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-rw-r--r--security/selinux/include/av_inherit.h1
-rw-r--r--security/selinux/include/av_perm_to_string.h1
-rw-r--r--security/selinux/include/av_permissions.h23
-rw-r--r--security/selinux/include/avc.h55
-rw-r--r--security/selinux/include/class_to_string.h1
-rw-r--r--security/selinux/include/flask.h1
-rw-r--r--security/selinux/include/netlabel.h4
-rw-r--r--security/selinux/include/xfrm.h8
8 files changed, 41 insertions, 53 deletions
diff --git a/security/selinux/include/av_inherit.h b/security/selinux/include/av_inherit.h
index 8377a4ba3b95..abedcd704dae 100644
--- a/security/selinux/include/av_inherit.h
+++ b/security/selinux/include/av_inherit.h
@@ -15,6 +15,7 @@
S_(SECCLASS_KEY_SOCKET, socket, 0x00400000UL)
S_(SECCLASS_UNIX_STREAM_SOCKET, socket, 0x00400000UL)
S_(SECCLASS_UNIX_DGRAM_SOCKET, socket, 0x00400000UL)
+ S_(SECCLASS_TUN_SOCKET, socket, 0x00400000UL)
S_(SECCLASS_IPC, ipc, 0x00000200UL)
S_(SECCLASS_SEM, ipc, 0x00000200UL)
S_(SECCLASS_MSGQ, ipc, 0x00000200UL)
diff --git a/security/selinux/include/av_perm_to_string.h b/security/selinux/include/av_perm_to_string.h
index 31df1d7c1aee..2b683ad83d21 100644
--- a/security/selinux/include/av_perm_to_string.h
+++ b/security/selinux/include/av_perm_to_string.h
@@ -107,6 +107,7 @@
S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_READ, "syslog_read")
S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_MOD, "syslog_mod")
S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_CONSOLE, "syslog_console")
+ S_(SECCLASS_SYSTEM, SYSTEM__MODULE_REQUEST, "module_request")
S_(SECCLASS_CAPABILITY, CAPABILITY__CHOWN, "chown")
S_(SECCLASS_CAPABILITY, CAPABILITY__DAC_OVERRIDE, "dac_override")
S_(SECCLASS_CAPABILITY, CAPABILITY__DAC_READ_SEARCH, "dac_read_search")
diff --git a/security/selinux/include/av_permissions.h b/security/selinux/include/av_permissions.h
index d645192ee950..0546d616ccac 100644
--- a/security/selinux/include/av_permissions.h
+++ b/security/selinux/include/av_permissions.h
@@ -423,6 +423,28 @@
#define UNIX_DGRAM_SOCKET__RECV_MSG 0x00080000UL
#define UNIX_DGRAM_SOCKET__SEND_MSG 0x00100000UL
#define UNIX_DGRAM_SOCKET__NAME_BIND 0x00200000UL
+#define TUN_SOCKET__IOCTL 0x00000001UL
+#define TUN_SOCKET__READ 0x00000002UL
+#define TUN_SOCKET__WRITE 0x00000004UL
+#define TUN_SOCKET__CREATE 0x00000008UL
+#define TUN_SOCKET__GETATTR 0x00000010UL
+#define TUN_SOCKET__SETATTR 0x00000020UL
+#define TUN_SOCKET__LOCK 0x00000040UL
+#define TUN_SOCKET__RELABELFROM 0x00000080UL
+#define TUN_SOCKET__RELABELTO 0x00000100UL
+#define TUN_SOCKET__APPEND 0x00000200UL
+#define TUN_SOCKET__BIND 0x00000400UL
+#define TUN_SOCKET__CONNECT 0x00000800UL
+#define TUN_SOCKET__LISTEN 0x00001000UL
+#define TUN_SOCKET__ACCEPT 0x00002000UL
+#define TUN_SOCKET__GETOPT 0x00004000UL
+#define TUN_SOCKET__SETOPT 0x00008000UL
+#define TUN_SOCKET__SHUTDOWN 0x00010000UL
+#define TUN_SOCKET__RECVFROM 0x00020000UL
+#define TUN_SOCKET__SENDTO 0x00040000UL
+#define TUN_SOCKET__RECV_MSG 0x00080000UL
+#define TUN_SOCKET__SEND_MSG 0x00100000UL
+#define TUN_SOCKET__NAME_BIND 0x00200000UL
#define PROCESS__FORK 0x00000001UL
#define PROCESS__TRANSITION 0x00000002UL
#define PROCESS__SIGCHLD 0x00000004UL
@@ -508,6 +530,7 @@
#define SYSTEM__SYSLOG_READ 0x00000002UL
#define SYSTEM__SYSLOG_MOD 0x00000004UL
#define SYSTEM__SYSLOG_CONSOLE 0x00000008UL
+#define SYSTEM__MODULE_REQUEST 0x00000010UL
#define CAPABILITY__CHOWN 0x00000001UL
#define CAPABILITY__DAC_OVERRIDE 0x00000002UL
#define CAPABILITY__DAC_READ_SEARCH 0x00000004UL
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index d12ff1a9c0aa..e94e82f73818 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -13,6 +13,7 @@
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/audit.h>
+#include <linux/lsm_audit.h>
#include <linux/in6.h>
#include <linux/path.h>
#include <asm/system.h>
@@ -36,48 +37,6 @@ struct inode;
struct sock;
struct sk_buff;
-/* Auxiliary data to use in generating the audit record. */
-struct avc_audit_data {
- char type;
-#define AVC_AUDIT_DATA_FS 1
-#define AVC_AUDIT_DATA_NET 2
-#define AVC_AUDIT_DATA_CAP 3
-#define AVC_AUDIT_DATA_IPC 4
