CONTRIBUTING: correct expansion of GPL
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5dc43717 1$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.632 2010/06/12 15:21:25 jetmore Exp $
495ae4b0
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2
3Change log file for Exim from version 4.21
4-------------------------------------------
5
97fd1e48 6Exim version 4.73
ed7f7860 7-----------------
97fd1e48
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8
9PP/01 Date: & Message-Id: revert to normally being appended to a message,
10 only prepend for the Resent-* case. Fixes regression introduced in
11 Exim 4.70 by NM/22 for Bugzilla 607.
12
6901c596
PP
13PP/02 Include check_rfc2047_length in configure.default because we're seeing
14 increasing numbers of administrators be bitten by this.
15
a8c8d6b5
JJ
16JJ/01 Added DISABLE_DKIM and comment to src/EDITME
17
77bb000f
PP
18PP/03 Bugzilla 994: added openssl_options main configuration option.
19
a29e5231
PP
20PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
21
ec5a0394 22PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 23
55c75993
PP
24PP/06 Adjust NTLM authentication to handle SASL Initial Response.
25
453a6645 26PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
27 without a peer certificate, leading to a segfault because of an
28 assumption that peers always have certificates. Be a little more
453a6645
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29 paranoid. Problem reported by Martin Tscholak.
30
8544e77a
PP
31PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
32 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
33 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
34 CL also introduces -bmalware, various -d+acl logging additions and
35 more caution in buffer sizes.
8544e77a 36
83e029d5
PP
37PP/09 Implemented reverse_ip expansion operator.
38
ed7f7860
PP
39PP/10 Bugzilla 937: provide a "debug" ACL control.
40
7d9f747b
PP
41PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
42
4b2241d2
PP
43PP/12 Bugzilla 973: Implement --version.
44
10385c15
PP
45PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
46
dbc4b90d
PP
47PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
48
532be449
PP
49PP/15 Bugzilla 816: support multiple condition rules on Routers.
50
6a8de854 51PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
52 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
53 ignore trailing whitespace.
6a8de854 54
5dc43717
JJ
55JJ/02 prevent non-panic DKIM error from being sent to paniclog
56
57JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
58 "exim" to be used
55c75993 59
3346ab01
PP
60PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
61 Notification from Dr Andrew Aitchison.
62
491fab4c
PP
63PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
64 ExtendedDetectionInfo response format.
65 Notification from John Horne.
66
13eb9497
PP
67PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
68 compatible.
69
70PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
71 XSL and documented dependency on system catalogs, with examples of how
72 it normally works.
73
7f36d675
DW
74DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
75 access.
76
c1d94452
DW
77DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
78 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
79 configuration file which is writeable by the Exim user or group.
80
e2f5dc15
DW
81DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
82 of configuration files to cover files specified with the -C option if
83 they are going to be used with root privileges, not just the default
84 configuration file.
85
cd25e41d
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86DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
87 option (effectively making it always true).
88
261dc43e
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89DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
90 files to be used while preserving root privileges.
91
fa32850b
DW
92DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
93 that rogue child processes cannot use them.
94
79d4bc3d
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95PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
96 run-time user, instead of root.
97
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98PP/28 Add WHITELIST_D_MACROS option to let some macros be overriden by the
99 Exim run-time user without dropping privileges.
100
fb08281f
DW
101DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
102 result string, instead of calling string_vformat() twice with the same
103 arguments.
3346ab01 104
74935b98
DW
105DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
106 for other users. Others should always drop root privileges if they use
107 -C on the command line, even for a whitelisted configure file.
108
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109DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
110
57730b52
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111NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
112
66581d1e 113
465e92cf
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114Exim version 4.72
115-----------------
116
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117JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
118 $data_path, and $header_path variables; fixed documentation bugs and
119 typos
465e92cf 120
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121JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
122 exipick to access non-standard spools, including the "frozen" queue
123 (Finput)
edae0343 124
9bd3e22c
NM
125NM/01 Bugzilla 965: Support mysql stored procedures.
126 Patch from Alain Williams
127
bb576ff7
NM
128NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
129
5a1a5845
NM
130NM/03 Bugzilla 955: Documentation fix for max_rcpts.
131 Patch from Andreas Metzler
132
981a9fad
NM
133NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
134 Patch from Kirill Miazine
135
7fc497ee
NM
136NM/05 Bugzilla 671: Added umask to procmail example.
137
1a41defa
JJ
138JJ/03 installed exipick 20100323.0, fixing doc bug
139
a466095c 140NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 141 directory. Notification and patch from Dan Rosenberg.
a466095c 142
94a6bd0b
NM
143TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
144
145TK/02 Improve log output when DKIM signing operation fails.
146
147MH/01 Treat the transport option dkim_domain as a colon separated
148 list, not as a single string, and sign the message with each element,
149 omitting multiple occurences of the same signer.
150
c1b141a8
NM
151NM/07 Null terminate DKIM strings, Null initialise DKIM variable
152 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 153
b26eacf1 154NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
155 Patch by Simon Arlott
156
179c5980 157PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 158 MBX locking. Notification from Dan Rosenberg.
179c5980 159
9bd3e22c 160
7c6d71af
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161Exim version 4.71
162-----------------
163
7d9f747b 164TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 165
f013fb92
NM
166NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
167
0eb8eedd
NM
168NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
169
663ee6d9
NM
170NM/03 Bugzilla 847: Enable DNSDB lookup by default.
171
177ebd9b
NM
172NM/04 Bugzilla 915: Flag broken perl installation during build.
173
7c6d71af 174
210f147e
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175Exim version 4.70
176-----------------
177
cdd3bb85 178TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 179 "spamd_address" if it starts with a dollar sign.
cdd3bb85
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180
181TK/02 Write list of recipients to X-Envelope-Sender header when building
182 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 183 Hirsch).
cdd3bb85
TK
184
185TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
186 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 187 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
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188
189TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
190 by Mark Daniel Reidel <mr@df.eu>.
191
210f147e
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192NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
193 When building exim an external PCRE library is now needed -
194 PCRE is a system library on the majority of modern systems.
195 See entry on PCRE_LIBS in EDITME file.
196
deafd5b3
NM
197NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
198 conversation. Added nologin parameter to request.
7d9f747b 199 Patch contributed by Kirill Miazine.
deafd5b3 200
089793a4
TF
201TF/01 Do not log submission mode rewrites if they do not change the address.
202
5f16ca82
TF
203TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
204
dae9d94e 205NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 206 log files in place. Contributed by Roberto Lima.
dae9d94e 207
7d9f747b 208NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 209
06864c44
TF
210TF/03 Bugzilla 615: When checking the local_parts router precondition
211 after a local_part_suffix or local_part_prefix option, Exim now
212 does not use the address's named list lookup cache, since this
213 contains cached lookups for the whole local part.
214
65a7d8c3 215NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 216 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 217
23510047 218TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 219
7d9f747b 220NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 221
7d8eec3a 222NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 223 Patch provided by Jan Srzednicki.
6c588e74 224
89dec7b6
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225TF/05 Leading white space used to be stripped from $spam_report which
226 wrecked the formatting. Now it is preserved.
5f28a6e8 227
a99de90c
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228TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
229 that they are available at delivery time.
230
e2803e40
TF
231TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
232
7199e1ee
TF
233TF/08 TLS error reporting now respects the incoming_interface and
234 incoming_port log selectors.
235
e276e04b
TF
236TF/09 Produce a more useful error message if an SMTP transport's hosts
237 setting expands to an empty string.
238
ce552449 239NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 240 Patch provided by Phil Pennock.
ce552449 241
e765a0f1 242NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 243 Patch provided by Richard Godbee.
e765a0f1 244
4f054c63 245NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 246 acl_smtp_notquit, added index entry.
4f054c63 247
7d9f747b
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248NM/09 Bugzilla 787: Potential buffer overflow in string_format.
249 Patch provided by Eugene Bujak.
24c929a2 250
7d9f747b
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251NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
252 accept(). Patch provided by Maxim Dounin.
cf73943b 253
b52bc06e 254NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 255 Patch provided by Phil Pennock.
b52bc06e 256
447de4b0
NM
257NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
258
4c69d561 259NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 260 Patch provided by Brad "anomie" Jorsch.
4c69d561 261
d5c39246 262NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 263 Patch provided by Dean Brooks.
9b989985 264
0b23848a
TK
265TK/05 Add native DKIM support (does not depend on external libraries).
266
8f3414a1 267NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 268 Patch provided by Graeme Fowler.
e2aacdfd 269
fb6f955d
NM
270NM/16 Bugzilla 851: Documentation example syntax fix.
271
272NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 273
7d9f747b
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274NM/18 Bugzilla 894: Fix issue with very long lines including comments in
275 lsearch.
dbb0bf41 276
7d9f747b
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277NM/19 Bugzilla 745: TLS version reporting.
278 Patch provided by Phil Pennock.
f3766eb5 279
7d9f747b
PP
280NM/20 Bugzilla 167: bool: condition support.
281 Patch provided by Phil Pennock.
36f12725 282
7d9f747b
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283NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
284 clients. Patch provided by Phil Pennock.
e6060e2c 285
7d9f747b
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286NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
287 Patch provided by Brad "anomie" Jorsch.
5eb690a1 288
7d9f747b
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289NM/23 Bugzilla 687: Fix misparses in eximstats.
290 Patch provided by Heiko Schlittermann.
d5c13d66 291
7d9f747b
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292NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
293 Patch provided by Heiko Schlittermann.
b2335c0b 294
7d9f747b 295NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 296 plus update to original patch.
f4cd9433 297
7d9f747b 298NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 299
7d9f747b
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300NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
301 Patch provided by David Brownlee.
8dc71ab3 302
7d9f747b 303NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 304
7d9f747b 305NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 306
7d9f747b 307NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 308
7d9f747b 309NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 310
17792b53 311NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 312 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 313
7d9f747b
PP
314NM/33 Bugzilla 898: Transport filter timeout fix.
315 Patch by Todd Rinaldo.
52383f8f 316
7d9f747b
PP
317NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
318 Patch by Serge Demonchaux.
5ca6d115 319
7d9f747b
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320NM/35 Bugzilla 39: Base64 decode bug fixes.
321 Patch by Jakob Hirsch.
baee9eee 322
7d9f747b 323NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 324
7d9f747b 325NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 326
7d9f747b 327NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 328
7d9f747b 329NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 330
deafd5b3 331
47db1125
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332Exim version 4.69
333-----------------
334
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335TK/01 Add preliminary DKIM support. Currently requires a forked version of
336 ALT-N's libdkim that I have put here:
337 http://duncanthrax.net/exim-experimental/
338
339 Note to Michael Haardt: I had to rename some vars in sieve.c. They
340 were called 'true' and it seems that C99 defines that as a reserved
341 keyword to be used with 'bool' variable types. That means you could
342 not include C99-style headers which use bools without triggering
343 build errors in sieve.c.
344
81ea09ca
NM
345NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
346 as mailq or other aliases. Changed the --help handling significantly
347 to do whats expected. exim_usage() emits usage/help information.
348
f13cddcb
SC
349SC/01 Added the -bylocaldomain option to eximstats.
350
7d9f747b 351NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 352
7d9f747b 353NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 354
7d9f747b 355NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
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356
357
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358Exim version 4.68
359-----------------
360
361PH/01 Another patch from the Sieve maintainer.
362
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PH
363PH/02 When an IPv6 address is converted to a string for single-key lookup
364 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
365 dots are used instead of colons so that keys in lsearch files need not
366 contain colons. This was done some time before quoting was made available
367 in lsearch files. However, iplsearch files do require colons in IPv6 keys
368 (notated using the quote facility) so as to distinguish them from IPv4
369 keys. This meant that lookups for IP addresses in host lists did not work
370 for iplsearch lookups.
371
372 This has been fixed by arranging for IPv6 addresses to be expressed with
373 colons if the lookup type is iplsearch. This is not incompatible, because
374 previously such lookups could never work.
375
376 The situation is now rather anomolous, since one *can* have colons in
377 ordinary lsearch keys. However, making the change in all cases is
378 incompatible and would probably break a number of configurations.
379
2e30fa9d
TK
380TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
381 version.
382
0806a9c5
MH
383MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
384 conversion specification without a maximum field width, thereby enabling
385 a rogue spamd server to cause a buffer overflow. While nobody in their
386 right mind would setup Exim to query an untrusted spamd server, an
387 attacker that gains access to a server running spamd could potentially
388 exploit this vulnerability to run arbitrary code as the Exim user.
389
ae276964
TK
390TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
391 $primary_hostname instead of what libspf2 thinks the hosts name is.
392
0f2cbd1b
MH
393MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
394 a directory entry by the name of the lookup key. Previously, if a
395 symlink pointed to a non-existing file or a file in a directory that
396 Exim lacked permissions to read, a lookup for a key matching that
397 symlink would fail. Now it is enough that a matching directory entry
398 exists, symlink or not. (Bugzilla 503.)
399
2b85bce7
PH
400PH/03 The body_linecount and body_zerocount variables are now exported in the
401 local_scan API.
402
93655c46
PH
403PH/04 Added the $dnslist_matched variable.
404
6c512171
PH
405PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
406 This means they are set thereafter only if the connection becomes
407 encrypted.
408
409PH/06 Added the client_condition to authenticators so that some can be skipped
410 by clients under certain conditions.
411
aa6dc513
PH
412PH/07 The error message for a badly-placed control=no_multiline_responses left
413 "_responses" off the end of the name.
414
a96603a0
PH
415PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
416
8f240103
PH
417PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
418 (without spaces) instead of just copying the configuration text.
419
420PH/10 Added the /noupdate option to the ratelimit ACL condition.
421
d677b2f2
PH
422PH/11 Added $max_received_linelength.
423
d52120f2
PH
424PH/12 Added +ignore_defer and +include_defer to host lists.
425
64f2600a
PH
426PH/13 Installed PCRE version 7.2. This needed some changes because of the new
427 way in which PCRE > 7.0 is built.
428
8669f003
PH
429PH/14 Implemented queue_only_load_latch.
430
a4dc33a8
PH
431PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
432 MAIL command. The effect was to mangle the value on 64-bit systems.
433
d6a60c0f
PH
434PH/16 Another patch from the Sieve maintainer.
435
8f128379
PH
436PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
437
8932dffe
PH
438PH/18 If a system quota error occurred while trying to create the file for
439 a maildir delivery, the message "Mailbox is full" was not appended to the
440 bounce if the delivery eventually timed out. Change 4.67/27 below applied
441 only to a quota excession during the actual writing of the file.
d6a60c0f 442
ddea74fa 443PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
444 characters?) which causes problems in log lines. The DN values are now
445 passed through string_printing() before being added to log lines.
446
ddea74fa 447PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
448 and InterBase are left for another time.)
449
ddea74fa
PH
450PH/21 Added message_body_newlines option.
451
ce9f225c
PH
452PH/22 Guard against possible overflow in moan_check_errorcopy().
453
19897d52
PH
454PH/23 POSIX allows open() to be a macro; guard against that.
455
bc64a74d
PH
456PH/24 If the recipient of an error message contained an @ in the local part
457 (suitably quoted, of course), incorrect values were put in $domain and
458 $local_part during the evaluation of errors_copy.
459
eb4c0de6 460
b4ed4da0
PH
461Exim version 4.67
462-----------------
463
22ad45c9
MH
464MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
465 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
466 Jan Srzednicki.
467
b4ed4da0
PH
468PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
469 issue a MAIL command.
470
431b7361
PH
471PH/02 In an ACL statement such as
472
473 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
474
475 if a client was not listed at all, or was listed with a value other than
476 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
477 the condition was not true (as it should be), so access was not denied.
478 The bug was that the ! inversion was incorrectly passed on to the second
479 item. This has been fixed.
480
481PH/03 Added additional dnslists conditions == and =& which are different from
482 = and & when the dns lookup returns more than one IP address.
483
83da1223
PH
484PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
485 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
486
54fc8428
PH
487PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
488 FSYNC, which compiles an option called disable_fsync that allows for
489 bypassing fsync(). The documentation is heavily laced with warnings.
490
34c5e8dd
SC
491SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
492
bbe15da8
PH
493PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
494 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
495 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
496 including adding "make clean"; (3) Added -fPIC when compiling the test
497 dynamically loaded module, to get rid of a warning.
498
0e8a9471
MH
499MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
500 message fails, move_frozen_messages = true and ignore_bounce_errors_after
501 = 0s. The bug is otherwise harmless.
502
f0872424
PH
503PH/07 There was a bug in the dovecot authenticator such that the value of
504 $auth1 could be overwritten, and so not correctly preserved, after a
505 successful authentication. This usually meant that the value preserved by
506 the server_setid option was incorrect.
507
b01dd148
PH
508PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
509
6bf342e1
PH
510PH/09 Installed PCRE release 7.0.
