<?php
-
- /* $Id$ */
- $strings_php = true;
- $fix_form_endlines = false;
-
- // Remove all slashes for form values
- if (get_magic_quotes_gpc())
- {
- global $REQUEST_METHOD;
- if ($REQUEST_METHOD == "POST")
- {
- global $HTTP_POST_VARS;
- RemoveSlashes($HTTP_POST_VARS);
- }
- elseif ($REQUEST_METHOD == "GET")
- {
- global $HTTP_GET_VARS;
- RemoveSlashes($HTTP_GET_VARS);
- }
- }
-
- if (isset($fix_form_endlines) && $fix_form_endlines) {
- if ($REQUEST_METHOD == "POST") {
- TrimArray($HTTP_POST_VARS);
- } else {
- TrimArray($HTTP_GET_VARS);
- }
- }
-
- //**************************************************************************
- // Trims every element in the array and returns a new array.
- //**************************************************************************
- function TrimArray(&$array) {
- foreach ($array as $k => $v) {
- global $$k;
- if (is_array($$k)) {
- foreach ($$k as $k2 => $v2) {
- $newArray[trim($k2)] = trim($v2);
- }
- $$k = $newArray;
- } else {
- $$k = trim($v);
- }
- }
- }
-
-
- //**************************************************************************
- // Removes slashes from every element in the array
- //**************************************************************************
- function RemoveSlashes($array)
- {
- foreach ($array as $k => $v)
- {
- global $$k;
- if (is_array($$k))
- {
- foreach ($$k as $k2 => $v2)
- {
- $newArray[stripslashes($k2)] = stripslashes($v2);
- }
- $$k = $newArray;
- }
- else
- {
- $$k = stripslashes($v);
- }
- }
- }
-
-
- //*************************************************************************
- // Count the number of occurances of $needle are in $haystack.
- // $needle can be a character or string, and need not occur in $haystack
- //*************************************************************************
- function countCharInString($haystack, $needle) {
- if ($needle == '') return 0;
- return count(explode($needle, $haystack));
- }
-
- //*************************************************************************
- // Read from the back of $haystack until $needle is found, or the begining
- // of the $haystack is reached. $needle is a single character
- //*************************************************************************
- function readShortMailboxName($haystack, $needle) {
- if ($needle == '') return $haystack;
- $parts = explode($needle, $haystack);
- $elem = array_pop($parts);
- while ($elem == '' && count($parts))
- {
- $elem = array_pop($parts);
- }
- return $elem;
- }
-
- //*************************************************************************
- // Read from the back of $haystack until $needle is found, or the begining
- // of the $haystack is reached. $needle is a single character
- //*************************************************************************
- function readMailboxParent($haystack, $needle) {
- if ($needle == '') return '';
- $parts = explode($needle, $haystack);
- $elem = array_pop($parts);
- while ($elem == '' && count($parts))
- {
- $elem = array_pop($parts);
- }
- return join($needle, $parts);
- }
-
- // Searches for the next position in a string minus white space
- function next_pos_minus_white ($haystack, $pos) {
- while (substr($haystack, $pos, 1) == ' ' ||
- substr($haystack, $pos, 1) == "\t" ||
- substr($haystack, $pos, 1) == "\n" ||
- substr($haystack, $pos, 1) == "\r") {
- if ($pos >= strlen($haystack))
- return -1;
- $pos++;
- }
- return $pos;
- }
-
- // Wraps text at $wrap characters
- // Has a problem with special HTML characters, so call this before
- // you do character translation.
- // Specifically, ' comes up as 5 characters instead of 1.
- // This should not add newlines to the end of lines.
