confdb.h revision 4b6a0d0b3d42e5fdb457f47d9adfa5e66b160256
/*
SSSD
NSS Configuratoin DB
Copyright (C) Simo Sorce <ssorce@redhat.com> 2008
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _CONF_DB_H
#define _CONF_DB_H
#include <stdbool.h>
#include "talloc.h"
#include "tevent.h"
#include "ldb.h"
#include "ldb_errors.h"
#include "config.h"
/**
* @defgroup sss_confdb The ConfDB API
* The ConfDB is an interface for data providers to
* access the configuration information provided in
* the sssd.conf
* @{
*/
#define CONFDB_FILE "config.ldb"
#define CONFDB_DEFAULT_CONFIG_FILE SSSD_CONF_DIR"/sssd.conf"
#define SSSD_MIN_ID 1
#define SSSD_LOCAL_MINID 1000
#define CONFDB_DEFAULT_SHELL_FALLBACK "/bin/sh"
/* Configuration options */
/* Services */
#define CONFDB_SERVICE_PATH_TMPL "config/%s"
#define CONFDB_SERVICE_COMMAND "command"
#define CONFDB_SERVICE_DEBUG_LEVEL "debug_level"
#define CONFDB_SERVICE_DEBUG_TIMESTAMPS "debug_timestamps"
#define CONFDB_SERVICE_DEBUG_TO_FILES "debug_to_files"
#define CONFDB_SERVICE_TIMEOUT "timeout"
#define CONFDB_SERVICE_RECON_RETRIES "reconnection_retries"
/* Monitor */
#define CONFDB_MONITOR_CONF_ENTRY "config/sssd"
#define CONFDB_MONITOR_SBUS_TIMEOUT "sbus_timeout"
#define CONFDB_MONITOR_ACTIVE_SERVICES "services"
#define CONFDB_MONITOR_ACTIVE_DOMAINS "domains"
#define CONFDB_MONITOR_NAME_REGEX "re_expression"
#define CONFDB_MONITOR_FULL_NAME_FORMAT "full_name_format"
#define CONFDB_MONITOR_TRY_INOTIFY "try_inotify"
#define CONFDB_MONITOR_KRB5_RCACHEDIR "krb5_rcache_dir"
/* NSS */
#define CONFDB_NSS_CONF_ENTRY "config/nss"
#define CONFDB_NSS_ENUM_CACHE_TIMEOUT "enum_cache_timeout"
#define CONFDB_NSS_ENTRY_CACHE_NOWAIT_PERCENTAGE "entry_cache_nowait_percentage"
#define CONFDB_NSS_ENTRY_NEG_TIMEOUT "entry_negative_timeout"
#define CONFDB_NSS_FILTER_USERS_IN_GROUPS "filter_users_in_groups"
#define CONFDB_NSS_FILTER_USERS "filter_users"
#define CONFDB_NSS_FILTER_GROUPS "filter_groups"
#define CONFDB_NSS_PWFIELD "pwfield"
#define CONFDB_NSS_OVERRIDE_HOMEDIR "override_homedir"
#define CONFDB_NSS_VETOED_SHELL "vetoed_shells"
#define CONFDB_NSS_ALLOWED_SHELL "allowed_shells"
#define CONFDB_NSS_SHELL_FALLBACK "shell_fallback"
/* PAM */
#define CONFDB_PAM_CONF_ENTRY "config/pam"
#define CONFDB_PAM_CRED_TIMEOUT "offline_credentials_expiration"
