rootfs: directories must not be opened writable.
* Also added support for O_DIRECTORY while at it. * This fixes bug #13573.
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@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2016, Axel Dörfler, axeld@pinc-software.de.
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* Copyright 2002-2017, Axel Dörfler, axeld@pinc-software.de.
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* Distributed under the terms of the MIT License.
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*
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* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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@ -583,8 +583,15 @@ rootfs_create(fs_volume* _volume, fs_vnode* _dir, const char* name, int omode,
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static status_t
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rootfs_open(fs_volume* _volume, fs_vnode* _v, int oflags, void** _cookie)
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rootfs_open(fs_volume* _volume, fs_vnode* _v, int openMode, void** _cookie)
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{
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struct rootfs_vnode* vnode = (rootfs_vnode*)_v->private_node;
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if (S_ISDIR(vnode->stream.type) && (openMode & O_RWMASK) != O_RDONLY)
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return B_IS_A_DIRECTORY;
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if ((openMode & O_DIRECTORY) != 0 && !S_ISDIR(vnode->stream.type))
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return B_NOT_A_DIRECTORY;
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// allow to open the file, but it can't be done anything with it
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*_cookie = NULL;
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