Viewing file:  view_log.cgi (2.92 KB) -rwxr-xr-x
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#!/usr/bin/perl
# Show a log file
require './syslog-ng-lib.pl';
&ReadParse();
&foreign_require("proc", "proc-lib.pl");
# Work out the file
$conf = &get_config();
if ($in{'dest'}) {
# From a destination
@dests = &find("destination", $conf);
($dest) = grep { $_->{'value'} eq $in{'dest'} } @dests;
$dest || &error($text{'destination_egone'});
$file = &find_value("file", $dest->{'members'});
}
elsif ($in{'omod'}) {
# From another module
@others = &get_other_module_logs($in{'omod'});
($other) = grep { $_->{'mindex'} == $in{'oidx'} } @others;
if ($other->{'file'}) {
$file = $other->{'file'};
}
else {
$cmd = $other->{'cmd'};
}
}
print "Refresh: $config{'refresh'}\r\n"
if ($config{'refresh'});
&ui_print_header("<tt>".($file || $cmd)."</tt>", $text{'view_title'}, "");
$lines = $in{'lines'} ? int($in{'lines'}) : $config{'lines'};
$filter = $in{'filter'} ? quotemeta($in{'filter'}) : "";
&filter_form();
$| = 1;
print "<pre>";
local $tailcmd = $config{'tail_cmd'} || "tail -n LINES";
$tailcmd =~ s/LINES/$lines/g;
if ($filter ne "") {
# Are we supposed to filter anything? Then use grep.
local @cats;
if ($cmd) {
push(@cats, $cmd);
}
elsif ($config{'compressed'}) {
# All compressed versions
foreach $l (&all_log_files($file)) {
$c = &catter_command($l);
push(@cats, $c) if ($c);
}
}
else {
# Just the one log
@cats = ( "cat ".quotemeta($file) );
}
$cat = "(".join(" ; ", @cats).")";
$got = &foreign_call("proc", "safe_process_exec",
"$cat | grep -i $filter | $tailcmd",
0, 0, STDOUT, undef, 1, 0, undef, 1);
}
else {
# Not filtering .. so cat the most recent non-empty file
if ($cmd) {
# Getting output from a command
$fullcmd = $cmd." | ".$tailcmd;
}
elsif ($config{'compressed'}) {
# Find the first non-empty file, newest first
$catter = "cat ".quotemeta($file);
if (!-s $file) {
foreach $l (&all_log_files($file)) {
next if (!-s $l);
$c = &catter_command($l);
if ($c) {
$catter = $c;
last;
}
}
}
$fullcmd = $catter." | ".$tailcmd;
}
else {
# Just run tail on the file
$fullcmd = $tailcmd." ".quotemeta($file);
}
$got = &foreign_call("proc", "safe_process_exec",
$fullcmd, 0, 0, STDOUT, undef, 1, 0, undef, 1);
}
print "<i>$text{'view_empty'}</i>\n" if (!$got);
print "</pre>\n";
&filter_form();
&ui_print_footer("list_destinations.cgi", $text{'destinations_return'},
"", $text{'index_return'});
sub filter_form
{
print "<form action=view_log.cgi style='margin-left:1em'>\n";
print &ui_hidden("dest", $in{'dest'}),"\n";
print &ui_hidden("oidx", $in{'oidx'}),"\n";
print &ui_hidden("omod", $in{'omod'}),"\n";
print &text('view_header', &ui_textbox("lines", $lines, 3),
"<tt>".&html_escape($log->{'file'})."</tt>"),"\n";
print " \n";
print &text('view_filter', &ui_textbox("filter", $in{'filter'}, 25)),"\n";
print " \n";
print "<input type=submit value='$text{'view_refresh'}'></form>\n";
}
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