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Diffstat (limited to 'contrib/sepgsql/sepgsql.h')
| -rw-r--r-- | contrib/sepgsql/sepgsql.h | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/contrib/sepgsql/sepgsql.h b/contrib/sepgsql/sepgsql.h new file mode 100644 index 0000000..2193734 --- /dev/null +++ b/contrib/sepgsql/sepgsql.h @@ -0,0 +1,329 @@ +/* ------------------------------------------------------------------------- + * + * contrib/sepgsql/sepgsql.h + * + * Definitions corresponding to SE-PostgreSQL + * + * Copyright (c) 2010-2021, PostgreSQL Global Development Group + * + * ------------------------------------------------------------------------- + */ +#ifndef SEPGSQL_H +#define SEPGSQL_H + +#include "catalog/objectaddress.h" +#include "fmgr.h" + +#include <selinux/selinux.h> +#include <selinux/avc.h> + +/* + * SE-PostgreSQL Label Tag + */ +#define SEPGSQL_LABEL_TAG "selinux" + +/* + * SE-PostgreSQL performing mode + */ +#define SEPGSQL_MODE_DEFAULT 1 +#define SEPGSQL_MODE_PERMISSIVE 2 +#define SEPGSQL_MODE_INTERNAL 3 +#define SEPGSQL_MODE_DISABLED 4 + +/* + * Internally used code of object classes + */ +#define SEPG_CLASS_PROCESS 0 +#define SEPG_CLASS_FILE 1 +#define SEPG_CLASS_DIR 2 +#define SEPG_CLASS_LNK_FILE 3 +#define SEPG_CLASS_CHR_FILE 4 +#define SEPG_CLASS_BLK_FILE 5 +#define SEPG_CLASS_SOCK_FILE 6 +#define SEPG_CLASS_FIFO_FILE 7 +#define SEPG_CLASS_DB_DATABASE 8 +#define SEPG_CLASS_DB_SCHEMA 9 +#define SEPG_CLASS_DB_TABLE 10 +#define SEPG_CLASS_DB_SEQUENCE 11 +#define SEPG_CLASS_DB_PROCEDURE 12 +#define SEPG_CLASS_DB_COLUMN 13 +#define SEPG_CLASS_DB_TUPLE 14 +#define SEPG_CLASS_DB_BLOB 15 +#define SEPG_CLASS_DB_LANGUAGE 16 +#define SEPG_CLASS_DB_VIEW 17 +#define SEPG_CLASS_MAX 18 + +/* + * Internally used code of access vectors + */ +#define SEPG_PROCESS__TRANSITION (1<<0) +#define SEPG_PROCESS__DYNTRANSITION (1<<1) +#define SEPG_PROCESS__SETCURRENT (1<<2) + +#define SEPG_FILE__READ (1<<0) +#define SEPG_FILE__WRITE (1<<1) +#define SEPG_FILE__CREATE (1<<2) +#define SEPG_FILE__GETATTR (1<<3) +#define SEPG_FILE__UNLINK (1<<4) +#define SEPG_FILE__RENAME (1<<5) +#define SEPG_FILE__APPEND (1<<6) + +#define SEPG_DIR__READ (SEPG_FILE__READ) +#define SEPG_DIR__WRITE (SEPG_FILE__WRITE) +#define SEPG_DIR__CREATE (SEPG_FILE__CREATE) +#define SEPG_DIR__GETATTR (SEPG_FILE__GETATTR) +#define SEPG_DIR__UNLINK (SEPG_FILE__UNLINK) +#define SEPG_DIR__RENAME (SEPG_FILE__RENAME) +#define SEPG_DIR__SEARCH (1<<6) +#define SEPG_DIR__ADD_NAME (1<<7) +#define SEPG_DIR__REMOVE_NAME (1<<8) +#define SEPG_DIR__RMDIR (1<<9) +#define SEPG_DIR__REPARENT (1<<10) + +#define SEPG_LNK_FILE__READ (SEPG_FILE__READ) +#define SEPG_LNK_FILE__WRITE (SEPG_FILE__WRITE) +#define SEPG_LNK_FILE__CREATE (SEPG_FILE__CREATE) +#define SEPG_LNK_FILE__GETATTR (SEPG_FILE__GETATTR) +#define SEPG_LNK_FILE__UNLINK (SEPG_FILE__UNLINK) +#define SEPG_LNK_FILE__RENAME (SEPG_FILE__RENAME) + +#define SEPG_CHR_FILE__READ (SEPG_FILE__READ) +#define SEPG_CHR_FILE__WRITE (SEPG_FILE__WRITE) +#define SEPG_CHR_FILE__CREATE (SEPG_FILE__CREATE) +#define SEPG_CHR_FILE__GETATTR (SEPG_FILE__GETATTR) +#define