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ChangeLog for Privoxy
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-*** Version 3.0.13 (UNRELEASED) ***
+*** Version 3.0.19 Stable ***
+- Bug fixes:
+ - Prevent a segmentation fault when de-chunking buffered content.
+ It could be triggered by malicious web servers if Privoxy was
+ configured to filter the content and running on a platform
+ where SIZE_T_MAX isn't larger than UINT_MAX, which probably
+ includes most 32-bit systems. On those platforms, all Privoxy
+ versions before 3.0.19 appear to be affected.
+ To be on the safe side, this bug should be presumed to allow
+ code execution as proving that it doesn't seems unrealistic.
+ - Do not expect a response from the SOCKS4/4A server until it
+ got something to respond to. This regression was introduced
+ in 3.0.18 and prevented the SOCKS4/4A negotiation from working.
+ Reported by qqqqqw in #3459781.
+
+- General improvements:
+ - Fix an off-by-one in an error message about connect failures.
+ - Use a GNUMakefile variable for the webserver root directory and
+ update the path. Sourceforge changed it which broke various
+ web-related targets.
+ - Update the CODE_STATUS description.
+
+*** Version 3.0.18 Stable ***
+
+- Bug fixes:
+ - If a generated redirect URL contains characters RFC 3986 doesn't
+ permit, they are (re)encoded. Not doing this makes Privoxy versions
+ from 3.0.5 to 3.0.17 susceptible to HTTP response splitting (CWE-113)
+ attacks if the +fast-redirects{check-decoded-url} action is used.
+ - Fix a logic bug that could cause Privoxy to reuse a server
+ socket after it got tainted by a server-header-tagger-induced
+ block that was triggered before the whole server response had
+ been read. If keep-alive was enabled and the request following
+ the blocked one was to the same host and using the same forwarding
+ settings, Privoxy would send it on the tainted server socket.
+ While the server would simply treat it as a pipelined request,
+ Privoxy would later on fail to properly parse the server's
+ response as it would try to parse the unread data from the
+ first response as server headers for the second one.
+ Regression introduced in 3.0.17.
+ - When implying keep-alive in client_connection(), remember that
+ the client didn't. Fixes a regression introduced in 3.0.13 that
+ would cause Privoxy to wait for additional client requests after
+ receiving a HTTP/1.1 request with "Connection: close" set
+ and connection sharing enabled.
+ With clients which terminates the client connection after detecting
+ that the whole body has been received it doesn't really matter,
+ but with clients that don't the connection would be kept open until
+ it timed out.
+ - Fix a subtle race condition between prepare_csp_for_next_request()
+ and sweep(). A thread preparing itself for the next client request
+ could briefly appear to be inactive.
+ If all other threads were already using more recent files,
+ the thread could get its files swept away under its feet.
+ So far this has only been reproduced while stress testing in
+ valgrind while touching action files in a loop. It's unlikely
+ to have caused any actual problems in the real world.
+ - Disable filters if SDCH compression is used unless filtering is forced.
+ If SDCH was combined with a supported compression algorithm, Privoxy
+ previously could try to decompress it and ditch the Content-Encoding
+ header even though the SDCH compression wasn't dealt with.
+ Reported by zebul666 in #3225863.
+ - Make a copy of the --user value and only mess with that when splitting
+ user and group. On some operating systems modifying the value directly
+ is reflected in the output of ps and friends and can be misleading.
+ Reported by zepard in #3292710.
+ - If forwarded-connect-retries is set, only retry if Privoxy is actually
+ forwarding the request. Previously direct connections would be retried
+ as well.
+ - Fixed a small memory leak when retrying connections with IPv6
+ support enabled.
+ - Remove an incorrect assertion in compile_dynamic_pcrs_job_list()
+ It could be triggered by a pcrs job with an invalid pcre
+ pattern (for example one that contains a lone quantifier).
+ - If the --user argument user[.group] contains a dot, always bail out
+ if no group has been specified. Previously the intended, but undocumented
+ (and apparently untested), behaviour was to try interpreting the whole
+ argument as user name, but the detection was flawed and checked for '0'
+ instead of '\0', thus merely preventing group names beginning with a zero.
+ - In html_code_map[], use a numeric character reference instead of '
+ which wasn't standardized before XHTML 1.0.
+ - Fix an invalid free when compiled with FEATURE_GRACEFUL_TERMINATION
+ and shut down through http://config.privoxy.org/die
+ - In get_actions(), fix the "temporary" backwards compatibility hack
+ to accept block actions without reason.
+ It also covered other actions that should be rejected as invalid.
+ Reported by Billy Crook.
+
+- General improvements:
+ - Privoxy can (re)compress buffered content before delivering
+ it to the client. Disabled by default as most users wouldn't
+ benefit from it.
+ - The +fast-redirects{check-decoded-url} action checks URL
+ segments separately. If there are other parameters behind
+ the redirect URL, this makes it unnecessary to cut them off
+ by additionally using a +redirect{} pcrs command.
+ Initial patch submitted by Jamie Zawinski in #3429848.
+ - When loading action sections, verify that the referenced filters
+ exist. Currently missing filters only result in an error message,
+ but eventually the severity will be upgraded to fatal.
+ - Allow to bind to multiple separate addresses.
+ Patch set submitted by Petr Pisar in #3354485.
+ - Set socket_error to errno if connecting fails in rfc2553_connect_to().
+ Previously rejected direct connections could be incorrectly reported
+ as DNS issues if Privoxy was compiled with IPv6 support.
+ - Adjust url_code_map[] so spaces are replaced with %20 instead of '+'
+ While '+' can be used by client's submitting form data, this is not
+ actually what Privoxy is using the lookups for. This is more of a
+ cosmetic issue and doesn't fix any known problems.
+ - When compiled without FEATURE_FAST_REDIRECTS, do not silently
+ ignore +fast-redirect{} directives
+ - Added a workaround for GNU libc's strptime() reporting negative
+ year values when the parsed year is only specified with two digits.
