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In the corner case that the global OpenSSL has an invalid command like
MinProtocol = TLSv1.0
(Due to OpenSSL's idiosyncrasies MinProtocol = TLSv1 would be correct)
the SSL_ctx_new function leaves the errors for parsing the config file
on the stack.
OpenSSL: error:14187180:SSL routines:ssl_do_config:bad value
Since the later functions, especially the one of loading the
certificates expected a clean error this error got reported at the
wrong place.
Print the warnings with crypto_msg when we detect that we are in this
situation (this also clears the stack).
---
src/openvpn/ssl_openssl.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/openvpn/ssl_openssl.c b/src/openvpn/ssl_openssl.c
index 5955c6bd..555cbbdf 100644
--- a/src/openvpn/ssl_openssl.c
+++ b/src/openvpn/ssl_openssl.c
@@ -115,6 +115,11 @@ tls_ctx_server_new(struct tls_root_ctx *ctx)
{
crypto_msg(M_FATAL, "SSL_CTX_new SSLv23_server_method");
}
+ if (ERR_peek_error() != 0)
+ {
+ crypto_msg(M_WARN, "Warning: TLS server context initialisation "
+ "has warnings.");
+ }
}
void
@@ -128,6 +133,11 @@ tls_ctx_client_new(struct tls_root_ctx *ctx)
{
crypto_msg(M_FATAL, "SSL_CTX_new SSLv23_client_method");
}
+ if (ERR_peek_error() != 0)
+ {
+ crypto_msg(M_WARN, "Warning: TLS client context initialisation "
+ "has warnings.");
+ }
}
void
--
2.26.0
|
