533 lines
20 KiB
C
533 lines
20 KiB
C
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/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
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/*
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** Common definition between mysql server & client
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*/
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#ifndef _mysql_com_h
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#define _mysql_com_h
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#define HOSTNAME_LENGTH 60
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#define SYSTEM_CHARSET_MBMAXLEN 3
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#define NAME_CHAR_LEN 64 /* Field/table name length */
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#define USERNAME_CHAR_LENGTH 16
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#define NAME_LEN (NAME_CHAR_LEN*SYSTEM_CHARSET_MBMAXLEN)
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#define USERNAME_LENGTH (USERNAME_CHAR_LENGTH*SYSTEM_CHARSET_MBMAXLEN)
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#define SERVER_VERSION_LENGTH 60
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#define SQLSTATE_LENGTH 5
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/*
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USER_HOST_BUFF_SIZE -- length of string buffer, that is enough to contain
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username and hostname parts of the user identifier with trailing zero in
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MySQL standard format:
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user_name_part@host_name_part\0
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*/
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#define USER_HOST_BUFF_SIZE HOSTNAME_LENGTH + USERNAME_LENGTH + 2
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#define LOCAL_HOST "localhost"
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#define LOCAL_HOST_NAMEDPIPE "."
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#if defined(__WIN__) && !defined( _CUSTOMCONFIG_)
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#define MYSQL_NAMEDPIPE "MySQL"
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#define MYSQL_SERVICENAME "MySQL"
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#endif /* __WIN__ */
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/*
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You should add new commands to the end of this list, otherwise old
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servers won't be able to handle them as 'unsupported'.
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*/
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enum enum_server_command
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{
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COM_SLEEP, COM_QUIT, COM_INIT_DB, COM_QUERY, COM_FIELD_LIST,
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COM_CREATE_DB, COM_DROP_DB, COM_REFRESH, COM_SHUTDOWN, COM_STATISTICS,
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COM_PROCESS_INFO, COM_CONNECT, COM_PROCESS_KILL, COM_DEBUG, COM_PING,
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COM_TIME, COM_DELAYED_INSERT, COM_CHANGE_USER, COM_BINLOG_DUMP,
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COM_TABLE_DUMP, COM_CONNECT_OUT, COM_REGISTER_SLAVE,
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COM_STMT_PREPARE, COM_STMT_EXECUTE, COM_STMT_SEND_LONG_DATA, COM_STMT_CLOSE,
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COM_STMT_RESET, COM_SET_OPTION, COM_STMT_FETCH, COM_DAEMON,
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/* don't forget to update const char *command_name[] in sql_parse.cc */
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/* Must be last */
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COM_END
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};
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/*
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Length of random string sent by server on handshake; this is also length of
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obfuscated password, recieved from client
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*/
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#define SCRAMBLE_LENGTH 20
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#define SCRAMBLE_LENGTH_323 8
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/* length of password stored in the db: new passwords are preceeded with '*' */
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#define SCRAMBLED_PASSWORD_CHAR_LENGTH (SCRAMBLE_LENGTH*2+1)
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#define SCRAMBLED_PASSWORD_CHAR_LENGTH_323 (SCRAMBLE_LENGTH_323*2)
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#define NOT_NULL_FLAG 1 /* Field can't be NULL */
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#define PRI_KEY_FLAG 2 /* Field is part of a primary key */
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#define UNIQUE_KEY_FLAG 4 /* Field is part of a unique key */
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#define MULTIPLE_KEY_FLAG 8 /* Field is part of a key */
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#define BLOB_FLAG 16 /* Field is a blob */
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#define UNSIGNED_FLAG 32 /* Field is unsigned */
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#define ZEROFILL_FLAG 64 /* Field is zerofill */
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#define BINARY_FLAG 128 /* Field is binary */
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/* The following are only sent to new clients */
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#define ENUM_FLAG 256 /* field is an enum */
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#define AUTO_INCREMENT_FLAG 512 /* field is a autoincrement field */
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#define TIMESTAMP_FLAG 1024 /* Field is a timestamp */
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#define SET_FLAG 2048 /* field is a set */
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#define NO_DEFAULT_VALUE_FLAG 4096 /* Field doesn't have default value */
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#define ON_UPDATE_NOW_FLAG 8192 /* Field is set to NOW on UPDATE */
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#define NUM_FLAG 32768 /* Field is num (for clients) */
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#define PART_KEY_FLAG 16384 /* Intern; Part of some key */
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#define GROUP_FLAG 32768 /* Intern: Group field */
