summaryrefslogtreecommitdiffstats
path: root/security/selinux/include
diff options
context:
space:
mode:
Diffstat (limited to 'security/selinux/include')
-rw-r--r--security/selinux/include/audit.h60
-rw-r--r--security/selinux/include/avc.h188
-rw-r--r--security/selinux/include/avc_ss.h24
-rw-r--r--security/selinux/include/classmap.h264
-rw-r--r--security/selinux/include/conditional.h23
-rw-r--r--security/selinux/include/ibpkey.h34
-rw-r--r--security/selinux/include/ima.h30
-rw-r--r--security/selinux/include/initial_sid_to_string.h32
-rw-r--r--security/selinux/include/netif.h24
-rw-r--r--security/selinux/include/netlabel.h150
-rw-r--r--security/selinux/include/netnode.h26
-rw-r--r--security/selinux/include/netport.h25
-rw-r--r--security/selinux/include/objsec.h197
-rw-r--r--security/selinux/include/policycap.h21
-rw-r--r--security/selinux/include/policycap_names.h19
-rw-r--r--security/selinux/include/security.h467
-rw-r--r--security/selinux/include/xfrm.h94
17 files changed, 1678 insertions, 0 deletions
diff --git a/security/selinux/include/audit.h b/security/selinux/include/audit.h
new file mode 100644
index 000000000..406bceb90
--- /dev/null
+++ b/security/selinux/include/audit.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * SELinux support for the Audit LSM hooks
+ *
+ * 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>
+ */
+
+#ifndef _SELINUX_AUDIT_H
+#define _SELINUX_AUDIT_H
+
+#include <linux/audit.h>
+#include <linux/types.h>
+
+/**
+ * selinux_audit_rule_init - alloc/init an selinux audit rule structure.
+ * @field: the field this rule refers to
+ * @op: the operator 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
+ *
+ * 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);
+
+/**
+ * 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 *rule);
+
+#endif /* _SELINUX_AUDIT_H */
+
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
new file mode 100644
index 000000000..5525b94fd
--- /dev/null
+++ b/security/selinux/include/avc.h
@@ -0,0 +1,188 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Access vector cache interface for object managers.
+ *
+ * Author : Stephen Smalley, <sds@tycho.nsa.gov>
+ */
+#ifndef _SELINUX_AVC_H_
+#define _SELINUX_AVC_H_
+
+#include <linux/stddef.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/kdev_t.h>
+#include <linux/spinlock.h>
+#include <linux/init.h>
+#include <linux/audit.h>
+#include <linux/lsm_audit.h>
+#include <linux/in6.h>
+#include "flask.h"
+#include "av_permissions.h"
+#include "security.h"
+
+/*
+ * An entry in the AVC.
+ */
+struct avc_entry;
+
+struct task_struct;
+struct inode;
+struct sock;
+struct sk_buff;
+
+/*
+ * AVC statistics
+ */
+struct avc_cache_stats {
+ unsigned int lookups;
+ unsigned int misses;
+ unsigned int allocations;
+ unsigned int reclaims;
+ unsigned int frees;
+};
+
+/*
+ * We only need this data after we have decided to send an audit message.
+ */
+struct selinux_audit_data {
+ u32 ssid;
+ u32 tsid;
+ u16 tclass;
+ u32 requested;
+ u32 audited;
+ u32 denied;
+ int result;
+ struct selinux_state *state;
+} __randomize_layout;
+
+/*
+ * AVC operations
+ */
+
+void __init avc_init(void);
+
+static inline u32 avc_audit_required(u32 requested,
+ struct av_decision *avd,
+ int result,
+ u32 auditdeny,
+ u32 *deniedp)
+{
+ u32 denied, audited;
+ denied = requested & ~avd->allowed;
+ if (unlikely(denied)) {
+ audited = denied & avd->auditdeny;
+ /*
+ * auditdeny is TRICKY! Setting a bit in
+ * this field means that ANY denials should NOT be audited if
+ * the policy contains an explicit dontaudit rule for that
+ * permission. Take notice that this is unrelated to the
+ * actual permissions that were denied. As an example lets
+ * assume:
+ *
+ * denied == READ
+ * avd.auditdeny & ACCESS == 0 (not set means explicit rule)
+ * auditdeny & ACCESS == 1
+ *
+ * We will NOT audit the denial even though the denied
+ * permission was READ and the auditdeny checks were for
+ * ACCESS
+ */
+ if (auditdeny && !(auditdeny & avd->auditdeny))
+ audited = 0;
+ } else if (result)
+ audited = denied = requested;
+ else
+ audited = requested & avd->auditallow;
+ *deniedp = denied;
+ return audited;
+}
+
+int slow_avc_audit(struct selinux_state *state,
+ u32 ssid, u32 tsid, u16 tclass,
+ u32 requested, u32 audited, u32 denied, int result,
+ struct common_audit_data *a);
+
+/**
+ * avc_audit - Audit the granting or denial of permissions.
+ * @state: SELinux state
+ * @ssid: source security identifier
+ * @tsid: target security identifier
+ * @tclass: target security class
+ * @requested: requested permissions
+ * @avd: access vector decisions
+ * @result: result from avc_has_perm_noaudit
+ * @a: auxiliary audit data
+ *
+ * Audit the granting or denial of permissions in accordance
+ * with the policy. This function is typically called by
+ * avc_has_perm() after a permission check, but can also be
+ * called directly by callers who use avc_has_perm_noaudit()
+ * in order to separate the permission check from the auditing.
+ * For example, this separation is useful when the permission check must
+ * be performed under a lock, to allow the lock to be released
+ * before calling the auditing code.
