ChangeLog updates for the security issues.
[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
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2
3Change log file for Exim from version 4.21
4-------------------------------------------
5
10906672
PP
6Exim version 4.76
7-----------------
8
9PP/01 The new ldap_require_cert option would segfault if used. Fixed.
10
754a0503
PP
11PP/02 Harmonised TLS library version reporting; only show if debugging.
12 Layout now matches that introduced for other libraries in 4.74 PP/03.
13
c0c7b2da
PP
14PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
15
e97d1f08
PP
16PP/04 New "dns_use_edns0" global option.
17
084c1d8c
PP
18PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
19 Bugzilla 1098.
20
4e7ee012
PP
21PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
22 nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
da80c2a8 23
c8d52a00
PP
24TK/01 Updated PolarSSL code to 0.14.2.
25 Bugzilla 1097. Patch from Andreas Metzler.
26
54e7ce4a
PP
27PP/07 Catch divide-by-zero in ${eval:...}.
28 Fixes bugzilla 1102.
29
5ee6f336
PP
30PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
31 Bugzilla 1104.
32
c8d52a00 33TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
6ea4a851
PP
34 format-string attack -- SECURITY: remote arbitrary code execution.
35
36TK/03 SECURITY - DKIM signature header parsing was double-expanded, second
37 time unintentionally subject to list matching rules, letting the header
38 cause arbitrary Exim lookups (of items which can occur in lists, *not*
39 arbitrary string expansion). This allowed for information disclosure.
40
41PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to
42 INT_MIN/-1 -- value coerced to INT_MAX.
c8d52a00 43
10906672 44
aa097c4c
NM
45Exim version 4.75
46-----------------
47
4c9ef03a 48NM/01 Workround for PCRE version dependency in version reporting
aa097c4c
NM
49 Bugzilla 1073
50
7f3d9eff
TF
51TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
52 This fixes portability to compilers other than gcc, notably
53 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
54
159f52d2
TF
55TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
56 makefiles for portability to HP-UX and POSIX correctness.
57
0cc9542a
PP
58PP/01 Permit LOOKUP_foo enabling on the make command-line.
59 Also via indented variable definition in the Makefile.
60 (Debugging by Oliver Heesakkers).
61
f7274286
PP
62PP/02 Restore caching of spamd results with expanded spamd_address.
63 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
64
7b797365
PP
65PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
66 Improves build reliability. Fix from: Frank Elsner
67
caacae52
NM
68NM/02 Fix wide character breakage in the rfc2047 coding
69 Fixes bug 1064. Patch from Andrey N. Oktyabrski
70
09dcaba9
NM
71NM/03 Allow underscore in dnslist lookups
72 Fixes bug 1026. Patch from Graeme Fowler
73
bc19a55b
PP
74PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
75 Code patches from Adam Ciarcinski of NetBSD.
caacae52 76
bd4c9759
NM
77NM/04 Fixed exiqgrep to cope with mailq missing size issue
78 Fixes bug 943.
79
b72aab72
PP
80PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
81 is logged, to avoid truncation. Patch from John Horne.
82
2fe76745
PP
83PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
84 Patch from Jakob Hirsch.
85
76aa570c
PP
86PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
87 SQL string expansion failure details.
88 Patch from Andrey Oktyabrski.
89
f1e5fef5
PP
90PP/08 Bugzilla 486: implement %M datestamping in log filenames.
91 Patch from Simon Arlott.
92
4d805ee9
PP
93PP/09 New lookups functionality failed to compile on old gcc which rejects
94 extern declarations in function scope.
95 Patch from Oliver Fleischmann
96
cd59ab18
PP
97PP/10 Use sig_atomic_t for flags set from signal handlers.
98 Check getgroups() return and improve debugging.
99 Fixed developed for diagnosis in bug 927 (which turned out to be
100 a kernel bug).
101
332f5cf3
PP
102PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
103 Patch from Mark Zealey.
104
29cfeb94
PP
105PP/12 Bugzilla 1056: Improved spamd server selection.
106 Patch from Mark Zealey.
107
660242ad
PP
108PP/13 Bugzilla 1086: Deal with maildir quota file races.
109 Based on patch from Heiko Schlittermann.
110
bc4bc4c5
PP
111PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
112 Patch from Uwe Doering, sign-off by Michael Haardt.
113
2e64baa9
NM
114NM/05 Fix to spam.c to accommodate older gcc versions which dislike
115 variable declaration deep within a block. Bug and patch from
116 Dennis Davis.
117
bddd7526
PP
118PP/15 lookups-Makefile IRIX compatibilty coercion.
119
6bac1a9a
PP
120PP/16 Make DISABLE_DKIM build knob functional.
121
552193f0
NM
122NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
123 Patch by Simon Arlott
baeee2c1 124
1b587e48
TF
125TF/03 Fix valgrind.h portability to C89 compilers that do not support
126 variable argument macros. Our copy now differs from upstream.
127
aa097c4c 128
8c07b69f
TF
129Exim version 4.74
130-----------------
131
132TF/01 Failure to get a lock on a hints database can have serious
133 consequences so log it to the panic log.
134
c0ea85ab
TF
135TF/02 Log LMTP confirmation messages in the same way as SMTP,
136 controlled using the smtp_confirmation log selector.
137
0761d44e
TF
138TF/03 Include the error message when we fail to unlink a spool file.
139
0a349494
PP
140DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
141 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
142 for maintaining out-of-tree patches for some time.
143
144PP/01 Bugzilla 139: Documentation and portability issues.
145 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
146 Handle per-OS dynamic-module compilation flags.
147
fea24b2e
PP
148PP/02 Let /dev/null have normal permissions.
149 The 4.73 fixes were a little too stringent and complained about the
150 permissions on /dev/null. Exempt it from some checks.
151 Reported by Andreas M. Kirchwitz.
152
6545de78
PP
153PP/03 Report version information for many libraries, including
154 Exim version information for dynamically loaded libraries. Created
155 version.h, now support a version extension string for distributors
156 who patch heavily. Dynamic module ABI change.
157
1670ef10
PP
158PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
159 privilege escalation vulnerability whereby the Exim run-time user
160 can cause root to append content of the attacker's choosing to
161 arbitrary files.
162
c0886197
PP
163PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
164 (Wolfgang Breyha)
165
b7487bce
PP
166PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
167 If dropping privileges for untrusted macros, we disabled normal logging
168 on the basis that it would fail; for the Exim run-time user, this is not
169 the case, and it resulted in successful deliveries going unlogged.
170 Fixed. Reported by Andreas Metzler.
171
8c07b69f 172
97fd1e48 173Exim version 4.73
ed7f7860 174-----------------
97fd1e48
PP
175
176PP/01 Date: & Message-Id: revert to normally being appended to a message,
177 only prepend for the Resent-* case. Fixes regression introduced in
178 Exim 4.70 by NM/22 for Bugzilla 607.
179
6901c596
PP
180PP/02 Include check_rfc2047_length in configure.default because we're seeing
181 increasing numbers of administrators be bitten by this.
182
a8c8d6b5
JJ
183JJ/01 Added DISABLE_DKIM and comment to src/EDITME
184
77bb000f
PP
185PP/03 Bugzilla 994: added openssl_options main configuration option.
186
a29e5231
PP
187PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
188
ec5a0394 189PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 190
55c75993
PP
191PP/06 Adjust NTLM authentication to handle SASL Initial Response.
192
453a6645 193PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
194 without a peer certificate, leading to a segfault because of an
195 assumption that peers always have certificates. Be a little more
453a6645
PP
196 paranoid. Problem reported by Martin Tscholak.
197
8544e77a
PP
198PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
199 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
200 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
201 CL also introduces -bmalware, various -d+acl logging additions and
202 more caution in buffer sizes.
8544e77a 203
83e029d5
PP
204PP/09 Implemented reverse_ip expansion operator.
205
ed7f7860
PP
206PP/10 Bugzilla 937: provide a "debug" ACL control.
207
7d9f747b
PP
208PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
209
4b2241d2
PP
210PP/12 Bugzilla 973: Implement --version.
211
10385c15
PP
212PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
213
dbc4b90d
PP
214PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
215
532be449
PP
216PP/15 Bugzilla 816: support multiple condition rules on Routers.
217
6a8de854 218PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
219 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
220 ignore trailing whitespace.
6a8de854 221
5dc43717
JJ
222JJ/02 prevent non-panic DKIM error from being sent to paniclog
223
224JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
225 "exim" to be used
55c75993 226
3346ab01
PP
227PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
228 Notification from Dr Andrew Aitchison.
229
491fab4c
PP
230PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
231 ExtendedDetectionInfo response format.
232 Notification from John Horne.
233
13eb9497
PP
234PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
235 compatible.
236
237PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
238 XSL and documented dependency on system catalogs, with examples of how
239 it normally works.
240
7f36d675
DW
241DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
242 access.
243
c1d94452
DW
244DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
245 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
246 configuration file which is writeable by the Exim user or group.
247
e2f5dc15
DW
248DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
249 of configuration files to cover files specified with the -C option if
250 they are going to be used with root privileges, not just the default
251 configuration file.
252
cd25e41d
DW
253DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
254 option (effectively making it always true).
255
261dc43e
DW
256DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
257 files to be used while preserving root privileges.
258
fa32850b
DW
259DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
260 that rogue child processes cannot use them.
261
79d4bc3d
PP
262PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
263 run-time user, instead of root.
264
43236f35 265PP/28 Add WHITELIST_D_MACROS option to let some macros be overridden by the
2cfd3221
PP
266 Exim run-time user without dropping privileges.
267
fb08281f
DW
268DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
269 result string, instead of calling string_vformat() twice with the same
270 arguments.
3346ab01 271
74935b98
DW
272DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
273 for other users. Others should always drop root privileges if they use
274 -C on the command line, even for a whitelisted configure file.
275
90b6341f
DW
276DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
277
57730b52
ML
278NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
279
66581d1e 280
465e92cf
JJ
281Exim version 4.72
282-----------------
283
453a6645
PP
284JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
285 $data_path, and $header_path variables; fixed documentation bugs and
286 typos
465e92cf 287
453a6645
PP
288JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
289 exipick to access non-standard spools, including the "frozen" queue
290 (Finput)
edae0343 291
9bd3e22c
NM
292NM/01 Bugzilla 965: Support mysql stored procedures.
293 Patch from Alain Williams
294
bb576ff7
NM
295NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
296
5a1a5845
NM
297NM/03 Bugzilla 955: Documentation fix for max_rcpts.
298 Patch from Andreas Metzler
299
981a9fad
NM
300NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
301 Patch from Kirill Miazine
302
7fc497ee
NM
303NM/05 Bugzilla 671: Added umask to procmail example.
304
1a41defa
JJ
305JJ/03 installed exipick 20100323.0, fixing doc bug
306
a466095c 307NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 308 directory. Notification and patch from Dan Rosenberg.
a466095c 309
94a6bd0b
NM
310TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
311
312TK/02 Improve log output when DKIM signing operation fails.
313
314MH/01 Treat the transport option dkim_domain as a colon separated
315 list, not as a single string, and sign the message with each element,
316 omitting multiple occurences of the same signer.
317
c1b141a8
NM
318NM/07 Null terminate DKIM strings, Null initialise DKIM variable
319 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 320
b26eacf1 321NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
322 Patch by Simon Arlott
323
179c5980 324PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 325 MBX locking. Notification from Dan Rosenberg.
179c5980 326
9bd3e22c 327
7c6d71af
NM
328Exim version 4.71
329-----------------
330
7d9f747b 331TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 332
f013fb92
NM
333NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
334
0eb8eedd
NM
335NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
336
663ee6d9
NM
337NM/03 Bugzilla 847: Enable DNSDB lookup by default.
338
177ebd9b
NM
339NM/04 Bugzilla 915: Flag broken perl installation during build.
340
7c6d71af 341
210f147e
NM
342Exim version 4.70
343-----------------
344
cdd3bb85 345TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 346 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
347
348TK/02 Write list of recipients to X-Envelope-Sender header when building
349 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 350 Hirsch).
cdd3bb85
TK
351
352TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
353 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 354 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
355
356TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
357 by Mark Daniel Reidel <mr@df.eu>.
358
210f147e
NM
359NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
360 When building exim an external PCRE library is now needed -
361 PCRE is a system library on the majority of modern systems.
362 See entry on PCRE_LIBS in EDITME file.
363
deafd5b3
NM
364NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
365 conversation. Added nologin parameter to request.
7d9f747b 366 Patch contributed by Kirill Miazine.
deafd5b3 367
089793a4
TF
368TF/01 Do not log submission mode rewrites if they do not change the address.
369
5f16ca82
TF
370TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
371
dae9d94e 372NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 373 log files in place. Contributed by Roberto Lima.
dae9d94e 374
7d9f747b 375NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 376
06864c44
TF
377TF/03 Bugzilla 615: When checking the local_parts router precondition
378 after a local_part_suffix or local_part_prefix option, Exim now
379 does not use the address's named list lookup cache, since this
380 contains cached lookups for the whole local part.
381
65a7d8c3 382NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 383 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 384
23510047 385TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 386
7d9f747b 387NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 388
7d8eec3a 389NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 390 Patch provided by Jan Srzednicki.
6c588e74 391
89dec7b6
TF
392TF/05 Leading white space used to be stripped from $spam_report which
393 wrecked the formatting. Now it is preserved.
5f28a6e8 394
a99de90c
TF
395TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
396 that they are available at delivery time.
397
e2803e40
TF
398TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
399
7199e1ee
TF
400TF/08 TLS error reporting now respects the incoming_interface and
401 incoming_port log selectors.
402
e276e04b
TF
403TF/09 Produce a more useful error message if an SMTP transport's hosts
404 setting expands to an empty string.
405
ce552449 406NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 407 Patch provided by Phil Pennock.
ce552449 408
e765a0f1 409NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 410 Patch provided by Richard Godbee.
e765a0f1 411
4f054c63 412NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 413 acl_smtp_notquit, added index entry.
4f054c63 414
7d9f747b
PP
415NM/09 Bugzilla 787: Potential buffer overflow in string_format.
416 Patch provided by Eugene Bujak.
24c929a2 417
7d9f747b
PP
418NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
419 accept(). Patch provided by Maxim Dounin.
cf73943b 420
b52bc06e 421NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 422 Patch provided by Phil Pennock.
b52bc06e 423
447de4b0
NM
424NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
425
4c69d561 426NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 427 Patch provided by Brad "anomie" Jorsch.
4c69d561 428
d5c39246 429NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 430 Patch provided by Dean Brooks.
9b989985 431
0b23848a
TK
432TK/05 Add native DKIM support (does not depend on external libraries).
433
8f3414a1 434NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 435 Patch provided by Graeme Fowler.
e2aacdfd 436
fb6f955d
NM
437NM/16 Bugzilla 851: Documentation example syntax fix.
438
439NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 440
7d9f747b
PP
441NM/18 Bugzilla 894: Fix issue with very long lines including comments in
442 lsearch.
dbb0bf41 443
7d9f747b
PP
444NM/19 Bugzilla 745: TLS version reporting.
445 Patch provided by Phil Pennock.
f3766eb5 446
7d9f747b
PP
447NM/20 Bugzilla 167: bool: condition support.
448 Patch provided by Phil Pennock.
36f12725 449
7d9f747b
PP
450NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
451 clients. Patch provided by Phil Pennock.
e6060e2c 452
7d9f747b
PP
453NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
454 Patch provided by Brad "anomie" Jorsch.
5eb690a1 455
7d9f747b
PP
456NM/23 Bugzilla 687: Fix misparses in eximstats.
457 Patch provided by Heiko Schlittermann.
d5c13d66 458
7d9f747b
PP
459NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
460 Patch provided by Heiko Schlittermann.
b2335c0b 461
7d9f747b 462NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 463 plus update to original patch.
f4cd9433 464
7d9f747b 465NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 466
7d9f747b
PP
467NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
468 Patch provided by David Brownlee.
8dc71ab3 469
7d9f747b 470NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 471
7d9f747b 472NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 473
7d9f747b 474NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 475
7d9f747b 476NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 477
17792b53 478NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 479 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 480
7d9f747b
PP
481NM/33 Bugzilla 898: Transport filter timeout fix.
482 Patch by Todd Rinaldo.
52383f8f 483
7d9f747b
PP
484NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
485 Patch by Serge Demonchaux.
5ca6d115 486
7d9f747b
PP
487NM/35 Bugzilla 39: Base64 decode bug fixes.
