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3.3.1_vs_3.3.2.

1 19.3.2021 Daniel Mealha Cabrita 2 version 3.3.2 3 cfgfile.* ziproxy.c: 4 Corrected -fnocommon compilation issues in OpenBSD. 5 image.c: 6 Added compatibility with giflib 5+ API changes. 7 netd.c: 8 Corrected spelling error. 9 10 3.12.2014 Daniel Mealha Cabrita 11 version 3.3.1 12 qparser.c configure.in: 13 Fixed strndup-related compiling problems. 14 15 6.1.2013 Daniel Mealha Cabrita 16 version 3.3.0 17 image.c cfgfile.*: 18 Added option to remove alpha channel after 19 a specified average opacity threshold. 20 New option: AlphaRemovalMinAvgOpacity 21 22 8.2.2012 Daniel Mealha Cabrita 23 version 3.2.1 24 image.c: 25 Fixed compilation issues with libpng 1.5.x. 26 27 6.9.2010 Daniel Mealha Cabrita 28 version 3.2.0 29 auth.* cfgfile.* http.c sasl/ziproxy.conf: 30 Authentication system is now modular. 31 Added SASL authentication support. 32 New options: AuthMode, AuthSASLConfPath, AuthPasswdFile 33 Obsoleted option: PasswdFile 34 *.c *.h README CREDITS: 35 Updated source code and documentation to reflect the 36 license change (Juraj's code now being under 2-clause 37 BSD license). 38 Added more complete license text to the affected 39 portions. 40 configure.in cfgfile.c: 41 Fixed a bug which prevented compilation under certain 42 OSes/architectures (ex.: glibc + gcc + ARM). 43 Added a Nameservers compile-time enable/disable 44 feature switch. 45 THANKS CREDITS: 46 Added 'THANKS' file. Moved pertinent data from 47 'CREDITS' to that file. 48 49 17.7.2010 Daniel Mealha Cabrita 50 version 3.1.3 51 http.c: 52 Fixed authentication problems with Safari. 53 qparser.c: 54 Fixed non-POSIX behavior. Fixes problems with eglibc 55 under certain architectures. 56 57 2.7.2010 Daniel Mealha Cabrita 58 version 3.1.2 59 image.c: 60 In certain circumstances image recompression used too much CPU. 61 In other cases images were not being recompressed. Fixed. 62 session.* http.c netd.c ziproxy.c: 63 Fixed stdout/stdin (old) kludge in daemon mode. Now Ziproxy 64 used proper file descriptors. Stdout/stdin/stderr are 65 properly closed in daemon mode. 66 67 15.6.2010 Daniel Mealha Cabrita 68 version 3.1.1 69 ziproxy_genhtml_stats.sh: 70 Fixed "bashisms". Should work with any Bourne-like shell now. 71 netd.c: 72 Added temporary workaround for data corruption when libjasper 73 decides to send warnings in certain, rare, circumstances. 74 image.c: 75 Fixed problem with certain imagens being corrupted after 76 alpha optimization processing (RGBA/YUVA) (new bug from 3.1.0). 77 Fixed security vulnerability (heap-related) in PNG 78 decoder (new bug from 3.1.0). 79 Transparent channels were not correctly loaded in certain 80 PNG pictures, resulting in corrupted or blank images. 81 Fixed (new bug from 3.1.0). 82 PNG loader code reorganization and cleanup. 83 Misc code optimizations in image optimization routines. 84 85 3.6.2010 Daniel Mealha Cabrita 86 version 3.1.0 87 image.* http.h cdetect.*: 88 Image recompression core rewritten. Improved decision-taking 89 routines. 90 Added full support for transparency (affects PNG and JP2K targets). 91 Added detection and removal of useless alpha channel (certain 92 pictures with alpha channel may be recompressed to JPEG now). 93 Added palette and transparency optimization routines (affects 94 lossless compression: PNG targets). 95 Added alpha channel support to YUV-to/from-RGB routines. 96 image.* cfgfile.*: 97 Added option to convert images to grayscale for more 98 compression. 99 Obsoleted quasi-equivalent support of providing negative 100 values in ImageQuality. 101 Added alpha channel support to rgb2gray routine. 102 New option: ConvertToGrayscale 103 README ziproxy.conf: 104 Misc updates and fixes. 105 106 20.5.2010 Daniel Mealha Cabrita 107 version 3.0.1 108 image.c http.c: 109 Fixed crashes when the raw (decompressed) picture size 110 exceeds integer limits (often 32bit). 111 Added other security provisions related to 112 raw picture size. 113 114 18.4.2010 Daniel Mealha Cabrita 115 version 3.0.0 116 netd.c: 117 Obsoleted "-f" CLI option (use OnlyFrom config 118 option instead). 119 CREDITS: 120 Updated acknowledgments. 121 init.d/ziproxy: 122 Example initscript now uses built-in Ziproxy 123 user and PID support. 124 README: 125 Some updating/cleanup. 126 README man/ziproxy.1 netd.c: 127 Updated manpage. Minor related updates. 128 129 8.3.2010 Daniel Mealha Cabrita 130 version 2.7.9_BETA3 131 strtables.c ziproxylogtool.c: 132 Minor tweaking in the hash-generation functions, to 133 reduce the likehood of hash collisions. 134 globaldefs.h ziproxylogtool.c: 135 Added GCC-specific optimizations to ziproxylogtool, 136 giving between 5%-15% speedup. 137 Such optimizations are innocuous to other compilers. 138 log.* cfgfile.