here have a pile of code

src/DSi_NAND.cpp

@@ -481,22 +481,22 @@ void PatchTSC()
 }
 
 
-void debug_listfiles(char* path)
+void debug_listfiles(const char* path)
 {
     DIR dir;
     FILINFO info;
     FRESULT res;
 
     res = f_opendir(&dir, path);
-    if (res) return;
+    if (res != FR_OK) return;
 
     for (;;)
     {
         res = f_readdir(&dir, &info);
-        if (res) return;
+        if (res != FR_OK) return;
         if (!info.fname[0]) return;
 
-        char fullname[1024];
+        char fullname[512];
         sprintf(fullname, "%s/%s", path, info.fname);
         printf("[%c] %s\n", (info.fattrib&AM_DIR)?'D':'F', fullname);
 
@@ -505,21 +505,27 @@ void debug_listfiles(char* path)
             debug_listfiles(fullname);
         }
     }
+
+    f_closedir(&dir);
 }
 
-void debug_dumpfile(char* path, char* out)
+void DumpFile(const char* path, const char* out)
 {
     FIL file;
     FILE* fout;
     FRESULT res;
 
     res = f_open(&file, path, FA_OPEN_EXISTING | FA_READ);
-    if (res) return;
+    if (res != FR_OK) return;
 
     u32 len = f_size(&file);
-    printf("%s: len=%d\n", path, len);
 
     fout = fopen(out, "wb");
+    if (!fout)
+    {
+        f_close(&file);
+        return;
+    }
 
     u8 buf[0x200];
     for (u32 i = 0; i < len; i += 0x200)
@@ -539,6 +545,71 @@ void debug_dumpfile(char* path, char* out)
     f_close(&file);
 }
 
+void RemoveFile(const char* path)
+{
+    FILINFO info;
+    FRESULT res = f_stat(path, &info);
+    if (res != FR_OK) return;
+
+    if (info.fattrib & AM_RDO)
+        f_chmod(path, 0, AM_RDO);
+
+    f_unlink(path);
+}
+
+void RemoveDir(const char* path)
+{
+    DIR dir;
+    FILINFO info;
+    FRESULT res;
+
+    res = f_stat(path, &info);
+    if (res != FR_OK) return;
+
+    if (info.fattrib & AM_RDO)
+        f_chmod(path, 0, AM_RDO);
+
+    res = f_opendir(&dir, path);
+    if (res != FR_OK) return;
+
+    std::vector<std::string> dirlist;
+    std::vector<std::string> filelist;
+
+    for (;;)
+    {
+        res = f_readdir(&dir, &info);
+        if (res != FR_OK) break;
+        if (!info.fname[0]) break;
+
+        char fullname[512];
+        sprintf(fullname, "%s/%s", path, info.fname);
+
+        if (info.fattrib & AM_RDO)
+            f_chmod(path, 0, AM_RDO);
+
+        if (info.fattrib & AM_DIR)
+            dirlist.push_back(fullname);
+        else
+            filelist.push_back(fullname);
+    }
+
+    f_closedir(&dir);
+
+    for (std::vector<std::string>::iterator it = dirlist.begin(); it != dirlist.end(); it++)
+    {
+        const char* path = (*it).c_str();
+        RemoveDir(path);
+    }
+
+    for (std::vector<std::string>::iterator it = filelist.begin(); it != filelist.end(); it++)
+    {
+        const char* path = (*it).c_str();
+        f_unlink(path);
+    }
+
+    f_unlink(path);
+}
+
 
 u32 GetTitleVersion(u32 category, u32 titleid)
 {
@@ -609,6 +680,15 @@ void ListTitles(u32 category, std::vector<u32>& titlelist)
     f_closedir(&titledir);
 }
 
+bool TitleExists(u32 category, u32 titleid)
+{
+    char path[256];
+    sprintf(path, "0:/title/%08x/%08x/content/title.tmd", category, titleid);
+
+    FRESULT res = f_stat(path, nullptr);
+    return (res == FR_OK);
+}
+
 void GetTitleInfo(u32 category, u32 titleid, u32& version, u8* header, u8* banner)
 {
     version = GetTitleVersion(category, titleid);
@@ -639,17 +719,17 @@ void GetTitleInfo(u32 category, u32 titleid, u32& version, u8* header, u8* banne
 }
 
 
-void CreateTicket(char* path, u32 titleid0, u32 titleid1, u8 version)
+bool CreateTicket(const char* path, u32 titleid0, u32 titleid1, u8 version)
 {
     FIL file;
     FRESULT res;
     u32 nwrite;
 
