xref: /xnu-8020.121.3/bsd/sys/imgact.h (revision fdd8201d7b966f0c3ea610489d29bd841d358941)
1 /*
2  * Copyright (c) 2004-2005, 2011 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /*
29  * Copyright (c) 1993, David Greenman
30  * All rights reserved.
31  *
32  * Redistribution and use in source and binary forms, with or without
33  * modification, are permitted provided that the following conditions
34  * are met:
35  * 1. Redistributions of source code must retain the above copyright
36  *    notice, this list of conditions and the following disclaimer.
37  * 2. Redistributions in binary form must reproduce the above copyright
38  *    notice, this list of conditions and the following disclaimer in the
39  *    documentation and/or other materials provided with the distribution.
40  * 3. All advertising materials mentioning features or use of this software
41  *    must display the following acknowledgement:
42  *	This product includes software developed by the University of
43  *	California, Berkeley and its contributors.
44  * 4. Neither the name of the University nor the names of its contributors
45  *    may be used to endorse or promote products derived from this software
46  *    without specific prior written permission.
47  *
48  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58  * SUCH DAMAGE.
59  */
60 /*
61  * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
62  * support for mandatory and extensible security protections.  This notice
63  * is included in support of clause 2.2 (b) of the Apple Public License,
64  * Version 2.0.
65  */
66 #ifndef _SYS_IMGACT_H_
67 #define _SYS_IMGACT_H_
68 
69 #define IMG_SHSIZE      512     /* largest shell interpreter, in bytes */
70 
71 struct label;
72 struct proc;
73 struct nameidata;
74 
75 struct image_params {
76 	user_addr_t     ip_user_fname;          /* argument */
77 	user_addr_t     ip_user_argv;           /* argument */
78 	user_addr_t     ip_user_envv;           /* argument */
79 	int             ip_seg;                 /* segment for arguments */
80 	struct vnode    *ip_vp;                 /* file */
81 	struct vnode_attr       *ip_vattr;      /* run file attributes */
82 	struct vnode_attr       *ip_origvattr;  /* invocation file attributes */
83 	cpu_type_t      ip_origcputype;         /* cputype of invocation file */
84 	cpu_subtype_t   ip_origcpusubtype;      /* subtype of invocation file */
85 	char            *ip_vdata;              /* file data (up to one page) */
86 	int             ip_flags;               /* image flags */
87 	int             ip_argc;                /* argument count */
88 	int             ip_envc;                /* environment count */
89 	int             ip_applec;              /* apple vector count */
90 
91 	char            *ip_startargv;          /* argument vector beginning */
92 	char            *ip_endargv;    /* end of argv/start of envv */
93 	char            *ip_endenvv;    /* end of envv/start of applev */
94 
95 	char            *ip_strings;            /* base address for strings */
96 	char            *ip_strendp;            /* current end pointer */
97 
98 	char            *ip_subsystem_root_path;        /* filepath for the subsystem root */
99 
100 	int             ip_argspace;    /* remaining space of NCARGS limit (argv+envv) */
101 	int             ip_strspace;            /* remaining total string space */
102 
103 	user_size_t     ip_arch_offset;         /* subfile offset in ip_vp */
104 	user_size_t     ip_arch_size;           /* subfile length in ip_vp */
105 	char            ip_interp_buffer[IMG_SHSIZE];   /* interpreter buffer space */
106 	int             ip_interp_sugid_fd;             /* fd for sugid script */
107 
108 	/* Next two fields are for support of architecture translation... */
109 	struct vfs_context      *ip_vfs_context;        /* VFS context */
110 	struct nameidata *ip_ndp;               /* current nameidata */
111 	thread_t        ip_new_thread;          /* thread for spawn */
112 
113 	struct label    *ip_execlabelp;         /* label of the executable */
114 	struct label    *ip_scriptlabelp;       /* label of the script */
115 	struct vnode    *ip_scriptvp;           /* script */
116 	unsigned int    ip_csflags;             /* code signing flags */
117 	int             ip_mac_return;          /* return code from mac policy checks */
118 	void            *ip_px_sa;              /* posix_spawn attrs */
119 	void            *ip_px_sfa;             /* posix_spawn file actions */
120 	void            *ip_px_spa;             /* posix_spawn port actions */
121 	struct ip_px_smpx_s {
122 		void        *array;
123 		void        *data;
124 		uint64_t    datalen;
125 	}               ip_px_smpx;             /* MAC-specific spawn attrs. */
126 	void            *ip_px_persona;         /* persona args */
127 	void            *ip_px_pcred_info;      /* posix cred args */
128 	void            *ip_cs_error;           /* codesigning error reason */
129 	char            *ip_inherited_shared_region_id;  /* inherited shared region id for ptr auth */
130 
131 	uint64_t ip_dyld_fsid;
132 	uint64_t ip_dyld_fsobjid;
133 	uint64_t ip_inherited_jop_pid;
134 	unsigned int    ip_simulator_binary;    /* simulator binary flags */
135 };
136 
137 /*
138  * Image flags
139  */
140 #define IMGPF_NONE                              0x00000000      /* No flags */
141 #define IMGPF_INTERPRET                 0x00000001      /* Interpreter invoked */
142 #define IMGPF_RESERVED                  0x00000002
143 #define IMGPF_WAS_64BIT_ADDR    0x00000004      /* exec from a 64Bit address space */
144 #define IMGPF_IS_64BIT_ADDR             0x00000008      /* exec to a 64Bit address space */
145 #define IMGPF_SPAWN                             0x00000010      /* spawn (without setexec) */
146 #define IMGPF_DISABLE_ASLR              0x00000020      /* disable ASLR */
147 #define IMGPF_ALLOW_DATA_EXEC   0x00000040      /* forcibly disallow data execution */
148 #define IMGPF_EXEC                              0x00000100      /* exec */
149 #define IMGPF_HIGH_BITS_ASLR    0x00000200      /* randomize high bits of ASLR slide */
150 #define IMGPF_IS_64BIT_DATA             0x00000400      /* exec to a 64Bit register state */
151 #define IMGPF_DRIVER             0x00000800      /* exec of a driver binary (no LC_MAIN) */
152 #define IMGPF_RESLIDE            0x00001000     /* reslide the shared cache */
153 #define IMGPF_PLUGIN_HOST_DISABLE_A_KEYS  0x00002000     /* process hosts plugins, disable ptr auth A keys */
154 #define IMGPF_ALT_ROSETTA       0x00004000     /* load alternative rosetta runtime */
155 #define IMGPF_NOJOP             0x80000000
156 
157 
158 /*
159  * Simulator binary flags
160  */
161 #define IMGPF_SB_DEFAULT         0               /* Default value, did not check if it is a simulator binary */
162 #define IMGPF_SB_TRUE            1               /* Binary is a simulator binary */
163 #define IMGPF_SB_FALSE           2               /* Binary is not a simulator binary */
164 
165 
166 #endif  /* !_SYS_IMGACT */
167