BugZilla 1006 - recommit patch from Micha Lenk
[exim.git] / doc / doc-txt / ChangeLog
CommitLineData
5dc43717 1$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.632 2010/06/12 15:21:25 jetmore Exp $
495ae4b0
PH
2
3Change log file for Exim from version 4.21
4-------------------------------------------
5
aa097c4c
NM
6Exim version 4.75
7-----------------
8
9NM/01 Workround for PCRE version dependancy in version reporting
10 Bugzilla 1073
11
7f3d9eff
TF
12TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
13 This fixes portability to compilers other than gcc, notably
14 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
15
159f52d2
TF
16TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
17 makefiles for portability to HP-UX and POSIX correctness.
18
0cc9542a
PP
19PP/01 Permit LOOKUP_foo enabling on the make command-line.
20 Also via indented variable definition in the Makefile.
21 (Debugging by Oliver Heesakkers).
22
f7274286
PP
23PP/02 Restore caching of spamd results with expanded spamd_address.
24 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
25
7b797365
PP
26PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
27 Improves build reliability. Fix from: Frank Elsner
28
caacae52
NM
29NM/02 Fix wide character breakage in the rfc2047 coding
30 Fixes bug 1064. Patch from Andrey N. Oktyabrski
31
09dcaba9
NM
32NM/03 Allow underscore in dnslist lookups
33 Fixes bug 1026. Patch from Graeme Fowler
34
bc19a55b
PP
35PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
36 Code patches from Adam Ciarcinski of NetBSD.
caacae52 37
bd4c9759
NM
38NM/04 Fixed exiqgrep to cope with mailq missing size issue
39 Fixes bug 943.
40
b72aab72
PP
41PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
42 is logged, to avoid truncation. Patch from John Horne.
43
2fe76745
PP
44PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
45 Patch from Jakob Hirsch.
46
76aa570c
PP
47PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
48 SQL string expansion failure details.
49 Patch from Andrey Oktyabrski.
50
f1e5fef5
PP
51PP/08 Bugzilla 486: implement %M datestamping in log filenames.
52 Patch from Simon Arlott.
53
4d805ee9
PP
54PP/09 New lookups functionality failed to compile on old gcc which rejects
55 extern declarations in function scope.
56 Patch from Oliver Fleischmann
57
aa097c4c 58
8c07b69f
TF
59Exim version 4.74
60-----------------
61
62TF/01 Failure to get a lock on a hints database can have serious
63 consequences so log it to the panic log.
64
c0ea85ab
TF
65TF/02 Log LMTP confirmation messages in the same way as SMTP,
66 controlled using the smtp_confirmation log selector.
67
0761d44e
TF
68TF/03 Include the error message when we fail to unlink a spool file.
69
0a349494
PP
70DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
71 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
72 for maintaining out-of-tree patches for some time.
73
74PP/01 Bugzilla 139: Documentation and portability issues.
75 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
76 Handle per-OS dynamic-module compilation flags.
77
fea24b2e
PP
78PP/02 Let /dev/null have normal permissions.
79 The 4.73 fixes were a little too stringent and complained about the
80 permissions on /dev/null. Exempt it from some checks.
81 Reported by Andreas M. Kirchwitz.
82
6545de78
PP
83PP/03 Report version information for many libraries, including
84 Exim version information for dynamically loaded libraries. Created
85 version.h, now support a version extension string for distributors
86 who patch heavily. Dynamic module ABI change.
87
1670ef10
PP
88PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
89 privilege escalation vulnerability whereby the Exim run-time user
90 can cause root to append content of the attacker's choosing to
91 arbitrary files.
92
c0886197
PP
93PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
94 (Wolfgang Breyha)
95
b7487bce
PP
96PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
97 If dropping privileges for untrusted macros, we disabled normal logging
98 on the basis that it would fail; for the Exim run-time user, this is not
99 the case, and it resulted in successful deliveries going unlogged.
100 Fixed. Reported by Andreas Metzler.
101
8c07b69f 102
97fd1e48 103Exim version 4.73
ed7f7860 104-----------------
97fd1e48
PP
105
106PP/01 Date: & Message-Id: revert to normally being appended to a message,
107 only prepend for the Resent-* case. Fixes regression introduced in
108 Exim 4.70 by NM/22 for Bugzilla 607.
109
6901c596
PP
110PP/02 Include check_rfc2047_length in configure.default because we're seeing
111 increasing numbers of administrators be bitten by this.
112
a8c8d6b5
JJ
113JJ/01 Added DISABLE_DKIM and comment to src/EDITME
114
77bb000f
PP
115PP/03 Bugzilla 994: added openssl_options main configuration option.
116
a29e5231
PP
117PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
118
ec5a0394 119PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 120
55c75993
PP
121PP/06 Adjust NTLM authentication to handle SASL Initial Response.
122
453a6645 123PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
124 without a peer certificate, leading to a segfault because of an
125 assumption that peers always have certificates. Be a little more
453a6645
PP
126 paranoid. Problem reported by Martin Tscholak.
127
8544e77a
PP
128PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
129 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
130 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
131 CL also introduces -bmalware, various -d+acl logging additions and
132 more caution in buffer sizes.
8544e77a 133
83e029d5
PP
134PP/09 Implemented reverse_ip expansion operator.
135
ed7f7860
PP
136PP/10 Bugzilla 937: provide a "debug" ACL control.
137
7d9f747b
PP
138PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
139
4b2241d2
PP
140PP/12 Bugzilla 973: Implement --version.
141
10385c15
PP
142PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
143
dbc4b90d
PP
144PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
145
532be449
PP
146PP/15 Bugzilla 816: support multiple condition rules on Routers.
147
6a8de854 148PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
149 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
150 ignore trailing whitespace.
6a8de854 151
5dc43717
JJ
152JJ/02 prevent non-panic DKIM error from being sent to paniclog
153
154JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
155 "exim" to be used
55c75993 156
3346ab01
PP
157PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
158 Notification from Dr Andrew Aitchison.
159
491fab4c
PP
160PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
161 ExtendedDetectionInfo response format.
162 Notification from John Horne.
163
13eb9497
PP
164PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
165 compatible.
166
167PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
168 XSL and documented dependency on system catalogs, with examples of how
169 it normally works.
170
7f36d675
DW
171DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
172 access.
173
c1d94452
DW
174DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
175 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
176 configuration file which is writeable by the Exim user or group.
177
e2f5dc15
DW
178DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
179 of configuration files to cover files specified with the -C option if
180 they are going to be used with root privileges, not just the default
181 configuration file.
182
cd25e41d
DW
183DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
184 option (effectively making it always true).
185
261dc43e
DW
186DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
187 files to be used while preserving root privileges.
188
fa32850b
DW
189DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
190 that rogue child processes cannot use them.
191
79d4bc3d
PP
192PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
193 run-time user, instead of root.
194
2cfd3221
PP
195PP/28 Add WHITELIST_D_MACROS option to let some macros be overriden by the
196 Exim run-time user without dropping privileges.
197
fb08281f
DW
198DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
199 result string, instead of calling string_vformat() twice with the same
200 arguments.
3346ab01 201
74935b98
DW
202DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
203 for other users. Others should always drop root privileges if they use
204 -C on the command line, even for a whitelisted configure file.
205
90b6341f
DW
206DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
207
57730b52
ML
208NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
209
66581d1e 210
465e92cf
JJ
211Exim version 4.72
212-----------------
213
453a6645
PP
214JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
215 $data_path, and $header_path variables; fixed documentation bugs and
216 typos
465e92cf 217
453a6645
PP
218JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
219 exipick to access non-standard spools, including the "frozen" queue
220 (Finput)
edae0343 221
9bd3e22c
NM
222NM/01 Bugzilla 965: Support mysql stored procedures.
223 Patch from Alain Williams
224
bb576ff7
NM
225NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
226
5a1a5845
NM
227NM/03 Bugzilla 955: Documentation fix for max_rcpts.
228 Patch from Andreas Metzler
229
981a9fad
NM
230NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
231 Patch from Kirill Miazine
232
7fc497ee
NM
233NM/05 Bugzilla 671: Added umask to procmail example.
234
1a41defa
JJ
235JJ/03 installed exipick 20100323.0, fixing doc bug
236
a466095c 237NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 238 directory. Notification and patch from Dan Rosenberg.
a466095c 239
94a6bd0b
NM
240TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
241
242TK/02 Improve log output when DKIM signing operation fails.
243
244MH/01 Treat the transport option dkim_domain as a colon separated
245 list, not as a single string, and sign the message with each element,
246 omitting multiple occurences of the same signer.
247
c1b141a8
NM
248NM/07 Null terminate DKIM strings, Null initialise DKIM variable
249 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 250
b26eacf1 251NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
252 Patch by Simon Arlott
253
179c5980 254PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 255 MBX locking. Notification from Dan Rosenberg.
179c5980 256
9bd3e22c 257
7c6d71af
NM
258Exim version 4.71
259-----------------
260
7d9f747b 261TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 262
f013fb92
NM
263NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
264
0eb8eedd
NM
265NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
266
663ee6d9
NM
267NM/03 Bugzilla 847: Enable DNSDB lookup by default.
268
177ebd9b
NM
269NM/04 Bugzilla 915: Flag broken perl installation during build.
270
7c6d71af 271
210f147e
NM
272Exim version 4.70
273-----------------
274
cdd3bb85 275TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 276 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
277
278TK/02 Write list of recipients to X-Envelope-Sender header when building
279 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 280 Hirsch).
cdd3bb85
TK
281
282TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
283 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 284 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
285
286TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
287 by Mark Daniel Reidel <mr@df.eu>.
288
210f147e
NM
289NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
290 When building exim an external PCRE library is now needed -
291 PCRE is a system library on the majority of modern systems.
292 See entry on PCRE_LIBS in EDITME file.
293
deafd5b3
NM
294NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
295 conversation. Added nologin parameter to request.
7d9f747b 296 Patch contributed by Kirill Miazine.
deafd5b3 297
089793a4
TF
298TF/01 Do not log submission mode rewrites if they do not change the address.
299
5f16ca82
TF
300TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
301
dae9d94e 302NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 303 log files in place. Contributed by Roberto Lima.
dae9d94e 304
7d9f747b 305NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 306
06864c44
TF
307TF/03 Bugzilla 615: When checking the local_parts router precondition
308 after a local_part_suffix or local_part_prefix option, Exim now
309 does not use the address's named list lookup cache, since this
310 contains cached lookups for the whole local part.
311
65a7d8c3 312NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 313 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 314
23510047 315TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 316
7d9f747b 317NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 318
7d8eec3a 319NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 320 Patch provided by Jan Srzednicki.
6c588e74 321
89dec7b6
TF
322TF/05 Leading white space used to be stripped from $spam_report which
323 wrecked the formatting. Now it is preserved.
5f28a6e8 324
a99de90c
TF
325TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
326 that they are available at delivery time.
327
e2803e40
TF
328TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
329
7199e1ee
TF
330TF/08 TLS error reporting now respects the incoming_interface and
331 incoming_port log selectors.
332
e276e04b
TF
333TF/09 Produce a more useful error message if an SMTP transport's hosts
334 setting expands to an empty string.
335
ce552449 336NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 337 Patch provided by Phil Pennock.
ce552449 338
e765a0f1 339NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 340 Patch provided by Richard Godbee.
e765a0f1 341
4f054c63 342NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 343 acl_smtp_notquit, added index entry.
4f054c63 344
7d9f747b
PP
345NM/09 Bugzilla 787: Potential buffer overflow in string_format.
346 Patch provided by Eugene Bujak.
24c929a2 347
7d9f747b
PP
348NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
349 accept(). Patch provided by Maxim Dounin.
cf73943b 350
b52bc06e 351NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 352 Patch provided by Phil Pennock.
b52bc06e 353
447de4b0
NM
354NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
355
4c69d561 356NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 357 Patch provided by Brad "anomie" Jorsch.
4c69d561 358
d5c39246 359NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 360 Patch provided by Dean Brooks.
9b989985 361
0b23848a
TK
362TK/05 Add native DKIM support (does not depend on external libraries).
363
8f3414a1 364NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 365 Patch provided by Graeme Fowler.
e2aacdfd 366
fb6f955d
NM
367NM/16 Bugzilla 851: Documentation example syntax fix.
368
369NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 370
7d9f747b
PP
371NM/18 Bugzilla 894: Fix issue with very long lines including comments in
372 lsearch.
dbb0bf41 373
7d9f747b
PP
374NM/19 Bugzilla 745: TLS version reporting.
375 Patch provided by Phil Pennock.
f3766eb5 376
7d9f747b
PP
377NM/20 Bugzilla 167: bool: condition support.
378 Patch provided by Phil Pennock.
36f12725 379
7d9f747b
PP
380NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
381 clients. Patch provided by Phil Pennock.
e6060e2c 382
7d9f747b
PP
383NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
384 Patch provided by Brad "anomie" Jorsch.
5eb690a1 385
7d9f747b
PP
386NM/23 Bugzilla 687: Fix misparses in eximstats.
387 Patch provided by Heiko Schlittermann.
d5c13d66 388
7d9f747b
PP
389NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
390 Patch provided by Heiko Schlittermann.
b2335c0b 391
7d9f747b 392NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 393 plus update to original patch.
f4cd9433 394
7d9f747b 395NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 396
7d9f747b
PP
397NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
398 Patch provided by David Brownlee.
8dc71ab3 399
7d9f747b 400NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 401
7d9f747b 402NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 403
7d9f747b 404NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 405
7d9f747b 406NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 407
17792b53 408NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 409 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 410
7d9f747b
PP
411NM/33 Bugzilla 898: Transport filter timeout fix.
412 Patch by Todd Rinaldo.
52383f8f 413
7d9f747b
PP
414NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
415 Patch by Serge Demonchaux.
5ca6d115 416
7d9f747b
PP
417NM/35 Bugzilla 39: Base64 decode bug fixes.
418 Patch by Jakob Hirsch.
baee9eee 419
7d9f747b 420NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 421
7d9f747b 422NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 423
7d9f747b 424NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 425
7d9f747b 426NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 427
deafd5b3 428
47db1125
NM
429Exim version 4.69
430-----------------
431
4b3504d0
TK
432TK/01 Add preliminary DKIM support. Currently requires a forked version of
433 ALT-N's libdkim that I have put here:
434 http://duncanthrax.net/exim-experimental/
435
436 Note to Michael Haardt: I had to rename some vars in sieve.c. They
437 were called 'true' and it seems that C99 defines that as a reserved
438 keyword to be used with 'bool' variable types. That means you could
439 not include C99-style headers which use bools without triggering
440 build errors in sieve.c.
441
81ea09ca
NM
442NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
443 as mailq or other aliases. Changed the --help handling significantly
444 to do whats expected. exim_usage() emits usage/help information.
445
f13cddcb
SC
446SC/01 Added the -bylocaldomain option to eximstats.
447
7d9f747b 448NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 449
7d9f747b 450NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 451
7d9f747b 452NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
453
454
eb4c0de6
PH
455Exim version 4.68
456-----------------
457
458PH/01 Another patch from the Sieve maintainer.
459
6a3bceb1
PH
460PH/02 When an IPv6 address is converted to a string for single-key lookup
461 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
462 dots are used instead of colons so that keys in lsearch files need not
463 contain colons. This was done some time before quoting was made available
464 in lsearch files. However, iplsearch files do require colons in IPv6 keys
465 (notated using the quote facility) so as to distinguish them from IPv4
466 keys. This meant that lookups for IP addresses in host lists did not work
467 for iplsearch lookups.
468
469 This has been fixed by arranging for IPv6 addresses to be expressed with
470 colons if the lookup type is iplsearch. This is not incompatible, because
471 previously such lookups could never work.
472
473 The situation is now rather anomolous, since one *can* have colons in
474 ordinary lsearch keys. However, making the change in all cases is
475 incompatible and would probably break a number of configurations.
476
2e30fa9d
TK
477TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
478 version.
479
0806a9c5
MH
480MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
481 conversion specification without a maximum field width, thereby enabling
482 a rogue spamd server to cause a buffer overflow. While nobody in their
483 right mind would setup Exim to query an untrusted spamd server, an
484 attacker that gains access to a server running spamd could potentially
485 exploit this vulnerability to run arbitrary code as the Exim user.
486
ae276964
TK
487TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
488 $primary_hostname instead of what libspf2 thinks the hosts name is.
489
0f2cbd1b
MH
490MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
491 a directory entry by the name of the lookup key. Previously, if a
492 symlink pointed to a non-existing file or a file in a directory that
493 Exim lacked permissions to read, a lookup for a key matching that
494 symlink would fail. Now it is enough that a matching directory entry
495 exists, symlink or not. (Bugzilla 503.)
496
2b85bce7
PH
497PH/03 The body_linecount and body_zerocount variables are now exported in the
498 local_scan API.
