version 1.421, 2009/08/16 21:49:21
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version 1.450, 2010/07/26 21:52:10
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Line 42 use Crypt::IDEA;
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Line 42 use Crypt::IDEA;
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use LWP::UserAgent(); |
use LWP::UserAgent(); |
use Digest::MD5 qw(md5_hex); |
use Digest::MD5 qw(md5_hex); |
use GDBM_File; |
use GDBM_File; |
use Authen::Krb4; |
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use Authen::Krb5; |
use Authen::Krb5; |
use localauth; |
use localauth; |
use localenroll; |
use localenroll; |
Line 67 my $currentdomainid;
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Line 66 my $currentdomainid;
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my $client; |
my $client; |
my $clientip; # IP address of client. |
my $clientip; # IP address of client. |
my $clientname; # LonCAPA name of client. |
my $clientname; # LonCAPA name of client. |
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my $clientversion; # LonCAPA version running on client. |
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my $clienthomedom; # LonCAPA domain of homeID for client. |
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# primary library server. |
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my $server; |
my $server; |
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Line 975 sub read_profile {
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Line 977 sub read_profile {
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&GDBM_READER()); |
&GDBM_READER()); |
if ($hashref) { |
if ($hashref) { |
my @queries=split(/\&/,$what); |
my @queries=split(/\&/,$what); |
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if ($namespace eq 'roles') { |
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@queries = map { &unescape($_); } @queries; |
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} |
my $qresult=''; |
my $qresult=''; |
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for (my $i=0;$i<=$#queries;$i++) { |
for (my $i=0;$i<=$#queries;$i++) { |
Line 1068 sub pong_handler {
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Line 1073 sub pong_handler {
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# Implicit Inputs: |
# Implicit Inputs: |
# $currenthostid - Global variable that carries the name of the host |
# $currenthostid - Global variable that carries the name of the host |
# known as. |
# known as. |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
# $clientname - Global variable that carries the name of the host we're connected to. |
# Returns: |
# Returns: |
# 1 - Ok to continue processing. |
# 1 - Ok to continue processing. |
# 0 - Program should exit. |
# 0 - Program should exit. |
Line 1107 sub establish_key_handler {
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Line 1112 sub establish_key_handler {
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# Implicit Inputs: |
# Implicit Inputs: |
# $currenthostid - Global variable that carries the name of the host |
# $currenthostid - Global variable that carries the name of the host |
# known as. |
# known as. |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
# $clientname - Global variable that carries the name of the host we're connected to. |
# Returns: |
# Returns: |
# 1 - Ok to continue processing. |
# 1 - Ok to continue processing. |
# 0 - Program should exit. |
# 0 - Program should exit. |
Line 1144 sub load_handler {
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Line 1149 sub load_handler {
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# Implicit Inputs: |
# Implicit Inputs: |
# $currenthostid - Global variable that carries the name of the host |
# $currenthostid - Global variable that carries the name of the host |
# known as. |
# known as. |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
# $clientname - Global variable that carries the name of the host we're connected to. |
# Returns: |
# Returns: |
# 1 - Ok to continue processing. |
# 1 - Ok to continue processing. |
# 0 - Program should exit |
# 0 - Program should exit |
Line 1653 sub server_loncaparev_handler {
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Line 1658 sub server_loncaparev_handler {
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} |
} |
®ister_handler("serverloncaparev", \&server_loncaparev_handler, 0, 1, 0); |
®ister_handler("serverloncaparev", \&server_loncaparev_handler, 0, 1, 0); |
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sub server_homeID_handler { |
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my ($cmd,$tail,$client) = @_; |
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my $userinput = "$cmd:$tail"; |
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&Reply($client,\$perlvar{'lonHostID'},$userinput); |
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return 1; |
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} |
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®ister_handler("serverhomeID", \&server_homeID_handler, 0, 1, 0); |
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# Process a reinit request. Reinit requests that either |
# Process a reinit request. Reinit requests that either |
# lonc or lond be reinitialized so that an updated |
# lonc or lond be reinitialized so that an updated |
# host.tab or domain.tab can be processed. |
# host.tab or domain.tab can be processed. |
Line 1762 sub authenticate_handler {
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Line 1775 sub authenticate_handler {
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# upass - User's password. |
# upass - User's password. |
# checkdefauth - Pass to validate_user() to try authentication |
# checkdefauth - Pass to validate_user() to try authentication |
# with default auth type(s) if no user account. |
# with default auth type(s) if no user account. |
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# clientcancheckhost - Passed by clients with functionality in lonauth.pm |
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# to check if session can be hosted. |
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my ($udom, $uname, $upass, $checkdefauth)=split(/:/,$tail); |
my ($udom, $uname, $upass, $checkdefauth, $clientcancheckhost)=split(/:/,$tail); |
&Debug(" Authenticate domain = $udom, user = $uname, password = $upass, checkdefauth = $checkdefauth"); |
