mirror of
https://git.postgresql.org/git/postgresql.git
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d44a3fb55d
This is some preliminary refactoring related to a pending patch to allow sepgsql-enable sessions to make dynamic label transitions. But this commit doesn't involve any functional change: it just puts some bits of code in more logical places. KaiGai Kohei
315 lines
11 KiB
C
315 lines
11 KiB
C
/* -------------------------------------------------------------------------
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*
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* contrib/sepgsql/sepgsql.h
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*
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* Definitions corresponding to SE-PostgreSQL
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*
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* Copyright (c) 2010-2012, PostgreSQL Global Development Group
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef SEPGSQL_H
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#define SEPGSQL_H
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#include "catalog/objectaddress.h"
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#include "fmgr.h"
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#include <selinux/selinux.h>
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#include <selinux/avc.h>
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/*
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* SE-PostgreSQL Label Tag
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*/
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#define SEPGSQL_LABEL_TAG "selinux"
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/*
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* SE-PostgreSQL performing mode
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*/
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#define SEPGSQL_MODE_DEFAULT 1
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#define SEPGSQL_MODE_PERMISSIVE 2
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#define SEPGSQL_MODE_INTERNAL 3
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#define SEPGSQL_MODE_DISABLED 4
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/*
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* Internally used code of object classes
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*/
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#define SEPG_CLASS_PROCESS 0
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#define SEPG_CLASS_FILE 1
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#define SEPG_CLASS_DIR 2
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#define SEPG_CLASS_LNK_FILE 3
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#define SEPG_CLASS_CHR_FILE 4
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#define SEPG_CLASS_BLK_FILE 5
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#define SEPG_CLASS_SOCK_FILE 6
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#define SEPG_CLASS_FIFO_FILE 7
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#define SEPG_CLASS_DB_DATABASE 8
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#define SEPG_CLASS_DB_SCHEMA 9
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#define SEPG_CLASS_DB_TABLE 10
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#define SEPG_CLASS_DB_SEQUENCE 11
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#define SEPG_CLASS_DB_PROCEDURE 12
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#define SEPG_CLASS_DB_COLUMN 13
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#define SEPG_CLASS_DB_TUPLE 14
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#define SEPG_CLASS_DB_BLOB 15
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#define SEPG_CLASS_DB_LANGUAGE 16
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#define SEPG_CLASS_DB_VIEW 17
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#define SEPG_CLASS_MAX 18
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/*
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* Internally used code of access vectors
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*/
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#define SEPG_PROCESS__TRANSITION (1<<0)
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#define SEPG_FILE__READ (1<<0)
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#define SEPG_FILE__WRITE (1<<1)
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#define SEPG_FILE__CREATE (1<<2)
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#define SEPG_FILE__GETATTR (1<<3)
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#define SEPG_FILE__UNLINK (1<<4)
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#define SEPG_FILE__RENAME (1<<5)
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#define SEPG_FILE__APPEND (1<<6)
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#define SEPG_DIR__READ (SEPG_FILE__READ)
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#define SEPG_DIR__WRITE (SEPG_FILE__WRITE)
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#define SEPG_DIR__CREATE (SEPG_FILE__CREATE)
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#define SEPG_DIR__GETATTR (SEPG_FILE__GETATTR)
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#define SEPG_DIR__UNLINK (SEPG_FILE__UNLINK)
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#define SEPG_DIR__RENAME (SEPG_FILE__RENAME)
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#define SEPG_DIR__SEARCH (1<<6)
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#define SEPG_DIR__ADD_NAME (1<<7)
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#define SEPG_DIR__REMOVE_NAME (1<<8)
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#define SEPG_DIR__RMDIR (1<<9)
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#define SEPG_DIR__REPARENT (1<<10)
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#define SEPG_LNK_FILE__READ (SEPG_FILE__READ)
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#define SEPG_LNK_FILE__WRITE (SEPG_FILE__WRITE)
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#define SEPG_LNK_FILE__CREATE (SEPG_FILE__CREATE)
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#define SEPG_LNK_FILE__GETATTR (SEPG_FILE__GETATTR)
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#define SEPG_LNK_FILE__UNLINK (SEPG_FILE__UNLINK)
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#define SEPG_LNK_FILE__RENAME (SEPG_FILE__RENAME)
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#define SEPG_CHR_FILE__READ (SEPG_FILE__READ)
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#define SEPG_CHR_FILE__WRITE (SEPG_FILE__WRITE)
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#define SEPG_CHR_FILE__CREATE (SEPG_FILE__CREATE)
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#define SEPG_CHR_FILE__GETATTR (SEPG_FILE__GETATTR)
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#define SEPG_CHR_FILE__UNLINK (SEPG_FILE__UNLINK)
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#define SEPG_CHR_FILE__RENAME (SEPG_FILE__RENAME)
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#define SEPG_BLK_FILE__READ (SEPG_FILE__READ)
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#define SEPG_BLK_FILE__WRITE (SEPG_FILE__WRITE)
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#define SEPG_BLK_FILE__CREATE (SEPG_FILE__CREATE)
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#define SEPG_BLK_FILE__GETATTR (SEPG_FILE__GETATTR)
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#define SEPG_BLK_FILE__UNLINK (SEPG_FILE__UNLINK)
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#define SEPG_BLK_FILE__RENAME (SEPG_FILE__RENAME)
