/* * ProFTPD - FTP server daemon * Copyright (c) 1997, 1998 Public Flood Software * Copyright (C) 1999, 2000 MacGyver aka Habeeb J. Dihu * * 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. * * As a special exemption, Public Flood Software/MacGyver aka Habeeb J. Dihu * and other respective copyright holders give permission to link this program * with OpenSSL, and distribute the resulting executable, without including * the source code for OpenSSL in the source distribution. */ /* * Configuration structure, server, command and associated prototypes. * * $Id: dirtree.h,v 1.11 2001/06/18 17:12:45 flood Exp $ */ #ifndef __DIRTREE_H #define __DIRTREE_H #include "pool.h" #include "sets.h" typedef struct config_struc config_rec; typedef struct privdata privdata_t; struct conn_struc; typedef struct server_struc { struct server_struc *next,*prev; pool *pool; /* Memory pool for this server */ xaset_t *set; /* Set holding all servers */ char *ServerName; /* This server name */ char *ServerAddress; /* This server address */ char *ServerFQDN; /* Fully Qualified Domain Name */ int ServerPort; /* Port # to run on */ int tcp_rwin,tcp_swin; /* Receive/Send windows */ int tcp_rwin_override; /* Specifically override tcp rwin */ int tcp_swin_override; /* Specifically override tcp swin */ char *ServerAdmin; /* Administrator's name */ char *ServerMessage; /* Server's welcome message */ int AnonymousGreeting; /* Do not greet until after user login */ p_in_addr_t *ipaddr; /* Internal address of this server */ struct conn_struc *listen; /* Our listening connection */ xaset_t *conf; /* Configuration details */ } server_rec; #define CLASS_USER typedef struct cmd_struc { pool *pool; server_rec *server; config_rec *config; pool *tmp_pool; /* Temporary pool which only exists * while the cmd's handler is running */ int argc; char *arg; /* entire argument (excluding command) */ char **argv; char *group; /* Command grouping */ int class; /* The command class */ int symtable_index; /* hack to speed up symbol hashing in modules.c */ privdata_t *private; /* Private data for passing/retaining between handlers */ array_header *privarr; /* Internal use */ } cmd_rec; struct config_struc { struct config_struc *next,*prev; int config_type; pool *pool; /* memory pool for this object */ xaset_t *set; /* The set we are stored in */ char *name; int argc; void **argv; long overrides; /* Override classes */ long flags; /* Flags */ server_rec *server; /* Server this config element is attached to */ config_rec *parent; /* Our parent configuration record */ xaset_t *subset; /* Sub-configuration */ }; #define CONF_ROOT (1 << 0) /* No conf record */ #define CONF_DIR (1 << 1) /* Per-Dir configuration */ #define CONF_ANON (1 << 2) /* Anon. FTP configuration */ #define CONF_LIMIT (1 << 3) /* Limits commands available */ #define CONF_VIRTUAL (1 << 4) /* Virtual host */ #define CONF_DYNDIR (1 << 5) /* .ftpaccess file */ #define CONF_GLOBAL (1 << 6) /* "Global" context (applies to main server and ALL virtualhosts */ #define CONF_USERDATA (1 << 14) /* Runtime user data */ #define CONF_PARAM (1 << 15) /* config/args pair */ /* config_rec flags */ #define CF_MERGEDOWN (1 << 0) /* Merge option down */ #define CF_DYNAMIC (1 << 1) /* Dynamically added entry */ #define CF_DEFER (1 << 2) /* Defer hashing until authentication */ /* Operation codes for dir_* funcs */ #define OP_HIDE 1 /* Op for hiding dirs/files */ #define OP_COMMAND 2 /* Command operation */ /* For the Order directive */ #define ORDER_ALLOWDENY 0 #define ORDER_DENYALLOW 1 /* The following macro determines the "highest" level available for * configuration directives. If