&Debug(" Authenticate domain = $udom, user = $uname, password = $upass, checkdefauth = $checkdefauth"); |
chomp($upass); |
chomp($upass); |
$upass=&unescape($upass); |
$upass=&unescape($upass); |
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my $pwdcorrect = &validate_user($udom,$uname,$upass,$checkdefauth); |
my $pwdcorrect = &validate_user($udom,$uname,$upass,$checkdefauth); |
if($pwdcorrect) { |
if($pwdcorrect) { |
&Reply( $client, "authorized\n", $userinput); |
my $canhost = 1; |
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unless ($clientcancheckhost) { |
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my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); |
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my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); |
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my @intdoms = &Apache::lonnet::get_internet_names($clientname); |
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unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) { |
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my ($remote,$hosted); |
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my $remotesession = &get_usersession_config($udom,'remotesession'); |
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if (ref($remotesession) eq 'HASH') { |
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$remote = $remotesession->{'remote'} |
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} |
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my $hostedsession = &get_usersession_config($clienthomedom,'hostedsession'); |
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if (ref($hostedsession) eq 'HASH') { |
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$hosted = $hostedsession->{'hosted'}; |
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} |
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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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$canhost = &Apache::lonnet::can_host_session($udom,$clientname, |
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$loncaparev, |
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$remote,$hosted); |
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} |
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} |
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if ($canhost) { |
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&Reply( $client, "authorized\n", $userinput); |
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} else { |
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&Reply( $client, "not_allowed_to_host\n", $userinput); |
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} |
# |
# |
# Bad credentials: Failed to authorize |
# Bad credentials: Failed to authorize |
# |
# |
Line 1815 sub change_password_handler {
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Line 1858 sub change_password_handler {
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# npass - New password. |
# npass - New password. |
# context - Context in which this was called |
# context - Context in which this was called |
# (preferences or reset_by_email). |
# (preferences or reset_by_email). |
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# lonhost - HostID of server where request originated |
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my ($udom,$uname,$upass,$npass,$context)=split(/:/,$tail); |
my ($udom,$uname,$upass,$npass,$context,$lonhost)=split(/:/,$tail); |
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$upass=&unescape($upass); |
$upass=&unescape($upass); |
$npass=&unescape($npass); |
$npass=&unescape($npass); |
Line 1825 sub change_password_handler {
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Line 1869 sub change_password_handler {
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# First require that the user can be authenticated with their |
# First require that the user can be authenticated with their |
# old password unless context was 'reset_by_email': |
# old password unless context was 'reset_by_email': |
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my $validated; |
my ($validated,$failure); |
if ($context eq 'reset_by_email') { |
if ($context eq 'reset_by_email') { |
$validated = 1; |
if ($lonhost eq '') { |
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$failure = 'invalid_client'; |
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} else { |
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$validated = 1; |
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} |
} else { |
} else { |
$validated = &validate_user($udom, $uname, $upass); |
$validated = &validate_user($udom, $uname, $upass); |
} |
} |
Line 1841 sub change_password_handler {
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Line 1889 sub change_password_handler {
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$salt=substr($salt,6,2); |
$salt=substr($salt,6,2); |
my $ncpass=crypt($npass,$salt); |
my $ncpass=crypt($npass,$salt); |
if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) { |
if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) { |
&logthis("Result of password change for " |
my $msg="Result of password change for $uname: pwchange_success"; |
."$uname: pwchange_success"); |
if ($lonhost) { |
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$msg .= " - request originated from: $lonhost"; |
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} |
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&logthis($msg); |
&Reply($client, "ok\n", $userinput); |
&Reply($client, "ok\n", $userinput); |
} else { |
} else { |
&logthis("Unable to open $uname passwd " |
&logthis("Unable to open $uname passwd " |
Line 1863 sub change_password_handler {
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Line 1914 sub change_password_handler {
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} |
} |
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} else { |
} else { |
&Failure( $client, "non_authorized\n", $userinput); |
if ($failure eq '') { |
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$failure = 'non_authorized'; |
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} |
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&Failure( $client, "$failure\n", $userinput); |
} |
} |
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return 1; |
return 1; |
Line 2050 sub is_home_handler {
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Line 2104 sub is_home_handler {
