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#pragma once
#include <cstring>
#include <experimental/filesystem>
#include <sdbusplus/bus.hpp>
#include <sdbusplus/server/object.hpp>
#include <xyz/openbmc_project/User/Password/server.hpp>
namespace phosphor
{
namespace user
{
using CryptAlgo = std::string;
namespace fs = std::experimental::filesystem;
namespace Base = sdbusplus::xyz::openbmc_project::User::server;
using Interface = sdbusplus::server::object::object<Base::Password>;
/** @class User
* @brief Responsible for managing a specific user account.
* It is implementing just the Password interface
* for now.
*/
class User : public Interface
{
public:
User() = delete;
~User() = default;
User(const User&) = delete;
User& operator=(const User&) = delete;
User(User&&) = delete;
User& operator=(User&&) = delete;
/** @brief Constructs User object.
*
* @param[in] bus - sdbusplus handler
* @param[in] path - D-Bus path
*/
User(sdbusplus::bus::bus& bus, const char* path)
: Interface(bus, path),
bus(bus),
path(path),
user(fs::path(path).filename())
{
// Do nothing
}
/** @brief user password set method. If this is called for
* a user ID that already has the password, the password
* would be updated, else password would be created.
* Since this needs an already authenticated session,
* old password is not needed.
*
* @param[in] newPassword - New password
*/
void setPassword(std::string newPassword) override;
private:
/** @brief sdbusplus handler */
sdbusplus::bus::bus& bus;
/** @brief object path */
const std::string& path;
/** @brief User id extracted from object path */
const std::string user;
/** @brief Extracts crypto number from the shadow entry for user
*
* @param[in] spPwdp - sp_pwdp of struct spwd
*/
static CryptAlgo getCryptField(char* spPwdp);
/** @brief Generates one-way hash based on salt and password
*
* @param[in] password - clear text password
* @param[in] salt - Combination of crypto method and salt
* Eg: $1$HELLO$, where in 1 is crypto method
* and HELLO is salt
*/
static std::string generateHash(const std::string& password,
const std::string& salt);
/** @brief returns salt string with $ delimiter.
* Eg: If crypt is 1 and salt is HELLO, returns $1$HELLO$
*
* @param[in] crypt - Crypt number in string
* @param[in] salt - salt
*/
static std::string getSaltString(const std::string& crypt,
const std::string& salt);
};
} // namespace user
} // namespace phosphor
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