* globaldefs.h gzpipe.c http.c netd.c 139 tosmarking.* ziproxy.c: 140 Fixed logging bug which added trash to HTTP output (bug 141 introduced in 2.7.9_BETA2). 142 Added more daemon error messages to error_log. 143 Several changes and code cleanup in debug_log. 144 Access log code rewritten from scratch and simplified. 145 Eliminated several log code dependencies from other 146 parts of Ziproxy. 147 Obsoleted AccessLogUserPOV option, due to code 148 maintainability concerns and small importance of 149 that option. 150 cttables.c: 151 Crashes occured when trying to compare a NULL (absent) 152 content-type. Fixed. 153 http.c: 154 Ziproxy returned garbage to the user when receiving 155 an empty response (0 bytes, no headers), instead of 156 issuing an error message. Fixed. 157 configure.in image.c: 158 Fixed compilation errors while compiling with libpng 1.4. 159 Should still compile with not-so-old previous libpng 160 versions. 161 cfgfile.* netd.c: 162 Added support for simultaneous user connection limit. 163 New option: MaxActiveUserConnections 164 cfgfile.* netd.c txtfiletools.*: 165 Added support for PID file. 166 Legacy behavior (dumping to stdout) is maintained 167 if this feature is not used. 168 New option: PIDFile 169 cfgfile.* netd.c: 170 Obsoleted NetdTimeout and removed related code. 171 cfgfile.* gzpipe.c http.c ziproxy.c: 172 Renamed parameter "ZiproxyTimeout" to "ConnTimeout". 173 Deprecated option: ZiproxyTimeout (still functional) 174 New option: ConnTimeout 175 cfgfile.* netd.c: 176 Added security options to run daemon as different user/group. 177 New options: RunAsUser, RunAsGroup 178 cfgfile.c image.c ziproxy.c: 179 Fixed old error output messages which used stderr directly, 180 instead of the proper log subsystem. 181 This fixes situations where broken GIFs resulted in 182 corrupted HTTP response. 183 cfgfile.* netd.c: 184 Added CLI parameters to set user/group. 185 cfgfile.* netd.c: 186 Added CLI parameter to set PID file. 187 netd.c: 188 Improvements on the daemon fail routines. 189 Now avoids unnecessary daemon abortions and busy loops. 190 netd.c: 191 Killing the daemon stops all children processes too. 192 Added verbosity to certain daemon errors. 193 ziproxy.c log.*: 194 Added support for SIGTERM interception. 195 Now transfers interrupted such way as logged aswell. 196 Added 'X' flag support to AccessLog. 197 netd.c log.*: 198 Added 'daemon' subsystem to error_log. 199 Updated daemon-related messages to report accordingly. 200 netd.c: 201 Added code to remove PID file in case of daemon 202 startup failure at a later stage. 203 204 3.1.2010 Daniel Mealha Cabrita 205 version 2.7.9_BETA2 206 image.c: 207 Under certain circumstances, certain PNG pictures 208 could not be decompressed. Fixed. 209 This bug affected certain architectures, such as x86-64. 210 cfgfile.c qparser.*: 211 Added support for errors informing about obsoleted 212 configuration parameters, instead of just erring 213 as if it was a mere syntax error. 214 Obsolete parameters from previous versions were added. 215 cfgfile.c qparser.*: 216 Added support for errors informing about unsupported 217 configuration parameters (eg. features disabled 218 during compilation), instead of just erring 219 as if it was a mere syntax error. 220 Added JP2K-related parameters to this list. 221 cfgfile.* log.c netd.c: 222 Obsoleted LogPipe option and removed all related code. 223 cfgfile.c log.* netd.c text.c tosmarking.h ziproxy.c: 224 Minor miscellaneous fixes. Eliminates some compiler warnings. 225 cfgfile.* http.c image.c log.* netd.c preemptdns.c text.c 226 tosmarking.c ziproxy.c: 227 Obsoleted LogFile option, replaced by DebugLog. 228 Massive log-related functions renaming (in the source code) 229 to avoid confusion between different types of logging and 230 to improve code readability in general. 231 New option: DebugLog 232 JPEG2000.ru.txt README.ru README.tools.ru 233 ziproxylogtool.ru.1 ziproxy.ru.1: 234 Removed all Russian translations, due to lack of maintainer. 235 change_tos.list: 236 Added example file for TOSMarkAsDiffURL option. 237 cfgfile.* http.c: 238 Changed content-type gzip compression matching code. 239 Now it's possible to specify any content-type instead of 240 only subtypes of "application/". 241 Deprecated option: Compressible (still functional) 242 New option: LosslessCompressCT 243 cfgfile.* log.c: 244 Renamed parameter "AccessLogFileName" to "AccessLog". 245 Deprecated option: AccessLogFileName (still functional) 246 New option: AccessLog 247 cttables.c misc.*: 248 cttables was case-sensitive, that's against 249 RFC 1049 (RFC 1341). Fixed. 250 cfgfile.* http.c: 251 Added switch for "x-" subtype prefix matching for 252 content-type lists. 253 Migrated URLReplaceDataCTList to new content-type 254 lists subsystem. 