version 1.488, 2012/04/11 01:07:18
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version 1.497, 2012/10/05 15:19:18
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Line 34 use strict;
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Line 34 use strict;
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use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
use LONCAPA; |
use LONCAPA; |
use LONCAPA::Configuration; |
use LONCAPA::Configuration; |
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use LONCAPA::Lond; |
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use IO::Socket; |
use IO::Socket; |
use IO::File; |
use IO::File; |
Line 1906 sub authenticate_handler {
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Line 1907 sub authenticate_handler {
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if (ref($hostedsession) eq 'HASH') { |
if (ref($hostedsession) eq 'HASH') { |
$hosted = $hostedsession->{'hosted'}; |
$hosted = $hostedsession->{'hosted'}; |
} |
} |
my $loncaparev = $clientversion; |
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if ($loncaparev eq '') { |
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$loncaparev = $Apache::lonnet::loncaparevs{$clientname}; |
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} |
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$canhost = &Apache::lonnet::can_host_session($udom,$clientname, |
$canhost = &Apache::lonnet::can_host_session($udom,$clientname, |
$loncaparev, |
$clientversion, |
$remote,$hosted); |
$remote,$hosted); |
} |
} |
} |
} |
Line 2373 sub fetch_user_file_handler {
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Line 2370 sub fetch_user_file_handler {
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unlink($transname); |
unlink($transname); |
&Failure($client, "failed\n", $userinput); |
&Failure($client, "failed\n", $userinput); |
} else { |
} else { |
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if ($fname =~ /^default.+\.(page|sequence)$/) { |
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my ($major,$minor) = split(/\./,$clientversion); |
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if (($major < 2) || ($major == 2 && $minor < 11)) { |
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my $now = time; |
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&Apache::lonnet::do_cache_new('crschange',$udom.'_'.$uname,$now,600); |
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my $key = &escape('internal.contentchange'); |
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my $what = "$key=$now"; |
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my $hashref = &tie_user_hash($udom,$uname,'environment', |
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&GDBM_WRCREAT(),"P",$what); |
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if ($hashref) { |
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$hashref->{$key}=$now; |
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if (!&untie_user_hash($hashref)) { |
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&logthis("error: ".($!+0)." untie (GDBM) failed ". |
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"when updating internal.contentchange"); |
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} |
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} |
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} |
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} |
&Reply($client, "ok\n", $userinput); |
&Reply($client, "ok\n", $userinput); |
} |
} |
} |
} |
Line 3179 sub get_profile_keys {
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Line 3194 sub get_profile_keys {
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sub dump_profile_database { |
sub dump_profile_database { |
my ($cmd, $tail, $client) = @_; |
my ($cmd, $tail, $client) = @_; |
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|
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my $res = LONCAPA::Lond::dump_profile_database($tail); |
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|
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if ($res =~ /^error:/) { |
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Failure($client, \$res, "$cmd:$tail"); |
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} else { |
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Reply($client, \$res, "$cmd:$tail"); |
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} |
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return 1; |
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#TODO remove |
my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
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my ($udom,$uname,$namespace) = split(/:/,$tail); |
my ($udom,$uname,$namespace) = split(/:/,$tail); |
Line 3248 sub dump_profile_database {
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Line 3274 sub dump_profile_database {
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# range - optional range of entries |
# range - optional range of entries |
# e.g., 10-20 would return the |
# e.g., 10-20 would return the |
# 10th to 19th items, etc. |
# 10th to 19th items, etc. |
# extra - optional ref to hash of |
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# additional args. currently |
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# skipcheck is only key used. |
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# $client - Channel open on the client. |
# $client - Channel open on the client. |
# Returns: |
# Returns: |
# 1 - Continue processing. |
# 1 - Continue processing. |
Line 3260 sub dump_profile_database {
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Line 3283 sub dump_profile_database {
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sub dump_with_regexp { |
sub dump_with_regexp { |
my ($cmd, $tail, $client) = @_; |
my ($cmd, $tail, $client) = @_; |
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|
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my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion); |
my $userinput = "$cmd:$tail"; |
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if ($res =~ /^error:/) { |
my ($udom,$uname,$namespace,$regexp,$range,$extra)=split(/:/,$tail); |
Failure($client, \$res, "$cmd:$tail"); |
if (defined($regexp)) { |
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$regexp=&unescape($regexp); |
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} else { |
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$regexp='.'; |
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} |
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my ($start,$end); |
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if (defined($range)) { |
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if ($range =~/^(\d+)\-(\d+)$/) { |
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($start,$end) = ($1,$2); |
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} elsif ($range =~/^(\d+)$/) { |
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($start,$end) = (0,$1); |
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} else { |
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undef($range); |
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} |
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} |
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my $hashref = &tie_user_hash($udom, $uname, $namespace, |
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&GDBM_READER()); |
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my $skipcheck; |
