network/boss/source/main.c

#include <string.h>
#include <stdio.h>
 
#include <3ds.h>
 
char regionids_table[7][4] = {//https://3dbrew.org/wiki/Nandrw/sys/SecureInfo_A
"JPN",
"USA",
"EUR",
"JPN", //"AUS"
"CHN",
"KOR",
"TWN"
};
 
Result setup_boss()
{
 Result ret=0;
 u32 test_NsDataId = 0x57524248;//This can be anything.
 
 u8 region=0;
 
 bossContext ctx;
 u8 status=0;
 u32 tmp=0;
 u32 contentsize=0;
 
 char *taskID = "tmptask";//Should be unique per task(and unique per homebrew when running under *hax payload >=v2.8), unless the task is deleted afterwards.
 
 char tmpstr[256];
 
 printf("Running BOSS setup...\n");
 
 ret = cfguInit();
 if(ret!=0)
 {
 printf("Failed to init cfg: 0x%08x.\n", (unsigned int)ret);
 return ret;
 }
 ret = CFGU_SecureInfoGetRegion(&region);
 if(ret!=0)
 {
 printf("Failed to get region from cfg: 0x%08x.\n", (unsigned int)ret);
 return ret;
 }
 if(region>=7)
 {
 printf("Region value from cfg is invalid: 0x%02x.\n", (unsigned int)region);
 ret = -9;
 return ret;
 }
 cfguExit();
 
 ret = bossInit(0, false);
 if(R_FAILED(ret))return ret;
 
 //If you're using background tasks you should check whether the task exists first, and skip task setup if so.
 
 bossDeleteTask(taskID, 0);
 bossDeleteNsData(test_NsDataId);
 
 //HTTP is used here since it's currently unknown how to setup a non-default rootCA cert for BOSS.
 //This uses a 60-second interval, with background tasks you will probably want to change that.
 //You can change the below URL to your own, the URL should include region info(see README).
 
 memset(tmpstr, 0, sizeof(tmpstr));
 snprintf(tmpstr, sizeof(tmpstr)-1, "http://yls8.mtheall.com/boss/libctru_example/%s_bossdata0.bin", regionids_table[region]);
 
 bossSetupContextDefault(&ctx, 60, tmpstr);
 
 ret = bossSendContextConfig(&ctx);
 if(R_FAILED(ret))printf("bossSendContextConfig returned 0x%08x.\n", (unsigned int)ret);
 
 if(R_SUCCEEDED(ret))
 {
 ret = bossRegisterTask(taskID, 0, 0);
 if(R_FAILED(ret))printf("bossRegisterTask returned 0x%08x.\n", (unsigned int)ret);
 
 if(R_SUCCEEDED(ret))
 {
 ret = bossStartTaskImmediate(taskID);
 if(R_FAILED(ret))printf("bossStartTaskImmediate returned 0x%08x.\n", (unsigned int)ret);
 
 //The below is only needed if you want to process the content immediately.
 
 if(R_SUCCEEDED(ret))
 {
 printf("Waiting for the task to finish running...\n");
 
 while(1)
 {
 ret = bossGetTaskState(taskID, 0, &status, NULL, NULL);
 if(R_FAILED(ret))
 {
 printf("bossGetTaskState returned 0x%08x.\n", (unsigned int)ret);
 break;
 }
 if(R_SUCCEEDED(ret))
 {
 printf("...\n");
 }
 
 if(status!=BOSSTASKSTATUS_STARTED)break;
 
 svcSleepThread(1000000000LL);//Delay 1s.
 }
 }
 
 if(R_SUCCEEDED(ret) && status==BOSSTASKSTATUS_ERROR)
 {
 printf("BOSS task failed. This usually indicates a network failure.\n");
 ret = -9;
 }
 
 if(R_SUCCEEDED(ret))
 {
 printf("Reading BOSS content...\n");
 
 ret = bossGetNsDataHeaderInfo(test_NsDataId, bossNsDataHeaderInfoType_ContentSize, &contentsize, bossNsDataHeaderInfoTypeSize_ContentSize);
 if(R_FAILED(ret))printf("bossGetNsDataHeaderInfo returned 0x%08x.\n", (unsigned int)ret);
 
 if(R_SUCCEEDED(ret))
 {
 printf("Content size: 0x%x.\n", (unsigned int)contentsize);
 if(contentsize > sizeof(tmpstr)-1)contentsize = sizeof(tmpstr)-1;
 
 tmp = 0;
 memset(tmpstr, 0, sizeof(tmpstr));
 ret = bossReadNsData(test_NsDataId, 0, tmpstr, contentsize, &tmp, NULL);
 if(R_FAILED(ret))printf("bossReadNsData returned 0x%08x, transfer_total=0x%x.\n", (unsigned int)ret, (unsigned int)tmp);
 }
 
 if(R_SUCCEEDED(ret) && tmp!=contentsize)ret = -10;
 
 //This verifies that the first 4-bytes matches the expected data, but you can do whatever with the loaded content here.
 if(R_SUCCEEDED(ret) && strncmp(tmpstr, "Test", 4))ret = -11;
 
 if(R_SUCCEEDED(ret))printf("Content data at offset 0x4: %s\n", &tmpstr[4]);
 
 if(R_FAILED(ret))printf("BOSS data reading failed: 0x%08x.\n", (unsigned int)ret);
 }
 
 bossDeleteTask(taskID, 0);//Don't run this if you want a background task.
 bossDeleteNsData(test_NsDataId);//Don't run this if the SpotPass content will be used again later.
 }
 }
 
 if(R_SUCCEEDED(ret))printf("Done.\n");
 
 bossExit();
 
 return ret;
}
 
int main(int argc, char **argv) {
 
 Result ret = 0;
 
 gfxInitDefault();
 consoleInit(GFX_TOP, NULL);
 
 ret = setup_boss();
 if(R_FAILED(ret))printf("setup_boss() failed: 0x%08x.\n", (unsigned int)ret);
 
 printf("Press START to exit.\n");
 
 // Main loop
 while (aptMainLoop()) {
 
 gspWaitForVBlank();
 hidScanInput();
 
 // Your code goes here
 
 u32 kDown = hidKeysDown();
 if (kDown & KEY_START)
 break; // break in order to return to hbmenu
 
 // Flush and swap framebuffers
 gfxFlushBuffers();
 gfxSwapBuffers();
 }
 
 gfxExit();
 return 0;
}