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| author | Vadim Fedorenko <vadimjunk@gmail.com> | 2020-05-04 13:46:04 +0300 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2020-06-08 11:13:53 +0100 |
| commit | a6d36303e91b79379da2e2ffaa608dba704d3eb8 (patch) | |
| tree | cbab959207878788434706cb10526f32d59ca0ce /ssl | |
| parent | da4db1602d8f7f031f12ddc04de84129138c419c (diff) | |
TLSv1.3: additional checks in SSL_set_record_padding_callback
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11589)
Diffstat (limited to 'ssl')
| -rw-r--r-- | ssl/ssl_lib.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c index c2c2388716..9fb65b6825 100644 --- a/ssl/ssl_lib.c +++ b/ssl/ssl_lib.c @@ -4645,11 +4645,18 @@ int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size) return 1; } -void SSL_set_record_padding_callback(SSL *ssl, +int SSL_set_record_padding_callback(SSL *ssl, size_t (*cb) (SSL *ssl, int type, size_t len, void *arg)) { - ssl->record_padding_cb = cb; + BIO *b; + + b = SSL_get_wbio(ssl); + if (b == NULL || !BIO_get_ktls_send(b)) { + ssl->record_padding_cb = cb; + return 1; + } + return 0; } void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg) |