+ */
+static inline int avc_audit(struct selinux_state *state,
+ u32 ssid, u32 tsid,
+ u16 tclass, u32 requested,
+ struct av_decision *avd,
+ int result,
+ struct common_audit_data *a)
+{
+ u32 audited, denied;
+ audited = avc_audit_required(requested, avd, result, 0, &denied);
+ if (likely(!audited))
+ return 0;
+ return slow_avc_audit(state, ssid, tsid, tclass,
+ requested, audited, denied, result,
+ a);
+}
+
+#define AVC_STRICT 1 /* Ignore permissive mode. */
+#define AVC_EXTENDED_PERMS 2 /* update extended permissions */
+int avc_has_perm_noaudit(struct selinux_state *state,
+ u32 ssid, u32 tsid,
+ u16 tclass, u32 requested,
+ unsigned flags,
+ struct av_decision *avd);
+
+int avc_has_perm(struct selinux_state *state,
+ u32 ssid, u32 tsid,
+ u16 tclass, u32 requested,
+ struct common_audit_data *auditdata);
+
+int avc_has_extended_perms(struct selinux_state *state,
+ u32 ssid, u32 tsid, u16 tclass, u32 requested,
+ u8 driver, u8 perm, struct common_audit_data *ad);
+
+
+u32 avc_policy_seqno(struct selinux_state *state);
+
+#define AVC_CALLBACK_GRANT 1
+#define AVC_CALLBACK_TRY_REVOKE 2
+#define AVC_CALLBACK_REVOKE 4
+#define AVC_CALLBACK_RESET 8
+#define AVC_CALLBACK_AUDITALLOW_ENABLE 16
+#define AVC_CALLBACK_AUDITALLOW_DISABLE 32
+#define AVC_CALLBACK_AUDITDENY_ENABLE 64
+#define AVC_CALLBACK_AUDITDENY_DISABLE 128
+#define AVC_CALLBACK_ADD_XPERMS 256
+
+int avc_add_callback(int (*callback)(u32 event), u32 events);
+
+/* Exported to selinuxfs */
+struct selinux_avc;
+int avc_get_hash_stats(struct selinux_avc *avc, char *page);
+unsigned int avc_get_cache_threshold(struct selinux_avc *avc);
+void avc_set_cache_threshold(struct selinux_avc *avc,
+ unsigned int 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
+
+#endif /* _SELINUX_AVC_H_ */
+
diff --git a/security/selinux/include/avc_ss.h b/security/selinux/include/avc_ss.h
new file mode 100644
index 000000000..42912c917
--- /dev/null
+++ b/security/selinux/include/avc_ss.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Access vector cache interface for the security server.
+ *
+ * Author : Stephen Smalley, <sds@tycho.nsa.gov>
+ */
+#ifndef _SELINUX_AVC_SS_H_
+#define _SELINUX_AVC_SS_H_
+
+#include <linux/types.h>
+
+struct selinux_avc;
+int avc_ss_reset(struct selinux_avc *avc, u32 seqno);
+
+/* Class/perm mapping support */
+struct security_class_mapping {
+ const char *name;
+ const char *perms[sizeof(u32) * 8 + 1];
+};
+
+extern const struct security_class_mapping secclass_map[];
+
+#endif /* _SELINUX_AVC_SS_H_ */
+
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
new file mode 100644
index 000000000..a3c380775
--- /dev/null
+++ b/security/selinux/include/classmap.h
@@ -0,0 +1,264 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/capability.h>
+#include <linux/socket.h>
+
+#define COMMON_FILE_SOCK_PERMS "ioctl", "read", "write", "create", \
+ "getattr", "setattr", "lock", "relabelfrom", "relabelto", "append", "map"
+
+#define COMMON_FILE_PERMS COMMON_FILE_SOCK_PERMS, "unlink", "link", \
+ "rename", "execute", "quotaon", "mounton", "audit_access", \
+ "open", "execmod", "watch", "watch_mount", "watch_sb", \
+ "watch_with_perm", "watch_reads"
+
+#define COMMON_SOCK_PERMS COMMON_FILE_SOCK_PERMS, "bind", "connect", \
+ "listen", "accept", "getopt", "setopt", "shutdown", "recvfrom", \
+ "sendto", "name_bind"
+
+#define COMMON_IPC_PERMS "create", "destroy", "getattr", "setattr", "read", \
+ "write", "associate", "unix_read", "unix_write"
+
+#define COMMON_CAP_PERMS "chown", "dac_override", "dac_read_search", \
+ "fowner", "fsetid", "kill", "setgid", "setuid", "setpcap", \
+ "linux_immutable", "net_bind_service", "net_broadcast", \
+ "net_admin", "net_raw", "ipc_lock", "ipc_owner", "sys_module", \
+ "sys_rawio", "sys_chroot", "sys_ptrace", "sys_pacct", "sys_admin", \
+ "sys_boot", "sys_nice", "sys_resource", "sys_time", \
+ "sys_tty_config", "mknod", "lease", "audit_write", \
+ "audit_control", "setfcap"
+
+#define COMMON_CAP2_PERMS "mac_override", "mac_admin", "syslog", \
+ "wake_alarm", "block_suspend", "audit_read", "perfmon", "bpf", \
+ "checkpoint_restore"
+
+#if CAP_LAST_CAP > CAP_CHECKPOINT_RESTORE
+#error New capability defined, please update COMMON_CAP2_PERMS.
+#endif
+
+/*
+ * Note: The name for any socket class should be suffixed by "socket",
+ * and doesn't contain more than one substr of "socket".
+ */
+const struct security_class_mapping secclass_map[] = {
+ { "security",
+ { "compute_av", "compute_create", "compute_member",
+ "check_context", "load_policy", "compute_relabel",
+ "compute_user", "setenforce", "setbool", "setsecparam",
+ "setcheckreqprot", "read_policy", "validate_trans", NULL } },
+ { "process",
+ { "fork", "transition", "sigchld", "sigkill",
+ "sigstop", "signull", "signal", "ptrace", "getsched", "setsched",
+ "getsession", "getpgid", "setpgid", "getcap", "setcap", "share",
+ "getattr", "setexec", "setfscreate", "noatsecure", "siginh",
+ "setrlimit", "rlimitinh", "dyntransition", "setcurrent",
+ "execmem", "execstack", "execheap", "setkeycreate",
+ "setsockcreate", "getrlimit", NULL } },
+ { "process2",
+ { "nnp_transition", "nosuid_transition", NULL } },
+ { "system",
+ { "ipc_info", "syslog_read", "syslog_mod",
+ "syslog_console", "module_request", "module_load", NULL } },
+ { "capability",
+ { COMMON_CAP_PERMS, NULL } },
+ { "filesystem",
+ { "mount", "remount", "unmount", "getattr",
+ "relabelfrom", "relabelto", "associate", "quotamod",
+ "quotaget", "watch", NULL } },
+ { "file",
+ { COMMON_FILE_PERMS,
+ "execute_no_trans", "entrypoint", NULL } },
+ { "dir",
+ { COMMON_FILE_PERMS, "add_name", "remove_name",
+ "reparent", "search", "rmdir", NULL } },
+ { "fd", { "use", NULL } },
+ { "lnk_file",
+ { COMMON_FILE_PERMS, NULL } },
+ { "chr_file",
+ { COMMON_FILE_PERMS, NULL } },
+ { "blk_file",
+ { COMMON_FILE_PERMS, NULL } },
+ { "sock_file",
+ { COMMON_FILE_PERMS, NULL } },
+ { "fifo_file",
+ { COMMON_FILE_PERMS, NULL } },
+ { "socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "tcp_socket",
+ { COMMON_SOCK_PERMS,
+ "node_bind", "name_connect",
+ NULL } },
+ { "udp_socket",
+ { COMMON_SOCK_PERMS,
+ "node_bind", NULL } },
+ { "rawip_socket",
+ { COMMON_SOCK_PERMS,
+ "node_bind", NULL } },
+ { "node",
+ { "recvfrom", "sendto", NULL } },
+ { "netif",
+ { "ingress", "egress", NULL } },
+ { "netlink_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "packet_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "key_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "unix_stream_socket",
+ { COMMON_SOCK_PERMS, "connectto", NULL } },
+ { "unix_dgram_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "sem",
+ { COMMON_IPC_PERMS, NULL } },
+ { "msg", { "send", "receive", NULL } },
+ { "msgq",
