet)
  32
  33
  34 //---------------------------------------------------------------------------------------------------------------------------
  35 //      CConfigPropertySheet::CConfigPropertySheet
  36 //---------------------------------------------------------------------------------------------------------------------------
  37
  38 CConfigPropertySheet::CConfigPropertySheet()
  39 :
  40         CPropertySheet(),
  41         m_browseDomainsRef( NULL ),
  42         m_thread( NULL ),
  43         m_threadExited( NULL )
  44 {
  45         AddPage(&m_firstPage );
  46         AddPage(&m_secondPage);
  47         AddPage(&m_thirdPage);
  48
  49         InitializeCriticalSection( &m_lock );
  50 }
  51
  52
  53 //---------------------------------------------------------------------------------------------------------------------------
  54 //      CConfigPropertySheet::~CConfigPropertySheet
  55 //---------------------------------------------------------------------------------------------------------------------------
  56
  57 CConfigPropertySheet::~CConfigPropertySheet()
  58 {
  59         DeleteCriticalSection( &m_lock );
  60 }
  61
  62
  63 BEGIN_MESSAGE_MAP(CConfigPropertySheet, CPropertySheet)
  64         //{{AFX_MSG_MAP(CConfigPropertySheet)
  65         //}}AFX_MSG_MAP
  66         ON_MESSAGE( WM_DATAREADY, OnDataReady )
  67 END_MESSAGE_MAP()
  68
  69
  70 //---------------------------------------------------------------------------------------------------------------------------
  71 //      CConfigPropertySheet::OnInitDialog
  72 //---------------------------------------------------------------------------------------------------------------------------
  73
  74 BOOL
  75 CConfigPropertySheet::OnInitDialog()
  76 {
  77         OSStatus err;
  78
  79         BOOL b = CPropertySheet::OnInitDialog();
  80
  81         err = SetupBrowsing();
  82         require_noerr( err, exit );
  83
  84 exit:
  85
  86         return b;
  87 }
  88
  89
  90 //---------------------------------------------------------------------------------------------------------------------------
  91 //      CConfigPropertySheet::OnCommand
  92 //---------------------------------------------------------------------------------------------------------------------------
  93
  94 BOOL
  95 CConfigPropertySheet::OnCommand(WPARAM wParam, LPARAM lParam)
  96 {
  97    // Check if OK or Cancel was hit
  98
  99    if ( ( wParam == ID_WIZFINISH ) || ( wParam == IDOK ) || ( wParam == IDCANCEL ) )
 100    {
 101       OnEndDialog();
 102    }
 103
 104    return CPropertySheet::OnCommand(wParam, lParam);
 105 }
 106
 107
 108 //---------------------------------------------------------------------------------------------------------------------------
 109 //      CConfigPropertySheet::OnDataReady
 110 //---------------------------------------------------------------------------------------------------------------------------
 111
 112 LRESULT
 113 CConfigPropertySheet::OnDataReady(WPARAM inWParam, LPARAM inLParam)
 114 {
 115         if (WSAGETSELECTERROR(inLParam) && !(HIWORD(inLParam)))
 116         {
 117                 dlog( kDebugLevelError, "OnSocket: window error\n" );
 118         }
 119         else
 120         {
 121                 SOCKET sock = (SOCKET) inWParam;
 122
 123                 if ( m_browseDomainsRef && DNSServiceRefSockFD( m_browseDomainsRef ) == (int) sock )
 124                 {
 125                         DNSServiceProcessResult( m_browseDomainsRef );
 126                 }
 127         }
 128
 129         return 0;
 130 }
 131
 132
 133 //---------------------------------------------------------------------------------------------------------------------------
 134 //      CConfigPropertySheet::OnEndDialog
 135 //---------------------------------------------------------------------------------------------------------------------------
 136
 137 void
 138 CConfigPropertySheet::OnEndDialog()
 139 {
 140         OSStatus err;
 141
 142         err = TearDownBrowsing();
 143         check_noerr( err );
 144 }
 145
 146
 147 //---------------------------------------------------------------------------------------------------------------------------
 148 //      CConfigPropertySheet::SetupBrowsing
 149 //---------------------------------------------------------------------------------------------------------------------------
 150
 151 OSStatus
 152 CConfigPropertySheet::SetupBrowsing()
 153 {
 154         OSStatus err;
 155
 156         // Start browsing for browse domains
 157
 158         err = DNSServiceEnumerateDomains( &m_browseDomainsRef, kDNSServiceFlagsBrowseDomains, 0, BrowseDomainsReply, this );
 159         require_noerr( err, exit );
 160
 161         err = WSAAsyncSelect( DNSServiceRefSockFD( m_browseDomainsRef ), m_hWnd, WM_DATAREADY, FD_READ|FD_CLOSE );
 162         require_noerr( err, exit );
