decrypt(
pack("H16",substr($encinput,$encidx,16))
);
}
$userinput=substr($userinput,0,$cmdlength);
$wasenc=1;
}
}
# ------------------------------------------------------------- Normal commands
# ------------------------------------------------------------------------ ping
if ($userinput =~ /^ping/) {
print $client "$perlvar{'lonHostID'}\n";
# ------------------------------------------------------------------------ pong
} elsif ($userinput =~ /^pong/) {
$reply=reply("ping",$hostid{$clientip});
print $client "$perlvar{'lonHostID'}:$reply\n";
# ------------------------------------------------------------------------ ekey
} elsif ($userinput =~ /^ekey/) {
my $buildkey=time.$$.int(rand 100000);
$buildkey=~tr/1-6/A-F/;
$buildkey=int(rand 100000).$buildkey.int(rand 100000);
my $key=$perlvar{'lonHostID'}.$hostid{$clientip};
$key=~tr/a-z/A-Z/;
$key=~tr/G-P/0-9/;
$key=~tr/Q-Z/0-9/;
$key=$key.$buildkey.$key.$buildkey.$key.$buildkey;
$key=substr($key,0,32);
my $cipherkey=pack("H32",$key);
$cipher=new IDEA $cipherkey;
print $client "$buildkey\n";
# ------------------------------------------------------------------------ load
} elsif ($userinput =~ /^load/) {
my $loadavg;
{
my $loadfile=IO::File->new('/proc/loadavg');
$loadavg=<$loadfile>;
}
$loadavg =~ s/\s.*//g;
my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'};
print $client "$loadpercent\n";
# ------------------------------------------------------------------------ auth
} elsif ($userinput =~ /^auth/) {
if ($wasenc==1) {
my ($cmd,$udom,$uname,$upass)=split(/:/,$userinput);
chomp($upass);
$upass=unescape($upass);
my $proname=propath($udom,$uname);
my $passfilename="$proname/passwd";
if (-e $passfilename) {
my $pf = IO::File->new($passfilename);
my $realpasswd=<$pf>;
chomp($realpasswd);
my ($howpwd,$contentpwd)=split(/:/,$realpasswd);
my $pwdcorrect=0;
if ($howpwd eq 'internal') {
$pwdcorrect=
(crypt($upass,$contentpwd) eq $contentpwd);
} elsif ($howpwd eq 'unix') {
$contentpwd=(getpwnam($uname))[1];
$pwdcorrect=
(crypt($upass,$contentpwd) eq $contentpwd);
} elsif ($howpwd eq 'krb4') {
$pwdcorrect=(
Authen::Krb4::get_pw_in_tkt($uname,"",
$contentpwd,'krbtgt',$contentpwd,1,
$upass) == 0);
}
if ($pwdcorrect) {
print $client "authorized\n";
} else {
print $client "non_authorized\n";
}
} else {
print $client "unknown_user\n";
}
} else {
print $client "refused\n";
}
# ---------------------------------------------------------------------- passwd
} elsif ($userinput =~ /^passwd/) {
if ($wasenc==1) {
my
($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput);
chomp($npass);
$upass=&unescape($upass);
$npass=&unescape($npass);
my $proname=propath($udom,$uname);
my $passfilename="$proname/passwd";
if (-e $passfilename) {
my $realpasswd;
{ my $pf = IO::File->new($passfilename);
$realpasswd=<$pf>; }
chomp($realpasswd);
my ($howpwd,$contentpwd)=split(/:/,$realpasswd);
if ($howpwd eq 'internal') {
if (crypt($upass,$contentpwd) eq $contentpwd) {
my $salt=time;
$salt=substr($salt,6,2);
my $ncpass=crypt($npass,$salt);
{ my $pf = IO::File->new(">$passfilename");
print $pf "internal:$ncpass\n"; }
print $client "ok\n";
} else {
print $client "non_authorized\n";
}
} else {
print $client "auth_mode_error\n";
}
} else {
print $client "unknown_user\n";
}
} else {
print $client "refused\n";
}
# -------------------------------------------------------------------- makeuser
} elsif ($userinput =~ /^makeuser/) {
if ($wasenc==1) {
my
($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput);
chomp($npass);
$npass=&unescape($npass);
