--- loncom/lond 2014/06/09 19:47:51 1.489.2.15
+++ loncom/lond 2012/07/17 14:49:39 1.494
@@ -2,7 +2,7 @@
# The LearningOnline Network
# lond "LON Daemon" Server (port "LOND" 5663)
#
-# $Id: lond,v 1.489.2.15 2014/06/09 19:47:51 raeburn Exp $
+# $Id: lond,v 1.494 2012/07/17 14:49:39 droeschl Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -61,7 +61,7 @@ my $DEBUG = 0; # Non zero to ena
my $status='';
my $lastlog='';
-my $VERSION='$Revision: 1.489.2.15 $'; #' stupid emacs
+my $VERSION='$Revision: 1.494 $'; #' stupid emacs
my $remoteVERSION;
my $currenthostid="default";
my $currentdomainid;
@@ -130,13 +130,32 @@ my @passwderrors = ("ok",
"pwchange_failure - lcpasswd Error filename is invalid");
+# The array below are lcuseradd error strings.:
+
+my $lastadderror = 13;
+my @adderrors = ("ok",
+ "User ID mismatch, lcuseradd must run as user www",
+ "lcuseradd Incorrect number of command line parameters must be 3",
+ "lcuseradd Incorrect number of stdinput lines, must be 3",
+ "lcuseradd Too many other simultaneous pwd changes in progress",
+ "lcuseradd User does not exist",
+ "lcuseradd Unable to make www member of users's group",
+ "lcuseradd Unable to su to root",
+ "lcuseradd Unable to set password",
+ "lcuseradd Username has invalid characters",
+ "lcuseradd Password has an invalid character",
+ "lcuseradd User already exists",
+ "lcuseradd Could not add user.",
+ "lcuseradd Password mismatch");
+
+
# This array are the errors from lcinstallfile:
my @installerrors = ("ok",
"Initial user id of client not that of www",
"Usage error, not enough command line arguments",
- "Source filename does not exist",
- "Destination filename does not exist",
+ "Source file name does not exist",
+ "Destination file name does not exist",
"Some file operation failed",
"Invalid table filename."
);
@@ -621,7 +640,7 @@ sub ConfigFileFromSelector {
# String to send to client ("ok" or "refused" if bad file).
#
sub PushFile {
- my $request = shift;
+ my $request = shift;
my ($command, $filename, $contents) = split(":", $request, 3);
&Debug("PushFile");
@@ -651,44 +670,6 @@ sub PushFile {
if($filename eq "host") {
$contents = AdjustHostContents($contents);
- } elsif ($filename eq 'dns_host' || $filename eq 'dns_domain') {
- if ($contents eq '') {
- &logthis('<font color="red"> Pushfile: unable to install '
- .$tablefile." - no data received from push. </font>");
- return 'error: push had no data';
- }
- if (&Apache::lonnet::get_host_ip($clientname)) {
- my $clienthost = &Apache::lonnet::hostname($clientname);
- if ($managers{$clientip} eq $clientname) {
- my $clientprotocol = $Apache::lonnet::protocol{$clientname};
- $clientprotocol = 'http' if ($clientprotocol ne 'https');
- my $url = '/adm/'.$filename;
- $url =~ s{_}{/};
- my $ua=new LWP::UserAgent;
- $ua->timeout(60);
- my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url");
- my $response=$ua->request($request);
- if ($response->is_error()) {
- &logthis('<font color="red"> Pushfile: unable to install '
- .$tablefile." - error attempting to pull data. </font>");
- return 'error: pull failed';
- } else {
- my $result = $response->content;
- chomp($result);
- unless ($result eq $contents) {
- &logthis('<font color="red"> Pushfile: unable to install '
- .$tablefile." - pushed data and pulled data differ. </font>");
- my $pushleng = length($contents);
- my $pullleng = length($result);
- if ($pushleng != $pullleng) {
- return "error: $pushleng vs $pullleng bytes";
- } else {
- return "error: mismatch push and pull";
- }
- }
- }
- }
- }
}
# Install the new file:
@@ -1723,14 +1704,8 @@ sub read_lonnet_global {
sub server_devalidatecache_handler {
my ($cmd,$tail,$client) = @_;
my $userinput = "$cmd:$tail";
- my $items = &unescape($tail);
- my @cached = split(/\&/,$items);
- foreach my $key (@cached) {
- if ($key =~ /:/) {
- my ($name,$id) = map { &unescape($_); } split(/:/,$key);
- &Apache::lonnet::devalidate_cache_new($name,$id);
- }
- }
+ my ($name,$id) = map { &unescape($_); } split(/:/,$tail);
+ &Apache::lonnet::devalidate_cache_new($name,$id);
my $result = 'ok';
&Reply($client,\$result,$userinput);
return 1;
@@ -1932,12 +1907,8 @@ sub authenticate_handler {
if (ref($hostedsession) eq 'HASH') {
$hosted = $hostedsession->{'hosted'};
}
- my $loncaparev = $clientversion;
- if ($loncaparev eq '') {
- $loncaparev = $Apache::lonnet::loncaparevs{$clientname};
- }
$canhost = &Apache::lonnet::can_host_session($udom,$clientname,
- $loncaparev,
+ $clientversion,
$remote,$hosted);
}
}
@@ -2160,9 +2131,10 @@ sub change_authentication_handler {
my $passfilename = &password_path($udom, $uname);
if ($passfilename) { # Not allowed to create a new user!!