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®ister_handler("home", \&is_home_handler, 0,1,0); |
®ister_handler("home", \&is_home_handler, 0,1,0); |
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# |
# |
# Process an update request for a resource?? I think what's going on here is |
# Process an update request for a resource. |
# that a resource has been modified that we hold a subscription to. |
# A resource has been modified that we hold a subscription to. |
# If the resource is not local, then we must update, or at least invalidate our |
# If the resource is not local, then we must update, or at least invalidate our |
# cached copy of the resource. |
# cached copy of the resource. |
# FUTURE WORK: |
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# I need to look at this logic carefully. My druthers would be to follow |
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# typical caching logic, and simple invalidate the cache, drop any subscription |
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# an let the next fetch start the ball rolling again... however that may |
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# actually be more difficult than it looks given the complex web of |
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# proxy servers. |
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# Parameters: |
# Parameters: |
# $cmd - The command that got us here. |
# $cmd - The command that got us here. |
# $tail - Tail of the command (remaining parameters). |
# $tail - Tail of the command (remaining parameters). |
Line 2083 sub update_resource_handler {
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Line 2131 sub update_resource_handler {
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my $ownership=ishome($fname); |
my $ownership=ishome($fname); |
if ($ownership eq 'not_owner') { |
if ($ownership eq 'not_owner') { |
if (-e $fname) { |
if (-e $fname) { |
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# Delete preview file, if exists |
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unlink("$fname.tmp"); |
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# Get usage stats |
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size, |
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size, |
$atime,$mtime,$ctime,$blksize,$blocks)=stat($fname); |
$atime,$mtime,$ctime,$blksize,$blocks)=stat($fname); |
my $now=time; |
my $now=time; |
my $since=$now-$atime; |
my $since=$now-$atime; |
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# If the file has not been used within lonExpire seconds, |
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# unsubscribe from it and delete local copy |
if ($since>$perlvar{'lonExpire'}) { |
if ($since>$perlvar{'lonExpire'}) { |
my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname"); |
my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname"); |
&devalidate_meta_cache($fname); |
&devalidate_meta_cache($fname); |
unlink("$fname"); |
unlink("$fname"); |
unlink("$fname.meta"); |
unlink("$fname.meta"); |
} else { |
} else { |
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# Yes, this is in active use. Get a fresh copy. Since it might be in |
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# very active use and huge (like a movie), copy it to "in.transfer" filename first. |
my $transname="$fname.in.transfer"; |
my $transname="$fname.in.transfer"; |
my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname"); |
my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname"); |
my $response; |
my $response; |
Line 2120 sub update_resource_handler {
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Line 2175 sub update_resource_handler {
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} |
} |
alarm(0); |
alarm(0); |
} |
} |
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# we successfully transfered, copy file over to real name |
rename($transname,$fname); |
rename($transname,$fname); |
&devalidate_meta_cache($fname); |
&devalidate_meta_cache($fname); |
} |
} |
Line 3088 sub dump_with_regexp {
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Line 3144 sub dump_with_regexp {
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my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
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my ($udom,$uname,$namespace,$regexp,$range)=split(/:/,$tail); |
my ($udom,$uname,$namespace,$regexp,$range,$extra)=split(/:/,$tail); |
if (defined($regexp)) { |
if (defined($regexp)) { |
$regexp=&unescape($regexp); |
$regexp=&unescape($regexp); |
} else { |
} else { |
Line 3106 sub dump_with_regexp {
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Line 3162 sub dump_with_regexp {
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} |
} |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
&GDBM_READER()); |
&GDBM_READER()); |
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my $clientcheckrole; |
if ($hashref) { |
if ($hashref) { |
my $qresult=''; |
my $qresult=''; |
my $count=0; |
my $count=0; |
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if ($extra ne '') { |
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$extra = &Apache::lonnet::thaw_unescape($extra); |
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$clientcheckrole = $extra->{'clientcheckrole'}; |
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} |
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my @ids = &Apache::lonnet::current_machine_ids(); |
while (my ($key,$value) = each(%$hashref)) { |
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 = $2; |
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unless ($clientcheckrole) { |
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my $home = &Apache::lonnet::homeserver($cnum,$cdom); |
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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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my ($major,$minor); |
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if ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\d.\-]+\'?/) { |
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$major = $1; |
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$minor = $2; |
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} |
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if ($key =~ m{^/($LONCAPA::match_domain)/($LONCAPA::match_community)_(co|in|ta|ep|ad|st|cr)}) { |
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if ($major eq '' && $minor eq '') { |
