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Add TLSv1.3 support 

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
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GPG Key ID: 9F72CDBC01BF10EB
1 changed files with 15 additions and 0 deletions
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15
common/ssl_calls.c
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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)