255 New options: TOSMarkAsDiffCTAlsoXST, 256 URLReplaceDataCTListAlsoXST, 257 LosslessCompressCTAlsoXST 258 gzpipe.* http.* image.* log.* simplelist.c text.* 259 tosmarking.* globaldefs.h: 260 Changed filesize counter from signed int (usually 32 bits, 261 even in 64-bit architectures) to a local type (defined 262 during compile time, being that at least 64 bits). 263 The most perpectible effect is seen in logs (no longer 264 wrong, often negative, size numbers for anything > 2GB). 265 This also fixes the data size limitation (up to 2GB) in 266 cases where Content-Lenght was used such as 267 HTTP method CONNECT, URLNoProcessing. 268 gzpipe.c log.* ziproxy.c ziproxy.conf: 269 Added 'G' flag support to AccessLog. 270 Added verbosity to streaming gzip/gunzip errors in DebugLog. 271 cfgfile.c ziproxy.conf: 272 Changed default of MinUncompressedGzipStreamEval from 273 250000 (~250kB) to 10000000 (~10MB). 274 This avoids trigging of MaxUncompressedGzipRatio if 275 ISO9660 images are compressed while streaming (the 276 first MBs of ISOs are highly compressible). 277 cfgfile.c ziproxy.conf: 278 Added "application/iso9660-image" content-type as 279 compressible (losslessly), in default settings. 280 log.c globaldefs.h: 281 Changed time measurement from signed int (usually 32 bits, 282 even in 64-bit architectures) to a local type (defined 283 during compile time, being that at least 64 bits). 284 Fixes problems of time logging of long downloads (>2G 285 microseconds, or >35 minutes) which previously gave 286 wrong, often negative, times. 287 cfgfile.* image.c log.* netd.c ziproxy.conf: 288 Implemented an internal error-message handling system. 289 Added more verbosity to error/warning conditions. 290 Previously unreported errors now appear. 291 Minor fixes in cfgfile.*. 292 Some code reorganization in log.*. 293 New option: ErrorLog 294 Obsoleted option: MSIETest 295 README src/*: 296 Updated copyright year to current one. 297 298 14.12.2009 Daniel Mealha Cabrita 299 version 2.7.9_BETA 300 cfgfile.* gzpipe.c http.* log.* netd.c ziproxy.* 301 cttables.* globaldefs.h misc.* tosmarking.*: 302 Added TOS support (a provision for Level 7 QOS). 303 New options: TOSMarking, TOSFlagsDefault, TOSFlagsDiff, 304 TOSMarkAsDiffURL, TOSMarkAsDiffCT, 305 TOSMarkAsDiffSizeBT. 306 ziproxy.spec: 307 Removed. Unable to maintain this file properly. 308 309 29.9.2009 Daniel Mealha Cabrita 310 version 2.7.2 311 README* image.* ziproxy.* netd.* ziproxy_genhtml_stats.sh: 312 Fixed Juraj's copyright years, considering old 313 code from 2002. 314 log.* ziproxy.c: 315 LogFile timer was not properly initialized and 316 the first measurement was always wrong. Fixed. 317 318 12.9.2009 Daniel Mealha Cabrita 319 version 2.7.1 320 http.c: 321 Fixed HTTP/0.9 simple response support, 322 which was broken for aeons and nobody noticed. 323 text.c: 324 Gunzipped data smaller than the compressed was 325 being treated as corruped and data was simply 326 forwarded as is. 327 But that's not necessarily true (a certain website 328 thought it was a good idea to gzip jpegs, for example) 329 and in certain cases processing was not 330 applied because of that. Fixed. 331 http.c: 332 Implemented workaround for buggy sites which send: 333 Content-Encoding: ISO-8859-1 (violates RFC 2616). 334 Fixes certain pages which appeared as binary garbage 335 in the browser. 336 337 13.4.2009 Daniel Mealha Cabrita 338 version 2.7.0 339 README.ru: 340 Added note stating this documentation is 341 currently outdated. 342 343 13.3.2009 Daniel Mealha Cabrita 344 version 2.6.9_BETA2 345 stats.awk: 346 Obsolete. Removed. 347 image.c: 348 Fixed a bug which caused crashes in certain, 349 rare, specific situations while compressing to 350 jp2k. 351 cfgfile.* log.c ziproxy.c: 352 Added provision for crash (signal) interception 353 and logging (see new access log flags). 354 New option: InterceptCrashes 355 image.*: 356 Renamed image retcodes to a more standard 357 and uniform naming, for better code readability. 358 image.* cfgfile.* http.c log.* ziproxy.c: 359 Added feature against "image bomb" DoS. 360 New option: MaxUncompressedImageRatio 361 image.c: 362 Fixed bug in rgb2yuv converter. In certain cases jp2 363 pictures had some very wrong colors (like deep red turned 364 into strong pink etc). 365 cfgfile.* http.* image.c text.* txtfiletools.c ziproxy.c: 366 Obsoleted ModifySuffixes. It was buggy and lost its 367 usefulness a long ago. 368 The following config options are obsolete: 369 ModifySuffixes, MinTextStream 370 The following files were removed: 371 cfgtest.c 372 htmlmodify.h 373 htmlmodify_jp2.l 374 htmlmodify.l 375 imgtest.c 376 Makefile 377 modifytest.c 378 Also, additional code cleanup was done. 379 Test programs were obsolete and were 380 removed (imgtest, modifytest, cfgtest) 381 and no longer are a build option. 