345 lines
9.5 KiB
C
345 lines
9.5 KiB
C
//MakePSMGreatAgain
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//Build a wall and make Sony pay for it!
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//Probably with he money they stole from us
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//by deleting our PSM Purchases
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#include <psp2/kernel/modulemgr.h>
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#include <taihen.h>
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#include <string.h>
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#include <vitasdk.h>
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#include "licenseinfo.h"
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static SceUID CacheMounted;
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static tai_hook_ref_t CacheMounted_ref;
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static SceUID SuiteCheckDrm;
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static tai_hook_ref_t SuiteCheckDrm_ref;
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static SceUID UnityCheckDrm;
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static tai_hook_ref_t UnityCheckDrm_ref;
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static SceUID SecurityCritical;
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static tai_hook_ref_t SecurityCritical_ref;
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static SceUID PeekPositive;
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static tai_hook_ref_t PeekPositive_ref;
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static SceUID LoadModuleHook = -1;
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static tai_hook_ref_t LoadModuleHook_ref;
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char titleid[12];
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int getFileSize(const char *file) {
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SceUID fd = sceIoOpen(file, SCE_O_RDONLY, 0);
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if (fd < 0)
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return fd;
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int fileSize = sceIoLseek(fd, 0, SCE_SEEK_END);
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sceIoClose(fd);
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return fileSize;
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}
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int fileExists(const char *file) {
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if(getFileSize(file) <= 0)
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{
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return 0;
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}
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else
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{
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return 1;
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}
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}
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int ReadFile(char *file, void *buf, int size) {
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SceUID fd = sceIoOpen(file, SCE_O_WRONLY | SCE_O_CREAT | SCE_O_TRUNC, 0777);
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if (fd < 0)
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return fd;
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int read = sceIoRead(fd, buf, size);
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sceIoClose(fd);
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return read;
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}
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int WriteFile(char *file, void *buf, int size) {
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SceUID fd = sceIoOpen(file, SCE_O_WRONLY | SCE_O_CREAT | SCE_O_TRUNC, 0777);
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if (fd < 0)
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return fd;
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int written = sceIoWrite(fd, buf, size);
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sceIoClose(fd);
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return written;
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}
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static int sceCtrlPeekBufferPositive_patched(int port, SceCtrlData *ctrl, int count) {
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int ret = TAI_CONTINUE(int, PeekPositive_ref, port, ctrl, count);
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if((ctrl->buttons & (SCE_CTRL_START|SCE_CTRL_UP)) == (SCE_CTRL_START|SCE_CTRL_UP))
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{
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sceAppMgrSetInfobarState(0, 0, 0);
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sceAppMgrLoadExec("app0:/eboot.bin", 0, 0);
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}
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return ret;
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}
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int sceAppUtilCacheMount_patched(){
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int ret;
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ret = TAI_CONTINUE(int, CacheMounted_ref);
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sceIoMkdir("cache0:/_System",6);
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if(!fileExists("cache0:/_System/Code"))
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{
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sceClibPrintf("Writing 'Code'\n");
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if(!strcmp(titleid,"PCSI00007"))
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WriteFile("cache0:/_System/Code",&SUITE_CODE,sizeof(SUITE_CODE));
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else
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WriteFile("cache0:/_System/Code",&UNITY_CODE,sizeof(UNITY_CODE));
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}
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if(!fileExists("cache0:/_System/target_kdbg_list.dat"))
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{
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sceClibPrintf("Writing 'target_kdbg_list'\n");
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if(!strcmp(titleid,"PCSI00007"))
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WriteFile("cache0:/_System/target_kdbg_list.dat",&SUITE_TARGET,sizeof(SUITE_TARGET));
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else
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WriteFile("cache0:/_System/target_kdbg_list.dat",&UNITY_TARGET,sizeof(UNITY_TARGET));
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}
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if(!fileExists("cache0:/_System/vseed.dat"))
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{
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sceClibPrintf("Writing 'vseed'\n");
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if(!strcmp(titleid,"PCSI00007"))
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WriteFile("cache0:/_System/vseed.dat",&SUITE_VSEED,sizeof(SUITE_VSEED));
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else
