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MXS-862: Add create/destroy and remove plugin_name entry points

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The create and destroy entry points allow authenticators to store data in
the DCB. This data is not shared by other DCBs related to the same
session.

The plugin_name entry point wasn't really useful as the plugins would
still need to send a AuthSwitchRequest packet if they wanted to change the
authentication mechanism.
This commit is contained in:
Markus Makela
2016-10-04 12:06:52 +03:00
parent 829d5a7453
commit dfeb5c46c9
15 changed files with 155 additions and 89 deletions
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7
server/include/gw_authenticator.h
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@ -42,12 +42,14 @@ struct servlistener;
* @verbatim
* The operations that can be performed on the descriptor
*
* create Create a data structure unique to this DCB, stored in dcb->authenticator_data
* extract Extract the data from a buffer and place in a structure
* shared at the session level, stored in dcb->data
* connectssl Determine whether the connection can support SSL
* authenticate Carry out the authentication
* free Free extracted data
* destroy Destroy the unique DCB data
* loadusers Load or update authenticator user data
* plugin_name The protocol specific name of the authentication plugin.
* @endverbatim
*
* This forms the "module object" for authenticator modules within the gateway.
@ -56,12 +58,13 @@ struct servlistener;
*/
typedef struct gw_authenticator
{
void *(*create)();
int (*extract)(struct dcb *, GWBUF *);
bool (*connectssl)(struct dcb *);
int (*authenticate)(struct dcb *);
void (*free)(struct dcb *);
void (*destroy)(void *);
int (*loadusers)(struct servlistener *);
const char* plugin_name;
} GWAUTHENTICATOR;
/** Return values for extract and authenticate entry points */