void clean_temp_files(void)
{
int rv;
rv = SYS_Unlink(PCSCLITE_CSOCK_NAME);
if (rv != 0)
Log2(PCSC_LOG_ERROR, "Cannot unlink " PCSCLITE_CSOCK_NAME ": %s",
strerror(errno));
#ifdef USE_RUN_PID
rv = SYS_Unlink(USE_RUN_PID);
if (rv != 0)
Log2(PCSC_LOG_ERROR, "Cannot unlink " USE_RUN_PID ": %s",
strerror(errno));
#endif
}
/**
* @brief Prepares the communication channel used by the server to talk to the
* clients.
*
* This is called by the server to create a socket for local IPC with the
* clients. The socket is associated to the file \c PCSCLITE_CSOCK_NAME.
* Each client will open a connection to this socket.
*
* @return Error code.
* @retval 0 Success
* @retval -1 Can not create the socket.
* @retval -1 Can not bind the socket to the file \c PCSCLITE_CSOCK_NAME.
* @retval -1 Can not put the socket in listen mode.
*/
INTERNAL int SHMInitializeCommonSegment(void)
{
static struct sockaddr_un serv_adr;
/*
* Create the common shared connection socket
*/
if ((commonSocket = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
{
Log2(PCSC_LOG_CRITICAL, "Unable to create common socket: %s",
strerror(errno));
return -1;
}
serv_adr.sun_family = AF_UNIX;
strncpy(serv_adr.sun_path, PCSCLITE_CSOCK_NAME,
sizeof(serv_adr.sun_path));
SYS_Unlink(PCSCLITE_CSOCK_NAME);
if (bind(commonSocket, (struct sockaddr *) &serv_adr,
sizeof(serv_adr.sun_family) + strlen(serv_adr.sun_path) + 1) < 0)
{
Log2(PCSC_LOG_CRITICAL, "Unable to bind common socket: %s",
strerror(errno));
SHMCleanupSharedSegment(commonSocket, PCSCLITE_CSOCK_NAME);
return -1;
}
if (listen(commonSocket, 1) < 0)
{
Log2(PCSC_LOG_CRITICAL, "Unable to listen common socket: %s",
strerror(errno));
SHMCleanupSharedSegment(commonSocket, PCSCLITE_CSOCK_NAME);
return -1;
}
/*
* Chmod the public entry channel
*/
SYS_Chmod(PCSCLITE_CSOCK_NAME, S_IRWXO | S_IRWXG | S_IRWXU);
return 0;
}
