Handle ${run} returning more data than OS pipe buffer size.
[exim.git] / doc / doc-txt / ChangeLog
CommitLineData
495ae4b0
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1Change log file for Exim from version 4.21
2-------------------------------------------
3
867fcbf5
PP
4Exim version 4.77
5-----------------
6
7PP/01 Solaris build fix for Oracle's LDAP libraries.
8 Bugzilla 1109, patch from Stephen Usher.
9
f1a29782
TF
10TF/01 HP/UX build fix: avoid arithmetic on a void pointer.
11
ab42bd23
TK
12TK/01 DKIM Verification: Fix relaxed canon for empty headers w/o
13 whitespace trailer
867fcbf5 14
0ca0cf52
TF
15TF/02 Fix a couple more cases where we did not log the error message
16 when unlink() failed. See also change 4.74-TF/03.
17
921b12ca
TF
18TF/03 Make the exiwhat support code safe for signals. Previously Exim might
19 lock up or crash if it happened to be inside a call to libc when it
20 got a SIGUSR1 from exiwhat.
21
22 The SIGUSR1 handler appends the current process status to the process
23 log which is later printed by exiwhat. It used to use the general
24 purpose logging code to do this, but several functions it calls are
25 not safe for signals.
26
27 The new output code in the SIGUSR1 handler is specific to the process
28 log, and simple enough that it's easy to inspect for signal safety.
29 Removing some special cases also simplifies the general logging code.
30 Removing the spurious timestamps from the process log simplifies
31 exiwhat.
32
c99ce5c9
TF
33TF/04 Improved ratelimit ACL condition.
34
35 The /noupdate option has been deprecated in favour of /readonly which
36 has clearer semantics. The /leaky, /strict, and /readonly update modes
37 are mutually exclusive. The update mode is no longer included in the
38 database key; it just determines when the database is updated. (This
39 means that when you upgrde Exim will forget old rate measurements.)
40
41 Exim now checks that the per_* options are used with an update mode that
42 makes sense for the current ACL. For example, when Exim is processing a
43 message (e.g. acl_smtp_rcpt or acl_smtp_data, etc.) you can specify
44 per_mail/leaky or per_mail/strict; otherwise (e.g. in acl_smtp_helo) you
45 must specify per_mail/readonly. If you omit the update mode it defaults to
46 /leaky where that makes sense (as before) or /readonly where required.
47
48 The /noupdate option is now undocumented but still supported for
49 backwards compatibility. It is equivalent to /readonly except that in
50 ACLs where /readonly is required you may specify /leaky/noupdate or
51 /strict/noupdate which are treated the same as /readonly.
52
53 A useful new feature is the /count= option. This is a generalization
54 of the per_byte option, so that you can measure the throughput of other
55 aggregate values. For example, the per_byte option is now equivalent
56 to per_mail/count=${if >{0}{$message_size} {0} {$message_size} }.
57
58 The per_rcpt option has been generalized using the /count= mechanism
59 (though it's more complicated than the per_byte equivalence). When it is
60 used in acl_smtp_rcpt, the per_rcpt option adds recipients to the
61 measured rate one at a time; if it is used later (e.g. in acl_smtp_data)
62 or in a non-SMTP ACL it adds all the recipients in one go. (The latter
63 /count=$recipients_count behaviour used to work only in non-SMTP ACLs.)
64 Note that using per_rcpt with a non-readonly update mode in more than
65 one ACL will cause the recipients to be double-counted. (The per_mail
66 and per_byte options don't have this problem.)
67
68 The handling of very low rates has changed slightly. If the computed rate
69 is less than the event's count (usually one) then this event is the first
70 after a long gap. In this case the rate is set to the same as this event's
71 count, so that the first message of a spam run is counted properly.
72
73 The major new feature is a mechanism for counting the rate of unique
74 events. The new per_addr option counts the number of different
75 recipients that someone has sent messages to in the last time period. It
76 behaves like per_rcpt if all the recipient addresses are different, but
77 duplicate recipient addresses do not increase the measured rate. Like
78 the /count= option this is a general mechanism, so the per_addr option
79 is equivalent to per_rcpt/unique=$local_part@$domain. You can, for
80 example, measure the rate that a client uses different sender addresses
81 with the options per_mail/unique=$sender_address. There are further
82 details in the main documentation.
83
3634fc25
TF
84TF/05 Removed obsolete $Cambridge$ CVS revision strings.
85
792e8a19
TF
86TF/06 Removed a few PCRE remnants.
87
5901f0ab
TF
88TF/07 Automatically extract Exim's version number from tags in the git
89 repository when doing development or release builds.
90
7f2a2a43
PP
91PP/02 Raise smtp_cmd_buffer_size to 16kB.
92 Bugzilla 879. Patch from Paul Fisher.
e2ca7082 93
061b7ebd
PP
94PP/03 Implement SSL-on-connect outbound with protocol=smtps on smtp transport.
95 Heavily based on revision 40f9a89a from Simon Arlott's tree.
96 Bugzilla 97.
97
e12f8c32
PP
98PP/04 Use .dylib instead of .so for dynamic library loading on MacOS.
99
9e949f00 100PP/05 Variable $av_failed, true if the AV scanner deferred.
7f2a2a43
PP
101 Bugzilla 1078. Patch from John Horne.
102
103PP/06 Stop make process more reliably on build failure.
104 Bugzilla 1087. Patch from Heiko Schlittermann.
9e949f00 105
555ae6af 106PP/07 Make maildir_use_size_file an _expandable_ boolean.
ac53fcda
PP
107 Bugzilla 1089. Patch from Heiko Schlittermann.
108
109PP/08 Handle ${run} returning more data than OS pipe buffer size.
110 Bugzilla 1131. Patch from Holger WeiƟ.
555ae6af 111
0ca0cf52 112
10906672
PP
113Exim version 4.76
114-----------------
115
116PP/01 The new ldap_require_cert option would segfault if used. Fixed.
117
754a0503
PP
118PP/02 Harmonised TLS library version reporting; only show if debugging.
119 Layout now matches that introduced for other libraries in 4.74 PP/03.
120
c0c7b2da
PP
121PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
122
e97d1f08
PP
123PP/04 New "dns_use_edns0" global option.
124
084c1d8c
PP
125PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
126 Bugzilla 1098.
127
4e7ee012
PP
128PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
129 nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
da80c2a8 130
c8d52a00
PP
131TK/01 Updated PolarSSL code to 0.14.2.
132 Bugzilla 1097. Patch from Andreas Metzler.
133
54e7ce4a
PP
134PP/07 Catch divide-by-zero in ${eval:...}.
135 Fixes bugzilla 1102.
136
5ee6f336
PP
137PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
138 Bugzilla 1104.
139
c8d52a00 140TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
6ea4a851
PP
141 format-string attack -- SECURITY: remote arbitrary code execution.
142
143TK/03 SECURITY - DKIM signature header parsing was double-expanded, second
144 time unintentionally subject to list matching rules, letting the header
145 cause arbitrary Exim lookups (of items which can occur in lists, *not*
146 arbitrary string expansion). This allowed for information disclosure.
147
148PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to
149 INT_MIN/-1 -- value coerced to INT_MAX.
c8d52a00 150
10906672 151
aa097c4c
NM
152Exim version 4.75
153-----------------
154
4c9ef03a 155NM/01 Workround for PCRE version dependency in version reporting
aa097c4c
NM
156 Bugzilla 1073
157
7f3d9eff
TF
158TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
159 This fixes portability to compilers other than gcc, notably
160 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
161
159f52d2
TF
162TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
163 makefiles for portability to HP-UX and POSIX correctness.
164
0cc9542a
PP
165PP/01 Permit LOOKUP_foo enabling on the make command-line.
166 Also via indented variable definition in the Makefile.
167 (Debugging by Oliver Heesakkers).
168
f7274286
PP
169PP/02 Restore caching of spamd results with expanded spamd_address.
170 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
171
7b797365
PP
172PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
173 Improves build reliability. Fix from: Frank Elsner
174
caacae52
NM
175NM/02 Fix wide character breakage in the rfc2047 coding
176 Fixes bug 1064. Patch from Andrey N. Oktyabrski
177
09dcaba9
NM
178NM/03 Allow underscore in dnslist lookups
179 Fixes bug 1026. Patch from Graeme Fowler
180
bc19a55b
PP
181PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
182 Code patches from Adam Ciarcinski of NetBSD.
caacae52 183
bd4c9759
NM
184NM/04 Fixed exiqgrep to cope with mailq missing size issue
185 Fixes bug 943.
186
b72aab72
PP
187PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
188 is logged, to avoid truncation. Patch from John Horne.
189
2fe76745
PP
190PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
191 Patch from Jakob Hirsch.
192
76aa570c
PP
193PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
194 SQL string expansion failure details.
195 Patch from Andrey Oktyabrski.
196
f1e5fef5
PP
197PP/08 Bugzilla 486: implement %M datestamping in log filenames.
198 Patch from Simon Arlott.
199
4d805ee9
PP
200PP/09 New lookups functionality failed to compile on old gcc which rejects
201 extern declarations in function scope.
202 Patch from Oliver Fleischmann
203
cd59ab18
PP
204PP/10 Use sig_atomic_t for flags set from signal handlers.
205 Check getgroups() return and improve debugging.
206 Fixed developed for diagnosis in bug 927 (which turned out to be
207 a kernel bug).
208
332f5cf3
PP
209PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
210 Patch from Mark Zealey.
211
29cfeb94
PP
212PP/12 Bugzilla 1056: Improved spamd server selection.
213 Patch from Mark Zealey.
214
660242ad
PP
215PP/13 Bugzilla 1086: Deal with maildir quota file races.
216 Based on patch from Heiko Schlittermann.
217
bc4bc4c5
PP
218PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
219 Patch from Uwe Doering, sign-off by Michael Haardt.
220
2e64baa9
NM
221NM/05 Fix to spam.c to accommodate older gcc versions which dislike
222 variable declaration deep within a block. Bug and patch from
223 Dennis Davis.
224
bddd7526
PP
225PP/15 lookups-Makefile IRIX compatibilty coercion.
226
6bac1a9a
PP
227PP/16 Make DISABLE_DKIM build knob functional.
228
552193f0
NM
229NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
230 Patch by Simon Arlott
baeee2c1 231
1b587e48
TF
232TF/03 Fix valgrind.h portability to C89 compilers that do not support
233 variable argument macros. Our copy now differs from upstream.
234
aa097c4c 235
8c07b69f
TF
236Exim version 4.74
237-----------------
238
239TF/01 Failure to get a lock on a hints database can have serious
240 consequences so log it to the panic log.
241
c0ea85ab
TF
242TF/02 Log LMTP confirmation messages in the same way as SMTP,
243 controlled using the smtp_confirmation log selector.
244
0761d44e
TF
245TF/03 Include the error message when we fail to unlink a spool file.
246
0a349494
PP
247DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
248 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
249 for maintaining out-of-tree patches for some time.
250
251PP/01 Bugzilla 139: Documentation and portability issues.
252 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
253 Handle per-OS dynamic-module compilation flags.
254
fea24b2e
PP
255PP/02 Let /dev/null have normal permissions.
256 The 4.73 fixes were a little too stringent and complained about the
257 permissions on /dev/null. Exempt it from some checks.
258 Reported by Andreas M. Kirchwitz.
259
6545de78
PP
260PP/03 Report version information for many libraries, including
261 Exim version information for dynamically loaded libraries. Created
262 version.h, now support a version extension string for distributors
263 who patch heavily. Dynamic module ABI change.
264
1670ef10
PP
265PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
266 privilege escalation vulnerability whereby the Exim run-time user
267 can cause root to append content of the attacker's choosing to
268 arbitrary files.
269
c0886197
PP
270PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
271 (Wolfgang Breyha)
272
b7487bce
PP
273PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
274 If dropping privileges for untrusted macros, we disabled normal logging
275 on the basis that it would fail; for the Exim run-time user, this is not
276 the case, and it resulted in successful deliveries going unlogged.
277 Fixed. Reported by Andreas Metzler.
278
8c07b69f 279
97fd1e48 280Exim version 4.73
ed7f7860 281-----------------
97fd1e48
PP
282
283PP/01 Date: & Message-Id: revert to normally being appended to a message,
284 only prepend for the Resent-* case. Fixes regression introduced in
285 Exim 4.70 by NM/22 for Bugzilla 607.
286
6901c596
PP
287PP/02 Include check_rfc2047_length in configure.default because we're seeing
288 increasing numbers of administrators be bitten by this.
289
a8c8d6b5
JJ
290JJ/01 Added DISABLE_DKIM and comment to src/EDITME
291
77bb000f
PP
292PP/03 Bugzilla 994: added openssl_options main configuration option.
293
a29e5231
PP
294PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
295
ec5a0394 296PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 297
55c75993
PP
298PP/06 Adjust NTLM authentication to handle SASL Initial Response.
299
453a6645 300PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
301 without a peer certificate, leading to a segfault because of an
302 assumption that peers always have certificates. Be a little more
453a6645
PP
303 paranoid. Problem reported by Martin Tscholak.
304
8544e77a
PP
305PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
306 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
307 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
308 CL also introduces -bmalware, various -d+acl logging additions and
309 more caution in buffer sizes.
8544e77a 310
83e029d5
PP
311PP/09 Implemented reverse_ip expansion operator.
312
ed7f7860
PP
313PP/10 Bugzilla 937: provide a "debug" ACL control.
314
7d9f747b
PP
315PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
316
4b2241d2
PP
317PP/12 Bugzilla 973: Implement --version.
318
10385c15
PP
319PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
320
dbc4b90d
PP
321PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
322
532be449
PP
323PP/15 Bugzilla 816: support multiple condition rules on Routers.
324
6a8de854 325PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
326 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
327 ignore trailing whitespace.
6a8de854 328
5dc43717
JJ
329JJ/02 prevent non-panic DKIM error from being sent to paniclog
330
331JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
332 "exim" to be used
55c75993 333
3346ab01
PP
334PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
335 Notification from Dr Andrew Aitchison.
336
491fab4c
PP
337PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
338 ExtendedDetectionInfo response format.
339 Notification from John Horne.
340
13eb9497
PP
341PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
342 compatible.
343
344PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
345 XSL and documented dependency on system catalogs, with examples of how
346 it normally works.
347
7f36d675
DW
348DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
349 access.
350
c1d94452
DW
351DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
352 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
353 configuration file which is writeable by the Exim user or group.
354
e2f5dc15
DW
355DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
356 of configuration files to cover files specified with the -C option if
357 they are going to be used with root privileges, not just the default
358 configuration file.
359
cd25e41d
DW
360DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
361 option (effectively making it always true).
362
261dc43e
DW
363DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
364 files to be used while preserving root privileges.
365
fa32850b
DW
366DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
367 that rogue child processes cannot use them.
368
79d4bc3d
PP
369PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
370 run-time user, instead of root.
371
43236f35 372PP/28 Add WHITELIST_D_MACROS option to let some macros be overridden by the
2cfd3221
PP
373 Exim run-time user without dropping privileges.
374
fb08281f
DW
375DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
376 result string, instead of calling string_vformat() twice with the same
377 arguments.
3346ab01 378
74935b98
DW
379DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
380 for other users. Others should always drop root privileges if they use
381 -C on the command line, even for a whitelisted configure file.
382
90b6341f
DW
383DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
384
57730b52
ML
385NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
386
66581d1e 387
465e92cf
JJ
388Exim version 4.72
389-----------------
390
453a6645
PP
391JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
392 $data_path, and $header_path variables; fixed documentation bugs and
393 typos
465e92cf 394
453a6645
PP
395JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
396 exipick to access non-standard spools, including the "frozen" queue
397 (Finput)
edae0343 398
9bd3e22c
NM
399NM/01 Bugzilla 965: Support mysql stored procedures.
400 Patch from Alain Williams
401
bb576ff7
NM
402NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
403
5a1a5845
NM
404NM/03 Bugzilla 955: Documentation fix for max_rcpts.
405 Patch from Andreas Metzler
406
981a9fad
NM
407NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
408 Patch from Kirill Miazine
409
7fc497ee
NM
410NM/05 Bugzilla 671: Added umask to procmail example.
411
1a41defa
JJ
412JJ/03 installed exipick 20100323.0, fixing doc bug
413
a466095c 414NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 415 directory. Notification and patch from Dan Rosenberg.
a466095c 416
94a6bd0b
NM
417TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
418
419TK/02 Improve log output when DKIM signing operation fails.
420
421MH/01 Treat the transport option dkim_domain as a colon separated
422 list, not as a single string, and sign the message with each element,
423 omitting multiple occurences of the same signer.
424
c1b141a8
NM
425NM/07 Null terminate DKIM strings, Null initialise DKIM variable
426 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 427
b26eacf1 428NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
429 Patch by Simon Arlott
430
179c5980 431PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 432 MBX locking. Notification from Dan Rosenberg.
