Fixed previous changelog to Bugzilla 968
[exim.git] / doc / doc-txt / ChangeLog
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5dc43717 1$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.632 2010/06/12 15:21:25 jetmore Exp $
495ae4b0
PH
2
3Change log file for Exim from version 4.21
4-------------------------------------------
5
aa097c4c
NM
6Exim version 4.75
7-----------------
8
4c9ef03a 9NM/01 Workround for PCRE version dependency in version reporting
aa097c4c
NM
10 Bugzilla 1073
11
7f3d9eff
TF
12TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
13 This fixes portability to compilers other than gcc, notably
14 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
15
159f52d2
TF
16TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
17 makefiles for portability to HP-UX and POSIX correctness.
18
0cc9542a
PP
19PP/01 Permit LOOKUP_foo enabling on the make command-line.
20 Also via indented variable definition in the Makefile.
21 (Debugging by Oliver Heesakkers).
22
f7274286
PP
23PP/02 Restore caching of spamd results with expanded spamd_address.
24 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
25
7b797365
PP
26PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
27 Improves build reliability. Fix from: Frank Elsner
28
caacae52
NM
29NM/02 Fix wide character breakage in the rfc2047 coding
30 Fixes bug 1064. Patch from Andrey N. Oktyabrski
31
09dcaba9
NM
32NM/03 Allow underscore in dnslist lookups
33 Fixes bug 1026. Patch from Graeme Fowler
34
bc19a55b
PP
35PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
36 Code patches from Adam Ciarcinski of NetBSD.
caacae52 37
bd4c9759
NM
38NM/04 Fixed exiqgrep to cope with mailq missing size issue
39 Fixes bug 943.
40
b72aab72
PP
41PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
42 is logged, to avoid truncation. Patch from John Horne.
43
2fe76745
PP
44PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
45 Patch from Jakob Hirsch.
46
76aa570c
PP
47PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
48 SQL string expansion failure details.
49 Patch from Andrey Oktyabrski.
50
f1e5fef5
PP
51PP/08 Bugzilla 486: implement %M datestamping in log filenames.
52 Patch from Simon Arlott.
53
4d805ee9
PP
54PP/09 New lookups functionality failed to compile on old gcc which rejects
55 extern declarations in function scope.
56 Patch from Oliver Fleischmann
57
cd59ab18
PP
58PP/10 Use sig_atomic_t for flags set from signal handlers.
59 Check getgroups() return and improve debugging.
60 Fixed developed for diagnosis in bug 927 (which turned out to be
61 a kernel bug).
62
332f5cf3
PP
63PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
64 Patch from Mark Zealey.
65
29cfeb94
PP
66PP/12 Bugzilla 1056: Improved spamd server selection.
67 Patch from Mark Zealey.
68
660242ad
PP
69PP/13 Bugzilla 1086: Deal with maildir quota file races.
70 Based on patch from Heiko Schlittermann.
71
bc4bc4c5
PP
72PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
73 Patch from Uwe Doering, sign-off by Michael Haardt.
74
2e64baa9
NM
75NM/05 Fix to spam.c to accommodate older gcc versions which dislike
76 variable declaration deep within a block. Bug and patch from
77 Dennis Davis.
78
bddd7526
PP
79PP/15 lookups-Makefile IRIX compatibilty coercion.
80
6bac1a9a
PP
81PP/16 Make DISABLE_DKIM build knob functional.
82
552193f0
NM
83NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
84 Patch by Simon Arlott
baeee2c1 85
aa097c4c 86
8c07b69f
TF
87Exim version 4.74
88-----------------
89
90TF/01 Failure to get a lock on a hints database can have serious
91 consequences so log it to the panic log.
92
c0ea85ab
TF
93TF/02 Log LMTP confirmation messages in the same way as SMTP,
94 controlled using the smtp_confirmation log selector.
95
0761d44e
TF
96TF/03 Include the error message when we fail to unlink a spool file.
97
0a349494
PP
98DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
99 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
100 for maintaining out-of-tree patches for some time.
101
102PP/01 Bugzilla 139: Documentation and portability issues.
103 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
104 Handle per-OS dynamic-module compilation flags.
105
fea24b2e
PP
106PP/02 Let /dev/null have normal permissions.
107 The 4.73 fixes were a little too stringent and complained about the
108 permissions on /dev/null. Exempt it from some checks.
109 Reported by Andreas M. Kirchwitz.
110
6545de78
PP
111PP/03 Report version information for many libraries, including
112 Exim version information for dynamically loaded libraries. Created
113 version.h, now support a version extension string for distributors
114 who patch heavily. Dynamic module ABI change.
115
1670ef10
PP
116PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
117 privilege escalation vulnerability whereby the Exim run-time user
118 can cause root to append content of the attacker's choosing to
119 arbitrary files.
120
c0886197
PP
121PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
122 (Wolfgang Breyha)
123
b7487bce
PP
124PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
125 If dropping privileges for untrusted macros, we disabled normal logging
126 on the basis that it would fail; for the Exim run-time user, this is not
127 the case, and it resulted in successful deliveries going unlogged.
128 Fixed. Reported by Andreas Metzler.
129
8c07b69f 130
97fd1e48 131Exim version 4.73
ed7f7860 132-----------------
97fd1e48
PP
133
134PP/01 Date: & Message-Id: revert to normally being appended to a message,
135 only prepend for the Resent-* case. Fixes regression introduced in
136 Exim 4.70 by NM/22 for Bugzilla 607.
137
6901c596
PP
138PP/02 Include check_rfc2047_length in configure.default because we're seeing
139 increasing numbers of administrators be bitten by this.
140
a8c8d6b5
JJ
141JJ/01 Added DISABLE_DKIM and comment to src/EDITME
142
77bb000f
PP
143PP/03 Bugzilla 994: added openssl_options main configuration option.
144
a29e5231
PP
145PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
146
ec5a0394 147PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 148
55c75993
PP
149PP/06 Adjust NTLM authentication to handle SASL Initial Response.
150
453a6645 151PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
152 without a peer certificate, leading to a segfault because of an
153 assumption that peers always have certificates. Be a little more
453a6645
PP
154 paranoid. Problem reported by Martin Tscholak.
155
8544e77a
PP
156PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
157 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
158 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
159 CL also introduces -bmalware, various -d+acl logging additions and
160 more caution in buffer sizes.
8544e77a 161
83e029d5
PP
162PP/09 Implemented reverse_ip expansion operator.
163
ed7f7860
PP
164PP/10 Bugzilla 937: provide a "debug" ACL control.
165
7d9f747b
PP
166PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
167
4b2241d2
PP
168PP/12 Bugzilla 973: Implement --version.
169
10385c15
PP
170PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
171
dbc4b90d
PP
172PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
173
532be449
PP
174PP/15 Bugzilla 816: support multiple condition rules on Routers.
175
6a8de854 176PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
177 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
178 ignore trailing whitespace.
6a8de854 179
5dc43717
JJ
180JJ/02 prevent non-panic DKIM error from being sent to paniclog
181
182JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
183 "exim" to be used
55c75993 184
3346ab01
PP
185PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
186 Notification from Dr Andrew Aitchison.
187
491fab4c
PP
188PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
189 ExtendedDetectionInfo response format.
190 Notification from John Horne.
191
13eb9497
PP
192PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
193 compatible.
194
195PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
196 XSL and documented dependency on system catalogs, with examples of how
197 it normally works.
198
7f36d675
DW
199DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
200 access.
201
c1d94452
DW
202DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
203 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
204 configuration file which is writeable by the Exim user or group.
205
e2f5dc15
DW
206DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
207 of configuration files to cover files specified with the -C option if
208 they are going to be used with root privileges, not just the default
209 configuration file.
210
cd25e41d
DW
211DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
212 option (effectively making it always true).
213
261dc43e
DW
214DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
215 files to be used while preserving root privileges.
216
fa32850b
DW
217DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
218 that rogue child processes cannot use them.
219
79d4bc3d
PP
220PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
221 run-time user, instead of root.
222
2cfd3221
PP
223PP/28 Add WHITELIST_D_MACROS option to let some macros be overriden by the
224 Exim run-time user without dropping privileges.
225
fb08281f
DW
226DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
227 result string, instead of calling string_vformat() twice with the same
228 arguments.
3346ab01 229
74935b98
DW
230DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
231 for other users. Others should always drop root privileges if they use
232 -C on the command line, even for a whitelisted configure file.
233
90b6341f
DW
234DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
235
57730b52
ML
236NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
237
66581d1e 238
465e92cf
JJ
239Exim version 4.72
240-----------------
241
453a6645
PP
242JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
243 $data_path, and $header_path variables; fixed documentation bugs and
244 typos
465e92cf 245
453a6645
PP
246JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
247 exipick to access non-standard spools, including the "frozen" queue
248 (Finput)
edae0343 249
9bd3e22c
NM
250NM/01 Bugzilla 965: Support mysql stored procedures.
251 Patch from Alain Williams
252
bb576ff7
NM
253NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
254
5a1a5845
NM
255NM/03 Bugzilla 955: Documentation fix for max_rcpts.
256 Patch from Andreas Metzler
257
981a9fad
NM
258NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
259 Patch from Kirill Miazine
260
7fc497ee
NM
261NM/05 Bugzilla 671: Added umask to procmail example.
262
1a41defa
JJ
263JJ/03 installed exipick 20100323.0, fixing doc bug
264
a466095c 265NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 266 directory. Notification and patch from Dan Rosenberg.
a466095c 267
94a6bd0b
NM
268TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
269
270TK/02 Improve log output when DKIM signing operation fails.
271
272MH/01 Treat the transport option dkim_domain as a colon separated
273 list, not as a single string, and sign the message with each element,
274 omitting multiple occurences of the same signer.
275
c1b141a8
NM
276NM/07 Null terminate DKIM strings, Null initialise DKIM variable
277 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 278
b26eacf1 279NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
280 Patch by Simon Arlott
281
179c5980 282PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 283 MBX locking. Notification from Dan Rosenberg.
179c5980 284
9bd3e22c 285
7c6d71af
NM
286Exim version 4.71
287-----------------
288
7d9f747b 289TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 290
f013fb92
NM
291NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
292
0eb8eedd
NM
293NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
294
663ee6d9
NM
295NM/03 Bugzilla 847: Enable DNSDB lookup by default.
296
177ebd9b
NM
297NM/04 Bugzilla 915: Flag broken perl installation during build.
298
7c6d71af 299
210f147e
NM
300Exim version 4.70
301-----------------
302
cdd3bb85 303TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 304 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
305
306TK/02 Write list of recipients to X-Envelope-Sender header when building
307 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 308 Hirsch).
cdd3bb85
TK
309
310TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
311 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 312 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
313
314TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
315 by Mark Daniel Reidel <mr@df.eu>.
316
210f147e
NM
317NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
318 When building exim an external PCRE library is now needed -
319 PCRE is a system library on the majority of modern systems.
320 See entry on PCRE_LIBS in EDITME file.
321
deafd5b3
NM
322NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
323 conversation. Added nologin parameter to request.
7d9f747b 324 Patch contributed by Kirill Miazine.
deafd5b3 325
089793a4
TF
326TF/01 Do not log submission mode rewrites if they do not change the address.
327
5f16ca82
TF
328TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
329
dae9d94e 330NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 331 log files in place. Contributed by Roberto Lima.
dae9d94e 332
7d9f747b 333NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 334
06864c44
TF
335TF/03 Bugzilla 615: When checking the local_parts router precondition
336 after a local_part_suffix or local_part_prefix option, Exim now
337 does not use the address's named list lookup cache, since this
338 contains cached lookups for the whole local part.
339
65a7d8c3 340NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 341 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 342
23510047 343TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 344
7d9f747b 345NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 346
7d8eec3a 347NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 348 Patch provided by Jan Srzednicki.
6c588e74 349
89dec7b6
TF
350TF/05 Leading white space used to be stripped from $spam_report which
351 wrecked the formatting. Now it is preserved.
5f28a6e8 352
a99de90c
TF
353TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
354 that they are available at delivery time.
355
e2803e40
TF
356TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
357
7199e1ee
TF
358TF/08 TLS error reporting now respects the incoming_interface and
359 incoming_port log selectors.
360
e276e04b
TF
361TF/09 Produce a more useful error message if an SMTP transport's hosts
362 setting expands to an empty string.
363
ce552449 364NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 365 Patch provided by Phil Pennock.
ce552449 366
e765a0f1 367NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 368 Patch provided by Richard Godbee.
e765a0f1 369
4f054c63 370NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 371 acl_smtp_notquit, added index entry.
4f054c63 372
7d9f747b
PP
373NM/09 Bugzilla 787: Potential buffer overflow in string_format.
374 Patch provided by Eugene Bujak.
24c929a2 375
7d9f747b
PP
376NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
377 accept(). Patch provided by Maxim Dounin.
cf73943b 378
b52bc06e 379NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 380 Patch provided by Phil Pennock.
b52bc06e 381
447de4b0
NM
382NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
383
4c69d561 384NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 385 Patch provided by Brad "anomie" Jorsch.
4c69d561 386
d5c39246 387NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 388 Patch provided by Dean Brooks.
9b989985 389
0b23848a
TK
390TK/05 Add native DKIM support (does not depend on external libraries).
391
8f3414a1 392NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 393 Patch provided by Graeme Fowler.
e2aacdfd 394
fb6f955d
NM
395NM/16 Bugzilla 851: Documentation example syntax fix.
396
397NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 398
7d9f747b
PP
399NM/18 Bugzilla 894: Fix issue with very long lines including comments in
400 lsearch.
dbb0bf41 401
7d9f747b
PP
402NM/19 Bugzilla 745: TLS version reporting.
403 Patch provided by Phil Pennock.
f3766eb5 404
7d9f747b
PP
405NM/20 Bugzilla 167: bool: condition support.
406 Patch provided by Phil Pennock.
36f12725 407
7d9f747b
PP
408NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
409 clients. Patch provided by Phil Pennock.
e6060e2c 410
7d9f747b
PP
411NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
412 Patch provided by Brad "anomie" Jorsch.
5eb690a1 413
7d9f747b
PP
414NM/23 Bugzilla 687: Fix misparses in eximstats.
415 Patch provided by Heiko Schlittermann.
d5c13d66 416
7d9f747b
PP
417NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
418 Patch provided by Heiko Schlittermann.
b2335c0b 419
7d9f747b 420NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 421 plus update to original patch.
f4cd9433 422
7d9f747b 423NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 424
7d9f747b
PP
425NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
426 Patch provided by David Brownlee.
8dc71ab3 427
7d9f747b 428NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 429
7d9f747b 430NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 431
7d9f747b 432NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 433
7d9f747b 434NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 435
17792b53 436NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 437 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 438
7d9f747b
PP
439NM/33 Bugzilla 898: Transport filter timeout fix.
440 Patch by Todd Rinaldo.
52383f8f 441
7d9f747b
PP
442NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
443 Patch by Serge Demonchaux.
5ca6d115 444
7d9f747b
PP
445NM/35 Bugzilla 39: Base64 decode bug fixes.
446 Patch by Jakob Hirsch.
baee9eee 447
7d9f747b 448NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 449
7d9f747b 450NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 451
7d9f747b 452NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 453
7d9f747b 454NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 455
deafd5b3 456
47db1125
NM
457Exim version 4.69
458-----------------
459
4b3504d0
TK
460TK/01 Add preliminary DKIM support. Currently requires a forked version of
461 ALT-N's libdkim that I have put here:
462 http://duncanthrax.net/exim-experimental/
463
464 Note to Michael Haardt: I had to rename some vars in sieve.c. They
465 were called 'true' and it seems that C99 defines that as a reserved
466 keyword to be used with 'bool' variable types. That means you could
467 not include C99-style headers which use bools without triggering
468 build errors in sieve.c.
469
81ea09ca
NM
470NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
471 as mailq or other aliases. Changed the --help handling significantly
472 to do whats expected. exim_usage() emits usage/help information.
473
f13cddcb
SC
474SC/01 Added the -bylocaldomain option to eximstats.
475
7d9f747b 476NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 477
7d9f747b 478NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 479
7d9f747b 480NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
481
482
eb4c0de6
PH
483Exim version 4.68
484-----------------
485
486PH/01 Another patch from the Sieve maintainer.
487
6a3bceb1
PH
488PH/02 When an IPv6 address is converted to a string for single-key lookup
489 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
490 dots are used instead of colons so that keys in lsearch files need not
491 contain colons. This was done some time before quoting was made available
492 in lsearch files. However, iplsearch files do require colons in IPv6 keys
493 (notated using the quote facility) so as to distinguish them from IPv4
494 keys. This meant that lookups for IP addresses in host lists did not work
495 for iplsearch lookups.