+ { COMMON_IPC_PERMS, "enqueue", NULL } },
+ { "shm",
+ { COMMON_IPC_PERMS, "lock", NULL } },
+ { "ipc",
+ { COMMON_IPC_PERMS, NULL } },
+ { "netlink_route_socket",
+ { COMMON_SOCK_PERMS,
+ "nlmsg_read", "nlmsg_write", NULL } },
+ { "netlink_tcpdiag_socket",
+ { COMMON_SOCK_PERMS,
+ "nlmsg_read", "nlmsg_write", NULL } },
+ { "netlink_nflog_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_xfrm_socket",
+ { COMMON_SOCK_PERMS,
+ "nlmsg_read", "nlmsg_write", NULL } },
+ { "netlink_selinux_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_iscsi_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_audit_socket",
+ { COMMON_SOCK_PERMS,
+ "nlmsg_read", "nlmsg_write", "nlmsg_relay", "nlmsg_readpriv",
+ "nlmsg_tty_audit", NULL } },
+ { "netlink_fib_lookup_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_connector_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_netfilter_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_dnrt_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "association",
+ { "sendto", "recvfrom", "setcontext", "polmatch", NULL } },
+ { "netlink_kobject_uevent_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_generic_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_scsitransport_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_rdma_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netlink_crypto_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "appletalk_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "packet",
+ { "send", "recv", "relabelto", "forward_in", "forward_out", NULL } },
+ { "key",
+ { "view", "read", "write", "search", "link", "setattr", "create",
+ NULL } },
+ { "dccp_socket",
+ { COMMON_SOCK_PERMS,
+ "node_bind", "name_connect", NULL } },
+ { "memprotect", { "mmap_zero", NULL } },
+ { "peer", { "recv", NULL } },
+ { "capability2",
+ { COMMON_CAP2_PERMS, NULL } },
+ { "kernel_service", { "use_as_override", "create_files_as", NULL } },
+ { "tun_socket",
+ { COMMON_SOCK_PERMS, "attach_queue", NULL } },
+ { "binder", { "impersonate", "call", "set_context_mgr", "transfer",
+ NULL } },
+ { "cap_userns",
+ { COMMON_CAP_PERMS, NULL } },
+ { "cap2_userns",
+ { COMMON_CAP2_PERMS, NULL } },
+ { "sctp_socket",
+ { COMMON_SOCK_PERMS,
+ "node_bind", "name_connect", "association", NULL } },
+ { "icmp_socket",
+ { COMMON_SOCK_PERMS,
+ "node_bind", NULL } },
+ { "ax25_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "ipx_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "netrom_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "atmpvc_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "x25_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "rose_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "decnet_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "atmsvc_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "rds_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "irda_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "pppox_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "llc_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "can_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "tipc_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "bluetooth_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "iucv_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "rxrpc_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "isdn_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "phonet_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "ieee802154_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "caif_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "alg_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "nfc_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "vsock_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "kcm_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "qipcrtr_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "smc_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "infiniband_pkey",
+ { "access", NULL } },
+ { "infiniband_endport",
+ { "manage_subnet", NULL } },
+ { "bpf",
+ { "map_create", "map_read", "map_write", "prog_load", "prog_run",
+ NULL } },
+ { "xdp_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "mctp_socket",
+ { COMMON_SOCK_PERMS, NULL } },
+ { "perf_event",
+ { "open", "cpu", "kernel", "tracepoint", "read", "write", NULL } },
+ { "anon_inode",
+ { COMMON_FILE_PERMS, NULL } },
+ { "io_uring",
+ { "override_creds", "sqpoll", "cmd", NULL } },
+ { "user_namespace",
+ { "create", NULL } },
+ { NULL }
+ };
+
+#if PF_MAX > 46
+#error New address family defined, please update secclass_map.
+#endif
diff --git a/security/selinux/include/conditional.h b/security/selinux/include/conditional.h
new file mode 100644
index 000000000..b09343346
--- /dev/null
+++ b/security/selinux/include/conditional.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Interface to booleans in the security server. This is exported
+ * for the selinuxfs.
+ *
+ * Author: Karl MacMillan <kmacmillan@tresys.com>
+ *
+ * Copyright (C) 2003 - 2004 Tresys Technology, LLC
+ */
+
+#ifndef _SELINUX_CONDITIONAL_H_
+#define _SELINUX_CONDITIONAL_H_
+
+#include "security.h"
+
+int security_get_bools(struct selinux_policy *policy,
+ u32 *len, char ***names, int **values);
+
+int security_set_bools(struct selinux_state *state, u32 len, int *values);
+
+int security_get_bool_value(struct selinux_state *state, u32 index);
+
+#endif
diff --git a/security/selinux/include/ibpkey.h b/security/selinux/include/ibpkey.h
new file mode 100644
index 000000000..c992f83b0
--- /dev/null
+++ b/security/selinux/include/ibpkey.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * pkey table
+ *
+ * SELinux must keep a mapping of pkeys to labels/SIDs. This
+ * mapping is maintained as part of the normal policy but a fast cache is
+ * needed to reduce the lookup overhead.
+ */
+
+/*
+ * (c) Mellanox Technologies, 2016
+ */
+
+#ifndef _SELINUX_IB_PKEY_H
+#define _SELINUX_IB_PKEY_H
+
+#include <linux/types.h>
+
+#ifdef CONFIG_SECURITY_INFINIBAND
+void sel_ib_pkey_flush(void);
+int sel_ib_pkey_sid(u64 subnet_prefix, u16 pkey, u32 *sid);
+#else
+static inline void sel_ib_pkey_flush(void)
+{
+ return;
+}
+static inline int sel_ib_pkey_sid(u64 subnet_prefix, u16 pkey, u32 *sid)
+{
+ *sid = SECINITSID_UNLABELED;
+ return 0;
+}
+#endif
+
+#endif
diff --git a/security/selinux/include/ima.h b/security/selinux/include/ima.h
new file mode 100644
index 000000000..75ca92b4a
--- /dev/null
+++ b/security/selinux/include/ima.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2021 Microsoft Corporation
+ *
+ * Author: Lakshmi Ramasubramanian (nramas@linux.microsoft.com)
+ *
+ * Measure critical data structures maintainted by SELinux
+ * using IMA subsystem.