- function sqWordWrap(&$line, $wrap) {
- ereg("^([\t >]*)([^\t >].*)?$", $line, $regs);
- $beginning_spaces = $regs[1];
- if (isset($regs[2])) {
- $words = explode(' ', $regs[2]);
- } else {
- $words = "";
- }
-
- $i = 0;
- $line = $beginning_spaces;
-
- while ($i < count($words)) {
- // Force one word to be on a line (minimum)
- $line .= $words[$i];
- $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2;
- if (isset($words[$i + 1]))
- $line_len += strlen($words[$i + 1]);
- $i ++;
-
- // Add more words (as long as they fit)
- while ($line_len < $wrap && $i < count($words)) {
+/**
+ * strings.php
+ *
+ * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * This code provides various string manipulation functions that are
+ * used by the rest of the Squirrelmail code.
+ *
+ * $Id$
+ */
+
+/**
+ * SquirrelMail version number -- DO NOT CHANGE
+ */
+global $version;
+$version = '1.3.2 [CVS-DEVEL]';
+
+/**
+ * Wraps text at $wrap characters
+ *
+ * Has a problem with special HTML characters, so call this before
+ * you do character translation.
+ *
+ * Specifically, ' comes up as 5 characters instead of 1.
+ * This should not add newlines to the end of lines.
+ */
+function sqWordWrap(&$line, $wrap) {
+ ereg("^([\t >]*)([^\t >].*)?$", $line, $regs);
+ $beginning_spaces = $regs[1];
+ if (isset($regs[2])) {
+ $words = explode(' ', $regs[2]);
+ } else {
+ $words = '';
+ }
+
+ $i = 0;
+ $line = $beginning_spaces;
+
+ while ($i < count($words)) {
+ /* Force one word to be on a line (minimum) */
+ $line .= $words[$i];
+ $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2;
+ if (isset($words[$i + 1]))
+ $line_len += strlen($words[$i + 1]);
+ $i ++;
+
+ /* Add more words (as long as they fit) */
+ while ($line_len < $wrap && $i < count($words)) {
$line .= ' ' . $words[$i];
$i++;
- if (isset($words[$i]))
+ if (isset($words[$i]))
$line_len += strlen($words[$i]) + 1;
- else
- $line_len += 1;
- }
-
- // Skip spaces if they are the first thing on a continued line
- while (!isset($words[$i]) && $i < count($words)) {
+ else
+ $line_len += 1;
+ }
+
+ /* Skip spaces if they are the first thing on a continued line */
+ while (!isset($words[$i]) && $i < count($words)) {
$i ++;
- }
-
- // Go to the next line if we have more to process
- if ($i < count($words)) {
- $line .= "\n" . $beginning_spaces;
- }
- }
- }
-
-
- // Does the opposite of sqWordWrap()
- function sqUnWordWrap(&$body)
- {
- $lines = explode("\n", $body);
- $body = "";
- $PreviousSpaces = "";
- for ($i = 0; $i < count($lines); $i ++)
- {
- ereg("^([\t >]*)([^\t >].*)?$", $lines[$i], $regs);
- $CurrentSpaces = $regs[1];
- if (isset($regs[2]))
- $CurrentRest = $regs[2];
- if ($i == 0)
- {
- $PreviousSpaces = $CurrentSpaces;
- $body = $lines[$i];
- }
- else if ($PreviousSpaces == $CurrentSpaces && // Do the beginnings match
- strlen($lines[$i - 1]) > 65 && // Over 65 characters long
