includes/general.php

   1 <? /*
   2     LibreSSL - CAcert web application
   3     Copyright (C) 2004-2008  CAcert Inc.
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; version 2 of the License.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17 */
  18
  19         require_once(dirname(__FILE__)."/lib/general.php");
  20
  21         session_name("cacert");
  22         session_start();
  23
  24 //      session_register("_config");
  25 //      session_register("profile");
  26 //      session_register("signup");
  27 //      session_register("lostpw");
  28 //      if($_SESSION['profile']['id'] > 0)
  29 //              session_regenerate_id();
  30
  31         $pageLoadTime_Start = microtime(true);
  32
  33         $junk = array(_("Face to Face Meeting"), _("Trusted Third Parties"), _("Thawte Points Transfer"), _("Administrative Increase"),
  34                         _("CT Magazine - Germany"), _("Temporary Increase"), _("Unknown"));
  35
  36         $_SESSION['_config']['errmsg']="";
  37
  38         $id = 0; if(array_key_exists("id",$_REQUEST)) $id=intval($_REQUEST['id']);
  39         $oldid = 0; if(array_key_exists("oldid",$_REQUEST)) $oldid=intval($_REQUEST['oldid']);
  40
  41         $_SESSION['_config']['filepath'] = "/www";
  42
  43         require_once($_SESSION['_config']['filepath']."/includes/mysql.php");
  44         require_once($_SESSION['_config']['filepath'].'/includes/lib/account.php');
  45         require_once($_SESSION['_config']['filepath'].'/includes/lib/l10n.php');
  46
  47         if(array_key_exists('HTTP_HOST',$_SERVER) &&
  48                         $_SERVER['HTTP_HOST'] != $_SESSION['_config']['normalhostname'] &&
  49                         $_SERVER['HTTP_HOST'] != $_SESSION['_config']['securehostname'] &&
  50                         $_SERVER['HTTP_HOST'] != $_SESSION['_config']['tverify'] &&
  51                         $_SERVER['HTTP_HOST'] != "stamp.cacert.org")
  52         {
  53                 if(array_key_exists('HTTPS',$_SERVER) && $_SERVER['HTTPS'] == "on")
  54                         header("location: https://".$_SESSION['_config']['normalhostname']);
  55                 else
  56                         header("location: http://".$_SESSION['_config']['normalhostname']);
  57                 exit;
  58         }
  59
  60         if(array_key_exists('HTTP_HOST',$_SERVER) &&
  61                         ($_SERVER['HTTP_HOST'] == $_SESSION['_config']['securehostname'] ||
  62                         $_SERVER['HTTP_HOST'] == $_SESSION['_config']['tverify']))
  63         {
  64                 if(array_key_exists('HTTPS',$_SERVER) && $_SERVER['HTTPS'] == "on")
  65                 {
  66                 }
  67                 else
  68                 {
  69                         if($_SERVER['HTTP_HOST'] == $_SESSION['_config']['securehostname'])
  70                         header("location: https://". $_SESSION['_config']['securehostname']);
  71                         if($_SERVER['HTTP_HOST'] == $_SESSION['_config']['tverify'])
  72                         header("location: https://".$_SESSION['_config']['tverify']);
  73                         exit;
  74                 }
  75         }
  76
  77         L10n::detect_language();
  78         L10n::init_gettext();
  79
  80         if(array_key_exists('profile',$_SESSION) && is_array($_SESSION['profile']) && array_key_exists('id',$_SESSION['profile']) && $_SESSION['profile']['id'] > 0)
  81         {
  82                 $locked = mysql_fetch_assoc(mysql_query("select `locked` from `users` where `id`='".intval($_SESSION['profile']['id'])."'"));
  83                 if($locked['locked'] == 0)
  84                 {
  85                         $query = "select sum(`points`) as `total` from `notary` where `to`='".intval($_SESSION['profile']['id'])."' and `deleted` = 0 group by `to`";
  86                         $res = mysql_query($query);
  87                         $row = mysql_fetch_assoc($res);
  88                         $_SESSION['profile']['points'] = $row['total'];
  89                 } else {
  90                         $_SESSION['profile'] = "";
  91                         unset($_SESSION['profile']);
  92                 }
  93         }
  94
  95         function loadem($section = "index")
  96         {
  97                 if($section != "index" && $section != "account" && $section != "tverify")
  98                 {
  99                         $section = "index";
 100                 }
 101
 102                 if($section == "account")
 103                         include_once($_SESSION['_config']['filepath']."/includes/account_stuff.php");
 104
 105                 if($section == "index")
 106                         include_once($_SESSION['_config']['filepath']."/includes/general_stuff.php");
 107
 108                 if($section == "tverify")
 109                         include_once($_SESSION['_config']['filepath']."/includes/tverify_stuff.php");
 110         }
 111
 112         function includeit($id = "0", $section = "index")
 113         {
 114                 $id = intval($id);
 115                 if($section != "index" && $section != "account" && $section != "wot" && $section != "help" && $section != "gpg" && $section != "disputes" && $section != "tverify" && $section != "advertising")
 116                 {
 117                         $section = "index";
 118                 }
 119
 120                 if($section == "tverify" && file_exists($_SESSION['_config']['filepath']."/tverify/index/$id.php"))
