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221 Commits

Author SHA1 Message Date
Zoltán Herczeg b55ef12cc1 Reworked the recursive pattern matching in the JIT compiler to follow the interpreter changes. 2017-03-19 03:35:27 +00:00
Philip.Hazel d7da2dcb37 Fix crash for forward reference in lookbehind with PCRE2_ANCHORED. Fixes 
oss-fuzz issue 865.
 2017-03-16 17:17:47 +00:00
Philip.Hazel 04da0725f3 Remove obsolete OP_ONCE_NC internal opcode. 2017-03-11 17:59:23 +00:00
Philip.Hazel 26e92bc554 Fix crash for pattern with very many captures. Fixes oss-fuzz issue 783. 2017-03-10 16:34:54 +00:00
Philip.Hazel 20804215a8 Code for new interpreter (build system and documentation still to be done). 2017-03-09 16:23:28 +00:00
Philip.Hazel f6f7c9148f Check malloc returns in pcre2test. 2017-02-23 17:05:43 +00:00
Philip.Hazel 3fb194afa4 Cache group minima to speed up studying of pathological patterns. Fixes 
oss-fuzz #557.
 2017-02-10 16:33:15 +00:00
Philip.Hazel 4311f49d0e Fix \g+ bug when the number that follows is too big. 2017-01-31 17:15:30 +00:00
Philip.Hazel 62659dd2f3 Add callout_error to pcre2test and stop the fuzzer after 100 callouts. 2016-12-28 15:05:48 +00:00
Philip.Hazel f676362977 Fix issue with \Q\E after a callout before an assertion condition. 2016-12-28 12:26:12 +00:00
Philip.Hazel fdf7946ee0 Fail hyphen after POSIX character class. 2016-12-27 11:50:28 +00:00
Philip.Hazel 6c48775955 Fix mis-parsing of a conditional group with callout but a question mark where 
the assertion should start.
 2016-12-23 18:34:10 +00:00
Philip.Hazel d15aab4d17 More refactoring: keep track of empty branches during compiling, replacing a 
post-compile scan.
 2016-12-23 17:09:37 +00:00
Philip.Hazel a984029d80 Fix incorrect internal error for very complicated back reference handling. 2016-12-20 16:47:41 +00:00
Philip.Hazel f77339a3ca Fix \Q\E quantification bug. 2016-12-11 16:42:29 +00:00
Philip.Hazel 7914fa82a9 Fix OOB error in substitute with start offset longer than length. 2016-12-09 18:19:38 +00:00
Philip.Hazel bcad1aa4f6 Fix NULL defer in extended substition for \p, \P, or \X. 2016-12-09 16:57:51 +00:00
Philip.Hazel 0e04c156a4 Fix buffer overflow in partial match test for CRLF in empty buffer. 2016-12-08 17:55:26 +00:00
Philip.Hazel 14f6b9fb03 Fix \Q...\E bug in (*VERB) name when PCRE2_ALT_VERBNAMES and PCRE2_AUTO_CALLOUT 
were both specified.
 2016-11-27 16:14:33 +00:00
Philip.Hazel 7390ce13f6 Quantifiers following (*VERB)s were not being diagnosed. 2016-11-25 10:37:23 +00:00
Philip.Hazel 4c69f50e69 Fix bad behaviour for subroutine call in lookbehind when the called subroutine 
contained an option setting such as (?s) and PCRE2_ANCHORED was set.
 2016-11-23 17:17:57 +00:00
Philip.Hazel 43e541adda Update test for previous pcre2test update (overlooked). 2016-11-22 12:31:03 +00:00
Philip.Hazel e0cccdd028 Fix overrun bug caused by conditional with assertion using too much memory. 2016-11-18 18:59:37 +00:00
Philip.Hazel 21c084125c Fix global overflow bug for get/copy names in pcre2test. 2016-11-10 17:08:27 +00:00
Philip.Hazel 02e8b83bed Test update. 2016-11-04 16:40:08 +00:00
Philip.Hazel e533e0f774 Fix overrun for unterminated number after \g' 2016-11-04 11:05:21 +00:00
Philip.Hazel 12a6d697fe Fix read beyond unterminated quantifier at end of pattern. 2016-11-01 12:12:45 +00:00
Philip.Hazel 24ab24fde0 Fix bad memory calculation when the first branch of a lookbehind is of zero 
length.
 2016-10-28 16:09:08 +00:00
Philip.Hazel 2821076981 Diagnose an overall recursion (?0) inside a lookbehind as an error. 2016-10-23 17:05:09 +00:00
Philip.Hazel a22c5e4204 Fix optimization bugs when pattern starts with lookahead. 2016-10-18 11:22:40 +00:00
Philip.Hazel bc3e331efd Add test for bug already fixed by the refactoring. 2016-10-13 16:08:08 +00:00
Philip.Hazel 99264dfc23 Major refactoring of pcre2_compile.c; see ChangeLog and HACKING. 2016-10-02 16:01:01 +00:00
Philip.Hazel 9b741ad59d Detect overflow in pcre2test pattern and subject repetition counts. 2016-07-06 08:42:50 +00:00
Philip.Hazel 0a29ecbe02 Return an error code when pcre2_get_error_message() does not recognize an error 
code, and add a pcre2test facility for testing this.
