DKIM Verification: Fix relaxed canon for empty headers w/o
[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
867fcbf5
PP
6Exim version 4.77
7-----------------
8
9PP/01 Solaris build fix for Oracle's LDAP libraries.
10 Bugzilla 1109, patch from Stephen Usher.
11
f1a29782
TF
12TF/01 HP/UX build fix: avoid arithmetic on a void pointer.
13
ab42bd23
TK
14TK/01 DKIM Verification: Fix relaxed canon for empty headers w/o
15 whitespace trailer
867fcbf5 16
10906672
PP
17Exim version 4.76
18-----------------
19
20PP/01 The new ldap_require_cert option would segfault if used. Fixed.
21
754a0503
PP
22PP/02 Harmonised TLS library version reporting; only show if debugging.
23 Layout now matches that introduced for other libraries in 4.74 PP/03.
24
c0c7b2da
PP
25PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
26
e97d1f08
PP
27PP/04 New "dns_use_edns0" global option.
28
084c1d8c
PP
29PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
30 Bugzilla 1098.
31
4e7ee012
PP
32PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
33 nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
da80c2a8 34
c8d52a00
PP
35TK/01 Updated PolarSSL code to 0.14.2.
36 Bugzilla 1097. Patch from Andreas Metzler.
37
54e7ce4a
PP
38PP/07 Catch divide-by-zero in ${eval:...}.
39 Fixes bugzilla 1102.
40
5ee6f336
PP
41PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
42 Bugzilla 1104.
43
c8d52a00 44TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
6ea4a851
PP
45 format-string attack -- SECURITY: remote arbitrary code execution.
46
47TK/03 SECURITY - DKIM signature header parsing was double-expanded, second
48 time unintentionally subject to list matching rules, letting the header
49 cause arbitrary Exim lookups (of items which can occur in lists, *not*
50 arbitrary string expansion). This allowed for information disclosure.
51
52PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to
53 INT_MIN/-1 -- value coerced to INT_MAX.
c8d52a00 54
10906672 55
aa097c4c
NM
56Exim version 4.75
57-----------------
58
4c9ef03a 59NM/01 Workround for PCRE version dependency in version reporting
aa097c4c
NM
60 Bugzilla 1073
61
7f3d9eff
TF
62TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
63 This fixes portability to compilers other than gcc, notably
64 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
65
159f52d2
TF
66TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
67 makefiles for portability to HP-UX and POSIX correctness.
68
0cc9542a
PP
69PP/01 Permit LOOKUP_foo enabling on the make command-line.
70 Also via indented variable definition in the Makefile.
71 (Debugging by Oliver Heesakkers).
72
f7274286
PP
73PP/02 Restore caching of spamd results with expanded spamd_address.
74 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
75
7b797365
PP
76PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
77 Improves build reliability. Fix from: Frank Elsner
78
caacae52
NM
79NM/02 Fix wide character breakage in the rfc2047 coding
80 Fixes bug 1064. Patch from Andrey N. Oktyabrski
81
09dcaba9
NM
82NM/03 Allow underscore in dnslist lookups
83 Fixes bug 1026. Patch from Graeme Fowler
84
bc19a55b
PP
85PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
86 Code patches from Adam Ciarcinski of NetBSD.
caacae52 87
bd4c9759
NM
88NM/04 Fixed exiqgrep to cope with mailq missing size issue
89 Fixes bug 943.
90
b72aab72
PP
91PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
92 is logged, to avoid truncation. Patch from John Horne.
93
2fe76745
PP
94PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
95 Patch from Jakob Hirsch.
96
76aa570c
PP
97PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
98 SQL string expansion failure details.
99 Patch from Andrey Oktyabrski.
100
f1e5fef5
PP
101PP/08 Bugzilla 486: implement %M datestamping in log filenames.
102 Patch from Simon Arlott.
103
4d805ee9
PP
104PP/09 New lookups functionality failed to compile on old gcc which rejects
105 extern declarations in function scope.
106 Patch from Oliver Fleischmann
107
cd59ab18
PP
108PP/10 Use sig_atomic_t for flags set from signal handlers.
109 Check getgroups() return and improve debugging.
110 Fixed developed for diagnosis in bug 927 (which turned out to be
111 a kernel bug).
112
332f5cf3
PP
113PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
114 Patch from Mark Zealey.
115
29cfeb94
PP
116PP/12 Bugzilla 1056: Improved spamd server selection.
117 Patch from Mark Zealey.
118
660242ad
PP
119PP/13 Bugzilla 1086: Deal with maildir quota file races.
120 Based on patch from Heiko Schlittermann.
121
bc4bc4c5
PP
122PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
123 Patch from Uwe Doering, sign-off by Michael Haardt.
124
2e64baa9
NM
125NM/05 Fix to spam.c to accommodate older gcc versions which dislike
126 variable declaration deep within a block. Bug and patch from
127 Dennis Davis.
128
bddd7526
PP
129PP/15 lookups-Makefile IRIX compatibilty coercion.
130
6bac1a9a
PP
131PP/16 Make DISABLE_DKIM build knob functional.
132
552193f0
NM
133NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
134 Patch by Simon Arlott
baeee2c1 135
1b587e48
TF
136TF/03 Fix valgrind.h portability to C89 compilers that do not support
137 variable argument macros. Our copy now differs from upstream.
138
aa097c4c 139
8c07b69f
TF
140Exim version 4.74
141-----------------
142
143TF/01 Failure to get a lock on a hints database can have serious
144 consequences so log it to the panic log.
145
c0ea85ab
TF
146TF/02 Log LMTP confirmation messages in the same way as SMTP,
147 controlled using the smtp_confirmation log selector.
148
0761d44e
TF
149TF/03 Include the error message when we fail to unlink a spool file.
150
0a349494
PP
151DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
152 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
153 for maintaining out-of-tree patches for some time.
154
155PP/01 Bugzilla 139: Documentation and portability issues.
156 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
157 Handle per-OS dynamic-module compilation flags.
158
fea24b2e
PP
159PP/02 Let /dev/null have normal permissions.
160 The 4.73 fixes were a little too stringent and complained about the
161 permissions on /dev/null. Exempt it from some checks.
162 Reported by Andreas M. Kirchwitz.
163
6545de78
PP
164PP/03 Report version information for many libraries, including
165 Exim version information for dynamically loaded libraries. Created
166 version.h, now support a version extension string for distributors
167 who patch heavily. Dynamic module ABI change.
168
1670ef10
PP
169PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
170 privilege escalation vulnerability whereby the Exim run-time user
171 can cause root to append content of the attacker's choosing to
172 arbitrary files.
173
c0886197
PP
174PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
175 (Wolfgang Breyha)
176
b7487bce
PP
177PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
178 If dropping privileges for untrusted macros, we disabled normal logging
179 on the basis that it would fail; for the Exim run-time user, this is not
180 the case, and it resulted in successful deliveries going unlogged.
181 Fixed. Reported by Andreas Metzler.
182
8c07b69f 183
97fd1e48 184Exim version 4.73
ed7f7860 185-----------------
97fd1e48
PP
186
187PP/01 Date: & Message-Id: revert to normally being appended to a message,
188 only prepend for the Resent-* case. Fixes regression introduced in
189 Exim 4.70 by NM/22 for Bugzilla 607.
190
6901c596
PP
191PP/02 Include check_rfc2047_length in configure.default because we're seeing
192 increasing numbers of administrators be bitten by this.
193
a8c8d6b5
JJ
194JJ/01 Added DISABLE_DKIM and comment to src/EDITME
195
77bb000f
PP
196PP/03 Bugzilla 994: added openssl_options main configuration option.
197
a29e5231
PP
198PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
199
ec5a0394 200PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 201
55c75993
PP
202PP/06 Adjust NTLM authentication to handle SASL Initial Response.
203
453a6645 204PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
205 without a peer certificate, leading to a segfault because of an
206 assumption that peers always have certificates. Be a little more
453a6645
PP
207 paranoid. Problem reported by Martin Tscholak.
208
8544e77a
PP
209PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
210 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
211 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
212 CL also introduces -bmalware, various -d+acl logging additions and
213 more caution in buffer sizes.
8544e77a 214
83e029d5
PP
215PP/09 Implemented reverse_ip expansion operator.
216
ed7f7860
PP
217PP/10 Bugzilla 937: provide a "debug" ACL control.
218
7d9f747b
PP
219PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
220
4b2241d2
PP
221PP/12 Bugzilla 973: Implement --version.
222
10385c15
PP
223PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
224
dbc4b90d
PP
225PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
226
532be449
PP
227PP/15 Bugzilla 816: support multiple condition rules on Routers.
228
6a8de854 229PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
230 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
231 ignore trailing whitespace.
6a8de854 232
5dc43717
JJ
233JJ/02 prevent non-panic DKIM error from being sent to paniclog
234
235JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
236 "exim" to be used
55c75993 237
3346ab01
PP
238PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
239 Notification from Dr Andrew Aitchison.
240
491fab4c
PP
241PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
242 ExtendedDetectionInfo response format.
243 Notification from John Horne.
244
13eb9497
PP
245PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
246 compatible.
247
248PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
249 XSL and documented dependency on system catalogs, with examples of how
250 it normally works.
251
7f36d675
DW
252DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
253 access.
254
c1d94452
DW
255DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
256 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
257 configuration file which is writeable by the Exim user or group.
258
e2f5dc15
DW
259DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
260 of configuration files to cover files specified with the -C option if
261 they are going to be used with root privileges, not just the default
262 configuration file.
263
cd25e41d
DW
264DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
265 option (effectively making it always true).
266
261dc43e
DW
267DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
268 files to be used while preserving root privileges.
269
fa32850b
DW
270DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
271 that rogue child processes cannot use them.
272
79d4bc3d
PP
273PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
274 run-time user, instead of root.
275
43236f35 276PP/28 Add WHITELIST_D_MACROS option to let some macros be overridden by the
2cfd3221
PP
277 Exim run-time user without dropping privileges.
278
fb08281f
DW
279DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
280 result string, instead of calling string_vformat() twice with the same
281 arguments.
3346ab01 282
74935b98
DW
283DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
284 for other users. Others should always drop root privileges if they use
285 -C on the command line, even for a whitelisted configure file.
286
90b6341f
DW
287DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
288
57730b52
ML
289NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
290
66581d1e 291
465e92cf
JJ
292Exim version 4.72
293-----------------
294
453a6645
PP
295JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
296 $data_path, and $header_path variables; fixed documentation bugs and
297 typos
465e92cf 298
453a6645
PP
299JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
300 exipick to access non-standard spools, including the "frozen" queue
301 (Finput)
edae0343 302
9bd3e22c
NM
303NM/01 Bugzilla 965: Support mysql stored procedures.
304 Patch from Alain Williams
305
bb576ff7
NM
306NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
307
5a1a5845
NM
308NM/03 Bugzilla 955: Documentation fix for max_rcpts.
309 Patch from Andreas Metzler
310
981a9fad
NM
311NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
312 Patch from Kirill Miazine
313
7fc497ee
NM
314NM/05 Bugzilla 671: Added umask to procmail example.
315
1a41defa
JJ
316JJ/03 installed exipick 20100323.0, fixing doc bug
317
a466095c 318NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 319 directory. Notification and patch from Dan Rosenberg.
a466095c 320
94a6bd0b
NM
321TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
322
323TK/02 Improve log output when DKIM signing operation fails.
324
325MH/01 Treat the transport option dkim_domain as a colon separated
326 list, not as a single string, and sign the message with each element,
327 omitting multiple occurences of the same signer.
328
c1b141a8
NM
329NM/07 Null terminate DKIM strings, Null initialise DKIM variable
330 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 331
b26eacf1 332NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
333 Patch by Simon Arlott
334
179c5980 335PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 336 MBX locking. Notification from Dan Rosenberg.
179c5980 337
9bd3e22c 338
7c6d71af
NM
339Exim version 4.71
340-----------------
341
7d9f747b 342TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 343
f013fb92
NM
344NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
345
0eb8eedd
NM
346NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
347
663ee6d9
NM
348NM/03 Bugzilla 847: Enable DNSDB lookup by default.
349
177ebd9b
NM
350NM/04 Bugzilla 915: Flag broken perl installation during build.
351
7c6d71af 352
210f147e
NM
353Exim version 4.70
354-----------------
355
cdd3bb85 356TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 357 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
358
359TK/02 Write list of recipients to X-Envelope-Sender header when building
360 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 361 Hirsch).
cdd3bb85
TK
362
363TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
364 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 365 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
366
367TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
368 by Mark Daniel Reidel <mr@df.eu>.
369
210f147e
NM
370NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
371 When building exim an external PCRE library is now needed -
372 PCRE is a system library on the majority of modern systems.
373 See entry on PCRE_LIBS in EDITME file.
374
deafd5b3
NM
375NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
376 conversation. Added nologin parameter to request.
7d9f747b 377 Patch contributed by Kirill Miazine.
deafd5b3 378
089793a4
TF
379TF/01 Do not log submission mode rewrites if they do not change the address.
380
5f16ca82
TF
381TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
382
dae9d94e 383NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 384 log files in place. Contributed by Roberto Lima.
dae9d94e 385
7d9f747b 386NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 387
06864c44
TF
388TF/03 Bugzilla 615: When checking the local_parts router precondition
389 after a local_part_suffix or local_part_prefix option, Exim now
390 does not use the address's named list lookup cache, since this
391 contains cached lookups for the whole local part.
392
65a7d8c3 393NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 394 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 395
23510047 396TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 397
7d9f747b 398NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 399
7d8eec3a 400NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 401 Patch provided by Jan Srzednicki.
6c588e74 402
89dec7b6
TF
403TF/05 Leading white space used to be stripped from $spam_report which
404 wrecked the formatting. Now it is preserved.
5f28a6e8 405
a99de90c
TF
406TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
407 that they are available at delivery time.
408
e2803e40
TF
409TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
410
7199e1ee
TF
411TF/08 TLS error reporting now respects the incoming_interface and
412 incoming_port log selectors.
413
e276e04b
TF
414TF/09 Produce a more useful error message if an SMTP transport's hosts
415 setting expands to an empty string.
416
ce552449 417NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 418 Patch provided by Phil Pennock.
ce552449 419
e765a0f1 420NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 421 Patch provided by Richard Godbee.
e765a0f1 422
4f054c63 423NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 424 acl_smtp_notquit, added index entry.
4f054c63 425
7d9f747b
PP
426NM/09 Bugzilla 787: Potential buffer overflow in string_format.
427 Patch provided by Eugene Bujak.
24c929a2 428
7d9f747b
PP
429NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
430 accept(). Patch provided by Maxim Dounin.
cf73943b 431
b52bc06e 432NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 433 Patch provided by Phil Pennock.
b52bc06e 434
447de4b0
NM
435NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
436
4c69d561 437NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 438 Patch provided by Brad "anomie" Jorsch.
4c69d561 439
d5c39246 440NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 441 Patch provided by Dean Brooks.
9b989985 442
0b23848a
TK
443TK/05 Add native DKIM support (does not depend on external libraries).
444
8f3414a1 445NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 446 Patch provided by Graeme Fowler.
e2aacdfd 447
fb6f955d
NM
448NM/16 Bugzilla 851: Documentation example syntax fix.
449
450NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 451
7d9f747b
PP
452NM/18 Bugzilla 894: Fix issue with very long lines including comments in
453 lsearch.
dbb0bf41 454
7d9f747b
PP
455NM/19 Bugzilla 745: TLS version reporting.
456 Patch provided by Phil Pennock.
f3766eb5 457
7d9f747b
PP
458NM/20 Bugzilla 167: bool: condition support.
459 Patch provided by Phil Pennock.
36f12725 460
7d9f747b
PP
461NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
462 clients. Patch provided by Phil Pennock.
e6060e2c 463
7d9f747b
PP
464NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
465 Patch provided by Brad "anomie" Jorsch.
5eb690a1 466
7d9f747b
PP
467NM/23 Bugzilla 687: Fix misparses in eximstats.
468 Patch provided by Heiko Schlittermann.
d5c13d66 469
7d9f747b
PP
470NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
471 Patch provided by Heiko Schlittermann.
b2335c0b 472
7d9f747b 473NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 474 plus update to original patch.
f4cd9433 475
7d9f747b 476NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 477
7d9f747b
PP
478NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
479 Patch provided by David Brownlee.
8dc71ab3 480
7d9f747b 481NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 482
7d9f747b 483NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 484
7d9f747b 485NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 486
7d9f747b 487NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 488
17792b53 489NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 490 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 491
7d9f747b
PP
492NM/33 Bugzilla 898: Transport filter timeout fix.
