static void DNS_init_unwind
(
DNS_CONTROL_STRUCT *control_ptr,
uint32_t sock
)
{ /* Body */
RTCS_setcfg(DNS, NULL);
if (sock)
shutdown(sock, 0);
if (control_ptr) {
if (control_ptr->CNAME_PARTID)
RTCS_part_destroy(control_ptr->CNAME_PARTID);
if (control_ptr->RR_LIST_PARTID)
RTCS_part_destroy(control_ptr->RR_LIST_PARTID);
if (control_ptr->NAME_RR_PARTID)
RTCS_part_destroy(control_ptr->NAME_RR_PARTID);
if (control_ptr->INT_QUERY_PARTID)
RTCS_part_destroy(control_ptr->INT_QUERY_PARTID);
if (control_ptr->ADDR_RR_PARTID)
RTCS_part_destroy(control_ptr->ADDR_RR_PARTID);
_mem_free(control_ptr);
}
return;
} /* Endbody */
static uint_32 NAT_init_internal2
(
NAT_PARM_PTR parm_ptr /* [IN] Initialization parameters */
)
{ /* Body */
NAT_CFG_STRUCT_PTR nat_cfg_ptr = RTCS_getcfg(NAT);
uint_32 error;
/*
** Make sure the netmask is valid. We use the fact that
** (x & x+1) == 0 <=> x = 2^n-1.
*/
if (~parm_ptr->IP_MASK & (~parm_ptr->IP_MASK + 1)) {
return RTCSERR_INVALID_PARAMETER;
} /* Endif */
/* Make sure other parameters have been supplied */
if (!parm_ptr->IP_PRV) {
return RTCSERR_INVALID_PARAMETER;
} /* Endif */
/*
** If the configuration structure has already been allocated,
** just add another private network and return
*/
if (nat_cfg_ptr) {
error = NAT_add_private_network(&nat_cfg_ptr->PRIVATE_NETWORKS, parm_ptr->IP_PRV, parm_ptr->IP_MASK);
if (error == RTCS_OK) {
nat_cfg_ptr->NAT_EXEC = NAT_apply;
}
return error;
} /* Endif */
// First time through the initialization,
// Allocate the NAT configuration structure
nat_cfg_ptr = _mem_alloc_system_zero(sizeof(NAT_CFG_STRUCT));
if (nat_cfg_ptr == NULL) {
return RTCSERR_OUT_OF_MEMORY;
} /* Endif */
/* Record the private network information */
error = NAT_add_private_network(&nat_cfg_ptr->PRIVATE_NETWORKS, parm_ptr->IP_PRV, parm_ptr->IP_MASK);
if (error == RTCS_OK) {
nat_cfg_ptr->NAT_EXEC = NAT_apply;
nat_cfg_ptr->INITIAL_PRV_NET = parm_ptr->IP_PRV;
nat_cfg_ptr->INITIAL_PRV_MASK = parm_ptr->IP_MASK;
nat_cfg_ptr->TCP_TOUT.PRIVATE = &nat_cfg_ptr->TCP_HEAD;
nat_cfg_ptr->UDP_TOUT.PRIVATE = &nat_cfg_ptr->UDP_HEAD;
nat_cfg_ptr->FIN_TOUT.PRIVATE = &nat_cfg_ptr->FIN_HEAD;
nat_cfg_ptr->ICMP_TOUT.PRIVATE = &nat_cfg_ptr->ICMP_HEAD;
/* Initialize radix trees */
IPRADIX_init(&nat_cfg_ptr->ROOT_IN);
IPRADIX_init(&nat_cfg_ptr->ROOT_OUT);
/* Initialize timeout functions */
nat_cfg_ptr->UDP_TOUT.EVENT = NAT_expire;
nat_cfg_ptr->TCP_TOUT.EVENT = NAT_expire;
nat_cfg_ptr->FIN_TOUT.EVENT = NAT_expire;
nat_cfg_ptr->ICMP_TOUT.EVENT = NAT_expire;
nat_cfg_ptr->TIMEOUT_TCP = NAT_DEFAULT_TIMEOUT_TCP;
nat_cfg_ptr->TIMEOUT_UDP = NAT_DEFAULT_TIMEOUT_UDP;
nat_cfg_ptr->TIMEOUT_FIN = NAT_DEFAULT_TIMEOUT_FIN;
nat_cfg_ptr->TIMEOUT_ICMP = NAT_DEFAULT_TIMEOUT_ICMP;
/* Initialize last used port numbers */
nat_cfg_ptr->TCP_PORT = NAT_DEFAULT_PORT_MIN;
nat_cfg_ptr->UDP_PORT = NAT_DEFAULT_PORT_MIN;
nat_cfg_ptr->ICMP_ID = NAT_DEFAULT_PORT_MIN;
nat_cfg_ptr->PORT_MAX = NAT_DEFAULT_PORT_MAX;
nat_cfg_ptr->PORT_MIN = NAT_DEFAULT_PORT_MIN;
/* Inititalize ALGs */
error = NAT_init_algs(nat_cfg_ptr);
}
/* Allocate partitions */
if (error == RTCS_OK) {
nat_cfg_ptr->SESSION_PART = RTCS_part_create(sizeof(NAT_SESSION_STRUCT),
NAT_SESSION_INITIAL_COUNT, NAT_SESSION_GROW_COUNT, NAT_SESSION_MAX,
NULL, NULL);
if (nat_cfg_ptr->SESSION_PART == NULL) {
error = RTCSERR_OUT_OF_MEMORY;
} /* Endif */
} /* Endif */
if (error == RTCS_OK) {
