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version 1.178.2.21, 2004/04/29 10:35:07
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version 1.190, 2004/05/11 19:51:49
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Line 20
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| # |
# |
| # You should have received a copy of the GNU General Public License |
# You should have received a copy of the GNU General Public License |
| # along with LON-CAPA; if not, write to the Free Software |
# along with LON-CAPA; if not, write to the Free Software |
| # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| # |
# |
| # /home/httpd/html/adm/gpl.txt |
# /home/httpd/html/adm/gpl.txt |
| # |
# |
|
Line 48 use localauth;
|
Line 48 use localauth;
|
| use File::Copy; |
use File::Copy; |
| use LONCAPA::ConfigFileEdit; |
use LONCAPA::ConfigFileEdit; |
| |
|
| my $DEBUG = 1; # Non zero to enable debug log entries. |
my $DEBUG = 0; # Non zero to enable debug log entries. |
| |
|
| my $status=''; |
my $status=''; |
| my $lastlog=''; |
my $lastlog=''; |
|
Line 62 my $client;
|
Line 62 my $client;
|
| my $clientip; |
my $clientip; |
| my $clientname; |
my $clientname; |
| |
|
| my $cipher; # Cipher key negotiated with client. |
|
| my $tmpsnum = 0;; # Id of tmpputs. |
|
| |
|
| my $server; |
my $server; |
| my $thisserver; |
my $thisserver; |
| |
|
|
Line 86 my %managers; # Ip -> manager names
|
Line 83 my %managers; # Ip -> manager names
|
| my %perlvar; # Will have the apache conf defined perl vars. |
my %perlvar; # Will have the apache conf defined perl vars. |
| |
|
| # |
# |
| # The hash below is used for command dispatching, and is therefore keyed on the request keyword. |
|
| # Each element of the hash contains a reference to an array that contains: |
|
| # A reference to a sub that executes the request corresponding to the keyword. |
|
| # A flag that is true if the request must be encoded to be acceptable. |
|
| # A mask with bits as follows: |
|
| # CLIENT_OK - Set when the function is allowed by ordinary clients |
|
| # MANAGER_OK - Set when the function is allowed to manager clients. |
|
| # |
|
| my $CLIENT_OK = 1; |
|
| my $MANAGER_OK = 2; |
|
| my %Dispatcher; |
|
| |
|
| # |
|
| # The array below are password error strings." |
# The array below are password error strings." |
| # |
# |
| my $lastpwderror = 13; # Largest error number from lcpasswd. |
my $lastpwderror = 13; # Largest error number from lcpasswd. |
|
Line 135 my @adderrors = ("ok",
|
Line 119 my @adderrors = ("ok",
|
| "lcuseradd Could not add user.", |
"lcuseradd Could not add user.", |
| "lcuseradd Password mismatch"); |
"lcuseradd Password mismatch"); |
| |
|
| # |
|
| # Statistics that are maintained and dislayed in the status line. |
|
| # |
|
| my $Transactions; # Number of attempted transactions. |
|
| my $Failures; # Number of transcations failed. |
|
| |
|
| # ResetStatistics: |
|
| # Resets the statistics counters: |
|
| # |
|
| sub ResetStatistics { |
|
| $Transactions = 0; |
|
| $Failures = 0; |
|
| } |
|
| |
|
| # |
|
| # Return true if client is a manager. |
|
| # |
|
| sub isManager { |
|
| return (($ConnectionType eq "manager") || ($ConnectionType eq "both")); |
|
| } |
|
| # |
|
| # Return tru if client can do client functions |
|
| # |
|
| sub isClient { |
|
| return (($ConnectionType eq "client") || ($ConnectionType eq "both")); |
|
| } |
|
| # |
|
| # Ties a domain level resource file to a hash. |
|
| # If requested a history entry is created in the associated hist file. |
|
| # |
|
| # Parameters: |
|
| # domain - Name of the domain in which the resource file lives. |
|
| # namespace - Name of the hash within that domain. |
|
| # how - How to tie the hash (e.g. GDBM_WRCREAT()). |
|
| # loghead - Optional parameter, if present a log entry is created |
|
| # in the associated history file and this is the first part |
|
| # of that entry. |
|
| # logtail - Goes along with loghead, The actual logentry is of the |
|
| # form $loghead:<timestamp>:logtail. |
|
| # Returns: |
|
| # Reference to a hash bound to the db file or alternatively undef |
|
| # if the tie failed. |
|
| # |
|
| sub TieDomainHash { |
|
| my $domain = shift; |
|
| my $namespace = shift; |
|
| my $how = shift; |
|
| |
|
| # Filter out any whitespace in the domain name: |
|
| |
|
| $domain =~ s/\W//g; |
|
| |
|
| # We have enough to go on to tie the hash: |
|
| |
|
| my $UserTopDir = $perlvar{'lonUsersDir'}; |
|
| my $DomainDir = $UserTopDir."/$domain"; |
|
| my $ResourceFile = $DomainDir."/$namespace.db"; |
|
| my %hash; |
|
| if(tie(%hash, 'GDBM_File', $ResourceFile, $how, 0640)) { |
|
| if (scalar @_) { # Need to log the operation. |
|
| my $logFh = IO::File->new(">>$DomainDir/$namespace.hist"); |
|
| if($logFh) { |
|
| my $TimeStamp = time; |
|
| my ($loghead, $logtail) = @_; |
|
| print $logFh "$loghead:$TimeStamp:$logtail\n"; |
|
| } |
|
| } |
|
| return \%hash; # Return the tied hash. |
|
| } |
|
| else { |
|
| return undef; # Tie failed. |
|
| } |
|
| } |
|
| |
|
| # |
|
| # Ties a user's resource file to a hash. |
|
| # If necessary, an appropriate history |
|
| # log file entry is made as well. |
|
| # This sub factors out common code from the subs that manipulate |
|
| # the various gdbm files that keep keyword value pairs. |
|
| # Parameters: |
|
| # domain - Name of the domain the user is in. |
|
| # user - Name of the 'current user'. |
|
| # namespace - Namespace representing the file to tie. |
|
| # how - What the tie is done to (e.g. GDBM_WRCREAT(). |
|
| # loghead - Optional first part of log entry if there may be a |
|
| # history file. |
|
| # what - Optional tail of log entry if there may be a history |
|
| # file. |
|
| # Returns: |
|
| # hash to which the database is tied. It's up to the caller to untie. |
|
| # undef if the has could not be tied. |
|
| # |
|
| sub TieUserHash { |
|
| my $domain = shift; |
|
| my $user = shift; |
|
| my $namespace = shift; |
|
| my $how = shift; |
|
| |
|
| $namespace=~s/\//\_/g; # / -> _ |
|
| $namespace=~s/\W//g; # whitespace eliminated. |
|
| my $proname = propath($domain, $user); |
|
| |
|
| # If this is a namespace for which a history is kept, |
|
| # make the history log entry: |
|
| |
|
| |
|
| unless ($namespace =~/^nohist\_/ && (scalar @_ > 0)) { |
|
| my $hfh = IO::File->new(">>$proname/$namespace.hist"); |
|
| if($hfh) { |
|
| my $now = time; |
|
| my $loghead = shift; |
|
| my $what = shift; |
|
| print $hfh "$loghead:$now:$what\n"; |
|
| } |
|
| } |
|
| # Tie the database. |
|
| |
|
| my %hash; |
|
| if(tie(%hash, 'GDBM_File', "$proname/$namespace.db", |
|
| $how, 0640)) { |
|
| return \%hash; |
|
| } |
|
| else { |
|
| return undef; |
|
| } |
|
| |
|
| } |
|
| |
|
| # |
|
| # Get a Request: |
|
| # Gets a Request message from the client. The transaction |
|
| # is defined as a 'line' of text. We remove the new line |
|
| # from the text line. |
|
| # |
|
| sub GetRequest { |
|
| my $input = <$client>; |
|
| chomp($input); |
|
| |
|
| Debug("Request = $input\n"); |
|
| |
|
| &status('Processing '.$clientname.':'.$input); |
|
| |
|
| return $input; |
|
| } |
|
| # |
|
| # Decipher encoded traffic |
|
| # Parameters: |
|
| # input - Encoded data. |
|
| # Returns: |
|
| # Decoded data or undef if encryption key was not yet negotiated. |
|
| # Implicit input: |
|
| # cipher - This global holds the negotiated encryption key. |
|
| # |
|
| sub Decipher { |
|
| my $input = shift; |
|
| my $output = ''; |
|
| |
|
| |
|
| if($cipher) { |
|
| my($enc, $enclength, $encinput) = split(/:/, $input); |
|
| for(my $encidx = 0; $encidx < length($encinput); $encidx += 16) { |
|
| $output .= |
|
| $cipher->decrypt(pack("H16", substr($encinput, $encidx, 16))); |
|
| } |
|
| return substr($output, 0, $enclength); |
|
| } else { |
|
| return undef; |
|
| } |
|
| } |
|
| |
|
| # |
|
| # Register a command processor. This function is invoked to register a sub |
|
| # to process a request. Once registered, the ProcessRequest sub can automatically |
|
| # dispatch requests to an appropriate sub, and do the top level validity checking |
|
| # as well: |
|
| # - Is the keyword recognized. |
|
| # - Is the proper client type attempting the request. |
|
| # - Is the request encrypted if it has to be. |
|
| # Parameters: |
|
| # $RequestName - Name of the request being registered. |
|
| # This is the command request that will match |
|
| # against the hash keywords to lookup the information |
|
| # associated with the dispatch information. |
|
| # $Procedure - Reference to a sub to call to process the request. |
|
| # All subs get called as follows: |
|
| # Procedure($cmd, $tail, $replyfd, $key) |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $replyfd- File descriptor connected to the client |
|
| # $MustEncode - True if the request must be encoded to be good. |
|
| # $ClientOk - True if it's ok for a client to request this. |
|
| # $ManagerOk - True if it's ok for a manager to request this. |
|
| # Side effects: |
|
| # - On success, the Dispatcher hash has an entry added for the key $RequestName |
|
| # - On failure, the program will die as it's a bad internal bug to try to |
|
| # register a duplicate command handler. |
|
| # |
|
| sub RegisterHandler { |
|
| my $RequestName = shift; |
|
| my $Procedure = shift; |
|
| my $MustEncode = shift; |
|
| my $ClientOk = shift; |
|
| my $ManagerOk = shift; |
|
| |
|
| # Don't allow duplication# |
|
| |
|
| if (defined $Dispatcher{$RequestName}) { |
|
| die "Attempting to define a duplicate request handler for $RequestName\n"; |
|
| } |
|
| # Build the client type mask: |
|
| |
|
| my $ClientTypeMask = 0; |
|
| if($ClientOk) { |
|
| $ClientTypeMask |= $CLIENT_OK; |
|
| } |
|
| if($ManagerOk) { |
|
| $ClientTypeMask |= $MANAGER_OK; |
|
| } |
|
| |
|
| # Enter the hash: |
|
| |
|
| my @entry = ($Procedure, $MustEncode, $ClientTypeMask); |
|
| |
|
| $Dispatcher{$RequestName} = \@entry; |
|
| |
|
| |
|
| } |
|
| |
|
| #--------------------- Request Handlers -------------------------------------------- |
|
| # |
|
| # By convention each request handler registers itself prior to the sub declaration: |
|
| # |
|
| |
|
| # Handles ping requests. |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $replyfd- File descriptor connected to the client |
|
| # Implicit Inputs: |
|
| # $currenthostid - Global variable that carries the name of the host we are |
|
| # known as. |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit. |
|
| # Side effects: |
|
| # Reply information is sent to the client. |
|
| |
|
| sub PingHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| Reply( $client,"$currenthostid\n","$cmd:$tail"); |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("ping", \&PingHandler, 0, 1, 1); # Ping unencoded, client or manager. |
|
| # |
|
| # Handles pong reequests: |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $replyfd- File descriptor connected to the client |
|
| # Implicit Inputs: |
|
| # $currenthostid - Global variable that carries the name of the host we are |
|
| # connected to. |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit. |
|
| # Side effects: |
|
| # Reply information is sent to the client. |
|
| |
|
| sub PongHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $replyfd = shift; |
|
| |
|
| my $reply=&reply("ping",$clientname); |
|
| Reply( $replyfd, "$currenthostid:$reply\n", "$cmd:$tail"); |
|
| return 1; |
|
| } |
|
| RegisterHandler("pong", \&PongHandler, 0, 1, 1); # Pong unencoded, client or manager |
|
| |
|
| # |
|
| # EstablishKeyHandler: |
|
| # Called to establish an encrypted session key with the remote client. |
|
| # |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $replyfd- File descriptor connected to the client |
|
| # Implicit Inputs: |
|
| # $currenthostid - Global variable that carries the name of the host |
|
| # known as. |
|
| # $clientname - Global variable that carries the name of the hsot we're connected to. |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit. |
|
| # Implicit Outputs: |
|
| # Reply information is sent to the client. |
|
| # $cipher is set with a reference to a new IDEA encryption object. |
|
| # |
|
| sub EstablishKeyHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $replyfd = shift; |
|
| |
|
| my $buildkey=time.$$.int(rand 100000); |
|
| $buildkey=~tr/1-6/A-F/; |
|
| $buildkey=int(rand 100000).$buildkey.int(rand 100000); |
|
| my $key=$currenthostid.$clientname; |
|
| $key=~tr/a-z/A-Z/; |
|
| $key=~tr/G-P/0-9/; |
|
| $key=~tr/Q-Z/0-9/; |
|
| $key=$key.$buildkey.$key.$buildkey.$key.$buildkey; |
|
| $key=substr($key,0,32); |
|
| my $cipherkey=pack("H32",$key); |
|
| $cipher=new IDEA $cipherkey; |
|
| Reply($replyfd, "$buildkey\n", "$cmd:$tail"); |
|
| |
|
| return 1; |
|
| |
|
| } |
|
| RegisterHandler("ekey", \&EstablishKeyHandler, 0, 1,1); |
|
| |
|
| # LoadHandler: |
|
| # Handler for the load command. Returns the current system load average |
|
| # to the requestor. |
|
| # |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $replyfd- File descriptor connected to the client |
|
| # Implicit Inputs: |
|
| # $currenthostid - Global variable that carries the name of the host |
|
| # known as. |
|
| # $clientname - Global variable that carries the name of the hsot we're connected to. |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit. |
|
| # Side effects: |
|
| # Reply information is sent to the client. |
|
| sub LoadHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $replyfd = shift; |
|
| |
|
| # Get the load average from /proc/loadavg and calculate it as a percentage of |
|
| # the allowed load limit as set by the perl global variable lonLoadLim |
|
| |
|
| my $loadavg; |
|
| my $loadfile=IO::File->new('/proc/loadavg'); |
|
| |
|
| $loadavg=<$loadfile>; |
|
| $loadavg =~ s/\s.*//g; # Extract the first field only. |
|
| |
|
| my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; |
|
| |
|
| Reply( $replyfd, "$loadpercent\n", "$cmd:$tail"); |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("load", \&LoadHandler, 0, 1, 0); |
|
| |
|
| |
|
| # |
|
| # Process the userload request. This sub returns to the client the current |
|
| # user load average. It can be invoked either by clients or managers. |
|
| # |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $replyfd- File descriptor connected to the client |
|
| # Implicit Inputs: |
|
| # $currenthostid - Global variable that carries the name of the host |
|
| # known as. |
|
| # $clientname - Global variable that carries the name of the hsot we're connected to. |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit |
|
| # Implicit inputs: |
|
| # whatever the userload() function requires. |
|
| # Implicit outputs: |
|
| # the reply is written to the client. |
|
| # |
|
| sub UserLoadHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $replyfd = shift; |
|
| |
|
| my $userloadpercent=&userload(); |
|
| Reply($replyfd, "$userloadpercent\n", "$cmd:$tail"); |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("userload", \&UserLoadHandler, 0, 1, 0); |
|
| |
|
| # Process a request for the authorization type of a user: |
|
| # (userauth). |
|
| # |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $replyfd- File descriptor connected to the client |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit |
|
| # Implicit outputs: |
|
| # The user authorization type is written to the client. |
|
| # |
|
| sub UserAuthorizationType { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $replyfd = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| # Pull the domain and username out of the command tail. |
|
| # and call GetAuthType to determine the authentication type. |
|
| |
|
| my ($udom,$uname)=split(/:/,$tail); |
|
| my $result = GetAuthType($udom, $uname); |
|
| if($result eq "nouser") { |
|
| Failure( $replyfd, "unknown_user\n", $userinput); |
|
| } else { |
|
| # |
|
| # We only want to pass the second field from GetAuthType |
|
| # for ^krb.. otherwise we'll be handing out the encrypted |
|
| # password for internals e.g. |
|
| # |
|
| my ($type,$otherinfo) = split(/:/,$result); |
|
| if($type =~ /^krb/) { |
|
| $type = $result; |
|
| } |
|
| Reply( $replyfd, "$type\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("currentauth", \&UserAuthorizationType, 1, 1, 0); |
|
| # |
|
| # Process a request by a manager to push a hosts or domain table |
|
| # to us. We pick apart the command and pass it on to the subs |
|
| # that already exist to do this. |
|
| # |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $client - File descriptor connected to the client |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit |
|
| # Implicit Output: |
|
| # a reply is written to the client. |
|
| |
|
| sub PushFileHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| # At this time we only know that the IP of our partner is a valid manager |
|
| # the code below is a hook to do further authentication (e.g. to resolve |
|
| # spoofing). |
|
| |
|
| my $cert = GetCertificate($userinput); |
|
| if(ValidManager($cert)) { |
|
| |
|
| # Now presumably we have the bona fides of both the peer host and the |
|
| # process making the request. |
|
| |
|
| my $reply = PushFile($userinput); |
|
| Reply($client, "$reply\n", $userinput); |
|
| |
|
| } else { |
|
| Failure( $client, "refused\n", $userinput); |
|
| } |
|
| } |
|
| RegisterHandler("pushfile", \&PushFileHandler, 1, 0, 1); |
|
| |
|
| |
|
| |
|
| # Process a reinit request. Reinit requests that either |
|
| # lonc or lond be reinitialized so that an updated |
|
| # host.tab or domain.tab can be processed. |
|
| # |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $client - File descriptor connected to the client |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit |
|
| # Implicit output: |
|
| # a reply is sent to the client. |
|
| # |
|
| sub ReinitProcessHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my $cert = GetCertificate($userinput); |
|
| if(ValidManager($cert)) { |
|
| chomp($userinput); |
|
| my $reply = ReinitProcess($userinput); |
|
| Reply( $client, "$reply\n", $userinput); |
|
| } else { |
|
| Failure( $client, "refused\n", $userinput); |
|
| } |
|
| return 1; |
|
| } |
|
| |
|
| RegisterHandler("reinit", \&ReinitProcessHandler, 1, 0, 1); |
|
| |
|
| # Process the editing script for a table edit operation. |
|
| # the editing operation must be encrypted and requested by |
|
| # a manager host. |
|
| # |
|
| # Parameters: |
|
| # $cmd - the actual keyword that invoked us. |
|
| # $tail - the tail of the request that invoked us. |
|
| # $client - File descriptor connected to the client |
|
| # Returns: |
|
| # 1 - Ok to continue processing. |
|
| # 0 - Program should exit |
|
| # Implicit output: |
|
| # a reply is sent to the client. |
|
| # |
|
| sub EditTableHandler { |
|
| my $command = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$command:$tail"; |
|
| |
|
| my $cert = GetCertificate($userinput); |
|
| if(ValidManager($cert)) { |
|
| my($filetype, $script) = split(/:/, $tail); |
|
| if (($filetype eq "hosts") || |
|
| ($filetype eq "domain")) { |
|
| if($script ne "") { |
|
| Reply($client, # BUGBUG - EditFile |
|
| EditFile($userinput), # could fail. |
|
| $userinput); |
|
| } else { |
|
| Failure($client,"refused\n",$userinput); |
|
| } |
|
| } else { |
|
| Failure($client,"refused\n",$userinput); |
|
| } |
|
| } else { |
|
| Failure($client,"refused\n",$userinput); |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("edit", \&EditTableHandler, 1, 0, 1); |
|
| |
|
| |
|
| # |
|
| # Authenticate a user against the LonCAPA authentication |
|
| # database. Note that there are several authentication |
|
| # possibilities: |
|
| # - unix - The user can be authenticated against the unix |
|
| # password file. |
|
| # - internal - The user can be authenticated against a purely |
|
| # internal per user password file. |
|
| # - kerberos - The user can be authenticated against either a kerb4 or kerb5 |
|
| # ticket granting authority. |
|
| # - user - The person tailoring LonCAPA can supply a user authentication |
|
| # mechanism that is per system. |
|
| # |
|
| # 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. |
|
| # Implicit inputs: |
|
| # The authentication systems describe above have their own forms of implicit |
|
| # input into the authentication process that are described above. |
|
| # |
|
| sub AuthenticateHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| # Regenerate the full input line |
|
| |
|
| my $userinput = $cmd.":".$tail; |
|
| |
|
| # udom - User's domain. |
|
| # uname - Username. |
|
| # upass - User's password. |
|
| |
|
| my ($udom,$uname,$upass)=split(/:/,$tail); |
|
| Debug(" Authenticate domain = $udom, user = $uname, password = $upass"); |
|
| chomp($upass); |
|
| $upass=unescape($upass); |
|
| |
|
| my $pwdcorrect = ValidateUser($udom, $uname, $upass); |
|
