netinet/libalias/alias_db.c

5  * Redistribution and use in source and binary forms, with or without
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
33     access data through functions provided in this file.
46     there is an incomplete connection, in which case the link
68 	Fixed data type error in StartPoint().
79 	control (which is now available in PPP+pktAlias through the
113 	array, which kept track of which ports were in use was replaced
119 	to a fragment (this bug was first recognized by E. Eklund in
190 /* Timeouts (in seconds) for different link types */
199    allow ACKs and potential re-connect in FTP (XXX - is this allowed?)  */
232     The fundamental data structure used in this program is
244     A state field is used to keep track in changes to the TCP
246     stored in the auxiliary space.  Pointers to unresolved
266 	int		in;	/* State for outside -> inside             */
371 /* Internal utility routines (used only in alias_db.c)
448     This function is encapsulated in case there are any unusual
523     IncrementalCleanup()    - look for stale links in a single chain
567    is already in use, that does not mean that it cannot be used by
584    without check that it is in use.
601 			 * this is already in use, the remainder of the
720    is already in use, that does not mean that it cannot be used by
766 		 * in use, the remainder of the trials will be random.
1009 				aux_tcp->state.in = ALIAS_TCP_STATE_NOT_CONNECTED;
1158 		 * address) without knowing in advance what that address
1304 		 * interface address) without knowing in advance what that
1332 (prototypes in alias_local.h)
1822 	lnk->data.tcp->state.in = state;
1832 		if (lnk->data.tcp->state.in != ALIAS_TCP_STATE_CONNECTED)
1838 		if (lnk->data.tcp->state.in == ALIAS_TCP_STATE_CONNECTED)
1856 	return (lnk->data.tcp->state.in);
1938 /* Indicate that ACK numbers have been modified in a TCP connection */
2070 When a TCP packet has been altered in length, save this
2071 information in a circular list.  If enough packets have
2111 		fprintf(stderr, "error in expire parameter\n");
2164     (prototype in alias_local.h)
2177 	 * Save system time (seconds) in global variable timeStamp for use
2202 		fprintf(stderr, "something unexpected in time values\n");
2262 (prototypes in alias.h)
2431 /* This is a dangerous function to put in the API,
2600 /* Start punching holes in the firewall? */
2604 /* Stop punching holes in the firewall? */
2634   Code to support firewall punching.  This shouldn't really be in this
2647  * the new command in case it has been clobbered before.
2833 /* Remove a hole in a firewall associated with a particular alias