Annotation of loncom/lonnet/perl/lonnet.pm, revision 1.16
1.1 albertel 1: # The LearningOnline Network
2: # TCP networking package
1.12 www 3: #
4: # Functions for use by content handlers:
5: #
6: # plaintext(short) : plain text explanation of short term
7: # allowed(short,url) : returns codes for allowed actions
8: # appendenv(hash) : adds hash to session environment
9: # store(hash) : stores hash permanently for this url
10: # restore : returns hash for this url
11: # eget(namesp,array) : returns hash with keys from array filled in from namesp
12: # get(namesp,array) : returns hash with keys from array filled in from namesp
13: # put(namesp,hash) : stores hash in namesp
1.15 www 14: # dump(namesp) : dumps the complete namespace into a hash
15: # ssi(url) : does a complete request cycle on url to localhost
1.12 www 16: #
1.1 albertel 17: # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30,
1.5 www 18: # 7/1,7/2,7/9,7/10,7/12,7/14,7/15,7/19,
1.8 www 19: # 11/8,11/16,11/18,11/22,11/23,12/22,
1.12 www 20: # 01/06,01/13,02/24,02/28,02/29,
21: # 03/01,03/02,03/06,03/07,03/13,
1.15 www 22: # 04/05,05/29,05/31,06/01,
23: # 06/05,06/26 Gerd Kortemeyer
24: # 06/26 Ben Tyszka
1.16 ! www 25: # 06/30 Gerd Kortemeyer
1.1 albertel 26:
27: package Apache::lonnet;
28:
29: use strict;
30: use Apache::File;
1.8 www 31: use LWP::UserAgent();
1.15 www 32: use HTTP::Headers;
1.11 www 33: use vars
34: qw(%perlvar %hostname %homecache %spareid %hostdom %libserv %pr %prp $readit);
1.1 albertel 35: use IO::Socket;
1.8 www 36: use Apache::Constants qw(:common :http);
1.1 albertel 37:
38: # --------------------------------------------------------------------- Logging
39:
40: sub logthis {
41: my $message=shift;
42: my $execdir=$perlvar{'lonDaemons'};
43: my $now=time;
44: my $local=localtime($now);
45: my $fh=Apache::File->new(">>$execdir/logs/lonnet.log");
46: print $fh "$local ($$): $message\n";
47: return 1;
48: }
49:
50: sub logperm {
51: my $message=shift;
52: my $execdir=$perlvar{'lonDaemons'};
53: my $now=time;
54: my $local=localtime($now);
55: my $fh=Apache::File->new(">>$execdir/logs/lonnet.perm.log");
56: print $fh "$now:$message:$local\n";
57: return 1;
58: }
59:
60: # -------------------------------------------------- Non-critical communication
61: sub subreply {
62: my ($cmd,$server)=@_;
63: my $peerfile="$perlvar{'lonSockDir'}/$server";
64: my $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
65: Type => SOCK_STREAM,
66: Timeout => 10)
67: or return "con_lost";
68: print $client "$cmd\n";
69: my $answer=<$client>;
1.9 www 70: if (!$answer) { $answer="con_lost"; }
1.1 albertel 71: chomp($answer);
72: return $answer;
73: }
74:
75: sub reply {
76: my ($cmd,$server)=@_;
77: my $answer=subreply($cmd,$server);
78: if ($answer eq 'con_lost') { $answer=subreply($cmd,$server); }
1.12 www 79: if (($answer=~/^error:/) || ($answer=~/^refused/) ||
80: ($answer=~/^rejected/)) {
81: &logthis("<font color=blue>WARNING:".
82: " $cmd to $server returned $answer</font>");
83: }
1.1 albertel 84: return $answer;
85: }
86:
87: # ----------------------------------------------------------- Send USR1 to lonc
88:
89: sub reconlonc {
90: my $peerfile=shift;
91: &logthis("Trying to reconnect for $peerfile");
92: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
93: if (my $fh=Apache::File->new("$loncfile")) {
94: my $loncpid=<$fh>;
95: chomp($loncpid);
96: if (kill 0 => $loncpid) {
97: &logthis("lonc at pid $loncpid responding, sending USR1");
98: kill USR1 => $loncpid;
99: sleep 1;
100: if (-e "$peerfile") { return; }
101: &logthis("$peerfile still not there, give it another try");
102: sleep 5;
103: if (-e "$peerfile") { return; }
1.12 www 104: &logthis(
105: "<font color=blue>WARNING: $peerfile still not there, giving up</font>");
1.1 albertel 106: } else {
1.12 www 107: &logthis(
108: "<font color=blue>WARNING:".