+ */
+
+#ifndef _SELINUX_IMA_H_
+#define _SELINUX_IMA_H_
+
+#include "security.h"
+
+#ifdef CONFIG_IMA
+extern void selinux_ima_measure_state(struct selinux_state *selinux_state);
+extern void selinux_ima_measure_state_locked(
+ struct selinux_state *selinux_state);
+#else
+static inline void selinux_ima_measure_state(struct selinux_state *selinux_state)
+{
+}
+static inline void selinux_ima_measure_state_locked(
+ struct selinux_state *selinux_state)
+{
+}
+#endif
+
+#endif /* _SELINUX_IMA_H_ */
diff --git a/security/selinux/include/initial_sid_to_string.h b/security/selinux/include/initial_sid_to_string.h
new file mode 100644
index 000000000..60820517a
--- /dev/null
+++ b/security/selinux/include/initial_sid_to_string.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+static const char *const initial_sid_to_string[] = {
+ NULL,
+ "kernel",
+ "security",
+ "unlabeled",
+ NULL,
+ "file",
+ NULL,
+ NULL,
+ "any_socket",
+ "port",
+ "netif",
+ "netmsg",
+ "node",
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ "devnull",
+};
+
diff --git a/security/selinux/include/netif.h b/security/selinux/include/netif.h
new file mode 100644
index 000000000..85ec30d11
--- /dev/null
+++ b/security/selinux/include/netif.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Network interface table.
+ *
+ * Network interfaces (devices) do not have a security field, so we
+ * maintain a table associating each interface with a SID.
+ *
+ * Author: James Morris <jmorris@redhat.com>
+ *
+ * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ * Copyright (C) 2007 Hewlett-Packard Development Company, L.P.
+ * Paul Moore <paul@paul-moore.com>
+ */
+#ifndef _SELINUX_NETIF_H_
+#define _SELINUX_NETIF_H_
+
+#include <net/net_namespace.h>
+
+void sel_netif_flush(void);
+
+int sel_netif_sid(struct net *ns, int ifindex, u32 *sid);
+
+#endif /* _SELINUX_NETIF_H_ */
+
diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h
new file mode 100644
index 000000000..4d0456d3d
--- /dev/null
+++ b/security/selinux/include/netlabel.h
@@ -0,0 +1,150 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * SELinux interface to the NetLabel subsystem
+ *
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
+ */
+
+#ifndef _SELINUX_NETLABEL_H_
+#define _SELINUX_NETLABEL_H_
+
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/net.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <net/request_sock.h>
+#include <net/sctp/structs.h>
+
+#include "avc.h"
+#include "objsec.h"
+
+#ifdef CONFIG_NETLABEL
+void selinux_netlbl_cache_invalidate(void);
+
+void selinux_netlbl_err(struct sk_buff *skb, u16 family, int error,
+ int gateway);
+
+void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec);
+void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec);
+
+int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
+ u16 family,
+ u32 *type,
+ u32 *sid);
+int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
+ u16 family,
+ u32 sid);
+int selinux_netlbl_sctp_assoc_request(struct sctp_association *asoc,
+ struct sk_buff *skb);
+int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
+void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
+void selinux_netlbl_sctp_sk_clone(struct sock *sk, struct sock *newsk);
+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 common_audit_data *ad);
+int selinux_netlbl_socket_setsockopt(struct socket *sock,
+ int level,
+ int optname);
+int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
+int selinux_netlbl_socket_connect_locked(struct sock *sk,
+ struct sockaddr *addr);
+
+#else
+static inline void selinux_netlbl_cache_invalidate(void)
+{
+ return;
+}
+
+static inline void selinux_netlbl_err(struct sk_buff *skb,
+ u16 family,
+ int error,
+ int gateway)
+{
+ return;
+}
+
+static inline void selinux_netlbl_sk_security_free(
+ struct sk_security_struct *sksec)
+{
+ return;
+}
+
+static inline void selinux_netlbl_sk_security_reset(
+ struct sk_security_struct *sksec)
+{
+ return;
+}
+
+static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
+ u16 family,
+ u32 *type,
+ u32 *sid)
+{
+ *type = NETLBL_NLTYPE_NONE;
+ *sid = SECSID_NULL;
+ return 0;
+}
+static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
+ u16 family,
+ u32 sid)
+{
+ return 0;
+}
+
+static inline int selinux_netlbl_sctp_assoc_request(struct sctp_association *asoc,
+ struct sk_buff *skb)
+{
+ return 0;
+}
+static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
+ u16 family)
+{
+ return 0;
+}
+static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
+{
+ return;
+}
+static inline void selinux_netlbl_sctp_sk_clone(struct sock *sk,
+ struct sock *newsk)
+{
+ return;
+}
+static inline int selinux_netlbl_socket_post_create(struct sock *sk,
+ u16 family)
+{
+ return 0;
+}
+static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
+ struct sk_buff *skb,
+ u16 family,
+ struct common_audit_data *ad)
+{
+ return 0;
+}
+static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
+ int level,
+ int optname)
+{
+ return 0;
+}
+static inline int selinux_netlbl_socket_connect(struct sock *sk,
+ struct sockaddr *addr)
+{
+ return 0;
+}
+static inline int selinux_netlbl_socket_connect_locked(struct sock *sk,
+ struct sockaddr *addr)
+{
+ return 0;
+}
+#endif /* CONFIG_NETLABEL */
+
+#endif
diff --git a/security/selinux/include/netnode.h b/security/selinux/include/netnode.h
new file mode 100644
index 000000000..9b8b655a8
--- /dev/null
+++ b/security/selinux/include/netnode.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Network node table
+ *
+ * SELinux must keep a mapping of network nodes to labels/SIDs. This
+ * mapping is maintained as part of the normal policy but a fast cache is
+ * needed to reduce the lookup overhead since most of these queries happen on
+ * a per-packet basis.
+ *
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * (c) Copyright Hewlett-Packard Development Company, L.P., 2007
+ */
+
+#ifndef _SELINUX_NETNODE_H
+#define _SELINUX_NETNODE_H
+
+#include <linux/types.h>
+
+void sel_netnode_flush(void);
+
+int sel_netnode_sid(void *addr, u16 family, u32 *sid);
+
+#endif
diff --git a/security/selinux/include/netport.h b/security/selinux/include/netport.h
new file mode 100644
index 000000000..9096a8289
--- /dev/null
+++ b/security/selinux/include/netport.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Network port table
+ *
+ * SELinux must keep a mapping of network ports to labels/SIDs. This
+ * mapping is maintained as part of the normal policy but a fast cache is
+ * needed to reduce the lookup overhead.
+ *
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * (c) Copyright Hewlett-Packard Development Company, L.P., 2008
+ */
+
+#ifndef _SELINUX_NETPORT_H
+#define _SELINUX_NETPORT_H
+
+#include <linux/types.h>
+
+void sel_netport_flush(void);
+
+int sel_netport_sid(u8 protocol, u16 pnum, u32 *sid);
+
+#endif
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
new file mode 100644
index 000000000..295313240
--- /dev/null
+++ b/security/selinux/include/objsec.h
@@ -0,0 +1,197 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * NSA Security-Enhanced Linux (SELinux) security module
+ *
+ * This file contains the SELinux security data structures for kernel objects.
