From 0134d0fef7efd8011b796c20bdf85b8607fd6d82 Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Fri, 14 Jul 2017 10:54:54 -0600 Subject: [PATCH] Socket interfaces: Forgot add filess related to getsockname() in last commit. --- net/socket/inet_getsockname.c | 442 ++++++++++++++++++++++++++++++++++ net/socket/ipv4_getsockname.c | 197 +++++++++++++++ net/socket/ipv6_getsockname.c | 197 +++++++++++++++ 3 files changed, 836 insertions(+) create mode 100644 net/socket/inet_getsockname.c create mode 100644 net/socket/ipv4_getsockname.c create mode 100644 net/socket/ipv6_getsockname.c diff --git a/net/socket/inet_getsockname.c b/net/socket/inet_getsockname.c new file mode 100644 index 00000000000..fafde3875a4 --- /dev/null +++ b/net/socket/inet_getsockname.c @@ -0,0 +1,442 @@ +/**************************************************************************** + * net/socket/getsockname.c + * + * Copyright (C) 2011-2012, 2017 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include "utils/utils.h" +#include "netdev/netdev.h" +#include "tcp/tcp.h" +#include "udp/udp.h" +#include "socket/socket.h" +#include "usrsock/usrsock.h" + +#ifdef CONFIG_NET + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: get_ipv4_sockname + * + * Description: + * The getsockname() function retrieves the locally-bound name of the + * specified PF_NET socket. + * + * Parameters: + * psock Point to the socket structure instance [in] + * addr sockaddr structure to receive data [out] + * addrlen Length of sockaddr structure [in/out] + * + * Returned Value: + * On success, 0 is returned, the 'addr' argument points to the address + * of the socket, and the 'addrlen' argument points to the length of the + * address. Otherwise, -1 is returned and errno is set to indicate the error. + * Possible errno values that may be returned include: + * + * EBADF - The socket argument is not a valid file descriptor. + * EOPNOTSUPP - The operation is not supported for this socket's protocol. + * EINVAL - The socket has been shut down. + * + * Assumptions: + * + ****************************************************************************/ + +#ifdef CONFIG_NET_IPv4 +int ipv4_getsockname(FAR struct socket *psock, FAR struct sockaddr *addr, + FAR socklen_t *addrlen) +{ + FAR struct net_driver_s *dev; +#if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + FAR struct sockaddr_in *outaddr = (FAR struct sockaddr_in *)addr; +#endif +#ifdef CONFIG_NETDEV_MULTINIC + in_addr_t lipaddr; + in_addr_t ripaddr; +#endif + + /* Check if enough space has been provided for the full address */ + + if (*addrlen < sizeof(struct sockaddr_in)) + { + /* This function is supposed to return the partial address if + * a smaller buffer has been provided. This support has not + * been implemented. + */ + + return -ENOSYS; + } + + /* Set the port number */ + + switch (psock->s_type) + { +#ifdef NET_TCP_HAVE_STACK + case SOCK_STREAM: + { + FAR struct tcp_conn_s *tcp_conn = (FAR struct tcp_conn_s *)psock->s_conn; + outaddr->sin_port = tcp_conn->lport; /* Already in network byte order */ +#ifdef CONFIG_NETDEV_MULTINIC + lipaddr = tcp_conn->u.ipv4.laddr; + ripaddr = tcp_conn->u.ipv4.raddr; +#endif + } + break; +#endif + +#ifdef NET_UDP_HAVE_STACK + case SOCK_DGRAM: + { + FAR struct udp_conn_s *udp_conn = (FAR struct udp_conn_s *)psock->s_conn; + outaddr->sin_port = udp_conn->lport; /* Already in network byte order */ +#ifdef CONFIG_NETDEV_MULTINIC + lipaddr = udp_conn->u.ipv4.laddr; + ripaddr = udp_conn->u.ipv4.raddr; +#endif + } + break; +#endif + + default: + return -EOPNOTSUPP; + } + +#ifdef CONFIG_NETDEV_MULTINIC + /* The socket/connection does not know its IP address unless + * CONFIG_NETDEV_MULTINIC is selected. Otherwise the design supports only + * a single network device and only the network device knows the IP