/* -*- Mode: C; tab-width: 4 -*-
*
- * Copyright (c) 2003-2004, Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2015 Apple 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:
* 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
+ * 3. Neither the name of Apple 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.
*
// Common cross platform services
//
#if defined(WIN32)
-# include <winsock2.h>
-# define dnssd_InvalidSocket INVALID_SOCKET
-# define dnssd_SocketValid(s) ((s) != INVALID_SOCKET)
-# define dnssd_EWOULDBLOCK WSAEWOULDBLOCK
-# define dnssd_EINTR WSAEINTR
-# 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
+# include <winsock2.h>
+# 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_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>
-# define dnssd_InvalidSocket -1
-# define dnssd_SocketValid(s) ((s) >= 0)
-# define dnssd_EWOULDBLOCK EWOULDBLOCK
-# define dnssd_EINTR EINTR
-# 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)
+# 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_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
+# 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
+# define AF_DNSSD AF_LOCAL
+# ifndef MDNS_UDS_SERVERPATH
+# define MDNS_UDS_SERVERPATH "/var/run/mDNSResponder"
+# endif
+# define MDNS_UDS_SERVERPATH_ENVVAR "DNSSD_UDS_PATH"
+# define LISTENQ 100
+// longest legal control path length
+# define MAX_CTLPATH (sizeof(((struct sockaddr_un*)0)->sun_path))
+# define dnssd_sockaddr_t struct sockaddr_un
#endif
// Compatibility workaround
#ifndef AF_LOCAL
-#define AF_LOCAL AF_UNIX
+#define AF_LOCAL AF_UNIX
#endif
// General UDS constants
-#define TXT_RECORD_INDEX ((uint32_t)(-1)) // record index for default text record
+#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
+#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
#endif
typedef enum
- {
- request_op_none = 0, // No request yet received on this connection
- connection_request = 1, // connected socket via DNSServiceCreateConnection()
- reg_record_request, // reg/remove record only valid for connected sockets
+{
+ 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,
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
-
- cancel_request = 63
- } request_op_t;
+ 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
+ getpid_request,
+ release_request,
+ connection_delegate_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;
+ 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(4)
+# pragma pack(push,4)
#endif
// Define context object big enough to hold a 64-bit pointer,
// to accomodate 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;
+} 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
+ 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;
+} 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.
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.
+// 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];
- };
+{
+ // 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 // DNSSD_IPC_H