493 Patch by Todd Rinaldo.
52383f8f 494
7d9f747b
PP
495NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
496 Patch by Serge Demonchaux.
5ca6d115 497
7d9f747b
PP
498NM/35 Bugzilla 39: Base64 decode bug fixes.
499 Patch by Jakob Hirsch.
baee9eee 500
7d9f747b 501NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 502
7d9f747b 503NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 504
7d9f747b 505NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 506
7d9f747b 507NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 508
deafd5b3 509
47db1125
NM
510Exim version 4.69
511-----------------
512
4b3504d0
TK
513TK/01 Add preliminary DKIM support. Currently requires a forked version of
514 ALT-N's libdkim that I have put here:
515 http://duncanthrax.net/exim-experimental/
516
517 Note to Michael Haardt: I had to rename some vars in sieve.c. They
518 were called 'true' and it seems that C99 defines that as a reserved
519 keyword to be used with 'bool' variable types. That means you could
520 not include C99-style headers which use bools without triggering
521 build errors in sieve.c.
522
81ea09ca
NM
523NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
524 as mailq or other aliases. Changed the --help handling significantly
525 to do whats expected. exim_usage() emits usage/help information.
526
f13cddcb
SC
527SC/01 Added the -bylocaldomain option to eximstats.
528
7d9f747b 529NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 530
7d9f747b 531NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 532
7d9f747b 533NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
534
535
eb4c0de6
PH
536Exim version 4.68
537-----------------
538
539PH/01 Another patch from the Sieve maintainer.
540
6a3bceb1
PH
541PH/02 When an IPv6 address is converted to a string for single-key lookup
542 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
543 dots are used instead of colons so that keys in lsearch files need not
544 contain colons. This was done some time before quoting was made available
545 in lsearch files. However, iplsearch files do require colons in IPv6 keys
546 (notated using the quote facility) so as to distinguish them from IPv4
547 keys. This meant that lookups for IP addresses in host lists did not work
548 for iplsearch lookups.
549
550 This has been fixed by arranging for IPv6 addresses to be expressed with
551 colons if the lookup type is iplsearch. This is not incompatible, because
552 previously such lookups could never work.
553
554 The situation is now rather anomolous, since one *can* have colons in
555 ordinary lsearch keys. However, making the change in all cases is
556 incompatible and would probably break a number of configurations.
557
2e30fa9d
TK
558TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
559 version.
560
0806a9c5
MH
561MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
562 conversion specification without a maximum field width, thereby enabling
563 a rogue spamd server to cause a buffer overflow. While nobody in their
564 right mind would setup Exim to query an untrusted spamd server, an
565 attacker that gains access to a server running spamd could potentially
566 exploit this vulnerability to run arbitrary code as the Exim user.
567
ae276964
TK
568TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
569 $primary_hostname instead of what libspf2 thinks the hosts name is.
570
0f2cbd1b
MH
571MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
572 a directory entry by the name of the lookup key. Previously, if a
573 symlink pointed to a non-existing file or a file in a directory that
574 Exim lacked permissions to read, a lookup for a key matching that
575 symlink would fail. Now it is enough that a matching directory entry
576 exists, symlink or not. (Bugzilla 503.)
577
2b85bce7
PH
578PH/03 The body_linecount and body_zerocount variables are now exported in the
579 local_scan API.
580
93655c46
PH
581PH/04 Added the $dnslist_matched variable.
582
6c512171
PH
583PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
584 This means they are set thereafter only if the connection becomes
585 encrypted.
586
587PH/06 Added the client_condition to authenticators so that some can be skipped
588 by clients under certain conditions.
589
aa6dc513
PH
590PH/07 The error message for a badly-placed control=no_multiline_responses left
591 "_responses" off the end of the name.
592
a96603a0
PH
593PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
594
8f240103
PH
595PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
596 (without spaces) instead of just copying the configuration text.
597
598PH/10 Added the /noupdate option to the ratelimit ACL condition.
599
d677b2f2
PH
600PH/11 Added $max_received_linelength.
601
d52120f2
PH
602PH/12 Added +ignore_defer and +include_defer to host lists.
603
64f2600a
PH
604PH/13 Installed PCRE version 7.2. This needed some changes because of the new
605 way in which PCRE > 7.0 is built.
606
8669f003
PH
607PH/14 Implemented queue_only_load_latch.
608
a4dc33a8
PH
609PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
610 MAIL command. The effect was to mangle the value on 64-bit systems.
611
d6a60c0f
PH
612PH/16 Another patch from the Sieve maintainer.
613
8f128379
PH
614PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
615
8932dffe
PH
616PH/18 If a system quota error occurred while trying to create the file for
617 a maildir delivery, the message "Mailbox is full" was not appended to the
618 bounce if the delivery eventually timed out. Change 4.67/27 below applied
619 only to a quota excession during the actual writing of the file.
d6a60c0f 620
ddea74fa 621PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
622 characters?) which causes problems in log lines. The DN values are now
623 passed through string_printing() before being added to log lines.
624
ddea74fa 625PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
626 and InterBase are left for another time.)
627
ddea74fa
PH
628PH/21 Added message_body_newlines option.
629
ce9f225c
PH
630PH/22 Guard against possible overflow in moan_check_errorcopy().
631
19897d52
PH
632PH/23 POSIX allows open() to be a macro; guard against that.
633
bc64a74d
PH
634PH/24 If the recipient of an error message contained an @ in the local part
635 (suitably quoted, of course), incorrect values were put in $domain and
636 $local_part during the evaluation of errors_copy.
637
eb4c0de6 638
b4ed4da0
PH
639Exim version 4.67
640-----------------
641
22ad45c9
MH
642MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
643 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
644 Jan Srzednicki.
645
b4ed4da0
PH
646PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
647 issue a MAIL command.
648
431b7361
PH
649PH/02 In an ACL statement such as
650
651 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
652
653 if a client was not listed at all, or was listed with a value other than
654 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
655 the condition was not true (as it should be), so access was not denied.
656 The bug was that the ! inversion was incorrectly passed on to the second
657 item. This has been fixed.
658
659PH/03 Added additional dnslists conditions == and =& which are different from
660 = and & when the dns lookup returns more than one IP address.
661
83da1223
PH
662PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
663 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
664
54fc8428
PH
665PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
666 FSYNC, which compiles an option called disable_fsync that allows for
667 bypassing fsync(). The documentation is heavily laced with warnings.
668
34c5e8dd
SC
669SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
670
bbe15da8
PH
671PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
672 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
673 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
674 including adding "make clean"; (3) Added -fPIC when compiling the test
675 dynamically loaded module, to get rid of a warning.
676
0e8a9471
MH
677MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
678 message fails, move_frozen_messages = true and ignore_bounce_errors_after
679 = 0s. The bug is otherwise harmless.
680
f0872424
PH
681PH/07 There was a bug in the dovecot authenticator such that the value of
682 $auth1 could be overwritten, and so not correctly preserved, after a
683 successful authentication. This usually meant that the value preserved by
684 the server_setid option was incorrect.
685
b01dd148
PH
686PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
687
6bf342e1
PH
688PH/09 Installed PCRE release 7.0.
689
273f34d0
PH
690PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
691 run for batched SMTP input. It is now run at the start of every message
692 in the batch. While fixing this I discovered that the process information
693 (output by running exiwhat) was not always getting set for -bs and -bS
694 input. This is fixed, and it now also says "batched" for BSMTP.
695
cf8b11a5
PH
696PH/11 Added control=no_pipelining.
697
41c7c167
PH
698PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
699 patch, slightly modified), and move the expansion of helo_data till after
700 the connection is made in the smtp transport (so it can use these
701 values).
702
9c57cbc0
PH
703PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
704
f3f065bb
PH
705PH/14 Added log_selector = +pid.
706
047bdd8c
PH
707PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
708
0ce9abe6
PH
709PH/16 Add ${if forany and ${if forall.
710
0e22dfd1
PH
711PH/17 Added dsn_from option to vary the From: line in DSNs.
712
4c590bd1
PH
713PH/18 Flush SMTP output before performing a callout, unless control =
714 no_callout_flush is set.
715
09945f1e
PH
716PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
717 was true (the default) a successful delivery failed to delete the retry
718 item, thus causing premature timeout of the address. The bug is now
719 fixed.
720
c51b8e75
PH
721PH/20 Added hosts_avoid_pipelining to the smtp transport.
722
e28326d8
PH
723PH/21 Long custom messages for fakedefer and fakereject are now split up
724 into multiline reponses in the same way that messages for "deny" and
725 other ACL rejections are.
726
75b1493f
PH
727PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
728 with slight modification.
729
7c5214ec
PH
730PH/23 Applied sieve patches from the maintainer "tracking the latest notify
731 draft, changing the syntax and factoring some duplicate code".
732
4311097e
PH
733PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
734 for deliveries of the second and subsequent messages over the same SMTP
735 connection.
736
29f89cad
PH
737PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
738 ${reduce, with only minor "tidies".
739
5e687460
SC
740SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
741
c3611384
PH
742PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
743 expansion side effects.
744
5a11a7b4
PH
745PH/27 When a message times out after an over-quota error from an Exim-imposed
746 quota, the bounce message says "mailbox is full". This message was not
747 being given when it was a system quota that was exceeded. It now should
748 be the same.
749
0e20aff9
MH
750MH/03 Made $recipients available in local_scan(). local_scan() already has
751 better access to the recipient list through recipients_list[], but
752 $recipients can be useful in postmaster-provided expansion strings.
753
ca86f471
PH
754PH/28 The $smtp_command and $smtp_command_argument variables were not correct
755 in the case of a MAIL command with additional options following the
756 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
757 were accidentally chopped off.
758
a14e5636
PH
759PH/29 SMTP synchronization checks are implemented when a command is read -
760 there is a check that no more input is waiting when there shouldn't be
761 any. However, for some commands, a delay in an ACL can mean that it is
762 some time before the response is written. In this time, more input might
763 arrive, invalidly. So now there are extra checks after an ACL has run for
764 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
765 pipelining has not been advertised.
766
ec95d1a6
PH
767PH/30 MH's patch to allow iscntrl() characters to be list separators.
768
42855d71
PH
769PH/31 Unlike :fail:, a custom message specified with :defer: was not being
770 returned in the SMTP response when smtp_return_error_details was false.
771 This has been fixed.
772
57c2c631
PH
773PH/32 Change the Dovecot authenticator to use read() and write() on the socket
774 instead of the C I/O that was originally supplied, because problems were
775 reported on Solaris.
776
58c01c94
PH
777PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
778 Exim which did not show up earlier: it was assuming that a call to
779 SSL_CTX_set_info_callback() might give an error value. In fact, there is
780 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
781 was a macro that became an assignment, so it seemed to work. This has
782 changed to a proper function call with a void return, hence the compile
783 error. Exim's code has been fixed.
784
dee5a20a
PH
785PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
786 cpus.
787
d2ee6114
PH
788PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
789
b2d5182b
PH
790PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
791
79749a79
PH
792PH/37 If a message is not accepted after it has had an id assigned (e.g.
793 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
794 "Completed" line in the log. When some messages of this type were
795 selected by exigrep, they were listed as "not completed". Others were
796 picked up by some special patterns. I have improved the selection
797 criteria to be more general.
79749a79 798
c456d9bb
PH
799PH/38 The host_find_failed option in the manualroute router can now be set
800 to "ignore", to completely ignore a host whose IP address cannot be
801 found. If all hosts are ignored, the behaviour is controlled by the new
802 host_all_ignored option.
803
cd9868ec
PH
804PH/39 In a list of hosts for manualroute, if one item (either because of multi-
805 homing or because of multiple MX records with /mx) generated more than
806 one IP address, and the following item turned out to be the local host,
807 all the secondary addresses of the first item were incorrectly removed
808 from the list, along with the local host and any following hosts (which
809 is what is supposed to happen).
810
ebeaf996
PH
811PH/40 When Exim receives a message, it writes the login name, uid, and gid of
812 whoever called Exim into the -H file. In the case of the daemon it was
813 behaving confusingly. When first started, it used values for whoever
814 started the daemon, but after a SIGHUP it used the Exim user (because it
815 calls itself on a restart). I have changed the code so that it now always
816 uses the Exim user.
817
2679d413
PH
818PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
819 message are rejected with the same error (e.g. no authentication or bad
820 sender address), and a DATA command is nevertheless sent (as can happen
821 with PIPELINING or a stupid MUA), the error message that was given to the
822 RCPT commands is included in the rejection of the DATA command. This is
823 intended to be helpful for MUAs that show only the final error to their
824 users.
825
84024b72
PH
826PH/42 Another patch from the Sieve maintainer.
827
8005d38e
SC
828SC/02 Eximstats - Differentiate between permanent and temporary rejects.
829 Eximstats - Fixed some broken HTML links and added missing column headers
830 (Jez Hancock).
831 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
832 columns for Rejects, Temp Rejects, Ham, and Spam rows.
833
3298c6c6
SC
834SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
835
a43a27c5
PH
836PH/43 Yet another patch from the Sieve maintainer.
837
58eb016e 838PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
839 the response to the final '.' that terminates a message, but only in the
840 case where the client has not sent further data following the '.'
841 (unfortunately, this is allowed). However, in many cases there won't be
842 any further data because there won't be any more messages to send. A call
843 to select() can be used: if it shows that the input is "ready", there is
844 either input waiting, or the socket has been closed. An attempt to read
845 the next input character can distinguish the two cases. Previously, Exim
58eb016e 846 would have sent an OK response which the client would never have see.
563b63fa
PH
847 This could lead to message repetition. This fix should cure that, at
848 least in a lot of common cases.
58eb016e 849
b43a74ea
PH
850PH/45 Do not advertise STARTTLS in response to HELP unless it would be
851 advertised in response to EHLO.
852
b4ed4da0 853
5dd1517f
PH
854Exim version 4.66
855-----------------
856
857PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
858 fixed by 4.65/MH/01 (is this a record?) are fixed:
859
860 (i) An empty string was always treated as zero by the numeric comparison
861 operators. This behaviour has been restored.
862
863 (ii) It is documented that the numeric comparison operators always treat
864 their arguments as decimal numbers. This was broken in that numbers
865 starting with 0 were being interpreted as octal.
866
867 While fixing these problems I realized that there was another issue that
868 hadn't been noticed. Values of message_size_limit (both the global option
869 and the transport option) were treated as octal if they started with 0.
870 The documentation was vague. These values are now always treated as
871 decimal, and I will make that clear in the documentation.
872
873
93cfa765
TK
874Exim version 4.65
875-----------------
876
877TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
878 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
879 versions. (#438)
880
d6066548
MH
881MH/01 Don't check that the operands of numeric comparison operators are
882 integers when their expansion is in "skipping" mode (fixes bug
883 introduced by 4.64-PH/07).
884
4362ff0d
PH
885PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
886 child addresses, Exim now panics and dies. Previously, because the count
887 is held in a short int, deliveries were likely to be lost. As such a
888 large number of recipients for a single message is ridiculous
889 (performance will be very, very poor), I have chosen to impose a limit
890 rather than extend the field.
891
93cfa765 892
944e9e9c
TF
893Exim version 4.64
894-----------------
aa41d2de 895
21d74bd9
TK
896TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
897 leftover -K file (the existence of which was triggered by #402).
898 While we were at it, introduced process PID as part of the -K
899 filename. This should rule out race conditions when creating
900 these files.
901
902TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
903 processing considerably. Previous code took too long for large mails,
904 triggering a timeout which in turn triggers #401.
905
906TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
907 in the DK code in transports.c. sendfile() is not really portable,
908 hence the _LINUX specificness.
944e9e9c
TF
909
910TF/01 In the add_headers option to the mail command in an Exim filter,
911 there was a bug that Exim would claim a syntax error in any
912 header after the first one which had an odd number of characters
913 in the field name.
914
2b1c6e3a
PH
915PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
916 callout verification, Exim cached a "reject" for the entire domain. This
917 is correct for most verifications, but it is not correct for a recipient
918 verification with use_sender or use_postmaster set, because in that case
919 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
920 case of MAIL FROM:<> rejection from other early rejections (e.g.
921 rejection of HELO). When verifying a recipient using a non-null MAIL
922 address, the cache is ignored if it shows MAIL FROM:<> rejection.
923 Whatever the result of the callout, the value of the domain cache is
924 left unchanged (for any other kind of callout, getting as far as trying
925 RCPT means that the domain itself is ok).
926
1f872c80
PH
927PH/02 Tidied a number of unused variable and signed/unsigned warnings that
928 gcc 4.1.1 threw up.
929
930PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
931 manifest itself as EPIPE rather than ECONNECT. When tidying away a
932 session, the daemon ignores ECONNECT errors and logs others; it now
933 ignores EPIPE as well.
934
d203e649
PH
935PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
936 (quoted-printable decoding).
