int
sip_platform_udp_channel_sendto (cpr_socket_t s, char *buf, uint32_t len,
cpr_ip_addr_t *dst_ipaddr, uint16_t dst_port)
{
static const char *fname = "sip_platform_udp_channel_sendto";
ssize_t bytesSent;
cpr_sockaddr_storage sock_addr;
uint16_t addr_len;
cpr_ip_addr_t dest_ip_addr;
/*
* Connect to remote address
*/
dest_ip_addr = *dst_ipaddr;
(void) sip_set_sockaddr(&sock_addr, af_family_connect, dest_ip_addr,
dst_port, &addr_len);
/*
* Check not exceeding max allowed payload size
*/
if (len >= PKTBUF_SIZ) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_UDP_PAYLOAD_TOO_LARGE),
fname, len, PKTBUF_SIZ);
return SIP_ERROR;
}
while (len > 0) {
bytesSent = cprSendTo(s, (void *)buf, (size_t)len, 0,
(cpr_sockaddr_t *)&sock_addr, addr_len);
if ((bytesSent == SOCKET_ERROR) && (cpr_errno == CPR_ECONNREFUSED)) {
/*
* Will get socket error ECONNREFUSED after an ICMP message
* resend the message
*/
CCSIP_DEBUG_TASK(DEB_F_PREFIX"UDP send to error %d\n", DEB_F_PREFIX_ARGS(SIP_SOCK, fname), cpr_errno);
bytesSent = cprSendTo(s, (void *)buf, (size_t)len, 0,
(cpr_sockaddr_t *)&sock_addr, addr_len);
}
if (bytesSent == SOCKET_ERROR) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSendTo", cpr_errno);
return SIP_ERROR;
}
len -= bytesSent;
buf += bytesSent;
}
return SIP_OK;
}
int
sip_platform_udp_channel_listen (cpr_ip_mode_e ip_mode, cpr_socket_t *s,
cpr_ip_addr_t *local_ipaddr,
uint16_t local_port)
{
static const char fname[] = "sip_platform_udp_channel_listen";
cpr_sockaddr_storage sock_addr;
uint16_t addr_len;
/*
* If socket passed is is not INVALID_SOCKET close it first
*/
if (*s != INVALID_SOCKET) {
if (sipSocketClose(*s, FALSE) != CPR_SUCCESS) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "sipSocketClose", cpr_errno);
}
sip_platform_task_reset_listen_socket(*s);
}
/*
* Create a socket
*/
if (ip_mode == CPR_IP_MODE_IPV6 ||
ip_mode == CPR_IP_MODE_DUAL) {
af_family_listen = AF_INET6;
} else {
af_family_listen = AF_INET;
}
*s = cprSocket(af_family_listen, SOCK_DGRAM, 0);
if (*s == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSocket unable to open socket", cpr_errno);
if (ip_mode == CPR_IP_MODE_DUAL) {
af_family_listen = AF_INET;
CCSIP_DEBUG_TASK(DEB_F_PREFIX"Socket open failed for IPv6 using IPv4 address.",
DEB_F_PREFIX_ARGS(SIP_SDP, fname));
*s = cprSocket(af_family_listen, SOCK_DGRAM, 0);
if (*s == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSocket unable to open socket for IPv4",
cpr_errno);
return SIP_ERROR;
}
}
}
(void) sip_set_sockaddr(&sock_addr, af_family_listen, *local_ipaddr,
local_port, &addr_len);
if (cprBind(*s, (cpr_sockaddr_t *)&sock_addr, addr_len) == CPR_FAILURE) {
(void) sipSocketClose(*s, FALSE);
*s = INVALID_SOCKET;
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprBind", cpr_errno);
return SIP_ERROR;
}
sip_platform_task_set_listen_socket(*s);
return SIP_OK;
}
int
sip_platform_udp_channel_create (cpr_ip_mode_e ip_mode, cpr_socket_t *s,
cpr_ip_addr_t *remote_ipaddr,
uint16_t remote_port,
uint32_t local_udp_port)
{
static const char *fname = "sip_platform_udp_channel_create";
cpr_sockaddr_storage sock_addr;
uint16_t addr_len;
cpr_sockaddr_storage local_sock_addr;
cpr_ip_addr_t local_signaladdr;