179c5980 433
9bd3e22c 434
7c6d71af
NM
435Exim version 4.71
436-----------------
437
7d9f747b 438TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 439
f013fb92
NM
440NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
441
0eb8eedd
NM
442NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
443
663ee6d9
NM
444NM/03 Bugzilla 847: Enable DNSDB lookup by default.
445
177ebd9b
NM
446NM/04 Bugzilla 915: Flag broken perl installation during build.
447
7c6d71af 448
210f147e
NM
449Exim version 4.70
450-----------------
451
cdd3bb85 452TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 453 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
454
455TK/02 Write list of recipients to X-Envelope-Sender header when building
456 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 457 Hirsch).
cdd3bb85
TK
458
459TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
460 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 461 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
462
463TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
464 by Mark Daniel Reidel <mr@df.eu>.
465
210f147e
NM
466NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
467 When building exim an external PCRE library is now needed -
468 PCRE is a system library on the majority of modern systems.
469 See entry on PCRE_LIBS in EDITME file.
470
deafd5b3
NM
471NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
472 conversation. Added nologin parameter to request.
7d9f747b 473 Patch contributed by Kirill Miazine.
deafd5b3 474
089793a4
TF
475TF/01 Do not log submission mode rewrites if they do not change the address.
476
5f16ca82
TF
477TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
478
dae9d94e 479NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 480 log files in place. Contributed by Roberto Lima.
dae9d94e 481
7d9f747b 482NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 483
06864c44
TF
484TF/03 Bugzilla 615: When checking the local_parts router precondition
485 after a local_part_suffix or local_part_prefix option, Exim now
486 does not use the address's named list lookup cache, since this
487 contains cached lookups for the whole local part.
488
65a7d8c3 489NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 490 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 491
23510047 492TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 493
7d9f747b 494NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 495
7d8eec3a 496NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 497 Patch provided by Jan Srzednicki.
6c588e74 498
89dec7b6
TF
499TF/05 Leading white space used to be stripped from $spam_report which
500 wrecked the formatting. Now it is preserved.
5f28a6e8 501
a99de90c
TF
502TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
503 that they are available at delivery time.
504
e2803e40
TF
505TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
506
7199e1ee
TF
507TF/08 TLS error reporting now respects the incoming_interface and
508 incoming_port log selectors.
509
e276e04b
TF
510TF/09 Produce a more useful error message if an SMTP transport's hosts
511 setting expands to an empty string.
512
ce552449 513NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 514 Patch provided by Phil Pennock.
ce552449 515
e765a0f1 516NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 517 Patch provided by Richard Godbee.
e765a0f1 518
4f054c63 519NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 520 acl_smtp_notquit, added index entry.
4f054c63 521
7d9f747b
PP
522NM/09 Bugzilla 787: Potential buffer overflow in string_format.
523 Patch provided by Eugene Bujak.
24c929a2 524
7d9f747b
PP
525NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
526 accept(). Patch provided by Maxim Dounin.
cf73943b 527
b52bc06e 528NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 529 Patch provided by Phil Pennock.
b52bc06e 530
447de4b0
NM
531NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
532
4c69d561 533NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 534 Patch provided by Brad "anomie" Jorsch.
4c69d561 535
d5c39246 536NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 537 Patch provided by Dean Brooks.
9b989985 538
0b23848a
TK
539TK/05 Add native DKIM support (does not depend on external libraries).
540
8f3414a1 541NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 542 Patch provided by Graeme Fowler.
e2aacdfd 543
fb6f955d
NM
544NM/16 Bugzilla 851: Documentation example syntax fix.
545
546NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 547
7d9f747b
PP
548NM/18 Bugzilla 894: Fix issue with very long lines including comments in
549 lsearch.
dbb0bf41 550
7d9f747b
PP
551NM/19 Bugzilla 745: TLS version reporting.
552 Patch provided by Phil Pennock.
f3766eb5 553
7d9f747b
PP
554NM/20 Bugzilla 167: bool: condition support.
555 Patch provided by Phil Pennock.
36f12725 556
7d9f747b
PP
557NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
558 clients. Patch provided by Phil Pennock.
e6060e2c 559
7d9f747b
PP
560NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
561 Patch provided by Brad "anomie" Jorsch.
5eb690a1 562
7d9f747b
PP
563NM/23 Bugzilla 687: Fix misparses in eximstats.
564 Patch provided by Heiko Schlittermann.
d5c13d66 565
7d9f747b
PP
566NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
567 Patch provided by Heiko Schlittermann.
b2335c0b 568
7d9f747b 569NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 570 plus update to original patch.
f4cd9433 571
7d9f747b 572NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 573
7d9f747b
PP
574NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
575 Patch provided by David Brownlee.
8dc71ab3 576
7d9f747b 577NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 578
7d9f747b 579NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 580
7d9f747b 581NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 582
7d9f747b 583NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 584
17792b53 585NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 586 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 587
7d9f747b
PP
588NM/33 Bugzilla 898: Transport filter timeout fix.
589 Patch by Todd Rinaldo.
52383f8f 590
7d9f747b
PP
591NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
592 Patch by Serge Demonchaux.
5ca6d115 593
7d9f747b
PP
594NM/35 Bugzilla 39: Base64 decode bug fixes.
595 Patch by Jakob Hirsch.
baee9eee 596
7d9f747b 597NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 598
7d9f747b 599NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 600
7d9f747b 601NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 602
7d9f747b 603NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 604
deafd5b3 605
47db1125
NM
606Exim version 4.69
607-----------------
608
4b3504d0
TK
609TK/01 Add preliminary DKIM support. Currently requires a forked version of
610 ALT-N's libdkim that I have put here:
611 http://duncanthrax.net/exim-experimental/
612
613 Note to Michael Haardt: I had to rename some vars in sieve.c. They
614 were called 'true' and it seems that C99 defines that as a reserved
615 keyword to be used with 'bool' variable types. That means you could
616 not include C99-style headers which use bools without triggering
617 build errors in sieve.c.
618
81ea09ca
NM
619NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
620 as mailq or other aliases. Changed the --help handling significantly
621 to do whats expected. exim_usage() emits usage/help information.
622
f13cddcb
SC
623SC/01 Added the -bylocaldomain option to eximstats.
624
7d9f747b 625NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 626
7d9f747b 627NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 628
7d9f747b 629NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
630
631
eb4c0de6
PH
632Exim version 4.68
633-----------------
634
635PH/01 Another patch from the Sieve maintainer.
636
6a3bceb1
PH
637PH/02 When an IPv6 address is converted to a string for single-key lookup
638 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
639 dots are used instead of colons so that keys in lsearch files need not
640 contain colons. This was done some time before quoting was made available
641 in lsearch files. However, iplsearch files do require colons in IPv6 keys
642 (notated using the quote facility) so as to distinguish them from IPv4
643 keys. This meant that lookups for IP addresses in host lists did not work
644 for iplsearch lookups.
645
646 This has been fixed by arranging for IPv6 addresses to be expressed with
647 colons if the lookup type is iplsearch. This is not incompatible, because
648 previously such lookups could never work.
649
650 The situation is now rather anomolous, since one *can* have colons in
651 ordinary lsearch keys. However, making the change in all cases is
652 incompatible and would probably break a number of configurations.
653
2e30fa9d
TK
654TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
655 version.
656
0806a9c5
MH
657MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
658 conversion specification without a maximum field width, thereby enabling
659 a rogue spamd server to cause a buffer overflow. While nobody in their
660 right mind would setup Exim to query an untrusted spamd server, an
661 attacker that gains access to a server running spamd could potentially
662 exploit this vulnerability to run arbitrary code as the Exim user.
663
ae276964
TK
664TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
665 $primary_hostname instead of what libspf2 thinks the hosts name is.
666
0f2cbd1b
MH
667MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
668 a directory entry by the name of the lookup key. Previously, if a
669 symlink pointed to a non-existing file or a file in a directory that
670 Exim lacked permissions to read, a lookup for a key matching that
671 symlink would fail. Now it is enough that a matching directory entry
672 exists, symlink or not. (Bugzilla 503.)
673
2b85bce7
PH
674PH/03 The body_linecount and body_zerocount variables are now exported in the
675 local_scan API.
676
93655c46
PH
677PH/04 Added the $dnslist_matched variable.
678
6c512171
PH
679PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
680 This means they are set thereafter only if the connection becomes
681 encrypted.
682
683PH/06 Added the client_condition to authenticators so that some can be skipped
684 by clients under certain conditions.
685
aa6dc513
PH
686PH/07 The error message for a badly-placed control=no_multiline_responses left
687 "_responses" off the end of the name.
688
a96603a0
PH
689PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
690
8f240103
PH
691PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
692 (without spaces) instead of just copying the configuration text.
693
694PH/10 Added the /noupdate option to the ratelimit ACL condition.
695
d677b2f2
PH
696PH/11 Added $max_received_linelength.
697
d52120f2
PH
698PH/12 Added +ignore_defer and +include_defer to host lists.
699
64f2600a
PH
700PH/13 Installed PCRE version 7.2. This needed some changes because of the new
701 way in which PCRE > 7.0 is built.
702
8669f003
PH
703PH/14 Implemented queue_only_load_latch.
704
a4dc33a8
PH
705PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
706 MAIL command. The effect was to mangle the value on 64-bit systems.
707
d6a60c0f
PH
708PH/16 Another patch from the Sieve maintainer.
709
8f128379
PH
710PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
711
8932dffe
PH
712PH/18 If a system quota error occurred while trying to create the file for
713 a maildir delivery, the message "Mailbox is full" was not appended to the
714 bounce if the delivery eventually timed out. Change 4.67/27 below applied
715 only to a quota excession during the actual writing of the file.
d6a60c0f 716
ddea74fa 717PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
718 characters?) which causes problems in log lines. The DN values are now
719 passed through string_printing() before being added to log lines.
720
ddea74fa 721PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
722 and InterBase are left for another time.)
723
ddea74fa
PH
724PH/21 Added message_body_newlines option.
725
ce9f225c
PH
726PH/22 Guard against possible overflow in moan_check_errorcopy().
727
19897d52
PH
728PH/23 POSIX allows open() to be a macro; guard against that.
729
bc64a74d
PH
730PH/24 If the recipient of an error message contained an @ in the local part
731 (suitably quoted, of course), incorrect values were put in $domain and
732 $local_part during the evaluation of errors_copy.
733
eb4c0de6 734
b4ed4da0
PH
735Exim version 4.67
736-----------------
737
22ad45c9
MH
738MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
739 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
740 Jan Srzednicki.
741
b4ed4da0
PH
742PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
743 issue a MAIL command.
744
431b7361
PH
745PH/02 In an ACL statement such as
746
747 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
748
749 if a client was not listed at all, or was listed with a value other than
750 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
751 the condition was not true (as it should be), so access was not denied.
752 The bug was that the ! inversion was incorrectly passed on to the second
753 item. This has been fixed.
754
755PH/03 Added additional dnslists conditions == and =& which are different from
756 = and & when the dns lookup returns more than one IP address.
757
83da1223
PH
758PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
759 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
760
54fc8428
PH
761PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
762 FSYNC, which compiles an option called disable_fsync that allows for
763 bypassing fsync(). The documentation is heavily laced with warnings.
764
34c5e8dd
SC
765SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
766
bbe15da8
PH
767PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
768 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
769 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
770 including adding "make clean"; (3) Added -fPIC when compiling the test
771 dynamically loaded module, to get rid of a warning.
772
0e8a9471
MH
773MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
774 message fails, move_frozen_messages = true and ignore_bounce_errors_after
775 = 0s. The bug is otherwise harmless.
776
f0872424
PH
777PH/07 There was a bug in the dovecot authenticator such that the value of
778 $auth1 could be overwritten, and so not correctly preserved, after a
779 successful authentication. This usually meant that the value preserved by
780 the server_setid option was incorrect.
781
b01dd148
PH
782PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
783
6bf342e1
PH
784PH/09 Installed PCRE release 7.0.
785
273f34d0
PH
786PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
787 run for batched SMTP input. It is now run at the start of every message
788 in the batch. While fixing this I discovered that the process information
789 (output by running exiwhat) was not always getting set for -bs and -bS
790 input. This is fixed, and it now also says "batched" for BSMTP.
791
cf8b11a5
PH
792PH/11 Added control=no_pipelining.
793
41c7c167
PH
794PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
795 patch, slightly modified), and move the expansion of helo_data till after
796 the connection is made in the smtp transport (so it can use these
797 values).
798
9c57cbc0
PH
799PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
800
f3f065bb
PH
801PH/14 Added log_selector = +pid.
802
047bdd8c
PH
803PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
804
0ce9abe6
PH
805PH/16 Add ${if forany and ${if forall.
806
0e22dfd1
PH
807PH/17 Added dsn_from option to vary the From: line in DSNs.
808
4c590bd1
PH
809PH/18 Flush SMTP output before performing a callout, unless control =
810 no_callout_flush is set.
811
09945f1e
PH
812PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
813 was true (the default) a successful delivery failed to delete the retry
814 item, thus causing premature timeout of the address. The bug is now
815 fixed.
816
c51b8e75
PH
817PH/20 Added hosts_avoid_pipelining to the smtp transport.
818
e28326d8
PH
819PH/21 Long custom messages for fakedefer and fakereject are now split up
820 into multiline reponses in the same way that messages for "deny" and
821 other ACL rejections are.
822
75b1493f
PH
823PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
824 with slight modification.
825
7c5214ec
PH
826PH/23 Applied sieve patches from the maintainer "tracking the latest notify
827 draft, changing the syntax and factoring some duplicate code".
828
4311097e
PH
829PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
830 for deliveries of the second and subsequent messages over the same SMTP
831 connection.
832
29f89cad
PH
833PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
834 ${reduce, with only minor "tidies".
835
5e687460
SC
836SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
837
c3611384
PH
838PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
839 expansion side effects.
840
5a11a7b4
PH
841PH/27 When a message times out after an over-quota error from an Exim-imposed
842 quota, the bounce message says "mailbox is full". This message was not
843 being given when it was a system quota that was exceeded. It now should
844 be the same.
845
0e20aff9
MH
846MH/03 Made $recipients available in local_scan(). local_scan() already has
847 better access to the recipient list through recipients_list[], but
848 $recipients can be useful in postmaster-provided expansion strings.
849
ca86f471
PH
850PH/28 The $smtp_command and $smtp_command_argument variables were not correct
851 in the case of a MAIL command with additional options following the
852 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
853 were accidentally chopped off.
854
a14e5636
PH
855PH/29 SMTP synchronization checks are implemented when a command is read -
856 there is a check that no more input is waiting when there shouldn't be
857 any. However, for some commands, a delay in an ACL can mean that it is
858 some time before the response is written. In this time, more input might
859 arrive, invalidly. So now there are extra checks after an ACL has run for
860 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
861 pipelining has not been advertised.
862
ec95d1a6
PH
863PH/30 MH's patch to allow iscntrl() characters to be list separators.
864
42855d71
PH
865PH/31 Unlike :fail:, a custom message specified with :defer: was not being
866 returned in the SMTP response when smtp_return_error_details was false.
867 This has been fixed.
868
57c2c631
PH
869PH/32 Change the Dovecot authenticator to use read() and write() on the socket
870 instead of the C I/O that was originally supplied, because problems were
871 reported on Solaris.
872
58c01c94
PH
873PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
874 Exim which did not show up earlier: it was assuming that a call to
875 SSL_CTX_set_info_callback() might give an error value. In fact, there is
876 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
877 was a macro that became an assignment, so it seemed to work. This has
878 changed to a proper function call with a void return, hence the compile
879 error. Exim's code has been fixed.
880
dee5a20a
PH
881PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
882 cpus.
883
d2ee6114
PH
884PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
885
b2d5182b
PH
886PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
887
79749a79
PH
888PH/37 If a message is not accepted after it has had an id assigned (e.g.
889 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
890 "Completed" line in the log. When some messages of this type were
891 selected by exigrep, they were listed as "not completed". Others were
892 picked up by some special patterns. I have improved the selection
893 criteria to be more general.
79749a79 894
c456d9bb
PH
895PH/38 The host_find_failed option in the manualroute router can now be set
896 to "ignore", to completely ignore a host whose IP address cannot be
897 found. If all hosts are ignored, the behaviour is controlled by the new
898 host_all_ignored option.
899
cd9868ec
PH
900PH/39 In a list of hosts for manualroute, if one item (either because of multi-
901 homing or because of multiple MX records with /mx) generated more than
902 one IP address, and the following item turned out to be the local host,
903 all the secondary addresses of the first item were incorrectly removed
904 from the list, along with the local host and any following hosts (which
905 is what is supposed to happen).
906
ebeaf996
PH
907PH/40 When Exim receives a message, it writes the login name, uid, and gid of
908 whoever called Exim into the -H file. In the case of the daemon it was
909 behaving confusingly. When first started, it used values for whoever
910 started the daemon, but after a SIGHUP it used the Exim user (because it
911 calls itself on a restart). I have changed the code so that it now always
912 uses the Exim user.
