mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-13 03:22:28 +00:00
168 lines
5.9 KiB
C++
168 lines
5.9 KiB
C++
#include <switch.h>
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#include <cstdio>
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#include <algorithm>
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#include "ldr_ro_service.hpp"
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#include "ldr_registration.hpp"
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#include "ldr_map.hpp"
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#include "ldr_nro.hpp"
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Result RelocatableObjectsService::dispatch(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id, u8 *pointer_buffer, size_t pointer_buffer_size) {
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Result rc = 0xF601;
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switch ((RoServiceCmd)cmd_id) {
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case Ro_Cmd_LoadNro:
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rc = WrapIpcCommandImpl<&RelocatableObjectsService::load_nro>(this, r, out_c, pointer_buffer, pointer_buffer_size);
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break;
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case Ro_Cmd_UnloadNro:
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rc = WrapIpcCommandImpl<&RelocatableObjectsService::unload_nro>(this, r, out_c, pointer_buffer, pointer_buffer_size);
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break;
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case Ro_Cmd_LoadNrr:
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rc = WrapIpcCommandImpl<&RelocatableObjectsService::load_nrr>(this, r, out_c, pointer_buffer, pointer_buffer_size);
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break;
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case Ro_Cmd_UnloadNrr:
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rc = WrapIpcCommandImpl<&RelocatableObjectsService::unload_nrr>(this, r, out_c, pointer_buffer, pointer_buffer_size);
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break;
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case Ro_Cmd_Initialize:
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rc = WrapIpcCommandImpl<&RelocatableObjectsService::initialize>(this, r, out_c, pointer_buffer, pointer_buffer_size);
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break;
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default:
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break;
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}
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return rc;
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}
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std::tuple<Result, u64> RelocatableObjectsService::load_nro(PidDescriptor pid_desc, u64 nro_address, u64 nro_size, u64 bss_address, u64 bss_size) {
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Result rc;
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u64 out_address = 0;
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Registration::Process *target_proc = NULL;
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if (!this->has_initialized || this->process_id != pid_desc.pid) {
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rc = 0xAE09;
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goto LOAD_NRO_END;
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}
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if (nro_address & 0xFFF) {
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rc = 0xA209;
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goto LOAD_NRO_END;
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}
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if (nro_address + nro_size <= nro_address || !nro_size || (nro_size & 0xFFF)) {
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rc = 0xA409;
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goto LOAD_NRO_END;
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}
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if (bss_size && bss_address + bss_size <= bss_address) {
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rc = 0xA409;
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goto LOAD_NRO_END;
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}
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/* Ensure no overflow for combined sizes. */
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if (U64_MAX - nro_size < bss_size) {
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rc = 0xA409;
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goto LOAD_NRO_END;
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}
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target_proc = Registration::GetProcessByProcessId(pid_desc.pid);
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if (target_proc == NULL || (target_proc->owner_ro_service != NULL && (RelocatableObjectsService *)(target_proc->owner_ro_service) != this)) {
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rc = 0xAC09;
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goto LOAD_NRO_END;
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}
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target_proc->owner_ro_service = this;
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rc = NroUtils::LoadNro(target_proc, this->process_handle, nro_address, nro_size, bss_address, bss_size, &out_address);
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LOAD_NRO_END:
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return std::make_tuple(rc, out_address);
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}
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std::tuple<Result> RelocatableObjectsService::unload_nro(PidDescriptor pid_desc, u64 nro_address) {
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Registration::Process *target_proc = NULL;
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if (!this->has_initialized || this->process_id != pid_desc.pid) {
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return 0xAE09;
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}
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if (nro_address & 0xFFF) {
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return 0xA209;
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}
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target_proc = Registration::GetProcessByProcessId(pid_desc.pid);
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if (target_proc == NULL || (target_proc->owner_ro_service != NULL && (RelocatableObjectsService *)(target_proc->owner_ro_service) != this)) {
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return 0xAC09;
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}
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target_proc->owner_ro_service = this;
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return Registration::RemoveNroInfo(target_proc->index, this->process_handle, nro_address);
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}
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std::tuple<Result> RelocatableObjectsService::load_nrr(PidDescriptor pid_desc, u64 nrr_address, u64 nrr_size) {
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Result rc;
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Registration::Process *target_proc = NULL;
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MappedCodeMemory nrr_info = {0};
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if (!this->has_initialized || this->process_id != pid_desc.pid) {
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rc = 0xAE09;
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goto LOAD_NRR_END;
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}
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if (nrr_address & 0xFFF) {
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rc = 0xA209;
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goto LOAD_NRR_END;
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}
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if (nrr_address + nrr_size <= nrr_address || !nrr_size || (nrr_size & 0xFFF)) {
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rc = 0xA409;
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goto LOAD_NRR_END;
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}
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target_proc = Registration::GetProcessByProcessId(pid_desc.pid);
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if (target_proc == NULL || (target_proc->owner_ro_service != NULL && (RelocatableObjectsService *)(target_proc->owner_ro_service) != this)) {
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rc = 0xAC09;
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goto LOAD_NRR_END;
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}
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target_proc->owner_ro_service = this;
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if (R_FAILED((rc = nrr_info.Open(this->process_handle, target_proc->is_64_bit_addspace, nrr_address, nrr_size)))) {
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goto LOAD_NRR_END;
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}
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if (R_FAILED((rc = nrr_info.Map()))) {
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goto LOAD_NRR_END;
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}
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rc = NroUtils::ValidateNrrHeader((NroUtils::NrrHeader *)nrr_info.mapped_address, nrr_size, target_proc->title_id_min);
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if (R_SUCCEEDED(rc)) {
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Registration::AddNrrInfo(target_proc->index, &nrr_info);
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}
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LOAD_NRR_END:
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if (R_FAILED(rc)) {
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if (nrr_info.IsActive()) {
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nrr_info.Close();
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}
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}
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return std::make_tuple(rc);
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}
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std::tuple<Result> RelocatableObjectsService::unload_nrr(PidDescriptor pid_desc, u64 nrr_address) {
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Registration::Process *target_proc = NULL;
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if (!this->has_initialized || this->process_id != pid_desc.pid) {
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return 0xAE09;
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}
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if (nrr_address & 0xFFF) {
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return 0xA209;
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}
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target_proc = Registration::GetProcessByProcessId(pid_desc.pid);
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if (target_proc == NULL || (target_proc->owner_ro_service != NULL && (RelocatableObjectsService *)(target_proc->owner_ro_service) != this)) {
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return 0xAC09;
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}
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target_proc->owner_ro_service = this;
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return Registration::RemoveNrrInfo(target_proc->index, nrr_address);
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}
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std::tuple<Result> RelocatableObjectsService::initialize(PidDescriptor pid_desc, CopiedHandle process_h) {
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u64 handle_pid;
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Result rc = 0xAE09;
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if (R_SUCCEEDED(svcGetProcessId(&handle_pid, process_h.handle)) && handle_pid == pid_desc.pid) {
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if (this->has_initialized) {
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svcCloseHandle(this->process_handle);
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}
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this->process_handle = process_h.handle;
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this->process_id = handle_pid;
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this->has_initialized = true;
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rc = 0;
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}
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return std::make_tuple(rc);
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}
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