511
273f34d0
PH
512PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
513 run for batched SMTP input. It is now run at the start of every message
514 in the batch. While fixing this I discovered that the process information
515 (output by running exiwhat) was not always getting set for -bs and -bS
516 input. This is fixed, and it now also says "batched" for BSMTP.
517
cf8b11a5
PH
518PH/11 Added control=no_pipelining.
519
41c7c167
PH
520PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
521 patch, slightly modified), and move the expansion of helo_data till after
522 the connection is made in the smtp transport (so it can use these
523 values).
524
9c57cbc0
PH
525PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
526
f3f065bb
PH
527PH/14 Added log_selector = +pid.
528
047bdd8c
PH
529PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
530
0ce9abe6
PH
531PH/16 Add ${if forany and ${if forall.
532
0e22dfd1
PH
533PH/17 Added dsn_from option to vary the From: line in DSNs.
534
4c590bd1
PH
535PH/18 Flush SMTP output before performing a callout, unless control =
536 no_callout_flush is set.
537
09945f1e
PH
538PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
539 was true (the default) a successful delivery failed to delete the retry
540 item, thus causing premature timeout of the address. The bug is now
541 fixed.
542
c51b8e75
PH
543PH/20 Added hosts_avoid_pipelining to the smtp transport.
544
e28326d8
PH
545PH/21 Long custom messages for fakedefer and fakereject are now split up
546 into multiline reponses in the same way that messages for "deny" and
547 other ACL rejections are.
548
75b1493f
PH
549PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
550 with slight modification.
551
7c5214ec
PH
552PH/23 Applied sieve patches from the maintainer "tracking the latest notify
553 draft, changing the syntax and factoring some duplicate code".
554
4311097e
PH
555PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
556 for deliveries of the second and subsequent messages over the same SMTP
557 connection.
558
29f89cad
PH
559PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
560 ${reduce, with only minor "tidies".
561
5e687460
SC
562SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
563
c3611384
PH
564PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
565 expansion side effects.
566
5a11a7b4
PH
567PH/27 When a message times out after an over-quota error from an Exim-imposed
568 quota, the bounce message says "mailbox is full". This message was not
569 being given when it was a system quota that was exceeded. It now should
570 be the same.
571
0e20aff9
MH
572MH/03 Made $recipients available in local_scan(). local_scan() already has
573 better access to the recipient list through recipients_list[], but
574 $recipients can be useful in postmaster-provided expansion strings.
575
ca86f471
PH
576PH/28 The $smtp_command and $smtp_command_argument variables were not correct
577 in the case of a MAIL command with additional options following the
578 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
579 were accidentally chopped off.
580
a14e5636
PH
581PH/29 SMTP synchronization checks are implemented when a command is read -
582 there is a check that no more input is waiting when there shouldn't be
583 any. However, for some commands, a delay in an ACL can mean that it is
584 some time before the response is written. In this time, more input might
585 arrive, invalidly. So now there are extra checks after an ACL has run for
586 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
587 pipelining has not been advertised.
588
ec95d1a6
PH
589PH/30 MH's patch to allow iscntrl() characters to be list separators.
590
42855d71
PH
591PH/31 Unlike :fail:, a custom message specified with :defer: was not being
592 returned in the SMTP response when smtp_return_error_details was false.
593 This has been fixed.
594
57c2c631
PH
595PH/32 Change the Dovecot authenticator to use read() and write() on the socket
596 instead of the C I/O that was originally supplied, because problems were
597 reported on Solaris.
598
58c01c94
PH
599PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
600 Exim which did not show up earlier: it was assuming that a call to
601 SSL_CTX_set_info_callback() might give an error value. In fact, there is
602 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
603 was a macro that became an assignment, so it seemed to work. This has
604 changed to a proper function call with a void return, hence the compile
605 error. Exim's code has been fixed.
606
dee5a20a
PH
607PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
608 cpus.
609
d2ee6114
PH
610PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
611
b2d5182b
PH
612PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
613
79749a79
PH
614PH/37 If a message is not accepted after it has had an id assigned (e.g.
615 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
616 "Completed" line in the log. When some messages of this type were
617 selected by exigrep, they were listed as "not completed". Others were
618 picked up by some special patterns. I have improved the selection
619 criteria to be more general.
79749a79 620
c456d9bb
PH
621PH/38 The host_find_failed option in the manualroute router can now be set
622 to "ignore", to completely ignore a host whose IP address cannot be
623 found. If all hosts are ignored, the behaviour is controlled by the new
624 host_all_ignored option.
625
cd9868ec
PH
626PH/39 In a list of hosts for manualroute, if one item (either because of multi-
627 homing or because of multiple MX records with /mx) generated more than
628 one IP address, and the following item turned out to be the local host,
629 all the secondary addresses of the first item were incorrectly removed
630 from the list, along with the local host and any following hosts (which
631 is what is supposed to happen).
632
ebeaf996
PH
633PH/40 When Exim receives a message, it writes the login name, uid, and gid of
634 whoever called Exim into the -H file. In the case of the daemon it was
635 behaving confusingly. When first started, it used values for whoever
636 started the daemon, but after a SIGHUP it used the Exim user (because it
637 calls itself on a restart). I have changed the code so that it now always
638 uses the Exim user.
639
2679d413
PH
640PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
641 message are rejected with the same error (e.g. no authentication or bad
642 sender address), and a DATA command is nevertheless sent (as can happen
643 with PIPELINING or a stupid MUA), the error message that was given to the
644 RCPT commands is included in the rejection of the DATA command. This is
645 intended to be helpful for MUAs that show only the final error to their
646 users.
647
84024b72
PH
648PH/42 Another patch from the Sieve maintainer.
649
8005d38e
SC
650SC/02 Eximstats - Differentiate between permanent and temporary rejects.
651 Eximstats - Fixed some broken HTML links and added missing column headers
652 (Jez Hancock).
653 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
654 columns for Rejects, Temp Rejects, Ham, and Spam rows.
655
3298c6c6
SC
656SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
657
a43a27c5
PH
658PH/43 Yet another patch from the Sieve maintainer.
659
58eb016e 660PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
661 the response to the final '.' that terminates a message, but only in the
662 case where the client has not sent further data following the '.'
663 (unfortunately, this is allowed). However, in many cases there won't be
664 any further data because there won't be any more messages to send. A call
665 to select() can be used: if it shows that the input is "ready", there is
666 either input waiting, or the socket has been closed. An attempt to read
667 the next input character can distinguish the two cases. Previously, Exim
58eb016e 668 would have sent an OK response which the client would never have see.
563b63fa
PH
669 This could lead to message repetition. This fix should cure that, at
670 least in a lot of common cases.
58eb016e 671
b43a74ea
PH
672PH/45 Do not advertise STARTTLS in response to HELP unless it would be
673 advertised in response to EHLO.
674
b4ed4da0 675
5dd1517f
PH
676Exim version 4.66
677-----------------
678
679PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
680 fixed by 4.65/MH/01 (is this a record?) are fixed:
681
682 (i) An empty string was always treated as zero by the numeric comparison
683 operators. This behaviour has been restored.
684
685 (ii) It is documented that the numeric comparison operators always treat
686 their arguments as decimal numbers. This was broken in that numbers
687 starting with 0 were being interpreted as octal.
688
689 While fixing these problems I realized that there was another issue that
690 hadn't been noticed. Values of message_size_limit (both the global option
691 and the transport option) were treated as octal if they started with 0.
692 The documentation was vague. These values are now always treated as
693 decimal, and I will make that clear in the documentation.
694
695
93cfa765
TK
696Exim version 4.65
697-----------------
698
699TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
700 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
701 versions. (#438)
702
d6066548
MH
703MH/01 Don't check that the operands of numeric comparison operators are
704 integers when their expansion is in "skipping" mode (fixes bug
705 introduced by 4.64-PH/07).
706
4362ff0d
PH
707PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
708 child addresses, Exim now panics and dies. Previously, because the count
709 is held in a short int, deliveries were likely to be lost. As such a
710 large number of recipients for a single message is ridiculous
711 (performance will be very, very poor), I have chosen to impose a limit
712 rather than extend the field.
713
93cfa765 714
944e9e9c
TF
715Exim version 4.64
716-----------------
aa41d2de 717
21d74bd9
TK
718TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
719 leftover -K file (the existence of which was triggered by #402).
720 While we were at it, introduced process PID as part of the -K
721 filename. This should rule out race conditions when creating
722 these files.
723
724TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
725 processing considerably. Previous code took too long for large mails,
726 triggering a timeout which in turn triggers #401.
727
728TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
729 in the DK code in transports.c. sendfile() is not really portable,
730 hence the _LINUX specificness.
944e9e9c
TF
731
732TF/01 In the add_headers option to the mail command in an Exim filter,
733 there was a bug that Exim would claim a syntax error in any
734 header after the first one which had an odd number of characters
735 in the field name.
736
2b1c6e3a
PH
737PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
738 callout verification, Exim cached a "reject" for the entire domain. This
739 is correct for most verifications, but it is not correct for a recipient
740 verification with use_sender or use_postmaster set, because in that case
741 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
742 case of MAIL FROM:<> rejection from other early rejections (e.g.
743 rejection of HELO). When verifying a recipient using a non-null MAIL
744 address, the cache is ignored if it shows MAIL FROM:<> rejection.
745 Whatever the result of the callout, the value of the domain cache is
746 left unchanged (for any other kind of callout, getting as far as trying
747 RCPT means that the domain itself is ok).
748
1f872c80
PH
749PH/02 Tidied a number of unused variable and signed/unsigned warnings that
750 gcc 4.1.1 threw up.
751
752PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
753 manifest itself as EPIPE rather than ECONNECT. When tidying away a
754 session, the daemon ignores ECONNECT errors and logs others; it now
755 ignores EPIPE as well.
756
d203e649
PH
757PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
758 (quoted-printable decoding).
759
cc2ed8f7 760PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 761 later the small subsequent patch to fix an introduced bug.
f951fd57 762
ddfcd446
PH
763PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
764
d45b1de8
PH
765PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
766
767PH/08 An error is now given if message_size_limit is specified negative.
768
38a0a95f 769PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 770 to be given (somewhat) arbitrary names.
38a0a95f 771
a2405d83
JJ
772JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
773 in 4.64-PH/09.
774
775JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
776 miscellaneous code fixes
777
6ea85e9a
PH
778PH/10 Added the log_reject_target ACL modifier to specify where to log
779 rejections.
780
26da7e20
PH
781PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
782 hostname. This is wrong, because it relates to the incoming message (and
783 probably the interface on which it is arriving) and not to the outgoing
784 callout (which could be using a different interface). This has been
785 changed to use the value of the helo_data option from the smtp transport
786 instead - this is what is used when a message is actually being sent. If
787 there is no remote transport (possible with a router that sets up host
788 addresses), $smtp_active_hostname is used.
6ea85e9a 789
14aa5a05 790PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 791 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
792 (a) The code assumed that strncpy() returns a negative number on buffer
793 overflow, which isn't the case. Replaced with Exim's string_format()
794 function.
795 (b) There were several signed/unsigned issues. I just did the minimum
796 hacking in of casts. There is scope for a larger refactoring.
797 (c) The code used strcasecmp() which is not a standard C function.
798 Replaced with Exim's strcmpic() function.
799 (d) The code set only $1; it now sets $auth1 as well.
800 (e) A simple test gave the error "authentication client didn't specify
801 service in request". It would seem that Dovecot has changed its
802 interface. Fortunately there's a specification; I followed it and
803 changed what the client sends and it appears to be working now.
804
ff75a1f7
PH
805PH/13 Added $message_headers_raw to provide the headers without RFC 2047
806 decoding.
807
e6f6568e
PH
808PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
809 address A is aliased to B and C, where B exists and C does not. Without
810 -v the output is "A verified" because verification stops after a
811 successful redirection if more than one address is generated. However,
812 with -v the child addresses are also verified. Exim was outputting "A
813 failed to verify" and then showing the successful verification for C,
814 with its parentage. It now outputs "B failed to verify", showing B's
815 parentage before showing the successful verification of C.
816
d6f6e0dc
PH
817PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
818 look up a TXT record in a specific list after matching in a combined
819 list.
820
322050c2
PH
821PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
822 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
823 they consult the DNS. I had assumed they would set it the way they
824 wanted; and indeed my experiments on Linux seem to show that in some
825 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
826 To be on the safe side, however, I have now made the interface to
827 host_find_byname() similar to host_find_bydns(), with an argument
828 containing the DNS resolver options. The host_find_byname() function now
829 sets these options at its start, just as host_find_bydns() does. The smtp
830 transport options dns_qualify_single and dns_search_parents are passed to
831 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
832 of host_find_byname() use the default settings of RES_DEFNAMES
833 (qualify_single) but not RES_DNSRCH (search_parents).
834
08955dd3
PH
835PH/17 Applied (a modified version of) Nico Erfurth's patch to make
836 spool_read_header() do less string testing, by means of a preliminary
837 switch on the second character of optional "-foo" lines. (This is
838 overdue, caused by the large number of possibilities that now exist.
839 Originally there were few.) While I was there, I also converted the
840 str(n)cmp tests so they don't re-test the leading "-" and the first
841 character, in the hope this might squeeze out yet more improvement.
842
1eccaa59
PH
843PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
844 flag allowing group syntax was set by the header_syntax check but not
845 turned off, possible causing trouble later; (2) The flag was not being
846 set at all for the header_verify test, causing "group"-style headers to
847 be rejected. I have now set it in this case, and also caused header_
848 verify to ignore an empty address taken from a group. While doing this, I
849 came across some other cases where the code for allowing group syntax
850 while scanning a header line wasn't quite right (mostly, not resetting
851 the flag correctly in the right place). These bugs could have caused
852 trouble for malformed header lines. I hope it is now all correct.
853
602e59e5
PH
854PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
855 with the "reply" argument non-NULL. The code, however (which originally
856 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
857 but it didn't always do it. This confused somebody who was copying the
858 code for some other use. I have removed all the tests.
859
411ef850
PH
860PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
861 feature that was used to support insecure browsers during the U.S. crypto
862 embargo. It requires special client support, and Exim is probably the
863 only MTA that supported it -- and would never use it because real RSA is
864 always available. This code has been removed, because it had the bad
865 effect of slowing Exim down by computing (never used) parameters for the
866 RSA_EXPORT functionality.
867
7befa435
PH
868PH/21 On the advice of Timo Sirainen, added a check to the dovecot
869 authenticator to fail if there's a tab character in the incoming data
870 (there should never be unless someone is messing about, as it's supposed
871 to be base64-encoded). Also added, on Timo's advice, the "secured" option
872 if the connection is using TLS or if the remote IP is the same as the
873 local IP, and the "valid-client-cert option" if a client certificate has
874 been verified.
875
48da4259 876PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
877 authenticators. This can be used for authorization after authentication
878 succeeds. (In the case of plaintext, it servers for both authentication
879 and authorization.)
880
48da4259
PH
881PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
882 if any retry times were supplied.
883
d1d5595c
PH
884PH/24 Exim crashed if verify=helo was activated during an incoming -bs
885 connection, where there is no client IP address to check. In this
886 situation, the verify now always succeeds.
887
0ef732d9
PH
888PH/25 Applied John Jetmore's -Mset patch.
889
328895cc
PH
890PH/26 Added -bem to be like -Mset, but loading a message from a file.
891
fd700877
PH
892PH/27 In a string expansion for a processed (not raw) header when multiple
893 headers of the same name were present, leading whitespace was being
894 removed from all of them, but trailing whitespace was being removed only
895 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
896 before concatenation. Completely empty headers in a concatenation (as
897 before) are ignored.
fd700877 898
8dce1a6f
PH
899PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
900 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
901
17af4a17
PH
902PH/29 [Removed. This was a change that I later backed out, and forgot to
903 correct the ChangeLog entry (that I had efficiently created) before
904 committing the later change.]
f6c332bd
PH
905
906PH/30 Exim was sometimes attempting to deliver messages that had suffered
907 address errors (4xx response to RCPT) over the same connection as other
908 messages routed to the same hosts. Such deliveries are always "forced",
909 so retry times are not inspected. This resulted in far too many retries
910 for the affected addresses. The effect occurred only when there were more
911 hosts than the hosts_max_try setting in the smtp transport when it had
912 the 4xx errors. Those hosts that it had tried were not added to the list
913 of hosts for which the message was waiting, so if all were tried, there
914 was no problem. Two fixes have been applied:
915
916 (i) If there are any address or message errors in an SMTP delivery, none
917 of the hosts (tried or untried) are now added to the list of hosts
918 for which the message is waiting, so the message should not be a
919 candidate for sending over the same connection that was used for a
920 successful delivery of some other message. This seems entirely
921 reasonable: after all the message is NOT "waiting for some host".
922 This is so "obvious" that I'm not sure why it wasn't done
923 previously. Hope I haven't missed anything, but it can't do any
924 harm, as the worst effect is to miss an optimization.