 121                         include_once($_SESSION['_config']['filepath']."/tverify/index/$id.php");
 122                 else if(file_exists($_SESSION['_config']['filepath']."/pages/$section/$id.php"))
 123                         include_once($_SESSION['_config']['filepath']."/pages/$section/$id.php");
 124                 else {
 125                         $id = "0";
 126
 127                         if(file_exists($_SESSION['_config']['filepath']."/pages/$section/$id.php"))
 128                                 include_once($_SESSION['_config']['filepath']."/pages/$section/$id.php");
 129                         else {
 130
 131                                 $section = "index";
 132                                 $id = "0";
 133
 134                                 if(file_exists($_SESSION['_config']['filepath']."/pages/$section/$id.php"))
 135                                         include_once($_SESSION['_config']['filepath']."/pages/$section/$id.php");
 136                                 else
 137                                         include_once($_SESSION['_config']['filepath']."/www/error404.php");
 138                         }
 139                 }
 140         }
 141
 142         function checkpwlight($pwd) {
 143                 $points = 0;
 144
 145                 if(strlen($pwd) > 15)
 146                         $points++;
 147                 if(strlen($pwd) > 20)
 148                         $points++;
 149                 if(strlen($pwd) > 25)
 150                         $points++;
 151                 if(strlen($pwd) > 30)
 152                         $points++;
 153
 154                 //echo "Points due to length: $points<br/>";
 155
 156                 if(preg_match("/\d/", $pwd))
 157                         $points++;
 158
 159                 if(preg_match("/[a-z]/", $pwd))
 160                         $points++;
 161
 162                 if(preg_match("/[A-Z]/", $pwd))
 163                         $points++;
 164
 165                 if(preg_match("/\W/", $pwd))
 166                         $points++;
 167
 168                 if(preg_match("/\s/", $pwd))
 169                         $points++;
 170
 171                 //echo "Points due to length and charset: $points<br/>";
 172
 173                 // check for historical password proposal
 174                 if ($pwd === "Fr3d Sm|7h") {
 175                         return 0;
 176                 }
 177
 178                 return $points;
 179         }
 180
 181         function checkpw($pwd, $email, $fname, $mname, $lname, $suffix)
 182         {
 183                 $points = checkpwlight($pwd);
 184
 185                 if(@strstr(strtolower($pwd), strtolower($email)))
 186                         $points--;
 187
 188                 if(@strstr(strtolower($email), strtolower($pwd)))
 189                         $points--;
 190
 191                 if(@strstr(strtolower($pwd), strtolower($fname)))
 192                         $points--;
 193
 194                 if(@strstr(strtolower($fname), strtolower($pwd)))
 195                         $points--;
 196
 197                 if($mname)
 198                 if(@strstr(strtolower($pwd), strtolower($mname)))
 199                         $points--;
 200
 201                 if($mname)
 202                 if(@strstr(strtolower($mname), strtolower($pwd)))
 203                         $points--;
 204
 205                 if(@strstr(strtolower($pwd), strtolower($lname)))
 206                         $points--;
 207
 208                 if(@strstr(strtolower($lname), strtolower($pwd)))
 209                         $points--;
 210
 211                 if($suffix)
 212                 if(@strstr(strtolower($pwd), strtolower($suffix)))
 213                         $points--;
 214
 215                 if($suffix)
 216                 if(@strstr(strtolower($suffix), strtolower($pwd)))
 217                         $points--;
 218
 219                 //echo "Points due to name matches: $points<br/>";
 220
 221                 $shellpwd = escapeshellarg($pwd);
 222                 $do = shell_exec("grep -F -- $shellpwd /usr/share/dict/american-english");
 223                 if($do)
 224                         $points--;
 225
 226                 //echo "Points due to wordlist: $points<br/>";
 227
 228                 return($points);
 229         }
 230
 231         function extractit()
 232         {
 233                 $bits = explode(": ", $_SESSION['_config']['subject'], 2);
 234                 $bits = str_replace(", ", "|", str_replace("/", "|", array_key_exists('1',$bits)?$bits['1']:""));
 235                 $bits = explode("|", $bits);
 236
 237                 $_SESSION['_config']['cnc'] = $_SESSION['_config']['subaltc'] = 0;
 238                 $_SESSION['_config']['OU'] = "";
 239
 240                 if(is_array($bits))
 241                 foreach($bits as $val)
 242                 {
 243                         if(!strstr($val, "="))
 244                                 continue;
 245
 246                         $split = explode("=", $val);
 247
 248                         $k = $split[0];
 249                         $split['1'] = trim($split['1']);
 250                         if($k == "CN" && $split['1'])
 251                         {
 252                                 $k = $_SESSION['_config']['cnc'].".".$k;
 253                                 $_SESSION['_config']['cnc']++;
 254                                 $_SESSION['_config'][$k] = $split['1'];
 255                         }
 256                         if($k == "OU" && $split['1'] && $_SESSION['_config']['OU'] == "")