+ *
+ * Author(s): Stephen Smalley, <sds@tycho.nsa.gov>
+ * Chris Vance, <cvance@nai.com>
+ * Wayne Salamon, <wsalamon@nai.com>
+ * James Morris <jmorris@redhat.com>
+ *
+ * Copyright (C) 2001,2002 Networks Associates Technology, Inc.
+ * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ * Copyright (C) 2016 Mellanox Technologies
+ */
+#ifndef _SELINUX_OBJSEC_H_
+#define _SELINUX_OBJSEC_H_
+
+#include <linux/list.h>
+#include <linux/sched.h>
+#include <linux/fs.h>
+#include <linux/binfmts.h>
+#include <linux/in.h>
+#include <linux/spinlock.h>
+#include <linux/lsm_hooks.h>
+#include <linux/msg.h>
+#include <net/net_namespace.h>
+#include "flask.h"
+#include "avc.h"
+
+struct task_security_struct {
+ u32 osid; /* SID prior to last execve */
+ u32 sid; /* current SID */
+ u32 exec_sid; /* exec SID */
+ u32 create_sid; /* fscreate SID */
+ u32 keycreate_sid; /* keycreate SID */
+ u32 sockcreate_sid; /* fscreate SID */
+} __randomize_layout;
+
+enum label_initialized {
+ LABEL_INVALID, /* invalid or not initialized */
+ LABEL_INITIALIZED, /* initialized */
+ LABEL_PENDING
+};
+
+struct inode_security_struct {
+ struct inode *inode; /* back pointer to inode object */
+ struct list_head list; /* list of inode_security_struct */
+ u32 task_sid; /* SID of creating task */
+ u32 sid; /* SID of this object */
+ u16 sclass; /* security class of this object */
+ unsigned char initialized; /* initialization flag */
+ spinlock_t lock;
+};
+
+struct file_security_struct {
+ 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 */
+ u32 pseqno; /* Policy seqno at the time of file open */
+};
+
+struct superblock_security_struct {
+ u32 sid; /* SID of file system superblock */
+ u32 def_sid; /* default SID for labeling */
+ u32 mntpoint_sid; /* SECURITY_FS_USE_MNTPOINT context for files */
+ unsigned short behavior; /* labeling behavior */
+ unsigned short flags; /* which mount options were specified */
+ struct mutex lock;
+ struct list_head isec_head;
+ spinlock_t isec_lock;
+};
+
+struct msg_security_struct {
+ u32 sid; /* SID of message */
+};
+
+struct ipc_security_struct {
+ u16 sclass; /* security class of this object */
+ u32 sid; /* SID of IPC resource */
+};
+
+struct netif_security_struct {
+ struct net *ns; /* network namespace */
+ int ifindex; /* device index */
+ u32 sid; /* SID for this interface */
+};
+
+struct netnode_security_struct {
+ union {
+ __be32 ipv4; /* IPv4 node address */
+ struct in6_addr ipv6; /* IPv6 node address */
+ } addr;
+ u32 sid; /* SID for this node */
+ u16 family; /* address family */
+};
+
+struct netport_security_struct {
+ u32 sid; /* SID for this node */
+ u16 port; /* port number */
+ u8 protocol; /* transport protocol */
+};
+
+struct sk_security_struct {
+#ifdef CONFIG_NETLABEL
+ enum { /* NetLabel state */
+ NLBL_UNSET = 0,
+ NLBL_REQUIRE,
+ NLBL_LABELED,
+ NLBL_REQSKB,
+ NLBL_CONNLABELED,
+ } nlbl_state;
+ struct netlbl_lsm_secattr *nlbl_secattr; /* NetLabel sec attributes */
+#endif
+ u32 sid; /* SID of this object */
+ u32 peer_sid; /* SID of peer */
+ u16 sclass; /* sock security class */
+ enum { /* SCTP association state */
+ SCTP_ASSOC_UNSET = 0,
+ SCTP_ASSOC_SET,
+ } sctp_assoc_state;
+};
+
+struct tun_security_struct {
+ u32 sid; /* SID for the tun device sockets */
+};
+
+struct key_security_struct {
+ u32 sid; /* SID of key */
+};
+
+struct ib_security_struct {
+ u32 sid; /* SID of the queue pair or MAD agent */
+};
+
+struct pkey_security_struct {
+ u64 subnet_prefix; /* Port subnet prefix */
+ u16 pkey; /* PKey number */
+ u32 sid; /* SID of pkey */
+};
+
+struct bpf_security_struct {
+ u32 sid; /* SID of bpf obj creator */
+};
+
+struct perf_event_security_struct {
+ u32 sid; /* SID of perf_event obj creator */
+};
+
+extern struct lsm_blob_sizes selinux_blob_sizes;
+static inline struct task_security_struct *selinux_cred(const struct cred *cred)
+{
+ return cred->security + selinux_blob_sizes.lbs_cred;
+}
+
+static inline struct file_security_struct *selinux_file(const struct file *file)
+{
+ return file->f_security + selinux_blob_sizes.lbs_file;
+}
+
+static inline struct inode_security_struct *selinux_inode(
+ const struct inode *inode)
+{
+ if (unlikely(!inode->i_security))
+ return NULL;
+ return inode->i_security + selinux_blob_sizes.lbs_inode;
+}
+
+static inline struct msg_security_struct *selinux_msg_msg(
+ const struct msg_msg *msg_msg)
+{
+ return msg_msg->security + selinux_blob_sizes.lbs_msg_msg;
+}
+
+static inline struct ipc_security_struct *selinux_ipc(
+ const struct kern_ipc_perm *ipc)
+{
+ return ipc->security + selinux_blob_sizes.lbs_ipc;
+}
+
+/*
+ * get the subjective security ID of the current task
+ */
+static inline u32 current_sid(void)
+{
+ const struct task_security_struct *tsec = selinux_cred(current_cred());
+
+ return tsec->sid;
+}
+
+static inline struct superblock_security_struct *selinux_superblock(
+ const struct super_block *superblock)
+{
+ return superblock->s_security + selinux_blob_sizes.lbs_superblock;
+}
+
+#endif /* _SELINUX_OBJSEC_H_ */
diff --git a/security/selinux/include/policycap.h b/security/selinux/include/policycap.h
new file mode 100644
index 000000000..f35d3458e
--- /dev/null
+++ b/security/selinux/include/policycap.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SELINUX_POLICYCAP_H_
+#define _SELINUX_POLICYCAP_H_
+
+/* Policy capabilities */
+enum {
+ POLICYDB_CAP_NETPEER,
+ POLICYDB_CAP_OPENPERM,
+ POLICYDB_CAP_EXTSOCKCLASS,
+ POLICYDB_CAP_ALWAYSNETWORK,
+ POLICYDB_CAP_CGROUPSECLABEL,
+ POLICYDB_CAP_NNP_NOSUID_TRANSITION,
+ POLICYDB_CAP_GENFS_SECLABEL_SYMLINKS,
+ POLICYDB_CAP_IOCTL_SKIP_CLOEXEC,
+ __POLICYDB_CAP_MAX
+};
+#define POLICYDB_CAP_MAX (__POLICYDB_CAP_MAX - 1)
+
+extern const char *const selinux_policycap_names[__POLICYDB_CAP_MAX];
+
+#endif /* _SELINUX_POLICYCAP_H_ */
diff --git a/security/selinux/include/policycap_names.h b/security/selinux/include/policycap_names.h
new file mode 100644
index 000000000..2a87fc370
--- /dev/null
+++ b/security/selinux/include/policycap_names.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SELINUX_POLICYCAP_NAMES_H_
+#define _SELINUX_POLICYCAP_NAMES_H_
+
+#include "policycap.h"
+
+/* Policy capability names */
+const char *const selinux_policycap_names[__POLICYDB_CAP_MAX] = {
+ "network_peer_controls",
+ "open_perms",
+ "extended_socket_class",
+ "always_check_network",
+ "cgroup_seclabel",
+ "nnp_nosuid_transition",
+ "genfs_seclabel_symlinks",
+ "ioctl_skip_cloexec"
+};
+
+#endif /* _SELINUX_POLICYCAP_NAMES_H_ */
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
new file mode 100644
index 000000000..393aff41d
--- /dev/null
+++ b/security/selinux/include/security.h
@@ -0,0 +1,467 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Security server interface.