| if($pwdcorrect) { |
|
| Reply( $client, "authorized\n", $userinput); |
|
| # |
|
| # Bad credentials: Failed to authorize |
|
| # |
|
| } else { |
|
| Failure( $client, "non_authorized\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("auth", \&AuthenticateHandler, 1, 1, 0); |
|
| |
|
| # |
|
| # Change a user's password. Note that this function is complicated by |
|
| # the fact that a user may be authenticated in more than one way: |
|
| # At present, we are not able to change the password for all types of |
|
| # authentication methods. Only for: |
|
| # unix - unix password or shadow passoword style authentication. |
|
| # local - Locally written authentication mechanism. |
|
| # For now, kerb4 and kerb5 password changes are not supported and result |
|
| # in an error. |
|
| # FUTURE WORK: |
|
| # Support kerberos passwd changes? |
|
| # 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. |
|
| # Implicit inputs: |
|
| # The authentication systems describe above have their own forms of implicit |
|
| # input into the authentication process that are described above. |
|
| sub ChangePasswordHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = $cmd.":".$tail; # Reconstruct client's string. |
|
| |
|
| # |
|
| # udom - user's domain. |
|
| # uname - Username. |
|
| # upass - Current password. |
|
| # npass - New password. |
|
| |
|
| my ($udom,$uname,$upass,$npass)=split(/:/,$tail); |
|
| chomp($npass); |
|
| $upass=&unescape($upass); |
|
| $npass=&unescape($npass); |
|
| &Debug("Trying to change password for $uname"); |
|
| |
|
| # First require that the user can be authenticated with their |
|
| # old password: |
|
| |
|
| my $validated = ValidateUser($udom, $uname, $upass); |
|
| if($validated) { |
|
| my $realpasswd = GetAuthType($udom, $uname); # Defined since authd. |
|
| |
|
| my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
|
| if ($howpwd eq 'internal') { |
|
| &Debug("internal auth"); |
|
| my $salt=time; |
|
| $salt=substr($salt,6,2); |
|
| my $ncpass=crypt($npass,$salt); |
|
| if(RewritePwFile($udom, $uname, "internal:$ncpass")) { |
|
| &logthis("Result of password change for " |
|
| ."$uname: pwchange_success"); |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| &logthis("Unable to open $uname passwd " |
|
| ."to change password"); |
|
| Failure( $client, "non_authorized\n",$userinput); |
|
| } |
|
| } elsif ($howpwd eq 'unix') { |
|
| # Unix means we have to access /etc/password |
|
| &Debug("auth is unix"); |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| &Debug("Opening lcpasswd pipeline"); |
|
| my $pf = IO::File->new("|$execdir/lcpasswd > " |
|
| ."$perlvar{'lonDaemons'}" |
|
| ."/logs/lcpasswd.log"); |
|
| print $pf "$uname\n$npass\n$npass\n"; |
|
| close $pf; |
|
| my $err = $?; |
|
| my $result = ($err>0 ? 'pwchange_failure' : 'ok'); |
|
| &logthis("Result of password change for $uname: ". |
|
| &lcpasswdstrerror($?)); |
|
| Reply($client, "$result\n", $userinput); |
|
| } else { |
|
| # this just means that the current password mode is not |
|
| # one we know how to change (e.g the kerberos auth modes or |
|
| # locally written auth handler). |
|
| # |
|
| Reply( $client, "auth_mode_error\n", $userinput); |
|
| } |
|
| |
|
| } |
|
| else { |
|
| Reply( $client, "non_authorized\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("passwd", \&ChangePasswordHandler, 1, 1, 0); |
|
| |
|
| # |
|
| # Create a new user. User in this case means a lon-capa user. |
|
| # The user must either already exist in some authentication realm |
|
| # like kerberos or the /etc/passwd. If not, a user completely local to |
|
| # this loncapa system is created. |
|
| # |
|
| # 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. |
|
| # Implicit inputs: |
|
| # The authentication systems describe above have their own forms of implicit |
|
| # input into the authentication process that are described above. |
|
| sub AddUserHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my ($udom,$uname,$umode,$npass)=split(/:/,$tail); |
|
| my $userinput = $cmd.":".$tail; # Reconstruct the full request line. |
|
| |
|
| &Debug("cmd =".$cmd." $udom =".$udom." uname=".$uname); |
|
| |
|
| |
|
| if($udom eq $currentdomainid) { # Reject new users for other domains... |
|
| |
|
| my $oldumask=umask(0077); |
|
| chomp($npass); |
|
| $npass=&unescape($npass); |
|
| my $passfilename = PasswordPath($udom, $uname); |
|
| &Debug("Password file created will be:".$passfilename); |
|
| if (-e $passfilename) { |
|
| Failure( $client, "already_exists\n", $userinput); |
|
| } else { |
|
| my @fpparts=split(/\//,$passfilename); |
|
| my $fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2]; |
|
| my $fperror=''; |
|
| for (my $i=3;$i<= ($#fpparts-1);$i++) { |
|
| $fpnow.='/'.$fpparts[$i]; |
|
| unless (-e $fpnow) { |
|
| &logthis("mkdir $fpnow"); |
|
| unless (mkdir($fpnow,0777)) { |
|
| $fperror="error: ".($!+0)." mkdir failed while attempting " |
|
| ."makeuser"; |
|
| } |
|
| } |
|
| } |
|
| unless ($fperror) { |
|
| my $result=&make_passwd_file($uname, $umode,$npass, $passfilename); |
|
| Reply($client, $result, $userinput); #BUGBUG - could be fail |
|
| } else { |
|
| Failure($client, "$fperror\n", $userinput); |
|
| } |
|
| } |
|
| umask($oldumask); |
|
| } else { |
|
| Failure($client, "not_right_domain\n", |
|
| $userinput); # Even if we are multihomed. |
|
| |
|
| } |
|
| return 1; |
|
| |
|
| } |
|
| RegisterHandler("makeuser", \&AddUserHandler, 1, 1, 0); |
|
| |
|
| # |
|
| # Change the authentication method of a user. Note that this may |
|
| # also implicitly change the user's password if, for example, the user is |
|
| # joining an existing authentication realm. Known authentication realms at |
|
| # this time are: |
|
| # internal - Purely internal password file (only loncapa knows this user) |
|
| # local - Institutionally written authentication module. |
|
| # unix - Unix user (/etc/passwd with or without /etc/shadow). |
|
| # kerb4 - kerberos version 4 |
|
| # kerb5 - kerberos version 5 |
|
| # |
|
| # 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. |
|
| # Implicit inputs: |
|
| # The authentication systems describe above have their own forms of implicit |
|
| # input into the authentication process that are described above. |
|
| # |
|
| sub ChangeAuthenticationHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; # Reconstruct user input. |
|
| |
|
| my ($udom,$uname,$umode,$npass)=split(/:/,$tail); |
|
| &Debug("cmd = ".$cmd." domain= ".$udom."uname =".$uname." umode= ".$umode); |
|
| if ($udom ne $currentdomainid) { |
|
| Failure( $client, "not_right_domain\n", $client); |
|
| } else { |
|
| |
|
| chomp($npass); |
|
| |
|
| $npass=&unescape($npass); |
|
| my $passfilename = PasswordPath($udom, $uname); |
|
| if ($passfilename) { # Not allowed to create a new user!! |
|
| my $result=&make_passwd_file($uname, $umode,$npass,$passfilename); |
|
| Reply($client, $result, $userinput); |
|
| } else { |
|
| Failure($client, "non_authorized", $userinput); # Fail the user now. |
|
| } |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("changeuserauth", \&ChangeAuthenticationHandler, 1,1, 0); |
|
| |
|
| # |
|
| # Determines if this is the home server for a user. The home server |
|
| # for a user will have his/her lon-capa passwd file. Therefore all we need |
|
| # to do is determine if this file 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. |
|
| # Implicit inputs: |
|
| # The authentication systems describe above have their own forms of implicit |
|
| # input into the authentication process that are described above. |
|
| # |
|
| sub IsHomeHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname)=split(/:/,$tail); |
|
| chomp($uname); |
|
| my $passfile = PasswordFilename($udom, $uname); |
|
| if($passfile) { |
|
| Reply( $client, "found\n", $userinput); |
|
| } else { |
|
| Failure($client, "not_found\n", $userinput); |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("home", \&IsHomeHandler, 0,1,0); |
|
| # |
|
| # Process an update request for a resource?? I think what's going on here is |
|
| # that 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 |
|
| # cached copy of the resource. |
|
| # FUTURE WORK: |
|
| # I need to look at this logic carefully. My druthers would be to follow |
|
| # typical caching logic, and simple invalidate the cache, drop any subscription |
|
| # an let the next fetch start the ball rolling again... however that may |
|
| # actually be more difficult than it looks given the complex web of |
|
| # proxy servers. |
|
| # 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. |
|
| # Implicit inputs: |
|
| # The authentication systems describe above have their own forms of implicit |
|
| # input into the authentication process that are described above. |
|
| # |
|
| sub UpdateResourceHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my $fname=split(/:/,$tail); # This allows interactive testing |
|
| chomp($fname); # with telnet. |
|
| |
|
| my $ownership=ishome($fname); |
|
| if ($ownership eq 'not_owner') { |
|
| if (-e $fname) { |
|
| my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size, |
|
| $atime,$mtime,$ctime,$blksize,$blocks)=stat($fname); |
|
| my $now=time; |
|
| my $since=$now-$atime; |
|
| if ($since>$perlvar{'lonExpire'}) { |
|
| my $reply=&reply("unsub:$fname","$clientname"); |
|
| unlink("$fname"); |
|
| } else { |
|
| my $transname="$fname.in.transfer"; |
|
| my $remoteurl=&reply("sub:$fname","$clientname"); |
|
| my $response; |
|
| alarm(120); |
|
| { |
|
| my $ua=new LWP::UserAgent; |
|
| my $request=new HTTP::Request('GET',"$remoteurl"); |
|
| $response=$ua->request($request,$transname); |
|
| } |
|
| alarm(0); |
|
| if ($response->is_error()) { |
|
| unlink($transname); |
|
| my $message=$response->status_line; |
|
| &logthis("LWP GET: $message for $fname ($remoteurl)"); |
|
| } else { |
|
| if ($remoteurl!~/\.meta$/) { |
|
| alarm(120); |
|
| { |
|
| my $ua=new LWP::UserAgent; |
|
| my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta'); |
|
| my $mresponse=$ua->request($mrequest,$fname.'.meta'); |
|
| if ($mresponse->is_error()) { |
|
| unlink($fname.'.meta'); |
|
| } |
|
| } |
|
| alarm(0); |
|
| } |
|
| rename($transname,$fname); |
|
| } |
|
| } |
|
| Reply( $client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "not_found\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "rejected\n", $userinput); |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("update", \&UpdateResourceHandler, 0 ,1, 0); |
|
| |
|
| # |
|
| # Fetch a user file from a remote server: |
|
| # 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. |
|
| # |
|
| sub FetchUserFileHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| my $fname = $tail; |
|
| my ($udom,$uname,$ufile)=split(/\//,$fname); |
|
| my $udir=propath($udom,$uname).'/userfiles'; |
|
| unless (-e $udir) { |
|
| mkdir($udir,0770); |
|
| } |
|
| if (-e $udir) { |
|
| $ufile=~s/^[\.\~]+//; |
|
| $ufile=~s/\///g; |
|
| my $destname=$udir.'/'.$ufile; |
|
| my $transname=$udir.'/'.$ufile.'.in.transit'; |
|
| my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; |
|
| my $response; |
|
| alarm(120); |
|
| { |
|
| my $ua=new LWP::UserAgent; |
|
| my $request=new HTTP::Request('GET',"$remoteurl"); |
|
| $response=$ua->request($request,$transname); |
|
| } |
|
| alarm(0); |
|
| if ($response->is_error()) { |
|
| unlink($transname); |
|
| my $message=$response->status_line; |
|
| &logthis("LWP GET: $message for $fname ($remoteurl)"); |
|
| Failure($client, "failed\n", $userinput); |
|
| } else { |
|
| if (!rename($transname,$destname)) { |
|
| &logthis("Unable to move $transname to $destname"); |
|
| unlink($transname); |
|
| Failure($client, "failed\n", $userinput); |
|
| } else { |
|
| Reply($client, "ok\n", $userinput); |
|
| } |
|
| } |
|
| } else { |
|
| Failure($client, "not_home\n", $userinput); |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("fetchuserfile", \&FetchUserFileHandler, 0, 1, 0); |
|
| # |
|
| # Authenticate access to a user file. |
|
| # |
|
| # 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. |
|
| sub AuthenticateUserFileAccess { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($fname,$session)=split(/:/,$tail); |
|
| chomp($session); |
|
| my $reply='non_auth'; |
|
| if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'.$session.'.id')) { |
|
| while (my $line=<ENVIN>) { |
|
| if ($line=~/userfile\.$fname\=/) { |
|
| $reply='ok'; |
|
| } |
|
| } |
|
| close(ENVIN); |
|
| Reply($client, $reply."\n", $userinput); |
|
| } else { |
|
| Failure($client, "invalid_token\n", $userinput); |
|
| } |
|
| return 1; |
|
| |
|
| } |
|
| RegisterHandler("tokenauthuserfile", \&AuthenticateUserFileAccess, 0, 1, 0); |
|
| # |
|
| # Unsubscribe from a resource. |
|
| # |
|
| # 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. |
|
| # |
|
| sub UnsubscribeHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput= "$cmd:$tail"; |
|
| |
|
| my ($fname) = split(/:/,$tail); # This allows for interactive testing |
|
| # e.g. manual telnet and unsub:res: |
|
| # Otherwise the \r gets in the way. |
|
| chomp($fname); |
|
| Debug("Unsubscribing $fname"); |
|
| if (-e $fname) { |
|
| Debug("Exists"); |
|
| Reply($client, &unsub($fname,$clientip), $userinput); |
|
| } else { |
|
| Failure($client, "not_found\n", $userinput); |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("unsub", \&UnsubscribeHandler, 0, 1, 0); |
|
| |
|
| # Subscribe to a resource |
|
| # |
|
| # 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. |
|
| # |
|
| sub SubscribeHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| Reply( $client, &subscribe($userinput,$clientip), $userinput); |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("sub", \&SubscribeHandler, 0, 1, 0); |
|
| |
|
| # |
|
| # Determine the version of a resource (?) Or is it return |
|
| # the top version of the resource? Not yet clear from the |
|
| # code in currentversion. |
|
| # |
|
| # 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. |
|
| # |
|
| sub CurrentVersionHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput= "$cmd:$tail"; |
|
| |
|
| my $fname = $tail; |
|
| Reply( $client, ¤tversion($fname)."\n", $userinput); |
|
| return 1; |
|
| |
|
| } |
|
| RegisterHandler("currentversion", \&CurrentVersionHandler, 0, 1, 0); |
|
| |
|
| |
|
| # Make an entry in a user's activity log. |
|
| # |
|
| # 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. |
|
| # |
|
| sub ActivityLogEntryHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput= "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$what)=split(/:/,$tail); |
|
| chomp($what); |
|
| my $proname=propath($udom,$uname); |
|
| my $now=time; |
|
| my $hfh; |
|
| if ($hfh=IO::File->new(">>$proname/activity.log")) { |
|
| print $hfh "$now:$clientname:$what\n"; |
|
| Reply( $client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." IO::File->new Failed " |
|
| ."while attempting log\n", |
|
| $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("log", \&ActivityLogEntryHandler, 0, 1, 0); |
|
| # |
|
| # Put a namespace entry in a user profile hash. |
|
| # My druthers would be for this to be an encrypted interaction too. |
|
| # anything that might be an inadvertent covert channel about either |
|
| # user authentication or user personal information.... |
|
| # |
|
| # 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. |
|
| # |
|
| sub PutUserProfileEntry { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$namespace,$what) =split(/:/,$tail); |
|
| if ($namespace ne 'roles') { |
|
| chomp($what); |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_WRCREAT(),"P",$what); |
|
| if($hashref) { |
|
| my @pairs=split(/\&/,$what); |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| $hashref->{$key}=$value; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| Reply( $client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) failed ". |
|
| "while attempting put\n", |
|
| $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "error: ".($!)." tie(GDBM) Failed ". |
|
| "while attempting put\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "refused\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("put", \&PutUserProfileEntry, 0, 1, 0); |
|
| |
|
| # |
|
| # Increment a profile entry in the user history file. |
|
| # The history contains keyword value pairs. In this case, |
|
| # The value itself is a pair of numbers. The first, the current value |
|
| # the second an increment that this function applies to the current |
|
| # value. |
|
| # |
|
| # 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. |
|
| # |
|
| sub IncrementUserValueHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$namespace,$what) =split(/:/,$tail); |
|
| if ($namespace ne 'roles') { |
|
| chomp($what); |
|
| my $hashref = TieUserHash($udom, $uname, |
|
| $namespace, &GDBM_WRCREAT(), |
|
| "P",$what); |
|
| if ($hashref) { |
|
| my @pairs=split(/\&/,$what); |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| # We could check that we have a number... |
|
| if (! defined($value) || $value eq '') { |
|
| $value = 1; |
|
| } |
|
| $hashref->{$key}+=$value; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| Reply( $client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) failed ". |
|
| "while attempting inc\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting inc\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "refused\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("inc", \&IncrementUserValueHandler, 0, 1, 0); |
|
| # |
|
| # Put a new role for a user. Roles are LonCAPA's packaging of permissions. |
|
| # Each 'role' a user has implies a set of permissions. Adding a new role |
|
| # for a person grants the permissions packaged with that role |
|
| # to that user when the role is selected. |
|
| # |
|
| # Parameters: |
|
| # $cmd - The command string (rolesput). |
|
| # $tail - The remainder of the request line. For rolesput this |
|
| # consists of a colon separated list that contains: |
|
| # The domain and user that is granting the role (logged). |
|
| # The domain and user that is getting the role. |
|
| # The roles being granted as a set of & separated pairs. |
|
| # each pair a key value pair. |
|
| # $client - File descriptor connected to the client. |
|
| # Returns: |
|
| # 0 - If the daemon should exit |
|
| # 1 - To continue processing. |
|
| # |
|
| # |
|
| sub RolesPutHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ( $exedom, $exeuser, $udom, $uname, $what) = split(/:/,$tail); |
|
| |
|
| |
|
| my $namespace='roles'; |
|
| chomp($what); |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_WRCREAT(), "P", |
|
| "$exedom:$exeuser:$what"); |
|
| # |
|
| # Log the attempt to set a role. The {}'s here ensure that the file |
|
| # handle is open for the minimal amount of time. Since the flush |
|
| # is done on close this improves the chances the log will be an un- |
|
| # corrupted ordered thing. |
|
| if ($hashref) { |
|
| my @pairs=split(/\&/,$what); |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| &ManagePermissions($key, $udom, $uname, |
|
| &GetAuthType( $udom, $uname)); |
|
| $hashref->{$key}=$value; |
|
| } |
|
| if (untie($hashref)) { |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting rolesput\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting rolesput\n", $userinput); |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("rolesput", \&RolesPutHandler, 1,1,0); # Encoded client only. |
|
| # |
|
| # Deletes (removes) a role for a user. This is equivalent to removing |
|
| # a permissions package associated with the role from the user's profile. |
|
| # |
|
| # Parameters: |
|
| # $cmd - The command (rolesdel) |
|
| # $tail - The remainder of the request line. This consists |
|
| # of: |
|
| # The domain and user requesting the change (logged) |
|
| # The domain and user being changed. |
|
| # The roles being revoked. These are shipped to us |
|
| # as a bunch of & separated role name keywords. |
|
| # $client - The file handle open on the client. |
|
| # Returns: |
|
| # 1 - Continue processing |
|
| # 0 - Exit. |
|
| # |
|
| sub RolesDeleteHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($exedom,$exeuser,$udom,$uname,$what)=split(/:/,$tail); |
|
| &Debug("cmd = ".$cmd." exedom= ".$exedom."user = ".$exeuser." udom=".$udom. |
|
| "what = ".$what); |
|
| my $namespace='roles'; |
|
| chomp($what); |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_WRCREAT(), "D", |
|
| "$exedom:$exeuser:$what"); |
|
| |
|
| if ($hashref) { |
|
| my @rolekeys=split(/\&/,$what); |
|
| |
|
| foreach my $key (@rolekeys) { |
|
| delete $hashref->{$key}; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting rolesdel\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting rolesdel\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("rolesdel", \&RolesDeleteHandler, 1,1, 0); # Encoded client only |