#define CONFDB_PAM_FAILED_LOGIN_ATTEMPTS "offline_failed_login_attempts"
#define CONFDB_DEFAULT_PAM_FAILED_LOGIN_ATTEMPTS 0
#define CONFDB_PAM_FAILED_LOGIN_DELAY "offline_failed_login_delay"
#define CONFDB_DEFAULT_PAM_FAILED_LOGIN_DELAY 5
#define CONFDB_PAM_VERBOSITY "pam_verbosity"
#define CONFDB_PAM_ID_TIMEOUT "pam_id_timeout"
#define CONFDB_PAM_PWD_EXPIRATION_WARNING "pam_pwd_expiration_warning"
/* Data Provider */
#define CONFDB_DP_CONF_ENTRY "config/dp"
/* Domains */
#define CONFDB_DOMAIN_PATH_TMPL "config/domain/%s"
#define CONFDB_DOMAIN_BASEDN "cn=domain,cn=config"
#define CONFDB_DOMAIN_ID_PROVIDER "id_provider"
#define CONFDB_DOMAIN_AUTH_PROVIDER "auth_provider"
#define CONFDB_DOMAIN_ACCESS_PROVIDER "access_provider"
#define CONFDB_DOMAIN_CHPASS_PROVIDER "chpass_provider"
#define CONFDB_DOMAIN_COMMAND "command"
#define CONFDB_DOMAIN_TIMEOUT "timeout"
#define CONFDB_DOMAIN_ATTR "cn"
#define CONFDB_DOMAIN_ENUMERATE "enumerate"
#define CONFDB_DOMAIN_MINID "min_id"
#define CONFDB_DOMAIN_MAXID "max_id"
#define CONFDB_DOMAIN_CACHE_CREDS "cache_credentials"
#define CONFDB_DOMAIN_LEGACY_PASS "store_legacy_passwords"
#define CONFDB_DOMAIN_MPG "magic_private_groups"
#define CONFDB_DOMAIN_FQ "use_fully_qualified_names"
#define CONFDB_DOMAIN_ENTRY_CACHE_TIMEOUT "entry_cache_timeout"
#define CONFDB_DOMAIN_RESOLV_TIMEOUT "dns_resolver_timeout"
#define CONFDB_DOMAIN_DNS_DISCOVERY_NAME "dns_discovery_domain"
#define CONFDB_DOMAIN_FAMILY_ORDER "lookup_family_order"
#define CONFDB_DOMAIN_ACCOUNT_CACHE_EXPIRATION "account_cache_expiration"
#define CONFDB_DOMAIN_OVERRIDE_GID "override_gid"
/* Local Provider */
#define CONFDB_LOCAL_DEFAULT_SHELL "default_shell"
#define CONFDB_LOCAL_DEFAULT_BASEDIR "base_directory"
#define CONFDB_LOCAL_CREATE_HOMEDIR "create_homedir"
#define CONFDB_LOCAL_REMOVE_HOMEDIR "remove_homedir"
#define CONFDB_LOCAL_UMASK "homedir_umask"
#define CONFDB_LOCAL_SKEL_DIR "skel_dir"
#define CONFDB_LOCAL_MAIL_DIR "mail_dir"
#define CONFDB_LOCAL_USERDEL_CMD "userdel_cmd"
/* Proxy Provider */
#define CONFDB_PROXY_LIBNAME "proxy_lib_name"
#define CONFDB_PROXY_PAM_TARGET "proxy_pam_target"
struct confdb_ctx;
struct config_file_ctx;
/**
* Data structure storing all of the basic features
* of a domain.