499
93655c46
PH
500PH/04 Added the $dnslist_matched variable.
501
6c512171
PH
502PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
503 This means they are set thereafter only if the connection becomes
504 encrypted.
505
506PH/06 Added the client_condition to authenticators so that some can be skipped
507 by clients under certain conditions.
508
aa6dc513
PH
509PH/07 The error message for a badly-placed control=no_multiline_responses left
510 "_responses" off the end of the name.
511
a96603a0
PH
512PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
513
8f240103
PH
514PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
515 (without spaces) instead of just copying the configuration text.
516
517PH/10 Added the /noupdate option to the ratelimit ACL condition.
518
d677b2f2
PH
519PH/11 Added $max_received_linelength.
520
d52120f2
PH
521PH/12 Added +ignore_defer and +include_defer to host lists.
522
64f2600a
PH
523PH/13 Installed PCRE version 7.2. This needed some changes because of the new
524 way in which PCRE > 7.0 is built.
525
8669f003
PH
526PH/14 Implemented queue_only_load_latch.
527
a4dc33a8
PH
528PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
529 MAIL command. The effect was to mangle the value on 64-bit systems.
530
d6a60c0f
PH
531PH/16 Another patch from the Sieve maintainer.
532
8f128379
PH
533PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
534
8932dffe
PH
535PH/18 If a system quota error occurred while trying to create the file for
536 a maildir delivery, the message "Mailbox is full" was not appended to the
537 bounce if the delivery eventually timed out. Change 4.67/27 below applied
538 only to a quota excession during the actual writing of the file.
d6a60c0f 539
ddea74fa 540PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
541 characters?) which causes problems in log lines. The DN values are now
542 passed through string_printing() before being added to log lines.
543
ddea74fa 544PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
545 and InterBase are left for another time.)
546
ddea74fa
PH
547PH/21 Added message_body_newlines option.
548
ce9f225c
PH
549PH/22 Guard against possible overflow in moan_check_errorcopy().
550
19897d52
PH
551PH/23 POSIX allows open() to be a macro; guard against that.
552
bc64a74d
PH
553PH/24 If the recipient of an error message contained an @ in the local part
554 (suitably quoted, of course), incorrect values were put in $domain and
555 $local_part during the evaluation of errors_copy.
556
eb4c0de6 557
b4ed4da0
PH
558Exim version 4.67
559-----------------
560
22ad45c9
MH
561MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
562 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
563 Jan Srzednicki.
564
b4ed4da0
PH
565PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
566 issue a MAIL command.
567
431b7361
PH
568PH/02 In an ACL statement such as
569
570 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
571
572 if a client was not listed at all, or was listed with a value other than
573 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
574 the condition was not true (as it should be), so access was not denied.
575 The bug was that the ! inversion was incorrectly passed on to the second
576 item. This has been fixed.
577
578PH/03 Added additional dnslists conditions == and =& which are different from
579 = and & when the dns lookup returns more than one IP address.
580
83da1223
PH
581PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
582 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
583
54fc8428
PH
584PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
585 FSYNC, which compiles an option called disable_fsync that allows for
586 bypassing fsync(). The documentation is heavily laced with warnings.
587
34c5e8dd
SC
588SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
589
bbe15da8
PH
590PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
591 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
592 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
593 including adding "make clean"; (3) Added -fPIC when compiling the test
594 dynamically loaded module, to get rid of a warning.
595
0e8a9471
MH
596MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
597 message fails, move_frozen_messages = true and ignore_bounce_errors_after
598 = 0s. The bug is otherwise harmless.
599
f0872424
PH
600PH/07 There was a bug in the dovecot authenticator such that the value of
601 $auth1 could be overwritten, and so not correctly preserved, after a
602 successful authentication. This usually meant that the value preserved by
603 the server_setid option was incorrect.
604
b01dd148
PH
605PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
606
6bf342e1
PH
607PH/09 Installed PCRE release 7.0.
608
273f34d0
PH
609PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
610 run for batched SMTP input. It is now run at the start of every message
611 in the batch. While fixing this I discovered that the process information
612 (output by running exiwhat) was not always getting set for -bs and -bS
613 input. This is fixed, and it now also says "batched" for BSMTP.
614
cf8b11a5
PH
615PH/11 Added control=no_pipelining.
616
41c7c167
PH
617PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
618 patch, slightly modified), and move the expansion of helo_data till after
619 the connection is made in the smtp transport (so it can use these
620 values).
621
9c57cbc0
PH
622PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
623
f3f065bb
PH
624PH/14 Added log_selector = +pid.
625
047bdd8c
PH
626PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
627
0ce9abe6
PH
628PH/16 Add ${if forany and ${if forall.
629
0e22dfd1
PH
630PH/17 Added dsn_from option to vary the From: line in DSNs.
631
4c590bd1
PH
632PH/18 Flush SMTP output before performing a callout, unless control =
633 no_callout_flush is set.
634
09945f1e
PH
635PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
636 was true (the default) a successful delivery failed to delete the retry
637 item, thus causing premature timeout of the address. The bug is now
638 fixed.
639
c51b8e75
PH
640PH/20 Added hosts_avoid_pipelining to the smtp transport.
641
e28326d8
PH
642PH/21 Long custom messages for fakedefer and fakereject are now split up
643 into multiline reponses in the same way that messages for "deny" and
644 other ACL rejections are.
645
75b1493f
PH
646PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
647 with slight modification.
648
7c5214ec
PH
649PH/23 Applied sieve patches from the maintainer "tracking the latest notify
650 draft, changing the syntax and factoring some duplicate code".
651
4311097e
PH
652PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
653 for deliveries of the second and subsequent messages over the same SMTP
654 connection.
655
29f89cad
PH
656PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
657 ${reduce, with only minor "tidies".
658
5e687460
SC
659SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
660
c3611384
PH
661PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
662 expansion side effects.
663
5a11a7b4
PH
664PH/27 When a message times out after an over-quota error from an Exim-imposed
665 quota, the bounce message says "mailbox is full". This message was not
666 being given when it was a system quota that was exceeded. It now should
667 be the same.
668
0e20aff9
MH
669MH/03 Made $recipients available in local_scan(). local_scan() already has
670 better access to the recipient list through recipients_list[], but
671 $recipients can be useful in postmaster-provided expansion strings.
672
ca86f471
PH
673PH/28 The $smtp_command and $smtp_command_argument variables were not correct
674 in the case of a MAIL command with additional options following the
675 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
676 were accidentally chopped off.
677
a14e5636
PH
678PH/29 SMTP synchronization checks are implemented when a command is read -
679 there is a check that no more input is waiting when there shouldn't be
680 any. However, for some commands, a delay in an ACL can mean that it is
681 some time before the response is written. In this time, more input might
682 arrive, invalidly. So now there are extra checks after an ACL has run for
683 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
684 pipelining has not been advertised.
685
ec95d1a6
PH
686PH/30 MH's patch to allow iscntrl() characters to be list separators.
687
42855d71
PH
688PH/31 Unlike :fail:, a custom message specified with :defer: was not being
689 returned in the SMTP response when smtp_return_error_details was false.
690 This has been fixed.
691
57c2c631
PH
692PH/32 Change the Dovecot authenticator to use read() and write() on the socket
693 instead of the C I/O that was originally supplied, because problems were
694 reported on Solaris.
695
58c01c94
PH
696PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
697 Exim which did not show up earlier: it was assuming that a call to
698 SSL_CTX_set_info_callback() might give an error value. In fact, there is
699 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
700 was a macro that became an assignment, so it seemed to work. This has
701 changed to a proper function call with a void return, hence the compile
702 error. Exim's code has been fixed.
703
dee5a20a
PH
704PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
705 cpus.
706
d2ee6114
PH
707PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
708
b2d5182b
PH
709PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
710
79749a79
PH
711PH/37 If a message is not accepted after it has had an id assigned (e.g.
712 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
713 "Completed" line in the log. When some messages of this type were
714 selected by exigrep, they were listed as "not completed". Others were
715 picked up by some special patterns. I have improved the selection
716 criteria to be more general.
79749a79 717
c456d9bb
PH
718PH/38 The host_find_failed option in the manualroute router can now be set
719 to "ignore", to completely ignore a host whose IP address cannot be
720 found. If all hosts are ignored, the behaviour is controlled by the new
721 host_all_ignored option.
722
cd9868ec
PH
723PH/39 In a list of hosts for manualroute, if one item (either because of multi-
724 homing or because of multiple MX records with /mx) generated more than
725 one IP address, and the following item turned out to be the local host,
726 all the secondary addresses of the first item were incorrectly removed
727 from the list, along with the local host and any following hosts (which
728 is what is supposed to happen).
729
ebeaf996
PH
730PH/40 When Exim receives a message, it writes the login name, uid, and gid of
731 whoever called Exim into the -H file. In the case of the daemon it was
732 behaving confusingly. When first started, it used values for whoever
733 started the daemon, but after a SIGHUP it used the Exim user (because it
734 calls itself on a restart). I have changed the code so that it now always
735 uses the Exim user.
736
2679d413
PH
737PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
738 message are rejected with the same error (e.g. no authentication or bad
739 sender address), and a DATA command is nevertheless sent (as can happen
740 with PIPELINING or a stupid MUA), the error message that was given to the
741 RCPT commands is included in the rejection of the DATA command. This is
742 intended to be helpful for MUAs that show only the final error to their
743 users.
744
84024b72
PH
745PH/42 Another patch from the Sieve maintainer.
746
8005d38e
SC
747SC/02 Eximstats - Differentiate between permanent and temporary rejects.
748 Eximstats - Fixed some broken HTML links and added missing column headers
749 (Jez Hancock).
750 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
751 columns for Rejects, Temp Rejects, Ham, and Spam rows.
752
3298c6c6
SC
753SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
754
a43a27c5
PH
755PH/43 Yet another patch from the Sieve maintainer.
756
58eb016e 757PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
758 the response to the final '.' that terminates a message, but only in the
759 case where the client has not sent further data following the '.'
760 (unfortunately, this is allowed). However, in many cases there won't be
761 any further data because there won't be any more messages to send. A call
762 to select() can be used: if it shows that the input is "ready", there is
763 either input waiting, or the socket has been closed. An attempt to read
764 the next input character can distinguish the two cases. Previously, Exim
58eb016e 765 would have sent an OK response which the client would never have see.
563b63fa
PH
766 This could lead to message repetition. This fix should cure that, at
767 least in a lot of common cases.
58eb016e 768
b43a74ea
PH
769PH/45 Do not advertise STARTTLS in response to HELP unless it would be
770 advertised in response to EHLO.
771
b4ed4da0 772
5dd1517f
PH
773Exim version 4.66
774-----------------
775
776PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
777 fixed by 4.65/MH/01 (is this a record?) are fixed:
778
779 (i) An empty string was always treated as zero by the numeric comparison
780 operators. This behaviour has been restored.
781
782 (ii) It is documented that the numeric comparison operators always treat
783 their arguments as decimal numbers. This was broken in that numbers
784 starting with 0 were being interpreted as octal.
785
786 While fixing these problems I realized that there was another issue that
787 hadn't been noticed. Values of message_size_limit (both the global option
788 and the transport option) were treated as octal if they started with 0.
789 The documentation was vague. These values are now always treated as
790 decimal, and I will make that clear in the documentation.
791
792
93cfa765
TK
793Exim version 4.65
794-----------------
795
796TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
797 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
798 versions. (#438)
799
d6066548
MH
800MH/01 Don't check that the operands of numeric comparison operators are
801 integers when their expansion is in "skipping" mode (fixes bug
802 introduced by 4.64-PH/07).
803
4362ff0d
PH
804PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
805 child addresses, Exim now panics and dies. Previously, because the count
806 is held in a short int, deliveries were likely to be lost. As such a
807 large number of recipients for a single message is ridiculous
808 (performance will be very, very poor), I have chosen to impose a limit
809 rather than extend the field.
810
93cfa765 811
944e9e9c
TF
812Exim version 4.64
813-----------------
aa41d2de 814
21d74bd9
TK
815TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
816 leftover -K file (the existence of which was triggered by #402).
817 While we were at it, introduced process PID as part of the -K
818 filename. This should rule out race conditions when creating
819 these files.
820
821TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
822 processing considerably. Previous code took too long for large mails,
823 triggering a timeout which in turn triggers #401.
824
825TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
826 in the DK code in transports.c. sendfile() is not really portable,
827 hence the _LINUX specificness.
944e9e9c
TF
828
829TF/01 In the add_headers option to the mail command in an Exim filter,
830 there was a bug that Exim would claim a syntax error in any
831 header after the first one which had an odd number of characters
832 in the field name.
833
2b1c6e3a
PH
834PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
835 callout verification, Exim cached a "reject" for the entire domain. This
836 is correct for most verifications, but it is not correct for a recipient
837 verification with use_sender or use_postmaster set, because in that case
838 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
839 case of MAIL FROM:<> rejection from other early rejections (e.g.
840 rejection of HELO). When verifying a recipient using a non-null MAIL
841 address, the cache is ignored if it shows MAIL FROM:<> rejection.
842 Whatever the result of the callout, the value of the domain cache is
843 left unchanged (for any other kind of callout, getting as far as trying
844 RCPT means that the domain itself is ok).
845
1f872c80
PH
846PH/02 Tidied a number of unused variable and signed/unsigned warnings that
847 gcc 4.1.1 threw up.
848
849PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
850 manifest itself as EPIPE rather than ECONNECT. When tidying away a
851 session, the daemon ignores ECONNECT errors and logs others; it now
852 ignores EPIPE as well.
853
d203e649
PH
854PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
855 (quoted-printable decoding).
856
cc2ed8f7 857PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 858 later the small subsequent patch to fix an introduced bug.
f951fd57 859
ddfcd446
PH
860PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
861
d45b1de8
PH
862PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
863
864PH/08 An error is now given if message_size_limit is specified negative.
865
38a0a95f 866PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 867 to be given (somewhat) arbitrary names.
38a0a95f 868
a2405d83
JJ
869JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
870 in 4.64-PH/09.
871
872JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
873 miscellaneous code fixes
874
6ea85e9a
PH
875PH/10 Added the log_reject_target ACL modifier to specify where to log
876 rejections.
877
26da7e20
PH
878PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
879 hostname. This is wrong, because it relates to the incoming message (and
880 probably the interface on which it is arriving) and not to the outgoing
881 callout (which could be using a different interface). This has been
882 changed to use the value of the helo_data option from the smtp transport
883 instead - this is what is used when a message is actually being sent. If
884 there is no remote transport (possible with a router that sets up host
885 addresses), $smtp_active_hostname is used.
6ea85e9a 886
14aa5a05 887PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 888 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
889 (a) The code assumed that strncpy() returns a negative number on buffer
890 overflow, which isn't the case. Replaced with Exim's string_format()
891 function.
892 (b) There were several signed/unsigned issues. I just did the minimum
893 hacking in of casts. There is scope for a larger refactoring.
894 (c) The code used strcasecmp() which is not a standard C function.
895 Replaced with Exim's strcmpic() function.
896 (d) The code set only $1; it now sets $auth1 as well.
897 (e) A simple test gave the error "authentication client didn't specify
898 service in request". It would seem that Dovecot has changed its
899 interface. Fortunately there's a specification; I followed it and
900 changed what the client sends and it appears to be working now.
901
ff75a1f7
PH
902PH/13 Added $message_headers_raw to provide the headers without RFC 2047
903 decoding.
904
e6f6568e
PH
905PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
906 address A is aliased to B and C, where B exists and C does not. Without
907 -v the output is "A verified" because verification stops after a
908 successful redirection if more than one address is generated. However,
909 with -v the child addresses are also verified. Exim was outputting "A
910 failed to verify" and then showing the successful verification for C,
911 with its parentage. It now outputs "B failed to verify", showing B's
912 parentage before showing the successful verification of C.
913
d6f6e0dc
PH
914PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
915 look up a TXT record in a specific list after matching in a combined
916 list.
917
322050c2
PH
918PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
919 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
920 they consult the DNS. I had assumed they would set it the way they
921 wanted; and indeed my experiments on Linux seem to show that in some
922 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
923 To be on the safe side, however, I have now made the interface to
924 host_find_byname() similar to host_find_bydns(), with an argument
925 containing the DNS resolver options. The host_find_byname() function now
926 sets these options at its start, just as host_find_bydns() does. The smtp
927 transport options dns_qualify_single and dns_search_parents are passed to
928 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
929 of host_find_byname() use the default settings of RES_DEFNAMES
930 (qualify_single) but not RES_DNSRCH (search_parents).
931
08955dd3
PH
932PH/17 Applied (a modified version of) Nico Erfurth's patch to make
933 spool_read_header() do less string testing, by means of a preliminary
934 switch on the second character of optional "-foo" lines. (This is
935 overdue, caused by the large number of possibilities that now exist.
