Don't build mdnssd

This was enabled for Linux only, but Linux users should use Avahi,
which is present on most modern distributions, and implements mDNS
functionality.

Change-Id: Ibb9d16c9fbd5c2571b98e1450276459d18eb65df
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@nokia.com>

qtcreator.qbp

@@ -73,7 +73,6 @@ Project {
         "src/plugins/valgrind/valgrind.qbs",
         "src/plugins/vcsbase/vcsbase.qbs",
         "src/plugins/welcome/welcome.qbs",
-        "src/tools/mdnssd/mdnssd.qbs",
         "src/tools/qtcdebugger/qtcdebugger.qbs",
         "src/tools/qtpromaker/qtpromaker.qbs"
     ]

src/tools/mdnssd/DNSCommon.h

-/* -*- Mode: C; tab-width: 4 -*-
- *
- * Copyright (c) 2002-2003 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 __DNSCOMMON_H_
-#define __DNSCOMMON_H_
-
-#include "mDNSEmbeddedAPI.h"
-
-#ifdef	__cplusplus
-	extern "C" {
-#endif
-
-//*************************************************************************************************************
-// Macros
-
-// Note: The C preprocessor stringify operator ('#') makes a string from its argument, without macro expansion
-// e.g. If "version" is #define'd to be "4", then STRINGIFY_AWE(version) will return the string "version", not "4"
-// To expand "version" to its value before making the string, use STRINGIFY(version) instead
-#define STRINGIFY_ARGUMENT_WITHOUT_EXPANSION(s) #s
-#define STRINGIFY(s) STRINGIFY_ARGUMENT_WITHOUT_EXPANSION(s)
-
-// ***************************************************************************
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark - DNS Protocol Constants
-#endif
-
-typedef enum
-	{
-	kDNSFlag0_QR_Mask     = 0x80,		// Query or response?
-	kDNSFlag0_QR_Query    = 0x00,
-	kDNSFlag0_QR_Response = 0x80,
-
-	kDNSFlag0_OP_Mask     = 0x78,		// Operation type
-	kDNSFlag0_OP_StdQuery = 0x00,
-	kDNSFlag0_OP_Iquery   = 0x08,
-	kDNSFlag0_OP_Status   = 0x10,
-	kDNSFlag0_OP_Unused3  = 0x18,
-	kDNSFlag0_OP_Notify   = 0x20,
-	kDNSFlag0_OP_Update   = 0x28,
-
-	kDNSFlag0_QROP_Mask   = kDNSFlag0_QR_Mask | kDNSFlag0_OP_Mask,
-
-	kDNSFlag0_AA          = 0x04,		// Authoritative Answer?
-	kDNSFlag0_TC          = 0x02,		// Truncated?
-	kDNSFlag0_RD          = 0x01,		// Recursion Desired?
-	kDNSFlag1_RA          = 0x80,		// Recursion Available?
-
-	kDNSFlag1_Zero        = 0x40,		// Reserved; must be zero
-	kDNSFlag1_AD          = 0x20,		// Authentic Data [RFC 2535]
-	kDNSFlag1_CD          = 0x10,		// Checking Disabled [RFC 2535]
-
-	kDNSFlag1_RC_Mask     = 0x0F,		// Response code
-	kDNSFlag1_RC_NoErr    = 0x00,
-	kDNSFlag1_RC_FormErr  = 0x01,
-	kDNSFlag1_RC_ServFail = 0x02,
-	kDNSFlag1_RC_NXDomain = 0x03,
-	kDNSFlag1_RC_NotImpl  = 0x04,
-	kDNSFlag1_RC_Refused  = 0x05,
-	kDNSFlag1_RC_YXDomain = 0x06,
-	kDNSFlag1_RC_YXRRSet  = 0x07,
-	kDNSFlag1_RC_NXRRSet  = 0x08,
-	kDNSFlag1_RC_NotAuth  = 0x09,
-	kDNSFlag1_RC_NotZone  = 0x0A
-	} DNS_Flags;
-
-typedef enum
-	{
-	TSIG_ErrBadSig  = 16,
-	TSIG_ErrBadKey  = 17,
-	TSIG_ErrBadTime = 18
-	} TSIG_ErrorCode;
-
-// ***************************************************************************
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark -
-#pragma mark - General Utility Functions
-#endif
-
