Spacing change on Makefile directives (syntax fix). Fixes: #961
[exim.git] / doc / doc-txt / ChangeLog
CommitLineData
9bd3e22c 1$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.602 2010/03/05 16:03:59 nm4 Exp $
495ae4b0
PH
2
3Change log file for Exim from version 4.21
4-------------------------------------------
5
465e92cf
JJ
6Exim version 4.72
7-----------------
8
9JJ/01 installed exipick 20100104.1, adding $max_received_linelength, $data_path, and $header_path variables; fixed documentation bugs and typos
10
edae0343
JJ
11JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow exipick to access non-standard spools, including the "frozen" queue (Finput)
12
9bd3e22c
NM
13NM/01 Bugzilla 965: Support mysql stored procedures.
14 Patch from Alain Williams
15
16
7c6d71af
NM
17Exim version 4.71
18-----------------
19
20TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body
21
f013fb92
NM
22NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
23
0eb8eedd
NM
24NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
25
663ee6d9
NM
26NM/03 Bugzilla 847: Enable DNSDB lookup by default.
27
177ebd9b
NM
28NM/04 Bugzilla 915: Flag broken perl installation during build.
29
7c6d71af 30
210f147e
NM
31Exim version 4.70
32-----------------
33
cdd3bb85 34TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 35 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
36
37TK/02 Write list of recipients to X-Envelope-Sender header when building
38 the mbox-format spool file for content scanning (suggested by Jakob
39 Hirsch)
40
41TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
42 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 43 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
44
45TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
46 by Mark Daniel Reidel <mr@df.eu>.
47
210f147e
NM
48NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
49 When building exim an external PCRE library is now needed -
50 PCRE is a system library on the majority of modern systems.
51 See entry on PCRE_LIBS in EDITME file.
52
deafd5b3
NM
53NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
54 conversation. Added nologin parameter to request.
55 Patch contributed by Kirill Miazine
56
089793a4
TF
57TF/01 Do not log submission mode rewrites if they do not change the address.
58
5f16ca82
TF
59TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
60
dae9d94e
NM
61NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
62 log files in place. Contributed by Roberto Lima
63
3f0da4d0
NM
64NM/04 Bugzilla 667: close socket used by dovecot authenticator
65
06864c44
TF
66TF/03 Bugzilla 615: When checking the local_parts router precondition
67 after a local_part_suffix or local_part_prefix option, Exim now
68 does not use the address's named list lookup cache, since this
69 contains cached lookups for the whole local part.
70
65a7d8c3
NM
71NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
72 Robert Millan. Documentation is in experimental-spec.txt
73
23510047 74TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 75
7d8eec3a 76NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000
5f28a6e8 77
7d8eec3a 78NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
6c588e74
NM
79 Patch provided by Jan Srzednicki
80
89dec7b6
TF
81TF/05 Leading white space used to be stripped from $spam_report which
82 wrecked the formatting. Now it is preserved.
5f28a6e8 83
a99de90c
TF
84TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
85 that they are available at delivery time.
86
e2803e40
TF
87TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
88
7199e1ee
TF
89TF/08 TLS error reporting now respects the incoming_interface and
90 incoming_port log selectors.
91
e276e04b
TF
92TF/09 Produce a more useful error message if an SMTP transport's hosts
93 setting expands to an empty string.
94
ce552449
NM
95NM/06 Bugzilla 744: EXPN did not work under TLS.
96 Patch provided by Phil Pennock
97
e765a0f1
NM
98NM/07 Bugzilla 769: Extraneous comma in usage fprintf
99 Patch provided by Richard Godbee
100
4f054c63 101NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 102 acl_smtp_notquit, added index entry.
4f054c63 103
24c929a2
NM
104NM/09 Bugzilla 787: Potential buffer overflow in string_format
105 Patch provided by Eugene Bujak
106
cf73943b
NM
107NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to accept()
108 Patch provided by Maxim Dounin
109
b52bc06e
NM
110NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
111 Patch provided by Phil Pennock
112
447de4b0
NM
113NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
114
4c69d561
NM
115NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
116 Patch provided by Brad "anomie" Jorsch
117
d5c39246 118NM/14 Bugzilla 622: Added timeout setting to transport filter.
9b989985
NM
119 Patch provided by Dean Brooks
120
0b23848a
TK
121TK/05 Add native DKIM support (does not depend on external libraries).
122
8f3414a1 123NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
e2aacdfd
NM
124 Patch provided by Graeme Fowler
125
fb6f955d
NM
126NM/16 Bugzilla 851: Documentation example syntax fix.
127
128NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 129
dbb0bf41
NM
130NM/18 Bugzilla 894: Fix issue with very long lines including comments in lsearch
131
f3766eb5
NM
132NM/19 Bugzilla 745: TLS version reporting
133 Patch provided by Phil Pennock
134
135NM/20 Bugzilla 167: bool: condition support
136 Patch provided by Phil Pennock
36f12725 137
e6060e2c
NM
138NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken clients
139 Patch provided by Phil Pennock
140
7496b417 141NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date
5eb690a1
NM
142 Patch provided by Brad "anomie" Jorsch
143
d5c13d66
NM
144NM/23 Bugzilla 687: Fix misparses in eximstats
145 Patch provided by Heiko Schlittermann
146
b2335c0b
NM
147NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid
148 Patch provided by Heiko Schlittermann
149
f4cd9433 150NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file
1da77999 151 plus update to original patch.
f4cd9433
NM
152
153NM/26 Bugzilla 799: Documentation correction for ratelimit
dc988b7e 154
8dc71ab3
NM
155NM/27 Bugzilla 802: Improvements to local interface IP addr detection
156 Patch provided by David Brownlee
157
400eda43
NM
158NM/28 Bugzilla 807: Improvements to LMTP delivery logging
159
160NM/29 Bugzilla 862, 866, 875: Documentation bugfixes
ec5a421b 161
07af267e
NM
162NM/30 Bugzilla 888: TLS documentation bugfixes
163
0cc09577 164NM/31 Bugzilla 896: Dovecot buffer overrun fix
51473862 165
17792b53
NM
166NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
167 Unlike the original bugzilla I have changed all shell scripts in src tree
168
52383f8f
NM
169NM/33 Bugzilla 898: Transport filter timeout fix
170 Patch by Todd Rinaldo
171
5ca6d115
NM
172NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches
173 Patch by Serge Demonchaux
174
baee9eee
NM
175NM/35 Bugzilla 39: Base64 decode bug fixes
176 Patch by Jakob Hirsch
177
e93a964c
NM
178NM/36 Bugzilla 909: Correct connect() call in dcc code
179
9bf3d68f
NM
180NM/37 Bugzilla 910: Correct issue with relaxed/simple handling
181
182NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed
96535b98 183
30339e0f
NM
184NM/39 Bugzilla 911: Fixed MakeLinks build script
185
deafd5b3 186
47db1125
NM
187Exim version 4.69
188-----------------
189
4b3504d0
TK
190TK/01 Add preliminary DKIM support. Currently requires a forked version of
191 ALT-N's libdkim that I have put here:
192 http://duncanthrax.net/exim-experimental/
193
194 Note to Michael Haardt: I had to rename some vars in sieve.c. They
195 were called 'true' and it seems that C99 defines that as a reserved
196 keyword to be used with 'bool' variable types. That means you could
197 not include C99-style headers which use bools without triggering
198 build errors in sieve.c.
199
81ea09ca
NM
200NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
201 as mailq or other aliases. Changed the --help handling significantly
202 to do whats expected. exim_usage() emits usage/help information.
203
f13cddcb
SC
204SC/01 Added the -bylocaldomain option to eximstats.
205
8ad076b2
NM
206NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr
207
a843aaa6
NM
208NM/03 Bugzilla 613: Documentation fix for acl_not_smtp
209
47db1125
NM
210NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall)
211
212
eb4c0de6
PH
213Exim version 4.68
214-----------------
215
216PH/01 Another patch from the Sieve maintainer.
217
6a3bceb1
PH
218PH/02 When an IPv6 address is converted to a string for single-key lookup
219 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
220 dots are used instead of colons so that keys in lsearch files need not
221 contain colons. This was done some time before quoting was made available
222 in lsearch files. However, iplsearch files do require colons in IPv6 keys
223 (notated using the quote facility) so as to distinguish them from IPv4
224 keys. This meant that lookups for IP addresses in host lists did not work
225 for iplsearch lookups.
226
227 This has been fixed by arranging for IPv6 addresses to be expressed with
228 colons if the lookup type is iplsearch. This is not incompatible, because
229 previously such lookups could never work.
230
231 The situation is now rather anomolous, since one *can* have colons in
232 ordinary lsearch keys. However, making the change in all cases is
233 incompatible and would probably break a number of configurations.
234
2e30fa9d
TK
235TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
236 version.
237
0806a9c5
MH
238MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
239 conversion specification without a maximum field width, thereby enabling
240 a rogue spamd server to cause a buffer overflow. While nobody in their
241 right mind would setup Exim to query an untrusted spamd server, an
242 attacker that gains access to a server running spamd could potentially
243 exploit this vulnerability to run arbitrary code as the Exim user.
244
ae276964
TK
245TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
246 $primary_hostname instead of what libspf2 thinks the hosts name is.
247
0f2cbd1b
MH
248MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
249 a directory entry by the name of the lookup key. Previously, if a
250 symlink pointed to a non-existing file or a file in a directory that
251 Exim lacked permissions to read, a lookup for a key matching that
252 symlink would fail. Now it is enough that a matching directory entry
253 exists, symlink or not. (Bugzilla 503.)
254
2b85bce7
PH
255PH/03 The body_linecount and body_zerocount variables are now exported in the
256 local_scan API.
257
93655c46
PH
258PH/04 Added the $dnslist_matched variable.
259
6c512171
PH
260PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
261 This means they are set thereafter only if the connection becomes
262 encrypted.
263
264PH/06 Added the client_condition to authenticators so that some can be skipped
265 by clients under certain conditions.
266
aa6dc513
PH
267PH/07 The error message for a badly-placed control=no_multiline_responses left
268 "_responses" off the end of the name.
269
a96603a0
PH
270PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
271
8f240103
PH
272PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
273 (without spaces) instead of just copying the configuration text.
274
275PH/10 Added the /noupdate option to the ratelimit ACL condition.
276
d677b2f2
PH
277PH/11 Added $max_received_linelength.
278
d52120f2
PH
279PH/12 Added +ignore_defer and +include_defer to host lists.
280
64f2600a
PH
281PH/13 Installed PCRE version 7.2. This needed some changes because of the new
282 way in which PCRE > 7.0 is built.
283
8669f003
PH
284PH/14 Implemented queue_only_load_latch.
285
a4dc33a8
PH
286PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
287 MAIL command. The effect was to mangle the value on 64-bit systems.
288
d6a60c0f
PH
289PH/16 Another patch from the Sieve maintainer.
290
8f128379
PH
291PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
292
8932dffe
PH
293PH/18 If a system quota error occurred while trying to create the file for
294 a maildir delivery, the message "Mailbox is full" was not appended to the
295 bounce if the delivery eventually timed out. Change 4.67/27 below applied
296 only to a quota excession during the actual writing of the file.
d6a60c0f 297
ddea74fa 298PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
299 characters?) which causes problems in log lines. The DN values are now
300 passed through string_printing() before being added to log lines.
301
ddea74fa 302PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
303 and InterBase are left for another time.)
304
ddea74fa
PH
305PH/21 Added message_body_newlines option.
306
ce9f225c
PH
307PH/22 Guard against possible overflow in moan_check_errorcopy().
308
19897d52
PH
309PH/23 POSIX allows open() to be a macro; guard against that.
310
bc64a74d
PH
311PH/24 If the recipient of an error message contained an @ in the local part
312 (suitably quoted, of course), incorrect values were put in $domain and
313 $local_part during the evaluation of errors_copy.
314
eb4c0de6 315
b4ed4da0
PH
316Exim version 4.67
317-----------------
318
22ad45c9
MH
319MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
320 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
321 Jan Srzednicki.
322
b4ed4da0
PH
323PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
324 issue a MAIL command.
325
431b7361
PH
326PH/02 In an ACL statement such as
327
328 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
329
330 if a client was not listed at all, or was listed with a value other than
331 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
332 the condition was not true (as it should be), so access was not denied.
333 The bug was that the ! inversion was incorrectly passed on to the second
334 item. This has been fixed.
335
336PH/03 Added additional dnslists conditions == and =& which are different from
337 = and & when the dns lookup returns more than one IP address.
338
83da1223
PH
339PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
340 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
341
54fc8428
PH
342PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
343 FSYNC, which compiles an option called disable_fsync that allows for
344 bypassing fsync(). The documentation is heavily laced with warnings.
345
34c5e8dd
SC
346SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
347
bbe15da8
PH
348PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
349 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
350 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
351 including adding "make clean"; (3) Added -fPIC when compiling the test
352 dynamically loaded module, to get rid of a warning.
353
0e8a9471
MH
354MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
355 message fails, move_frozen_messages = true and ignore_bounce_errors_after
356 = 0s. The bug is otherwise harmless.
357
f0872424
PH
358PH/07 There was a bug in the dovecot authenticator such that the value of
359 $auth1 could be overwritten, and so not correctly preserved, after a
360 successful authentication. This usually meant that the value preserved by
361 the server_setid option was incorrect.
362
b01dd148
PH
363PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
364
6bf342e1
PH
365PH/09 Installed PCRE release 7.0.
366
273f34d0
PH
367PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
368 run for batched SMTP input. It is now run at the start of every message
369 in the batch. While fixing this I discovered that the process information
370 (output by running exiwhat) was not always getting set for -bs and -bS
371 input. This is fixed, and it now also says "batched" for BSMTP.
372
cf8b11a5
PH
373PH/11 Added control=no_pipelining.
374
41c7c167
PH
375PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
376 patch, slightly modified), and move the expansion of helo_data till after
377 the connection is made in the smtp transport (so it can use these
378 values).
379
9c57cbc0
PH
380PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
381
f3f065bb
PH
382PH/14 Added log_selector = +pid.
383
047bdd8c
PH
384PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
385
0ce9abe6
PH
386PH/16 Add ${if forany and ${if forall.
387
0e22dfd1
PH
388PH/17 Added dsn_from option to vary the From: line in DSNs.
389
4c590bd1
PH
390PH/18 Flush SMTP output before performing a callout, unless control =
391 no_callout_flush is set.
392
09945f1e
PH
393PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
394 was true (the default) a successful delivery failed to delete the retry
395 item, thus causing premature timeout of the address. The bug is now
396 fixed.
397
c51b8e75
PH
398PH/20 Added hosts_avoid_pipelining to the smtp transport.
399
e28326d8
PH
400PH/21 Long custom messages for fakedefer and fakereject are now split up
401 into multiline reponses in the same way that messages for "deny" and
402 other ACL rejections are.
403
75b1493f
PH
404PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
405 with slight modification.
406
7c5214ec
PH
407PH/23 Applied sieve patches from the maintainer "tracking the latest notify
408 draft, changing the syntax and factoring some duplicate code".
409
4311097e
PH
410PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
411 for deliveries of the second and subsequent messages over the same SMTP
412 connection.
413
29f89cad
PH
414PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
415 ${reduce, with only minor "tidies".
416
5e687460
SC
417SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
418
c3611384
PH
419PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
420 expansion side effects.
421
5a11a7b4
PH
422PH/27 When a message times out after an over-quota error from an Exim-imposed
423 quota, the bounce message says "mailbox is full". This message was not
424 being given when it was a system quota that was exceeded. It now should
425 be the same.
426
0e20aff9
MH
427MH/03 Made $recipients available in local_scan(). local_scan() already has
428 better access to the recipient list through recipients_list[], but
429 $recipients can be useful in postmaster-provided expansion strings.
430
ca86f471
PH
431PH/28 The $smtp_command and $smtp_command_argument variables were not correct
432 in the case of a MAIL command with additional options following the
433 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
434 were accidentally chopped off.
435
a14e5636
PH
436PH/29 SMTP synchronization checks are implemented when a command is read -
437 there is a check that no more input is waiting when there shouldn't be
438 any. However, for some commands, a delay in an ACL can mean that it is
439 some time before the response is written. In this time, more input might
440 arrive, invalidly. So now there are extra checks after an ACL has run for
441 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
442 pipelining has not been advertised.
443
ec95d1a6
PH
444PH/30 MH's patch to allow iscntrl() characters to be list separators.
445
42855d71
PH
446PH/31 Unlike :fail:, a custom message specified with :defer: was not being
447 returned in the SMTP response when smtp_return_error_details was false.
448 This has been fixed.
449
57c2c631
PH
450PH/32 Change the Dovecot authenticator to use read() and write() on the socket
451 instead of the C I/O that was originally supplied, because problems were
452 reported on Solaris.
453
58c01c94
PH
454PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
455 Exim which did not show up earlier: it was assuming that a call to
456 SSL_CTX_set_info_callback() might give an error value. In fact, there is
457 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
458 was a macro that became an assignment, so it seemed to work. This has
459 changed to a proper function call with a void return, hence the compile
460 error. Exim's code has been fixed.
461
dee5a20a
PH
462PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
463 cpus.
464
d2ee6114
PH
465PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
466
b2d5182b
PH
467PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
468
79749a79
PH
469PH/37 If a message is not accepted after it has had an id assigned (e.g.
470 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
471 "Completed" line in the log. When some messages of this type were
472 selected by exigrep, they were listed as "not completed". Others were
473 picked up by some special patterns. I have improved the selection
474 criteria to be more general.