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#define UNIQUE_FLAG 65536 /* Intern: Used by sql_yacc */
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#define BINCMP_FLAG 131072 /* Intern: Used by sql_yacc */
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#define GET_FIXED_FIELDS_FLAG (1 << 18) /* Used to get fields in item tree */
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#define FIELD_IN_PART_FUNC_FLAG (1 << 19)/* Field part of partition func */
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#define FIELD_IN_ADD_INDEX (1<< 20) /* Intern: Field used in ADD INDEX */
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#define FIELD_IS_RENAMED (1<< 21) /* Intern: Field is being renamed */
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#define REFRESH_GRANT 1 /* Refresh grant tables */
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#define REFRESH_LOG 2 /* Start on new log file */
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#define REFRESH_TABLES 4 /* close all tables */
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#define REFRESH_HOSTS 8 /* Flush host cache */
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#define REFRESH_STATUS 16 /* Flush status variables */
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#define REFRESH_THREADS 32 /* Flush thread cache */
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#define REFRESH_SLAVE 64 /* Reset master info and restart slave
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thread */
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#define REFRESH_MASTER 128 /* Remove all bin logs in the index
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and truncate the index */
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/* The following can't be set with mysql_refresh() */
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#define REFRESH_READ_LOCK 16384 /* Lock tables for read */
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#define REFRESH_FAST 32768 /* Intern flag */
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/* RESET (remove all queries) from query cache */
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#define REFRESH_QUERY_CACHE 65536
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#define REFRESH_QUERY_CACHE_FREE 0x20000L /* pack query cache */
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#define REFRESH_DES_KEY_FILE 0x40000L
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#define REFRESH_USER_RESOURCES 0x80000L
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#define CLIENT_LONG_PASSWORD 1 /* new more secure passwords */
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#define CLIENT_FOUND_ROWS 2 /* Found instead of affected rows */
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#define CLIENT_LONG_FLAG 4 /* Get all column flags */
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#define CLIENT_CONNECT_WITH_DB 8 /* One can specify db on connect */
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#define CLIENT_NO_SCHEMA 16 /* Don't allow database.table.column */
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#define CLIENT_COMPRESS 32 /* Can use compression protocol */
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#define CLIENT_ODBC 64 /* Odbc client */
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#define CLIENT_LOCAL_FILES 128 /* Can use LOAD DATA LOCAL */
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#define CLIENT_IGNORE_SPACE 256 /* Ignore spaces before '(' */
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#define CLIENT_PROTOCOL_41 512 /* New 4.1 protocol */
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#define CLIENT_INTERACTIVE 1024 /* This is an interactive client */
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#define CLIENT_SSL 2048 /* Switch to SSL after handshake */
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#define CLIENT_IGNORE_SIGPIPE 4096 /* IGNORE sigpipes */
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#define CLIENT_TRANSACTIONS 8192 /* Client knows about transactions */
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#define CLIENT_RESERVED 16384 /* Old flag for 4.1 protocol */
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#define CLIENT_SECURE_CONNECTION 32768 /* New 4.1 authentication */
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#define CLIENT_MULTI_STATEMENTS (1UL << 16) /* Enable/disable multi-stmt support */
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#define CLIENT_MULTI_RESULTS (1UL << 17) /* Enable/disable multi-results */
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#define CLIENT_SSL_VERIFY_SERVER_CERT (1UL << 30)
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#define CLIENT_REMEMBER_OPTIONS (1UL << 31)
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/* Gather all possible capabilites (flags) supported by the server */
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#define CLIENT_ALL_FLAGS (CLIENT_LONG_PASSWORD | \
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CLIENT_FOUND_ROWS | \
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CLIENT_LONG_FLAG | \
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CLIENT_CONNECT_WITH_DB | \
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CLIENT_NO_SCHEMA | \
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CLIENT_COMPRESS | \
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CLIENT_ODBC | \
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CLIENT_LOCAL_FILES | \
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CLIENT_IGNORE_SPACE | \
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CLIENT_PROTOCOL_41 | \
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CLIENT_INTERACTIVE | \
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CLIENT_SSL | \
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CLIENT_IGNORE_SIGPIPE | \
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CLIENT_TRANSACTIONS | \
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CLIENT_RESERVED | \
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CLIENT_SECURE_CONNECTION | \
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CLIENT_MULTI_STATEMENTS | \
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CLIENT_MULTI_RESULTS | \
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CLIENT_SSL_VERIFY_SERVER_CERT | \
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CLIENT_REMEMBER_OPTIONS)
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/*
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Switch off the flags that are optional and depending on build flags
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If any of the optional flags is supported by the build it will be switched
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on before sending to the client during the connection handshake.
