From f279676b6b703f2fe618660041ebd7651d49336b Mon Sep 17 00:00:00 2001
From: Vreixo Formoso <metalpain2002@yahoo.es>
Date: Mon, 17 Dec 2007 20:47:53 +0100
Subject: [PATCH] Check file size to ensure file bigger than 4GB are not added
 to image.

---
 src/ecma119_tree.c | 8 ++++++++
 src/error.h        | 1 +
 src/filesrc.c      | 5 +++++
 3 files changed, 14 insertions(+)

diff --git a/src/ecma119_tree.c b/src/ecma119_tree.c
index 2566155..3b7736b 100644
--- a/src/ecma119_tree.c
+++ b/src/ecma119_tree.c
@@ -187,17 +187,25 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
     switch(iso->type) {
     case LIBISO_FILE:
         ret = create_file(image, (IsoFile*)iso, &node);
+        if (ret == ISO_FILE_TOO_BIG) {
+            free(iso_name);
+            // TODO log
+            return 0;
+        }
         break;
     case LIBISO_SYMLINK:
         //TODO only supported with RR
+        free(iso_name);
         return 0;
         break;
     case LIBISO_SPECIAL:
         //TODO only supported with RR
+        free(iso_name);
         return 0;
         break;
     case LIBISO_BOOT:
         //TODO
+        free(iso_name);
         return 0;
         break;
     case LIBISO_DIR: 
diff --git a/src/error.h b/src/error.h
index 0bbe9d8..7907346 100644
--- a/src/error.h
+++ b/src/error.h
@@ -35,6 +35,7 @@
 #define ISO_FILE_READ_ERROR				-107
 #define ISO_FILE_IS_NOT_DIR				-108
 #define ISO_FILE_IS_NOT_SYMLINK			-109
+#define ISO_FILE_TOO_BIG                -110
 
 #define ISO_CHARSET_CONV_ERROR          -150
 
diff --git a/src/filesrc.c b/src/filesrc.c
index 7986afe..39f3d9e 100644
--- a/src/filesrc.c
+++ b/src/filesrc.c
@@ -71,6 +71,11 @@ int iso_file_src_create(Ecma119Image *img, IsoFile *file, IsoFileSrc **src)
             return ISO_FILE_ERROR;
         }
         
+        /* Files > 4GB not supported yet, they need ISO level 3 */
+        if (size > (off_t)0xffffffff) {
+            return ISO_FILE_TOO_BIG;
+        }
+        
         fsrc = malloc(sizeof(IsoFileSrc));
         if (fsrc == NULL) {
             return ISO_MEM_ERROR;