diff options
Diffstat (limited to 'lib/libalias/alias_db.c')
| -rw-r--r-- | lib/libalias/alias_db.c | 120 |
1 files changed, 60 insertions, 60 deletions
diff --git a/lib/libalias/alias_db.c b/lib/libalias/alias_db.c index 039db039311d..31f669d3d594 100644 --- a/lib/libalias/alias_db.c +++ b/lib/libalias/alias_db.c @@ -50,92 +50,92 @@ __FBSDID("$FreeBSD$"); Initial version: August, 1996 (cjm) Version 1.4: September 16, 1996 (cjm) - Facility for handling incoming links added. + Facility for handling incoming links added. Version 1.6: September 18, 1996 (cjm) - ICMP data handling simplified. + ICMP data handling simplified. Version 1.7: January 9, 1997 (cjm) - Fragment handling simplified. - Saves pointers for unresolved fragments. - Permits links for unspecified remote ports - or unspecified remote addresses. - Fixed bug which did not properly zero port - table entries after a link was deleted. - Cleaned up some obsolete comments. + Fragment handling simplified. + Saves pointers for unresolved fragments. + Permits links for unspecified remote ports + or unspecified remote addresses. + Fixed bug which did not properly zero port + table entries after a link was deleted. + Cleaned up some obsolete comments. Version 1.8: January 14, 1997 (cjm) - Fixed data type error in StartPoint(). - (This error did not exist prior to v1.7 - and was discovered and fixed by Ari Suutari) + Fixed data type error in StartPoint(). + (This error did not exist prior to v1.7 + and was discovered and fixed by Ari Suutari) Version 1.9: February 1, 1997 - Optionally, connections initiated from packet aliasing host - machine will will not have their port number aliased unless it - conflicts with an aliasing port already being used. (cjm) + Optionally, connections initiated from packet aliasing host + machine will will not have their port number aliased unless it + conflicts with an aliasing port already being used. (cjm) - All options earlier being #ifdef'ed are now available through - a new interface, SetPacketAliasMode(). This allows run time - control (which is now available in PPP+pktAlias through the - 'alias' keyword). (ee) + All options earlier being #ifdef'ed are now available through + a new interface, SetPacketAliasMode(). This allows run time + control (which is now available in PPP+pktAlias through the + 'alias' keyword). (ee) - Added ability to create an alias port without - either destination address or port specified. - port type = ALIAS_PORT_UNKNOWN_DEST_ALL (ee) + Added ability to create an alias port without + either destination address or port specified. + port type = ALIAS_PORT_UNKNOWN_DEST_ALL (ee) - Removed K&R style function headers - and general cleanup. (ee) + Removed K&R style function headers + and general cleanup. (ee) - Added packetAliasMode to replace compiler #defines's (ee) + Added packetAliasMode to replace compiler #defines's (ee) - Allocates sockets for partially specified - ports if ALIAS_USE_SOCKETS defined. (cjm) + Allocates sockets for partially specified + ports if ALIAS_USE_SOCKETS defined. (cjm) Version 2.0: March, 1997 - SetAliasAddress() will now clean up alias links - if the aliasing address is changed. (cjm) + SetAliasAddress() will now clean up alias links + if the aliasing address is changed. (cjm) - PacketAliasPermanentLink() function added to support permanent - links. (J. Fortes suggested the need for this.) - Examples: + PacketAliasPermanentLink() function added to support permanent + links. (J. Fortes suggested the need for this.) + Examples: - (192.168.0.1, port 23) <-> alias port 6002, unknown dest addr/port + (192.168.0.1, port 23) <-> alias port 6002, unknown dest addr/port - (192.168.0.2, port 21) <-> alias port 3604, known dest addr - unknown dest port + (192.168.0.2, port 21) <-> alias port 3604, known dest addr + unknown dest port - These permanent links allow for incoming connections to - machines on the local network. They can be given with a - user-chosen amount of specificity, with increasing specificity - meaning more security. (cjm) + These permanent links allow for incoming connections to + machines on the local network. They can be given with a + user-chosen amount of specificity, with increasing specificity + meaning more security. (cjm) - Quite a bit of rework to the basic engine. The portTable[] - array, which kept track of which ports were in use was replaced - by a table/linked list structure. (cjm) + Quite a bit of rework to the basic engine. The portTable[] + array, which kept track of which ports were in use was replaced + by a table/linked list structure. (cjm) - SetExpire() function added. (cjm) + SetExpire() function added. (cjm) - DeleteLink() no longer frees memory association with a pointer - to a fragment (this bug was first recognized by E. Eklund in - v1.9). + DeleteLink() no longer frees memory association with a pointer + to a fragment (this bug was first recognized by E. Eklund in + v1.9). Version 2.1: May, 1997 (cjm) - Packet aliasing engine reworked so that it can handle - multiple external addresses rather than just a single - host address. + Packet aliasing engine reworked so that it can handle + multiple external addresses rather than just a single + host address. - PacketAliasRedirectPort() and PacketAliasRedirectAddr() - added to the API. The first function is a more generalized - version of PacketAliasPermanentLink(). The second function - implements static network address translation. + PacketAliasRedirectPort() and PacketAliasRedirectAddr() + added to the API. The first function is a more generalized + version of PacketAliasPermanentLink(). The second function + implements static network address translation. Version 3.2: July, 2000 (salander and satoh) - Added FindNewPortGroup to get contiguous range of port values. + Added FindNewPortGroup to get contiguous range of port values. - Added QueryUdpTcpIn and QueryUdpTcpOut to look for an aliasing + Added QueryUdpTcpIn and QueryUdpTcpOut to look for an aliasing link but not actually add one. - Added FindRtspOut, which is closely derived from FindUdpTcpOut, + Added FindRtspOut, which is closely derived from FindUdpTcpOut, except that the alias port (from FindNewPortGroup) is provided as input. @@ -170,7 +170,7 @@ static LIST_HEAD(, libalias) instancehead = LIST_HEAD_INITIALIZER(instancehead) /* Constants (note: constants are also defined - near relevant functions or structs) + near relevant functions or structs) */ /* Parameters used for cleanup of expired links */ @@ -331,9 +331,9 @@ struct alias_link { /* Main data structure */ Lookup table starting points: StartPointIn() -- link table initial search point for - incoming packets + incoming packets StartPointOut() -- link table initial search point for - outgoing packets + outgoing packets Miscellaneous: SeqDiff() -- difference between two TCP sequences @@ -2640,7 +2640,7 @@ PunchFWHole(struct alias_link *link) /* * generate two rules of the form - * + * * add fwhole accept tcp from OAddr OPort to DAddr DPort add fwhole * accept tcp from DAddr DPort to OAddr OPort */ |