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next unless (($home ne 'no_host') && grep(/^\Q$home\E$/,@ids)); |
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} |
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} |
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unless ($home eq 'no_host') { |
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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(/\./,$courseinfo->{'releaserequired'}); |
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if ($reqdmajor ne '' && $reqdminor ne '') { |
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next if (($major eq '' && $minor eq '') || |
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($major < $reqdmajor) || |
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(($major == $reqdmajor) && ($minor < $reqdminor))); |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
if ($regexp eq '.') { |
if ($regexp eq '.') { |
$count++; |
$count++; |
if (defined($range) && $count >= $end) { last; } |
if (defined($range) && $count >= $end) { last; } |
Line 3693 sub put_course_id_hash_handler {
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Line 3791 sub put_course_id_hash_handler {
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# caller - if set to 'coursecatalog', courses set to be hidden |
# caller - if set to 'coursecatalog', courses set to be hidden |
# from course catalog will be excluded from results (unless |
# from course catalog will be excluded from results (unless |
# overridden by "showhidden". |
# overridden by "showhidden". |
# cloner - escaped username:domain of course cloner (if picking course to# |
# cloner - escaped username:domain of course cloner (if picking course to |
# clone). |
# clone). |
# cc_clone_list - escaped comma separated list of courses for which |
# cc_clone_list - escaped comma separated list of courses for which |
# course cloner has active CC role (and so can clone |
# course cloner has active CC role (and so can clone |
# automatically). |
# automatically). |
# cloneonly - filter by courses for which cloner has rights to clone. |
# cloneonly - filter by courses for which cloner has rights to clone. |
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# createdbefore - include courses for which creation date preceeded this date. |
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# createdafter - include courses for which creation date followed this date. |
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# creationcontext - include courses created in specified context |
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# |
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# domcloner - flag to indicate if user can create CCs in course's domain. |
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# If so, ability to clone course is automatic. |
# |
# |
# $client - The socket open on the client. |
# $client - The socket open on the client. |
# Returns: |
# Returns: |
Line 3711 sub dump_course_id_handler {
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Line 3815 sub dump_course_id_handler {
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my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter, |
my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter, |
$typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden, |
$typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden, |
$caller,$cloner,$cc_clone_list,$cloneonly) =split(/:/,$tail); |
$caller,$cloner,$cc_clone_list,$cloneonly,$createdbefore,$createdafter, |
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$creationcontext,$domcloner) =split(/:/,$tail); |
my $now = time; |
my $now = time; |
my ($cloneruname,$clonerudom,%cc_clone); |
my ($cloneruname,$clonerudom,%cc_clone); |
if (defined($description)) { |
if (defined($description)) { |
Line 3769 sub dump_course_id_handler {
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Line 3874 sub dump_course_id_handler {
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$cc_clone{$clonedom.'_'.$clonenum} = 1; |
$cc_clone{$clonedom.'_'.$clonenum} = 1; |
} |
} |
} |
} |
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if ($createdbefore ne '') { |
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$createdbefore = &unescape($createdbefore); |
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} else { |
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$createdbefore = 0; |
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} |
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if ($createdafter ne '') { |
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$createdafter = &unescape($createdafter); |
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} else { |
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$createdafter = 0; |
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} |
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if ($creationcontext ne '') { |
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$creationcontext = &unescape($creationcontext); |
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} else { |
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$creationcontext = '.'; |
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} |
my $unpack = 1; |
my $unpack = 1; |
if ($description eq '.' && $instcodefilter eq '.' && $coursefilter eq '.' && |
if ($description eq '.' && $instcodefilter eq '.' && $coursefilter eq '.' && |
$typefilter eq '.') { |
$typefilter eq '.') { |
Line 3781 sub dump_course_id_handler {
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Line 3900 sub dump_course_id_handler {
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if ($hashref) { |
if ($hashref) { |
while (my ($key,$value) = each(%$hashref)) { |
while (my ($key,$value) = each(%$hashref)) { |
my ($unesc_key,$lasttime_key,$lasttime,$is_hash,%val, |
my ($unesc_key,$lasttime_key,$lasttime,$is_hash,%val, |
%unesc_val,$selfenroll_end,$selfenroll_types); |
%unesc_val,$selfenroll_end,$selfenroll_types,$created, |
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$context); |
$unesc_key = &unescape($key); |
$unesc_key = &unescape($key); |
if ($unesc_key =~ /^lasttime:/) { |
if ($unesc_key =~ /^lasttime:/) { |
next; |
next; |
Line 3795 sub dump_course_id_handler {
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Line 3915 sub dump_course_id_handler {
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my ($canclone,$valchange); |
my ($canclone,$valchange); |
my $items = &Apache::lonnet::thaw_unescape($value); |
