function DBNewRun($param, $c = null)
{
if (isset($param['contestnumber']) && !isset($param['contest'])) {
$param['contest'] = $param['contestnumber'];
}
if (isset($param['sitenumber']) && !isset($param['site'])) {
$param['site'] = $param['sitenumber'];
}
if (isset($param['usernumber']) && !isset($param['user'])) {
$param['user'] = $param['usernumber'];
}
if (isset($param['number']) && !isset($param['runnumber'])) {
$param['runnumber'] = $param['number'];
}
if (isset($param['runlangnumber']) && !isset($param['lang'])) {
$param['lang'] = $param['runlangnumber'];
}
if (isset($param['runproblem']) && !isset($param['problem'])) {
$param['problem'] = $param['runproblem'];
}
$ac = array('contest', 'site', 'user', 'problem', 'lang', 'filename', 'filepath');
$ac1 = array('runnumber', 'rundate', 'rundatediff', 'rundatediffans', 'runanswer', 'runstatus', 'runjudge', 'runjudgesite', 'runjudge1', 'runjudgesite1', 'runanswer1', 'runjudge2', 'runjudgesite2', 'runanswer2', 'autoip', 'autobegindate', 'autoenddate', 'autoanswer', 'autostdout', 'autostderr', 'updatetime');
$type['contest'] = 1;
$type['autobegindate'] = 1;
$type['autoenddate'] = 1;
$type['problem'] = 1;
$type['updatetime'] = 1;
$type['site'] = 1;
$type['user'] = 1;
$type['runnumber'] = 1;
$type['rundatediffans'] = 1;
$type['rundatediff'] = 1;
$type['rundate'] = 1;
$type['runanswer'] = 1;
$type['runjudge'] = 1;
$type['runjudgesite'] = 1;
$type['runjudge1'] = 1;
$type['runjudgesite1'] = 1;
$type['runanswer1'] = 1;
$type['runjudge2'] = 1;
$type['runjudgesite2'] = 1;
$type['runanswer2'] = 1;
foreach ($ac as $key) {
if (!isset($param[$key]) || $param[$key] == "") {
MSGError("DBNewRun param error: {$key} not found");
return false;
}
if (isset($type[$key]) && !is_numeric($param[$key])) {
MSGError("DBNewRun param error: {$key} is not numeric");
return false;
}
${$key} = sanitizeText($param[$key]);
}
$t = time();
$autoip = '';
$autobegindate = 'NULL';
$autoenddate = 'NULL';
$autoanswer = '';
$autostdout = '';
$autostderr = '';
$runjudge = 'NULL';
$runjudgesite = 'NULL';
$runjudge1 = 'NULL';
$runjudgesite1 = 'NULL';
$runanswer1 = 0;
$runjudge2 = 'NULL';
$runjudgesite2 = 'NULL';
$runanswer2 = 0;
$runnumber = -1;
$updatetime = -1;
$rundatediff = -1;
$rundate = $t;
$runanswer = 0;
$rundatediffans = 999999999;
$runstatus = 'openrun';
foreach ($ac1 as $key) {
if (isset($param[$key])) {
${$key} = sanitizeText($param[$key]);
if (isset($type[$key]) && !is_numeric($param[$key])) {
MSGError("DBNewRun param error: {$key} is not numeric");
return false;
}
}
}
if ($updatetime < 0) {
$updatetime = $t;
}
$cw = false;
if ($c == null) {
$cw = true;
$c = DBConnect();
DBExec($c, "begin work", "DBNewRun(transaction)");
}
$insert = true;
$oid1 = '';
$oid2 = '';
$oldold1 = '';
$oldold2 = '';
$sql = "select sitenextrun as nextrun from " . "sitetable where sitenumber={$site} and contestnumber={$contest} for update";
$r = DBExec($c, $sql, "DBNewRun(get site for update)");
if (DBnlines($r) != 1) {
DBExec($c, "rollback work", "DBNewRun(rollback-site)");
LOGError("Unable to find a unique site/contest in the database. SQL=(" . $sql . ")");
MSGError("Unable to find a unique site/contest in the database.");
return false;
}
$a = DBRow($r, 0);
$n = $a["nextrun"] + 1;
if ($runnumber > 0) {
$sql = "select * from runtable as t where t.contestnumber={$contest} and " . "t.runsitenumber={$site} and t.runnumber={$runnumber}";
$r = DBExec($c, $sql . " for update", "DBNewRun(get run for update)");
$n = DBnlines($r);
if ($n > 0) {
$insert = false;
$lr = DBRow($r, 0);
$t = $lr['updatetime'];
if (isset($lr['autostdout'])) {
