1 /* Mach-O support for BFD.
2    Copyright (C) 2011-2016 Free Software Foundation, Inc.
3 
4    This file is part of BFD, the Binary File Descriptor library.
5 
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10 
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19    MA 02110-1301, USA.  */
20 
21 #ifndef _MACH_O_CODESIGN_H
22 #define _MACH_O_CODESIGN_H
23 
24 /* Codesign blob magics.  */
25 
26 /* Superblob containing all the components.  */
27 #define BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE 0xfade0cc0
28 
29 /* Individual code requirement.  */
30 #define BFD_MACH_O_CS_MAGIC_REQUIREMENT 0xfade0c00
31 
32 /* Collection of code requirements, indexed by type.  */
33 #define BFD_MACH_O_CS_MAGIC_REQUIREMENTS 0xfade0c01
34 
35 /* Directory.  */
36 #define BFD_MACH_O_CS_MAGIC_CODEDIRECTORY 0xfade0c02
37 
38 /* Entitlements blob.  */
39 #define BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS 0xfade7171
40 
41 /* Blob container.  */
42 #define BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER 0xfade0b01
43 
44 struct mach_o_codesign_codedirectory_external_v1
45 {
46   /* All the fields are in network byte order (big endian).  */
47   unsigned char version[4];
48   unsigned char flags[4];
49   unsigned char hash_offset[4];
50   unsigned char ident_offset[4];
51   unsigned char nbr_special_slots[4];
52   unsigned char nbr_code_slots[4];
53   unsigned char code_limit[4];
54   unsigned char hash_size[1];
55   unsigned char hash_type[1];
56   unsigned char spare1[1];
57   unsigned char page_size[1];
58   unsigned char spare2[4];
59 };
60 
61 struct mach_o_codesign_codedirectory_v1
62 {
63   unsigned int version;
64   unsigned int flags;
65   unsigned int hash_offset;
66   unsigned int ident_offset;
67   unsigned int nbr_special_slots;
68   unsigned int nbr_code_slots;
69   unsigned int code_limit;
70   unsigned char hash_size;
71   unsigned char hash_type;
72   unsigned char spare1;
73   unsigned char page_size;
74   unsigned int spare2;
75 };
76 
77 /* Value for hash_type.  */
78 #define BFD_MACH_O_CS_NO_HASH 0
79 #define BFD_MACH_O_CS_HASH_SHA1 1
80 #define BFD_MACH_O_CS_HASH_SHA256 2
81 #define BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 32 /* Skein, 160 bits */
82 #define BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 33 /* Skein, 256 bits */
83 
84 #endif /* _MACH_O_CODESIGN_H */
85