925
926 (ii) If, despite (i), such a delivery is accidentally attempted, the
927 routing retry time is respected, so at least it doesn't keep
928 hammering the server.
929
c1114884
PH
930PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
931 in ${readsocket because some servers need this prod.
932
7a0743eb
PH
933PH/32 Added some extra debug output when updating a wait-xxx database.
934
0d85fa3f
PH
935PH/33 The hint "could be header name not terminated by colon", which has been
936 given for certain expansion errors for a long time, was not being given
937 for the ${if def:h_colon_omitted{... case.
938
1bf43b78
PH
939PH/34 The spec says: "With one important exception, whenever a domain list is
940 being scanned, $domain contains the subject domain." There was at least
941 one case where this was not true.
942
520de300
PH
943PH/35 The error "getsockname() failed: connection reset by peer" was being
944 written to the panic log as well as the main log, but it isn't really
945 panic-worthy as it just means the connection died rather early on. I have
946 removed the panic log writing for the ECONNRESET error when getsockname()
947 fails.
948
48c7f9e2
PH
949PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
950 runs only) independently of the message's sender address. This meant
951 that, if the 4xx error was in fact related to the sender, a different
952 message to the same recipient with a different sender could confuse
953 things. In particualar, this can happen when sending to a greylisting
954 server, but other circumstances could also provoke similar problems.
955 I have changed the default so that the retry time for these errors is now
956 based a combination of the sender and recipient addresses. This change
957 can be overridden by setting address_retry_include_sender=false in the
958 smtp transport.
959
99ea1c86
PH
960PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
961 remote server are returned as part of bounce messages. This was not
962 happening for LMTP over a pipe (the lmtp transport), but now it is the
963 same for both kinds of LMTP.
964
a2042e78
PH
965PH/38 Despite being documented as not happening, Exim was rewriting addresses
966 in header lines that were in fact CNAMEs. This is no longer the case.
967
4fbcfc2e
PH
968PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
969 and queue runs started by the daemon processed all messages. This has
970 been fixed so that -R and -S can now usefully be given with -q<time>.
971
aa41d2de
PH
972PH/40 Import PCRE release 6.7 (fixes some bugs).
973
af561417
PH
974PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
975
3cc66b45
PH
976PH/42 Give an error if -q is specified more than once.
977
194cc0e4
PH
978PH/43 Renamed the variables $interface_address and $interface_port as
979 $received_ip_address and $received_port, to make it clear that these
980 values apply to message reception, and not to the outgoing interface when
981 a message is delivered. (The old names remain recognized, of course.)
982
a401ddaa
PH
983PH/44 There was no timeout on the connect() call when using a Unix domain
984 socket in the ${readsocket expansion. There now is.
985
4e88a19f
PH
986PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
987 be meaningful with "accept".
988
d7d7b289
SC
989SC/01 Eximstats V1.43
990 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
991
992SC/02 Eximstats V1.44
993 Use a glob alias rather than an array ref in the generated
994 parser. This improves both readability and performance.
995
996SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
997 Collect SpamAssassin and rejection statistics.
998 Don't display local sender or destination tables unless
999 there is data to show.
1000 Added average volumes into the top table text output.
1001
1002SC/04 Eximstats V1.46
1003 Collect data on the number of addresses (recipients)
1004 as well as the number of messages.
1005
1006SC/05 Eximstats V1.47
1007 Added 'Message too big' to the list of mail rejection
1008 reasons (thanks to Marco Gaiarin).
1009
1010SC/06 Eximstats V1.48
1011 Mainlog lines which have GMT offsets and are too short to
1012 have a flag are now skipped.
1013
1014SC/07 Eximstats V1.49 (Alain Williams)
1015 Added the -emptyok flag.
1016
1017SC/08 Eximstats V1.50
1018 Fixes for obtaining the IP address from reject messages.
1019
0ea2a468
JJ
1020JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
1021 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
1022 whitesspace changes from 4.64-PH/27
1023
1024JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
1025 match 4.64-PH/13
1026
1027JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
1028 are found, allow negative numbers in numeric criteria)
1029
1030JJ/06 exipick.20061117.2, added new $message_body_missing variable
1031
1032JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
1033 to match changes made in 4.64-PH/43
1034
8a10f5a4
PH
1035PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
1036
30e18802
PH
1037PH/47 Put in an explicit test for a DNS lookup of an address record where the
1038 "domain" is actually an IP address, and force a failure. This locks out
1039 those revolvers/nameservers that support "A-for-A" lookups, in
1040 contravention of the specifications.
1041
55728a4f
PH
1042PH/48 When a host name was looked up from an IP address, and the subsequent
1043 forward lookup of the name timed out, the host name was left in
1044 $sender_host_name, contrary to the specification.
d7d7b289 1045
d7837193
PH
1046PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1047 restricted to single-key lookups, Exim was not diagnosing an error if
1048 * or *@ was used with a query-style lookup.
1049
87054a31
PH
1050PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1051
ea2c01d2
MH
1052MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1053 long ago, but noone interested enough thought of it. Let's just say that
1054 the "1.1" means that there are some new functions that weren't there at
1055 some point in the past.
1056
e4fa6968
PH
1057PH/51 Error processing for expansion failure of helo_data from an smtp
1058 transport during callout processing was broken.
1059
56f5d9bd
PH
1060PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1061 tested/used via the -bh/-bhc/-bs options.
1062
922e1c28
PH
1063PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1064 bug, fixed in subsequent PCRE releases).
1065
21eb6e72
PH
1066PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1067 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1068
a0540757
PH
1069PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1070
944e9e9c 1071
478be7b0
SC
1072Exim version 4.63
1073-----------------
1074
1075SC/01 Use a glob alias rather than an array ref in eximstats generated
1076 parser. This improves both readability and performance.
1077
1078SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1079 Don't display local sender or destination tables in eximstats unless
1080 there is data to show.
1081 Added average volumes into the eximstats top table text output.
1082
1083SC/03 Collect data on the number of addresses (recipients) as well
1084 as the number of messages in eximstats.
1085
2b965a65
TF
1086TF/01 Correct an error in the documentation for the redirect router. Exim
1087 does (usually) call initgroups() when daemonizing.
478be7b0 1088
45b91596
PH
1089TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1090 with consistent privilege compared to when running as a daemon.
478be7b0 1091
c59f5781
TF
1092TF/03 Note in the spec that $authenticated_id is not set for local
1093 submissions from trusted users.
1094
90fc3069
TF
1095TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1096 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1097
6083aca0
TF
1098TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1099 by adding some example configuration directives to the default
1100 configuration file. A little bit of work is required to uncomment the
1101 directives and define how usernames and passwords are checked, but
1102 there is now a framework to start from.
1103
765b530f
PH
1104PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1105 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1106 without this. I don't know how relevant this is to other LDAP libraries.
1107
4e167a8c
PH
1108PH/02 Add the verb name to the "unknown ACL verb" error.
1109
4608d683
PH
1110PH/03 Magnus Holmgren's patch for filter_prepend_home.
1111
b8dc3e4a
PH
1112PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1113
5418e93b
PH
1114PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1115 directory not expanded when it should be if an expanded home directory
1116 was set for the address (which is overridden by the transport).
1117
b4a9bda2
PH
1118PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1119 libradius.
1120
45b91596
PH
1121PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1122 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1123 because it is too late at that time, and has no effect.
1124
5547e2c5
PH
1125PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1126 security issue with \' (bugzilla #107). I could not use the
1127 PQescapeStringConn() function, because it needs a PGconn value as one of
1128 its arguments.
1129
dbcef0ea
PH
1130PH/08 When testing addresses using -bt, indicate those final addresses that
1131 are duplicates that would not cause an additional delivery. At least one
1132 person was confused, thinking that -bt output corresponded to deliveries.
1133 (Suppressing duplicates isn't a good idea as you lose the information
1134 about possibly different redirections that led to the duplicates.)
1135
25257489
PH
1136PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1137 systems where poll() doesn't work, in particular OS X.
1138
c816d124
PH
1139PH/10 Added more information to debugging output for retry time not reached.
1140
a9ccd69a
PH
1141PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1142 operations in malware.c.
1143
75fa1910
PH
1144PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1145 signatures.
1146
a7d7aa58
PH
1147PH/13 If write_rejectlog was set false when logging was sent to syslog with
1148 syslog_duplication set false, log lines that would normally be written
1149 both the the main log and to the reject log were not written to syslog at
1150 all.
1151
42119b09
PH
1152PH/14 In the default configuration, change the use of "message" in ACL warn
1153 statements to "add_header".
1154
41609df5
PH
1155PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1156 not followed by a command (e.g. "seen endif").
1157
a5bd321b
PH
1158PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1159 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1160 latter.
1161
e85a7ad5 1162PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1163 so that it is now:
1164
e85a7ad5
PH
1165 ${if or { \
1166 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1167 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1168 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1169 }{no}{yes}}
1170
e85a7ad5
PH
1171 The Auto-Submitted: and various List- headers are standardised, whereas I
1172 don't think Precedence: ever was.
5dff5817 1173
d8fe1c03
PH
1174PH/18 Refactored debugging code in route_finduser() to show more information,
1175 in particular, the error code if getpwnam() issues one.
1176
16282d2b
PH
1177PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1178 This is apparently needed in addition to the PH/07 change above to avoid
1179 any possible encoding problems.
1180
35d40a98
PH
1181PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1182 but not after initializing Perl.
1183
034d99ab
PH
1184PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1185 output them only if debugging. By default they are written stderr,
1186 apparently, which is not desirable.
1187
6ec97b1b
PH
1188PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1189 queries.
1190
e22ca4ac
JJ
1191JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1192 --not options
1193
1194JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1195
33d73e3b
PH
1196PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1197 authenticated or an ident call has been made. Suppress the default
1198 values for $authenticated_id and $authenticated_sender (but permit -oMai
1199 and -oMas) when testing with -bh.
1200
9ecb03f3
PH
1201PH/24 Re-jigged the order of the tests in the default configuration so that the
1202 tests for valid domains and recipients precede the DNS black list and CSA
1203 tests, on the grounds that those ones are more expensive.
1204
084efe8d
PH
1205PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1206 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1207 This bug exists in every version of Exim that I still have, right back to
1208 0.12.
1209
366fc9f0
PH
1210PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1211 However, an attempt to turn on case-sensitivity in a regex key by
1212 including (?-i) didn't work because the subject string was already
1213 lowercased, and the effects were non-intuitive. It turns out that a
1214 one-line patch can be used to allow (?-i) to work as expected.
1215
c59f5781 1216
c887c79e
TF
1217Exim version 4.62
1218-----------------
1219
1220TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1221 other effects) broke the use of negated acl sub-conditions.
1222
1cce3af8
PH
1223PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1224 patch).
1225
afb3eaaf
PH
1226PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1227 "Deny" causes Exim to reject the incoming connection with a 554 error.
1228 Unfortunately, if there is a major crisis, such as a disk failure,
1229 tcp-wrappers gives "deny", whereas what one would like would be some
1230 kind of temporary error. A kludge has been added to help with this.
1231 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1232 554 error is used if errno is still zero or contains ENOENT (which occurs
1233 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1234 451 error is used.
1235
e173618b
PH
1236PH/03 Add -lutil to the default FreeBSD LIBS setting.
1237
dd16e114
PH
1238PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1239 errors. Otherwise a message that provokes a temporary error (when other
1240 messages do not) can cause a whole host to time out.
1241
f7fd3850
PH
1242PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1243 addresses were routed directly to files or pipes from a redirect router.
1244 File deliveries just didn't batch; pipe deliveries might have suffered
1245 odd errors.
1246
d87df92c
PH
1247PH/06 A failure to get a lock for a hints database would erroneously always say
1248 "Failed to get write lock", even when it was really a read lock.
1249
7e9f683d
PH
1250PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1251 of 0600. This has been changed to use the value of the lockfile_mode
1252 option (which defaults to 0600).
1253
bfad5236
PH
1254PH/08 Applied small patch from the Sieve maintainer.
1255
01c490df
PH
1256PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1257 folder from quota calculations, a direct delivery into this folder messed
1258 up the contents of the maildirsize file. This was because the regex was
1259 used only to exclude .Trash (or whatever) when the size of the mailbox
1260 was calculated. There was no check that a delivery was happening into an
1261 excluded directory. This bug has been fixed by ignoring all quota
1262 processing for deliveries into excluded directories.
1263
d6629cdc
PH
1264PH/10 Added the maildirfolder_create_regex option to appendfile.
1265
1cce3af8 1266
214e2000
PH
1267Exim version 4.61
1268-----------------
1269
1270PH/01 The code for finding all the local interface addresses on a FreeBSD
1271 system running IPv6 was broken. This may well have applied to all BSD
1272 systems, as well as to others that have similar system calls. The broken
1273 code found IPv4 interfaces correctly, but gave incorrect values for the
1274 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1275 that it would not match correctly against @[] and not recognize the IPv6
1276 addresses as local.
1277
f9daeae0
PH
1278PH/02 The ipliteral router was not recognizing addresses of the form user@
1279 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1280
7e66e54d
PH
1281PH/03 Added disable_ipv6.
1282
c8ea1597
PH
1283PH/04 Changed $reply_address to use the raw form of the headers instead of the
1284 decoded form, because it is most often used to construct To: headers
1285 lines in autoreplies, and the decoded form may well be syntactically
1286 invalid. However, $reply_address has leading white space removed, and all
1287 newlines turned into spaces so that the autoreply transport does not
1288 grumble.
1289
911f6fde
PH
1290PH/05 If group was specified without a user on a router, and no group or user
1291 was specified on a transport, the group from the router was ignored.
1292
47ca6d6c
PH
1293PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1294 for visible compile-time settings that can be used to change these
1295 numbers, for those that want even more. Backwards compatibility with old
1296 spool files has been maintained. However, going back to a previous Exim
1297 release will lost any variables that are in spool files.
1298
ed0e9820
PH
1299PH/07 Two small changes when running in the test harness: increase delay when
1300 passing a TCP/IP connection to a new process, in case the original
1301 process has to generate a bounce, and remove special handling of
1302 127.0.0.2 (sic), which is no longer necessary.
1303
eff37e47
PH
1304PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1305 be the same on different OS.
1306
1921d2ea
PH
1307PH/09 Moved a debug statement in filter processing to avoid a race problem when
1308 testing.
1309
b3f69ca8
JJ
1310JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1311 whether --show-vars was specified or not
1312
1313JJ/02 exipick: Added support for new ACL variable spool format introduced
1314 in 4.61-PH/06
1315
424a1c63
PH
1316PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1317 syntactically invalid From: or Reply-to: line, and a filter used this to
1318 generate an autoreply, and therefore failed to obtain an address for the
1319 autoreply, Exim could try to deliver to a non-existent relative file
1320 name, causing unrelated and misleading errors. What now happens is that
1321 it logs this as a hard delivery error, but does not attempt to create a
1322 bounce message.
1323
7a100415
PH
1324PH/11 The exinext utility has a -C option for testing purposes, but although
1325 the given file was scanned by exinext itself; it wasn't being passed on
1326 when Exim was called.
1327
19b9dc85
PH
1328PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1329 an end-of-file indication when reading a command response.
1330
309bd837
PH
1331PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1332 compiled. In many other places in Exim, IPv6 addresses are always
1333 recognized, so I have changed this. It also means that IPv4 domain
1334 literals of the form [IPV4:n.n.n.n] are now always recognized.
1335
59e82a2a
PH
1336PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1337 used if the router is not running as root, for example, when verifying at
1338 ACL time, or when using -bh. The debugging output from this situation was
1339 non-existent - all you got was a failure to exec. I have made two
1340 changes:
1341
1342 (a) Failures to set uid/gid, the current directory, or a process leader
1343 in a subprocess such as that created by queryprogram now generate
1344 suitable debugging ouput when -d is set.
1345
1346 (b) The queryprogram router detects when it is not running as root,
1347 outputs suitable debugging information if -d is set, and then runs
1348 the subprocess without attempting to change uid/gid.
1349
9edc04ce
PH
1350PH/15 Minor change to Makefile for building test_host (undocumented testing
1351 feature).
1352
1349e1e5
PH
1353PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1354 additional section of a DNS packet that returns MX or SRV records.
1355 Instead, it always explicitly searches for A/AAAA records. This avoids
1356 major problems that occur when a DNS server includes only records of one
1357 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1358 fixed another bug: if SRV records were looked up and the corresponding
1359 address records were *not* found in the additional section, the port
1360 values from the SRV records were lost.
1361
ea49d0e1
PH
1362PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1363 using the correct key (the original address) when searching the retry
1364 rules in order to find which one to use for generating the retry hint.
1365
064a94c9
PH
1366PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1367 adding the default one. Similarly, if it contains a Reply-To: header, the
1368 errors_reply_to option, if set, is not used.
