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MXS-862: Move backend authentication from MySQLBackend to MySQLBackendAuth

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The authentication for backend connections is now done in the
MySQLBackendAuth module. This is also the default authentication module
for backend connections created by MySQLBackend.
This commit is contained in:
Markus Makela
2016-09-28 10:20:39 +03:00
parent 35d9b35609
commit 6d057f8152
9 changed files with 671 additions and 416 deletions
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34
server/modules/protocol/mysql_common.c
View File

@ -52,6 +52,8 @@
#include <netinet/tcp.h>
#include <modutil.h>
uint8_t null_client_sha1[MYSQL_SCRAMBLE_LEN] = "";
static server_command_t* server_command_init(server_command_t* srvcmd, mysql_server_cmd_t cmd);
/**
@ -1025,3 +1027,35 @@ bool read_complete_packet(DCB *dcb, GWBUF **readbuf)
return rval;
}
/**
* Copy shared session authentication info
*
* @param dcb A backend DCB
* @param session Destination where authentication data is copied
* @return bool true = success, false = fail
*/
bool gw_get_shared_session_auth_info(DCB* dcb, MYSQL_session* session)
{
bool rval = true;
CHK_DCB(dcb);
CHK_SESSION(dcb->session);
spinlock_acquire(&dcb->session->ses_lock);
if (dcb->session->state != SESSION_STATE_ALLOC &&
dcb->session->state != SESSION_STATE_DUMMY)
{
memcpy(session, dcb->session->client_dcb->data, sizeof(MYSQL_session));
}
else
{
ss_dassert(false);
MXS_ERROR("%lu [gw_get_shared_session_auth_info] Couldn't get "
"session authentication info. Session in a wrong state %d.",
pthread_self(), dcb->session->state);
rval = false;
}
spinlock_release(&dcb->session->ses_lock);
return rval;
}