Deal with maildir quota file races.
[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
aa097c4c
NM
6Exim version 4.75
7-----------------
8
9NM/01 Workround for PCRE version dependancy in version reporting
10 Bugzilla 1073
11
7f3d9eff
TF
12TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
13 This fixes portability to compilers other than gcc, notably
14 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
15
159f52d2
TF
16TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
17 makefiles for portability to HP-UX and POSIX correctness.
18
0cc9542a
PP
19PP/01 Permit LOOKUP_foo enabling on the make command-line.
20 Also via indented variable definition in the Makefile.
21 (Debugging by Oliver Heesakkers).
22
f7274286
PP
23PP/02 Restore caching of spamd results with expanded spamd_address.
24 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
25
7b797365
PP
26PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
27 Improves build reliability. Fix from: Frank Elsner
28
caacae52
NM
29NM/02 Fix wide character breakage in the rfc2047 coding
30 Fixes bug 1064. Patch from Andrey N. Oktyabrski
31
09dcaba9
NM
32NM/03 Allow underscore in dnslist lookups
33 Fixes bug 1026. Patch from Graeme Fowler
34
bc19a55b
PP
35PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
36 Code patches from Adam Ciarcinski of NetBSD.
caacae52 37
bd4c9759
NM
38NM/04 Fixed exiqgrep to cope with mailq missing size issue
39 Fixes bug 943.
40
b72aab72
PP
41PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
42 is logged, to avoid truncation. Patch from John Horne.
43
2fe76745
PP
44PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
45 Patch from Jakob Hirsch.
46
76aa570c
PP
47PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
48 SQL string expansion failure details.
49 Patch from Andrey Oktyabrski.
50
f1e5fef5
PP
51PP/08 Bugzilla 486: implement %M datestamping in log filenames.
52 Patch from Simon Arlott.
53
4d805ee9
PP
54PP/09 New lookups functionality failed to compile on old gcc which rejects
55 extern declarations in function scope.
56 Patch from Oliver Fleischmann
57
cd59ab18
PP
58PP/10 Use sig_atomic_t for flags set from signal handlers.
59 Check getgroups() return and improve debugging.
60 Fixed developed for diagnosis in bug 927 (which turned out to be
61 a kernel bug).
62
332f5cf3
PP
63PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
64 Patch from Mark Zealey.
65
29cfeb94
PP
66PP/12 Bugzilla 1056: Improved spamd server selection.
67 Patch from Mark Zealey.
68
660242ad
PP
69PP/13 Bugzilla 1086: Deal with maildir quota file races.
70 Based on patch from Heiko Schlittermann.
71
aa097c4c 72
8c07b69f
TF
73Exim version 4.74
74-----------------
75
76TF/01 Failure to get a lock on a hints database can have serious
77 consequences so log it to the panic log.
78
c0ea85ab
TF
79TF/02 Log LMTP confirmation messages in the same way as SMTP,
80 controlled using the smtp_confirmation log selector.
81
0761d44e
TF
82TF/03 Include the error message when we fail to unlink a spool file.
83
0a349494
PP
84DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
85 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
86 for maintaining out-of-tree patches for some time.
87
88PP/01 Bugzilla 139: Documentation and portability issues.
89 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
90 Handle per-OS dynamic-module compilation flags.
91
fea24b2e
PP
92PP/02 Let /dev/null have normal permissions.
93 The 4.73 fixes were a little too stringent and complained about the
94 permissions on /dev/null. Exempt it from some checks.
95 Reported by Andreas M. Kirchwitz.
96
6545de78
PP
97PP/03 Report version information for many libraries, including
98 Exim version information for dynamically loaded libraries. Created
99 version.h, now support a version extension string for distributors
100 who patch heavily. Dynamic module ABI change.
101
1670ef10
PP
102PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
103 privilege escalation vulnerability whereby the Exim run-time user
104 can cause root to append content of the attacker's choosing to
105 arbitrary files.
106
c0886197
PP
107PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
108 (Wolfgang Breyha)
109
b7487bce
PP
110PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
111 If dropping privileges for untrusted macros, we disabled normal logging
112 on the basis that it would fail; for the Exim run-time user, this is not
113 the case, and it resulted in successful deliveries going unlogged.
114 Fixed. Reported by Andreas Metzler.
115
8c07b69f 116
97fd1e48 117Exim version 4.73
ed7f7860 118-----------------
97fd1e48
PP
119
120PP/01 Date: & Message-Id: revert to normally being appended to a message,
121 only prepend for the Resent-* case. Fixes regression introduced in
122 Exim 4.70 by NM/22 for Bugzilla 607.
123
6901c596
PP
124PP/02 Include check_rfc2047_length in configure.default because we're seeing
125 increasing numbers of administrators be bitten by this.
126
a8c8d6b5
JJ
127JJ/01 Added DISABLE_DKIM and comment to src/EDITME
128
77bb000f
PP
129PP/03 Bugzilla 994: added openssl_options main configuration option.
130
a29e5231
PP
131PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
132
ec5a0394 133PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 134
55c75993
PP
135PP/06 Adjust NTLM authentication to handle SASL Initial Response.
136
453a6645 137PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
138 without a peer certificate, leading to a segfault because of an
139 assumption that peers always have certificates. Be a little more
453a6645
PP
140 paranoid. Problem reported by Martin Tscholak.
141
8544e77a
PP
142PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
143 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
144 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
145 CL also introduces -bmalware, various -d+acl logging additions and
146 more caution in buffer sizes.
8544e77a 147
83e029d5
PP
148PP/09 Implemented reverse_ip expansion operator.
149
ed7f7860
PP
150PP/10 Bugzilla 937: provide a "debug" ACL control.
151
7d9f747b
PP
152PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
153
4b2241d2
PP
154PP/12 Bugzilla 973: Implement --version.
155
10385c15
PP
156PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
157
dbc4b90d
PP
158PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
159
532be449
PP
160PP/15 Bugzilla 816: support multiple condition rules on Routers.
161
6a8de854 162PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
163 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
164 ignore trailing whitespace.
6a8de854 165
5dc43717
JJ
166JJ/02 prevent non-panic DKIM error from being sent to paniclog
167
168JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
169 "exim" to be used
55c75993 170
3346ab01
PP
171PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
172 Notification from Dr Andrew Aitchison.
173
491fab4c
PP
174PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
175 ExtendedDetectionInfo response format.
176 Notification from John Horne.
177
13eb9497
PP
178PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
179 compatible.
180
181PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
182 XSL and documented dependency on system catalogs, with examples of how
183 it normally works.
184
7f36d675
DW
185DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
186 access.
187
c1d94452
DW
188DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
189 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
190 configuration file which is writeable by the Exim user or group.
191
e2f5dc15
DW
192DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
193 of configuration files to cover files specified with the -C option if
194 they are going to be used with root privileges, not just the default
195 configuration file.
196
cd25e41d
DW
197DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
198 option (effectively making it always true).
199
261dc43e
DW
200DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
201 files to be used while preserving root privileges.
202
fa32850b
DW
203DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
204 that rogue child processes cannot use them.
205
79d4bc3d
PP
206PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
207 run-time user, instead of root.
208
2cfd3221
PP
209PP/28 Add WHITELIST_D_MACROS option to let some macros be overriden by the
210 Exim run-time user without dropping privileges.
211
fb08281f
DW
212DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
213 result string, instead of calling string_vformat() twice with the same
214 arguments.
3346ab01 215
74935b98
DW
216DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
217 for other users. Others should always drop root privileges if they use
218 -C on the command line, even for a whitelisted configure file.
219
90b6341f
DW
220DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
221
57730b52
ML
222NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
223
66581d1e 224
465e92cf
JJ
225Exim version 4.72
226-----------------
227
453a6645
PP
228JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
229 $data_path, and $header_path variables; fixed documentation bugs and
230 typos
465e92cf 231
453a6645
PP
232JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
233 exipick to access non-standard spools, including the "frozen" queue
234 (Finput)
edae0343 235
9bd3e22c
NM
236NM/01 Bugzilla 965: Support mysql stored procedures.
237 Patch from Alain Williams
238
bb576ff7
NM
239NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
240
5a1a5845
NM
241NM/03 Bugzilla 955: Documentation fix for max_rcpts.
242 Patch from Andreas Metzler
243
981a9fad
NM
244NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
245 Patch from Kirill Miazine
246
7fc497ee
NM
247NM/05 Bugzilla 671: Added umask to procmail example.
248
1a41defa
JJ
249JJ/03 installed exipick 20100323.0, fixing doc bug
250
a466095c 251NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 252 directory. Notification and patch from Dan Rosenberg.
a466095c 253
94a6bd0b
NM
254TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
255
256TK/02 Improve log output when DKIM signing operation fails.
257
258MH/01 Treat the transport option dkim_domain as a colon separated
259 list, not as a single string, and sign the message with each element,
260 omitting multiple occurences of the same signer.
261
c1b141a8
NM
262NM/07 Null terminate DKIM strings, Null initialise DKIM variable
263 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 264
b26eacf1 265NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
266 Patch by Simon Arlott
267
179c5980 268PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 269 MBX locking. Notification from Dan Rosenberg.
179c5980 270
9bd3e22c 271
7c6d71af
NM
272Exim version 4.71
273-----------------
274
7d9f747b 275TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 276
f013fb92
NM
277NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
278
0eb8eedd
NM
279NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
280
663ee6d9
NM
281NM/03 Bugzilla 847: Enable DNSDB lookup by default.
282
177ebd9b
NM
283NM/04 Bugzilla 915: Flag broken perl installation during build.
284
7c6d71af 285
210f147e
NM
286Exim version 4.70
287-----------------
288
cdd3bb85 289TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 290 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
291
292TK/02 Write list of recipients to X-Envelope-Sender header when building
293 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 294 Hirsch).
cdd3bb85
TK
295
296TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
297 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 298 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
299
300TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
301 by Mark Daniel Reidel <mr@df.eu>.
302
210f147e
NM
303NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
304 When building exim an external PCRE library is now needed -
305 PCRE is a system library on the majority of modern systems.
306 See entry on PCRE_LIBS in EDITME file.
307
deafd5b3
NM
308NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
309 conversation. Added nologin parameter to request.
7d9f747b 310 Patch contributed by Kirill Miazine.
deafd5b3 311
089793a4
TF
312TF/01 Do not log submission mode rewrites if they do not change the address.
313
5f16ca82
TF
314TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
315
dae9d94e 316NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 317 log files in place. Contributed by Roberto Lima.
dae9d94e 318
7d9f747b 319NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 320
06864c44
TF
321TF/03 Bugzilla 615: When checking the local_parts router precondition
322 after a local_part_suffix or local_part_prefix option, Exim now
323 does not use the address's named list lookup cache, since this
324 contains cached lookups for the whole local part.
325
65a7d8c3 326NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 327 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 328
23510047 329TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 330
7d9f747b 331NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 332
7d8eec3a 333NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 334 Patch provided by Jan Srzednicki.
6c588e74 335
89dec7b6
TF
336TF/05 Leading white space used to be stripped from $spam_report which
337 wrecked the formatting. Now it is preserved.
5f28a6e8 338
a99de90c
TF
339TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
340 that they are available at delivery time.
341
e2803e40
TF
342TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
343
7199e1ee
TF
344TF/08 TLS error reporting now respects the incoming_interface and
345 incoming_port log selectors.
346
e276e04b
TF
347TF/09 Produce a more useful error message if an SMTP transport's hosts
348 setting expands to an empty string.
349
ce552449 350NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 351 Patch provided by Phil Pennock.
ce552449 352
e765a0f1 353NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 354 Patch provided by Richard Godbee.
e765a0f1 355
4f054c63 356NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 357 acl_smtp_notquit, added index entry.
4f054c63 358
7d9f747b
PP
359NM/09 Bugzilla 787: Potential buffer overflow in string_format.
360 Patch provided by Eugene Bujak.
24c929a2 361
7d9f747b
PP
362NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
363 accept(). Patch provided by Maxim Dounin.
cf73943b 364
b52bc06e 365NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 366 Patch provided by Phil Pennock.
b52bc06e 367
447de4b0
NM
368NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
369
4c69d561 370NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 371 Patch provided by Brad "anomie" Jorsch.
4c69d561 372
d5c39246 373NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 374 Patch provided by Dean Brooks.
9b989985 375
0b23848a
TK
376TK/05 Add native DKIM support (does not depend on external libraries).
377
8f3414a1 378NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 379 Patch provided by Graeme Fowler.
e2aacdfd 380
fb6f955d
NM
381NM/16 Bugzilla 851: Documentation example syntax fix.
382
383NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 384
7d9f747b
PP
385NM/18 Bugzilla 894: Fix issue with very long lines including comments in
386 lsearch.
dbb0bf41 387
7d9f747b
PP
388NM/19 Bugzilla 745: TLS version reporting.
389 Patch provided by Phil Pennock.
f3766eb5 390
7d9f747b
PP
391NM/20 Bugzilla 167: bool: condition support.
392 Patch provided by Phil Pennock.
36f12725 393
7d9f747b
PP
394NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
395 clients. Patch provided by Phil Pennock.
e6060e2c 396
7d9f747b
PP
397NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
398 Patch provided by Brad "anomie" Jorsch.
5eb690a1 399
7d9f747b
PP
400NM/23 Bugzilla 687: Fix misparses in eximstats.
401 Patch provided by Heiko Schlittermann.
d5c13d66 402
7d9f747b
PP
403NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
404 Patch provided by Heiko Schlittermann.
b2335c0b 405
7d9f747b 406NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 407 plus update to original patch.
f4cd9433 408
7d9f747b 409NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 410
7d9f747b
PP
411NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
412 Patch provided by David Brownlee.
8dc71ab3 413
7d9f747b 414NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 415
7d9f747b 416NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 417
7d9f747b 418NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 419
7d9f747b 420NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 421
17792b53 422NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 423 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 424
7d9f747b
PP
425NM/33 Bugzilla 898: Transport filter timeout fix.
426 Patch by Todd Rinaldo.
52383f8f 427
7d9f747b
PP
428NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
429 Patch by Serge Demonchaux.
5ca6d115 430
7d9f747b
PP
431NM/35 Bugzilla 39: Base64 decode bug fixes.
432 Patch by Jakob Hirsch.
baee9eee 433
7d9f747b 434NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 435
7d9f747b 436NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 437
7d9f747b 438NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 439
7d9f747b 440NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 441
deafd5b3 442
47db1125
NM
443Exim version 4.69
444-----------------
445
4b3504d0
TK
446TK/01 Add preliminary DKIM support. Currently requires a forked version of
447 ALT-N's libdkim that I have put here:
448 http://duncanthrax.net/exim-experimental/
449
450 Note to Michael Haardt: I had to rename some vars in sieve.c. They
451 were called 'true' and it seems that C99 defines that as a reserved
452 keyword to be used with 'bool' variable types. That means you could
453 not include C99-style headers which use bools without triggering
454 build errors in sieve.c.
455
81ea09ca
NM
456NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
457 as mailq or other aliases. Changed the --help handling significantly
458 to do whats expected. exim_usage() emits usage/help information.
459
f13cddcb
SC
460SC/01 Added the -bylocaldomain option to eximstats.
461
7d9f747b 462NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 463
7d9f747b 464NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 465
7d9f747b 466NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
467
468
eb4c0de6
PH
469Exim version 4.68
470-----------------
471
472PH/01 Another patch from the Sieve maintainer.
473
6a3bceb1
PH
474PH/02 When an IPv6 address is converted to a string for single-key lookup
475 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
476 dots are used instead of colons so that keys in lsearch files need not
477 contain colons. This was done some time before quoting was made available
478 in lsearch files. However, iplsearch files do require colons in IPv6 keys
479 (notated using the quote facility) so as to distinguish them from IPv4
480 keys. This meant that lookups for IP addresses in host lists did not work
481 for iplsearch lookups.
482
483 This has been fixed by arranging for IPv6 addresses to be expressed with
484 colons if the lookup type is iplsearch. This is not incompatible, because
485 previously such lookups could never work.
486
487 The situation is now rather anomolous, since one *can* have colons in
488 ordinary lsearch keys. However, making the change in all cases is
489 incompatible and would probably break a number of configurations.
490
2e30fa9d
TK
491TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
492 version.
493
0806a9c5
MH
494MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
495 conversion specification without a maximum field width, thereby enabling
496 a rogue spamd server to cause a buffer overflow. While nobody in their
497 right mind would setup Exim to query an untrusted spamd server, an
498 attacker that gains access to a server running spamd could potentially
499 exploit this vulnerability to run arbitrary code as the Exim user.
500
ae276964
TK
501TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
502 $primary_hostname instead of what libspf2 thinks the hosts name is.
