Files
wlan-cloud-ucentralsec/src/framework/utils.cpp
2023-10-04 08:52:58 -07:00

946 lines
27 KiB
C++

//
// Created by stephane bourque on 2022-10-25.
//
#include "Poco/Path.h"
#include "Poco/TemporaryFile.h"
#include "Poco/Crypto/ECKey.h"
#include "framework/AppServiceRegistry.h"
#include "framework/utils.h"
#include <iostream>
#include <cstdlib>
#include <ctime>
#include <string>
#include <algorithm>
#include <resolv.h>
namespace OpenWifi::Utils {
bool NormalizeMac(std::string &Mac) {
Poco::replaceInPlace(Mac, ":", "");
Poco::replaceInPlace(Mac, "-", "");
if (Mac.size() != 12)
return false;
for (const auto &i : Mac) {
if (!std::isxdigit(i))
return false;
}
Poco::toLowerInPlace(Mac);
return true;
}
[[nodiscard]] bool ValidSerialNumber(const std::string &Serial) {
return ((Serial.size() < uCentralProtocol::SERIAL_NUMBER_LENGTH) &&
std::all_of(Serial.begin(), Serial.end(), [](auto i) { return std::isxdigit(i); }));
}
[[nodiscard]] bool ValidSerialNumbers(const std::vector<std::string> &numbers) {
return std::all_of(numbers.begin(),numbers.end(),[](auto &number) {return ValidSerialNumber(number);});
}
[[nodiscard]] bool ValidUUID(const std::string &UUID) {
if (UUID.size() > 36)
return false;
uint dashes = 0;
return (std::all_of(UUID.begin(), UUID.end(),
[&](auto i) {
if (i == '-')
dashes++;
return i == '-' || std::isxdigit(i);
})) &&
(dashes > 0);
}
[[nodiscard]] std::vector<std::string> Split(const std::string &List, char Delimiter) {
std::vector<std::string> ReturnList;
unsigned long P = 0;
while (P < List.size()) {
unsigned long P2 = List.find_first_of(Delimiter, P);
if (P2 == std::string::npos) {
ReturnList.push_back(List.substr(P));
break;
} else
ReturnList.push_back(List.substr(P, P2 - P));
P = P2 + 1;
}
return ReturnList;
}
[[nodiscard]] std::string FormatIPv6(const std::string &I) {
if (I.substr(0, 8) == "[::ffff:") {
unsigned long PClosingBracket = I.find_first_of(']');
std::string ip = I.substr(8, PClosingBracket - 8);
std::string port = I.substr(PClosingBracket + 1);
return ip + port;
}
return I;
}
void padTo(std::string &str, size_t num, char paddingChar) {
str.append(num - str.length() % num, paddingChar);
}
[[nodiscard]] std::string SerialToMAC(const std::string &Serial) {
std::string R = Serial;
if (R.size() < 12)
padTo(R, 12, '0');
else if (R.size() > 12)
R = R.substr(0, 12);
char buf[18];
buf[0] = R[0];
buf[1] = R[1];
buf[2] = ':';
buf[3] = R[2];
buf[4] = R[3];
buf[5] = ':';
buf[6] = R[4];
buf[7] = R[5];
buf[8] = ':';
buf[9] = R[6];
buf[10] = R[7];
buf[11] = ':';
buf[12] = R[8];
buf[13] = R[9];
buf[14] = ':';
buf[15] = R[10];
buf[16] = R[11];
buf[17] = 0;
return buf;
}
uint64_t MACToInt(const std::string &MAC) {
uint64_t Result = 0;
for (const auto &c : MAC) {
if (c == ':')
continue;
Result <<= 4;
if (c >= '0' && c <= '9') {
Result += (c - '0');
} else if (c >= 'a' && c <= 'f') {
Result += (c - 'a' + 10);
} else if (c >= 'A' && c <= 'F') {
Result += (c - 'A' + 10);
}
}
return Result;
}
[[nodiscard]] bool ValidHostname(const std::string &Hostname) {
static std::regex HostNameRegex(
"^(?!-)[A-Za-z0-9-]+([\\-\\.]{1}[a-z0-9]+)*\\.[A-Za-z]{2,6}$");
return std::regex_match(Hostname, HostNameRegex);
}
[[nodiscard]] bool ValidNumber(const std::string &number, bool isSigned)
{
static std::regex IntRegex("^-?[0-9]\\d*(\\.\\d+)?$");
if(!isSigned) {
IntRegex = "^[0-9]\\d*(\\.\\d+)?$";
}
return std::regex_match(number, IntRegex);
}
