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What/why is mktemp? =================== Mktemp is a simple utility designed to make temporary file handling in shells scripts be safe and simple. Traditionally, people writing shell scripts have used constructs like: TFILE=/tmp/foop.$$ which are trivial to attack. If such a script is run as root it may be possible for an attacker on the local host to gain access to the root login, corrupt or unlink system files, or do a variety of other nasty things. The basic problem is that most shells have no equivalent to open(2)'s O_EXCL flag. While it is possible to avoid this using temporary directories, I consider the use of mktemp(1) to be superior both in terms of simplicity and robustness. See the man page for more information. I originally wrote mktemp(1) for the OpenBSD operating system and this version tracks any changes made to the mktemp(1) included with OpenBSD. Subsequently, many of the major Linux distributions started to include it in their distributions. I strongly encourage other OS vendors to either include mktemp(1) or something like it with their base OS. Where to get it =============== The latest version of mktemp may always be gotten via anonymous ftp from ftp.mktemp.org in the directory /pub/mktemp/. You can also find it on the web at http://www.mktemp.org/dist/. Copyright ========= Mktemp is distributed under a BSD-style license. Please refer to the `LICENSE' file included with the release for details. If you are an OS vendor who would like to bundle mktemp(1) but its license is unacceptable to you, please contact me--we can probably work something out. Web page ======== There is a mktemp `home page' at http://www.mktemp.org/ that contains on-line documentation and other information. Mailing lists ============= The mktemp-announce mailing list receives new release announcements and information about mktemp-related security issues. To subscribe, please visit the following web page: http://www.mktemp.org/mailman/listinfo/mktemp-announce Bug reports =========== If you find a bug in mktemp, please use the bug database on the web at http://www.mktemp.org/bugs/.