937
cc2ed8f7 938PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 939 later the small subsequent patch to fix an introduced bug.
f951fd57 940
ddfcd446
PH
941PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
942
d45b1de8
PH
943PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
944
945PH/08 An error is now given if message_size_limit is specified negative.
946
38a0a95f 947PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 948 to be given (somewhat) arbitrary names.
38a0a95f 949
a2405d83
JJ
950JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
951 in 4.64-PH/09.
952
953JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
954 miscellaneous code fixes
955
6ea85e9a
PH
956PH/10 Added the log_reject_target ACL modifier to specify where to log
957 rejections.
958
26da7e20
PH
959PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
960 hostname. This is wrong, because it relates to the incoming message (and
961 probably the interface on which it is arriving) and not to the outgoing
962 callout (which could be using a different interface). This has been
963 changed to use the value of the helo_data option from the smtp transport
964 instead - this is what is used when a message is actually being sent. If
965 there is no remote transport (possible with a router that sets up host
966 addresses), $smtp_active_hostname is used.
6ea85e9a 967
14aa5a05 968PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 969 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
970 (a) The code assumed that strncpy() returns a negative number on buffer
971 overflow, which isn't the case. Replaced with Exim's string_format()
972 function.
973 (b) There were several signed/unsigned issues. I just did the minimum
974 hacking in of casts. There is scope for a larger refactoring.
975 (c) The code used strcasecmp() which is not a standard C function.
976 Replaced with Exim's strcmpic() function.
977 (d) The code set only $1; it now sets $auth1 as well.
978 (e) A simple test gave the error "authentication client didn't specify
979 service in request". It would seem that Dovecot has changed its
980 interface. Fortunately there's a specification; I followed it and
981 changed what the client sends and it appears to be working now.
982
ff75a1f7
PH
983PH/13 Added $message_headers_raw to provide the headers without RFC 2047
984 decoding.
985
e6f6568e
PH
986PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
987 address A is aliased to B and C, where B exists and C does not. Without
988 -v the output is "A verified" because verification stops after a
989 successful redirection if more than one address is generated. However,
990 with -v the child addresses are also verified. Exim was outputting "A
991 failed to verify" and then showing the successful verification for C,
992 with its parentage. It now outputs "B failed to verify", showing B's
993 parentage before showing the successful verification of C.
994
d6f6e0dc
PH
995PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
996 look up a TXT record in a specific list after matching in a combined
997 list.
998
322050c2
PH
999PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
1000 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
1001 they consult the DNS. I had assumed they would set it the way they
1002 wanted; and indeed my experiments on Linux seem to show that in some
1003 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
1004 To be on the safe side, however, I have now made the interface to
1005 host_find_byname() similar to host_find_bydns(), with an argument
1006 containing the DNS resolver options. The host_find_byname() function now
1007 sets these options at its start, just as host_find_bydns() does. The smtp
1008 transport options dns_qualify_single and dns_search_parents are passed to
1009 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
1010 of host_find_byname() use the default settings of RES_DEFNAMES
1011 (qualify_single) but not RES_DNSRCH (search_parents).
1012
08955dd3
PH
1013PH/17 Applied (a modified version of) Nico Erfurth's patch to make
1014 spool_read_header() do less string testing, by means of a preliminary
1015 switch on the second character of optional "-foo" lines. (This is
1016 overdue, caused by the large number of possibilities that now exist.
1017 Originally there were few.) While I was there, I also converted the
1018 str(n)cmp tests so they don't re-test the leading "-" and the first
1019 character, in the hope this might squeeze out yet more improvement.
1020
1eccaa59
PH
1021PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
1022 flag allowing group syntax was set by the header_syntax check but not
1023 turned off, possible causing trouble later; (2) The flag was not being
1024 set at all for the header_verify test, causing "group"-style headers to
1025 be rejected. I have now set it in this case, and also caused header_
1026 verify to ignore an empty address taken from a group. While doing this, I
1027 came across some other cases where the code for allowing group syntax
1028 while scanning a header line wasn't quite right (mostly, not resetting
1029 the flag correctly in the right place). These bugs could have caused
1030 trouble for malformed header lines. I hope it is now all correct.
1031
602e59e5
PH
1032PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
1033 with the "reply" argument non-NULL. The code, however (which originally
1034 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
1035 but it didn't always do it. This confused somebody who was copying the
1036 code for some other use. I have removed all the tests.
1037
411ef850
PH
1038PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
1039 feature that was used to support insecure browsers during the U.S. crypto
1040 embargo. It requires special client support, and Exim is probably the
1041 only MTA that supported it -- and would never use it because real RSA is
1042 always available. This code has been removed, because it had the bad
1043 effect of slowing Exim down by computing (never used) parameters for the
1044 RSA_EXPORT functionality.
1045
7befa435
PH
1046PH/21 On the advice of Timo Sirainen, added a check to the dovecot
1047 authenticator to fail if there's a tab character in the incoming data
1048 (there should never be unless someone is messing about, as it's supposed
1049 to be base64-encoded). Also added, on Timo's advice, the "secured" option
1050 if the connection is using TLS or if the remote IP is the same as the
1051 local IP, and the "valid-client-cert option" if a client certificate has
1052 been verified.
1053
48da4259 1054PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
1055 authenticators. This can be used for authorization after authentication
1056 succeeds. (In the case of plaintext, it servers for both authentication
1057 and authorization.)
1058
48da4259
PH
1059PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
1060 if any retry times were supplied.
1061
d1d5595c
PH
1062PH/24 Exim crashed if verify=helo was activated during an incoming -bs
1063 connection, where there is no client IP address to check. In this
1064 situation, the verify now always succeeds.
1065
0ef732d9
PH
1066PH/25 Applied John Jetmore's -Mset patch.
1067
328895cc
PH
1068PH/26 Added -bem to be like -Mset, but loading a message from a file.
1069
fd700877
PH
1070PH/27 In a string expansion for a processed (not raw) header when multiple
1071 headers of the same name were present, leading whitespace was being
1072 removed from all of them, but trailing whitespace was being removed only
1073 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
1074 before concatenation. Completely empty headers in a concatenation (as
1075 before) are ignored.
fd700877 1076
8dce1a6f
PH
1077PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
1078 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
1079
17af4a17
PH
1080PH/29 [Removed. This was a change that I later backed out, and forgot to
1081 correct the ChangeLog entry (that I had efficiently created) before
1082 committing the later change.]
f6c332bd
PH
1083
1084PH/30 Exim was sometimes attempting to deliver messages that had suffered
1085 address errors (4xx response to RCPT) over the same connection as other
1086 messages routed to the same hosts. Such deliveries are always "forced",
1087 so retry times are not inspected. This resulted in far too many retries
1088 for the affected addresses. The effect occurred only when there were more
1089 hosts than the hosts_max_try setting in the smtp transport when it had
1090 the 4xx errors. Those hosts that it had tried were not added to the list
1091 of hosts for which the message was waiting, so if all were tried, there
1092 was no problem. Two fixes have been applied:
1093
1094 (i) If there are any address or message errors in an SMTP delivery, none
1095 of the hosts (tried or untried) are now added to the list of hosts
1096 for which the message is waiting, so the message should not be a
1097 candidate for sending over the same connection that was used for a
1098 successful delivery of some other message. This seems entirely
1099 reasonable: after all the message is NOT "waiting for some host".
1100 This is so "obvious" that I'm not sure why it wasn't done
1101 previously. Hope I haven't missed anything, but it can't do any
1102 harm, as the worst effect is to miss an optimization.
1103
1104 (ii) If, despite (i), such a delivery is accidentally attempted, the
1105 routing retry time is respected, so at least it doesn't keep
1106 hammering the server.
1107
c1114884
PH
1108PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
1109 in ${readsocket because some servers need this prod.
1110
7a0743eb
PH
1111PH/32 Added some extra debug output when updating a wait-xxx database.
1112
0d85fa3f
PH
1113PH/33 The hint "could be header name not terminated by colon", which has been
1114 given for certain expansion errors for a long time, was not being given
1115 for the ${if def:h_colon_omitted{... case.
1116
1bf43b78
PH
1117PH/34 The spec says: "With one important exception, whenever a domain list is
1118 being scanned, $domain contains the subject domain." There was at least
1119 one case where this was not true.
1120
520de300
PH
1121PH/35 The error "getsockname() failed: connection reset by peer" was being
1122 written to the panic log as well as the main log, but it isn't really
1123 panic-worthy as it just means the connection died rather early on. I have
1124 removed the panic log writing for the ECONNRESET error when getsockname()
1125 fails.
1126
48c7f9e2
PH
1127PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
1128 runs only) independently of the message's sender address. This meant
1129 that, if the 4xx error was in fact related to the sender, a different
1130 message to the same recipient with a different sender could confuse
1131 things. In particualar, this can happen when sending to a greylisting
1132 server, but other circumstances could also provoke similar problems.
1133 I have changed the default so that the retry time for these errors is now
1134 based a combination of the sender and recipient addresses. This change
1135 can be overridden by setting address_retry_include_sender=false in the
1136 smtp transport.
1137
99ea1c86
PH
1138PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
1139 remote server are returned as part of bounce messages. This was not
1140 happening for LMTP over a pipe (the lmtp transport), but now it is the
1141 same for both kinds of LMTP.
1142
a2042e78
PH
1143PH/38 Despite being documented as not happening, Exim was rewriting addresses
1144 in header lines that were in fact CNAMEs. This is no longer the case.
1145
4fbcfc2e
PH
1146PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
1147 and queue runs started by the daemon processed all messages. This has
1148 been fixed so that -R and -S can now usefully be given with -q<time>.
1149
aa41d2de
PH
1150PH/40 Import PCRE release 6.7 (fixes some bugs).
1151
af561417
PH
1152PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
1153
3cc66b45
PH
1154PH/42 Give an error if -q is specified more than once.
1155
194cc0e4
PH
1156PH/43 Renamed the variables $interface_address and $interface_port as
1157 $received_ip_address and $received_port, to make it clear that these
1158 values apply to message reception, and not to the outgoing interface when
1159 a message is delivered. (The old names remain recognized, of course.)
1160
a401ddaa
PH
1161PH/44 There was no timeout on the connect() call when using a Unix domain
1162 socket in the ${readsocket expansion. There now is.
1163
4e88a19f
PH
1164PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
1165 be meaningful with "accept".
1166
d7d7b289
SC
1167SC/01 Eximstats V1.43
1168 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
1169
1170SC/02 Eximstats V1.44
1171 Use a glob alias rather than an array ref in the generated
1172 parser. This improves both readability and performance.
1173
1174SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
1175 Collect SpamAssassin and rejection statistics.
1176 Don't display local sender or destination tables unless
1177 there is data to show.
1178 Added average volumes into the top table text output.
1179
1180SC/04 Eximstats V1.46
1181 Collect data on the number of addresses (recipients)
1182 as well as the number of messages.
1183
1184SC/05 Eximstats V1.47
1185 Added 'Message too big' to the list of mail rejection
1186 reasons (thanks to Marco Gaiarin).
1187
1188SC/06 Eximstats V1.48
1189 Mainlog lines which have GMT offsets and are too short to
1190 have a flag are now skipped.
1191
1192SC/07 Eximstats V1.49 (Alain Williams)
1193 Added the -emptyok flag.
1194
1195SC/08 Eximstats V1.50
1196 Fixes for obtaining the IP address from reject messages.
1197
0ea2a468
JJ
1198JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
1199 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
1200 whitesspace changes from 4.64-PH/27
1201
1202JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
1203 match 4.64-PH/13
1204
1205JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
1206 are found, allow negative numbers in numeric criteria)
1207
1208JJ/06 exipick.20061117.2, added new $message_body_missing variable
1209
1210JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
1211 to match changes made in 4.64-PH/43
1212
8a10f5a4
PH
1213PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
1214
30e18802
PH
1215PH/47 Put in an explicit test for a DNS lookup of an address record where the
1216 "domain" is actually an IP address, and force a failure. This locks out
1217 those revolvers/nameservers that support "A-for-A" lookups, in
1218 contravention of the specifications.
1219
55728a4f
PH
1220PH/48 When a host name was looked up from an IP address, and the subsequent
1221 forward lookup of the name timed out, the host name was left in
1222 $sender_host_name, contrary to the specification.
d7d7b289 1223
d7837193
PH
1224PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1225 restricted to single-key lookups, Exim was not diagnosing an error if
1226 * or *@ was used with a query-style lookup.
1227
87054a31
PH
1228PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1229
ea2c01d2
MH
1230MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1231 long ago, but noone interested enough thought of it. Let's just say that
1232 the "1.1" means that there are some new functions that weren't there at
1233 some point in the past.
1234
e4fa6968
PH
1235PH/51 Error processing for expansion failure of helo_data from an smtp
1236 transport during callout processing was broken.
1237
56f5d9bd
PH
1238PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1239 tested/used via the -bh/-bhc/-bs options.
1240
922e1c28
PH
1241PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1242 bug, fixed in subsequent PCRE releases).
1243
21eb6e72
PH
1244PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1245 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1246
a0540757
PH
1247PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1248
944e9e9c 1249
478be7b0
SC
1250Exim version 4.63
1251-----------------
1252
1253SC/01 Use a glob alias rather than an array ref in eximstats generated
1254 parser. This improves both readability and performance.
1255
1256SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1257 Don't display local sender or destination tables in eximstats unless
1258 there is data to show.
1259 Added average volumes into the eximstats top table text output.
1260
1261SC/03 Collect data on the number of addresses (recipients) as well
1262 as the number of messages in eximstats.
1263
2b965a65
TF
1264TF/01 Correct an error in the documentation for the redirect router. Exim
1265 does (usually) call initgroups() when daemonizing.
478be7b0 1266
45b91596
PH
1267TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1268 with consistent privilege compared to when running as a daemon.
478be7b0 1269
c59f5781
TF
1270TF/03 Note in the spec that $authenticated_id is not set for local
1271 submissions from trusted users.
1272
90fc3069
TF
1273TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1274 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1275
6083aca0
TF
1276TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1277 by adding some example configuration directives to the default
1278 configuration file. A little bit of work is required to uncomment the
1279 directives and define how usernames and passwords are checked, but
1280 there is now a framework to start from.
1281
765b530f
PH
1282PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1283 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1284 without this. I don't know how relevant this is to other LDAP libraries.
1285
4e167a8c
PH
1286PH/02 Add the verb name to the "unknown ACL verb" error.
1287
4608d683
PH
1288PH/03 Magnus Holmgren's patch for filter_prepend_home.
1289
b8dc3e4a
PH
1290PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1291
5418e93b
PH
1292PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1293 directory not expanded when it should be if an expanded home directory
1294 was set for the address (which is overridden by the transport).
1295
b4a9bda2
PH
1296PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1297 libradius.
1298
45b91596
PH
1299PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1300 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1301 because it is too late at that time, and has no effect.
1302
5547e2c5
PH
1303PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1304 security issue with \' (bugzilla #107). I could not use the
1305 PQescapeStringConn() function, because it needs a PGconn value as one of
1306 its arguments.
1307
dbcef0ea
PH
1308PH/08 When testing addresses using -bt, indicate those final addresses that
1309 are duplicates that would not cause an additional delivery. At least one
1310 person was confused, thinking that -bt output corresponded to deliveries.
1311 (Suppressing duplicates isn't a good idea as you lose the information
1312 about possibly different redirections that led to the duplicates.)
1313
25257489
PH
1314PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1315 systems where poll() doesn't work, in particular OS X.
1316
c816d124
PH
1317PH/10 Added more information to debugging output for retry time not reached.
1318
a9ccd69a
PH
1319PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1320 operations in malware.c.
1321
75fa1910
PH
1322PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1323 signatures.
1324
a7d7aa58
PH
1325PH/13 If write_rejectlog was set false when logging was sent to syslog with
1326 syslog_duplication set false, log lines that would normally be written
1327 both the the main log and to the reject log were not written to syslog at
1328 all.
1329
42119b09
PH
1330PH/14 In the default configuration, change the use of "message" in ACL warn
1331 statements to "add_header".
1332
41609df5
PH
1333PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1334 not followed by a command (e.g. "seen endif").
1335
a5bd321b
PH
1336PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1337 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1338 latter.
1339
e85a7ad5 1340PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1341 so that it is now:
1342
e85a7ad5
PH
1343 ${if or { \
1344 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1345 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1346 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1347 }{no}{yes}}
1348
e85a7ad5
PH
1349 The Auto-Submitted: and various List- headers are standardised, whereas I
1350 don't think Precedence: ever was.
5dff5817 1351
d8fe1c03
PH
1352PH/18 Refactored debugging code in route_finduser() to show more information,
1353 in particular, the error code if getpwnam() issues one.