[[nodiscard]] std::string ToHex(const std::vector<unsigned char> &B) {
std::string R;
R.reserve(B.size() * 2);
static const char hex[] = "0123456789abcdef";
for (const auto &i : B) {
R += (hex[(i & 0xf0) >> 4]);
R += (hex[(i & 0x0f)]);
}
return R;
}
inline static const char kEncodeLookup[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
inline static const char kPadCharacter = '=';
using byte = std::uint8_t;
[[nodiscard]] std::string base64encode(const byte *input, uint32_t size) {
std::string encoded;
encoded.reserve(((size / 3) + (size % 3 > 0)) * 4);
std::uint32_t temp, i, ee;
ee = (size / 3);
for (i = 0; i < 3 * ee; ++i) {
temp = input[i++] << 16;
temp += input[i++] << 8;
temp += input[i];
encoded.append(1, kEncodeLookup[(temp & 0x00FC0000) >> 18]);
encoded.append(1, kEncodeLookup[(temp & 0x0003F000) >> 12]);
encoded.append(1, kEncodeLookup[(temp & 0x00000FC0) >> 6]);
encoded.append(1, kEncodeLookup[(temp & 0x0000003F)]);
}
switch (size % 3) {
case 1:
temp = input[i] << 16;
encoded.append(1, kEncodeLookup[(temp & 0x00FC0000) >> 18]);
encoded.append(1, kEncodeLookup[(temp & 0x0003F000) >> 12]);
encoded.append(2, kPadCharacter);
break;
case 2:
temp = input[i++] << 16;
temp += input[i] << 8;
encoded.append(1, kEncodeLookup[(temp & 0x00FC0000) >> 18]);
encoded.append(1, kEncodeLookup[(temp & 0x0003F000) >> 12]);
encoded.append(1, kEncodeLookup[(temp & 0x00000FC0) >> 6]);
encoded.append(1, kPadCharacter);
break;
}
return encoded;
}
[[nodiscard]] std::vector<byte> base64decode(const std::string &input) {
if (input.length() % 4)
throw std::runtime_error("Invalid base64 length!");
std::size_t padding = 0;
if (input.length()) {
if (input[input.length() - 1] == kPadCharacter)
padding++;
if (input[input.length() - 2] == kPadCharacter)
padding++;
}
std::vector<byte> decoded;
decoded.reserve(((input.length() / 4) * 3) - padding);
std::uint32_t temp = 0;
auto it = input.begin();
while (it < input.end()) {
for (std::size_t i = 0; i < 4; ++i) {
temp <<= 6;
if (*it >= 0x41 && *it <= 0x5A)
temp |= *it - 0x41;
else if (*it >= 0x61 && *it <= 0x7A)
temp |= *it - 0x47;
else if (*it >= 0x30 && *it <= 0x39)
temp |= *it + 0x04;
else if (*it == 0x2B)
temp |= 0x3E;
else if (*it == 0x2F)
temp |= 0x3F;
else if (*it == kPadCharacter) {
switch (input.end() - it) {
case 1:
decoded.push_back((temp >> 16) & 0x000000FF);
decoded.push_back((temp >> 8) & 0x000000FF);
return decoded;
case 2:
decoded.push_back((temp >> 10) & 0x000000FF);
return decoded;
default:
throw std::runtime_error("Invalid padding in base64!");
}
} else
throw std::runtime_error("Invalid character in base64!");
++it;
}
decoded.push_back((temp >> 16) & 0x000000FF);
decoded.push_back((temp >> 8) & 0x000000FF);
decoded.push_back((temp)&0x000000FF);
}
return decoded;
}
bool ParseTime(const std::string &Time, int &Hours, int &Minutes, int &Seconds) {
Poco::StringTokenizer TimeTokens(Time, ":", Poco::StringTokenizer::TOK_TRIM);
Hours = Minutes = Seconds = 0;
if (TimeTokens.count() == 1) {
Hours = std::atoi(TimeTokens[0].c_str());
} else if (TimeTokens.count() == 2) {
Hours = std::atoi(TimeTokens[0].c_str());
Minutes = std::atoi(TimeTokens[1].c_str());
} else if (TimeTokens.count() == 3) {
Hours = std::atoi(TimeTokens[0].c_str());
Minutes = std::atoi(TimeTokens[1].c_str());
Seconds = std::atoi(TimeTokens[2].c_str());
} else
return false;
return true;
}
bool ParseDate(const std::string &Time, int &Year, int &Month, int &Day) {
