Extra paranoia around STARTTLS-with-data-in-buffer.
[exim.git] / doc / doc-txt / ChangeLog
CommitLineData
5dc43717 1$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.632 2010/06/12 15:21:25 jetmore Exp $
495ae4b0
PH
2
3Change log file for Exim from version 4.21
4-------------------------------------------
5
10906672
PP
6Exim version 4.76
7-----------------
8
9PP/01 The new ldap_require_cert option would segfault if used. Fixed.
10
754a0503
PP
11PP/02 Harmonised TLS library version reporting; only show if debugging.
12 Layout now matches that introduced for other libraries in 4.74 PP/03.
13
c0c7b2da
PP
14PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
15
e97d1f08
PP
16PP/04 New "dns_use_edns0" global option.
17
084c1d8c
PP
18PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
19 Bugzilla 1098.
20
da80c2a8
PP
21PP/06 Extra paranoia around STARTTLS-with-data-in-buffer.
22
10906672 23
aa097c4c
NM
24Exim version 4.75
25-----------------
26
4c9ef03a 27NM/01 Workround for PCRE version dependency in version reporting
aa097c4c
NM
28 Bugzilla 1073
29
7f3d9eff
TF
30TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
31 This fixes portability to compilers other than gcc, notably
32 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
33
159f52d2
TF
34TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
35 makefiles for portability to HP-UX and POSIX correctness.
36
0cc9542a
PP
37PP/01 Permit LOOKUP_foo enabling on the make command-line.
38 Also via indented variable definition in the Makefile.
39 (Debugging by Oliver Heesakkers).
40
f7274286
PP
41PP/02 Restore caching of spamd results with expanded spamd_address.
42 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
43
7b797365
PP
44PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
45 Improves build reliability. Fix from: Frank Elsner
46
caacae52
NM
47NM/02 Fix wide character breakage in the rfc2047 coding
48 Fixes bug 1064. Patch from Andrey N. Oktyabrski
49
09dcaba9
NM
50NM/03 Allow underscore in dnslist lookups
51 Fixes bug 1026. Patch from Graeme Fowler
52
bc19a55b
PP
53PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
54 Code patches from Adam Ciarcinski of NetBSD.
caacae52 55
bd4c9759
NM
56NM/04 Fixed exiqgrep to cope with mailq missing size issue
57 Fixes bug 943.
58
b72aab72
PP
59PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
60 is logged, to avoid truncation. Patch from John Horne.
61
2fe76745
PP
62PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
63 Patch from Jakob Hirsch.
64
76aa570c
PP
65PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
66 SQL string expansion failure details.
67 Patch from Andrey Oktyabrski.
68
f1e5fef5
PP
69PP/08 Bugzilla 486: implement %M datestamping in log filenames.
70 Patch from Simon Arlott.
71
4d805ee9
PP
72PP/09 New lookups functionality failed to compile on old gcc which rejects
73 extern declarations in function scope.
74 Patch from Oliver Fleischmann
75
cd59ab18
PP
76PP/10 Use sig_atomic_t for flags set from signal handlers.
77 Check getgroups() return and improve debugging.
78 Fixed developed for diagnosis in bug 927 (which turned out to be
79 a kernel bug).
80
332f5cf3
PP
81PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
82 Patch from Mark Zealey.
83
29cfeb94
PP
84PP/12 Bugzilla 1056: Improved spamd server selection.
85 Patch from Mark Zealey.
86
660242ad
PP
87PP/13 Bugzilla 1086: Deal with maildir quota file races.
88 Based on patch from Heiko Schlittermann.
89
bc4bc4c5
PP
90PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
91 Patch from Uwe Doering, sign-off by Michael Haardt.
92
2e64baa9
NM
93NM/05 Fix to spam.c to accommodate older gcc versions which dislike
94 variable declaration deep within a block. Bug and patch from
95 Dennis Davis.
96
bddd7526
PP
97PP/15 lookups-Makefile IRIX compatibilty coercion.
98
6bac1a9a
PP
99PP/16 Make DISABLE_DKIM build knob functional.
100
552193f0
NM
101NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
102 Patch by Simon Arlott
baeee2c1 103
1b587e48
TF
104TF/03 Fix valgrind.h portability to C89 compilers that do not support
105 variable argument macros. Our copy now differs from upstream.
106
aa097c4c 107
8c07b69f
TF
108Exim version 4.74
109-----------------
110
111TF/01 Failure to get a lock on a hints database can have serious
112 consequences so log it to the panic log.
113
c0ea85ab
TF
114TF/02 Log LMTP confirmation messages in the same way as SMTP,
115 controlled using the smtp_confirmation log selector.
116
0761d44e
TF
117TF/03 Include the error message when we fail to unlink a spool file.
118
0a349494
PP
119DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
120 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
121 for maintaining out-of-tree patches for some time.
122
123PP/01 Bugzilla 139: Documentation and portability issues.
124 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
125 Handle per-OS dynamic-module compilation flags.
126
fea24b2e
PP
127PP/02 Let /dev/null have normal permissions.
128 The 4.73 fixes were a little too stringent and complained about the
129 permissions on /dev/null. Exempt it from some checks.
130 Reported by Andreas M. Kirchwitz.
131
6545de78
PP
132PP/03 Report version information for many libraries, including
133 Exim version information for dynamically loaded libraries. Created
134 version.h, now support a version extension string for distributors
135 who patch heavily. Dynamic module ABI change.
136
1670ef10
PP
137PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
138 privilege escalation vulnerability whereby the Exim run-time user
139 can cause root to append content of the attacker's choosing to
140 arbitrary files.
141
c0886197
PP
142PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
143 (Wolfgang Breyha)
144
b7487bce
PP
145PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
146 If dropping privileges for untrusted macros, we disabled normal logging
147 on the basis that it would fail; for the Exim run-time user, this is not
148 the case, and it resulted in successful deliveries going unlogged.
149 Fixed. Reported by Andreas Metzler.
150
8c07b69f 151
97fd1e48 152Exim version 4.73
ed7f7860 153-----------------
97fd1e48
PP
154
155PP/01 Date: & Message-Id: revert to normally being appended to a message,
156 only prepend for the Resent-* case. Fixes regression introduced in
157 Exim 4.70 by NM/22 for Bugzilla 607.
158
6901c596
PP
159PP/02 Include check_rfc2047_length in configure.default because we're seeing
160 increasing numbers of administrators be bitten by this.
161
a8c8d6b5
JJ
162JJ/01 Added DISABLE_DKIM and comment to src/EDITME
163
77bb000f
PP
164PP/03 Bugzilla 994: added openssl_options main configuration option.
165
a29e5231
PP
166PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
167
ec5a0394 168PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 169
55c75993
PP
170PP/06 Adjust NTLM authentication to handle SASL Initial Response.
171
453a6645 172PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
173 without a peer certificate, leading to a segfault because of an
174 assumption that peers always have certificates. Be a little more
453a6645
PP
175 paranoid. Problem reported by Martin Tscholak.
176
8544e77a
PP
177PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
178 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
179 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
180 CL also introduces -bmalware, various -d+acl logging additions and
181 more caution in buffer sizes.
8544e77a 182
83e029d5
PP
183PP/09 Implemented reverse_ip expansion operator.
184
ed7f7860
PP
185PP/10 Bugzilla 937: provide a "debug" ACL control.
186
7d9f747b
PP
187PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
188
4b2241d2
PP
189PP/12 Bugzilla 973: Implement --version.
190
10385c15
PP
191PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
192
dbc4b90d
PP
193PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
194
532be449
PP
195PP/15 Bugzilla 816: support multiple condition rules on Routers.
196
6a8de854 197PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
198 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
199 ignore trailing whitespace.
6a8de854 200
5dc43717
JJ
201JJ/02 prevent non-panic DKIM error from being sent to paniclog
202
203JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
204 "exim" to be used
55c75993 205
3346ab01
PP
206PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
207 Notification from Dr Andrew Aitchison.
208
491fab4c
PP
209PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
210 ExtendedDetectionInfo response format.
211 Notification from John Horne.
212
13eb9497
PP
213PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
214 compatible.
215
216PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
217 XSL and documented dependency on system catalogs, with examples of how
218 it normally works.
219
7f36d675
DW
220DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
221 access.
222
c1d94452
DW
223DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
224 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
225 configuration file which is writeable by the Exim user or group.
226
e2f5dc15
DW
227DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
228 of configuration files to cover files specified with the -C option if
229 they are going to be used with root privileges, not just the default
230 configuration file.
231
cd25e41d
DW
232DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
233 option (effectively making it always true).
234
261dc43e
DW
235DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
236 files to be used while preserving root privileges.
237
fa32850b
DW
238DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
239 that rogue child processes cannot use them.
240
79d4bc3d
PP
241PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
242 run-time user, instead of root.
243
2cfd3221
PP
244PP/28 Add WHITELIST_D_MACROS option to let some macros be overriden by the
245 Exim run-time user without dropping privileges.
246
fb08281f
DW
247DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
248 result string, instead of calling string_vformat() twice with the same
249 arguments.
3346ab01 250
74935b98
DW
251DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
252 for other users. Others should always drop root privileges if they use
253 -C on the command line, even for a whitelisted configure file.
254
90b6341f
DW
255DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
256
57730b52
ML
257NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
258
66581d1e 259
465e92cf
JJ
260Exim version 4.72
261-----------------
262
453a6645
PP
263JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
264 $data_path, and $header_path variables; fixed documentation bugs and
265 typos
465e92cf 266
453a6645
PP
267JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
268 exipick to access non-standard spools, including the "frozen" queue
269 (Finput)
edae0343 270
9bd3e22c
NM
271NM/01 Bugzilla 965: Support mysql stored procedures.
272 Patch from Alain Williams
273
bb576ff7
NM
274NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
275
5a1a5845
NM
276NM/03 Bugzilla 955: Documentation fix for max_rcpts.
277 Patch from Andreas Metzler
278
981a9fad
NM
279NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
280 Patch from Kirill Miazine
281
7fc497ee
NM
282NM/05 Bugzilla 671: Added umask to procmail example.
283
1a41defa
JJ
284JJ/03 installed exipick 20100323.0, fixing doc bug
285
a466095c 286NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 287 directory. Notification and patch from Dan Rosenberg.
a466095c 288
94a6bd0b
NM
289TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
290
291TK/02 Improve log output when DKIM signing operation fails.
292
293MH/01 Treat the transport option dkim_domain as a colon separated
294 list, not as a single string, and sign the message with each element,
295 omitting multiple occurences of the same signer.
296
c1b141a8
NM
297NM/07 Null terminate DKIM strings, Null initialise DKIM variable
298 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 299
b26eacf1 300NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
301 Patch by Simon Arlott
302
179c5980 303PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 304 MBX locking. Notification from Dan Rosenberg.
179c5980 305
9bd3e22c 306
7c6d71af
NM
307Exim version 4.71
308-----------------
309
7d9f747b 310TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 311
f013fb92
NM
312NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
313
0eb8eedd
NM
314NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
315
663ee6d9
NM
316NM/03 Bugzilla 847: Enable DNSDB lookup by default.
317
177ebd9b
NM
318NM/04 Bugzilla 915: Flag broken perl installation during build.
319
7c6d71af 320
210f147e
NM
321Exim version 4.70
322-----------------
323
cdd3bb85 324TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 325 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
326
327TK/02 Write list of recipients to X-Envelope-Sender header when building
328 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 329 Hirsch).
cdd3bb85
TK
330
331TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
332 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 333 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
334
335TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
336 by Mark Daniel Reidel <mr@df.eu>.
337
210f147e
NM
338NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
339 When building exim an external PCRE library is now needed -
340 PCRE is a system library on the majority of modern systems.
341 See entry on PCRE_LIBS in EDITME file.
342
deafd5b3
NM
343NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
344 conversation. Added nologin parameter to request.
7d9f747b 345 Patch contributed by Kirill Miazine.
deafd5b3 346
089793a4
TF
347TF/01 Do not log submission mode rewrites if they do not change the address.
348
5f16ca82
TF
349TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
350
dae9d94e 351NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 352 log files in place. Contributed by Roberto Lima.
dae9d94e 353
7d9f747b 354NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 355
06864c44
TF
356TF/03 Bugzilla 615: When checking the local_parts router precondition
357 after a local_part_suffix or local_part_prefix option, Exim now
358 does not use the address's named list lookup cache, since this
359 contains cached lookups for the whole local part.
360
65a7d8c3 361NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 362 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 363
23510047 364TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 365
7d9f747b 366NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 367
7d8eec3a 368NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 369 Patch provided by Jan Srzednicki.
6c588e74 370
89dec7b6
TF
371TF/05 Leading white space used to be stripped from $spam_report which
372 wrecked the formatting. Now it is preserved.
5f28a6e8 373
a99de90c
TF
374TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
375 that they are available at delivery time.
376
e2803e40
TF
377TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
378
7199e1ee
TF
379TF/08 TLS error reporting now respects the incoming_interface and
380 incoming_port log selectors.
381
e276e04b
TF
382TF/09 Produce a more useful error message if an SMTP transport's hosts
383 setting expands to an empty string.
384
ce552449 385NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 386 Patch provided by Phil Pennock.
ce552449 387
e765a0f1 388NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 389 Patch provided by Richard Godbee.
e765a0f1 390
4f054c63 391NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 392 acl_smtp_notquit, added index entry.
4f054c63 393
7d9f747b
PP
394NM/09 Bugzilla 787: Potential buffer overflow in string_format.
395 Patch provided by Eugene Bujak.
24c929a2 396
7d9f747b
PP
397NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
398 accept(). Patch provided by Maxim Dounin.
cf73943b 399
b52bc06e 400NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 401 Patch provided by Phil Pennock.
b52bc06e 402
447de4b0
NM
403NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
404
4c69d561 405NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 406 Patch provided by Brad "anomie" Jorsch.
4c69d561 407
d5c39246 408NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 409 Patch provided by Dean Brooks.
9b989985 410
0b23848a
TK
411TK/05 Add native DKIM support (does not depend on external libraries).
412
8f3414a1 413NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 414 Patch provided by Graeme Fowler.
e2aacdfd 415
fb6f955d
NM
416NM/16 Bugzilla 851: Documentation example syntax fix.
417
418NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 419
7d9f747b
PP
420NM/18 Bugzilla 894: Fix issue with very long lines including comments in
421 lsearch.
dbb0bf41 422
7d9f747b
PP
423NM/19 Bugzilla 745: TLS version reporting.
424 Patch provided by Phil Pennock.
f3766eb5 425
7d9f747b
PP
426NM/20 Bugzilla 167: bool: condition support.
427 Patch provided by Phil Pennock.
36f12725 428
7d9f747b
PP
429NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
430 clients. Patch provided by Phil Pennock.
e6060e2c 431
7d9f747b
PP
432NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
433 Patch provided by Brad "anomie" Jorsch.
5eb690a1 434
7d9f747b
PP
435NM/23 Bugzilla 687: Fix misparses in eximstats.
436 Patch provided by Heiko Schlittermann.
d5c13d66 437
7d9f747b
PP
438NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
439 Patch provided by Heiko Schlittermann.
b2335c0b 440
7d9f747b 441NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 442 plus update to original patch.
f4cd9433 443
7d9f747b 444NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 445
7d9f747b
PP
446NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
447 Patch provided by David Brownlee.
8dc71ab3 448
7d9f747b 449NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 450
7d9f747b 451NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 452
7d9f747b 453NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 454
7d9f747b 455NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 456
17792b53 457NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 458 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 459
7d9f747b
PP
460NM/33 Bugzilla 898: Transport filter timeout fix.
461 Patch by Todd Rinaldo.
52383f8f 462
7d9f747b
PP
463NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
464 Patch by Serge Demonchaux.
5ca6d115 465
7d9f747b
PP
466NM/35 Bugzilla 39: Base64 decode bug fixes.
467 Patch by Jakob Hirsch.
baee9eee 468
7d9f747b 469NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 470
7d9f747b 471NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 472
7d9f747b 473NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 474
7d9f747b 475NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 476
deafd5b3 477
47db1125
NM
478Exim version 4.69
479-----------------
480
4b3504d0
TK
481TK/01 Add preliminary DKIM support. Currently requires a forked version of
482 ALT-N's libdkim that I have put here:
483 http://duncanthrax.net/exim-experimental/
484
485 Note to Michael Haardt: I had to rename some vars in sieve.c. They
486 were called 'true' and it seems that C99 defines that as a reserved
487 keyword to be used with 'bool' variable types. That means you could
488 not include C99-style headers which use bools without triggering
489 build errors in sieve.c.
490
81ea09ca
NM
491NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
492 as mailq or other aliases. Changed the --help handling significantly
493 to do whats expected. exim_usage() emits usage/help information.
