version 1.1.1.1, 1999/10/13 17:48:51
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version 1.7, 2000/01/12 19:30:43
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Line 2
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# The LearningOnline Network |
# The LearningOnline Network |
# lond "LON Daemon" Server (port "LOND" 5663) |
# lond "LON Daemon" Server (port "LOND" 5663) |
# 5/26/99,6/4,6/10,6/11,6/14,6/15,6/26,6/28,6/30, |
# 5/26/99,6/4,6/10,6/11,6/14,6/15,6/26,6/28,6/30, |
# 7/8,7/9,7/10,7/12,7/17,7/19,9/21,10/7,10/8,10/9,10/11 Gerd Kortemeyer |
# 7/8,7/9,7/10,7/12,7/17,7/19,9/21, |
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# 10/7,10/8,10/9,10/11,10/13,10/15,11/4,11/16, |
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# 12/7,12/15,01/06,01/11,01/12 Gerd Kortemeyer |
# based on "Perl Cookbook" ISBN 1-56592-243-3 |
# based on "Perl Cookbook" ISBN 1-56592-243-3 |
# preforker - server who forks first |
# preforker - server who forks first |
# runs as a daemon |
# runs as a daemon |
Line 16 use Symbol;
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Line 18 use Symbol;
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use POSIX; |
use POSIX; |
use Crypt::IDEA; |
use Crypt::IDEA; |
use LWP::UserAgent(); |
use LWP::UserAgent(); |
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use GDBM_File; |
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use Authen::Krb4; |
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# ------------------------------------ Read httpd access.conf and get variables |
# ------------------------------------ Read httpd access.conf and get variables |
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Line 24 open (CONFIG,"/etc/httpd/conf/access.con
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Line 28 open (CONFIG,"/etc/httpd/conf/access.con
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while ($configline=<CONFIG>) { |
while ($configline=<CONFIG>) { |
if ($configline =~ /PerlSetVar/) { |
if ($configline =~ /PerlSetVar/) { |
my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
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chomp($varvalue); |
$perlvar{$varname}=$varvalue; |
$perlvar{$varname}=$varvalue; |
} |
} |
} |
} |
Line 253 sub make_new_child {
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Line 258 sub make_new_child {
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# ============================================================================= |
# ============================================================================= |
# do something with the connection |
# do something with the connection |
# ----------------------------------------------------------------------------- |
# ----------------------------------------------------------------------------- |
# see if we know client |
# see if we know client and check for spoof IP by challenge |
my $caller=getpeername($client); |
my $caller=getpeername($client); |
my ($port,$iaddr)=unpack_sockaddr_in($caller); |
my ($port,$iaddr)=unpack_sockaddr_in($caller); |
my $clientip=inet_ntoa($iaddr); |
my $clientip=inet_ntoa($iaddr); |
my $clientrec=($hostid{$clientip} ne undef); |
my $clientrec=($hostid{$clientip} ne undef); |
&logthis("Connect from $clientip ($hostid{$clientip})"); |
&logthis("Connect from $clientip ($hostid{$clientip})"); |
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my $clientok; |
if ($clientrec) { |
if ($clientrec) { |
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my $remotereq=<$client>; |
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$remotereq=~s/\W//g; |
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if ($remotereq eq 'init') { |
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my $challenge="$$".time; |
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print $client "$challenge\n"; |
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$remotereq=<$client>; |
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$remotereq=~s/\W//g; |
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if ($challenge eq $remotereq) { |
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$clientok=1; |
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print $client "ok\n"; |
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} else { |
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&logthis("$clientip did not reply challenge"); |
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} |
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} else { |
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&logthis("$clientip failed to initialize: >$remotereq<"); |
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} |
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} else { |
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&logthis("Unknown client $clientip"); |
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} |
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if ($clientok) { |
# ---------------- New known client connecting, could mean machine online again |
# ---------------- New known client connecting, could mean machine online again |
&reconlonc("$perlvar{'lonSockDir'}/$hostid{$clientip}"); |
&reconlonc("$perlvar{'lonSockDir'}/$hostid{$clientip}"); |
# ------------------------------------------------------------ Process requests |
# ------------------------------------------------------------ Process requests |
Line 324 sub make_new_child {
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Line 350 sub make_new_child {
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my $pf = IO::File->new($passfilename); |
my $pf = IO::File->new($passfilename); |
my $realpasswd=<$pf>; |
my $realpasswd=<$pf>; |
chomp($realpasswd); |
chomp($realpasswd); |
if ($realpasswd eq $upass ) { |
my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
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my $pwdcorrect=0; |
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if ($howpwd eq 'internal') { |
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$pwdcorrect= |
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(crypt($upass,$contentpwd) eq $contentpwd); |
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} elsif ($howpwd eq 'unix') { |
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$contentpwd=(getpwnam($uname))[1]; |
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$pwdcorrect= |
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(crypt($upass,$contentpwd) eq $contentpwd); |
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} elsif ($howpwd eq 'krb4') { |
