Fix base64d() buffer size (CVE-2018-6789)
[exim.git] / doc / doc-txt / ChangeLog
CommitLineData
495ae4b0 1Change log file for Exim from version 4.21
f988ce57 2------------------------------------------
446415f5
HSHR
3This document describes *changes* to previous versions, that might
4affect Exim's operation, with an unchanged configuration file. For new
5options, and new features, see the NewStuff file next to this ChangeLog.
495ae4b0 6
4c57a40e 7
cf3cd306
HSHR
8Since Exim version 4.90
9-----------------------
459fca58
JH
10
11JH/01 Replace the store_release() internal interface with store_newblock(),
12 which internalises the check required to safely use the old one, plus
13 the allocate and data copy operations duplicated in both (!) of the
14 extant use locations.
15
944e8b37
JH
16JH/02 Disallow '/' characters in queue names specified for the "queue=" ACL
17 modifier. This matches the restriction on the commandline.
18
bbfb5dcd
JH
19JH/03 Fix pgsql lookup for multiple result-tuples with a single column.
20 Previously only the last row was returned.
21
a05d3e34
JH
22JH/04 Bug 2217: Tighten up the parsing of DKIM signature headers. Previously
23 we assumed that tags in the header were well-formed, and parsed the
24 element content after inspecting only the first char of the tag.
25 Assumptions at that stage could crash the receive process on malformed
26 input.
27
ce93c6d8
JH
28JH/05 Bug 2215: Fix crash associated with dnsdb lookup done from DKIM ACL.
29 While running the DKIM ACL we operate on the Permanent memory pool so that
30 variables created with "set" persist to the DATA ACL. Also (at any time)
31 DNS lookups that fail create cache records using the Permanent pool. But
32 expansions release any allocations made on the current pool - so a dnsdb
33 lookup expansion done in the DKIM ACL releases the memory used for the
34 DNS negative-cache, and bad things result. Solution is to switch to the
35 Main pool for expansions.
36 While we're in that code, add checks on the DNS cache during store_reset,
37 active in the testsuite.
38 Problem spotted, and debugging aided, by Wolfgang Breyha.
39
2577f55f
JH
40JH/06 Fix issue with continued-connections when the DNS shifts unreliably.
41 When none of the hosts presented to a transport match an already-open
42 connection, close it and proceed with the list. Previously we would
43 queue the message. Spotted by Lena with Yahoo, probably involving
44 round-robin DNS.
45
5b6f7658
JH
46JH/07 Bug 2214: Fix SMTP responses resulting from non-accept result of MIME ACL.
47 Previously a spurious "250 OK id=" response was appended to the proper
48 failure response.
49
c11d665d
JH
50JH/08 The "support for" informational output now, which built with Content
51 Scanning support, has a line for the malware scanner interfaces compiled
52 in. Interface can be individually included or not at build time.
e5ba8aa7
JH
53
54JH/09 The "aveserver", "kavdaemon" and "mksd" interfaces are now not included
55 by the template makefile "src/EDITME". The "STREAM" support for an older
56 ClamAV interface method is removed.
c11d665d 57
ba0e37b1
JH
58JH/10 Bug 2223: Fix mysql lookup returns for the no-data case (when the number of
59 rows affected is given instead).
60
96508de1
JH
61JH/11 The runtime Berkeley DB library version is now additionally output by
62 "exim -d -bV". Previously only the compile-time version was shown.
63
06fdb9f7
JH
64JH/12 Bug 2230: Fix cutthrough routing for nonfirst messages in an initiating
65 SMTP connection. Previously, when one had more receipients than the
66 first, an abortive onward connection was made. Move to full support for
67 multiple onward connections in sequence, handling cutthrough connection
68 for all multi-message initiating connections.
69
f83a760f
JH
70JH/13 Bug 2229: Fix cutthrough routing for nonstandard port numbers defined by
71 routers. Previously, a multi-recipient message would fail to match the
72 onward-connection opened for the first recipient, and cause its closure.
73
f1fed05b
JH
74JH/14 Bug 2174: A timeout on connect for a callout was also erroneously seen as
75 a timeout on read on a GnuTLS initiating connection, resulting in the
76 initiating connection being dropped. This mattered most when the callout
77 was marked defer_ok. Fix to keep the two timeout-detection methods
78 separate.
79
051d5efa
JH
80JH/15 Relax results from ACL control request to enable cutthrough, in
81 unsupported situations, from error to silently (except under debug)
82 ignoring. This covers use with PRDR, frozen messages, queue-only and
83 fake-reject.
84
cf3cd306
HSHR
85HS/01 Fix Buffer overflow in base64d() (CVE-2018-6789)
86
744976d4
JH
87JH/16 Fix bug in DKIM verify: a buffer overflow could corrupt the malloc
88 metadata, resulting in a crash in free().
89
aab9a843 90PP/01 Fix broken Heimdal GSSAPI authenticator integration.
7be14582 91 Broken in f2ed27cf5, missing an equals sign for specified-initialisers.
aab9a843 92 Broken also in d185889f4, with init system revamp.
7be14582 93
83d2a861
JH
94JH/17 Bug 2113: Fix conversation closedown with the Avast malware scanner.
95 Previously we abruptly closed the connection after reading a malware-
96 found indication; now we go on to read the "scan ok" response line,
97 and send a quit.
98
165acdd1
JH
99JH/18 Convert macro handling to be tree-based, from the previous linear list.
100 With the number of builtin macros we now have this is worthwhile,
101 dropping the config-file read time (during which new macros are checked
102 and registered, and macros are expanded) from about 500 usec to about 180.
103
bbfb5dcd 104
acfc18c3
PP
105Exim version 4.90
106-----------------
107
108JH/01 Rework error string handling in TLS interface so that the caller in
109 more cases is responsible for logging. This permits library-sourced
110 string to be attached to addresses during delivery, and collapses
111 pairs of long lines into single ones.
112
856d1e16
PP
113PP/01 Allow PKG_CONFIG_PATH to be set in Local/Makefile and use it correctly
114 during configuration. Wildcards are allowed and expanded.
115
b9df1829
JH
116JH/02 Rework error string handling in DKIM to pass more info back to callers.
117 This permits better logging.
118
875512a3
JH
119JH/03 Rework the transport continued-connection mechanism: when TLS is active,
120 do not close it down and have the child transport start it up again on
121 the passed-on TCP connection. Instead, proxy the child (and any
122 subsequent ones) for TLS via a unix-domain socket channel. Logging is
123 affected: the continued delivery log lines do not have any DNSSEC, TLS
5013d912 124 Certificate or OCSP information. TLS cipher information is still logged.
875512a3 125
fc3f96af
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126JH/04 Shorten the log line for daemon startup by collapsing adjacent sets of
127 identical IP addresses on different listening ports. Will also affect
128 "exiwhat" output.
129
98913c8e
BK
130PP/02 Bug 2070: uClibc defines __GLIBC__ without providing glibc headers;
131 add noisy ifdef guards to special-case this sillyness.
132 Patch from Bernd Kuhls.
133
8d909960
JH
134JH/05 Tighten up the checking in isip4 (et al): dotted-quad components larger
135 than 255 are no longer allowed.
136
7006ee24
JH
137JH/06 Default openssl_options to include +no_ticket, to reduce load on peers.
138 Disable the session-cache too, which might reduce our load. Since we
139 currrectly use a new context for every connection, both as server and
140 client, there is no benefit for these.
141 GnuTLS appears to not support tickets server-side by default (we don't
142 call gnutls_session_ticket_enable_server()) but client side is enabled
143 by default on recent versions (3.1.3 +) unless the PFS priority string
144 is used (3.2.4 +).
145
6e411084
PP
146PP/03 Add $SOURCE_DATE_EPOCH support for reproducible builds, per spec at
147 <https://reproducible-builds.org/specs/source-date-epoch/>.
148
4c2471ca
JH
149JH/07 Fix smtp transport use of limited max_rcpt under mua_wrapper. Previously
150 the check for any unsuccessful recipients did not notice the limit, and
151 erroneously found still-pending ones.
152
4e910c01
JH
153JH/08 Pipeline CHUNKING command and data together, on kernels that support
154 MSG_MORE. Only in-clear (not on TLS connections).
155
42055a33
JH
156JH/09 Avoid using a temporary file during transport using dkim. Unless a
157 transport-filter is involved we can buffer the headers in memory for
158 creating the signature, and read the spool data file once for the
159 signature and again for transmission.
160
eeb35890
JH
161JH/10 Enable use of sendfile in Linux builds as default. It was disabled in
162 4.77 as the kernel support then wasn't solid, having issues in 64bit
7d758a6a 163 mode. Now, it's been long enough. Add support for FreeBSD also.
eeb35890 164
b7d3afcf
JH
165JH/11 Bug 2104: Fix continued use of a transport connection with TLS. In the
166 case where the routing stage had gathered several addresses to send to
167 a host before calling the transport for the first, we previously failed
168 to close down TLS in the old transport process before passing the TCP
169 connection to the new process. The new one sent a STARTTLS command
170 which naturally failed, giving a failed delivery and bloating the retry
171 database. Investigation and fix prototype from Wolfgang Breyha.
172
40525d07
JH
173JH/12 Fix check on SMTP command input synchronisation. Previously there were
174 false-negatives in the check that the sender had not preempted a response
175 or prompt from Exim (running as a server), due to that code's lack of
a5ffa9b4 176 awareness of the SMTP input buffering.
40525d07 177
f33875c3
PP
178PP/04 Add commandline_checks_require_admin option.
179 Exim drops privileges sanely, various checks such as -be aren't a
180 security problem, as long as you trust local users with access to their
181 own account. When invoked by services which pass untrusted data to
182 Exim, this might be an issue. Set this option in main configuration
183 AND make fixes to the calling application, such as using `--` to stop
184 processing options.
185
a5ffa9b4
JH
186JH/13 Do pipelining under TLS. Previously, although safe, no advantage was
187 taken. Now take care to pack both (client) MAIL,RCPT,DATA, and (server)
188 responses to those, into a single TLS record each way (this usually means
189 a single packet). As a side issue, smtp_enforce_sync now works on TLS
190 connections.
925ac8e4 191
6600985a
PP
192PP/05 OpenSSL/1.1: use DH_bits() for more accurate DH param sizes. This
193 affects you only if you're dancing at the edge of the param size limits.
194 If you are, and this message makes sense to you, then: raise the
195 configured limit or use OpenSSL 1.1. Nothing we can do for older
196 versions.
197
ac4d558b
JH
198JH/14 For the "sock" variant of the malware scanner interface, accept an empty
199 cmdline element to get the documented default one. Previously it was
200 inaccessible.
201
e69636bc
JH
202JH/15 Fix a crash in the smtp transport caused when two hosts in succession
203 are unsuable for non-message-specific reasons - eg. connection timeout,
204 banner-time rejection.
205
a843a57e
JH
206JH/16 Fix logging of delivery remote port, when specified by router, under
207 callout/hold.
208
8e041ae0
PP
209PP/06 Repair manualroute's ability to take options in any order, even if one
210 is the name of a transport.
833c70bc
PP
211 Fixes bug 2140.
212
35a04365
HSHR
213HS/01 Cleanup, prevent repeated use of -p/-oMr (CVE-2017-1000369)
214
4226691b
JH
215JH/17 Change the list-building routines interface to use the expanding-string
216 triplet model, for better allocation and copying behaviour.
217
d185889f
JH
218JH/18 Prebuild the data-structure for "builtin" macros, for faster startup.
219 Previously it was constructed the first time a possibly-matching string
220 was met in the configuration file input during startup; now it is done
221 during compilation.
222
0a6c178c
JH
223JH/19 Bug 2141: Use the full-complex API for Berkeley DB rather than the legacy-
224 compatible one, to avoid the (poorly documented) possibility of a config
225 file in the working directory redirecting the DB files, possibly correpting
02745400 226 some existing file. CVE-2017-10140 assigned for BDB.
0a6c178c 227
fae8970d
JH
228JH/20 Bug 2147: Do not defer for a verify-with-callout-and-random which is not
229 cache-hot. Previously, although the result was properly cached, the
230 initial verify call returned a defer.
231
ad1a76fe 232JH/21 Bug 2151: Avoid using SIZE on the MAIL for a callout verify, on any but
14de8063
JH
233 the main verify for receipient in uncached-mode.
234
ad1a76fe
JH
235JH/22 Retire historical build files to an "unsupported" subdir. These are
236 defined as "ones for which we have no current evidence of testing".
237
135e9496
JH
238JH/23 DKIM: enforce the DNS pubkey record "h" permitted-hashes optional field,
239 if present. Previously it was ignored.
240
f2ed27cf
JH
241JH/24 Start using specified-initialisers in C structure init coding. This is
242 a C99 feature (it's 2017, so now considered safe).
243
7eb0e5d2
JH
244JH/25 Use one-bit bitfields for flags in the "addr" data structure. Previously
245 if was a fixed-sized field and bitmask ops via macros; it is now more
246 extensible.
247
4f9f4be4
248PP/07 GitHub PR 56: Apply MariaDB build fix.
249 Patch provided by Jaroslav Škarvada.
250
dc4de9cc
PP
251PP/08 Bug 2161: Fix regression in sieve quoted-printable handling introduced
252 during Coverity cleanups [4.87 JH/47]
253 Diagnosis and fix provided by Michael Fischer v. Mollard.
254
ea18931d
JH
255JH/26 Fix DKIM bug: when the pseudoheader generated for signing was exactly
256 the right size to place the terminating semicolon on its own folded
257 line, the header hash was calculated to an incorrect value thanks to
258 the (relaxed) space the fold became.
259
2cee425a
HSHR
260HS/02 Fix Bug 2130: large writes from the transport subprocess where chunked
261 and confused the parent.
262
848214f7
JH
263JH/27 Fix SOCKS bug: an unitialized pointer was deref'd by the transport process
264 which could crash as a result. This could lead to undeliverable messages.
265
9e0ed81f
JH
266JH/28 Logging: "next input sent too soon" now shows where input was truncated
267 for log purposes.
268
2540f2f8
JH
269JH/29 Fix queue_run_in_order to ignore the PID portion of the message ID. This
270 matters on fast-turnover and PID-randomising systems, which were getting
271 out-of-order delivery.
272
e5ab0ba9
JH
273JH/30 Fix a logging bug on aarch64: an unsafe routine was previously used for
274 a possibly-overlapping copy. The symptom was that "Remote host closed
275 connection in response to HELO" was logged instead of the actual 4xx
276 error for the HELO.
277
e99a3a6c
JH
278JH/31 Fix CHUNKING code to properly flush the unwanted chunk after an error.
279 Previously only that bufferd was discarded, resulting in SYMTP command
280 desynchronisation.
281
18067c75
JH
282JH/32 DKIM: when a message has multiple signatures matching an identity given
283 in dkim_verify_signers, run the dkim acl once for each. Previously only
284 one run was done. Bug 2189.
285
72934ba7
JH
286JH/33 Downgrade an unfound-list name (usually a typo in the config file) from
287 "panic the current process" to "deliberately defer". The panic log is
288 still written with the problem list name; the mail and reject logs now
289 get a temp-reject line for the message that was being handled, saying
290 something like "domains check lookup or other defer". The SMTP 451
291 message is still "Temporary local problem".
292
625667b6
JH
293JH/34 Bug 2199: Fix a use-after-free while reading smtp input for header lines.
294 A crafted sequence of BDAT commands could result in in-use memory beeing
b488395f
JH
295 freed. CVE-2017-16943.
296
297HS/03 Bug 2201: Fix checking for leading-dot on a line during headers reading
298 from SMTP input. Previously it was always done; now only done for DATA
299 and not BDAT commands. CVE-2017-16944.
625667b6 300
d21bf202
JH
301JH/35 Bug 2201: Flush received data in BDAT mode after detecting an error fatal
302 to the message (such as an overlong header line). Previously this was
303 not done and we did not exit BDAT mode. Followon from the previous item
304 though a different problem.
305
acfc18c3 306
fd047340 307Exim version 4.89
acfc18c3 308-----------------
4c57a40e 309
9427e879 310JH/01 Bug 1922: Support IDNA2008. This has slightly different conversion rules
4c04137d 311 than -2003 did; needs libidn2 in addition to libidn.
fd047340 312
7b283890
JH
313JH/02 The path option on a pipe transport is now expanded before use.
314
4c57a40e
PP
315PP/01 GitHub PR 50: Do not call ldap_start_tls_s on ldapi:// connections.
316 Patch provided by "Björn", documentation fix added too.
317
5d036699
JH
318JH/03 Bug 2003: fix Proxy Protocol v2 handling: the address size field was
319 missing a wire-to-host endian conversion.
320
f4630439
JH
321JH/04 Bug 2004: fix CHUNKING in non-PIPELINEING mode. Chunk data following
322 close after a BDAT command line could be taken as a following command,
323 giving a synch failure. Fix by only checking for synch immediately
324 before acknowledging the chunk.
325
f988ce57
JS
326PP/02 GitHub PR 52: many spelling fixes, which include fixing parsing of
327 no_require_dnssec option and creation of _HAVE_TRANSPORT_APPEND_MAILDIR
328 macro. Patches provided by Josh Soref.
329
bd8fbe36
JH
330JH/05 Have the EHLO response advertise VRFY, if there is a vrfy ACL defined.
331 Previously we did not; the RFC seems ambiguous and VRFY is not listed
332 by IANA as a service extension. However, John Klensin suggests that we
333 should.
334
335JH/06 Bug 2017: Fix DKIM verification in -bh test mode. The data feed into
b895f4b2
JH
336 the dkim code may be unix-mode line endings rather than smtp wire-format
337 CRLF, so prepend a CR to any bare LF.
fd047340 338
bd8fbe36 339JH/07 Rationalise the coding for callout smtp conversations and transport ones.
902fbd69
JH
340 As a side-benfit, callouts can now use PIPELINING hence fewer round-trips.
341
bd8fbe36
JH
342JH/08 Bug 2016: Fix DKIM verification vs. CHUNKING. Any BDAT commands after
343 the first were themselves being wrongly included in the feed into dkim
344 processing; with most chunk sizes in use this resulted in an incorrect
345 body hash calculated value.
346
eea19017
JH
347JH/09 Bug 2014: permit inclusion of a DKIM-Signature header in a received
348 DKIM signature block, for verification. Although advised against by
349 standards it is specifically not ruled illegal.
350
44e6651b
JH
351JH/10 Bug 2025: Fix reception of (quoted) local-parts with embedded spaces.
352
353JH/11 Bug 2029: Fix crash in DKIM verification when a message signature block is
354 missing a body hash (the bh= tag).
355
356JH/12 Bug 2018: Re-order Proxy Protocol startup versus TLS-on-connect startup.
357 It seems that HAProxy sends the Proxy Protocol information in clear and
358 only then does a TLS startup, so do the same.
359
360JH/13 Bug 2027: Avoid attempting to use TCP Fast Open for non-transport client
361 TCP connections (such as for Spamd) unless the daemon successfully set
362 Fast Open mode on its listening sockets. This fixes breakage seen on
363 too-old kernels or those not configured for Fast Open, at the cost of
364 requiring both directions being enabled for TFO, and TFO never being used
365 by non-daemon-related Exim processes.
