sd: replace embedded mDNSResponder code with proper external tarball

The diff against the 379.37 release is 2500 lines, one of which
actually does anything at runtime (missing va_end()).

Change-Id: I1824e61fd4ac6c3ce28084913a2661134a03fd51
Reviewed-on: https://gerrit.libreoffice.org/20248Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

Makefile.fetch

@@ -165,6 +165,7 @@ $(WORKDIR)/download: $(BUILDDIR)/config_host.mk $(SRCDIR)/download.lst $(SRCDIR)
 		$(call fetch_Optional,LPSOLVE,LPSOLVE_TARBALL) \
 		$(call fetch_Optional,MARIADB,MARIADB_TARBALL) \
 		$(call fetch_Optional,MDDS,MDDS_TARBALL) \
+		$(call fetch_Optional,MDNSRESPONDER,MDNSRESPONDER_TARBALL) \
 		$(call fetch_Optional,MORE_FONTS,FONT_CALADEA_TARBALL) \
 		$(call fetch_Optional,MORE_FONTS,FONT_CARLITO_TARBALL) \
 		$(call fetch_Optional,MORE_FONTS,FONT_DEJAVU_TARBALL) \

RepositoryExternal.mk

@@ -2442,6 +2442,18 @@ gb_LinkTarget__use_coinmp :=
 
 endif # ENABLE_COINMP
 
+ifneq (,$(filter MDNSRESPONDER,$(BUILD_TYPE)))
+
+define gb_LinkTarget__use_mDNSResponder
+$(call gb_LinkTarget_set_include,$(1),\
+	-I$(call gb_UnpackedTarball_get_dir,mDNSResponder)/mDNSShared \
+	$$(INCLUDE) \
+)
+$(call gb_LinkTarget_use_static_libraries,$(1),mDNSResponder)
+endef
+
+endif # MDNSRESPONDER
+
 ifeq ($(ENABLE_GIO),TRUE)
 
 define gb_LinkTarget__use_gio

configure.ac

@@ -11805,7 +11805,10 @@ AC_SUBST(CAIRO_LIBS)
 dnl ===================================================================
 dnl Test whether to use avahi
 dnl ===================================================================
-if test "$_os" != "WINNT" -a "$_os" != "Darwin" -a "$enable_avahi" = "yes"; then
+if test "$_os" = "WINNT"; then
+    # Windows uses bundled mDNSResponder
+    BUILD_TYPE="$BUILD_TYPE MDNSRESPONDER"
+elif test "$_os" != "Darwin" -a "$enable_avahi" = "yes"; then
     PKG_CHECK_MODULES([AVAHI], [avahi-client >= 0.6.10],
                       [ENABLE_AVAHI="TRUE"])
     AC_DEFINE(HAVE_FEATURE_AVAHI)

download.lst

@@ -95,6 +95,8 @@ export LPSOLVE_TARBALL := 26b3e95ddf3d9c077c480ea45874b3b8-lp_solve_5.5.tar.gz
 export MARIADB_TARBALL := a233181e03d3c307668b4c722d881661-mariadb_client-2.0.0-src.tar.gz
 export MDDS_MD5SUM := 74e0a81c5af4137285fe6a52217f71e4
 export MDDS_TARBALL := mdds_1.0.0.tar.bz2
+export MDNSRESPONDER_MD5SUM := dd557e1058b51ac2f29cd01d67be0145
+export MDNSRESPONDER_TARBALL := mDNSResponder-379.37.tar.gz
 export MSPUB_MD5SUM := ff9d0f9dd8fbc523408ea1953d5bde41
 export MSPUB_TARBALL := libmspub-0.1.2.tar.bz2
 export MWAW_MD5SUM := 4a8a53a9d997cf0e2bd208178797dbfb

external/Module_external.mk

@@ -68,6 +68,7 @@ $(eval $(call gb_Module_add_moduledirs,external,\
 	$(call gb_Helper_optional,LPSOLVE,lpsolve) \
 	$(call gb_Helper_optional,MARIADB,libmariadb) \
 	$(call gb_Helper_optional,MDDS,mdds) \
+	$(call gb_Helper_optional,MDNSRESPONDER,mdnsresponder) \
 	$(if $(WITH_EXTRA_EXTENSIONS),misc_extensions) \
 	$(call gb_Helper_optional,MORE_FONTS,more_fonts) \
 	$(call gb_Helper_optional,MSPUB,libmspub) \

external/mdnsresponder/Makefile

+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+
+module_directory:=$(dir $(realpath $(firstword $(MAKEFILE_LIST))))
+
+include $(module_directory)/../../solenv/gbuild/partial_build.mk
+
+# vim: set noet sw=4 ts=4:

external/mdnsresponder/Module_mdnsresponder.mk

+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_Module_Module,mdnsresponder))
+
+$(eval $(call gb_Module_add_targets,mdnsresponder,\
+	UnpackedTarball_mDNSResponder \
+))
+
+$(eval $(call gb_Module_add_targets,mdnsresponder,\
+	StaticLibrary_mDNSResponder \
+))
+
+# vim: set noet sw=4 ts=4:

external/mdnsresponder/README

+Apple's ZeroConf Multicast DNS implementation
+
+https://developer.apple.com/bonjour/
+http://www.opensource.apple.com/tarballs/mDNSResponder/

external/mdnsresponder/StaticLibrary_mDNSResponder.mk

+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_StaticLibrary_StaticLibrary,mDNSResponder))
+
+$(eval $(call gb_StaticLibrary_set_warnings_not_errors,mDNSResponder))
+
+$(eval $(call gb_StaticLibrary_use_unpacked,mDNSResponder,mDNSResponder))
+
+$(eval $(call gb_StaticLibrary_set_include,mDNSResponder,\
+	-I$(call gb_UnpackedTarball_get_dir,mDNSResponder)/mDNSShared \
+	$$(INCLUDE) \
+))
+
+$(eval $(call gb_StaticLibrary_add_defs,mDNSResponder,\
+	-DWIN32_LEAN_AND_MEAN \
+	-D_WINSOCK_DEPRECATED_NO_WARNINGS \
+	-DUSE_TCP_LOOPBACK \
+	-DNOT_HAVE_SA_LEN \
+))
+
+$(eval $(call gb_StaticLibrary_add_generated_cobjects,mDNSResponder,\
+	UnpackedTarball/mDNSResponder/mDNSShared/DebugServices \
+	UnpackedTarball/mDNSResponder/mDNSShared/GenLinkedList \
+	UnpackedTarball/mDNSResponder/mDNSShared/dnssd_clientlib \
+	UnpackedTarball/mDNSResponder/mDNSShared/dnssd_clientstub \
+	UnpackedTarball/mDNSResponder/mDNSShared/dnssd_ipc \
+	UnpackedTarball/mDNSResponder/mDNSWindows/DLL/dllmain \
+))
+
+# vim: set noet sw=4 ts=4:

external/mdnsresponder/UnpackedTarball_mDNSResponder.mk

+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_UnpackedTarball_UnpackedTarball,mDNSResponder))
+
+$(eval $(call gb_UnpackedTarball_set_tarball,mDNSResponder,$(MDNSRESPONDER_TARBALL)))
+
+# vim: set noet sw=4 ts=4:

sd/CppunitTest_sd_uimpress.mk

@@ -79,6 +79,7 @@ $(eval $(call gb_CppunitTest_use_externals,sd_uimpress,\
 	$(if $(ENABLE_AVAHI), \
 	    avahi \
 	) \
+	$(if $(filter WNT,$(OS)),mDNSResponder) \
 	libxml2 \
 ))
 

sd/Library_sd.mk

@@ -529,14 +529,7 @@ $(eval $(call gb_Library_add_exception_objects,sd,\
 	sd/source/ui/remotecontrol/WINNetworkService \
 ))
 
-$(eval $(call gb_Library_add_cobjects,sd,\
-    sd/source/ui/remotecontrol/mDNSResponder/DebugServices \
-    sd/source/ui/remotecontrol/mDNSResponder/dnssd_clientlib \
-    sd/source/ui/remotecontrol/mDNSResponder/dnssd_clientstub \
-	sd/source/ui/remotecontrol/mDNSResponder/dnssd_ipc \
-    sd/source/ui/remotecontrol/mDNSResponder/GenLinkedList \
-    sd/source/ui/remotecontrol/mDNSResponder/dllmain \
-))
+$(eval $(call gb_Library_use_external,sd,mDNSResponder))
 
 endif # OS=WNT
 

sd/source/ui/remotecontrol/WINNetworkService.cxx

 #include <string>
 #include <iostream>
 #include "WINNetworkService.hxx"
-#include "mDNSResponder/dns_sd.h"
 #include <sal/log.hxx>
 
 void sd::WINNetworkService::setup()

sd/source/ui/remotecontrol/WINNetworkService.hxx

@@ -4,7 +4,7 @@
 #include <string>
 #undef WB_LEFT
 #undef WB_RIGHT
-#include "mDNSResponder/dns_sd.h"
+#include <dns_sd.h>
 #include "ZeroconfService.hxx"
 