109: " lonc at pid $loncpid not responding, giving up</font>");
1.1 albertel 110: }
111: } else {
1.12 www 112: &logthis('<font color=blue>WARNING: lonc not running, giving up</font>');
1.1 albertel 113: }
114: }
115:
116: # ------------------------------------------------------ Critical communication
1.12 www 117:
1.1 albertel 118: sub critical {
119: my ($cmd,$server)=@_;
120: my $answer=reply($cmd,$server);
121: if ($answer eq 'con_lost') {
122: my $pingreply=reply('ping',$server);
123: &reconlonc("$perlvar{'lonSockDir'}/$server");
124: my $pongreply=reply('pong',$server);
125: &logthis("Ping/Pong for $server: $pingreply/$pongreply");
126: $answer=reply($cmd,$server);
127: if ($answer eq 'con_lost') {
128: my $now=time;
129: my $middlename=$cmd;
1.5 www 130: $middlename=substr($middlename,0,16);
1.1 albertel 131: $middlename=~s/\W//g;
132: my $dfilename=
133: "$perlvar{'lonSockDir'}/delayed/$now.$middlename.$server";
134: {
135: my $dfh;
136: if ($dfh=Apache::File->new(">$dfilename")) {
1.7 www 137: print $dfh "$cmd\n";
1.1 albertel 138: }
139: }
140: sleep 2;
141: my $wcmd='';
142: {
143: my $dfh;
144: if ($dfh=Apache::File->new("$dfilename")) {
145: $wcmd=<$dfh>;
146: }
147: }
148: chomp($wcmd);
1.7 www 149: if ($wcmd eq $cmd) {
1.12 www 150: &logthis("<font color=blue>WARNING: ".
151: "Connection buffer $dfilename: $cmd</font>");
1.1 albertel 152: &logperm("D:$server:$cmd");
153: return 'con_delayed';
154: } else {
1.12 www 155: &logthis("<font color=red>CRITICAL:"
156: ." Critical connection failed: $server $cmd</font>");
1.1 albertel 157: &logperm("F:$server:$cmd");
158: return 'con_failed';
159: }
160: }
161: }
162: return $answer;
163: }
164:
1.5 www 165: # ---------------------------------------------------------- Append Environment
166:
167: sub appenv {
1.6 www 168: my %newenv=@_;
169: my @oldenv;
170: {
171: my $fh;
172: unless ($fh=Apache::File->new("$ENV{'user.environment'}")) {
1.5 www 173: return 'error';
1.6 www 174: }
175: @oldenv=<$fh>;
176: }
177: for (my $i=0; $i<=$#oldenv; $i++) {
178: chomp($oldenv[$i]);
1.9 www 179: if ($oldenv[$i] ne '') {
180: my ($name,$value)=split(/=/,$oldenv[$i]);
181: $newenv{$name}=$value;
182: }
1.6 www 183: }
184: {
185: my $fh;
186: unless ($fh=Apache::File->new(">$ENV{'user.environment'}")) {
187: return 'error';
188: }
189: my $newname;
190: foreach $newname (keys %newenv) {
191: print $fh "$newname=$newenv{$newname}\n";
192: }
1.5 www 193: }
194: return 'ok';
195: }
1.1 albertel 196:
197: # ------------------------------ Find server with least workload from spare.tab
1.11 www 198:
1.1 albertel 199: sub spareserver {
200: my $tryserver;
201: my $spareserver='';
202: my $lowestserver=100;
203: foreach $tryserver (keys %spareid) {
204: my $answer=reply('load',$tryserver);
205: if (($answer =~ /\d/) && ($answer<$lowestserver)) {
206: $spareserver="http://$hostname{$tryserver}";
207: $lowestserver=$answer;
208: }
209: }
210: return $spareserver;
211: }
212:
213: # --------- Try to authenticate user from domain's lib servers (first this one)
1.11 www 214:
1.1 albertel 215: sub authenticate {
216: my ($uname,$upass,$udom)=@_;
1.12 www 217: $upass=escape($upass);
1.1 albertel 218: if (($perlvar{'lonRole'} eq 'library') &&