913
2679d413
PH
914PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
915 message are rejected with the same error (e.g. no authentication or bad
916 sender address), and a DATA command is nevertheless sent (as can happen
917 with PIPELINING or a stupid MUA), the error message that was given to the
918 RCPT commands is included in the rejection of the DATA command. This is
919 intended to be helpful for MUAs that show only the final error to their
920 users.
921
84024b72
PH
922PH/42 Another patch from the Sieve maintainer.
923
8005d38e
SC
924SC/02 Eximstats - Differentiate between permanent and temporary rejects.
925 Eximstats - Fixed some broken HTML links and added missing column headers
926 (Jez Hancock).
927 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
928 columns for Rejects, Temp Rejects, Ham, and Spam rows.
929
3298c6c6
SC
930SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
931
a43a27c5
PH
932PH/43 Yet another patch from the Sieve maintainer.
933
58eb016e 934PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
935 the response to the final '.' that terminates a message, but only in the
936 case where the client has not sent further data following the '.'
937 (unfortunately, this is allowed). However, in many cases there won't be
938 any further data because there won't be any more messages to send. A call
939 to select() can be used: if it shows that the input is "ready", there is
940 either input waiting, or the socket has been closed. An attempt to read
941 the next input character can distinguish the two cases. Previously, Exim
58eb016e 942 would have sent an OK response which the client would never have see.
563b63fa
PH
943 This could lead to message repetition. This fix should cure that, at
944 least in a lot of common cases.
58eb016e 945
b43a74ea
PH
946PH/45 Do not advertise STARTTLS in response to HELP unless it would be
947 advertised in response to EHLO.
948
b4ed4da0 949
5dd1517f
PH
950Exim version 4.66
951-----------------
952
953PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
954 fixed by 4.65/MH/01 (is this a record?) are fixed:
955
956 (i) An empty string was always treated as zero by the numeric comparison
957 operators. This behaviour has been restored.
958
959 (ii) It is documented that the numeric comparison operators always treat
960 their arguments as decimal numbers. This was broken in that numbers
961 starting with 0 were being interpreted as octal.
962
963 While fixing these problems I realized that there was another issue that
964 hadn't been noticed. Values of message_size_limit (both the global option
965 and the transport option) were treated as octal if they started with 0.
966 The documentation was vague. These values are now always treated as
967 decimal, and I will make that clear in the documentation.
968
969
93cfa765
TK
970Exim version 4.65
971-----------------
972
973TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
974 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
975 versions. (#438)
976
d6066548
MH
977MH/01 Don't check that the operands of numeric comparison operators are
978 integers when their expansion is in "skipping" mode (fixes bug
979 introduced by 4.64-PH/07).
980
4362ff0d
PH
981PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
982 child addresses, Exim now panics and dies. Previously, because the count
983 is held in a short int, deliveries were likely to be lost. As such a
984 large number of recipients for a single message is ridiculous
985 (performance will be very, very poor), I have chosen to impose a limit
986 rather than extend the field.
987
93cfa765 988
944e9e9c
TF
989Exim version 4.64
990-----------------
aa41d2de 991
21d74bd9
TK
992TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
993 leftover -K file (the existence of which was triggered by #402).
994 While we were at it, introduced process PID as part of the -K
995 filename. This should rule out race conditions when creating
996 these files.
997
998TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
999 processing considerably. Previous code took too long for large mails,
1000 triggering a timeout which in turn triggers #401.
1001
1002TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
1003 in the DK code in transports.c. sendfile() is not really portable,
1004 hence the _LINUX specificness.
944e9e9c
TF
1005
1006TF/01 In the add_headers option to the mail command in an Exim filter,
1007 there was a bug that Exim would claim a syntax error in any
1008 header after the first one which had an odd number of characters
1009 in the field name.
1010
2b1c6e3a
PH
1011PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
1012 callout verification, Exim cached a "reject" for the entire domain. This
1013 is correct for most verifications, but it is not correct for a recipient
1014 verification with use_sender or use_postmaster set, because in that case
1015 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
1016 case of MAIL FROM:<> rejection from other early rejections (e.g.
1017 rejection of HELO). When verifying a recipient using a non-null MAIL
1018 address, the cache is ignored if it shows MAIL FROM:<> rejection.
1019 Whatever the result of the callout, the value of the domain cache is
1020 left unchanged (for any other kind of callout, getting as far as trying
1021 RCPT means that the domain itself is ok).
1022
1f872c80
PH
1023PH/02 Tidied a number of unused variable and signed/unsigned warnings that
1024 gcc 4.1.1 threw up.
1025
1026PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
1027 manifest itself as EPIPE rather than ECONNECT. When tidying away a
1028 session, the daemon ignores ECONNECT errors and logs others; it now
1029 ignores EPIPE as well.
1030
d203e649
PH
1031PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
1032 (quoted-printable decoding).
1033
cc2ed8f7 1034PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 1035 later the small subsequent patch to fix an introduced bug.
f951fd57 1036
ddfcd446
PH
1037PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
1038
d45b1de8
PH
1039PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
1040
1041PH/08 An error is now given if message_size_limit is specified negative.
1042
38a0a95f 1043PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 1044 to be given (somewhat) arbitrary names.
38a0a95f 1045
a2405d83
JJ
1046JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
1047 in 4.64-PH/09.
1048
1049JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
1050 miscellaneous code fixes
1051
6ea85e9a
PH
1052PH/10 Added the log_reject_target ACL modifier to specify where to log
1053 rejections.
1054
26da7e20
PH
1055PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
1056 hostname. This is wrong, because it relates to the incoming message (and
1057 probably the interface on which it is arriving) and not to the outgoing
1058 callout (which could be using a different interface). This has been
1059 changed to use the value of the helo_data option from the smtp transport
1060 instead - this is what is used when a message is actually being sent. If
1061 there is no remote transport (possible with a router that sets up host
1062 addresses), $smtp_active_hostname is used.
6ea85e9a 1063
14aa5a05 1064PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 1065 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
1066 (a) The code assumed that strncpy() returns a negative number on buffer
1067 overflow, which isn't the case. Replaced with Exim's string_format()
1068 function.
1069 (b) There were several signed/unsigned issues. I just did the minimum
1070 hacking in of casts. There is scope for a larger refactoring.
1071 (c) The code used strcasecmp() which is not a standard C function.
1072 Replaced with Exim's strcmpic() function.
1073 (d) The code set only $1; it now sets $auth1 as well.
1074 (e) A simple test gave the error "authentication client didn't specify
1075 service in request". It would seem that Dovecot has changed its
1076 interface. Fortunately there's a specification; I followed it and
1077 changed what the client sends and it appears to be working now.
1078
ff75a1f7
PH
1079PH/13 Added $message_headers_raw to provide the headers without RFC 2047
1080 decoding.
1081
e6f6568e
PH
1082PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
1083 address A is aliased to B and C, where B exists and C does not. Without
1084 -v the output is "A verified" because verification stops after a
1085 successful redirection if more than one address is generated. However,
1086 with -v the child addresses are also verified. Exim was outputting "A
1087 failed to verify" and then showing the successful verification for C,
1088 with its parentage. It now outputs "B failed to verify", showing B's
1089 parentage before showing the successful verification of C.
1090
d6f6e0dc
PH
1091PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
1092 look up a TXT record in a specific list after matching in a combined
1093 list.
1094
322050c2
PH
1095PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
1096 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
1097 they consult the DNS. I had assumed they would set it the way they
1098 wanted; and indeed my experiments on Linux seem to show that in some
1099 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
1100 To be on the safe side, however, I have now made the interface to
1101 host_find_byname() similar to host_find_bydns(), with an argument
1102 containing the DNS resolver options. The host_find_byname() function now
1103 sets these options at its start, just as host_find_bydns() does. The smtp
1104 transport options dns_qualify_single and dns_search_parents are passed to
1105 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
1106 of host_find_byname() use the default settings of RES_DEFNAMES
1107 (qualify_single) but not RES_DNSRCH (search_parents).
1108
08955dd3
PH
1109PH/17 Applied (a modified version of) Nico Erfurth's patch to make
1110 spool_read_header() do less string testing, by means of a preliminary
1111 switch on the second character of optional "-foo" lines. (This is
1112 overdue, caused by the large number of possibilities that now exist.
1113 Originally there were few.) While I was there, I also converted the
1114 str(n)cmp tests so they don't re-test the leading "-" and the first
1115 character, in the hope this might squeeze out yet more improvement.
1116
1eccaa59
PH
1117PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
1118 flag allowing group syntax was set by the header_syntax check but not
1119 turned off, possible causing trouble later; (2) The flag was not being
1120 set at all for the header_verify test, causing "group"-style headers to
1121 be rejected. I have now set it in this case, and also caused header_
1122 verify to ignore an empty address taken from a group. While doing this, I
1123 came across some other cases where the code for allowing group syntax
1124 while scanning a header line wasn't quite right (mostly, not resetting
1125 the flag correctly in the right place). These bugs could have caused
1126 trouble for malformed header lines. I hope it is now all correct.
1127
602e59e5
PH
1128PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
1129 with the "reply" argument non-NULL. The code, however (which originally
1130 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
1131 but it didn't always do it. This confused somebody who was copying the
1132 code for some other use. I have removed all the tests.
1133
411ef850
PH
1134PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
1135 feature that was used to support insecure browsers during the U.S. crypto
1136 embargo. It requires special client support, and Exim is probably the
1137 only MTA that supported it -- and would never use it because real RSA is
1138 always available. This code has been removed, because it had the bad
1139 effect of slowing Exim down by computing (never used) parameters for the
1140 RSA_EXPORT functionality.
1141
7befa435
PH
1142PH/21 On the advice of Timo Sirainen, added a check to the dovecot
1143 authenticator to fail if there's a tab character in the incoming data
1144 (there should never be unless someone is messing about, as it's supposed
1145 to be base64-encoded). Also added, on Timo's advice, the "secured" option
1146 if the connection is using TLS or if the remote IP is the same as the
1147 local IP, and the "valid-client-cert option" if a client certificate has
1148 been verified.
1149
48da4259 1150PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
1151 authenticators. This can be used for authorization after authentication
1152 succeeds. (In the case of plaintext, it servers for both authentication
1153 and authorization.)
1154
48da4259
PH
1155PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
1156 if any retry times were supplied.
1157
d1d5595c
PH
1158PH/24 Exim crashed if verify=helo was activated during an incoming -bs
1159 connection, where there is no client IP address to check. In this
1160 situation, the verify now always succeeds.
1161
0ef732d9
PH
1162PH/25 Applied John Jetmore's -Mset patch.
1163
328895cc
PH
1164PH/26 Added -bem to be like -Mset, but loading a message from a file.
1165
fd700877
PH
1166PH/27 In a string expansion for a processed (not raw) header when multiple
1167 headers of the same name were present, leading whitespace was being
1168 removed from all of them, but trailing whitespace was being removed only
1169 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
1170 before concatenation. Completely empty headers in a concatenation (as
1171 before) are ignored.
fd700877 1172
8dce1a6f
PH
1173PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
1174 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
1175
17af4a17
PH
1176PH/29 [Removed. This was a change that I later backed out, and forgot to
1177 correct the ChangeLog entry (that I had efficiently created) before
1178 committing the later change.]
f6c332bd
PH
1179
1180PH/30 Exim was sometimes attempting to deliver messages that had suffered
1181 address errors (4xx response to RCPT) over the same connection as other
1182 messages routed to the same hosts. Such deliveries are always "forced",
1183 so retry times are not inspected. This resulted in far too many retries
1184 for the affected addresses. The effect occurred only when there were more
1185 hosts than the hosts_max_try setting in the smtp transport when it had
1186 the 4xx errors. Those hosts that it had tried were not added to the list
1187 of hosts for which the message was waiting, so if all were tried, there
1188 was no problem. Two fixes have been applied:
1189
1190 (i) If there are any address or message errors in an SMTP delivery, none
1191 of the hosts (tried or untried) are now added to the list of hosts
1192 for which the message is waiting, so the message should not be a
1193 candidate for sending over the same connection that was used for a
1194 successful delivery of some other message. This seems entirely
1195 reasonable: after all the message is NOT "waiting for some host".
1196 This is so "obvious" that I'm not sure why it wasn't done
1197 previously. Hope I haven't missed anything, but it can't do any
1198 harm, as the worst effect is to miss an optimization.
1199
1200 (ii) If, despite (i), such a delivery is accidentally attempted, the
1201 routing retry time is respected, so at least it doesn't keep
1202 hammering the server.
1203
c1114884
PH
1204PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
1205 in ${readsocket because some servers need this prod.
1206
7a0743eb
PH
1207PH/32 Added some extra debug output when updating a wait-xxx database.
1208
0d85fa3f
PH
1209PH/33 The hint "could be header name not terminated by colon", which has been
1210 given for certain expansion errors for a long time, was not being given
1211 for the ${if def:h_colon_omitted{... case.
1212
1bf43b78
PH
1213PH/34 The spec says: "With one important exception, whenever a domain list is
1214 being scanned, $domain contains the subject domain." There was at least
1215 one case where this was not true.
1216
520de300
PH
1217PH/35 The error "getsockname() failed: connection reset by peer" was being
1218 written to the panic log as well as the main log, but it isn't really
1219 panic-worthy as it just means the connection died rather early on. I have
1220 removed the panic log writing for the ECONNRESET error when getsockname()
1221 fails.
1222
48c7f9e2
PH
1223PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
1224 runs only) independently of the message's sender address. This meant
1225 that, if the 4xx error was in fact related to the sender, a different
1226 message to the same recipient with a different sender could confuse
1227 things. In particualar, this can happen when sending to a greylisting
1228 server, but other circumstances could also provoke similar problems.
1229 I have changed the default so that the retry time for these errors is now
1230 based a combination of the sender and recipient addresses. This change
1231 can be overridden by setting address_retry_include_sender=false in the
1232 smtp transport.
1233
99ea1c86
PH
1234PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
1235 remote server are returned as part of bounce messages. This was not
1236 happening for LMTP over a pipe (the lmtp transport), but now it is the
1237 same for both kinds of LMTP.
1238
a2042e78
PH
1239PH/38 Despite being documented as not happening, Exim was rewriting addresses
1240 in header lines that were in fact CNAMEs. This is no longer the case.
1241
4fbcfc2e
PH
1242PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
1243 and queue runs started by the daemon processed all messages. This has
1244 been fixed so that -R and -S can now usefully be given with -q<time>.
1245
aa41d2de
PH
1246PH/40 Import PCRE release 6.7 (fixes some bugs).
1247
af561417
PH
1248PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
1249
3cc66b45
PH
1250PH/42 Give an error if -q is specified more than once.
1251
194cc0e4
PH
1252PH/43 Renamed the variables $interface_address and $interface_port as
1253 $received_ip_address and $received_port, to make it clear that these
1254 values apply to message reception, and not to the outgoing interface when
1255 a message is delivered. (The old names remain recognized, of course.)
1256
a401ddaa
PH
1257PH/44 There was no timeout on the connect() call when using a Unix domain
1258 socket in the ${readsocket expansion. There now is.
1259
4e88a19f
PH
1260PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
1261 be meaningful with "accept".
1262
d7d7b289
SC
1263SC/01 Eximstats V1.43
1264 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
1265
1266SC/02 Eximstats V1.44
1267 Use a glob alias rather than an array ref in the generated
1268 parser. This improves both readability and performance.
1269
1270SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
1271 Collect SpamAssassin and rejection statistics.
1272 Don't display local sender or destination tables unless
1273 there is data to show.
1274 Added average volumes into the top table text output.
1275
1276SC/04 Eximstats V1.46
1277 Collect data on the number of addresses (recipients)
1278 as well as the number of messages.
1279
1280SC/05 Eximstats V1.47
1281 Added 'Message too big' to the list of mail rejection
1282 reasons (thanks to Marco Gaiarin).
1283
1284SC/06 Eximstats V1.48
1285 Mainlog lines which have GMT offsets and are too short to
1286 have a flag are now skipped.
1287
1288SC/07 Eximstats V1.49 (Alain Williams)
1289 Added the -emptyok flag.
1290
1291SC/08 Eximstats V1.50
1292 Fixes for obtaining the IP address from reject messages.
1293
0ea2a468
JJ
1294JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
1295 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
1296 whitesspace changes from 4.64-PH/27
1297
1298JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
1299 match 4.64-PH/13
1300
1301JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
1302 are found, allow negative numbers in numeric criteria)
1303
1304JJ/06 exipick.20061117.2, added new $message_body_missing variable
1305
1306JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
1307 to match changes made in 4.64-PH/43
1308
8a10f5a4
PH
1309PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
1310
30e18802
PH
1311PH/47 Put in an explicit test for a DNS lookup of an address record where the
1312 "domain" is actually an IP address, and force a failure. This locks out
1313 those revolvers/nameservers that support "A-for-A" lookups, in
1314 contravention of the specifications.