my $items = &Apache::lonnet::thaw_unescape($value); |
if (ref($items) eq 'HASH') { |
if (ref($items) eq 'HASH') { |
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if ($hashref->{$lasttime_key} eq '') { |
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next if ($since > 1); |
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} |
$is_hash = 1; |
$is_hash = 1; |
if (defined($clonerudom)) { |
if ($domcloner) { |
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$canclone = 1; |
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} elsif (defined($clonerudom)) { |
if ($items->{'cloners'}) { |
if ($items->{'cloners'}) { |
my @cloneable = split(',',$items->{'cloners'}); |
my @cloneable = split(',',$items->{'cloners'}); |
if (@cloneable) { |
if (@cloneable) { |
Line 3824 sub dump_course_id_handler {
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Line 3949 sub dump_course_id_handler {
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$items->{'cloners'} = $cloneruname.':'.$clonerudom; |
$items->{'cloners'} = $cloneruname.':'.$clonerudom; |
$valchange = 1; |
$valchange = 1; |
} |
} |
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unless ($canclone) { |
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if ($items->{'owner'} =~ /:/) { |
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if ($items->{'owner'} eq $cloner) { |
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$canclone = 1; |
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} |
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} elsif ($cloner eq $items->{'owner'}.':'.$udom) { |
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$canclone = 1; |
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} |
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if ($canclone) { |
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$items->{'cloners'} = $cloneruname.':'.$clonerudom; |
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$valchange = 1; |
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} |
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} |
} |
} |
} |
} |
if ($unpack || !$rtn_as_hash) { |
if ($unpack || !$rtn_as_hash) { |
Line 3832 sub dump_course_id_handler {
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Line 3970 sub dump_course_id_handler {
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$unesc_val{'owner'} = $items->{'owner'}; |
$unesc_val{'owner'} = $items->{'owner'}; |
$unesc_val{'type'} = $items->{'type'}; |
$unesc_val{'type'} = $items->{'type'}; |
$unesc_val{'cloners'} = $items->{'cloners'}; |
$unesc_val{'cloners'} = $items->{'cloners'}; |
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$unesc_val{'created'} = $items->{'created'}; |
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$unesc_val{'context'} = $items->{'context'}; |
} |
} |
$selfenroll_types = $items->{'selfenroll_types'}; |
$selfenroll_types = $items->{'selfenroll_types'}; |
$selfenroll_end = $items->{'selfenroll_end_date'}; |
$selfenroll_end = $items->{'selfenroll_end_date'}; |
|
$created = $items->{'created'}; |
|
$context = $items->{'context'}; |
if ($selfenrollonly) { |
if ($selfenrollonly) { |
next if (!$selfenroll_types); |
next if (!$selfenroll_types); |
if (($selfenroll_end > 0) && ($selfenroll_end <= $now)) { |
if (($selfenroll_end > 0) && ($selfenroll_end <= $now)) { |
next; |
next; |
} |
} |
} |
} |
|
if ($creationcontext ne '.') { |
|
next if (($context ne '') && ($context ne $creationcontext)); |
|
} |
|
if ($createdbefore > 0) { |
|
next if (($created eq '') || ($created > $createdbefore)); |
|
} |
|
if ($createdafter > 0) { |
|
next if (($created eq '') || ($created <= $createdafter)); |
|
} |
if ($catfilter ne '') { |
if ($catfilter ne '') { |
next if ($items->{'categories'} eq ''); |
next if ($items->{'categories'} eq ''); |
my @categories = split('&',$items->{'categories'}); |
my @categories = split('&',$items->{'categories'}); |
Line 3863 sub dump_course_id_handler {
|
Line 4014 sub dump_course_id_handler {
|
} else { |
} else { |
next if ($catfilter ne ''); |
next if ($catfilter ne ''); |
next if ($selfenrollonly); |
next if ($selfenrollonly); |
|
next if ($createdbefore || $createdafter); |
|
next if ($creationcontext ne '.'); |
if ((defined($clonerudom)) && (defined($cloneruname))) { |
if ((defined($clonerudom)) && (defined($cloneruname))) { |
if ($cc_clone{$unesc_key}) { |
if ($cc_clone{$unesc_key}) { |
$canclone = 1; |
$canclone = 1; |
Line 4009 sub dump_course_id_handler {
|
Line 4162 sub dump_course_id_handler {
|
} |
} |
®ister_handler("courseiddump", \&dump_course_id_handler, 0, 1, 0); |
®ister_handler("courseiddump", \&dump_course_id_handler, 0, 1, 0); |
|
|
|
sub course_lastaccess_handler { |
|
my ($cmd, $tail, $client) = @_; |
|
my $userinput = "$cmd:$tail"; |
|
my ($cdom,$cnum) = split(':',$tail); |
|
my (%lastaccess,$qresult); |
|
my $hashref = &tie_domain_hash($cdom, "nohist_courseids", &GDBM_WRCREAT()); |
|
if ($hashref) { |
|
while (my ($key,$value) = each(%$hashref)) { |
|
my ($unesc_key,$lasttime); |
|
$unesc_key = &unescape($key); |
|
if ($cnum) { |
|
next unless ($unesc_key =~ /\Q$cdom\E_\Q$cnum\E$/); |
|
} |
|
if ($unesc_key =~ /^lasttime:($LONCAPA::match_domain\_$LONCAPA::match_courseid)/) { |
|
$lastaccess{$1} = $value; |
|
} else { |
|
my $items = &Apache::lonnet::thaw_unescape($value); |
|
if (ref($items) eq 'HASH') { |
|
unless ($lastaccess{$unesc_key}) { |
|
$lastaccess{$unesc_key} = ''; |
|
} |
|
} else { |
|
my @courseitems = split(':',$value); |
|
$lastaccess{$unesc_key} = pop(@courseitems); |
|
} |
|
} |
|
} |
|
foreach my $cid (sort(keys(%lastaccess))) { |
|
$qresult.=&escape($cid).'='.$lastaccess{$cid}.'&'; |
|
} |
|
if (&untie_domain_hash($hashref)) { |
|
if ($qresult) { |
|
chop($qresult); |
|
} |
|
&Reply($client, \$qresult, $userinput); |
|
} else { |
|
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
"while attempting lastacourseaccess\n", $userinput); |
|
} |
|
} else { |
|
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
"while attempting lastcourseaccess\n", $userinput); |
|
} |
|
return 1; |
|
} |
|
®ister_handler("courselastaccess",\&course_lastaccess_handler, 0, 1, 0); |
|
|
# |
# |
# Puts an unencrypted entry in a namespace db file at the domain level |
# Puts an unencrypted entry in a namespace db file at the domain level |
# |
# |
Line 4052 sub put_domain_handler {
|
Line 4252 sub put_domain_handler {
|
} |
} |
®ister_handler("putdom", \&put_domain_handler, 0, 1, 0); |
®ister_handler("putdom", \&put_domain_handler, 0, 1, 0); |
|
|
# |
|