 257                         {
 258                                 $_SESSION['_config']['OU'] = $split['1'];
 259                         }
 260                         if($k == "subjectAltName" && $split['1'])
 261                         {
 262                                 $k = $_SESSION['_config']['subaltc'].".".$k;
 263                                 $_SESSION['_config']['subaltc']++;
 264                                 $_SESSION['_config'][$k] = $split['1'];
 265                         }
 266                 }
 267         }
 268
 269         function getcn()
 270         {
 271                 unset($_SESSION['_config']['rows']);
 272                 unset($_SESSION['_config']['rowid']);
 273                 unset($_SESSION['_config']['rejected']);
 274                 $rows=array();
 275                 $rowid=array();
 276                 for($cnc = 0; $cnc < $_SESSION['_config']['cnc']; $cnc++)
 277                 {
 278                         $CN = $_SESSION['_config']["$cnc.CN"];
 279                         $bits = explode(".", $CN);
 280                         $dom = "";
 281                         $cnok = 0;
 282                         for($i = count($bits) - 1; $i >= 0; $i--)
 283                         {
 284                                 if($dom)
 285                                         $dom = $bits[$i].".".$dom;
 286                                 else
 287                                         $dom = $bits[$i];
 288                                 $_SESSION['_config']['row'] = "";
 289                                 $dom = mysql_real_escape_string($dom);
 290                                 $query = "select * from domains where `memid`='".intval($_SESSION['profile']['id'])."' and `domain` like '$dom' and `deleted`=0 and `hash`=''";
 291                                 $res = mysql_query($query);
 292                                 if(mysql_num_rows($res) > 0)
 293                                 {
 294                                         $cnok = 1;
 295                                         $_SESSION['_config']['row'] = mysql_fetch_assoc($res);
 296                                         $rowid[] = $_SESSION['_config']['row']['id'];
 297                                         break;
 298                                 }
 299                         }
 300
 301                         if($cnok == 0)
 302                                 $_SESSION['_config']['rejected'][] = $CN;
 303
 304                         if($_SESSION['_config']['row'] != "")
 305                                 $rows[] = $CN;
 306                 }
 307 //              if(count($rows) <= 0)
 308 //              {
 309 //                      echo _("There were no valid CommonName fields on the CSR, or I was unable to match any of these against your account. Please review your CSR, or add and verify domains contained in it to your account before trying again.");
 310 //                      exit;
 311 //              }
 312
 313                 $_SESSION['_config']['rows'] = $rows;
 314                 $_SESSION['_config']['rowid'] = $rowid;
 315         }
 316
 317         function getalt()
 318         {
 319                 unset($_SESSION['_config']['altrows']);
 320                 unset($_SESSION['_config']['altid']);
 321                 $altrows=array();
 322                 $altid=array();
 323                 for($altc = 0; $altc < $_SESSION['_config']['subaltc']; $altc++)
 324                 {
 325                         $subalt = $_SESSION['_config']["$altc.subjectAltName"];
 326                         if(substr($subalt, 0, 4) == "DNS:")
 327                                 $alt = substr($subalt, 4);
 328                         else
 329                                 continue;
 330
 331                         $bits = explode(".", $alt);
 332                         $dom = "";
 333                         $altok = 0;
 334                         for($i = count($bits) - 1; $i >= 0; $i--)
 335                         {
 336                                 if($dom)
 337                                         $dom = $bits[$i].".".$dom;
 338                                 else
 339                                         $dom = $bits[$i];
 340                                 $_SESSION['_config']['altrow'] = "";
 341                                 $dom = mysql_real_escape_string($dom);
 342                                 $query = "select * from domains where `memid`='".intval($_SESSION['profile']['id'])."' and `domain` like '$dom' and `deleted`=0 and `hash`=''";
 343                                 $res = mysql_query($query);
 344                                 if(mysql_num_rows($res) > 0)
 345                                 {
 346                                         $altok = 1;
 347                                         $_SESSION['_config']['altrow'] = mysql_fetch_assoc($res);
 348                                         $altid[] = $_SESSION['_config']['altrow']['id'];
 349                                         break;
 350                                 }
 351                         }
 352
 353                         if($altok == 0)
 354                                 $_SESSION['_config']['rejected'][] = $alt;
 355
 356                         if($_SESSION['_config']['altrow'] != "")
 357                                 $altrows[] = $subalt;
 358                 }
 359                 $_SESSION['_config']['altrows'] = $altrows;
 360                 $_SESSION['_config']['altid'] = $altid;
