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# $Cambridge: exim/exim-src/src/exinext.src,v 1.5 2009/11/16 19:50:36 nm4 Exp $
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# Copyright (c) University of Cambridge, 1995 - 2007
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# See the file NOTICE for conditions of use and distribution.
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# Except when they appear in comments, the following placeholders in this
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# source are replaced when it is turned into a runnable script:
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# CONFIGURE_FILE_USE_NODE
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# A shell+perl script to fish out the next retry time for a given domain;
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# it first calls exim to find out which hosts are set up for that domain and
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# then fishes out the retry data for each one.
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# For testing the selection and formatting logic, and perhaps for use in
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# special cases, the script can have an argument -C <filename> to specify
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# the use of an alternate Exim configuration file. It may also have any number
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# of -D options to set macros that are passed to exim.
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if expr -- $1 : '\-' >/dev/null ; then
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while expr -- $1 : '\-' >/dev/null ; do
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if [ "$1" = "-C" ]; then
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elif expr -- $1 : '\-D' >/dev/null ; then
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eximmacdef="$eximmacdef $1"
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if expr -- $1 : '\-DEXIM_PATH=' >/dev/null ; then
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exim_path=`expr -- $1 : '\-DEXIM_PATH=\(.*\)'`
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# We need to save the script's argument because in the absence of -C we need to
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# use shell arguments for sorting out the configuration file name.
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# This is the normal case when no config file or macros are specified
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if [ "$config" = "" ]; then
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# See if this installation is using the esoteric "USE_NODE" feature of Exim,
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# in which it uses the host's name as a suffix for the configuration file name.
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if [ "CONFIGURE_FILE_USE_NODE" = "yes" ]; then
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hostsuffix=.`uname -n`
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# Now find the configuration file name. This has got complicated because
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# CONFIGURE_FILE may now be a list of files. The one that is used is the first
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# one that exists. Mimic the code in readconf.c by testing first for the
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# suffixed file in each case.
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set `awk -F: '{ for (i = 1; i <= NF; i++) print $i }' <<End
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while [ "$config" = "" -a $# -gt 0 ] ; do
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if [ -f "$1$hostsuffix" ] ; then
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config="$1$hostsuffix"
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elif [ -f "$1" ] ; then
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# Determine where the spool directory is. Search for an exim_path setting
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# in the configure file; otherwise use the bin directory. Call that version of
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# Exim to find the spool directory and the qualify domain. BEWARE: a tab
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# character is needed in the command below. It has had a nasty tendency to get
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# lost in the past. Use a variable to hold a space and a tab to keep the tab in
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if [ "$exim_path" = "" ]; then
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exim_path=`grep "^[$st]*exim_path" $config | sed "s/.*=[$st]*//"`
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if test "$exim_path" = ""; then exim_path=BIN_DIRECTORY/exim; fi
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spool_directory=`$exim_path $eximmacdef -C $config -bP spool_directory | sed 's/.*=[ ]*//'`
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qualify_domain=`$exim_path $eximmacdef -C $config -bP qualify_domain | sed 's/.*=[ ]*//'`
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# Now do the job. Perl uses $ so frequently that we don't want to have to
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# escape them all from the shell, so pass in shell variable values as
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# 16-May-1996 Fixed it to do better if routing fails to complete.
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# Improved the format of the output.
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# 10-Jun-1996 Complain if no argument given.
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# 02-Aug-1996 Lower case the domain.
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# 14-Jan-1999 Add subject to want list even if remote host found, so as to
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# pick up routing delays after temporary recipient errors.
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# Also add unqualified subject if it looks like a message id.
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# 01-Apr-2004 Add the -C feature for testing
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# 22-Dec-2005 Complete the -C feature (!)
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if [ "$argone" = "" ]; then
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echo "Usage: exinext <address>|<domain>|<local-part>"
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perl - $exim_path "$eximmacdef" $argone $spool_directory $qualify_domain $config <<'End'
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$eximmacdef = $ARGV[1];
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# If the subject doesn't contain an @ then construct an address
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# for the domain, and ensure that in both cases the domain is
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$address = ($subject =~ /^([^\@]*)\@([^\@]*)$/)?
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"$1\@\L$2\E" : "User\@\L$subject\E";
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# Run Exim to get a list of hosts for the given domain; for
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# each one construct the appropriate retry key.
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open(LIST, "$exim -C $config -v -bt $address |") ||
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die "can't run exim to route $address";
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push(@list, $_) if s/\s*host (\S+)\s+\[(.+)\].*/$1:$2/;
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print "$_\n" if /cannot be resolved/;
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# If there were no hosts, assume that what was given was a local
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# username, unless it contains an @, and construct a suitable retry
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# key for that. Also, if it looks like a message id, search for that
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# as well, so as to pick up message-specific retry data.
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if (scalar(@list) == 0)
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push(@list, $subject) if $subject =~ /^\w{6}-\w{6}-\w{2}$/;
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if ($subject !~ /\@/ && $subject !~ /\./)
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push(@list, "$subject\@$qualify");
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print "No remote hosts found for $subject\n";
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# Always search for the full address, even if hosts are found, in case
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# there is a routing delay caused by a temporary recipient error.
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push(@list, $subject);
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# Run exim_dumpdb to get out the retry data and pick off what we want
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open(DATA, "${exim}_dumpdb $spool retry |") ||
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die "can't run exim_dumpdb";
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for ($i = 0; $i <= $#list; $i++)
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if (/^\s*T:[^:\s]*:/)
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($key,$error,$error2,$text) = /^\s*T:(\S+)\s+(\S+)\s+(\S+)\s*(.*)$/;
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# Parsing the keys is a nightmare because of IPv6. The design of the
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# format for the keys is a complete shambles. All my fault (PH). But
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# I don't want to change it just for this purpose. If they key
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# contains more than 3 colons, we have an IPv6 address, because
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# an IPv6 address must contain at least two colons.
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# Deal with IPv4 addresses (3 colons or fewer)
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if ($key !~ /:([^:]*?:){3}/)
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($host,$ip,$port,$msgid) = $key =~
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/^([^:]*):([^:]*)(?::([^:]*)(?::(\S*)|)|)/;
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# Deal with IPv6 addresses; sorting out the colons is a complete
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# mess. We should be able to find the host name and IP address from
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# further in the message. That seems the easiest escape plan here. We
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# can use those to match the rest of the key.
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($host,$ip) = $text =~ /host\s(\S+)\s\[([^]]+)\]/;
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($port,$msgid) = $key =~
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/^$host:$ip(?::([^:]*)(?::(\S*)|)|)/;
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# This will probably be wrong...
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($host,$ip) = $key =~ /([^:]*):(.*)/;
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printf("Transport: %s [%s]", $host, $ip);
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print ":$port" if defined $port;
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print " $msgid" if defined $msgid;
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print " error $error: $text\n";
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($type,$domain,$error,$error2,$text) =
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/^\s*(\S):(\S+)\s+(\S+)\s+(\S+)\s*(.*)$/;
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$type = ($type eq 'R')? "Route: " :
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($type eq 'T')? "Transport: " : "";
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print "$type$domain error $error: $text\n";
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($first,$last,$next,$expired) =
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/^(\S+\s+\S+)\s+(\S+\s+\S+)\s+(\S+\s+\S+)\s*(\*?)/;
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print " first failed: $first\n";
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print " last tried: $last\n";
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print " next try at: $next\n";
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print " past final cutoff time\n" if $expired eq "*";
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print "No retry data found for $subject\n" if !$printed;
added
removed
.pc/32_exim4.dpatch/src/exinext.src