# If just changing the unix passwd. need to arrange to run
- # passwd since otherwise make_passwd_file will fail as
- # creation of unix authenticated users is no longer supported
- # except from the command line, when running make_domain_coordinator.pl
+ # passwd since otherwise make_passwd_file will run
+ # lcuseradd which fails if an account already exists
+ # (to prevent an unscrupulous LONCAPA admin from stealing
+ # an existing account by overwriting it as a LonCAPA account).
if(($oldauth =~/^unix/) && ($umode eq "unix")) {
my $result = &change_unix_password($uname, $npass);
@@ -2180,8 +2152,15 @@ sub change_authentication_handler {
# re-run manage_permissions for that role in order to be able
# to take ownership of the construction space back to www:www
#
-
-
+
+
+ if( (($oldauth =~ /^unix/) && ($umode eq "internal")) ||
+ (($oldauth =~ /^internal/) && ($umode eq "unix")) ) {
+ if(&is_author($udom, $uname)) {
+ &Debug(" Need to manage author permissions...");
+ &manage_permissions("/$udom/_au", $udom, $uname, "$umode:");
+ }
+ }
&Reply($client, \$result, $userinput);
}
@@ -2391,24 +2370,6 @@ sub fetch_user_file_handler {
unlink($transname);
&Failure($client, "failed\n", $userinput);
} else {
- if ($fname =~ /^default.+\.(page|sequence)$/) {
- my ($major,$minor) = split(/\./,$clientversion);
- if (($major < 2) || ($major == 2 && $minor < 11)) {
- my $now = time;
- &Apache::lonnet::do_cache_new('crschange',$udom.'_'.$uname,$now,600);
- my $key = &escape('internal.contentchange');
- my $what = "$key=$now";
- my $hashref = &tie_user_hash($udom,$uname,'environment',
- &GDBM_WRCREAT(),"P",$what);
- if ($hashref) {
- $hashref->{$key}=$now;
- if (!&untie_user_hash($hashref)) {
- &logthis("error: ".($!+0)." untie (GDBM) failed ".
- "when updating internal.contentchange");
- }
- }
- }
- }
&Reply($client, "ok\n", $userinput);
}
}
@@ -3215,6 +3176,17 @@ sub get_profile_keys {
sub dump_profile_database {
my ($cmd, $tail, $client) = @_;
+ my $res = LONCAPA::Lond::dump_profile_database($tail);
+
+ if ($res =~ /^error:/) {
+ Failure($client, \$res, "$cmd:$tail");
+ } else {
+ Reply($client, \$res, "$cmd:$tail");
+ }
+
+ return 1;
+
+ #TODO remove
my $userinput = "$cmd:$tail";
my ($udom,$uname,$namespace) = split(/:/,$tail);
@@ -3294,11 +3266,11 @@ sub dump_with_regexp {
my ($cmd, $tail, $client) = @_;
my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
-
+
if ($res =~ /^error:/) {
- &Failure($client, \$res, "$cmd:$tail");
+ Failure($client, \$res, "$cmd:$tail");
} else {
- &Reply($client, \$res, "$cmd:$tail");
+ Reply($client, \$res, "$cmd:$tail");
}
return 1;
@@ -3868,9 +3840,7 @@ sub put_course_id_hash_handler {
# creationcontext - include courses created in specified context
#
# domcloner - flag to indicate if user can create CCs in course's domain.
-# If so, ability to clone course is automatic.
-# hasuniquecode - filter by courses for which a six character unique code has
-# been set.
+# If so, ability to clone course is automatic.