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if ($hashref) { |
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my $qresult=''; |
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my $count=0; |
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# |
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# When dump is for roles.db, determine if LON-CAPA version checking is needed. |
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# Sessions on 2.10 and later will include skipcheck => 1 in extra args ref, |
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# to indicate no version checking is needed (in this case, checking occurs |
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# on the server hosting the user session, when constructing the roles/courses |
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# screen). |
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# |
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if ($extra ne '') { |
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$extra = &Apache::lonnet::thaw_unescape($extra); |
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$skipcheck = $extra->{'skipcheck'}; |
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} |
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my @ids = &Apache::lonnet::current_machine_ids(); |
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my (%homecourses,$major,$minor,$now); |
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# |
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# If dump is for roles.db from a pre-2.10 server, determine the LON-CAPA |
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# version on the server which requested the data. For LON-CAPA 2.9, the |
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# client session will have sent its LON-CAPA version when initiating the |
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# connection. For LON-CAPA 2.8 and older, the version is retrieved from |
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# the global %loncaparevs in lonnet.pm. |
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# |
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if (($namespace eq 'roles') && (!$skipcheck)) { |
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my $loncaparev = $clientversion; |
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if ($loncaparev eq '') { |
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$loncaparev = $Apache::lonnet::loncaparevs{$clientname}; |
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} |
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if ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?/) { |
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$major = $1; |
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$minor = $2; |
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} |
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$now = time; |
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} |
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while (my ($key,$value) = each(%$hashref)) { |
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if ($namespace eq 'roles') { |
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if ($key =~ m{^/($LONCAPA::match_domain)/($LONCAPA::match_courseid)(/?[^_]*)_(cc|co|in|ta|ep|ad|st|cr)$}) { |
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my $cdom = $1; |
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my $cnum = $2; |
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unless ($skipcheck) { |
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my ($role,$roleend,$rolestart) = split(/\_/,$value); |
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if (!$roleend || $roleend > $now) { |
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# |
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# For active course roles, check that requesting server is running a LON-CAPA |
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# version which meets any version requirements for the course. Do not include |
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# the role amongst the results returned if the requesting server's version is |
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# too old. |
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# |
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# This determination is handled differently depending on whether the course's |
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# homeserver is the current server, or whether it is a different server. |
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# In both cases, the course's version requirement needs to be retrieved. |
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# |
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next unless (&releasereqd_check($cnum,$cdom,$key,$value,$major, |
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$minor,\%homecourses,\@ids)); |
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} |
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} |
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} |
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} |
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if ($regexp eq '.') { |
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$count++; |
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if (defined($range) && $count >= $end) { last; } |
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if (defined($range) && $count < $start) { next; } |
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$qresult.=$key.'='.$value.'&'; |
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} else { |
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my $unescapeKey = &unescape($key); |
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if (eval('$unescapeKey=~/$regexp/')) { |
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$count++; |
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if (defined($range) && $count >= $end) { last; } |
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if (defined($range) && $count < $start) { next; } |
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$qresult.="$key=$value&"; |
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} |
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} |
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} |
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if (&untie_user_hash($hashref)) { |
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# |
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# If dump is for roles.db from a pre-2.10 server, check if the LON-CAPA |
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# version requirements for courses for which the current server is the home |
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# server permit course roles to be usable on the client server hosting the |
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# user's session. If so, include those role results in the data returned to |
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# the client server. |
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# |
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if (($namespace eq 'roles') && (!$skipcheck)) { |
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if (keys(%homecourses) > 0) { |
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$qresult .= &check_homecourses(\%homecourses,$udom,$regexp,$count, |
