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mysqladmin.cc
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/*
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* maintaince of mysql databases */
#include "client_priv.h"
#include "my_default.h"
#include <signal.h>
#include <my_thread.h> /* because of signal() */
#include <sys/stat.h>
#include <mysql.h>
#include <sql_common.h>
#include <welcome_copyright_notice.h> /* ORACLE_WELCOME_COPYRIGHT_NOTICE */
#include <mysqld_error.h> /* to check server error codes */
#include <string> /* std::string */
#define ADMIN_VERSION "8.42"
#define MAX_MYSQL_VAR 512
#define SHUTDOWN_DEF_TIMEOUT 3600 /* Wait for shutdown */
#define MAX_TRUNC_LENGTH 3
char *host= NULL, *user= 0, *opt_password= 0,
*default_charset= (char*) MYSQL_AUTODETECT_CHARSET_NAME;
char truncated_var_names[MAX_MYSQL_VAR][MAX_TRUNC_LENGTH];
char ex_var_names[MAX_MYSQL_VAR][FN_REFLEN];
ulonglong last_values[MAX_MYSQL_VAR];
static int interval=0;
static my_bool option_force=0,interrupted=0,new_line=0,
opt_compress=0, opt_relative=0, opt_verbose=0, opt_vertical=0,
tty_password= 0, opt_nobeep, opt_secure_auth= TRUE;
static my_bool debug_info_flag= 0, debug_check_flag= 0;
static uint tcp_port = 0, option_wait = 0, option_silent=0, nr_iterations;
static uint opt_count_iterations= 0, my_end_arg;
static char *opt_bind_addr = NULL;
static ulong opt_connect_timeout, opt_shutdown_timeout;
static char * unix_port=0;
static char *opt_plugin_dir= 0, *opt_default_auth= 0;
static uint opt_enable_cleartext_plugin= 0;
static my_bool using_opt_enable_cleartext_plugin= 0;
static my_bool opt_show_warnings= 0;
#if defined (_WIN32) && !defined (EMBEDDED_LIBRARY)
static char *shared_memory_base_name=0;
#endif
static uint opt_protocol=0;
static myf error_flags; /* flags to pass to my_printf_error, like ME_BELL */
/*
When using extended-status relatively, ex_val_max_len is the estimated
maximum length for any relative value printed by extended-status. The
idea is to try to keep the length of output as short as possible.
*/
static uint ex_val_max_len[MAX_MYSQL_VAR];
static my_bool ex_status_printed = 0; /* First output is not relative. */
static uint ex_var_count, max_var_length, max_val_length;
#include <sslopt-vars.h>
#include <caching_sha2_passwordopt-vars.h>
static void print_version(void);
static void usage(void);
extern "C" my_bool get_one_option(int optid, const struct my_option *opt,
char *argument);
static my_bool sql_connect(MYSQL *mysql, uint wait);
static int execute_commands(MYSQL *mysql,int argc, char **argv);
static char **mask_password(int argc, char ***argv);
static int drop_db(MYSQL *mysql,const char *db);
extern "C" void endprog(int signal_number);
static void nice_time(ulong sec,char *buff);
static void print_header(MYSQL_RES *result);
static void print_top(MYSQL_RES *result);
static void print_row(MYSQL_RES *result,MYSQL_ROW cur, uint row);
static void print_relative_row(MYSQL_RES *result, MYSQL_ROW cur, uint row);
static void print_relative_row_vert(MYSQL_RES *result, MYSQL_ROW cur, uint row);
static void print_relative_header();
static void print_relative_line();
static void truncate_names();
static my_bool get_pidfile(MYSQL *mysql, char *pidfile);
static my_bool wait_pidfile(char *pidfile, time_t last_modified,
struct stat *pidfile_status);
static void store_values(MYSQL_RES *result);
static void print_warnings(MYSQL *mysql);
/*
The order of commands must be the same as command_names,
except ADMIN_ERROR
*/
enum commands {
ADMIN_ERROR,
ADMIN_CREATE, ADMIN_DROP, ADMIN_SHUTDOWN,
ADMIN_RELOAD, ADMIN_REFRESH, ADMIN_VER,
ADMIN_PROCESSLIST, ADMIN_STATUS, ADMIN_KILL,
ADMIN_DEBUG, ADMIN_VARIABLES, ADMIN_FLUSH_LOGS,
ADMIN_FLUSH_HOSTS, ADMIN_FLUSH_TABLES, ADMIN_PASSWORD,