-extern NetworkInterfaceInfo *GetFirstActiveInterface(NetworkInterfaceInfo *intf);
-extern mDNSInterfaceID GetNextActiveInterfaceID(const NetworkInterfaceInfo *intf);
-
-extern mDNSu32 mDNSRandom(mDNSu32 max);		// Returns pseudo-random result from zero to max inclusive
-
-// ***************************************************************************
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark -
-#pragma mark - Domain Name Utility Functions
-#endif
-
-#define mDNSIsDigit(X)     ((X) >= '0' && (X) <= '9')
-#define mDNSIsUpperCase(X) ((X) >= 'A' && (X) <= 'Z')
-#define mDNSIsLowerCase(X) ((X) >= 'a' && (X) <= 'z')
-#define mDNSIsLetter(X)    (mDNSIsUpperCase(X) || mDNSIsLowerCase(X))
-
-#define mDNSValidHostChar(X, notfirst, notlast) (mDNSIsLetter(X) || mDNSIsDigit(X) || ((notfirst) && (notlast) && (X) == '-') )
-
-extern mDNSu16 CompressedDomainNameLength(const domainname *const name, const domainname *parent);
-extern int CountLabels(const domainname *d);
-extern const domainname *SkipLeadingLabels(const domainname *d, int skip);
-
-extern mDNSu32 TruncateUTF8ToLength(mDNSu8 *string, mDNSu32 length, mDNSu32 max);
-extern mDNSBool LabelContainsSuffix(const domainlabel *const name, const mDNSBool RichText);
-extern mDNSu32 RemoveLabelSuffix(domainlabel *name, mDNSBool RichText);
-extern void AppendLabelSuffix(domainlabel *const name, mDNSu32 val, const mDNSBool RichText);
-#define ValidateDomainName(N) (DomainNameLength(N) <= MAX_DOMAIN_NAME)
-
-// ***************************************************************************
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark -
-#pragma mark - Resource Record Utility Functions
-#endif
-
-// IdenticalResourceRecord returns true if two resources records have
-// the same name, type, class, and identical rdata (InterfaceID and TTL may differ)
-
-// IdenticalSameNameRecord is the same, except it skips the expensive SameDomainName() check,
-// which is at its most expensive and least useful in cases where we know in advance that the names match
-
-// Note: The dominant use of IdenticalResourceRecord is from ProcessQuery(), handling known-answer lists. In this case
-// it's common to have a whole bunch or records with exactly the same name (e.g. "_http._tcp.local") but different RDATA.
-// The SameDomainName() check is expensive when the names match, and in this case *all* the names match, so we
-// used to waste a lot of CPU time verifying that the names match, only then to find that the RDATA is different.
-// We observed mDNSResponder spending 30% of its total CPU time on this single task alone.
-// By swapping the checks so that we check the RDATA first, we can quickly detect when it's different
-// (99% of the time) and then bail out before we waste time on the expensive SameDomainName() check.
-
-#define IdenticalResourceRecord(r1,r2) ( \
-	(r1)->rrtype    == (r2)->rrtype      && \
-	(r1)->rrclass   == (r2)->rrclass     && \
-	(r1)->namehash  == (r2)->namehash    && \
-	(r1)->rdlength  == (r2)->rdlength    && \
-	(r1)->rdatahash == (r2)->rdatahash   && \
-	SameRDataBody((r1), &(r2)->rdata->u, SameDomainName) && \
-	SameDomainName((r1)->name, (r2)->name))
-
-#define IdenticalSameNameRecord(r1,r2) ( \
-	(r1)->rrtype    == (r2)->rrtype      && \
