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Add TLSv1.3 support

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Actually, TLSv1.3 will be enabled without this change if xrdp is compiled
with OpenSSL or alternatives which support TLSv1.3. This commit makes to
enable or disable TLSv1.3 explicitly.  Also, this commit adds a log
"TLSv1.3 enabled by config, but not supported by system OpenSSL". if
xrdp installation doesn't support TLSv1.3. It should be user-friendly.
This commit is contained in:
Koichiro IWAO
2018-08-16 11:31:35 +09:00
parent 98e8cec83d
commit 74497752dc
1 changed files with 15 additions and 0 deletions
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common/ssl_calls.c
+15
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@@ -1004,8 +1004,23 @@ ssl_get_protocols_from_string(const char *str, long *ssl_protocols)
#endif
#if defined(SSL_OP_NO_TLSv1_2)
protocols |= SSL_OP_NO_TLSv1_2;
#endif
#if defined(SSL_OP_NO_TLSv1_3)
protocols |= SSL_OP_NO_TLSv1_3;
#endif
bad_protocols = protocols;
if (g_pos(str, ",TLSv1.3,") >= 0)
{
#if defined(SSL_OP_NO_TLSv1_3)
log_message(LOG_LEVEL_DEBUG, "TLSv1.3 enabled");
protocols &= ~SSL_OP_NO_TLSv1_3;
#else
log_message(LOG_LEVEL_WARNING,
"TLSv1.3 enabled by config, "
"but not supported by system OpenSSL");
rv |= (1 << 6);
#endif
}
if (g_pos(str, ",TLSv1.2,") >= 0)
{
#if defined(SSL_OP_NO_TLSv1_2)