ADMIN_PING, ADMIN_EXTENDED_STATUS, ADMIN_FLUSH_STATUS,
ADMIN_FLUSH_PRIVILEGES, ADMIN_START_SLAVE, ADMIN_STOP_SLAVE,
ADMIN_FLUSH_THREADS
};
static const char *command_names[]= {
"create", "drop", "shutdown",
"reload", "refresh", "version",
"processlist", "status", "kill",
"debug", "variables", "flush-logs",
"flush-hosts", "flush-tables", "password",
"ping", "extended-status", "flush-status",
"flush-privileges", "start-slave", "stop-slave",
"flush-threads",
NullS
};
static TYPELIB command_typelib=
{ array_elements(command_names)-1,"commands", command_names, NULL};
static struct my_option my_long_options[] =
{
{"bind-address", 0, "IP address to bind to.",
(uchar**) &opt_bind_addr, (uchar**) &opt_bind_addr, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"count", 'c',
"Number of iterations to make. This works with -i (--sleep) only.",
&nr_iterations, &nr_iterations, 0, GET_UINT,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#ifdef DBUG_OFF
{"debug", '#', "This is a non-debug version. Catch this and exit.",
0, 0, 0, GET_DISABLED, OPT_ARG, 0, 0, 0, 0, 0, 0},
{"debug-check", OPT_DEBUG_CHECK, "This is a non-debug version. Catch this and exit.",
0, 0, 0,
GET_DISABLED, NO_ARG, 0, 0, 0, 0, 0, 0},
{"debug-info", OPT_DEBUG_INFO, "This is a non-debug version. Catch this and exit.", 0,
0, 0, GET_DISABLED, NO_ARG, 0, 0, 0, 0, 0, 0},
#else
{"debug", '#', "Output debug log. Often this is 'd:t:o,filename'.",
0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
{"debug-check", OPT_DEBUG_CHECK, "Check memory and open file usage at exit.",
&debug_check_flag, &debug_check_flag, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"debug-info", OPT_DEBUG_INFO, "Print some debug info at exit.",
&debug_info_flag, &debug_info_flag,
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"force", 'f',
"Don't ask for confirmation on drop database; with multiple commands, "
"continue even if an error occurs.",
&option_force, &option_force, 0, GET_BOOL, NO_ARG, 0, 0,
0, 0, 0, 0},
{"compress", 'C', "Use compression in server/client protocol.",
&opt_compress, &opt_compress, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},
{"character-sets-dir", OPT_CHARSETS_DIR,
"Directory for character set files.", &charsets_dir,
&charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"default-character-set", OPT_DEFAULT_CHARSET,
"Set the default character set.", &default_charset,
&default_charset, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"help", '?', "Display this help and exit.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"host", 'h', "Connect to host.", &host, &host, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"no-beep", 'b', "Turn off beep on error.", &opt_nobeep,
&opt_nobeep, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"password", 'p',
"Password to use when connecting to server. If password is not given it's asked from the tty.",
0, 0, 0, GET_PASSWORD, OPT_ARG, 0, 0, 0, 0, 0, 0},
#ifdef _WIN32
{"pipe", 'W', "Use named pipes to connect to server.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"port", 'P', "Port number to use for connection or 0 for default to, in "
"order of preference, my.cnf, $MYSQL_TCP_PORT, "
#if MYSQL_PORT_DEFAULT == 0
"/etc/services, "
#endif
"built-in default (" STRINGIFY_ARG(MYSQL_PORT) ").",
&tcp_port, &tcp_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"protocol", OPT_MYSQL_PROTOCOL, "The protocol to use for connection (tcp, socket, pipe, memory).",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"relative", 'r',
"Show difference between current and previous values when used with -i. "
"Currently only works with extended-status.",
&opt_relative, &opt_relative, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},
{"secure-auth", OPT_SECURE_AUTH, "Refuse client connecting to server if it"
