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authorDag-Erling Smørgrav <des@FreeBSD.org>2004-07-05 10:53:28 +0000
committerDag-Erling Smørgrav <des@FreeBSD.org>2004-07-05 10:53:28 +0000
commitf311ebb4ec205d59f36b71b24e8695cbb19a31ac (patch)
treeedafb583425323ab9b59562492a624301104a303 /lib/libalias
parent1af1ea79a8a0352d70e7eeb1d1674c30907c2bbb (diff)
downloadsrc-f311ebb4ec205d59f36b71b24e8695cbb19a31ac.tar.gz
src-f311ebb4ec205d59f36b71b24e8695cbb19a31ac.zip
Notes
Diffstat (limited to 'lib/libalias')
-rw-r--r--lib/libalias/alias.c84
-rw-r--r--lib/libalias/alias_db.c120
-rw-r--r--lib/libalias/alias_ftp.c16
-rw-r--r--lib/libalias/alias_irc.c8
-rw-r--r--lib/libalias/alias_proxy.c22
-rw-r--r--lib/libalias/alias_util.c2
6 files changed, 126 insertions, 126 deletions
diff --git a/lib/libalias/alias.c b/lib/libalias/alias.c
index 326b8c0338ad..027c7e4ee4c8 100644
--- a/lib/libalias/alias.c
+++ b/lib/libalias/alias.c
@@ -47,56 +47,56 @@ __FBSDID("$FreeBSD$");
Version 1.0 August, 1996 (cjm)
Version 1.1 August 20, 1996 (cjm)
- PPP host accepts incoming connections for ports 0 to 1023.
- (Gary Roberts pointed out the need to handle incoming
- connections.)
+ PPP host accepts incoming connections for ports 0 to 1023.
+ (Gary Roberts pointed out the need to handle incoming
+ connections.)
Version 1.2 September 7, 1996 (cjm)
- Fragment handling error in alias_db.c corrected.
- (Tom Torrance helped fix this problem.)
+ Fragment handling error in alias_db.c corrected.
+ (Tom Torrance helped fix this problem.)
Version 1.4 September 16, 1996 (cjm)
- - A more generalized method for handling incoming
- connections, without the 0-1023 restriction, is
- implemented in alias_db.c
- - Improved ICMP support in alias.c. Traceroute
- packet streams can now be correctly aliased.
- - TCP connection closing logic simplified in
- alias.c and now allows for additional 1 minute
- "grace period" after FIN or RST is observed.
+ - A more generalized method for handling incoming
+ connections, without the 0-1023 restriction, is
+ implemented in alias_db.c
+ - Improved ICMP support in alias.c. Traceroute
+ packet streams can now be correctly aliased.
+ - TCP connection closing logic simplified in
+ alias.c and now allows for additional 1 minute
+ "grace period" after FIN or RST is observed.
Version 1.5 September 17, 1996 (cjm)
- Corrected error in handling incoming UDP packets with 0 checksum.
- (Tom Torrance helped fix this problem.)
+ Corrected error in handling incoming UDP packets with 0 checksum.
+ (Tom Torrance helped fix this problem.)
Version 1.6 September 18, 1996 (cjm)
- Simplified ICMP aliasing scheme. Should now support
- traceroute from Win95 as well as FreeBSD.
+ Simplified ICMP aliasing scheme. Should now support
+ traceroute from Win95 as well as FreeBSD.
Version 1.7 January 9, 1997 (cjm)
- - Out-of-order fragment handling.
- - IP checksum error fixed for ftp transfers
- from aliasing host.
- - Integer return codes added to all
- aliasing/de-aliasing functions.
- - Some obsolete comments cleaned up.
- - Differential checksum computations for
- IP header (TCP, UDP and ICMP were already
- differential).
+ - Out-of-order fragment handling.
+ - IP checksum error fixed for ftp transfers
+ from aliasing host.
+ - Integer return codes added to all
+ aliasing/de-aliasing functions.
+ - Some obsolete comments cleaned up.
+ - Differential checksum computations for
+ IP header (TCP, UDP and ICMP were already
+ differential).
Version 2.1 May 1997 (cjm)
- - Added support for outgoing ICMP error
- messages.
- - Added two functions PacketAliasIn2()
- and PacketAliasOut2() for dynamic address
- control (e.g. round-robin allocation of
- incoming packets).
+ - Added support for outgoing ICMP error
+ messages.
+ - Added two functions PacketAliasIn2()
+ and PacketAliasOut2() for dynamic address
+ control (e.g. round-robin allocation of
+ incoming packets).
Version 2.2 July 1997 (cjm)
- - Rationalized API function names to begin
- with "PacketAlias..."
- - Eliminated PacketAliasIn2() and
- PacketAliasOut2() as poorly conceived.
+ - Rationalized API function names to begin
+ with "PacketAlias..."
+ - Eliminated PacketAliasIn2() and
+ PacketAliasOut2() as poorly conceived.