+ *
+ * Author : Stephen Smalley, <sds@tycho.nsa.gov>
+ *
+ */
+
+#ifndef _SELINUX_SECURITY_H_
+#define _SELINUX_SECURITY_H_
+
+#include <linux/compiler.h>
+#include <linux/dcache.h>
+#include <linux/magic.h>
+#include <linux/types.h>
+#include <linux/rcupdate.h>
+#include <linux/refcount.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+#include <linux/printk.h>
+#include "flask.h"
+#include "policycap.h"
+
+#define SECSID_NULL 0x00000000 /* unspecified SID */
+#define SECSID_WILD 0xffffffff /* wildcard SID */
+#define SECCLASS_NULL 0x0000 /* no class */
+
+/* Identify specific policy version changes */
+#define POLICYDB_VERSION_BASE 15
+#define POLICYDB_VERSION_BOOL 16
+#define POLICYDB_VERSION_IPV6 17
+#define POLICYDB_VERSION_NLCLASS 18
+#define POLICYDB_VERSION_VALIDATETRANS 19
+#define POLICYDB_VERSION_MLS 19
+#define POLICYDB_VERSION_AVTAB 20
+#define POLICYDB_VERSION_RANGETRANS 21
+#define POLICYDB_VERSION_POLCAP 22
+#define POLICYDB_VERSION_PERMISSIVE 23
+#define POLICYDB_VERSION_BOUNDARY 24
+#define POLICYDB_VERSION_FILENAME_TRANS 25
+#define POLICYDB_VERSION_ROLETRANS 26
+#define POLICYDB_VERSION_NEW_OBJECT_DEFAULTS 27
+#define POLICYDB_VERSION_DEFAULT_TYPE 28
+#define POLICYDB_VERSION_CONSTRAINT_NAMES 29
+#define POLICYDB_VERSION_XPERMS_IOCTL 30
+#define POLICYDB_VERSION_INFINIBAND 31
+#define POLICYDB_VERSION_GLBLUB 32
+#define POLICYDB_VERSION_COMP_FTRANS 33 /* compressed filename transitions */
+
+/* Range of policy versions we understand*/
+#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
+#define POLICYDB_VERSION_MAX POLICYDB_VERSION_COMP_FTRANS
+
+/* Mask for just the mount related flags */
+#define SE_MNTMASK 0x0f
+/* Super block security struct flags for mount options */
+/* BE CAREFUL, these need to be the low order bits for selinux_get_mnt_opts */
+#define CONTEXT_MNT 0x01
+#define FSCONTEXT_MNT 0x02
+#define ROOTCONTEXT_MNT 0x04
+#define DEFCONTEXT_MNT 0x08
+#define SBLABEL_MNT 0x10
+/* Non-mount related flags */
+#define SE_SBINITIALIZED 0x0100
+#define SE_SBPROC 0x0200
+#define SE_SBGENFS 0x0400
+#define SE_SBGENFS_XATTR 0x0800
+
+#define CONTEXT_STR "context"
+#define FSCONTEXT_STR "fscontext"
+#define ROOTCONTEXT_STR "rootcontext"
+#define DEFCONTEXT_STR "defcontext"
+#define SECLABEL_STR "seclabel"
+
+struct netlbl_lsm_secattr;
+
+extern int selinux_enabled_boot;
+
+/*
+ * type_datum properties
+ * available at the kernel policy version >= POLICYDB_VERSION_BOUNDARY
+ */
+#define TYPEDATUM_PROPERTY_PRIMARY 0x0001
+#define TYPEDATUM_PROPERTY_ATTRIBUTE 0x0002
+
+/* limitation of boundary depth */
+#define POLICYDB_BOUNDS_MAXDEPTH 4
+
+struct selinux_avc;
+struct selinux_policy;
+
+struct selinux_state {
+#ifdef CONFIG_SECURITY_SELINUX_DISABLE
+ bool disabled;
+#endif
+#ifdef CONFIG_SECURITY_SELINUX_DEVELOP
+ bool enforcing;
+#endif
+ bool checkreqprot;
+ bool initialized;
+ bool policycap[__POLICYDB_CAP_MAX];
+
+ struct page *status_page;
+ struct mutex status_lock;
+
+ struct selinux_avc *avc;
+ struct selinux_policy __rcu *policy;
+ struct mutex policy_mutex;
+} __randomize_layout;
+
+void selinux_avc_init(struct selinux_avc **avc);
+
+extern struct selinux_state selinux_state;
+
+static inline bool selinux_initialized(const struct selinux_state *state)
+{
+ /* do a synchronized load to avoid race conditions */
+ return smp_load_acquire(&state->initialized);
+}
+
+static inline void selinux_mark_initialized(struct selinux_state *state)
+{
+ /* do a synchronized write to avoid race conditions */
+ smp_store_release(&state->initialized, true);
+}
+
+#ifdef CONFIG_SECURITY_SELINUX_DEVELOP
+static inline bool enforcing_enabled(struct selinux_state *state)
+{
+ return READ_ONCE(state->enforcing);
+}
+
+static inline void enforcing_set(struct selinux_state *state, bool value)
+{
+ WRITE_ONCE(state->enforcing, value);
+}
+#else
+static inline bool enforcing_enabled(struct selinux_state *state)
+{
+ return true;
+}
+
+static inline void enforcing_set(struct selinux_state *state, bool value)
+{
+}
+#endif
+
+static inline bool checkreqprot_get(const struct selinux_state *state)
+{
+ return READ_ONCE(state->checkreqprot);
+}
+
+static inline void checkreqprot_set(struct selinux_state *state, bool value)
+{
+ if (value)
+ pr_err("SELinux: https://github.com/SELinuxProject/selinux-kernel/wiki/DEPRECATE-checkreqprot\n");
+ WRITE_ONCE(state->checkreqprot, value);
+}
+
+#ifdef CONFIG_SECURITY_SELINUX_DISABLE
+static inline bool selinux_disabled(struct selinux_state *state)
+{
+ return READ_ONCE(state->disabled);
+}
+
+static inline void selinux_mark_disabled(struct selinux_state *state)
+{
+ WRITE_ONCE(state->disabled, true);
+}
+#else
+static inline bool selinux_disabled(struct selinux_state *state)
+{
+ return false;
+}
+#endif
+
+static inline bool selinux_policycap_netpeer(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return READ_ONCE(state->policycap[POLICYDB_CAP_NETPEER]);
+}
+
+static inline bool selinux_policycap_openperm(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return READ_ONCE(state->policycap[POLICYDB_CAP_OPENPERM]);
+}
+
+static inline bool selinux_policycap_extsockclass(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return READ_ONCE(state->policycap[POLICYDB_CAP_EXTSOCKCLASS]);
+}
+
+static inline bool selinux_policycap_alwaysnetwork(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return READ_ONCE(state->policycap[POLICYDB_CAP_ALWAYSNETWORK]);
+}
+
+static inline bool selinux_policycap_cgroupseclabel(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return READ_ONCE(state->policycap[POLICYDB_CAP_CGROUPSECLABEL]);
