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MXS-1267: Expose MySQL backend authentication

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Refactored the backend authentication functions so that they can be
exposed to the tee filter. This allows the tee filter to use the same
functions as the protocol modules use without having to reimplement them
inside the tee filter.
This commit is contained in:
Markus Mäkelä
2017-05-23 10:34:59 +03:00
parent 7e70b8c58b
commit e43cdcf741
3 changed files with 110 additions and 149 deletions
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47
include/maxscale/protocol/mysql.h
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@ -12,29 +12,6 @@
* Public License.
*/
/*
* Revision History
*
* Date Who Description
* 01-06-2013 Mark Riddoch Initial implementation
* 14-06-2013 Massimiliano Pinto Added specific data
* for MySQL session
* 04-07-2013 Massimiliano Pinto Added new MySQL protocol status for asynchronous connection
* Added authentication reply status
* 12-07-2013 Massimiliano Pinto Added routines for change_user
* 14-02-2014 Massimiliano Pinto setipaddress returns int
* 25-02-2014 Massimiliano Pinto Added dcb parameter to gw_find_mysql_user_password_sha1()
* and repository to gw_check_mysql_scramble_data()
* It's now possible to specify a different users' table than
* dcb->service->users default
* 26-02-2014 Massimiliano Pinto Removed previously added parameters to gw_check_mysql_scramble_data() and
* gw_find_mysql_user_password_sha1()
* 28-02-2014 Massimiliano Pinto MYSQL_DATABASE_MAXLEN,MYSQL_USER_MAXLEN moved to dbusers.h
* 07-02-2016 Martin Brampton Extend MYSQL_session type; add MYSQL_AUTH_SUCCEEDED
* 17-05-2016 Martin Brampton Moved gw_find_mysql_user_password_sha1 to mysql_auth.c
*
*/
#include <maxscale/cdefs.h>
#include <stdio.h>
#include <stdlib.h>
@ -431,6 +408,30 @@ void init_response_status(GWBUF* buf, uint8_t cmd, int* npackets, size_t* nbytes
bool read_complete_packet(DCB *dcb, GWBUF **readbuf);
bool gw_get_shared_session_auth_info(DCB* dcb, MYSQL_session* session);
/**
* Decode server handshake
*
* @param conn The MySQLProtocol structure
* @param payload The handshake payload without the network header
*
* @return 0 on success, -1 on failure
*
*/
int gw_decode_mysql_server_handshake(MySQLProtocol *conn, uint8_t *payload);
/**
* Create a response to the server handshake
*
* @param session Session object
* @param conn MySQL Protocol object for this connection
* @param with_ssl Whether to create an SSL response or a normal response packet
* @param ssl_established Set to true if the SSL response has been sent
*
* @return Generated response packet
*/
GWBUF* gw_generate_auth_response(MXS_SESSION* session, MySQLProtocol *conn,
bool with_ssl, bool ssl_established);
/** Read the backend server's handshake */
bool gw_read_backend_handshake(DCB *dcb, GWBUF *buffer);