Version 2.3 Dec 1998 (dillon)
- Major bounds checking additions, see FreeBSD/CVS
@@ -1079,12 +1079,12 @@ FragmentOut(struct libalias *la, struct ip *pip)
/* Outside World Access
- PacketAliasSaveFragment()
- PacketAliasGetFragment()
- PacketAliasFragmentIn()
- PacketAliasIn()
- PacketAliasOut()
- PacketUnaliasOut()
+ PacketAliasSaveFragment()
+ PacketAliasGetFragment()
+ PacketAliasFragmentIn()
+ PacketAliasIn()
+ PacketAliasOut()
+ PacketUnaliasOut()
(prototypes in alias.h)
*/
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
*/
diff --git a/lib/libalias/alias_ftp.c b/lib/libalias/alias_ftp.c
index 91d49525bc75..2a7def7bc433 100644
--- a/lib/libalias/alias_ftp.c
+++ b/lib/libalias/alias_ftp.c
@@ -50,17 +50,17 @@ __FBSDID("$FreeBSD$");
Initial version: August, 1996 (cjm)
Version 1.6
- Brian Somers and Martin Renters identified an IP checksum
- error for modified IP packets.
+ Brian Somers and Martin Renters identified an IP checksum
+ error for modified IP packets.
Version 1.7: January 9, 1996 (cjm)
- Differential checksum computation for change
- in IP packet length.
+ Differential checksum computation for change
+ in IP packet length.
Version 2.1: May, 1997 (cjm)
- Very minor changes to conform with
- local/global/function naming conventions
- within the packet aliasing module.
+ Very minor changes to conform with
+ local/global/function naming conventions
+ within the packet aliasing module.
Version 3.1: May, 2000 (eds)
Add support for passive mode, alias the 227 replies.
@@ -106,7 +106,7 @@ AliasHandleFtpOut(
struct ip *pip, /* IP packet to examine/patch */
struct alias_link *link, /* The link to go through (aliased port) */
int maxpacketsize /* The maximum size this packet can grow to
- (including headers) */ )
+ (including headers) */ )
{
int hlen, tlen, dlen, pflags;
char *sptr;
diff --git a/lib/libalias/alias_irc.c b/lib/libalias/alias_irc.c
index 5785e54a7594..7b3d030d1a39 100644
--- a/lib/libalias/alias_irc.c
+++ b/lib/libalias/alias_irc.c
@@ -41,10 +41,10 @@ __FBSDID("$FreeBSD$");
Initial version: Eivind Eklund <perhaps@yes.no> (ee) 97-01-29
- Version 2.1: May, 1997 (cjm)
- Very minor changes to conform with
- local/global/function naming conventions
- withing the packet alising module.
+ Version 2.1: May, 1997 (cjm)
+ Very minor changes to conform with
+ local/global/function naming conventions
+ withing the packet alising module.
*/
/* Includes */
diff --git a/lib/libalias/alias_proxy.c b/lib/libalias/alias_proxy.c
index cdbe32d1c0aa..ceb9119dac95 100644
--- a/lib/libalias/alias_proxy.c
+++ b/lib/libalias/alias_proxy.c
@@ -42,8 +42,8 @@ __FBSDID("$FreeBSD$");
There is one public API function:
- PacketAliasProxyRule() -- Adds and deletes proxy
- rules.
+ PacketAliasProxyRule() -- Adds and deletes proxy
+ rules.
Rules are stored in a linear linked list, so lookup efficiency
won't be too good for large lists.
@@ -118,19 +118,19 @@ struct proxy_entry {
/* Local (static) functions:
IpMask() -- Utility function for creating IP
- masks from integer (1-32) specification.
+ masks from integer (1-32) specification.
IpAddr() -- Utility function for converting string
- to IP address
+ to IP address
IpPort() -- Utility function for converting string
- to port number
+ to port number
RuleAdd() -- Adds an element to the rule list.
RuleDelete() -- Removes an element from the rule list.
RuleNumberDelete() -- Removes all elements from the rule list
- having a certain rule number.
+ having a certain rule number.
ProxyEncodeTcpStream() -- Adds [DEST x.x.x.x xxxx] to the beginning
- of a TCP stream.
+ of a TCP stream.
ProxyEncodeIpHeader() -- Adds an IP option indicating the true
- destination of a proxied IP packet
+ destination of a proxied IP packet
*/
static int IpMask(int, struct in_addr *);
@@ -431,10 +431,10 @@ ProxyEncodeIpHeader(struct ip *pip,
/* Functions by other packet alias source files
ProxyCheck() -- Checks whether an outgoing packet should
- be proxied.
+ be proxied.
ProxyModify() -- Encodes the original destination address/port
- for a packet which is to be redirected to
- a proxy server.
+ for a packet which is to be redirected to
+ a proxy server.
*/
int
diff --git a/lib/libalias/alias_util.c b/lib/libalias/alias_util.c
index bec0ba7dea68..574d4ed7d091 100644
--- a/lib/libalias/alias_util.c
+++ b/lib/libalias/alias_util.c
@@ -40,7 +40,7 @@ __FBSDID("$FreeBSD$");
Initial Version: August, 1996 (cjm)
Version 1.7: January 9, 1997
- Added differential checksum update function.
+ Added differential checksum update function.
*/
/*