/**
* Set a cookie
+ *
* @param string $sName The name of the cookie.
* @param string $sValue The value of the cookie.
- * @param int $iExpire The time the cookie expires. This is a Unix timestamp so is in number of seconds since the epoch.
- * @param string $sPath The path on the server in which the cookie will be available on.
+ * @param int $iExpire The time the cookie expires. This is a Unix
+ * timestamp so is in number of seconds since
+ * the epoch.
+ * @param string $sPath The path on the server in which the cookie
+ * will be available on.
* @param string $sDomain The domain that the cookie is available.
- * @param boolean $bSecure Indicates that the cookie should only be transmitted over a secure HTTPS connection.
+ * @param boolean $bSecure Indicates that the cookie should only be
+ * transmitted over a secure HTTPS connection.
* @param boolean $bHttpOnly Disallow JS to access the cookie (IE6 only)
+ * @param boolean $bReplace Replace previous cookies with same name?
+ *
* @return void
+ *
+ * @since 1.4.16 and 1.5.1
+ *
*/
-function sqsetcookie($sName,$sValue='deleted',$iExpire=0,$sPath="",$sDomain="",$bSecure=false,$bHttpOnly=true) {
+function sqsetcookie($sName, $sValue='deleted', $iExpire=0, $sPath="", $sDomain="",
+ $bSecure=false, $bHttpOnly=true, $bReplace=false) {
+
// if we have a secure connection then limit the cookies to https only.
- if ($sName && isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']) {
+ global $is_secure_connection;
+ if ($sName && $is_secure_connection)
$bSecure = true;
- }
// admin config can override the restriction of secure-only cookies
global $only_secure_cookies;
. (empty($sPath) ? '' : '; path=' . $sPath)
. (empty($sDomain) ? '' : '; domain=' . $sDomain)
. (!$bSecure ? '' : '; secure')
- . (!$bHttpOnly ? '' : '; HttpOnly'), false);
+ . (!$bHttpOnly ? '' : '; HttpOnly'), $bReplace);
}
}
+
/**
* session_regenerate_id replacement for PHP < 4.3.2
*
$buf = sprintf("%.15s%ld%ld%0.8f", $remote_addr, $tv['sec'], $tv['usec'], php_combined_lcg() * 10);
session_id(md5($buf));
if (ini_get('session.use_cookies')) {
- // at a later stage we use sqsetcookie. At this point just do
- // what session_regenerate_id would do
- setcookie(session_name(), session_id(), NULL, $base_uri);
+ sqsetcookie(session_name(), session_id(), 0, $base_uri);
}
return TRUE;
}
* @since 1.2.3
*/
function php_self () {
- if ( sqgetGlobalVar('REQUEST_URI', $req_uri, SQ_SERVER) && !empty($req_uri) ) {
- return $req_uri;
- }
+ // PHP 4.4.4 apparently gives the wrong value here - missing the query string
+ // this code is commented out in the 1.4.x code, so we'll do the same here
+ //if ( sqgetGlobalVar('REQUEST_URI', $req_uri, SQ_SERVER) && !empty($req_uri) ) {
+ // return $req_uri;
+ //}
if ( sqgetGlobalVar('PHP_SELF', $php_self, SQ_SERVER) && !empty($php_self) ) {
}
-/**
- * Find files and/or directories in a given directory optionally
- * limited to only those with the given file extension. If the
- * directory is not found or cannot be opened, no error is generated;
- * only an empty file list is returned.
-FIXME: do we WANT to throw an error or a notice or... or return FALSE?
- *
- * @param string $directory_path The path (relative or absolute)
- * to the desired directory.
- * @param mixed $extension The file extension filter - either
- * an array of desired extension(s),
- * or a comma-separated list of same
- * (optional; default is to return
- * all files (dirs).
- * @param boolean $return_filenames_only When TRUE, only file/dir names
- * are returned, otherwise the
- * $directory_path string is
- * prepended to each file/dir in
- * the returned list (optional;
- * default is filename/dirname only)
- * @param boolean $include_directories When TRUE, directories are
- * included (optional; default
- * DO include directories).
- * @param boolean $directories_only When TRUE, ONLY directories
- * are included (optional; default
- * is to include files too).
- * @param boolean $separate_files_and_directories When TRUE, files and
- * directories are returned
- * in separate lists, so
- * the return value is
- * formatted as a two-element
- * array with the two keys
- * "FILES" and "DIRECTORIES",
- * where corresponding values
- * are lists of either all
- * files or all directories
- * (optional; default do not
- * split up return array).
- * @param boolean $only_sm When TRUE, a security check will
- * limit directory access to only
- * paths within the SquirrelMail
- * installation currently being used
- * (optional; default TRUE)
- *
- * @return array The requested file/directory list(s).