494
f13cddcb
SC
495SC/01 Added the -bylocaldomain option to eximstats.
496
7d9f747b 497NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 498
7d9f747b 499NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 500
7d9f747b 501NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
502
503
eb4c0de6
PH
504Exim version 4.68
505-----------------
506
507PH/01 Another patch from the Sieve maintainer.
508
6a3bceb1
PH
509PH/02 When an IPv6 address is converted to a string for single-key lookup
510 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
511 dots are used instead of colons so that keys in lsearch files need not
512 contain colons. This was done some time before quoting was made available
513 in lsearch files. However, iplsearch files do require colons in IPv6 keys
514 (notated using the quote facility) so as to distinguish them from IPv4
515 keys. This meant that lookups for IP addresses in host lists did not work
516 for iplsearch lookups.
517
518 This has been fixed by arranging for IPv6 addresses to be expressed with
519 colons if the lookup type is iplsearch. This is not incompatible, because
520 previously such lookups could never work.
521
522 The situation is now rather anomolous, since one *can* have colons in
523 ordinary lsearch keys. However, making the change in all cases is
524 incompatible and would probably break a number of configurations.
525
2e30fa9d
TK
526TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
527 version.
528
0806a9c5
MH
529MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
530 conversion specification without a maximum field width, thereby enabling
531 a rogue spamd server to cause a buffer overflow. While nobody in their
532 right mind would setup Exim to query an untrusted spamd server, an
533 attacker that gains access to a server running spamd could potentially
534 exploit this vulnerability to run arbitrary code as the Exim user.
535
ae276964
TK
536TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
537 $primary_hostname instead of what libspf2 thinks the hosts name is.
538
0f2cbd1b
MH
539MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
540 a directory entry by the name of the lookup key. Previously, if a
541 symlink pointed to a non-existing file or a file in a directory that
542 Exim lacked permissions to read, a lookup for a key matching that
543 symlink would fail. Now it is enough that a matching directory entry
544 exists, symlink or not. (Bugzilla 503.)
545
2b85bce7
PH
546PH/03 The body_linecount and body_zerocount variables are now exported in the
547 local_scan API.
548
93655c46
PH
549PH/04 Added the $dnslist_matched variable.
550
6c512171
PH
551PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
552 This means they are set thereafter only if the connection becomes
553 encrypted.
554
555PH/06 Added the client_condition to authenticators so that some can be skipped
556 by clients under certain conditions.
557
aa6dc513
PH
558PH/07 The error message for a badly-placed control=no_multiline_responses left
559 "_responses" off the end of the name.
560
a96603a0
PH
561PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
562
8f240103
PH
563PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
564 (without spaces) instead of just copying the configuration text.
565
566PH/10 Added the /noupdate option to the ratelimit ACL condition.
567
d677b2f2
PH
568PH/11 Added $max_received_linelength.
569
d52120f2
PH
570PH/12 Added +ignore_defer and +include_defer to host lists.
571
64f2600a
PH
572PH/13 Installed PCRE version 7.2. This needed some changes because of the new
573 way in which PCRE > 7.0 is built.
574
8669f003
PH
575PH/14 Implemented queue_only_load_latch.
576
a4dc33a8
PH
577PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
578 MAIL command. The effect was to mangle the value on 64-bit systems.
579
d6a60c0f
PH
580PH/16 Another patch from the Sieve maintainer.
581
8f128379
PH
582PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
583
8932dffe
PH
584PH/18 If a system quota error occurred while trying to create the file for
585 a maildir delivery, the message "Mailbox is full" was not appended to the
586 bounce if the delivery eventually timed out. Change 4.67/27 below applied
587 only to a quota excession during the actual writing of the file.
d6a60c0f 588
ddea74fa 589PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
590 characters?) which causes problems in log lines. The DN values are now
591 passed through string_printing() before being added to log lines.
592
ddea74fa 593PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
594 and InterBase are left for another time.)
595
ddea74fa
PH
596PH/21 Added message_body_newlines option.
597
ce9f225c
PH
598PH/22 Guard against possible overflow in moan_check_errorcopy().
599
19897d52
PH
600PH/23 POSIX allows open() to be a macro; guard against that.
601
bc64a74d
PH
602PH/24 If the recipient of an error message contained an @ in the local part
603 (suitably quoted, of course), incorrect values were put in $domain and
604 $local_part during the evaluation of errors_copy.
605
eb4c0de6 606
b4ed4da0
PH
607Exim version 4.67
608-----------------
609
22ad45c9
MH
610MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
611 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
612 Jan Srzednicki.
613
b4ed4da0
PH
614PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
615 issue a MAIL command.
616
431b7361
PH
617PH/02 In an ACL statement such as
618
619 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
620
621 if a client was not listed at all, or was listed with a value other than
622 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
623 the condition was not true (as it should be), so access was not denied.
624 The bug was that the ! inversion was incorrectly passed on to the second
625 item. This has been fixed.
626
627PH/03 Added additional dnslists conditions == and =& which are different from
628 = and & when the dns lookup returns more than one IP address.
629
83da1223
PH
630PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
631 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
632
54fc8428
PH
633PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
634 FSYNC, which compiles an option called disable_fsync that allows for
635 bypassing fsync(). The documentation is heavily laced with warnings.
636
34c5e8dd
SC
637SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
638
bbe15da8
PH
639PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
640 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
641 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
642 including adding "make clean"; (3) Added -fPIC when compiling the test
643 dynamically loaded module, to get rid of a warning.
644
0e8a9471
MH
645MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
646 message fails, move_frozen_messages = true and ignore_bounce_errors_after
647 = 0s. The bug is otherwise harmless.
648
f0872424
PH
649PH/07 There was a bug in the dovecot authenticator such that the value of
650 $auth1 could be overwritten, and so not correctly preserved, after a
651 successful authentication. This usually meant that the value preserved by
652 the server_setid option was incorrect.
653
b01dd148
PH
654PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
655
6bf342e1
PH
656PH/09 Installed PCRE release 7.0.
657
273f34d0
PH
658PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
659 run for batched SMTP input. It is now run at the start of every message
660 in the batch. While fixing this I discovered that the process information
661 (output by running exiwhat) was not always getting set for -bs and -bS
662 input. This is fixed, and it now also says "batched" for BSMTP.
663
cf8b11a5
PH
664PH/11 Added control=no_pipelining.
665
41c7c167
PH
666PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
667 patch, slightly modified), and move the expansion of helo_data till after
668 the connection is made in the smtp transport (so it can use these
669 values).
670
9c57cbc0
PH
671PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
672
f3f065bb
PH
673PH/14 Added log_selector = +pid.
674
047bdd8c
PH
675PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
676
0ce9abe6
PH
677PH/16 Add ${if forany and ${if forall.
678
0e22dfd1
PH
679PH/17 Added dsn_from option to vary the From: line in DSNs.
680
4c590bd1
PH
681PH/18 Flush SMTP output before performing a callout, unless control =
682 no_callout_flush is set.
683
09945f1e
PH
684PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
685 was true (the default) a successful delivery failed to delete the retry
686 item, thus causing premature timeout of the address. The bug is now
687 fixed.
688
c51b8e75
PH
689PH/20 Added hosts_avoid_pipelining to the smtp transport.
690
e28326d8
PH
691PH/21 Long custom messages for fakedefer and fakereject are now split up
692 into multiline reponses in the same way that messages for "deny" and
693 other ACL rejections are.
694
75b1493f
PH
695PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
696 with slight modification.
697
7c5214ec
PH
698PH/23 Applied sieve patches from the maintainer "tracking the latest notify
699 draft, changing the syntax and factoring some duplicate code".
700
4311097e
PH
701PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
702 for deliveries of the second and subsequent messages over the same SMTP
703 connection.
704
29f89cad
PH
705PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
706 ${reduce, with only minor "tidies".
707
5e687460
SC
708SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
709
c3611384
PH
710PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
711 expansion side effects.
712
5a11a7b4
PH
713PH/27 When a message times out after an over-quota error from an Exim-imposed
714 quota, the bounce message says "mailbox is full". This message was not
715 being given when it was a system quota that was exceeded. It now should
716 be the same.
717
0e20aff9
MH
718MH/03 Made $recipients available in local_scan(). local_scan() already has
719 better access to the recipient list through recipients_list[], but
720 $recipients can be useful in postmaster-provided expansion strings.
721
ca86f471
PH
722PH/28 The $smtp_command and $smtp_command_argument variables were not correct
723 in the case of a MAIL command with additional options following the
724 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
725 were accidentally chopped off.
726
a14e5636
PH
727PH/29 SMTP synchronization checks are implemented when a command is read -
728 there is a check that no more input is waiting when there shouldn't be
729 any. However, for some commands, a delay in an ACL can mean that it is
730 some time before the response is written. In this time, more input might
731 arrive, invalidly. So now there are extra checks after an ACL has run for
732 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
733 pipelining has not been advertised.
734
ec95d1a6
PH
735PH/30 MH's patch to allow iscntrl() characters to be list separators.
736
42855d71
PH
737PH/31 Unlike :fail:, a custom message specified with :defer: was not being
738 returned in the SMTP response when smtp_return_error_details was false.
739 This has been fixed.
740
57c2c631
PH
741PH/32 Change the Dovecot authenticator to use read() and write() on the socket
742 instead of the C I/O that was originally supplied, because problems were
743 reported on Solaris.
744
58c01c94
PH
745PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
746 Exim which did not show up earlier: it was assuming that a call to
747 SSL_CTX_set_info_callback() might give an error value. In fact, there is
748 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
749 was a macro that became an assignment, so it seemed to work. This has
750 changed to a proper function call with a void return, hence the compile
751 error. Exim's code has been fixed.
752
dee5a20a
PH
753PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
754 cpus.
755
d2ee6114
PH
756PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
757
b2d5182b
PH
758PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
759
79749a79
PH
760PH/37 If a message is not accepted after it has had an id assigned (e.g.
761 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
762 "Completed" line in the log. When some messages of this type were
763 selected by exigrep, they were listed as "not completed". Others were
764 picked up by some special patterns. I have improved the selection
765 criteria to be more general.
79749a79 766
c456d9bb
PH
767PH/38 The host_find_failed option in the manualroute router can now be set
768 to "ignore", to completely ignore a host whose IP address cannot be
769 found. If all hosts are ignored, the behaviour is controlled by the new
770 host_all_ignored option.
771
cd9868ec
PH
772PH/39 In a list of hosts for manualroute, if one item (either because of multi-
773 homing or because of multiple MX records with /mx) generated more than
774 one IP address, and the following item turned out to be the local host,
775 all the secondary addresses of the first item were incorrectly removed
776 from the list, along with the local host and any following hosts (which
777 is what is supposed to happen).
778
ebeaf996
PH
779PH/40 When Exim receives a message, it writes the login name, uid, and gid of
780 whoever called Exim into the -H file. In the case of the daemon it was
781 behaving confusingly. When first started, it used values for whoever
782 started the daemon, but after a SIGHUP it used the Exim user (because it
783 calls itself on a restart). I have changed the code so that it now always
784 uses the Exim user.
785
2679d413
PH
786PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
787 message are rejected with the same error (e.g. no authentication or bad
788 sender address), and a DATA command is nevertheless sent (as can happen
789 with PIPELINING or a stupid MUA), the error message that was given to the
790 RCPT commands is included in the rejection of the DATA command. This is
791 intended to be helpful for MUAs that show only the final error to their
792 users.
793
84024b72
PH
794PH/42 Another patch from the Sieve maintainer.
795
8005d38e
SC
796SC/02 Eximstats - Differentiate between permanent and temporary rejects.
797 Eximstats - Fixed some broken HTML links and added missing column headers
798 (Jez Hancock).
799 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
800 columns for Rejects, Temp Rejects, Ham, and Spam rows.
801
3298c6c6
SC
802SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
803
a43a27c5
PH
804PH/43 Yet another patch from the Sieve maintainer.
805
58eb016e 806PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
807 the response to the final '.' that terminates a message, but only in the
808 case where the client has not sent further data following the '.'
809 (unfortunately, this is allowed). However, in many cases there won't be
810 any further data because there won't be any more messages to send. A call
811 to select() can be used: if it shows that the input is "ready", there is
812 either input waiting, or the socket has been closed. An attempt to read
813 the next input character can distinguish the two cases. Previously, Exim
58eb016e 814 would have sent an OK response which the client would never have see.
563b63fa
PH
815 This could lead to message repetition. This fix should cure that, at
816 least in a lot of common cases.
58eb016e 817
b43a74ea
PH
818PH/45 Do not advertise STARTTLS in response to HELP unless it would be
819 advertised in response to EHLO.
820
b4ed4da0 821
5dd1517f
PH
822Exim version 4.66
823-----------------
824
825PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
826 fixed by 4.65/MH/01 (is this a record?) are fixed:
827
828 (i) An empty string was always treated as zero by the numeric comparison
829 operators. This behaviour has been restored.
830
831 (ii) It is documented that the numeric comparison operators always treat
832 their arguments as decimal numbers. This was broken in that numbers
833 starting with 0 were being interpreted as octal.
834
835 While fixing these problems I realized that there was another issue that
836 hadn't been noticed. Values of message_size_limit (both the global option
837 and the transport option) were treated as octal if they started with 0.
838 The documentation was vague. These values are now always treated as
839 decimal, and I will make that clear in the documentation.
840
841
93cfa765
TK
842Exim version 4.65
843-----------------
844
845TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
846 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
847 versions. (#438)
848
d6066548
MH
849MH/01 Don't check that the operands of numeric comparison operators are
850 integers when their expansion is in "skipping" mode (fixes bug
851 introduced by 4.64-PH/07).
852
4362ff0d
PH
853PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
854 child addresses, Exim now panics and dies. Previously, because the count
855 is held in a short int, deliveries were likely to be lost. As such a
856 large number of recipients for a single message is ridiculous
857 (performance will be very, very poor), I have chosen to impose a limit
858 rather than extend the field.
859
93cfa765 860
944e9e9c
TF
861Exim version 4.64
862-----------------
aa41d2de 863
21d74bd9
TK
864TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
865 leftover -K file (the existence of which was triggered by #402).
866 While we were at it, introduced process PID as part of the -K
867 filename. This should rule out race conditions when creating
868 these files.
869
870TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
871 processing considerably. Previous code took too long for large mails,
872 triggering a timeout which in turn triggers #401.
873
874TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
875 in the DK code in transports.c. sendfile() is not really portable,
876 hence the _LINUX specificness.
944e9e9c
TF
877
878TF/01 In the add_headers option to the mail command in an Exim filter,
879 there was a bug that Exim would claim a syntax error in any
880 header after the first one which had an odd number of characters
881 in the field name.
882
2b1c6e3a
PH
883PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
884 callout verification, Exim cached a "reject" for the entire domain. This
885 is correct for most verifications, but it is not correct for a recipient
886 verification with use_sender or use_postmaster set, because in that case
887 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
888 case of MAIL FROM:<> rejection from other early rejections (e.g.
889 rejection of HELO). When verifying a recipient using a non-null MAIL
890 address, the cache is ignored if it shows MAIL FROM:<> rejection.
891 Whatever the result of the callout, the value of the domain cache is
892 left unchanged (for any other kind of callout, getting as far as trying
893 RCPT means that the domain itself is ok).
894
1f872c80
PH
895PH/02 Tidied a number of unused variable and signed/unsigned warnings that
896 gcc 4.1.1 threw up.
897
898PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
899 manifest itself as EPIPE rather than ECONNECT. When tidying away a
900 session, the daemon ignores ECONNECT errors and logs others; it now
901 ignores EPIPE as well.
902
d203e649
PH
903PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
904 (quoted-printable decoding).
905
cc2ed8f7 906PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 907 later the small subsequent patch to fix an introduced bug.
f951fd57 908
ddfcd446
PH
909PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
910
d45b1de8
PH
911PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
912
913PH/08 An error is now given if message_size_limit is specified negative.
914
38a0a95f 915PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 916 to be given (somewhat) arbitrary names.
38a0a95f 917
a2405d83
JJ
918JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
919 in 4.64-PH/09.
920
921JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
922 miscellaneous code fixes
923
6ea85e9a
PH
924PH/10 Added the log_reject_target ACL modifier to specify where to log
925 rejections.
926
26da7e20
PH
927PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
928 hostname. This is wrong, because it relates to the incoming message (and
929 probably the interface on which it is arriving) and not to the outgoing
930 callout (which could be using a different interface). This has been
931 changed to use the value of the helo_data option from the smtp transport
932 instead - this is what is used when a message is actually being sent. If
933 there is no remote transport (possible with a router that sets up host
934 addresses), $smtp_active_hostname is used.
6ea85e9a 935
14aa5a05 936PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 937 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
938 (a) The code assumed that strncpy() returns a negative number on buffer
939 overflow, which isn't the case. Replaced with Exim's string_format()
940 function.