-    res = f_open(&file, path, FA_CREATE_NEW | FA_WRITE);
+    res = f_open(&file, path, FA_CREATE_ALWAYS | FA_WRITE);
     if (res != FR_OK)
     {
         printf("CreateTicket: failed to create file (%d)\n", res);
-        return;
+        return false;
     }
 
     u8 ticket[0x2C4];
@@ -670,15 +750,20 @@ void CreateTicket(char* path, u32 titleid0, u32 titleid1, u8 version)
     f_write(&file, ticket, 0x2C4, &nwrite);
 
     f_close(&file);
+
+    return true;
 }
 
-void CreateSaveFile(char* path, u32 len)
+bool CreateSaveFile(const char* path, u32 len)
 {
-    if (len < 0x200) return;
+    if (len == 0) return true;
-    if (len > 0x8000000) return;
+    if (len < 0x200) return false;
+    if (len > 0x8000000) return false;
 
     u32 clustersize, maxfiles, totsec16, fatsz16;
 
+    // CHECKME!
+    // code inspired from https://github.com/JeffRuLz/TMFH/blob/master/arm9/src/sav.c
     if (len < 573440)
     {
         clustersize = 512;
@@ -706,11 +791,11 @@ void CreateSaveFile(char* path, u32 len)
     FRESULT res;
     u32 nwrite;
 
-    res = f_open(&file, path, FA_CREATE_NEW | FA_WRITE);
+    res = f_open(&file, path, FA_CREATE_ALWAYS | FA_WRITE);
     if (res != FR_OK)
     {
         printf("CreateSaveFile: failed to create file (%d)\n", res);
-        return;
+        return false;
     }
 
     u8* data = new u8[len];
@@ -738,43 +823,16 @@ void CreateSaveFile(char* path, u32 len)
 
     f_close(&file);
     delete[] data;
+
+    return true;
 }
 
-void ImportTest()
+bool ImportTitle(const char* appfile, u8* tmd, bool readonly)
 {
-    char* tmdfile = "treasure.tmd";
-    char* appfile = "treasure.nds";
-
-    FRESULT res;
-
-    /*debug_listfiles("0:");
-
-    debug_dumpfile("0:/sys/log/sysmenu.log", "sysmenu.log");
-    debug_dumpfile("0:/sys/log/product.log", "product.log");
-
-    f_unmount("0:");
-    ff_disk_close();
-    return;*/
-
-    //debug_dumpfile("0:/title/00030004/4b4e4448/content/00000002.app", "00000002.app");
-    //debug_dumpfile("0:/title/00030004/4b4e4448/content/title.tmd", "title.tmd");
-    //f_unlink("0:/title/00030004/4b475556/data/public.sav");
-    //f_unlink("0:/ticket/00030004/4b475556.tik");
-    //debug_dumpfile("0:/title/00030004/4b475556/content/title.tmd", "flipnote.tmd");
-    //f_unlink("0:/title/00030004/4b475556/content/title.tmd");
-    /*f_unmount("0:");
-    ff_disk_close();
-return;*/
-    u8 tmd[0x208];
-    {
-        FILE* f = fopen(tmdfile, "rb");
-        fread(tmd, 0x208, 1, f);
-        fclose(f);
-    }
-
     u8 header[0x1000];
     {
         FILE* f = fopen(appfile, "rb");
+        if (!f) return false;
         fread(header, 0x1000, 1, f);
         fclose(f);
     }
@@ -786,157 +844,115 @@ return;*/
     u32 titleid1 = (tmd[0x190] << 24) | (tmd[0x191] << 16) | (tmd[0x192] << 8) | tmd[0x193];
     printf("Title ID: %08x/%08x\n", titleid0, titleid1);
 