Poco::StringTokenizer DateTokens(Time, "-", Poco::StringTokenizer::TOK_TRIM);
Year = Month = Day = 0;
if (DateTokens.count() == 3) {
Year = std::atoi(DateTokens[0].c_str());
Month = std::atoi(DateTokens[1].c_str());
Day = std::atoi(DateTokens[2].c_str());
} else
return false;
return true;
}
bool CompareTime(int H1, int H2, int M1, int M2, int S1, int S2) {
if (H1 < H2)
return true;
if (H1 > H2)
return false;
if (M1 < M2)
return true;
if (M2 > M1)
return false;
if (S1 <= S2)
return true;
return false;
}
[[nodiscard]] std::string LogLevelToString(int Level) {
switch (Level) {
case Poco::Message::PRIO_DEBUG:
return "debug";
case Poco::Message::PRIO_INFORMATION:
return "information";
case Poco::Message::PRIO_FATAL:
return "fatal";
case Poco::Message::PRIO_WARNING:
return "warning";
case Poco::Message::PRIO_NOTICE:
return "notice";
case Poco::Message::PRIO_CRITICAL:
return "critical";
case Poco::Message::PRIO_ERROR:
return "error";
case Poco::Message::PRIO_TRACE:
return "trace";
default:
return "none";
}
}
[[nodiscard]] uint64_t SerialNumberToInt(const std::string &S) {
return std::stoull(S, nullptr, 16);
}
[[nodiscard]] std::string IntToSerialNumber(uint64_t S) {
char b[16];
for (int i = 0; i < 12; ++i) {
int B = (S & 0x0f);
if (B < 10)
b[11 - i] = B + '0';
else
b[11 - i] = B - 10 + 'a';
S >>= 4;
}
b[12] = 0;
return b;
}
[[nodiscard]] bool SerialNumberMatch(const std::string &S1, const std::string &S2, int Bits) {
auto S1_i = SerialNumberToInt(S1);
auto S2_i = SerialNumberToInt(S2);
return ((S1_i >> Bits) == (S2_i >> Bits));
}
[[nodiscard]] uint64_t SerialNumberToOUI(const std::string &S) {
uint64_t Result = 0;
int Digits = 0;
for (const auto &i : S) {
if (std::isxdigit(i)) {
if (i >= '0' && i <= '9') {
Result <<= 4;
Result += i - '0';
} else if (i >= 'A' && i <= 'F') {
Result <<= 4;
Result += i - 'A' + 10;
} else if (i >= 'a' && i <= 'f') {
Result <<= 4;
Result += i - 'a' + 10;
}
Digits++;
if (Digits == 6)
break;
}
}
return Result;
}
[[nodiscard]] uint64_t GetDefaultMacAsInt64() {
uint64_t Result = 0;
auto IFaceList = Poco::Net::NetworkInterface::list();
for (const auto &iface : IFaceList) {
if (iface.isRunning() && !iface.isLoopback()) {
auto MAC = iface.macAddress();
for (auto const &i : MAC) {
Result <<= 8;
Result += (uint8_t)i;
}
if (Result != 0)
break;
}
}
return Result;
}
[[nodiscard]] uint64_t InitializeSystemId() {
std::random_device RDev;
std::srand(RDev());
std::chrono::high_resolution_clock Clock;
auto Now = Clock.now().time_since_epoch().count();
auto S = (GetDefaultMacAsInt64() + std::rand() + Now);
OpenWifi::AppServiceRegistry().Set("systemid", S);
return S;
}
[[nodiscard]] uint64_t GetSystemId() {
uint64_t ID = 0;
if (!AppServiceRegistry().Get("systemid", ID)) {
return InitializeSystemId();
}
return ID;
}
[[nodiscard]] bool ValidEMailAddress(const std::string &email) {
// define a regular expression
static const std::regex pattern(
"[_a-z0-9-]+(\\.[_a-z0-9-]+)*(\\+[a-z0-9-]+)?@[a-z0-9-]+(\\.[a-z0-9-]+)*");
// try to match the string with the regular expression
return std::regex_match(email, pattern);
}
[[nodiscard]] std::string LoadFile(const Poco::File &F) {
std::string Result;
try {
std::ostringstream OS;
std::ifstream IF(F.path());
Poco::StreamCopier::copyStream(IF, OS);
Result = OS.str();
} catch (...) {
}
return Result;
}
void ReplaceVariables(std::string &Content, const Types::StringPairVec &P) {
for (const auto &[Variable, Value] : P) {
