mDNSMacOSX/mDNSMacOSX.h

   1 /*
   2  * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22
  23     Change History (most recent first):
  24
  25 $Log: mDNSMacOSX.h,v $
  26 Revision 1.21  2003/08/19 22:20:00  cheshire
  27 <rdar://problem/3376721> Don't use IPv6 on interfaces that have a routable IPv4 address configured
  28 More minor refinements
  29
  30 Revision 1.20  2003/08/19 05:39:43  cheshire
  31 <rdar://problem/3380097> SIGINFO dump should include resolves started by DNSServiceQueryRecord
  32
  33 Revision 1.19  2003/08/19 05:36:45  cheshire
  34 Add missing "extern" directives
  35
  36 Revision 1.18  2003/08/19 03:04:43  cheshire
  37 <rdar://problem/3376721> Don't use IPv6 on interfaces that have a routable IPv4 address configured
  38
  39 Revision 1.17  2003/08/12 19:56:25  cheshire
  40 Update to APSL 2.0
  41
  42 Revision 1.16  2003/08/08 18:36:04  cheshire
  43 <rdar://problem/3344154> Only need to revalidate on interface removal on platforms that have the PhantomInterfaces bug
  44
  45 Revision 1.15  2003/08/05 00:32:28  cheshire
  46 <rdar://problem/3326712> Time to turn off MACOSX_MDNS_MALLOC_DEBUGGING
  47
  48 Revision 1.14  2003/07/20 03:38:51  ksekar
  49 Bug #: 3320722
  50 Completed support for Unix-domain socket based API.
  51
  52 Revision 1.13  2003/07/18 00:30:00  cheshire
  53 <rdar://problem/3268878> Remove mDNSResponder version from packet header and use HINFO record instead
  54
  55 Revision 1.12  2003/07/12 03:15:20  cheshire
  56 <rdar://problem/3324848> After SCDynamicStore notification, mDNSResponder updates
  57 m->hostlabel even if user hasn't actually actually changed their dot-local hostname
  58
  59 Revision 1.11  2003/07/02 21:19:51  cheshire
  60 <rdar://problem/3313413> Update copyright notices, etc., in source code comments
  61
  62 Revision 1.10  2003/06/25 23:42:19  ksekar
  63 Bug #: <rdar://problem/3249292>: Feature: New Rendezvous APIs (#7875)
  64 Reviewed by: Stuart Cheshire
  65 Added files necessary to implement Unix domain sockets based enhanced
  66 Rendezvous APIs, and integrated with existing Mach-port based daemon.
  67
  68 Revision 1.9  2003/06/10 01:14:11  cheshire
  69 <rdar://problem/3286004> New APIs require a mDNSPlatformInterfaceIDfromInterfaceIndex() call
  70
  71 Revision 1.8  2003/05/14 07:08:37  cheshire
  72 <rdar://problem/3159272> mDNSResponder should be smarter about reconfigurations
  73 Previously, when there was any network configuration change, mDNSResponder
  74 would tear down the entire list of active interfaces and start again.
  75 That was very disruptive, and caused the entire cache to be flushed,
  76 and caused lots of extra network traffic. Now it only removes interfaces
  77 that have really gone, and only adds new ones that weren't there before.
