diff options
Diffstat (limited to 'src/mysql/mysql_com.h')
| -rw-r--r-- | src/mysql/mysql_com.h | 896 |
1 files changed, 452 insertions, 444 deletions
diff --git a/src/mysql/mysql_com.h b/src/mysql/mysql_com.h index 02a95d699..ec1c13379 100644 --- a/src/mysql/mysql_com.h +++ b/src/mysql/mysql_com.h @@ -1,444 +1,452 @@ -/* Copyright (C) 2000 MySQL AB
-
- 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; either version 2 of the License, or
- (at your option) any later version.
-
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-
-/*
-** Common definition between mysql server & client
-*/
-
-#ifndef _mysql_com_h
-#define _mysql_com_h
-
-#define NAME_LEN 64 /* Field/table name length */
-#define HOSTNAME_LENGTH 60
-#define USERNAME_LENGTH 16
-#define SERVER_VERSION_LENGTH 60
-#define SQLSTATE_LENGTH 5
-
-#define LOCAL_HOST "localhost"
-#define LOCAL_HOST_NAMEDPIPE "."
-
-
-#if defined(__WIN__) && !defined( _CUSTOMCONFIG_)
-#define MYSQL_NAMEDPIPE "MySQL"
-#define MYSQL_SERVICENAME "MySQL"
-#endif /* __WIN__ */
-
-/*
- You should add new commands to the end of this list, otherwise old
- servers won't be able to handle them as 'unsupported'.
-*/
-
-enum enum_server_command
-{
- COM_SLEEP, COM_QUIT, COM_INIT_DB, COM_QUERY, COM_FIELD_LIST,
- COM_CREATE_DB, COM_DROP_DB, COM_REFRESH, COM_SHUTDOWN, COM_STATISTICS,
- COM_PROCESS_INFO, COM_CONNECT, COM_PROCESS_KILL, COM_DEBUG, COM_PING,
- COM_TIME, COM_DELAYED_INSERT, COM_CHANGE_USER, COM_BINLOG_DUMP,
- COM_TABLE_DUMP, COM_CONNECT_OUT, COM_REGISTER_SLAVE,
- COM_STMT_PREPARE, COM_STMT_EXECUTE, COM_STMT_SEND_LONG_DATA, COM_STMT_CLOSE,
- COM_STMT_RESET, COM_SET_OPTION, COM_STMT_FETCH,
- /* don't forget to update const char *command_name[] in sql_parse.cc */
-
- /* Must be last */
- COM_END
-};
-
-
-/*
- Length of random string sent by server on handshake; this is also length of
- obfuscated password, recieved from client
-*/
-#define SCRAMBLE_LENGTH 20
-#define SCRAMBLE_LENGTH_323 8
-/* length of password stored in the db: new passwords are preceeded with '*' */
-#define SCRAMBLED_PASSWORD_CHAR_LENGTH (SCRAMBLE_LENGTH*2+1)
-#define SCRAMBLED_PASSWORD_CHAR_LENGTH_323 (SCRAMBLE_LENGTH_323*2)
-
-
-#define NOT_NULL_FLAG 1 /* Field can't be NULL */
-#define PRI_KEY_FLAG 2 /* Field is part of a primary key */
-#define UNIQUE_KEY_FLAG 4 /* Field is part of a unique key */
-#define MULTIPLE_KEY_FLAG 8 /* Field is part of a key */
-#define BLOB_FLAG 16 /* Field is a blob */
-#define UNSIGNED_FLAG 32 /* Field is unsigned */
-#define ZEROFILL_FLAG 64 /* Field is zerofill */
-#define BINARY_FLAG 128 /* Field is binary */
-
-/* The following are only sent to new clients */
-#define ENUM_FLAG 256 /* field is an enum */
-#define AUTO_INCREMENT_FLAG 512 /* field is a autoincrement field */
-#define TIMESTAMP_FLAG 1024 /* Field is a timestamp */
-#define SET_FLAG 2048 /* field is a set */
-#define NO_DEFAULT_VALUE_FLAG 4096 /* Field doesn't have default value */
-#define NUM_FLAG 32768 /* Field is num (for clients) */
-#define PART_KEY_FLAG 16384 /* Intern; Part of some key */
-#define GROUP_FLAG 32768 /* Intern: Group field */
-#define UNIQUE_FLAG 65536 /* Intern: Used by sql_yacc */
-#define BINCMP_FLAG 131072 /* Intern: Used by sql_yacc */
-
-#define REFRESH_GRANT 1 /* Refresh grant tables */
-#define REFRESH_LOG 2 /* Start on new log file */
-#define REFRESH_TABLES 4 /* close all tables */
-#define REFRESH_HOSTS 8 /* Flush host cache */
-#define REFRESH_STATUS 16 /* Flush status variables */
-#define REFRESH_THREADS 32 /* Flush thread cache */
-#define REFRESH_SLAVE 64 /* Reset master info and restart slave
- thread */
