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openldap/servers/slapd/slap.h
Mark Adamson bf1ee530ea Implementation of SASL authorization.
2000-09-21 17:32:54 +00:00

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/* slap.h - stand alone ldap server include file */
/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#ifndef _SLAP_H_
#define _SLAP_H_
#include "ldap_defaults.h"
#include <ac/stdlib.h>
#include <sys/types.h>
#include <ac/syslog.h>
#include <ac/regex.h>
#include <ac/socket.h>
#include <ac/time.h>
#include <ac/param.h>
#include "avl.h"
#ifndef ldap_debug
#define ldap_debug slap_debug
#endif
#include "ldap_log.h"
#include <ldap.h>
#include <ldap_schema.h>
#include "ldap_pvt_thread.h"
#include "ldif.h"
LDAP_BEGIN_DECL
#define SERVICE_NAME OPENLDAP_PACKAGE "-slapd"
#define SLAPD_ANONYMOUS "<anonymous>"
#ifdef f_next
#undef f_next /* name conflict between sys/file.h on SCO and struct filter */
#endif
/* LDAPMod.mod_op value ===> Must be kept in sync with ldap.h!
*
* This is a value used internally by the backends. It is needed to allow
* adding values that already exist without getting an error as required by
* modrdn when the new rdn was already an attribute value itself.
* JCG 05/1999 (gomez@engr.sgi.com)
*/
#define SLAP_MOD_SOFTADD 0x1000
#define ON 1
#define OFF (-1)
#define UNDEFINED 0
#define MAXREMATCHES 10
#define SLAP_MAX_WORKER_THREADS 32
/* psuedo error code indicating abandoned operation */
#define SLAPD_ABANDON (-1)
/* psuedo error code indicating disconnect */
#define SLAPD_DISCONNECT (-2)
/* We assume "C" locale, that is US-ASCII */
#define ASCII_SPACE(c) ( (c) == ' ' )
#define ASCII_LOWER(c) ( (c) >= 'a' && (c) <= 'z' )
#define ASCII_UPPER(c) ( (c) >= 'A' && (c) <= 'Z' )
#define ASCII_ALPHA(c) ( ASCII_LOWER(c) || ASCII_UPPER(c) )
#define ASCII_DIGIT(c) ( (c) >= '0' && (c) <= '9' )
#define ASCII_ALNUM(c) ( ASCII_ALPHA(c) || ASCII_DIGIT(c) )
#define ASCII_PRINTABLE(c) ( (c) >= ' ' && (c) <= '~' )
#define SLAP_NIBBLE(c) ((c)&0x0f)
#define SLAP_ESCAPE_CHAR ('\\')
#define SLAP_ESCAPE_LO(c) ( "0123456789ABCDEF"[SLAP_NIBBLE(c)] )
#define SLAP_ESCAPE_HI(c) ( SLAP_ESCAPE_LO((c)>>4) )
#define FILTER_ESCAPE(c) ( (c) == '*' || (c) == '\\' \
|| (c) == '(' || (c) == ')' || !ASCII_PRINTABLE(c) )
#define DN_SEPARATOR(c) ((c) == ',' || (c) == ';')
#define RDN_SEPARATOR(c) ((c) == ',' || (c) == ';' || (c) == '+')
#define RDN_NEEDSESCAPE(c) ((c) == '\\' || (c) == '"')
#define DESC_LEADCHAR(c) ( ASCII_ALPHA(c) )
#define DESC_CHAR(c) ( ASCII_ALNUM(c) || (c) == '-' )
#define OID_LEADCHAR(c) ( ASCII_DIGIT(c) )
#define OID_SEPARATOR(c) ( (c) == '.' )
#define OID_CHAR(c) ( OID_LEADCHAR(c) || OID_SEPARATOR(c) )
#define ATTR_LEADCHAR(c) ( DESC_LEADCHAR(c) || OID_LEADCHAR(c) )
#define ATTR_CHAR(c) ( DESC_CHAR((c)) || (c) == '.' )
#define AD_LEADCHAR(c) ( ATTR_CHAR(c) )
#define AD_CHAR(c) ( ATTR_CHAR(c) || (c) == ';' )
/* must match in schema_init.c */
#define SLAPD_DN_SYNTAX "1.3.6.1.4.1.1466.115.121.1.12"
#define SLAPD_GROUP_ATTR "member"
#define SLAPD_GROUP_CLASS "groupOfNames"
#define SLAPD_ROLE_ATTR "roleOccupant"
#define SLAPD_ROLE_CLASS "organizationalRole"
#define SLAPD_ACI_SYNTAX "1.3.6.1.4.1.4203.666.2.1"
#define SLAPD_ACI_ATTR "OpenLDAPaci"