" uses old (pre-4.1.1) protocol. Deprecated. Always TRUE",
&opt_secure_auth, &opt_secure_auth, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
#if defined (_WIN32) && !defined (EMBEDDED_LIBRARY)
{"shared-memory-base-name", OPT_SHARED_MEMORY_BASE_NAME,
"Base name of shared memory.", &shared_memory_base_name, &shared_memory_base_name,
0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"silent", 's', "Silently exit if one can't connect to server.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"socket", 'S', "The socket file to use for connection.",
&unix_port, &unix_port, 0, GET_STR, REQUIRED_ARG, 0, 0, 0,
0, 0, 0},
{"sleep", 'i', "Execute commands repeatedly with a sleep between.",
&interval, &interval, 0, GET_INT, REQUIRED_ARG, 0, 0, 0, 0,
0, 0},
#include <sslopt-longopts.h>
#include <caching_sha2_passwordopt-longopts.h>
{"user", 'u', "User for login if not current user.", &user,
&user, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"verbose", 'v', "Write more information.", &opt_verbose,
&opt_verbose, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"version", 'V', "Output version information and exit.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"vertical", 'E',
"Print output vertically. Is similar to --relative, but prints output vertically.",
&opt_vertical, &opt_vertical, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},
{"wait", 'w', "Wait and retry if connection is down.", 0, 0, 0, GET_UINT,
OPT_ARG, 0, 0, 0, 0, 0, 0},
{"connect_timeout", OPT_CONNECT_TIMEOUT, "", &opt_connect_timeout,
&opt_connect_timeout, 0, GET_ULONG, REQUIRED_ARG, 3600*12, 0,
3600*12, 0, 1, 0},
{"shutdown_timeout", OPT_SHUTDOWN_TIMEOUT, "", &opt_shutdown_timeout,
&opt_shutdown_timeout, 0, GET_ULONG, REQUIRED_ARG,
SHUTDOWN_DEF_TIMEOUT, 0, 3600*12, 0, 1, 0},
{"plugin_dir", OPT_PLUGIN_DIR, "Directory for client-side plugins.",
&opt_plugin_dir, &opt_plugin_dir, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"default_auth", OPT_DEFAULT_AUTH,
"Default authentication client-side plugin to use.",
&opt_default_auth, &opt_default_auth, 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},
{"show_warnings", OPT_SHOW_WARNINGS,
"Show warnings after execution",
&opt_show_warnings, &opt_show_warnings,
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{ 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
static const char *load_default_groups[]= { "mysqladmin","client",0 };
my_bool
get_one_option(int optid, const struct my_option *opt MY_ATTRIBUTE((unused)),
char *argument)
{
int error = 0;
switch(optid) {
case 'c':
opt_count_iterations= 1;
break;
case 'p':
if (argument == disabled_my_option)
argument= (char*) ""; // Don't require password
if (argument)
{
char *start=argument;
my_free(opt_password);
opt_password=my_strdup(PSI_NOT_INSTRUMENTED,
argument,MYF(MY_FAE));
while (*argument) *argument++= 'x'; /* Destroy argument */
if (*start)
start[1]=0; /* Cut length of argument */
tty_password= 0;
}
else
tty_password=1;
break;
case 's':
option_silent++;
break;
case 'W':
#ifdef _WIN32
opt_protocol = MYSQL_PROTOCOL_PIPE;
#endif
break;
case '#':
DBUG_PUSH(argument ? argument : "d:t:o,/tmp/mysqladmin.trace");
break;
#include <sslopt-case.h>
case 'V':
print_version();
exit(0);
break;
case 'w':
if (argument)
{
if ((option_wait=atoi(argument)) <= 0)
option_wait=1;
}
else
option_wait= ~(uint)0;
break;
case '?':
case 'I': /* Info */
error++;
break;
case OPT_CHARSETS_DIR:
charsets_dir = argument;
break;
case OPT_MYSQL_PROTOCOL:
opt_protocol= find_type_or_exit(argument, &sql_protocol_typelib,
opt->name);
break;
case OPT_ENABLE_CLEARTEXT_PLUGIN:
using_opt_enable_cleartext_plugin= TRUE;
break;
case OPT_SECURE_AUTH:
/* --secure-auth is a zombie option. */
if (!opt_secure_auth)
{