-	(r1)->rrclass   == (r2)->rrclass     && \
-	(r1)->rdlength  == (r2)->rdlength    && \
-	(r1)->rdatahash == (r2)->rdatahash   && \
-	SameRDataBody((r1), &(r2)->rdata->u, SameDomainName))
-
-// A given RRType answers a QuestionType if RRType is CNAME, or types match, or QuestionType is ANY,
-// or the RRType is NSEC and positively asserts the nonexistence of the type being requested
-#define RRTypeAnswersQuestionType(R,Q) ((R)->rrtype == kDNSType_CNAME || (R)->rrtype == (Q) || (Q) == kDNSQType_ANY || RRAssertsNonexistence((R),(Q)))
-#define RRAssertsNonexistence(R,T) ((R)->rrtype == kDNSType_NSEC && (T) < kDNSQType_ANY && !((R)->rdata->u.nsec.bitmap[(T)>>3] & (128 >> ((T)&7))))
-
-extern mDNSu32 RDataHashValue(const ResourceRecord *const rr);
-extern mDNSBool SameRDataBody(const ResourceRecord *const r1, const RDataBody *const r2, DomainNameComparisonFn *samename);
-extern mDNSBool SameNameRecordAnswersQuestion(const ResourceRecord *const rr, const DNSQuestion *const q);
-extern mDNSBool ResourceRecordAnswersQuestion(const ResourceRecord *const rr, const DNSQuestion *const q);
-extern mDNSBool AnyTypeRecordAnswersQuestion (const ResourceRecord *const rr, const DNSQuestion *const q);
-extern mDNSBool ResourceRecordAnswersUnicastResponse(const ResourceRecord *const rr, const DNSQuestion *const q);
-extern mDNSBool LocalOnlyRecordAnswersQuestion(AuthRecord *const rr, const DNSQuestion *const q);
-extern mDNSu16 GetRDLength(const ResourceRecord *const rr, mDNSBool estimate);
-extern mDNSBool ValidateRData(const mDNSu16 rrtype, const mDNSu16 rdlength, const RData *const rd);
-
-#define GetRRDomainNameTarget(RR) (                                                                          \
-	((RR)->rrtype == kDNSType_NS || (RR)->rrtype == kDNSType_CNAME || (RR)->rrtype == kDNSType_PTR || (RR)->rrtype == kDNSType_DNAME) ? &(RR)->rdata->u.name        : \
-	((RR)->rrtype == kDNSType_MX || (RR)->rrtype == kDNSType_AFSDB || (RR)->rrtype == kDNSType_RT  || (RR)->rrtype == kDNSType_KX   ) ? &(RR)->rdata->u.mx.exchange : \
-	((RR)->rrtype == kDNSType_SRV                                  ) ? &(RR)->rdata->u.srv.target : mDNSNULL )
-
-#define LocalRecordReady(X) ((X)->resrec.RecordType != kDNSRecordTypeUnique)
-
-// ***************************************************************************
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark -
-#pragma mark - DNS Message Creation Functions
-#endif
-
-extern void InitializeDNSMessage(DNSMessageHeader *h, mDNSOpaque16 id, mDNSOpaque16 flags);
-extern const mDNSu8 *FindCompressionPointer(const mDNSu8 *const base, const mDNSu8 *const end, const mDNSu8 *const domname);
-extern mDNSu8 *putDomainNameAsLabels(const DNSMessage *const msg, mDNSu8 *ptr, const mDNSu8 *const limit, const domainname *const name);
-extern mDNSu8 *putRData(const DNSMessage *const msg, mDNSu8 *ptr, const mDNSu8 *const limit, const ResourceRecord *const rr);
-
-// If we have a single large record to put in the packet, then we allow the packet to be up to 9K bytes,
-// but in the normal case we try to keep the packets below 1500 to avoid IP fragmentation on standard Ethernet
-