503
0f2cbd1b
MH
504MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
505 a directory entry by the name of the lookup key. Previously, if a
506 symlink pointed to a non-existing file or a file in a directory that
507 Exim lacked permissions to read, a lookup for a key matching that
508 symlink would fail. Now it is enough that a matching directory entry
509 exists, symlink or not. (Bugzilla 503.)
510
2b85bce7
PH
511PH/03 The body_linecount and body_zerocount variables are now exported in the
512 local_scan API.
513
93655c46
PH
514PH/04 Added the $dnslist_matched variable.
515
6c512171
PH
516PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
517 This means they are set thereafter only if the connection becomes
518 encrypted.
519
520PH/06 Added the client_condition to authenticators so that some can be skipped
521 by clients under certain conditions.
522
aa6dc513
PH
523PH/07 The error message for a badly-placed control=no_multiline_responses left
524 "_responses" off the end of the name.
525
a96603a0
PH
526PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
527
8f240103
PH
528PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
529 (without spaces) instead of just copying the configuration text.
530
531PH/10 Added the /noupdate option to the ratelimit ACL condition.
532
d677b2f2
PH
533PH/11 Added $max_received_linelength.
534
d52120f2
PH
535PH/12 Added +ignore_defer and +include_defer to host lists.
536
64f2600a
PH
537PH/13 Installed PCRE version 7.2. This needed some changes because of the new
538 way in which PCRE > 7.0 is built.
539
8669f003
PH
540PH/14 Implemented queue_only_load_latch.
541
a4dc33a8
PH
542PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
543 MAIL command. The effect was to mangle the value on 64-bit systems.
544
d6a60c0f
PH
545PH/16 Another patch from the Sieve maintainer.
546
8f128379
PH
547PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
548
8932dffe
PH
549PH/18 If a system quota error occurred while trying to create the file for
550 a maildir delivery, the message "Mailbox is full" was not appended to the
551 bounce if the delivery eventually timed out. Change 4.67/27 below applied
552 only to a quota excession during the actual writing of the file.
d6a60c0f 553
ddea74fa 554PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
555 characters?) which causes problems in log lines. The DN values are now
556 passed through string_printing() before being added to log lines.
557
ddea74fa 558PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
559 and InterBase are left for another time.)
560
ddea74fa
PH
561PH/21 Added message_body_newlines option.
562
ce9f225c
PH
563PH/22 Guard against possible overflow in moan_check_errorcopy().
564
19897d52
PH
565PH/23 POSIX allows open() to be a macro; guard against that.
566
bc64a74d
PH
567PH/24 If the recipient of an error message contained an @ in the local part
568 (suitably quoted, of course), incorrect values were put in $domain and
569 $local_part during the evaluation of errors_copy.
570
eb4c0de6 571
b4ed4da0
PH
572Exim version 4.67
573-----------------
574
22ad45c9
MH
575MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
576 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
577 Jan Srzednicki.
578
b4ed4da0
PH
579PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
580 issue a MAIL command.
581
431b7361
PH
582PH/02 In an ACL statement such as
583
584 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
585
586 if a client was not listed at all, or was listed with a value other than
587 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
588 the condition was not true (as it should be), so access was not denied.
589 The bug was that the ! inversion was incorrectly passed on to the second
590 item. This has been fixed.
591
592PH/03 Added additional dnslists conditions == and =& which are different from
593 = and & when the dns lookup returns more than one IP address.
594
83da1223
PH
595PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
596 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
597
54fc8428
PH
598PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
599 FSYNC, which compiles an option called disable_fsync that allows for
600 bypassing fsync(). The documentation is heavily laced with warnings.
601
34c5e8dd
SC
602SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
603
bbe15da8
PH
604PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
605 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
606 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
607 including adding "make clean"; (3) Added -fPIC when compiling the test
608 dynamically loaded module, to get rid of a warning.
609
0e8a9471
MH
610MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
611 message fails, move_frozen_messages = true and ignore_bounce_errors_after
612 = 0s. The bug is otherwise harmless.
613
f0872424
PH
614PH/07 There was a bug in the dovecot authenticator such that the value of
615 $auth1 could be overwritten, and so not correctly preserved, after a
616 successful authentication. This usually meant that the value preserved by
617 the server_setid option was incorrect.
618
b01dd148
PH
619PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
620
6bf342e1
PH
621PH/09 Installed PCRE release 7.0.
622
273f34d0
PH
623PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
624 run for batched SMTP input. It is now run at the start of every message
625 in the batch. While fixing this I discovered that the process information
626 (output by running exiwhat) was not always getting set for -bs and -bS
627 input. This is fixed, and it now also says "batched" for BSMTP.
628
cf8b11a5
PH
629PH/11 Added control=no_pipelining.
630
41c7c167
PH
631PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
632 patch, slightly modified), and move the expansion of helo_data till after
633 the connection is made in the smtp transport (so it can use these
634 values).
635
9c57cbc0
PH
636PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
637
f3f065bb
PH
638PH/14 Added log_selector = +pid.
639
047bdd8c
PH
640PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
641
0ce9abe6
PH
642PH/16 Add ${if forany and ${if forall.
643
0e22dfd1
PH
644PH/17 Added dsn_from option to vary the From: line in DSNs.
645
4c590bd1
PH
646PH/18 Flush SMTP output before performing a callout, unless control =
647 no_callout_flush is set.
648
09945f1e
PH
649PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
650 was true (the default) a successful delivery failed to delete the retry
651 item, thus causing premature timeout of the address. The bug is now
652 fixed.
653
c51b8e75
PH
654PH/20 Added hosts_avoid_pipelining to the smtp transport.
655
e28326d8
PH
656PH/21 Long custom messages for fakedefer and fakereject are now split up
657 into multiline reponses in the same way that messages for "deny" and
658 other ACL rejections are.
659
75b1493f
PH
660PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
661 with slight modification.
662
7c5214ec
PH
663PH/23 Applied sieve patches from the maintainer "tracking the latest notify
664 draft, changing the syntax and factoring some duplicate code".
665
4311097e
PH
666PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
667 for deliveries of the second and subsequent messages over the same SMTP
668 connection.
669
29f89cad
PH
670PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
671 ${reduce, with only minor "tidies".
672
5e687460
SC
673SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
674
c3611384
PH
675PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
676 expansion side effects.
677
5a11a7b4
PH
678PH/27 When a message times out after an over-quota error from an Exim-imposed
679 quota, the bounce message says "mailbox is full". This message was not
680 being given when it was a system quota that was exceeded. It now should
681 be the same.
682
0e20aff9
MH
683MH/03 Made $recipients available in local_scan(). local_scan() already has
684 better access to the recipient list through recipients_list[], but
685 $recipients can be useful in postmaster-provided expansion strings.
686
ca86f471
PH
687PH/28 The $smtp_command and $smtp_command_argument variables were not correct
688 in the case of a MAIL command with additional options following the
689 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
690 were accidentally chopped off.
691
a14e5636
PH
692PH/29 SMTP synchronization checks are implemented when a command is read -
693 there is a check that no more input is waiting when there shouldn't be
694 any. However, for some commands, a delay in an ACL can mean that it is
695 some time before the response is written. In this time, more input might
696 arrive, invalidly. So now there are extra checks after an ACL has run for
697 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
698 pipelining has not been advertised.
699
ec95d1a6
PH
700PH/30 MH's patch to allow iscntrl() characters to be list separators.
701
42855d71
PH
702PH/31 Unlike :fail:, a custom message specified with :defer: was not being
703 returned in the SMTP response when smtp_return_error_details was false.
704 This has been fixed.
705
57c2c631
PH
706PH/32 Change the Dovecot authenticator to use read() and write() on the socket
707 instead of the C I/O that was originally supplied, because problems were
708 reported on Solaris.
709
58c01c94
PH
710PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
711 Exim which did not show up earlier: it was assuming that a call to
712 SSL_CTX_set_info_callback() might give an error value. In fact, there is
713 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
714 was a macro that became an assignment, so it seemed to work. This has
715 changed to a proper function call with a void return, hence the compile
716 error. Exim's code has been fixed.
717
dee5a20a
PH
718PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
719 cpus.
720
d2ee6114
PH
721PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
722
b2d5182b
PH
723PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
724
79749a79
PH
725PH/37 If a message is not accepted after it has had an id assigned (e.g.
726 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
727 "Completed" line in the log. When some messages of this type were
728 selected by exigrep, they were listed as "not completed". Others were
729 picked up by some special patterns. I have improved the selection
730 criteria to be more general.
79749a79 731
c456d9bb
PH
732PH/38 The host_find_failed option in the manualroute router can now be set
733 to "ignore", to completely ignore a host whose IP address cannot be
734 found. If all hosts are ignored, the behaviour is controlled by the new
735 host_all_ignored option.
736
cd9868ec
PH
737PH/39 In a list of hosts for manualroute, if one item (either because of multi-
738 homing or because of multiple MX records with /mx) generated more than
739 one IP address, and the following item turned out to be the local host,
740 all the secondary addresses of the first item were incorrectly removed
741 from the list, along with the local host and any following hosts (which
742 is what is supposed to happen).
743
ebeaf996
PH
744PH/40 When Exim receives a message, it writes the login name, uid, and gid of
745 whoever called Exim into the -H file. In the case of the daemon it was
746 behaving confusingly. When first started, it used values for whoever
747 started the daemon, but after a SIGHUP it used the Exim user (because it
748 calls itself on a restart). I have changed the code so that it now always
749 uses the Exim user.
750
2679d413
PH
751PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
752 message are rejected with the same error (e.g. no authentication or bad
753 sender address), and a DATA command is nevertheless sent (as can happen
754 with PIPELINING or a stupid MUA), the error message that was given to the
755 RCPT commands is included in the rejection of the DATA command. This is
756 intended to be helpful for MUAs that show only the final error to their
757 users.
758
84024b72
PH
759PH/42 Another patch from the Sieve maintainer.
760
8005d38e
SC
761SC/02 Eximstats - Differentiate between permanent and temporary rejects.
762 Eximstats - Fixed some broken HTML links and added missing column headers
763 (Jez Hancock).
764 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
765 columns for Rejects, Temp Rejects, Ham, and Spam rows.
766
3298c6c6
SC
767SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
768
a43a27c5
PH
769PH/43 Yet another patch from the Sieve maintainer.
770
58eb016e 771PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
772 the response to the final '.' that terminates a message, but only in the
773 case where the client has not sent further data following the '.'
774 (unfortunately, this is allowed). However, in many cases there won't be
775 any further data because there won't be any more messages to send. A call
776 to select() can be used: if it shows that the input is "ready", there is
777 either input waiting, or the socket has been closed. An attempt to read
778 the next input character can distinguish the two cases. Previously, Exim
58eb016e 779 would have sent an OK response which the client would never have see.
563b63fa
PH
780 This could lead to message repetition. This fix should cure that, at
781 least in a lot of common cases.
58eb016e 782
b43a74ea
PH
783PH/45 Do not advertise STARTTLS in response to HELP unless it would be
784 advertised in response to EHLO.
785
b4ed4da0 786
5dd1517f
PH
787Exim version 4.66
788-----------------
789
790PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
791 fixed by 4.65/MH/01 (is this a record?) are fixed:
792
793 (i) An empty string was always treated as zero by the numeric comparison
794 operators. This behaviour has been restored.
795
796 (ii) It is documented that the numeric comparison operators always treat
797 their arguments as decimal numbers. This was broken in that numbers
798 starting with 0 were being interpreted as octal.
799
800 While fixing these problems I realized that there was another issue that
801 hadn't been noticed. Values of message_size_limit (both the global option
802 and the transport option) were treated as octal if they started with 0.
803 The documentation was vague. These values are now always treated as
804 decimal, and I will make that clear in the documentation.
805
806
93cfa765
TK
807Exim version 4.65
808-----------------
809
810TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
811 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
812 versions. (#438)
813
d6066548
MH
814MH/01 Don't check that the operands of numeric comparison operators are
815 integers when their expansion is in "skipping" mode (fixes bug
816 introduced by 4.64-PH/07).
817
4362ff0d
PH
818PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
819 child addresses, Exim now panics and dies. Previously, because the count
820 is held in a short int, deliveries were likely to be lost. As such a
821 large number of recipients for a single message is ridiculous
822 (performance will be very, very poor), I have chosen to impose a limit
823 rather than extend the field.
824
93cfa765 825
944e9e9c
TF
826Exim version 4.64
827-----------------
aa41d2de 828
21d74bd9
TK
829TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
830 leftover -K file (the existence of which was triggered by #402).
831 While we were at it, introduced process PID as part of the -K
832 filename. This should rule out race conditions when creating
833 these files.
834
835TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
836 processing considerably. Previous code took too long for large mails,
837 triggering a timeout which in turn triggers #401.
838
839TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
840 in the DK code in transports.c. sendfile() is not really portable,
841 hence the _LINUX specificness.
944e9e9c
TF
842
843TF/01 In the add_headers option to the mail command in an Exim filter,
844 there was a bug that Exim would claim a syntax error in any
845 header after the first one which had an odd number of characters
846 in the field name.
847
2b1c6e3a
PH
848PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
849 callout verification, Exim cached a "reject" for the entire domain. This
850 is correct for most verifications, but it is not correct for a recipient
851 verification with use_sender or use_postmaster set, because in that case
852 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
853 case of MAIL FROM:<> rejection from other early rejections (e.g.
854 rejection of HELO). When verifying a recipient using a non-null MAIL
855 address, the cache is ignored if it shows MAIL FROM:<> rejection.
856 Whatever the result of the callout, the value of the domain cache is
857 left unchanged (for any other kind of callout, getting as far as trying
858 RCPT means that the domain itself is ok).
859
1f872c80
PH
860PH/02 Tidied a number of unused variable and signed/unsigned warnings that
861 gcc 4.1.1 threw up.
862
863PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
864 manifest itself as EPIPE rather than ECONNECT. When tidying away a
865 session, the daemon ignores ECONNECT errors and logs others; it now
866 ignores EPIPE as well.
867
d203e649
PH
868PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
869 (quoted-printable decoding).
870
cc2ed8f7 871PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 872 later the small subsequent patch to fix an introduced bug.
f951fd57 873
ddfcd446
PH
874PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
875
d45b1de8
PH
876PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
877
878PH/08 An error is now given if message_size_limit is specified negative.
879
38a0a95f 880PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 881 to be given (somewhat) arbitrary names.
38a0a95f 882
a2405d83
JJ
883JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
884 in 4.64-PH/09.
885
886JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
887 miscellaneous code fixes
888
6ea85e9a
PH
889PH/10 Added the log_reject_target ACL modifier to specify where to log
890 rejections.
891
26da7e20
PH
892PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
893 hostname. This is wrong, because it relates to the incoming message (and
894 probably the interface on which it is arriving) and not to the outgoing
895 callout (which could be using a different interface). This has been
896 changed to use the value of the helo_data option from the smtp transport
897 instead - this is what is used when a message is actually being sent. If
898 there is no remote transport (possible with a router that sets up host
899 addresses), $smtp_active_hostname is used.
6ea85e9a 900
14aa5a05 901PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 902 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
903 (a) The code assumed that strncpy() returns a negative number on buffer
904 overflow, which isn't the case. Replaced with Exim's string_format()
905 function.
906 (b) There were several signed/unsigned issues. I just did the minimum
907 hacking in of casts. There is scope for a larger refactoring.
908 (c) The code used strcasecmp() which is not a standard C function.
909 Replaced with Exim's strcmpic() function.
910 (d) The code set only $1; it now sets $auth1 as well.
911 (e) A simple test gave the error "authentication client didn't specify
912 service in request". It would seem that Dovecot has changed its
913 interface. Fortunately there's a specification; I followed it and
914 changed what the client sends and it appears to be working now.
915
ff75a1f7
PH
916PH/13 Added $message_headers_raw to provide the headers without RFC 2047
917 decoding.
918
e6f6568e
PH
919PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
920 address A is aliased to B and C, where B exists and C does not. Without
921 -v the output is "A verified" because verification stops after a
922 successful redirection if more than one address is generated. However,
923 with -v the child addresses are also verified. Exim was outputting "A
924 failed to verify" and then showing the successful verification for C,
925 with its parentage. It now outputs "B failed to verify", showing B's
926 parentage before showing the successful verification of C.
927
d6f6e0dc
PH
928PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
929 look up a TXT record in a specific list after matching in a combined
930 list.
931
322050c2
PH
932PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
933 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
934 they consult the DNS. I had assumed they would set it the way they
935 wanted; and indeed my experiments on Linux seem to show that in some
936 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
937 To be on the safe side, however, I have now made the interface to
938 host_find_byname() similar to host_find_bydns(), with an argument
939 containing the DNS resolver options. The host_find_byname() function now
940 sets these options at its start, just as host_find_bydns() does. The smtp
941 transport options dns_qualify_single and dns_search_parents are passed to
942 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
943 of host_find_byname() use the default settings of RES_DEFNAMES
944 (qualify_single) but not RES_DNSRCH (search_parents).