|
| |
|
| # Unencrypted get from a user's profile database. See |
|
| # GetProfileEntryEncrypted for a version that does end-to-end encryption. |
|
| # This function retrieves a keyed item from a specific named database in the |
|
| # user's directory. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Command request keyword (get). |
|
| # $tail - Tail of the command. This is a colon separated list |
|
| # consisting of the domain and username that uniquely |
|
| # identifies the profile, |
|
| # The 'namespace' which selects the gdbm file to |
|
| # do the lookup in, |
|
| # & separated list of keys to lookup. Note that |
|
| # the values are returned as an & separated list too. |
|
| # $client - File descriptor open on the client. |
|
| # Returns: |
|
| # 1 - Continue processing. |
|
| # 0 - Exit. |
|
| # |
|
| sub GetProfileEntry { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput= "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$namespace,$what) = split(/:/,$tail); |
|
| chomp($what); |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_READER()); |
|
| if ($hashref) { |
|
| my @queries=split(/\&/,$what); |
|
| my $qresult=''; |
|
| |
|
| for (my $i=0;$i<=$#queries;$i++) { |
|
| $qresult.="$hashref->{$queries[$i]}&"; # Presumably failure gives empty string. |
|
| } |
|
| $qresult=~s/\&$//; # Remove trailing & from last lookup. |
|
| if (untie(%$hashref)) { |
|
| Reply($client, "$qresult\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting get\n", $userinput); |
|
| } |
|
| } else { |
|
| if ($!+0 == 2) { # +0 coerces errno -> number 2 is ENOENT |
|
| Failure($client, "error:No such file or ". |
|
| "GDBM reported bad block error\n", $userinput); |
|
| } else { # Some other undifferentiated err. |
|
| Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting get\n", $userinput); |
|
| } |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("get", \&GetProfileEntry, 0,1,0); |
|
| # |
|
| # Process the encrypted get request. Note that the request is sent |
|
| # in clear, but the reply is encrypted. This is a small covert channel: |
|
| # information about the sensitive keys is given to the snooper. Just not |
|
| # information about the values of the sensitive key. Hmm if I wanted to |
|
| # know these I'd snoop for the egets. Get the profile item names from them |
|
| # and then issue a get for them since there's no enforcement of the |
|
| # requirement of an encrypted get for particular profile items. If I |
|
| # were re-doing this, I'd force the request to be encrypted as well as the |
|
| # reply. I'd also just enforce encrypted transactions for all gets since |
|
| # that would prevent any covert channel snooping. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Command keyword of request (eget). |
|
| # $tail - Tail of the command. See GetProfileEntry
# for more information about this. |
|
| # $client - File open on the client. |
|
| # Returns: |
|
| # 1 - Continue processing |
|
| # 0 - server should exit. |
|
| sub GetProfileEntryEncrypted { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($cmd,$udom,$uname,$namespace,$what) = split(/:/,$userinput); |
|
| chomp($what); |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_READER()); |
|
| if ($hashref) { |
|
| my @queries=split(/\&/,$what); |
|
| my $qresult=''; |
|
| for (my $i=0;$i<=$#queries;$i++) { |
|
| $qresult.="$hashref->{$queries[$i]}&"; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| $qresult=~s/\&$//; |
|
| if ($cipher) { |
|
| my $cmdlength=length($qresult); |
|
| $qresult.=" "; |
|
| my $encqresult=''; |
|
| for(my $encidx=0;$encidx<=$cmdlength;$encidx+=8) { |
|
| $encqresult.= unpack("H16", |
|
| $cipher->encrypt(substr($qresult, |
|
| $encidx, |
|
| 8))); |
|
| } |
|
| Reply( $client, "enc:$cmdlength:$encqresult\n", $userinput); |
|
| } else { |
|
| Failure( $client, "error:no_key\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting eget\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting eget\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("eget", \&GetProfileEntryEncrypted, 0, 1, 0); |
|
| |
|
| # |
|
| # Deletes a key in a user profile database. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Command keyword (del). |
|
| # $tail - Command tail. IN this case a colon |
|
| # separated list containing: |
|
| # The domain and user that identifies uniquely |
|
| # the identity of the user. |
|
| # The profile namespace (name of the profile |
|
| # database file). |
|
| # & separated list of keywords to delete. |
|
| # $client - File open on client socket. |
|
| # Returns: |
|
| # 1 - Continue processing |
|
| # 0 - Exit server. |
|
| # |
|
| # |
|
| |
|
| sub DeleteProfileEntry { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$namespace,$what) = split(/:/,$tail); |
|
| chomp($what); |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_WRCREAT(), |
|
| "D",$what); |
|
| if ($hashref) { |
|
| my @keys=split(/\&/,$what); |
|
| foreach my $key (@keys) { |
|
| delete($hashref->{$key}); |
|
| } |
|
| if (untie(%$hashref)) { |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting del\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting del\n", $userinput); |
|
| } |
|
| return 1; |
|
| } |
|
| RegisterHandler("del", \&DeleteProfileEntry, 0, 1, 0); |
|
| # |
|
| # List the set of keys that are defined in a profile database file. |
|
| # A successful reply from this will contain an & separated list of |
|
| # the keys. |
|
| # Parameters: |
|
| # $cmd - Command request (keys). |
|
| # $tail - Remainder of the request, a colon separated |
|
| # list containing domain/user that identifies the |
|
| # user being queried, and the database namespace |
|
| # (database filename essentially). |
|
| # $client - File open on the client. |
|
| # Returns: |
|
| # 1 - Continue processing. |
|
| # 0 - Exit the server. |
|
| # |
|
| sub GetProfileKeys { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$namespace)=split(/:/,$tail); |
|
| my $qresult=''; |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_READER()); |
|
| if ($hashref) { |
|
| foreach my $key (keys %$hashref) { |
|
| $qresult.="$key&"; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| $qresult=~s/\&$//; |
|
| Reply($client, "$qresult\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting keys\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting keys\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("keys", \&GetProfileKeys, 0, 1, 0); |
|
| # |
|
| # Dump the contents of a user profile database. |
|
| # Note that this constitutes a very large covert channel too since |
|
| # the dump will return sensitive information that is not encrypted. |
|
| # The naive security assumption is that the session negotiation ensures |
|
| # our client is trusted and I don't believe that's assured at present. |
|
| # Sure want badly to go to ssl or tls. Of course if my peer isn't really |
|
| # a LonCAPA node they could have negotiated an encryption key too so >sigh<. |
|
| # |
|
| # Parameters: |
|
| # $cmd - The command request keyword (currentdump). |
|
| # $tail - Remainder of the request, consisting of a colon |
|
| # separated list that has the domain/username and |
|
| # the namespace to dump (database file). |
|
| # $client - file open on the remote client. |
|
| # Returns: |
|
| # 1 - Continue processing. |
|
| # 0 - Exit the server. |
|
| # |
|
| sub DumpProfileDatabase { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$namespace) = split(/:/,$tail); |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_READER()); |
|
| if ($hashref) { |
|
| # Structure of %data: |
|
| # $data{$symb}->{$parameter}=$value; |
|
| # $data{$symb}->{'v.'.$parameter}=$version; |
|
| # since $parameter will be unescaped, we do not |
|
| # have to worry about silly parameter names... |
|
| |
|
| my $qresult=''; |
|
| my %data = (); # A hash of anonymous hashes.. |
|
| while (my ($key,$value) = each(%$hashref)) { |
|
| my ($v,$symb,$param) = split(/:/,$key); |
|
| next if ($v eq 'version' || $symb eq 'keys'); |
|
| next if (exists($data{$symb}) && |
|
| exists($data{$symb}->{$param}) && |
|
| $data{$symb}->{'v.'.$param} > $v); |
|
| $data{$symb}->{$param}=$value; |
|
| $data{$symb}->{'v.'.$param}=$v; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| while (my ($symb,$param_hash) = each(%data)) { |
|
| while(my ($param,$value) = each (%$param_hash)){ |
|
| next if ($param =~ /^v\./); # Ignore versions... |
|
| # |
|
| # Just dump the symb=value pairs separated by & |
|
| # |
|
| $qresult.=$symb.':'.$param.'='.$value.'&'; |
|
| } |
|
| } |
|
| chop($qresult); |
|
| Reply($client , "$qresult\n", $userinput); |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting currentdump\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting currentdump\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("currentdump", \&DumpProfileDatabase, 0, 1, 0); |
|
| # |
|
| # Dump a profile database with an optional regular expression |
|
| # to match against the keys. In this dump, no effort is made |
|
| # to separate symb from version information. Presumably the |
|
| # databases that are dumped by this command are of a different |
|
| # structure. Need to look at this and improve the documentation of |
|
| # both this and the currentdump handler. |
|
| # Parameters: |
|
| # $cmd - The command keyword. |
|
| # $tail - All of the characters after the $cmd: |
|
| # These are expected to be a colon |
|
| # separated list containing: |
|
| # domain/user - identifying the user. |
|
| # namespace - identifying the database. |
|
| # regexp - optional regular expression |
|
| # that is matched against |
|
| # database keywords to do |
|
| # selective dumps. |
|
| # $client - Channel open on the client. |
|
| # Returns: |
|
| # 1 - Continue processing. |
|
| # Side effects: |
|
| # response is written to $client. |
|
| # |
|
| sub DumpWithRegexp { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$namespace,$regexp)=split(/:/,$tail); |
|
| if (defined($regexp)) { |
|
| $regexp=&unescape($regexp); |
|
| } else { |
|
| $regexp='.'; |
|
| } |
|
| my $hashref =TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_READER()); |
|
| if ($hashref) { |
|
| my $qresult=''; |
|
| while (my ($key,$value) = each(%$hashref)) { |
|
| if ($regexp eq '.') { |
|
| $qresult.=$key.'='.$value.'&'; |
|
| } else { |
|
| my $unescapeKey = &unescape($key); |
|
| if (eval('$unescapeKey=~/$regexp/')) { |
|
| $qresult.="$key=$value&"; |
|
| } |
|
| } |
|
| } |
|
| if (untie(%$hashref)) { |
|
| chop($qresult); |
|
| Reply($client, "$qresult\n", $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; |
|
| } |
|
| RegisterHandler("dump", \&DumpWithRegexp, 0, 1, 0); |
|
| |
|
| # Store an aitem in any resource meta data(?) or database with |
|
| # versioning? |
|
| # |
|
| # Parameters: |
|
| # $cmd - Request command keyword. |
|
| # $tail - Tail of the request. This is a colon |
|
| # separated list containing: |
|
| # domain/user - User and authentication domain. |
|
| # namespace - Name of the database being modified |
|
| # rid - Resource keyword to modify. |
|
| # what - new value associated with rid. |
|
| # |
|
| # $client - Socket open on the client. |
|
| # |
|
| # |
|
| # Returns: |
|
| # 1 (keep on processing). |
|
| # Side-Effects: |
|
| # Writes to the client |
|
| sub StoreHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$uname,$namespace,$rid,$what) =split(/:/,$tail); |
|
| if ($namespace ne 'roles') { |
|
| |
|
| chomp($what); |
|
| my @pairs=split(/\&/,$what); |
|
| my $hashref = TieUserHash($udom, $uname, $namespace, |
|
| &GDBM_WRCREAT(), "P", |
|
| "$rid:$what"); |
|
| if ($hashref) { |
|
| my $now = time; |
|
| my @previouskeys=split(/&/,$hashref->{"keys:$rid"}); |
|
| my $key; |
|
| $hashref->{"version:$rid"}++; |
|
| my $version=$hashref->{"version:$rid"}; |
|
| my $allkeys=''; |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| $allkeys.=$key.':'; |
|
| $hashref->{"$version:$rid:$key"}=$value; |
|
| } |
|
| $hashref->{"$version:$rid:timestamp"}=$now; |
|
| $allkeys.='timestamp'; |
|
| $hashref->{"$version:keys:$rid"}=$allkeys; |
|
| if (untie($hashref)) { |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting store\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting store\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "refused\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("store", \&StoreHandler, 0, 1, 0); |
|
| # |
|
| # Restore a prior version of a resource. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Command keyword. |
|
| # $tail - Remainder of the request which consists of: |
|
| # domain/user - User and auth. domain. |
|
| # namespace - name of resource database. |
|
| # rid - Resource id. |
|
| # $client - socket open on the client. |
|
| # |
|
| # Returns: |
|
| # 1 indicating the caller should not yet exit. |
|
| # Side-effects: |
|
| # Writes a reply to the client. |
|
| # |
|
| sub RestoreHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; # Only used for logging purposes. |
|
| |
|
| my ($cmd,$udom,$uname,$namespace,$rid) = split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| chomp($rid); |
|
| my $proname=propath($udom,$uname); |
|
| my $qresult=''; |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db", |
|
| &GDBM_READER(),0640)) { |
|
| my $version=$hash{"version:$rid"}; |
|
| $qresult.="version=$version&"; |
|
| my $scope; |
|
| for ($scope=1;$scope<=$version;$scope++) { |
|
| my $vkeys=$hash{"$scope:keys:$rid"}; |
|
| my @keys=split(/:/,$vkeys); |
|
| my $key; |
|
| $qresult.="$scope:keys=$vkeys&"; |
|
| foreach $key (@keys) { |
|
| $qresult.="$scope:$key=".$hash{"$scope:$rid:$key"}."&"; |
|
| } |
|
| } |
|
| if (untie(%hash)) { |
|
| $qresult=~s/\&$//; |
|
| Reply( $client, "$qresult\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting restore\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting restore\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| |
|
| |
|
| } |
|
| RegisterHandler("restore", \&RestoreHandler, 0,1,0); |
|
| |
|
| # |
|
| # Add a chat message to to a discussion board. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Request keyword. |
|
| # $tail - Tail of the command. A colon separated list |
|
| # containing: |
|
| # cdom - Domain on which the chat board lives |
|
| # cnum - Identifier of the discussion group. |
|
| # post - Body of the posting. |
|
| # $client - Socket open on the client. |
|
| # Returns: |
|
| # 1 - Indicating caller should keep on processing. |
|
| # |
|
| # Side-effects: |
|
| # writes a reply to the client. |
|
| # |
|
| # |
|
| sub SendChatHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($cdom,$cnum,$newpost)=split(/\:/,$tail); |
|
| &chatadd($cdom,$cnum,$newpost); |
|
| Reply($client, "ok\n", $userinput); |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("chatsend", \&SendChatHandler, 0, 1, 0); |
|
| # |
|
| # Retrieve the set of chat messagss from a discussion board. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Command keyword that initiated the request. |
|
| # $tail - Remainder of the request after the command |
|
| # keyword. In this case a colon separated list of |
|
| # chat domain - Which discussion board. |
|
| # chat id - Discussion thread(?) |
|
| # domain/user - Authentication domain and username |
|
| # of the requesting person. |
|
| # $client - Socket open on the client program. |
|
| # Returns: |
|
| # 1 - continue processing |
|
| # Side effects: |
|
| # Response is written to the client. |
|
| # |
|
| sub RetrieveChatHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($cdom,$cnum,$udom,$uname)=split(/\:/,$tail); |
|
| my $reply=''; |
|
| foreach (&getchat($cdom,$cnum,$udom,$uname)) { |
|
| $reply.=&escape($_).':'; |
|
| } |
|
| $reply=~s/\:$//; |
|
| Reply($client, $reply."\n", $userinput); |
|
| |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("chatretr", \&RetrieveChatHandler, 0, 1, 0); |
|
| # |
|
| # Initiate a query of an sql database. SQL query repsonses get put in |
|
| # a file for later retrieval. This prevents sql query results from |
|
| # bottlenecking the system. Note that with loncnew, perhaps this is |
|
| # less of an issue since multiple outstanding requests can be concurrently |
|
| # serviced. |
|
| # |
|
| # Parameters: |
|
| # $cmd - COmmand keyword that initiated the request. |
|
| # $tail - Remainder of the command after the keyword. |
|
| # For this function, this consists of a query and |
|
| # 3 arguments that are self-documentingly labelled |
|
| # in the original arg1, arg2, arg3. |
|
| # $client - Socket open on the client. |
|
| # Return: |
|
| # 1 - Indicating processing should continue. |
|
| # Side-effects: |
|
| # a reply is written to $client. |
|
| # |
|
| sub SendQueryHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($query,$arg1,$arg2,$arg3)=split(/\:/,$tail); |
|
| $query=~s/\n*$//g; |
|
| Reply($client, "". sqlreply("$clientname\&$query". |
|
| "\&$arg1"."\&$arg2"."\&$arg3")."\n", |
|
| $userinput); |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("querysend", \&SendQueryHandler, 0, 1, 0); |
|
| |
|
| # |
|
| # Add a reply to an sql query. SQL queries are done asyncrhonously. |
|
| # The query is submitted via a "querysend" transaction. |
|
| # There it is passed on to the lonsql daemon, queued and issued to |
|
| # mysql. |
|
| # This transaction is invoked when the sql transaction is complete |
|
| # it stores the query results in flie and indicates query completion. |
|
| # presumably local software then fetches this response... I'm guessing |
|
| # the sequence is: lonc does a querysend, we ask lonsql to do it. |
|
| # lonsql on completion of the query interacts with the lond of our |
|
| # client to do a query reply storing two files: |
|
| # - id - The results of the query. |
|
| # - id.end - Indicating the transaction completed. |
|
| # NOTE: id is a unique id assigned to the query and querysend time. |
|
| # Parameters: |
|
| # $cmd - Command keyword that initiated this request. |
|
| # $tail - Remainder of the tail. In this case that's a colon |
|
| # separated list containing the query Id and the |
|
| # results of the query. |
|
| # $client - Socket open on the client. |
|
| # Return: |
|
| # 1 - Indicating that we should continue processing. |
|
| # Side effects: |
|
| # ok written to the client. |
|
| # |
|
| sub ReplyQueryHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($cmd,$id,$reply)=split(/:/,$userinput); |
|
| my $store; |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| if ($store=IO::File->new(">$execdir/tmp/$id")) { |
|
| $reply=~s/\&/\n/g; |
|
| print $store $reply; |
|
| close $store; |
|
| my $store2=IO::File->new(">$execdir/tmp/$id.end"); |
|
| print $store2 "done\n"; |
|
| close $store2; |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0) |
|
| ." IO::File->new Failed ". |
|
| "while attempting queryreply\n", $userinput); |
|
| } |
|
| |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("queryreply", \&ReplyQueryHandler, 0, 1, 0); |
|
| # |
|
| # Process the courseidput query. Not quite sure what this means |
|
| # at the system level sense. It appears a gdbm file in the |
|
| # /home/httpd/lonUsers/$domain/nohist_courseids is tied and |
|
| # a set of entries made in that database. |
|
| # |
|
| # Parameters: |
|
| # $cmd - The command keyword that initiated this request. |
|
| # $tail - Tail of the command. In this case consists of a colon |
|
| # separated list contaning the domain to apply this to and |
|
| # an ampersand separated list of keyword=value pairs. |
|
| # $client - Socket open on the client. |
|
| # Returns: |
|
| # 1 - indicating that processing should continue |
|
| # |
|
| # Side effects: |
|
| # reply is written to the client. |
|
| # |
|
| sub PutCourseIdHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom, $what) = split(/:/, $tail); |
|
| chomp($what); |
|
| my $now=time; |
|
| my @pairs=split(/\&/,$what); |
|
| |
|
| my $hashref = TieDomainHash($udom, "nohist_courseids", &GDBM_WRCREAT()); |
|
| if ($hashref) { |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| $hashref->{$key}=$value.':'.$now; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure( $client, "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting courseidput\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting courseidput\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("courseidput", \&PutCourseIdHandler, 0, 1, 0); |
|
| |
|
| # Retrieves the value of a course id resource keyword pattern |
|
| # defined since a starting date. Both the starting date and the |
|
| # keyword pattern are optional. If the starting date is not supplied it |
|
| # is treated as the beginning of time. If the pattern is not found, |
|
| # it is treatred as "." matching everything. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Command keyword that resulted in us being dispatched. |
