X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/e236f915d39e27c89ac6e9ef8dd6bdf38f164a6b..e3e281ccf9d8777d0df98ddd644720573e0343d1:/src/src/exigrep.src diff --git a/src/src/exigrep.src b/src/src/exigrep.src index b678c0584..2c414fd31 100644 --- a/src/src/exigrep.src +++ b/src/src/exigrep.src @@ -2,10 +2,14 @@ use warnings; use strict; -use Pod::Usage; BEGIN { pop @INC if $INC[-1] eq '.' }; -# Copyright (c) 2007-2015 University of Cambridge. +use Pod::Usage; +use Getopt::Long qw(:config no_ignore_case); +use File::Basename; + +# Copyright (c) 2007-2017 University of Cambridge. +# Copyright (c) The Exim Maintainers 2020 - 2021 # See the file NOTICE for conditions of use and distribution. # Except when they appear in comments, the following placeholders in this @@ -34,7 +38,6 @@ BEGIN { pop @INC if $INC[-1] eq '.' }; # Typical run time acceleration: 4 times -use Getopt::Std qw(getopts); use POSIX qw(mktime); @@ -42,103 +45,112 @@ use POSIX qw(mktime); # the number of seconds since the epoch. It handles optional timezone # information. -sub seconds { -my($year,$month,$day,$hour,$min,$sec,$tzs,$tzh,$tzm) = - $_[0] =~ /^(\d{4})-(\d\d)-(\d\d)\s(\d\d):(\d\d):(\d\d)(?>\s([+-])(\d\d)(\d\d))?/o; +sub seconds + { + my($year,$month,$day,$hour,$min,$sec,$tzs,$tzh,$tzm) = + $_[0] =~ /^(\d{4})-(\d\d)-(\d\d)\s(\d\d):(\d\d):(\d\d)(?:.\d+)?(?>\s([+-])(\d\d)(\d\d))?/o; -my $seconds = mktime $sec, $min, $hour, $day, $month - 1, $year - 1900; + my $seconds = mktime $sec, $min, $hour, $day, $month - 1, $year - 1900; -if (defined $tzs) - { - $seconds -= $tzh * 3600 + $tzm * 60 if $tzs eq "+"; - $seconds += $tzh * 3600 + $tzm * 60 if $tzs eq "-"; - } + if (defined $tzs) + { + $seconds -= $tzh * 3600 + $tzm * 60 if $tzs eq "+"; + $seconds += $tzh * 3600 + $tzm * 60 if $tzs eq "-"; + } -return $seconds; -} + return $seconds; + } # This subroutine processes a single line (in $_) from a log file. Program # defensively against short lines finding their way into the log. -my (%saved, %id_list, $pattern, $queue_time, $insensitive, $invert); +my (%saved, %id_list, $pattern); + +my $queue_time = -1; +my $insensitive = 1; +my $invert = 0; +my $related = 0; +my $use_pager = 1; +my $literal = 0; + # If using "related" option, have to track extra message IDs -my $related; my $related_re=''; my @Mids = (); -sub do_line { +sub do_line + { -# Convert syslog lines to mainlog format, as in eximstats. + # Convert syslog lines to mainlog format, as in eximstats. -if (!/^\d{4}-/o) { $_ =~ s/^.*? exim\b.*?: //o; } + if (!/^\d{4}-/o) { $_ =~ s/^.*? exim\b.*?: //o; } -return unless - my($date,$id) = /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d (?:[+-]\d{4} )?)(?:\[\d+\] )?(\w{6}\-\w{6}\-\w{2})?/o; + return unless + my($date,$id) = /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d(?:\.\d+)? (?:[+-]\d{4} )?)(?:\[\d+\] )?(\w{6}\-\w{6}\-\w{2})?/o; -# Handle the case when the log line belongs to a specific message. We save -# lines for specific messages until the message is complete. Then either print -# or discard. + # Handle the case when the log line belongs to a specific message. We save + # lines for specific messages until the message is complete. Then either print + # or discard. -if (defined $id) - { - $saved{$id} = '' unless defined($saved{$id}); + if (defined $id) + { + $saved{$id} = '' unless defined($saved{$id}); - # Save up the data for this message in case it becomes interesting later. + # Save up the data for this message in case it becomes interesting later. - $saved{$id} .