** New operation mode: proxy

** Command line option precedence

Command line options take precedence over configuration file
statements.

** elif statement

A familiar `elif' statement is supported, e.g.:

if condition-1
  action-list-1
elif condition-2
  action-list-2
elif condition-3
  action-list-3
else
  action-list-4
fi
  
** New CONTROL statement esmtp-auth-delayed.

When set to `yes', this statement instructs Anubis to postpone ESMTP
authentication until MAIL command is issued by the client.  This
allows to change authentication credentials in the SMTP section (see
below).

** SMTP section

The new section "SMTP" is invoked each time an SMTP command
is received. This section may alter the command's argument, using the
"modify command", e.g.:

BEGIN SMTP
regex :extended
modify command [ehlo] "foo.bar.net"
if command ["mail from:"] "<(.*)>(.*)"
  modify command ["mail from:"] "<root@bar.net>\2"
fi
END

It is also allowed to use esmtp-* keywords in this section, provided
that `esmtp-auth-delayed yes' is set in the CONTROL section. Changes
in the ESMTP authentication credentials take effect if they occur
either before receiving MAIL command from the client, or when handling
this command, e.g.:

BEGIN SMTP
if command ["mail from:"] "<smith(\+.*)?@@example.net>"
  esmtp-auth-id smith
  esmtp-password guessme
else
  esmtp-auth no
fi
END

** New keywords: log-facility and log-tag

** Guile output

By default Scheme's standard error and output ports are redirected to
syslog, using priorities `err' and `warning' correspondingly.

** MySQL options file

When using MySQL for Anubis user database, the database parameters and
access credentials are read from the file /etc/my.cnf, section
"anubis".  Additionally, two URL parameters are provided:
"options-file", which sets the name of the options file, and
"options-group", which sets the name of the group.

* Fix threshold calculation in the cleaner module.
* Refuse to start if another copy is already running.

* New command line option --init (-i)

* New format flags: down=N, child=S, sibling=S

* New guile primitives:

- (grecs-node-ident-locus node [full])

Returns the location of the node's identifier.  See below for the meaning
of [full].

- (grecs-node-value-locus node [full])

Returns the location of the node's value.

* Full vs. simplified locations.

There are two flavors of source locations: simplified and full ones.  A
simplified location consists of a file name and line number.  When returned
from a Guile primitive, they are packed in a cons.  A simplified location
shows an approximate location of the object in the configuration file.

A full location provides the exact location of the object.  It consists of
a pair of triplets, which mark the beginning and end of the object.  Each
triplet consists of a file name, line number and column number.  When 
returned from a Guile primitive, each triplet is represented as a list of 
three elements and both triplets are packed in a cons, the start location 
being its car, and the end location being its cdr.

The three functions that return node locations, grecs-node-locus,
grecs-node-ident-locus and grecs-node-value-locus, return simplified
locations by default.  If #t is supplied as the optional second
argument, these functions return full locations.

* Fix CVE-2015-1197
* Fix CVE-2016-2037
* Fix CVE-2019-14866

* Fix compilation with gcc 10

* Restore po files

* The path statement can refer to a regular file.

Prior versions of direvent required the argument to the "path"
statement to refer to an existing directory.  This requirement is now
lifted.  The pathname can refer to any type of file (not only a
directory).  Moreover, the file is not required to exist.  If it does
not exist, direvent will set up an auxiliary watcher (called a
"sentinel"), that will wake up upon creation of the file with that
pathname and will set up the configured watcher once it is created.

The process is reversed when the file referred to by the "path"
statement is deleted.  In that case, the configured watcher is
deactivated and a sentinel is set up which will bring it back when the
destination file or directory is created.

This mode of operation ensures that the configured watcher will always
be operational.

* Fix watcher removal on BSD-like systems.

* Configuration changes

** multiple environ statements

Multiple environ statements can be used within a single watcher block.
Such statements accumulate.

