Merge pull request #2993 from splitbrain/issue1892
Add random_bytes check in installer
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commit
47350e5c85
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@ -321,6 +321,7 @@ $lang['i_modified'] = 'For security reasons this script will only wor
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$lang['i_funcna'] = 'PHP function <code>%s</code> is not available. Maybe your hosting provider disabled it for some reason?';
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$lang['i_phpver'] = 'Your PHP version <code>%s</code> is lower than the needed <code>%s</code>. You need to upgrade your PHP install.';
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$lang['i_mbfuncoverload'] = 'mbstring.func_overload must be disabled in php.ini to run DokuWiki.';
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$lang['i_urandom'] = 'DokuWiki cannot create cryptographically secure numbers for cookies. You may want to check your open_basedir settings in php.ini for proper <code>/dev/urandom</code> access.';
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$lang['i_permfail'] = '<code>%s</code> is not writable by DokuWiki. You need to fix the permission settings of this directory!';
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$lang['i_confexists'] = '<code>%s</code> already exists';
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$lang['i_writeerr'] = 'Unable to create <code>%s</code>. You will need to check directory/file permissions and create the file manually.';
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14
install.php
14
install.php
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@ -565,6 +565,20 @@ function check_functions(){
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$ok = false;
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}
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try {
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random_bytes(1);
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} catch (\Exception $th) {
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// If an appropriate source of randomness cannot be found, an Exception will be thrown by PHP 7+
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// this exception is also thrown by paragonie/random_compat for PHP 5.6 support
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$error[] = $lang['i_urandom'];
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$ok = false;
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}
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if(ini_get('mbstring.func_overload') != 0){
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$error[] = $lang['i_mbfuncoverload'];
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$ok = false;
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}
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$funcs = explode(' ','addslashes call_user_func chmod copy fgets '.
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'file file_exists fseek flush filesize ftell fopen '.
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'glob header ignore_user_abort ini_get mail mkdir '.
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