loncom/lonnet/perl/lonnet.pm - diff

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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.201 and 1.216

version 1.201, 2002/02/14 20:44:26	version 1.216, 2002/05/08 17:40:03
Line 84 qw(%perlvar %hostname %homecache %hostip	Line 84 qw(%perlvar %hostname %homecache %hostip
use IO::Socket;	use IO::Socket;
use GDBM_File;	use GDBM_File;
use Apache::Constants qw(:common :http);	use Apache::Constants qw(:common :http);
use HTML::TokeParser;	use HTML::LCParser;
use Fcntl qw(:flock);	use Fcntl qw(:flock);
my $readit;	my $readit;

Line 137 sub subreply {	Line 137 sub subreply {

sub reply {	sub reply {
my ($cmd,$server)=@_;	my ($cmd,$server)=@_;
	unless (defined($hostname{$server})) { return 'no_such_host'; }
my $answer=subreply($cmd,$server);	my $answer=subreply($cmd,$server);
if ($answer eq 'con_lost') { $answer=subreply($cmd,$server); }	if ($answer eq 'con_lost') {
	sleep 5;
	$answer=subreply($cmd,$server);
	if ($answer eq 'con_lost') {
	&logthis("Second attempt con_lost on $server");
	my $peerfile="$perlvar{'lonSockDir'}/$server";
	my $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
	Type => SOCK_STREAM,
	Timeout => 10)
	or return "con_lost";
	&logthis("Killing socket");
	print $client "close_connection_exit\n";
	sleep 5;
	$answer=subreply($cmd,$server);
	}
	}
if (($answer=~/^refused/) \|\| ($answer=~/^rejected/)) {	if (($answer=~/^refused/) \|\| ($answer=~/^rejected/)) {
&logthis("<font color=blue>WARNING:".	&logthis("<font color=blue>WARNING:".
" $cmd to $server returned $answer</font>");	" $cmd to $server returned $answer</font>");
Line 348 sub spareserver {	Line 364 sub spareserver {
return $spareserver;	return $spareserver;
}	}

	# --------------------------------------------- Try to change a user's password

	sub changepass {
	my ($uname,$udom,$currentpass,$newpass,$server)=@_;
	$currentpass = &escape($currentpass);
	$newpass = &escape($newpass);
	my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass",
	$server);
	if (! $answer) {
	&logthis("No reply on password change request to $server ".
	"by $uname in domain $udom.");
	} elsif ($answer =~ "^ok") {
	&logthis("$uname in $udom successfully changed their password ".
	"on $server.");
	} elsif ($answer =~ "^pwchange_failure") {
	&logthis("$uname in $udom was unable to change their password ".
	"on $server. The action was blocked by either lcpasswd ".
	"or pwchange");
	} elsif ($answer =~ "^non_authorized") {
	&logthis("$uname in $udom did not get their password correct when ".
	"attempting to change it on $server.");
	} elsif ($answer =~ "^auth_mode_error") {
	&logthis("$uname in $udom attempted to change their password despite ".
	"not being locally or internally authenticated on $server.");
	} elsif ($answer =~ "^unknown_user") {
	&logthis("$uname in $udom attempted to change their password ".
	"on $server but were unable to because $server is not ".
	"their home server.");
	} elsif ($answer =~ "^refused") {
	&logthis("$server refused to change $uname in $udom password because ".
	"it was sent an unencrypted request to change the password.");
	}
	return $answer;
	}

# ----------------------- Try to determine user's current authentication scheme	# ----------------------- Try to determine user's current authentication scheme

sub queryauthenticate {	sub queryauthenticate {
Line 576 sub subscribe {	Line 627 sub subscribe {
sub repcopy {	sub repcopy {
my $filename=shift;	my $filename=shift;
$filename=~s/\/+/\//g;	$filename=~s/\/+/\//g;
	if ($filename=~/^\/home\/httpd\/html\/adm\//) { return OK; }
my $transname="$filename.in.transfer";	my $transname="$filename.in.transfer";
if ((-e $filename) \|\| (-e $transname)) { return OK; }	if ((-e $filename) \|\| (-e $transname)) { return OK; }
my $remoteurl=subscribe($filename);	my $remoteurl=subscribe($filename);
Line 862 sub devalidate {	Line 914 sub devalidate {
}	}
}	}

	sub arrayref2str {
	my ($arrayref) = @_;
	my $result='_ARRAY_REF__';
	foreach my $elem (@$arrayref) {
	if (ref($elem) eq 'ARRAY') {
	$result.=&escape(&arrayref2str($elem)).'&';
	} elsif (ref($elem) eq 'HASH') {
	$result.=&escape(&hashref2str($elem)).'&';
	} elsif (ref($elem)) {
	&logthis("Got a ref of ".(ref($elem))." skipping.");
	} else {
	$result.=&escape($elem).'&';
	}
	}
	$result=~s/\&$//;
	return $result;
	}