#define SLAPD_OCTETSTRING_SYNTAX "1.3.6.1.4.1.1466.115.121.1.40"
/* change this to "OpenLDAPset" */
#define SLAPD_ACI_SET_ATTR "template"
#define SLAPD_TOP_OID "2.5.6.0"
LDAP_SLAPD_F (int) slap_debug;
typedef unsigned long slap_mask_t;
/* Security Strength Factor */
typedef unsigned slap_ssf_t;
typedef struct slap_ssf_set {
slap_ssf_t sss_ssf;
slap_ssf_t sss_transport;
slap_ssf_t sss_tls;
slap_ssf_t sss_sasl;
slap_ssf_t sss_update_ssf;
slap_ssf_t sss_update_transport;
slap_ssf_t sss_update_tls;
slap_ssf_t sss_update_sasl;
} slap_ssf_set_t;
/*
* Index types
*/
#define SLAP_INDEX_TYPE 0x00FFUL
#define SLAP_INDEX_UNDEFINED 0x0001UL
#define SLAP_INDEX_PRESENT 0x0002UL
#define SLAP_INDEX_EQUALITY 0x0004UL
#define SLAP_INDEX_APPROX 0x0008UL
#define SLAP_INDEX_SUBSTR 0x0010UL
#define SLAP_INDEX_EXTENDED 0x0020UL
#define SLAP_INDEX_DEFAULT SLAP_INDEX_EQUALITY
#define IS_SLAP_INDEX(mask, type) (((mask) & (type)) == (type) )
#define SLAP_INDEX_SUBSTR_TYPE 0x0F00UL
#define SLAP_INDEX_SUBSTR_INITIAL ( SLAP_INDEX_SUBSTR | 0x0100UL )
#define SLAP_INDEX_SUBSTR_ANY ( SLAP_INDEX_SUBSTR | 0x0200UL )
#define SLAP_INDEX_SUBSTR_FINAL ( SLAP_INDEX_SUBSTR | 0x0400UL )
#define SLAP_INDEX_SUBSTR_DEFAULT \
( SLAP_INDEX_SUBSTR \
| SLAP_INDEX_SUBSTR_INITIAL \
| SLAP_INDEX_SUBSTR_ANY \
| SLAP_INDEX_SUBSTR_FINAL )
#define SLAP_INDEX_SUBSTR_MINLEN 2
#define SLAP_INDEX_SUBSTR_MAXLEN 4
#define SLAP_INDEX_SUBSTR_STEP 2
#define SLAP_INDEX_FLAGS 0xF000UL
#define SLAP_INDEX_SUBTYPES 0x1000UL /* use index with subtypes */
#define SLAP_INDEX_AUTO_SUBTYPES 0x2000UL /* use mask with subtypes */
#define SLAP_INDEX_LANG 0x4000UL /* use index with lang subtypes */
#define SLAP_INDEX_AUTO_LANG 0x8000UL /* use mask with lang subtypes */
/*
* there is a single index for each attribute. these prefixes ensure
* that there is no collision among keys.
*/
#define SLAP_INDEX_EQUALITY_PREFIX '=' /* prefix for equality keys */
#define SLAP_INDEX_APPROX_PREFIX '~' /* prefix for approx keys */
#define SLAP_INDEX_SUBSTR_PREFIX '*' /* prefix for substring keys */
#define SLAP_INDEX_SUBSTR_INITIAL_PREFIX '^'
#define SLAP_INDEX_SUBSTR_FINAL_PREFIX '$'
#define SLAP_INDEX_CONT_PREFIX '.' /* prefix for continuation keys */
#define SLAP_INDEX_UNKNOWN_PREFIX '?' /* prefix for unknown keys */
#define SLAP_SYNTAX_MATCHINGRULES_OID "1.3.6.1.4.1.1466.115.121.1.30"
#define SLAP_SYNTAX_ATTRIBUTETYPES_OID "1.3.6.1.4.1.1466.115.121.1.3"
#define SLAP_SYNTAX_OBJECTCLASSES_OID "1.3.6.1.4.1.1466.115.121.1.37"
/*
* represents schema information for a database
*/
#define SLAP_SCHERR_OUTOFMEM 1
#define SLAP_SCHERR_CLASS_NOT_FOUND 2
#define SLAP_SCHERR_ATTR_NOT_FOUND 3
#define SLAP_SCHERR_DUP_CLASS 4
#define SLAP_SCHERR_DUP_ATTR 5
#define SLAP_SCHERR_DUP_SYNTAX 6
#define SLAP_SCHERR_DUP_RULE 7
#define SLAP_SCHERR_NO_NAME 8
#define SLAP_SCHERR_ATTR_INCOMPLETE 9
#define SLAP_SCHERR_MR_NOT_FOUND 10
#define SLAP_SCHERR_SYN_NOT_FOUND 11
#define SLAP_SCHERR_MR_INCOMPLETE 12
typedef struct slap_oid_macro {
struct berval som_oid;
char **som_names;
struct slap_oid_macro *som_next;
} OidMacro;
/* forward declarations */
struct slap_syntax;
struct slap_matching_rule;
typedef int slap_syntax_validate_func LDAP_P((
struct slap_syntax *syntax,
struct berval * in));
typedef int slap_syntax_transform_func LDAP_P((