 namespace sd{

sd/source/ui/remotecontrol/mDNSResponder/GenLinkedList.c

-/* -*- Mode: C; tab-width: 4 -*-
- *
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
-
-    File:        GenLinkedList.c
-
-    Contains:    implementation of generic linked lists.
-
-    Version:    1.0
-    Tabs:        4 spaces
- */
-
-#include "GenLinkedList.h"
-
-
-// Return the link pointer contained within element e at offset o.
-#define     GETLINK( e, o)          ( *(void**)((char*) (e) + (o)) )
-
-// Assign the link pointer l to element e at offset o.
-#define     ASSIGNLINK( e, l, o)    ( *((void**)((char*) (e) + (o))) = (l))
-
-
-//        GenLinkedList
-
-void        InitLinkedList( GenLinkedList *pList, size_t linkOffset)
-/* Initialize the block of memory pointed to by pList as a linked list. */
-{
-    pList->Head = NULL;
-    pList->Tail = NULL;
-    pList->LinkOffset = linkOffset;
-}
-
-
-void        AddToTail( GenLinkedList *pList, void *elem)
-/* Add a linked list element to the tail of the list. */
-{
-    if ( pList->Tail) {
-        ASSIGNLINK( pList->Tail, elem, pList->LinkOffset);
-    } else
-        pList->Head = elem;
-    ASSIGNLINK( elem, NULL, pList->LinkOffset);
-
-    pList->Tail = elem;
-}
-
-
-void        AddToHead( GenLinkedList *pList, void *elem)
-/* Add a linked list element to the head of the list. */
-{
-    ASSIGNLINK( elem, pList->Head, pList->LinkOffset);
-    if ( pList->Tail == NULL)
-        pList->Tail = elem;
-
-    pList->Head = elem;
-}
-
-
-int     RemoveFromList( GenLinkedList *pList, void *elem)
-/* Remove a linked list element from the list. Return 0 if it was not found. */
-/* If the element is removed, its link will be set to NULL. */
-{
-    void    *iElem, *lastElem;
-
-    for ( iElem = pList->Head, lastElem = NULL; iElem; iElem = GETLINK( iElem, pList->LinkOffset)) {
-        if ( iElem == elem) {
-            if ( lastElem) {        // somewhere past the head
-                ASSIGNLINK( lastElem, GETLINK( elem, pList->LinkOffset), pList->LinkOffset);
-            } else {                // at the head
-                pList->Head = GETLINK( elem, pList->LinkOffset);
-            }
-            if ( pList->Tail == elem)
-                pList->Tail = lastElem ? lastElem : NULL;
-            ASSIGNLINK( elem, NULL, pList->LinkOffset);         // maybe catch a stale reference bug.
-            return 1;
-        }
-        lastElem = iElem;
-    }
-
-    return 0;
-}
-
-
-int         ReplaceElem( GenLinkedList *pList, void *elemInList, void *newElem)
-/* Replace an element in the list with a new element, in the same position. */
-{
-    void    *iElem, *lastElem;
-
-    if ( elemInList == NULL || newElem == NULL)
-        return 0;
-
-    for ( iElem = pList->Head, lastElem = NULL; iElem; iElem = GETLINK( iElem, pList->LinkOffset))
-    {
-        if ( iElem == elemInList)
-        {
-            ASSIGNLINK( newElem, GETLINK( elemInList, pList->LinkOffset), pList->LinkOffset);
-            if ( lastElem)      // somewhere past the head
-            {
-                ASSIGNLINK( lastElem, newElem, pList->LinkOffset);
-            }
-            else                // at the head
-            {
-                pList->Head = newElem;
-            }
-            if ( pList->Tail == elemInList)
-                pList->Tail = newElem;
-            return 1;
-        }
-        lastElem = iElem;
-    }
-
-    return 0;
-}
-
-
-//        GenDoubleLinkedList
-
-void        InitDoubleLinkedList( GenDoubleLinkedList *pList, size_t fwdLinkOffset,
-                                  size_t backLinkOffset)
-/* Initialize the block of memory pointed to by pList as a double linked list. */
-{
-    pList->Head = NULL;
-    pList->Tail = NULL;
-    pList->FwdLinkOffset = fwdLinkOffset;
-    pList->BackLinkOffset = backLinkOffset;
-}
-
-
-void            DLLAddToHead( GenDoubleLinkedList *pList, void *elem)
-/* Add a linked list element to the head of the list. */
-{
-    void        *pNext;
-
-    pNext = pList->Head;
-
-    // fix up the forward links
-    ASSIGNLINK( elem, pList->Head, pList->FwdLinkOffset);
-    pList->Head = elem;
-
-    // fix up the backward links
-    if ( pNext) {
-        ASSIGNLINK( pNext, elem, pList->BackLinkOffset);
-    } else
-        pList->Tail = elem;
-    ASSIGNLINK( elem, NULL, pList->BackLinkOffset);
-}
-
-
-void            DLLRemoveFromList( GenDoubleLinkedList *pList, void *elem)
-/* Remove a linked list element from the list. */
-/* When the element is removed, its link will be set to NULL. */
-{
-    void        *pNext, *pPrev;
-
-    pNext = GETLINK( elem, pList->FwdLinkOffset);
-    pPrev = GETLINK( elem, pList->BackLinkOffset);
-
-    // fix up the forward links
