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-rw-r--r--security/selinux/include/audit.h65
-rw-r--r--security/selinux/include/av_perm_to_string.h5
-rw-r--r--security/selinux/include/av_permissions.h5
-rw-r--r--security/selinux/include/netlabel.h16
-rw-r--r--security/selinux/include/objsec.h8
-rw-r--r--security/selinux/include/security.h2
6 files changed, 77 insertions, 24 deletions
diff --git a/security/selinux/include/audit.h b/security/selinux/include/audit.h
new file mode 100644
index 000000000000..6c8b9ef15579
--- /dev/null
+++ b/security/selinux/include/audit.h
@@ -0,0 +1,65 @@
+/*
+ * SELinux support for the Audit LSM hooks
+ *
+ * Most of below header was moved from include/linux/selinux.h which
+ * is released under below copyrights:
+ *
+ * Author: James Morris <jmorris@redhat.com>
+ *
+ * Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ * Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
+ * Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ */
+
+#ifndef _SELINUX_AUDIT_H
+#define _SELINUX_AUDIT_H
+
+/**
+ * selinux_audit_rule_init - alloc/init an selinux audit rule structure.
+ * @field: the field this rule refers to
+ * @op: the operater the rule uses
+ * @rulestr: the text "target" of the rule
+ * @rule: pointer to the new rule structure returned via this
+ *
+ * Returns 0 if successful, -errno if not. On success, the rule structure
+ * will be allocated internally. The caller must free this structure with
+ * selinux_audit_rule_free() after use.
+ */
+int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **rule);
+
+/**
+ * selinux_audit_rule_free - free an selinux audit rule structure.
+ * @rule: pointer to the audit rule to be freed
+ *
+ * This will free all memory associated with the given rule.
+ * If @rule is NULL, no operation is performed.
+ */
+void selinux_audit_rule_free(void *rule);
+
+/**
+ * selinux_audit_rule_match - determine if a context ID matches a rule.
+ * @sid: the context ID to check
+ * @field: the field this rule refers to
+ * @op: the operater the rule uses
+ * @rule: pointer to the audit rule to check against
+ * @actx: the audit context (can be NULL) associated with the check
+ *
+ * Returns 1 if the context id matches the rule, 0 if it does not, and
+ * -errno on failure.
+ */
+int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *rule,
+ struct audit_context *actx);
+
+/**
+ * selinux_audit_rule_known - check to see if rule contains selinux fields.
+ * @rule: rule to be checked
+ * Returns 1 if there are selinux fields specified in the rule, 0 otherwise.
+ */
+int selinux_audit_rule_known(struct audit_krule *krule);
+
+#endif /* _SELINUX_AUDIT_H */
+
diff --git a/security/selinux/include/av_perm_to_string.h b/security/selinux/include/av_perm_to_string.h
index d5696690d3a2..1223b4ff9bee 100644
--- a/security/selinux/include/av_perm_to_string.h
+++ b/security/selinux/include/av_perm_to_string.h
@@ -14,12 +14,17 @@
S_(SECCLASS_DIR, DIR__REPARENT, "reparent")
S_(SECCLASS_DIR, DIR__SEARCH, "search")
S_(SECCLASS_DIR, DIR__RMDIR, "rmdir")
+ S_(SECCLASS_DIR, DIR__OPEN, "open")
S_(SECCLASS_FILE, FILE__EXECUTE_NO_TRANS, "execute_no_trans")
S_(SECCLASS_FILE, FILE__ENTRYPOINT, "entrypoint")
S_(SECCLASS_FILE, FILE__EXECMOD, "execmod")
+ S_(SECCLASS_FILE, FILE__OPEN, "open")
S_(SECCLASS_CHR_FILE, CHR_FILE__EXECUTE_NO_TRANS, "execute_no_trans")
S_(SECCLASS_CHR_FILE, CHR_FILE__ENTRYPOINT, "entrypoint")
S_(SECCLASS_CHR_FILE, CHR_FILE__EXECMOD, "execmod")
+ S_(SECCLASS_CHR_FILE, CHR_FILE__OPEN, "open")
+ S_(SECCLASS_BLK_FILE, BLK_FILE__OPEN, "open")
+ S_(SECCLASS_FIFO_FILE, FIFO_FILE__OPEN, "open")
S_(SECCLASS_FD, FD__USE, "use")
S_(SECCLASS_TCP_SOCKET, TCP_SOCKET__CONNECTTO, "connectto")
S_(SECCLASS_TCP_SOCKET, TCP_SOCKET__NEWCONN, "newconn")
diff --git a/security/selinux/include/av_permissions.h b/security/selinux/include/av_permissions.h
index 75b41311ab86..c4c51165c505 100644
--- a/security/selinux/include/av_permissions.h
+++ b/security/selinux/include/av_permissions.h
@@ -79,6 +79,7 @@
#define DIR__REPARENT 0x00080000UL
#define DIR__SEARCH 0x00100000UL
#define DIR__RMDIR 0x00200000UL
+#define DIR__OPEN 0x00400000UL
#define FILE__IOCTL 0x00000001UL
#define FILE__READ 0x00000002UL
#define FILE__WRITE 0x00000004UL
@@ -99,6 +100,7 @@
#define FILE__EXECUTE_NO_TRANS 0x00020000UL