488 Patch by Jakob Hirsch.
baee9eee 489
7d9f747b 490NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 491
7d9f747b 492NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 493
7d9f747b 494NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 495
7d9f747b 496NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 497
deafd5b3 498
47db1125
NM
499Exim version 4.69
500-----------------
501
4b3504d0
TK
502TK/01 Add preliminary DKIM support. Currently requires a forked version of
503 ALT-N's libdkim that I have put here:
504 http://duncanthrax.net/exim-experimental/
505
506 Note to Michael Haardt: I had to rename some vars in sieve.c. They
507 were called 'true' and it seems that C99 defines that as a reserved
508 keyword to be used with 'bool' variable types. That means you could
509 not include C99-style headers which use bools without triggering
510 build errors in sieve.c.
511
81ea09ca
NM
512NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
513 as mailq or other aliases. Changed the --help handling significantly
514 to do whats expected. exim_usage() emits usage/help information.
515
f13cddcb
SC
516SC/01 Added the -bylocaldomain option to eximstats.
517
7d9f747b 518NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 519
7d9f747b 520NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 521
7d9f747b 522NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
523
524
eb4c0de6
PH
525Exim version 4.68
526-----------------
527
528PH/01 Another patch from the Sieve maintainer.
529
6a3bceb1
PH
530PH/02 When an IPv6 address is converted to a string for single-key lookup
531 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
532 dots are used instead of colons so that keys in lsearch files need not
533 contain colons. This was done some time before quoting was made available
534 in lsearch files. However, iplsearch files do require colons in IPv6 keys
535 (notated using the quote facility) so as to distinguish them from IPv4
536 keys. This meant that lookups for IP addresses in host lists did not work
537 for iplsearch lookups.
538
539 This has been fixed by arranging for IPv6 addresses to be expressed with
540 colons if the lookup type is iplsearch. This is not incompatible, because
541 previously such lookups could never work.
542
543 The situation is now rather anomolous, since one *can* have colons in
544 ordinary lsearch keys. However, making the change in all cases is
545 incompatible and would probably break a number of configurations.
546
2e30fa9d
TK
547TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
548 version.
549
0806a9c5
MH
550MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
551 conversion specification without a maximum field width, thereby enabling
552 a rogue spamd server to cause a buffer overflow. While nobody in their
553 right mind would setup Exim to query an untrusted spamd server, an
554 attacker that gains access to a server running spamd could potentially
555 exploit this vulnerability to run arbitrary code as the Exim user.
556
ae276964
TK
557TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
558 $primary_hostname instead of what libspf2 thinks the hosts name is.
559
0f2cbd1b
MH
560MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
561 a directory entry by the name of the lookup key. Previously, if a
562 symlink pointed to a non-existing file or a file in a directory that
563 Exim lacked permissions to read, a lookup for a key matching that
564 symlink would fail. Now it is enough that a matching directory entry
565 exists, symlink or not. (Bugzilla 503.)
566
2b85bce7
PH
567PH/03 The body_linecount and body_zerocount variables are now exported in the
568 local_scan API.
569
93655c46
PH
570PH/04 Added the $dnslist_matched variable.
571
6c512171
PH
572PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
573 This means they are set thereafter only if the connection becomes
574 encrypted.
575
576PH/06 Added the client_condition to authenticators so that some can be skipped
577 by clients under certain conditions.
578
aa6dc513
PH
579PH/07 The error message for a badly-placed control=no_multiline_responses left
580 "_responses" off the end of the name.
581
a96603a0
PH
582PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
583
8f240103
PH
584PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
585 (without spaces) instead of just copying the configuration text.
586
587PH/10 Added the /noupdate option to the ratelimit ACL condition.
588
d677b2f2
PH
589PH/11 Added $max_received_linelength.
590
d52120f2
PH
591PH/12 Added +ignore_defer and +include_defer to host lists.
592
64f2600a
PH
593PH/13 Installed PCRE version 7.2. This needed some changes because of the new
594 way in which PCRE > 7.0 is built.
595
8669f003
PH
596PH/14 Implemented queue_only_load_latch.
597
a4dc33a8
PH
598PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
599 MAIL command. The effect was to mangle the value on 64-bit systems.
600
d6a60c0f
PH
601PH/16 Another patch from the Sieve maintainer.
602
8f128379
PH
603PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
604
8932dffe
PH
605PH/18 If a system quota error occurred while trying to create the file for
606 a maildir delivery, the message "Mailbox is full" was not appended to the
607 bounce if the delivery eventually timed out. Change 4.67/27 below applied
608 only to a quota excession during the actual writing of the file.
d6a60c0f 609
ddea74fa 610PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
611 characters?) which causes problems in log lines. The DN values are now
612 passed through string_printing() before being added to log lines.
613
ddea74fa 614PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
615 and InterBase are left for another time.)
616
ddea74fa
PH
617PH/21 Added message_body_newlines option.
618
ce9f225c
PH
619PH/22 Guard against possible overflow in moan_check_errorcopy().
620
19897d52
PH
621PH/23 POSIX allows open() to be a macro; guard against that.
622
bc64a74d
PH
623PH/24 If the recipient of an error message contained an @ in the local part
624 (suitably quoted, of course), incorrect values were put in $domain and
625 $local_part during the evaluation of errors_copy.
626
eb4c0de6 627
b4ed4da0
PH
628Exim version 4.67
629-----------------
630
22ad45c9
MH
631MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
632 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
633 Jan Srzednicki.
634
b4ed4da0
PH
635PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
636 issue a MAIL command.
637
431b7361
PH
638PH/02 In an ACL statement such as
639
640 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
641
642 if a client was not listed at all, or was listed with a value other than
643 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
644 the condition was not true (as it should be), so access was not denied.
645 The bug was that the ! inversion was incorrectly passed on to the second
646 item. This has been fixed.
647
648PH/03 Added additional dnslists conditions == and =& which are different from
649 = and & when the dns lookup returns more than one IP address.
650
83da1223
PH
651PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
652 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
653
54fc8428
PH
654PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
655 FSYNC, which compiles an option called disable_fsync that allows for
656 bypassing fsync(). The documentation is heavily laced with warnings.
657
34c5e8dd
SC
658SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
659
bbe15da8
PH
660PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
661 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
662 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
663 including adding "make clean"; (3) Added -fPIC when compiling the test
664 dynamically loaded module, to get rid of a warning.
665
0e8a9471
MH
666MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
667 message fails, move_frozen_messages = true and ignore_bounce_errors_after
668 = 0s. The bug is otherwise harmless.
669
f0872424
PH
670PH/07 There was a bug in the dovecot authenticator such that the value of
671 $auth1 could be overwritten, and so not correctly preserved, after a
672 successful authentication. This usually meant that the value preserved by
673 the server_setid option was incorrect.
674
b01dd148
PH
675PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
676
6bf342e1
PH
677PH/09 Installed PCRE release 7.0.
678
273f34d0
PH
679PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
680 run for batched SMTP input. It is now run at the start of every message
681 in the batch. While fixing this I discovered that the process information
682 (output by running exiwhat) was not always getting set for -bs and -bS
683 input. This is fixed, and it now also says "batched" for BSMTP.
684
cf8b11a5
PH
685PH/11 Added control=no_pipelining.
686
41c7c167
PH
687PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
688 patch, slightly modified), and move the expansion of helo_data till after
689 the connection is made in the smtp transport (so it can use these
690 values).
691
9c57cbc0
PH
692PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
693
f3f065bb
PH
694PH/14 Added log_selector = +pid.
695
047bdd8c
PH
696PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
697
0ce9abe6
PH
698PH/16 Add ${if forany and ${if forall.
699
0e22dfd1
PH
700PH/17 Added dsn_from option to vary the From: line in DSNs.
701
4c590bd1
PH
702PH/18 Flush SMTP output before performing a callout, unless control =
703 no_callout_flush is set.
704
09945f1e
PH
705PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
706 was true (the default) a successful delivery failed to delete the retry
707 item, thus causing premature timeout of the address. The bug is now
708 fixed.
709
c51b8e75
PH
710PH/20 Added hosts_avoid_pipelining to the smtp transport.
711
e28326d8
PH
712PH/21 Long custom messages for fakedefer and fakereject are now split up
713 into multiline reponses in the same way that messages for "deny" and
714 other ACL rejections are.
715
75b1493f
PH
716PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
717 with slight modification.
718
7c5214ec
PH
719PH/23 Applied sieve patches from the maintainer "tracking the latest notify
720 draft, changing the syntax and factoring some duplicate code".
721
4311097e
PH
722PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
723 for deliveries of the second and subsequent messages over the same SMTP
724 connection.
725
29f89cad
PH
726PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
727 ${reduce, with only minor "tidies".
728
5e687460
SC
729SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
730
c3611384
PH
731PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
732 expansion side effects.
733
5a11a7b4
PH
734PH/27 When a message times out after an over-quota error from an Exim-imposed
735 quota, the bounce message says "mailbox is full". This message was not
736 being given when it was a system quota that was exceeded. It now should
737 be the same.
738
0e20aff9
MH
739MH/03 Made $recipients available in local_scan(). local_scan() already has
740 better access to the recipient list through recipients_list[], but
741 $recipients can be useful in postmaster-provided expansion strings.
742
ca86f471
PH
743PH/28 The $smtp_command and $smtp_command_argument variables were not correct
744 in the case of a MAIL command with additional options following the
745 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
746 were accidentally chopped off.
747
a14e5636
PH
748PH/29 SMTP synchronization checks are implemented when a command is read -
749 there is a check that no more input is waiting when there shouldn't be
750 any. However, for some commands, a delay in an ACL can mean that it is
751 some time before the response is written. In this time, more input might
752 arrive, invalidly. So now there are extra checks after an ACL has run for
753 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
754 pipelining has not been advertised.
755
ec95d1a6
PH
756PH/30 MH's patch to allow iscntrl() characters to be list separators.
757
42855d71
PH
758PH/31 Unlike :fail:, a custom message specified with :defer: was not being
759 returned in the SMTP response when smtp_return_error_details was false.
760 This has been fixed.
761
57c2c631
PH
762PH/32 Change the Dovecot authenticator to use read() and write() on the socket
763 instead of the C I/O that was originally supplied, because problems were
764 reported on Solaris.
765
58c01c94
PH
766PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
767 Exim which did not show up earlier: it was assuming that a call to
768 SSL_CTX_set_info_callback() might give an error value. In fact, there is
769 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
770 was a macro that became an assignment, so it seemed to work. This has
771 changed to a proper function call with a void return, hence the compile
772 error. Exim's code has been fixed.
773
dee5a20a
PH
774PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
775 cpus.
776
d2ee6114
PH
777PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
778
b2d5182b
PH
779PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
780
79749a79
PH
781PH/37 If a message is not accepted after it has had an id assigned (e.g.
782 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
783 "Completed" line in the log. When some messages of this type were
784 selected by exigrep, they were listed as "not completed". Others were
785 picked up by some special patterns. I have improved the selection
786 criteria to be more general.
79749a79 787
c456d9bb
PH
788PH/38 The host_find_failed option in the manualroute router can now be set
789 to "ignore", to completely ignore a host whose IP address cannot be
790 found. If all hosts are ignored, the behaviour is controlled by the new
791 host_all_ignored option.
792
cd9868ec
PH
793PH/39 In a list of hosts for manualroute, if one item (either because of multi-
794 homing or because of multiple MX records with /mx) generated more than
795 one IP address, and the following item turned out to be the local host,
796 all the secondary addresses of the first item were incorrectly removed
797 from the list, along with the local host and any following hosts (which
798 is what is supposed to happen).
799
ebeaf996
PH
800PH/40 When Exim receives a message, it writes the login name, uid, and gid of
801 whoever called Exim into the -H file. In the case of the daemon it was
802 behaving confusingly. When first started, it used values for whoever
803 started the daemon, but after a SIGHUP it used the Exim user (because it
804 calls itself on a restart). I have changed the code so that it now always
805 uses the Exim user.
806
2679d413
PH
807PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
808 message are rejected with the same error (e.g. no authentication or bad
809 sender address), and a DATA command is nevertheless sent (as can happen
810 with PIPELINING or a stupid MUA), the error message that was given to the
811 RCPT commands is included in the rejection of the DATA command. This is
812 intended to be helpful for MUAs that show only the final error to their
813 users.
814
84024b72
PH
815PH/42 Another patch from the Sieve maintainer.
816
8005d38e
SC
817SC/02 Eximstats - Differentiate between permanent and temporary rejects.
818 Eximstats - Fixed some broken HTML links and added missing column headers
819 (Jez Hancock).
820 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
821 columns for Rejects, Temp Rejects, Ham, and Spam rows.
822
3298c6c6
SC
823SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
824
a43a27c5
PH
825PH/43 Yet another patch from the Sieve maintainer.
826
58eb016e 827PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
828 the response to the final '.' that terminates a message, but only in the
829 case where the client has not sent further data following the '.'
830 (unfortunately, this is allowed). However, in many cases there won't be
831 any further data because there won't be any more messages to send. A call
832 to select() can be used: if it shows that the input is "ready", there is
833 either input waiting, or the socket has been closed. An attempt to read
834 the next input character can distinguish the two cases. Previously, Exim
58eb016e 835 would have sent an OK response which the client would never have see.
563b63fa
PH
836 This could lead to message repetition. This fix should cure that, at
837 least in a lot of common cases.
58eb016e 838
b43a74ea
PH
839PH/45 Do not advertise STARTTLS in response to HELP unless it would be
840 advertised in response to EHLO.
841
b4ed4da0 842
5dd1517f
PH
843Exim version 4.66
844-----------------
845
846PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
847 fixed by 4.65/MH/01 (is this a record?) are fixed:
848
849 (i) An empty string was always treated as zero by the numeric comparison
850 operators. This behaviour has been restored.
851
852 (ii) It is documented that the numeric comparison operators always treat
853 their arguments as decimal numbers. This was broken in that numbers
854 starting with 0 were being interpreted as octal.
855
856 While fixing these problems I realized that there was another issue that
857 hadn't been noticed. Values of message_size_limit (both the global option
858 and the transport option) were treated as octal if they started with 0.
859 The documentation was vague. These values are now always treated as
860 decimal, and I will make that clear in the documentation.
861
862
93cfa765
TK
863Exim version 4.65
864-----------------
865
866TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
867 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
868 versions. (#438)
869
d6066548
MH
870MH/01 Don't check that the operands of numeric comparison operators are
871 integers when their expansion is in "skipping" mode (fixes bug
872 introduced by 4.64-PH/07).
873
4362ff0d
PH
874PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
875 child addresses, Exim now panics and dies. Previously, because the count
876 is held in a short int, deliveries were likely to be lost. As such a
877 large number of recipients for a single message is ridiculous
878 (performance will be very, very poor), I have chosen to impose a limit
879 rather than extend the field.
880
93cfa765 881
944e9e9c
TF
882Exim version 4.64
883-----------------
aa41d2de 884
21d74bd9
TK
885TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
886 leftover -K file (the existence of which was triggered by #402).
887 While we were at it, introduced process PID as part of the -K
888 filename. This should rule out race conditions when creating
889 these files.
890
891TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
892 processing considerably. Previous code took too long for large mails,
893 triggering a timeout which in turn triggers #401.
894
895TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
896 in the DK code in transports.c. sendfile() is not really portable,
897 hence the _LINUX specificness.
944e9e9c
TF
898
899TF/01 In the add_headers option to the mail command in an Exim filter,
900 there was a bug that Exim would claim a syntax error in any
901 header after the first one which had an odd number of characters
902 in the field name.
903
2b1c6e3a
PH
904PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
905 callout verification, Exim cached a "reject" for the entire domain. This
906 is correct for most verifications, but it is not correct for a recipient
907 verification with use_sender or use_postmaster set, because in that case
908 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
909 case of MAIL FROM:<> rejection from other early rejections (e.g.
910 rejection of HELO). When verifying a recipient using a non-null MAIL
911 address, the cache is ignored if it shows MAIL FROM:<> rejection.
912 Whatever the result of the callout, the value of the domain cache is
913 left unchanged (for any other kind of callout, getting as far as trying
914 RCPT means that the domain itself is ok).
915
1f872c80
PH
916PH/02 Tidied a number of unused variable and signed/unsigned warnings that
917 gcc 4.1.1 threw up.
918
919PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
920 manifest itself as EPIPE rather than ECONNECT. When tidying away a
921 session, the daemon ignores ECONNECT errors and logs others; it now
922 ignores EPIPE as well.
923
d203e649
PH
924PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
925 (quoted-printable decoding).
926
cc2ed8f7 927PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 928 later the small subsequent patch to fix an introduced bug.
f951fd57 929
ddfcd446
PH
930PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
931
d45b1de8
PH
932PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
933
934PH/08 An error is now given if message_size_limit is specified negative.
935
38a0a95f 936PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 937 to be given (somewhat) arbitrary names.
38a0a95f 938
a2405d83
JJ
939JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
940 in 4.64-PH/09.