# Puts a piece of new data in a namespace db file at the domain level |
|
# returns error if key already exists |
|
# |
|
# Parameters: |
|
# $cmd - The command that got us here. |
|
# $tail - Tail of the command (remaining parameters). |
|
# $client - File descriptor connected to client. |
|
# Returns |
|
# 0 - Requested to exit, caller should shut down. |
|
# 1 - Continue processing. |
|
# Side effects: |
|
# reply is written to $client. |
|
# |
|
sub newput_domain_handler { |
|
my ($cmd, $tail, $client) = @_; |
|
|
|
my $userinput = "$cmd:$tail"; |
|
|
|
my ($udom,$namespace,$what) =split(/:/,$tail,3); |
|
chomp($what); |
|
my $hashref = &tie_domain_hash($udom, "$namespace", &GDBM_WRCREAT(), |
|
"N", $what); |
|
if(!$hashref) { |
|
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
"while attempting newputdom\n", $userinput); |
|
return 1; |
|
} |
|
|
|
my @pairs=split(/\&/,$what); |
|
foreach my $pair (@pairs) { |
|
my ($key,$value)=split(/=/,$pair); |
|
if (exists($hashref->{$key})) { |
|
&Failure($client, "key_exists: ".$key."\n",$userinput); |
|
return 1; |
|
} |
|
} |
|
|
|
foreach my $pair (@pairs) { |
|
my ($key,$value)=split(/=/,$pair); |
|
$hashref->{$key}=$value; |
|
} |
|
|
|
if (&untie_domain_hash($hashref)) { |
|
&Reply( $client, "ok\n", $userinput); |
|
} else { |
|
&Failure($client, "error: ".($!+0)." untie(GDBM) failed ". |
|
"while attempting newputdom\n", |
|
$userinput); |
|
} |
|
return 1; |
|
} |
|
®ister_handler("newputdom", \&newput_domain_handler, 0, 1, 0); |
|
|
|
# Unencrypted get from the namespace database file at the domain level. |
# Unencrypted get from the namespace database file at the domain level. |
# This function retrieves a keyed item from a specific named database in the |
# This function retrieves a keyed item from a specific named database in the |
# domain directory. |
# domain directory. |
Line 4156 sub get_domain_handler {
|
Line 4302 sub get_domain_handler {
|
®ister_handler("getdom", \&get_domain_handler, 0, 1, 0); |
®ister_handler("getdom", \&get_domain_handler, 0, 1, 0); |
|
|
# |
# |
# Deletes a key in a user profile database. |
|
# |
|
# Parameters: |
|
# $cmd - Command keyword (deldom). |
|
# $tail - Command tail. IN this case a colon |
|
# separated list containing: |
|
# the domain to which the database file belongs; |
|
# the namespace (name of the database file); |
|
# & separated list of keys to delete. |
|
# $client - File open on client socket. |
|
# Returns: |
|
# 1 - Continue processing |
|
# 0 - Exit server. |
|
# |
|
# |
|
sub delete_domain_entry { |
|
my ($cmd, $tail, $client) = @_; |
|
|
|
my $userinput = "cmd:$tail"; |
|
|
|
my ($udom,$namespace,$what) = split(/:/,$tail); |
|
chomp($what); |
|
my $hashref = &tie_domain_hash($udom, $namespace, &GDBM_WRCREAT(), |
|
"D",$what); |
|
if ($hashref) { |
|
my @keys=split(/\&/,$what); |
|
foreach my $key (@keys) { |
|
delete($hashref->{$key}); |
|
} |
|
if (&untie_user_hash($hashref)) { |
|
&Reply($client, "ok\n", $userinput); |
|
} else { |
|
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
"while attempting deldom\n", $userinput); |
|
} |
|
} else { |
|
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
"while attempting deldom\n", $userinput); |
|
} |
|
return 1; |
|
} |
|
®ister_handler("deldom", \&delete_domain_entry, 0, 1, 0); |
|
|
|
# |
|
# Puts an id to a domains id database. |
# Puts an id to a domains id database. |
# |
# |
# Parameters: |
# Parameters: |
Line 4296 sub get_id_handler {
|
Line 4398 sub get_id_handler {
|
} |
} |
®ister_handler("idget", \&get_id_handler, 0, 1, 0); |
®ister_handler("idget", \&get_id_handler, 0, 1, 0); |
|
|
sub dump_dom_with_regexp { |
|
my ($cmd, $tail, $client) = @_; |
|
my $userinput = "$cmd:$tail"; |
|
my ($udom,$namespace,$regexp,$range)=split(/:/,$tail); |
|
if (defined($regexp)) { |
|
$regexp=&unescape($regexp); |
|
} else { |
|
$regexp='.'; |
|
} |
|
my ($start,$end); |
|
if (defined($range)) { |
|
if ($range =~/^(\d+)\-(\d+)$/) { |
|
($start,$end) = ($1,$2); |
|
} elsif ($range =~/^(\d+)$/) { |
|
($start,$end) = (0,$1); |
|
} else { |
|
undef($range); |
|
} |
|
} |
|
my $hashref = &tie_domain_hash($udom, $namespace, &GDBM_READER()); |
|
if ($hashref) { |
|
my $qresult=''; |
|
my $count=0; |
|
while (my ($key,$value) = each(%$hashref)) { |
|
if ($regexp eq '.') { |
|
$count++; |
|
if (defined($range) && $count >= $end) { last; } |
|
if (defined($range) && $count < $start) { next; } |
|
$qresult.=$key.'='.$value.'&'; |
|
} else { |
|
my $unescapeKey = &unescape($key); |
|
if (eval('$unescapeKey=~/$regexp/')) { |
|
$count++; |
|
if (defined($range) && $count >= $end) { last; } |
|
if (defined($range) && $count < $start) { next; } |
|
$qresult.="$key=$value&"; |
|
} |
|
} |
|
} |
|
if (&untie_user_hash($hashref)) { |
|
chop($qresult); |
|
&Reply($client, \$qresult, $userinput); |
|
} else { |
|
&Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
"while attempting dump\n", $userinput); |
|
} |
|
} else { |
|
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
"while attempting dump\n", $userinput); |
|
} |
|
return 1; |
|
} |
|
®ister_handler("dumpdom", \&dump_dom_with_regexp, 0, 1, 0); |
|
|
|
# |
# |
# Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database |
# Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database |
# |
# |
Line 4870 sub enrollment_enabled_handler {
|
Line 4918 sub enrollment_enabled_handler {
|
®ister_handler("autorun", \&enrollment_enabled_handler, 0, 1, 0); |
®ister_handler("autorun", \&enrollment_enabled_handler, 0, 1, 0); |
|
|
# |
# |
# Validate an institutional code use for a LON-CAPA course. |
# Validate an institutional code used for a LON-CAPA course. |
# |
# |
# Formal Parameters: |
# Formal Parameters: |
# $cmd - The command request that got us dispatched. |
# $cmd - The command request that got us dispatched. |
# $tail - The tail of the command. In this case, |
# $tail - The tail of the command. In this case, |
# this is a colon separated set of words that will be split |
# this is a colon separated set of words that will be split |
# into: |
# into: |
# $inst_course_id - The institutional cod3 from the |
# $dom - The domain for which the check of |
# institutions point of view. |
# institutional course code will occur. |
# $cdom - The domain from the institutions |
# |
# point of view. |
# $instcode - The institutional code for the course |
|
# being requested, or validated for rights |
|
# to request. |
|
# |
|
# $owner - The course requestor (who will be the |
|
# course owner, in the form username:domain |
|