|
| # $tail - The remainder of the command that, in this case, consists |
|
| # of a colon separated list of: |
|
| # domain - The domain in which the course database is |
|
| # defined. |
|
| # since - Optional parameter describing the minimum |
|
| # time of definition(?) of the resources that |
|
| # will match the dump. |
|
| # description - regular expression that is used to filter |
|
| # the dump. Only keywords matching this regexp |
|
| # will be used. |
|
| # $client - The socket open on the client. |
|
| # Returns: |
|
| # 1 - Continue processing. |
|
| # Side Effects: |
|
| # a reply is written to $client. |
|
| sub DumpCourseIdHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$since,$description) =split(/:/,$tail); |
|
| if (defined($description)) { |
|
| $description=&unescape($description); |
|
| } else { |
|
| $description='.'; |
|
| } |
|
| unless (defined($since)) { $since=0; } |
|
| my $qresult=''; |
|
| logthis(" Looking for $description since $since"); |
|
| my $hashref = TieDomainHash($udom, "nohist_courseids", &GDBM_WRCREAT()); |
|
| if ($hashref) { |
|
| while (my ($key,$value) = each(%$hashref)) { |
|
| my ($descr,$lasttime)=split(/\:/,$value); |
|
| logthis("Got: key = $key descr = $descr time: $lasttime"); |
|
| if ($lasttime<$since) { |
|
| logthis("Skipping .. too early"); |
|
| next; |
|
| } |
|
| if ($description eq '.') { |
|
| logthis("Adding wildcard match"); |
|
| $qresult.=$key.'='.$descr.'&'; |
|
| } else { |
|
| my $unescapeVal = &unescape($descr); |
|
| logthis("Matching with $unescapeVal"); |
|
| if (eval('$unescapeVal=~/$description/i')) { |
|
| logthis("Adding on match"); |
|
| $qresult.="$key=$descr&"; |
|
| } |
|
| } |
|
| } |
|
| if (untie(%$hashref)) { |
|
| chop($qresult); |
|
| Reply($client, "$qresult\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting courseiddump\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting courseiddump\n", $userinput); |
|
| } |
|
| |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("courseiddump", \&DumpCourseIdHandler, 0, 1, 0); |
|
| # |
|
| # Puts an id to a domains id database. |
|
| # |
|
| # Parameters: |
|
| # $cmd - The command that triggered us. |
|
| # $tail - Remainder of the request other than the command. This is a |
|
| # colon separated list containing: |
|
| # $domain - The domain for which we are writing the id. |
|
| # $pairs - The id info to write... this is and & separated list |
|
| # of keyword=value. |
|
| # $client - Socket open on the client. |
|
| # Returns: |
|
| # 1 - Continue processing. |
|
| # Side effects: |
|
| # reply is written to $client. |
|
| # |
|
| sub PutIdHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| my ($udom,$what)=split(/:/,$tail); |
|
| chomp($what); |
|
| my @pairs=split(/\&/,$what); |
|
| my $hashref = TieDomainHash($udom, "ids", &GDBM_WRCREAT(), |
|
| "P", $what); |
|
| if ($hashref) { |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| $hashref->{$key}=$value; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting idput\n", $userinput); |
|
| } |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting idput\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| |
|
| RegisterHandler("idput", \&PutIdHandler, 0, 1, 0); |
|
| # |
|
| # Retrieves a set of id values from the id database. |
|
| # Returns an & separated list of results, one for each requested id to the |
|
| # client. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Command keyword that caused us to be dispatched. |
|
| # $tail - Tail of the command. Consists of a colon separated: |
|
| # domain - the domain whose id table we dump |
|
| # ids Consists of an & separated list of |
|
| # id keywords whose values will be fetched. |
|
| # nonexisting keywords will have an empty value. |
|
| # $client - Socket open on the client. |
|
| # |
|
| # Returns: |
|
| # 1 - indicating processing should continue. |
|
| # Side effects: |
|
| # An & separated list of results is written to $client. |
|
| # |
|
| sub GetIdHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$client:$tail"; |
|
| |
|
| my ($udom,$what)=split(/:/,$tail); |
|
| chomp($what); |
|
| my @queries=split(/\&/,$what); |
|
| my $qresult=''; |
|
| my $hashref = TieDomainHash($udom, "ids", &GDBM_READER()); |
|
| if ($hashref) { |
|
| for (my $i=0;$i<=$#queries;$i++) { |
|
| $qresult.="$hashref->{$queries[$i]}&"; |
|
| } |
|
| if (untie(%$hashref)) { |
|
| $qresult=~s/\&$//; |
|
| Reply($client, "$qresult\n", $userinput); |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
|
| "while attempting idget\n",$userinput); |
|
| } |
|
| } else { |
|
| Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
|
| "while attempting idget\n",$userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| |
|
| RegisterHandler("idget", \&GetIdHandler, 0, 1, 0); |
|
| # |
|
| # Process the tmpput command I'm not sure what this does.. Seems to |
|
| # create a file in the lonDaemons/tmp directory of the form $id.tmp |
|
| # where Id is the client's ip concatenated with a sequence number. |
|
| # The file will contain some value that is passed in. Is this e.g. |
|
| # a login token? |
|
| # |
|
| # Parameters: |
|
| # $cmd - The command that got us dispatched. |
|
| # $tail - The remainder of the request following $cmd: |
|
| # In this case this will be the contents of the file. |
|
| # $client - Socket connected to the client. |
|
| # Returns: |
|
| # 1 indicating processing can continue. |
|
| # Side effects: |
|
| # A file is created in the local filesystem. |
|
| # A reply is sent to the client. |
|
| sub TmpPutHandler { |
|
| my $cmd = shift; |
|
| my $what = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$what"; # Reconstruct for logging. |
|
| |
|
| |
|
| my $store; |
|
| $tmpsnum++; |
|
| my $id=$$.'_'.$clientip.'_'.$tmpsnum; |
|
| $id=~s/\W/\_/g; |
|
| $what=~s/\n//g; |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) { |
|
| print $store $what; |
|
| close $store; |
|
| Reply($client, "$id\n", $userinput); |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)."IO::File->new Failed ". |
|
| "while attempting tmpput\n", $userinput); |
|
| } |
|
| return 1; |
|
| |
|
| } |
|
| RegisterHandler("tmpput", \&TmpPutHandler, 0, 1, 0); |
|
| |
|
| # Processes the tmpget command. This command returns the contents |
|
| # of a temporary resource file(?) created via tmpput. |
|
| # |
|
| # Paramters: |
|
| # $cmd - Command that got us dispatched. |
|
| # $id - Tail of the command, contain the id of the resource |
|
| # we want to fetch. |
|
| # $client - socket open on the client. |
|
| # Return: |
|
| # 1 - Inidcating processing can continue. |
|
| # Side effects: |
|
| # A reply is sent to the client. |
|
| |
|
| # |
|
| sub TmpGetHandler { |
|
| my $cmd = shift; |
|
| my $id = shift; |
|
| my $client = shift; |
|
| my $userinput = "$cmd:$id"; |
|
| |
|
| chomp($id); |
|
| $id=~s/\W/\_/g; |
|
| my $store; |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| if ($store=IO::File->new("$execdir/tmp/$id.tmp")) { |
|
| my $reply=<$store>; |
|
| Reply( $client, "$reply\n", $userinput); |
|
| close $store; |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)."IO::File->new Failed ". |
|
| "while attempting tmpget\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("tmpget", \&TmpGetHandler, 0, 1, 0); |
|
| # |
|
| # Process the tmpdel command. This command deletes a temp resource |
|
| # created by the tmpput command. |
|
| # |
|
| # Parameters: |
|
| # $cmd - Command that got us here. |
|
| # $id - Id of the temporary resource created. |
|
| # $client - socket open on the client process. |
|
| # |
|
| # Returns: |
|
| # 1 - Indicating processing should continue. |
|
| # Side Effects: |
|
| # A file is deleted |
|
| # A reply is sent to the client. |
|
| sub TmpDelHandler { |
|
| my $cmd = shift; |
|
| my $id = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput= "$cmd:$id"; |
|
| |
|
| chomp($id); |
|
| $id=~s/\W/\_/g; |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| if (unlink("$execdir/tmp/$id.tmp")) { |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure( $client, "error: ".($!+0)."Unlink tmp Failed ". |
|
| "while attempting tmpdel\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| |
|
| } |
|
| RegisterHandler("tmpdel", \&TmpDelHandler, 0, 1, 0); |
|
| # |
|
| # ls - list the contents of a directory. For each file in the |
|
| # selected directory the filename followed by the full output of |
|
| # the stat function is returned. The returned info for each |
|
| # file are separated by ':'. The stat fields are separated by &'s. |
|
| # Parameters: |
|
| # $cmd - The command that dispatched us (ls). |
|
| # $ulsdir - The directory path to list... I'm not sure what this |
|
| # is relative as things like ls:. return e.g. |
|
| # no_such_dir. |
|
| # $client - Socket open on the client. |
|
| # Returns: |
|
| # 1 - indicating that the daemon should not disconnect. |
|
| # Side Effects: |
|
| # The reply is written to $client. |
|
| # |
|
| sub LsHandler { |
|
| my $cmd = shift; |
|
| my $ulsdir = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$ulsdir"; |
|
| |
|
| chomp($ulsdir); |
|
| |
|
| my $ulsout=''; |
|
| my $ulsfn; |
|
| logthis("ls for '$ulsdir'"); |
|
| if (-e $ulsdir) { |
|
| logthis("ls - directory exists"); |
|
| if(-d $ulsdir) { |
|
| logthis("ls $ulsdir is a file"); |
|
| if (opendir(LSDIR,$ulsdir)) { |
|
| while ($ulsfn=readdir(LSDIR)) { |
|
| my @ulsstats=stat($ulsdir.'/'.$ulsfn); |
|
| $ulsout.=$ulsfn.'&'. |
|
| join('&',@ulsstats).':'; |
|
| } |
|
| closedir(LSDIR); |
|
| } |
|
| } else { |
|
| my @ulsstats=stat($ulsdir); |
|
| $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; |
|
| } |
|
| } else { |
|
| $ulsout='no_such_dir'; |
|
| } |
|
| if ($ulsout eq '') { $ulsout='empty'; } |
|
| Reply($client, "$ulsout\n", $userinput); |
|
| |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("ls", \&LsHandler, 0, 1, 0); |
|
| |
|
| |
|
| # |
|
| # Processes the setannounce command. This command |
|
| # creates a file named announce.txt in the top directory of |
|
| # the documentn root and sets its contents. The announce.txt file is |
|
| # printed in its entirety at the LonCAPA login page. Note: |
|
| # once the announcement.txt fileis created it cannot be deleted. |
|
| # However, setting the contents of the file to empty removes the |
|
| # announcement from the login page of loncapa so who cares. |
|
| # |
|
| # Parameters: |
|
| # $cmd - The command that got us dispatched. |
|
| # $announcement - The text of the announcement. |
|
| # $client - Socket open on the client process. |
|
| # Retunrns: |
|
| # 1 - Indicating request processing should continue |
|
| # Side Effects: |
|
| # The file {DocRoot}/announcement.txt is created. |
|
| # A reply is sent to $client. |
|
| # |
|
| sub SetAnnounceHandler { |
|
| my $cmd = shift; |
|
| my $announcement = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$announcement"; |
|
| |
|
| chomp($announcement); |
|
| $announcement=&unescape($announcement); |
|
| if (my $store=IO::File->new('>'.$perlvar{'lonDocRoot'}. |
|
| '/announcement.txt')) { |
|
| print $store $announcement; |
|
| close $store; |
|
| Reply($client, "ok\n", $userinput); |
|
| } else { |
|
| Failure($client, "error: ".($!+0)."\n", $userinput); |
|
| } |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("setannounce", \&SetAnnounceHandler, 0, 1, 0); |
|
| |
|
| # |
|
| # Return the version of the daemon. This can be used to determine |
|
| # the compatibility of cross version installations or, alternatively to |
|
| # simply know who's out of date and who isn't. Note that the version |
|
| # is returned concatenated with the tail. |
|
| # Parameters: |
|
| # $cmd - the request that dispatched to us. |
|
| # $tail - Tail of the request (client's version?). |
|
| # $client - Socket open on the client. |
|
| #Returns: |
|
| # 1 - continue processing requests. |
|
| # Side Effects: |
|
| # Replies with version to $client. |
|
| sub GetVersionHandler { |
|
| my $client = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| my $userinput = $client; |
|
| |
|
| Reply($client, &version($userinput)."\n", $userinput); |
|
| |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("version", \&GetVersionHandler, 0, 1, 0); |
|
| |
|
| # Set the current host and domain. This is used to support |
|
| # multihomed systems. Each IP of the system, or even separate daemons |
|
| # on the same IP can be treated as handling a separate lonCAPA virtual |
|
| # machine. This command selects the virtual lonCAPA. The client always |
|
| # knows the right one since it is lonc and it is selecting the domain/system |
|
| # from the hosts.tab file. |
|
| # Parameters: |
|
| # $cmd - Command that dispatched us. |
|
| # $tail - Tail of the command (domain/host requested). |
|
| # $socket - Socket open on the client. |
|
| # |
|
| # Returns: |
|
| # 1 - Indicates the program should continue to process requests. |
|
| # Side-effects: |
|
| # The default domain/system context is modified for this daemon. |
|
| # a reply is sent to the client. |
|
| # |
|
| sub SelectHostHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $socket = shift; |
|
| |
|
| my $userinput ="$cmd:$tail"; |
|
| |
|
| Reply($client, &sethost($userinput)."\n", $userinput); |
|
| |
|
| |
|
| return 1; |
|
| } |
|
| RegisterHandler("sethost", \&SelectHostHandler, 0, 1, 0); |
|
| |
|
| # Process a request to exit: |
|
| # - "bye" is sent to the client. |
|
| # - The client socket is shutdown and closed. |
|
| # - We indicate to the caller that we should exit. |
|
| # Formal Parameters: |
|
| # $cmd - The command that got us here. |
|
| # $tail - Tail of the command (empty). |
|
| # $client - Socket open on the tail. |
|
| # Returns: |
|
| # 0 - Indicating the program should exit!! |
|
| # |
|
| sub ExitHandler { |
|
| my $cmd = shift; |
|
| my $tail = shift; |
|
| my $client = shift; |
|
| |
|
| my $userinput = "$cmd:$tail"; |
|
| |
|
| &logthis("Client $clientip ($clientname) hanging up: $userinput"); |
|
| Reply($client, "bye\n", $userinput); |
|
| $client->shutdown(2); # shutdown the socket forcibly. |
|
| $client->close(); |
|
| |
|
| return 0; |
|
| } |
|
| RegisterHandler("exit", \&ExitHandler, 0, 1,1); |
|
| RegisterHandler("init", \&ExitHandler, 0, 1,1); # RE-init is like exit. |
|
| RegisterHandler("quit", \&ExitHandler, 0, 1,1); # I like this too! |
|
| #------------------------------------------------------------------------------------ |
|
| # |
|
| # Process a Request. Takes a request from the client validates |
|
| # it and performs the operation requested by it. Returns |
|
| # a response to the client. |
|
| # |
|
| # Parameters: |
|
| # request - A string containing the user's request. |
|
| # Returns: |
|
| # 0 - Requested to exit, caller should shut down. |
|
| # 1 - Accept additional requests from the client. |
|
| # |
|
| sub ProcessRequest { |
|
| my $Request = shift; |
|
| my $KeepGoing = 1; # Assume we're not asked to stop. |
|
| |
|
| my $wasenc=0; |
|
| my $userinput = $Request; # for compatibility with oldcode <yeach> |
|
| |
|
| |
|
| # ------------------------------------------------------------ See if encrypted |
|
| |
|
| if($userinput =~ /^enc/) { |
|
| $wasenc = 1; |
|
| $userinput = Decipher($userinput); |
|
| if(! $userinput) { |
|
| Failure($client,"error:Encrypted data without negotiating key"); |
|
| return 0; # Break off with this imposter. |
|
| } |
|
| } |
|
| # Split off the request keyword from the rest of the stuff. |
|
| |
|
| my ($command, $tail) = split(/:/, $userinput, 2); |
|
| chomp($command); |
|
| chomp($tail); |
|
| |
|
| Debug("Command received: $command, encoded = $wasenc"); |
|
| |
|
| |
|
| # ------------------------------------------------------------- Normal commands |
|
| |
|
| # |
|
| # If the command is in the hash, then execute it via the hash dispatch: |
|
| # |
|
| if(defined $Dispatcher{$command}) { |
|
| |
|
| my $DispatchInfo = $Dispatcher{$command}; |
|
| my $Handler = $$DispatchInfo[0]; |
|
| my $NeedEncode = $$DispatchInfo[1]; |
|
| my $ClientTypes = $$DispatchInfo[2]; |
|
| Debug("Matched dispatch hash: mustencode: $NeedEncode ClientType $ClientTypes"); |
|
| |
|
| # Validate the request: |
|
| |
|
| my $ok = 1; |
|
| my $requesterprivs = 0; |
|
| if(isClient()) { |
|
| $requesterprivs |= $CLIENT_OK; |
|
| } |
|
| if(isManager()) { |
|
| $requesterprivs |= $MANAGER_OK; |
|
| } |
|
| if($NeedEncode && (!$wasenc)) { |
|
| Debug("Must encode but wasn't: $NeedEncode $wasenc"); |
|
| $ok = 0; |
|
| } |
|
| if(($ClientTypes & $requesterprivs) == 0) { |
|
| Debug("Client not privileged to do this operation"); |
|
| $ok = 0; |
|
| } |
|
| |
|
| if($ok) { |
|
| Debug("Dispatching to handler $command $tail"); |
|
| $KeepGoing = &$Handler($command, $tail, $client); |
|
| } else { |
|
| Debug("Refusing to dispatch because ok is false"); |
|
| Failure($client, "refused\n", $userinput); |
|
| } |
|
| |
|
| |
|
| # ------------------------------------------------------------- unknown command |
|
| |
|
| } else { |
|
| # unknown command |
|
| Failure($client, "unknown_cmd\n", $userinput); |
|
| } |
|
| |
|
| return $KeepGoing; |
|
| } |
|
| |
|
| |
|
| # |
# |
| # GetCertificate: Given a transaction that requires a certificate, |
# GetCertificate: Given a transaction that requires a certificate, |
|
Line 2770 sub GetCertificate {
|
Line 137 sub GetCertificate {
|
| return $clientip; |
return $clientip; |
| } |
} |
| |
|
| |
# |
| |
# Return true if client is a manager. |
| |
# |
| |
sub isManager { |
| |
return (($ConnectionType eq "manager") || ($ConnectionType eq "both")); |
| |
} |
| |
# |
| |
# Return tru if client can do client functions |
| |
# |
| |
sub isClient { |
| |
return (($ConnectionType eq "client") || ($ConnectionType eq "both")); |
| |
} |
| |
|
| |
|
| # |
# |
|
Line 2784 sub ReadManagerTable {
|
Line 163 sub ReadManagerTable {
|
| |
|
| # Clean out the old table first.. |
# Clean out the old table first.. |
| |
|
| foreach my $key (keys %managers) { |
foreach my $key (keys %managers) { |
| delete $managers{$key}; |
delete $managers{$key}; |
| } |
} |
| |
|
| my $tablename = $perlvar{'lonTabDir'}."/managers.tab"; |
my $tablename = $perlvar{'lonTabDir'}."/managers.tab"; |
| if (!open (MANAGERS, $tablename)) { |
if (!open (MANAGERS, $tablename)) { |
| logthis('<font color="red">No manager table. Nobody can manage!!</font>'); |
logthis('<font color="red">No manager table. Nobody can manage!!</font>'); |
| return; |
return; |
| } |
} |
| while(my $host = <MANAGERS>) { |
while(my $host = <MANAGERS>) { |
| chomp($host); |
chomp($host); |
| if ($host =~ "^#") { # Comment line. |
if ($host =~ "^#") { # Comment line. |
| logthis('<font color="green"> Skipping line: '. "$host</font>\n"); |
logthis('<font color="green"> Skipping line: '. "$host</font>\n"); |
| next; |
next; |
| } |
} |
| if (!defined $hostip{$host}) { # This is a non cluster member |
if (!defined $hostip{$host}) { # This is a non cluster member |
| # The entry is of the form: |
# The entry is of the form: |
| # cluname:hostname |
# cluname:hostname |
| # cluname - A 'cluster hostname' is needed in order to negotiate |
# cluname - A 'cluster hostname' is needed in order to negotiate |
| # the host key. |
# the host key. |
| # hostname- The dns name of the host. |
# hostname- The dns name of the host. |
| # |
# |
| my($cluname, $dnsname) = split(/:/, $host); |
my($cluname, $dnsname) = split(/:/, $host); |
| |
|
| my $ip = gethostbyname($dnsname); |
my $ip = gethostbyname($dnsname); |
| if(defined($ip)) { # bad names don't deserve entry. |
if(defined($ip)) { # bad names don't deserve entry. |
| my $hostip = inet_ntoa($ip); |
my $hostip = inet_ntoa($ip); |
| $managers{$hostip} = $cluname; |
$managers{$hostip} = $cluname; |
| logthis('<font color="green"> registering manager '. |
logthis('<font color="green"> registering manager '. |
| "$dnsname as $cluname with $hostip </font>\n"); |
"$dnsname as $cluname with $hostip </font>\n"); |
| } |
} |
| } else { |
} else { |
| logthis('<font color="green"> existing host'." $host</font>\n"); |
logthis('<font color="green"> existing host'." $host</font>\n"); |
| $managers{$hostip{$host}} = $host; # Use info from cluster tab if clumemeber |
$managers{$hostip{$host}} = $host; # Use info from cluster tab if clumemeber |
| } |
} |
| } |
} |
| } |
} |
| |
|
| # |
# |
|
Line 2853 sub CopyFile {
|
Line 232 sub CopyFile {
|
| |
|
| if(-e $oldfile) { |
if(-e $oldfile) { |
| |
|
| # Read the old file. |
# Read the old file. |
| |
|
| my $oldfh = IO::File->new("< $oldfile"); |
my $oldfh = IO::File->new("< $oldfile"); |
| if(!$oldfh) { |
if(!$oldfh) { |
|
Line 2906 sub AdjustHostContents {
|
Line 285 sub AdjustHostContents {
|
| my $adjusted; |
my $adjusted; |
| my $me = $perlvar{'lonHostID'}; |
my $me = $perlvar{'lonHostID'}; |
