netinet/libalias/alias_ftp.c

109 fingerprint_out(struct libalias *la, struct alias_data *ah)
122 fingerprint_in(struct libalias *la, struct alias_data *ah)
134 protohandler_out(struct libalias *la, struct ip *pip, struct alias_data *ah)
137 	AliasHandleFtpOut(la, pip, ah->lnk, ah->maxpktsize);
143 protohandler_in(struct libalias *la, struct ip *pip, struct alias_data *ah)
146 	AliasHandleFtpIn(la, pip, ah->lnk);
215 static int	ParseFtpPortCommand(struct libalias *la, char *, int);
216 static int	ParseFtpEprtCommand(struct libalias *la, char *, int);
217 static int	ParseFtp227Reply(struct libalias *la, char *, int);
218 static int	ParseFtp229Reply(struct libalias *la, char *, int);
219 static void	NewFtpMessage(struct libalias *la, struct ip *, struct alias_link *, int, int);
223     struct libalias *la,
256 			if (ParseFtpPortCommand(la, sptr, dlen))
258 			else if (ParseFtpEprtCommand(la, sptr, dlen))
264 			if (ParseFtp227Reply(la, sptr, dlen))
266 			else if (ParseFtp229Reply(la, sptr, dlen)) {
268 				la->true_addr.s_addr = pip->ip_src.s_addr;
273 			NewFtpMessage(la, pip, lnk, maxpacketsize, ftp_message_type);
290 AliasHandleFtpIn(struct libalias *la,
315 	    (ParseFtpPortCommand(la, sptr, dlen) != 0 ||
316 	     ParseFtpEprtCommand(la, sptr, dlen) != 0)) {
322 		AddLink(la, GetOriginalAddress(lnk), la->true_addr,
324 		    htons(la->true_port), GET_ALIAS_PORT, IPPROTO_TCP);
341 ParseFtpPortCommand(struct libalias *la, char *sptr, int dlen)
406 		la->true_addr.s_addr = htonl(addr);
407 		la->true_port = port;
414 ParseFtpEprtCommand(struct libalias *la, char *sptr, int dlen)
496 		la->true_addr.s_addr = htonl(addr);
497 		la->true_port = port;
504 ParseFtp227Reply(struct libalias *la, char *sptr, int dlen)
569 		la->true_port = port;
570 		la->true_addr.s_addr = htonl(addr);
577 ParseFtp229Reply(struct libalias *la, char *sptr, int dlen)
639 		la->true_port = port;
646 NewFtpMessage(struct libalias *la, struct ip *pip,
654 	if (pip->ip_src.s_addr != la->true_addr.s_addr)
657 	if (la->true_port < IPPORT_RESERVED)
661 	ftp_lnk = AddLink(la, la->true_addr, GetDestAddress(lnk),
662 	    GetAliasAddress(lnk), htons(la->true_port), 0, GET_ALIAS_PORT,