131 protohandler_out(struct libalias *la, struct ip *pip, struct alias_data *ah)  in protohandler_out()  argument
133 	AliasHandleFtpOut(la, pip, ah->lnk, ah->maxpktsize);  in protohandler_out()
138 protohandler_in(struct libalias *la, struct ip *pip, struct alias_data *ah)  in protohandler_in()  argument
140 	AliasHandleFtpIn(la, pip, ah->lnk);  in protohandler_in()
218     struct ip *pip,		/* IP packet to examine/patch */  in AliasHandleFtpOut()  argument
229 	tc = (struct tcphdr *)ip_next(pip);  in AliasHandleFtpOut()
230 	hlen = (pip->ip_hl + tc->th_off) << 2;  in AliasHandleFtpOut()
231 	tlen = ntohs(pip->ip_len);  in AliasHandleFtpOut()
235 	sptr = (char *)pip;  in AliasHandleFtpOut()
258 				la->true_addr.s_addr = pip->ip_src.s_addr;  in AliasHandleFtpOut()
263 			NewFtpMessage(la, pip, lnk, maxpacketsize, ftp_message_type);  in AliasHandleFtpOut()
268 		sptr = (char *)pip;	/* start over at beginning */  in AliasHandleFtpOut()
269 		tlen = ntohs(pip->ip_len); /* recalc tlen, pkt may have grown */  in AliasHandleFtpOut()
280     struct ip *pip,		/* IP packet to examine/patch */  in AliasHandleFtpIn()  argument
288 	tc = (struct tcphdr *)ip_next(pip);  in AliasHandleFtpIn()
289 	hlen = (pip->ip_hl + tc->th_off) << 2;  in AliasHandleFtpIn()
290 	tlen = ntohs(pip->ip_len);  in AliasHandleFtpIn()
294 	sptr = (char *)pip;  in AliasHandleFtpIn()
317 		sptr = (char *)pip;		/* start over at beginning */  in AliasHandleFtpIn()
318 		tlen = ntohs(pip->ip_len);	/* recalc tlen, pkt may  in AliasHandleFtpIn()
634 NewFtpMessage(struct libalias *la, struct ip *pip,  in NewFtpMessage()  argument
642 	if (pip->ip_src.s_addr != la->true_addr.s_addr)  in NewFtpMessage()
663 		tc = (struct tcphdr *)ip_next(pip);  in NewFtpMessage()
664 		hlen = (pip->ip_hl + tc->th_off) << 2;  in NewFtpMessage()
665 		tlen = ntohs(pip->ip_len);  in NewFtpMessage()
723 			sptr = (char *)pip;  in NewFtpMessage()
733 			tc = (struct tcphdr *)ip_next(pip);  in NewFtpMessage()
735 			AddSeq(lnk, delta + slen - dlen, pip->ip_hl,  in NewFtpMessage()
736 			    pip->ip_len, tc->th_seq, tc->th_off);  in NewFtpMessage()
745 			DifferentialChecksum(&pip->ip_sum,  in NewFtpMessage()
747 			    &pip->ip_len,  in NewFtpMessage()
749 			pip->ip_len = new_len;  in NewFtpMessage()
757 		tc->th_sum = TcpChecksum(pip);  in NewFtpMessage()