| |
|
| foreach my $line (split(/\n/,$contents)) { |
foreach my $line (split(/\n/,$contents)) { |
| if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/))) { |
if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/))) { |
| chomp($line); |
chomp($line); |
| my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon)=split(/:/,$line); |
my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon)=split(/:/,$line); |
| if ($id eq $me) { |
if ($id eq $me) { |
| my $ip = gethostbyname($name); |
my $ip = gethostbyname($name); |
| my $ipnew = inet_ntoa($ip); |
my $ipnew = inet_ntoa($ip); |
| $ip = $ipnew; |
$ip = $ipnew; |
| # Reconstruct the host line and append to adjusted: |
# Reconstruct the host line and append to adjusted: |
| |
|
| my $newline = "$id:$domain:$role:$name:$ip"; |
my $newline = "$id:$domain:$role:$name:$ip"; |
| if($maxcon ne "") { # Not all hosts have loncnew tuning params |
if($maxcon ne "") { # Not all hosts have loncnew tuning params |
| $newline .= ":$maxcon:$idleto:$mincon"; |
$newline .= ":$maxcon:$idleto:$mincon"; |
| } |
} |
| $adjusted .= $newline."\n"; |
$adjusted .= $newline."\n"; |
| |
|
| } else { # Not me, pass unmodified. |
} else { # Not me, pass unmodified. |
| $adjusted .= $line."\n"; |
$adjusted .= $line."\n"; |
| } |
} |
| } else { # Blank or comment never re-written. |
} else { # Blank or comment never re-written. |
| $adjusted .= $line."\n"; # Pass blanks and comments as is. |
$adjusted .= $line."\n"; # Pass blanks and comments as is. |
| } |
} |
| } |
} |
| return $adjusted; |
return $adjusted; |
| } |
} |
| # |
# |
| # InstallFile: Called to install an administrative file: |
# InstallFile: Called to install an administrative file: |
|
Line 2952 sub InstallFile {
|
Line 331 sub InstallFile {
|
| my $TempFile = $Filename.".tmp"; |
my $TempFile = $Filename.".tmp"; |
| |
|
| # Open the file for write: |
# Open the file for write: |
| |
|
| my $fh = IO::File->new("> $TempFile"); # Write to temp. |
my $fh = IO::File->new("> $TempFile"); # Write to temp. |
| if(!(defined $fh)) { |
if(!(defined $fh)) { |
| &logthis('<font color="red"> Unable to create '.$TempFile."</font>"); |
&logthis('<font color="red"> Unable to create '.$TempFile."</font>"); |
| return 0; |
return 0; |
| } |
} |
| # write the contents of the file: |
# write the contents of the file: |
| |
|
| print $fh ($Contents); |
print $fh ($Contents); |
| $fh->close; # In case we ever have a filesystem w. locking |
$fh->close; # In case we ever have a filesystem w. locking |
| |
|
|
Line 3042 sub PushFile {
|
Line 421 sub PushFile {
|
| return "error:$!"; |
return "error:$!"; |
| } |
} |
| &logthis('<font color="green"> Pushfile: backed up ' |
&logthis('<font color="green"> Pushfile: backed up ' |
| .$tablefile." to $backupfile</font>"); |
.$tablefile." to $backupfile</font>"); |
| |
|
| # If the file being pushed is the host file, we adjust the entry for ourself so that the |
# If the file being pushed is the host file, we adjust the entry for ourself so that the |
| # IP will be our current IP as looked up in dns. Note this is only 99% good as it's possible |
# IP will be our current IP as looked up in dns. Note this is only 99% good as it's possible |
|
Line 3058 sub PushFile {
|
Line 437 sub PushFile {
|
| |
|
| if(!InstallFile($tablefile, $contents)) { |
if(!InstallFile($tablefile, $contents)) { |
| &logthis('<font color="red"> Pushfile: unable to install ' |
&logthis('<font color="red"> Pushfile: unable to install ' |
| .$tablefile." $! </font>"); |
.$tablefile." $! </font>"); |
| return "error:$!"; |
return "error:$!"; |
| } else { |
} |
| |
else { |
| &logthis('<font color="green"> Installed new '.$tablefile |
&logthis('<font color="green"> Installed new '.$tablefile |
| ."</font>"); |
."</font>"); |
| |
|
| } |
} |
| |
|
| |
|
|
Line 3200 sub ApplyEdit {
|
Line 580 sub ApplyEdit {
|
| } elsif ($command eq "delete") { |
} elsif ($command eq "delete") { |
| $editor->DeleteLine($p1); # p1 - key p2 null. |
$editor->DeleteLine($p1); # p1 - key p2 null. |
| } else { # Should not get here!!! |
} else { # Should not get here!!! |
| die "Invalid command given to ApplyEdit $command"; |
die "Invalid command given to ApplyEdit $command" |
| } |
} |
| } |
} |
| # |
# |
|
Line 3369 sub catchexception {
|
Line 749 sub catchexception {
|
| $SIG{'QUIT'}='DEFAULT'; |
$SIG{'QUIT'}='DEFAULT'; |
| $SIG{__DIE__}='DEFAULT'; |
$SIG{__DIE__}='DEFAULT'; |
| &status("Catching exception"); |
&status("Catching exception"); |
| &logthis("<font color=red>CRITICAL: " |
&logthis("<font color='red'>CRITICAL: " |
| ."ABNORMAL EXIT. Child $$ for server $thisserver died through " |
."ABNORMAL EXIT. Child $$ for server $thisserver died through " |
| ."a crash with this error msg->[$error]</font>"); |
."a crash with this error msg->[$error]</font>"); |
| &logthis('Famous last words: '.$status.' - '.$lastlog); |
&logthis('Famous last words: '.$status.' - '.$lastlog); |
| if ($client) { print $client "error: $error\n"; } |
if ($client) { print $client "error: $error\n"; } |
| $server->close(); |
$server->close(); |
|
Line 3380 sub catchexception {
|
Line 760 sub catchexception {
|
| |
|
| sub timeout { |
sub timeout { |
| &status("Handling Timeout"); |
&status("Handling Timeout"); |
| &logthis("<font color=ref>CRITICAL: TIME OUT ".$$."</font>"); |
&logthis("<font color='red'>CRITICAL: TIME OUT ".$$."</font>"); |
| &catchexception('Timeout'); |
&catchexception('Timeout'); |
| } |
} |
| # -------------------------------- Set signal handlers to record abnormal exits |
# -------------------------------- Set signal handlers to record abnormal exits |
|
Line 3397 undef $perlvarref;
|
Line 777 undef $perlvarref;
|
| # ----------------------------- Make sure this process is running from user=www |
# ----------------------------- Make sure this process is running from user=www |
| my $wwwid=getpwnam('www'); |
my $wwwid=getpwnam('www'); |
| if ($wwwid!=$<) { |
if ($wwwid!=$<) { |
| my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
| my $subj="LON: $currenthostid User ID mismatch"; |
my $subj="LON: $currenthostid User ID mismatch"; |
| system("echo 'User ID mismatch. lond must be run as user www.' |\ |
system("echo 'User ID mismatch. lond must be run as user www.' |\ |
| mailto $emailto -s '$subj' > /dev/null"); |
mailto $emailto -s '$subj' > /dev/null"); |
| exit 1; |
exit 1; |
| } |
} |
| |
|
| # --------------------------------------------- Check if other instance running |
# --------------------------------------------- Check if other instance running |
|
Line 3409 if ($wwwid!=$<) {
|
Line 789 if ($wwwid!=$<) {
|
| my $pidfile="$perlvar{'lonDaemons'}/logs/lond.pid"; |
my $pidfile="$perlvar{'lonDaemons'}/logs/lond.pid"; |
| |
|
| if (-e $pidfile) { |
if (-e $pidfile) { |
| my $lfh=IO::File->new("$pidfile"); |
my $lfh=IO::File->new("$pidfile"); |
| my $pide=<$lfh>; |
my $pide=<$lfh>; |
| chomp($pide); |
chomp($pide); |
| if (kill 0 => $pide) { die "already running"; } |
if (kill 0 => $pide) { die "already running"; } |
| } |
} |
| |
|
| # ------------------------------------------------------------- Read hosts file |
# ------------------------------------------------------------- Read hosts file |
|
Line 3425 $server = IO::Socket::INET->new(LocalPor
|
Line 805 $server = IO::Socket::INET->new(LocalPor
|
| Proto => 'tcp', |
Proto => 'tcp', |
| Reuse => 1, |
Reuse => 1, |
| Listen => 10 ) |
Listen => 10 ) |
| or die "making socket: $@\n"; |
or die "making socket: $@\n"; |
| |
|
| # --------------------------------------------------------- Do global variables |
# --------------------------------------------------------- Do global variables |
| |
|
| # global variables |
# global variables |
| |
|
| my %children = (); # keys are current child process IDs |
my %children = (); # keys are current child process IDs |
| my $children = 0; # current number of children |
|
| |
|
| sub REAPER { # takes care of dead children |
sub REAPER { # takes care of dead children |
| $SIG{CHLD} = \&REAPER; |
$SIG{CHLD} = \&REAPER; |
| &status("Handling child death"); |
&status("Handling child death"); |
| my $pid = wait; |
my $pid; |
| if (defined($children{$pid})) { |
do { |
| &logthis("Child $pid died"); |
$pid = waitpid(-1,&WNOHANG()); |
| $children --; |
if (defined($children{$pid})) { |
| delete $children{$pid}; |
&logthis("Child $pid died"); |
| } else { |
delete($children{$pid}); |
| &logthis("Unknown Child $pid died"); |
} elsif ($pid > 0) { |
| |
&logthis("Unknown Child $pid died"); |
| |
} |
| |
} while ( $pid > 0 ); |
| |
foreach my $child (keys(%children)) { |
| |
$pid = waitpid($child,&WNOHANG()); |
| |
if ($pid > 0) { |
| |
&logthis("Child $child - $pid looks like we missed it's death"); |
| |
delete($children{$pid}); |
| |
} |
| } |
} |
| &status("Finished Handling child death"); |
&status("Finished Handling child death"); |
| } |
} |
|
Line 3455 sub HUNTSMAN { # si
|
Line 843 sub HUNTSMAN { # si
|
| &logthis("Free socket: ".shutdown($server,2)); # free up socket |
&logthis("Free socket: ".shutdown($server,2)); # free up socket |
| my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
| unlink("$execdir/logs/lond.pid"); |
unlink("$execdir/logs/lond.pid"); |
| &logthis("<font color=red>CRITICAL: Shutting down</font>"); |
&logthis("<font color='red'>CRITICAL: Shutting down</font>"); |
| &status("Done killing children"); |
&status("Done killing children"); |
| exit; # clean up with dignity |
exit; # clean up with dignity |
| } |
} |
|
Line 3465 sub HUPSMAN { # sig
|
Line 853 sub HUPSMAN { # sig
|
| &status("Killing children for restart (HUP)"); |
&status("Killing children for restart (HUP)"); |
| kill 'INT' => keys %children; |
kill 'INT' => keys %children; |
| &logthis("Free socket: ".shutdown($server,2)); # free up socket |
&logthis("Free socket: ".shutdown($server,2)); # free up socket |
| &logthis("<font color=red>CRITICAL: Restarting</font>"); |
&logthis("<font color='red'>CRITICAL: Restarting</font>"); |
| my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
| unlink("$execdir/logs/lond.pid"); |
unlink("$execdir/logs/lond.pid"); |
| &status("Restarting self (HUP)"); |
&status("Restarting self (HUP)"); |
|
Line 3499 sub ReadHostTable {
|
Line 887 sub ReadHostTable {
|
| open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; |
open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; |
| |
|
| while (my $configline=<CONFIG>) { |
while (my $configline=<CONFIG>) { |
| my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
if (!($configline =~ /^\s*\#/)) { |
| chomp($ip); $ip=~s/\D+$//; |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
| $hostid{$ip}=$id; |
chomp($ip); $ip=~s/\D+$//; |
| $hostdom{$id}=$domain; |
$hostid{$ip}=$id; |
| $hostip{$id}=$ip; |
$hostdom{$id}=$domain; |
| if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; } |
$hostip{$id}=$ip; |
| |
if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; } |
| |
} |
| } |
} |
| close(CONFIG); |
close(CONFIG); |
| } |
} |
|
Line 3578 sub checkchildren {
|
Line 968 sub checkchildren {
|
| &status("Checking on the children (waiting for reports)"); |
&status("Checking on the children (waiting for reports)"); |
| foreach (sort keys %children) { |
foreach (sort keys %children) { |
| unless (-e "$docdir/lon-status/londchld/$_.txt") { |
unless (-e "$docdir/lon-status/londchld/$_.txt") { |
| eval { |
eval { |
| alarm(300); |
alarm(300); |
| &logthis('Child '.$_.' did not respond'); |
&logthis('Child '.$_.' did not respond'); |
| kill 9 => $_; |
kill 9 => $_; |
| #$emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
#$emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
| #$subj="LON: $currenthostid killed lond process $_"; |
#$subj="LON: $currenthostid killed lond process $_"; |
| #my $result=`echo 'Killed lond process $_.' | mailto $emailto -s '$subj' > /dev/null`; |
#my $result=`echo 'Killed lond process $_.' | mailto $emailto -s '$subj' > /dev/null`; |
| #$execdir=$perlvar{'lonDaemons'}; |
#$execdir=$perlvar{'lonDaemons'}; |
| #$result=`/bin/cp $execdir/logs/lond.log $execdir/logs/lond.log.$_`; |
#$result=`/bin/cp $execdir/logs/lond.log $execdir/logs/lond.log.$_`; |
| alarm(0); |
alarm(0); |
| } |
} |
| } |
} |
| } |
} |
| $SIG{ALRM} = 'DEFAULT'; |
$SIG{ALRM} = 'DEFAULT'; |
|
Line 3624 sub Debug {
|
Line 1014 sub Debug {
|
| # reply - Text to send to client. |
# reply - Text to send to client. |
| # request - Original request from client. |
# request - Original request from client. |
| # |
# |
| # Note: This increments Transactions |
|
| # |
|
| sub Reply { |
sub Reply { |
| alarm(120); |
|
| my $fd = shift; |
my $fd = shift; |
| my $reply = shift; |
my $reply = shift; |
| my $request = shift; |
my $request = shift; |
|
Line 3635 sub Reply {
|
Line 1022 sub Reply {
|
| print $fd $reply; |
print $fd $reply; |
| Debug("Request was $request Reply was $reply"); |
Debug("Request was $request Reply was $reply"); |
| |
|
| $Transactions++; |
|
| alarm(0); |
|
| |
|
| |
|
| } |
|
| # |
|
| # Sub to report a failure. |
|
| # This function: |
|
| # - Increments the failure statistic counters. |
|
| # - Invokes Reply to send the error message to the client. |
|
| # Parameters: |
|
| # fd - File descriptor open on the client |
|
| # reply - Reply text to emit. |
|
| # request - The original request message (used by Reply |
|
| # to debug if that's enabled. |
|
| # Implicit outputs: |
|
| # $Failures- The number of failures is incremented. |
|
| # Reply (invoked here) sends a message to the |
|
| # client: |
|
| # |
|
| sub Failure { |
|
| my $fd = shift; |
|
| my $reply = shift; |
|
| my $request = shift; |
|
| |
|
| $Failures++; |
|
| Reply($fd, $reply, $request); # That's simple eh? |
|
| } |
} |
| # ------------------------------------------------------------------ Log status |
# ------------------------------------------------------------------ Log status |
| |
|
|
Line 3669 sub logstatus {
|
Line 1029 sub logstatus {
|
| &status("Doing logging"); |
&status("Doing logging"); |
| my $docdir=$perlvar{'lonDocRoot'}; |
my $docdir=$perlvar{'lonDocRoot'}; |
| { |
{ |
| my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt"); |
my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt"); |
| print $fh $$."\t".$currenthostid."\t".$status."\t".$lastlog."\n"; |
print $fh $$."\t".$clientname."\t".$currenthostid."\t".$status."\t".$lastlog."\n"; |
| $fh->close(); |
$fh->close(); |
| } |
} |
| &status("Finished londstatus.txt"); |
&status("Finished londstatus.txt"); |
| { |
{ |
| my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt"); |
my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt"); |
| print $fh $status."\n".$lastlog."\n".time; |
print $fh $status."\n".$lastlog."\n".time; |
| $fh->close(); |
$fh->close(); |
| } |
} |
| ResetStatistics; |
|
| &status("Finished logging"); |
&status("Finished logging"); |
| |
|
| } |
} |
| |
|
| sub initnewstatus { |
sub initnewstatus { |
|
Line 3703 sub status {
|
Line 1061 sub status {
|
| my $what=shift; |
my $what=shift; |
| my $now=time; |
my $now=time; |
| my $local=localtime($now); |
my $local=localtime($now); |
| my $status = "lond: $what $local "; |
$status=$local.': '.$what; |
| if($Transactions) { |
$0='lond: '.$what.' '.$local; |
| $status .= " Transactions: $Transactions Failed; $Failures"; |
|
| } |
|
| $0=$status; |
|
| } |
} |
| |
|
| # -------------------------------------------------------- Escape Special Chars |
# -------------------------------------------------------- Escape Special Chars |
|
Line 3739 sub reconlonc {
|
Line 1094 sub reconlonc {
|
| &logthis("lonc at pid $loncpid responding, sending USR1"); |
&logthis("lonc at pid $loncpid responding, sending USR1"); |
| kill USR1 => $loncpid; |
kill USR1 => $loncpid; |
| } else { |
} else { |
| &logthis("<font color=red>CRITICAL: " |
&logthis( |
| ."lonc at pid $loncpid not responding, giving up</font>"); |
"<font color='red'>CRITICAL: " |
| |
."lonc at pid $loncpid not responding, giving up</font>"); |
| } |
} |
| } else { |
} else { |
| &logthis('<font color=red>CRITICAL: lonc not running, giving up</font>'); |
&logthis('<font color="red">CRITICAL: lonc not running, giving up</font>'); |
| } |
} |
| } |
} |
| |
|
|
Line 3755 sub subreply {
|
Line 1111 sub subreply {
|
| my $sclient=IO::Socket::UNIX->new(Peer =>"$peerfile", |
my $sclient=IO::Socket::UNIX->new(Peer =>"$peerfile", |
| Type => SOCK_STREAM, |
Type => SOCK_STREAM, |
| Timeout => 10) |
Timeout => 10) |
| or return "con_lost"; |
or return "con_lost"; |
| print $sclient "$cmd\n"; |
print $sclient "$cmd\n"; |
| my $answer=<$sclient>; |
my $answer=<$sclient>; |
| chomp($answer); |
chomp($answer); |
|
Line 3764 sub subreply {
|
Line 1120 sub subreply {
|
| } |
} |
| |
|
| sub reply { |
sub reply { |
| my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
| my $answer; |
my $answer; |
| if ($server ne $currenthostid) { |
if ($server ne $currenthostid) { |
| $answer=subreply($cmd,$server); |
$answer=subreply($cmd,$server); |
| if ($answer eq 'con_lost') { |
if ($answer eq 'con_lost') { |
| $answer=subreply("ping",$server); |
$answer=subreply("ping",$server); |
| if ($answer ne $server) { |
if ($answer ne $server) { |
| &logthis("sub reply: answer != server answer is $answer, server is $server"); |
&logthis("sub reply: answer != server answer is $answer, server is $server"); |
| &reconlonc("$perlvar{'lonSockDir'}/$server"); |
&reconlonc("$perlvar{'lonSockDir'}/$server"); |
| } |
} |
| $answer=subreply($cmd,$server); |
$answer=subreply($cmd,$server); |
| } |
} |
| } else { |
} else { |
| $answer='self_reply'; |
$answer='self_reply'; |
| } |
} |
| return $answer; |
return $answer; |
| } |
} |
| |
|
| # -------------------------------------------------------------- Talk to lonsql |
# -------------------------------------------------------------- Talk to lonsql |
|
Line 3798 sub subsqlreply {
|
Line 1154 sub subsqlreply {
|
| my $sclient=IO::Socket::UNIX->new(Peer =>"$peerfile", |
my $sclient=IO::Socket::UNIX->new(Peer =>"$peerfile", |
| Type => SOCK_STREAM, |
Type => SOCK_STREAM, |
| Timeout => 10) |
Timeout => 10) |
| or return "con_lost"; |
or return "con_lost"; |
| print $sclient "$cmd\n"; |
print $sclient "$cmd\n"; |
| my $answer=<$sclient>; |
my $answer=<$sclient>; |
| chomp($answer); |
chomp($answer); |
|
Line 3810 sub subsqlreply {
|
Line 1166 sub subsqlreply {
|
| |
|
| sub propath { |
sub propath { |
| my ($udom,$uname)=@_; |
my ($udom,$uname)=@_; |
| Debug("Propath:$udom:$uname"); |
|
| $udom=~s/\W//g; |
$udom=~s/\W//g; |
| $uname=~s/\W//g; |
$uname=~s/\W//g; |
| Debug("Propath2:$udom:$uname"); |
|
| my $subdir=$uname.'__'; |
my $subdir=$uname.'__'; |
| $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
| my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
| Debug("Propath returning $proname"); |
|
| return $proname; |
return $proname; |
| } |
} |
| |
|
|
Line 3825 sub propath {
|
Line 1178 sub propath {
|
| |
|
| sub ishome { |
sub ishome { |
| my $author=shift; |
my $author=shift; |
| Debug("ishome: $author"); |
|
| $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
| Debug(" after big regsub: $author"); |
|
| my ($udom,$uname)=split(/\//,$author); |
my ($udom,$uname)=split(/\//,$author); |
| Debug(" domain: $udom user: $uname"); |
|
| my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
| Debug(" path = $proname"); |
|
| if (-e $proname) { |
if (-e $proname) { |
| return 'owner'; |
return 'owner'; |
| } else { |
} else { |
|
Line 3854 my $execdir=$perlvar{'lonDaemons'};
|
Line 1203 my $execdir=$perlvar{'lonDaemons'};
|
| open (PIDSAVE,">$execdir/logs/lond.pid"); |
open (PIDSAVE,">$execdir/logs/lond.pid"); |
| print PIDSAVE "$$\n"; |
print PIDSAVE "$$\n"; |
| close(PIDSAVE); |
close(PIDSAVE); |
| &logthis("<font color=red>CRITICAL: ---------- Starting ----------</font>"); |
&logthis("<font color='red'>CRITICAL: ---------- Starting ----------</font>"); |
| &status('Starting'); |
&status('Starting'); |
| |
|
| |
|
|
Line 3872 $SIG{USR2} = \&UpdateHosts;
|
Line 1221 $SIG{USR2} = \&UpdateHosts;
|
| |
|
| ReadHostTable; |
ReadHostTable; |
| |
|
| |
|
| # -------------------------------------------------------------- |
# -------------------------------------------------------------- |
| # Accept connections. When a connection comes in, it is validated |
# Accept connections. When a connection comes in, it is validated |
| # and if good, a child process is created to process transactions |
# and if good, a child process is created to process transactions |
|
Line 3888 while (1) {
|
Line 1236 while (1) {
|
| |
|
| sub make_new_child { |
sub make_new_child { |
| my $pid; |
my $pid; |
| |
my $cipher; |
| my $sigset; |
my $sigset; |
| |
|
| $client = shift; |
$client = shift; |
|
Line 3898 sub make_new_child {
|
Line 1247 sub make_new_child {
|
| $sigset = POSIX::SigSet->new(SIGINT); |
$sigset = POSIX::SigSet->new(SIGINT); |
| sigprocmask(SIG_BLOCK, $sigset) |
sigprocmask(SIG_BLOCK, $sigset) |