+}
+
+static inline bool selinux_policycap_nnp_nosuid_transition(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return READ_ONCE(state->policycap[POLICYDB_CAP_NNP_NOSUID_TRANSITION]);
+}
+
+static inline bool selinux_policycap_genfs_seclabel_symlinks(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return READ_ONCE(state->policycap[POLICYDB_CAP_GENFS_SECLABEL_SYMLINKS]);
+}
+
+static inline bool selinux_policycap_ioctl_skip_cloexec(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return READ_ONCE(state->policycap[POLICYDB_CAP_IOCTL_SKIP_CLOEXEC]);
+}
+
+struct selinux_policy_convert_data;
+
+struct selinux_load_state {
+ struct selinux_policy *policy;
+ struct selinux_policy_convert_data *convert_data;
+};
+
+int security_mls_enabled(struct selinux_state *state);
+int security_load_policy(struct selinux_state *state,
+ void *data, size_t len,
+ struct selinux_load_state *load_state);
+void selinux_policy_commit(struct selinux_state *state,
+ struct selinux_load_state *load_state);
+void selinux_policy_cancel(struct selinux_state *state,
+ struct selinux_load_state *load_state);
+int security_read_policy(struct selinux_state *state,
+ void **data, size_t *len);
+int security_read_state_kernel(struct selinux_state *state,
+ void **data, size_t *len);
+int security_policycap_supported(struct selinux_state *state,
+ unsigned int req_cap);
+
+#define SEL_VEC_MAX 32
+struct av_decision {
+ u32 allowed;
+ u32 auditallow;
+ u32 auditdeny;
+ u32 seqno;
+ u32 flags;
+};
+
+#define XPERMS_ALLOWED 1
+#define XPERMS_AUDITALLOW 2
+#define XPERMS_DONTAUDIT 4
+
+#define security_xperm_set(perms, x) ((perms)[(x) >> 5] |= 1 << ((x) & 0x1f))
+#define security_xperm_test(perms, x) (1 & ((perms)[(x) >> 5] >> ((x) & 0x1f)))
+struct extended_perms_data {
+ u32 p[8];
+};
+
+struct extended_perms_decision {
+ u8 used;
+ u8 driver;
+ struct extended_perms_data *allowed;
+ struct extended_perms_data *auditallow;
+ struct extended_perms_data *dontaudit;
+};
+
+struct extended_perms {
+ u16 len; /* length associated decision chain */
+ struct extended_perms_data drivers; /* flag drivers that are used */
+};
+
+/* definitions of av_decision.flags */
+#define AVD_FLAGS_PERMISSIVE 0x0001
+
+void security_compute_av(struct selinux_state *state,
+ u32 ssid, u32 tsid,
+ u16 tclass, struct av_decision *avd,
+ struct extended_perms *xperms);
+
+void security_compute_xperms_decision(struct selinux_state *state,
+ u32 ssid, u32 tsid, u16 tclass,
+ u8 driver,
+ struct extended_perms_decision *xpermd);
+
+void security_compute_av_user(struct selinux_state *state,
+ u32 ssid, u32 tsid,
+ u16 tclass, struct av_decision *avd);
+
+int security_transition_sid(struct selinux_state *state,
+ u32 ssid, u32 tsid, u16 tclass,
+ const struct qstr *qstr, u32 *out_sid);
+
+int security_transition_sid_user(struct selinux_state *state,
+ u32 ssid, u32 tsid, u16 tclass,
+ const char *objname, u32 *out_sid);
+
+int security_member_sid(struct selinux_state *state, u32 ssid, u32 tsid,
+ u16 tclass, u32 *out_sid);
+
+int security_change_sid(struct selinux_state *state, u32 ssid, u32 tsid,
+ u16 tclass, u32 *out_sid);
+
+int security_sid_to_context(struct selinux_state *state, u32 sid,
+ char **scontext, u32 *scontext_len);
+
+int security_sid_to_context_force(struct selinux_state *state,
+ u32 sid, char **scontext, u32 *scontext_len);
+
+int security_sid_to_context_inval(struct selinux_state *state,
+ u32 sid, char **scontext, u32 *scontext_len);
+
+int security_context_to_sid(struct selinux_state *state,
+ const char *scontext, u32 scontext_len,
+ u32 *out_sid, gfp_t gfp);
+
+int security_context_str_to_sid(struct selinux_state *state,
+ const char *scontext, u32 *out_sid, gfp_t gfp);
+
+int security_context_to_sid_default(struct selinux_state *state,
+ const char *scontext, u32 scontext_len,
+ u32 *out_sid, u32 def_sid, gfp_t gfp_flags);
+
+int security_context_to_sid_force(struct selinux_state *state,
+ const char *scontext, u32 scontext_len,
+ u32 *sid);
+
+int security_get_user_sids(struct selinux_state *state,
+ u32 callsid, char *username,
+ u32 **sids, u32 *nel);
+
+int security_port_sid(struct selinux_state *state,
+ u8 protocol, u16 port, u32 *out_sid);
+
+int security_ib_pkey_sid(struct selinux_state *state,
+ u64 subnet_prefix, u16 pkey_num, u32 *out_sid);
+
+int security_ib_endport_sid(struct selinux_state *state,
+ const char *dev_name, u8 port_num, u32 *out_sid);
+
+int security_netif_sid(struct selinux_state *state,
+ char *name, u32 *if_sid);
+
+int security_node_sid(struct selinux_state *state,
+ u16 domain, void *addr, u32 addrlen,
+ u32 *out_sid);
+
+int security_validate_transition(struct selinux_state *state,
+ u32 oldsid, u32 newsid, u32 tasksid,
+ u16 tclass);
+
+int security_validate_transition_user(struct selinux_state *state,
+ u32 oldsid, u32 newsid, u32 tasksid,
+ u16 tclass);
+
+int security_bounded_transition(struct selinux_state *state,
+ u32 oldsid, u32 newsid);
+
+int security_sid_mls_copy(struct selinux_state *state,
+ u32 sid, u32 mls_sid, u32 *new_sid);
+
+int security_net_peersid_resolve(struct selinux_state *state,
+ u32 nlbl_sid, u32 nlbl_type,
+ u32 xfrm_sid,
+ u32 *peer_sid);
+
+int security_get_classes(struct selinux_policy *policy,
+ char ***classes, int *nclasses);
+int security_get_permissions(struct selinux_policy *policy,
+ char *class, char ***perms, int *nperms);
+int security_get_reject_unknown(struct selinux_state *state);
+int security_get_allow_unknown(struct selinux_state *state);