945
08955dd3
PH
946PH/17 Applied (a modified version of) Nico Erfurth's patch to make
947 spool_read_header() do less string testing, by means of a preliminary
948 switch on the second character of optional "-foo" lines. (This is
949 overdue, caused by the large number of possibilities that now exist.
950 Originally there were few.) While I was there, I also converted the
951 str(n)cmp tests so they don't re-test the leading "-" and the first
952 character, in the hope this might squeeze out yet more improvement.
953
1eccaa59
PH
954PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
955 flag allowing group syntax was set by the header_syntax check but not
956 turned off, possible causing trouble later; (2) The flag was not being
957 set at all for the header_verify test, causing "group"-style headers to
958 be rejected. I have now set it in this case, and also caused header_
959 verify to ignore an empty address taken from a group. While doing this, I
960 came across some other cases where the code for allowing group syntax
961 while scanning a header line wasn't quite right (mostly, not resetting
962 the flag correctly in the right place). These bugs could have caused
963 trouble for malformed header lines. I hope it is now all correct.
964
602e59e5
PH
965PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
966 with the "reply" argument non-NULL. The code, however (which originally
967 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
968 but it didn't always do it. This confused somebody who was copying the
969 code for some other use. I have removed all the tests.
970
411ef850
PH
971PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
972 feature that was used to support insecure browsers during the U.S. crypto
973 embargo. It requires special client support, and Exim is probably the
974 only MTA that supported it -- and would never use it because real RSA is
975 always available. This code has been removed, because it had the bad
976 effect of slowing Exim down by computing (never used) parameters for the
977 RSA_EXPORT functionality.
978
7befa435
PH
979PH/21 On the advice of Timo Sirainen, added a check to the dovecot
980 authenticator to fail if there's a tab character in the incoming data
981 (there should never be unless someone is messing about, as it's supposed
982 to be base64-encoded). Also added, on Timo's advice, the "secured" option
983 if the connection is using TLS or if the remote IP is the same as the
984 local IP, and the "valid-client-cert option" if a client certificate has
985 been verified.
986
48da4259 987PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
988 authenticators. This can be used for authorization after authentication
989 succeeds. (In the case of plaintext, it servers for both authentication
990 and authorization.)
991
48da4259
PH
992PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
993 if any retry times were supplied.
994
d1d5595c
PH
995PH/24 Exim crashed if verify=helo was activated during an incoming -bs
996 connection, where there is no client IP address to check. In this
997 situation, the verify now always succeeds.
998
0ef732d9
PH
999PH/25 Applied John Jetmore's -Mset patch.
1000
328895cc
PH
1001PH/26 Added -bem to be like -Mset, but loading a message from a file.
1002
fd700877
PH
1003PH/27 In a string expansion for a processed (not raw) header when multiple
1004 headers of the same name were present, leading whitespace was being
1005 removed from all of them, but trailing whitespace was being removed only
1006 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
1007 before concatenation. Completely empty headers in a concatenation (as
1008 before) are ignored.
fd700877 1009
8dce1a6f
PH
1010PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
1011 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
1012
17af4a17
PH
1013PH/29 [Removed. This was a change that I later backed out, and forgot to
1014 correct the ChangeLog entry (that I had efficiently created) before
1015 committing the later change.]
f6c332bd
PH
1016
1017PH/30 Exim was sometimes attempting to deliver messages that had suffered
1018 address errors (4xx response to RCPT) over the same connection as other
1019 messages routed to the same hosts. Such deliveries are always "forced",
1020 so retry times are not inspected. This resulted in far too many retries
1021 for the affected addresses. The effect occurred only when there were more
1022 hosts than the hosts_max_try setting in the smtp transport when it had
1023 the 4xx errors. Those hosts that it had tried were not added to the list
1024 of hosts for which the message was waiting, so if all were tried, there
1025 was no problem. Two fixes have been applied:
1026
1027 (i) If there are any address or message errors in an SMTP delivery, none
1028 of the hosts (tried or untried) are now added to the list of hosts
1029 for which the message is waiting, so the message should not be a
1030 candidate for sending over the same connection that was used for a
1031 successful delivery of some other message. This seems entirely
1032 reasonable: after all the message is NOT "waiting for some host".
1033 This is so "obvious" that I'm not sure why it wasn't done
1034 previously. Hope I haven't missed anything, but it can't do any
1035 harm, as the worst effect is to miss an optimization.
1036
1037 (ii) If, despite (i), such a delivery is accidentally attempted, the
1038 routing retry time is respected, so at least it doesn't keep
1039 hammering the server.
1040
c1114884
PH
1041PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
1042 in ${readsocket because some servers need this prod.
1043
7a0743eb
PH
1044PH/32 Added some extra debug output when updating a wait-xxx database.
1045
0d85fa3f
PH
1046PH/33 The hint "could be header name not terminated by colon", which has been
1047 given for certain expansion errors for a long time, was not being given
1048 for the ${if def:h_colon_omitted{... case.
1049
1bf43b78
PH
1050PH/34 The spec says: "With one important exception, whenever a domain list is
1051 being scanned, $domain contains the subject domain." There was at least
1052 one case where this was not true.
1053
520de300
PH
1054PH/35 The error "getsockname() failed: connection reset by peer" was being
1055 written to the panic log as well as the main log, but it isn't really
1056 panic-worthy as it just means the connection died rather early on. I have
1057 removed the panic log writing for the ECONNRESET error when getsockname()
1058 fails.
1059
48c7f9e2
PH
1060PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
1061 runs only) independently of the message's sender address. This meant
1062 that, if the 4xx error was in fact related to the sender, a different
1063 message to the same recipient with a different sender could confuse
1064 things. In particualar, this can happen when sending to a greylisting
1065 server, but other circumstances could also provoke similar problems.
1066 I have changed the default so that the retry time for these errors is now
1067 based a combination of the sender and recipient addresses. This change
1068 can be overridden by setting address_retry_include_sender=false in the
1069 smtp transport.
1070
99ea1c86
PH
1071PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
1072 remote server are returned as part of bounce messages. This was not
1073 happening for LMTP over a pipe (the lmtp transport), but now it is the
1074 same for both kinds of LMTP.
1075
a2042e78
PH
1076PH/38 Despite being documented as not happening, Exim was rewriting addresses
1077 in header lines that were in fact CNAMEs. This is no longer the case.
1078
4fbcfc2e
PH
1079PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
1080 and queue runs started by the daemon processed all messages. This has
1081 been fixed so that -R and -S can now usefully be given with -q<time>.
1082
aa41d2de
PH
1083PH/40 Import PCRE release 6.7 (fixes some bugs).
1084
af561417
PH
1085PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
1086
3cc66b45
PH
1087PH/42 Give an error if -q is specified more than once.
1088
194cc0e4
PH
1089PH/43 Renamed the variables $interface_address and $interface_port as
1090 $received_ip_address and $received_port, to make it clear that these
1091 values apply to message reception, and not to the outgoing interface when
1092 a message is delivered. (The old names remain recognized, of course.)
1093
a401ddaa
PH
1094PH/44 There was no timeout on the connect() call when using a Unix domain
1095 socket in the ${readsocket expansion. There now is.
1096
4e88a19f
PH
1097PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
1098 be meaningful with "accept".
1099
d7d7b289
SC
1100SC/01 Eximstats V1.43
1101 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
1102
1103SC/02 Eximstats V1.44
1104 Use a glob alias rather than an array ref in the generated
1105 parser. This improves both readability and performance.
1106
1107SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
1108 Collect SpamAssassin and rejection statistics.
1109 Don't display local sender or destination tables unless
1110 there is data to show.
1111 Added average volumes into the top table text output.
1112
1113SC/04 Eximstats V1.46
1114 Collect data on the number of addresses (recipients)
1115 as well as the number of messages.
1116
1117SC/05 Eximstats V1.47
1118 Added 'Message too big' to the list of mail rejection
1119 reasons (thanks to Marco Gaiarin).
1120
1121SC/06 Eximstats V1.48
1122 Mainlog lines which have GMT offsets and are too short to
1123 have a flag are now skipped.
1124
1125SC/07 Eximstats V1.49 (Alain Williams)
1126 Added the -emptyok flag.
1127
1128SC/08 Eximstats V1.50
1129 Fixes for obtaining the IP address from reject messages.
1130
0ea2a468
JJ
1131JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
1132 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
1133 whitesspace changes from 4.64-PH/27
1134
1135JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
1136 match 4.64-PH/13
1137
1138JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
1139 are found, allow negative numbers in numeric criteria)
1140
1141JJ/06 exipick.20061117.2, added new $message_body_missing variable
1142
1143JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
1144 to match changes made in 4.64-PH/43
1145
8a10f5a4
PH
1146PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
1147
30e18802
PH
1148PH/47 Put in an explicit test for a DNS lookup of an address record where the
1149 "domain" is actually an IP address, and force a failure. This locks out
1150 those revolvers/nameservers that support "A-for-A" lookups, in
1151 contravention of the specifications.
1152
55728a4f
PH
1153PH/48 When a host name was looked up from an IP address, and the subsequent
1154 forward lookup of the name timed out, the host name was left in
1155 $sender_host_name, contrary to the specification.
d7d7b289 1156
d7837193
PH
1157PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1158 restricted to single-key lookups, Exim was not diagnosing an error if
1159 * or *@ was used with a query-style lookup.
1160
87054a31
PH
1161PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1162
ea2c01d2
MH
1163MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1164 long ago, but noone interested enough thought of it. Let's just say that
1165 the "1.1" means that there are some new functions that weren't there at
1166 some point in the past.
1167
e4fa6968
PH
1168PH/51 Error processing for expansion failure of helo_data from an smtp
1169 transport during callout processing was broken.
1170
56f5d9bd
PH
1171PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1172 tested/used via the -bh/-bhc/-bs options.
1173
922e1c28
PH
1174PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1175 bug, fixed in subsequent PCRE releases).
1176
21eb6e72
PH
1177PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1178 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1179
a0540757
PH
1180PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1181
944e9e9c 1182
478be7b0
SC
1183Exim version 4.63
1184-----------------
1185
1186SC/01 Use a glob alias rather than an array ref in eximstats generated
1187 parser. This improves both readability and performance.
1188
1189SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1190 Don't display local sender or destination tables in eximstats unless
1191 there is data to show.
1192 Added average volumes into the eximstats top table text output.
1193
1194SC/03 Collect data on the number of addresses (recipients) as well
1195 as the number of messages in eximstats.
1196
2b965a65
TF
1197TF/01 Correct an error in the documentation for the redirect router. Exim
1198 does (usually) call initgroups() when daemonizing.
478be7b0 1199
45b91596
PH
1200TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1201 with consistent privilege compared to when running as a daemon.
478be7b0 1202
c59f5781
TF
1203TF/03 Note in the spec that $authenticated_id is not set for local
1204 submissions from trusted users.
1205
90fc3069
TF
1206TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1207 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1208
6083aca0
TF
1209TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1210 by adding some example configuration directives to the default
1211 configuration file. A little bit of work is required to uncomment the
1212 directives and define how usernames and passwords are checked, but
1213 there is now a framework to start from.
1214
765b530f
PH
1215PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1216 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1217 without this. I don't know how relevant this is to other LDAP libraries.
1218
4e167a8c
PH
1219PH/02 Add the verb name to the "unknown ACL verb" error.
1220
4608d683
PH
1221PH/03 Magnus Holmgren's patch for filter_prepend_home.
1222
b8dc3e4a
PH
1223PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1224
5418e93b
PH
1225PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1226 directory not expanded when it should be if an expanded home directory
1227 was set for the address (which is overridden by the transport).
1228
b4a9bda2
PH
1229PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1230 libradius.
1231
45b91596
PH
1232PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1233 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1234 because it is too late at that time, and has no effect.
1235
5547e2c5
PH
1236PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1237 security issue with \' (bugzilla #107). I could not use the
1238 PQescapeStringConn() function, because it needs a PGconn value as one of
1239 its arguments.
1240
dbcef0ea
PH
1241PH/08 When testing addresses using -bt, indicate those final addresses that
1242 are duplicates that would not cause an additional delivery. At least one
1243 person was confused, thinking that -bt output corresponded to deliveries.
1244 (Suppressing duplicates isn't a good idea as you lose the information
1245 about possibly different redirections that led to the duplicates.)
1246
25257489
PH
1247PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1248 systems where poll() doesn't work, in particular OS X.
1249
c816d124
PH
1250PH/10 Added more information to debugging output for retry time not reached.
1251
a9ccd69a
PH
1252PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1253 operations in malware.c.
1254
75fa1910
PH
1255PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1256 signatures.
1257
a7d7aa58
PH
1258PH/13 If write_rejectlog was set false when logging was sent to syslog with
1259 syslog_duplication set false, log lines that would normally be written
1260 both the the main log and to the reject log were not written to syslog at
1261 all.
1262
42119b09
PH
1263PH/14 In the default configuration, change the use of "message" in ACL warn
1264 statements to "add_header".
1265
41609df5
PH
1266PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1267 not followed by a command (e.g. "seen endif").
1268
a5bd321b
PH
1269PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1270 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1271 latter.
1272
e85a7ad5 1273PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1274 so that it is now:
1275
e85a7ad5
PH
1276 ${if or { \
1277 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1278 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1279 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1280 }{no}{yes}}
1281
e85a7ad5
PH
1282 The Auto-Submitted: and various List- headers are standardised, whereas I
1283 don't think Precedence: ever was.
5dff5817 1284
d8fe1c03
PH
1285PH/18 Refactored debugging code in route_finduser() to show more information,
1286 in particular, the error code if getpwnam() issues one.
1287
16282d2b
PH
1288PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1289 This is apparently needed in addition to the PH/07 change above to avoid
1290 any possible encoding problems.
1291
35d40a98
PH
1292PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1293 but not after initializing Perl.
1294
034d99ab
PH
1295PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1296 output them only if debugging. By default they are written stderr,
1297 apparently, which is not desirable.
1298
6ec97b1b
PH
1299PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1300 queries.
1301
e22ca4ac
JJ
1302JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1303 --not options
1304
1305JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1306
33d73e3b
PH
1307PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1308 authenticated or an ident call has been made. Suppress the default
1309 values for $authenticated_id and $authenticated_sender (but permit -oMai
1310 and -oMas) when testing with -bh.
1311
9ecb03f3
PH
1312PH/24 Re-jigged the order of the tests in the default configuration so that the
1313 tests for valid domains and recipients precede the DNS black list and CSA
1314 tests, on the grounds that those ones are more expensive.
1315
084efe8d
PH
1316PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1317 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1318 This bug exists in every version of Exim that I still have, right back to
1319 0.12.
1320
366fc9f0
PH
1321PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1322 However, an attempt to turn on case-sensitivity in a regex key by
1323 including (?-i) didn't work because the subject string was already
1324 lowercased, and the effects were non-intuitive. It turns out that a
1325 one-line patch can be used to allow (?-i) to work as expected.
1326
c59f5781 1327
c887c79e
TF
1328Exim version 4.62
1329-----------------
1330
1331TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1332 other effects) broke the use of negated acl sub-conditions.
1333
1cce3af8
PH
1334PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1335 patch).
1336
afb3eaaf
PH
1337PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1338 "Deny" causes Exim to reject the incoming connection with a 554 error.
1339 Unfortunately, if there is a major crisis, such as a disk failure,
1340 tcp-wrappers gives "deny", whereas what one would like would be some
1341 kind of temporary error. A kludge has been added to help with this.
1342 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1343 554 error is used if errno is still zero or contains ENOENT (which occurs
1344 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1345 451 error is used.
1346
e173618b
PH
1347PH/03 Add -lutil to the default FreeBSD LIBS setting.
1348
dd16e114
PH
1349PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1350 errors. Otherwise a message that provokes a temporary error (when other
1351 messages do not) can cause a whole host to time out.
1352
f7fd3850
PH
1353PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1354 addresses were routed directly to files or pipes from a redirect router.
1355 File deliveries just didn't batch; pipe deliveries might have suffered
1356 odd errors.
1357
d87df92c
PH
1358PH/06 A failure to get a lock for a hints database would erroneously always say
1359 "Failed to get write lock", even when it was really a read lock.
1360
7e9f683d
PH
1361PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1362 of 0600. This has been changed to use the value of the lockfile_mode
1363 option (which defaults to 0600).
1364
bfad5236
PH
1365PH/08 Applied small patch from the Sieve maintainer.
1366
01c490df
PH
1367PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1368 folder from quota calculations, a direct delivery into this folder messed
1369 up the contents of the maildirsize file. This was because the regex was
1370 used only to exclude .Trash (or whatever) when the size of the mailbox
1371 was calculated. There was no check that a delivery was happening into an
1372 excluded directory. This bug has been fixed by ignoring all quota
1373 processing for deliveries into excluded directories.
