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path: root/crypto/bio/bss_dgram.c
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Diffstat (limited to 'crypto/bio/bss_dgram.c')
-rw-r--r--crypto/bio/bss_dgram.c84
1 files changed, 77 insertions, 7 deletions
diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c
index e3e3dd0503a8..7fcd831da06b 100644
--- a/crypto/bio/bss_dgram.c
+++ b/crypto/bio/bss_dgram.c
@@ -65,7 +65,7 @@
#include <openssl/bio.h>
#ifndef OPENSSL_NO_DGRAM
-# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS)
+# if defined(OPENSSL_SYS_VMS)
# include <sys/timeb.h>
# endif
@@ -80,6 +80,10 @@
# define IP_MTU 14 /* linux is lame */
# endif
+# if OPENSSL_USE_IPV6 && !defined(IPPROTO_IPV6)
+# define IPPROTO_IPV6 41 /* windows is lame */
+# endif
+
# if defined(__FreeBSD__) && defined(IN6_IS_ADDR_V4MAPPED)
/* Standard definition causes type-punning problems. */
# undef IN6_IS_ADDR_V4MAPPED
@@ -496,8 +500,8 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
int *ip;
struct sockaddr *to = NULL;
bio_dgram_data *data = NULL;
-# if defined(OPENSSL_SYS_LINUX) && (defined(IP_MTU_DISCOVER) || defined(IP_MTU))
int sockopt_val = 0;
+# if defined(OPENSSL_SYS_LINUX) && (defined(IP_MTU_DISCOVER) || defined(IP_MTU))
socklen_t sockopt_len; /* assume that system supporting IP_MTU is
* modern enough to define socklen_t */
socklen_t addr_len;
@@ -882,6 +886,61 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
ret = 0;
break;
# endif
+ case BIO_CTRL_DGRAM_SET_DONT_FRAG:
+ sockopt_val = num ? 1 : 0;
+
+ switch (data->peer.sa.sa_family) {
+ case AF_INET:
+# if defined(IP_DONTFRAG)
+ if ((ret = setsockopt(b->num, IPPROTO_IP, IP_DONTFRAG,
+ &sockopt_val, sizeof(sockopt_val))) < 0) {
+ perror("setsockopt");
+ ret = -1;
+ }
+# elif defined(OPENSSL_SYS_LINUX) && defined(IP_MTU_DISCOVER) && defined (IP_PMTUDISC_PROBE)
+ if ((sockopt_val = num ? IP_PMTUDISC_PROBE : IP_PMTUDISC_DONT),
+ (ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
+ &sockopt_val, sizeof(sockopt_val))) < 0) {
+ perror("setsockopt");
+ ret = -1;
+ }
+# elif defined(OPENSSL_SYS_WINDOWS) && defined(IP_DONTFRAGMENT)
+ if ((ret = setsockopt(b->num, IPPROTO_IP, IP_DONTFRAGMENT,
+ (const char *)&sockopt_val,
+ sizeof(sockopt_val))) < 0) {
+ perror("setsockopt");
+ ret = -1;
+ }
+# else
+ ret = -1;
+# endif
+ break;
+# if OPENSSL_USE_IPV6
+ case AF_INET6:
+# if defined(IPV6_DONTFRAG)
+ if ((ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_DONTFRAG,
+ (const void *)&sockopt_val,
+ sizeof(sockopt_val))) < 0) {
+ perror("setsockopt");
+ ret = -1;
+ }
+# elif defined(OPENSSL_SYS_LINUX) && defined(IPV6_MTUDISCOVER)
+ if ((sockopt_val = num ? IP_PMTUDISC_PROBE : IP_PMTUDISC_DONT),
+ (ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_MTU_DISCOVER,
+ &sockopt_val, sizeof(sockopt_val))) < 0) {
+ perror("setsockopt");
+ ret = -1;
+ }
+# else
+ ret = -1;
+# endif
+ break;
+# endif
+ default:
+ ret = -1;
+ break;
+ }
+ break;
case BIO_CTRL_DGRAM_GET_MTU_OVERHEAD:
ret = dgram_get_mtu_overhead(data);
break;
@@ -1995,11 +2054,22 @@ int BIO_dgram_non_fatal_error(int err)
static void get_current_time(struct timeval *t)
{
-# ifdef OPENSSL_SYS_WIN32
- struct _timeb tb;
- _ftime(&tb);
- t->tv_sec = (long)tb.time;
- t->tv_usec = (long)tb.millitm * 1000;
+# if defined(_WIN32)
+ SYSTEMTIME st;
+ union {
+ unsigned __int64 ul;
+ FILETIME ft;
+ } now;
+
+ GetSystemTime(&st);
+ SystemTimeToFileTime(&st, &now.ft);
+# ifdef __MINGW32__
+ now.ul -= 116444736000000000ULL;
+# else
+ now.ul -= 116444736000000000UI64; /* re-bias to 1/1/1970 */
+# endif
+ t->tv_sec = (long)(now.ul / 10000000);
+ t->tv_usec = ((int)(now.ul % 10000000)) / 10;
# elif defined(OPENSSL_SYS_VMS)
struct timeb tb;
ftime(&tb);