| | 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 | int ip_argspace; /* remaining space of NCARGS limit (argv+envv) */ |
| | 99 | int ip_strspace; /* remaining total string space */ |
| | 100 | |
| | 101 | user_size_t ip_arch_offset; /* subfile offset in ip_vp */ |
| | 102 | user_size_t ip_arch_size; /* subfile length in ip_vp */ |
| | 103 | char ip_interp_buffer[IMG_SHSIZE]; /* interpreter buffer space */ |
| | 104 | int ip_interp_sugid_fd; /* fd for sugid script */ |
| | 105 | |
| | 106 | /* Next two fields are for support of architecture translation... */ |
| | 107 | struct vfs_context *ip_vfs_context; /* VFS context */ |
| | 108 | struct nameidata *ip_ndp; /* current nameidata */ |
| | 109 | thread_t ip_new_thread; /* thread for spawn/vfork */ |
| | 110 | |
| | 111 | struct label *ip_execlabelp; /* label of the executable */ |
| | 112 | struct label *ip_scriptlabelp; /* label of the script */ |
| | 113 | struct vnode *ip_scriptvp; /* script */ |
| | 114 | unsigned int ip_csflags; /* code signing flags */ |
| | 115 | int ip_mac_return; /* return code from mac policy checks */ |
| | 116 | void *ip_px_sa; |
| | 117 | void *ip_px_sfa; |
| | 118 | void *ip_px_spa; |
| | 119 | void *ip_px_smpx; /* MAC-specific spawn attrs. */ |
| | 120 | void *ip_px_persona; /* persona args */ |
| | 121 | }; |
| | 122 | |
| | 123 | /* |
| | 124 | * Image flags |
| | 125 | */ |
| | 126 | #define IMGPF_NONE 0x00000000 /* No flags */ |
| | 127 | #define IMGPF_INTERPRET 0x00000001 /* Interpreter invoked */ |
| | 128 | #define IMGPF_RESERVED 0x00000002 |
| | 129 | #define IMGPF_WAS_64BIT 0x00000004 /* exec from a 64Bit binary */ |
| | 130 | #define IMGPF_IS_64BIT 0x00000008 /* exec to a 64Bit binary */ |
| | 131 | #define IMGPF_SPAWN 0x00000010 /* spawn (without setexec) */ |
| | 132 | #define IMGPF_DISABLE_ASLR 0x00000020 /* disable ASLR */ |
| | 133 | #define IMGPF_ALLOW_DATA_EXEC 0x00000040 /* forcibly disallow data execution */ |
| | 134 | #define IMGPF_VFORK_EXEC 0x00000080 /* vfork followed by exec */ |
| | 135 | |
| | 136 | #endif /* !_SYS_IMGACT */ |
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