[qpid-proton] 02/02: PROTON-2613: TLS OpenSSL library: fix SSL_write configuration for partial writes

[cl...@apache.org]

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cliffjansen pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/qpid-proton.git

commit c1171d9ab347cbd1442a7f77ad6dd4db74f8619b
Author: Clifford Jansen <cl...@apache.org>
AuthorDate: Thu Sep 15 10:25:12 2022 -0700

    PROTON-2613: TLS OpenSSL library: fix SSL_write configuration for partial writes
---
 c/src/tls/openssl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/c/src/tls/openssl.c b/c/src/tls/openssl.c
index c05e09b99..4aadc8861 100644
--- a/c/src/tls/openssl.c
+++ b/c/src/tls/openssl.c
@@ -1205,6 +1205,9 @@ static int init_ssl_socket(pn_tls_t *ssl, pn_tls_config_t *domain)
     return -1;
   }
 
+  // Enable "write as much as you hve buffer space for", similar to BIOs and raw sockets.
+  SSL_set_mode(ssl->ssl, SSL_MODE_ENABLE_PARTIAL_WRITE);
+
   // store backpointer
   SSL_set_ex_data(ssl->ssl, tls_ex_data_index, ssl);
 


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