$oid1 = $lr['autostdout'];
}
if (isset($lr['autostderr'])) {
$oid2 = $lr['autostderr'];
}
}
$n = $runnumber;
} else {
$runnumber = $n;
}
if ($rundatediff < 0) {
$b = DBSiteInfo($contest, $site, $c);
$dif = $b["currenttime"];
$rundatediff = $dif;
if ($dif < 0) {
if (!isset($param['allowneg'])) {
DBExec($c, "rollback work", "DBNewRun(rollback-started)");
LOGError("Tried to submit a run but the contest is not started. SQL=(" . $sql . ")");
MSGError("The contest is not started yet!");
return 0;
}
}
if (!$b["siterunning"]) {
DBExec($c, "rollback work", "DBNewRun(rollback-over)");
LOGError("Tried to submit a run but the contest is over. SQL=(" . $sql . ")");
MSGError("The contest is over!");
return 0;
}
} else {
$dif = $rundatediff;
}
if ($updatetime > $t || $insert) {
DBExec($c, "update sitetable set sitenextrun={$runnumber}, updatetime=" . $t . " where sitenumber={$site} and contestnumber={$contest} and sitenextrun<{$runnumber}", "DBNewRun(update site)");
// LOGError($autostdout);
if (substr($autostdout, 0, 7) == "base64:") {
$autostdout = base64_decode(substr($autostdout, 7));
$oldoid1 = $oid1;
if (($oid1 = DB_lo_import_text($c, $autostdout)) == null) {
DBExec($c, "rollback work", "DBNewRun(rollback-import stdout)");
LOGError("Unable to create a large object for file stdout (run={$runnumber},site={$site},contest={$contest}).");
MSGError("problem importing stdout to database. Contact an admin now!");
return false;
}
} else {
if ($autostdout != '') {
DBExec($c, "rollback work", "DBNewRun(rollback-import stderr)");
LOGError("Unable to create a large object for file stdout that is not BASE64 (run={$runnumber},site={$site},contest={$contest}).");
MSGError("problem importing stdout (not BASE64) to database. Contact an admin now!");
return false;
}
$oid1 = 'NULL';
}
if (substr($autostderr, 0, 7) == "base64:") {
// LOGError($autostderr);
$autostderr = base64_decode(substr($autostderr, 7));
$oldoid2 = $oid2;
if (($oid2 = DB_lo_import_text($c, $autostderr)) == null) {
DBExec($c, "rollback work", "DBNewRun(rollback-import stderr)");
LOGError("Unable to create a large object for file stderr (run={$runnumber},site={$site},contest={$contest}).");
MSGError("problem importing stderr to database. Contact an admin now!");
return false;
}
} else {
if ($autostderr != '') {
DBExec($c, "rollback work", "DBNewRun(rollback-import stderr)");
LOGError("Unable to create a large object for file stderr that is not BASE64 (run={$runnumber},site={$site},contest={$contest}).");
MSGError("problem importing stderr (not BASE64) to database. Contact an admin now!");
return false;
}
$oid2 = 'NULL';
}
}
$ret = 1;
if ($insert) {
if (substr($filepath, 0, 7) != "base64:") {
if (($oid = DB_lo_import($c, $filepath)) === false) {
DBExec($c, "rollback work", "DBNewRun(rollback-import)");
LOGError("DBNewRun: Unable to create a large object for file {$filepath}.");
MSGError("problem importing file {$filepath} to database. Contact an admin now!");
return false;
}
} else {
$filepath = base64_decode(substr($filepath, 7));
if (($oid = DB_lo_import_text($c, $filepath)) == null) {
DBExec($c, "rollback work", "DBNewRun(rollback-import)");
LOGError("DBNewRun: Unable to create a large object for file.");
MSGError("problem importing file to database. Contact an admin now!");
return false;
}
}