936 Originally there were few.) While I was there, I also converted the
937 str(n)cmp tests so they don't re-test the leading "-" and the first
938 character, in the hope this might squeeze out yet more improvement.
939
1eccaa59
PH
940PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
941 flag allowing group syntax was set by the header_syntax check but not
942 turned off, possible causing trouble later; (2) The flag was not being
943 set at all for the header_verify test, causing "group"-style headers to
944 be rejected. I have now set it in this case, and also caused header_
945 verify to ignore an empty address taken from a group. While doing this, I
946 came across some other cases where the code for allowing group syntax
947 while scanning a header line wasn't quite right (mostly, not resetting
948 the flag correctly in the right place). These bugs could have caused
949 trouble for malformed header lines. I hope it is now all correct.
950
602e59e5
PH
951PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
952 with the "reply" argument non-NULL. The code, however (which originally
953 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
954 but it didn't always do it. This confused somebody who was copying the
955 code for some other use. I have removed all the tests.
956
411ef850
PH
957PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
958 feature that was used to support insecure browsers during the U.S. crypto
959 embargo. It requires special client support, and Exim is probably the
960 only MTA that supported it -- and would never use it because real RSA is
961 always available. This code has been removed, because it had the bad
962 effect of slowing Exim down by computing (never used) parameters for the
963 RSA_EXPORT functionality.
964
7befa435
PH
965PH/21 On the advice of Timo Sirainen, added a check to the dovecot
966 authenticator to fail if there's a tab character in the incoming data
967 (there should never be unless someone is messing about, as it's supposed
968 to be base64-encoded). Also added, on Timo's advice, the "secured" option
969 if the connection is using TLS or if the remote IP is the same as the
970 local IP, and the "valid-client-cert option" if a client certificate has
971 been verified.
972
48da4259 973PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
974 authenticators. This can be used for authorization after authentication
975 succeeds. (In the case of plaintext, it servers for both authentication
976 and authorization.)
977
48da4259
PH
978PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
979 if any retry times were supplied.
980
d1d5595c
PH
981PH/24 Exim crashed if verify=helo was activated during an incoming -bs
982 connection, where there is no client IP address to check. In this
983 situation, the verify now always succeeds.
984
0ef732d9
PH
985PH/25 Applied John Jetmore's -Mset patch.
986
328895cc
PH
987PH/26 Added -bem to be like -Mset, but loading a message from a file.
988
fd700877
PH
989PH/27 In a string expansion for a processed (not raw) header when multiple
990 headers of the same name were present, leading whitespace was being
991 removed from all of them, but trailing whitespace was being removed only
992 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
993 before concatenation. Completely empty headers in a concatenation (as
994 before) are ignored.
fd700877 995
8dce1a6f
PH
996PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
997 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
998
17af4a17
PH
999PH/29 [Removed. This was a change that I later backed out, and forgot to
1000 correct the ChangeLog entry (that I had efficiently created) before
1001 committing the later change.]
f6c332bd
PH
1002
1003PH/30 Exim was sometimes attempting to deliver messages that had suffered
1004 address errors (4xx response to RCPT) over the same connection as other
1005 messages routed to the same hosts. Such deliveries are always "forced",
1006 so retry times are not inspected. This resulted in far too many retries
1007 for the affected addresses. The effect occurred only when there were more
1008 hosts than the hosts_max_try setting in the smtp transport when it had
1009 the 4xx errors. Those hosts that it had tried were not added to the list
1010 of hosts for which the message was waiting, so if all were tried, there
1011 was no problem. Two fixes have been applied:
1012
1013 (i) If there are any address or message errors in an SMTP delivery, none
1014 of the hosts (tried or untried) are now added to the list of hosts
1015 for which the message is waiting, so the message should not be a
1016 candidate for sending over the same connection that was used for a
1017 successful delivery of some other message. This seems entirely
1018 reasonable: after all the message is NOT "waiting for some host".
1019 This is so "obvious" that I'm not sure why it wasn't done
1020 previously. Hope I haven't missed anything, but it can't do any
1021 harm, as the worst effect is to miss an optimization.
1022
1023 (ii) If, despite (i), such a delivery is accidentally attempted, the
1024 routing retry time is respected, so at least it doesn't keep
1025 hammering the server.
1026
c1114884
PH
1027PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
1028 in ${readsocket because some servers need this prod.
1029
7a0743eb
PH
1030PH/32 Added some extra debug output when updating a wait-xxx database.
1031
0d85fa3f
PH
1032PH/33 The hint "could be header name not terminated by colon", which has been
1033 given for certain expansion errors for a long time, was not being given
1034 for the ${if def:h_colon_omitted{... case.
1035
1bf43b78
PH
1036PH/34 The spec says: "With one important exception, whenever a domain list is
1037 being scanned, $domain contains the subject domain." There was at least
1038 one case where this was not true.
1039
520de300
PH
1040PH/35 The error "getsockname() failed: connection reset by peer" was being
1041 written to the panic log as well as the main log, but it isn't really
1042 panic-worthy as it just means the connection died rather early on. I have
1043 removed the panic log writing for the ECONNRESET error when getsockname()
1044 fails.
1045
48c7f9e2
PH
1046PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
1047 runs only) independently of the message's sender address. This meant
1048 that, if the 4xx error was in fact related to the sender, a different
1049 message to the same recipient with a different sender could confuse
1050 things. In particualar, this can happen when sending to a greylisting
1051 server, but other circumstances could also provoke similar problems.
1052 I have changed the default so that the retry time for these errors is now
1053 based a combination of the sender and recipient addresses. This change
1054 can be overridden by setting address_retry_include_sender=false in the
1055 smtp transport.
1056
99ea1c86
PH
1057PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
1058 remote server are returned as part of bounce messages. This was not
1059 happening for LMTP over a pipe (the lmtp transport), but now it is the
1060 same for both kinds of LMTP.
1061
a2042e78
PH
1062PH/38 Despite being documented as not happening, Exim was rewriting addresses
1063 in header lines that were in fact CNAMEs. This is no longer the case.
1064
4fbcfc2e
PH
1065PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
1066 and queue runs started by the daemon processed all messages. This has
1067 been fixed so that -R and -S can now usefully be given with -q<time>.
1068
aa41d2de
PH
1069PH/40 Import PCRE release 6.7 (fixes some bugs).
1070
af561417
PH
1071PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
1072
3cc66b45
PH
1073PH/42 Give an error if -q is specified more than once.
1074
194cc0e4
PH
1075PH/43 Renamed the variables $interface_address and $interface_port as
1076 $received_ip_address and $received_port, to make it clear that these
1077 values apply to message reception, and not to the outgoing interface when
1078 a message is delivered. (The old names remain recognized, of course.)
1079
a401ddaa
PH
1080PH/44 There was no timeout on the connect() call when using a Unix domain
1081 socket in the ${readsocket expansion. There now is.
1082
4e88a19f
PH
1083PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
1084 be meaningful with "accept".
1085
d7d7b289
SC
1086SC/01 Eximstats V1.43
1087 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
1088
1089SC/02 Eximstats V1.44
1090 Use a glob alias rather than an array ref in the generated
1091 parser. This improves both readability and performance.
1092
1093SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
1094 Collect SpamAssassin and rejection statistics.
1095 Don't display local sender or destination tables unless
1096 there is data to show.
1097 Added average volumes into the top table text output.
1098
1099SC/04 Eximstats V1.46
1100 Collect data on the number of addresses (recipients)
1101 as well as the number of messages.
1102
1103SC/05 Eximstats V1.47
1104 Added 'Message too big' to the list of mail rejection
1105 reasons (thanks to Marco Gaiarin).
1106
1107SC/06 Eximstats V1.48
1108 Mainlog lines which have GMT offsets and are too short to
1109 have a flag are now skipped.
1110
1111SC/07 Eximstats V1.49 (Alain Williams)
1112 Added the -emptyok flag.
1113
1114SC/08 Eximstats V1.50
1115 Fixes for obtaining the IP address from reject messages.
1116
0ea2a468
JJ
1117JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
1118 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
1119 whitesspace changes from 4.64-PH/27
1120
1121JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
1122 match 4.64-PH/13
1123
1124JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
1125 are found, allow negative numbers in numeric criteria)
1126
1127JJ/06 exipick.20061117.2, added new $message_body_missing variable
1128
1129JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
1130 to match changes made in 4.64-PH/43
1131
8a10f5a4
PH
1132PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
1133
30e18802
PH
1134PH/47 Put in an explicit test for a DNS lookup of an address record where the
1135 "domain" is actually an IP address, and force a failure. This locks out
1136 those revolvers/nameservers that support "A-for-A" lookups, in
1137 contravention of the specifications.
1138
55728a4f
PH
1139PH/48 When a host name was looked up from an IP address, and the subsequent
1140 forward lookup of the name timed out, the host name was left in
1141 $sender_host_name, contrary to the specification.
d7d7b289 1142
d7837193
PH
1143PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1144 restricted to single-key lookups, Exim was not diagnosing an error if
1145 * or *@ was used with a query-style lookup.
1146
87054a31
PH
1147PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1148
ea2c01d2
MH
1149MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1150 long ago, but noone interested enough thought of it. Let's just say that
1151 the "1.1" means that there are some new functions that weren't there at
1152 some point in the past.
1153
e4fa6968
PH
1154PH/51 Error processing for expansion failure of helo_data from an smtp
1155 transport during callout processing was broken.
1156
56f5d9bd
PH
1157PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1158 tested/used via the -bh/-bhc/-bs options.
1159
922e1c28
PH
1160PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1161 bug, fixed in subsequent PCRE releases).
1162
21eb6e72
PH
1163PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1164 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1165
a0540757
PH
1166PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1167
944e9e9c 1168
478be7b0
SC
1169Exim version 4.63
1170-----------------
1171
1172SC/01 Use a glob alias rather than an array ref in eximstats generated
1173 parser. This improves both readability and performance.
1174
1175SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1176 Don't display local sender or destination tables in eximstats unless
1177 there is data to show.
1178 Added average volumes into the eximstats top table text output.
1179
1180SC/03 Collect data on the number of addresses (recipients) as well
1181 as the number of messages in eximstats.
1182
2b965a65
TF
1183TF/01 Correct an error in the documentation for the redirect router. Exim
1184 does (usually) call initgroups() when daemonizing.
478be7b0 1185
45b91596
PH
1186TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1187 with consistent privilege compared to when running as a daemon.
478be7b0 1188
c59f5781
TF
1189TF/03 Note in the spec that $authenticated_id is not set for local
1190 submissions from trusted users.
1191
90fc3069
TF
1192TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1193 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1194
6083aca0
TF
1195TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1196 by adding some example configuration directives to the default
1197 configuration file. A little bit of work is required to uncomment the
1198 directives and define how usernames and passwords are checked, but
1199 there is now a framework to start from.
1200
765b530f
PH
1201PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1202 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1203 without this. I don't know how relevant this is to other LDAP libraries.
1204
4e167a8c
PH
1205PH/02 Add the verb name to the "unknown ACL verb" error.
1206
4608d683
PH
1207PH/03 Magnus Holmgren's patch for filter_prepend_home.
1208
b8dc3e4a
PH
1209PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1210
5418e93b
PH
1211PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1212 directory not expanded when it should be if an expanded home directory
1213 was set for the address (which is overridden by the transport).
1214
b4a9bda2
PH
1215PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1216 libradius.
1217
45b91596
PH
1218PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1219 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1220 because it is too late at that time, and has no effect.
1221
5547e2c5
PH
1222PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1223 security issue with \' (bugzilla #107). I could not use the
1224 PQescapeStringConn() function, because it needs a PGconn value as one of
1225 its arguments.
1226
dbcef0ea
PH
1227PH/08 When testing addresses using -bt, indicate those final addresses that
1228 are duplicates that would not cause an additional delivery. At least one
1229 person was confused, thinking that -bt output corresponded to deliveries.
1230 (Suppressing duplicates isn't a good idea as you lose the information
1231 about possibly different redirections that led to the duplicates.)
1232
25257489
PH
1233PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1234 systems where poll() doesn't work, in particular OS X.
1235
c816d124
PH
1236PH/10 Added more information to debugging output for retry time not reached.
1237
a9ccd69a
PH
1238PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1239 operations in malware.c.
1240
75fa1910
PH
1241PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1242 signatures.
1243
a7d7aa58
PH
1244PH/13 If write_rejectlog was set false when logging was sent to syslog with
1245 syslog_duplication set false, log lines that would normally be written
1246 both the the main log and to the reject log were not written to syslog at
1247 all.
1248
42119b09
PH
1249PH/14 In the default configuration, change the use of "message" in ACL warn
1250 statements to "add_header".
1251
41609df5
PH
1252PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1253 not followed by a command (e.g. "seen endif").
1254
a5bd321b
PH
1255PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1256 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1257 latter.
1258
e85a7ad5 1259PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1260 so that it is now:
1261
e85a7ad5
PH
1262 ${if or { \
1263 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1264 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1265 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1266 }{no}{yes}}
1267
e85a7ad5
PH
1268 The Auto-Submitted: and various List- headers are standardised, whereas I
1269 don't think Precedence: ever was.
5dff5817 1270
d8fe1c03
PH
1271PH/18 Refactored debugging code in route_finduser() to show more information,
1272 in particular, the error code if getpwnam() issues one.
1273
16282d2b
PH
1274PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1275 This is apparently needed in addition to the PH/07 change above to avoid
1276 any possible encoding problems.
1277
35d40a98
PH
1278PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1279 but not after initializing Perl.
1280
034d99ab
PH
1281PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1282 output them only if debugging. By default they are written stderr,
1283 apparently, which is not desirable.
1284
6ec97b1b
PH
1285PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1286 queries.
1287
e22ca4ac
JJ
1288JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1289 --not options
1290
1291JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1292
33d73e3b
PH
1293PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1294 authenticated or an ident call has been made. Suppress the default
1295 values for $authenticated_id and $authenticated_sender (but permit -oMai
1296 and -oMas) when testing with -bh.
1297
9ecb03f3
PH
1298PH/24 Re-jigged the order of the tests in the default configuration so that the
1299 tests for valid domains and recipients precede the DNS black list and CSA
1300 tests, on the grounds that those ones are more expensive.
1301
084efe8d
PH
1302PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1303 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1304 This bug exists in every version of Exim that I still have, right back to
1305 0.12.
1306
366fc9f0
PH
1307PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1308 However, an attempt to turn on case-sensitivity in a regex key by
1309 including (?-i) didn't work because the subject string was already
1310 lowercased, and the effects were non-intuitive. It turns out that a
1311 one-line patch can be used to allow (?-i) to work as expected.
1312
c59f5781 1313
c887c79e
TF
1314Exim version 4.62
1315-----------------
1316
1317TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1318 other effects) broke the use of negated acl sub-conditions.
1319
1cce3af8
PH
1320PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1321 patch).
1322
afb3eaaf
PH
1323PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1324 "Deny" causes Exim to reject the incoming connection with a 554 error.
1325 Unfortunately, if there is a major crisis, such as a disk failure,
1326 tcp-wrappers gives "deny", whereas what one would like would be some
1327 kind of temporary error. A kludge has been added to help with this.
1328 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1329 554 error is used if errno is still zero or contains ENOENT (which occurs
1330 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1331 451 error is used.
1332
e173618b
PH
1333PH/03 Add -lutil to the default FreeBSD LIBS setting.
1334
dd16e114
PH
1335PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1336 errors. Otherwise a message that provokes a temporary error (when other
1337 messages do not) can cause a whole host to time out.
1338
f7fd3850
PH
1339PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1340 addresses were routed directly to files or pipes from a redirect router.
1341 File deliveries just didn't batch; pipe deliveries might have suffered
1342 odd errors.
1343
d87df92c
PH
1344PH/06 A failure to get a lock for a hints database would erroneously always say
1345 "Failed to get write lock", even when it was really a read lock.
1346
7e9f683d
PH
1347PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1348 of 0600. This has been changed to use the value of the lockfile_mode
1349 option (which defaults to 0600).
1350
bfad5236
PH
1351PH/08 Applied small patch from the Sieve maintainer.
1352
01c490df
PH
1353PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1354 folder from quota calculations, a direct delivery into this folder messed
1355 up the contents of the maildirsize file. This was because the regex was
1356 used only to exclude .Trash (or whatever) when the size of the mailbox
1357 was calculated. There was no check that a delivery was happening into an
1358 excluded directory. This bug has been fixed by ignoring all quota
1359 processing for deliveries into excluded directories.
1360
d6629cdc
PH
1361PH/10 Added the maildirfolder_create_regex option to appendfile.
1362
1cce3af8 1363
214e2000
PH
1364Exim version 4.61
1365-----------------
1366
1367PH/01 The code for finding all the local interface addresses on a FreeBSD
1368 system running IPv6 was broken. This may well have applied to all BSD
1369 systems, as well as to others that have similar system calls. The broken
1370 code found IPv4 interfaces correctly, but gave incorrect values for the
1371 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1372 that it would not match correctly against @[] and not recognize the IPv6
1373 addresses as local.
