93 lines
4.8 KiB
C
93 lines
4.8 KiB
C
/****************************************************************************
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* Copyright (C) 2016-2018 Maschell
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* With code from chadderz and dimok
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#ifndef _FUNCTION_PATCHER_HOOKS_H_
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#define _FUNCTION_PATCHER_HOOKS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <dynamic_libs/os_functions.h>
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#include <wups.h>
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struct rpl_handling {
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wups_loader_library_type_t library;
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const char rplname[15];
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uint32_t handle;
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};
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#define STATIC_FUNCTION 0
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#define DYNAMIC_FUNCTION 1
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#define FUNCTION_PATCHER_METHOD_STORE_SIZE 13
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#define MAXIMUM_PLUGIN_PATH_NAME_LENGTH 256
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#define MAXIMUM_PLUGIN_NAME_LENGTH 51
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#define MAXIMUM_FUNCTION_NAME_LENGTH 61
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struct replacement_data_function_t {
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uint32_t replaceAddr; /* [needs to be filled] Address of our replacement function */
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uint32_t replaceCall; /* [needs to be filled] Address to access the real_function */
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wups_loader_library_type_t library; /* [needs to be filled] rpl where the function we want to replace is. */
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char function_name[MAXIMUM_FUNCTION_NAME_LENGTH]; /* [needs to be filled] name of the function we want to replace */
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uint32_t realAddr; /* [will be filled] Address of the real function we want to replace. */
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volatile uint32_t replace_data [FUNCTION_PATCHER_METHOD_STORE_SIZE]; /* [will be filled] Space for us to store some jump instructions */
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uint32_t restoreInstruction; /* [will be filled] Copy of the instruction we replaced to jump to our code. */
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uint8_t functionType; /* [will be filled] */
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uint8_t alreadyPatched; /* [will be filled] */
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};
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struct replacement_data_hook_t {
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void * func_pointer = NULL; /* [will be filled] */
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wups_loader_hook_type_t type; /* [will be filled] */
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};
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#define MAXIMUM_HOOKS_PER_PLUGIN 10
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#define MAXIMUM_FUNCTION_PER_PLUGIN 100
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struct replacement_data_plugin_t {
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char path[MAXIMUM_PLUGIN_PATH_NAME_LENGTH] = ""; // Path where the plugin is stored
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char plugin_name[MAXIMUM_PLUGIN_NAME_LENGTH] = ""; // Name of this plugin
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int32_t priority; // Priority of this plugin
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int32_t number_used_functions; // Number of used function. Maximum is MAXIMUM_FUNCTION_PER_PLUGIN
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replacement_data_function_t functions[MAXIMUM_FUNCTION_PER_PLUGIN]; // Replacement information for each function.
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int32_t number_used_hooks; // Number of used hooks. Maximum is MAXIMUM_HOOKS_PER_PLUGIN
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replacement_data_hook_t hooks[MAXIMUM_HOOKS_PER_PLUGIN]; // Replacement information for each function.
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bool kernel_allowed; // Allow kernel access for the plugin!?!.
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bool kernel_init_done; // KernelInit was done
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};
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#define MAXIMUM_PLUGINS 32
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struct replacement_data_t {
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int32_t number_used_plugins = 0; // Number of used function. Maximum is MAXIMUM_FUNCTION_PER_PLUGIN
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replacement_data_plugin_t plugin_data[MAXIMUM_PLUGINS];
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};
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void new_PatchInvidualMethodHooks(replacement_data_plugin_t * data);
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void new_RestoreInvidualInstructions(replacement_data_plugin_t * plugin_data);
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uint32_t new_GetAddressOfFunction(const char * functionName,wups_loader_library_type_t library);
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int32_t new_isDynamicFunction(uint32_t physicalAddress);
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void new_resetLibs();
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FUNCTION_PATCHER_HOOKS_H_ */
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