DBExec($c, "INSERT INTO runtable (contestnumber, runsitenumber, runnumber, usernumber, rundate, " . "rundatediff, rundatediffans, runproblem, runfilename, rundata, runanswer, runstatus, runlangnumber, " . "runjudge, runjudgesite, runanswer1, runjudge1, runjudgesite1, runanswer2, runjudge2, runjudgesite2, " . "autoip, autobegindate, autoenddate, autoanswer, autostdout, autostderr, updatetime) " . "VALUES ({$contest}, {$site}, {$n}, {$user}, {$rundate}, {$rundatediff}, {$rundatediffans}, {$problem}, '{$filename}', {$oid}, {$runanswer}, " . "'{$runstatus}', {$lang}, {$runjudge}, {$runjudgesite}, {$runanswer1}, {$runjudge1}, {$runjudgesite1}, {$runanswer2}, {$runjudge2}, " . "{$runjudgesite2}, '{$autoip}', {$autobegindate}, {$autoenddate}, '{$autoanswer}', {$oid1}, {$oid2}, {$updatetime})", "DBNewRun(insert run)");
if ($cw) {
DBExec($c, "commit work", "DBNewRun(commit)");
LOGLevel("User {$user} submitted a run (#{$n}) on site #{$site} " . "(problem={$problem},filename={$filename},lang={$lang},contest={$contest},date={$t},datedif={$dif},oid={$oid}).", 2);
}
$ret = 2;
} else {
if ($updatetime > $t) {
$ret = 2;
DBExec($c, "update runtable set rundate={$rundate}, rundatediff={$rundatediff}, " . "rundatediffans={$rundatediffans}, runanswer={$runanswer}, runanswer1={$runanswer1}, runanswer2={$runanswer2}, runstatus='{$runstatus}', " . "runjudge1={$runjudge1}, runjudgesite1={$runjudgesite1}, runjudge2={$runjudge2}, runjudgesite2={$runjudgesite2}, " . "runjudge={$runjudge}, runjudgesite={$runjudgesite}, updatetime={$updatetime}, " . "autoip='{$autoip}', autobegindate={$autobegindate}, autoenddate={$autoenddate}, autoanswer='{$autoanswer}', " . "autostdout={$oid1}, autostderr={$oid2} " . "where runnumber={$runnumber} and contestnumber={$contest} and runsitenumber={$site}", "DBNewRun(update run)");
if (is_numeric($oldoid1)) {
DB_lo_unlink($c, $oldoid1);
}
if (is_numeric($oldoid2)) {
DB_lo_unlink($c, $oldoid2);
}
}
if ($cw) {
DBExec($c, "commit work", "DBNewRun(commit-update)");
}
}
return $ret;
/* // isso gera problemas de portabilidade e de seguranca (quando outros usuarios tambem tem shell
// no servidor e podem construir paginas web. Eles podem usar essas paginas para acessar esses arquivos,
// pois os mesmos ficaram com dono apache/www-data/etc)
umask(0077);
@mkdir("/tmp/boca");
if (!move_uploaded_file ($filepath,
"/tmp/boca/contest${contest}.site${site}.run${n}.user${user}.problem${problem}.time${t}.${filename}"))
LOGLevel("Run not saved as file (run=$n,site=$site,contest=$contest", 1);
*/
}
function DBNewProblem($contestnumber, $param, $c = null)
{
if (isset($param["action"]) && $param["action"] == "delete") {
return DBDeleteProblem($contestnumber, $param);
}
$ac = array('number', 'name');
$type['number'] = 1;
$type['updatetime'] = 1;
$ac1 = array('colorname', 'fake', 'color', 'updatetime', 'fullname', 'basename', 'inputfilename', 'inputfilepath');
$colorname = '';
$color = '';
$fake = 'f';
foreach ($ac as $key) {
if (!isset($param[$key])) {
MSGError("DBNewProblem param error: {$key} is not set");
return false;
}
if (isset($type[$key]) && !is_numeric($param[$key])) {
MSGError("DBNewProblem param error: {$key} is not numeric");
return false;
}
${$key} = sanitizeText($param[$key]);
}
$basename = '';
$inputfilename = '';
$inputfilepath = '';
$fullname = '';
$updatetime = -1;
foreach ($ac1 as $key) {
if (isset($param[$key])) {
if (isset($type[$key]) && !is_numeric($param[$key])) {
MSGError("DBNewProblem param error: {$key} is not numeric");
return false;
}
${$key} = sanitizeText($param[$key]);
}
}
$t = time();
if ($updatetime <= 0) {
$updatetime = $t;
}
$inputhash = '';
$sql2 = "select * from problemtable where contestnumber={$contestnumber} and problemnumber={$number} for update";
// "select * from problemtable where contestnumber=$contestnumber and problemnumber=$number " .