+ On affected systems cookies with such a date would not be turned
+ into session cookies by the +session-cookies-only action.
+ Reported by Vaeinoe in #3403560
+ - Fixed bind failures with certain GNU libc versions if no non-loopback
+ IP address has been configured on the system. This is mainly an issue
+ if the system is using DHCP and Privoxy is started before the network
+ is completely configured.
+ Reported by Raphael Marichez in #3349356.
+ Additional insight from Petr Pisar.
+ - Privoxy log messages now use the ISO 8601 date format %Y-%m-%d.
+ It's only slightly longer than the old format, but contains
+ the full date including the year and allows sorting by date
+ (when grepping in multiple log files) without hassle.
+ - In get_last_url(), do not bother trying to decode URLs that do
+ not contain at least one '%' sign. It reduces the log noise and
+ a number of unnecessary memory allocations.
+ - In case of SOCKS5 failures, dump the socks response in the log message.
+ - Simplify the signal setup in main().
+ - Streamline socks5_connect() slightly.
+ - In socks5_connect(), require a complete socks response from the server.
+ Previously Privoxy didn't care how much data the server response
+ contained as long as the first two bytes contained the expected
+ values. While at it, shrink the buffer size so Privoxy can't read
+ more than a whole socks response.
+ - In chat(), do not bother to generate a client request in case of
+ direct CONNECT requests. It will not be used anyway.
+ - Reduce server_last_modified()'s stack size.
+ - Shorten get_http_time() by using strftime().
+ - Constify the known_http_methods pointers in unknown_method().
+ - Constify the time_formats pointers in parse_header_time().
+ - Constify the formerly_valid_actions pointers in action_used_to_be_valid().
+ - Introduce a GNUMakefile MAN_PAGE variable that defaults to privoxy.1.
+ The Debian package uses section 8 for the man page and this
+ should simplify the patch.
+ - Deduplicate the INADDR_NONE definition for Solaris by moving it to jbsockets.h
+ - In block_url(), ditch the obsolete workaround for ancient Netscape versions
+ that supposedly couldn't properly deal with status code 403.
+ - Remove a useless NULL pointer check in load_trustfile().
+ - Remove two useless NULL pointer checks in load_one_re_filterfile().
+ - Change url_code_map[] from an array of pointers to an array of arrays
+ It removes an unnecessary layer of indirection and on 64bit system reduces
+ the size of the binary a bit.
+ - Fix various typos. Fixes taken from Debian's 29_typos.dpatch by Roland Rosenfeld.
+ - Add a dok-tidy GNUMakefile target to clean up the messy HTML
+ generated by the other dok targets.
+ - GNUisms in the GNUMakefile have been removed.
+ - Change the HTTP version in static responses to 1.1
+ - Synced config.sub and config.guess with upstream
+ 2011-11-11/386c7218162c145f5f9e1ff7f558a3fbb66c37c5.
+ - Add a dedicated function to parse the values of toggles. Reduces duplicated
+ code in load_config() and provides better error handling. Invalid or missing
+ toggle values are now a fatal error instead of being silently ignored.
+ - Terminate HTML lines in static error messages with \n instead of \r\n.
+ - Simplify cgi_error_unknown() a bit.
+ - In LogPutString(), don't bother looking at pszText when not
+ actually logging anything.
+ - Change ssplit()'s fourth parameter from int to size_t.
+ Fixes a clang complaint.
+ - Add a warning that the statistics currently can't be trusted.
+ Mention Privoxy-Log-Parser's --statistics option as
+ an alternative for the time being.
+ - In rfc2553_connect_to(), start setting cgi->error_message on error.
+ - Change the expected status code returned for http://p.p/die depending
+ on whether or not FEATURE_GRACEFUL_TERMINATION is available.
+ - In cgi_die(), mark the client connection for closing.
+ If the client will fetch the style sheet through another connection
+ it gets the main thread out of the accept() state and should thus
+ trigger the actual shutdown.
+ - Add a proper CGI message for cgi_die().
+ - Don't enforce a logical line length limit in read_config_line().
+ - Slightly refactor server_last_modified() to remove useless gmtime*() calls.
+ - In get_content_type(), also recognize '.jpeg' as JPEG extension.
+ - Add '.png' to the list of recognized file extensions in get_content_type().
+ - In block_url(), consistently use the block reason "Request blocked by Privoxy"
+ In two places the reason was "Request for blocked URL" which hides the
+ fact that the request got blocked by Privoxy and isn't necessarily
+ correct as the block may be due to tags.
+ - In listen_loop(), reload the configuration files after accepting
+ a new connection instead of before.
+ Previously the first connection that arrived after a configuration
+ change would still be handled with the old configuration.
+ - In chat()'s receive-data loop, skip a client socket check if
+ the socket will be written to right away anyway. This can
+ increase the transfer speed for unfiltered content on fast
+ network connections.
+ - The socket timeout is used for SOCKS negotiations as well which
+ previously couldn't timeout.
+ - Don't keep the client connection alive if any configuration file
+ changed since the time the connection came in. This is closer to
+ Privoxy's behaviour before keep-alive support for client connection
+ has been added and also less confusing in general.
+ - Treat all Content-Type header values containing the pattern
+ 'script' as a sign of text. Reported by pribog in #3134970.
+
+- Action file improvements:
+ - Moved the site-specific block pattern section below the one for the
+ generic patterns so for requests that are matched in both, the block
+ reason for the domain is shown which is usually more useful than showing
+ the one for the generic pattern.
+ - Remove -prevent-compression from the fragile alias. It's no longer
+ used anywhere by default and isn't known to break stuff anyway.
+ - Add a (disabled) section to block various Facebook tracking URLs.
+ Reported by Dan Stahlke in #3421764.
+ - Add a (disabled) section to rewrite and redirect click-tracking
+ URLs used on news.google.com.
+ Reported by Dan Stahlke in #3421755.
+ - Unblock linuxcounter.net/.
+ Reported by Dan Stahlke in #3422612.
+ - Block 'www91.intel.com/' which is used by Omniture.