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WriteFile("cache0:/_System/vseed.dat",&UNITY_VSEED,sizeof(UNITY_VSEED));
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}
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if(!fileExists("cache0:/_System/protected_kconsole_cache.dat"))
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{
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sceClibPrintf("Writing 'protected_kconsole_cache'\n");
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if(!strcmp(titleid,"PCSI00007"))
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WriteFile("cache0:/_System/protected_kconsole_cache.dat",&SUITE_KCONSOLE, sizeof(SUITE_KCONSOLE));
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else
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WriteFile("cache0:/_System/protected_kconsole_cache.dat",&UNITY_KCONSOLE, sizeof(UNITY_KCONSOLE));
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}
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if(!fileExists("cache0:/_System/psmdrmboot.dat"))
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{
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sceClibPrintf("Writing 'psmdrmboot'\n");
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if(!strcmp(titleid,"PCSI00007"))
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WriteFile("cache0:/_System/psmdrmboot.dat",&SUITE_PSMDRMBOOT, sizeof(SUITE_PSMDRMBOOT));
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else
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WriteFile("cache0:/_System/psmdrmboot.dat",&UNITY_PSMDRMBOOT, sizeof(UNITY_PSMDRMBOOT));
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}
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return ret;
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}
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int ret0 (int *args)
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{
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return 0;
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}
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SceUID sceKernelLoadStartModule_patched(char *path, SceSize args, void *argp, int flags, SceKernelLMOption *option, int *status)
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{
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SceUID ret;
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ret = TAI_CONTINUE(SceUID, LoadModuleHook_ref, path, args, argp, flags, option, status);
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if(strstr(path,"libmono.suprx")) //PSM
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{
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SecurityCritical = taiHookFunctionExport(&SecurityCritical_ref,
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"SceLibMono",
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TAI_ANY_LIBRARY,
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0x02A867BC, //mono_security_enable_core_clr
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ret0);
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sceClibPrintf("SecurityCritical: %x\n",SecurityCritical);
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}
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if(strstr(path,"libmono_bridge.suprx")) //PSM
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{
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/*
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int SceLibMonoBridge_70493FB9
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(char *sdk_version,undefined4 param_2,uint param_3,uint param_4,char *project_name,
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undefined4 param_6,void *output)
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find offset by following the 5th paramater, into 3 different functions.
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you'll come accross a strcmp, lower down is a if(*unk_whatever = 1)
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thats the jump you wnat to patch.
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*/
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tai_module_info_t info;
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info.size = sizeof(tai_module_info_t);
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taiGetModuleInfo("SceLibMonoBridge", &info);
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uint16_t patched_instruction = 0xBF00; //ARM9 "NO OPERATION"
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int ret = 0;
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sceClibPrintf("%s: nid 0x%x\n",path,info.module_nid);
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switch(info.module_nid)
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{
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case 0x28D9013B: //SDK 2.00
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ret = taiInjectData(info.modid, 0, 0x132F8, &patched_instruction, 0x2);
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sceClibPrintf("TaiInjectData (sdk2.00) %x\n",ret);
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break;
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case 0x88B67542: //SDK 1.21
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ret = taiInjectData(info.modid, 0, 0x12e48, &patched_instruction, 0x2);
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sceClibPrintf("TaiInjectData (sdk1.21) %x\n",ret);
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break;
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}
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}
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if(strstr(path,"libpsm.suprx")) //PSM
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{
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PeekPositive = taiHookFunctionImport(&PeekPositive_ref,
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"SceLibPsm",
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TAI_ANY_LIBRARY,
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0xA9C3CED6, // sceCtrlPeekBufferPositive
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sceCtrlPeekBufferPositive_patched);
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sceClibPrintf("PeekPositive: %x\n",PeekPositive);
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}
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if(strstr(path,"libScePsmEdata.suprx")) //PSM Unity
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{
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/*
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finding offsets for project_name
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look at int ScePsmEdata_2EC7439C(int param_1,undefined4 param_2,uint param_3,uint param_4,char *project_name)
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find offset by following the 5th paramater, into 3 different functions.
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you'll come accross a strcmp, lower down is a if(*unk_whatever = 1)
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thats the jump you wnat to patch.
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for UnityCheckDrm look for sceIoGetStat,
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look at all cross references and the function
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that contiains one that has arg1 "cache0:/_System"
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is UnityCheckDrm().