-    if ( pPrev)
-        ASSIGNLINK( pPrev, pNext, pList->FwdLinkOffset);
-    else
-        pList->Head = pNext;
-
-    // fix up the backward links
-    if ( pNext)
-        ASSIGNLINK( pNext, pPrev, pList->BackLinkOffset);
-    else
-        pList->Tail = pPrev;
-
-    ASSIGNLINK( elem, NULL, pList->FwdLinkOffset);
-    ASSIGNLINK( elem, NULL, pList->BackLinkOffset);
-}
-
-
-//        GenLinkedOffsetList
-
-// Extract the Next offset from element
-#define     GETOFFSET( e, o)    ( *(size_t*)((char*) (e) + (o)) )
-
-static void     AssignOffsetLink( void *elem, void *link, size_t linkOffset);
-
-
-static void AssignOffsetLink( void *elem, void *link, size_t linkOffset)
-// Assign link to elem as an offset from elem. Assign 0 to elem if link is NULL.
-{
-    GETOFFSET( elem, linkOffset) = link ? (size_t) link - (size_t) elem : 0;
-}
-
-
-void        *GetHeadPtr( GenLinkedOffsetList *pList)
-/* Return a pointer to the head element of a list, or NULL if none. */
-{
-    return pList->Head ? ( (char*) (pList) + pList->Head) : NULL;
-}
-
-
-void        *GetTailPtr( GenLinkedOffsetList *pList)
-/* Return a pointer to the tail element of a list, or NULL if none. */
-{
-    return pList->Tail ? ( (char*) (pList) + pList->Tail) : NULL;
-}
-
-
-void        *GetOffsetLink( GenLinkedOffsetList *pList, void *elem)
-/* Return the link pointer contained within element e for pList, or NULL if it is 0. */
-{
-    size_t nextOffset;
-
-    nextOffset = GETOFFSET( elem, pList->LinkOffset);
-
-    return nextOffset ? (char*) elem + nextOffset : NULL;
-}
-
-
-void        InitLinkedOffsetList( GenLinkedOffsetList *pList, size_t linkOffset)
-/* Initialize the block of memory pointed to by pList as a linked list. */
-{
-    pList->Head = 0;
-    pList->Tail = 0;
-    pList->LinkOffset = linkOffset;
-}
-
-
-void        OffsetAddToTail( GenLinkedOffsetList *pList, void *elem)
-/* Add a linked list element to the tail of the list. */
-{
-    if ( pList->Tail) {
-        AssignOffsetLink( GetTailPtr( pList), elem, pList->LinkOffset);
-    } else
-        pList->Head = (size_t) elem - (size_t) pList;
-    AssignOffsetLink( elem, NULL, pList->LinkOffset);
-
-    pList->Tail = (size_t) elem - (size_t) pList;
-}
-
-
-void        OffsetAddToHead( GenLinkedOffsetList *pList, void *elem)
-/* Add a linked list element to the head of the list. */
-{
-    AssignOffsetLink( elem, GetHeadPtr( pList), pList->LinkOffset);
-    if ( pList->Tail == 0)
-        pList->Tail = (size_t) elem - (size_t) pList;
-
-    pList->Head = (size_t) elem - (size_t) pList;
-}
-
-
-int     OffsetRemoveFromList( GenLinkedOffsetList *pList, void *elem)
-/* Remove a linked list element from the list. Return 0 if it was not found. */
-/* If the element is removed, its link will be set to NULL. */
-{
-    void    *iElem, *lastElem;
-
-    for ( iElem = GetHeadPtr( pList), lastElem = NULL; iElem;
-          iElem = GetOffsetLink( pList, iElem))
-    {
-        if ( iElem == elem) {
-            if ( lastElem) {        // somewhere past the head
-                AssignOffsetLink( lastElem, GetOffsetLink( pList, elem), pList->LinkOffset);
-            } else {                // at the head
-                iElem = GetOffsetLink( pList, elem);
-                pList->Head = iElem ? (size_t) iElem - (size_t) pList : 0;
-            }
-            if ( GetTailPtr( pList) == elem)
-                pList->Tail = lastElem ? (size_t) lastElem - (size_t) pList : 0;
-            AssignOffsetLink( elem, NULL, pList->LinkOffset);   // maybe catch a stale reference bug.
-            return 1;
-        }
-        lastElem = iElem;
-    }
-
-    return 0;
-}
-
-
-int         OffsetReplaceElem( GenLinkedOffsetList *pList, void *elemInList, void *newElem)
-/* Replace an element in the list with a new element, in the same position. */
-{
-    void    *iElem, *lastElem;
-
-    if ( elemInList == NULL || newElem == NULL)
-        return 0;
-
-    for ( iElem = GetHeadPtr( pList), lastElem = NULL; iElem;
-          iElem = GetOffsetLink( pList, iElem))
-    {
-        if ( iElem == elemInList)
-        {
-            AssignOffsetLink( newElem, GetOffsetLink( pList, elemInList), pList->LinkOffset);
-            if ( lastElem)      // somewhere past the head
-            {
-                AssignOffsetLink( lastElem, newElem, pList->LinkOffset);
-            }
-            else                // at the head
-            {
-                pList->Head = (size_t) newElem - (size_t) pList;
-            }
-            if ( GetTailPtr( pList) == elemInList)
-                pList->Tail = (size_t) newElem - (size_t) pList;
-            return 1;
-        }
-        lastElem = iElem;
-    }
-
-    return 0;
-}
-
-

