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99 lines
2.6 KiB
99 lines
2.6 KiB
/*
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* Security server interface.
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*
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* Author : Stephen Smalley, <sds@epoch.ncsc.mil>
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*
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*/
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#ifndef _SELINUX_SECURITY_H_
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#define _SELINUX_SECURITY_H_
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#include "flask.h"
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#define SECSID_NULL 0x00000000 /* unspecified SID */
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#define SECSID_WILD 0xffffffff /* wildcard SID */
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#define SECCLASS_NULL 0x0000 /* no class */
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#define SELINUX_MAGIC 0xf97cff8c
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/* Identify specific policy version changes */
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#define POLICYDB_VERSION_BASE 15
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#define POLICYDB_VERSION_BOOL 16
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#define POLICYDB_VERSION_IPV6 17
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#define POLICYDB_VERSION_NLCLASS 18
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#define POLICYDB_VERSION_VALIDATETRANS 19
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#define POLICYDB_VERSION_MLS 19
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/* Range of policy versions we understand*/
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#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
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#define POLICYDB_VERSION_MAX POLICYDB_VERSION_MLS
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#ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM
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extern int selinux_enabled;
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#else
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#define selinux_enabled 1
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#endif
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extern int selinux_mls_enabled;
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int security_load_policy(void * data, size_t len);
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struct av_decision {
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u32 allowed;
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u32 decided;
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u32 auditallow;
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u32 auditdeny;
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u32 seqno;
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};
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int security_compute_av(u32 ssid, u32 tsid,
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u16 tclass, u32 requested,
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struct av_decision *avd);
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int security_transition_sid(u32 ssid, u32 tsid,
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u16 tclass, u32 *out_sid);
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int security_member_sid(u32 ssid, u32 tsid,
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u16 tclass, u32 *out_sid);
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int security_change_sid(u32 ssid, u32 tsid,
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u16 tclass, u32 *out_sid);
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int security_sid_to_context(u32 sid, char **scontext,
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u32 *scontext_len);
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int security_context_to_sid(char *scontext, u32 scontext_len,
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u32 *out_sid);
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int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *out_sid, u32 def_sid);
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int security_get_user_sids(u32 callsid, char *username,
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u32 **sids, u32 *nel);
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int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port,
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u32 *out_sid);
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int security_netif_sid(char *name, u32 *if_sid,
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u32 *msg_sid);
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int security_node_sid(u16 domain, void *addr, u32 addrlen,
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u32 *out_sid);
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int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
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u16 tclass);
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#define SECURITY_FS_USE_XATTR 1 /* use xattr */
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#define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */
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#define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */
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#define SECURITY_FS_USE_GENFS 4 /* use the genfs support */
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#define SECURITY_FS_USE_NONE 5 /* no labeling support */
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#define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */
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int security_fs_use(const char *fstype, unsigned int *behavior,
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u32 *sid);
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int security_genfs_sid(const char *fstype, char *name, u16 sclass,
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u32 *sid);
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#endif /* _SELINUX_SECURITY_H_ */
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