* Exponential backoff with jitter

If AWS responds with a RequestLimitExceeded code, eclat retries the
request using exponential backoff with jitter algorithm. The algorithm
is controlled by two values: max-retry-interval and total-retry-timeout.
When the RequestLimitExceeded error is returned, eclat will sleep for
2 seconds and then retry the request. For each subsequent
RequestLimitExceeded error, it will calculate the timeout using the
following formula:

   t = rand(0, min(M, 2 ** N)) + 1

where N is the attempt number, M is the value of max-retry-interval
parameter, 'rand(a,b)' selects the integer random number X such that
0 <= X <= b, and '**' denotes the power operator. The attempts to resend
the request will continue until either a response other than
RequestLimitExceeded is received (be it a response to the query or
another error response), or the total time spent in the retry loop
becomes equal to or greater than total-retry-timeout, whichever occurs
first.

* VPC Support

The following new commands provide full support for manipulating
the EC2 VPC objects:

 lsvpc	        describe-vpcs
 lsvpcattr      describe-vpc-attribute
 mkvpc          create-vpc
 setvpcattr     modify-vpc-attribute
 rmvpc          delete-vpc

* Route table support

The following new commands provide full support for manipulating
the EC2 Route Table objects:

 assocrtab      AssociateRouteTable
 mkrtab         CreateRouteTable
 rmrtab         DeleteRouteTable
 lsrtab         DescribeRouteTables
 disasrtab      DisassociateRouteTable

* Route support

The route subcommand allows you to add, delete and modify routes in
route tables.

** Create route:

 eclat route rtb-12345678 add CIDR gw ID

** Delete route:

 eclat route rtb-12345678 del CIDR

** ReplaceRoute

 eclat route rtb-12345678 repl CIDR gw ID
 
* Subnet support

The following new commands provide full support for manipulating
the EC2 Subnet objects:

 mksubnet       create-subnet 
 rmsubnet       delete-subnet
 lssubnet       describe-subnets
 setsubnetattr  modify-subnet-attribute

* Internet Gateway support
 
The following new commands provide full support for manipulating
the EC2 Internet Gateway objects:

 lsigw          describe-internet-gateways
 mkigw          create-internet-gateway
 rmigw          delete-internet-gateway
 atigw          attach-internet-gateway
 deigw          detach-internet-gateway

Initial release.

* Implement heartbeat event

* Add auxiliary program: ifactive

* Fix file descriptor leak

* The program is installed in /usr/bin

Prior versions went to /usr/sbin, you will need to remove them
manually.

* Print /etc/issue before the prompt
* Sleep after incorrect password is input
* New options: -i (--issue), -s (--sleep), -c (--clear)
* Add a manpage
* Improve error checking and reporting

* DKIM signing

The new function 'dkim_sign' is available in the 'eom' handler for
signing the current message using DKIM.  The typical use is

  prog eom
  do
    dkim_sign("example.org", "s2048", "/etc/pem/my-private.pem")
  done

* DKIM verification

The 'dkim_verify' function verifies the DKIM signature of the
message.  Example usage:

  require status
  prog eom
  do
    set result dkim_verify(current_message())
    if result == DKIM_VERIFY_OK
      # success
    elif result == DKIM_VERIFY_PERMFAIL
      # signature verification failed
    elif result == DKIM_VERIFY_TEMPFAIL
      # message not signed, the key is not available, or the like.
    fi
  done

* Functions header_delete_nth, header_replace_nth were removed

There's no reliable way to address Nth header in the message using the
Milter API.

* MFL changes

** Enumeration constants

Enumeration constants are defined using the following syntax:

[qualifier] const
do
  name1 [expr0]
  ...
  nameN [exprN]
done

expr0-exprN are optional expressions evaluating to constant numeric
values.  In the absence of exprN, the nameN gets defined to the value
of the previous enumeration item plus one.  expr0 default to 0.

For a detailed discussion, see the manual, section 4.8 "Constants".

* mail

** Changed syntax for addressing MIME message part

The familiar dot notation is used.  E.g. 1.2 extracts part 2
from multipart message 1.

** write command

The write (Write) command operates on message parts as well as on
messages.  Decoding is automatic.

* New utility: decodemail

This is a filter program that reads messages from the input mailbox,
decodes textual parts of each multipart message to plain text, and
stores the processed messages in the output mailbox.  Non-multipart
messages as well as message parts that cannot be decoded are
transferred to the output mailbox verbatim.  Optionally, textual parts
can be recoded from their original character set.