366
367JH/14 Bug 2000: Reject messages recieved with CHUNKING but with malformed line
368 endings, at least on the first header line. Try to canonify any that get
369 past that check, despite the cost.
370
b6040544
JH
371JH/15 Angle-bracket nesting (an error inserted by broken sendmails) levels are
372 now limited to an arbitrary five deep, while parsing addresses with the
373 strip_excess_angle_brackets option enabled.
374
f700ea4d
PP
375PP/03 Bug 2018: For Proxy Protocol and TLS-on-connect, do not over-read and
376 instead leave the unprompted TLS handshake in socket buffer for the
377 TLS library to consume.
378
da88acae
PP
379PP/04 Bug 2018: Also handle Proxy Protocol v2 safely.
380
f6ef9370
PP
381PP/05 FreeBSD compat: handle that Ports no longer create /usr/bin/perl
382
90341c71
JH
383JH/16 Drop variables when they go out of scope. Memory management drops a whole
384 region in one operation, for speed, and this leaves assigned pointers
385 dangling. Add checks run only under the testsuite which checks all
386 variables at a store-reset and panics on a dangling pointer; add code
387 explicitly nulling out all the variables discovered. Fixes one known
388 bug: a transport crash, where a dangling pointer for $sending_ip_address
389 originally assigned in a verify callout, is re-used.
390
1ec2ab36
PP
391PP/06 Drop '.' from @INC in various Perl scripts.
392
393PP/07 Switch FreeBSD iconv to always use the base-system libc functions.
394
395PP/08 Reduce a number of compilation warnings under clang; building with
396 CC=clang CFLAGS+=-Wno-dangling-else -Wno-logical-op-parentheses
397 should be warning-free.
398
8b2b9480
PP
399JH/17 Fix inbound CHUNKING when DKIM disabled at runtime.
400
401HS/01 Fix portability problems introduced by PP/08 for platforms where
402 realloc(NULL) is not equivalent to malloc() [SunOS et al].
403
d953610f
HSHR
404HS/02 Bug 1974: Fix missing line terminator on the last received BDAT
405 chunk. This allows us to accept broken chunked messages. We need a more
406 general solution here.
407
7dc5f827
PP
408PP/09 Wrote util/chunking_fixqueue_finalnewlines.pl to help recover
409 already-broken messages in the queue.
410
4bb432cb
PP
411JH/18 Bug 2061: Fix ${extract } corrupting an enclosing ${reduce } $value.
412
3b1a84c8
PP
413JH/19 Fix reference counting bug in routing-generated-address tracking.
414
902fbd69 415
8d042305
JH
416Exim version 4.88
417-----------------
4c57a40e 418
9094b84b
JH
419JH/01 Use SIZE on MAIL FROM in a cutthrough connection, if the destination
420 supports it and a size is available (ie. the sending peer gave us one).
8d042305 421
03d5892b
JH
422JH/02 The obsolete acl condition "demime" is removed (finally, after ten
423 years of being deprecated). The replacements are the ACLs
424 acl_smtp_mime and acl_not_smtp_mime.
425
4b0fe319
JH
426JH/03 Upgrade security requirements imposed for hosts_try_dane: previously
427 a downgraded non-dane trust-anchor for the TLS connection (CA-style)
428 or even an in-clear connection were permitted. Now, if the host lookup
429 was dnssec and dane was requested then the host is only used if the
430 TLSA lookup succeeds and is dnssec. Further hosts (eg. lower priority
431 MXs) will be tried (for hosts_try_dane though not for hosts_require_dane)
432 if one fails this test.
433 This means that a poorly-configured remote DNS will make it incommunicado;
434 but it protects against a DNS-interception attack on it.
435
789f8a4f
JH
436JH/04 Bug 1810: make continued-use of an open smtp transport connection
437 non-noisy when a race steals the message being considered.
438
23bb6982 439JH/05 If main configuration option tls_certificate is unset, generate a
f59aaaaa 440 self-signed certificate for inbound TLS connections.
23bb6982 441
0bd1b1ed 442JH/06 Bug 165: hide more cases of password exposure - this time in expansions
f42deca9 443 in rewrites and routers.
0bd1b1ed 444
20b9a2dc
JH
445JH/07 Retire gnutls_require_mac et.al. These were nonfunctional since 4.80
446 and logged a warning sing 4.83; now they are a configuration file error.
447
05392bbc
JH
448JH/08 Bug 1836: Fix crash in VRFY handling when handed an unqualified name
449 (lacking @domain). Apply the same qualification processing as RCPT.
450
1a6230a3
JH
451JH/09 Bug 1804: Avoid writing msglog files when in -bh or -bhc mode.
452
cfab9d68
JH
453JH/10 Support ${sha256:} applied to a string (as well as the previous
454 certificate).
455
98c82a3d
JH
456JH/11 Cutthrough: avoid using the callout hints db on a verify callout when
457 a cutthrough deliver is pending, as we always want to make a connection.
458 This also avoids re-routing the message when later placing the cutthrough
459 connection after a verify cache hit.
460 Do not update it with the verify result either.
461
462JH/12 Cutthrough: disable when verify option success_on_redirect is used, and
463 when routing results in more than one destination address.
464
ae8386f0
JH
465JH/13 Cutthrough: expand transport dkim_domain option when testing for dkim
466 signing (which inhibits the cutthrough capability). Previously only
467 the presence of an option was tested; now an expansion evaluating as
468 empty is permissible (obviously it should depend only on data available
469 when the cutthrough connection is made).
470
0d9fa8c0
JH
471JH/14 Fix logging of errors under PIPELINING. Previously the log line giving
472 the relevant preceding SMTP command did not note the pipelining mode.
473
3581f321
JH
474JH/15 Fix counting of empty lines in $body_linecount and $message_linecount.
475 Previously they were not counted.
476
ef3a1a30
JH
477JH/16 DANE: treat a TLSA lookup response having all non-TLSA RRs, the same
478 as one having no matching records. Previously we deferred the message
479 that needed the lookup.
480
4c04137d 481JH/17 Fakereject: previously logged as a normal message arrival "<="; now
27b9e5f4
JH
482 distinguished as "(=".
483
1435d4b2
JH
484JH/18 Bug 1867: make the fail_defer_domains option on a dnslookup router work
485 for missing MX records. Previously it only worked for missing A records.
486
eea0defe
JB
487JH/19 Bug 1850: support Radius libraries that return REJECT_RC.
488
489JH/20 Bug 1872: Ensure that acl_smtp_notquit is run when the connection drops
490 after the data-go-ahead and data-ack. Patch from Jason Betts.
860cdda2 491
4c04137d 492JH/21 Bug 1846: Send DMARC forensic reports for reject and quarantine results,
72a201e2
TM
493 even for a "none" policy. Patch from Tony Meyer.
494
1c788856
JH
495JH/22 Fix continued use of a connection for further deliveries. If a port was
496 specified by a router, it must also match for the delivery to be
497 compatible.
498
e3b1f624
JH
499JH/23 Bug 1874: fix continued use of a connection for further deliveries.
500 When one of the recipients of a message was unsuitable for the connection
501 (has no matching addresses), we lost track of needing to mark it
502 deferred. As a result mail would be lost.
503
a57ce043
JH
504JH/24 Bug 1832: Log EHLO response on getting conn-close response for HELO.
505
f59aaaaa 506JH/25 Decoding ACL controls is now done using a binary search; the source code
2d009132
JH
507 takes up less space and should be simpler to maintain. Merge the ACL
508 condition decode tables also, with similar effect.
d7bed771 509
d1f9fb42
JH
510JH/26 Fix problem with one_time used on a redirect router which returned the
511 parent address unchanged. A retry would see the parent address marked as
512 delivered, so not attempt the (identical) child. As a result mail would
513 be lost.
514
92b0827a
JH
515JH/27 Fix a possible security hole, wherein a process operating with the Exim
516 UID can gain a root shell. Credit to http://www.halfdog.net/ for
517 discovery and writeup. Ubuntu bug 1580454; no bug raised against Exim
518 itself :(
519
ddf1b11a
JH
520JH/28 Enable {spool,log} filesystem space and inode checks as default.
521 Main config options check_{log,spool}_{inodes,space} are now
522 100 inodes, 10MB unless set otherwise in the configuration.
523
3cc3f762
JH
524JH/29 Fix the connection_reject log selector to apply to the connect ACL.
525 Previously it only applied to the main-section connection policy
526 options.
527
ae5afa61
JH
528JH/30 Bug 1897: fix callouts connection fallback from TLS to cleartext.
529
317e40ac
PP
530PP/01 Changed default Diffie-Hellman parameters to be Exim-specific, created
531 by me. Added RFC7919 DH primes as an alternative.
532
8b0fb68e
PP
533PP/02 Unbreak build via pkg-config with new hash support when crypto headers
534 are not in the system include path.
535
ad7fc6eb 536JH/31 Fix longstanding bug with aborted TLS server connection handling. Under
f59aaaaa 537 GnuTLS, when a session startup failed (eg because the client disconnected)
ad7fc6eb
JH
538 Exim did stdio operations after fclose. This was exposed by a recent
539 change which nulled out the file handle after the fclose.
ad7fc6eb 540
ee5b1e28
JH
541JH/32 Bug 1909: Fix OCSP proof verification for cases where the proof is
542 signed directly by the cert-signing cert, rather than an intermediate
543 OCSP-signing cert. This is the model used by LetsEncrypt.
544
5ddc9771
JH
545JH/33 Bug 1914: Ensure socket is nonblocking before draining after SMTP QUIT.
546
8d73599f
JH
547HS/01 Fix leak in verify callout under GnuTLS, about 3MB per recipient on
548 an incoming connection.
549
446415f5
HSHR
550HS/02 Bug 1802: Do not half-close the connection after sending a request
551 to rspamd.
552
8e53a4fc
HSHR
553HS/03 Use "auto" as the default EC curve parameter. For OpenSSL < 1.0.2
554 fallback to "prime256v1".
8d042305 555
87cb4a16 556JH/34 SECURITY: Use proper copy of DATA command in error message.
4c57a40e 557 Could leak key material. Remotely exploitable. CVE-2016-9963.
87cb4a16
JH
558
559
0d9b78be
JH
560Exim version 4.87
561-----------------
4c57a40e 562
82d14d6a
JH
563JH/01 Bug 1664: Disable OCSP for GnuTLS library versions at/before 3.3.16
564 and 3.4.4 - once the server is enabled to respond to an OCSP request
565 it does even when not requested, resulting in a stapling non-aware
566 client dropping the TLS connection.
0d9b78be 567
6c6d6e48
TF
568TF/01 Code cleanup: Overhaul the debug_selector and log_selector machinery to
569 support variable-length bit vectors. No functional change.
570
ac881e27
TF
571TF/02 Improve the consistency of logging incoming and outgoing interfaces.
572 The I= interface field on outgoing lines is now after the H= remote
573 host field, same as incoming lines. There is a separate
574 outgoing_interface log selector which allows you to disable the
575 outgoing I= field.
576
c8899c20
JH
577JH/02 Bug 728: Close logfiles after a daemon-process "exceptional" log write.
578 If not running log_selector +smtp_connection the mainlog would be held
579 open indefinitely after a "too many connections" event, including to a
580 deleted file after a log rotate. Leave the per net connection logging
581 leaving it open for efficiency as that will be quickly detected by the
582 check on the next write.
583
f1b81d81
HSHR
584HS/01 Bug 1671: Fix post transport crash.
585 Processing the wait-<transport> messages could crash the delivery
586 process if the message IDs didn't exist for some reason. When
587 using 'split_spool_directory=yes' the construction of the spool
588 file name failed already, exposing the same netto behaviour.
589
f38917cc
JH
590JH/03 Bug 425: Capture substrings in $regex1, $regex2 etc from regex &
591 mime_regex ACL conditions.
592
895fbaf2
JH
593JH/04 Bug 1686: When compiled with EXPERIMENTAL_DSN_INFO: Add extra information
594 to DSN fail messages (bounces): remote IP, remote greeting, remote response
595 to HELO, local diagnostic string.
596
805bb5c3
JH
597JH/05 Downgrade message for a TLS-certificate-based authentication fail from
598 log line to debug. Even when configured with a tls authenticator many
599 client connections are expected to not authenticate in this way, so
600 an authenticate fail is not an error.
601
56c2a7be
HSHR
602HS/02 Add the Exim version string to the process info. This way exiwhat
603 gives some more detail about the running daemon.
604
4c04137d 605JH/06 Bug 1395: time-limit caching of DNS lookups, to the TTL value. This may
14b3c5bc
JH
606 matter for fast-change records such as DNSBLs.
607
6f6dedcc
JH
608JH/07 Bug 1678: Always record an interface option value, if set, as part of a
609 retry record, even if constant. There may be multiple transports with
610 different interface settings and the retry behaviour needs to be kept
611 distinct.
612
0f557e90
JH
613JH/08 Bug 1586: exiqgrep now refuses to run if there are unexpected arguments.
614
615JH/09 Bug 1700: ignore space & tab embedded in base64 during decode.
616
ec0eb1a3
JH
617JH/10 Bug 840: fix log_defer_output option of pipe transport
618
41e93589
JH
619JH/11 Bug 830: use same host for all RCPTS of a message, even under
620 hosts_randomize. This matters a lot when combined with mua_wrapper.
621
98b98887 622JH/12 Bug 1706: percent and underbar characters are no longer escaped by the
376d2ec0
JH
623 ${quote_pgsql:<string>} operator.
624
98b98887
JH
625JH/13 Bug 1708: avoid misaligned access in cached lookup.
626
858e91c2
JH
627JH/14 Change header file name for freeradius-client. Relevant if compiling
628 with Radius support; from the Gentoo tree and checked under Fedora.
629
630JH/15 Bug 1712: Introduce $prdr_requested flag variable
631
6ff55e50
JH
632JH/16 Bug 1714: Permit an empty string as expansion result for transport
633 option transport_filter, meaning no filtering.
634
3b957582
JB
635JH/17 Bug 1713: Fix non-PDKIM_DEBUG build. Patch from Jasen Betts.
636
23f3dc67
JH
637JH/18 Bug 1709: When built with TLS support, the tls_advertise_hosts option now
638 defaults to "*" (all hosts). The variable is now available when not built
4c04137d 639 with TLS, default unset, mainly to enable keeping the testsuite sane.
23f3dc67
JH
640 If a server certificate is not supplied (via tls_certificate) an error is
641 logged, and clients will find TLS connections fail on startup. Presumably
642 they will retry in-clear.
643 Packagers of Exim are strongly encouraged to create a server certificate
644 at installation time.
645
240c288f
JH
646HS/03 Add -bP config_file as a synonym for -bP configure_file, for consistency
647 with the $config_file variable.
648
5ef5dd52
JB
649JH/19 Two additional event types: msg:rcpt:defer and msg:rcpt:host:defer. Both
650 in transport context, after the attempt, and per-recipient. The latter type
651 is per host attempted. The event data is the error message, and the errno
652 information encodes the lookup type (A vs. MX) used for the (first) host,
4c04137d 653 and the trailing two digits of the smtp 4xx response.
5ef5dd52 654
e161710d
GF
655GF/01 Bug 1715: Fix for race condition in exicyclog, where exim could attempt
656 to write to mainlog (or rejectlog, paniclog) in the window between file
657 creation and permissions/ownership being changed. Particularly affects
658 installations where exicyclog is run as root, rather than exim user;
659 result is that the running daemon panics and dies.
660
a159f203
JH
661JH/20 Bug 1701: For MySQL lookups, support MySQL config file option group names.
662
7f06582c
JH
663JH/21 Bug 1720: Add support for priority groups and weighted-random proxy
664 selection for the EXPERIMENTAL_SOCKS feature, via new per-proxy options
665 "pri" and "weight". Note that the previous implicit priority given by the
666 list order is no longer honoured.
667
4c04137d 668JH/22 Bugs 963, 1721: Fix some corner cases in message body canonicalization
abe1010c
JH
669 for DKIM processing.
670
f0989ec0
JH
671JH/23 Move SOCKS5 support from Experimental to mainline, enabled for a build
672 by defining SUPPORT_SOCKS.
74f150bf 673
cee5f132
JH
674JH/26 Move PROXY support from Experimental to mainline, enabled for a build
675 by defining SUPPORT_PROXY. Note that the proxy_required_hosts option
e6d2a989
JH
676 is renamed to hosts_proxy, and the proxy_{host,target}_{address,port}.
677 variables are renamed to proxy_{local,external}_{address,port}.
cee5f132 678
8c5d388a
JH
679JH/27 Move Internationalisation support from Experimental to mainline, enabled
680 for a build by defining SUPPORT_I18N
681
2d8d625b
JH
682JH/28 Bug 1745: Fix redis lookups to handle (quoted) spaces embedded in parts
683 of the query string, and make ${quote_redis:} do that quoting.
684
0cbf2b82
JH
685JH/29 Move Events support from Experimental to mainline, enabled by default
686 and removable for a build by defining DISABLE_EVENT.
687
f2f2c91b
JH
688JH/30 Updated DANE implementation code to current from Viktor Dukhovni.
689
ce325893
JH
690JH/31 Fix bug with hosts_connection_nolog and named-lists which were wrongly
691 cached by the daemon.
692
de78e2d5
JH
693JH/32 Move Redis support from Experimental to mainline, enabled for a build
694 by defining LOOKUP_REDIS. The libhiredis library is required.
695
379ba7d0
JH
696JH/33 Bug 1748: Permit ACL dnslists= condition in non-smtp ACLs if explicit
697 keys are given for lookup.
698
f444c2c7
JH
699JH/34 Bug 1192: replace the embedded copy of PolarSSL RSA routines in the DKIM
700 support, by using OpenSSL or GnuTLS library ones. This means DKIM is
07c73177
JH
701 only supported when built with TLS support. The PolarSSL SHA routines
702 are still used when the TLS library is too old for convenient support.
f444c2c7 703
a57b6200
JH
704JH/35 Require SINGLE_DH_USE by default in OpenSSL (main config option
705 openssl_options), for security. OpenSSL forces this from version 1.1.0
706 server-side so match that on older versions.
707
07c73177 708JH/36 Bug 1778: longstanding bug in memory use by the ${run } expansion: A fresh
fa01e4f8 709 allocation for $value could be released as the expansion processing
07c73177 710 concluded, but leaving the global pointer active for it.
fa01e4f8 711
4f6ae5c3
JH
712JH/37 Bug 1769: Permit a VRFY ACL to override the default 252 response,
713 and to use the domains and local_parts ACL conditions.
714
1bc460a6
JH
715JH/38 Fix cutthrough bug with body lines having a single dot. The dot was
716 incorrectly not doubled on cutthrough transmission, hence seen as a
717 body-termination at the receiving system - resulting in truncated mails.
62ac2eb7 718 Commonly the sender saw a TCP-level error, and retransmitted the message
1bc460a6
JH
719 via the normal store-and-forward channel. This could result in duplicates
720 received - but deduplicating mailstores were liable to retain only the
721 initial truncated version.