*/
struct sss_domain_info {
char *name;
char *provider;
int timeout;
bool enumerate;
bool fqnames;
uint32_t id_min;
uint32_t id_max;
bool cache_credentials;
bool legacy_passwords;
gid_t override_gid;
const char *override_homedir;
uint32_t entry_cache_timeout;
struct sss_domain_info *next;
};
/**
* Initialize the connection to the ConfDB
*
* @param[in] mem_ctx The parent memory context for the confdb_ctx
* @param[out] cdb_ctx The newly-created connection object
* @param[in] confdb_location The absolute path to the ConfDB file on the
* filesystem
*
* @return 0 - Connection succeeded and cdb_ctx was populated
* @return ENOMEM - There was not enough memory to create the cdb_ctx
* @return EIO - There was an I/O error communicating with the ConfDB file
*/
int confdb_init(TALLOC_CTX *mem_ctx,
struct confdb_ctx **cdb_ctx,
const char *confdb_location);
/**
* Get a domain object for the named domain
*
* @param[in] cdb The connection object to the confdb
* @param[in] name The name of the domain to retrieve
* @param[out] domain A pointer to a domain object for the domain given by
* name
*
* @return 0 - Lookup succeeded and domain was populated
* @return ENOMEM - There was insufficient memory to complete the operation
* @return ENOENT - The named domain does not exist or is not set active
*/
int confdb_get_domain(struct confdb_ctx *cdb,
const char *name,
struct sss_domain_info **domain);
/**
* Get a null-terminated linked-list of active domain objects
* @param[in] cdb The connection object to the confdb
* @param[out] domains A pointer to the first entry of a linked-list of domain
* objects
*
* @return 0 - Lookup succeeded and all active domains are in the list
* @return ENOMEM - There was insufficient memory to complete the operation
* @return ENOENT - No active domains are configured
*/
int confdb_get_domains(struct confdb_ctx *cdb,
struct sss_domain_info **domains);
/**
* @brief Add an arbitrary parameter to the confdb.
*
* This is mostly useful
* for testing, as they will not persist between SSSD restarts. For
* persistence, make changes to the sssd.conf file.
*
* @param[in] cdb The connection object to the confdb
* @param[in] replace If replace is set to true, pre-existing values will be
* overwritten.
* If it is false, the provided values will be added to the
* attribute.
* @param[in] section The ConfDB section to update. This is constructed from
* the format of the sssd.conf file. All sections start
* with 'config/'. Subsections are separated by slashes.
* e.g. [domain/LDAP] in sssd.conf would translate to
* config/domain/LDAP
* @param[in] attribute The name of the attribute to update
* @param[in] values A null-terminated array of values to add to the attribute
*
* @return 0 - Successfully added the provided value(s)
* @return ENOMEM - There was insufficient memory to complete the operation
* @return EINVAL - The section could not be parsed
* @return EIO - An I/O error occurred communicating with the ConfDB
*/
int confdb_add_param(struct confdb_ctx *cdb,
bool replace,
const char *section,
const char *attribute,
const char **values);
/**
* @brief Retrieve all values for an attribute
*
* @param[in] cdb The connection object to the confdb
* @param[in] mem_ctx The parent memory context for the value list
* @param[in] section The ConfDB section to update. This is constructed from
* the format of the sssd.conf file. All sections start
* with 'config/'. Subsections are separated by slashes.
* e.g. [domain/LDAP] in sssd.conf would translate to
* config/domain/LDAP
* @param[in] attribute The name of the attribute to update
* @param[out] values A null-terminated array of cstrings containing all
* values for this attribute
*
* @return 0 - Successfully retrieved the value(s)
* @return ENOMEM - There was insufficient memory to complete the operation
* @return EINVAL - The section could not be parsed
* @return EIO - An I/O error occurred while communicating with the ConfDB
*/
int confdb_get_param(struct confdb_ctx *cdb,
TALLOC_CTX *mem_ctx,
const char *section,
const char *attribute,
char ***values);
/**
* @brief Convenience function to retrieve a single-valued attribute as a
* string
*
* @param[in] cdb The connection object to the confdb
* @param[in] ctx The parent memory context for the returned string
* @param[in] section The ConfDB section to update. This is constructed from
* the format of the sssd.conf file. All sections start
* with 'config/'. Subsections are separated by slashes.
* e.g. [domain/LDAP] in sssd.conf would translate to
* config/domain/LDAP
* @param[in] attribute The name of the attribute to update
* @param[in] defstr If not NULL, the string to use if the attribute does not
* exist in the ConfDB
* @param[out] result A pointer to the retrieved (or default) string
*
* @return 0 - Successfully retrieved the entry (or used the default)
* @return ENOMEM - There was insufficient memory to complete the operation
* @return EINVAL - The section could not be parsed, or the attribute was not
* single-valued.