941
942JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
943 miscellaneous code fixes
944
6ea85e9a
PH
945PH/10 Added the log_reject_target ACL modifier to specify where to log
946 rejections.
947
26da7e20
PH
948PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
949 hostname. This is wrong, because it relates to the incoming message (and
950 probably the interface on which it is arriving) and not to the outgoing
951 callout (which could be using a different interface). This has been
952 changed to use the value of the helo_data option from the smtp transport
953 instead - this is what is used when a message is actually being sent. If
954 there is no remote transport (possible with a router that sets up host
955 addresses), $smtp_active_hostname is used.
6ea85e9a 956
14aa5a05 957PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 958 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
959 (a) The code assumed that strncpy() returns a negative number on buffer
960 overflow, which isn't the case. Replaced with Exim's string_format()
961 function.
962 (b) There were several signed/unsigned issues. I just did the minimum
963 hacking in of casts. There is scope for a larger refactoring.
964 (c) The code used strcasecmp() which is not a standard C function.
965 Replaced with Exim's strcmpic() function.
966 (d) The code set only $1; it now sets $auth1 as well.
967 (e) A simple test gave the error "authentication client didn't specify
968 service in request". It would seem that Dovecot has changed its
969 interface. Fortunately there's a specification; I followed it and
970 changed what the client sends and it appears to be working now.
971
ff75a1f7
PH
972PH/13 Added $message_headers_raw to provide the headers without RFC 2047
973 decoding.
974
e6f6568e
PH
975PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
976 address A is aliased to B and C, where B exists and C does not. Without
977 -v the output is "A verified" because verification stops after a
978 successful redirection if more than one address is generated. However,
979 with -v the child addresses are also verified. Exim was outputting "A
980 failed to verify" and then showing the successful verification for C,
981 with its parentage. It now outputs "B failed to verify", showing B's
982 parentage before showing the successful verification of C.
983
d6f6e0dc
PH
984PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
985 look up a TXT record in a specific list after matching in a combined
986 list.
987
322050c2
PH
988PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
989 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
990 they consult the DNS. I had assumed they would set it the way they
991 wanted; and indeed my experiments on Linux seem to show that in some
992 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
993 To be on the safe side, however, I have now made the interface to
994 host_find_byname() similar to host_find_bydns(), with an argument
995 containing the DNS resolver options. The host_find_byname() function now
996 sets these options at its start, just as host_find_bydns() does. The smtp
997 transport options dns_qualify_single and dns_search_parents are passed to
998 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
999 of host_find_byname() use the default settings of RES_DEFNAMES
1000 (qualify_single) but not RES_DNSRCH (search_parents).
1001
08955dd3
PH
1002PH/17 Applied (a modified version of) Nico Erfurth's patch to make
1003 spool_read_header() do less string testing, by means of a preliminary
1004 switch on the second character of optional "-foo" lines. (This is
1005 overdue, caused by the large number of possibilities that now exist.
1006 Originally there were few.) While I was there, I also converted the
1007 str(n)cmp tests so they don't re-test the leading "-" and the first
1008 character, in the hope this might squeeze out yet more improvement.
1009
1eccaa59
PH
1010PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
1011 flag allowing group syntax was set by the header_syntax check but not
1012 turned off, possible causing trouble later; (2) The flag was not being
1013 set at all for the header_verify test, causing "group"-style headers to
1014 be rejected. I have now set it in this case, and also caused header_
1015 verify to ignore an empty address taken from a group. While doing this, I
1016 came across some other cases where the code for allowing group syntax
1017 while scanning a header line wasn't quite right (mostly, not resetting
1018 the flag correctly in the right place). These bugs could have caused
1019 trouble for malformed header lines. I hope it is now all correct.
1020
602e59e5
PH
1021PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
1022 with the "reply" argument non-NULL. The code, however (which originally
1023 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
1024 but it didn't always do it. This confused somebody who was copying the
1025 code for some other use. I have removed all the tests.
1026
411ef850
PH
1027PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
1028 feature that was used to support insecure browsers during the U.S. crypto
1029 embargo. It requires special client support, and Exim is probably the
1030 only MTA that supported it -- and would never use it because real RSA is
1031 always available. This code has been removed, because it had the bad
1032 effect of slowing Exim down by computing (never used) parameters for the
1033 RSA_EXPORT functionality.
1034
7befa435
PH
1035PH/21 On the advice of Timo Sirainen, added a check to the dovecot
1036 authenticator to fail if there's a tab character in the incoming data
1037 (there should never be unless someone is messing about, as it's supposed
1038 to be base64-encoded). Also added, on Timo's advice, the "secured" option
1039 if the connection is using TLS or if the remote IP is the same as the
1040 local IP, and the "valid-client-cert option" if a client certificate has
1041 been verified.
1042
48da4259 1043PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
1044 authenticators. This can be used for authorization after authentication
1045 succeeds. (In the case of plaintext, it servers for both authentication
1046 and authorization.)
1047
48da4259
PH
1048PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
1049 if any retry times were supplied.
1050
d1d5595c
PH
1051PH/24 Exim crashed if verify=helo was activated during an incoming -bs
1052 connection, where there is no client IP address to check. In this
1053 situation, the verify now always succeeds.
1054
0ef732d9
PH
1055PH/25 Applied John Jetmore's -Mset patch.
1056
328895cc
PH
1057PH/26 Added -bem to be like -Mset, but loading a message from a file.
1058
fd700877
PH
1059PH/27 In a string expansion for a processed (not raw) header when multiple
1060 headers of the same name were present, leading whitespace was being
1061 removed from all of them, but trailing whitespace was being removed only
1062 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
1063 before concatenation. Completely empty headers in a concatenation (as
1064 before) are ignored.
fd700877 1065
8dce1a6f
PH
1066PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
1067 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
1068
17af4a17
PH
1069PH/29 [Removed. This was a change that I later backed out, and forgot to
1070 correct the ChangeLog entry (that I had efficiently created) before
1071 committing the later change.]
f6c332bd
PH
1072
1073PH/30 Exim was sometimes attempting to deliver messages that had suffered
1074 address errors (4xx response to RCPT) over the same connection as other
1075 messages routed to the same hosts. Such deliveries are always "forced",
1076 so retry times are not inspected. This resulted in far too many retries
1077 for the affected addresses. The effect occurred only when there were more
1078 hosts than the hosts_max_try setting in the smtp transport when it had
1079 the 4xx errors. Those hosts that it had tried were not added to the list
1080 of hosts for which the message was waiting, so if all were tried, there
1081 was no problem. Two fixes have been applied:
1082
1083 (i) If there are any address or message errors in an SMTP delivery, none
1084 of the hosts (tried or untried) are now added to the list of hosts
1085 for which the message is waiting, so the message should not be a
1086 candidate for sending over the same connection that was used for a
1087 successful delivery of some other message. This seems entirely
1088 reasonable: after all the message is NOT "waiting for some host".
1089 This is so "obvious" that I'm not sure why it wasn't done
1090 previously. Hope I haven't missed anything, but it can't do any
1091 harm, as the worst effect is to miss an optimization.
1092
1093 (ii) If, despite (i), such a delivery is accidentally attempted, the
1094 routing retry time is respected, so at least it doesn't keep
1095 hammering the server.
1096
c1114884
PH
1097PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
1098 in ${readsocket because some servers need this prod.
1099
7a0743eb
PH
1100PH/32 Added some extra debug output when updating a wait-xxx database.
1101
0d85fa3f
PH
1102PH/33 The hint "could be header name not terminated by colon", which has been
1103 given for certain expansion errors for a long time, was not being given
1104 for the ${if def:h_colon_omitted{... case.
1105
1bf43b78
PH
1106PH/34 The spec says: "With one important exception, whenever a domain list is
1107 being scanned, $domain contains the subject domain." There was at least
1108 one case where this was not true.
1109
520de300
PH
1110PH/35 The error "getsockname() failed: connection reset by peer" was being
1111 written to the panic log as well as the main log, but it isn't really
1112 panic-worthy as it just means the connection died rather early on. I have
1113 removed the panic log writing for the ECONNRESET error when getsockname()
1114 fails.
1115
48c7f9e2
PH
1116PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
1117 runs only) independently of the message's sender address. This meant
1118 that, if the 4xx error was in fact related to the sender, a different
1119 message to the same recipient with a different sender could confuse
1120 things. In particualar, this can happen when sending to a greylisting
1121 server, but other circumstances could also provoke similar problems.
1122 I have changed the default so that the retry time for these errors is now
1123 based a combination of the sender and recipient addresses. This change
1124 can be overridden by setting address_retry_include_sender=false in the
1125 smtp transport.
1126
99ea1c86
PH
1127PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
1128 remote server are returned as part of bounce messages. This was not
1129 happening for LMTP over a pipe (the lmtp transport), but now it is the
1130 same for both kinds of LMTP.
1131
a2042e78
PH
1132PH/38 Despite being documented as not happening, Exim was rewriting addresses
1133 in header lines that were in fact CNAMEs. This is no longer the case.
1134
4fbcfc2e
PH
1135PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
1136 and queue runs started by the daemon processed all messages. This has
1137 been fixed so that -R and -S can now usefully be given with -q<time>.
1138
aa41d2de
PH
1139PH/40 Import PCRE release 6.7 (fixes some bugs).
1140
af561417
PH
1141PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
1142
3cc66b45
PH
1143PH/42 Give an error if -q is specified more than once.
1144
194cc0e4
PH
1145PH/43 Renamed the variables $interface_address and $interface_port as
1146 $received_ip_address and $received_port, to make it clear that these
1147 values apply to message reception, and not to the outgoing interface when
1148 a message is delivered. (The old names remain recognized, of course.)
1149
a401ddaa
PH
1150PH/44 There was no timeout on the connect() call when using a Unix domain
1151 socket in the ${readsocket expansion. There now is.
1152
4e88a19f
PH
1153PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
1154 be meaningful with "accept".
1155
d7d7b289
SC
1156SC/01 Eximstats V1.43
1157 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
1158
1159SC/02 Eximstats V1.44
1160 Use a glob alias rather than an array ref in the generated
1161 parser. This improves both readability and performance.
1162
1163SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
1164 Collect SpamAssassin and rejection statistics.
1165 Don't display local sender or destination tables unless
1166 there is data to show.
1167 Added average volumes into the top table text output.
1168
1169SC/04 Eximstats V1.46
1170 Collect data on the number of addresses (recipients)
1171 as well as the number of messages.
1172
1173SC/05 Eximstats V1.47
1174 Added 'Message too big' to the list of mail rejection
1175 reasons (thanks to Marco Gaiarin).
1176
1177SC/06 Eximstats V1.48
1178 Mainlog lines which have GMT offsets and are too short to
1179 have a flag are now skipped.
1180
1181SC/07 Eximstats V1.49 (Alain Williams)
1182 Added the -emptyok flag.
1183
1184SC/08 Eximstats V1.50
1185 Fixes for obtaining the IP address from reject messages.
1186
0ea2a468
JJ
1187JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
1188 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
1189 whitesspace changes from 4.64-PH/27
1190
1191JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
1192 match 4.64-PH/13
1193
1194JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
1195 are found, allow negative numbers in numeric criteria)
1196
1197JJ/06 exipick.20061117.2, added new $message_body_missing variable
1198
1199JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
1200 to match changes made in 4.64-PH/43
1201
8a10f5a4
PH
1202PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
1203
30e18802
PH
1204PH/47 Put in an explicit test for a DNS lookup of an address record where the
1205 "domain" is actually an IP address, and force a failure. This locks out
1206 those revolvers/nameservers that support "A-for-A" lookups, in
1207 contravention of the specifications.
1208
55728a4f
PH
1209PH/48 When a host name was looked up from an IP address, and the subsequent
1210 forward lookup of the name timed out, the host name was left in
1211 $sender_host_name, contrary to the specification.
d7d7b289 1212
d7837193
PH
1213PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1214 restricted to single-key lookups, Exim was not diagnosing an error if
1215 * or *@ was used with a query-style lookup.
1216
87054a31
PH
1217PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1218
ea2c01d2
MH
1219MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1220 long ago, but noone interested enough thought of it. Let's just say that
1221 the "1.1" means that there are some new functions that weren't there at
1222 some point in the past.
1223
e4fa6968
PH
1224PH/51 Error processing for expansion failure of helo_data from an smtp
1225 transport during callout processing was broken.
1226
56f5d9bd
PH
1227PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1228 tested/used via the -bh/-bhc/-bs options.
1229
922e1c28
PH
1230PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1231 bug, fixed in subsequent PCRE releases).
1232
21eb6e72
PH
1233PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1234 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1235
a0540757
PH
1236PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1237
944e9e9c 1238
478be7b0
SC
1239Exim version 4.63
1240-----------------
1241
1242SC/01 Use a glob alias rather than an array ref in eximstats generated
1243 parser. This improves both readability and performance.
1244
1245SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1246 Don't display local sender or destination tables in eximstats unless
1247 there is data to show.
1248 Added average volumes into the eximstats top table text output.
1249
1250SC/03 Collect data on the number of addresses (recipients) as well
1251 as the number of messages in eximstats.
1252
2b965a65
TF
1253TF/01 Correct an error in the documentation for the redirect router. Exim
1254 does (usually) call initgroups() when daemonizing.
478be7b0 1255
45b91596
PH
1256TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1257 with consistent privilege compared to when running as a daemon.
478be7b0 1258
c59f5781
TF
1259TF/03 Note in the spec that $authenticated_id is not set for local
1260 submissions from trusted users.
1261
90fc3069
TF
1262TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1263 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1264
6083aca0
TF
1265TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1266 by adding some example configuration directives to the default
1267 configuration file. A little bit of work is required to uncomment the
1268 directives and define how usernames and passwords are checked, but
1269 there is now a framework to start from.
1270
765b530f
PH
1271PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1272 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1273 without this. I don't know how relevant this is to other LDAP libraries.
1274
4e167a8c
PH
1275PH/02 Add the verb name to the "unknown ACL verb" error.
1276
4608d683
PH
1277PH/03 Magnus Holmgren's patch for filter_prepend_home.
1278
b8dc3e4a
PH
1279PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1280
5418e93b
PH
1281PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1282 directory not expanded when it should be if an expanded home directory
1283 was set for the address (which is overridden by the transport).
1284
b4a9bda2
PH
1285PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1286 libradius.
1287
45b91596
PH
1288PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1289 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1290 because it is too late at that time, and has no effect.
1291
5547e2c5
PH
1292PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1293 security issue with \' (bugzilla #107). I could not use the
1294 PQescapeStringConn() function, because it needs a PGconn value as one of
1295 its arguments.
1296
dbcef0ea
PH
1297PH/08 When testing addresses using -bt, indicate those final addresses that
1298 are duplicates that would not cause an additional delivery. At least one
1299 person was confused, thinking that -bt output corresponded to deliveries.
1300 (Suppressing duplicates isn't a good idea as you lose the information
1301 about possibly different redirections that led to the duplicates.)
1302
25257489
PH
1303PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1304 systems where poll() doesn't work, in particular OS X.
1305
c816d124
PH
1306PH/10 Added more information to debugging output for retry time not reached.
1307
a9ccd69a
PH
1308PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1309 operations in malware.c.
1310
75fa1910
PH
1311PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1312 signatures.
1313
a7d7aa58
PH
1314PH/13 If write_rejectlog was set false when logging was sent to syslog with
1315 syslog_duplication set false, log lines that would normally be written
1316 both the the main log and to the reject log were not written to syslog at
1317 all.
1318
42119b09
PH
1319PH/14 In the default configuration, change the use of "message" in ACL warn
1320 statements to "add_header".
1321
41609df5
PH
1322PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1323 not followed by a command (e.g. "seen endif").
1324
a5bd321b
PH
1325PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1326 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1327 latter.
1328
e85a7ad5 1329PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1330 so that it is now:
1331
e85a7ad5
PH
1332 ${if or { \
1333 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1334 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1335 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1336 }{no}{yes}}
1337
e85a7ad5
PH
1338 The Auto-Submitted: and various List- headers are standardised, whereas I
1339 don't think Precedence: ever was.
5dff5817 1340
d8fe1c03
PH
1341PH/18 Refactored debugging code in route_finduser() to show more information,
1342 in particular, the error code if getpwnam() issues one.
1343
16282d2b
PH
1344PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1345 This is apparently needed in addition to the PH/07 change above to avoid
1346 any possible encoding problems.
1347
35d40a98
PH
1348PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1349 but not after initializing Perl.
1350
034d99ab
PH
1351PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1352 output them only if debugging. By default they are written stderr,
1353 apparently, which is not desirable.
1354
6ec97b1b
PH
1355PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1356 queries.