+ Reported by Adam Piggott in #3167370.
+ - Disable the handle-as-empty-doc-returns-ok option and mark it as deprecated.
+ Reminded by tceverling in #2790091.
+ - Add ".ivwbox.de/" to the "Cross-site user tracking" section.
+ Reported by Nettozahler in #3172525.
+ - Unblock and fast-redirect ".awin1.com/.*=http://".
+ Reported by Adam Piggott in #3170921.
+ - Block "b.collective-media.net/".
+ - Widen the Debian popcon exception to "qa.debian.org/popcon".
+ Seen in Debian's 05_default_action.dpatch by Roland Rosenfeld.
+ - Block ".gemius.pl/" which only seems to be used for user tracking.
+ Reported by johnd16 in #3002731. Additional input from Lee and movax.
+ - Disable banners-by-size filters for '.thinkgeek.com/'.
+ The filter only seems to catch pictures of the inventory.
+ - Block requests for 'go.idmnet.bbelements.com/please/showit/'.
+ Reported by kacperdominik in #3372959.
+ - Unblock adainitiative.org/.
+ - Add a fast-redirects exception for '.googleusercontent.com/.*=cache'.
+ - Add a fast-redirects exception for webcache.googleusercontent.com/.
+ - Unblock http://adassier.wordpress.com/ and http://adassier.files.wordpress.com/.
+
+- Filter file improvements:
+ - Let the yahoo filter hide '.ads'.
+ - Let the msn filter hide overlay ads for Facebook 'likes' in search
+ results and elements with the id 's_notf_div'. They only seem to be
+ used to advertise site 'enhancements'.
+ - Let the js-events filter additionally disarm setInterval().
+ Suggested by dg1727 in #3423775.
+
+- Documentation improvements:
+ - Clarify the effect of compiling Privoxy with zlib support.
+ Suggested by dg1727 in #3423782.
+ - Point out that the SourceForge messaging system works like a black
+ hole and should thus not be used to contact individual developers.
+ - Mention some of the problems one can experience when not explicitly
+ configuring an IP addresses as listen address.
+ - Explicitly mention that hostnames can be used instead of IP addresses
+ for the listen-address, that only the first address returned will be
+ used and what happens if the address is invalid.
+ Requested by Calestyo in #3302213.
+
+- Log message improvements:
+ - If only the server connection is kept alive, do not pretend to
+ wait for a new client request.
+ - Remove a superfluous log message in forget_connection().
+ - In chat(), properly report missing server responses as such
+ instead of calling them empty.
+ - In forwarded_connect(), fix a log message nobody should ever see.
+ - Fix a log message in socks5_connect(), a failed write operation
+ was logged as failed read operation.
+ - Let load_one_actions_file() properly complain about a missing
+ '{' at the beginning of the file.
+ Simply stating that a line is invalid isn't particularly helpful.
+ - Do not claim to listen on a socket until Privoxy actually does.
+ Patch submitted by Petr Pisar #3354485
+ - Prevent a duplicated LOG_LEVEL_CLF message when sending out
+ the "no-server-data" response.
+ - Also log the client socket when dropping a connection.
+ - Include the destination host in the 'Request ... marked for
+ blocking. limit-connect{...} doesn't allow CONNECT ...' message
+ Patch submitted by Saperski in #3296250.
+ - Prevent a duplicated log message if none of the resolved IP
+ addresses were reachable.
+ - In connect_to(), do not pretend to retry if forwarded-connect-retries
+ is zero or unset.
+ - When a specified user or group can't be found, put the name in
+ single-quotes when logging it.
+ - In rfc2553_connect_to(), explain getnameinfo() errors better.
+ - Remove a useless log message in chat().
+ - When retrying to connect, also log the maximum number of connection
+ attempts.
+ - Rephrase a log message in compile_dynamic_pcrs_job_list().
+ Divide the error code and its meaning with a colon. Call the pcrs
+ job dynamic and not the filter. Filters may contain dynamic and
+ non-dynamic pcrs jobs at the same time. Only mention the name of
+ the filter or tagger, but don't claim it's a filter when it could
+ be a tagger.
+ - In a fatal error message in load_one_actions_file(), cover both
+ URL and TAG patterns.
+ - In pcrs_strerror(), properly report unknown positive error code
+ values as such. Previously they were handled like 0 (no error).
+ - In compile_dynamic_pcrs_job_list(), also log the actual error code as
+ pcrs_strerror() doesn't handle all errors reported by pcre.
+ - Don't bother trying to continue chatting if the client didn't ask for it.
+ Reduces log noise a bit.
+ - Make two fatal error message in load_one_actions_file() more descriptive.
+ - In cgi_send_user_manual(), log when rejecting a file name due to '/' or '..'.
+ - In load_file(), log a message if opening a file failed.
+ The CGI error message alone isn't too helpful.
+ - In connection_destination_matches(), improve two log messages
+ to help understand why the destinations don't match.
+ - Rephrase a log message in serve(). Client request arrival
+ should be differentiated from closed client connections now.
+ - In serve(), log if a client connection isn't reused due to a
+ configuration file change.
+ - Let mark_server_socket_tainted() always mark the server socket tainted,
+ just don't talk about it in cases where it has no effect. It doesn't change
+ Privoxy's behaviour, but makes understanding the log file easier.
+
+- configure:
+ - Added a --disable-ipv6-support switch for platforms where support
+ is detected but doesn't actually work.
+ - Do not check for the existence of strerror() and memmove() twice
+ - Remove a useless test for setpgrp(2). Privoxy doesn't need it and
+ it can cause problems when cross-compiling.
+ - Rename the --disable-acl-files switch to --disable-acl-support.
+ Since about 2001, ACL directives are specified in the standard
+ config file.
+ - Update the URL of the 'Removing outdated PCRE version after the
+ next stable release' posting. The old URL stopped working after
+ one of SF's recent site "optimizations". Reported by Han Liu.
+
+- Privoxy-Regression-Test:
+ - Added --shuffle-tests option to increase the chances of detection race conditions.