382 Flex is no longer required for building Ziproxy. 383 cfgfile.c: 384 Preventive bugfix (did not cause problems yet). 385 cfgfile.* http.c: 386 Added support for content substitution 387 by matching URL + content-type. 388 New options: URLReplaceDataCT, URLReplaceDataCTList 389 cfgfile.* http.c: 390 Added support for URL blocking. 391 New option: URLDeny 392 http.c: 393 Added support for "ICY" SHOUTcast headers. 394 Now icecasts from such servers are playable. 395 396 25.2.2009 Daniel Mealha Cabrita 397 version 2.6.9_BETA 398 cfgfile.* http.c: 399 Added support for custom 403 error pages. 400 http.* ziproxy.c: 401 Fixed the type/signedness mess with outgoing Port vars. 402 Ports >= 32768 were not accessible. 403 Non-standard HTTP/HTTPS ports (non-80/443) were not 404 accessible in big-endian architectures. 405 cfgfile.* http.* ziproxy.c: 406 Added provision for outgoing port restrictions. 407 New options: RestrictOutPortHTTP, RestrictOutPortCONNECT 408 cfgfile.c ziproxy.conf: 409 Changed JPG and JP2K default settings to (hopefully) 410 better values. 411 image.c: 412 Bug which prevented recompression to jp2k 413 when more aggressive parameters were set to 414 color components, original image was forwarded 415 instead. Fixed. 416 jp2tools.* cfgfile.*: 417 Added Lanczos component upsampler support to JP2k. 418 New option: JP2Upsampler 419 image.c: 420 Encoding/decoding jp2 images with alpha channel 421 always fails. Fixed. 422 ziproxy_genhtml_stats.sh: 423 Fixed help message. 424 425 26.11.2008 Daniel Mealha Cabrita 426 version 2.6.0 427 ziproxy.ru.1 ziproxylogtool.ru.1: 428 Added Russian manpages. 429 README.tools.ru README.ru JPEG2000.ru.txt: 430 Added Russian version of text documentation. 431 http.c ziproxy.conf cfgfile.*: 432 Added support for custom 407 and 409 error 433 pages. 434 http.c: 435 Under random conditions or unrelated configuration 436 changes the pictures were not recompressed. 437 Fixed. 438 http.c embbin.h: 439 Changed from 1x1 PNG to 1x1 GIF due to smaller 440 size of the latter. 441 442 2.9.2008 Daniel Mealha Cabrita 443 version 2.5.9_BETA 444 http.c cfgfile.* replace.list embbin.h: 445 Added support for data replacement using 446 a URL list. 447 New option: URLReplaceData 448 http.c auth.* log.*: 449 Now a authenticated connection also logs the 450 username alongside its IP (username@X.X.X.X). 451 ziproxy.c simplelist.* cfgfile.* bo_exception.list: 452 Added support for host exception list when 453 using the BindOutgoing option. 454 New options: BindOutgoingExList, BindOutgoingExAddr 455 456 31.3.2008 Daniel Mealha Cabrita 457 version 2.5.2 458 http.c: 459 Proxy authentication would bring access denial 460 if such was not requested by Ziproxy (that means 461 unnecessary authentication). 462 Now it is simply ignored and access is normal. 463 http.c: 464 Ziproxy did not send the proper URL to the 465 server (so it failed) when connecting to another proxy 466 _and_ the client accessed Ziproxy in transparent 467 proxy mode. Fixed. 468 469 10.3.2008 Daniel Mealha Cabrita 470 version 2.5.1 471 http.c: 472 Originally gzipped data, one not processable, 473 to a client which supports gzip was being loaded 474 wholly into memory then recompressed back. 475 Now it's streamed directly to the client. 476 (thus less latency) 477 478 28.1.2008 Daniel Mealha Cabrita 479 version 2.5.0 480 image.c: 481 JP2 component bitdepth set as !=8 would make 482 the process crash. Fixed. 483 cfgfile.c: 484 Certain defaults were unoptimal. Fixed. 485 ziproxy.conf: 486 Reorganized example configuration file, 487 clearer to read now. 488 489 16.1.2008 Daniel Mealha Cabrita 490 version 2.4.8_BETA2 491 man/*: 492 Added manpages for ziproxy and ziproxylogtools. 493 http.* ziproxy.c txtfiletools.* urltables.* qparser.c: 494 Added support for list of URLs that should not be 495 processed by Ziproxy (due to bugs/incompatibilities). 496 New option: URLNoProcessing 497 ziproxy.conf: 498 ATTENTION: Changed the default location of 499 ziproxy.conf to /etc/ziproxy/ziproxy.conf 500 (was /etc/ziproxy.conf) 501 noprocess.list: 502 Added example configuration file. 503 auth.* strtables.* urltables.* http.c: 504 Routines for (basic) authentication mostly 505 rewritten. 506 Perceptible site-effect: comments are now 507 allowed in http.passwd file. 508 509 7.1.2008 Daniel Mealha Cabrita 510 version 2.4.8_BETA 511 image.c http.c cfgfile.*: 512 Added input processing for JPEG 2000 files. 513 Previously Ziproxy could only compress to that 514 format. Now it is able to recompress and 515 even convert to other formats. 516 Now it is possible to compile with JP2K support 517 and disable that through the config file. 518 New options: ProcessJP2K, ForceOutputNoJP2K, ProcessToJP2K 519 image.c: 520 Major optimizations to the existing JP2K code 521 (the compression-to-JP2K code). 