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*/
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tai_module_info_t info;
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info.size = sizeof(tai_module_info_t);
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taiGetModuleInfo("ScePsmEdata", &info);
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uint16_t patched_instruction = 0xBF00; //ARM9 "NO OPERATION"
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int ret = 0;
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sceClibPrintf("%s: nid 0x%x\n",path,info.module_nid);
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switch(info.module_nid)
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{
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case 0xB4657632: //Unity 4.3.7.0
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ret = taiInjectData(info.modid, 0, 0x3b50, &patched_instruction, 0x2); //allow for all project_name
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sceClibPrintf("TaiInjectData (unity4.3.7.0) %x\n",ret);
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UnityCheckDrm = taiHookFunctionOffset(&UnityCheckDrm_ref,
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info.modid,
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0,
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0x5a62, //PsmDrmBootCheck
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1,
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ret0);
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sceClibPrintf("UnityCheckDrm: %x\n",UnityCheckDrm);
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break;
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case 0x21AE6754: //Unity Base
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ret = taiInjectData(info.modid, 0, 0x10f9c, &patched_instruction, 0x2); //allow for all project_name
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sceClibPrintf("TaiInjectData (unity base) %x\n",ret);
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UnityCheckDrm = taiHookFunctionOffset(&UnityCheckDrm_ref,
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info.modid,
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0,
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0x12eb2, //PsmDrmBootCheck
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1,
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ret0);
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sceClibPrintf("UnityCheckDrm: %x\n",UnityCheckDrm);
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break;
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}
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}
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return ret;
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}
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void _start() __attribute__ ((weak, alias ("module_start")));
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void module_start(SceSize argc, const void *args) {
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sceAppMgrAppParamGetString(0, 12, titleid, 256);
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if(!strcmp(titleid,"PCSI00007"))
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{
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tai_module_info_t tai_info;
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tai_info.size = sizeof(tai_module_info_t);
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taiGetModuleInfo("ScePsmDev", &tai_info);
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SuiteCheckDrm = taiHookFunctionOffset(&SuiteCheckDrm_ref,
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tai_info.modid,
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0,
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0xbe2, //SuiteCheckDrm
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1,
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ret0);
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sceClibPrintf("SuiteCheckDrmHook: %x\n",SuiteCheckDrm);
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}
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if(!strcmp(titleid,"PCSI00009"))
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{
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tai_module_info_t tai_info;
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tai_info.size = sizeof(tai_module_info_t);
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taiGetModuleInfo(TAI_MAIN_MODULE, &tai_info);
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if(strstr(tai_info.name, "Unity"))
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{
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PeekPositive = taiHookFunctionImport(&PeekPositive_ref,
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TAI_MAIN_MODULE,
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TAI_ANY_LIBRARY,
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0x15F81E8C, // sceCtrlPeekBufferPositive2
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sceCtrlPeekBufferPositive_patched);
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sceClibPrintf("PeekPositive: %x\n",PeekPositive);
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}
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}
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if(!strcmp(titleid,"PCSI00007") || !strcmp(titleid,"PCSI00009")) // PSM Runtime & PSM Unity Runtime
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{
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sceClibPrintf("Silca: I like to see girls die :3\n");
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sceClibPrintf("Loaded!\n");
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sceClibPrintf("Running on %s\n",titleid);
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CacheMounted = taiHookFunctionImport(&CacheMounted_ref,
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TAI_MAIN_MODULE,
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TAI_ANY_LIBRARY,
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0x0AA56143, //sceAppUtilCacheMount
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sceAppUtilCacheMount_patched);
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LoadModuleHook = taiHookFunctionImport(&LoadModuleHook_ref,
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TAI_MAIN_MODULE,
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TAI_ANY_LIBRARY,
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0x2DCC4AFA, //sceKernelLoadStartModule
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sceKernelLoadStartModule_patched);
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sceClibPrintf("LoadModuleHook: %x\n",LoadModuleHook);
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}
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}
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int module_stop(SceSize argc, const void *args) {
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// release hooks
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if (CacheMounted >= 0) taiHookRelease(CacheMounted, CacheMounted_ref);
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if (SuiteCheckDrm >= 0) taiHookRelease(SuiteCheckDrm, SuiteCheckDrm_ref);
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if (UnityCheckDrm >= 0) taiHookRelease(UnityCheckDrm, UnityCheckDrm_ref);
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if (SecurityCritical >= 0) taiHookRelease(SecurityCritical, SecurityCritical_ref);
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if (PeekPositive >= 0) taiHookRelease(PeekPositive, PeekPositive_ref);
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if (LoadModuleHook >= 0) taiHookRelease(LoadModuleHook, LoadModuleHook_ref);
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return SCE_KERNEL_STOP_SUCCESS;
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}
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