496
497 This has been fixed by arranging for IPv6 addresses to be expressed with
498 colons if the lookup type is iplsearch. This is not incompatible, because
499 previously such lookups could never work.
500
501 The situation is now rather anomolous, since one *can* have colons in
502 ordinary lsearch keys. However, making the change in all cases is
503 incompatible and would probably break a number of configurations.
504
2e30fa9d
TK
505TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
506 version.
507
0806a9c5
MH
508MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
509 conversion specification without a maximum field width, thereby enabling
510 a rogue spamd server to cause a buffer overflow. While nobody in their
511 right mind would setup Exim to query an untrusted spamd server, an
512 attacker that gains access to a server running spamd could potentially
513 exploit this vulnerability to run arbitrary code as the Exim user.
514
ae276964
TK
515TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
516 $primary_hostname instead of what libspf2 thinks the hosts name is.
517
0f2cbd1b
MH
518MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
519 a directory entry by the name of the lookup key. Previously, if a
520 symlink pointed to a non-existing file or a file in a directory that
521 Exim lacked permissions to read, a lookup for a key matching that
522 symlink would fail. Now it is enough that a matching directory entry
523 exists, symlink or not. (Bugzilla 503.)
524
2b85bce7
PH
525PH/03 The body_linecount and body_zerocount variables are now exported in the
526 local_scan API.
527
93655c46
PH
528PH/04 Added the $dnslist_matched variable.
529
6c512171
PH
530PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
531 This means they are set thereafter only if the connection becomes
532 encrypted.
533
534PH/06 Added the client_condition to authenticators so that some can be skipped
535 by clients under certain conditions.
536
aa6dc513
PH
537PH/07 The error message for a badly-placed control=no_multiline_responses left
538 "_responses" off the end of the name.
539
a96603a0
PH
540PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
541
8f240103
PH
542PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
543 (without spaces) instead of just copying the configuration text.
544
545PH/10 Added the /noupdate option to the ratelimit ACL condition.
546
d677b2f2
PH
547PH/11 Added $max_received_linelength.
548
d52120f2
PH
549PH/12 Added +ignore_defer and +include_defer to host lists.
550
64f2600a
PH
551PH/13 Installed PCRE version 7.2. This needed some changes because of the new
552 way in which PCRE > 7.0 is built.
553
8669f003
PH
554PH/14 Implemented queue_only_load_latch.
555
a4dc33a8
PH
556PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
557 MAIL command. The effect was to mangle the value on 64-bit systems.
558
d6a60c0f
PH
559PH/16 Another patch from the Sieve maintainer.
560
8f128379
PH
561PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
562
8932dffe
PH
563PH/18 If a system quota error occurred while trying to create the file for
564 a maildir delivery, the message "Mailbox is full" was not appended to the
565 bounce if the delivery eventually timed out. Change 4.67/27 below applied
566 only to a quota excession during the actual writing of the file.
d6a60c0f 567
ddea74fa 568PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
569 characters?) which causes problems in log lines. The DN values are now
570 passed through string_printing() before being added to log lines.
571
ddea74fa 572PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
573 and InterBase are left for another time.)
574
ddea74fa
PH
575PH/21 Added message_body_newlines option.
576
ce9f225c
PH
577PH/22 Guard against possible overflow in moan_check_errorcopy().
578
19897d52
PH
579PH/23 POSIX allows open() to be a macro; guard against that.
580
bc64a74d
PH
581PH/24 If the recipient of an error message contained an @ in the local part
582 (suitably quoted, of course), incorrect values were put in $domain and
583 $local_part during the evaluation of errors_copy.
584
eb4c0de6 585
b4ed4da0
PH
586Exim version 4.67
587-----------------
588
22ad45c9
MH
589MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
590 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
591 Jan Srzednicki.
592
b4ed4da0
PH
593PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
594 issue a MAIL command.
595
431b7361
PH
596PH/02 In an ACL statement such as
597
598 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
599
600 if a client was not listed at all, or was listed with a value other than
601 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
602 the condition was not true (as it should be), so access was not denied.
603 The bug was that the ! inversion was incorrectly passed on to the second
604 item. This has been fixed.
605
606PH/03 Added additional dnslists conditions == and =& which are different from
607 = and & when the dns lookup returns more than one IP address.
608
83da1223
PH
609PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
610 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
611
54fc8428
PH
612PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
613 FSYNC, which compiles an option called disable_fsync that allows for
614 bypassing fsync(). The documentation is heavily laced with warnings.
615
34c5e8dd
SC
616SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
617
bbe15da8
PH
618PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
619 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
620 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
621 including adding "make clean"; (3) Added -fPIC when compiling the test
622 dynamically loaded module, to get rid of a warning.
623
0e8a9471
MH
624MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
625 message fails, move_frozen_messages = true and ignore_bounce_errors_after
626 = 0s. The bug is otherwise harmless.
627
f0872424
PH
628PH/07 There was a bug in the dovecot authenticator such that the value of
629 $auth1 could be overwritten, and so not correctly preserved, after a
630 successful authentication. This usually meant that the value preserved by
631 the server_setid option was incorrect.
632
b01dd148
PH
633PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
634
6bf342e1
PH
635PH/09 Installed PCRE release 7.0.
636
273f34d0
PH
637PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
638 run for batched SMTP input. It is now run at the start of every message
639 in the batch. While fixing this I discovered that the process information
640 (output by running exiwhat) was not always getting set for -bs and -bS
641 input. This is fixed, and it now also says "batched" for BSMTP.
642
cf8b11a5
PH
643PH/11 Added control=no_pipelining.
644
41c7c167
PH
645PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
646 patch, slightly modified), and move the expansion of helo_data till after
647 the connection is made in the smtp transport (so it can use these
648 values).
649
9c57cbc0
PH
650PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
651
f3f065bb
PH
652PH/14 Added log_selector = +pid.
653
047bdd8c
PH
654PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
655
0ce9abe6
PH
656PH/16 Add ${if forany and ${if forall.
657
0e22dfd1
PH
658PH/17 Added dsn_from option to vary the From: line in DSNs.
659
4c590bd1
PH
660PH/18 Flush SMTP output before performing a callout, unless control =
661 no_callout_flush is set.
662
09945f1e
PH
663PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
664 was true (the default) a successful delivery failed to delete the retry
665 item, thus causing premature timeout of the address. The bug is now
666 fixed.
667
c51b8e75
PH
668PH/20 Added hosts_avoid_pipelining to the smtp transport.
669
e28326d8
PH
670PH/21 Long custom messages for fakedefer and fakereject are now split up
671 into multiline reponses in the same way that messages for "deny" and
672 other ACL rejections are.
673
75b1493f
PH
674PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
675 with slight modification.
676
7c5214ec
PH
677PH/23 Applied sieve patches from the maintainer "tracking the latest notify
678 draft, changing the syntax and factoring some duplicate code".
679
4311097e
PH
680PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
681 for deliveries of the second and subsequent messages over the same SMTP
682 connection.
683
29f89cad
PH
684PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
685 ${reduce, with only minor "tidies".
686
5e687460
SC
687SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
688
c3611384
PH
689PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
690 expansion side effects.
691
5a11a7b4
PH
692PH/27 When a message times out after an over-quota error from an Exim-imposed
693 quota, the bounce message says "mailbox is full". This message was not
694 being given when it was a system quota that was exceeded. It now should
695 be the same.
696
0e20aff9
MH
697MH/03 Made $recipients available in local_scan(). local_scan() already has
698 better access to the recipient list through recipients_list[], but
699 $recipients can be useful in postmaster-provided expansion strings.
700
ca86f471
PH
701PH/28 The $smtp_command and $smtp_command_argument variables were not correct
702 in the case of a MAIL command with additional options following the
703 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
704 were accidentally chopped off.
705
a14e5636
PH
706PH/29 SMTP synchronization checks are implemented when a command is read -
707 there is a check that no more input is waiting when there shouldn't be
708 any. However, for some commands, a delay in an ACL can mean that it is
709 some time before the response is written. In this time, more input might
710 arrive, invalidly. So now there are extra checks after an ACL has run for
711 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
712 pipelining has not been advertised.
713
ec95d1a6
PH
714PH/30 MH's patch to allow iscntrl() characters to be list separators.
715
42855d71
PH
716PH/31 Unlike :fail:, a custom message specified with :defer: was not being
717 returned in the SMTP response when smtp_return_error_details was false.
718 This has been fixed.
719
57c2c631
PH
720PH/32 Change the Dovecot authenticator to use read() and write() on the socket
721 instead of the C I/O that was originally supplied, because problems were
722 reported on Solaris.
723
58c01c94
PH
724PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
725 Exim which did not show up earlier: it was assuming that a call to
726 SSL_CTX_set_info_callback() might give an error value. In fact, there is
727 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
728 was a macro that became an assignment, so it seemed to work. This has
729 changed to a proper function call with a void return, hence the compile
730 error. Exim's code has been fixed.
731
dee5a20a
PH
732PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
733 cpus.
734
d2ee6114
PH
735PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
736
b2d5182b
PH
737PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
738
79749a79
PH
739PH/37 If a message is not accepted after it has had an id assigned (e.g.
740 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
741 "Completed" line in the log. When some messages of this type were
742 selected by exigrep, they were listed as "not completed". Others were
743 picked up by some special patterns. I have improved the selection
744 criteria to be more general.
79749a79 745
c456d9bb
PH
746PH/38 The host_find_failed option in the manualroute router can now be set
747 to "ignore", to completely ignore a host whose IP address cannot be
748 found. If all hosts are ignored, the behaviour is controlled by the new
749 host_all_ignored option.
750
cd9868ec
PH
751PH/39 In a list of hosts for manualroute, if one item (either because of multi-
752 homing or because of multiple MX records with /mx) generated more than
753 one IP address, and the following item turned out to be the local host,
754 all the secondary addresses of the first item were incorrectly removed
755 from the list, along with the local host and any following hosts (which
756 is what is supposed to happen).
757
ebeaf996
PH
758PH/40 When Exim receives a message, it writes the login name, uid, and gid of
759 whoever called Exim into the -H file. In the case of the daemon it was
760 behaving confusingly. When first started, it used values for whoever
761 started the daemon, but after a SIGHUP it used the Exim user (because it
762 calls itself on a restart). I have changed the code so that it now always
763 uses the Exim user.
764
2679d413
PH
765PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
766 message are rejected with the same error (e.g. no authentication or bad
767 sender address), and a DATA command is nevertheless sent (as can happen
768 with PIPELINING or a stupid MUA), the error message that was given to the
769 RCPT commands is included in the rejection of the DATA command. This is
770 intended to be helpful for MUAs that show only the final error to their
771 users.
772
84024b72
PH
773PH/42 Another patch from the Sieve maintainer.
774
8005d38e
SC
775SC/02 Eximstats - Differentiate between permanent and temporary rejects.
776 Eximstats - Fixed some broken HTML links and added missing column headers
777 (Jez Hancock).
778 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
779 columns for Rejects, Temp Rejects, Ham, and Spam rows.
780
3298c6c6
SC
781SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
782
a43a27c5
PH
783PH/43 Yet another patch from the Sieve maintainer.
784
58eb016e 785PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
786 the response to the final '.' that terminates a message, but only in the
787 case where the client has not sent further data following the '.'
788 (unfortunately, this is allowed). However, in many cases there won't be
789 any further data because there won't be any more messages to send. A call
790 to select() can be used: if it shows that the input is "ready", there is
791 either input waiting, or the socket has been closed. An attempt to read
792 the next input character can distinguish the two cases. Previously, Exim
58eb016e 793 would have sent an OK response which the client would never have see.
563b63fa
PH
794 This could lead to message repetition. This fix should cure that, at
795 least in a lot of common cases.
58eb016e 796
b43a74ea
PH
797PH/45 Do not advertise STARTTLS in response to HELP unless it would be
798 advertised in response to EHLO.
799
b4ed4da0 800
5dd1517f
PH
801Exim version 4.66
802-----------------
803
804PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
805 fixed by 4.65/MH/01 (is this a record?) are fixed:
806
807 (i) An empty string was always treated as zero by the numeric comparison
808 operators. This behaviour has been restored.
809
810 (ii) It is documented that the numeric comparison operators always treat
811 their arguments as decimal numbers. This was broken in that numbers
812 starting with 0 were being interpreted as octal.
813
814 While fixing these problems I realized that there was another issue that
815 hadn't been noticed. Values of message_size_limit (both the global option
816 and the transport option) were treated as octal if they started with 0.
817 The documentation was vague. These values are now always treated as
818 decimal, and I will make that clear in the documentation.
819
820
93cfa765
TK
821Exim version 4.65
822-----------------
823
824TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
825 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
826 versions. (#438)
827
d6066548
MH
828MH/01 Don't check that the operands of numeric comparison operators are
829 integers when their expansion is in "skipping" mode (fixes bug
830 introduced by 4.64-PH/07).
831
4362ff0d
PH
832PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
833 child addresses, Exim now panics and dies. Previously, because the count
834 is held in a short int, deliveries were likely to be lost. As such a
835 large number of recipients for a single message is ridiculous
836 (performance will be very, very poor), I have chosen to impose a limit
837 rather than extend the field.
838
93cfa765 839
944e9e9c
TF
840Exim version 4.64
841-----------------
aa41d2de 842
21d74bd9
TK
843TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
844 leftover -K file (the existence of which was triggered by #402).
845 While we were at it, introduced process PID as part of the -K
846 filename. This should rule out race conditions when creating
847 these files.
848
849TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
850 processing considerably. Previous code took too long for large mails,
851 triggering a timeout which in turn triggers #401.
852
853TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
854 in the DK code in transports.c. sendfile() is not really portable,
855 hence the _LINUX specificness.
944e9e9c
TF
856
857TF/01 In the add_headers option to the mail command in an Exim filter,
858 there was a bug that Exim would claim a syntax error in any
859 header after the first one which had an odd number of characters
860 in the field name.
861
2b1c6e3a
PH
862PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
863 callout verification, Exim cached a "reject" for the entire domain. This
864 is correct for most verifications, but it is not correct for a recipient
865 verification with use_sender or use_postmaster set, because in that case
866 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
867 case of MAIL FROM:<> rejection from other early rejections (e.g.
868 rejection of HELO). When verifying a recipient using a non-null MAIL
869 address, the cache is ignored if it shows MAIL FROM:<> rejection.
870 Whatever the result of the callout, the value of the domain cache is
871 left unchanged (for any other kind of callout, getting as far as trying
872 RCPT means that the domain itself is ok).
873
1f872c80
PH
874PH/02 Tidied a number of unused variable and signed/unsigned warnings that
875 gcc 4.1.1 threw up.
876
877PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
878 manifest itself as EPIPE rather than ECONNECT. When tidying away a
879 session, the daemon ignores ECONNECT errors and logs others; it now
880 ignores EPIPE as well.
881
d203e649
PH
882PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
883 (quoted-printable decoding).
884
cc2ed8f7 885PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 886 later the small subsequent patch to fix an introduced bug.
f951fd57 887
ddfcd446
PH
888PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
889
d45b1de8
PH
890PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
891
892PH/08 An error is now given if message_size_limit is specified negative.
893
38a0a95f 894PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 895 to be given (somewhat) arbitrary names.
38a0a95f 896
a2405d83
JJ
897JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
898 in 4.64-PH/09.
899
900JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
901 miscellaneous code fixes
902
6ea85e9a
PH
903PH/10 Added the log_reject_target ACL modifier to specify where to log
904 rejections.
905
26da7e20
PH
906PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
907 hostname. This is wrong, because it relates to the incoming message (and
908 probably the interface on which it is arriving) and not to the outgoing
909 callout (which could be using a different interface). This has been
910 changed to use the value of the helo_data option from the smtp transport
911 instead - this is what is used when a message is actually being sent. If
912 there is no remote transport (possible with a router that sets up host
913 addresses), $smtp_active_hostname is used.
6ea85e9a 914
14aa5a05 915PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 916 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
917 (a) The code assumed that strncpy() returns a negative number on buffer
918 overflow, which isn't the case. Replaced with Exim's string_format()
919 function.
920 (b) There were several signed/unsigned issues. I just did the minimum
921 hacking in of casts. There is scope for a larger refactoring.
922 (c) The code used strcasecmp() which is not a standard C function.
923 Replaced with Exim's strcmpic() function.
924 (d) The code set only $1; it now sets $auth1 as well.
925 (e) A simple test gave the error "authentication client didn't specify
926 service in request". It would seem that Dovecot has changed its
927 interface. Fortunately there's a specification; I followed it and
928 changed what the client sends and it appears to be working now.
929
ff75a1f7
PH
930PH/13 Added $message_headers_raw to provide the headers without RFC 2047
931 decoding.