int tos_dscp_val = 0; // set to default if there is no config. for dscp
CPR_IP_ADDR_INIT(local_signaladdr);
if (*s != INVALID_SOCKET) {
(void) sipSocketClose(*s, FALSE);
}
if (ip_mode == CPR_IP_MODE_IPV6 ||
ip_mode == CPR_IP_MODE_DUAL) {
af_family_connect = AF_INET6;
} else {
af_family_connect = AF_INET;
}
/*
* Create socket
*/
*s = cprSocket(af_family_connect, SOCK_DGRAM, 0);
if (*s == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSocket unable to open socket",
cpr_errno);
/* Try opening ipv4 socket */
if (ip_mode == CPR_IP_MODE_DUAL) {
CCSIP_DEBUG_TASK("%s: cprSocket Open failed for IPv6 trying IPv4",
fname);
af_family_connect = AF_INET;
*s = cprSocket(af_family_connect, SOCK_DGRAM, 0);
if (*s == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSocket unable to open AF_INET socket",
cpr_errno);
return SIP_ERROR;
}
}
}
sip_config_get_net_device_ipaddr(&local_signaladdr);
memset(&local_sock_addr, 0, sizeof(local_sock_addr));
(void) sip_set_sockaddr(&local_sock_addr, af_family_connect, local_signaladdr, 0, &addr_len);
CCSIP_DEBUG_REG_STATE(DEB_F_PREFIX"local_signaladdr.u.ip4=%x\n",
DEB_F_PREFIX_ARGS(SIP_SDP, fname), local_signaladdr.u.ip4);
if(cprBind(*s, (cpr_sockaddr_t *)&local_sock_addr, addr_len)){
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"UDP bind failed with errno %d\n", fname, cpr_errno);
(void) sipSocketClose(*s, FALSE);
*s = INVALID_SOCKET;
return SIP_ERROR;
}
/*
* Connect to remote address
*/
(void) sip_set_sockaddr(&sock_addr, af_family_connect, *remote_ipaddr,
remote_port, &addr_len);
/* if (cprConnect(*s, (cpr_sockaddr_t *)&sock_addr, addr_len) == CPR_FAILURE) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprConnect", cpr_errno);
(void) sipSocketClose(*s, FALSE);
*s = INVALID_SOCKET;
return SIP_ERROR;
}
*/
// set IP tos/dscp value for SIP messaging
config_get_value(CFGID_DSCP_FOR_CALL_CONTROL, (int *)&tos_dscp_val,
sizeof(tos_dscp_val));
if (cprSetSockOpt(*s, SOL_IP, IP_TOS, (void *)&tos_dscp_val,
sizeof(tos_dscp_val)) == CPR_FAILURE) {
// do NOT take hard action; just log the error and move on
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"Unable to set IP TOS %d on UDP socket. "
"cpr_errno = %d\n", fname, tos_dscp_val, cpr_errno);
}
return SIP_OK;
}
/*
* sip_tls_create_connection()
* Description : This routine is called is response to a create connection
* request from SIP_SPI to SIP_TLS.
*
* Input : spi_msg - Pointer to sipSPIMessage_t containing the create conn
* parameters.
* blocking - connection mode; FALSE - nonblock; TRUE - block
*
* Output : Nothing
*/
cpr_socket_t
sip_tls_create_connection (sipSPIMessage_t *spi_msg, boolean blocking,
sec_level_t sec)
{
const char fname[] = "sip_tls_create_connection";
int idx;
sipSPICreateConnection_t *create_msg;
char ipaddr_str[MAX_IPADDR_STR_LEN];
plat_soc_status_e ret;
cpr_socket_t sock = INVALID_SOCKET;
uint16_t sec_port = 0;
plat_soc_connect_status_e conn_status;
int tos_dscp_val = 0; // set to default if there is no config. for dscp
#ifdef IPV6_STACK_ENABLED
int ip_mode = CPR_IP_MODE_IPV4;
#endif
uint16_t af_listen = AF_INET6;
cpr_sockaddr_storage sock_addr;
uint16_t addr_len;
int ip_mode = 0; // currently hardcoded to ipv4