79749a79 475
c456d9bb
PH
476PH/38 The host_find_failed option in the manualroute router can now be set
477 to "ignore", to completely ignore a host whose IP address cannot be
478 found. If all hosts are ignored, the behaviour is controlled by the new
479 host_all_ignored option.
480
cd9868ec
PH
481PH/39 In a list of hosts for manualroute, if one item (either because of multi-
482 homing or because of multiple MX records with /mx) generated more than
483 one IP address, and the following item turned out to be the local host,
484 all the secondary addresses of the first item were incorrectly removed
485 from the list, along with the local host and any following hosts (which
486 is what is supposed to happen).
487
ebeaf996
PH
488PH/40 When Exim receives a message, it writes the login name, uid, and gid of
489 whoever called Exim into the -H file. In the case of the daemon it was
490 behaving confusingly. When first started, it used values for whoever
491 started the daemon, but after a SIGHUP it used the Exim user (because it
492 calls itself on a restart). I have changed the code so that it now always
493 uses the Exim user.
494
2679d413
PH
495PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
496 message are rejected with the same error (e.g. no authentication or bad
497 sender address), and a DATA command is nevertheless sent (as can happen
498 with PIPELINING or a stupid MUA), the error message that was given to the
499 RCPT commands is included in the rejection of the DATA command. This is
500 intended to be helpful for MUAs that show only the final error to their
501 users.
502
84024b72
PH
503PH/42 Another patch from the Sieve maintainer.
504
8005d38e
SC
505SC/02 Eximstats - Differentiate between permanent and temporary rejects.
506 Eximstats - Fixed some broken HTML links and added missing column headers
507 (Jez Hancock).
508 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
509 columns for Rejects, Temp Rejects, Ham, and Spam rows.
510
3298c6c6
SC
511SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
512
a43a27c5
PH
513PH/43 Yet another patch from the Sieve maintainer.
514
58eb016e 515PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
516 the response to the final '.' that terminates a message, but only in the
517 case where the client has not sent further data following the '.'
518 (unfortunately, this is allowed). However, in many cases there won't be
519 any further data because there won't be any more messages to send. A call
520 to select() can be used: if it shows that the input is "ready", there is
521 either input waiting, or the socket has been closed. An attempt to read
522 the next input character can distinguish the two cases. Previously, Exim
58eb016e 523 would have sent an OK response which the client would never have see.
563b63fa
PH
524 This could lead to message repetition. This fix should cure that, at
525 least in a lot of common cases.
58eb016e 526
b43a74ea
PH
527PH/45 Do not advertise STARTTLS in response to HELP unless it would be
528 advertised in response to EHLO.
529
b4ed4da0 530
5dd1517f
PH
531Exim version 4.66
532-----------------
533
534PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
535 fixed by 4.65/MH/01 (is this a record?) are fixed:
536
537 (i) An empty string was always treated as zero by the numeric comparison
538 operators. This behaviour has been restored.
539
540 (ii) It is documented that the numeric comparison operators always treat
541 their arguments as decimal numbers. This was broken in that numbers
542 starting with 0 were being interpreted as octal.
543
544 While fixing these problems I realized that there was another issue that
545 hadn't been noticed. Values of message_size_limit (both the global option
546 and the transport option) were treated as octal if they started with 0.
547 The documentation was vague. These values are now always treated as
548 decimal, and I will make that clear in the documentation.
549
550
93cfa765
TK
551Exim version 4.65
552-----------------
553
554TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
555 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
556 versions. (#438)
557
d6066548
MH
558MH/01 Don't check that the operands of numeric comparison operators are
559 integers when their expansion is in "skipping" mode (fixes bug
560 introduced by 4.64-PH/07).
561
4362ff0d
PH
562PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
563 child addresses, Exim now panics and dies. Previously, because the count
564 is held in a short int, deliveries were likely to be lost. As such a
565 large number of recipients for a single message is ridiculous
566 (performance will be very, very poor), I have chosen to impose a limit
567 rather than extend the field.
568
93cfa765 569
944e9e9c
TF
570Exim version 4.64
571-----------------
aa41d2de 572
21d74bd9
TK
573TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
574 leftover -K file (the existence of which was triggered by #402).
575 While we were at it, introduced process PID as part of the -K
576 filename. This should rule out race conditions when creating
577 these files.
578
579TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
580 processing considerably. Previous code took too long for large mails,
581 triggering a timeout which in turn triggers #401.
582
583TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
584 in the DK code in transports.c. sendfile() is not really portable,
585 hence the _LINUX specificness.
944e9e9c
TF
586
587TF/01 In the add_headers option to the mail command in an Exim filter,
588 there was a bug that Exim would claim a syntax error in any
589 header after the first one which had an odd number of characters
590 in the field name.
591
2b1c6e3a
PH
592PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
593 callout verification, Exim cached a "reject" for the entire domain. This
594 is correct for most verifications, but it is not correct for a recipient
595 verification with use_sender or use_postmaster set, because in that case
596 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
597 case of MAIL FROM:<> rejection from other early rejections (e.g.
598 rejection of HELO). When verifying a recipient using a non-null MAIL
599 address, the cache is ignored if it shows MAIL FROM:<> rejection.
600 Whatever the result of the callout, the value of the domain cache is
601 left unchanged (for any other kind of callout, getting as far as trying
602 RCPT means that the domain itself is ok).
603
1f872c80
PH
604PH/02 Tidied a number of unused variable and signed/unsigned warnings that
605 gcc 4.1.1 threw up.
606
607PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
608 manifest itself as EPIPE rather than ECONNECT. When tidying away a
609 session, the daemon ignores ECONNECT errors and logs others; it now
610 ignores EPIPE as well.
611
d203e649
PH
612PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
613 (quoted-printable decoding).
614
cc2ed8f7 615PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 616 later the small subsequent patch to fix an introduced bug.
f951fd57 617
ddfcd446
PH
618PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
619
d45b1de8
PH
620PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
621
622PH/08 An error is now given if message_size_limit is specified negative.
623
38a0a95f 624PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 625 to be given (somewhat) arbitrary names.
38a0a95f 626
a2405d83
JJ
627JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
628 in 4.64-PH/09.
629
630JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
631 miscellaneous code fixes
632
6ea85e9a
PH
633PH/10 Added the log_reject_target ACL modifier to specify where to log
634 rejections.
635
26da7e20
PH
636PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
637 hostname. This is wrong, because it relates to the incoming message (and
638 probably the interface on which it is arriving) and not to the outgoing
639 callout (which could be using a different interface). This has been
640 changed to use the value of the helo_data option from the smtp transport
641 instead - this is what is used when a message is actually being sent. If
642 there is no remote transport (possible with a router that sets up host
643 addresses), $smtp_active_hostname is used.
6ea85e9a 644
14aa5a05 645PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 646 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
647 (a) The code assumed that strncpy() returns a negative number on buffer
648 overflow, which isn't the case. Replaced with Exim's string_format()
649 function.
650 (b) There were several signed/unsigned issues. I just did the minimum
651 hacking in of casts. There is scope for a larger refactoring.
652 (c) The code used strcasecmp() which is not a standard C function.
653 Replaced with Exim's strcmpic() function.
654 (d) The code set only $1; it now sets $auth1 as well.
655 (e) A simple test gave the error "authentication client didn't specify
656 service in request". It would seem that Dovecot has changed its
657 interface. Fortunately there's a specification; I followed it and
658 changed what the client sends and it appears to be working now.
659
ff75a1f7
PH
660PH/13 Added $message_headers_raw to provide the headers without RFC 2047
661 decoding.
662
e6f6568e
PH
663PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
664 address A is aliased to B and C, where B exists and C does not. Without
665 -v the output is "A verified" because verification stops after a
666 successful redirection if more than one address is generated. However,
667 with -v the child addresses are also verified. Exim was outputting "A
668 failed to verify" and then showing the successful verification for C,
669 with its parentage. It now outputs "B failed to verify", showing B's
670 parentage before showing the successful verification of C.
671
d6f6e0dc
PH
672PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
673 look up a TXT record in a specific list after matching in a combined
674 list.
675
322050c2
PH
676PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
677 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
678 they consult the DNS. I had assumed they would set it the way they
679 wanted; and indeed my experiments on Linux seem to show that in some
680 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
681 To be on the safe side, however, I have now made the interface to
682 host_find_byname() similar to host_find_bydns(), with an argument
683 containing the DNS resolver options. The host_find_byname() function now
684 sets these options at its start, just as host_find_bydns() does. The smtp
685 transport options dns_qualify_single and dns_search_parents are passed to
686 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
687 of host_find_byname() use the default settings of RES_DEFNAMES
688 (qualify_single) but not RES_DNSRCH (search_parents).
689
08955dd3
PH
690PH/17 Applied (a modified version of) Nico Erfurth's patch to make
691 spool_read_header() do less string testing, by means of a preliminary
692 switch on the second character of optional "-foo" lines. (This is
693 overdue, caused by the large number of possibilities that now exist.
694 Originally there were few.) While I was there, I also converted the
695 str(n)cmp tests so they don't re-test the leading "-" and the first
696 character, in the hope this might squeeze out yet more improvement.
697
1eccaa59
PH
698PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
699 flag allowing group syntax was set by the header_syntax check but not
700 turned off, possible causing trouble later; (2) The flag was not being
701 set at all for the header_verify test, causing "group"-style headers to
702 be rejected. I have now set it in this case, and also caused header_
703 verify to ignore an empty address taken from a group. While doing this, I
704 came across some other cases where the code for allowing group syntax
705 while scanning a header line wasn't quite right (mostly, not resetting
706 the flag correctly in the right place). These bugs could have caused
707 trouble for malformed header lines. I hope it is now all correct.
708
602e59e5
PH
709PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
710 with the "reply" argument non-NULL. The code, however (which originally
711 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
712 but it didn't always do it. This confused somebody who was copying the
713 code for some other use. I have removed all the tests.
714
411ef850
PH
715PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
716 feature that was used to support insecure browsers during the U.S. crypto
717 embargo. It requires special client support, and Exim is probably the
718 only MTA that supported it -- and would never use it because real RSA is
719 always available. This code has been removed, because it had the bad
720 effect of slowing Exim down by computing (never used) parameters for the
721 RSA_EXPORT functionality.
722
7befa435
PH
723PH/21 On the advice of Timo Sirainen, added a check to the dovecot
724 authenticator to fail if there's a tab character in the incoming data
725 (there should never be unless someone is messing about, as it's supposed
726 to be base64-encoded). Also added, on Timo's advice, the "secured" option
727 if the connection is using TLS or if the remote IP is the same as the
728 local IP, and the "valid-client-cert option" if a client certificate has
729 been verified.
730
48da4259 731PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
732 authenticators. This can be used for authorization after authentication
733 succeeds. (In the case of plaintext, it servers for both authentication
734 and authorization.)
735
48da4259
PH
736PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
737 if any retry times were supplied.
738
d1d5595c
PH
739PH/24 Exim crashed if verify=helo was activated during an incoming -bs
740 connection, where there is no client IP address to check. In this
741 situation, the verify now always succeeds.
742
0ef732d9
PH
743PH/25 Applied John Jetmore's -Mset patch.
744
328895cc
PH
745PH/26 Added -bem to be like -Mset, but loading a message from a file.
746
fd700877
PH
747PH/27 In a string expansion for a processed (not raw) header when multiple
748 headers of the same name were present, leading whitespace was being
749 removed from all of them, but trailing whitespace was being removed only
750 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
751 before concatenation. Completely empty headers in a concatenation (as
752 before) are ignored.
fd700877 753
8dce1a6f
PH
754PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
755 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
756
17af4a17
PH
757PH/29 [Removed. This was a change that I later backed out, and forgot to
758 correct the ChangeLog entry (that I had efficiently created) before
759 committing the later change.]
f6c332bd
PH
760
761PH/30 Exim was sometimes attempting to deliver messages that had suffered
762 address errors (4xx response to RCPT) over the same connection as other
763 messages routed to the same hosts. Such deliveries are always "forced",
764 so retry times are not inspected. This resulted in far too many retries
765 for the affected addresses. The effect occurred only when there were more
766 hosts than the hosts_max_try setting in the smtp transport when it had
767 the 4xx errors. Those hosts that it had tried were not added to the list
768 of hosts for which the message was waiting, so if all were tried, there
769 was no problem. Two fixes have been applied:
770
771 (i) If there are any address or message errors in an SMTP delivery, none
772 of the hosts (tried or untried) are now added to the list of hosts
773 for which the message is waiting, so the message should not be a
774 candidate for sending over the same connection that was used for a
775 successful delivery of some other message. This seems entirely
776 reasonable: after all the message is NOT "waiting for some host".
777 This is so "obvious" that I'm not sure why it wasn't done
778 previously. Hope I haven't missed anything, but it can't do any
779 harm, as the worst effect is to miss an optimization.
780
781 (ii) If, despite (i), such a delivery is accidentally attempted, the
782 routing retry time is respected, so at least it doesn't keep
783 hammering the server.
784
c1114884
PH
785PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
786 in ${readsocket because some servers need this prod.
787
7a0743eb
PH
788PH/32 Added some extra debug output when updating a wait-xxx database.
789
0d85fa3f
PH
790PH/33 The hint "could be header name not terminated by colon", which has been
791 given for certain expansion errors for a long time, was not being given
792 for the ${if def:h_colon_omitted{... case.
793
1bf43b78
PH
794PH/34 The spec says: "With one important exception, whenever a domain list is
795 being scanned, $domain contains the subject domain." There was at least
796 one case where this was not true.
797
520de300
PH
798PH/35 The error "getsockname() failed: connection reset by peer" was being
799 written to the panic log as well as the main log, but it isn't really
800 panic-worthy as it just means the connection died rather early on. I have
801 removed the panic log writing for the ECONNRESET error when getsockname()
802 fails.
803
48c7f9e2
PH
804PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
805 runs only) independently of the message's sender address. This meant
806 that, if the 4xx error was in fact related to the sender, a different
807 message to the same recipient with a different sender could confuse
808 things. In particualar, this can happen when sending to a greylisting
809 server, but other circumstances could also provoke similar problems.
810 I have changed the default so that the retry time for these errors is now
811 based a combination of the sender and recipient addresses. This change
812 can be overridden by setting address_retry_include_sender=false in the
813 smtp transport.
814
99ea1c86
PH
815PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
816 remote server are returned as part of bounce messages. This was not
817 happening for LMTP over a pipe (the lmtp transport), but now it is the
818 same for both kinds of LMTP.
819
a2042e78
PH
820PH/38 Despite being documented as not happening, Exim was rewriting addresses
821 in header lines that were in fact CNAMEs. This is no longer the case.
822
4fbcfc2e
PH
823PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
824 and queue runs started by the daemon processed all messages. This has
825 been fixed so that -R and -S can now usefully be given with -q<time>.
826
aa41d2de
PH
827PH/40 Import PCRE release 6.7 (fixes some bugs).
828
af561417
PH
829PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
830
3cc66b45
PH
831PH/42 Give an error if -q is specified more than once.
832
194cc0e4
PH
833PH/43 Renamed the variables $interface_address and $interface_port as
834 $received_ip_address and $received_port, to make it clear that these
835 values apply to message reception, and not to the outgoing interface when
836 a message is delivered. (The old names remain recognized, of course.)
837
a401ddaa
PH
838PH/44 There was no timeout on the connect() call when using a Unix domain
839 socket in the ${readsocket expansion. There now is.
840
4e88a19f
PH
841PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
842 be meaningful with "accept".
843
d7d7b289
SC
844SC/01 Eximstats V1.43
845 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
846
847SC/02 Eximstats V1.44
848 Use a glob alias rather than an array ref in the generated
849 parser. This improves both readability and performance.
850
851SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
852 Collect SpamAssassin and rejection statistics.
853 Don't display local sender or destination tables unless
854 there is data to show.
855 Added average volumes into the top table text output.
856
857SC/04 Eximstats V1.46
858 Collect data on the number of addresses (recipients)
859 as well as the number of messages.
860
861SC/05 Eximstats V1.47
862 Added 'Message too big' to the list of mail rejection
863 reasons (thanks to Marco Gaiarin).
864
865SC/06 Eximstats V1.48
866 Mainlog lines which have GMT offsets and are too short to
867 have a flag are now skipped.
868
869SC/07 Eximstats V1.49 (Alain Williams)
870 Added the -emptyok flag.
871
872SC/08 Eximstats V1.50
873 Fixes for obtaining the IP address from reject messages.
874
0ea2a468
JJ
875JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
876 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
877 whitesspace changes from 4.64-PH/27
878
879JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
880 match 4.64-PH/13
881
882JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
883 are found, allow negative numbers in numeric criteria)
884
885JJ/06 exipick.20061117.2, added new $message_body_missing variable
886
887JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
888 to match changes made in 4.64-PH/43
889
8a10f5a4
PH
890PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
891
30e18802
PH
892PH/47 Put in an explicit test for a DNS lookup of an address record where the
893 "domain" is actually an IP address, and force a failure. This locks out
894 those revolvers/nameservers that support "A-for-A" lookups, in
895 contravention of the specifications.
896
55728a4f
PH
897PH/48 When a host name was looked up from an IP address, and the subsequent
898 forward lookup of the name timed out, the host name was left in
899 $sender_host_name, contrary to the specification.
d7d7b289 900
d7837193
PH
901PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
902 restricted to single-key lookups, Exim was not diagnosing an error if
903 * or *@ was used with a query-style lookup.
904
87054a31
PH
905PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
906
ea2c01d2
MH
907MH/01 local_scan ABI version incremented to 1.1. It should have been updated
908 long ago, but noone interested enough thought of it. Let's just say that
909 the "1.1" means that there are some new functions that weren't there at
910 some point in the past.