722
ab9152ff 723JH/39 Bug 1781: Fix use of DKIM private-keys having trailing '=' in the base-64.
df3def24 724
67e87fcf
JH
725JH/40 Fix crash in queryprogram router when compiled with EXPERIMENTAL_SRS.
726
ab9152ff
JH
727JH/41 Bug 1792: Fix selection of headers to sign for DKIM: bottom-up. While
728 we're in there, support oversigning also; bug 1309.
729
af483912
JH
730JH/42 Bug 1796: Fix error logged on a malware scanner connection failure.
731
bc3c7bb7 732HS/04 Add support for keep_environment and add_environment options.
df3def24 733
13559da6
JH
734JH/43 Tidy coding issues detected by gcc --fsanitize=undefined. Some remain;
735 either intentional arithmetic overflow during PRNG, or testing config-
736 induced overflows.
737
59eaad2b
JH
738JH/44 Bug 1800: The combination of a -bhc commandline option and cutthrough
739 delivery resulted in actual delivery. Cancel cutthrough before DATA
740 stage.
741
f9334a28
JH
742JH/45 Fix cutthrough, when connection not opened by verify and target hard-
743 rejects a recipient: pass the reject to the originator.
744
dc8091e7
JH
745JH/46 Multiple issues raised by Coverity. Some were obvious or plausible bugs.
746 Many were false-positives and ignorable, but it's worth fixing the
747 former class.
748
dfe7d917
JH
749JH/47 Fix build on HP-UX and older Solaris, which need (un)setenv now also
750 for the new environment-manipulation done at startup. Move the routines
751 from being local to tls.c to being global via the os.c file.
752
93cc2d6e
JH
753JH/48 Bug 1807: Fix ${extract } for the numeric/3-string case. While preparsing
754 an extract embedded as result-arg for a map, the first arg for extract
755 is unavailable so we cannot tell if this is a numbered or keyed
756 extraction. Accept either.
757
13559da6 758
9c695f6d
JH
759Exim version 4.86
760-----------------
4c57a40e 761
9c695f6d
JH
762JH/01 Bug 1545: The smtp transport option "retry_include_ip_address" is now
763 expanded.
764
506900af
JH
765JH/02 The smtp transport option "multi_domain" is now expanded.
766
ad07e9ad
JH
767JH/03 The smtp transport now requests PRDR by default, if the server offers
768 it.
769
01a4a5c5 770JH/04 Certificate name checking on server certificates, when exim is a client,
b3ef41c9 771 is now done by default. The transport option tls_verify_cert_hostnames
01a4a5c5
JH
772 can be used to disable this per-host. The build option
773 EXPERIMENTAL_CERTNAMES is withdrawn.
774
cb1d7830 775JH/05 The value of the tls_verify_certificates smtp transport and main options
0e0f3f56 776 default to the word "system" to access the system default CA bundle.
cb1d7830
JH
777 For GnuTLS, only version 3.0.20 or later.
778
610ff438 779JH/06 Verification of the server certificate for a TLS connection is now tried
6d580f19
JH
780 (but not required) by default. The verification status is now logged by
781 default, for both outbound TLS and client-certificate supplying inbound
782 TLS connections
610ff438 783
f926e272
JH
784JH/07 Changed the default rfc1413 lookup settings to disable calls. Few
785 sites use this now.
786
50dc7409
JH
787JH/08 The EXPERIMENTAL_DSN compile option is no longer needed; all Delivery
788 Status Notification (bounce) messages are now MIME format per RFC 3464.
789 Support for RFC 3461 DSN options NOTIFY,ENVID,RET,ORCPT can be advertised
790 under the control of the dsn_advertise_hosts option, and routers may
791 have a dsn_lasthop option.
792
0f0c8159
JH
793JH/09 A timeout of 2 minutes is now applied to all malware scanner types by
794 default, modifiable by a malware= option. The list separator for
23763898 795 the options can now be changed in the usual way. Bug 68.
4e71661f 796
1ad6489e
JH
797JH/10 The smtp_receive_timeout main option is now expanded before use.
798
aeaf5db3
JH
799JH/11 The incoming_interface log option now also enables logging of the
800 local interface on delivery outgoing connections.
801
5032d1cf
JH
802JH/12 The cutthrough-routing facility now supports multi-recipient mails,
803 if the interface and destination host and port all match.
804
7e8360e6
JH
805JH/13 Bug 344: The verify = reverse_host_lookup ACL condition now accepts a
806 /defer_ok option.
807
c5f280e2
AL
808JH/14 Bug 1573: The spam= ACL condition now additionally supports Rspamd.
809 Patch from Andrew Lewis.
810
fd4d8871 811JH/15 Bug 670: The spamd_address main option (for the spam= ACL condition)
dc7b3d36 812 now supports optional time-restrictions, weighting, and priority
fd4d8871
R
813 modifiers per server. Patch originally by <rommer@active.by>.
814
815JH/16 The spamd_address main option now supports a mixed list of local
2aad5761
JH
816 and remote servers. Remote servers can be IPv6 addresses, and
817 specify a port-range.
fd4d8871 818
23763898
JH
819JH/17 Bug 68: The spamd_address main option now supports an optional
820 timeout value per server.
821
2ad78978
JH
822JH/18 Bug 1581: Router and transport options headers_add/remove can
823 now have the list separator specified.
824
8a512ed5 825JH/19 Bug 392: spamd_address, and clamd av_scanner, now support retry
cfab9d68 826 option values.
8a512ed5 827
82c0c8ea 828JH/20 Bug 1571: Ensure that $tls_in_peerdn is set, when verification fails
f69979cf
JH
829 under OpenSSL.
830
cc00f4af
JH
831JH/21 Support for the A6 type of dns record is withdrawn.
832
82c0c8ea
JH
833JH/22 Bug 608: The result of a QUIT or not-QUIT toplevel ACL now matters
834 rather than the verbs used.
835
b980ed83
JH
836JH/23 Bug 1572: Increase limit on SMTP confirmation message copy size
837 from 255 to 1024 chars.
838
6c9ed72e
JH
839JH/24 Verification callouts now attempt to use TLS by default.
840
cfab9d68 841HS/01 DNSSEC options (dnssec_require_domains, dnssec_request_domains)
99c1bb4e 842 are generic router options now. The defaults didn't change.
50dc7409 843
f846c8f5
JH
844JH/25 Bug 466: Add RFC2322 support for MIME attachment filenames.
845 Original patch from Alexander Shikoff, worked over by JH.
846
fd4c285c
HSHR
847HS/02 Bug 1575: exigrep falls back to autodetection of compressed
848 files if ZCAT_COMMAND is not executable.
849
4c04137d 850JH/26 Bug 1539: Add timeout/retry options on dnsdb lookups.
fd7f7910 851
d2a2c69b
JH
852JH/27 Bug 286: Support SOA lookup in dnsdb lookups.
853
8241d8dd
JH
854JH/28 Bug 1588: Do not use the A lookup following an AAAA for setting the FQDN.
855 Normally benign, it bites when the pair was led to by a CNAME;
4c04137d 856 modern usage is to not canonicalize the domain to a CNAME target
8241d8dd
JH
857 (and we were inconsistent anyway for A-only vs AAAA+A).
858
1f12df4d
JH
859JH/29 Bug 1632: Removed the word "rejected" from line logged for ACL discards.
860
1f155f8e
JH
861JH/30 Check the forward DNS lookup for DNSSEC, in addition to the reverse,
862 when evaluating $sender_host_dnssec.
863
1705dd20
JH
864JH/31 Check the HELO verification lookup for DNSSEC, adding new
865 $sender_helo_dnssec variable.
866
038597d2
PP
867JH/32 Bug 1397: Enable ECDHE on OpenSSL, just the NIST P-256 curve.
868
474f71bf
JH
869JH/33 Bug 1346: Note MAIL cmd seen in -bS batch, to avoid smtp_no_mail log.
870
7137ca4b
JH
871JH/34 Bug 1648: Fix a memory leak seen with "mailq" and large queues.
872
dcb1095c
JH
873JH/35 Bug 1642: Fix support of $spam_ variables at delivery time. Was
874 documented as working, but never had. Support all but $spam_report.
875
2f460950
JH
876JH/36 Bug 1659: Guard checking of input smtp commands again pseudo-command
877 added for tls authenticator.
878
2f680c0c
HSHR
879HS/03 Add perl_taintmode main config option
880
9c695f6d 881
e449c3b0
TL
882Exim version 4.85
883-----------------
4c57a40e 884
e449c3b0
TL
885TL/01 When running the test suite, the README says that variables such as
886 no_msglog_check are global and can be placed anywhere in a specific
887 test's script, however it was observed that placement needed to be near
888 the beginning for it to behave that way. Changed the runtest perl
889 script to read through the entire script once to detect and set these
890 variables, reset to the beginning of the script, and then run through
891 the script parsing/test process like normal.
892
ac20058f
TL
893TL/02 The BSD's have an arc4random API. One of the functions to induce
894 adding randomness was arc4random_stir(), but it has been removed in
895 OpenBSD 5.5. Detect this OpenBSD version and skip calling this
896 function when detected.
897
a9b8ec8b
JH
898JH/01 Expand the EXPERIMENTAL_TPDA feature. Several different events now
899 cause callback expansion.
900
6286d7c4
TL
901TL/03 Bugzilla 1518: Clarify "condition" processing in routers; that
902 syntax errors in an expansion can be treated as a string instead of
903 logging or causing an error, due to the internal use of bool_lax
904 instead of bool when processing it.
905
0f06b4f2 906JH/02 Add EXPERIMENTAL_DANE, allowing for using the DNS as trust-anchor for
d567a64d
JH
907 server certificates when making smtp deliveries.
908
be36e572
JH
909JH/03 Support secondary-separator specifier for MX, SRV, TLSA lookups.
910
ac4ef9bd
JH
911JH/04 Add ${sort {list}{condition}{extractor}} expansion item.
912
0eb51736
TL
913TL/04 Bugzilla 1216: Add -M (related messages) option to exigrep.
914
c713ca4b
TL
915TL/05 GitHub Issue 18: Adjust logic testing for true/false in redis lookups.
916 Merged patch from Sebastian Wiedenroth.
e449c3b0 917
bd21a787
WB
918JH/05 Fix results-pipe from transport process. Several recipients, combined
919 with certificate use, exposed issues where response data items split
920 over buffer boundaries were not parsed properly. This eventually
921 resulted in duplicates being sent. This issue only became common enough
4c04137d 922 to notice due to the introduction of connection certificate information,
bd21a787
WB
923 the item size being so much larger. Found and fixed by Wolfgang Breyha.
924
8bc732e8
JH
925JH/06 Bug 1533: Fix truncation of items in headers_remove lists. A fixed
926 size buffer was used, resulting in syntax errors when an expansion
927 exceeded it.
928
a7fec7a7
JH
929JH/07 Add support for directories of certificates when compiled with a GnuTLS
930 version 3.3.6 or later.
931
4c04137d 932JH/08 Rename the TPDA experimental facility to Event Actions. The #ifdef
774ef2d7
JH
933 is EXPERIMENTAL_EVENT, the main-configuration and transport options
934 both become "event_action", the variables become $event_name, $event_data
aec45841 935 and $event_defer_errno. There is a new variable $verify_mode, usable in
723fe533
JH
936 routers, transports and related events. The tls:cert event is now also
937 raised for inbound connections, if the main configuration event_action
938 option is defined.
774ef2d7 939
eca4debb
TL
940TL/06 In test suite, disable OCSP for old versions of openssl which contained
941 early OCSP support, but no stapling (appears to be less than 1.0.0).
942
8d692470
JH
943JH/09 When compiled with OpenSSL and EXPERIMENTAL_CERTNAMES, the checks on
944 server certificate names available under the smtp transport option
945 "tls_verify_cert_hostname" now do not permit multi-component wildcard
946 matches.
947
e9477a08
JH
948JH/10 Time-related extraction expansions from certificates now use the main
949 option "timezone" setting for output formatting, and are consistent
950 between OpenSSL and GnuTLS compilations. Bug 1541.
951
ad4c5ff9
JH
952JH/11 Fix a crash in mime ACL when meeting a zero-length, quoted or RFC2047-
953 encoded parameter in the incoming message. Bug 1558.
8dea5edf
JH
954
955JH/12 Bug 1527: Autogrow buffer used in reading spool files. Since they now
956 include certificate info, eximon was claiming there were spoolfile
957 syntax errors.
958
3394b36a 959JH/13 Bug 1521: Fix ldap lookup for single-attr request, multiple-attr return.
8dea5edf
JH
960
961JH/14 Log delivery-related information more consistently, using the sequence
962 "H=<name> [<ip>]" wherever possible.
963
3394b36a
TL
964TL/07 Bug 1547: Omit RFCs from release. Draft and RFCs have licenses which
965 are problematic for Debian distribution, omit them from the release
966 tarball.
967
ad4c5ff9
JH
968JH/15 Updates and fixes to the EXPERIMENTAL_DSN feature.
969
4c04137d 970JH/16 Fix string representation of time values on 64bit time_t architectures.
ad4c5ff9
JH
971 Bug 1561.
972
973JH/17 Fix a null-indirection in certextract expansions when a nondefault
974 output list separator was used.
975
8bc732e8 976
1f0ebb98
TL
977Exim version 4.84
978-----------------
09728d20
TL
979TL/01 Bugzilla 1506: Re-add a 'return NULL' to silence complaints from static
980 checkers that were complaining about end of non-void function with no
981 return.
1f0ebb98 982
a612424f 983JH/01 Bug 1513: Fix parsing of quoted parameter values in MIME headers.
4c04137d 984 This was a regression introduced in 4.83 by another bugfix.
a612424f
JH
985
986JH/02 Fix broken compilation when EXPERIMENTAL_DSN is enabled.
987
988TL/02 Bug 1509: Fix exipick for enhanced spoolfile specification used when
a9b8ec8b 989 EXPERIMENTAL_DSN is enabled. Fix from Wolfgang Breyha.
a612424f 990
1f0ebb98 991
c0e56233
TF
992Exim version 4.83
993-----------------
994
995TF/01 Correctly close the server side of TLS when forking for delivery.
996
997 When a message was received over SMTP with TLS, Exim failed to clear up
998 the incoming connection properly after forking off the child process to
999 deliver the message. In some situations the subsequent outgoing
1000 delivery connection happened to have the same fd number as the incoming
1001 connection previously had. Exim would try to use TLS and fail, logging
1002 a "Bad file descriptor" error.
1003
7245734e
TF
1004TF/02 Portability fix for building lookup modules on Solaris when the xpg4
1005 utilities have not been installed.
1006
fd5dad68
JH
1007JH/01 Fix memory-handling in use of acl as a conditional; avoid free of
1008 temporary space as the ACL may create new global variables.
1009
5428a946
TL
1010TL/01 LDAP support uses per connection or global context settings, depending
1011 upon the detected version of the libraries at build time.
1012
a3c86431
TL
1013TL/02 Experimental Proxy Protocol support: allows a proxied SMTP connection
1014 to extract and use the src ip:port in logging and expansions as if it
8ded8589
TL
1015 were a direct connection from the outside internet. PPv2 support was
1016 updated based on HAProxy spec change in May 2014.
a3c86431 1017
aa26e137
JH
1018JH/02 Add ${listextract {number}{list}{success}{fail}}.
1019
5a1b8443
WB
1020TL/03 Bugzilla 1433: Fix DMARC SEGV with specific From header contents.
1021 Properly escape header and check for NULL return.
1022
72c9e342
PP
1023PP/01 Continue incomplete 4.82 PP/19 by fixing docs too: use dns_dnssec_ok
1024 not dns_use_dnssec.
1025
76f44207
WB
1026JH/03 Bugzilla 1157: support log_selector smtp_confirmation for lmtp.
1027
770747fd
MFM
1028TL/04 Add verify = header_names_ascii check to reject email with non-ASCII
1029 characters in header names, implemented as a verify condition.
1030 Contributed by Michael Fischer v. Mollard.
1031
8ddef691 1032TL/05 Rename SPF condition results err_perm and err_temp to standardized
982650ec
TL
1033 results permerror and temperror. Previous values are deprecated but
1034 still accepted. In a future release, err_perm and err_temp will be
1035 completely removed, which will be a backward incompatibility if the
1036 ACL tests for either of these two old results. Patch contributed by
8ddef691 1037 user bes-internal on the mailing list.
c0e56233 1038
b9c2e32f
AR
1039JH/04 Add ${utf8clean:} operator. Contributed by Alex Rau.
1040
e45a1c37
JH
1041JH/05 Bugzilla 305: Log incoming-TLS details on rejects, subject to log
1042 selectors, in both main and reject logs.
1043
67d81c10
JH
1044JH/06 Log outbound-TLS and port details, subject to log selectors, for a
1045 failed delivery.
1046
b1f8e4f8
JH
1047JH/07 Add malware type "sock" for talking to simple daemon.
1048
511a6c14 1049JH/08 Bugzilla 1371: Add tls_{,try_}verify_hosts to smtp transport.
511a6c14
JH
1050
1051JH/09 Bugzilla 1431: Support (with limitations) headers_add/headers_remove in
1052 routers/transports under cutthrough routing.
214042d2 1053
51c7471d
JH
1054JH/10 Bugzilla 1005: ACL "condition =" should accept values which are negative
1055 numbers. Touch up "bool" conditional to keep the same definition.
1056
3695be34
TL
1057TL/06 Remove duplicated language in spec file from 4.82 TL/16.
1058
1e06383a
TL
1059JH/11 Add dnsdb tlsa lookup. From Todd Lyons.
1060
76146973
JH
1061JH/12 Expand items in router/transport headers_add or headers_remove lists
1062 individually rather than the list as a whole. Bug 1452.
1063
1064 Required for reasonable handling of multiple headers_ options when
1065 they may be empty; requires that headers_remove items with embedded
1066 colons must have them doubled (or the list-separator changed).
1067
8c8b8274
TL
1068TL/07 Add new dmarc expansion variable $dmarc_domain_policy to directly
1069 view the policy declared in the DMARC record. Currently, $dmarc_status
1070 is a combined value of both the record presence and the result of the
1071 analysis.
b1f8e4f8 1072
35aba663
JH
1073JH/13 Fix handling of $tls_cipher et.al. in (non-verify) transport. Bug 1455.
1074
8c51eead 1075JH/14 New options dnssec_request_domains, dnssec_require_domains on the
578897ea
JH
1076 dnslookup router and the smtp transport (applying to the forward
1077 lookup).
8c51eead 1078
deae092e
HS
1079TL/08 Bugzilla 1453: New LDAP "SERVERS=" option allows admin to override list
1080 of ldap servers used for a specific lookup. Patch provided by Heiko
1081 Schlichting.
35aba663 1082
fd3b6a4a 1083JH/18 New options dnssec_lax, dnssec_strict on dnsdb lookups.
4e0983dc 1084 New variable $lookup_dnssec_authenticated for observability.
fd3b6a4a 1085
8d91c6dc
LT
1086TL/09 Bugzilla 609: Add -C option to exiqgrep, specify which exim.conf to use.
1087 Patch submitted by Lars Timman.
1088
2b4a568d
JH
1089JH/19 EXPERIMENTAL_OCSP support under GnuTLS. Bug 1459.