+    FRESULT res;
+    DIR ticketdir;
+    FILINFO info;
+
+    char fname[128];
+    FIL file;
+    u32 nwrite;
+
+    // ticket
+
+    sprintf(fname, "0:/ticket/%08x/%08x.tik", titleid0, titleid1);
+    if (!CreateTicket(fname, *(u32*)&tmd[0x18C], *(u32*)&tmd[0x190], header[0x1E]))
+        return false;
+
+    if (readonly) f_chmod(fname, AM_RDO, AM_RDO);
+
+    // folder
+
+    sprintf(fname, "0:/title/%08x/%08x", titleid0, titleid1);
+    f_mkdir(fname);
+    sprintf(fname, "0:/title/%08x/%08x/content", titleid0, titleid1);
+    f_mkdir(fname);
+    sprintf(fname, "0:/title/%08x/%08x/data", titleid0, titleid1);
+    f_mkdir(fname);
+
+    // data
+
+    sprintf(fname, "0:/title/%08x/%08x/data/public.sav", titleid0, titleid1);
+    if (!CreateSaveFile(fname, *(u32*)&header[0x238]))
+        return false;
+
+    sprintf(fname, "0:/title/%08x/%08x/data/private.sav", titleid0, titleid1);
+    if (!CreateSaveFile(fname, *(u32*)&header[0x23C]))
+        return false;
+
+    if (header[0x1BF] & 0x04)
     {
-        DIR ticketdir;
+        // custom banner file
-        FILINFO info;
+        sprintf(fname, "0:/title/%08x/%08x/data/banner.sav", titleid0, titleid1);
-
+        res = f_open(&file, fname, FA_CREATE_ALWAYS | FA_WRITE);
-        char fname[128];
+        if (res != FR_OK)
-        FIL file;
-        FRESULT res;
-        u32 nwrite;
-
-        /*res = f_opendir(&ticketdir, "0:/ticket/00030004");
-        printf("dir res: %d\n", res);
-
-        res = f_readdir(&ticketdir, &info);
-        if (res)
         {
-            printf("bad read res: %d\n", res);
+            printf("ImportTitle: failed to create banner.sav (%d)\n", res);
+            return false;
         }
 
-        if (!info.fname[0])
+        u8 bannersav[0x4000];
-        {
+        memset(bannersav, 0, 0x4000);
-            printf("VERY BAD!! DIR IS EMPTY\n");
+        f_write(&file, bannersav, 0x4000, &nwrite);
-            // TODO ERROR MANAGEMENT!!
-        }
 
-        printf("- %s\n", info.fname);
-        char fname[128];
-        sprintf(fname, "0:/ticket/00030004/%s", info.fname);
-
-        f_closedir(&ticketdir);
-
-        FIL file;
-        res = f_open(&file, fname, FA_OPEN_EXISTING | FA_READ);
-        //
-
-        u8 ticket[0x2C4];
-        u32 nread;
-        f_read(&file, ticket, 0x2C4, &nread);
-        //
-
-        f_close(&file);
-
-        ESDecrypt(ticket, 0x2A4);
-
-        // change title ID
-        *(u32*)&ticket[0x1DC] = *(u32*)&tmd[0x18C];
-        *(u32*)&ticket[0x1E0] = *(u32*)&tmd[0x190];
-
-        printf("ass console ID: %08X\n", *(u32*)&tmd[0x1D8]);
-        *(u32*)&tmd[0x1D8] = 0;
-
-        ESEncrypt(ticket, 0x2A4);*/
-
-        // insert shit!
-
-        // ticket
-
-        sprintf(fname, "0:/ticket/%08x/%08x.tik", titleid0, titleid1);
-        printf("TICKET: %s\n", fname);
-        /*res = f_open(&file, fname, FA_CREATE_NEW | FA_WRITE);
-        printf("TICKET: %d\n", res);
-
-        f_write(&file, ticket, 0x2C4, &nread);
-        //
-
-        f_close(&file);*/
-
-        CreateTicket(fname, *(u32*)&tmd[0x18C], *(u32*)&tmd[0x190], header[0x1E]);
-
-        printf("----- POST TICKET:\n");
-    debug_listfiles("0:");
-
-        // folder
-
-        sprintf(fname, "0:/title/%08x/%08x", titleid0, titleid1);
-        res = f_mkdir(fname);
-        printf("DIR0 RES=%d\n", res);
-        sprintf(fname, "0:/title/%08x/%08x/content", titleid0, titleid1);
-        res = f_mkdir(fname);
-        printf("DIR1 RES=%d\n", res);
-        sprintf(fname, "0:/title/%08x/%08x/data", titleid0, titleid1);
-        res = f_mkdir(fname);
-        printf("DIR2 RES=%d\n", res);
-
-        printf("----- POST DIRS:\n");
-    debug_listfiles("0:");
-
-        // data
-
-        sprintf(fname, "0:/title/%08x/%08x/data/public.sav", titleid0, titleid1);
-        CreateSaveFile(fname, *(u32*)&header[0x238]);
-
-        sprintf(fname, "0:/title/%08x/%08x/data/private.sav", titleid0, titleid1);
-        CreateSaveFile(fname, *(u32*)&header[0x23C]);
-
-        if (header[0x1BF] & 0x04)
-        {
-            // custom banner file
-            sprintf(fname, "0:/title/%08x/%08x/data/banner.sav", titleid0, titleid1);
-            res = f_open(&file, fname, FA_CREATE_NEW | FA_WRITE);
-
-            u8 bannersav[0x4000];
-            memset(bannersav, 0, 0x4000);
-            f_write(&file, bannersav, 0x4000, &nwrite);
-
-            f_close(&file);
-        }
-
-        printf("----- POST SAVE:\n");
-    debug_listfiles("0:");
-
-        // TMD
-
-        sprintf(fname, "0:/title/%08x/%08x/content/title.tmd", titleid0, titleid1);
-        printf("TMD: %s\n", fname);
-        res = f_open(&file, fname, FA_CREATE_NEW | FA_WRITE);
-        printf("TMD: %d\n", res);
-
-        f_write(&file, tmd, 0x208, &nwrite);
-        //
-
-        f_close(&file);
-
-        printf("----- POST TMD:\n");
-    debug_listfiles("0:");
-
-        // executable
-
-        sprintf(fname, "0:/title/%08x/%08x/content/%08x.app", titleid0, titleid1, version);
-        printf("APP: %s\n", fname);
-        res = f_open(&file, fname, FA_CREATE_NEW | FA_WRITE);
-        printf("APP: %d\n", res);
-
-        FILE* app = fopen(appfile, "rb");
-        fseek(app, 0, SEEK_END);
-        u32 applen = (u32)ftell(app);
-        fseek(app, 0, SEEK_SET);
-
-        for (u32 i = 0; i < applen; i += 0x200)
-        {
-            u8 data[0x200];
-
-            u32 lenread = fread(data, 1, 0x200, app);
-            f_write(&file, data, lenread, &nwrite);
-        }
-
-        fclose(app);
         f_close(&file);
     }
 