sub hash2str {	sub hash2str {
my (%hash)=@_;	my (%hash) = @_;
my $result='';	my $result=&hashref2str(\%hash);
foreach (keys %hash) { $result.=escape($_).'='.escape($hash{$_}).'&'; }	$result=~s/^_HASH_REF__//;
	return $result;
	}

	sub hashref2str {
	my ($hashref)=@_;
	my $result='_HASH_REF__';
	foreach (keys(%$hashref)) {
	if (ref($_) eq 'ARRAY') {
	$result.=&escape(&arrayref2str($_)).'=';
	} elsif (ref($_) eq 'HASH') {
	$result.=&escape(&hashref2str($_)).'=';
	} elsif (ref($_)) {
	&logthis("Got a ref of ".(ref($_))." skipping.");
	} else {
	$result.=&escape($_).'=';
	}

	if (ref($$hashref{$_}) eq 'ARRAY') {
	$result.=&escape(&arrayref2str($$hashref{$_})).'&';
	} elsif (ref($$hashref{$_}) eq 'HASH') {
	$result.=&escape(&hashref2str($$hashref{$_})).'&';
	} elsif (ref($$hashref{$_})) {
	&logthis("Got a ref of ".(ref($$hashref{$_}))." skipping.");
	} else {
	$result.=&escape($$hashref{$_}).'&';
	}
	}
$result=~s/\&$//;	$result=~s/\&$//;
return $result;	return $result;
}	}
Line 875 sub str2hash {	Line 972 sub str2hash {
my %returnhash;	my %returnhash;
foreach (split(/\&/,$string)) {	foreach (split(/\&/,$string)) {
my ($name,$value)=split(/\=/,$_);	my ($name,$value)=split(/\=/,$_);
$returnhash{&unescape($name)}=&unescape($value);	$name=&unescape($name);
	$value=&unescape($value);
	if ($value =~ /^_HASH_REF__/) {
	$value =~ s/^_HASH_REF__//;
	my %hash=&str2hash($value);
	$value=\%hash;
	} elsif ($value =~ /^_ARRAY_REF__/) {
	$value =~ s/^_ARRAY_REF__//;
	my @array=&str2array($value);
	$value=\@array;
	}
	$returnhash{$name}=$value;
}	}
return %returnhash;	return (%returnhash);
	}

	sub str2array {
	my ($string) = @_;
	my @returnarray;
	foreach my $value (split(/\&/,$string)) {
	$value=&unescape($value);
	if ($value =~ /^_HASH_REF__/) {
	$value =~ s/^_HASH_REF__//;
	my %hash=&str2hash($value);
	$value=\%hash;
	} elsif ($value =~ /^_ARRAY_REF__/) {
	$value =~ s/^_ARRAY_REF__//;
	my @array=&str2array($value);
	$value=\@array;
	}
	push(@returnarray,$value);
	}
	return (@returnarray);
}	}

# -------------------------------------------------------------------Temp Store	# -------------------------------------------------------------------Temp Store
Line 1012 sub store {	Line 1139 sub store {

if ($stuname) { $home=&homeserver($stuname,$domain); }	if ($stuname) { $home=&homeserver($stuname,$domain); }

	$symb=&symbclean($symb);
if (!$symb) { unless ($symb=&symbread()) { return ''; } }	if (!$symb) { unless ($symb=&symbread()) { return ''; } }

&devalidate($symb);	&devalidate($symb);
Line 1042 sub cstore {	Line 1170 sub cstore {

if ($stuname) { $home=&homeserver($stuname,$domain); }	if ($stuname) { $home=&homeserver($stuname,$domain); }

	$symb=&symbclean($symb);
if (!$symb) { unless ($symb=&symbread()) { return ''; } }	if (!$symb) { unless ($symb=&symbread()) { return ''; } }

&devalidate($symb);	&devalidate($symb);
Line 1077 sub restore {	Line 1206 sub restore {
if (!$symb) {	if (!$symb) {
unless ($symb=escape(&symbread())) { return ''; }	unless ($symb=escape(&symbread())) { return ''; }
} else {	} else {
$symb=&escape($symb);	$symb=&escape(&symbclean($symb));
}	}
if (!$namespace) {	if (!$namespace) {
unless ($namespace=$ENV{'request.course.id'}) {	unless ($namespace=$ENV{'request.course.id'}) {
Line 1733 sub modifyuserauth {	Line 1862 sub modifyuserauth {