SEPG_CHR_FILE__UNLINK (SEPG_FILE__UNLINK) +#define SEPG_CHR_FILE__RENAME (SEPG_FILE__RENAME) + +#define SEPG_BLK_FILE__READ (SEPG_FILE__READ) +#define SEPG_BLK_FILE__WRITE (SEPG_FILE__WRITE) +#define SEPG_BLK_FILE__CREATE (SEPG_FILE__CREATE) +#define SEPG_BLK_FILE__GETATTR (SEPG_FILE__GETATTR) +#define SEPG_BLK_FILE__UNLINK (SEPG_FILE__UNLINK) +#define SEPG_BLK_FILE__RENAME (SEPG_FILE__RENAME) + +#define SEPG_SOCK_FILE__READ (SEPG_FILE__READ) +#define SEPG_SOCK_FILE__WRITE (SEPG_FILE__WRITE) +#define SEPG_SOCK_FILE__CREATE (SEPG_FILE__CREATE) +#define SEPG_SOCK_FILE__GETATTR (SEPG_FILE__GETATTR) +#define SEPG_SOCK_FILE__UNLINK (SEPG_FILE__UNLINK) +#define SEPG_SOCK_FILE__RENAME (SEPG_FILE__RENAME) + +#define SEPG_FIFO_FILE__READ (SEPG_FILE__READ) +#define SEPG_FIFO_FILE__WRITE (SEPG_FILE__WRITE) +#define SEPG_FIFO_FILE__CREATE (SEPG_FILE__CREATE) +#define SEPG_FIFO_FILE__GETATTR (SEPG_FILE__GETATTR) +#define SEPG_FIFO_FILE__UNLINK (SEPG_FILE__UNLINK) +#define SEPG_FIFO_FILE__RENAME (SEPG_FILE__RENAME) + +#define SEPG_DB_DATABASE__CREATE (1<<0) +#define SEPG_DB_DATABASE__DROP (1<<1) +#define SEPG_DB_DATABASE__GETATTR (1<<2) +#define SEPG_DB_DATABASE__SETATTR (1<<3) +#define SEPG_DB_DATABASE__RELABELFROM (1<<4) +#define SEPG_DB_DATABASE__RELABELTO (1<<5) +#define SEPG_DB_DATABASE__ACCESS (1<<6) +#define SEPG_DB_DATABASE__LOAD_MODULE (1<<7) + +#define SEPG_DB_SCHEMA__CREATE (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_SCHEMA__DROP (SEPG_DB_DATABASE__DROP) +#define SEPG_DB_SCHEMA__GETATTR (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_SCHEMA__SETATTR (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_SCHEMA__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_SCHEMA__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_SCHEMA__SEARCH (1<<6) +#define SEPG_DB_SCHEMA__ADD_NAME (1<<7) +#define SEPG_DB_SCHEMA__REMOVE_NAME (1<<8) + +#define SEPG_DB_TABLE__CREATE (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_TABLE__DROP (SEPG_DB_DATABASE__DROP) +#define SEPG_DB_TABLE__GETATTR (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_TABLE__SETATTR (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_TABLE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_TABLE__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_TABLE__SELECT (1<<6) +#define SEPG_DB_TABLE__UPDATE (1<<7) +#define SEPG_DB_TABLE__INSERT (1<<8) +#define SEPG_DB_TABLE__DELETE (1<<9) +#define SEPG_DB_TABLE__LOCK (1<<10) +#define SEPG_DB_TABLE__TRUNCATE (1<<11) + +#define SEPG_DB_SEQUENCE__CREATE (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_SEQUENCE__DROP (SEPG_DB_DATABASE__DROP) +#define SEPG_DB_SEQUENCE__GETATTR (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_SEQUENCE__SETATTR (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_SEQUENCE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_SEQUENCE__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_SEQUENCE__GET_VALUE (1<<6) +#define SEPG_DB_SEQUENCE__NEXT_VALUE (1<<7) +#define SEPG_DB_SEQUENCE__SET_VALUE (1<<8) + +#define SEPG_DB_PROCEDURE__CREATE (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_PROCEDURE__DROP (SEPG_DB_DATABASE__DROP) +#define SEPG_DB_PROCEDURE__GETATTR (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_PROCEDURE__SETATTR (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_PROCEDURE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_PROCEDURE__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_PROCEDURE__EXECUTE (1<<6) +#define SEPG_DB_PROCEDURE__ENTRYPOINT (1<<7) +#define SEPG_DB_PROCEDURE__INSTALL (1<<8) + +#define SEPG_DB_COLUMN__CREATE (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_COLUMN__DROP (SEPG_DB_DATABASE__DROP) +#define SEPG_DB_COLUMN__GETATTR (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_COLUMN__SETATTR (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_COLUMN__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_COLUMN__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_COLUMN__SELECT (1<<6) +#define SEPG_DB_COLUMN__UPDATE (1<<7) +#define SEPG_DB_COLUMN__INSERT (1<<8) + +#define SEPG_DB_TUPLE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_TUPLE__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_TUPLE__SELECT (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_TUPLE__UPDATE (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_TUPLE__INSERT (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_TUPLE__DELETE (SEPG_DB_DATABASE__DROP) + +#define SEPG_DB_BLOB__CREATE (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_BLOB__DROP (SEPG_DB_DATABASE__DROP) +#define SEPG_DB_BLOB__GETATTR (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_BLOB__SETATTR (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_BLOB__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_BLOB__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_BLOB__READ (1<<6) +#define SEPG_DB_BLOB__WRITE (1<<7) +#define SEPG_DB_BLOB__IMPORT (1<<8) +#define SEPG_DB_BLOB__EXPORT (1<<9) + +#define SEPG_DB_LANGUAGE__CREATE (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_LANGUAGE__DROP (SEPG_DB_DATABASE__DROP) +#define SEPG_DB_LANGUAGE__GETATTR (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_LANGUAGE__SETATTR (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_LANGUAGE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_LANGUAGE__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_LANGUAGE__IMPLEMENT (1<<6) +#define SEPG_DB_LANGUAGE__EXECUTE (1<<7) + +#define SEPG_DB_VIEW__CREATE (SEPG_DB_DATABASE__CREATE) +#define SEPG_DB_VIEW__DROP (SEPG_DB_DATABASE__DROP) +#define SEPG_DB_VIEW__GETATTR (SEPG_DB_DATABASE__GETATTR) +#define SEPG_DB_VIEW__SETATTR (SEPG_DB_DATABASE__SETATTR) +#define SEPG_DB_VIEW__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM) +#define SEPG_DB_VIEW__RELABELTO (SEPG_DB_DATABASE__RELABELTO) +#define SEPG_DB_VIEW__EXPAND (1<<6) + +/* + * hooks.c + */ +extern bool sepgsql_get_permissive(void); +extern bool sepgsql_get_debug_audit(void); + +/* + * selinux.c + */ +extern bool sepgsql_is_enabled(void); +extern int sepgsql_get_mode(void); +extern int sepgsql_set_mode(int new_mode); +extern bool sepgsql_getenforce(void); + +extern void sepgsql_audit_log(bool denied, + const