932
e6f6568e
PH
933PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
934 address A is aliased to B and C, where B exists and C does not. Without
935 -v the output is "A verified" because verification stops after a
936 successful redirection if more than one address is generated. However,
937 with -v the child addresses are also verified. Exim was outputting "A
938 failed to verify" and then showing the successful verification for C,
939 with its parentage. It now outputs "B failed to verify", showing B's
940 parentage before showing the successful verification of C.
941
d6f6e0dc
PH
942PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
943 look up a TXT record in a specific list after matching in a combined
944 list.
945
322050c2
PH
946PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
947 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
948 they consult the DNS. I had assumed they would set it the way they
949 wanted; and indeed my experiments on Linux seem to show that in some
950 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
951 To be on the safe side, however, I have now made the interface to
952 host_find_byname() similar to host_find_bydns(), with an argument
953 containing the DNS resolver options. The host_find_byname() function now
954 sets these options at its start, just as host_find_bydns() does. The smtp
955 transport options dns_qualify_single and dns_search_parents are passed to
956 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
957 of host_find_byname() use the default settings of RES_DEFNAMES
958 (qualify_single) but not RES_DNSRCH (search_parents).
959
08955dd3
PH
960PH/17 Applied (a modified version of) Nico Erfurth's patch to make
961 spool_read_header() do less string testing, by means of a preliminary
962 switch on the second character of optional "-foo" lines. (This is
963 overdue, caused by the large number of possibilities that now exist.
964 Originally there were few.) While I was there, I also converted the
965 str(n)cmp tests so they don't re-test the leading "-" and the first
966 character, in the hope this might squeeze out yet more improvement.
967
1eccaa59
PH
968PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
969 flag allowing group syntax was set by the header_syntax check but not
970 turned off, possible causing trouble later; (2) The flag was not being
971 set at all for the header_verify test, causing "group"-style headers to
972 be rejected. I have now set it in this case, and also caused header_
973 verify to ignore an empty address taken from a group. While doing this, I
974 came across some other cases where the code for allowing group syntax
975 while scanning a header line wasn't quite right (mostly, not resetting
976 the flag correctly in the right place). These bugs could have caused
977 trouble for malformed header lines. I hope it is now all correct.
978
602e59e5
PH
979PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
980 with the "reply" argument non-NULL. The code, however (which originally
981 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
982 but it didn't always do it. This confused somebody who was copying the
983 code for some other use. I have removed all the tests.
984
411ef850
PH
985PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
986 feature that was used to support insecure browsers during the U.S. crypto
987 embargo. It requires special client support, and Exim is probably the
988 only MTA that supported it -- and would never use it because real RSA is
989 always available. This code has been removed, because it had the bad
990 effect of slowing Exim down by computing (never used) parameters for the
991 RSA_EXPORT functionality.
992
7befa435
PH
993PH/21 On the advice of Timo Sirainen, added a check to the dovecot
994 authenticator to fail if there's a tab character in the incoming data
995 (there should never be unless someone is messing about, as it's supposed
996 to be base64-encoded). Also added, on Timo's advice, the "secured" option
997 if the connection is using TLS or if the remote IP is the same as the
998 local IP, and the "valid-client-cert option" if a client certificate has
999 been verified.
1000
48da4259 1001PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
1002 authenticators. This can be used for authorization after authentication
1003 succeeds. (In the case of plaintext, it servers for both authentication
1004 and authorization.)
1005
48da4259
PH
1006PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
1007 if any retry times were supplied.
1008
d1d5595c
PH
1009PH/24 Exim crashed if verify=helo was activated during an incoming -bs
1010 connection, where there is no client IP address to check. In this
1011 situation, the verify now always succeeds.
1012
0ef732d9
PH
1013PH/25 Applied John Jetmore's -Mset patch.
1014
328895cc
PH
1015PH/26 Added -bem to be like -Mset, but loading a message from a file.
1016
fd700877
PH
1017PH/27 In a string expansion for a processed (not raw) header when multiple
1018 headers of the same name were present, leading whitespace was being
1019 removed from all of them, but trailing whitespace was being removed only
1020 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
1021 before concatenation. Completely empty headers in a concatenation (as
1022 before) are ignored.
fd700877 1023
8dce1a6f
PH
1024PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
1025 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
1026
17af4a17
PH
1027PH/29 [Removed. This was a change that I later backed out, and forgot to
1028 correct the ChangeLog entry (that I had efficiently created) before
1029 committing the later change.]
f6c332bd
PH
1030
1031PH/30 Exim was sometimes attempting to deliver messages that had suffered
1032 address errors (4xx response to RCPT) over the same connection as other
1033 messages routed to the same hosts. Such deliveries are always "forced",
1034 so retry times are not inspected. This resulted in far too many retries
1035 for the affected addresses. The effect occurred only when there were more
1036 hosts than the hosts_max_try setting in the smtp transport when it had
1037 the 4xx errors. Those hosts that it had tried were not added to the list
1038 of hosts for which the message was waiting, so if all were tried, there
1039 was no problem. Two fixes have been applied:
1040
1041 (i) If there are any address or message errors in an SMTP delivery, none
1042 of the hosts (tried or untried) are now added to the list of hosts
1043 for which the message is waiting, so the message should not be a
1044 candidate for sending over the same connection that was used for a
1045 successful delivery of some other message. This seems entirely
1046 reasonable: after all the message is NOT "waiting for some host".
1047 This is so "obvious" that I'm not sure why it wasn't done
1048 previously. Hope I haven't missed anything, but it can't do any
1049 harm, as the worst effect is to miss an optimization.
1050
1051 (ii) If, despite (i), such a delivery is accidentally attempted, the
1052 routing retry time is respected, so at least it doesn't keep
1053 hammering the server.
1054
c1114884
PH
1055PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
1056 in ${readsocket because some servers need this prod.
1057
7a0743eb
PH
1058PH/32 Added some extra debug output when updating a wait-xxx database.
1059
0d85fa3f
PH
1060PH/33 The hint "could be header name not terminated by colon", which has been
1061 given for certain expansion errors for a long time, was not being given
1062 for the ${if def:h_colon_omitted{... case.
1063
1bf43b78
PH
1064PH/34 The spec says: "With one important exception, whenever a domain list is
1065 being scanned, $domain contains the subject domain." There was at least
1066 one case where this was not true.
1067
520de300
PH
1068PH/35 The error "getsockname() failed: connection reset by peer" was being
1069 written to the panic log as well as the main log, but it isn't really
1070 panic-worthy as it just means the connection died rather early on. I have
1071 removed the panic log writing for the ECONNRESET error when getsockname()
1072 fails.
1073
48c7f9e2
PH
1074PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
1075 runs only) independently of the message's sender address. This meant
1076 that, if the 4xx error was in fact related to the sender, a different
1077 message to the same recipient with a different sender could confuse
1078 things. In particualar, this can happen when sending to a greylisting
1079 server, but other circumstances could also provoke similar problems.
1080 I have changed the default so that the retry time for these errors is now
1081 based a combination of the sender and recipient addresses. This change
1082 can be overridden by setting address_retry_include_sender=false in the
1083 smtp transport.
1084
99ea1c86
PH
1085PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
1086 remote server are returned as part of bounce messages. This was not
1087 happening for LMTP over a pipe (the lmtp transport), but now it is the
1088 same for both kinds of LMTP.
1089
a2042e78
PH
1090PH/38 Despite being documented as not happening, Exim was rewriting addresses
1091 in header lines that were in fact CNAMEs. This is no longer the case.
1092
4fbcfc2e
PH
1093PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
1094 and queue runs started by the daemon processed all messages. This has
1095 been fixed so that -R and -S can now usefully be given with -q<time>.
1096
aa41d2de
PH
1097PH/40 Import PCRE release 6.7 (fixes some bugs).
1098
af561417
PH
1099PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
1100
3cc66b45
PH
1101PH/42 Give an error if -q is specified more than once.
1102
194cc0e4
PH
1103PH/43 Renamed the variables $interface_address and $interface_port as
1104 $received_ip_address and $received_port, to make it clear that these
1105 values apply to message reception, and not to the outgoing interface when
1106 a message is delivered. (The old names remain recognized, of course.)
1107
a401ddaa
PH
1108PH/44 There was no timeout on the connect() call when using a Unix domain
1109 socket in the ${readsocket expansion. There now is.
1110
4e88a19f
PH
1111PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
1112 be meaningful with "accept".
1113
d7d7b289
SC
1114SC/01 Eximstats V1.43
1115 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
1116
1117SC/02 Eximstats V1.44
1118 Use a glob alias rather than an array ref in the generated
1119 parser. This improves both readability and performance.
1120
1121SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
1122 Collect SpamAssassin and rejection statistics.
1123 Don't display local sender or destination tables unless
1124 there is data to show.
1125 Added average volumes into the top table text output.
1126
1127SC/04 Eximstats V1.46
1128 Collect data on the number of addresses (recipients)
1129 as well as the number of messages.
1130
1131SC/05 Eximstats V1.47
1132 Added 'Message too big' to the list of mail rejection
1133 reasons (thanks to Marco Gaiarin).
1134
1135SC/06 Eximstats V1.48
1136 Mainlog lines which have GMT offsets and are too short to
1137 have a flag are now skipped.
1138
1139SC/07 Eximstats V1.49 (Alain Williams)
1140 Added the -emptyok flag.
1141
1142SC/08 Eximstats V1.50
1143 Fixes for obtaining the IP address from reject messages.
1144
0ea2a468
JJ
1145JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
1146 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
1147 whitesspace changes from 4.64-PH/27
1148
1149JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
1150 match 4.64-PH/13
1151
1152JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
1153 are found, allow negative numbers in numeric criteria)
1154
1155JJ/06 exipick.20061117.2, added new $message_body_missing variable
1156
1157JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
1158 to match changes made in 4.64-PH/43
1159
8a10f5a4
PH
1160PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
1161
30e18802
PH
1162PH/47 Put in an explicit test for a DNS lookup of an address record where the
1163 "domain" is actually an IP address, and force a failure. This locks out
1164 those revolvers/nameservers that support "A-for-A" lookups, in
1165 contravention of the specifications.
1166
55728a4f
PH
1167PH/48 When a host name was looked up from an IP address, and the subsequent
1168 forward lookup of the name timed out, the host name was left in
1169 $sender_host_name, contrary to the specification.
d7d7b289 1170
d7837193
PH
1171PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1172 restricted to single-key lookups, Exim was not diagnosing an error if
1173 * or *@ was used with a query-style lookup.
1174
87054a31
PH
1175PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1176
ea2c01d2
MH
1177MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1178 long ago, but noone interested enough thought of it. Let's just say that
1179 the "1.1" means that there are some new functions that weren't there at
1180 some point in the past.
1181
e4fa6968
PH
1182PH/51 Error processing for expansion failure of helo_data from an smtp
1183 transport during callout processing was broken.
1184
56f5d9bd
PH
1185PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1186 tested/used via the -bh/-bhc/-bs options.
1187
922e1c28
PH
1188PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1189 bug, fixed in subsequent PCRE releases).
1190
21eb6e72
PH
1191PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1192 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1193
a0540757
PH
1194PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1195
944e9e9c 1196
478be7b0
SC
1197Exim version 4.63
1198-----------------
1199
1200SC/01 Use a glob alias rather than an array ref in eximstats generated
1201 parser. This improves both readability and performance.
1202
1203SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1204 Don't display local sender or destination tables in eximstats unless
1205 there is data to show.
1206 Added average volumes into the eximstats top table text output.
1207
1208SC/03 Collect data on the number of addresses (recipients) as well
1209 as the number of messages in eximstats.
1210
2b965a65
TF
1211TF/01 Correct an error in the documentation for the redirect router. Exim
1212 does (usually) call initgroups() when daemonizing.
478be7b0 1213
45b91596
PH
1214TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1215 with consistent privilege compared to when running as a daemon.
478be7b0 1216
c59f5781
TF
1217TF/03 Note in the spec that $authenticated_id is not set for local
1218 submissions from trusted users.
1219
90fc3069
TF
1220TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1221 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1222
6083aca0
TF
1223TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1224 by adding some example configuration directives to the default
1225 configuration file. A little bit of work is required to uncomment the
1226 directives and define how usernames and passwords are checked, but
1227 there is now a framework to start from.
1228
765b530f
PH
1229PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1230 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1231 without this. I don't know how relevant this is to other LDAP libraries.
1232
4e167a8c
PH
1233PH/02 Add the verb name to the "unknown ACL verb" error.
1234
4608d683
PH
1235PH/03 Magnus Holmgren's patch for filter_prepend_home.
1236
b8dc3e4a
PH
1237PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1238
5418e93b
PH
1239PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1240 directory not expanded when it should be if an expanded home directory
1241 was set for the address (which is overridden by the transport).
1242
b4a9bda2
PH
1243PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1244 libradius.
1245
45b91596
PH
1246PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1247 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1248 because it is too late at that time, and has no effect.
1249
5547e2c5
PH
1250PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1251 security issue with \' (bugzilla #107). I could not use the
1252 PQescapeStringConn() function, because it needs a PGconn value as one of
1253 its arguments.
1254
dbcef0ea
PH
1255PH/08 When testing addresses using -bt, indicate those final addresses that
1256 are duplicates that would not cause an additional delivery. At least one
1257 person was confused, thinking that -bt output corresponded to deliveries.
1258 (Suppressing duplicates isn't a good idea as you lose the information
1259 about possibly different redirections that led to the duplicates.)
1260
25257489
PH
1261PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1262 systems where poll() doesn't work, in particular OS X.
1263
c816d124
PH
1264PH/10 Added more information to debugging output for retry time not reached.
1265
a9ccd69a
PH
1266PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1267 operations in malware.c.
1268
75fa1910
PH
1269PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1270 signatures.
1271
a7d7aa58
PH
1272PH/13 If write_rejectlog was set false when logging was sent to syslog with
1273 syslog_duplication set false, log lines that would normally be written
1274 both the the main log and to the reject log were not written to syslog at
1275 all.
1276
42119b09
PH
1277PH/14 In the default configuration, change the use of "message" in ACL warn
1278 statements to "add_header".
1279
41609df5
PH
1280PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1281 not followed by a command (e.g. "seen endif").
1282
a5bd321b
PH
1283PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1284 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1285 latter.
1286
e85a7ad5 1287PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1288 so that it is now:
1289
e85a7ad5
PH
1290 ${if or { \
1291 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1292 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1293 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1294 }{no}{yes}}
1295
e85a7ad5
PH
1296 The Auto-Submitted: and various List- headers are standardised, whereas I
1297 don't think Precedence: ever was.
5dff5817 1298
d8fe1c03
PH
1299PH/18 Refactored debugging code in route_finduser() to show more information,
1300 in particular, the error code if getpwnam() issues one.
1301
16282d2b
PH
1302PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1303 This is apparently needed in addition to the PH/07 change above to avoid
1304 any possible encoding problems.
1305
35d40a98
PH
1306PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1307 but not after initializing Perl.
1308
034d99ab
PH
1309PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1310 output them only if debugging. By default they are written stderr,
1311 apparently, which is not desirable.
1312
6ec97b1b
PH
1313PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1314 queries.
1315
e22ca4ac
JJ
1316JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1317 --not options
1318
1319JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1320
33d73e3b
PH
1321PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1322 authenticated or an ident call has been made. Suppress the default
1323 values for $authenticated_id and $authenticated_sender (but permit -oMai
1324 and -oMas) when testing with -bh.
1325
9ecb03f3
PH
1326PH/24 Re-jigged the order of the tests in the default configuration so that the
1327 tests for valid domains and recipients precede the DNS black list and CSA
1328 tests, on the grounds that those ones are more expensive.
1329
084efe8d
PH
1330PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1331 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1332 This bug exists in every version of Exim that I still have, right back to
1333 0.12.
1334
366fc9f0
PH
1335PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1336 However, an attempt to turn on case-sensitivity in a regex key by
1337 including (?-i) didn't work because the subject string was already
1338 lowercased, and the effects were non-intuitive. It turns out that a
1339 one-line patch can be used to allow (?-i) to work as expected.
1340
c59f5781 1341
c887c79e
TF
1342Exim version 4.62
1343-----------------
1344
1345TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1346 other effects) broke the use of negated acl sub-conditions.
1347
1cce3af8
PH
1348PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1349 patch).
1350
afb3eaaf
PH
1351PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1352 "Deny" causes Exim to reject the incoming connection with a 554 error.
1353 Unfortunately, if there is a major crisis, such as a disk failure,
1354 tcp-wrappers gives "deny", whereas what one would like would be some
1355 kind of temporary error. A kludge has been added to help with this.
1356 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1357 554 error is used if errno is still zero or contains ENOENT (which occurs
1358 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1359 451 error is used.
1360
e173618b
PH
1361PH/03 Add -lutil to the default FreeBSD LIBS setting.
