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Get pointer type right in BIO_ssl_shutdown()

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Also, restore 1.0.2 behavior of looping over all BIO's in the chain.
Thanks to Joseph Bester for finding this and suggesting a fix to the
crash.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2651)
(cherry picked from commit 9015d34e141af747f7c750f8d08f862b2a8273c7)
This commit is contained in:
Rich Salz 2017-02-16 11:13:47 -05:00
parent c6e4fdbf8b
commit 5180091200
1 changed files with 8 additions and 7 deletions
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15
ssl/bio_ssl.c
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@ -517,12 +517,13 @@ int BIO_ssl_copy_session_id(BIO *t, BIO *f)
void BIO_ssl_shutdown(BIO *b)
{
SSL *s;
BIO_SSL *bdata;
b = BIO_find_type(b, BIO_TYPE_SSL);
if (b == NULL)
return;
s = BIO_get_data(b);
SSL_shutdown(s);
for (; b != NULL; b = BIO_next(b)) {
if (BIO_method_type(b) != BIO_TYPE_SSL)
continue;
bdata = BIO_get_data(b);
if (bdata != NULL && bdata->ssl != NULL)
SSL_shutdown(bdata->ssl);
}
}