/* 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 LOCAL_HOST "localhost" #define LOCAL_HOST_NAMEDPIPE "." #if defined(__WIN__) && !defined( _CUSTOMCONFIG_) #define MYSQL_NAMEDPIPE "MySQL" #define MYSQL_SERVICENAME "MySql" #endif /* __WIN__ */ 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_PREPARE, COM_EXECUTE, COM_LONG_DATA, COM_CLOSE_STMT }; #define SCRAMBLE_LENGTH 8 #define SCRAMBLE41_LENGTH 20 #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 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 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_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_PROTOCOL_41 16384 /* New 4.1 protocol */ #define CLIENT_SECURE_CONNECTION 32768 /* New 4.1 authentication */ #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 MYSQL_ERRMSG_SIZE 200 #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 */ struct st_vio; /* Only C */ typedef struct st_vio Vio; #define MAX_CHAR_WIDTH 255 /* Max length for a CHAR colum */ #define MAX_BLOB_WIDTH 8192 /* Default width for blob */ typedef struct st_net { 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 last_errno,pkt_nr,compress_pkt_nr; unsigned int write_timeout, read_timeout, retry_count; int fcntl; char last_error[MYSQL_ERRMSG_SIZE]; unsigned char error; my_bool return_errno,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 report_error; /* We should report error (we have unreported error) */ my_bool no_send_ok; /* Pointer to query object in query cache, do not equal NULL (0) for queries in cache that have not stored its results yet */ gptr query_cache_query; } 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_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 FIELD_TYPE_DECIMAL MYSQL_TYPE_DECIMAL #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 #if TO_BE_INCLUDED_LATER /* For bind applications, to indicate unsigned buffers */ #define MYSQL_TYPE_UTINY -10 #define MYSQL_TYPE_USHORT -9 #define MYSQL_TYPE_ULONG -8 #define MYSQL_TYPE_UFLOAT -7 #define MYSQL_TYPE_UDOUBLE -6 #define MYSQL_TYPE_ULONGLONG -5 #define MYSQL_TYPE_UINT24 -4 #endif #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; my_bool 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, REAL_RESULT, INT_RESULT, ROW_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 */ } 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 extern unsigned long max_allowed_packet; extern unsigned long net_buffer_length; void randominit(struct rand_struct *,unsigned long seed1, unsigned long seed2); double rnd(struct rand_struct *); void make_scrambled_password(char *to,const char *password, my_bool force_old_scramble,struct rand_struct *rand_st); int get_password_length(my_bool force_old_scramble); char get_password_version(const char* password); void create_random_string(int length,struct rand_struct *rand_st,char* target); my_bool validate_password(const char* password, const char* message, unsigned long* salt); void password_hash_stage1(char *to, const char *password); void password_hash_stage2(char *to,const char *salt); void password_crypt(const char* from,char* to, const char* password,int length); void get_hash_and_password(unsigned long* salt, unsigned char pversion,char* hash, unsigned char* bin_password); void get_salt_from_password(unsigned long *res,const char *password); void create_key_from_old_password(const char* password,char* key); void make_password_from_salt(char *to, unsigned long *hash_res, unsigned char password_version); char *scramble(char *to,const char *message,const char *password, my_bool old_ver); my_bool check_scramble(const char *, const char *message, unsigned long *salt,my_bool old_ver); char *get_tty_password(char *opt_message); void hash_password(unsigned long *result, const char *password); /* Some other useful functions */ void my_init(void); void 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 __cplusplus } #endif #define NULL_LENGTH ((unsigned long) ~0) /* For net_store_length */ #define MYSQL_STMT_HEADER 4 #define MYSQL_LONG_DATA_HEADER 6 #endif