sd/source/ui/remotecontrol/mDNSResponder/GenLinkedList.h

-/* -*- Mode: C; tab-width: 4 -*-
- *
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef __GenLinkedList__
-#define __GenLinkedList__
-
-
-#include <stddef.h>
-
-
-struct  GenLinkedList
-{
-    void        *Head,
-    *Tail;
-    size_t LinkOffset;
-};
-typedef struct GenLinkedList GenLinkedList;
-
-
-void        InitLinkedList( GenLinkedList *pList, size_t linkOffset);
-
-void        AddToHead( GenLinkedList *pList, void *elem);
-void        AddToTail( GenLinkedList *pList, void *elem);
-
-int     RemoveFromList( GenLinkedList *pList, void *elem);
-
-int     ReplaceElem( GenLinkedList *pList, void *elemInList, void *newElem);
-
-
-
-struct  GenDoubleLinkedList
-{
-    void        *Head,
-    *Tail;
-    size_t FwdLinkOffset,
-           BackLinkOffset;
-};
-typedef struct GenDoubleLinkedList GenDoubleLinkedList;
-
-
-void        InitDoubleLinkedList( GenDoubleLinkedList *pList, size_t fwdLinkOffset,
-                                  size_t backLinkOffset);
-
-void        DLLAddToHead( GenDoubleLinkedList *pList, void *elem);
-
-void        DLLRemoveFromList( GenDoubleLinkedList *pList, void *elem);
-
-
-
-/* A GenLinkedOffsetList is like a GenLinkedList that stores the *Next field as a signed */
-/* offset from the address of the beginning of the element, rather than as a pointer. */
-
-struct  GenLinkedOffsetList
-{
-    size_t Head,
-           Tail;
-    size_t LinkOffset;
-};
-typedef struct GenLinkedOffsetList GenLinkedOffsetList;
-
-
-void        InitLinkedOffsetList( GenLinkedOffsetList *pList, size_t linkOffset);
-
-void        *GetHeadPtr( GenLinkedOffsetList *pList);
-void        *GetTailPtr( GenLinkedOffsetList *pList);
-void        *GetOffsetLink( GenLinkedOffsetList *pList, void *elem);
-
-void        OffsetAddToHead( GenLinkedOffsetList *pList, void *elem);
-void        OffsetAddToTail( GenLinkedOffsetList *pList, void *elem);
-
-int     OffsetRemoveFromList( GenLinkedOffsetList *pList, void *elem);
-
-int     OffsetReplaceElem( GenLinkedOffsetList *pList, void *elemInList, void *newElem);
-
-
-#endif //    __GenLinkedList__

