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Code Issues Releases Activity

pm: Only register privileged processes with FS as needed

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This commit is contained in:
Michael Scire 2018-11-08 05:28:52 -08:00
parent 9898a01d3b
commit cf510ad9bf
3 changed files with 19 additions and 6 deletions
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1
stratosphere/pm/pm.json
View file

@ -65,6 +65,7 @@
"svcReplyAndReceiveWithUserBuffer": "0x44", "svcReplyAndReceiveWithUserBuffer": "0x44",
"svcCreateEvent": "0x45", "svcCreateEvent": "0x45",
"svcSetUnsafeLimit": "0x4a", "svcSetUnsafeLimit": "0x4a",
"svcGetProcessList": "0x65",
"svcStartProcess": "0x7a", "svcStartProcess": "0x7a",
"svcTerminateProcess": "0x7b", "svcTerminateProcess": "0x7b",
"svcGetProcessInfo": "0x7c", "svcGetProcessInfo": "0x7c",

12
stratosphere/pm/source/pm_main.cpp
View file

@ -65,10 +65,22 @@ void RegisterPrivilegedProcessesWithFs() {
const u32 PRIVILEGED_FAH[0x1C/sizeof(u32)] = {0x00000001, 0x00000000, 0x80000000, 0x0000001C, 0x00000000, 0x0000001C, 0x00000000}; const u32 PRIVILEGED_FAH[0x1C/sizeof(u32)] = {0x00000001, 0x00000000, 0x80000000, 0x0000001C, 0x00000000, 0x0000001C, 0x00000000};
const u32 PRIVILEGED_FAC[0x2C/sizeof(u32)] = {0x00000001, 0x00000000, 0x80000000, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF}; const u32 PRIVILEGED_FAC[0x2C/sizeof(u32)] = {0x00000001, 0x00000000, 0x80000000, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF};
u32 num_pids;
u64 pids[PRIVILEGED_PROCESS_MAX+1];
if (R_SUCCEEDED(svcGetProcessList(&num_pids, pids, sizeof(pids)/sizeof(pids[0])))) {
for (u32 i = 0; i < num_pids; i++) {
const u64 pid = pids[i];
if (PRIVILEGED_PROCESS_MIN <= pid && pid <= PRIVILEGED_PROCESS_MAX) {
fsprUnregisterProgram(pid);
fsprRegisterProgram(pid, pid, FsStorageId_NandSystem, PRIVILEGED_FAH, sizeof(PRIVILEGED_FAH), PRIVILEGED_FAC, sizeof(PRIVILEGED_FAC));
}
}
} else {
for (u64 pid = PRIVILEGED_PROCESS_MIN; pid <= PRIVILEGED_PROCESS_MAX; pid++) { for (u64 pid = PRIVILEGED_PROCESS_MIN; pid <= PRIVILEGED_PROCESS_MAX; pid++) {
fsprUnregisterProgram(pid); fsprUnregisterProgram(pid);
fsprRegisterProgram(pid, pid, FsStorageId_NandSystem, PRIVILEGED_FAH, sizeof(PRIVILEGED_FAH), PRIVILEGED_FAC, sizeof(PRIVILEGED_FAC)); fsprRegisterProgram(pid, pid, FsStorageId_NandSystem, PRIVILEGED_FAH, sizeof(PRIVILEGED_FAH), PRIVILEGED_FAC, sizeof(PRIVILEGED_FAC));
} }
}
} }
void __appInit(void) { void __appInit(void) {

6
stratosphere/pm/source/pm_registration.cpp
View file

@ -292,15 +292,15 @@ void Registration::FinalizeExitedProcess(std::shared_ptr<Registration::Process>
bool signal_debug_process_5x = kernelAbove500() && process->flags & PROCESSFLAGS_NOTIFYWHENEXITED; bool signal_debug_process_5x = kernelAbove500() && process->flags & PROCESSFLAGS_NOTIFYWHENEXITED;
/* Unregister with FS. */ /* Unregister with FS. */
if (R_FAILED(fsprUnregisterProgram(process->pid))) { if (R_FAILED(fsprUnregisterProgram(process->pid))) {
/* TODO: Panic. */ std::abort();
} }
/* Unregister with SM. */ /* Unregister with SM. */
if (R_FAILED(smManagerUnregisterProcess(process->pid))) { if (R_FAILED(smManagerUnregisterProcess(process->pid))) {
/* TODO: Panic. */ std::abort();
} }
/* Unregister with LDR. */ /* Unregister with LDR. */
if (R_FAILED(ldrPmUnregisterTitle(process->ldr_queue_index))) { if (R_FAILED(ldrPmUnregisterTitle(process->ldr_queue_index))) {
/* TODO: Panic. */ std::abort();
} }
/* Close the process's handle. */ /* Close the process's handle. */