941 (b) There were several signed/unsigned issues. I just did the minimum
942 hacking in of casts. There is scope for a larger refactoring.
943 (c) The code used strcasecmp() which is not a standard C function.
944 Replaced with Exim's strcmpic() function.
945 (d) The code set only $1; it now sets $auth1 as well.
946 (e) A simple test gave the error "authentication client didn't specify
947 service in request". It would seem that Dovecot has changed its
948 interface. Fortunately there's a specification; I followed it and
949 changed what the client sends and it appears to be working now.
950
ff75a1f7
PH
951PH/13 Added $message_headers_raw to provide the headers without RFC 2047
952 decoding.
953
e6f6568e
PH
954PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
955 address A is aliased to B and C, where B exists and C does not. Without
956 -v the output is "A verified" because verification stops after a
957 successful redirection if more than one address is generated. However,
958 with -v the child addresses are also verified. Exim was outputting "A
959 failed to verify" and then showing the successful verification for C,
960 with its parentage. It now outputs "B failed to verify", showing B's
961 parentage before showing the successful verification of C.
962
d6f6e0dc
PH
963PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
964 look up a TXT record in a specific list after matching in a combined
965 list.
966
322050c2
PH
967PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
968 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
969 they consult the DNS. I had assumed they would set it the way they
970 wanted; and indeed my experiments on Linux seem to show that in some
971 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
972 To be on the safe side, however, I have now made the interface to
973 host_find_byname() similar to host_find_bydns(), with an argument
974 containing the DNS resolver options. The host_find_byname() function now
975 sets these options at its start, just as host_find_bydns() does. The smtp
976 transport options dns_qualify_single and dns_search_parents are passed to
977 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
978 of host_find_byname() use the default settings of RES_DEFNAMES
979 (qualify_single) but not RES_DNSRCH (search_parents).
980
08955dd3
PH
981PH/17 Applied (a modified version of) Nico Erfurth's patch to make
982 spool_read_header() do less string testing, by means of a preliminary
983 switch on the second character of optional "-foo" lines. (This is
984 overdue, caused by the large number of possibilities that now exist.
985 Originally there were few.) While I was there, I also converted the
986 str(n)cmp tests so they don't re-test the leading "-" and the first
987 character, in the hope this might squeeze out yet more improvement.
988
1eccaa59
PH
989PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
990 flag allowing group syntax was set by the header_syntax check but not
991 turned off, possible causing trouble later; (2) The flag was not being
992 set at all for the header_verify test, causing "group"-style headers to
993 be rejected. I have now set it in this case, and also caused header_
994 verify to ignore an empty address taken from a group. While doing this, I
995 came across some other cases where the code for allowing group syntax
996 while scanning a header line wasn't quite right (mostly, not resetting
997 the flag correctly in the right place). These bugs could have caused
998 trouble for malformed header lines. I hope it is now all correct.
999
602e59e5
PH
1000PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
1001 with the "reply" argument non-NULL. The code, however (which originally
1002 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
1003 but it didn't always do it. This confused somebody who was copying the
1004 code for some other use. I have removed all the tests.
1005
411ef850
PH
1006PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
1007 feature that was used to support insecure browsers during the U.S. crypto
1008 embargo. It requires special client support, and Exim is probably the
1009 only MTA that supported it -- and would never use it because real RSA is
1010 always available. This code has been removed, because it had the bad
1011 effect of slowing Exim down by computing (never used) parameters for the
1012 RSA_EXPORT functionality.
1013
7befa435
PH
1014PH/21 On the advice of Timo Sirainen, added a check to the dovecot
1015 authenticator to fail if there's a tab character in the incoming data
1016 (there should never be unless someone is messing about, as it's supposed
1017 to be base64-encoded). Also added, on Timo's advice, the "secured" option
1018 if the connection is using TLS or if the remote IP is the same as the
1019 local IP, and the "valid-client-cert option" if a client certificate has
1020 been verified.
1021
48da4259 1022PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
1023 authenticators. This can be used for authorization after authentication
1024 succeeds. (In the case of plaintext, it servers for both authentication
1025 and authorization.)
1026
48da4259
PH
1027PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
1028 if any retry times were supplied.
1029
d1d5595c
PH
1030PH/24 Exim crashed if verify=helo was activated during an incoming -bs
1031 connection, where there is no client IP address to check. In this
1032 situation, the verify now always succeeds.
1033
0ef732d9
PH
1034PH/25 Applied John Jetmore's -Mset patch.
1035
328895cc
PH
1036PH/26 Added -bem to be like -Mset, but loading a message from a file.
1037
fd700877
PH
1038PH/27 In a string expansion for a processed (not raw) header when multiple
1039 headers of the same name were present, leading whitespace was being
1040 removed from all of them, but trailing whitespace was being removed only
1041 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
1042 before concatenation. Completely empty headers in a concatenation (as
1043 before) are ignored.
fd700877 1044
8dce1a6f
PH
1045PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
1046 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
1047
17af4a17
PH
1048PH/29 [Removed. This was a change that I later backed out, and forgot to
1049 correct the ChangeLog entry (that I had efficiently created) before
1050 committing the later change.]
f6c332bd
PH
1051
1052PH/30 Exim was sometimes attempting to deliver messages that had suffered
1053 address errors (4xx response to RCPT) over the same connection as other
1054 messages routed to the same hosts. Such deliveries are always "forced",
1055 so retry times are not inspected. This resulted in far too many retries
1056 for the affected addresses. The effect occurred only when there were more
1057 hosts than the hosts_max_try setting in the smtp transport when it had
1058 the 4xx errors. Those hosts that it had tried were not added to the list
1059 of hosts for which the message was waiting, so if all were tried, there
1060 was no problem. Two fixes have been applied:
1061
1062 (i) If there are any address or message errors in an SMTP delivery, none
1063 of the hosts (tried or untried) are now added to the list of hosts
1064 for which the message is waiting, so the message should not be a
1065 candidate for sending over the same connection that was used for a
1066 successful delivery of some other message. This seems entirely
1067 reasonable: after all the message is NOT "waiting for some host".
1068 This is so "obvious" that I'm not sure why it wasn't done
1069 previously. Hope I haven't missed anything, but it can't do any
1070 harm, as the worst effect is to miss an optimization.
1071
1072 (ii) If, despite (i), such a delivery is accidentally attempted, the
1073 routing retry time is respected, so at least it doesn't keep
1074 hammering the server.
1075
c1114884
PH
1076PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
1077 in ${readsocket because some servers need this prod.
1078
7a0743eb
PH
1079PH/32 Added some extra debug output when updating a wait-xxx database.
1080
0d85fa3f
PH
1081PH/33 The hint "could be header name not terminated by colon", which has been
1082 given for certain expansion errors for a long time, was not being given
1083 for the ${if def:h_colon_omitted{... case.
1084
1bf43b78
PH
1085PH/34 The spec says: "With one important exception, whenever a domain list is
1086 being scanned, $domain contains the subject domain." There was at least
1087 one case where this was not true.
1088
520de300
PH
1089PH/35 The error "getsockname() failed: connection reset by peer" was being
1090 written to the panic log as well as the main log, but it isn't really
1091 panic-worthy as it just means the connection died rather early on. I have
1092 removed the panic log writing for the ECONNRESET error when getsockname()
1093 fails.
1094
48c7f9e2
PH
1095PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
1096 runs only) independently of the message's sender address. This meant
1097 that, if the 4xx error was in fact related to the sender, a different
1098 message to the same recipient with a different sender could confuse
1099 things. In particualar, this can happen when sending to a greylisting
1100 server, but other circumstances could also provoke similar problems.
1101 I have changed the default so that the retry time for these errors is now
1102 based a combination of the sender and recipient addresses. This change
1103 can be overridden by setting address_retry_include_sender=false in the
1104 smtp transport.
1105
99ea1c86
PH
1106PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
1107 remote server are returned as part of bounce messages. This was not
1108 happening for LMTP over a pipe (the lmtp transport), but now it is the
1109 same for both kinds of LMTP.
1110
a2042e78
PH
1111PH/38 Despite being documented as not happening, Exim was rewriting addresses
1112 in header lines that were in fact CNAMEs. This is no longer the case.
1113
4fbcfc2e
PH
1114PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
1115 and queue runs started by the daemon processed all messages. This has
1116 been fixed so that -R and -S can now usefully be given with -q<time>.
1117
aa41d2de
PH
1118PH/40 Import PCRE release 6.7 (fixes some bugs).
1119
af561417
PH
1120PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
1121
3cc66b45
PH
1122PH/42 Give an error if -q is specified more than once.
1123
194cc0e4
PH
1124PH/43 Renamed the variables $interface_address and $interface_port as
1125 $received_ip_address and $received_port, to make it clear that these
1126 values apply to message reception, and not to the outgoing interface when
1127 a message is delivered. (The old names remain recognized, of course.)
1128
a401ddaa
PH
1129PH/44 There was no timeout on the connect() call when using a Unix domain
1130 socket in the ${readsocket expansion. There now is.
1131
4e88a19f
PH
1132PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
1133 be meaningful with "accept".
1134
d7d7b289
SC
1135SC/01 Eximstats V1.43
1136 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
1137
1138SC/02 Eximstats V1.44
1139 Use a glob alias rather than an array ref in the generated
1140 parser. This improves both readability and performance.
1141
1142SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
1143 Collect SpamAssassin and rejection statistics.
1144 Don't display local sender or destination tables unless
1145 there is data to show.
1146 Added average volumes into the top table text output.
1147
1148SC/04 Eximstats V1.46
1149 Collect data on the number of addresses (recipients)
1150 as well as the number of messages.
1151
1152SC/05 Eximstats V1.47
1153 Added 'Message too big' to the list of mail rejection
1154 reasons (thanks to Marco Gaiarin).
1155
1156SC/06 Eximstats V1.48
1157 Mainlog lines which have GMT offsets and are too short to
1158 have a flag are now skipped.
1159
1160SC/07 Eximstats V1.49 (Alain Williams)
1161 Added the -emptyok flag.
1162
1163SC/08 Eximstats V1.50
1164 Fixes for obtaining the IP address from reject messages.
1165
0ea2a468
JJ
1166JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
1167 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
1168 whitesspace changes from 4.64-PH/27
1169
1170JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
1171 match 4.64-PH/13
1172
1173JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
1174 are found, allow negative numbers in numeric criteria)
1175
1176JJ/06 exipick.20061117.2, added new $message_body_missing variable
1177
1178JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
1179 to match changes made in 4.64-PH/43
1180
8a10f5a4
PH
1181PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
1182
30e18802
PH
1183PH/47 Put in an explicit test for a DNS lookup of an address record where the
1184 "domain" is actually an IP address, and force a failure. This locks out
1185 those revolvers/nameservers that support "A-for-A" lookups, in
1186 contravention of the specifications.
1187
55728a4f
PH
1188PH/48 When a host name was looked up from an IP address, and the subsequent
1189 forward lookup of the name timed out, the host name was left in
1190 $sender_host_name, contrary to the specification.
d7d7b289 1191
d7837193
PH
1192PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1193 restricted to single-key lookups, Exim was not diagnosing an error if
1194 * or *@ was used with a query-style lookup.
1195
87054a31
PH
1196PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1197
ea2c01d2
MH
1198MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1199 long ago, but noone interested enough thought of it. Let's just say that
1200 the "1.1" means that there are some new functions that weren't there at
1201 some point in the past.
1202
e4fa6968
PH
1203PH/51 Error processing for expansion failure of helo_data from an smtp
1204 transport during callout processing was broken.
1205
56f5d9bd
PH
1206PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1207 tested/used via the -bh/-bhc/-bs options.
1208
922e1c28
PH
1209PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1210 bug, fixed in subsequent PCRE releases).
1211
21eb6e72
PH
1212PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1213 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1214
a0540757
PH
1215PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1216
944e9e9c 1217
478be7b0
SC
1218Exim version 4.63
1219-----------------
1220
1221SC/01 Use a glob alias rather than an array ref in eximstats generated
1222 parser. This improves both readability and performance.
1223
1224SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1225 Don't display local sender or destination tables in eximstats unless
1226 there is data to show.
1227 Added average volumes into the eximstats top table text output.
1228
1229SC/03 Collect data on the number of addresses (recipients) as well
1230 as the number of messages in eximstats.
1231
2b965a65
TF
1232TF/01 Correct an error in the documentation for the redirect router. Exim
1233 does (usually) call initgroups() when daemonizing.
478be7b0 1234
45b91596
PH
1235TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1236 with consistent privilege compared to when running as a daemon.
478be7b0 1237
c59f5781
TF
1238TF/03 Note in the spec that $authenticated_id is not set for local
1239 submissions from trusted users.
1240
90fc3069
TF
1241TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1242 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1243
6083aca0
TF
1244TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1245 by adding some example configuration directives to the default
1246 configuration file. A little bit of work is required to uncomment the
1247 directives and define how usernames and passwords are checked, but
1248 there is now a framework to start from.
1249
765b530f
PH
1250PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1251 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1252 without this. I don't know how relevant this is to other LDAP libraries.
1253
4e167a8c
PH
1254PH/02 Add the verb name to the "unknown ACL verb" error.
1255
4608d683
PH
1256PH/03 Magnus Holmgren's patch for filter_prepend_home.
1257
b8dc3e4a
PH
1258PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1259
5418e93b
PH
1260PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1261 directory not expanded when it should be if an expanded home directory
1262 was set for the address (which is overridden by the transport).
1263
b4a9bda2
PH
1264PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1265 libradius.
1266
45b91596
PH
1267PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1268 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1269 because it is too late at that time, and has no effect.
1270
5547e2c5
PH
1271PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1272 security issue with \' (bugzilla #107). I could not use the
1273 PQescapeStringConn() function, because it needs a PGconn value as one of
1274 its arguments.
1275
dbcef0ea
PH
1276PH/08 When testing addresses using -bt, indicate those final addresses that
1277 are duplicates that would not cause an additional delivery. At least one
1278 person was confused, thinking that -bt output corresponded to deliveries.
1279 (Suppressing duplicates isn't a good idea as you lose the information
1280 about possibly different redirections that led to the duplicates.)
1281
25257489
PH
1282PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1283 systems where poll() doesn't work, in particular OS X.
1284
c816d124
PH
1285PH/10 Added more information to debugging output for retry time not reached.
1286
a9ccd69a
PH
1287PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1288 operations in malware.c.
1289
75fa1910
PH
1290PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1291 signatures.
1292
a7d7aa58
PH
1293PH/13 If write_rejectlog was set false when logging was sent to syslog with
1294 syslog_duplication set false, log lines that would normally be written
1295 both the the main log and to the reject log were not written to syslog at
1296 all.
1297
42119b09
PH
1298PH/14 In the default configuration, change the use of "message" in ACL warn
1299 statements to "add_header".
1300
41609df5
PH
1301PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1302 not followed by a command (e.g. "seen endif").
1303
a5bd321b
PH
1304PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1305 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1306 latter.
1307
e85a7ad5 1308PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1309 so that it is now:
1310
e85a7ad5
PH
1311 ${if or { \
1312 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1313 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1314 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1315 }{no}{yes}}
1316
e85a7ad5
PH
1317 The Auto-Submitted: and various List- headers are standardised, whereas I
1318 don't think Precedence: ever was.
5dff5817 1319
d8fe1c03
PH
1320PH/18 Refactored debugging code in route_finduser() to show more information,
1321 in particular, the error code if getpwnam() issues one.
1322
16282d2b
PH
1323PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1324 This is apparently needed in addition to the PH/07 change above to avoid
1325 any possible encoding problems.
1326
35d40a98
PH
1327PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1328 but not after initializing Perl.
1329
034d99ab
PH
1330PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1331 output them only if debugging. By default they are written stderr,
1332 apparently, which is not desirable.
1333
6ec97b1b
PH
1334PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1335 queries.
1336
e22ca4ac
JJ
1337JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1338 --not options
1339
1340JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1341
33d73e3b
PH
1342PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1343 authenticated or an ident call has been made. Suppress the default
1344 values for $authenticated_id and $authenticated_sender (but permit -oMai
1345 and -oMas) when testing with -bh.
1346
9ecb03f3
PH
1347PH/24 Re-jigged the order of the tests in the default configuration so that the
1348 tests for valid domains and recipients precede the DNS black list and CSA
1349 tests, on the grounds that those ones are more expensive.
1350
084efe8d
PH
1351PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1352 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1353 This bug exists in every version of Exim that I still have, right back to
1354 0.12.
1355
366fc9f0
PH
1356PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1357 However, an attempt to turn on case-sensitivity in a regex key by
1358 including (?-i) didn't work because the subject string was already
1359 lowercased, and the effects were non-intuitive. It turns out that a
1360 one-line patch can be used to allow (?-i) to work as expected.