Poco::replaceInPlace(Content, "${" + Variable + "}", Value);
}
}
[[nodiscard]] MediaTypeEncoding FindMediaType(const Poco::File &F) {
const auto E = Poco::Path(F.path()).getExtension();
if (E == "png")
return MediaTypeEncoding{.Encoding = BINARY, .ContentType = "image/png"};
if (E == "gif")
return MediaTypeEncoding{.Encoding = BINARY, .ContentType = "image/gif"};
if (E == "jpeg" || E == "jpg")
return MediaTypeEncoding{.Encoding = BINARY, .ContentType = "image/jpeg"};
if (E == "svg" || E == "svgz")
return MediaTypeEncoding{.Encoding = PLAIN, .ContentType = "image/svg+xml"};
if (E == "html")
return MediaTypeEncoding{.Encoding = PLAIN, .ContentType = "text/html"};
if (E == "css")
return MediaTypeEncoding{.Encoding = PLAIN, .ContentType = "text/css"};
if (E == "js")
return MediaTypeEncoding{.Encoding = PLAIN, .ContentType = "application/javascript"};
if (E == "pcap")
return MediaTypeEncoding{.Encoding = BINARY, .ContentType = "application/vnd.tcpdump.pcap"};
if (E == "txt")
return MediaTypeEncoding{.Encoding = PLAIN, .ContentType = "text/plain"};
if (E == "tgz")
return MediaTypeEncoding{.Encoding = BINARY, .ContentType = "application/tar+gzip"};
if (E == "gz" || E=="gzip")
return MediaTypeEncoding{.Encoding = BINARY, .ContentType = "application/gzip"};
return MediaTypeEncoding{.Encoding = BINARY, .ContentType = "application/octet-stream"};
}
[[nodiscard]] std::string BinaryFileToHexString(const Poco::File &F) {
static const char hex[] = "0123456789abcdef";
std::string Result;
try {
std::ifstream IF(F.path());
int Count = 0;
while (IF.good()) {
if (Count)
Result += ", ";
if ((Count % 32) == 0)
Result += "\r\n";
Count++;
unsigned char C = IF.get();
Result += "0x";
Result += (char)(hex[(C & 0xf0) >> 4]);
Result += (char)(hex[(C & 0x0f)]);
}
} catch (...) {
}
return Result;
}
[[nodiscard]] std::string SecondsToNiceText(uint64_t Seconds) {
std::string Result;
int Days = Seconds / (24 * 60 * 60);
Seconds -= Days * (24 * 60 * 60);
int Hours = Seconds / (60 * 60);
Seconds -= Hours * (60 * 60);
int Minutes = Seconds / 60;
Seconds -= Minutes * 60;
Result = std::to_string(Days) + " days, " + std::to_string(Hours) + ":" +
std::to_string(Minutes) + ":" + std::to_string(Seconds);
return Result;
}
[[nodiscard]] bool wgets(const std::string &URL, std::string &Response) {
try {
Poco::URI uri(URL);
Poco::Net::HTTPSClientSession session(uri.getHost(), uri.getPort());
// prepare path
std::string path(uri.getPathAndQuery());
if (path.empty()) {
path = "/";
}
// send request
Poco::Net::HTTPRequest req(Poco::Net::HTTPRequest::HTTP_GET, path,
Poco::Net::HTTPMessage::HTTP_1_1);
session.sendRequest(req);
Poco::Net::HTTPResponse res;
std::istream &is = session.receiveResponse(res);
std::ostringstream os;
Poco::StreamCopier::copyStream(is, os);
Response = os.str();
return true;
} catch (...) {
}
return false;
}
[[nodiscard]] bool wgetfile(const Poco::URI &uri, const std::string &FileName) {
try {
Poco::Net::HTTPSClientSession session(uri.getHost(), uri.getPort());
// send request
Poco::Net::HTTPRequest req(Poco::Net::HTTPRequest::HTTP_GET, uri.getPath(),
Poco::Net::HTTPMessage::HTTP_1_1);
session.sendRequest(req);
Poco::Net::HTTPResponse res;
std::istream &is = session.receiveResponse(res);
std::fstream os(FileName,
std::ios_base::trunc | std::ios_base::binary | std::ios_base::out);
Poco::StreamCopier::copyStream(is, os);
return true;
} catch (...) {
}
return false;
}