+ - Added a --local-test-file option that allows to use Privoxy-Regression-Test without Privoxy.
+ - Added tests for missing socks4 and socks4a forwarders.
+ - The --privoxy-address option now works with IPv6 addresses containing brackets, too.
+ - Perform limited sanity checks for parameters that are supposed to have numerical values.
+ - Added a --sleep-time option to specify a number of seconds to
+ sleep between tests, defaults to 0.
+ - Disable the range-requests tagger for tests that break if it's enabled.
+ - Log messages use the ISO 8601 date format %Y-%m-%d.
+ - Fix spelling in two error messages.
+ - In the --help output, include a list of supported tests and their default levels.
+ - Adjust the tests to properly deal with FEATURE_TOGGLE being disabled.
+
+- Privoxy-Log-Parser:
+ - Perform limited sanity checks for command line parameters that
+ are supposed to have numerical values.
+ - Implement a --unbreak-lines-only option to try to revert MUA breakage.
+ - Accept and highlight: Added header: Content-Encoding: deflate
+ - Accept and highlight: Compressed content from 29258 to 8630 bytes.
+ - Accept and highlight: Client request arrived in time on socket 21.
+ - Highlight: Didn't receive data in time: a.fsdn.com:443
+ - Accept log messages with ISO 8601 time stamps, too.
+
+- uagen:
+ - Bump generated Firefox version to 8.0.
+ - Only randomize the release date if the new --randomize-release-date
+ option is enabled. Firefox versions after 4 use a fixed date string
+ without meaning.
+
+*** Version 3.0.17 Stable ***
+
+- Fixed last-chunk-detection for responses where the body was small
+ enough to be read with the headers, causing Privoxy to wait for the
+ end of the content until the server closed the connection or the
+ request timed out. Reported by "Karsten" in #3028326.
+- Responses with status code 204 weren't properly detected as body-less
+ like RFC2616 mandates. Like the previous bug, this caused Privoxy to
+ wait for the end of the content until the server closed the connection
+ or the request timed out. Fixes #3022042 and #3025553, reported by a
+ user with no visible name. Most likely also fixes a bunch of other
+ AJAX-related problem reports that got closed in the past due to
+ insufficient information and lack of feedback.
+- Fixed an ACL bug that made it impossible to build a blacklist.
+ Usually the ACL directives are used in a whitelist, which worked
+ as expected, but blacklisting is still useful for public proxies
+ where one only needs to deny known abusers access.
+- Added LOG_LEVEL_RECEIVED to log the not-yet-parsed data read from the
+ network. This should make debugging various parsing issues a lot easier.
+- The IPv6 code is enabled by default on Windows versions that support it.
+ Patch submitted by oCameLo in #2942729.
+- In mingw32 versions, the user.filter file is reachable through the
+ GUI, just like default.filter is. Feature request 3040263.
+- Added the configure option --enable-large-file-support to set a few
+ defines that are required by platforms like GNU/Linux to support files
+ larger then 2GB. Mainly interesting for users without proper logfile
+ management.
+- Logging with "debug 16" no longer stops at the first nul byte which is
+ pretty useless. Non-printable characters are replaced with their hex value
+ so the result can't span multiple lines making parsing them harder then
+ necessary.
+- Privoxy logs when reading an action, filter or trust file.
+- Fixed incorrect regression test markup which caused a test in
+ 3.0.16 to fail while Privoxy itself was working correctly.
+ While Privoxy accepts hide-referer, too, the action name is actually
+ hide-referrer which is also the name used one the final results page,
+ where the test expected the alias.
+
+- CGI interface improvements:
+ - In finish_http_response(), continue to add the 'Connection: close'
+ header if the client connection will not be kept alive.
+ Anonymously pointed out in #2987454.
+ - Apostrophes in block messages no longer cause parse errors
+ when the blocked page is viewed with JavaScript enabled.
+ Reported by dg1727 in #3062296.
+ - Fix a bunch of anchors that used underscores instead of dashes.
+ - Allow to keep the client connection alive after crunching the previous request.
+ Already opened server connections can be kept alive, too.
+ - In cgi_show_url_info(), don't forget to prefix URLs that only contain
+ http:// or https:// in the path. Fixes #2975765 reported by Adam Piggott.
+ - Show the 404 CGI page if cgi_send_user_manual() is called while
+ local user manual delivery is disabled.
+
+- Action file improvements:
+ - Enable user.filter by default. Suggested by David White in #3001830.
+ - Block .sitestat.com/. Reported by johnd16 in #3002725.
+ - Block .atemda.com/. Reported by johnd16 in #3002723.
+ - Block js.adlink.net/. Reported by johnd16 in #3002720.
+ - Block .analytics.yahoo.com/. Reported by johnd16 in #3002713.
+ - Block sb.scorecardresearch.com, too. Reported by dg1727 in #2992652.
+ - Fix problems noticed on Yahoo mail and news pages.
+ - Remove the too broad yahoo section, only keeping the
+ fast-redirects exception as discussed on ijbswa-devel@.
+ - Don't block adesklets.sourceforge.net. Reported in #2974204.
+ - Block chartbeat ping tracking. Reported in #2975895.
+ - Tag CSS and image requests with cautious and medium settings, too.
+ - Don't handle view.atdmt.com as image. It's used for click-throughs
+ so users should be able to "go there anyway".
+ Reported by Adam Piggott in #2975927.
+ - Also let the refresh-tags filter remove invalid refresh tags where
+ the 'url=' part is missing. Anonymously reported in #2986382.
+ While at it, update the description to mention the fact that only
+ refresh tags with refresh times above 9 seconds are covered.
+ - javascript needs to be blocked with +handle-as-empty-document to
+ work around Firefox bug 492459. So move .js blockers from
+ +block{Might be a web-bug.} -handle-as-empty-document to
+ +block{Might be a web-bug.} +handle-as-empty-document.
+ - ijbswa-Feature Requests-3006719 - Block 160x578 Banners.
+ - Block another omniture tracking domain.
