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/* * ProFTPD - FTP server daemon * Copyright (c) 2014-2016 The ProFTPD Project team * * 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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 database API. */ #ifndef PR_CONFIGDB_H #define PR_CONFIGDB_H #include "pool.h" #include "sets.h" #include "table.h" typedef struct config_struc config_rec; struct server_struc; struct config_struc { struct config_struc *next, *prev; int config_type; unsigned int config_id; struct pool_rec *pool; /* Memory pool for this object */ xaset_t *set; /* The set we are stored in */ char *name; unsigned int argc; void **argv; long flags; /* Flags */ struct server_struc *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_CLASS (1 << 7) /* Class context */ #define CONF_NAMED (1 << 8) /* Named virtual host */ #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_MERGEDOWN_MULTI (1 << 1) /* Merge down, allowing multiple instances */ #define CF_DYNAMIC (1 << 2) /* Dynamically added entry */ #define CF_DEFER (1 << 3) /* Defer hashing until authentication */ #define CF_SILENT (1 << 4) /* Do not print a config dump when merging */ #define CF_MULTI (1 << 5) /* Allow multiple instances, but do not merge down */ /* 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 ? main_server->conf : NULL)) #define TOPLEVEL_CONF (session.anon_config ? session.anon_config->subset : (main_server ? main_server->conf : NULL)) /* Prototypes */ config_rec *add_config_set(xaset_t **, const char *); config_rec *add_config(struct server_struc *, const char *); config_rec *add_config_param(const char *, unsigned int, ...); config_rec *add_config_param_str(const char *, unsigned int, ...); config_rec *add_config_param_set(xaset_t **, const char *, unsigned int, ...); config_rec *pr_conf_add_server_config_param_str(struct server_struc *, const char *, unsigned int, ...); /* Flags used when searching for specific config_recs in the in-memory * config database, particularly when 'recurse' is TRUE. */ #define PR_CONFIG_FIND_FL_SKIP_ANON 0x001 #define PR_CONFIG_FIND_FL_SKIP_DIR 0x002 #define PR_CONFIG_FIND_FL_SKIP_LIMIT 0x004 #define PR_CONFIG_FIND_FL_SKIP_DYNDIR 0x008 config_rec *find_config_next(config_rec *, config_rec *, int, const char *, int); config_rec *find_config_next2(config_rec *, config_rec *, int, const char *, int, unsigned long); config_rec *find_config(xaset_t *, int, const char *, int); config_rec *find_config2(xaset_t *, int, const char *, int, unsigned long); void find_config_set_top(config_rec *); int remove_config(xaset_t *set, const char *name, int recurse); #define PR_CONFIG_FL_INSERT_HEAD 0x001 #define PR_CONFIG_FL_PRESERVE_ENTRY 0x002 config_rec *pr_config_add_set(xaset_t **, const char *, int); config_rec *pr_config_add(struct server_struc *, const char *, int); int pr_config_remove(xaset_t *set, const char *name, int flags, int recurse); /* Returns the assigned ID for the provided directive name, or zero * if no ID mapping was found. */ unsigned int pr_config_get_id(const char *name); /* Assigns a unique ID for the given configuration directive. The * mapping of directive to ID is stored in a lookup table, so that * searching of the config database by directive name can be done using * ID comparisons rather than string comparisons. * * Returns the ID assigned for the given directive, or zero if there was an * error. */ unsigned int pr_config_set_id(const char *name); void *get_param_ptr(xaset_t *, const char *, int); void *get_param_ptr_next(const char *, int); void pr_config_merge_down(xaset_t *, int); void pr_config_dump(void (*)(const char *, ...), xaset_t *, char *); /* Internal use only. */ void init_config(void); #endif /* PR_CONFIGDB_H */