1361
c59f5781 1362
c887c79e
TF
1363Exim version 4.62
1364-----------------
1365
1366TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1367 other effects) broke the use of negated acl sub-conditions.
1368
1cce3af8
PH
1369PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1370 patch).
1371
afb3eaaf
PH
1372PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1373 "Deny" causes Exim to reject the incoming connection with a 554 error.
1374 Unfortunately, if there is a major crisis, such as a disk failure,
1375 tcp-wrappers gives "deny", whereas what one would like would be some
1376 kind of temporary error. A kludge has been added to help with this.
1377 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1378 554 error is used if errno is still zero or contains ENOENT (which occurs
1379 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1380 451 error is used.
1381
e173618b
PH
1382PH/03 Add -lutil to the default FreeBSD LIBS setting.
1383
dd16e114
PH
1384PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1385 errors. Otherwise a message that provokes a temporary error (when other
1386 messages do not) can cause a whole host to time out.
1387
f7fd3850
PH
1388PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1389 addresses were routed directly to files or pipes from a redirect router.
1390 File deliveries just didn't batch; pipe deliveries might have suffered
1391 odd errors.
1392
d87df92c
PH
1393PH/06 A failure to get a lock for a hints database would erroneously always say
1394 "Failed to get write lock", even when it was really a read lock.
1395
7e9f683d
PH
1396PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1397 of 0600. This has been changed to use the value of the lockfile_mode
1398 option (which defaults to 0600).
1399
bfad5236
PH
1400PH/08 Applied small patch from the Sieve maintainer.
1401
01c490df
PH
1402PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1403 folder from quota calculations, a direct delivery into this folder messed
1404 up the contents of the maildirsize file. This was because the regex was
1405 used only to exclude .Trash (or whatever) when the size of the mailbox
1406 was calculated. There was no check that a delivery was happening into an
1407 excluded directory. This bug has been fixed by ignoring all quota
1408 processing for deliveries into excluded directories.
1409
d6629cdc
PH
1410PH/10 Added the maildirfolder_create_regex option to appendfile.
1411
1cce3af8 1412
214e2000
PH
1413Exim version 4.61
1414-----------------
1415
1416PH/01 The code for finding all the local interface addresses on a FreeBSD
1417 system running IPv6 was broken. This may well have applied to all BSD
1418 systems, as well as to others that have similar system calls. The broken
1419 code found IPv4 interfaces correctly, but gave incorrect values for the
1420 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1421 that it would not match correctly against @[] and not recognize the IPv6
1422 addresses as local.
1423
f9daeae0
PH
1424PH/02 The ipliteral router was not recognizing addresses of the form user@
1425 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1426
7e66e54d
PH
1427PH/03 Added disable_ipv6.
1428
c8ea1597
PH
1429PH/04 Changed $reply_address to use the raw form of the headers instead of the
1430 decoded form, because it is most often used to construct To: headers
1431 lines in autoreplies, and the decoded form may well be syntactically
1432 invalid. However, $reply_address has leading white space removed, and all
1433 newlines turned into spaces so that the autoreply transport does not
1434 grumble.
1435
911f6fde
PH
1436PH/05 If group was specified without a user on a router, and no group or user
1437 was specified on a transport, the group from the router was ignored.
1438
47ca6d6c
PH
1439PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1440 for visible compile-time settings that can be used to change these
1441 numbers, for those that want even more. Backwards compatibility with old
1442 spool files has been maintained. However, going back to a previous Exim
1443 release will lost any variables that are in spool files.
1444
ed0e9820
PH
1445PH/07 Two small changes when running in the test harness: increase delay when
1446 passing a TCP/IP connection to a new process, in case the original
1447 process has to generate a bounce, and remove special handling of
1448 127.0.0.2 (sic), which is no longer necessary.
1449
eff37e47
PH
1450PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1451 be the same on different OS.
1452
1921d2ea
PH
1453PH/09 Moved a debug statement in filter processing to avoid a race problem when
1454 testing.
1455
b3f69ca8
JJ
1456JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1457 whether --show-vars was specified or not
1458
1459JJ/02 exipick: Added support for new ACL variable spool format introduced
1460 in 4.61-PH/06
1461
424a1c63
PH
1462PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1463 syntactically invalid From: or Reply-to: line, and a filter used this to
1464 generate an autoreply, and therefore failed to obtain an address for the
1465 autoreply, Exim could try to deliver to a non-existent relative file
1466 name, causing unrelated and misleading errors. What now happens is that
1467 it logs this as a hard delivery error, but does not attempt to create a
1468 bounce message.
1469
7a100415
PH
1470PH/11 The exinext utility has a -C option for testing purposes, but although
1471 the given file was scanned by exinext itself; it wasn't being passed on
1472 when Exim was called.
1473
19b9dc85
PH
1474PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1475 an end-of-file indication when reading a command response.
1476
309bd837
PH
1477PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1478 compiled. In many other places in Exim, IPv6 addresses are always
1479 recognized, so I have changed this. It also means that IPv4 domain
1480 literals of the form [IPV4:n.n.n.n] are now always recognized.
1481
59e82a2a
PH
1482PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1483 used if the router is not running as root, for example, when verifying at
1484 ACL time, or when using -bh. The debugging output from this situation was
1485 non-existent - all you got was a failure to exec. I have made two
1486 changes:
1487
1488 (a) Failures to set uid/gid, the current directory, or a process leader
1489 in a subprocess such as that created by queryprogram now generate
1490 suitable debugging ouput when -d is set.
1491
1492 (b) The queryprogram router detects when it is not running as root,
1493 outputs suitable debugging information if -d is set, and then runs
1494 the subprocess without attempting to change uid/gid.
1495
9edc04ce
PH
1496PH/15 Minor change to Makefile for building test_host (undocumented testing
1497 feature).
1498
1349e1e5
PH
1499PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1500 additional section of a DNS packet that returns MX or SRV records.
1501 Instead, it always explicitly searches for A/AAAA records. This avoids
1502 major problems that occur when a DNS server includes only records of one
1503 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1504 fixed another bug: if SRV records were looked up and the corresponding
1505 address records were *not* found in the additional section, the port
1506 values from the SRV records were lost.
1507
ea49d0e1
PH
1508PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1509 using the correct key (the original address) when searching the retry
1510 rules in order to find which one to use for generating the retry hint.
1511
064a94c9
PH
1512PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1513 adding the default one. Similarly, if it contains a Reply-To: header, the
1514 errors_reply_to option, if set, is not used.
1515
727071f8
PH
1516PH/19 When calculating a retry time, Exim used to measure the "time since
1517 failure" by looking at the "first failed" field in the retry record. Now
1518 it does not use this if it is later than than the arrival time of the
1519 message. Instead it uses the arrival time. This makes for better
1520 behaviour in cases where some deliveries succeed, thus re-setting the
1521 "first failed" field. An example is a quota failure for a huge message
1522 when small messages continue to be delivered. Without this change, the
1523 "time since failure" will always be short, possible causing more frequent
1524 delivery attempts for the huge message than are intended.
dd16e114 1525 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1526
f78eb7c6
PH
1527PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1528 $1, $2, $3) because the numerical variables can be reset during some
1529 expansion items (e.g. "match"), thereby losing the authentication data.
1530
21c28500
PH
1531PH/21 Make -bV show the size of off_t variables so that the test suite can
1532 decide whether to run tests for quotas > 2G.
1533
1534PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1535 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1536 filecount value is greater than 2G or if a quota value is greater than 2G
1537 on a system where the size of off_t is not greater than 4, a panic error
1538 is given.
1539
1688f43b
PH
1540PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1541 never match. The debug and -bh output now contains an explicit error
1542 message indicating a malformed IPv4 address or mask.
1543
1544PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1545 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1546 PH/23 above applies.
1547
9675b384
PH
1548PH/25 Do not write to syslog when running in the test harness. The only
1549 occasion when this arises is a failure to open the main or panic logs
1550 (for which there is an explicit test).
1551
6a3f1455
PH
1552PH/26 Added the /no_tell option to "control=freeze".
1553
dac79d3e
PH
1554PH/27 If a host name lookup failed very early in a connection, for example, if
1555 the IP address matched host_lookup and the reverse lookup yielded a name
1556 that did not have a forward lookup, an error message of the form "no IP
1557 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1558 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1559
5977a0b3
PH
1560PH/28 An enabling patch from MH: add new function child_open_exim2() which
1561 allows the sender and the authenticated sender to be set when
1562 submitting a message from within Exim. Since child_open_exim() is
1563 documented for local_scan(), the new function should be too.
1564
c91535f3
PH
1565PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1566 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1567 results in an empty string is now treated as unset.
1568
0d46a8c8
PH
1569PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1570
278c6e6c
PH
1571PH/31 Added sender_verify_fail logging option.
1572
2cbb4081
PH
1573PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1574 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1575 tidied the source and removed it altogether.
1576
3eef829e
PH
1577PH/33 When a queue run was abandoned because the load average was too high, a
1578 log line was always written; now it is written only if the queue_run log
1579 selector is set. In addition, the log line for abandonment now contains
1580 information about the queue run such as the pid. This is always present
1581 in "start" and "stop" lines but was omitted from the "abandon" line.
1582
1ab95fa6
PH
1583PH/34 Omit spaces between a header name and the colon in the error message that
1584 is given when verify = headers_syntax fails (if there are lots of them,
1585 the message gets confusing).
1586
230205fc
PH
1587PH/35 Change the default for dns_check_names_pattern to allow slashes within
1588 names, as there are now some PTR records that contain slashes. This check
1589 is only to protect against broken name servers that fall over on strange
1590 characters, so the fact that it applies to all lookups doesn't matter.
1591
75e0e026
PH
1592PH/36 Now that the new test suite is complete, we can remove some of the
1593 special code in Exim that was needed for the old test suite. For example,
1594 sorting DNS records because real resolvers return them in an arbitrary
1595 order. The new test suite's fake resolver always returns records in the
1596 same order.
1597
1598PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1599 bounces) except when queue_only is set, to avoid logging races between
1600 the different processes.
1601
145396a6
PH
1602PH/38 Panic-die if .include specifies a non-absolute path.
1603
3cd34f13
PH
1604PH/39 A tweak to the "H" retry rule from its user.
1605
11121d3d
JJ
1606JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1607 a label. They prevented compilation on older perls.
1608
1609JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1610 a warning to be raised on newish perls.
1611
1612JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1613 on queue. Changes to match documented behaviour of showing count of
1614 messages matching specified criteria.
1615
8def5aaf
PH
1616PH/40 Changed the default ident timeout from 30s to 5s.
1617
929ba01c
PH
1618PH/41 Added support for the use of login_cap features, on those BSD systems
1619 that have them, for controlling the resources used by pipe deliveries.
1620
2632889e
PH
1621PH/42 The content-scanning code uses fopen() to create files in which to put
1622 message data. Previously it was not paying any attention to the mode of
1623 the files. Exim runs with umask(0) because the rest of the code creates
1624 files with open(), and sets the required mode explicitly. Thus, these
1625 files were ending up world-writeable. This was not a big issue, because,
1626 being within the spool directory, they were not world-accessible. I have
1627 created a function called modefopen, which takes an additional mode
1628 argument. It sets umask(777), creates the file, chmods it to the required
1629 mode, then resets the umask. All the relevant calls to fopen() in the
1630 content scanning code have been changed to use this function.
1631
944a9c55
PH
1632PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1633 to 24 hours. This avoids potential overflow problems when processing G
1634 and H retry rules. I suspect nobody ever tinkers with this value.
1635
4a23603b
PH
1636PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1637
4730f942
PH
1638PH/45 When the plaintext authenticator is running as a client, the server's
1639 challenges are checked to ensure they are valid base64 strings. By
1640 default, the authentication attempt is cancelled if an invalid string is
1641 received. Setting client_ignore_invalid_base64 true ignores these errors.
1642 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1643 they are received. Thus, the responses can be made to depend on the
1644 challenges. If an invalid string is ignored, an empty string is placed in
1645 the variable.
1646
30dba1e6
PH
1647PH/46 Messages that are created by the autoreply transport now contains a
1648 References: header, in accordance with RFCs 2822 and 3834.
1649
382afc6b
PH
1650PH/47 Added authenticated_sender_force to the smtp transport.
1651
a86229cf
PH
1652PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1653
50c99ba6
PH
1654PH/49 Installed latest patch from the Sieve maintainer.
1655
d35e429d
PH
1656PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1657 was also set, the appendfile transport was unnecessarily scanning a
1658 directory of message files (e.g. for maildir delivery) to find the count
1659 of files (along with the size), even though it did not need this
1660 information. It now does the scan only if it needs to find either the
1661 size of the count of files.
1662
f90d018c
PH
1663PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1664
75def545
PH
1665PH/52 Two bugs concerned with error handling when the smtp transport is
1666 used in LMTP mode:
1667
1668 (i) Exim was not creating retry information for temporary errors given
1669 for individual recipients after the DATA command when the smtp transport
1670 was used in LMTP mode. This meant that they could be retried too
1671 frequently, and not timed out correctly.
1672
1673 (ii) Exim was setting the flag that allows error details to be returned
1674 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1675 recipients that were returned after the DATA command.
1676
1677PH/53 This is related to PH/52, but is more general: for any failing address,
1678 when detailed error information was permitted to be returned to the
1679 sender, but the error was temporary, then after the final timeout, only
1680 "retry timeout exceeded" was returned. Now it returns the full error as
1681 well as "retry timeout exceeded".
1682
c46782ef
PH
1683PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1684 do this, and (what is worse) MTAs that accept it.
1685
71fafd95
PH
1686PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1687 will now be deprecated.
1688
2c5db4fd
PH
1689PH/56 New os.c-cygwin from the Cygwin maintainer.
1690
9cf6b11a
JJ
1691JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1692 formats (previously only available in exim formats via -bpr, -bpru,
1693 and -bpra. Now also available in native and exiqgrep formats)
1694
1695JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1696 with very large, slow to parse queues
1697
1698JJ/08 exipick: added ! as generic prefix to negate any criteria format
1699
1700JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1701
898d150f
PH
1702PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1703 responses to authentication challenges, though it was showing the
1704 challenges; (ii) I've removed the CR characters from the debug output for
1705 SMTP output lines.
1706
46218253
PH
1707PH/58 Allow for the insertion of a newline as well as a space when a string
1708 is turned into more than one encoded-word during RFC 2047 encoding. The
1709 Sieve code now uses this.
1710
e97957bc
PH
1711PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1712 data_4xx, lost_connection, tls_required.
1713
81e509d7
PH
1714PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1715 message was being sent as an SMTP response.
1716
3d240ff7
PH
1717PH/61 Add -l and -k options to exicyclog.
1718
b37c4101
PH
1719PH/62 When verifying, if an address was redirected to one new address, so that
1720 verification continued, and the new address failed or deferred after
1721 having set something in $address_data, the value of $address_data was not
1722 passed back to the ACL. This was different to the case when no
1723 redirection occurred. The value is now passed back in both cases.
1724
79378e0f
PH
1725PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1726 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1727 use login_cap.h, so on its own it isn't the distinguishing feature. The
1728 new name refers directly to the setclassresources() function.
1729
e49c7bb4
PH
1730PH/65 Added configuration files for NetBSD3.
1731
d114ec46
PH
1732PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1733
f3d7df6c
PH
1734PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1735 is preferred over IPv4.
1736
715ab376
PH
1737PH/68 The bounce_return_message and bounce_return_body options were not being
1738 honoured for bounces generated during the reception of non-SMTP messages.
1739 In particular, this applied to messages rejected by the ACL. This bug has
1740 been fixed. However, if bounce_return_message is true and bounce_return_
1741 body is false, the headers that are returned for a non-SMTP message
1742 include only those that have been read before the error was detected.
1743 (In the case of an ACL rejection, they have all been read.)
1744
6b31b150
PH
1745PH/69 The HTML version of the specification is now built in a directory called
1746 spec_html instead of spec.html, because the latter looks like a path with
1747 a MIME-type, and this confuses some software.
1748
1749PH/70 Catch two compiler warnings in sieve.c.
1750
d515a917
PH
1751PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1752 function verify_get_ident() calls ip_connect() to connect a socket, but
1753 if the "connect()" function timed out, ip_connect() used to close the
1754 socket. However, verify_get_ident() also closes the socket later, and in
1755 between Exim writes to the log, which may get opened at this point. When
1756 the socket was closed in ip_connect(), the log could get the same file
1757 descriptor number as the socket. This naturally causes chaos. The fix is
1758 not to close the socket in ip_connect(); the socket should be closed by
1759 the function that creates it. There was only one place in the code where
1760 this was missing, in the iplookup router, which I don't think anybody now
1761 uses, but I've fixed it anyway.