char *scontext, + const char *tcontext, + uint16 tclass, + uint32 audited, + const char *audit_name); + +extern void sepgsql_compute_avd(const char *scontext, + const char *tcontext, + uint16 tclass, + struct av_decision *avd); + +extern char *sepgsql_compute_create(const char *scontext, + const char *tcontext, + uint16 tclass, + const char *objname); + +extern bool sepgsql_check_perms(const char *scontext, + const char *tcontext, + uint16 tclass, + uint32 required, + const char *audit_name, + bool abort_on_violation); + +/* + * uavc.c + */ +#define SEPGSQL_AVC_NOAUDIT ((void *)(-1)) +extern bool sepgsql_avc_check_perms_label(const char *tcontext, + uint16 tclass, + uint32 required, + const char *audit_name, + bool abort_on_violation); +extern bool sepgsql_avc_check_perms(const ObjectAddress *tobject, + uint16 tclass, + uint32 required, + const char *audit_name, + bool abort_on_violation); +extern char *sepgsql_avc_trusted_proc(Oid functionId); +extern void sepgsql_avc_init(void); + +/* + * label.c + */ +extern char *sepgsql_get_client_label(void); +extern void sepgsql_init_client_label(void); +extern char *sepgsql_get_label(Oid classId, Oid objectId, int32 subId); + +extern void sepgsql_object_relabel(const ObjectAddress *object, + const char *seclabel); + +/* + * dml.c + */ +extern bool sepgsql_dml_privileges(List *rangeTabls, bool abort_on_violation); + +/* + * database.c + */ +extern void sepgsql_database_post_create(Oid databaseId, + const char *dtemplate); +extern void sepgsql_database_drop(Oid databaseId); +extern void sepgsql_database_relabel(Oid databaseId, const char *seclabel); +extern void sepgsql_database_setattr(Oid databaseId); + +/* + * schema.c + */ +extern void sepgsql_schema_post_create(Oid namespaceId); +extern void sepgsql_schema_drop(Oid namespaceId); +extern void sepgsql_schema_relabel(Oid namespaceId, const char *seclabel); +extern void sepgsql_schema_setattr(Oid namespaceId); +extern bool sepgsql_schema_search(Oid namespaceId, bool abort_on_violation); +extern void sepgsql_schema_add_name(Oid namespaceId); +extern void sepgsql_schema_remove_name(Oid namespaceId); +extern void sepgsql_schema_rename(Oid namespaceId); + +/* + * relation.c + */ +extern void sepgsql_attribute_post_create(Oid relOid, AttrNumber attnum); +extern void sepgsql_attribute_drop(Oid relOid, AttrNumber attnum); +extern void sepgsql_attribute_relabel(Oid relOid, AttrNumber attnum, + const char *seclabel); +extern void sepgsql_attribute_setattr(Oid relOid, AttrNumber attnum); +extern void sepgsql_relation_post_create(Oid relOid); +extern void sepgsql_relation_drop(Oid relOid); +extern void sepgsql_relation_truncate(Oid relOid); +extern void sepgsql_relation_relabel(Oid relOid, const char *seclabel); +extern void sepgsql_relation_setattr(Oid relOid); + +/* + * proc.c + */ +extern void sepgsql_proc_post_create(Oid functionId); +extern void sepgsql_proc_drop(Oid functionId); +extern void sepgsql_proc_relabel(Oid functionId, const char *seclabel); +extern void sepgsql_proc_setattr(Oid functionId); +extern void sepgsql_proc_execute(Oid functionId); + +#endif /* SEPGSQL_H */ |