219: ($udom eq $perlvar{'lonDefDomain'})) {
1.3 www 220: my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'});
1.2 www 221: if ($answer =~ /authorized/) {
1.9 www 222: if ($answer eq 'authorized') {
223: &logthis("User $uname at $udom authorized by local server");
224: return $perlvar{'lonHostID'};
225: }
226: if ($answer eq 'non_authorized') {
227: &logthis("User $uname at $udom rejected by local server");
228: return 'no_host';
229: }
1.2 www 230: }
1.1 albertel 231: }
232:
233: my $tryserver;
234: foreach $tryserver (keys %libserv) {
235: if ($hostdom{$tryserver} eq $udom) {
1.10 www 236: my $answer=reply("encrypt:auth:$udom:$uname:$upass",$tryserver);
1.1 albertel 237: if ($answer =~ /authorized/) {
1.9 www 238: if ($answer eq 'authorized') {
239: &logthis("User $uname at $udom authorized by $tryserver");
240: return $tryserver;
241: }
242: if ($answer eq 'non_authorized') {
243: &logthis("User $uname at $udom rejected by $tryserver");
244: return 'no_host';
245: }
1.1 albertel 246: }
247: }
1.9 www 248: }
249: &logthis("User $uname at $udom could not be authenticated");
1.1 albertel 250: return 'no_host';
251: }
252:
253: # ---------------------- Find the homebase for a user from domain's lib servers
1.11 www 254:
1.1 albertel 255: sub homeserver {
256: my ($uname,$udom)=@_;
257:
258: my $index="$uname:$udom";
259: if ($homecache{$index}) { return "$homecache{$index}"; }
260:
261: my $tryserver;
262: foreach $tryserver (keys %libserv) {
263: if ($hostdom{$tryserver} eq $udom) {
264: my $answer=reply("home:$udom:$uname",$tryserver);
265: if ($answer eq 'found') {
266: $homecache{$index}=$tryserver;
267: return $tryserver;
268: }
269: }
270: }
271: return 'no_host';
272: }
273:
274: # ----------------------------- Subscribe to a resource, return URL if possible
1.11 www 275:
1.1 albertel 276: sub subscribe {
277: my $fname=shift;
278: my $author=$fname;
279: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
280: my ($udom,$uname)=split(/\//,$author);
281: my $home=homeserver($uname,$udom);
282: if (($home eq 'no_host') || ($home eq $perlvar{'lonHostID'})) {
283: return 'not_found';
284: }
285: my $answer=reply("sub:$fname",$home);
286: return $answer;
287: }
288:
1.8 www 289: # -------------------------------------------------------------- Replicate file
290:
291: sub repcopy {
292: my $filename=shift;
293: my $transname="$filename.in.transfer";
294: my $remoteurl=subscribe($filename);
295: if ($remoteurl eq 'con_lost') {
296: &logthis("Subscribe returned con_lost: $filename");
297: return HTTP_SERVICE_UNAVAILABLE;
298: } elsif ($remoteurl eq 'not_found') {
299: &logthis("Subscribe returned not_found: $filename");
300: return HTTP_NOT_FOUND;
301: } elsif ($remoteurl eq 'forbidden') {
302: &logthis("Subscribe returned forbidden: $filename");
303: return FORBIDDEN;
304: } else {
305: my @parts=split(/\//,$filename);
306: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
307: if ($path ne "$perlvar{'lonDocRoot'}/res") {
308: &logthis("Malconfiguration for replication: $filename");
309: return HTTP_BAD_REQUEST;
310: }
311: my $count;
312: for ($count=5;$count<$#parts;$count++) {
313: $path.="/$parts[$count]";
314: if ((-e $path)!=1) {
315: mkdir($path,0777);
316: }
317: }
318: my $ua=new LWP::UserAgent;