1762
9b8fadde
PH
1763PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1764 well as to direct DNS lookups. Otherwise the handling of names in host
1765 lists is inconsistent and therefore confusing.
1766
214e2000 1767
5de37277
PH
1768Exim version 4.60
1769-----------------
1770
cc38ddbf
PH
1771PH/01 Two changes to the default runtime configuration:
1772
1773 (1) Move the checks for relay_from_hosts and authenticated clients from
1774 after to before the (commented out) DNS black list checks.
1775
1776 (2) Add control=submission to the relay_from_hosts and authenticated
1777 clients checks, on the grounds that messages accepted by these
1778 statements are most likely to be submissions.
5de37277 1779
72fdd6ae
PH
1780PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1781
1782 (1) Generate an error if the third argument for the ${prvs expansion is
1783 not a single digit.
1784
1785 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1786 string.
1787
1788 (3) Reset the variables that are obtained from the first argument of
1789 ${prvscheck and used in the second argument before leaving the code,
1790 because their memory is reclaimed, so using them afterwards may do
1791 silly things.
1792
1793 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1794 one (it's much easier than Tom thought :-).
1795
1796 (5) Because of (4), we can now allow for the use of $prvscheck_result
1797 inside the third argument.
cb9328de 1798
cb741023
PH
1799PH/03 For some reason, the default setting of PATH when running a command from
1800 a pipe transport was just "/usr/bin". I have changed it to
1801 "/bin:/usr/bin".
1802
f174f16e
PH
1803PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1804 anything to be listed in the output from -bV.
b2f5a032 1805
c25242d7
PH
1806PH/05 When a filter generated an autoreply, the entire To: header line was
1807 quoted in the delivery log line, like this:
1808
1809 => >A.N.Other <ano@some.domain> <original@ddress> ...
1810
1811 This has been changed so that it extracts the operative address. There
1812 may be more than one such address. If so, they are comma-separated, like
1813 this:
1814
1815 => >ano@some.domain,ona@other.domain <original@ddress> ...
1816
82c19f95
PH
1817PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1818 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1819 not being looked up in the rDNS to get a host name, Exim was showing the
1820 IP address twice in Received: lines, even though the IP addresses were
1821 identical. For example:
1822
1823 Received: from [1.2.3.4] (helo=[1.2.3.4])
1824
1825 However, if the real host name was known, it was omitting the HELO data
1826 if it matched the actual IP address. This has been tidied up so that it
1827 doesn't show the same IP address twice.
1828
d7ffbc12
PH
1829PH/07 When both +timestamp and +memory debugging was on, the value given by
1830 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1831 called by the debug printing, thereby overwriting the timestamp buffer.
1832 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1833
9f526266
PH
1834PH/08 When the original message was included in an autoreply transport, it
1835 always said "this is a copy of the message, including all the headers",
1836 even if body_only or headers_only was set. It now gives an appropriate
1837 message.
1838
87fcc8b9
PH
1839PH/09 Applied a patch from the Sieve maintainer which:
1840
1841 o fixes some comments
1842 o adds the (disabled) notify extension core
1843 o adds some debug output for the result of if/elsif tests
1844 o points to the current vacation draft in the documentation
1845 and documents the missing references header update
1846
1847 and most important:
1848
1849 o fixes a bug in processing the envelope test (when testing
1850 multiple envelope elements, the last element determinted the
1851 result)
1852
456682f5
PH
1853PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1854 Electronic Mail") by including:
1855
1856 Auto-submitted: auto-generated
1857
1858 in the messages that it generates (bounce messages and others, such as
1859 warnings). In the case of bounce messages for non-SMTP mesages, there was
1860 also a typo: it was using "Auto_submitted" (underscore instead of
1861 hyphen). Since every message generated by Exim is necessarily in response
1862 to another message, thes have all been changed to:
1863
1864 Auto-Submitted: auto-replied
1865
1866 in accordance with these statements in the RFC:
1867
1868 The auto-replied keyword:
1869
1870 - SHOULD be used on messages sent in direct response to another
1871 message by an automatic process,
1872
1873 - MUST NOT be used on manually-generated messages,
1874
1875 - MAY be used on Delivery Status Notifications (DSNs) and Message
1876 Disposition Notifications (MDNs),
1877
1878 - MUST NOT be used on messages generated by automatic or periodic
1879 processes, except for messages which are automatic responses to
1880 other messages.
1881
3e46c1aa
PH
1882PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1883 to the default Received: header definition.
456682f5 1884
49826d12
PH
1885PH/12 Added log selector acl_warn_skipped (default on).
1886
eba0c039
PH
1887PH/13 After a successful wildlsearch lookup, discard the values of numeric
1888 variables because (a) they are in the wrong storage pool and (b) even if
1889 they were copied, it wouldn't work properly because of the caching.
1890
a0d6ba8a
PH
1891PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1892 checking when decoding. Apparently there are clients that generate
1893 overlong encoded strings. Why am I not surprised?
1894
f0917727
PH
1895PH/15 If the first argument of "${if match_address" was not empty, but did not
1896 contain an "@" character, Exim crashed. Now it writes a panic log message
1897 and treats the condition as false.
1898
096fee00
PH
1899PH/16 In autoreply, treat an empty string for "once" the same as unset.
1900
024bd3c2
PH
1901PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1902 extension "envelope-auth". The code is finished and in agreement with
1903 other implementations, but there is no documentation so far and in fact,
1904 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1905 not changing the active code.
1906
1907 Print executed "if" and "elsif" statements when debugging is used. This
1908 helps a great deal to understand what a filter does.
1909
1910 Document more things not specified clearly in RFC3028. I had all this
1911 sorted out, when out of a sudden new issues came to my mind. Oops."
1912
df199fec
PH
1913PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1914 (Bugzilla #53).
1915
d27f1df3
PH
1916PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1917 canonical form (as documented). However, after a host name lookup from
1918 the IP address, check_host() was doing a simple string comparison with
1919 addresses acquired from the DNS when checking that the found name did
1920 have the original IP as one of its addresses. Since any found IPv6
1921 addresses are likely to be in abbreviated form, the comparison could
1922 fail. Luckily, there already exists a function for doing the comparison
1923 by converting both addresses to binary, so now that is used instead of
1924 the text comparison.
1925
96776534
PH
1926PH/20 There was another similar case to PH/19, when a complete host name was
1927 given in a host list; looking up its IP address could give an abbreviated
1928 form, whereas the current host's name might or might not be abbreviated.
1929 The same fix has been applied.
1930
5de37277 1931
9a799bc0
PH
1932Exim version 4.54
1933-----------------
1934
1935PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1936 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1937 It now does.
1938
99a4b039
PH
1939PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1940 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1941
1942PH/03 Typo: missing ".o" in src/pcre/Makefile.
1943
4b233853
PH
1944PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1945 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1946 Also, for "Auto-Submitted", treat anything other than "no" as
1947 non-personal, in accordance with RFC 3834. (Previously it treated
1948 anything starting "auto-" as non-personal.)
1949
8857ccfd
PH
1950TF/01 The control=submission/name=... option had a problem with syntax
1951 errors if the name included a slash character. The /name= option
1952 now slurps the rest of the string, so it can include any characters
1953 but it must come last in the list of options (after /sender_retain
1954 or /domain=).
1955
433a2980
PH
1956PH/05 Some modifications to the interface to the fake nameserver for the new
1957 testing suite.
1958
3e46c1aa 1959
9a799bc0 1960
e3a311ba
TK
1961Exim version 4.53
1962-----------------
1963
1964TK/01 Added the "success_on_redirect" address verification option. See
1965 NewStuff for rationale and an example.
1966
13b685f9
PH
1967PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1968
395ff96d
PH
1969PH/02 Patch to exigrep to allow it to work on syslog lines.
1970
5b68f6e4
PH
1971PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1972 fread() to skip over the body file's header line, because in Cygwin the
1973 header line is locked and is inaccessible.
1974
1ab52c69
PH
1975PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1976 co-exist for some time) to make it clear that it is the Exim ID that is
1977 referenced, not the Message-ID: header line.
1978
b07e6aa3
PH
1979PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
1980 string_format() function, because snprintf() does not exist on all
1981 operating systems.
1982
254e032f
PH
1983PH/06 The use of forbid_filter_existstest now also locks out the use of the
1984 ${stat: expansion item.
1985
3af76a81
PH
1986PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
1987 protocol synchronization error", to keep the pedants happy.
1988
2548ba04
PH
1989PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
1990 well as for IRIX systems, when gcc is being used. See the host.c source
1991 file for comments.
1992
b6c6011d
PH
1993PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
1994
cf39cf57
PH
1995PH/10 Named domain lists were not working if used in a queue_smtp_domains
1996 setting.
1997
f1513293
PH
1998PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
1999 transport and to the smtp transport in LMTP mode.
2000
727549a4
PH
2001TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
2002
af46795e
PH
2003PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
2004 run a filter in a subprocess. This could lead to confusion in subsequent
2005 lookups in the parent process. There should also be a search_tidyup() at
2006 the end of the subprocess.
2007
d7b47fd0
PH
2008PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
2009 only if the host matched helo_try_verify_hosts, which caused the
2010 verification to occur when the EHLO/HELO command was issued. The ACL just
2011 tested the remembered result. Now, if a previous verification attempt has
2012 not happened, "verify = helo" does it there and then.
2013
ee744174
JJ
2014JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
2015
b582ab87
PH
2016TK/03 Fix log output including CR from clamd.
2017
41a13e0a
PH
2018PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
2019 exist provoked a memory error which could cause a segfault.
2020
f625cc5a
PH
2021PH/15 Installed PCRE 6.2
2022
2023PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
2024
21f7af35
PH
2025PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
2026 of the problem. Specifically, suggested +O2 rather than +O1 for the
2027 HP-UX compiler.
2028
31480e42
PH
2029PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
2030
2d280592
PH
2031PH/20 If a delivery was routed to a non-standard port by means of an SRV
2032 record, the port was not correctly logged when the outgoing_port log
2033 selector was set (it logged the transort's default port).
2034
7cd1141b
PH
2035PH/21 Added support for host-specific ports to manualroute, queryprogram,
2036 fallback_hosts, and "hosts" in the smtp transport.
2037
2038PH/22 If the log selector "outgoing_port" is set, the port is now also given on
2039 host errors such as "Connection refused".
2040
750af86e
PH
2041PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
2042 authentication with radiusclient 0.4.9:
2043
2044 - Error returned from rc_read_config was caught wrongly
2045 - Username/password not passed on to radius server due to wrong length.
2046
2047 The presumption is that some radiusclient API changes for 4.51/PH/17
2048 were not taken care of correctly. The code is still untested by me (my
2049 Linux distribution still has 0.3.2 of radiusclient), but it was
2050 contributed by a Radius user.
2051
2052PH/24 When doing a callout, the value of $domain wasn't set correctly when
2053 expanding the "port" option of the smtp transport.
2054
4304270b
TK
2055TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
2056 while reading a MIME header. Thanks to Tom Hughes for a patch.
2057
750af86e
PH
2058PH/24 Include config.h inside local_scan.h so that configuration settings are
2059 available.
2060
64ffc24f
PH
2061PH/25 Make $smtp_command_argument available after all SMTP commands. This means
2062 that in an ACL for RCPT (for example), you can examine exactly what was
2063 received.
2064
5dd9625b
PH
2065PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
2066 commands, but it was not correctly comparing the address with the actual
2067 client host address. Thus, it would show the EHLO address in Received:
2068 header lines when this was not necessary.
2069
5591031b
PH
2070PH/27 Added the % operator to ${eval:}.
2071
ba18e66a
PH
2072PH/28 Exim tries to create and chdir to its spool directory when it starts;
2073 it should be ignoring failures (because with -C, for example, it has lost
2074 privilege). It wasn't ignoring creation failures other than "already
2075 exists".
2076
9cec981f
PH
2077PH/29 Added "crypteq" to the list of supported features that Exim outputs when
2078 -bV or -d is used.
2079
aa2b5c79
PH
2080PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
2081 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
2082 too many continuations, the temporary file was not being removed, and the
2083 return code was incorrect.
aa2b5c79 2084
48a53b7f
PH
2085PH/31 Missing "BOOL" in function definition in filtertest.c.
2086
1c59d63b
PH
2087PH/32 Applied Sieve patches from the maintainer.
2088
671012da
TK
2089TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
2090
1509d3a8
PH
2091PH/33 Added "verify = not_blind".
2092
2093PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
2094 Local/Makefile (with some defaults set). These are used in built scripts
2095 such as exicyclog, but they have never been used in the exim_install
2096 script (though there are many overriding facilities there). I have
2097 arranged that the exim_install script now takes note of these two
2098 settings.
2099
2100PH/35 Installed configuration files for Dragonfly.
2101
2fe1a124
PH
2102PH/36 When a locally submitted message by a trusted user did not contain a
2103 From: header, and the sender address was obtained from -f or from an SMTP
2104 MAIL command, and the trusted user did not use -F to supply a sender
2105 name, $originator_name was incorrectly used when constructing a From:
2106 header. Furthermore, $originator_name was used for submission mode
2107 messages from external hosts without From: headers in a similar way,
2108 which is clearly wrong.
2109
8800895a
PH
2110PH/37 Added control=suppress_local_fixups.
2111
ccfdb010
PH
2112PH/38 When log_selector = +received_sender was set, and the addition of the
2113 sender made the log line's construction buffer exactly full, or one byte
2114 less than full, an overflow happened when the terminating "\n" was
2115 subsequently added.
2116
1130bfb0
PH
2117PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
2118 when the result of a list match is failure because a DNS lookup failed.
2119
ebcb507f
PH
2120PH/40 RM_COMMAND is now used in the building process.
2121
c35e155c
PH
2122PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
2123 the "build-* directories that it finds.
2124
95d1f782
PH
2125PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
2126 address in a domain literal was a prefix of an interface address.
2127
fd6de02e
PH
2128PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
2129 when verifying a sender address, unless rewrite_headers is false.
2130
58de37c5
PH
2131PH/44 Wrote a long comment about why errors_to addresses are verified as
2132 recipients, not senders.
2133
261cf466
TF
2134TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
2135 the ratelimit ACL was added.
2136
3ee512ff
PH
2137PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
2138
e08c430f
PH
2139PH/46 Added extra information about PostgreSQL errors to the error string.
2140
bef5a11f
PH
2141PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
2142 avoiding the need to install special zones in a real server. This is
2143 backwards compatible; if it can't find the fake resolver, it drops back.
2144 Thus, both old and new test suites can be run.
2145
7546de58
TF
2146TF/02 Added util/ratelimit.pl
2147
e5d5a95f
TF
2148TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
2149 clock is set back in time.
2150
2e88a017
TF
2151TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
2152 Candler <B.Candler@pobox.com>.
2153
a5f65aa4
TF
2154TF/05 The fix for PH/43 was not completely correct; widen_domains is always
2155 OK for addresses that are the result of redirections.
2156
e7726cbf
PH
2157PH/48 A number of further additions for the benefit of the new test suite,
2158 including a fake gethostbyname() that interfaces to the fake DNS resolver
2159 (see PH/47 above).
2160
a7fdad5b
TF
2161TF/06 The fix for widen_domains has also been applied to qualify_single and
2162 search_parents which are the other dnslookup options that can cause
2163 header rewrites.
2164
6af56900
PH
2165PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
2166 type ("H").
2167
0925ede6
PH
2168PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
2169
66afa403
TF
2170TF/07 Exim produced the error message "an SRV record indicated no SMTP
2171 service" if it encountered an MX record with an empty target hostname.
2172 The message is now "an MX or SRV record indicated no SMTP service".
2173
0154e85a
TF
2174TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
2175 if the DNS of the sending site is misconfigured. This is quite a
2176 common situation. This change restores the behaviour of treating a
2177 helo verification defer as a failure.
2178
16f12c76
PH
2179PH/51 If self=fail was set on a router, the bounce message did not include the
2180 actual error message.
2181
bbe902f0 2182
e5a9dba6
PH
2183Exim version 4.52
2184-----------------
2185
2186TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
2187
22c3b60b
PH
2188PH/01 When a transport filter timed out in a pipe delivery, and the pipe
2189 command itself ended in error, the underlying message about the transport
2190 filter timeout was being overwritten with the pipe command error. Now the
2191 underlying error message should be appended to the second error message.
2192
06a9b4b5
PH
2193TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2194
c1ac6996
PH
2195PH/02 Reduce the amount of output that "make" produces by default. Full output
2196 can still be requested.
2197
9c7a242c
PH
2198PH/03 The warning log line about a condition test deferring for a "warn" verb
2199 was being output only once per connection, rather than after each
2200 occurrence (because it was using the same function as for successful
2201 "warn" verbs). This seems wrong, so I have changed it.