sd/source/ui/remotecontrol/mDNSResponder/dllmain.c

-/* -*- Mode: C; tab-width: 4 -*-
- *
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// #include <windows.h>
-#include <DebugServices.h>
-#include <stdlib.h>
-
-BOOL APIENTRY    DllMain( HANDLE inModule, DWORD inReason, LPVOID inReserved )
-{
-    (void) inModule;
-    (void) inReserved;
-
-    switch( inReason )
-    {
-        case DLL_PROCESS_ATTACH:
-        case DLL_THREAD_ATTACH:
-        case DLL_THREAD_DETACH:
-        case DLL_PROCESS_DETACH:
-            break;
-    }
-    return TRUE;
-}
-
-
-BOOL
-IsSystemServiceDisabled()
-{
-    ENUM_SERVICE_STATUS    *    lpService = NULL;
-    SC_HANDLE                    sc;
-    BOOL                            ret = FALSE;
-    BOOL                            ok;
-    DWORD                            bytesNeeded = 0;
-    DWORD                            srvCount;
-    DWORD                            resumeHandle = 0;
-    DWORD                            srvType;
-    DWORD                            srvState;
-    DWORD                            dwBytes = 0;
-    DWORD                            i;
-    OSStatus                        err;
-
-    sc = OpenSCManager( NULL, NULL, SC_MANAGER_ENUMERATE_SERVICE );
-    err = translate_errno( sc, GetLastError(), kUnknownErr );
-    require_noerr( err, exit );
-
-    srvType        =    SERVICE_WIN32;
-    srvState        =    SERVICE_STATE_ALL;
-
-    for ( ;; )
-    {
-        // Call EnumServicesStatus using the handle returned by OpenSCManager
-
-        ok = EnumServicesStatus ( sc, srvType, srvState, lpService, dwBytes, &bytesNeeded, &srvCount, &resumeHandle );
-
-        if ( ok || ( GetLastError() != ERROR_MORE_DATA ) )
-        {
-            break;
-        }
-
-        if ( lpService )
-        {
-            free( lpService );
-        }
-
-        dwBytes = bytesNeeded;
-
-        lpService = ( ENUM_SERVICE_STATUS* ) malloc( dwBytes );
-        require_action( lpService, exit, ret = FALSE );
-    }
-
-    err = translate_errno( ok, GetLastError(), kUnknownErr );
-    require_noerr( err, exit );
-
-    for ( i = 0; i < srvCount; i++ )
-    {
-        if ( strcmp( lpService[i].lpServiceName, "Bonjour Service" ) == 0 )
-        {
-            if ( ( lpService[i].ServiceStatus.dwCurrentState == SERVICE_PAUSED ) || ( lpService[i].ServiceStatus.dwCurrentState == SERVICE_STOPPED ) )
-            {
-                ret = TRUE;
-            }
-
-            break;
-        }
-    }
-
-exit:
-
-    if ( lpService )
-    {
-        free( lpService );
-    }
-
-    if ( sc )
-    {
-        CloseServiceHandle ( sc );
-    }
-
-    return ret;
-}

sd/source/ui/remotecontrol/mDNSResponder/dnssd_ipc.c

-/* -*- Mode: C; tab-width: 4 -*-
- *
- * Copyright (c) 2003-2004, Apple Computer, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1.  Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of its
- *     contributors may be used to endorse or promote products derived from this
- *     software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "dnssd_ipc.h"
-
-#if defined(_WIN32)
-
-char *win32_strerror(int inErrorCode)
-{
-    static char buffer[1024];
-    DWORD n;
-    memset(buffer, 0, sizeof(buffer));
-    n = FormatMessageA(
-        FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
-        NULL,
-        (DWORD) inErrorCode,
-        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-        buffer,
-        sizeof(buffer),
-        NULL);
-    if (n > 0)
-    {
-        // Remove any trailing CR's or LF's since some messages have them.
-        while ((n > 0) && isspace(((unsigned char *) buffer)[n - 1]))
-            buffer[--n] = '\0';
-    }
-    return buffer;
-}
-
-#endif
-
-void put_uint32(const uint32_t l, char **ptr)
-{
-    (*ptr)[0] = (char)((l >> 24) &  0xFF);
-    (*ptr)[1] = (char)((l >> 16) &  0xFF);
-    (*ptr)[2] = (char)((l >>  8) &  0xFF);
-    (*ptr)[3] = (char)((l      ) &  0xFF);
-    *ptr += sizeof(uint32_t);
-}
-
-uint32_t get_uint32(const char **ptr, const char *end)
-{
-    if (!*ptr || *ptr + sizeof(uint32_t) > end)
-    {
-        *ptr = NULL;
-        return 0;
-    }
-    else
-    {
-        uint8_t *p = (uint8_t*) *ptr;
-        *ptr += sizeof(uint32_t);
-        return((uint32_t) ((uint32_t)p[0] << 24 | (uint32_t)p[1] << 16 | (uint32_t)p[2] << 8 | p[3]));
-    }
-}
-
-void put_uint16(uint16_t s, char **ptr)
-{
-    (*ptr)[0] = (char)((s >>  8) &  0xFF);
-    (*ptr)[1] = (char)((s      ) &  0xFF);
-    *ptr += sizeof(uint16_t);
-}
-
-uint16_t get_uint16(const char **ptr, const char *end)
-{
-    if (!*ptr || *ptr + sizeof(uint16_t) > end)
-    {
-        *ptr = NULL;
-        return 0;
-    }
-    else
-    {
-        uint8_t *p = (uint8_t*) *ptr;
-        *ptr += sizeof(uint16_t);
-        return((uint16_t) ((uint16_t)p[0] << 8 | p[1]));
-    }
-}
-
-int put_string(const char *str, char **ptr)
-{
-    if (!str) str = "";
-    strcpy(*ptr, str);
-    *ptr += strlen(str) + 1;
-    return 0;
-}
-
-int get_string(const char **ptr, const char *const end, char *buffer, int buflen)
-{
-    if (!*ptr)
-    {
-        *buffer = 0;
-        return(-1);
-    }
-    else
-    {
-        char *lim = buffer + buflen;    // Calculate limit
-        while (*ptr < end && buffer < lim)
-        {
-            char c = *buffer++ = *(*ptr)++;
-            if (c == 0) return 0;      // Success
-        }
-        if (buffer == lim) buffer--;
-        *buffer = 0;                    // Failed, so terminate string,
-        *ptr = NULL;                    // clear pointer,
-        return(-1);                     // and return failure indication
-    }
-}
-
-void put_rdata(const int rdlen, const unsigned char *rdata, char **ptr)
-{
-    memcpy(*ptr, rdata, rdlen);
-    *ptr += rdlen;
-}
-
-const char *get_rdata(const char **ptr, const char *end, int rdlen)
-{
-    if (!*ptr || *ptr + rdlen > end)
-    {
-        *ptr = NULL;
-        return 0;
-    }
-    else
-    {
-        const char *rd = *ptr;
-        *ptr += rdlen;
-        return rd;
-    }
-}
-
-void ConvertHeaderBytes(ipc_msg_hdr *hdr)
-{
-    hdr->version   = htonl(hdr->version);
-    hdr->datalen   = htonl(hdr->datalen);
-    hdr->ipc_flags = htonl(hdr->ipc_flags);
-    hdr->op        = htonl(hdr->op );
-    hdr->reg_index = htonl(hdr->reg_index);
-}

