fwtool: do not strip metadata if extracting signature

This allows the signature to cover the metadata area

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/package/system/fwtool/src/fwtool.c b/package/system/fwtool/src/fwtool.c
index e77b8b58e11297d8e827bc7463bbdf69dccee5e2..505fafcf7a78b3110fc3d1d73c52d3f246893027 100644 (file)
--- a/package/system/fwtool/src/fwtool.c
+++ b/package/system/fwtool/src/fwtool.c
@@ -347,8 +347,10 @@ extract_data(const char *name)
                        ret = 0;
                        break;
                } else if (tr.type == FWIMAGE_INFO) {
-                       if (!metadata_file)
+                       if (!metadata_file) {
+                               dbuf.file_len += data_len + sizeof(tr);
                                break;
+                       }
 
                        hdr = buf;
                        data_len -= sizeof(*hdr);