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imap-send: avoid deprecated TLSv1_method()

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Use SSLv23_method always and disable SSL if needed.

TLSv1_method() function is deprecated in OpenSSL 1.1.0 and the compiler
emits a warning.

SSLv23_method() is also deprecated, but the alternative, TLS_method(),
is new in OpenSSL 1.1.0 so requires checking by configure. Stick to
SSLv23_method() for now (this is aliased to TLS_method()).

Signed-off-by: Kazuki Yamaguchi <k@rhe.jp>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kazuki Yamaguchi 2016-04-09 01:22:15 +09:00 committed by Junio C Hamano
parent 6738a33b31
commit b51c0d4b4c
1 changed files with 4 additions and 5 deletions
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9
imap-send.c
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@ -287,11 +287,7 @@ static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int ve
SSL_library_init();
SSL_load_error_strings();
if (use_tls_only)
meth = TLSv1_method();
else
meth = SSLv23_method();
meth = SSLv23_method();
if (!meth) {
ssl_socket_perror("SSLv23_method");
return -1;
@ -303,6 +299,9 @@ static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int ve
return -1;
}
if (use_tls_only)
SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
if (verify)
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);