address. + */ + + if (lipaddr == 0) + { +#if defined(CONFIG_NET_TCP) || defined(CONFIG_NET_UDP) + outaddr->sin_family = AF_INET; + outaddr->sin_addr.s_addr = 0; + *addrlen = sizeof(struct sockaddr_in); +#endif + return OK; + } +#endif + + net_lock(); + +#ifdef CONFIG_NETDEV_MULTINIC + /* Find the device matching the IPv4 address in the connection structure. + * NOTE: listening sockets have no ripaddr. Work around is to use the + * lipaddr when ripaddr is not available. + */ + + if (ripaddr == 0) + { + ripaddr = lipaddr; + } + + dev = netdev_findby_ipv4addr(lipaddr, ripaddr); +#else + /* There is only one, the first network device in the list. */ + + dev = g_netdevices; +#endif + + if (!dev) + { + net_unlock(); + return -EINVAL; + } + + /* Set the address family and the IP address */ + +#if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + outaddr->sin_family = AF_INET; + outaddr->sin_addr.s_addr = dev->d_ipaddr; + *addrlen = sizeof(struct sockaddr_in); +#endif + net_unlock(); + + /* Return success */ + + return OK; +} +#endif + +/**************************************************************************** + * Name: ipv6_getsockname + * + * Description: + * The getsockname() function retrieves the locally-bound name of the + * specified PF_NET6 socket. + * + * Parameters: + * psock Point to the socket structure instance [in] + * addr sockaddr structure to receive data [out] + * addrlen Length of sockaddr structure [in/out] + * + * Returned Value: + * On success, 0 is returned, the 'addr' argument points to the address + * of the socket, and the 'addrlen' argument points to the length of the + * address. Otherwise, -1 is returned and errno is set to indicate the error. + * Possible errno values that may be returned include: + * + * EBADF - The socket argument is not a valid file descriptor. + * EOPNOTSUPP - The operation is not supported for this socket's protocol. + * EINVAL - The socket has been shut down. + * + * Assumptions: + * + ****************************************************************************/ + +#ifdef CONFIG_NET_IPv6 +int ipv6_getsockname(FAR struct socket *psock, FAR struct sockaddr *addr, + FAR socklen_t *addrlen) +{ + FAR struct net_driver_s *dev; +#if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + FAR struct sockaddr_in6 *outaddr = (FAR struct sockaddr_in6 *)addr; +#endif +#ifdef CONFIG_NETDEV_MULTINIC + net_ipv6addr_t *lipaddr; + net_ipv6addr_t *ripaddr; +#endif + + /* Check if enough space has been provided for the full address */ + + if (*addrlen < sizeof(struct sockaddr_in6)) + { + /* This function is supposed to return the partial address if + * a smaller buffer has been provided. This support has not + * been implemented. + */ + + return -ENOSYS; + } + + /* Set the port number */ + + switch (psock->s_type) + { +#ifdef NET_TCP_HAVE_STACK + case SOCK_STREAM: + { + FAR struct tcp_conn_s *tcp_conn = (FAR struct tcp_conn_s *)psock->s_conn; + outaddr->sin6_port = tcp_conn->lport; /* Already in network byte order */ +#ifdef CONFIG_NETDEV_MULTINIC + lipaddr = &tcp_conn->u.ipv6.laddr; + ripaddr = &tcp_conn->u.ipv6.raddr; +#endif + } + break; +#endif + +#ifdef NET_UDP_HAVE_STACK + case SOCK_DGRAM: + { + FAR struct udp_conn_s *udp_conn = (FAR struct udp_conn_s *)psock->s_conn; + outaddr->sin6_port = udp_conn->lport; /* Already in network byte order */ +#ifdef CONFIG_NETDEV_MULTINIC + lipaddr = &udp_conn->u.ipv6.laddr; + ripaddr = &udp_conn->u.ipv6.raddr; +#endif + } + break; +#endif + + default: + return -EOPNOTSUPP; + } + +#ifdef CONFIG_NETDEV_MULTINIC + /* The socket/connection does not know its IP address unless + * CONFIG_NETDEV_MULTINIC is selected. Otherwise the design supports only + * a single network device and only the network device knows the IP address. + */ + + if (net_ipv6addr_cmp(lipaddr, g_ipv6_allzeroaddr)) + { +#if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + outaddr->sin6_family = AF_INET6; + memcpy(outaddr->sin6_addr.in6_u.u6_addr8, g_ipv6_allzeroaddr, 16); + *addrlen = sizeof(struct sockaddr_in6); +#endif + return OK; + } +#endif + + net_lock(); + +#ifdef CONFIG_NETDEV_MULTINIC + /* Find the device matching the IPv6 address in the connection structure. + * NOTE: listening sockets have no ripaddr. Work around is to use the + * lipaddr when ripaddr is not available. + */ + + if (net_ipv6addr_cmp(ripaddr, g_ipv6_allzeroaddr)) + { + ripaddr = lipaddr; + } + + dev = netdev_findby_ipv6addr(*lipaddr, *ripaddr); +#else + /* There is only one, the first network device in the list. */ + + dev = g_netdevices; +#endif + + if (!dev) + { + net_unlock(); + return -EINVAL; + } + + /* Set the address family and the IP address */ + +#if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + outaddr->sin6_family = AF_INET6; + memcpy(outaddr->sin6_addr.in6_u.u6_addr8, dev->d_ipv6addr, 16); + *addrlen = sizeof(struct sockaddr_in6); +#endif + net_unlock(); + + /* Return success */ + + return OK; +} +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: inet_getsockname + * + * Description: + * The getsockname() function retrieves the locally-bound name of the + * specified socket, stores this address in the sockaddr structure pointed + * to by the 'addr' argument, and stores the length of this address in the + * object pointed to by the 'addrlen' argument. + * + * If the actual length of the address is greater than the length of the + * supplied sockaddr structure, the stored address will be truncated. + * + * If the socket has not been bound to a local name, the value stored in + * the object pointed to by address is unspecified. + * + * Parameters: + * sockfd Socket descriptor of socket [in] + * addr sockaddr structure to receive data [out] + * addrlen Length of sockaddr structure [in/out] + * + * Returned Value: + * On success, 0 is returned, the 'addr' argument points to the address + * of the socket, and the 'addrlen' argument points to the length of the + * address. Otherwise, -1 is returned and errno is set to indicate the error. + * Possible errno values that may be returned include: + * + * EBADF - The socket argument is not a valid file descriptor. + * EOPNOTSUPP - The operation is not supported for this socket's protocol. + * EINVAL - The socket has been shut down. + * + * Assumptions: + * + ****************************************************************************/ + +int inet_getsockname(FAR struct socket *psock, FAR struct sockaddr *addr, + FAR socklen_t *addrlen) +{ + int ret; + +#ifdef CONFIG_NET_USRSOCK + if (psock->s_type == SOCK_USRSOCK_TYPE) + { + FAR struct usrsock_conn_s *conn = psock->s_conn; + + DEBUGASSERT(conn); + + /* Handle usrsock getsockname */ + + ret = usrsock_getsockname(conn, addr, addrlen); + if (ret < 0) + { + errcode = -ret; + goto errout; + } + + return OK; + } +#endif + + /* Handle by address domain */ + + switch (psock->s_domain) + { +#ifdef CONFIG_NET_IPv4 + case PF_INET: + ret = ipv4_getsockname(psock, addr, addrlen); + break; +#endif + +#ifdef CONFIG_NET_IPv6 + case PF_INET6: + ret = ipv6_getsockname(psock, addr, addrlen); + break; +#endif + + case PF_PACKET: + default: + errcode = EAFNOSUPPORT; + goto errout; + } + +errout: + set_errno(errcode); + return ERROR; +} + +#endif /* CONFIG_NET */ diff --git a/net/socket/ipv4_getsockname.c b/net/socket/ipv4_getsockname.c new file mode 100644 index 00000000000..153e1d0d52b --- /dev/null +++ b/net/socket/ipv4_getsockname.c @@ -0,0 +1,197 @@ +/**************************************************************************** + * net/socket/ipv4_getsockname.c + * + * Copyright (C) 2011-2012, 2017 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include +#include +#include + +#include +#include + +#include "socket/socket.h" + +#ifdef CONFIG_NET_IPv4 + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: ipv4_getsockname + * + * Description: + * The ipv4_getsockname() function retrieves the locally-bound name of the + * specified PF_NET socket. + * + * Parameters: + * psock Point to the socket structure instance [in] + * addr sockaddr structure to receive data [out] + * addrlen Length of sockaddr structure [in/out] + * + * Returned Value: + * On success, 0 is returned, the 'addr' argument points to the address + * of the socket, and the 'addrlen' argument points to the length of the + * address. Otherwise, a negated errno value is returned. See + * getsockname() for the list of returned error values. + * + ****************************************************************************/ + +int ipv4_getsockname(FAR struct socket *psock, FAR struct sockaddr *addr, + FAR socklen_t *addrlen) +{ +#if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + FAR struct sockaddr_in *outaddr = (FAR struct sockaddr_in *)addr; +#endif + FAR struct net_driver_s *dev; +#ifdef CONFIG_NETDEV_MULTINIC + in_addr_t lipaddr; + in_addr_t ripaddr; +#endif + + /* Check if enough space has been provided for the full address */ + + if (*addrlen < sizeof(struct sockaddr_in)) + { + /* This function is supposed to return the partial address if + * a smaller buffer has been provided. This support has not + * been implemented. + */ + + return -ENOSYS; + } + + /* Set the port number */ + + switch (psock->s_type) + { +#ifdef NET_TCP_HAVE_STACK + case SOCK_STREAM: + { + FAR struct tcp_conn_s *tcp_conn = (FAR struct tcp_conn_s *)psock->s_conn; + + outaddr->sin_port = tcp_conn->lport; /* Already in network byte order */ + +#ifdef CONFIG_NETDEV_MULTINIC + lipaddr = tcp_conn->u.ipv4.laddr; + ripaddr = tcp_conn->u.ipv4.raddr; +#endif + } + break; +#endif + +#ifdef NET_UDP_HAVE_STACK + case SOCK_DGRAM: + { + FAR struct udp_conn_s *udp_conn = (FAR struct udp_conn_s *)psock->s_conn; + + outaddr->sin_port = udp_conn->lport; /* Already in network byte order */ + +#ifdef CONFIG_NETDEV_MULTINIC + lipaddr = udp_conn->u.ipv4.laddr; + ripaddr = udp_conn->u.ipv4.raddr; +#endif + } + break; +#endif + + default: + return -EOPNOTSUPP; + } + +#ifdef CONFIG_NETDEV_MULTINIC + /* The socket/connection does not know its IP address unless + * CONFIG_NETDEV_MULTINIC is selected. Otherwise the design supports only + * a single network device and only the network device knows the IP address. + */ + + if (lipaddr == 0) + { + outaddr->sin_family = psock->s_domain; + outaddr->sin_addr.s_addr = 0; + *addrlen = sizeof(struct sockaddr_in); + + return OK; + } +#endif + + net_lock(); + +#ifdef CONFIG_NETDEV_MULTINIC + /* Find the device matching the IPv4 address in the connection structure. + * NOTE: listening sockets have no ripaddr. Work around is to use the + * lipaddr when ripaddr is not available. + */ + + if (ripaddr == 0) + { + ripaddr = lipaddr; + } + + dev = netdev_findby_ipv4addr(lipaddr, ripaddr); +#else + /* There is only one, the first network device in the list. */ + + dev = g_netdevices; +#endif + + if (dev == NULL) + { + net_unlock(); + return -EINVAL; + } + + /* Set the address family and the IP address */ + + outaddr->sin_family = psock->s_domain; + outaddr->sin_addr.s_addr = dev->d_ipaddr; + *addrlen = sizeof(struct sockaddr_in); + + net_unlock(); + + /* Return success */ + + return OK; +} + +#endif /* CONFIG_NET_IPv4 */ diff --git a/net/socket/ipv6_getsockname.c b/net/socket/ipv6_getsockname.c new file mode 100644 index 00000000000..c94738fc2de --- /dev/null +++ b/net/socket/ipv6_getsockname.c @@ -0,0 +1,197 @@ +/**************************************************************************** + * net/socket/ipv6_getsockname.c + * + * Copyright (C) 2011-2012, 