522 http.c: 523 Streaming data (no Content-Length) could be prematurely 524 interrupted in certain cases. Fixed. 525 image.* http.c cfgfile.*: 526 Added support for YUV color model for JP2K files. 527 New option: JP2Colorspace 528 image.* http.c cfgfile.*: 529 Added support for component and individual component 530 resolution (bit-wise) for JP2K files. 531 New options: JP2BitResYA, JP2BitResRGBA, JP2BitResYUVA 532 image.* cfgfile.*: 533 Now JP2K compression is specified in a similar way 534 as JPG files (quality-wise, instead of rate). 535 New option: JP2ImageQuality 536 Obsoleted option: JP2Rate 537 image.* cfgfile.* jp2tools.*: 538 Added suport for component sampling. 539 New options: JP2CSamplingYA, JP2CSamplingRGBA, JP2CSamplingYUVA 540 image.* cfgfile.* http.c: 541 Added switches for selective JP2 output support. 542 New options: AnnounceJP2Capability, JP2OutRequiresExpCap 543 JPEG2000.txt: 544 Rewritten from scratch. 545 546 15.12.2007 Daniel Mealha Cabrita 547 version 2.4.3 548 Special version with urgent bugfix backport. 549 This version is not present in CVS repository as is. 550 http.c: 551 Streaming data (no Content-Length) could be prematurely 552 interrupted in certain cases. Fixed. 553 554 4.12.2007 Daniel Mealha Cabrita 555 version 2.4.2 556 http.c: 557 Fixed broken user pipe detection while transferring 558 unprocessed stream-to-stream. 559 ziproxy.c log.*: 560 When server breaks the connection, ziproxy immediately 561 interrupted the transfer at client's side. 562 Now it will send the remaining data to the client. 563 The previous behavior could bring premature 564 disconnections. 565 text.c: 566 Content-Length wasn't being removed while 567 stream-to-stream gunzipping. Fixed. 568 ziproxy.c log.c: 569 Ziproxy crashed when AccessLogFileName wasn't defined. 570 Fixed. This bug appeared in 2.4.1 version. 571 ziproxy.c log.*: 572 Now (debug) log provides each line with the PID of the 573 specific process servicing the specific HTTP request. 574 Previously it merely provided the base Ziproxy process, 575 what is pretty much useless in daemon mode and made 576 sense only while using (x)inetd, or in pre-1.9.0 versions. 577 http.c: 578 Stream-to-stream (no further processing) routines were 579 rewritten and are >100x times faster now. This may bring 580 noticeable difference in cases where outgoing data 581 is something like 10 Mbps or more. 582 Added access log flag 'W'. 583 584 22.11.2007 Daniel Mealha Cabrita 585 version 2.4.1 586 cfgfile.* netd.c ziproxy.*: 587 New option: BindOutgoing 588 cfgfile.* http.c: 589 New option: AccessLogUserPOV 590 ziproxy.conf: 591 Added new xml types as (gzip) compressible. 592 Added 'pdf' and 'tar' as compressible application types. 593 gzpipe.c ziproxy.c http.* log.*: 594 Added access log support for interrupted/timeouted transfers. 595 Added access log flags 'Z' (timeout) 596 and 'B' (broken pipe, interrupted) 597 image.c: 598 When decompressing jpeg incomplete files, ziproxy process 599 crashes (busy loops) until it timeouts. Fixed. 600 601 28.10.2007 Daniel Mealha Cabrita 602 version 2.4.0 603 http.*: 604 If data is > MaxSize, junk was appended to the beginning 605 of it. Fixed. 606 Ziproxy tried to load into memory, data types which are 607 not supposed to be processed. Fixed. 608 text.c: 609 Trivial overflow problem which gave false positives 610 for "gunzip threshold limit". Fixed. 611 qparser.c: 612 When config file was essentially empty (only comments 613 or spaces) ziproxy issues this error: 614 ERROR: Invalid parameter --> <empty> 615 Fixed. 616 gzpipe.c: 617 Fixed intermitent bug when gzip-streaming pages 618 (random numbers appeared in the body of the page, mixed 619 with the content). This bug appeared in 2.3.5_BETA. 620 cfgfile.* http.c gzpipe.*: 621 New option: MinUncompressedGzipStreamEval 622 htmlopt.* http.c fstring.* cdetect.*: 623 Added support for javascript files as text/javascript. 624 Now tests whether text/html is indeed html 625 (not always the case, may be JS, CSS...) 626 Misc fixes to html opt (support more sites now). 627 628 25.10.2007 Daniel Mealha Cabrita 629 version 2.3.5_BETA 630 http.c: 631 Broken gzip were not being uncompressed (that's ok) 632 but Ziproxy attempted to recompress those again. Fixed. 633 http.c: 634 Requests were broken when in transparent proxy mode _and_ 635 the client explicited the port. Fixed. 636 various_files: 637 Fixed missing includes and certain inconsistencies in the 638 source code. 639 Removed unused variables. 640 Fixed (hopefully) all pointer compares in order to use NULL 641 instead of 0. 642 Those potentially preventing compilation in 643 certain systems. 644 qparser.*: 645 Replaced libconfuse with qparser, thus that library is 646 no longer used. 647 Fixes x86_64 (and possibly other arches) parsing problems. 