timeleft.tv_usec += 1000000;
}
+ if (timeleft.tv_sec < 0)
+ {
+ timeleft.tv_sec = 0;
+ timeleft.tv_usec = 1;
+ }
+
/* Adjust socket timeout if next handhake message timer
* will expire earlier.
*/
- if (data->socket_timeout.tv_sec < timeleft.tv_sec ||
+ if ((data->socket_timeout.tv_sec == 0 && data->socket_timeout.tv_usec == 0) ||
+ (data->socket_timeout.tv_sec > timeleft.tv_sec) ||
(data->socket_timeout.tv_sec == timeleft.tv_sec &&
- data->socket_timeout.tv_usec <= timeleft.tv_usec))
+ data->socket_timeout.tv_usec >= timeleft.tv_usec))
{
#ifdef OPENSSL_SYS_WINDOWS
timeout = timeleft.tv_sec * 1000 + timeleft.tv_usec / 1000;
{
#if defined(SO_RCVTIMEO)
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
+
+ /* Is a timer active? */
+ if (data->next_timeout.tv_sec > 0 || data->next_timeout.tv_usec > 0)
+ {
#ifdef OPENSSL_SYS_WINDOWS
- int timeout = data->socket_timeout.tv_sec * 1000 +
- data->socket_timeout.tv_usec / 1000;
- if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- (void*)&timeout, sizeof(timeout)) < 0)
- { perror("setsockopt"); }
+ int timeout = data->socket_timeout.tv_sec * 1000 +
+ data->socket_timeout.tv_usec / 1000;
+ if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
+ (void*)&timeout, sizeof(timeout)) < 0)
+ { perror("setsockopt"); }
#else
- if ( setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, &(data->socket_timeout),
- sizeof(struct timeval)) < 0)
- { perror("setsockopt"); }
+ if ( setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, &(data->socket_timeout),
+ sizeof(struct timeval)) < 0)
+ { perror("setsockopt"); }
#endif
+ }
#endif
}
ret=recvfrom(b->num,out,outl,0,&peer,(void *)&peerlen);
dgram_reset_rcv_timeout(b);
- if ( ! data->connected && ret > 0)
- BIO_ctrl(b, BIO_CTRL_DGRAM_CONNECT, 0, &peer);
+ if ( ! data->connected && ret >= 0)
+ BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, &peer);
BIO_clear_retry_flags(b);
- if (ret <= 0)
+ if (ret < 0)
{
if (BIO_dgram_should_retry(ret))
{
BIO_set_retry_read(b);
data->_errno = get_last_socket_error();
}
- memset(&(data->hstimeout), 0, sizeof(struct timeval));
}
}
return(ret);
BIO_clear_retry_flags(b);
if (ret <= 0)
{
- if (BIO_sock_should_retry(ret))
+ if (BIO_dgram_should_retry(ret))
{
BIO_set_retry_write(b);
data->_errno = get_last_socket_error();
int *ip;
struct sockaddr *to = NULL;
bio_dgram_data *data = NULL;
+#if defined(IP_MTU_DISCOVER) || defined(IP_MTU)
long sockopt_val = 0;
unsigned int sockopt_len = 0;
+#endif
+#ifdef OPENSSL_SYS_LINUX
+ socklen_t addr_len;
+ struct sockaddr_storage addr;
+#endif
data = (bio_dgram_data *)b->ptr;
#endif
break;
/* (Linux)kernel sets DF bit on outgoing IP packets */
-#ifdef IP_MTU_DISCOVER
case BIO_CTRL_DGRAM_MTU_DISCOVER:
- sockopt_val = IP_PMTUDISC_DO;
- if ((ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
- &sockopt_val, sizeof(sockopt_val))) < 0)
- perror("setsockopt");