1362
dd16e114
PH
1363PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1364 errors. Otherwise a message that provokes a temporary error (when other
1365 messages do not) can cause a whole host to time out.
1366
f7fd3850
PH
1367PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1368 addresses were routed directly to files or pipes from a redirect router.
1369 File deliveries just didn't batch; pipe deliveries might have suffered
1370 odd errors.
1371
d87df92c
PH
1372PH/06 A failure to get a lock for a hints database would erroneously always say
1373 "Failed to get write lock", even when it was really a read lock.
1374
7e9f683d
PH
1375PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1376 of 0600. This has been changed to use the value of the lockfile_mode
1377 option (which defaults to 0600).
1378
bfad5236
PH
1379PH/08 Applied small patch from the Sieve maintainer.
1380
01c490df
PH
1381PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1382 folder from quota calculations, a direct delivery into this folder messed
1383 up the contents of the maildirsize file. This was because the regex was
1384 used only to exclude .Trash (or whatever) when the size of the mailbox
1385 was calculated. There was no check that a delivery was happening into an
1386 excluded directory. This bug has been fixed by ignoring all quota
1387 processing for deliveries into excluded directories.
1388
d6629cdc
PH
1389PH/10 Added the maildirfolder_create_regex option to appendfile.
1390
1cce3af8 1391
214e2000
PH
1392Exim version 4.61
1393-----------------
1394
1395PH/01 The code for finding all the local interface addresses on a FreeBSD
1396 system running IPv6 was broken. This may well have applied to all BSD
1397 systems, as well as to others that have similar system calls. The broken
1398 code found IPv4 interfaces correctly, but gave incorrect values for the
1399 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1400 that it would not match correctly against @[] and not recognize the IPv6
1401 addresses as local.
1402
f9daeae0
PH
1403PH/02 The ipliteral router was not recognizing addresses of the form user@
1404 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1405
7e66e54d
PH
1406PH/03 Added disable_ipv6.
1407
c8ea1597
PH
1408PH/04 Changed $reply_address to use the raw form of the headers instead of the
1409 decoded form, because it is most often used to construct To: headers
1410 lines in autoreplies, and the decoded form may well be syntactically
1411 invalid. However, $reply_address has leading white space removed, and all
1412 newlines turned into spaces so that the autoreply transport does not
1413 grumble.
1414
911f6fde
PH
1415PH/05 If group was specified without a user on a router, and no group or user
1416 was specified on a transport, the group from the router was ignored.
1417
47ca6d6c
PH
1418PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1419 for visible compile-time settings that can be used to change these
1420 numbers, for those that want even more. Backwards compatibility with old
1421 spool files has been maintained. However, going back to a previous Exim
1422 release will lost any variables that are in spool files.
1423
ed0e9820
PH
1424PH/07 Two small changes when running in the test harness: increase delay when
1425 passing a TCP/IP connection to a new process, in case the original
1426 process has to generate a bounce, and remove special handling of
1427 127.0.0.2 (sic), which is no longer necessary.
1428
eff37e47
PH
1429PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1430 be the same on different OS.
1431
1921d2ea
PH
1432PH/09 Moved a debug statement in filter processing to avoid a race problem when
1433 testing.
1434
b3f69ca8
JJ
1435JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1436 whether --show-vars was specified or not
1437
1438JJ/02 exipick: Added support for new ACL variable spool format introduced
1439 in 4.61-PH/06
1440
424a1c63
PH
1441PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1442 syntactically invalid From: or Reply-to: line, and a filter used this to
1443 generate an autoreply, and therefore failed to obtain an address for the
1444 autoreply, Exim could try to deliver to a non-existent relative file
1445 name, causing unrelated and misleading errors. What now happens is that
1446 it logs this as a hard delivery error, but does not attempt to create a
1447 bounce message.
1448
7a100415
PH
1449PH/11 The exinext utility has a -C option for testing purposes, but although
1450 the given file was scanned by exinext itself; it wasn't being passed on
1451 when Exim was called.
1452
19b9dc85
PH
1453PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1454 an end-of-file indication when reading a command response.
1455
309bd837
PH
1456PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1457 compiled. In many other places in Exim, IPv6 addresses are always
1458 recognized, so I have changed this. It also means that IPv4 domain
1459 literals of the form [IPV4:n.n.n.n] are now always recognized.
1460
59e82a2a
PH
1461PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1462 used if the router is not running as root, for example, when verifying at
1463 ACL time, or when using -bh. The debugging output from this situation was
1464 non-existent - all you got was a failure to exec. I have made two
1465 changes:
1466
1467 (a) Failures to set uid/gid, the current directory, or a process leader
1468 in a subprocess such as that created by queryprogram now generate
1469 suitable debugging ouput when -d is set.
1470
1471 (b) The queryprogram router detects when it is not running as root,
1472 outputs suitable debugging information if -d is set, and then runs
1473 the subprocess without attempting to change uid/gid.
1474
9edc04ce
PH
1475PH/15 Minor change to Makefile for building test_host (undocumented testing
1476 feature).
1477
1349e1e5
PH
1478PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1479 additional section of a DNS packet that returns MX or SRV records.
1480 Instead, it always explicitly searches for A/AAAA records. This avoids
1481 major problems that occur when a DNS server includes only records of one
1482 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1483 fixed another bug: if SRV records were looked up and the corresponding
1484 address records were *not* found in the additional section, the port
1485 values from the SRV records were lost.
1486
ea49d0e1
PH
1487PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1488 using the correct key (the original address) when searching the retry
1489 rules in order to find which one to use for generating the retry hint.
1490
064a94c9
PH
1491PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1492 adding the default one. Similarly, if it contains a Reply-To: header, the
1493 errors_reply_to option, if set, is not used.
1494
727071f8
PH
1495PH/19 When calculating a retry time, Exim used to measure the "time since
1496 failure" by looking at the "first failed" field in the retry record. Now
1497 it does not use this if it is later than than the arrival time of the
1498 message. Instead it uses the arrival time. This makes for better
1499 behaviour in cases where some deliveries succeed, thus re-setting the
1500 "first failed" field. An example is a quota failure for a huge message
1501 when small messages continue to be delivered. Without this change, the
1502 "time since failure" will always be short, possible causing more frequent
1503 delivery attempts for the huge message than are intended.
dd16e114 1504 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1505
f78eb7c6
PH
1506PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1507 $1, $2, $3) because the numerical variables can be reset during some
1508 expansion items (e.g. "match"), thereby losing the authentication data.
1509
21c28500
PH
1510PH/21 Make -bV show the size of off_t variables so that the test suite can
1511 decide whether to run tests for quotas > 2G.
1512
1513PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1514 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1515 filecount value is greater than 2G or if a quota value is greater than 2G
1516 on a system where the size of off_t is not greater than 4, a panic error
1517 is given.
1518
1688f43b
PH
1519PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1520 never match. The debug and -bh output now contains an explicit error
1521 message indicating a malformed IPv4 address or mask.
1522
1523PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1524 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1525 PH/23 above applies.
1526
9675b384
PH
1527PH/25 Do not write to syslog when running in the test harness. The only
1528 occasion when this arises is a failure to open the main or panic logs
1529 (for which there is an explicit test).
1530
6a3f1455
PH
1531PH/26 Added the /no_tell option to "control=freeze".
1532
dac79d3e
PH
1533PH/27 If a host name lookup failed very early in a connection, for example, if
1534 the IP address matched host_lookup and the reverse lookup yielded a name
1535 that did not have a forward lookup, an error message of the form "no IP
1536 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1537 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1538
5977a0b3
PH
1539PH/28 An enabling patch from MH: add new function child_open_exim2() which
1540 allows the sender and the authenticated sender to be set when
1541 submitting a message from within Exim. Since child_open_exim() is
1542 documented for local_scan(), the new function should be too.
1543
c91535f3
PH
1544PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1545 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1546 results in an empty string is now treated as unset.
1547
0d46a8c8
PH
1548PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1549
278c6e6c
PH
1550PH/31 Added sender_verify_fail logging option.
1551
2cbb4081
PH
1552PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1553 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1554 tidied the source and removed it altogether.
1555
3eef829e
PH
1556PH/33 When a queue run was abandoned because the load average was too high, a
1557 log line was always written; now it is written only if the queue_run log
1558 selector is set. In addition, the log line for abandonment now contains
1559 information about the queue run such as the pid. This is always present
1560 in "start" and "stop" lines but was omitted from the "abandon" line.
1561
1ab95fa6
PH
1562PH/34 Omit spaces between a header name and the colon in the error message that
1563 is given when verify = headers_syntax fails (if there are lots of them,
1564 the message gets confusing).
1565
230205fc
PH
1566PH/35 Change the default for dns_check_names_pattern to allow slashes within
1567 names, as there are now some PTR records that contain slashes. This check
1568 is only to protect against broken name servers that fall over on strange
1569 characters, so the fact that it applies to all lookups doesn't matter.
1570
75e0e026
PH
1571PH/36 Now that the new test suite is complete, we can remove some of the
1572 special code in Exim that was needed for the old test suite. For example,
1573 sorting DNS records because real resolvers return them in an arbitrary
1574 order. The new test suite's fake resolver always returns records in the
1575 same order.
1576
1577PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1578 bounces) except when queue_only is set, to avoid logging races between
1579 the different processes.
1580
145396a6
PH
1581PH/38 Panic-die if .include specifies a non-absolute path.
1582
3cd34f13
PH
1583PH/39 A tweak to the "H" retry rule from its user.
1584
11121d3d
JJ
1585JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1586 a label. They prevented compilation on older perls.
1587
1588JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1589 a warning to be raised on newish perls.
1590
1591JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1592 on queue. Changes to match documented behaviour of showing count of
1593 messages matching specified criteria.
1594
8def5aaf
PH
1595PH/40 Changed the default ident timeout from 30s to 5s.
1596
929ba01c
PH
1597PH/41 Added support for the use of login_cap features, on those BSD systems
1598 that have them, for controlling the resources used by pipe deliveries.
1599
2632889e
PH
1600PH/42 The content-scanning code uses fopen() to create files in which to put
1601 message data. Previously it was not paying any attention to the mode of
1602 the files. Exim runs with umask(0) because the rest of the code creates
1603 files with open(), and sets the required mode explicitly. Thus, these
1604 files were ending up world-writeable. This was not a big issue, because,
1605 being within the spool directory, they were not world-accessible. I have
1606 created a function called modefopen, which takes an additional mode
1607 argument. It sets umask(777), creates the file, chmods it to the required
1608 mode, then resets the umask. All the relevant calls to fopen() in the
1609 content scanning code have been changed to use this function.
1610
944a9c55
PH
1611PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1612 to 24 hours. This avoids potential overflow problems when processing G
1613 and H retry rules. I suspect nobody ever tinkers with this value.
1614
4a23603b
PH
1615PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1616
4730f942
PH
1617PH/45 When the plaintext authenticator is running as a client, the server's
1618 challenges are checked to ensure they are valid base64 strings. By
1619 default, the authentication attempt is cancelled if an invalid string is
1620 received. Setting client_ignore_invalid_base64 true ignores these errors.
1621 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1622 they are received. Thus, the responses can be made to depend on the
1623 challenges. If an invalid string is ignored, an empty string is placed in
1624 the variable.
1625
30dba1e6
PH
1626PH/46 Messages that are created by the autoreply transport now contains a
1627 References: header, in accordance with RFCs 2822 and 3834.
1628
382afc6b
PH
1629PH/47 Added authenticated_sender_force to the smtp transport.
1630
a86229cf
PH
1631PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1632
50c99ba6
PH
1633PH/49 Installed latest patch from the Sieve maintainer.
1634
d35e429d
PH
1635PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1636 was also set, the appendfile transport was unnecessarily scanning a
1637 directory of message files (e.g. for maildir delivery) to find the count
1638 of files (along with the size), even though it did not need this
1639 information. It now does the scan only if it needs to find either the
1640 size of the count of files.
1641
f90d018c
PH
1642PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1643
75def545
PH
1644PH/52 Two bugs concerned with error handling when the smtp transport is
1645 used in LMTP mode:
1646
1647 (i) Exim was not creating retry information for temporary errors given
1648 for individual recipients after the DATA command when the smtp transport
1649 was used in LMTP mode. This meant that they could be retried too
1650 frequently, and not timed out correctly.
1651
1652 (ii) Exim was setting the flag that allows error details to be returned
1653 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1654 recipients that were returned after the DATA command.
1655
1656PH/53 This is related to PH/52, but is more general: for any failing address,
1657 when detailed error information was permitted to be returned to the
1658 sender, but the error was temporary, then after the final timeout, only
1659 "retry timeout exceeded" was returned. Now it returns the full error as
1660 well as "retry timeout exceeded".
1661
c46782ef
PH
1662PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1663 do this, and (what is worse) MTAs that accept it.
1664
71fafd95
PH
1665PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1666 will now be deprecated.
1667
2c5db4fd
PH
1668PH/56 New os.c-cygwin from the Cygwin maintainer.
1669
9cf6b11a
JJ
1670JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1671 formats (previously only available in exim formats via -bpr, -bpru,
1672 and -bpra. Now also available in native and exiqgrep formats)
1673
1674JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1675 with very large, slow to parse queues
1676
1677JJ/08 exipick: added ! as generic prefix to negate any criteria format
1678
1679JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1680
898d150f
PH
1681PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1682 responses to authentication challenges, though it was showing the
1683 challenges; (ii) I've removed the CR characters from the debug output for
1684 SMTP output lines.
1685
46218253
PH
1686PH/58 Allow for the insertion of a newline as well as a space when a string
1687 is turned into more than one encoded-word during RFC 2047 encoding. The
1688 Sieve code now uses this.
1689
e97957bc
PH
1690PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1691 data_4xx, lost_connection, tls_required.
1692
81e509d7
PH
1693PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1694 message was being sent as an SMTP response.
1695
3d240ff7
PH
1696PH/61 Add -l and -k options to exicyclog.
1697
b37c4101
PH
1698PH/62 When verifying, if an address was redirected to one new address, so that
1699 verification continued, and the new address failed or deferred after
1700 having set something in $address_data, the value of $address_data was not
1701 passed back to the ACL. This was different to the case when no
1702 redirection occurred. The value is now passed back in both cases.
1703
79378e0f
PH
1704PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1705 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1706 use login_cap.h, so on its own it isn't the distinguishing feature. The
1707 new name refers directly to the setclassresources() function.
1708
e49c7bb4
PH
1709PH/65 Added configuration files for NetBSD3.
1710
d114ec46
PH
1711PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1712
f3d7df6c
PH
1713PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1714 is preferred over IPv4.
1715
715ab376
PH
1716PH/68 The bounce_return_message and bounce_return_body options were not being
1717 honoured for bounces generated during the reception of non-SMTP messages.
1718 In particular, this applied to messages rejected by the ACL. This bug has
1719 been fixed. However, if bounce_return_message is true and bounce_return_
1720 body is false, the headers that are returned for a non-SMTP message
1721 include only those that have been read before the error was detected.
1722 (In the case of an ACL rejection, they have all been read.)
1723
6b31b150
PH
1724PH/69 The HTML version of the specification is now built in a directory called
1725 spec_html instead of spec.html, because the latter looks like a path with
1726 a MIME-type, and this confuses some software.
1727
1728PH/70 Catch two compiler warnings in sieve.c.
1729
d515a917
PH
1730PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1731 function verify_get_ident() calls ip_connect() to connect a socket, but
1732 if the "connect()" function timed out, ip_connect() used to close the
1733 socket. However, verify_get_ident() also closes the socket later, and in
1734 between Exim writes to the log, which may get opened at this point. When
1735 the socket was closed in ip_connect(), the log could get the same file
1736 descriptor number as the socket. This naturally causes chaos. The fix is
1737 not to close the socket in ip_connect(); the socket should be closed by
1738 the function that creates it. There was only one place in the code where
1739 this was missing, in the iplookup router, which I don't think anybody now
1740 uses, but I've fixed it anyway.
1741
9b8fadde
PH
1742PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1743 well as to direct DNS lookups. Otherwise the handling of names in host
1744 lists is inconsistent and therefore confusing.
1745
214e2000 1746
5de37277
PH
1747Exim version 4.60
1748-----------------
1749
cc38ddbf
PH
1750PH/01 Two changes to the default runtime configuration:
1751
1752 (1) Move the checks for relay_from_hosts and authenticated clients from
1753 after to before the (commented out) DNS black list checks.
1754
1755 (2) Add control=submission to the relay_from_hosts and authenticated
1756 clients checks, on the grounds that messages accepted by these
1757 statements are most likely to be submissions.
5de37277 1758
72fdd6ae
PH
1759PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1760
1761 (1) Generate an error if the third argument for the ${prvs expansion is
1762 not a single digit.
1763
1764 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1765 string.
