Fix unauthenticated print policies (Issue #1557)

Author: michaelrsweet

CHANGES.md

@@ -5,6 +5,8 @@ CHANGES - OpenPrinting CUPS
 Changes in CUPS v2.4.19 (YYYY-MM-DD)
 ------------------------------------
 
+- Fixed a regression in shared printing from non-local accounts (Issue #1557)
+
 
 Changes in CUPS v2.4.18 (2026-04-22)
 ------------------------------------

scheduler/auth.c

@@ -1835,8 +1835,9 @@ cupsdIsAuthorized(cupsd_client_t *con,	/* I - Connection */
 	 name;
 	 name = (char *)cupsArrayNext(best->names))
     {
-      if (!_cups_strcasecmp(name, "@OWNER") && owner && pw &&
-          !strcmp(pw->pw_name, ownername))
+      if (!_cups_strcasecmp(name, "@OWNER") && owner &&
+          ((pw && !strcmp(pw->pw_name, ownername)) ||
+           (!pw && type == CUPSD_AUTH_NONE && !_cups_strcasecmp(username, ownername))))
 	return (HTTP_OK);
       else if (!_cups_strcasecmp(name, "@SYSTEM"))
       {
@@ -1850,6 +1851,8 @@ cupsdIsAuthorized(cupsd_client_t *con,	/* I - Connection */
       }
       else if (pw && !strcmp(pw->pw_name, name))
         return (HTTP_OK);
+      else if (!pw && type == CUPSD_AUTH_NONE && !_cups_strcasecmp(username, name))
+	return (HTTP_STATUS_OK);
     }
 
     for (name = (char *)cupsArrayFirst(best->names);