my $proname=propath($udom,$uname);
my $passfilename="$proname/passwd";
if (-e $passfilename) {
print $client "already_exists\n";
} elsif ($udom ne $perlvar{'lonDefDomain'}) {
print $client "not_right_domain\n";
} else {
@fpparts=split(/\//,$proname);
$fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2];
$fperror='';
for ($i=3;$i<=$#fpparts;$i++) {
$fpnow.='/'.$fpparts[$i];
unless (-e $fpnow) {
unless (mkdir($fpnow,0777)) {
$fperror="error:$!\n";
}
}
}
unless ($fperror) {
if ($umode eq 'none') {
} elsif ($umode eq 'kerberos') {
{
my $pf = IO::File->new(">$passfilename");
print $pf "kerberos:$npass\n";
}
print $client "ok\n";
} elsif ($umode eq 'internal') {
my $salt=time;
$salt=substr($salt,6,2);
my $ncpass=crypt($npass,$salt);
{
my $pf = IO::File->new(">$passfilename");
print $pf "internal:$ncpass\n";
}
print $client "ok\n";
} elsif ($umode eq 'none') {
{
my $pf = IO::File->new(">$passfilename");
print $pf "none:\n";
}
print $client "ok\n";
} else {
print $client "auth_mode_error\n";
}
} else {
print $client "$fperror\n";
}
}
} else {
print $client "refused\n";
}
# ------------------------------------------------------------------------ home
} elsif ($userinput =~ /^home/) {
my ($cmd,$udom,$uname)=split(/:/,$userinput);
chomp($uname);
my $proname=propath($udom,$uname);
if (-e $proname) {
print $client "found\n";
} else {
print $client "not_found\n";
}
# ---------------------------------------------------------------------- update
} elsif ($userinput =~ /^update/) {
my ($cmd,$fname)=split(/:/,$userinput);
my $ownership=ishome($fname);
if ($ownership eq 'not_owner') {
if (-e $fname) {
my ($dev,$ino,$mode,$nlink,
$uid,$gid,$rdev,$size,
$atime,$mtime,$ctime,
$blksize,$blocks)=stat($fname);
$now=time;
$since=$now-$atime;
if ($since>$perlvar{'lonExpire'}) {
$reply=
reply("unsub:$fname","$hostid{$clientip}");
unlink("$fname");
} else {
my $transname="$fname.in.transfer";
my $remoteurl=
reply("sub:$fname","$hostid{$clientip}");
my $response;
{
my $ua=new LWP::UserAgent;
my $request=new HTTP::Request('GET',"$remoteurl");
$response=$ua->request($request,$transname);
}
if ($response->is_error()) {
unlink($transname);
my $message=$response->status_line;
&logthis(
"LWP GET: $message for $fname ($remoteurl)");
} else {
if ($remoteurl!~/\.meta$/) {
my $ua=new LWP::UserAgent;
my $mrequest=
new HTTP::Request('GET',$remoteurl.'.meta');
my $mresponse=
$ua->request($mrequest,$fname.'.meta');
if ($mresponse->is_error()) {
unlink($fname.'.meta');
}
}
rename($transname,$fname);
}
}
print $client "ok\n";
} else {
print $client "not_found\n";
}
} else {
print $client "rejected\n";
}
# ----------------------------------------------------------------- unsubscribe
} elsif ($userinput =~ /^unsub/) {
my ($cmd,$fname)=split(/:/,$userinput);
if (-e $fname) {
if (unlink("$fname.$hostid{$clientip}")) {
print $client "ok\n";
} else {
print $client "not_subscribed\n";
}
} else {
print $client "not_found\n";
}
# ------------------------------------------------------------------- subscribe
} elsif ($userinput =~ /^sub/) {
my ($cmd,$fname)=split(/:/,$userinput);
my $ownership=ishome($fname);
if ($ownership eq 'owner') {
if (-e $fname) {
if (-d $fname) {
print $client "directory\n";
} else {
$now=time;
{
my $sh;
if ($sh=
IO::File->new(">$fname.$hostid{$clientip}")) {
print $sh "$clientip:$now\n";
}
}
$fname=~s/\/home\/httpd\/html\/res/raw/;
$fname="http://$thisserver/".$fname;
print $client "$fname\n";
}
} else {
print $client "not_found\n";
}
} else {
print $client "rejected\n";
}