1090
d2af03f4
HS
1091TL/10 Bugzilla 1454: New -oMm option to pass message reference to Exim.
1092 Requires trusted mode and valid format message id, aborts otherwise.
1093 Patch contributed by Heiko Schlichting.
1094
9d1c15ef
JH
1095JH/20 New expansion variables tls_(in,out)_(our,peer)cert, and expansion item
1096 certextract with support for various fields. Bug 1358.
1097
44662487
JH
1098JH/21 Observability of OCSP via variables tls_(in,out)_ocsp. Stapling
1099 is requested by default, modifiable by smtp transport option
6a8a60e0
JH
1100 hosts_request_ocsp.
1101
ed3bba5f 1102JH/22 Expansion operators ${md5:string} and ${sha1:string} can now
6a8a60e0 1103 operate on certificate variables to give certificate fingerprints
9ef9101c 1104 Also new ${sha256:cert_variable}.
44662487 1105
8ccd00b1
JH
1106JH/23 The PRDR feature is moved from being Experimental into the mainline.
1107
8ded8589
TL
1108TL/11 Bug 1119: fix memory allocation in string_printing2(). Patch from
1109 Christian Aistleitner.
1110
f2de3a33
JH
1111JH/24 The OCSP stapling feature is moved from Experimental into the mainline.
1112
6eb02f88
TL
1113TL/12 Bug 1444: Fix improper \r\n sequence handling when writing spool
1114 file. Patch from Wolfgang Breyha.
1115
00bff6f6
JH
1116JH/25 Expand the coverage of the delivery $host and $host_address to
1117 client authenticators run in verify callout. Bug 1476.
1118
071c51f7
JH
1119JH/26 Port service names are now accepted for tls_on_connect_ports, to
1120 align with daemon_smtp_ports. Bug 72.
1121
a6d4c44e
TF
1122TF/03 Fix udpsend. The ip_connectedsocket() function's socket type
1123 support and error reporting did not work properly.
1124
3ae173e7
ACK
1125TL/13 Bug 1495: Exiqgrep check if -C config file specified on cli exists
1126 and is readable. Patch from Andrew Colin Kissa.
1127
c13d09b8
TL
1128TL/14 Enhance documentation of ${run expansion and how it parses the
1129 commandline after expansion, particularly in the case when an
1130 unquoted variable expansion results in an empty value.
1131
0df4ab80
JH
1132JH/27 The TLS SNI feature was broken in 4.82. Fix it.
1133
66be95e0
PP
1134PP/02 Fix internal collision of T_APL on systems which support RFC3123
1135 by renaming away from it. Addresses GH issue 15, reported by
1136 Jasper Wallace.
1137
1bd0d12b
JH
1138JH/28 Fix parsing of MIME headers for parameters with quoted semicolons.
1139
0de7239e
TL
1140TL/15 SECURITY: prevent double expansion in math comparison functions
1141 (can expand unsanitized data). Not remotely exploitable.
1142 CVE-2014-2972
1143
fd3b6a4a 1144
2c422e6f 1145Exim version 4.82
98a90c36
PP
1146-----------------
1147
1148PP/01 Add -bI: framework, and -bI:sieve for querying sieve capabilities.
1149
12f69989
PP
1150PP/02 Make -n do something, by making it not do something.
1151 When combined with -bP, the name of an option is not output.
1152
54c90be1
PP
1153PP/03 Added tls_dh_min_bits SMTP transport driver option, only honoured
1154 by GnuTLS.
1155
1f4a55da
PP
1156PP/04 First step towards DNSSEC, provide $sender_host_dnssec for
1157 $sender_host_name and config options to manage this, and basic check
1158 routines.
1159
13363eba 1160PP/05 DSCP support for outbound connections and control modifier for inbound.
36a3ae5f 1161
66645890 1162PP/06 Cyrus SASL: set local and remote IP;port properties for driver.
e402235f
PP
1163 (Only plugin which currently uses this is kerberos4, which nobody should
1164 be using, but we should make it available and other future plugins might
1165 conceivably use it, even though it would break NAT; stuff *should* be
1166 using channel bindings instead).
66645890 1167
a3fb9793 1168PP/07 Handle "exim -L <tag>" to indicate to use syslog with tag as the process
f4ee74ac
PP
1169 name; added for Sendmail compatibility; requires admin caller.
1170 Handle -G as equivalent to "control = suppress_local_fixups" (we used to
1171 just ignore it); requires trusted caller.
a3fb9793 1172 Also parse but ignore: -Ac -Am -X<logfile>
f4ee74ac 1173 Bugzilla 1117.
a3fb9793 1174
d27f98fe 1175TL/01 Bugzilla 1258 - Refactor MAIL FROM optional args processing.
98a90c36 1176
6822b909
TL
1177TL/02 Add +smtp_confirmation as a default logging option.
1178
e7568d51
TL
1179TL/03 Bugzilla 198 - Implement remove_header ACL modifier.
1180 Patch by Magnus Holmgren from 2007-02-20.
1181
ae0e32ee 1182TL/04 Bugzilla 1281 - Spec typo.
ca0ff207 1183 Bugzilla 1283 - Spec typo.
97f42f10 1184 Bugzilla 1290 - Spec grammar fixes.
ca0ff207
TL
1185
1186TL/05 Bugzilla 1285 - Spec omission, fix docbook errors for spec.txt creation.
ae0e32ee 1187
e2658fff
TL
1188TL/06 Add Experimental DMARC support using libopendmarc libraries.
1189
83712b39
TL
1190TL/07 Fix an out of order global option causing a segfault. Reported to dev
1191 mailing list by by Dmitry Isaikin.
1192
976b7e9f
JH
1193JH/01 Bugzilla 1201 & 304 - New cutthrough-delivery feature, with TLS support.
1194
be4a1376
JH
1195JH/02 Support "G" suffix to numbers in ${if comparisons.
1196
ec4b68e5
PP
1197PP/08 Handle smtp transport tls_sni option forced-fail for OpenSSL.
1198
d7148a07
NM
1199NM/01 Bugzilla 1197 - Spec typo
1200 Bugzilla 1196 - Spec examples corrections
ec4b68e5 1201
585121e2 1202JH/03 Add expansion operators ${listnamed:name} and ${listcount:string}
ec4b68e5 1203
2519e60d
TL
1204PP/09 Add gnutls_allow_auto_pkcs11 option (was originally called
1205 gnutls_enable_pkcs11, but renamed to more accurately indicate its
1206 function.
a5f239e4 1207
13d08c90
PP
1208PP/10 Let Linux makefile inherit CFLAGS/CFLAGS_DYNAMIC.
1209 Pulled from Debian 30_dontoverridecflags.dpatch by Andreas Metzler.
1210
bef3ea7f
JH
1211JH/04 Add expansion item ${acl {name}{arg}...}, expansion condition
1212 "acl {{name}{arg}...}", and optional args on acl condition
1213 "acl = name arg..."
a5f239e4 1214
846726c5
JH
1215JH/05 Permit multiple router/transport headers_add/remove lines.
1216
3a796370
JH
1217JH/06 Add dnsdb pseudo-lookup "a+" to do an "aaaa" + "a" combination.
1218
ea722490 1219JH/07 Avoid using a waiting database for a single-message-only transport.
8b260705
PP
1220 Performance patch from Paul Fisher. Bugzilla 1262.
1221
b1b05573
JH
1222JH/08 Strip leading/trailing newlines from add_header ACL modifier data.
1223 Bugzilla 884.
1224
362145b5
JH
1225JH/09 Add $headers_added variable, with content from use of ACL modifier
1226 add_header (but not yet added to the message). Bugzilla 199.
1227
3c0a92dc
JH
1228JH/10 Add 8bitmime log_selector, for 8bitmime status on the received line.
1229 Pulled from Bugzilla 817 by Wolfgang Breyha.
1230
6d7c6175
PP
1231PP/11 SECURITY: protect DKIM DNS decoding from remote exploit.
1232 CVE-2012-5671
e78e6ecf 1233 (nb: this is the same fix as in Exim 4.80.1)
6d7c6175 1234
6f123593
JH
1235JH/11 Add A= logging on delivery lines, and a client_set_id option on
1236 authenticators.
1237
c8e2fc1e
JH
1238JH/12 Add optional authenticated_sender logging to A= and a log_selector
1239 for control.
1240
005ac57f
PP
1241PP/12 Unbreak server_set_id for NTLM/SPA auth, broken by 4.80 PP/29.
1242
3f1df0e3
PP
1243PP/13 Dovecot auth: log better reason to rejectlog if Dovecot did not
1244 advertise SMTP AUTH mechanism to us, instead of a generic
1245 protocol violation error. Also, make Exim more robust to bad
1246 data from the Dovecot auth socket.
1247
67bd1ab3
TF
1248TF/01 Fix ultimate retry timeouts for intermittently deliverable recipients.
1249
1250 When a queue runner is handling a message, Exim first routes the
1251 recipient addresses, during which it prunes them based on the retry
1252 hints database. After that it attempts to deliver the message to
1253 any remaining recipients. It then updates the hints database using
1254 the retry rules.
1255
1256 So if a recipient address works intermittently, it can get repeatedly
1257 deferred at routing time. The retry hints record remains fresh so the
1258 address never reaches the final cutoff time.
1259
1260 This is a fairly common occurrence when a user is bumping up against
1261 their storage quota. Exim had some logic in its local delivery code
1262 to deal with this. However it did not apply to per-recipient defers
1263 in remote deliveries, e.g. over LMTP to a separate IMAP message store.
1264
1ddeb334
TF
1265 This change adds a proper retry rule check during routing so that the
1266 final cutoff time is checked against the message's age. We only do
1267 this check if there is an address retry record and there is not a
1268 domain retry record; this implies that previous attempts to handle
1269 the address had the retry_use_local_parts option turned on. We use
1270 this as an approximation for the destination being like a local
1271 delivery, as in LMTP.
67bd1ab3
TF
1272
1273 I suspect this new check makes the old local delivery cutoff check
1274 redundant, but I have not verified this so I left the code in place.
1275
326cdc37
TF
1276TF/02 Correct gecos expansion when From: is a prefix of the username.
1277
1278 Test 0254 submits a message to Exim with the header
1279
1280 Resent-From: f
1281
1282 When I ran the test suite under the user fanf2, Exim expanded
1283 the header to contain my full name, whereas it should have added
1284 a Resent-Sender: header. It erroneously treats any prefix of the
1285 username as equal to the username.
1286
1287 This change corrects that bug.
1288
f62514b3
GF
1289GF/01 DCC debug and logging tidyup
1290 Error conditions log to paniclog rather than rejectlog.
1291 Debug lines prefixed by "DCC: " to remove any ambiguity.
1292
eb505532
TF
1293TF/03 Avoid unnecessary rebuilds of lookup-related code.
1294
14c7b357
PP
1295PP/14 Fix OCSP reinitialisation in SNI handling for Exim/TLS as server.
1296 Bug spotted by Jeremy Harris; was flawed since initial commit.
1297 Would have resulted in OCSP responses post-SNI triggering an Exim
1298 NULL dereference and crash.
1299
94eaf700
PP
1300JH/13 Add $router_name and $transport_name variables. Bugzilla 308.
1301
6f5a440a
PP
1302PP/15 Define SIOCGIFCONF_GIVES_ADDR for GNU Hurd.
1303 Bug detection, analysis and fix by Samuel Thibault.
1304 Bugzilla 1331, Debian bug #698092.
1305
514ee161
SC
1306SC/01 Update eximstats to watch out for senders sending 'HELO [IpAddr]'
1307
fd98a5c6
JH
1308JH/14 SMTP PRDR (http://www.eric-a-hall.com/specs/draft-hall-prdr-00.txt).
1309 Server implementation by Todd Lyons, client by JH.
1310 Only enabled when compiled with EXPERIMENTAL_PRDR. A new
1311 config variable "prdr_enable" controls whether the server
1312 advertises the facility. If the client requests PRDR a new
1313 acl_data_smtp_prdr ACL is called once for each recipient, after
1314 the body content is received and before the acl_smtp_data ACL.
4c04137d 1315 The client is controlled by both of: a hosts_try_prdr option
fd98a5c6
JH
1316 on the smtp transport, and the server advertisement.
1317 Default client logging of deliveries and rejections involving
1318 PRDR are flagged with the string "PRDR".
1319
035c7f1e
PP
1320PP/16 Fix problems caused by timeouts during quit ACLs trying to double
1321 fclose(). Diagnosis by Todd Lyons.
1322
ff284120
PP
1323PP/17 Update configure.default to handle IPv6 localhost better.
1324 Patch by Alain Williams (plus minor tweaks).
1325 Bugzilla 880.
1326
26e72755
PP
1327PP/18 OpenSSL made graceful with empty tls_verify_certificates setting.
1328 This is now consistent with GnuTLS, and is now documented: the
1329 previous undocumented portable approach to treating the option as
1330 unset was to force an expansion failure. That still works, and
1331 an empty string is now equivalent.
1332
0fbd9bff
PP
1333PP/19 Renamed DNSSEC-enabling option to "dns_dnssec_ok", to make it
1334 clearer that Exim is using the DO (DNSSEC OK) EDNS0 resolver flag,
1335 not performing validation itself.
1336
700d22f3
PP
1337PP/20 Added force_command boolean option to pipe transport.
1338 Patch from Nick Koston, of cPanel Inc.
1339
fcc8e047
JH
1340JH/15 AUTH support on callouts (and hence cutthrough-deliveries).
1341 Bugzilla 321, 823.
1342
4c04137d 1343TF/04 Added udpsend ACL modifier and hexquote expansion operator
7142daca 1344
8c020188
PP
1345PP/21 Fix eximon continuous updating with timestamped log-files.
1346 Broken in a format-string cleanup in 4.80, missed when I repaired the
1347 other false fix of the same issue.
1348 Report and fix from Heiko Schlichting.
1349 Bugzilla 1363.
1350
d13cdd30
PP
1351PP/22 Guard LDAP TLS usage against Solaris LDAP variant.
1352 Report from Prashanth Katuri.
1353
e2fbf4a2
PP
1354PP/23 Support safari_ecdhe_ecdsa_bug for openssl_options.
1355 It's SecureTransport, so affects any MacOS clients which use the
1356 system-integrated TLS libraries, including email clients.
1357
f4c1088b
PP
1358PP/24 Fix segfault from trying to fprintf() to a NULL stdio FILE* if
1359 using a MIME ACL for non-SMTP local injection.
1360 Report and assistance in diagnosis by Warren Baker.
1361
c5c2182f
PP
1362TL/08 Adjust exiqgrep to be case-insensitive for sender/receiver.
1363
73431ca9
JH
1364JH/16 Fix comparisons for 64b. Bugzilla 1385.
1365
2d07a215
TL
1366TL/09 Add expansion variable $authenticated_fail_id to keep track of
1367 last id that failed so it may be referenced in subsequent ACL's.
1368
a30a8861
TL
1369TL/10 Bugzilla 1375 - Prevent TLS rebinding in ldap. Patch provided by
1370 Alexander Miroch.
1371
33382dd9
TL
1372TL/11 Bugzilla 1382 - Option ldap_require_cert overrides start_tls
1373 ldap library initialization, allowing self-signed CA's to be
1374 used. Also properly sets require_cert option later in code by
1375 using NULL (global ldap config) instead of ldap handle (per
1376 session). Bug diagnosis and testing by alxgomz.
6d7c6175 1377
046172e6
TL
1378TL/12 Enhanced documentation in the ratelimit.pl script provided in
1379 the src/util/ subdirectory.
1380
581d7bee 1381TL/13 Bug 1031 - Imported transport SQL logging patch from Axel Rau
1a7b746d 1382 renamed to Transport Post Delivery Action by Jeremy Harris, as
9bdd29ad
TL
1383 EXPERIMENTAL_TPDA.
1384
1385TL/14 Bugzilla 1217 - Redis lookup support has been added. It is only enabled
1386 when Exim is compiled with EXPERIMENTAL_REDIS. A new config variable
1387 redis_servers = needs to be configured which will be used by the redis
1388 lookup. Patch from Warren Baker, of The Packet Hub.
1389
237b2cf2
TL
1390TL/15 Fix exiqsumm summary for corner case. Patch provided by Richard Hall.
1391
9fc5a352
TL
1392TL/16 Bugzilla 1289 - Clarify host/ip processing when have errors looking up a
1393 hostname or reverse DNS when processing a host list. Used suggestions
1394 from multiple comments on this bug.
1a7b746d 1395
b10e4ec2
TL
1396TL/17 Bugzilla 1057 - Multiple clamd TCP targets patch from Mark Zealey.
1397
e2cebd74
TL
1398TL/18 Had previously added a -CONTINUE option to runtest in the test suite.
1399 Missed a few lines, added it to make the runtest require no keyboard
1400 interaction.
1401
1402TL/19 Bugzilla 1402 - Test 533 fails if any part of the path to the test suite
1403 contains upper case chars. Make router use caseful_local_part.
1404
2519e60d
TL
1405TL/20 Bugzilla 1400 - Add AVOID_GNUTLS_PKCS11 build option. Allows GnuTLS
1406 support when GnuTLS has been built with p11-kit.
1407
e78e6ecf 1408
4263f395
PP
1409Exim version 4.80.1
1410-------------------
1411
1412PP/01 SECURITY: protect DKIM DNS decoding from remote exploit.
1413 CVE-2012-5671
2c422e6f 1414 This, or similar/improved, will also be change PP/11 of 4.82.
3c0a92dc 1415
ea722490 1416
b1770b6e 1417Exim version 4.80
0599f9cf
PP
1418-----------------
1419
1420PP/01 Handle short writes when writing local log-files.
1421 In practice, only affects FreeBSD (8 onwards).
1422 Bugzilla 1053, with thanks to Dmitry Isaikin.
1423
23c7e742
NM
1424NM/01 Bugzilla 949 - Documentation tweak
1425
b322aac8
NM
1426NM/02 Bugzilla 1093 - eximstats DATA reject detection regexps
1427 improved.
1428
4a891427
NM
1429NM/03 Bugzilla 1169 - primary_hostname spelling was incorrect in docs.
1430
c1e794ba 1431PP/02 Implemented gsasl authenticator.
b322aac8 1432
97753960
PP
1433PP/03 Implemented heimdal_gssapi authenticator with "server_keytab" option.
1434
1435PP/04 Local/Makefile support for (AUTH|LOOKUP)_*_PC=foo to use
1436 `pkg-config foo` for cflags/libs.
1437
df6303fa
PP
1438PP/05 Swapped $auth1/$auth2 for gsasl GSSAPI mechanism, to be more consistent
1439 with rest of GSASL and with heimdal_gssapi.
1440
7e6a8985
PP
1441PP/06 Local/Makefile support for USE_(GNUTLS|OPENSSL)_PC=foo to use
1442 `pkg-config foo` for cflags/libs for the TLS implementation.
1443
f1e05cc7 1444PP/07 New expansion variable $tls_bits; Cyrus SASL server connection
20aa9dbd
PP
1445 properties get this fed in as external SSF. A number of robustness
1446 and debugging improvements to the cyrus_sasl authenticator.
b322aac8 1447
4c287009
PP
1448PP/08 cyrus_sasl server now expands the server_realm option.