1315
55728a4f
PH
1316PH/48 When a host name was looked up from an IP address, and the subsequent
1317 forward lookup of the name timed out, the host name was left in
1318 $sender_host_name, contrary to the specification.
d7d7b289 1319
d7837193
PH
1320PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1321 restricted to single-key lookups, Exim was not diagnosing an error if
1322 * or *@ was used with a query-style lookup.
1323
87054a31
PH
1324PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1325
ea2c01d2
MH
1326MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1327 long ago, but noone interested enough thought of it. Let's just say that
1328 the "1.1" means that there are some new functions that weren't there at
1329 some point in the past.
1330
e4fa6968
PH
1331PH/51 Error processing for expansion failure of helo_data from an smtp
1332 transport during callout processing was broken.
1333
56f5d9bd
PH
1334PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1335 tested/used via the -bh/-bhc/-bs options.
1336
922e1c28
PH
1337PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1338 bug, fixed in subsequent PCRE releases).
1339
21eb6e72
PH
1340PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1341 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1342
a0540757
PH
1343PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1344
944e9e9c 1345
478be7b0
SC
1346Exim version 4.63
1347-----------------
1348
1349SC/01 Use a glob alias rather than an array ref in eximstats generated
1350 parser. This improves both readability and performance.
1351
1352SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1353 Don't display local sender or destination tables in eximstats unless
1354 there is data to show.
1355 Added average volumes into the eximstats top table text output.
1356
1357SC/03 Collect data on the number of addresses (recipients) as well
1358 as the number of messages in eximstats.
1359
2b965a65
TF
1360TF/01 Correct an error in the documentation for the redirect router. Exim
1361 does (usually) call initgroups() when daemonizing.
478be7b0 1362
45b91596
PH
1363TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1364 with consistent privilege compared to when running as a daemon.
478be7b0 1365
c59f5781
TF
1366TF/03 Note in the spec that $authenticated_id is not set for local
1367 submissions from trusted users.
1368
90fc3069
TF
1369TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1370 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1371
6083aca0
TF
1372TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1373 by adding some example configuration directives to the default
1374 configuration file. A little bit of work is required to uncomment the
1375 directives and define how usernames and passwords are checked, but
1376 there is now a framework to start from.
1377
765b530f
PH
1378PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1379 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1380 without this. I don't know how relevant this is to other LDAP libraries.
1381
4e167a8c
PH
1382PH/02 Add the verb name to the "unknown ACL verb" error.
1383
4608d683
PH
1384PH/03 Magnus Holmgren's patch for filter_prepend_home.
1385
b8dc3e4a
PH
1386PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1387
5418e93b
PH
1388PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1389 directory not expanded when it should be if an expanded home directory
1390 was set for the address (which is overridden by the transport).
1391
b4a9bda2
PH
1392PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1393 libradius.
1394
45b91596
PH
1395PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1396 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1397 because it is too late at that time, and has no effect.
1398
5547e2c5
PH
1399PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1400 security issue with \' (bugzilla #107). I could not use the
1401 PQescapeStringConn() function, because it needs a PGconn value as one of
1402 its arguments.
1403
dbcef0ea
PH
1404PH/08 When testing addresses using -bt, indicate those final addresses that
1405 are duplicates that would not cause an additional delivery. At least one
1406 person was confused, thinking that -bt output corresponded to deliveries.
1407 (Suppressing duplicates isn't a good idea as you lose the information
1408 about possibly different redirections that led to the duplicates.)
1409
25257489
PH
1410PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1411 systems where poll() doesn't work, in particular OS X.
1412
c816d124
PH
1413PH/10 Added more information to debugging output for retry time not reached.
1414
a9ccd69a
PH
1415PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1416 operations in malware.c.
1417
75fa1910
PH
1418PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1419 signatures.
1420
a7d7aa58
PH
1421PH/13 If write_rejectlog was set false when logging was sent to syslog with
1422 syslog_duplication set false, log lines that would normally be written
1423 both the the main log and to the reject log were not written to syslog at
1424 all.
1425
42119b09
PH
1426PH/14 In the default configuration, change the use of "message" in ACL warn
1427 statements to "add_header".
1428
41609df5
PH
1429PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1430 not followed by a command (e.g. "seen endif").
1431
a5bd321b
PH
1432PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1433 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1434 latter.
1435
e85a7ad5 1436PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1437 so that it is now:
1438
e85a7ad5
PH
1439 ${if or { \
1440 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1441 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1442 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1443 }{no}{yes}}
1444
e85a7ad5
PH
1445 The Auto-Submitted: and various List- headers are standardised, whereas I
1446 don't think Precedence: ever was.
5dff5817 1447
d8fe1c03
PH
1448PH/18 Refactored debugging code in route_finduser() to show more information,
1449 in particular, the error code if getpwnam() issues one.
1450
16282d2b
PH
1451PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1452 This is apparently needed in addition to the PH/07 change above to avoid
1453 any possible encoding problems.
1454
35d40a98
PH
1455PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1456 but not after initializing Perl.
1457
034d99ab
PH
1458PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1459 output them only if debugging. By default they are written stderr,
1460 apparently, which is not desirable.
1461
6ec97b1b
PH
1462PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1463 queries.
1464
e22ca4ac
JJ
1465JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1466 --not options
1467
1468JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1469
33d73e3b
PH
1470PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1471 authenticated or an ident call has been made. Suppress the default
1472 values for $authenticated_id and $authenticated_sender (but permit -oMai
1473 and -oMas) when testing with -bh.
1474
9ecb03f3
PH
1475PH/24 Re-jigged the order of the tests in the default configuration so that the
1476 tests for valid domains and recipients precede the DNS black list and CSA
1477 tests, on the grounds that those ones are more expensive.
1478
084efe8d
PH
1479PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1480 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1481 This bug exists in every version of Exim that I still have, right back to
1482 0.12.
1483
366fc9f0
PH
1484PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1485 However, an attempt to turn on case-sensitivity in a regex key by
1486 including (?-i) didn't work because the subject string was already
1487 lowercased, and the effects were non-intuitive. It turns out that a
1488 one-line patch can be used to allow (?-i) to work as expected.
1489
c59f5781 1490
c887c79e
TF
1491Exim version 4.62
1492-----------------
1493
1494TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1495 other effects) broke the use of negated acl sub-conditions.
1496
1cce3af8
PH
1497PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1498 patch).
1499
afb3eaaf
PH
1500PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1501 "Deny" causes Exim to reject the incoming connection with a 554 error.
1502 Unfortunately, if there is a major crisis, such as a disk failure,
1503 tcp-wrappers gives "deny", whereas what one would like would be some
1504 kind of temporary error. A kludge has been added to help with this.
1505 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1506 554 error is used if errno is still zero or contains ENOENT (which occurs
1507 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1508 451 error is used.
1509
e173618b
PH
1510PH/03 Add -lutil to the default FreeBSD LIBS setting.
1511
dd16e114
PH
1512PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1513 errors. Otherwise a message that provokes a temporary error (when other
1514 messages do not) can cause a whole host to time out.
1515
f7fd3850
PH
1516PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1517 addresses were routed directly to files or pipes from a redirect router.
1518 File deliveries just didn't batch; pipe deliveries might have suffered
1519 odd errors.
1520
d87df92c
PH
1521PH/06 A failure to get a lock for a hints database would erroneously always say
1522 "Failed to get write lock", even when it was really a read lock.
1523
7e9f683d
PH
1524PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1525 of 0600. This has been changed to use the value of the lockfile_mode
1526 option (which defaults to 0600).
1527
bfad5236
PH
1528PH/08 Applied small patch from the Sieve maintainer.
1529
01c490df
PH
1530PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1531 folder from quota calculations, a direct delivery into this folder messed
1532 up the contents of the maildirsize file. This was because the regex was
1533 used only to exclude .Trash (or whatever) when the size of the mailbox
1534 was calculated. There was no check that a delivery was happening into an
1535 excluded directory. This bug has been fixed by ignoring all quota
1536 processing for deliveries into excluded directories.
1537
d6629cdc
PH
1538PH/10 Added the maildirfolder_create_regex option to appendfile.
1539
1cce3af8 1540
214e2000
PH
1541Exim version 4.61
1542-----------------
1543
1544PH/01 The code for finding all the local interface addresses on a FreeBSD
1545 system running IPv6 was broken. This may well have applied to all BSD
1546 systems, as well as to others that have similar system calls. The broken
1547 code found IPv4 interfaces correctly, but gave incorrect values for the
1548 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1549 that it would not match correctly against @[] and not recognize the IPv6
1550 addresses as local.
1551
f9daeae0
PH
1552PH/02 The ipliteral router was not recognizing addresses of the form user@
1553 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1554
7e66e54d
PH
1555PH/03 Added disable_ipv6.
1556
c8ea1597
PH
1557PH/04 Changed $reply_address to use the raw form of the headers instead of the
1558 decoded form, because it is most often used to construct To: headers
1559 lines in autoreplies, and the decoded form may well be syntactically
1560 invalid. However, $reply_address has leading white space removed, and all
1561 newlines turned into spaces so that the autoreply transport does not
1562 grumble.
1563
911f6fde
PH
1564PH/05 If group was specified without a user on a router, and no group or user
1565 was specified on a transport, the group from the router was ignored.
1566
47ca6d6c
PH
1567PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1568 for visible compile-time settings that can be used to change these
1569 numbers, for those that want even more. Backwards compatibility with old
1570 spool files has been maintained. However, going back to a previous Exim
1571 release will lost any variables that are in spool files.
1572
ed0e9820
PH
1573PH/07 Two small changes when running in the test harness: increase delay when
1574 passing a TCP/IP connection to a new process, in case the original
1575 process has to generate a bounce, and remove special handling of
1576 127.0.0.2 (sic), which is no longer necessary.
1577
eff37e47
PH
1578PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1579 be the same on different OS.
1580
1921d2ea
PH
1581PH/09 Moved a debug statement in filter processing to avoid a race problem when
1582 testing.
1583
b3f69ca8
JJ
1584JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1585 whether --show-vars was specified or not
1586
1587JJ/02 exipick: Added support for new ACL variable spool format introduced
1588 in 4.61-PH/06
1589
424a1c63
PH
1590PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1591 syntactically invalid From: or Reply-to: line, and a filter used this to
1592 generate an autoreply, and therefore failed to obtain an address for the
1593 autoreply, Exim could try to deliver to a non-existent relative file
1594 name, causing unrelated and misleading errors. What now happens is that
1595 it logs this as a hard delivery error, but does not attempt to create a
1596 bounce message.
1597
7a100415
PH
1598PH/11 The exinext utility has a -C option for testing purposes, but although
1599 the given file was scanned by exinext itself; it wasn't being passed on
1600 when Exim was called.
1601
19b9dc85
PH
1602PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1603 an end-of-file indication when reading a command response.
1604
309bd837
PH
1605PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1606 compiled. In many other places in Exim, IPv6 addresses are always
1607 recognized, so I have changed this. It also means that IPv4 domain
1608 literals of the form [IPV4:n.n.n.n] are now always recognized.
1609
59e82a2a
PH
1610PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1611 used if the router is not running as root, for example, when verifying at
1612 ACL time, or when using -bh. The debugging output from this situation was
1613 non-existent - all you got was a failure to exec. I have made two
1614 changes:
1615
1616 (a) Failures to set uid/gid, the current directory, or a process leader
1617 in a subprocess such as that created by queryprogram now generate
1618 suitable debugging ouput when -d is set.
1619
1620 (b) The queryprogram router detects when it is not running as root,
1621 outputs suitable debugging information if -d is set, and then runs
1622 the subprocess without attempting to change uid/gid.
1623
9edc04ce
PH
1624PH/15 Minor change to Makefile for building test_host (undocumented testing
1625 feature).
1626
1349e1e5
PH
1627PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1628 additional section of a DNS packet that returns MX or SRV records.
1629 Instead, it always explicitly searches for A/AAAA records. This avoids
1630 major problems that occur when a DNS server includes only records of one
1631 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1632 fixed another bug: if SRV records were looked up and the corresponding
1633 address records were *not* found in the additional section, the port
1634 values from the SRV records were lost.
1635
ea49d0e1
PH
1636PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1637 using the correct key (the original address) when searching the retry
1638 rules in order to find which one to use for generating the retry hint.
1639
064a94c9
PH
1640PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1641 adding the default one. Similarly, if it contains a Reply-To: header, the
1642 errors_reply_to option, if set, is not used.
1643
727071f8
PH
1644PH/19 When calculating a retry time, Exim used to measure the "time since
1645 failure" by looking at the "first failed" field in the retry record. Now
1646 it does not use this if it is later than than the arrival time of the
1647 message. Instead it uses the arrival time. This makes for better
1648 behaviour in cases where some deliveries succeed, thus re-setting the
1649 "first failed" field. An example is a quota failure for a huge message
1650 when small messages continue to be delivered. Without this change, the
1651 "time since failure" will always be short, possible causing more frequent
1652 delivery attempts for the huge message than are intended.
dd16e114 1653 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1654
f78eb7c6
PH
1655PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1656 $1, $2, $3) because the numerical variables can be reset during some
1657 expansion items (e.g. "match"), thereby losing the authentication data.
1658
21c28500
PH
1659PH/21 Make -bV show the size of off_t variables so that the test suite can
1660 decide whether to run tests for quotas > 2G.
1661
1662PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1663 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1664 filecount value is greater than 2G or if a quota value is greater than 2G
1665 on a system where the size of off_t is not greater than 4, a panic error
1666 is given.
1667
1688f43b
PH
1668PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1669 never match. The debug and -bh output now contains an explicit error
1670 message indicating a malformed IPv4 address or mask.
1671
1672PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1673 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1674 PH/23 above applies.
1675
9675b384
PH
1676PH/25 Do not write to syslog when running in the test harness. The only
1677 occasion when this arises is a failure to open the main or panic logs
1678 (for which there is an explicit test).
1679
6a3f1455
PH
1680PH/26 Added the /no_tell option to "control=freeze".
1681
dac79d3e
PH
1682PH/27 If a host name lookup failed very early in a connection, for example, if
1683 the IP address matched host_lookup and the reverse lookup yielded a name
1684 that did not have a forward lookup, an error message of the form "no IP
1685 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1686 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1687
5977a0b3
PH
1688PH/28 An enabling patch from MH: add new function child_open_exim2() which
1689 allows the sender and the authenticated sender to be set when
1690 submitting a message from within Exim. Since child_open_exim() is
1691 documented for local_scan(), the new function should be too.
1692
c91535f3
PH
1693PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1694 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1695 results in an empty string is now treated as unset.
1696
0d46a8c8
PH
1697PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1698
278c6e6c
PH
1699PH/31 Added sender_verify_fail logging option.
1700
2cbb4081
PH
1701PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1702 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1703 tidied the source and removed it altogether.
1704
3eef829e
PH
1705PH/33 When a queue run was abandoned because the load average was too high, a
1706 log line was always written; now it is written only if the queue_run log
1707 selector is set. In addition, the log line for abandonment now contains
1708 information about the queue run such as the pid. This is always present
1709 in "start" and "stop" lines but was omitted from the "abandon" line.
1710
1ab95fa6
PH
1711PH/34 Omit spaces between a header name and the colon in the error message that
1712 is given when verify = headers_syntax fails (if there are lots of them,
1713 the message gets confusing).
1714
230205fc
PH
1715PH/35 Change the default for dns_check_names_pattern to allow slashes within
1716 names, as there are now some PTR records that contain slashes. This check
1717 is only to protect against broken name servers that fall over on strange
1718 characters, so the fact that it applies to all lookups doesn't matter.
1719
75e0e026
PH
1720PH/36 Now that the new test suite is complete, we can remove some of the
1721 special code in Exim that was needed for the old test suite. For example,
1722 sorting DNS records because real resolvers return them in an arbitrary
1723 order. The new test suite's fake resolver always returns records in the
1724 same order.
1725
1726PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1727 bounces) except when queue_only is set, to avoid logging races between
1728 the different processes.
1729
145396a6
PH
1730PH/38 Panic-die if .include specifies a non-absolute path.
1731
3cd34f13
PH
1732PH/39 A tweak to the "H" retry rule from its user.
1733
11121d3d
JJ
1734JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1735 a label. They prevented compilation on older perls.
1736
1737JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1738 a warning to be raised on newish perls.
1739
1740JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1741 on queue. Changes to match documented behaviour of showing count of
1742 messages matching specified criteria.
1743
8def5aaf
PH
1744PH/40 Changed the default ident timeout from 30s to 5s.
1745
929ba01c
PH
1746PH/41 Added support for the use of login_cap features, on those BSD systems
1747 that have them, for controlling the resources used by pipe deliveries.
