Extend datwTime validation to UTC+14 (Issue #1201)

Author: michaelrsweet

CHANGES.md

@@ -14,6 +14,8 @@ Changes in CUPS v2.4.12 (YYYY-MM-DD)
 - Fixed client raster printing from macOS (Issue #1143)
 - Fixed the default User-Agent string.
 - Fixed a recursion issue in `ippReadIO`.
+- Fixed validation of dateTime values with time zones more than UTC+11
+  (Issue #1201)
 
 
 Changes in CUPS v2.4.11 (2024-09-30)

cups/ipp.c

@@ -1,7 +1,7 @@
 /*
  * Internet Printing Protocol functions for CUPS.
  *
- * Copyright © 2022-2024 by OpenPrinting.
+ * Copyright © 2022-2025 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
@@ -4077,8 +4077,9 @@ ippValidateAttribute(
 	    return (0);
 	  }
 
-          if (date[9] > 11)
+          if (date[9] > 14)
 	  {
+	    // Kiribata has a UTC+14 time zone, RFC 2579 calls for UTC+13 support, errata filed...
 	    ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime UTC hours %u (RFC 8011 section 5.1.15)."), attr->name, date[9]);
 	    return (0);
 	  }