(third party) plugin.
- Allow a different server address for the POP server to be configured when
using POP before SMTP.
+ - Seed random number generator in one place during script init.
Version 1.5.1 (branched on 2006-02-12)
--------------------------------------
if (!function_exists('session_regenerate_id')) {
function php_combined_lcg() {
- sq_mt_randomize();
$tv = gettimeofday();
$lcg['s1'] = $tv['sec'] ^ (~$tv['usec']);
$lcg['s2'] = mt_rand();
return $decrypted;
}
-
-/**
- * Randomizes 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.
- *
- * @param mixed $val a value to seed the random number generator. mixed = integer or string.
- * @return void
- * @since 1.0
- */
-function sq_mt_seed($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)) {
- $Val = crc32($Val);
- }
-
- if ($Val < 0) {
- $Val *= -1;
- }
-
- if ($Val == 0) {
- return;
- }
-
- mt_srand(($Val ^ mt_rand(0, $Max)) & $Max);
-}
-
-
-/**
- * Init random number generator
- *
- * 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.
- *
- * @return void
- * @since 1.0
- */
-function sq_mt_randomize() {
- static $randomized;
-
- if ($randomized) {
- return;
- }
-
- /* Global. */
- sqgetGlobalVar('REMOTE_PORT', $remote_port, SQ_SERVER);
- sqgetGlobalVar('REMOTE_ADDR', $remote_addr, SQ_SERVER);
- sq_mt_seed((int)((double) microtime() * 1000000));
- sq_mt_seed(md5($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));
- }
- }
-
- if(sqgetGlobalVar('UNIQUE_ID', $unique_id, SQ_SERVER)) {
- sq_mt_seed(md5($unique_id));
- }
-
- $randomized = 1;
-}
-
/**
* Creates encryption key
*
* @since 1.0
*/
function OneTimePadCreate ($length=100) {
- sq_mt_randomize();
-
$pad = '';
for ($i = 0; $i < $length; $i++) {
$pad .= chr(mt_rand(0,255));
return '';
}
- sq_mt_randomize(); /* Initialize the random number generator */
-
$String = '';
$j = strlen( $chars ) - 1;
while (strlen($String) < $size) {
ini_set('session.use_cookies','1');
}
+/**
+ * Initialize seed of random number generator.
+ * We use a number of things to randomize input: current time in ms,
+ * info about the remote client, info about the current process, the
+ * randomness of uniqid and stat of the current file.
+ *
+ * We seed this here only once per init, not only to save cycles
+ * but also to make the result of mt_rand more random (it now also
+ * depends on the number of times mt_rand was called before in this
+ * execution.
+ */
+$seed = microtime() . $_SERVER['REMOTE_PORT'] . $_SERVER['REMOTE_ADDR'] . getmypid();
+
+if (function_exists('getrusage')) {
+ /* Avoid warnings with Win32 */
+ $dat = @getrusage();
+ if (isset($dat) && is_array($dat)) { $seed .= implode('', $dat); }
+}
+
+if(!empty($_SERVER['UNIQUE_ID'])) {
+ $seed .= $_SERVER['UNIQUE_ID'];
+}
+
+$seed .= uniqid(mt_rand(),TRUE);
+$seed .= implode( '', stat( __FILE__) );
+
+/** PHP 4.2 and up don't require seeding, but their used seed algorithm
+ * is of questionable quality, so we keep doing it ourselves. */
+mt_srand(hexdec(md5($seed)));
/**
* calculate SM_PATH and calculate the base_uri
case 'smd5':
// minimal requirement = mhash extension with md5 support and php 4.0.4.