1357
e22ca4ac
JJ
1358JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1359 --not options
1360
1361JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1362
33d73e3b
PH
1363PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1364 authenticated or an ident call has been made. Suppress the default
1365 values for $authenticated_id and $authenticated_sender (but permit -oMai
1366 and -oMas) when testing with -bh.
1367
9ecb03f3
PH
1368PH/24 Re-jigged the order of the tests in the default configuration so that the
1369 tests for valid domains and recipients precede the DNS black list and CSA
1370 tests, on the grounds that those ones are more expensive.
1371
084efe8d
PH
1372PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1373 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1374 This bug exists in every version of Exim that I still have, right back to
1375 0.12.
1376
366fc9f0
PH
1377PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1378 However, an attempt to turn on case-sensitivity in a regex key by
1379 including (?-i) didn't work because the subject string was already
1380 lowercased, and the effects were non-intuitive. It turns out that a
1381 one-line patch can be used to allow (?-i) to work as expected.
1382
c59f5781 1383
c887c79e
TF
1384Exim version 4.62
1385-----------------
1386
1387TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1388 other effects) broke the use of negated acl sub-conditions.
1389
1cce3af8
PH
1390PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1391 patch).
1392
afb3eaaf
PH
1393PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1394 "Deny" causes Exim to reject the incoming connection with a 554 error.
1395 Unfortunately, if there is a major crisis, such as a disk failure,
1396 tcp-wrappers gives "deny", whereas what one would like would be some
1397 kind of temporary error. A kludge has been added to help with this.
1398 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1399 554 error is used if errno is still zero or contains ENOENT (which occurs
1400 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1401 451 error is used.
1402
e173618b
PH
1403PH/03 Add -lutil to the default FreeBSD LIBS setting.
1404
dd16e114
PH
1405PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1406 errors. Otherwise a message that provokes a temporary error (when other
1407 messages do not) can cause a whole host to time out.
1408
f7fd3850
PH
1409PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1410 addresses were routed directly to files or pipes from a redirect router.
1411 File deliveries just didn't batch; pipe deliveries might have suffered
1412 odd errors.
1413
d87df92c
PH
1414PH/06 A failure to get a lock for a hints database would erroneously always say
1415 "Failed to get write lock", even when it was really a read lock.
1416
7e9f683d
PH
1417PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1418 of 0600. This has been changed to use the value of the lockfile_mode
1419 option (which defaults to 0600).
1420
bfad5236
PH
1421PH/08 Applied small patch from the Sieve maintainer.
1422
01c490df
PH
1423PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1424 folder from quota calculations, a direct delivery into this folder messed
1425 up the contents of the maildirsize file. This was because the regex was
1426 used only to exclude .Trash (or whatever) when the size of the mailbox
1427 was calculated. There was no check that a delivery was happening into an
1428 excluded directory. This bug has been fixed by ignoring all quota
1429 processing for deliveries into excluded directories.
1430
d6629cdc
PH
1431PH/10 Added the maildirfolder_create_regex option to appendfile.
1432
1cce3af8 1433
214e2000
PH
1434Exim version 4.61
1435-----------------
1436
1437PH/01 The code for finding all the local interface addresses on a FreeBSD
1438 system running IPv6 was broken. This may well have applied to all BSD
1439 systems, as well as to others that have similar system calls. The broken
1440 code found IPv4 interfaces correctly, but gave incorrect values for the
1441 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1442 that it would not match correctly against @[] and not recognize the IPv6
1443 addresses as local.
1444
f9daeae0
PH
1445PH/02 The ipliteral router was not recognizing addresses of the form user@
1446 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1447
7e66e54d
PH
1448PH/03 Added disable_ipv6.
1449
c8ea1597
PH
1450PH/04 Changed $reply_address to use the raw form of the headers instead of the
1451 decoded form, because it is most often used to construct To: headers
1452 lines in autoreplies, and the decoded form may well be syntactically
1453 invalid. However, $reply_address has leading white space removed, and all
1454 newlines turned into spaces so that the autoreply transport does not
1455 grumble.
1456
911f6fde
PH
1457PH/05 If group was specified without a user on a router, and no group or user
1458 was specified on a transport, the group from the router was ignored.
1459
47ca6d6c
PH
1460PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1461 for visible compile-time settings that can be used to change these
1462 numbers, for those that want even more. Backwards compatibility with old
1463 spool files has been maintained. However, going back to a previous Exim
1464 release will lost any variables that are in spool files.
1465
ed0e9820
PH
1466PH/07 Two small changes when running in the test harness: increase delay when
1467 passing a TCP/IP connection to a new process, in case the original
1468 process has to generate a bounce, and remove special handling of
1469 127.0.0.2 (sic), which is no longer necessary.
1470
eff37e47
PH
1471PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1472 be the same on different OS.
1473
1921d2ea
PH
1474PH/09 Moved a debug statement in filter processing to avoid a race problem when
1475 testing.
1476
b3f69ca8
JJ
1477JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1478 whether --show-vars was specified or not
1479
1480JJ/02 exipick: Added support for new ACL variable spool format introduced
1481 in 4.61-PH/06
1482
424a1c63
PH
1483PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1484 syntactically invalid From: or Reply-to: line, and a filter used this to
1485 generate an autoreply, and therefore failed to obtain an address for the
1486 autoreply, Exim could try to deliver to a non-existent relative file
1487 name, causing unrelated and misleading errors. What now happens is that
1488 it logs this as a hard delivery error, but does not attempt to create a
1489 bounce message.
1490
7a100415
PH
1491PH/11 The exinext utility has a -C option for testing purposes, but although
1492 the given file was scanned by exinext itself; it wasn't being passed on
1493 when Exim was called.
1494
19b9dc85
PH
1495PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1496 an end-of-file indication when reading a command response.
1497
309bd837
PH
1498PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1499 compiled. In many other places in Exim, IPv6 addresses are always
1500 recognized, so I have changed this. It also means that IPv4 domain
1501 literals of the form [IPV4:n.n.n.n] are now always recognized.
1502
59e82a2a
PH
1503PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1504 used if the router is not running as root, for example, when verifying at
1505 ACL time, or when using -bh. The debugging output from this situation was
1506 non-existent - all you got was a failure to exec. I have made two
1507 changes:
1508
1509 (a) Failures to set uid/gid, the current directory, or a process leader
1510 in a subprocess such as that created by queryprogram now generate
1511 suitable debugging ouput when -d is set.
1512
1513 (b) The queryprogram router detects when it is not running as root,
1514 outputs suitable debugging information if -d is set, and then runs
1515 the subprocess without attempting to change uid/gid.
1516
9edc04ce
PH
1517PH/15 Minor change to Makefile for building test_host (undocumented testing
1518 feature).
1519
1349e1e5
PH
1520PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1521 additional section of a DNS packet that returns MX or SRV records.
1522 Instead, it always explicitly searches for A/AAAA records. This avoids
1523 major problems that occur when a DNS server includes only records of one
1524 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1525 fixed another bug: if SRV records were looked up and the corresponding
1526 address records were *not* found in the additional section, the port
1527 values from the SRV records were lost.
1528
ea49d0e1
PH
1529PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1530 using the correct key (the original address) when searching the retry
1531 rules in order to find which one to use for generating the retry hint.
1532
064a94c9
PH
1533PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1534 adding the default one. Similarly, if it contains a Reply-To: header, the
1535 errors_reply_to option, if set, is not used.
1536
727071f8
PH
1537PH/19 When calculating a retry time, Exim used to measure the "time since
1538 failure" by looking at the "first failed" field in the retry record. Now
1539 it does not use this if it is later than than the arrival time of the
1540 message. Instead it uses the arrival time. This makes for better
1541 behaviour in cases where some deliveries succeed, thus re-setting the
1542 "first failed" field. An example is a quota failure for a huge message
1543 when small messages continue to be delivered. Without this change, the
1544 "time since failure" will always be short, possible causing more frequent
1545 delivery attempts for the huge message than are intended.
dd16e114 1546 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1547
f78eb7c6
PH
1548PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1549 $1, $2, $3) because the numerical variables can be reset during some
1550 expansion items (e.g. "match"), thereby losing the authentication data.
1551
21c28500
PH
1552PH/21 Make -bV show the size of off_t variables so that the test suite can
1553 decide whether to run tests for quotas > 2G.
1554
1555PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1556 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1557 filecount value is greater than 2G or if a quota value is greater than 2G
1558 on a system where the size of off_t is not greater than 4, a panic error
1559 is given.
1560
1688f43b
PH
1561PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1562 never match. The debug and -bh output now contains an explicit error
1563 message indicating a malformed IPv4 address or mask.
1564
1565PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1566 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1567 PH/23 above applies.
1568
9675b384
PH
1569PH/25 Do not write to syslog when running in the test harness. The only
1570 occasion when this arises is a failure to open the main or panic logs
1571 (for which there is an explicit test).
1572
6a3f1455
PH
1573PH/26 Added the /no_tell option to "control=freeze".
1574
dac79d3e
PH
1575PH/27 If a host name lookup failed very early in a connection, for example, if
1576 the IP address matched host_lookup and the reverse lookup yielded a name
1577 that did not have a forward lookup, an error message of the form "no IP
1578 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1579 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1580
5977a0b3
PH
1581PH/28 An enabling patch from MH: add new function child_open_exim2() which
1582 allows the sender and the authenticated sender to be set when
1583 submitting a message from within Exim. Since child_open_exim() is
1584 documented for local_scan(), the new function should be too.
1585
c91535f3
PH
1586PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1587 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1588 results in an empty string is now treated as unset.
1589
0d46a8c8
PH
1590PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1591
278c6e6c
PH
1592PH/31 Added sender_verify_fail logging option.
1593
2cbb4081
PH
1594PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1595 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1596 tidied the source and removed it altogether.
1597
3eef829e
PH
1598PH/33 When a queue run was abandoned because the load average was too high, a
1599 log line was always written; now it is written only if the queue_run log
1600 selector is set. In addition, the log line for abandonment now contains
1601 information about the queue run such as the pid. This is always present
1602 in "start" and "stop" lines but was omitted from the "abandon" line.
1603
1ab95fa6
PH
1604PH/34 Omit spaces between a header name and the colon in the error message that
1605 is given when verify = headers_syntax fails (if there are lots of them,
1606 the message gets confusing).
1607
230205fc
PH
1608PH/35 Change the default for dns_check_names_pattern to allow slashes within
1609 names, as there are now some PTR records that contain slashes. This check
1610 is only to protect against broken name servers that fall over on strange
1611 characters, so the fact that it applies to all lookups doesn't matter.
1612
75e0e026
PH
1613PH/36 Now that the new test suite is complete, we can remove some of the
1614 special code in Exim that was needed for the old test suite. For example,
1615 sorting DNS records because real resolvers return them in an arbitrary
1616 order. The new test suite's fake resolver always returns records in the
1617 same order.
1618
1619PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1620 bounces) except when queue_only is set, to avoid logging races between
1621 the different processes.
1622
145396a6
PH
1623PH/38 Panic-die if .include specifies a non-absolute path.
1624
3cd34f13
PH
1625PH/39 A tweak to the "H" retry rule from its user.
1626
11121d3d
JJ
1627JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1628 a label. They prevented compilation on older perls.
1629
1630JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1631 a warning to be raised on newish perls.
1632
1633JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1634 on queue. Changes to match documented behaviour of showing count of
1635 messages matching specified criteria.
1636
8def5aaf
PH
1637PH/40 Changed the default ident timeout from 30s to 5s.
1638
929ba01c
PH
1639PH/41 Added support for the use of login_cap features, on those BSD systems
1640 that have them, for controlling the resources used by pipe deliveries.
1641
2632889e
PH
1642PH/42 The content-scanning code uses fopen() to create files in which to put
1643 message data. Previously it was not paying any attention to the mode of
1644 the files. Exim runs with umask(0) because the rest of the code creates
1645 files with open(), and sets the required mode explicitly. Thus, these
1646 files were ending up world-writeable. This was not a big issue, because,
1647 being within the spool directory, they were not world-accessible. I have
1648 created a function called modefopen, which takes an additional mode
1649 argument. It sets umask(777), creates the file, chmods it to the required
1650 mode, then resets the umask. All the relevant calls to fopen() in the
1651 content scanning code have been changed to use this function.
1652
944a9c55
PH
1653PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1654 to 24 hours. This avoids potential overflow problems when processing G
1655 and H retry rules. I suspect nobody ever tinkers with this value.
1656
4a23603b
PH
1657PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1658
4730f942
PH
1659PH/45 When the plaintext authenticator is running as a client, the server's
1660 challenges are checked to ensure they are valid base64 strings. By
1661 default, the authentication attempt is cancelled if an invalid string is
1662 received. Setting client_ignore_invalid_base64 true ignores these errors.
1663 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1664 they are received. Thus, the responses can be made to depend on the
1665 challenges. If an invalid string is ignored, an empty string is placed in
1666 the variable.
1667
30dba1e6
PH
1668PH/46 Messages that are created by the autoreply transport now contains a
1669 References: header, in accordance with RFCs 2822 and 3834.
1670
382afc6b
PH
1671PH/47 Added authenticated_sender_force to the smtp transport.
1672
a86229cf
PH
1673PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1674
50c99ba6
PH
1675PH/49 Installed latest patch from the Sieve maintainer.
1676
d35e429d
PH
1677PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1678 was also set, the appendfile transport was unnecessarily scanning a
1679 directory of message files (e.g. for maildir delivery) to find the count
1680 of files (along with the size), even though it did not need this
1681 information. It now does the scan only if it needs to find either the
1682 size of the count of files.
1683
f90d018c
PH
1684PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1685
75def545
PH
1686PH/52 Two bugs concerned with error handling when the smtp transport is
1687 used in LMTP mode:
1688
1689 (i) Exim was not creating retry information for temporary errors given
1690 for individual recipients after the DATA command when the smtp transport
1691 was used in LMTP mode. This meant that they could be retried too
1692 frequently, and not timed out correctly.
1693
1694 (ii) Exim was setting the flag that allows error details to be returned
1695 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1696 recipients that were returned after the DATA command.
1697
1698PH/53 This is related to PH/52, but is more general: for any failing address,
1699 when detailed error information was permitted to be returned to the
1700 sender, but the error was temporary, then after the final timeout, only
1701 "retry timeout exceeded" was returned. Now it returns the full error as
1702 well as "retry timeout exceeded".
1703
c46782ef
PH
1704PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1705 do this, and (what is worse) MTAs that accept it.
1706
71fafd95
PH
1707PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1708 will now be deprecated.
1709
2c5db4fd
PH
1710PH/56 New os.c-cygwin from the Cygwin maintainer.
1711
9cf6b11a
JJ
1712JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1713 formats (previously only available in exim formats via -bpr, -bpru,
1714 and -bpra. Now also available in native and exiqgrep formats)
1715
1716JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1717 with very large, slow to parse queues
1718
1719JJ/08 exipick: added ! as generic prefix to negate any criteria format
1720
1721JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1722
898d150f
PH
1723PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1724 responses to authentication challenges, though it was showing the
1725 challenges; (ii) I've removed the CR characters from the debug output for
1726 SMTP output lines.
1727
46218253
PH
1728PH/58 Allow for the insertion of a newline as well as a space when a string
1729 is turned into more than one encoded-word during RFC 2047 encoding. The
1730 Sieve code now uses this.
1731
e97957bc
PH
1732PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1733 data_4xx, lost_connection, tls_required.
1734
81e509d7
PH
1735PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1736 message was being sent as an SMTP response.
1737
3d240ff7
PH
1738PH/61 Add -l and -k options to exicyclog.
1739
b37c4101
PH
1740PH/62 When verifying, if an address was redirected to one new address, so that
1741 verification continued, and the new address failed or deferred after
1742 having set something in $address_data, the value of $address_data was not
1743 passed back to the ACL. This was different to the case when no
1744 redirection occurred. The value is now passed back in both cases.
1745
79378e0f
PH
1746PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1747 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1748 use login_cap.h, so on its own it isn't the distinguishing feature. The
1749 new name refers directly to the setclassresources() function.
1750
e49c7bb4
PH
1751PH/65 Added configuration files for NetBSD3.
1752
d114ec46
PH
1753PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1754
f3d7df6c
PH
1755PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1756 is preferred over IPv4.
1757
715ab376
PH
1758PH/68 The bounce_return_message and bounce_return_body options were not being
1759 honoured for bounces generated during the reception of non-SMTP messages.
1760 In particular, this applied to messages rejected by the ACL. This bug has
1761 been fixed. However, if bounce_return_message is true and bounce_return_
1762 body is false, the headers that are returned for a non-SMTP message
1763 include only those that have been read before the error was detected.