* @return EIO - An I/O error occurred while communicating with the ConfDB
*/
int confdb_get_string(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
const char *section, const char *attribute,
const char *defstr, char **result);
/**
* @brief Convenience function to retrieve a single-valued attribute as an
* integer
*
* @param[in] cdb The connection object to the confdb
* @param[in] ctx The parent memory context for the returned string
* @param[in] section The ConfDB section to update. This is constructed from
* the format of the sssd.conf file. All sections start
* with 'config/'. Subsections are separated by slashes.
* e.g. [domain/LDAP] in sssd.conf would translate to
* config/domain/LDAP
* @param[in] attribute The name of the attribute to update
* @param[in] defval If not NULL, the integer to use if the attribute does not
* exist in the ConfDB
* @param[out] result A pointer to the retrieved (or default) integer
*
* @return 0 - Successfully retrieved the entry (or used the default)
* @return ENOMEM - There was insufficient memory to complete the operation
* @return EINVAL - The section could not be parsed, or the attribute was not
* single-valued.
* @return EIO - An I/O error occurred while communicating with the ConfDB
* @return ERANGE - The value stored in the ConfDB was outside the range
* [INT_MIN..INT_MAX]
*/
int confdb_get_int(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
const char *section, const char *attribute,
int defval, int *result);
/**
* @brief Convenience function to retrieve a single-valued attribute as a
* boolean
*
* This function will read (in a case-insensitive manner) a "true" or "false"
* value from the ConfDB and convert it to an integral bool value.
*
* @param[in] cdb The connection object to the confdb
* @param[in] ctx The parent memory context for the returned string
* @param[in] section The ConfDB section to update. This is constructed from
* the format of the sssd.conf file. All sections start
* with 'config/'. Subsections are separated by slashes.
* e.g. [domain/LDAP] in sssd.conf would translate to
* config/domain/LDAP
* @param[in] attribute The name of the attribute to update
* @param[in] defval If not NULL, the boolean state to use if the attribute
* does not exist in the ConfDB
* @param[out] result A pointer to the retrieved (or default) bool
*
* @return 0 - Successfully retrieved the entry (or used the default)
* @return ENOMEM - There was insufficient memory to complete the operation
* @return EINVAL - The section could not be parsed, the attribute was not
* single-valued, or the value was not a boolean.
* @return EIO - An I/O error occurred while communicating with the ConfDB
*/
int confdb_get_bool(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
const char *section, const char *attribute,
bool defval, bool *result);
/**
* @brief Convenience function to retrieve a single-valued attribute as a
* null-terminated array of strings
*
* This function will automatically split a comma-separated string in an
* attribute into a null-terminated array of strings. This is useful for
* storing and retrieving ordered lists, as ConfDB multivalued attributes do
* not guarantee retrieval order.
*
* @param[in] cdb The connection object to the confdb
* @param[in] ctx The parent memory context for the returned string
* @param[in] section The ConfDB section to update. This is constructed from
* the format of the sssd.conf file. All sections start
* with 'config/'. Subsections are separated by slashes.
* e.g. [domain/LDAP] in sssd.conf would translate to
* config/domain/LDAP
* @param[in] attribute The name of the attribute to update
* @param[out] result A pointer to the retrieved array of strings
*
* @return 0 - Successfully retrieved the entry (or used the default)
* @return ENOMEM - There was insufficient memory to complete the operation
* @return EINVAL - The section could not be parsed, or the attribute was not
* single-valued.
* @return ENOENT - The attribute was not found.
* @return EIO - An I/O error occurred while communicating with the ConfDB
*/
int confdb_get_string_as_list(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
const char *section, const char *attribute,
char ***result);
/**
* @}
*/
#endif