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) && defined('MHASH_MD5')) {
- sq_mt_seed( (double) microtime() * 1000000 );
if ($forced_salt!='') {
$salt=$forced_salt;
} else {
- sq_mt_randomize();
$salt = mhash_keygen_s2k( MHASH_MD5, $pass, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
}
$ret = "{SMD5}".base64_encode( mhash( MHASH_MD5, $pass.$salt ).$salt );
case 'ssha':
// minimal requirement = mhash extension and php 4.0.4
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) && defined('MHASH_SHA1')) {
- sq_mt_seed( (double) microtime() * 1000000 );
if ($forced_salt!='') {
$salt=$forced_salt;
} else {
- sq_mt_randomize();
$salt = mhash_keygen_s2k( MHASH_SHA1, $pass, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
}
$ret = "{SSHA}".base64_encode( mhash( MHASH_SHA1, $pass.$salt ).$salt );
* @subpackage themes
*/
-/**
- * Load up the usual suspects.. */
-require_once(SM_PATH . 'functions/strings.php');
-
- // Note: The text distance is actually pre-squared
- // Background range is from 24-64, all three colors are the same
- // Text range is from 196 to 255
- $BackgroundTargetDistance = 12;
- $BackgroundAdjust = 1;
- $TextTargetDistance = 65536;
- $TextAdjust = 0.95;
+// Note: The text distance is actually pre-squared
+// Background range is from 24-64, all three colors are the same
+// Text range is from 196 to 255
+$BackgroundTargetDistance = 12;
+$BackgroundAdjust = 1;
+$TextTargetDistance = 65536;
+$TextAdjust = 0.95;
function IsUnique($Distance, $r, $g, $b, $usedArray)
{
$squirrelmail_plugin_hooks['generic_header']['theme_darkness'] =
'Darkness_HeaderPlugin';
-/** seed the random number generator **/
-sq_mt_randomize();
-
$color[3] = '#000000';
$color[4] = '#000000';
$used = array(0);
die();
}
-/** load sq_mt_randomize() */
-include_once(SM_PATH . 'functions/strings.php');
-
-/** seed the random number generator **/
-sq_mt_randomize();
-
for ($i = 0; $i <= 16; $i++) {
/* background/foreground toggle **/
if ($i == 0 || $i == 3 || $i == 4 || $i == 5
die();
}
-/** load sq_mt_randomize() */
-include_once(SM_PATH . 'functions/strings.php');
-
-/* seed the random number generator */
-sq_mt_randomize();
-
for ($i = 0; $i <= 16; $i++) {
/* background/foreground toggle */
if ($i == 0 or $i == 3 or $i == 4 or $i == 5 or $i == 9 or $i == 10 or $i == 12 or $i == 16) {
die();
}
-/** load sq_mt_randomize() */
-include_once(SM_PATH . 'functions/strings.php');
-
-/** seed the random number generator */
-sq_mt_randomize();
-
for ($i = 0; $i <= 16; $i++) {
/* background/foreground toggle */
if ($i == 0 or $i == 3 or $i == 4 or $i == 5 or $i == 9 or $i == 10 or $i == 12 or $i == 16) {
die();
}
-/** load sq_mt_randomize() */
-include_once(SM_PATH . 'functions/strings.php');
-
-/** seed the random number generator */
-sq_mt_randomize();
-
/** light(1) or dark(0) background toggle **/
$bg = mt_rand(0,1);
/** load required functions */
include_once(SM_PATH . 'functions/global.php');
-include_once(SM_PATH . 'functions/strings.php');
-
-/** Initialize the random number generator */
-sq_mt_randomize();
global $theme;
die();
}
-/** load sq_mt_randomize() */
-include_once(SM_PATH . 'functions/strings.php');
-
-/** seed the random number generator */
-sq_mt_randomize();
-
for ($i = 0; $i <= 16; $i++) {
/* background/foreground toggle */
if ($i == 0 or $i == 3 or $i == 4 or $i == 5 or $i == 9 or $i == 10 or $i == 12 or $i == 16) {
die();
}
-/** load sq_mt_randomize() */
-include_once(SM_PATH . 'functions/strings.php');
-
-/** seed the random number generator **/
-sq_mt_randomize();
-
/** light(1) or dark(0) background? **/
$bg = mt_rand(0,1);
die();
}
-/** load sq_mt_randomize() */
-include_once(SM_PATH . 'functions/strings.php');
-
-/** seed the random number generator **/
-sq_mt_randomize();
-
for ($i = 0; $i <= 16; $i++) {
/** background/foreground toggle **/
if ($i == 0 or $i == 3 or $i == 4 or $i == 5 or $i == 9 or $i == 10 or $i == 12 or $i == 16) {
die();
}
-/** load sq_mt_randomize() */
-include_once(SM_PATH . 'functions/strings.php');
-
-/** seed the random number generator **/
-sq_mt_randomize();
-
for ($i = 0; $i <= 16; $i++) {
/** background/foreground toggle **/
if ($i == 0 or $i == 3 or $i == 4 or $i == 5 or $i == 9 or $i == 10 or $i == 12 or $i == 16) {
projects / squirrelmail.git / commitdiff