From f19d86b96da4a73efa88042dd0bcf0da1a214762 Mon Sep 17 00:00:00 2001 From: alecpl Date: Tue, 15 Jun 2010 06:53:28 +0000 Subject: - Fix attachment filenames broken with TNEF decoder using long filenames (#1486795) - Use tnef_decoder class from Horde --- program/lib/tnef_decoder.inc | 352 ------------------------------------------- 1 file changed, 352 deletions(-) delete mode 100644 program/lib/tnef_decoder.inc (limited to 'program/lib/tnef_decoder.inc') 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 @@ - - * (c) 2002 (GNU GPL - see ../../COPYING) - * - * Functions for decoding TNEF attachments in native PHP - * - * Adapted from original designs by: - * Thomas Boll [tnef.c] - * Mark Simpson [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("Embedded message:
%s
", $value); - } - break; - - default: - } -} - -function extract_mapi_attrs($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("
");
-   }
-
-   do_tnef_decode($buf, $attachment_data);
-
-   if ($debug)
-   {
-      echo("
"); - } - return array_reverse($attachment_data); - -} - -?> -- cgit v1.2.3