1374
d6629cdc
PH
1375PH/10 Added the maildirfolder_create_regex option to appendfile.
1376
1cce3af8 1377
214e2000
PH
1378Exim version 4.61
1379-----------------
1380
1381PH/01 The code for finding all the local interface addresses on a FreeBSD
1382 system running IPv6 was broken. This may well have applied to all BSD
1383 systems, as well as to others that have similar system calls. The broken
1384 code found IPv4 interfaces correctly, but gave incorrect values for the
1385 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1386 that it would not match correctly against @[] and not recognize the IPv6
1387 addresses as local.
1388
f9daeae0
PH
1389PH/02 The ipliteral router was not recognizing addresses of the form user@
1390 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1391
7e66e54d
PH
1392PH/03 Added disable_ipv6.
1393
c8ea1597
PH
1394PH/04 Changed $reply_address to use the raw form of the headers instead of the
1395 decoded form, because it is most often used to construct To: headers
1396 lines in autoreplies, and the decoded form may well be syntactically
1397 invalid. However, $reply_address has leading white space removed, and all
1398 newlines turned into spaces so that the autoreply transport does not
1399 grumble.
1400
911f6fde
PH
1401PH/05 If group was specified without a user on a router, and no group or user
1402 was specified on a transport, the group from the router was ignored.
1403
47ca6d6c
PH
1404PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1405 for visible compile-time settings that can be used to change these
1406 numbers, for those that want even more. Backwards compatibility with old
1407 spool files has been maintained. However, going back to a previous Exim
1408 release will lost any variables that are in spool files.
1409
ed0e9820
PH
1410PH/07 Two small changes when running in the test harness: increase delay when
1411 passing a TCP/IP connection to a new process, in case the original
1412 process has to generate a bounce, and remove special handling of
1413 127.0.0.2 (sic), which is no longer necessary.
1414
eff37e47
PH
1415PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1416 be the same on different OS.
1417
1921d2ea
PH
1418PH/09 Moved a debug statement in filter processing to avoid a race problem when
1419 testing.
1420
b3f69ca8
JJ
1421JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1422 whether --show-vars was specified or not
1423
1424JJ/02 exipick: Added support for new ACL variable spool format introduced
1425 in 4.61-PH/06
1426
424a1c63
PH
1427PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1428 syntactically invalid From: or Reply-to: line, and a filter used this to
1429 generate an autoreply, and therefore failed to obtain an address for the
1430 autoreply, Exim could try to deliver to a non-existent relative file
1431 name, causing unrelated and misleading errors. What now happens is that
1432 it logs this as a hard delivery error, but does not attempt to create a
1433 bounce message.
1434
7a100415
PH
1435PH/11 The exinext utility has a -C option for testing purposes, but although
1436 the given file was scanned by exinext itself; it wasn't being passed on
1437 when Exim was called.
1438
19b9dc85
PH
1439PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1440 an end-of-file indication when reading a command response.
1441
309bd837
PH
1442PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1443 compiled. In many other places in Exim, IPv6 addresses are always
1444 recognized, so I have changed this. It also means that IPv4 domain
1445 literals of the form [IPV4:n.n.n.n] are now always recognized.
1446
59e82a2a
PH
1447PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1448 used if the router is not running as root, for example, when verifying at
1449 ACL time, or when using -bh. The debugging output from this situation was
1450 non-existent - all you got was a failure to exec. I have made two
1451 changes:
1452
1453 (a) Failures to set uid/gid, the current directory, or a process leader
1454 in a subprocess such as that created by queryprogram now generate
1455 suitable debugging ouput when -d is set.
1456
1457 (b) The queryprogram router detects when it is not running as root,
1458 outputs suitable debugging information if -d is set, and then runs
1459 the subprocess without attempting to change uid/gid.
1460
9edc04ce
PH
1461PH/15 Minor change to Makefile for building test_host (undocumented testing
1462 feature).
1463
1349e1e5
PH
1464PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1465 additional section of a DNS packet that returns MX or SRV records.
1466 Instead, it always explicitly searches for A/AAAA records. This avoids
1467 major problems that occur when a DNS server includes only records of one
1468 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1469 fixed another bug: if SRV records were looked up and the corresponding
1470 address records were *not* found in the additional section, the port
1471 values from the SRV records were lost.
1472
ea49d0e1
PH
1473PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1474 using the correct key (the original address) when searching the retry
1475 rules in order to find which one to use for generating the retry hint.
1476
064a94c9
PH
1477PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1478 adding the default one. Similarly, if it contains a Reply-To: header, the
1479 errors_reply_to option, if set, is not used.
1480
727071f8
PH
1481PH/19 When calculating a retry time, Exim used to measure the "time since
1482 failure" by looking at the "first failed" field in the retry record. Now
1483 it does not use this if it is later than than the arrival time of the
1484 message. Instead it uses the arrival time. This makes for better
1485 behaviour in cases where some deliveries succeed, thus re-setting the
1486 "first failed" field. An example is a quota failure for a huge message
1487 when small messages continue to be delivered. Without this change, the
1488 "time since failure" will always be short, possible causing more frequent
1489 delivery attempts for the huge message than are intended.
dd16e114 1490 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1491
f78eb7c6
PH
1492PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1493 $1, $2, $3) because the numerical variables can be reset during some
1494 expansion items (e.g. "match"), thereby losing the authentication data.
1495
21c28500
PH
1496PH/21 Make -bV show the size of off_t variables so that the test suite can
1497 decide whether to run tests for quotas > 2G.
1498
1499PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1500 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1501 filecount value is greater than 2G or if a quota value is greater than 2G
1502 on a system where the size of off_t is not greater than 4, a panic error
1503 is given.
1504
1688f43b
PH
1505PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1506 never match. The debug and -bh output now contains an explicit error
1507 message indicating a malformed IPv4 address or mask.
1508
1509PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1510 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1511 PH/23 above applies.
1512
9675b384
PH
1513PH/25 Do not write to syslog when running in the test harness. The only
1514 occasion when this arises is a failure to open the main or panic logs
1515 (for which there is an explicit test).
1516
6a3f1455
PH
1517PH/26 Added the /no_tell option to "control=freeze".
1518
dac79d3e
PH
1519PH/27 If a host name lookup failed very early in a connection, for example, if
1520 the IP address matched host_lookup and the reverse lookup yielded a name
1521 that did not have a forward lookup, an error message of the form "no IP
1522 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1523 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1524
5977a0b3
PH
1525PH/28 An enabling patch from MH: add new function child_open_exim2() which
1526 allows the sender and the authenticated sender to be set when
1527 submitting a message from within Exim. Since child_open_exim() is
1528 documented for local_scan(), the new function should be too.
1529
c91535f3
PH
1530PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1531 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1532 results in an empty string is now treated as unset.
1533
0d46a8c8
PH
1534PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1535
278c6e6c
PH
1536PH/31 Added sender_verify_fail logging option.
1537
2cbb4081
PH
1538PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1539 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1540 tidied the source and removed it altogether.
1541
3eef829e
PH
1542PH/33 When a queue run was abandoned because the load average was too high, a
1543 log line was always written; now it is written only if the queue_run log
1544 selector is set. In addition, the log line for abandonment now contains
1545 information about the queue run such as the pid. This is always present
1546 in "start" and "stop" lines but was omitted from the "abandon" line.
1547
1ab95fa6
PH
1548PH/34 Omit spaces between a header name and the colon in the error message that
1549 is given when verify = headers_syntax fails (if there are lots of them,
1550 the message gets confusing).
1551
230205fc
PH
1552PH/35 Change the default for dns_check_names_pattern to allow slashes within
1553 names, as there are now some PTR records that contain slashes. This check
1554 is only to protect against broken name servers that fall over on strange
1555 characters, so the fact that it applies to all lookups doesn't matter.
1556
75e0e026
PH
1557PH/36 Now that the new test suite is complete, we can remove some of the
1558 special code in Exim that was needed for the old test suite. For example,
1559 sorting DNS records because real resolvers return them in an arbitrary
1560 order. The new test suite's fake resolver always returns records in the
1561 same order.
1562
1563PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1564 bounces) except when queue_only is set, to avoid logging races between
1565 the different processes.
1566
145396a6
PH
1567PH/38 Panic-die if .include specifies a non-absolute path.
1568
3cd34f13
PH
1569PH/39 A tweak to the "H" retry rule from its user.
1570
11121d3d
JJ
1571JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1572 a label. They prevented compilation on older perls.
1573
1574JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1575 a warning to be raised on newish perls.
1576
1577JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1578 on queue. Changes to match documented behaviour of showing count of
1579 messages matching specified criteria.
1580
8def5aaf
PH
1581PH/40 Changed the default ident timeout from 30s to 5s.
1582
929ba01c
PH
1583PH/41 Added support for the use of login_cap features, on those BSD systems
1584 that have them, for controlling the resources used by pipe deliveries.
1585
2632889e
PH
1586PH/42 The content-scanning code uses fopen() to create files in which to put
1587 message data. Previously it was not paying any attention to the mode of
1588 the files. Exim runs with umask(0) because the rest of the code creates
1589 files with open(), and sets the required mode explicitly. Thus, these
1590 files were ending up world-writeable. This was not a big issue, because,
1591 being within the spool directory, they were not world-accessible. I have
1592 created a function called modefopen, which takes an additional mode
1593 argument. It sets umask(777), creates the file, chmods it to the required
1594 mode, then resets the umask. All the relevant calls to fopen() in the
1595 content scanning code have been changed to use this function.
1596
944a9c55
PH
1597PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1598 to 24 hours. This avoids potential overflow problems when processing G
1599 and H retry rules. I suspect nobody ever tinkers with this value.
1600
4a23603b
PH
1601PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1602
4730f942
PH
1603PH/45 When the plaintext authenticator is running as a client, the server's
1604 challenges are checked to ensure they are valid base64 strings. By
1605 default, the authentication attempt is cancelled if an invalid string is
1606 received. Setting client_ignore_invalid_base64 true ignores these errors.
1607 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1608 they are received. Thus, the responses can be made to depend on the
1609 challenges. If an invalid string is ignored, an empty string is placed in
1610 the variable.
1611
30dba1e6
PH
1612PH/46 Messages that are created by the autoreply transport now contains a
1613 References: header, in accordance with RFCs 2822 and 3834.
1614
382afc6b
PH
1615PH/47 Added authenticated_sender_force to the smtp transport.
1616
a86229cf
PH
1617PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1618
50c99ba6
PH
1619PH/49 Installed latest patch from the Sieve maintainer.
1620
d35e429d
PH
1621PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1622 was also set, the appendfile transport was unnecessarily scanning a
1623 directory of message files (e.g. for maildir delivery) to find the count
1624 of files (along with the size), even though it did not need this
1625 information. It now does the scan only if it needs to find either the
1626 size of the count of files.
1627
f90d018c
PH
1628PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1629
75def545
PH
1630PH/52 Two bugs concerned with error handling when the smtp transport is
1631 used in LMTP mode:
1632
1633 (i) Exim was not creating retry information for temporary errors given
1634 for individual recipients after the DATA command when the smtp transport
1635 was used in LMTP mode. This meant that they could be retried too
1636 frequently, and not timed out correctly.
1637
1638 (ii) Exim was setting the flag that allows error details to be returned
1639 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1640 recipients that were returned after the DATA command.
1641
1642PH/53 This is related to PH/52, but is more general: for any failing address,
1643 when detailed error information was permitted to be returned to the
1644 sender, but the error was temporary, then after the final timeout, only
1645 "retry timeout exceeded" was returned. Now it returns the full error as
1646 well as "retry timeout exceeded".
1647
c46782ef
PH
1648PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1649 do this, and (what is worse) MTAs that accept it.
1650
71fafd95
PH
1651PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1652 will now be deprecated.
1653
2c5db4fd
PH
1654PH/56 New os.c-cygwin from the Cygwin maintainer.
1655
9cf6b11a
JJ
1656JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1657 formats (previously only available in exim formats via -bpr, -bpru,
1658 and -bpra. Now also available in native and exiqgrep formats)
1659
1660JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1661 with very large, slow to parse queues
1662
1663JJ/08 exipick: added ! as generic prefix to negate any criteria format
1664
1665JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1666
898d150f
PH
1667PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1668 responses to authentication challenges, though it was showing the
1669 challenges; (ii) I've removed the CR characters from the debug output for
1670 SMTP output lines.
1671
46218253
PH
1672PH/58 Allow for the insertion of a newline as well as a space when a string
1673 is turned into more than one encoded-word during RFC 2047 encoding. The
1674 Sieve code now uses this.
1675
e97957bc
PH
1676PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1677 data_4xx, lost_connection, tls_required.
1678
81e509d7
PH
1679PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1680 message was being sent as an SMTP response.
1681
3d240ff7
PH
1682PH/61 Add -l and -k options to exicyclog.
1683
b37c4101
PH
1684PH/62 When verifying, if an address was redirected to one new address, so that
1685 verification continued, and the new address failed or deferred after
1686 having set something in $address_data, the value of $address_data was not
1687 passed back to the ACL. This was different to the case when no
1688 redirection occurred. The value is now passed back in both cases.
1689
79378e0f
PH
1690PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1691 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1692 use login_cap.h, so on its own it isn't the distinguishing feature. The
1693 new name refers directly to the setclassresources() function.
1694
e49c7bb4
PH
1695PH/65 Added configuration files for NetBSD3.
1696
d114ec46
PH
1697PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1698
f3d7df6c
PH
1699PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1700 is preferred over IPv4.
1701
715ab376
PH
1702PH/68 The bounce_return_message and bounce_return_body options were not being
1703 honoured for bounces generated during the reception of non-SMTP messages.
1704 In particular, this applied to messages rejected by the ACL. This bug has
1705 been fixed. However, if bounce_return_message is true and bounce_return_
1706 body is false, the headers that are returned for a non-SMTP message
1707 include only those that have been read before the error was detected.
1708 (In the case of an ACL rejection, they have all been read.)
1709
6b31b150
PH
1710PH/69 The HTML version of the specification is now built in a directory called
1711 spec_html instead of spec.html, because the latter looks like a path with
1712 a MIME-type, and this confuses some software.
1713
1714PH/70 Catch two compiler warnings in sieve.c.
1715
d515a917
PH
1716PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1717 function verify_get_ident() calls ip_connect() to connect a socket, but
1718 if the "connect()" function timed out, ip_connect() used to close the
1719 socket. However, verify_get_ident() also closes the socket later, and in
1720 between Exim writes to the log, which may get opened at this point. When
1721 the socket was closed in ip_connect(), the log could get the same file
1722 descriptor number as the socket. This naturally causes chaos. The fix is
1723 not to close the socket in ip_connect(); the socket should be closed by
1724 the function that creates it. There was only one place in the code where
1725 this was missing, in the iplookup router, which I don't think anybody now
1726 uses, but I've fixed it anyway.
1727
9b8fadde
PH
1728PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1729 well as to direct DNS lookups. Otherwise the handling of names in host
1730 lists is inconsistent and therefore confusing.
1731
214e2000 1732
5de37277
PH
1733Exim version 4.60
1734-----------------
1735
cc38ddbf
PH
1736PH/01 Two changes to the default runtime configuration:
1737
1738 (1) Move the checks for relay_from_hosts and authenticated clients from
1739 after to before the (commented out) DNS black list checks.
1740
1741 (2) Add control=submission to the relay_from_hosts and authenticated
1742 clients checks, on the grounds that messages accepted by these
1743 statements are most likely to be submissions.
5de37277 1744
72fdd6ae
PH
1745PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1746
1747 (1) Generate an error if the third argument for the ${prvs expansion is
1748 not a single digit.
1749
1750 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1751 string.
1752
1753 (3) Reset the variables that are obtained from the first argument of
1754 ${prvscheck and used in the second argument before leaving the code,
1755 because their memory is reclaimed, so using them afterwards may do
1756 silly things.
1757
1758 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1759 one (it's much easier than Tom thought :-).
1760
1761 (5) Because of (4), we can now allow for the use of $prvscheck_result
1762 inside the third argument.
cb9328de 1763
cb741023
PH
1764PH/03 For some reason, the default setting of PATH when running a command from
1765 a pipe transport was just "/usr/bin". I have changed it to
1766 "/bin:/usr/bin".
1767
f174f16e
PH
1768PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1769 anything to be listed in the output from -bV.
b2f5a032 1770
c25242d7
PH
1771PH/05 When a filter generated an autoreply, the entire To: header line was
1772 quoted in the delivery log line, like this:
1773
1774 => >A.N.Other <ano@some.domain> <original@ddress> ...