+ - Added a range-requests tagger.
+ - Added two sections to get Flickr's Ajax interface working with
+ default pre-settings. If you change the configuration to block
+ cookies by default, you'll need additional exceptions.
+ Reported by Mathias Homann in #3101419 and by Patrick on ijbswa-users@.
+
+- Documentation improvements:
+ - Explicitly mention how to match all URLs.
+ - Consistently recommend socks5 in the Tor FAQ entry and mention
+ its advantage compared to socks4a. Reported by David in #2960129.
+ - Slightly improve the explanation of why filtering may appear
+ slower than it is.
+ - Grammar fixes for the ACL section.
+ - Fixed a link to the 'intercepting' entry and add another one.
+ - Rename the 'Other' section to 'Mailing Lists' and reword it
+ to make it clear that nobody is forced to use the trackers
+ - Note that 'anonymously' posting on the trackers may not always
+ be possible.
+ - Suggest to enable debug 32768 when suspecting parsing problems.
+
+- Privoxy-Log-Parser improvements:
+ - Gather statistics for ressources, methods, and HTTP versions
+ used by the client.
+ - Also gather statistics for blocked and redirected requests.
+ - Provide the percentage of keep-alive offers the client accepted.
+ - Add a --url-statistics-threshold option.
+ - Add a --host-statistics-threshold option to also gather
+ statistics about how many request where made per host.
+ - Fix a bug in handle_loglevel_header() where a 'scan: ' got lost.
+ - Add a --shorten-thread-ids option to replace the thread id with
+ a decimal number.
+ - Accept and ignore: Looks like we got the last chunk together
+ with the server headers. We better stop reading.
+ - Accept and ignore: Continue hack in da house.
+ - Accept and higlight: Rejecting connection from 10.0.0.2.
+ Maximum number of connections reached.
+ - Accept and highlight: Loading actions file: /usr/local/etc/privoxy/default.action
+ - Accept and highlight: Loading filter file: /usr/local/etc/privoxy/default.filter
+ - Accept and highlight: Killed all-caps Host header line: HOST: bestproxydb.com
+ - Accept and highlight: Reducing expected bytes to 0. Marking
+ the server socket tainted after throwing 4 bytes away.
+ - Accept: Merged multiple header lines to: 'X-FORWARDED-PROTO: http X-HOST: 127.0.0.1'
+
+- Code cleanups:
+ - Remove the next member from the client_state struct. Only the main
+ thread needs access to all client states so give it its own struct.
+ - Garbage-collect request_contains_null_bytes().
+ - Ditch redundant code in unload_configfile().
+ - Ditch LogGetURLUnderCursor() which doesn't seem to be used anywhere.
+ - In write_socket(), remove the write-only variable write_len in
+ an ifdef __OS2__ block. Spotted by cppcheck.
+ - In connect_to(), don't declare the variable 'flags' on OS/2 where
+ it isn't used. Spotted by cppcheck.
+ - Limit the scope of various variables. Spotted by cppcheck.
+ - In add_to_iob(), turn an interestingly looking for loop into a
+ boring while loop.
+ - Code cleanup in preparation for external filters.
+ - In listen_loop(), mention the socket on which we accepted the
+ connection, not just the source IP address.
+ - In write_socket(), also log the socket we're writing to.
+ - In log_error(), assert that escaped characters get logged
+ completely or not at all.
+ - In log_error(), assert that ival and sval have reasonable values.
+ There's no reason not to abort() if they don't.
+ - Remove an incorrect cgi_error_unknown() call in a
+ cannot-happen-situation in send_crunch_response().
+ - Clean up white-space in http_response definition and
+ move the crunch_reason to the beginning.
+ - Turn http_response.reason into an enum and rename it
+ to http_response.crunch_reason.
+ - Silence a 'gcc (Debian 4.3.2-1.1) 4.3.2' warning on i686 GNU/Linux.
+ - Fix white-space in a log message in remove_chunked_transfer_coding().
+ While at it, add a note that the message doesn't seem to
+ be entirely correct and should be improved later on.
+
+- GNUmakefile improvements:
+ - Use $(SSH) instead of ssh, so one only needs to specify a username once.
+ - Removed references to the action feedback thingy that hasn't been
+ working for years.
+ - Consistently use shell.sourceforge.net instead of shell.sf.net so
+ one doesn't need to check server fingerprints twice.
+ - Removed GNUisms in the webserver and webactions targets so they
+ work with standard tar.
+
+*** Version 3.0.16 Stable ***
+
+- Added the config file option handle-as-empty-doc-returns-ok to
+ work around Firefox bug #492459, which causes Firefox to hang
+ if JavaScripts are blocked in certain situations. The option is
+ enabled in the default config file.
+- Added the config file option default-server-timeout to control the
+ assumed default server timeout. Since Privoxy no longer returns
+ an error message for connection resets on reused client connections,
+ assuming larger server timeout values appears to actually work
+ pretty well as long as connections aren't shared.
+- Added optional support for FreeBSD's accf_http(9). Use the
+ configure option --enable-accept-filter to enable it.
+- Added fancier Privoxy icons for win32. Contributed by Jeff H.
+- In daemon mode, fd 0, 1 and 2 are bound to /dev/null.
+- Resolve localhost using whatever address family the operating
+ system feels like. Previous betas would try to use IPv4 as this
+ is what most users expect, but this didn't work reliably on
+ GNU/Linux systems.
+- In the action lists on CGI pages, actions and their parameters are
+ no longer separated with a space. The action file parser doesn't
+ actually allow this and will throw an invalid syntax error if actions
+ and parameters in the action files are separated. Not adding the
+ spaces means copy and pasting CGI output into the action files works.
+- The default keep-alive timeout has been reduced to 5 seconds to work
+ around hangs in clients that treat the proxy like any other host and
+ stop allowing any new connections if the "maximum number of
+ connections per host" is reached.
+- Several webbug URLs that look like they are leading to images are now
+ blocked as image instead of empty documents. Doing the latter causes
+ WebKit-based clients to show a "missing image" icon which may mess up
+ the layout.