1369
727071f8
PH
1370PH/19 When calculating a retry time, Exim used to measure the "time since
1371 failure" by looking at the "first failed" field in the retry record. Now
1372 it does not use this if it is later than than the arrival time of the
1373 message. Instead it uses the arrival time. This makes for better
1374 behaviour in cases where some deliveries succeed, thus re-setting the
1375 "first failed" field. An example is a quota failure for a huge message
1376 when small messages continue to be delivered. Without this change, the
1377 "time since failure" will always be short, possible causing more frequent
1378 delivery attempts for the huge message than are intended.
dd16e114 1379 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1380
f78eb7c6
PH
1381PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1382 $1, $2, $3) because the numerical variables can be reset during some
1383 expansion items (e.g. "match"), thereby losing the authentication data.
1384
21c28500
PH
1385PH/21 Make -bV show the size of off_t variables so that the test suite can
1386 decide whether to run tests for quotas > 2G.
1387
1388PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1389 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1390 filecount value is greater than 2G or if a quota value is greater than 2G
1391 on a system where the size of off_t is not greater than 4, a panic error
1392 is given.
1393
1688f43b
PH
1394PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1395 never match. The debug and -bh output now contains an explicit error
1396 message indicating a malformed IPv4 address or mask.
1397
1398PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1399 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1400 PH/23 above applies.
1401
9675b384
PH
1402PH/25 Do not write to syslog when running in the test harness. The only
1403 occasion when this arises is a failure to open the main or panic logs
1404 (for which there is an explicit test).
1405
6a3f1455
PH
1406PH/26 Added the /no_tell option to "control=freeze".
1407
dac79d3e
PH
1408PH/27 If a host name lookup failed very early in a connection, for example, if
1409 the IP address matched host_lookup and the reverse lookup yielded a name
1410 that did not have a forward lookup, an error message of the form "no IP
1411 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1412 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1413
5977a0b3
PH
1414PH/28 An enabling patch from MH: add new function child_open_exim2() which
1415 allows the sender and the authenticated sender to be set when
1416 submitting a message from within Exim. Since child_open_exim() is
1417 documented for local_scan(), the new function should be too.
1418
c91535f3
PH
1419PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1420 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1421 results in an empty string is now treated as unset.
1422
0d46a8c8
PH
1423PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1424
278c6e6c
PH
1425PH/31 Added sender_verify_fail logging option.
1426
2cbb4081
PH
1427PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1428 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1429 tidied the source and removed it altogether.
1430
3eef829e
PH
1431PH/33 When a queue run was abandoned because the load average was too high, a
1432 log line was always written; now it is written only if the queue_run log
1433 selector is set. In addition, the log line for abandonment now contains
1434 information about the queue run such as the pid. This is always present
1435 in "start" and "stop" lines but was omitted from the "abandon" line.
1436
1ab95fa6
PH
1437PH/34 Omit spaces between a header name and the colon in the error message that
1438 is given when verify = headers_syntax fails (if there are lots of them,
1439 the message gets confusing).
1440
230205fc
PH
1441PH/35 Change the default for dns_check_names_pattern to allow slashes within
1442 names, as there are now some PTR records that contain slashes. This check
1443 is only to protect against broken name servers that fall over on strange
1444 characters, so the fact that it applies to all lookups doesn't matter.
1445
75e0e026
PH
1446PH/36 Now that the new test suite is complete, we can remove some of the
1447 special code in Exim that was needed for the old test suite. For example,
1448 sorting DNS records because real resolvers return them in an arbitrary
1449 order. The new test suite's fake resolver always returns records in the
1450 same order.
1451
1452PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1453 bounces) except when queue_only is set, to avoid logging races between
1454 the different processes.
1455
145396a6
PH
1456PH/38 Panic-die if .include specifies a non-absolute path.
1457
3cd34f13
PH
1458PH/39 A tweak to the "H" retry rule from its user.
1459
11121d3d
JJ
1460JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1461 a label. They prevented compilation on older perls.
1462
1463JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1464 a warning to be raised on newish perls.
1465
1466JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1467 on queue. Changes to match documented behaviour of showing count of
1468 messages matching specified criteria.
1469
8def5aaf
PH
1470PH/40 Changed the default ident timeout from 30s to 5s.
1471
929ba01c
PH
1472PH/41 Added support for the use of login_cap features, on those BSD systems
1473 that have them, for controlling the resources used by pipe deliveries.
1474
2632889e
PH
1475PH/42 The content-scanning code uses fopen() to create files in which to put
1476 message data. Previously it was not paying any attention to the mode of
1477 the files. Exim runs with umask(0) because the rest of the code creates
1478 files with open(), and sets the required mode explicitly. Thus, these
1479 files were ending up world-writeable. This was not a big issue, because,
1480 being within the spool directory, they were not world-accessible. I have
1481 created a function called modefopen, which takes an additional mode
1482 argument. It sets umask(777), creates the file, chmods it to the required
1483 mode, then resets the umask. All the relevant calls to fopen() in the
1484 content scanning code have been changed to use this function.
1485
944a9c55
PH
1486PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1487 to 24 hours. This avoids potential overflow problems when processing G
1488 and H retry rules. I suspect nobody ever tinkers with this value.
1489
4a23603b
PH
1490PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1491
4730f942
PH
1492PH/45 When the plaintext authenticator is running as a client, the server's
1493 challenges are checked to ensure they are valid base64 strings. By
1494 default, the authentication attempt is cancelled if an invalid string is
1495 received. Setting client_ignore_invalid_base64 true ignores these errors.
1496 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1497 they are received. Thus, the responses can be made to depend on the
1498 challenges. If an invalid string is ignored, an empty string is placed in
1499 the variable.
1500
30dba1e6
PH
1501PH/46 Messages that are created by the autoreply transport now contains a
1502 References: header, in accordance with RFCs 2822 and 3834.
1503
382afc6b
PH
1504PH/47 Added authenticated_sender_force to the smtp transport.
1505
a86229cf
PH
1506PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1507
50c99ba6
PH
1508PH/49 Installed latest patch from the Sieve maintainer.
1509
d35e429d
PH
1510PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1511 was also set, the appendfile transport was unnecessarily scanning a
1512 directory of message files (e.g. for maildir delivery) to find the count
1513 of files (along with the size), even though it did not need this
1514 information. It now does the scan only if it needs to find either the
1515 size of the count of files.
1516
f90d018c
PH
1517PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1518
75def545
PH
1519PH/52 Two bugs concerned with error handling when the smtp transport is
1520 used in LMTP mode:
1521
1522 (i) Exim was not creating retry information for temporary errors given
1523 for individual recipients after the DATA command when the smtp transport
1524 was used in LMTP mode. This meant that they could be retried too
1525 frequently, and not timed out correctly.
1526
1527 (ii) Exim was setting the flag that allows error details to be returned
1528 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1529 recipients that were returned after the DATA command.
1530
1531PH/53 This is related to PH/52, but is more general: for any failing address,
1532 when detailed error information was permitted to be returned to the
1533 sender, but the error was temporary, then after the final timeout, only
1534 "retry timeout exceeded" was returned. Now it returns the full error as
1535 well as "retry timeout exceeded".
1536
c46782ef
PH
1537PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1538 do this, and (what is worse) MTAs that accept it.
1539
71fafd95
PH
1540PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1541 will now be deprecated.
1542
2c5db4fd
PH
1543PH/56 New os.c-cygwin from the Cygwin maintainer.
1544
9cf6b11a
JJ
1545JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1546 formats (previously only available in exim formats via -bpr, -bpru,
1547 and -bpra. Now also available in native and exiqgrep formats)
1548
1549JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1550 with very large, slow to parse queues
1551
1552JJ/08 exipick: added ! as generic prefix to negate any criteria format
1553
1554JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1555
898d150f
PH
1556PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1557 responses to authentication challenges, though it was showing the
1558 challenges; (ii) I've removed the CR characters from the debug output for
1559 SMTP output lines.
1560
46218253
PH
1561PH/58 Allow for the insertion of a newline as well as a space when a string
1562 is turned into more than one encoded-word during RFC 2047 encoding. The
1563 Sieve code now uses this.
1564
e97957bc
PH
1565PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1566 data_4xx, lost_connection, tls_required.
1567
81e509d7
PH
1568PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1569 message was being sent as an SMTP response.
1570
3d240ff7
PH
1571PH/61 Add -l and -k options to exicyclog.
1572
b37c4101
PH
1573PH/62 When verifying, if an address was redirected to one new address, so that
1574 verification continued, and the new address failed or deferred after
1575 having set something in $address_data, the value of $address_data was not
1576 passed back to the ACL. This was different to the case when no
1577 redirection occurred. The value is now passed back in both cases.
1578
79378e0f
PH
1579PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1580 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1581 use login_cap.h, so on its own it isn't the distinguishing feature. The
1582 new name refers directly to the setclassresources() function.
1583
e49c7bb4
PH
1584PH/65 Added configuration files for NetBSD3.
1585
d114ec46
PH
1586PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1587
f3d7df6c
PH
1588PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1589 is preferred over IPv4.
1590
715ab376
PH
1591PH/68 The bounce_return_message and bounce_return_body options were not being
1592 honoured for bounces generated during the reception of non-SMTP messages.
1593 In particular, this applied to messages rejected by the ACL. This bug has
1594 been fixed. However, if bounce_return_message is true and bounce_return_
1595 body is false, the headers that are returned for a non-SMTP message
1596 include only those that have been read before the error was detected.
1597 (In the case of an ACL rejection, they have all been read.)
1598
6b31b150
PH
1599PH/69 The HTML version of the specification is now built in a directory called
1600 spec_html instead of spec.html, because the latter looks like a path with
1601 a MIME-type, and this confuses some software.
1602
1603PH/70 Catch two compiler warnings in sieve.c.
1604
d515a917
PH
1605PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1606 function verify_get_ident() calls ip_connect() to connect a socket, but
1607 if the "connect()" function timed out, ip_connect() used to close the
1608 socket. However, verify_get_ident() also closes the socket later, and in
1609 between Exim writes to the log, which may get opened at this point. When
1610 the socket was closed in ip_connect(), the log could get the same file
1611 descriptor number as the socket. This naturally causes chaos. The fix is
1612 not to close the socket in ip_connect(); the socket should be closed by
1613 the function that creates it. There was only one place in the code where
1614 this was missing, in the iplookup router, which I don't think anybody now
1615 uses, but I've fixed it anyway.
1616
9b8fadde
PH
1617PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1618 well as to direct DNS lookups. Otherwise the handling of names in host
1619 lists is inconsistent and therefore confusing.
1620
214e2000 1621
5de37277
PH
1622Exim version 4.60
1623-----------------
1624
cc38ddbf
PH
1625PH/01 Two changes to the default runtime configuration:
1626
1627 (1) Move the checks for relay_from_hosts and authenticated clients from
1628 after to before the (commented out) DNS black list checks.
1629
1630 (2) Add control=submission to the relay_from_hosts and authenticated
1631 clients checks, on the grounds that messages accepted by these
1632 statements are most likely to be submissions.
5de37277 1633
72fdd6ae
PH
1634PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1635
1636 (1) Generate an error if the third argument for the ${prvs expansion is
1637 not a single digit.
1638
1639 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1640 string.
1641
1642 (3) Reset the variables that are obtained from the first argument of
1643 ${prvscheck and used in the second argument before leaving the code,
1644 because their memory is reclaimed, so using them afterwards may do
1645 silly things.
1646
1647 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1648 one (it's much easier than Tom thought :-).
1649
1650 (5) Because of (4), we can now allow for the use of $prvscheck_result
1651 inside the third argument.
cb9328de 1652
cb741023
PH
1653PH/03 For some reason, the default setting of PATH when running a command from
1654 a pipe transport was just "/usr/bin". I have changed it to
1655 "/bin:/usr/bin".
1656
f174f16e
PH
1657PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1658 anything to be listed in the output from -bV.
b2f5a032 1659
c25242d7
PH
1660PH/05 When a filter generated an autoreply, the entire To: header line was
1661 quoted in the delivery log line, like this:
1662
1663 => >A.N.Other <ano@some.domain> <original@ddress> ...
1664
1665 This has been changed so that it extracts the operative address. There
1666 may be more than one such address. If so, they are comma-separated, like
1667 this:
1668
1669 => >ano@some.domain,ona@other.domain <original@ddress> ...
1670
82c19f95
PH
1671PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1672 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1673 not being looked up in the rDNS to get a host name, Exim was showing the
1674 IP address twice in Received: lines, even though the IP addresses were
1675 identical. For example:
1676
1677 Received: from [1.2.3.4] (helo=[1.2.3.4])
1678
1679 However, if the real host name was known, it was omitting the HELO data
1680 if it matched the actual IP address. This has been tidied up so that it
1681 doesn't show the same IP address twice.
1682
d7ffbc12
PH
1683PH/07 When both +timestamp and +memory debugging was on, the value given by
1684 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1685 called by the debug printing, thereby overwriting the timestamp buffer.
1686 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1687
9f526266
PH
1688PH/08 When the original message was included in an autoreply transport, it
1689 always said "this is a copy of the message, including all the headers",
1690 even if body_only or headers_only was set. It now gives an appropriate
1691 message.
1692
87fcc8b9
PH
1693PH/09 Applied a patch from the Sieve maintainer which:
1694
1695 o fixes some comments
1696 o adds the (disabled) notify extension core
1697 o adds some debug output for the result of if/elsif tests
1698 o points to the current vacation draft in the documentation
1699 and documents the missing references header update
1700
1701 and most important:
1702
1703 o fixes a bug in processing the envelope test (when testing
1704 multiple envelope elements, the last element determinted the
1705 result)
1706
456682f5
PH
1707PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1708 Electronic Mail") by including:
1709
1710 Auto-submitted: auto-generated
1711
1712 in the messages that it generates (bounce messages and others, such as
1713 warnings). In the case of bounce messages for non-SMTP mesages, there was
1714 also a typo: it was using "Auto_submitted" (underscore instead of
1715 hyphen). Since every message generated by Exim is necessarily in response
1716 to another message, thes have all been changed to:
1717
1718 Auto-Submitted: auto-replied
1719
1720 in accordance with these statements in the RFC:
1721
1722 The auto-replied keyword:
1723
1724 - SHOULD be used on messages sent in direct response to another
1725 message by an automatic process,
1726
1727 - MUST NOT be used on manually-generated messages,
1728
1729 - MAY be used on Delivery Status Notifications (DSNs) and Message
1730 Disposition Notifications (MDNs),
1731
1732 - MUST NOT be used on messages generated by automatic or periodic
1733 processes, except for messages which are automatic responses to
1734 other messages.
1735
3e46c1aa
PH
1736PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1737 to the default Received: header definition.
456682f5 1738
49826d12
PH
1739PH/12 Added log selector acl_warn_skipped (default on).
1740
eba0c039
PH
1741PH/13 After a successful wildlsearch lookup, discard the values of numeric
1742 variables because (a) they are in the wrong storage pool and (b) even if
1743 they were copied, it wouldn't work properly because of the caching.
1744
a0d6ba8a
PH
1745PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1746 checking when decoding. Apparently there are clients that generate
1747 overlong encoded strings. Why am I not surprised?
1748
f0917727
PH
1749PH/15 If the first argument of "${if match_address" was not empty, but did not
1750 contain an "@" character, Exim crashed. Now it writes a panic log message
1751 and treats the condition as false.
1752
096fee00
PH
1753PH/16 In autoreply, treat an empty string for "once" the same as unset.
1754
024bd3c2
PH
1755PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1756 extension "envelope-auth". The code is finished and in agreement with
1757 other implementations, but there is no documentation so far and in fact,
1758 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1759 not changing the active code.
1760
1761 Print executed "if" and "elsif" statements when debugging is used. This
1762 helps a great deal to understand what a filter does.
1763
1764 Document more things not specified clearly in RFC3028. I had all this
1765 sorted out, when out of a sudden new issues came to my mind. Oops."
1766
df199fec
PH
1767PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1768 (Bugzilla #53).
1769
d27f1df3
PH
1770PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1771 canonical form (as documented). However, after a host name lookup from
1772 the IP address, check_host() was doing a simple string comparison with
1773 addresses acquired from the DNS when checking that the found name did
1774 have the original IP as one of its addresses. Since any found IPv6
1775 addresses are likely to be in abbreviated form, the comparison could
1776 fail. Luckily, there already exists a function for doing the comparison
1777 by converting both addresses to binary, so now that is used instead of
1778 the text comparison.
1779
96776534
PH
1780PH/20 There was another similar case to PH/19, when a complete host name was
1781 given in a host list; looking up its IP address could give an abbreviated
1782 form, whereas the current host's name might or might not be abbreviated.
1783 The same fix has been applied.
1784
5de37277 1785
9a799bc0
PH
1786Exim version 4.54
1787-----------------
1788
1789PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1790 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1791 It now does.
1792
99a4b039
PH
1793PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1794 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1795
1796PH/03 Typo: missing ".o" in src/pcre/Makefile.
