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parser: fix parser so that cache creation failure doesn't cause load failure

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This is a minimal patch so that it can be backported to 2.11 and 2.10
which reverts the abort on error failure when the cache can not be
created and write-cache is set.

This is meant as a temporary fix for
https://bugzilla.suse.com/show_bug.cgi?id=1069906
https://bugzilla.opensuse.org/show_bug.cgi?id=1074429

where the cache location is being mounted readonly and the cache
creation failure is causing policy to not be loaded. And the
thrown parser error to cause issues for openQA.

Note: A cache failure warning will be reported after the policy load.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Christian Boltz apparmor@cboltz.de
(cherry picked from commit 42b68b65fe1861609ffe31e05be02a007d11ca1c)
This commit is contained in:
John Johansen 2018-01-04 03:01:35 -08:00
parent caf52a31a5
commit 367710384d
1 changed files with 3 additions and 3 deletions
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6
parser/policy_cache.c
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@ -146,13 +146,13 @@ int setup_cache_tmp(const char **cachetmpname, const char *cachename)
*cachetmpname = NULL;
if (write_cache) {
/* Otherwise, set up to save a cached copy */
if (asprintf(&tmpname, "%s-XXXXXX", cachename)<0) {
if (asprintf(&tmpname, "%s-XXXXXX", cachename) < 0) {
perror("asprintf");
exit(1);
return -1;
}
if ((cache_fd = mkstemp(tmpname)) < 0) {
perror("mkstemp");
exit(1);
return -1;
}
*cachetmpname = tmpname;
}