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repo: Prevent GPG keys from being imported to keybox format 

If a remote keyring does not already exist, create an empty pubring.gpg
file in the temporary directory prior to importing keys.  This prevents
gpg2 from creating a pubring.kbx file in the new keybox format [1].  We
want to stay with the older keyring format since its performances issues
are not relevant here.

[1] https://gnupg.org/faq/whats-new-in-2.1.html#keybox
This commit is contained in:
Matthew Barnes 2015-05-14 12:44:36 -04:00
parent efcdf4c3f8
commit 6a6479c355
1 changed files with 20 additions and 1 deletions
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21
src/libostree/ostree-repo.c
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@ -1308,7 +1308,26 @@ ostree_repo_remote_gpg_import (OstreeRepo *self,
goto out;
}
}
else if (errno != ENOENT)
else if (errno == ENOENT)
{
glnx_fd_close int fd = -1;
/* Create an empty pubring.gpg file prior to importing keys. This
* prevents gpg2 from creating a pubring.kbx file in the new keybox
* format [1]. We want to stay with the older keyring format since
* its performance issues are not relevant here.
*
* [1] https://gnupg.org/faq/whats-new-in-2.1.html#keybox
*/
fd = openat (target_temp_fd, "pubring.gpg",
O_WRONLY | O_CREAT | O_CLOEXEC | O_NOCTTY, 0644);
if (fd == -1)
{
glnx_set_prefix_error_from_errno (error, "%s", "Unable to create pubring.gpg");
goto out;
}
}
else
{
glnx_set_prefix_error_from_errno (error, "%s", "Unable to copy remote's keyring");
goto out;