| or die "Can't block SIGINT for fork: $!\n"; |
or die "Can't block SIGINT for fork: $!\n"; |
| |
|
| die "fork: $!" unless defined ($pid = fork); |
die "fork: $!" unless defined ($pid = fork); |
| |
|
| $client->sockopt(SO_KEEPALIVE, 1); # Enable monitoring of |
$client->sockopt(SO_KEEPALIVE, 1); # Enable monitoring of |
|
Line 3909 sub make_new_child {
|
Line 1258 sub make_new_child {
|
| # the pid hash. |
# the pid hash. |
| # |
# |
| my $caller = getpeername($client); |
my $caller = getpeername($client); |
| my ($port,$iaddr)=unpack_sockaddr_in($caller); |
my ($port,$iaddr); |
| $clientip=inet_ntoa($iaddr); |
if (defined($caller) && length($caller) > 0) { |
| |
($port,$iaddr)=unpack_sockaddr_in($caller); |
| |
} else { |
| |
&logthis("Unable to determine who caller was, getpeername returned nothing"); |
| |
} |
| |
if (defined($iaddr)) { |
| |
$clientip=inet_ntoa($iaddr); |
| |
} else { |
| |
&logthis("Unable to determine clinetip"); |
| |
$clientip='Unavailable'; |
| |
} |
| |
|
| if ($pid) { |
if ($pid) { |
| # Parent records the child's birth and returns. |
# Parent records the child's birth and returns. |
| sigprocmask(SIG_UNBLOCK, $sigset) |
sigprocmask(SIG_UNBLOCK, $sigset) |
| or die "Can't unblock SIGINT for fork: $!\n"; |
or die "Can't unblock SIGINT for fork: $!\n"; |
| $children{$pid} = $clientip; |
$children{$pid} = $clientip; |
| $children++; |
|
| &status('Started child '.$pid); |
&status('Started child '.$pid); |
| return; |
return; |
| } else { |
} else { |
|
Line 3934 sub make_new_child {
|
Line 1292 sub make_new_child {
|
| sigprocmask(SIG_UNBLOCK, $sigset) |
sigprocmask(SIG_UNBLOCK, $sigset) |
| or die "Can't unblock SIGINT for fork: $!\n"; |
or die "Can't unblock SIGINT for fork: $!\n"; |
| |
|
| |
my $tmpsnum=0; |
| |
#---------------------------------------------------- kerberos 5 initialization |
| &Authen::Krb5::init_context(); |
&Authen::Krb5::init_context(); |
| &Authen::Krb5::init_ets(); |
&Authen::Krb5::init_ets(); |
| |
|
| &status('Accepted connection'); |
&status('Accepted connection'); |
| # ============================================================================= |
# ============================================================================= |
| # do something with the connection |
# do something with the connection |
|
Line 3965 sub make_new_child {
|
Line 1323 sub make_new_child {
|
| &status("Waiting for init from $clientip $clientname"); |
&status("Waiting for init from $clientip $clientname"); |
| &logthis('<font color="yellow">INFO: Connection, '. |
&logthis('<font color="yellow">INFO: Connection, '. |
| $clientip. |
$clientip. |
| " ($clientname) connection type = $ConnectionType </font>" ); |
" ($clientname) connection type = $ConnectionType </font>" ); |
| &status("Connecting $clientip ($clientname))"); |
&status("Connecting $clientip ($clientname))"); |
| my $remotereq=<$client>; |
my $remotereq=<$client>; |
| $remotereq=~s/[^\w:]//g; |
$remotereq=~s/[^\w:]//g; |
|
Line 3973 sub make_new_child {
|
Line 1331 sub make_new_child {
|
| &sethost("sethost:$perlvar{'lonHostID'}"); |
&sethost("sethost:$perlvar{'lonHostID'}"); |
| my $challenge="$$".time; |
my $challenge="$$".time; |
| print $client "$challenge\n"; |
print $client "$challenge\n"; |
| &status("Waiting for challenge reply from $clientip ($clientname)"); |
&status( |
| |
"Waiting for challenge reply from $clientip ($clientname)"); |
| $remotereq=<$client>; |
$remotereq=<$client>; |
| $remotereq=~s/\W//g; |
$remotereq=~s/\W//g; |
| if ($challenge eq $remotereq) { |
if ($challenge eq $remotereq) { |
| $clientok=1; |
$clientok=1; |
| print $client "ok\n"; |
print $client "ok\n"; |
| } else { |
} else { |
| &logthis("<font color=blue>WARNING: $clientip did not reply challenge</font>"); |
&logthis( |
| |
"<font color='blue'>WARNING: $clientip did not reply challenge</font>"); |
| &status('No challenge reply '.$clientip); |
&status('No challenge reply '.$clientip); |
| } |
} |
| } else { |
} else { |
| &logthis("<font color=blue>WARNING: " |
&logthis( |
| |
"<font color='blue'>WARNING: " |
| ."$clientip failed to initialize: >$remotereq< </font>"); |
."$clientip failed to initialize: >$remotereq< </font>"); |
| &status('No init '.$clientip); |
&status('No init '.$clientip); |
| } |
} |
| } else { |
} else { |
| &logthis("<font color=blue>WARNING: Unknown client $clientip</font>"); |
&logthis( |
| |
"<font color='blue'>WARNING: Unknown client $clientip</font>"); |
| &status('Hung up on '.$clientip); |
&status('Hung up on '.$clientip); |
| } |
} |
| if ($clientok) { |
if ($clientok) { |
|
Line 4003 sub make_new_child {
|
Line 1365 sub make_new_child {
|
| } |
} |
| &reconlonc("$perlvar{'lonSockDir'}/$id"); |
&reconlonc("$perlvar{'lonSockDir'}/$id"); |
| } |
} |
| &logthis("<font color=green>Established connection: $clientname</font>"); |
&logthis("<font color='green'>Established connection: $clientname</font>"); |
| &status('Will listen to '.$clientname); |
&status('Will listen to '.$clientname); |
| |
# ------------------------------------------------------------ Process requests |
| |
while (my $userinput=<$client>) { |
| |
chomp($userinput); |
| |
Debug("Request = $userinput\n"); |
| |
&status('Processing '.$clientname.': '.$userinput); |
| |
my $wasenc=0; |
| |
alarm(120); |
| |
# ------------------------------------------------------------ See if encrypted |
| |
if ($userinput =~ /^enc/) { |
| |
if ($cipher) { |
| |
my ($cmd,$cmdlength,$encinput)=split(/:/,$userinput); |
| |
$userinput=''; |
| |
for (my $encidx=0;$encidx<length($encinput);$encidx+=16) { |
| |
$userinput.= |
| |
$cipher->decrypt( |
| |
pack("H16",substr($encinput,$encidx,16)) |
| |
); |
| |
} |
| |
$userinput=substr($userinput,0,$cmdlength); |
| |
$wasenc=1; |
| |
} |
| |
} |
| |
|
| |
# ------------------------------------------------------------- Normal commands |
| |
# ------------------------------------------------------------------------ ping |
| |
if ($userinput =~ /^ping/) { # client only |
| |
if(isClient) { |
| |
print $client "$currenthostid\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
} |
| |
# ------------------------------------------------------------------------ pong |
| |
}elsif ($userinput =~ /^pong/) { # client only |
| |
if(isClient) { |
| |
my $reply=&reply("ping",$clientname); |
| |
print $client "$currenthostid:$reply\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
} |
| |
# ------------------------------------------------------------------------ ekey |
| |
} elsif ($userinput =~ /^ekey/) { # ok for both clients & mgrs |
| |
my $buildkey=time.$$.int(rand 100000); |
| |
$buildkey=~tr/1-6/A-F/; |
| |
$buildkey=int(rand 100000).$buildkey.int(rand 100000); |
| |
my $key=$currenthostid.$clientname; |
| |
$key=~tr/a-z/A-Z/; |
| |
$key=~tr/G-P/0-9/; |
| |
$key=~tr/Q-Z/0-9/; |
| |
$key=$key.$buildkey.$key.$buildkey.$key.$buildkey; |
| |
$key=substr($key,0,32); |
| |
my $cipherkey=pack("H32",$key); |
| |
$cipher=new IDEA $cipherkey; |
| |
print $client "$buildkey\n"; |
| |
# ------------------------------------------------------------------------ load |
| |
} elsif ($userinput =~ /^load/) { # client only |
| |
if (isClient) { |
| |
my $loadavg; |
| |
{ |
| |
my $loadfile=IO::File->new('/proc/loadavg'); |
| |
$loadavg=<$loadfile>; |
| |
} |
| |
$loadavg =~ s/\s.*//g; |
| |
my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; |
| |
print $client "$loadpercent\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# -------------------------------------------------------------------- userload |
| |
} elsif ($userinput =~ /^userload/) { # client only |
| |
if(isClient) { |
| |
my $userloadpercent=&userload(); |
| |
print $client "$userloadpercent\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# |
| |
# Transactions requiring encryption: |
| |
# |
| |
# ----------------------------------------------------------------- currentauth |
| |
} elsif ($userinput =~ /^currentauth/) { |
| |
if (($wasenc==1) && isClient) { # Encoded & client only. |
| |
my ($cmd,$udom,$uname)=split(/:/,$userinput); |
| |
my $result = GetAuthType($udom, $uname); |
| |
if($result eq "nouser") { |
| |
print $client "unknown_user\n"; |
| |
} |
| |
else { |
| |
print $client "$result\n" |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
#--------------------------------------------------------------------- pushfile |
| |
} elsif($userinput =~ /^pushfile/) { # encoded & manager. |
| |
if(($wasenc == 1) && isManager) { |
| |
my $cert = GetCertificate($userinput); |
| |
if(ValidManager($cert)) { |
| |
my $reply = PushFile($userinput); |
| |
print $client "$reply\n"; |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
#--------------------------------------------------------------------- reinit |
| |
} elsif($userinput =~ /^reinit/) { # Encoded and manager |
| |
if (($wasenc == 1) && isManager) { |
| |
my $cert = GetCertificate($userinput); |
| |
if(ValidManager($cert)) { |
| |
chomp($userinput); |
| |
my $reply = ReinitProcess($userinput); |
| |
print $client "$reply\n"; |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
} |
| |
#------------------------------------------------------------------------- edit |
| |
} elsif ($userinput =~ /^edit/) { # encoded and manager: |
| |
if(($wasenc ==1) && (isManager)) { |
| |
my $cert = GetCertificate($userinput); |
| |
if(ValidManager($cert)) { |
| |
my($command, $filetype, $script) = split(/:/, $userinput); |
| |
if (($filetype eq "hosts") || ($filetype eq "domain")) { |
| |
if($script ne "") { |
| |
Reply($client, EditFile($userinput)); |
| |
} else { |
| |
Reply($client,"refused\n",$userinput); |
| |
} |
| |
} else { |
| |
Reply($client,"refused\n",$userinput); |
| |
} |
| |
} else { |
| |
Reply($client,"refused\n",$userinput); |
| |
} |
| |
} else { |
| |
Reply($client,"refused\n",$userinput); |
| |
} |
| |
# ------------------------------------------------------------------------ auth |
| |
} elsif ($userinput =~ /^auth/) { # Encoded and client only. |
| |
if (($wasenc==1) && isClient) { |
| |
my ($cmd,$udom,$uname,$upass)=split(/:/,$userinput); |
| |
chomp($upass); |
| |
$upass=unescape($upass); |
| |
my $proname=propath($udom,$uname); |
| |
my $passfilename="$proname/passwd"; |
| |
if (-e $passfilename) { |
| |
my $pf = IO::File->new($passfilename); |
| |
my $realpasswd=<$pf>; |
| |
chomp($realpasswd); |
| |
my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
| |
my $pwdcorrect=0; |
| |
if ($howpwd eq 'internal') { |
| |
&Debug("Internal auth"); |
| |
$pwdcorrect= |
| |
(crypt($upass,$contentpwd) eq $contentpwd); |
| |
} elsif ($howpwd eq 'unix') { |
| |
&Debug("Unix auth"); |
| |
if((getpwnam($uname))[1] eq "") { #no such user! |
| |
$pwdcorrect = 0; |
| |
} else { |
| |
$contentpwd=(getpwnam($uname))[1]; |
| |
my $pwauth_path="/usr/local/sbin/pwauth"; |
| |
unless ($contentpwd eq 'x') { |
| |
$pwdcorrect= |
| |
(crypt($upass,$contentpwd) eq |
| |
$contentpwd); |
| |
} |
| |
|
| |
elsif (-e $pwauth_path) { |
| |
open PWAUTH, "|$pwauth_path" or |
| |
die "Cannot invoke authentication"; |
| |
print PWAUTH "$uname\n$upass\n"; |
| |
close PWAUTH; |
| |
$pwdcorrect=!$?; |
| |
} |
| |
} |
| |
} elsif ($howpwd eq 'krb4') { |
| |
my $null=pack("C",0); |
| |
unless ($upass=~/$null/) { |
| |
my $krb4_error = &Authen::Krb4::get_pw_in_tkt |
| |
($uname,"",$contentpwd,'krbtgt', |
| |
$contentpwd,1,$upass); |
| |
if (!$krb4_error) { |
| |
$pwdcorrect = 1; |
| |
} else { |
| |
$pwdcorrect=0; |
| |
# log error if it is not a bad password |
| |
if ($krb4_error != 62) { |
| |
&logthis('krb4:'.$uname.','.$contentpwd.','. |
| |
&Authen::Krb4::get_err_txt($Authen::Krb4::error)); |
| |
} |
| |
} |
| |
} |
| |
} elsif ($howpwd eq 'krb5') { |
| |
my $null=pack("C",0); |
| |
unless ($upass=~/$null/) { |
| |
my $krbclient=&Authen::Krb5::parse_name($uname.'@'.$contentpwd); |
| |
my $krbservice="krbtgt/".$contentpwd."\@".$contentpwd; |
| |
my $krbserver=&Authen::Krb5::parse_name($krbservice); |
| |
my $credentials=&Authen::Krb5::cc_default(); |
| |
$credentials->initialize($krbclient); |
| |
my $krbreturn = |
| |
&Authen::Krb5::get_in_tkt_with_password( |
| |
$krbclient,$krbserver,$upass,$credentials); |
| |
# unless ($krbreturn) { |
| |
# &logthis("Krb5 Error: ". |
| |
# &Authen::Krb5::error()); |
| |
# } |
| |
$pwdcorrect = ($krbreturn == 1); |
| |
} else { $pwdcorrect=0; } |
| |
} elsif ($howpwd eq 'localauth') { |
| |
$pwdcorrect=&localauth::localauth($uname,$upass, |
| |
$contentpwd); |
| |
} |
| |
if ($pwdcorrect) { |
| |
print $client "authorized\n"; |
| |
} else { |
| |
print $client "non_authorized\n"; |
| |
} |
| |
} else { |
| |
print $client "unknown_user\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ---------------------------------------------------------------------- passwd |
| |
} elsif ($userinput =~ /^passwd/) { # encoded and client |
| |
if (($wasenc==1) && isClient) { |
| |
my |
| |
($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput); |
| |
chomp($npass); |
| |
$upass=&unescape($upass); |
| |
$npass=&unescape($npass); |
| |
&Debug("Trying to change password for $uname"); |
| |
my $proname=propath($udom,$uname); |
| |
my $passfilename="$proname/passwd"; |
| |
if (-e $passfilename) { |
| |
my $realpasswd; |
| |
{ my $pf = IO::File->new($passfilename); |
| |
$realpasswd=<$pf>; } |
| |
chomp($realpasswd); |
| |
my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
| |
if ($howpwd eq 'internal') { |
| |
&Debug("internal auth"); |
| |
if (crypt($upass,$contentpwd) eq $contentpwd) { |
| |
my $salt=time; |
| |
$salt=substr($salt,6,2); |
| |
my $ncpass=crypt($npass,$salt); |
| |
{ |
| |
my $pf; |
| |
if ($pf = IO::File->new(">$passfilename")) { |
| |
print $pf "internal:$ncpass\n"; |
| |
&logthis("Result of password change for $uname: pwchange_success"); |
| |
print $client "ok\n"; |
| |
} else { |
| |
&logthis("Unable to open $uname passwd to change password"); |
| |
print $client "non_authorized\n"; |
| |
} |
| |
} |
| |
|
| |
} else { |
| |
print $client "non_authorized\n"; |
| |
} |
| |
} elsif ($howpwd eq 'unix') { |
| |
# Unix means we have to access /etc/password |
| |
# one way or another. |
| |
# First: Make sure the current password is |
| |
# correct |
| |
&Debug("auth is unix"); |
| |
$contentpwd=(getpwnam($uname))[1]; |
| |
my $pwdcorrect = "0"; |
| |
my $pwauth_path="/usr/local/sbin/pwauth"; |
| |
unless ($contentpwd eq 'x') { |
| |
$pwdcorrect= |
| |
(crypt($upass,$contentpwd) eq $contentpwd); |
| |
} elsif (-e $pwauth_path) { |
| |
open PWAUTH, "|$pwauth_path" or |
| |
die "Cannot invoke authentication"; |
| |
print PWAUTH "$uname\n$upass\n"; |
| |
close PWAUTH; |
| |
&Debug("exited pwauth with $? ($uname,$upass) "); |
| |
$pwdcorrect=($? == 0); |
| |
} |
| |
if ($pwdcorrect) { |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
&Debug("Opening lcpasswd pipeline"); |
| |
my $pf = IO::File->new("|$execdir/lcpasswd > $perlvar{'lonDaemons'}/logs/lcpasswd.log"); |
| |
print $pf "$uname\n$npass\n$npass\n"; |
| |
close $pf; |
| |
my $err = $?; |
| |
my $result = ($err>0 ? 'pwchange_failure' |
| |
: 'ok'); |
| |
&logthis("Result of password change for $uname: ". |
| |
&lcpasswdstrerror($?)); |
| |
print $client "$result\n"; |
| |
} else { |
| |
print $client "non_authorized\n"; |
| |
} |
| |
} else { |
| |
print $client "auth_mode_error\n"; |
| |
} |
| |
} else { |
| |
print $client "unknown_user\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# -------------------------------------------------------------------- makeuser |
| |
} elsif ($userinput =~ /^makeuser/) { # encoded and client. |
| |
&Debug("Make user received"); |
| |
my $oldumask=umask(0077); |
| |
if (($wasenc==1) && isClient) { |
| |
my |
| |
($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); |
| |
&Debug("cmd =".$cmd." $udom =".$udom. |
| |
" uname=".$uname); |
| |
chomp($npass); |
| |
$npass=&unescape($npass); |
| |
my $proname=propath($udom,$uname); |
| |
my $passfilename="$proname/passwd"; |
| |
&Debug("Password file created will be:". |
| |
$passfilename); |
| |
if (-e $passfilename) { |
| |
print $client "already_exists\n"; |
| |
} elsif ($udom ne $currentdomainid) { |
| |
print $client "not_right_domain\n"; |
| |
} else { |
| |
my @fpparts=split(/\//,$proname); |
| |
my $fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2]; |
| |
my $fperror=''; |
| |
for (my $i=3;$i<=$#fpparts;$i++) { |
| |
$fpnow.='/'.$fpparts[$i]; |
| |
unless (-e $fpnow) { |
| |
unless (mkdir($fpnow,0777)) { |
| |
$fperror="error: ".($!+0) |
| |
." mkdir failed while attempting " |
| |
."makeuser"; |
| |
} |
| |
} |
| |
} |
| |
unless ($fperror) { |
| |
my $result=&make_passwd_file($uname, $umode,$npass, |
| |
$passfilename); |
| |
print $client $result; |
| |
} else { |
| |
print $client "$fperror\n"; |
| |
} |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
umask($oldumask); |
| |
# -------------------------------------------------------------- changeuserauth |
| |
} elsif ($userinput =~ /^changeuserauth/) { # encoded & client |
| |
&Debug("Changing authorization"); |
| |
if (($wasenc==1) && isClient) { |
| |
my |
| |
($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); |
| |
chomp($npass); |
| |
&Debug("cmd = ".$cmd." domain= ".$udom. |
| |
"uname =".$uname." umode= ".$umode); |
| |
$npass=&unescape($npass); |
| |
my $proname=&propath($udom,$uname); |
| |
my $passfilename="$proname/passwd"; |
| |
if ($udom ne $currentdomainid) { |
| |
print $client "not_right_domain\n"; |
| |
} else { |
| |
my $result=&make_passwd_file($uname, $umode,$npass, |
| |
$passfilename); |
| |
print $client $result; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------------ home |
| |
} elsif ($userinput =~ /^home/) { # client clear or encoded |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname)=split(/:/,$userinput); |
| |
chomp($uname); |
| |
my $proname=propath($udom,$uname); |
| |
if (-e $proname) { |
| |
print $client "found\n"; |
| |
} else { |
| |
print $client "not_found\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| ResetStatistics(); |
} |
| |
# ---------------------------------------------------------------------- update |
| |
} elsif ($userinput =~ /^update/) { # client clear or encoded. |
| |
if(isClient) { |
| |
my ($cmd,$fname)=split(/:/,$userinput); |
| |
my $ownership=ishome($fname); |
| |
if ($ownership eq 'not_owner') { |
| |
if (-e $fname) { |
| |
my ($dev,$ino,$mode,$nlink, |
| |
$uid,$gid,$rdev,$size, |
| |
$atime,$mtime,$ctime, |
| |
$blksize,$blocks)=stat($fname); |
| |
my $now=time; |
| |
my $since=$now-$atime; |
| |
if ($since>$perlvar{'lonExpire'}) { |
| |
my $reply= |
| |
&reply("unsub:$fname","$clientname"); |
| |
unlink("$fname"); |
| |
} else { |
| |
my $transname="$fname.in.transfer"; |
| |
my $remoteurl= |
| |
&reply("sub:$fname","$clientname"); |
| |
my $response; |
| |
{ |
| |
my $ua=new LWP::UserAgent; |
| |
my $request=new HTTP::Request('GET',"$remoteurl"); |
| |
$response=$ua->request($request,$transname); |
| |
} |
| |
if ($response->is_error()) { |
| |
unlink($transname); |
| |
my $message=$response->status_line; |
| |
&logthis( |
| |
"LWP GET: $message for $fname ($remoteurl)"); |
| |
} else { |
| |
if ($remoteurl!~/\.meta$/) { |
| |
my $ua=new LWP::UserAgent; |
| |
my $mrequest= |
| |
new HTTP::Request('GET',$remoteurl.'.meta'); |
| |
my $mresponse= |
| |
$ua->request($mrequest,$fname.'.meta'); |
| |
if ($mresponse->is_error()) { |
| |
unlink($fname.'.meta'); |
| |
} |
| |
} |
| |
rename($transname,$fname); |
| |
} |
| |
} |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "not_found\n"; |
| |
} |
| |
} else { |
| |
print $client "rejected\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| # ------------------------------------------------------------ Process requests |
} |
| my $KeepGoing = 1; |
# -------------------------------------- fetch a user file from a remote server |
| while ((my $userinput=GetRequest) && $KeepGoing) { |
} elsif ($userinput =~ /^fetchuserfile/) { # Client clear or enc. |
| $KeepGoing = ProcessRequest($userinput); |
if(isClient) { |
| # -------------------------------------------------------------------- complete |
my ($cmd,$fname)=split(/:/,$userinput); |
| |
my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); |
| |
my $udir=propath($udom,$uname).'/userfiles'; |
| |
unless (-e $udir) { mkdir($udir,0770); } |
| |
if (-e $udir) { |
| |
$ufile=~s/^[\.\~]+//; |
| |
my $path = $udir; |
| |
if ($ufile =~m|(.+)/([^/]+)$|) { |
| |
my @parts=split('/',$1); |
| |
foreach my $part (@parts) { |
| |
$path .= '/'.$part; |
| |
if ((-e $path)!=1) { |
| |
mkdir($path,0770); |
| |
} |
| |
} |
| |
} |
| |
my $destname=$udir.'/'.$ufile; |
| |
my $transname=$udir.'/'.$ufile.'.in.transit'; |
| |
my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; |
| |
my $response; |
| |
{ |
| |
my $ua=new LWP::UserAgent; |
| |
my $request=new HTTP::Request('GET',"$remoteurl"); |
| |
$response=$ua->request($request,$transname); |
| |
} |
| |
if ($response->is_error()) { |