* readmsg

** MIME messages are decoded on output

** Improve searches

Requested patterns are searched in textual MIME parts as well.
Regular expression search is also supported.
New options --glob, --regex, and --ignorecase control the type of
search used.

* imap4d: implement TLS in inetd mode

* imap client code

** Fix handling of [TRYCREATE] and similar imap responses

* sieve: quoted strings may span several lines

This fixes the sieve parser to comply to RFC 5228.  Quoted strings may
span several lines and are allowed to contain special characters.
Backslash and double-quotes appearing within a quoted string must be
escaped by a backslash.  A backslash in front of any other character
is silently removed.

* Dropped support for Python 2.x

* Rewrite the AM_GNU_MAILUTILS macro to avoid using mailutils-config

* mda: restore the message-id-header configuration statement

* Changes to the libmailutils library

** New functions for MIME parsing and mime object creation:

int mu_mime_create_multipart (mu_mime_t *pmime, char const *subtype,
 		              mu_assoc_t param)
int mu_mime_sget_content_type (mu_mime_t mime, const char **value)
int mu_mime_aget_content_type (mu_mime_t mime, const **value)
int mu_mime_sget_content_subtype (mu_mime_t mime, const char **value)
int mu_mime_aget_content_subtype (mu_mime_t mime, const **value)
int mu_mime_content_type_get_param (mu_mime_t mime, char const *name,
				   const char **value);
int mu_mime_content_type_set_param (mu_mime_t mime, char const *name,
				    const char *value);

** New function for parsing the Content-Type header

int mu_content_type_parse_ext (const char *input, const char *charset,
			       int flags, mu_content_type_t *retct);

The "flags" parameter controls the parser error tolerance and the
amount of data to be returned.

** mu_mime_create_multipart: Signature changed

The function takes third argument: an assoc table of additional
content-type parameters:

int mu_mime_create_multipart (mu_mime_t *pmime, char const *subtype,
			      mu_assoc_t param);

** New function mu_stream_shift

int mu_stream_shift (mu_stream_t str, mu_off_t dst, mu_off_t src,
		     size_t bufsize);

Moves the data in stream "str" from offset "src" to "dst".  The "bufsize"
parameter specifies the size of transfer buffer.  If 0, the size is determined
automatically..

** New simplified interface to command line option parser

void mu_cli_simple (int argc, char **argv, ...);

Variadic arguments consist of key and optional value pairs, specifying
various additional parameters (e.g. array of allowed option definitions,
program docstring, etc).				    

** Reconstructing message envelope

int mu_message_reconstruct_envelope (mu_message_t msg, mu_envelope_t *penv);

Creates an envelope reconstructed from the headers of the message "msg".

** logstream: optional prefix

The prefix, if set, is output at the beginning of each line, after
the location and before the severity. It can be used to provide
additional information about the diagnostics, such as, e.g. the number
or UID of the message.

The prefix is controlled by the MU_LOGMODE_PREFIX ioctl subfunction.

** stream API: remove the readdelim method

The method is superfluous as the API itself provides the necessary
functionality.  Besides, it interacted poorly with positioning in
buffered streams.

** New string conversion function

 int mu_strtosize (char const *str, char **endp, size_t *ret_val);

** Temporary streams

This new stream type combines the functionality of memory and temporary
file streams.  A temporary stream works as memory stream for as long as
its size remains below a preconfigured threshold value.  Once the threshold
is reached, the stream storage is automatically converted to temporary file,
and all data written so far are transferred to the new storage.  If the
temporary file cannot be created, the stream continues to operate in
memory-based mode.

The stream is created using the following call:
   
    int mu_temp_stream_create (mu_stream_t *pstream, size_t threshold);

** The caller is allowed to free messages obtained from the mailbox

* Bugfixes

** Fix intermixed I/O in buffered streams

** Fix handling of INTR in the "mail" utility shell

** Fix compilation without libunistring

** Fix operation of associative arrays in case-insensitive mode

** Fix memory leaks

** Fix compilation with gcc 10

** smtp mailer: fix multiple open/close on the same mailer

** Fix list sort function

* Minor fixes in mysqlstat-setup
* Provide default values for NULL columns

* Add README, improve meta-data

First actual release.

