cifsd: Update access check in set_file_allocation_info/set_end_of_file_info
[MS-SMB2] 3.3.5.21.1 If the object store supports security and FileInfoClass is FileAllocationInformation, FileEndOfFileInformation, or FileValidDataLengthInformation, and Open.GrantedAccess does not include FILE_WRITE_DATA, the server MUST fail the request with STATUS_ACCESS_DENIED. Signed-off-by: Marios Makassikis <mmakassikis@freebox.fr> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com>
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@ -5352,7 +5352,7 @@ static int set_file_allocation_info(struct ksmbd_work *work,
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struct inode *inode;
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int rc;
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if (!is_attributes_write_allowed(fp))
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if (!(fp->daccess & FILE_WRITE_DATA_LE))
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return -EACCES;
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file_alloc_info = (struct smb2_file_alloc_info *)buf;
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@ -5396,7 +5396,7 @@ static int set_end_of_file_info(struct ksmbd_work *work, struct ksmbd_file *fp,
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struct inode *inode;
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int rc;
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if (!is_attributes_write_allowed(fp))
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if (!(fp->daccess & FILE_WRITE_DATA_LE))
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return -EACCES;
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file_eof_info = (struct smb2_file_eof_info *)buf;
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