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authorJohn Johansen <john.johansen@canonical.com>2017-01-16 11:42:48 +0300
committerJohn Johansen <john.johansen@canonical.com>2017-01-16 12:18:37 +0300
commit3e3e569539864d5812ecb03792dc183ebbf81476 (patch)
treebf2f244df0c8c9fd81bd160af404ae40f20d0209 /security/apparmor
parentb79473f2de3eb3320e2a145da8a2ea03c7331784 (diff)
downloadlinux-3e3e569539864d5812ecb03792dc183ebbf81476.tar.xz
apparmor: allow introspecting the policy namespace name
Signed-off-by: John Johansen <john.johansen@canonical.com>
Diffstat (limited to 'security/apparmor')
-rw-r--r--security/apparmor/apparmorfs.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index 14b96a44a3f5..9fd7f73a4e86 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -356,6 +356,7 @@ static const struct file_operations aa_fs_seq_hash_fops = {
.release = single_release,
};
+
static int aa_fs_seq_show_ns_level(struct seq_file *seq, void *v)
{
struct aa_ns *ns = aa_current_profile()->ns;
@@ -378,6 +379,28 @@ static const struct file_operations aa_fs_ns_level = {
.release = single_release,
};
+static int aa_fs_seq_show_ns_name(struct seq_file *seq, void *v)
+{
+ struct aa_ns *ns = aa_current_profile()->ns;
+
+ seq_printf(seq, "%s\n", ns->base.name);
+
+ return 0;
+}
+
+static int aa_fs_seq_open_ns_name(struct inode *inode, struct file *file)
+{
+ return single_open(file, aa_fs_seq_show_ns_name, inode->i_private);
+}
+
+static const struct file_operations aa_fs_ns_name = {
+ .owner = THIS_MODULE,
+ .open = aa_fs_seq_open_ns_name,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/** fns to setup dynamic per profile/namespace files **/
void __aa_fs_profile_rmdir(struct aa_profile *profile)
{
@@ -852,6 +875,7 @@ static struct aa_fs_entry aa_fs_entry_apparmor[] = {
AA_FS_FILE_FOPS(".replace", 0640, &aa_fs_profile_replace),
AA_FS_FILE_FOPS(".remove", 0640, &aa_fs_profile_remove),
AA_FS_FILE_FOPS(".ns_level", 0666, &aa_fs_ns_level),
+ AA_FS_FILE_FOPS(".ns_name", 0640, &aa_fs_ns_name),
AA_FS_FILE_FOPS("profiles", 0640, &aa_fs_profiles_fops),
AA_FS_DIR("features", aa_fs_entry_features),
{ }