1449
b98bb9ac
PP
1450PP/09 Bugzilla 1214 - Log authentication information in reject log.
1451 Patch by Jeremy Harris.
1452
4a6a987a
PP
1453PP/10 Added dbmjz lookup type.
1454
c45dd180 1455PP/11 Let heimdal_gssapi authenticator take a SASL message without an authzid.
c7955b11 1456
7db8d074
PP
1457PP/12 MAIL args handles TAB as well as SP, for better interop with
1458 non-compliant senders.
1459 Analysis and variant patch by Todd Lyons.
1460
eae0036b 1461NM/04 Bugzilla 1237 - fix cases where printf format usage not indicated
cfab9d68 1462 Bug report from Lars Müller <lars@samba.org> (via SUSE),
e0df1c83
DM
1463 Patch from Dirk Mueller <dmueller@suse.com>
1464
dec5017e
PP
1465PP/13 tls_peerdn now print-escaped for spool files.
1466 Observed some $tls_peerdn in wild which contained \n, which resulted
1467 in spool file corruption.
1468
c80c5570
PP
1469PP/14 TLS fixes for OpenSSL: support TLS 1.1 & 1.2; new "openssl_options"
1470 values; set SSL_MODE_AUTO_RETRY so that OpenSSL will retry a read
1471 or write after TLS renegotiation, which otherwise led to messages
1472 "Got SSL error 2".
1473
076b11e2
PP
1474TK/01 Bugzilla 1239 - fix DKIM verification when signature was not inserted
1475 as a tracking header (ie: a signed header comes before the signature).
1476 Patch from Wolfgang Breyha.
1477
5407bfff
JH
1478JH/01 Bugzilla 660 - Multi-valued attributes from ldap now parseable as a
1479 comma-sep list; embedded commas doubled.
1480
9e45c72b
PP
1481JH/02 Refactored ACL "verify =" logic to table-driven dispatch.
1482
e74376d8
PP
1483PP/15 LDAP: Check for errors of TLS initialisation, to give correct
1484 diagnostics.
1485 Report and patch from Dmitry Banschikov.
1486
4c04137d 1487PP/16 Removed "dont_insert_empty_fragments" from "openssl_options".
da3ad30d
PP
1488 Removed SSL_clear() after SSL_new() which led to protocol negotiation
1489 failures. We appear to now support TLS1.1+ with Exim.
1490
7be682ca
PP
1491PP/17 OpenSSL: new expansion var $tls_sni, which if used in tls_certificate
1492 lets Exim select keys and certificates based upon TLS SNI from client.
3f0945ff
PP
1493 Also option tls_sni on SMTP Transports. Also clear $tls_bits correctly
1494 before an outbound SMTP session. New log_selector, +tls_sni.
7be682ca 1495
ef840681
PP
1496PP/18 Bugzilla 1122 - check localhost_number expansion for failure, avoid
1497 NULL dereference. Report and patch from Alun Jones.
1498
5bfb4cdf
PP
1499PP/19 DNS resolver init changes for NetBSD compatibility. (Risk of breakage
1500 on less well tested platforms). Obviates NetBSD pkgsrc patch-ac.
1501 Not seeing resolver debug output on NetBSD, but suspect this is a
1502 resolver implementation change.
1503
c6e95d22
PP
1504PP/20 Revert part of NM/04, it broke log_path containing %D expansions.
1505 Left warnings. Added "eximon gdb" invocation mode.
1506
9cbad13b
PP
1507PP/21 Defaulting "accept_8bitmime" to true, not false.
1508
9ee44efb
PP
1509PP/22 Added -bw for inetd wait mode support.
1510
6a6084f8
PP
1511PP/23 Added PCRE_CONFIG=yes support to Makefile for using pcre-config to
1512 locate the relevant includes and libraries. Made this the default.
1513
12dd53c7
PP
1514PP/24 Fixed headers_only on smtp transports (was not sending trailing dot).
1515 Bugzilla 1246, report and most of solution from Tomasz Kusy.
1516
9e45c72b 1517JH/03 ${eval } now uses 64-bit and supports a "g" suffix (like to "k" and "m").
97d17305
JH
1518 This may cause build issues on older platforms.
1519
17c76198
PP
1520PP/25 Revamped GnuTLS support, passing tls_require_ciphers to
1521 gnutls_priority_init, ignoring Exim options gnutls_require_kx,
1522 gnutls_require_mac & gnutls_require_protocols (no longer supported).
1523 Added SNI support via GnuTLS too.
af3498d6 1524 Made ${randint:..} supplier available, if using not-too-old GnuTLS.
17c76198 1525
53947857 1526PP/26 Added EXPERIMENTAL_OCSP for OpenSSL.
3f7eeb86 1527
eae0036b 1528PP/27 Applied dnsdb SPF support patch from Janne Snabb.
8ee4b30e
PP
1529 Applied second patch from Janne, implementing suggestion to default
1530 multiple-strings-in-record handling to match SPF spec.
eae0036b 1531
9e45c72b 1532JH/04 Added expansion variable $tod_epoch_l for a higher-precision time.
2605c55b 1533
7390e768
PP
1534PP/28 Fix DCC dcc_header content corruption (stack memory referenced,
1535 read-only, out of scope).
1536 Patch from Wolfgang Breyha, report from Stuart Northfield.
1537
08488c86
PP
1538PP/29 Fix three issues highlighted by clang analyser static analysis.
1539 Only crash-plausible issue would require the Cambridge-specific
1540 iplookup router and a misconfiguration.
1541 Report from Marcin Mirosław.
1542
6475bd82
PP
1543PP/30 Another attempt to deal with PCRE_PRERELEASE, this one less buggy.
1544
81f91683
PP
1545PP/31 %D in printf continues to cause issues (-Wformat=security), so for
1546 now guard some of the printf checks behind WANT_DEEPER_PRINTF_CHECKS.
1547 As part of this, removing so much warning spew let me fix some minor
1548 real issues in debug logging.
1549
5779e6aa
PP
1550PP/32 GnuTLS was always using default tls_require_ciphers, due to a missing
1551 assignment on my part. Fixed.
1552
3375e053
PP
1553PP/33 Added tls_dh_max_bits option, defaulting to current hard-coded limit
1554 of NSS, for GnuTLS/NSS interop. Problem root cause diagnosis by
1555 Janne Snabb (who went above and beyond: thank you).
1556
1557PP/34 Validate tls_require_ciphers on startup, since debugging an invalid
1558 string otherwise requires a connection and a bunch more work and it's
78e0c7a3
PP
1559 relatively easy to get wrong. Should also expose TLS library linkage
1560 problems.
3375e053 1561
9d26b8c0
PP
1562PP/35 Pull in <features.h> on Linux, for some portability edge-cases of
1563 64-bit ${eval} (JH/03).
1564
57eb9e91 1565PP/36 Define _GNU_SOURCE in exim.h; it's needed for some releases of
b87a6e0e
PP
1566 GNU libc to support some of the 64-bit stuff, should not lead to
1567 conflicts. Defined before os.h is pulled in, so if a given platform
1568 needs to override this, it can.
1569
16880d1a
PP
1570PP/37 Unbreak Cyrus SASL auth: SSF retrieval was incorrect, Exim thought
1571 protection layer was required, which is not implemented.
1572 Bugzilla 1254, patch from Wolfgang Breyha.
1573
a799883d
PP
1574PP/38 Overhaul DH prime handling, supply RFC-specified DH primes as built
1575 into Exim, default to IKE id 23 from RFC 5114 (2048 bit). Make
1576 tls_dhparam take prime identifiers. Also unbreak combination of
1577 OpenSSL+DH_params+TLSSNI.
1578
3ecab157 1579PP/39 Disable SSLv2 by default in OpenSSL support.
f0f5a555 1580
0599f9cf 1581
867fcbf5
PP
1582Exim version 4.77
1583-----------------
1584
1585PP/01 Solaris build fix for Oracle's LDAP libraries.
1586 Bugzilla 1109, patch from Stephen Usher.
1587
f1a29782
TF
1588TF/01 HP/UX build fix: avoid arithmetic on a void pointer.
1589
ab42bd23
TK
1590TK/01 DKIM Verification: Fix relaxed canon for empty headers w/o
1591 whitespace trailer
867fcbf5 1592
0ca0cf52
TF
1593TF/02 Fix a couple more cases where we did not log the error message
1594 when unlink() failed. See also change 4.74-TF/03.
1595
921b12ca
TF
1596TF/03 Make the exiwhat support code safe for signals. Previously Exim might
1597 lock up or crash if it happened to be inside a call to libc when it
1598 got a SIGUSR1 from exiwhat.
1599
1600 The SIGUSR1 handler appends the current process status to the process
1601 log which is later printed by exiwhat. It used to use the general
1602 purpose logging code to do this, but several functions it calls are
1603 not safe for signals.
1604
1605 The new output code in the SIGUSR1 handler is specific to the process
1606 log, and simple enough that it's easy to inspect for signal safety.
1607 Removing some special cases also simplifies the general logging code.
1608 Removing the spurious timestamps from the process log simplifies
1609 exiwhat.
1610
c99ce5c9
TF
1611TF/04 Improved ratelimit ACL condition.
1612
1613 The /noupdate option has been deprecated in favour of /readonly which
1614 has clearer semantics. The /leaky, /strict, and /readonly update modes
1615 are mutually exclusive. The update mode is no longer included in the
1616 database key; it just determines when the database is updated. (This
4c04137d 1617 means that when you upgrade Exim will forget old rate measurements.)
c99ce5c9
TF
1618
1619 Exim now checks that the per_* options are used with an update mode that
1620 makes sense for the current ACL. For example, when Exim is processing a
1621 message (e.g. acl_smtp_rcpt or acl_smtp_data, etc.) you can specify
1622 per_mail/leaky or per_mail/strict; otherwise (e.g. in acl_smtp_helo) you
1623 must specify per_mail/readonly. If you omit the update mode it defaults to
1624 /leaky where that makes sense (as before) or /readonly where required.
1625
1626 The /noupdate option is now undocumented but still supported for
1627 backwards compatibility. It is equivalent to /readonly except that in
1628 ACLs where /readonly is required you may specify /leaky/noupdate or
1629 /strict/noupdate which are treated the same as /readonly.
1630
1631 A useful new feature is the /count= option. This is a generalization
1632 of the per_byte option, so that you can measure the throughput of other
1633 aggregate values. For example, the per_byte option is now equivalent
1634 to per_mail/count=${if >{0}{$message_size} {0} {$message_size} }.
1635
1636 The per_rcpt option has been generalized using the /count= mechanism
1637 (though it's more complicated than the per_byte equivalence). When it is
1638 used in acl_smtp_rcpt, the per_rcpt option adds recipients to the
1639 measured rate one at a time; if it is used later (e.g. in acl_smtp_data)
1640 or in a non-SMTP ACL it adds all the recipients in one go. (The latter
1641 /count=$recipients_count behaviour used to work only in non-SMTP ACLs.)
1642 Note that using per_rcpt with a non-readonly update mode in more than
1643 one ACL will cause the recipients to be double-counted. (The per_mail
1644 and per_byte options don't have this problem.)
1645
1646 The handling of very low rates has changed slightly. If the computed rate
1647 is less than the event's count (usually one) then this event is the first
1648 after a long gap. In this case the rate is set to the same as this event's
1649 count, so that the first message of a spam run is counted properly.
1650
1651 The major new feature is a mechanism for counting the rate of unique
1652 events. The new per_addr option counts the number of different
1653 recipients that someone has sent messages to in the last time period. It
1654 behaves like per_rcpt if all the recipient addresses are different, but
1655 duplicate recipient addresses do not increase the measured rate. Like
1656 the /count= option this is a general mechanism, so the per_addr option
1657 is equivalent to per_rcpt/unique=$local_part@$domain. You can, for
1658 example, measure the rate that a client uses different sender addresses
1659 with the options per_mail/unique=$sender_address. There are further
1660 details in the main documentation.
1661
3634fc25
TF
1662TF/05 Removed obsolete $Cambridge$ CVS revision strings.
1663
792e8a19
TF
1664TF/06 Removed a few PCRE remnants.
1665
5901f0ab
TF
1666TF/07 Automatically extract Exim's version number from tags in the git
1667 repository when doing development or release builds.
1668
7f2a2a43
PP
1669PP/02 Raise smtp_cmd_buffer_size to 16kB.
1670 Bugzilla 879. Patch from Paul Fisher.
e2ca7082 1671
061b7ebd
PP
1672PP/03 Implement SSL-on-connect outbound with protocol=smtps on smtp transport.
1673 Heavily based on revision 40f9a89a from Simon Arlott's tree.
1674 Bugzilla 97.
1675
e12f8c32
PP
1676PP/04 Use .dylib instead of .so for dynamic library loading on MacOS.
1677
9e949f00 1678PP/05 Variable $av_failed, true if the AV scanner deferred.
7f2a2a43
PP
1679 Bugzilla 1078. Patch from John Horne.
1680
1681PP/06 Stop make process more reliably on build failure.
1682 Bugzilla 1087. Patch from Heiko Schlittermann.
9e949f00 1683
555ae6af 1684PP/07 Make maildir_use_size_file an _expandable_ boolean.
ac53fcda
PP
1685 Bugzilla 1089. Patch from Heiko Schlittermann.
1686
1687PP/08 Handle ${run} returning more data than OS pipe buffer size.
1688 Bugzilla 1131. Patch from Holger Weiß.
555ae6af 1689
6f7fe114
PP
1690PP/09 Handle IPv6 addresses with SPF.
1691 Bugzilla 860. Patch from Wolfgang Breyha.
1692
c566dd90
PP
1693PP/10 GnuTLS: support TLS 1.2 & 1.1.
1694 Bugzilla 1156.
89f897c3
PP
1695 Use gnutls_certificate_verify_peers2() [patch from Andreas Metzler].
1696 Bugzilla 1095.
c566dd90 1697
d6cc7c78 1698PP/11 match_* no longer expand right-hand-side by default.
39257585
PP
1699 New compile-time build option, EXPAND_LISTMATCH_RHS.
1700 New expansion conditions, "inlist", "inlisti".
1701
0d0e4455
PP
1702PP/12 fix uninitialised greeting string from PP/03 (smtps client support).
1703
3399bb60 1704PP/13 shell and compiler warnings fixes for RC1-RC4 changes.
d690cbdc
PP
1705
1706PP/14 fix log_write() format string regression from TF/03.
1707 Bugzilla 1152. Patch from Dmitry Isaikin.
1708
0ca0cf52 1709
10906672
PP
1710Exim version 4.76
1711-----------------
1712
1713PP/01 The new ldap_require_cert option would segfault if used. Fixed.
1714
754a0503
PP
1715PP/02 Harmonised TLS library version reporting; only show if debugging.
1716 Layout now matches that introduced for other libraries in 4.74 PP/03.
1717
c0c7b2da
PP
1718PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
1719
e97d1f08
PP
1720PP/04 New "dns_use_edns0" global option.
1721
084c1d8c
PP
1722PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
1723 Bugzilla 1098.
1724
4e7ee012
PP
1725PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
1726 nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
da80c2a8 1727
c8d52a00
PP
1728TK/01 Updated PolarSSL code to 0.14.2.
1729 Bugzilla 1097. Patch from Andreas Metzler.
1730
54e7ce4a
PP
1731PP/07 Catch divide-by-zero in ${eval:...}.
1732 Fixes bugzilla 1102.
1733
5ee6f336
PP
1734PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
1735 Bugzilla 1104.
1736
c8d52a00 1737TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
6ea4a851
PP
1738 format-string attack -- SECURITY: remote arbitrary code execution.
1739
1740TK/03 SECURITY - DKIM signature header parsing was double-expanded, second
1741 time unintentionally subject to list matching rules, letting the header
1742 cause arbitrary Exim lookups (of items which can occur in lists, *not*
1743 arbitrary string expansion). This allowed for information disclosure.
1744
1745PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to
1746 INT_MIN/-1 -- value coerced to INT_MAX.
c8d52a00 1747
10906672 1748
aa097c4c
NM
1749Exim version 4.75
1750-----------------
1751
4c04137d 1752NM/01 Workaround for PCRE version dependency in version reporting
aa097c4c
NM
1753 Bugzilla 1073
1754
7f3d9eff
TF
1755TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
1756 This fixes portability to compilers other than gcc, notably
1757 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
1758
159f52d2
TF
1759TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
1760 makefiles for portability to HP-UX and POSIX correctness.
1761
0cc9542a
PP
1762PP/01 Permit LOOKUP_foo enabling on the make command-line.
1763 Also via indented variable definition in the Makefile.
1764 (Debugging by Oliver Heesakkers).
1765
f7274286
PP
1766PP/02 Restore caching of spamd results with expanded spamd_address.
1767 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
1768
7b797365
PP
1769PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
1770 Improves build reliability. Fix from: Frank Elsner
1771
caacae52
NM
1772NM/02 Fix wide character breakage in the rfc2047 coding
1773 Fixes bug 1064. Patch from Andrey N. Oktyabrski
1774
09dcaba9
NM
1775NM/03 Allow underscore in dnslist lookups
1776 Fixes bug 1026. Patch from Graeme Fowler
1777
bc19a55b
PP
1778PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
1779 Code patches from Adam Ciarcinski of NetBSD.
caacae52 1780
bd4c9759
NM
1781NM/04 Fixed exiqgrep to cope with mailq missing size issue
1782 Fixes bug 943.
1783
b72aab72
PP
1784PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
1785 is logged, to avoid truncation. Patch from John Horne.
1786
2fe76745
PP
1787PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
1788 Patch from Jakob Hirsch.
1789
76aa570c
PP
1790PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
1791 SQL string expansion failure details.
1792 Patch from Andrey Oktyabrski.
1793
f1e5fef5
PP
1794PP/08 Bugzilla 486: implement %M datestamping in log filenames.
1795 Patch from Simon Arlott.
1796
4d805ee9
PP
1797PP/09 New lookups functionality failed to compile on old gcc which rejects
1798 extern declarations in function scope.
1799 Patch from Oliver Fleischmann
1800
cd59ab18
PP
1801PP/10 Use sig_atomic_t for flags set from signal handlers.
1802 Check getgroups() return and improve debugging.
1803 Fixed developed for diagnosis in bug 927 (which turned out to be
1804 a kernel bug).
1805
332f5cf3
PP
1806PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
1807 Patch from Mark Zealey.
1808
29cfeb94
PP
1809PP/12 Bugzilla 1056: Improved spamd server selection.
1810 Patch from Mark Zealey.
1811
660242ad
PP
1812PP/13 Bugzilla 1086: Deal with maildir quota file races.
1813 Based on patch from Heiko Schlittermann.
1814
bc4bc4c5
PP
1815PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
1816 Patch from Uwe Doering, sign-off by Michael Haardt.
1817
2e64baa9
NM
1818NM/05 Fix to spam.c to accommodate older gcc versions which dislike
1819 variable declaration deep within a block. Bug and patch from
1820 Dennis Davis.
1821
4c04137d 1822PP/15 lookups-Makefile IRIX compatibility coercion.
bddd7526 1823
6bac1a9a
PP
1824PP/16 Make DISABLE_DKIM build knob functional.
