X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/4c57a40e227ea6585cf1dd4bef37fbb15e1f7e35..278293d39d5c3f77e6deb4c52a7068ea4a1d48dd:/doc/doc-txt/ChangeLog diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index 7e02d30bc..a680593d2 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -1,5 +1,5 @@ Change log file for Exim from version 4.21 -------------------------------------------- +------------------------------------------ This document describes *changes* to previous versions, that might affect Exim's operation, with an unchanged configuration file. For new options, and new features, see the NewStuff file next to this ChangeLog. @@ -9,13 +9,46 @@ Exim version 4.89 ------------------- JH/01 Bug 1922: Support IDNA2008. This has slightly different conversion rules - than -2003 did; needs libidn2 in addition to linidn. + than -2003 did; needs libidn2 in addition to libidn. JH/02 The path option on a pipe transport is now expanded before use. PP/01 GitHub PR 50: Do not call ldap_start_tls_s on ldapi:// connections. Patch provided by "Björn", documentation fix added too. +JH/03 Bug 2003: fix Proxy Protocol v2 handling: the address size field was + missing a wire-to-host endian conversion. + +JH/04 Bug 2004: fix CHUNKING in non-PIPELINEING mode. Chunk data following + close after a BDAT command line could be taken as a following command, + giving a synch failure. Fix by only checking for synch immediately + before acknowledging the chunk. + +PP/02 GitHub PR 52: many spelling fixes, which include fixing parsing of + no_require_dnssec option and creation of _HAVE_TRANSPORT_APPEND_MAILDIR + macro. Patches provided by Josh Soref. + +JH/05 Have the EHLO response advertise VRFY, if there is a vrfy ACL defined. + Previously we did not; the RFC seems ambiguous and VRFY is not listed + by IANA as a service extension. However, John Klensin suggests that we + should. + +JH/06 Bug 2017: Fix DKIM verification in -bh test mode. The data feed into + the dkim code may be unix-mode line endings rather than smtp wire-format + CRLF, so prepend a CR to any bare LF. + +JH/07 Rationalise the coding for callout smtp conversations and transport ones. + As a side-benfit, callouts can now use PIPELINING hence fewer round-trips. + +JH/08 Bug 2016: Fix DKIM verification vs. CHUNKING. Any BDAT commands after + the first were themselves being wrongly included in the feed into dkim + processing; with most chunk sizes in use this resulted in an incorrect + body hash calculated value. + +JH/09 Bug 2014: permit inclusion of a DKIM-Signature header in a received + DKIM signature block, for verification. Although advised against by + standards it is specifically not ruled illegal. + Exim version 4.88 ----------------- @@ -82,7 +115,7 @@ JH/16 DANE: treat a TLSA lookup response having all non-TLSA RRs, the same as one having no matching records. Previously we deferred the message that needed the lookup. -JH/17 Fakereject: previously logged as a norml message arrival "<="; now +JH/17 Fakereject: previously logged as a normal message arrival "<="; now distinguished as "(=". JH/18 Bug 1867: make the fail_defer_domains option on a dnslookup router work @@ -93,7 +126,7 @@ JH/19 Bug 1850: support Radius libraries that return REJECT_RC. JH/20 Bug 1872: Ensure that acl_smtp_notquit is run when the connection drops after the data-go-ahead and data-ack. Patch from Jason Betts. -JH/21 Bug 1846: Send DMARC forensic reports for reject and quaratine results, +JH/21 Bug 1846: Send DMARC forensic reports for reject and quarantine results, even for a "none" policy. Patch from Tony Meyer. JH/22 Fix continued use of a connection for further deliveries. If a port was @@ -206,7 +239,7 @@ JH/05 Downgrade message for a TLS-certificate-based authentication fail from HS/02 Add the Exim version string to the process info. This way exiwhat gives some more detail about the running daemon. -JH/06 Bug 1395: time-limit cacheing of DNS lookups, to the TTL value. This may +JH/06 Bug 1395: time-limit caching of DNS lookups, to the TTL value. This may matter for fast-change records such as DNSBLs. JH/07 Bug 1678: Always record an interface option value, if set, as part of a @@ -240,7 +273,7 @@ JH/17 Bug 1713: Fix non-PDKIM_DEBUG build. Patch from Jasen Betts. JH/18 Bug 1709: When built with TLS support, the tls_advertise_hosts option now defaults to "*" (all hosts). The variable is now available when not built - with TLS, default unset, mainly to enable keeping the testuite sane. + with TLS, default unset, mainly to enable keeping the testsuite sane. If a server certificate is not supplied (via tls_certificate) an error is logged, and clients will find TLS connections fail on startup. Presumably they will retry in-clear. @@ -254,7 +287,7 @@ JH/19 Two additional event types: msg:rcpt:defer and msg:rcpt:host:defer. Both in transport context, after the attempt, and per-recipient. The latter type is per host attempted. The event data is the error message, and the errno information encodes the lookup type (A vs. MX) used for the (first) host, - and the trailing two digits of the smtp 4xx reponse. + and the trailing two digits of the smtp 4xx response. GF/01 Bug 1715: Fix for race condition in exicyclog, where exim could attempt to write to mainlog (or rejectlog, paniclog) in the window between file @@ -269,7 +302,7 @@ JH/21 Bug 1720: Add support for priority groups and weighted-random proxy "pri" and "weight". Note that the previous implicit priority given by the list order is no longer honoured. -JH/22 Bugs 963, 1721: Fix some corner cases in message body canonicalisation +JH/22 Bugs 963, 1721: Fix some corner cases in message body canonicalization for DKIM processing. JH/23 Move SOCKS5 support from Experimental to mainline, enabled for a build @@ -451,13 +484,13 @@ JH/25 Bug 466: Add RFC2322 support for MIME attachment filenames. HS/02 Bug 1575: exigrep falls back to autodetection of compressed files if ZCAT_COMMAND is not executable. -JH/26 Bug 1539: Add timout/retry options on dnsdb lookups. +JH/26 Bug 1539: Add timeout/retry options on dnsdb lookups. JH/27 Bug 286: Support SOA lookup in dnsdb lookups. JH/28 Bug 1588: Do not use the A lookup following an AAAA for setting the FQDN. Normally benign, it bites when the pair was led to by a CNAME; - modern usage is to not canoicalize the domain to a CNAME target + modern usage is to not canonicalize the domain to a CNAME target (and we were inconsistent anyway for A-only vs AAAA+A). JH/29 Bug 1632: Removed the word "rejected" from line logged for ACL discards. @@ -523,7 +556,7 @@ JH/05 Fix results-pipe from transport process. Several recipients, combined with certificate use, exposed issues where response data items split over buffer boundaries were not parsed properly. This eventually resulted in duplicates being sent. This issue only became common enough - to notice due to the introduction of conection certificate information, + to notice due to the introduction of connection certificate information, the item size being so much larger. Found and fixed by Wolfgang Breyha. JH/06 Bug 1533: Fix truncation of items in headers_remove lists. A fixed @@ -533,7 +566,7 @@ JH/06 Bug 1533: Fix truncation of items in headers_remove lists. A fixed JH/07 Add support for directories of certificates when compiled with a GnuTLS version 3.3.6 or later. -JH/08 Rename the TPDA expermimental facility to Event Actions. The #ifdef +JH/08 Rename the TPDA experimental facility to Event Actions. The #ifdef is EXPERIMENTAL_EVENT, the main-configuration and transport options both become "event_action", the variables become $event_name, $event_data and $event_defer_errno. There is a new variable $verify_mode, usable in @@ -571,7 +604,7 @@ TL/07 Bug 1547: Omit RFCs from release. Draft and RFCs have licenses which JH/15 Updates and fixes to the EXPERIMENTAL_DSN feature. -JH/16 Fix string representation of time values on 64bit time_t anchitectures. +JH/16 Fix string representation of time values on 64bit time_t architectures. Bug 1561. JH/17 Fix a null-indirection in certextract expansions when a nondefault @@ -585,7 +618,7 @@ TL/01 Bugzilla 1506: Re-add a 'return NULL' to silence complaints from static return. JH/01 Bug 1513: Fix parsing of quoted parameter values in MIME headers. - This was a regression intruduced in 4.83 by another bugfix. + This was a regression introduced in 4.83 by another bugfix. JH/02 Fix broken compilation when EXPERIMENTAL_DSN is enabled. @@ -916,7 +949,7 @@ JH/14 SMTP PRDR (http://www.eric-a-hall.com/specs/draft-hall-prdr-00.txt). advertises the facility. If the client requests PRDR a new acl_data_smtp_prdr ACL is called once for each recipient, after the body content is received and before the acl_smtp_data ACL. - The client is controlled by bolth of: a hosts_try_prdr option + The client is controlled by both of: a hosts_try_prdr option on the smtp transport, and the server advertisement. Default client logging of deliveries and rejections involving PRDR are flagged with the string "PRDR". @@ -944,7 +977,7 @@ PP/20 Added force_command boolean option to pipe transport. JH/15 AUTH support on callouts (and hence cutthrough-deliveries). Bugzilla 321, 823. -TF/04 Added udpsend ACL modifer and hexquote expansion operator +TF/04 Added udpsend ACL modifier and hexquote expansion operator PP/21 Fix eximon continuous updating with timestamped log-files. Broken in a format-string cleanup in 4.80, missed when I repaired the @@ -1088,7 +1121,7 @@ PP/15 LDAP: Check for errors of TLS initialisation, to give correct diagnostics. Report and patch from Dmitry Banschikov. -PP/16 