#
# $client - The socket open on the client.
# Returns:
@@ -3879,12 +3849,23 @@ sub put_course_id_hash_handler {
# a reply is written to $client.
sub dump_course_id_handler {
my ($cmd, $tail, $client) = @_;
+
+ my $res = LONCAPA::Lond::dump_course_id_handler($tail);
+ if ($res =~ /^error:/) {
+ Failure($client, \$res, "$cmd:$tail");
+ } else {
+ Reply($client, \$res, "$cmd:$tail");
+ }
+
+ return 1;
+
+ #TODO remove
my $userinput = "$cmd:$tail";
my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
$typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden,
$caller,$cloner,$cc_clone_list,$cloneonly,$createdbefore,$createdafter,
- $creationcontext,$domcloner,$hasuniquecode) =split(/:/,$tail);
+ $creationcontext,$domcloner) =split(/:/,$tail);
my $now = time;
my ($cloneruname,$clonerudom,%cc_clone);
if (defined($description)) {
@@ -3957,9 +3938,6 @@ sub dump_course_id_handler {
} else {
$creationcontext = '.';
}
- unless ($hasuniquecode) {
- $hasuniquecode = '.';
- }
my $unpack = 1;
if ($description eq '.' && $instcodefilter eq '.' && $ownerfilter eq '.' &&
$typefilter eq '.') {
@@ -4048,9 +4026,6 @@ sub dump_course_id_handler {
$selfenroll_end = $items->{'selfenroll_end_date'};
$created = $items->{'created'};
$context = $items->{'context'};
- if ($hasuniquecode ne '.') {
- next unless ($items->{'uniquecode'});
- }
if ($selfenrollonly) {
next if (!$selfenroll_types);
if (($selfenroll_end > 0) && ($selfenroll_end <= $now)) {
@@ -4473,49 +4448,6 @@ sub get_id_handler {
}
®ister_handler("idget", \&get_id_handler, 0, 1, 0);
-# Deletes one or more ids in a domain's id database.
-#
-# Parameters:
-# $cmd - Command keyword (iddel).
-# $tail - Command tail. In this case a colon
-# separated list containing:
-# The domain for which we are deleting the id(s).
-# &-separated list of id(s) to delete.
-# $client - File open on client socket.
-# Returns:
-# 1 - Continue processing
-# 0 - Exit server.
-#
-#
-
-sub del_id_handler {
- my ($cmd,$tail,$client) = @_;
-
- my $userinput = "$cmd:$tail";
-
- my ($udom,$what)=split(/:/,$tail);
- chomp($what);
- my $hashref = &tie_domain_hash($udom, "ids", &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 iddel\n", $userinput);
- }
- } else {
- &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
- "while attempting iddel\n", $userinput);
- }
- return 1;
-}
-®ister_handler("iddel", \&del_id_handler, 0, 1, 0);
-
#
# Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database
#
@@ -5064,10 +4996,9 @@ sub validate_instcode_handler {
my ($dom,$instcode,$owner) = split(/:/, $tail);
$instcode = &unescape($instcode);
$owner = &unescape($owner);
- my ($outcome,$description,$credits) =
+ my ($outcome,$description) =
&localenroll::validate_instcode($dom,$instcode,$owner);
- my $result = &escape($outcome).'&'.&escape($description).'&'.