-#define REFRESH_MASTER 128 /* Remove all bin logs in the index
- and truncate the index */
-
-/* The following can't be set with mysql_refresh() */
-#define REFRESH_READ_LOCK 16384 /* Lock tables for read */
-#define REFRESH_FAST 32768 /* Intern flag */
-
-/* RESET (remove all queries) from query cache */
-#define REFRESH_QUERY_CACHE 65536
-#define REFRESH_QUERY_CACHE_FREE 0x20000L /* pack query cache */
-#define REFRESH_DES_KEY_FILE 0x40000L
-#define REFRESH_USER_RESOURCES 0x80000L
-
-#define CLIENT_LONG_PASSWORD 1 /* new more secure passwords */
-#define CLIENT_FOUND_ROWS 2 /* Found instead of affected rows */
-#define CLIENT_LONG_FLAG 4 /* Get all column flags */
-#define CLIENT_CONNECT_WITH_DB 8 /* One can specify db on connect */
-#define CLIENT_NO_SCHEMA 16 /* Don't allow database.table.column */
-#define CLIENT_COMPRESS 32 /* Can use compression protocol */
-#define CLIENT_ODBC 64 /* Odbc client */
-#define CLIENT_LOCAL_FILES 128 /* Can use LOAD DATA LOCAL */
-#define CLIENT_IGNORE_SPACE 256 /* Ignore spaces before '(' */
-#define CLIENT_PROTOCOL_41 512 /* New 4.1 protocol */
-#define CLIENT_INTERACTIVE 1024 /* This is an interactive client */
-#define CLIENT_SSL 2048 /* Switch to SSL after handshake */
-#define CLIENT_IGNORE_SIGPIPE 4096 /* IGNORE sigpipes */
-#define CLIENT_TRANSACTIONS 8192 /* Client knows about transactions */
-#define CLIENT_RESERVED 16384 /* Old flag for 4.1 protocol */
-#define CLIENT_SECURE_CONNECTION 32768 /* New 4.1 authentication */
-#define CLIENT_MULTI_STATEMENTS 65536 /* Enable/disable multi-stmt support */
-#define CLIENT_MULTI_RESULTS 131072 /* Enable/disable multi-results */
-#define CLIENT_REMEMBER_OPTIONS (((ulong) 1) << 31)
-
-#define SERVER_STATUS_IN_TRANS 1 /* Transaction has started */
-#define SERVER_STATUS_AUTOCOMMIT 2 /* Server in auto_commit mode */
-#define SERVER_STATUS_MORE_RESULTS 4 /* More results on server */
-#define SERVER_MORE_RESULTS_EXISTS 8 /* Multi query - next query exists */
-#define SERVER_QUERY_NO_GOOD_INDEX_USED 16
-#define SERVER_QUERY_NO_INDEX_USED 32
-/*
- The server was able to fulfill the clients request and opened a
- read-only non-scrollable cursor for a query. This flag comes
- in reply to COM_STMT_EXECUTE and COM_STMT_FETCH commands.
-*/
-#define SERVER_STATUS_CURSOR_EXISTS 64
-/*
- This flag is sent when a read-only cursor is exhausted, in reply to
- COM_STMT_FETCH command.
-*/
-#define SERVER_STATUS_LAST_ROW_SENT 128
-#define SERVER_STATUS_DB_DROPPED 256 /* A database was dropped */
-#define SERVER_STATUS_NO_BACKSLASH_ESCAPES 512
-
-#define MYSQL_ERRMSG_SIZE 512
-#define NET_READ_TIMEOUT 30 /* Timeout on read */
-#define NET_WRITE_TIMEOUT 60 /* Timeout on write */
-#define NET_WAIT_TIMEOUT 8*60*60 /* Wait for new query */
-
-#define ONLY_KILL_QUERY 1
-
-struct st_vio; /* Only C */
-typedef struct st_vio Vio;
-
-#define MAX_TINYINT_WIDTH 3 /* Max width for a TINY w.o. sign */
-#define MAX_SMALLINT_WIDTH 5 /* Max width for a SHORT w.o. sign */
-#define MAX_MEDIUMINT_WIDTH 8 /* Max width for a INT24 w.o. sign */
-#define MAX_INT_WIDTH 10 /* Max width for a LONG w.o. sign */
-#define MAX_BIGINT_WIDTH 20 /* Max width for a LONGLONG */
-#define MAX_CHAR_WIDTH 255 /* Max length for a CHAR colum */
-#define MAX_BLOB_WIDTH 8192 /* Default width for blob */
-
-typedef struct st_net {
-#if !defined(CHECK_EMBEDDED_DIFFERENCES) || !defined(EMBEDDED_LIBRARY)
- Vio* vio;
- unsigned char *buff,*buff_end,*write_pos,*read_pos;
- my_socket fd; /* For Perl DBI/dbd */
- unsigned long max_packet,max_packet_size;
- unsigned int pkt_nr,compress_pkt_nr;
- unsigned int write_timeout, read_timeout, retry_count;
- int fcntl;