1748
2632889e
PH
1749PH/42 The content-scanning code uses fopen() to create files in which to put
1750 message data. Previously it was not paying any attention to the mode of
1751 the files. Exim runs with umask(0) because the rest of the code creates
1752 files with open(), and sets the required mode explicitly. Thus, these
1753 files were ending up world-writeable. This was not a big issue, because,
1754 being within the spool directory, they were not world-accessible. I have
1755 created a function called modefopen, which takes an additional mode
1756 argument. It sets umask(777), creates the file, chmods it to the required
1757 mode, then resets the umask. All the relevant calls to fopen() in the
1758 content scanning code have been changed to use this function.
1759
944a9c55
PH
1760PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1761 to 24 hours. This avoids potential overflow problems when processing G
1762 and H retry rules. I suspect nobody ever tinkers with this value.
1763
4a23603b
PH
1764PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1765
4730f942
PH
1766PH/45 When the plaintext authenticator is running as a client, the server's
1767 challenges are checked to ensure they are valid base64 strings. By
1768 default, the authentication attempt is cancelled if an invalid string is
1769 received. Setting client_ignore_invalid_base64 true ignores these errors.
1770 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1771 they are received. Thus, the responses can be made to depend on the
1772 challenges. If an invalid string is ignored, an empty string is placed in
1773 the variable.
1774
30dba1e6
PH
1775PH/46 Messages that are created by the autoreply transport now contains a
1776 References: header, in accordance with RFCs 2822 and 3834.
1777
382afc6b
PH
1778PH/47 Added authenticated_sender_force to the smtp transport.
1779
a86229cf
PH
1780PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1781
50c99ba6
PH
1782PH/49 Installed latest patch from the Sieve maintainer.
1783
d35e429d
PH
1784PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1785 was also set, the appendfile transport was unnecessarily scanning a
1786 directory of message files (e.g. for maildir delivery) to find the count
1787 of files (along with the size), even though it did not need this
1788 information. It now does the scan only if it needs to find either the
1789 size of the count of files.
1790
f90d018c
PH
1791PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1792
75def545
PH
1793PH/52 Two bugs concerned with error handling when the smtp transport is
1794 used in LMTP mode:
1795
1796 (i) Exim was not creating retry information for temporary errors given
1797 for individual recipients after the DATA command when the smtp transport
1798 was used in LMTP mode. This meant that they could be retried too
1799 frequently, and not timed out correctly.
1800
1801 (ii) Exim was setting the flag that allows error details to be returned
1802 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1803 recipients that were returned after the DATA command.
1804
1805PH/53 This is related to PH/52, but is more general: for any failing address,
1806 when detailed error information was permitted to be returned to the
1807 sender, but the error was temporary, then after the final timeout, only
1808 "retry timeout exceeded" was returned. Now it returns the full error as
1809 well as "retry timeout exceeded".
1810
c46782ef
PH
1811PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1812 do this, and (what is worse) MTAs that accept it.
1813
71fafd95
PH
1814PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1815 will now be deprecated.
1816
2c5db4fd
PH
1817PH/56 New os.c-cygwin from the Cygwin maintainer.
1818
9cf6b11a
JJ
1819JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1820 formats (previously only available in exim formats via -bpr, -bpru,
1821 and -bpra. Now also available in native and exiqgrep formats)
1822
1823JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1824 with very large, slow to parse queues
1825
1826JJ/08 exipick: added ! as generic prefix to negate any criteria format
1827
1828JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1829
898d150f
PH
1830PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1831 responses to authentication challenges, though it was showing the
1832 challenges; (ii) I've removed the CR characters from the debug output for
1833 SMTP output lines.
1834
46218253
PH
1835PH/58 Allow for the insertion of a newline as well as a space when a string
1836 is turned into more than one encoded-word during RFC 2047 encoding. The
1837 Sieve code now uses this.
1838
e97957bc
PH
1839PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1840 data_4xx, lost_connection, tls_required.
1841
81e509d7
PH
1842PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1843 message was being sent as an SMTP response.
1844
3d240ff7
PH
1845PH/61 Add -l and -k options to exicyclog.
1846
b37c4101
PH
1847PH/62 When verifying, if an address was redirected to one new address, so that
1848 verification continued, and the new address failed or deferred after
1849 having set something in $address_data, the value of $address_data was not
1850 passed back to the ACL. This was different to the case when no
1851 redirection occurred. The value is now passed back in both cases.
1852
79378e0f
PH
1853PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1854 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1855 use login_cap.h, so on its own it isn't the distinguishing feature. The
1856 new name refers directly to the setclassresources() function.
1857
e49c7bb4
PH
1858PH/65 Added configuration files for NetBSD3.
1859
d114ec46
PH
1860PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1861
f3d7df6c
PH
1862PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1863 is preferred over IPv4.
1864
715ab376
PH
1865PH/68 The bounce_return_message and bounce_return_body options were not being
1866 honoured for bounces generated during the reception of non-SMTP messages.
1867 In particular, this applied to messages rejected by the ACL. This bug has
1868 been fixed. However, if bounce_return_message is true and bounce_return_
1869 body is false, the headers that are returned for a non-SMTP message
1870 include only those that have been read before the error was detected.
1871 (In the case of an ACL rejection, they have all been read.)
1872
6b31b150
PH
1873PH/69 The HTML version of the specification is now built in a directory called
1874 spec_html instead of spec.html, because the latter looks like a path with
1875 a MIME-type, and this confuses some software.
1876
1877PH/70 Catch two compiler warnings in sieve.c.
1878
d515a917
PH
1879PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1880 function verify_get_ident() calls ip_connect() to connect a socket, but
1881 if the "connect()" function timed out, ip_connect() used to close the
1882 socket. However, verify_get_ident() also closes the socket later, and in
1883 between Exim writes to the log, which may get opened at this point. When
1884 the socket was closed in ip_connect(), the log could get the same file
1885 descriptor number as the socket. This naturally causes chaos. The fix is
1886 not to close the socket in ip_connect(); the socket should be closed by
1887 the function that creates it. There was only one place in the code where
1888 this was missing, in the iplookup router, which I don't think anybody now
1889 uses, but I've fixed it anyway.
1890
9b8fadde
PH
1891PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1892 well as to direct DNS lookups. Otherwise the handling of names in host
1893 lists is inconsistent and therefore confusing.
1894
214e2000 1895
5de37277
PH
1896Exim version 4.60
1897-----------------
1898
cc38ddbf
PH
1899PH/01 Two changes to the default runtime configuration:
1900
1901 (1) Move the checks for relay_from_hosts and authenticated clients from
1902 after to before the (commented out) DNS black list checks.
1903
1904 (2) Add control=submission to the relay_from_hosts and authenticated
1905 clients checks, on the grounds that messages accepted by these
1906 statements are most likely to be submissions.
5de37277 1907
72fdd6ae
PH
1908PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1909
1910 (1) Generate an error if the third argument for the ${prvs expansion is
1911 not a single digit.
1912
1913 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1914 string.
1915
1916 (3) Reset the variables that are obtained from the first argument of
1917 ${prvscheck and used in the second argument before leaving the code,
1918 because their memory is reclaimed, so using them afterwards may do
1919 silly things.
1920
1921 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1922 one (it's much easier than Tom thought :-).
1923
1924 (5) Because of (4), we can now allow for the use of $prvscheck_result
1925 inside the third argument.
cb9328de 1926
cb741023
PH
1927PH/03 For some reason, the default setting of PATH when running a command from
1928 a pipe transport was just "/usr/bin". I have changed it to
1929 "/bin:/usr/bin".
1930
f174f16e
PH
1931PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1932 anything to be listed in the output from -bV.
b2f5a032 1933
c25242d7
PH
1934PH/05 When a filter generated an autoreply, the entire To: header line was
1935 quoted in the delivery log line, like this:
1936
1937 => >A.N.Other <ano@some.domain> <original@ddress> ...
1938
1939 This has been changed so that it extracts the operative address. There
1940 may be more than one such address. If so, they are comma-separated, like
1941 this:
1942
1943 => >ano@some.domain,ona@other.domain <original@ddress> ...
1944
82c19f95
PH
1945PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1946 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1947 not being looked up in the rDNS to get a host name, Exim was showing the
1948 IP address twice in Received: lines, even though the IP addresses were
1949 identical. For example:
1950
1951 Received: from [1.2.3.4] (helo=[1.2.3.4])
1952
1953 However, if the real host name was known, it was omitting the HELO data
1954 if it matched the actual IP address. This has been tidied up so that it
1955 doesn't show the same IP address twice.
1956
d7ffbc12
PH
1957PH/07 When both +timestamp and +memory debugging was on, the value given by
1958 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1959 called by the debug printing, thereby overwriting the timestamp buffer.
1960 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1961
9f526266
PH
1962PH/08 When the original message was included in an autoreply transport, it
1963 always said "this is a copy of the message, including all the headers",
1964 even if body_only or headers_only was set. It now gives an appropriate
1965 message.
1966
87fcc8b9
PH
1967PH/09 Applied a patch from the Sieve maintainer which:
1968
1969 o fixes some comments
1970 o adds the (disabled) notify extension core
1971 o adds some debug output for the result of if/elsif tests
1972 o points to the current vacation draft in the documentation
1973 and documents the missing references header update
1974
1975 and most important:
1976
1977 o fixes a bug in processing the envelope test (when testing
1978 multiple envelope elements, the last element determinted the
1979 result)
1980
456682f5
PH
1981PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1982 Electronic Mail") by including:
1983
1984 Auto-submitted: auto-generated
1985
1986 in the messages that it generates (bounce messages and others, such as
1987 warnings). In the case of bounce messages for non-SMTP mesages, there was
1988 also a typo: it was using "Auto_submitted" (underscore instead of
1989 hyphen). Since every message generated by Exim is necessarily in response
1990 to another message, thes have all been changed to:
1991
1992 Auto-Submitted: auto-replied
1993
1994 in accordance with these statements in the RFC:
1995
1996 The auto-replied keyword:
1997
1998 - SHOULD be used on messages sent in direct response to another
1999 message by an automatic process,
2000
2001 - MUST NOT be used on manually-generated messages,
2002
2003 - MAY be used on Delivery Status Notifications (DSNs) and Message
2004 Disposition Notifications (MDNs),
2005
2006 - MUST NOT be used on messages generated by automatic or periodic
2007 processes, except for messages which are automatic responses to
2008 other messages.
2009
3e46c1aa
PH
2010PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
2011 to the default Received: header definition.
456682f5 2012
49826d12
PH
2013PH/12 Added log selector acl_warn_skipped (default on).
2014
eba0c039
PH
2015PH/13 After a successful wildlsearch lookup, discard the values of numeric
2016 variables because (a) they are in the wrong storage pool and (b) even if
2017 they were copied, it wouldn't work properly because of the caching.
2018
a0d6ba8a
PH
2019PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
2020 checking when decoding. Apparently there are clients that generate
2021 overlong encoded strings. Why am I not surprised?
2022
f0917727
PH
2023PH/15 If the first argument of "${if match_address" was not empty, but did not
2024 contain an "@" character, Exim crashed. Now it writes a panic log message
2025 and treats the condition as false.
2026
096fee00
PH
2027PH/16 In autoreply, treat an empty string for "once" the same as unset.
2028
024bd3c2
PH
2029PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
2030 extension "envelope-auth". The code is finished and in agreement with
2031 other implementations, but there is no documentation so far and in fact,
2032 nobody wrote the draft yet. This extension is currently #undef'ed, thus
2033 not changing the active code.
2034
2035 Print executed "if" and "elsif" statements when debugging is used. This
2036 helps a great deal to understand what a filter does.
2037
2038 Document more things not specified clearly in RFC3028. I had all this
2039 sorted out, when out of a sudden new issues came to my mind. Oops."
2040
df199fec
PH
2041PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
2042 (Bugzilla #53).
2043
d27f1df3
PH
2044PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
2045 canonical form (as documented). However, after a host name lookup from
2046 the IP address, check_host() was doing a simple string comparison with
2047 addresses acquired from the DNS when checking that the found name did
2048 have the original IP as one of its addresses. Since any found IPv6
2049 addresses are likely to be in abbreviated form, the comparison could
2050 fail. Luckily, there already exists a function for doing the comparison
2051 by converting both addresses to binary, so now that is used instead of
2052 the text comparison.
2053
96776534
PH
2054PH/20 There was another similar case to PH/19, when a complete host name was
2055 given in a host list; looking up its IP address could give an abbreviated
2056 form, whereas the current host's name might or might not be abbreviated.
2057 The same fix has been applied.
2058
5de37277 2059
9a799bc0
PH
2060Exim version 4.54
2061-----------------
2062
2063PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
2064 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
2065 It now does.
2066
99a4b039
PH
2067PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
2068 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
2069
2070PH/03 Typo: missing ".o" in src/pcre/Makefile.
2071
4b233853
PH
2072PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
2073 header line, restrict the check to what is listed in RFCs 2369 and 2929.
2074 Also, for "Auto-Submitted", treat anything other than "no" as
2075 non-personal, in accordance with RFC 3834. (Previously it treated
2076 anything starting "auto-" as non-personal.)
2077
8857ccfd
PH
2078TF/01 The control=submission/name=... option had a problem with syntax
2079 errors if the name included a slash character. The /name= option
2080 now slurps the rest of the string, so it can include any characters
2081 but it must come last in the list of options (after /sender_retain
2082 or /domain=).
2083
433a2980
PH
2084PH/05 Some modifications to the interface to the fake nameserver for the new
2085 testing suite.
2086
3e46c1aa 2087
9a799bc0 2088
e3a311ba
TK
2089Exim version 4.53
2090-----------------
2091
2092TK/01 Added the "success_on_redirect" address verification option. See
2093 NewStuff for rationale and an example.
2094
13b685f9
PH
2095PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
2096
395ff96d
PH
2097PH/02 Patch to exigrep to allow it to work on syslog lines.
2098
5b68f6e4
PH
2099PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
2100 fread() to skip over the body file's header line, because in Cygwin the
2101 header line is locked and is inaccessible.
2102
1ab52c69
PH
2103PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
2104 co-exist for some time) to make it clear that it is the Exim ID that is
2105 referenced, not the Message-ID: header line.
2106
b07e6aa3
PH
2107PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
2108 string_format() function, because snprintf() does not exist on all
2109 operating systems.
2110
254e032f
PH
2111PH/06 The use of forbid_filter_existstest now also locks out the use of the
2112 ${stat: expansion item.
2113
3af76a81
PH
2114PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
2115 protocol synchronization error", to keep the pedants happy.
2116
2548ba04
PH
2117PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
2118 well as for IRIX systems, when gcc is being used. See the host.c source
2119 file for comments.
2120
b6c6011d
PH
2121PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
2122
cf39cf57
PH
2123PH/10 Named domain lists were not working if used in a queue_smtp_domains
2124 setting.
2125
f1513293
PH
2126PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
2127 transport and to the smtp transport in LMTP mode.
2128
727549a4
PH
2129TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
2130
af46795e
PH
2131PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
2132 run a filter in a subprocess. This could lead to confusion in subsequent
2133 lookups in the parent process. There should also be a search_tidyup() at
2134 the end of the subprocess.
2135
d7b47fd0
PH
2136PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
2137 only if the host matched helo_try_verify_hosts, which caused the
2138 verification to occur when the EHLO/HELO command was issued. The ACL just
2139 tested the remembered result. Now, if a previous verification attempt has
2140 not happened, "verify = helo" does it there and then.
2141
ee744174
JJ
2142JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
2143
b582ab87
PH
2144TK/03 Fix log output including CR from clamd.
2145
41a13e0a
PH
2146PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
2147 exist provoked a memory error which could cause a segfault.
2148
f625cc5a
PH
2149PH/15 Installed PCRE 6.2
2150
2151PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
2152
21f7af35
PH
2153PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
2154 of the problem. Specifically, suggested +O2 rather than +O1 for the
2155 HP-UX compiler.
2156
31480e42
PH
2157PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
2158
2d280592
PH
2159PH/20 If a delivery was routed to a non-standard port by means of an SRV
2160 record, the port was not correctly logged when the outgoing_port log
2161 selector was set (it logged the transort's default port).
2162
7cd1141b
PH
2163PH/21 Added support for host-specific ports to manualroute, queryprogram,
2164 fallback_hosts, and "hosts" in the smtp transport.
2165
2166PH/22 If the log selector "outgoing_port" is set, the port is now also given on
2167 host errors such as "Connection refused".
2168
750af86e
PH
2169PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
2170 authentication with radiusclient 0.4.9:
2171
2172 - Error returned from rc_read_config was caught wrongly
2173 - Username/password not passed on to radius server due to wrong length.
2174
2175 The presumption is that some radiusclient API changes for 4.51/PH/17
2176 were not taken care of correctly. The code is still untested by me (my
2177 Linux distribution still has 0.3.2 of radiusclient), but it was
2178 contributed by a Radius user.