1764 (In the case of an ACL rejection, they have all been read.)
1765
6b31b150
PH
1766PH/69 The HTML version of the specification is now built in a directory called
1767 spec_html instead of spec.html, because the latter looks like a path with
1768 a MIME-type, and this confuses some software.
1769
1770PH/70 Catch two compiler warnings in sieve.c.
1771
d515a917
PH
1772PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1773 function verify_get_ident() calls ip_connect() to connect a socket, but
1774 if the "connect()" function timed out, ip_connect() used to close the
1775 socket. However, verify_get_ident() also closes the socket later, and in
1776 between Exim writes to the log, which may get opened at this point. When
1777 the socket was closed in ip_connect(), the log could get the same file
1778 descriptor number as the socket. This naturally causes chaos. The fix is
1779 not to close the socket in ip_connect(); the socket should be closed by
1780 the function that creates it. There was only one place in the code where
1781 this was missing, in the iplookup router, which I don't think anybody now
1782 uses, but I've fixed it anyway.
1783
9b8fadde
PH
1784PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1785 well as to direct DNS lookups. Otherwise the handling of names in host
1786 lists is inconsistent and therefore confusing.
1787
214e2000 1788
5de37277
PH
1789Exim version 4.60
1790-----------------
1791
cc38ddbf
PH
1792PH/01 Two changes to the default runtime configuration:
1793
1794 (1) Move the checks for relay_from_hosts and authenticated clients from
1795 after to before the (commented out) DNS black list checks.
1796
1797 (2) Add control=submission to the relay_from_hosts and authenticated
1798 clients checks, on the grounds that messages accepted by these
1799 statements are most likely to be submissions.
5de37277 1800
72fdd6ae
PH
1801PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1802
1803 (1) Generate an error if the third argument for the ${prvs expansion is
1804 not a single digit.
1805
1806 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1807 string.
1808
1809 (3) Reset the variables that are obtained from the first argument of
1810 ${prvscheck and used in the second argument before leaving the code,
1811 because their memory is reclaimed, so using them afterwards may do
1812 silly things.
1813
1814 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1815 one (it's much easier than Tom thought :-).
1816
1817 (5) Because of (4), we can now allow for the use of $prvscheck_result
1818 inside the third argument.
cb9328de 1819
cb741023
PH
1820PH/03 For some reason, the default setting of PATH when running a command from
1821 a pipe transport was just "/usr/bin". I have changed it to
1822 "/bin:/usr/bin".
1823
f174f16e
PH
1824PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1825 anything to be listed in the output from -bV.
b2f5a032 1826
c25242d7
PH
1827PH/05 When a filter generated an autoreply, the entire To: header line was
1828 quoted in the delivery log line, like this:
1829
1830 => >A.N.Other <ano@some.domain> <original@ddress> ...
1831
1832 This has been changed so that it extracts the operative address. There
1833 may be more than one such address. If so, they are comma-separated, like
1834 this:
1835
1836 => >ano@some.domain,ona@other.domain <original@ddress> ...
1837
82c19f95
PH
1838PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1839 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1840 not being looked up in the rDNS to get a host name, Exim was showing the
1841 IP address twice in Received: lines, even though the IP addresses were
1842 identical. For example:
1843
1844 Received: from [1.2.3.4] (helo=[1.2.3.4])
1845
1846 However, if the real host name was known, it was omitting the HELO data
1847 if it matched the actual IP address. This has been tidied up so that it
1848 doesn't show the same IP address twice.
1849
d7ffbc12
PH
1850PH/07 When both +timestamp and +memory debugging was on, the value given by
1851 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1852 called by the debug printing, thereby overwriting the timestamp buffer.
1853 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1854
9f526266
PH
1855PH/08 When the original message was included in an autoreply transport, it
1856 always said "this is a copy of the message, including all the headers",
1857 even if body_only or headers_only was set. It now gives an appropriate
1858 message.
1859
87fcc8b9
PH
1860PH/09 Applied a patch from the Sieve maintainer which:
1861
1862 o fixes some comments
1863 o adds the (disabled) notify extension core
1864 o adds some debug output for the result of if/elsif tests
1865 o points to the current vacation draft in the documentation
1866 and documents the missing references header update
1867
1868 and most important:
1869
1870 o fixes a bug in processing the envelope test (when testing
1871 multiple envelope elements, the last element determinted the
1872 result)
1873
456682f5
PH
1874PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1875 Electronic Mail") by including:
1876
1877 Auto-submitted: auto-generated
1878
1879 in the messages that it generates (bounce messages and others, such as
1880 warnings). In the case of bounce messages for non-SMTP mesages, there was
1881 also a typo: it was using "Auto_submitted" (underscore instead of
1882 hyphen). Since every message generated by Exim is necessarily in response
1883 to another message, thes have all been changed to:
1884
1885 Auto-Submitted: auto-replied
1886
1887 in accordance with these statements in the RFC:
1888
1889 The auto-replied keyword:
1890
1891 - SHOULD be used on messages sent in direct response to another
1892 message by an automatic process,
1893
1894 - MUST NOT be used on manually-generated messages,
1895
1896 - MAY be used on Delivery Status Notifications (DSNs) and Message
1897 Disposition Notifications (MDNs),
1898
1899 - MUST NOT be used on messages generated by automatic or periodic
1900 processes, except for messages which are automatic responses to
1901 other messages.
1902
3e46c1aa
PH
1903PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1904 to the default Received: header definition.
456682f5 1905
49826d12
PH
1906PH/12 Added log selector acl_warn_skipped (default on).
1907
eba0c039
PH
1908PH/13 After a successful wildlsearch lookup, discard the values of numeric
1909 variables because (a) they are in the wrong storage pool and (b) even if
1910 they were copied, it wouldn't work properly because of the caching.
1911
a0d6ba8a
PH
1912PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1913 checking when decoding. Apparently there are clients that generate
1914 overlong encoded strings. Why am I not surprised?
1915
f0917727
PH
1916PH/15 If the first argument of "${if match_address" was not empty, but did not
1917 contain an "@" character, Exim crashed. Now it writes a panic log message
1918 and treats the condition as false.
1919
096fee00
PH
1920PH/16 In autoreply, treat an empty string for "once" the same as unset.
1921
024bd3c2
PH
1922PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1923 extension "envelope-auth". The code is finished and in agreement with
1924 other implementations, but there is no documentation so far and in fact,
1925 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1926 not changing the active code.
1927
1928 Print executed "if" and "elsif" statements when debugging is used. This
1929 helps a great deal to understand what a filter does.
1930
1931 Document more things not specified clearly in RFC3028. I had all this
1932 sorted out, when out of a sudden new issues came to my mind. Oops."
1933
df199fec
PH
1934PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1935 (Bugzilla #53).
1936
d27f1df3
PH
1937PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1938 canonical form (as documented). However, after a host name lookup from
1939 the IP address, check_host() was doing a simple string comparison with
1940 addresses acquired from the DNS when checking that the found name did
1941 have the original IP as one of its addresses. Since any found IPv6
1942 addresses are likely to be in abbreviated form, the comparison could
1943 fail. Luckily, there already exists a function for doing the comparison
1944 by converting both addresses to binary, so now that is used instead of
1945 the text comparison.
1946
96776534
PH
1947PH/20 There was another similar case to PH/19, when a complete host name was
1948 given in a host list; looking up its IP address could give an abbreviated
1949 form, whereas the current host's name might or might not be abbreviated.
1950 The same fix has been applied.
1951
5de37277 1952
9a799bc0
PH
1953Exim version 4.54
1954-----------------
1955
1956PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1957 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1958 It now does.
1959
99a4b039
PH
1960PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1961 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1962
1963PH/03 Typo: missing ".o" in src/pcre/Makefile.
1964
4b233853
PH
1965PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1966 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1967 Also, for "Auto-Submitted", treat anything other than "no" as
1968 non-personal, in accordance with RFC 3834. (Previously it treated
1969 anything starting "auto-" as non-personal.)
1970
8857ccfd
PH
1971TF/01 The control=submission/name=... option had a problem with syntax
1972 errors if the name included a slash character. The /name= option
1973 now slurps the rest of the string, so it can include any characters
1974 but it must come last in the list of options (after /sender_retain
1975 or /domain=).
1976
433a2980
PH
1977PH/05 Some modifications to the interface to the fake nameserver for the new
1978 testing suite.
1979
3e46c1aa 1980
9a799bc0 1981
e3a311ba
TK
1982Exim version 4.53
1983-----------------
1984
1985TK/01 Added the "success_on_redirect" address verification option. See
1986 NewStuff for rationale and an example.
1987
13b685f9
PH
1988PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1989
395ff96d
PH
1990PH/02 Patch to exigrep to allow it to work on syslog lines.
1991
5b68f6e4
PH
1992PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1993 fread() to skip over the body file's header line, because in Cygwin the
1994 header line is locked and is inaccessible.
1995
1ab52c69
PH
1996PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1997 co-exist for some time) to make it clear that it is the Exim ID that is
1998 referenced, not the Message-ID: header line.
1999
b07e6aa3
PH
2000PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
2001 string_format() function, because snprintf() does not exist on all
2002 operating systems.
2003
254e032f
PH
2004PH/06 The use of forbid_filter_existstest now also locks out the use of the
2005 ${stat: expansion item.
2006
3af76a81
PH
2007PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
2008 protocol synchronization error", to keep the pedants happy.
2009
2548ba04
PH
2010PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
2011 well as for IRIX systems, when gcc is being used. See the host.c source
2012 file for comments.
2013
b6c6011d
PH
2014PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
2015
cf39cf57
PH
2016PH/10 Named domain lists were not working if used in a queue_smtp_domains
2017 setting.
2018
f1513293
PH
2019PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
2020 transport and to the smtp transport in LMTP mode.
2021
727549a4
PH
2022TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
2023
af46795e
PH
2024PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
2025 run a filter in a subprocess. This could lead to confusion in subsequent
2026 lookups in the parent process. There should also be a search_tidyup() at
2027 the end of the subprocess.
2028
d7b47fd0
PH
2029PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
2030 only if the host matched helo_try_verify_hosts, which caused the
2031 verification to occur when the EHLO/HELO command was issued. The ACL just
2032 tested the remembered result. Now, if a previous verification attempt has
2033 not happened, "verify = helo" does it there and then.
2034
ee744174
JJ
2035JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
2036
b582ab87
PH
2037TK/03 Fix log output including CR from clamd.
2038
41a13e0a
PH
2039PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
2040 exist provoked a memory error which could cause a segfault.
2041
f625cc5a
PH
2042PH/15 Installed PCRE 6.2
2043
2044PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
2045
21f7af35
PH
2046PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
2047 of the problem. Specifically, suggested +O2 rather than +O1 for the
2048 HP-UX compiler.
2049
31480e42
PH
2050PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
2051
2d280592
PH
2052PH/20 If a delivery was routed to a non-standard port by means of an SRV
2053 record, the port was not correctly logged when the outgoing_port log
2054 selector was set (it logged the transort's default port).
2055
7cd1141b
PH
2056PH/21 Added support for host-specific ports to manualroute, queryprogram,
2057 fallback_hosts, and "hosts" in the smtp transport.
2058
2059PH/22 If the log selector "outgoing_port" is set, the port is now also given on
2060 host errors such as "Connection refused".
2061
750af86e
PH
2062PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
2063 authentication with radiusclient 0.4.9:
2064
2065 - Error returned from rc_read_config was caught wrongly
2066 - Username/password not passed on to radius server due to wrong length.
2067
2068 The presumption is that some radiusclient API changes for 4.51/PH/17
2069 were not taken care of correctly. The code is still untested by me (my
2070 Linux distribution still has 0.3.2 of radiusclient), but it was
2071 contributed by a Radius user.
2072
2073PH/24 When doing a callout, the value of $domain wasn't set correctly when
2074 expanding the "port" option of the smtp transport.
2075
4304270b
TK
2076TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
2077 while reading a MIME header. Thanks to Tom Hughes for a patch.
2078
750af86e
PH
2079PH/24 Include config.h inside local_scan.h so that configuration settings are
2080 available.
2081
64ffc24f
PH
2082PH/25 Make $smtp_command_argument available after all SMTP commands. This means
2083 that in an ACL for RCPT (for example), you can examine exactly what was
2084 received.
2085
5dd9625b
PH
2086PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
2087 commands, but it was not correctly comparing the address with the actual
2088 client host address. Thus, it would show the EHLO address in Received:
2089 header lines when this was not necessary.
2090
5591031b
PH
2091PH/27 Added the % operator to ${eval:}.
2092
ba18e66a
PH
2093PH/28 Exim tries to create and chdir to its spool directory when it starts;
2094 it should be ignoring failures (because with -C, for example, it has lost
2095 privilege). It wasn't ignoring creation failures other than "already
2096 exists".
2097
9cec981f
PH
2098PH/29 Added "crypteq" to the list of supported features that Exim outputs when
2099 -bV or -d is used.
2100
aa2b5c79
PH
2101PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
2102 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
2103 too many continuations, the temporary file was not being removed, and the
2104 return code was incorrect.
aa2b5c79 2105
48a53b7f
PH
2106PH/31 Missing "BOOL" in function definition in filtertest.c.
2107
1c59d63b
PH
2108PH/32 Applied Sieve patches from the maintainer.
2109
671012da
TK
2110TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
2111
1509d3a8
PH
2112PH/33 Added "verify = not_blind".
2113
2114PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
2115 Local/Makefile (with some defaults set). These are used in built scripts
2116 such as exicyclog, but they have never been used in the exim_install
2117 script (though there are many overriding facilities there). I have
2118 arranged that the exim_install script now takes note of these two
2119 settings.
2120
2121PH/35 Installed configuration files for Dragonfly.
2122
2fe1a124
PH
2123PH/36 When a locally submitted message by a trusted user did not contain a
2124 From: header, and the sender address was obtained from -f or from an SMTP
2125 MAIL command, and the trusted user did not use -F to supply a sender
2126 name, $originator_name was incorrectly used when constructing a From:
2127 header. Furthermore, $originator_name was used for submission mode
2128 messages from external hosts without From: headers in a similar way,
2129 which is clearly wrong.
2130
8800895a
PH
2131PH/37 Added control=suppress_local_fixups.
2132
ccfdb010
PH
2133PH/38 When log_selector = +received_sender was set, and the addition of the
2134 sender made the log line's construction buffer exactly full, or one byte
2135 less than full, an overflow happened when the terminating "\n" was
2136 subsequently added.
2137
1130bfb0
PH
2138PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
2139 when the result of a list match is failure because a DNS lookup failed.
2140
ebcb507f
PH
2141PH/40 RM_COMMAND is now used in the building process.
2142
c35e155c
PH
2143PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
2144 the "build-* directories that it finds.
2145
95d1f782
PH
2146PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
2147 address in a domain literal was a prefix of an interface address.
2148
fd6de02e
PH
2149PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
2150 when verifying a sender address, unless rewrite_headers is false.
2151
58de37c5
PH
2152PH/44 Wrote a long comment about why errors_to addresses are verified as
2153 recipients, not senders.
2154
261cf466
TF
2155TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
2156 the ratelimit ACL was added.
2157
3ee512ff
PH
2158PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
2159
e08c430f
PH
2160PH/46 Added extra information about PostgreSQL errors to the error string.
2161
bef5a11f
PH
2162PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
2163 avoiding the need to install special zones in a real server. This is
2164 backwards compatible; if it can't find the fake resolver, it drops back.
2165 Thus, both old and new test suites can be run.
2166
7546de58
TF
2167TF/02 Added util/ratelimit.pl
2168
e5d5a95f
TF
2169TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
2170 clock is set back in time.
2171
2e88a017
TF
2172TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
2173 Candler <B.Candler@pobox.com>.
2174
a5f65aa4
TF
2175TF/05 The fix for PH/43 was not completely correct; widen_domains is always
2176 OK for addresses that are the result of redirections.
2177
e7726cbf
PH
2178PH/48 A number of further additions for the benefit of the new test suite,
2179 including a fake gethostbyname() that interfaces to the fake DNS resolver
2180 (see PH/47 above).
2181
a7fdad5b
TF
2182TF/06 The fix for widen_domains has also been applied to qualify_single and
2183 search_parents which are the other dnslookup options that can cause
2184 header rewrites.
2185
6af56900
PH
2186PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
2187 type ("H").
2188
0925ede6
PH
2189PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
2190
66afa403
TF
2191TF/07 Exim produced the error message "an SRV record indicated no SMTP
2192 service" if it encountered an MX record with an empty target hostname.
2193 The message is now "an MX or SRV record indicated no SMTP service".
2194
0154e85a
TF
2195TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
2196 if the DNS of the sending site is misconfigured. This is quite a
2197 common situation. This change restores the behaviour of treating a
2198 helo verification defer as a failure.