1354
16282d2b
PH
1355PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1356 This is apparently needed in addition to the PH/07 change above to avoid
1357 any possible encoding problems.
1358
35d40a98
PH
1359PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1360 but not after initializing Perl.
1361
034d99ab
PH
1362PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1363 output them only if debugging. By default they are written stderr,
1364 apparently, which is not desirable.
1365
6ec97b1b
PH
1366PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1367 queries.
1368
e22ca4ac
JJ
1369JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1370 --not options
1371
1372JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1373
33d73e3b
PH
1374PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1375 authenticated or an ident call has been made. Suppress the default
1376 values for $authenticated_id and $authenticated_sender (but permit -oMai
1377 and -oMas) when testing with -bh.
1378
9ecb03f3
PH
1379PH/24 Re-jigged the order of the tests in the default configuration so that the
1380 tests for valid domains and recipients precede the DNS black list and CSA
1381 tests, on the grounds that those ones are more expensive.
1382
084efe8d
PH
1383PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1384 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1385 This bug exists in every version of Exim that I still have, right back to
1386 0.12.
1387
366fc9f0
PH
1388PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1389 However, an attempt to turn on case-sensitivity in a regex key by
1390 including (?-i) didn't work because the subject string was already
1391 lowercased, and the effects were non-intuitive. It turns out that a
1392 one-line patch can be used to allow (?-i) to work as expected.
1393
c59f5781 1394
c887c79e
TF
1395Exim version 4.62
1396-----------------
1397
1398TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1399 other effects) broke the use of negated acl sub-conditions.
1400
1cce3af8
PH
1401PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1402 patch).
1403
afb3eaaf
PH
1404PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1405 "Deny" causes Exim to reject the incoming connection with a 554 error.
1406 Unfortunately, if there is a major crisis, such as a disk failure,
1407 tcp-wrappers gives "deny", whereas what one would like would be some
1408 kind of temporary error. A kludge has been added to help with this.
1409 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1410 554 error is used if errno is still zero or contains ENOENT (which occurs
1411 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1412 451 error is used.
1413
e173618b
PH
1414PH/03 Add -lutil to the default FreeBSD LIBS setting.
1415
dd16e114
PH
1416PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1417 errors. Otherwise a message that provokes a temporary error (when other
1418 messages do not) can cause a whole host to time out.
1419
f7fd3850
PH
1420PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1421 addresses were routed directly to files or pipes from a redirect router.
1422 File deliveries just didn't batch; pipe deliveries might have suffered
1423 odd errors.
1424
d87df92c
PH
1425PH/06 A failure to get a lock for a hints database would erroneously always say
1426 "Failed to get write lock", even when it was really a read lock.
1427
7e9f683d
PH
1428PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1429 of 0600. This has been changed to use the value of the lockfile_mode
1430 option (which defaults to 0600).
1431
bfad5236
PH
1432PH/08 Applied small patch from the Sieve maintainer.
1433
01c490df
PH
1434PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1435 folder from quota calculations, a direct delivery into this folder messed
1436 up the contents of the maildirsize file. This was because the regex was
1437 used only to exclude .Trash (or whatever) when the size of the mailbox
1438 was calculated. There was no check that a delivery was happening into an
1439 excluded directory. This bug has been fixed by ignoring all quota
1440 processing for deliveries into excluded directories.
1441
d6629cdc
PH
1442PH/10 Added the maildirfolder_create_regex option to appendfile.
1443
1cce3af8 1444
214e2000
PH
1445Exim version 4.61
1446-----------------
1447
1448PH/01 The code for finding all the local interface addresses on a FreeBSD
1449 system running IPv6 was broken. This may well have applied to all BSD
1450 systems, as well as to others that have similar system calls. The broken
1451 code found IPv4 interfaces correctly, but gave incorrect values for the
1452 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1453 that it would not match correctly against @[] and not recognize the IPv6
1454 addresses as local.
1455
f9daeae0
PH
1456PH/02 The ipliteral router was not recognizing addresses of the form user@
1457 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1458
7e66e54d
PH
1459PH/03 Added disable_ipv6.
1460
c8ea1597
PH
1461PH/04 Changed $reply_address to use the raw form of the headers instead of the
1462 decoded form, because it is most often used to construct To: headers
1463 lines in autoreplies, and the decoded form may well be syntactically
1464 invalid. However, $reply_address has leading white space removed, and all
1465 newlines turned into spaces so that the autoreply transport does not
1466 grumble.
1467
911f6fde
PH
1468PH/05 If group was specified without a user on a router, and no group or user
1469 was specified on a transport, the group from the router was ignored.
1470
47ca6d6c
PH
1471PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1472 for visible compile-time settings that can be used to change these
1473 numbers, for those that want even more. Backwards compatibility with old
1474 spool files has been maintained. However, going back to a previous Exim
1475 release will lost any variables that are in spool files.
1476
ed0e9820
PH
1477PH/07 Two small changes when running in the test harness: increase delay when
1478 passing a TCP/IP connection to a new process, in case the original
1479 process has to generate a bounce, and remove special handling of
1480 127.0.0.2 (sic), which is no longer necessary.
1481
eff37e47
PH
1482PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1483 be the same on different OS.
1484
1921d2ea
PH
1485PH/09 Moved a debug statement in filter processing to avoid a race problem when
1486 testing.
1487
b3f69ca8
JJ
1488JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1489 whether --show-vars was specified or not
1490
1491JJ/02 exipick: Added support for new ACL variable spool format introduced
1492 in 4.61-PH/06
1493
424a1c63
PH
1494PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1495 syntactically invalid From: or Reply-to: line, and a filter used this to
1496 generate an autoreply, and therefore failed to obtain an address for the
1497 autoreply, Exim could try to deliver to a non-existent relative file
1498 name, causing unrelated and misleading errors. What now happens is that
1499 it logs this as a hard delivery error, but does not attempt to create a
1500 bounce message.
1501
7a100415
PH
1502PH/11 The exinext utility has a -C option for testing purposes, but although
1503 the given file was scanned by exinext itself; it wasn't being passed on
1504 when Exim was called.
1505
19b9dc85
PH
1506PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1507 an end-of-file indication when reading a command response.
1508
309bd837
PH
1509PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1510 compiled. In many other places in Exim, IPv6 addresses are always
1511 recognized, so I have changed this. It also means that IPv4 domain
1512 literals of the form [IPV4:n.n.n.n] are now always recognized.
1513
59e82a2a
PH
1514PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1515 used if the router is not running as root, for example, when verifying at
1516 ACL time, or when using -bh. The debugging output from this situation was
1517 non-existent - all you got was a failure to exec. I have made two
1518 changes:
1519
1520 (a) Failures to set uid/gid, the current directory, or a process leader
1521 in a subprocess such as that created by queryprogram now generate
1522 suitable debugging ouput when -d is set.
1523
1524 (b) The queryprogram router detects when it is not running as root,
1525 outputs suitable debugging information if -d is set, and then runs
1526 the subprocess without attempting to change uid/gid.
1527
9edc04ce
PH
1528PH/15 Minor change to Makefile for building test_host (undocumented testing
1529 feature).
1530
1349e1e5
PH
1531PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1532 additional section of a DNS packet that returns MX or SRV records.
1533 Instead, it always explicitly searches for A/AAAA records. This avoids
1534 major problems that occur when a DNS server includes only records of one
1535 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1536 fixed another bug: if SRV records were looked up and the corresponding
1537 address records were *not* found in the additional section, the port
1538 values from the SRV records were lost.
1539
ea49d0e1
PH
1540PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1541 using the correct key (the original address) when searching the retry
1542 rules in order to find which one to use for generating the retry hint.
1543
064a94c9
PH
1544PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1545 adding the default one. Similarly, if it contains a Reply-To: header, the
1546 errors_reply_to option, if set, is not used.
1547
727071f8
PH
1548PH/19 When calculating a retry time, Exim used to measure the "time since
1549 failure" by looking at the "first failed" field in the retry record. Now
1550 it does not use this if it is later than than the arrival time of the
1551 message. Instead it uses the arrival time. This makes for better
1552 behaviour in cases where some deliveries succeed, thus re-setting the
1553 "first failed" field. An example is a quota failure for a huge message
1554 when small messages continue to be delivered. Without this change, the
1555 "time since failure" will always be short, possible causing more frequent
1556 delivery attempts for the huge message than are intended.
dd16e114 1557 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1558
f78eb7c6
PH
1559PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1560 $1, $2, $3) because the numerical variables can be reset during some
1561 expansion items (e.g. "match"), thereby losing the authentication data.
1562
21c28500
PH
1563PH/21 Make -bV show the size of off_t variables so that the test suite can
1564 decide whether to run tests for quotas > 2G.
1565
1566PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1567 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1568 filecount value is greater than 2G or if a quota value is greater than 2G
1569 on a system where the size of off_t is not greater than 4, a panic error
1570 is given.
1571
1688f43b
PH
1572PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1573 never match. The debug and -bh output now contains an explicit error
1574 message indicating a malformed IPv4 address or mask.
1575
1576PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1577 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1578 PH/23 above applies.
1579
9675b384
PH
1580PH/25 Do not write to syslog when running in the test harness. The only
1581 occasion when this arises is a failure to open the main or panic logs
1582 (for which there is an explicit test).
1583
6a3f1455
PH
1584PH/26 Added the /no_tell option to "control=freeze".
1585
dac79d3e
PH
1586PH/27 If a host name lookup failed very early in a connection, for example, if
1587 the IP address matched host_lookup and the reverse lookup yielded a name
1588 that did not have a forward lookup, an error message of the form "no IP
1589 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1590 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1591
5977a0b3
PH
1592PH/28 An enabling patch from MH: add new function child_open_exim2() which
1593 allows the sender and the authenticated sender to be set when
1594 submitting a message from within Exim. Since child_open_exim() is
1595 documented for local_scan(), the new function should be too.
1596
c91535f3
PH
1597PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1598 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1599 results in an empty string is now treated as unset.
1600
0d46a8c8
PH
1601PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1602
278c6e6c
PH
1603PH/31 Added sender_verify_fail logging option.
1604
2cbb4081
PH
1605PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1606 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1607 tidied the source and removed it altogether.
1608
3eef829e
PH
1609PH/33 When a queue run was abandoned because the load average was too high, a
1610 log line was always written; now it is written only if the queue_run log
1611 selector is set. In addition, the log line for abandonment now contains
1612 information about the queue run such as the pid. This is always present
1613 in "start" and "stop" lines but was omitted from the "abandon" line.
1614
1ab95fa6
PH
1615PH/34 Omit spaces between a header name and the colon in the error message that
1616 is given when verify = headers_syntax fails (if there are lots of them,
1617 the message gets confusing).
1618
230205fc
PH
1619PH/35 Change the default for dns_check_names_pattern to allow slashes within
1620 names, as there are now some PTR records that contain slashes. This check
1621 is only to protect against broken name servers that fall over on strange
1622 characters, so the fact that it applies to all lookups doesn't matter.
1623
75e0e026
PH
1624PH/36 Now that the new test suite is complete, we can remove some of the
1625 special code in Exim that was needed for the old test suite. For example,
1626 sorting DNS records because real resolvers return them in an arbitrary
1627 order. The new test suite's fake resolver always returns records in the
1628 same order.
1629
1630PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1631 bounces) except when queue_only is set, to avoid logging races between
1632 the different processes.
1633
145396a6
PH
1634PH/38 Panic-die if .include specifies a non-absolute path.
1635
3cd34f13
PH
1636PH/39 A tweak to the "H" retry rule from its user.
1637
11121d3d
JJ
1638JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1639 a label. They prevented compilation on older perls.
1640
1641JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1642 a warning to be raised on newish perls.
1643
1644JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1645 on queue. Changes to match documented behaviour of showing count of
1646 messages matching specified criteria.
1647
8def5aaf
PH
1648PH/40 Changed the default ident timeout from 30s to 5s.
1649
929ba01c
PH
1650PH/41 Added support for the use of login_cap features, on those BSD systems
1651 that have them, for controlling the resources used by pipe deliveries.
1652
2632889e
PH
1653PH/42 The content-scanning code uses fopen() to create files in which to put
1654 message data. Previously it was not paying any attention to the mode of
1655 the files. Exim runs with umask(0) because the rest of the code creates
1656 files with open(), and sets the required mode explicitly. Thus, these
1657 files were ending up world-writeable. This was not a big issue, because,
1658 being within the spool directory, they were not world-accessible. I have
1659 created a function called modefopen, which takes an additional mode
1660 argument. It sets umask(777), creates the file, chmods it to the required
1661 mode, then resets the umask. All the relevant calls to fopen() in the
1662 content scanning code have been changed to use this function.
1663
944a9c55
PH
1664PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1665 to 24 hours. This avoids potential overflow problems when processing G
1666 and H retry rules. I suspect nobody ever tinkers with this value.
1667
4a23603b
PH
1668PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1669
4730f942
PH
1670PH/45 When the plaintext authenticator is running as a client, the server's
1671 challenges are checked to ensure they are valid base64 strings. By
1672 default, the authentication attempt is cancelled if an invalid string is
1673 received. Setting client_ignore_invalid_base64 true ignores these errors.
1674 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1675 they are received. Thus, the responses can be made to depend on the
1676 challenges. If an invalid string is ignored, an empty string is placed in
1677 the variable.
1678
30dba1e6
PH
1679PH/46 Messages that are created by the autoreply transport now contains a
1680 References: header, in accordance with RFCs 2822 and 3834.
1681
382afc6b
PH
1682PH/47 Added authenticated_sender_force to the smtp transport.
1683
a86229cf
PH
1684PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1685
50c99ba6
PH
1686PH/49 Installed latest patch from the Sieve maintainer.
1687
d35e429d
PH
1688PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1689 was also set, the appendfile transport was unnecessarily scanning a
1690 directory of message files (e.g. for maildir delivery) to find the count
1691 of files (along with the size), even though it did not need this
1692 information. It now does the scan only if it needs to find either the
1693 size of the count of files.
1694
f90d018c
PH
1695PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1696
75def545
PH
1697PH/52 Two bugs concerned with error handling when the smtp transport is
1698 used in LMTP mode:
1699
1700 (i) Exim was not creating retry information for temporary errors given
1701 for individual recipients after the DATA command when the smtp transport
1702 was used in LMTP mode. This meant that they could be retried too
1703 frequently, and not timed out correctly.
1704
1705 (ii) Exim was setting the flag that allows error details to be returned
1706 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1707 recipients that were returned after the DATA command.
1708
1709PH/53 This is related to PH/52, but is more general: for any failing address,
1710 when detailed error information was permitted to be returned to the
1711 sender, but the error was temporary, then after the final timeout, only
1712 "retry timeout exceeded" was returned. Now it returns the full error as
1713 well as "retry timeout exceeded".
1714
c46782ef
PH
1715PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1716 do this, and (what is worse) MTAs that accept it.
1717
71fafd95
PH
1718PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1719 will now be deprecated.
1720
2c5db4fd
PH
1721PH/56 New os.c-cygwin from the Cygwin maintainer.
1722
9cf6b11a
JJ
1723JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1724 formats (previously only available in exim formats via -bpr, -bpru,
1725 and -bpra. Now also available in native and exiqgrep formats)
1726
1727JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1728 with very large, slow to parse queues
1729
1730JJ/08 exipick: added ! as generic prefix to negate any criteria format
1731
1732JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1733
898d150f
PH
1734PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1735 responses to authentication challenges, though it was showing the
1736 challenges; (ii) I've removed the CR characters from the debug output for
1737 SMTP output lines.
1738
46218253
PH
1739PH/58 Allow for the insertion of a newline as well as a space when a string
1740 is turned into more than one encoded-word during RFC 2047 encoding. The
1741 Sieve code now uses this.
1742
e97957bc
PH
1743PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1744 data_4xx, lost_connection, tls_required.
1745
81e509d7
PH
1746PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1747 message was being sent as an SMTP response.
1748
3d240ff7
PH
1749PH/61 Add -l and -k options to exicyclog.
1750
b37c4101
PH
1751PH/62 When verifying, if an address was redirected to one new address, so that
1752 verification continued, and the new address failed or deferred after
1753 having set something in $address_data, the value of $address_data was not
1754 passed back to the ACL. This was different to the case when no
1755 redirection occurred. The value is now passed back in both cases.
1756
79378e0f
PH
1757PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1758 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1759 use login_cap.h, so on its own it isn't the distinguishing feature. The
1760 new name refers directly to the setclassresources() function.
1761
e49c7bb4
PH
1762PH/65 Added configuration files for NetBSD3.
1763
d114ec46
PH
1764PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1765
f3d7df6c
PH
1766PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1767 is preferred over IPv4.
