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-rw-r--r--security/apparmor/include/label.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/security/apparmor/include/label.h b/security/apparmor/include/label.h
index af22dcbbcb8a..d871e7ff0952 100644
--- a/security/apparmor/include/label.h
+++ b/security/apparmor/include/label.h
@@ -327,9 +327,37 @@ void aa_label_audit(struct audit_buffer *ab, struct aa_label *label, gfp_t gfp);
void aa_label_seq_print(struct seq_file *f, struct aa_label *label, gfp_t gfp);
void aa_label_printk(struct aa_label *label, gfp_t gfp);
+struct aa_label *aa_label_strn_parse(struct aa_label *base, const char *str,
+ size_t n, gfp_t gfp, bool create,
+ bool force_stack);
struct aa_label *aa_label_parse(struct aa_label *base, const char *str,
gfp_t gfp, bool create, bool force_stack);
+static inline const char *aa_label_strn_split(const char *str, int n)
+{
+ const char *pos;
+ unsigned int state;
+
+ state = aa_dfa_matchn_until(stacksplitdfa, DFA_START, str, n, &pos);
+ if (!ACCEPT_TABLE(stacksplitdfa)[state])
+ return NULL;
+
+ return pos - 3;
+}
+
+static inline const char *aa_label_str_split(const char *str)
+{
+ const char *pos;
+ unsigned int state;
+
+ state = aa_dfa_match_until(stacksplitdfa, DFA_START, str, &pos);
+ if (!ACCEPT_TABLE(stacksplitdfa)[state])
+ return NULL;
+
+ return pos - 3;
+}
+
+
struct aa_perms;
int aa_label_match(struct aa_profile *profile, struct aa_label *label,