rewrite everything

Source/Atmosphere/stratosphere/loader/source/patch.py

@@ -0,0 +1,74 @@
+#!python3
+
+import sys
+import os
+
+def file_replace_str(file_path, search_replace_list):
+    assert file_path
+    assert search_replace_list
+    with open(file_path, "r") as f:
+        content = f.read()
+
+    for entry in search_replace_list:
+        (search, replace) = entry
+        if search in content:
+            content = content.replace(search, replace)
+        else:
+            assert replace in content, f"Pattern \"{search}\" not found"
+
+    with open(file_path, "w") as f:
+        f.write(content)
+
+
+dir_path = os.path.dirname(__file__)
+
+os.chdir(dir_path)
+os.system("git reset --hard")
+
+ldr_process_creation = os.path.join(dir_path, "ldr_process_creation.cpp")
+file_replace_str(ldr_process_creation,
+    [("""#include "ldr_ro_manager.hpp"
+
+namespace ams::ldr {""",
+"""#include "ldr_ro_manager.hpp"
+#include "oc/oc_loader.hpp"
+
+namespace ams::ldr {"""),
+    ("""        NsoHeader g_nso_headers[Nso_Count];
+
+        Result ValidateProgramVersion(ncm::ProgramId program_id, u32 version) {""",
+    """        NsoHeader g_nso_headers[Nso_Count];
+
+        /* Pcv/Ptm check cache. */
+        bool g_is_pcv;
+        bool g_is_ptm;
+
+        Result ValidateProgramVersion(ncm::ProgramId program_id, u32 version) {"""),
+    ("""            R_UNLESS(meta->aci->program_id <= meta->acid->program_id_max, ldr::ResultInvalidProgramId());
+
+            /* Validate the kernel capabilities. */""",
+    """            R_UNLESS(meta->aci->program_id <= meta->acid->program_id_max, ldr::ResultInvalidProgramId());
+
+            /* Check if nca is pcv or ptm */
+            g_is_pcv = meta->aci->program_id == ncm::SystemProgramId::Pcv;
+            g_is_ptm = meta->aci->program_id == ncm::SystemProgramId::Ptm;
+
+            /* Validate the kernel capabilities. */"""),
+    ("""                LocateAndApplyIpsPatchesToModule(nso_header->module_id, map_address, nso_size);
+            }""",
+    """                LocateAndApplyIpsPatchesToModule(nso_header->module_id, map_address, nso_size);
+
+                /* Apply pcv and ptm patches. */
+                if (g_is_pcv)
+                    oc::pcv::Patch(map_address, nso_size);
+                if (g_is_ptm)
+                    oc::ptm::Patch(map_address, nso_size);
+            }""")])
+
+ldr_meta = os.path.join(dir_path, "ldr_meta.cpp")
+file_replace_str(ldr_meta,
+    [("""        Result ValidateAcidSignature(Meta *meta) {
+            /* Loader did not check signatures prior to 10.0.0. */""",
+    """        Result ValidateAcidSignature(Meta *meta) {
+            R_SUCCEED();
+            /* Loader did not check signatures prior to 10.0.0. */""")])