2179
2180PH/24 When doing a callout, the value of $domain wasn't set correctly when
2181 expanding the "port" option of the smtp transport.
2182
4304270b
TK
2183TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
2184 while reading a MIME header. Thanks to Tom Hughes for a patch.
2185
750af86e
PH
2186PH/24 Include config.h inside local_scan.h so that configuration settings are
2187 available.
2188
64ffc24f
PH
2189PH/25 Make $smtp_command_argument available after all SMTP commands. This means
2190 that in an ACL for RCPT (for example), you can examine exactly what was
2191 received.
2192
5dd9625b
PH
2193PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
2194 commands, but it was not correctly comparing the address with the actual
2195 client host address. Thus, it would show the EHLO address in Received:
2196 header lines when this was not necessary.
2197
5591031b
PH
2198PH/27 Added the % operator to ${eval:}.
2199
ba18e66a
PH
2200PH/28 Exim tries to create and chdir to its spool directory when it starts;
2201 it should be ignoring failures (because with -C, for example, it has lost
2202 privilege). It wasn't ignoring creation failures other than "already
2203 exists".
2204
9cec981f
PH
2205PH/29 Added "crypteq" to the list of supported features that Exim outputs when
2206 -bV or -d is used.
2207
aa2b5c79
PH
2208PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
2209 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
2210 too many continuations, the temporary file was not being removed, and the
2211 return code was incorrect.
aa2b5c79 2212
48a53b7f
PH
2213PH/31 Missing "BOOL" in function definition in filtertest.c.
2214
1c59d63b
PH
2215PH/32 Applied Sieve patches from the maintainer.
2216
671012da
TK
2217TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
2218
1509d3a8
PH
2219PH/33 Added "verify = not_blind".
2220
2221PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
2222 Local/Makefile (with some defaults set). These are used in built scripts
2223 such as exicyclog, but they have never been used in the exim_install
2224 script (though there are many overriding facilities there). I have
2225 arranged that the exim_install script now takes note of these two
2226 settings.
2227
2228PH/35 Installed configuration files for Dragonfly.
2229
2fe1a124
PH
2230PH/36 When a locally submitted message by a trusted user did not contain a
2231 From: header, and the sender address was obtained from -f or from an SMTP
2232 MAIL command, and the trusted user did not use -F to supply a sender
2233 name, $originator_name was incorrectly used when constructing a From:
2234 header. Furthermore, $originator_name was used for submission mode
2235 messages from external hosts without From: headers in a similar way,
2236 which is clearly wrong.
2237
8800895a
PH
2238PH/37 Added control=suppress_local_fixups.
2239
ccfdb010
PH
2240PH/38 When log_selector = +received_sender was set, and the addition of the
2241 sender made the log line's construction buffer exactly full, or one byte
2242 less than full, an overflow happened when the terminating "\n" was
2243 subsequently added.
2244
1130bfb0
PH
2245PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
2246 when the result of a list match is failure because a DNS lookup failed.
2247
ebcb507f
PH
2248PH/40 RM_COMMAND is now used in the building process.
2249
c35e155c
PH
2250PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
2251 the "build-* directories that it finds.
2252
95d1f782
PH
2253PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
2254 address in a domain literal was a prefix of an interface address.
2255
fd6de02e
PH
2256PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
2257 when verifying a sender address, unless rewrite_headers is false.
2258
58de37c5
PH
2259PH/44 Wrote a long comment about why errors_to addresses are verified as
2260 recipients, not senders.
2261
261cf466
TF
2262TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
2263 the ratelimit ACL was added.
2264
3ee512ff
PH
2265PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
2266
e08c430f
PH
2267PH/46 Added extra information about PostgreSQL errors to the error string.
2268
bef5a11f
PH
2269PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
2270 avoiding the need to install special zones in a real server. This is
2271 backwards compatible; if it can't find the fake resolver, it drops back.
2272 Thus, both old and new test suites can be run.
2273
7546de58
TF
2274TF/02 Added util/ratelimit.pl
2275
e5d5a95f
TF
2276TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
2277 clock is set back in time.
2278
2e88a017
TF
2279TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
2280 Candler <B.Candler@pobox.com>.
2281
a5f65aa4
TF
2282TF/05 The fix for PH/43 was not completely correct; widen_domains is always
2283 OK for addresses that are the result of redirections.
2284
e7726cbf
PH
2285PH/48 A number of further additions for the benefit of the new test suite,
2286 including a fake gethostbyname() that interfaces to the fake DNS resolver
2287 (see PH/47 above).
2288
a7fdad5b
TF
2289TF/06 The fix for widen_domains has also been applied to qualify_single and
2290 search_parents which are the other dnslookup options that can cause
2291 header rewrites.
2292
6af56900
PH
2293PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
2294 type ("H").
2295
0925ede6
PH
2296PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
2297
66afa403
TF
2298TF/07 Exim produced the error message "an SRV record indicated no SMTP
2299 service" if it encountered an MX record with an empty target hostname.
2300 The message is now "an MX or SRV record indicated no SMTP service".
2301
0154e85a
TF
2302TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
2303 if the DNS of the sending site is misconfigured. This is quite a
2304 common situation. This change restores the behaviour of treating a
2305 helo verification defer as a failure.
2306
16f12c76
PH
2307PH/51 If self=fail was set on a router, the bounce message did not include the
2308 actual error message.
2309
bbe902f0 2310
e5a9dba6
PH
2311Exim version 4.52
2312-----------------
2313
2314TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
2315
22c3b60b
PH
2316PH/01 When a transport filter timed out in a pipe delivery, and the pipe
2317 command itself ended in error, the underlying message about the transport
2318 filter timeout was being overwritten with the pipe command error. Now the
2319 underlying error message should be appended to the second error message.
2320
06a9b4b5
PH
2321TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2322
c1ac6996
PH
2323PH/02 Reduce the amount of output that "make" produces by default. Full output
2324 can still be requested.
2325
9c7a242c
PH
2326PH/03 The warning log line about a condition test deferring for a "warn" verb
2327 was being output only once per connection, rather than after each
2328 occurrence (because it was using the same function as for successful
2329 "warn" verbs). This seems wrong, so I have changed it.
2330
87ba3f5f
PH
2331TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2332 it should not have, which might have caused a crash in the right
2333 circumstances, but probably never did.
2334
2335PH/04 Installed a modified version of Tony Finch's patch to make submission
2336 mode fix the return path as well as the Sender: header line, and to
2337 add a /name= option so that you can make the user's friendly name appear
2338 in the header line.
2339
29aba418
TF
2340TF/03 Added the control = fakedefer ACL modifier.
2341
fe0dab11
TF
2342TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2343 Mark Lowes for thorough testing.
870f6ba8 2344
11d337a4
TK
2345TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2346
2347TK/03 Merged latest SRS patch from Miles Wilton.
2348
415c8f3b
PH
2349PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2350 with the definition in sysexits.h (which is #included earlier).
2351 Fortunately, Exim does not actually use EX_OK. The code used to try to
2352 preserve the sysexits.h value, by assumimg that macro definitions were
2353 scanned for macro replacements. I have been disabused of this notion,
2354 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2355
958541e9
PH
2356PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2357 in the smtp transport. When a block could not be written in a single
2358 write() function, the timeout was being re-applied to each part-write.
2359 This seems wrong - if the receiver was accepting one byte at a time it
2360 would take for ever. The timeout is now adjusted when this happens. It
2361 doesn't have to be particularly precise.
2362
c206415f
TK
2363TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2364 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2365
2a4be8f9
PH
2366PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2367 without a domain if the check to <postmaster@domain> fails.
2368
1cba11c5
SC
2369SC/01 Eximstats: added -xls and the ability to specify output files
2370 (patch written by Frank Heydlauf).
2371
2372SC/02 Eximstats: use FileHandles for outputing results.
2373
2374SC/03 Eximstats: allow any combination of xls, txt, and html output.
2375
2376SC/04 Eximstats: fixed display of large numbers with -nvr option
2377
2378SC/05 Eximstats: fixed merging of reports with empty tables.
2379
2380SC/06 Eximstats: added the -include_original_destination flag
2381
2382SC/07 Eximstats: removed tabs and trailing whitespace.
2383
1005d00e
TK
2384TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2385
2386TK/06 MBOX spool code: Add real "From " MBOX separator line
2387 so the .eml file is really in mbox format (even though
2388 most programs do not really care). Patch from Alex Miller.
2389
2390TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2391 The latter is generated from $received_to and is only set if the
2392 message has one envelope recipient. SA can use these headers,
2393 obviously out-of-the-box. Patch from Alex Miller.
2394
9b4768fa
PH
2395PH/08 The ${def test on a variable was returning false if the variable's
2396 value was "0", contrary to what the specification has always said!
2397 The result should be true unless the variable is empty.
2398
2399PH/09 The syntax error of a character other than { following "${if
2400 def:variable_name" (after optional whitespace) was not being diagnosed.
2401 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2402 accidental colon was present, for example, could give incorrect results.
2403
0d7eb84a
PH
2404PH/10 Tidied the code in a number of places where the st_size field of a stat()
2405 result is used (not including appendfile, where other changes are about
2406 to be made).
2407
2408PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2409 This involved changing a lot of size variables from int to off_t. It
2410 should work with maildirs and everything.
2411
40727bee
TK
2412TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2413 spamd dying while we are connected to it.
2414
554d2369
TF
2415TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2416 <jgh@wizmail.org>
2417
1f922db1
PH
2418PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2419 function for BDB 4.3.
2420
ef213c3b
PH
2421PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2422
8ac170f3
PH
2423PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2424 the sources for PCRE have been re-arranged and more files are now
2425 involved.
2426
b1c749bb
PH
2427PH/15 The code I had for printing potentially long long variables in PH/11
2428 above was not the best (it lost precision). The length of off_t variables
2429 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2430 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2431 to be "long long int" or "long int". This is needed for the internal
2432 formatting function string_vformat().
b1c749bb 2433
4aac9b49
PH
2434PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2435 the configuration file to be ":syslog", then the script "guesses" where
2436 the logs files are, rather than using the compiled in default. In our
2437 case the guess is not the same as the compiled default, so the script
2438 suddenly stopped working when I started to use syslog. The patch checks
2439 to see if log_file_path is "". If so, it attempts to read it from exim
2440 with no configuration file to get the compiled in version, before it
2441 falls back to the previous guessing code."
2442
294520c8
TK
2443TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2444 implementing BATV in an Exim configuration. See NewStuff for the gory
2445 details.
2446
5bd022fe
PH
2447PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2448 Makefile that are specific to HP-UX.
2449
90e9ce59
PH
2450PH/18 If the "use_postmaster" option was set for a recipient callout together
2451 with the "random" option, the postmaster address was used as the MAIL
2452 FROM address for the random test, but not for the subsequent recipient
2453 test. It is now used for both.
2454
5ea81592
PH
2455PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2456 patch removes a few documentation additions to RFC 3028, because the
2457 latest draft now contains them. It adds the new en;ascii-case comparator
2458 and a new error check for 8bit text in MIME parts. Comparator and
2459 require names are now matched exactly. I enabled the subaddress
2460 extension, but it is not well tested yet (read: it works for me)."
2461
c6c2dc1d
PH
2462PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2463 rework some of the code of TK/09 above to avoid the hardwired use of
2464 "%lld" and "long long". Replaced the call to snprintf() with a call to
2465 string_vformat().
2466
fffffe4c
PH
2467PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2468 records point to non-existent hosts", "retry timeout exceeded", and
2469 "retry time not reached for any host after a long failure period".
ca02eafb 2470
9a26b6b2
PH
2471PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2472 experimental DomainKeys support:
2473
2474 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2475 (2) On an error such as an illegally used "control", the wrong name for
2476 the control was given.
2477
2478 These problems did NOT occur unless DomainKeys support was compiled.
2479
4aee0225
PH
2480PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2481
32d668a5
PH
2482PH/24 Added ${if match_ip condition.
2483
8187c3f3
PH
2484PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2485 databases so that it will be absolutely obvious if a crash occurs in the
2486 DB library. This is a regular occurrence (often caused by mis-matched
2487 db.h files).
2488
ff790e47 2489PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2490 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2491 picked up on a user's system that detects such things. There doesn't seem
2492 to be a gcc warning option for this - only an attribute that has to be
2493 put on the function's prototype. It seems that in Fedora Core 4 they have
2494 set this on a number of new functions. No doubt there will be more in due
2495 course.
ff790e47 2496
5417f6d1
PH
2497PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2498 specify a transport. However, if an address that was verified by such a
2499 router was the subject of a callout, Exim crashed because it tried to
2500 read the rcpt_include_affixes from the non-existent transport. Now it
2501 just assumes that the setting of that option is false. This bug was
2502 introduced by 4.51/PH/31.
2503
59cf8544
PH
2504PH/28 Changed -d+all to exclude +memory, because that information is very
2505 rarely of interest, but it makes the output a lot bigger. People tend to
2506 do -d+all out of habit.
2507
e7ad8a65
PH
2508PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2509 code in os-type was giving problems when libc.so lives in lib64, like on
2510 x86_64 Fedora Core.
2511
ade42478
PH
2512PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2513 aren't the modern standard, and it seems that some systems' include files
2514 don't always have them. Exim was already checking for some of the newer
2515 ones like T_AAAA, and defining it itself. I've added checks for all the
2516 record types that Exim uses.
2517
182ad5cf
PH
2518PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2519 not automatically generating a new one, as it is supposed to. This
2520 prevented TLS from working. If the file did exist, but contained invalid
2521 data, a new version was generated, as expected. It was only the case of a
2522 non-existent file that was broken.
2523
b0d9fc80
TK
2524TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2525 with a change in libdomainkeys > 0.64.
2526
2527TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2528 from DNS. If the selector record carries the flag, it now has
2529 precedence over the domain-wide flag.
2530
2531TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2532
47c7a64a
PH
2533PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2534 the use of a port name that isn't defined in /etc/services) occurred, the
2535 message was deferred as in a normal delivery, and thus remained on the
2536 spool, instead of being failed because of the mua_wrapper setting. This
2537 is now fixed, and I tidied up some of the mua_wrapper messages at the
2538 same time.
2539
a388bce4
SC
2540SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2541 the messages in a hash of arrays rather than using individual hashes.
2542 This is a bit cleaner and results in dramatic memory savings, albeit
2543 at a slight CPU cost.
2544
2545SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2546 as requested by Marc Sherman.
2547
2548SC/10 Eximstats: added histograms for user specified patterns as requested
2549 by Marc Sherman.
2550
0793e4ed
SC
2551SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2552
c58b88df
PH
2553PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2554 fopen() in the content-scanning modules that did not already have it.
2555
e7ad8a65 2556
7982096b
PH
2557Exim version 4.51
2558-----------------
2559
1a46a8c5
PH
2560TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2561 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2562
2f079f46 2563TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2564
2565TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2566
2567PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2568 to test Sieve filters that use "vacation".
2569
2570PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2571 that changes the way the GnuTLS parameters are stored in the cache file.
2572 The new format can be generated externally. For backward compatibility,
2573 if the data in the cache doesn't make sense, Exim assumes it has read an
2574 old-format file, and it generates new data and writes a new file. This
2575 means that you can't go back to an older release without removing the
2576 file.
2577
2578PH/03 A redirect router that has both "unseen" and "one_time" set does not
2579 work if there are any delivery delays because "one_time" forces the
2580 parent to be marked "delivered", so its unseen clone is never tried
2581 again. For this reason, Exim now forbids the simultaneous setting of
2582 these two options.
2583
2584PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2585 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2586 entry if you want to know the details. The fix, however, neglected to
2587 consider the case when local delivery batching is involved. The test for
2588 "previously delivered" was not happening when checking to see if an
2589 address could be batched with a previous (undelivered) one; under
2590 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2591 address.
1a46a8c5
PH
2592
2593PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2594 in its include files, and this causes problems building Exim.
2595
2596PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2597 header_syntax) but Exim was just ignoring anything given after a slash.
2598 In particular, this caused confusion with an attempt to use "verify =
2599 reverse_host_lookup/defer_ok". An error is now given when options are
2600 supplied for verify items that do not have them. (Maybe reverse_host_
2601 lookup should have a defer_ok option, but that's a different point.)
2602
2603PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2604 defined by RFC 821) to 2048, because there were problems with some AUTH
2605 commands, and RFC 1869 says the size should be increased for extended
2606 SMTP commands that take arguments.
2607
2608PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2609 Finch).
2610
2611PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2612 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2613
49c2d5ea
PH
2614PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2615 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2616 whatever). Otherwise the password may appear in the log. Following change
2617 PH/42 below, there is no longer a chance of it appearing in a bounce
2618 message.
49c2d5ea 2619
bf759a8b
PH
2620PH/11 Installed exipick version 20050225.0 from John Jetmore.
2621
83364d30
PH
2622PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2623 of its addresses was ever tried. (Bugzilla bug #2.)