1797
4b233853
PH
1798PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1799 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1800 Also, for "Auto-Submitted", treat anything other than "no" as
1801 non-personal, in accordance with RFC 3834. (Previously it treated
1802 anything starting "auto-" as non-personal.)
1803
8857ccfd
PH
1804TF/01 The control=submission/name=... option had a problem with syntax
1805 errors if the name included a slash character. The /name= option
1806 now slurps the rest of the string, so it can include any characters
1807 but it must come last in the list of options (after /sender_retain
1808 or /domain=).
1809
433a2980
PH
1810PH/05 Some modifications to the interface to the fake nameserver for the new
1811 testing suite.
1812
3e46c1aa 1813
9a799bc0 1814
e3a311ba
TK
1815Exim version 4.53
1816-----------------
1817
1818TK/01 Added the "success_on_redirect" address verification option. See
1819 NewStuff for rationale and an example.
1820
13b685f9
PH
1821PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1822
395ff96d
PH
1823PH/02 Patch to exigrep to allow it to work on syslog lines.
1824
5b68f6e4
PH
1825PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1826 fread() to skip over the body file's header line, because in Cygwin the
1827 header line is locked and is inaccessible.
1828
1ab52c69
PH
1829PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1830 co-exist for some time) to make it clear that it is the Exim ID that is
1831 referenced, not the Message-ID: header line.
1832
b07e6aa3
PH
1833PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
1834 string_format() function, because snprintf() does not exist on all
1835 operating systems.
1836
254e032f
PH
1837PH/06 The use of forbid_filter_existstest now also locks out the use of the
1838 ${stat: expansion item.
1839
3af76a81
PH
1840PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
1841 protocol synchronization error", to keep the pedants happy.
1842
2548ba04
PH
1843PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
1844 well as for IRIX systems, when gcc is being used. See the host.c source
1845 file for comments.
1846
b6c6011d
PH
1847PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
1848
cf39cf57
PH
1849PH/10 Named domain lists were not working if used in a queue_smtp_domains
1850 setting.
1851
f1513293
PH
1852PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
1853 transport and to the smtp transport in LMTP mode.
1854
727549a4
PH
1855TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
1856
af46795e
PH
1857PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
1858 run a filter in a subprocess. This could lead to confusion in subsequent
1859 lookups in the parent process. There should also be a search_tidyup() at
1860 the end of the subprocess.
1861
d7b47fd0
PH
1862PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
1863 only if the host matched helo_try_verify_hosts, which caused the
1864 verification to occur when the EHLO/HELO command was issued. The ACL just
1865 tested the remembered result. Now, if a previous verification attempt has
1866 not happened, "verify = helo" does it there and then.
1867
ee744174
JJ
1868JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
1869
b582ab87
PH
1870TK/03 Fix log output including CR from clamd.
1871
41a13e0a
PH
1872PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
1873 exist provoked a memory error which could cause a segfault.
1874
f625cc5a
PH
1875PH/15 Installed PCRE 6.2
1876
1877PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
1878
21f7af35
PH
1879PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
1880 of the problem. Specifically, suggested +O2 rather than +O1 for the
1881 HP-UX compiler.
1882
31480e42
PH
1883PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
1884
2d280592
PH
1885PH/20 If a delivery was routed to a non-standard port by means of an SRV
1886 record, the port was not correctly logged when the outgoing_port log
1887 selector was set (it logged the transort's default port).
1888
7cd1141b
PH
1889PH/21 Added support for host-specific ports to manualroute, queryprogram,
1890 fallback_hosts, and "hosts" in the smtp transport.
1891
1892PH/22 If the log selector "outgoing_port" is set, the port is now also given on
1893 host errors such as "Connection refused".
1894
750af86e
PH
1895PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
1896 authentication with radiusclient 0.4.9:
1897
1898 - Error returned from rc_read_config was caught wrongly
1899 - Username/password not passed on to radius server due to wrong length.
1900
1901 The presumption is that some radiusclient API changes for 4.51/PH/17
1902 were not taken care of correctly. The code is still untested by me (my
1903 Linux distribution still has 0.3.2 of radiusclient), but it was
1904 contributed by a Radius user.
1905
1906PH/24 When doing a callout, the value of $domain wasn't set correctly when
1907 expanding the "port" option of the smtp transport.
1908
4304270b
TK
1909TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
1910 while reading a MIME header. Thanks to Tom Hughes for a patch.
1911
750af86e
PH
1912PH/24 Include config.h inside local_scan.h so that configuration settings are
1913 available.
1914
64ffc24f
PH
1915PH/25 Make $smtp_command_argument available after all SMTP commands. This means
1916 that in an ACL for RCPT (for example), you can examine exactly what was
1917 received.
1918
5dd9625b
PH
1919PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
1920 commands, but it was not correctly comparing the address with the actual
1921 client host address. Thus, it would show the EHLO address in Received:
1922 header lines when this was not necessary.
1923
5591031b
PH
1924PH/27 Added the % operator to ${eval:}.
1925
ba18e66a
PH
1926PH/28 Exim tries to create and chdir to its spool directory when it starts;
1927 it should be ignoring failures (because with -C, for example, it has lost
1928 privilege). It wasn't ignoring creation failures other than "already
1929 exists".
1930
9cec981f
PH
1931PH/29 Added "crypteq" to the list of supported features that Exim outputs when
1932 -bV or -d is used.
1933
aa2b5c79
PH
1934PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
1935 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
1936 too many continuations, the temporary file was not being removed, and the
1937 return code was incorrect.
aa2b5c79 1938
48a53b7f
PH
1939PH/31 Missing "BOOL" in function definition in filtertest.c.
1940
1c59d63b
PH
1941PH/32 Applied Sieve patches from the maintainer.
1942
671012da
TK
1943TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
1944
1509d3a8
PH
1945PH/33 Added "verify = not_blind".
1946
1947PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
1948 Local/Makefile (with some defaults set). These are used in built scripts
1949 such as exicyclog, but they have never been used in the exim_install
1950 script (though there are many overriding facilities there). I have
1951 arranged that the exim_install script now takes note of these two
1952 settings.
1953
1954PH/35 Installed configuration files for Dragonfly.
1955
2fe1a124
PH
1956PH/36 When a locally submitted message by a trusted user did not contain a
1957 From: header, and the sender address was obtained from -f or from an SMTP
1958 MAIL command, and the trusted user did not use -F to supply a sender
1959 name, $originator_name was incorrectly used when constructing a From:
1960 header. Furthermore, $originator_name was used for submission mode
1961 messages from external hosts without From: headers in a similar way,
1962 which is clearly wrong.
1963
8800895a
PH
1964PH/37 Added control=suppress_local_fixups.
1965
ccfdb010
PH
1966PH/38 When log_selector = +received_sender was set, and the addition of the
1967 sender made the log line's construction buffer exactly full, or one byte
1968 less than full, an overflow happened when the terminating "\n" was
1969 subsequently added.
1970
1130bfb0
PH
1971PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
1972 when the result of a list match is failure because a DNS lookup failed.
1973
ebcb507f
PH
1974PH/40 RM_COMMAND is now used in the building process.
1975
c35e155c
PH
1976PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
1977 the "build-* directories that it finds.
1978
95d1f782
PH
1979PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
1980 address in a domain literal was a prefix of an interface address.
1981
fd6de02e
PH
1982PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
1983 when verifying a sender address, unless rewrite_headers is false.
1984
58de37c5
PH
1985PH/44 Wrote a long comment about why errors_to addresses are verified as
1986 recipients, not senders.
1987
261cf466
TF
1988TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
1989 the ratelimit ACL was added.
1990
3ee512ff
PH
1991PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
1992
e08c430f
PH
1993PH/46 Added extra information about PostgreSQL errors to the error string.
1994
bef5a11f
PH
1995PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
1996 avoiding the need to install special zones in a real server. This is
1997 backwards compatible; if it can't find the fake resolver, it drops back.
1998 Thus, both old and new test suites can be run.
1999
7546de58
TF
2000TF/02 Added util/ratelimit.pl
2001
e5d5a95f
TF
2002TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
2003 clock is set back in time.
2004
2e88a017
TF
2005TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
2006 Candler <B.Candler@pobox.com>.
2007
a5f65aa4
TF
2008TF/05 The fix for PH/43 was not completely correct; widen_domains is always
2009 OK for addresses that are the result of redirections.
2010
e7726cbf
PH
2011PH/48 A number of further additions for the benefit of the new test suite,
2012 including a fake gethostbyname() that interfaces to the fake DNS resolver
2013 (see PH/47 above).
2014
a7fdad5b
TF
2015TF/06 The fix for widen_domains has also been applied to qualify_single and
2016 search_parents which are the other dnslookup options that can cause
2017 header rewrites.
2018
6af56900
PH
2019PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
2020 type ("H").
2021
0925ede6
PH
2022PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
2023
66afa403
TF
2024TF/07 Exim produced the error message "an SRV record indicated no SMTP
2025 service" if it encountered an MX record with an empty target hostname.
2026 The message is now "an MX or SRV record indicated no SMTP service".
2027
0154e85a
TF
2028TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
2029 if the DNS of the sending site is misconfigured. This is quite a
2030 common situation. This change restores the behaviour of treating a
2031 helo verification defer as a failure.
2032
16f12c76
PH
2033PH/51 If self=fail was set on a router, the bounce message did not include the
2034 actual error message.
2035
bbe902f0 2036
e5a9dba6
PH
2037Exim version 4.52
2038-----------------
2039
2040TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
2041
22c3b60b
PH
2042PH/01 When a transport filter timed out in a pipe delivery, and the pipe
2043 command itself ended in error, the underlying message about the transport
2044 filter timeout was being overwritten with the pipe command error. Now the
2045 underlying error message should be appended to the second error message.
2046
06a9b4b5
PH
2047TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2048
c1ac6996
PH
2049PH/02 Reduce the amount of output that "make" produces by default. Full output
2050 can still be requested.
2051
9c7a242c
PH
2052PH/03 The warning log line about a condition test deferring for a "warn" verb
2053 was being output only once per connection, rather than after each
2054 occurrence (because it was using the same function as for successful
2055 "warn" verbs). This seems wrong, so I have changed it.
2056
87ba3f5f
PH
2057TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2058 it should not have, which might have caused a crash in the right
2059 circumstances, but probably never did.
2060
2061PH/04 Installed a modified version of Tony Finch's patch to make submission
2062 mode fix the return path as well as the Sender: header line, and to
2063 add a /name= option so that you can make the user's friendly name appear
2064 in the header line.
2065
29aba418
TF
2066TF/03 Added the control = fakedefer ACL modifier.
2067
fe0dab11
TF
2068TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2069 Mark Lowes for thorough testing.
870f6ba8 2070
11d337a4
TK
2071TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2072
2073TK/03 Merged latest SRS patch from Miles Wilton.
2074
415c8f3b
PH
2075PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2076 with the definition in sysexits.h (which is #included earlier).
2077 Fortunately, Exim does not actually use EX_OK. The code used to try to
2078 preserve the sysexits.h value, by assumimg that macro definitions were
2079 scanned for macro replacements. I have been disabused of this notion,
2080 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2081
958541e9
PH
2082PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2083 in the smtp transport. When a block could not be written in a single
2084 write() function, the timeout was being re-applied to each part-write.
2085 This seems wrong - if the receiver was accepting one byte at a time it
2086 would take for ever. The timeout is now adjusted when this happens. It
2087 doesn't have to be particularly precise.
2088
c206415f
TK
2089TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2090 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2091
2a4be8f9
PH
2092PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2093 without a domain if the check to <postmaster@domain> fails.
2094
1cba11c5
SC
2095SC/01 Eximstats: added -xls and the ability to specify output files
2096 (patch written by Frank Heydlauf).
2097
2098SC/02 Eximstats: use FileHandles for outputing results.
2099
2100SC/03 Eximstats: allow any combination of xls, txt, and html output.
2101
2102SC/04 Eximstats: fixed display of large numbers with -nvr option
2103
2104SC/05 Eximstats: fixed merging of reports with empty tables.
2105
2106SC/06 Eximstats: added the -include_original_destination flag
2107
2108SC/07 Eximstats: removed tabs and trailing whitespace.
2109
1005d00e
TK
2110TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2111
2112TK/06 MBOX spool code: Add real "From " MBOX separator line
2113 so the .eml file is really in mbox format (even though
2114 most programs do not really care). Patch from Alex Miller.
2115
2116TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2117 The latter is generated from $received_to and is only set if the
2118 message has one envelope recipient. SA can use these headers,
2119 obviously out-of-the-box. Patch from Alex Miller.
2120
9b4768fa
PH
2121PH/08 The ${def test on a variable was returning false if the variable's
2122 value was "0", contrary to what the specification has always said!
2123 The result should be true unless the variable is empty.
2124
2125PH/09 The syntax error of a character other than { following "${if
2126 def:variable_name" (after optional whitespace) was not being diagnosed.
2127 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2128 accidental colon was present, for example, could give incorrect results.
2129
0d7eb84a
PH
2130PH/10 Tidied the code in a number of places where the st_size field of a stat()
2131 result is used (not including appendfile, where other changes are about
2132 to be made).
2133
2134PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2135 This involved changing a lot of size variables from int to off_t. It
2136 should work with maildirs and everything.
2137
40727bee
TK
2138TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2139 spamd dying while we are connected to it.
2140
554d2369
TF
2141TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2142 <jgh@wizmail.org>
2143
1f922db1
PH
2144PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2145 function for BDB 4.3.
2146
ef213c3b
PH
2147PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2148
8ac170f3
PH
2149PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2150 the sources for PCRE have been re-arranged and more files are now
2151 involved.
2152
b1c749bb
PH
2153PH/15 The code I had for printing potentially long long variables in PH/11
2154 above was not the best (it lost precision). The length of off_t variables
2155 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2156 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2157 to be "long long int" or "long int". This is needed for the internal
2158 formatting function string_vformat().
b1c749bb 2159
4aac9b49
PH
2160PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2161 the configuration file to be ":syslog", then the script "guesses" where
2162 the logs files are, rather than using the compiled in default. In our
2163 case the guess is not the same as the compiled default, so the script
2164 suddenly stopped working when I started to use syslog. The patch checks
2165 to see if log_file_path is "". If so, it attempts to read it from exim
2166 with no configuration file to get the compiled in version, before it
2167 falls back to the previous guessing code."
2168
294520c8
TK
2169TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2170 implementing BATV in an Exim configuration. See NewStuff for the gory
2171 details.
2172
5bd022fe
PH
2173PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2174 Makefile that are specific to HP-UX.
2175
90e9ce59
PH
2176PH/18 If the "use_postmaster" option was set for a recipient callout together
2177 with the "random" option, the postmaster address was used as the MAIL
2178 FROM address for the random test, but not for the subsequent recipient
2179 test. It is now used for both.
2180
5ea81592
PH
2181PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2182 patch removes a few documentation additions to RFC 3028, because the
2183 latest draft now contains them. It adds the new en;ascii-case comparator
2184 and a new error check for 8bit text in MIME parts. Comparator and
2185 require names are now matched exactly. I enabled the subaddress
2186 extension, but it is not well tested yet (read: it works for me)."
2187
c6c2dc1d
PH
2188PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2189 rework some of the code of TK/09 above to avoid the hardwired use of
2190 "%lld" and "long long". Replaced the call to snprintf() with a call to
2191 string_vformat().
2192
fffffe4c
PH
2193PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2194 records point to non-existent hosts", "retry timeout exceeded", and
2195 "retry time not reached for any host after a long failure period".
ca02eafb 2196
9a26b6b2
PH
2197PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2198 experimental DomainKeys support:
2199
2200 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2201 (2) On an error such as an illegally used "control", the wrong name for
2202 the control was given.
2203
2204 These problems did NOT occur unless DomainKeys support was compiled.
2205
4aee0225
PH
2206PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2207
32d668a5
PH
2208PH/24 Added ${if match_ip condition.
2209
8187c3f3
PH
2210PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2211 databases so that it will be absolutely obvious if a crash occurs in the
2212 DB library. This is a regular occurrence (often caused by mis-matched
2213 db.h files).
2214
ff790e47 2215PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2216 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2217 picked up on a user's system that detects such things. There doesn't seem
2218 to be a gcc warning option for this - only an attribute that has to be
2219 put on the function's prototype. It seems that in Fedora Core 4 they have
2220 set this on a number of new functions. No doubt there will be more in due
2221 course.
ff790e47 2222
5417f6d1
PH
2223PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2224 specify a transport. However, if an address that was verified by such a
2225 router was the subject of a callout, Exim crashed because it tried to
2226 read the rcpt_include_affixes from the non-existent transport. Now it
2227 just assumes that the setting of that option is false. This bug was
2228 introduced by 4.51/PH/31.
2229
59cf8544
PH
2230PH/28 Changed -d+all to exclude +memory, because that information is very
2231 rarely of interest, but it makes the output a lot bigger. People tend to
2232 do -d+all out of habit.
