dist/ipf/ipsend/sdlpi.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * (C)opyright 1992-1998 Darren Reed. (from tcplog)
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  *
   8  */
   9
  10 #include <stdio.h>
  11 #include <netdb.h>
  12 #include <ctype.h>
  13 #include <fcntl.h>
  14 #include <signal.h>
  15 #include <errno.h>
  16 #include <sys/types.h>
  17 #include <sys/time.h>
  18 #include <sys/timeb.h>
  19 #include <sys/socket.h>
  20 #include <sys/file.h>
  21 #include <sys/ioctl.h>
  22 #include <sys/stropts.h>
  23
  24 #ifdef sun
  25 # include <sys/pfmod.h>
  26 # include <sys/bufmod.h>
  27 #endif
  28 #ifdef __osf__
  29 # include <sys/dlpihdr.h>
  30 # include "radix_ipf_local.h"
  31 #else
  32 # include <sys/dlpi.h>
  33 #endif
  34 #ifdef __hpux
  35 # include <sys/dlpi_ext.h>
  36 #endif
  37
  38 #include <net/if.h>
  39 #include <netinet/in.h>
  40 #include <netinet/in_systm.h>
  41 #include <netinet/ip.h>
  42 #include <netinet/if_ether.h>
  43 #include <netinet/ip_var.h>
  44 #include <netinet/udp.h>
  45 #include <netinet/udp_var.h>
  46 #include <netinet/tcp.h>
  47
  48 #include "ipsend.h"
  49
  50 #if !defined(lint)
  51 static const char sccsid[] = "@(#)sdlpi.c       1.3 10/30/95 (C)1995 Darren Reed";
  52 static const char rcsid[] = "@(#)Id: sdlpi.c,v 2.8.2.2 2007/02/17 12:41:51 darrenr Exp";
  53 #endif
  54
  55 #define CHUNKSIZE       8192
  56 #define BUFSPACE        (4*CHUNKSIZE)
  57
  58
  59 /*
  60  * Be careful to only include those defined in the flags option for the
  61  * interface are included in the header size.
  62  */
  63 int     initdevice(device, tout)
  64 char    *device;
  65 int     tout;
  66 {
  67         char    devname[16], *s, buf[256];
  68         int     i, fd;
  69
  70         (void) strcpy(devname, "/dev/");
  71         (void) strncat(devname, device, sizeof(devname) - strlen(devname));
  72
  73         s = devname + 5;
  74         while (*s && !ISDIGIT(*s))
  75                 s++;
  76         if (!*s)
  77             {
  78                 fprintf(stderr, "bad device name %s\n", devname);
  79                 exit(-1);
  80             }
  81         i = atoi(s);
  82         *s = '\0';
  83         /*
  84          * For writing
  85          */
  86         if ((fd = open(devname, O_RDWR)) < 0)
  87             {
  88                 fprintf(stderr, "O_RDWR(1) ");
  89                 perror(devname);
  90                 exit(-1);
  91             }
  92
  93         if (dlattachreq(fd, i) == -1)
  94             {
  95                 fprintf(stderr, "dlattachreq: DLPI error\n");
  96                 exit(-1);
  97             }
  98         else if (dlokack(fd, buf) == -1)
  99             {
 100                 fprintf(stderr, "dlokack(attach): DLPI error\n");
 101                 exit(-1);
 102             }
 103 #ifdef DL_HP_RAWDLS
 104         if (dlpromisconreq(fd, DL_PROMISC_SAP) < 0)
 105             {
 106                 fprintf(stderr, "dlpromisconreq: DL_PROMISC_PHYS error\n");
 107                 exit(-1);
 108             }
 109         else if (dlokack(fd, buf) < 0)
 110             {
 111                 fprintf(stderr, "dlokack(promisc): DLPI error\n");
 112                 exit(-1);
 113             }
 114         /* 22 is INSAP as per the HP-UX DLPI Programmer's Guide */
 115
 116         dlbindreq(fd, 22, 1, DL_HP_RAWDLS, 0, 0);
 117 #else
 118         dlbindreq(fd, ETHERTYPE_IP, 0, DL_CLDLS, 0, 0);
 119 #endif
 120         dlbindack(fd, buf);
 121         /*
 122          * write full headers
 123          */
 124 #ifdef DLIOCRAW /* we require RAW DLPI mode, which is a Sun extension */
 125         if (strioctl(fd, DLIOCRAW, -1, 0, NULL) == -1)
 126             {
 127                 fprintf(stderr, "DLIOCRAW error\n");
 128                 exit(-1);
 129             }
 130 #endif
 131         return fd;
 132 }
 133
 134
 135 /*
 136  * output an IP packet onto a fd opened for /dev/nit
 137  */
 138 int     sendip(fd, pkt, len)
 139 int     fd, len;
 140 char    *pkt;
 141 {
 142         struct strbuf dbuf, *dp = &dbuf, *cp = NULL;
 143         int pri = 0;
 144 #ifdef DL_HP_RAWDLS
 145         struct strbuf cbuf;
 146         dl_hp_rawdata_req_t raw;
 147
 148         cp = &cbuf;
 149         raw.dl_primitive = DL_HP_RAWDATA_REQ;
 150         cp->len = sizeof(raw);
 151         cp->buf = (char *)&raw;
 152         cp->maxlen = cp->len;
 153         pri = MSG_HIPRI;
 154 #endif
 155         /*
 156          * construct NIT STREAMS messages, first control then data.
 157          */
 158         dp->buf = pkt;
 159         dp->len = len;
 160         dp->maxlen = dp->len;
 161
 162         if (putmsg(fd, cp, dp, pri) == -1)
 163             {
 164                 perror("putmsg");
 165                 return -1;
 166             }
 167         if (ioctl(fd, I_FLUSH, FLUSHW) == -1)
 168             {
 169                 perror("I_FLUSHW");
 170                 return -1;
 171             }
 172         return len;
 173 }
 174