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apparmor: add label data availability to the feature set

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gsettings mediation needs to be able to determine if apparmor supports
label data queries. A label data query can be done to test for support
but its failure is indistinguishable from other failures, making it an
unreliable indicator.

Fix by making support of label data queries available as a flag in the
apparmorfs features dir tree.

Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen 2017-05-26 18:49:04 -07:00
parent 4ae47f3335
commit a83bd86e83
1 changed files with 10 additions and 0 deletions
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10
security/apparmor/apparmorfs.c
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@ -1849,6 +1849,15 @@ static struct aa_sfs_entry aa_sfs_entry_policy[] = {
{ }
};
static struct aa_sfs_entry aa_sfs_entry_query_label[] = {
AA_SFS_FILE_BOOLEAN("data", 1),
{ }
};
static struct aa_sfs_entry aa_sfs_entry_query[] = {
AA_SFS_DIR("label", aa_sfs_entry_query_label),
{ }
};
static struct aa_sfs_entry aa_sfs_entry_features[] = {
AA_SFS_DIR("policy", aa_sfs_entry_policy),
AA_SFS_DIR("domain", aa_sfs_entry_domain),
@ -1856,6 +1865,7 @@ static struct aa_sfs_entry aa_sfs_entry_features[] = {
AA_SFS_FILE_U64("capability", VFS_CAP_FLAGS_MASK),
AA_SFS_DIR("rlimit", aa_sfs_entry_rlimit),
AA_SFS_DIR("caps", aa_sfs_entry_caps),
AA_SFS_DIR("query", aa_sfs_entry_query),
{ }
};