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Bug #12998841: libmysql divulges plaintext password upon request in 5.5

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1. Clear text password client plugin disabled by default.
2. Added an environment variable LIBMYSQL_ENABLE_CLEARTEXT_PLUGIN, that
when set to something starting with '1', 'Y' or 'y' will enable the clear
text
plugin for all connections.
3. Added a new mysql_options() option : MYSQL_ENABLE_CLEARTEXT_PLUGIN
that takes an my_bool argument. When the value of the argument is non-zero
the clear text plugin is enabled for this connection only.
4. Added an enable-cleartext-plugin config file option that takes a numeric

argument. If the numeric value of the numeric argument is non-zero the
clear
text plugin is enabled for the connection
5. Added a boolean command line option "--enable_cleartext_plugin" to
mysql, mysqlslap and mysqladmin. When specified it will call mysql_options
with the effect of #3
6. Added a new CLEARTEXT option to the connect command in mysqltest.
When specified it will enable the cleartext plugin for usage.
7. Added test cases and updated existing ones that need the clear text
plugin.
This commit is contained in:
Georgi Kodinov
2012-07-05 09:55:20 +03:00
parent e6f0b97b50
commit 31a9208bd0
11 changed files with 119 additions and 14 deletions
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13
client/mysql.cc
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@ -148,6 +148,8 @@ static my_bool column_types_flag;
static my_bool preserve_comments= 0;
static ulong opt_max_allowed_packet, opt_net_buffer_length;
static uint verbose=0,opt_silent=0,opt_mysql_port=0, opt_local_infile=0;
static uint opt_enable_cleartext_plugin= 0;
static my_bool using_opt_enable_cleartext_plugin= 0;
static uint my_end_arg;
static char * opt_mysql_unix_port=0;
static int connect_flag=CLIENT_INTERACTIVE;
@ -1409,6 +1411,10 @@ static struct my_option my_long_options[] =
&default_charset, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"delimiter", OPT_DELIMITER, "Delimiter to be used.", &delimiter_str,
&delimiter_str, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"enable_cleartext_plugin", OPT_ENABLE_CLEARTEXT_PLUGIN,
"Enable/disable the clear text authentication plugin.",
&opt_enable_cleartext_plugin, &opt_enable_cleartext_plugin,
0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
{"execute", 'e', "Execute command and quit. (Disables --force and history file.)", 0,
0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"vertical", 'E', "Print the output of a query (rows) vertically.",
@ -1636,6 +1642,9 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
case OPT_LOCAL_INFILE:
using_opt_local_infile=1;
break;
case OPT_ENABLE_CLEARTEXT_PLUGIN:
using_opt_enable_cleartext_plugin= TRUE;
break;
case OPT_TEE:
if (argument == disabled_my_option)
{
@ -4321,6 +4330,10 @@ sql_real_connect(char *host,char *database,char *user,char *password,
if (opt_default_auth && *opt_default_auth)
mysql_options(&mysql, MYSQL_DEFAULT_AUTH, opt_default_auth);
if (using_opt_enable_cleartext_plugin)
mysql_options(&mysql, MYSQL_ENABLE_CLEARTEXT_PLUGIN,
(char*) &opt_enable_cleartext_plugin);
if (!mysql_real_connect(&mysql, host, user, password,
database, opt_mysql_port, opt_mysql_unix_port,
connect_flag | CLIENT_MULTI_STATEMENTS))