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Temporary files are used during normal operation of CSSC (and SCCS). Many of these are given fixed names. The prefixes for the various files used by CSSC are listed in the table below.
diff
in this file instead.
All of the temporary files in the above table are created in the same directory as the s-file, rather than in the current working directory.
Since these filenames are always fixed, it is important that the permissions on the directory containing the SCCS file be secure; otherwise you have a security vulnerability where a malicious user can cause you to accidentally over-write files you own or have access to, but they do not. If you are the super-user, they can use this feature to overwrite any file on the system.
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