1768
715ab376
PH
1769PH/68 The bounce_return_message and bounce_return_body options were not being
1770 honoured for bounces generated during the reception of non-SMTP messages.
1771 In particular, this applied to messages rejected by the ACL. This bug has
1772 been fixed. However, if bounce_return_message is true and bounce_return_
1773 body is false, the headers that are returned for a non-SMTP message
1774 include only those that have been read before the error was detected.
1775 (In the case of an ACL rejection, they have all been read.)
1776
6b31b150
PH
1777PH/69 The HTML version of the specification is now built in a directory called
1778 spec_html instead of spec.html, because the latter looks like a path with
1779 a MIME-type, and this confuses some software.
1780
1781PH/70 Catch two compiler warnings in sieve.c.
1782
d515a917
PH
1783PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1784 function verify_get_ident() calls ip_connect() to connect a socket, but
1785 if the "connect()" function timed out, ip_connect() used to close the
1786 socket. However, verify_get_ident() also closes the socket later, and in
1787 between Exim writes to the log, which may get opened at this point. When
1788 the socket was closed in ip_connect(), the log could get the same file
1789 descriptor number as the socket. This naturally causes chaos. The fix is
1790 not to close the socket in ip_connect(); the socket should be closed by
1791 the function that creates it. There was only one place in the code where
1792 this was missing, in the iplookup router, which I don't think anybody now
1793 uses, but I've fixed it anyway.
1794
9b8fadde
PH
1795PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1796 well as to direct DNS lookups. Otherwise the handling of names in host
1797 lists is inconsistent and therefore confusing.
1798
214e2000 1799
5de37277
PH
1800Exim version 4.60
1801-----------------
1802
cc38ddbf
PH
1803PH/01 Two changes to the default runtime configuration:
1804
1805 (1) Move the checks for relay_from_hosts and authenticated clients from
1806 after to before the (commented out) DNS black list checks.
1807
1808 (2) Add control=submission to the relay_from_hosts and authenticated
1809 clients checks, on the grounds that messages accepted by these
1810 statements are most likely to be submissions.
5de37277 1811
72fdd6ae
PH
1812PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1813
1814 (1) Generate an error if the third argument for the ${prvs expansion is
1815 not a single digit.
1816
1817 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1818 string.
1819
1820 (3) Reset the variables that are obtained from the first argument of
1821 ${prvscheck and used in the second argument before leaving the code,
1822 because their memory is reclaimed, so using them afterwards may do
1823 silly things.
1824
1825 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1826 one (it's much easier than Tom thought :-).
1827
1828 (5) Because of (4), we can now allow for the use of $prvscheck_result
1829 inside the third argument.
cb9328de 1830
cb741023
PH
1831PH/03 For some reason, the default setting of PATH when running a command from
1832 a pipe transport was just "/usr/bin". I have changed it to
1833 "/bin:/usr/bin".
1834
f174f16e
PH
1835PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1836 anything to be listed in the output from -bV.
b2f5a032 1837
c25242d7
PH
1838PH/05 When a filter generated an autoreply, the entire To: header line was
1839 quoted in the delivery log line, like this:
1840
1841 => >A.N.Other <ano@some.domain> <original@ddress> ...
1842
1843 This has been changed so that it extracts the operative address. There
1844 may be more than one such address. If so, they are comma-separated, like
1845 this:
1846
1847 => >ano@some.domain,ona@other.domain <original@ddress> ...
1848
82c19f95
PH
1849PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1850 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1851 not being looked up in the rDNS to get a host name, Exim was showing the
1852 IP address twice in Received: lines, even though the IP addresses were
1853 identical. For example:
1854
1855 Received: from [1.2.3.4] (helo=[1.2.3.4])
1856
1857 However, if the real host name was known, it was omitting the HELO data
1858 if it matched the actual IP address. This has been tidied up so that it
1859 doesn't show the same IP address twice.
1860
d7ffbc12
PH
1861PH/07 When both +timestamp and +memory debugging was on, the value given by
1862 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1863 called by the debug printing, thereby overwriting the timestamp buffer.
1864 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1865
9f526266
PH
1866PH/08 When the original message was included in an autoreply transport, it
1867 always said "this is a copy of the message, including all the headers",
1868 even if body_only or headers_only was set. It now gives an appropriate
1869 message.
1870
87fcc8b9
PH
1871PH/09 Applied a patch from the Sieve maintainer which:
1872
1873 o fixes some comments
1874 o adds the (disabled) notify extension core
1875 o adds some debug output for the result of if/elsif tests
1876 o points to the current vacation draft in the documentation
1877 and documents the missing references header update
1878
1879 and most important:
1880
1881 o fixes a bug in processing the envelope test (when testing
1882 multiple envelope elements, the last element determinted the
1883 result)
1884
456682f5
PH
1885PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1886 Electronic Mail") by including:
1887
1888 Auto-submitted: auto-generated
1889
1890 in the messages that it generates (bounce messages and others, such as
1891 warnings). In the case of bounce messages for non-SMTP mesages, there was
1892 also a typo: it was using "Auto_submitted" (underscore instead of
1893 hyphen). Since every message generated by Exim is necessarily in response
1894 to another message, thes have all been changed to:
1895
1896 Auto-Submitted: auto-replied
1897
1898 in accordance with these statements in the RFC:
1899
1900 The auto-replied keyword:
1901
1902 - SHOULD be used on messages sent in direct response to another
1903 message by an automatic process,
1904
1905 - MUST NOT be used on manually-generated messages,
1906
1907 - MAY be used on Delivery Status Notifications (DSNs) and Message
1908 Disposition Notifications (MDNs),
1909
1910 - MUST NOT be used on messages generated by automatic or periodic
1911 processes, except for messages which are automatic responses to
1912 other messages.
1913
3e46c1aa
PH
1914PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1915 to the default Received: header definition.
456682f5 1916
49826d12
PH
1917PH/12 Added log selector acl_warn_skipped (default on).
1918
eba0c039
PH
1919PH/13 After a successful wildlsearch lookup, discard the values of numeric
1920 variables because (a) they are in the wrong storage pool and (b) even if
1921 they were copied, it wouldn't work properly because of the caching.
1922
a0d6ba8a
PH
1923PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1924 checking when decoding. Apparently there are clients that generate
1925 overlong encoded strings. Why am I not surprised?
1926
f0917727
PH
1927PH/15 If the first argument of "${if match_address" was not empty, but did not
1928 contain an "@" character, Exim crashed. Now it writes a panic log message
1929 and treats the condition as false.
1930
096fee00
PH
1931PH/16 In autoreply, treat an empty string for "once" the same as unset.
1932
024bd3c2
PH
1933PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1934 extension "envelope-auth". The code is finished and in agreement with
1935 other implementations, but there is no documentation so far and in fact,
1936 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1937 not changing the active code.
1938
1939 Print executed "if" and "elsif" statements when debugging is used. This
1940 helps a great deal to understand what a filter does.
1941
1942 Document more things not specified clearly in RFC3028. I had all this
1943 sorted out, when out of a sudden new issues came to my mind. Oops."
1944
df199fec
PH
1945PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1946 (Bugzilla #53).
1947
d27f1df3
PH
1948PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1949 canonical form (as documented). However, after a host name lookup from
1950 the IP address, check_host() was doing a simple string comparison with
1951 addresses acquired from the DNS when checking that the found name did
1952 have the original IP as one of its addresses. Since any found IPv6
1953 addresses are likely to be in abbreviated form, the comparison could
1954 fail. Luckily, there already exists a function for doing the comparison
1955 by converting both addresses to binary, so now that is used instead of
1956 the text comparison.
1957
96776534
PH
1958PH/20 There was another similar case to PH/19, when a complete host name was
1959 given in a host list; looking up its IP address could give an abbreviated
1960 form, whereas the current host's name might or might not be abbreviated.
1961 The same fix has been applied.
1962
5de37277 1963
9a799bc0
PH
1964Exim version 4.54
1965-----------------
1966
1967PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1968 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1969 It now does.
1970
99a4b039
PH
1971PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1972 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1973
1974PH/03 Typo: missing ".o" in src/pcre/Makefile.
1975
4b233853
PH
1976PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1977 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1978 Also, for "Auto-Submitted", treat anything other than "no" as
1979 non-personal, in accordance with RFC 3834. (Previously it treated
1980 anything starting "auto-" as non-personal.)
1981
8857ccfd
PH
1982TF/01 The control=submission/name=... option had a problem with syntax
1983 errors if the name included a slash character. The /name= option
1984 now slurps the rest of the string, so it can include any characters
1985 but it must come last in the list of options (after /sender_retain
1986 or /domain=).
1987
433a2980
PH
1988PH/05 Some modifications to the interface to the fake nameserver for the new
1989 testing suite.
1990
3e46c1aa 1991
9a799bc0 1992
e3a311ba
TK
1993Exim version 4.53
1994-----------------
1995
1996TK/01 Added the "success_on_redirect" address verification option. See
1997 NewStuff for rationale and an example.
1998
13b685f9
PH
1999PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
2000
395ff96d
PH
2001PH/02 Patch to exigrep to allow it to work on syslog lines.
2002
5b68f6e4
PH
2003PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
2004 fread() to skip over the body file's header line, because in Cygwin the
2005 header line is locked and is inaccessible.
2006
1ab52c69
PH
2007PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
2008 co-exist for some time) to make it clear that it is the Exim ID that is
2009 referenced, not the Message-ID: header line.
2010
b07e6aa3
PH
2011PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
2012 string_format() function, because snprintf() does not exist on all
2013 operating systems.
2014
254e032f
PH
2015PH/06 The use of forbid_filter_existstest now also locks out the use of the
2016 ${stat: expansion item.
2017
3af76a81
PH
2018PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
2019 protocol synchronization error", to keep the pedants happy.
2020
2548ba04
PH
2021PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
2022 well as for IRIX systems, when gcc is being used. See the host.c source
2023 file for comments.
2024
b6c6011d
PH
2025PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
2026
cf39cf57
PH
2027PH/10 Named domain lists were not working if used in a queue_smtp_domains
2028 setting.
2029
f1513293
PH
2030PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
2031 transport and to the smtp transport in LMTP mode.
2032
727549a4
PH
2033TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
2034
af46795e
PH
2035PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
2036 run a filter in a subprocess. This could lead to confusion in subsequent
2037 lookups in the parent process. There should also be a search_tidyup() at
2038 the end of the subprocess.
2039
d7b47fd0
PH
2040PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
2041 only if the host matched helo_try_verify_hosts, which caused the
2042 verification to occur when the EHLO/HELO command was issued. The ACL just
2043 tested the remembered result. Now, if a previous verification attempt has
2044 not happened, "verify = helo" does it there and then.
2045
ee744174
JJ
2046JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
2047
b582ab87
PH
2048TK/03 Fix log output including CR from clamd.
2049
41a13e0a
PH
2050PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
2051 exist provoked a memory error which could cause a segfault.
2052
f625cc5a
PH
2053PH/15 Installed PCRE 6.2
2054
2055PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
2056
21f7af35
PH
2057PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
2058 of the problem. Specifically, suggested +O2 rather than +O1 for the
2059 HP-UX compiler.
2060
31480e42
PH
2061PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
2062
2d280592
PH
2063PH/20 If a delivery was routed to a non-standard port by means of an SRV
2064 record, the port was not correctly logged when the outgoing_port log
2065 selector was set (it logged the transort's default port).
2066
7cd1141b
PH
2067PH/21 Added support for host-specific ports to manualroute, queryprogram,
2068 fallback_hosts, and "hosts" in the smtp transport.
2069
2070PH/22 If the log selector "outgoing_port" is set, the port is now also given on
2071 host errors such as "Connection refused".
2072
750af86e
PH
2073PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
2074 authentication with radiusclient 0.4.9:
2075
2076 - Error returned from rc_read_config was caught wrongly
2077 - Username/password not passed on to radius server due to wrong length.
2078
2079 The presumption is that some radiusclient API changes for 4.51/PH/17
2080 were not taken care of correctly. The code is still untested by me (my
2081 Linux distribution still has 0.3.2 of radiusclient), but it was
2082 contributed by a Radius user.
2083
2084PH/24 When doing a callout, the value of $domain wasn't set correctly when
2085 expanding the "port" option of the smtp transport.
2086
4304270b
TK
2087TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
2088 while reading a MIME header. Thanks to Tom Hughes for a patch.
2089
750af86e
PH
2090PH/24 Include config.h inside local_scan.h so that configuration settings are
2091 available.
2092
64ffc24f
PH
2093PH/25 Make $smtp_command_argument available after all SMTP commands. This means
2094 that in an ACL for RCPT (for example), you can examine exactly what was
2095 received.
2096
5dd9625b
PH
2097PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
2098 commands, but it was not correctly comparing the address with the actual
2099 client host address. Thus, it would show the EHLO address in Received:
2100 header lines when this was not necessary.
2101
5591031b
PH
2102PH/27 Added the % operator to ${eval:}.
2103
ba18e66a
PH
2104PH/28 Exim tries to create and chdir to its spool directory when it starts;
2105 it should be ignoring failures (because with -C, for example, it has lost
2106 privilege). It wasn't ignoring creation failures other than "already
2107 exists".
2108
9cec981f
PH
2109PH/29 Added "crypteq" to the list of supported features that Exim outputs when
2110 -bV or -d is used.
2111
aa2b5c79
PH
2112PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
2113 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
2114 too many continuations, the temporary file was not being removed, and the
2115 return code was incorrect.
aa2b5c79 2116
48a53b7f
PH
2117PH/31 Missing "BOOL" in function definition in filtertest.c.
2118
1c59d63b
PH
2119PH/32 Applied Sieve patches from the maintainer.
2120
671012da
TK
2121TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
2122
1509d3a8
PH
2123PH/33 Added "verify = not_blind".
2124
2125PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
2126 Local/Makefile (with some defaults set). These are used in built scripts
2127 such as exicyclog, but they have never been used in the exim_install
2128 script (though there are many overriding facilities there). I have
2129 arranged that the exim_install script now takes note of these two
2130 settings.
2131
2132PH/35 Installed configuration files for Dragonfly.
2133
2fe1a124
PH
2134PH/36 When a locally submitted message by a trusted user did not contain a
2135 From: header, and the sender address was obtained from -f or from an SMTP
2136 MAIL command, and the trusted user did not use -F to supply a sender
2137 name, $originator_name was incorrectly used when constructing a From:
2138 header. Furthermore, $originator_name was used for submission mode
2139 messages from external hosts without From: headers in a similar way,
2140 which is clearly wrong.
2141
8800895a
PH
2142PH/37 Added control=suppress_local_fixups.
2143
ccfdb010
PH
2144PH/38 When log_selector = +received_sender was set, and the addition of the
2145 sender made the log line's construction buffer exactly full, or one byte
2146 less than full, an overflow happened when the terminating "\n" was
2147 subsequently added.
2148
1130bfb0
PH
2149PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
2150 when the result of a list match is failure because a DNS lookup failed.
2151
ebcb507f
PH
2152PH/40 RM_COMMAND is now used in the building process.
2153
c35e155c
PH
2154PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
2155 the "build-* directories that it finds.
2156
95d1f782
PH
2157PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
2158 address in a domain literal was a prefix of an interface address.
2159
fd6de02e
PH
2160PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
2161 when verifying a sender address, unless rewrite_headers is false.
2162
58de37c5
PH
2163PH/44 Wrote a long comment about why errors_to addresses are verified as
2164 recipients, not senders.
2165
261cf466
TF
2166TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
2167 the ratelimit ACL was added.
2168
3ee512ff
PH
2169PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
2170
e08c430f
PH
2171PH/46 Added extra information about PostgreSQL errors to the error string.
2172
bef5a11f
PH
2173PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
2174 avoiding the need to install special zones in a real server. This is
2175 backwards compatible; if it can't find the fake resolver, it drops back.
2176 Thus, both old and new test suites can be run.
2177
7546de58
TF
2178TF/02 Added util/ratelimit.pl
2179
e5d5a95f
TF
2180TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
2181 clock is set back in time.
2182
2e88a017
TF
2183TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
2184 Candler <B.Candler@pobox.com>.
2185
a5f65aa4
TF
2186TF/05 The fix for PH/43 was not completely correct; widen_domains is always
2187 OK for addresses that are the result of redirections.
2188
e7726cbf
PH
2189PH/48 A number of further additions for the benefit of the new test suite,
2190 including a fake gethostbyname() that interfaces to the fake DNS resolver
2191 (see PH/47 above).
2192
a7fdad5b
TF
2193TF/06 The fix for widen_domains has also been applied to qualify_single and
2194 search_parents which are the other dnslookup options that can cause
2195 header rewrites.
