ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/security/apparmor/include/perms.h b/marvell/linux/security/apparmor/include/perms.h
new file mode 100644
index 0000000..13f20c5
--- /dev/null
+++ b/marvell/linux/security/apparmor/include/perms.h
@@ -0,0 +1,156 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * AppArmor security module
+ *
+ * This file contains AppArmor basic permission sets definitions.
+ *
+ * Copyright 2017 Canonical Ltd.
+ */
+
+#ifndef __AA_PERM_H
+#define __AA_PERM_H
+
+#include <linux/fs.h>
+#include "label.h"
+
+#define AA_MAY_EXEC MAY_EXEC
+#define AA_MAY_WRITE MAY_WRITE
+#define AA_MAY_READ MAY_READ
+#define AA_MAY_APPEND MAY_APPEND
+
+#define AA_MAY_CREATE 0x0010
+#define AA_MAY_DELETE 0x0020
+#define AA_MAY_OPEN 0x0040
+#define AA_MAY_RENAME 0x0080 /* pair */
+
+#define AA_MAY_SETATTR 0x0100 /* meta write */
+#define AA_MAY_GETATTR 0x0200 /* meta read */
+#define AA_MAY_SETCRED 0x0400 /* security cred/attr */
+#define AA_MAY_GETCRED 0x0800
+
+#define AA_MAY_CHMOD 0x1000 /* pair */
+#define AA_MAY_CHOWN 0x2000 /* pair */
+#define AA_MAY_CHGRP 0x4000 /* pair */
+#define AA_MAY_LOCK 0x8000 /* LINK_SUBSET overlaid */
+
+#define AA_EXEC_MMAP 0x00010000
+#define AA_MAY_MPROT 0x00020000 /* extend conditions */
+#define AA_MAY_LINK 0x00040000 /* pair */
+#define AA_MAY_SNAPSHOT 0x00080000 /* pair */
+
+#define AA_MAY_DELEGATE
+#define AA_CONT_MATCH 0x08000000
+
+#define AA_MAY_STACK 0x10000000
+#define AA_MAY_ONEXEC 0x20000000 /* either stack or change_profile */
+#define AA_MAY_CHANGE_PROFILE 0x40000000
+#define AA_MAY_CHANGEHAT 0x80000000
+
+#define AA_LINK_SUBSET AA_MAY_LOCK /* overlaid */
+
+
+#define PERMS_CHRS_MASK (MAY_READ | MAY_WRITE | AA_MAY_CREATE | \
+ AA_MAY_DELETE | AA_MAY_LINK | AA_MAY_LOCK | \
+ AA_MAY_EXEC | AA_EXEC_MMAP | AA_MAY_APPEND)
+
+#define PERMS_NAMES_MASK (PERMS_CHRS_MASK | AA_MAY_OPEN | AA_MAY_RENAME | \
+ AA_MAY_SETATTR | AA_MAY_GETATTR | AA_MAY_SETCRED | \
+ AA_MAY_GETCRED | AA_MAY_CHMOD | AA_MAY_CHOWN | \
+ AA_MAY_CHGRP | AA_MAY_MPROT | AA_MAY_SNAPSHOT | \
+ AA_MAY_STACK | AA_MAY_ONEXEC | \
+ AA_MAY_CHANGE_PROFILE | AA_MAY_CHANGEHAT)
+
+extern const char aa_file_perm_chrs[];
+extern const char *aa_file_perm_names[];
+
+struct aa_perms {
+ u32 allow;
+ u32 audit; /* set only when allow is set */
+
+ u32 deny; /* explicit deny, or conflict if allow also set */
+ u32 quiet; /* set only when ~allow | deny */
+ u32 kill; /* set only when ~allow | deny */
+ u32 stop; /* set only when ~allow | deny */
+
+ u32 complain; /* accumulates only used when ~allow & ~deny */
+ u32 cond; /* set only when ~allow and ~deny */
+
+ u32 hide; /* set only when ~allow | deny */
+ u32 prompt; /* accumulates only used when ~allow & ~deny */
+
+ /* Reserved:
+ * u32 subtree; / * set only when allow is set * /
+ */
+ u16 xindex;
+};
+
+#define ALL_PERMS_MASK 0xffffffff
+extern struct aa_perms nullperms;
+extern struct aa_perms allperms;
+
+
+#define xcheck(FN1, FN2) \
+({ \
+ int e, error = FN1; \
+ e = FN2; \
+ if (e) \
+ error = e; \
+ error; \
+})
+
+
+/*
+ * TODO: update for labels pointing to labels instead of profiles
+ * TODO: optimize the walk, currently does subwalk of L2 for each P in L1
+ * gah this doesn't allow for label compound check!!!!
+ */
+#define xcheck_ns_profile_profile(P1, P2, FN, args...) \
+({ \
+ int ____e = 0; \
+ if (P1->ns == P2->ns) \
+ ____e = FN((P1), (P2), args); \
+ (____e); \
+})
+
+#define xcheck_ns_profile_label(P, L, FN, args...) \
+({ \
+ struct aa_profile *__p2; \
+ fn_for_each((L), __p2, \
+ xcheck_ns_profile_profile((P), __p2, (FN), args)); \
+})
+
+#define xcheck_ns_labels(L1, L2, FN, args...) \
+({ \
+ struct aa_profile *__p1; \
+ fn_for_each((L1), __p1, FN(__p1, (L2), args)); \
+})
+
+/* Do the cross check but applying FN at the profiles level */
+#define xcheck_labels_profiles(L1, L2, FN, args...) \
+ xcheck_ns_labels((L1), (L2), xcheck_ns_profile_label, (FN), args)
+
+#define xcheck_labels(L1, L2, P, FN1, FN2) \
+ xcheck(fn_for_each((L1), (P), (FN1)), fn_for_each((L2), (P), (FN2)))
+
+
+void aa_perm_mask_to_str(char *str, size_t str_size, const char *chrs,
+ u32 mask);
+void aa_audit_perm_names(struct audit_buffer *ab, const char * const *names,
+ u32 mask);
+void aa_audit_perm_mask(struct audit_buffer *ab, u32 mask, const char *chrs,
+ u32 chrsmask, const char * const *names, u32 namesmask);
+void aa_apply_modes_to_perms(struct aa_profile *profile,
+ struct aa_perms *perms);
+void aa_compute_perms(struct aa_dfa *dfa, unsigned int state,
+ struct aa_perms *perms);
+void aa_perms_accum(struct aa_perms *accum, struct aa_perms *addend);
+void aa_perms_accum_raw(struct aa_perms *accum, struct aa_perms *addend);
+void aa_profile_match_label(struct aa_profile *profile, struct aa_label *label,
+ int type, u32 request, struct aa_perms *perms);
+int aa_profile_label_perm(struct aa_profile *profile, struct aa_profile *target,
+ u32 request, int type, u32 *deny,
+ struct common_audit_data *sa);
+int aa_check_perms(struct aa_profile *profile, struct aa_perms *perms,
+ u32 request, struct common_audit_data *sa,
+ void (*cb)(struct audit_buffer *, void *));
+#endif /* __AA_PERM_H */