fprintf(stderr, "mysqladmin: [ERROR] --skip-secure-auth is not supported.\n");
exit(1);
}
else
CLIENT_WARN_DEPRECATED_NO_REPLACEMENT("--secure-auth");
break;
}
if (error)
{
usage();
exit(1);
}
return 0;
}
int main(int argc,char *argv[])
{
int error= 0, ho_error, temp_argc;
int first_command;
my_bool can_handle_passwords;
MYSQL mysql;
char **commands, **save_argv, **temp_argv;
MY_INIT(argv[0]);
mysql_init(&mysql);
my_getopt_use_args_separator= TRUE;
if (load_defaults("my",load_default_groups,&argc,&argv))
exit(1);
my_getopt_use_args_separator= FALSE;
save_argv = argv; /* Save for free_defaults */
if ((ho_error=handle_options(&argc, &argv, my_long_options, get_one_option)))
{
free_defaults(save_argv);
exit(ho_error);
}
if (debug_info_flag)
my_end_arg= MY_CHECK_ERROR | MY_GIVE_INFO;
if (debug_check_flag)
my_end_arg= MY_CHECK_ERROR;
if (argc == 0)
{
usage();
exit(1);
}
temp_argv= mask_password(argc, &argv);
temp_argc= argc;
commands = temp_argv;
if (tty_password)
opt_password = get_tty_password(NullS);
(void) signal(SIGINT,endprog); /* Here if abort */
(void) signal(SIGTERM,endprog); /* Here if abort */
if (opt_bind_addr)
mysql_options(&mysql,MYSQL_OPT_BIND,opt_bind_addr);
if (opt_compress)
mysql_options(&mysql,MYSQL_OPT_COMPRESS,NullS);
if (opt_connect_timeout)
{
uint tmp=opt_connect_timeout;
mysql_options(&mysql,MYSQL_OPT_CONNECT_TIMEOUT, (char*) &tmp);
}
SSL_SET_OPTIONS(&mysql);
if (opt_protocol)
mysql_options(&mysql,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
#if defined (_WIN32) && !defined (EMBEDDED_LIBRARY)
if (shared_memory_base_name)
mysql_options(&mysql,MYSQL_SHARED_MEMORY_BASE_NAME,shared_memory_base_name);
#endif
mysql_options(&mysql, MYSQL_SET_CHARSET_NAME, default_charset);
error_flags= (myf)(opt_nobeep ? 0 : ME_BELL);
if (opt_plugin_dir && *opt_plugin_dir)
mysql_options(&mysql, MYSQL_PLUGIN_DIR, opt_plugin_dir);
if (opt_default_auth && *opt_default_auth)
mysql_options(&mysql, MYSQL_DEFAULT_AUTH, opt_default_auth);
mysql_options(&mysql, MYSQL_OPT_CONNECT_ATTR_RESET, 0);
mysql_options4(&mysql, MYSQL_OPT_CONNECT_ATTR_ADD,
"program_name", "mysqladmin");
if (using_opt_enable_cleartext_plugin)
mysql_options(&mysql, MYSQL_ENABLE_CLEARTEXT_PLUGIN,
(char*) &opt_enable_cleartext_plugin);
first_command= find_type(argv[0], &command_typelib, FIND_TYPE_BASIC);
can_handle_passwords= first_command == ADMIN_PASSWORD ?
TRUE : FALSE;
mysql_options(&mysql, MYSQL_OPT_CAN_HANDLE_EXPIRED_PASSWORDS,
&can_handle_passwords);
set_server_public_key(&mysql);
set_get_server_public_key_option(&mysql);
if (sql_connect(&mysql, option_wait))
{
/*
We couldn't get an initial connection and will definitely exit.
The following just determines the exit-code we'll give.
*/
unsigned int err= mysql_errno(&mysql);
if (err >= CR_MIN_ERROR && err <= CR_MAX_ERROR)
error= 1;
else
{
/* Return 0 if all commands are PING */
for (; argc > 0; argv++, argc--)
{
if (find_type(argv[0], &command_typelib, FIND_TYPE_BASIC) !=
ADMIN_PING)
{
error= 1;
break;
}
}
}
}
else
{
/*
--count=0 aborts right here. Otherwise iff --sleep=t ("interval")
is given a t!=0, we get an endless loop, or n iterations if --count=n
was given an n!=0. If --sleep wasn't given, we get one iteration.
To wit, --wait loops the connection-attempts, while --sleep loops
the command execution (endlessly if no --count is given).
*/
while (!interrupted && (!opt_count_iterations || nr_iterations))
{
new_line = 0;
if ((error= execute_commands(&mysql,argc,commands)))
{
/*
Unknown/malformed command always aborts and can't be --forced.
If the user got confused about the syntax, proceeding would be
dangerous ...
*/
if (error > 0)
break;
/*
Command was well-formed, but failed on the server. Might succeed
on retry (if conditions on server change etc.), but needs --force
to retry.