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$range,$start,$end,$major,$minor); |
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} |
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} |
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chop($qresult); |
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&Reply($client, \$qresult, $userinput); |
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} else { |
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&Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
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"while attempting dump\n", $userinput); |
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} |
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} else { |
} else { |
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
Reply($client, \$res, "$cmd:$tail"); |
"while attempting dump\n", $userinput); |
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} |
} |
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return 1; |
return 1; |
Line 3956 sub put_course_id_hash_handler {
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Line 3867 sub put_course_id_hash_handler {
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# a reply is written to $client. |
# a reply is written to $client. |
sub dump_course_id_handler { |
sub dump_course_id_handler { |
my ($cmd, $tail, $client) = @_; |
my ($cmd, $tail, $client) = @_; |
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my $res = LONCAPA::Lond::dump_course_id_handler($tail); |
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if ($res =~ /^error:/) { |
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Failure($client, \$res, "$cmd:$tail"); |
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} else { |
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Reply($client, \$res, "$cmd:$tail"); |
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} |
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return 1; |
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#TODO remove |
my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
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my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter, |
my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter, |
Line 6319 sub Debug {
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Line 6241 sub Debug {
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# reply - Text to send to client. |
# reply - Text to send to client. |
# request - Original request from client. |
# request - Original request from client. |
# |
# |
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#NOTE $reply must be terminated by exactly *one* \n. If $reply is a reference |
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#this is done automatically ($$reply must not contain any \n in this case). |
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#If $reply is a string the caller has to ensure this. |
sub Reply { |
sub Reply { |
my ($fd, $reply, $request) = @_; |
my ($fd, $reply, $request) = @_; |
if (ref($reply)) { |
if (ref($reply)) { |
Line 6565 sub make_new_child {
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Line 6490 sub make_new_child {
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#---------------------------------------------------- kerberos 5 initialization |
#---------------------------------------------------- kerberos 5 initialization |
&Authen::Krb5::init_context(); |
&Authen::Krb5::init_context(); |
unless (($dist eq 'fedora5') || ($dist eq 'fedora4') || |
unless (($dist eq 'fedora5') || ($dist eq 'fedora4') || |
($dist eq 'fedora6') || ($dist eq 'suse9.3')) { |
($dist eq 'fedora6') || ($dist eq 'suse9.3') || |
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($dist eq 'suse12.2')) { |
&Authen::Krb5::init_ets(); |
&Authen::Krb5::init_ets(); |
} |
} |
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Line 6610 sub make_new_child {
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Line 6536 sub make_new_child {
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# |
# |
# If the remote is attempting a local init... give that a try: |
# If the remote is attempting a local init... give that a try: |
# |
# |
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logthis("remotereq: $remotereq"); |
(my $i, my $inittype, $clientversion) = split(/:/, $remotereq); |
(my $i, my $inittype, $clientversion) = split(/:/, $remotereq); |
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# For LON-CAPA 2.9, the client session will have sent its LON-CAPA |
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# version when initiating the connection. For LON-CAPA 2.8 and older, |
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# the version is retrieved from the global %loncaparevs in lonnet.pm. |
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# $clientversion contains path to keyfile if $inittype eq 'local' |
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# it's overridden below in this case |
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$clientversion ||= $Apache::lonnet::loncaparevs{$clientname}; |
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# If the connection type is ssl, but I didn't get my |
# If the connection type is ssl, but I didn't get my |
# certificate files yet, then I'll drop back to |
# certificate files yet, then I'll drop back to |
Line 7474 sub get_usersession_config {
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Line 7407 sub get_usersession_config {
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return; |
return; |
} |
} |
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# |
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# releasereqd_check() will determine if a LON-CAPA version (defined in the |
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# $major,$minor args passed) is not too old to allow use of a role in a |
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# course ($cnum,$cdom args passed), if at least one of the following applies: |
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# (a) the course is a Community, (b) the course's home server is *not* the |
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# current server, or (c) cached course information is not stale. |
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# |
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# For the case where none of these apply, the course is added to the |
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# $homecourse hash ref (keys = courseIDs, values = array of a hash of roles). |
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# The $homecourse hash ref is for courses for which the current server is the |
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# home server. LON-CAPA version requirements are checked elsewhere for the |
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# items in $homecourse. |
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# |
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sub releasereqd_check { |
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my ($cnum,$cdom,$key,$value,$major,$minor,$homecourses,$ids) = @_; |
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my $home = &Apache::lonnet::homeserver($cnum,$cdom); |
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return if ($home eq 'no_host'); |
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my ($reqdmajor,$reqdminor,$displayrole); |