1766
1767 (3) Reset the variables that are obtained from the first argument of
1768 ${prvscheck and used in the second argument before leaving the code,
1769 because their memory is reclaimed, so using them afterwards may do
1770 silly things.
1771
1772 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1773 one (it's much easier than Tom thought :-).
1774
1775 (5) Because of (4), we can now allow for the use of $prvscheck_result
1776 inside the third argument.
cb9328de 1777
cb741023
PH
1778PH/03 For some reason, the default setting of PATH when running a command from
1779 a pipe transport was just "/usr/bin". I have changed it to
1780 "/bin:/usr/bin".
1781
f174f16e
PH
1782PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1783 anything to be listed in the output from -bV.
b2f5a032 1784
c25242d7
PH
1785PH/05 When a filter generated an autoreply, the entire To: header line was
1786 quoted in the delivery log line, like this:
1787
1788 => >A.N.Other <ano@some.domain> <original@ddress> ...
1789
1790 This has been changed so that it extracts the operative address. There
1791 may be more than one such address. If so, they are comma-separated, like
1792 this:
1793
1794 => >ano@some.domain,ona@other.domain <original@ddress> ...
1795
82c19f95
PH
1796PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1797 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1798 not being looked up in the rDNS to get a host name, Exim was showing the
1799 IP address twice in Received: lines, even though the IP addresses were
1800 identical. For example:
1801
1802 Received: from [1.2.3.4] (helo=[1.2.3.4])
1803
1804 However, if the real host name was known, it was omitting the HELO data
1805 if it matched the actual IP address. This has been tidied up so that it
1806 doesn't show the same IP address twice.
1807
d7ffbc12
PH
1808PH/07 When both +timestamp and +memory debugging was on, the value given by
1809 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1810 called by the debug printing, thereby overwriting the timestamp buffer.
1811 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1812
9f526266
PH
1813PH/08 When the original message was included in an autoreply transport, it
1814 always said "this is a copy of the message, including all the headers",
1815 even if body_only or headers_only was set. It now gives an appropriate
1816 message.
1817
87fcc8b9
PH
1818PH/09 Applied a patch from the Sieve maintainer which:
1819
1820 o fixes some comments
1821 o adds the (disabled) notify extension core
1822 o adds some debug output for the result of if/elsif tests
1823 o points to the current vacation draft in the documentation
1824 and documents the missing references header update
1825
1826 and most important:
1827
1828 o fixes a bug in processing the envelope test (when testing
1829 multiple envelope elements, the last element determinted the
1830 result)
1831
456682f5
PH
1832PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1833 Electronic Mail") by including:
1834
1835 Auto-submitted: auto-generated
1836
1837 in the messages that it generates (bounce messages and others, such as
1838 warnings). In the case of bounce messages for non-SMTP mesages, there was
1839 also a typo: it was using "Auto_submitted" (underscore instead of
1840 hyphen). Since every message generated by Exim is necessarily in response
1841 to another message, thes have all been changed to:
1842
1843 Auto-Submitted: auto-replied
1844
1845 in accordance with these statements in the RFC:
1846
1847 The auto-replied keyword:
1848
1849 - SHOULD be used on messages sent in direct response to another
1850 message by an automatic process,
1851
1852 - MUST NOT be used on manually-generated messages,
1853
1854 - MAY be used on Delivery Status Notifications (DSNs) and Message
1855 Disposition Notifications (MDNs),
1856
1857 - MUST NOT be used on messages generated by automatic or periodic
1858 processes, except for messages which are automatic responses to
1859 other messages.
1860
3e46c1aa
PH
1861PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1862 to the default Received: header definition.
456682f5 1863
49826d12
PH
1864PH/12 Added log selector acl_warn_skipped (default on).
1865
eba0c039
PH
1866PH/13 After a successful wildlsearch lookup, discard the values of numeric
1867 variables because (a) they are in the wrong storage pool and (b) even if
1868 they were copied, it wouldn't work properly because of the caching.
1869
a0d6ba8a
PH
1870PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1871 checking when decoding. Apparently there are clients that generate
1872 overlong encoded strings. Why am I not surprised?
1873
f0917727
PH
1874PH/15 If the first argument of "${if match_address" was not empty, but did not
1875 contain an "@" character, Exim crashed. Now it writes a panic log message
1876 and treats the condition as false.
1877
096fee00
PH
1878PH/16 In autoreply, treat an empty string for "once" the same as unset.
1879
024bd3c2
PH
1880PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1881 extension "envelope-auth". The code is finished and in agreement with
1882 other implementations, but there is no documentation so far and in fact,
1883 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1884 not changing the active code.
1885
1886 Print executed "if" and "elsif" statements when debugging is used. This
1887 helps a great deal to understand what a filter does.
1888
1889 Document more things not specified clearly in RFC3028. I had all this
1890 sorted out, when out of a sudden new issues came to my mind. Oops."
1891
df199fec
PH
1892PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1893 (Bugzilla #53).
1894
d27f1df3
PH
1895PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1896 canonical form (as documented). However, after a host name lookup from
1897 the IP address, check_host() was doing a simple string comparison with
1898 addresses acquired from the DNS when checking that the found name did
1899 have the original IP as one of its addresses. Since any found IPv6
1900 addresses are likely to be in abbreviated form, the comparison could
1901 fail. Luckily, there already exists a function for doing the comparison
1902 by converting both addresses to binary, so now that is used instead of
1903 the text comparison.
1904
96776534
PH
1905PH/20 There was another similar case to PH/19, when a complete host name was
1906 given in a host list; looking up its IP address could give an abbreviated
1907 form, whereas the current host's name might or might not be abbreviated.
1908 The same fix has been applied.
1909
5de37277 1910
9a799bc0
PH
1911Exim version 4.54
1912-----------------
1913
1914PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1915 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1916 It now does.
1917
99a4b039
PH
1918PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1919 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1920
1921PH/03 Typo: missing ".o" in src/pcre/Makefile.
1922
4b233853
PH
1923PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1924 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1925 Also, for "Auto-Submitted", treat anything other than "no" as
1926 non-personal, in accordance with RFC 3834. (Previously it treated
1927 anything starting "auto-" as non-personal.)
1928
8857ccfd
PH
1929TF/01 The control=submission/name=... option had a problem with syntax
1930 errors if the name included a slash character. The /name= option
1931 now slurps the rest of the string, so it can include any characters
1932 but it must come last in the list of options (after /sender_retain
1933 or /domain=).
1934
433a2980
PH
1935PH/05 Some modifications to the interface to the fake nameserver for the new
1936 testing suite.
1937
3e46c1aa 1938
9a799bc0 1939
e3a311ba
TK
1940Exim version 4.53
1941-----------------
1942
1943TK/01 Added the "success_on_redirect" address verification option. See
1944 NewStuff for rationale and an example.
1945
13b685f9
PH
1946PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1947
395ff96d
PH
1948PH/02 Patch to exigrep to allow it to work on syslog lines.
1949
5b68f6e4
PH
1950PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1951 fread() to skip over the body file's header line, because in Cygwin the
1952 header line is locked and is inaccessible.
1953
1ab52c69
PH
1954PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1955 co-exist for some time) to make it clear that it is the Exim ID that is
1956 referenced, not the Message-ID: header line.
1957
b07e6aa3
PH
1958PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
1959 string_format() function, because snprintf() does not exist on all
1960 operating systems.
1961
254e032f
PH
1962PH/06 The use of forbid_filter_existstest now also locks out the use of the
1963 ${stat: expansion item.
1964
3af76a81
PH
1965PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
1966 protocol synchronization error", to keep the pedants happy.
1967
2548ba04
PH
1968PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
1969 well as for IRIX systems, when gcc is being used. See the host.c source
1970 file for comments.
1971
b6c6011d
PH
1972PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
1973
cf39cf57
PH
1974PH/10 Named domain lists were not working if used in a queue_smtp_domains
1975 setting.
1976
f1513293
PH
1977PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
1978 transport and to the smtp transport in LMTP mode.
1979
727549a4
PH
1980TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
1981
af46795e
PH
1982PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
1983 run a filter in a subprocess. This could lead to confusion in subsequent
1984 lookups in the parent process. There should also be a search_tidyup() at
1985 the end of the subprocess.
1986
d7b47fd0
PH
1987PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
1988 only if the host matched helo_try_verify_hosts, which caused the
1989 verification to occur when the EHLO/HELO command was issued. The ACL just
1990 tested the remembered result. Now, if a previous verification attempt has
1991 not happened, "verify = helo" does it there and then.
1992
ee744174
JJ
1993JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
1994
b582ab87
PH
1995TK/03 Fix log output including CR from clamd.
1996
41a13e0a
PH
1997PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
1998 exist provoked a memory error which could cause a segfault.
1999
f625cc5a
PH
2000PH/15 Installed PCRE 6.2
2001
2002PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
2003
21f7af35
PH
2004PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
2005 of the problem. Specifically, suggested +O2 rather than +O1 for the
2006 HP-UX compiler.
2007
31480e42
PH
2008PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
2009
2d280592
PH
2010PH/20 If a delivery was routed to a non-standard port by means of an SRV
2011 record, the port was not correctly logged when the outgoing_port log
2012 selector was set (it logged the transort's default port).
2013
7cd1141b
PH
2014PH/21 Added support for host-specific ports to manualroute, queryprogram,
2015 fallback_hosts, and "hosts" in the smtp transport.
2016
2017PH/22 If the log selector "outgoing_port" is set, the port is now also given on
2018 host errors such as "Connection refused".
2019
750af86e
PH
2020PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
2021 authentication with radiusclient 0.4.9:
2022
2023 - Error returned from rc_read_config was caught wrongly
2024 - Username/password not passed on to radius server due to wrong length.
2025
2026 The presumption is that some radiusclient API changes for 4.51/PH/17
2027 were not taken care of correctly. The code is still untested by me (my
2028 Linux distribution still has 0.3.2 of radiusclient), but it was
2029 contributed by a Radius user.
2030
2031PH/24 When doing a callout, the value of $domain wasn't set correctly when
2032 expanding the "port" option of the smtp transport.
2033
4304270b
TK
2034TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
2035 while reading a MIME header. Thanks to Tom Hughes for a patch.
2036
750af86e
PH
2037PH/24 Include config.h inside local_scan.h so that configuration settings are
2038 available.
2039
64ffc24f
PH
2040PH/25 Make $smtp_command_argument available after all SMTP commands. This means
2041 that in an ACL for RCPT (for example), you can examine exactly what was
2042 received.
2043
5dd9625b
PH
2044PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
2045 commands, but it was not correctly comparing the address with the actual
2046 client host address. Thus, it would show the EHLO address in Received:
2047 header lines when this was not necessary.
2048
5591031b
PH
2049PH/27 Added the % operator to ${eval:}.
2050
ba18e66a
PH
2051PH/28 Exim tries to create and chdir to its spool directory when it starts;
2052 it should be ignoring failures (because with -C, for example, it has lost
2053 privilege). It wasn't ignoring creation failures other than "already
2054 exists".
2055
9cec981f
PH
2056PH/29 Added "crypteq" to the list of supported features that Exim outputs when
2057 -bV or -d is used.
2058
aa2b5c79
PH
2059PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
2060 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
2061 too many continuations, the temporary file was not being removed, and the
2062 return code was incorrect.
aa2b5c79 2063
48a53b7f
PH
2064PH/31 Missing "BOOL" in function definition in filtertest.c.
2065
1c59d63b
PH
2066PH/32 Applied Sieve patches from the maintainer.
2067
671012da
TK
2068TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
2069
1509d3a8
PH
2070PH/33 Added "verify = not_blind".
2071
2072PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
2073 Local/Makefile (with some defaults set). These are used in built scripts
2074 such as exicyclog, but they have never been used in the exim_install
2075 script (though there are many overriding facilities there). I have
2076 arranged that the exim_install script now takes note of these two
2077 settings.
2078
2079PH/35 Installed configuration files for Dragonfly.
2080
2fe1a124
PH
2081PH/36 When a locally submitted message by a trusted user did not contain a
2082 From: header, and the sender address was obtained from -f or from an SMTP
2083 MAIL command, and the trusted user did not use -F to supply a sender
2084 name, $originator_name was incorrectly used when constructing a From:
2085 header. Furthermore, $originator_name was used for submission mode
2086 messages from external hosts without From: headers in a similar way,
2087 which is clearly wrong.
2088
8800895a
PH
2089PH/37 Added control=suppress_local_fixups.
2090
ccfdb010
PH
2091PH/38 When log_selector = +received_sender was set, and the addition of the
2092 sender made the log line's construction buffer exactly full, or one byte
2093 less than full, an overflow happened when the terminating "\n" was
2094 subsequently added.
2095
1130bfb0
PH
2096PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
2097 when the result of a list match is failure because a DNS lookup failed.
2098
ebcb507f
PH
2099PH/40 RM_COMMAND is now used in the building process.
2100
c35e155c
PH
2101PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
2102 the "build-* directories that it finds.
2103
95d1f782
PH
2104PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
2105 address in a domain literal was a prefix of an interface address.
2106
fd6de02e
PH
2107PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
2108 when verifying a sender address, unless rewrite_headers is false.
2109
58de37c5
PH
2110PH/44 Wrote a long comment about why errors_to addresses are verified as
2111 recipients, not senders.
2112
261cf466
TF
2113TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
2114 the ratelimit ACL was added.
2115
3ee512ff
PH
2116PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
2117
e08c430f
PH
2118PH/46 Added extra information about PostgreSQL errors to the error string.
2119
bef5a11f
PH
2120PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
2121 avoiding the need to install special zones in a real server. This is
2122 backwards compatible; if it can't find the fake resolver, it drops back.
2123 Thus, both old and new test suites can be run.
2124
7546de58
TF
2125TF/02 Added util/ratelimit.pl
2126
e5d5a95f
TF
2127TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
2128 clock is set back in time.
2129
2e88a017
TF
2130TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
2131 Candler <B.Candler@pobox.com>.
2132
a5f65aa4
TF
2133TF/05 The fix for PH/43 was not completely correct; widen_domains is always
2134 OK for addresses that are the result of redirections.
2135
e7726cbf
PH
2136PH/48 A number of further additions for the benefit of the new test suite,
2137 including a fake gethostbyname() that interfaces to the fake DNS resolver
2138 (see PH/47 above).
2139
a7fdad5b
TF
2140TF/06 The fix for widen_domains has also been applied to qualify_single and
2141 search_parents which are the other dnslookup options that can cause
2142 header rewrites.
2143
6af56900
PH
2144PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
2145 type ("H").
2146
0925ede6
PH
2147PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
2148
66afa403
TF
2149TF/07 Exim produced the error message "an SRV record indicated no SMTP
2150 service" if it encountered an MX record with an empty target hostname.
2151 The message is now "an MX or SRV record indicated no SMTP service".
2152
0154e85a
TF
2153TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
2154 if the DNS of the sending site is misconfigured. This is quite a
2155 common situation. This change restores the behaviour of treating a
2156 helo verification defer as a failure.
2157
16f12c76
PH
2158PH/51 If self=fail was set on a router, the bounce message did not include the
2159 actual error message.
2160
bbe902f0 2161
e5a9dba6
PH
2162Exim version 4.52
2163-----------------
2164
2165TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
2166
22c3b60b
PH
2167PH/01 When a transport filter timed out in a pipe delivery, and the pipe
2168 command itself ended in error, the underlying message about the transport
2169 filter timeout was being overwritten with the pipe command error. Now the
2170 underlying error message should be appended to the second error message.
2171
06a9b4b5
PH
2172TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2173
c1ac6996
PH
2174PH/02 Reduce the amount of output that "make" produces by default. Full output
2175 can still be requested.
2176
9c7a242c
PH
2177PH/03 The warning log line about a condition test deferring for a "warn" verb
2178 was being output only once per connection, rather than after each
2179 occurrence (because it was using the same function as for successful
2180 "warn" verbs). This seems wrong, so I have changed it.
2181
87ba3f5f
PH
2182TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2183 it should not have, which might have caused a crash in the right
2184 circumstances, but probably never did.
2185
2186PH/04 Installed a modified version of Tony Finch's patch to make submission
2187 mode fix the return path as well as the Sender: header line, and to
2188 add a /name= option so that you can make the user's friendly name appear
2189 in the header line.
2190
29aba418
TF
2191TF/03 Added the control = fakedefer ACL modifier.
2192
fe0dab11
TF
2193TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2194 Mark Lowes for thorough testing.
870f6ba8 2195
11d337a4
TK
2196TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2197
2198TK/03 Merged latest SRS patch from Miles Wilton.
2199
415c8f3b
PH
2200PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2201 with the definition in sysexits.h (which is #included earlier).