2233
e7ad8a65
PH
2234PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2235 code in os-type was giving problems when libc.so lives in lib64, like on
2236 x86_64 Fedora Core.
2237
ade42478
PH
2238PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2239 aren't the modern standard, and it seems that some systems' include files
2240 don't always have them. Exim was already checking for some of the newer
2241 ones like T_AAAA, and defining it itself. I've added checks for all the
2242 record types that Exim uses.
2243
182ad5cf
PH
2244PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2245 not automatically generating a new one, as it is supposed to. This
2246 prevented TLS from working. If the file did exist, but contained invalid
2247 data, a new version was generated, as expected. It was only the case of a
2248 non-existent file that was broken.
2249
b0d9fc80
TK
2250TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2251 with a change in libdomainkeys > 0.64.
2252
2253TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2254 from DNS. If the selector record carries the flag, it now has
2255 precedence over the domain-wide flag.
2256
2257TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2258
47c7a64a
PH
2259PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2260 the use of a port name that isn't defined in /etc/services) occurred, the
2261 message was deferred as in a normal delivery, and thus remained on the
2262 spool, instead of being failed because of the mua_wrapper setting. This
2263 is now fixed, and I tidied up some of the mua_wrapper messages at the
2264 same time.
2265
a388bce4
SC
2266SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2267 the messages in a hash of arrays rather than using individual hashes.
2268 This is a bit cleaner and results in dramatic memory savings, albeit
2269 at a slight CPU cost.
2270
2271SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2272 as requested by Marc Sherman.
2273
2274SC/10 Eximstats: added histograms for user specified patterns as requested
2275 by Marc Sherman.
2276
0793e4ed
SC
2277SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2278
c58b88df
PH
2279PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2280 fopen() in the content-scanning modules that did not already have it.
2281
e7ad8a65 2282
7982096b
PH
2283Exim version 4.51
2284-----------------
2285
1a46a8c5
PH
2286TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2287 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2288
2f079f46 2289TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2290
2291TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2292
2293PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2294 to test Sieve filters that use "vacation".
2295
2296PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2297 that changes the way the GnuTLS parameters are stored in the cache file.
2298 The new format can be generated externally. For backward compatibility,
2299 if the data in the cache doesn't make sense, Exim assumes it has read an
2300 old-format file, and it generates new data and writes a new file. This
2301 means that you can't go back to an older release without removing the
2302 file.
2303
2304PH/03 A redirect router that has both "unseen" and "one_time" set does not
2305 work if there are any delivery delays because "one_time" forces the
2306 parent to be marked "delivered", so its unseen clone is never tried
2307 again. For this reason, Exim now forbids the simultaneous setting of
2308 these two options.
2309
2310PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2311 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2312 entry if you want to know the details. The fix, however, neglected to
2313 consider the case when local delivery batching is involved. The test for
2314 "previously delivered" was not happening when checking to see if an
2315 address could be batched with a previous (undelivered) one; under
2316 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2317 address.
1a46a8c5
PH
2318
2319PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2320 in its include files, and this causes problems building Exim.
2321
2322PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2323 header_syntax) but Exim was just ignoring anything given after a slash.
2324 In particular, this caused confusion with an attempt to use "verify =
2325 reverse_host_lookup/defer_ok". An error is now given when options are
2326 supplied for verify items that do not have them. (Maybe reverse_host_
2327 lookup should have a defer_ok option, but that's a different point.)
2328
2329PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2330 defined by RFC 821) to 2048, because there were problems with some AUTH
2331 commands, and RFC 1869 says the size should be increased for extended
2332 SMTP commands that take arguments.
2333
2334PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2335 Finch).
2336
2337PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2338 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2339
49c2d5ea
PH
2340PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2341 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2342 whatever). Otherwise the password may appear in the log. Following change
2343 PH/42 below, there is no longer a chance of it appearing in a bounce
2344 message.
49c2d5ea 2345
bf759a8b
PH
2346PH/11 Installed exipick version 20050225.0 from John Jetmore.
2347
83364d30
PH
2348PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2349 of its addresses was ever tried. (Bugzilla bug #2.)
2350
7999bbd7
PH
2351PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2352 the result incorrectly in the debug output. (It correctly added a newline
2353 to what was transported.)
2354
7dbf77c9
PH
2355TF/01 Added $received_time.
2356
74e0617f
PH
2357PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2358 commented out examples of how to interface to a virus scanner and to
2359 SpamAssassin. Also added commented examples of av_scanner and
2360 spamd_address settings.
2361
2f079f46
PH
2362PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2363 and controls are allowed in which ACLs. There were a couple of minor
2364 errors. Some of the entries in the conditions table (which is a table of
2365 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2366 negation of where the condition IS allowed.
2367
8c841523
PH
2368PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2369
7766a4f0
PH
2370PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2371 header file does not have a version number, so I've had to invent a new
2372 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2373 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2374 radiusclient), but it was contributed by a Radius user.
2375
8b417f2c
PH
2376PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2377 files or directories, for OpenSSL.
2378
901f42cb
PH
2379PH/19 When an Exim process that is running as root has to create an Exim log
2380 file, it does so in a subprocess that runs as exim:exim so as to get the
2381 ownership right at creation (otherwise, other Exim processes might see
2382 the file with the wrong ownership). There was no test for failure of this
2383 fork() call, which would lead to the process getting stuck as it waited
2384 for a non-existent subprocess. Forks do occasionally fail when resources
2385 run out. I reviewed all the other calls to fork(); they all seem to check
2386 for failure.
2387
f9b9210e
PH
2388PH/20 When checking for unexpected SMTP input at connect time (before writing
2389 the banner), Exim was not dealing correctly with a non-positive return
2390 from the read() function. If the client had disconnected by this time,
2391 the result was a log entry for a synchronization error with an empty
2392 string after "input=" when read() returned zero. If read() returned -1
2393 (an event I could not check), uninitialized data bytes were printed.
2394 There were reports of junk text (parts of files, etc) appearing after
2395 "input=".
2396
54cdb463
PH
2397PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2398
cf00dad6
PH
2399PH/22 Added support for macro redefinition, and (re)definition in between
2400 driver and ACL definitions.
2401
acb1b346
PH
2402PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2403 forgetting to use the resulting value; it was using the unexpanded value.
2404
c5ddb310
PH
2405PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2406 hadn't been configured. The fix is from Juergen Kreileder, who
2407 understands it better than I do:
2408
2409 "Here's what I see happening with three configured cyrus_sasl
2410 authenticators configured (plain, login, cram-md5):
2411
2412 On startup auth_cyrus_sasl_init() gets called for each of these.
2413 This means three calls to sasl_listmech() without a specified mech_list.
2414 => SASL tests which mechs of all available mechs actually work
2415 => three warnings about OTP not working
2416 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2417
2418 With the patch, sasl_listmech() also gets called three times. But now
2419 SASL's mech_list option is set to the server_mech specified in the the
2420 authenticator. Or in other words, the answer from sasl_listmech()
2421 gets limited to just the mech you're testing for (which is different
2422 for each call.)
2423 => the return list contains just 'plain' or 'login', 'cram-md5' or
2424 nothing depending on the value of ob->server_mech.
2425
2426 I've just tested the patch: Authentication still works fine,
2427 unavailable mechs specified in the exim configuration are still
2428 caught, and the auth.log warnings about OTP are gone."
2429
31619da6
PH
2430PH/25 When debugging is enabled, the contents of the command line are added
2431 to the debugging output, even when log_selector=+arguments is not
2432 specified.
2433
bebaf0fc
PH
2434PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2435 answer is "GNU", and only if the return is "GNU/something" is the answer
2436 "Linux".
2437
475fe28a
PH
2438PH/27 $acl_verify_message is now set immediately after the failure of a
2439 verification in an ACL, and so is available in subsequent modifiers. In
2440 particular, the message can be preserved by coding like this:
2441
2442 warn !verify = sender
2443 set acl_m0 = $acl_verify_message
2444
2445 Previously, $acl_verify_message was set only while expanding "message"
2446 and "log_message" when a very denied access.
2447
7e8bec7a
PH
2448PH/28 Modified OS/os.c-Linux with
2449
2450 -#ifndef OS_LOAD_AVERAGE
2451 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2452
2453 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2454 nomenclature these days.)
2455
e4a89c47
PH
2456PH/29 Installed patch from the Sieve maintainer that adds the options
2457 sieve_useraddress and sieve_subaddress to the redirect router.
2458
5ca2a9a1
PH
2459PH/30 In these circumstances:
2460 . Two addresses routed to the same list of hosts;
2461 . First host does not offer TLS;
2462 . First host accepts first address;
2463 . First host gives temporary error to second address;
2464 . Second host offers TLS and a TLS session is established;
2465 . Second host accepts second address.
2466 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2467 and peerdn, if requested) that were in fact used only for the second
2468 address.
7e8bec7a 2469
c688b954
PH
2470PH/31 When doing a callout as part of verifying an address, Exim was not paying
2471 attention to any local part prefix or suffix that was matched by the
2472 router that accepted the address. It now behaves in the same way as it
2473 does for delivery: the affixes are removed from the local part unless
2474 rcpt_include_affixes is set on the transport.
2475
fed77020
PH
2476PH/32 Add the sender address, as F=<...>, to the log line when logging a
2477 timeout during the DATA phase of an incoming message.
2478
7fe1560f
PH
2479PH/33 Sieve envelope tests were broken for match types other than :is. I have
2480 applied a patch sanctioned by the Sieve maintainer.
c688b954 2481
ebb6e6d5
PH
2482PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2483 the uid or gid is negative. A case of a negative gid caused this to be
2484 noticed. The fix allows for either to be negative.
2485
9c4e8f60
PH
2486PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2487 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2488 overlooked.
2489
2490PH/36 The change PH/12 above was broken. Fixed it.
2491
d7174846
PH
2492PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2493 the grounds that routing the same address twice would always produce the
2494 same answer. This might have been true once, but it is certainly no
2495 longer true now. Routing a child address may depend on the previous
2496 routing that produced that child. Some complicated redirection strategies
2497 went wrong when messages had multiple recipients, and made Exim's
2498 behaviour dependent on the order in which the addresses were given.
2499
2500 I have moved the duplicate checking until after the routing is complete.
2501 Exim scans the addresses that are assigned to local and remote
2502 transports, and removes any duplicates. This means that more work will be
2503 done, as duplicates will always all be routed, but duplicates are
2504 presumably rare, so I don't expect this is of any significance.
2505
2506 For deliveries to pipes, files, and autoreplies, the duplicate checking
2507 still happens during the routing process, since they are not going to be
2508 routed further.
2509
cfe75fc3
PH
2510PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2511 It corrects a timeout issue with spamd. This is Ian's comment: "The
2512 background is that sometimes spamd either never reads data from a
2513 connection it has accepted, or it never writes response data. The exiscan
2514 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2515 blindly assumes that writes won't block so it may never time out."
2516
be22d70e
PH
2517PH/39 Allow G after quota size as well as K and M.
2518
0612b098
PH
2519PH/40 The value set for $authenticated_id in an authenticator may not contain
2520 binary zeroes or newlines because the value is written to log lines and
2521 to spool files. There was no check on this. Now the value is run through
2522 the string_printing() function so that such characters are converted to
2523 printable escape sequences.
2524
2e0c1448
PH
2525PH/41 $message_linecount is a new variable that contains the total number of
2526 lines in the message. Compare $body_linecount, which is the count for the
2527 body only.
2528
447d236c
PH
2529PH/42 Exim no longer gives details of delivery errors for specific addresses in
2530 bounce and delay warning messages, except in certain special cases, which
2531 are as follows:
2532
2533 (a) An SMTP error message from a remote host;
2534 (b) A message specified in a :fail: redirection;
2535 (c) A message specified in a "fail" command in a system filter;
2536 (d) A message specified in a FAIL return from the queryprogram router;
2537 (e) A message specified by the cannot_route_message router option.
2538
2539 In these cases only, Exim does include the error details in bounce and
2540 warning messages. There are also a few cases where bland messages such
2541 as "unrouteable address" or "local delivery error" are given.
2542
d20976dc
PH
2543PH/43 $value is now also set for the "else" part of a ${run expansion.
2544
f656d135
PH
2545PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2546 being worked on, but at least Exim now implements the latest version to
2547 play with."
2548
2e2a30b4
PH
2549PH/45 In a pipe transport, although a timeout while waiting for the pipe
2550 process to complete was treated as a delivery failure, a timeout while
2551 writing the message to the pipe was logged, but erroneously treated as a
2552 successful delivery. Such timeouts include transport filter timeouts. For
2553 consistency with the overall process timeout, these timeouts are now
2554 treated as errors, giving rise to delivery failures by default. However,
2555 there is now a new Boolean option for the pipe transport called
2556 timeout_defer, which, if set TRUE, converts the failures into defers for
2557 both kinds of timeout. A transport filter timeout is now identified in
2558 the log output.
2559
9176e9f0
PH
2560PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2561 systems where "make" and "gmake" are different, calling "gmake" at top
2562 level broke things. I've arranged for the value of $(MAKE) to be passed
2563 from the Makefile to this script so that it can call the same version of
2564 "make".
2565
7982096b 2566
bbe902f0
PH
2567A note about Exim versions 4.44 and 4.50
2568----------------------------------------
2569
2570Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2571changes of various kinds. As a consequence, a big documentation update was
2572needed. This delayed the release for rather longer than seemed good, especially
2573in the light of a couple of (minor) security issues. Therefore, the changes
2574that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2575release. So 4.44 and 4.50 are in effect two different branches that both start
2576from 4.43.
2577
2578I have left the 4.50 change log unchanged; it contains all the changes since
25794.43. The change log for 4.44 is below; many of its items are identical to
2580those for 4.50. This seems to be the most sensible way to preserve the
2581historical information.
2582
2583
f7b63901 2584Exim version 4.50
495ae4b0
PH
2585-----------------
2586
5fe762f6
PH
2587 1. Minor wording change to the doc/README.SIEVE file.
2588
139059f6 2589 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2590 computation of the current number of files was incorrect.
495ae4b0 2591
7086e875
PH
2592 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2593 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2594 place.
2595
35af9f61
PH
2596 4. Give more explanation in the error message when the command for a transport
2597 filter fails to execute.
2598
b668c215
PH
2599 5. There are several places where Exim runs a non-Exim command in a
2600 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2601 was being done only for the command run by the queryprogram router. It is
2602 now done for all such subprocesses. The other cases are: ${run, transport
2603 filters, and the commands run by the lmtp and pipe transports.
2604
a494b1e1
PH
2605 6. Added CONFIGURE_GROUP build-time option.
2606
2607 7. Some older OS have a limit of 256 on the maximum number of file
2608 descriptors. Exim was using setrlimit() to set 1000 as a large value
2609 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2610 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2611
c5fcb476
PH
2612 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2613 was an oversight, and furthermore, ever since the addition of extra
2614 controls (e.g. 4.43/32), the checks on when to allow different forms of
2615 "control" were broken. There should now be diagnostics for all cases when a
2616 control that does not make sense is encountered.
2617
69358f02
PH
2618 9. Added the /retain_sender option to "control=submission".
2619
5be20824
PH
262010. $recipients is now available in the predata ACL (oversight).
2621
eb2c0248
PH
262211. Tidy the search cache before the fork to do a delivery from a message
2623 received from the command line. Otherwise the child will trigger a lookup
2624 failure and thereby defer the delivery if it tries to use (for example) a
2625 cached ldap connection that the parent has called unbind on.
2626
2a3eea10
PH
262712. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2628 of $address_data from the recipient verification was clobbered by the
2629 sender verification.
2630
263113. The value of address_data from a sender verification is now available in
2632 $sender_address_data in subsequent conditions in the ACL statement.
2633
23c7ff99
PH
263414. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2635
4deaf07d
PH
263615. Added a new option "connect=<time>" to callout options, to set a different
2637 connection timeout.
2638
926e1192
PH
263916. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2640 was its contents. (It was OK if the option was not defined at all.)
2641
650edc6f
PH
264217. A "Completed" log line is now written for messages that are removed from
2643 the spool by the -Mrm option.
2644
2c7db3f5
PH
264518. New variables $sender_verify_failure and $recipient_verify_failure contain
2646 information about exactly what failed.
2647
3d235903
PH
264819. Added -dd to debug only the daemon process.
2649
7c7ad977
PH
265020. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2651 handles timeouts, both on the server side and network timeouts. Renamed the
2652 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2653
981756db
PH
265421. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2655 It is now set to "smtps".
2656
d4eb88df
PH
265722. $host_address is now set to the target address during the checking of
2658 ignore_target_hosts.
2659
266023. When checking ignore_target_hosts for an ipliteral router, no host name was
2661 being passed; this would have caused $sender_host_name to have been used if
2662 matching the list had actually called for a host name (not very likely,
2663 since this list is usually IP addresses). A host name is now passed as
2664 "[x.x.x.x]".
