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Stratosphere: Fix FS permissions for <4.0.0 KIPs

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This commit is contained in:
Michael Scire 2018-10-17 16:26:36 -07:00
parent 781f2597e5
commit 5dc31f001e
10 changed files with 183 additions and 15 deletions
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46
stratosphere/pm/source/pm_main.cpp
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@ -28,6 +28,7 @@
#include "pm_process_track.hpp"
#include "pm_registration.hpp"
#include "pm_debug_monitor.hpp"
#include "smm_ams.h"
extern "C" {
extern u32 __start__;
@ -56,6 +57,20 @@ void __libnx_initheap(void) {
fake_heap_end = (char*)addr + size;
}
void RegisterPrivilegedProcessesWithFs() {
/* Ensures that all privileged processes are registered with full FS permissions. */
constexpr u64 PRIVILEGED_PROCESS_MIN = 0;
constexpr u64 PRIVILEGED_PROCESS_MAX = 0x4F;
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};
for (u64 pid = PRIVILEGED_PROCESS_MIN; pid <= PRIVILEGED_PROCESS_MAX; pid++) {
fsprUnregisterProgram(pid);
fsprRegisterProgram(pid, pid, FsStorageId_NandSystem, PRIVILEGED_FAH, sizeof(PRIVILEGED_FAH), PRIVILEGED_FAC, sizeof(PRIVILEGED_FAC));
}
}
void __appInit(void) {
Result rc;
@ -64,27 +79,33 @@ void __appInit(void) {
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_SM));
}
rc = fsInitialize();
if (R_FAILED(rc)) {
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_FS));
}
rc = lrInitialize();
rc = fsprInitialize();
if (R_FAILED(rc)) {
fatalSimple(0xCAFE << 4 | 1);
}
rc = fsprInitialize();
if (R_FAILED(rc)) {
/* This works around a bug with process permissions on < 4.0.0. */
RegisterPrivilegedProcessesWithFs();
rc = smManagerAmsInitialize();
if (R_SUCCEEDED(rc)) {
smManagerAmsEndInitialDefers();
smManagerAmsExit();
} else {
fatalSimple(0xCAFE << 4 | 2);
}
rc = ldrPmInitialize();
rc = smManagerInitialize();
if (R_FAILED(rc)) {
fatalSimple(0xCAFE << 4 | 3);
}
rc = lrInitialize();
if (R_FAILED(rc)) {
fatalSimple(0xCAFE << 4 | 4);
}
rc = smManagerInitialize();
rc = ldrPmInitialize();
if (R_FAILED(rc)) {
fatalSimple(0xCAFE << 4 | 5);
}
@ -94,6 +115,11 @@ void __appInit(void) {
fatalSimple(0xCAFE << 4 | 6);
}
rc = fsInitialize();
if (R_FAILED(rc)) {
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_FS));
}
CheckAtmosphereVersion();
}