- &escape($credits);
+ my $result = &escape($outcome).'&'.&escape($description);
&Reply($client, \$result, $userinput);
return 1;
@@ -5283,7 +5214,7 @@ sub crsreq_checks_handler {
my $userinput = "$cmd:$tail";
my $dom = $tail;
my $result;
- my @reqtypes = ('official','unofficial','community','textbook');
+ my @reqtypes = ('official','unofficial','community');
eval {
local($SIG{__DIE__})='DEFAULT';
my %validations;
@@ -5310,20 +5241,19 @@ sub crsreq_checks_handler {
sub validate_crsreq_handler {
my ($cmd, $tail, $client) = @_;
my $userinput = "$cmd:$tail";
- my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$customdata) = split(/:/, $tail);
+ my ($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 $custominfo = &Apache::lonnet::thaw_unescape($customdata);
my $outcome;
eval {
local($SIG{__DIE__})='DEFAULT';
$outcome = &localenroll::validate_crsreq($dom,$owner,$crstype,
$inststatuslist,$instcode,
- $instseclist,$custominfo);
+ $instseclist);
};
if (!$@) {
&Reply($client, \$outcome, $userinput);
@@ -5334,53 +5264,6 @@ sub validate_crsreq_handler {
}
®ister_handler("autocrsreqvalidation", \&validate_crsreq_handler, 0, 1, 0);
-sub crsreq_update_handler {
- my ($cmd, $tail, $client) = @_;
- my $userinput = "$cmd:$tail";
- my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,$code,
- $accessstart,$accessend,$infohashref) =
- split(/:/, $tail);
- $crstype = &unescape($crstype);
- $action = &unescape($action);
- $ownername = &unescape($ownername);
- $ownerdomain = &unescape($ownerdomain);
- $fullname = &unescape($fullname);
- $title = &unescape($title);
- $code = &unescape($code);
- $accessstart = &unescape($accessstart);
- $accessend = &unescape($accessend);
- my $incoming = &Apache::lonnet::thaw_unescape($infohashref);
- my ($result,$outcome);
- eval {
- local($SIG{__DIE__})='DEFAULT';
- my %rtnhash;
- $outcome = &localenroll::crsreq_updates($cdom,$cnum,$crstype,$action,
- $ownername,$ownerdomain,$fullname,
- $title,$code,$accessstart,$accessend,
- $incoming,\%rtnhash);
- if ($outcome eq 'ok') {
- my @posskeys = qw(createdweb createdmsg queuedweb queuedmsg formitems reviewweb);
- foreach my $key (keys(%rtnhash)) {
- if (grep(/^\Q$key\E/,@posskeys)) {
- $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($rtnhash{$key}).'&';
- }
- }
- $result =~ s/\&$//;
- }
- };
- if (!$@) {
- if ($outcome eq 'ok') {
- &Reply($client, \$result, $userinput);
- } else {
- &Reply($client, "format_error\n", $userinput);
- }
- } else {
- &Failure($client,"unknown_cmd\n",$userinput);
- }
- return 1;
-}
-®ister_handler("autocrsrequpdate", \&crsreq_update_handler, 0, 1, 0);
-
#
# Read and retrieve institutional code format (for support form).
# Formal Parameters:
@@ -6088,6 +5971,18 @@ sub lcpasswdstrerror {
}
}
+#
+# Convert an error return code from lcuseradd to a string value:
+#
+sub lcuseraddstrerror {
+ my $ErrorCode = shift;
+ if(($ErrorCode < 0) || ($ErrorCode > $lastadderror)) {
+ return "lcuseradd - Unrecognized error code: ".$ErrorCode;
+ } else {
+ return $adderrors[$ErrorCode];
+ }
+}
+
# grabs exception and records it to log before exiting
sub catchexception {
my ($error)=@_;
@@ -6328,6 +6223,9 @@ sub Debug {
# reply - Text to send to client.
# request - Original request from client.
#
+#NOTE $reply must be terminated by exactly *one* \n. If $reply is a reference
+#this is done automatically ($$reply must not contain any \n in this case).
+#If $reply is a string the caller has to ensure this.
sub Reply {
my ($fd, $reply, $request) = @_;
if (ref($reply)) {
@@ -6574,9 +6472,7 @@ sub make_new_child {
#---------------------------------------------------- kerberos 5 initialization
&Authen::Krb5::init_context();
unless (($dist eq 'fedora5') || ($dist eq 'fedora4') ||
- ($dist eq 'fedora6') || ($dist eq 'suse9.3') ||
- ($dist eq 'suse12.2') || ($dist eq 'suse12.3') ||
- ($dist eq 'suse13.1')) {
+ ($dist eq 'fedora6') || ($dist eq 'suse9.3')) {
&Authen::Krb5::init_ets();
}
@@ -6621,13 +6517,14 @@ sub make_new_child {
#
# If the remote is attempting a local init... give that a try:
#
+ logthis("remotereq: $remotereq");
(my $i, my $inittype, $clientversion) = split(/:/, $remotereq);
- # For LON-CAPA 2.9, the client session will have sent its LON-CAPA
- # version when initiating the connection. For LON-CAPA 2.8 and older,
- # the version is retrieved from the global %loncaparevs in lonnet.pm.
- # $clientversion contains path to keyfile if $inittype eq 'local'
- # it's overridden below in this case
- $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
+ # For LON-CAPA 2.9, the client session will have sent its LON-CAPA
+ # version when initiating the connection. For LON-CAPA 2.8 and older,
+ # the version is retrieved from the global %loncaparevs in lonnet.pm.