2202 Fortunately, Exim does not actually use EX_OK. The code used to try to
2203 preserve the sysexits.h value, by assumimg that macro definitions were
2204 scanned for macro replacements. I have been disabused of this notion,
2205 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2206
958541e9
PH
2207PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2208 in the smtp transport. When a block could not be written in a single
2209 write() function, the timeout was being re-applied to each part-write.
2210 This seems wrong - if the receiver was accepting one byte at a time it
2211 would take for ever. The timeout is now adjusted when this happens. It
2212 doesn't have to be particularly precise.
2213
c206415f
TK
2214TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2215 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2216
2a4be8f9
PH
2217PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2218 without a domain if the check to <postmaster@domain> fails.
2219
1cba11c5
SC
2220SC/01 Eximstats: added -xls and the ability to specify output files
2221 (patch written by Frank Heydlauf).
2222
2223SC/02 Eximstats: use FileHandles for outputing results.
2224
2225SC/03 Eximstats: allow any combination of xls, txt, and html output.
2226
2227SC/04 Eximstats: fixed display of large numbers with -nvr option
2228
2229SC/05 Eximstats: fixed merging of reports with empty tables.
2230
2231SC/06 Eximstats: added the -include_original_destination flag
2232
2233SC/07 Eximstats: removed tabs and trailing whitespace.
2234
1005d00e
TK
2235TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2236
2237TK/06 MBOX spool code: Add real "From " MBOX separator line
2238 so the .eml file is really in mbox format (even though
2239 most programs do not really care). Patch from Alex Miller.
2240
2241TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2242 The latter is generated from $received_to and is only set if the
2243 message has one envelope recipient. SA can use these headers,
2244 obviously out-of-the-box. Patch from Alex Miller.
2245
9b4768fa
PH
2246PH/08 The ${def test on a variable was returning false if the variable's
2247 value was "0", contrary to what the specification has always said!
2248 The result should be true unless the variable is empty.
2249
2250PH/09 The syntax error of a character other than { following "${if
2251 def:variable_name" (after optional whitespace) was not being diagnosed.
2252 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2253 accidental colon was present, for example, could give incorrect results.
2254
0d7eb84a
PH
2255PH/10 Tidied the code in a number of places where the st_size field of a stat()
2256 result is used (not including appendfile, where other changes are about
2257 to be made).
2258
2259PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2260 This involved changing a lot of size variables from int to off_t. It
2261 should work with maildirs and everything.
2262
40727bee
TK
2263TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2264 spamd dying while we are connected to it.
2265
554d2369
TF
2266TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2267 <jgh@wizmail.org>
2268
1f922db1
PH
2269PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2270 function for BDB 4.3.
2271
ef213c3b
PH
2272PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2273
8ac170f3
PH
2274PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2275 the sources for PCRE have been re-arranged and more files are now
2276 involved.
2277
b1c749bb
PH
2278PH/15 The code I had for printing potentially long long variables in PH/11
2279 above was not the best (it lost precision). The length of off_t variables
2280 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2281 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2282 to be "long long int" or "long int". This is needed for the internal
2283 formatting function string_vformat().
b1c749bb 2284
4aac9b49
PH
2285PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2286 the configuration file to be ":syslog", then the script "guesses" where
2287 the logs files are, rather than using the compiled in default. In our
2288 case the guess is not the same as the compiled default, so the script
2289 suddenly stopped working when I started to use syslog. The patch checks
2290 to see if log_file_path is "". If so, it attempts to read it from exim
2291 with no configuration file to get the compiled in version, before it
2292 falls back to the previous guessing code."
2293
294520c8
TK
2294TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2295 implementing BATV in an Exim configuration. See NewStuff for the gory
2296 details.
2297
5bd022fe
PH
2298PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2299 Makefile that are specific to HP-UX.
2300
90e9ce59
PH
2301PH/18 If the "use_postmaster" option was set for a recipient callout together
2302 with the "random" option, the postmaster address was used as the MAIL
2303 FROM address for the random test, but not for the subsequent recipient
2304 test. It is now used for both.
2305
5ea81592
PH
2306PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2307 patch removes a few documentation additions to RFC 3028, because the
2308 latest draft now contains them. It adds the new en;ascii-case comparator
2309 and a new error check for 8bit text in MIME parts. Comparator and
2310 require names are now matched exactly. I enabled the subaddress
2311 extension, but it is not well tested yet (read: it works for me)."
2312
c6c2dc1d
PH
2313PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2314 rework some of the code of TK/09 above to avoid the hardwired use of
2315 "%lld" and "long long". Replaced the call to snprintf() with a call to
2316 string_vformat().
2317
fffffe4c
PH
2318PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2319 records point to non-existent hosts", "retry timeout exceeded", and
2320 "retry time not reached for any host after a long failure period".
ca02eafb 2321
9a26b6b2
PH
2322PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2323 experimental DomainKeys support:
2324
2325 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2326 (2) On an error such as an illegally used "control", the wrong name for
2327 the control was given.
2328
2329 These problems did NOT occur unless DomainKeys support was compiled.
2330
4aee0225
PH
2331PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2332
32d668a5
PH
2333PH/24 Added ${if match_ip condition.
2334
8187c3f3
PH
2335PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2336 databases so that it will be absolutely obvious if a crash occurs in the
2337 DB library. This is a regular occurrence (often caused by mis-matched
2338 db.h files).
2339
ff790e47 2340PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2341 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2342 picked up on a user's system that detects such things. There doesn't seem
2343 to be a gcc warning option for this - only an attribute that has to be
2344 put on the function's prototype. It seems that in Fedora Core 4 they have
2345 set this on a number of new functions. No doubt there will be more in due
2346 course.
ff790e47 2347
5417f6d1
PH
2348PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2349 specify a transport. However, if an address that was verified by such a
2350 router was the subject of a callout, Exim crashed because it tried to
2351 read the rcpt_include_affixes from the non-existent transport. Now it
2352 just assumes that the setting of that option is false. This bug was
2353 introduced by 4.51/PH/31.
2354
59cf8544
PH
2355PH/28 Changed -d+all to exclude +memory, because that information is very
2356 rarely of interest, but it makes the output a lot bigger. People tend to
2357 do -d+all out of habit.
2358
e7ad8a65
PH
2359PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2360 code in os-type was giving problems when libc.so lives in lib64, like on
2361 x86_64 Fedora Core.
2362
ade42478
PH
2363PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2364 aren't the modern standard, and it seems that some systems' include files
2365 don't always have them. Exim was already checking for some of the newer
2366 ones like T_AAAA, and defining it itself. I've added checks for all the
2367 record types that Exim uses.
2368
182ad5cf
PH
2369PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2370 not automatically generating a new one, as it is supposed to. This
2371 prevented TLS from working. If the file did exist, but contained invalid
2372 data, a new version was generated, as expected. It was only the case of a
2373 non-existent file that was broken.
2374
b0d9fc80
TK
2375TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2376 with a change in libdomainkeys > 0.64.
2377
2378TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2379 from DNS. If the selector record carries the flag, it now has
2380 precedence over the domain-wide flag.
2381
2382TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2383
47c7a64a
PH
2384PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2385 the use of a port name that isn't defined in /etc/services) occurred, the
2386 message was deferred as in a normal delivery, and thus remained on the
2387 spool, instead of being failed because of the mua_wrapper setting. This
2388 is now fixed, and I tidied up some of the mua_wrapper messages at the
2389 same time.
2390
a388bce4
SC
2391SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2392 the messages in a hash of arrays rather than using individual hashes.
2393 This is a bit cleaner and results in dramatic memory savings, albeit
2394 at a slight CPU cost.
2395
2396SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2397 as requested by Marc Sherman.
2398
2399SC/10 Eximstats: added histograms for user specified patterns as requested
2400 by Marc Sherman.
2401
0793e4ed
SC
2402SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2403
c58b88df
PH
2404PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2405 fopen() in the content-scanning modules that did not already have it.
2406
e7ad8a65 2407
7982096b
PH
2408Exim version 4.51
2409-----------------
2410
1a46a8c5
PH
2411TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2412 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2413
2f079f46 2414TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2415
2416TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2417
2418PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2419 to test Sieve filters that use "vacation".
2420
2421PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2422 that changes the way the GnuTLS parameters are stored in the cache file.
2423 The new format can be generated externally. For backward compatibility,
2424 if the data in the cache doesn't make sense, Exim assumes it has read an
2425 old-format file, and it generates new data and writes a new file. This
2426 means that you can't go back to an older release without removing the
2427 file.
2428
2429PH/03 A redirect router that has both "unseen" and "one_time" set does not
2430 work if there are any delivery delays because "one_time" forces the
2431 parent to be marked "delivered", so its unseen clone is never tried
2432 again. For this reason, Exim now forbids the simultaneous setting of
2433 these two options.
2434
2435PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2436 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2437 entry if you want to know the details. The fix, however, neglected to
2438 consider the case when local delivery batching is involved. The test for
2439 "previously delivered" was not happening when checking to see if an
2440 address could be batched with a previous (undelivered) one; under
2441 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2442 address.
1a46a8c5
PH
2443
2444PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2445 in its include files, and this causes problems building Exim.
2446
2447PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2448 header_syntax) but Exim was just ignoring anything given after a slash.
2449 In particular, this caused confusion with an attempt to use "verify =
2450 reverse_host_lookup/defer_ok". An error is now given when options are
2451 supplied for verify items that do not have them. (Maybe reverse_host_
2452 lookup should have a defer_ok option, but that's a different point.)
2453
2454PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2455 defined by RFC 821) to 2048, because there were problems with some AUTH
2456 commands, and RFC 1869 says the size should be increased for extended
2457 SMTP commands that take arguments.
2458
2459PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2460 Finch).
2461
2462PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2463 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2464
49c2d5ea
PH
2465PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2466 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2467 whatever). Otherwise the password may appear in the log. Following change
2468 PH/42 below, there is no longer a chance of it appearing in a bounce
2469 message.
49c2d5ea 2470
bf759a8b
PH
2471PH/11 Installed exipick version 20050225.0 from John Jetmore.
2472
83364d30
PH
2473PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2474 of its addresses was ever tried. (Bugzilla bug #2.)
2475
7999bbd7
PH
2476PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2477 the result incorrectly in the debug output. (It correctly added a newline
2478 to what was transported.)
2479
7dbf77c9
PH
2480TF/01 Added $received_time.
2481
74e0617f
PH
2482PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2483 commented out examples of how to interface to a virus scanner and to
2484 SpamAssassin. Also added commented examples of av_scanner and
2485 spamd_address settings.
2486
2f079f46
PH
2487PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2488 and controls are allowed in which ACLs. There were a couple of minor
2489 errors. Some of the entries in the conditions table (which is a table of
2490 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2491 negation of where the condition IS allowed.
2492
8c841523
PH
2493PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2494
7766a4f0
PH
2495PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2496 header file does not have a version number, so I've had to invent a new
2497 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2498 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2499 radiusclient), but it was contributed by a Radius user.
2500
8b417f2c
PH
2501PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2502 files or directories, for OpenSSL.
2503
901f42cb
PH
2504PH/19 When an Exim process that is running as root has to create an Exim log
2505 file, it does so in a subprocess that runs as exim:exim so as to get the
2506 ownership right at creation (otherwise, other Exim processes might see
2507 the file with the wrong ownership). There was no test for failure of this
2508 fork() call, which would lead to the process getting stuck as it waited
2509 for a non-existent subprocess. Forks do occasionally fail when resources
2510 run out. I reviewed all the other calls to fork(); they all seem to check
2511 for failure.
2512
f9b9210e
PH
2513PH/20 When checking for unexpected SMTP input at connect time (before writing
2514 the banner), Exim was not dealing correctly with a non-positive return
2515 from the read() function. If the client had disconnected by this time,
2516 the result was a log entry for a synchronization error with an empty
2517 string after "input=" when read() returned zero. If read() returned -1
2518 (an event I could not check), uninitialized data bytes were printed.
2519 There were reports of junk text (parts of files, etc) appearing after
2520 "input=".
2521
54cdb463
PH
2522PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2523
cf00dad6
PH
2524PH/22 Added support for macro redefinition, and (re)definition in between
2525 driver and ACL definitions.
2526
acb1b346
PH
2527PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2528 forgetting to use the resulting value; it was using the unexpanded value.
2529
c5ddb310
PH
2530PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2531 hadn't been configured. The fix is from Juergen Kreileder, who
2532 understands it better than I do:
2533
2534 "Here's what I see happening with three configured cyrus_sasl
2535 authenticators configured (plain, login, cram-md5):
2536
2537 On startup auth_cyrus_sasl_init() gets called for each of these.
2538 This means three calls to sasl_listmech() without a specified mech_list.
2539 => SASL tests which mechs of all available mechs actually work
2540 => three warnings about OTP not working
2541 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2542
2543 With the patch, sasl_listmech() also gets called three times. But now
2544 SASL's mech_list option is set to the server_mech specified in the the
2545 authenticator. Or in other words, the answer from sasl_listmech()
2546 gets limited to just the mech you're testing for (which is different
2547 for each call.)
2548 => the return list contains just 'plain' or 'login', 'cram-md5' or
2549 nothing depending on the value of ob->server_mech.
2550
2551 I've just tested the patch: Authentication still works fine,
2552 unavailable mechs specified in the exim configuration are still
2553 caught, and the auth.log warnings about OTP are gone."
2554
31619da6
PH
2555PH/25 When debugging is enabled, the contents of the command line are added
2556 to the debugging output, even when log_selector=+arguments is not
2557 specified.
2558
bebaf0fc
PH
2559PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2560 answer is "GNU", and only if the return is "GNU/something" is the answer
2561 "Linux".
2562
475fe28a
PH
2563PH/27 $acl_verify_message is now set immediately after the failure of a
2564 verification in an ACL, and so is available in subsequent modifiers. In
2565 particular, the message can be preserved by coding like this:
2566
2567 warn !verify = sender
2568 set acl_m0 = $acl_verify_message
2569
2570 Previously, $acl_verify_message was set only while expanding "message"
2571 and "log_message" when a very denied access.
2572
7e8bec7a
PH
2573PH/28 Modified OS/os.c-Linux with
2574
2575 -#ifndef OS_LOAD_AVERAGE
2576 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2577
2578 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2579 nomenclature these days.)
2580
e4a89c47
PH
2581PH/29 Installed patch from the Sieve maintainer that adds the options
2582 sieve_useraddress and sieve_subaddress to the redirect router.
2583
5ca2a9a1
PH
2584PH/30 In these circumstances:
2585 . Two addresses routed to the same list of hosts;
2586 . First host does not offer TLS;
2587 . First host accepts first address;
2588 . First host gives temporary error to second address;
2589 . Second host offers TLS and a TLS session is established;
2590 . Second host accepts second address.
2591 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2592 and peerdn, if requested) that were in fact used only for the second
2593 address.
7e8bec7a 2594
c688b954
PH
2595PH/31 When doing a callout as part of verifying an address, Exim was not paying
2596 attention to any local part prefix or suffix that was matched by the
2597 router that accepted the address. It now behaves in the same way as it
2598 does for delivery: the affixes are removed from the local part unless
2599 rcpt_include_affixes is set on the transport.
2600
fed77020
PH
2601PH/32 Add the sender address, as F=<...>, to the log line when logging a
2602 timeout during the DATA phase of an incoming message.
2603
7fe1560f
PH
2604PH/33 Sieve envelope tests were broken for match types other than :is. I have
2605 applied a patch sanctioned by the Sieve maintainer.
c688b954 2606
ebb6e6d5
PH
2607PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2608 the uid or gid is negative. A case of a negative gid caused this to be
2609 noticed. The fix allows for either to be negative.
2610
9c4e8f60
PH
2611PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2612 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2613 overlooked.
2614
2615PH/36 The change PH/12 above was broken. Fixed it.
2616
d7174846
PH
2617PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2618 the grounds that routing the same address twice would always produce the
2619 same answer. This might have been true once, but it is certainly no
2620 longer true now. Routing a child address may depend on the previous
2621 routing that produced that child. Some complicated redirection strategies
2622 went wrong when messages had multiple recipients, and made Exim's
2623 behaviour dependent on the order in which the addresses were given.
2624
2625 I have moved the duplicate checking until after the routing is complete.
2626 Exim scans the addresses that are assigned to local and remote
2627 transports, and removes any duplicates. This means that more work will be
2628 done, as duplicates will always all be routed, but duplicates are
2629 presumably rare, so I don't expect this is of any significance.
2630
2631 For deliveries to pipes, files, and autoreplies, the duplicate checking
2632 still happens during the routing process, since they are not going to be
2633 routed further.
2634
cfe75fc3
PH
2635PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2636 It corrects a timeout issue with spamd. This is Ian's comment: "The
2637 background is that sometimes spamd either never reads data from a
2638 connection it has accepted, or it never writes response data. The exiscan
2639 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2640 blindly assumes that writes won't block so it may never time out."