-    printf("----- POST INSERTION:\n");
+    // TMD
-    debug_listfiles("0:");
+
+    sprintf(fname, "0:/title/%08x/%08x/content/title.tmd", titleid0, titleid1);
+    res = f_open(&file, fname, FA_CREATE_ALWAYS | FA_WRITE);
+    if (res != FR_OK)
+    {
+        printf("ImportTitle: failed to create TMD (%d)\n", res);
+        return false;
+    }
+
+    f_write(&file, tmd, 0x208, &nwrite);
+
+    f_close(&file);
+
+    if (readonly) f_chmod(fname, AM_RDO, AM_RDO);
+
+    // executable
+
+    sprintf(fname, "0:/title/%08x/%08x/content/%08x.app", titleid0, titleid1, version);
+    res = f_open(&file, fname, FA_CREATE_ALWAYS | FA_WRITE);
+    if (res != FR_OK)
+    {
+        printf("ImportTitle: failed to create executable (%d)\n", res);
+        return false;
+    }
+
+    FILE* app = fopen(appfile, "rb");
+    fseek(app, 0, SEEK_END);
+    u32 applen = (u32)ftell(app);
+    fseek(app, 0, SEEK_SET);
+
+    for (u32 i = 0; i < applen; i += 0x200)
+    {
+        u8 data[0x200];
+
+        u32 lenread = fread(data, 1, 0x200, app);
+        f_write(&file, data, lenread, &nwrite);
+    }
+
+    fclose(app);
+    f_close(&file);
+
+    if (readonly) f_chmod(fname, AM_RDO, AM_RDO);
+
+    return true;
+}
+
+void DeleteTitle(u32 category, u32 titleid)
+{
+    char fname[128];
+
+    sprintf(fname, "0:/ticket/%08x/%08x.tik", category, titleid);
+    RemoveFile(fname);
+
+    sprintf(fname, "0:/title/%08x/%08x", category, titleid);
+    RemoveDir(fname);
 }
 
 }

src/DSi_NAND.h

@@ -21,6 +21,7 @@
 
 #include "types.h"
 #include <vector>
+#include <string>
 
 namespace DSi_NAND
 {
@@ -33,8 +34,10 @@ void GetIDs(u8* emmc_cid, u64& consoleid);
 void PatchTSC();
 
 void ListTitles(u32 category, std::vector<u32>& titlelist);
+bool TitleExists(u32 category, u32 titleid);
 void GetTitleInfo(u32 category, u32 titleid, u32& version, u8* header, u8* banner);
-void ImportTest();
+bool ImportTitle(const char* appfile, u8* tmd, bool readonly);
+void DeleteTitle(u32 category, u32 titleid);
 
 }
 

src/fatfs/ffconf.h

@@ -30,7 +30,7 @@
 /  f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
 
 
-#define FF_USE_MKFS		0
+#define FF_USE_MKFS		1
 /* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
 
 
@@ -42,7 +42,7 @@
 /* This option switches f_expand function. (0:Disable or 1:Enable) */
 