+ # $clientversion contains path to keyfile if $inittype eq 'local'
+ # it's overridden below in this case
+ $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
# If the connection type is ssl, but I didn't get my
# certificate files yet, then I'll drop back to
@@ -7378,8 +7275,56 @@ sub make_passwd_file {
}
}
} elsif ($umode eq 'unix') {
- &logthis(">>>Attempt to create unix account blocked -- unix auth not available for new users.");
- $result="no_new_unix_accounts";
+ {
+ #
+ # Don't allow the creation of privileged accounts!!! that would
+ # be real bad!!!
+ #
+ my $uid = getpwnam($uname);
+ if((defined $uid) && ($uid == 0)) {
+ &logthis(">>>Attempt to create privileged account blocked");
+ return "no_priv_account_error\n";
+ }
+
+ my $execpath ="$perlvar{'lonDaemons'}/"."lcuseradd";
+
+ my $lc_error_file = $execdir."/tmp/lcuseradd".$$.".status";
+ {
+ &Debug("Executing external: ".$execpath);
+ &Debug("user = ".$uname.", Password =". $npass);
+ my $se = IO::File->new("|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log");
+ print $se "$uname\n";
+ print $se "$udom\n";
+ print $se "$npass\n";
+ print $se "$npass\n";
+ print $se "$lc_error_file\n"; # Status -> unique file.
+ }
+ if (-r $lc_error_file) {
+ &Debug("Opening error file: $lc_error_file");
+ my $error = IO::File->new("< $lc_error_file");
+ my $useraddok = <$error>;
+ $error->close;
+ unlink($lc_error_file);
+
+ chomp $useraddok;
+
+ if($useraddok > 0) {
+ my $error_text = &lcuseraddstrerror($useraddok);
+ &logthis("Failed lcuseradd: $error_text");
+ $result = "lcuseradd_failed:$error_text";
+ } else {
+ my $pf = IO::File->new(">$passfilename");
+ if($pf) {
+ print $pf "unix:\n";
+ } else {
+ $result = "pass_file_failed_error";
+ }
+ }
+ } else {
+ &Debug("Could not locate lcuseradd error: $lc_error_file");
+ $result="bug_lcuseradd_no_output_file";
+ }
+ }
} elsif ($umode eq 'none') {
{
my $pf = IO::File->new("> $passfilename");
@@ -7444,6 +7389,8 @@ sub get_usersession_config {
}
+
+
sub distro_and_arch {
return $dist.':'.$arch;
}
@@ -7655,7 +7602,7 @@ Place in B<logs/lond.log>
stores hash in namespace
-=item rolesput
+=item rolesputy
put a role into a user's environment
@@ -7772,6 +7719,8 @@ Authen::Krb5
=head1 COREQUISITES
+none
+
=head1 OSNAMES
linux
@@ -7859,9 +7808,9 @@ or the CA's certificate in the call to l
<error> is the textual reason this failed. Usual reasons:
=over 2
-
+
=item Apache config file for loncapa incorrect:
-
+
one of the variables
lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate
undefined or incorrect
@@ -7980,7 +7929,7 @@ Could not rewrite the
internal password file for a user
=item Result of password change for <user> : <result>
-
+
A unix password change for <user> was attempted
and the pipe returned <result>
@@ -8009,7 +7958,7 @@ lond has been asked to exit by its clien
client systemand <input> is the full exit command sent to the server.
=item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].
-
+
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,
<hostname> the host lond is working for, and <message> the reason the child died
@@ -8093,7 +8042,7 @@ file when sent it's USR1 signal. That p
assumed to be hung in some un-fixable way.
=item Finished checking children
-
+
Master processs's USR1 processing is cojmplete.
=item (Red) CRITICAL: ------- Starting ------
@@ -8107,7 +8056,7 @@ Started a new child process for <client>
connected to the child. This was as a result of a TCP/IP connection from a client.
=item Unable to determine who caller was, getpeername returned nothing
-
+
In child process initialization. either getpeername returned undef or
a zero sized object was returned. Processing continues, but in my opinion,
this should be cause for the child to exit.
@@ -8118,7 +8067,7 @@ In child process initialization. The pe
The client address is stored as "Unavailable" and processing continues.
=item (Yellow) INFO: Connection <ip> <name> connection type = <type>
-
+
In child initialization. A good connectionw as received from <ip>.
=over 2
@@ -8168,7 +8117,7 @@ The client (<client> is the peer's name
negotiated an SSL connection with this child process.
=item (Green) Successful insecure authentication with <client>
-
+
The client has successfully negotiated an insecure connection withthe child process.