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-rw-r--r--program/lib/tnef_decoder.inc352
1 files changed, 0 insertions, 352 deletions
diff --git a/program/lib/tnef_decoder.inc b/program/lib/tnef_decoder.inc
deleted file mode 100644
index 750faf657..000000000
--- a/program/lib/tnef_decoder.inc
+++ /dev/null
@@ -1,352 +0,0 @@
-<?php
-/*
- * tnef_decoder.php
- * Graham Norbury <gnorbury@bondcar.com>
- * (c) 2002 (GNU GPL - see ../../COPYING)
- *
- * Functions for decoding TNEF attachments in native PHP
- *
- * Adapted from original designs by:
- * Thomas Boll <tb@boll.ch> [tnef.c]
- * Mark Simpson <damned@world.std.com> [tnef-1.1.1]
- *
- */
-
-define("TNEF_SIGNATURE", 0x223e9f78);
-define("TNEF_LVL_MESSAGE", 0x01);
-define("TNEF_LVL_ATTACHMENT", 0x02);
-
-define("TNEF_STRING", 0x00010000);
-define("TNEF_TEXT", 0x00020000);
-define("TNEF_BYTE", 0x00060000);
-define("TNEF_WORD", 0x00070000);
-define("TNEF_DWORD", 0x00080000);
-
-define("TNEF_ASUBJECT", TNEF_DWORD | 0x8004);
-define("TNEF_AMCLASS", TNEF_WORD | 0x8008);
-define("TNEF_BODYTEXT", TNEF_TEXT | 0x800c);
-define("TNEF_ATTACHDATA", TNEF_BYTE | 0x800f);
-define("TNEF_AFILENAME", TNEF_STRING | 0x8010);
-define("TNEF_ARENDDATA", TNEF_BYTE | 0x9002);
-define("TNEF_AMAPIATTRS", TNEF_BYTE | 0x9005);
-define("TNEF_AVERSION", TNEF_DWORD | 0x9006);
-
-define("TNEF_MAPI_NULL", 0x0001);
-define("TNEF_MAPI_SHORT", 0x0002);
-define("TNEF_MAPI_INT", 0x0003);
-define("TNEF_MAPI_FLOAT", 0x0004);
-define("TNEF_MAPI_DOUBLE", 0x0005);
-define("TNEF_MAPI_CURRENCY", 0x0006);
-define("TNEF_MAPI_APPTIME", 0x0007);
-define("TNEF_MAPI_ERROR", 0x000a);
-define("TNEF_MAPI_BOOLEAN", 0x000b);
-define("TNEF_MAPI_OBJECT", 0x000d);
-define("TNEF_MAPI_INT8BYTE", 0x0014);
-define("TNEF_MAPI_STRING", 0x001e);
-define("TNEF_MAPI_UNICODE_STRING", 0x001f);
-define("TNEF_MAPI_SYSTIME", 0x0040);
-define("TNEF_MAPI_CLSID", 0x0048);
-define("TNEF_MAPI_BINARY", 0x0102);
-
-define("TNEF_MAPI_ATTACH_MIME_TAG", 0x370E);
-define("TNEF_MAPI_ATTACH_LONG_FILENAME", 0x3707);
-define("TNEF_MAPI_ATTACH_DATA", 0x3701);
-
-function tnef_getx($size, &$buf)
-{
- $value = null;
- if (strlen($buf) >= $size)
- {
- $value = substr($buf, 0, $size);
- $buf = substr_replace($buf, '', 0, $size);
- }
- return $value;
-}
-
-function tnef_geti8(&$buf)
-{
- $value = null;
- if (strlen($buf) >= 1)
- {
- $value = ord($buf{0});
- $buf = substr_replace($buf, '', 0, 1);
- }
- return $value;
-}
-
-function tnef_geti16(&$buf)
-{
- $value = null;
- if (strlen($buf) >= 2)
- {
- $value = ord($buf{0}) +
- (ord($buf{1}) << 8);
- $buf = substr_replace($buf, '', 0, 2);
- }
- return $value;
-}
-
-function tnef_geti32(&$buf)
-{
- $value = null;
- if (strlen($buf) >= 4)
- {
- $value = ord($buf{0}) +
- (ord($buf{1}) << 8) +
- (ord($buf{2}) << 16) +
- (ord($buf{3}) << 24);
- $buf = substr_replace($buf, '', 0, 4);
- }
- return $value;
-}
-
-function tnef_decode_attribute($attribute, &$buf)
-{
- global $debug;
-
- $length = tnef_geti32($buf);
- $value = tnef_getx($length, $buf); //data
- tnef_geti16($buf); //checksum
-
- if ($debug)
- {
- printf("ATTRIBUTE[%08x] %d bytes\n", $attribute, $length);
- }
-
- switch($attribute)
- {
- case TNEF_BODYTEXT:
- if ($debug)
- {
- printf("<b>Embedded message:</b><pre>%s</pre>", $value);
- }
- break;
-
- default:
- }
-}
-
-function extract_mapi_attrs($buf, &$attachment_data)
-{
- global $debug;
-
- tnef_geti32($buf); // number of attributes
- while(strlen($buf) > 0)
- {
- $value = null;
- $length = 0;
- $attr_type = tnef_geti16($buf);
- $attr_name = tnef_geti16($buf);
- if ($debug)
- {
- printf("mapi attribute: %04x:%04x\n", $attr_type, $attr_name);
- }
- switch($attr_type)
- {
- case TNEF_MAPI_SHORT:
- $value = tnef_geti16($buf);
- break;
-
- case TNEF_MAPI_INT:
- case TNEF_MAPI_BOOLEAN:
- $value = tnef_geti32($buf);
- break;
-
- case TNEF_MAPI_FLOAT:
- $value = tnef_getx(4, $buf);
- break;
-
- case TNEF_MAPI_DOUBLE:
- case TNEF_MAPI_SYSTIME:
- $value = tnef_getx(8, $buf);
- break;
-
- case TNEF_MAPI_STRING:
- case TNEF_MAPI_UNICODE_STRING:
- case TNEF_MAPI_BINARY:
- case TNEF_MAPI_OBJECT:
- $num_vals = tnef_geti32($buf);
- for ($i = 0; $i < $num_vals; $i++) // usually just 1
- {
- $length = tnef_geti32($buf);
- $buflen = $length + ((4 - ($length % 4)) % 4); // pad to next 4 byte boundary
- $value = substr(tnef_getx($buflen, $buf), 0, $length); // read and truncate to length
- }
- break;
-
- default:
- if ($debug)
- {
- echo("Unknown mapi attribute!\n");
- }
- }
-
- // store any interesting attributes
- switch($attr_name)
- {
- case TNEF_MAPI_ATTACH_LONG_FILENAME: // used in preference to AFILENAME value
- $attachment_data[0]['name'] = preg_replace('/.*[\/](.*)$/', '\1', $value); // strip path
- break;
-
- case TNEF_MAPI_ATTACH_MIME_TAG: // Is this ever set, and what is format?