bool ExtractBase64CompressedData(const std::string &CompressedData,
std::string &UnCompressedData, uint64_t compress_sz) {
std::istringstream ifs(CompressedData);
Poco::Base64Decoder b64in(ifs);
std::ostringstream ofs;
Poco::StreamCopier::copyStream(b64in, ofs);
int factor = 20;
unsigned long MaxSize = compress_sz ? (unsigned long)(compress_sz + 5000)
: (unsigned long)(ofs.str().size() * factor);
while (true) {
std::vector<uint8_t> UncompressedBuffer(MaxSize);
unsigned long FinalSize = MaxSize;
auto status = uncompress((uint8_t *)&UncompressedBuffer[0], &FinalSize,
(uint8_t *)ofs.str().c_str(), ofs.str().size());
if (status == Z_OK) {
UncompressedBuffer[FinalSize] = 0;
UnCompressedData = (char *)&UncompressedBuffer[0];
return true;
}
if (status == Z_BUF_ERROR) {
if (factor < 300) {
factor += 10;
MaxSize = ofs.str().size() * factor;
continue;
} else {
return false;
}
}
return false;
}
return false;
}
bool IsAlphaNumeric(const std::string &s) {
return std::all_of(s.begin(), s.end(), [](char c) -> bool { return isalnum(c); });
}
std::string SanitizeToken(const std::string &Token) {
if (Token.size() > 8) {
return Token.substr(0, 4) + "****" + Token.substr(Token.size() - 4, 4);
}
return "*******";
}
[[nodiscard]] bool ValidateURI(const std::string &uri) {
try {
Poco::URI u(uri);
return true;
} catch (...) {
}
return false;
}
[[nodiscard]] std::uint64_t ConvertDate(const std::string &Date) {
Poco::DateTime DT;
int TZ;
Poco::DateTimeParser::parse(Poco::DateTimeFormat::ISO8601_FORMAT, Date, DT, TZ);
return DT.timestamp().epochTime();
}
static std::string FileToString(const std::string &Filename) {
std::ifstream ifs(Filename.c_str(),std::ios_base::in|std::ios_base::binary);
std::ostringstream os;
Poco::StreamCopier::copyStream(ifs,os);
return os.str();
}
bool CreateX509CSR(const CSRCreationParameters & Parameters, CSRCreationResults & Results) {
int ret = 0;
RSA *r = nullptr;
BIGNUM *bne = nullptr;
int nVersion = 0;
unsigned long e = RSA_F4;
X509_REQ *x509_req = nullptr;
X509_NAME *x509_name = nullptr;
EVP_PKEY *pKey = nullptr;
// RSA *tem = nullptr;
// BIO *bio_err = nullptr;
const char *szCountry = Parameters.Country.c_str();
const char *szProvince = Parameters.Province.c_str();
const char *szCity = Parameters.City.c_str();
const char *szOrganization = Parameters.Organization.c_str();
const char *szCommon = Parameters.CommonName.c_str();
Poco::TemporaryFile CsrPath, PubKey, PrivateKey;
std::string Result;
std::ifstream ifs;
std::ostringstream ss;
BIO *bp_public = nullptr,
*bp_private = nullptr,
*bp_csr = nullptr;
// 1. generate rsa key
bne = BN_new();
ret = BN_set_word(bne,e);
if(ret != 1){
goto free_all;
}
r = RSA_new();
ret = RSA_generate_key_ex(r, Parameters.bits, bne, nullptr);
if(ret != 1){
goto free_all;
}
bp_public = BIO_new_file(PubKey.path().c_str(), "w+");
ret = PEM_write_bio_RSAPublicKey(bp_public, r);
if(ret != 1) {
goto free_all;
}
bp_private = BIO_new_file(PrivateKey.path().c_str(), "w+");
ret = PEM_write_bio_RSAPrivateKey(bp_private, r, NULL, NULL, 0, NULL, NULL);
if(ret != 1) {
goto free_all;
}
// 2. set version of x509 req
x509_req = X509_REQ_new();
ret = X509_REQ_set_version(x509_req, nVersion);
if (ret != 1){
goto free_all;
}
// 3. set subject of x509 req
x509_name = X509_REQ_get_subject_name(x509_req);
ret = X509_NAME_add_entry_by_txt(x509_name,"C", MBSTRING_ASC, (const unsigned char*)szCountry, -1, -1, 0);
if (ret != 1){
goto free_all;
}