- *
- * @since 1.5.2
- *
- */
-function list_files($directory_path, $extensions='', $return_filenames_only=TRUE,
- $include_directories=TRUE, $directories_only=FALSE,
- $separate_files_and_directories=FALSE, $only_sm=TRUE) {
-
- $files = array();
- $directories = array();
-
-
- // make sure requested path is under SM_PATH if needed
- //
- if ($only_sm) {
- if (strpos(realpath($directory_path), realpath(SM_PATH)) !== 0) {
- //plain_error_message(_("Illegal filesystem access was requested"));
- echo _("Illegal filesystem access was requested");
- exit;
- }
- }
-
-
- // validate given directory
- //
- if (empty($directory_path)
- || !is_dir($directory_path)
- || !($DIR = opendir($directory_path))) {
- return $files;
- }
-
-
- // ensure extensions is an array and is properly formatted
- //
- if (!empty($extensions)) {
- if (!is_array($extensions))
- $extensions = explode(',', $extensions);
- $temp_extensions = array();
- foreach ($extensions as $ext)
- $temp_extensions[] = '.' . trim(trim($ext), '.');
- $extensions = $temp_extensions;
- } else $extensions = array();
-
-
- $directory_path = rtrim($directory_path, '/');
-
-
- // parse through the files
- //
- while (($file = readdir($DIR)) !== false) {
-
- if ($file == '.' || $file == '..') continue;
-
- if (!empty($extensions))
- foreach ($extensions as $ext)
- if (strrpos($file, $ext) !== (strlen($file) - strlen($ext)))
- continue 2;
-
- // only use is_dir() if we really need to (be as efficient as possible)
- //
- $is_dir = FALSE;
- if (!$include_directories || $directories_only
- || $separate_files_and_directories) {
- if (is_dir($directory_path . '/' . $file)) {
- if (!$include_directories) continue;
- $is_dir = TRUE;
- $directories[] = ($return_filenames_only
- ? $file
- : $directory_path . '/' . $file);
- }
- if ($directories_only) continue;
- }
-
- if (!$separate_files_and_directories
- || ($separate_files_and_directories && !$is_dir)) {
- $files[] = ($return_filenames_only
- ? $file
- : $directory_path . '/' . $file);
- }
-
- }
- closedir($DIR);
-
-
- if ($directories_only) return $directories;
- if ($separate_files_and_directories) return array('FILES' => $files,
- 'DIRECTORIES' => $directories);
- return $files;
-
-}
-
-
/**
* Print variable
*
return $value;
}
+
+
+/**
+ * Detect whether or not we have a SSL secured (HTTPS) connection
+ * connection to the browser
+ *
+ * It is thought to be so if you have 'SSLOptions +StdEnvVars'
+ * in your Apache configuration,
+ * OR if you have HTTPS set to a non-empty value (except "off")
+ * in your HTTP_SERVER_VARS,
+ * OR if you have HTTP_X_FORWARDED_PROTO=https in your HTTP_SERVER_VARS,
+ * OR if you are on port 443.
+ *
+ * Note: HTTP_X_FORWARDED_PROTO could be sent from the client and
+ * therefore possibly spoofed/hackable. Thus, SquirrelMail
+ * ignores such headers by default. The administrator
+ * can tell SM to use such header values by setting
+ * $sq_ignore_http_x_forwarded_headers to boolean FALSE
+ * in config/config.php or by using config/conf.pl.
+ *
+ * Note: It is possible to run SSL on a port other than 443, and
+ * if that is the case, the administrator should set
+ * $sq_https_port in config/config.php or by using config/conf.pl.
+ *
+ * @return boolean TRUE if the current connection is SSL-encrypted;
+ * FALSE otherwise.
+ *
+ * @since 1.4.17 and 1.5.2
+ *
+ */
+function is_ssl_secured_connection()
+{
+ global $sq_ignore_http_x_forwarded_headers, $sq_https_port;
+ $https_env_var = getenv('HTTPS');
+ if ($sq_ignore_http_x_forwarded_headers
+ || !sqgetGlobalVar('HTTP_X_FORWARDED_PROTO', $forwarded_proto, SQ_SERVER))
+ $forwarded_proto = '';
+ if (empty($sq_https_port)) // won't work with port 0 (zero)
+ $sq_https_port = 443;
+ if ((isset($https_env_var) && strcasecmp($https_env_var, 'on') === 0)
+ || (sqgetGlobalVar('HTTPS', $https, SQ_SERVER) && !empty($https)
+ && strcasecmp($https, 'off') !== 0)
+ || (strcasecmp($forwarded_proto, 'https') === 0)
+ || (sqgetGlobalVar('SERVER_PORT', $server_port, SQ_SERVER)
+ && $server_port == $sq_https_port))
+ return TRUE;
+ return FALSE;
+}
+
+
+/**
+ * Endeavor to detect what user and group PHP is currently
+ * running as. Probably only works in non-Windows environments.
+ *
+ * @return mixed Boolean FALSE is returned if something went wrong,
+ * otherwise an array is returned with the following
+ * elements:
+ * uid The current process' UID (integer)
+ * euid The current process' effective UID (integer)
+ * gid The current process' GID (integer)
+ * egid The current process' effective GID (integer)
+ * name The current process' name/handle (string)
+ * ename The current process' effective name/handle (string)
+ * group The current process' group name (string)
+ * egroup The current process' effective group name (string)
+ * Note that some of these elements may have empty
+ * values, especially if they could not be determined.
+ *
+ * @since 1.5.2
+ *
+ */
+function get_process_owner_info()
+{
+ if (!function_exists('posix_getuid'))
+ return FALSE;
+
+ $process_info['uid'] = posix_getuid();
+ $process_info['euid'] = posix_geteuid();
+ $process_info['gid'] = posix_getgid();
+ $process_info['egid'] = posix_getegid();
+
+ $user_info = posix_getpwuid($process_info['uid']);
+ $euser_info = posix_getpwuid($process_info['euid']);
+ $group_info = posix_getgrgid($process_info['gid']);
+ $egroup_info = posix_getgrgid($process_info['egid']);
+
+ $process_info['name'] = $user_info['name'];
+ $process_info['ename'] = $euser_info['name'];
+ $process_info['group'] = $user_info['name'];
+ $process_info['egroup'] = $euser_info['name'];
+
+ return $process_info;
+}
+
+
projects / squirrelmail.git / blobdiff