// "and probleminputfilename='$inputfilename'";
$cw = false;
if ($c == null) {
$cw = true;
$c = DBConnect();
DBExec($c, "begin work", "DBNewProblem(transaction)");
}
$r = DBExec($c, $sql2, "DBNewProblem(get problem for update)");
$n = DBnlines($r);
$ret = 1;
$oldfullname = '';
$deservesupdatetime = false;
if ($n == 0) {
DBExec($c, "insert into problemtable (contestnumber, problemnumber, problemname, problemcolor) values " . "({$contestnumber}, {$number}, '{$name}','-1')", "DBNewProblem(insert problem)");
$deservesupdatetime = true;
$s = "created";
} else {
$lr = DBRow($r, 0);
$t = $lr['updatetime'];
$oldfullname = $lr['problemfullname'];
$s = "updated";
$inputhash = $lr['probleminputfilehash'];
}
if ($s == "created" || $updatetime > $t) {
if (substr($inputfilepath, 0, 7) != "base64:") {
if ($inputfilepath != "") {
$hash = myshorthash(file_get_contents($inputfilepath));
if ($hash != $inputhash) {
$oldoid = '';
if (isset($lr)) {
$oldoid = $lr['probleminputfile'];
}
if (($oid1 = DB_lo_import($c, $inputfilepath)) === false) {
DBExec($c, "rollback work", "DBNewProblem(rollback-input)");
LOGError("Unable to create a large object for file {$inputfilename}.");
MSGError("problem importing file to database. See log for details!");
exit;
}
if ($oldoid != '') {
DB_lo_unlink($c, $oldoid);
}
$inputhash = DBcrc($contestnumber, $oid1, $c);
} else {
$oid1 = $lr['probleminputfile'];
}
}
} else {
$inputfilepath = base64_decode(substr($inputfilepath, 7));
$hash = myshorthash($inputfilepath);
if ($hash != $inputhash) {
$oldoid = '';
if (isset($lr)) {
$oldoid = $lr['probleminputfile'];
}
if (($oid1 = DB_lo_import_text($c, $inputfilepath)) == null) {
DBExec($c, "rollback work", "DBNewProblem(rollback-i-import)");
LOGError("Unable to import the large object for file {$inputfilename}.");
MSGError("problem importing file to database. See log for details!");
exit;
}
if ($oldoid != '') {
DB_lo_unlink($c, $oldoid);
}
$inputhash = DBcrc($contestnumber, $oid1, $c);
} else {
$oid1 = $lr['probleminputfile'];
}
}
if ($name != "") {
DBExec($c, "update problemtable set problemname='{$name}' where contestnumber={$contestnumber} " . "and problemnumber={$number}", "DBNewProblem(update name)");
}
if ($fullname != "" || strpos($oldfullname, '(DEL)') !== false) {
$deservesupdatetime = true;
DBExec($c, "update problemtable set problemfullname='{$fullname}' where contestnumber={$contestnumber} " . "and problemnumber={$number}", "DBNewProblem(update fullname)");
}
if ($basename != "") {
$deservesupdatetime = true;
DBExec($c, "update problemtable set problembasefilename='{$basename}' where contestnumber={$contestnumber} " . "and problemnumber={$number}", "DBNewProblem(update basename)");
}
if ($colorname != "") {
DBExec($c, "update problemtable set problemcolorname='{$colorname}' where contestnumber={$contestnumber} " . "and problemnumber={$number}", "DBNewProblem(update colorname)");
}
if ($color != "") {
DBExec($c, "update problemtable set problemcolor='{$color}' where contestnumber={$contestnumber} " . "and problemnumber={$number}", "DBNewProblem(update color)");
}
if ($inputfilename != "") {
$deservesupdatetime = true;
