diff options
Diffstat (limited to 'inet')
| -rw-r--r-- | inet/Makefile | 3 | ||||
| -rw-r--r-- | inet/getnameinfo.c | 238 | ||||
| -rw-r--r-- | inet/in6_addr.c | 28 | ||||
| -rw-r--r-- | inet/net/ethernet.h | 76 | ||||
| -rw-r--r-- | inet/netinet/ip.h | 167 | ||||
| -rw-r--r-- | inet/netinet/tcp.h | 112 |
6 files changed, 344 insertions, 280 deletions
diff --git a/inet/Makefile b/inet/Makefile index e965390..02e1033 100644 --- a/inet/Makefile +++ b/inet/Makefile @@ -43,7 +43,8 @@ routines := ntohl ntohs htonl htons \ ether_ntoa ether_ntoa_r ether_ntoh \ rcmd rexec ruserpass \ getnetgrent_r getnetgrent \ - getaliasent_r getaliasent getaliasname getaliasname_r + getaliasent_r getaliasent getaliasname getaliasname_r \ + in6_addr getnameinfo # No warnings about losing BSD code. CFLAGS-rcmd.c = -w diff --git a/inet/getnameinfo.c b/inet/getnameinfo.c new file mode 100644 index 0000000..b9454f6 --- /dev/null +++ b/inet/getnameinfo.c @@ -0,0 +1,238 @@ +/* The Inner Net License, Version 2.00 + + The author(s) grant permission for redistribution and use in source and +binary forms, with or without modification, of the software and documentation +provided that the following conditions are met: + +0. If you receive a version of the software that is specifically labelled + as not being for redistribution (check the version message and/or README), + you are not permitted to redistribute that version of the software in any + way or form. +1. All terms of the all other applicable copyrights and licenses must be + followed. +2. Redistributions of source code must retain the authors' copyright + notice(s), this list of conditions, and the following disclaimer. +3. Redistributions in binary form must reproduce the authors' copyright + notice(s), this list of conditions, and the following disclaimer in the + documentation and/or other materials provided with the distribution. +4. All advertising materials mentioning features or use of this software + must display the following acknowledgement with the name(s) of the + authors as specified in the copyright notice(s) substituted where + indicated: + + This product includes software developed by <name(s)>, The Inner + Net, and other contributors. + +5. Neither the name(s) of the author(s) 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 ITS AUTHORS AND 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 THE AUTHORS OR 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. + + If these license terms cause you a real problem, contact the author. */ + +/* This software is Copyright 1996 by Craig Metz, All Rights Reserved. */ + +#define INET6 1 +#define LOCAL 1 +#define HOSTTABLE 0 + +#include <sys/types.h> +#include <sys/socket.h> + +#include <netinet/in.h> +#if LOCAL +#include <sys/un.h> +#include <sys/utsname.h> +#endif /* LOCAL */ +#include <netdb.h> +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <unistd.h> + +#ifndef AF_LOCAL +#define AF_LOCAL AF_UNIX +#endif /* AF_LOCAL */ + +#if HOSTTABLE +struct hostent *_addr2hostname_hosts(const char *, int, int); +#endif /* HOSTTABLE */ + +#ifndef MAXHOSTNAMELEN +#define MAXHOSTNAMELEN 128 +#endif + +#ifndef min +#define min(x,y) (((x) > (y)) ? (y) : (x)) +#endif /* min */ + +static char *domain; +static char domainbuffer[MAXHOSTNAMELEN]; + + +static char * +nrl_domainname (void) +{ + static int first = 1; + + if (first) { + char *c; + struct hostent *h; + + first = 0; + + if ((h = gethostbyname("localhost")) && (c = strchr(h->h_name, '.'))) + return strcpy(domain = domainbuffer, ++c); + + if (!gethostname(domainbuffer, sizeof(domainbuffer))) { + if (c = strchr(domainbuffer, '.')) + return (domain = ++c); + + if ((h = gethostbyname(domainbuffer)) && (c = strchr(h->h_name, '.'))) + return strcpy(domain = domainbuffer, ++c); + } + + { + struct in_addr in_addr; + + in_addr.s_addr = htonl(0x7f000001); + + if ((h = gethostbyaddr((const char *)&in_addr, sizeof(struct in_addr), AF_INET)) && (c = strchr(h->h_name, '.'))) + return strcpy(domain = domainbuffer, ++c); + } + + return NULL; + }; + + return domain; +}; + +int getnameinfo(const struct sockaddr *sa, size_t addrlen, char *host, size_t hostlen, char *serv, size_t servlen, int flags) +{ + int serrno = errno; + + if (!sa) + return -1; + + if (host && (hostlen > 0)) + switch(sa->sa_family) { + case AF_INET: +#if INET6 + case AF_INET6: +#endif /* INET6 */ + if (!(flags & NI_NUMERICHOST)) { + struct hostent *h = NULL; +#if HOSTTABLE +#if INET6 + if (sa->sa_family == AF_INET6) + h = _addr2hostname_hosts((void *)&(((struct sockaddr_in6 *)sa)->sin6_addr), sizeof(struct in6_addr), AF_INET6); + else +#endif /* INET6 */ + h = _addr2hostname_hosts((void *)&(((struct sockaddr_in *)sa)->sin_addr), sizeof(struct in_addr), AF_INET); +#endif /* HOSTTABLE */ + +#if RESOLVER + if (!h) { +#if INET6 + if (sa->sa_family == AF_INET6) + h = gethostbyaddr((void *)&(((struct sockaddr_in6 *)sa)->sin6_addr), sizeof(struct in6_addr), AF_INET6); + else +#endif /* INET6 */ + h = gethostbyaddr((void *)&(((struct sockaddr_in *)sa)->sin_addr), sizeof(struct in_addr), AF_INET); + endhostent(); + }; +#endif /* RESOLVER */ + + if (h) { + if (flags & NI_NOFQDN) { + char *c; + if ((c = nrl_domainname()) && (c = strstr(h->h_name, c)) && (c != h->h_name) && (*(--c) == '.')) { + strncpy(host, h->h_name, min(hostlen, (c - h->h_name))); + break; + }; + }; + strncpy(host, h->h_name, hostlen); + break; + }; + }; + + if (flags & NI_NAMEREQD) + goto fail; + + { + const char *c; +#if INET6 + if (sa->sa_family == AF_INET6) + c = inet_ntop(AF_INET6, (void *)&(((struct sockaddr_in6 *)sa)->sin6_addr), host, hostlen); + else +#endif /* INET6 */ + c = inet_ntop(AF_INET, (void *)&(((struct sockaddr_in *)sa)->sin_addr), host, hostlen); + + if (!c) + goto fail; + }; + break; +#if LOCAL + case AF_LOCAL: + if (!(flags & NI_NUMERICHOST)) { + struct utsname utsname; + + if (!uname(&utsname)) { + strncpy(host, utsname.nodename, hostlen); + break; + }; + }; + + if (flags & NI_NAMEREQD) + goto fail; + + strncpy(host, "localhost", hostlen); + break; +#endif /* LOCAL */ + default: + return -1; + }; + + if (serv && (servlen > 0)) + switch(sa->sa_family) { + case AF_INET: +#if INET6 + case AF_INET6: +#endif /* INET6 */ + if (!