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MDEV-9835 Valid password is not working after server restart

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On SET PASSWORD if the plugin is mysql_native_password
or mysql_old_password, do reset plugin and auth_str
fields.
This commit is contained in:
Sergei Golubchik
2016-04-18 18:30:42 +02:00
parent 608c0e1c22
commit cc04a9fc0f
3 changed files with 298 additions and 5 deletions
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17
sql/sql_acl.cc
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@ -557,9 +557,8 @@ static void init_check_host(void);
static void rebuild_check_host(void);
static ACL_USER *find_acl_user(const char *host, const char *user,
my_bool exact);
static bool update_user_table(THD *thd, TABLE *table, const char *host,
const char *user, const char *new_password,
uint new_password_len);
static bool update_user_table(THD *, TABLE *, const char *, const char *, const
char *, uint, bool);
static my_bool acl_load(THD *thd, TABLE_LIST *tables);
static my_bool grant_load(THD *thd, TABLE_LIST *tables);
static inline void get_grantor(THD *thd, char* grantor);
@ -1912,6 +1911,7 @@ bool change_password(THD *thd, const char *host, const char *user,
bool save_binlog_row_based;
uint new_password_len= (uint) strlen(new_password);
bool result= 1;
bool use_salt= 0;
DBUG_ENTER("change_password");
DBUG_PRINT("enter",("host: '%s' user: '%s' new_password: '%s'",
host,user,new_password));
@ -1967,6 +1967,7 @@ bool change_password(THD *thd, const char *host, const char *user,
acl_user->auth_string.length= new_password_len;
set_user_salt(acl_user, new_password, new_password_len);
set_user_plugin(acl_user, new_password_len);
use_salt= 1;
}
else
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
@ -1975,7 +1976,7 @@ bool change_password(THD *thd, const char *host, const char *user,
if (update_user_table(thd, table,
acl_user->host.hostname ? acl_user->host.hostname : "",
acl_user->user ? acl_user->user : "",
new_password, new_password_len))
new_password, new_password_len, use_salt))
{
mysql_mutex_unlock(&acl_cache->lock); /* purecov: deadcode */
goto end;
@ -2223,7 +2224,8 @@ bool hostname_requires_resolving(const char *hostname)
static bool update_user_table(THD *thd, TABLE *table,
const char *host, const char *user,
const char *new_password, uint new_password_len)
const char *new_password, uint new_password_len,
bool reset_plugin)
{
char user_key[MAX_KEY_LENGTH];
int error;
@ -2246,6 +2248,11 @@ static bool update_user_table(THD *thd, TABLE *table,
}
store_record(table,record[1]);
table->field[2]->store(new_password, new_password_len, system_charset_info);
if (reset_plugin && table->s->fields >= 41)
{
table->field[40]->reset();
table->field[41]->reset();
}
if ((error=table->file->ha_update_row(table->record[1],table->record[0])) &&
error != HA_ERR_RECORD_IS_THE_SAME)
{