struct slap_syntax *syntax,
struct berval * in,
struct berval ** out));
typedef struct slap_syntax {
LDAPSyntax ssyn_syn;
#define ssyn_oid ssyn_syn.syn_oid
#define ssyn_desc ssyn_syn.syn_desc
#define ssyn_extensions ssyn_syn.syn_extensions
unsigned ssyn_flags;
#define SLAP_SYNTAX_NONE 0x00U
#define SLAP_SYNTAX_BLOB 0x01U /* syntax treated as blob (audio) */
#define SLAP_SYNTAX_BINARY 0x02U /* binary transfer required (certificate) */
#define SLAP_SYNTAX_BER 0x04U /* stored using BER encoding (binary,certificate) */
#define SLAP_SYNTAX_HIDE 0x80U /* hide (do not publish) */
slap_syntax_validate_func *ssyn_validate;
slap_syntax_transform_func *ssyn_normalize;
slap_syntax_transform_func *ssyn_pretty;
#ifdef SLAPD_BINARY_CONVERSION
/* convert to and from binary */
slap_syntax_transform_func *ssyn_ber2str;
slap_syntax_transform_func *ssyn_str2ber;
#endif
struct slap_syntax *ssyn_next;
} Syntax;
#define slap_syntax_is_flag(s,flag) ((int)((s)->ssyn_flags & (flag)) ? 1 : 0)
#define slap_syntax_is_blob(s) slap_syntax_is_flag((s),SLAP_SYNTAX_BLOB)
#define slap_syntax_is_binary(s) slap_syntax_is_flag((s),SLAP_SYNTAX_BINARY)
#define slap_syntax_is_ber(s) slap_syntax_is_flag((s),SLAP_SYNTAX_BER)
#define slap_syntax_is_hidden(s) slap_syntax_is_flag((s),SLAP_SYNTAX_HIDE)
/* X -> Y Converter */
typedef int slap_mr_convert_func LDAP_P((
struct berval * in,
struct berval ** out ));
/* Normalizer */
typedef int slap_mr_normalize_func LDAP_P((
slap_mask_t use,
struct slap_syntax *syntax, /* NULL if in is asserted value */
struct slap_matching_rule *mr,
struct berval * in,
struct berval ** out ));
/* Match (compare) function */
typedef int slap_mr_match_func LDAP_P((
int *match,
slap_mask_t use,
struct slap_syntax *syntax, /* syntax of stored value */
struct slap_matching_rule *mr,
struct berval * value,
void * assertValue ));
/* Index generation function */
typedef int slap_mr_indexer_func LDAP_P((
slap_mask_t use,
slap_mask_t mask,
struct slap_syntax *syntax, /* syntax of stored value */
struct slap_matching_rule *mr,
struct berval *prefix,
struct berval **values,
struct berval ***keys ));
/* Filter index function */
typedef int slap_mr_filter_func LDAP_P((
slap_mask_t use,
slap_mask_t mask,
struct slap_syntax *syntax, /* syntax of stored value */
struct slap_matching_rule *mr,
struct berval *prefix,
void * assertValue,
struct berval ***keys ));
typedef struct slap_matching_rule {
LDAPMatchingRule smr_mrule;
slap_mask_t smr_usage;
#define SLAP_MR_TYPE_MASK 0xFF00U
#define SLAP_MR_SUBTYPE_MASK 0x00F0U
#define SLAP_MR_USAGE 0x000FU
#define SLAP_MR_NONE 0x0000U
#define SLAP_MR_EQUALITY 0x0100U
#define SLAP_MR_ORDERING 0x0200U
#define SLAP_MR_SUBSTR 0x0400U
#define SLAP_MR_EXT 0x0800U
#define SLAP_MR_EQUALITY_APPROX ( SLAP_MR_EQUALITY | 0x0010U )
#define SLAP_MR_SUBSTR_INITIAL ( SLAP_MR_SUBSTR | 0x0010U )
#define SLAP_MR_SUBSTR_ANY ( SLAP_MR_SUBSTR | 0x0020U )
#define SLAP_MR_SUBSTR_FINAL ( SLAP_MR_SUBSTR | 0x0040U )
/* this is used to kludge objectClass testing */
#define SLAP_MR_MODIFY_MATCHING 0x0001U
Syntax *smr_syntax;
slap_mr_convert_func *smr_convert;
slap_mr_normalize_func *smr_normalize;
slap_mr_match_func *smr_match;
slap_mr_indexer_func *smr_indexer;
slap_mr_filter_func *smr_filter;