- strlen($CurrentRest)) // and there's a line to continue with
- {
- $body .= ' ' . $CurrentRest;
- }
- else
- {
- $body .= "\n" . $lines[$i];
- $PreviousSpaces = $CurrentSpaces;
- }
- }
- $body .= "\n";
- }
-
-
- /** Returns an array of email addresses **/
- /* Be cautious of "user@host.com" */
- function parseAddrs($text) {
- if (trim($text) == "")
- return array();
- $text = str_replace(' ', '', $text);
- $text = ereg_replace('"[^"]*"', '', $text);
- $text = ereg_replace('\\([^\\)]*\\)', '', $text);
- $text = str_replace(',', ';', $text);
- $array = explode(';', $text);
- for ($i = 0; $i < count ($array); $i++) {
- $array[$i] = eregi_replace ("^.*[<]", '', $array[$i]);
- $array[$i] = eregi_replace ("[>].*$", '', $array[$i]);
- }
- return $array;
- }
-
- /** Returns a line of comma separated email addresses from an array **/
- function getLineOfAddrs($array) {
- if (is_array($array)) {
+ }
+
+ /* Go to the next line if we have more to process */
+ if ($i < count($words)) {
+ $line .= "\n";
+ }
+ }
+}
+
+/**
+ * Does the opposite of sqWordWrap()
+ */
+function sqUnWordWrap(&$body) {
+ $lines = explode("\n", $body);
+ $body = '';
+ $PreviousSpaces = '';
+ $cnt = count($lines);
+ for ($i = 0; $i < $cnt; $i ++) {
+ preg_match("/^([\t >]*)([^\t >].*)?$/", $lines[$i], $regs);
+ $CurrentSpaces = $regs[1];
+ if (isset($regs[2])) {
+ $CurrentRest = $regs[2];
+ }
+
+ if ($i == 0) {
+ $PreviousSpaces = $CurrentSpaces;
+ $body = $lines[$i];
+ } else if (($PreviousSpaces == $CurrentSpaces) /* Do the beginnings match */
+ && (strlen($lines[$i - 1]) > 65) /* Over 65 characters long */
+ && strlen($CurrentRest)) { /* and there's a line to continue with */
+ $body .= ' ' . $CurrentRest;
+ } else {
+ $body .= "\n" . $lines[$i];
+ $PreviousSpaces = $CurrentSpaces;
+ }
+ }
+ $body .= "\n";
+}
+
+/**
+ * If $haystack is a full mailbox name and $needle is the mailbox
+ * separator character, returns the last part of the mailbox name.
+ */
+function readShortMailboxName($haystack, $needle) {
+
+ if ($needle == '') {
+ $elem = $haystack;
+ } else {
+ $parts = explode($needle, $haystack);
+ $elem = array_pop($parts);
+ while ($elem == '' && count($parts)) {
+ $elem = array_pop($parts);
+ }
+ }
+ return( $elem );
+}
+
+/**
+ * Returns an array of email addresses.
+ * Be cautious of "user@host.com"
+ */
+function parseAddrs($text) {
+ if (trim($text) == '')
+ return array();
+ $text = str_replace(' ', '', $text);
+ $text = ereg_replace('"[^"]*"', '', $text);
+ $text = ereg_replace('\\([^\\)]*\\)', '', $text);
+ $text = str_replace(',', ';', $text);
+ $array = explode(';', $text);
+ for ($i = 0; $i < count ($array); $i++) {
+ $array[$i] = eregi_replace ('^.*[<]', '', $array[$i]);
+ $array[$i] = eregi_replace ('[>].*$', '', $array[$i]);
+ }
+ return $array;
+}
+
+/**
+ * Returns a line of comma separated email addresses from an array.
