MrMaho/MBMNET-APP
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

v3.0.0: Umschalten wartet nicht mehr aufs Auffrischen (abbrechbar, CA-Abruf zuletzt), schnellere Prüfintervalle

Browse Source 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nico Meister
2026-10-19 21:13:44 +02:00
co-authored by Claude Opus 5.5
parent c384c20558
commit f5fc0861c7
11 changed files with 113 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/olvpatch.c
+37 -12
View File
@@ -64,26 +64,51 @@ static u32 read_cached(u8 *der)
return n > 0 && n <= CA_MAX ? n : 0;
}
bool olvpatch_fetch_ca(const char *server, u8 *der, u32 *derLen, bool fresh)
// Erst in eine Hilfsdatei schreiben, dann umbenennen: Wird die App mittendrin beendet, bleibt die alte Datei heil
static bool write_atomic(const char *path, const u8 *data, u32 n)
{
if (!fresh && (*derLen = read_cached(der))) return true;
static u8 pem[2048];
u32 n = fetch(server, "/olv/ca.der", der, CA_MAX + 1);
if (n == 0 || n > CA_MAX) return !fresh ? false : (*derLen = read_cached(der)) != 0;
char tmp[96];
snprintf(tmp, sizeof(tmp), "%s.neu", path);
FILE *f = fopen(tmp, "wb");
bool ok = f && fwrite(data, 1, n, f) == n;
if (f) fclose(f);
if (ok) { remove(path); ok = rename(tmp, path) == 0; }
if (!ok) remove(tmp);
return ok;
}
// Holt die CA vom Server in den Zwischenspeicher. *changed: anders als vorher.
bool olvpatch_refresh_ca(const char *server, bool *changed)
{
static u8 der[CA_MAX + 1], old[CA_MAX + 1], pem[2048];
*changed = false;
u32 n = fetch(server, "/olv/ca.der", der, sizeof(der));
if (n == 0 || n > CA_MAX) return false;
u32 p = fetch(server, "/olv/ca.pem", pem, sizeof(pem));
if (p == 0) return false;
// Der Browser der Miiverse-App liest die CA von der SD-Karte
FILE *f = fopen(CA_PEM_FILE, "wb");
bool ok = f && fwrite(pem, 1, p, f) == p;
if (f) fclose(f);
u32 oldLen = read_cached(old);
if (oldLen == n && memcmp(old, der, n) == 0) return true; // unverändert
mkdir("sdmc:/3ds/mbmnet", 0777);
mkdir("sdmc:/3ds/mbmnet/cache", 0777);
f = fopen(CA_DER_CACHE, "wb");
if (f) { fwrite(der, 1, n, f); fclose(f); }
*derLen = n;
// Der Browser der Miiverse-App liest die CA (PEM) von der SD-Karte
bool ok = write_atomic(CA_PEM_FILE, pem, p) && write_atomic(CA_DER_CACHE, der, n);
*changed = ok;
return ok;
}
bool olvpatch_fetch_ca(const char *server, u8 *der, u32 *derLen)
{
if ((*derLen = read_cached(der))) return true;
bool changed;
return olvpatch_refresh_ca(server, &changed) && (*derLen = read_cached(der)) != 0;
}
bool olvpatch_ca_cached(void)
{
static u8 der[CA_MAX + 1];
return read_cached(der) != 0;
}
bool olvpatch_supported(const u8 *code, u32 size)
{
u32 off = DISCOVERY_ADDR - CODE_BASE;