DBExec($c, "update problemtable set probleminputfilename='{$inputfilename}' where " . "contestnumber={$contestnumber} and problemnumber={$number} ", "DBNewProblem(update inputfilename)");
}
if ($inputfilepath != "") {
$deservesupdatetime = true;
DBExec($c, "update problemtable set probleminputfile={$oid1},probleminputfilehash='{$inputhash}' where contestnumber={$contestnumber} and " . "problemnumber={$number} ", "DBNewProblem(update inputfile)");
}
if ($fake == "t") {
$deservesupdatetime = true;
DBExec($c, "update problemtable set fake='{$fake}' where contestnumber={$contestnumber} and " . "problemnumber={$number}", "DBNewProblem(update fake)");
}
if ($deservesupdatetime) {
$ds = DIRECTORY_SEPARATOR;
if ($ds == "") {
$ds = "/";
}
@unlink($_SESSION["locr"] . $ds . "private" . $ds . "problemtmp" . $ds . "contest" . $contestnumber . "-problem" . $number . '.name');
DBExec($c, "update problemtable set updatetime=" . $updatetime . " where contestnumber={$contestnumber} and problemnumber={$number}", "DBNewProblem(time)");
}
if ($cw) {
DBExec($c, "commit work", "DBNewProblem(commit)");
}
LOGLevel("Problem {$number} (inputfile={$inputfilename}) {$s} (user="******"usertable"]["usernumber"] . ",site=" . $_SESSION["usertable"]["usersitenumber"] . ",contest={$contestnumber})", 2);
$ret = 2;
} else {
if ($cw) {
DBExec($c, "commit work", "DBNewProblem(commit)");
}
}
return $ret;
}
function DBNewTask($param, $c = null)
{
if (isset($param['contestnumber']) && !isset($param['contest'])) {
$param['contest'] = $param['contestnumber'];
}
if (isset($param['sitenumber']) && !isset($param['site'])) {
$param['site'] = $param['sitenumber'];
}
if (isset($param['usernumber']) && !isset($param['user'])) {
$param['user'] = $param['usernumber'];
}
if (isset($param['number']) && !isset($param['tasknumber'])) {
$param['tasknumber'] = $param['number'];
}
$ac = array('contest', 'site', 'user', 'desc');
$ac1 = array('color', 'colorname', 'updatetime', 'filename', 'filepath', 'sys', 'tasknumber', 'status', 'taskdate', 'taskdatediff', 'taskdatediffans', 'taskstaffnumber', 'taskstaffsite');
$type['contest'] = 1;
$type['updatetime'] = 1;
$type['site'] = 1;
$type['user'] = 1;
$type['tasknumber'] = 1;
$type['taskdate'] = 1;
$type['taskdatediff'] = 1;
$type['taskdatediffans'] = 1;
$type['taskstaffnumber'] = 1;
$type['taskstaffsite'] = 1;
foreach ($ac as $key) {
if (!isset($param[$key]) || $param[$key] == "") {
MSGError("DBNewTask param error: {$key} not found");
return false;
}
if (isset($type[$key]) && !is_numeric($param[$key])) {
MSGError("DBNewTask param error: {$key} is not numeric");
return false;
}
${$key} = sanitizeText($param[$key]);
}
$taskstaffnumber = -1;
$taskstaffsite = -1;
$t = time();
$taskdate = $t;
$sys = 'f';
$filename = '';
$filepath = '';
$color = '';
$colorname = '';
$tasknumber = -1;
$taskdatediffans = 999999999;
$updatetime = -1;
$status = 'opentask';
$taskdatediff = -1;
foreach ($ac1 as $key) {
if (isset($param[$key])) {
${$key} = sanitizeText($param[$key]);
if (isset($type[$key]) && !is_numeric($param[$key])) {
MSGError("DBNewTask param error: {$key} is not numeric");
return false;
}
}
}
if ($updatetime <= 0) {
$updatetime = $t;
}
if ($sys != 't') {
$sys = 'f';
}
$cw = false;
if ($c == null) {
$cw = true;
$c = DBConnect();
DBExec($c, "begin work", "DBNewTask(transaction)");