2199
16f12c76
PH
2200PH/51 If self=fail was set on a router, the bounce message did not include the
2201 actual error message.
2202
bbe902f0 2203
e5a9dba6
PH
2204Exim version 4.52
2205-----------------
2206
2207TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
2208
22c3b60b
PH
2209PH/01 When a transport filter timed out in a pipe delivery, and the pipe
2210 command itself ended in error, the underlying message about the transport
2211 filter timeout was being overwritten with the pipe command error. Now the
2212 underlying error message should be appended to the second error message.
2213
06a9b4b5
PH
2214TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2215
c1ac6996
PH
2216PH/02 Reduce the amount of output that "make" produces by default. Full output
2217 can still be requested.
2218
9c7a242c
PH
2219PH/03 The warning log line about a condition test deferring for a "warn" verb
2220 was being output only once per connection, rather than after each
2221 occurrence (because it was using the same function as for successful
2222 "warn" verbs). This seems wrong, so I have changed it.
2223
87ba3f5f
PH
2224TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2225 it should not have, which might have caused a crash in the right
2226 circumstances, but probably never did.
2227
2228PH/04 Installed a modified version of Tony Finch's patch to make submission
2229 mode fix the return path as well as the Sender: header line, and to
2230 add a /name= option so that you can make the user's friendly name appear
2231 in the header line.
2232
29aba418
TF
2233TF/03 Added the control = fakedefer ACL modifier.
2234
fe0dab11
TF
2235TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2236 Mark Lowes for thorough testing.
870f6ba8 2237
11d337a4
TK
2238TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2239
2240TK/03 Merged latest SRS patch from Miles Wilton.
2241
415c8f3b
PH
2242PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2243 with the definition in sysexits.h (which is #included earlier).
2244 Fortunately, Exim does not actually use EX_OK. The code used to try to
2245 preserve the sysexits.h value, by assumimg that macro definitions were
2246 scanned for macro replacements. I have been disabused of this notion,
2247 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2248
958541e9
PH
2249PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2250 in the smtp transport. When a block could not be written in a single
2251 write() function, the timeout was being re-applied to each part-write.
2252 This seems wrong - if the receiver was accepting one byte at a time it
2253 would take for ever. The timeout is now adjusted when this happens. It
2254 doesn't have to be particularly precise.
2255
c206415f
TK
2256TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2257 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2258
2a4be8f9
PH
2259PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2260 without a domain if the check to <postmaster@domain> fails.
2261
1cba11c5
SC
2262SC/01 Eximstats: added -xls and the ability to specify output files
2263 (patch written by Frank Heydlauf).
2264
2265SC/02 Eximstats: use FileHandles for outputing results.
2266
2267SC/03 Eximstats: allow any combination of xls, txt, and html output.
2268
2269SC/04 Eximstats: fixed display of large numbers with -nvr option
2270
2271SC/05 Eximstats: fixed merging of reports with empty tables.
2272
2273SC/06 Eximstats: added the -include_original_destination flag
2274
2275SC/07 Eximstats: removed tabs and trailing whitespace.
2276
1005d00e
TK
2277TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2278
2279TK/06 MBOX spool code: Add real "From " MBOX separator line
2280 so the .eml file is really in mbox format (even though
2281 most programs do not really care). Patch from Alex Miller.
2282
2283TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2284 The latter is generated from $received_to and is only set if the
2285 message has one envelope recipient. SA can use these headers,
2286 obviously out-of-the-box. Patch from Alex Miller.
2287
9b4768fa
PH
2288PH/08 The ${def test on a variable was returning false if the variable's
2289 value was "0", contrary to what the specification has always said!
2290 The result should be true unless the variable is empty.
2291
2292PH/09 The syntax error of a character other than { following "${if
2293 def:variable_name" (after optional whitespace) was not being diagnosed.
2294 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2295 accidental colon was present, for example, could give incorrect results.
2296
0d7eb84a
PH
2297PH/10 Tidied the code in a number of places where the st_size field of a stat()
2298 result is used (not including appendfile, where other changes are about
2299 to be made).
2300
2301PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2302 This involved changing a lot of size variables from int to off_t. It
2303 should work with maildirs and everything.
2304
40727bee
TK
2305TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2306 spamd dying while we are connected to it.
2307
554d2369
TF
2308TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2309 <jgh@wizmail.org>
2310
1f922db1
PH
2311PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2312 function for BDB 4.3.
2313
ef213c3b
PH
2314PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2315
8ac170f3
PH
2316PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2317 the sources for PCRE have been re-arranged and more files are now
2318 involved.
2319
b1c749bb
PH
2320PH/15 The code I had for printing potentially long long variables in PH/11
2321 above was not the best (it lost precision). The length of off_t variables
2322 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2323 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2324 to be "long long int" or "long int". This is needed for the internal
2325 formatting function string_vformat().
b1c749bb 2326
4aac9b49
PH
2327PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2328 the configuration file to be ":syslog", then the script "guesses" where
2329 the logs files are, rather than using the compiled in default. In our
2330 case the guess is not the same as the compiled default, so the script
2331 suddenly stopped working when I started to use syslog. The patch checks
2332 to see if log_file_path is "". If so, it attempts to read it from exim
2333 with no configuration file to get the compiled in version, before it
2334 falls back to the previous guessing code."
2335
294520c8
TK
2336TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2337 implementing BATV in an Exim configuration. See NewStuff for the gory
2338 details.
2339
5bd022fe
PH
2340PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2341 Makefile that are specific to HP-UX.
2342
90e9ce59
PH
2343PH/18 If the "use_postmaster" option was set for a recipient callout together
2344 with the "random" option, the postmaster address was used as the MAIL
2345 FROM address for the random test, but not for the subsequent recipient
2346 test. It is now used for both.
2347
5ea81592
PH
2348PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2349 patch removes a few documentation additions to RFC 3028, because the
2350 latest draft now contains them. It adds the new en;ascii-case comparator
2351 and a new error check for 8bit text in MIME parts. Comparator and
2352 require names are now matched exactly. I enabled the subaddress
2353 extension, but it is not well tested yet (read: it works for me)."
2354
c6c2dc1d
PH
2355PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2356 rework some of the code of TK/09 above to avoid the hardwired use of
2357 "%lld" and "long long". Replaced the call to snprintf() with a call to
2358 string_vformat().
2359
fffffe4c
PH
2360PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2361 records point to non-existent hosts", "retry timeout exceeded", and
2362 "retry time not reached for any host after a long failure period".
ca02eafb 2363
9a26b6b2
PH
2364PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2365 experimental DomainKeys support:
2366
2367 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2368 (2) On an error such as an illegally used "control", the wrong name for
2369 the control was given.
2370
2371 These problems did NOT occur unless DomainKeys support was compiled.
2372
4aee0225
PH
2373PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2374
32d668a5
PH
2375PH/24 Added ${if match_ip condition.
2376
8187c3f3
PH
2377PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2378 databases so that it will be absolutely obvious if a crash occurs in the
2379 DB library. This is a regular occurrence (often caused by mis-matched
2380 db.h files).
2381
ff790e47 2382PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2383 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2384 picked up on a user's system that detects such things. There doesn't seem
2385 to be a gcc warning option for this - only an attribute that has to be
2386 put on the function's prototype. It seems that in Fedora Core 4 they have
2387 set this on a number of new functions. No doubt there will be more in due
2388 course.
ff790e47 2389
5417f6d1
PH
2390PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2391 specify a transport. However, if an address that was verified by such a
2392 router was the subject of a callout, Exim crashed because it tried to
2393 read the rcpt_include_affixes from the non-existent transport. Now it
2394 just assumes that the setting of that option is false. This bug was
2395 introduced by 4.51/PH/31.
2396
59cf8544
PH
2397PH/28 Changed -d+all to exclude +memory, because that information is very
2398 rarely of interest, but it makes the output a lot bigger. People tend to
2399 do -d+all out of habit.
2400
e7ad8a65
PH
2401PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2402 code in os-type was giving problems when libc.so lives in lib64, like on
2403 x86_64 Fedora Core.
2404
ade42478
PH
2405PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2406 aren't the modern standard, and it seems that some systems' include files
2407 don't always have them. Exim was already checking for some of the newer
2408 ones like T_AAAA, and defining it itself. I've added checks for all the
2409 record types that Exim uses.
2410
182ad5cf
PH
2411PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2412 not automatically generating a new one, as it is supposed to. This
2413 prevented TLS from working. If the file did exist, but contained invalid
2414 data, a new version was generated, as expected. It was only the case of a
2415 non-existent file that was broken.
2416
b0d9fc80
TK
2417TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2418 with a change in libdomainkeys > 0.64.
2419
2420TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2421 from DNS. If the selector record carries the flag, it now has
2422 precedence over the domain-wide flag.
2423
2424TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2425
47c7a64a
PH
2426PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2427 the use of a port name that isn't defined in /etc/services) occurred, the
2428 message was deferred as in a normal delivery, and thus remained on the
2429 spool, instead of being failed because of the mua_wrapper setting. This
2430 is now fixed, and I tidied up some of the mua_wrapper messages at the
2431 same time.
2432
a388bce4
SC
2433SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2434 the messages in a hash of arrays rather than using individual hashes.
2435 This is a bit cleaner and results in dramatic memory savings, albeit
2436 at a slight CPU cost.
2437
2438SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2439 as requested by Marc Sherman.
2440
2441SC/10 Eximstats: added histograms for user specified patterns as requested
2442 by Marc Sherman.
2443
0793e4ed
SC
2444SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2445
c58b88df
PH
2446PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2447 fopen() in the content-scanning modules that did not already have it.
2448
e7ad8a65 2449
7982096b
PH
2450Exim version 4.51
2451-----------------
2452
1a46a8c5
PH
2453TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2454 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2455
2f079f46 2456TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2457
2458TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2459
2460PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2461 to test Sieve filters that use "vacation".
2462
2463PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2464 that changes the way the GnuTLS parameters are stored in the cache file.
2465 The new format can be generated externally. For backward compatibility,
2466 if the data in the cache doesn't make sense, Exim assumes it has read an
2467 old-format file, and it generates new data and writes a new file. This
2468 means that you can't go back to an older release without removing the
2469 file.
2470
2471PH/03 A redirect router that has both "unseen" and "one_time" set does not
2472 work if there are any delivery delays because "one_time" forces the
2473 parent to be marked "delivered", so its unseen clone is never tried
2474 again. For this reason, Exim now forbids the simultaneous setting of
2475 these two options.
2476
2477PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2478 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2479 entry if you want to know the details. The fix, however, neglected to
2480 consider the case when local delivery batching is involved. The test for
2481 "previously delivered" was not happening when checking to see if an
2482 address could be batched with a previous (undelivered) one; under
2483 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2484 address.
1a46a8c5
PH
2485
2486PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2487 in its include files, and this causes problems building Exim.
2488
2489PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2490 header_syntax) but Exim was just ignoring anything given after a slash.
2491 In particular, this caused confusion with an attempt to use "verify =
2492 reverse_host_lookup/defer_ok". An error is now given when options are
2493 supplied for verify items that do not have them. (Maybe reverse_host_
2494 lookup should have a defer_ok option, but that's a different point.)
2495
2496PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2497 defined by RFC 821) to 2048, because there were problems with some AUTH
2498 commands, and RFC 1869 says the size should be increased for extended
2499 SMTP commands that take arguments.
2500
2501PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2502 Finch).
2503
2504PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2505 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2506
49c2d5ea
PH
2507PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2508 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2509 whatever). Otherwise the password may appear in the log. Following change
2510 PH/42 below, there is no longer a chance of it appearing in a bounce
2511 message.
49c2d5ea 2512
bf759a8b
PH
2513PH/11 Installed exipick version 20050225.0 from John Jetmore.
2514
83364d30
PH
2515PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2516 of its addresses was ever tried. (Bugzilla bug #2.)
2517
7999bbd7
PH
2518PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2519 the result incorrectly in the debug output. (It correctly added a newline
2520 to what was transported.)
2521
7dbf77c9
PH
2522TF/01 Added $received_time.
2523
74e0617f
PH
2524PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2525 commented out examples of how to interface to a virus scanner and to
2526 SpamAssassin. Also added commented examples of av_scanner and
2527 spamd_address settings.
2528
2f079f46
PH
2529PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2530 and controls are allowed in which ACLs. There were a couple of minor
2531 errors. Some of the entries in the conditions table (which is a table of
2532 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2533 negation of where the condition IS allowed.
2534
8c841523
PH
2535PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2536
7766a4f0
PH
2537PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2538 header file does not have a version number, so I've had to invent a new
2539 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2540 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2541 radiusclient), but it was contributed by a Radius user.
2542
8b417f2c
PH
2543PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2544 files or directories, for OpenSSL.
2545
901f42cb
PH
2546PH/19 When an Exim process that is running as root has to create an Exim log
2547 file, it does so in a subprocess that runs as exim:exim so as to get the
2548 ownership right at creation (otherwise, other Exim processes might see
2549 the file with the wrong ownership). There was no test for failure of this
2550 fork() call, which would lead to the process getting stuck as it waited
2551 for a non-existent subprocess. Forks do occasionally fail when resources
2552 run out. I reviewed all the other calls to fork(); they all seem to check
2553 for failure.
2554
f9b9210e
PH
2555PH/20 When checking for unexpected SMTP input at connect time (before writing
2556 the banner), Exim was not dealing correctly with a non-positive return
2557 from the read() function. If the client had disconnected by this time,
2558 the result was a log entry for a synchronization error with an empty
2559 string after "input=" when read() returned zero. If read() returned -1
2560 (an event I could not check), uninitialized data bytes were printed.
2561 There were reports of junk text (parts of files, etc) appearing after
2562 "input=".
2563
54cdb463
PH
2564PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2565
cf00dad6
PH
2566PH/22 Added support for macro redefinition, and (re)definition in between
2567 driver and ACL definitions.
2568
acb1b346
PH
2569PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2570 forgetting to use the resulting value; it was using the unexpanded value.
2571
c5ddb310
PH
2572PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2573 hadn't been configured. The fix is from Juergen Kreileder, who
2574 understands it better than I do:
2575
2576 "Here's what I see happening with three configured cyrus_sasl
2577 authenticators configured (plain, login, cram-md5):
2578
2579 On startup auth_cyrus_sasl_init() gets called for each of these.
2580 This means three calls to sasl_listmech() without a specified mech_list.
2581 => SASL tests which mechs of all available mechs actually work
2582 => three warnings about OTP not working
2583 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2584
2585 With the patch, sasl_listmech() also gets called three times. But now
2586 SASL's mech_list option is set to the server_mech specified in the the
2587 authenticator. Or in other words, the answer from sasl_listmech()
2588 gets limited to just the mech you're testing for (which is different
2589 for each call.)
2590 => the return list contains just 'plain' or 'login', 'cram-md5' or
2591 nothing depending on the value of ob->server_mech.
2592
2593 I've just tested the patch: Authentication still works fine,
2594 unavailable mechs specified in the exim configuration are still
2595 caught, and the auth.log warnings about OTP are gone."
2596
31619da6
PH
2597PH/25 When debugging is enabled, the contents of the command line are added
2598 to the debugging output, even when log_selector=+arguments is not
2599 specified.
2600
bebaf0fc
PH
2601PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2602 answer is "GNU", and only if the return is "GNU/something" is the answer
2603 "Linux".
2604
475fe28a
PH
2605PH/27 $acl_verify_message is now set immediately after the failure of a
2606 verification in an ACL, and so is available in subsequent modifiers. In
2607 particular, the message can be preserved by coding like this:
2608
2609 warn !verify = sender
2610 set acl_m0 = $acl_verify_message
2611
2612 Previously, $acl_verify_message was set only while expanding "message"
2613 and "log_message" when a very denied access.
2614
7e8bec7a
PH
2615PH/28 Modified OS/os.c-Linux with
2616
2617 -#ifndef OS_LOAD_AVERAGE
2618 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2619
2620 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2621 nomenclature these days.)
2622
e4a89c47
PH
2623PH/29 Installed patch from the Sieve maintainer that adds the options
2624 sieve_useraddress and sieve_subaddress to the redirect router.
2625
5ca2a9a1
PH
2626PH/30 In these circumstances:
2627 . Two addresses routed to the same list of hosts;
2628 . First host does not offer TLS;
2629 . First host accepts first address;
2630 . First host gives temporary error to second address;
2631 . Second host offers TLS and a TLS session is established;
2632 . Second host accepts second address.
2633 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2634 and peerdn, if requested) that were in fact used only for the second
2635 address.
