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Add accessor to retrieve SNI during handshake

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Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
This commit is contained in:
Glenn Strauss
2022-01-24 12:58:00 -05:00
parent 36872dbd0b
commit 6989407261
6 changed files with 44 additions and 5 deletions
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21
include/mbedtls/ssl.h
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@ -3540,6 +3540,27 @@ int mbedtls_ssl_set_hostname( mbedtls_ssl_context *ssl, const char *hostname );
#endif /* MBEDTLS_X509_CRT_PARSE_C */
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
/**
* \brief Retrieve SNI extension value for the current handshake.
* Available in \p f_cert_cb of \c mbedtls_ssl_conf_cert_cb(),
* this is the same value passed to \p f_sni callback of
* \c mbedtls_ssl_conf_sni() and may be used instead of
* \c mbedtls_ssl_conf_sni().
*
* \param ssl SSL context
* \param name_len pointer into which to store length of returned value.
* 0 if SNI extension is not present or not yet processed.
*
* \return const pointer to SNI extension value.
* - value is valid only when called in \p f_cert_cb
* registered with \c mbedtls_ssl_conf_cert_cb().
* - value is NULL if SNI extension is not present.
* - value is not '\0'-terminated. Use \c name_len for len.
* - value must not be freed.
*/
const unsigned char *mbedtls_ssl_get_hs_sni( mbedtls_ssl_context *ssl,
size_t *name_len );
/**
* \brief Set own certificate and key for the current handshake
*