* Add missing symbol

pam_innetgr lacked pam_sm_setcred

* New option --no-init

The --no-init option instructs pies not to switch to init mode if its
PID is 1.  Use this option if you run pies as a process manager in a
docker container.

* New component modes: startup and shutdown

Startup components are run right after pies startup. Any other
components start running only after last startup component has terminated.

Shutdown components are executed at program shutdown, after
all other components have been terminated.

Any number of startup or shutdwon components can be defined in the
configuration file. Such multiple components are run simultaneously,
unless required otherwise by their "prerequisites" and "dependents"
statements. 

* New component flag: shell

The 'shell' flag instructs pies to run the component via "/bin/sh -c
$command". Use it if the command should undergo variable expansion,
contains redirections, pipes, etc. E.g.

  component X {
    flags shell;
    command "if [ -n \"$X\" ]; then foo; else bar; fi"
  }

* Improved cyclic dependency diagnostics

* New 'env' statement

The 'env' statement has been re-implemented as a compound statement.
It can contain the following sub-statements:

** clear
Clears the environment

** keep NAME
Keeps the variable NAME when clearing the environment. Implies
"clear". NAME can be a globbing pattern, in which case all
variables matching the pattern are retained.

** set "NAME=VALUE"
Sets the environment variable for the component. VALUE is subject
to variable expansion.

** eval "VALUE"
Perform variable expansion on VALUE and discard the result (similar
to the shell ":" command). Useful for side effects, e.g.:

  eval ${HOME:=/home/t}

** unset NAME
Unsets the variable. NAME can be a globbing pattern, in which case all
variables matching the pattern are unset.

Example:

 env {
   clear;
   keep PATH;
   keep MANPATH;
   keep "LC_*";
   set "MANPATH=$MANPATH${MANPATH:+:}/usr/local/man";
 }

* Legacy 'env' statement.

Support for the old one-line syntax of "env" is retained for
backward compatibility.

Previous versions applied unnecessary word splitting if given a
single argument. This is now fixed, so that e.g. the following
statement is processed correctly and defines a single variable
X to have the value "foo bar":

  env "X=foo bar"

* New environment variable available for commands started from return-code

Programs started via "exec" statement in the "return-code" block
obtain the PID of the master pies process in environment variable
PIES_MASTER_PID.

* Improved testsuite

* Configuration file raddb/config

The syslog statement takes an optional 4th argument specifying syslog
tag to use, e.g.:

    channel default {
	    syslog local1.info radiusd;
    };

* New attributes

** GNU-Server-Address

Holds IP address of the RADIUS server that recieved the
request. Notice, that the value of this attribute is "0.0.0.0" if
there are no `listen' statement in your `raddb/config'.
    
** GNU-Server-Port

Holds UDP port number of the RADIUS server that recieved the request.

* Automake function AM_GNU_RADIUS is provided, for checking if
GNU Radius is installed from configure.ac scripts.

* Guile support requires Gule version 1.8 or later.

* Bugfixes
** Pass NAS-IP-Address to mlc_stop_query	
	

* Include updated wordsplit version (v1.0-7-g6ccb9ad)
* Allow for multiple EOLs and comments after the preface statement.
* Bugfix in the testcase 20.

* Support SNMPv3
* Default SNMP version is 2c
* Use newer Grecs
* Drop unneeded dependencies
* Variable assignments in expressions
* Detection of SNMP counter overflows
* Comma operator
* Support for indexed MIBs

This feature allows you to use symbolic names instead of the fixed MIBs
for MIBs that are part of SNMP subtrees.  For example, to get number of
packets sent over eth0 into variable "out", you would do the following:

    table iftable IF-MIB::ifDescr;
    variable out "IF-MIB::ifOutUcastPkts.$iftable[eth1]";

The first statement converts the subtree into a "table" named "iftable".
The second statement references an entry in this table that has
the value "eth1".  For example, if the SNMP tree has the following MIB

    IF-MIB::ifDescr.10: eth0

then the expression "$iftable[eth]" yields "10"

* Assertion syntax changed.

The assertion statement takes a single argument, which must be a
string consisting of the following three parts:

   <oid: string> [!]<opcode>[/i] <value: string>

The <opcode> part can be either an arithmetical operator (=, <, <=, >,
>=), or any of the following string operators:

    eq          string equality
    ne          string inequality
    prefix      oid value must begin with <value>
    suffix      oid value must end with <value>
    glob        <value> is a glob(7) pattern that oid value must match
    
Each of these can be suffixed with "/i" to request case-insensitive comparison.

