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Loader: Add ldr:ro->LoadNro()

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This commit is contained in:
Michael Scire 2018-04-27 03:17:07 -06:00
parent 10171313df
commit 772e41971d
6 changed files with 288 additions and 25 deletions
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88
stratosphere/loader/source/ldr_nro.cpp
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@ -4,6 +4,7 @@
#include <cstring>
#include <picosha2.hpp>
#include "ldr_nro.hpp"
#include "ldr_registration.hpp"
#include "ldr_map.hpp"
#include "ldr_random.hpp"
@ -24,5 +25,92 @@ Result NroUtils::ValidateNrrHeader(NrrHeader *header, u64 size, u64 title_id_min
return 0x6A09;
}
return 0x0;
}
Result NroUtils::LoadNro(Registration::Process *target_proc, Handle process_h, u64 nro_heap_address, u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size, u64 *out_address) {
NroHeader *nro;
MappedCodeMemory mcm_nro;
MappedCodeMemory mcm_bss;
unsigned int i;
Result rc;
u8 nro_hash[0x20];
/* Ensure there is an available NRO slot. */
for (i = 0; i < NRO_INFO_MAX; i++) {
if (!target_proc->nro_infos[i].in_use) {
break;
}
}
if (i >= NRO_INFO_MAX) {
return 0x6E09;
}
for (i = 0; i < 0x200; i++) {
if (R_SUCCEEDED(mcm_nro.Open(process_h, target_proc->is_64_bit_addspace, nro_heap_address, nro_heap_size))) {
if (R_SUCCEEDED(mcm_bss.OpenAtAddress(process_h, bss_heap_address, bss_heap_size, nro_heap_address + nro_heap_size))) {
break;
} else {
mcm_nro.Close();
}
}
}
if (i >= 0x200) {
return 0x6609;
}
if (R_FAILED((rc = mcm_nro.Map()))) {
goto LOAD_NRO_END;
}
nro = (NroHeader *)mcm_nro.mapped_address;
if (nro->magic != MAGIC_NRO0) {
rc = 0x6809;
goto LOAD_NRO_END;
}
if (nro->nro_size != nro_heap_size || nro->bss_size != bss_heap_size) {
rc = 0x6809;
goto LOAD_NRO_END;
}
if ((nro->text_size & 0xFFF) || (nro->ro_size & 0xFFF) || (nro->rw_size & 0xFFF) || (nro->bss_size & 0xFFF)) {
rc = 0x6809;
goto LOAD_NRO_END;
}
if (nro->text_offset != 0 || nro->text_offset + nro->text_size != nro->ro_offset || nro->ro_offset + nro->ro_size != nro->rw_offset || nro->rw_offset + nro->rw_size != nro->nro_size) {
rc = 0x6809;
goto LOAD_NRO_END;
}
picosha2::hash256((u8 *)nro, (u8 *)nro + nro->nro_size, nro_hash, nro_hash + sizeof(nro_hash));
if (!Registration::IsNroHashPresent(target_proc->index, nro_hash)) {
rc = 0x6C09;
goto LOAD_NRO_END;
}
if (Registration::IsNroAlreadyLoaded(target_proc->index, nro_hash)) {
rc = 0x7209;
goto LOAD_NRO_END;
}
if (R_FAILED((rc = svcSetProcessMemoryPermission(process_h, mcm_nro.code_memory_address, nro->text_size, 5)))) {
goto LOAD_NRO_END;
}
if (R_FAILED((rc = svcSetProcessMemoryPermission(process_h, mcm_nro.code_memory_address + nro->ro_offset, nro->ro_size, 1)))) {
goto LOAD_NRO_END;
}
if (R_FAILED((rc = svcSetProcessMemoryPermission(process_h, mcm_nro.code_memory_address + nro->rw_offset, nro->rw_size + nro->bss_size, 3)))) {
goto LOAD_NRO_END;
}
Registration::AddNroToProcess(target_proc->index, &mcm_nro, &mcm_bss, nro->text_size, nro->ro_size, nro->rw_size, nro->build_id);
mcm_nro.Unmap();
mcm_bss.Unmap();
rc = 0x0;
LOAD_NRO_END:
if (R_FAILED(rc)) {
mcm_nro.Close();
mcm_bss.Close();
}
return 0x0;
}