 
-#define FF_USE_CHMOD	0
+#define FF_USE_CHMOD	1
 /* This option switches attribute manipulation functions, f_chmod() and f_utime().
 /  (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
 

src/frontend/qt_sdl/CMakeLists.txt

@@ -47,11 +47,12 @@ if (USE_QT6)
         set(Qt6Core_DIR ${QT6_STATIC_BASE}Core)
         set(Qt6Gui_DIR ${QT6_STATIC_BASE}Gui)
         set(Qt6Widgets_DIR ${QT6_STATIC_BASE}Widgets)
+        set(Qt6Network_DIR ${QT6_STATIC_BASE}Network)
         set(Qt6OpenGL_DIR ${QT6_STATIC_BASE}OpenGL)
         set(Qt6OpenGLWidgets_DIR ${QT6_STATIC_BASE}OpenGLWidgets)
     endif()
-    find_package(Qt6 COMPONENTS Core Gui Widgets OpenGL OpenGLWidgets REQUIRED)
+    find_package(Qt6 COMPONENTS Core Gui Widgets Network OpenGL OpenGLWidgets REQUIRED)
-    set(QT_LINK_LIBS Qt6::Core Qt6::Gui Qt6::Widgets Qt6::OpenGL Qt6::OpenGLWidgets)
+    set(QT_LINK_LIBS Qt6::Core Qt6::Gui Qt6::Widgets Qt6::Network Qt6::OpenGL Qt6::OpenGLWidgets)
 else()
     if (BUILD_STATIC AND QT5_STATIC_DIR)
         set(QT5_STATIC_BASE ${QT5_STATIC_DIR}/lib/cmake/Qt5)
@@ -59,9 +60,10 @@ else()
         set(Qt5Core_DIR ${QT5_STATIC_BASE}Core)
         set(Qt5Gui_DIR ${QT5_STATIC_BASE}Gui)
         set(Qt5Widgets_DIR ${QT5_STATIC_BASE}Widgets)
+        set(Qt5Network_DIR ${QT5_STATIC_BASE}Network)
     endif()
-    find_package(Qt5 COMPONENTS Core Gui Widgets REQUIRED)
+    find_package(Qt5 COMPONENTS Core Gui Widgets Network REQUIRED)
-    set(QT_LINK_LIBS Qt5::Core Qt5::Gui Qt5::Widgets)
+    set(QT_LINK_LIBS Qt5::Core Qt5::Gui Qt5::Widgets Qt5::Network)
 endif()
 
 set(CMAKE_AUTOMOC ON)

src/frontend/qt_sdl/TitleManagerDialog.cpp

@@ -51,39 +51,12 @@ TitleManagerDialog::TitleManagerDialog(QWidget* parent) : QDialog(parent), ui(ne
     for (std::vector<u32>::iterator it = titlelist.begin(); it != titlelist.end(); it++)
     {
         u32 titleid = *it;
-
+        createTitleItem(category, titleid);
-        u32 version;
-        u8 header[0x1000];
-        u8 banner[0x2400];
-
-        DSi_NAND::GetTitleInfo(category, titleid, version, header, banner);
-
-        u8 icongfx[512];
-        u16 iconpal[16];
-        memcpy(icongfx, &banner[0x20], 512);
-        memcpy(iconpal, &banner[0x220], 16*2);
-        u32 icondata[32*32];
-        Frontend::ROMIcon(icongfx, iconpal, icondata);
-        QImage iconimg((const uchar*)icondata, 32, 32, QImage::Format_ARGB32);
-        QIcon icon(QPixmap::fromImage(iconimg.copy()));
-
-        // TODO: make it possible to select other languages?
-        u16 titleraw[129];
-        memcpy(titleraw, &banner[0x340], 128*sizeof(u16));
-        titleraw[128] = '\0';
-        QString title = QString::fromUtf16(titleraw);
-        title.replace("\n", " · ");
-
-        char gamecode[5];
-        *(u32*)&gamecode[0] = *(u32*)&header[0xC];
-        gamecode[4] = '\0';
-        char extra[128];
-        sprintf(extra, "\n(title ID: %s · %08x/%08x · version %08x)", gamecode, category, titleid, version);
-
-        QListWidgetItem* item = new QListWidgetItem(title + QString(extra));
-        item->setIcon(icon);
-        ui->lstTitleList->addItem(item);
     }
+
+    ui->lstTitleList->sortItems();
+
+    ui->btnDeleteTitle->setEnabled(false);
 }
 
 TitleManagerDialog::~TitleManagerDialog()
@@ -91,6 +64,42 @@ TitleManagerDialog::~TitleManagerDialog()
     delete ui;
 }
 
