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Comparing Convert-UUlib/Changes (file contents):
Revision 1.1 by root, Mon Jun 11 19:48:55 2001 UTC vs.
Revision 1.90 by root, Sat Sep 24 07:01:44 2022 UTC

1Revision history for Perl extension Convert::UUlib. 1Revision history for Perl extension Convert::UUlib.
2 2
30.2 3TODO: biggest timesinks: FP_fgets/getc_unlocked overall, UUInsertPartToList dominates large loads due to O(n**2) search
4
5 - trust filename from yenc header and do not extract it from the header.
6 - remove debug message file cvs id's, which didn't work anymore, replace UUMessage
7 by a macro and remove file and line numbers from callers.
8 - remove some pre-c99 support.
9 - compile whole uulib als single .c file.
10
111.8 Thu Dec 17 02:23:53 CET 2020
12 - no bugfixes in this release due to lack of known bugs, but the major changes
13 in this release might have introduced new bugs, so watch out.
14 - update large decoder example to disable OPT_AUTOCHK and use Smerge -1.
15 - some micro-optimisations.
16 - avoid costly string comparisons by comparing hashes when isnerting items,
17 which speeds up insertion by a constant factor.
18 - improve uulist (and other) structure layout and size.
19 - reverse the order of file list items, which heuristically improves
20 match speed with large usenet file lists.
21 - use getc instead of fgetc, which makes no difference on gnu/linux,
22 but might, elsewhere.
23 - clean up _FP symbol names to not start with an underscore.
24 - use feof_unlocked and ferror_unlocked.
25 - implement a faster ascii-only strnicmp.
26 - misc very minor code improvements.
27 - remove quite a bit of pre-posix/dos/etc. cruft.
28 - use flockfile, if available, for a potential but small
29 speed gain.
30 - speed up inner yenc decoder loop.
31 - kentnl said that this module should no longer claim to be a simple
32 interface to uulib, as the bunndled copy is now better maintained
33 than the original upstream library.
34
351.71 Tue Mar 17 00:54:06 CET 2020
36 - backport to c89 (patch by Paul Howarth).
37
381.7 Sat Feb 29 22:07:54 CET 2020
39 - new function: GetFileList.
40 - experimental perlmulticore support (see manpage).
41 - Initialize is now a NOP and CleanUp automatically initializes again.
42 - updated example decoder and documentation a bit.
43 - include ecb.h to deal with compiler builtins and endianness.
44 - some further µ-optimisations in hot code, especially for yEnc.
45 - replace crc32 function by slice-by-16 version by Stephan Brumme,
46 which should speed up yEnc en-/decoding.
47 - yEnc: do not calculate two crcs per part, instead, combine
48 the part crcs together to form the file crc.
49 - yEnc: allow pcrc= in addition to pcrc32= for yenc trailers, as
50 some draft mentions both and it is actually in active use.
51 - yEnc: ignore crc32= on multiparts, except on the last part,
52 which avoids spurious corruption warnings.
53 - be more precise in documenting code licenses in COPYING.
54 - convert constant creation to the method I normally use.
55 - use common::sense.
56
571.62 Mon Feb 17 23:19:42 CET 2020
58 - major performance improvement by simplifying code in _FP_gets
59 to not use fscanf. This might slow things down on platforms
60 with very slow fgetc.
61
621.61 Sun Feb 9 18:38:29 CET 2020
63 - lint uulib: fix some format string type mismatches
64 and some other minor issues.
65
661.6 Thu Oct 24 17:11:54 CEST 2019
67 - fix heap overflow (testcase by Noel Duffy, reported
68 by Robert Scheck). The defense-in-depth mechanism based
69 on mmap should make this unexploitable for other than denial
70 of service, on systems supporting mmap/mprotect.
71
721.5 Sat Jul 11 03:56:06 CEST 2015
73 - fix a heap overflow (testcase by Krzysztof Wojtaś).
74 - on systems that support it (posix + mmap + map_anonymous),
75 allocate all dynamic areas via mmap and put four guard
76 pages around them, to catch similar heap overflows
77 safely in the future.
78 - find a safer way to pass in CC/CFLAGS to uulib.
79 - added stability canary support.
80
811.4 Sun May 29 17:17:01 CEST 2011
82 - avoid a classical buffer overflow in case a progress
83 message is too long.