1374
f9daeae0
PH
1375PH/02 The ipliteral router was not recognizing addresses of the form user@
1376 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1377
7e66e54d
PH
1378PH/03 Added disable_ipv6.
1379
c8ea1597
PH
1380PH/04 Changed $reply_address to use the raw form of the headers instead of the
1381 decoded form, because it is most often used to construct To: headers
1382 lines in autoreplies, and the decoded form may well be syntactically
1383 invalid. However, $reply_address has leading white space removed, and all
1384 newlines turned into spaces so that the autoreply transport does not
1385 grumble.
1386
911f6fde
PH
1387PH/05 If group was specified without a user on a router, and no group or user
1388 was specified on a transport, the group from the router was ignored.
1389
47ca6d6c
PH
1390PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1391 for visible compile-time settings that can be used to change these
1392 numbers, for those that want even more. Backwards compatibility with old
1393 spool files has been maintained. However, going back to a previous Exim
1394 release will lost any variables that are in spool files.
1395
ed0e9820
PH
1396PH/07 Two small changes when running in the test harness: increase delay when
1397 passing a TCP/IP connection to a new process, in case the original
1398 process has to generate a bounce, and remove special handling of
1399 127.0.0.2 (sic), which is no longer necessary.
1400
eff37e47
PH
1401PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1402 be the same on different OS.
1403
1921d2ea
PH
1404PH/09 Moved a debug statement in filter processing to avoid a race problem when
1405 testing.
1406
b3f69ca8
JJ
1407JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1408 whether --show-vars was specified or not
1409
1410JJ/02 exipick: Added support for new ACL variable spool format introduced
1411 in 4.61-PH/06
1412
424a1c63
PH
1413PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1414 syntactically invalid From: or Reply-to: line, and a filter used this to
1415 generate an autoreply, and therefore failed to obtain an address for the
1416 autoreply, Exim could try to deliver to a non-existent relative file
1417 name, causing unrelated and misleading errors. What now happens is that
1418 it logs this as a hard delivery error, but does not attempt to create a
1419 bounce message.
1420
7a100415
PH
1421PH/11 The exinext utility has a -C option for testing purposes, but although
1422 the given file was scanned by exinext itself; it wasn't being passed on
1423 when Exim was called.
1424
19b9dc85
PH
1425PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1426 an end-of-file indication when reading a command response.
1427
309bd837
PH
1428PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1429 compiled. In many other places in Exim, IPv6 addresses are always
1430 recognized, so I have changed this. It also means that IPv4 domain
1431 literals of the form [IPV4:n.n.n.n] are now always recognized.
1432
59e82a2a
PH
1433PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1434 used if the router is not running as root, for example, when verifying at
1435 ACL time, or when using -bh. The debugging output from this situation was
1436 non-existent - all you got was a failure to exec. I have made two
1437 changes:
1438
1439 (a) Failures to set uid/gid, the current directory, or a process leader
1440 in a subprocess such as that created by queryprogram now generate
1441 suitable debugging ouput when -d is set.
1442
1443 (b) The queryprogram router detects when it is not running as root,
1444 outputs suitable debugging information if -d is set, and then runs
1445 the subprocess without attempting to change uid/gid.
1446
9edc04ce
PH
1447PH/15 Minor change to Makefile for building test_host (undocumented testing
1448 feature).
1449
1349e1e5
PH
1450PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1451 additional section of a DNS packet that returns MX or SRV records.
1452 Instead, it always explicitly searches for A/AAAA records. This avoids
1453 major problems that occur when a DNS server includes only records of one
1454 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1455 fixed another bug: if SRV records were looked up and the corresponding
1456 address records were *not* found in the additional section, the port
1457 values from the SRV records were lost.
1458
ea49d0e1
PH
1459PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1460 using the correct key (the original address) when searching the retry
1461 rules in order to find which one to use for generating the retry hint.
1462
064a94c9
PH
1463PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1464 adding the default one. Similarly, if it contains a Reply-To: header, the
1465 errors_reply_to option, if set, is not used.
1466
727071f8
PH
1467PH/19 When calculating a retry time, Exim used to measure the "time since
1468 failure" by looking at the "first failed" field in the retry record. Now
1469 it does not use this if it is later than than the arrival time of the
1470 message. Instead it uses the arrival time. This makes for better
1471 behaviour in cases where some deliveries succeed, thus re-setting the
1472 "first failed" field. An example is a quota failure for a huge message
1473 when small messages continue to be delivered. Without this change, the
1474 "time since failure" will always be short, possible causing more frequent
1475 delivery attempts for the huge message than are intended.
dd16e114 1476 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1477
f78eb7c6
PH
1478PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1479 $1, $2, $3) because the numerical variables can be reset during some
1480 expansion items (e.g. "match"), thereby losing the authentication data.
1481
21c28500
PH
1482PH/21 Make -bV show the size of off_t variables so that the test suite can
1483 decide whether to run tests for quotas > 2G.
1484
1485PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1486 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1487 filecount value is greater than 2G or if a quota value is greater than 2G
1488 on a system where the size of off_t is not greater than 4, a panic error
1489 is given.
1490
1688f43b
PH
1491PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1492 never match. The debug and -bh output now contains an explicit error
1493 message indicating a malformed IPv4 address or mask.
1494
1495PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1496 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1497 PH/23 above applies.
1498
9675b384
PH
1499PH/25 Do not write to syslog when running in the test harness. The only
1500 occasion when this arises is a failure to open the main or panic logs
1501 (for which there is an explicit test).
1502
6a3f1455
PH
1503PH/26 Added the /no_tell option to "control=freeze".
1504
dac79d3e
PH
1505PH/27 If a host name lookup failed very early in a connection, for example, if
1506 the IP address matched host_lookup and the reverse lookup yielded a name
1507 that did not have a forward lookup, an error message of the form "no IP
1508 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1509 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1510
5977a0b3
PH
1511PH/28 An enabling patch from MH: add new function child_open_exim2() which
1512 allows the sender and the authenticated sender to be set when
1513 submitting a message from within Exim. Since child_open_exim() is
1514 documented for local_scan(), the new function should be too.
1515
c91535f3
PH
1516PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1517 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1518 results in an empty string is now treated as unset.
1519
0d46a8c8
PH
1520PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1521
278c6e6c
PH
1522PH/31 Added sender_verify_fail logging option.
1523
2cbb4081
PH
1524PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1525 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1526 tidied the source and removed it altogether.
1527
3eef829e
PH
1528PH/33 When a queue run was abandoned because the load average was too high, a
1529 log line was always written; now it is written only if the queue_run log
1530 selector is set. In addition, the log line for abandonment now contains
1531 information about the queue run such as the pid. This is always present
1532 in "start" and "stop" lines but was omitted from the "abandon" line.
1533
1ab95fa6
PH
1534PH/34 Omit spaces between a header name and the colon in the error message that
1535 is given when verify = headers_syntax fails (if there are lots of them,
1536 the message gets confusing).
1537
230205fc
PH
1538PH/35 Change the default for dns_check_names_pattern to allow slashes within
1539 names, as there are now some PTR records that contain slashes. This check
1540 is only to protect against broken name servers that fall over on strange
1541 characters, so the fact that it applies to all lookups doesn't matter.
1542
75e0e026
PH
1543PH/36 Now that the new test suite is complete, we can remove some of the
1544 special code in Exim that was needed for the old test suite. For example,
1545 sorting DNS records because real resolvers return them in an arbitrary
1546 order. The new test suite's fake resolver always returns records in the
1547 same order.
1548
1549PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1550 bounces) except when queue_only is set, to avoid logging races between
1551 the different processes.
1552
145396a6
PH
1553PH/38 Panic-die if .include specifies a non-absolute path.
1554
3cd34f13
PH
1555PH/39 A tweak to the "H" retry rule from its user.
1556
11121d3d
JJ
1557JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1558 a label. They prevented compilation on older perls.
1559
1560JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1561 a warning to be raised on newish perls.
1562
1563JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1564 on queue. Changes to match documented behaviour of showing count of
1565 messages matching specified criteria.
1566
8def5aaf
PH
1567PH/40 Changed the default ident timeout from 30s to 5s.
1568
929ba01c
PH
1569PH/41 Added support for the use of login_cap features, on those BSD systems
1570 that have them, for controlling the resources used by pipe deliveries.
1571
2632889e
PH
1572PH/42 The content-scanning code uses fopen() to create files in which to put
1573 message data. Previously it was not paying any attention to the mode of
1574 the files. Exim runs with umask(0) because the rest of the code creates
1575 files with open(), and sets the required mode explicitly. Thus, these
1576 files were ending up world-writeable. This was not a big issue, because,
1577 being within the spool directory, they were not world-accessible. I have
1578 created a function called modefopen, which takes an additional mode
1579 argument. It sets umask(777), creates the file, chmods it to the required
1580 mode, then resets the umask. All the relevant calls to fopen() in the
1581 content scanning code have been changed to use this function.
1582
944a9c55
PH
1583PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1584 to 24 hours. This avoids potential overflow problems when processing G
1585 and H retry rules. I suspect nobody ever tinkers with this value.
1586
4a23603b
PH
1587PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1588
4730f942
PH
1589PH/45 When the plaintext authenticator is running as a client, the server's
1590 challenges are checked to ensure they are valid base64 strings. By
1591 default, the authentication attempt is cancelled if an invalid string is
1592 received. Setting client_ignore_invalid_base64 true ignores these errors.
1593 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1594 they are received. Thus, the responses can be made to depend on the
1595 challenges. If an invalid string is ignored, an empty string is placed in
1596 the variable.
1597
30dba1e6
PH
1598PH/46 Messages that are created by the autoreply transport now contains a
1599 References: header, in accordance with RFCs 2822 and 3834.
1600
382afc6b
PH
1601PH/47 Added authenticated_sender_force to the smtp transport.
1602
a86229cf
PH
1603PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1604
50c99ba6
PH
1605PH/49 Installed latest patch from the Sieve maintainer.
1606
d35e429d
PH
1607PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1608 was also set, the appendfile transport was unnecessarily scanning a
1609 directory of message files (e.g. for maildir delivery) to find the count
1610 of files (along with the size), even though it did not need this
1611 information. It now does the scan only if it needs to find either the
1612 size of the count of files.
1613
f90d018c
PH
1614PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1615
75def545
PH
1616PH/52 Two bugs concerned with error handling when the smtp transport is
1617 used in LMTP mode:
1618
1619 (i) Exim was not creating retry information for temporary errors given
1620 for individual recipients after the DATA command when the smtp transport
1621 was used in LMTP mode. This meant that they could be retried too
1622 frequently, and not timed out correctly.
1623
1624 (ii) Exim was setting the flag that allows error details to be returned
1625 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1626 recipients that were returned after the DATA command.
1627
1628PH/53 This is related to PH/52, but is more general: for any failing address,
1629 when detailed error information was permitted to be returned to the
1630 sender, but the error was temporary, then after the final timeout, only
1631 "retry timeout exceeded" was returned. Now it returns the full error as
1632 well as "retry timeout exceeded".
1633
c46782ef
PH
1634PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1635 do this, and (what is worse) MTAs that accept it.
1636
71fafd95
PH
1637PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1638 will now be deprecated.
1639
2c5db4fd
PH
1640PH/56 New os.c-cygwin from the Cygwin maintainer.
1641
9cf6b11a
JJ
1642JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1643 formats (previously only available in exim formats via -bpr, -bpru,
1644 and -bpra. Now also available in native and exiqgrep formats)
1645
1646JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1647 with very large, slow to parse queues
1648
1649JJ/08 exipick: added ! as generic prefix to negate any criteria format
1650
1651JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1652
898d150f
PH
1653PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1654 responses to authentication challenges, though it was showing the
1655 challenges; (ii) I've removed the CR characters from the debug output for
1656 SMTP output lines.
1657
46218253
PH
1658PH/58 Allow for the insertion of a newline as well as a space when a string
1659 is turned into more than one encoded-word during RFC 2047 encoding. The
1660 Sieve code now uses this.
1661
e97957bc
PH
1662PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1663 data_4xx, lost_connection, tls_required.
1664
81e509d7
PH
1665PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1666 message was being sent as an SMTP response.
1667
3d240ff7
PH
1668PH/61 Add -l and -k options to exicyclog.
1669
b37c4101
PH
1670PH/62 When verifying, if an address was redirected to one new address, so that
1671 verification continued, and the new address failed or deferred after
1672 having set something in $address_data, the value of $address_data was not
1673 passed back to the ACL. This was different to the case when no
1674 redirection occurred. The value is now passed back in both cases.
1675
79378e0f
PH
1676PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1677 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1678 use login_cap.h, so on its own it isn't the distinguishing feature. The
1679 new name refers directly to the setclassresources() function.
1680
e49c7bb4
PH
1681PH/65 Added configuration files for NetBSD3.
1682
d114ec46
PH
1683PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1684
f3d7df6c
PH
1685PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1686 is preferred over IPv4.
1687
715ab376
PH
1688PH/68 The bounce_return_message and bounce_return_body options were not being
1689 honoured for bounces generated during the reception of non-SMTP messages.
1690 In particular, this applied to messages rejected by the ACL. This bug has
1691 been fixed. However, if bounce_return_message is true and bounce_return_
1692 body is false, the headers that are returned for a non-SMTP message
1693 include only those that have been read before the error was detected.
1694 (In the case of an ACL rejection, they have all been read.)
1695
6b31b150
PH
1696PH/69 The HTML version of the specification is now built in a directory called
1697 spec_html instead of spec.html, because the latter looks like a path with
1698 a MIME-type, and this confuses some software.
1699
1700PH/70 Catch two compiler warnings in sieve.c.
1701
d515a917
PH
1702PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1703 function verify_get_ident() calls ip_connect() to connect a socket, but
1704 if the "connect()" function timed out, ip_connect() used to close the
1705 socket. However, verify_get_ident() also closes the socket later, and in
1706 between Exim writes to the log, which may get opened at this point. When
1707 the socket was closed in ip_connect(), the log could get the same file
1708 descriptor number as the socket. This naturally causes chaos. The fix is
1709 not to close the socket in ip_connect(); the socket should be closed by
1710 the function that creates it. There was only one place in the code where
1711 this was missing, in the iplookup router, which I don't think anybody now
1712 uses, but I've fixed it anyway.
1713
9b8fadde
PH
1714PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1715 well as to direct DNS lookups. Otherwise the handling of names in host
1716 lists is inconsistent and therefore confusing.
1717
214e2000 1718
5de37277
PH
1719Exim version 4.60
1720-----------------
1721
cc38ddbf
PH
1722PH/01 Two changes to the default runtime configuration:
1723
1724 (1) Move the checks for relay_from_hosts and authenticated clients from
1725 after to before the (commented out) DNS black list checks.
1726
1727 (2) Add control=submission to the relay_from_hosts and authenticated
1728 clients checks, on the grounds that messages accepted by these
1729 statements are most likely to be submissions.
5de37277 1730
72fdd6ae
PH
1731PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1732
1733 (1) Generate an error if the third argument for the ${prvs expansion is
1734 not a single digit.
1735
1736 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1737 string.
1738
1739 (3) Reset the variables that are obtained from the first argument of
1740 ${prvscheck and used in the second argument before leaving the code,
1741 because their memory is reclaimed, so using them afterwards may do
1742 silly things.
1743
1744 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1745 one (it's much easier than Tom thought :-).
1746
1747 (5) Because of (4), we can now allow for the use of $prvscheck_result
1748 inside the third argument.
cb9328de 1749
cb741023
PH
1750PH/03 For some reason, the default setting of PATH when running a command from
1751 a pipe transport was just "/usr/bin". I have changed it to
1752 "/bin:/usr/bin".
1753
f174f16e
PH
1754PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1755 anything to be listed in the output from -bV.
b2f5a032 1756
c25242d7
PH
1757PH/05 When a filter generated an autoreply, the entire To: header line was
1758 quoted in the delivery log line, like this:
1759
1760 => >A.N.Other <ano@some.domain> <original@ddress> ...
1761
1762 This has been changed so that it extracts the operative address. There
1763 may be more than one such address. If so, they are comma-separated, like
1764 this:
1765
1766 => >ano@some.domain,ona@other.domain <original@ddress> ...
1767
82c19f95
PH
1768PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1769 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1770 not being looked up in the rDNS to get a host name, Exim was showing the
1771 IP address twice in Received: lines, even though the IP addresses were
1772 identical. For example:
1773
1774 Received: from [1.2.3.4] (helo=[1.2.3.4])
1775
1776 However, if the real host name was known, it was omitting the HELO data
1777 if it matched the actual IP address. This has been tidied up so that it
1778 doesn't show the same IP address twice.
