function services_ipauth_ip_is_in_range in Services IP Authentication 6

Same name and namespace in other branches

1. 7 services_ipauth.module \services_ipauth_ip_is_in_range()

Check if an IP address is in a certain range.

Parameters

string $ip The IP address to check.:

string $range The range in which the IP address must be.:

Return value

boolean TRUE if the IP address is within the range, FALSE otherwise.

1 call to services_ipauth_ip_is_in_range()

_services_ipauth_authenticate_call in ./services_ipauth.inc

Authenticate call.

File

./services_ipauth.module, line 74

Hook implementations and general API function for the IP Authentication module.

Code

function services_ipauth_ip_is_in_range($ip, $range) {

  // Break up IP in quadrants.
  $addr = explode(".", $ip);
  $matches = FALSE;

  // Multiple values are separated with commas so try each in turn.
  $ip_ranges = explode(",", $range);
  foreach ($ip_ranges as $ip_range) {

    // Clear any whitespace, break into quads, then compare.
    $ip_range = explode('.', trim($ip_range));
    foreach ($ip_range as $index => $quad) {
      if (!($matches = services_ipauth_ip_quad_matches($addr[$index], $quad))) {

        // No match, escape this foreach and move on to next IP range.
        break;
      }
    }

    // If it matches, stop here and do login.
    if ($matches) {
      return $matches;
    }
  }
  return FALSE;
}