2202
87ba3f5f
PH
2203TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2204 it should not have, which might have caused a crash in the right
2205 circumstances, but probably never did.
2206
2207PH/04 Installed a modified version of Tony Finch's patch to make submission
2208 mode fix the return path as well as the Sender: header line, and to
2209 add a /name= option so that you can make the user's friendly name appear
2210 in the header line.
2211
29aba418
TF
2212TF/03 Added the control = fakedefer ACL modifier.
2213
fe0dab11
TF
2214TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2215 Mark Lowes for thorough testing.
870f6ba8 2216
11d337a4
TK
2217TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2218
2219TK/03 Merged latest SRS patch from Miles Wilton.
2220
415c8f3b
PH
2221PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2222 with the definition in sysexits.h (which is #included earlier).
2223 Fortunately, Exim does not actually use EX_OK. The code used to try to
2224 preserve the sysexits.h value, by assumimg that macro definitions were
2225 scanned for macro replacements. I have been disabused of this notion,
2226 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2227
958541e9
PH
2228PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2229 in the smtp transport. When a block could not be written in a single
2230 write() function, the timeout was being re-applied to each part-write.
2231 This seems wrong - if the receiver was accepting one byte at a time it
2232 would take for ever. The timeout is now adjusted when this happens. It
2233 doesn't have to be particularly precise.
2234
c206415f
TK
2235TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2236 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2237
2a4be8f9
PH
2238PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2239 without a domain if the check to <postmaster@domain> fails.
2240
1cba11c5
SC
2241SC/01 Eximstats: added -xls and the ability to specify output files
2242 (patch written by Frank Heydlauf).
2243
2244SC/02 Eximstats: use FileHandles for outputing results.
2245
2246SC/03 Eximstats: allow any combination of xls, txt, and html output.
2247
2248SC/04 Eximstats: fixed display of large numbers with -nvr option
2249
2250SC/05 Eximstats: fixed merging of reports with empty tables.
2251
2252SC/06 Eximstats: added the -include_original_destination flag
2253
2254SC/07 Eximstats: removed tabs and trailing whitespace.
2255
1005d00e
TK
2256TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2257
2258TK/06 MBOX spool code: Add real "From " MBOX separator line
2259 so the .eml file is really in mbox format (even though
2260 most programs do not really care). Patch from Alex Miller.
2261
2262TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2263 The latter is generated from $received_to and is only set if the
2264 message has one envelope recipient. SA can use these headers,
2265 obviously out-of-the-box. Patch from Alex Miller.
2266
9b4768fa
PH
2267PH/08 The ${def test on a variable was returning false if the variable's
2268 value was "0", contrary to what the specification has always said!
2269 The result should be true unless the variable is empty.
2270
2271PH/09 The syntax error of a character other than { following "${if
2272 def:variable_name" (after optional whitespace) was not being diagnosed.
2273 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2274 accidental colon was present, for example, could give incorrect results.
2275
0d7eb84a
PH
2276PH/10 Tidied the code in a number of places where the st_size field of a stat()
2277 result is used (not including appendfile, where other changes are about
2278 to be made).
2279
2280PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2281 This involved changing a lot of size variables from int to off_t. It
2282 should work with maildirs and everything.
2283
40727bee
TK
2284TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2285 spamd dying while we are connected to it.
2286
554d2369
TF
2287TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2288 <jgh@wizmail.org>
2289
1f922db1
PH
2290PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2291 function for BDB 4.3.
2292
ef213c3b
PH
2293PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2294
8ac170f3
PH
2295PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2296 the sources for PCRE have been re-arranged and more files are now
2297 involved.
2298
b1c749bb
PH
2299PH/15 The code I had for printing potentially long long variables in PH/11
2300 above was not the best (it lost precision). The length of off_t variables
2301 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2302 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2303 to be "long long int" or "long int". This is needed for the internal
2304 formatting function string_vformat().
b1c749bb 2305
4aac9b49
PH
2306PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2307 the configuration file to be ":syslog", then the script "guesses" where
2308 the logs files are, rather than using the compiled in default. In our
2309 case the guess is not the same as the compiled default, so the script
2310 suddenly stopped working when I started to use syslog. The patch checks
2311 to see if log_file_path is "". If so, it attempts to read it from exim
2312 with no configuration file to get the compiled in version, before it
2313 falls back to the previous guessing code."
2314
294520c8
TK
2315TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2316 implementing BATV in an Exim configuration. See NewStuff for the gory
2317 details.
2318
5bd022fe
PH
2319PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2320 Makefile that are specific to HP-UX.
2321
90e9ce59
PH
2322PH/18 If the "use_postmaster" option was set for a recipient callout together
2323 with the "random" option, the postmaster address was used as the MAIL
2324 FROM address for the random test, but not for the subsequent recipient
2325 test. It is now used for both.
2326
5ea81592
PH
2327PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2328 patch removes a few documentation additions to RFC 3028, because the
2329 latest draft now contains them. It adds the new en;ascii-case comparator
2330 and a new error check for 8bit text in MIME parts. Comparator and
2331 require names are now matched exactly. I enabled the subaddress
2332 extension, but it is not well tested yet (read: it works for me)."
2333
c6c2dc1d
PH
2334PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2335 rework some of the code of TK/09 above to avoid the hardwired use of
2336 "%lld" and "long long". Replaced the call to snprintf() with a call to
2337 string_vformat().
2338
fffffe4c
PH
2339PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2340 records point to non-existent hosts", "retry timeout exceeded", and
2341 "retry time not reached for any host after a long failure period".
ca02eafb 2342
9a26b6b2
PH
2343PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2344 experimental DomainKeys support:
2345
2346 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2347 (2) On an error such as an illegally used "control", the wrong name for
2348 the control was given.
2349
2350 These problems did NOT occur unless DomainKeys support was compiled.
2351
4aee0225
PH
2352PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2353
32d668a5
PH
2354PH/24 Added ${if match_ip condition.
2355
8187c3f3
PH
2356PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2357 databases so that it will be absolutely obvious if a crash occurs in the
2358 DB library. This is a regular occurrence (often caused by mis-matched
2359 db.h files).
2360
ff790e47 2361PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2362 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2363 picked up on a user's system that detects such things. There doesn't seem
2364 to be a gcc warning option for this - only an attribute that has to be
2365 put on the function's prototype. It seems that in Fedora Core 4 they have
2366 set this on a number of new functions. No doubt there will be more in due
2367 course.
ff790e47 2368
5417f6d1
PH
2369PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2370 specify a transport. However, if an address that was verified by such a
2371 router was the subject of a callout, Exim crashed because it tried to
2372 read the rcpt_include_affixes from the non-existent transport. Now it
2373 just assumes that the setting of that option is false. This bug was
2374 introduced by 4.51/PH/31.
2375
59cf8544
PH
2376PH/28 Changed -d+all to exclude +memory, because that information is very
2377 rarely of interest, but it makes the output a lot bigger. People tend to
2378 do -d+all out of habit.
2379
e7ad8a65
PH
2380PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2381 code in os-type was giving problems when libc.so lives in lib64, like on
2382 x86_64 Fedora Core.
2383
ade42478
PH
2384PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2385 aren't the modern standard, and it seems that some systems' include files
2386 don't always have them. Exim was already checking for some of the newer
2387 ones like T_AAAA, and defining it itself. I've added checks for all the
2388 record types that Exim uses.
2389
182ad5cf
PH
2390PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2391 not automatically generating a new one, as it is supposed to. This
2392 prevented TLS from working. If the file did exist, but contained invalid
2393 data, a new version was generated, as expected. It was only the case of a
2394 non-existent file that was broken.
2395
b0d9fc80
TK
2396TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2397 with a change in libdomainkeys > 0.64.
2398
2399TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2400 from DNS. If the selector record carries the flag, it now has
2401 precedence over the domain-wide flag.
2402
2403TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2404
47c7a64a
PH
2405PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2406 the use of a port name that isn't defined in /etc/services) occurred, the
2407 message was deferred as in a normal delivery, and thus remained on the
2408 spool, instead of being failed because of the mua_wrapper setting. This
2409 is now fixed, and I tidied up some of the mua_wrapper messages at the
2410 same time.
2411
a388bce4
SC
2412SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2413 the messages in a hash of arrays rather than using individual hashes.
2414 This is a bit cleaner and results in dramatic memory savings, albeit
2415 at a slight CPU cost.
2416
2417SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2418 as requested by Marc Sherman.
2419
2420SC/10 Eximstats: added histograms for user specified patterns as requested
2421 by Marc Sherman.
2422
0793e4ed
SC
2423SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2424
c58b88df
PH
2425PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2426 fopen() in the content-scanning modules that did not already have it.
2427
e7ad8a65 2428
7982096b
PH
2429Exim version 4.51
2430-----------------
2431
1a46a8c5
PH
2432TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2433 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2434
2f079f46 2435TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2436
2437TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2438
2439PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2440 to test Sieve filters that use "vacation".
2441
2442PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2443 that changes the way the GnuTLS parameters are stored in the cache file.
2444 The new format can be generated externally. For backward compatibility,
2445 if the data in the cache doesn't make sense, Exim assumes it has read an
2446 old-format file, and it generates new data and writes a new file. This
2447 means that you can't go back to an older release without removing the
2448 file.
2449
2450PH/03 A redirect router that has both "unseen" and "one_time" set does not
2451 work if there are any delivery delays because "one_time" forces the
2452 parent to be marked "delivered", so its unseen clone is never tried
2453 again. For this reason, Exim now forbids the simultaneous setting of
2454 these two options.
2455
2456PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2457 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2458 entry if you want to know the details. The fix, however, neglected to
2459 consider the case when local delivery batching is involved. The test for
2460 "previously delivered" was not happening when checking to see if an
2461 address could be batched with a previous (undelivered) one; under
2462 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2463 address.
1a46a8c5
PH
2464
2465PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2466 in its include files, and this causes problems building Exim.
2467
2468PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2469 header_syntax) but Exim was just ignoring anything given after a slash.
2470 In particular, this caused confusion with an attempt to use "verify =
2471 reverse_host_lookup/defer_ok". An error is now given when options are
2472 supplied for verify items that do not have them. (Maybe reverse_host_
2473 lookup should have a defer_ok option, but that's a different point.)
2474
2475PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2476 defined by RFC 821) to 2048, because there were problems with some AUTH
2477 commands, and RFC 1869 says the size should be increased for extended
2478 SMTP commands that take arguments.
2479
2480PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2481 Finch).
2482
2483PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2484 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2485
49c2d5ea
PH
2486PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2487 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2488 whatever). Otherwise the password may appear in the log. Following change
2489 PH/42 below, there is no longer a chance of it appearing in a bounce
2490 message.
49c2d5ea 2491
bf759a8b
PH
2492PH/11 Installed exipick version 20050225.0 from John Jetmore.
2493
83364d30
PH
2494PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2495 of its addresses was ever tried. (Bugzilla bug #2.)
2496
7999bbd7
PH
2497PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2498 the result incorrectly in the debug output. (It correctly added a newline
2499 to what was transported.)
2500
7dbf77c9
PH
2501TF/01 Added $received_time.
2502
74e0617f
PH
2503PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2504 commented out examples of how to interface to a virus scanner and to
2505 SpamAssassin. Also added commented examples of av_scanner and
2506 spamd_address settings.
2507
2f079f46
PH
2508PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2509 and controls are allowed in which ACLs. There were a couple of minor
2510 errors. Some of the entries in the conditions table (which is a table of
2511 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2512 negation of where the condition IS allowed.
2513
8c841523
PH
2514PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2515
7766a4f0
PH
2516PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2517 header file does not have a version number, so I've had to invent a new
2518 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2519 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2520 radiusclient), but it was contributed by a Radius user.
2521
8b417f2c
PH
2522PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2523 files or directories, for OpenSSL.
2524
901f42cb
PH
2525PH/19 When an Exim process that is running as root has to create an Exim log
2526 file, it does so in a subprocess that runs as exim:exim so as to get the
2527 ownership right at creation (otherwise, other Exim processes might see
2528 the file with the wrong ownership). There was no test for failure of this
2529 fork() call, which would lead to the process getting stuck as it waited
2530 for a non-existent subprocess. Forks do occasionally fail when resources
2531 run out. I reviewed all the other calls to fork(); they all seem to check
2532 for failure.
2533
f9b9210e
PH
2534PH/20 When checking for unexpected SMTP input at connect time (before writing
2535 the banner), Exim was not dealing correctly with a non-positive return
2536 from the read() function. If the client had disconnected by this time,
2537 the result was a log entry for a synchronization error with an empty
2538 string after "input=" when read() returned zero. If read() returned -1
2539 (an event I could not check), uninitialized data bytes were printed.
2540 There were reports of junk text (parts of files, etc) appearing after
2541 "input=".
2542
54cdb463
PH
2543PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2544
cf00dad6
PH
2545PH/22 Added support for macro redefinition, and (re)definition in between
2546 driver and ACL definitions.
2547
acb1b346
PH
2548PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2549 forgetting to use the resulting value; it was using the unexpanded value.
2550
c5ddb310
PH
2551PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2552 hadn't been configured. The fix is from Juergen Kreileder, who
2553 understands it better than I do:
2554
2555 "Here's what I see happening with three configured cyrus_sasl
2556 authenticators configured (plain, login, cram-md5):
2557
2558 On startup auth_cyrus_sasl_init() gets called for each of these.
2559 This means three calls to sasl_listmech() without a specified mech_list.
2560 => SASL tests which mechs of all available mechs actually work
2561 => three warnings about OTP not working
2562 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2563
2564 With the patch, sasl_listmech() also gets called three times. But now
2565 SASL's mech_list option is set to the server_mech specified in the the
2566 authenticator. Or in other words, the answer from sasl_listmech()
2567 gets limited to just the mech you're testing for (which is different
2568 for each call.)
2569 => the return list contains just 'plain' or 'login', 'cram-md5' or
2570 nothing depending on the value of ob->server_mech.
2571
2572 I've just tested the patch: Authentication still works fine,
2573 unavailable mechs specified in the exim configuration are still
2574 caught, and the auth.log warnings about OTP are gone."
2575
31619da6
PH
2576PH/25 When debugging is enabled, the contents of the command line are added
2577 to the debugging output, even when log_selector=+arguments is not
2578 specified.
2579
bebaf0fc
PH
2580PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2581 answer is "GNU", and only if the return is "GNU/something" is the answer
2582 "Linux".
2583
475fe28a
PH
2584PH/27 $acl_verify_message is now set immediately after the failure of a
2585 verification in an ACL, and so is available in subsequent modifiers. In
2586 particular, the message can be preserved by coding like this:
2587
2588 warn !verify = sender
2589 set acl_m0 = $acl_verify_message
2590
2591 Previously, $acl_verify_message was set only while expanding "message"
2592 and "log_message" when a very denied access.
2593
7e8bec7a
PH
2594PH/28 Modified OS/os.c-Linux with
2595
2596 -#ifndef OS_LOAD_AVERAGE
2597 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2598
2599 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2600 nomenclature these days.)
2601
e4a89c47
PH
2602PH/29 Installed patch from the Sieve maintainer that adds the options
2603 sieve_useraddress and sieve_subaddress to the redirect router.
2604
5ca2a9a1
PH
2605PH/30 In these circumstances:
2606 . Two addresses routed to the same list of hosts;
2607 . First host does not offer TLS;
2608 . First host accepts first address;
2609 . First host gives temporary error to second address;
2610 . Second host offers TLS and a TLS session is established;
2611 . Second host accepts second address.
2612 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2613 and peerdn, if requested) that were in fact used only for the second
2614 address.
7e8bec7a 2615
c688b954
PH
2616PH/31 When doing a callout as part of verifying an address, Exim was not paying
2617 attention to any local part prefix or suffix that was matched by the
2618 router that accepted the address. It now behaves in the same way as it
2619 does for delivery: the affixes are removed from the local part unless
2620 rcpt_include_affixes is set on the transport.
2621
fed77020
PH
2622PH/32 Add the sender address, as F=<...>, to the log line when logging a
2623 timeout during the DATA phase of an incoming message.
2624
7fe1560f
PH
2625PH/33 Sieve envelope tests were broken for match types other than :is. I have
2626 applied a patch sanctioned by the Sieve maintainer.
c688b954 2627
ebb6e6d5
PH
2628PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2629 the uid or gid is negative. A case of a negative gid caused this to be
2630 noticed. The fix allows for either to be negative.
2631
9c4e8f60
PH
2632PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2633 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2634 overlooked.
2635
2636PH/36 The change PH/12 above was broken. Fixed it.