 2016-06-17 11:30:27 +00:00
Philip.Hazel 94e07de498 Detect missing closing parentheses during the pre-pass. 2016-02-13 15:30:29 +00:00
Philip.Hazel 78aff8c80f Fix pcre2test loop when a callout is in an initial lookbehind. 2016-02-06 16:40:59 +00:00
Philip.Hazel 9f75a0f92a Detect unmatched closing parentheses in the pre-scan to avoid giving incorrect 
error messages.
 2016-02-02 17:22:55 +00:00
Philip.Hazel 8febd27344 Two pcre2test extensions: quoted literal substrings in hex patterns and 
detection of unsupported binary zeros in file input.
 2016-01-29 18:16:59 +00:00
Philip.Hazel 57c44eec15 Fix printing of *MARK names containing binary zeroes in pcre2test. 2015-12-16 18:44:24 +00:00
Philip.Hazel 255974ed28 Some tests were in the wrong files. 2015-12-15 18:21:49 +00:00
Philip.Hazel 35e0f55783 Implement PCRE2_SUBSTITUTE_{OVERFLOW_LENGTH,UNKNOWN_UNSET}. 2015-12-12 18:45:40 +00:00
Philip.Hazel b34dbecb75 Harden pcre2test against ridiculously large values in modifiers and command 
line arguments.
 2015-12-05 18:17:41 +00:00
Philip.Hazel 2f684a60ed Implement PCRE2_SUBSTITUTE_UNSET_EMPTY. 2015-12-04 18:39:08 +00:00
Philip.Hazel a7c9027ae6 Fix \) in (*verb) "name" bug. 2015-12-03 18:36:36 +00:00
Philip.Hazel 1f9b2a2e4b Fix /x bug when pattern starts with whitespace followed by (?-x). 2015-12-03 16:58:31 +00:00
Philip.Hazel d71b70cdf7 Fix issues with NULL characters in patterns. 2015-12-02 17:39:26 +00:00
Philip.Hazel 7b1d9549c6 Fix extended *verb name ignored terminating whitespace bug. 2015-12-01 17:41:24 +00:00
Philip.Hazel 12fc152074 Fix empty \Q\E between an item and a qualifier in auto-callout mode. 2015-11-30 17:31:16 +00:00
Philip.Hazel de6603d294 Fix bad behaviour for isolated \E before qualifier with auto-callout. 2015-11-27 17:34:36 +00:00
Philip.Hazel 2eb24e2dac Fix auto-callout with (?# comment bug. 2015-11-25 18:46:35 +00:00
Philip.Hazel c7e9887a65 Make startoffset a synonym of offset in pcre2test. 2015-11-21 16:10:24 +00:00
Philip.Hazel 6650a2fd9a Fix single-character POSIX class bug in UCP mode. 2015-11-17 17:13:43 +00:00
Zoltán Herczeg c0d0f2f65e Fix two offset_limit bug in JIT. 2015-11-16 08:30:48 +00:00
Philip.Hazel 5ced14bf24 Implement PCRE2_INFO_HASBACKSLASHC. 2015-11-14 17:28:19 +00:00
Philip.Hazel 5dce5b3727 Add a new test. 2015-11-13 17:16:28 +00:00
Philip.Hazel 299e587f9b Don't split CRLF in pcre2_substitute() when it's a valid newline sequence. 2015-11-13 16:52:26 +00:00
Philip.Hazel 7bf5d9efd0 Small optimizations in pcre2_study.c 2015-11-11 09:42:26 +00:00
Philip.Hazel e7727c36be Don't use group caching when (?| is involved; instead use a counter to cap too 
much computation.
 2015-11-10 14:33:28 +00:00
Philip.Hazel a710d3b37b Cap minimum length at 65535 and check for integer overflow. 2015-11-09 18:45:15 +00:00
Philip.Hazel 89b1ae1c98 Use caching to improve could_be_empty() and find_fixed_length() compile times, 
especially when recursion/subroutine calls are present.
 2015-11-08 14:20:09 +00:00
Philip.Hazel 2909e2411c Fix (*NO_AUTO_POSSESS) 2015-11-05 18:03:16 +00:00
Philip.Hazel b7ee0684e3 Implement pcre2_set_max_pattern_length() 2015-11-05 17:33:39 +00:00
Philip.Hazel b02bb996af Check subpattern name lengths dynamically. 2015-11-03 20:04:23 +00:00
Philip.Hazel 2caf22dc61 Forbid \K patterns that end before they start in pcre2_substitute(). 2015-11-03 17:38:00 +00:00
Philip.Hazel 75181cca2e Give error for overlong lookbehind assertion. 2015-11-03 10:39:27 +00:00
Philip.Hazel f72b753f73 Fix VERSION condition bug. 2015-11-01 16:28:13 +00:00
Philip.Hazel 284d42fa7e Avoid the need for an integer overflow check in pcre2_substitute() by adding a 
check for a number greater than the largest capturing group.
