142 lines
4.8 KiB
C
142 lines
4.8 KiB
C
/*
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VitaShell
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Copyright (C) 2015-2016, TheFloW
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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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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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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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#include <psp2kern/kernel/cpu.h>
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#include <psp2kern/kernel/modulemgr.h>
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#include <psp2kern/kernel/sysmem.h>
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#include <psp2kern/kernel/threadmgr.h>
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#include <psp2kern/io/fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <taihen.h>
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#include "appmgr_kernel.h"
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int module_get_export_func(SceUID pid, const char *modname, uint32_t libnid, uint32_t funcnid, uintptr_t *func);
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int module_get_offset(SceUID pid, SceUID modid, int segidx, size_t offset, uintptr_t *addr);
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void *(* sceAppMgrFindProcessInfoByPid)(void *data, SceUID pid);
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int (* sceAppMgrMountById)(SceUID pid, void *info, int id, const char *titleid, const char *path, const char *desired_mount_point, const void *klicensee, char *mount_point);
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int (* _ksceKernelGetModuleInfo)(SceUID pid, SceUID modid, SceKernelModuleInfo *info);
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tai_module_info_t tai_info;
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int _sceAppMgrKernelMountById(SceAppMgrMountIdArgs *args) {
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int res;
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res = module_get_export_func(KERNEL_PID, "SceKernelModulemgr", 0xC445FA63, 0xD269F915, (uintptr_t *)&_ksceKernelGetModuleInfo);
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if (res < 0)
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res = module_get_export_func(KERNEL_PID, "SceKernelModulemgr", 0x92C9FFC2, 0xDAA90093, (uintptr_t *)&_ksceKernelGetModuleInfo);
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if (res < 0)
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return res;
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// Module info
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SceKernelModuleInfo mod_info;
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mod_info.size = sizeof(SceKernelModuleInfo);
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res = _ksceKernelGetModuleInfo(KERNEL_PID, tai_info.modid, &mod_info);
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if (res < 0)
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return res;
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uint32_t appmgr_data_addr = (uint32_t)mod_info.segments[1].vaddr;
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SceUID process_id = ksceKernelGetProcessId();
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void *info = sceAppMgrFindProcessInfoByPid((void *)(appmgr_data_addr + 0x500), process_id);
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if (!info)
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return -1;
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char process_titleid[12];
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char path[256];
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char desired_mount_point[16];
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char mount_point[16];
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char klicensee[16];
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memset(mount_point, 0, sizeof(mount_point));
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if (args->process_titleid)
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ksceKernelStrncpyUserToKernel(process_titleid, (uintptr_t)args->process_titleid, 11);
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if (args->path)
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ksceKernelStrncpyUserToKernel(path, (uintptr_t)args->path, 255);
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if (args->desired_mount_point)
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ksceKernelStrncpyUserToKernel(desired_mount_point, (uintptr_t)args->desired_mount_point, 15);
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if (args->klicensee)
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ksceKernelMemcpyUserToKernel(klicensee, (uintptr_t)args->klicensee, 0x10);
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res = sceAppMgrMountById(process_id, info + 0x580, args->id, args->process_titleid ? process_titleid : NULL, args->path ? path : NULL,
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args->desired_mount_point ? desired_mount_point : NULL, args->klicensee ? klicensee : NULL, mount_point);
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if (args->mount_point)
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ksceKernelStrncpyKernelToUser((uintptr_t)args->mount_point, mount_point, 15);
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return res;
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}
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int sceAppMgrKernelMountById(SceAppMgrMountIdArgs *args) {
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uint32_t state;
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ENTER_SYSCALL(state);
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SceAppMgrMountIdArgs k_args;
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ksceKernelMemcpyUserToKernel(&k_args, (uintptr_t)args, sizeof(SceAppMgrMountIdArgs));
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int res = ksceKernelRunWithStack(0x2000, (void *)_sceAppMgrKernelMountById, &k_args);
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EXIT_SYSCALL(state);
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return res;
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}
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void _start() __attribute__ ((weak, alias("module_start")));
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int module_start(SceSize args, void *argp) {
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// Get tai module info
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tai_info.size = sizeof(tai_module_info_t);
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if (taiGetModuleInfoForKernel(KERNEL_PID, "SceAppMgr", &tai_info) < 0)
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return SCE_KERNEL_START_SUCCESS;
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switch (tai_info.module_nid) {
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case 0xDBB29DB7: // 3.60 retail
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module_get_offset(KERNEL_PID, tai_info.modid, 0, 0x2DE1, (uintptr_t *)&sceAppMgrFindProcessInfoByPid);
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module_get_offset(KERNEL_PID, tai_info.modid, 0, 0x19B51, (uintptr_t *)&sceAppMgrMountById);
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break;
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case 0x1C9879D6: // 3.65 retail
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module_get_offset(KERNEL_PID, tai_info.modid, 0, 0x2DE1, (uintptr_t *)&sceAppMgrFindProcessInfoByPid);
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module_get_offset(KERNEL_PID, tai_info.modid, 0, 0x19E61, (uintptr_t *)&sceAppMgrMountById);
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break;
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case 0x54E2E984: // 3.67 retail
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module_get_offset(KERNEL_PID, tai_info.modid, 0, 0x2DE1, (uintptr_t *)&sceAppMgrFindProcessInfoByPid);
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module_get_offset(KERNEL_PID, tai_info.modid, 0, 0x19E6D, (uintptr_t *)&sceAppMgrMountById);
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break;
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}
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return SCE_KERNEL_START_SUCCESS;
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}
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int module_stop(SceSize args, void *argp) {
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return SCE_KERNEL_STOP_SUCCESS;
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}
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