+ */
+function getLineOfAddrs($array) {
+ if (is_array($array)) {
$to_line = implode(', ', $array);
- $to_line = trim(ereg_replace(',,+', ',', $to_line));
- } else {
+ $to_line = ereg_replace(', (, )+', ', ', $to_line);
+ $to_line = trim(ereg_replace('^, ', '', $to_line));
+ if( substr( $to_line, -1 ) == ',' )
+ $to_line = substr( $to_line, 0, -1 );
+ } else {
$to_line = '';
- }
- return $to_line;
- }
-
- function translateText(&$body, $wrap_at, $charset) {
- global $where, $what; // from searching
- global $url_parser_php;
-
- if (!isset($url_parser_php)) {
- include '../functions/url_parser.php';
- }
-
- $body_ary = explode("\n", $body);
- $PriorQuotes = 0;
- for ($i=0; $i < count($body_ary); $i++) {
- $line = $body_ary[$i];
- if (strlen($line) - 2 >= $wrap_at) {
- sqWordWrap($line, $wrap_at);
- }
- $line = charset_decode($charset, $line);
- $line = str_replace("\t", ' ', $line);
-
- parseUrl ($line);
-
- $Quotes = 0;
- $pos = 0;
- while (1)
- {
- if ($line[$pos] == ' ')
- {
- $pos ++;
- }
- else if (strpos($line, '>', $pos) === $pos)
- {
- $pos += 4;
- $Quotes ++;
- }
- else
- {
- break;
- }
- }
-
- if ($Quotes > 1)
- $line = '<FONT COLOR="FF0000">'.$line.'</FONT>';
- elseif ($Quotes)
- $line = '<FONT COLOR="800000">'.$line.'</FONT>';
-
- $body_ary[$i] = $line;
- }
- $body = '<pre>' . implode("\n", $body_ary) . '</pre>';
- }
-
- /* SquirrelMail version number -- DO NOT CHANGE */
- $version = '1.0.2 [cvs]';
-
-
- function find_mailbox_name ($mailbox) {
- if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs))
- return $regs[1];
- ereg(" *([^ \r\n\"]*)[ \r\n]*$",$mailbox,$regs);
- return $regs[1];
-
- }
-
- function replace_spaces ($string) {
- return str_replace(' ', ' ', $string);
- }
-
- function replace_escaped_spaces ($string) {
- return str_replace(' ', ' ', $string);
- }
-
- function get_location () {
- # This determines the location to forward to relative
- # to your server. If this doesnt work correctly for
- # you (although it should), you can remove all this
- # code except the last two lines, and change the header()
- # function to look something like this, customized to
- # the location of SquirrelMail on your server:
- #
- # http://www.myhost.com/squirrelmail/src/login.php
-
- global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT;
+ }
+
+ return( $to_line );
+}
- // Get the path
- $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/'));
-
- // Check if this is a HTTPS or regular HTTP request
- $proto = 'http://';
- if(isset($HTTPS) && !strcasecmp($HTTPS, 'on') ) {
+function php_self () {
+ global $PHP_SELF, $HTTP_SERVER_VARS;
+
+ if (isset($HTTP_SERVER_VARS['REQUEST_URI']) && !empty($HTTP_SERVER_VARS['REQUEST_URI']) ) {
+ return $HTTP_SERVER_VARS['REQUEST_URI'];
+ }
+
+ if (isset($PHP_SELF) && !empty($PHP_SELF)) {
+ return $PHP_SELF;
+ } else if (isset($HTTP_SERVER_VARS['PHP_SELF']) &&
+ !empty($HTTP_SERVER_VARS['PHP_SELF'])) {
+ return $HTTP_SERVER_VARS['PHP_SELF'];
+ } else {
+ return '';
+ }
+}
+
+
+/**
+ * This determines the location to forward to relative to your server.
+ * If this doesnt work correctly for you (although it should), you can
+ * remove all this code except the last two lines, and change the header()
+ * function to look something like this, customized to the location of
+ * SquirrelMail on your server:
+ *
+ * http://www.myhost.com/squirrelmail/src/login.php
+ */
+function get_location () {
+
+ global $PHP_SELF, $SERVER_NAME, $HTTP_HOST, $SERVER_PORT,
+ $HTTP_SERVER_VARS, $imap_server_type;
+
+ /* Get the path, handle virtual directories */
+ $path = substr(php_self(), 0, strrpos(php_self(), '/'));
+
+ /* Check if this is a HTTPS or regular HTTP request. */
+ $proto = 'http://';
+
+ /*
+ * If you have 'SSLOptions +StdEnvVars' in your apache config
+ * OR if you have HTTPS in your HTTP_SERVER_VARS
+ * OR if you are on port 443
+ */
+ $getEnvVar = getenv('HTTPS');
+ if ((isset($getEnvVar) && !strcasecmp($getEnvVar, 'on')) ||
+ (isset($HTTP_SERVER_VARS['HTTPS'])) ||
+ (isset($HTTP_SERVER_VARS['SERVER_PORT']) &&
+ $HTTP_SERVER_VARS['SERVER_PORT'] == 443)) {
$proto = 'https://';
- }
-
- // Get the hostname from the Host header or server config.