ret = X509_NAME_add_entry_by_txt(x509_name,"ST", MBSTRING_ASC, (const unsigned char*)szProvince, -1, -1, 0);
if (ret != 1){
goto free_all;
}
ret = X509_NAME_add_entry_by_txt(x509_name,"L", MBSTRING_ASC, (const unsigned char*)szCity, -1, -1, 0);
if (ret != 1){
goto free_all;
}
ret = X509_NAME_add_entry_by_txt(x509_name,"O", MBSTRING_ASC, (const unsigned char*)szOrganization, -1, -1, 0);
if (ret != 1){
goto free_all;
}
ret = X509_NAME_add_entry_by_txt(x509_name,"CN", MBSTRING_ASC, (const unsigned char*)szCommon, -1, -1, 0);
if (ret != 1){
goto free_all;
}
// 4. set public key of x509 req
pKey = EVP_PKEY_new();
EVP_PKEY_assign_RSA(pKey, r);
r = nullptr; // will be free rsa when EVP_PKEY_free(pKey)
ret = X509_REQ_set_pubkey(x509_req, pKey);
if (ret != 1){
goto free_all;
}
// 5. set sign key of x509 req
ret = X509_REQ_sign(x509_req, pKey, EVP_sha1()); // return x509_req->signature->length
if (ret <= 0){
goto free_all;
}
bp_csr = BIO_new_file(CsrPath.path().c_str(),"w");
ret = PEM_write_bio_X509_REQ(bp_csr, x509_req);
// 6. free
free_all:
X509_REQ_free(x509_req);
BIO_free_all(bp_csr);
BIO_free_all(bp_public);
BIO_free_all(bp_private);
EVP_PKEY_free(pKey);
BN_free(bne);
if(ret==1) {
Results.CSR = FileToString(CsrPath.path());
Results.PrivateKey = FileToString(PrivateKey.path());
Results.PublicKey = FileToString(PubKey.path());
}
return ret;
}
bool VerifyECKey(const std::string &key) {
try {
Poco::TemporaryFile F;
std::ofstream of(F.path().c_str(), std::ios_base::trunc | std::ios_base::out | std::ios_base::binary);
of << key;
of.close();
auto Key = Poco::SharedPtr<Poco::Crypto::ECKey>(
new Poco::Crypto::ECKey("", F.path(),""));
return true;
} catch (const Poco::Exception &E) {
}
return false;
}
bool VerifyRSAKey([[
maybe_unused]] const std::string &key) {
try {
Poco::TemporaryFile F;
std::ofstream of(F.path().c_str(), std::ios_base::trunc | std::ios_base::out | std::ios_base::binary);
of << key;
of.close();
auto Key = Poco::SharedPtr<Poco::Crypto::RSAKey>(
new Poco::Crypto::RSAKey("", F.path(),""));
return true;
} catch (const Poco::Exception &E) {
}
return false;
}
bool VerifyPrivateKey(const std::string &key) {
return VerifyECKey(key) || VerifyRSAKey(key);
}
bool ValidX509Certificate([[
maybe_unused]] const std::string &Cert) {
try {
Poco::TemporaryFile F;
std::ofstream of(F.path().c_str(), std::ios_base::trunc | std::ios_base::out | std::ios_base::binary);
of << Cert;
of.close();
auto Key = Poco::SharedPtr<Poco::Crypto::X509Certificate>(
new Poco::Crypto::X509Certificate(F.path()));
return true;
} catch (const Poco::Exception &E) {
}
return false;
}
bool ValidX509Certificate([[
maybe_unused]] const std::vector<std::string> &Certs) {
auto F = [](const std::string &C) -> bool { return ValidX509Certificate(C); };
return std::all_of(Certs.begin(),Certs.end(), F);
}
std::string generateStrongPassword(int minLength, int maxLength, int numDigits, int minLowercase, int minSpecial, int minUppercase) {
// Define character sets for each category
const std::string lowercaseChars = "abcdefghijklmnopqrstuvwxyz";
const std::string uppercaseChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const std::string digitChars = "0123456789";
const std::string specialChars = "!@#$%^&*()_+[]{}|;:,.<>?";
// Check if parameters are valid
if (minLength < 1 || minLength > maxLength || minLowercase + minUppercase + numDigits + minSpecial > maxLength) {
return "Invalid parameters";
}
// Initialize random seed
