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gpg does not honor $TMPDIR nor use /tmp when checking trustdb
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Description

Environment

i386, Linux 2.6.12.3, Debian unstable, self-compiled gnupg 1.4.1, ...

Description

command "gpg --check-trustdb" fails to check the trustdb if user has no write permission on the directory the keyring lives in:

$ TMPDIR=/tmp gpg --check-trustdb

[...]

gpg: can't create `/usr/share/keyrings/debian-keyring.gpg.tmp': Permission denied
gpg: failed to rebuild keyring cache: file open error
gpg: can't create `/usr/share/keyrings/debian-keyring.pgp.tmp': Permission denied
gpg: failed to rebuild keyring cache: file open error

[...]

How To Repeat

place keyring in directory without user write permissions:

gpg --check-trustdb

Fix

honor $TMPDIR if set, otherwise use /tmp

Event Timeline

telegraph added projects: gnupg, Bug Report.Aug 3 2005, 3:03 PM
• werner closed this task as Resolved.Oct 2 2006, 7:54 PM
• werner added a subscriber: • werner.

This is not a bug. We can't use the tmpdir for reasons of atomicity. The
temporary file is renamed to the old file and this won't work if /tmp or
whatever is on another file system.

• werner added a project: Not A Bug.Oct 2 2006, 7:54 PM