From f8985d1cc5f7378ab2bca2526a61d6aff778d36e Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Mon, 11 Sep 2023 23:50:36 -0400
Subject: qt: add verification for installed contents

---
 src/core/file_sys/registered_cache.cpp | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'src/core/file_sys/registered_cache.cpp')

diff --git a/src/core/file_sys/registered_cache.cpp b/src/core/file_sys/registered_cache.cpp
index f70adab82..e33b00d89 100644
--- a/src/core/file_sys/registered_cache.cpp
+++ b/src/core/file_sys/registered_cache.cpp
@@ -9,6 +9,7 @@
 #include "common/fs/path_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
+#include "common/scope_exit.h"
 #include "core/crypto/key_manager.h"
 #include "core/file_sys/card_image.h"
 #include "core/file_sys/common_funcs.h"
@@ -625,7 +626,7 @@ InstallResult RegisteredCache::InstallEntry(const NSP& nsp, bool overwrite_if_ex
             nca->GetTitleId() != title_id) {
             // Create fake cnmt for patch to multiprogram application
             const auto sub_nca_result =
-                InstallEntry(*nca, TitleType::Update, overwrite_if_exists, copy);
+                InstallEntry(*nca, cnmt.GetHeader(), record, overwrite_if_exists, copy);
             if (sub_nca_result != InstallResult::Success) {
                 return sub_nca_result;
             }
@@ -672,6 +673,31 @@ InstallResult RegisteredCache::InstallEntry(const NCA& nca, TitleType type,
     return RawInstallNCA(nca, copy, overwrite_if_exists, c_rec.nca_id);
 }
 
+InstallResult RegisteredCache::InstallEntry(const NCA& nca, const CNMTHeader& base_header,
+                                            const ContentRecord& base_record,
+                                            bool overwrite_if_exists, const VfsCopyFunction& copy) {
+    const CNMTHeader header{
+        .title_id = nca.GetTitleId(),
+        .title_version = base_header.title_version,
+        .type = base_header.type,
+        .reserved = {},
+        .table_offset = 0x10,
+        .number_content_entries = 1,
+        .number_meta_entries = 0,
+        .attributes = 0,
+        .reserved2 = {},
+        .is_committed = 0,
+        .required_download_system_version = 0,
+        .reserved3 = {},
+    };
+    const OptionalHeader opt_header{0, 0};
+    const CNMT new_cnmt(header, opt_header, {base_record}, {});
+    if (!RawInstallYuzuMeta(new_cnmt)) {
+        return InstallResult::ErrorMetaFailed;
+    }
+    return RawInstallNCA(nca, copy, overwrite_if_exists, base_record.nca_id);
+}
+
 bool RegisteredCache::RemoveExistingEntry(u64 title_id) const {
     bool removed_data = false;
 
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