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<?php if ($_SERVER['REQUEST_METHOD'] == "POST") { $sql = mysqli_query($c, "SELECT username,password FROM personeel,administrators WHERE username='".mysqli_real_escape_string($c, $_POST['username'])."'AND password='".mysqli_real_escape_string($c, sha1($_POST['password']))."'") ; if ($sql == TRUE) { setcookie("username", $_POST['username'], time()+1800); setcookie("loggedin", TRUE, time()+1800); unset ($_POST); Header ("Location: landing.php"); } else { echo mysqli_error($c); //Hier straks: "Gegevens niet gevonden" van maken } //Sluit COOKIE/REDIRECT/SQL maken af } //sluit IF METHOD POST ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 58
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 31, Position 2 = 54
Branch analysis from position: 31
1 jumps found. (Code = 42) Position 1 = 58
Branch analysis from position: 58
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 54
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 58
filename:       /in/GE5F4
function name:  (null)
number of ops:  59
compiled vars:  !0 = $sql, !1 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   FETCH_R                      global              ~2      '_SERVER'
          1        FETCH_DIM_R                                      ~3      ~2, 'REQUEST_METHOD'
          2        IS_EQUAL                                                 ~3, 'POST'
          3      > JMPZ                                                     ~4, ->58
    3     4    >   INIT_FCALL_BY_NAME                                       'mysqli_query'
          5        SEND_VAR_EX                                              !1
          6        INIT_FCALL_BY_NAME                                       'mysqli_real_escape_string'
          7        SEND_VAR_EX                                              !1
          8        CHECK_FUNC_ARG                                           
          9        FETCH_FUNC_ARG               global              $5      '_POST'
         10        FETCH_DIM_FUNC_ARG                               $6      $5, 'username'
         11        SEND_FUNC_ARG                                            $6
         12        DO_FCALL                                      0  $7      
         13        CONCAT                                           ~8      'SELECT+username%2Cpassword+FROM+personeel%2Cadministrators+WHERE+username%3D%27', $7
         14        CONCAT                                           ~9      ~8, '%27AND+password%3D%27'
         15        INIT_FCALL_BY_NAME                                       'mysqli_real_escape_string'
         16        SEND_VAR_EX                                              !1
         17        INIT_FCALL                                               'sha1'
         18        FETCH_R                      global              ~10     '_POST'
         19        FETCH_DIM_R                                      ~11     ~10, 'password'
         20        SEND_VAL                                                 ~11
         21        DO_ICALL                                         $12     
         22        SEND_VAR_NO_REF_EX                                       $12
         23        DO_FCALL                                      0  $13     
         24        CONCAT                                           ~14     ~9, $13
         25        CONCAT                                           ~15     ~14, '%27'
         26        SEND_VAL_EX                                              ~15
         27        DO_FCALL                                      0  $16     
         28        ASSIGN                                                   !0, $16
    4    29        BOOL                                             ~18     !0
         30      > JMPZ                                                     ~18, ->54
    5    31    >   INIT_FCALL                                               'setcookie'
         32        SEND_VAL                                                 'username'
         33        FETCH_R                      global              ~19     '_POST'
         34        FETCH_DIM_R                                      ~20     ~19, 'username'
         35        SEND_VAL                                                 ~20
         36        INIT_FCALL                                               'time'
         37        DO_ICALL                                         $21     
         38        ADD                                              ~22     $21, 1800
         39        SEND_VAL                                                 ~22
         40        DO_ICALL                                                 
    6    41        INIT_FCALL                                               'setcookie'
         42        SEND_VAL                                                 'loggedin'
         43        SEND_VAL                                                 <true>
         44        INIT_FCALL                                               'time'
         45        DO_ICALL                                         $24     
         46        ADD                                              ~25     $24, 1800
         47        SEND_VAL                                                 ~25
         48        DO_ICALL                                                 
    7    49        UNSET_VAR                                                '_POST'
    8    50        INIT_FCALL                                               'header'
         51        SEND_VAL                                                 'Location%3A+landing.php'
         52        DO_ICALL                                                 
         53      > JMP                                                      ->58
   10    54    >   INIT_FCALL_BY_NAME                                       'mysqli_error'
         55        SEND_VAR_EX                                              !1
         56        DO_FCALL                                      0  $28     
         57        ECHO                                                     $28
   13    58    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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