修改mysql远程root密码



#ifdef _WIN32

#define snprintf _snprintf

#endif

bool ChangeRemoteRootPwd(const char* szHost,const char* szRoot,

const char* szRootPwd,const char* szDb,

const char* szUser,const char* szPwd)

{

MYSQL mysql;

mysql_init(&mysql);

if (!mysql_real_connect(&mysql,szHost,szRoot,szRootPwd,szDb,0,NULL,0))

{

printf("%s\n",mysql_error(&mysql));

mysql_close(&mysql);

return false;

}

char szSql[512] = {0};

/*

snprintf(szSql,sizeof(szSql)-1,"call pr_change_user(\‘%s\‘)",szPwd);

if (mysql_query(&mysql,szSql) != 0)

{

printf("%s\n",mysql_error(&mysql));

mysql_close(&mysql);

return false;

}

*/

snprintf(szSql,sizeof(szSql)-1,"update mysql.user set password=PASSWORD(\‘%s\‘) where user = \‘root\‘ and host = \‘%%\‘",szPwd);

if (mysql_query(&mysql,szSql) != 0)

{

printf("%s\n",mysql_error(&mysql));

mysql_close(&mysql);

return false;

}

strcpy(szSql,"flush privileges");

if (mysql_query(&mysql,szSql) != 0)

{

printf("%s\n",mysql_error(&mysql));

mysql_close(&mysql);

return false;

}

mysql_close(&mysql);

return true;

}