2641
be22d70e
PH
2642PH/39 Allow G after quota size as well as K and M.
2643
0612b098
PH
2644PH/40 The value set for $authenticated_id in an authenticator may not contain
2645 binary zeroes or newlines because the value is written to log lines and
2646 to spool files. There was no check on this. Now the value is run through
2647 the string_printing() function so that such characters are converted to
2648 printable escape sequences.
2649
2e0c1448
PH
2650PH/41 $message_linecount is a new variable that contains the total number of
2651 lines in the message. Compare $body_linecount, which is the count for the
2652 body only.
2653
447d236c
PH
2654PH/42 Exim no longer gives details of delivery errors for specific addresses in
2655 bounce and delay warning messages, except in certain special cases, which
2656 are as follows:
2657
2658 (a) An SMTP error message from a remote host;
2659 (b) A message specified in a :fail: redirection;
2660 (c) A message specified in a "fail" command in a system filter;
2661 (d) A message specified in a FAIL return from the queryprogram router;
2662 (e) A message specified by the cannot_route_message router option.
2663
2664 In these cases only, Exim does include the error details in bounce and
2665 warning messages. There are also a few cases where bland messages such
2666 as "unrouteable address" or "local delivery error" are given.
2667
d20976dc
PH
2668PH/43 $value is now also set for the "else" part of a ${run expansion.
2669
f656d135
PH
2670PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2671 being worked on, but at least Exim now implements the latest version to
2672 play with."
2673
2e2a30b4
PH
2674PH/45 In a pipe transport, although a timeout while waiting for the pipe
2675 process to complete was treated as a delivery failure, a timeout while
2676 writing the message to the pipe was logged, but erroneously treated as a
2677 successful delivery. Such timeouts include transport filter timeouts. For
2678 consistency with the overall process timeout, these timeouts are now
2679 treated as errors, giving rise to delivery failures by default. However,
2680 there is now a new Boolean option for the pipe transport called
2681 timeout_defer, which, if set TRUE, converts the failures into defers for
2682 both kinds of timeout. A transport filter timeout is now identified in
2683 the log output.
2684
9176e9f0
PH
2685PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2686 systems where "make" and "gmake" are different, calling "gmake" at top
2687 level broke things. I've arranged for the value of $(MAKE) to be passed
2688 from the Makefile to this script so that it can call the same version of
2689 "make".
2690
7982096b 2691
bbe902f0
PH
2692A note about Exim versions 4.44 and 4.50
2693----------------------------------------
2694
2695Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2696changes of various kinds. As a consequence, a big documentation update was
2697needed. This delayed the release for rather longer than seemed good, especially
2698in the light of a couple of (minor) security issues. Therefore, the changes
2699that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2700release. So 4.44 and 4.50 are in effect two different branches that both start
2701from 4.43.
2702
2703I have left the 4.50 change log unchanged; it contains all the changes since
27044.43. The change log for 4.44 is below; many of its items are identical to
2705those for 4.50. This seems to be the most sensible way to preserve the
2706historical information.
2707
2708
f7b63901 2709Exim version 4.50
495ae4b0
PH
2710-----------------
2711
5fe762f6
PH
2712 1. Minor wording change to the doc/README.SIEVE file.
2713
139059f6 2714 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2715 computation of the current number of files was incorrect.
495ae4b0 2716
7086e875
PH
2717 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2718 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2719 place.
2720
35af9f61
PH
2721 4. Give more explanation in the error message when the command for a transport
2722 filter fails to execute.
2723
b668c215
PH
2724 5. There are several places where Exim runs a non-Exim command in a
2725 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2726 was being done only for the command run by the queryprogram router. It is
2727 now done for all such subprocesses. The other cases are: ${run, transport
2728 filters, and the commands run by the lmtp and pipe transports.
2729
a494b1e1
PH
2730 6. Added CONFIGURE_GROUP build-time option.
2731
2732 7. Some older OS have a limit of 256 on the maximum number of file
2733 descriptors. Exim was using setrlimit() to set 1000 as a large value
2734 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2735 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2736
c5fcb476
PH
2737 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2738 was an oversight, and furthermore, ever since the addition of extra
2739 controls (e.g. 4.43/32), the checks on when to allow different forms of
2740 "control" were broken. There should now be diagnostics for all cases when a
2741 control that does not make sense is encountered.
2742
69358f02
PH
2743 9. Added the /retain_sender option to "control=submission".
2744
5be20824
PH
274510. $recipients is now available in the predata ACL (oversight).
2746
eb2c0248
PH
274711. Tidy the search cache before the fork to do a delivery from a message
2748 received from the command line. Otherwise the child will trigger a lookup
2749 failure and thereby defer the delivery if it tries to use (for example) a
2750 cached ldap connection that the parent has called unbind on.
2751
2a3eea10
PH
275212. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2753 of $address_data from the recipient verification was clobbered by the
2754 sender verification.
2755
275613. The value of address_data from a sender verification is now available in
2757 $sender_address_data in subsequent conditions in the ACL statement.
2758
23c7ff99
PH
275914. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2760
4deaf07d
PH
276115. Added a new option "connect=<time>" to callout options, to set a different
2762 connection timeout.
2763
926e1192
PH
276416. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2765 was its contents. (It was OK if the option was not defined at all.)
2766
650edc6f
PH
276717. A "Completed" log line is now written for messages that are removed from
2768 the spool by the -Mrm option.
2769
2c7db3f5
PH
277018. New variables $sender_verify_failure and $recipient_verify_failure contain
2771 information about exactly what failed.
2772
3d235903
PH
277319. Added -dd to debug only the daemon process.
2774
7c7ad977
PH
277520. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2776 handles timeouts, both on the server side and network timeouts. Renamed the
2777 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2778
981756db
PH
277921. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2780 It is now set to "smtps".
2781
d4eb88df
PH
278222. $host_address is now set to the target address during the checking of
2783 ignore_target_hosts.
2784
278523. When checking ignore_target_hosts for an ipliteral router, no host name was
2786 being passed; this would have caused $sender_host_name to have been used if
2787 matching the list had actually called for a host name (not very likely,
2788 since this list is usually IP addresses). A host name is now passed as
2789 "[x.x.x.x]".
2790
7d468ab8
PH
279124. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2792 code that specifies a non-restarting handler (typically sigaction() in
2793 modern systems) in an attempt to fix a rare and obscure crash bug.
2794
279525. Narrowed the window for a race in the daemon that could cause it to ignore
2796 SIGCHLD signals. This is not a major problem, because they are used only to
2797 wake it up if nothing else does.
2798
62c0818f
PH
279926. A malformed maildirsize file could cause Exim to calculate negative values
2800 for the mailbox size or file count. Odd effects could occur as a result.
2801 The maildirsize information is now recalculated if the size or filecount
2802 end up negative.
2803
26034054
PH
280427. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2805 support for a long time. Removed HAVE_SYS_VFS_H.
2806
af66f652
PH
280728. Installed the latest version of exipick from John Jetmore.
2808
90af77f4
PH
280929. In an address list, if the pattern was not a regular expression, an empty
2810 subject address (from a bounce message) matched only if the pattern was an
2811 empty string. Non-empty patterns were not even tested. This was the wrong
2812 because it is perfectly reasonable to use an empty address as part of a
2813 database query. An empty address is now tested by patterns that are
2814 lookups. However, all the other forms of pattern expect the subject to
2815 contain a local part and a domain, and therefore, for them, an empty
2816 address still always fails if the pattern is not itself empty.
2817
d8ef3577
PH
281830. Exim went into a mad DNS loop when attempting to do a callout where the
2819 host was specified on an smtp transport, and looking it up yielded more
2820 than one IP address.
2821
5cb8cbc6
PH
282231. Re-factored the code for checking spool and log partition space into a
2823 function that finds that data and another that does the check. The former
2824 is then used to implement four new variables: $spool_space, $log_space,
2825 $spool_inodes, and $log_inodes.
2826
14702f5b
PH
282732. The RFC2047 encoding function was originally intended for short strings
2828 such as real names; it was not keeping to the 75-character limit for
2829 encoded words that the RFC imposes. It now respects the limit, and
2830 generates multiple encoded words if necessary. To be on the safe side, I
2831 have increased the buffer size for the ${rfc2047: expansion operator from
2832 1024 to 2048 bytes.
2833
063b1e99
PH
283433. It is now permitted to omit both strings after an "if" condition; if the
2835 condition is true, the result is "true". As before, when the second string
2836 is omitted, a false condition yields an empty string. This makes it less
2837 cumbersome to write custom ACL and router conditions.
2838
652e1b65
PH
283934. Failure to deliver a bounce message always caused it to be frozen, even if
2840 there was an errors_to setting on the router. The errors_to setting is now
2841 respected.
2842
6f0c9a4f
PH
284335. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2844 canonical form (fully expanded) before being placed in
2845 $sender_host_address.
2846
33397d19
PH
284736. The table in the code that translates DNS record types into text (T_A to
2848 "A" for instance) was missing entries for NS and CNAME. It is just possible
2849 that this could have caused confusion if both these types were looked up
2850 for the same domain, because the text type is used as part of Exim's
2851 per-process caching. But the chance of anyone hitting this buglet seems
2852 very small.
2853
7bb56e1f
PH
285437. The dnsdb lookup has been extended in a number of ways.
2855
2856 (1) There is a new type, "zns", which walks up the domain tree until it
2857 finds some nameserver records. It should be used with care.
2858
ea3bc19b
PH
2859 (2) There is a new type, "mxh", which is like "mx" except that it returns
2860 just the host names, not the priorities.
2861
2862 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2863 looked up. The behaviour when one of the lookups defers can be
2864 controlled by a keyword.
7bb56e1f 2865
ea3bc19b 2866 (4) It is now possible to specify the separator character for use when
7bb56e1f 2867 multiple records are returned.
33397d19 2868
0bcb2a0e
PH
286938. The dnslists ACL condition has been extended: it is now possible to supply
2870 a list of IP addresses and/or domains to be looked up in a particular DNS
2871 domain.
2872
2ac0e484
PH
287339. Added log_selector=+queue_time_overall.
2874
4e1fde53
PH
287540. When running the queue in the test harness, wait just a tad after forking a
2876 delivery process, to get repeatability of debugging output.
2877
de365ded
PH
287841. Include certificate and key file names in error message when GnuTLS fails
2879 to set them up, because the GnuTLS error message doesn't include the name
2880 of the failing file when there is a problem reading it.
2881
f05da2e8
PH
288242. Allow both -bf and -bF in the same test run.
2883
d6453af2
PH
288443. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2885
f7b63901
PH
288644. The "Exiscan patch" is now merged into the mainline Exim source.
2887
288845. Sometimes the final signoff response after QUIT could fail to get
2889 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2890 < 0 before doing a fflush(). This bug looks as though it goes back to the
2891 introduction of TLS in release 3.20, but "sometimes" must have been rare
2892 because the tests only now provoked it.
2893
a444213a
PH
289446. Reset the locale to "C" after calling embedded Perl, in case it was changed
2895 (this can affect the format of dates).
2896
0ec020ea
PH
289747. exim_tidydb, when checking for the continued existence of a message for
2898 which it has found a message-specific retry record, was not finding
2899 messages that were in split spool directories. Consequently, it was
2900 deleting retry records that should have stayed in existence.
2901
b1206957
PH
290248. Steve fixed some bugs in eximstats.
2903
290449. The SPA authentication driver was not abandoning authentication and moving
2905 on to the next authenticator when an expansion was forced to fail,
2906 contradicting the general specification for all authenticators. Instead it
2907 was generating a temporary error. It now behaves as specified.
2908
26dd5a95
PH
290950. The default ordering of permitted cipher suites for GnuTLS was pessimal
2910 (the order specifies the preference for clients). The order is now AES256,
2911 AES128, 3DES, ARCFOUR128.
2912
343b2385
PH
291351. Small patch to Sieve code - explicitly set From: when generating an
2914 autoreply.
2915
1c5466b9
PH
291652. Exim crashed if a remote delivery caused a very long error message to be
2917 recorded - for instance if somebody sent an entire SpamAssassin report back
2918 as a large number of 550 error lines. This bug was coincidentally fixed by
2919 increasing the size of one of Exim's internal buffers (big_buffer) that
2920 happened as part of the Exiscan merge. However, to be on the safe side, I
2921 have made the code more robust (and fixed the comments that describe what
2922 is going on).
2923
55ee9ee3
PH
292453. Now that there can be additional text after "Completed" in log lines (if
2925 the queue_time_overall log selector is set), a one-byte patch to exigrep
2926 was needed to allow it to recognize "Completed" as not the last thing in
2927 the line.
2928
d38f8232
PH
292954. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2930 patch that reportedly fixes this has been added. I am not expert enough to
2931 create a test for it. This is what the patch creator wrote:
2932
2933 "I found a little strange behaviour of ldap code when working with
2934 Windows 2003 AD Domain, where users was placed in more than one
2935 Organization Units. When I tried to give exim partial DN, the exit code
2936 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2937 But simultaneously result of request was absolutely normal ldap result,
2938 so I produce this patch..."
2939
3295e65b
PH
2940 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2941 REFERENCE, so I have modified the code to exclude the patch when that macro
2942 is not defined.
2943
7102e136
PH
294455. Some experimental protocols are using DNS PTR records for new purposes. The
2945 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2946 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2947 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2948 CAN-2005-0021
7102e136 2949
3ca0ba97
PH
295056. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2951
c2bcbe20
PH
295257. Double the size of the debug message buffer (to 2048) so that more of very
2953 long debug lines gets shown.
2954
18ce445d
PH
295558. The exicyclog utility now does better if the number of log files to keep
2956 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2957
1f5b4c3d
PH
295859. Two changes related to the smtp_active_hostname option:
2959
2960 (1) $smtp_active_hostname is now available as a variable.
2961 (2) The default for smtp_banner uses $smtp_active_hostname instead
2962 of $primary_hostname.
2963
b975ba52
PH
296460. The host_aton() function is supposed to be passed a string that is known
2965 to be a valid IP address. However, in the case of IPv6 addresses, it was
2966 not checking this. This is a hostage to fortune. Exim now panics and dies
2967 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
2968 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2969 components; fortuitously, this particular loophole had already been fixed
2970 by change 4.50/55 above.
2971
2972 If there are any other similar loopholes, the new check in host_aton()
2973 itself should stop them being exploited. The report I received stated that
2974 data on the command line could provoke the exploit when Exim was running as
2975 exim, but did not say which command line option was involved. All I could
2976 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2977 running as the user.
ea3a6f44 2978 CAN-2005-0021
85b87bc2
PH
2979
298061. There was a buffer overflow vulnerability in the SPA authentication code
2981 (which came originally from the Samba project). I have added a test to the
2982 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 2983 CAN-2005-0022
b975ba52 2984
17ffcae7
PH
298562. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
2986 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
2987
d95f9fdb
PH
298863. The daemon start-up calls getloadavg() while still root for those OS that
2989 need the first call to be done as root, but it missed one case: when
2990 deliver_queue_load_max is set with deliver_drop_privilege. This is
2991 necessary for the benefit of the queue runner, because there is no re-exec
2992 when deliver_drop_privilege is set.
2993
86b8287f
PH
299464. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
2995 This has been fixed.
2996
60dc5e56
PH
299765. Caching of lookup data for "hosts =" ACL conditions, when a named host list
2998 was in use, was not putting the data itself into the right store pool;
2999 consequently, it could be overwritten for a subsequent message in the same
3000 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3001 the caching.)
3002
533244af
PH
300366. Added hosts_max_try_hardlimit to the smtp transport, default 50.
3004
a5a28604
PH
300567. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
3006 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
3007 the function were treating the return as a boolean value, which happened to
3008 work because 0=false and not-0=true, but is not correct code.
3009
7e634d24
PH
301068. The host_aton() function was not handling scoped IPv6 addresses (those
3011 with, for example, "%eth0" on the end) correctly.
3012
3e11c26b
PH
301369. Fixed some compiler warnings in acl.c for the bitmaps specified with
3014 negated items (that is, ~something) in unsigned ints. Some compilers
3015 apparently mutter when there is no cast.
3016
6729cf78
PH
301770. If an address verification called from an ACL failed, and did not produce a
3018 user-specific message (i.e. there was only a "system" message), nothing was
3019 put in $acl_verify_message. In this situation, it now puts the system
3020 message there.
3021
00f00ca5
PH
302271. Change 4.23/11 added synchronization checking at the start of an SMTP
3023 session; change 4.31/43 added the unwanted input to the log line - except
3024 that it did not do this in the start of session case. It now does.
3025
c9bdd01c
PH
302672. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
3027 This is wrong and can cause the other end to generate a synchronization
3028 error if it is another Exim or anything else that does the synchronization
3029 check. A QUIT command is no longer sent after a timeout.