2665
7d468ab8
PH
266624. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2667 code that specifies a non-restarting handler (typically sigaction() in
2668 modern systems) in an attempt to fix a rare and obscure crash bug.
2669
267025. Narrowed the window for a race in the daemon that could cause it to ignore
2671 SIGCHLD signals. This is not a major problem, because they are used only to
2672 wake it up if nothing else does.
2673
62c0818f
PH
267426. A malformed maildirsize file could cause Exim to calculate negative values
2675 for the mailbox size or file count. Odd effects could occur as a result.
2676 The maildirsize information is now recalculated if the size or filecount
2677 end up negative.
2678
26034054
PH
267927. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2680 support for a long time. Removed HAVE_SYS_VFS_H.
2681
af66f652
PH
268228. Installed the latest version of exipick from John Jetmore.
2683
90af77f4
PH
268429. In an address list, if the pattern was not a regular expression, an empty
2685 subject address (from a bounce message) matched only if the pattern was an
2686 empty string. Non-empty patterns were not even tested. This was the wrong
2687 because it is perfectly reasonable to use an empty address as part of a
2688 database query. An empty address is now tested by patterns that are
2689 lookups. However, all the other forms of pattern expect the subject to
2690 contain a local part and a domain, and therefore, for them, an empty
2691 address still always fails if the pattern is not itself empty.
2692
d8ef3577
PH
269330. Exim went into a mad DNS loop when attempting to do a callout where the
2694 host was specified on an smtp transport, and looking it up yielded more
2695 than one IP address.
2696
5cb8cbc6
PH
269731. Re-factored the code for checking spool and log partition space into a
2698 function that finds that data and another that does the check. The former
2699 is then used to implement four new variables: $spool_space, $log_space,
2700 $spool_inodes, and $log_inodes.
2701
14702f5b
PH
270232. The RFC2047 encoding function was originally intended for short strings
2703 such as real names; it was not keeping to the 75-character limit for
2704 encoded words that the RFC imposes. It now respects the limit, and
2705 generates multiple encoded words if necessary. To be on the safe side, I
2706 have increased the buffer size for the ${rfc2047: expansion operator from
2707 1024 to 2048 bytes.
2708
063b1e99
PH
270933. It is now permitted to omit both strings after an "if" condition; if the
2710 condition is true, the result is "true". As before, when the second string
2711 is omitted, a false condition yields an empty string. This makes it less
2712 cumbersome to write custom ACL and router conditions.
2713
652e1b65
PH
271434. Failure to deliver a bounce message always caused it to be frozen, even if
2715 there was an errors_to setting on the router. The errors_to setting is now
2716 respected.
2717
6f0c9a4f
PH
271835. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2719 canonical form (fully expanded) before being placed in
2720 $sender_host_address.
2721
33397d19
PH
272236. The table in the code that translates DNS record types into text (T_A to
2723 "A" for instance) was missing entries for NS and CNAME. It is just possible
2724 that this could have caused confusion if both these types were looked up
2725 for the same domain, because the text type is used as part of Exim's
2726 per-process caching. But the chance of anyone hitting this buglet seems
2727 very small.
2728
7bb56e1f
PH
272937. The dnsdb lookup has been extended in a number of ways.
2730
2731 (1) There is a new type, "zns", which walks up the domain tree until it
2732 finds some nameserver records. It should be used with care.
2733
ea3bc19b
PH
2734 (2) There is a new type, "mxh", which is like "mx" except that it returns
2735 just the host names, not the priorities.
2736
2737 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2738 looked up. The behaviour when one of the lookups defers can be
2739 controlled by a keyword.
7bb56e1f 2740
ea3bc19b 2741 (4) It is now possible to specify the separator character for use when
7bb56e1f 2742 multiple records are returned.
33397d19 2743
0bcb2a0e
PH
274438. The dnslists ACL condition has been extended: it is now possible to supply
2745 a list of IP addresses and/or domains to be looked up in a particular DNS
2746 domain.
2747
2ac0e484
PH
274839. Added log_selector=+queue_time_overall.
2749
4e1fde53
PH
275040. When running the queue in the test harness, wait just a tad after forking a
2751 delivery process, to get repeatability of debugging output.
2752
de365ded
PH
275341. Include certificate and key file names in error message when GnuTLS fails
2754 to set them up, because the GnuTLS error message doesn't include the name
2755 of the failing file when there is a problem reading it.
2756
f05da2e8
PH
275742. Allow both -bf and -bF in the same test run.
2758
d6453af2
PH
275943. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2760
f7b63901
PH
276144. The "Exiscan patch" is now merged into the mainline Exim source.
2762
276345. Sometimes the final signoff response after QUIT could fail to get
2764 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2765 < 0 before doing a fflush(). This bug looks as though it goes back to the
2766 introduction of TLS in release 3.20, but "sometimes" must have been rare
2767 because the tests only now provoked it.
2768
a444213a
PH
276946. Reset the locale to "C" after calling embedded Perl, in case it was changed
2770 (this can affect the format of dates).
2771
0ec020ea
PH
277247. exim_tidydb, when checking for the continued existence of a message for
2773 which it has found a message-specific retry record, was not finding
2774 messages that were in split spool directories. Consequently, it was
2775 deleting retry records that should have stayed in existence.
2776
b1206957
PH
277748. Steve fixed some bugs in eximstats.
2778
277949. The SPA authentication driver was not abandoning authentication and moving
2780 on to the next authenticator when an expansion was forced to fail,
2781 contradicting the general specification for all authenticators. Instead it
2782 was generating a temporary error. It now behaves as specified.
2783
26dd5a95
PH
278450. The default ordering of permitted cipher suites for GnuTLS was pessimal
2785 (the order specifies the preference for clients). The order is now AES256,
2786 AES128, 3DES, ARCFOUR128.
2787
343b2385
PH
278851. Small patch to Sieve code - explicitly set From: when generating an
2789 autoreply.
2790
1c5466b9
PH
279152. Exim crashed if a remote delivery caused a very long error message to be
2792 recorded - for instance if somebody sent an entire SpamAssassin report back
2793 as a large number of 550 error lines. This bug was coincidentally fixed by
2794 increasing the size of one of Exim's internal buffers (big_buffer) that
2795 happened as part of the Exiscan merge. However, to be on the safe side, I
2796 have made the code more robust (and fixed the comments that describe what
2797 is going on).
2798
55ee9ee3
PH
279953. Now that there can be additional text after "Completed" in log lines (if
2800 the queue_time_overall log selector is set), a one-byte patch to exigrep
2801 was needed to allow it to recognize "Completed" as not the last thing in
2802 the line.
2803
d38f8232
PH
280454. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2805 patch that reportedly fixes this has been added. I am not expert enough to
2806 create a test for it. This is what the patch creator wrote:
2807
2808 "I found a little strange behaviour of ldap code when working with
2809 Windows 2003 AD Domain, where users was placed in more than one
2810 Organization Units. When I tried to give exim partial DN, the exit code
2811 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2812 But simultaneously result of request was absolutely normal ldap result,
2813 so I produce this patch..."
2814
3295e65b
PH
2815 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2816 REFERENCE, so I have modified the code to exclude the patch when that macro
2817 is not defined.
2818
7102e136
PH
281955. Some experimental protocols are using DNS PTR records for new purposes. The
2820 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2821 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2822 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2823 CAN-2005-0021
7102e136 2824
3ca0ba97
PH
282556. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2826
c2bcbe20
PH
282757. Double the size of the debug message buffer (to 2048) so that more of very
2828 long debug lines gets shown.
2829
18ce445d
PH
283058. The exicyclog utility now does better if the number of log files to keep
2831 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2832
1f5b4c3d
PH
283359. Two changes related to the smtp_active_hostname option:
2834
2835 (1) $smtp_active_hostname is now available as a variable.
2836 (2) The default for smtp_banner uses $smtp_active_hostname instead
2837 of $primary_hostname.
2838
b975ba52
PH
283960. The host_aton() function is supposed to be passed a string that is known
2840 to be a valid IP address. However, in the case of IPv6 addresses, it was
2841 not checking this. This is a hostage to fortune. Exim now panics and dies
2842 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
2843 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2844 components; fortuitously, this particular loophole had already been fixed
2845 by change 4.50/55 above.
2846
2847 If there are any other similar loopholes, the new check in host_aton()
2848 itself should stop them being exploited. The report I received stated that
2849 data on the command line could provoke the exploit when Exim was running as
2850 exim, but did not say which command line option was involved. All I could
2851 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2852 running as the user.
ea3a6f44 2853 CAN-2005-0021
85b87bc2
PH
2854
285561. There was a buffer overflow vulnerability in the SPA authentication code
2856 (which came originally from the Samba project). I have added a test to the
2857 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 2858 CAN-2005-0022
b975ba52 2859
17ffcae7
PH
286062. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
2861 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
2862
d95f9fdb
PH
286363. The daemon start-up calls getloadavg() while still root for those OS that
2864 need the first call to be done as root, but it missed one case: when
2865 deliver_queue_load_max is set with deliver_drop_privilege. This is
2866 necessary for the benefit of the queue runner, because there is no re-exec
2867 when deliver_drop_privilege is set.
2868
86b8287f
PH
286964. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
2870 This has been fixed.
2871
60dc5e56
PH
287265. Caching of lookup data for "hosts =" ACL conditions, when a named host list
2873 was in use, was not putting the data itself into the right store pool;
2874 consequently, it could be overwritten for a subsequent message in the same
2875 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
2876 the caching.)
2877
533244af
PH
287866. Added hosts_max_try_hardlimit to the smtp transport, default 50.
2879
a5a28604
PH
288067. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
2881 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
2882 the function were treating the return as a boolean value, which happened to
2883 work because 0=false and not-0=true, but is not correct code.
2884
7e634d24
PH
288568. The host_aton() function was not handling scoped IPv6 addresses (those
2886 with, for example, "%eth0" on the end) correctly.
2887
3e11c26b
PH
288869. Fixed some compiler warnings in acl.c for the bitmaps specified with
2889 negated items (that is, ~something) in unsigned ints. Some compilers
2890 apparently mutter when there is no cast.
2891
6729cf78
PH
289270. If an address verification called from an ACL failed, and did not produce a
2893 user-specific message (i.e. there was only a "system" message), nothing was
2894 put in $acl_verify_message. In this situation, it now puts the system
2895 message there.
2896
00f00ca5
PH
289771. Change 4.23/11 added synchronization checking at the start of an SMTP
2898 session; change 4.31/43 added the unwanted input to the log line - except
2899 that it did not do this in the start of session case. It now does.
2900
c9bdd01c
PH
290172. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
2902 This is wrong and can cause the other end to generate a synchronization
2903 error if it is another Exim or anything else that does the synchronization
2904 check. A QUIT command is no longer sent after a timeout.
2905
d43194df
PH
290673. $host_lookup_deferred has been added, to make it easier to detect DEFERs
2907 during host lookups.
2908
fe5b5d0b
PH
290974. The defer_ok option of callout verification was not working if it was used
2910 when verifying addresses in header lines, that is, for this case:
2911
2912 verify = header_sender/callout=defer_ok
2913
76a2d7ba
PH
291475. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
2915 those file descriptors could be used for SMTP connections. If anything
2916 wrote to stderr (the example that came up was "warn" in embedded Perl), it
2917 could be sent to the SMTP client, causing chaos. The daemon now opens
2918 stdin, stdout, and stderr to /dev/null when it puts itself into the
2919 background.
2920
292176. Arrange for output from Perl's "warn" command to be written to Exim's main
2922 log by default. The user can override this with suitable Perl magic.
2923
04f7d5b9
PH
292477. The use of log_message on a "discard" ACL verb, which is supposed to add to
2925 the log message when discard triggers, was not working for the DATA ACL or
2926 for the non-SMTP ACL.
2927
bc60667e
PH
292878. Error message wording change in sieve.c.
2929
bb6e88ff
PH
293079. If smtp_accept_max_per_host was set, the number of connections could be
2931 restricted to fewer than expected, because the daemon was trying to set up
2932 a new connection before checking whether the processes handling previous
2933 connections had finished. The check for completed processes is now done
2934 earlier. On busy systems, this bug wouldn't be noticed because something
2935 else would have woken the daemon, and it would have reaped the completed
2936 process earlier.
2937
1e70f85b
PH
293880. If a message was submitted locally by a user whose login name contained one
2939 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
2940 It caused a spool format error. I have fixed the spool reading code. A
2941 related problem was that the "from" clause in the Received: line became
2942 illegal because of the space(s). It is now covered by ${quote_local_part.
2943
294481. Included the latest eximstats from Steve (adds average sizes to HTML Top
2945 tables).
2946
4e01f9d6
PH
294782. Updated OS/Makefile-AIX as per message from Mike Meredith.
2948
1ee1cef2
PH
294983. Patch from Sieve maintainer to fix unterminated string problem in
2950 "vacation" handling.
2951
6e2b4ccc
PH
295284. Some minor changes to the Linux configuration files to help with other
2953 OS variants using glibc.
2954
8e669ac1
PH
295585. One more patch for Sieve to update vacation handling to latest spec.
2956
495ae4b0 2957
bbe902f0
PH
2958----------------------------------------------------
2959See the note above about the 4.44 and 4.50 releases.
2960----------------------------------------------------
2961
2962
2963Exim version 4.44
2964-----------------
2965
2966 1. Change 4.43/35 introduced a bug that caused file counts to be
2967 incorrectly computed when quota_filecount was set in an appendfile
2968 transport
2969
2970 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2971 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2972 place.
2973
2974 3. Give more explanation in the error message when the command for a transport
2975 filter fails to execute.
2976
2977 4. There are several places where Exim runs a non-Exim command in a
2978 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2979 was being done only for the command run by the queryprogram router. It is
2980 now done for all such subprocesses. The other cases are: ${run, transport
2981 filters, and the commands run by the lmtp and pipe transports.
2982
2983 5. Some older OS have a limit of 256 on the maximum number of file
2984 descriptors. Exim was using setrlimit() to set 1000 as a large value
2985 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2986 systems. I've change it so that if it can't get 1000, it tries for 256.
2987
2988 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2989 was an oversight, and furthermore, ever since the addition of extra
2990 controls (e.g. 4.43/32), the checks on when to allow different forms of
2991 "control" were broken. There should now be diagnostics for all cases when a
2992 control that does not make sense is encountered.
2993
2994 7. $recipients is now available in the predata ACL (oversight).
2995
2996 8. Tidy the search cache before the fork to do a delivery from a message
2997 received from the command line. Otherwise the child will trigger a lookup
2998 failure and thereby defer the delivery if it tries to use (for example) a
2999 cached ldap connection that the parent has called unbind on.
3000
3001 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
3002 of $address_data from the recipient verification was clobbered by the
3003 sender verification.
3004
300510. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
3006 was its contents. (It was OK if the option was not defined at all.)
3007
300811. A "Completed" log line is now written for messages that are removed from
3009 the spool by the -Mrm option.
3010
301112. $host_address is now set to the target address during the checking of
3012 ignore_target_hosts.
3013
301413. When checking ignore_target_hosts for an ipliteral router, no host name was
3015 being passed; this would have caused $sender_host_name to have been used if
3016 matching the list had actually called for a host name (not very likely,
3017 since this list is usually IP addresses). A host name is now passed as
3018 "[x.x.x.x]".
3019
302014. Changed the calls that set up the SIGCHLD handler in the daemon to use the
3021 code that specifies a non-restarting handler (typically sigaction() in
3022 modern systems) in an attempt to fix a rare and obscure crash bug.
3023
302415. Narrowed the window for a race in the daemon that could cause it to ignore
3025 SIGCHLD signals. This is not a major problem, because they are used only to
3026 wake it up if nothing else does.
3027
302816. A malformed maildirsize file could cause Exim to calculate negative values
3029 for the mailbox size or file count. Odd effects could occur as a result.
3030 The maildirsize information is now recalculated if the size or filecount
3031 end up negative.
3032
303317. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
3034 support for a long time. Removed HAVE_SYS_VFS_H.
3035
ea3a6f44 303618. Updated exipick to current release from John Jetmore.
bbe902f0
PH
3037
303819. Allow an empty sender to be matched against a lookup in an address list.
3039 Previously the only cases considered were a regular expression, or an
3040 empty pattern.
3041
304220. Exim went into a mad DNS lookup loop when doing a callout where the
3043 host was specified on the transport, if the DNS lookup yielded more than
3044 one IP address.
3045
ea3a6f44
NM
304621. The RFC2047 encoding function was originally intended for short strings
3047 such as real names; it was not keeping to the 75-character limit for
3048 encoded words that the RFC imposes. It now respects the limit, and
3049 generates multiple encoded words if necessary. To be on the safe side, I
3050 have increased the buffer size for the ${rfc2047: expansion operator from
3051 1024 to 2048 bytes.
bbe902f0 3052
ea3a6f44
NM
305322. Failure to deliver a bounce message always caused it to be frozen, even if
3054 there was an errors_to setting on the router. The errors_to setting is now
3055 respected.
bbe902f0
PH
3056
305723. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3058 canonical form (fully expanded) before being placed in
3059 $sender_host_address.
