47 lines
1.1 KiB
Diff
47 lines
1.1 KiB
Diff
From 5e697686ff137496f5ede4b1ee21d67ea682186a Mon Sep 17 00:00:00 2001
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From: Martchus <martchus@gmx.net>
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Date: Tue, 14 Jun 2022 23:14:10 +0200
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Subject: [PATCH 3/3] Fix filename buffer overflow
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---
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src/libjasper/include/jasper/jas_stream.h | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/src/libjasper/include/jasper/jas_stream.h b/src/libjasper/include/jasper/jas_stream.h
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index d8938d1..61a6e66 100644
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--- a/src/libjasper/include/jasper/jas_stream.h
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+++ b/src/libjasper/include/jasper/jas_stream.h
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@@ -77,6 +77,7 @@
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#include <jasper/jas_config.h> /* IWYU pragma: export */
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#include <stdio.h>
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+#include <limits.h>
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#if defined(JAS_HAVE_FCNTL_H)
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#include <fcntl.h>
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#endif
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@@ -100,6 +101,12 @@ extern "C" {
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#define O_BINARY 0
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#endif
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+#ifdef PATH_MAX
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+#define JAS_PATH_MAX PATH_MAX
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+#else
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+#define JAS_PATH_MAX 4096
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+#endif
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+
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/*
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* Stream open flags.
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*/
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@@ -258,7 +265,7 @@ typedef struct {
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typedef struct {
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int fd;
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int flags;
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- char pathname[L_tmpnam + 1];
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+ char pathname[JAS_PATH_MAX + 1];
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} jas_stream_fileobj_t;
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/* Delete underlying file object upon stream close. */
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--
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2.36.1
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