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MXS-2479 Accept additional messages in PAM authenticator

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Plugins may send additional messages during authentication. These messages
often contain notifications such as password expiration dates. Both the client
and backend side authenticators now handle such messages. The messages are not
sent to the user, only the log. The requirement that only "Password: " is queried
still stands.
This commit is contained in:
Esa Korhonen
2019-05-20 11:27:55 +03:00
parent 8317fec745
commit bd8aa64547
4 changed files with 178 additions and 89 deletions
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3
server/modules/authenticator/PAM/pam_auth_common.hh
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@ -21,7 +21,6 @@
extern const std::string DIALOG;
extern const std::string PASSWORD;
extern const int DIALOG_SIZE;
extern const char GENERAL_ERRMSG[];
/** PAM authentication states */
enum pam_auth_state
@ -33,7 +32,7 @@ enum pam_auth_state
};
/* Magic numbers from server source
* https://github.com/MariaDB/server/blob/10.2/plugin/auth_pam/auth_pam.c */
* https://github.com/MariaDB/server/blob/10.2/plugin/auth_pam/auth_pam.c */
enum dialog_plugin_msg_types
{
DIALOG_ECHO_ENABLED = 2,