319: my $request=new HTTP::Request('GET',"$remoteurl");
320: my $response=$ua->request($request,$transname);
321: if ($response->is_error()) {
322: unlink($transname);
323: my $message=$response->status_line;
1.12 www 324: &logthis("<font color=blue>WARNING:"
325: ." LWP get: $message: $filename</font>");
1.8 www 326: return HTTP_SERVICE_UNAVAILABLE;
327: } else {
1.16 ! www 328: if ($remoteurl!~/\.meta$/) {
! 329: my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
! 330: my $mresponse=$ua->request($mrequest,$filename.'.meta');
! 331: if ($mresponse->is_error()) {
! 332: unlink($filename.'.meta');
! 333: &logthis(
! 334: "<font color=yellow>INFO: No metadata: $filename</font>");
! 335: }
! 336: }
1.8 www 337: rename($transname,$filename);
338: return OK;
339: }
340: }
341: }
342:
1.15 www 343: # --------------------------------------------------------- Server Side Include
344:
345: sub ssi {
346:
347: my $fn=shift;
348:
349: my $ua=new LWP::UserAgent;
350: my $request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn);
351: $request->header(Cookie => $ENV{'HTTP_COOKIE'});
352: my $response=$ua->request($request);
353:
354: return $response->content;
355: }
356:
357:
358:
359:
1.14 www 360: # ------------------------------------------------------------------------- Log
361:
362: sub log {
363: my ($dom,$nam,$hom,$what)=@_;
364: return reply("log:$dom:$nam:$what",$hom);
365: }
366:
1.9 www 367: # ----------------------------------------------------------------------- Store
368:
369: sub store {
370: my %storehash=shift;
1.12 www 371: my $namevalue='';
372: map {
373: $namevalue.=escape($_).'='.escape($storehash{$_}).'&';
374: } keys %storehash;
375: $namevalue=~s/\&$//;
376: return reply("store:$ENV{'user.domain'}:$ENV{'user.name'}:"
377: ."$ENV{'user.class'}:$ENV{'request.filename'}:$namevalue",
378: "$ENV{'user.home'}");
1.9 www 379: }
380:
381: # --------------------------------------------------------------------- Restore
382:
383: sub restore {
1.12 www 384: my $answer=reply("restore:$ENV{'user.domain'}:$ENV{'user.name'}:"
385: ."$ENV{'user.class'}:$ENV{'request.filename'}",
386: "$ENV{'user.home'}");
387: my %returnhash=();
388: map {
389: my ($name,$value)=split(/\=/,$_);
390: $returnhash{&unescape($name)}=&unescape($value);
391: } split(/\&/,$answer);
1.13 www 392: return %returnhash;
1.9 www 393: }
1.1 albertel 394:
1.11 www 395: # -------------------------------------------------------- Get user priviledges
396:
397: sub rolesinit {
398: my ($domain,$username,$authhost)=@_;
399: my $rolesdump=reply("dump:$domain:$username:roles",$authhost);
1.12 www 400: if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return ''; }
1.11 www 401: my %allroles=();
402: my %thesepriv=();
403: my $userroles='';
404: my $now=time;
405: my $thesestr;
406:
407: if ($rolesdump ne '') {
408: map {
1.12 www 409: if ($_!~/rolesdef\&/) {
1.11 www 410: my ($area,$role)=split(/=/,$_);
411: my ($trole,$tend,$tstart)=split(/_/,$role);
412: if ($tend!=0) {
413: if ($tend<$now) {
414: $trole='';
415: }
416: }
417: if ($tstart!=0) {
418: if ($tstart>$now) {
419: $trole='';
420: }
421: }
422: if (($area ne '') && ($trole ne '')) {
1.12 www 423: $userroles.='user.role.'.$trole.'.'.$area.'='.
