main.c

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#include <switch.h>
#include "web_wifi.h"

#define PRINT_RC(str, rc) printf("[!] %s: [0x%x] %04d-%04d\n", str, rc, R_MODULE(rc), R_DESCRIPTION(rc))

void userAppInit() {
	consoleInit(NULL);
	socketInitializeDefault();
	nxlinkStdio();
}

void userAppExit() {
	consoleExit(NULL);
	socketExit();
}


void showWebWifi() {
	printf("* showWebWifi\n");
	Result rc = 0;
	WebWifiConfig config;
	printf("sizeof(config): %lx\n", sizeof(config));
	printf("sizeof(config.arg): %lx\n", sizeof(config.arg));
	
	webWifiCreate(&config, "http://google.fr");
	rc = webWifiShow(&config);
	PRINT_RC("webWifiShow", rc);
}

int main(int argc, char *argv[]) {
	printf(
		"START\n"
		"======\n"
		"Press B to show a webpage using wifiwebauth\n"
		"======\n"
		"Press + to exit\n"
	);

	while (appletMainLoop()) {
		hidScanInput();

		u64 kDown = hidKeysDown(CONTROLLER_P1_AUTO);
		
		if (kDown & KEY_PLUS) {
			break;
		}

		if (kDown & KEY_B) {
			showWebWifi();
		}
		
		consoleUpdate(NULL);
	}

	return 0;
}

web_wifi.c

#include "web_wifi.h"
#include <string.h>
#include <malloc.h>

static void _webWifiUrlCreate(WebWifiPageArgUrl* argUrl, const char* url) {
	strncpy(argUrl->url, url, sizeof(argUrl->url)-1);
}

void webWifiCreate(WebWifiConfig* config, const char* url) {
	memset(config, 0, sizeof(WebWifiConfig));
	_webWifiUrlCreate(&config->arg.url1, url);
	_webWifiUrlCreate(&config->arg.url2, url);
}


Result webWifiShow(WebWifiConfig* config) {
	Result rc = 0;
	AppletHolder holder;
	AppletStorage storage;

	memset(&storage, 0, sizeof(AppletStorage));

	rc = appletCreateLibraryApplet(&holder, AppletId_wifiWebAuth, LibAppletMode_AllForeground);
	if (R_FAILED(rc)) return rc;

	LibAppletArgs commonargs;
	libappletArgsCreate(&commonargs, 0);
	rc = libappletArgsPush(&commonargs, &holder);

	if (R_SUCCEEDED(rc)) rc = libappletPushInData(&holder, &config->arg, sizeof(config->arg));

	if (R_SUCCEEDED(rc)) rc = appletHolderStart(&holder);
	
	if (R_SUCCEEDED(rc)) {
		while(appletHolderWaitInteractiveOut(&holder)) {
			//TODO: Handle Interactive data here.
		}
	}

	if (R_SUCCEEDED(rc)) {
		appletHolderJoin(&holder);

		LibAppletExitReason reason = appletHolderGetExitReason(&holder);

		if (reason == LibAppletExitReason_Abnormal || reason == LibAppletExitReason_Unexpected) {
			//TODO: Official sw asserts here - return a proper error here.
			return -1;
		}
	}

	appletHolderClose(&holder);

	return rc;
}

web_wifi.h

#pragma once
#include <switch.h>

typedef struct {
	u8 unk1[0x4];
	char url[0xFC];
} WebWifiPageArgUrl;

typedef struct {
	WebWifiPageArgUrl url1;
	WebWifiPageArgUrl url2;
	u8 unkgap1 [0x300];
	u8 unk2[0x18];
} WebWifiPageArg;

typedef struct {
	WebWifiPageArg arg;
} WebWifiConfig;

void webWifiCreate(WebWifiConfig* config, const char* url);
Result webWifiShow(WebWifiConfig* config);