nat_cfg_ptr->RADIX_IN = RTCS_part_create(sizeof(IPRADIX_NODE),
NAT_SESSION_INITIAL_COUNT, NAT_SESSION_GROW_COUNT, NAT_SESSION_MAX,
NULL, NULL);
if (nat_cfg_ptr->RADIX_IN == NULL) {
error = RTCSERR_OUT_OF_MEMORY;
} /* Endif */
} /* Endif */
if (error == RTCS_OK) {
nat_cfg_ptr->RADIX_OUT = RTCS_part_create(sizeof(IPRADIX_NODE),
NAT_SESSION_INITIAL_COUNT, NAT_SESSION_GROW_COUNT, NAT_SESSION_MAX,
NULL, NULL);
if (nat_cfg_ptr->RADIX_OUT == NULL) {
error = RTCSERR_OUT_OF_MEMORY;
} /* Endif */
} /* Endif */
if (error == RTCS_OK) {
// Initialize queue of DNAT Rules
_queue_init( &nat_cfg_ptr->RULE_QUEUE, 0 );
RTCS_setcfg(NAT, nat_cfg_ptr);
} else {
if (nat_cfg_ptr != NULL) {
if (nat_cfg_ptr->RADIX_IN != NULL) RTCS_part_destroy(nat_cfg_ptr->RADIX_IN);
if (nat_cfg_ptr->RADIX_OUT != NULL) RTCS_part_destroy(nat_cfg_ptr->RADIX_OUT);
if (nat_cfg_ptr->SESSION_PART != NULL) RTCS_part_destroy(nat_cfg_ptr->SESSION_PART);
_mem_free(nat_cfg_ptr);
}
} /* Endif */
return error;
} /* Endbody */
uint_32 RTCS_create
(
void
)
{ /* Body */
RTCS_DATA_PTR RTCS_data_ptr;
SOCKET_CONFIG_STRUCT_PTR socket_cfg_ptr;
uint_32 error;
/*
** Check and see if this is the first time we have initialized,
*/
if (RTCS_get_data() != NULL) {
return RTCSERR_INITIALIZED;
}
//
RTCS_data_ptr = RTCS_mem_alloc_system_zero(sizeof(RTCS_DATA));
if (RTCS_data_ptr == NULL) {
error = RTCSERR_OUT_OF_MEMORY;
} else {
_mem_set_type(RTCS_data_ptr, MEM_TYPE_RTCS_DATA);
RTCS_set_data(RTCS_data_ptr);
/*
** Initialize socket state
*/
socket_cfg_ptr = RTCS_mem_alloc_system_zero(sizeof(SOCKET_CONFIG_STRUCT));
if (socket_cfg_ptr == NULL) {
error = RTCSERR_OUT_OF_MEMORY;
} else {
_mem_set_type(socket_cfg_ptr, MEM_TYPE_SOCKET_CONFIG_STRUCT);
socket_cfg_ptr->INITIALIZED = TRUE;
socket_cfg_ptr->SOCKET_HEAD = NULL;
socket_cfg_ptr->SOCKET_TAIL = NULL;
RTCS_mutex_init(&socket_cfg_ptr->SOCK_MUTEX);
RTCS_setcfg(SOCKET, socket_cfg_ptr);
/*
** Initialize global data
*/
_IP_forward = FALSE;
_TCP_bypass_rx = FALSE;
_TCP_bypass_tx = FALSE;
RTCS_data_ptr->VERSION = RTCS_VERSION;
#if RTCSCFG_LOG_SOCKET_API||RTCSCFG_LOG_PCB
RTCS_data_ptr->RTCS_LOG_PROTCOUNT = RTCSLOG_PROT_MAX;
RTCSLOG_disable(RTCS_LOGCTRL_ALL);
#endif
RTCS_data_ptr->TCPIP_qid = RTCS_msgq_get_id(0,TCPIP_QUEUE);
/*
** Create a pool of buffers for use in communicating to the TCP/IP task.
*/
RTCS_data_ptr->TCPIP_msg_pool = RTCS_msgpool_create(sizeof(TCPIP_MESSAGE),
_RTCS_msgpool_init, _RTCS_msgpool_grow, _RTCS_msgpool_max);
if (RTCS_data_ptr->TCPIP_msg_pool == MSGPOOL_NULL_POOL_ID) {
RTCS_log_error( ERROR_TCPIP, RTCSERR_CREATE_POOL_FAILED, 0, 0, 0);
error = RTCSERR_CREATE_POOL_FAILED;
} else {
/*
** Create the socket partition
*/
RTCS_data_ptr->RTCS_socket_partition = RTCS_part_create(sizeof(SOCKET_STRUCT),
_RTCS_socket_part_init, _RTCS_socket_part_grow, _RTCS_socket_part_max, NULL, NULL);
if (RTCS_data_ptr->RTCS_socket_partition == 0) {
RTCS_log_error(ERROR_RTCS, RTCSERR_CREATE_PARTITION_FAILED, 0, 0, 0);
error = RTCSERR_CREATE_PARTITION_FAILED;
} else {
/*
** Create TCPIP task
*/
error = RTCS_task_create("TCP/IP", _RTCSTASK_priority, _RTCSTASK_stacksize, TCPIP_task, NULL);
if (error) {
RTCS_part_destroy(RTCS_data_ptr->RTCS_socket_partition);
}
}
if (error) {
RTCS_msgpool_destroy( RTCS_data_ptr->TCPIP_msg_pool );
}
}
if (error) {
RTCS_setcfg(SOCKET, NULL);
_mem_free(socket_cfg_ptr);
}
}
if (error) {
RTCS_set_data(NULL);
_mem_free(RTCS_data_ptr);
}
}
return error;
} /* Endbody */