--- loncom/lonnet/perl/lonnet.pm 2007/06/11 19:31:41 1.887
+++ loncom/lonnet/perl/lonnet.pm 2007/06/25 23:08:55 1.895
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.887 2007/06/11 19:31:41 albertel Exp $
+# $Id: lonnet.pm,v 1.895 2007/06/25 23:08:55 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -149,7 +149,7 @@ sub create_connection {
Type => SOCK_STREAM,
Timeout => 10);
return 0 if (!$client);
- print $client (join(':',$hostname,$lonid,&machine_ids($lonid))."\n");
+ print $client (join(':',$hostname,$lonid,&machine_ids($hostname))."\n");
my $result = <$client>;
chomp($result);
return 1 if ($result eq 'done');
@@ -214,6 +214,24 @@ sub reply {
# ----------------------------------------------------------- Send USR1 to lonc
sub reconlonc {
+ my ($lonid) = @_;
+ my $hostname = &hostname($lonid);
+ if ($lonid) {
+ my $peerfile="$perlvar{'lonSockDir'}/$hostname";
+ if ($hostname && -e $peerfile) {
+ &logthis("Trying to reconnect lonc for $lonid ($hostname)");
+ my $client=IO::Socket::UNIX->new(Peer => $peerfile,
+ Type => SOCK_STREAM,
+ Timeout => 10);
+ if ($client) {
+ print $client ("reset_retries\n");
+ my $answer=<$client>;
+ #reset just this one.
+ }
+ }
+ return;
+ }
+
&logthis("Trying to reconnect lonc");
my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
if (open(my $fh,"<$loncfile")) {
@@ -1378,7 +1396,7 @@ sub ssi {
my $request;
$form{'no_update_last_known'}=1;
-
+ &Apache::lonenc::check_encrypt(\$fn);
if (%form) {
$request=new HTTP::Request('POST',&absolute_url().$fn);
$request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));
@@ -3786,26 +3804,40 @@ sub customaccess {
$ucrs = &LONCAPA::clean_username($ucrs);
my $access=0;
foreach my $right (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) {
- my ($effect,$realm,$role)=split(/\:/,$right);
- if ($role) {
- if ($role ne $urole) { next; }
- }
- foreach my $scope (split(/\s*\,\s*/,$realm)) {
- my ($tdom,$tcrs,$tsec)=split(/\_/,$scope);
- if ($tdom) {
- if ($tdom ne $udom) { next; }
- }
- if ($tcrs) {
- if ($tcrs ne $ucrs) { next; }
- }
- if ($tsec) {
- if ($tsec ne $usec) { next; }
- }
- $access=($effect eq 'allow');
- last;
- }
- if ($realm eq '' && $role eq '') {
- $access=($effect eq 'allow');
+ my ($effect,$realm,$role,$type)=split(/\:/,$right);
+ if ($type eq 'user') {
+ foreach my $scope (split(/\s*\,\s*/,$realm)) {
+ my ($tdom,$tcrs)=split(/\_/,$scope);
+ if ($tdom) {
+ if ($tdom ne $env{'user.domain'}) { next; }
+ }
+ if ($tcrs) {
+ if ($tcrs ne $env{'user.name'}) { next; }
+ }
+ $access=($effect eq 'allow');
+ last;
+ }
+ } else {
+ if ($role) {
+ if ($role ne $urole) { next; }
+ }
+ foreach my $scope (split(/\s*\,\s*/,$realm)) {
+ my ($tdom,$tcrs,$tsec)=split(/\_/,$scope);
+ if ($tdom) {
+ if ($tdom ne $udom) { next; }
+ }
+ if ($tcrs) {
+ if ($tcrs ne $ucrs) { next; }
+ }
+ if ($tsec) {
+ if ($tsec ne $usec) { next; }
+ }
+ $access=($effect eq 'allow');
+ last;
+ }
+ if ($realm eq '' && $role eq '') {
+ $access=($effect eq 'allow');
+ }
}
}
return $access;