2637
d7174846
PH
2638PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2639 the grounds that routing the same address twice would always produce the
2640 same answer. This might have been true once, but it is certainly no
2641 longer true now. Routing a child address may depend on the previous
2642 routing that produced that child. Some complicated redirection strategies
2643 went wrong when messages had multiple recipients, and made Exim's
2644 behaviour dependent on the order in which the addresses were given.
2645
2646 I have moved the duplicate checking until after the routing is complete.
2647 Exim scans the addresses that are assigned to local and remote
2648 transports, and removes any duplicates. This means that more work will be
2649 done, as duplicates will always all be routed, but duplicates are
2650 presumably rare, so I don't expect this is of any significance.
2651
2652 For deliveries to pipes, files, and autoreplies, the duplicate checking
2653 still happens during the routing process, since they are not going to be
2654 routed further.
2655
cfe75fc3
PH
2656PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2657 It corrects a timeout issue with spamd. This is Ian's comment: "The
2658 background is that sometimes spamd either never reads data from a
2659 connection it has accepted, or it never writes response data. The exiscan
2660 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2661 blindly assumes that writes won't block so it may never time out."
2662
be22d70e
PH
2663PH/39 Allow G after quota size as well as K and M.
2664
0612b098
PH
2665PH/40 The value set for $authenticated_id in an authenticator may not contain
2666 binary zeroes or newlines because the value is written to log lines and
2667 to spool files. There was no check on this. Now the value is run through
2668 the string_printing() function so that such characters are converted to
2669 printable escape sequences.
2670
2e0c1448
PH
2671PH/41 $message_linecount is a new variable that contains the total number of
2672 lines in the message. Compare $body_linecount, which is the count for the
2673 body only.
2674
447d236c
PH
2675PH/42 Exim no longer gives details of delivery errors for specific addresses in
2676 bounce and delay warning messages, except in certain special cases, which
2677 are as follows:
2678
2679 (a) An SMTP error message from a remote host;
2680 (b) A message specified in a :fail: redirection;
2681 (c) A message specified in a "fail" command in a system filter;
2682 (d) A message specified in a FAIL return from the queryprogram router;
2683 (e) A message specified by the cannot_route_message router option.
2684
2685 In these cases only, Exim does include the error details in bounce and
2686 warning messages. There are also a few cases where bland messages such
2687 as "unrouteable address" or "local delivery error" are given.
2688
d20976dc
PH
2689PH/43 $value is now also set for the "else" part of a ${run expansion.
2690
f656d135
PH
2691PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2692 being worked on, but at least Exim now implements the latest version to
2693 play with."
2694
2e2a30b4
PH
2695PH/45 In a pipe transport, although a timeout while waiting for the pipe
2696 process to complete was treated as a delivery failure, a timeout while
2697 writing the message to the pipe was logged, but erroneously treated as a
2698 successful delivery. Such timeouts include transport filter timeouts. For
2699 consistency with the overall process timeout, these timeouts are now
2700 treated as errors, giving rise to delivery failures by default. However,
2701 there is now a new Boolean option for the pipe transport called
2702 timeout_defer, which, if set TRUE, converts the failures into defers for
2703 both kinds of timeout. A transport filter timeout is now identified in
2704 the log output.
2705
9176e9f0
PH
2706PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2707 systems where "make" and "gmake" are different, calling "gmake" at top
2708 level broke things. I've arranged for the value of $(MAKE) to be passed
2709 from the Makefile to this script so that it can call the same version of
2710 "make".
2711
7982096b 2712
bbe902f0
PH
2713A note about Exim versions 4.44 and 4.50
2714----------------------------------------
2715
2716Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2717changes of various kinds. As a consequence, a big documentation update was
2718needed. This delayed the release for rather longer than seemed good, especially
2719in the light of a couple of (minor) security issues. Therefore, the changes
2720that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2721release. So 4.44 and 4.50 are in effect two different branches that both start
2722from 4.43.
2723
2724I have left the 4.50 change log unchanged; it contains all the changes since
27254.43. The change log for 4.44 is below; many of its items are identical to
2726those for 4.50. This seems to be the most sensible way to preserve the
2727historical information.
2728
2729
f7b63901 2730Exim version 4.50
495ae4b0
PH
2731-----------------
2732
5fe762f6
PH
2733 1. Minor wording change to the doc/README.SIEVE file.
2734
139059f6 2735 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2736 computation of the current number of files was incorrect.
495ae4b0 2737
7086e875
PH
2738 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2739 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2740 place.
2741
35af9f61
PH
2742 4. Give more explanation in the error message when the command for a transport
2743 filter fails to execute.
2744
b668c215
PH
2745 5. There are several places where Exim runs a non-Exim command in a
2746 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2747 was being done only for the command run by the queryprogram router. It is
2748 now done for all such subprocesses. The other cases are: ${run, transport
2749 filters, and the commands run by the lmtp and pipe transports.
2750
a494b1e1
PH
2751 6. Added CONFIGURE_GROUP build-time option.
2752
2753 7. Some older OS have a limit of 256 on the maximum number of file
2754 descriptors. Exim was using setrlimit() to set 1000 as a large value
2755 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2756 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2757
c5fcb476
PH
2758 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2759 was an oversight, and furthermore, ever since the addition of extra
2760 controls (e.g. 4.43/32), the checks on when to allow different forms of
2761 "control" were broken. There should now be diagnostics for all cases when a
2762 control that does not make sense is encountered.
2763
69358f02
PH
2764 9. Added the /retain_sender option to "control=submission".
2765
5be20824
PH
276610. $recipients is now available in the predata ACL (oversight).
2767
eb2c0248
PH
276811. Tidy the search cache before the fork to do a delivery from a message
2769 received from the command line. Otherwise the child will trigger a lookup
2770 failure and thereby defer the delivery if it tries to use (for example) a
2771 cached ldap connection that the parent has called unbind on.
2772
2a3eea10
PH
277312. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2774 of $address_data from the recipient verification was clobbered by the
2775 sender verification.
2776
277713. The value of address_data from a sender verification is now available in
2778 $sender_address_data in subsequent conditions in the ACL statement.
2779
23c7ff99
PH
278014. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2781
4deaf07d
PH
278215. Added a new option "connect=<time>" to callout options, to set a different
2783 connection timeout.
2784
926e1192
PH
278516. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2786 was its contents. (It was OK if the option was not defined at all.)
2787
650edc6f
PH
278817. A "Completed" log line is now written for messages that are removed from
2789 the spool by the -Mrm option.
2790
2c7db3f5
PH
279118. New variables $sender_verify_failure and $recipient_verify_failure contain
2792 information about exactly what failed.
2793
3d235903
PH
279419. Added -dd to debug only the daemon process.
2795
7c7ad977
PH
279620. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2797 handles timeouts, both on the server side and network timeouts. Renamed the
2798 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2799
981756db
PH
280021. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2801 It is now set to "smtps".
2802
d4eb88df
PH
280322. $host_address is now set to the target address during the checking of
2804 ignore_target_hosts.
2805
280623. When checking ignore_target_hosts for an ipliteral router, no host name was
2807 being passed; this would have caused $sender_host_name to have been used if
2808 matching the list had actually called for a host name (not very likely,
2809 since this list is usually IP addresses). A host name is now passed as
2810 "[x.x.x.x]".
2811
7d468ab8
PH
281224. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2813 code that specifies a non-restarting handler (typically sigaction() in
2814 modern systems) in an attempt to fix a rare and obscure crash bug.
2815
281625. Narrowed the window for a race in the daemon that could cause it to ignore
2817 SIGCHLD signals. This is not a major problem, because they are used only to
2818 wake it up if nothing else does.
2819
62c0818f
PH
282026. A malformed maildirsize file could cause Exim to calculate negative values
2821 for the mailbox size or file count. Odd effects could occur as a result.
2822 The maildirsize information is now recalculated if the size or filecount
2823 end up negative.
2824
26034054
PH
282527. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2826 support for a long time. Removed HAVE_SYS_VFS_H.
2827
af66f652
PH
282828. Installed the latest version of exipick from John Jetmore.
2829
90af77f4
PH
283029. In an address list, if the pattern was not a regular expression, an empty
2831 subject address (from a bounce message) matched only if the pattern was an
2832 empty string. Non-empty patterns were not even tested. This was the wrong
2833 because it is perfectly reasonable to use an empty address as part of a
2834 database query. An empty address is now tested by patterns that are
2835 lookups. However, all the other forms of pattern expect the subject to
2836 contain a local part and a domain, and therefore, for them, an empty
2837 address still always fails if the pattern is not itself empty.
2838
d8ef3577
PH
283930. Exim went into a mad DNS loop when attempting to do a callout where the
2840 host was specified on an smtp transport, and looking it up yielded more
2841 than one IP address.
2842
5cb8cbc6
PH
284331. Re-factored the code for checking spool and log partition space into a
2844 function that finds that data and another that does the check. The former
2845 is then used to implement four new variables: $spool_space, $log_space,
2846 $spool_inodes, and $log_inodes.
2847
14702f5b
PH
284832. The RFC2047 encoding function was originally intended for short strings
2849 such as real names; it was not keeping to the 75-character limit for
2850 encoded words that the RFC imposes. It now respects the limit, and
2851 generates multiple encoded words if necessary. To be on the safe side, I
2852 have increased the buffer size for the ${rfc2047: expansion operator from
2853 1024 to 2048 bytes.
2854
063b1e99
PH
285533. It is now permitted to omit both strings after an "if" condition; if the
2856 condition is true, the result is "true". As before, when the second string
2857 is omitted, a false condition yields an empty string. This makes it less
2858 cumbersome to write custom ACL and router conditions.
2859
652e1b65
PH
286034. Failure to deliver a bounce message always caused it to be frozen, even if
2861 there was an errors_to setting on the router. The errors_to setting is now
2862 respected.
2863
6f0c9a4f
PH
286435. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2865 canonical form (fully expanded) before being placed in
2866 $sender_host_address.
2867
33397d19
PH
286836. The table in the code that translates DNS record types into text (T_A to
2869 "A" for instance) was missing entries for NS and CNAME. It is just possible
2870 that this could have caused confusion if both these types were looked up
2871 for the same domain, because the text type is used as part of Exim's
2872 per-process caching. But the chance of anyone hitting this buglet seems
2873 very small.
2874
7bb56e1f
PH
287537. The dnsdb lookup has been extended in a number of ways.
2876
2877 (1) There is a new type, "zns", which walks up the domain tree until it
2878 finds some nameserver records. It should be used with care.
2879
ea3bc19b
PH
2880 (2) There is a new type, "mxh", which is like "mx" except that it returns
2881 just the host names, not the priorities.
2882
2883 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2884 looked up. The behaviour when one of the lookups defers can be
2885 controlled by a keyword.
7bb56e1f 2886
ea3bc19b 2887 (4) It is now possible to specify the separator character for use when
7bb56e1f 2888 multiple records are returned.
33397d19 2889
0bcb2a0e
PH
289038. The dnslists ACL condition has been extended: it is now possible to supply
2891 a list of IP addresses and/or domains to be looked up in a particular DNS
2892 domain.
2893
2ac0e484
PH
289439. Added log_selector=+queue_time_overall.
2895
4e1fde53
PH
289640. When running the queue in the test harness, wait just a tad after forking a
2897 delivery process, to get repeatability of debugging output.
2898
de365ded
PH
289941. Include certificate and key file names in error message when GnuTLS fails
2900 to set them up, because the GnuTLS error message doesn't include the name
2901 of the failing file when there is a problem reading it.
2902
f05da2e8
PH
290342. Allow both -bf and -bF in the same test run.
2904
d6453af2
PH
290543. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2906
f7b63901
PH
290744. The "Exiscan patch" is now merged into the mainline Exim source.
2908
290945. Sometimes the final signoff response after QUIT could fail to get
2910 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2911 < 0 before doing a fflush(). This bug looks as though it goes back to the
2912 introduction of TLS in release 3.20, but "sometimes" must have been rare
2913 because the tests only now provoked it.
2914
a444213a
PH
291546. Reset the locale to "C" after calling embedded Perl, in case it was changed
2916 (this can affect the format of dates).
2917
0ec020ea
PH
291847. exim_tidydb, when checking for the continued existence of a message for
2919 which it has found a message-specific retry record, was not finding
2920 messages that were in split spool directories. Consequently, it was
2921 deleting retry records that should have stayed in existence.
2922
b1206957
PH
292348. Steve fixed some bugs in eximstats.
2924
292549. The SPA authentication driver was not abandoning authentication and moving
2926 on to the next authenticator when an expansion was forced to fail,
2927 contradicting the general specification for all authenticators. Instead it
2928 was generating a temporary error. It now behaves as specified.
2929
26dd5a95
PH
293050. The default ordering of permitted cipher suites for GnuTLS was pessimal
2931 (the order specifies the preference for clients). The order is now AES256,
2932 AES128, 3DES, ARCFOUR128.
2933
343b2385
PH
293451. Small patch to Sieve code - explicitly set From: when generating an
2935 autoreply.
2936
1c5466b9
PH
293752. Exim crashed if a remote delivery caused a very long error message to be
2938 recorded - for instance if somebody sent an entire SpamAssassin report back
2939 as a large number of 550 error lines. This bug was coincidentally fixed by
2940 increasing the size of one of Exim's internal buffers (big_buffer) that
2941 happened as part of the Exiscan merge. However, to be on the safe side, I
2942 have made the code more robust (and fixed the comments that describe what
2943 is going on).
2944
55ee9ee3
PH
294553. Now that there can be additional text after "Completed" in log lines (if
2946 the queue_time_overall log selector is set), a one-byte patch to exigrep
2947 was needed to allow it to recognize "Completed" as not the last thing in
2948 the line.
2949
d38f8232
PH
295054. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2951 patch that reportedly fixes this has been added. I am not expert enough to
2952 create a test for it. This is what the patch creator wrote:
2953
2954 "I found a little strange behaviour of ldap code when working with
2955 Windows 2003 AD Domain, where users was placed in more than one
2956 Organization Units. When I tried to give exim partial DN, the exit code
2957 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2958 But simultaneously result of request was absolutely normal ldap result,
2959 so I produce this patch..."
2960
3295e65b
PH
2961 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2962 REFERENCE, so I have modified the code to exclude the patch when that macro
2963 is not defined.
2964
7102e136
PH
296555. Some experimental protocols are using DNS PTR records for new purposes. The
2966 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2967 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2968 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2969 CAN-2005-0021
7102e136 2970
3ca0ba97
PH
297156. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2972
c2bcbe20
PH
297357. Double the size of the debug message buffer (to 2048) so that more of very
2974 long debug lines gets shown.
2975
18ce445d
PH
297658. The exicyclog utility now does better if the number of log files to keep
2977 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2978
1f5b4c3d
PH
297959. Two changes related to the smtp_active_hostname option:
2980
2981 (1) $smtp_active_hostname is now available as a variable.
2982 (2) The default for smtp_banner uses $smtp_active_hostname instead
2983 of $primary_hostname.
2984
b975ba52
PH
298560. The host_aton() function is supposed to be passed a string that is known
2986 to be a valid IP address. However, in the case of IPv6 addresses, it was
2987 not checking this. This is a hostage to fortune. Exim now panics and dies
2988 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
2989 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2990 components; fortuitously, this particular loophole had already been fixed
2991 by change 4.50/55 above.
2992
2993 If there are any other similar loopholes, the new check in host_aton()
2994 itself should stop them being exploited. The report I received stated that
2995 data on the command line could provoke the exploit when Exim was running as
2996 exim, but did not say which command line option was involved. All I could
2997 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2998 running as the user.
ea3a6f44 2999 CAN-2005-0021
85b87bc2
PH
3000
300161. There was a buffer overflow vulnerability in the SPA authentication code
3002 (which came originally from the Samba project). I have added a test to the
3003 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 3004 CAN-2005-0022
b975ba52 3005
17ffcae7
PH
300662. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
3007 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
3008
d95f9fdb
PH
300963. The daemon start-up calls getloadavg() while still root for those OS that
3010 need the first call to be done as root, but it missed one case: when
3011 deliver_queue_load_max is set with deliver_drop_privilege. This is
3012 necessary for the benefit of the queue runner, because there is no re-exec
3013 when deliver_drop_privilege is set.
3014
86b8287f
PH
301564. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
3016 This has been fixed.
3017
60dc5e56
PH
301865. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3019 was in use, was not putting the data itself into the right store pool;
3020 consequently, it could be overwritten for a subsequent message in the same
3021 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3022 the caching.)
3023
533244af
PH
302466. Added hosts_max_try_hardlimit to the smtp transport, default 50.
3025
a5a28604
PH
302667. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
3027 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
3028 the function were treating the return as a boolean value, which happened to
3029 work because 0=false and not-0=true, but is not correct code.
3030
7e634d24
PH
303168. The host_aton() function was not handling scoped IPv6 addresses (those
3032 with, for example, "%eth0" on the end) correctly.