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*/
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#define CLIENT_BASIC_FLAGS (((CLIENT_ALL_FLAGS & ~CLIENT_SSL) \
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& ~CLIENT_COMPRESS) \
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& ~CLIENT_SSL_VERIFY_SERVER_CERT)
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#define SERVER_STATUS_IN_TRANS 1 /* Transaction has started */
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#define SERVER_STATUS_AUTOCOMMIT 2 /* Server in auto_commit mode */
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#define SERVER_MORE_RESULTS_EXISTS 8 /* Multi query - next query exists */
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#define SERVER_QUERY_NO_GOOD_INDEX_USED 16
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#define SERVER_QUERY_NO_INDEX_USED 32
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/**
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The server was able to fulfill the clients request and opened a
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read-only non-scrollable cursor for a query. This flag comes
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in reply to COM_STMT_EXECUTE and COM_STMT_FETCH commands.
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*/
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#define SERVER_STATUS_CURSOR_EXISTS 64
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/**
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This flag is sent when a read-only cursor is exhausted, in reply to
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COM_STMT_FETCH command.
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*/
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#define SERVER_STATUS_LAST_ROW_SENT 128
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#define SERVER_STATUS_DB_DROPPED 256 /* A database was dropped */
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#define SERVER_STATUS_NO_BACKSLASH_ESCAPES 512
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/**
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Sent to the client if after a prepared statement reprepare
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we discovered that the new statement returns a different
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number of result set columns.
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*/
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#define SERVER_STATUS_METADATA_CHANGED 1024
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/**
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Server status flags that must be cleared when starting
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execution of a new SQL statement.
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Flags from this set are only added to the
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current server status by the execution engine, but
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never removed -- the execution engine expects them
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to disappear automagically by the next command.
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*/
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#define SERVER_STATUS_CLEAR_SET (SERVER_QUERY_NO_GOOD_INDEX_USED| \
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SERVER_QUERY_NO_INDEX_USED|\
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SERVER_MORE_RESULTS_EXISTS|\
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SERVER_STATUS_METADATA_CHANGED)
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#define MYSQL_ERRMSG_SIZE 512
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#define NET_READ_TIMEOUT 30 /* Timeout on read */
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#define NET_WRITE_TIMEOUT 60 /* Timeout on write */
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#define NET_WAIT_TIMEOUT 8*60*60 /* Wait for new query */
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#define ONLY_KILL_QUERY 1
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struct st_vio; /* Only C */
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typedef struct st_vio Vio;
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#define MAX_TINYINT_WIDTH 3 /* Max width for a TINY w.o. sign */
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#define MAX_SMALLINT_WIDTH 5 /* Max width for a SHORT w.o. sign */
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#define MAX_MEDIUMINT_WIDTH 8 /* Max width for a INT24 w.o. sign */
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#define MAX_INT_WIDTH 10 /* Max width for a LONG w.o. sign */
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#define MAX_BIGINT_WIDTH 20 /* Max width for a LONGLONG */
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#define MAX_CHAR_WIDTH 255 /* Max length for a CHAR colum */
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#define MAX_BLOB_WIDTH 16777216 /* Default width for blob */
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typedef struct st_net {
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#if !defined(CHECK_EMBEDDED_DIFFERENCES) || !defined(EMBEDDED_LIBRARY)
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Vio *vio;
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unsigned char *buff,*buff_end,*write_pos,*read_pos;
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my_socket fd; /* For Perl DBI/dbd */
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/*
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The following variable is set if we are doing several queries in one
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command ( as in LOAD TABLE ... FROM MASTER ),
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and do not want to confuse the client with OK at the wrong time
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*/
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unsigned long remain_in_buf,length, buf_length, where_b;
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unsigned long max_packet,max_packet_size;
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unsigned int pkt_nr,compress_pkt_nr;
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unsigned int write_timeout, read_timeout, retry_count;
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int fcntl;
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unsigned int *return_status;
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unsigned char reading_or_writing;
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char save_char;
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my_bool unused0; /* Please remove with the next incompatible ABI change. */
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my_bool unused; /* Please remove with the next incompatible ABI change */
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my_bool compress;
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my_bool unused1; /* Please remove with the next incompatible ABI change. */
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/*
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Pointer to query object in query cache, do not equal NULL (0) for
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queries in cache that have not stored its results yet
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*/
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#endif
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/*
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'query_cache_query' should be accessed only via query cache
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functions and methods to maintain proper locking.