# ------------------------------------------------------------------------- log
} elsif ($userinput =~ /^log/) {
my ($cmd,$udom,$uname,$what)=split(/:/,$userinput);
chomp($what);
my $proname=propath($udom,$uname);
my $now=time;
{
my $hfh;
if ($hfh=IO::File->new(">>$proname/activity.log")) {
print $hfh "$now:$hostid{$clientip}:$what\n";
print $client "ok\n";
} else {
print $client "error:$!\n";
}
}
# ------------------------------------------------------------------------- put
} elsif ($userinput =~ /^put/) {
my ($cmd,$udom,$uname,$namespace,$what)
=split(/:/,$userinput);
$namespace=~s/\//\_/g;
$namespace=~s/\W//g;
if ($namespace ne 'roles') {
chomp($what);
my $proname=propath($udom,$uname);
my $now=time;
{
my $hfh;
if (
$hfh=IO::File->new(">>$proname/$namespace.hist")
) { print $hfh "P:$now:$what\n"; }
}
my @pairs=split(/\&/,$what);
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) {
foreach $pair (@pairs) {
($key,$value)=split(/=/,$pair);
$hash{$key}=$value;
}
if (untie(%hash)) {
print $client "ok\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
} else {
print $client "refused\n";
}
# -------------------------------------------------------------------- rolesput
} elsif ($userinput =~ /^rolesput/) {
if ($wasenc==1) {
my ($cmd,$exedom,$exeuser,$udom,$uname,$what)
=split(/:/,$userinput);
my $namespace='roles';
chomp($what);
my $proname=propath($udom,$uname);
my $now=time;
{
my $hfh;
if (
$hfh=IO::File->new(">>$proname/$namespace.hist")
) {
print $hfh "P:$now:$exedom:$exeuser:$what\n";
}
}
my @pairs=split(/\&/,$what);
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) {
foreach $pair (@pairs) {
($key,$value)=split(/=/,$pair);
$hash{$key}=$value;
}
if (untie(%hash)) {
print $client "ok\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
} else {
print $client "refused\n";
}
# ------------------------------------------------------------------------- get
} elsif ($userinput =~ /^get/) {
my ($cmd,$udom,$uname,$namespace,$what)
=split(/:/,$userinput);
$namespace=~s/\//\_/g;
$namespace=~s/\W//g;
chomp($what);
my @queries=split(/\&/,$what);
my $proname=propath($udom,$uname);
my $qresult='';
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) {
for ($i=0;$i<=$#queries;$i++) {
$qresult.="$hash{$queries[$i]}&";
}
if (untie(%hash)) {
$qresult=~s/\&$//;
print $client "$qresult\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
# ------------------------------------------------------------------------ eget
} elsif ($userinput =~ /^eget/) {
my ($cmd,$udom,$uname,$namespace,$what)
=split(/:/,$userinput);
$namespace=~s/\//\_/g;
$namespace=~s/\W//g;
chomp($what);
my @queries=split(/\&/,$what);
my $proname=propath($udom,$uname);
my $qresult='';
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) {
for ($i=0;$i<=$#queries;$i++) {
$qresult.="$hash{$queries[$i]}&";
}
if (untie(%hash)) {
$qresult=~s/\&$//;
if ($cipher) {
my $cmdlength=length($qresult);
$qresult.=" ";
my $encqresult='';
for
(my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
$encqresult.=
unpack("H16",
$cipher->encrypt(substr($qresult,$encidx,8)));
}
print $client "enc:$cmdlength:$encqresult\n";
} else {
print $client "error:no_key\n";
}
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
# ------------------------------------------------------------------------- del
} elsif ($userinput =~ /^del/) {
my ($cmd,$udom,$uname,$namespace,$what)
=split(/:/,$userinput);
$namespace=~s/\//\_/g;
$namespace=~s/\W//g;
chomp($what);
my $proname=propath($udom,$uname);
my $now=time;
{
my $hfh;
if (