1825
552193f0
NM
1826NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
1827 Patch by Simon Arlott
baeee2c1 1828
1b587e48
TF
1829TF/03 Fix valgrind.h portability to C89 compilers that do not support
1830 variable argument macros. Our copy now differs from upstream.
1831
aa097c4c 1832
8c07b69f
TF
1833Exim version 4.74
1834-----------------
1835
1836TF/01 Failure to get a lock on a hints database can have serious
1837 consequences so log it to the panic log.
1838
c0ea85ab
TF
1839TF/02 Log LMTP confirmation messages in the same way as SMTP,
1840 controlled using the smtp_confirmation log selector.
1841
0761d44e
TF
1842TF/03 Include the error message when we fail to unlink a spool file.
1843
0a349494
PP
1844DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
1845 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
1846 for maintaining out-of-tree patches for some time.
1847
1848PP/01 Bugzilla 139: Documentation and portability issues.
1849 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
1850 Handle per-OS dynamic-module compilation flags.
1851
fea24b2e
PP
1852PP/02 Let /dev/null have normal permissions.
1853 The 4.73 fixes were a little too stringent and complained about the
1854 permissions on /dev/null. Exempt it from some checks.
1855 Reported by Andreas M. Kirchwitz.
1856
6545de78
PP
1857PP/03 Report version information for many libraries, including
1858 Exim version information for dynamically loaded libraries. Created
1859 version.h, now support a version extension string for distributors
1860 who patch heavily. Dynamic module ABI change.
1861
1670ef10
PP
1862PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
1863 privilege escalation vulnerability whereby the Exim run-time user
1864 can cause root to append content of the attacker's choosing to
1865 arbitrary files.
1866
c0886197
PP
1867PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
1868 (Wolfgang Breyha)
1869
b7487bce
PP
1870PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
1871 If dropping privileges for untrusted macros, we disabled normal logging
1872 on the basis that it would fail; for the Exim run-time user, this is not
1873 the case, and it resulted in successful deliveries going unlogged.
1874 Fixed. Reported by Andreas Metzler.
1875
8c07b69f 1876
97fd1e48 1877Exim version 4.73
ed7f7860 1878-----------------
97fd1e48
PP
1879
1880PP/01 Date: & Message-Id: revert to normally being appended to a message,
1881 only prepend for the Resent-* case. Fixes regression introduced in
1882 Exim 4.70 by NM/22 for Bugzilla 607.
1883
6901c596
PP
1884PP/02 Include check_rfc2047_length in configure.default because we're seeing
1885 increasing numbers of administrators be bitten by this.
1886
a8c8d6b5
JJ
1887JJ/01 Added DISABLE_DKIM and comment to src/EDITME
1888
77bb000f
PP
1889PP/03 Bugzilla 994: added openssl_options main configuration option.
1890
a29e5231
PP
1891PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
1892
ec5a0394 1893PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 1894
55c75993
PP
1895PP/06 Adjust NTLM authentication to handle SASL Initial Response.
1896
453a6645 1897PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
1898 without a peer certificate, leading to a segfault because of an
1899 assumption that peers always have certificates. Be a little more
453a6645
PP
1900 paranoid. Problem reported by Martin Tscholak.
1901
8544e77a
PP
1902PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
1903 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
1904 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
1905 CL also introduces -bmalware, various -d+acl logging additions and
1906 more caution in buffer sizes.
8544e77a 1907
83e029d5
PP
1908PP/09 Implemented reverse_ip expansion operator.
1909
ed7f7860
PP
1910PP/10 Bugzilla 937: provide a "debug" ACL control.
1911
7d9f747b
PP
1912PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
1913
4b2241d2
PP
1914PP/12 Bugzilla 973: Implement --version.
1915
10385c15
PP
1916PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
1917
dbc4b90d
PP
1918PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
1919
532be449
PP
1920PP/15 Bugzilla 816: support multiple condition rules on Routers.
1921
6a8de854 1922PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
1923 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
1924 ignore trailing whitespace.
6a8de854 1925
5dc43717
JJ
1926JJ/02 prevent non-panic DKIM error from being sent to paniclog
1927
1928JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
1929 "exim" to be used
55c75993 1930
3346ab01
PP
1931PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
1932 Notification from Dr Andrew Aitchison.
1933
491fab4c
PP
1934PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
1935 ExtendedDetectionInfo response format.
1936 Notification from John Horne.
1937
13eb9497
PP
1938PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
1939 compatible.
1940
1941PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
1942 XSL and documented dependency on system catalogs, with examples of how
1943 it normally works.
1944
7f36d675
DW
1945DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
1946 access.
1947
c1d94452
DW
1948DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
1949 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
1950 configuration file which is writeable by the Exim user or group.
1951
e2f5dc15
DW
1952DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
1953 of configuration files to cover files specified with the -C option if
1954 they are going to be used with root privileges, not just the default
1955 configuration file.
1956
cd25e41d
DW
1957DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
1958 option (effectively making it always true).
1959
261dc43e
DW
1960DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
1961 files to be used while preserving root privileges.
1962
fa32850b
DW
1963DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
1964 that rogue child processes cannot use them.
1965
79d4bc3d
PP
1966PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
1967 run-time user, instead of root.
1968
43236f35 1969PP/28 Add WHITELIST_D_MACROS option to let some macros be overridden by the
2cfd3221
PP
1970 Exim run-time user without dropping privileges.
1971
fb08281f
DW
1972DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
1973 result string, instead of calling string_vformat() twice with the same
1974 arguments.
3346ab01 1975
74935b98
DW
1976DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
1977 for other users. Others should always drop root privileges if they use
1978 -C on the command line, even for a whitelisted configure file.
1979
90b6341f
DW
1980DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
1981
57730b52
ML
1982NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
1983
66581d1e 1984
465e92cf
JJ
1985Exim version 4.72
1986-----------------
1987
453a6645
PP
1988JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
1989 $data_path, and $header_path variables; fixed documentation bugs and
1990 typos
465e92cf 1991
453a6645
PP
1992JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
1993 exipick to access non-standard spools, including the "frozen" queue
1994 (Finput)
edae0343 1995
9bd3e22c
NM
1996NM/01 Bugzilla 965: Support mysql stored procedures.
1997 Patch from Alain Williams
1998
bb576ff7
NM
1999NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
2000
5a1a5845
NM
2001NM/03 Bugzilla 955: Documentation fix for max_rcpts.
2002 Patch from Andreas Metzler
2003
981a9fad
NM
2004NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
2005 Patch from Kirill Miazine
2006
7fc497ee
NM
2007NM/05 Bugzilla 671: Added umask to procmail example.
2008
1a41defa
JJ
2009JJ/03 installed exipick 20100323.0, fixing doc bug
2010
a466095c 2011NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 2012 directory. Notification and patch from Dan Rosenberg.
a466095c 2013
94a6bd0b
NM
2014TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
2015
2016TK/02 Improve log output when DKIM signing operation fails.
2017
2018MH/01 Treat the transport option dkim_domain as a colon separated
2019 list, not as a single string, and sign the message with each element,
2020 omitting multiple occurences of the same signer.
2021
c1b141a8
NM
2022NM/07 Null terminate DKIM strings, Null initialise DKIM variable
2023 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 2024
b26eacf1 2025NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
2026 Patch by Simon Arlott
2027
179c5980 2028PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 2029 MBX locking. Notification from Dan Rosenberg.
179c5980 2030
9bd3e22c 2031
7c6d71af
NM
2032Exim version 4.71
2033-----------------
2034
7d9f747b 2035TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 2036
f013fb92
NM
2037NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
2038
0eb8eedd
NM
2039NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
2040
663ee6d9
NM
2041NM/03 Bugzilla 847: Enable DNSDB lookup by default.
2042
177ebd9b
NM
2043NM/04 Bugzilla 915: Flag broken perl installation during build.
2044
7c6d71af 2045
210f147e
NM
2046Exim version 4.70
2047-----------------
2048
cdd3bb85 2049TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 2050 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
2051
2052TK/02 Write list of recipients to X-Envelope-Sender header when building
2053 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 2054 Hirsch).
cdd3bb85
TK
2055
2056TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
2057 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 2058 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
2059
2060TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
2061 by Mark Daniel Reidel <mr@df.eu>.
2062
210f147e
NM
2063NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
2064 When building exim an external PCRE library is now needed -
2065 PCRE is a system library on the majority of modern systems.
2066 See entry on PCRE_LIBS in EDITME file.
2067
deafd5b3
NM
2068NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
2069 conversation. Added nologin parameter to request.
7d9f747b 2070 Patch contributed by Kirill Miazine.
deafd5b3 2071
089793a4
TF
2072TF/01 Do not log submission mode rewrites if they do not change the address.
2073
5f16ca82
TF
2074TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
2075
dae9d94e 2076NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 2077 log files in place. Contributed by Roberto Lima.
dae9d94e 2078
7d9f747b 2079NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 2080
06864c44
TF
2081TF/03 Bugzilla 615: When checking the local_parts router precondition
2082 after a local_part_suffix or local_part_prefix option, Exim now
2083 does not use the address's named list lookup cache, since this
2084 contains cached lookups for the whole local part.
2085
65a7d8c3 2086NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 2087 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 2088
23510047 2089TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 2090
7d9f747b 2091NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 2092
7d8eec3a 2093NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 2094 Patch provided by Jan Srzednicki.
6c588e74 2095
89dec7b6
TF
2096TF/05 Leading white space used to be stripped from $spam_report which
2097 wrecked the formatting. Now it is preserved.
5f28a6e8 2098
a99de90c
TF
2099TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
2100 that they are available at delivery time.
2101
e2803e40
TF
2102TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
2103
7199e1ee
TF
2104TF/08 TLS error reporting now respects the incoming_interface and
2105 incoming_port log selectors.
2106
e276e04b
TF
2107TF/09 Produce a more useful error message if an SMTP transport's hosts
2108 setting expands to an empty string.
2109
ce552449 2110NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 2111 Patch provided by Phil Pennock.
ce552449 2112
e765a0f1 2113NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 2114 Patch provided by Richard Godbee.
e765a0f1 2115
4f054c63 2116NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 2117 acl_smtp_notquit, added index entry.
4f054c63 2118
7d9f747b
PP
2119NM/09 Bugzilla 787: Potential buffer overflow in string_format.
2120 Patch provided by Eugene Bujak.
24c929a2 2121
7d9f747b
PP
2122NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
2123 accept(). Patch provided by Maxim Dounin.
cf73943b 2124
b52bc06e 2125NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 2126 Patch provided by Phil Pennock.
b52bc06e 2127
447de4b0
NM
2128NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
2129
4c69d561 2130NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 2131 Patch provided by Brad "anomie" Jorsch.
4c69d561 2132
d5c39246 2133NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 2134 Patch provided by Dean Brooks.
9b989985 2135
0b23848a
TK
2136TK/05 Add native DKIM support (does not depend on external libraries).
2137
8f3414a1 2138NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 2139 Patch provided by Graeme Fowler.
e2aacdfd 2140
fb6f955d
NM
2141NM/16 Bugzilla 851: Documentation example syntax fix.
2142
2143NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 2144
7d9f747b
PP
2145NM/18 Bugzilla 894: Fix issue with very long lines including comments in
2146 lsearch.
dbb0bf41 2147
7d9f747b
PP
2148NM/19 Bugzilla 745: TLS version reporting.
2149 Patch provided by Phil Pennock.
f3766eb5 2150
7d9f747b
PP
2151NM/20 Bugzilla 167: bool: condition support.
2152 Patch provided by Phil Pennock.
36f12725 2153
7d9f747b
PP
2154NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
2155 clients. Patch provided by Phil Pennock.
e6060e2c 2156
7d9f747b
PP
2157NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
2158 Patch provided by Brad "anomie" Jorsch.
5eb690a1 2159
7d9f747b
PP
2160NM/23 Bugzilla 687: Fix misparses in eximstats.
2161 Patch provided by Heiko Schlittermann.
d5c13d66 2162
7d9f747b
PP
2163NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
2164 Patch provided by Heiko Schlittermann.
b2335c0b 2165
7d9f747b 2166NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 2167 plus update to original patch.
f4cd9433 2168
7d9f747b 2169NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 2170
7d9f747b
PP
2171NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
2172 Patch provided by David Brownlee.
8dc71ab3 2173
7d9f747b 2174NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 2175
7d9f747b 2176NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 2177
7d9f747b 2178NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 2179
7d9f747b 2180NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 2181
17792b53 2182NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 2183 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 2184
7d9f747b
PP
2185NM/33 Bugzilla 898: Transport filter timeout fix.
2186 Patch by Todd Rinaldo.
52383f8f 2187
91576cec 2188NM/34 Bugzilla 901: Fix sign/unsigned and UTF mismatches.
7d9f747b 2189 Patch by Serge Demonchaux.
5ca6d115 2190
7d9f747b
PP
2191NM/35 Bugzilla 39: Base64 decode bug fixes.
2192 Patch by Jakob Hirsch.
baee9eee 2193
7d9f747b 2194NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 2195
7d9f747b 2196NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 2197
7d9f747b 2198NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 2199
7d9f747b 2200NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 2201
deafd5b3 2202
47db1125
NM
2203Exim version 4.69
2204-----------------
2205
4b3504d0
TK
2206TK/01 Add preliminary DKIM support. Currently requires a forked version of
2207 ALT-N's libdkim that I have put here:
2208 http://duncanthrax.net/exim-experimental/
2209
2210 Note to Michael Haardt: I had to rename some vars in sieve.c. They
2211 were called 'true' and it seems that C99 defines that as a reserved
2212 keyword to be used with 'bool' variable types. That means you could
2213 not include C99-style headers which use bools without triggering
2214 build errors in sieve.c.
2215
81ea09ca
NM
2216NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
2217 as mailq or other aliases. Changed the --help handling significantly
2218 to do whats expected. exim_usage() emits usage/help information.
2219
f13cddcb
SC
2220SC/01 Added the -bylocaldomain option to eximstats.
2221
7d9f747b 2222NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 2223
7d9f747b 2224NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 2225
7d9f747b 2226NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
2227
2228
eb4c0de6
PH
2229Exim version 4.68
2230-----------------
2231
2232PH/01 Another patch from the Sieve maintainer.
2233
6a3bceb1
PH
2234PH/02 When an IPv6 address is converted to a string for single-key lookup
2235 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
2236 dots are used instead of colons so that keys in lsearch files need not
2237 contain colons. This was done some time before quoting was made available
2238 in lsearch files. However, iplsearch files do require colons in IPv6 keys
2239 (notated using the quote facility) so as to distinguish them from IPv4
2240 keys. This meant that lookups for IP addresses in host lists did not work
2241 for iplsearch lookups.
2242
2243 This has been fixed by arranging for IPv6 addresses to be expressed with
2244 colons if the lookup type is iplsearch. This is not incompatible, because
2245 previously such lookups could never work.
2246
4c04137d 2247 The situation is now rather anomalous, since one *can* have colons in
6a3bceb1
PH
2248 ordinary lsearch keys. However, making the change in all cases is
2249 incompatible and would probably break a number of configurations.
2250
2e30fa9d
TK
2251TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
2252 version.
2253
0806a9c5
MH
2254MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
2255 conversion specification without a maximum field width, thereby enabling
2256 a rogue spamd server to cause a buffer overflow. While nobody in their
2257 right mind would setup Exim to query an untrusted spamd server, an
2258 attacker that gains access to a server running spamd could potentially
2259 exploit this vulnerability to run arbitrary code as the Exim user.
2260
ae276964
TK
2261TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
2262 $primary_hostname instead of what libspf2 thinks the hosts name is.
2263
0f2cbd1b
MH
2264MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
2265 a directory entry by the name of the lookup key. Previously, if a
2266 symlink pointed to a non-existing file or a file in a directory that
2267 Exim lacked permissions to read, a lookup for a key matching that
2268 symlink would fail. Now it is enough that a matching directory entry
2269 exists, symlink or not. (Bugzilla 503.)
2270
2b85bce7
PH
2271PH/03 The body_linecount and body_zerocount variables are now exported in the
2272 local_scan API.
2273
93655c46
PH
2274PH/04 Added the $dnslist_matched variable.
2275
6c512171
PH
2276PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
2277 This means they are set thereafter only if the connection becomes
2278 encrypted.
2279
2280PH/06 Added the client_condition to authenticators so that some can be skipped
2281 by clients under certain conditions.
2282
aa6dc513
PH
2283PH/07 The error message for a badly-placed control=no_multiline_responses left
2284 "_responses" off the end of the name.
2285
a96603a0
PH
2286PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
2287
8f240103
PH
2288PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
2289 (without spaces) instead of just copying the configuration text.
2290
2291PH/10 Added the /noupdate option to the ratelimit ACL condition.
2292
d677b2f2
PH
2293PH/11 Added $max_received_linelength.
2294
d52120f2
PH
2295PH/12 Added +ignore_defer and +include_defer to host lists.
2296
64f2600a
PH
2297PH/13 Installed PCRE version 7.2. This needed some changes because of the new
2298 way in which PCRE > 7.0 is built.
2299
8669f003
PH
2300PH/14 Implemented queue_only_load_latch.
2301
a4dc33a8
PH
2302PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
2303 MAIL command. The effect was to mangle the value on 64-bit systems.
2304
d6a60c0f
PH
2305PH/16 Another patch from the Sieve maintainer.
2306
8f128379
PH
2307PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
2308
8932dffe
PH
2309PH/18 If a system quota error occurred while trying to create the file for
2310 a maildir delivery, the message "Mailbox is full" was not appended to the
2311 bounce if the delivery eventually timed out. Change 4.67/27 below applied
2312 only to a quota excession during the actual writing of the file.
d6a60c0f 2313
ddea74fa 2314PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
2315 characters?) which causes problems in log lines. The DN values are now
2316 passed through string_printing() before being added to log lines.
2317
ddea74fa 2318PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
2319 and InterBase are left for another time.)
2320
ddea74fa
PH
2321PH/21 Added message_body_newlines option.
2322
ce9f225c
PH
2323PH/22 Guard against possible overflow in moan_check_errorcopy().
2324
19897d52
PH
2325PH/23 POSIX allows open() to be a macro; guard against that.
2326
bc64a74d
PH
2327PH/24 If the recipient of an error message contained an @ in the local part
2328 (suitably quoted, of course), incorrect values were put in $domain and
2329 $local_part during the evaluation of errors_copy.
2330
eb4c0de6 2331
b4ed4da0
PH
2332Exim version 4.67
2333-----------------
2334
22ad45c9
MH
2335MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
2336 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
2337 Jan Srzednicki.
2338
b4ed4da0
PH
2339PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
2340 issue a MAIL command.
2341
431b7361
PH
2342PH/02 In an ACL statement such as
2343
2344 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
2345
2346 if a client was not listed at all, or was listed with a value other than
2347 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
2348 the condition was not true (as it should be), so access was not denied.
2349 The bug was that the ! inversion was incorrectly passed on to the second
2350 item. This has been fixed.