#define FILE__ENTRYPOINT 0x00040000UL
#define FILE__EXECMOD 0x00080000UL
+#define FILE__OPEN 0x00100000UL
#define LNK_FILE__IOCTL 0x00000001UL
#define LNK_FILE__READ 0x00000002UL
#define LNK_FILE__WRITE 0x00000004UL
@@ -136,6 +138,7 @@
#define CHR_FILE__EXECUTE_NO_TRANS 0x00020000UL
#define CHR_FILE__ENTRYPOINT 0x00040000UL
#define CHR_FILE__EXECMOD 0x00080000UL
+#define CHR_FILE__OPEN 0x00100000UL
#define BLK_FILE__IOCTL 0x00000001UL
#define BLK_FILE__READ 0x00000002UL
#define BLK_FILE__WRITE 0x00000004UL
@@ -153,6 +156,7 @@
#define BLK_FILE__SWAPON 0x00004000UL
#define BLK_FILE__QUOTAON 0x00008000UL
#define BLK_FILE__MOUNTON 0x00010000UL
+#define BLK_FILE__OPEN 0x00020000UL
#define SOCK_FILE__IOCTL 0x00000001UL
#define SOCK_FILE__READ 0x00000002UL
#define SOCK_FILE__WRITE 0x00000004UL
@@ -187,6 +191,7 @@
#define FIFO_FILE__SWAPON 0x00004000UL
#define FIFO_FILE__QUOTAON 0x00008000UL
#define FIFO_FILE__MOUNTON 0x00010000UL
+#define FIFO_FILE__OPEN 0x00020000UL
#define FD__USE 0x00000001UL
#define SOCKET__IOCTL 0x00000001UL
#define SOCKET__READ 0x00000002UL
diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h
index 00a2809c8506..9a9e7cd9a379 100644
--- a/security/selinux/include/netlabel.h
+++ b/security/selinux/include/netlabel.h
@@ -41,10 +41,6 @@ void selinux_netlbl_cache_invalidate(void);
void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec,
int family);
-void selinux_netlbl_sk_security_init(struct sk_security_struct *ssec,
- int family);
-void selinux_netlbl_sk_security_clone(struct sk_security_struct *ssec,
- struct sk_security_struct *newssec);
int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
u16 family,
@@ -73,18 +69,6 @@ static inline void selinux_netlbl_sk_security_reset(
{
return;
}
-static inline void selinux_netlbl_sk_security_init(
- struct sk_security_struct *ssec,
- int family)
-{
- return;
-}
-static inline void selinux_netlbl_sk_security_clone(
- struct sk_security_struct *ssec,
- struct sk_security_struct *newssec)
-{
- return;
-}
static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
u16 family,
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index c6c2bb4ebacc..020a8754b809 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -28,7 +28,6 @@
#include "avc.h"
struct task_security_struct {
- struct task_struct *task; /* back pointer to task object */
u32 osid; /* SID prior to last execve */
u32 sid; /* current SID */
u32 exec_sid; /* exec SID */
@@ -50,7 +49,6 @@ struct inode_security_struct {
};
struct file_security_struct {
- struct file *file; /* back pointer to file object */
u32 sid; /* SID of open file description */
u32 fown_sid; /* SID of file owner (for SIGIO) */
u32 isid; /* SID of inode at the time of file open */
@@ -73,18 +71,15 @@ struct superblock_security_struct {
};
struct msg_security_struct {
- struct msg_msg *msg; /* back pointer */
u32 sid; /* SID of message */
};
struct ipc_security_struct {
- struct kern_ipc_perm *ipc_perm; /* back pointer */
u16 sclass; /* security class of this object */
u32 sid; /* SID of IPC resource */
};
struct bprm_security_struct {
- struct linux_binprm *bprm; /* back pointer to bprm object */
u32 sid; /* SID for transformed process */
unsigned char set;
@@ -110,7 +105,6 @@ struct netnode_security_struct {
};
struct sk_security_struct {
- struct sock *sk; /* back pointer to sk object */
u32 sid; /* SID of this object */
u32 peer_sid; /* SID of peer */
u16 sclass; /* sock security class */
@@ -120,12 +114,10 @@ struct sk_security_struct {
NLBL_REQUIRE,
NLBL_LABELED,
} nlbl_state;
- spinlock_t nlbl_lock; /* protects nlbl_state */
#endif
};
struct key_security_struct {
- struct key *obj; /* back pointer */
u32 sid; /* SID of key */
};
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index f7d2f03781f2..264a17439bbe 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -48,11 +48,13 @@ extern int selinux_mls_enabled;
/* Policy capabilities */
enum {
POLICYDB_CAPABILITY_NETPEER,
+ POLICYDB_CAPABILITY_OPENPERM,
__POLICYDB_CAPABILITY_MAX
};
#define POLICYDB_CAPABILITY_MAX (__POLICYDB_CAPABILITY_MAX - 1)
extern int selinux_policycap_netpeer;
+extern int selinux_policycap_openperm;
int security_load_policy(void * data, size_t len);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 00:13:46 +0000