$hfh=IO::File->new(">>$proname/$namespace.hist")
) { print $hfh "D:$now:$what\n"; }
}
my @keys=split(/\&/,$what);
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) {
foreach $key (@keys) {
delete($hash{$key});
}
if (untie(%hash)) {
print $client "ok\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
# ------------------------------------------------------------------------ keys
} elsif ($userinput =~ /^keys/) {
my ($cmd,$udom,$uname,$namespace)
=split(/:/,$userinput);
$namespace=~s/\//\_/g;
$namespace=~s/\W//g;
my $proname=propath($udom,$uname);
my $qresult='';
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) {
foreach $key (keys %hash) {
$qresult.="$key&";
}
if (untie(%hash)) {
$qresult=~s/\&$//;
print $client "$qresult\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
# ------------------------------------------------------------------------ dump
} elsif ($userinput =~ /^dump/) {
my ($cmd,$udom,$uname,$namespace)
=split(/:/,$userinput);
$namespace=~s/\//\_/g;
$namespace=~s/\W//g;
my $proname=propath($udom,$uname);
my $qresult='';
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) {
foreach $key (keys %hash) {
$qresult.="$key=$hash{$key}&";
}
if (untie(%hash)) {
$qresult=~s/\&$//;
print $client "$qresult\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
# ----------------------------------------------------------------------- store
} elsif ($userinput =~ /^store/) {
my ($cmd,$udom,$uname,$namespace,$rid,$what)
=split(/:/,$userinput);
$namespace=~s/\//\_/g;
$namespace=~s/\W//g;
if ($namespace ne 'roles') {
chomp($what);
my $proname=propath($udom,$uname);
my $now=time;
{
my $hfh;
if (
$hfh=IO::File->new(">>$proname/$namespace.hist")
) { print $hfh "P:$now:$rid:$what\n"; }
}
my @pairs=split(/\&/,$what);
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) {
my @previouskeys=split(/&/,$hash{"keys:$rid"});
my $key;
$hash{"version:$rid"}++;
my $version=$hash{"version:$rid"};
my $allkeys='';
foreach $pair (@pairs) {
($key,$value)=split(/=/,$pair);
$allkeys.=$key.':';
$hash{"$version:$rid:$key"}=$value;
}
$allkeys=~s/:$//;
$hash{"$version:keys:$rid"}=$allkeys;
if (untie(%hash)) {
print $client "ok\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
} else {
print $client "refused\n";
}
# --------------------------------------------------------------------- restore
} elsif ($userinput =~ /^restore/) {
my ($cmd,$udom,$uname,$namespace,$rid)
=split(/:/,$userinput);
$namespace=~s/\//\_/g;
$namespace=~s/\W//g;
chomp($rid);
my $proname=propath($udom,$uname);
my $qresult='';
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) {
my $version=$hash{"version:$rid"};
$qresult.="version=$version&";
my $scope;
for ($scope=1;$scope<=$version;$scope++) {
my $vkeys=$hash{"$scope:keys:$rid"};
my @keys=split(/:/,$vkeys);
my $key;
$qresult.="$scope:keys=$vkeys&";
foreach $key (@keys) {
$qresult.="$scope:$key=".$hash{"$scope:$rid:$key"}."&";
}
}
if (untie(%hash)) {
$qresult=~s/\&$//;
print $client "$qresult\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
# ------------------------------------------------------------------- querysend
} elsif ($userinput =~ /^querysend/) {
my ($cmd,$query)=split(/:/,$userinput);
$query=~s/\n*$//g;
print $client sqlreply("$hostid{$clientip}\&$query")."\n";
# ------------------------------------------------------------------ queryreply
} elsif ($userinput =~ /^queryreply/) {
my ($cmd,$id,$reply)=split(/:/,$userinput);
my $store;
my $execdir=$perlvar{'lonDaemons'};
if ($store=IO::File->new(">$execdir/tmp/$id")) {
print $store $reply;
close $store;