= $_; + $saved{$id} .= $_; - # Are we interested in this id ? Short circuit if we already were interested. + # Are we interested in this id ? Short circuit if we already were interested. - if ($invert) - { - $id_list{$id} = 1 if (!defined($id_list{$id})); - $id_list{$id} = 0 if (($insensitive && /$pattern/io) || /$pattern/o); - } - else - { - if (defined $id_list{$id} || - ($insensitive && /$pattern/io) || /$pattern/o) + if ($invert) { - $id_list{$id} = 1; - get_related_ids($id) if $related; + $id_list{$id} = 1 if (!defined($id_list{$id})); + $id_list{$id} = 0 if (($insensitive && /$pattern/io) || /$pattern/o); } - elsif ($related && $related_re) + else { - grep_for_related($_, $id); + if (defined $id_list{$id} || + ($insensitive && /$pattern/io) || /$pattern/o) + { + $id_list{$id} = 1; + get_related_ids($id) if $related; + } + elsif ($related && $related_re) + { + grep_for_related($_, $id); + } } - } - # See if this is a completion for some message. If it is interesting, - # print it, but in any event, throw away what was saved. + # See if this is a completion for some message. If it is interesting, + # print it, but in any event, throw away what was saved. - if (index($_, 'Completed') != -1 || - index($_, 'SMTP data timeout') != -1 || - (index($_, 'rejected') != -1 && - /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d (?:[+-]\d{4} )?)(?:\[\d+\] )?\w{6}\-\w{6}\-\w{2} rejected/o)) - { - if ($queue_time != -1 && - $saved{$id} =~ /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d ([+-]\d{4} )?)/o) + if (index($_, 'Completed') != -1 || + index($_, 'SMTP data timeout') != -1 || + (index($_, 'rejected') != -1 && + /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d(?:\.\d+)? (?:[+-]\d{4} )?)(?:\[\d+\] )?\w{6}\-\w{6}\-\w{2} rejected/o)) { - my $old_sec = &seconds($1); - my $sec = &seconds($date); - $id_list{$id} = 0 if $id_list{$id} && $sec - $old_sec <= $queue_time; + if ($queue_time != -1 && + $saved{$id} =~ /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d ([+-]\d{4} )?)/o) + { + my $old_sec = &seconds($1); + my $sec = &seconds($date); + $id_list{$id} = 0 if $id_list{$id} && $sec - $old_sec <= $queue_time; + } + + print "$saved{$id}\n" if ($id_list{$id}); + delete $id_list{$id}; + delete $saved{$id}; } - - print "$saved{$id}\n" if ($id_list{$id}); - delete $id_list{$id}; - delete $saved{$id}; } - } -# Handle the case where the log line does not belong to a specific message. -# Print it if it is interesting. + # Handle the case where the log line does not belong to a specific message. + # Print it if it is interesting. -elsif ( ($invert && (($insensitive && !/$pattern/io) || !/$pattern/o)) || - (!$invert && (($insensitive && /$pattern/io) || /$pattern/o)) ) - { print "$_\n"; } -} + elsif ( ($invert && (($insensitive && !/$pattern/io) || !/$pattern/o)) || + (!$invert && (($insensitive && /$pattern/io) || /$pattern/o)) ) + { print "$_\n"; } + } # Rotated log files are frequently compressed and there are a variety of # formats it could be compressed with. Rather than use just one that is @@ -150,7 +162,8 @@ my $compressors = { gz => { cmd => 'zcat', args => '' }, bz2 => { cmd => 'bzcat', args => '' }, xz => { cmd => 'xzcat', args => '' }, - lzma => { cmd => 'lzma', args => '-dc' } + lzma => { cmd => 'lzma', args => '-dc' }, + zst => { cmd => 'zstdcat', args => '' }, }; my $csearch = 0; @@ -189,37 +202,63 @@ sub detect_compressor_capable return $cmdline; } -sub grep_for_related { +sub