1779
d7ffbc12
PH
1780PH/07 When both +timestamp and +memory debugging was on, the value given by
1781 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1782 called by the debug printing, thereby overwriting the timestamp buffer.
1783 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1784
9f526266
PH
1785PH/08 When the original message was included in an autoreply transport, it
1786 always said "this is a copy of the message, including all the headers",
1787 even if body_only or headers_only was set. It now gives an appropriate
1788 message.
1789
87fcc8b9
PH
1790PH/09 Applied a patch from the Sieve maintainer which:
1791
1792 o fixes some comments
1793 o adds the (disabled) notify extension core
1794 o adds some debug output for the result of if/elsif tests
1795 o points to the current vacation draft in the documentation
1796 and documents the missing references header update
1797
1798 and most important:
1799
1800 o fixes a bug in processing the envelope test (when testing
1801 multiple envelope elements, the last element determinted the
1802 result)
1803
456682f5
PH
1804PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1805 Electronic Mail") by including:
1806
1807 Auto-submitted: auto-generated
1808
1809 in the messages that it generates (bounce messages and others, such as
1810 warnings). In the case of bounce messages for non-SMTP mesages, there was
1811 also a typo: it was using "Auto_submitted" (underscore instead of
1812 hyphen). Since every message generated by Exim is necessarily in response
1813 to another message, thes have all been changed to:
1814
1815 Auto-Submitted: auto-replied
1816
1817 in accordance with these statements in the RFC:
1818
1819 The auto-replied keyword:
1820
1821 - SHOULD be used on messages sent in direct response to another
1822 message by an automatic process,
1823
1824 - MUST NOT be used on manually-generated messages,
1825
1826 - MAY be used on Delivery Status Notifications (DSNs) and Message
1827 Disposition Notifications (MDNs),
1828
1829 - MUST NOT be used on messages generated by automatic or periodic
1830 processes, except for messages which are automatic responses to
1831 other messages.
1832
3e46c1aa
PH
1833PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1834 to the default Received: header definition.
456682f5 1835
49826d12
PH
1836PH/12 Added log selector acl_warn_skipped (default on).
1837
eba0c039
PH
1838PH/13 After a successful wildlsearch lookup, discard the values of numeric
1839 variables because (a) they are in the wrong storage pool and (b) even if
1840 they were copied, it wouldn't work properly because of the caching.
1841
a0d6ba8a
PH
1842PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1843 checking when decoding. Apparently there are clients that generate
1844 overlong encoded strings. Why am I not surprised?
1845
f0917727
PH
1846PH/15 If the first argument of "${if match_address" was not empty, but did not
1847 contain an "@" character, Exim crashed. Now it writes a panic log message
1848 and treats the condition as false.
1849
096fee00
PH
1850PH/16 In autoreply, treat an empty string for "once" the same as unset.
1851
024bd3c2
PH
1852PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1853 extension "envelope-auth". The code is finished and in agreement with
1854 other implementations, but there is no documentation so far and in fact,
1855 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1856 not changing the active code.
1857
1858 Print executed "if" and "elsif" statements when debugging is used. This
1859 helps a great deal to understand what a filter does.
1860
1861 Document more things not specified clearly in RFC3028. I had all this
1862 sorted out, when out of a sudden new issues came to my mind. Oops."
1863
df199fec
PH
1864PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1865 (Bugzilla #53).
1866
d27f1df3
PH
1867PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1868 canonical form (as documented). However, after a host name lookup from
1869 the IP address, check_host() was doing a simple string comparison with
1870 addresses acquired from the DNS when checking that the found name did
1871 have the original IP as one of its addresses. Since any found IPv6
1872 addresses are likely to be in abbreviated form, the comparison could
1873 fail. Luckily, there already exists a function for doing the comparison
1874 by converting both addresses to binary, so now that is used instead of
1875 the text comparison.
1876
96776534
PH
1877PH/20 There was another similar case to PH/19, when a complete host name was
1878 given in a host list; looking up its IP address could give an abbreviated
1879 form, whereas the current host's name might or might not be abbreviated.
1880 The same fix has been applied.
1881
5de37277 1882
9a799bc0
PH
1883Exim version 4.54
1884-----------------
1885
1886PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1887 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1888 It now does.
1889
99a4b039
PH
1890PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1891 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1892
1893PH/03 Typo: missing ".o" in src/pcre/Makefile.
1894
4b233853
PH
1895PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1896 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1897 Also, for "Auto-Submitted", treat anything other than "no" as
1898 non-personal, in accordance with RFC 3834. (Previously it treated
1899 anything starting "auto-" as non-personal.)
1900
8857ccfd
PH
1901TF/01 The control=submission/name=... option had a problem with syntax
1902 errors if the name included a slash character. The /name= option
1903 now slurps the rest of the string, so it can include any characters
1904 but it must come last in the list of options (after /sender_retain
1905 or /domain=).
1906
433a2980
PH
1907PH/05 Some modifications to the interface to the fake nameserver for the new
1908 testing suite.
1909
3e46c1aa 1910
9a799bc0 1911
e3a311ba
TK
1912Exim version 4.53
1913-----------------
1914
1915TK/01 Added the "success_on_redirect" address verification option. See
1916 NewStuff for rationale and an example.
1917
13b685f9
PH
1918PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1919
395ff96d
PH
1920PH/02 Patch to exigrep to allow it to work on syslog lines.
1921
5b68f6e4
PH
1922PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1923 fread() to skip over the body file's header line, because in Cygwin the
1924 header line is locked and is inaccessible.
1925
1ab52c69
PH
1926PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1927 co-exist for some time) to make it clear that it is the Exim ID that is
1928 referenced, not the Message-ID: header line.
1929
b07e6aa3
PH
1930PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
1931 string_format() function, because snprintf() does not exist on all
1932 operating systems.
1933
254e032f
PH
1934PH/06 The use of forbid_filter_existstest now also locks out the use of the
1935 ${stat: expansion item.
1936
3af76a81
PH
1937PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
1938 protocol synchronization error", to keep the pedants happy.
1939
2548ba04
PH
1940PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
1941 well as for IRIX systems, when gcc is being used. See the host.c source
1942 file for comments.
1943
b6c6011d
PH
1944PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
1945
cf39cf57
PH
1946PH/10 Named domain lists were not working if used in a queue_smtp_domains
1947 setting.
1948
f1513293
PH
1949PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
1950 transport and to the smtp transport in LMTP mode.
1951
727549a4
PH
1952TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
1953
af46795e
PH
1954PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
1955 run a filter in a subprocess. This could lead to confusion in subsequent
1956 lookups in the parent process. There should also be a search_tidyup() at
1957 the end of the subprocess.
1958
d7b47fd0
PH
1959PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
1960 only if the host matched helo_try_verify_hosts, which caused the
1961 verification to occur when the EHLO/HELO command was issued. The ACL just
1962 tested the remembered result. Now, if a previous verification attempt has
1963 not happened, "verify = helo" does it there and then.
1964
ee744174
JJ
1965JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
1966
b582ab87
PH
1967TK/03 Fix log output including CR from clamd.
1968
41a13e0a
PH
1969PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
1970 exist provoked a memory error which could cause a segfault.
1971
f625cc5a
PH
1972PH/15 Installed PCRE 6.2
1973
1974PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
1975
21f7af35
PH
1976PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
1977 of the problem. Specifically, suggested +O2 rather than +O1 for the
1978 HP-UX compiler.
1979
31480e42
PH
1980PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
1981
2d280592
PH
1982PH/20 If a delivery was routed to a non-standard port by means of an SRV
1983 record, the port was not correctly logged when the outgoing_port log
1984 selector was set (it logged the transort's default port).
1985
7cd1141b
PH
1986PH/21 Added support for host-specific ports to manualroute, queryprogram,
1987 fallback_hosts, and "hosts" in the smtp transport.
1988
1989PH/22 If the log selector "outgoing_port" is set, the port is now also given on
1990 host errors such as "Connection refused".
1991
750af86e
PH
1992PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
1993 authentication with radiusclient 0.4.9:
1994
1995 - Error returned from rc_read_config was caught wrongly
1996 - Username/password not passed on to radius server due to wrong length.
1997
1998 The presumption is that some radiusclient API changes for 4.51/PH/17
1999 were not taken care of correctly. The code is still untested by me (my
2000 Linux distribution still has 0.3.2 of radiusclient), but it was
2001 contributed by a Radius user.
2002
2003PH/24 When doing a callout, the value of $domain wasn't set correctly when
2004 expanding the "port" option of the smtp transport.
2005
4304270b
TK
2006TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
2007 while reading a MIME header. Thanks to Tom Hughes for a patch.
2008
750af86e
PH
2009PH/24 Include config.h inside local_scan.h so that configuration settings are
2010 available.
2011
64ffc24f
PH
2012PH/25 Make $smtp_command_argument available after all SMTP commands. This means
2013 that in an ACL for RCPT (for example), you can examine exactly what was
2014 received.
2015
5dd9625b
PH
2016PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
2017 commands, but it was not correctly comparing the address with the actual
2018 client host address. Thus, it would show the EHLO address in Received:
2019 header lines when this was not necessary.
2020
5591031b
PH
2021PH/27 Added the % operator to ${eval:}.
2022
ba18e66a
PH
2023PH/28 Exim tries to create and chdir to its spool directory when it starts;
2024 it should be ignoring failures (because with -C, for example, it has lost
2025 privilege). It wasn't ignoring creation failures other than "already
2026 exists".
2027
9cec981f
PH
2028PH/29 Added "crypteq" to the list of supported features that Exim outputs when
2029 -bV or -d is used.
2030
aa2b5c79
PH
2031PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
2032 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
2033 too many continuations, the temporary file was not being removed, and the
2034 return code was incorrect.
aa2b5c79 2035
48a53b7f
PH
2036PH/31 Missing "BOOL" in function definition in filtertest.c.
2037
1c59d63b
PH
2038PH/32 Applied Sieve patches from the maintainer.
2039
671012da
TK
2040TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
2041
1509d3a8
PH
2042PH/33 Added "verify = not_blind".
2043
2044PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
2045 Local/Makefile (with some defaults set). These are used in built scripts
2046 such as exicyclog, but they have never been used in the exim_install
2047 script (though there are many overriding facilities there). I have
2048 arranged that the exim_install script now takes note of these two
2049 settings.
2050
2051PH/35 Installed configuration files for Dragonfly.
2052
2fe1a124
PH
2053PH/36 When a locally submitted message by a trusted user did not contain a
2054 From: header, and the sender address was obtained from -f or from an SMTP
2055 MAIL command, and the trusted user did not use -F to supply a sender
2056 name, $originator_name was incorrectly used when constructing a From:
2057 header. Furthermore, $originator_name was used for submission mode
2058 messages from external hosts without From: headers in a similar way,
2059 which is clearly wrong.
2060
8800895a
PH
2061PH/37 Added control=suppress_local_fixups.
2062
ccfdb010
PH
2063PH/38 When log_selector = +received_sender was set, and the addition of the
2064 sender made the log line's construction buffer exactly full, or one byte
2065 less than full, an overflow happened when the terminating "\n" was
2066 subsequently added.
2067
1130bfb0
PH
2068PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
2069 when the result of a list match is failure because a DNS lookup failed.
2070
ebcb507f
PH
2071PH/40 RM_COMMAND is now used in the building process.
2072
c35e155c
PH
2073PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
2074 the "build-* directories that it finds.
2075
95d1f782
PH
2076PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
2077 address in a domain literal was a prefix of an interface address.
2078
fd6de02e
PH
2079PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
2080 when verifying a sender address, unless rewrite_headers is false.
2081
58de37c5
PH
2082PH/44 Wrote a long comment about why errors_to addresses are verified as
2083 recipients, not senders.
2084
261cf466
TF
2085TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
2086 the ratelimit ACL was added.
2087
3ee512ff
PH
2088PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
2089
e08c430f
PH
2090PH/46 Added extra information about PostgreSQL errors to the error string.
2091
bef5a11f
PH
2092PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
2093 avoiding the need to install special zones in a real server. This is
2094 backwards compatible; if it can't find the fake resolver, it drops back.
2095 Thus, both old and new test suites can be run.
2096
7546de58
TF
2097TF/02 Added util/ratelimit.pl
2098
e5d5a95f
TF
2099TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
2100 clock is set back in time.
2101
2e88a017
TF
2102TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
2103 Candler <B.Candler@pobox.com>.
2104
a5f65aa4
TF
2105TF/05 The fix for PH/43 was not completely correct; widen_domains is always
2106 OK for addresses that are the result of redirections.
2107
e7726cbf
PH
2108PH/48 A number of further additions for the benefit of the new test suite,
2109 including a fake gethostbyname() that interfaces to the fake DNS resolver
2110 (see PH/47 above).
2111
a7fdad5b
TF
2112TF/06 The fix for widen_domains has also been applied to qualify_single and
2113 search_parents which are the other dnslookup options that can cause
2114 header rewrites.
2115
6af56900
PH
2116PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
2117 type ("H").
2118
0925ede6
PH
2119PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
2120
66afa403
TF
2121TF/07 Exim produced the error message "an SRV record indicated no SMTP
2122 service" if it encountered an MX record with an empty target hostname.
2123 The message is now "an MX or SRV record indicated no SMTP service".
2124
0154e85a
TF
2125TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
2126 if the DNS of the sending site is misconfigured. This is quite a
2127 common situation. This change restores the behaviour of treating a
2128 helo verification defer as a failure.
2129
16f12c76
PH
2130PH/51 If self=fail was set on a router, the bounce message did not include the
2131 actual error message.
2132
bbe902f0 2133
e5a9dba6
PH
2134Exim version 4.52
2135-----------------
2136
2137TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
2138
22c3b60b
PH
2139PH/01 When a transport filter timed out in a pipe delivery, and the pipe
2140 command itself ended in error, the underlying message about the transport
2141 filter timeout was being overwritten with the pipe command error. Now the
2142 underlying error message should be appended to the second error message.
2143
06a9b4b5
PH
2144TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2145
c1ac6996
PH
2146PH/02 Reduce the amount of output that "make" produces by default. Full output
2147 can still be requested.
2148
9c7a242c
PH
2149PH/03 The warning log line about a condition test deferring for a "warn" verb
2150 was being output only once per connection, rather than after each
2151 occurrence (because it was using the same function as for successful
2152 "warn" verbs). This seems wrong, so I have changed it.
2153
87ba3f5f
PH
2154TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2155 it should not have, which might have caused a crash in the right
2156 circumstances, but probably never did.
2157
2158PH/04 Installed a modified version of Tony Finch's patch to make submission
2159 mode fix the return path as well as the Sender: header line, and to
2160 add a /name= option so that you can make the user's friendly name appear
2161 in the header line.
2162
29aba418
TF
2163TF/03 Added the control = fakedefer ACL modifier.
2164
fe0dab11
TF
2165TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2166 Mark Lowes for thorough testing.
870f6ba8 2167
11d337a4
TK
2168TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2169
2170TK/03 Merged latest SRS patch from Miles Wilton.
2171
415c8f3b
PH
2172PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2173 with the definition in sysexits.h (which is #included earlier).
2174 Fortunately, Exim does not actually use EX_OK. The code used to try to
2175 preserve the sysexits.h value, by assumimg that macro definitions were
2176 scanned for macro replacements. I have been disabused of this notion,
2177 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2178
958541e9
PH
2179PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2180 in the smtp transport. When a block could not be written in a single
2181 write() function, the timeout was being re-applied to each part-write.
2182 This seems wrong - if the receiver was accepting one byte at a time it
2183 would take for ever. The timeout is now adjusted when this happens. It
2184 doesn't have to be particularly precise.
2185
c206415f
TK
2186TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2187 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2188
2a4be8f9
PH
2189PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2190 without a domain if the check to <postmaster@domain> fails.
2191
1cba11c5
SC
2192SC/01 Eximstats: added -xls and the ability to specify output files
2193 (patch written by Frank Heydlauf).
2194
2195SC/02 Eximstats: use FileHandles for outputing results.
2196
2197SC/03 Eximstats: allow any combination of xls, txt, and html output.
2198
2199SC/04 Eximstats: fixed display of large numbers with -nvr option
2200
2201SC/05 Eximstats: fixed merging of reports with empty tables.
2202
2203SC/06 Eximstats: added the -include_original_destination flag
2204
2205SC/07 Eximstats: removed tabs and trailing whitespace.
2206
1005d00e
TK
2207TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2208
2209TK/06 MBOX spool code: Add real "From " MBOX separator line
2210 so the .eml file is really in mbox format (even though
2211 most programs do not really care). Patch from Alex Miller.
2212
2213TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2214 The latter is generated from $received_to and is only set if the
2215 message has one envelope recipient. SA can use these headers,
2216 obviously out-of-the-box. Patch from Alex Miller.