+#ifdef OPENSSL_SYS_LINUX
+ addr_len = (socklen_t)sizeof(struct sockaddr_storage);
+ memset((void *)&addr, 0, sizeof(struct sockaddr_storage));
+ if (getsockname(b->num, (void *)&addr, &addr_len) < 0)
+ {
+ ret = 0;
+ break;
+ }
+ sockopt_len = sizeof(sockopt_val);
+ switch (addr.ss_family)
+ {
+ case AF_INET:
+ sockopt_val = IP_PMTUDISC_DO;
+ if ((ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
+ &sockopt_val, sizeof(sockopt_val))) < 0)
+ perror("setsockopt");
+ break;
+#if OPENSSL_USE_IPV6
+ case AF_INET6:
+ sockopt_val = IPV6_PMTUDISC_DO;
+ if ((ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_MTU_DISCOVER,
+ &sockopt_val, sizeof(sockopt_val))) < 0)
+ perror("setsockopt");
+ break;
+#endif
+ default:
+ ret = -1;
+ break;
+ }
+ ret = -1;
+#else
break;
#endif
case BIO_CTRL_DGRAM_QUERY_MTU:
-#ifdef IP_MTU
- sockopt_len = sizeof(sockopt_val);
- if ((ret = getsockopt(b->num, IPPROTO_IP, IP_MTU, (void *)&sockopt_val,
- &sockopt_len)) < 0 || sockopt_val < 0)
- { ret = 0; }
- else
+#ifdef OPENSSL_SYS_LINUX
+ addr_len = (socklen_t)sizeof(struct sockaddr_storage);
+ memset((void *)&addr, 0, sizeof(struct sockaddr_storage));
+ if (getsockname(b->num, (void *)&addr, &addr_len) < 0)
{
- data->mtu = sockopt_val - 20 - 8; /* Subtract IP and UDP header */
- ret = data->mtu;
+ ret = 0;
+ break;
+ }
+ sockopt_len = sizeof(sockopt_val);
+ switch (addr.ss_family)
+ {
+ case AF_INET:
+ if ((ret = getsockopt(b->num, IPPROTO_IP, IP_MTU, (void *)&sockopt_val,
+ &sockopt_len)) < 0 || sockopt_val < 0)
+ {
+ ret = 0;
+ }
+ else
+ {
+ /* we assume that the transport protocol is UDP and no
+ * IP options are used.
+ */
+ data->mtu = sockopt_val - 8 - 20;
+ ret = data->mtu;
+ }
+ break;
+#if OPENSSL_USE_IPV6
+ case AF_INET6:
+ if ((ret = getsockopt(b->num, IPPROTO_IPV6, IPV6_MTU, (void *)&sockopt_val,
+ &sockopt_len)) < 0 || sockopt_val < 0)
+ {
+ ret = 0;
+ }
+ else
+ {
+ /* we assume that the transport protocol is UDP and no
+ * IPV6 options are used.
+ */
+ data->mtu = sockopt_val - 8 - 40;
+ ret = data->mtu;
+ }
+ break;
+#endif
+ default:
+ ret = 0;
+ break;
}
#else
ret = 0;
return data->mtu;
break;
case BIO_CTRL_DGRAM_SET_MTU:
- data->mtu = num - 20 - 8; /* Subtract IP and UDP header */
- ret = data->mtu;
+ data->mtu = num;
+ ret = num;
break;
case BIO_CTRL_DGRAM_SET_CONNECTED:
to = (struct sockaddr *)ptr;
memset(&(data->peer), 0x00, sizeof(struct sockaddr));
}
break;
+ case BIO_CTRL_DGRAM_GET_PEER:
+ to = (struct sockaddr *) ptr;
+
+ memcpy(to, &(data->peer), sizeof(struct sockaddr));
+ ret = sizeof(struct sockaddr);
+ break;
case BIO_CTRL_DGRAM_SET_PEER:
to = (struct sockaddr *) ptr;
# endif
#endif
-#if defined(ENOTCONN)
- case ENOTCONN:
-#endif
-
#ifdef EINTR
case EINTR:
#endif
case EALREADY:
#endif
-/* DF bit set, and packet larger than MTU */
-#ifdef EMSGSIZE
- case EMSGSIZE:
-#endif
-
return(1);
/* break; */
default:
projects / openssl.git / blobdiff