166 lines
3.1 KiB
C
166 lines
3.1 KiB
C
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/*
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* (C)opyright 1992-1998 Darren Reed. (from tcplog)
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*
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* See the IPFILTER.LICENCE file for details on licencing.
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*
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*/
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#include <stdio.h>
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#include <netdb.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/timeb.h>
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#include <sys/socket.h>
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <sys/stropts.h>
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#ifdef sun
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# include <sys/pfmod.h>
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# include <sys/bufmod.h>
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#endif
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# include <sys/dlpi.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/if_ether.h>
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#include <netinet/ip_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <netinet/tcp.h>
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#include "ipsend.h"
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#if !defined(lint)
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static const char sccsid[] = "@(#)sdlpi.c 1.3 10/30/95 (C)1995 Darren Reed";
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static const char rcsid[] = "@(#)$Id$";
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#endif
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#define CHUNKSIZE 8192
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#define BUFSPACE (4*CHUNKSIZE)
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/*
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* Be careful to only include those defined in the flags option for the
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* interface are included in the header size.
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*/
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int
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initdevice(char *device, int tout)
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{
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char devname[16], *s, buf[256];
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int i, fd;
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(void) strcpy(devname, "/dev/");
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(void) strncat(devname, device, sizeof(devname) - strlen(devname));
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s = devname + 5;
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while (*s && !ISDIGIT(*s))
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s++;
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if (!*s)
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{
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fprintf(stderr, "bad device name %s\n", devname);
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exit(-1);
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}
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i = atoi(s);
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*s = '\0';
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/*
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* For writing
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*/
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if ((fd = open(devname, O_RDWR)) < 0)
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{
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fprintf(stderr, "O_RDWR(1) ");
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perror(devname);
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exit(-1);
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}
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if (dlattachreq(fd, i) == -1)
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{
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fprintf(stderr, "dlattachreq: DLPI error\n");
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exit(-1);
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}
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else if (dlokack(fd, buf) == -1)
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{
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fprintf(stderr, "dlokack(attach): DLPI error\n");
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exit(-1);
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}
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#ifdef DL_HP_RAWDLS
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if (dlpromisconreq(fd, DL_PROMISC_SAP) < 0)
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{
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fprintf(stderr, "dlpromisconreq: DL_PROMISC_PHYS error\n");
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exit(-1);
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}
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else if (dlokack(fd, buf) < 0)
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{
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fprintf(stderr, "dlokack(promisc): DLPI error\n");
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exit(-1);
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}
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/* 22 is INSAP as per the HP-UX DLPI Programmer's Guide */
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dlbindreq(fd, 22, 1, DL_HP_RAWDLS, 0, 0);
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#else
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dlbindreq(fd, ETHERTYPE_IP, 0, DL_CLDLS, 0, 0);
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#endif
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dlbindack(fd, buf);
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/*
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* write full headers
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*/
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#ifdef DLIOCRAW /* we require RAW DLPI mode, which is a Sun extension */
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if (strioctl(fd, DLIOCRAW, -1, 0, NULL) == -1)
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{
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fprintf(stderr, "DLIOCRAW error\n");
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exit(-1);
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}
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#endif
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return (fd);
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}
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/*
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* output an IP packet onto a fd opened for /dev/nit
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*/
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int
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sendip(int fd, char *pkt, int len)
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int fd, len;
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char *pkt;
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{
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struct strbuf dbuf, *dp = &dbuf, *cp = NULL;
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int pri = 0;
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#ifdef DL_HP_RAWDLS
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struct strbuf cbuf;
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dl_hp_rawdata_req_t raw;
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cp = &cbuf;
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raw.dl_primitive = DL_HP_RAWDATA_REQ;
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cp->len = sizeof(raw);
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cp->buf = (char *)&raw;
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cp->maxlen = cp->len;
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pri = MSG_HIPRI;
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#endif
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/*
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* construct NIT STREAMS messages, first control then data.
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*/
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dp->buf = pkt;
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dp->len = len;
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dp->maxlen = dp->len;
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if (putmsg(fd, cp, dp, pri) == -1)
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{
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perror("putmsg");
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return (-1);
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}
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if (ioctl(fd, I_FLUSH, FLUSHW) == -1)
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{
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perror("I_FLUSHW");
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return (-1);
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}
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return (len);
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}
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