sd/source/ui/remotecontrol/mDNSResponder/dnssd_ipc.h

-/* -*- Mode: C; tab-width: 4 -*-
- *
- * Copyright (c) 2003-2004, Apple Computer, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1.  Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of its
- *     contributors may be used to endorse or promote products derived from this
- *     software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef INCLUDED_SD_SOURCE_UI_REMOTECONTROL_MDNSRESPONDER_DNSSD_IPC_H
-#define INCLUDED_SD_SOURCE_UI_REMOTECONTROL_MDNSRESPONDER_DNSSD_IPC_H
-
-
-
-// Common cross platform services
-
-#if defined(WIN32)
-#   include <winsock2.h>
-#endif
-
-#include "dns_sd.h"
-
-#if defined(WIN32)
-#   define dnssd_InvalidSocket  INVALID_SOCKET
-#   define dnssd_SocketValid(s) ((s) != INVALID_SOCKET)
-#   define dnssd_EWOULDBLOCK    WSAEWOULDBLOCK
-#   define dnssd_EINTR          WSAEINTR
-#   define dnssd_ECONNRESET     WSAECONNRESET
-#   define dnssd_sock_t         SOCKET
-#   define dnssd_socklen_t      int
-#   define dnssd_close(sock)    closesocket(sock)
-#   define dnssd_errno          WSAGetLastError()
-#   define dnssd_strerror(X)    win32_strerror(X)
-#   define ssize_t              int
-#   define getpid               _getpid
-#   define unlink               _unlink
-extern char *win32_strerror(int inErrorCode);
-#else
-#   include <sys/types.h>
-#   include <unistd.h>
-#   include <sys/un.h>
-#   include <string.h>
-#   include <stdio.h>
-#   include <stdlib.h>
-#   include <sys/stat.h>
-#   include <sys/socket.h>
-#   include <netinet/in.h>
-#   include <arpa/inet.h>
-#   define dnssd_InvalidSocket  -1
-#   define dnssd_SocketValid(s) ((s) >= 0)
-#   define dnssd_EWOULDBLOCK    EWOULDBLOCK
-#   define dnssd_EINTR          EINTR
-#   define dnssd_ECONNRESET     ECONNRESET
-#   define dnssd_EPIPE          EPIPE
-#   define dnssd_sock_t         int
-#   define dnssd_socklen_t      unsigned int
-#   define dnssd_close(sock)    close(sock)
-#   define dnssd_errno          errno
-#   define dnssd_strerror(X)    strerror(X)
-#endif
-
-#if defined(USE_TCP_LOOPBACK)
-#   define AF_DNSSD             AF_INET
-#   define MDNS_TCP_SERVERADDR  "127.0.0.1"
-#   define MDNS_TCP_SERVERPORT  5354
-#   define LISTENQ              5
-#   define dnssd_sockaddr_t     struct sockaddr_in
-#else
-#   define AF_DNSSD             AF_LOCAL
-#   ifndef MDNS_UDS_SERVERPATH
-#       define MDNS_UDS_SERVERPATH  "/var/run/mDNSResponder"
-#   endif
-#   define LISTENQ              100
-// longest legal control path length
-#   define MAX_CTLPATH          256
-#   define dnssd_sockaddr_t     struct sockaddr_un
-#endif
-
-// Compatibility workaround
-#ifndef AF_LOCAL
-#define AF_LOCAL    AF_UNIX
-#endif
-
-// General UDS constants
-#define TXT_RECORD_INDEX ((uint32_t)(-1))   // record index for default text record
-
-// IPC data encoding constants and types
-#define VERSION 1
-#define IPC_FLAGS_NOREPLY 1 // set flag if no asynchronous replies are to be sent to client
-
-// Structure packing macro. If we're not using GNUC, it's not fatal. Most compilers naturally pack the on-the-wire
-// structures correctly anyway, so a plain "struct" is usually fine. In the event that structures are not packed
-// correctly, our compile-time assertion checks will catch it and prevent inadvertent generation of non-working code.
-#ifndef packedstruct
- #if ((__GNUC__ > 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ >= 9)))
-  #define packedstruct struct __attribute__((__packed__))
-  #define packedunion  union  __attribute__((__packed__))
- #else
-  #define packedstruct struct
-  #define packedunion  union
