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dcb.b:dcb_final_free:replaced ((dcb->flags & DCBF_CLONE)==0) with macro !DCB_IS_CLONE(dcb)

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readwritesplit.h:Removed invalid macros which assumed that ROUTER_CLIENT_SES->rses_backend_ref always pointed to valid and used backend reference and thus included potential risk of NULL-pointer refernce.
mysql_backend.c and mysql_client.c:avoid executing CHK_PROTOCOL(p) after original DCB has been released the memory.
readwritesplit.c:Replaced RSES_CLEINT_DCB macro with a function which returns client DCB for a given router client session.
This commit is contained in:
VilhoRaatikka
2014-12-23 16:10:27 +02:00
parent d2281d6391
commit ff5fe23ce6
7 changed files with 39 additions and 52 deletions
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server/modules/include/mysql_client_server_protocol.h
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@ -303,11 +303,9 @@ typedef struct {
#endif /** _MYSQL_PROTOCOL_H */
void gw_mysql_close(MySQLProtocol **ptr);
MySQLProtocol* mysql_protocol_init(DCB* dcb, int fd);
void mysql_protocol_done (DCB* dcb);
MySQLProtocol *gw_mysql_init(MySQLProtocol *data);
void gw_mysql_close(MySQLProtocol **ptr);
int gw_receive_backend_auth(MySQLProtocol *protocol);
int gw_decode_mysql_server_handshake(MySQLProtocol *protocol, uint8_t *payload);
int gw_read_backend_handshake(MySQLProtocol *protocol);