#include "pamtest.h"

#include <QDebug>

#include <security/pam_appl.h>

PamTest::PamTest(QObject *parent)
    : QObject (parent)
{
}

PamTest::~PamTest()
{
}

void PamTest::startPam()
{
    pam_handle_t *pamHandle = nullptr;
    pam_conv conv = {PAMConversation, static_cast<void *>(this)};
    // pam_start第一個參數對應於/etc/pam.d下面的指定的PAM文件，第二個參數對應於登錄的賬戶名
    int ret = pam_start("test_pam", "uos", &conv, &pamHandle);
    if (ret != PAM_SUCCESS) {
        //qCritical() << "ERROR: PAM start failed, error: " << pam_strerror(pamHandle, ret) << ", start infomation: " << ret;
    } else {
        qDebug() << "PAM start...";
    }

    // 可以在此處設置密碼
    //const char *password = "testpassword";
    //pam_set_item(pamHandle, PAM_AUTHTOK, password);

    int rc = pam_authenticate(pamHandle, 0);
    if (rc != PAM_SUCCESS) {
        //qWarning() << "PAM authenticate failed, error: " << pam_strerror(pamHandle, rc) << ", PAM authenticate: " << rc;
    } else {
        qDebug() << "PAM authenticate finished.";
    }

    int tmpRt = pam_acct_mgmt(pamHandle, 1);
    if (tmpRt != PAM_SUCCESS) {
        //qCritical() << "PAM acct failed:" << pam_strerror(pamHandle, tmpRt) << "PAM end infomation: " << tmpRt;
    } else {
        qDebug() << "PAM acct finished.";
    }

    int re = pam_end(pamHandle, rc);
    if (re != PAM_SUCCESS) {
        //qCritical() << "PAM end failed:" << pam_strerror(pamHandle, re) << "PAM end infomation: " << re;
    } else {
        qDebug() << "PAM end...";
    }
}

int PamTest::PAMConversation(int num_msg, const pam_message **msg, pam_response **resp, void *app_data)
{
    return PAM_SUCCESS;
}