  78
  79 Revision 1.7  2003/04/26 02:39:24  cheshire
  80 Remove extern void LogMsg(const char *format, ...);
  81
  82 Revision 1.6  2003/03/05 21:59:56  cheshire
  83 Bug #: 3189097 Additional debugging code in mDNSResponder
  84
  85 Revision 1.5  2003/03/05 01:50:38  cheshire
  86 Bug #: 3189097 Additional debugging code in mDNSResponder
  87
  88 Revision 1.4  2003/02/21 01:54:10  cheshire
  89 Bug #: 3099194 mDNSResponder needs performance improvements
  90 Switched to using new "mDNS_Execute" model (see "Implementer Notes.txt")
  91
  92 Revision 1.3  2002/09/21 20:44:51  zarzycki
  93 Added APSL info
  94
  95 Revision 1.2  2002/09/19 04:20:44  cheshire
  96 Remove high-ascii characters that confuse some systems
  97
  98 Revision 1.1  2002/09/17 01:04:09  cheshire
  99 Defines mDNS_PlatformSupport_struct for OS X
 100
 101 */
 102
 103 #ifndef __mDNSOSX_h
 104 #define __mDNSOSX_h
 105
 106 #ifdef  __cplusplus
 107     extern "C" {
 108 #endif
 109
 110 #include <SystemConfiguration/SystemConfiguration.h>
 111 #include <IOKit/pwr_mgt/IOPMLib.h>
 112 #include <sys/socket.h>
 113 #include <netinet/in.h>
 114
 115 typedef struct NetworkInterfaceInfoOSX_struct NetworkInterfaceInfoOSX;
 116 struct NetworkInterfaceInfoOSX_struct
 117         {
 118         NetworkInterfaceInfo     ifinfo;                        // MUST be the first element in this structure
 119         NetworkInterfaceInfoOSX *next;
 120         mDNS                    *m;
 121         mDNSu32                  CurrentlyActive;       // 0 not active; 1 active; 2 active but TxRx state changed
 122         char                    *ifa_name;                      // Memory for this is allocated using malloc
 123         mDNSu32                  scope_id;                      // interface index / IPv6 scope ID
 124         u_short                  sa_family;
 125 #if mDNS_AllowPort53
 126         int                      skt53;
 127         CFSocketRef              cfs53;
 128 #endif
 129         int                      sktv4;
 130         CFSocketRef              cfsv4;
 131         int                      sktv6;
 132         CFSocketRef                  cfsv6;
 133         };
 134
 135 struct mDNS_PlatformSupport_struct
 136     {
 137     NetworkInterfaceInfoOSX *InterfaceList;
 138     domainlabel              userhostlabel;
 139     SCDynamicStoreRef        Store;
 140     CFRunLoopSourceRef       StoreRLS;
 141     io_connect_t             PowerConnection;
 142     io_object_t              PowerNotifier;
 143     CFRunLoopSourceRef       PowerRLS;
 144     };
 145
 146 extern mDNSInterfaceID mDNSPlatformInterfaceIDfromInterfaceIndex(const mDNS *const m, mDNSu32 index);
 147 extern mDNSu32 mDNSPlatformInterfaceIndexfromInterfaceID(const mDNS *const m, mDNSInterfaceID id);
 148 extern mDNSBool mDNSMacOSXSystemBuildNumber(char *HINFO_SWstring);
 149
 150 extern const char mDNSResponderVersionString[];
 151
 152 // Set this symbol to 1 to do extra debug checks on malloc() and free()
 153 // Set this symbol to 2 to write a log message for every malloc() and free()
 154 #define MACOSX_MDNS_MALLOC_DEBUGGING 0
 155
 156 #if MACOSX_MDNS_MALLOC_DEBUGGING >= 1
 157 extern void *mallocL(char *msg, unsigned int size);
 158 extern void freeL(char *msg, void *x);
 159 #else
 160 #define mallocL(X,Y) malloc(Y)
 161 #define freeL(X,Y) free(Y)
 162 #endif
 163
 164 #if MACOSX_MDNS_MALLOC_DEBUGGING >= 2
 165 #define LogMalloc LogMsg
 166 #else
 167 #define LogMalloc(ARGS...) ((void)0)
 168 #endif
 169
 170 #define LogAllOperations 0
 171
 172 #if LogAllOperations
 173 #define LogOperation LogMsg
 174 #else
 175 #define LogOperation(ARGS...) ((void)0)
 176 #endif
 177
 178 #ifdef  __cplusplus
 179     }
 180 #endif
 181
 182 // UDS Server <-> daemon crossover routines/globals
 183 extern mDNS mDNSStorage;
 184 extern int udsserver_init(void);
 185 extern int udsserver_add_rl_source(void);
 186 extern mDNSs32 udsserver_idle(mDNSs32 nextevent);  // takes the next scheduled event time, does idle work,
 187                                                    // and returns the updated nextevent time
 188 extern void udsserver_info(void);
 189 extern void udsserver_handle_configchange(void);
 190 extern int udsserver_exit(void);
 191
 192 #endif