+
+#define SECURITY_FS_USE_XATTR 1 /* use xattr */
+#define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */
+#define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */
+#define SECURITY_FS_USE_GENFS 4 /* use the genfs support */
+#define SECURITY_FS_USE_NONE 5 /* no labeling support */
+#define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */
+#define SECURITY_FS_USE_NATIVE 7 /* use native label support */
+#define SECURITY_FS_USE_MAX 7 /* Highest SECURITY_FS_USE_XXX */
+
+int security_fs_use(struct selinux_state *state, struct super_block *sb);
+
+int security_genfs_sid(struct selinux_state *state,
+ const char *fstype, const char *path, u16 sclass,
+ u32 *sid);
+
+int selinux_policy_genfs_sid(struct selinux_policy *policy,
+ const char *fstype, const char *path, u16 sclass,
+ u32 *sid);
+
+#ifdef CONFIG_NETLABEL
+int security_netlbl_secattr_to_sid(struct selinux_state *state,
+ struct netlbl_lsm_secattr *secattr,
+ u32 *sid);
+
+int security_netlbl_sid_to_secattr(struct selinux_state *state,
+ u32 sid,
+ struct netlbl_lsm_secattr *secattr);
+#else
+static inline int security_netlbl_secattr_to_sid(struct selinux_state *state,
+ struct netlbl_lsm_secattr *secattr,
+ u32 *sid)
+{
+ return -EIDRM;
+}
+
+static inline int security_netlbl_sid_to_secattr(struct selinux_state *state,
+ u32 sid,
+ struct netlbl_lsm_secattr *secattr)
+{
+ return -ENOENT;
+}
+#endif /* CONFIG_NETLABEL */
+
+const char *security_get_initial_sid_context(u32 sid);
+
+/*
+ * status notifier using mmap interface
+ */
+extern struct page *selinux_kernel_status_page(struct selinux_state *state);
+
+#define SELINUX_KERNEL_STATUS_VERSION 1
+struct selinux_kernel_status {
+ u32 version; /* version number of the structure */
+ u32 sequence; /* sequence number of seqlock logic */
+ u32 enforcing; /* current setting of enforcing mode */
+ u32 policyload; /* times of policy reloaded */
+ u32 deny_unknown; /* current setting of deny_unknown */
+ /*
+ * The version > 0 supports above members.
+ */
+} __packed;
+
+extern void selinux_status_update_setenforce(struct selinux_state *state,
+ int enforcing);
+extern void selinux_status_update_policyload(struct selinux_state *state,
+ int seqno);
+extern void selinux_complete_init(void);
+extern int selinux_disable(struct selinux_state *state);
+extern void exit_sel_fs(void);
+extern struct path selinux_null;
+extern void selnl_notify_setenforce(int val);
+extern void selnl_notify_policyload(u32 seqno);
+extern int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm);
+
+extern void avtab_cache_init(void);
+extern void ebitmap_cache_init(void);
+extern void hashtab_cache_init(void);
+extern int security_sidtab_hash_stats(struct selinux_state *state, char *page);
+
+#endif /* _SELINUX_SECURITY_H_ */
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
new file mode 100644
index 000000000..c75839860
--- /dev/null
+++ b/security/selinux/include/xfrm.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * SELinux support for the XFRM LSM hooks
+ *
+ * Author : Trent Jaeger, <jaegert@us.ibm.com>
+ * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com>
+ */
+#ifndef _SELINUX_XFRM_H_
+#define _SELINUX_XFRM_H_
+
+#include <linux/lsm_audit.h>
+#include <net/flow.h>
+#include <net/xfrm.h>
+
+int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
+ struct xfrm_user_sec_ctx *uctx,
+ gfp_t gfp);
+int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
+ struct xfrm_sec_ctx **new_ctxp);
+void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
+int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
+int selinux_xfrm_state_alloc(struct xfrm_state *x,
+ struct xfrm_user_sec_ctx *uctx);
+int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x,
+ struct xfrm_sec_ctx *polsec, u32 secid);
+void selinux_xfrm_state_free(struct xfrm_state *x);
+int selinux_xfrm_state_delete(struct xfrm_state *x);
+int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
+int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
+ struct xfrm_policy *xp,
+ const struct flowi_common *flic);
+
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+extern atomic_t selinux_xfrm_refcount;
+
+static inline int selinux_xfrm_enabled(void)
+{
+ return (atomic_read(&selinux_xfrm_refcount) > 0);
+}
+
+int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb,
+ struct common_audit_data *ad);
+int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb,
+ struct common_audit_data *ad, u8 proto);
+int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
+int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid);
+
+static inline void selinux_xfrm_notify_policyload(void)
+{
+ struct net *net;
+
+ down_read(&net_rwsem);
+ for_each_net(net)
+ rt_genid_bump_all(net);
+ up_read(&net_rwsem);
+}
+#else
+static inline int selinux_xfrm_enabled(void)
+{
+ return 0;
+}
+
+static inline int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb,
+ struct common_audit_data *ad)
+{
+ return 0;
+}
+
+static inline int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb,
+ struct common_audit_data *ad,
+ u8 proto)
+{
+ return 0;
+}
+
+static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid,
+ int ckall)
+{
+ *sid = SECSID_NULL;
+ return 0;
+}
+
+static inline void selinux_xfrm_notify_policyload(void)
+{
+}
+
+static inline int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid)
+{
+ *sid = SECSID_NULL;
+ return 0;
+}
+#endif
+
+#endif /* _SELINUX_XFRM_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-07 20:14:03 +0000