xnu-6153.11.26.tar.gz

[apple/xnu.git] / bsd / sys / imgact.h

/*
 * Copyright (c) 2004-2005, 2011 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1993, David Greenman
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
/*
 * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
 * support for mandatory and extensible security protections.  This notice
 * is included in support of clause 2.2 (b) of the Apple Public License,
 * Version 2.0.
 */
#ifndef _SYS_IMGACT_H_
#define _SYS_IMGACT_H_

#define IMG_SHSIZE      512     /* largest shell interpreter, in bytes */

struct label;
struct proc;
struct nameidata;

struct image_params {
	user_addr_t     ip_user_fname;          /* argument */
	user_addr_t     ip_user_argv;           /* argument */
	user_addr_t     ip_user_envv;           /* argument */
	int             ip_seg;                 /* segment for arguments */
	struct vnode    *ip_vp;                 /* file */
	struct vnode_attr       *ip_vattr;      /* run file attributes */
	struct vnode_attr       *ip_origvattr;  /* invocation file attributes */
	cpu_type_t      ip_origcputype;         /* cputype of invocation file */
	cpu_subtype_t   ip_origcpusubtype;      /* subtype of invocation file */
	char            *ip_vdata;              /* file data (up to one page) */
	int             ip_flags;               /* image flags */
	int             ip_argc;                /* argument count */
	int             ip_envc;                /* environment count */
	int             ip_applec;              /* apple vector count */

	char            *ip_startargv;          /* argument vector beginning */
	char            *ip_endargv;    /* end of argv/start of envv */
	char            *ip_endenvv;    /* end of envv/start of applev */

	char            *ip_strings;            /* base address for strings */
	char            *ip_strendp;            /* current end pointer */

	int             ip_argspace;    /* remaining space of NCARGS limit (argv+envv) */
	int             ip_strspace;            /* remaining total string space */

	user_size_t     ip_arch_offset;         /* subfile offset in ip_vp */
	user_size_t     ip_arch_size;           /* subfile length in ip_vp */
	char            ip_interp_buffer[IMG_SHSIZE];   /* interpreter buffer space */
	int             ip_interp_sugid_fd;             /* fd for sugid script */

	/* Next two fields are for support of architecture translation... */
	struct vfs_context      *ip_vfs_context;        /* VFS context */
	struct nameidata *ip_ndp;               /* current nameidata */
	thread_t        ip_new_thread;          /* thread for spawn/vfork */

	struct label    *ip_execlabelp;         /* label of the executable */
	struct label    *ip_scriptlabelp;       /* label of the script */
	struct vnode    *ip_scriptvp;           /* script */
	unsigned int    ip_csflags;             /* code signing flags */
	int             ip_mac_return;          /* return code from mac policy checks */
	void            *ip_px_sa;
	void            *ip_px_sfa;
	void            *ip_px_spa;
	void            *ip_px_smpx;            /* MAC-specific spawn attrs. */
	void            *ip_px_persona;         /* persona args */
	void            *ip_px_pcred_info;      /* posix cred args */
	void            *ip_cs_error;           /* codesigning error reason */

	uint64_t ip_dyld_fsid;
	uint64_t ip_dyld_fsobjid;
	unsigned int    ip_simulator_binary;    /* simulator binary flags */
};

/*
 * Image flags
 */
#define IMGPF_NONE                              0x00000000      /* No flags */
#define IMGPF_INTERPRET                 0x00000001      /* Interpreter invoked */
#define IMGPF_RESERVED                  0x00000002
#define IMGPF_WAS_64BIT_ADDR    0x00000004      /* exec from a 64Bit address space */
#define IMGPF_IS_64BIT_ADDR             0x00000008      /* exec to a 64Bit address space */
#define IMGPF_SPAWN                             0x00000010      /* spawn (without setexec) */
#define IMGPF_DISABLE_ASLR              0x00000020      /* disable ASLR */
#define IMGPF_ALLOW_DATA_EXEC   0x00000040      /* forcibly disallow data execution */
#define IMGPF_VFORK_EXEC                0x00000080      /* vfork followed by exec */
#define IMGPF_EXEC                              0x00000100      /* exec */
#define IMGPF_HIGH_BITS_ASLR    0x00000200      /* randomize high bits of ASLR slide */
#define IMGPF_IS_64BIT_DATA             0x00000400      /* exec to a 64Bit register state */
#define IMGPF_DRIVER             0x00000800      /* exec of a driver binary (no LC_MAIN) */
#define IMGPF_NOJOP             0x80000000

/*
 * Simulator binary flags
 */
#define IMGPF_SB_DEFAULT         0               /* Default value, did not check if it is a simulator binary */
#define IMGPF_SB_TRUE            1               /* Binary is a simulator binary */
#define IMGPF_SB_FALSE           2               /* Binary is not a simulator binary */

#endif  /* !_SYS_IMGACT */