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$pwdcorrect=( |
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Authen::Krb4::get_pw_in_tkt($uname,"", |
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$contentpwd,'krbtgt',$contentpwd,1, |
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$upass) == 0); |
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} |
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if ($pwdcorrect) { |
print $client "authorized\n"; |
print $client "authorized\n"; |
} else { |
} else { |
print $client "non_authorized\n"; |
print $client "non_authorized\n"; |
Line 348 sub make_new_child {
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Line 389 sub make_new_child {
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{ my $pf = IO::File->new($passfilename); |
{ my $pf = IO::File->new($passfilename); |
$realpasswd=<$pf>; } |
$realpasswd=<$pf>; } |
chomp($realpasswd); |
chomp($realpasswd); |
if ($realpasswd eq $upass ) { |
my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
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if ($howpwd eq 'internal') { |
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if (crypt($upass,$contentpwd) eq $contentpwd) { |
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my $salt=time; |
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$salt=substr($salt,6,2); |
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my $ncpass=crypt($npass,$salt); |
{ my $pf = IO::File->new(">$passfilename"); |
{ my $pf = IO::File->new(">$passfilename"); |
print $pf "$npass\n";; } |
print $pf "internal:$ncpass\n";; } |
print $client "ok\n"; |
print $client "ok\n"; |
} else { |
} else { |
print $client "non_authorized\n"; |
print $client "non_authorized\n"; |
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} |
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} else { |
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print $client "auth_mode_error\n"; |
} |
} |
} else { |
} else { |
print $client "unknown_user\n"; |
print $client "unknown_user\n"; |
Line 447 sub make_new_child {
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Line 496 sub make_new_child {
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} |
} |
# ------------------------------------------------------------------------- put |
# ------------------------------------------------------------------------- put |
} elsif ($userinput =~ /^put/) { |
} elsif ($userinput =~ /^put/) { |
my ($cmd,$udom,$uname,$namespace,$what) |
my ($cmd,$udom,$uname,$namespace,$what) |
=split(/:/,$userinput); |
=split(/:/,$userinput); |
$namespace=~s/\W//g; |
$namespace=~s/\W//g; |
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if ($namespace ne 'roles') { |
chomp($what); |
chomp($what); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $now=time; |
my $now=time; |
Line 460 sub make_new_child {
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Line 510 sub make_new_child {
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) { print $hfh "P:$now:$what\n"; } |
) { print $hfh "P:$now:$what\n"; } |
} |
} |
my @pairs=split(/\&/,$what); |
my @pairs=split(/\&/,$what); |
if (dbmopen(%hash,"$proname/$namespace.db",0644)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
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foreach $pair (@pairs) { |
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($key,$value)=split(/=/,$pair); |
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$hash{$key}=$value; |
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} |
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if (untie(%hash)) { |
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print $client "ok\n"; |
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} else { |
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print $client "error:$!\n"; |
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} |
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} else { |
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print $client "error:$!\n"; |
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} |
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} else { |
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print $client "refused\n"; |
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} |
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# -------------------------------------------------------------------- rolesput |
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} elsif ($userinput =~ /^rolesput/) { |
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if ($wasenc==1) { |
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my ($cmd,$exedom,$exeuser,$udom,$uname,$what) |
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=split(/:/,$userinput); |
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my $namespace='roles'; |
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chomp($what); |
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my $proname=propath($udom,$uname); |
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my $now=time; |
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{ |
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my $hfh; |
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if ( |
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$hfh=IO::File->new(">>$proname/$namespace.hist") |
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) { |
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print $hfh "P:$now:$exedom:$exeuser:$what\n"; |
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} |
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} |
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my @pairs=split(/\&/,$what); |
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if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
foreach $pair (@pairs) { |
foreach $pair (@pairs) { |
($key,$value)=split(/=/,$pair); |
($key,$value)=split(/=/,$pair); |
$hash{$key}=$value; |
$hash{$key}=$value; |
} |
} |
if (dbmclose(%hash)) { |
if (untie(%hash)) { |
print $client "ok\n"; |
print $client "ok\n"; |
} else { |
} else { |
print $client "error:$!\n"; |
print $client "error:$!\n"; |
Line 473 sub make_new_child {
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Line 557 sub make_new_child {
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} else { |
} else { |
print $client "error:$!\n"; |
print $client "error:$!\n"; |
} |
} |
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} else { |
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print $client "refused\n"; |