(flags & NI_NUMERICSERV)) { + struct servent *s; + if (s = getservbyport(((struct sockaddr_in *)sa)->sin_port, (flags & NI_DGRAM) ? "udp" : "tcp")) { + strncpy(serv, s->s_name, servlen); + break; + }; + }; + snprintf(serv, servlen, "%d", ntohs(((struct sockaddr_in *)sa)->sin_port)); + break; +#if LOCAL + case AF_LOCAL: + strncpy(serv, ((struct sockaddr_un *)sa)->sun_path, servlen); + break; +#endif /* LOCAL */ + }; + + if (host && (hostlen > 0)) + host[hostlen-1] = 0; + if (serv && (servlen > 0)) + serv[servlen-1] = 0; + errno = serrno; + return 0; + +fail: + errno = serrno; + return -1; +}; diff --git a/inet/in6_addr.c b/inet/in6_addr.c new file mode 100644 index 0000000..a68990e --- /dev/null +++ b/inet/in6_addr.c @@ -0,0 +1,28 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Philip Blundell <pjb27@cam.ac.uk>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <netinet/in.h> + +const struct in6_addr in6addr_any = { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } }; +const struct in6_addr in6addr_loopback = { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } }; + +int inet6_isipv4mapped(const struct in6_addr *addr) +{ + return IN6_IS_ADDR_V4MAPPED(addr); +} diff --git a/inet/net/ethernet.h b/inet/net/ethernet.h new file mode 100644 index 0000000..89a92c5 --- /dev/null +++ b/inet/net/ethernet.h @@ -0,0 +1,76 @@ +/* Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Based on the FreeBSD version of this file. Curiously, that file + lacks a copyright in the header. */ + +#ifndef __NET_ETHERNET_H +#define __NET_ETHERNET_H 1 + +#include <sys/cdefs.h> +#include <sys/types.h> +#include <linux/if_ether.h> /* IEEE 802.3 Ethernet constants */ + +__BEGIN_DECLS + +/* This is a name for the 48 bit ethernet address available on many + systems. */ +struct ether_addr +{ + u_int8_t ether_addr_octet[ETH_ALEN]; +}; + +/* 10Mb/s ethernet header */ +struct ether_header +{ + u_int8_t ether_dhost[ETH_ALEN]; /* destination eth addr */ + u_int8_t ether_shost[ETH_ALEN]; /* source ether addr */ + u_int16_t ether_type; /* packet type ID field */ +}; + +/* Ethernet protocol ID's */ +#define ETHERTYPE_PUP 0x0200 /* Xerox PUP */ +#define ETHERTYPE_IP 0x0800 /* IP */ +#define ETHERTYPE_ARP 0x0806 /* Address resolution */ +#define ETHERTYPE_REVARP 0x8035 /* Reverse ARP */ + +#define ETHER_ADDR_LEN ETH_ALEN /* size of ethernet addr */ +#define ETHER_TYPE_LEN 2 /* bytes in type field */ +#define ETHER_CRC_LEN 4 /* bytes in CRC field */ +#define ETHER_HDR_LEN ETH_HLEN /* total octets in header */ +#define ETHER_MIN_LEN (ETH_ZLEN + ETH_CRC_LEN) /* min packet length */ +#define ETHER_MAX_LEN (ETH_FRAME_LEN + ETH_CRC_LEN) /* max packet length */ + +/* make sure ethenet length is valid */ +#define ETHER_IS_VALID_LEN(foo) \ + ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN) + +/* + * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have + * (type-ETHERTYPE_TRAIL)*512 bytes of data followed + * by an ETHER type (as given above) and then the (variable-length) header. + */ +#define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ +#define ETHERTYPE_NTRAILER 16 + +#define ETHERMTU ETH_DATA_LEN +#define ETHERMIN (ETHER_MIN_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN) + +__END_DECLS + +#endif /* net/ethernet.h */ diff --git a/inet/netinet/ip.h b/inet/netinet/ip.h deleted file mode 100644 index 191ac8e..0000000 --- a/inet/netinet/ip.h +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 THE REGENTS AND 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 THE REGENTS OR 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. - * - * @(#)ip.h 8.1 (Berkeley) 6/10/93 - */ - -#include <gnu/types.h> -#include <endian.h> -#include <netinet/in.h> - -/* - * Definitions for internet protocol version 4. - * Per RFC 791, September 1981. - */ -#define IPVERSION 4 - -/* - * Structure of an internet header, naked of options. - */ -struct ip { -#if __BYTE_ORDER == __LITTLE_ENDIAN - __u_char ip_hl:4, /* header length */ - ip_v:4; /* version */ -#endif -#if __BYTE_ORDER == __BIG_ENDIAN - __u_char ip_v:4, /* version */ - ip_hl:4; /* header length */ -#endif - __u_char ip_tos; /* type of service */ - __u_short ip_len; /* total length */ - __u_short ip_id; /* identification */ - __u_short ip_off; /* fragment offset field */ -#define IP_RF 0x8000 /* reserved fragment flag */ -#define IP_DF 0x4000 /* dont fragment flag */ -#define IP_MF 0x2000 /* more fragments flag */ -#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ - __u_char ip_ttl; /* time to live */ - __u_char ip_p; /* protocol */ - __u_short ip_sum; /* checksum */ - struct in_addr ip_src, ip_dst; /* source and dest address */ -}; - -#define IP_MAXPACKET 65535 /* maximum packet size */ - -/* - * Definitions for IP type of service (ip_tos) - */ -#define IPTOS_LOWDELAY 0x10 -#define IPTOS_THROUGHPUT 0x08 -#define IPTOS_RELIABILITY 0x04 -#define IPTOS_LOWCOST 0x02 -#define IPTOS_MINCOST IPTOS_LOWCOST - -/* - * Definitions for IP precedence (also in ip_tos) (hopefully unused) - */ -#define IPTOS_PREC_NETCONTROL 0xe0 -#define IPTOS_PREC_INTERNETCONTROL 0xc0 -#define IPTOS_PREC_CRITIC_ECP 0xa0 -#define IPTOS_PREC_FLASHOVERRIDE 0x80 -#define IPTOS_PREC_FLASH 0x60 -#define IPTOS_PREC_IMMEDIATE 0x40 -#define IPTOS_PREC_PRIORITY 0x20 -#define IPTOS_PREC_ROUTINE 0x00 - -/* - * Definitions for options. - */ -#define IPOPT_COPIED(o) ((o)&0x80) -#define IPOPT_CLASS(o) ((o)&0x60) -#define IPOPT_NUMBER(o) ((o)&0x1f) - -#define IPOPT_CONTROL 0x00 -#define IPOPT_RESERVED1 0x20 -#define IPOPT_DEBMEAS 0x40 -#define IPOPT_RESERVED2 0x60 - -#define IPOPT_EOL 0 /* end of option list */ -#define IPOPT_NOP 1 /* no operation */ - -#define IPOPT_RR 7 /* record packet route */ -#define IPOPT_TS 68 /* timestamp */ -#define IPOPT_SECURITY 130 /* provide s,c,h,tcc */ -#define IPOPT_LSRR 131 /* loose source route */ -#define IPOPT_SATID 136 /* satnet id */ -#define IPOPT_SSRR 137 /* strict source route */ - -/* - * Offsets to fields in options other than EOL and NOP. - */ -#define IPOPT_OPTVAL 0 /* option ID */ -#define IPOPT_OLEN 1 /* option length */ -#define IPOPT_OFFSET 2 /* offset within option */ -#define IPOPT_MINOFF 4 /* min value of above */ - -#define MAX_IPOPTLEN 40 - -/* - * Time stamp option structure. - */ -struct ip_timestamp { - __u_char ipt_code; /* IPOPT_TS */ - __u_char ipt_len; /* size of structure (variable) */ - __u_char ipt_ptr; /* index of current entry */ -#if __BYTE_ORDER == __LITTLE_ENDIAN - __u_char ipt_flg:4, /* flags, see below */ - ipt_oflw:4; /* overflow counter */ -#endif -#if __BYTE_ORDER == __BIG_ENDIAN - __u_char ipt_oflw:4, /* overflow