print $client "ok\n";
}
else {
print $client "error:$!\n";
}
# ----------------------------------------------------------------------- idput
} elsif ($userinput =~ /^idput/) {
my ($cmd,$udom,$what)=split(/:/,$userinput);
chomp($what);
$udom=~s/\W//g;
my $proname="$perlvar{'lonUsersDir'}/$udom/ids";
my $now=time;
{
my $hfh;
if (
$hfh=IO::File->new(">>$proname.hist")
) { print $hfh "P:$now:$what\n"; }
}
my @pairs=split(/\&/,$what);
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT,0640)) {
foreach $pair (@pairs) {
($key,$value)=split(/=/,$pair);
$hash{$key}=$value;
}
if (untie(%hash)) {
print $client "ok\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
# ----------------------------------------------------------------------- idget
} elsif ($userinput =~ /^idget/) {
my ($cmd,$udom,$what)=split(/:/,$userinput);
chomp($what);
$udom=~s/\W//g;
my $proname="$perlvar{'lonUsersDir'}/$udom/ids";
my @queries=split(/\&/,$what);
my $qresult='';
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER,0640)) {
for ($i=0;$i<=$#queries;$i++) {
$qresult.="$hash{$queries[$i]}&";
}
if (untie(%hash)) {
$qresult=~s/\&$//;
print $client "$qresult\n";
} else {
print $client "error:$!\n";
}
} else {
print $client "error:$!\n";
}
# ---------------------------------------------------------------------- tmpput
} elsif ($userinput =~ /^tmpput/) {
my ($cmd,$what)=split(/:/,$userinput);
my $store;
$tmpsnum++;
my $id=$$.'_'.$clientip.'_'.$tmpsnum;
$id=~s/\W/\_/g;
$what=~s/\n//g;
my $execdir=$perlvar{'lonDaemons'};
if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) {
print $store $what;
close $store;
print $client "$id\n";
}
else {
print $client "error:$!\n";
}
# ---------------------------------------------------------------------- tmpget
} elsif ($userinput =~ /^tmpget/) {
my ($cmd,$id)=split(/:/,$userinput);
chomp($id);
$id=~s/\W/\_/g;
my $store;
my $execdir=$perlvar{'lonDaemons'};
if ($store=IO::File->new("$execdir/tmp/$id.tmp")) {
my $reply=<$store>;
print $client "$reply\n";
close $store;
}
else {
print $client "error:$!\n";
}
# -------------------------------------------------------------------------- ls
} elsif ($userinput =~ /^ls/) {
my ($cmd,$ulsdir)=split(/:/,$userinput);
my $ulsout='';
my $ulsfn;
if (-e $ulsdir) {
while ($ulsfn=<$ulsdir/*>) {
my @ulsstats=stat($ulsfn);
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
}
} else {
$ulsout='no_such_dir';
}
if ($ulsout eq '') { $ulsout='empty'; }
print $client "$ulsout\n";
# ------------------------------------------------------------- unknown command
} else {
# unknown command
print $client "unknown_cmd\n";
}
# ------------------------------------------------------ client unknown, refuse
}
} else {
print $client "refused\n";
&logthis("WARNING: "
."Rejected client $clientip, closing connection");
}
&logthis("CRITICAL: "
."Disconnect from $clientip ($hostid{$clientip})");
# =============================================================================
}
# tidy up gracefully and finish
# this exit is VERY important, otherwise the child will become
# a producer of more and more children, forking yourself into
# process death.
exit;
}
}
500 Internal Server Error
Internal Server Error
The server encountered an internal error or
misconfiguration and was unable to complete
your request.
Please contact the server administrator at
root@localhost to inform them of the time this error occurred,
and the actions you performed just before this error.
More information about this error may be available
in the server error log.