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} |
# ------------------------------------------------------------------------- get |
# ------------------------------------------------------------------------- get |
} elsif ($userinput =~ /^get/) { |
} elsif ($userinput =~ /^get/) { |
my ($cmd,$udom,$uname,$namespace,$what) |
my ($cmd,$udom,$uname,$namespace,$what) |
Line 482 sub make_new_child {
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Line 569 sub make_new_child {
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my @queries=split(/\&/,$what); |
my @queries=split(/\&/,$what); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (dbmopen(%hash,"$proname/$namespace.db",0644)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
for ($i=0;$i<=$#queries;$i++) { |
for ($i=0;$i<=$#queries;$i++) { |
$qresult.="$hash{$queries[$i]}&"; |
$qresult.="$hash{$queries[$i]}&"; |
} |
} |
if (dbmclose(%hash)) { |
if (untie(%hash)) { |
$qresult=~s/\&$//; |
$qresult=~s/\&$//; |
print $client "$qresult\n"; |
print $client "$qresult\n"; |
} else { |
} else { |
Line 504 sub make_new_child {
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Line 591 sub make_new_child {
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my @queries=split(/\&/,$what); |
my @queries=split(/\&/,$what); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (dbmopen(%hash,"$proname/$namespace.db",0644)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
for ($i=0;$i<=$#queries;$i++) { |
for ($i=0;$i<=$#queries;$i++) { |
$qresult.="$hash{$queries[$i]}&"; |
$qresult.="$hash{$queries[$i]}&"; |
} |
} |
if (dbmclose(%hash)) { |
if (untie(%hash)) { |
$qresult=~s/\&$//; |
$qresult=~s/\&$//; |
if ($cipher) { |
if ($cipher) { |
my $cmdlength=length($qresult); |
my $cmdlength=length($qresult); |
Line 545 sub make_new_child {
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Line 632 sub make_new_child {
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) { print $hfh "D:$now:$what\n"; } |
) { print $hfh "D:$now:$what\n"; } |
} |
} |
my @keys=split(/\&/,$what); |
my @keys=split(/\&/,$what); |
if (dbmopen(%hash,"$proname/$namespace.db",0644)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
foreach $key (@keys) { |
foreach $key (@keys) { |
delete($hash{$key}); |
delete($hash{$key}); |
} |
} |
if (dbmclose(%hash)) { |
if (untie(%hash)) { |
print $client "ok\n"; |
print $client "ok\n"; |
} else { |
} else { |
print $client "error:$!\n"; |
print $client "error:$!\n"; |
Line 565 sub make_new_child {
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Line 652 sub make_new_child {
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chomp($namespace); |
chomp($namespace); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (dbmopen(%hash,"$proname/$namespace.db",0644)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
foreach $key (keys %hash) { |
foreach $key (keys %hash) { |
$qresult.="$key&"; |
$qresult.="$key&"; |
} |
} |
if (dbmclose(%hash)) { |
if (untie(%hash)) { |
$qresult=~s/\&$//; |
$qresult=~s/\&$//; |
print $client "$qresult\n"; |
print $client "$qresult\n"; |
} else { |
} else { |
Line 586 sub make_new_child {
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Line 673 sub make_new_child {
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chomp($namespace); |
chomp($namespace); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (dbmopen(%hash,"$proname/$namespace.db",0644)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
foreach $key (keys %hash) { |
foreach $key (keys %hash) { |
$qresult.="$key=$hash{$key}&"; |
$qresult.="$key=$hash{$key}&"; |
} |
} |
if (dbmclose(%hash)) { |
if (untie(%hash)) { |
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$qresult=~s/\&$//; |
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print $client "$qresult\n"; |
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} else { |
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print $client "error:$!\n"; |
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} |
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} else { |
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print $client "error:$!\n"; |
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} |
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# ----------------------------------------------------------------------- store |
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} elsif ($userinput =~ /^store/) { |
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my ($cmd,$udom,$uname,$namespace,$rid,$what) |
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=split(/:/,$userinput); |
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$namespace=~s/\W//g; |
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if ($namespace ne 'roles') { |
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chomp($what); |
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my $proname=propath($udom,$uname); |
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my $now=time; |
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{ |
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my $hfh; |
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if ( |
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$hfh=IO::File->new(">>$proname/$namespace.hist") |
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) { print $hfh "P:$now:$rid:$what\n"; } |
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} |
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my @pairs=split(/\&/,$what); |
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|
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if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
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my @previouskeys=split(/&/,$hash{"keys:$rid"}); |
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my $key; |
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$hash{"version:$rid"}++; |
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my $version=$hash{"version:$rid"}; |
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my $allkeys=''; |
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foreach $pair (@pairs) { |
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($key,$value)=split(/=/,$pair); |
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$allkeys.=$key.':'; |
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$hash{"$version:$rid:$key"}=$value; |
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} |
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$allkeys=~s/:$//; |
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$hash{"$version:keys:$rid"}=$allkeys; |