}
$insert = true;
if ($tasknumber < 0) {
$sql = "select sitenexttask as nexttask, sitemaxtask as maxtask from " . "sitetable where sitenumber={$site} and contestnumber={$contest} for update";
$r = DBExec($c, $sql, "DBNewTask(get site for update)");
if (DBnlines($r) != 1) {
DBExec($c, "rollback work", "DBNewTask(rollback-site)");
LOGError("Unable to find a unique site/contest in the database. SQL=(" . $sql . ")");
MSGError("Unable to find a unique site/contest in the database.");
exit;
}
$a = DBRow($r, 0);
$b = DBSiteInfo($contest, $site, $c);
$dif = $b["currenttime"];
if ($taskdatediff < 0) {
$taskdatediff = $dif;
}
if ($sys != 't' && DBCountOpenTasks($contest, $site, $user) > $a["maxtask"]) {
DBExec($c, "rollback work", "DBNewTask(rollback-maxtask)");
LOGError("Too many open tasks for user={$user}, site={$site}, contest={$contest}");
MSGError("Too many open tasks! Task not included.");
exit;
}
if ($sys != 't' && $dif < 0) {
DBExec($c, "rollback work", "DBNewTask(rollback-started)");
LOGError("Tried to submit a task but the contest is not started. SQL=(" . $sql . ")");
MSGError("The contest is not started yet!");
exit;
}
if ($sys != 't' && !$b["siterunning"]) {
DBExec($c, "rollback work", "DBNewTask(rollback-over)");
LOGError("Tried to submit a task but the contest is over. SQL=(" . $sql . ")");
MSGError("The contest is over!");
exit;
}
$tasknumber = $a["nexttask"] + 1;
} else {
$sql = "select * from tasktable as t where t.contestnumber={$contest} and " . "t.sitenumber={$site} and t.tasknumber={$tasknumber}";
$r = DBExec($c, $sql . " for update", "DBNewTask(get task for update)");
$n = DBnlines($r);
if ($n > 0) {
$insert = false;
$lr = DBRow($r, 0);
$t = $lr['updatetime'];
}
}
DBExec($c, "update sitetable set sitenexttask={$tasknumber}, updatetime=" . $t . " where sitenumber={$site} and contestnumber={$contest} and sitenexttask<{$tasknumber}", "DBNewTask(update site)");
$ret = 1;
if ($insert) {
if ($filename != "" && $filepath != "") {
if (substr($filepath, 0, 7) != "base64:") {
if (($oid = DB_lo_import($c, $filepath)) === false) {
DBExec($c, "rollback work", "DBNewTask(rollback-import)");
LOGError("DBNewTask: Unable to create a large object for file {$filepath}.");
MSGError("problem importing file to database. Contact an admin now!");
exit;
}
} else {
$filepath = base64_decode(substr($filepath, 7));
if (($oid = DB_lo_import_text($c, $filepath)) == null) {
DBExec($c, "rollback work", "DBNewTask(rollback-import)");
LOGError("DBNewTask: Unable to create a large object for file.");
MSGError("problem importing file to database. Contact an admin now!");
exit;
}
}
} else {
$oid = "NULL";
}
DBExec($c, "INSERT INTO tasktable (contestnumber, sitenumber, tasknumber, usernumber, taskdate, " . "taskdatediff, taskdatediffans, taskfilename, taskdata, taskstatus, taskdesc, tasksystem, " . "color, colorname, updatetime) " . "VALUES ({$contest}, {$site}, {$tasknumber}, {$user}, {$taskdate}, {$taskdatediff}, {$taskdatediffans}, '{$filename}', {$oid}, '{$status}', " . "'{$desc}', '{$sys}', '{$color}', '{$colorname}', {$updatetime})", "DBNewTask(insert task)");
if ($sys == "t") {
$u = "System";
} else {
$u = "User {$user}";
}
if ($cw) {
DBExec($c, "commit work", "DBNewTask(commit-insert)");