- $host = '';
- if (isset($HTTP_HOST) && !empty($HTTP_HOST))
- {
- $host = $HTTP_HOST;
- }
- else if (isset($SERVER_NAME) && !empty($SERVER_NAME))
- {
- $host = $SERVER_NAME;
- }
-
- $port = '';
- if (! strstr($host, ':'))
- {
- if (isset($SERVER_PORT)) {
- if (($SERVER_PORT != 80 && $proto == 'http://')
- || ($SERVER_PORT != 443 && $proto == 'https://')) {
- $port = sprintf(':%d', $SERVER_PORT);
- }
- }
- }
-
- if ($host)
- return $proto . $host . $port . $path;
-
- // Fallback is to omit the server name and use a relative URI,
- // although this is not RFC 2616 compliant.
- return $path;
- }
-
-
- // These functions are used to encrypt the passowrd before it is
- // stored in a cookie.
- function OneTimePadEncrypt ($string, $epad) {
- $pad = base64_decode($epad);
- $encrypted = '';
- for ($i = 0; $i < strlen ($string); $i++) {
- $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i]));
- }
-
- return base64_encode($encrypted);
- }
-
- function OneTimePadDecrypt ($string, $epad) {
- $pad = base64_decode($epad);
- $encrypted = base64_decode ($string);
- $decrypted = '';
- for ($i = 0; $i < strlen ($encrypted); $i++) {
- $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i]));
- }
-
- return $decrypted;
- }
-
-
- // Randomize the mt_rand() function. Toss this in strings or
- // integers and it will seed the generator appropriately.
- // With strings, it is better to get them long. Use md5() to
- // lengthen smaller strings.
- function sq_mt_seed($Val)
- {
- // if mt_getrandmax() does not return a 2^n - 1 number,
- // this might not work well. This uses $Max as a bitmask.
- $Max = mt_getrandmax();
-
- if (! is_int($Val))
- {
- if (function_exists('crc32'))
- {
- $Val = crc32($Val);
- }
- else
- {
- $Str = $Val;
- $Pos = 0;
- $Val = 0;
- $Mask = $Max / 2;
- $HighBit = $Max ^ $Mask;
- while ($Pos < strlen($Str))
- {
- if ($Val & $HighBit)
- {
- $Val = (($Val & $Mask) << 1) + 1;
- }
- else
- {
- $Val = ($Val & $Mask) << 1;
- }
- $Val ^= $Str[$Pos];
- $Pos ++;
- }
- }
- }
-
- if ($Val < 0)
- $Val *= -1;
- if ($Val = 0)
- return;
-
- mt_srand(($Val ^ mt_rand(0, $Max)) & $Max);
- }
-
-
- // This function initializes the random number generator fairly well.
- // It also only initializes it once, so you don't accidentally get
- // the same 'random' numbers twice in one session.
- function sq_mt_randomize()
- {
- global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
- static $randomized;
-
- if ($randomized)
- return;
-
- // Global
- sq_mt_seed((int)((double) microtime() * 1000000));
- sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
-
- // getrusage
- if (function_exists('getrusage')) {
- $dat = getrusage();
- $Str = '';
- foreach ($dat as $k => $v)
- {
- $Str .= $k . $v;
- }
- sq_mt_seed(md5($Str));
- }
-
- // Apache-specific
- sq_mt_seed(md5($UNIQUE_ID));
-
- $randomized = 1;
- }
-
- function OneTimePadCreate ($length=100) {
- sq_mt_randomize();
-
- $pad = '';
- for ($i = 0; $i < $length; $i++) {
- $pad .= chr(mt_rand(0,255));
- }
-
- return base64_encode($pad);
- }
-
- // Check if we have a required PHP-version. Return TRUE if we do,
- // or FALSE if we don't.