424: $tstart.'.'.$tend."\n";
425: my ($tdummy,$tdomain,$trest)=split(/\//,$area);
426: if ($trole =~ /^cr\//) {
427: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole);
428: my $homsvr=homeserver($rauthor,$rdomain);
429: if ($hostname{$homsvr} ne '') {
430: my $roledef=
431: reply("get:$rdomain:$rauthor:roles:rolesdef&$rrole",
432: $homsvr);
433: if (($roledef ne 'con_lost') && ($roledef ne '')) {
434: my ($syspriv,$dompriv,$coursepriv)=
435: split(/&&/,$roledef);
436: $allroles{'/'}.=':'.$syspriv;
437: if ($tdomain ne '') {
438: $allroles{'/'.$tdomain.'/'}.=':'.$dompriv;
439: if ($trest ne '') {
440: $allroles{$area}.=':'.$coursepriv;
441: }
442: }
443: }
1.11 www 444: }
1.12 www 445: } else {
446: $allroles{'/'}.=':'.$pr{$trole.':s'};
447: if ($tdomain ne '') {
448: $allroles{'/'.$tdomain.'/'}.=':'.$pr{$trole.':d'};
449: if ($trest ne '') {
450: $allroles{$area}.=':'.$pr{$trole.':c'};
451: }
452: }
1.11 www 453: }
1.12 www 454: }
455: }
1.11 www 456: } split(/&/,$rolesdump);
457: map {
458: %thesepriv=();
459: map {
460: if ($_ ne '') {
461: my ($priviledge,$restrictions)=split(/&/,$_);
462: if ($restrictions eq '') {
463: $thesepriv{$priviledge}='F';
464: } else {
465: if ($thesepriv{$priviledge} ne 'F') {
466: $thesepriv{$priviledge}.=$restrictions;
467: }
468: }
469: }
470: } split(/:/,$allroles{$_});
471: $thesestr='';
472: map { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } keys %thesepriv;
473: $userroles.='user.priv.'.$_.'='.$thesestr."\n";
474: } keys %allroles;
475: }
476: return $userroles;
477: }
478:
1.12 www 479: # --------------------------------------------------------------- get interface
480:
481: sub get {
482: my ($namespace,@storearr)=@_;
483: my $items='';
484: map {
485: $items.=escape($_).'&';
486: } @storearr;
487: $items=~s/\&$//;
488: my $rep=reply("get:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace:$items",
489: $ENV{'user.home'});
1.15 www 490: my @pairs=split(/\&/,$rep);
491: my %returnhash=();
492: map {
493: my ($key,$value)=split(/=/,$_);
494: $returnhash{unespace($key)}=unescape($value);
495: } @pairs;
496: return %returnhash;
497: }
498:
499: # -------------------------------------------------------------- dump interface
500:
501: sub dump {
502: my $namespace=shift;
503: my $rep=reply("dump:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace",
504: $ENV{'user.home'});
1.12 www 505: my @pairs=split(/\&/,$rep);
506: my %returnhash=();
507: map {
508: my ($key,$value)=split(/=/,$_);
509: $returnhash{unespace($key)}=unescape($value);
510: } @pairs;
511: return %returnhash;
512: }
513:
514: # --------------------------------------------------------------- put interface
515:
516: sub put {
517: my ($namespace,%storehash)=@_;
518: my $items='';
519: map {
520: $items.=escape($_).'='.escape($storehash{$_}).'&';
521: } keys %storehash;
522: $items=~s/\&$//;
523: return reply("put:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace:$items",
524: $ENV{'user.home'});
525: }
526:
527: # -------------------------------------------------------------- eget interface
528:
529: sub eget {
530: my ($namespace,@storearr)=@_;
531: my $items='';
532: map {
533: $items.=escape($_).'&';
534: } @storearr;
535: $items=~s/\&$//;
536: my $rep=reply("eget:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace:$items",
537: $ENV{'user.home'});
538: my @pairs=split(/\&/,$rep);
539: my %returnhash=();
540: map {
541: my ($key,$value)=split(/=/,$_);
542: $returnhash{unespace($key)}=unescape($value);
543: } @pairs;
544: return %returnhash;
545: }
546:
547: # ------------------------------------------------- Check for a user priviledge
548:
549: sub allowed {
550: my ($priv,$uri)=@_;
551: $uri=~s/^\/res//;
552: $uri=~s/^\///;
1.14 www 553: if ($uri=~/^adm\//) {
554: return 'F';
555: }
1.12 www 556: my $thisallowed='';
557: if ($ENV{'user.priv./'}=~/$priv\&([^\:]*)/) {
558: $thisallowed.=$1;
559: }
560: if ($ENV{'user.priv./'.(split(/\//,$uri))[0].'/'}=~/$priv\&([^\:]*)/) {
561: $thisallowed.=$1;
562: }
563: if ($ENV{'user.priv./'.$uri}=~/$priv\&([^\:]*)/) {
564: $thisallowed.=$1;
565: }
566: return $thisallowed;
567: }
568:
569: # ----------------------------------------------------------------- Define Role
570:
571: sub definerole {
572: if (allowed('mcr','/')) {
573: my ($rolename,$sysrole,$domrole,$courole)=@_;
574: my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:".
