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This allows tinyproxy to respond to a request bound to the same
interface that the request came in on. As Oswald explains:
"attached is a patch that adds the BindSame option. it causes
binding an outgoing connection to the ip address of the respective
incoming connection. that way one can simulate an entire proxy farm
with a single instance of tinyproxy on a multi-homed machine."
Cool.
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this addition follow:
The patch implements a simple reverse proxy (with one funky extra
feature). It has all the regular features: mapping remote servers to local
namespace (ReversePath), disabling forward proxying (ReverseOnly) and HTTP
redirect rewriting (ReverseBaseURL).
The funky feature is this: You map Google to /google/ and the Google front
page opens up fine. Type in stuff and click "Google Search" and you'll get
an error from tinyproxy. Reason for this is that Google's form submits to
"/search" which unfortunately bypasses our /google/ mapping (if they'd
submit to "search" without the slash it would have worked ok). Turn on
ReverseMagic and it starts working....
ReverseMagic "hijacks" one cookie which it sends to the client browser.
This cookie contains the current reverse proxy path mapping (in the above
case /google/) so that even if the site uses absolute links the reverse
proxy still knows where to map the request.
And yes, it works. No, I've never seen this done before - I couldn't find
_any_ working OSS reverse proxies, and the commercial ones I've seen try
to parse the page and fix all links (in the above case changing "/search"
to "/google/search"). The problem with modifying the html is that it might
not be parsable (very common) or it might be encoded so that the proxy
can't read it (mod_gzip or likes).
Hope you like that patch. One caveat - I haven't coded with C in like
three years so my code might be a bit messy.... There shouldn't be any
security problems thou, but you never know. I did all the stuff out of my
memory without reading any RFC's, but I tested everything with Moz, Konq,
IE6, Links and Lynx and they all worked fine.
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manage the HTML error pages. It simplifies the source, and also make
the object file smaller. Nice. Also added any casting from (void*)
to ensure that the code compiles using a C++ compiler.
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"ViaProxyName" directive. The "Via" HTTP header is _required_ by the
HTTP spec, so the code has been changed to always send the header.
However, including the proxy's host name could be considered a
security threat, so the "ViaProxyName" directive is used to set the
token sent in the "Via" header. If the directive is not enabled the
proxy's host name will be used.
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(upstream_add): Added support to allow ip addresses and networks to be
used when matching an upstream proxy directive.
[Code by Peter da Silva]
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server configurable based on the destination host. [Code written by
Peter da Silva]
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displayed for various HTTP errors and the stats page. [Steven Young]
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Code changes from James E. Flemer.
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The type was just replaced by "unsigned int" types.
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controlled by the ViaHeader configure directive.
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tinyproxy. There is really no need for this code, since there are
perfectly good programs out there (like rinetd) which are designed for
TCP tunnelling. tinyproxy should be a good HTTP proxy, nothing more,
and nothing less; therefore, the tunnelling code is gone.
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renamed the "log_rotation_request" boolean to "received_sighup".
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file has not been read yet. The reason for this is that we don't know
where to log the messgaes until _after_ the config file has been
processed.
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function. The signal handler now simply sets a flag which is monitored
inside the thread_main_loop() function. The log rotation code has also
been tightened to handle any error conditions better. Credit to Petr
Lampa for suggesting that system functions inside of a signal handler is
bad magic.
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stdlib.h then try including malloc.h. Maybe this will allow clean
compiling on some platforms.
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it's available before we try to include it.
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test for the MSG_NOSIGNAL define.
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the system.
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tinyproxy.h and all the other files include the tinyproxy.h header. This
moves all the dependancy issues into one file.
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store the creation/destruction and definition of the connection structure.
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handle SSL connections.
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safecalloc.
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anonymous.c file.
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headers.
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Changed all references to log() to log_message().
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header available on all systems.
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Log when tinyproxy is using default values rather than specific ones.
Cleaned up the command line arguments since tinyproxy now uses a
configuration file.
Removed the USR1 signal and added the thread creation code.
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anonymous.*
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which included commits to RCS files with non-trunk default branches.
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