From cfb95ba9f63614d31cab96d8afdc7dd9e659fb72 Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Sun, 14 Sep 2008 19:23:46 +0000
Subject: [PATCH] Winsock handles SO_RCVTIMEO in unique manner... [from HEAD].
 PR: 1648

---
 crypto/bio/bss_dgram.c | 64 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 62 insertions(+), 2 deletions(-)

diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c
index ea2c3fff63..1d203aeec5 100644
--- a/crypto/bio/bss_dgram.c
+++ b/crypto/bio/bss_dgram.c
@@ -82,7 +82,7 @@ static int dgram_new(BIO *h);
 static int dgram_free(BIO *data);
 static int dgram_clear(BIO *bio);
 
-int BIO_dgram_should_retry(int s);
+static int BIO_dgram_should_retry(int s);
 
 static BIO_METHOD methods_dgramp=
 	{
@@ -345,30 +345,90 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
 
         memcpy(&(data->peer), to, sizeof(struct sockaddr));
         break;
+#if defined(SO_RCVTIMEO)
 	case BIO_CTRL_DGRAM_SET_RECV_TIMEOUT:
+#ifdef OPENSSL_SYS_WINDOWS
+		{
+		struct timeval *tv = (struct timeval *)ptr;
+		int timeout = tv->tv_sec * 1000 + tv->tv_usec/1000;
+		if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIME0,
+			(void*)&timeout, sizeof(timeout)) < 0)
+			{ perror("setsockopt"); ret = -1; }
+		}
+#else
 		if ( setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, ptr,
 			sizeof(struct timeval)) < 0)
 			{ perror("setsockopt");	ret = -1; }
+#endif
 		break;
 	case BIO_CTRL_DGRAM_GET_RECV_TIMEOUT:
+#ifdef OPENSSL_SYS_WINDOWS
+		{
+		int timeout, sz = sizeof(timeout);
+		struct timeval *tv = (struct timeval *)ptr;
+		if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIME0,
+			(void*)&timeout, &sz)) < 0)
+			{ perror("getsockopt"); ret = -1; }
+		else
+			{
+			tv->tv_sec = timeout / 1000;
+			tv->tv_usec = (timeout % 1000) * 1000;
+			ret = sizeof(*tv);
+			}
+		}
+#else
 		if ( getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, 
 			ptr, (void *)&ret) < 0)
 			{ perror("getsockopt"); ret = -1; }
+#endif
 		break;
+#endif
+#if defined(SO_SNDTIMEO)
 	case BIO_CTRL_DGRAM_SET_SEND_TIMEOUT:
+#ifdef OPENSSL_SYS_WINDOWS
+		{
+		struct timeval *tv = (struct timeval *)ptr;
+		int timeout = tv->tv_sec * 1000 + tv->tv_usec/1000;
+		if (setsockopt(b->num, SOL_SOCKET, SO_SNDTIME0,
+			(void*)&timeout, sizeof(timeout)) < 0)
+			{ perror("setsockopt"); ret = -1; }
+		}
+#else
 		if ( setsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO, ptr,
 			sizeof(struct timeval)) < 0)
 			{ perror("setsockopt");	ret = -1; }
+#endif
 		break;
 	case BIO_CTRL_DGRAM_GET_SEND_TIMEOUT:
+#ifdef OPENSSL_SYS_WINDOWS
+		{
+		int timeout, sz = sizeof(timeout);
+		struct timeval *tv = (struct timeval *)ptr;
+		if (getsockopt(b->num, SOL_SOCKET, SO_SNDTIME0,
+			(void*)&timeout, &sz)) < 0)
+			{ perror("getsockopt"); ret = -1; }
+		else
+			{
+			tv->tv_sec = timeout / 1000;
+			tv->tv_usec = (timeout % 1000) * 1000;
+			ret = sizeof(*tv);
+			}
+		}
+#else
 		if ( getsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO, 
 			ptr, (void *)&ret) < 0)
 			{ perror("getsockopt"); ret = -1; }
+#endif
 		break;
+#endif
 	case BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP:
 		/* fall-through */
 	case BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP:
+#ifdef OPENSSL_SYS_WINDOWS
+		if ( data->_errno == ETIMEDOUT)
+#else
 		if ( data->_errno == EAGAIN)
+#endif
 			{
 			ret = 1;
 			data->_errno = 0;
@@ -403,7 +463,7 @@ static int dgram_puts(BIO *bp, const char *str)
 	return(ret);
 	}
 
-int BIO_dgram_should_retry(int i)
+static int BIO_dgram_should_retry(int i)
 	{
 	int err;
 
-- 
2.25.1