911
e4fa6968
PH
912PH/51 Error processing for expansion failure of helo_data from an smtp
913 transport during callout processing was broken.
914
56f5d9bd
PH
915PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
916 tested/used via the -bh/-bhc/-bs options.
917
922e1c28
PH
918PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
919 bug, fixed in subsequent PCRE releases).
920
21eb6e72
PH
921PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
922 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
923
a0540757
PH
924PH/55 Check for a ridiculously long file name in exim_dbmbuild.
925
944e9e9c 926
478be7b0
SC
927Exim version 4.63
928-----------------
929
930SC/01 Use a glob alias rather than an array ref in eximstats generated
931 parser. This improves both readability and performance.
932
933SC/02 Collect SpamAssassin and rejection statistics in eximstats.
934 Don't display local sender or destination tables in eximstats unless
935 there is data to show.
936 Added average volumes into the eximstats top table text output.
937
938SC/03 Collect data on the number of addresses (recipients) as well
939 as the number of messages in eximstats.
940
2b965a65
TF
941TF/01 Correct an error in the documentation for the redirect router. Exim
942 does (usually) call initgroups() when daemonizing.
478be7b0 943
45b91596
PH
944TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
945 with consistent privilege compared to when running as a daemon.
478be7b0 946
c59f5781
TF
947TF/03 Note in the spec that $authenticated_id is not set for local
948 submissions from trusted users.
949
90fc3069
TF
950TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
951 Thanks to Dean Brooks <dean@iglou.com> for the patch.
952
6083aca0
TF
953TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
954 by adding some example configuration directives to the default
955 configuration file. A little bit of work is required to uncomment the
956 directives and define how usernames and passwords are checked, but
957 there is now a framework to start from.
958
765b530f
PH
959PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
960 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
961 without this. I don't know how relevant this is to other LDAP libraries.
962
4e167a8c
PH
963PH/02 Add the verb name to the "unknown ACL verb" error.
964
4608d683
PH
965PH/03 Magnus Holmgren's patch for filter_prepend_home.
966
b8dc3e4a
PH
967PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
968
5418e93b
PH
969PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
970 directory not expanded when it should be if an expanded home directory
971 was set for the address (which is overridden by the transport).
972
b4a9bda2
PH
973PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
974 libradius.
975
45b91596
PH
976PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
977 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
978 because it is too late at that time, and has no effect.
979
5547e2c5
PH
980PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
981 security issue with \' (bugzilla #107). I could not use the
982 PQescapeStringConn() function, because it needs a PGconn value as one of
983 its arguments.
984
dbcef0ea
PH
985PH/08 When testing addresses using -bt, indicate those final addresses that
986 are duplicates that would not cause an additional delivery. At least one
987 person was confused, thinking that -bt output corresponded to deliveries.
988 (Suppressing duplicates isn't a good idea as you lose the information
989 about possibly different redirections that led to the duplicates.)
990
25257489
PH
991PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
992 systems where poll() doesn't work, in particular OS X.
993
c816d124
PH
994PH/10 Added more information to debugging output for retry time not reached.
995
a9ccd69a
PH
996PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
997 operations in malware.c.
998
75fa1910
PH
999PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1000 signatures.
1001
a7d7aa58
PH
1002PH/13 If write_rejectlog was set false when logging was sent to syslog with
1003 syslog_duplication set false, log lines that would normally be written
1004 both the the main log and to the reject log were not written to syslog at
1005 all.
1006
42119b09
PH
1007PH/14 In the default configuration, change the use of "message" in ACL warn
1008 statements to "add_header".
1009
41609df5
PH
1010PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1011 not followed by a command (e.g. "seen endif").
1012
a5bd321b
PH
1013PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1014 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1015 latter.
1016
e85a7ad5 1017PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1018 so that it is now:
1019
e85a7ad5
PH
1020 ${if or { \
1021 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1022 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1023 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1024 }{no}{yes}}
1025
e85a7ad5
PH
1026 The Auto-Submitted: and various List- headers are standardised, whereas I
1027 don't think Precedence: ever was.
5dff5817 1028
d8fe1c03
PH
1029PH/18 Refactored debugging code in route_finduser() to show more information,
1030 in particular, the error code if getpwnam() issues one.
1031
16282d2b
PH
1032PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1033 This is apparently needed in addition to the PH/07 change above to avoid
1034 any possible encoding problems.
1035
35d40a98
PH
1036PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1037 but not after initializing Perl.
1038
034d99ab
PH
1039PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1040 output them only if debugging. By default they are written stderr,
1041 apparently, which is not desirable.
1042
6ec97b1b
PH
1043PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1044 queries.
1045
e22ca4ac
JJ
1046JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1047 --not options
1048
1049JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1050
33d73e3b
PH
1051PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1052 authenticated or an ident call has been made. Suppress the default
1053 values for $authenticated_id and $authenticated_sender (but permit -oMai
1054 and -oMas) when testing with -bh.
1055
9ecb03f3
PH
1056PH/24 Re-jigged the order of the tests in the default configuration so that the
1057 tests for valid domains and recipients precede the DNS black list and CSA
1058 tests, on the grounds that those ones are more expensive.
1059
084efe8d
PH
1060PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1061 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1062 This bug exists in every version of Exim that I still have, right back to
1063 0.12.
1064
366fc9f0
PH
1065PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1066 However, an attempt to turn on case-sensitivity in a regex key by
1067 including (?-i) didn't work because the subject string was already
1068 lowercased, and the effects were non-intuitive. It turns out that a
1069 one-line patch can be used to allow (?-i) to work as expected.
1070
c59f5781 1071
c887c79e
TF
1072Exim version 4.62
1073-----------------
1074
1075TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1076 other effects) broke the use of negated acl sub-conditions.
1077
1cce3af8
PH
1078PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1079 patch).
1080
afb3eaaf
PH
1081PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1082 "Deny" causes Exim to reject the incoming connection with a 554 error.
1083 Unfortunately, if there is a major crisis, such as a disk failure,
1084 tcp-wrappers gives "deny", whereas what one would like would be some
1085 kind of temporary error. A kludge has been added to help with this.
1086 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1087 554 error is used if errno is still zero or contains ENOENT (which occurs
1088 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1089 451 error is used.
1090
e173618b
PH
1091PH/03 Add -lutil to the default FreeBSD LIBS setting.
1092
dd16e114
PH
1093PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1094 errors. Otherwise a message that provokes a temporary error (when other
1095 messages do not) can cause a whole host to time out.
1096
f7fd3850
PH
1097PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1098 addresses were routed directly to files or pipes from a redirect router.
1099 File deliveries just didn't batch; pipe deliveries might have suffered
1100 odd errors.
1101
d87df92c
PH
1102PH/06 A failure to get a lock for a hints database would erroneously always say
1103 "Failed to get write lock", even when it was really a read lock.
1104
7e9f683d
PH
1105PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1106 of 0600. This has been changed to use the value of the lockfile_mode
1107 option (which defaults to 0600).
1108
bfad5236
PH
1109PH/08 Applied small patch from the Sieve maintainer.
1110
01c490df
PH
1111PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1112 folder from quota calculations, a direct delivery into this folder messed
1113 up the contents of the maildirsize file. This was because the regex was
1114 used only to exclude .Trash (or whatever) when the size of the mailbox
1115 was calculated. There was no check that a delivery was happening into an
1116 excluded directory. This bug has been fixed by ignoring all quota
1117 processing for deliveries into excluded directories.
1118
d6629cdc
PH
1119PH/10 Added the maildirfolder_create_regex option to appendfile.
1120
1cce3af8 1121
214e2000
PH
1122Exim version 4.61
1123-----------------
1124
1125PH/01 The code for finding all the local interface addresses on a FreeBSD
1126 system running IPv6 was broken. This may well have applied to all BSD
1127 systems, as well as to others that have similar system calls. The broken
1128 code found IPv4 interfaces correctly, but gave incorrect values for the
1129 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1130 that it would not match correctly against @[] and not recognize the IPv6
1131 addresses as local.
1132
f9daeae0
PH
1133PH/02 The ipliteral router was not recognizing addresses of the form user@
1134 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1135
7e66e54d
PH
1136PH/03 Added disable_ipv6.
1137
c8ea1597
PH
1138PH/04 Changed $reply_address to use the raw form of the headers instead of the
1139 decoded form, because it is most often used to construct To: headers
1140 lines in autoreplies, and the decoded form may well be syntactically
1141 invalid. However, $reply_address has leading white space removed, and all
1142 newlines turned into spaces so that the autoreply transport does not
1143 grumble.
1144
911f6fde
PH
1145PH/05 If group was specified without a user on a router, and no group or user
1146 was specified on a transport, the group from the router was ignored.
1147
47ca6d6c
PH
1148PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1149 for visible compile-time settings that can be used to change these
1150 numbers, for those that want even more. Backwards compatibility with old
1151 spool files has been maintained. However, going back to a previous Exim
1152 release will lost any variables that are in spool files.
1153
ed0e9820
PH
1154PH/07 Two small changes when running in the test harness: increase delay when
1155 passing a TCP/IP connection to a new process, in case the original
1156 process has to generate a bounce, and remove special handling of
1157 127.0.0.2 (sic), which is no longer necessary.
1158
eff37e47
PH
1159PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1160 be the same on different OS.
1161
1921d2ea
PH
1162PH/09 Moved a debug statement in filter processing to avoid a race problem when
1163 testing.
1164
b3f69ca8
JJ
1165JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1166 whether --show-vars was specified or not
1167
1168JJ/02 exipick: Added support for new ACL variable spool format introduced
1169 in 4.61-PH/06
1170
424a1c63
PH
1171PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1172 syntactically invalid From: or Reply-to: line, and a filter used this to
1173 generate an autoreply, and therefore failed to obtain an address for the
1174 autoreply, Exim could try to deliver to a non-existent relative file
1175 name, causing unrelated and misleading errors. What now happens is that
1176 it logs this as a hard delivery error, but does not attempt to create a
1177 bounce message.
1178
7a100415
PH
1179PH/11 The exinext utility has a -C option for testing purposes, but although
1180 the given file was scanned by exinext itself; it wasn't being passed on
1181 when Exim was called.
1182
19b9dc85
PH
1183PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1184 an end-of-file indication when reading a command response.
1185
309bd837
PH
1186PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1187 compiled. In many other places in Exim, IPv6 addresses are always
1188 recognized, so I have changed this. It also means that IPv4 domain
1189 literals of the form [IPV4:n.n.n.n] are now always recognized.
1190
59e82a2a
PH
1191PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1192 used if the router is not running as root, for example, when verifying at
1193 ACL time, or when using -bh. The debugging output from this situation was
1194 non-existent - all you got was a failure to exec. I have made two
1195 changes:
1196
1197 (a) Failures to set uid/gid, the current directory, or a process leader
1198 in a subprocess such as that created by queryprogram now generate
1199 suitable debugging ouput when -d is set.
1200
1201 (b) The queryprogram router detects when it is not running as root,
1202 outputs suitable debugging information if -d is set, and then runs
1203 the subprocess without attempting to change uid/gid.
1204
9edc04ce
PH
1205PH/15 Minor change to Makefile for building test_host (undocumented testing
1206 feature).
1207
1349e1e5
PH
1208PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1209 additional section of a DNS packet that returns MX or SRV records.
1210 Instead, it always explicitly searches for A/AAAA records. This avoids
1211 major problems that occur when a DNS server includes only records of one
1212 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1213 fixed another bug: if SRV records were looked up and the corresponding
1214 address records were *not* found in the additional section, the port
1215 values from the SRV records were lost.
1216
ea49d0e1
PH
1217PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1218 using the correct key (the original address) when searching the retry
1219 rules in order to find which one to use for generating the retry hint.
1220
064a94c9
PH
1221PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1222 adding the default one. Similarly, if it contains a Reply-To: header, the
1223 errors_reply_to option, if set, is not used.
1224
727071f8
PH
1225PH/19 When calculating a retry time, Exim used to measure the "time since
1226 failure" by looking at the "first failed" field in the retry record. Now
1227 it does not use this if it is later than than the arrival time of the
1228 message. Instead it uses the arrival time. This makes for better
1229 behaviour in cases where some deliveries succeed, thus re-setting the
1230 "first failed" field. An example is a quota failure for a huge message
1231 when small messages continue to be delivered. Without this change, the
1232 "time since failure" will always be short, possible causing more frequent
1233 delivery attempts for the huge message than are intended.
dd16e114 1234 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1235
f78eb7c6
PH
1236PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1237 $1, $2, $3) because the numerical variables can be reset during some
1238 expansion items (e.g. "match"), thereby losing the authentication data.
1239
21c28500
PH
1240PH/21 Make -bV show the size of off_t variables so that the test suite can
1241 decide whether to run tests for quotas > 2G.
1242
1243PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1244 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1245 filecount value is greater than 2G or if a quota value is greater than 2G
1246 on a system where the size of off_t is not greater than 4, a panic error
1247 is given.
1248
1688f43b
PH
1249PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1250 never match. The debug and -bh output now contains an explicit error
1251 message indicating a malformed IPv4 address or mask.
1252
1253PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1254 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1255 PH/23 above applies.
1256
9675b384
PH
1257PH/25 Do not write to syslog when running in the test harness. The only
1258 occasion when this arises is a failure to open the main or panic logs
1259 (for which there is an explicit test).
1260
6a3f1455
PH
1261PH/26 Added the /no_tell option to "control=freeze".
1262
dac79d3e
PH
1263PH/27 If a host name lookup failed very early in a connection, for example, if
1264 the IP address matched host_lookup and the reverse lookup yielded a name
1265 that did not have a forward lookup, an error message of the form "no IP
1266 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1267 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1268
5977a0b3
PH
1269PH/28 An enabling patch from MH: add new function child_open_exim2() which
1270 allows the sender and the authenticated sender to be set when
1271 submitting a message from within Exim. Since child_open_exim() is
1272 documented for local_scan(), the new function should be too.
1273
c91535f3
PH
1274PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1275 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1276 results in an empty string is now treated as unset.
1277
0d46a8c8
PH
1278PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1279
278c6e6c
PH
1280PH/31 Added sender_verify_fail logging option.
1281
2cbb4081
PH
1282PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1283 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1284 tidied the source and removed it altogether.
1285
3eef829e
PH
1286PH/33 When a queue run was abandoned because the load average was too high, a
1287 log line was always written; now it is written only if the queue_run log
1288 selector is set. In addition, the log line for abandonment now contains
1289 information about the queue run such as the pid. This is always present
1290 in "start" and "stop" lines but was omitted from the "abandon" line.
1291
1ab95fa6
PH
1292PH/34 Omit spaces between a header name and the colon in the error message that
1293 is given when verify = headers_syntax fails (if there are lots of them,
1294 the message gets confusing).
1295
230205fc
PH
1296PH/35 Change the default for dns_check_names_pattern to allow slashes within
1297 names, as there are now some PTR records that contain slashes. This check
1298 is only to protect against broken name servers that fall over on strange
1299 characters, so the fact that it applies to all lookups doesn't matter.
1300
75e0e026
PH
1301PH/36 Now that the new test suite is complete, we can remove some of the
1302 special code in Exim that was needed for the old test suite. For example,
1303 sorting DNS records because real resolvers return them in an arbitrary
1304 order. The new test suite's fake resolver always returns records in the
1305 same order.
1306
1307PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1308 bounces) except when queue_only is set, to avoid logging races between
1309 the different processes.
1310
145396a6
PH
1311PH/38 Panic-die if .include specifies a non-absolute path.
1312
3cd34f13
PH
1313PH/39 A tweak to the "H" retry rule from its user.
1314
11121d3d
JJ
1315JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1316 a label. They prevented compilation on older perls.
1317
1318JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1319 a warning to be raised on newish perls.
1320
1321JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1322 on queue. Changes to match documented behaviour of showing count of
1323 messages matching specified criteria.
1324
8def5aaf
PH
1325PH/40 Changed the default ident timeout from 30s to 5s.
1326
929ba01c
PH
1327PH/41 Added support for the use of login_cap features, on those BSD systems
1328 that have them, for controlling the resources used by pipe deliveries.
1329
2632889e
PH
1330PH/42 The content-scanning code uses fopen() to create files in which to put
1331 message data. Previously it was not paying any attention to the mode of
1332 the files. Exim runs with umask(0) because the rest of the code creates
1333 files with open(), and sets the required mode explicitly. Thus, these
1334 files were ending up world-writeable. This was not a big issue, because,
1335 being within the spool directory, they were not world-accessible. I have
1336 created a function called modefopen, which takes an additional mode
1337 argument. It sets umask(777), creates the file, chmods it to the required
1338 mode, then resets the umask. All the relevant calls to fopen() in the
1339 content scanning code have been changed to use this function.
1340
944a9c55
PH
1341PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1342 to 24 hours. This avoids potential overflow problems when processing G
1343 and H retry rules. I suspect nobody ever tinkers with this value.
1344
4a23603b
PH
1345PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1346
4730f942
PH
1347PH/45 When the plaintext authenticator is running as a client, the server's
1348 challenges are checked to ensure they are valid base64 strings. By
1349 default, the authentication attempt is cancelled if an invalid string is
1350 received. Setting client_ignore_invalid_base64 true ignores these errors.
1351 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1352 they are received. Thus, the responses can be made to depend on the
1353 challenges. If an invalid string is ignored, an empty string is placed in
1354 the variable.
1355
30dba1e6
PH
1356PH/46 Messages that are created by the autoreply transport now contains a
1357 References: header, in accordance with RFCs 2822 and 3834.
1358
382afc6b
PH
1359PH/47 Added authenticated_sender_force to the smtp transport.
