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|
# -*- perl -*-
#
# INetSim::Log - INetSim logging
#
# (c)2007-2019 Matthias Eckert, Thomas Hungenberg
#
#############################################################
package INetSim::Log;
use strict;
use warnings;
use Fcntl ':mode';
my $mainlogfilename;
my $sublogfilename;
my $debuglogfilename;
my $DEBUG = 0;
my $SID = undef;
sub init {
my $dummy = INetSim::Config::getConfigParameter("MainLogfileName");
$dummy =~ /\A(.*)\z/; # evil untaint!
$mainlogfilename = $1;
$dummy = INetSim::Config::getConfigParameter("SubLogfileName");
$dummy =~ /\A(.*)\z/; # evil untaint!
$sublogfilename = $1;
$dummy = INetSim::Config::getConfigParameter("DebugLogfileName");
$dummy =~ /\A(.*)\z/; # evil untaint!
$debuglogfilename = $1;
my $group = INetSim::Config::getConfigParameter("Default_RunAsGroup");
$group =~ /\A(.*)\z/; # evil untaint!
$group = $1;
# check if MainLogfile exists
if (! -f $mainlogfilename) {
# if not, create it
print STDOUT "Main logfile '$mainlogfilename' does not exist. Trying to create it...\n";
if (open (MLOG, ">$mainlogfilename")) {
print STDOUT "Main logfile '$mainlogfilename' successfully created.\n";
close MLOG;
chmod 0660, $mainlogfilename;
my $gid = getgrnam($group);
if (! defined $gid) {
INetSim::error_exit("Unable to get GID for group '$group'");
}
chown -1, $gid, $mainlogfilename;
}
else {
INetSim::error_exit("Unable to create main logfile '$mainlogfilename': $!");
}
}
else {
# check ownership and permissions
my ($dev, $inode, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat $mainlogfilename;
my $grpname = getgrgid $gid;
# check group owner
if ($grpname ne $group) {
INetSim::error_exit("Group owner of main logfile '$mainlogfilename' is not '$group' but '$grpname'");
}
# check for group r/w permissions
if ((($mode & 0060) >> 3) != 6) {
INetSim::error_exit("No group r/w permissions on main logfile '$mainlogfilename'");
}
}
# check if SubLogfile exists
if (! -f $sublogfilename) {
# if not, create it
print STDOUT "Sub logfile '$sublogfilename' does not exist. Trying to create it...\n";
if (open (MLOG, ">$sublogfilename")) {
print STDOUT "Sub logfile '$sublogfilename' successfully created.\n";
close MLOG;
chmod 0660, $sublogfilename;
my $gid = getgrnam($group);
if (! defined $gid) {
INetSim::error_exit("Unable to get GID for group '$group'");
}
chown -1, $gid, $sublogfilename;
}
else {
INetSim::error_exit("Unable to create sub logfile '$sublogfilename': $!");
}
}
else {
# check ownership and permissions
my ($dev, $inode, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat $sublogfilename;
my $grpname = getgrgid $gid;
# check group owner
if ($grpname ne $group) {
INetSim::error_exit("Group owner of sub logfile '$sublogfilename' is not '$group' but '$grpname'");
}
# check for group r/w permissions
if ((($mode & 0060) >> 3) != 6) {
INetSim::error_exit("No group r/w permissions on sub logfile '$sublogfilename'");
}
}
# check if DebugLogfile exists
if (! -f $debuglogfilename) {
# if not, create it
print STDOUT "Debug logfile '$debuglogfilename' does not exist. Trying to create it...\n";
if (open (MLOG, ">$debuglogfilename")) {
print STDOUT "Debug logfile '$debuglogfilename' successfully created.\n";
close MLOG;
chmod 0660, $debuglogfilename;
my $gid = getgrnam($group);
if (! defined $gid) {
INetSim::error_exit("Unable to get GID for group '$group'");
}
chown -1, $gid, $debuglogfilename;
}
else {
INetSim::error_exit("Unable to create debug logfile '$debuglogfilename': $!");
}
}
else {
# check ownership and permissions
my ($dev, $inode, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat $debuglogfilename;
my $grpname = getgrgid $gid;
# check group owner
if ($grpname ne $group) {
INetSim::error_exit("Group owner of debug logfile '$debuglogfilename' is not '$group' but '$grpname'");
}
# check for group r/w permissions
if ((($mode & 0060) >> 3) != 6) {
INetSim::error_exit("No group r/w permissions on debug logfile '$debuglogfilename'");
}
}
$DEBUG = INetSim::Config::getConfigParameter("Debug");
}
sub MainLog{
my $msg = shift || return 0;
my $service = shift || "main";
$msg =~ s/[\r\n]*\z//g;
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydat,$isdst) = localtime();
my $date = sprintf "%4d-%02d-%02d %02d:%02d:%02d", $year+1900,$mon+1,$mday,$hour,$min,$sec;
if (! open (MLOG, ">>$mainlogfilename")) {
INetSim::error_exit("Unable to open main logfile '$mainlogfilename': $!");
}
select MLOG;
$| = 1;
if ($service ne "main") {
print MLOG "[$date] * $service $msg\n";
$msg =~ s/failed\!/\033\[31\;1mfailed\!\033\[0m/;
print STDOUT " * $service - $msg\n";
}
else {
print MLOG "[$date] $msg\n";
$msg =~ s/failed\!/\033\[31\;1mfailed\!\033\[0m/;
print STDOUT "$msg\n";
}
close MLOG;
}
sub SubLog{
my ($msg, $service, $cpid) = @_;
($msg && $service && $cpid) or return;
$msg =~ s/[\r\n]*\z//g;
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydat,$isdst) = localtime(INetSim::FakeTime::get_faketime());
my $fakedate = sprintf "%4d-%02d-%02d %02d:%02d:%02d", $year+1900,$mon+1,$mday,$hour,$min,$sec;
if (! open (SLOG, ">>$sublogfilename")) {
INetSim::error_exit("Unable to open sub logfile '$sublogfilename': $!");
}
select SLOG;
$| = 1;
# replace non-printable characters with "."
$msg =~ s/([^\x20-\x7e])/\./g;
(!$SID) && ($SID = INetSim::Config::getConfigParameter("SessionID"));
print SLOG "[$fakedate] [$SID] [$service $cpid] $msg\n";
close SLOG;
}
sub DebugLog{
($DEBUG) or return;
my ($msg, $service, $cpid) = @_;
($msg && $service && $cpid) or return;
$msg =~ s/[\r\n]*\z//g;
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydat,$isdst) = localtime(INetSim::FakeTime::get_faketime());
my $fakedate = sprintf "%4d-%02d-%02d %02d:%02d:%02d", $year+1900,$mon+1,$mday,$hour,$min,$sec;
if (! open (DLOG, ">>$debuglogfilename")) {
INetSim::error_exit("Unable to open debug logfile '$debuglogfilename': $!");
}
select DLOG;
$| = 1;
# replace non-printable characters with "."
$msg =~ s/([^\x20-\x7e])/\./g;
(!$SID) && ($SID = INetSim::Config::getConfigParameter("SessionID"));
print DLOG "[$fakedate] [$SID] [$service $cpid] $msg\n";
close DLOG;
}
1;
#
|
