Date: Thu, 05 Feb 1998 00:23:20 +0100 (CET) From: Jaroslav Klaus <J.Klaus@sh.cvut.cz> To: freebsd-questions@FreeBSD.ORG Subject: IPX RAW socket Message-ID: <XFMail.980205002320.J.Klaus@sh.cvut.cz>
next in thread | raw e-mail | index | archive | help
This message is in MIME format
--_=XFMail.1.2.p0.FreeBSD:980205002316:9663=_
Content-Type: text/plain; charset=iso-8859-2
Content-Transfer-Encoding: quoted-printable
Hello,
I'd like to send IPX type20 packet. I've writen a small prg but sendto
returns errno=3D56. Is IPX RAW socket implemented in FBSD2.2? Can anybody h=
elp
me with it? I attached my program in this mail. I started it by this way:
%./ipx 0x337130.0x00:00:b4:72:aa:83.0x5500 0.0:00:12:34:56:78.0x5520
couldn't send packet
0.12345678H.5520H : 337130H.b472aa83.5500H -> 0.12345678H.5520H
56: unknown error
And another Q. In ports is there any tool for sending data to network iface=
?
I need resend some ethernet packet captured by 'tcpdump -w <file>'.
Thank you,
--
Jarda
--_=XFMail.1.2.p0.FreeBSD:980205002316:9663=_
Content-Disposition: attachment; filename="ipx.c"
Content-Transfer-Encoding: 7bit
Content-Description: ipx.c
Content-Type: text/plain; charset=us-ascii; name=ipx.c; SizeOnDisk=3841
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/errno.h>
#include <netdb.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netipx/ipx.h>
#define IPX_DATA_LEN 20
#define IPXPROTO_NETBIOS 20
u_short checksum(u_short * data,u_short length)
{
register long value;
u_short i;
for(i=0;i<(length>>1);i++)
value+=data[i];
if((length&1)==1)
value+=(data[i]<<8);
value=(value&65535)+(value>>16);
return(~value);
}
int main(int argc, char ** argv)
{
struct sockaddr_ipx sipx;
int sock,err;
char buffer[sizeof(struct ipx)+IPX_DATA_LEN];
struct ipx * ipxheader=(struct ipx *)buffer;
struct ipx_addr addr;
char src_addr[30];
char dst_addr[30];
char sck_addr[30];
if (argc<3)
{
fprintf(stderr,"usage: %s src_ipx_addr dst_ipx_addr\n",argv[0]);
return (-1);
}
bzero(&sipx,sizeof(struct sockaddr_ipx));
sipx.sipx_family=AF_IPX;
bzero(&buffer, sizeof(struct ipx)+IPX_DATA_LEN);
ipxheader->ipx_len=sizeof(struct ipx)+IPX_DATA_LEN;
ipxheader->ipx_tc =0;
ipxheader->ipx_pt =IPXPROTO_NETBIOS;
addr=ipx_addr(argv[2]);
bcopy(&addr, &sipx.sipx_addr, sizeof(struct ipx_addr));
bcopy(&addr,&ipxheader->ipx_dna, sizeof(struct ipx_addr));
addr=ipx_addr(argv[1]);
bcopy(&addr,&ipxheader->ipx_sna, sizeof(struct ipx_addr));
ipxheader->ipx_sum=0;//checksum((u_short *)ipxheader, sizeof(struct ipx)
);
if ((sock=socket(PF_IPX,SOCK_RAW,IPXPROTO_RAW))==-1)
{
fprintf(stderr,"couldn't allocate raw socket\n");
return (-1);
}
sprintf(sck_addr,"%s",ipx_ntoa(sipx.sipx_addr));
sprintf(src_addr,"%s",ipx_ntoa(ipxheader->ipx_sna));
sprintf(dst_addr,"%s",ipx_ntoa(ipxheader->ipx_dna));
if((err=sendto(sock, buffer, sizeof(struct ipx)+IPX_DATA_LEN, 0, (struct sockad
dr *) &sipx, sizeof(struct sockaddr_ipx)))==-1)
{
fprintf(stderr,"couldn't send packet\n");
fprintf(stderr,"%s : %s -> %s\n",sck_addr,src_addr,dst_addr);
switch(errno)
{
case EBADF: { fprintf(stderr,"EBADF\n"); break; }
case EACCES: { fprintf(stderr,"EACCES\n"); break;}
case ENOTSOCK: { fprintf(stderr,"ENOTSOCK\n");break;}
case EFAULT: { fprintf(stderr,"EFAULT\n"); break;}
case EMSGSIZE: { fprintf(stderr,"EMSGSIZE\n"); break;}
case EAGAIN: { fprintf(stderr,"EAGAIN\n"); break;}
case ENOBUFS: { fprintf(stderr,"ENOBUFS\n"); break;}
case EHOSTUNREACH: { fprintf(stderr,"EHOSTUNREACH\n"); break;}
default: { fprintf(stderr,"%d: unknown error\n",errno); break;}
}
return (-1);
}
fprintf(stderr,"IPX packet was sent:\n%s : %s -> %s\n",sck_addr,src_addr,dst_ad
dr);
return (0);
}
--_=XFMail.1.2.p0.FreeBSD:980205002316:9663=_--
End of MIME message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?XFMail.980205002320.J.Klaus>