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if ($cnum =~ /$LONCAPA::match_community/) { |
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if ($major eq '' && $minor eq '') { |
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return unless ((ref($ids) eq 'ARRAY') && |
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(grep(/^\Q$home\E$/,@{$ids}))); |
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} else { |
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$reqdmajor = 2; |
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$reqdminor = 9; |
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return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); |
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} |
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} |
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my $hashid = $cdom.':'.$cnum; |
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my ($courseinfo,$cached) = |
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&Apache::lonnet::is_cached_new('courseinfo',$hashid); |
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if (defined($cached)) { |
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if (ref($courseinfo) eq 'HASH') { |
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if (exists($courseinfo->{'releaserequired'})) { |
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my ($reqdmajor,$reqdminor) = split(/\./,$courseinfo->{'releaserequired'}); |
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return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); |
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} |
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} |
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} else { |
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if (ref($ids) eq 'ARRAY') { |
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if (grep(/^\Q$home\E$/,@{$ids})) { |
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if (ref($homecourses) eq 'HASH') { |
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if (ref($homecourses->{$hashid}) eq 'ARRAY') { |
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push(@{$homecourses->{$hashid}},{$key=>$value}); |
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} else { |
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$homecourses->{$hashid} = [{$key=>$value}]; |
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} |
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} |
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return; |
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} |
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} |
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my $courseinfo = &get_courseinfo_hash($cnum,$cdom,$home); |
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if (ref($courseinfo) eq 'HASH') { |
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if (exists($courseinfo->{'releaserequired'})) { |
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my ($reqdmajor,$reqdminor) = split(/\./,$courseinfo->{'releaserequired'}); |
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return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); |
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} |
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} else { |
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return; |
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} |
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} |
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return 1; |
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} |
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# |
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# get_courseinfo_hash() is used to retrieve course information from the db |
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# file: nohist_courseids.db for a course for which the current server is *not* |
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# the home server. |
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# |
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# A hash of a hash will be retrieved. The outer hash contains a single key -- |
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# courseID -- for the course for which the data are being requested. |
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# The contents of the inner hash, for that single item in the outer hash |
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# are returned (and cached in memcache for 10 minutes). |
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# |
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sub get_courseinfo_hash { |
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my ($cnum,$cdom,$home) = @_; |
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my %info; |
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eval { |
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local($SIG{ALRM}) = sub { die "timeout\n"; }; |
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local($SIG{__DIE__})='DEFAULT'; |
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alarm(3); |
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%info = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,1,[$home],'.'); |
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alarm(0); |
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}; |
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if ($@) { |
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if ($@ eq "timeout\n") { |
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&logthis("<font color='blue'>WARNING courseiddump for $cnum:$cdom from $home timedout</font>"); |
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} else { |
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&logthis("<font color='yellow'>WARNING unexpected error during eval of call for courseiddump from $home</font>"); |
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} |
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} else { |
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if (ref($info{$cdom.'_'.$cnum}) eq 'HASH') { |
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my $hashid = $cdom.':'.$cnum; |
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return &Apache::lonnet::do_cache_new('courseinfo',$hashid,$info{$cdom.'_'.$cnum},600); |
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} |
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} |
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return; |
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} |
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# |
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# check_homecourses() will retrieve course information for those courses which |
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# are keys of the $homecourses hash ref (first arg). The nohist_courseids.db |
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# GDBM file is tied and course information for each course retrieved. Last |
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# visit (lasttime key) is also retrieved for each, and cached values updated |
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# for any courses last visited less than 24 hours ago. Cached values are also |
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# updated for any courses included in the $homecourses hash ref. |