2217
9b4768fa
PH
2218PH/08 The ${def test on a variable was returning false if the variable's
2219 value was "0", contrary to what the specification has always said!
2220 The result should be true unless the variable is empty.
2221
2222PH/09 The syntax error of a character other than { following "${if
2223 def:variable_name" (after optional whitespace) was not being diagnosed.
2224 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2225 accidental colon was present, for example, could give incorrect results.
2226
0d7eb84a
PH
2227PH/10 Tidied the code in a number of places where the st_size field of a stat()
2228 result is used (not including appendfile, where other changes are about
2229 to be made).
2230
2231PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2232 This involved changing a lot of size variables from int to off_t. It
2233 should work with maildirs and everything.
2234
40727bee
TK
2235TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2236 spamd dying while we are connected to it.
2237
554d2369
TF
2238TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2239 <jgh@wizmail.org>
2240
1f922db1
PH
2241PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2242 function for BDB 4.3.
2243
ef213c3b
PH
2244PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2245
8ac170f3
PH
2246PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2247 the sources for PCRE have been re-arranged and more files are now
2248 involved.
2249
b1c749bb
PH
2250PH/15 The code I had for printing potentially long long variables in PH/11
2251 above was not the best (it lost precision). The length of off_t variables
2252 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2253 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2254 to be "long long int" or "long int". This is needed for the internal
2255 formatting function string_vformat().
b1c749bb 2256
4aac9b49
PH
2257PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2258 the configuration file to be ":syslog", then the script "guesses" where
2259 the logs files are, rather than using the compiled in default. In our
2260 case the guess is not the same as the compiled default, so the script
2261 suddenly stopped working when I started to use syslog. The patch checks
2262 to see if log_file_path is "". If so, it attempts to read it from exim
2263 with no configuration file to get the compiled in version, before it
2264 falls back to the previous guessing code."
2265
294520c8
TK
2266TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2267 implementing BATV in an Exim configuration. See NewStuff for the gory
2268 details.
2269
5bd022fe
PH
2270PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2271 Makefile that are specific to HP-UX.
2272
90e9ce59
PH
2273PH/18 If the "use_postmaster" option was set for a recipient callout together
2274 with the "random" option, the postmaster address was used as the MAIL
2275 FROM address for the random test, but not for the subsequent recipient
2276 test. It is now used for both.
2277
5ea81592
PH
2278PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2279 patch removes a few documentation additions to RFC 3028, because the
2280 latest draft now contains them. It adds the new en;ascii-case comparator
2281 and a new error check for 8bit text in MIME parts. Comparator and
2282 require names are now matched exactly. I enabled the subaddress
2283 extension, but it is not well tested yet (read: it works for me)."
2284
c6c2dc1d
PH
2285PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2286 rework some of the code of TK/09 above to avoid the hardwired use of
2287 "%lld" and "long long". Replaced the call to snprintf() with a call to
2288 string_vformat().
2289
fffffe4c
PH
2290PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2291 records point to non-existent hosts", "retry timeout exceeded", and
2292 "retry time not reached for any host after a long failure period".
ca02eafb 2293
9a26b6b2
PH
2294PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2295 experimental DomainKeys support:
2296
2297 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2298 (2) On an error such as an illegally used "control", the wrong name for
2299 the control was given.
2300
2301 These problems did NOT occur unless DomainKeys support was compiled.
2302
4aee0225
PH
2303PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2304
32d668a5
PH
2305PH/24 Added ${if match_ip condition.
2306
8187c3f3
PH
2307PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2308 databases so that it will be absolutely obvious if a crash occurs in the
2309 DB library. This is a regular occurrence (often caused by mis-matched
2310 db.h files).
2311
ff790e47 2312PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2313 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2314 picked up on a user's system that detects such things. There doesn't seem
2315 to be a gcc warning option for this - only an attribute that has to be
2316 put on the function's prototype. It seems that in Fedora Core 4 they have
2317 set this on a number of new functions. No doubt there will be more in due
2318 course.
ff790e47 2319
5417f6d1
PH
2320PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2321 specify a transport. However, if an address that was verified by such a
2322 router was the subject of a callout, Exim crashed because it tried to
2323 read the rcpt_include_affixes from the non-existent transport. Now it
2324 just assumes that the setting of that option is false. This bug was
2325 introduced by 4.51/PH/31.
2326
59cf8544
PH
2327PH/28 Changed -d+all to exclude +memory, because that information is very
2328 rarely of interest, but it makes the output a lot bigger. People tend to
2329 do -d+all out of habit.
2330
e7ad8a65
PH
2331PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2332 code in os-type was giving problems when libc.so lives in lib64, like on
2333 x86_64 Fedora Core.
2334
ade42478
PH
2335PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2336 aren't the modern standard, and it seems that some systems' include files
2337 don't always have them. Exim was already checking for some of the newer
2338 ones like T_AAAA, and defining it itself. I've added checks for all the
2339 record types that Exim uses.
2340
182ad5cf
PH
2341PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2342 not automatically generating a new one, as it is supposed to. This
2343 prevented TLS from working. If the file did exist, but contained invalid
2344 data, a new version was generated, as expected. It was only the case of a
2345 non-existent file that was broken.
2346
b0d9fc80
TK
2347TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2348 with a change in libdomainkeys > 0.64.
2349
2350TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2351 from DNS. If the selector record carries the flag, it now has
2352 precedence over the domain-wide flag.
2353
2354TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2355
47c7a64a
PH
2356PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2357 the use of a port name that isn't defined in /etc/services) occurred, the
2358 message was deferred as in a normal delivery, and thus remained on the
2359 spool, instead of being failed because of the mua_wrapper setting. This
2360 is now fixed, and I tidied up some of the mua_wrapper messages at the
2361 same time.
2362
a388bce4
SC
2363SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2364 the messages in a hash of arrays rather than using individual hashes.
2365 This is a bit cleaner and results in dramatic memory savings, albeit
2366 at a slight CPU cost.
2367
2368SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2369 as requested by Marc Sherman.
2370
2371SC/10 Eximstats: added histograms for user specified patterns as requested
2372 by Marc Sherman.
2373
0793e4ed
SC
2374SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2375
c58b88df
PH
2376PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2377 fopen() in the content-scanning modules that did not already have it.
2378
e7ad8a65 2379
7982096b
PH
2380Exim version 4.51
2381-----------------
2382
1a46a8c5
PH
2383TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2384 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2385
2f079f46 2386TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2387
2388TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2389
2390PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2391 to test Sieve filters that use "vacation".
2392
2393PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2394 that changes the way the GnuTLS parameters are stored in the cache file.
2395 The new format can be generated externally. For backward compatibility,
2396 if the data in the cache doesn't make sense, Exim assumes it has read an
2397 old-format file, and it generates new data and writes a new file. This
2398 means that you can't go back to an older release without removing the
2399 file.
2400
2401PH/03 A redirect router that has both "unseen" and "one_time" set does not
2402 work if there are any delivery delays because "one_time" forces the
2403 parent to be marked "delivered", so its unseen clone is never tried
2404 again. For this reason, Exim now forbids the simultaneous setting of
2405 these two options.
2406
2407PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2408 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2409 entry if you want to know the details. The fix, however, neglected to
2410 consider the case when local delivery batching is involved. The test for
2411 "previously delivered" was not happening when checking to see if an
2412 address could be batched with a previous (undelivered) one; under
2413 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2414 address.
1a46a8c5
PH
2415
2416PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2417 in its include files, and this causes problems building Exim.
2418
2419PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2420 header_syntax) but Exim was just ignoring anything given after a slash.
2421 In particular, this caused confusion with an attempt to use "verify =
2422 reverse_host_lookup/defer_ok". An error is now given when options are
2423 supplied for verify items that do not have them. (Maybe reverse_host_
2424 lookup should have a defer_ok option, but that's a different point.)
2425
2426PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2427 defined by RFC 821) to 2048, because there were problems with some AUTH
2428 commands, and RFC 1869 says the size should be increased for extended
2429 SMTP commands that take arguments.
2430
2431PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2432 Finch).
2433
2434PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2435 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2436
49c2d5ea
PH
2437PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2438 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2439 whatever). Otherwise the password may appear in the log. Following change
2440 PH/42 below, there is no longer a chance of it appearing in a bounce
2441 message.
49c2d5ea 2442
bf759a8b
PH
2443PH/11 Installed exipick version 20050225.0 from John Jetmore.
2444
83364d30
PH
2445PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2446 of its addresses was ever tried. (Bugzilla bug #2.)
2447
7999bbd7
PH
2448PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2449 the result incorrectly in the debug output. (It correctly added a newline
2450 to what was transported.)
2451
7dbf77c9
PH
2452TF/01 Added $received_time.
2453
74e0617f
PH
2454PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2455 commented out examples of how to interface to a virus scanner and to
2456 SpamAssassin. Also added commented examples of av_scanner and
2457 spamd_address settings.
2458
2f079f46
PH
2459PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2460 and controls are allowed in which ACLs. There were a couple of minor
2461 errors. Some of the entries in the conditions table (which is a table of
2462 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2463 negation of where the condition IS allowed.
2464
8c841523
PH
2465PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2466
7766a4f0
PH
2467PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2468 header file does not have a version number, so I've had to invent a new
2469 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2470 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2471 radiusclient), but it was contributed by a Radius user.
2472
8b417f2c
PH
2473PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2474 files or directories, for OpenSSL.
2475
901f42cb
PH
2476PH/19 When an Exim process that is running as root has to create an Exim log
2477 file, it does so in a subprocess that runs as exim:exim so as to get the
2478 ownership right at creation (otherwise, other Exim processes might see
2479 the file with the wrong ownership). There was no test for failure of this
2480 fork() call, which would lead to the process getting stuck as it waited
2481 for a non-existent subprocess. Forks do occasionally fail when resources
2482 run out. I reviewed all the other calls to fork(); they all seem to check
2483 for failure.
2484
f9b9210e
PH
2485PH/20 When checking for unexpected SMTP input at connect time (before writing
2486 the banner), Exim was not dealing correctly with a non-positive return
2487 from the read() function. If the client had disconnected by this time,
2488 the result was a log entry for a synchronization error with an empty
2489 string after "input=" when read() returned zero. If read() returned -1
2490 (an event I could not check), uninitialized data bytes were printed.
2491 There were reports of junk text (parts of files, etc) appearing after
2492 "input=".
2493
54cdb463
PH
2494PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2495
cf00dad6
PH
2496PH/22 Added support for macro redefinition, and (re)definition in between
2497 driver and ACL definitions.
2498
acb1b346
PH
2499PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2500 forgetting to use the resulting value; it was using the unexpanded value.
2501
c5ddb310
PH
2502PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2503 hadn't been configured. The fix is from Juergen Kreileder, who
2504 understands it better than I do:
2505
2506 "Here's what I see happening with three configured cyrus_sasl
2507 authenticators configured (plain, login, cram-md5):
2508
2509 On startup auth_cyrus_sasl_init() gets called for each of these.
2510 This means three calls to sasl_listmech() without a specified mech_list.
2511 => SASL tests which mechs of all available mechs actually work
2512 => three warnings about OTP not working
2513 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2514
2515 With the patch, sasl_listmech() also gets called three times. But now
2516 SASL's mech_list option is set to the server_mech specified in the the
2517 authenticator. Or in other words, the answer from sasl_listmech()
2518 gets limited to just the mech you're testing for (which is different
2519 for each call.)
2520 => the return list contains just 'plain' or 'login', 'cram-md5' or
2521 nothing depending on the value of ob->server_mech.
2522
2523 I've just tested the patch: Authentication still works fine,
2524 unavailable mechs specified in the exim configuration are still
2525 caught, and the auth.log warnings about OTP are gone."
2526
31619da6
PH
2527PH/25 When debugging is enabled, the contents of the command line are added
2528 to the debugging output, even when log_selector=+arguments is not
2529 specified.
2530
bebaf0fc
PH
2531PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2532 answer is "GNU", and only if the return is "GNU/something" is the answer
2533 "Linux".
2534
475fe28a
PH
2535PH/27 $acl_verify_message is now set immediately after the failure of a
2536 verification in an ACL, and so is available in subsequent modifiers. In
2537 particular, the message can be preserved by coding like this:
2538
2539 warn !verify = sender
2540 set acl_m0 = $acl_verify_message
2541
2542 Previously, $acl_verify_message was set only while expanding "message"
2543 and "log_message" when a very denied access.
2544
7e8bec7a
PH
2545PH/28 Modified OS/os.c-Linux with
2546
2547 -#ifndef OS_LOAD_AVERAGE
2548 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2549
2550 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2551 nomenclature these days.)
2552
e4a89c47
PH
2553PH/29 Installed patch from the Sieve maintainer that adds the options
2554 sieve_useraddress and sieve_subaddress to the redirect router.
2555
5ca2a9a1
PH
2556PH/30 In these circumstances:
2557 . Two addresses routed to the same list of hosts;
2558 . First host does not offer TLS;
2559 . First host accepts first address;
2560 . First host gives temporary error to second address;
2561 . Second host offers TLS and a TLS session is established;
2562 . Second host accepts second address.
2563 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2564 and peerdn, if requested) that were in fact used only for the second
2565 address.
7e8bec7a 2566
c688b954
PH
2567PH/31 When doing a callout as part of verifying an address, Exim was not paying
2568 attention to any local part prefix or suffix that was matched by the
2569 router that accepted the address. It now behaves in the same way as it
2570 does for delivery: the affixes are removed from the local part unless
2571 rcpt_include_affixes is set on the transport.
2572
fed77020
PH
2573PH/32 Add the sender address, as F=<...>, to the log line when logging a
2574 timeout during the DATA phase of an incoming message.
2575
7fe1560f
PH
2576PH/33 Sieve envelope tests were broken for match types other than :is. I have
2577 applied a patch sanctioned by the Sieve maintainer.
c688b954 2578
ebb6e6d5
PH
2579PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2580 the uid or gid is negative. A case of a negative gid caused this to be
2581 noticed. The fix allows for either to be negative.
2582
9c4e8f60
PH
2583PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2584 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2585 overlooked.
2586
2587PH/36 The change PH/12 above was broken. Fixed it.
2588
d7174846
PH
2589PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2590 the grounds that routing the same address twice would always produce the
2591 same answer. This might have been true once, but it is certainly no
2592 longer true now. Routing a child address may depend on the previous
2593 routing that produced that child. Some complicated redirection strategies
2594 went wrong when messages had multiple recipients, and made Exim's
2595 behaviour dependent on the order in which the addresses were given.
2596
2597 I have moved the duplicate checking until after the routing is complete.
2598 Exim scans the addresses that are assigned to local and remote
2599 transports, and removes any duplicates. This means that more work will be
2600 done, as duplicates will always all be routed, but duplicates are
2601 presumably rare, so I don't expect this is of any significance.
2602
2603 For deliveries to pipes, files, and autoreplies, the duplicate checking
2604 still happens during the routing process, since they are not going to be
2605 routed further.
2606
cfe75fc3
PH
2607PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2608 It corrects a timeout issue with spamd. This is Ian's comment: "The
2609 background is that sometimes spamd either never reads data from a
2610 connection it has accepted, or it never writes response data. The exiscan
2611 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2612 blindly assumes that writes won't block so it may never time out."
2613
be22d70e
PH
2614PH/39 Allow G after quota size as well as K and M.
2615
0612b098
PH
2616PH/40 The value set for $authenticated_id in an authenticator may not contain
2617 binary zeroes or newlines because the value is written to log lines and
2618 to spool files. There was no check on this. Now the value is run through
2619 the string_printing() function so that such characters are converted to
2620 printable escape sequences.
2621
2e0c1448
PH
2622PH/41 $message_linecount is a new variable that contains the total number of
2623 lines in the message. Compare $body_linecount, which is the count for the
2624 body only.
2625
447d236c
PH
2626PH/42 Exim no longer gives details of delivery errors for specific addresses in
2627 bounce and delay warning messages, except in certain special cases, which
2628 are as follows:
2629
2630 (a) An SMTP error message from a remote host;
2631 (b) A message specified in a :fail: redirection;
2632 (c) A message specified in a "fail" command in a system filter;
2633 (d) A message specified in a FAIL return from the queryprogram router;
2634 (e) A message specified by the cannot_route_message router option.
2635
2636 In these cases only, Exim does include the error details in bounce and
2637 warning messages. There are also a few cases where bland messages such
2638 as "unrouteable address" or "local delivery error" are given.
2639
d20976dc
PH
2640PH/43 $value is now also set for the "else" part of a ${run expansion.
2641
f656d135
PH
2642PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2643 being worked on, but at least Exim now implements the latest version to
2644 play with."