7e8bec7a 2636
c688b954
PH
2637PH/31 When doing a callout as part of verifying an address, Exim was not paying
2638 attention to any local part prefix or suffix that was matched by the
2639 router that accepted the address. It now behaves in the same way as it
2640 does for delivery: the affixes are removed from the local part unless
2641 rcpt_include_affixes is set on the transport.
2642
fed77020
PH
2643PH/32 Add the sender address, as F=<...>, to the log line when logging a
2644 timeout during the DATA phase of an incoming message.
2645
7fe1560f
PH
2646PH/33 Sieve envelope tests were broken for match types other than :is. I have
2647 applied a patch sanctioned by the Sieve maintainer.
c688b954 2648
ebb6e6d5
PH
2649PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2650 the uid or gid is negative. A case of a negative gid caused this to be
2651 noticed. The fix allows for either to be negative.
2652
9c4e8f60
PH
2653PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2654 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2655 overlooked.
2656
2657PH/36 The change PH/12 above was broken. Fixed it.
2658
d7174846
PH
2659PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2660 the grounds that routing the same address twice would always produce the
2661 same answer. This might have been true once, but it is certainly no
2662 longer true now. Routing a child address may depend on the previous
2663 routing that produced that child. Some complicated redirection strategies
2664 went wrong when messages had multiple recipients, and made Exim's
2665 behaviour dependent on the order in which the addresses were given.
2666
2667 I have moved the duplicate checking until after the routing is complete.
2668 Exim scans the addresses that are assigned to local and remote
2669 transports, and removes any duplicates. This means that more work will be
2670 done, as duplicates will always all be routed, but duplicates are
2671 presumably rare, so I don't expect this is of any significance.
2672
2673 For deliveries to pipes, files, and autoreplies, the duplicate checking
2674 still happens during the routing process, since they are not going to be
2675 routed further.
2676
cfe75fc3
PH
2677PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2678 It corrects a timeout issue with spamd. This is Ian's comment: "The
2679 background is that sometimes spamd either never reads data from a
2680 connection it has accepted, or it never writes response data. The exiscan
2681 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2682 blindly assumes that writes won't block so it may never time out."
2683
be22d70e
PH
2684PH/39 Allow G after quota size as well as K and M.
2685
0612b098
PH
2686PH/40 The value set for $authenticated_id in an authenticator may not contain
2687 binary zeroes or newlines because the value is written to log lines and
2688 to spool files. There was no check on this. Now the value is run through
2689 the string_printing() function so that such characters are converted to
2690 printable escape sequences.
2691
2e0c1448
PH
2692PH/41 $message_linecount is a new variable that contains the total number of
2693 lines in the message. Compare $body_linecount, which is the count for the
2694 body only.
2695
447d236c
PH
2696PH/42 Exim no longer gives details of delivery errors for specific addresses in
2697 bounce and delay warning messages, except in certain special cases, which
2698 are as follows:
2699
2700 (a) An SMTP error message from a remote host;
2701 (b) A message specified in a :fail: redirection;
2702 (c) A message specified in a "fail" command in a system filter;
2703 (d) A message specified in a FAIL return from the queryprogram router;
2704 (e) A message specified by the cannot_route_message router option.
2705
2706 In these cases only, Exim does include the error details in bounce and
2707 warning messages. There are also a few cases where bland messages such
2708 as "unrouteable address" or "local delivery error" are given.
2709
d20976dc
PH
2710PH/43 $value is now also set for the "else" part of a ${run expansion.
2711
f656d135
PH
2712PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2713 being worked on, but at least Exim now implements the latest version to
2714 play with."
2715
2e2a30b4
PH
2716PH/45 In a pipe transport, although a timeout while waiting for the pipe
2717 process to complete was treated as a delivery failure, a timeout while
2718 writing the message to the pipe was logged, but erroneously treated as a
2719 successful delivery. Such timeouts include transport filter timeouts. For
2720 consistency with the overall process timeout, these timeouts are now
2721 treated as errors, giving rise to delivery failures by default. However,
2722 there is now a new Boolean option for the pipe transport called
2723 timeout_defer, which, if set TRUE, converts the failures into defers for
2724 both kinds of timeout. A transport filter timeout is now identified in
2725 the log output.
2726
9176e9f0
PH
2727PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2728 systems where "make" and "gmake" are different, calling "gmake" at top
2729 level broke things. I've arranged for the value of $(MAKE) to be passed
2730 from the Makefile to this script so that it can call the same version of
2731 "make".
2732
7982096b 2733
bbe902f0
PH
2734A note about Exim versions 4.44 and 4.50
2735----------------------------------------
2736
2737Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2738changes of various kinds. As a consequence, a big documentation update was
2739needed. This delayed the release for rather longer than seemed good, especially
2740in the light of a couple of (minor) security issues. Therefore, the changes
2741that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2742release. So 4.44 and 4.50 are in effect two different branches that both start
2743from 4.43.
2744
2745I have left the 4.50 change log unchanged; it contains all the changes since
27464.43. The change log for 4.44 is below; many of its items are identical to
2747those for 4.50. This seems to be the most sensible way to preserve the
2748historical information.
2749
2750
f7b63901 2751Exim version 4.50
495ae4b0
PH
2752-----------------
2753
5fe762f6
PH
2754 1. Minor wording change to the doc/README.SIEVE file.
2755
139059f6 2756 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2757 computation of the current number of files was incorrect.
495ae4b0 2758
7086e875
PH
2759 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2760 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2761 place.
2762
35af9f61
PH
2763 4. Give more explanation in the error message when the command for a transport
2764 filter fails to execute.
2765
b668c215
PH
2766 5. There are several places where Exim runs a non-Exim command in a
2767 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2768 was being done only for the command run by the queryprogram router. It is
2769 now done for all such subprocesses. The other cases are: ${run, transport
2770 filters, and the commands run by the lmtp and pipe transports.
2771
a494b1e1
PH
2772 6. Added CONFIGURE_GROUP build-time option.
2773
2774 7. Some older OS have a limit of 256 on the maximum number of file
2775 descriptors. Exim was using setrlimit() to set 1000 as a large value
2776 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2777 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2778
c5fcb476
PH
2779 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2780 was an oversight, and furthermore, ever since the addition of extra
2781 controls (e.g. 4.43/32), the checks on when to allow different forms of
2782 "control" were broken. There should now be diagnostics for all cases when a
2783 control that does not make sense is encountered.
2784
69358f02
PH
2785 9. Added the /retain_sender option to "control=submission".
2786
5be20824
PH
278710. $recipients is now available in the predata ACL (oversight).
2788
eb2c0248
PH
278911. Tidy the search cache before the fork to do a delivery from a message
2790 received from the command line. Otherwise the child will trigger a lookup
2791 failure and thereby defer the delivery if it tries to use (for example) a
2792 cached ldap connection that the parent has called unbind on.
2793
2a3eea10
PH
279412. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2795 of $address_data from the recipient verification was clobbered by the
2796 sender verification.
2797
279813. The value of address_data from a sender verification is now available in
2799 $sender_address_data in subsequent conditions in the ACL statement.
2800
23c7ff99
PH
280114. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2802
4deaf07d
PH
280315. Added a new option "connect=<time>" to callout options, to set a different
2804 connection timeout.
2805
926e1192
PH
280616. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2807 was its contents. (It was OK if the option was not defined at all.)
2808
650edc6f
PH
280917. A "Completed" log line is now written for messages that are removed from
2810 the spool by the -Mrm option.
2811
2c7db3f5
PH
281218. New variables $sender_verify_failure and $recipient_verify_failure contain
2813 information about exactly what failed.
2814
3d235903
PH
281519. Added -dd to debug only the daemon process.
2816
7c7ad977
PH
281720. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2818 handles timeouts, both on the server side and network timeouts. Renamed the
2819 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2820
981756db
PH
282121. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2822 It is now set to "smtps".
2823
d4eb88df
PH
282422. $host_address is now set to the target address during the checking of
2825 ignore_target_hosts.
2826
282723. When checking ignore_target_hosts for an ipliteral router, no host name was
2828 being passed; this would have caused $sender_host_name to have been used if
2829 matching the list had actually called for a host name (not very likely,
2830 since this list is usually IP addresses). A host name is now passed as
2831 "[x.x.x.x]".
2832
7d468ab8
PH
283324. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2834 code that specifies a non-restarting handler (typically sigaction() in
2835 modern systems) in an attempt to fix a rare and obscure crash bug.
2836
283725. Narrowed the window for a race in the daemon that could cause it to ignore
2838 SIGCHLD signals. This is not a major problem, because they are used only to
2839 wake it up if nothing else does.
2840
62c0818f
PH
284126. A malformed maildirsize file could cause Exim to calculate negative values
2842 for the mailbox size or file count. Odd effects could occur as a result.
2843 The maildirsize information is now recalculated if the size or filecount
2844 end up negative.
2845
26034054
PH
284627. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2847 support for a long time. Removed HAVE_SYS_VFS_H.
2848
af66f652
PH
284928. Installed the latest version of exipick from John Jetmore.
2850
90af77f4
PH
285129. In an address list, if the pattern was not a regular expression, an empty
2852 subject address (from a bounce message) matched only if the pattern was an
2853 empty string. Non-empty patterns were not even tested. This was the wrong
2854 because it is perfectly reasonable to use an empty address as part of a
2855 database query. An empty address is now tested by patterns that are
2856 lookups. However, all the other forms of pattern expect the subject to
2857 contain a local part and a domain, and therefore, for them, an empty
2858 address still always fails if the pattern is not itself empty.
2859
d8ef3577
PH
286030. Exim went into a mad DNS loop when attempting to do a callout where the
2861 host was specified on an smtp transport, and looking it up yielded more
2862 than one IP address.
2863
5cb8cbc6
PH
286431. Re-factored the code for checking spool and log partition space into a
2865 function that finds that data and another that does the check. The former
2866 is then used to implement four new variables: $spool_space, $log_space,
2867 $spool_inodes, and $log_inodes.
2868
14702f5b
PH
286932. The RFC2047 encoding function was originally intended for short strings
2870 such as real names; it was not keeping to the 75-character limit for
2871 encoded words that the RFC imposes. It now respects the limit, and
2872 generates multiple encoded words if necessary. To be on the safe side, I
2873 have increased the buffer size for the ${rfc2047: expansion operator from
2874 1024 to 2048 bytes.
2875
063b1e99
PH
287633. It is now permitted to omit both strings after an "if" condition; if the
2877 condition is true, the result is "true". As before, when the second string
2878 is omitted, a false condition yields an empty string. This makes it less
2879 cumbersome to write custom ACL and router conditions.
2880
652e1b65
PH
288134. Failure to deliver a bounce message always caused it to be frozen, even if
2882 there was an errors_to setting on the router. The errors_to setting is now
2883 respected.
2884
6f0c9a4f
PH
288535. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2886 canonical form (fully expanded) before being placed in
2887 $sender_host_address.
2888
33397d19
PH
288936. The table in the code that translates DNS record types into text (T_A to
2890 "A" for instance) was missing entries for NS and CNAME. It is just possible
2891 that this could have caused confusion if both these types were looked up
2892 for the same domain, because the text type is used as part of Exim's
2893 per-process caching. But the chance of anyone hitting this buglet seems
2894 very small.
2895
7bb56e1f
PH
289637. The dnsdb lookup has been extended in a number of ways.
2897
2898 (1) There is a new type, "zns", which walks up the domain tree until it
2899 finds some nameserver records. It should be used with care.
2900
ea3bc19b
PH
2901 (2) There is a new type, "mxh", which is like "mx" except that it returns
2902 just the host names, not the priorities.
2903
2904 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2905 looked up. The behaviour when one of the lookups defers can be
2906 controlled by a keyword.
7bb56e1f 2907
ea3bc19b 2908 (4) It is now possible to specify the separator character for use when
7bb56e1f 2909 multiple records are returned.
33397d19 2910
0bcb2a0e
PH
291138. The dnslists ACL condition has been extended: it is now possible to supply
2912 a list of IP addresses and/or domains to be looked up in a particular DNS
2913 domain.
2914
2ac0e484
PH
291539. Added log_selector=+queue_time_overall.
2916
4e1fde53
PH
291740. When running the queue in the test harness, wait just a tad after forking a
2918 delivery process, to get repeatability of debugging output.
2919
de365ded
PH
292041. Include certificate and key file names in error message when GnuTLS fails
2921 to set them up, because the GnuTLS error message doesn't include the name
2922 of the failing file when there is a problem reading it.
2923
f05da2e8
PH
292442. Allow both -bf and -bF in the same test run.
2925
d6453af2
PH
292643. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2927
f7b63901
PH
292844. The "Exiscan patch" is now merged into the mainline Exim source.
2929
293045. Sometimes the final signoff response after QUIT could fail to get
2931 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2932 < 0 before doing a fflush(). This bug looks as though it goes back to the
2933 introduction of TLS in release 3.20, but "sometimes" must have been rare
2934 because the tests only now provoked it.
2935
a444213a
PH
293646. Reset the locale to "C" after calling embedded Perl, in case it was changed
2937 (this can affect the format of dates).
2938
0ec020ea
PH
293947. exim_tidydb, when checking for the continued existence of a message for
2940 which it has found a message-specific retry record, was not finding
2941 messages that were in split spool directories. Consequently, it was
2942 deleting retry records that should have stayed in existence.
2943
b1206957
PH
294448. Steve fixed some bugs in eximstats.
2945
294649. The SPA authentication driver was not abandoning authentication and moving
2947 on to the next authenticator when an expansion was forced to fail,
2948 contradicting the general specification for all authenticators. Instead it
2949 was generating a temporary error. It now behaves as specified.
2950
26dd5a95
PH
295150. The default ordering of permitted cipher suites for GnuTLS was pessimal
2952 (the order specifies the preference for clients). The order is now AES256,
2953 AES128, 3DES, ARCFOUR128.
2954
343b2385
PH
295551. Small patch to Sieve code - explicitly set From: when generating an
2956 autoreply.
2957
1c5466b9
PH
295852. Exim crashed if a remote delivery caused a very long error message to be
2959 recorded - for instance if somebody sent an entire SpamAssassin report back
2960 as a large number of 550 error lines. This bug was coincidentally fixed by
2961 increasing the size of one of Exim's internal buffers (big_buffer) that
2962 happened as part of the Exiscan merge. However, to be on the safe side, I
2963 have made the code more robust (and fixed the comments that describe what
2964 is going on).
2965
55ee9ee3
PH
296653. Now that there can be additional text after "Completed" in log lines (if
2967 the queue_time_overall log selector is set), a one-byte patch to exigrep
2968 was needed to allow it to recognize "Completed" as not the last thing in
2969 the line.
2970
d38f8232
PH
297154. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2972 patch that reportedly fixes this has been added. I am not expert enough to
2973 create a test for it. This is what the patch creator wrote:
2974
2975 "I found a little strange behaviour of ldap code when working with
2976 Windows 2003 AD Domain, where users was placed in more than one
2977 Organization Units. When I tried to give exim partial DN, the exit code
2978 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2979 But simultaneously result of request was absolutely normal ldap result,
2980 so I produce this patch..."
2981
3295e65b
PH
2982 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2983 REFERENCE, so I have modified the code to exclude the patch when that macro
2984 is not defined.
2985
7102e136
PH
298655. Some experimental protocols are using DNS PTR records for new purposes. The
2987 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2988 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2989 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2990 CAN-2005-0021
7102e136 2991
3ca0ba97
PH
299256. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2993
c2bcbe20
PH
299457. Double the size of the debug message buffer (to 2048) so that more of very
2995 long debug lines gets shown.
2996
18ce445d
PH
299758. The exicyclog utility now does better if the number of log files to keep
2998 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2999
1f5b4c3d
PH
300059. Two changes related to the smtp_active_hostname option:
3001
3002 (1) $smtp_active_hostname is now available as a variable.
3003 (2) The default for smtp_banner uses $smtp_active_hostname instead
3004 of $primary_hostname.
3005
b975ba52
PH
300660. The host_aton() function is supposed to be passed a string that is known
3007 to be a valid IP address. However, in the case of IPv6 addresses, it was
3008 not checking this. This is a hostage to fortune. Exim now panics and dies
3009 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
3010 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3011 components; fortuitously, this particular loophole had already been fixed
3012 by change 4.50/55 above.
3013
3014 If there are any other similar loopholes, the new check in host_aton()
3015 itself should stop them being exploited. The report I received stated that
3016 data on the command line could provoke the exploit when Exim was running as
3017 exim, but did not say which command line option was involved. All I could
3018 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3019 running as the user.
ea3a6f44 3020 CAN-2005-0021
85b87bc2
PH
3021
302261. There was a buffer overflow vulnerability in the SPA authentication code
3023 (which came originally from the Samba project). I have added a test to the
3024 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 3025 CAN-2005-0022
b975ba52 3026
17ffcae7
PH
302762. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
3028 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
3029
d95f9fdb
PH
303063. The daemon start-up calls getloadavg() while still root for those OS that
3031 need the first call to be done as root, but it missed one case: when
3032 deliver_queue_load_max is set with deliver_drop_privilege. This is
3033 necessary for the benefit of the queue runner, because there is no re-exec
3034 when deliver_drop_privilege is set.
