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-rw-r--r--tools/creative.c103
1 files changed, 97 insertions, 6 deletions
diff --git a/tools/creative.c b/tools/creative.c
index 1698f58930..5c4a236a52 100644
--- a/tools/creative.c
+++ b/tools/creative.c
@@ -23,14 +23,105 @@
23#include <stdbool.h> 23#include <stdbool.h>
24#include <stdlib.h> 24#include <stdlib.h>
25#include <string.h> 25#include <string.h>
26#if !defined(__APPLE__)
27#include <elf.h>
28#else
29#include "mac-elf.h" /* Mac OS X doesn't distribuate elf.h... */
30#endif
31
32#include "creative.h" 26#include "creative.h"
33#include "hmac-sha1.h" 27#include "hmac-sha1.h"
28/*
29 ---------------------------------------------------------------------------
30 Shamelessly taken from elf.h (for compatibility reasons included)
31 ---------------------------------------------------------------------------
32
33 This file defines standard ELF types, structures, and macros.
34 Copyright (C) 1995-2003,2004,2005,2006,2007 Free Software Foundation, Inc.
35 This file is part of the GNU C Library.
36
37 The GNU C Library is free software; you can redistribute it and/or
38 modify it under the terms of the GNU Lesser General Public
39 License as published by the Free Software Foundation; either
40 version 2.1 of the License, or (at your option) any later version.
41
42 The GNU C Library is distributed in the hope that it will be useful,
43 but WITHOUT ANY WARRANTY; without even the implied warranty of
44 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
45 Lesser General Public License for more details.
46
47 You should have received a copy of the GNU Lesser General Public
48 License along with the GNU C Library; if not, write to the Free
49 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
50 02111-1307 USA.
51*/
52
53#include <stdint.h>
54
55/* Type for a 16-bit quantity. */
56typedef uint16_t Elf32_Half;
57
58/* Types for signed and unsigned 32-bit quantities. */
59typedef uint32_t Elf32_Word;
60typedef int32_t Elf32_Sword;
61
62/* Types for signed and unsigned 64-bit quantities. */
63typedef uint64_t Elf32_Xword;
64typedef int64_t Elf32_Sxword;
65
66/* Type of addresses. */
67typedef uint32_t Elf32_Addr;
68
69/* Type of file offsets. */
70typedef uint32_t Elf32_Off;
71
72/* Type for section indices, which are 16-bit quantities. */
73typedef uint16_t Elf32_Section;
74
75#define EI_NIDENT (16)
76
77typedef struct
78{
79 unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
80 Elf32_Half e_type; /* Object file type */
81 Elf32_Half e_machine; /* Architecture */
82 Elf32_Word e_version; /* Object file version */
83 Elf32_Addr e_entry; /* Entry point virtual address */
84 Elf32_Off e_phoff; /* Program header table file offset */
85 Elf32_Off e_shoff; /* Section header table file offset */
86 Elf32_Word e_flags; /* Processor-specific flags */
87 Elf32_Half e_ehsize; /* ELF header size in bytes */
88 Elf32_Half e_phentsize; /* Program header table entry size */
89 Elf32_Half e_phnum; /* Program header table entry count */
90 Elf32_Half e_shentsize; /* Section header table entry size */
91 Elf32_Half e_shnum; /* Section header table entry count */
92 Elf32_Half e_shstrndx; /* Section header string table index */
93} Elf32_Ehdr;
94
95typedef struct
96{
97 Elf32_Word sh_name; /* Section name (string tbl index) */
98 Elf32_Word sh_type; /* Section type */
99 Elf32_Word sh_flags; /* Section flags */
100 Elf32_Addr sh_addr; /* Section virtual addr at execution */
101 Elf32_Off sh_offset; /* Section file offset */
102 Elf32_Word sh_size; /* Section size in bytes */
103 Elf32_Word sh_link; /* Link to another section */
104 Elf32_Word sh_info; /* Additional section information */
105 Elf32_Word sh_addralign; /* Section alignment */
106 Elf32_Word sh_entsize; /* Entry size if section holds table */
107} Elf32_Shdr;
108
109#define ELFMAG0 0x7f /* Magic number byte 0 */
110#define ELFMAG1 'E' /* Magic number byte 1 */
111#define ELFMAG2 'L' /* Magic number byte 2 */
112#define ELFMAG3 'F' /* Magic number byte 3 */
113
114#define SHF_WRITE (1 << 0) /* Writable */
115#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
116#define SHF_EXECINSTR (1 << 2) /* Executable */
117
118#define SHT_NOBITS 8 /* Program space with no data (bss) */
119
120/*
121 ---------------------------------------------------------------------------
122 End of elf.h
123 ---------------------------------------------------------------------------
124*/
34 125
35static const char null_key_v1[] = "CTL:N0MAD|PDE0.SIGN."; 126static const char null_key_v1[] = "CTL:N0MAD|PDE0.SIGN.";
36static const char null_key_v2[] = "CTL:N0MAD|PDE0.DPMP."; 127static const char null_key_v2[] = "CTL:N0MAD|PDE0.DPMP.";