plat_soc_connect_mode_e conn_mode;
#ifdef IPV6_STACK_ENABLED
config_get_value(CFGID_IP_ADDR_MODE, &ip_mode, sizeof(ip_mode));
/*
* Create a socket
*/
if (ip_mode == CPR_IP_MODE_IPV6 ||
ip_mode == CPR_IP_MODE_DUAL) {
af_listen = AF_INET6;
} else {
#endif
af_listen = AF_INET;
#ifdef IPV6_STACK_ENABLED
}
#endif
sip_tcp_init_conn_table();
create_msg = &(spi_msg->createConnMsg);
ipaddr2dotted(ipaddr_str, &create_msg->addr);
ret = platSecIsServerSecure();
if (ret != PLAT_SOCK_SECURE) {
CCSIP_DEBUG_ERROR(SIP_F_PREFIX
"Secure connection is not created because"
" there is no secure servers\n", fname);
return INVALID_SOCKET;
}
CCSIP_DEBUG_MESSAGE(DEB_F_PREFIX
"Creating secure connection\n", DEB_F_PREFIX_ARGS(SIP_TLS, fname));
/* connect securely via TLS */
config_get_value(CFGID_DSCP_FOR_CALL_CONTROL, (int *)&tos_dscp_val,
sizeof(tos_dscp_val));
if (sec == AUTHENTICATED) {
conn_mode = PLAT_SOCK_AUTHENTICATED;
} else if (sec == ENCRYPTED) {
conn_mode = PLAT_SOCK_ENCRYPTED;
} else {
CCSIP_DEBUG_ERROR(SIP_F_PREFIX
"Secure connection is not created. Security mode was"
" not encrypyted or authenticated.\n", fname);
conn_mode = PLAT_SOCK_NON_SECURE;
}
sock = platSecSocConnect(ipaddr_str, /* host */
create_msg->port, /* port */
ip_mode, /* ip mode, ipv4 = 0, ipv6 = 1, dual = 2 */
blocking, /* 1 - block */
tos_dscp_val, /* TOS value */
conn_mode, /* The mode (Auth/Encry/None) */
&sec_port); /* local port */
if (sock < 0) {
CCSIP_DEBUG_ERROR(SIP_F_PREFIX
"Secure connect failed!!\n",fname);
return INVALID_SOCKET;
}
CCSIP_DEBUG_MESSAGE(DEB_F_PREFIX "Secure connect ok", DEB_F_PREFIX_ARGS(SIP_TLS, fname));
if (!blocking) {
/* should not call this api in blocking mode */
conn_status = platSecSockIsConnected(sock);
if (conn_status == PLAT_SOCK_CONN_FAILED) {
(void)sipSocketClose(sock, TRUE);
CCSIP_DEBUG_ERROR(SIP_F_PREFIX
"Establish non-blocking mode secure"
" connection failed!!\n", fname);
return INVALID_SOCKET;
}
} else {
conn_status = PLAT_SOCK_CONN_OK;
}
if (sip_tcp_set_sock_options(sock) != TRUE) {
CCSIP_DEBUG_ERROR(SIP_F_PREFIX "Socket set option failure",
fname);
}
idx = sip_tcp_get_free_conn_entry();
if (idx == -1) {
/* Send create connection failed message to SIP_SPI */
(void)sipSocketClose(sock, TRUE);
CCSIP_DEBUG_ERROR(SIP_F_PREFIX
"Get free TCP connection entry failed\n",
fname);
return INVALID_SOCKET;
}
memset(&sock_addr, 0, sizeof(sock_addr));
(void) sip_set_sockaddr(&sock_addr, af_listen, create_msg->addr,
(uint16_t)(create_msg->port), &addr_len);
sip_tcp_conn_tab[idx].fd = sock;
sip_tcp_conn_tab[idx].ipaddr = create_msg->addr;
sip_tcp_conn_tab[idx].port = create_msg->port;
sip_tcp_conn_tab[idx].context = spi_msg->context;
sip_tcp_conn_tab[idx].dirtyFlag = FALSE;
sip_tcp_conn_tab[idx].addr = sock_addr;
sip_tcp_conn_tab[idx].soc_type = SIP_SOC_TLS;
if (conn_status == PLAT_SOCK_CONN_OK) {
sip_tcp_conn_tab[idx].state = SOCK_CONNECTED;
} else {
sip_tcp_conn_tab[idx].state = SOCK_CONNECT_PENDING;
}
create_msg->local_listener_port = (uint16) sec_port;
CCSIP_DEBUG_MESSAGE(DEB_F_PREFIX
"Local listening port=%d\n", DEB_F_PREFIX_ARGS(SIP_TLS, fname),
create_msg->local_listener_port);
(void)sip_tcp_attach_socket(sock);
return (sock);
}