# |
# $client - Socket open on the client. |
# $client - Socket open on the client. |
# Returns: |
# Returns: |
# 1 - Indicating processing should continue. |
# 1 - Indicating processing should continue. |
Line 4889 sub validate_instcode_handler {
|
Line 4943 sub validate_instcode_handler {
|
my ($cmd, $tail, $client) = @_; |
my ($cmd, $tail, $client) = @_; |
my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
my ($dom,$instcode,$owner) = split(/:/, $tail); |
my ($dom,$instcode,$owner) = split(/:/, $tail); |
my $outcome=&localenroll::validate_instcode($dom,$instcode,$owner); |
$instcode = &unescape($instcode); |
&Reply($client, \$outcome, $userinput); |
$owner = &unescape($owner); |
|
my ($outcome,$description) = |
|
&localenroll::validate_instcode($dom,$instcode,$owner); |
|
my $result = &escape($outcome).'&'.&escape($description); |
|
&Reply($client, \$result, $userinput); |
|
|
return 1; |
return 1; |
} |
} |
Line 5099 sub retrieve_auto_file_handler {
|
Line 5157 sub retrieve_auto_file_handler {
|
} |
} |
®ister_handler("autoretrieve", \&retrieve_auto_file_handler, 0,1,0); |
®ister_handler("autoretrieve", \&retrieve_auto_file_handler, 0,1,0); |
|
|
|
sub crsreq_checks_handler { |
|
my ($cmd, $tail, $client) = @_; |
|
my $userinput = "$cmd:$tail"; |
|
my $dom = $tail; |
|
my $result; |
|
my @reqtypes = ('official','unofficial','community'); |
|
eval { |
|
local($SIG{__DIE__})='DEFAULT'; |
|
my %validations; |
|
my $response = &localenroll::crsreq_checks($dom,\@reqtypes, |
|
\%validations); |
|
if ($response eq 'ok') { |
|
foreach my $key (keys(%validations)) { |
|
$result .= &escape($key).'='.&Apache::lonnet::freeze_escape($validations{$key}).'&'; |
|
} |
|
$result =~ s/\&$//; |
|
} else { |
|
$result = 'error'; |
|
} |
|
}; |
|
if (!$@) { |
|
&Reply($client, \$result, $userinput); |
|
} else { |
|
&Failure($client,"unknown_cmd\n",$userinput); |
|
} |
|
return 1; |
|
} |
|
®ister_handler("autocrsreqchecks", \&crsreq_checks_handler, 0, 1, 0); |
|
|
|
sub validate_crsreq_handler { |
|
my ($cmd, $tail, $client) = @_; |
|
my $userinput = "$cmd:$tail"; |
|
my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist) = split(/:/, $tail); |
|
$instcode = &unescape($instcode); |
|
$owner = &unescape($owner); |
|
$crstype = &unescape($crstype); |
|
$inststatuslist = &unescape($inststatuslist); |
|
$instcode = &unescape($instcode); |
|
$instseclist = &unescape($instseclist); |
|
my $outcome; |
|
eval { |
|
local($SIG{__DIE__})='DEFAULT'; |
|
$outcome = &localenroll::validate_crsreq($dom,$owner,$crstype, |
|
$inststatuslist,$instcode, |
|
$instseclist); |
|
}; |
|
if (!$@) { |
|
&Reply($client, \$outcome, $userinput); |
|
} else { |
|
&Failure($client,"unknown_cmd\n",$userinput); |
|
} |
|
return 1; |
|
} |
|
®ister_handler("autocrsreqvalidation", \&validate_crsreq_handler, 0, 1, 0); |
|
|
# |
# |
# Read and retrieve institutional code format (for support form). |
# Read and retrieve institutional code format (for support form). |
# Formal Parameters: |
# Formal Parameters: |
Line 6205 $SIG{USR2} = \&UpdateHosts;
|
Line 6318 $SIG{USR2} = \&UpdateHosts;
|
|
|
# Read the host hashes: |
# Read the host hashes: |
&Apache::lonnet::load_hosts_tab(); |
&Apache::lonnet::load_hosts_tab(); |
|
my %iphost = &Apache::lonnet::get_iphost(1); |
|
|
my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
|
|
Line 6301 sub make_new_child {
|
Line 6415 sub make_new_child {
|
&ReadManagerTable(); |
&ReadManagerTable(); |
my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip)); |
my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip)); |
my $ismanager=($managers{$outsideip} ne undef); |
my $ismanager=($managers{$outsideip} ne undef); |
$clientname = "[unknonwn]"; |
$clientname = "[unknown]"; |
if($clientrec) { # Establish client type. |
if($clientrec) { # Establish client type. |
$ConnectionType = "client"; |
$ConnectionType = "client"; |
$clientname = (&Apache::lonnet::get_hosts_from_ip($outsideip))[-1]; |
$clientname = (&Apache::lonnet::get_hosts_from_ip($outsideip))[-1]; |
Line 6329 sub make_new_child {
|
Line 6443 sub make_new_child {
|
# |
# |
# If the remote is attempting a local init... give that a try: |
# If the remote is attempting a local init... give that a try: |
# |
# |
my ($i, $inittype) = split(/:/, $remotereq); |
(my $i, my $inittype, $clientversion) = split(/:/, $remotereq); |
|
|
# If the connection type is ssl, but I didn't get my |
# If the connection type is ssl, but I didn't get my |
# certificate files yet, then I'll drop back to |
# certificate files yet, then I'll drop back to |
Line 6349 sub make_new_child {
|
Line 6463 sub make_new_child {
|
} |
} |
|
|
if($inittype eq "local") { |
if($inittype eq "local") { |
|
$clientversion = $perlvar{'lonVersion'}; |
my $key = LocalConnection($client, $remotereq); |
my $key = LocalConnection($client, $remotereq); |
if($key) { |
if($key) { |
Debug("Got local key $key"); |
Debug("Got local key $key"); |
Line 6356 sub make_new_child {
|
Line 6471 sub make_new_child {
|
my $cipherkey = pack("H32", $key); |
my $cipherkey = pack("H32", $key); |
$cipher = new IDEA($cipherkey); |
$cipher = new IDEA($cipherkey); |
print $client "ok:local\n"; |
print $client "ok:local\n"; |
&logthis('<font color="green"' |
&logthis('<font color="green">' |
. "Successful local authentication </font>"); |
. "Successful local authentication </font>"); |
$keymode = "local" |
$keymode = "local" |
} else { |
} else { |
Line 6420 sub make_new_child {
|
Line 6535 sub make_new_child {
|
# ------------------------------------------------------------ Process requests |
# ------------------------------------------------------------ Process requests |
my $keep_going = 1; |
my $keep_going = 1; |
my $user_input; |
my $user_input; |
|
my $clienthost = &Apache::lonnet::hostname($clientname); |
|
my $clientserverhomeID = &Apache::lonnet::get_server_homeID($clienthost); |
|
$clienthomedom = &Apache::lonnet::host_domain($clientserverhomeID); |
while(($user_input = get_request) && $keep_going) { |
while(($user_input = get_request) && $keep_going) { |
alarm(120); |
alarm(120); |
Debug("Main: Got $user_input\n"); |
Debug("Main: Got $user_input\n"); |
Line 6578 sub rewrite_password_file {
|
Line 6696 sub rewrite_password_file {
|
|
|
# Returns the authorization type or nouser if there is no such user. |
# Returns the authorization type or nouser if there is no such user. |
# |
# |
sub get_auth_type |
sub get_auth_type { |
{ |
|
|
|
my ($domain, $user) = @_; |
my ($domain, $user) = @_; |
|
|
Debug("get_auth_type( $domain, $user ) \n"); |