1360
a86229cf
PH
1361PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1362
50c99ba6
PH
1363PH/49 Installed latest patch from the Sieve maintainer.
1364
d35e429d
PH
1365PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1366 was also set, the appendfile transport was unnecessarily scanning a
1367 directory of message files (e.g. for maildir delivery) to find the count
1368 of files (along with the size), even though it did not need this
1369 information. It now does the scan only if it needs to find either the
1370 size of the count of files.
1371
f90d018c
PH
1372PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1373
75def545
PH
1374PH/52 Two bugs concerned with error handling when the smtp transport is
1375 used in LMTP mode:
1376
1377 (i) Exim was not creating retry information for temporary errors given
1378 for individual recipients after the DATA command when the smtp transport
1379 was used in LMTP mode. This meant that they could be retried too
1380 frequently, and not timed out correctly.
1381
1382 (ii) Exim was setting the flag that allows error details to be returned
1383 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1384 recipients that were returned after the DATA command.
1385
1386PH/53 This is related to PH/52, but is more general: for any failing address,
1387 when detailed error information was permitted to be returned to the
1388 sender, but the error was temporary, then after the final timeout, only
1389 "retry timeout exceeded" was returned. Now it returns the full error as
1390 well as "retry timeout exceeded".
1391
c46782ef
PH
1392PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1393 do this, and (what is worse) MTAs that accept it.
1394
71fafd95
PH
1395PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1396 will now be deprecated.
1397
2c5db4fd
PH
1398PH/56 New os.c-cygwin from the Cygwin maintainer.
1399
9cf6b11a
JJ
1400JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1401 formats (previously only available in exim formats via -bpr, -bpru,
1402 and -bpra. Now also available in native and exiqgrep formats)
1403
1404JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1405 with very large, slow to parse queues
1406
1407JJ/08 exipick: added ! as generic prefix to negate any criteria format
1408
1409JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1410
898d150f
PH
1411PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1412 responses to authentication challenges, though it was showing the
1413 challenges; (ii) I've removed the CR characters from the debug output for
1414 SMTP output lines.
1415
46218253
PH
1416PH/58 Allow for the insertion of a newline as well as a space when a string
1417 is turned into more than one encoded-word during RFC 2047 encoding. The
1418 Sieve code now uses this.
1419
e97957bc
PH
1420PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1421 data_4xx, lost_connection, tls_required.
1422
81e509d7
PH
1423PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1424 message was being sent as an SMTP response.
1425
3d240ff7
PH
1426PH/61 Add -l and -k options to exicyclog.
1427
b37c4101
PH
1428PH/62 When verifying, if an address was redirected to one new address, so that
1429 verification continued, and the new address failed or deferred after
1430 having set something in $address_data, the value of $address_data was not
1431 passed back to the ACL. This was different to the case when no
1432 redirection occurred. The value is now passed back in both cases.
1433
79378e0f
PH
1434PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1435 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1436 use login_cap.h, so on its own it isn't the distinguishing feature. The
1437 new name refers directly to the setclassresources() function.
1438
e49c7bb4
PH
1439PH/65 Added configuration files for NetBSD3.
1440
d114ec46
PH
1441PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1442
f3d7df6c
PH
1443PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1444 is preferred over IPv4.
1445
715ab376
PH
1446PH/68 The bounce_return_message and bounce_return_body options were not being
1447 honoured for bounces generated during the reception of non-SMTP messages.
1448 In particular, this applied to messages rejected by the ACL. This bug has
1449 been fixed. However, if bounce_return_message is true and bounce_return_
1450 body is false, the headers that are returned for a non-SMTP message
1451 include only those that have been read before the error was detected.
1452 (In the case of an ACL rejection, they have all been read.)
1453
6b31b150
PH
1454PH/69 The HTML version of the specification is now built in a directory called
1455 spec_html instead of spec.html, because the latter looks like a path with
1456 a MIME-type, and this confuses some software.
1457
1458PH/70 Catch two compiler warnings in sieve.c.
1459
d515a917
PH
1460PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1461 function verify_get_ident() calls ip_connect() to connect a socket, but
1462 if the "connect()" function timed out, ip_connect() used to close the
1463 socket. However, verify_get_ident() also closes the socket later, and in
1464 between Exim writes to the log, which may get opened at this point. When
1465 the socket was closed in ip_connect(), the log could get the same file
1466 descriptor number as the socket. This naturally causes chaos. The fix is
1467 not to close the socket in ip_connect(); the socket should be closed by
1468 the function that creates it. There was only one place in the code where
1469 this was missing, in the iplookup router, which I don't think anybody now
1470 uses, but I've fixed it anyway.
1471
9b8fadde
PH
1472PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1473 well as to direct DNS lookups. Otherwise the handling of names in host
1474 lists is inconsistent and therefore confusing.
1475
214e2000 1476
5de37277
PH
1477Exim version 4.60
1478-----------------
1479
cc38ddbf
PH
1480PH/01 Two changes to the default runtime configuration:
1481
1482 (1) Move the checks for relay_from_hosts and authenticated clients from
1483 after to before the (commented out) DNS black list checks.
1484
1485 (2) Add control=submission to the relay_from_hosts and authenticated
1486 clients checks, on the grounds that messages accepted by these
1487 statements are most likely to be submissions.
5de37277 1488
72fdd6ae
PH
1489PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1490
1491 (1) Generate an error if the third argument for the ${prvs expansion is
1492 not a single digit.
1493
1494 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1495 string.
1496
1497 (3) Reset the variables that are obtained from the first argument of
1498 ${prvscheck and used in the second argument before leaving the code,
1499 because their memory is reclaimed, so using them afterwards may do
1500 silly things.
1501
1502 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1503 one (it's much easier than Tom thought :-).
1504
1505 (5) Because of (4), we can now allow for the use of $prvscheck_result
1506 inside the third argument.
cb9328de 1507
cb741023
PH
1508PH/03 For some reason, the default setting of PATH when running a command from
1509 a pipe transport was just "/usr/bin". I have changed it to
1510 "/bin:/usr/bin".
1511
f174f16e
PH
1512PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1513 anything to be listed in the output from -bV.
b2f5a032 1514
c25242d7
PH
1515PH/05 When a filter generated an autoreply, the entire To: header line was
1516 quoted in the delivery log line, like this:
1517
1518 => >A.N.Other <ano@some.domain> <original@ddress> ...
1519
1520 This has been changed so that it extracts the operative address. There
1521 may be more than one such address. If so, they are comma-separated, like
1522 this:
1523
1524 => >ano@some.domain,ona@other.domain <original@ddress> ...
1525
82c19f95
PH
1526PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1527 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1528 not being looked up in the rDNS to get a host name, Exim was showing the
1529 IP address twice in Received: lines, even though the IP addresses were
1530 identical. For example:
1531
1532 Received: from [1.2.3.4] (helo=[1.2.3.4])
1533
1534 However, if the real host name was known, it was omitting the HELO data
1535 if it matched the actual IP address. This has been tidied up so that it
1536 doesn't show the same IP address twice.
1537
d7ffbc12
PH
1538PH/07 When both +timestamp and +memory debugging was on, the value given by
1539 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1540 called by the debug printing, thereby overwriting the timestamp buffer.
1541 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1542
9f526266
PH
1543PH/08 When the original message was included in an autoreply transport, it
1544 always said "this is a copy of the message, including all the headers",
1545 even if body_only or headers_only was set. It now gives an appropriate
1546 message.
1547
87fcc8b9
PH
1548PH/09 Applied a patch from the Sieve maintainer which:
1549
1550 o fixes some comments
1551 o adds the (disabled) notify extension core
1552 o adds some debug output for the result of if/elsif tests
1553 o points to the current vacation draft in the documentation
1554 and documents the missing references header update
1555
1556 and most important:
1557
1558 o fixes a bug in processing the envelope test (when testing
1559 multiple envelope elements, the last element determinted the
1560 result)
1561
456682f5
PH
1562PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1563 Electronic Mail") by including:
1564
1565 Auto-submitted: auto-generated
1566
1567 in the messages that it generates (bounce messages and others, such as
1568 warnings). In the case of bounce messages for non-SMTP mesages, there was
1569 also a typo: it was using "Auto_submitted" (underscore instead of
1570 hyphen). Since every message generated by Exim is necessarily in response
1571 to another message, thes have all been changed to:
1572
1573 Auto-Submitted: auto-replied
1574
1575 in accordance with these statements in the RFC:
1576
1577 The auto-replied keyword:
1578
1579 - SHOULD be used on messages sent in direct response to another
1580 message by an automatic process,
1581
1582 - MUST NOT be used on manually-generated messages,
1583
1584 - MAY be used on Delivery Status Notifications (DSNs) and Message
1585 Disposition Notifications (MDNs),
1586
1587 - MUST NOT be used on messages generated by automatic or periodic
1588 processes, except for messages which are automatic responses to
1589 other messages.
1590
3e46c1aa
PH
1591PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1592 to the default Received: header definition.
456682f5 1593
49826d12
PH
1594PH/12 Added log selector acl_warn_skipped (default on).
1595
eba0c039
PH
1596PH/13 After a successful wildlsearch lookup, discard the values of numeric
1597 variables because (a) they are in the wrong storage pool and (b) even if
1598 they were copied, it wouldn't work properly because of the caching.
1599
a0d6ba8a
PH
1600PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1601 checking when decoding. Apparently there are clients that generate
1602 overlong encoded strings. Why am I not surprised?
1603
f0917727
PH
1604PH/15 If the first argument of "${if match_address" was not empty, but did not
1605 contain an "@" character, Exim crashed. Now it writes a panic log message
1606 and treats the condition as false.
1607
096fee00
PH
1608PH/16 In autoreply, treat an empty string for "once" the same as unset.
1609
024bd3c2
PH
1610PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1611 extension "envelope-auth". The code is finished and in agreement with
1612 other implementations, but there is no documentation so far and in fact,
1613 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1614 not changing the active code.
1615
1616 Print executed "if" and "elsif" statements when debugging is used. This
1617 helps a great deal to understand what a filter does.
1618
1619 Document more things not specified clearly in RFC3028. I had all this
1620 sorted out, when out of a sudden new issues came to my mind. Oops."
1621
df199fec
PH
1622PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1623 (Bugzilla #53).
1624
d27f1df3
PH
1625PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1626 canonical form (as documented). However, after a host name lookup from
1627 the IP address, check_host() was doing a simple string comparison with
1628 addresses acquired from the DNS when checking that the found name did
1629 have the original IP as one of its addresses. Since any found IPv6
1630 addresses are likely to be in abbreviated form, the comparison could
1631 fail. Luckily, there already exists a function for doing the comparison
1632 by converting both addresses to binary, so now that is used instead of
1633 the text comparison.
1634
96776534
PH
1635PH/20 There was another similar case to PH/19, when a complete host name was
1636 given in a host list; looking up its IP address could give an abbreviated
1637 form, whereas the current host's name might or might not be abbreviated.
1638 The same fix has been applied.
1639
5de37277 1640
9a799bc0
PH
1641Exim version 4.54
1642-----------------
1643
1644PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1645 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1646 It now does.
1647
99a4b039
PH
1648PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1649 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1650
1651PH/03 Typo: missing ".o" in src/pcre/Makefile.
1652
4b233853
PH
1653PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1654 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1655 Also, for "Auto-Submitted", treat anything other than "no" as
1656 non-personal, in accordance with RFC 3834. (Previously it treated
1657 anything starting "auto-" as non-personal.)
1658
8857ccfd
PH
1659TF/01 The control=submission/name=... option had a problem with syntax
1660 errors if the name included a slash character. The /name= option
1661 now slurps the rest of the string, so it can include any characters
1662 but it must come last in the list of options (after /sender_retain
1663 or /domain=).
1664
433a2980
PH
1665PH/05 Some modifications to the interface to the fake nameserver for the new
1666 testing suite.
1667
3e46c1aa 1668
9a799bc0 1669
e3a311ba
TK
1670Exim version 4.53
1671-----------------
1672
1673TK/01 Added the "success_on_redirect" address verification option. See
1674 NewStuff for rationale and an example.
1675
13b685f9
PH
1676PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1677
395ff96d
PH
1678PH/02 Patch to exigrep to allow it to work on syslog lines.
1679
5b68f6e4
PH
1680PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1681 fread() to skip over the body file's header line, because in Cygwin the
1682 header line is locked and is inaccessible.
1683
1ab52c69
PH
1684PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1685 co-exist for some time) to make it clear that it is the Exim ID that is
1686 referenced, not the Message-ID: header line.
1687
b07e6aa3
PH
1688PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
1689 string_format() function, because snprintf() does not exist on all
1690 operating systems.
1691
254e032f
PH
1692PH/06 The use of forbid_filter_existstest now also locks out the use of the
1693 ${stat: expansion item.
1694
3af76a81
PH
1695PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
1696 protocol synchronization error", to keep the pedants happy.
1697
2548ba04
PH
1698PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
1699 well as for IRIX systems, when gcc is being used. See the host.c source
1700 file for comments.
1701
b6c6011d
PH
1702PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
1703
cf39cf57
PH
1704PH/10 Named domain lists were not working if used in a queue_smtp_domains
1705 setting.
1706
f1513293
PH
1707PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
1708 transport and to the smtp transport in LMTP mode.
1709
727549a4
PH
1710TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
1711
af46795e
PH
1712PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
1713 run a filter in a subprocess. This could lead to confusion in subsequent
1714 lookups in the parent process. There should also be a search_tidyup() at
1715 the end of the subprocess.
1716
d7b47fd0
PH
1717PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
1718 only if the host matched helo_try_verify_hosts, which caused the
1719 verification to occur when the EHLO/HELO command was issued. The ACL just
1720 tested the remembered result. Now, if a previous verification attempt has
1721 not happened, "verify = helo" does it there and then.
1722
ee744174
JJ
1723JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
1724
b582ab87
PH
1725TK/03 Fix log output including CR from clamd.
1726
41a13e0a
PH
1727PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
1728 exist provoked a memory error which could cause a segfault.
1729
f625cc5a
PH
1730PH/15 Installed PCRE 6.2
1731
1732PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
1733
21f7af35
PH
1734PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
1735 of the problem. Specifically, suggested +O2 rather than +O1 for the
1736 HP-UX compiler.
1737
31480e42
PH
1738PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
1739
2d280592
PH
1740PH/20 If a delivery was routed to a non-standard port by means of an SRV
1741 record, the port was not correctly logged when the outgoing_port log
1742 selector was set (it logged the transort's default port).
1743
7cd1141b
PH
1744PH/21 Added support for host-specific ports to manualroute, queryprogram,
1745 fallback_hosts, and "hosts" in the smtp transport.
1746
1747PH/22 If the log selector "outgoing_port" is set, the port is now also given on
1748 host errors such as "Connection refused".
1749
750af86e
PH
1750PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
1751 authentication with radiusclient 0.4.9:
1752
1753 - Error returned from rc_read_config was caught wrongly
1754 - Username/password not passed on to radius server due to wrong length.
1755
1756 The presumption is that some radiusclient API changes for 4.51/PH/17
1757 were not taken care of correctly. The code is still untested by me (my
1758 Linux distribution still has 0.3.2 of radiusclient), but it was
1759 contributed by a Radius user.
1760
1761PH/24 When doing a callout, the value of $domain wasn't set correctly when
1762 expanding the "port" option of the smtp transport.
1763
4304270b
TK
1764TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
1765 while reading a MIME header. Thanks to Tom Hughes for a patch.
1766
750af86e
PH
1767PH/24 Include config.h inside local_scan.h so that configuration settings are
1768 available.
1769
64ffc24f
PH
1770PH/25 Make $smtp_command_argument available after all SMTP commands. This means
1771 that in an ACL for RCPT (for example), you can examine exactly what was
1772 received.
1773
5dd9625b
PH
1774PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
1775 commands, but it was not correctly comparing the address with the actual
1776 client host address. Thus, it would show the EHLO address in Received:
1777 header lines when this was not necessary.
1778
5591031b
PH
1779PH/27 Added the % operator to ${eval:}.
1780
ba18e66a
PH
1781PH/28 Exim tries to create and chdir to its spool directory when it starts;
1782 it should be ignoring failures (because with -C, for example, it has lost
1783 privilege). It wasn't ignoring creation failures other than "already
1784 exists".
1785
9cec981f
PH
1786PH/29 Added "crypteq" to the list of supported features that Exim outputs when
1787 -bV or -d is used.
1788
aa2b5c79
PH
1789PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
1790 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
1791 too many continuations, the temporary file was not being removed, and the
1792 return code was incorrect.
aa2b5c79 1793
48a53b7f
PH
1794PH/31 Missing "BOOL" in function definition in filtertest.c.
1795
1c59d63b
PH
1796PH/32 Applied Sieve patches from the maintainer.
1797
671012da
TK
1798TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
1799
1509d3a8
PH
1800PH/33 Added "verify = not_blind".
1801
1802PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
1803 Local/Makefile (with some defaults set). These are used in built scripts
1804 such as exicyclog, but they have never been used in the exim_install
1805 script (though there are many overriding facilities there). I have
1806 arranged that the exim_install script now takes note of these two
1807 settings.
1808
1809PH/35 Installed configuration files for Dragonfly.
1810
2fe1a124
PH
1811PH/36 When a locally submitted message by a trusted user did not contain a
1812 From: header, and the sender address was obtained from -f or from an SMTP
1813 MAIL command, and the trusted user did not use -F to supply a sender
1814 name, $originator_name was incorrectly used when constructing a From:
1815 header. Furthermore, $originator_name was used for submission mode
1816 messages from external hosts without From: headers in a similar way,
1817 which is clearly wrong.
