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| author | Tor Andersson <tor.andersson@artifex.com> | 2018-02-07 13:51:00 +0100 |
|---|---|---|
| committer | Tor Andersson <tor.andersson@artifex.com> | 2018-02-08 13:22:51 +0100 |
| commit | 39a83e8f8aaa8f0bf0c63c5eb40aa94191ce520a (patch) | |
| tree | 4bb3a2fcf6ca63111d9b4439c01cb6b04c1a71db /source/pdf | |
| parent | b59ff4e3956d8e62b6b76a0e23697b15bc8c9467 (diff) | |
| download | mupdf-39a83e8f8aaa8f0bf0c63c5eb40aa94191ce520a.tar.xz | |
Fix 698991: The pdf_is_stream call is too generous.
It should only return true for indirect references that are actually
streams, not just any array/dict that is contained in a stream object.
Diffstat (limited to 'source/pdf')
| -rw-r--r-- | source/pdf/pdf-stream.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/source/pdf/pdf-stream.c b/source/pdf/pdf-stream.c index fb517872..e2696bd1 100644 --- a/source/pdf/pdf-stream.c +++ b/source/pdf/pdf-stream.c @@ -20,11 +20,12 @@ pdf_obj_num_is_stream(fz_context *ctx, pdf_document *doc, int num) } int -pdf_is_stream(fz_context *ctx, pdf_obj *obj) +pdf_is_stream(fz_context *ctx, pdf_obj *ref) { - pdf_document *doc = pdf_get_bound_document(ctx, obj); - int num = pdf_obj_parent_num(ctx, obj); - return pdf_obj_num_is_stream(ctx, doc, num); + pdf_document *doc = pdf_get_indirect_document(ctx, ref); + if (doc) + return pdf_obj_num_is_stream(ctx, doc, pdf_to_num(ctx, ref)); + return 0; } /* |