# --------------------------------------------------------------- Modify a user	# --------------------------------------------------------------- Modify a user


sub modifyuser {	sub modifyuser {
my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,	my ($udom, $uname, $uid,
$forceid)=@_;	$umode, $upass, $first,
	$middle, $last, $gene,
	$forceid, $desiredhome)=@_;
$udom=~s/\W//g;	$udom=~s/\W//g;
$uname=~s/\W//g;	$uname=~s/\W//g;
&logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '.	&logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '.
$umode.', '.$first.', '.$middle.', '.	$umode.', '.$first.', '.$middle.', '.
$last.', '.$gene.'(forceid: '.$forceid.') by '.	$last.', '.$gene.'(forceid: '.$forceid.')'.
$ENV{'user.name'}.' at '.$ENV{'user.domain'});	(defined($desiredhome) ? ' desiredhome = '.$desiredhome :
	' desiredhome not specified').
	' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'});
my $uhome=&homeserver($uname,$udom);	my $uhome=&homeserver($uname,$udom);
# ----------------------------------------------------------------- Create User	# ----------------------------------------------------------------- Create User
if (($uhome eq 'no_host') && ($umode) && ($upass)) {	if (($uhome eq 'no_host') && ($umode) && ($upass)) {
my $unhome='';	my $unhome='';
if ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $udom) {	if (defined($desiredhome) && $hostdom{$desiredhome} eq $udom) {
	$unhome = $desiredhome;
	} elsif($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $udom) {
$unhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};	$unhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};
} else {	} else { # load balancing routine for determining $unhome
my $tryserver;	my $tryserver;
my $loadm=10000000;	my $loadm=10000000;
foreach $tryserver (keys %libserv) {	foreach $tryserver (keys %libserv) {
Line 1763 sub modifyuser {	Line 1897 sub modifyuser {
}	}
}	}
if (($unhome eq '') \|\| ($unhome eq 'no_host')) {	if (($unhome eq '') \|\| ($unhome eq 'no_host')) {
return 'error: find home';	return 'error: unable to find a home server for '.$uname.
	' in domain '.$udom;
}	}
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':'.$umode.':'.	my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':'.$umode.':'.
&escape($upass),$unhome);	&escape($upass),$unhome);
Line 1774 sub modifyuser {	Line 1909 sub modifyuser {
if (($uhome eq '') \|\| ($uhome eq 'no_host') \|\| ($uhome ne $unhome)) {	if (($uhome eq '') \|\| ($uhome eq 'no_host') \|\| ($uhome ne $unhome)) {
return 'error: verify home';	return 'error: verify home';
}	}
}	} # End of creation of new user
# ---------------------------------------------------------------------- Add ID	# ---------------------------------------------------------------------- Add ID
if ($uid) {	if ($uid) {
$uid=~tr/A-Z/a-z/;	$uid=~tr/A-Z/a-z/;
Line 1792 sub modifyuser {	Line 1927 sub modifyuser {
my %names=&get('environment',	my %names=&get('environment',
['firstname','middlename','lastname','generation'],	['firstname','middlename','lastname','generation'],
$udom,$uname);	$udom,$uname);
	if ($names{'firstname'} =~ m/^error:.*/) { %names=(); }
if ($first) { $names{'firstname'} = $first; }	if ($first) { $names{'firstname'} = $first; }
if ($middle) { $names{'middlename'} = $middle; }	if ($middle) { $names{'middlename'} = $middle; }
if ($last) { $names{'lastname'} = $last; }	if ($last) { $names{'lastname'} = $last; }
Line 1809 sub modifyuser {	Line 1945 sub modifyuser {

sub modifystudent {	sub modifystudent {
my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,	my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,
$end,$start,$forceid)=@_;	$end,$start,$forceid,$desiredhome)=@_;
my $cid='';	my $cid='';
unless ($cid=$ENV{'request.course.id'}) {	unless ($cid=$ENV{'request.course.id'}) {
return 'not_in_class';	return 'not_in_class';
}	}
# --------------------------------------------------------------- Make the user	# --------------------------------------------------------------- Make the user
my $reply=&modifyuser	my $reply=&modifyuser
($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid);	($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid,
	$desiredhome);
unless ($reply eq 'ok') { return $reply; }	unless ($reply eq 'ok') { return $reply; }
my $uhome=&homeserver($uname,$udom);	my $uhome=&homeserver($uname,$udom);
if (($uhome eq '') \|\| ($uhome eq 'no_host')) {	if (($uhome eq '') \|\| ($uhome eq 'no_host')) {
Line 2255 sub metadata {	Line 2392 sub metadata {
my %metathesekeys=();	my %metathesekeys=();
unless ($filename=~/\.meta$/) { $filename.='.meta'; }	unless ($filename=~/\.meta$/) { $filename.='.meta'; }
my $metastring=&getfile($perlvar{'lonDocRoot'}.'/res/'.$filename);	my $metastring=&getfile($perlvar{'lonDocRoot'}.'/res/'.$filename);
my $parser=HTML::TokeParser->new(\$metastring);	my $parser=HTML::LCParser->new(\$metastring);
my $token;	my $token;
undef %metathesekeys;	undef %metathesekeys;
while ($token=$parser->get_token) {	while ($token=$parser->get_token) {
Line 2344 sub metadata {	Line 2481 sub metadata {
$metacache{$uri.':'.$unikey.'.'.$_}=$token->[2]->{$_};	$metacache{$uri.':'.$unikey.'.'.$_}=$token->[2]->{$_};
}	}
unless (	unless (
$metacache{$uri.':'.$unikey}=$parser->get_text('/'.$entry)	$metacache{$uri.':'.$unikey}=&HTML::Entities::decode($parser->get_text('/'.$entry))
) { $metacache{$uri.':'.$unikey}=	) { $metacache{$uri.':'.$unikey}=
$metacache{$uri.':'.$unikey.'.default'};	$metacache{$uri.':'.$unikey.'.default'};
}	}
Line 2382 sub symblist {	Line 2519 sub symblist {
return 'error';	return 'error';
}	}