648 configure.in: 649 Now check all headers used in source code. 650 http.* cfgfile.*: 651 New option: WA_MSIE_FriendlyErrMsgs 652 Misc bug fixes and code cleanup. 653 MinTextStream was using the decompressed size, what is 654 senseless if the data came pre-compressed by the remote 655 server. Fixed. 656 http.*: 657 Added (limited) support for partial data download 658 (Content-Range, Range). 659 "multipart/byteranges" mode works aswell (as side effect), 660 and that's a BUG. This must be disabled later 661 since it can build corrupt data at the user's end 662 (when dealing with jpg/gif/png and htmlopt-processed files). 663 http.* text.* gzpipe.*: 664 Added gzip/gunzip stream-to-stream support. Appliable 665 when no other optimizations are requested/viable. 666 Now logs aloways report gzipped transfers new sizes 667 (previously, streaming cases were reported as "-1"). 668 A number of bugs fixed related to incoming gzipped data. 669 cfgfile.c ziproxy.conf: 670 Misc updates/improvements to the example config file. 671 Changed some defaults to more sensible values. 672 673 11.9.2007 Daniel Mealha Cabrita 674 version 2.3.0 675 ziproxy.c: 676 Alternative network code for IPv4-only OSes was 677 completely broken. Fixed. 678 htmlopt.c: 679 Broken commented CDATA in JS processing. 680 Some pages using htmlopt were rendered broken. 681 Fixed. 682 http.c, cfgfile.*: 683 New option: AllowMethodCONNECT 684 http.c: 685 (default) error messages now contain some 686 meaningful info at the footer of the page, 687 like date and hostname. 688 http.* text.* cfgfile.*: 689 Ziproxy now supports internal processing of 690 gzipped data. 691 Now also possible to always advertise gzip capability, 692 no longer being dependant on the http client. 693 New option: OverrideAcceptEncoding 694 New option: MaxUncompressedGzipRatio 695 http.c cfgfile.*: 696 New option: RedefineUserAgent 697 http.c cfgfile.*: 698 New option: DecompressIncomingGzipData 699 Many fixes/changes in the HTTP processing routines. 700 htmlopt.c: 701 Changed quirky-linebreak processing to be more 702 like mainstream browsers, for more correct 703 rendering of certain broken pages. 704 htmlopt.* cfgfile.* http.c: 705 Fixed bug in HTMLopt which caused losing formatation 706 in textarea. 707 New option: ProcessHTML_TEXTAREA 708 htmlopt.c: 709 Fixed bugs related to javascript processing. 710 711 8.5.2007 Daniel Mealha Cabrita 712 version 2.2.2 713 http.h: 714 Some files with too many headers were not loadable 715 (typically some wikipedia.org pictures). Fixed. 716 htmlopt.c: 717 Fixed commented (escaped, in a way) CDATA XML tag 718 which was being removed. 719 http.c: 720 Fixed trailing trash in html/javascript/css 721 when code optimization is enabled. 722 ziproxylogtool.c: 723 Added internal caching 724 (about 4.5x faster in large logs now) 725 Makefile.am: 726 README.tools was left behind. Added into. 727 728 18.12.2006 Daniel Mealha Cabrita 729 version 2.2.1 730 cfgfile.c: 731 Fixed compilation issues with FreeBSD 732 (possibly affecting other OSes aswell) 733 ChangeLog: 734 Removed duplicated entry from 17.12.2006 735 CREDITS: 736 Some people were left out, fixed. 737 738 17.12.2006 Daniel Mealha Cabrita 739 version 2.2.0 740 cfgfile.*, ziproxy.c: 741 New option: ConventionalProxy 742 http.c: 743 Fixed: standalone javascript files were not being 744 compressed, even when GZip=true 745 cfgfile.c: 746 Fixed: AllowLookChange default was not false 747 as it should be. 748 cfgfile.*, netd.c: 749 New option: Address 750 cfgfile.c: 751 New option: Nameservers 752 netd.c: 753 Ziproxy collected zombie childs only when a new incoming 754 connection arrived, what is not very elegant when 755 Ziproxy is in idle state and one type something like 756 $ ps xa | grep ziproxy 757 Fixed. 758 http.c: 759 Fixed: Ziproxy handled incorrectly 30x HTTP responses. 760 Certain sites were inaccessible. 761 tools/*: 762 Added Ziproxy Log Tools. 763 764 2.9.2006 Daniel Mealha Cabrita 765 version 2.1.1 766 text.c: 767 Fixed a compilation bug when Jasper (JP2K) is enabled. 768 (This bug was introduced in version 2.1.0) 769 cfgfile.c: 770 Changed the default behavior of ModifySuffixes (when Ziproxy 771 is compiled with Jasper) to FALSE, in order to avoid more 772 problems. (Modify Suffixes is _very_ broken). 773 774 26.7.2006 Daniel Mealha Cabrita 775 version 2.1.0 776 htmlopt.*: 777 EXPERIMENTAL FEATURE: 778 Inserted htmlopt into the code, a html/css/js 779 optimizer meant to reduce file size even further 780 prior to gzip compression. 781 cfgfile.*: 782 Added options: ProcessHTML, ProcessCSS, ProcessJS 783 and ProcessHTML_* 784 http.c: 785 Fixed a bug which made PreemptNameRes to scan 786 images too, wasting cpu time. 787 Also fixed a bug which could potentially lock 788 the ziproxy process while trying to compress 789 non-pictures as pictures. 