+void TitleManagerDialog::createTitleItem(u32 category, u32 titleid)
+{
+    u32 version;
+    u8 header[0x1000];
+    u8 banner[0x2400];
+
+    DSi_NAND::GetTitleInfo(category, titleid, version, header, banner);
+
+    u8 icongfx[512];
+    u16 iconpal[16];
+    memcpy(icongfx, &banner[0x20], 512);
+    memcpy(iconpal, &banner[0x220], 16*2);
+    u32 icondata[32*32];
+    Frontend::ROMIcon(icongfx, iconpal, icondata);
+    QImage iconimg((const uchar*)icondata, 32, 32, QImage::Format_ARGB32);
+    QIcon icon(QPixmap::fromImage(iconimg.copy()));
+
+    // TODO: make it possible to select other languages?
+    u16 titleraw[129];
+    memcpy(titleraw, &banner[0x340], 128*sizeof(u16));
+    titleraw[128] = '\0';
+    QString title = QString::fromUtf16(titleraw);
+    title.replace("\n", " · ");
+
+    char gamecode[5];
+    *(u32*)&gamecode[0] = *(u32*)&header[0xC];
+    gamecode[4] = '\0';
+    char extra[128];
+    sprintf(extra, "\n(title ID: %s · %08x/%08x · version %08x)", gamecode, category, titleid, version);
+
+    QListWidgetItem* item = new QListWidgetItem(title + QString(extra));
+    item->setIcon(icon);
+    item->setData(Qt::UserRole, (((u64)category<<32) | (u64)titleid));
+    ui->lstTitleList->addItem(item);
+}
+
 bool TitleManagerDialog::openNAND()
 {
     FILE* bios7i = Platform::OpenLocalFile(Config::DSiBIOS7Path, "rb");
@@ -136,12 +145,77 @@ void TitleManagerDialog::done(int r)
 
 void TitleManagerDialog::on_btnImportTitle_clicked()
 {
-    TitleImportDialog* importdlg = new TitleImportDialog(this);
+    TitleImportDialog* importdlg = new TitleImportDialog(this, importAppPath, importTmdData, importReadOnly);
     importdlg->open();
+    connect(importdlg, &TitleImportDialog::finished, this, &TitleManagerDialog::onImportTitleFinished);
+
+    importdlg->show();
+}
+
+void TitleManagerDialog::onImportTitleFinished(int res)
+{
+    if (res != QDialog::Accepted) return;
+
+    u32 titleid[2];
+    titleid[0] = (importTmdData[0x18C] << 24) | (importTmdData[0x18D] << 16) | (importTmdData[0x18E] << 8) | importTmdData[0x18F];
+    titleid[1] = (importTmdData[0x190] << 24) | (importTmdData[0x191] << 16) | (importTmdData[0x192] << 8) | importTmdData[0x193];
+
+    bool importres = DSi_NAND::ImportTitle(importAppPath.toStdString().c_str(), importTmdData, importReadOnly);
+    if (!importres)
+    {
+        // remove a potential half-completed install
+        DSi_NAND::DeleteTitle(titleid[0], titleid[1]);
+
+        QMessageBox::critical(this,
+                              "Import title - melonDS",
+                              "An error occured while installing the title to the NAND.\nCheck that your NAND dump is valid.");
+    }
+    else
+    {
+        // it worked, wee!
+        createTitleItem(titleid[0], titleid[1]);
+        ui->lstTitleList->sortItems();
+    }
+}
+
+void TitleManagerDialog::on_btnExportTitle_clicked()
+{
+    //
+}
+
+void TitleManagerDialog::on_btnDeleteTitle_clicked()
+{
+    QListWidgetItem* cur = ui->lstTitleList->currentItem();
+    if (!cur) return;
+
+    if (QMessageBox::question(this,
+                              "Delete title - melonDS",
+                              "The title and its associated data will be permanently deleted. Are you sure?",
+                              QMessageBox::StandardButtons(QMessageBox::Yes|QMessageBox::No),
+                              QMessageBox::No) != QMessageBox::Yes)
+        return;
+
+    u64 titleid = cur->data(Qt::UserRole).toLongLong();
+    DSi_NAND::DeleteTitle((u32)(titleid >> 32), (u32)titleid);
+
+    delete cur;
+}
+
+void TitleManagerDialog::on_lstTitleList_currentItemChanged(QListWidgetItem* cur, QListWidgetItem* prev)
+{
+    if (!cur)
+    {
+        ui->btnDeleteTitle->setEnabled(false);
+    }
+    else
+    {
+        ui->btnDeleteTitle->setEnabled(true);
+    }
 }
 