1775
1776 This has been changed so that it extracts the operative address. There
1777 may be more than one such address. If so, they are comma-separated, like
1778 this:
1779
1780 => >ano@some.domain,ona@other.domain <original@ddress> ...
1781
82c19f95
PH
1782PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1783 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1784 not being looked up in the rDNS to get a host name, Exim was showing the
1785 IP address twice in Received: lines, even though the IP addresses were
1786 identical. For example:
1787
1788 Received: from [1.2.3.4] (helo=[1.2.3.4])
1789
1790 However, if the real host name was known, it was omitting the HELO data
1791 if it matched the actual IP address. This has been tidied up so that it
1792 doesn't show the same IP address twice.
1793
d7ffbc12
PH
1794PH/07 When both +timestamp and +memory debugging was on, the value given by
1795 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1796 called by the debug printing, thereby overwriting the timestamp buffer.
1797 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1798
9f526266
PH
1799PH/08 When the original message was included in an autoreply transport, it
1800 always said "this is a copy of the message, including all the headers",
1801 even if body_only or headers_only was set. It now gives an appropriate
1802 message.
1803
87fcc8b9
PH
1804PH/09 Applied a patch from the Sieve maintainer which:
1805
1806 o fixes some comments
1807 o adds the (disabled) notify extension core
1808 o adds some debug output for the result of if/elsif tests
1809 o points to the current vacation draft in the documentation
1810 and documents the missing references header update
1811
1812 and most important:
1813
1814 o fixes a bug in processing the envelope test (when testing
1815 multiple envelope elements, the last element determinted the
1816 result)
1817
456682f5
PH
1818PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1819 Electronic Mail") by including:
1820
1821 Auto-submitted: auto-generated
1822
1823 in the messages that it generates (bounce messages and others, such as
1824 warnings). In the case of bounce messages for non-SMTP mesages, there was
1825 also a typo: it was using "Auto_submitted" (underscore instead of
1826 hyphen). Since every message generated by Exim is necessarily in response
1827 to another message, thes have all been changed to:
1828
1829 Auto-Submitted: auto-replied
1830
1831 in accordance with these statements in the RFC:
1832
1833 The auto-replied keyword:
1834
1835 - SHOULD be used on messages sent in direct response to another
1836 message by an automatic process,
1837
1838 - MUST NOT be used on manually-generated messages,
1839
1840 - MAY be used on Delivery Status Notifications (DSNs) and Message
1841 Disposition Notifications (MDNs),
1842
1843 - MUST NOT be used on messages generated by automatic or periodic
1844 processes, except for messages which are automatic responses to
1845 other messages.
1846
3e46c1aa
PH
1847PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1848 to the default Received: header definition.
456682f5 1849
49826d12
PH
1850PH/12 Added log selector acl_warn_skipped (default on).
1851
eba0c039
PH
1852PH/13 After a successful wildlsearch lookup, discard the values of numeric
1853 variables because (a) they are in the wrong storage pool and (b) even if
1854 they were copied, it wouldn't work properly because of the caching.
1855
a0d6ba8a
PH
1856PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1857 checking when decoding. Apparently there are clients that generate
1858 overlong encoded strings. Why am I not surprised?
1859
f0917727
PH
1860PH/15 If the first argument of "${if match_address" was not empty, but did not
1861 contain an "@" character, Exim crashed. Now it writes a panic log message
1862 and treats the condition as false.
1863
096fee00
PH
1864PH/16 In autoreply, treat an empty string for "once" the same as unset.
1865
024bd3c2
PH
1866PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1867 extension "envelope-auth". The code is finished and in agreement with
1868 other implementations, but there is no documentation so far and in fact,
1869 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1870 not changing the active code.
1871
1872 Print executed "if" and "elsif" statements when debugging is used. This
1873 helps a great deal to understand what a filter does.
1874
1875 Document more things not specified clearly in RFC3028. I had all this
1876 sorted out, when out of a sudden new issues came to my mind. Oops."
1877
df199fec
PH
1878PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1879 (Bugzilla #53).
1880
d27f1df3
PH
1881PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1882 canonical form (as documented). However, after a host name lookup from
1883 the IP address, check_host() was doing a simple string comparison with
1884 addresses acquired from the DNS when checking that the found name did
1885 have the original IP as one of its addresses. Since any found IPv6
1886 addresses are likely to be in abbreviated form, the comparison could
1887 fail. Luckily, there already exists a function for doing the comparison
1888 by converting both addresses to binary, so now that is used instead of
1889 the text comparison.
1890
96776534
PH
1891PH/20 There was another similar case to PH/19, when a complete host name was
1892 given in a host list; looking up its IP address could give an abbreviated
1893 form, whereas the current host's name might or might not be abbreviated.
1894 The same fix has been applied.
1895
5de37277 1896
9a799bc0
PH
1897Exim version 4.54
1898-----------------
1899
1900PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1901 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1902 It now does.
1903
99a4b039
PH
1904PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1905 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1906
1907PH/03 Typo: missing ".o" in src/pcre/Makefile.
1908
4b233853
PH
1909PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1910 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1911 Also, for "Auto-Submitted", treat anything other than "no" as
1912 non-personal, in accordance with RFC 3834. (Previously it treated
1913 anything starting "auto-" as non-personal.)
1914
8857ccfd
PH
1915TF/01 The control=submission/name=... option had a problem with syntax
1916 errors if the name included a slash character. The /name= option
1917 now slurps the rest of the string, so it can include any characters
1918 but it must come last in the list of options (after /sender_retain
1919 or /domain=).
1920
433a2980
PH
1921PH/05 Some modifications to the interface to the fake nameserver for the new
1922 testing suite.
1923
3e46c1aa 1924
9a799bc0 1925
e3a311ba
TK
1926Exim version 4.53
1927-----------------
1928
1929TK/01 Added the "success_on_redirect" address verification option. See
1930 NewStuff for rationale and an example.
1931
13b685f9
PH
1932PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1933
395ff96d
PH
1934PH/02 Patch to exigrep to allow it to work on syslog lines.
1935
5b68f6e4
PH
1936PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1937 fread() to skip over the body file's header line, because in Cygwin the
1938 header line is locked and is inaccessible.
1939
1ab52c69
PH
1940PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1941 co-exist for some time) to make it clear that it is the Exim ID that is
1942 referenced, not the Message-ID: header line.
1943
b07e6aa3
PH
1944PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
1945 string_format() function, because snprintf() does not exist on all
1946 operating systems.
1947
254e032f
PH
1948PH/06 The use of forbid_filter_existstest now also locks out the use of the
1949 ${stat: expansion item.
1950
3af76a81
PH
1951PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
1952 protocol synchronization error", to keep the pedants happy.
1953
2548ba04
PH
1954PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
1955 well as for IRIX systems, when gcc is being used. See the host.c source
1956 file for comments.
1957
b6c6011d
PH
1958PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
1959
cf39cf57
PH
1960PH/10 Named domain lists were not working if used in a queue_smtp_domains
1961 setting.
1962
f1513293
PH
1963PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
1964 transport and to the smtp transport in LMTP mode.
1965
727549a4
PH
1966TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
1967
af46795e
PH
1968PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
1969 run a filter in a subprocess. This could lead to confusion in subsequent
1970 lookups in the parent process. There should also be a search_tidyup() at
1971 the end of the subprocess.
1972
d7b47fd0
PH
1973PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
1974 only if the host matched helo_try_verify_hosts, which caused the
1975 verification to occur when the EHLO/HELO command was issued. The ACL just
1976 tested the remembered result. Now, if a previous verification attempt has
1977 not happened, "verify = helo" does it there and then.
1978
ee744174
JJ
1979JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
1980
b582ab87
PH
1981TK/03 Fix log output including CR from clamd.
1982
41a13e0a
PH
1983PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
1984 exist provoked a memory error which could cause a segfault.
1985
f625cc5a
PH
1986PH/15 Installed PCRE 6.2
1987
1988PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
1989
21f7af35
PH
1990PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
1991 of the problem. Specifically, suggested +O2 rather than +O1 for the
1992 HP-UX compiler.
1993
31480e42
PH
1994PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
1995
2d280592
PH
1996PH/20 If a delivery was routed to a non-standard port by means of an SRV
1997 record, the port was not correctly logged when the outgoing_port log
1998 selector was set (it logged the transort's default port).
1999
7cd1141b
PH
2000PH/21 Added support for host-specific ports to manualroute, queryprogram,
2001 fallback_hosts, and "hosts" in the smtp transport.
2002
2003PH/22 If the log selector "outgoing_port" is set, the port is now also given on
2004 host errors such as "Connection refused".
2005
750af86e
PH
2006PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
2007 authentication with radiusclient 0.4.9:
2008
2009 - Error returned from rc_read_config was caught wrongly
2010 - Username/password not passed on to radius server due to wrong length.
2011
2012 The presumption is that some radiusclient API changes for 4.51/PH/17
2013 were not taken care of correctly. The code is still untested by me (my
2014 Linux distribution still has 0.3.2 of radiusclient), but it was
2015 contributed by a Radius user.
2016
2017PH/24 When doing a callout, the value of $domain wasn't set correctly when
2018 expanding the "port" option of the smtp transport.
2019
4304270b
TK
2020TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
2021 while reading a MIME header. Thanks to Tom Hughes for a patch.
2022
750af86e
PH
2023PH/24 Include config.h inside local_scan.h so that configuration settings are
2024 available.
2025
64ffc24f
PH
2026PH/25 Make $smtp_command_argument available after all SMTP commands. This means
2027 that in an ACL for RCPT (for example), you can examine exactly what was
2028 received.
2029
5dd9625b
PH
2030PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
2031 commands, but it was not correctly comparing the address with the actual
2032 client host address. Thus, it would show the EHLO address in Received:
2033 header lines when this was not necessary.
2034
5591031b
PH
2035PH/27 Added the % operator to ${eval:}.
2036
ba18e66a
PH
2037PH/28 Exim tries to create and chdir to its spool directory when it starts;
2038 it should be ignoring failures (because with -C, for example, it has lost
2039 privilege). It wasn't ignoring creation failures other than "already
2040 exists".
2041
9cec981f
PH
2042PH/29 Added "crypteq" to the list of supported features that Exim outputs when
2043 -bV or -d is used.
2044
aa2b5c79
PH
2045PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
2046 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
2047 too many continuations, the temporary file was not being removed, and the
2048 return code was incorrect.
aa2b5c79 2049
48a53b7f
PH
2050PH/31 Missing "BOOL" in function definition in filtertest.c.
2051
1c59d63b
PH
2052PH/32 Applied Sieve patches from the maintainer.
2053
671012da
TK
2054TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
2055
1509d3a8
PH
2056PH/33 Added "verify = not_blind".
2057
2058PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
2059 Local/Makefile (with some defaults set). These are used in built scripts
2060 such as exicyclog, but they have never been used in the exim_install
2061 script (though there are many overriding facilities there). I have
2062 arranged that the exim_install script now takes note of these two
2063 settings.
2064
2065PH/35 Installed configuration files for Dragonfly.
2066
2fe1a124
PH
2067PH/36 When a locally submitted message by a trusted user did not contain a
2068 From: header, and the sender address was obtained from -f or from an SMTP
2069 MAIL command, and the trusted user did not use -F to supply a sender
2070 name, $originator_name was incorrectly used when constructing a From:
2071 header. Furthermore, $originator_name was used for submission mode
2072 messages from external hosts without From: headers in a similar way,
2073 which is clearly wrong.
2074
8800895a
PH
2075PH/37 Added control=suppress_local_fixups.
2076
ccfdb010
PH
2077PH/38 When log_selector = +received_sender was set, and the addition of the
2078 sender made the log line's construction buffer exactly full, or one byte
2079 less than full, an overflow happened when the terminating "\n" was
2080 subsequently added.
2081
1130bfb0
PH
2082PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
2083 when the result of a list match is failure because a DNS lookup failed.
2084
ebcb507f
PH
2085PH/40 RM_COMMAND is now used in the building process.
2086
c35e155c
PH
2087PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
2088 the "build-* directories that it finds.
2089
95d1f782
PH
2090PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
2091 address in a domain literal was a prefix of an interface address.
2092
fd6de02e
PH
2093PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
2094 when verifying a sender address, unless rewrite_headers is false.
2095
58de37c5
PH
2096PH/44 Wrote a long comment about why errors_to addresses are verified as
2097 recipients, not senders.
2098
261cf466
TF
2099TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
2100 the ratelimit ACL was added.
2101
3ee512ff
PH
2102PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
2103
e08c430f
PH
2104PH/46 Added extra information about PostgreSQL errors to the error string.
2105
bef5a11f
PH
2106PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
2107 avoiding the need to install special zones in a real server. This is
2108 backwards compatible; if it can't find the fake resolver, it drops back.
2109 Thus, both old and new test suites can be run.
2110
7546de58
TF
2111TF/02 Added util/ratelimit.pl
2112
e5d5a95f
TF
2113TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
2114 clock is set back in time.
2115
2e88a017
TF
2116TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
2117 Candler <B.Candler@pobox.com>.
2118
a5f65aa4
TF
2119TF/05 The fix for PH/43 was not completely correct; widen_domains is always
2120 OK for addresses that are the result of redirections.
2121
e7726cbf
PH
2122PH/48 A number of further additions for the benefit of the new test suite,
2123 including a fake gethostbyname() that interfaces to the fake DNS resolver
2124 (see PH/47 above).
2125
a7fdad5b
TF
2126TF/06 The fix for widen_domains has also been applied to qualify_single and
2127 search_parents which are the other dnslookup options that can cause
2128 header rewrites.
2129
6af56900
PH
2130PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
2131 type ("H").
2132
0925ede6
PH
2133PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
2134
66afa403
TF
2135TF/07 Exim produced the error message "an SRV record indicated no SMTP
2136 service" if it encountered an MX record with an empty target hostname.
2137 The message is now "an MX or SRV record indicated no SMTP service".
2138
0154e85a
TF
2139TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
2140 if the DNS of the sending site is misconfigured. This is quite a
2141 common situation. This change restores the behaviour of treating a
2142 helo verification defer as a failure.
2143
16f12c76
PH
2144PH/51 If self=fail was set on a router, the bounce message did not include the
2145 actual error message.
2146
bbe902f0 2147
e5a9dba6
PH
2148Exim version 4.52
2149-----------------
2150
2151TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
2152
22c3b60b
PH
2153PH/01 When a transport filter timed out in a pipe delivery, and the pipe
2154 command itself ended in error, the underlying message about the transport
2155 filter timeout was being overwritten with the pipe command error. Now the
2156 underlying error message should be appended to the second error message.
2157
06a9b4b5
PH
2158TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2159
c1ac6996
PH
2160PH/02 Reduce the amount of output that "make" produces by default. Full output
2161 can still be requested.
2162
9c7a242c
PH
2163PH/03 The warning log line about a condition test deferring for a "warn" verb
2164 was being output only once per connection, rather than after each
2165 occurrence (because it was using the same function as for successful
2166 "warn" verbs). This seems wrong, so I have changed it.
2167
87ba3f5f
PH
2168TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2169 it should not have, which might have caused a crash in the right
2170 circumstances, but probably never did.
2171
2172PH/04 Installed a modified version of Tony Finch's patch to make submission
2173 mode fix the return path as well as the Sender: header line, and to
2174 add a /name= option so that you can make the user's friendly name appear
2175 in the header line.
2176
29aba418
TF
2177TF/03 Added the control = fakedefer ACL modifier.
2178
fe0dab11
TF
2179TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2180 Mark Lowes for thorough testing.
870f6ba8 2181
11d337a4
TK
2182TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2183
2184TK/03 Merged latest SRS patch from Miles Wilton.
2185
415c8f3b
PH
2186PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2187 with the definition in sysexits.h (which is #included earlier).
2188 Fortunately, Exim does not actually use EX_OK. The code used to try to
2189 preserve the sysexits.h value, by assumimg that macro definitions were
2190 scanned for macro replacements. I have been disabused of this notion,
2191 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2192
958541e9
PH
2193PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2194 in the smtp transport. When a block could not be written in a single
2195 write() function, the timeout was being re-applied to each part-write.
2196 This seems wrong - if the receiver was accepting one byte at a time it
2197 would take for ever. The timeout is now adjusted when this happens. It
2198 doesn't have to be particularly precise.
2199
c206415f
TK
2200TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2201 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2202
2a4be8f9
PH
2203PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2204 without a domain if the check to <postmaster@domain> fails.
2205
1cba11c5
SC
2206SC/01 Eximstats: added -xls and the ability to specify output files
2207 (patch written by Frank Heydlauf).
2208
2209SC/02 Eximstats: use FileHandles for outputing results.
2210
2211SC/03 Eximstats: allow any combination of xls, txt, and html output.