A "!" in front of opcode reverts its meaning.   

The <value> part must not include the type prefix.

* new module: ldap

* mailutils: Requires 2.99.98 or later

* Fix the use of --checkpoint without explicit --checkpoint-action

* Fix extraction with the -U option

See http://lists.gnu.org/archive/html/bug-tar/2019-01/msg00015.html,
for details

* Fix iconv usage on BSD-based systems

* Fix possible NULL dereference (savannah bug #55369)

* Improve the testsuite

Rewrite as a stand-alone snmpd agent.

* Automatic VCS detection.

* Don't descend into internal VCS directories during the scan.

* Support for Varnish versions 6.0.0 - 6.4.0

Support for earlier versions has been withdrawn.

* Dropped support for Varnish versions prior to 6.0

* Drop support for Varnish versions prior to 6.0

* Support for Varnish 6.3.1

* Support for Varnish 6.3.1

* Drop support for Varnish versions prior to 6.0.0.

* Timers removed

* Work over the bug in mailutils mailer implementation.

* Fix creation of spool source directories

* Requires Mailutils 3.4

* Bugfixes and organizational changes

* The "periodic" subcommand

The new subcommand "periodic" is responsible for maintaining the job database.
It finishes up pending glacier jobs, dowloading the results (both inventory
listings and requested files) and removes expired jobs. It should be run as a
cronjob.

* When run on an EC2 instance, credentials can be obtained from the EC2 metadata

* Directory validity is controlled using the LastInventoryDate field

* Verbose diagnostics

Verbose diagnostics is enabled by the -v,--verbose option.

* Shell selection

By default, the program is started using "/bin/sh -c".  Two options
are provided to alter this behavior:

 -s, --shell=SHELL
   Use SHELL to start the program.  Default is /bin/sh.
   
 -e, --exec
   In sentinel mode, run the command directly via exec(3), instead
   of via the shell.
   
* Syslog

In sentinel mode, the syslog facility and tag can be changed:

 --log-facility=F
   Use syslog facility F instead of the default "daemon".
   (equivalent environment variable - GENRC_LOG_FACILITY)
   
 --log-tag=S
   Use syslog tag S instead of the program name.
   (equivalent environment variable - GENRC_LOG_TAG)

* Runtime resource limits

The --limit (-l) option is provided to control the resource usage.
Its argument is a resource designator followed by the limit value
for that resource.  Resource designators are:

     c      Core file size (KB).
     d      Data size (KB).
     f      File size (KB).
     l      Locked-in-memory address space (KB).
     m      Resident set size (KB).
     n      Number of open files.
     p      Process priority (nice value), -20..20.
     s      Stack size (KB).
     t      CPU time (seconds).
     u      Number of subprocesses.
     v      Virtual memory size (KB).

	- Improve error reporting

	- Make sure constructor never croaks if on_error is set to 'return'
	  Improve diagnostics.

* Adopt the testsuite for systems with directory separator other than '/'.

Initial release.

* Remove expired services from the table.

A service is removed from the internal tables once the
`instance-state-ttl' timeout expires.  That means that the
`instanceState' variable will never have the value of
`expired(2)'.

* Hostproc interface

Hostproc is an SNMP agent that provides detailed information about
processes running on a host.  The agent features extensive aggregation
capabilities that allow the system administrator to obtain various
types of metric for a group of processes.  Stevedore is able to
communicate with hostproc and to define process groups for each
configured service.  That feature allows you to monitor memory and
CPU usage by each docker service.

For more info on hosproc, see http://puszcza.gnu.org.ua/software/hostproc.

* Fix the -k option.

Initial release.

* Use red-black trees to index the IP list.

* Fix compatibility with Varnish versions 6.1.x and 6.2.x.

* crontab: set proper ownership on created crontabs

* micrond

** ignore inotify events on backup and temporary files

** allow for user group crontabs owned by root

* Fix CPU usage computations.

* Remote management interface for process groups.

* Additional objects describing the system memory information.

* Improved documentation.