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*/
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unsigned char *query_cache_query;
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unsigned int last_errno;
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unsigned char error;
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my_bool unused2; /* Please remove with the next incompatible ABI change. */
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my_bool return_errno;
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/** Client library error message buffer. Actually belongs to struct MYSQL. */
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char last_error[MYSQL_ERRMSG_SIZE];
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/** Client library sqlstate buffer. Set along with the error message. */
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char sqlstate[SQLSTATE_LENGTH+1];
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void *extension;
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#if defined(MYSQL_SERVER) && !defined(EMBEDDED_LIBRARY)
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/*
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Controls whether a big packet should be skipped.
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Initially set to FALSE by default. Unauthenticated sessions must have
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this set to FALSE so that the server can't be tricked to read packets
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indefinitely.
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*/
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my_bool skip_big_packet;
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#endif
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} NET;
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#define packet_error (~(unsigned long) 0)
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enum enum_field_types { MYSQL_TYPE_DECIMAL, MYSQL_TYPE_TINY,
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MYSQL_TYPE_SHORT, MYSQL_TYPE_LONG,
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MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
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MYSQL_TYPE_NULL, MYSQL_TYPE_TIMESTAMP,
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MYSQL_TYPE_LONGLONG,MYSQL_TYPE_INT24,
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MYSQL_TYPE_DATE, MYSQL_TYPE_TIME,
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MYSQL_TYPE_DATETIME, MYSQL_TYPE_YEAR,
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MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR,
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MYSQL_TYPE_BIT,
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MYSQL_TYPE_NEWDECIMAL=246,
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MYSQL_TYPE_ENUM=247,
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MYSQL_TYPE_SET=248,
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MYSQL_TYPE_TINY_BLOB=249,
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MYSQL_TYPE_MEDIUM_BLOB=250,
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MYSQL_TYPE_LONG_BLOB=251,
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MYSQL_TYPE_BLOB=252,
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MYSQL_TYPE_VAR_STRING=253,
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MYSQL_TYPE_STRING=254,
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MYSQL_TYPE_GEOMETRY=255
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};
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/* For backward compatibility */
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#define CLIENT_MULTI_QUERIES CLIENT_MULTI_STATEMENTS
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#define FIELD_TYPE_DECIMAL MYSQL_TYPE_DECIMAL
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#define FIELD_TYPE_NEWDECIMAL MYSQL_TYPE_NEWDECIMAL
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#define FIELD_TYPE_TINY MYSQL_TYPE_TINY
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#define FIELD_TYPE_SHORT MYSQL_TYPE_SHORT
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#define FIELD_TYPE_LONG MYSQL_TYPE_LONG
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#define FIELD_TYPE_FLOAT MYSQL_TYPE_FLOAT
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#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 clear_buffer);
|
||
|
|
my_bool net_realloc(NET *net, size_t length);
|
||
|
|
my_bool net_flush(NET *net);
|
||
|
|
my_bool my_net_write(NET *net,const unsigned char *packet, size_t len);
|
||
|
|
my_bool net_write_command(NET *net,unsigned char command,
|
||
|
|
const unsigned char *header, size_t head_len,
|
||
|
|
const unsigned char *packet, size_t len);
|
||
|
|
int net_real_write(NET *net,const unsigned char *packet, size_t len);
|
||
|
|
unsigned long my_net_read(NET *net);
|
||
|
|
|
||
|
|
#ifdef _global_h
|
||
|
|
void my_net_set_write_timeout(NET *net, uint timeout);
|
||
|
|
void my_net_set_read_timeout(NET *net, uint timeout);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
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 */
|
||
|
|
void *extension;
|
||
|
|
} 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; /* 1 if function always returns the same value */
|
||
|
|
void *extension;
|
||
|
|
} UDF_INIT;
|
||
|
|
/*
|
||
|
|
TODO: add a notion for determinism of the UDF.
|
||
|
|
See Item_udf_func::update_used_tables ()
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* 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(const char *opt_message);
|
||
|
|
const char *mysql_errno_to_sqlstate(unsigned int mysql_errno);
|
||
|
|
|
||
|
|
/* Some other useful functions */
|
||
|
|
|
||
|
|
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);
|
||
|
|
uchar *net_store_length(uchar *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
|