	# --------------------------------------------------------------- Verify a symb

	sub symbverify {
	my ($symb,$thisfn)=@_;
	$thisfn=&declutter($thisfn);
	# direct jump to resource in page or to a sequence - will construct own symbs
	if ($thisfn=~/\.(page\|sequence)$/) { return 1; }
	# check URL part
	my ($map,$resid,$url)=split(/\_\_\_/,$symb);
	unless (&symbclean($url) eq &symbclean($thisfn)) { return 0; }

	$symb=&symbclean($symb);

	my %bighash;
	my $okay=0;
	if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
	&GDBM_READER,0640)) {
	my $ids=$bighash{'ids_/res/'.$thisfn};
	unless ($ids) {
	$ids=$bighash{'ids_/'.$thisfn};
	}
	if ($ids) {
	# ------------------------------------------------------------------- Has ID(s)
	foreach (split(/\,/,$ids)) {
	my ($mapid,$resid)=split(/\./,$_);
	if (
	&symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)
	eq $symb) {
	$okay=1;
	}
	}
	}
	untie(%bighash);
	}
	return $okay;
	}

	# --------------------------------------------------------------- Clean-up symb

	sub symbclean {
	my $symb=shift;

	# remove version from map
	$symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/;

	# remove version from URL
	$symb=~s/\.(\d+)\.(\w+)$/\.$2/;

	return $symb;
	}

# ------------------------------------------------------ Return symb list entry	# ------------------------------------------------------ Return symb list entry

sub symbread {	sub symbread {
my $thisfn=shift;	my $thisfn=shift;
unless ($thisfn) {	unless ($thisfn) {
if ($ENV{'request.symb'}) { return $ENV{'request.symb'}; }	if ($ENV{'request.symb'}) { return &symbclean($ENV{'request.symb'}); }
$thisfn=$ENV{'request.filename'};	$thisfn=$ENV{'request.filename'};
}	}
$thisfn=declutter($thisfn);	$thisfn=declutter($thisfn);
Line 2446 sub symbread {	Line 2634 sub symbread {
}	}
}	}
if ($syval) {	if ($syval) {
return $syval.'___'.$thisfn;	return &symbclean($syval.'___'.$thisfn);
}	}
}	}
&appenv('request.ambiguous' => $thisfn);	&appenv('request.ambiguous' => $thisfn);
Line 2585 sub unescape {	Line 2773 sub unescape {
# ================================================================ Main Program	# ================================================================ Main Program

sub goodbye {	sub goodbye {
	&logthis("Starting Shut down");
&flushcourselogs();	&flushcourselogs();
&logthis("Shutting down");	&logthis("Shutting down");
}	}
Line 2847 devalidate($symb) : devalidate spreadshe	Line 3036 devalidate($symb) : devalidate spreadshe
=item *	=item *

hash2str(%hash) : convert a hash into a string complete with escaping and '='	hash2str(%hash) : convert a hash into a string complete with escaping and '='
and '&' separators	and '&' separators, supports elements that are arrayrefs and hashrefs

	=item *

	hashref2str($hashref) : convert a hashref into a string complete with
	escaping and '=' and '&' separators, supports elements that are
	arrayrefs and hashrefs

	=item *

	arrayref2str($arrayref) : convert an arrayref into a string complete
	with escaping and '&' separators, supports elements that are arrayrefs
	and hashrefs

	=item *

	str2hash($string) : convert string to hash using unescaping and
	splitting on '=' and '&', supports elements that are arrayrefs and
	hashrefs

=item *	=item *

str2hash($string) : convert string to hash using unescaping and splitting on	str2array($string) : convert string to hash using unescaping and
'=' and '&'	splitting on '&', supports elements that are arrayrefs and hashrefs

=item *	=item *

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.201
changed lines
	Added in v.1.216