3060
306124. Updated eximstats to version 1.33
3062
ea3a6f44
NM
306325. Include certificate and key file names in error message when GnuTLS fails
3064 to set them up, because the GnuTLS error message doesn't include the name
3065 of the failing file when there is a problem reading it.
bbe902f0
PH
3066
306726. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3068 As per change 25.
bbe902f0 3069
ea3a6f44
NM
307027. Reset the locale to "C" after calling embedded Perl, in case it was changed
3071 (this can affect the format of dates).
bbe902f0 3072
ea3a6f44
NM
307328. exim_tidydb, when checking for the continued existence of a message for
3074 which it has found a message-specific retry record, was not finding
3075 messages that were in split spool directories. Consequently, it was
3076 deleting retry records that should have stayed in existence.
bbe902f0
PH
3077
307829. eximstats updated to version 1.35
3079 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3080 1.35 - bugfix such that pie charts by volume are generated correctly
3081
ea3a6f44
NM
308230. The SPA authentication driver was not abandoning authentication and moving
3083 on to the next authenticator when an expansion was forced to fail,
3084 contradicting the general specification for all authenticators. Instead it
3085 was generating a temporary error. It now behaves as specified.
bbe902f0 3086
ea3a6f44
NM
308731. The default ordering of permitted cipher suites for GnuTLS was pessimal
3088 (the order specifies the preference for clients). The order is now AES256,
3089 AES128, 3DES, ARCFOUR128.
bbe902f0 3090
ea3a6f44
NM
309131. Small patch to Sieve code - explicitly set From: when generating an
3092 autoreply.
bbe902f0 3093
ea3a6f44
NM
309432. Exim crashed if a remote delivery caused a very long error message to be
3095 recorded - for instance if somebody sent an entire SpamAssassin report back
3096 as a large number of 550 error lines. This bug was coincidentally fixed by
3097 increasing the size of one of Exim's internal buffers (big_buffer) that
3098 happened as part of the Exiscan merge. However, to be on the safe side, I
3099 have made the code more robust (and fixed the comments that describe what
3100 is going on).
bbe902f0 3101
ea3a6f44
NM
310233. Some experimental protocols are using DNS PTR records for new purposes. The
3103 keys for these records are domain names, not reversed IP addresses. The
3104 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3105 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3106 CAN-2005-0021
3107
ea3a6f44
NM
310834. The host_aton() function is supposed to be passed a string that is known
3109 to be a valid IP address. However, in the case of IPv6 addresses, it was
3110 not checking this. This is a hostage to fortune. Exim now panics and dies
3111 if the condition is not met. A case was found where this could be provoked
3112 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3113 components; fortuitously, this particular loophole had already been fixed
3114 by change 4.50/55 or 4.44/33 above.
3115
3116 If there are any other similar loopholes, the new check in host_aton()
3117 itself should stop them being exploited. The report I received stated that
3118 data on the command line could provoke the exploit when Exim was running as
3119 exim, but did not say which command line option was involved. All I could
3120 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3121 running as the user.
bbe902f0
PH
3122 CAN-2005-0021
3123
ea3a6f44
NM
312435. There was a buffer overflow vulnerability in the SPA authentication code
3125 (which came originally from the Samba project). I have added a test to the
3126 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3127 CAN-2005-0022
3128
ea3a6f44
NM
312936. The daemon start-up calls getloadavg() while still root for those OS that
3130 need the first call to be done as root, but it missed one case: when
3131 deliver_queue_load_max is set with deliver_drop_privilege. This is
3132 necessary for the benefit of the queue runner, because there is no re-exec
3133 when deliver_drop_privilege is set.
bbe902f0 3134
ea3a6f44
NM
313537. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3136 was in use, was not putting the data itself into the right store pool;
3137 consequently, it could be overwritten for a subsequent message in the same
3138 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3139 the caching.)
bbe902f0 3140
ea3a6f44
NM
314138. Sometimes the final signoff response after QUIT could fail to get
3142 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3143 < 0 before doing a fflush(). This bug looks as though it goes back to the
3144 introduction of TLS in release 3.20, but "sometimes" must have been rare
3145 because the tests only now provoked it.
bbe902f0
PH
3146
3147
495ae4b0
PH
3148Exim version 4.43
3149-----------------
3150
3151 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3152 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3153 Now it returns an integer. A number of calls were still expecting a T/F
3154 return. Fortuitously, in all cases, the tests worked in OK situations,
3155 which is the norm. However, things would have gone wrong on any write
3156 failures on the smtp file descriptor. This function is used when sending
3157 messages over SMTP and also when doing verify callouts.
3158
3159 2. When Exim is called to do synchronous delivery of a locally submitted
3160 message (the -odf or -odi options), it no longer closes stderr before doing
3161 the delivery.
3162
3163 3. Implemented the mua_wrapper option.
3164
3165 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3166
3167 5. Implemented the functions header_remove(), header_testname(),
3168 header_add_at_position(), and receive_remove_recipient(), and exported them
3169 to local_scan().
3170
3171 6. If an ACL "warn" statement specified the addition of headers, Exim already
3172 inserted X-ACL-Warn: at the start if there was no header name. However, it
3173 was not making this test for the second and subsequent header lines if
3174 there were newlines in the string. This meant that an invalid header could
3175 be inserted if Exim was badly configured.
3176
3177 7. Allow an ACL "warn" statement to add header lines at the start or after all
3178 the Received: headers, as well as at the end.
3179
3180 8. Added the rcpt_4xx retry error code.
3181
3182 9. Added postmaster_mailfrom=xxx to callout verification option.
3183
318410. Added mailfrom=xxxx to the callout verification option, for verify=
3185 header_sender only.
3186
318711. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3188 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3189
319012. Inserted some casts to stop certain compilers warning when using pointer
3191 differences as field lengths or precisions in printf-type calls (mostly
3192 affecting debugging statements).
3193
319413. Added optional readline() support for -be (dynamically loaded).
3195
319614. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3197 same clock tick as a message's arrival, so that its received time was the
3198 same as the "first fail" time on the retry record, and that message
3199 remained on the queue past the ultimate address timeout, every queue runner
3200 would try a delivery (because it was past the ultimate address timeout) but
3201 after another failure, the ultimate address timeout, which should have then
3202 bounced the address, did not kick in. This was a "< instead of <=" error;
3203 in most cases the first failure would have been in the next clock tick
3204 after the received time, and all would be well.
3205
320615. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3207 being recognized when the domain list was tested by the match_domain
3208 condition in an expansion string.
3209
321016. Added the ${str2b64: operator.
3211
321217. Exim was always calling setrlimit() to set a large limit for the number of
3213 processes, without checking whether the existing limit was already
3214 adequate. (It did check for the limit on file descriptors.) Furthermore,
3215 errors from getrlimit() and setrlimit() were being ignored. Now they are
3216 logged to the main and panic logs, but Exim does carry on, to try to do its
3217 job under whatever limits there are.
3218
321918. Imported PCRE 5.0.
3220
322119. Trivial typo in log message " temporarily refused connection" (the leading
3222 space).
3223
322420. If the log selector return_path_on_delivery was set and an address was
3225 redirected to /dev/null, the delivery process crashed because it assumed
3226 that a return path would always be set for a "successful" delivery. In this
3227 case, the whole delivery is bypassed as an optimization, and therefore no
3228 return path is set.
3229
323021. Internal re-arrangement: the function for sending a challenge and reading
3231 a response while authentication was assuming a zero-terminated challenge
3232 string. It's now changed to take a pointer and a length, to allow for
3233 binary data in such strings.
3234
323522. Added the cyrus_sasl authenticator (code supplied by MBM).
3236
323723. Exim was not respecting finduser_retries when seeking the login of the
3238 uid under which it was called; it was always trying 10 times. (The default
3239 setting of finduser_retries is zero.) Also, it was sleeping after the final
3240 failure, which is pointless.
3241
324224. Implemented tls_on_connect_ports.
3243
324425. Implemented acl_smtp_predata.
3245
324626. If the domain in control=submission is set empty, Exim assumes that the
3247 authenticated id is a complete email address when it generates From: or
3248 Sender: header lines.
3249
325027. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3251 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3252 chown and chgrp in /bin and hostname in /usr/bin.
3253
325428. Exim was keeping the "process log" file open after each use, just as it
3255 does for the main log. This opens the possibility of it remaining open for
3256 long periods when the USR1 signal hits a daemon. Occasional processlog
3257 errors were reported, that could have been caused by this. Anyway, it seems
3258 much more sensible not to leave this file open at all, so that is what now
3259 happens.
3260
326129. The long-running daemon process does not normally write to the log once it
3262 has entered its main loop, and it closes the log before doing so. This is
3263 so that log files can straightforwardly be renamed and moved. However,
3264 there are a couple of unusual error situations where the daemon does write
3265 log entries, and I had neglected to close the log afterwards.
3266
326730. The text of an SMTP error response that was received during a remote
3268 delivery was being truncated at 512 bytes. This is too short for some of
3269 the long messages that one sometimes sees. I've increased the limit to
3270 1024.
3271
327231. It is now possible to make retry rules that apply only when a message has a
3273 specific sender, in particular, an empty sender.
3274
327532. Added "control = enforce_sync" and "control = no_enforce_sync". This makes
3276 it possible to be selective about when SMTP synchronization is enforced.
3277
327833. Added "control = caseful_local_part" and "control = "caselower_local_part".
3279
328032. Implemented hosts_connection_nolog.
3281
328233. Added an ACL for QUIT.
3283
328434. Setting "delay_warning=" to disable warnings was not working; it gave a
3285 syntax error.
3286
328735. Added mailbox_size and mailbox_filecount to appendfile.
3288
328936. Added control = no_multiline_responses to ACLs.
3290
329137. There was a bug in the logic of the code that waits for the clock to tick
3292 in the case where the clock went backwards by a substantial amount such
3293 that the microsecond fraction of "now" was more than the microsecond
3294 fraction of "then" (but the whole seconds number was less).
3295
329638. Added support for the libradius Radius client library this is found on
3297 FreeBSD (previously only the radiusclient library was supported).
3298
3299
3300Exim version 4.42
3301-----------------
3302
3303 1. When certain lookups returned multiple values in the form name=value, the
3304 quoting of the values was not always being done properly. Specifically:
3305 (a) If the value started with a double quote, but contained no whitespace,
3306 it was not quoted.
3307 (b) If the value contained whitespace other than a space character (i.e.
3308 tabs or newlines or carriage returns) it was not quoted.
3309 This fix has been applied to the mysql and pgsql lookups by writing a
3310 separate quoting function and calling it from the lookup code. The fix
3311 should probably also be applied to nisplus, ibase and oracle lookups, but
3312 since I cannot test any of those, I have not disturbed their existing code.
3313
3314 2. A hit in the callout cache for a specific address caused a log line with no
3315 reason for rejecting RCPT. Now it says "Previous (cached) callout
3316 verification failure".
3317
3318 3. There was an off-by-one bug in the queryprogram router. An over-long
3319 return line was truncated at 256 instead of 255 characters, thereby
3320 overflowing its buffer with the terminating zero. As well as fixing this, I
3321 have increased the buffer size to 1024 (and made a note to document this).
3322
3323 4. If an interrupt, such as the USR1 signal that is send by exiwhat, arrives
3324 when Exim is waiting for an SMTP response from a remote server, Exim
3325 restarts its select() call on the socket, thereby resetting its timeout.
3326 This is not a problem when such interrupts are rare. Somebody set up a cron
3327 job to run exiwhat every 2 minutes, which is less than the normal select()
3328 timeout (5 or 10 minutes). This meant that the select() timeout never
3329 kicked in because it was always reset. I have fixed this by comparing the
3330 time when an interrupt arrives with the time at the start of the first call
3331 to select(). If more time than the timeout has elapsed, the interrupt is
3332 treated as a timeout.
3333
3334 5. Some internal re-factoring in preparation for the addition of Sieve
3335 extensions (by MH). In particular, the "personal" test is moved to a
3336 separate function, and given an option for scanning Cc: and Bcc: (which is
3337 not set for Exim filters).
3338
3339 6. When Exim created an email address using the login of the caller as the
3340 local part (e.g. when creating a From: or Sender: header line), it was not
3341 quoting the local part when it contained special characters such as @.
3342
3343 7. Installed new OpenBSD configuration files.
3344
3345 8. Reworded some messages for syntax errors in "and" and "or" conditions to
3346 try to make them clearer.
3347
3348 9. Callout options, other than the timeout value, were being ignored when
3349 verifying sender addresses in header lines. For example, when using
3350
3351 verify = header_sender/callout=no_cache
3352
3353 the cache was (incorrectly) being used.
3354
335510. Added a missing instance of ${EXE} to the exim_install script; this affects
3356 only the Cygwin environment.
3357
335811. When return_path_on_delivery was set as a log selector, if different remote
3359 addresses in the same message used different return paths and parallel
3360 remote delivery occurred, the wrong values would sometimes be logged.
3361 (Whenever a remote delivery process finished, the return path value from
3362 the most recently started remote delivery process was logged.)
3363
336412. RFC 3848 specifies standard names for the "with" phrase in Received: header
3365 lines when AUTH and/or TLS are in use. This is the "received protocol"
3366 field. Exim used to use "asmtp" for authenticated SMTP, without any
3367 indication (in the protocol name) for TLS use. Now it follows the RFC and
3368 uses "esmtpa" if the connection is authenticated, "esmtps" if it is
3369 encrypted, and "esmtpsa" if it is both encrypted and authenticated. These
3370 names appear in log lines as well as in Received: header lines.
3371
337213. Installed MH's patches for Sieve to add the "copy" and "vacation"
3373 extensions, and comparison tests, and to fix some bugs.
3374
337514. Changes to the "personal" filter test:
3376
3377 (1) The test was buggy in that it was just doing the equivalent of
3378 "contains" tests on header lines. For example, if a user's address was
3379 anne@some.where, the "personal" test would incorrectly be true for
3380
3381 To: susanne@some.where
3382
3383 This test is now done by extracting each address from the header in turn,
3384 and checking the entire address. Other tests that are part of "personal"
3385 are now done using regular expressions (for example, to check local parts
3386 of addresses in From: header lines).
3387
3388 (2) The list of non-personal local parts in From: addresses has been
3389 extended to include "listserv", "majordomo", "*-request", and "owner-*",
3390 taken from the Sieve specification recommendations.
3391
3392 (3) If the message contains any header line starting with "List-" it is
3393 treated as non-personal.
3394
3395 (4) The test for "circular" in the Subject: header line has been removed
3396 because it now seems ill-conceived.
3397
339815. Minor typos in src/EDITME comments corrected.
3399
340016. Installed latest exipick from John Jetmore.
3401
340217. If headers_add on a router specified a text string that was too long for
3403 string_sprintf() - that is, longer than 8192 bytes - Exim panicked. The use
3404 of string_sprintf() is now avoided.
3405
340618. $message_body_size was not set (it was always zero) when running the DATA
3407 ACL and the local_scan() function.
3408
340919. For the "mail" command in an Exim filter, no default was being set for
3410 the once_repeat time, causing a random time value to be used if "once" was
3411 specified. (If the value happened to be <= 0, no repeat happened.) The
3412 default is now 0s, meaning "never repeat". The "vacation" command was OK
3413 (its default is 7d). It's somewhat surprising nobody ever noticed this bug
3414 (I found it when inspecting the code).
3415
341620. There is now an overall timeout for performing a callout verification. It
3417 defaults to 4 times the callout timeout, which applies to individual SMTP
3418 commands during the callout. The overall timeout applies when there is more
3419 than one host that can be tried. The timeout is checked before trying the
3420 next host. This prevents very long delays if there are a large number of
3421 hosts and all are timing out (e.g. when the network connections are timing
3422 out). The value of the overall timeout can be changed by specifying an
3423 additional sub-option for "callout", called "maxwait". For example:
3424
3425 verify = sender/callout=5s,maxwait=20s
3426
342721. Add O_APPEND to the open() call for maildirsize files (Exim already seeks
3428 to the end before writing, but this should make it even safer).
3429
343022. Exim was forgetting that it had advertised PIPELINING for the second and
3431 subsequent messages on an SMTP connection. It was also not resetting its
3432 memory on STARTTLS and an internal HELO.
3433
343423. When Exim logs an SMTP synchronization error within a session, it now
3435 records whether PIPELINING has been advertised or not.
3436
343724. Added 3 instances of "(long int)" casts to time_t variables that were being
3438 formatted using %ld, because on OpenBSD (and perhaps others), time_t is int
3439 rather than long int.
3440
344125. Installed the latest Cygwin configuration files from the Cygwin maintainer.
3442
344326. Added the never_mail option to autoreply.
3444
3445