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#define SEPG_SOCK_FILE__READ (SEPG_FILE__READ)
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#define SEPG_SOCK_FILE__WRITE (SEPG_FILE__WRITE)
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#define SEPG_SOCK_FILE__CREATE (SEPG_FILE__CREATE)
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#define SEPG_SOCK_FILE__GETATTR (SEPG_FILE__GETATTR)
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#define SEPG_SOCK_FILE__UNLINK (SEPG_FILE__UNLINK)
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#define SEPG_SOCK_FILE__RENAME (SEPG_FILE__RENAME)
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#define SEPG_FIFO_FILE__READ (SEPG_FILE__READ)
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#define SEPG_FIFO_FILE__WRITE (SEPG_FILE__WRITE)
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#define SEPG_FIFO_FILE__CREATE (SEPG_FILE__CREATE)
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#define SEPG_FIFO_FILE__GETATTR (SEPG_FILE__GETATTR)
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#define SEPG_FIFO_FILE__UNLINK (SEPG_FILE__UNLINK)
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#define SEPG_FIFO_FILE__RENAME (SEPG_FILE__RENAME)
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#define SEPG_DB_DATABASE__CREATE (1<<0)
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#define SEPG_DB_DATABASE__DROP (1<<1)
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#define SEPG_DB_DATABASE__GETATTR (1<<2)
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#define SEPG_DB_DATABASE__SETATTR (1<<3)
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#define SEPG_DB_DATABASE__RELABELFROM (1<<4)
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#define SEPG_DB_DATABASE__RELABELTO (1<<5)
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#define SEPG_DB_DATABASE__ACCESS (1<<6)
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#define SEPG_DB_DATABASE__LOAD_MODULE (1<<7)
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#define SEPG_DB_SCHEMA__CREATE (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_SCHEMA__DROP (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_SCHEMA__GETATTR (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_SCHEMA__SETATTR (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_SCHEMA__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_SCHEMA__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_SCHEMA__SEARCH (1<<6)
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#define SEPG_DB_SCHEMA__ADD_NAME (1<<7)
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#define SEPG_DB_SCHEMA__REMOVE_NAME (1<<8)
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#define SEPG_DB_TABLE__CREATE (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_TABLE__DROP (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_TABLE__GETATTR (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_TABLE__SETATTR (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_TABLE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_TABLE__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_TABLE__SELECT (1<<6)
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#define SEPG_DB_TABLE__UPDATE (1<<7)
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#define SEPG_DB_TABLE__INSERT (1<<8)
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#define SEPG_DB_TABLE__DELETE (1<<9)
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#define SEPG_DB_TABLE__LOCK (1<<10)
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#define SEPG_DB_TABLE__INDEXON (1<<11)
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#define SEPG_DB_SEQUENCE__CREATE (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_SEQUENCE__DROP (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_SEQUENCE__GETATTR (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_SEQUENCE__SETATTR (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_SEQUENCE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_SEQUENCE__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_SEQUENCE__GET_VALUE (1<<6)
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#define SEPG_DB_SEQUENCE__NEXT_VALUE (1<<7)
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#define SEPG_DB_SEQUENCE__SET_VALUE (1<<8)
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#define SEPG_DB_PROCEDURE__CREATE (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_PROCEDURE__DROP (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_PROCEDURE__GETATTR (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_PROCEDURE__SETATTR (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_PROCEDURE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_PROCEDURE__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_PROCEDURE__EXECUTE (1<<6)
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#define SEPG_DB_PROCEDURE__ENTRYPOINT (1<<7)
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#define SEPG_DB_PROCEDURE__INSTALL (1<<8)
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#define SEPG_DB_COLUMN__CREATE (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_COLUMN__DROP (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_COLUMN__GETATTR (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_COLUMN__SETATTR (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_COLUMN__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_COLUMN__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_COLUMN__SELECT (1<<6)
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#define SEPG_DB_COLUMN__UPDATE (1<<7)
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#define SEPG_DB_COLUMN__INSERT (1<<8)
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#define SEPG_DB_TUPLE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_TUPLE__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_TUPLE__SELECT (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_TUPLE__UPDATE (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_TUPLE__INSERT (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_TUPLE__DELETE (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_BLOB__CREATE (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_BLOB__DROP (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_BLOB__GETATTR (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_BLOB__SETATTR (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_BLOB__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_BLOB__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_BLOB__READ (1<<6)
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#define SEPG_DB_BLOB__WRITE (1<<7)
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#define SEPG_DB_BLOB__IMPORT (1<<8)
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#define SEPG_DB_BLOB__EXPORT (1<<9)
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#define SEPG_DB_LANGUAGE__CREATE (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_LANGUAGE__DROP (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_LANGUAGE__GETATTR (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_LANGUAGE__SETATTR (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_LANGUAGE__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_LANGUAGE__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_LANGUAGE__IMPLEMENT (1<<6)
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#define SEPG_DB_LANGUAGE__EXECUTE (1<<7)
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#define SEPG_DB_VIEW__CREATE (SEPG_DB_DATABASE__CREATE)
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#define SEPG_DB_VIEW__DROP (SEPG_DB_DATABASE__DROP)
