NosTale Q&A

Quote:

Originally Posted by IceTrailer Where do you have the packet from? Make sure to use your GUID and to generate the hash automatically (so you don‘t have to change it everytime the client gets an update)

Quote:

Originally Posted by Kolzy16 The packet is from the packetlooger, I just copy paste it.

Quote:

Originally Posted by IceTrailer Then generate it?

Quote:

Originally Posted by Kolzy16 But why it doesn't work, it is supossed to work no? It's the same packet.

Quote:

Originally Posted by IceTrailer Where do you have the packet from? Make sure to use your GUID and to generate the hash automatically (so you don‘t have to change it everytime the client gets an update)

Quote:

Originally Posted by IceTrailer No and no. When you have decrypted bytes you should never use a string due to the null byte. Use a std::vector. And no, C/C++ terminates strings on the first found \0 byte. You cannot change that.

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Originally Posted by Cryless~ What you said is a bullshit. In fact, std::string is not caring \0 at all. :facepalm:

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Originally Posted by IceTrailer It is not bullshit since it's about printing a encrypted text packet which contains \0. He might use a vector from the beginning which makes it easier than with a std::string.

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Originally Posted by Kolzy16 Couldn't I work with strings instead of vectors? And, is there a possible way to try avoiding the "\0" while you convert string to const char*?

int main()
{
	std::string packet = "NoS0575 7031428 Test 3213852420455EE02E4F9FB7E1263751BA49DC01278E8D8AC6B094C2AD555ABE3512267B6A2D9528A2234E6A90E295E95E12"
		"4AE0AB2E54C406C49B533293B3CF c594947f-d4a9-4462-b545-ad7ddbfd71a2 006EC080\x0B0.9.3.3104 0 2F65F4A00E723E4281EFE51CACE4039D";
		
	// print plaintext packet
	
	std::cout << packet << std::endl;
	
	// encrypt
	
	for (std::size_t i = 0; i < packet.length(); i++)
	{
		packet[i] ^= 0xC3;
		packet[i] += 0x0F;
	}
	
	// print encrypted packet
	
	std::cout << packet << std::endl;
	
	// ws2_32.send()
	
	send(socket, packet.c_str(), packet.length(), NULL);
	
	return 0;
}

Quote:

Originally Posted by Kolzy16 Someone could help me to compile curl library for windows? I want to use it but I don't know how to compile this damn library.

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Originally Posted by Pumba98 [Only registered and activated users can see links. Click Here To Register...] You can find compiled binaries too

#include <iostream>
#include <string>
#include "curl.h"

static size_t WriteCallback(void* contents, size_t size, size_t nmemb, void* userp)
{
	((std::string*)userp)->append((char*)contents, size * nmemb);
	return size * nmemb;
}

int main(void)
{
	CURL* curl;
	CURLcode res;
	std::string readBuffer;

	curl = curl_easy_init();
	if (curl) {
		curl_easy_setopt(curl, CURLOPT_URL, "http://www.google.com");
		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
		curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
		res = curl_easy_perform(curl);
		curl_easy_cleanup(curl);

		std::cout << readBuffer << std::endl;
	}
	return 0;
}

Quote:

Originally Posted by Kolzy16 Do you know why I get this error? Did I linked bad the libraries? [Only registered and activated users can see links. Click Here To Register...] Code: #include <iostream> #include <string> #include "curl.h" static size_t WriteCallback(void* contents, size_t size, size_t nmemb, void* userp) { ((std::string*)userp)->append((char*)contents, size * nmemb); return size * nmemb; } int main(void) { CURL* curl; CURLcode res; std::string readBuffer; curl = curl_easy_init(); if (curl) { curl_easy_setopt(curl, CURLOPT_URL, "http://www.google.com"); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback); curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer); res = curl_easy_perform(curl); curl_easy_cleanup(curl); std::cout << readBuffer << std::endl; } return 0; }

Quote:

Originally Posted by Cryless~ I thought you wanted help for C++ code. Why I see you only posting C code in 2 pages? It is horrible to read. You probably want to use Boost.Beast instead of curl: [Only registered and activated users can see links. Click Here To Register...] To solve your error you have to link curl .lib(s)

Quote:

Originally Posted by Kolzy16 My idea is to do it in C++ but I took this example code for a random page.