Removed "dont_insert_empty_fragments" fron "openssl_options". +PP/16 Removed "dont_insert_empty_fragments" from "openssl_options". Removed SSL_clear() after SSL_new() which led to protocol negotiation failures. We appear to now support TLS1.1+ with Exim. @@ -1218,7 +1251,7 @@ TF/04 Improved ratelimit ACL condition. has clearer semantics. The /leaky, /strict, and /readonly update modes are mutually exclusive. The update mode is no longer included in the database key; it just determines when the database is updated. (This - means that when you upgrde Exim will forget old rate measurements.) + means that when you upgrade Exim will forget old rate measurements.) Exim now checks that the per_* options are used with an update mode that makes sense for the current ACL. For example, when Exim is processing a @@ -1353,7 +1386,7 @@ PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to Exim version 4.75 ----------------- -NM/01 Workround for PCRE version dependency in version reporting +NM/01 Workaround for PCRE version dependency in version reporting Bugzilla 1073 TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0. @@ -1423,7 +1456,7 @@ NM/05 Fix to spam.c to accommodate older gcc versions which dislike variable declaration deep within a block. Bug and patch from Dennis Davis. -PP/15 lookups-Makefile IRIX compatibilty coercion. +PP/15 lookups-Makefile IRIX compatibility coercion. PP/16 Make DISABLE_DKIM build knob functional. @@ -1848,7 +1881,7 @@ PH/02 When an IPv6 address is converted to a string for single-key lookup colons if the lookup type is iplsearch. This is not incompatible, because previously such lookups could never work. - The situation is now rather anomolous, since one *can* have colons in + The situation is now rather anomalous, since one *can* have colons in ordinary lsearch keys. However, making the change in all cases is incompatible and would probably break a number of configurations. @@ -2018,7 +2051,7 @@ PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender PH/20 Added hosts_avoid_pipelining to the smtp transport. PH/21 Long custom messages for fakedefer and fakereject are now split up - into multiline reponses in the same way that messages for "deny" and + into multiline responses in the same way that messages for "deny" and other ACL rejections are. PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep, @@ -2425,7 +2458,7 @@ PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue runs only) independently of the message's sender address. This meant that, if the 4xx error was in fact related to the sender, a different message to the same recipient with a different sender could confuse - things. In particualar, this can happen when sending to a greylisting + things. In particular, this can happen when sending to a greylisting server, but other circumstances could also provoke similar problems. I have changed the default so that the retry time for these errors is now based a combination of the sender and recipient addresses. This change @@ -2494,7 +2527,7 @@ SC/08 Eximstats V1.50 JJ/03 exipick.20061117.2, made header handling as similar to exim as possible (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed - whitesspace changes from 4.64-PH/27 + whitespace changes from 4.64-PH/27 JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to match 4.64-PH/13 @@ -2816,7 +2849,7 @@ PH/14 When a uid/gid is specified for the queryprogram router, it cannot be (a) Failures to set uid/gid, the current directory, or a process leader in a subprocess such as that created by queryprogram now generate - suitable debugging ouput when -d is set. + suitable debugging output when -d is set. (b) The queryprogram router detects when it is not running as root, outputs suitable debugging information if -d is set, and then runs @@ -3176,7 +3209,7 @@ PH/09 Applied a patch from the Sieve maintainer which: and most important: o fixes a bug in processing the envelope test (when testing - multiple envelope elements, the last element determinted the + multiple envelope elements, the last element determined the result) PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to @@ -3185,7 +3218,7 @@ PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to Auto-submitted: auto-generated in the messages that it generates (bounce messages and others, such as - warnings). In the case of bounce messages for non-SMTP mesages, there was + warnings). In the case of bounce messages for non-SMTP messages, there was also a typo: it was using "Auto_submitted" (underscore instead of hyphen). Since every message generated by Exim is necessarily in response to another message, thes have all been changed to: @@ -3550,7 +3583,7 @@ TK/03 Merged latest SRS patch from Miles Wilton. PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts with the definition in sysexits.h (which is #included earlier). Fortunately, Exim does not actually use EX_OK. The code used to try to - preserve the sysexits.h value, by assumimg that macro definitions were + preserve the sysexits.h value, by assuming that macro definitions were scanned for macro replacements. I have been disabused of this notion, so now the code just undefines EX_OK before #including unistd.h. @@ -3570,7 +3603,7 @@ PH/07 Added "fullpostmaster" verify option, which does a check to SC/01 Eximstats: added -xls and the ability to specify output files (patch written by Frank Heydlauf). -SC/02 Eximstats: use FileHandles for outputing results. +SC/02 Eximstats: use FileHandles for outputting results. SC/03 Eximstats: allow any combination of xls, txt, and html output. @@ -5595,7 +5628,7 @@ Exim version 4.31 58. When a "warn" ACL statement has a log_message modifier, the message is remembered, and not repeated. This is to avoid a lot of repetition when a message has many recipients that cause the same warning to be written. - Howewer, Exim was preserving the list of already written lines for an + However, Exim was preserving the list of already written lines for an entire SMTP session, which doesn't seem right. The memory is now reset if a new message is started. @@ -5685,7 +5718,7 @@ Exim version 4.31 the list was checked. (An example that provoked this was putting <; in the middle of a list instead of at the start.) If this happened during a DATA ACL check, a -D file could be left lying around. This kind of configuration - error no longer causes Exim to die; instead it causes a defer errror. The + error no longer causes Exim to die; instead it causes a defer error. The incident is still logged to the main and panic logs. 74. Buglet left over from Exim 3 conversion. The message "too many messages @@ -5749,7 +5782,7 @@ Exim version 4.30 systems (e.g. Solaris), it also passes back the IP address string as the "host name". However, on others (e.g. Linux), it passes back an empty string. Exim wasn't checking for this, and was changing the host name to an - empty string, assuming it had been canonicized. + empty string, assuming it had been canonicalized. 5. Although rare, it is permitted to have more than one PTR record for a given IP address. I thought that gethostbyaddr() or getipnodebyaddr() always gave @@ -5801,7 +5834,7 @@ Exim version 4.30 13. The install script calls Exim with "-C /dev/null" in order to find the version number. If ALT_CONFIG_PREFIX was set, this caused an error message - to be output. Howeve, since Exim outputs its version number before the + to be output. However, since Exim outputs its version number before the error, it didn't break the script. It just looked ugly. I fixed this by always allowing "-C /dev/null" if the caller is root. @@ -5882,7 +5915,7 @@ Exim version 4.30 34. Testing for a connection timeout using "timeout_connect" in the retry rules did not work. The code looks as if it has *never* worked, though it appears - to have been documented since at least releast 1.62. I have made it work. + to have been documented since at least release 1.62. I have made it work. 35. The "timeout_DNS" error in retry rules, also documented since at least 1.62, also never worked. As it isn't clear exactly what this means, and @@ -6327,7 +6360,7 @@ Exim version 4.21 16. Check for letters, digits, hyphens, and dots in the names of dnslist domains, and warn by logging if others are found. -17. At least on BSD, alignment is not guarenteed for the array of ifreq's +17. At least on BSD, alignment is not guaranteed for the array of ifreq's returned from GIFCONF when Exim is trying to find the list of interfaces on a host. The code in os.c has been modified to copy each ifreq to an aligned structure in all cases. @@ -6361,7 +6394,7 @@ Exim version 4.21 24. Ignore Sendmail's -Ooption=value command line item. 25. When execve() failed while trying to run a command in a pipe transport, - Exim was returning EX_UNAVAILBLE (69) from the subprocess. However, this + Exim was returning EX_UNAVAILABLE (69) from the subprocess. However, this could be confused with a return value of 69 from the command itself. This has been changed to 127, the value the shell returns if it is asked to run a non-existent command. The wording for the related log line suggests a @@ -6474,7 +6507,7 @@ Exim version 4.21 47. Change 50 for 4.20 was a heap of junk. I don't know what I was thinking when I implemented it. It didn't allow for the fact that some option values - may legitimatetly be negative (e.g. size_addition), and it didn't even do + may legitimately be negative (e.g. size_addition), and it didn't even do the right test for positive values. 48. Domain names in DNS records are case-independent. Exim always looks them up