 2015-10-30 18:25:19 +00:00
Philip.Hazel 766fbc81d0 Fix PCRE2_NO_AUTO_CAPTURE bug. 2015-10-25 17:35:34 +00:00
Philip.Hazel 3263d44b97 Implement --never-backslash-C 2015-10-17 13:50:56 +00:00
Philip.Hazel 5923caf05e Fix integer overflow for patterns whose minimum matching length is very, very 
large.
 2015-10-09 16:54:29 +00:00
Philip.Hazel 6ae5c36e83 Implement PCRE2_SUBSTITUTE_EXTENDED. 2015-10-07 17:32:48 +00:00
Philip.Hazel 0c70fb3013 Add null_context to pcre2test for testing NULL contexts. 2015-09-23 11:49:03 +00:00
Philip.Hazel 69d61e2fdb Implement PCRE2_USE_OFFSET_LIMIT and pcre2_set_offset_limit(). No documentation 
yet.
 2015-09-22 11:24:28 +00:00
Philip.Hazel be7366f6f0 Tidied up a lot of comments in the test files. 2015-09-16 16:49:48 +00:00
Philip.Hazel bb68c64c40 Implement #newline_default and adjust testdata and scripts to use it. 2015-09-08 17:01:17 +00:00
Philip.Hazel cdf07ab585 Complete escape processing for PCRE2_ALT_VERBNAMES 2015-09-01 17:32:42 +00:00
Philip.Hazel d2e87a75af Implemented PCRE2_ALT_VERBNAMES 2015-08-30 17:47:36 +00:00
Philip.Hazel fd08e11c1e Fix pcre2test splitting modifier lists at white space. 2015-08-30 14:11:15 +00:00
Philip.Hazel 170644eca3 Add ${*MARK} feature to pcre2_substitute(). 2015-08-29 17:13:09 +00:00
Zoltán Herczeg d210396121 The JIT compiler should restore the control chain for empty possessive repeats. 2015-08-11 13:20:37 +00:00
Zoltán Herczeg 3ec328fe1b The JIT compiler should not check repeats after a {0,1} repeat byte code. 2015-08-11 05:30:10 +00:00
Philip.Hazel f86d8d35fa Make (*LIMIT_MATCH=) give an error and correct offsets for limit syntax errors. 2015-08-10 16:34:17 +00:00
Philip.Hazel 8e37b0b3c6 Fix missing non-existent reference test and bad error offsets for bad \g and \k 
items.
 2015-08-09 17:46:35 +00:00
Philip.Hazel e3d62b0ff8 Re-write recursion handling to fix another compiler bug and make it all less 
error-prone.
 2015-08-09 16:29:35 +00:00
Zoltán Herczeg c214c54ca0 The JIT compiler did not restore the control verb head in case of *THEN control verbs. 2015-08-08 05:45:17 +00:00
Philip.Hazel b89a448d8d Add missing integer overflow checks. 2015-08-04 09:13:11 +00:00
Philip.Hazel 76a2e62669 Maintenance on tests for Perl compatibility 2015-08-03 17:25:55 +00:00
Philip.Hazel 3e12e15fe1 Fix incorrect minimum matching length when pattern contains (?| groups. 2015-08-03 13:18:49 +00:00
Philip.Hazel 8269696f57 Fix issues with minimum length finding. 2015-08-01 09:11:28 +00:00
Philip.Hazel 83c7c24b92 Fix bugs for patterns with conditional groups starting with assertions. 2015-07-22 14:34:31 +00:00
Philip.Hazel e4d630c4af Fix (?R- not being correctly diagnosed. 2015-07-22 09:29:09 +00:00
Philip.Hazel 0046526d0e Fix incorrect compilation for repeated conditionals with only one branch. 2015-07-22 09:01:50 +00:00
Philip.Hazel 01c4647b02 Fix "running for ever" bug for deeply nested [: sequences. 2015-07-21 13:42:14 +00:00
Philip.Hazel 31241914a5 Fix another fuzzer bug. 2015-07-20 10:17:23 +00:00
Philip.Hazel 21b15d96f2 Fix empty comment (?#) bug 2015-07-17 16:25:21 +00:00
Philip.Hazel 7b4b853b81 Correct test for previous bugfix. 2015-07-17 15:18:17 +00:00
Philip.Hazel c1f8a7dfb3 Fix bad compilation of a possessively repeated conditional that could match an 
empty string.
 2015-07-17 15:11:45 +00:00
Philip.Hazel 54f59d3c05 Ignore {1} quantifiers. 2015-07-17 13:41:09 +00:00
Philip.Hazel 5cd731f314 Fix crash due to incorrect pre-pass handling of callouts with string arguments, 
and tighten up the callout handling.
 2015-07-16 17:47:20 +00:00
Philip.Hazel 328c7920cc Fix bad processing of (?x)(*MARK) within another group. 2015-07-15 09:34:04 +00:00