- my_bool compress;
- /*
- The following variable is set if we are doing several queries in one
- command ( as in LOAD TABLE ... FROM MASTER ),
- and do not want to confuse the client with OK at the wrong time
- */
- unsigned long remain_in_buf,length, buf_length, where_b;
- unsigned int *return_status;
- unsigned char reading_or_writing;
- char save_char;
- my_bool no_send_ok; /* For SPs and other things that do multiple stmts */
- my_bool no_send_eof; /* For SPs' first version read-only cursors */
- /*
- Set if OK packet is already sent, and we do not need to send error
- messages
- */
- my_bool no_send_error;
- /*
- Pointer to query object in query cache, do not equal NULL (0) for
- queries in cache that have not stored its results yet
- */
-#endif
- char last_error[MYSQL_ERRMSG_SIZE], sqlstate[SQLSTATE_LENGTH+1];
- unsigned int last_errno;
- unsigned char error;
- gptr query_cache_query;
- my_bool report_error; /* We should report error (we have unreported error) */
- my_bool return_errno;
-} NET;
-
-#define packet_error (~(unsigned long) 0)
-
-enum enum_field_types { MYSQL_TYPE_DECIMAL, MYSQL_TYPE_TINY,
- MYSQL_TYPE_SHORT, MYSQL_TYPE_LONG,
- MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
- MYSQL_TYPE_NULL, MYSQL_TYPE_TIMESTAMP,
- MYSQL_TYPE_LONGLONG,MYSQL_TYPE_INT24,
- MYSQL_TYPE_DATE, MYSQL_TYPE_TIME,
- MYSQL_TYPE_DATETIME, MYSQL_TYPE_YEAR,
- MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR,
- MYSQL_TYPE_BIT,
- MYSQL_TYPE_NEWDECIMAL=246,
- MYSQL_TYPE_ENUM=247,
- MYSQL_TYPE_SET=248,
- MYSQL_TYPE_TINY_BLOB=249,
- MYSQL_TYPE_MEDIUM_BLOB=250,
- MYSQL_TYPE_LONG_BLOB=251,
- MYSQL_TYPE_BLOB=252,
- MYSQL_TYPE_VAR_STRING=253,
- MYSQL_TYPE_STRING=254,
- MYSQL_TYPE_GEOMETRY=255
-
-};
-
-/* For backward compatibility */
-#define CLIENT_MULTI_QUERIES CLIENT_MULTI_STATEMENTS
-#define FIELD_TYPE_DECIMAL MYSQL_TYPE_DECIMAL
-#define FIELD_TYPE_NEWDECIMAL MYSQL_TYPE_NEWDECIMAL
-#define FIELD_TYPE_TINY MYSQL_TYPE_TINY
-#define FIELD_TYPE_SHORT MYSQL_TYPE_SHORT
-#define FIELD_TYPE_LONG MYSQL_TYPE_LONG
-#define FIELD_TYPE_FLOAT MYSQL_TYPE_FLOAT
-#define FIELD_TYPE_DOUBLE MYSQL_TYPE_DOUBLE
-#define FIELD_TYPE_NULL MYSQL_TYPE_NULL
-#define FIELD_TYPE_TIMESTAMP MYSQL_TYPE_TIMESTAMP
-#define FIELD_TYPE_LONGLONG MYSQL_TYPE_LONGLONG
-#define FIELD_TYPE_INT24 MYSQL_TYPE_INT24
-#define FIELD_TYPE_DATE MYSQL_TYPE_DATE
-#define FIELD_TYPE_TIME MYSQL_TYPE_TIME
-#define FIELD_TYPE_DATETIME MYSQL_TYPE_DATETIME
-#define FIELD_TYPE_YEAR MYSQL_TYPE_YEAR
-#define FIELD_TYPE_NEWDATE MYSQL_TYPE_NEWDATE
-#define FIELD_TYPE_ENUM MYSQL_TYPE_ENUM
-#define FIELD_TYPE_SET MYSQL_TYPE_SET
-#define FIELD_TYPE_TINY_BLOB MYSQL_TYPE_TINY_BLOB
-#define FIELD_TYPE_MEDIUM_BLOB MYSQL_TYPE_MEDIUM_BLOB
-#define FIELD_TYPE_LONG_BLOB MYSQL_TYPE_LONG_BLOB
-#define FIELD_TYPE_BLOB MYSQL_TYPE_BLOB
-#define FIELD_TYPE_VAR_STRING MYSQL_TYPE_VAR_STRING
-#define FIELD_TYPE_STRING MYSQL_TYPE_STRING
-#define FIELD_TYPE_CHAR MYSQL_TYPE_TINY
-#define FIELD_TYPE_INTERVAL MYSQL_TYPE_ENUM
-#define FIELD_TYPE_GEOMETRY MYSQL_TYPE_GEOMETRY
-#define FIELD_TYPE_BIT MYSQL_TYPE_BIT
-
-
-/* Shutdown/kill enums and constants */
-
-/* Bits for THD::killable. */
-#define MYSQL_SHUTDOWN_KILLABLE_CONNECT (unsigned char)(1 << 0)
-#define MYSQL_SHUTDOWN_KILLABLE_TRANS (unsigned char)(1 << 1)
-#define MYSQL_SHUTDOWN_KILLABLE_LOCK_TABLE (unsigned char)(1 << 2)
-#define MYSQL_SHUTDOWN_KILLABLE_UPDATE (unsigned char)(1 << 3)
-
-enum mysql_enum_shutdown_level {
- /*
- We want levels to be in growing order of hardness (because we use number
- comparisons). Note that DEFAULT does not respect the growing property, but
- it's ok.
