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-rw-r--r--security/apparmor/apparmorfs.c10
-rw-r--r--security/apparmor/include/apparmorfs.h6
2 files changed, 16 insertions, 0 deletions
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index f30dada0dca2..f9d0b5087bea 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -154,6 +154,9 @@ static int aa_fs_seq_show(struct seq_file *seq, void *v)
case AA_FS_TYPE_BOOLEAN:
seq_printf(seq, "%s\n", fs_file->v.boolean ? "yes" : "no");
break;
+ case AA_FS_TYPE_STRING:
+ seq_printf(seq, "%s\n", fs_file->v.string);
+ break;
case AA_FS_TYPE_U64:
seq_printf(seq, "%#08lx\n", fs_file->v.u64);
break;
@@ -180,6 +183,12 @@ const struct file_operations aa_fs_seq_file_ops = {
/** Base file system setup **/
+static struct aa_fs_entry aa_fs_entry_file[] = {
+ AA_FS_FILE_STRING("mask", "create read write exec append mmap_exec " \
+ "link lock"),
+ { }
+};
+
static struct aa_fs_entry aa_fs_entry_domain[] = {
AA_FS_FILE_BOOLEAN("change_hat", 1),
AA_FS_FILE_BOOLEAN("change_hatv", 1),
@@ -190,6 +199,7 @@ static struct aa_fs_entry aa_fs_entry_domain[] = {
static struct aa_fs_entry aa_fs_entry_features[] = {
AA_FS_DIR("domain", aa_fs_entry_domain),
+ AA_FS_DIR("file", aa_fs_entry_file),
AA_FS_FILE_U64("capability", VFS_CAP_FLAGS_MASK),
{ }
};
diff --git a/security/apparmor/include/apparmorfs.h b/security/apparmor/include/apparmorfs.h
index 16e654530f30..7ea4769fab3f 100644
--- a/security/apparmor/include/apparmorfs.h
+++ b/security/apparmor/include/apparmorfs.h
@@ -17,6 +17,7 @@
enum aa_fs_type {
AA_FS_TYPE_BOOLEAN,
+ AA_FS_TYPE_STRING,
AA_FS_TYPE_U64,
AA_FS_TYPE_FOPS,
AA_FS_TYPE_DIR,
@@ -31,6 +32,7 @@ struct aa_fs_entry {
enum aa_fs_type v_type;
union {
bool boolean;
+ char *string;
unsigned long u64;
struct aa_fs_entry *files;
} v;
@@ -43,6 +45,10 @@ extern const struct file_operations aa_fs_seq_file_ops;
{ .name = (_name), .mode = 0444, \
.v_type = AA_FS_TYPE_BOOLEAN, .v.boolean = (_value), \
.file_ops = &aa_fs_seq_file_ops }
+#define AA_FS_FILE_STRING(_name, _value) \
+ { .name = (_name), .mode = 0444, \
+ .v_type = AA_FS_TYPE_STRING, .v.string = (_value), \
+ .file_ops = &aa_fs_seq_file_ops }
#define AA_FS_FILE_U64(_name, _value) \
{ .name = (_name), .mode = 0444, \
.v_type = AA_FS_TYPE_U64, .v.u64 = (_value), \