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# |
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# The reason for the 24 hours constraint is that the cron entry in |
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# /etc/cron.d/loncapa for /home/httpd/perl/refresh_courseids_db.pl causes |
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# cached course information to be updated nightly for courses with activity |
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# within the past 24 hours. |
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# |
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# Role information for the user (included in a ref to an array of hashes as the |
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# value for each key in $homecourses) is appended to the result returned by the |
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# routine, which will in turn be appended to the string returned to the client |
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# hosting the user's session. |
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# |
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sub check_homecourses { |
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my ($homecourses,$udom,$regexp,$count,$range,$start,$end,$major,$minor) = @_; |
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my ($result,%addtocache); |
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my $yesterday = time - 24*3600; |
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if (ref($homecourses) eq 'HASH') { |
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my (%okcourses,%courseinfo,%recent); |
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my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT()); |
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if ($hashref) { |
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while (my ($key,$value) = each(%$hashref)) { |
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my $unesc_key = &unescape($key); |
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if ($unesc_key =~ /^lasttime:(\w+)$/) { |
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my $cid = $1; |
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$cid =~ s/_/:/; |
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if ($value > $yesterday ) { |
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$recent{$cid} = 1; |
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} |
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next; |
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} |
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my $items = &Apache::lonnet::thaw_unescape($value); |
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if (ref($items) eq 'HASH') { |
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my $hashid = $unesc_key; |
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$hashid =~ s/_/:/; |
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$courseinfo{$hashid} = $items; |
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if (ref($homecourses->{$hashid}) eq 'ARRAY') { |
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my ($reqdmajor,$reqdminor) = split(/\./,$items->{'releaserequired'}); |
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if (&useable_role($reqdmajor,$reqdminor,$major,$minor)) { |
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$okcourses{$hashid} = 1; |
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} |
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} |
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} |
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} |
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unless (&untie_domain_hash($hashref)) { |
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&logthis('Failed to untie tied hash for nohist_courseids.db'); |
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} |
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} else { |
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&logthis('Failed to tie hash for nohist_courseids.db'); |
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return; |
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} |
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foreach my $hashid (keys(%recent)) { |
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my ($result,$cached)=&Apache::lonnet::is_cached_new('courseinfo',$hashid); |
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unless ($cached) { |
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&Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600); |
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} |
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} |
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foreach my $hashid (keys(%{$homecourses})) { |
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next if ($recent{$hashid}); |
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&Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600); |
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} |
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foreach my $hashid (keys(%okcourses)) { |
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if (ref($homecourses->{$hashid}) eq 'ARRAY') { |
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foreach my $role (@{$homecourses->{$hashid}}) { |
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if (ref($role) eq 'HASH') { |
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while (my ($key,$value) = each(%{$role})) { |
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if ($regexp eq '.') { |
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$count++; |
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if (defined($range) && $count >= $end) { last; } |
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if (defined($range) && $count < $start) { next; } |
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$result.=$key.'='.$value.'&'; |
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} else { |
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my $unescapeKey = &unescape($key); |
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if (eval('$unescapeKey=~/$regexp/')) { |
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$count++; |
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if (defined($range) && $count >= $end) { last; } |
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if (defined($range) && $count < $start) { next; } |
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$result.="$key=$value&"; |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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return $result; |
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} |
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|
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# |
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# useable_role() will compare the LON-CAPA version required by a course with |
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# the version available on the client server. If the client server's version |
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# is compatible, 1 will be returned. |
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# |
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|
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sub useable_role { |