 
-TitleImportDialog::TitleImportDialog(QWidget* parent) : QDialog(parent), ui(new Ui::TitleImportDialog)
+TitleImportDialog::TitleImportDialog(QWidget* parent, QString& apppath, u8* tmd, bool& readonly)
+: QDialog(parent), ui(new Ui::TitleImportDialog), appPath(apppath), tmdData(tmd), readOnly(readonly)
 {
     ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
@@ -149,6 +223,8 @@ TitleImportDialog::TitleImportDialog(QWidget* parent) : QDialog(parent), ui(new
     grpTmdSource = new QButtonGroup(this);
     grpTmdSource->addButton(ui->rbTmdFromFile, 0);
     grpTmdSource->addButton(ui->rbTmdFromNUS, 1);
+    connect(grpTmdSource, SIGNAL(buttonClicked(int)), this, SLOT(onChangeTmdSource(int)));
+    grpTmdSource->button(0)->setChecked(true);
 }
 
 TitleImportDialog::~TitleImportDialog()
@@ -156,6 +232,152 @@ TitleImportDialog::~TitleImportDialog()
     delete ui;
 }
 
+void TitleImportDialog::accept()
+{
+    QString path;
+    FILE* f;
+
+    bool tmdfromfile = (grpTmdSource->checkedId() == 0);
+
+    path = ui->txtAppFile->text();
+    f = fopen(path.toStdString().c_str(), "rb");
+    if (!f)
+    {
+        QMessageBox::critical(this,
+                              "Import title - melonDS",
+                              "Could not open executable file.\nCheck that the path is correct and that the file is accessible.");
+        return;
+    }
+
+    fseek(f, 0x230, SEEK_SET);
+    fread(titleid, 8, 1, f);
+    fclose(f);
+
+    if (titleid[1] != 0x00030004)
+    {
+        QMessageBox::critical(this,
+                              "Import title - melonDS",
+                              "Executable file is not a DSiware title.");
+        return;
+    }
+
+    if (tmdfromfile)
+    {
+        path = ui->txtTmdFile->text();
+        f = fopen(path.toStdString().c_str(), "rb");
+        if (!f)
+        {
+            QMessageBox::critical(this,
+                                  "Import title - melonDS",
+                                  "Could not open metadata file.\nCheck that the path is correct and that the file is accessible.");
+            return;
+        }
+
+        fread(tmdData, 0x208, 1, f);
+        fclose(f);
+
+        u32 tmdtitleid[2];
+        tmdtitleid[0] = (tmdData[0x18C] << 24) | (tmdData[0x18D] << 16) | (tmdData[0x18E] << 8) | tmdData[0x18F];
+        tmdtitleid[1] = (tmdData[0x190] << 24) | (tmdData[0x191] << 16) | (tmdData[0x192] << 8) | tmdData[0x193];
+
+        if (tmdtitleid[1] != titleid[0] || tmdtitleid[0] != titleid[1])
+        {
+            QMessageBox::critical(this,
+                                  "Import title - melonDS",
+                                  "Title ID in metadata file does not match executable file.");
+            return;
+        }
+    }
+
+    if (DSi_NAND::TitleExists(titleid[1], titleid[0]))
+    {
+        if (QMessageBox::question(this,
+                                  "Import title - melonDS",
+                                  "The selected title is already installed. Overwrite it?",
+                                  QMessageBox::StandardButtons(QMessageBox::Yes|QMessageBox::No),
+                                  QMessageBox::No) != QMessageBox::Yes)
+            return;
+
+        DSi_NAND::DeleteTitle(titleid[1], titleid[0]);
+    }
+
+    if (!tmdfromfile)
+    {
+        network = new QNetworkAccessManager(this);
+
+        char url[256];
+        sprintf(url, "http://nus.cdn.t.shop.nintendowifi.net/ccs/download/%08x%08x/tmd", titleid[1], titleid[0]);
+
+        QNetworkRequest req;
+        req.setUrl(QUrl(url));
+
+        netreply = network->get(req);
+        connect(netreply, &QNetworkReply::finished, this, &TitleImportDialog::tmdDownloaded);
+
+        setEnabled(false);
+    }
+}
+
+void TitleImportDialog::tmdDownloaded()
+{
+    bool good = false;
+
+    if (netreply->error() != QNetworkReply::NoError)
+    {
+        QMessageBox::critical(this,
+                              "Import title - melonDS",
+                              QString("An error occurred while trying to download the metadata file:\n\n") + netreply->errorString());
+    }
+    else if (netreply->bytesAvailable() < 2312)
+    {
+        QMessageBox::critical(this,
+                              "Import title - melonDS",
+                              "NUS returned a malformed metadata file.");
+    }
+    else
+    {
+        netreply->read((char*)tmdData, 520);
+
+        u32 tmdtitleid[2];
+        tmdtitleid[0] = (tmdData[0x18C] << 24) | (tmdData[0x18D] << 16) | (tmdData[0x18E] << 8) | tmdData[0x18F];
+        tmdtitleid[1] = (tmdData[0x190] << 24) | (tmdData[0x191] << 16) | (tmdData[0x192] << 8) | tmdData[0x193];
+
+        if (tmdtitleid[1] != titleid[0] || tmdtitleid[0] != titleid[1])
+        {
+            QMessageBox::critical(this,
+                                  "Import title - melonDS",
+                                  "NUS returned a malformed metadata file.");
+        }
+        else
+            good = true;
+    }
+
+    netreply->deleteLater();
+    setEnabled(true);
+
+    if (good)
+    {
+        appPath = ui->txtAppFile->text();
+        readOnly = ui->cbReadOnly->isChecked();
+        QDialog::accept();
+    }
+}
+
+void TitleImportDialog::on_TitleImportDialog_accepted()
+{
+    setEnabled(false);
+}
+
+void TitleImportDialog::on_TitleImportDialog_rejected()
+{
+    printf("rejected\n");
+}
+
+void TitleImportDialog::on_TitleImportDialog_reject()
+{
+    printf("reject\n");
+}
+
 void TitleImportDialog::on_btnAppBrowse_clicked()
 {
     QString file = QFileDialog::getOpenFileName(this,
@@ -179,3 +401,11 @@ void TitleImportDialog::on_btnTmdBrowse_clicked()
 