3030
d43194df
PH
303173. $host_lookup_deferred has been added, to make it easier to detect DEFERs
3032 during host lookups.
3033
fe5b5d0b
PH
303474. The defer_ok option of callout verification was not working if it was used
3035 when verifying addresses in header lines, that is, for this case:
3036
3037 verify = header_sender/callout=defer_ok
3038
76a2d7ba
PH
303975. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
3040 those file descriptors could be used for SMTP connections. If anything
3041 wrote to stderr (the example that came up was "warn" in embedded Perl), it
3042 could be sent to the SMTP client, causing chaos. The daemon now opens
3043 stdin, stdout, and stderr to /dev/null when it puts itself into the
3044 background.
3045
304676. Arrange for output from Perl's "warn" command to be written to Exim's main
3047 log by default. The user can override this with suitable Perl magic.
3048
04f7d5b9
PH
304977. The use of log_message on a "discard" ACL verb, which is supposed to add to
3050 the log message when discard triggers, was not working for the DATA ACL or
3051 for the non-SMTP ACL.
3052
bc60667e
PH
305378. Error message wording change in sieve.c.
3054
bb6e88ff
PH
305579. If smtp_accept_max_per_host was set, the number of connections could be
3056 restricted to fewer than expected, because the daemon was trying to set up
3057 a new connection before checking whether the processes handling previous
3058 connections had finished. The check for completed processes is now done
3059 earlier. On busy systems, this bug wouldn't be noticed because something
3060 else would have woken the daemon, and it would have reaped the completed
3061 process earlier.
3062
1e70f85b
PH
306380. If a message was submitted locally by a user whose login name contained one
3064 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
3065 It caused a spool format error. I have fixed the spool reading code. A
3066 related problem was that the "from" clause in the Received: line became
3067 illegal because of the space(s). It is now covered by ${quote_local_part.
3068
306981. Included the latest eximstats from Steve (adds average sizes to HTML Top
3070 tables).
3071
4e01f9d6
PH
307282. Updated OS/Makefile-AIX as per message from Mike Meredith.
3073
1ee1cef2
PH
307483. Patch from Sieve maintainer to fix unterminated string problem in
3075 "vacation" handling.
3076
6e2b4ccc
PH
307784. Some minor changes to the Linux configuration files to help with other
3078 OS variants using glibc.
3079
8e669ac1
PH
308085. One more patch for Sieve to update vacation handling to latest spec.
3081
495ae4b0 3082
bbe902f0
PH
3083----------------------------------------------------
3084See the note above about the 4.44 and 4.50 releases.
3085----------------------------------------------------
3086
3087
3088Exim version 4.44
3089-----------------
3090
3091 1. Change 4.43/35 introduced a bug that caused file counts to be
3092 incorrectly computed when quota_filecount was set in an appendfile
3093 transport
3094
3095 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
3096 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
3097 place.
3098
3099 3. Give more explanation in the error message when the command for a transport
3100 filter fails to execute.
3101
3102 4. There are several places where Exim runs a non-Exim command in a
3103 subprocess. The SIGUSR1 signal should be disabled for these processes. This
3104 was being done only for the command run by the queryprogram router. It is
3105 now done for all such subprocesses. The other cases are: ${run, transport
3106 filters, and the commands run by the lmtp and pipe transports.
3107
3108 5. Some older OS have a limit of 256 on the maximum number of file
3109 descriptors. Exim was using setrlimit() to set 1000 as a large value
3110 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
3111 systems. I've change it so that if it can't get 1000, it tries for 256.
3112
3113 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
3114 was an oversight, and furthermore, ever since the addition of extra
3115 controls (e.g. 4.43/32), the checks on when to allow different forms of
3116 "control" were broken. There should now be diagnostics for all cases when a
3117 control that does not make sense is encountered.
3118
3119 7. $recipients is now available in the predata ACL (oversight).
3120
3121 8. Tidy the search cache before the fork to do a delivery from a message
3122 received from the command line. Otherwise the child will trigger a lookup
3123 failure and thereby defer the delivery if it tries to use (for example) a
3124 cached ldap connection that the parent has called unbind on.
3125
3126 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
3127 of $address_data from the recipient verification was clobbered by the
3128 sender verification.
3129
313010. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
3131 was its contents. (It was OK if the option was not defined at all.)
3132
313311. A "Completed" log line is now written for messages that are removed from
3134 the spool by the -Mrm option.
3135
313612. $host_address is now set to the target address during the checking of
3137 ignore_target_hosts.
3138
313913. When checking ignore_target_hosts for an ipliteral router, no host name was
3140 being passed; this would have caused $sender_host_name to have been used if
3141 matching the list had actually called for a host name (not very likely,
3142 since this list is usually IP addresses). A host name is now passed as
3143 "[x.x.x.x]".
3144
314514. Changed the calls that set up the SIGCHLD handler in the daemon to use the
3146 code that specifies a non-restarting handler (typically sigaction() in
3147 modern systems) in an attempt to fix a rare and obscure crash bug.
3148
314915. Narrowed the window for a race in the daemon that could cause it to ignore
3150 SIGCHLD signals. This is not a major problem, because they are used only to
3151 wake it up if nothing else does.
3152
315316. A malformed maildirsize file could cause Exim to calculate negative values
3154 for the mailbox size or file count. Odd effects could occur as a result.
3155 The maildirsize information is now recalculated if the size or filecount
3156 end up negative.
3157
315817. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
3159 support for a long time. Removed HAVE_SYS_VFS_H.
3160
ea3a6f44 316118. Updated exipick to current release from John Jetmore.
bbe902f0
PH
3162
316319. Allow an empty sender to be matched against a lookup in an address list.
3164 Previously the only cases considered were a regular expression, or an
3165 empty pattern.
3166
316720. Exim went into a mad DNS lookup loop when doing a callout where the
3168 host was specified on the transport, if the DNS lookup yielded more than
3169 one IP address.
3170
ea3a6f44
NM
317121. The RFC2047 encoding function was originally intended for short strings
3172 such as real names; it was not keeping to the 75-character limit for
3173 encoded words that the RFC imposes. It now respects the limit, and
3174 generates multiple encoded words if necessary. To be on the safe side, I
3175 have increased the buffer size for the ${rfc2047: expansion operator from
3176 1024 to 2048 bytes.
bbe902f0 3177
ea3a6f44
NM
317822. Failure to deliver a bounce message always caused it to be frozen, even if
3179 there was an errors_to setting on the router. The errors_to setting is now
3180 respected.
bbe902f0
PH
3181
318223. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3183 canonical form (fully expanded) before being placed in
3184 $sender_host_address.
3185
318624. Updated eximstats to version 1.33
3187
ea3a6f44
NM
318825. Include certificate and key file names in error message when GnuTLS fails
3189 to set them up, because the GnuTLS error message doesn't include the name
3190 of the failing file when there is a problem reading it.
bbe902f0
PH
3191
319226. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3193 As per change 25.
bbe902f0 3194
ea3a6f44
NM
319527. Reset the locale to "C" after calling embedded Perl, in case it was changed
3196 (this can affect the format of dates).
bbe902f0 3197
ea3a6f44
NM
319828. exim_tidydb, when checking for the continued existence of a message for
3199 which it has found a message-specific retry record, was not finding
3200 messages that were in split spool directories. Consequently, it was
3201 deleting retry records that should have stayed in existence.
bbe902f0
PH
3202
320329. eximstats updated to version 1.35
3204 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3205 1.35 - bugfix such that pie charts by volume are generated correctly
3206
ea3a6f44
NM
320730. The SPA authentication driver was not abandoning authentication and moving
3208 on to the next authenticator when an expansion was forced to fail,
3209 contradicting the general specification for all authenticators. Instead it
3210 was generating a temporary error. It now behaves as specified.
bbe902f0 3211
ea3a6f44
NM
321231. The default ordering of permitted cipher suites for GnuTLS was pessimal
3213 (the order specifies the preference for clients). The order is now AES256,
3214 AES128, 3DES, ARCFOUR128.
bbe902f0 3215
ea3a6f44
NM
321631. Small patch to Sieve code - explicitly set From: when generating an
3217 autoreply.
bbe902f0 3218
ea3a6f44
NM
321932. Exim crashed if a remote delivery caused a very long error message to be
3220 recorded - for instance if somebody sent an entire SpamAssassin report back
3221 as a large number of 550 error lines. This bug was coincidentally fixed by
3222 increasing the size of one of Exim's internal buffers (big_buffer) that
3223 happened as part of the Exiscan merge. However, to be on the safe side, I
3224 have made the code more robust (and fixed the comments that describe what
3225 is going on).
bbe902f0 3226
ea3a6f44
NM
322733. Some experimental protocols are using DNS PTR records for new purposes. The
3228 keys for these records are domain names, not reversed IP addresses. The
3229 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3230 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3231 CAN-2005-0021
3232
ea3a6f44
NM
323334. The host_aton() function is supposed to be passed a string that is known
3234 to be a valid IP address. However, in the case of IPv6 addresses, it was
3235 not checking this. This is a hostage to fortune. Exim now panics and dies
3236 if the condition is not met. A case was found where this could be provoked
3237 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3238 components; fortuitously, this particular loophole had already been fixed
3239 by change 4.50/55 or 4.44/33 above.
3240
3241 If there are any other similar loopholes, the new check in host_aton()
3242 itself should stop them being exploited. The report I received stated that
3243 data on the command line could provoke the exploit when Exim was running as
3244 exim, but did not say which command line option was involved. All I could
3245 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3246 running as the user.
bbe902f0
PH
3247 CAN-2005-0021
3248
ea3a6f44
NM
324935. There was a buffer overflow vulnerability in the SPA authentication code
3250 (which came originally from the Samba project). I have added a test to the
3251 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3252 CAN-2005-0022
3253
ea3a6f44
NM
325436. The daemon start-up calls getloadavg() while still root for those OS that
3255 need the first call to be done as root, but it missed one case: when
3256 deliver_queue_load_max is set with deliver_drop_privilege. This is
3257 necessary for the benefit of the queue runner, because there is no re-exec
3258 when deliver_drop_privilege is set.
bbe902f0 3259
ea3a6f44
NM
326037. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3261 was in use, was not putting the data itself into the right store pool;
3262 consequently, it could be overwritten for a subsequent message in the same
3263 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3264 the caching.)
bbe902f0 3265
ea3a6f44
NM
326638. Sometimes the final signoff response after QUIT could fail to get
3267 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3268 < 0 before doing a fflush(). This bug looks as though it goes back to the
3269 introduction of TLS in release 3.20, but "sometimes" must have been rare
3270 because the tests only now provoked it.
bbe902f0
PH
3271
3272
495ae4b0
PH
3273Exim version 4.43
3274-----------------
3275
3276 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3277 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3278 Now it returns an integer. A number of calls were still expecting a T/F
3279 return. Fortuitously, in all cases, the tests worked in OK situations,
3280 which is the norm. However, things would have gone wrong on any write
3281 failures on the smtp file descriptor. This function is used when sending
3282 messages over SMTP and also when doing verify callouts.
3283
3284 2. When Exim is called to do synchronous delivery of a locally submitted
3285 message (the -odf or -odi options), it no longer closes stderr before doing
3286 the delivery.
3287
3288 3. Implemented the mua_wrapper option.
3289
3290 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3291
3292 5. Implemented the functions header_remove(), header_testname(),
3293 header_add_at_position(), and receive_remove_recipient(), and exported them
3294 to local_scan().
3295
3296 6. If an ACL "warn" statement specified the addition of headers, Exim already
3297 inserted X-ACL-Warn: at the start if there was no header name. However, it
3298 was not making this test for the second and subsequent header lines if
3299 there were newlines in the string. This meant that an invalid header could
3300 be inserted if Exim was badly configured.
3301
3302 7. Allow an ACL "warn" statement to add header lines at the start or after all
3303 the Received: headers, as well as at the end.
3304
3305 8. Added the rcpt_4xx retry error code.
3306
3307 9. Added postmaster_mailfrom=xxx to callout verification option.
3308
330910. Added mailfrom=xxxx to the callout verification option, for verify=
3310 header_sender only.
3311
331211. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3313 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3314
331512. Inserted some casts to stop certain compilers warning when using pointer
3316 differences as field lengths or precisions in printf-type calls (mostly
3317 affecting debugging statements).
3318
331913. Added optional readline() support for -be (dynamically loaded).
3320
332114. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3322 same clock tick as a message's arrival, so that its received time was the
3323 same as the "first fail" time on the retry record, and that message
3324 remained on the queue past the ultimate address timeout, every queue runner
3325 would try a delivery (because it was past the ultimate address timeout) but
3326 after another failure, the ultimate address timeout, which should have then
3327 bounced the address, did not kick in. This was a "< instead of <=" error;
3328 in most cases the first failure would have been in the next clock tick
3329 after the received time, and all would be well.
3330
333115. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3332 being recognized when the domain list was tested by the match_domain
3333 condition in an expansion string.
3334
333516. Added the ${str2b64: operator.
3336
333717. Exim was always calling setrlimit() to set a large limit for the number of
3338 processes, without checking whether the existing limit was already
3339 adequate. (It did check for the limit on file descriptors.) Furthermore,
3340 errors from getrlimit() and setrlimit() were being ignored. Now they are
3341 logged to the main and panic logs, but Exim does carry on, to try to do its
3342 job under whatever limits there are.
3343
334418. Imported PCRE 5.0.
3345
334619. Trivial typo in log message " temporarily refused connection" (the leading
3347 space).
3348
334920. If the log selector return_path_on_delivery was set and an address was
3350 redirected to /dev/null, the delivery process crashed because it assumed
3351 that a return path would always be set for a "successful" delivery. In this
3352 case, the whole delivery is bypassed as an optimization, and therefore no
3353 return path is set.
3354
335521. Internal re-arrangement: the function for sending a challenge and reading
3356 a response while authentication was assuming a zero-terminated challenge
3357 string. It's now changed to take a pointer and a length, to allow for
3358 binary data in such strings.
3359
336022. Added the cyrus_sasl authenticator (code supplied by MBM).
3361
336223. Exim was not respecting finduser_retries when seeking the login of the
3363 uid under which it was called; it was always trying 10 times. (The default
3364 setting of finduser_retries is zero.) Also, it was sleeping after the final
3365 failure, which is pointless.
3366
336724. Implemented tls_on_connect_ports.
3368
336925. Implemented acl_smtp_predata.
3370
337126. If the domain in control=submission is set empty, Exim assumes that the
3372 authenticated id is a complete email address when it generates From: or
3373 Sender: header lines.
3374
337527. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3376 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3377 chown and chgrp in /bin and hostname in /usr/bin.
3378
337928. Exim was keeping the "process log" file open after each use, just as it
3380 does for the main log. This opens the possibility of it remaining open for
3381 long periods when the USR1 signal hits a daemon. Occasional processlog
3382 errors were reported, that could have been caused by this. Anyway, it seems
3383 much more sensible not to leave this file open at all, so that is what now
3384 happens.
3385
338629. The long-running daemon process does not normally write to the log once it
3387 has entered its main loop, and it closes the log before doing so. This is
3388 so that log files can straightforwardly be renamed and moved. However,
3389 there are a couple of unusual error situations where the daemon does write
3390 log entries, and I had neglected to close the log afterwards.
3391
339230. The text of an SMTP error response that was received during a remote
3393 delivery was being truncated at 512 bytes. This is too short for some of
3394 the long messages that one sometimes sees. I've increased the limit to
3395 1024.
3396
339731. It is now possible to make retry rules that apply only when a message has a
3398 specific sender, in particular, an empty sender.
3399
340032. Added "control = enforce_sync" and "control = no_enforce_sync". This makes
3401 it possible to be selective about when SMTP synchronization is enforced.
3402
340333. Added "control = caseful_local_part" and "control = "caselower_local_part".
3404
340532. Implemented hosts_connection_nolog.
3406
340733. Added an ACL for QUIT.
3408
340934. Setting "delay_warning=" to disable warnings was not working; it gave a
3410 syntax error.
3411
341235. Added mailbox_size and mailbox_filecount to appendfile.
3413
341436. Added control = no_multiline_responses to ACLs.
3415
341637. There was a bug in the logic of the code that waits for the clock to tick
3417 in the case where the clock went backwards by a substantial amount such
3418 that the microsecond fraction of "now" was more than the microsecond
3419 fraction of "then" (but the whole seconds number was less).
3420
342138. Added support for the libradius Radius client library this is found on
3422 FreeBSD (previously only the radiusclient library was supported).
3423
3424
3425Exim version 4.42
3426-----------------
3427
3428 1. When certain lookups returned multiple values in the form name=value, the
3429 quoting of the values was not always being done properly. Specifically:
3430 (