Lockpick/source/nx/set_ext.c

#include "set_ext.h"

#include <switch/arm/atomics.h>
#include <switch/services/sm.h>
#include <switch/types.h>

static Service g_setcalSrv;
static u64 g_refCntCal;

Result setcalInitialize(void) {
    atomicIncrement64(&g_refCntCal);

    if (serviceIsActive(&g_setcalSrv))
        return MAKERESULT(Module_Libnx, LibnxError_AlreadyInitialized);

    return smGetService(&g_setcalSrv, "set:cal");
}

void setcalExit(void) {
    if (atomicDecrement64(&g_refCntCal) == 0) {
        serviceClose(&g_setcalSrv);
    }
}

Result setcalGetEticketDeviceKey(void *key) {
    IpcCommand c;
    ipcInitialize(&c);
    ipcAddRecvBuffer(&c, key, 0x244, 0);

    struct {
        u64 magic;
        u64 cmd_id;
    } *raw;

    raw = ipcPrepareHeader(&c, sizeof(*raw));

    raw->magic = SFCI_MAGIC;
    raw->cmd_id = 21;

    Result rc = serviceIpcDispatch(&g_setcalSrv);

    if (R_SUCCEEDED(rc)) {
        IpcParsedCommand r;
        ipcParse(&r);

        struct {
            u64 magic;
            u64 result;
        } *resp = r.Raw;

        rc = resp->result;
    }

    return rc;
}