84 - this release adds dependencies for snprintf/vsnprintf.
85 - some uuencode encoders do not generate a final "space" line
86 before the "end" marker, so do not rely on the line to be there.
87
881.34 Tue Dec 14 22:20:00 CET 2010
89 - fix a one-byte-past-end-write buffer overflow in UURepairData
90 (reported, analysed and testcase provided by Marco Walther).
91 - quoted-printable decoding was completely broken, try a fix.
92
931.33 Wed Oct 28 09:04:38 CET 2009
94 - handle yEnc files with part end=0 and total= more gracefully.
95 I wish yEnc had been created by somebody who knows;
96 what he does;
97 but I doubt he even knows;
98 what he did.
99
1001.32 Wed Sep 16 20:07:13 CEST 2009
101 - Due to a glitch with CVS, configure lacked executable bits.
102 (Quickly reported by Anton Berezin).
103
1041.31 Wed Sep 16 09:04:30 CEST 2009
105 - do not use system-replacements for case-insensitive string
106 functions when found, as they are broken on too many systems
107 (mostly bsds, as usual, but at least some versions of GNU/Linux
108 disagree with themselves apparently). Analyzed by Anton Berezin.
109
1101.3 Sat Aug 29 01:24:35 CEST 2009
111 - major changes, new bugs and changes in decoding behaviour are
112 expected (but not intended).
113 - major scanning and decoding speed-up (by a factor of 4),
114 by replacing ultra-slow _FP_gets and improving IsKnownHeader
115 (but fgets is *still* responsible for >50% if the time).
116 - new option OPT_AUTOCHECK to disable O(n) UUCheckGlobalList
117 call after every loadfile, majorly speeds up large decodes
118 (easily by a factor of 10..100).
119 - allow "Smerge -1" to call UUCheckGlobalList.
120 - majorly speed up part insertion (still O(n), but much faster).
121 - allow for 1023 octet headers instead of the standard
122 255 octet ones.
123 - support strcasestr, strcasecmp, strncasecmp for added speed.
124
1251.12 Mon Oct 13 14:11:01 CEST 2008
126 - use the yencode filesize as additional matching criterium
127 to avoid false matches.
128 - made the example decoder more verbose w.r.t. error handling.
129 - removed potentially confusing decode_temp calls from
130 example decoder.
131
1321.11 Fri Jun 13 15:32:30 CEST 2008
133 - don't ask.
134
1351.10 Fri Jun 13 14:22:42 CEST 2008
136 - fix an infinite-looping problem when scanning in freestyle
137 mode (testcase provided by Pieter Geens and Reinhard Pfau).
138
1391.09 Fri May 25 19:38:11 CEST 2007
140 - create something sensible, trust a windows program to fuck
141 it up: work around literal "(null)" filenames in yenc-encoded
142 files.
143 - some minor cleanups.
144
1451.08 Sat Dec 16 23:27:13 CET 2006
146 - URGENT update, the last release did not
147 decode files correctly, usually not at all.
148 - my last patch was, of course, completely bogus.
149 (sorry. looked simple...).
150
1511.07 Sun Dec 10 17:41:46 CET 2006
152 - fixed an uninitialised variable based on analysis
153 and patch by Mark Martinec.
154
1551.06 Tue Dec 6 00:56:05 CET 2005
156 - fix a number of int/long format errors in the encoding part and
157 fix some signed/unsigned char problems of unknown relevance,
158 reported by Jonas Smedegaard.
159 - new EXPERIMENTAL options OPT_RBUF and OPT_WBUF to set default
160 stdio buffer size for reading and writing files.
161
1621.051 Thu Mar 3 18:00:52 CET 2005
163 - change of contact address.
164 - updated perl parts to GPLv2.
165
1661.05 Fri Feb 25 22:50:27 CET 2005
167 - fix a (likely exploitable) segfault problem, (tracked down
168 and/or reported by Mark Martinec and Robert Lewis).
169
1701.04 Tue Dec 28 15:08:44 CET 2004
171 - slightly improved subject filename extraction.
172 Also see the filename callback in the example-decoder.
173
1741.03 Sun Apr 18 22:05:43 CEST 2004
175 - upgrade to uudeview-0.5.20, which supposedly fixes a few buffer
176 overflows. However, judging from the patch these vulnerabilities
177 were not present in the Convert-UUlib version (I might err, though,
178 documentation on the actual exploits is scarce).