 361         }
 362
 363         function getcn2()
 364         {
 365                 $rows=array();
 366                 $rowid=array();
 367                 for($cnc = 0; $cnc < $_SESSION['_config']['cnc']; $cnc++)
 368                 {
 369                         $CN = $_SESSION['_config']["$cnc.CN"];
 370                         $bits = explode(".", $CN);
 371                         $dom = "";
 372                         for($i = count($bits) - 1; $i >= 0; $i--)
 373                         {
 374                                 if($dom)
 375                                         $dom = $bits[$i].".".$dom;
 376                                 else
 377                                         $dom = $bits[$i];
 378                                 $_SESSION['_config']['row'] = "";
 379                                 $dom = mysql_real_escape_string($dom);
 380                                 $query = "select *, `orginfo`.`id` as `id` from `orginfo`,`orgdomains`,`org` where
 381                                                 `org`.`memid`='".intval($_SESSION['profile']['id'])."' and
 382                                                 `org`.`orgid`=`orginfo`.`id` and
 383                                                 `orgdomains`.`orgid`=`orginfo`.`id` and
 384                                                 `orgdomains`.`domain`='$dom'";
 385                                 $res = mysql_query($query);
 386                                 if(mysql_num_rows($res) > 0)
 387                                 {
 388                                         $_SESSION['_config']['row'] = mysql_fetch_assoc($res);
 389                                         $rowid[] = $_SESSION['_config']['row']['id'];
 390                                         break;
 391                                 }
 392                         }
 393
 394                         if($_SESSION['_config']['row'] != "")
 395                                 $rows[] = $CN;
 396                 }
 397 //              if(count($rows) <= 0)
 398 //              {
 399 //                      echo _("There were no valid CommonName fields on the CSR, or I was unable to match any of these against your account. Please review your CSR, or add and verify domains contained in it to your account before trying again.");
 400 //                      exit;
 401 //              }
 402                 $_SESSION['_config']['rows'] = $rows;
 403                 $_SESSION['_config']['rowid'] = $rowid;
 404         }
 405
 406         function getalt2()
 407         {
 408                 $altrows=array();
 409                 $altid=array();
 410                 for($altc = 0; $altc < $_SESSION['_config']['subaltc']; $altc++)
 411                 {
 412                         $subalt = $_SESSION['_config']["$altc.subjectAltName"];
 413                         if(substr($subalt, 0, 4) == "DNS:")
 414                                 $alt = substr($subalt, 4);
 415                         else
 416                                 continue;
 417
 418                         $bits = explode(".", $alt);
 419                         $dom = "";
 420                         for($i = count($bits) - 1; $i >= 0; $i--)
 421                         {
 422                                 if($dom)
 423                                         $dom = $bits[$i].".".$dom;
 424                                 else
 425                                         $dom = $bits[$i];
 426                                 $_SESSION['_config']['altrow'] = "";
 427                                 $dom = mysql_real_escape_string($dom);
 428                                 $query = "select * from `orginfo`,`orgdomains`,`org` where
 429                                                 `org`.`memid`='".intval($_SESSION['profile']['id'])."' and
 430                                                 `org`.`orgid`=`orginfo`.`id` and
 431                                                 `orgdomains`.`orgid`=`orginfo`.`id` and
 432                                                 `orgdomains`.`domain`='$dom'";
 433                                 $res = mysql_query($query);
 434                                 if(mysql_num_rows($res) > 0)
 435                                 {
 436                                         $_SESSION['_config']['altrow'] = mysql_fetch_assoc($res);
 437                                         $altid[] = $_SESSION['_config']['altrow']['id'];
 438                                         break;
 439                                 }
 440                         }
 441
 442                         if($_SESSION['_config']['altrow'] != "")
 443                                 $altrows[] = $subalt;
 444                 }
 445                 $_SESSION['_config']['altrows'] = $altrows;
 446                 $_SESSION['_config']['altid'] = $altid;
 447         }
 448
 449         function checkownership($hostname)
 450         {
 451                 $bits = explode(".", $hostname);
 452                 $dom = "";
 453                 for($i = count($bits) - 1; $i >= 0; $i--)
 454                 {
 455                         if($dom)
 456                                 $dom = $bits[$i].".".$dom;
 457                         else
 458                                 $dom = $bits[$i];
 459                         $dom = mysql_real_escape_string($dom);
 460                         $query = "select * from `org`,`orgdomains`,`orginfo`
 461                                         where `org`.`memid`='".intval($_SESSION['profile']['id'])."'
