psk.cpp - mozsearch

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/*

* (C) 2017 Jack Lloyd

* Botan is released under the Simplified BSD License (see license.txt)

*/

#include "cli.h"

#if defined(BOTAN_HAS_PSK_DB) && defined(BOTAN_HAS_SQLITE3)

#include <botan/psk_db.h>

#include <botan/sqlite3.h>

#include <botan/hex.h>

namespace Botan_CLI {

class PSK_Tool_Base : public Command

   public:

      PSK_Tool_Base(const std::string& spec) : Command(spec) {}

      std::string group() const override

         return "psk";

      void go() override

         const std::string db_filename = get_arg("db");

         const Botan::secure_vector<uint8_t> db_key = Botan::hex_decode_locked(get_passphrase_arg("Database key", "db_key"));

         std::shared_ptr<Botan::SQL_Database> db = std::make_shared<Botan::Sqlite3_Database>(db_filename);

         Botan::Encrypted_PSK_Database_SQL psk(db_key, db, "psk");

         psk_operation(psk);

   private:

      virtual void psk_operation(Botan::PSK_Database& db) = 0;

};

class PSK_Tool_Set final : public PSK_Tool_Base

   public:

      PSK_Tool_Set() : PSK_Tool_Base("psk_set db db_key name psk") {}

      std::string description() const override

         return "Save a PSK encrypted in the database";

   private:

      void psk_operation(Botan::PSK_Database& db) override

         const std::string name = get_arg("name");

         const Botan::secure_vector<uint8_t> psk = Botan::hex_decode_locked(get_passphrase_arg("PSK", "psk"));

         db.set_vec(name, psk);

};

class PSK_Tool_Get final : public PSK_Tool_Base

   public:

      PSK_Tool_Get() : PSK_Tool_Base("psk_get db db_key name") {}

      std::string description() const override

         return "Read a value saved with psk_set";

   private:

      void psk_operation(Botan::PSK_Database& db) override

         const std::string name = get_arg("name");

         const Botan::secure_vector<uint8_t> val = db.get(name);

         output() << Botan::hex_encode(val) << "\n";

};

class PSK_Tool_List final : public PSK_Tool_Base

   public:

      PSK_Tool_List() : PSK_Tool_Base("psk_list db db_key") {}

      std::string description() const override

         return "List all values saved to the database";

   private:

      void psk_operation(Botan::PSK_Database& db) override

         const std::set<std::string> names = db.list_names();

         for(std::string name : names)

            output() << name << "\n";

};

BOTAN_REGISTER_COMMAND("psk_set", PSK_Tool_Set);

BOTAN_REGISTER_COMMAND("psk_get", PSK_Tool_Get);

BOTAN_REGISTER_COMMAND("psk_list", PSK_Tool_List);

#endif