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Make documentation more explicit on TLS errors

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fixes #358
This commit is contained in:
Manuel Pégourié-Gonnard 2015-12-10 13:57:27 +01:00
parent 5a8396ed55
commit 7da96958a6
1 changed files with 41 additions and 1 deletions
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42
include/mbedtls/ssl.h
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@ -2087,7 +2087,8 @@ int mbedtls_ssl_get_session( const mbedtls_ssl_context *ssl, mbedtls_ssl_session
* \note If this function returns something other than 0 or * \note If this function returns something other than 0 or
* MBEDTLS_ERR_SSL_WANT_READ/WRITE, then the ssl context * MBEDTLS_ERR_SSL_WANT_READ/WRITE, then the ssl context
* becomes unusable, and you should either free it or call * becomes unusable, and you should either free it or call
* \c mbedtls_ssl_session_reset() on it before re-using it. * \c mbedtls_ssl_session_reset() on it before re-using it for
* a new connection; the current connection must be closed.
* *
* \note If DTLS is in use, then you may choose to handle * \note If DTLS is in use, then you may choose to handle
* MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED specially for logging * MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED specially for logging
@ -2103,6 +2104,12 @@ int mbedtls_ssl_handshake( mbedtls_ssl_context *ssl );
* the following state after execution of this function. * the following state after execution of this function.
* Do not call this function if state is MBEDTLS_SSL_HANDSHAKE_OVER. * Do not call this function if state is MBEDTLS_SSL_HANDSHAKE_OVER.
* *
* \note If this function returns something other than 0 or
* MBEDTLS_ERR_SSL_WANT_READ/WRITE, then the ssl context
* becomes unusable, and you should either free it or call
* \c mbedtls_ssl_session_reset() on it before re-using it for
* a new connection; the current connection must be closed.
*
* \param ssl SSL context * \param ssl SSL context
* *
* \return 0 if successful, or * \return 0 if successful, or
@ -2121,6 +2128,12 @@ int mbedtls_ssl_handshake_step( mbedtls_ssl_context *ssl );
* \param ssl SSL context * \param ssl SSL context
* *
* \return 0 if successful, or any mbedtls_ssl_handshake() return value. * \return 0 if successful, or any mbedtls_ssl_handshake() return value.
*
* \note If this function returns something other than 0 or
* MBEDTLS_ERR_SSL_WANT_READ/WRITE, then the ssl context
* becomes unusable, and you should either free it or call
* \c mbedtls_ssl_session_reset() on it before re-using it for
* a new connection; the current connection must be closed.
*/ */
int mbedtls_ssl_renegotiate( mbedtls_ssl_context *ssl ); int mbedtls_ssl_renegotiate( mbedtls_ssl_context *ssl );
#endif /* MBEDTLS_SSL_RENEGOTIATION */ #endif /* MBEDTLS_SSL_RENEGOTIATION */
@ -2138,6 +2151,13 @@ int mbedtls_ssl_renegotiate( mbedtls_ssl_context *ssl );
* MBEDTLS_ERR_SSL_CLIENT_RECONNECT (see below), or * MBEDTLS_ERR_SSL_CLIENT_RECONNECT (see below), or
* another negative error code. * another negative error code.
* *
* \note If this function returns something other than a positive
* value or MBEDTLS_ERR_SSL_WANT_READ/WRITE or
* MBEDTLS_ERR_SSL_CLIENT_RECONNECT, then the ssl context
* becomes unusable, and you should either free it or call
* \c mbedtls_ssl_session_reset() on it before re-using it for
* a new connection; the current connection must be closed.
*
* \note When this function return MBEDTLS_ERR_SSL_CLIENT_RECONNECT * \note When this function return MBEDTLS_ERR_SSL_CLIENT_RECONNECT
* (which can only happen server-side), it means that a client * (which can only happen server-side), it means that a client
* is initiating a new connection using the same source port. * is initiating a new connection using the same source port.
@ -2171,6 +2191,12 @@ int mbedtls_ssl_read( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len )
* or MBEDTLS_ERR_SSL_WANT_WRITE of MBEDTLS_ERR_SSL_WANT_READ, * or MBEDTLS_ERR_SSL_WANT_WRITE of MBEDTLS_ERR_SSL_WANT_READ,
* or another negative error code. * or another negative error code.
* *
* \note If this function returns something other than a positive
* value or MBEDTLS_ERR_SSL_WANT_READ/WRITE, the ssl context
* becomes unusable, and you should either free it or call
* \c mbedtls_ssl_session_reset() on it before re-using it for
* a new connection; the current connection must be closed.
*
* \note When this function returns MBEDTLS_ERR_SSL_WANT_WRITE/READ, * \note When this function returns MBEDTLS_ERR_SSL_WANT_WRITE/READ,
* it must be called later with the *same* arguments, * it must be called later with the *same* arguments,
* until it returns a positive value. * until it returns a positive value.
@ -2194,6 +2220,12 @@ int mbedtls_ssl_write( mbedtls_ssl_context *ssl, const unsigned char *buf, size_
* \param message The alert message (SSL_ALERT_MSG_*) * \param message The alert message (SSL_ALERT_MSG_*)
* *
* \return 0 if successful, or a specific SSL error code. * \return 0 if successful, or a specific SSL error code.
*
* \note If this function returns something other than 0 or
* MBEDTLS_ERR_SSL_WANT_READ/WRITE, then the ssl context
* becomes unusable, and you should either free it or call
* \c mbedtls_ssl_session_reset() on it before re-using it for
* a new connection; the current connection must be closed.
*/ */
int mbedtls_ssl_send_alert_message( mbedtls_ssl_context *ssl, int mbedtls_ssl_send_alert_message( mbedtls_ssl_context *ssl,
unsigned char level, unsigned char level,
@ -2202,6 +2234,14 @@ int mbedtls_ssl_send_alert_message( mbedtls_ssl_context *ssl,
* \brief Notify the peer that the connection is being closed * \brief Notify the peer that the connection is being closed
* *
* \param ssl SSL context * \param ssl SSL context
*
* \return 0 if successful, or a specific SSL error code.
*
* \note If this function returns something other than 0 or
* MBEDTLS_ERR_SSL_WANT_READ/WRITE, then the ssl context
* becomes unusable, and you should either free it or call
* \c mbedtls_ssl_session_reset() on it before re-using it for
* a new connection; the current connection must be closed.
*/ */
int mbedtls_ssl_close_notify( mbedtls_ssl_context *ssl ); int mbedtls_ssl_close_notify( mbedtls_ssl_context *ssl );