+- The no-such-domain template is used for DNS resolution
+ problems with FEATURE_IPV6_SUPPORT enabled. Previously the
+ connect-failed template was used. Reported by 'zebul666'.
+- Accepts quoted expiration dates even though RFC 2109 10.1.2
+ doesn't seem to allow them. Reported anonymously.
+- Don't try to forget connections if connection sharing is disabled.
+ This wasn't a real problem but caused an unnecessary log message.
+- The still undocumented --enable-extended-host-patterns configure
+ option has a better description.
+- Fixed an error message that would claim a write to the server
+ failed when actually writing to the client failed.
+- Log the crunch reason before trying to write to the client.
+ The log is easier to read that way.
+- Several log messages about client connections also mention
+ the socket number.
+- handle-as-empty-document no longer depends on the image blocking
+ code being enabled.
+- Privoxy-Log-Parser is roughly 40% faster in highlighting mode.
+- uagen, a Firefox User-Agent generator for Privoxy and Mozilla
+ browsers has been imported and is available in the tarball's
+ tools directory.
+- The scripts in the tools directory treat unknown parameters
+ as fatal errors.
+
+*** Version 3.0.15 Beta ***
+
+- In case of missing server data, no error message is send to the
+ client if the request arrived on a reused connection. The client
+ is then supposed to silently retry the request without bothering
+ the user. This should significantly reduce the frequency of the
+ "No server or forwarder data received" error message many users
+ reported.
+- More reliable detection of prematurely closed client sockets
+ with keep-alive enabled.
+- FEATURE_CONNECTION_KEEP_ALIVE is decoupled from
+ FEATURE_CONNECTION_SHARING and now available on
+ all platforms.
+- Improved handling of POST requests on reused connections.
+ Should fix problems with stalled connections after submitting
+ form data with some browser configurations.
+- Fixed various latency calculation issues.
+- Allows the client to pass NTLM authentication requests to a
+ forwarding proxy. This was already assumed and hinted to work
+ in 3.0.13 beta but actually didn't. Now it's confirmed to work
+ with IE, Firefox and Chrome.
+ Thanks to Francois Botha and Wan-Teh Chang
+- Fixed a calculation problem if receiving the server headers
+ takes more than two reads, that could cause Privoxy to terminate
+ the connection prematurely. Reported by Oliver.
+- Compiles again on platforms such as OpenBSD and systems
+ using earlier glibc version that don't support AI_ADDRCONFIG.
+ Anonymously submitted in #2872591.
+- A bunch of MS VC project files and Suse and Redhat RPM spec
+ files have been removed as they were no longer maintained for
+ quite some time.
+- Overly long action lines are properly rejected with a proper
+ error message. Previously they would be either rejected as
+ invalid or cause a core dump through abort().
+- Already timed-out connections are no longer temporarily remembered.
+ They weren't reused anyway, but wasted a socket slot.
+- len refers to the number of bytes actually read which might
+ differ from the ones received. Adjust log messages accordingly.
+- The optional JavaScript on the CGI page uses encodeURIComponent()
+ instead of escape() which doesn't encode all characters that matter.
+ Anonymously reported in #2832722.
+- Fix gcc45 warnings in decompress_iob().
+- Various log message improvements.
+- Privoxy-Regression-Test supports redirect tests.
+- Privoxy-Log-Parser can gather some connection statistics.
+
+*** Version 3.0.14 Beta ***
+
+- The latency is taken into account when evaluating whether or not to
+ reuse a connection. This should significantly reduce the number of
+ connections problems several users reported.
+- If the server doesn't specify how long the connection stays alive,
+ Privoxy errs on the safe side of caution and assumes it's only a second.
+- The error pages for connection timeouts or missing server data use a
+ Last-Modified date in the past. Retry attempts are detected and Privoxy
+ removes the If-Modified-Since header to prevent the server from responding
+ with status code 304 in which case the client would reuse the error message.
+- Setting keep-alive-timeout to 0 disables keep-alive support. Previously
+ Privoxy would claim to allow persistence but not reuse the connection.
+- Pipelined requests are less likely to be mistaken for the request
+ body of the previous request. Note that Privoxy still has no real
+ pipeline support and will either serialize pipelined requests or
+ drop them in which case the client has to resent them.
+- Fixed a crash on some Windows versions when header randomization
+ is enabled and the date couldn't be parsed.
+- Privoxy's keep-alive timeout for the current connection is reduced
+ to the one specified in the client's Keep-Alive header.
+- For HTTP/1.1 requests, Privoxy implies keep-alive support by not
+ setting any Connection header instead of using 'Connection: keep-alive'.
+- If the socket isn't reusable, Privoxy doesn't temporarily waste
+ a socket slot to remember the connection.
+- If keep-alive support is disabled but compiled in, the client's
+ Keep-Alive header is removed.
+- Fixed a bug on mingw32 where downloading large files failed if
+ keep-alive support was enabled.
+- Fixed a bug that (at least theoretically) could cause log
+ timestamps to be occasionally off by about a second.
+- No Proxy-Connection header if added if there already is one.
+- The configure script respects the $PATH variable when searching
+ for groups and id.
+
+*** Version 3.0.13 Beta ***
+
+- Added IPv6 support. Thanks to Petr Pisar who not only provided
+ the initial patch but also helped a lot with the integration.
+- Added client-side keep-alive support.
+- The connection sharing code is only used if the connection-sharing
+ option is enabled.
+- The max-client-connections option has been added to restrict
+ the number of client connections below a value enforced by
+ the operating system.
+- Fixed a regression reintroduced in 3.0.12 that could cause
+ crashes on mingw32 if header date randomization was enabled.
+- Compressed content with extra fields couldn't be decompressed
+ and would get passed to the client unfiltered. This problem
+ has only be detected through statical analysis with clang as
+ nobody seems to be using extra fields anyway.
+- If the server resets the Connection after sending only the headers
+ Privoxy forwards what it got to the client. Previously Privoxy
+ would deliver an error message instead.