 163
 164 exit:
 165
 166         if ( err )
 167         {
 168                 TearDownBrowsing();
 169         }
 170
 171         return err;
 172 }
 173
 174
 175 //---------------------------------------------------------------------------------------------------------------------------
 176 //      CConfigPropertySheet::TearDownBrowsing
 177 //---------------------------------------------------------------------------------------------------------------------------
 178
 179 OSStatus
 180 CConfigPropertySheet::TearDownBrowsing()
 181 {
 182         OSStatus err = kNoErr;
 183
 184         if ( m_browseDomainsRef )
 185         {
 186                 err = WSAAsyncSelect( DNSServiceRefSockFD( m_browseDomainsRef ), m_hWnd, 0, 0 );
 187                 check_noerr( err );
 188
 189                 DNSServiceRefDeallocate( m_browseDomainsRef );
 190
 191                 m_browseDomainsRef = NULL;
 192         }
 193
 194         return err;
 195 }
 196
 197
 198 //---------------------------------------------------------------------------------------------------------------------------
 199 //      CConfigPropertySheet::DecodeDomainName
 200 //---------------------------------------------------------------------------------------------------------------------------
 201
 202 OSStatus
 203 CConfigPropertySheet::DecodeDomainName( const char * raw, CString & decoded )
 204 {
 205         char nextLabel[128] = "\0";
 206         char decodedDomainString[kDNSServiceMaxDomainName];
 207     char * buffer = (char *) raw;
 208     int labels = 0, i;
 209     char text[64];
 210         const char *label[128];
 211         OSStatus        err;
 212
 213         // Initialize
 214
 215         decodedDomainString[0] = '\0';
 216
 217     // Count the labels
 218
 219         while ( *buffer )
 220         {
 221                 label[labels++] = buffer;
 222                 buffer = (char *) GetNextLabel(buffer, text);
 223     }
 224
 225     buffer = (char*) raw;
 226
 227     for (i = 0; i < labels; i++)
 228         {
 229                 buffer = (char *)GetNextLabel(buffer, nextLabel);
 230         strcat_s(decodedDomainString, sizeof(decodedDomainString), nextLabel);
 231         strcat_s(decodedDomainString, sizeof(decodedDomainString), ".");
 232     }
 233
 234     // Remove trailing dot from domain name.
 235
 236         decodedDomainString[ strlen( decodedDomainString ) - 1 ] = '\0';
 237
 238         // Convert to Unicode
 239
 240         err = UTF8StringToStringObject( decodedDomainString, decoded );
 241
 242         return err;
 243 }
 244
 245
 246 //---------------------------------------------------------------------------------------------------------------------------
 247 //      CConfigPropertySheet::BrowseDomainsReply
 248 //---------------------------------------------------------------------------------------------------------------------------
 249
 250 void DNSSD_API
 251 CConfigPropertySheet::BrowseDomainsReply
 252                                                         (
 253                                                         DNSServiceRef                   sdRef,
 254                                                         DNSServiceFlags                 flags,
 255                                                         uint32_t                                interfaceIndex,
 256                                                         DNSServiceErrorType             errorCode,
 257                                                         const char                      *       replyDomain,
 258                                                         void                            *       context
 259                                                         )
 260 {
 261         CConfigPropertySheet    *       self = reinterpret_cast<CConfigPropertySheet*>(context);
 262         CString                                         decoded;
 263         OSStatus                                        err;
 264
 265         DEBUG_UNUSED( sdRef );
 266         DEBUG_UNUSED( interfaceIndex );
 267
 268         if ( errorCode )
 269         {
 270                 goto exit;
 271         }
 272
 273         check( replyDomain );
 274
 275         // Ignore local domains
 276
 277         if ( strcmp( replyDomain, "local." ) == 0 )
 278         {
 279                 goto exit;
 280         }
 281
 282         err = self->DecodeDomainName( replyDomain, decoded );
 283         require_noerr( err, exit );
 284
 285         // Remove trailing '.'
 286
 287         decoded.TrimRight( '.' );
 288
 289         if ( flags & kDNSServiceFlagsAdd )
 290         {
 291                 self->m_browseDomains.push_back( decoded );
 292         }
 293         else
 294         {
 295                 self->m_browseDomains.remove( decoded );
 296         }
 297
 298 exit:
 299
 300         return;
 301 }