 462                                         and `orgdomains`.`orgid`=`org`.`orgid`
 463                                         and `orginfo`.`id`=`org`.`orgid`
 464                                         and `orgdomains`.`domain`='$dom'";
 465                         $res = mysql_query($query);
 466                         if(mysql_num_rows($res) > 0)
 467                         {
 468                                 $_SESSION['_config']['row'] = mysql_fetch_assoc($res);
 469                                 return(true);
 470                         }
 471                 }
 472                 return(false);
 473         }
 474
 475         function maxpoints($id = 0)
 476         {
 477                 if($id <= 0)
 478                         $id = $_SESSION['profile']['id'];
 479
 480                 $query = "select sum(`points`) as `points` from `notary` where `to`='$id' and `deleted` = 0 group by `to`";
 481                 $row = mysql_fetch_assoc(mysql_query($query));
 482                 $points = $row['points'];
 483
 484                 $dob = date("Y-m-d", mktime(0,0,0,date("m"),date("d"),date("Y")-18));
 485                 $query = "select * from `users` where `id`='".intval($_SESSION['profile']['id'])."' and `dob` < '$dob'";
 486                 if(mysql_num_rows(mysql_query($query)) < 1)
 487                 {
 488                         if($points >= 100)
 489                                 return(10);
 490                         else
 491                                 return(0);
 492                 }
 493
 494                 if($points >= 150)
 495                         return(35);
 496                 if($points >= 140)
 497                         return(30);
 498                 if($points >= 130)
 499                         return(25);
 500                 if($points >= 120)
 501                         return(20);
 502                 if($points >= 110)
 503                         return(15);
 504                 if($points >= 100)
 505                         return(10);
 506                 return(0);
 507         }
 508
 509         function gpg_hex2bin($data)
 510         {
 511                 while(strstr($data, "\\x"))
 512                 {
 513                         $pos = strlen($data) - strlen(strstr($data, "\\x"));
 514                         $before = substr($data, 0, $pos);
 515                         $char = chr(hexdec(substr($data, $pos + 2, 2)));
 516                         $after = substr($data, $pos + 4);
 517                         $data = $before.$char.$after;
 518                 }
 519                 return(utf8_decode($data));
 520         }
 521
 522         function signmail($to, $subject, $message, $from, $replyto = "")
 523         {
 524                 if($replyto == "")
 525                         $replyto = $from;
 526                 $tmpfname = tempnam("/tmp", "CSR");
 527                 $fp = fopen($tmpfname, "w");
 528                 fputs($fp, $message);
 529                 fclose($fp);
 530                 $to_esc = escapeshellarg($to);
 531                 $do = shell_exec("/usr/bin/gpg --homedir /home/gpg --clearsign \"$tmpfname\"|/usr/sbin/sendmail ".$to_esc);
 532                 @unlink($tmpfname);
 533         }
 534
 535         function checkEmail($email)
 536         {
 537                 $myemail = mysql_real_escape_string($email);
 538                 if(preg_match("/^([a-zA-Z0-9])+([a-zA-Z0-9\+\._-])*@([a-zA-Z0-9_-])+([a-zA-Z0-9\._-]+)+$/" , $email))
 539                 {
 540                         list($username,$domain)=explode('@',$email,2);
 541                         $mxhostrr = array();
 542                         $mxweight = array();
 543                         if( !getmxrr($domain, $mxhostrr, $mxweight) ) {
 544                                 $mxhostrr = array($domain);
 545                                 $mxweight = array(0);
 546                         } else if ( empty($mxhostrr) ) {
 547                                 $mxhostrr = array($domain);
 548                                 $mxweight = array(0);
 549                         }
 550
 551                         $mxhostprio = array();
 552                         for($i = 0; $i < count($mxhostrr); $i++) {
 553                                 $mx_host = trim($mxhostrr[$i], '.');
 554                                 $mx_prio = $mxweight[$i];
 555                                 if(empty($mxhostprio[$mx_prio])) {
 556                                         $mxhostprio[$mx_prio] = array();
 557                                 }
 558                                 $mxhostprio[$mx_prio][] = $mx_host;
 559                         }
 560
 561                         array_walk($mxhostprio, function(&$mx) { shuffle($mx); } );
 562                         ksort($mxhostprio);
 563
 564                         $mxhosts = array();
 565                         foreach($mxhostprio as $mx_prio => $mxhostnames) {
 566                                 foreach($mxhostnames as $mx_host) {
 567                                         $mxhosts[] = $mx_host;
 568                                 }
 569                         }
 570
 571                         foreach($mxhosts as $key => $domain)
 572                         {
