X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/8c6fa3fbaccc22127280bf77a48fab5a3ee0716e..46b0747592074017ff0ea4b33d4a7194235886e5:/projects/stargazer/plugins/capture/cap_debug/tcp.c

diff --git a/projects/stargazer/plugins/capture/cap_debug/tcp.c b/projects/stargazer/plugins/capture/cap_debug/tcp.c
deleted file mode 100644
index ad39931d..00000000
--- a/projects/stargazer/plugins/capture/cap_debug/tcp.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/* $Id: tcp.c,v 1.2 2009/06/19 12:50:47 faust Exp $ 
-
-Copyright (C) 2002 Marc Kirchner <kirchner@stud.fh-heilbronn.de>
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This 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
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#include "libpal.h"
-#include "types.h" /* internal types */
-
-int
-pkt_tcp_header(struct packet *pkt,
-                unsigned short int sport,
-                unsigned short int dport,
-                unsigned int seq,
-                unsigned int ackseq,
-                unsigned char headerlen,
-                unsigned char reserved,
-                unsigned char flags,
-                unsigned short window,
-                unsigned short int checksum,
-                unsigned short int urgent)
-{
-	struct tcphdr *tcp;
-
-	if (!pkt)
-		return EPKTINVALPTR;
-	
-	tcp = (struct tcphdr *) pkt->pkt_ptr;
-	tcp->source = htons(sport);
-        tcp->dest = htons(dport);
-        tcp->seq = htonl(seq);
-        tcp->ack_seq = htonl(ackseq);
-        tcp->window = htons(window);
-        tcp->urg_ptr = htons(urgent);
-
-        tcp->doff = headerlen;
-        tcp->res1 = reserved;
-        if (flags) {
-                tcp->fin = ((flags & TH_FIN) != 0);
-                tcp->syn = ((flags & TH_SYN) != 0);
-                tcp->rst = ((flags & TH_RST) != 0);
-                tcp->psh = ((flags & TH_RST) != 0);
-                tcp->ack = ((flags & TH_ACK) != 0);
-                tcp->urg = ((flags & TH_URG) != 0);
-#  if __BYTE_ORDER == __LITTLE_ENDIAN
-                tcp->res2 = (flags & (TH_XMAS | TH_YMAS)) >> 6;
-#  elif __BYTE_ORDER == __BIG_ENDIAN
-                tcp->res2 = (flags & (TH_XMAS | TH_YMAS));
-#  else
-#   error "Adjust your <bits/endian.h> defines"
-#  endif
-        } else {
-                tcp->fin = 0; 
-                tcp->syn = 0;
-                tcp->rst = 0;
-                tcp->psh = 0; 
-                tcp->ack = 0;
-                tcp->urg = 0;
-                tcp->res2 = 0;
-        }
-	tcp->check = htons(checksum);
-	return 0;
-}
-
-int
-pkt_tcp_cksum(struct packet *pkt, char *saddr, char *daddr, 
-		unsigned int tcp_pkt_size)
-{
-	char *tosum;
-	struct pseudohdr *psh;
-	struct tcphdr *tcp;
-	struct in_addr addr;
-
-	if (!pkt || !saddr || !daddr)
-		return EPKTINVALPTR;
-	
-	if ((tcp_pkt_size + pkt->pkt_pos) > pkt->pkt_size -1)
-		return EPKTRANGE;
-	
-	if ((tosum = (char *) malloc(tcp_pkt_size+sizeof(struct pseudohdr))) != NULL) {
-		memset(tosum, 0, tcp_pkt_size+sizeof(struct pseudohdr));
-		psh = (struct pseudohdr *) tosum;
-		tcp = (struct tcphdr *) pkt->pkt_ptr;
-
-		tcp->check = 0;
-		
-		if (inet_pton(AF_INET, saddr, &addr) < 0)
-			return EERRNO;
-		psh->saddr = addr.s_addr;
-		if (inet_pton(AF_INET, daddr, &addr) < 0)
-			return EERRNO;
-		psh->daddr = addr.s_addr;
-		psh->zero = 0x00;
-		psh->protocol = IPPROTO_TCP;
-		psh->length = htons(tcp_pkt_size);
-		
-		memcpy(tosum + sizeof(struct pseudohdr), tcp, tcp_pkt_size);
-		tcp->check = in_cksum((unsigned short *)tosum, tcp_pkt_size + sizeof(struct pseudohdr));
-		free(tosum);
-		return 0;
-	} else
-		return EERRNO;
-}
-		
-int
-pkt_tcp_option(struct packet *pkt, unsigned char kind, 
-		unsigned char len, void *optval, size_t optlen)
-{
-	void *vp;
-	unsigned short int mss;
-
-	if (!pkt)
-		return EPKTINVALPTR;
-	
-	if ((pkt->pkt_size) < (pkt->pkt_pos+2+optlen))
-		return EPKTRANGE;
-	
-	vp = (void *)pkt->pkt_ptr;
-
-	memcpy(vp, &kind, 1);
-	char * p;
-	p = (char*)vp;
-	p++;
-	vp = p;
-	//vp++;
-	memcpy(vp, &len, 1);
-	//vp++;
-	p = (char*)vp;
-	p++;
-	vp = p;
-	if (kind == PKT_TCP_OPT_MSS) {
-		mss = htons(*(unsigned short int *)optval);
-		memcpy(vp, &mss, optlen);
-	} else if (kind ==  PKT_TCP_OPT_TIME) {
-		unsigned int time = htonl(*(unsigned int *)optval);
-		memcpy(vp, &time, optlen);
-	} else {
-		memcpy(vp, optval, optlen);
-	}
-	return 0;
-}