2351
2352PH/03 Added additional dnslists conditions == and =& which are different from
2353 = and & when the dns lookup returns more than one IP address.
2354
83da1223
PH
2355PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
2356 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
2357
54fc8428
PH
2358PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
2359 FSYNC, which compiles an option called disable_fsync that allows for
2360 bypassing fsync(). The documentation is heavily laced with warnings.
2361
34c5e8dd
SC
2362SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
2363
bbe15da8
PH
2364PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
2365 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
2366 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
2367 including adding "make clean"; (3) Added -fPIC when compiling the test
2368 dynamically loaded module, to get rid of a warning.
2369
0e8a9471
MH
2370MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
2371 message fails, move_frozen_messages = true and ignore_bounce_errors_after
2372 = 0s. The bug is otherwise harmless.
2373
f0872424
PH
2374PH/07 There was a bug in the dovecot authenticator such that the value of
2375 $auth1 could be overwritten, and so not correctly preserved, after a
2376 successful authentication. This usually meant that the value preserved by
2377 the server_setid option was incorrect.
2378
b01dd148
PH
2379PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
2380
6bf342e1
PH
2381PH/09 Installed PCRE release 7.0.
2382
273f34d0
PH
2383PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
2384 run for batched SMTP input. It is now run at the start of every message
2385 in the batch. While fixing this I discovered that the process information
2386 (output by running exiwhat) was not always getting set for -bs and -bS
2387 input. This is fixed, and it now also says "batched" for BSMTP.
2388
cf8b11a5
PH
2389PH/11 Added control=no_pipelining.
2390
41c7c167
PH
2391PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
2392 patch, slightly modified), and move the expansion of helo_data till after
2393 the connection is made in the smtp transport (so it can use these
2394 values).
2395
9c57cbc0
PH
2396PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
2397
f3f065bb
PH
2398PH/14 Added log_selector = +pid.
2399
047bdd8c
PH
2400PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
2401
0ce9abe6
PH
2402PH/16 Add ${if forany and ${if forall.
2403
0e22dfd1
PH
2404PH/17 Added dsn_from option to vary the From: line in DSNs.
2405
4c590bd1
PH
2406PH/18 Flush SMTP output before performing a callout, unless control =
2407 no_callout_flush is set.
2408
09945f1e
PH
2409PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
2410 was true (the default) a successful delivery failed to delete the retry
2411 item, thus causing premature timeout of the address. The bug is now
2412 fixed.
2413
c51b8e75
PH
2414PH/20 Added hosts_avoid_pipelining to the smtp transport.
2415
e28326d8 2416PH/21 Long custom messages for fakedefer and fakereject are now split up
4c04137d 2417 into multiline responses in the same way that messages for "deny" and
e28326d8
PH
2418 other ACL rejections are.
2419
75b1493f
PH
2420PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
2421 with slight modification.
2422
7c5214ec
PH
2423PH/23 Applied sieve patches from the maintainer "tracking the latest notify
2424 draft, changing the syntax and factoring some duplicate code".
2425
4311097e
PH
2426PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
2427 for deliveries of the second and subsequent messages over the same SMTP
2428 connection.
2429
29f89cad
PH
2430PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
2431 ${reduce, with only minor "tidies".
2432
5e687460
SC
2433SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
2434
c3611384
PH
2435PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
2436 expansion side effects.
2437
5a11a7b4
PH
2438PH/27 When a message times out after an over-quota error from an Exim-imposed
2439 quota, the bounce message says "mailbox is full". This message was not
2440 being given when it was a system quota that was exceeded. It now should
2441 be the same.
2442
0e20aff9
MH
2443MH/03 Made $recipients available in local_scan(). local_scan() already has
2444 better access to the recipient list through recipients_list[], but
2445 $recipients can be useful in postmaster-provided expansion strings.
2446
ca86f471
PH
2447PH/28 The $smtp_command and $smtp_command_argument variables were not correct
2448 in the case of a MAIL command with additional options following the
2449 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
2450 were accidentally chopped off.
2451
a14e5636
PH
2452PH/29 SMTP synchronization checks are implemented when a command is read -
2453 there is a check that no more input is waiting when there shouldn't be
2454 any. However, for some commands, a delay in an ACL can mean that it is
2455 some time before the response is written. In this time, more input might
2456 arrive, invalidly. So now there are extra checks after an ACL has run for
2457 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
2458 pipelining has not been advertised.
2459
ec95d1a6
PH
2460PH/30 MH's patch to allow iscntrl() characters to be list separators.
2461
42855d71
PH
2462PH/31 Unlike :fail:, a custom message specified with :defer: was not being
2463 returned in the SMTP response when smtp_return_error_details was false.
2464 This has been fixed.
2465
57c2c631
PH
2466PH/32 Change the Dovecot authenticator to use read() and write() on the socket
2467 instead of the C I/O that was originally supplied, because problems were
2468 reported on Solaris.
2469
58c01c94
PH
2470PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
2471 Exim which did not show up earlier: it was assuming that a call to
2472 SSL_CTX_set_info_callback() might give an error value. In fact, there is
2473 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
2474 was a macro that became an assignment, so it seemed to work. This has
2475 changed to a proper function call with a void return, hence the compile
2476 error. Exim's code has been fixed.
2477
dee5a20a
PH
2478PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
2479 cpus.
2480
d2ee6114
PH
2481PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
2482
b2d5182b
PH
2483PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
2484
79749a79
PH
2485PH/37 If a message is not accepted after it has had an id assigned (e.g.
2486 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
2487 "Completed" line in the log. When some messages of this type were
2488 selected by exigrep, they were listed as "not completed". Others were
2489 picked up by some special patterns. I have improved the selection
2490 criteria to be more general.
79749a79 2491
c456d9bb
PH
2492PH/38 The host_find_failed option in the manualroute router can now be set
2493 to "ignore", to completely ignore a host whose IP address cannot be
2494 found. If all hosts are ignored, the behaviour is controlled by the new
2495 host_all_ignored option.
2496
cd9868ec
PH
2497PH/39 In a list of hosts for manualroute, if one item (either because of multi-
2498 homing or because of multiple MX records with /mx) generated more than
2499 one IP address, and the following item turned out to be the local host,
2500 all the secondary addresses of the first item were incorrectly removed
2501 from the list, along with the local host and any following hosts (which
2502 is what is supposed to happen).
2503
ebeaf996
PH
2504PH/40 When Exim receives a message, it writes the login name, uid, and gid of
2505 whoever called Exim into the -H file. In the case of the daemon it was
2506 behaving confusingly. When first started, it used values for whoever
2507 started the daemon, but after a SIGHUP it used the Exim user (because it
2508 calls itself on a restart). I have changed the code so that it now always
2509 uses the Exim user.
2510
2679d413
PH
2511PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
2512 message are rejected with the same error (e.g. no authentication or bad
2513 sender address), and a DATA command is nevertheless sent (as can happen
2514 with PIPELINING or a stupid MUA), the error message that was given to the
2515 RCPT commands is included in the rejection of the DATA command. This is
2516 intended to be helpful for MUAs that show only the final error to their
2517 users.
2518
84024b72
PH
2519PH/42 Another patch from the Sieve maintainer.
2520
8005d38e
SC
2521SC/02 Eximstats - Differentiate between permanent and temporary rejects.
2522 Eximstats - Fixed some broken HTML links and added missing column headers
2523 (Jez Hancock).
2524 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
2525 columns for Rejects, Temp Rejects, Ham, and Spam rows.
2526
3298c6c6
SC
2527SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
2528
a43a27c5
PH
2529PH/43 Yet another patch from the Sieve maintainer.
2530
58eb016e 2531PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
2532 the response to the final '.' that terminates a message, but only in the
2533 case where the client has not sent further data following the '.'
2534 (unfortunately, this is allowed). However, in many cases there won't be
2535 any further data because there won't be any more messages to send. A call
2536 to select() can be used: if it shows that the input is "ready", there is
2537 either input waiting, or the socket has been closed. An attempt to read
2538 the next input character can distinguish the two cases. Previously, Exim
58eb016e 2539 would have sent an OK response which the client would never have see.
563b63fa
PH
2540 This could lead to message repetition. This fix should cure that, at
2541 least in a lot of common cases.
58eb016e 2542
b43a74ea
PH
2543PH/45 Do not advertise STARTTLS in response to HELP unless it would be
2544 advertised in response to EHLO.
2545
b4ed4da0 2546
5dd1517f
PH
2547Exim version 4.66
2548-----------------
2549
2550PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
2551 fixed by 4.65/MH/01 (is this a record?) are fixed:
2552
2553 (i) An empty string was always treated as zero by the numeric comparison
2554 operators. This behaviour has been restored.
2555
2556 (ii) It is documented that the numeric comparison operators always treat
2557 their arguments as decimal numbers. This was broken in that numbers
2558 starting with 0 were being interpreted as octal.
2559
2560 While fixing these problems I realized that there was another issue that
2561 hadn't been noticed. Values of message_size_limit (both the global option
2562 and the transport option) were treated as octal if they started with 0.
2563 The documentation was vague. These values are now always treated as
2564 decimal, and I will make that clear in the documentation.
2565
2566
93cfa765
TK
2567Exim version 4.65
2568-----------------
2569
2570TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
2571 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
2572 versions. (#438)
2573
d6066548
MH
2574MH/01 Don't check that the operands of numeric comparison operators are
2575 integers when their expansion is in "skipping" mode (fixes bug
2576 introduced by 4.64-PH/07).
2577
4362ff0d
PH
2578PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
2579 child addresses, Exim now panics and dies. Previously, because the count
2580 is held in a short int, deliveries were likely to be lost. As such a
2581 large number of recipients for a single message is ridiculous
2582 (performance will be very, very poor), I have chosen to impose a limit
2583 rather than extend the field.
2584
93cfa765 2585
944e9e9c
TF
2586Exim version 4.64
2587-----------------
aa41d2de 2588
21d74bd9
TK
2589TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
2590 leftover -K file (the existence of which was triggered by #402).
2591 While we were at it, introduced process PID as part of the -K
2592 filename. This should rule out race conditions when creating
2593 these files.
2594
2595TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
2596 processing considerably. Previous code took too long for large mails,
2597 triggering a timeout which in turn triggers #401.
2598
2599TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
2600 in the DK code in transports.c. sendfile() is not really portable,
2601 hence the _LINUX specificness.
944e9e9c
TF
2602
2603TF/01 In the add_headers option to the mail command in an Exim filter,
2604 there was a bug that Exim would claim a syntax error in any
2605 header after the first one which had an odd number of characters
2606 in the field name.
2607
2b1c6e3a
PH
2608PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
2609 callout verification, Exim cached a "reject" for the entire domain. This
2610 is correct for most verifications, but it is not correct for a recipient
2611 verification with use_sender or use_postmaster set, because in that case
2612 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
2613 case of MAIL FROM:<> rejection from other early rejections (e.g.
2614 rejection of HELO). When verifying a recipient using a non-null MAIL
2615 address, the cache is ignored if it shows MAIL FROM:<> rejection.
2616 Whatever the result of the callout, the value of the domain cache is
2617 left unchanged (for any other kind of callout, getting as far as trying
2618 RCPT means that the domain itself is ok).
2619
1f872c80
PH
2620PH/02 Tidied a number of unused variable and signed/unsigned warnings that
2621 gcc 4.1.1 threw up.
2622
2623PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
2624 manifest itself as EPIPE rather than ECONNECT. When tidying away a
2625 session, the daemon ignores ECONNECT errors and logs others; it now
2626 ignores EPIPE as well.
2627
d203e649
PH
2628PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
2629 (quoted-printable decoding).
2630
cc2ed8f7 2631PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 2632 later the small subsequent patch to fix an introduced bug.
f951fd57 2633
ddfcd446
PH
2634PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
2635
d45b1de8
PH
2636PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
2637
2638PH/08 An error is now given if message_size_limit is specified negative.
2639
38a0a95f 2640PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 2641 to be given (somewhat) arbitrary names.
38a0a95f 2642
a2405d83
JJ
2643JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
2644 in 4.64-PH/09.
2645
2646JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
2647 miscellaneous code fixes
2648
6ea85e9a
PH
2649PH/10 Added the log_reject_target ACL modifier to specify where to log
2650 rejections.
2651
26da7e20
PH
2652PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
2653 hostname. This is wrong, because it relates to the incoming message (and
2654 probably the interface on which it is arriving) and not to the outgoing
2655 callout (which could be using a different interface). This has been
2656 changed to use the value of the helo_data option from the smtp transport
2657 instead - this is what is used when a message is actually being sent. If
2658 there is no remote transport (possible with a router that sets up host
2659 addresses), $smtp_active_hostname is used.
6ea85e9a 2660
14aa5a05 2661PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 2662 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
2663 (a) The code assumed that strncpy() returns a negative number on buffer
2664 overflow, which isn't the case. Replaced with Exim's string_format()
2665 function.
2666 (b) There were several signed/unsigned issues. I just did the minimum
2667 hacking in of casts. There is scope for a larger refactoring.
2668 (c) The code used strcasecmp() which is not a standard C function.
2669 Replaced with Exim's strcmpic() function.
2670 (d) The code set only $1; it now sets $auth1 as well.
2671 (e) A simple test gave the error "authentication client didn't specify
2672 service in request". It would seem that Dovecot has changed its
2673 interface. Fortunately there's a specification; I followed it and
2674 changed what the client sends and it appears to be working now.
2675
ff75a1f7
PH
2676PH/13 Added $message_headers_raw to provide the headers without RFC 2047
2677 decoding.
2678
e6f6568e
PH
2679PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
2680 address A is aliased to B and C, where B exists and C does not. Without
2681 -v the output is "A verified" because verification stops after a
2682 successful redirection if more than one address is generated. However,
2683 with -v the child addresses are also verified. Exim was outputting "A
2684 failed to verify" and then showing the successful verification for C,
2685 with its parentage. It now outputs "B failed to verify", showing B's
2686 parentage before showing the successful verification of C.
2687
d6f6e0dc
PH
2688PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
2689 look up a TXT record in a specific list after matching in a combined
2690 list.
2691
322050c2
PH
2692PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
2693 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
2694 they consult the DNS. I had assumed they would set it the way they
2695 wanted; and indeed my experiments on Linux seem to show that in some
2696 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
2697 To be on the safe side, however, I have now made the interface to
2698 host_find_byname() similar to host_find_bydns(), with an argument
2699 containing the DNS resolver options. The host_find_byname() function now
2700 sets these options at its start, just as host_find_bydns() does. The smtp
2701 transport options dns_qualify_single and dns_search_parents are passed to
2702 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
2703 of host_find_byname() use the default settings of RES_DEFNAMES
2704 (qualify_single) but not RES_DNSRCH (search_parents).
2705
08955dd3
PH
2706PH/17 Applied (a modified version of) Nico Erfurth's patch to make
2707 spool_read_header() do less string testing, by means of a preliminary
2708 switch on the second character of optional "-foo" lines. (This is
2709 overdue, caused by the large number of possibilities that now exist.
2710 Originally there were few.) While I was there, I also converted the
2711 str(n)cmp tests so they don't re-test the leading "-" and the first
2712 character, in the hope this might squeeze out yet more improvement.
2713
1eccaa59
PH
2714PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
2715 flag allowing group syntax was set by the header_syntax check but not
2716 turned off, possible causing trouble later; (2) The flag was not being
2717 set at all for the header_verify test, causing "group"-style headers to
2718 be rejected. I have now set it in this case, and also caused header_
2719 verify to ignore an empty address taken from a group. While doing this, I
2720 came across some other cases where the code for allowing group syntax
2721 while scanning a header line wasn't quite right (mostly, not resetting
2722 the flag correctly in the right place). These bugs could have caused
2723 trouble for malformed header lines. I hope it is now all correct.
2724
602e59e5
PH
2725PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
2726 with the "reply" argument non-NULL. The code, however (which originally
2727 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
2728 but it didn't always do it. This confused somebody who was copying the
2729 code for some other use. I have removed all the tests.
2730
411ef850
PH
2731PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
2732 feature that was used to support insecure browsers during the U.S. crypto
2733 embargo. It requires special client support, and Exim is probably the
2734 only MTA that supported it -- and would never use it because real RSA is
2735 always available. This code has been removed, because it had the bad
2736 effect of slowing Exim down by computing (never used) parameters for the
2737 RSA_EXPORT functionality.
2738
7befa435
PH
2739PH/21 On the advice of Timo Sirainen, added a check to the dovecot
2740 authenticator to fail if there's a tab character in the incoming data
2741 (there should never be unless someone is messing about, as it's supposed
2742 to be base64-encoded). Also added, on Timo's advice, the "secured" option
2743 if the connection is using TLS or if the remote IP is the same as the
2744 local IP, and the "valid-client-cert option" if a client certificate has
2745 been verified.
2746
48da4259 2747PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
2748 authenticators. This can be used for authorization after authentication
2749 succeeds. (In the case of plaintext, it servers for both authentication
2750 and authorization.)
2751
48da4259
PH
2752PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
2753 if any retry times were supplied.
2754
d1d5595c
PH
2755PH/24 Exim crashed if verify=helo was activated during an incoming -bs
2756 connection, where there is no client IP address to check. In this
2757 situation, the verify now always succeeds.
2758
0ef732d9
PH
2759PH/25 Applied John Jetmore's -Mset patch.
2760
328895cc
PH
2761PH/26 Added -bem to be like -Mset, but loading a message from a file.
2762
fd700877
PH
2763PH/27 In a string expansion for a processed (not raw) header when multiple
2764 headers of the same name were present, leading whitespace was being
2765 removed from all of them, but trailing whitespace was being removed only
2766 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
2767 before concatenation. Completely empty headers in a concatenation (as
2768 before) are ignored.
fd700877 2769
8dce1a6f
PH
2770PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
2771 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
2772
17af4a17
PH
2773PH/29 [Removed. This was a change that I later backed out, and forgot to
2774 correct the ChangeLog entry (that I had efficiently created) before
2775 committing the later change.]
f6c332bd
PH
2776
2777PH/30 Exim was sometimes attempting to deliver messages that had suffered
2778 address errors (4xx response to RCPT) over the same connection as other
2779 messages routed to the same hosts. Such deliveries are always "forced",
2780 so retry times are not inspected. This resulted in far too many retries
2781 for the affected addresses. The effect occurred only when there were more
2782 hosts than the hosts_max_try setting in the smtp transport when it had
2783 the 4xx errors. Those hosts that it had tried were not added to the list
2784 of hosts for which the message was waiting, so if all were tried, there
2785 was no problem. Two fixes have been applied:
2786
2787 (i) If there are any address or message errors in an SMTP delivery, none
2788 of the hosts (tried or untried) are now added to the list of hosts
2789 for which the message is waiting, so the message should not be a
2790 candidate for sending over the same connection that was used for a
2791 successful delivery of some other message. This seems entirely
2792 reasonable: after all the message is NOT "waiting for some host".
2793 This is so "obvious" that I'm not sure why it wasn't done
2794 previously. Hope I haven't missed anything, but it can't do any
2795 harm, as the worst effect is to miss an optimization.
2796
2797 (ii) If, despite (i), such a delivery is accidentally attempted, the
2798 routing retry time is respected, so at least it doesn't keep
2799 hammering the server.