3035
86b8287f
PH
303664. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
3037 This has been fixed.
3038
60dc5e56
PH
303965. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3040 was in use, was not putting the data itself into the right store pool;
3041 consequently, it could be overwritten for a subsequent message in the same
3042 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3043 the caching.)
3044
533244af
PH
304566. Added hosts_max_try_hardlimit to the smtp transport, default 50.
3046
a5a28604
PH
304767. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
3048 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
3049 the function were treating the return as a boolean value, which happened to
3050 work because 0=false and not-0=true, but is not correct code.
3051
7e634d24
PH
305268. The host_aton() function was not handling scoped IPv6 addresses (those
3053 with, for example, "%eth0" on the end) correctly.
3054
3e11c26b
PH
305569. Fixed some compiler warnings in acl.c for the bitmaps specified with
3056 negated items (that is, ~something) in unsigned ints. Some compilers
3057 apparently mutter when there is no cast.
3058
6729cf78
PH
305970. If an address verification called from an ACL failed, and did not produce a
3060 user-specific message (i.e. there was only a "system" message), nothing was
3061 put in $acl_verify_message. In this situation, it now puts the system
3062 message there.
3063
00f00ca5
PH
306471. Change 4.23/11 added synchronization checking at the start of an SMTP
3065 session; change 4.31/43 added the unwanted input to the log line - except
3066 that it did not do this in the start of session case. It now does.
3067
c9bdd01c
PH
306872. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
3069 This is wrong and can cause the other end to generate a synchronization
3070 error if it is another Exim or anything else that does the synchronization
3071 check. A QUIT command is no longer sent after a timeout.
3072
d43194df
PH
307373. $host_lookup_deferred has been added, to make it easier to detect DEFERs
3074 during host lookups.
3075
fe5b5d0b
PH
307674. The defer_ok option of callout verification was not working if it was used
3077 when verifying addresses in header lines, that is, for this case:
3078
3079 verify = header_sender/callout=defer_ok
3080
76a2d7ba
PH
308175. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
3082 those file descriptors could be used for SMTP connections. If anything
3083 wrote to stderr (the example that came up was "warn" in embedded Perl), it
3084 could be sent to the SMTP client, causing chaos. The daemon now opens
3085 stdin, stdout, and stderr to /dev/null when it puts itself into the
3086 background.
3087
308876. Arrange for output from Perl's "warn" command to be written to Exim's main
3089 log by default. The user can override this with suitable Perl magic.
3090
04f7d5b9
PH
309177. The use of log_message on a "discard" ACL verb, which is supposed to add to
3092 the log message when discard triggers, was not working for the DATA ACL or
3093 for the non-SMTP ACL.
3094
bc60667e
PH
309578. Error message wording change in sieve.c.
3096
bb6e88ff
PH
309779. If smtp_accept_max_per_host was set, the number of connections could be
3098 restricted to fewer than expected, because the daemon was trying to set up
3099 a new connection before checking whether the processes handling previous
3100 connections had finished. The check for completed processes is now done
3101 earlier. On busy systems, this bug wouldn't be noticed because something
3102 else would have woken the daemon, and it would have reaped the completed
3103 process earlier.
3104
1e70f85b
PH
310580. If a message was submitted locally by a user whose login name contained one
3106 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
3107 It caused a spool format error. I have fixed the spool reading code. A
3108 related problem was that the "from" clause in the Received: line became
3109 illegal because of the space(s). It is now covered by ${quote_local_part.
3110
311181. Included the latest eximstats from Steve (adds average sizes to HTML Top
3112 tables).
3113
4e01f9d6
PH
311482. Updated OS/Makefile-AIX as per message from Mike Meredith.
3115
1ee1cef2
PH
311683. Patch from Sieve maintainer to fix unterminated string problem in
3117 "vacation" handling.
3118
6e2b4ccc
PH
311984. Some minor changes to the Linux configuration files to help with other
3120 OS variants using glibc.
3121
8e669ac1
PH
312285. One more patch for Sieve to update vacation handling to latest spec.
3123
495ae4b0 3124
bbe902f0
PH
3125----------------------------------------------------
3126See the note above about the 4.44 and 4.50 releases.
3127----------------------------------------------------
3128
3129
3130Exim version 4.44
3131-----------------
3132
3133 1. Change 4.43/35 introduced a bug that caused file counts to be
3134 incorrectly computed when quota_filecount was set in an appendfile
3135 transport
3136
3137 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
3138 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
3139 place.
3140
3141 3. Give more explanation in the error message when the command for a transport
3142 filter fails to execute.
3143
3144 4. There are several places where Exim runs a non-Exim command in a
3145 subprocess. The SIGUSR1 signal should be disabled for these processes. This
3146 was being done only for the command run by the queryprogram router. It is
3147 now done for all such subprocesses. The other cases are: ${run, transport
3148 filters, and the commands run by the lmtp and pipe transports.
3149
3150 5. Some older OS have a limit of 256 on the maximum number of file
3151 descriptors. Exim was using setrlimit() to set 1000 as a large value
3152 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
3153 systems. I've change it so that if it can't get 1000, it tries for 256.
3154
3155 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
3156 was an oversight, and furthermore, ever since the addition of extra
3157 controls (e.g. 4.43/32), the checks on when to allow different forms of
3158 "control" were broken. There should now be diagnostics for all cases when a
3159 control that does not make sense is encountered.
3160
3161 7. $recipients is now available in the predata ACL (oversight).
3162
3163 8. Tidy the search cache before the fork to do a delivery from a message
3164 received from the command line. Otherwise the child will trigger a lookup
3165 failure and thereby defer the delivery if it tries to use (for example) a
3166 cached ldap connection that the parent has called unbind on.
3167
3168 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
3169 of $address_data from the recipient verification was clobbered by the
3170 sender verification.
3171
317210. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
3173 was its contents. (It was OK if the option was not defined at all.)
3174
317511. A "Completed" log line is now written for messages that are removed from
3176 the spool by the -Mrm option.
3177
317812. $host_address is now set to the target address during the checking of
3179 ignore_target_hosts.
3180
318113. When checking ignore_target_hosts for an ipliteral router, no host name was
3182 being passed; this would have caused $sender_host_name to have been used if
3183 matching the list had actually called for a host name (not very likely,
3184 since this list is usually IP addresses). A host name is now passed as
3185 "[x.x.x.x]".
3186
318714. Changed the calls that set up the SIGCHLD handler in the daemon to use the
3188 code that specifies a non-restarting handler (typically sigaction() in
3189 modern systems) in an attempt to fix a rare and obscure crash bug.
3190
319115. Narrowed the window for a race in the daemon that could cause it to ignore
3192 SIGCHLD signals. This is not a major problem, because they are used only to
3193 wake it up if nothing else does.
3194
319516. A malformed maildirsize file could cause Exim to calculate negative values
3196 for the mailbox size or file count. Odd effects could occur as a result.
3197 The maildirsize information is now recalculated if the size or filecount
3198 end up negative.
3199
320017. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
3201 support for a long time. Removed HAVE_SYS_VFS_H.
3202
ea3a6f44 320318. Updated exipick to current release from John Jetmore.
bbe902f0
PH
3204
320519. Allow an empty sender to be matched against a lookup in an address list.
3206 Previously the only cases considered were a regular expression, or an
3207 empty pattern.
3208
320920. Exim went into a mad DNS lookup loop when doing a callout where the
3210 host was specified on the transport, if the DNS lookup yielded more than
3211 one IP address.
3212
ea3a6f44
NM
321321. The RFC2047 encoding function was originally intended for short strings
3214 such as real names; it was not keeping to the 75-character limit for
3215 encoded words that the RFC imposes. It now respects the limit, and
3216 generates multiple encoded words if necessary. To be on the safe side, I
3217 have increased the buffer size for the ${rfc2047: expansion operator from
3218 1024 to 2048 bytes.
bbe902f0 3219
ea3a6f44
NM
322022. Failure to deliver a bounce message always caused it to be frozen, even if
3221 there was an errors_to setting on the router. The errors_to setting is now
3222 respected.
bbe902f0
PH
3223
322423. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3225 canonical form (fully expanded) before being placed in
3226 $sender_host_address.
3227
322824. Updated eximstats to version 1.33
3229
ea3a6f44
NM
323025. Include certificate and key file names in error message when GnuTLS fails
3231 to set them up, because the GnuTLS error message doesn't include the name
3232 of the failing file when there is a problem reading it.
bbe902f0
PH
3233
323426. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3235 As per change 25.
bbe902f0 3236
ea3a6f44
NM
323727. Reset the locale to "C" after calling embedded Perl, in case it was changed
3238 (this can affect the format of dates).
bbe902f0 3239
ea3a6f44
NM
324028. exim_tidydb, when checking for the continued existence of a message for
3241 which it has found a message-specific retry record, was not finding
3242 messages that were in split spool directories. Consequently, it was
3243 deleting retry records that should have stayed in existence.
bbe902f0
PH
3244
324529. eximstats updated to version 1.35
3246 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3247 1.35 - bugfix such that pie charts by volume are generated correctly
3248
ea3a6f44
NM
324930. The SPA authentication driver was not abandoning authentication and moving
3250 on to the next authenticator when an expansion was forced to fail,
3251 contradicting the general specification for all authenticators. Instead it
3252 was generating a temporary error. It now behaves as specified.
bbe902f0 3253
ea3a6f44
NM
325431. The default ordering of permitted cipher suites for GnuTLS was pessimal
3255 (the order specifies the preference for clients). The order is now AES256,
3256 AES128, 3DES, ARCFOUR128.
bbe902f0 3257
ea3a6f44
NM
325831. Small patch to Sieve code - explicitly set From: when generating an
3259 autoreply.
bbe902f0 3260
ea3a6f44
NM
326132. Exim crashed if a remote delivery caused a very long error message to be
3262 recorded - for instance if somebody sent an entire SpamAssassin report back
3263 as a large number of 550 error lines. This bug was coincidentally fixed by
3264 increasing the size of one of Exim's internal buffers (big_buffer) that
3265 happened as part of the Exiscan merge. However, to be on the safe side, I
3266 have made the code more robust (and fixed the comments that describe what
3267 is going on).
bbe902f0 3268
ea3a6f44
NM
326933. Some experimental protocols are using DNS PTR records for new purposes. The
3270 keys for these records are domain names, not reversed IP addresses. The
3271 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3272 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3273 CAN-2005-0021
3274
ea3a6f44
NM
327534. The host_aton() function is supposed to be passed a string that is known
3276 to be a valid IP address. However, in the case of IPv6 addresses, it was
3277 not checking this. This is a hostage to fortune. Exim now panics and dies
3278 if the condition is not met. A case was found where this could be provoked
3279 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3280 components; fortuitously, this particular loophole had already been fixed
3281 by change 4.50/55 or 4.44/33 above.
3282
3283 If there are any other similar loopholes, the new check in host_aton()
3284 itself should stop them being exploited. The report I received stated that
3285 data on the command line could provoke the exploit when Exim was running as
3286 exim, but did not say which command line option was involved. All I could
3287 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3288 running as the user.
bbe902f0
PH
3289 CAN-2005-0021
3290
ea3a6f44
NM
329135. There was a buffer overflow vulnerability in the SPA authentication code
3292 (which came originally from the Samba project). I have added a test to the
3293 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3294 CAN-2005-0022
3295
ea3a6f44
NM
329636. The daemon start-up calls getloadavg() while still root for those OS that
3297 need the first call to be done as root, but it missed one case: when
3298 deliver_queue_load_max is set with deliver_drop_privilege. This is
3299 necessary for the benefit of the queue runner, because there is no re-exec
3300 when deliver_drop_privilege is set.
bbe902f0 3301
ea3a6f44
NM
330237. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3303 was in use, was not putting the data itself into the right store pool;
3304 consequently, it could be overwritten for a subsequent message in the same
3305 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3306 the caching.)
bbe902f0 3307
ea3a6f44
NM
330838. Sometimes the final signoff response after QUIT could fail to get
3309 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3310 < 0 before doing a fflush(). This bug looks as though it goes back to the
3311 introduction of TLS in release 3.20, but "sometimes" must have been rare
3312 because the tests only now provoked it.
bbe902f0
PH
3313
3314
495ae4b0
PH
3315Exim version 4.43
3316-----------------
3317
3318 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3319 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3320 Now it returns an integer. A number of calls were still expecting a T/F
3321 return. Fortuitously, in all cases, the tests worked in OK situations,
3322 which is the norm. However, things would have gone wrong on any write
3323 failures on the smtp file descriptor. This function is used when sending
3324 messages over SMTP and also when doing verify callouts.
3325
3326 2. When Exim is called to do synchronous delivery of a locally submitted
3327 message (the -odf or -odi options), it no longer closes stderr before doing
3328 the delivery.
3329
3330 3. Implemented the mua_wrapper option.
3331
3332 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3333
3334 5. Implemented the functions header_remove(), header_testname(),
3335 header_add_at_position(), and receive_remove_recipient(), and exported them
3336 to local_scan().
3337
3338 6. If an ACL "warn" statement specified the addition of headers, Exim already
3339 inserted X-ACL-Warn: at the start if there was no header name. However, it
3340 was not making this test for the second and subsequent header lines if
3341 there were newlines in the string. This meant that an invalid header could
3342 be inserted if Exim was badly configured.
3343
3344 7. Allow an ACL "warn" statement to add header lines at the start or after all
3345 the Received: headers, as well as at the end.
3346
3347 8. Added the rcpt_4xx retry error code.
3348
3349 9. Added postmaster_mailfrom=xxx to callout verification option.
3350
335110. Added mailfrom=xxxx to the callout verification option, for verify=
3352 header_sender only.
3353
335411. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3355 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3356
335712. Inserted some casts to stop certain compilers warning when using pointer
3358 differences as field lengths or precisions in printf-type calls (mostly
3359 affecting debugging statements).
3360
336113. Added optional readline() support for -be (dynamically loaded).
3362
336314. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3364 same clock tick as a message's arrival, so that its received time was the
3365 same as the "first fail" time on the retry record, and that message
3366 remained on the queue past the ultimate address timeout, every queue runner
3367 would try a delivery (because it was past the ultimate address timeout) but
3368 after another failure, the ultimate address timeout, which should have then
3369 bounced the address, did not kick in. This was a "< instead of <=" error;
3370 in most cases the first failure would have been in the next clock tick
3371 after the received time, and all would be well.
3372
337315. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3374 being recognized when the domain list was tested by the match_domain
3375 condition in an expansion string.
3376
337716. Added the ${str2b64: operator.
3378
337917. Exim was always calling setrlimit() to set a large limit for the number of
3380 processes, without checking whether the existing limit was already
3381 adequate. (It did check for the limit on file descriptors.) Furthermore,
3382 errors from getrlimit() and setrlimit() were being ignored. Now they are
3383 logged to the main and panic logs, but Exim does carry on, to try to do its
3384 job under whatever limits there are.
3385
338618. Imported PCRE 5.0.
3387
338819. Trivial typo in log message " temporarily refused connection" (the leading
3389 space).
3390
339120. If the log selector return_path_on_delivery was set and an address was
3392 redirected to /dev/null, the delivery process crashed because it assumed
3393 that a return path would always be set for a "successful" delivery. In this
3394 case, the whole delivery is bypassed as an optimization, and therefore no
3395 return path is set.
3396
339721. Internal re-arrangement: the function for sending a challenge and reading
3398 a response while authentication was assuming a zero-terminated challenge
3399 string. It's now changed to take a pointer and a length, to allow for
3400 binary data in such strings.
3401
340222. Added the cyrus_sasl authenticator (code supplied by MBM).
3403
340423. Exim was not respecting finduser_retries when seeking the login of the
3405 uid under which it was called; it was always trying 10 times. (The default
3406 setting of finduser_retries is zero.) Also, it was sleeping after the final
3407 failure, which is pointless.
3408
340924. Implemented tls_on_connect_ports.
3410
341125. Implemented acl_smtp_predata.
3412
341326. If the domain in control=submission is set empty, Exim assumes that the
3414 authenticated id is a complete email address when it generates From: or
3415 Sender: header lines.
3416
341727. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3418 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3419 chown and chgrp in /bin and hostname in /usr/bin.
3420
342128. Exim was keeping the "process log" file open after each use, just as it