2212
2213SC/04 Eximstats: fixed display of large numbers with -nvr option
2214
2215SC/05 Eximstats: fixed merging of reports with empty tables.
2216
2217SC/06 Eximstats: added the -include_original_destination flag
2218
2219SC/07 Eximstats: removed tabs and trailing whitespace.
2220
1005d00e
TK
2221TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2222
2223TK/06 MBOX spool code: Add real "From " MBOX separator line
2224 so the .eml file is really in mbox format (even though
2225 most programs do not really care). Patch from Alex Miller.
2226
2227TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2228 The latter is generated from $received_to and is only set if the
2229 message has one envelope recipient. SA can use these headers,
2230 obviously out-of-the-box. Patch from Alex Miller.
2231
9b4768fa
PH
2232PH/08 The ${def test on a variable was returning false if the variable's
2233 value was "0", contrary to what the specification has always said!
2234 The result should be true unless the variable is empty.
2235
2236PH/09 The syntax error of a character other than { following "${if
2237 def:variable_name" (after optional whitespace) was not being diagnosed.
2238 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2239 accidental colon was present, for example, could give incorrect results.
2240
0d7eb84a
PH
2241PH/10 Tidied the code in a number of places where the st_size field of a stat()
2242 result is used (not including appendfile, where other changes are about
2243 to be made).
2244
2245PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2246 This involved changing a lot of size variables from int to off_t. It
2247 should work with maildirs and everything.
2248
40727bee
TK
2249TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2250 spamd dying while we are connected to it.
2251
554d2369
TF
2252TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2253 <jgh@wizmail.org>
2254
1f922db1
PH
2255PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2256 function for BDB 4.3.
2257
ef213c3b
PH
2258PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2259
8ac170f3
PH
2260PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2261 the sources for PCRE have been re-arranged and more files are now
2262 involved.
2263
b1c749bb
PH
2264PH/15 The code I had for printing potentially long long variables in PH/11
2265 above was not the best (it lost precision). The length of off_t variables
2266 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2267 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2268 to be "long long int" or "long int". This is needed for the internal
2269 formatting function string_vformat().
b1c749bb 2270
4aac9b49
PH
2271PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2272 the configuration file to be ":syslog", then the script "guesses" where
2273 the logs files are, rather than using the compiled in default. In our
2274 case the guess is not the same as the compiled default, so the script
2275 suddenly stopped working when I started to use syslog. The patch checks
2276 to see if log_file_path is "". If so, it attempts to read it from exim
2277 with no configuration file to get the compiled in version, before it
2278 falls back to the previous guessing code."
2279
294520c8
TK
2280TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2281 implementing BATV in an Exim configuration. See NewStuff for the gory
2282 details.
2283
5bd022fe
PH
2284PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2285 Makefile that are specific to HP-UX.
2286
90e9ce59
PH
2287PH/18 If the "use_postmaster" option was set for a recipient callout together
2288 with the "random" option, the postmaster address was used as the MAIL
2289 FROM address for the random test, but not for the subsequent recipient
2290 test. It is now used for both.
2291
5ea81592
PH
2292PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2293 patch removes a few documentation additions to RFC 3028, because the
2294 latest draft now contains them. It adds the new en;ascii-case comparator
2295 and a new error check for 8bit text in MIME parts. Comparator and
2296 require names are now matched exactly. I enabled the subaddress
2297 extension, but it is not well tested yet (read: it works for me)."
2298
c6c2dc1d
PH
2299PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2300 rework some of the code of TK/09 above to avoid the hardwired use of
2301 "%lld" and "long long". Replaced the call to snprintf() with a call to
2302 string_vformat().
2303
fffffe4c
PH
2304PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2305 records point to non-existent hosts", "retry timeout exceeded", and
2306 "retry time not reached for any host after a long failure period".
ca02eafb 2307
9a26b6b2
PH
2308PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2309 experimental DomainKeys support:
2310
2311 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2312 (2) On an error such as an illegally used "control", the wrong name for
2313 the control was given.
2314
2315 These problems did NOT occur unless DomainKeys support was compiled.
2316
4aee0225
PH
2317PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2318
32d668a5
PH
2319PH/24 Added ${if match_ip condition.
2320
8187c3f3
PH
2321PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2322 databases so that it will be absolutely obvious if a crash occurs in the
2323 DB library. This is a regular occurrence (often caused by mis-matched
2324 db.h files).
2325
ff790e47 2326PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2327 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2328 picked up on a user's system that detects such things. There doesn't seem
2329 to be a gcc warning option for this - only an attribute that has to be
2330 put on the function's prototype. It seems that in Fedora Core 4 they have
2331 set this on a number of new functions. No doubt there will be more in due
2332 course.
ff790e47 2333
5417f6d1
PH
2334PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2335 specify a transport. However, if an address that was verified by such a
2336 router was the subject of a callout, Exim crashed because it tried to
2337 read the rcpt_include_affixes from the non-existent transport. Now it
2338 just assumes that the setting of that option is false. This bug was
2339 introduced by 4.51/PH/31.
2340
59cf8544
PH
2341PH/28 Changed -d+all to exclude +memory, because that information is very
2342 rarely of interest, but it makes the output a lot bigger. People tend to
2343 do -d+all out of habit.
2344
e7ad8a65
PH
2345PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2346 code in os-type was giving problems when libc.so lives in lib64, like on
2347 x86_64 Fedora Core.
2348
ade42478
PH
2349PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2350 aren't the modern standard, and it seems that some systems' include files
2351 don't always have them. Exim was already checking for some of the newer
2352 ones like T_AAAA, and defining it itself. I've added checks for all the
2353 record types that Exim uses.
2354
182ad5cf
PH
2355PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2356 not automatically generating a new one, as it is supposed to. This
2357 prevented TLS from working. If the file did exist, but contained invalid
2358 data, a new version was generated, as expected. It was only the case of a
2359 non-existent file that was broken.
2360
b0d9fc80
TK
2361TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2362 with a change in libdomainkeys > 0.64.
2363
2364TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2365 from DNS. If the selector record carries the flag, it now has
2366 precedence over the domain-wide flag.
2367
2368TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2369
47c7a64a
PH
2370PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2371 the use of a port name that isn't defined in /etc/services) occurred, the
2372 message was deferred as in a normal delivery, and thus remained on the
2373 spool, instead of being failed because of the mua_wrapper setting. This
2374 is now fixed, and I tidied up some of the mua_wrapper messages at the
2375 same time.
2376
a388bce4
SC
2377SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2378 the messages in a hash of arrays rather than using individual hashes.
2379 This is a bit cleaner and results in dramatic memory savings, albeit
2380 at a slight CPU cost.
2381
2382SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2383 as requested by Marc Sherman.
2384
2385SC/10 Eximstats: added histograms for user specified patterns as requested
2386 by Marc Sherman.
2387
0793e4ed
SC
2388SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2389
c58b88df
PH
2390PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2391 fopen() in the content-scanning modules that did not already have it.
2392
e7ad8a65 2393
7982096b
PH
2394Exim version 4.51
2395-----------------
2396
1a46a8c5
PH
2397TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2398 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2399
2f079f46 2400TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2401
2402TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2403
2404PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2405 to test Sieve filters that use "vacation".
2406
2407PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2408 that changes the way the GnuTLS parameters are stored in the cache file.
2409 The new format can be generated externally. For backward compatibility,
2410 if the data in the cache doesn't make sense, Exim assumes it has read an
2411 old-format file, and it generates new data and writes a new file. This
2412 means that you can't go back to an older release without removing the
2413 file.
2414
2415PH/03 A redirect router that has both "unseen" and "one_time" set does not
2416 work if there are any delivery delays because "one_time" forces the
2417 parent to be marked "delivered", so its unseen clone is never tried
2418 again. For this reason, Exim now forbids the simultaneous setting of
2419 these two options.
2420
2421PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2422 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2423 entry if you want to know the details. The fix, however, neglected to
2424 consider the case when local delivery batching is involved. The test for
2425 "previously delivered" was not happening when checking to see if an
2426 address could be batched with a previous (undelivered) one; under
2427 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2428 address.
1a46a8c5
PH
2429
2430PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2431 in its include files, and this causes problems building Exim.
2432
2433PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2434 header_syntax) but Exim was just ignoring anything given after a slash.
2435 In particular, this caused confusion with an attempt to use "verify =
2436 reverse_host_lookup/defer_ok". An error is now given when options are
2437 supplied for verify items that do not have them. (Maybe reverse_host_
2438 lookup should have a defer_ok option, but that's a different point.)
2439
2440PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2441 defined by RFC 821) to 2048, because there were problems with some AUTH
2442 commands, and RFC 1869 says the size should be increased for extended
2443 SMTP commands that take arguments.
2444
2445PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2446 Finch).
2447
2448PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2449 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2450
49c2d5ea
PH
2451PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2452 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2453 whatever). Otherwise the password may appear in the log. Following change
2454 PH/42 below, there is no longer a chance of it appearing in a bounce
2455 message.
49c2d5ea 2456
bf759a8b
PH
2457PH/11 Installed exipick version 20050225.0 from John Jetmore.
2458
83364d30
PH
2459PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2460 of its addresses was ever tried. (Bugzilla bug #2.)
2461
7999bbd7
PH
2462PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2463 the result incorrectly in the debug output. (It correctly added a newline
2464 to what was transported.)
2465
7dbf77c9
PH
2466TF/01 Added $received_time.
2467
74e0617f
PH
2468PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2469 commented out examples of how to interface to a virus scanner and to
2470 SpamAssassin. Also added commented examples of av_scanner and
2471 spamd_address settings.
2472
2f079f46
PH
2473PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2474 and controls are allowed in which ACLs. There were a couple of minor
2475 errors. Some of the entries in the conditions table (which is a table of
2476 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2477 negation of where the condition IS allowed.
2478
8c841523
PH
2479PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2480
7766a4f0
PH
2481PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2482 header file does not have a version number, so I've had to invent a new
2483 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2484 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2485 radiusclient), but it was contributed by a Radius user.
2486
8b417f2c
PH
2487PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2488 files or directories, for OpenSSL.
2489
901f42cb
PH
2490PH/19 When an Exim process that is running as root has to create an Exim log
2491 file, it does so in a subprocess that runs as exim:exim so as to get the
2492 ownership right at creation (otherwise, other Exim processes might see
2493 the file with the wrong ownership). There was no test for failure of this
2494 fork() call, which would lead to the process getting stuck as it waited
2495 for a non-existent subprocess. Forks do occasionally fail when resources
2496 run out. I reviewed all the other calls to fork(); they all seem to check
2497 for failure.
2498
f9b9210e
PH
2499PH/20 When checking for unexpected SMTP input at connect time (before writing
2500 the banner), Exim was not dealing correctly with a non-positive return
2501 from the read() function. If the client had disconnected by this time,
2502 the result was a log entry for a synchronization error with an empty
2503 string after "input=" when read() returned zero. If read() returned -1
2504 (an event I could not check), uninitialized data bytes were printed.
2505 There were reports of junk text (parts of files, etc) appearing after
2506 "input=".
2507
54cdb463
PH
2508PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2509
cf00dad6
PH
2510PH/22 Added support for macro redefinition, and (re)definition in between
2511 driver and ACL definitions.
2512
acb1b346
PH
2513PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2514 forgetting to use the resulting value; it was using the unexpanded value.
2515
c5ddb310
PH
2516PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2517 hadn't been configured. The fix is from Juergen Kreileder, who
2518 understands it better than I do:
2519
2520 "Here's what I see happening with three configured cyrus_sasl
2521 authenticators configured (plain, login, cram-md5):
2522
2523 On startup auth_cyrus_sasl_init() gets called for each of these.
2524 This means three calls to sasl_listmech() without a specified mech_list.
2525 => SASL tests which mechs of all available mechs actually work
2526 => three warnings about OTP not working
2527 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2528
2529 With the patch, sasl_listmech() also gets called three times. But now
2530 SASL's mech_list option is set to the server_mech specified in the the
2531 authenticator. Or in other words, the answer from sasl_listmech()
2532 gets limited to just the mech you're testing for (which is different
2533 for each call.)
2534 => the return list contains just 'plain' or 'login', 'cram-md5' or
2535 nothing depending on the value of ob->server_mech.
2536
2537 I've just tested the patch: Authentication still works fine,
2538 unavailable mechs specified in the exim configuration are still
2539 caught, and the auth.log warnings about OTP are gone."
2540
31619da6
PH
2541PH/25 When debugging is enabled, the contents of the command line are added
2542 to the debugging output, even when log_selector=+arguments is not
2543 specified.
2544
bebaf0fc
PH
2545PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2546 answer is "GNU", and only if the return is "GNU/something" is the answer
2547 "Linux".
2548
475fe28a
PH
2549PH/27 $acl_verify_message is now set immediately after the failure of a
2550 verification in an ACL, and so is available in subsequent modifiers. In
2551 particular, the message can be preserved by coding like this:
2552
2553 warn !verify = sender
2554 set acl_m0 = $acl_verify_message
2555
2556 Previously, $acl_verify_message was set only while expanding "message"
2557 and "log_message" when a very denied access.
2558
7e8bec7a
PH
2559PH/28 Modified OS/os.c-Linux with
2560
2561 -#ifndef OS_LOAD_AVERAGE
2562 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2563
2564 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2565 nomenclature these days.)
2566
e4a89c47
PH
2567PH/29 Installed patch from the Sieve maintainer that adds the options
2568 sieve_useraddress and sieve_subaddress to the redirect router.
2569
5ca2a9a1
PH
2570PH/30 In these circumstances:
2571 . Two addresses routed to the same list of hosts;
2572 . First host does not offer TLS;
2573 . First host accepts first address;
2574 . First host gives temporary error to second address;
2575 . Second host offers TLS and a TLS session is established;
2576 . Second host accepts second address.
2577 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2578 and peerdn, if requested) that were in fact used only for the second
2579 address.
7e8bec7a 2580
c688b954
PH
2581PH/31 When doing a callout as part of verifying an address, Exim was not paying
2582 attention to any local part prefix or suffix that was matched by the
2583 router that accepted the address. It now behaves in the same way as it
2584 does for delivery: the affixes are removed from the local part unless
2585 rcpt_include_affixes is set on the transport.
2586
fed77020
PH
2587PH/32 Add the sender address, as F=<...>, to the log line when logging a
2588 timeout during the DATA phase of an incoming message.
2589
7fe1560f
PH
2590PH/33 Sieve envelope tests were broken for match types other than :is. I have
2591 applied a patch sanctioned by the Sieve maintainer.
c688b954 2592
ebb6e6d5
PH
2593PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2594 the uid or gid is negative. A case of a negative gid caused this to be
2595 noticed. The fix allows for either to be negative.
2596
9c4e8f60
PH
2597PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2598 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2599 overlooked.
2600
2601PH/36 The change PH/12 above was broken. Fixed it.
2602
d7174846
PH
2603PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2604 the grounds that routing the same address twice would always produce the
2605 same answer. This might have been true once, but it is certainly no
2606 longer true now. Routing a child address may depend on the previous
2607 routing that produced that child. Some complicated redirection strategies
2608 went wrong when messages had multiple recipients, and made Exim's
2609 behaviour dependent on the order in which the addresses were given.
2610
2611 I have moved the duplicate checking until after the routing is complete.
2612 Exim scans the addresses that are assigned to local and remote
2613 transports, and removes any duplicates. This means that more work will be
2614 done, as duplicates will always all be routed, but duplicates are
2615 presumably rare, so I don't expect this is of any significance.
2616
2617 For deliveries to pipes, files, and autoreplies, the duplicate checking
2618 still happens during the routing process, since they are not going to be
2619 routed further.
2620
cfe75fc3
PH
2621PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2622 It corrects a timeout issue with spamd. This is Ian's comment: "The
2623 background is that sometimes spamd either never reads data from a
2624 connection it has accepted, or it never writes response data. The exiscan
2625 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2626 blindly assumes that writes won't block so it may never time out."
2627
be22d70e
PH
2628PH/39 Allow G after quota size as well as K and M.
2629
0612b098
PH
2630PH/40 The value set for $authenticated_id in an authenticator may not contain
2631 binary zeroes or newlines because the value is written to log lines and
2632 to spool files. There was no check on this. Now the value is run through
2633 the string_printing() function so that such characters are converted to
2634 printable escape sequences.
2635
2e0c1448
PH
2636PH/41 $message_linecount is a new variable that contains the total number of
2637 lines in the message. Compare $body_linecount, which is the count for the
2638 body only.
2639
447d236c
PH
2640PH/42 Exim no longer gives details of delivery errors for specific addresses in
2641 bounce and delay warning messages, except in certain special cases, which
2642 are as follows:
2643
2644 (a) An SMTP error message from a remote host;
2645 (b) A message specified in a :fail: redirection;
2646 (c) A message specified in a "fail" command in a system filter;
2647 (d) A message specified in a FAIL return from the queryprogram router;
2648 (e) A message specified by the cannot_route_message router option.
