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https://github.com/Atmosphere-NX/Atmosphere
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pm: Only register privileged processes with FS as needed
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parent
9898a01d3b
commit
cf510ad9bf
3 changed files with 19 additions and 6 deletions
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@ -65,6 +65,7 @@
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"svcReplyAndReceiveWithUserBuffer": "0x44",
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"svcCreateEvent": "0x45",
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"svcSetUnsafeLimit": "0x4a",
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"svcGetProcessList": "0x65",
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"svcStartProcess": "0x7a",
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"svcTerminateProcess": "0x7b",
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"svcGetProcessInfo": "0x7c",
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@ -65,10 +65,22 @@ void RegisterPrivilegedProcessesWithFs() {
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const u32 PRIVILEGED_FAH[0x1C/sizeof(u32)] = {0x00000001, 0x00000000, 0x80000000, 0x0000001C, 0x00000000, 0x0000001C, 0x00000000};
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const u32 PRIVILEGED_FAC[0x2C/sizeof(u32)] = {0x00000001, 0x00000000, 0x80000000, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF};
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u32 num_pids;
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u64 pids[PRIVILEGED_PROCESS_MAX+1];
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if (R_SUCCEEDED(svcGetProcessList(&num_pids, pids, sizeof(pids)/sizeof(pids[0])))) {
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for (u32 i = 0; i < num_pids; i++) {
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const u64 pid = pids[i];
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if (PRIVILEGED_PROCESS_MIN <= pid && pid <= PRIVILEGED_PROCESS_MAX) {
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fsprUnregisterProgram(pid);
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fsprRegisterProgram(pid, pid, FsStorageId_NandSystem, PRIVILEGED_FAH, sizeof(PRIVILEGED_FAH), PRIVILEGED_FAC, sizeof(PRIVILEGED_FAC));
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}
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}
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} else {
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for (u64 pid = PRIVILEGED_PROCESS_MIN; pid <= PRIVILEGED_PROCESS_MAX; pid++) {
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fsprUnregisterProgram(pid);
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fsprRegisterProgram(pid, pid, FsStorageId_NandSystem, PRIVILEGED_FAH, sizeof(PRIVILEGED_FAH), PRIVILEGED_FAC, sizeof(PRIVILEGED_FAC));
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}
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}
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}
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void __appInit(void) {
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@ -292,15 +292,15 @@ void Registration::FinalizeExitedProcess(std::shared_ptr<Registration::Process>
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bool signal_debug_process_5x = kernelAbove500() && process->flags & PROCESSFLAGS_NOTIFYWHENEXITED;
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/* Unregister with FS. */
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if (R_FAILED(fsprUnregisterProgram(process->pid))) {
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/* TODO: Panic. */
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std::abort();
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}
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/* Unregister with SM. */
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if (R_FAILED(smManagerUnregisterProcess(process->pid))) {
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/* TODO: Panic. */
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std::abort();
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}
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/* Unregister with LDR. */
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if (R_FAILED(ldrPmUnregisterTitle(process->ldr_queue_index))) {
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/* TODO: Panic. */
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std::abort();
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}
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/* Close the process's handle. */
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