| |
unlink($transname); |
| |
my $message=$response->status_line; |
| |
&logthis("LWP GET: $message for $fname ($remoteurl)"); |
| |
print $client "failed\n"; |
| |
} else { |
| |
if (!rename($transname,$destname)) { |
| |
&logthis("Unable to move $transname to $destname"); |
| |
unlink($transname); |
| |
print $client "failed\n"; |
| |
} else { |
| |
print $client "ok\n"; |
| |
} |
| |
} |
| |
} else { |
| |
print $client "not_home\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
} |
| |
# --------------------------------------------------------- remove a user file |
| |
} elsif ($userinput =~ /^removeuserfile/) { # Client clear or enc. |
| |
if(isClient) { |
| |
my ($cmd,$fname)=split(/:/,$userinput); |
| |
my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); |
| |
&logthis("$udom - $uname - $ufile"); |
| |
if ($ufile =~m|/\.\./|) { |
| |
# any files paths with /../ in them refuse |
| |
# to deal with |
| |
print $client "refused\n"; |
| |
} else { |
| |
my $udir=propath($udom,$uname); |
| |
if (-e $udir) { |
| |
my $file=$udir.'/userfiles/'.$ufile; |
| |
if (-e $file) { |
| |
unlink($file); |
| |
if (-e $file) { |
| |
print $client "failed\n"; |
| |
} else { |
| |
print $client "ok\n"; |
| |
} |
| |
} else { |
| |
print $client "not_found\n"; |
| |
} |
| |
} else { |
| |
print $client "not_home\n"; |
| |
} |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
} |
| |
# ------------------------------------------ authenticate access to a user file |
| |
} elsif ($userinput =~ /^tokenauthuserfile/) { # Client only |
| |
if(isClient) { |
| |
my ($cmd,$fname,$session)=split(/:/,$userinput); |
| |
chomp($session); |
| |
my $reply='non_auth'; |
| |
if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'. |
| |
$session.'.id')) { |
| |
while (my $line=<ENVIN>) { |
| |
if ($line=~ m|userfile\.\Q$fname\E\=|) { $reply='ok'; } |
| |
} |
| |
close(ENVIN); |
| |
print $client $reply."\n"; |
| |
} else { |
| |
print $client "invalid_token\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ----------------------------------------------------------------- unsubscribe |
| |
} elsif ($userinput =~ /^unsub/) { |
| |
if(isClient) { |
| |
my ($cmd,$fname)=split(/:/,$userinput); |
| |
if (-e $fname) { |
| |
print $client &unsub($fname,$clientip); |
| |
} else { |
| |
print $client "not_found\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------- subscribe |
| |
} elsif ($userinput =~ /^sub/) { |
| |
if(isClient) { |
| |
print $client &subscribe($userinput,$clientip); |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------- current version |
| |
} elsif ($userinput =~ /^currentversion/) { |
| |
if(isClient) { |
| |
my ($cmd,$fname)=split(/:/,$userinput); |
| |
print $client ¤tversion($fname)."\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------------- log |
| |
} elsif ($userinput =~ /^log/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$what)=split(/:/,$userinput); |
| |
chomp($what); |
| |
my $proname=propath($udom,$uname); |
| |
my $now=time; |
| |
{ |
| |
my $hfh; |
| |
if ($hfh=IO::File->new(">>$proname/activity.log")) { |
| |
print $hfh "$now:$clientname:$what\n"; |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." IO::File->new Failed " |
| |
."while attempting log\n"; |
| |
} |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------------- put |
| |
} elsif ($userinput =~ /^put/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$namespace,$what) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
if ($namespace ne 'roles') { |
| |
chomp($what); |
| |
my $proname=propath($udom,$uname); |
| |
my $now=time; |
| |
unless ($namespace=~/^nohist\_/) { |
| |
my $hfh; |
| |
if ( |
| |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
| |
) { print $hfh "P:$now:$what\n"; } |
| |
} |
| |
my @pairs=split(/\&/,$what); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File', |
| |
"$proname/$namespace.db", |
| |
&GDBM_WRCREAT(),0640)) { |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$hash{$key}=$value; |
| |
} |
| |
if (untie(%hash)) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) failed ". |
| |
"while attempting put\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting put\n"; |
| |
} |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------- inc |
| |
} elsif ($userinput =~ /^inc:/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$namespace,$what) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
if ($namespace ne 'roles') { |
| |
chomp($what); |
| |
my $proname=propath($udom,$uname); |
| |
my $now=time; |
| |
unless ($namespace=~/^nohist\_/) { |
| |
my $hfh; |
| |
if ( |
| |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
| |
) { print $hfh "P:$now:$what\n"; } |
| |
} |
| |
my @pairs=split(/\&/,$what); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File', |
| |
"$proname/$namespace.db", |
| |
&GDBM_WRCREAT(),0640)) { |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
# We could check that we have a number... |
| |
if (! defined($value) || $value eq '') { |
| |
$value = 1; |
| |
} |
| |
$hash{$key}+=$value; |
| |
} |
| |
if (untie(%hash)) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) failed ". |
| |
"while attempting inc\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting inc\n"; |
| |
} |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# -------------------------------------------------------------------- rolesput |
| |
} elsif ($userinput =~ /^rolesput/) { |
| |
if(isClient) { |
| |
&Debug("rolesput"); |
| |
if ($wasenc==1) { |
| |
my ($cmd,$exedom,$exeuser,$udom,$uname,$what) |
| |
=split(/:/,$userinput); |
| |
&Debug("cmd = ".$cmd." exedom= ".$exedom. |
| |
"user = ".$exeuser." udom=".$udom. |
| |
"what = ".$what); |
| |
my $namespace='roles'; |
| |
chomp($what); |
| |
my $proname=propath($udom,$uname); |
| |
my $now=time; |
| |
{ |
| |
my $hfh; |
| |
if ( |
| |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
| |
) { |
| |
print $hfh "P:$now:$exedom:$exeuser:$what\n"; |
| |
} |
| |
} |
| |
my @pairs=split(/\&/,$what); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
&ManagePermissions($key, $udom, $uname, |
| |
&GetAuthType( $udom, |
| |
$uname)); |
| |
$hash{$key}=$value; |
| |
} |
| |
if (untie(%hash)) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting rolesput\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting rolesput\n"; |
| |
} |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# -------------------------------------------------------------------- rolesdel |
| |
} elsif ($userinput =~ /^rolesdel/) { |
| |
if(isClient) { |
| |
&Debug("rolesdel"); |
| |
if ($wasenc==1) { |
| |
my ($cmd,$exedom,$exeuser,$udom,$uname,$what) |
| |
=split(/:/,$userinput); |
| |
&Debug("cmd = ".$cmd." exedom= ".$exedom. |
| |
"user = ".$exeuser." udom=".$udom. |
| |
"what = ".$what); |
| |
my $namespace='roles'; |
| |
chomp($what); |
| |
my $proname=propath($udom,$uname); |
| |
my $now=time; |
| |
{ |
| |
my $hfh; |
| |
if ( |
| |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
| |
) { |
| |
print $hfh "D:$now:$exedom:$exeuser:$what\n"; |
| |
} |
| |
} |
| |
my @rolekeys=split(/\&/,$what); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { |
| |
foreach my $key (@rolekeys) { |
| |
delete $hash{$key}; |
| |
} |
| |
if (untie(%hash)) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting rolesdel\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting rolesdel\n"; |
| |
} |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------------- get |
| |
} elsif ($userinput =~ /^get/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$namespace,$what) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
chomp($what); |
| |
my @queries=split(/\&/,$what); |
| |
my $proname=propath($udom,$uname); |
| |
my $qresult=''; |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
| |
for (my $i=0;$i<=$#queries;$i++) { |
| |
$qresult.="$hash{$queries[$i]}&"; |
| |
} |
| |
if (untie(%hash)) { |
| |
$qresult=~s/\&$//; |
| |
print $client "$qresult\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting get\n"; |
| |
} |
| |
} else { |
| |
if ($!+0 == 2) { |
| |
print $client "error:No such file or ". |
| |
"GDBM reported bad block error\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting get\n"; |
| |
} |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------------ eget |
| |
} elsif ($userinput =~ /^eget/) { |
| |
if (isClient) { |
| |
my ($cmd,$udom,$uname,$namespace,$what) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
chomp($what); |
| |
my @queries=split(/\&/,$what); |
| |
my $proname=propath($udom,$uname); |
| |
my $qresult=''; |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
| |
for (my $i=0;$i<=$#queries;$i++) { |
| |
$qresult.="$hash{$queries[$i]}&"; |
| |
} |
| |
if (untie(%hash)) { |
| |
$qresult=~s/\&$//; |
| |
if ($cipher) { |
| |
my $cmdlength=length($qresult); |
| |
$qresult.=" "; |
| |
my $encqresult=''; |
| |
for |
| |
(my $encidx=0;$encidx<=$cmdlength;$encidx+=8) { |
| |
$encqresult.= |
| |
unpack("H16", |
| |
$cipher->encrypt(substr($qresult,$encidx,8))); |
| |
} |
| |
print $client "enc:$cmdlength:$encqresult\n"; |
| |
} else { |
| |
print $client "error:no_key\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting eget\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting eget\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------------- del |
| |
} elsif ($userinput =~ /^del/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$namespace,$what) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
chomp($what); |
| |
my $proname=propath($udom,$uname); |
| |
my $now=time; |
| |
unless ($namespace=~/^nohist\_/) { |
| |
my $hfh; |
| |
if ( |
| |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
| |
) { print $hfh "D:$now:$what\n"; } |
| |
} |
| |
my @keys=split(/\&/,$what); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { |
| |
foreach my $key (@keys) { |
| |
delete($hash{$key}); |
| |
} |
| |
if (untie(%hash)) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting del\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting del\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------------ keys |
| |
} elsif ($userinput =~ /^keys/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$namespace) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
my $proname=propath($udom,$uname); |
| |
my $qresult=''; |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
| |
foreach my $key (keys %hash) { |
| |
$qresult.="$key&"; |
| |
} |
| |
if (untie(%hash)) { |
| |
$qresult=~s/\&$//; |
| |
print $client "$qresult\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting keys\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting keys\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ----------------------------------------------------------------- dumpcurrent |
| |
} elsif ($userinput =~ /^currentdump/) { |
| |
if (isClient) { |
| |
my ($cmd,$udom,$uname,$namespace) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
my $qresult=''; |
| |
my $proname=propath($udom,$uname); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File', |
| |
"$proname/$namespace.db", |
| |
&GDBM_READER(),0640)) { |
| |
# Structure of %data: |
| |
# $data{$symb}->{$parameter}=$value; |
| |
# $data{$symb}->{'v.'.$parameter}=$version; |
| |
# since $parameter will be unescaped, we do not |
| |
# have to worry about silly parameter names... |
| |
my %data = (); |
| |
while (my ($key,$value) = each(%hash)) { |
| |
my ($v,$symb,$param) = split(/:/,$key); |
| |
next if ($v eq 'version' || $symb eq 'keys'); |
| |
next if (exists($data{$symb}) && |
| |
exists($data{$symb}->{$param}) && |
| |
$data{$symb}->{'v.'.$param} > $v); |
| |
$data{$symb}->{$param}=$value; |
| |
$data{$symb}->{'v.'.$param}=$v; |
| |
} |
| |
if (untie(%hash)) { |
| |
while (my ($symb,$param_hash) = each(%data)) { |
| |
while(my ($param,$value) = each (%$param_hash)){ |
| |
next if ($param =~ /^v\./); |
| |
$qresult.=$symb.':'.$param.'='.$value.'&'; |
| |
} |
| |
} |
| |
chop($qresult); |
| |
print $client "$qresult\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting currentdump\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting currentdump\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
} |
| |
# ------------------------------------------------------------------------ dump |
| |
} elsif ($userinput =~ /^dump/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$namespace,$regexp) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
if (defined($regexp)) { |
| |
$regexp=&unescape($regexp); |
| |
} else { |
| |
$regexp='.'; |
| |
} |
| |
my $qresult=''; |
| |
my $proname=propath($udom,$uname); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
| |
while (my ($key,$value) = each(%hash)) { |
| |
if ($regexp eq '.') { |
| |
$qresult.=$key.'='.$value.'&'; |
| |
} else { |
| |
my $unescapeKey = &unescape($key); |
| |
if (eval('$unescapeKey=~/$regexp/')) { |
| |
$qresult.="$key=$value&"; |
| |
} |
| |
} |
| |
} |
| |
if (untie(%hash)) { |
| |
chop($qresult); |
| |
print $client "$qresult\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting dump\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting dump\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ----------------------------------------------------------------------- store |
| |
} elsif ($userinput =~ /^store/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$namespace,$rid,$what) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
if ($namespace ne 'roles') { |
| |
chomp($what); |
| |
my $proname=propath($udom,$uname); |
| |
my $now=time; |
| |
unless ($namespace=~/^nohist\_/) { |
| |
my $hfh; |
| |
if ( |
| |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
| |
) { print $hfh "P:$now:$rid:$what\n"; } |
| |
} |
| |
my @pairs=split(/\&/,$what); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { |
| |
my @previouskeys=split(/&/,$hash{"keys:$rid"}); |
| |
my $key; |
| |
$hash{"version:$rid"}++; |
| |
my $version=$hash{"version:$rid"}; |
| |
my $allkeys=''; |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$allkeys.=$key.':'; |
| |
$hash{"$version:$rid:$key"}=$value; |
| |
} |
| |
$hash{"$version:$rid:timestamp"}=$now; |
| |
$allkeys.='timestamp'; |
| |
$hash{"$version:keys:$rid"}=$allkeys; |
| |
if (untie(%hash)) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting store\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting store\n"; |
| |
} |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# --------------------------------------------------------------------- restore |
| |
} elsif ($userinput =~ /^restore/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$uname,$namespace,$rid) |
| |
=split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
chomp($rid); |
| |
my $proname=propath($udom,$uname); |
| |
my $qresult=''; |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
| |
my $version=$hash{"version:$rid"}; |
| |
$qresult.="version=$version&"; |
| |
my $scope; |
| |
for ($scope=1;$scope<=$version;$scope++) { |
| |
my $vkeys=$hash{"$scope:keys:$rid"}; |
| |
my @keys=split(/:/,$vkeys); |
| |
my $key; |
| |
$qresult.="$scope:keys=$vkeys&"; |
| |
foreach $key (@keys) { |
| |
$qresult.="$scope:$key=".$hash{"$scope:$rid:$key"}."&"; |
| |
} |
| |
} |
| |
if (untie(%hash)) { |
| |
$qresult=~s/\&$//; |
| |
print $client "$qresult\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting restore\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting restore\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# -------------------------------------------------------------------- chatsend |
| |
} elsif ($userinput =~ /^chatsend/) { |
| |
if(isClient) { |
| |
my ($cmd,$cdom,$cnum,$newpost)=split(/\:/,$userinput); |
| |
&chatadd($cdom,$cnum,$newpost); |
| |
print $client "ok\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# -------------------------------------------------------------------- chatretr |
| |
} elsif ($userinput =~ /^chatretr/) { |
| |
if(isClient) { |
| |
my |
| |
($cmd,$cdom,$cnum,$udom,$uname)=split(/\:/,$userinput); |
| |
my $reply=''; |
| |
foreach (&getchat($cdom,$cnum,$udom,$uname)) { |
| |
$reply.=&escape($_).':'; |
| |
} |
| |
$reply=~s/\:$//; |
| |
print $client $reply."\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------- querysend |
| |
} elsif ($userinput =~ /^querysend/) { |
| |
if(isClient) { |
| |
my ($cmd,$query, |
| |
$arg1,$arg2,$arg3)=split(/\:/,$userinput); |
| |
$query=~s/\n*$//g; |
| |
print $client "". |
| |
sqlreply("$clientname\&$query". |
| |
"\&$arg1"."\&$arg2"."\&$arg3")."\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------ queryreply |
| |
} elsif ($userinput =~ /^queryreply/) { |
| |
if(isClient) { |
| |
my ($cmd,$id,$reply)=split(/:/,$userinput); |
| |
my $store; |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
if ($store=IO::File->new(">$execdir/tmp/$id")) { |
| |
$reply=~s/\&/\n/g; |
| |
print $store $reply; |
| |
close $store; |
| |
my $store2=IO::File->new(">$execdir/tmp/$id.end"); |
| |
print $store2 "done\n"; |
| |
close $store2; |
| |
print $client "ok\n"; |
| |
} |
| |
else { |
| |
print $client "error: ".($!+0) |
| |
." IO::File->new Failed ". |
| |
"while attempting queryreply\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ----------------------------------------------------------------- courseidput |
| |
} elsif ($userinput =~ /^courseidput/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$what)=split(/:/,$userinput); |
| |
chomp($what); |
| |
$udom=~s/\W//g; |
| |
my $proname= |
| |
"$perlvar{'lonUsersDir'}/$udom/nohist_courseids"; |
| |
my $now=time; |
| |
my @pairs=split(/\&/,$what); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT(),0640)) { |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$hash{$key}=$value.':'.$now; |
| |
} |
| |
if (untie(%hash)) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting courseidput\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting courseidput\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ---------------------------------------------------------------- courseiddump |
| |
} elsif ($userinput =~ /^courseiddump/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$since,$description) |
| |
=split(/:/,$userinput); |
| |
if (defined($description)) { |
| |
$description=&unescape($description); |
| |
} else { |
| |
$description='.'; |
| |
} |
| |
unless (defined($since)) { $since=0; } |
| |
my $qresult=''; |
| |
my $proname= |
| |
"$perlvar{'lonUsersDir'}/$udom/nohist_courseids"; |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER(),0640)) { |
| |
while (my ($key,$value) = each(%hash)) { |
| |
my ($descr,$lasttime)=split(/\:/,$value); |
| |
if ($lasttime<$since) { next; } |
| |
if ($description eq '.') { |
| |
$qresult.=$key.'='.$descr.'&'; |
| |
} else { |
| |
my $unescapeVal = &unescape($descr); |
| |
if (eval('$unescapeVal=~/\Q$description\E/i')) { |
| |
$qresult.="$key=$descr&"; |
| |
} |
| |
} |
| |
} |
| |
if (untie(%hash)) { |
| |
chop($qresult); |
| |
print $client "$qresult\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting courseiddump\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting courseiddump\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ----------------------------------------------------------------------- idput |
| |
} elsif ($userinput =~ /^idput/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$what)=split(/:/,$userinput); |
| |
chomp($what); |
| |
$udom=~s/\W//g; |
| |
my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; |
| |
my $now=time; |
| |
{ |
| |
my $hfh; |
| |
if ( |
| |
$hfh=IO::File->new(">>$proname.hist") |
| |
) { print $hfh "P:$now:$what\n"; } |
| |
} |
| |
my @pairs=split(/\&/,$what); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT(),0640)) { |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$hash{$key}=$value; |
| |
} |
| |
if (untie(%hash)) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting idput\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting idput\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ----------------------------------------------------------------------- idget |
| |
} elsif ($userinput =~ /^idget/) { |
| |
if(isClient) { |
| |
my ($cmd,$udom,$what)=split(/:/,$userinput); |
| |
chomp($what); |
| |
$udom=~s/\W//g; |
| |
my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; |
| |
my @queries=split(/\&/,$what); |
| |
my $qresult=''; |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER(),0640)) { |
| |
for (my $i=0;$i<=$#queries;$i++) { |
| |
$qresult.="$hash{$queries[$i]}&"; |
| |
} |
| |
if (untie(%hash)) { |
| |
$qresult=~s/\&$//; |
| |
print $client "$qresult\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting idget\n"; |
| |
} |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting idget\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ---------------------------------------------------------------------- tmpput |