3033
3e11c26b
PH
303469. Fixed some compiler warnings in acl.c for the bitmaps specified with
3035 negated items (that is, ~something) in unsigned ints. Some compilers
3036 apparently mutter when there is no cast.
3037
6729cf78
PH
303870. If an address verification called from an ACL failed, and did not produce a
3039 user-specific message (i.e. there was only a "system" message), nothing was
3040 put in $acl_verify_message. In this situation, it now puts the system
3041 message there.
3042
00f00ca5
PH
304371. Change 4.23/11 added synchronization checking at the start of an SMTP
3044 session; change 4.31/43 added the unwanted input to the log line - except
3045 that it did not do this in the start of session case. It now does.
3046
c9bdd01c
PH
304772. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
3048 This is wrong and can cause the other end to generate a synchronization
3049 error if it is another Exim or anything else that does the synchronization
3050 check. A QUIT command is no longer sent after a timeout.
3051
d43194df
PH
305273. $host_lookup_deferred has been added, to make it easier to detect DEFERs
3053 during host lookups.
3054
fe5b5d0b
PH
305574. The defer_ok option of callout verification was not working if it was used
3056 when verifying addresses in header lines, that is, for this case:
3057
3058 verify = header_sender/callout=defer_ok
3059
76a2d7ba
PH
306075. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
3061 those file descriptors could be used for SMTP connections. If anything
3062 wrote to stderr (the example that came up was "warn" in embedded Perl), it
3063 could be sent to the SMTP client, causing chaos. The daemon now opens
3064 stdin, stdout, and stderr to /dev/null when it puts itself into the
3065 background.
3066
306776. Arrange for output from Perl's "warn" command to be written to Exim's main
3068 log by default. The user can override this with suitable Perl magic.
3069
04f7d5b9
PH
307077. The use of log_message on a "discard" ACL verb, which is supposed to add to
3071 the log message when discard triggers, was not working for the DATA ACL or
3072 for the non-SMTP ACL.
3073
bc60667e
PH
307478. Error message wording change in sieve.c.
3075
bb6e88ff
PH
307679. If smtp_accept_max_per_host was set, the number of connections could be
3077 restricted to fewer than expected, because the daemon was trying to set up
3078 a new connection before checking whether the processes handling previous
3079 connections had finished. The check for completed processes is now done
3080 earlier. On busy systems, this bug wouldn't be noticed because something
3081 else would have woken the daemon, and it would have reaped the completed
3082 process earlier.
3083
1e70f85b
PH
308480. If a message was submitted locally by a user whose login name contained one
3085 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
3086 It caused a spool format error. I have fixed the spool reading code. A
3087 related problem was that the "from" clause in the Received: line became
3088 illegal because of the space(s). It is now covered by ${quote_local_part.
3089
309081. Included the latest eximstats from Steve (adds average sizes to HTML Top
3091 tables).
3092
4e01f9d6
PH
309382. Updated OS/Makefile-AIX as per message from Mike Meredith.
3094
1ee1cef2
PH
309583. Patch from Sieve maintainer to fix unterminated string problem in
3096 "vacation" handling.
3097
6e2b4ccc
PH
309884. Some minor changes to the Linux configuration files to help with other
3099 OS variants using glibc.
3100
8e669ac1
PH
310185. One more patch for Sieve to update vacation handling to latest spec.
3102
495ae4b0 3103
bbe902f0
PH
3104----------------------------------------------------
3105See the note above about the 4.44 and 4.50 releases.
3106----------------------------------------------------
3107
3108
3109Exim version 4.44
3110-----------------
3111
3112 1. Change 4.43/35 introduced a bug that caused file counts to be
3113 incorrectly computed when quota_filecount was set in an appendfile
3114 transport
3115
3116 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
3117 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
3118 place.
3119
3120 3. Give more explanation in the error message when the command for a transport
3121 filter fails to execute.
3122
3123 4. There are several places where Exim runs a non-Exim command in a
3124 subprocess. The SIGUSR1 signal should be disabled for these processes. This
3125 was being done only for the command run by the queryprogram router. It is
3126 now done for all such subprocesses. The other cases are: ${run, transport
3127 filters, and the commands run by the lmtp and pipe transports.
3128
3129 5. Some older OS have a limit of 256 on the maximum number of file
3130 descriptors. Exim was using setrlimit() to set 1000 as a large value
3131 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
3132 systems. I've change it so that if it can't get 1000, it tries for 256.
3133
3134 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
3135 was an oversight, and furthermore, ever since the addition of extra
3136 controls (e.g. 4.43/32), the checks on when to allow different forms of
3137 "control" were broken. There should now be diagnostics for all cases when a
3138 control that does not make sense is encountered.
3139
3140 7. $recipients is now available in the predata ACL (oversight).
3141
3142 8. Tidy the search cache before the fork to do a delivery from a message
3143 received from the command line. Otherwise the child will trigger a lookup
3144 failure and thereby defer the delivery if it tries to use (for example) a
3145 cached ldap connection that the parent has called unbind on.
3146
3147 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
3148 of $address_data from the recipient verification was clobbered by the
3149 sender verification.
3150
315110. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
3152 was its contents. (It was OK if the option was not defined at all.)
3153
315411. A "Completed" log line is now written for messages that are removed from
3155 the spool by the -Mrm option.
3156
315712. $host_address is now set to the target address during the checking of
3158 ignore_target_hosts.
3159
316013. When checking ignore_target_hosts for an ipliteral router, no host name was
3161 being passed; this would have caused $sender_host_name to have been used if
3162 matching the list had actually called for a host name (not very likely,
3163 since this list is usually IP addresses). A host name is now passed as
3164 "[x.x.x.x]".
3165
316614. Changed the calls that set up the SIGCHLD handler in the daemon to use the
3167 code that specifies a non-restarting handler (typically sigaction() in
3168 modern systems) in an attempt to fix a rare and obscure crash bug.
3169
317015. Narrowed the window for a race in the daemon that could cause it to ignore
3171 SIGCHLD signals. This is not a major problem, because they are used only to
3172 wake it up if nothing else does.
3173
317416. A malformed maildirsize file could cause Exim to calculate negative values
3175 for the mailbox size or file count. Odd effects could occur as a result.
3176 The maildirsize information is now recalculated if the size or filecount
3177 end up negative.
3178
317917. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
3180 support for a long time. Removed HAVE_SYS_VFS_H.
3181
ea3a6f44 318218. Updated exipick to current release from John Jetmore.
bbe902f0
PH
3183
318419. Allow an empty sender to be matched against a lookup in an address list.
3185 Previously the only cases considered were a regular expression, or an
3186 empty pattern.
3187
318820. Exim went into a mad DNS lookup loop when doing a callout where the
3189 host was specified on the transport, if the DNS lookup yielded more than
3190 one IP address.
3191
ea3a6f44
NM
319221. The RFC2047 encoding function was originally intended for short strings
3193 such as real names; it was not keeping to the 75-character limit for
3194 encoded words that the RFC imposes. It now respects the limit, and
3195 generates multiple encoded words if necessary. To be on the safe side, I
3196 have increased the buffer size for the ${rfc2047: expansion operator from
3197 1024 to 2048 bytes.
bbe902f0 3198
ea3a6f44
NM
319922. Failure to deliver a bounce message always caused it to be frozen, even if
3200 there was an errors_to setting on the router. The errors_to setting is now
3201 respected.
bbe902f0
PH
3202
320323. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3204 canonical form (fully expanded) before being placed in
3205 $sender_host_address.
3206
320724. Updated eximstats to version 1.33
3208
ea3a6f44
NM
320925. Include certificate and key file names in error message when GnuTLS fails
3210 to set them up, because the GnuTLS error message doesn't include the name
3211 of the failing file when there is a problem reading it.
bbe902f0
PH
3212
321326. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3214 As per change 25.
bbe902f0 3215
ea3a6f44
NM
321627. Reset the locale to "C" after calling embedded Perl, in case it was changed
3217 (this can affect the format of dates).
bbe902f0 3218
ea3a6f44
NM
321928. exim_tidydb, when checking for the continued existence of a message for
3220 which it has found a message-specific retry record, was not finding
3221 messages that were in split spool directories. Consequently, it was
3222 deleting retry records that should have stayed in existence.
bbe902f0
PH
3223
322429. eximstats updated to version 1.35
3225 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3226 1.35 - bugfix such that pie charts by volume are generated correctly
3227
ea3a6f44
NM
322830. The SPA authentication driver was not abandoning authentication and moving
3229 on to the next authenticator when an expansion was forced to fail,
3230 contradicting the general specification for all authenticators. Instead it
3231 was generating a temporary error. It now behaves as specified.
bbe902f0 3232
ea3a6f44
NM
323331. The default ordering of permitted cipher suites for GnuTLS was pessimal
3234 (the order specifies the preference for clients). The order is now AES256,
3235 AES128, 3DES, ARCFOUR128.
bbe902f0 3236
ea3a6f44
NM
323731. Small patch to Sieve code - explicitly set From: when generating an
3238 autoreply.
bbe902f0 3239
ea3a6f44
NM
324032. Exim crashed if a remote delivery caused a very long error message to be
3241 recorded - for instance if somebody sent an entire SpamAssassin report back
3242 as a large number of 550 error lines. This bug was coincidentally fixed by
3243 increasing the size of one of Exim's internal buffers (big_buffer) that
3244 happened as part of the Exiscan merge. However, to be on the safe side, I
3245 have made the code more robust (and fixed the comments that describe what
3246 is going on).
bbe902f0 3247
ea3a6f44
NM
324833. Some experimental protocols are using DNS PTR records for new purposes. The
3249 keys for these records are domain names, not reversed IP addresses. The
3250 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3251 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3252 CAN-2005-0021
3253
ea3a6f44
NM
325434. The host_aton() function is supposed to be passed a string that is known
3255 to be a valid IP address. However, in the case of IPv6 addresses, it was
3256 not checking this. This is a hostage to fortune. Exim now panics and dies
3257 if the condition is not met. A case was found where this could be provoked
3258 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3259 components; fortuitously, this particular loophole had already been fixed
3260 by change 4.50/55 or 4.44/33 above.
3261
3262 If there are any other similar loopholes, the new check in host_aton()
3263 itself should stop them being exploited. The report I received stated that
3264 data on the command line could provoke the exploit when Exim was running as
3265 exim, but did not say which command line option was involved. All I could
3266 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3267 running as the user.
bbe902f0
PH
3268 CAN-2005-0021
3269
ea3a6f44
NM
327035. There was a buffer overflow vulnerability in the SPA authentication code
3271 (which came originally from the Samba project). I have added a test to the
3272 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3273 CAN-2005-0022
3274
ea3a6f44
NM
327536. The daemon start-up calls getloadavg() while still root for those OS that
3276 need the first call to be done as root, but it missed one case: when
3277 deliver_queue_load_max is set with deliver_drop_privilege. This is
3278 necessary for the benefit of the queue runner, because there is no re-exec
3279 when deliver_drop_privilege is set.
bbe902f0 3280
ea3a6f44
NM
328137. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3282 was in use, was not putting the data itself into the right store pool;
3283 consequently, it could be overwritten for a subsequent message in the same
3284 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3285 the caching.)
bbe902f0 3286
ea3a6f44
NM
328738. Sometimes the final signoff response after QUIT could fail to get
3288 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3289 < 0 before doing a fflush(). This bug looks as though it goes back to the
3290 introduction of TLS in release 3.20, but "sometimes" must have been rare
3291 because the tests only now provoked it.
bbe902f0
PH
3292
3293
495ae4b0
PH
3294Exim version 4.43
3295-----------------
3296
3297 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3298 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3299 Now it returns an integer. A number of calls were still expecting a T/F
3300 return. Fortuitously, in all cases, the tests worked in OK situations,
3301 which is the norm. However, things would have gone wrong on any write
3302 failures on the smtp file descriptor. This function is used when sending
3303 messages over SMTP and also when doing verify callouts.
3304
3305 2. When Exim is called to do synchronous delivery of a locally submitted
3306 message (the -odf or -odi options), it no longer closes stderr before doing
3307 the delivery.
3308
3309 3. Implemented the mua_wrapper option.
3310
3311 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3312
3313 5. Implemented the functions header_remove(), header_testname(),
3314 header_add_at_position(), and receive_remove_recipient(), and exported them
3315 to local_scan().
3316
3317 6. If an ACL "warn" statement specified the addition of headers, Exim already
3318 inserted X-ACL-Warn: at the start if there was no header name. However, it
3319 was not making this test for the second and subsequent header lines if
3320 there were newlines in the string. This meant that an invalid header could
3321 be inserted if Exim was badly configured.
3322
3323 7. Allow an ACL "warn" statement to add header lines at the start or after all
3324 the Received: headers, as well as at the end.
3325
3326 8. Added the rcpt_4xx retry error code.
3327
3328 9. Added postmaster_mailfrom=xxx to callout verification option.
3329
333010. Added mailfrom=xxxx to the callout verification option, for verify=
3331 header_sender only.
3332
333311. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3334 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3335
333612. Inserted some casts to stop certain compilers warning when using pointer
3337 differences as field lengths or precisions in printf-type calls (mostly
3338 affecting debugging statements).
3339
334013. Added optional readline() support for -be (dynamically loaded).
3341
334214. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3343 same clock tick as a message's arrival, so that its received time was the
3344 same as the "first fail" time on the retry record, and that message
3345 remained on the queue past the ultimate address timeout, every queue runner
3346 would try a delivery (because it was past the ultimate address timeout) but
3347 after another failure, the ultimate address timeout, which should have then
3348 bounced the address, did not kick in. This was a "< instead of <=" error;
3349 in most cases the first failure would have been in the next clock tick
3350 after the received time, and all would be well.
3351
335215. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3353 being recognized when the domain list was tested by the match_domain
3354 condition in an expansion string.
3355
335616. Added the ${str2b64: operator.
3357
335817. Exim was always calling setrlimit() to set a large limit for the number of
3359 processes, without checking whether the existing limit was already
3360 adequate. (It did check for the limit on file descriptors.) Furthermore,
3361 errors from getrlimit() and setrlimit() were being ignored. Now they are
3362 logged to the main and panic logs, but Exim does carry on, to try to do its
3363 job under whatever limits there are.
3364
336518. Imported PCRE 5.0.
3366
336719. Trivial typo in log message " temporarily refused connection" (the leading
3368 space).
3369
337020. If the log selector return_path_on_delivery was set and an address was
3371 redirected to /dev/null, the delivery process crashed because it assumed
3372 that a return path would always be set for a "successful" delivery. In this
3373 case, the whole delivery is bypassed as an optimization, and therefore no
3374 return path is set.
3375
337621. Internal re-arrangement: the function for sending a challenge and reading
3377 a response while authentication was assuming a zero-terminated challenge
3378 string. It's now changed to take a pointer and a length, to allow for
3379 binary data in such strings.
3380
338122. Added the cyrus_sasl authenticator (code supplied by MBM).
3382
338323. Exim was not respecting finduser_retries when seeking the login of the
3384 uid under which it was called; it was always trying 10 times. (The default
3385 setting of finduser_retries is zero.) Also, it was sleeping after the final
3386 failure, which is pointless.
3387
338824. Implemented tls_on_connect_ports.
3389
339025. Implemented acl_smtp_predata.
3391
339226. If the domain in control=submission is set empty, Exim assumes that the
3393 authenticated id is a complete email address when it generates From: or
3394 Sender: header lines.
3395
339627. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3397 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3398 chown and chgrp in /bin and hostname in /usr/bin.
3399
340028. Exim was keeping the "process log" file open after each use, just as it
3401 does for the main log. This opens the possibility of it remaining open for
3402 long periods when the USR1 signal hits a daemon. Occasional processlog
3403 errors were reported, that could have been caused by this. Anyway, it seems
3404 much more sensible not to leave this file open at all, so that is what now
3405 happens.
3406
340729. The long-running daemon process does not normally write to the log once it
3408 has entered its main loop, and it closes the log before doing so. This is
3409 so that log files can straightforwardly be renamed and moved. However,
3410 there are a couple of unusual error situations where the daemon does write
3411 log entries, and I had neglected to close the log afterwards.
3412
341330. The text of an SMTP error response that was received during a remote
3414 delivery was being truncated at 512 bytes. This is too short for some of
3415 the long messages that one sometimes sees. I've increased the limit to
3416 1024.
3417
341831. It is now possible to make retry rules that apply only when a message has a
3419 specific sender, in particular, an empty sender.
3420
342132. Added "control = enforce_sync" and "control = no_enforce_sync". This makes
3422 it possible to be selective about when SMTP synchronization is enforced.
3423
342433. Added "control = caseful_local_part" and "control = "caselower_local_part".
3425