+- Error messages in case of connection timeouts use the right
+ HTTP status code.
+- If spawning a child to handle a request fails, the client
+ gets an error message and Privoxy continues to listen for
+ new requests right away.
+- The error messages in case of server-connection timeouts or
+ prematurely closed server connections are now template-based.
+- If zlib support isn't compiled in, Privoxy no longer tries to
+ filter compressed content unless explicitly asked to do so.
+- In case of connections that are denied based on ACL directives,
+ the memory used for the client IP is no longer leaked.
+- Fixed another small memory leak if the client request times out
+ while waiting for client headers other than the request line.
- The client socket is kept open until the server socket has
been marked as unused. This should increase the chances that
the still-open connection will be reused for the client's next
- request to the same destination.
+ request to the same destination. Note that this only matters
+ if connection-sharing is enabled.
+- A TODO list has been added to the source tarball to give potential
+ volunteers a better idea of what the current goals are. Donations
+ are still welcome too: http://www.privoxy.org/faq/general.html#DONATE
*** Version 3.0.12 ***
skip reason.
*** Version 3.0.11 ***
-
+
- On most platforms, outgoing connections can be kept alive and
reused if the server supports it. Whether or not this improves
things depends on the connection.
forbidden characters like dots.
- New trust entries are saved with a comment that contains the
trusted referring URL (Suggested by Daniel Griscom).
-- Filter descriptions are HTML encoded automatically.
+- Filter descriptions are HTML encoded automatically.
- New config option "split-large-forms" to work
around a browser bug that caused IE6 and IE7 to ignore
the Submit button on the edit-actions-for-url CGI page.
Privoxy detection "attack". Note that detecting Privoxy is
still possible through other ways and Privoxy was never intended
to be invisible anyway.
-- Added support for AmigaOS 4, fixed build for AmigaOS 3.x.
+- Added support for AmigaOS 4, fixed build for AmigaOS 3.x.
- The show-url-info CGI page displays a warning if Privoxy
is currently toggled off.
- The show-status CGI page suppresses the edit button
- for action files if Privoxy has no write access.
+ for action files if Privoxy has no write access.
- Most CGI error pages react properly to HEAD requests.
- Requests with RFC 3253 HTTP methods (used by Subversion)
are accepted. (Patch provided by Petr Kadlec)
- Improved the filters img-reorder, js-annoyances, webbugs,
banners-by-size, banners-by-link and ie-exploits to make them
less likely to break anything.
-- Removed outdated URL patterns in default.action and added new ones.
+- Removed outdated URL patterns in default.action and added new ones.
- Added redirection from http://p.p/user-manual to http://p.p/user-manual/
- Changed webinterface default values for hide-user-agent, hide-referrer
and set-image-blocker.
-
+
*** Version 3.0.5 Beta ***
- Windows version can be installed/started as a service.
- Windows icon stays blue when Privoxy is idle, green when busy.
- Integrated Fabian Keil's extensive patch. See:
- http://www.fabiankeil.de/sourcecode/privoxy/. Includes the
- following new or significantly improved actions (among many
+ http://www.fabiankeil.de/sourcecode/privoxy/. Includes the
+ following new or significantly improved actions (among many
other improvements):
content-type-overwrite{}
- Added jpeg filtering to defend against MS jpeg vulnerability MS04-028
with the new inspect-jpegs action.
- Removed the "arbitrary" 1000 filter limit - addresses tracker #911950
-- Thanks to Jindrich Makovicka for a race condition fix for the log
+- Thanks to Jindrich Makovicka for a race condition fix for the log
file. The race condition remains for non-pthread implementations.
Reference patch #1175720. Various other logging enhancements.
- A pile of assorted bug fixes, memory leaks, enhancements, etc.
- Moved Actions file reporting mechanism to SF tracker.
-- Two new options for config: enable-remote-http-toggle and
+- Two new options for config: enable-remote-http-toggle and
forwarded-connect-retries.
- Trap unsupported FTP requests.
- Let text/xml be filtered.
- Numerous updates to default.action
-- Increase the compiled in limit of trusted referrers from 64 to 512
+- Increase the compiled in limit of trusted referrers from 64 to 512
(for trustfile users).
*** Version 3.0.3 ***
- Workarounds for client (iTunes etc) and server (PHP < 4.2.3) bugs
including the notorious "blank page" problem.
- Various filter improvements; most notably the unsolicited-popups
- filter became less destructive
+ filter became less destructive
- Major revamp of the actions file
-
+
*** Version 3.0.2 ***
- Fixed two memory leaks, one serious
- Fixed bug in pcrs which could cause crashes with user-defined filters
- Fixed bug in domain name matching
-- Assorted small fixes (Win32 menu, CGI URL editor, ..)
+- Assorted small fixes (Win32 menu, CGI URL editor, ..)
- Added basic support for the OPTIONS and TRACE http methods
- Added workaround for Bug in Mac OSX that made Privoxy crash occasionally
- Refined the default action file through >400 items of user feedback
- Replaced filter "popups" by choice between two modes:
- "unsolicited-popups" tries to catch only the unsolicited ones
- "all-popups" tries to kill them all (as before)
- - New filter "tiny-textforms" Help those tiny or hard-wrap textareas.
+ - New filter "tiny-textforms" Help those tiny or hard-wrap textareas.
- New filter "jumping-windows" that prevents windows from resizing
and moving themselves
- New filter "demoronizer" which fixes MS's abuse of std charsets
- Added quicktime-kioskmode filter and improved frameset-borders
- Updated default.action based on latest feedback
- New PDF doc build process
-- Add a user contrib module to cvs:
+- Add a user contrib module to cvs:
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/ijbswa/contrib/
*** Version 2.9.18 ***
- Three filters fixed (again!)
- Assorted small fixes and doc enhancements
-*** Version 2.9.16 ***
+*** Version 2.9.16 ***
- Major revamp of default.action to get rid of years of cruft.
- Same for default.filter
- user-manual directive added to config for help links from within CGI
editor.