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my ($reqdmajor,$reqdminor,$major,$minor) = @_; |
|
if ($reqdmajor ne '' && $reqdminor ne '') { |
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return if (($major eq '' && $minor eq '') || |
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($major < $reqdmajor) || |
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(($major == $reqdmajor) && ($minor < $reqdminor))); |
|
} |
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return 1; |
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} |
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|
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sub distro_and_arch { |
sub distro_and_arch { |
return $dist.':'.$arch; |
return $dist.':'.$arch; |
Line 7897 Place in B<logs/lond.log>
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Line 7621 Place in B<logs/lond.log>
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stores hash in namespace |
stores hash in namespace |
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=item rolesputy |
=item rolesput |
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put a role into a user's environment |
put a role into a user's environment |
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Line 8014 Authen::Krb5
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Line 7738 Authen::Krb5
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=head1 COREQUISITES |
=head1 COREQUISITES |
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none |
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=head1 OSNAMES |
=head1 OSNAMES |
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linux |
linux |
Line 8101 or the CA's certificate in the call to l
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Line 7827 or the CA's certificate in the call to l
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<error> is the textual reason this failed. Usual reasons: |
<error> is the textual reason this failed. Usual reasons: |
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=over 2 |
=over 2 |
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=item Apache config file for loncapa incorrect: |
=item Apache config file for loncapa incorrect: |
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one of the variables |
one of the variables |
lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate |
lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate |
undefined or incorrect |
undefined or incorrect |
Line 8222 Could not rewrite the
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Line 7948 Could not rewrite the
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internal password file for a user |
internal password file for a user |
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=item Result of password change for <user> : <result> |
=item Result of password change for <user> : <result> |
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A unix password change for <user> was attempted |
A unix password change for <user> was attempted |
and the pipe returned <result> |
and the pipe returned <result> |
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Line 8251 lond has been asked to exit by its clien
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Line 7977 lond has been asked to exit by its clien
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client systemand <input> is the full exit command sent to the server. |
client systemand <input> is the full exit command sent to the server. |
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=item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>]. |
=item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>]. |
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A lond child terminated. NOte that this termination can also occur when the |
A lond child terminated. NOte that this termination can also occur when the |
child receives the QUIT or DIE signals. <pid> is the process id of the child, |
child receives the QUIT or DIE signals. <pid> is the process id of the child, |
<hostname> the host lond is working for, and <message> the reason the child died |
<hostname> the host lond is working for, and <message> the reason the child died |
Line 8335 file when sent it's USR1 signal. That p
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Line 8061 file when sent it's USR1 signal. That p
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assumed to be hung in some un-fixable way. |
assumed to be hung in some un-fixable way. |
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=item Finished checking children |
=item Finished checking children |
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Master processs's USR1 processing is cojmplete. |
Master processs's USR1 processing is cojmplete. |
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=item (Red) CRITICAL: ------- Starting ------ |
=item (Red) CRITICAL: ------- Starting ------ |
Line 8349 Started a new child process for <client>
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Line 8075 Started a new child process for <client>
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connected to the child. This was as a result of a TCP/IP connection from a client. |
connected to the child. This was as a result of a TCP/IP connection from a client. |
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=item Unable to determine who caller was, getpeername returned nothing |
=item Unable to determine who caller was, getpeername returned nothing |
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In child process initialization. either getpeername returned undef or |
In child process initialization. either getpeername returned undef or |
a zero sized object was returned. Processing continues, but in my opinion, |
a zero sized object was returned. Processing continues, but in my opinion, |
this should be cause for the child to exit. |
this should be cause for the child to exit. |
Line 8360 In child process initialization. The pe
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Line 8086 In child process initialization. The pe
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The client address is stored as "Unavailable" and processing continues. |
The client address is stored as "Unavailable" and processing continues. |
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=item (Yellow) INFO: Connection <ip> <name> connection type = <type> |
=item (Yellow) INFO: Connection <ip> <name> connection type = <type> |
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In child initialization. A good connectionw as received from <ip>. |
In child initialization. A good connectionw as received from <ip>. |
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=over 2 |
=over 2 |
Line 8410 The client (<client> is the peer's name
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Line 8136 The client (<client> is the peer's name
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negotiated an SSL connection with this child process. |
negotiated an SSL connection with this child process. |
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=item (Green) Successful insecure authentication with <client> |
=item (Green) Successful insecure authentication with <client> |
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The client has successfully negotiated an insecure connection withthe child process. |
The client has successfully negotiated an insecure connection withthe child process. |
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