 573                                 $fp_opt = array(
 574                                         'ssl' => array(
 575                                                 'verify_peer'   => false,       // Opportunistic Encryption
 576                                                 )
 577                                         );
 578                                 $fp_ctx = stream_context_create($fp_opt);
 579                                 $fp = @stream_socket_client("tcp://$domain:25",$errno,$errstr,5,STREAM_CLIENT_CONNECT,$fp_ctx);
 580                                 if($fp)
 581                                 {
 582                                         stream_set_blocking($fp, true);
 583
 584                                         $has_starttls = false;
 585
 586                                         do {
 587                                                 $line = fgets($fp, 4096);
 588                                         } while(substr($line, 0, 4) == "220-");
 589                                         if(substr($line, 0, 3) != "220") {
 590                                                 fclose($fp);
 591                                                 continue;
 592                                         }
 593
 594                                         fputs($fp, "EHLO www.cacert.org\r\n");
 595                                         do {
 596                                                 $line = fgets($fp, 4096);
 597                                                 $has_starttls |= substr(trim($line),4) == "STARTTLS";
 598                                         } while(substr($line, 0, 4) == "250-");
 599                                         if(substr($line, 0, 3) != "250") {
 600                                                 fclose($fp);
 601                                                 continue;
 602                                         }
 603
 604                                         if($has_starttls) {
 605                                                 fputs($fp, "STARTTLS\r\n");
 606                                                 do {
 607                                                         $line = fgets($fp, 4096);
 608                                                 } while(substr($line, 0, 4) == "220-");
 609                                                 if(substr($line, 0, 3) != "220") {
 610                                                         fclose($fp);
 611                                                         continue;
 612                                                 }
 613
 614                                                 stream_socket_enable_crypto($fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
 615
 616                                                 fputs($fp, "EHLO www.cacert.org\r\n");
 617                                                 do {
 618                                                         $line = fgets($fp, 4096);
 619                                                 } while(substr($line, 0, 4) == "250-");
 620                                                 if(substr($line, 0, 3) != "250") {
 621                                                         fclose($fp);
 622                                                         continue;
 623                                                 }
 624                                         }
 625
 626                                         fputs($fp, "MAIL FROM:<returns@cacert.org>\r\n");
 627                                         do {
 628                                                 $line = fgets($fp, 4096);
 629                                         } while(substr($line, 0, 4) == "250-");
 630                                         if(substr($line, 0, 3) != "250") {
 631                                                 fclose($fp);
 632                                                 continue;
 633                                         }
 634
 635                                         fputs($fp, "RCPT TO:<$email>\r\n");
 636                                         do {
 637                                                 $line = fgets($fp, 4096);
 638                                         } while(substr($line, 0, 4) == "250-");
 639                                         if(substr($line, 0, 3) != "250") {
 640                                                 fclose($fp);
 641                                                 continue;
 642                                         }
 643
 644                                         fputs($fp, "QUIT\r\n");
 645                                         fclose($fp);
 646
 647                                         $line = mysql_real_escape_string(trim(strip_tags($line)));
 648                                         $query = "insert into `pinglog` set `when`=NOW(), `email`='$myemail', `result`='$line'";
 649                                         if(is_array($_SESSION['profile'])) $query.=", `uid`='".intval($_SESSION['profile']['id'])."'";
 650                                         mysql_query($query);
 651
 652                                         if(substr($line, 0, 3) != "250")
 653                                                 return $line;
 654                                         else