575: "$ENV{'user.domain'}:$ENV{'user.name'}:".
576: "rolesdef&$rolename=$sysrole&&$domrole&&$courole";
577: return reply($command,$ENV{'user.home'});
578: } else {
579: return 'refused';
580: }
581: }
582:
583: # ------------------------------------------------------------------ Plain Text
584:
585: sub plaintext {
586: return $prp{$_};
587: }
588:
589: # ----------------------------------------------------------------- Assign Role
590:
591: sub assignrole {
592: }
593:
594: # -------------------------------------------------------- Escape Special Chars
595:
596: sub escape {
597: my $str=shift;
598: $str =~ s/(\W)/"%".unpack('H2',$1)/eg;
599: return $str;
600: }
601:
602: # ----------------------------------------------------- Un-Escape Special Chars
603:
604: sub unescape {
605: my $str=shift;
606: $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
607: return $str;
608: }
1.11 www 609:
1.1 albertel 610: # ================================================================ Main Program
611:
612: sub BEGIN {
613: if ($readit ne 'done') {
614: # ------------------------------------------------------------ Read access.conf
615: {
616: my $config=Apache::File->new("/etc/httpd/conf/access.conf");
617:
618: while (my $configline=<$config>) {
619: if ($configline =~ /PerlSetVar/) {
620: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
1.8 www 621: chomp($varvalue);
1.1 albertel 622: $perlvar{$varname}=$varvalue;
623: }
624: }
625: }
626:
627: # ------------------------------------------------------------- Read hosts file
628: {
629: my $config=Apache::File->new("$perlvar{'lonTabDir'}/hosts.tab");
630:
631: while (my $configline=<$config>) {
632: my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
633: $hostname{$id}=$name;
634: $hostdom{$id}=$domain;
635: if ($role eq 'library') { $libserv{$id}=$name; }
636: }
637: }
638:
639: # ------------------------------------------------------ Read spare server file
640: {
641: my $config=Apache::File->new("$perlvar{'lonTabDir'}/spare.tab");
642:
643: while (my $configline=<$config>) {
644: chomp($configline);
645: if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
646: $spareid{$configline}=1;
647: }
648: }
649: }
1.11 www 650: # ------------------------------------------------------------ Read permissions
651: {
652: my $config=Apache::File->new("$perlvar{'lonTabDir'}/roles.tab");
653:
654: while (my $configline=<$config>) {
655: chomp($configline);
656: my ($role,$perm)=split(/ /,$configline);
657: if ($perm ne '') { $pr{$role}=$perm; }
658: }
659: }
660:
661: # -------------------------------------------- Read plain texts for permissions
662: {
663: my $config=Apache::File->new("$perlvar{'lonTabDir'}/rolesplain.tab");
664:
665: while (my $configline=<$config>) {
666: chomp($configline);
667: my ($short,$plain)=split(/:/,$configline);
668: if ($plain ne '') { $prp{$short}=$plain; }
669: }
670: }
671:
1.1 albertel 672: $readit='done';
1.12 www 673: &logthis('<font color=yellow>INFO: Read configuration</font>');
1.1 albertel 674: }
675: }
676: 1;
1.11 www 677:
1.1 albertel 678:
679:
680:
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