diff options
Diffstat (limited to 'mDNSResponder/mDNSPosix/mDNSUNP.h')
| -rwxr-xr-x | mDNSResponder/mDNSPosix/mDNSUNP.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/mDNSResponder/mDNSPosix/mDNSUNP.h b/mDNSResponder/mDNSPosix/mDNSUNP.h new file mode 100755 index 00000000..cc81b7d3 --- /dev/null +++ b/mDNSResponder/mDNSPosix/mDNSUNP.h @@ -0,0 +1,130 @@ +/* -*- Mode: C; tab-width: 4 -*- + * + * Copyright (c) 2002-2004 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. + */ + +#ifndef __mDNSUNP_h +#define __mDNSUNP_h + +#include <sys/types.h> +#include <sys/socket.h> +#include <net/if.h> +#include <netinet/in.h> + +#ifdef HAVE_LINUX +#include <linux/socket.h> +#define IPV6_2292_PKTINFO IPV6_2292PKTINFO +#define IPV6_2292_HOPLIMIT IPV6_2292HOPLIMIT +#else +// The following are the supported non-linux posix OSes - +// netbsd, freebsd and openbsd. +#if HAVE_IPV6 +#define IPV6_2292_PKTINFO 19 +#define IPV6_2292_HOPLIMIT 20 +#endif +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef NOT_HAVE_SOCKLEN_T +typedef unsigned int socklen_t; +#endif + +#if !defined(_SS_MAXSIZE) +#if HAVE_IPV6 +#define sockaddr_storage sockaddr_in6 +#else +#define sockaddr_storage sockaddr +#endif // HAVE_IPV6 +#endif // !defined(_SS_MAXSIZE) + +#ifndef NOT_HAVE_SA_LEN +#define GET_SA_LEN(X) (sizeof(struct sockaddr) > ((struct sockaddr*)&(X))->sa_len ? \ + sizeof(struct sockaddr) : ((struct sockaddr*)&(X))->sa_len ) +#elif HAVE_IPV6 +#define GET_SA_LEN(X) (((struct sockaddr*)&(X))->sa_family == AF_INET ? sizeof(struct sockaddr_in) : \ + ((struct sockaddr*)&(X))->sa_family == AF_INET6 ? sizeof(struct sockaddr_in6) : sizeof(struct sockaddr)) +#else +#define GET_SA_LEN(X) (((struct sockaddr*)&(X))->sa_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr)) +#endif + +#define IFI_NAME 16 /* same as IFNAMSIZ in <net/if.h> */ +#define IFI_HADDR 8 /* allow for 64-bit EUI-64 in future */ + +// Renamed from my_in_pktinfo because in_pktinfo is used by Linux. + +struct my_in_pktinfo { + struct sockaddr_storage ipi_addr; + int ipi_ifindex; /* received interface index */ + char ipi_ifname[IFI_NAME]; /* received interface name */ +}; + +/* From the text (Stevens, section 20.2): */ +/* 'As an example of recvmsg we will write a function named recvfrom_flags that */ +/* is similar to recvfrom but also returns: */ +/* 1. the returned msg_flags value, */ +/* 2. the destination addres of the received datagram (from the IP_RECVDSTADDR socket option, and */ +/* 3. the index of the interface on which the datagram was received (the IP_RECVIF socket option).' */ +extern ssize_t recvfrom_flags(int fd, void *ptr, size_t nbytes, int *flagsp, + struct sockaddr *sa, socklen_t *salenptr, struct my_in_pktinfo *pktp, u_char *ttl); + +struct ifi_info { + char ifi_name[IFI_NAME]; /* interface name, null terminated */ + u_char ifi_haddr[IFI_HADDR]; /* hardware address */ + u_short ifi_hlen; /* #bytes in hardware address: 0, 6, 8 */ + short ifi_flags; /* IFF_xxx constants from <net/if.h> */ + short ifi_myflags; /* our own IFI_xxx flags */ + int ifi_index; /* interface index */ + struct sockaddr *ifi_addr; /* primary address */ + struct sockaddr *ifi_netmask; + struct sockaddr *ifi_brdaddr; /* broadcast address */ + struct sockaddr *ifi_dstaddr; /* destination address */ + struct ifi_info *ifi_next; /* next of these structures */ +}; + +#if defined(AF_INET6) && HAVE_IPV6 && HAVE_LINUX +#define PROC_IFINET6_PATH "/proc/net/if_inet6" +extern struct ifi_info *get_ifi_info_linuxv6(int family, int doaliases); +#endif + +#if defined(AF_INET6) && HAVE_IPV6 +#define INET6_ADDRSTRLEN 46 /*Maximum length of IPv6 address */ +#endif + + + +#define IFI_ALIAS 1 /* ifi_addr is an alias */ + +/* From the text (Stevens, section 16.6): */ +/* 'Since many programs need to know all the interfaces on a system, we will develop a */ +/* function of our own named get_ifi_info that returns a linked list of structures, one */ +/* for each interface that is currently "up."' */ +extern struct ifi_info *get_ifi_info(int family, int doaliases); + +/* 'The free_ifi_info function, which takes a pointer that was */ +/* returned by get_ifi_info and frees all the dynamic memory.' */ +extern void free_ifi_info(struct ifi_info *); + +#ifdef NOT_HAVE_DAEMON +extern int daemon(int nochdir, int noclose); +#endif + +#ifdef __cplusplus +} +#endif + +#endif |