@@ -7600,14 +7632,11 @@ sub machine_ids {
my ($hostname) = @_;
$hostname ||= &hostname($perlvar{'lonHostID'});
my @ids;
- my %hostname = &all_hostnames();
- while( my($id, $name) = each(%hostname)) {
-# &logthis("-$id-$name-$hostname-");
- if ($hostname eq $name) {
- push(@ids,$id);
- }
+ my %name_to_host = &all_names();
+ if (ref($name_to_host{$hostname}) eq 'ARRAY') {
+ return @{ $name_to_host{$hostname} };
}
- return @ids;
+ return;
}
sub additional_machine_domains {
@@ -7835,6 +7864,7 @@ sub get_dns {
my %hostdom;
my %libserv;
my $loaded;
+ my %name_to_host;
sub parse_hosts_tab {
my ($file) = @_;
@@ -7846,6 +7876,7 @@ sub get_dns {
$name=~s/\s//g;
if ($id && $domain && $role && $name) {
$hostname{$id}=$name;
+ push(@{$name_to_host{$name}}, $id);
$hostdom{$id}=$domain;
if ($role eq 'library') { $libserv{$id}=$name; }
}
@@ -7855,6 +7886,7 @@ sub get_dns {
sub reset_hosts_info {
&reset_domain_info();
&reset_hosts_ip_info();
+ undef(%name_to_host);
undef(%hostname);
undef(%hostdom);
undef(%libserv);
@@ -7884,6 +7916,12 @@ sub get_dns {
return %hostname;
}
+ sub all_names {
+ &load_hosts_tab() if (!$loaded);
+
+ return %name_to_host;
+ }
+
sub is_library {
&load_hosts_tab() if (!$loaded);
@@ -7940,24 +7978,6 @@ sub get_dns {
my %name_to_ip;
my %lonid_to_ip;
- my %valid_ip;
- sub valid_ip {
- my ($ip) = @_;
- if (exists($iphost{$ip}) || exists($valid_ip{$ip})) {
- return 1;
- }
- my $name = gethostbyip($ip);
- my $lonid = &hostname($name);
- if (defined($lonid)) {
- $valid_ip{$ip} = $lonid;
- return 1;
- }
- my %iphosts = &get_iphost();
- if (ref($iphost{$ip})) {
- return 1;
- }
- }
-
sub get_hosts_from_ip {
my ($ip) = @_;
my %iphosts = &get_iphost();
@@ -7989,6 +8009,7 @@ sub get_dns {
sub get_iphost {
my ($ignore_cache) = @_;
+
if (!$ignore_cache) {
if (%iphost) {
return %iphost;
@@ -8002,27 +8023,43 @@ sub get_dns {
return %iphost;
}
}
- my %hostname = &all_hostnames();
- foreach my $id (keys(%hostname)) {
- my $name=&hostname($id);
+
+ # get yesterday's info for fallback
+ my %old_name_to_ip;
+ my ($ip_info,$cached)=
+ &Apache::lonnet::is_cached_new('iphost','iphost');
+ if ($cached) {
+ %old_name_to_ip = %{$ip_info->[1]};
+ }
+
+ my %name_to_host = &all_names();
+ foreach my $name (keys(%name_to_host)) {
my $ip;
if (!exists($name_to_ip{$name})) {
$ip = gethostbyname($name);
if (!$ip || length($ip) ne 4) {
- &logthis("Skipping host $id name $name no IP found");
- next;
+ if (defined($old_name_to_ip{$name})) {
+ $ip = $old_name_to_ip{$name};
+ &logthis("Can't find $name defaulting to old $ip");
+ } else {
+ &logthis("Name $name no IP found");
+ next;
+ }
+ } else {
+ $ip=inet_ntoa($ip);
}
- $ip=inet_ntoa($ip);
$name_to_ip{$name} = $ip;
} else {
$ip = $name_to_ip{$name};
}
- $lonid_to_ip{$id} = $ip;
- push(@{$iphost{$ip}},$id);
+ foreach my $id (@{ $name_to_host{$name} }) {
+ $lonid_to_ip{$id} = $ip;
+ }
+ push(@{$iphost{$ip}},@{$name_to_host{$name}});
}
&Apache::lonnet::do_cache_new('iphost','iphost',
[\%iphost,\%name_to_ip,\%lonid_to_ip],
- 24*60*60);
+ 48*60*60);
return %iphost;
}