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authorMichael Greenberg <michael.greenberg@pomona.edu>2020-04-29 20:04:21 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2020-05-15 16:24:38 +1000
commit2b6a5a30eeae293ca50d849bc1dae15f27044f99 (patch)
treea3035150efc600620203256ead9f34a39571958c /src/funcs
parentexpand: Remove unused expandmeta() flag parameter (diff)
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shell: mktokens relative TMPDIR
The mktokens script fails when /tmp isn't writable (e.g., when building
in a sandbox with a different TMPDIR). Replace absolute references to
/tmp to relative references to TMPDIR. If TMPDIR is unset or null,
default to /tmp.

The mkbuiltins script was already hardened to work relative to TMPDIR,
also defaulting to /tmp.

v2 ensures that TMPDIR is quoted.
v3 adds an extra quotation that prevents extra pathname expansions.

Signed-off-by: Michael Greenberg <michael.greenberg@pomona.edu>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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