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s_client starttls: fix handling of multiline reply

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Fixes #8645

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8654)
This commit is contained in:
Dan Campbell 2019-04-04 15:15:33 -06:00 committed by Pauli
parent df09b6b5f9
commit f997e456b9
1 changed files with 1 additions and 1 deletions
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2
apps/s_client.c
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@ -2277,7 +2277,7 @@ int s_client_main(int argc, char **argv)
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
}
while (mbuf_len > 3 && mbuf[3] == '-');
while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);