1818
8800895a
PH
1819PH/37 Added control=suppress_local_fixups.
1820
ccfdb010
PH
1821PH/38 When log_selector = +received_sender was set, and the addition of the
1822 sender made the log line's construction buffer exactly full, or one byte
1823 less than full, an overflow happened when the terminating "\n" was
1824 subsequently added.
1825
1130bfb0
PH
1826PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
1827 when the result of a list match is failure because a DNS lookup failed.
1828
ebcb507f
PH
1829PH/40 RM_COMMAND is now used in the building process.
1830
c35e155c
PH
1831PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
1832 the "build-* directories that it finds.
1833
95d1f782
PH
1834PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
1835 address in a domain literal was a prefix of an interface address.
1836
fd6de02e
PH
1837PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
1838 when verifying a sender address, unless rewrite_headers is false.
1839
58de37c5
PH
1840PH/44 Wrote a long comment about why errors_to addresses are verified as
1841 recipients, not senders.
1842
261cf466
TF
1843TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
1844 the ratelimit ACL was added.
1845
3ee512ff
PH
1846PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
1847
e08c430f
PH
1848PH/46 Added extra information about PostgreSQL errors to the error string.
1849
bef5a11f
PH
1850PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
1851 avoiding the need to install special zones in a real server. This is
1852 backwards compatible; if it can't find the fake resolver, it drops back.
1853 Thus, both old and new test suites can be run.
1854
7546de58
TF
1855TF/02 Added util/ratelimit.pl
1856
e5d5a95f
TF
1857TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
1858 clock is set back in time.
1859
2e88a017
TF
1860TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
1861 Candler <B.Candler@pobox.com>.
1862
a5f65aa4
TF
1863TF/05 The fix for PH/43 was not completely correct; widen_domains is always
1864 OK for addresses that are the result of redirections.
1865
e7726cbf
PH
1866PH/48 A number of further additions for the benefit of the new test suite,
1867 including a fake gethostbyname() that interfaces to the fake DNS resolver
1868 (see PH/47 above).
1869
a7fdad5b
TF
1870TF/06 The fix for widen_domains has also been applied to qualify_single and
1871 search_parents which are the other dnslookup options that can cause
1872 header rewrites.
1873
6af56900
PH
1874PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
1875 type ("H").
1876
0925ede6
PH
1877PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
1878
66afa403
TF
1879TF/07 Exim produced the error message "an SRV record indicated no SMTP
1880 service" if it encountered an MX record with an empty target hostname.
1881 The message is now "an MX or SRV record indicated no SMTP service".
1882
0154e85a
TF
1883TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
1884 if the DNS of the sending site is misconfigured. This is quite a
1885 common situation. This change restores the behaviour of treating a
1886 helo verification defer as a failure.
1887
16f12c76
PH
1888PH/51 If self=fail was set on a router, the bounce message did not include the
1889 actual error message.
1890
bbe902f0 1891
e5a9dba6
PH
1892Exim version 4.52
1893-----------------
1894
1895TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
1896
22c3b60b
PH
1897PH/01 When a transport filter timed out in a pipe delivery, and the pipe
1898 command itself ended in error, the underlying message about the transport
1899 filter timeout was being overwritten with the pipe command error. Now the
1900 underlying error message should be appended to the second error message.
1901
06a9b4b5
PH
1902TK/01 Fix poll() being unavailable on Mac OSX 10.2.
1903
c1ac6996
PH
1904PH/02 Reduce the amount of output that "make" produces by default. Full output
1905 can still be requested.
1906
9c7a242c
PH
1907PH/03 The warning log line about a condition test deferring for a "warn" verb
1908 was being output only once per connection, rather than after each
1909 occurrence (because it was using the same function as for successful
1910 "warn" verbs). This seems wrong, so I have changed it.
1911
87ba3f5f
PH
1912TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
1913 it should not have, which might have caused a crash in the right
1914 circumstances, but probably never did.
1915
1916PH/04 Installed a modified version of Tony Finch's patch to make submission
1917 mode fix the return path as well as the Sender: header line, and to
1918 add a /name= option so that you can make the user's friendly name appear
1919 in the header line.
1920
29aba418
TF
1921TF/03 Added the control = fakedefer ACL modifier.
1922
fe0dab11
TF
1923TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
1924 Mark Lowes for thorough testing.
870f6ba8 1925
11d337a4
TK
1926TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
1927
1928TK/03 Merged latest SRS patch from Miles Wilton.
1929
415c8f3b
PH
1930PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
1931 with the definition in sysexits.h (which is #included earlier).
1932 Fortunately, Exim does not actually use EX_OK. The code used to try to
1933 preserve the sysexits.h value, by assumimg that macro definitions were
1934 scanned for macro replacements. I have been disabused of this notion,
1935 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 1936
958541e9
PH
1937PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
1938 in the smtp transport. When a block could not be written in a single
1939 write() function, the timeout was being re-applied to each part-write.
1940 This seems wrong - if the receiver was accepting one byte at a time it
1941 would take for ever. The timeout is now adjusted when this happens. It
1942 doesn't have to be particularly precise.
1943
c206415f
TK
1944TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
1945 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
1946
2a4be8f9
PH
1947PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
1948 without a domain if the check to <postmaster@domain> fails.
1949
1cba11c5
SC
1950SC/01 Eximstats: added -xls and the ability to specify output files
1951 (patch written by Frank Heydlauf).
1952
1953SC/02 Eximstats: use FileHandles for outputing results.
1954
1955SC/03 Eximstats: allow any combination of xls, txt, and html output.
1956
1957SC/04 Eximstats: fixed display of large numbers with -nvr option
1958
1959SC/05 Eximstats: fixed merging of reports with empty tables.
1960
1961SC/06 Eximstats: added the -include_original_destination flag
1962
1963SC/07 Eximstats: removed tabs and trailing whitespace.
1964
1005d00e
TK
1965TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
1966
1967TK/06 MBOX spool code: Add real "From " MBOX separator line
1968 so the .eml file is really in mbox format (even though
1969 most programs do not really care). Patch from Alex Miller.
1970
1971TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
1972 The latter is generated from $received_to and is only set if the
1973 message has one envelope recipient. SA can use these headers,
1974 obviously out-of-the-box. Patch from Alex Miller.
1975
9b4768fa
PH
1976PH/08 The ${def test on a variable was returning false if the variable's
1977 value was "0", contrary to what the specification has always said!
1978 The result should be true unless the variable is empty.
1979
1980PH/09 The syntax error of a character other than { following "${if
1981 def:variable_name" (after optional whitespace) was not being diagnosed.
1982 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
1983 accidental colon was present, for example, could give incorrect results.
1984
0d7eb84a
PH
1985PH/10 Tidied the code in a number of places where the st_size field of a stat()
1986 result is used (not including appendfile, where other changes are about
1987 to be made).
1988
1989PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
1990 This involved changing a lot of size variables from int to off_t. It
1991 should work with maildirs and everything.
1992
40727bee
TK
1993TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
1994 spamd dying while we are connected to it.
1995
554d2369
TF
1996TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
1997 <jgh@wizmail.org>
1998
1f922db1
PH
1999PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2000 function for BDB 4.3.
2001
ef213c3b
PH
2002PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2003
8ac170f3
PH
2004PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2005 the sources for PCRE have been re-arranged and more files are now
2006 involved.
2007
b1c749bb
PH
2008PH/15 The code I had for printing potentially long long variables in PH/11
2009 above was not the best (it lost precision). The length of off_t variables
2010 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2011 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2012 to be "long long int" or "long int". This is needed for the internal
2013 formatting function string_vformat().
b1c749bb 2014
4aac9b49
PH
2015PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2016 the configuration file to be ":syslog", then the script "guesses" where
2017 the logs files are, rather than using the compiled in default. In our
2018 case the guess is not the same as the compiled default, so the script
2019 suddenly stopped working when I started to use syslog. The patch checks
2020 to see if log_file_path is "". If so, it attempts to read it from exim
2021 with no configuration file to get the compiled in version, before it
2022 falls back to the previous guessing code."
2023
294520c8
TK
2024TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2025 implementing BATV in an Exim configuration. See NewStuff for the gory
2026 details.
2027
5bd022fe
PH
2028PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2029 Makefile that are specific to HP-UX.
2030
90e9ce59
PH
2031PH/18 If the "use_postmaster" option was set for a recipient callout together
2032 with the "random" option, the postmaster address was used as the MAIL
2033 FROM address for the random test, but not for the subsequent recipient
2034 test. It is now used for both.
2035
5ea81592
PH
2036PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2037 patch removes a few documentation additions to RFC 3028, because the
2038 latest draft now contains them. It adds the new en;ascii-case comparator
2039 and a new error check for 8bit text in MIME parts. Comparator and
2040 require names are now matched exactly. I enabled the subaddress
2041 extension, but it is not well tested yet (read: it works for me)."
2042
c6c2dc1d
PH
2043PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2044 rework some of the code of TK/09 above to avoid the hardwired use of
2045 "%lld" and "long long". Replaced the call to snprintf() with a call to
2046 string_vformat().
2047
fffffe4c
PH
2048PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2049 records point to non-existent hosts", "retry timeout exceeded", and
2050 "retry time not reached for any host after a long failure period".
ca02eafb 2051
9a26b6b2
PH
2052PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2053 experimental DomainKeys support:
2054
2055 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2056 (2) On an error such as an illegally used "control", the wrong name for
2057 the control was given.
2058
2059 These problems did NOT occur unless DomainKeys support was compiled.
2060
4aee0225
PH
2061PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2062
32d668a5
PH
2063PH/24 Added ${if match_ip condition.
2064
8187c3f3
PH
2065PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2066 databases so that it will be absolutely obvious if a crash occurs in the
2067 DB library. This is a regular occurrence (often caused by mis-matched
2068 db.h files).
2069
ff790e47 2070PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2071 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2072 picked up on a user's system that detects such things. There doesn't seem
2073 to be a gcc warning option for this - only an attribute that has to be
2074 put on the function's prototype. It seems that in Fedora Core 4 they have
2075 set this on a number of new functions. No doubt there will be more in due
2076 course.
ff790e47 2077
5417f6d1
PH
2078PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2079 specify a transport. However, if an address that was verified by such a
2080 router was the subject of a callout, Exim crashed because it tried to
2081 read the rcpt_include_affixes from the non-existent transport. Now it
2082 just assumes that the setting of that option is false. This bug was
2083 introduced by 4.51/PH/31.
2084
59cf8544
PH
2085PH/28 Changed -d+all to exclude +memory, because that information is very
2086 rarely of interest, but it makes the output a lot bigger. People tend to
2087 do -d+all out of habit.
2088
e7ad8a65
PH
2089PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2090 code in os-type was giving problems when libc.so lives in lib64, like on
2091 x86_64 Fedora Core.
2092
ade42478
PH
2093PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2094 aren't the modern standard, and it seems that some systems' include files
2095 don't always have them. Exim was already checking for some of the newer
2096 ones like T_AAAA, and defining it itself. I've added checks for all the
2097 record types that Exim uses.
2098
182ad5cf
PH
2099PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2100 not automatically generating a new one, as it is supposed to. This
2101 prevented TLS from working. If the file did exist, but contained invalid
2102 data, a new version was generated, as expected. It was only the case of a
2103 non-existent file that was broken.
2104
b0d9fc80
TK
2105TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2106 with a change in libdomainkeys > 0.64.
2107
2108TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2109 from DNS. If the selector record carries the flag, it now has
2110 precedence over the domain-wide flag.
2111
2112TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2113
47c7a64a
PH
2114PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2115 the use of a port name that isn't defined in /etc/services) occurred, the
2116 message was deferred as in a normal delivery, and thus remained on the
2117 spool, instead of being failed because of the mua_wrapper setting. This
2118 is now fixed, and I tidied up some of the mua_wrapper messages at the
2119 same time.
2120
a388bce4
SC
2121SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2122 the messages in a hash of arrays rather than using individual hashes.
2123 This is a bit cleaner and results in dramatic memory savings, albeit
2124 at a slight CPU cost.
2125
2126SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2127 as requested by Marc Sherman.
2128
2129SC/10 Eximstats: added histograms for user specified patterns as requested
2130 by Marc Sherman.
2131
0793e4ed
SC
2132SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2133
c58b88df
PH
2134PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2135 fopen() in the content-scanning modules that did not already have it.
2136
e7ad8a65 2137
7982096b
PH
2138Exim version 4.51
2139-----------------
2140
1a46a8c5
PH
2141TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2142 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2143
2f079f46 2144TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2145
2146TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2147
2148PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2149 to test Sieve filters that use "vacation".
2150
2151PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2152 that changes the way the GnuTLS parameters are stored in the cache file.
2153 The new format can be generated externally. For backward compatibility,
2154 if the data in the cache doesn't make sense, Exim assumes it has read an
2155 old-format file, and it generates new data and writes a new file. This
2156 means that you can't go back to an older release without removing the
2157 file.
2158
2159PH/03 A redirect router that has both "unseen" and "one_time" set does not
2160 work if there are any delivery delays because "one_time" forces the
2161 parent to be marked "delivered", so its unseen clone is never tried
2162 again. For this reason, Exim now forbids the simultaneous setting of
2163 these two options.
2164
2165PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2166 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2167 entry if you want to know the details. The fix, however, neglected to
2168 consider the case when local delivery batching is involved. The test for
2169 "previously delivered" was not happening when checking to see if an
2170 address could be batched with a previous (undelivered) one; under
2171 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2172 address.
1a46a8c5
PH
2173
2174PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2175 in its include files, and this causes problems building Exim.
2176
2177PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2178 header_syntax) but Exim was just ignoring anything given after a slash.
2179 In particular, this caused confusion with an attempt to use "verify =
2180 reverse_host_lookup/defer_ok". An error is now given when options are
2181 supplied for verify items that do not have them. (Maybe reverse_host_
2182 lookup should have a defer_ok option, but that's a different point.)
2183
2184PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2185 defined by RFC 821) to 2048, because there were problems with some AUTH
2186 commands, and RFC 1869 says the size should be increased for extended
2187 SMTP commands that take arguments.
2188
2189PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2190 Finch).
2191
2192PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2193 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2194
49c2d5ea
PH
2195PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2196 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2197 whatever). Otherwise the password may appear in the log. Following change
2198 PH/42 below, there is no longer a chance of it appearing in a bounce
2199 message.
49c2d5ea 2200
bf759a8b
PH
2201PH/11 Installed exipick version 20050225.0 from John Jetmore.
2202
83364d30
PH
2203PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2204 of its addresses was ever tried. (Bugzilla bug #2.)
2205
7999bbd7
PH
2206PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2207 the result incorrectly in the debug output. (It correctly added a newline
2208 to what was transported.)
2209
7dbf77c9
PH
2210TF/01 Added $received_time.
2211
74e0617f
PH
2212PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2213 commented out examples of how to interface to a virus scanner and to
2214 SpamAssassin. Also added commented examples of av_scanner and
2215 spamd_address settings.
2216
2f079f46
PH
2217PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2218 and controls are allowed in which ACLs. There were a couple of minor
2219 errors. Some of the entries in the conditions table (which is a table of
2220 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2221 negation of where the condition IS allowed.
2222
8c841523
PH
2223PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2224
7766a4f0
PH
2225PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2226 header file does not have a version number, so I've had to invent a new
2227 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2228 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2229 radiusclient), but it was contributed by a Radius user.
2230
8b417f2c
PH
2231PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2232 files or directories, for OpenSSL.
2233
901f42cb
PH
2234PH/19 When an Exim process that is running as root has to create an Exim log
2235 file, it does so in a subprocess that runs as exim:exim so as to get the
2236 ownership right at creation (otherwise, other Exim processes might see
2237 the file with the wrong ownership). There was no test for failure of this
2238 fork() call, which would lead to the process getting stuck as it waited
2239 for a non-existent subprocess. Forks do occasionally fail when resources
2240 run out. I reviewed all the other calls to fork(); they all seem to check
2241 for failure.
2242
f9b9210e
PH
2243PH/20 When checking for unexpected SMTP input at connect time (before writing
2244 the banner), Exim was not dealing correctly with a non-positive return
2245 from the read() function. If the client had disconnected by this time,
2246 the result was a log entry for a synchronization error with an empty
2247 string after "input=" when read() returned zero. If read() returned -1
2248 (an event I could not check), uninitialized data bytes were printed.
2249 There were reports of junk text (parts of files, etc) appearing after
2250 "input=".
2251
54cdb463
PH
2252PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2253
cf00dad6
PH
2254PH/22 Added support for macro redefinition, and (re)definition in between
2255 driver and ACL definitions.
2256
acb1b346
PH
2257PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2258 forgetting to use the resulting value; it was using the unexpanded value.
2259
c5ddb310
PH
2260PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2261 hadn't been configured. The fix is from Juergen Kreileder, who
2262 understands it better than I do:
2263
2264 "Here's what I see happening with three configured cyrus_sasl
2265 authenticators configured (plain, login, cram-md5):
2266
2267 On startup auth_cyrus_sasl_init() gets called for each of these.
2268 This means three calls to sasl_listmech() without a specified mech_list.
2269 => SASL tests which mechs of all available mechs actually work
2270 => three warnings about OTP not working
2271 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2272
2273 With the patch, sasl_listmech() also gets called three times. But now
2274 SASL's mech_list option is set to the server_mech specified in the the
2275 authenticator. Or in other words, the answer from sasl_listmech()
2276 gets limited to just the mech you're testing for (which is different
2277 for each call.)