     ui->txtTmdFile->setText(file);
 }
+
+void TitleImportDialog::onChangeTmdSource(int id)
+{
+    bool pathenable = (id==0);
+
+    ui->txtTmdFile->setEnabled(pathenable);
+    ui->btnTmdBrowse->setEnabled(pathenable);
+}

src/frontend/qt_sdl/TitleManagerDialog.h

@@ -21,8 +21,14 @@
 
 #include <QDialog>
 #include <QMessageBox>
+#include <QListWidget>
 #include <QButtonGroup>
 
+#include <QUrl>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+#include <QNetworkAccessManager>
+
 namespace Ui
 {
     class TitleManagerDialog;
@@ -74,9 +80,20 @@ private slots:
     void done(int r);
 
     void on_btnImportTitle_clicked();
+    void onImportTitleFinished(int res);
+
+    void on_btnExportTitle_clicked();
+    void on_btnDeleteTitle_clicked();
+    void on_lstTitleList_currentItemChanged(QListWidgetItem* cur, QListWidgetItem* prev);
 
 private:
     Ui::TitleManagerDialog* ui;
+
+    QString importAppPath;
+    u8 importTmdData[0x208];
+    bool importReadOnly;
+
+    void createTitleItem(u32 category, u32 titleid);
 };
 
 class TitleImportDialog : public QDialog
@@ -84,17 +101,34 @@ class TitleImportDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit TitleImportDialog(QWidget* parent);
+    explicit TitleImportDialog(QWidget* parent, QString& apppath, u8* tmd, bool& readonly);
     ~TitleImportDialog();
 
 private slots:
+    void accept() override;
+    void tmdDownloaded();
+
+    void on_TitleImportDialog_accepted();
+    void on_TitleImportDialog_rejected();
+    void on_TitleImportDialog_reject();
+
     void on_btnAppBrowse_clicked();
     void on_btnTmdBrowse_clicked();
+    void onChangeTmdSource(int id);
 
 private:
     Ui::TitleImportDialog* ui;
 
     QButtonGroup* grpTmdSource;
+
+    QNetworkAccessManager* network;
+    QNetworkReply* netreply;
+
+    QString& appPath;
+    u8* tmdData;
+    bool& readOnly;
+
+    u32 titleid[2];
 };
 
 #endif // TITLEMANAGERDIALOG_H

src/frontend/qt_sdl/TitleManagerDialog.ui

@@ -31,7 +31,21 @@
      <item>
       <widget class="QPushButton" name="btnImportTitle">
        <property name="text">
-        <string>Import title</string>
+        <string>Import title...</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btnExportTitle">
+       <property name="text">
+        <string>Export title...</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btnDeleteTitle">
+       <property name="text">
+        <string>Delete title</string>
        </property>
       </widget>
      </item>