diff options
| author | Tor Andersson <tor.andersson@artifex.com> | 2016-06-29 11:55:31 +0200 |
|---|---|---|
| committer | Tor Andersson <tor.andersson@artifex.com> | 2016-07-06 13:34:37 +0200 |
| commit | 944a6aff121475d1db07423fe97a72fa1ded3f40 (patch) | |
| tree | 3101f75f907f30028c263ba99aace2a40ac5dc67 /source/pdf/pdf-xref.c | |
| parent | 6e9c02ab4fedd4f44e0cf3772350bb6c32c4a477 (diff) | |
| download | mupdf-944a6aff121475d1db07423fe97a72fa1ded3f40.tar.xz | |
pdf: Check ownership when adding objects to a document.
Diffstat (limited to 'source/pdf/pdf-xref.c')
| -rw-r--r-- | source/pdf/pdf-xref.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source/pdf/pdf-xref.c b/source/pdf/pdf-xref.c index 0365e7a7..117e4f1c 100644 --- a/source/pdf/pdf-xref.c +++ b/source/pdf/pdf-xref.c @@ -2699,7 +2699,12 @@ pdf_document *pdf_specifics(fz_context *ctx, fz_document *doc) pdf_obj * pdf_add_object(fz_context *ctx, pdf_document *doc, pdf_obj *obj) { + pdf_document *orig_doc; int num; + + orig_doc = pdf_get_bound_document(ctx, obj); + if (orig_doc && orig_doc != doc) + fz_throw(ctx, FZ_ERROR_GENERIC, "tried to add an object belonging to a different document"); if (pdf_is_indirect(ctx, obj)) return pdf_keep_obj(ctx, obj); num = pdf_create_object(ctx, doc); |