grep_for_related + { my ($line,$id) = @_; $id_list{$id} = 1 if $line =~ m/$related_re/; -} + } -sub get_related_ids { +sub get_related_ids + { my ($id) = @_; push @Mids, $id unless grep /\b$id\b/, @Mids; my $re = join '|', @Mids; $related_re = qr/$re/; -} + } # The main program. Extract the pattern and make sure any relevant characters # are quoted if the -l flag is given. The -t flag gives a time-on-queue value # which is an additional condition. The -M flag will also display "related" # loglines (msgid from matched lines is searched in following lines). -getopts('Ilvt:Mhm',\my %args); -$queue_time = $args{'t'}? $args{'t'} : -1; -$insensitive = $args{'I'}? 0 : 1; -$invert = $args{'v'}? 1 : 0; -$related = $args{'M'}? 1 : 0; - -pod2usage(-exit => 0, -verbose => 1) if $args{'h'}; -pod2usage(-exit => 0, -verbose => 2, -noperldoc => system('perldoc -V 2>/dev/null >/dev/null')) - if $args{'m'}; -pod2usage if not @ARGV; +GetOptions( + 'I|sensitive' => sub { $insensitive = 0 }, + 'l|literal' => \$literal, + 'M|related' => \$related, + 't|queue-time=i' => \$queue_time, + 'pager!' => \$use_pager, + 'v|invert' => \$invert, + 'h|help' => sub { pod2usage(-exit => 0, -verbose => 1) }, + 'm|man' => sub { + pod2usage( + -exit => 0, + -verbose => 2, + -noperldoc => system('perldoc -V 2>/dev/null >&2') + ); + }, + 'version' => sub { + print basename($0) . ": $0\n", + "build: EXIM_RELEASE_VERSIONEXIM_VARIANT_VERSION\n", + "perl(runtime): $]\n"; + exit 0; + }, +) and @ARGV or pod2usage; $pattern = shift @ARGV; -$pattern = quotemeta $pattern if $args{l}; +$pattern = quotemeta $pattern if $literal; +# Start a pager if output goes to a terminal +if (-t 1 and $use_pager) + { + # for perl >= v5.10.x: foreach ($ENV{PAGER}//(), 'less', 'more') + foreach (defined $ENV{PAGER} ? $ENV{PAGER} : (), 'less', 'more') + { + local $ENV{LESS} .= ' --no-init --quit-if-one-screen'; + open(my $pager, '|-', $_) or next; + select $pager; + last; + } + } # If file arguments are given, open each one and process according as it is # is compressed or not. @@ -280,43 +319,50 @@ given host, for example. If no file names are given on the command line, the standard input is read. -For known file extensions indicating compression (F<.gz>, F<.bz2>, F<.xz>, and F<.lzma>) -a suitable de-compressor is used, if available. +For known file extensions indicating compression (F<.gz>, F<.bz2>, F<.xz>, +F<.lzma>, and F<.zst>) a suitable de-compressor is used, if available. + +The output is sent through a pager if a terminal is connected to STDOUT. As +pager are considered: C<$ENV{PAGER}>, C, C. =head1 OPTIONS =over -=item B<-l> +=item B<-l>|B<--literal> This means 'literal', that is, treat all characters in the pattern as standing for themselves. Otherwise the pattern must be a Perl regular expression. The pattern match is case-insensitive. -=item B<-t> I +=item B<-t>|B<--queue-time> I Limit the output to messages that spent at least I in the queue. -=item B<-I> +=item B<-I>|B<--sensitive> Do a case sensitive search. -=item B<-v> +=item B<-v>|B<--invert> Invert the meaning of the search pattern. That is, print message log entries that are not related to that pattern. -=item B<-M> +=item B<-M>|B<--related> Search for related messages too. -=item B<-h> +=item B<--no-pager> + +Do not use a pager, even if STDOUT is connected to a terminal. + +=item B<-h>|B<--help> Print a short reference help. For more detailed help try L, -or C. +or C. -=item B<-m> +=item B<-m>|B<--man> Print this manual page of B.