2196
6af56900
PH
2197PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
2198 type ("H").
2199
0925ede6
PH
2200PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
2201
66afa403
TF
2202TF/07 Exim produced the error message "an SRV record indicated no SMTP
2203 service" if it encountered an MX record with an empty target hostname.
2204 The message is now "an MX or SRV record indicated no SMTP service".
2205
0154e85a
TF
2206TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
2207 if the DNS of the sending site is misconfigured. This is quite a
2208 common situation. This change restores the behaviour of treating a
2209 helo verification defer as a failure.
2210
16f12c76
PH
2211PH/51 If self=fail was set on a router, the bounce message did not include the
2212 actual error message.
2213
bbe902f0 2214
e5a9dba6
PH
2215Exim version 4.52
2216-----------------
2217
2218TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
2219
22c3b60b
PH
2220PH/01 When a transport filter timed out in a pipe delivery, and the pipe
2221 command itself ended in error, the underlying message about the transport
2222 filter timeout was being overwritten with the pipe command error. Now the
2223 underlying error message should be appended to the second error message.
2224
06a9b4b5
PH
2225TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2226
c1ac6996
PH
2227PH/02 Reduce the amount of output that "make" produces by default. Full output
2228 can still be requested.
2229
9c7a242c
PH
2230PH/03 The warning log line about a condition test deferring for a "warn" verb
2231 was being output only once per connection, rather than after each
2232 occurrence (because it was using the same function as for successful
2233 "warn" verbs). This seems wrong, so I have changed it.
2234
87ba3f5f
PH
2235TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2236 it should not have, which might have caused a crash in the right
2237 circumstances, but probably never did.
2238
2239PH/04 Installed a modified version of Tony Finch's patch to make submission
2240 mode fix the return path as well as the Sender: header line, and to
2241 add a /name= option so that you can make the user's friendly name appear
2242 in the header line.
2243
29aba418
TF
2244TF/03 Added the control = fakedefer ACL modifier.
2245
fe0dab11
TF
2246TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2247 Mark Lowes for thorough testing.
870f6ba8 2248
11d337a4
TK
2249TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2250
2251TK/03 Merged latest SRS patch from Miles Wilton.
2252
415c8f3b
PH
2253PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2254 with the definition in sysexits.h (which is #included earlier).
2255 Fortunately, Exim does not actually use EX_OK. The code used to try to
2256 preserve the sysexits.h value, by assumimg that macro definitions were
2257 scanned for macro replacements. I have been disabused of this notion,
2258 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2259
958541e9
PH
2260PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2261 in the smtp transport. When a block could not be written in a single
2262 write() function, the timeout was being re-applied to each part-write.
2263 This seems wrong - if the receiver was accepting one byte at a time it
2264 would take for ever. The timeout is now adjusted when this happens. It
2265 doesn't have to be particularly precise.
2266
c206415f
TK
2267TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2268 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2269
2a4be8f9
PH
2270PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2271 without a domain if the check to <postmaster@domain> fails.
2272
1cba11c5
SC
2273SC/01 Eximstats: added -xls and the ability to specify output files
2274 (patch written by Frank Heydlauf).
2275
2276SC/02 Eximstats: use FileHandles for outputing results.
2277
2278SC/03 Eximstats: allow any combination of xls, txt, and html output.
2279
2280SC/04 Eximstats: fixed display of large numbers with -nvr option
2281
2282SC/05 Eximstats: fixed merging of reports with empty tables.
2283
2284SC/06 Eximstats: added the -include_original_destination flag
2285
2286SC/07 Eximstats: removed tabs and trailing whitespace.
2287
1005d00e
TK
2288TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2289
2290TK/06 MBOX spool code: Add real "From " MBOX separator line
2291 so the .eml file is really in mbox format (even though
2292 most programs do not really care). Patch from Alex Miller.
2293
2294TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2295 The latter is generated from $received_to and is only set if the
2296 message has one envelope recipient. SA can use these headers,
2297 obviously out-of-the-box. Patch from Alex Miller.
2298
9b4768fa
PH
2299PH/08 The ${def test on a variable was returning false if the variable's
2300 value was "0", contrary to what the specification has always said!
2301 The result should be true unless the variable is empty.
2302
2303PH/09 The syntax error of a character other than { following "${if
2304 def:variable_name" (after optional whitespace) was not being diagnosed.
2305 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2306 accidental colon was present, for example, could give incorrect results.
2307
0d7eb84a
PH
2308PH/10 Tidied the code in a number of places where the st_size field of a stat()
2309 result is used (not including appendfile, where other changes are about
2310 to be made).
2311
2312PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2313 This involved changing a lot of size variables from int to off_t. It
2314 should work with maildirs and everything.
2315
40727bee
TK
2316TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2317 spamd dying while we are connected to it.
2318
554d2369
TF
2319TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2320 <jgh@wizmail.org>
2321
1f922db1
PH
2322PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2323 function for BDB 4.3.
2324
ef213c3b
PH
2325PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2326
8ac170f3
PH
2327PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2328 the sources for PCRE have been re-arranged and more files are now
2329 involved.
2330
b1c749bb
PH
2331PH/15 The code I had for printing potentially long long variables in PH/11
2332 above was not the best (it lost precision). The length of off_t variables
2333 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2334 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2335 to be "long long int" or "long int". This is needed for the internal
2336 formatting function string_vformat().
b1c749bb 2337
4aac9b49
PH
2338PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2339 the configuration file to be ":syslog", then the script "guesses" where
2340 the logs files are, rather than using the compiled in default. In our
2341 case the guess is not the same as the compiled default, so the script
2342 suddenly stopped working when I started to use syslog. The patch checks
2343 to see if log_file_path is "". If so, it attempts to read it from exim
2344 with no configuration file to get the compiled in version, before it
2345 falls back to the previous guessing code."
2346
294520c8
TK
2347TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2348 implementing BATV in an Exim configuration. See NewStuff for the gory
2349 details.
2350
5bd022fe
PH
2351PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2352 Makefile that are specific to HP-UX.
2353
90e9ce59
PH
2354PH/18 If the "use_postmaster" option was set for a recipient callout together
2355 with the "random" option, the postmaster address was used as the MAIL
2356 FROM address for the random test, but not for the subsequent recipient
2357 test. It is now used for both.
2358
5ea81592
PH
2359PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2360 patch removes a few documentation additions to RFC 3028, because the
2361 latest draft now contains them. It adds the new en;ascii-case comparator
2362 and a new error check for 8bit text in MIME parts. Comparator and
2363 require names are now matched exactly. I enabled the subaddress
2364 extension, but it is not well tested yet (read: it works for me)."
2365
c6c2dc1d
PH
2366PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2367 rework some of the code of TK/09 above to avoid the hardwired use of
2368 "%lld" and "long long". Replaced the call to snprintf() with a call to
2369 string_vformat().
2370
fffffe4c
PH
2371PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2372 records point to non-existent hosts", "retry timeout exceeded", and
2373 "retry time not reached for any host after a long failure period".
ca02eafb 2374
9a26b6b2
PH
2375PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2376 experimental DomainKeys support:
2377
2378 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2379 (2) On an error such as an illegally used "control", the wrong name for
2380 the control was given.
2381
2382 These problems did NOT occur unless DomainKeys support was compiled.
2383
4aee0225
PH
2384PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2385
32d668a5
PH
2386PH/24 Added ${if match_ip condition.
2387
8187c3f3
PH
2388PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2389 databases so that it will be absolutely obvious if a crash occurs in the
2390 DB library. This is a regular occurrence (often caused by mis-matched
2391 db.h files).
2392
ff790e47 2393PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2394 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2395 picked up on a user's system that detects such things. There doesn't seem
2396 to be a gcc warning option for this - only an attribute that has to be
2397 put on the function's prototype. It seems that in Fedora Core 4 they have
2398 set this on a number of new functions. No doubt there will be more in due
2399 course.
ff790e47 2400
5417f6d1
PH
2401PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2402 specify a transport. However, if an address that was verified by such a
2403 router was the subject of a callout, Exim crashed because it tried to
2404 read the rcpt_include_affixes from the non-existent transport. Now it
2405 just assumes that the setting of that option is false. This bug was
2406 introduced by 4.51/PH/31.
2407
59cf8544
PH
2408PH/28 Changed -d+all to exclude +memory, because that information is very
2409 rarely of interest, but it makes the output a lot bigger. People tend to
2410 do -d+all out of habit.
2411
e7ad8a65
PH
2412PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2413 code in os-type was giving problems when libc.so lives in lib64, like on
2414 x86_64 Fedora Core.
2415
ade42478
PH
2416PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2417 aren't the modern standard, and it seems that some systems' include files
2418 don't always have them. Exim was already checking for some of the newer
2419 ones like T_AAAA, and defining it itself. I've added checks for all the
2420 record types that Exim uses.
2421
182ad5cf
PH
2422PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2423 not automatically generating a new one, as it is supposed to. This
2424 prevented TLS from working. If the file did exist, but contained invalid
2425 data, a new version was generated, as expected. It was only the case of a
2426 non-existent file that was broken.
2427
b0d9fc80
TK
2428TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2429 with a change in libdomainkeys > 0.64.
2430
2431TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2432 from DNS. If the selector record carries the flag, it now has
2433 precedence over the domain-wide flag.
2434
2435TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2436
47c7a64a
PH
2437PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2438 the use of a port name that isn't defined in /etc/services) occurred, the
2439 message was deferred as in a normal delivery, and thus remained on the
2440 spool, instead of being failed because of the mua_wrapper setting. This
2441 is now fixed, and I tidied up some of the mua_wrapper messages at the
2442 same time.
2443
a388bce4
SC
2444SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2445 the messages in a hash of arrays rather than using individual hashes.
2446 This is a bit cleaner and results in dramatic memory savings, albeit
2447 at a slight CPU cost.
2448
2449SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2450 as requested by Marc Sherman.
2451
2452SC/10 Eximstats: added histograms for user specified patterns as requested
2453 by Marc Sherman.
2454
0793e4ed
SC
2455SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2456
c58b88df
PH
2457PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2458 fopen() in the content-scanning modules that did not already have it.
2459
e7ad8a65 2460
7982096b
PH
2461Exim version 4.51
2462-----------------
2463
1a46a8c5
PH
2464TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2465 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2466
2f079f46 2467TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2468
2469TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2470
2471PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2472 to test Sieve filters that use "vacation".
2473
2474PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2475 that changes the way the GnuTLS parameters are stored in the cache file.
2476 The new format can be generated externally. For backward compatibility,
2477 if the data in the cache doesn't make sense, Exim assumes it has read an
2478 old-format file, and it generates new data and writes a new file. This
2479 means that you can't go back to an older release without removing the
2480 file.
2481
2482PH/03 A redirect router that has both "unseen" and "one_time" set does not
2483 work if there are any delivery delays because "one_time" forces the
2484 parent to be marked "delivered", so its unseen clone is never tried
2485 again. For this reason, Exim now forbids the simultaneous setting of
2486 these two options.
2487
2488PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2489 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2490 entry if you want to know the details. The fix, however, neglected to
2491 consider the case when local delivery batching is involved. The test for
2492 "previously delivered" was not happening when checking to see if an
2493 address could be batched with a previous (undelivered) one; under
2494 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2495 address.
1a46a8c5
PH
2496
2497PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2498 in its include files, and this causes problems building Exim.
2499
2500PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2501 header_syntax) but Exim was just ignoring anything given after a slash.
2502 In particular, this caused confusion with an attempt to use "verify =
2503 reverse_host_lookup/defer_ok". An error is now given when options are
2504 supplied for verify items that do not have them. (Maybe reverse_host_
2505 lookup should have a defer_ok option, but that's a different point.)
2506
2507PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2508 defined by RFC 821) to 2048, because there were problems with some AUTH
2509 commands, and RFC 1869 says the size should be increased for extended
2510 SMTP commands that take arguments.
2511
2512PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2513 Finch).
2514
2515PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2516 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2517
49c2d5ea
PH
2518PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2519 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2520 whatever). Otherwise the password may appear in the log. Following change
2521 PH/42 below, there is no longer a chance of it appearing in a bounce
2522 message.
49c2d5ea 2523
bf759a8b
PH
2524PH/11 Installed exipick version 20050225.0 from John Jetmore.
2525
83364d30
PH
2526PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2527 of its addresses was ever tried. (Bugzilla bug #2.)
2528
7999bbd7
PH
2529PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2530 the result incorrectly in the debug output. (It correctly added a newline
2531 to what was transported.)
2532
7dbf77c9
PH
2533TF/01 Added $received_time.
2534
74e0617f
PH
2535PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2536 commented out examples of how to interface to a virus scanner and to
2537 SpamAssassin. Also added commented examples of av_scanner and
2538 spamd_address settings.
2539
2f079f46
PH
2540PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2541 and controls are allowed in which ACLs. There were a couple of minor
2542 errors. Some of the entries in the conditions table (which is a table of
2543 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2544 negation of where the condition IS allowed.
2545
8c841523
PH
2546PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2547
7766a4f0
PH
2548PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2549 header file does not have a version number, so I've had to invent a new
2550 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2551 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2552 radiusclient), but it was contributed by a Radius user.
2553
8b417f2c
PH
2554PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2555 files or directories, for OpenSSL.
2556
901f42cb
PH
2557PH/19 When an Exim process that is running as root has to create an Exim log
2558 file, it does so in a subprocess that runs as exim:exim so as to get the
2559 ownership right at creation (otherwise, other Exim processes might see
2560 the file with the wrong ownership). There was no test for failure of this
2561 fork() call, which would lead to the process getting stuck as it waited
2562 for a non-existent subprocess. Forks do occasionally fail when resources
2563 run out. I reviewed all the other calls to fork(); they all seem to check
2564 for failure.
2565
f9b9210e
PH
2566PH/20 When checking for unexpected SMTP input at connect time (before writing
2567 the banner), Exim was not dealing correctly with a non-positive return
2568 from the read() function. If the client had disconnected by this time,
2569 the result was a log entry for a synchronization error with an empty
2570 string after "input=" when read() returned zero. If read() returned -1
2571 (an event I could not check), uninitialized data bytes were printed.
2572 There were reports of junk text (parts of files, etc) appearing after
2573 "input=".
2574
54cdb463
PH
2575PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2576
cf00dad6
PH
2577PH/22 Added support for macro redefinition, and (re)definition in between
2578 driver and ACL definitions.
2579
acb1b346
PH
2580PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2581 forgetting to use the resulting value; it was using the unexpanded value.
2582
c5ddb310
PH
2583PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2584 hadn't been configured. The fix is from Juergen Kreileder, who
2585 understands it better than I do:
2586
2587 "Here's what I see happening with three configured cyrus_sasl
2588 authenticators configured (plain, login, cram-md5):
2589
2590 On startup auth_cyrus_sasl_init() gets called for each of these.
2591 This means three calls to sasl_listmech() without a specified mech_list.
2592 => SASL tests which mechs of all available mechs actually work
2593 => three warnings about OTP not working
2594 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2595
2596 With the patch, sasl_listmech() also gets called three times. But now
2597 SASL's mech_list option is set to the server_mech specified in the the
2598 authenticator. Or in other words, the answer from sasl_listmech()
2599 gets limited to just the mech you're testing for (which is different
2600 for each call.)
2601 => the return list contains just 'plain' or 'login', 'cram-md5' or
2602 nothing depending on the value of ob->server_mech.
2603
2604 I've just tested the patch: Authentication still works fine,
2605 unavailable mechs specified in the exim configuration are still
2606 caught, and the auth.log warnings about OTP are gone."
2607
31619da6
PH
2608PH/25 When debugging is enabled, the contents of the command line are added
2609 to the debugging output, even when log_selector=+arguments is not
2610 specified.
2611
bebaf0fc
PH
2612PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2613 answer is "GNU", and only if the return is "GNU/something" is the answer
2614 "Linux".
2615
475fe28a
PH
2616PH/27 $acl_verify_message is now set immediately after the failure of a
2617 verification in an ACL, and so is available in subsequent modifiers. In
2618 particular, the message can be preserved by coding like this:
2619
2620 warn !verify = sender
2621 set acl_m0 = $acl_verify_message
2622
2623 Previously, $acl_verify_message was set only while expanding "message"
2624 and "log_message" when a very denied access.
2625
7e8bec7a
PH
2626PH/28 Modified OS/os.c-Linux with
2627
2628 -#ifndef OS_LOAD_AVERAGE
2629 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2630
2631 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2632 nomenclature these days.)
2633
e4a89c47
PH
2634PH/29 Installed patch from the Sieve maintainer that adds the options
2635 sieve_useraddress and sieve_subaddress to the redirect router.