counter */ - ipt_flg:4; /* flags, see below */ -#endif - __u_long data[9]; -}; - -/* flag bits for ipt_flg */ -#define IPOPT_TS_TSONLY 0 /* timestamps only */ -#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */ -#define IPOPT_TS_PRESPEC 3 /* specified modules only */ - -/* bits for security (not byte swapped) */ -#define IPOPT_SECUR_UNCLASS 0x0000 -#define IPOPT_SECUR_CONFID 0xf135 -#define IPOPT_SECUR_EFTO 0x789a -#define IPOPT_SECUR_MMMM 0xbc4d -#define IPOPT_SECUR_RESTR 0xaf13 -#define IPOPT_SECUR_SECRET 0xd788 -#define IPOPT_SECUR_TOPSECRET 0x6bc5 - -/* - * Internet implementation parameters. - */ -#define MAXTTL 255 /* maximum time to live (seconds) */ -#define IPDEFTTL 64 /* default ttl, from RFC 1340 */ -#define IPFRAGTTL 60 /* time to live for frags, slowhz */ -#define IPTTLDEC 1 /* subtracted when forwarding */ - -#define IP_MSS 576 /* default maximum segment size */ diff --git a/inet/netinet/tcp.h b/inet/netinet/tcp.h deleted file mode 100644 index e5011b0..0000000 --- a/inet/netinet/tcp.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 THE REGENTS AND 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 THE REGENTS OR 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. - * - * @(#)tcp.h 8.1 (Berkeley) 6/10/93 - */ - -#ifndef _NETINET_TCP_H - -#define _NETINET_TCP_H 1 -#include <sys/cdefs.h> - - -__BEGIN_DECLS - -typedef unsigned int tcp_seq; -/* - * TCP header. - * Per RFC 793, September, 1981. - */ -struct tcphdr { - u_short th_sport; /* source port */ - u_short th_dport; /* destination port */ - tcp_seq th_seq; /* sequence number */ - tcp_seq th_ack; /* acknowledgement number */ -#if __BYTE_ORDER == __LITTLE_ENDIAN - u_char th_x2:4, /* (unused) */ - th_off:4; /* data offset */ -#endif -#if __BYTE_ORDER == __BIG_ENDIAN - u_char th_off:4, /* data offset */ - th_x2:4; /* (unused) */ -#endif - u_char th_flags; -#define TH_FIN 0x01 -#define TH_SYN 0x02 -#define TH_RST 0x04 -#define TH_PUSH 0x08 -#define TH_ACK 0x10 -#define TH_URG 0x20 - u_short th_win; /* window */ - u_short th_sum; /* checksum */ - u_short th_urp; /* urgent pointer */ -}; - -#define TCPOPT_EOL 0 -#define TCPOPT_NOP 1 -#define TCPOPT_MAXSEG 2 -#define TCPOLEN_MAXSEG 4 -#define TCPOPT_WINDOW 3 -#define TCPOLEN_WINDOW 3 -#define TCPOPT_SACK_PERMITTED 4 /* Experimental */ -#define TCPOLEN_SACK_PERMITTED 2 -#define TCPOPT_SACK 5 /* Experimental */ -#define TCPOPT_TIMESTAMP 8 -#define TCPOLEN_TIMESTAMP 10 -#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */ - -#define TCPOPT_TSTAMP_HDR \ - (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP) - -/* - * Default maximum segment size for TCP. - * With an IP MSS of 576, this is 536, - * but 512 is probably more convenient. - * This should be defined as MIN(512, IP_MSS - sizeof (struct tcpiphdr)). - */ -#define TCP_MSS 512 - -#define TCP_MAXWIN 65535 /* largest value for (unscaled) window */ - -#define TCP_MAX_WINSHIFT 14 /* maximum window shift */ - -/* - * User-settable options (used with setsockopt). - */ -#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ -#define TCP_MAXSEG 0x02 /* set maximum segment size */ - -#define SOL_TCP 6 /* TCP level */ - -__END_DECLS - -#endif /* netinet/tcp.h */ |