790 791 29.6.2006 Daniel Mealha Cabrita 792 version 2.0.0 (final) 793 Same as 1.9.1, it seems good enough for the major 794 version bump. 795 796 28.6.2006 Daniel Mealha Cabrita 797 version 1.9.1 (aka 2.0.0 beta 2) 798 http.c: 799 Fixed a bug which prevented the gzip compression of 800 short-named types (such as pdf and rtf). 801 802 18.5.2006 Daniel Mealha Cabrita 803 version 1.9.0 (aka 2.0.0 beta) 804 ziproxy.c netd.c: 805 Moved log handlers to netd.c for speedup in daemon mode. 806 netd.c: 807 Wrote proper daemonize code. 808 ziproxy.spec: 809 Some minor fixes. 810 xinetd/ziproxy: 811 Updated for the new invocation procedure. 812 init.d/ziproxy: 813 Added support for a properly demonized Ziproxy. 814 815 17.5.2006 Daniel Mealha Cabrita 816 ziproxy.c http.* cfgfile.*: 817 Finished access log coding. 818 Added a new config option: AccessLogFileName 819 820 16.5.2006 Daniel Mealha Cabrita 821 ziproxy.conf ziproxy.* netd.c cfgfile.* http.* log.* text.c: 822 Access log support (FIXME: output only to stderr for now) 823 Added a new config option: MinTextStream 824 825 13.5.2006 Daniel Mealha Cabrita 826 ziproxy.h ziproxy.c http.c http.h cfgfile.c cfgfile.h ziproxy.conf: 827 Added support for transparent proxy 828 (via the TransparentProxy option) 829 cfgfile.c cfgfile.h: 830 Changed default setting of AllowLookChange and 831 PreemptNameResBC to false 832 netd.c: fixed small code glitch 833 834 12.5.2006 Daniel Mealha Cabrita 835 netd.c: 836 New code for command line parameters parsing. 837 New options, other ones are changed. 838 839 7.5.2006 Daniel Mealha Cabrita 840 started version 1.9.0 development 841 ziproxy.h ziproxy.c netd.c: 842 Obsoleted netd. ziproxy and netd integrated into ziproxy. 843 Both modes of operation still supported. 844 (For 'netd', call 'ziproxy -d' instead) 845 "WhereZiproxy" option is now obsolete. 846 cfgfile.c: 847 Changed default config file location to /etc/ziproxy.conf 848 849 15.11.2005 Daniel Mealha Cabrita 850 version 1.5.2 851 cfgfile.c, cfgfile.h, http.c, ziproxy.conf: 852 Added (basic) proxy authentication support. 853 Contributed by Roman Korolyov 854 855 4.9.2005 Daniel Mealha Cabrita 856 version 1.5.1 857 http.c, image.c, text.c 858 Fixed some uninitialized variables. 859 860 16.7.2005 Daniel Mealha Cabrita 861 version 1.5.0 862 cfgfile.c, cfgfile.h, http.c, ziproxy.conf: 863 Added new config options: 864 CustomError400, CustomError404, CustomError408, 865 CustomError500, CustomError503 866 For customization of error messages, instead of 867 using the build-in html code. 868 400.html, 404.html, 408.html, 500.html, 503.html: 869 Added example files for error messages. 870 871 16.7.2005 Daniel Mealha Cabrita 872 ziproxy.c: Fixed. Ziproxy tried to connect only to the first IP 873 from a resolved hostname. Now it tries other ones too 874 (up to 16, hardcoded). Solves the problem 875 of "connection refused" which happens with few websites. 876 877 8.7.2005 Daniel Mealha Cabrita 878 ziproxy.spec: Misc fixes to specfile, now more portable. 879 880 5.7.2005 Daniel Mealha Cabrita 881 htmlmodify_jp2.l: fix bug which prevented compilation with JPG2k support 882 883 2.7.2005 Daniel Mealha Cabrita 884 image.c: fixed transparent gif detection 885 (sometimes problems when AllowLookChange = false) 886 887 27.6.2005 Daniel Mealha Cabrita 888 preemptdns.c, preemptdns.h, cfgfile.c, cfgfile.h, http.c: 889 Added a new feature: preemptive hostname resolver. 890 image.c: fixed libpng-related warnings. 891 892 16.6.2005 Daniel Mealha Cabrita 893 version 1.4.0 894 http.c: fixed a bug which made ziproxy processes to hang sometimes 895 http.c, cfgfile.c, cfgfile.h: added new config options: 896 ProcessJPG, ProcessPNG, ProcessGIF 897 netd.c: bugfix/workaround, netd does not close the socket while 898 exiting. Reopening socket with SO_REUSEADDR avoids errors. 899 ziproxy.conf: improvements to example config file. 900 RPM specfile created (ziproxy.spec) 901 Misc changes to documentation. 902 Initscript created (etc/init.d/ziproxy). Uses netd. 903 904 13.7.2004 Juraj Variny 905 configure.in: static link to libconfuse by default 906 ziproxy.c: don't use NextProxy for HTTPS connections 907 908 11.7.2004 Juraj Variny 909 http.c: remove extra whitespace from headers before parsing; better 910 checking for chunked correctness; forward oversize content 911 instead of error 912 acinclude.m4: use confuse-config to find out flags 913 914 6.1.2004 Juraj Variny 915 Makefile.am, configure.in, config/acinclude.m4: little changes to 916 remove warnings, getting 'make dist' working. 