2800
c1114884
PH
2801PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
2802 in ${readsocket because some servers need this prod.
2803
7a0743eb
PH
2804PH/32 Added some extra debug output when updating a wait-xxx database.
2805
0d85fa3f
PH
2806PH/33 The hint "could be header name not terminated by colon", which has been
2807 given for certain expansion errors for a long time, was not being given
2808 for the ${if def:h_colon_omitted{... case.
2809
1bf43b78
PH
2810PH/34 The spec says: "With one important exception, whenever a domain list is
2811 being scanned, $domain contains the subject domain." There was at least
2812 one case where this was not true.
2813
520de300
PH
2814PH/35 The error "getsockname() failed: connection reset by peer" was being
2815 written to the panic log as well as the main log, but it isn't really
2816 panic-worthy as it just means the connection died rather early on. I have
2817 removed the panic log writing for the ECONNRESET error when getsockname()
2818 fails.
2819
48c7f9e2
PH
2820PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
2821 runs only) independently of the message's sender address. This meant
2822 that, if the 4xx error was in fact related to the sender, a different
2823 message to the same recipient with a different sender could confuse
4c04137d 2824 things. In particular, this can happen when sending to a greylisting
48c7f9e2
PH
2825 server, but other circumstances could also provoke similar problems.
2826 I have changed the default so that the retry time for these errors is now
2827 based a combination of the sender and recipient addresses. This change
2828 can be overridden by setting address_retry_include_sender=false in the
2829 smtp transport.
2830
99ea1c86
PH
2831PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
2832 remote server are returned as part of bounce messages. This was not
2833 happening for LMTP over a pipe (the lmtp transport), but now it is the
2834 same for both kinds of LMTP.
2835
a2042e78
PH
2836PH/38 Despite being documented as not happening, Exim was rewriting addresses
2837 in header lines that were in fact CNAMEs. This is no longer the case.
2838
4fbcfc2e
PH
2839PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
2840 and queue runs started by the daemon processed all messages. This has
2841 been fixed so that -R and -S can now usefully be given with -q<time>.
2842
aa41d2de
PH
2843PH/40 Import PCRE release 6.7 (fixes some bugs).
2844
af561417
PH
2845PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
2846
3cc66b45
PH
2847PH/42 Give an error if -q is specified more than once.
2848
194cc0e4
PH
2849PH/43 Renamed the variables $interface_address and $interface_port as
2850 $received_ip_address and $received_port, to make it clear that these
2851 values apply to message reception, and not to the outgoing interface when
2852 a message is delivered. (The old names remain recognized, of course.)
2853
a401ddaa
PH
2854PH/44 There was no timeout on the connect() call when using a Unix domain
2855 socket in the ${readsocket expansion. There now is.
2856
4e88a19f
PH
2857PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
2858 be meaningful with "accept".
2859
d7d7b289
SC
2860SC/01 Eximstats V1.43
2861 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
2862
2863SC/02 Eximstats V1.44
2864 Use a glob alias rather than an array ref in the generated
2865 parser. This improves both readability and performance.
2866
2867SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
2868 Collect SpamAssassin and rejection statistics.
2869 Don't display local sender or destination tables unless
2870 there is data to show.
2871 Added average volumes into the top table text output.
2872
2873SC/04 Eximstats V1.46
2874 Collect data on the number of addresses (recipients)
2875 as well as the number of messages.
2876
2877SC/05 Eximstats V1.47
2878 Added 'Message too big' to the list of mail rejection
2879 reasons (thanks to Marco Gaiarin).
2880
2881SC/06 Eximstats V1.48
2882 Mainlog lines which have GMT offsets and are too short to
2883 have a flag are now skipped.
2884
2885SC/07 Eximstats V1.49 (Alain Williams)
2886 Added the -emptyok flag.
2887
2888SC/08 Eximstats V1.50
2889 Fixes for obtaining the IP address from reject messages.
2890
0ea2a468
JJ
2891JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
2892 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
4c04137d 2893 whitespace changes from 4.64-PH/27
0ea2a468
JJ
2894
2895JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
2896 match 4.64-PH/13
2897
2898JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
2899 are found, allow negative numbers in numeric criteria)
2900
2901JJ/06 exipick.20061117.2, added new $message_body_missing variable
2902
2903JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
2904 to match changes made in 4.64-PH/43
2905
8a10f5a4
PH
2906PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
2907
30e18802
PH
2908PH/47 Put in an explicit test for a DNS lookup of an address record where the
2909 "domain" is actually an IP address, and force a failure. This locks out
2910 those revolvers/nameservers that support "A-for-A" lookups, in
2911 contravention of the specifications.
2912
55728a4f
PH
2913PH/48 When a host name was looked up from an IP address, and the subsequent
2914 forward lookup of the name timed out, the host name was left in
2915 $sender_host_name, contrary to the specification.
d7d7b289 2916
d7837193
PH
2917PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
2918 restricted to single-key lookups, Exim was not diagnosing an error if
2919 * or *@ was used with a query-style lookup.
2920
87054a31
PH
2921PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
2922
ea2c01d2
MH
2923MH/01 local_scan ABI version incremented to 1.1. It should have been updated
2924 long ago, but noone interested enough thought of it. Let's just say that
2925 the "1.1" means that there are some new functions that weren't there at
2926 some point in the past.
2927
e4fa6968
PH
2928PH/51 Error processing for expansion failure of helo_data from an smtp
2929 transport during callout processing was broken.
2930
56f5d9bd
PH
2931PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
2932 tested/used via the -bh/-bhc/-bs options.
2933
922e1c28
PH
2934PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
2935 bug, fixed in subsequent PCRE releases).
2936
21eb6e72
PH
2937PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
2938 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
2939
a0540757
PH
2940PH/55 Check for a ridiculously long file name in exim_dbmbuild.
2941
944e9e9c 2942
478be7b0
SC
2943Exim version 4.63
2944-----------------
2945
2946SC/01 Use a glob alias rather than an array ref in eximstats generated
2947 parser. This improves both readability and performance.
2948
2949SC/02 Collect SpamAssassin and rejection statistics in eximstats.
2950 Don't display local sender or destination tables in eximstats unless
2951 there is data to show.
2952 Added average volumes into the eximstats top table text output.
2953
2954SC/03 Collect data on the number of addresses (recipients) as well
2955 as the number of messages in eximstats.
2956
2b965a65
TF
2957TF/01 Correct an error in the documentation for the redirect router. Exim
2958 does (usually) call initgroups() when daemonizing.
478be7b0 2959
45b91596
PH
2960TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
2961 with consistent privilege compared to when running as a daemon.
478be7b0 2962
c59f5781
TF
2963TF/03 Note in the spec that $authenticated_id is not set for local
2964 submissions from trusted users.
2965
90fc3069
TF
2966TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
2967 Thanks to Dean Brooks <dean@iglou.com> for the patch.
2968
6083aca0
TF
2969TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
2970 by adding some example configuration directives to the default
2971 configuration file. A little bit of work is required to uncomment the
2972 directives and define how usernames and passwords are checked, but
2973 there is now a framework to start from.
2974
765b530f
PH
2975PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
2976 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
2977 without this. I don't know how relevant this is to other LDAP libraries.
2978
4e167a8c
PH
2979PH/02 Add the verb name to the "unknown ACL verb" error.
2980
4608d683
PH
2981PH/03 Magnus Holmgren's patch for filter_prepend_home.
2982
b8dc3e4a
PH
2983PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
2984
5418e93b
PH
2985PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
2986 directory not expanded when it should be if an expanded home directory
2987 was set for the address (which is overridden by the transport).
2988
b4a9bda2
PH
2989PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
2990 libradius.
2991
45b91596
PH
2992PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
2993 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
2994 because it is too late at that time, and has no effect.
2995
5547e2c5
PH
2996PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
2997 security issue with \' (bugzilla #107). I could not use the
2998 PQescapeStringConn() function, because it needs a PGconn value as one of
2999 its arguments.
3000
dbcef0ea
PH
3001PH/08 When testing addresses using -bt, indicate those final addresses that
3002 are duplicates that would not cause an additional delivery. At least one
3003 person was confused, thinking that -bt output corresponded to deliveries.
3004 (Suppressing duplicates isn't a good idea as you lose the information
3005 about possibly different redirections that led to the duplicates.)
3006
25257489
PH
3007PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
3008 systems where poll() doesn't work, in particular OS X.
3009
c816d124
PH
3010PH/10 Added more information to debugging output for retry time not reached.
3011
a9ccd69a
PH
3012PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
3013 operations in malware.c.
3014
75fa1910
PH
3015PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
3016 signatures.
3017
a7d7aa58
PH
3018PH/13 If write_rejectlog was set false when logging was sent to syslog with
3019 syslog_duplication set false, log lines that would normally be written
3020 both the the main log and to the reject log were not written to syslog at
3021 all.
3022
42119b09
PH
3023PH/14 In the default configuration, change the use of "message" in ACL warn
3024 statements to "add_header".
3025
41609df5
PH
3026PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
3027 not followed by a command (e.g. "seen endif").
3028
a5bd321b
PH
3029PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
3030 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
3031 latter.
3032
e85a7ad5 3033PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
3034 so that it is now:
3035
e85a7ad5
PH
3036 ${if or { \
3037 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
3038 { match{$h_precedence:}{(?i)bulk|list|junk} } \
3039 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
3040 }{no}{yes}}
3041
e85a7ad5
PH
3042 The Auto-Submitted: and various List- headers are standardised, whereas I
3043 don't think Precedence: ever was.
5dff5817 3044
d8fe1c03
PH
3045PH/18 Refactored debugging code in route_finduser() to show more information,
3046 in particular, the error code if getpwnam() issues one.
3047
16282d2b
PH
3048PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
3049 This is apparently needed in addition to the PH/07 change above to avoid
3050 any possible encoding problems.
3051
35d40a98
PH
3052PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
3053 but not after initializing Perl.
3054
034d99ab
PH
3055PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
3056 output them only if debugging. By default they are written stderr,
3057 apparently, which is not desirable.
3058
6ec97b1b
PH
3059PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
3060 queries.
3061
e22ca4ac
JJ
3062JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
3063 --not options
3064
3065JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
3066
33d73e3b
PH
3067PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
3068 authenticated or an ident call has been made. Suppress the default
3069 values for $authenticated_id and $authenticated_sender (but permit -oMai
3070 and -oMas) when testing with -bh.
3071
9ecb03f3
PH
3072PH/24 Re-jigged the order of the tests in the default configuration so that the
3073 tests for valid domains and recipients precede the DNS black list and CSA
3074 tests, on the grounds that those ones are more expensive.
3075
084efe8d
PH
3076PH/25 Exim was not testing for a space following SMTP commands such as EHLO
3077 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
3078 This bug exists in every version of Exim that I still have, right back to
3079 0.12.
3080
366fc9f0
PH
3081PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
3082 However, an attempt to turn on case-sensitivity in a regex key by
3083 including (?-i) didn't work because the subject string was already
3084 lowercased, and the effects were non-intuitive. It turns out that a
3085 one-line patch can be used to allow (?-i) to work as expected.
3086
c59f5781 3087
c887c79e
TF
3088Exim version 4.62
3089-----------------
3090
3091TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
3092 other effects) broke the use of negated acl sub-conditions.
3093
1cce3af8
PH
3094PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
3095 patch).
3096
afb3eaaf
PH
3097PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
3098 "Deny" causes Exim to reject the incoming connection with a 554 error.
3099 Unfortunately, if there is a major crisis, such as a disk failure,
3100 tcp-wrappers gives "deny", whereas what one would like would be some
3101 kind of temporary error. A kludge has been added to help with this.
3102 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
3103 554 error is used if errno is still zero or contains ENOENT (which occurs
3104 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
3105 451 error is used.
3106
e173618b
PH
3107PH/03 Add -lutil to the default FreeBSD LIBS setting.
3108
dd16e114
PH
3109PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
3110 errors. Otherwise a message that provokes a temporary error (when other
3111 messages do not) can cause a whole host to time out.
3112
f7fd3850
PH
3113PH/05 Batch deliveries by appendfile and pipe transports did not work when the
3114 addresses were routed directly to files or pipes from a redirect router.
3115 File deliveries just didn't batch; pipe deliveries might have suffered
3116 odd errors.
3117
d87df92c
PH
3118PH/06 A failure to get a lock for a hints database would erroneously always say
3119 "Failed to get write lock", even when it was really a read lock.
3120
7e9f683d
PH
3121PH/07 The appendfile transport was creating MBX lock files with a fixed mode
3122 of 0600. This has been changed to use the value of the lockfile_mode
3123 option (which defaults to 0600).
3124
bfad5236
PH
3125PH/08 Applied small patch from the Sieve maintainer.
3126
01c490df
PH
3127PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
3128 folder from quota calculations, a direct delivery into this folder messed
3129 up the contents of the maildirsize file. This was because the regex was
3130 used only to exclude .Trash (or whatever) when the size of the mailbox
3131 was calculated. There was no check that a delivery was happening into an
3132 excluded directory. This bug has been fixed by ignoring all quota
3133 processing for deliveries into excluded directories.
3134
d6629cdc
PH
3135PH/10 Added the maildirfolder_create_regex option to appendfile.
3136
1cce3af8 3137
214e2000
PH
3138Exim version 4.61
3139-----------------
3140
3141PH/01 The code for finding all the local interface addresses on a FreeBSD
3142 system running IPv6 was broken. This may well have applied to all BSD
3143 systems, as well as to others that have similar system calls. The broken
3144 code found IPv4 interfaces correctly, but gave incorrect values for the
3145 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
3146 that it would not match correctly against @[] and not recognize the IPv6
3147 addresses as local.
3148
f9daeae0
PH
3149PH/02 The ipliteral router was not recognizing addresses of the form user@
3150 [ipv6:....] because it didn't know about the "ipv6:" prefix.
3151
7e66e54d
PH
3152PH/03 Added disable_ipv6.
3153
c8ea1597
PH
3154PH/04 Changed $reply_address to use the raw form of the headers instead of the
3155 decoded form, because it is most often used to construct To: headers
3156 lines in autoreplies, and the decoded form may well be syntactically
3157 invalid. However, $reply_address has leading white space removed, and all
3158 newlines turned into spaces so that the autoreply transport does not
3159 grumble.
3160
911f6fde
PH
3161PH/05 If group was specified without a user on a router, and no group or user
3162 was specified on a transport, the group from the router was ignored.
3163
47ca6d6c
PH
3164PH/06 Increased the number of ACL variables to 20 of each type, and arranged
3165 for visible compile-time settings that can be used to change these
3166 numbers, for those that want even more. Backwards compatibility with old
3167 spool files has been maintained. However, going back to a previous Exim
3168 release will lost any variables that are in spool files.
3169
ed0e9820
PH
3170PH/07 Two small changes when running in the test harness: increase delay when
3171 passing a TCP/IP connection to a new process, in case the original
3172 process has to generate a bounce, and remove special handling of
3173 127.0.0.2 (sic), which is no longer necessary.
3174
eff37e47
PH
3175PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
3176 be the same on different OS.
3177
1921d2ea
PH
3178PH/09 Moved a debug statement in filter processing to avoid a race problem when
3179 testing.
3180
b3f69ca8
JJ
3181JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
3182 whether --show-vars was specified or not
3183
3184JJ/02 exipick: Added support for new ACL variable spool format introduced
3185 in 4.61-PH/06
3186
424a1c63
PH
3187PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
3188 syntactically invalid From: or Reply-to: line, and a filter used this to
3189 generate an autoreply, and therefore failed to obtain an address for the
3190 autoreply, Exim could try to deliver to a non-existent relative file
3191 name, causing unrelated and misleading errors. What now happens is that
3192 it logs this as a hard delivery error, but does not attempt to create a
3193 bounce message.
3194
7a100415
PH
3195PH/11 The exinext utility has a -C option for testing purposes, but although
3196 the given file was scanned by exinext itself; it wasn't being passed on
3197 when Exim was called.
3198
19b9dc85
PH
3199PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
3200 an end-of-file indication when reading a command response.
3201
309bd837
PH
3202PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
3203 compiled. In many other places in Exim, IPv6 addresses are always
3204 recognized, so I have changed this. It also means that IPv4 domain
3205 literals of the form [IPV4:n.n.n.n] are now always recognized.
3206
59e82a2a
PH
3207PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
3208 used if the router is not running as root, for example, when verifying at
3209 ACL time, or when using -bh. The debugging output from this situation was
3210 non-existent - all you got was a failure to exec. I have made two
3211 changes:
3212
3213 (a) Failures to set uid/gid, the current directory, or a process leader
3214 in a subprocess such as that created by queryprogram now generate
4c04137d 3215 suitable debugging output when -d is set.
59e82a2a
PH
3216
3217 (b) The queryprogram router detects when it is not running as root,
3218 outputs suitable debugging information if -d is set, and then runs
3219 the subprocess without attempting to change uid/gid.
3220
9edc04ce
PH
3221PH/15 Minor change to Makefile for building test_host (undocumented testing
3222 feature).
3223
1349e1e5
PH
3224PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
3225 additional section of a DNS packet that returns MX or SRV records.
3226 Instead, it always explicitly searches for A/AAAA records. This avoids
3227 major problems that occur when a DNS server includes only records of one
3228 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
3229 fixed another bug: if SRV records were looked up and the corresponding
3230 address records were *not* found in the additional section, the port
3231 values from the SRV records were lost.
3232
ea49d0e1
PH
3233PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
3234 using the correct key (the original address) when searching the retry
3235 rules in order to find which one to use for generating the retry hint.
3236
064a94c9
PH
3237PH/18 If quota_warn_message contains a From: header, Exim now refrains from
3238 adding the default one. Similarly, if it contains a Reply-To: header, the
3239 errors_reply_to option, if set, is not used.
3240
727071f8
PH
3241PH/19 When calculating a retry time, Exim used to measure the "time since
3242 failure" by looking at the "first failed" field in the retry record. Now
3243 it does not use this if it is later than than the arrival time of the
3244 message. Instead it uses the arrival time. This makes for better
3245 behaviour in cases where some deliveries succeed, thus re-setting the
3246 "first failed" field. An example is a quota failure for a huge message
3247 when small messages continue to be delivered. Without this change, the
3248 "time since failure" will always be short, possible causing more frequent
3249 delivery attempts for the huge message than are intended.
dd16e114 3250 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 3251
f78eb7c6
PH
3252PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
3253 $1, $2, $3) because the numerical variables can be reset during some
3254 expansion items (e.g. "match"), thereby losing the authentication data.
3255
21c28500
PH
3256PH/21 Make -bV show the size of off_t variables so that the test suite can
3257 decide whether to run tests for quotas > 2G.
3258
3259PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
3260 mailbox_size, and mailbox_filecount in the appendfile transport. If a
3261 filecount value is greater than 2G or if a quota value is greater than 2G
3262 on a system where the size of off_t is not greater than 4, a panic error
3263 is given.
3264
1688f43b
PH
3265PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
3266 never match. The debug and -bh output now contains an explicit error
3267 message indicating a malformed IPv4 address or mask.
3268