2017 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include +#include +#include + +#include +#include + +#include "socket/socket.h" + +#ifdef CONFIG_NET_IPv6 + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: ipv6_getsockname + * + * Description: + * The ipv6_getsockname() function retrieves the locally-bound name of the + * specified PF_NET6 socket. + * + * Parameters: + * psock Point to the socket structure instance [in] + * addr sockaddr structure to receive data [out] + * addrlen Length of sockaddr structure [in/out] + * + * Returned Value: + * On success, 0 is returned, the 'addr' argument points to the address + * of the socket, and the 'addrlen' argument points to the length of the + * address. Otherwise, a negated errno value is returned. See + * getsockname() for the list of returned error values. + * + ****************************************************************************/ + +int ipv6_getsockname(FAR struct socket *psock, FAR struct sockaddr *addr, + FAR socklen_t *addrlen) +{ + #if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + FAR struct sockaddr_in6 *outaddr = (FAR struct sockaddr_in6 *)addr; +#endif + FAR struct net_driver_s *dev; +#ifdef CONFIG_NETDEV_MULTINIC + net_ipv6addr_t *lipaddr; + net_ipv6addr_t *ripaddr; +#endif + + /* Check if enough space has been provided for the full address */ + + if (*addrlen < sizeof(struct sockaddr_in6)) + { + /* This function is supposed to return the partial address if + * a smaller buffer has been provided. This support has not + * been implemented. + */ + + return -ENOSYS; + } + + /* Set the port number */ + + switch (psock->s_type) + { +#ifdef NET_TCP_HAVE_STACK + case SOCK_STREAM: + { + FAR struct tcp_conn_s *tcp_conn = (FAR struct tcp_conn_s *)psock->s_conn; + outaddr->sin6_port = tcp_conn->lport; /* Already in network byte order */ + +#ifdef CONFIG_NETDEV_MULTINIC + lipaddr = &tcp_conn->u.ipv6.laddr; + ripaddr = &tcp_conn->u.ipv6.raddr; +#endif + } + break; +#endif + +#ifdef NET_UDP_HAVE_STACK + case SOCK_DGRAM: + { + FAR struct udp_conn_s *udp_conn = (FAR struct udp_conn_s *)psock->s_conn; + outaddr->sin6_port = udp_conn->lport; /* Already in network byte order */ + +#ifdef CONFIG_NETDEV_MULTINIC + lipaddr = &udp_conn->u.ipv6.laddr; + ripaddr = &udp_conn->u.ipv6.raddr; +#endif + } + break; +#endif + + default: + return -EOPNOTSUPP; + } + +#ifdef CONFIG_NETDEV_MULTINIC + /* The socket/connection does not know its IP address unless + * CONFIG_NETDEV_MULTINIC is selected. Otherwise the design supports only + * a single network device and only the network device knows the IP address. + */ + + if (net_ipv6addr_cmp(lipaddr, g_ipv6_allzeroaddr)) + { +#if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + outaddr->sin6_family = AF_INET6; + memcpy(outaddr->sin6_addr.in6_u.u6_addr8, g_ipv6_allzeroaddr, 16); + *addrlen = sizeof(struct sockaddr_in6); +#endif + return OK; + } +#endif + + net_lock(); + +#ifdef CONFIG_NETDEV_MULTINIC + /* Find the device matching the IPv6 address in the connection structure. + * NOTE: listening sockets have no ripaddr. Work around is to use the + * lipaddr when ripaddr is not available. + */ + + if (net_ipv6addr_cmp(ripaddr, g_ipv6_allzeroaddr)) + { + ripaddr = lipaddr; + } + + dev = netdev_findby_ipv6addr(*lipaddr, *ripaddr); +#else + /* There is only one, the first network device in the list. */ + + dev = g_netdevices; +#endif + + if (!dev) + { + net_unlock(); + return -EINVAL; + } + + /* Set the address family and the IP address */ + +#if defined(NET_TCP_HAVE_STACK) || defined(NET_UDP_HAVE_STACK) + outaddr->sin6_family = AF_INET6; + memcpy(outaddr->sin6_addr.in6_u.u6_addr8, dev->d_ipv6addr, 16); + *addrlen = sizeof(struct sockaddr_in6); +#endif + net_unlock(); + + /* Return success */ + + return OK; +} + +#endif /* CONFIG_NET_IPv6 */