- #endif
-#endif
-
-typedef enum
-{
-    request_op_none = 0,    // No request yet received on this connection
-    connection_request = 1, // connected socket via DNSServiceConnect()
-    reg_record_request,     // reg/remove record only valid for connected sockets
-    remove_record_request,
-    enumeration_request,
-    reg_service_request,
-    browse_request,
-    resolve_request,
-    query_request,
-    reconfirm_record_request,
-    add_record_request,
-    update_record_request,
-    setdomain_request,      // Up to here is in Tiger and B4W 1.0.3
-    getproperty_request,    // New in B4W 1.0.4
-    port_mapping_request,   // New in Leopard and B4W 2.0
-    addrinfo_request,
-    send_bpf,               // New in SL
-    release_request,
-
-    cancel_request = 63
-} request_op_t;
-
-typedef enum
-{
-    enumeration_reply_op = 64,
-    reg_service_reply_op,
-    browse_reply_op,
-    resolve_reply_op,
-    query_reply_op,
-    reg_record_reply_op,    // Up to here is in Tiger and B4W 1.0.3
-    getproperty_reply_op,   // New in B4W 1.0.4
-    port_mapping_reply_op,  // New in Leopard and B4W 2.0
-    addrinfo_reply_op
-} reply_op_t;
-
-#if defined(_WIN64)
-#   pragma pack(push,4)
-#endif
-
-// Define context object big enough to hold a 64-bit pointer,
-// to accommodate 64-bit clients communicating with 32-bit daemon.
-// There's no reason for the daemon to ever be a 64-bit process, but its clients might be
-typedef packedunion
-{
-    void *context;
-    uint32_t u32[2];
-} client_context_t;
-
-typedef packedstruct
-{
-    uint32_t version;
-    uint32_t datalen;
-    uint32_t ipc_flags;
-    uint32_t op;        // request_op_t or reply_op_t
-    client_context_t client_context; // context passed from client, returned by server in corresponding reply
-    uint32_t reg_index;            // identifier for a record registered via DNSServiceRegisterRecord() on a
-    // socket connected by DNSServiceCreateConnection().  Must be unique in the scope of the connection, such that and
-    // index/socket pair uniquely identifies a record.  (Used to select records for removal by DNSServiceRemoveRecord())
-} ipc_msg_hdr;
-
-#if defined(_WIN64)
-#   pragma pack(pop)
-#endif
-
-// routines to write to and extract data from message buffers.
-// caller responsible for bounds checking.
-// ptr is the address of the pointer to the start of the field.
-// it is advanced to point to the next field, or the end of the message
-
-void put_uint32(const uint32_t l, char **ptr);
-uint32_t get_uint32(const char **ptr, const char *end);
-
-void put_uint16(uint16_t s, char **ptr);
-uint16_t get_uint16(const char **ptr, const char *end);
-
-#define put_flags put_uint32
-#define get_flags get_uint32
-
-#define get_error_code get_uint32
-
-int put_string(const char *str, char **ptr);
-int get_string(const char **ptr, const char *const end, char *buffer, int buflen);
-
-void put_rdata(const int rdlen, const unsigned char *rdata, char **ptr);
-const char *get_rdata(const char **ptr, const char *end, int rdlen);  // return value is rdata pointed to by *ptr -
-// rdata is not copied from buffer.
-
-void ConvertHeaderBytes(ipc_msg_hdr *hdr);
-
-struct CompileTimeAssertionChecks_dnssd_ipc
-{
-    // Check that the compiler generated our on-the-wire packet format structure definitions
-    // properly packed, without adding padding bytes to align fields on 32-bit or 64-bit boundaries.
-    char assert0[(sizeof(client_context_t) ==  8) ? 1 : -1];
-    char assert1[(sizeof(ipc_msg_hdr)      == 28) ? 1 : -1];
-};
-
-#endif // INCLUDED_SD_SOURCE_UI_REMOTECONTROL_MDNSRESPONDER_DNSSD_IPC_H