LOGLevel("{$u} submitted a task (#{$tasknumber}) on site #{$site} " . "(filename={$filename}, contest={$contest}).", 2);
}
$ret = 2;
} else {
if ($updatetime > $t) {
$ret = 2;
$sql = "update tasktable set usernumber={$user}, taskdesc='{$desc}', " . "color='{$color}',colorname='{$colorname}',taskstatus='{$status}',";
if ($taskstaffnumber > 0) {
$sql .= "taskstaffnumber={$taskstaffnumber}, ";
}
if ($taskstaffsite > 0) {
$sql .= "taskstaffsite={$taskstaffsite}, ";
}
$sql .= "taskdatediffans={$taskdatediffans}, updatetime={$updatetime} where " . "contestnumber={$contest} and sitenumber={$site} and tasknumber={$tasknumber}";
DBExec($c, $sql, "DBNewTask(update task)");
}
if ($cw) {
DBExec($c, "commit work", "DBNewTask(commit-update)");
}
}
return $ret;
}
function DBNewBkp($contest, $site, $user, $filename, $filepath, $size)
{
$c = DBConnect();
DBExec($c, "begin work", "DBNewBkp(transaction)");
DBExec($c, "lock table bkptable");
$sql = "select count(*) as n from " . "bkptable where sitenumber={$site} and contestnumber={$contest} and usernumber={$user} and bkpstatus='active'";
$r = DBExec($c, $sql, "DBNewBkp(get bkp of user)");
if (DBnlines($r) != 1) {
DBExec($c, "rollback work", "DBNewBkp(rollback-toomanyerror)");
LOGError("Error in bkp table. SQL=(" . $sql . ")");
MSGError("Error in bkp table.");
exit;
}
$a = DBRow($r, 0);
if ($a['n'] > 100) {
DBExec($c, "rollback work", "DBNewBkp(rollback-toomany)");
LOGError("Too many bkps from user={$user}, site={$site}, contest={$contest}.", 2);
MSGError("Too many bkp files. Try remove some of them before uploading another.");
return false;
}
$sql = "select max(bkpnumber) as nextbkp from " . "bkptable where sitenumber={$site} and contestnumber={$contest}";
$r = DBExec($c, $sql, "DBNewBkp(get bkp for update)");
if (DBnlines($r) != 1) {
DBExec($c, "rollback work", "DBNewBkp(rollback-max)");
LOGError("Error in bkp table. SQL=(" . $sql . ")");
MSGError("Error in bkp table.");
exit;
}
$a = DBRow($r, 0);
$t = time();
$n = $a["nextbkp"] + 1;
if (($oid = DB_lo_import($c, $filepath)) === false) {
DBExec($c, "rollback work", "DBNewBkp(rollback-import)");
LOGError("Unable to create a large object for file {$filepath}.");
MSGError("problem importing bkp to database. Contact an admin now!");
exit;
}
DBExec($c, "INSERT INTO bkptable (contestnumber, sitenumber, bkpnumber, usernumber, bkpdate, bkpfilename, bkpdata, bkpstatus, bkpsize) " . "VALUES ({$contest}, {$site}, {$n}, {$user}, {$t}, '{$filename}', {$oid}, 'active', {$size})", "DBNewBkp(insert bkp)");
DBExec($c, "commit work", "DBNewBkp(commit)");
LOGLevel("User {$user} submitted a bkp (#{$n}) on site #{$site} " . "(filename={$filename}, contest={$contest}).", 2);
/* // isso gera problemas de portabilidade e de seguranca (quando outros usuarios tambem tem shell
// no servidor e podem construir paginas web. Eles podem usar essas paginas para acessar esses arquivos,
// pois os mesmos ficaram com dono apache/www-data/etc)
umask(0077);
@mkdir("/tmp/boca");
if (!move_uploaded_file ($filepath,
"/tmp/boca/contest${contest}.site${site}.run${n}.user${user}.problem${problem}.time${t}.${filename}"))
LOGLevel("Run not saved as file (run=$n,site=$site,contest=$contest", 1);
*/
}