2649
2650 In these cases only, Exim does include the error details in bounce and
2651 warning messages. There are also a few cases where bland messages such
2652 as "unrouteable address" or "local delivery error" are given.
2653
d20976dc
PH
2654PH/43 $value is now also set for the "else" part of a ${run expansion.
2655
f656d135
PH
2656PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2657 being worked on, but at least Exim now implements the latest version to
2658 play with."
2659
2e2a30b4
PH
2660PH/45 In a pipe transport, although a timeout while waiting for the pipe
2661 process to complete was treated as a delivery failure, a timeout while
2662 writing the message to the pipe was logged, but erroneously treated as a
2663 successful delivery. Such timeouts include transport filter timeouts. For
2664 consistency with the overall process timeout, these timeouts are now
2665 treated as errors, giving rise to delivery failures by default. However,
2666 there is now a new Boolean option for the pipe transport called
2667 timeout_defer, which, if set TRUE, converts the failures into defers for
2668 both kinds of timeout. A transport filter timeout is now identified in
2669 the log output.
2670
9176e9f0
PH
2671PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2672 systems where "make" and "gmake" are different, calling "gmake" at top
2673 level broke things. I've arranged for the value of $(MAKE) to be passed
2674 from the Makefile to this script so that it can call the same version of
2675 "make".
2676
7982096b 2677
bbe902f0
PH
2678A note about Exim versions 4.44 and 4.50
2679----------------------------------------
2680
2681Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2682changes of various kinds. As a consequence, a big documentation update was
2683needed. This delayed the release for rather longer than seemed good, especially
2684in the light of a couple of (minor) security issues. Therefore, the changes
2685that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2686release. So 4.44 and 4.50 are in effect two different branches that both start
2687from 4.43.
2688
2689I have left the 4.50 change log unchanged; it contains all the changes since
26904.43. The change log for 4.44 is below; many of its items are identical to
2691those for 4.50. This seems to be the most sensible way to preserve the
2692historical information.
2693
2694
f7b63901 2695Exim version 4.50
495ae4b0
PH
2696-----------------
2697
5fe762f6
PH
2698 1. Minor wording change to the doc/README.SIEVE file.
2699
139059f6 2700 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2701 computation of the current number of files was incorrect.
495ae4b0 2702
7086e875
PH
2703 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2704 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2705 place.
2706
35af9f61
PH
2707 4. Give more explanation in the error message when the command for a transport
2708 filter fails to execute.
2709
b668c215
PH
2710 5. There are several places where Exim runs a non-Exim command in a
2711 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2712 was being done only for the command run by the queryprogram router. It is
2713 now done for all such subprocesses. The other cases are: ${run, transport
2714 filters, and the commands run by the lmtp and pipe transports.
2715
a494b1e1
PH
2716 6. Added CONFIGURE_GROUP build-time option.
2717
2718 7. Some older OS have a limit of 256 on the maximum number of file
2719 descriptors. Exim was using setrlimit() to set 1000 as a large value
2720 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2721 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2722
c5fcb476
PH
2723 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2724 was an oversight, and furthermore, ever since the addition of extra
2725 controls (e.g. 4.43/32), the checks on when to allow different forms of
2726 "control" were broken. There should now be diagnostics for all cases when a
2727 control that does not make sense is encountered.
2728
69358f02
PH
2729 9. Added the /retain_sender option to "control=submission".
2730
5be20824
PH
273110. $recipients is now available in the predata ACL (oversight).
2732
eb2c0248
PH
273311. Tidy the search cache before the fork to do a delivery from a message
2734 received from the command line. Otherwise the child will trigger a lookup
2735 failure and thereby defer the delivery if it tries to use (for example) a
2736 cached ldap connection that the parent has called unbind on.
2737
2a3eea10
PH
273812. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2739 of $address_data from the recipient verification was clobbered by the
2740 sender verification.
2741
274213. The value of address_data from a sender verification is now available in
2743 $sender_address_data in subsequent conditions in the ACL statement.
2744
23c7ff99
PH
274514. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2746
4deaf07d
PH
274715. Added a new option "connect=<time>" to callout options, to set a different
2748 connection timeout.
2749
926e1192
PH
275016. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2751 was its contents. (It was OK if the option was not defined at all.)
2752
650edc6f
PH
275317. A "Completed" log line is now written for messages that are removed from
2754 the spool by the -Mrm option.
2755
2c7db3f5
PH
275618. New variables $sender_verify_failure and $recipient_verify_failure contain
2757 information about exactly what failed.
2758
3d235903
PH
275919. Added -dd to debug only the daemon process.
2760
7c7ad977
PH
276120. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2762 handles timeouts, both on the server side and network timeouts. Renamed the
2763 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2764
981756db
PH
276521. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2766 It is now set to "smtps".
2767
d4eb88df
PH
276822. $host_address is now set to the target address during the checking of
2769 ignore_target_hosts.
2770
277123. When checking ignore_target_hosts for an ipliteral router, no host name was
2772 being passed; this would have caused $sender_host_name to have been used if
2773 matching the list had actually called for a host name (not very likely,
2774 since this list is usually IP addresses). A host name is now passed as
2775 "[x.x.x.x]".
2776
7d468ab8
PH
277724. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2778 code that specifies a non-restarting handler (typically sigaction() in
2779 modern systems) in an attempt to fix a rare and obscure crash bug.
2780
278125. Narrowed the window for a race in the daemon that could cause it to ignore
2782 SIGCHLD signals. This is not a major problem, because they are used only to
2783 wake it up if nothing else does.
2784
62c0818f
PH
278526. A malformed maildirsize file could cause Exim to calculate negative values
2786 for the mailbox size or file count. Odd effects could occur as a result.
2787 The maildirsize information is now recalculated if the size or filecount
2788 end up negative.
2789
26034054
PH
279027. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2791 support for a long time. Removed HAVE_SYS_VFS_H.
2792
af66f652
PH
279328. Installed the latest version of exipick from John Jetmore.
2794
90af77f4
PH
279529. In an address list, if the pattern was not a regular expression, an empty
2796 subject address (from a bounce message) matched only if the pattern was an
2797 empty string. Non-empty patterns were not even tested. This was the wrong
2798 because it is perfectly reasonable to use an empty address as part of a
2799 database query. An empty address is now tested by patterns that are
2800 lookups. However, all the other forms of pattern expect the subject to
2801 contain a local part and a domain, and therefore, for them, an empty
2802 address still always fails if the pattern is not itself empty.
2803
d8ef3577
PH
280430. Exim went into a mad DNS loop when attempting to do a callout where the
2805 host was specified on an smtp transport, and looking it up yielded more
2806 than one IP address.
2807
5cb8cbc6
PH
280831. Re-factored the code for checking spool and log partition space into a
2809 function that finds that data and another that does the check. The former
2810 is then used to implement four new variables: $spool_space, $log_space,
2811 $spool_inodes, and $log_inodes.
2812
14702f5b
PH
281332. The RFC2047 encoding function was originally intended for short strings
2814 such as real names; it was not keeping to the 75-character limit for
2815 encoded words that the RFC imposes. It now respects the limit, and
2816 generates multiple encoded words if necessary. To be on the safe side, I
2817 have increased the buffer size for the ${rfc2047: expansion operator from
2818 1024 to 2048 bytes.
2819
063b1e99
PH
282033. It is now permitted to omit both strings after an "if" condition; if the
2821 condition is true, the result is "true". As before, when the second string
2822 is omitted, a false condition yields an empty string. This makes it less
2823 cumbersome to write custom ACL and router conditions.
2824
652e1b65
PH
282534. Failure to deliver a bounce message always caused it to be frozen, even if
2826 there was an errors_to setting on the router. The errors_to setting is now
2827 respected.
2828
6f0c9a4f
PH
282935. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2830 canonical form (fully expanded) before being placed in
2831 $sender_host_address.
2832
33397d19
PH
283336. The table in the code that translates DNS record types into text (T_A to
2834 "A" for instance) was missing entries for NS and CNAME. It is just possible
2835 that this could have caused confusion if both these types were looked up
2836 for the same domain, because the text type is used as part of Exim's
2837 per-process caching. But the chance of anyone hitting this buglet seems
2838 very small.
2839
7bb56e1f
PH
284037. The dnsdb lookup has been extended in a number of ways.
2841
2842 (1) There is a new type, "zns", which walks up the domain tree until it
2843 finds some nameserver records. It should be used with care.
2844
ea3bc19b
PH
2845 (2) There is a new type, "mxh", which is like "mx" except that it returns
2846 just the host names, not the priorities.
2847
2848 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2849 looked up. The behaviour when one of the lookups defers can be
2850 controlled by a keyword.
7bb56e1f 2851
ea3bc19b 2852 (4) It is now possible to specify the separator character for use when
7bb56e1f 2853 multiple records are returned.
33397d19 2854
0bcb2a0e
PH
285538. The dnslists ACL condition has been extended: it is now possible to supply
2856 a list of IP addresses and/or domains to be looked up in a particular DNS
2857 domain.
2858
2ac0e484
PH
285939. Added log_selector=+queue_time_overall.
2860
4e1fde53
PH
286140. When running the queue in the test harness, wait just a tad after forking a
2862 delivery process, to get repeatability of debugging output.
2863
de365ded
PH
286441. Include certificate and key file names in error message when GnuTLS fails
2865 to set them up, because the GnuTLS error message doesn't include the name
2866 of the failing file when there is a problem reading it.
2867
f05da2e8
PH
286842. Allow both -bf and -bF in the same test run.
2869
d6453af2
PH
287043. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2871
f7b63901
PH
287244. The "Exiscan patch" is now merged into the mainline Exim source.
2873
287445. Sometimes the final signoff response after QUIT could fail to get
2875 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2876 < 0 before doing a fflush(). This bug looks as though it goes back to the
2877 introduction of TLS in release 3.20, but "sometimes" must have been rare
2878 because the tests only now provoked it.
2879
a444213a
PH
288046. Reset the locale to "C" after calling embedded Perl, in case it was changed
2881 (this can affect the format of dates).
2882
0ec020ea
PH
288347. exim_tidydb, when checking for the continued existence of a message for
2884 which it has found a message-specific retry record, was not finding
2885 messages that were in split spool directories. Consequently, it was
2886 deleting retry records that should have stayed in existence.
2887
b1206957
PH
288848. Steve fixed some bugs in eximstats.
2889
289049. The SPA authentication driver was not abandoning authentication and moving
2891 on to the next authenticator when an expansion was forced to fail,
2892 contradicting the general specification for all authenticators. Instead it
2893 was generating a temporary error. It now behaves as specified.
2894
26dd5a95
PH
289550. The default ordering of permitted cipher suites for GnuTLS was pessimal
2896 (the order specifies the preference for clients). The order is now AES256,
2897 AES128, 3DES, ARCFOUR128.
2898
343b2385
PH
289951. Small patch to Sieve code - explicitly set From: when generating an
2900 autoreply.
2901
1c5466b9
PH
290252. Exim crashed if a remote delivery caused a very long error message to be
2903 recorded - for instance if somebody sent an entire SpamAssassin report back
2904 as a large number of 550 error lines. This bug was coincidentally fixed by
2905 increasing the size of one of Exim's internal buffers (big_buffer) that
2906 happened as part of the Exiscan merge. However, to be on the safe side, I
2907 have made the code more robust (and fixed the comments that describe what
2908 is going on).
2909
55ee9ee3
PH
291053. Now that there can be additional text after "Completed" in log lines (if
2911 the queue_time_overall log selector is set), a one-byte patch to exigrep
2912 was needed to allow it to recognize "Completed" as not the last thing in
2913 the line.
2914
d38f8232
PH
291554. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2916 patch that reportedly fixes this has been added. I am not expert enough to
2917 create a test for it. This is what the patch creator wrote:
2918
2919 "I found a little strange behaviour of ldap code when working with
2920 Windows 2003 AD Domain, where users was placed in more than one
2921 Organization Units. When I tried to give exim partial DN, the exit code
2922 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2923 But simultaneously result of request was absolutely normal ldap result,
2924 so I produce this patch..."
2925
3295e65b
PH
2926 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2927 REFERENCE, so I have modified the code to exclude the patch when that macro
2928 is not defined.
2929
7102e136
PH
293055. Some experimental protocols are using DNS PTR records for new purposes. The
2931 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2932 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2933 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2934 CAN-2005-0021
7102e136 2935
3ca0ba97
PH
293656. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2937
c2bcbe20
PH
293857. Double the size of the debug message buffer (to 2048) so that more of very
2939 long debug lines gets shown.
2940
18ce445d
PH
294158. The exicyclog utility now does better if the number of log files to keep
2942 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2943
1f5b4c3d
PH
294459. Two changes related to the smtp_active_hostname option:
2945
2946 (1) $smtp_active_hostname is now available as a variable.
2947 (2) The default for smtp_banner uses $smtp_active_hostname instead
2948 of $primary_hostname.
2949
b975ba52
PH
295060. The host_aton() function is supposed to be passed a string that is known
2951 to be a valid IP address. However, in the case of IPv6 addresses, it was
2952 not checking this. This is a hostage to fortune. Exim now panics and dies
2953 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
2954 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2955 components; fortuitously, this particular loophole had already been fixed
2956 by change 4.50/55 above.
2957
2958 If there are any other similar loopholes, the new check in host_aton()
2959 itself should stop them being exploited. The report I received stated that
2960 data on the command line could provoke the exploit when Exim was running as
2961 exim, but did not say which command line option was involved. All I could
2962 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2963 running as the user.
ea3a6f44 2964 CAN-2005-0021
85b87bc2
PH
2965
296661. There was a buffer overflow vulnerability in the SPA authentication code
2967 (which came originally from the Samba project). I have added a test to the
2968 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 2969 CAN-2005-0022
b975ba52 2970
17ffcae7
PH
297162. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
2972 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
2973
d95f9fdb
PH
297463. The daemon start-up calls getloadavg() while still root for those OS that
2975 need the first call to be done as root, but it missed one case: when
2976 deliver_queue_load_max is set with deliver_drop_privilege. This is
2977 necessary for the benefit of the queue runner, because there is no re-exec
2978 when deliver_drop_privilege is set.
2979
86b8287f
PH
298064. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
2981 This has been fixed.
2982
60dc5e56
PH
298365. Caching of lookup data for "hosts =" ACL conditions, when a named host list
2984 was in use, was not putting the data itself into the right store pool;
2985 consequently, it could be overwritten for a subsequent message in the same
2986 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
2987 the caching.)
2988
533244af
PH
298966. Added hosts_max_try_hardlimit to the smtp transport, default 50.
2990
a5a28604
PH
299167. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
2992 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
2993 the function were treating the return as a boolean value, which happened to
2994 work because 0=false and not-0=true, but is not correct code.
2995
7e634d24
PH
299668. The host_aton() function was not handling scoped IPv6 addresses (those
2997 with, for example, "%eth0" on the end) correctly.
2998
3e11c26b
PH
299969. Fixed some compiler warnings in acl.c for the bitmaps specified with
3000 negated items (that is, ~something) in unsigned ints. Some compilers
3001 apparently mutter when there is no cast.
3002
6729cf78
PH
300370. If an address verification called from an ACL failed, and did not produce a
3004 user-specific message (i.e. there was only a "system" message), nothing was
3005 put in $acl_verify_message. In this situation, it now puts the system
3006 message there.
3007
00f00ca5
PH
300871. Change 4.23/11 added synchronization checking at the start of an SMTP
3009 session; change 4.31/43 added the unwanted input to the log line - except
3010 that it did not do this in the start of session case. It now does.
3011
c9bdd01c
PH
301272. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
3013 This is wrong and can cause the other end to generate a synchronization
3014 error if it is another Exim or anything else that does the synchronization
3015 check. A QUIT command is no longer sent after a timeout.
3016
d43194df
PH
301773. $host_lookup_deferred has been added, to make it easier to detect DEFERs
3018 during host lookups.
3019
fe5b5d0b
PH
302074. The defer_ok option of callout verification was not working if it was used
3021 when verifying addresses in header lines, that is, for this case:
3022
3023 verify = header_sender/callout=defer_ok
3024
76a2d7ba
PH
302575. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
3026 those file descriptors could be used for SMTP connections. If anything
3027 wrote to stderr (the example that came up was "warn" in embedded Perl), it
3028 could be sent to the SMTP client, causing chaos. The daemon now opens
3029 stdin, stdout, and stderr to /dev/null when it puts itself into the
3030 background.
3031
303276. Arrange for output from Perl's "warn" command to be written to Exim's main
3033 log by default. The user can override this with suitable Perl magic.