2636
5ca2a9a1
PH
2637PH/30 In these circumstances:
2638 . Two addresses routed to the same list of hosts;
2639 . First host does not offer TLS;
2640 . First host accepts first address;
2641 . First host gives temporary error to second address;
2642 . Second host offers TLS and a TLS session is established;
2643 . Second host accepts second address.
2644 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2645 and peerdn, if requested) that were in fact used only for the second
2646 address.
7e8bec7a 2647
c688b954
PH
2648PH/31 When doing a callout as part of verifying an address, Exim was not paying
2649 attention to any local part prefix or suffix that was matched by the
2650 router that accepted the address. It now behaves in the same way as it
2651 does for delivery: the affixes are removed from the local part unless
2652 rcpt_include_affixes is set on the transport.
2653
fed77020
PH
2654PH/32 Add the sender address, as F=<...>, to the log line when logging a
2655 timeout during the DATA phase of an incoming message.
2656
7fe1560f
PH
2657PH/33 Sieve envelope tests were broken for match types other than :is. I have
2658 applied a patch sanctioned by the Sieve maintainer.
c688b954 2659
ebb6e6d5
PH
2660PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2661 the uid or gid is negative. A case of a negative gid caused this to be
2662 noticed. The fix allows for either to be negative.
2663
9c4e8f60
PH
2664PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2665 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2666 overlooked.
2667
2668PH/36 The change PH/12 above was broken. Fixed it.
2669
d7174846
PH
2670PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2671 the grounds that routing the same address twice would always produce the
2672 same answer. This might have been true once, but it is certainly no
2673 longer true now. Routing a child address may depend on the previous
2674 routing that produced that child. Some complicated redirection strategies
2675 went wrong when messages had multiple recipients, and made Exim's
2676 behaviour dependent on the order in which the addresses were given.
2677
2678 I have moved the duplicate checking until after the routing is complete.
2679 Exim scans the addresses that are assigned to local and remote
2680 transports, and removes any duplicates. This means that more work will be
2681 done, as duplicates will always all be routed, but duplicates are
2682 presumably rare, so I don't expect this is of any significance.
2683
2684 For deliveries to pipes, files, and autoreplies, the duplicate checking
2685 still happens during the routing process, since they are not going to be
2686 routed further.
2687
cfe75fc3
PH
2688PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2689 It corrects a timeout issue with spamd. This is Ian's comment: "The
2690 background is that sometimes spamd either never reads data from a
2691 connection it has accepted, or it never writes response data. The exiscan
2692 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2693 blindly assumes that writes won't block so it may never time out."
2694
be22d70e
PH
2695PH/39 Allow G after quota size as well as K and M.
2696
0612b098
PH
2697PH/40 The value set for $authenticated_id in an authenticator may not contain
2698 binary zeroes or newlines because the value is written to log lines and
2699 to spool files. There was no check on this. Now the value is run through
2700 the string_printing() function so that such characters are converted to
2701 printable escape sequences.
2702
2e0c1448
PH
2703PH/41 $message_linecount is a new variable that contains the total number of
2704 lines in the message. Compare $body_linecount, which is the count for the
2705 body only.
2706
447d236c
PH
2707PH/42 Exim no longer gives details of delivery errors for specific addresses in
2708 bounce and delay warning messages, except in certain special cases, which
2709 are as follows:
2710
2711 (a) An SMTP error message from a remote host;
2712 (b) A message specified in a :fail: redirection;
2713 (c) A message specified in a "fail" command in a system filter;
2714 (d) A message specified in a FAIL return from the queryprogram router;
2715 (e) A message specified by the cannot_route_message router option.
2716
2717 In these cases only, Exim does include the error details in bounce and
2718 warning messages. There are also a few cases where bland messages such
2719 as "unrouteable address" or "local delivery error" are given.
2720
d20976dc
PH
2721PH/43 $value is now also set for the "else" part of a ${run expansion.
2722
f656d135
PH
2723PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2724 being worked on, but at least Exim now implements the latest version to
2725 play with."
2726
2e2a30b4
PH
2727PH/45 In a pipe transport, although a timeout while waiting for the pipe
2728 process to complete was treated as a delivery failure, a timeout while
2729 writing the message to the pipe was logged, but erroneously treated as a
2730 successful delivery. Such timeouts include transport filter timeouts. For
2731 consistency with the overall process timeout, these timeouts are now
2732 treated as errors, giving rise to delivery failures by default. However,
2733 there is now a new Boolean option for the pipe transport called
2734 timeout_defer, which, if set TRUE, converts the failures into defers for
2735 both kinds of timeout. A transport filter timeout is now identified in
2736 the log output.
2737
9176e9f0
PH
2738PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2739 systems where "make" and "gmake" are different, calling "gmake" at top
2740 level broke things. I've arranged for the value of $(MAKE) to be passed
2741 from the Makefile to this script so that it can call the same version of
2742 "make".
2743
7982096b 2744
bbe902f0
PH
2745A note about Exim versions 4.44 and 4.50
2746----------------------------------------
2747
2748Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2749changes of various kinds. As a consequence, a big documentation update was
2750needed. This delayed the release for rather longer than seemed good, especially
2751in the light of a couple of (minor) security issues. Therefore, the changes
2752that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2753release. So 4.44 and 4.50 are in effect two different branches that both start
2754from 4.43.
2755
2756I have left the 4.50 change log unchanged; it contains all the changes since
27574.43. The change log for 4.44 is below; many of its items are identical to
2758those for 4.50. This seems to be the most sensible way to preserve the
2759historical information.
2760
2761
f7b63901 2762Exim version 4.50
495ae4b0
PH
2763-----------------
2764
5fe762f6
PH
2765 1. Minor wording change to the doc/README.SIEVE file.
2766
139059f6 2767 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2768 computation of the current number of files was incorrect.
495ae4b0 2769
7086e875
PH
2770 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2771 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2772 place.
2773
35af9f61
PH
2774 4. Give more explanation in the error message when the command for a transport
2775 filter fails to execute.
2776
b668c215
PH
2777 5. There are several places where Exim runs a non-Exim command in a
2778 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2779 was being done only for the command run by the queryprogram router. It is
2780 now done for all such subprocesses. The other cases are: ${run, transport
2781 filters, and the commands run by the lmtp and pipe transports.
2782
a494b1e1
PH
2783 6. Added CONFIGURE_GROUP build-time option.
2784
2785 7. Some older OS have a limit of 256 on the maximum number of file
2786 descriptors. Exim was using setrlimit() to set 1000 as a large value
2787 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2788 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2789
c5fcb476
PH
2790 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2791 was an oversight, and furthermore, ever since the addition of extra
2792 controls (e.g. 4.43/32), the checks on when to allow different forms of
2793 "control" were broken. There should now be diagnostics for all cases when a
2794 control that does not make sense is encountered.
2795
69358f02
PH
2796 9. Added the /retain_sender option to "control=submission".
2797
5be20824
PH
279810. $recipients is now available in the predata ACL (oversight).
2799
eb2c0248
PH
280011. Tidy the search cache before the fork to do a delivery from a message
2801 received from the command line. Otherwise the child will trigger a lookup
2802 failure and thereby defer the delivery if it tries to use (for example) a
2803 cached ldap connection that the parent has called unbind on.
2804
2a3eea10
PH
280512. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2806 of $address_data from the recipient verification was clobbered by the
2807 sender verification.
2808
280913. The value of address_data from a sender verification is now available in
2810 $sender_address_data in subsequent conditions in the ACL statement.
2811
23c7ff99
PH
281214. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2813
4deaf07d
PH
281415. Added a new option "connect=<time>" to callout options, to set a different
2815 connection timeout.
2816
926e1192
PH
281716. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2818 was its contents. (It was OK if the option was not defined at all.)
2819
650edc6f
PH
282017. A "Completed" log line is now written for messages that are removed from
2821 the spool by the -Mrm option.
2822
2c7db3f5
PH
282318. New variables $sender_verify_failure and $recipient_verify_failure contain
2824 information about exactly what failed.
2825
3d235903
PH
282619. Added -dd to debug only the daemon process.
2827
7c7ad977
PH
282820. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2829 handles timeouts, both on the server side and network timeouts. Renamed the
2830 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2831
981756db
PH
283221. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2833 It is now set to "smtps".
2834
d4eb88df
PH
283522. $host_address is now set to the target address during the checking of
2836 ignore_target_hosts.
2837
283823. When checking ignore_target_hosts for an ipliteral router, no host name was
2839 being passed; this would have caused $sender_host_name to have been used if
2840 matching the list had actually called for a host name (not very likely,
2841 since this list is usually IP addresses). A host name is now passed as
2842 "[x.x.x.x]".
2843
7d468ab8
PH
284424. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2845 code that specifies a non-restarting handler (typically sigaction() in
2846 modern systems) in an attempt to fix a rare and obscure crash bug.
2847
284825. Narrowed the window for a race in the daemon that could cause it to ignore
2849 SIGCHLD signals. This is not a major problem, because they are used only to
2850 wake it up if nothing else does.
2851
62c0818f
PH
285226. A malformed maildirsize file could cause Exim to calculate negative values
2853 for the mailbox size or file count. Odd effects could occur as a result.
2854 The maildirsize information is now recalculated if the size or filecount
2855 end up negative.
2856
26034054
PH
285727. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2858 support for a long time. Removed HAVE_SYS_VFS_H.
2859
af66f652
PH
286028. Installed the latest version of exipick from John Jetmore.
2861
90af77f4
PH
286229. In an address list, if the pattern was not a regular expression, an empty
2863 subject address (from a bounce message) matched only if the pattern was an
2864 empty string. Non-empty patterns were not even tested. This was the wrong
2865 because it is perfectly reasonable to use an empty address as part of a
2866 database query. An empty address is now tested by patterns that are
2867 lookups. However, all the other forms of pattern expect the subject to
2868 contain a local part and a domain, and therefore, for them, an empty
2869 address still always fails if the pattern is not itself empty.
2870
d8ef3577
PH
287130. Exim went into a mad DNS loop when attempting to do a callout where the
2872 host was specified on an smtp transport, and looking it up yielded more
2873 than one IP address.
2874
5cb8cbc6
PH
287531. Re-factored the code for checking spool and log partition space into a
2876 function that finds that data and another that does the check. The former
2877 is then used to implement four new variables: $spool_space, $log_space,
2878 $spool_inodes, and $log_inodes.
2879
14702f5b
PH
288032. The RFC2047 encoding function was originally intended for short strings
2881 such as real names; it was not keeping to the 75-character limit for
2882 encoded words that the RFC imposes. It now respects the limit, and
2883 generates multiple encoded words if necessary. To be on the safe side, I
2884 have increased the buffer size for the ${rfc2047: expansion operator from
2885 1024 to 2048 bytes.
2886
063b1e99
PH
288733. It is now permitted to omit both strings after an "if" condition; if the
2888 condition is true, the result is "true". As before, when the second string
2889 is omitted, a false condition yields an empty string. This makes it less
2890 cumbersome to write custom ACL and router conditions.
2891
652e1b65
PH
289234. Failure to deliver a bounce message always caused it to be frozen, even if
2893 there was an errors_to setting on the router. The errors_to setting is now
2894 respected.
2895
6f0c9a4f
PH
289635. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2897 canonical form (fully expanded) before being placed in
2898 $sender_host_address.
2899
33397d19
PH
290036. The table in the code that translates DNS record types into text (T_A to
2901 "A" for instance) was missing entries for NS and CNAME. It is just possible
2902 that this could have caused confusion if both these types were looked up
2903 for the same domain, because the text type is used as part of Exim's
2904 per-process caching. But the chance of anyone hitting this buglet seems
2905 very small.
2906
7bb56e1f
PH
290737. The dnsdb lookup has been extended in a number of ways.
2908
2909 (1) There is a new type, "zns", which walks up the domain tree until it
2910 finds some nameserver records. It should be used with care.
2911
ea3bc19b
PH
2912 (2) There is a new type, "mxh", which is like "mx" except that it returns
2913 just the host names, not the priorities.
2914
2915 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2916 looked up. The behaviour when one of the lookups defers can be
2917 controlled by a keyword.
7bb56e1f 2918
ea3bc19b 2919 (4) It is now possible to specify the separator character for use when
7bb56e1f 2920 multiple records are returned.
33397d19 2921
0bcb2a0e
PH
292238. The dnslists ACL condition has been extended: it is now possible to supply
2923 a list of IP addresses and/or domains to be looked up in a particular DNS
2924 domain.
2925
2ac0e484
PH
292639. Added log_selector=+queue_time_overall.
2927
4e1fde53
PH
292840. When running the queue in the test harness, wait just a tad after forking a
2929 delivery process, to get repeatability of debugging output.
2930
de365ded
PH
293141. Include certificate and key file names in error message when GnuTLS fails
2932 to set them up, because the GnuTLS error message doesn't include the name
2933 of the failing file when there is a problem reading it.
2934
f05da2e8
PH
293542. Allow both -bf and -bF in the same test run.
2936
d6453af2
PH
293743. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2938
f7b63901
PH
293944. The "Exiscan patch" is now merged into the mainline Exim source.
2940
294145. Sometimes the final signoff response after QUIT could fail to get
2942 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2943 < 0 before doing a fflush(). This bug looks as though it goes back to the
2944 introduction of TLS in release 3.20, but "sometimes" must have been rare
2945 because the tests only now provoked it.
2946
a444213a
PH
294746. Reset the locale to "C" after calling embedded Perl, in case it was changed
2948 (this can affect the format of dates).
2949
0ec020ea
PH
295047. exim_tidydb, when checking for the continued existence of a message for
2951 which it has found a message-specific retry record, was not finding
2952 messages that were in split spool directories. Consequently, it was
2953 deleting retry records that should have stayed in existence.
2954
b1206957
PH
295548. Steve fixed some bugs in eximstats.
2956
295749. The SPA authentication driver was not abandoning authentication and moving
2958 on to the next authenticator when an expansion was forced to fail,
2959 contradicting the general specification for all authenticators. Instead it
2960 was generating a temporary error. It now behaves as specified.
2961
26dd5a95
PH
296250. The default ordering of permitted cipher suites for GnuTLS was pessimal
2963 (the order specifies the preference for clients). The order is now AES256,
2964 AES128, 3DES, ARCFOUR128.
2965
343b2385
PH
296651. Small patch to Sieve code - explicitly set From: when generating an
2967 autoreply.
2968
1c5466b9
PH
296952. Exim crashed if a remote delivery caused a very long error message to be
2970 recorded - for instance if somebody sent an entire SpamAssassin report back
2971 as a large number of 550 error lines. This bug was coincidentally fixed by
2972 increasing the size of one of Exim's internal buffers (big_buffer) that
2973 happened as part of the Exiscan merge. However, to be on the safe side, I
2974 have made the code more robust (and fixed the comments that describe what
2975 is going on).
2976
55ee9ee3
PH
297753. Now that there can be additional text after "Completed" in log lines (if
2978 the queue_time_overall log selector is set), a one-byte patch to exigrep
2979 was needed to allow it to recognize "Completed" as not the last thing in
2980 the line.
2981
d38f8232
PH
298254. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2983 patch that reportedly fixes this has been added. I am not expert enough to
2984 create a test for it. This is what the patch creator wrote:
2985
2986 "I found a little strange behaviour of ldap code when working with
2987 Windows 2003 AD Domain, where users was placed in more than one
2988 Organization Units. When I tried to give exim partial DN, the exit code
2989 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2990 But simultaneously result of request was absolutely normal ldap result,
2991 so I produce this patch..."
2992
3295e65b
PH
2993 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2994 REFERENCE, so I have modified the code to exclude the patch when that macro
2995 is not defined.
2996
7102e136
PH
299755. Some experimental protocols are using DNS PTR records for new purposes. The
2998 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2999 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3000 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 3001 CAN-2005-0021
7102e136 3002
3ca0ba97
PH
300356. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
3004
c2bcbe20
PH
300557. Double the size of the debug message buffer (to 2048) so that more of very
3006 long debug lines gets shown.
3007
18ce445d
PH
300858. The exicyclog utility now does better if the number of log files to keep
3009 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
3010
1f5b4c3d
PH
301159. Two changes related to the smtp_active_hostname option:
3012
3013 (1) $smtp_active_hostname is now available as a variable.
3014 (2) The default for smtp_banner uses $smtp_active_hostname instead
3015 of $primary_hostname.
3016
b975ba52
PH
301760. The host_aton() function is supposed to be passed a string that is known
3018 to be a valid IP address. However, in the case of IPv6 addresses, it was
3019 not checking this. This is a hostage to fortune. Exim now panics and dies
3020 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
3021 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3022 components; fortuitously, this particular loophole had already been fixed
3023 by change 4.50/55 above.