std::random_device rd;
std::mt19937 g(rd());
// Initialize the password string
std::string password;
// Generate the required number of each character type
for (int i = 0; i < minLowercase; ++i) {
password += lowercaseChars[g() % lowercaseChars.length()];
}
for (int i = 0; i < minUppercase; ++i) {
password += uppercaseChars[g() % uppercaseChars.length()];
}
for (int i = 0; i < numDigits; ++i) {
password += digitChars[g() % digitChars.length()];
}
for (int i = 0; i < minSpecial; ++i) {
password += specialChars[g() % specialChars.length()];
}
// Calculate how many more characters are needed
int remainingLength = maxLength - (int)password.length();
// Generate random characters to fill the remaining length
for (int i = 0; i < remainingLength; ++i) {
int category = g() % 4; // Randomly select a category
if (category == 0) {
password += lowercaseChars[g() % lowercaseChars.length()];
} else if (category == 1) {
password += uppercaseChars[g() % uppercaseChars.length()];
} else if (category == 2) {
password += digitChars[g() % digitChars.length()];
} else {
password += specialChars[g() % specialChars.length()];
}
}
// Shuffle the password to randomize the character order
std::shuffle(password.begin(), password.end(),g);
return password;
}
// Function to query NAPTR records for a domain and return them in a vector
std::vector<NAPTRRecord> getNAPTRRecords(const std::string& domain) {
std::vector<NAPTRRecord> naptrRecords;
unsigned char buf[4096];
ns_msg handle;
ns_initparse(buf, NS_PACKETSZ, &handle);
// Query NAPTR records for the given domain
int response = res_query(domain.c_str(), ns_c_in, ns_t_naptr, buf, sizeof(buf));
if (response < 0) {
return naptrRecords;
}
if(ns_initparse(buf, response, &handle) < 0) {
return naptrRecords;
}
// Iterate through the DNS response and extract NAPTR records
int count = ns_msg_count(handle, ns_s_an);
for (int i = 0; i < count; ++i) {
ns_rr rr;
if (ns_parserr(&handle, ns_s_an, i, &rr) == 0) {
char rdata[256];
ns_sprintrr(&handle, &rr, nullptr, nullptr, rdata, sizeof(rdata));
NAPTRRecord record;
std::istringstream os(rdata);
os >> record.name >> record.ttl >> record.rclass >> record.rtype >> record.order >> record.preference >> record.flags
>> record.service >> record.regexp >> record.replacement;
naptrRecords.push_back(record);
}
}
return naptrRecords;
}
std::vector<SrvRecord> getSRVRecords(const std::string& domain) {
std::vector<SrvRecord> srvRecords;
// Buffer to hold the DNS response
unsigned char buf[4096];
ns_msg handle;
ns_initparse(buf, NS_PACKETSZ, &handle);
// Query NAPTR records for the given domain
int response = res_query(domain.c_str(), ns_c_in, ns_t_srv, buf, sizeof(buf));
if (response < 0) {
std::cerr << "DNS query failed for " << domain << ": " << hstrerror(h_errno) << std::endl;
return srvRecords;
}
if(ns_initparse(buf, response, &handle) < 0) {
return srvRecords;
}
// Iterate through the DNS response and extract NAPTR records
int count = ns_msg_count(handle, ns_s_an);
for (int i = 0; i < count; ++i) {
ns_rr rr;
if (ns_parserr(&handle, ns_s_an, i, &rr) == 0) {
char rdata[256];
ns_sprintrr(&handle, &rr, nullptr, nullptr, rdata, sizeof(rdata));
SrvRecord record;
std::istringstream os(rdata);
os >> record.name >> record.ttl >> record.rclass >> record.rtype >> record.pref >> record.weight >>
record.port >> record.srvname ;
srvRecords.push_back(record);
}
}
return srvRecords;
}
} // namespace OpenWifi::Utils