135 protohandler_out(struct libalias *la, struct ip *pip, struct alias_data *ah)  in protohandler_out()  argument
138 	AliasHandleFtpOut(la, pip, ah->lnk, ah->maxpktsize);  in protohandler_out()
143 protohandler_in(struct libalias *la, struct ip *pip, struct alias_data *ah)  in protohandler_in()  argument
146 	AliasHandleFtpIn(la, pip, ah->lnk);  in protohandler_in()
224     struct ip *pip,		/* IP packet to examine/patch */  in AliasHandleFtpOut()  argument
235 	tc = (struct tcphdr *)ip_next(pip);  in AliasHandleFtpOut()
236 	hlen = (pip->ip_hl + tc->th_off) << 2;  in AliasHandleFtpOut()
237 	tlen = ntohs(pip->ip_len);  in AliasHandleFtpOut()
241 	sptr = (char *)pip;  in AliasHandleFtpOut()
268 				la->true_addr.s_addr = pip->ip_src.s_addr;  in AliasHandleFtpOut()
273 			NewFtpMessage(la, pip, lnk, maxpacketsize, ftp_message_type);  in AliasHandleFtpOut()
278 		sptr = (char *)pip;	/* start over at beginning */  in AliasHandleFtpOut()
279 		tlen = ntohs(pip->ip_len);	/* recalc tlen, pkt may  in AliasHandleFtpOut()
291     struct ip *pip,		/* IP packet to examine/patch */  in AliasHandleFtpIn()  argument
299 	tc = (struct tcphdr *)ip_next(pip);  in AliasHandleFtpIn()
300 	hlen = (pip->ip_hl + tc->th_off) << 2;  in AliasHandleFtpIn()
301 	tlen = ntohs(pip->ip_len);  in AliasHandleFtpIn()
305 	sptr = (char *)pip;  in AliasHandleFtpIn()
328 		sptr = (char *)pip;		/* start over at beginning */  in AliasHandleFtpIn()
329 		tlen = ntohs(pip->ip_len);	/* recalc tlen, pkt may  in AliasHandleFtpIn()
646 NewFtpMessage(struct libalias *la, struct ip *pip,  in NewFtpMessage()  argument
654 	if (pip->ip_src.s_addr != la->true_addr.s_addr)  in NewFtpMessage()
675 		tc = (struct tcphdr *)ip_next(pip);  in NewFtpMessage()
676 		hlen = (pip->ip_hl + tc->th_off) << 2;  in NewFtpMessage()
677 		tlen = ntohs(pip->ip_len);  in NewFtpMessage()
735 			sptr = (char *)pip;  in NewFtpMessage()
745 			tc = (struct tcphdr *)ip_next(pip);				  in NewFtpMessage()
747 			AddSeq(lnk, delta + slen - dlen, pip->ip_hl,   in NewFtpMessage()
748 			    pip->ip_len, tc->th_seq, tc->th_off);  in NewFtpMessage()
757 			DifferentialChecksum(&pip->ip_sum,  in NewFtpMessage()
759 			    &pip->ip_len,  in NewFtpMessage()
761 			pip->ip_len = new_len;  in NewFtpMessage()
769 		tc->th_sum = TcpChecksum(pip);  in NewFtpMessage()