3034
04f7d5b9
PH
303577. The use of log_message on a "discard" ACL verb, which is supposed to add to
3036 the log message when discard triggers, was not working for the DATA ACL or
3037 for the non-SMTP ACL.
3038
bc60667e
PH
303978. Error message wording change in sieve.c.
3040
bb6e88ff
PH
304179. If smtp_accept_max_per_host was set, the number of connections could be
3042 restricted to fewer than expected, because the daemon was trying to set up
3043 a new connection before checking whether the processes handling previous
3044 connections had finished. The check for completed processes is now done
3045 earlier. On busy systems, this bug wouldn't be noticed because something
3046 else would have woken the daemon, and it would have reaped the completed
3047 process earlier.
3048
1e70f85b
PH
304980. If a message was submitted locally by a user whose login name contained one
3050 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
3051 It caused a spool format error. I have fixed the spool reading code. A
3052 related problem was that the "from" clause in the Received: line became
3053 illegal because of the space(s). It is now covered by ${quote_local_part.
3054
305581. Included the latest eximstats from Steve (adds average sizes to HTML Top
3056 tables).
3057
4e01f9d6
PH
305882. Updated OS/Makefile-AIX as per message from Mike Meredith.
3059
1ee1cef2
PH
306083. Patch from Sieve maintainer to fix unterminated string problem in
3061 "vacation" handling.
3062
6e2b4ccc
PH
306384. Some minor changes to the Linux configuration files to help with other
3064 OS variants using glibc.
3065
8e669ac1
PH
306685. One more patch for Sieve to update vacation handling to latest spec.
3067
495ae4b0 3068
bbe902f0
PH
3069----------------------------------------------------
3070See the note above about the 4.44 and 4.50 releases.
3071----------------------------------------------------
3072
3073
3074Exim version 4.44
3075-----------------
3076
3077 1. Change 4.43/35 introduced a bug that caused file counts to be
3078 incorrectly computed when quota_filecount was set in an appendfile
3079 transport
3080
3081 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
3082 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
3083 place.
3084
3085 3. Give more explanation in the error message when the command for a transport
3086 filter fails to execute.
3087
3088 4. There are several places where Exim runs a non-Exim command in a
3089 subprocess. The SIGUSR1 signal should be disabled for these processes. This
3090 was being done only for the command run by the queryprogram router. It is
3091 now done for all such subprocesses. The other cases are: ${run, transport
3092 filters, and the commands run by the lmtp and pipe transports.
3093
3094 5. Some older OS have a limit of 256 on the maximum number of file
3095 descriptors. Exim was using setrlimit() to set 1000 as a large value
3096 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
3097 systems. I've change it so that if it can't get 1000, it tries for 256.
3098
3099 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
3100 was an oversight, and furthermore, ever since the addition of extra
3101 controls (e.g. 4.43/32), the checks on when to allow different forms of
3102 "control" were broken. There should now be diagnostics for all cases when a
3103 control that does not make sense is encountered.
3104
3105 7. $recipients is now available in the predata ACL (oversight).
3106
3107 8. Tidy the search cache before the fork to do a delivery from a message
3108 received from the command line. Otherwise the child will trigger a lookup
3109 failure and thereby defer the delivery if it tries to use (for example) a
3110 cached ldap connection that the parent has called unbind on.
3111
3112 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
3113 of $address_data from the recipient verification was clobbered by the
3114 sender verification.
3115
311610. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
3117 was its contents. (It was OK if the option was not defined at all.)
3118
311911. A "Completed" log line is now written for messages that are removed from
3120 the spool by the -Mrm option.
3121
312212. $host_address is now set to the target address during the checking of
3123 ignore_target_hosts.
3124
312513. When checking ignore_target_hosts for an ipliteral router, no host name was
3126 being passed; this would have caused $sender_host_name to have been used if
3127 matching the list had actually called for a host name (not very likely,
3128 since this list is usually IP addresses). A host name is now passed as
3129 "[x.x.x.x]".
3130
313114. Changed the calls that set up the SIGCHLD handler in the daemon to use the
3132 code that specifies a non-restarting handler (typically sigaction() in
3133 modern systems) in an attempt to fix a rare and obscure crash bug.
3134
313515. Narrowed the window for a race in the daemon that could cause it to ignore
3136 SIGCHLD signals. This is not a major problem, because they are used only to
3137 wake it up if nothing else does.
3138
313916. A malformed maildirsize file could cause Exim to calculate negative values
3140 for the mailbox size or file count. Odd effects could occur as a result.
3141 The maildirsize information is now recalculated if the size or filecount
3142 end up negative.
3143
314417. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
3145 support for a long time. Removed HAVE_SYS_VFS_H.
3146
ea3a6f44 314718. Updated exipick to current release from John Jetmore.
bbe902f0
PH
3148
314919. Allow an empty sender to be matched against a lookup in an address list.
3150 Previously the only cases considered were a regular expression, or an
3151 empty pattern.
3152
315320. Exim went into a mad DNS lookup loop when doing a callout where the
3154 host was specified on the transport, if the DNS lookup yielded more than
3155 one IP address.
3156
ea3a6f44
NM
315721. The RFC2047 encoding function was originally intended for short strings
3158 such as real names; it was not keeping to the 75-character limit for
3159 encoded words that the RFC imposes. It now respects the limit, and
3160 generates multiple encoded words if necessary. To be on the safe side, I
3161 have increased the buffer size for the ${rfc2047: expansion operator from
3162 1024 to 2048 bytes.
bbe902f0 3163
ea3a6f44
NM
316422. Failure to deliver a bounce message always caused it to be frozen, even if
3165 there was an errors_to setting on the router. The errors_to setting is now
3166 respected.
bbe902f0
PH
3167
316823. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3169 canonical form (fully expanded) before being placed in
3170 $sender_host_address.
3171
317224. Updated eximstats to version 1.33
3173
ea3a6f44
NM
317425. Include certificate and key file names in error message when GnuTLS fails
3175 to set them up, because the GnuTLS error message doesn't include the name
3176 of the failing file when there is a problem reading it.
bbe902f0
PH
3177
317826. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3179 As per change 25.
bbe902f0 3180
ea3a6f44
NM
318127. Reset the locale to "C" after calling embedded Perl, in case it was changed
3182 (this can affect the format of dates).
bbe902f0 3183
ea3a6f44
NM
318428. exim_tidydb, when checking for the continued existence of a message for
3185 which it has found a message-specific retry record, was not finding
3186 messages that were in split spool directories. Consequently, it was
3187 deleting retry records that should have stayed in existence.
bbe902f0
PH
3188
318929. eximstats updated to version 1.35
3190 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3191 1.35 - bugfix such that pie charts by volume are generated correctly
3192
ea3a6f44
NM
319330. The SPA authentication driver was not abandoning authentication and moving
3194 on to the next authenticator when an expansion was forced to fail,
3195 contradicting the general specification for all authenticators. Instead it
3196 was generating a temporary error. It now behaves as specified.
bbe902f0 3197
ea3a6f44
NM
319831. The default ordering of permitted cipher suites for GnuTLS was pessimal
3199 (the order specifies the preference for clients). The order is now AES256,
3200 AES128, 3DES, ARCFOUR128.
bbe902f0 3201
ea3a6f44
NM
320231. Small patch to Sieve code - explicitly set From: when generating an
3203 autoreply.
bbe902f0 3204
ea3a6f44
NM
320532. Exim crashed if a remote delivery caused a very long error message to be
3206 recorded - for instance if somebody sent an entire SpamAssassin report back
3207 as a large number of 550 error lines. This bug was coincidentally fixed by
3208 increasing the size of one of Exim's internal buffers (big_buffer) that
3209 happened as part of the Exiscan merge. However, to be on the safe side, I
3210 have made the code more robust (and fixed the comments that describe what
3211 is going on).
bbe902f0 3212
ea3a6f44
NM
321333. Some experimental protocols are using DNS PTR records for new purposes. The
3214 keys for these records are domain names, not reversed IP addresses. The
3215 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3216 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3217 CAN-2005-0021
3218
ea3a6f44
NM
321934. The host_aton() function is supposed to be passed a string that is known
3220 to be a valid IP address. However, in the case of IPv6 addresses, it was
3221 not checking this. This is a hostage to fortune. Exim now panics and dies
3222 if the condition is not met. A case was found where this could be provoked
3223 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3224 components; fortuitously, this particular loophole had already been fixed
3225 by change 4.50/55 or 4.44/33 above.
3226
3227 If there are any other similar loopholes, the new check in host_aton()
3228 itself should stop them being exploited. The report I received stated that
3229 data on the command line could provoke the exploit when Exim was running as
3230 exim, but did not say which command line option was involved. All I could
3231 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3232 running as the user.
bbe902f0
PH
3233 CAN-2005-0021
3234
ea3a6f44
NM
323535. There was a buffer overflow vulnerability in the SPA authentication code
3236 (which came originally from the Samba project). I have added a test to the
3237 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3238 CAN-2005-0022
3239
ea3a6f44
NM
324036. The daemon start-up calls getloadavg() while still root for those OS that
3241 need the first call to be done as root, but it missed one case: when
3242 deliver_queue_load_max is set with deliver_drop_privilege. This is
3243 necessary for the benefit of the queue runner, because there is no re-exec
3244 when deliver_drop_privilege is set.
bbe902f0 3245
ea3a6f44
NM
324637. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3247 was in use, was not putting the data itself into the right store pool;
3248 consequently, it could be overwritten for a subsequent message in the same
3249 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3250 the caching.)
bbe902f0 3251
ea3a6f44
NM
325238. Sometimes the final signoff response after QUIT could fail to get
3253 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3254 < 0 before doing a fflush(). This bug looks as though it goes back to the
3255 introduction of TLS in release 3.20, but "sometimes" must have been rare
3256 because the tests only now provoked it.
bbe902f0
PH
3257
3258
495ae4b0
PH
3259Exim version 4.43
3260-----------------
3261
3262 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3263 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3264 Now it returns an integer. A number of calls were still expecting a T/F
3265 return. Fortuitously, in all cases, the tests worked in OK situations,
3266 which is the norm. However, things would have gone wrong on any write
3267 failures on the smtp file descriptor. This function is used when sending
3268 messages over SMTP and also when doing verify callouts.
3269
3270 2. When Exim is called to do synchronous delivery of a locally submitted
3271 message (the -odf or -odi options), it no longer closes stderr before doing
3272 the delivery.
3273
3274 3. Implemented the mua_wrapper option.
3275
3276 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3277
3278 5. Implemented the functions header_remove(), header_testname(),
3279 header_add_at_position(), and receive_remove_recipient(), and exported them
3280 to local_scan().
3281
3282 6. If an ACL "warn" statement specified the addition of headers, Exim already
3283 inserted X-ACL-Warn: at the start if there was no header name. However, it
3284 was not making this test for the second and subsequent header lines if
3285 there were newlines in the string. This meant that an invalid header could
3286 be inserted if Exim was badly configured.
3287
3288 7. Allow an ACL "warn" statement to add header lines at the start or after all
3289 the Received: headers, as well as at the end.
3290
3291 8. Added the rcpt_4xx retry error code.
3292
3293 9. Added postmaster_mailfrom=xxx to callout verification option.
3294
329510. Added mailfrom=xxxx to the callout verification option, for verify=
3296 header_sender only.
3297
329811. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3299 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3300
330112. Inserted some casts to stop certain compilers warning when using pointer
3302 differences as field lengths or precisions in printf-type calls (mostly
3303 affecting debugging statements).
3304
330513. Added optional readline() support for -be (dynamically loaded).
3306
330714. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3308 same clock tick as a message's arrival, so that its received time was the
3309 same as the "first fail" time on the retry record, and that message
3310 remained on the queue past the ultimate address timeout, every queue runner
3311 would try a delivery (because it was past the ultimate address timeout) but
3312 after another failure, the ultimate address timeout, which should have then
3313 bounced the address, did not kick in. This was a "< instead of <=" error;
3314 in most cases the first failure would have been in the next clock tick
3315 after the received time, and all would be well.
3316
331715. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3318 being recognized when the domain list was tested by the match_domain
3319 condition in an expansion string.
3320
332116. Added the ${str2b64: operator.
3322
332317. Exim was always calling setrlimit() to set a large limit for the number of
3324 processes, without checking whether the existing limit was already
3325 adequate. (It did check for the limit on file descriptors.) Furthermore,
3326 errors from getrlimit() and setrlimit() were being ignored. Now they are
3327 logged to the main and panic logs, but Exim does carry on, to try to do its
3328 job under whatever limits there are.
3329
333018. Imported PCRE 5.0.
3331
333219. Trivial typo in log message " temporarily refused connection" (the leading
3333 space).
3334
333520. If the log selector return_path_on_delivery was set and an address was
3336 redirected to /dev/null, the delivery process crashed because it assumed
3337 that a return path would always be set for a "successful" delivery. In this
3338 case, the whole delivery is bypassed as an optimization, and therefore no
3339 return path is set.
3340
334121. Internal re-arrangement: the function for sending a challenge and reading
3342 a response while authentication was assuming a zero-terminated challenge
3343 string. It's now changed to take a pointer and a length, to allow for
3344 binary data in such strings.
3345
334622. Added the cyrus_sasl authenticator (code supplied by MBM).
3347
334823. Exim was not respecting finduser_retries when seeking the login of the
3349 uid under which it was called; it was always trying 10 times. (The default
3350 setting of finduser_retries is zero.) Also, it was sleeping after the final
3351 failure, which is pointless.
3352
335324. Implemented tls_on_connect_ports.
3354
335525. Implemented acl_smtp_predata.
3356
335726. If the domain in control=submission is set empty, Exim assumes that the
3358 authenticated id is a complete email address when it generates From: or
3359 Sender: header lines.
3360
336127. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3362 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3363 chown and chgrp in /bin and hostname in /usr/bin.
3364
336528. Exim was keeping the "process log" file open after each use, just as it
3366 does for the main log. This opens the possibility of it remaining open for
3367 long periods when the USR1 signal hits a daemon. Occasional processlog
3368 errors were reported, that could have been caused by this. Anyway, it seems
3369 much more sensible not to leave this file open at all, so that is what now
3370 happens.
3371
337229. The long-running daemon process does not normally write to the log once it
3373 has entered its main loop, and it closes the log before doing so. This is
3374 so that log files can straightforwardly be renamed and moved. However,
3375 there are a couple of unusual error situations where the daemon does write
3376 log entries, and I had neglected to close the log afterwards.
3377
337830. The text of an SMTP error response that was received during a remote
3379 delivery was being truncated at 512 bytes. This is too short for some of
3380 the long messages that one sometimes sees. I've increased the limit to
3381 1024.
3382
338331. It is now possible to make retry rules that apply only when a message has a
3384 specific sender, in particular, an empty sender.
3385
338632. Added "control = enforce_sync" and "control = no_enforce_sync". This makes
3387 it possible to be selective about when SMTP synchronization is enforced.
3388
338933. Added "control = caseful_local_part" and "control = "caselower_local_part".
3390
339132. Implemented hosts_connection_nolog.
3392
339333. Added an ACL for QUIT.
3394
339534. Setting "delay_warning=" to disable warnings was not working; it gave a
3396 syntax error.
3397
339835. Added mailbox_size and mailbox_filecount to appendfile.
3399
340036. Added control = no_multiline_responses to ACLs.
3401
340237. There was a bug in the logic of the code that waits for the clock to tick
3403 in the case where the clock went backwards by a substantial amount such
3404 that the microsecond fraction of "now" was more than the microsecond
3405 fraction of "then" (but the whole seconds number was less).
3406
340738. Added support for the libradius Radius client library this is found on
3408 FreeBSD (previously only the radiusclient library was supported).
3409
3410
3411Exim version 4.42
3412-----------------
3413
3414 1. When certain lookups returned multiple values in the form name=value, the
3415 quoting of the values was not always being done properly. Specifically:
3416 (a) If the value started with a double quote, but contained no whitespace,
3417 it was not quoted.
3418 (b) If the value contained whitespace other than a space character (i.e.
3419 tabs or newlines or carriage returns) it was not quoted.
3420 This fix has been applied to the mysql and pgsql lookups by writing a
3421 separate quoting function and calling it from the lookup code. The fix
3422 should probably also be applied to nisplus, ibase and oracle lookups, but
3423 since I cannot test any of those, I have not disturbed their existing code.
3424
3425 2. A hit in the callout cache for a specific address caused a log line with no
3426 reason for rejecting RCPT. Now it says "Previous (cached) callout
3427 verification failure".
3428
3429 3. There was an off-by-one bug in the queryprogram router. An over-long
3430 return line was truncated at 256 instead of 255 characters, thereby
3431 overflowing its buffer with the terminating zero. As well as fixing this, I
3432 have increased the buffer size to 1024 (and made a note to document this).
3433
3434