- $attachment_data[0]['type0'] = preg_replace('/^(.*)\/.*/', '\1', $value);
- $attachment_data[0]['type1'] = preg_replace('/.*\/(.*)$/', '\1', $value);
- break;
-
- case TNEF_MAPI_ATTACH_DATA:
- tnef_getx(16, $value); // skip the next 16 bytes (unknown data)
- array_shift($attachment_data); // eliminate the current (bogus) attachment
- do_tnef_decode($value, $attachment_data); // recursively process the attached message
- break;
-
- default:
- }
- }
-}
-
-function tnef_decode_message(&$buf)
-{
- global $debug;
-
- if ($debug)
- {
- echo("MESSAGE ");
- }
-
- $attribute = tnef_geti32($buf);
- tnef_decode_attribute($attribute, $buf);
-}
-
-function tnef_decode_attachment(&$buf, &$attachment_data)
-{
- global $debug;
-
- if ($debug)
- {
- echo("ATTACHMENT ");
- }
-
- $attribute = tnef_geti32($buf);
- switch($attribute)
- {
- case TNEF_ARENDDATA: // marks start of new attachment
- $length = tnef_geti32($buf);
- tnef_getx($length, $buf);
- tnef_geti16($buf); //checksum
- if ($debug)
- {
- printf("ARENDDATA[%08x]: %d bytes\n", $attribute, $length);
- }
- // add a new default data block to hold details of this attachment
- // reverse order is easier to handle later!
- array_unshift($attachment_data, array('type0' => 'application',
- 'type1' => 'octet-stream',
- 'name' => 'unknown',
- 'stream' => ''));
- break;
-
- case TNEF_AFILENAME: // filename
- $length = tnef_geti32($buf);
- $attachment_data[0]['name'] = preg_replace('/.*[\/](.*)$/',
- '\1',
- tnef_getx($length, $buf)); // strip path
- tnef_geti16($buf); //checksum
- if ($debug)
- {
- printf("AFILENAME[%08x]: %s\n", $attribute, $attachment_data[0]['name']);
- }
- break;
-
- case TNEF_ATTACHDATA: // the attachment itself
- $length = tnef_geti32($buf);
- $attachment_data[0]['size'] = $length;
- $attachment_data[0]['stream'] = tnef_getx($length, $buf);
- tnef_geti16($buf); //checksum
- if ($debug)
- {
- printf("ATTACHDATA[%08x]: %d bytes\n", $attribute, $length);
- }
- break;
-
- case TNEF_AMAPIATTRS:
- $length = tnef_geti32($buf);
- $value = tnef_getx($length, $buf);
- tnef_geti16($buf); //checksum
- if ($debug)
- {
- printf("AMAPIATTRS[%08x]: %d bytes\n", $attribute, $length);
- }
- extract_mapi_attrs($value, $attachment_data);
- break;
-
- default:
- tnef_decode_attribute($attribute, $buf);
- }
-}
-
-function do_tnef_decode(&$buf, &$attachment_data)
-{
- global $debug;
-
- $tnef_signature = tnef_geti32($buf);
- if ($tnef_signature == TNEF_SIGNATURE)
- {
- $tnef_key = tnef_geti16($buf);
- if ($debug)
- {
- printf("Signature: 0x%08x\nKey: 0x%04x\n", $tnef_signature, $tnef_key);
- }
-
- while (strlen($buf) > 0)
- {
- $lvl_type = tnef_geti8($buf);
- switch($lvl_type)
- {
- case TNEF_LVL_MESSAGE:
- tnef_decode_message($buf);
- break;
-
- case TNEF_LVL_ATTACHMENT:
- tnef_decode_attachment($buf, $attachment_data);
- break;
-
- default:
- if ($debug)
- {
- echo("Invalid file format!");
- }
- break 2;
- }
- }
- }
- else
- {
- if ($debug)
- {
- echo("Invalid file format!");
- }
- }
-}
-
-function tnef_decode($buf)
-{
- global $debug;
-
- $attachment_data = array();
-
- if ($debug)
- {
- echo("<pre>");
- }
-
- do_tnef_decode($buf, $attachment_data);
-
- if ($debug)
- {
- echo("</pre>");
- }
- return array_reverse($attachment_data);
-
-}
-
-?>
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