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1/*␊
2 * Module Loading functionality␊
3 * Copyright 2009-2015 Evan Lojewski. All rights reserved.␊
4 *␊
5 */␊
6␊
7#include <saio_types.h>␊
8#include <mach-o/loader.h>␊
9#include <mach-o/nlist.h>␊
10␊
11␊
12#ifndef __BOOT_MODULES_H␊
13#define __BOOT_MODULES_H␊
14␊
15#define MODULE_PATH␉␉"/Extra/modules/"␊
16␊
17#define SYMBOLS_MODULE␉␉"Symbols.dylib"␊
18#define SYMBOLS_AUTHOR␉␉"Chameleon"␊
19#define SYMBOLS_DESCRIPTION␉"Chameleon symbols for linking"␊
20#define SYMBOLS_VERSION␉␉0␊
21#define SYMBOLS_COMPAT␉␉0␊
22␊
23#define VOID_SYMBOL␉␉"dyld_void_start"␊
24␊
25␊
26␊
27typedef struct symbolList_t␊
28{␊
29␉char␉␉␉*symbol;␊
30␉UInt64␉␉␉addr;␊
31␉struct symbolList_t␉*next;␊
32} symbolList_t;␊
33␊
34typedef struct callbackList_t␊
35{␊
36␉void(*callback)(void*, void*, void*, void*);␊
37␉struct callbackList_t *next;␊
38} callbackList_t;␊
39␊
40typedef struct moduleHook_t␊
41{␊
42␉const char *name;␊
43␉callbackList_t *callbacks;␊
44␉struct moduleHook_t *next;␊
45} moduleHook_t;␊
46␊
47typedef struct modulesList_t␊
48{␊
49␉const char␉␉*name;␊
50␉const char␉␉*author;␊
51␉const char␉␉*description;␊
52␉UInt32␉␉␉version;␊
53␉UInt32␉␉␉compat;␊
54␉struct modulesList_t␉*next;␊
55} moduleList_t;␊
56␊
57␊
58␊
59int init_module_system();␊
60void load_all_modules();␊
61␊
62void start_built_in_module(const char␉*name,␊
63 const char␉*author,␊
64 const char␉*description,␊
65 UInt32␉version,␊
66 UInt32␉compat,␊
67 void(*start_function)(void));␊
68␊
69int load_module(char* module);␊
70int is_module_loaded(const char* name);␊
71void module_loaded(const char *name, void *start, const char *author, const char *description, UInt32 version, UInt32 compat);␊
72␊
73␊
74␊
75␊
76/********************************************************************************/␊
77/*␉Symbol Functions␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉*/␊
78/********************************************************************************/␊
79long long␉␉add_symbol(char *symbol, long long addr, char is64);␊
80unsigned int␉lookup_all_symbols(const char *name);␊
81␊
82␊
83␊
84/********************************************************************************/␊
85/*␉Macho Parser␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉*/␊
86/********************************************************************************/␊
87void*␉␉␉parse_mach(void *binary, ␊
88␉␉␉␉␉␉␉int(*dylib_loader)(char*),␊
89␉␉␉␉␉␉␉long long(*symbol_handler)(char*, long long, char),␊
90 void (*section_handler)(char *section, char *segment, void *cmd, UInt64 offset, UInt64 address)␊
91 );␊
92unsigned int␉handle_symtable(UInt32 base,␊
93␉␉␉␉␉␉␉ struct symtab_command *symtabCommand,␊
94␉␉␉␉␉␉␉ long long(*symbol_handler)(char*, long long, char),␊
95␉␉␉␉␉␉␉ char is64);␊
96void␉␉␉rebase_macho(void *base, char *rebase_stream, UInt32 size);␊
97␊
98void␉␉␉bind_macho(void *base, UInt8 *bind_stream, UInt32 size);␊
99␊
100␊
101/********************************************************************************/␊
102/*␉Module Interface␉␉␉␉␉␉␉␉␉␉␉␉␉␉*/␊
103/********************************************************************************/␊
104int␉␉replace_function(const char *symbol, void *newAddress);␊
105int␉␉execute_hook(const char *name, void*, void*, void*, void*);␊
106void␉␉register_hook_callback(const char* name, void(*callback)(void*, void*, void*, void*));␊
107moduleHook_t␉*hook_exists(const char* name);␊
108␊
109#if DEBUG_MODULES␊
110void␉␉␉print_hook_list();␊
111#endif␊
112␊
113/********************************************************************************/␊
114/*␉dyld Interface␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉*/␊
115/********************************************************************************/␊
116void dyld_stub_binder();␊
117␊
118#endif /* __BOOT_MODULES_H */␊
119

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