2278 => the return list contains just 'plain' or 'login', 'cram-md5' or
2279 nothing depending on the value of ob->server_mech.
2280
2281 I've just tested the patch: Authentication still works fine,
2282 unavailable mechs specified in the exim configuration are still
2283 caught, and the auth.log warnings about OTP are gone."
2284
31619da6
PH
2285PH/25 When debugging is enabled, the contents of the command line are added
2286 to the debugging output, even when log_selector=+arguments is not
2287 specified.
2288
bebaf0fc
PH
2289PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2290 answer is "GNU", and only if the return is "GNU/something" is the answer
2291 "Linux".
2292
475fe28a
PH
2293PH/27 $acl_verify_message is now set immediately after the failure of a
2294 verification in an ACL, and so is available in subsequent modifiers. In
2295 particular, the message can be preserved by coding like this:
2296
2297 warn !verify = sender
2298 set acl_m0 = $acl_verify_message
2299
2300 Previously, $acl_verify_message was set only while expanding "message"
2301 and "log_message" when a very denied access.
2302
7e8bec7a
PH
2303PH/28 Modified OS/os.c-Linux with
2304
2305 -#ifndef OS_LOAD_AVERAGE
2306 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2307
2308 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2309 nomenclature these days.)
2310
e4a89c47
PH
2311PH/29 Installed patch from the Sieve maintainer that adds the options
2312 sieve_useraddress and sieve_subaddress to the redirect router.
2313
5ca2a9a1
PH
2314PH/30 In these circumstances:
2315 . Two addresses routed to the same list of hosts;
2316 . First host does not offer TLS;
2317 . First host accepts first address;
2318 . First host gives temporary error to second address;
2319 . Second host offers TLS and a TLS session is established;
2320 . Second host accepts second address.
2321 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2322 and peerdn, if requested) that were in fact used only for the second
2323 address.
7e8bec7a 2324
c688b954
PH
2325PH/31 When doing a callout as part of verifying an address, Exim was not paying
2326 attention to any local part prefix or suffix that was matched by the
2327 router that accepted the address. It now behaves in the same way as it
2328 does for delivery: the affixes are removed from the local part unless
2329 rcpt_include_affixes is set on the transport.
2330
fed77020
PH
2331PH/32 Add the sender address, as F=<...>, to the log line when logging a
2332 timeout during the DATA phase of an incoming message.
2333
7fe1560f
PH
2334PH/33 Sieve envelope tests were broken for match types other than :is. I have
2335 applied a patch sanctioned by the Sieve maintainer.
c688b954 2336
ebb6e6d5
PH
2337PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2338 the uid or gid is negative. A case of a negative gid caused this to be
2339 noticed. The fix allows for either to be negative.
2340
9c4e8f60
PH
2341PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2342 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2343 overlooked.
2344
2345PH/36 The change PH/12 above was broken. Fixed it.
2346
d7174846
PH
2347PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2348 the grounds that routing the same address twice would always produce the
2349 same answer. This might have been true once, but it is certainly no
2350 longer true now. Routing a child address may depend on the previous
2351 routing that produced that child. Some complicated redirection strategies
2352 went wrong when messages had multiple recipients, and made Exim's
2353 behaviour dependent on the order in which the addresses were given.
2354
2355 I have moved the duplicate checking until after the routing is complete.
2356 Exim scans the addresses that are assigned to local and remote
2357 transports, and removes any duplicates. This means that more work will be
2358 done, as duplicates will always all be routed, but duplicates are
2359 presumably rare, so I don't expect this is of any significance.
2360
2361 For deliveries to pipes, files, and autoreplies, the duplicate checking
2362 still happens during the routing process, since they are not going to be
2363 routed further.
2364
cfe75fc3
PH
2365PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2366 It corrects a timeout issue with spamd. This is Ian's comment: "The
2367 background is that sometimes spamd either never reads data from a
2368 connection it has accepted, or it never writes response data. The exiscan
2369 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2370 blindly assumes that writes won't block so it may never time out."
2371
be22d70e
PH
2372PH/39 Allow G after quota size as well as K and M.
2373
0612b098
PH
2374PH/40 The value set for $authenticated_id in an authenticator may not contain
2375 binary zeroes or newlines because the value is written to log lines and
2376 to spool files. There was no check on this. Now the value is run through
2377 the string_printing() function so that such characters are converted to
2378 printable escape sequences.
2379
2e0c1448
PH
2380PH/41 $message_linecount is a new variable that contains the total number of
2381 lines in the message. Compare $body_linecount, which is the count for the
2382 body only.
2383
447d236c
PH
2384PH/42 Exim no longer gives details of delivery errors for specific addresses in
2385 bounce and delay warning messages, except in certain special cases, which
2386 are as follows:
2387
2388 (a) An SMTP error message from a remote host;
2389 (b) A message specified in a :fail: redirection;
2390 (c) A message specified in a "fail" command in a system filter;
2391 (d) A message specified in a FAIL return from the queryprogram router;
2392 (e) A message specified by the cannot_route_message router option.
2393
2394 In these cases only, Exim does include the error details in bounce and
2395 warning messages. There are also a few cases where bland messages such
2396 as "unrouteable address" or "local delivery error" are given.
2397
d20976dc
PH
2398PH/43 $value is now also set for the "else" part of a ${run expansion.
2399
f656d135
PH
2400PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2401 being worked on, but at least Exim now implements the latest version to
2402 play with."
2403
2e2a30b4
PH
2404PH/45 In a pipe transport, although a timeout while waiting for the pipe
2405 process to complete was treated as a delivery failure, a timeout while
2406 writing the message to the pipe was logged, but erroneously treated as a
2407 successful delivery. Such timeouts include transport filter timeouts. For
2408 consistency with the overall process timeout, these timeouts are now
2409 treated as errors, giving rise to delivery failures by default. However,
2410 there is now a new Boolean option for the pipe transport called
2411 timeout_defer, which, if set TRUE, converts the failures into defers for
2412 both kinds of timeout. A transport filter timeout is now identified in
2413 the log output.
2414
9176e9f0
PH
2415PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2416 systems where "make" and "gmake" are different, calling "gmake" at top
2417 level broke things. I've arranged for the value of $(MAKE) to be passed
2418 from the Makefile to this script so that it can call the same version of
2419 "make".
2420
7982096b 2421
bbe902f0
PH
2422A note about Exim versions 4.44 and 4.50
2423----------------------------------------
2424
2425Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2426changes of various kinds. As a consequence, a big documentation update was
2427needed. This delayed the release for rather longer than seemed good, especially
2428in the light of a couple of (minor) security issues. Therefore, the changes
2429that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2430release. So 4.44 and 4.50 are in effect two different branches that both start
2431from 4.43.
2432
2433I have left the 4.50 change log unchanged; it contains all the changes since
24344.43. The change log for 4.44 is below; many of its items are identical to
2435those for 4.50. This seems to be the most sensible way to preserve the
2436historical information.
2437
2438
f7b63901 2439Exim version 4.50
495ae4b0
PH
2440-----------------
2441
5fe762f6
PH
2442 1. Minor wording change to the doc/README.SIEVE file.
2443
139059f6 2444 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2445 computation of the current number of files was incorrect.
495ae4b0 2446
7086e875
PH
2447 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2448 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2449 place.
2450
35af9f61
PH
2451 4. Give more explanation in the error message when the command for a transport
2452 filter fails to execute.
2453
b668c215
PH
2454 5. There are several places where Exim runs a non-Exim command in a
2455 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2456 was being done only for the command run by the queryprogram router. It is
2457 now done for all such subprocesses. The other cases are: ${run, transport
2458 filters, and the commands run by the lmtp and pipe transports.
2459
a494b1e1
PH
2460 6. Added CONFIGURE_GROUP build-time option.
2461
2462 7. Some older OS have a limit of 256 on the maximum number of file
2463 descriptors. Exim was using setrlimit() to set 1000 as a large value
2464 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2465 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2466
c5fcb476
PH
2467 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2468 was an oversight, and furthermore, ever since the addition of extra
2469 controls (e.g. 4.43/32), the checks on when to allow different forms of
2470 "control" were broken. There should now be diagnostics for all cases when a
2471 control that does not make sense is encountered.
2472
69358f02
PH
2473 9. Added the /retain_sender option to "control=submission".
2474
5be20824
PH
247510. $recipients is now available in the predata ACL (oversight).
2476
eb2c0248
PH
247711. Tidy the search cache before the fork to do a delivery from a message
2478 received from the command line. Otherwise the child will trigger a lookup
2479 failure and thereby defer the delivery if it tries to use (for example) a
2480 cached ldap connection that the parent has called unbind on.
2481
2a3eea10
PH
248212. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2483 of $address_data from the recipient verification was clobbered by the
2484 sender verification.
2485
248613. The value of address_data from a sender verification is now available in
2487 $sender_address_data in subsequent conditions in the ACL statement.
2488
23c7ff99
PH
248914. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2490
4deaf07d
PH
249115. Added a new option "connect=<time>" to callout options, to set a different
2492 connection timeout.
2493
926e1192
PH
249416. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2495 was its contents. (It was OK if the option was not defined at all.)
2496
650edc6f
PH
249717. A "Completed" log line is now written for messages that are removed from
2498 the spool by the -Mrm option.
2499
2c7db3f5
PH
250018. New variables $sender_verify_failure and $recipient_verify_failure contain
2501 information about exactly what failed.
2502
3d235903
PH
250319. Added -dd to debug only the daemon process.
2504
7c7ad977
PH
250520. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2506 handles timeouts, both on the server side and network timeouts. Renamed the
2507 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2508
981756db
PH
250921. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2510 It is now set to "smtps".
2511
d4eb88df
PH
251222. $host_address is now set to the target address during the checking of
2513 ignore_target_hosts.
2514
251523. When checking ignore_target_hosts for an ipliteral router, no host name was
2516 being passed; this would have caused $sender_host_name to have been used if
2517 matching the list had actually called for a host name (not very likely,
2518 since this list is usually IP addresses). A host name is now passed as
2519 "[x.x.x.x]".
2520
7d468ab8
PH
252124. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2522 code that specifies a non-restarting handler (typically sigaction() in
2523 modern systems) in an attempt to fix a rare and obscure crash bug.
2524
252525. Narrowed the window for a race in the daemon that could cause it to ignore
2526 SIGCHLD signals. This is not a major problem, because they are used only to
2527 wake it up if nothing else does.
2528
62c0818f
PH
252926. A malformed maildirsize file could cause Exim to calculate negative values
2530 for the mailbox size or file count. Odd effects could occur as a result.
2531 The maildirsize information is now recalculated if the size or filecount
2532 end up negative.
2533
26034054
PH
253427. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2535 support for a long time. Removed HAVE_SYS_VFS_H.
2536
af66f652
PH
253728. Installed the latest version of exipick from John Jetmore.
2538
90af77f4
PH
253929. In an address list, if the pattern was not a regular expression, an empty
2540 subject address (from a bounce message) matched only if the pattern was an
2541 empty string. Non-empty patterns were not even tested. This was the wrong
2542 because it is perfectly reasonable to use an empty address as part of a
2543 database query. An empty address is now tested by patterns that are
2544 lookups. However, all the other forms of pattern expect the subject to
2545 contain a local part and a domain, and therefore, for them, an empty
2546 address still always fails if the pattern is not itself empty.
2547
d8ef3577
PH
254830. Exim went into a mad DNS loop when attempting to do a callout where the
2549 host was specified on an smtp transport, and looking it up yielded more
2550 than one IP address.
2551
5cb8cbc6
PH
255231. Re-factored the code for checking spool and log partition space into a
2553 function that finds that data and another that does the check. The former
2554 is then used to implement four new variables: $spool_space, $log_space,
2555 $spool_inodes, and $log_inodes.
2556
14702f5b
PH
255732. The RFC2047 encoding function was originally intended for short strings
2558 such as real names; it was not keeping to the 75-character limit for
2559 encoded words that the RFC imposes. It now respects the limit, and
2560 generates multiple encoded words if necessary. To be on the safe side, I
2561 have increased the buffer size for the ${rfc2047: expansion operator from
2562 1024 to 2048 bytes.
2563
063b1e99
PH
256433. It is now permitted to omit both strings after an "if" condition; if the
2565 condition is true, the result is "true". As before, when the second string
2566 is omitted, a false condition yields an empty string. This makes it less
2567 cumbersome to write custom ACL and router conditions.
2568
652e1b65
PH
256934. Failure to deliver a bounce message always caused it to be frozen, even if
2570 there was an errors_to setting on the router. The errors_to setting is now
2571 respected.
2572
6f0c9a4f
PH
257335. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2574 canonical form (fully expanded) before being placed in
2575 $sender_host_address.
2576
33397d19
PH
257736. The table in the code that translates DNS record types into text (T_A to
2578 "A" for instance) was missing entries for NS and CNAME. It is just possible
2579 that this could have caused confusion if both these types were looked up
2580 for the same domain, because the text type is used as part of Exim's
2581 per-process caching. But the chance of anyone hitting this buglet seems
2582 very small.
2583
7bb56e1f
PH
258437. The dnsdb lookup has been extended in a number of ways.
2585
2586 (1) There is a new type, "zns", which walks up the domain tree until it
2587 finds some nameserver records. It should be used with care.
2588
ea3bc19b
PH
2589 (2) There is a new type, "mxh", which is like "mx" except that it returns
2590 just the host names, not the priorities.
2591
2592 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2593 looked up. The behaviour when one of the lookups defers can be
2594 controlled by a keyword.
7bb56e1f 2595
ea3bc19b 2596 (4) It is now possible to specify the separator character for use when
7bb56e1f 2597 multiple records are returned.
33397d19 2598
0bcb2a0e
PH
259938. The dnslists ACL condition has been extended: it is now possible to supply
2600 a list of IP addresses and/or domains to be looked up in a particular DNS
2601 domain.
2602
2ac0e484
PH
260339. Added log_selector=+queue_time_overall.
2604
4e1fde53
PH
260540. When running the queue in the test harness, wait just a tad after forking a
2606 delivery process, to get repeatability of debugging output.
2607
de365ded
PH
260841. Include certificate and key file names in error message when GnuTLS fails
2609 to set them up, because the GnuTLS error message doesn't include the name
2610 of the failing file when there is a problem reading it.
2611
f05da2e8
PH
261242. Allow both -bf and -bF in the same test run.
2613
d6453af2
PH
261443. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2615
f7b63901
PH
261644. The "Exiscan patch" is now merged into the mainline Exim source.
2617
261845. Sometimes the final signoff response after QUIT could fail to get
2619 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2620 < 0 before doing a fflush(). This bug looks as though it goes back to the
2621 introduction of TLS in release 3.20, but "sometimes" must have been rare
2622 because the tests only now provoked it.
2623
a444213a
PH
262446. Reset the locale to "C" after calling embedded Perl, in case it was changed
2625 (this can affect the format of dates).
2626
0ec020ea
PH
262747. exim_tidydb, when checking for the continued existence of a message for
2628 which it has found a message-specific retry record, was not finding
2629 messages that were in split spool directories. Consequently, it was
2630 deleting retry records that should have stayed in existence.
2631
b1206957
PH
263248. Steve fixed some bugs in eximstats.
2633
263449. The SPA authentication driver was not abandoning authentication and moving
2635 on to the next authenticator when an expansion was forced to fail,
2636 contradicting the general specification for all authenticators. Instead it
2637 was generating a temporary error. It now behaves as specified.
2638
26dd5a95
PH
263950. The default ordering of permitted cipher suites for GnuTLS was pessimal
2640 (the order specifies the preference for clients). The order is now AES256,
2641 AES128, 3DES, ARCFOUR128.
2642
343b2385
PH
264351. Small patch to Sieve code - explicitly set From: when generating an
2644 autoreply.
2645
1c5466b9
PH
264652. Exim crashed if a remote delivery caused a very long error message to be
2647 recorded - for instance if somebody sent an entire SpamAssassin report back
2648 as a large number of 550 error lines. This bug was coincidentally fixed by
2649 increasing the size of one of Exim's internal buffers (big_buffer) that
2650 happened as part of the Exiscan merge. However, to be on the safe side, I
2651 have made the code more robust (and fixed the comments that describe what
2652 is going on).
2653
55ee9ee3
PH
265453. Now that there can be additional text after "Completed" in log lines (if
2655 the queue_time_overall log selector is set), a one-byte patch to exigrep
2656 was needed to allow it to recognize "Completed" as not the last thing in
2657 the line.
2658
d38f8232
PH
265954. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2660 patch that reportedly fixes this has been added. I am not expert enough to
2661 create a test for it. This is what the patch creator wrote:
2662
2663 "I found a little strange behaviour of ldap code when working with
2664 Windows 2003 AD Domain, where users was placed in more than one
2665 Organization Units. When I tried to give exim partial DN, the exit code
2666 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2667 But simultaneously result of request was absolutely normal ldap result,
2668 so I produce this patch..."
2669
3295e65b
PH
2670 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2671 REFERENCE, so I have modified the code to exclude the patch when that macro
2672 is not defined.
2673
7102e136
PH
267455. Some experimental protocols are using DNS PTR records for new purposes. The
2675 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2676 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2677 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2678 CAN-2005-0021
7102e136 2679
3ca0ba97
PH
268056. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2681
c2bcbe20
PH
268257. Double the size of the debug message buffer (to 2048) so that more of very
2683 long debug lines gets shown.
2684
18ce445d
PH
268558. The exicyclog utility now does better if the number of log files to keep
2686 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2687
1f5b4c3d
PH
268859. Two changes related to the smtp_active_hostname option:
2689
2690 (1) $smtp_active_hostname is now available as a variable.