-#define AllowedRRSpace(msg) (((msg)->h.numAnswers || (msg)->h.numAuthorities || (msg)->h.numAdditionals) ? NormalMaxDNSMessageData : AbsoluteMaxDNSMessageData)
-
-extern mDNSu8 *PutResourceRecordTTLWithLimit(DNSMessage *const msg, mDNSu8 *ptr, mDNSu16 *count, ResourceRecord *rr, mDNSu32 ttl, const mDNSu8 *limit);
-
-#define PutResourceRecordTTL(msg, ptr, count, rr, ttl) \
-	PutResourceRecordTTLWithLimit((msg), (ptr), (count), (rr), (ttl), (msg)->data + AllowedRRSpace(msg))
-
-#define PutResourceRecordTTLJumbo(msg, ptr, count, rr, ttl) \
-	PutResourceRecordTTLWithLimit((msg), (ptr), (count), (rr), (ttl), (msg)->data + AbsoluteMaxDNSMessageData)
-
-#define PutResourceRecord(MSG, P, C, RR) PutResourceRecordTTL((MSG), (P), (C), (RR), (RR)->rroriginalttl)
-
-// The PutRR_OS variants assume a local variable 'm', put build the packet at m->omsg,
-// and assume a local variable 'OwnerRecordSpace' indicating how many bytes (if any) to reserve to add an OWNER option at the end
-#define PutRR_OS_TTL(ptr, count, rr, ttl) \
-	PutResourceRecordTTLWithLimit(&m->omsg, (ptr), (count), (rr), (ttl), m->omsg.data + AllowedRRSpace(&m->omsg) - OwnerRecordSpace)
-
-#define PutRR_OS(P, C, RR) PutRR_OS_TTL((P), (C), (RR), (RR)->rroriginalttl)
-
-extern mDNSu8 *putQuestion(DNSMessage *const msg, mDNSu8 *ptr, const mDNSu8 *const limit, const domainname *const name, mDNSu16 rrtype, mDNSu16 rrclass);
-extern mDNSu8 *putZone(DNSMessage *const msg, mDNSu8 *ptr, mDNSu8 *limit, const domainname *zone, mDNSOpaque16 zoneClass);
-extern mDNSu8 *putPrereqNameNotInUse(const domainname *const name, DNSMessage *const msg, mDNSu8 *const ptr, mDNSu8 *const end);
-extern mDNSu8 *putDeletionRecord(DNSMessage *msg, mDNSu8 *ptr, ResourceRecord *rr);
-extern mDNSu8 *putDeletionRecordWithLimit(DNSMessage *msg, mDNSu8 *ptr, ResourceRecord *rr, mDNSu8 *limit);
-extern mDNSu8 *putDeleteRRSetWithLimit(DNSMessage *msg, mDNSu8 *ptr, const domainname *name, mDNSu16 rrtype, mDNSu8 *limit);
-extern mDNSu8 *putDeleteAllRRSets(DNSMessage *msg, mDNSu8 *ptr, const domainname *name);
-extern mDNSu8 *putUpdateLease(DNSMessage *msg, mDNSu8 *end, mDNSu32 lease);
-extern mDNSu8 *putUpdateLeaseWithLimit(DNSMessage *msg, mDNSu8 *ptr, mDNSu32 lease, mDNSu8 *limit);
-
-extern mDNSu8 *putHINFO(const mDNS *const m, DNSMessage *const msg, mDNSu8 *ptr, DomainAuthInfo *authInfo, mDNSu8 *limit);
-
-// ***************************************************************************
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark -
-#pragma mark - DNS Message Parsing Functions
-#endif
-
-#define AuthHashSlot(X) (DomainNameHashValue(X) % AUTH_HASH_SLOTS)
-#define HashSlot(X) (DomainNameHashValue(X) % CACHE_HASH_SLOTS)
-extern mDNSu32 DomainNameHashValue(const domainname *const name);
-extern void SetNewRData(ResourceRecord *const rr, RData *NewRData, mDNSu16 rdlength);
-extern const mDNSu8 *skipDomainName(const DNSMessage *const msg, const mDNSu8 *ptr, const mDNSu8 *const end);
-extern const mDNSu8 *getDomainName(const DNSMessage *const msg, const mDNSu8 *ptr, const mDNSu8 *const end,
-	domainname *const name);
-extern const mDNSu8 *skipResourceRecord(const DNSMessage *msg, const mDNSu8 *ptr, const mDNSu8 *end);
-extern const mDNSu8 *GetLargeResourceRecord(mDNS *const m, const DNSMessage * const msg, const mDNSu8 *ptr,