3024
3025 If there are any other similar loopholes, the new check in host_aton()
3026 itself should stop them being exploited. The report I received stated that
3027 data on the command line could provoke the exploit when Exim was running as
3028 exim, but did not say which command line option was involved. All I could
3029 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3030 running as the user.
ea3a6f44 3031 CAN-2005-0021
85b87bc2
PH
3032
303361. There was a buffer overflow vulnerability in the SPA authentication code
3034 (which came originally from the Samba project). I have added a test to the
3035 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 3036 CAN-2005-0022
b975ba52 3037
17ffcae7
PH
303862. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
3039 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
3040
d95f9fdb
PH
304163. The daemon start-up calls getloadavg() while still root for those OS that
3042 need the first call to be done as root, but it missed one case: when
3043 deliver_queue_load_max is set with deliver_drop_privilege. This is
3044 necessary for the benefit of the queue runner, because there is no re-exec
3045 when deliver_drop_privilege is set.
3046
86b8287f
PH
304764. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
3048 This has been fixed.
3049
60dc5e56
PH
305065. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3051 was in use, was not putting the data itself into the right store pool;
3052 consequently, it could be overwritten for a subsequent message in the same
3053 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3054 the caching.)
3055
533244af
PH
305666. Added hosts_max_try_hardlimit to the smtp transport, default 50.
3057
a5a28604
PH
305867. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
3059 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
3060 the function were treating the return as a boolean value, which happened to
3061 work because 0=false and not-0=true, but is not correct code.
3062
7e634d24
PH
306368. The host_aton() function was not handling scoped IPv6 addresses (those
3064 with, for example, "%eth0" on the end) correctly.
3065
3e11c26b
PH
306669. Fixed some compiler warnings in acl.c for the bitmaps specified with
3067 negated items (that is, ~something) in unsigned ints. Some compilers
3068 apparently mutter when there is no cast.
3069
6729cf78
PH
307070. If an address verification called from an ACL failed, and did not produce a
3071 user-specific message (i.e. there was only a "system" message), nothing was
3072 put in $acl_verify_message. In this situation, it now puts the system
3073 message there.
3074
00f00ca5
PH
307571. Change 4.23/11 added synchronization checking at the start of an SMTP
3076 session; change 4.31/43 added the unwanted input to the log line - except
3077 that it did not do this in the start of session case. It now does.
3078
c9bdd01c
PH
307972. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
3080 This is wrong and can cause the other end to generate a synchronization
3081 error if it is another Exim or anything else that does the synchronization
3082 check. A QUIT command is no longer sent after a timeout.
3083
d43194df
PH
308473. $host_lookup_deferred has been added, to make it easier to detect DEFERs
3085 during host lookups.
3086
fe5b5d0b
PH
308774. The defer_ok option of callout verification was not working if it was used
3088 when verifying addresses in header lines, that is, for this case:
3089
3090 verify = header_sender/callout=defer_ok
3091
76a2d7ba
PH
309275. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
3093 those file descriptors could be used for SMTP connections. If anything
3094 wrote to stderr (the example that came up was "warn" in embedded Perl), it
3095 could be sent to the SMTP client, causing chaos. The daemon now opens
3096 stdin, stdout, and stderr to /dev/null when it puts itself into the
3097 background.
3098
309976. Arrange for output from Perl's "warn" command to be written to Exim's main
3100 log by default. The user can override this with suitable Perl magic.
3101
04f7d5b9
PH
310277. The use of log_message on a "discard" ACL verb, which is supposed to add to
3103 the log message when discard triggers, was not working for the DATA ACL or
3104 for the non-SMTP ACL.
3105
bc60667e
PH
310678. Error message wording change in sieve.c.
3107
bb6e88ff
PH
310879. If smtp_accept_max_per_host was set, the number of connections could be
3109 restricted to fewer than expected, because the daemon was trying to set up
3110 a new connection before checking whether the processes handling previous
3111 connections had finished. The check for completed processes is now done
3112 earlier. On busy systems, this bug wouldn't be noticed because something
3113 else would have woken the daemon, and it would have reaped the completed
3114 process earlier.
3115
1e70f85b
PH
311680. If a message was submitted locally by a user whose login name contained one
3117 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
3118 It caused a spool format error. I have fixed the spool reading code. A
3119 related problem was that the "from" clause in the Received: line became
3120 illegal because of the space(s). It is now covered by ${quote_local_part.
3121
312281. Included the latest eximstats from Steve (adds average sizes to HTML Top
3123 tables).
3124
4e01f9d6
PH
312582. Updated OS/Makefile-AIX as per message from Mike Meredith.
3126
1ee1cef2
PH
312783. Patch from Sieve maintainer to fix unterminated string problem in
3128 "vacation" handling.
3129
6e2b4ccc
PH
313084. Some minor changes to the Linux configuration files to help with other
3131 OS variants using glibc.
3132
8e669ac1
PH
313385. One more patch for Sieve to update vacation handling to latest spec.
3134
495ae4b0 3135
bbe902f0
PH
3136----------------------------------------------------
3137See the note above about the 4.44 and 4.50 releases.
3138----------------------------------------------------
3139
3140
3141Exim version 4.44
3142-----------------
3143
3144 1. Change 4.43/35 introduced a bug that caused file counts to be
3145 incorrectly computed when quota_filecount was set in an appendfile
3146 transport
3147
3148 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
3149 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
3150 place.
3151
3152 3. Give more explanation in the error message when the command for a transport
3153 filter fails to execute.
3154
3155 4. There are several places where Exim runs a non-Exim command in a
3156 subprocess. The SIGUSR1 signal should be disabled for these processes. This
3157 was being done only for the command run by the queryprogram router. It is
3158 now done for all such subprocesses. The other cases are: ${run, transport
3159 filters, and the commands run by the lmtp and pipe transports.
3160
3161 5. Some older OS have a limit of 256 on the maximum number of file
3162 descriptors. Exim was using setrlimit() to set 1000 as a large value
3163 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
3164 systems. I've change it so that if it can't get 1000, it tries for 256.
3165
3166 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
3167 was an oversight, and furthermore, ever since the addition of extra
3168 controls (e.g. 4.43/32), the checks on when to allow different forms of
3169 "control" were broken. There should now be diagnostics for all cases when a
3170 control that does not make sense is encountered.
3171
3172 7. $recipients is now available in the predata ACL (oversight).
3173
3174 8. Tidy the search cache before the fork to do a delivery from a message
3175 received from the command line. Otherwise the child will trigger a lookup
3176 failure and thereby defer the delivery if it tries to use (for example) a
3177 cached ldap connection that the parent has called unbind on.
3178
3179 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
3180 of $address_data from the recipient verification was clobbered by the
3181 sender verification.
3182
318310. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
3184 was its contents. (It was OK if the option was not defined at all.)
3185
318611. A "Completed" log line is now written for messages that are removed from
3187 the spool by the -Mrm option.
3188
318912. $host_address is now set to the target address during the checking of
3190 ignore_target_hosts.
3191
319213. When checking ignore_target_hosts for an ipliteral router, no host name was
3193 being passed; this would have caused $sender_host_name to have been used if
3194 matching the list had actually called for a host name (not very likely,
3195 since this list is usually IP addresses). A host name is now passed as
3196 "[x.x.x.x]".
3197
319814. Changed the calls that set up the SIGCHLD handler in the daemon to use the
3199 code that specifies a non-restarting handler (typically sigaction() in
3200 modern systems) in an attempt to fix a rare and obscure crash bug.
3201
320215. Narrowed the window for a race in the daemon that could cause it to ignore
3203 SIGCHLD signals. This is not a major problem, because they are used only to
3204 wake it up if nothing else does.
3205
320616. A malformed maildirsize file could cause Exim to calculate negative values
3207 for the mailbox size or file count. Odd effects could occur as a result.
3208 The maildirsize information is now recalculated if the size or filecount
3209 end up negative.
3210
321117. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
3212 support for a long time. Removed HAVE_SYS_VFS_H.
3213
ea3a6f44 321418. Updated exipick to current release from John Jetmore.
bbe902f0
PH
3215
321619. Allow an empty sender to be matched against a lookup in an address list.
3217 Previously the only cases considered were a regular expression, or an
3218 empty pattern.
3219
322020. Exim went into a mad DNS lookup loop when doing a callout where the
3221 host was specified on the transport, if the DNS lookup yielded more than
3222 one IP address.
3223
ea3a6f44
NM
322421. The RFC2047 encoding function was originally intended for short strings
3225 such as real names; it was not keeping to the 75-character limit for
3226 encoded words that the RFC imposes. It now respects the limit, and
3227 generates multiple encoded words if necessary. To be on the safe side, I
3228 have increased the buffer size for the ${rfc2047: expansion operator from
3229 1024 to 2048 bytes.
bbe902f0 3230
ea3a6f44
NM
323122. Failure to deliver a bounce message always caused it to be frozen, even if
3232 there was an errors_to setting on the router. The errors_to setting is now
3233 respected.
bbe902f0
PH
3234
323523. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3236 canonical form (fully expanded) before being placed in
3237 $sender_host_address.
3238
323924. Updated eximstats to version 1.33
3240
ea3a6f44
NM
324125. Include certificate and key file names in error message when GnuTLS fails
3242 to set them up, because the GnuTLS error message doesn't include the name
3243 of the failing file when there is a problem reading it.
bbe902f0
PH
3244
324526. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3246 As per change 25.
bbe902f0 3247
ea3a6f44
NM
324827. Reset the locale to "C" after calling embedded Perl, in case it was changed
3249 (this can affect the format of dates).
bbe902f0 3250
ea3a6f44
NM
325128. exim_tidydb, when checking for the continued existence of a message for
3252 which it has found a message-specific retry record, was not finding
3253 messages that were in split spool directories. Consequently, it was
3254 deleting retry records that should have stayed in existence.
bbe902f0
PH
3255
325629. eximstats updated to version 1.35
3257 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3258 1.35 - bugfix such that pie charts by volume are generated correctly
3259
ea3a6f44
NM
326030. The SPA authentication driver was not abandoning authentication and moving
3261 on to the next authenticator when an expansion was forced to fail,
3262 contradicting the general specification for all authenticators. Instead it
3263 was generating a temporary error. It now behaves as specified.
bbe902f0 3264
ea3a6f44
NM
326531. The default ordering of permitted cipher suites for GnuTLS was pessimal
3266 (the order specifies the preference for clients). The order is now AES256,
3267 AES128, 3DES, ARCFOUR128.
bbe902f0 3268
ea3a6f44
NM
326931. Small patch to Sieve code - explicitly set From: when generating an
3270 autoreply.
bbe902f0 3271
ea3a6f44
NM
327232. Exim crashed if a remote delivery caused a very long error message to be
3273 recorded - for instance if somebody sent an entire SpamAssassin report back
3274 as a large number of 550 error lines. This bug was coincidentally fixed by
3275 increasing the size of one of Exim's internal buffers (big_buffer) that
3276 happened as part of the Exiscan merge. However, to be on the safe side, I
3277 have made the code more robust (and fixed the comments that describe what
3278 is going on).
bbe902f0 3279
ea3a6f44
NM
328033. Some experimental protocols are using DNS PTR records for new purposes. The
3281 keys for these records are domain names, not reversed IP addresses. The
3282 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3283 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3284 CAN-2005-0021
3285
ea3a6f44
NM
328634. The host_aton() function is supposed to be passed a string that is known
3287 to be a valid IP address. However, in the case of IPv6 addresses, it was
3288 not checking this. This is a hostage to fortune. Exim now panics and dies
3289 if the condition is not met. A case was found where this could be provoked
3290 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3291 components; fortuitously, this particular loophole had already been fixed
3292 by change 4.50/55 or 4.44/33 above.
3293
3294 If there are any other similar loopholes, the new check in host_aton()
3295 itself should stop them being exploited. The report I received stated that
3296 data on the command line could provoke the exploit when Exim was running as
3297 exim, but did not say which command line option was involved. All I could
3298 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3299 running as the user.
bbe902f0
PH
3300 CAN-2005-0021
3301
ea3a6f44
NM
330235. There was a buffer overflow vulnerability in the SPA authentication code
3303 (which came originally from the Samba project). I have added a test to the
3304 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3305 CAN-2005-0022
3306
ea3a6f44
NM
330736. The daemon start-up calls getloadavg() while still root for those OS that
3308 need the first call to be done as root, but it missed one case: when
3309 deliver_queue_load_max is set with deliver_drop_privilege. This is
3310 necessary for the benefit of the queue runner, because there is no re-exec
3311 when deliver_drop_privilege is set.
bbe902f0 3312
ea3a6f44
NM
331337. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3314 was in use, was not putting the data itself into the right store pool;
3315 consequently, it could be overwritten for a subsequent message in the same
3316 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3317 the caching.)
bbe902f0 3318
ea3a6f44
NM
331938. Sometimes the final signoff response after QUIT could fail to get
3320 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3321 < 0 before doing a fflush(). This bug looks as though it goes back to the
3322 introduction of TLS in release 3.20, but "sometimes" must have been rare
3323 because the tests only now provoked it.
bbe902f0
PH
3324
3325
495ae4b0
PH
3326Exim version 4.43
3327-----------------
3328
3329 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3330 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3331 Now it returns an integer. A number of calls were still expecting a T/F
3332 return. Fortuitously, in all cases, the tests worked in OK situations,
3333 which is the norm. However, things would have gone wrong on any write
3334 failures on the smtp file descriptor. This function is used when sending
3335 messages over SMTP and also when doing verify callouts.
3336
3337 2. When Exim is called to do synchronous delivery of a locally submitted
3338 message (the -odf or -odi options), it no longer closes stderr before doing
3339 the delivery.
3340
3341 3. Implemented the mua_wrapper option.
3342
3343 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3344
3345 5. Implemented the functions header_remove(), header_testname(),
3346 header_add_at_position(), and receive_remove_recipient(), and exported them
3347 to local_scan().
3348
3349 6. If an ACL "warn" statement specified the addition of headers, Exim already
3350 inserted X-ACL-Warn: at the start if there was no header name. However, it
3351 was not making this test for the second and subsequent header lines if
3352 there were newlines in the string. This meant that an invalid header could
3353 be inserted if Exim was badly configured.
3354
3355 7. Allow an ACL "warn" statement to add header lines at the start or after all
3356 the Received: headers, as well as at the end.
3357
3358 8. Added the rcpt_4xx retry error code.
3359
3360 9. Added postmaster_mailfrom=xxx to callout verification option.
3361
336210. Added mailfrom=xxxx to the callout verification option, for verify=
3363 header_sender only.
3364
336511. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3366 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3367
336812. Inserted some casts to stop certain compilers warning when using pointer
3369 differences as field lengths or precisions in printf-type calls (mostly
3370 affecting debugging statements).
3371
337213. Added optional readline() support for -be (dynamically loaded).
3373
337414. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3375 same clock tick as a message's arrival, so that its received time was the
3376 same as the "first fail" time on the retry record, and that message
3377 remained on the queue past the ultimate address timeout, every queue runner
3378 would try a delivery (because it was past the ultimate address timeout) but
3379 after another failure, the ultimate address timeout, which should have then
3380 bounced the address, did not kick in. This was a "< instead of <=" error;
3381 in most cases the first failure would have been in the next clock tick
3382 after the received time, and all would be well.
3383
338415. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3385 being recognized when the domain list was tested by the match_domain
3386 condition in an expansion string.
3387
338816. Added the ${str2b64: operator.
3389
339017. Exim was always calling setrlimit() to set a large limit for the number of
3391 processes, without checking whether the existing limit was already
3392 adequate. (It did check for the limit on file descriptors.) Furthermore,
3393 errors from getrlimit() and setrlimit() were being ignored. Now they are
3394 logged to the main and panic logs, but Exim does carry on, to try to do its
3395 job under whatever limits there are.
3396
339718. Imported PCRE 5.0.
3398
339919. Trivial typo in log message " temporarily refused connection" (the leading
3400 space).
3401
340220. If the log selector return_path_on_delivery was set and an address was
3403 redirected to /dev/null, the delivery process crashed because it assumed
3404 that a return path would always be set for a "successful" delivery. In this
3405 case, the whole delivery is bypassed as an optimization, and therefore no
3406 return path is set.
3407
340821. Internal re-arrangement: the function for sending a challenge and reading
3409 a response while authentication was assuming a zero-terminated challenge
3410 string. It's now changed to take a pointer and a length, to allow for
3411 binary data in such strings.
3412
341322. Added the cyrus_sasl authenticator (code supplied by MBM).
3414
341523. Exim was not respecting finduser_retries when seeking the login of the
3416 uid under which it was called; it was always trying 10 times. (The default
3417 setting of finduser_retries is zero.) Also, it was sleeping after the final
3418 failure, which is pointless.
3419