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#define SEPG_DB_VIEW__GETATTR (SEPG_DB_DATABASE__GETATTR)
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#define SEPG_DB_VIEW__SETATTR (SEPG_DB_DATABASE__SETATTR)
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#define SEPG_DB_VIEW__RELABELFROM (SEPG_DB_DATABASE__RELABELFROM)
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#define SEPG_DB_VIEW__RELABELTO (SEPG_DB_DATABASE__RELABELTO)
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#define SEPG_DB_VIEW__EXPAND (1<<6)
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/*
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* hooks.c
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*/
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extern bool sepgsql_get_permissive(void);
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extern bool sepgsql_get_debug_audit(void);
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/*
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* selinux.c
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*/
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extern bool sepgsql_is_enabled(void);
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extern int sepgsql_get_mode(void);
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extern int sepgsql_set_mode(int new_mode);
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extern bool sepgsql_getenforce(void);
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extern void sepgsql_audit_log(bool denied,
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const char *scontext,
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const char *tcontext,
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uint16 tclass,
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uint32 audited,
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const char *audit_name);
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extern void sepgsql_compute_avd(const char *scontext,
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const char *tcontext,
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uint16 tclass,
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struct av_decision * avd);
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extern char *sepgsql_compute_create(const char *scontext,
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const char *tcontext,
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uint16 tclass);
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extern bool sepgsql_check_perms(const char *scontext,
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const char *tcontext,
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uint16 tclass,
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uint32 required,
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const char *audit_name,
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bool abort);
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/*
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* uavc.c
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*/
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#define SEPGSQL_AVC_NOAUDIT ((void *)(-1))
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extern bool sepgsql_avc_check_perms_label(const char *tcontext,
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uint16 tclass,
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uint32 required,
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const char *audit_name,
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bool abort);
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extern bool sepgsql_avc_check_perms(const ObjectAddress *tobject,
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uint16 tclass,
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uint32 required,
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const char *audit_name,
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bool abort);
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extern char *sepgsql_avc_trusted_proc(Oid functionId);
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extern void sepgsql_avc_init(void);
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/*
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* label.c
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*/
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extern char *sepgsql_get_client_label(void);
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extern void sepgsql_init_client_label(void);
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extern char *sepgsql_get_label(Oid relOid, Oid objOid, int32 subId);
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extern void sepgsql_object_relabel(const ObjectAddress *object,
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const char *seclabel);
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extern Datum sepgsql_getcon(PG_FUNCTION_ARGS);
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extern Datum sepgsql_mcstrans_in(PG_FUNCTION_ARGS);
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extern Datum sepgsql_mcstrans_out(PG_FUNCTION_ARGS);
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extern Datum sepgsql_restorecon(PG_FUNCTION_ARGS);
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/*
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* dml.c
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*/
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extern bool sepgsql_dml_privileges(List *rangeTabls, bool abort);
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/*
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* database.c
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*/
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extern void sepgsql_database_post_create(Oid databaseId,
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const char *dtemplate);
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extern void sepgsql_database_relabel(Oid databaseId, const char *seclabel);
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/*
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* schema.c
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*/
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extern void sepgsql_schema_post_create(Oid namespaceId);
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extern void sepgsql_schema_relabel(Oid namespaceId, const char *seclabel);
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/*
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* relation.c
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*/
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extern void sepgsql_attribute_post_create(Oid relOid, AttrNumber attnum);
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extern void sepgsql_attribute_relabel(Oid relOid, AttrNumber attnum,
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const char *seclabel);
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extern void sepgsql_relation_post_create(Oid relOid);
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extern void sepgsql_relation_relabel(Oid relOid, const char *seclabel);
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/*
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* proc.c
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*/
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extern void sepgsql_proc_post_create(Oid functionId);
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extern void sepgsql_proc_relabel(Oid functionId, const char *seclabel);
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#endif /* SEPGSQL_H */
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