- */
- SHUTDOWN_DEFAULT = 0,
- /* wait for existing connections to finish */
- SHUTDOWN_WAIT_CONNECTIONS= MYSQL_SHUTDOWN_KILLABLE_CONNECT,
- /* wait for existing trans to finish */
- SHUTDOWN_WAIT_TRANSACTIONS= MYSQL_SHUTDOWN_KILLABLE_TRANS,
- /* wait for existing updates to finish (=> no partial MyISAM update) */
- SHUTDOWN_WAIT_UPDATES= MYSQL_SHUTDOWN_KILLABLE_UPDATE,
- /* flush InnoDB buffers and other storage engines' buffers*/
- SHUTDOWN_WAIT_ALL_BUFFERS= (MYSQL_SHUTDOWN_KILLABLE_UPDATE << 1),
- /* don't flush InnoDB buffers, flush other storage engines' buffers*/
- SHUTDOWN_WAIT_CRITICAL_BUFFERS= (MYSQL_SHUTDOWN_KILLABLE_UPDATE << 1) + 1,
- /* Now the 2 levels of the KILL command */
-#if MYSQL_VERSION_ID >= 50000
- KILL_QUERY= 254,
-#endif
- KILL_CONNECTION= 255
-};
-
-
-enum enum_cursor_type
-{
- CURSOR_TYPE_NO_CURSOR= 0,
- CURSOR_TYPE_READ_ONLY= 1,
- CURSOR_TYPE_FOR_UPDATE= 2,
- CURSOR_TYPE_SCROLLABLE= 4
-};
-
-
-/* options for mysql_set_option */
-enum enum_mysql_set_option
-{
- MYSQL_OPTION_MULTI_STATEMENTS_ON,
- MYSQL_OPTION_MULTI_STATEMENTS_OFF
-};
-
-#define net_new_transaction(net) ((net)->pkt_nr=0)
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-my_bool my_net_init(NET *net, Vio* vio);
-void my_net_local_init(NET *net);
-void net_end(NET *net);
-void net_clear(NET *net);
-my_bool net_realloc(NET *net, unsigned long length);
-my_bool net_flush(NET *net);
-my_bool my_net_write(NET *net,const char *packet,unsigned long len);
-my_bool net_write_command(NET *net,unsigned char command,
- const char *header, unsigned long head_len,
- const char *packet, unsigned long len);
-int net_real_write(NET *net,const char *packet,unsigned long len);
-unsigned long my_net_read(NET *net);
-
-/*
- The following function is not meant for normal usage
- Currently it's used internally by manager.c
-*/
-struct sockaddr;
-int my_connect(my_socket s, const struct sockaddr *name, unsigned int namelen,
- unsigned int timeout);
-
-struct rand_struct {
- unsigned long seed1,seed2,max_value;
- double max_value_dbl;
-};
-
-#ifdef __cplusplus
-}
-#endif
-
- /* The following is for user defined functions */
-
-enum Item_result {STRING_RESULT=0, REAL_RESULT, INT_RESULT, ROW_RESULT,
- DECIMAL_RESULT};
-
-typedef struct st_udf_args
-{
- unsigned int arg_count; /* Number of arguments */
- enum Item_result *arg_type; /* Pointer to item_results */
- char **args; /* Pointer to argument */
- unsigned long *lengths; /* Length of string arguments */
- char *maybe_null; /* Set to 1 for all maybe_null args */
- char **attributes; /* Pointer to attribute name */
- unsigned long *attribute_lengths; /* Length of attribute arguments */
-} UDF_ARGS;
-
- /* This holds information about the result */
-
-typedef struct st_udf_init
-{
- my_bool maybe_null; /* 1 if function can return NULL */
- unsigned int decimals; /* for real functions */
- unsigned long max_length; /* For string functions */
- char *ptr; /* free pointer for function data */
- my_bool const_item; /* 0 if result is independent of arguments */
-} UDF_INIT;
-
- /* Constants when using compression */
-#define NET_HEADER_SIZE 4 /* standard header size */
-#define COMP_HEADER_SIZE 3 /* compression header extra size */
-
- /* Prototypes to password functions */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- These functions are used for authentication by client and server and
- implemented in sql/password.c
-*/
-
-void randominit(struct rand_struct *, unsigned long seed1,
- unsigned long seed2);
-double my_rnd(struct rand_struct *);
-void create_random_string(char *to, unsigned int length, struct rand_struct *rand_st);
-
-void hash_password(unsigned long *to, const char *password, unsigned int password_len);
-void make_scrambled_password_323(char *to, const char *password);
-void scramble_323(char *to, const char *message, const char *password);
-my_bool check_scramble_323(const char *, const char *message,
- unsigned long *salt);
-void get_salt_from_password_323(unsigned long *res, const char *password);
-void make_password_from_salt_323(char *to, const unsigned long *salt);
-
-void make_scrambled_password(char *to, const char *password);
-void scramble(char *to, const char *message, const char *password);
-my_bool check_scramble(const char *reply, const char *message,
- const unsigned char *hash_stage2);