- // To check for 4.0.1, use sqCheckPHPVersion(4,0,1)
- // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3)
- // Does not handle betas like 4.0.1b1 or development versions
- function sqCheckPHPVersion($major, $minor, $release) {
-
- $ver = phpversion();
- eregi('^([0-9]+)\\.([0-9]+)(.*)', $ver, $regs);
-
- // Parse the version string
- $vmajor = strval($regs[1]);
- $vminor = strval($regs[2]);
- $vrel = $regs[3];
- if($vrel[0] == ".")
- $vrel = strval(substr($vrel, 1));
- if($vrel[0] == 'b' || $vrel[0] == 'B')
- $vrel = - strval(substr($vrel, 1));
- if($vrel[0] == 'r' || $vrel[0] == 'R')
- $vrel = - strval(substr($vrel, 2))/10;
-
- // Compare major version
- if($vmajor < $major) return false;
- if($vmajor > $major) return true;
+ }
+
+ /* Get the hostname from the Host header or server config. */
+ $host = '';
+ if (isset($HTTP_HOST) && !empty($HTTP_HOST)) {
+ $host = $HTTP_HOST;
+ } else if (isset($SERVER_NAME) && !empty($SERVER_NAME)) {
+ $host = $SERVER_NAME;
+ } else if (isset($HTTP_SERVER_VARS['SERVER_NAME']) &&
+ !empty($HTTP_SERVER_VARS['SERVER_NAME'])) {
+ $host = $HTTP_SERVER_VARS['SERVER_NAME'];
+ }
- // Major is the same. Compare minor
- if($vminor < $minor) return false;
- if($vminor > $minor) return true;
-
- // Major and minor is the same as the required one.
- // Compare release
- if($vrel >= 0 && $release >= 0) { // Neither are beta
- if($vrel < $release) return false;
- } else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta
- return true;
- } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta
- return false;
- } else { // Both are beta
- if($vrel > $release) return false;
- }
+
+ $port = '';
+ if (! strstr($host, ':')) {
+ if (isset($SERVER_PORT)) {
+ if (($SERVER_PORT != 80 && $proto == 'http://')
+ || ($SERVER_PORT != 443 && $proto == 'https://')) {
+ $port = sprintf(':%d', $SERVER_PORT);
+ }
+ }
+ }
+
+ /* this is a workaround for the weird macosx caching that
+ causes Apache to return 16080 as the port number, which causes
+ SM to bail */
- return true;
+ if ($imap_server_type == 'macosx' && $port == ':16080') {
+ $port = '';
}
- /* Returns a string showing the size of the message/attachment */
- function show_readable_size($bytes)
- {
- $bytes /= 1024;
- $type = 'k';
-
- if ($bytes / 1024 > 1)
- {
- $bytes /= 1024;
- $type = 'm';
- }
-
- if ($bytes < 10)
- {
- $bytes *= 10;
- settype($bytes, 'integer');
- $bytes /= 10;
- }
- else
- settype($bytes, 'integer');
-
- return $bytes . '<small> ' . $type . '</small>';
- }
+ /* Fallback is to omit the server name and use a relative */
+ /* URI, although this is not RFC 2616 compliant. */
+ return ($host ? $proto . $host . $port . $path : $path);
+}
+
+
+/**
+ * These functions are used to encrypt the passowrd before it is
+ * stored in a cookie.
+ */
+function OneTimePadEncrypt ($string, $epad) {
+ $pad = base64_decode($epad);
+ $encrypted = '';
+ for ($i = 0; $i < strlen ($string); $i++) {
+ $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i]));
+ }
+
+ return base64_encode($encrypted);
+}
+
+function OneTimePadDecrypt ($string, $epad) {
+ $pad = base64_decode($epad);
+ $encrypted = base64_decode ($string);
+ $decrypted = '';
+ for ($i = 0; $i < strlen ($encrypted); $i++) {
+ $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i]));
+ }
+
+ return $decrypted;
+}
+
+
+/**
+ * Randomize the mt_rand() function. Toss this in strings or integers
+ * and it will seed the generator appropriately. With strings, it is
+ * better to get them long. Use md5() to lengthen smaller strings.