 655                                                 return "OK";
 656                                 }
 657                         }
 658                 }
 659                 $query = "insert into `pinglog` set `when`=NOW(), `uid`='".intval($_SESSION['profile']['id'])."',
 660                                 `email`='$myemail', `result`='Failed to make a connection to the mail server'";
 661                 mysql_query($query);
 662                 return _("Failed to make a connection to the mail server");
 663         }
 664
 665         function waitForResult($table, $certid, $id = 0, $show = 1)
 666         {
 667                 $found = $trycount = 0;
 668                 if($certid<=0)
 669                 {
 670                         if($show) showheader(_("My CAcert.org Account!"));
 671                         echo _("ERROR: The new Certificate ID is wrong. Please contact support.\n");
 672                         if($show) showfooter();
 673                         if($show) exit;
 674                         return;
 675                 }
 676                 while($trycount++ <= 40)
 677                 {
 678                         if($table == "gpg")
 679                                 $query = "select * from `$table` where `id`='".intval($certid)."' and `crt` != ''";
 680                         else
 681                                 $query = "select * from `$table` where `id`='".intval($certid)."' and `crt_name` != ''";
 682                         $res = mysql_query($query);
 683                         if(mysql_num_rows($res) > 0)
 684                         {
 685                                 $found = 1;
 686                                 break;
 687                         }
 688                         sleep(3);
 689                 }
 690
 691                 if(!$found)
 692                 {
 693                         if($show) showheader(_("My CAcert.org Account!"));
 694                         $query = "select * from `$table` where `id`='".intval($certid)."' ";
 695                         $res = mysql_query($query);
 696                         $body="";
 697                         $subject="";
 698                         if(mysql_num_rows($res) > 0)
 699                         {
 700                                 printf(_("Your certificate request is still queued and hasn't been processed yet. Please wait, and go to Certificates -> View to see it's status."));
 701                                 $subject="[CAcert.org] Certificate TIMEOUT";
 702                                 $body = "A certificate has timed out!\n\n";
 703                         }
 704                         else
 705                         {
 706                                 printf(_("Your certificate request has failed to be processed correctly, see %sthe WIKI page%s for reasons and solutions.")." certid:$table:".intval($certid), "<a href='http://wiki.cacert.org/wiki/FAQ/CertificateRenewal'>", "</a>");
 707                                 $subject="[CAcert.org] Certificate FAILURE";
 708                                 $body = "A certificate has failed: $table $certid $id $show\n\n";
 709                         }
 710
 711                         $body .= _("Best regards")."\n"._("CAcert.org Support!");
 712
 713                         sendmail("philipp@cacert.org", $subject, $body, "returns@cacert.org", "", "", "CAcert Support");
 714
 715                         if($show) showfooter();
 716                         if($show) exit;
 717                 }
 718         }
 719
 720
 721
 722         function generateTicket()
 723         {
 724                 $query = "insert into tickets (timestamp) values (now()) ";
 725                 mysql_query($query);
 726                 $ticket = mysql_insert_id();
 727                 return $ticket;
 728         }
 729
 730         function sanitizeHTML($input)
 731         {
 732                 return htmlentities(strip_tags($input), ENT_QUOTES, 'ISO-8859-1');
 733                 //In case of problems, please use the following line again:
 734                 //return htmlentities(strip_tags(utf8_decode($input)), ENT_QUOTES);
 735                 //return htmlspecialchars(strip_tags($input));
 736         }
 737
 738         function make_hash()
 739         {
 740                 if(function_exists("dio_open"))
 741                 {
 742                         $rnd = dio_open("/dev/urandom",O_RDONLY);
 743                         $hash = md5(dio_read($rnd,64));
 744                         dio_close($rnd);
 745                 } else {
 746                         $rnd = fopen("/dev/urandom", "r");
 747                         $hash = md5(fgets($rnd, 64));
 748                         fclose($rnd);
 749                 }
 750                 return($hash);
 751         }
 752
 753         function csrf_check($nam, $show=1)
 754         {
 755                 if(!array_key_exists('csrf',$_REQUEST) || !array_key_exists('csrf_'.$nam,$_SESSION))
 756                 {
 757                         showheader(_("My CAcert.org Account!"));
 758                         echo _("CSRF Hash is missing. Please try again.")."\n";
 759                         showfooter();
 760                         exit();
 761                 }
