v2.9.0: MBMNET Shop (eigene App, auf Wunsch installierbar)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-18 17:46:42 +02:00
parent d264cd93cd
commit ca77952a9d
16 changed files with 1710 additions and 19 deletions
@@ -0,0 +1,131 @@
+// MBMNET Shop installieren, starten und entfernen (der Shop selbst steckt in shop/).
+// Die CIA kommt vom MBMNET-Server (/app/mbmnet-shop.cia, aus dem Repo MBMNET wie die App-Updates).
+#include <3ds.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "shopctl.h"
+
+static volatile ShopJob job = SHOPJOB_IDLE;
+static char jobMsg[160];
+static char server[64];
+static Thread thread;
+
+ShopJob shopctl_job(void) { return job; }
+const char *shopctl_message(void) { return jobMsg; }
+void shopctl_acknowledge(void) { if (job != SHOPJOB_RUNNING) job = SHOPJOB_IDLE; }
+
+int shopctl_version(void)
+{
+    u64 id = SHOP_TITLE_ID;
+    AM_TitleEntry info;
+    if (R_FAILED(AM_GetTitleInfo(MEDIATYPE_SD, 1, &id, &info))) return -1;
+    return info.version;
+}
+
+static void fail(const char *what, Result rc)
+{
+    snprintf(jobMsg, sizeof(jobMsg), "MBMNET Shop: %s (%08lX).", what, (unsigned long)rc);
+    job = SHOPJOB_FAILED;
+}
+
+static void install_worker(void *arg)
+{
+    (void)arg;
+    char url[128];
+    snprintf(url, sizeof(url), "http://%s/app/mbmnet-shop.cia", server);
+    httpcContext ctx;
+    u32 status = 0;
+    Result rc = httpcOpenContext(&ctx, HTTPC_METHOD_GET, url, 1);
+    if (R_FAILED(rc)) return fail("keine Verbindung", rc);
+    httpcAddRequestHeaderField(&ctx, "User-Agent", "MBMNET-Switcher/" APP_VERSION);
+    httpcSetKeepAlive(&ctx, HTTPC_KEEPALIVE_DISABLED);
+    if (R_FAILED(rc = httpcBeginRequest(&ctx)) ||
+        R_FAILED(rc = httpcGetResponseStatusCodeTimeout(&ctx, &status, 15ULL * 1000 * 1000 * 1000))) {
+        httpcCloseContext(&ctx);
+        return fail("keine Verbindung", rc);
+    }
+    if (status != 200) {
+        httpcCloseContext(&ctx);
+        snprintf(jobMsg, sizeof(jobMsg), "MBMNET Shop: Der Server hat ihn gerade nicht (HTTP %lu).", (unsigned long)status);
+        job = SHOPJOB_FAILED;
+        return;
+    }
+
+    // Direkt in die Installation schreiben (wie FBI)
+    Handle cia;
+    bool started = false;
+    u32 offset = 0, got;
+    u8 *buf = malloc(64 * 1024);
+    if (!buf) { httpcCloseContext(&ctx); return fail("zu wenig Speicher", -1); }
+    do {
+        got = 0;
+        rc = httpcDownloadData(&ctx, buf, 64 * 1024, &got);
+        if (!got) continue;
+        if (!started) {
+            // Eine CIA beginnt mit der Kopfgröße 0x2020
+            if (got < 4 || buf[0] != 0x20 || buf[1] != 0x20 || buf[2] || buf[3]) { rc = -1; break; }
+            Result arc = AM_StartCiaInstall(MEDIATYPE_SD, &cia);
+            if (R_FAILED(arc)) { rc = arc; break; }
+            started = true;
+        }
+        u32 written = 0;
+        Result wrc = FSFILE_Write(cia, &written, offset, buf, got, 0);
+        if (R_FAILED(wrc) || written != got) { rc = R_FAILED(wrc) ? wrc : -1; break; }
+        offset += got;
+    } while (rc == (Result)HTTPC_RESULTCODE_DOWNLOADPENDING);
+    free(buf);
+    httpcCloseContext(&ctx);
+
+    if (R_FAILED(rc) || !started) {
+        if (started) AM_CancelCIAInstall(cia);
+        return fail(started ? "Installation abgebrochen" : "Download fehlgeschlagen", rc);
+    }
+    if (R_FAILED(rc = AM_FinishCiaInstall(cia))) return fail("Installation abgelehnt", rc);
+    snprintf(jobMsg, sizeof(jobMsg), "MBMNET Shop installiert!\nTippe unten auf \"Shop öffnen\" oder starte ihn im HOME-Menü.");
+    job = SHOPJOB_DONE;
+}
+
+void shopctl_install(const char *srv)
+{
+    if (job == SHOPJOB_RUNNING) return;
+    snprintf(server, sizeof(server), "%s", srv);
+    if (thread) { threadJoin(thread, U64_MAX); threadFree(thread); thread = NULL; }
+    job = SHOPJOB_RUNNING;
+    jobMsg[0] = 0;
+    s32 prio = 0x30;
+    svcGetThreadPriority(&prio, CUR_THREAD_HANDLE);
+    thread = threadCreate(install_worker, NULL, 32 * 1024, prio + 1, -2, false);
+    if (!thread) fail("konnte nicht starten", -1);
+}
+
+bool shopctl_remove(char *msg, size_t len)
+{
+    Result rc = AM_DeleteTitle(MEDIATYPE_SD, SHOP_TITLE_ID);
+    if (R_FAILED(rc) && shopctl_version() >= 0) {
+        snprintf(msg, len, "Der Shop ließ sich nicht entfernen (%08lX).", (unsigned long)rc);
+        return false;
+    }
+    snprintf(msg, len, "MBMNET Shop entfernt.\nApps, die du darüber installiert hast, bleiben auf dem 3DS.");
+    return true;
+}
+
+bool shopctl_launch(char *msg, size_t len)
+{
+    Result rc = APT_PrepareToDoApplicationJump(0, SHOP_TITLE_ID, MEDIATYPE_SD);
+    if (R_SUCCEEDED(rc)) {
+        static u8 param[0x300], hmac[0x20];
+        rc = APT_DoApplicationJump(param, sizeof(param), hmac);
+    }
+    if (R_FAILED(rc)) {
+        snprintf(msg, len, "Starte den MBMNET Shop bitte im HOME-Menü (%08lX).", (unsigned long)rc);
+        return false;
+    }
+    return true;
+}
+
+void shopctl_exit(void)
+{
+    if (thread) { threadJoin(thread, U64_MAX); threadFree(thread); thread = NULL; }
+}