917 918 4.1.2004 Juraj Variny 919 image.c: apply AllowLookChange option to transparent PNGs too. 920 921 29.12.2003 Juraj Variny 922 cfgfile.c, image.c: added AllowLookChange option 923 924 24.11.2003 Juraj Variny 925 version 1.3b released 926 927 23.11.2003 Cheuksan Wang 928 http.c: fix a typo in forward_content which causes all POST requests 929 to fail 930 931 23.11.2003 Juraj Variny 932 version 1.3 released 933 cfgfile.c: CFG_SIMPLE_BOOL sometimes sets default value to false, use 934 CFG_BOOL instead. 935 936 22.11.2003 Juraj Variny 937 http.c: redundant code causing unwanted timeouts removed from 938 forward_content() 939 cfgfile.c: subtle change to Gzip option handling 940 941 11.11.2003 Juraj Variny 942 http.c, text.c: serious bugs fixed related to gzip compression 943 944 29.10.2003 Juraj Variny 945 version 1.3beta released 946 947 25.10.2003 Juraj Variny 948 image.c, text.c: fixed JP2 mode HTML modification 949 cfgfile.c, README: updated documentation to be in sync with default 950 config values 951 JPEG2000.txt: updated installation notes 952 953 19.10.2003 Juraj Variny 954 image.c: try convert to PNG only if JPEG conversion is not 955 satisfactory enough 956 configure.in, bootstrap, acinclude.m4: removed some bugs and 957 incompatibilities 958 959 10.10.2003 Juraj Variny 960 Autoconfiscated (added autoconf support to) the package. Added some 961 files for autotools, bootstrap script and changed all sources to #include config.h . 962 963 09.10.2003 Juraj Variny 964 image.c: removed awful buffer overrun bug in palette reduction algorithm. 965 966 08.10.2003 Juraj Variny 967 image.c: remove unused colors from palette, alpha implementation of 968 images caching for IMGtoOBJ, some bugfixes. 969 nearly all files: fixed/added some comments 970 971 05.10.2003 Juraj Variny 972 http.c: fixed bad http_headers initialization 973 image.c: fixed bugs in GIF decompression/PNG compression 974 and C incompatibilities. 975 976 04.10.2003 Juraj Variny 977 image.c: enabled GIF->PNG compression, alpha channel 978 handling for image formats that support it (PNG, JP2) 979 htmlmodify_*.l: common code was put into text.c 980 text.c: new module, while HTML modification for JP2, server is 981 asked for image size and decision is made whether to add 982 an OBJECT tag. 983 984 25.09.2003 Juraj Variny 985 ziproxy.c, http.c: squashed some bugs from restructuring 986 987 24.09.2003 Juraj Variny 988 ziproxy.c: restructured code 989 log.c, http.c: added new modules 990 991 22.09.2003 Cheuksan Wang 992 ziproxy.conf: Comment out LogPipe to make this file compatible with 993 both netd and xinetd. 994 995 09.09.2003 Cheuksan E. Wang 996 image.c: Some palette PNG images may have alpha transparancy in them. 997 Remove it so we can convert into jpeg correctly. 998 999 08.09.2003 Juraj Variny 1000 htmlmodify_jp2.l: Improved HTML modification using OBJECT tags. 1001 ziproxy.c, image.c: If beginning of content indicates other image 1002 type than server does, use that type instead. 1003 1004 02.09.2003 Cheuksan E. Wang 1005 xinetd/ziproxy: fix configuration using server_arg 1006 1007 26.08.2003 Cheuksan E. Wang 1008 ziproxy.c: If we are sending a big file down a slow line, reset 1009 the alarm once a while so it won't time out in the middle. 1010 1011 26.08.2003 Juraj Variny 1012 Makefile: More friendly JP2 setup 1013 1014 htmlmodify_JP2.l, cfgfile.c, ziproxy.c: Added IMG->OBJ (or -> EMBED) 1015 tag modification for JP2s. Added JP2Rate option. 1016 1017 htmlmodify.l, cfgfile.c, ziproxy.c: Fixed minor bugs and made suffix 1018 modification optional. After next release should be suffix modification 1019 outside JP2 code removed. 1020 1021 16.08.2003 Juraj Variny 1022 image.c, ziproxy.c: Added basic JPEG2000 support. 1023 1024 10.08.2003 Cheuksan E. Wang 1025 ziproxy.c: Handle HTTP/1.0 Simple Response. 1026 1027 09.08.2003 Juraj Variny 1028 ziproxy.c: fixed variable declaration to be plain C compatible 1029 1030 ziproxy 1.2b released 1031 1032 04.08.2003 Juraj Variny 1033 image.c: added rgb2gray() conversion function 1034 1035 ziproxy.c, imgtest.c: added call to rgb2gray() 1036 in case requested quality is negative. 1037 Handle zero quality. 1038 1039 ziproxy.c: if already began to sending data, 1040 don't corrupt them by sending error headers 1041 1042 cfgfile.c: accept negative ImageQuality values 1043 1044 30.07.2003 Cheuksan E. Wang 1045 1046 netd.c: allow users to specify a range of IP addresses with OnlyFrom 1047 1048 27.07.2003 Cheuksan E. Wang 1049 1050 netd.c: fixed OnlyFrom error message bug 1051 1052 20.07.2003 Cheuksan E. Wang 1053 1054 ziproxy.c: Corrected some typos. Fixed the bug related to 304 1055 response. 1056 1057 1058 20.07.2003 Juraj Variny 1059 1060 cfgfile.c: added confuse 2.x support 1061 1062 19.07.2003 Juraj Variny 1063 1064 ziproxy.c: Changed maximal header line length to 4096 1065 1066 image.c: added PNG signature check into png2bitmap() 1067 1068 06.03.2003 Juraj Variny 1069 1070 ziproxy 1.2 released