-void get_salt_from_password(unsigned char *res, const char *password);
-void make_password_from_salt(char *to, const unsigned char *hash_stage2);
-char *octet2hex(char *to, const char *str, unsigned int len);
-
-/* end of password.c */
-
-char *get_tty_password(char *opt_message);
-const char *mysql_errno_to_sqlstate(unsigned int mysql_errno);
-
-/* Some other useful functions */
-
-my_bool my_init(void);
-extern int modify_defaults_file(const char *file_location, const char *option,
- const char *option_value,
- const char *section_name, int remove_option);
-int load_defaults(const char *conf_file, const char **groups,
- int *argc, char ***argv);
-my_bool my_thread_init(void);
-void my_thread_end(void);
-
-#ifdef _global_h
-ulong STDCALL net_field_length(uchar **packet);
-my_ulonglong net_field_length_ll(uchar **packet);
-char *net_store_length(char *pkg, ulonglong length);
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#define NULL_LENGTH ((unsigned long) ~0) /* For net_store_length */
-#define MYSQL_STMT_HEADER 4
-#define MYSQL_LONG_DATA_HEADER 6
-
-#endif
+/* Copyright (C) 2000 MySQL AB + + 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; either version 2 of the License, or + (at your option) any later version. + + 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +/* +** Common definition between mysql server & client +*/ + +#ifndef _mysql_com_h +#define _mysql_com_h + +#define NAME_LEN 64 /* Field/table name length */ +#define HOSTNAME_LENGTH 60 +#define USERNAME_LENGTH 16 +#define SERVER_VERSION_LENGTH 60 +#define SQLSTATE_LENGTH 5 + +/* + USER_HOST_BUFF_SIZE -- length of string buffer, that is enough to contain + username and hostname parts of the user identifier with trailing zero in + MySQL standard format: + user_name_part@host_name_part\0 +*/ +#define USER_HOST_BUFF_SIZE HOSTNAME_LENGTH + USERNAME_LENGTH + 2 + +#define LOCAL_HOST "localhost" +#define LOCAL_HOST_NAMEDPIPE "." + + +#if defined(__WIN__) && !defined( _CUSTOMCONFIG_) +#define MYSQL_NAMEDPIPE "MySQL" +#define MYSQL_SERVICENAME "MySQL" +#endif /* __WIN__ */ + +/* + You should add new commands to the end of this list, otherwise old + servers won't be able to handle them as 'unsupported'. +*/ + +enum enum_server_command +{ + COM_SLEEP, COM_QUIT, COM_INIT_DB, COM_QUERY, COM_FIELD_LIST, + COM_CREATE_DB, COM_DROP_DB, COM_REFRESH, COM_SHUTDOWN, COM_STATISTICS, + COM_PROCESS_INFO, COM_CONNECT, COM_PROCESS_KILL, COM_DEBUG, COM_PING, + COM_TIME, COM_DELAYED_INSERT, COM_CHANGE_USER, COM_BINLOG_DUMP, + COM_TABLE_DUMP, COM_CONNECT_OUT, COM_REGISTER_SLAVE, + COM_STMT_PREPARE, COM_STMT_EXECUTE, COM_STMT_SEND_LONG_DATA, COM_STMT_CLOSE, + COM_STMT_RESET, COM_SET_OPTION, COM_STMT_FETCH, + /* don't forget to update const char *command_name[] in sql_parse.cc */ + + /* Must be last */ + COM_END +}; + + +/* + Length of random string sent by server on handshake; this is also length of + obfuscated password, recieved from client +*/ +#define SCRAMBLE_LENGTH 20 +#define SCRAMBLE_LENGTH_323 8 +/* length of password stored in the db: new passwords are preceeded with '*' */ +#define SCRAMBLED_PASSWORD_CHAR_LENGTH (SCRAMBLE_LENGTH*2+1) +#define SCRAMBLED_PASSWORD_CHAR_LENGTH_323 (SCRAMBLE_LENGTH_323*2) + + +#define NOT_NULL_FLAG 1 /* Field can't be NULL */ +#define PRI_KEY_FLAG 2 /* Field is part of a primary key */ +#define UNIQUE_KEY_FLAG 4 /* Field is part of a unique key */ +#define MULTIPLE_KEY_FLAG 8 /* Field is part of a key */ +#define BLOB_FLAG 16 /* Field is a blob */ +#define UNSIGNED_FLAG 32 /* Field is unsigned */ +#define ZEROFILL_FLAG 64 /* Field is zerofill */ +#define BINARY_FLAG 128 /* Field is binary */ + +/* The following are only sent to new clients */ +#define ENUM_FLAG 256 /* field is an enum */ +#define AUTO_INCREMENT_FLAG 512 /* field is a autoincrement field */ +#define TIMESTAMP_FLAG 1024 /* Field is a timestamp */ +#define SET_FLAG 2048 /* field is a set */ +#define NO_DEFAULT_VALUE_FLAG 4096 /* Field doesn't have default value */ +#define NUM_FLAG 32768 /* Field is num (for clients) */ +#define PART_KEY_FLAG 16384 /* Intern; Part of some key */ +#define GROUP_FLAG 32768 /* Intern: Group field */ +#define UNIQUE_FLAG 65536 /* Intern: Used by sql_yacc */ +#define BINCMP_FLAG 131072 /* Intern: Used by sql_yacc */ + +#define REFRESH_GRANT 1 /* Refresh grant tables */ +#define REFRESH_LOG 2 /* Start on new log file */ +#define REFRESH_TABLES 4 /* close all tables */ +#define REFRESH_HOSTS 8 /* Flush host cache */ +#define REFRESH_STATUS 16 /* Flush status variables */ +#define REFRESH_THREADS 32 /* Flush thread cache */ +#define REFRESH_SLAVE 64 /* Reset master info and restart slave + thread */ +#define REFRESH_MASTER 128 /* Remove all bin logs in the index + and truncate the index */ + +/* The following can't be set with mysql_refresh() */ +#define REFRESH_READ_LOCK 16384 /* Lock tables for read */ +#define REFRESH_FAST 32768 /* Intern flag */ + +/* RESET (remove all queries) from query cache */ +#define REFRESH_QUERY_CACHE 65536 +#define REFRESH_QUERY_CACHE_FREE 0x20000L /* pack query cache */ +#define REFRESH_DES_KEY_FILE 0x40000L +#define REFRESH_USER_RESOURCES 0x80000L + +#define CLIENT_LONG_PASSWORD 1 /* new more secure passwords */ +#define CLIENT_FOUND_ROWS 2 /* Found instead of affected rows */ +#define CLIENT_LONG_FLAG 4 /* Get all column flags */ +#define CLIENT_CONNECT_WITH_DB 8 /* One can specify db on connect */ +#define CLIENT_NO_SCHEMA 16 /* Don't allow database.table.column */ +#define CLIENT_COMPRESS 32 /* Can use compression protocol */ +#define CLIENT_ODBC 64 /* Odbc client */ +#define CLIENT_LOCAL_FILES 128 /* Can use LOAD DATA LOCAL */ +#define CLIENT_IGNORE_SPACE 256 /* Ignore spaces before '(' */ +#define CLIENT_PROTOCOL_41 512 /* New 4.1 protocol */ +#define CLIENT_INTERACTIVE 1024 /* This is an interactive client */ +#define CLIENT_SSL 2048 /* Switch to SSL after handshake */ +#define CLIENT_IGNORE_SIGPIPE 4096 /* IGNORE sigpipes */ +#define CLIENT_TRANSACTIONS 8192 /* Client knows about transactions */ +#define CLIENT_RESERVED 16384 /* Old flag for 4.1 protocol */ +#define CLIENT_SECURE_CONNECTION 32768 /* New 4.1 authentication */ +#define CLIENT_MULTI_STATEMENTS 65536 /* Enable/disable multi-stmt support */ +#define CLIENT_MULTI_RESULTS 131072 /* Enable/disable multi-results */ +#define CLIENT_REMEMBER_OPTIONS (((ulong) 1) << 31) + +#define SERVER_STATUS_IN_TRANS 1 /* Transaction has started */ +#define SERVER_STATUS_AUTOCOMMIT 2 /* Server in auto_commit mode */ +#define SERVER_STATUS_MORE_RESULTS 4 /* More results on server */ +#define SERVER_MORE_RESULTS_EXISTS 8 /* Multi query - next query exists */ +#define SERVER_QUERY_NO_GOOD_INDEX_USED 16 +#define SERVER_QUERY_NO_INDEX_USED 32 +/* + The server was able to fulfill the clients request and opened a + read-only non-scrollable cursor for a query. This flag comes + in reply to COM_STMT_EXECUTE and COM_STMT_FETCH commands. +*/ +#define SERVER_STATUS_CURSOR_EXISTS 64 +/* + This flag is sent when a read-only cursor is exhausted, in reply to + COM_STMT_FETCH command. +*/ +#define SERVER_STATUS_LAST_ROW_SENT 128 +#define SERVER_STATUS_DB_DROPPED 256 /* A database was dropped */ +#define SERVER_STATUS_NO_BACKSLASH_ESCAPES 512 + +#define MYSQL_ERRMSG_SIZE 512 +#define NET_READ_TIMEOUT 30 /* Timeout on read */ +#define NET_WRITE_TIMEOUT 60 /* Timeout on write */ +#define NET_WAIT_TIMEOUT 8*60*60 /* Wait for new query */ + +#define ONLY_KILL_QUERY 1 + +struct st_vio; /* Only C */ +typedef struct st_vio Vio; + +#define MAX_TINYINT_WIDTH 3 /* Max width for a TINY w.o. sign */ +#define MAX_SMALLINT_WIDTH 5 /* Max width for a SHORT w.o. sign */ +#define MAX_MEDIUMINT_WIDTH 8 /* Max width for a INT24 w.o. sign */ +#define MAX_INT_WIDTH 10 /* Max width for a LONG w.o. sign */ +#define MAX_BIGINT_WIDTH 20 /* Max width for a LONGLONG */ +#define MAX_CHAR_WIDTH 255 /* Max length for a CHAR colum */ +#define MAX_BLOB_WIDTH 8192 /* Default width for blob */ + +typedef struct st_net { +#if !defined(CHECK_EMBEDDED_DIFFERENCES) || !defined(EMBEDDED_LIBRARY) + Vio* vio; + unsigned char *buff,*buff_end,*write_pos,*read_pos; + my_socket fd; /* For Perl DBI/dbd */ + unsigned long max_packet,max_packet_size; + unsigned int pkt_nr,compress_pkt_nr; + unsigned int write_timeout, read_timeout, retry_count; + int fcntl; + my_bool compress; + /* + The following variable is set if we are doing several queries in one + command ( as in LOAD TABLE ... FROM MASTER ), + and do not want to confuse the client with OK at the wrong time + */ + unsigned long remain_in_buf,length, buf_length, where_b; + unsigned int *return_status; + unsigned char reading_or_writing; + char