| |
} elsif ($userinput =~ /^tmpput/) { |
| |
if(isClient) { |
| |
my ($cmd,$what)=split(/:/,$userinput); |
| |
my $store; |
| |
$tmpsnum++; |
| |
my $id=$$.'_'.$clientip.'_'.$tmpsnum; |
| |
$id=~s/\W/\_/g; |
| |
$what=~s/\n//g; |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) { |
| |
print $store $what; |
| |
close $store; |
| |
print $client "$id\n"; |
| |
} |
| |
else { |
| |
print $client "error: ".($!+0) |
| |
."IO::File->new Failed ". |
| |
"while attempting tmpput\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
|
| |
# ---------------------------------------------------------------------- tmpget |
| |
} elsif ($userinput =~ /^tmpget/) { |
| |
if(isClient) { |
| |
my ($cmd,$id)=split(/:/,$userinput); |
| |
chomp($id); |
| |
$id=~s/\W/\_/g; |
| |
my $store; |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
if ($store=IO::File->new("$execdir/tmp/$id.tmp")) { |
| |
my $reply=<$store>; |
| |
print $client "$reply\n"; |
| |
close $store; |
| |
} |
| |
else { |
| |
print $client "error: ".($!+0) |
| |
."IO::File->new Failed ". |
| |
"while attempting tmpget\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ---------------------------------------------------------------------- tmpdel |
| |
} elsif ($userinput =~ /^tmpdel/) { |
| |
if(isClient) { |
| |
my ($cmd,$id)=split(/:/,$userinput); |
| |
chomp($id); |
| |
$id=~s/\W/\_/g; |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
if (unlink("$execdir/tmp/$id.tmp")) { |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0) |
| |
."Unlink tmp Failed ". |
| |
"while attempting tmpdel\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# -------------------------------------------------------------------------- ls |
| |
} elsif ($userinput =~ /^ls/) { |
| |
if(isClient) { |
| |
my $obs; |
| |
my $rights; |
| |
my ($cmd,$ulsdir)=split(/:/,$userinput); |
| |
my $ulsout=''; |
| |
my $ulsfn; |
| |
if (-e $ulsdir) { |
| |
if(-d $ulsdir) { |
| |
if (opendir(LSDIR,$ulsdir)) { |
| |
while ($ulsfn=readdir(LSDIR)) { |
| |
undef $obs, $rights; |
| |
my @ulsstats=stat($ulsdir.'/'.$ulsfn); |
| |
#We do some obsolete checking here |
| |
if(-e $ulsdir.'/'.$ulsfn.".meta") { |
| |
open(FILE, $ulsdir.'/'.$ulsfn.".meta"); |
| |
my @obsolete=<FILE>; |
| |
foreach my $obsolete (@obsolete) { |
| |
if($obsolete =~ m|(<obsolete>)(on)|) { $obs = 1; } |
| |
if($obsolete =~ m|(<copyright>)(default)|) { $rights = 1; } |
| |
} |
| |
} |
| |
$ulsout.=$ulsfn.'&'.join('&',@ulsstats); |
| |
if($obs eq '1') { $ulsout.="&1"; } |
| |
else { $ulsout.="&0"; } |
| |
if($rights eq '1') { $ulsout.="&1:"; } |
| |
else { $ulsout.="&0:"; } |
| |
} |
| |
closedir(LSDIR); |
| |
} |
| |
} else { |
| |
my @ulsstats=stat($ulsdir); |
| |
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; |
| |
} |
| |
} else { |
| |
$ulsout='no_such_dir'; |
| |
} |
| |
if ($ulsout eq '') { $ulsout='empty'; } |
| |
print $client "$ulsout\n"; |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ----------------------------------------------------------------- setannounce |
| |
} elsif ($userinput =~ /^setannounce/) { |
| |
if (isClient) { |
| |
my ($cmd,$announcement)=split(/:/,$userinput); |
| |
chomp($announcement); |
| |
$announcement=&unescape($announcement); |
| |
if (my $store=IO::File->new('>'.$perlvar{'lonDocRoot'}. |
| |
'/announcement.txt')) { |
| |
print $store $announcement; |
| |
close $store; |
| |
print $client "ok\n"; |
| |
} else { |
| |
print $client "error: ".($!+0)."\n"; |
| |
} |
| |
} else { |
| |
Reply($client, "refused\n", $userinput); |
| |
|
| |
} |
| |
# ------------------------------------------------------------------ Hanging up |
| |
} elsif (($userinput =~ /^exit/) || |
| |
($userinput =~ /^init/)) { # no restrictions. |
| |
&logthis( |
| |
"Client $clientip ($clientname) hanging up: $userinput"); |
| |
print $client "bye\n"; |
| |
$client->shutdown(2); # shutdown the socket forcibly. |
| |
$client->close(); |
| |
last; |
| |
|
| |
# ---------------------------------- set current host/domain |
| |
} elsif ($userinput =~ /^sethost:/) { |
| |
if (isClient) { |
| |
print $client &sethost($userinput)."\n"; |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
#---------------------------------- request file (?) version. |
| |
} elsif ($userinput =~/^version:/) { |
| |
if (isClient) { |
| |
print $client &version($userinput)."\n"; |
| |
} else { |
| |
print $client "refused\n"; |
| |
} |
| |
# ------------------------------------------------------------- unknown command |
| |
|
| |
} else { |
| |
# unknown command |
| |
print $client "unknown_cmd\n"; |
| |
} |
| |
# -------------------------------------------------------------------- complete |
| |
alarm(0); |
| &status('Listening to '.$clientname); |
&status('Listening to '.$clientname); |
| } |
} |
| # --------------------------------------------- client unknown or fishy, refuse |
# --------------------------------------------- client unknown or fishy, refuse |
| } else { |
} else { |
| print $client "refused\n"; |
print $client "refused\n"; |
| $client->close(); |
$client->close(); |
| &logthis("<font color=blue>WARNING: " |
&logthis("<font color='blue'>WARNING: " |
| ."Rejected client $clientip, closing connection</font>"); |
."Rejected client $clientip, closing connection</font>"); |
| } |
} |
| } |
} |
| |
|
| # ============================================================================= |
# ============================================================================= |
| |
|
| &logthis("<font color=red>CRITICAL: " |
&logthis("<font color='red'>CRITICAL: " |
| ."Disconnect from $clientip ($clientname)</font>"); |
."Disconnect from $clientip ($clientname)</font>"); |
| |
|
| |
|
|
Line 4050 sub make_new_child {
|
Line 2908 sub make_new_child {
|
| # user - Name of the user for which the role is being put. |
# user - Name of the user for which the role is being put. |
| # authtype - The authentication type associated with the user. |
# authtype - The authentication type associated with the user. |
| # |
# |
| sub ManagePermissions { |
sub ManagePermissions |
| |
{ |
| my $request = shift; |
my $request = shift; |
| my $domain = shift; |
my $domain = shift; |
| my $user = shift; |
my $user = shift; |
| my $authtype= shift; |
my $authtype= shift; |
| |
|
| # See if the request is of the form /$domain/_au |
# See if the request is of the form /$domain/_au |
| &logthis("request is $request"); |
|
| if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput... |
if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput... |
| my $execdir = $perlvar{'lonDaemons'}; |
my $execdir = $perlvar{'lonDaemons'}; |
| my $userhome= "/home/$user" ; |
my $userhome= "/home/$user" ; |
|
Line 4065 sub ManagePermissions {
|
Line 2923 sub ManagePermissions {
|
| system("$execdir/lchtmldir $userhome $user $authtype"); |
system("$execdir/lchtmldir $userhome $user $authtype"); |
| } |
} |
| } |
} |
| |
|
| # |
|
| # Return the full path of a user password file, whether it exists or not. |
|
| # Parameters: |
|
| # domain - Domain in which the password file lives. |
|
| # user - name of the user. |
|
| # Returns: |
|
| # Full passwd path: |
|
| # |
|
| sub PasswordPath { |
|
| my $domain = shift; |
|
| my $user = shift; |
|
| |
|
| my $path = &propath($domain, $user); |
|
| $path .= "/passwd"; |
|
| |
|
| return $path; |
|
| } |
|
| |
|
| # Password Filename |
|
| # Returns the path to a passwd file given domain and user... only if |
|
| # it exists. |
|
| # Parameters: |
|
| # domain - Domain in which to search. |
|
| # user - username. |
|
| # Returns: |
|
| # - If the password file exists returns its path. |
|
| # - If the password file does not exist, returns undefined. |
|
| # |
|
| sub PasswordFilename { |
|
| my $domain = shift; |
|
| my $user = shift; |
|
| |
|
| Debug ("PasswordFilename called: dom = $domain user = $user"); |
|
| |
|
| my $path = PasswordPath($domain, $user); |
|
| Debug("PasswordFilename got path: $path"); |
|
| if(-e $path) { |
|
| return $path; |
|
| } else { |
|
| return undef; |
|
| } |
|
| } |
|
| |
|
| # |
|
| # Rewrite the contents of the user's passwd file. |
|
| # Parameters: |
|
| # domain - domain of the user. |
|
| # name - User's name. |
|
| # contents - New contents of the file. |
|
| # Returns: |
|
| # 0 - Failed. |
|
| # 1 - Success. |
|
| # |
|
| sub RewritePwFile { |
|
| my $domain = shift; |
|
| my $user = shift; |
|
| my $contents = shift; |
|
| |
|
| my $file = PasswordFilename($domain, $user); |
|
| if (defined $file) { |
|
| my $pf = IO::File->new(">$file"); |
|
| if($pf) { |
|
| print $pf "$contents\n"; |
|
| return 1; |
|
| } else { |
|
| return 0; |
|
| } |
|
| } else { |
|
| return 0; |
|
| } |
|
| |
|
| } |
|
| # |
# |
| # GetAuthType - Determines the authorization type of a user in a domain. |
# GetAuthType - Determines the authorization type of a user in a domain. |
| |
|
| # 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 GetAuthType { |
sub GetAuthType |
| |
{ |
| my $domain = shift; |
my $domain = shift; |
| my $user = shift; |
my $user = shift; |
| |
|
| Debug("GetAuthType( $domain, $user ) \n"); |
Debug("GetAuthType( $domain, $user ) \n"); |
| my $passwdfile = PasswordFilename($domain, $user); |
my $proname = &propath($domain, $user); |
| if( defined $passwdfile ) { |
my $passwdfile = "$proname/passwd"; |
| |
if( -e $passwdfile ) { |
| my $pf = IO::File->new($passwdfile); |
my $pf = IO::File->new($passwdfile); |
| my $realpassword = <$pf>; |
my $realpassword = <$pf>; |
| chomp($realpassword); |
chomp($realpassword); |
| Debug("Password info = $realpassword\n"); |
Debug("Password info = $realpassword\n"); |
| return $realpassword; |
my ($authtype, $contentpwd) = split(/:/, $realpassword); |
| } else { |
Debug("Authtype = $authtype, content = $contentpwd\n"); |
| Debug("Returning nouser"); |
my $availinfo = ''; |
| return "nouser"; |
if($authtype eq 'krb4' or $authtype eq 'krb5') { |
| } |
$availinfo = $contentpwd; |
| } |
|
| |
|
| # |
|
| # Validate a user given their domain, name and password. This utility |
|
| # function is used by both AuthenticateHandler and ChangePasswordHandler |
|
| # to validate the login credentials of a user. |
|
| # Parameters: |
|
| # $domain - The domain being logged into (this is required due to |
|
| # the capability for multihomed systems. |
|
| # $user - The name of the user being validated. |
|
| # $password - The user's propoposed password. |
|
| # |
|
| # Returns: |
|
| # 1 - The domain,user,pasword triplet corresponds to a valid |
|
| # user. |
|
| # 0 - The domain,user,password triplet is not a valid user. |
|
| # |
|
| sub ValidateUser { |
|
| my $domain = shift; |
|
| my $user = shift; |
|
| my $password= shift; |
|
| |
|
| # Why negative ~pi you may well ask? Well this function is about |
|
| # authentication, and therefore very important to get right. |
|
| # I've initialized the flag that determines whether or not I've |
|
| # validated correctly to a value it's not supposed to get. |
|
| # At the end of this function. I'll ensure that it's not still that |
|
| # value so we don't just wind up returning some accidental value |
|
| # as a result of executing an unforseen code path that |
|
| # did not set $validated. |
|
| |
|
| my $validated = -3.14159; |
|
| |
|
| # How we authenticate is determined by the type of authentication |
|
| # the user has been assigned. If the authentication type is |
|
| # "nouser", the user does not exist so we will return 0. |
|
| |
|
| my $contents = GetAuthType($domain, $user); |
|
| my ($howpwd, $contentpwd) = split(/:/, $contents); |
|
| |
|
| my $null = pack("C",0); # Used by kerberos auth types. |
|
| |
|
| if ($howpwd ne 'nouser') { |
|
| |
|
| if($howpwd eq "internal") { # Encrypted is in local password file. |
|
| $validated = (crypt($password, $contentpwd) eq $contentpwd); |
|
| } |
} |
| elsif ($howpwd eq "unix") { # User is a normal unix user. |
|
| $contentpwd = (getpwnam($user))[1]; |
|
| if($contentpwd) { |
|
| if($contentpwd eq 'x') { # Shadow password file... |
|
| my $pwauth_path = "/usr/local/sbin/pwauth"; |
|
| open PWAUTH, "|$pwauth_path" or |
|
| die "Cannot invoke authentication"; |
|
| print PWAUTH "$user\n$password\n"; |
|
| close PWAUTH; |
|
| $validated = ! $?; |
|
| |
|
| } else { # Passwords in /etc/passwd. |
|
| $validated = (crypt($password, |
|
| $contentpwd) eq $contentpwd); |
|
| } |
|
| } else { |
|
| $validated = 0; |
|
| } |
|
| } |
|
| elsif ($howpwd eq "krb4") { # user is in kerberos 4 auth. domain. |
|
| if(! ($password =~ /$null/) ) { |
|
| 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 { |
|
| $validated = 0; # Password has a match with null. |
|
| } |
|
| } |
|
| elsif ($howpwd eq "krb5") { # User is in kerberos 5 auth. domain. |
|
| 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(); |
|
| $credentials->initialize($krbclient); |
|
| my $krbreturn = &Authen::KRb5::get_in_tkt_with_password($krbclient, |
|
| $krbserver, |
|
| $password, |
|
| $credentials); |
|
| $validated = ($krbreturn == 1); |
|
| } |
|
| else { |
|
| $validated = 0; |
|
| } |
|
| } |
|
| elsif ($howpwd eq "localauth") { |
|
| # Authenticate via installation specific authentcation method: |
|
| $validated = &localauth::localauth($user, |
|
| $password, |
|
| $contentpwd); |
|
| } |
|
| else { # Unrecognized auth is also bad. |
|
| $validated = 0; |
|
| } |
|
| } else { |
|
| $validated = 0; |
|
| } |
|
| # |
|
| # $validated has the correct stat of the authentication: |
|
| # |
|
| |
|
| unless ($validated != -3.14159) { |
return "$authtype:$availinfo"; |
| die "ValidateUser - failed to set the value of validated"; |
} |
| |
else { |
| |
Debug("Returning nouser"); |
| |
return "nouser"; |
| } |
} |
| return $validated; |
|
| } |
} |
| |
|
| # |
|
| # Add a line to the subscription list? |
|
| # |
|
| sub addline { |
sub addline { |
| my ($fname,$hostid,$ip,$newline)=@_; |
my ($fname,$hostid,$ip,$newline)=@_; |
| my $contents; |
my $contents; |
|
Line 4297 sub addline {
|
Line 2963 sub addline {
|
| my $expr='^'.$hostid.':'.$ip.':'; |
my $expr='^'.$hostid.':'.$ip.':'; |
| $expr =~ s/\./\\\./g; |
$expr =~ s/\./\\\./g; |
| my $sh; |
my $sh; |
| Debug("Looking for $expr"); |
|
| if ($sh=IO::File->new("$fname.subscription")) { |
if ($sh=IO::File->new("$fname.subscription")) { |
| while (my $subline=<$sh>) { |
while (my $subline=<$sh>) { |
| Debug("addline: line: $subline"); |
if ($subline !~ /$expr/) {$contents.= $subline;} else {$found=1;} |
| if ($subline !~ /$expr/) { |
|
| $contents.= $subline; |
|
| } else { |
|
| Debug("Found $subline"); |
|
| $found=1; |
|
| } |
|
| } |
} |
| $sh->close(); |
$sh->close(); |
| } |
} |
| $sh=IO::File->new(">$fname.subscription"); |
$sh=IO::File->new(">$fname.subscription"); |
| if ($contents) { print $sh $contents; } |
if ($contents) { print $sh $contents; } |
| if ($newline) { |
if ($newline) { print $sh $newline; } |
| Debug("Appending $newline"); |
|
| print $sh $newline; |
|
| } |
|
| $sh->close(); |
$sh->close(); |
| return $found; |
return $found; |
| } |
} |
| # |
|
| # Get chat messages. |
|
| # |
|
| sub getchat { |
sub getchat { |
| my ($cdom,$cname,$udom,$uname)=@_; |
my ($cdom,$cname,$udom,$uname)=@_; |
| my %hash; |
my %hash; |
|
Line 4346 sub getchat {
|
Line 3000 sub getchat {
|
| } |
} |
| return (@participants,@entries); |
return (@participants,@entries); |
| } |
} |
| # |
|
| # Add a chat message |
|
| # |
|
| sub chatadd { |
sub chatadd { |
| my ($cdom,$cname,$newchat)=@_; |
my ($cdom,$cname,$newchat)=@_; |
| my %hash; |
my %hash; |
|
Line 4426 sub currentversion {
|
Line 3078 sub currentversion {
|
| my $version=-1; |
my $version=-1; |
| my $ulsdir=''; |
my $ulsdir=''; |
| if ($fname=~/^(.+)\/[^\/]+$/) { |
if ($fname=~/^(.+)\/[^\/]+$/) { |
| $ulsdir=$1; |
$ulsdir=$1; |
| } |
} |
| my ($fnamere1,$fnamere2); |
my ($fnamere1,$fnamere2); |
| # remove version if already specified |
# remove version if already specified |
|
Line 4469 sub thisversion {
|
Line 3121 sub thisversion {
|
| |
|
| sub subscribe { |
sub subscribe { |
| my ($userinput,$clientip)=@_; |
my ($userinput,$clientip)=@_; |
| chomp($userinput); |
|
| my $result; |
my $result; |
| my ($cmd,$fname)=split(/:/,$userinput); |
my ($cmd,$fname)=split(/:/,$userinput); |
| my $ownership=&ishome($fname); |
my $ownership=&ishome($fname); |
| Debug("subscribe: Owner = $ownership file: '$fname'"); |
|
| if ($ownership eq 'owner') { |
if ($ownership eq 'owner') { |
| # explitly asking for the current version? |
# explitly asking for the current version? |
| unless (-e $fname) { |
unless (-e $fname) { |
| Debug("subscribe - does not exist"); |
|
| my $currentversion=¤tversion($fname); |
my $currentversion=¤tversion($fname); |
| if (&thisversion($fname)==$currentversion) { |
if (&thisversion($fname)==$currentversion) { |
| if ($fname=~/^(.+)\.\d+\.(\w+(?:\.meta)*)$/) { |
if ($fname=~/^(.+)\.\d+\.(\w+(?:\.meta)*)$/) { |
|
Line 4486 sub subscribe {
|
Line 3135 sub subscribe {
|
| symlink($root.'.'.$extension, |
symlink($root.'.'.$extension, |
| $root.'.'.$currentversion.'.'.$extension); |
$root.'.'.$currentversion.'.'.$extension); |
| unless ($extension=~/\.meta$/) { |
unless ($extension=~/\.meta$/) { |
| symlink($root.'.'.$extension.'.meta', |
symlink($root.'.'.$extension.'.meta', |
| $root.'.'.$currentversion.'.'.$extension.'.meta'); |
$root.'.'.$currentversion.'.'.$extension.'.meta'); |
| } |
} |
| } |
} |
| } |
} |
| } |
} |
| if (-e $fname) { |
if (-e $fname) { |
| Debug("subscribe - exists"); |
|
| if (-d $fname) { |
if (-d $fname) { |
| $result="directory\n"; |
$result="directory\n"; |
| } else { |
} else { |
|
Line 4542 sub make_passwd_file {
|
Line 3190 sub make_passwd_file {
|
| print $pf "localauth:$npass\n"; |
print $pf "localauth:$npass\n"; |
| } |
} |
| } elsif ($umode eq 'unix') { |
} elsif ($umode eq 'unix') { |
| # |
{ |
| # Don't allow the creation of privileged accounts!!! that would |
# |
| # be real bad!!! |
# Don't allow the creation of privileged accounts!!! that would |
| # |
# be real bad!!! |
| my $uid = getpwnam($uname); |
# |
| if((defined $uid) && ($uid == 0)) { |
my $uid = getpwnam($uname); |
| &logthis(">>>Attempted add of privileged account blocked<<<"); |
if((defined $uid) && ($uid == 0)) { |
| return "no_priv_account_error\n"; |
&logthis(">>>Attempted to create privilged account blocked"); |
| } |
return "no_priv_account_error\n"; |
| |
} |
| # |
|
| my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd"; |
my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd"; |
| |
{ |
| &Debug("Executing external: ".$execpath); |
&Debug("Executing external: ".$execpath); |
| &Debug("user = ".$uname.", Password =". $npass); |
&Debug("user = ".$uname.", Password =". $npass); |
| my $se = IO::File->new("|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log"); |
my $se = IO::File->new("|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log"); |
| print $se "$uname\n"; |
print $se "$uname\n"; |
| print $se "$npass\n"; |
print $se "$npass\n"; |
| print $se "$npass\n"; |
print $se "$npass\n"; |
| |
} |
| my $useraddok = $?; |
my $useraddok = $?; |
| if($useraddok > 0) { |
if($useraddok > 0) { |
| my $lcstring = lcuseraddstrerror($useraddok); |
&logthis("Failed lcuseradd: ".&lcuseraddstrerror($useraddok)); |
| &logthis("Failed lcuseradd: $lcstring"); |
} |
| return "error: lcuseradd failed: $lcstring\n"; |
my $pf = IO::File->new(">$passfilename"); |
| |
print $pf "unix:\n"; |
| } |
} |
| my $pf = IO::File->new(">$passfilename"); |
|
| print $pf "unix:\n"; |
|
| |
|
| } elsif ($umode eq 'none') { |
} elsif ($umode eq 'none') { |
| { |
{ |
| my $pf = IO::File->new(">$passfilename"); |
my $pf = IO::File->new(">$passfilename"); |
|
Line 4584 sub make_passwd_file {
|
Line 3230 sub make_passwd_file {
|
| |
|
| sub sethost { |
sub sethost { |
| my ($remotereq) = @_; |
my ($remotereq) = @_; |
| Debug("sethost got $remotereq"); |
|
| my (undef,$hostid)=split(/:/,$remotereq); |
my (undef,$hostid)=split(/:/,$remotereq); |
| if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
| Debug("sethost attempting to set host $hostid"); |
|
| if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) { |
if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) { |
| $currenthostid=$hostid; |
$currenthostid=$hostid; |
| $currentdomainid=$hostdom{$hostid}; |
$currentdomainid=$hostdom{$hostid}; |
|
Line 4605 sub version {
|
Line 3249 sub version {
|
| $remoteVERSION=(split(/:/,$userinput))[1]; |
$remoteVERSION=(split(/:/,$userinput))[1]; |
| return "version:$VERSION"; |
return "version:$VERSION"; |
| } |
} |
| ############## >>>>>>>>>>>>>>>>>>>>>>>>>> FUTUREWORK <<<<<<<<<<<<<<<<<<<<<<<<<<<< |
|
| #There is a copy of this in lonnet.pm |
#There is a copy of this in lonnet.pm |
| # Can we hoist these lil' things out into common places? |
|
| # |
|
| sub userload { |
sub userload { |
| my $numusers=0; |
my $numusers=0; |
| { |
{ |
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