- Multiple actions files can now be specified in config.
-- Actions files are changed to: default.action, standard.action, and
+- Actions files are changed to: default.action, standard.action, and
user.action. user.action is for personal/local configuration.
- The usual many small and miscellaneous bug and security fixes.
-*** Version 2.9.14 Beta ***
+*** Version 2.9.14 Beta ***
- Fix Solaris compile problem (gateway.h and filters.h)
- Makefile fixes for Solaris, FreeBSD (?)
- #include mechansim for common text in templates
- Various other minor fixes.
-*** Version 2.9.13 Beta ***
+*** Version 2.9.13 Beta ***
-- *NEWS*: The project has been renamed to Privoxy! The new name is
+- *NEWS*: The project has been renamed to Privoxy! The new name is
reflected throughout (file locations, etc).
-- ijb.action is now default.action. re_filterfile is now
+- ijb.action is now default.action. re_filterfile is now
default.filter.
- http://i.j.b/ is now http://p.p/
-- The 'logo' option for replacing ad iamges is removed now. 'Pattern'
+- The 'logo' option for replacing ad iamges is removed now. 'Pattern'
(checkerboard) is now the default.
- RPM spec file make over.
-*** Version 2.9.12 Beta ***
+*** Version 2.9.12 Beta ***
-- **READ**: The default listening PORT is NOW 8118!!! Changed from
- 8000 due to conflict with NAS (Network Audio Server, whatever that
+- **READ**: The default listening PORT is NOW 8118!!! Changed from
+ 8000 due to conflict with NAS (Network Audio Server, whatever that
is.)
- More CGI actions editor fixes and improvements.
- Win32 command line fix ups.
-- re_filterfile now has modular sections that can be activated on a
+- re_filterfile now has modular sections that can be activated on a
per site basis. Some new goodies there too.
- +filter now takes arguments to match FILTER sections in re_filterfile
- for even more flexibility.
-- Added a new image blocker option: +image-blocker{pattern}, which
+ for even more flexibility.
+- Added a new image blocker option: +image-blocker{pattern}, which
displays a checkerboard patthern and scales better than the logo.
- PNG images will be used in place of GIF for JB built-in images
if configured with --enable-no-gif.
- CGI Editor works on OS/2 now.
- Fix restart failure where sockets were in TIME_WAIT.
- Fixes for actions cgi editor, make sure we have right file.
-- A --pidfile command line option now, in addition to --help,
+- A --pidfile command line option now, in addition to --help,
--version, --no-daemon, --user and configfile. --no-daemon replaces
- the former -d option and _DEBUG define. --user will drop privileges
+ the former -d option and _DEBUG define. --user will drop privileges
to the specified user.
- Signal handling cleanups (*nix).
- CGI actions editor improvements and fixes.
- Error handling improvements, especially out of memory.
-- Default re_filterfile fix that caused spurious IJB logos
+- Default re_filterfile fix that caused spurious IJB logos
(instead of 'blank').
- configure.in threading fixes for Solaris.
- Various other minor fixes.
*** Version 2.9.11 Beta Changes ***
-- Add "session" cookie concept where cookies exist for the life
-of that browser session only (ie never goes to disk).
+- Add "session" cookie concept where cookies exist for the life
+ of that browser session only (ie never goes to disk).
- Checks for correct header length.
- Fix user:pass@host.domain.com auth bug.
- Better signal handling on *nix.
- Fix CFLAGS hard-coded in configure.in
-- Fix threading bug re: gethostbyname() that caused random
-URLs to fail in some cases.
+- Fix threading bug re: gethostbyname() that caused random
+ URLs to fail in some cases.
*** Version 2.9.11 Alpha Changes ***
and the home page:
http://ijbswa.sourceforge.net/
... and various URLs which will be intercepted by Junkbuster anyway.
-TODO: Still need to do something with the URLs in Junkbuster Corp's
+TODO: Still need to do something with the URLs in Junkbuster Corp's
copyright/trademark notice on the bottom of the show-proxy-args page.
- PCRE or GNU Regex is now a #define option.
patch war ;-)
- Cut the credit for the ยง-referrer-option from the config file,
that Stefan had placed there.
-- Improved the re_filterfile
+- Improved the re_filterfile
*** Version 2.9.0 pre-Alpha Changes ***
- Now use PCRE, not GNU REGEX. I have not yet had chance to check the
syntax of the block/image/cookie file to ensure that they match what
is expected - however they seem to work.
-- Replaced "configure" script with one generated by "autoconf". Also
-use a header "config.h" (was ijbconfig.h in my previous release) for
-the #defines. "config.h" is now generated with "autoheader" from
+- Replaced "configure" script with one generated by "autoconf". Also
+use a header "config.h" (was ijbconfig.h in my previous release) for
+the #defines. "config.h" is now generated with "autoheader" from
"acconfig.h" and "configure.in". (Note that to install you do not
need autoconf or autoheader - just run "./configure".)
To see command-line options, run "./configure --help".
popup file, conditional image file, and integration of popup code.
- ACL, Jar and trust files conditionally compiled.
- New source file headers.
-- Various cosmetic changes. (But I have not consistently ordered the
+- Various cosmetic changes. (But I have not consistently ordered the
config files - I think that's worthwhile, but it's 1am and I want to
get this released!)
- RCS tags on .h files.
- Version number changes to 2.9.0
-
----------------------------------------------------------------------
-Copyright : Written by and Copyright (C) 2001-2008 the SourceForge
+Copyright : Written by and Copyright (C) 2001-2010 the
Privoxy team. http://www.privoxy.org/
Based on the Internet Junkbuster originally written
- by and Copyright (C) 1997 Anonymous Coders and
+ by and Copyright (C) 1997 Anonymous Coders and
Junkbusters Corporation. http://www.junkbusters.com/
- This program is free software; you can redistribute it
+ This program is free software; you can redistribute it
and/or modify it under the terms of the GNU General
Public License as published by the Free Software
Foundation; either version 2 of the License, or (at