2645
2e2a30b4
PH
2646PH/45 In a pipe transport, although a timeout while waiting for the pipe
2647 process to complete was treated as a delivery failure, a timeout while
2648 writing the message to the pipe was logged, but erroneously treated as a
2649 successful delivery. Such timeouts include transport filter timeouts. For
2650 consistency with the overall process timeout, these timeouts are now
2651 treated as errors, giving rise to delivery failures by default. However,
2652 there is now a new Boolean option for the pipe transport called
2653 timeout_defer, which, if set TRUE, converts the failures into defers for
2654 both kinds of timeout. A transport filter timeout is now identified in
2655 the log output.
2656
9176e9f0
PH
2657PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2658 systems where "make" and "gmake" are different, calling "gmake" at top
2659 level broke things. I've arranged for the value of $(MAKE) to be passed
2660 from the Makefile to this script so that it can call the same version of
2661 "make".
2662
7982096b 2663
bbe902f0
PH
2664A note about Exim versions 4.44 and 4.50
2665----------------------------------------
2666
2667Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2668changes of various kinds. As a consequence, a big documentation update was
2669needed. This delayed the release for rather longer than seemed good, especially
2670in the light of a couple of (minor) security issues. Therefore, the changes
2671that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2672release. So 4.44 and 4.50 are in effect two different branches that both start
2673from 4.43.
2674
2675I have left the 4.50 change log unchanged; it contains all the changes since
26764.43. The change log for 4.44 is below; many of its items are identical to
2677those for 4.50. This seems to be the most sensible way to preserve the
2678historical information.
2679
2680
f7b63901 2681Exim version 4.50
495ae4b0
PH
2682-----------------
2683
5fe762f6
PH
2684 1. Minor wording change to the doc/README.SIEVE file.
2685
139059f6 2686 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2687 computation of the current number of files was incorrect.
495ae4b0 2688
7086e875
PH
2689 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2690 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2691 place.
2692
35af9f61
PH
2693 4. Give more explanation in the error message when the command for a transport
2694 filter fails to execute.
2695
b668c215
PH
2696 5. There are several places where Exim runs a non-Exim command in a
2697 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2698 was being done only for the command run by the queryprogram router. It is
2699 now done for all such subprocesses. The other cases are: ${run, transport
2700 filters, and the commands run by the lmtp and pipe transports.
2701
a494b1e1
PH
2702 6. Added CONFIGURE_GROUP build-time option.
2703
2704 7. Some older OS have a limit of 256 on the maximum number of file
2705 descriptors. Exim was using setrlimit() to set 1000 as a large value
2706 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2707 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2708
c5fcb476
PH
2709 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2710 was an oversight, and furthermore, ever since the addition of extra
2711 controls (e.g. 4.43/32), the checks on when to allow different forms of
2712 "control" were broken. There should now be diagnostics for all cases when a
2713 control that does not make sense is encountered.
2714
69358f02
PH
2715 9. Added the /retain_sender option to "control=submission".
2716
5be20824
PH
271710. $recipients is now available in the predata ACL (oversight).
2718
eb2c0248
PH
271911. Tidy the search cache before the fork to do a delivery from a message
2720 received from the command line. Otherwise the child will trigger a lookup
2721 failure and thereby defer the delivery if it tries to use (for example) a
2722 cached ldap connection that the parent has called unbind on.
2723
2a3eea10
PH
272412. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2725 of $address_data from the recipient verification was clobbered by the
2726 sender verification.
2727
272813. The value of address_data from a sender verification is now available in
2729 $sender_address_data in subsequent conditions in the ACL statement.
2730
23c7ff99
PH
273114. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2732
4deaf07d
PH
273315. Added a new option "connect=<time>" to callout options, to set a different
2734 connection timeout.
2735
926e1192
PH
273616. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2737 was its contents. (It was OK if the option was not defined at all.)
2738
650edc6f
PH
273917. A "Completed" log line is now written for messages that are removed from
2740 the spool by the -Mrm option.
2741
2c7db3f5
PH
274218. New variables $sender_verify_failure and $recipient_verify_failure contain
2743 information about exactly what failed.
2744
3d235903
PH
274519. Added -dd to debug only the daemon process.
2746
7c7ad977
PH
274720. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2748 handles timeouts, both on the server side and network timeouts. Renamed the
2749 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2750
981756db
PH
275121. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2752 It is now set to "smtps".
2753
d4eb88df
PH
275422. $host_address is now set to the target address during the checking of
2755 ignore_target_hosts.
2756
275723. When checking ignore_target_hosts for an ipliteral router, no host name was
2758 being passed; this would have caused $sender_host_name to have been used if
2759 matching the list had actually called for a host name (not very likely,
2760 since this list is usually IP addresses). A host name is now passed as
2761 "[x.x.x.x]".
2762
7d468ab8
PH
276324. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2764 code that specifies a non-restarting handler (typically sigaction() in
2765 modern systems) in an attempt to fix a rare and obscure crash bug.
2766
276725. Narrowed the window for a race in the daemon that could cause it to ignore
2768 SIGCHLD signals. This is not a major problem, because they are used only to
2769 wake it up if nothing else does.
2770
62c0818f
PH
277126. A malformed maildirsize file could cause Exim to calculate negative values
2772 for the mailbox size or file count. Odd effects could occur as a result.
2773 The maildirsize information is now recalculated if the size or filecount
2774 end up negative.
2775
26034054
PH
277627. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2777 support for a long time. Removed HAVE_SYS_VFS_H.
2778
af66f652
PH
277928. Installed the latest version of exipick from John Jetmore.
2780
90af77f4
PH
278129. In an address list, if the pattern was not a regular expression, an empty
2782 subject address (from a bounce message) matched only if the pattern was an
2783 empty string. Non-empty patterns were not even tested. This was the wrong
2784 because it is perfectly reasonable to use an empty address as part of a
2785 database query. An empty address is now tested by patterns that are
2786 lookups. However, all the other forms of pattern expect the subject to
2787 contain a local part and a domain, and therefore, for them, an empty
2788 address still always fails if the pattern is not itself empty.
2789
d8ef3577
PH
279030. Exim went into a mad DNS loop when attempting to do a callout where the
2791 host was specified on an smtp transport, and looking it up yielded more
2792 than one IP address.
2793
5cb8cbc6
PH
279431. Re-factored the code for checking spool and log partition space into a
2795 function that finds that data and another that does the check. The former
2796 is then used to implement four new variables: $spool_space, $log_space,
2797 $spool_inodes, and $log_inodes.
2798
14702f5b
PH
279932. The RFC2047 encoding function was originally intended for short strings
2800 such as real names; it was not keeping to the 75-character limit for
2801 encoded words that the RFC imposes. It now respects the limit, and
2802 generates multiple encoded words if necessary. To be on the safe side, I
2803 have increased the buffer size for the ${rfc2047: expansion operator from
2804 1024 to 2048 bytes.
2805
063b1e99
PH
280633. It is now permitted to omit both strings after an "if" condition; if the
2807 condition is true, the result is "true". As before, when the second string
2808 is omitted, a false condition yields an empty string. This makes it less
2809 cumbersome to write custom ACL and router conditions.
2810
652e1b65
PH
281134. Failure to deliver a bounce message always caused it to be frozen, even if
2812 there was an errors_to setting on the router. The errors_to setting is now
2813 respected.
2814
6f0c9a4f
PH
281535. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2816 canonical form (fully expanded) before being placed in
2817 $sender_host_address.
2818
33397d19
PH
281936. The table in the code that translates DNS record types into text (T_A to
2820 "A" for instance) was missing entries for NS and CNAME. It is just possible
2821 that this could have caused confusion if both these types were looked up
2822 for the same domain, because the text type is used as part of Exim's
2823 per-process caching. But the chance of anyone hitting this buglet seems
2824 very small.
2825
7bb56e1f
PH
282637. The dnsdb lookup has been extended in a number of ways.
2827
2828 (1) There is a new type, "zns", which walks up the domain tree until it
2829 finds some nameserver records. It should be used with care.
2830
ea3bc19b
PH
2831 (2) There is a new type, "mxh", which is like "mx" except that it returns
2832 just the host names, not the priorities.
2833
2834 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2835 looked up. The behaviour when one of the lookups defers can be
2836 controlled by a keyword.
7bb56e1f 2837
ea3bc19b 2838 (4) It is now possible to specify the separator character for use when
7bb56e1f 2839 multiple records are returned.
33397d19 2840
0bcb2a0e
PH
284138. The dnslists ACL condition has been extended: it is now possible to supply
2842 a list of IP addresses and/or domains to be looked up in a particular DNS
2843 domain.
2844
2ac0e484
PH
284539. Added log_selector=+queue_time_overall.
2846
4e1fde53
PH
284740. When running the queue in the test harness, wait just a tad after forking a
2848 delivery process, to get repeatability of debugging output.
2849
de365ded
PH
285041. Include certificate and key file names in error message when GnuTLS fails
2851 to set them up, because the GnuTLS error message doesn't include the name
2852 of the failing file when there is a problem reading it.
2853
f05da2e8
PH
285442. Allow both -bf and -bF in the same test run.
2855
d6453af2
PH
285643. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2857
f7b63901
PH
285844. The "Exiscan patch" is now merged into the mainline Exim source.
2859
286045. Sometimes the final signoff response after QUIT could fail to get
2861 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2862 < 0 before doing a fflush(). This bug looks as though it goes back to the
2863 introduction of TLS in release 3.20, but "sometimes" must have been rare
2864 because the tests only now provoked it.
2865
a444213a
PH
286646. Reset the locale to "C" after calling embedded Perl, in case it was changed
2867 (this can affect the format of dates).
2868
0ec020ea
PH
286947. exim_tidydb, when checking for the continued existence of a message for
2870 which it has found a message-specific retry record, was not finding
2871 messages that were in split spool directories. Consequently, it was
2872 deleting retry records that should have stayed in existence.
2873
b1206957
PH
287448. Steve fixed some bugs in eximstats.
2875
287649. The SPA authentication driver was not abandoning authentication and moving
2877 on to the next authenticator when an expansion was forced to fail,
2878 contradicting the general specification for all authenticators. Instead it
2879 was generating a temporary error. It now behaves as specified.
2880
26dd5a95
PH
288150. The default ordering of permitted cipher suites for GnuTLS was pessimal
2882 (the order specifies the preference for clients). The order is now AES256,
2883 AES128, 3DES, ARCFOUR128.
2884
343b2385
PH
288551. Small patch to Sieve code - explicitly set From: when generating an
2886 autoreply.
2887
1c5466b9
PH
288852. Exim crashed if a remote delivery caused a very long error message to be
2889 recorded - for instance if somebody sent an entire SpamAssassin report back
2890 as a large number of 550 error lines. This bug was coincidentally fixed by
2891 increasing the size of one of Exim's internal buffers (big_buffer) that
2892 happened as part of the Exiscan merge. However, to be on the safe side, I
2893 have made the code more robust (and fixed the comments that describe what
2894 is going on).
2895
55ee9ee3
PH
289653. Now that there can be additional text after "Completed" in log lines (if
2897 the queue_time_overall log selector is set), a one-byte patch to exigrep
2898 was needed to allow it to recognize "Completed" as not the last thing in
2899 the line.
2900
d38f8232
PH
290154. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2902 patch that reportedly fixes this has been added. I am not expert enough to
2903 create a test for it. This is what the patch creator wrote:
2904
2905 "I found a little strange behaviour of ldap code when working with
2906 Windows 2003 AD Domain, where users was placed in more than one
2907 Organization Units. When I tried to give exim partial DN, the exit code
2908 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2909 But simultaneously result of request was absolutely normal ldap result,
2910 so I produce this patch..."
2911
3295e65b
PH
2912 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2913 REFERENCE, so I have modified the code to exclude the patch when that macro
2914 is not defined.
2915
7102e136
PH
291655. Some experimental protocols are using DNS PTR records for new purposes. The
2917 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2918 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2919 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2920 CAN-2005-0021
7102e136 2921
3ca0ba97
PH
292256. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2923
c2bcbe20
PH
292457. Double the size of the debug message buffer (to 2048) so that more of very
2925 long debug lines gets shown.
2926
18ce445d
PH
292758. The exicyclog utility now does better if the number of log files to keep
2928 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2929
1f5b4c3d
PH
293059. Two changes related to the smtp_active_hostname option:
2931
2932 (1) $smtp_active_hostname is now available as a variable.
2933 (2) The default for smtp_banner uses $smtp_active_hostname instead
2934 of $primary_hostname.
2935
b975ba52
PH
293660. The host_aton() function is supposed to be passed a string that is known
2937 to be a valid IP address. However, in the case of IPv6 addresses, it was
2938 not checking this. This is a hostage to fortune. Exim now panics and dies
2939 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
2940 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2941 components; fortuitously, this particular loophole had already been fixed
2942 by change 4.50/55 above.
2943
2944 If there are any other similar loopholes, the new check in host_aton()
2945 itself should stop them being exploited. The report I received stated that
2946 data on the command line could provoke the exploit when Exim was running as
2947 exim, but did not say which command line option was involved. All I could
2948 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2949 running as the user.
ea3a6f44 2950 CAN-2005-0021
85b87bc2
PH
2951
295261. There was a buffer overflow vulnerability in the SPA authentication code
2953 (which came originally from the Samba project). I have added a test to the
2954 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 2955 CAN-2005-0022
b975ba52 2956
17ffcae7
PH
295762. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
2958 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
2959
d95f9fdb
PH
296063. The daemon start-up calls getloadavg() while still root for those OS that
2961 need the first call to be done as root, but it missed one case: when
2962 deliver_queue_load_max is set with deliver_drop_privilege. This is
2963 necessary for the benefit of the queue runner, because there is no re-exec
2964 when deliver_drop_privilege is set.
2965
86b8287f
PH
296664. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
2967 This has been fixed.
2968
60dc5e56
PH
296965. Caching of lookup data for "hosts =" ACL conditions, when a named host list
2970 was in use, was not putting the data itself into the right store pool;
2971 consequently, it could be overwritten for a subsequent message in the same
2972 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
2973 the caching.)
2974
533244af
PH
297566. Added hosts_max_try_hardlimit to the smtp transport, default 50.
2976
a5a28604
PH
297767. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
2978 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
2979 the function were treating the return as a boolean value, which happened to
2980 work because 0=false and not-0=true, but is not correct code.
2981
7e634d24
PH
298268. The host_aton() function was not handling scoped IPv6 addresses (those
2983 with, for example, "%eth0" on the end) correctly.
2984
3e11c26b
PH
298569. Fixed some compiler warnings in acl.c for the bitmaps specified with
2986 negated items (that is, ~something) in unsigned ints. Some compilers
2987 apparently mutter when there is no cast.
2988
6729cf78
PH
298970. If an address verification called from an ACL failed, and did not produce a
2990 user-specific message (i.e. there was only a "system" message), nothing was
2991 put in $acl_verify_message. In this situation, it now puts the system
2992 message there.
2993
00f00ca5
PH
299471. Change 4.23/11 added synchronization checking at the start of an SMTP
2995 session; change 4.31/43 added the unwanted input to the log line - except
2996 that it did not do this in the start of session case. It now does.
2997
c9bdd01c
PH
299872. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
2999 This is wrong and can cause the other end to generate a synchronization
3000 error if it is another Exim or anything else that does the synchronization
3001 check. A QUIT command is no longer sent after a timeout.
3002
d43194df
PH
300373. $host_lookup_deferred has been added, to make it easier to detect DEFERs
3004 during host lookups.
3005
fe5b5d0b
PH
300674. The defer_ok option of callout verification was not working if it was used
3007 when verifying addresses in header lines, that is, for this case:
3008
3009 verify = header_sender/callout=defer_ok
3010
76a2d7ba
PH
301175. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
3012 those file descriptors could be used for SMTP connections. If anything
3013 wrote to stderr (the example that came up was "warn" in embedded Perl), it
3014 could be sent to the SMTP client, causing chaos. The daemon now opens
3015 stdin, stdout, and stderr to /dev/null when it puts itself into the
3016 background.
3017
301876. Arrange for output from Perl's "warn" command to be written to Exim's main
3019 log by default. The user can override this with suitable Perl magic.
3020
04f7d5b9
PH
302177. The use of log_message on a "discard" ACL verb, which is supposed to add to
3022 the log message when discard triggers, was not working for the DATA ACL or
3023 for the non-SMTP ACL.
3024
bc60667e
PH
302578. Error message wording change in sieve.c.
3026
bb6e88ff
PH
302779. If smtp_accept_max_per_host was set, the number of connections could be
3028 restricted to fewer than expected, because the daemon was trying to set up
3029 a new connection before checking whether the processes handling previous
3030 connections had finished. The check for completed processes is now done
3031 earlier. On busy systems, this bug wouldn't be noticed because something
3032 else would have woken the daemon, and it would have reaped the completed
3033 process earlier.
3034
1e70f85b
PH
303580. If a message was submitted locally by a user whose login name contained one
3036 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
3037 It caused a spool format error. I have fixed the spool reading code. A
3038 related problem was that the "from" clause in the Received: line became
3039 illegal because of the space(s). It is now covered by ${quote_local_part.
