more

contrib/backends/nntpchan-daemon/tools/authtool.cpp

@@ -0,0 +1,92 @@
+#include "base64.hpp"
+#include "crypto.hpp"
+
+#include <cassert>
+#include <cstring>
+#include <string>
+#include <iostream>
+#include <sodium.h>
+
+static void print_help(const std::string & exename)
+{
+  std::cout << "usage: " << exename << " [help|gen|check]" << std::endl;
+}
+
+static void print_long_help()
+{
+
+}
+
+static void gen_passwd(const std::string & username, const std::string & passwd)
+{
+  std::array<uint8_t, 8> random;
+  randombytes_buf(random.data(), random.size());
+  std::string salt = nntpchan::B64Encode(random.data(), random.size());
+  std::string cred = passwd + salt;
+  nntpchan::SHA512Digest d;
+  nntpchan::SHA512((const uint8_t *)cred.c_str(), cred.size(), d);
+  std::string hash = nntpchan::B64Encode(d.data(), d.size());
+  std::cout << username << ":" << hash << ":" << salt << std::endl;
+}
+
+
+static bool check_cred(const std::string & cred, const std::string & passwd)
+{
+  auto idx = cred.find(":");
+  if(idx == std::string::npos || idx == 0) return false;
+  std::string part = cred.substr(idx+1);
+  idx = part.find(":");
+  if(idx == std::string::npos || idx == 0) return false;
+  std::string salt = part.substr(idx+1);
+  std::string hash = part.substr(0, idx);
+  std::vector<uint8_t> h;
+  if(!nntpchan::B64Decode(hash, h)) return false;
+  nntpchan::SHA512Digest d;
+  std::string l = passwd + salt;
+  nntpchan::SHA512((const uint8_t*)l.data(), l.size(), d);
+  return std::memcmp(h.data(), d.data(), d.size()) == 0;
+}
+
+int main(int argc, char * argv[])
+{
+  assert(sodium_init() == 0);
+  if(argc == 1) {
+    print_help(argv[0]);
+    return 1;
+  }
+  std::string cmd(argv[1]);
+  if (cmd == "help") {
+    print_long_help();
+    return 0;
+  }
+  if (cmd == "gen") {
+    if(argc == 4) {
+      gen_passwd(argv[2], argv[3]);
+      return 0;
+    } else {
+      std::cout << "usage: " << argv[0] << " gen username password" << std::endl;
+      return 1;
+    }
+  }
+  if(cmd == "check" ) {
+    std::string cred;
+    std::cout << "credential: " ;
+    if(!std::getline(std::cin, cred)) {
+      return 1;
+    }
+    std::string passwd;
+    std::cout << "password: ";
+    if(!std::getline(std::cin, passwd)) {
+      return 1;
+    }
+    if(check_cred(cred, passwd)) {
+      std::cout << "okay" << std::endl;
+      return 0;
+    }
+    std::cout << "bad login" << std::endl;
+    return 1;
+  }
+
+  print_help(argv[0]);
+  return 1;
+}

contrib/backends/nntpchan-daemon/tools/testtool.cpp

@@ -0,0 +1,13 @@
+#include "exec_frontend.hpp"
+#include <cassert>
+#include <iostream>
+
+
+
+int main(int , char * [])
+{
+  nntpchan::Frontend * f = new nntpchan::ExecFrontend("./contrib/nntpchan.sh");
+  assert(f->AcceptsMessage("<test@server>"));
+  assert(f->AcceptsNewsgroup("overchan.test"));
+  std::cout << "all good" << std::endl;
+}