Updated AppArmor with a newer backported AppArmor release by UBports

2025-04-08 19:57:41 -05:00
parent fb417c8ab5
commit 3337d21439
45 changed files with 9343 additions and 1547 deletions
--- a/security/apparmor/include/net.h
+++ b/security/apparmor/include/net.h
@@ -0,0 +1,110 @@
+/*
+ * AppArmor security module
+ *
+ * This file contains AppArmor network mediation definitions.
+ *
+ * Copyright (C) 1998-2008 Novell/SUSE
+ * Copyright 2009-2014 Canonical Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2 of the
+ * License.
+ */
+
+#ifndef __AA_NET_H
+#define __AA_NET_H
+
+#include <net/sock.h>
+
+#include "apparmorfs.h"
+#include "label.h"
+#include "perms.h"
+#include "policy.h"
+
+#define AA_MAY_SEND		AA_MAY_WRITE
+#define AA_MAY_RECEIVE		AA_MAY_READ
+
+#define AA_MAY_SHUTDOWN		AA_MAY_DELETE
+
+#define AA_MAY_CONNECT		AA_MAY_OPEN
+#define AA_MAY_ACCEPT		0x00100000
+
+#define AA_MAY_BIND		0x00200000
+#define AA_MAY_LISTEN		0x00400000
+
+#define AA_MAY_SETOPT		0x01000000
+#define AA_MAY_GETOPT		0x02000000
+
+#define NET_PERMS_MASK (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CREATE |    \
+			AA_MAY_SHUTDOWN | AA_MAY_BIND | AA_MAY_LISTEN |	  \
+			AA_MAY_CONNECT | AA_MAY_ACCEPT | AA_MAY_SETATTR | \
+			AA_MAY_GETATTR | AA_MAY_SETOPT | AA_MAY_GETOPT)
+
+#define NET_FS_PERMS (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CREATE |	\
+		      AA_MAY_SHUTDOWN | AA_MAY_CONNECT | AA_MAY_RENAME |\
+		      AA_MAY_SETATTR | AA_MAY_GETATTR | AA_MAY_CHMOD |	\
+		      AA_MAY_CHOWN | AA_MAY_CHGRP | AA_MAY_LOCK |	\
+		      AA_MAY_MPROT)
+
+#define NET_PEER_MASK (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CONNECT |	\
+		       AA_MAY_ACCEPT)
+struct aa_sk_cxt {
+	struct aa_label *label;
+	struct aa_label *peer;
+};
+
+#define SK_CXT(X) (X)->sk_security
+#define SOCK_CXT(X) SOCK_INODE(X)->i_security
+#define DEFINE_AUDIT_NET(NAME, OP, SK, F, T, P)				  \
+	struct lsm_network_audit NAME ## _net = { .sk = (SK),		  \
+						  .family = (F)};	  \
+	DEFINE_AUDIT_DATA(NAME,						  \
+			  (SK) ? LSM_AUDIT_DATA_NET : LSM_AUDIT_DATA_NONE,\
+			  OP);						  \
+	NAME.u.net = &(NAME ## _net);					  \
+	aad(&NAME)->net.type = (T);					  \
+	aad(&NAME)->net.protocol = (P)
+
+/* struct aa_net - network confinement data
+ * @allowed: basic network families permissions
+ * @audit_network: which network permissions to force audit
+ * @quiet_network: which network permissions to quiet rejects
+ */
+struct aa_net {
+	u16 allow[AF_MAX];
+	u16 audit[AF_MAX];
+	u16 quiet[AF_MAX];
+};
+
+
+extern struct aa_fs_entry aa_fs_entry_network[];
+
+void audit_net_cb(struct audit_buffer *ab, void *va);
+int aa_profile_af_perm(struct aa_profile *profile, int op, u16 family,
+		       int type, int protocol, struct sock *sk);
+int aa_af_perm(struct aa_label *label, int op, u32 request, u16 family,
+	       int type, int protocol, struct sock *sk);
+int aa_sock_perm(int op, u32 request, struct socket *sock);
+int aa_sock_create_perm(struct aa_label *label, int family, int type,
+			int protocol);
+int aa_sock_bind_perm(struct socket *sock, struct sockaddr *address,
+		      int addrlen);
+int aa_sock_connect_perm(struct socket *sock, struct sockaddr *address,
+			 int addrlen);
+int aa_sock_listen_perm(struct socket *sock, int backlog);
+int aa_sock_accept_perm(struct socket *sock, struct socket *newsock);
+int aa_sock_msg_perm(int op, u32 request, struct socket *sock,
+		     struct msghdr *msg, int size);
+int aa_sock_opt_perm(int op, u32 request, struct socket *sock, int level,
+		     int optname);
+int aa_sock_file_perm(struct aa_label *label, int op, u32 request,
+		      struct socket *sock);
+
+
+static inline void aa_free_net_rules(struct aa_net *new)
+{
+	/* NOP */
+}
+
+#endif /* __AA_NET_H */