3040
304181. Included the latest eximstats from Steve (adds average sizes to HTML Top
3042 tables).
3043
4e01f9d6
PH
304482. Updated OS/Makefile-AIX as per message from Mike Meredith.
3045
1ee1cef2
PH
304683. Patch from Sieve maintainer to fix unterminated string problem in
3047 "vacation" handling.
3048
6e2b4ccc
PH
304984. Some minor changes to the Linux configuration files to help with other
3050 OS variants using glibc.
3051
8e669ac1
PH
305285. One more patch for Sieve to update vacation handling to latest spec.
3053
495ae4b0 3054
bbe902f0
PH
3055----------------------------------------------------
3056See the note above about the 4.44 and 4.50 releases.
3057----------------------------------------------------
3058
3059
3060Exim version 4.44
3061-----------------
3062
3063 1. Change 4.43/35 introduced a bug that caused file counts to be
3064 incorrectly computed when quota_filecount was set in an appendfile
3065 transport
3066
3067 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
3068 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
3069 place.
3070
3071 3. Give more explanation in the error message when the command for a transport
3072 filter fails to execute.
3073
3074 4. There are several places where Exim runs a non-Exim command in a
3075 subprocess. The SIGUSR1 signal should be disabled for these processes. This
3076 was being done only for the command run by the queryprogram router. It is
3077 now done for all such subprocesses. The other cases are: ${run, transport
3078 filters, and the commands run by the lmtp and pipe transports.
3079
3080 5. Some older OS have a limit of 256 on the maximum number of file
3081 descriptors. Exim was using setrlimit() to set 1000 as a large value
3082 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
3083 systems. I've change it so that if it can't get 1000, it tries for 256.
3084
3085 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
3086 was an oversight, and furthermore, ever since the addition of extra
3087 controls (e.g. 4.43/32), the checks on when to allow different forms of
3088 "control" were broken. There should now be diagnostics for all cases when a
3089 control that does not make sense is encountered.
3090
3091 7. $recipients is now available in the predata ACL (oversight).
3092
3093 8. Tidy the search cache before the fork to do a delivery from a message
3094 received from the command line. Otherwise the child will trigger a lookup
3095 failure and thereby defer the delivery if it tries to use (for example) a
3096 cached ldap connection that the parent has called unbind on.
3097
3098 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
3099 of $address_data from the recipient verification was clobbered by the
3100 sender verification.
3101
310210. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
3103 was its contents. (It was OK if the option was not defined at all.)
3104
310511. A "Completed" log line is now written for messages that are removed from
3106 the spool by the -Mrm option.
3107
310812. $host_address is now set to the target address during the checking of
3109 ignore_target_hosts.
3110
311113. When checking ignore_target_hosts for an ipliteral router, no host name was
3112 being passed; this would have caused $sender_host_name to have been used if
3113 matching the list had actually called for a host name (not very likely,
3114 since this list is usually IP addresses). A host name is now passed as
3115 "[x.x.x.x]".
3116
311714. Changed the calls that set up the SIGCHLD handler in the daemon to use the
3118 code that specifies a non-restarting handler (typically sigaction() in
3119 modern systems) in an attempt to fix a rare and obscure crash bug.
3120
312115. Narrowed the window for a race in the daemon that could cause it to ignore
3122 SIGCHLD signals. This is not a major problem, because they are used only to
3123 wake it up if nothing else does.
3124
312516. A malformed maildirsize file could cause Exim to calculate negative values
3126 for the mailbox size or file count. Odd effects could occur as a result.
3127 The maildirsize information is now recalculated if the size or filecount
3128 end up negative.
3129
313017. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
3131 support for a long time. Removed HAVE_SYS_VFS_H.
3132
ea3a6f44 313318. Updated exipick to current release from John Jetmore.
bbe902f0
PH
3134
313519. Allow an empty sender to be matched against a lookup in an address list.
3136 Previously the only cases considered were a regular expression, or an
3137 empty pattern.
3138
313920. Exim went into a mad DNS lookup loop when doing a callout where the
3140 host was specified on the transport, if the DNS lookup yielded more than
3141 one IP address.
3142
ea3a6f44
NM
314321. The RFC2047 encoding function was originally intended for short strings
3144 such as real names; it was not keeping to the 75-character limit for
3145 encoded words that the RFC imposes. It now respects the limit, and
3146 generates multiple encoded words if necessary. To be on the safe side, I
3147 have increased the buffer size for the ${rfc2047: expansion operator from
3148 1024 to 2048 bytes.
bbe902f0 3149
ea3a6f44
NM
315022. Failure to deliver a bounce message always caused it to be frozen, even if
3151 there was an errors_to setting on the router. The errors_to setting is now
3152 respected.
bbe902f0
PH
3153
315423. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3155 canonical form (fully expanded) before being placed in
3156 $sender_host_address.
3157
315824. Updated eximstats to version 1.33
3159
ea3a6f44
NM
316025. Include certificate and key file names in error message when GnuTLS fails
3161 to set them up, because the GnuTLS error message doesn't include the name
3162 of the failing file when there is a problem reading it.
bbe902f0
PH
3163
316426. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3165 As per change 25.
bbe902f0 3166
ea3a6f44
NM
316727. Reset the locale to "C" after calling embedded Perl, in case it was changed
3168 (this can affect the format of dates).
bbe902f0 3169
ea3a6f44
NM
317028. exim_tidydb, when checking for the continued existence of a message for
3171 which it has found a message-specific retry record, was not finding
3172 messages that were in split spool directories. Consequently, it was
3173 deleting retry records that should have stayed in existence.
bbe902f0
PH
3174
317529. eximstats updated to version 1.35
3176 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3177 1.35 - bugfix such that pie charts by volume are generated correctly
3178
ea3a6f44
NM
317930. The SPA authentication driver was not abandoning authentication and moving
3180 on to the next authenticator when an expansion was forced to fail,
3181 contradicting the general specification for all authenticators. Instead it
3182 was generating a temporary error. It now behaves as specified.
bbe902f0 3183
ea3a6f44
NM
318431. The default ordering of permitted cipher suites for GnuTLS was pessimal
3185 (the order specifies the preference for clients). The order is now AES256,
3186 AES128, 3DES, ARCFOUR128.
bbe902f0 3187
ea3a6f44
NM
318831. Small patch to Sieve code - explicitly set From: when generating an
3189 autoreply.
bbe902f0 3190
ea3a6f44
NM
319132. Exim crashed if a remote delivery caused a very long error message to be
3192 recorded - for instance if somebody sent an entire SpamAssassin report back
3193 as a large number of 550 error lines. This bug was coincidentally fixed by
3194 increasing the size of one of Exim's internal buffers (big_buffer) that
3195 happened as part of the Exiscan merge. However, to be on the safe side, I
3196 have made the code more robust (and fixed the comments that describe what
3197 is going on).
bbe902f0 3198
ea3a6f44
NM
319933. Some experimental protocols are using DNS PTR records for new purposes. The
3200 keys for these records are domain names, not reversed IP addresses. The
3201 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3202 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3203 CAN-2005-0021
3204
ea3a6f44
NM
320534. The host_aton() function is supposed to be passed a string that is known
3206 to be a valid IP address. However, in the case of IPv6 addresses, it was
3207 not checking this. This is a hostage to fortune. Exim now panics and dies
3208 if the condition is not met. A case was found where this could be provoked
3209 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3210 components; fortuitously, this particular loophole had already been fixed
3211 by change 4.50/55 or 4.44/33 above.
3212
3213 If there are any other similar loopholes, the new check in host_aton()
3214 itself should stop them being exploited. The report I received stated that
3215 data on the command line could provoke the exploit when Exim was running as
3216 exim, but did not say which command line option was involved. All I could
3217 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3218 running as the user.
bbe902f0
PH
3219 CAN-2005-0021
3220
ea3a6f44
NM
322135. There was a buffer overflow vulnerability in the SPA authentication code
3222 (which came originally from the Samba project). I have added a test to the
3223 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3224 CAN-2005-0022
3225
ea3a6f44
NM
322636. The daemon start-up calls getloadavg() while still root for those OS that
3227 need the first call to be done as root, but it missed one case: when
3228 deliver_queue_load_max is set with deliver_drop_privilege. This is
3229 necessary for the benefit of the queue runner, because there is no re-exec
3230 when deliver_drop_privilege is set.
bbe902f0 3231
ea3a6f44
NM
323237. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3233 was in use, was not putting the data itself into the right store pool;
3234 consequently, it could be overwritten for a subsequent message in the same
3235 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3236 the caching.)
bbe902f0 3237
ea3a6f44
NM
323838. Sometimes the final signoff response after QUIT could fail to get
3239 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3240 < 0 before doing a fflush(). This bug looks as though it goes back to the
3241 introduction of TLS in release 3.20, but "sometimes" must have been rare
3242 because the tests only now provoked it.
bbe902f0
PH
3243
3244
495ae4b0
PH
3245Exim version 4.43
3246-----------------
3247
3248 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3249 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3250 Now it returns an integer. A number of calls were still expecting a T/F
3251 return. Fortuitously, in all cases, the tests worked in OK situations,
3252 which is the norm. However, things would have gone wrong on any write
3253 failures on the smtp file descriptor. This function is used when sending
3254 messages over SMTP and also when doing verify callouts.
3255
3256 2. When Exim is called to do synchronous delivery of a locally submitted
3257 message (the -odf or -odi options), it no longer closes stderr before doing
3258 the delivery.
3259
3260 3. Implemented the mua_wrapper option.
3261
3262 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3263
3264 5. Implemented the functions header_remove(), header_testname(),
3265 header_add_at_position(), and receive_remove_recipient(), and exported them
3266 to local_scan().
3267
3268 6. If an ACL "warn" statement specified the addition of headers, Exim already
3269 inserted X-ACL-Warn: at the start if there was no header name. However, it
3270 was not making this test for the second and subsequent header lines if
3271 there were newlines in the string. This meant that an invalid header could
3272 be inserted if Exim was badly configured.
3273
3274 7. Allow an ACL "warn" statement to add header lines at the start or after all
3275 the Received: headers, as well as at the end.
3276
3277 8. Added the rcpt_4xx retry error code.
3278
3279 9. Added postmaster_mailfrom=xxx to callout verification option.
3280
328110. Added mailfrom=xxxx to the callout verification option, for verify=
3282 header_sender only.
3283
328411. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3285 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3286
328712. Inserted some casts to stop certain compilers warning when using pointer
3288 differences as field lengths or precisions in printf-type calls (mostly
3289 affecting debugging statements).
3290
329113. Added optional readline() support for -be (dynamically loaded).
3292
329314. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3294 same clock tick as a message's arrival, so that its received time was the
3295 same as the "first fail" time on the retry record, and that message
3296 remained on the queue past the ultimate address timeout, every queue runner
3297 would try a delivery (because it was past the ultimate address timeout) but
3298 after another failure, the ultimate address timeout, which should have then
3299 bounced the address, did not kick in. This was a "< instead of <=" error;
3300 in most cases the first failure would have been in the next clock tick
3301 after the received time, and all would be well.
3302
330315. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3304 being recognized when the domain list was tested by the match_domain
3305 condition in an expansion string.
3306
330716. Added the ${str2b64: operator.
3308
330917. Exim was always calling setrlimit() to set a large limit for the number of
3310 processes, without checking whether the existing limit was already
3311 adequate. (It did check for the limit on file descriptors.) Furthermore,
3312 errors from getrlimit() and setrlimit() were being ignored. Now they are
3313 logged to the main and panic logs, but Exim does carry on, to try to do its
3314 job under whatever limits there are.
3315
331618. Imported PCRE 5.0.
3317
331819. Trivial typo in log message " temporarily refused connection" (the leading
3319 space).
3320
332120. If the log selector return_path_on_delivery was set and an address was
3322 redirected to /dev/null, the delivery process crashed because it assumed
3323 that a return path would always be set for a "successful" delivery. In this
3324 case, the whole delivery is bypassed as an optimization, and therefore no
3325 return path is set.
3326
332721. Internal re-arrangement: the function for sending a challenge and reading
3328 a response while authentication was assuming a zero-terminated challenge
3329 string. It's now changed to take a pointer and a length, to allow for
3330 binary data in such strings.
3331
333222. Added the cyrus_sasl authenticator (code supplied by MBM).
3333
333423. Exim was not respecting finduser_retries when seeking the login of the
3335 uid under which it was called; it was always trying 10 times. (The default
3336 setting of finduser_retries is zero.) Also, it was sleeping after the final
3337 failure, which is pointless.
3338
333924. Implemented tls_on_connect_ports.
3340
334125. Implemented acl_smtp_predata.
3342
334326. If the domain in control=submission is set empty, Exim assumes that the
3344 authenticated id is a complete email address when it generates From: or
3345 Sender: header lines.
3346
334727. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3348 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3349 chown and chgrp in /bin and hostname in /usr/bin.
3350
335128. Exim was keeping the "process log" file open after each use, just as it
3352 does for the main log. This opens the possibility of it remaining open for
3353 long periods when the USR1 signal hits a daemon. Occasional processlog
3354 errors were reported, that could have been caused by this. Anyway, it seems
3355 much more sensible not to leave this file open at all, so that is what now
3356 happens.
3357
335829. The long-running daemon process does not normally write to the log once it
3359 has entered its main loop, and it closes the log before doing so. This is
3360 so that log files can straightforwardly be renamed and moved. However,
3361 there are a couple of unusual error situations where the daemon does write
3362 log entries, and I had neglected to close the log afterwards.
3363
336430. The text of an SMTP error response that was received during a remote
3365 delivery was being truncated at 512 bytes. This is too short for some of
3366 the long messages that one sometimes sees. I've increased the limit to
3367 1024.
3368
336931. It is now possible to make retry rules that apply only when a message has a
3370 specific sender, in particular, an empty sender.
3371
337232. Added "control = enforce_sync" and "control = no_enforce_sync". This makes
3373 it possible to be selective about when SMTP synchronization is enforced.
3374
337533. Added "control = caseful_local_part" and "control = "caselower_local_part".
3376
337732. Implemented hosts_connection_nolog.
3378
337933. Added an ACL for QUIT.
3380
338134. Setting "delay_warning=" to disable warnings was not working; it gave a
3382 syntax error.
3383
338435. Added mailbox_size and mailbox_filecount to appendfile.
3385
338636. Added control = no_multiline_responses to ACLs.
3387
338837. There was a bug in the logic of the code that waits for the clock to tick
3389 in the case where the clock went backwards by a substantial amount such
3390 that the microsecond fraction of "now" was more than the microsecond
3391 fraction of "then" (but the whole seconds number was less).
3392
339338. Added support for the libradius Radius client library this is found on
3394 FreeBSD (previously only the radiusclient library was supported).
3395
3396
3397Exim version 4.42
3398-----------------
3399
3400 1. When certain lookups returned multiple values in the form name=value, the
3401 quoting of the values was not always being done properly. Specifically:
3402 (a) If the value started with a double quote, but contained no whitespace,
3403 it was not quoted.
3404 (b) If the value contained whitespace other than a space character (i.e.
3405 tabs or newlines or carriage returns) it was not quoted.
3406 This fix has been applied to the mysql and pgsql lookups by writing a
3407 separate quoting function and calling it from the lookup code. The fix
3408 should probably also be applied to nisplus, ibase and oracle lookups, but
3409 since I cannot test any of those, I have not disturbed their existing code.
3410
3411 2. A hit in the callout cache for a specific address caused a log line with no
3412 reason for rejecting RCPT. Now it says "Previous (cached) callout
3413 verification failure".
3414
3415 3. There was an off-by-one bug in the queryprogram router. An over-long
3416 return line was truncated at 256 instead of 255 characters, thereby
3417 overflowing its buffer with the terminating zero. As well as fixing this, I
3418 have increased the buffer size to 1024 (and made a note to document this).
3419
3420 4. If an interrupt, such as the USR1 signal that is send by exiwhat, arrives
3421 when Exim is waiting for an SMTP response from a remote server, Exim
3422 restarts its select() call on the socket, thereby resetting its timeout.
3423 This is not a problem when such interrupts are rare. Somebody set up a cron
3424 job to run exiwhat every 2 minutes, which is less than the normal select()
3425 timeout (5 or 10 minutes). This meant that the select() timeout never
3426 kicked in because it was always reset. I have fixed this by comparing the
3427 time when an interrupt arrives with the time at the start of the first call
3428 to select(). If more time than the timeout has elapsed, the interrupt is
3429 treated as a timeout.
3430
3431 5. Some internal re-factoring in preparation for the addition of Sieve
3432 extensions (by MH). In particular, the "personal" test is moved to a
3433 separate function, and given an option for scanning Cc: and Bcc: (which is
3434 not set for Exim filters).