Debug("get_auth_type( $domain, $user ) \n"); |
Line 6675 sub validate_user {
|
Line 6791 sub validate_user {
|
} else { |
} else { |
$validated = 0; |
$validated = 0; |
} |
} |
} |
} elsif ($howpwd eq "krb4") { # user is in kerberos 4 auth. domain. |
elsif ($howpwd eq "krb4") { # user is in kerberos 4 auth. domain. |
my $checkwithkrb5 = 0; |
if(! ($password =~ /$null/) ) { |
if ($dist =~/^fedora(\d+)$/) { |
my $k4error = &Authen::Krb4::get_pw_in_tkt($user, |
if ($1 > 11) { |
"", |
$checkwithkrb5 = 1; |
$contentpwd,, |
} |
'krbtgt', |
} elsif ($dist =~ /^suse([\d.]+)$/) { |
$contentpwd, |
if ($1 > 11.1) { |
1, |
$checkwithkrb5 = 1; |
$password); |
} |
if(!$k4error) { |
} |
$validated = 1; |
if ($checkwithkrb5) { |
} else { |
$validated = &krb5_authen($password,$null,$user,$contentpwd); |
$validated = 0; |
} else { |
&logthis('krb4: '.$user.', '.$contentpwd.', '. |
$validated = &krb4_authen($password,$null,$user,$contentpwd); |
&Authen::Krb4::get_err_txt($Authen::Krb4::error)); |
} |
} |
|
} else { |
|
$validated = 0; # Password has a match with null. |
|
} |
|
} elsif ($howpwd eq "krb5") { # User is in kerberos 5 auth. domain. |
} elsif ($howpwd eq "krb5") { # User is in kerberos 5 auth. domain. |
if(!($password =~ /$null/)) { # Null password not allowed. |
$validated = &krb5_authen($password,$null,$user,$contentpwd); |
my $krbclient = &Authen::Krb5::parse_name($user.'@' |
|
.$contentpwd); |
|
my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd; |
|
my $krbserver = &Authen::Krb5::parse_name($krbservice); |
|
my $credentials= &Authen::Krb5::cc_default(); |
|
$credentials->initialize(&Authen::Krb5::parse_name($user.'@' |
|
.$contentpwd)); |
|
my $krbreturn; |
|
if (exists(&Authen::Krb5::get_init_creds_password)) { |
|
$krbreturn = |
|
&Authen::Krb5::get_init_creds_password($krbclient,$password, |
|
$krbservice); |
|
$validated = (ref($krbreturn) eq 'Authen::Krb5::Creds'); |
|
} else { |
|
$krbreturn = |
|
&Authen::Krb5::get_in_tkt_with_password($krbclient,$krbserver, |
|
$password,$credentials); |
|
$validated = ($krbreturn == 1); |
|
} |
|
if (!$validated) { |
|
&logthis('krb5: '.$user.', '.$contentpwd.', '. |
|
&Authen::Krb5::error()); |
|
} |
|
} else { |
|
$validated = 0; |
|
} |
|
} elsif ($howpwd eq "localauth") { |
} elsif ($howpwd eq "localauth") { |
# Authenticate via installation specific authentcation method: |
# Authenticate via installation specific authentcation method: |
$validated = &localauth::localauth($user, |
$validated = &localauth::localauth($user, |
Line 6753 sub validate_user {
|
Line 6839 sub validate_user {
|
return $validated; |
return $validated; |
} |
} |
|
|
|
sub krb4_authen { |
|
my ($password,$null,$user,$contentpwd) = @_; |
|
my $validated = 0; |
|
if (!($password =~ /$null/) ) { # Null password not allowed. |
|
eval { |
|
require Authen::Krb4; |
|
}; |
|
if (!$@) { |
|
my $k4error = &Authen::Krb4::get_pw_in_tkt($user, |
|
"", |
|
$contentpwd,, |
|
'krbtgt', |
|
$contentpwd, |
|
1, |
|
$password); |
|
if(!$k4error) { |
|
$validated = 1; |
|
} else { |
|
$validated = 0; |
|
&logthis('krb4: '.$user.', '.$contentpwd.', '. |
|
&Authen::Krb4::get_err_txt($Authen::Krb4::error)); |
|
} |
|
} else { |
|
$validated = krb5_authen($password,$null,$user,$contentpwd); |
|
} |
|
} |
|
return $validated; |
|
} |
|
|
|
sub krb5_authen { |
|
my ($password,$null,$user,$contentpwd) = @_; |
|
my $validated = 0; |
|
if(!($password =~ /$null/)) { # Null password not allowed. |
|
my $krbclient = &Authen::Krb5::parse_name($user.'@' |
|
.$contentpwd); |
|
my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd; |
|
my $krbserver = &Authen::Krb5::parse_name($krbservice); |
|
my $credentials= &Authen::Krb5::cc_default(); |
|
$credentials->initialize(&Authen::Krb5::parse_name($user.'@' |
|
.$contentpwd)); |
|
my $krbreturn; |
|
if (exists(&Authen::Krb5::get_init_creds_password)) { |
|
$krbreturn = |
|
&Authen::Krb5::get_init_creds_password($krbclient,$password, |
|
$krbservice); |
|
$validated = (ref($krbreturn) eq 'Authen::Krb5::Creds'); |
|
} else { |
|
$krbreturn = |
|
&Authen::Krb5::get_in_tkt_with_password($krbclient,$krbserver, |
|
$password,$credentials); |
|
$validated = ($krbreturn == 1); |
|
} |
|
if (!$validated) { |
|
&logthis('krb5: '.$user.', '.$contentpwd.', '. |
|
&Authen::Krb5::error()); |
|
} |
|
} |
|
return $validated; |
|
} |
|
|
sub addline { |
sub addline { |
my ($fname,$hostid,$ip,$newline)=@_; |
my ($fname,$hostid,$ip,$newline)=@_; |
Line 7123 sub sethost {
|
Line 7268 sub sethost {
|
eq &Apache::lonnet::get_host_ip($hostid)) { |
eq &Apache::lonnet::get_host_ip($hostid)) { |
$currenthostid =$hostid; |
$currenthostid =$hostid; |
$currentdomainid=&Apache::lonnet::host_domain($hostid); |
$currentdomainid=&Apache::lonnet::host_domain($hostid); |
&logthis("Setting hostid to $hostid, and domain to $currentdomainid"); |
# &logthis("Setting hostid to $hostid, and domain to $currentdomainid"); |
} else { |
} else { |
&logthis("Requested host id $hostid not an alias of ". |
&logthis("Requested host id $hostid not an alias of ". |
$perlvar{'lonHostID'}." refusing connection"); |
$perlvar{'lonHostID'}." refusing connection"); |
Line 7138 sub version {
|
Line 7283 sub version {
|
return "version:$VERSION"; |
return "version:$VERSION"; |
} |
} |
|
|
|
sub get_usersession_config { |
|
my ($dom,$name) = @_; |
|
my ($usersessionconf,$cached)=&Apache::lonnet::is_cached_new($name,$dom); |
|
if (defined($cached)) { |
|
return $usersessionconf; |
|
} else { |
|
my %domconfig = &Apache::lonnet::get_dom('configuration',['usersessions'],$dom); |
|
if (ref($domconfig{'usersessions'}) eq 'HASH') { |
|
&Apache::lonnet::do_cache_new($name,$dom,$domconfig{'usersessions'},3600); |
|
return $domconfig{'usersessions'}; |
|
} |
|
} |
|
return; |
|
} |
|
|
|
sub get_courseinfo_hash { |
|
my ($cnum,$cdom,$home) = @_; |
|
my $hashid = $cdom.':'.$cnum; |
|
my ($courseinfo,$cached)=&Apache::lonnet::is_cached_new('courseinfo',$hashid); |
|
if (defined($cached)) { |
|
return $courseinfo; |
|
} else { |
|
my %info = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,1,[$home],'.'); |
|
if (ref($info{$cdom.'_'.$cnum}) eq 'HASH') { |
|
return &Apache::lonnet::do_cache_new('courseinfo',$hashid,$info{$cdom.'_'.$cnum},600); |
|
} |
|
} |
|
return; |
|
} |
|
|
# ----------------------------------- POD (plain old documentation, CPAN style) |
# ----------------------------------- POD (plain old documentation, CPAN style) |
|
|
Line 7873 string.
|
Line 8047 string.
|
|
|
=back |
=back |
|
|
|
=back |
|
|
|
|
=cut |
=cut |