2624
7999bbd7
PH
2625PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2626 the result incorrectly in the debug output. (It correctly added a newline
2627 to what was transported.)
2628
7dbf77c9
PH
2629TF/01 Added $received_time.
2630
74e0617f
PH
2631PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2632 commented out examples of how to interface to a virus scanner and to
2633 SpamAssassin. Also added commented examples of av_scanner and
2634 spamd_address settings.
2635
2f079f46
PH
2636PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2637 and controls are allowed in which ACLs. There were a couple of minor
2638 errors. Some of the entries in the conditions table (which is a table of
2639 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2640 negation of where the condition IS allowed.
2641
8c841523
PH
2642PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2643
7766a4f0
PH
2644PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2645 header file does not have a version number, so I've had to invent a new
2646 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2647 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2648 radiusclient), but it was contributed by a Radius user.
2649
8b417f2c
PH
2650PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2651 files or directories, for OpenSSL.
2652
901f42cb
PH
2653PH/19 When an Exim process that is running as root has to create an Exim log
2654 file, it does so in a subprocess that runs as exim:exim so as to get the
2655 ownership right at creation (otherwise, other Exim processes might see
2656 the file with the wrong ownership). There was no test for failure of this
2657 fork() call, which would lead to the process getting stuck as it waited
2658 for a non-existent subprocess. Forks do occasionally fail when resources
2659 run out. I reviewed all the other calls to fork(); they all seem to check
2660 for failure.
2661
f9b9210e
PH
2662PH/20 When checking for unexpected SMTP input at connect time (before writing
2663 the banner), Exim was not dealing correctly with a non-positive return
2664 from the read() function. If the client had disconnected by this time,
2665 the result was a log entry for a synchronization error with an empty
2666 string after "input=" when read() returned zero. If read() returned -1
2667 (an event I could not check), uninitialized data bytes were printed.
2668 There were reports of junk text (parts of files, etc) appearing after
2669 "input=".
2670
54cdb463
PH
2671PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2672
cf00dad6
PH
2673PH/22 Added support for macro redefinition, and (re)definition in between
2674 driver and ACL definitions.
2675
acb1b346
PH
2676PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2677 forgetting to use the resulting value; it was using the unexpanded value.
2678
c5ddb310
PH
2679PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2680 hadn't been configured. The fix is from Juergen Kreileder, who
2681 understands it better than I do:
2682
2683 "Here's what I see happening with three configured cyrus_sasl
2684 authenticators configured (plain, login, cram-md5):
2685
2686 On startup auth_cyrus_sasl_init() gets called for each of these.
2687 This means three calls to sasl_listmech() without a specified mech_list.
2688 => SASL tests which mechs of all available mechs actually work
2689 => three warnings about OTP not working
2690 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2691
2692 With the patch, sasl_listmech() also gets called three times. But now
2693 SASL's mech_list option is set to the server_mech specified in the the
2694 authenticator. Or in other words, the answer from sasl_listmech()
2695 gets limited to just the mech you're testing for (which is different
2696 for each call.)
2697 => the return list contains just 'plain' or 'login', 'cram-md5' or
2698 nothing depending on the value of ob->server_mech.
2699
2700 I've just tested the patch: Authentication still works fine,
2701 unavailable mechs specified in the exim configuration are still
2702 caught, and the auth.log warnings about OTP are gone."
2703
31619da6
PH
2704PH/25 When debugging is enabled, the contents of the command line are added
2705 to the debugging output, even when log_selector=+arguments is not
2706 specified.
2707
bebaf0fc
PH
2708PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2709 answer is "GNU", and only if the return is "GNU/something" is the answer
2710 "Linux".
2711
475fe28a
PH
2712PH/27 $acl_verify_message is now set immediately after the failure of a
2713 verification in an ACL, and so is available in subsequent modifiers. In
2714 particular, the message can be preserved by coding like this:
2715
2716 warn !verify = sender
2717 set acl_m0 = $acl_verify_message
2718
2719 Previously, $acl_verify_message was set only while expanding "message"
2720 and "log_message" when a very denied access.
2721
7e8bec7a
PH
2722PH/28 Modified OS/os.c-Linux with
2723
2724 -#ifndef OS_LOAD_AVERAGE
2725 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2726
2727 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2728 nomenclature these days.)
2729
e4a89c47
PH
2730PH/29 Installed patch from the Sieve maintainer that adds the options
2731 sieve_useraddress and sieve_subaddress to the redirect router.
2732
5ca2a9a1
PH
2733PH/30 In these circumstances:
2734 . Two addresses routed to the same list of hosts;
2735 . First host does not offer TLS;
2736 . First host accepts first address;
2737 . First host gives temporary error to second address;
2738 . Second host offers TLS and a TLS session is established;
2739 . Second host accepts second address.
2740 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2741 and peerdn, if requested) that were in fact used only for the second
2742 address.
7e8bec7a 2743
c688b954
PH
2744PH/31 When doing a callout as part of verifying an address, Exim was not paying
2745 attention to any local part prefix or suffix that was matched by the
2746 router that accepted the address. It now behaves in the same way as it
2747 does for delivery: the affixes are removed from the local part unless
2748 rcpt_include_affixes is set on the transport.
2749
fed77020
PH
2750PH/32 Add the sender address, as F=<...>, to the log line when logging a
2751 timeout during the DATA phase of an incoming message.
2752
7fe1560f
PH
2753PH/33 Sieve envelope tests were broken for match types other than :is. I have
2754 applied a patch sanctioned by the Sieve maintainer.
c688b954 2755
ebb6e6d5
PH
2756PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2757 the uid or gid is negative. A case of a negative gid caused this to be
2758 noticed. The fix allows for either to be negative.
2759
9c4e8f60
PH
2760PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2761 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2762 overlooked.
2763
2764PH/36 The change PH/12 above was broken. Fixed it.
2765
d7174846
PH
2766PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2767 the grounds that routing the same address twice would always produce the
2768 same answer. This might have been true once, but it is certainly no
2769 longer true now. Routing a child address may depend on the previous
2770 routing that produced that child. Some complicated redirection strategies
2771 went wrong when messages had multiple recipients, and made Exim's
2772 behaviour dependent on the order in which the addresses were given.
2773
2774 I have moved the duplicate checking until after the routing is complete.
2775 Exim scans the addresses that are assigned to local and remote
2776 transports, and removes any duplicates. This means that more work will be
2777 done, as duplicates will always all be routed, but duplicates are
2778 presumably rare, so I don't expect this is of any significance.
2779
2780 For deliveries to pipes, files, and autoreplies, the duplicate checking
2781 still happens during the routing process, since they are not going to be
2782 routed further.
2783
cfe75fc3
PH
2784PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2785 It corrects a timeout issue with spamd. This is Ian's comment: "The
2786 background is that sometimes spamd either never reads data from a
2787 connection it has accepted, or it never writes response data. The exiscan
2788 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2789 blindly assumes that writes won't block so it may never time out."
2790
be22d70e
PH
2791PH/39 Allow G after quota size as well as K and M.
2792
0612b098
PH
2793PH/40 The value set for $authenticated_id in an authenticator may not contain
2794 binary zeroes or newlines because the value is written to log lines and
2795 to spool files. There was no check on this. Now the value is run through
2796 the string_printing() function so that such characters are converted to
2797 printable escape sequences.
2798
2e0c1448
PH
2799PH/41 $message_linecount is a new variable that contains the total number of
2800 lines in the message. Compare $body_linecount, which is the count for the
2801 body only.
2802
447d236c
PH
2803PH/42 Exim no longer gives details of delivery errors for specific addresses in
2804 bounce and delay warning messages, except in certain special cases, which
2805 are as follows:
2806
2807 (a) An SMTP error message from a remote host;
2808 (b) A message specified in a :fail: redirection;
2809 (c) A message specified in a "fail" command in a system filter;
2810 (d) A message specified in a FAIL return from the queryprogram router;
2811 (e) A message specified by the cannot_route_message router option.
2812
2813 In these cases only, Exim does include the error details in bounce and
2814 warning messages. There are also a few cases where bland messages such
2815 as "unrouteable address" or "local delivery error" are given.
2816
d20976dc
PH
2817PH/43 $value is now also set for the "else" part of a ${run expansion.
2818
f656d135
PH
2819PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2820 being worked on, but at least Exim now implements the latest version to
2821 play with."
2822
2e2a30b4
PH
2823PH/45 In a pipe transport, although a timeout while waiting for the pipe
2824 process to complete was treated as a delivery failure, a timeout while
2825 writing the message to the pipe was logged, but erroneously treated as a
2826 successful delivery. Such timeouts include transport filter timeouts. For
2827 consistency with the overall process timeout, these timeouts are now
2828 treated as errors, giving rise to delivery failures by default. However,
2829 there is now a new Boolean option for the pipe transport called
2830 timeout_defer, which, if set TRUE, converts the failures into defers for
2831 both kinds of timeout. A transport filter timeout is now identified in
2832 the log output.
2833
9176e9f0
PH
2834PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2835 systems where "make" and "gmake" are different, calling "gmake" at top
2836 level broke things. I've arranged for the value of $(MAKE) to be passed
2837 from the Makefile to this script so that it can call the same version of
2838 "make".
2839
7982096b 2840
bbe902f0
PH
2841A note about Exim versions 4.44 and 4.50
2842----------------------------------------
2843
2844Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2845changes of various kinds. As a consequence, a big documentation update was
2846needed. This delayed the release for rather longer than seemed good, especially
2847in the light of a couple of (minor) security issues. Therefore, the changes
2848that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2849release. So 4.44 and 4.50 are in effect two different branches that both start
2850from 4.43.
2851
2852I have left the 4.50 change log unchanged; it contains all the changes since
28534.43. The change log for 4.44 is below; many of its items are identical to
2854those for 4.50. This seems to be the most sensible way to preserve the
2855historical information.
2856
2857
f7b63901 2858Exim version 4.50
495ae4b0
PH
2859-----------------
2860
5fe762f6
PH
2861 1. Minor wording change to the doc/README.SIEVE file.
2862
139059f6 2863 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2864 computation of the current number of files was incorrect.
495ae4b0 2865
7086e875
PH
2866 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2867 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2868 place.
2869
35af9f61
PH
2870 4. Give more explanation in the error message when the command for a transport
2871 filter fails to execute.
2872
b668c215
PH
2873 5. There are several places where Exim runs a non-Exim command in a
2874 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2875 was being done only for the command run by the queryprogram router. It is
2876 now done for all such subprocesses. The other cases are: ${run, transport
2877 filters, and the commands run by the lmtp and pipe transports.
2878
a494b1e1
PH
2879 6. Added CONFIGURE_GROUP build-time option.
2880
2881 7. Some older OS have a limit of 256 on the maximum number of file
2882 descriptors. Exim was using setrlimit() to set 1000 as a large value
2883 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2884 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2885
c5fcb476
PH
2886 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2887 was an oversight, and furthermore, ever since the addition of extra
2888 controls (e.g. 4.43/32), the checks on when to allow different forms of
2889 "control" were broken. There should now be diagnostics for all cases when a
2890 control that does not make sense is encountered.
2891
69358f02
PH
2892 9. Added the /retain_sender option to "control=submission".
2893
5be20824
PH
289410. $recipients is now available in the predata ACL (oversight).
2895
eb2c0248
PH
289611. Tidy the search cache before the fork to do a delivery from a message
2897 received from the command line. Otherwise the child will trigger a lookup
2898 failure and thereby defer the delivery if it tries to use (for example) a
2899 cached ldap connection that the parent has called unbind on.
2900
2a3eea10
PH
290112. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2902 of $address_data from the recipient verification was clobbered by the
2903 sender verification.
2904
290513. The value of address_data from a sender verification is now available in
2906 $sender_address_data in subsequent conditions in the ACL statement.
2907
23c7ff99
PH
290814. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2909
4deaf07d
PH
291015. Added a new option "connect=<time>" to callout options, to set a different
2911 connection timeout.
2912
926e1192
PH
291316. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2914 was its contents. (It was OK if the option was not defined at all.)
2915
650edc6f
PH
291617. A "Completed" log line is now written for messages that are removed from
2917 the spool by the -Mrm option.
2918
2c7db3f5
PH
291918. New variables $sender_verify_failure and $recipient_verify_failure contain
2920 information about exactly what failed.
2921
3d235903
PH
292219. Added -dd to debug only the daemon process.
2923
7c7ad977
PH
292420. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2925 handles timeouts, both on the server side and network timeouts. Renamed the
2926 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2927
981756db
PH
292821. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2929 It is now set to "smtps".
2930
d4eb88df
PH
293122. $host_address is now set to the target address during the checking of
2932 ignore_target_hosts.
2933
293423. When checking ignore_target_hosts for an ipliteral router, no host name was
2935 being passed; this would have caused $sender_host_name to have been used if
2936 matching the list had actually called for a host name (not very likely,
2937 since this list is usually IP addresses). A host name is now passed as
2938 "[x.x.x.x]".
2939
7d468ab8
PH
294024. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2941 code that specifies a non-restarting handler (typically sigaction() in
2942 modern systems) in an attempt to fix a rare and obscure crash bug.
2943
294425. Narrowed the window for a race in the daemon that could cause it to ignore
2945 SIGCHLD signals. This is not a major problem, because they are used only to
2946 wake it up if nothing else does.
2947
62c0818f
PH
294826. A malformed maildirsize file could cause Exim to calculate negative values
2949 for the mailbox size or file count. Odd effects could occur as a result.
2950 The maildirsize information is now recalculated if the size or filecount
2951 end up negative.
2952
26034054
PH
295327. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2954 support for a long time. Removed HAVE_SYS_VFS_H.
2955
af66f652
PH
295628. Installed the latest version of exipick from John Jetmore.
2957
90af77f4
PH
295829. In an address list, if the pattern was not a regular expression, an empty
2959 subject address (from a bounce message) matched only if the pattern was an
2960 empty string. Non-empty patterns were not even tested. This was the wrong
2961 because it is perfectly reasonable to use an empty address as part of a
2962 database query. An empty address is now tested by patterns that are
2963 lookups. However, all the other forms of pattern expect the subject to
2964 contain a local part and a domain, and therefore, for them, an empty
2965 address still always fails if the pattern is not itself empty.
2966
d8ef3577
PH
296730. Exim went into a mad DNS loop when attempting to do a callout where the
2968 host was specified on an smtp transport, and looking it up yielded more
2969 than one IP address.
2970
5cb8cbc6
PH
297131. Re-factored the code for checking spool and log partition space into a
2972 function that finds that data and another that does the check. The former
2973 is then used to implement four new variables: $spool_space, $log_space,
2974 $spool_inodes, and $log_inodes.
2975
14702f5b
PH
297632. The RFC2047 encoding function was originally intended for short strings
2977 such as real names; it was not keeping to the 75-character limit for
2978 encoded words that the RFC imposes. It now respects the limit, and
2979 generates multiple encoded words if necessary. To be on the safe side, I
2980 have increased the buffer size for the ${rfc2047: expansion operator from
2981 1024 to 2048 bytes.
2982
063b1e99
PH
298333. It is now permitted to omit both strings after an "if" condition; if the
2984 condition is true, the result is "true". As before, when the second string
2985 is omitted, a false condition yields an empty string. This makes it less
2986 cumbersome to write custom ACL and router conditions.
2987
652e1b65
PH
298834. Failure to deliver a bounce message always caused it to be frozen, even if
2989 there was an errors_to setting on the router. The errors_to setting is now
2990 respected.
2991
6f0c9a4f
PH
299235. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2993 canonical form (fully expanded) before being placed in
2994 $sender_host_address.
2995
33397d19
PH
299636. The table in the code that translates DNS record types into text (T_A to
2997 "A" for instance) was missing entries for NS and CNAME. It is just possible
2998 that this could have caused confusion if both these types were looked up
2999 for the same domain, because the text type is used as part of Exim's
3000 per-process caching. But the chance of anyone hitting this buglet seems
3001 very small.
3002
7bb56e1f
PH
300337. The dnsdb lookup has been extended in a number of ways.
3004
3005 (1) There is a new type, "zns", which walks up the domain tree until it
3006 finds some nameserver records. It should be used with care.
3007
ea3bc19b
PH
3008 (2) There is a new type, "mxh", which is like "mx" except that it returns
3009 just the host names, not the priorities.
3010
3011 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
3012 looked up. The behaviour when one of the lookups defers can be
3013 controlled by a keyword.
7bb56e1f 3014
ea3bc19b 3015 (4) It is now possible to specify the separator character for use when
7bb56e1f 3016 multiple records are returned.
33397d19 3017
0bcb2a0e
PH
301838. The dnslists ACL condition has been extended: it is now possible to supply
3019 a list of IP addresses and/or domains to be looked up in a particular DNS
3020 domain.
3021
2ac0e484
PH
302239. Added log_selector=+queue_time_overall.
3023
4e1fde53
PH
302440. When running the queue in the test harness, wait just a tad after forking a
3025 delivery process, to get repeatability of debugging output.