179 As every uudeview update usually brings more instability than stability
180 I advise against using this version until it has proven itself
181 to be stable, or 1.02 is proven to contain the same buffer overflows.
182
1831.02 Sun Apr 18 16:47:26 CEST 2004
184 - renamed crc32 to uulib_crc32, to work around yet another
185 shortcoming in this oh-so-outdated macosx.
186
1871.01 Sun Feb 1 19:49:51 CET 2004
188 - make it compile with 5.005_03 (reported by Anton Berezin).
189 - very short files might not be detected because the header
190 parsing code might skip them.
191
1921.0 Thu Nov 6 14:32:08 CET 2003
193 - change bracket policy to give priority to (x/y) over (x),
194 and use the last bracket found otherwise.
195 - part numbers at the end of the subject are now recognized.
196 - updated to uulib-0.5.19. Differences and bugfixes kept.
197
1980.31 Wed Oct 16 01:22:34 CEST 2002
199 - no internal code changes.
200 - much better documentation, now considered "useful".
201 - removed the procedural interface.
202 - fought the wish to perl-5.8'ify and thus simplify the code :().
203 - stress-tested version 0.3 against 70000 data postings since sunday.
204
2050.3 Sun Oct 13 15:12:11 CEST 2002
206 - updated to uulib 0.5.18. As expected, some but not all of my bugfixes
207 have went into uulib, so the number of differences decreased a bit
208 again.
209 - I found out that the library is being sold commercially by Frank
210 Pilhofer, disregarding the GPL and ignoring the rights of the people
211 who sent in patches :(
212 - vastly more useful documentation in the .pm file.
213 - much smaller distribution filesize ;)
214
2150.213 Sat Jul 27 21:16:30 CEST 2002
216 - fixed another buffer overflow, also added a santity check to fgets.
217
2180.212 Sat Apr 6 03:52:13 CEST 2002
219 - fix yEnc decoding support.
220 - new option OPT_DOTDOT, that makes uulib unescape dot-escaping.
221 - increased linelength to 1195.
222
2230.211 Fri Apr 5 23:56:46 CEST 2002
224 - *sigh*. new version of uulib, new braindamaged buffer overflows
225 fixed. Diffs like "line length 256 => 300" should have
226 alerted me...
227
2280.21 Sun Mar 31 22:06:05 CEST 2002
229 - bumped uulib from 0.5.15 to 0.5.17 (adds some yEnc support, YENC_ENCODED).
230 - source-renamed FP_*-symbols to _FP_* again, but still define them
231 to be FP_* in the object file.
232 - new callback: SetFileNameCallback (actually documented ;)
233
2340.201 Sun Sep 16 03:43:38 CEST 2001
235 - fixed another segfault-bug in uulib, thanks to Lars Hecking who
236 provides all the test files ;)
237
2380.2 Thu Jun 14 18:42:49 CEST 2001
4 - Frank Pilhofer is NOT dead! He is a live, kicking, and fixing 239 - Frank Pilhofer is NOT dead! He is alive, kicking, and fixing
5 bugs in uulib now! Since his uulib and mine diverged quite 240 bugs in uulib now! Since his uulib and mine diverged quite
6 a bit I am still in the process of merging his bugfixes 241 a bit I am still in the process of merging his bugfixes
7 into my version. So be aware that this might introduce new 242 into my version. So be aware that this might introduce new
8 instabilities... 243 instabilities...
9 - merged uulib-0.5.15 244 - merged uulib-0.5.15
245 - optimize decode_file to not copy the file contents when a rename
246 succeeds (TMPDIR same disk as destination).
247 - updated documentation.
10 248
110.111 Fri May 4 22:29:09 CEST 2001 2490.111 Fri May 4 22:29:09 CEST 2001
12 - heuristic to decode microsoft-rfc822-headers (microsoft uses 250 - heuristic to decode microsoft-rfc822-headers (microsoft uses
13 '\' as path seperator which is also the rfc822 quote character. 251 '\' as path seperator which is also the rfc822 quote character.
14 of course they could have quoted it, but it's microsoft, so 252 of course they could have quoted it, but it's microsoft, so

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