- struct task_struct *tsk;
- union {
- struct {
- struct path path;
- struct inode *inode;
- } fs;
- struct {
- int netif;
- struct sock *sk;
- u16 family;
- __be16 dport;
- __be16 sport;
- union {
- struct {
- __be32 daddr;
- __be32 saddr;
- } v4;
- struct {
- struct in6_addr daddr;
- struct in6_addr saddr;
- } v6;
- } fam;
- } net;
- int cap;
- int ipc_id;
- } u;
-};
-
-#define v4info fam.v4
-#define v6info fam.v6
-
-/* Initialize an AVC audit data structure. */
-#define AVC_AUDIT_DATA_INIT(_d,_t) \
- { memset((_d), 0, sizeof(struct avc_audit_data)); (_d)->type = AVC_AUDIT_DATA_##_t; }
-
/*
* AVC statistics
*/
@@ -98,7 +57,9 @@ void __init avc_init(void);
void avc_audit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
- struct av_decision *avd, int result, struct avc_audit_data *auditdata);
+ struct av_decision *avd,
+ int result,
+ struct common_audit_data *a);
#define AVC_STRICT 1 /* Ignore permissive mode. */
int avc_has_perm_noaudit(u32 ssid, u32 tsid,
@@ -108,7 +69,7 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
int avc_has_perm(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
- struct avc_audit_data *auditdata);
+ struct common_audit_data *auditdata);
u32 avc_policy_seqno(void);
@@ -127,13 +88,13 @@ int avc_add_callback(int (*callback)(u32 event, u32 ssid, u32 tsid,
u32 events, u32 ssid, u32 tsid,
u16 tclass, u32 perms);
-/* Shows permission in human readable form */
-void avc_dump_av(struct audit_buffer *ab, u16 tclass, u32 av);
-
/* Exported to selinuxfs */
int avc_get_hash_stats(char *page);
extern unsigned int avc_cache_threshold;
+/* Attempt to free avc node cache */
+void avc_disable(void);
+
#ifdef CONFIG_SECURITY_SELINUX_AVC_STATS
DECLARE_PER_CPU(struct avc_cache_stats, avc_cache_stats);
#endif
diff --git a/security/selinux/include/class_to_string.h b/security/selinux/include/class_to_string.h
index 21ec786611d4..7ab9299bfb6b 100644
--- a/security/selinux/include/class_to_string.h
+++ b/security/selinux/include/class_to_string.h
@@ -77,3 +77,4 @@
S_(NULL)
S_(NULL)
S_("kernel_service")
+ S_("tun_socket")
diff --git a/security/selinux/include/flask.h b/security/selinux/include/flask.h
index 882f27d66fac..f248500a1e3c 100644
--- a/security/selinux/include/flask.h
+++ b/security/selinux/include/flask.h
@@ -53,6 +53,7 @@
#define SECCLASS_PEER 68
#define SECCLASS_CAPABILITY2 69
#define SECCLASS_KERNEL_SERVICE 74
+#define SECCLASS_TUN_SOCKET 75
/*
* Security identifier indices for initial entities
diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h
index b4b5b9b2f0be..8d7384280a7a 100644
--- a/security/selinux/include/netlabel.h
+++ b/security/selinux/include/netlabel.h
@@ -59,7 +59,7 @@ int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
struct sk_buff *skb,
u16 family,
- struct avc_audit_data *ad);
+ struct common_audit_data *ad);
int selinux_netlbl_socket_setsockopt(struct socket *sock,
int level,
int optname);
@@ -129,7 +129,7 @@ static inline int selinux_netlbl_socket_post_create(struct sock *sk,
static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
struct sk_buff *skb,
u16 family,
- struct avc_audit_data *ad)
+ struct common_audit_data *ad)
{
return 0;
}
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index 289e24b39e3e..13128f9a3e5a 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -41,9 +41,9 @@ static inline int selinux_xfrm_enabled(void)
}
int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
- struct avc_audit_data *ad);
+ struct common_audit_data *ad);
int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
- struct avc_audit_data *ad, u8 proto);
+ struct common_audit_data *ad, u8 proto);
int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
static inline void selinux_xfrm_notify_policyload(void)
@@ -57,13 +57,13 @@ static inline int selinux_xfrm_enabled(void)
}
static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
- struct avc_audit_data *ad)
+ struct common_audit_data *ad)
{
return 0;
}
static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
- struct avc_audit_data *ad, u8 proto)
+ struct common_audit_data *ad, u8 proto)
{
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.