*/
if (!option_force)
break;
} /* if((error= ... */
if (interval) /* --sleep=interval given */
{
if (opt_count_iterations && --nr_iterations == 0)
break;
/*
If connection was dropped (unintentionally, or due to SHUTDOWN),
re-establish it if --wait ("retry-connect") was given and user
didn't signal for us to die. Otherwise, signal failure.
*/
if (mysql.net.vio == 0)
{
if (option_wait && !interrupted)
{
sleep(1);
sql_connect(&mysql, option_wait);
/*
continue normally and decrease counters so that
"mysqladmin --count=1 --wait=1 shutdown"
cannot loop endlessly.
*/
}
else
{
/*
connexion broke, and we have no order to re-establish it. fail.
*/
if (!option_force)
error= 1;
break;
}
} /* lost connection */
sleep(interval);
if (new_line)
puts("");
}
else
break; /* no --sleep, done looping */
} /* command-loop */
} /* got connection */
mysql_close(&mysql);
my_free(opt_password);
my_free(user);
#if defined (_WIN32) && !defined (EMBEDDED_LIBRARY)
my_free(shared_memory_base_name);
#endif
free_defaults(save_argv);
temp_argc--;
while(temp_argc >= 0)
{
my_free(temp_argv[temp_argc]);
temp_argc--;
}
my_free(temp_argv);
my_end(my_end_arg);
exit(error ? 1 : 0);
return 0;
}
void endprog(int signal_number MY_ATTRIBUTE((unused)))
{
interrupted=1;
}
/**
@brief connect to server, optionally waiting for same to come up
@param mysql connection struct
@param wait wait for server to come up?
(0: no, ~0: forever, n: cycles)
@return Operation result
@retval 0 success
@retval 1 failure
*/
static my_bool sql_connect(MYSQL *mysql, uint wait)
{
my_bool info=0;
for (;;)
{
if (mysql_real_connect(mysql,host,user,opt_password,NullS,tcp_port,
unix_port, CLIENT_REMEMBER_OPTIONS))
{
mysql->reconnect= 1;
if (info)
{
fputs("\n",stderr);
(void) fflush(stderr);
}
return 0;
}
if (!wait) // was or reached 0, fail
{
if (!option_silent) // print diagnostics
{
if (!host)
host= (char*) LOCAL_HOST;
my_printf_error(0,"connect to server at '%s' failed\nerror: '%s'",
error_flags, host, mysql_error(mysql));
if (mysql_errno(mysql) == CR_CONNECTION_ERROR)
{
fprintf(stderr,
"Check that mysqld is running and that the socket: '%s' exists!\n",
unix_port ? unix_port : mysql_unix_port);
}
else if (mysql_errno(mysql) == CR_CONN_HOST_ERROR ||
mysql_errno(mysql) == CR_UNKNOWN_HOST)
{
fprintf(stderr,"Check that mysqld is running on %s",host);
fprintf(stderr," and that the port is %d.\n",
tcp_port ? tcp_port: mysql_port);
fprintf(stderr,"You can check this by doing 'telnet %s %d'\n",
host, tcp_port ? tcp_port: mysql_port);
}
}
return 1;
}
if (wait != (uint) ~0)
wait--; /* count down, one less retry */
if ((mysql_errno(mysql) != CR_CONN_HOST_ERROR) &&
(mysql_errno(mysql) != CR_CONNECTION_ERROR))
{
/*
Error is worse than "server doesn't answer (yet?)";
fail even if we still have "wait-coins" unless --force
was also given.
*/
fprintf(stderr,"Got error: %s\n", mysql_error(mysql));
if (!option_force)
return 1;
}
else if (!option_silent)
{
if (!info)
{
info=1;
fputs("Waiting for MySQL server to answer",stderr);
(void) fflush(stderr);
}
else
{
putc('.',stderr);
(void) fflush(stderr);
}
}
sleep(5);
}
}
/**
@brief Execute all commands
@details We try to execute all commands we were given, in the order
given, but return with non-zero as soon as we encounter trouble.
By that token, individual commands can be considered a conjunction
with boolean short-cut.
@return success?
@retval 0 Yes! ALL commands worked!
@retval 1 No, one failed and will never work (malformed): fatal error!
@retval -1 No, one failed on the server, may work next time!
*/
static int execute_commands(MYSQL *mysql,int argc, char **argv)
{
const char *status;
/*
MySQL documentation relies on the fact that mysqladmin will
execute commands in the order specified, e.g.
mysqladmin -u root flush-privileges password "newpassword"
to reset a lost root password.