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if (untie(%hash)) { |
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print $client "ok\n"; |
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} else { |
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print $client "error:$!\n"; |
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} |
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} else { |
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print $client "error:$!\n"; |
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} |
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} else { |
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print $client "refused\n"; |
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} |
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# --------------------------------------------------------------------- restore |
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} elsif ($userinput =~ /^restore/) { |
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my ($cmd,$udom,$uname,$namespace,$rid) |
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=split(/:/,$userinput); |
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$namespace=~s/\W//g; |
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chomp($rid); |
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my $proname=propath($udom,$uname); |
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my $qresult=''; |
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if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
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my $version=$hash{"version:$rid"}; |
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$qresult.="version=$version&"; |
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my $scope; |
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for ($scope=1;$scope<=$version;$scope++) { |
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my $vkeys=$hash{"$scope:keys:$rid"}; |
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my @keys=split(/:/,$vkeys); |
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my $key; |
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$qresult.="$scope:keys=$vkeys&"; |
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foreach $key (@keys) { |
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$qresult.="$version:$key=".$hash{"$scope:$rid:$key"}."&"; |
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} |
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} |
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if (untie(%hash)) { |
$qresult=~s/\&$//; |
$qresult=~s/\&$//; |
print $client "$qresult\n"; |
print $client "$qresult\n"; |
} else { |
} else { |
Line 613 sub make_new_child {
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Line 771 sub make_new_child {
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) { print $hfh "P:$now:$what\n"; } |
) { print $hfh "P:$now:$what\n"; } |
} |
} |
my @pairs=split(/\&/,$what); |
my @pairs=split(/\&/,$what); |
if (dbmopen(%hash,"$proname.db",0644)) { |
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT,0640)) { |
foreach $pair (@pairs) { |
foreach $pair (@pairs) { |
($key,$value)=split(/=/,$pair); |
($key,$value)=split(/=/,$pair); |
$hash{$key}=$value; |
$hash{$key}=$value; |
} |
} |
if (dbmclose(%hash)) { |
if (untie(%hash)) { |
print $client "ok\n"; |
print $client "ok\n"; |
} else { |
} else { |
print $client "error:$!\n"; |
print $client "error:$!\n"; |
Line 634 sub make_new_child {
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Line 792 sub make_new_child {
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my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; |
my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; |
my @queries=split(/\&/,$what); |
my @queries=split(/\&/,$what); |
my $qresult=''; |
my $qresult=''; |
if (dbmopen(%hash,"$proname.db",0644)) { |
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT,0640)) { |
for ($i=0;$i<=$#queries;$i++) { |
for ($i=0;$i<=$#queries;$i++) { |
$qresult.="$hash{$queries[$i]}&"; |
$qresult.="$hash{$queries[$i]}&"; |
} |
} |
if (dbmclose(%hash)) { |
if (untie(%hash)) { |
$qresult=~s/\&$//; |
$qresult=~s/\&$//; |
print $client "$qresult\n"; |
print $client "$qresult\n"; |
} else { |
} else { |
Line 647 sub make_new_child {
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Line 805 sub make_new_child {
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} else { |
} else { |
print $client "error:$!\n"; |
print $client "error:$!\n"; |
} |
} |
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# -------------------------------------------------------------------------- ls |
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} elsif ($userinput =~ /^ls/) { |
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my ($cmd,$ulsdir)=split(/:/,$userinput); |
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my $ulsout=''; |
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my $ulsfn; |
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if (-e $ulsdir) { |
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while ($ulsfn=<$ulsdir/*>) { |
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my @ulsstats=stat($ulsfn); |
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$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; |
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} |
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} else { |
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$ulsout='no_such_dir'; |
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} |
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print $client "$ulsout\n"; |
# ------------------------------------------------------------- unknown command |
# ------------------------------------------------------------- unknown command |
} else { |
} else { |
# unknown command |
# unknown command |
Line 656 sub make_new_child {
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Line 828 sub make_new_child {
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} |
} |
} else { |
} else { |
print $client "refused\n"; |
print $client "refused\n"; |
&logthis("Unknown client $clientip, closing connection"); |
&logthis("Rejected client $clientip, closing connection"); |
} |
} |
&logthis("Disconnect from $clientip ($hostid{$clientip})"); |
&logthis("Disconnect from $clientip ($hostid{$clientip})"); |
# ============================================================================= |
# ============================================================================= |