From: Andy Polyakov <appro@openssl.org>
Date: Thu, 7 Jan 2010 10:42:39 +0000 (+0000)
Subject: sendto is reportedly picky about destination socket address length.
X-Git-Tag: OpenSSL-fips-2_0-rc1~1359
X-Git-Url: https://git.openssl.org/gitweb/?a=commitdiff_plain;h=9b5ca556956bb67b7b24dfb84efd099c0a7eed6c;p=openssl.git

sendto is reportedly picky about destination socket address length.
PR: 2114
Submitted by: Robin Seggelmann
---

diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c
index ef739fcf59..eb7e365467 100644
--- a/crypto/bio/bss_dgram.c
+++ b/crypto/bio/bss_dgram.c
@@ -335,11 +335,21 @@ static int dgram_write(BIO *b, const char *in, int inl)
 	if ( data->connected )
 		ret=writesocket(b->num,in,inl);
 	else
+		{
+		int peerlen = sizeof(data->peer);
+
+		if (data->peer.sa.sa_family == AF_INET)
+			peerlen = sizeof(data->peer.sa_in);
+#if OPENSSL_USE_IVP6
+		else if (data->peer.sa.sa_family == AF_INET6)
+			peerlen = sizeof(data->peer.sa_in6);
+#endif
 #if defined(NETWARE_CLIB) && defined(NETWARE_BSDSOCK)
-		ret=sendto(b->num, (char *)in, inl, 0, &data->peer.sa, sizeof(data->peer));
+		ret=sendto(b->num, (char *)in, inl, 0, &data->peer.sa, peerlen);
 #else
-		ret=sendto(b->num, in, inl, 0, &data->peer.sa, sizeof(data->peer));
+		ret=sendto(b->num, in, inl, 0, &data->peer.sa, peerlen);
 #endif
+		}
 
 	BIO_clear_retry_flags(b);
 	if (ret <= 0)