If this behaviour is ever changed, Docs should be notified.
*/
struct rand_struct rand_st;
for (; argc > 0 ; argv++,argc--)
{
int option;
bool log_warnings= true;
switch (option= find_type(argv[0], &command_typelib, FIND_TYPE_BASIC)) {
case ADMIN_CREATE:
{
char buff[FN_REFLEN+20];
if (argc < 2)
{
my_printf_error(0, "Too few arguments to create", error_flags);
return 1;
}
sprintf(buff,"create database `%.*s`",FN_REFLEN,argv[1]);
if (mysql_query(mysql,buff))
{
my_printf_error(0,"CREATE DATABASE failed; error: '%-.200s'",
error_flags, mysql_error(mysql));
return -1;
}
argc--; argv++;
break;
}
case ADMIN_DROP:
{
if (argc < 2)
{
my_printf_error(0, "Too few arguments to drop", error_flags);
return 1;
}
if (drop_db(mysql,argv[1]))
return -1;
argc--; argv++;
break;
}
case ADMIN_SHUTDOWN:
{
char pidfile[FN_REFLEN];
my_bool got_pidfile= 0;
time_t last_modified= 0;
struct stat pidfile_status;
/*
Only wait for pidfile on local connections
If pidfile doesn't exist, continue without pid file checking
*/
if (mysql->unix_socket && (got_pidfile= !get_pidfile(mysql, pidfile)) &&
!stat(pidfile, &pidfile_status))
last_modified= pidfile_status.st_mtime;
/* Issue COM_SHUTDOWN if server version is older then 5.7*/
int resShutdown= 1;
if(mysql_get_server_version(mysql) < 50709)
resShutdown= mysql_shutdown(mysql, SHUTDOWN_DEFAULT);
else
resShutdown= mysql_query(mysql, "shutdown");
if(resShutdown)
{
my_printf_error(0, "shutdown failed; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
argc=1; /* force SHUTDOWN to be the last command */
if (got_pidfile)
{
if (opt_verbose)
printf("Shutdown signal sent to server; Waiting for pid file to disappear\n");
/* Wait until pid file is gone */
if (wait_pidfile(pidfile, last_modified, &pidfile_status))
return -1;
}
/* Do not try to print warning as server has gone away */
log_warnings= false;
break;
}
case ADMIN_FLUSH_PRIVILEGES:
case ADMIN_RELOAD:
if (mysql_query(mysql,"flush privileges"))
{
my_printf_error(0, "reload failed; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
break;
case ADMIN_REFRESH:
if (mysql_refresh(mysql,
(uint) ~(REFRESH_GRANT | REFRESH_STATUS |
REFRESH_READ_LOCK | REFRESH_SLAVE |
REFRESH_MASTER)))
{
my_printf_error(0, "refresh failed; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
break;
case ADMIN_FLUSH_THREADS:
if (mysql_refresh(mysql,(uint) REFRESH_THREADS))
{
my_printf_error(0, "refresh failed; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
break;
case ADMIN_VER:
new_line=1;
print_version();
puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
printf("Server version\t\t%s\n", mysql_get_server_info(mysql));
printf("Protocol version\t%d\n", mysql_get_proto_info(mysql));
printf("Connection\t\t%s\n",mysql_get_host_info(mysql));
if (mysql->unix_socket)
printf("UNIX socket\t\t%s\n", mysql->unix_socket);
else
printf("TCP port\t\t%d\n", mysql->port);
status=mysql_stat(mysql);
{
char *pos,buff[40];
ulong sec;
pos= (char*) strchr(status,' ');
*pos++=0;
printf("%s\t\t\t",status); /* print label */
if ((status=str2int(pos,10,0,LONG_MAX,(long*) &sec)))
{
nice_time(sec,buff);
puts(buff); /* print nice time */
while (*status == ' ') status++; /* to next info */
}
}
putc('\n',stdout);
if (status)
puts(status);
break;
case ADMIN_PROCESSLIST:
{
MYSQL_RES *result;
MYSQL_ROW row;
if (mysql_query(mysql, (opt_verbose ? "show full processlist" :
"show processlist")) ||
!(result = mysql_store_result(mysql)))
{
my_printf_error(0, "process list failed; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
print_header(result);
while ((row=mysql_fetch_row(result)))