2691 (2) The default for smtp_banner uses $smtp_active_hostname instead
2692 of $primary_hostname.
2693
b975ba52
PH
269460. The host_aton() function is supposed to be passed a string that is known
2695 to be a valid IP address. However, in the case of IPv6 addresses, it was
2696 not checking this. This is a hostage to fortune. Exim now panics and dies
2697 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
2698 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2699 components; fortuitously, this particular loophole had already been fixed
2700 by change 4.50/55 above.
2701
2702 If there are any other similar loopholes, the new check in host_aton()
2703 itself should stop them being exploited. The report I received stated that
2704 data on the command line could provoke the exploit when Exim was running as
2705 exim, but did not say which command line option was involved. All I could
2706 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2707 running as the user.
ea3a6f44 2708 CAN-2005-0021
85b87bc2
PH
2709
271061. There was a buffer overflow vulnerability in the SPA authentication code
2711 (which came originally from the Samba project). I have added a test to the
2712 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 2713 CAN-2005-0022
b975ba52 2714
17ffcae7
PH
271562. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
2716 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
2717
d95f9fdb
PH
271863. The daemon start-up calls getloadavg() while still root for those OS that
2719 need the first call to be done as root, but it missed one case: when
2720 deliver_queue_load_max is set with deliver_drop_privilege. This is
2721 necessary for the benefit of the queue runner, because there is no re-exec
2722 when deliver_drop_privilege is set.
2723
86b8287f
PH
272464. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
2725 This has been fixed.
2726
60dc5e56
PH
272765. Caching of lookup data for "hosts =" ACL conditions, when a named host list
2728 was in use, was not putting the data itself into the right store pool;
2729 consequently, it could be overwritten for a subsequent message in the same
2730 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
2731 the caching.)
2732
533244af
PH
273366. Added hosts_max_try_hardlimit to the smtp transport, default 50.
2734
a5a28604
PH
273567. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
2736 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
2737 the function were treating the return as a boolean value, which happened to
2738 work because 0=false and not-0=true, but is not correct code.
2739
7e634d24
PH
274068. The host_aton() function was not handling scoped IPv6 addresses (those
2741 with, for example, "%eth0" on the end) correctly.
2742
3e11c26b
PH
274369. Fixed some compiler warnings in acl.c for the bitmaps specified with
2744 negated items (that is, ~something) in unsigned ints. Some compilers
2745 apparently mutter when there is no cast.
2746
6729cf78
PH
274770. If an address verification called from an ACL failed, and did not produce a
2748 user-specific message (i.e. there was only a "system" message), nothing was
2749 put in $acl_verify_message. In this situation, it now puts the system
2750 message there.
2751
00f00ca5
PH
275271. Change 4.23/11 added synchronization checking at the start of an SMTP
2753 session; change 4.31/43 added the unwanted input to the log line - except
2754 that it did not do this in the start of session case. It now does.
2755
c9bdd01c
PH
275672. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
2757 This is wrong and can cause the other end to generate a synchronization
2758 error if it is another Exim or anything else that does the synchronization
2759 check. A QUIT command is no longer sent after a timeout.
2760
d43194df
PH
276173. $host_lookup_deferred has been added, to make it easier to detect DEFERs
2762 during host lookups.
2763
fe5b5d0b
PH
276474. The defer_ok option of callout verification was not working if it was used
2765 when verifying addresses in header lines, that is, for this case:
2766
2767 verify = header_sender/callout=defer_ok
2768
76a2d7ba
PH
276975. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
2770 those file descriptors could be used for SMTP connections. If anything
2771 wrote to stderr (the example that came up was "warn" in embedded Perl), it
2772 could be sent to the SMTP client, causing chaos. The daemon now opens
2773 stdin, stdout, and stderr to /dev/null when it puts itself into the
2774 background.
2775
277676. Arrange for output from Perl's "warn" command to be written to Exim's main
2777 log by default. The user can override this with suitable Perl magic.
2778
04f7d5b9
PH
277977. The use of log_message on a "discard" ACL verb, which is supposed to add to
2780 the log message when discard triggers, was not working for the DATA ACL or
2781 for the non-SMTP ACL.
2782
bc60667e
PH
278378. Error message wording change in sieve.c.
2784
bb6e88ff
PH
278579. If smtp_accept_max_per_host was set, the number of connections could be
2786 restricted to fewer than expected, because the daemon was trying to set up
2787 a new connection before checking whether the processes handling previous
2788 connections had finished. The check for completed processes is now done
2789 earlier. On busy systems, this bug wouldn't be noticed because something
2790 else would have woken the daemon, and it would have reaped the completed
2791 process earlier.
2792
1e70f85b
PH
279380. If a message was submitted locally by a user whose login name contained one
2794 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
2795 It caused a spool format error. I have fixed the spool reading code. A
2796 related problem was that the "from" clause in the Received: line became
2797 illegal because of the space(s). It is now covered by ${quote_local_part.
2798
279981. Included the latest eximstats from Steve (adds average sizes to HTML Top
2800 tables).
2801
4e01f9d6
PH
280282. Updated OS/Makefile-AIX as per message from Mike Meredith.
2803
1ee1cef2
PH
280483. Patch from Sieve maintainer to fix unterminated string problem in
2805 "vacation" handling.
2806
6e2b4ccc
PH
280784. Some minor changes to the Linux configuration files to help with other
2808 OS variants using glibc.
2809
8e669ac1
PH
281085. One more patch for Sieve to update vacation handling to latest spec.
2811
495ae4b0 2812
bbe902f0
PH
2813----------------------------------------------------
2814See the note above about the 4.44 and 4.50 releases.
2815----------------------------------------------------
2816
2817
2818Exim version 4.44
2819-----------------
2820
2821 1. Change 4.43/35 introduced a bug that caused file counts to be
2822 incorrectly computed when quota_filecount was set in an appendfile
2823 transport
2824
2825 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2826 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2827 place.
2828
2829 3. Give more explanation in the error message when the command for a transport
2830 filter fails to execute.
2831
2832 4. There are several places where Exim runs a non-Exim command in a
2833 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2834 was being done only for the command run by the queryprogram router. It is
2835 now done for all such subprocesses. The other cases are: ${run, transport
2836 filters, and the commands run by the lmtp and pipe transports.
2837
2838 5. Some older OS have a limit of 256 on the maximum number of file
2839 descriptors. Exim was using setrlimit() to set 1000 as a large value
2840 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2841 systems. I've change it so that if it can't get 1000, it tries for 256.
2842
2843 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2844 was an oversight, and furthermore, ever since the addition of extra
2845 controls (e.g. 4.43/32), the checks on when to allow different forms of
2846 "control" were broken. There should now be diagnostics for all cases when a
2847 control that does not make sense is encountered.
2848
2849 7. $recipients is now available in the predata ACL (oversight).
2850
2851 8. Tidy the search cache before the fork to do a delivery from a message
2852 received from the command line. Otherwise the child will trigger a lookup
2853 failure and thereby defer the delivery if it tries to use (for example) a
2854 cached ldap connection that the parent has called unbind on.
2855
2856 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2857 of $address_data from the recipient verification was clobbered by the
2858 sender verification.
2859
286010. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2861 was its contents. (It was OK if the option was not defined at all.)
2862
286311. A "Completed" log line is now written for messages that are removed from
2864 the spool by the -Mrm option.
2865
286612. $host_address is now set to the target address during the checking of
2867 ignore_target_hosts.
2868
286913. When checking ignore_target_hosts for an ipliteral router, no host name was
2870 being passed; this would have caused $sender_host_name to have been used if
2871 matching the list had actually called for a host name (not very likely,
2872 since this list is usually IP addresses). A host name is now passed as
2873 "[x.x.x.x]".
2874
287514. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2876 code that specifies a non-restarting handler (typically sigaction() in
2877 modern systems) in an attempt to fix a rare and obscure crash bug.
2878
287915. Narrowed the window for a race in the daemon that could cause it to ignore
2880 SIGCHLD signals. This is not a major problem, because they are used only to
2881 wake it up if nothing else does.
2882
288316. A malformed maildirsize file could cause Exim to calculate negative values
2884 for the mailbox size or file count. Odd effects could occur as a result.
2885 The maildirsize information is now recalculated if the size or filecount
2886 end up negative.
2887
288817. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2889 support for a long time. Removed HAVE_SYS_VFS_H.
2890
ea3a6f44 289118. Updated exipick to current release from John Jetmore.
bbe902f0
PH
2892
289319. Allow an empty sender to be matched against a lookup in an address list.
2894 Previously the only cases considered were a regular expression, or an
2895 empty pattern.
2896
289720. Exim went into a mad DNS lookup loop when doing a callout where the
2898 host was specified on the transport, if the DNS lookup yielded more than
2899 one IP address.
2900
ea3a6f44
NM
290121. The RFC2047 encoding function was originally intended for short strings
2902 such as real names; it was not keeping to the 75-character limit for
2903 encoded words that the RFC imposes. It now respects the limit, and
2904 generates multiple encoded words if necessary. To be on the safe side, I
2905 have increased the buffer size for the ${rfc2047: expansion operator from
2906 1024 to 2048 bytes.
bbe902f0 2907
ea3a6f44
NM
290822. Failure to deliver a bounce message always caused it to be frozen, even if
2909 there was an errors_to setting on the router. The errors_to setting is now
2910 respected.
bbe902f0
PH
2911
291223. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2913 canonical form (fully expanded) before being placed in
2914 $sender_host_address.
2915
291624. Updated eximstats to version 1.33
2917
ea3a6f44
NM
291825. Include certificate and key file names in error message when GnuTLS fails
2919 to set them up, because the GnuTLS error message doesn't include the name
2920 of the failing file when there is a problem reading it.
bbe902f0
PH
2921
292226. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 2923 As per change 25.
bbe902f0 2924
ea3a6f44
NM
292527. Reset the locale to "C" after calling embedded Perl, in case it was changed
2926 (this can affect the format of dates).
bbe902f0 2927
ea3a6f44
NM
292828. exim_tidydb, when checking for the continued existence of a message for
2929 which it has found a message-specific retry record, was not finding
2930 messages that were in split spool directories. Consequently, it was
2931 deleting retry records that should have stayed in existence.
bbe902f0
PH
2932
293329. eximstats updated to version 1.35
2934 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
2935 1.35 - bugfix such that pie charts by volume are generated correctly
2936
ea3a6f44
NM
293730. The SPA authentication driver was not abandoning authentication and moving
2938 on to the next authenticator when an expansion was forced to fail,
2939 contradicting the general specification for all authenticators. Instead it
2940 was generating a temporary error. It now behaves as specified.
bbe902f0 2941
ea3a6f44
NM
294231. The default ordering of permitted cipher suites for GnuTLS was pessimal
2943 (the order specifies the preference for clients). The order is now AES256,
2944 AES128, 3DES, ARCFOUR128.
bbe902f0 2945
ea3a6f44
NM
294631. Small patch to Sieve code - explicitly set From: when generating an
2947 autoreply.
bbe902f0 2948
ea3a6f44
NM
294932. Exim crashed if a remote delivery caused a very long error message to be
2950 recorded - for instance if somebody sent an entire SpamAssassin report back
2951 as a large number of 550 error lines. This bug was coincidentally fixed by
2952 increasing the size of one of Exim's internal buffers (big_buffer) that
2953 happened as part of the Exiscan merge. However, to be on the safe side, I
2954 have made the code more robust (and fixed the comments that describe what
2955 is going on).
bbe902f0 2956
ea3a6f44
NM
295733. Some experimental protocols are using DNS PTR records for new purposes. The
2958 keys for these records are domain names, not reversed IP addresses. The
2959 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2960 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
2961 CAN-2005-0021
2962
ea3a6f44
NM
296334. The host_aton() function is supposed to be passed a string that is known
2964 to be a valid IP address. However, in the case of IPv6 addresses, it was
2965 not checking this. This is a hostage to fortune. Exim now panics and dies
2966 if the condition is not met. A case was found where this could be provoked
2967 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2968 components; fortuitously, this particular loophole had already been fixed
2969 by change 4.50/55 or 4.44/33 above.
2970
2971 If there are any other similar loopholes, the new check in host_aton()
2972 itself should stop them being exploited. The report I received stated that
2973 data on the command line could provoke the exploit when Exim was running as
2974 exim, but did not say which command line option was involved. All I could
2975 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2976 running as the user.
bbe902f0
PH
2977 CAN-2005-0021
2978
ea3a6f44
NM
297935. There was a buffer overflow vulnerability in the SPA authentication code
2980 (which came originally from the Samba project). I have added a test to the
2981 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
2982 CAN-2005-0022
2983
ea3a6f44
NM
298436. The daemon start-up calls getloadavg() while still root for those OS that
2985 need the first call to be done as root, but it missed one case: when
2986 deliver_queue_load_max is set with deliver_drop_privilege. This is
2987 necessary for the benefit of the queue runner, because there is no re-exec
2988 when deliver_drop_privilege is set.
bbe902f0 2989
ea3a6f44
NM
299037. Caching of lookup data for "hosts =" ACL conditions, when a named host list
2991 was in use, was not putting the data itself into the right store pool;
2992 consequently, it could be overwritten for a subsequent message in the same
2993 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
2994 the caching.)
bbe902f0 2995
ea3a6f44
NM
299638. Sometimes the final signoff response after QUIT could fail to get
2997 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2998 < 0 before doing a fflush(). This bug looks as though it goes back to the
2999 introduction of TLS in release 3.20, but "sometimes" must have been rare
3000 because the tests only now provoked it.
bbe902f0
PH
3001
3002
495ae4b0
PH
3003Exim version 4.43
3004-----------------
3005
3006 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3007 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3008 Now it returns an integer. A number of calls were still expecting a T/F
3009 return. Fortuitously, in all cases, the tests worked in OK situations,
3010 which is the norm. However, things would have gone wrong on any write
3011 failures on the smtp file descriptor. This function is used when sending
3012 messages over SMTP and also when doing verify callouts.
3013
3014 2. When Exim is called to do synchronous delivery of a locally submitted
3015 message (the -odf or -odi options), it no longer closes stderr before doing
3016 the delivery.
3017
3018 3. Implemented the mua_wrapper option.
3019
3020 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3021
3022 5. Implemented the functions header_remove(), header_testname(),
3023 header_add_at_position(), and receive_remove_recipient(), and exported them
3024 to local_scan().
3025
3026 6. If an ACL "warn" statement specified the addition of headers, Exim already
3027 inserted X-ACL-Warn: at the start if there was no header name. However, it
3028 was not making this test for the second and subsequent header lines if
3029 there were newlines in the string. This meant that an invalid header could
3030 be inserted if Exim was badly configured.
3031
3032 7. Allow an ACL "warn" statement to add header lines at the start or after all
3033 the Received: headers, as well as at the end.
3034
3035 8. Added the rcpt_4xx retry error code.
3036
3037 9. Added postmaster_mailfrom=xxx to callout verification option.
3038
303910. Added mailfrom=xxxx to the callout verification option, for verify=
3040 header_sender only.
3041
304211. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3043 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3044
304512. Inserted some casts to stop certain compilers warning when using pointer
3046 differences as field lengths or precisions in printf-type calls (mostly
3047 affecting debugging statements).
3048
304913. Added optional readline() support for -be (dynamically loaded).
3050
305114. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3052 same clock tick as a message's arrival, so that its received time was the
3053 same as the "first fail" time on the retry record, and that message
3054 remained on the queue past the ultimate address timeout, every queue runner
3055 would try a delivery (because it was past the ultimate address timeout) but
3056 after another failure, the ultimate address timeout, which should have then
3057 bounced the address, did not kick in. This was a "< instead of <=" error;
3058 in most cases the first failure would have been in the next clock tick
3059 after the received time, and all would be well.
3060
306115. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3062 being recognized when the domain list was tested by the match_domain
3063 condition in an expansion string.
3064
306516. Added the ${str2b64: operator.
3066
306717. Exim was always calling setrlimit() to set a large limit for the number of
3068 processes, without checking whether the existing limit was already
3069 adequate. (It did check for the limit on file descriptors.) Furthermore,
3070 errors from getrlimit() and setrlimit() were being ignored. Now they are
3071 logged to the main and panic logs, but Exim does carry on, to try to do its
3072 job under whatever limits there are.
3073
307418. Imported PCRE 5.0.
3075
307619. Trivial typo in log message " temporarily refused connection" (the leading
3077 space).
3078
307920. If the log selector return_path_on_delivery was set and an address was
3080 redirected to /dev/null, the delivery process crashed because it assumed
3081 that a return path would always be set for a "successful" delivery. In this
3082 case, the whole delivery is bypassed as an optimization, and therefore no
3083 return path is set.
3084
308521. Internal re-arrangement: the function for sending a challenge and reading
3086 a response while authentication was assuming a zero-terminated challenge
3087 string. It's now changed to take a pointer and a length, to allow for
3088 binary data in such strings.
3089
309022. Added the cyrus_sasl authenticator (code supplied by MBM).
3091
309223. Exim was not respecting finduser_retries when seeking the login of the
3093 uid under which it was called; it was always trying 10 times. (The default
3094 setting of finduser_retries is zero.) Also, it was sleeping after the final
3095 failure, which is pointless.
3096
309724. Implemented tls_on_connect_ports.
3098
309925. Implemented acl_smtp_predata.
3100
310126. If the domain in control=submission is set empty, Exim assumes that the
3102 authenticated id is a complete email address when it generates From: or
3103 Sender: header lines.
3104
310527. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3106 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3107 chown and chgrp in /bin and hostname in /usr/bin.
