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MDEV-4307 Support at least 48 utf8 characters in username in server and PAM

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Extend plugin auth api to support up to 512 bytes in the user names.
Use the API versioning to support old auth plugins too!
This commit is contained in:
Sergei Golubchik
2013-03-26 19:17:26 +01:00
parent 1d46ee77d1
commit 102a7a2a76
11 changed files with 226 additions and 11 deletions
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4
include/mysql/plugin_auth.h
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@@ -27,7 +27,7 @@
#include <mysql/plugin.h>
#define MYSQL_AUTHENTICATION_INTERFACE_VERSION 0x0100
#define MYSQL_AUTHENTICATION_INTERFACE_VERSION 0x0200
#include <mysql/plugin_auth_common.h>
@@ -78,7 +78,7 @@ typedef struct st_mysql_server_auth_info
Not used by the server.
Available through the @@EXTERNAL_USER variable.
*/
char external_user[512];
char external_user[MYSQL_USERNAME_LENGTH+1];
/**
This only affects the "Authentication failed. Password used: %s"

4
include/mysql/plugin_auth.h.pp
View File

@@ -266,8 +266,8 @@ typedef struct st_mysql_server_auth_info
unsigned int user_name_length;
const char *auth_string;
unsigned long auth_string_length;
char authenticated_as[48 +1];
char external_user[512];
char authenticated_as[512 +1];
char external_user[512 +1];
int password_used;
const char *host_or_ip;
unsigned int host_or_ip_length;

2
include/mysql/plugin_auth_common.h
View File

@@ -28,7 +28,7 @@
#define MYSQL_PLUGIN_AUTH_COMMON_INCLUDED
/** the max allowed length for a user name */
#define MYSQL_USERNAME_LENGTH 48
#define MYSQL_USERNAME_LENGTH 512
/**
return values of the plugin authenticate_user() method.