print_row(result,row,0);
print_top(result);
mysql_free_result(result);
new_line=1;
break;
}
case ADMIN_STATUS:
status=mysql_stat(mysql);
if (status)
puts(status);
break;
case ADMIN_KILL:
{
uint error=0;
char *pos;
if (argc < 2)
{
my_printf_error(0, "Too few arguments to 'kill'", error_flags);
return 1;
}
pos=argv[1];
for (;;)
{
/* We don't use mysql_kill(), since it only handles 32-bit IDs. */
char buff[26], *out; /* "KILL " + max 20 digs + NUL */
out= strxmov(buff, "KILL ", NullS);
ullstr(my_strtoull(pos, NULL, 0), out);
if (mysql_query(mysql, buff))
{
/* out still points to just the number */
my_printf_error(0, "kill failed on %s; error: '%s'", error_flags,
out, mysql_error(mysql));
error=1;
}
if (!(pos=strchr(pos,',')))
break;
pos++;
}
argc--; argv++;
if (error)
return -1;
break;
}
case ADMIN_DEBUG:
if (mysql_dump_debug_info(mysql))
{
my_printf_error(0, "debug failed; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
break;
case ADMIN_VARIABLES:
{
MYSQL_RES *res;
MYSQL_ROW row;
new_line=1;
if (mysql_query(mysql,"show /*!40003 GLOBAL */ variables") ||
!(res=mysql_store_result(mysql)))
{
my_printf_error(0, "unable to show variables; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
print_header(res);
while ((row=mysql_fetch_row(res)))
print_row(res,row,0);
print_top(res);
mysql_free_result(res);
break;
}
case ADMIN_EXTENDED_STATUS:
{
MYSQL_RES *res;
MYSQL_ROW row;
uint rownr = 0;
void (*func) (MYSQL_RES*, MYSQL_ROW, uint);
new_line = 1;
if (mysql_query(mysql, "show /*!50002 GLOBAL */ status") ||
!(res = mysql_store_result(mysql)))
{
my_printf_error(0, "unable to show status; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
DBUG_ASSERT(mysql_num_rows(res) < MAX_MYSQL_VAR);
if (!opt_vertical)
print_header(res);
else
{
if (!ex_status_printed)
{
store_values(res);
truncate_names(); /* Does some printing also */
}
else
{
print_relative_line();
print_relative_header();
print_relative_line();
}
}
/* void (*func) (MYSQL_RES*, MYSQL_ROW, uint); */
if (opt_relative && !opt_vertical)
func = print_relative_row;
else if (opt_vertical)
func = print_relative_row_vert;
else
func = print_row;
while ((row = mysql_fetch_row(res)))
(*func)(res, row, rownr++);
if (opt_vertical)
{
if (ex_status_printed)
{
putchar('\n');
print_relative_line();
}
}
else
print_top(res);
ex_status_printed = 1; /* From now on the output will be relative */
mysql_free_result(res);
break;
}
case ADMIN_FLUSH_LOGS:
{
std::string command;
if (argc > 1)
{
bool first_arg= true;
for (command= "FLUSH "; argc > 1; argc--, argv++)
{
if (!first_arg)
command+= ",";
if (!my_strcasecmp(&my_charset_latin1, argv[1], "binary"))
command+= " BINARY LOGS";
else if (!my_strcasecmp(&my_charset_latin1, argv[1], "engine"))
command+= " ENGINE LOGS";
else if (!my_strcasecmp(&my_charset_latin1, argv[1], "error"))
command+= " ERROR LOGS";
else if (!my_strcasecmp(&my_charset_latin1, argv[1], "general"))
command+= " GENERAL LOGS";
else if (!my_strcasecmp(&my_charset_latin1, argv[1], "relay"))
command+= " RELAY LOGS";
else if (!my_strcasecmp(&my_charset_latin1, argv[1], "slow"))
command+= " SLOW LOGS";
else
{
/*
Not a valid log type, assume it's the next command.
Remove the trailing comma if any of the log types is specified
or flush all if no specific log type is specified.
*/
if (!first_arg)
command.resize(command.size() - 1);
else
command= "FLUSH LOGS";
break;
}
if (first_arg)
first_arg= false;
}
}
else
command= "FLUSH LOGS";
if (mysql_query(mysql, command.c_str()))
{
my_printf_error(0, "refresh failed; error: '%s'", error_flags,
mysql_error(mysql));
return -1;
}
break;
}