3108
310928. Exim was keeping the "process log" file open after each use, just as it
3110 does for the main log. This opens the possibility of it remaining open for
3111 long periods when the USR1 signal hits a daemon. Occasional processlog
3112 errors were reported, that could have been caused by this. Anyway, it seems
3113 much more sensible not to leave this file open at all, so that is what now
3114 happens.
3115
311629. The long-running daemon process does not normally write to the log once it
3117 has entered its main loop, and it closes the log before doing so. This is
3118 so that log files can straightforwardly be renamed and moved. However,
3119 there are a couple of unusual error situations where the daemon does write
3120 log entries, and I had neglected to close the log afterwards.
3121
312230. The text of an SMTP error response that was received during a remote
3123 delivery was being truncated at 512 bytes. This is too short for some of
3124 the long messages that one sometimes sees. I've increased the limit to
3125 1024.
3126
312731. It is now possible to make retry rules that apply only when a message has a
3128 specific sender, in particular, an empty sender.
3129
313032. Added "control = enforce_sync" and "control = no_enforce_sync". This makes
3131 it possible to be selective about when SMTP synchronization is enforced.
3132
313333. Added "control = caseful_local_part" and "control = "caselower_local_part".
3134
313532. Implemented hosts_connection_nolog.
3136
313733. Added an ACL for QUIT.
3138
313934. Setting "delay_warning=" to disable warnings was not working; it gave a
3140 syntax error.
3141
314235. Added mailbox_size and mailbox_filecount to appendfile.
3143
314436. Added control = no_multiline_responses to ACLs.
3145
314637. There was a bug in the logic of the code that waits for the clock to tick
3147 in the case where the clock went backwards by a substantial amount such
3148 that the microsecond fraction of "now" was more than the microsecond
3149 fraction of "then" (but the whole seconds number was less).
3150
315138. Added support for the libradius Radius client library this is found on
3152 FreeBSD (previously only the radiusclient library was supported).
3153
3154
3155Exim version 4.42
3156-----------------
3157
3158 1. When certain lookups returned multiple values in the form name=value, the
3159 quoting of the values was not always being done properly. Specifically:
3160 (a) If the value started with a double quote, but contained no whitespace,
3161 it was not quoted.
3162 (b) If the value contained whitespace other than a space character (i.e.
3163 tabs or newlines or carriage returns) it was not quoted.
3164 This fix has been applied to the mysql and pgsql lookups by writing a
3165 separate quoting function and calling it from the lookup code. The fix
3166 should probably also be applied to nisplus, ibase and oracle lookups, but
3167 since I cannot test any of those, I have not disturbed their existing code.
3168
3169 2. A hit in the callout cache for a specific address caused a log line with no
3170 reason for rejecting RCPT. Now it says "Previous (cached) callout
3171 verification failure".
3172
3173 3. There was an off-by-one bug in the queryprogram router. An over-long
3174 return line was truncated at 256 instead of 255 characters, thereby
3175 overflowing its buffer with the terminating zero. As well as fixing this, I
3176 have increased the buffer size to 1024 (and made a note to document this).
3177
3178 4. If an interrupt, such as the USR1 signal that is send by exiwhat, arrives
3179 when Exim is waiting for an SMTP response from a remote server, Exim
3180 restarts its select() call on the socket, thereby resetting its timeout.
3181 This is not a problem when such interrupts are rare. Somebody set up a cron
3182 job to run exiwhat every 2 minutes, which is less than the normal select()
3183 timeout (5 or 10 minutes). This meant that the select() timeout never
3184 kicked in because it was always reset. I have fixed this by comparing the
3185 time when an interrupt arrives with the time at the start of the first call
3186 to select(). If more time than the timeout has elapsed, the interrupt is
3187 treated as a timeout.
3188
3189 5. Some internal re-factoring in preparation for the addition of Sieve
3190 extensions (by MH). In particular, the "personal" test is moved to a
3191 separate function, and given an option for scanning Cc: and Bcc: (which is
3192 not set for Exim filters).
3193
3194 6. When Exim created an email address using the login of the caller as the
3195 local part (e.g. when creating a From: or Sender: header line), it was not
3196 quoting the local part when it contained special characters such as @.
3197
3198 7. Installed new OpenBSD configuration files.
3199
3200 8. Reworded some messages for syntax errors in "and" and "or" conditions to
3201 try to make them clearer.
3202
3203 9. Callout options, other than the timeout value, were being ignored when
3204 verifying sender addresses in header lines. For example, when using
3205
3206 verify = header_sender/callout=no_cache
3207
3208 the cache was (incorrectly) being used.
3209
321010. Added a missing instance of ${EXE} to the exim_install script; this affects
3211 only the Cygwin environment.
3212
321311. When return_path_on_delivery was set as a log selector, if different remote
3214 addresses in the same message used different return paths and parallel
3215 remote delivery occurred, the wrong values would sometimes be logged.
3216 (Whenever a remote delivery process finished, the return path value from
3217 the most recently started remote delivery process was logged.)
3218
321912. RFC 3848 specifies standard names for the "with" phrase in Received: header
3220 lines when AUTH and/or TLS are in use. This is the "received protocol"
3221 field. Exim used to use "asmtp" for authenticated SMTP, without any
3222 indication (in the protocol name) for TLS use. Now it follows the RFC and
3223 uses "esmtpa" if the connection is authenticated, "esmtps" if it is
3224 encrypted, and "esmtpsa" if it is both encrypted and authenticated. These
3225 names appear in log lines as well as in Received: header lines.
3226
322713. Installed MH's patches for Sieve to add the "copy" and "vacation"
3228 extensions, and comparison tests, and to fix some bugs.
3229
323014. Changes to the "personal" filter test:
3231
3232 (1) The test was buggy in that it was just doing the equivalent of
3233 "contains" tests on header lines. For example, if a user's address was
3234 anne@some.where, the "personal" test would incorrectly be true for
3235
3236 To: susanne@some.where
3237
3238 This test is now done by extracting each address from the header in turn,
3239 and checking the entire address. Other tests that are part of "personal"
3240 are now done using regular expressions (for example, to check local parts
3241 of addresses in From: header lines).
3242
3243 (2) The list of non-personal local parts in From: addresses has been
3244 extended to include "listserv", "majordomo", "*-request", and "owner-*",
3245 taken from the Sieve specification recommendations.
3246
3247 (3) If the message contains any header line starting with "List-" it is
3248 treated as non-personal.
3249
3250 (4) The test for "circular" in the Subject: header line has been removed
3251 because it now seems ill-conceived.
3252
325315. Minor typos in src/EDITME comments corrected.
3254
325516. Installed latest exipick from John Jetmore.
3256
325717. If headers_add on a router specified a text string that was too long for
3258 string_sprintf() - that is, longer than 8192 bytes - Exim panicked. The use
3259 of string_sprintf() is now avoided.
3260
326118. $message_body_size was not set (it was always zero) when running the DATA
3262 ACL and the local_scan() function.
3263
326419. For the "mail" command in an Exim filter, no default was being set for
3265 the once_repeat time, causing a random time value to be used if "once" was
3266 specified. (If the value happened to be <= 0, no repeat happened.) The
3267 default is now 0s, meaning "never repeat". The "vacation" command was OK
3268 (its default is 7d). It's somewhat surprising nobody ever noticed this bug
3269 (I found it when inspecting the code).
3270
327120. There is now an overall timeout for performing a callout verification. It
3272 defaults to 4 times the callout timeout, which applies to individual SMTP
3273 commands during the callout. The overall timeout applies when there is more
3274 than one host that can be tried. The timeout is checked before trying the
3275 next host. This prevents very long delays if there are a large number of
3276 hosts and all are timing out (e.g. when the network connections are timing
3277 out). The value of the overall timeout can be changed by specifying an
3278 additional sub-option for "callout", called "maxwait". For example:
3279
3280 verify = sender/callout=5s,maxwait=20s
3281
328221. Add O_APPEND to the open() call for maildirsize files (Exim already seeks
3283 to the end before writing, but this should make it even safer).
3284
328522. Exim was forgetting that it had advertised PIPELINING for the second and
3286 subsequent messages on an SMTP connection. It was also not resetting its
3287 memory on STARTTLS and an internal HELO.
3288
328923. When Exim logs an SMTP synchronization error within a session, it now
3290 records whether PIPELINING has been advertised or not.
3291
329224. Added 3 instances of "(long int)" casts to time_t variables that were being
3293 formatted using %ld, because on OpenBSD (and perhaps others), time_t is int
3294 rather than long int.
3295
329625. Installed the latest Cygwin configuration files from the Cygwin maintainer.
3297
329826. Added the never_mail option to autoreply.
3299
3300
3301Exim version 4.41
3302-----------------
3303
3304 1. A reorganization of the code in order to implement 4.40/8 caused a daemon
3305 crash if the getsockname() call failed; this can happen if a connection is
3306 closed very soon after it is established. The problem was simply in the
3307 order in which certain operations were done, causing Exim to try to write
3308 to the SMTP stream before it had set up the file descriptor. The bug has
3309 been fixed by making things happen in the correct order.
3310
3311
3312Exim version 4.40
3313-----------------
3314
3315 1. If "drop" was used in a DATA ACL, the SMTP output buffer was not flushed
3316 before the connection was closed, thus losing the rejection response.
3317
3318 2. Commented out the definition of SOCKLEN_T in os.h-SunOS5. It is needed for
3319 some early Solaris releases, but causes trouble in current releases where
3320 socklen_t is defined.
3321
3322 3. When std{in,out,err} are closed, re-open them to /dev/null so that they
3323 always exist.
3324
3325 4. Minor refactoring of os.c-Linux to avoid compiler warning when IPv6 is not
3326 configured.
3327
3328 5. Refactoring in expand.c to improve memory usage. Pre-allocate a block so
3329 that releasing the top of it at the end releases what was used for sub-
3330 expansions (unless the block got too big). However, discard this block if
3331 the first thing is a variable or header, so that we can use its block when
3332 it is dynamic (useful for very large $message_headers, for example).
3333
3334 6. Lookups now cache *every* query, not just the most recent. A new, separate
3335 store pool is used for this. It can be recovered when all lookup caches are
3336 flushed. Lookups now release memory at the end of their result strings.
3337 This has involved some general refactoring of the lookup sources.
3338
3339 7. Some code has been added to the store_xxx() functions to reduce the amount
3340 of flapping under certain conditions.
3341
3342 8. log_incoming_interface used to affect only the <= reception log lines. Now
3343 it causes the local interface and port to be added to several more SMTP log
3344 lines, for example "SMTP connection from", and rejection lines.
3345
3346 9. The Sieve author supplied some patches for the doc/README.SIEVE file.
3347
334810. Added a conditional definition of _BSD_SOCKLEN_T to os.h-Darwin.
3349
335011. If $host_data was set by virtue of a hosts lookup in an ACL, its value
3351 could be overwritten at the end of the current message (or the start of a
3352 new message if it was set in a HELO ACL). The value is now preserved for
3353 the duration of the SMTP connection.
3354
335512. If a transport had a headers_rewrite setting, and a matching header line
3356 contained an unqualified address, that address was qualified, even if it
3357 did not match any rewriting rules. The underlying bug was that the values
3358 of the flags that permit the existence of unqualified sender and recipient
3359 addresses in header lines (set by {sender,recipient}_unqualified_hosts for
3360 non-local messages, and by -bnq for local messages) were not being
3361 preserved with the message after it was received.
3362
336313. When Exim was logging an SMTP synchronization error, it could sometimes log
3364 "next input=" as part of the text comprising the host identity instead of
3365 the correct text. The code was using the same buffer for two different
3366 strings. However, depending on which order the printing function evaluated
3367 its arguments, the bug did not always show up. Under Linux, for example, my
3368 test suite worked just fine.
3369
337014. Exigrep contained a use of Perl's "our" scoping after change 4.31/70. This
3371 doesn't work with some older versions of Perl. It has been changed to "my",
3372 which in any case is probably the better facility to use.
3373
337415. A really picky compiler found some instances of statements for creating
3375 error messages that either had too many or two few arguments for the format
3376 string.
3377
337816. The size of the buffer for calls to the DNS resolver has been increased
3379 from 1024 to 2048. A larger buffer is needed when performing PTR lookups
3380 for addresses that have a lot of PTR records. This alleviates a problem; it
3381 does not fully solve it.
3382
338317. A dnsdb lookup for PTR records that receives more data than will fit in the
3384 buffer now truncates the list and logs the incident, which is the same
3385 action as happens when Exim is looking up a host name and its aliases.
3386 Previously in this situation something unpredictable would happen;
3387 sometimes it was "internal error: store_reset failed".
3388
338918. If a server dropped the connection unexpectedly when an Exim client was
3390 using GnuTLS and trying to read a response, the client delivery process
3391 crashed while trying to generate an error log message.
3392
339319. If a "warn" verb in an ACL added multiple headers to a message in a single
3394 string, for example:
3395
3396 warn message = H1: something\nH2: something
3397
3398 the text was added as a single header line from Exim's point of view
3399 though it ended up OK in the delivered message. However, searching for the
3400 second and subsequent header lines using $h_h2: did not work. This has been
3401 fixed. Similarly, if a system filter added multiple headers in this way,
3402 the routers could not see them.
3403
340420. Expanded the error message when iplsearch is called with an invalid key to
3405 suggest using net-iplsearch in a host list.
3406
340721. When running tests using -bh, any delays imposed by "delay" modifiers in
3408 ACLs are no longer actually imposed (and a message to that effect is
3409 output).
3410
341122. If a "gecos" field in a passwd entry contained escaped characters, in
3412 particular, if it contained a \" sequence, Exim got it wrong when building
3413 a From: or a Sender: header from that name. A second bug also caused
3414 incorrect handling when an unquoted " was present following a character
3415 that needed quoting.
3416
341723. "{crypt}" as a password encryption mechanism for a "crypteq" expansion item
3418 was not being matched caselessly.
3419
342024. Arranged for all hyphens in the exim.8 source to be escaped with
3421 backslashes.
3422
342325. Change 16 of 4.32, which reversed 71 or 4.31 didn't quite do the job
3424 properly. Recipient callout cache records were still being keyed to include
3425 the sender, even when use_sender was set false. This led to far more
3426 callouts that were necessary. The sender is no longer included in the key
3427 when use_sender is false.
3428
342926. Added "control = submission" modifier to ACLs.
3430
343127. Added the ${base62d: operator to decode base 62 numbers.
3432
343328. dnsdb lookups can now access SRV records.
3434
343529. CONFIGURE_OWNER can be set at build time to define an alternative owner for
3436 the configuration file.
3437
343830. The debug message "delivering xxxxxx-xxxxxx-xx" is now output in verbose
3439 (-v) mode. This makes the output for a verbose queue run more intelligible.
3440
344131. Added a use_postmaster feature to recipient callouts.
3442
344332. Added the $body_zerocount variable, containing the number of binary zero
3444 bytes in the message body.
3445
344633. The time of last modification of the "new" subdirectory is now used as the
3447 "mailbox time last read" when there is a quota error for a maildir
3448 delivery.
3449
345034. Added string comparison operators lt, lti, le, lei, gt, gti, ge, gei.
3451
345235. Added +ignore_unknown as a special item in host lists.
3453
345436. Code for decoding IPv6 addresses in host lists is now included, even if
3455 IPv6 support is not being compiled. This fixes a bug in which an IPv6
3456 address was recognized as an IP address, but was then not correctly decoded
3457 into binary, causing unexpected and incorrect effects when compared with
3458 another IP address.
3459
3460
3461Exim version 4.34
3462-----------------
3463
3464 1. Very minor rewording of debugging text in manualroute to say "list of
3465 hosts" instead of "hostlist".
3466
3467 2. If verify=header_syntax was set, and a header line with an unqualified
3468 address (no domain) and a large number of spaces between the end of the
3469 name and the colon was received, the reception process suffered a buffer
3470 overflow, and (when I tested it) crashed. This was caused by some obsolete
3471 code that should have been removed. The fix is to remove it!
3472
3473 3. When running in the test harness, delay a bit after writing a bounce
3474 message to get a bit more predictability in the log output.
3475
3476 4. Added a call to search_tidyup() just before forking a reception process. In
3477 theory, someone could use a lookup in the expansion of smtp_accept_max_
3478 per_host which, without the tidyup, could leave open a database connection.
3479
3480 5. Added the variables $recipient_data and $sender_data which get set from a
3481 lookup success in an ACL "recipients" or "senders" condition, or a router
3482 "senders" option, similar to $domain_data and $local_part_data.
3483
3484 6. Moved the writing of debug_print from before to after the "senders" test
3485 for routers.
3486
3487 7. Change 4.31/66 (moving the time when the Received: is generated) caused
3488 problems for message scanning, either using a data ACL, or using
3489 local_scan() because the Received: header was not generated till after they
3490 were called (in order to set the time as the time of reception completion).
3491 I have revised the way this works. The header is now generated after the
3492 body is received, but before the ACL or local_scan() are called. After they
3493 are run, the timestamp in the header is updated.
3494
3495
3496Exim version 4.33
3497-----------------
3498
3499 1. Change 4.24/6 introduced a bug because the SIGALRM handler was disabled
3500 before starting a queue runner without re-exec. This happened only when
3501 deliver_drop_privilege was set or when the Exim user was set to root. The
3502 effect of the bug was that timeouts during subsequent deliveries caused
3503 crashes instead of being properly handled. The handler is now left at its
3504 default (and expected) setting.
3505
3506 2. The other case in which a daemon avoids a re-exec is to deliver an incoming
3507 message, again when deliver_drop_privilege is set or Exim is run as root.
3508 The bug described in (1) was not present in this case, but the tidying up
3509 of the other signals was missing. I have made the two cases consistent.
3510