a current dir_config is available, it's * subset is used, otherwise anon config or main server */ #define CURRENT_CONF (session.dir_config ? session.dir_config->subset \ : (session.anon_config ? session.anon_config->subset \ : main_server->conf)) #define TOPLEVEL_CONF (session.anon_config ? session.anon_config->subset : main_server->conf) extern server_rec *main_server; extern int tcpBackLog; extern int SocketBindTight; extern char ServerType; extern int ServerMaxInstances; extern int ServerUseReverseDNS; extern int TimeoutLogin; extern int TimeoutIdle; extern int TimeoutNoXfer; extern int TimeoutStalled; /* These macros are used to help handle configuration in modules */ #define CONF_ERROR(x, s) return ERROR_MSG((x),NULL,pstrcat((x)->tmp_pool, \ (x)->argv[0],": ",(s),NULL)); #define CHECK_ARGS(x, n) if((x)->argc-1 < n) \ CONF_ERROR(x,"missing arguments") #define CHECK_VARARGS(x, n, m) if((x)->argc - 1 < n || (x)->argc - 1 > m) \ CONF_ERROR(x,"missing arguments") #define CHECK_HASARGS(x, n) ((x)->argc - 1) == n #define CHECK_CONF(x,p) if(!check_conf((x),(p))) \ CONF_ERROR((x), \ pstrcat((x)->tmp_pool,"directive not allowed in ", \ get_section_name((x)), \ " section.",NULL)) #define CHECK_CMD_ARGS(x, n) if((x)->argc != (n)) { \ add_response_err(R_501, \ "Invalid number of arguments."); \ return ERROR((x)); \ } #define CHECK_CMD_MIN_ARGS(x, n) if((x)->argc < (n)) { \ add_response_err(R_501, \ "Invalid number of arguments."); \ return ERROR((x)); \ } /* Prototypes */ /* KLUDGE: disable umask() for not G_WRITE operations. Config/ * Directory walking code will be completely redesigned in 1.3, * this is only necessary for perfomance reasons in 1.1/1.2 */ void kludge_disable_umask(); void kludge_enable_umask(); void init_config(); void fixup_servers(); int parse_config_file(const char*); config_rec *add_config_set(xaset_t**,const char*); config_rec *add_config(const char*); config_rec *add_config_param(const char*,int,...); config_rec *add_config_param_str(const char*,int,...); config_rec *add_config_param_set(xaset_t**,const char*,int,...); config_rec *find_config_next(config_rec*,config_rec*,int,const char*,int); config_rec *find_config(xaset_t*,int,const char*,int); void find_config_set_top(config_rec*); int remove_config(xaset_t*,const char*,int); class_t *find_class(p_in_addr_t *addr, char *remote_name); array_header *parse_group_expression(pool*,int*,char**); array_header *parse_user_expression(pool*,int*,char**); int group_expression(char**); int user_expression(char**); long get_param_int(xaset_t*,const char*,int); long get_param_int_next(const char*,int); void *get_param_ptr(xaset_t*,const char*,int); void *get_param_ptr_next(const char*,int); void init_conf_stacks(); void free_conf_stacks(); server_rec *start_new_server(const char*); server_rec *end_new_server(); config_rec *start_sub_config(const char*); config_rec *end_sub_config(); char *get_word(char**); config_rec *dir_match_path(pool*,char*); void build_dyn_config(pool*,char*,struct stat*,int); int dir_check_hidden(const char *path); int dir_check_op_mode(pool*,char*,int,int,int,int); int dir_check_full(pool*,char*,char*,char*,int*); int dir_check(pool*,char*,char*,char*,int*); int dir_check_canon(pool*,char*,char*,char*,int*); int is_dotdir(const char *); int login_check_limits(xaset_t*,int,int,int*); void resolve_anonymous_dirs(xaset_t*); void resolve_defered_dirs(server_rec*); void fixup_dirs(server_rec*,int); int check_conf(cmd_rec*,int); char *get_section_name(cmd_rec*); int get_boolean(cmd_rec*,int); char *get_full_cmd(cmd_rec*); int match_ip(p_in_addr_t*, char*, const char *); #endif /* __DIRTREE_H */