3026
de365ded
PH
302741. Include certificate and key file names in error message when GnuTLS fails
3028 to set them up, because the GnuTLS error message doesn't include the name
3029 of the failing file when there is a problem reading it.
3030
f05da2e8
PH
303142. Allow both -bf and -bF in the same test run.
3032
d6453af2
PH
303343. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
3034
f7b63901
PH
303544. The "Exiscan patch" is now merged into the mainline Exim source.
3036
303745. Sometimes the final signoff response after QUIT could fail to get
3038 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3039 < 0 before doing a fflush(). This bug looks as though it goes back to the
3040 introduction of TLS in release 3.20, but "sometimes" must have been rare
3041 because the tests only now provoked it.
3042
a444213a
PH
304346. Reset the locale to "C" after calling embedded Perl, in case it was changed
3044 (this can affect the format of dates).
3045
0ec020ea
PH
304647. exim_tidydb, when checking for the continued existence of a message for
3047 which it has found a message-specific retry record, was not finding
3048 messages that were in split spool directories. Consequently, it was
3049 deleting retry records that should have stayed in existence.
3050
b1206957
PH
305148. Steve fixed some bugs in eximstats.
3052
305349. The SPA authentication driver was not abandoning authentication and moving
3054 on to the next authenticator when an expansion was forced to fail,
3055 contradicting the general specification for all authenticators. Instead it
3056 was generating a temporary error. It now behaves as specified.
3057
26dd5a95
PH
305850. The default ordering of permitted cipher suites for GnuTLS was pessimal
3059 (the order specifies the preference for clients). The order is now AES256,
3060 AES128, 3DES, ARCFOUR128.
3061
343b2385
PH
306251. Small patch to Sieve code - explicitly set From: when generating an
3063 autoreply.
3064
1c5466b9
PH
306552. Exim crashed if a remote delivery caused a very long error message to be
3066 recorded - for instance if somebody sent an entire SpamAssassin report back
3067 as a large number of 550 error lines. This bug was coincidentally fixed by
3068 increasing the size of one of Exim's internal buffers (big_buffer) that
3069 happened as part of the Exiscan merge. However, to be on the safe side, I
3070 have made the code more robust (and fixed the comments that describe what
3071 is going on).
3072
55ee9ee3
PH
307353. Now that there can be additional text after "Completed" in log lines (if
3074 the queue_time_overall log selector is set), a one-byte patch to exigrep
3075 was needed to allow it to recognize "Completed" as not the last thing in
3076 the line.
3077
d38f8232
PH
307854. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
3079 patch that reportedly fixes this has been added. I am not expert enough to
3080 create a test for it. This is what the patch creator wrote:
3081
3082 "I found a little strange behaviour of ldap code when working with
3083 Windows 2003 AD Domain, where users was placed in more than one
3084 Organization Units. When I tried to give exim partial DN, the exit code
3085 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
3086 But simultaneously result of request was absolutely normal ldap result,
3087 so I produce this patch..."
3088
3295e65b
PH
3089 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
3090 REFERENCE, so I have modified the code to exclude the patch when that macro
3091 is not defined.
3092
7102e136
PH
309355. Some experimental protocols are using DNS PTR records for new purposes. The
3094 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
3095 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3096 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 3097 CAN-2005-0021
7102e136 3098
3ca0ba97
PH
309956. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
3100
c2bcbe20
PH
310157. Double the size of the debug message buffer (to 2048) so that more of very
3102 long debug lines gets shown.
3103
18ce445d
PH
310458. The exicyclog utility now does better if the number of log files to keep
3105 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
3106
1f5b4c3d
PH
310759. Two changes related to the smtp_active_hostname option:
3108
3109 (1) $smtp_active_hostname is now available as a variable.
3110 (2) The default for smtp_banner uses $smtp_active_hostname instead
3111 of $primary_hostname.
3112
b975ba52
PH
311360. The host_aton() function is supposed to be passed a string that is known
3114 to be a valid IP address. However, in the case of IPv6 addresses, it was
3115 not checking this. This is a hostage to fortune. Exim now panics and dies
3116 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
3117 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3118 components; fortuitously, this particular loophole had already been fixed
3119 by change 4.50/55 above.
3120
3121 If there are any other similar loopholes, the new check in host_aton()
3122 itself should stop them being exploited. The report I received stated that
3123 data on the command line could provoke the exploit when Exim was running as
3124 exim, but did not say which command line option was involved. All I could
3125 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3126 running as the user.
ea3a6f44 3127 CAN-2005-0021
85b87bc2
PH
3128
312961. There was a buffer overflow vulnerability in the SPA authentication code
3130 (which came originally from the Samba project). I have added a test to the
3131 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 3132 CAN-2005-0022
b975ba52 3133
17ffcae7
PH
313462. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
3135 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
3136
d95f9fdb
PH
313763. The daemon start-up calls getloadavg() while still root for those OS that
3138 need the first call to be done as root, but it missed one case: when
3139 deliver_queue_load_max is set with deliver_drop_privilege. This is
3140 necessary for the benefit of the queue runner, because there is no re-exec
3141 when deliver_drop_privilege is set.
3142
86b8287f
PH
314364. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
3144 This has been fixed.
3145
60dc5e56
PH
314665. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3147 was in use, was not putting the data itself into the right store pool;
3148 consequently, it could be overwritten for a subsequent message in the same
3149 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3150 the caching.)
3151
533244af
PH
315266. Added hosts_max_try_hardlimit to the smtp transport, default 50.
3153
a5a28604
PH
315467. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
3155 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
3156 the function were treating the return as a boolean value, which happened to
3157 work because 0=false and not-0=true, but is not correct code.
3158
7e634d24
PH
315968. The host_aton() function was not handling scoped IPv6 addresses (those
3160 with, for example, "%eth0" on the end) correctly.
3161
3e11c26b
PH
316269. Fixed some compiler warnings in acl.c for the bitmaps specified with
3163 negated items (that is, ~something) in unsigned ints. Some compilers
3164 apparently mutter when there is no cast.
3165
6729cf78
PH
316670. If an address verification called from an ACL failed, and did not produce a
3167 user-specific message (i.e. there was only a "system" message), nothing was
3168 put in $acl_verify_message. In this situation, it now puts the system
3169 message there.
3170
00f00ca5
PH
317171. Change 4.23/11 added synchronization checking at the start of an SMTP
3172 session; change 4.31/43 added the unwanted input to the log line - except
3173 that it did not do this in the start of session case. It now does.
3174
c9bdd01c
PH
317572. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
3176 This is wrong and can cause the other end to generate a synchronization
3177 error if it is another Exim or anything else that does the synchronization
3178 check. A QUIT command is no longer sent after a timeout.
3179
d43194df
PH
318073. $host_lookup_deferred has been added, to make it easier to detect DEFERs
3181 during host lookups.
3182
fe5b5d0b
PH
318374. The defer_ok option of callout verification was not working if it was used
3184 when verifying addresses in header lines, that is, for this case:
3185
3186 verify = header_sender/callout=defer_ok
3187
76a2d7ba
PH
318875. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
3189 those file descriptors could be used for SMTP connections. If anything
3190 wrote to stderr (the example that came up was "warn" in embedded Perl), it
3191 could be sent to the SMTP client, causing chaos. The daemon now opens
3192 stdin, stdout, and stderr to /dev/null when it puts itself into the
3193 background.
3194
319576. Arrange for output from Perl's "warn" command to be written to Exim's main
3196 log by default. The user can override this with suitable Perl magic.
3197
04f7d5b9
PH
319877. The use of log_message on a "discard" ACL verb, which is supposed to add to
3199 the log message when discard triggers, was not working for the DATA ACL or
3200 for the non-SMTP ACL.
3201
bc60667e
PH
320278. Error message wording change in sieve.c.
3203
bb6e88ff
PH
320479. If smtp_accept_max_per_host was set, the number of connections could be
3205 restricted to fewer than expected, because the daemon was trying to set up
3206 a new connection before checking whether the processes handling previous
3207 connections had finished. The check for completed processes is now done
3208 earlier. On busy systems, this bug wouldn't be noticed because something
3209 else would have woken the daemon, and it would have reaped the completed
3210 process earlier.
3211
1e70f85b
PH
321280. If a message was submitted locally by a user whose login name contained one
3213 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
3214 It caused a spool format error. I have fixed the spool reading code. A
3215 related problem was that the "from" clause in the Received: line became
3216 illegal because of the space(s). It is now covered by ${quote_local_part.
3217
321881. Included the latest eximstats from Steve (adds average sizes to HTML Top
3219 tables).
3220
4e01f9d6
PH
322182. Updated OS/Makefile-AIX as per message from Mike Meredith.
3222
1ee1cef2
PH
322383. Patch from Sieve maintainer to fix unterminated string problem in
3224 "vacation" handling.
3225
6e2b4ccc
PH
322684. Some minor changes to the Linux configuration files to help with other
3227 OS variants using glibc.
3228
8e669ac1
PH
322985. One more patch for Sieve to update vacation handling to latest spec.
3230
495ae4b0 3231
bbe902f0
PH
3232----------------------------------------------------
3233See the note above about the 4.44 and 4.50 releases.
3234----------------------------------------------------
3235
3236
3237Exim version 4.44
3238-----------------
3239
3240 1. Change 4.43/35 introduced a bug that caused file counts to be
3241 incorrectly computed when quota_filecount was set in an appendfile
3242 transport
3243
3244 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
3245 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
3246 place.
3247
3248 3. Give more explanation in the error message when the command for a transport
3249 filter fails to execute.
3250
3251 4. There are several places where Exim runs a non-Exim command in a
3252 subprocess. The SIGUSR1 signal should be disabled for these processes. This
3253 was being done only for the command run by the queryprogram router. It is
3254 now done for all such subprocesses. The other cases are: ${run, transport
3255 filters, and the commands run by the lmtp and pipe transports.
3256
3257 5. Some older OS have a limit of 256 on the maximum number of file
3258 descriptors. Exim was using setrlimit() to set 1000 as a large value
3259 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
3260 systems. I've change it so that if it can't get 1000, it tries for 256.
3261
3262 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
3263 was an oversight, and furthermore, ever since the addition of extra
3264 controls (e.g. 4.43/32), the checks on when to allow different forms of
3265 "control" were broken. There should now be diagnostics for all cases when a
3266 control that does not make sense is encountered.
3267
3268 7. $recipients is now available in the predata ACL (oversight).
3269
3270 8. Tidy the search cache before the fork to do a delivery from a message
3271 received from the command line. Otherwise the child will trigger a lookup
3272 failure and thereby defer the delivery if it tries to use (for example) a
3273 cached ldap connection that the parent has called unbind on.
3274
3275 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
3276 of $address_data from the recipient verification was clobbered by the
3277 sender verification.
3278
327910. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
3280 was its contents. (It was OK if the option was not defined at all.)
3281
328211. A "Completed" log line is now written for messages that are removed from
3283 the spool by the -Mrm option.
3284
328512. $host_address is now set to the target address during the checking of
3286 ignore_target_hosts.
3287
328813. When checking ignore_target_hosts for an ipliteral router, no host name was
3289 being passed; this would have caused $sender_host_name to have been used if
3290 matching the list had actually called for a host name (not very likely,
3291 since this list is usually IP addresses). A host name is now passed as
3292 "[x.x.x.x]".
3293
329414. Changed the calls that set up the SIGCHLD handler in the daemon to use the
3295 code that specifies a non-restarting handler (typically sigaction() in
3296 modern systems) in an attempt to fix a rare and obscure crash bug.
3297
329815. Narrowed the window for a race in the daemon that could cause it to ignore
3299 SIGCHLD signals. This is not a major problem, because they are used only to
3300 wake it up if nothing else does.
3301
330216. A malformed maildirsize file could cause Exim to calculate negative values
3303 for the mailbox size or file count. Odd effects could occur as a result.
3304 The maildirsize information is now recalculated if the size or filecount
3305 end up negative.
3306
330717. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
3308 support for a long time. Removed HAVE_SYS_VFS_H.
3309
ea3a6f44 331018. Updated exipick to current release from John Jetmore.
bbe902f0
PH
3311
331219. Allow an empty sender to be matched against a lookup in an address list.
3313 Previously the only cases considered were a regular expression, or an
3314 empty pattern.
3315
331620. Exim went into a mad DNS lookup loop when doing a callout where the
3317 host was specified on the transport, if the DNS lookup yielded more than
3318 one IP address.
3319
ea3a6f44
NM
332021. The RFC2047 encoding function was originally intended for short strings
3321 such as real names; it was not keeping to the 75-character limit for
3322 encoded words that the RFC imposes. It now respects the limit, and
3323 generates multiple encoded words if necessary. To be on the safe side, I
3324 have increased the buffer size for the ${rfc2047: expansion operator from
3325 1024 to 2048 bytes.
bbe902f0 3326
ea3a6f44
NM
332722. Failure to deliver a bounce message always caused it to be frozen, even if
3328 there was an errors_to setting on the router. The errors_to setting is now
3329 respected.
bbe902f0
PH
3330
333123. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3332 canonical form (fully expanded) before being placed in
3333 $sender_host_address.
3334
333524. Updated eximstats to version 1.33
3336
ea3a6f44
NM
333725. Include certificate and key file names in error message when GnuTLS fails
3338 to set them up, because the GnuTLS error message doesn't include the name
3339 of the failing file when there is a problem reading it.
bbe902f0
PH
3340
334126. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3342 As per change 25.
bbe902f0 3343
ea3a6f44
NM
334427. Reset the locale to "C" after calling embedded Perl, in case it was changed
3345 (this can affect the format of dates).
bbe902f0 3346
ea3a6f44
NM
334728. exim_tidydb, when checking for the continued existence of a message for
3348 which it has found a message-specific retry record, was not finding
3349 messages that were in split spool directories. Consequently, it was
3350 deleting retry records that should have stayed in existence.
bbe902f0
PH
3351
335229. eximstats updated to version 1.35
3353 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3354 1.35 - bugfix such that pie charts by volume are generated correctly
3355
ea3a6f44
NM
335630. The SPA authentication driver was not abandoning authentication and moving
3357 on to the next authenticator when an expansion was forced to fail,
3358 contradicting the general specification for all authenticators. Instead it
3359 was generating a temporary error. It now behaves as specified.
bbe902f0 3360
ea3a6f44
NM
336131. The default ordering of permitted cipher suites for GnuTLS was pessimal
3362 (the order specifies the preference for clients). The order is now AES256,
3363 AES128, 3DES, ARCFOUR128.
bbe902f0 3364
ea3a6f44
NM
336531. Small patch to Sieve code - explicitly set From: when generating an
3366 autoreply.
bbe902f0 3367
ea3a6f44
NM
336832. Exim crashed if a remote delivery caused a very long error message to be
3369 recorded - for instance if somebody sent an entire SpamAssassin report back
3370 as a large number of 550 error lines. This bug was coincidentally fixed by
3371 increasing the size of one of Exim's internal buffers (big_buffer) that
3372 happened as part of the Exiscan merge. However, to be on the safe side, I
3373 have made the code more robust (and fixed the comments that describe what
3374 is going on).
bbe902f0 3375
ea3a6f44
NM
337633. Some experimental protocols are using DNS PTR records for new purposes. The
3377 keys for these records are domain names, not reversed IP addresses. The
3378 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3379 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3380 CAN-2005-0021
3381
ea3a6f44
NM
338234. The host_aton() function is supposed to be passed a string that is known
3383 to be a valid IP address. However, in the case of IPv6 addresses, it was
3384 not checking this. This is a hostage to fortune. Exim now panics and dies
3385 if the condition is not met. A case was found where this could be provoked
3386 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3387 components; fortuitously, this particular loophole had already been fixed
3388 by change 4.50/55 or 4.44/33 above.
3389
3390 If there are any other similar loopholes, the new check in host_aton()
3391 itself should stop them being exploited. The report I received stated that
3392 data on the command line could provoke the exploit when Exim was running as
3393 exim, but did not say which command line option was involved. All I could
3394 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3395 running as the user.
bbe902f0
PH
3396 CAN-2005-0021
3397
ea3a6f44
NM
339835. There was a buffer overflow vulnerability in the SPA authentication code
3399 (which came originally from the Samba project). I have added a test to the
3400 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3401 CAN-2005-0022
3402
ea3a6f44
NM
340336. The daemon start-up calls getloadavg() while still root for those OS that
3404 need the first call to be done as root, but it missed one case: when
3405 deliver_queue_load_max is set with deliver_drop_privilege. This is
3406 necessary for the benefit of the queue runner, because there is no re-exec
3407 when deliver_drop_privilege is set.
bbe902f0 3408
ea3a6f44
NM
340937. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3410 was in use, was not putting the data itself into the right store pool;
3411 consequently, it could be overwritten for a subsequent message in the same
3412 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3413 the caching.)