+ */
+function sq_mt_seed($Val) {
+ /* if mt_getrandmax() does not return a 2^n - 1 number,
+ this might not work well. This uses $Max as a bitmask. */
+ $Max = mt_getrandmax();
+
+ if (! is_int($Val)) {
+ if (function_exists('crc32')) {
+ $Val = crc32($Val);
+ } else {
+ $Str = $Val;
+ $Pos = 0;
+ $Val = 0;
+ $Mask = $Max / 2;
+ $HighBit = $Max ^ $Mask;
+ while ($Pos < strlen($Str)) {
+ if ($Val & $HighBit) {
+ $Val = (($Val & $Mask) << 1) + 1;
+ } else {
+ $Val = ($Val & $Mask) << 1;
+ }
+ $Val ^= $Str[$Pos];
+ $Pos ++;
+ }
+ }
+ }
+
+ if ($Val < 0) {
+ $Val *= -1;
+ }
+
+ if ($Val = 0) {
+ return;
+ }
+
+ mt_srand(($Val ^ mt_rand(0, $Max)) & $Max);
+}
+
+
+/**
+ * This function initializes the random number generator fairly well.
+ * It also only initializes it once, so you don't accidentally get
+ * the same 'random' numbers twice in one session.
+ */
+function sq_mt_randomize() {
+ global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
+ static $randomized;
+
+ if ($randomized) {
+ return;
+ }
+
+ /* Global. */
+ sq_mt_seed((int)((double) microtime() * 1000000));
+ sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
+
+ /* getrusage */
+ if (function_exists('getrusage')) {
+ /* Avoid warnings with Win32 */
+ $dat = @getrusage();
+ if (isset($dat) && is_array($dat)) {
+ $Str = '';
+ foreach ($dat as $k => $v)
+ {
+ $Str .= $k . $v;
+ }
+ sq_mt_seed(md5($Str));
+ }
+ }
+
+ /* Apache-specific */
+ sq_mt_seed(md5($UNIQUE_ID));
+
+ $randomized = 1;
+}
- /* Generates a random string from the caracter set you pass in
- *
- * Flags:
- * 1 = add lowercase a-z to $chars
- * 2 = add uppercase A-Z to $chars
- * 4 = add numbers 0-9 to $chars
- */
-
- function GenerateRandomString($size, $chars, $flags = 0)
- {
- if ($flags & 0x1)
- $chars .= 'abcdefghijklmnopqrstuvwxyz';
- if ($flags & 0x2)
- $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
- if ($flags & 0x4)
- $chars .= '0123456789';
-
- if ($size < 1 || strlen($chars) < 1)
- return '';
-
- sq_mt_randomize(); // Initialize the random number generator
-
- $String = "";
- while (strlen($String) < $size) {
- $String .= $chars[mt_rand(0, strlen($chars))];
- }
-
- return $String;
- }
+function OneTimePadCreate ($length=100) {
+ sq_mt_randomize();
+
+ $pad = '';
+ for ($i = 0; $i < $length; $i++) {
+ $pad .= chr(mt_rand(0,255));
+ }
+
+ return base64_encode($pad);
+}
+
+/**
+ * Check if we have a required PHP-version. Return TRUE if we do,
+ * or FALSE if we don't.