save_char; + my_bool no_send_ok; /* For SPs and other things that do multiple stmts */ + my_bool no_send_eof; /* For SPs' first version read-only cursors */ + /* + Set if OK packet is already sent, and we do not need to send error + messages + */ + my_bool no_send_error; + /* + Pointer to query object in query cache, do not equal NULL (0) for + queries in cache that have not stored its results yet + */ +#endif + char last_error[MYSQL_ERRMSG_SIZE], sqlstate[SQLSTATE_LENGTH+1]; + unsigned int last_errno; + unsigned char error; + gptr query_cache_query; + my_bool report_error; /* We should report error (we have unreported error) */ + my_bool return_errno; +} NET; + +#define packet_error (~(unsigned long) 0) + +enum enum_field_types { MYSQL_TYPE_DECIMAL, MYSQL_TYPE_TINY, + MYSQL_TYPE_SHORT, MYSQL_TYPE_LONG, + MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE, + MYSQL_TYPE_NULL, MYSQL_TYPE_TIMESTAMP, + MYSQL_TYPE_LONGLONG,MYSQL_TYPE_INT24, + MYSQL_TYPE_DATE, MYSQL_TYPE_TIME, + MYSQL_TYPE_DATETIME, MYSQL_TYPE_YEAR, + MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR, + MYSQL_TYPE_BIT, + MYSQL_TYPE_NEWDECIMAL=246, + MYSQL_TYPE_ENUM=247, + MYSQL_TYPE_SET=248, + MYSQL_TYPE_TINY_BLOB=249, + MYSQL_TYPE_MEDIUM_BLOB=250, + MYSQL_TYPE_LONG_BLOB=251, + MYSQL_TYPE_BLOB=252, + MYSQL_TYPE_VAR_STRING=253, + MYSQL_TYPE_STRING=254, + MYSQL_TYPE_GEOMETRY=255 + +}; + +/* For backward compatibility */ +#define CLIENT_MULTI_QUERIES CLIENT_MULTI_STATEMENTS +#define FIELD_TYPE_DECIMAL MYSQL_TYPE_DECIMAL +#define FIELD_TYPE_NEWDECIMAL MYSQL_TYPE_NEWDECIMAL +#define FIELD_TYPE_TINY MYSQL_TYPE_TINY +#define FIELD_TYPE_SHORT MYSQL_TYPE_SHORT +#define FIELD_TYPE_LONG MYSQL_TYPE_LONG +#define FIELD_TYPE_FLOAT MYSQL_TYPE_FLOAT +#define FIELD_TYPE_DOUBLE MYSQL_TYPE_DOUBLE +#define FIELD_TYPE_NULL MYSQL_TYPE_NULL +#define FIELD_TYPE_TIMESTAMP MYSQL_TYPE_TIMESTAMP +#define FIELD_TYPE_LONGLONG MYSQL_TYPE_LONGLONG +#define FIELD_TYPE_INT24 MYSQL_TYPE_INT24 +#define FIELD_TYPE_DATE MYSQL_TYPE_DATE +#define FIELD_TYPE_TIME MYSQL_TYPE_TIME +#define FIELD_TYPE_DATETIME MYSQL_TYPE_DATETIME +#define FIELD_TYPE_YEAR MYSQL_TYPE_YEAR +#define FIELD_TYPE_NEWDATE MYSQL_TYPE_NEWDATE +#define FIELD_TYPE_ENUM MYSQL_TYPE_ENUM +#define FIELD_TYPE_SET MYSQL_TYPE_SET +#define FIELD_TYPE_TINY_BLOB MYSQL_TYPE_TINY_BLOB +#define FIELD_TYPE_MEDIUM_BLOB MYSQL_TYPE_MEDIUM_BLOB +#define FIELD_TYPE_LONG_BLOB MYSQL_TYPE_LONG_BLOB +#define FIELD_TYPE_BLOB MYSQL_TYPE_BLOB +#define FIELD_TYPE_VAR_STRING MYSQL_TYPE_VAR_STRING +#define FIELD_TYPE_STRING MYSQL_TYPE_STRING +#define FIELD_TYPE_CHAR MYSQL_TYPE_TINY +#define FIELD_TYPE_INTERVAL MYSQL_TYPE_ENUM +#define FIELD_TYPE_GEOMETRY MYSQL_TYPE_GEOMETRY +#define FIELD_TYPE_BIT MYSQL_TYPE_BIT + + +/* Shutdown/kill enums and constants */ + +/* Bits for THD::killable. */ +#define MYSQL_SHUTDOWN_KILLABLE_CONNECT (unsigned char)(1 << 0) +#define MYSQL_SHUTDOWN_KILLABLE_TRANS (unsigned char)(1 << 1) +#define MYSQL_SHUTDOWN_KILLABLE_LOCK_TABLE (unsigned char)(1 << 2) +#define MYSQL_SHUTDOWN_KILLABLE_UPDATE (unsigned char)(1 << 3) + +enum mysql_enum_shutdown_level { + /* + We want levels to be in growing order of hardness (because we use number + comparisons). Note that DEFAULT does not respect the growing property, but + it's ok. + */ + SHUTDOWN_DEFAULT = 0, + /* wait for existing connections to finish */ + SHUTDOWN_WAIT_CONNECTIONS= MYSQL_SHUTDOWN_KILLABLE_CONNECT, + /* wait for existing trans to finish */ + SHUTDOWN_WAIT_TRANSACTIONS= MYSQL_SHUTDOWN_KILLABLE_TRANS, + /* wait for existing updates to finish (=> no partial MyISAM update) */ + SHUTDOWN_WAIT_UPDATES= MYSQL_SHUTDOWN_KILLABLE_UPDATE, + /* flush InnoDB buffers and other storage engines' buffers*/ + SHUTDOWN_WAIT_ALL_BUFFERS= (MYSQL_SHUTDOWN_KILLABLE_UPDATE << 1), + /* don't flush InnoDB buffers, flush other storage engines' buffers*/ + SHUTDOWN_WAIT_CRITICAL_BUFFERS= (MYSQL_SHUTDOWN_KILLABLE_UPDATE << 1) + 1, + /* Now the 2 levels of the KILL command */ +#if MYSQL_VERSION_ID >= 50000 + KILL_QUERY= 254, +#endif + KILL_CONNECTION= 255 +}; + + +enum enum_cursor_type +{ + CURSOR_TYPE_NO_CURSOR= 0, + CURSOR_TYPE_READ_ONLY= 1, + CURSOR_TYPE_FOR_UPDATE= 2, + CURSOR_TYPE_SCROLLABLE= 4 +}; + + +/* options for mysql_set_option */ +enum enum_mysql_set_option +{ + MYSQL_OPTION_MULTI_STATEMENTS_ON, + MYSQL_OPTION_MULTI_STATEMENTS_OFF +}; + +#define net_new_transaction(net) ((net)->pkt_nr=0) + +#ifdef __cplusplus +extern "C" { +#endif + +my_bool my_net_init(NET *net, Vio* vio); +void my_net_local_init(NET *net); +void net_end(NET *net); +void net_clear(NET *net); +my_bool net_realloc(NET *net, unsigned long length); +my_bool net_flush(NET *net); +my_bool my_net_write(NET *net,const char *packet,unsigned long len); +my_bool net_write_command(NET *net,unsigned char command, + const char *header, unsigned long head_len, + const char *packet, unsigned long len); +int net_real_write(NET *net,const char *packet,unsigned long len); +unsigned long my_net_read(NET *net); + +/* + The following function is not meant for normal usage + Currently it's used internally by manager.c +*/ +struct sockaddr; +int my_connect(my_socket s, const struct sockaddr *name, unsigned int namelen, + unsigned int timeout); + +struct rand_struct { + unsigned long seed1,seed2,max_value; + double max_value_dbl; +}; + +#ifdef __cplusplus +} +#endif + + /* The following is for user defined functions */ + +enum Item_result {STRING_RESULT=0, REAL_RESULT, INT_RESULT, ROW_RESULT, + DECIMAL_RESULT}; + +typedef struct st_udf_args +{ + unsigned int arg_count; /* Number of arguments */ + enum Item_result *arg_type; /* Pointer to item_results */ + char **args; /* Pointer to argument */ + unsigned long *lengths; /* Length of string arguments */ + char *maybe_null; /* Set to 1 for all maybe_null args */ + char **attributes; /* Pointer to attribute name */ + unsigned long *attribute_lengths; /* Length of attribute arguments */ +} UDF_ARGS; + + /* This holds information about the result */ + +typedef struct st_udf_init +{ + my_bool maybe_null; /* 1 if function can return NULL */ + unsigned int decimals; /* for real functions */ + unsigned long max_length; /* For string functions */ + char *ptr; /* free pointer for function data */ + my_bool const_item; /* 0 if result is independent of arguments */ +} UDF_INIT; + + /* Constants when using compression */ +#define NET_HEADER_SIZE 4 /* standard header size */ +#define COMP_HEADER_SIZE 3 /* compression header extra size */ + + /* Prototypes to password functions */ + +#ifdef __cplusplus +extern "C" { +#endif + +/* + These functions are used for authentication by client and server and + implemented in sql/password.c +*/ + +void randominit(struct rand_struct *, unsigned long seed1, + unsigned long seed2); +double my_rnd(struct rand_struct *); +void create_random_string(char *to, unsigned int length, struct rand_struct *rand_st); + +void hash_password(unsigned long *to, const char *password, unsigned int password_len); +void make_scrambled_password_323(char *to, const char *password); +void scramble_323(char *to, const char *message, const char *password); +my_bool check_scramble_323(const char *, const char *message, + unsigned long *salt); +void get_salt_from_password_323(unsigned long *res, const char *password); +void make_password_from_salt_323(char *to, const unsigned long *salt); + +void make_scrambled_password(char *to, const char *password); +void scramble(char *to, const char *message, const char *password); +my_bool check_scramble(const char *reply, const char *message, + const unsigned char *hash_stage2); +void get_salt_from_password(unsigned char *res, const char *password); +void make_password_from_salt(char *to, const unsigned char *hash_stage2); +char *octet2hex(char *to, const char *str, unsigned int len); + +/* end of password.c */ + +char *get_tty_password(char *opt_message); +const char *mysql_errno_to_sqlstate(unsigned int mysql_errno); + +/* Some other useful functions */ + +my_bool my_init(void); +extern int modify_defaults_file(const char *file_location, const char *option, + const char *option_value, + const char *section_name, int remove_option); +int load_defaults(const char *conf_file, const char **groups, + int *argc, char ***argv); +my_bool my_thread_init(void); +void my_thread_end(void); + +#ifdef _global_h +ulong STDCALL net_field_length(uchar **packet); +my_ulonglong net_field_length_ll(uchar **packet); +char *net_store_length(char *pkg, ulonglong length); +#endif + +#ifdef __cplusplus +} +#endif + +#define NULL_LENGTH ((unsigned long) ~0) /* For net_store_length */ +#define MYSQL_STMT_HEADER 4 +#define MYSQL_LONG_DATA_HEADER 6 + +#endif |