From owner-freebsd-questions  Thu Mar 25  7:14:59 1999
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From: "Anton Kondakov" <slayer@rpts.donpac.ru>
To: <freebsd-questions@freebsd.org>
Subject: Raw sockets
Date: Thu, 25 Mar 1999 18:15:20 +0300
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May I receive TCP packets from raw socket?
This code don't work :(

if ((rs = socket(AF_INET,SOCK_RAW,IPPROTO_TCP))==-1) exit(1);
soc.sin_family = AF_INET;
soc.sin_addr.s_addr = INADDR_ANY;
soc.sin_port = SRC_PORT;
if (!bind(rs,(struct sockaddr *)&soc,sizeof(soc))) exit(1);
buf = malloc(PKT_SIZE);
sz = sizeof(psoc);
p = recvfrom(rs,buf,PKT_SIZE,0,(struct sockaddr *)&psoc,&sz);

P.S. code running under root account (FreeBSD 2.2.8)





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