+ *
+ * To check for 4.0.1, use sqCheckPHPVersion(4,0,1)
+ * To check for 4.0b3, use sqCheckPHPVersion(4,0,-3)
+ *
+ * Does not handle betas like 4.0.1b1 or development versions
+ */
+function sqCheckPHPVersion($major, $minor, $release) {
+
+ $ver = phpversion();
+ eregi('^([0-9]+)\\.([0-9]+)(.*)', $ver, $regs);
+
+ /* Parse the version string. */
+ $vmajor = strval($regs[1]);
+ $vminor = strval($regs[2]);
+ $vrel = $regs[3];
+ if($vrel[0] == '.') {
+ $vrel = strval(substr($vrel, 1));
+ }
+ if($vrel[0] == 'b' || $vrel[0] == 'B') {
+ $vrel = - strval(substr($vrel, 1));
+ }
+ if($vrel[0] == 'r' || $vrel[0] == 'R') {
+ $vrel = - strval(substr($vrel, 2))/10;
+ }
+
+ /* Compare major version. */
+ if ($vmajor < $major) { return false; }
+ if ($vmajor > $major) { return true; }
+
+ /* Major is the same. Compare minor. */
+ if ($vminor < $minor) { return false; }
+ if ($vminor > $minor) { return true; }
+
+ /* Major and minor is the same as the required one. Compare release */
+ if ($vrel >= 0 && $release >= 0) { /* Neither are beta */
+ if($vrel < $release) return false;
+ } else if($vrel >= 0 && $release < 0) { /* This is not beta, required is beta */
+ return true;
+ } else if($vrel < 0 && $release >= 0){ /* This is beta, require not beta */
+ return false;
+ } else { /* Both are beta */
+ if($vrel > $release) return false;
+ }
+
+ return true;
+}
+
+/**
+ * Returns a string showing the size of the message/attachment.
+ */
+function show_readable_size($bytes) {
+ $bytes /= 1024;
+ $type = 'k';
+
+ if ($bytes / 1024 > 1) {
+ $bytes /= 1024;
+ $type = 'm';
+ }
+
+ if ($bytes < 10) {
+ $bytes *= 10;
+ settype($bytes, 'integer');
+ $bytes /= 10;
+ } else {
+ settype($bytes, 'integer');
+ }
+
+ return $bytes . '<small> ' . $type . '</small>';
+}
+
+/**
+ * Generates a random string from the caracter set you pass in
+ *
+ * Flags:
+ * 1 = add lowercase a-z to $chars
+ * 2 = add uppercase A-Z to $chars
+ * 4 = add numbers 0-9 to $chars
+ */
+
+function GenerateRandomString($size, $chars, $flags = 0) {
+ if ($flags & 0x1) {
+ $chars .= 'abcdefghijklmnopqrstuvwxyz';
+ }
+ if ($flags & 0x2) {
+ $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ }
+ if ($flags & 0x4) {
+ $chars .= '0123456789';
+ }
+
+ if (($size < 1) || (strlen($chars) < 1)) {
+ return '';
+ }
+
+ sq_mt_randomize(); /* Initialize the random number generator */
+
+ $String = '';
+ $j = strlen( $chars ) - 1;
+ while (strlen($String) < $size) {
+ $String .= $chars{mt_rand(0, $j)};
+ }
+
+ return $String;
+}
+
+function quoteIMAP($str) {
+ return ereg_replace('(["\\])', '\\\\1', $str);
+}
+
+/**
+ * Trims every element in the array
+ */
+function TrimArray(&$array) {
+ foreach ($array as $k => $v) {
+ global $$k;
+ if (is_array($$k)) {
+ foreach ($$k as $k2 => $v2) {
+ $$k[$k2] = substr($v2, 1);
+ }
+ } else {
+ $$k = substr($v, 1);
+ }
+
+ /* Re-assign back to array. */
+ $array[$k] = $$k;
+ }
+}
+
+/**
+ * Removes slashes from every element in the array
+ */
+function RemoveSlashes(&$array) {
+ foreach ($array as $k => $v) {
+ global $$k;
+ if (is_array($$k)) {
+ foreach ($$k as $k2 => $v2) {
+ $newArray[stripslashes($k2)] = stripslashes($v2);
+ }
+ $$k = $newArray;
+ } else {
+ $$k = stripslashes($v);
+ }
+
+ /* Re-assign back to the array. */
+ $array[$k] = $$k;
+ }
+}
+
+$PHP_SELF = php_self();
?>
projects / squirrelmail.git / blobdiff