 762                 if(strlen($_REQUEST['csrf'])!=32)
 763                 {
 764                         showheader(_("My CAcert.org Account!"));
 765                         echo _("CSRF Hash is wrong. Please try again.")."\n";
 766                         showfooter();
 767                         exit();
 768                 }
 769                 if(!array_key_exists($_REQUEST['csrf'],$_SESSION['csrf_'.$nam]))
 770                 {
 771                         showheader(_("My CAcert.org Account!"));
 772                         echo _("CSRF Hash is wrong. Please try again.")."\n";
 773                         showfooter();
 774                         exit();
 775                 }
 776         }
 777         function make_csrf($nam)
 778         {
 779                 $hash=make_hash();
 780                 $_SESSION['csrf_'.$nam][$hash]=1;
 781                 return($hash);
 782         }
 783
 784         function clean_csr($CSR)
 785         {
 786                 $newcsr = str_replace("\r\n","\n",trim($CSR));
 787                 $newcsr = str_replace("\n\n","\n",$newcsr);
 788                 return(preg_replace("/[^A-Za-z0-9\n\r\-\:\=\+\/ ]/","",$newcsr));
 789         }
 790         function clean_gpgcsr($CSR)
 791         {
 792                 return(preg_replace("/[^A-Za-z0-9\n\r\-\:\=\+\/ ]/","",trim($CSR)));
 793         }
 794
 795         function sanitizeFilename($text)
 796         {
 797                 $text=preg_replace("/[^\w-.@]/","",$text);
 798                 return($text);
 799         }
 800
 801
 802         // returns text message to be shown to the user given the result of is_no_assurer
 803         function no_assurer_text($Status)
 804         {
 805                 if ($Status == 0) {
 806                         $Result = _("You have passed the Assurer Challenge and collected at least 100 Assurance Points, you are an Assurer.");
 807                 } elseif ($Status == 3) {
 808                         $Result = _("You have passed the Assurer Challenge, but to become an Assurer you still have to reach 100 Assurance Points!");
 809                 } elseif ($Status == 5) {
 810                         $Result = _("You have at least 100 Assurance Points, if you want to become an assurer try the").' <a href="https://cats.cacert.org/">'._("Assurer Challenge").'</a>!';
 811                 } elseif ($Status == 7) {
 812                         $Result = _("To become an Assurer you have to collect 100 Assurance Points and pass the").' <a href="https://cats.cacert.org/">'._("Assurer Challenge").'</a>!';
 813                 } elseif ($Status & 8 > 0) {
 814                         $Result = _("Sorry, you are not allowed to be an Assurer. Please contact").' <a href="mailto:cacert-support@lists.cacert.org">cacert-support@lists.cacert.org</a>'._(" if you feel that this is not corect.");
 815                 } else {
 816                         $Result = _("You are not an Assurer, but the reason is not stored in the database. Please contact").' <a href="mailto:cacert-support@lists.cacert.org">cacert-support@lists.cacert.org</a>.';
 817                 }
 818                 return $Result;
 819         }
 820
 821         function is_assurer($userID)
 822         {
 823                if (get_assurer_status($userID))
 824                        return 0;
 825                else
 826                        return 1;
 827         }
 828
 829         function get_assurer_reason($userID)
 830         {
 831                return no_assurer_text(get_assurer_status($userID));
 832         }
 833
 834         function generatecertpath($type,$kind,$id)
 835         {
 836                 $name="../$type/$kind-".intval($id).".$type";
 837                 $newlayout=1;
 838                 if($newlayout)
 839                 {
 840                         $name="../$type/$kind/".intval($id/1000)."/$kind-".intval($id).".$type";
 841                         if (!is_dir("../csr")) { mkdir("../csr",0777); }
 842                         if (!is_dir("../crt")) { mkdir("../crt",0777); }
 843
 844                         if (!is_dir("../csr/$kind")) { mkdir("../csr/$kind",0777); }
 845                         if (!is_dir("../crt/$kind")) { mkdir("../crt/$kind",0777); }
 846                         if (!is_dir("../csr/$kind/".intval($id/1000))) { mkdir("../csr/$kind/".intval($id/1000)); }
 847                         if (!is_dir("../crt/$kind/".intval($id/1000))) { mkdir("../crt/$kind/".intval($id/1000)); }
 848                 }
 849                 return $name;
 850         }
 851
 852         /**
 853           * Run the sql query given in $sql.
 854           * The resource returned by mysql_query is
 855           * returned by this function.
 856           *
 857           * It should be safe to replace every mysql_query
 858           * call by a mysql_extended_query call.
 859           */
 860         function mysql_timed_query($sql)
 861         {
 862                 global $sql_data_log;
 863                 $query_start = microtime(true);
 864                 $res = mysql_query($sql);
 865                 $query_end = microtime(true);
 866                 $sql_data_log[] = array("sql" => $sql, "duration" => $query_end - $query_start);
 867                 return $res;
 868         }
 869
 870
 871 ?>