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-rw-r--r--src/vcl/vcom_socket.c101
1 files changed, 46 insertions, 55 deletions
diff --git a/src/vcl/vcom_socket.c b/src/vcl/vcom_socket.c
index b2d6f58d794..a84359e8417 100644
--- a/src/vcl/vcom_socket.c
+++ b/src/vcl/vcom_socket.c
@@ -1413,6 +1413,47 @@ vcom_session_getpeername (int sid, vppcom_endpt_t * ep)
return rv;
}
+static inline int
+vcom_socket_copy_ep_to_sockaddr (__SOCKADDR_ARG __addr,
+ socklen_t * __restrict __len,
+ vppcom_endpt_t * ep)
+{
+ int rv = 0;
+ int sa_len, copy_len;
+
+ __addr->sa_family = (ep->is_ip4 == VPPCOM_IS_IP4) ? AF_INET : AF_INET6;
+ switch (__addr->sa_family)
+ {
+ case AF_INET:
+ ((struct sockaddr_in *) __addr)->sin_port = ep->port;
+ if (*__len > sizeof (struct sockaddr_in))
+ *__len = sizeof (struct sockaddr_in);
+ sa_len = sizeof (struct sockaddr_in) - sizeof (struct in_addr);
+ copy_len = *__len - sa_len;
+ if (copy_len > 0)
+ memcpy (&((struct sockaddr_in *) __addr)->sin_addr, ep->ip, copy_len);
+ break;
+
+ case AF_INET6:
+ ((struct sockaddr_in6 *) __addr)->sin6_port = ep->port;
+ if (*__len > sizeof (struct sockaddr_in6))
+ *__len = sizeof (struct sockaddr_in6);
+ sa_len = sizeof (struct sockaddr_in6) - sizeof (struct in6_addr);
+ copy_len = *__len - sa_len;
+ if (copy_len > 0)
+ memcpy (((struct sockaddr_in6 *) __addr)->sin6_addr.
+ __in6_u.__u6_addr8, ep->ip, copy_len);
+ break;
+
+ default:
+ /* Not possible */
+ rv = -EAFNOSUPPORT;
+ break;
+ }
+
+ return rv;
+}
+
int
vcom_socket_getpeername (int __fd, __SOCKADDR_ARG __addr,
socklen_t * __restrict __len)
@@ -1421,7 +1462,8 @@ vcom_socket_getpeername (int __fd, __SOCKADDR_ARG __addr,
vcom_socket_main_t *vsm = &vcom_socket_main;
uword *p;
vcom_socket_t *vsock;
-
+ u8 src_addr[sizeof (struct sockaddr_in6)];
+ vppcom_endpt_t ep;
p = hash_get (vsm->sockidx_by_fd, __fd);
if (!p)
@@ -1437,31 +1479,10 @@ vcom_socket_getpeername (int __fd, __SOCKADDR_ARG __addr,
if (!__addr || !__len)
return -EFAULT;
- vppcom_endpt_t ep;
- ep.ip = (u8 *) & ((const struct sockaddr_in *) __addr)->sin_addr;
+ ep.ip = src_addr;
rv = vcom_session_getpeername (vsock->sid, &ep);
if (rv == 0)
- {
- if (ep.vrf == VPPCOM_VRF_DEFAULT)
- {
- __addr->sa_family = ep.is_ip4 == VPPCOM_IS_IP4 ? AF_INET : AF_INET6;
- switch (__addr->sa_family)
- {
- case AF_INET:
- ((struct sockaddr_in *) __addr)->sin_port = ep.port;
- *__len = sizeof (struct sockaddr_in);
- break;
-
- case AF_INET6:
- ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
- *__len = sizeof (struct sockaddr_in6);
- break;
-
- default:
- break;
- }
- }
- }
+ rv = vcom_socket_copy_ep_to_sockaddr (__addr, __len, &ep);
return rv;
}
@@ -1633,37 +1654,7 @@ vcom_session_recvfrom (int __sid, void *__restrict __buf, size_t __n,
rv = vppcom_session_recvfrom (__sid, __buf, __n, __flags, &ep);
if (rv > 0)
- {
- if (ep.vrf == VPPCOM_VRF_DEFAULT)
- {
- __addr->sa_family =
- ep.is_ip4 == VPPCOM_IS_IP4 ? AF_INET : AF_INET6;
- switch (__addr->sa_family)
- {
- case AF_INET:
- ((struct sockaddr_in *) __addr)->sin_port = ep.port;
- memcpy (&((struct sockaddr_in *) __addr)->sin_addr,
- src_addr, sizeof (struct in_addr));
-
- *__addr_len = sizeof (struct sockaddr_in);
- break;
-
- case AF_INET6:
- ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
- memcpy (((struct sockaddr_in6 *) __addr)->sin6_addr.
- __in6_u.__u6_addr8, src_addr,
- sizeof (struct in6_addr));
- *__addr_len = sizeof (struct sockaddr_in6);
- break;
-
- default:
- rv = -EAFNOSUPPORT;
- break;
- }
- }
- else
- rv = -1;
- }
+ rv = vcom_socket_copy_ep_to_sockaddr (__addr, __addr_len, &ep);
}
else
rv = vppcom_session_recvfrom (__sid, __buf, __n, __flags, NULL);