| alias_proxy.c (99207) | alias_proxy.c (108533) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Charles Mott <cm@linktel.net> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2001 Charles Mott <cm@linktel.net> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/netinet/libalias/alias_proxy.c 99207 2002-07-01 11:19:40Z brian $"); | 28__FBSDID("$FreeBSD: head/sys/netinet/libalias/alias_proxy.c 108533 2003-01-01 18:49:04Z schweikh $"); |
| 29 30/* file: alias_proxy.c 31 32 This file encapsulates special operations related to transparent 33 proxy redirection. This is where packets with a particular destination, 34 usually tcp port 80, are redirected to a proxy server. 35 36 When packets are proxied, the destination address and port are 37 modified. In certain cases, it is necessary to somehow encode 38 the original address/port info into the packet. Two methods are 39 presently supported: addition of a [DEST addr port] string at the | 29 30/* file: alias_proxy.c 31 32 This file encapsulates special operations related to transparent 33 proxy redirection. This is where packets with a particular destination, 34 usually tcp port 80, are redirected to a proxy server. 35 36 When packets are proxied, the destination address and port are 37 modified. In certain cases, it is necessary to somehow encode 38 the original address/port info into the packet. Two methods are 39 presently supported: addition of a [DEST addr port] string at the |
| 40 beginning a of tcp stream, or inclusion of an optional field | 40 beginning of a tcp stream, or inclusion of an optional field |
| 41 in the IP header. 42 43 There is one public API function: 44 45 PacketAliasProxyRule() -- Adds and deletes proxy 46 rules. 47 48 Rules are stored in a linear linked list, so lookup efficiency --- 789 unchanged lines hidden --- | 41 in the IP header. 42 43 There is one public API function: 44 45 PacketAliasProxyRule() -- Adds and deletes proxy 46 rules. 47 48 Rules are stored in a linear linked list, so lookup efficiency --- 789 unchanged lines hidden --- |