void KWalletExecuter::execute()
{
//Preparing sockets, we will share them with kwalletd
int toWalletPipe[2] = { -1, -1};
if (pipe(toWalletPipe) < 0) {
qFatal("Couldn't craete pipes");
}
int envSocket;
if ((envSocket = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
qFatal("Couldn't create socket");
}
QByteArray sock = KStandardDirs::locateLocal("socket", QLatin1String("test.socket")).toLocal8Bit();
struct sockaddr_un local;
local.sun_family = AF_UNIX;
strcpy(local.sun_path, sock.constData());
unlink(local.sun_path);//Just in case it exists from a previous login
int len;
len = strlen(local.sun_path) + sizeof(local.sun_family);
if (bind(envSocket, (struct sockaddr *)&local, len) == -1) {
qFatal("Couldn't bind the socket");
}
if (listen(envSocket, 5) == -1) {
qFatal("Couldn't listen into the socket");
}
qputenv("PAM_KWALLET_LOGIN", "1");
pid_t pid;
switch (pid = fork ()) {
case -1:
qFatal("Couldn't fork to execv kwalletd");
//Child fork, will contain kwalletd
case 0:
execute_kwallet(toWalletPipe, envSocket);
/* Should never be reached */
break;
//Parent
default:
break;
};
close(toWalletPipe[0]);//Read end of the pipe, we will only use the write
QByteArray hash =
QByteArray::fromHex("1f1e7736894243657ef4a5274211b9a62703494c286e1699418a36e7ecf31d37319644db63d9fb26eb57cd9b7fea3e88bc18312480ba54f4");
write(toWalletPipe[1], hash.constData(), 56);
QLocalSocket *socket = new QLocalSocket(this);
socket->connectToServer(sock);
//No need to send any environment vars, the env is already ok
socket->close();
if (!QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.kwalletd")) {
qDebug() << "AAAAAAAA";
QEventLoop loop;
QDBusServiceWatcher *watcher = new QDBusServiceWatcher("org.kde.kwalletd",
QDBusConnection::sessionBus(),
QDBusServiceWatcher::WatchForRegistration);
connect(watcher, SIGNAL(serviceRegistered(QString)), &loop, SLOT(quit()));
loop.exec();
}
}
static void start_kwallet(pam_handle_t *pamh, struct passwd *userInfo, const char *kwalletKey)
{
//Just in case we get broken pipe, do not break the pam process..
struct sigaction sigPipe, oldSigPipe;
memset (&sigPipe, 0, sizeof (sigPipe));
memset (&oldSigPipe, 0, sizeof (oldSigPipe));
sigPipe.sa_handler = SIG_IGN;
sigaction (SIGPIPE, &sigPipe, &oldSigPipe);
int toWalletPipe[2] = { -1, -1};
if (pipe(toWalletPipe) < 0) {
pam_syslog(pamh, LOG_ERR, "pam_kwallet: Couldn't create pipes");
}
int envSocket;
if ((envSocket = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
pam_syslog(pamh, LOG_ERR, "pam_kwallet: couldn't create socket");
return;
}
int len = strlen(socketPath) + strlen(userInfo->pw_name) + 9;// 9 = slash+.socket+null
char *fullSocket = (char*) malloc(len);
sprintf(fullSocket, "%s/%s%s", socketPath, userInfo->pw_name, ".socket");
int result = set_env(pamh, "PAM_KWALLET_LOGIN", fullSocket);
if (result != PAM_SUCCESS) {
pam_syslog(pamh, LOG_ERR, "pam_kwallet: Impossible to set PAM_KWALLET_LOGIN env, %s", pam_strerror(pamh, result));
return;
}
struct sockaddr_un local;
local.sun_family = AF_UNIX;
strcpy(local.sun_path, fullSocket);
unlink(local.sun_path);//Just in case it exists from a previous login
pam_syslog(pamh, LOG_INFO, "pam-kwallet: final socket path: %s", fullSocket);
len = strlen(local.sun_path) + sizeof(local.sun_family);
if (bind(envSocket, (struct sockaddr *)&local, len) == -1) {
pam_syslog(pamh, LOG_INFO, "kwalletd: Couldn't bind to local file\n");
return;
}
if (listen(envSocket, 5) == -1) {
pam_syslog(pamh, LOG_INFO, "kwalletd: Couldn't listen in socket\n");
return;
}
if (chown(fullSocket, userInfo->pw_uid, userInfo->pw_gid) == -1) {
pam_syslog(pamh, LOG_INFO, "Couldn't change ownership of the socket");
return;
}
pid_t pid;
switch (pid = fork ()) {
case -1:
pam_syslog(pamh, LOG_ERR, "pam_kwallet: Couldn't fork to execv kwalletd");
return;
//Child fork, will contain kwalletd
case 0:
execute_kwallet(pamh, userInfo, toWalletPipe, envSocket);
/* Should never be reached */
break;
//Parent
default:
break;
};
close(toWalletPipe[0]);//Read end of the pipe, we will only use the write
if (better_write(toWalletPipe[1], kwalletKey, KWALLET_PAM_KEYSIZE) < 0) {
pam_syslog(pamh, LOG_ERR, "pam_kwallet: Impossible to write walletKey to walletPipe");
return;
}
close(toWalletPipe[1]);
}