-    const mDNSu8 * end, const mDNSInterfaceID InterfaceID, mDNSu8 RecordType, LargeCacheRecord *const largecr);
-extern const mDNSu8 *skipQuestion(const DNSMessage *msg, const mDNSu8 *ptr, const mDNSu8 *end);
-extern const mDNSu8 *getQuestion(const DNSMessage *msg, const mDNSu8 *ptr, const mDNSu8 *end, const mDNSInterfaceID InterfaceID,
-	DNSQuestion *question);
-extern const mDNSu8 *LocateAnswers(const DNSMessage *const msg, const mDNSu8 *const end);
-extern const mDNSu8 *LocateAuthorities(const DNSMessage *const msg, const mDNSu8 *const end);
-extern const mDNSu8 *LocateAdditionals(const DNSMessage *const msg, const mDNSu8 *const end);
-extern const mDNSu8 *LocateOptRR(const DNSMessage *const msg, const mDNSu8 *const end, int minsize);
-extern const rdataOPT *GetLLQOptData(mDNS *const m, const DNSMessage *const msg, const mDNSu8 *const end);
-extern mDNSu32 GetPktLease(mDNS *m, DNSMessage *msg, const mDNSu8 *end);
-extern void DumpPacket(mDNS *const m, mStatus status, mDNSBool sent, char *transport,
-	const mDNSAddr *srcaddr, mDNSIPPort srcport,
-	const mDNSAddr *dstaddr, mDNSIPPort dstport, const DNSMessage *const msg, const mDNSu8 *const end);
-
-// ***************************************************************************
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark -
-#pragma mark - Packet Sending Functions
-#endif
-
-extern mStatus mDNSSendDNSMessage(mDNS *const m, DNSMessage *const msg, mDNSu8 *end,
-	mDNSInterfaceID InterfaceID, UDPSocket *src, const mDNSAddr *dst, mDNSIPPort dstport, TCPSocket *sock, DomainAuthInfo *authInfo);
-
-// ***************************************************************************
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark -
-#pragma mark - RR List Management & Task Management
-#endif
-
-extern void ShowTaskSchedulingError(mDNS *const m);
-extern void mDNS_Lock_(mDNS *const m, const char * const functionname);
-extern void mDNS_Unlock_(mDNS *const m, const char * const functionname);
-
-#if defined(_WIN32)
- #define __func__ __FUNCTION__
-#endif
-
-#define mDNS_Lock(X) mDNS_Lock_((X), __func__)
-
-#define mDNS_Unlock(X) mDNS_Unlock_((X), __func__)
-
-#define mDNS_DropLockBeforeCallback() do { m->mDNS_reentrancy++; \
-	if (m->mDNS_busy != m->mDNS_reentrancy) LogMsg("%s: Locking Failure! mDNS_busy (%ld) != mDNS_reentrancy (%ld)", __func__, m->mDNS_busy, m->mDNS_reentrancy); \
-	} while (0)
-
-#define mDNS_ReclaimLockAfterCallback() do { \
-	if (m->mDNS_busy != m->mDNS_reentrancy) LogMsg("%s: Unlocking Failure! mDNS_busy (%ld) != mDNS_reentrancy (%ld)", __func__, m->mDNS_busy, m->mDNS_reentrancy); \
-	m->mDNS_reentrancy--; } while (0)
-
-#ifdef	__cplusplus
-	}
-#endif
-
-#endif // __DNSCOMMON_H_

src/tools/mdnssd/EventLog.mc

-MessageIdTypedef=WORD
-LanguageNames=(English=0x409:MSG00409)
-
-MessageId=100
-SymbolicName=MDNSRESPONDER_LOG
-Severity=Success
-Facility=Application
-Language=English
-%1
-.
-

src/tools/mdnssd/PlatformCommon.h

-/* -*- 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.
- */
-
-extern void ReadDDNSSettingsFromConfFile(mDNS *const m, const char *const filename, domainname *const hostname, domainname *const domain, mDNSBool *DomainDiscoveryDisabled);