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--- appnotes:authmenus [2011/04/19 18:05]
genec [vesamenu.c32 current] spacing change
+++ appnotes:authmenus [2013/03/04 15:34] (current)
genec Fix cmd.c32 -> gpxecmd.c32
@@ Line 13: / Line 13: @@
     SSLRequireSSL
+You must choose between being able to load vesamenu.c32 directly and loading the current version of vesamenu.c32.
 ==== vesamenu.c32 current ====
 The current version of vesamenu.c32 can not be loaded directly from gPXE and requires PXELINUX as an intermediate layer.  You will need two PHP files, a boot.php containing
@@ Line 20: / Line 20: @@
   header ( "Content-type: text/plain" );
+  echo "#!gpxe\n";
+  $proto = "https";
+  // Comment out/remove the following if strictly using HTTPS
+  if (!isset($_SERVER["HTTPS"]))
+    $proto = "http";
+  // This assigns the host that gPXE should use using the most logical variables
+  if ( $_SERVER["HTTP_HOST"] != "" ) {
+    $host=$_SERVER["HTTP_HOST"];
+  } else {
+    if ( $_SERVER["SERVER_NAME"] != 0) {
+  	$host=$_SERVER["SERVER_NAME"];
+    } else {
+  	$host=$_SERVER["SERVER_ADDR"];
+    }
+  }
+  // Comment out/remove the following if you are running on a standard port
+  if (!((! isset($_SERVER["HTTPS"]) ) && ($_SERVER["SERVER_PORT"] == 80))
+    && !(isset($_SERVER["HTTPS"]) && ($_SERVER["SERVER_PORT"] == 443)) ){
+      if (strrpos($host, ":") == FALSE)
+        $host=$host.":".$_SERVER["SERVER_PORT"];
+  }
+  $uri=$_SERVER["REQUEST_URI"];
+  $dir=substr ( $uri, 0, strrpos ($uri, "/") + 1);
   echo "#!gpxe\n";
   echo "imgfree\n";
   echo "login\n";
-  echo "set 209:string bootcfg.php";
+  echo "set 209:string bootcfg.php\n";
   echo "set 210:string ".
-        "https://\${username:uristring}:\${password:uristring}@".
+       $proto."://\${username:uristring}:\${password:uristring}@".
-        $_SERVER["SERVER_NAME"].
+       $host.$dir."\n";
-        dirname ( $_SERVER["REQUEST_URI"] ).
+  echo "chain \${210:string}pxelinux.0\n";
-        "/\n";
-  echo "chain ${210:string}pxelinux.0";
   ?>
@@ Line 45: / Line 70: @@
   ?>
+Selecting this method will require that you use gpxecmd.c32 to execute gPXE commands and scripts.
 ==== vesamenu.c32 directly ====
 You will need a file "boot.php" containing
-    <?php
+  <?php
-    header ( "Content-type: text/plain" );
+  header ( "Content-type: text/plain" );
-    echo "#!gpxe\n";
+  $uri=$_SERVER["REQUEST_URI"];
-    echo "imgfree\n";
+  $dir=substr ( $uri, 0, strrpos ($uri, "/") + 1);
-    echo "login\n";
-    echo "chain ".
+  echo "#!gpxe\n";
-          "https://\${username:uristring}:\${password:uristring}@".
+  echo "imgfree\n";
-          $_SERVER["SERVER_NAME"].
+  echo "login\n";
-          dirname ( $_SERVER["REQUEST_URI"] ).
+  echo "chain ".
-          "/vesamenu.c32 menu.php\n";
+       "https://\${username:uristring}:\${password:uristring}@".
-    ?>
+       $_SERVER["HTTP_HOST"].$dir.
+       "vesamenu.c32 menu.php\n";
+  ?>
 In order to use vesamenu.c32 directly from gPXE, you must use Syslinux-3.86 from [[http://www.kernel.org/pub/linux/utils/boot/syslinux/3.xx/]] and not the latest version.
@@ Line 69: / Line 97: @@
     filename "https://my.web.server/boot/boot.php";
-Download the latest //syslinux// tarball from [[http://www.kernel.org/pub/linux/utils/boot/syslinux/]] and extract it.  Copy the files //com32/menu/vesamenu.c32// and //com32/modules/cmd.c32// into the "boot" directory on the web server.
+Download the latest //syslinux// tarball from [[http://www.kernel.org/pub/linux/utils/boot/syslinux/]] and extract it.  Copy the files //com32/menu/vesamenu.c32// and //com32/modules/gpxecmd.c32// into the "boot" directory on the web server.
 ===== Setup (interesting part) =====
@@ Line 106: / Line 134: @@
     function sanboot ( $label, $root_path ) {
       label ( $label );
-      echo "  kernel cmd.c32\n";
+      echo "  kernel gpxecmd.c32\n";
       echo "  append sanboot ".$root_path."\n";
       echo "\n";
@@ Line 207: / Line 235: @@
     label item1
       menu label ^1 MS-DOS 6.22
-      kernel cmd.c32
+      kernel gpxecmd.c32
       append sanboot iscsi:chipmunk.tuntap::::iqn.2007-07.chipmunk:msdos622
     label item2
       menu label ^2 Windows 2k3
-      kernel cmd.c32
+      kernel gpxecmd.c32
       append sanboot iscsi:chipmunk.tuntap::::iqn.2007-07.chipmunk:win2k3
@@ Line 242: / Line 270: @@
 Note that Windows imposes a minimum password length of 12 characters, and a maximum of 16 characters, for iSCSI authentication; this scheme will silently break unless your password policy enforces an appropriate min/max password length of 12<-->16 characters.

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