struct slap_matching_rule *smr_associated;
struct slap_matching_rule *smr_next;
#define smr_oid smr_mrule.mr_oid
#define smr_names smr_mrule.mr_names
#define smr_desc smr_mrule.mr_desc
#define smr_obsolete smr_mrule.mr_obsolete
#define smr_syntax_oid smr_mrule.mr_syntax_oid
#define smr_extensions smr_mrule.mr_extensions
} MatchingRule;
typedef struct slap_attribute_type {
char *sat_cname;
LDAPAttributeType sat_atype;
struct slap_attribute_type *sat_sup;
struct slap_attribute_type **sat_subtypes;
MatchingRule *sat_equality;
MatchingRule *sat_approx;
MatchingRule *sat_ordering;
MatchingRule *sat_substr;
Syntax *sat_syntax;
struct slap_attribute_type *sat_next;
#define sat_oid sat_atype.at_oid
#define sat_names sat_atype.at_names
#define sat_desc sat_atype.at_desc
#define sat_obsolete sat_atype.at_obsolete
#define sat_sup_oid sat_atype.at_sup_oid
#define sat_equality_oid sat_atype.at_equality_oid
#define sat_ordering_oid sat_atype.at_ordering_oid
#define sat_substr_oid sat_atype.at_substr_oid
#define sat_syntax_oid sat_atype.at_syntax_oid
#define sat_single_value sat_atype.at_single_value
#define sat_collective sat_atype.at_collective
#define sat_no_user_mod sat_atype.at_no_user_mod
#define sat_usage sat_atype.at_usage
#define sat_extensions sat_atype.at_extensions
} AttributeType;
#define is_at_operational(at) ((at)->sat_usage)
#define is_at_single_value(at) ((at)->sat_single_value)
#define is_at_collective(at) ((at)->sat_collective)
#define is_at_no_user_mod(at) ((at)->sat_no_user_mod)
typedef struct slap_object_class {
LDAPObjectClass soc_oclass;
struct slap_object_class **soc_sups;
AttributeType **soc_required;
AttributeType **soc_allowed;
struct slap_object_class *soc_next;
#define soc_oid soc_oclass.oc_oid
#define soc_names soc_oclass.oc_names
#define soc_desc soc_oclass.oc_desc
#define soc_obsolete soc_oclass.oc_obsolete
#define soc_sup_oids soc_oclass.oc_sup_oids
#define soc_kind soc_oclass.oc_kind
#define soc_at_oids_must soc_oclass.oc_at_oids_must
#define soc_at_oids_may soc_oclass.oc_at_oids_may
#define soc_extensions soc_oclass.oc_extensions
} ObjectClass;
/*
* represents a recognized attribute description ( type + options )
*/
typedef struct slap_attr_desc {
struct berval *ad_cname; /* canonical name, must be specified */
AttributeType *ad_type; /* attribute type, must be specified */
char *ad_lang; /* NULL if no language tags */
unsigned ad_flags;
#define SLAP_DESC_NONE 0x0U
#define SLAP_DESC_BINARY 0x1U
} AttributeDescription;
#define slap_ad_is_lang(ad) ( (ad)->ad_lang != NULL )
#define slap_ad_is_binary(ad) ( (int)((ad)->ad_flags & SLAP_DESC_BINARY) ? 1 : 0 )
/*
* pointers to schema elements used internally
*/
struct slap_internal_schema {
/* objectClass */
ObjectClass *si_oc_top;
ObjectClass *si_oc_extensibleObject;
ObjectClass *si_oc_alias;
ObjectClass *si_oc_referral;
ObjectClass *si_oc_subentry;
ObjectClass *si_oc_subschema;
ObjectClass *si_oc_rootdse;
/* objectClass attribute descriptions */
AttributeDescription *si_ad_objectClass;
/* operational attribute descriptions */
AttributeDescription *si_ad_structuralObjectClass;
AttributeDescription *si_ad_creatorsName;
AttributeDescription *si_ad_createTimestamp;
AttributeDescription *si_ad_modifiersName;
AttributeDescription *si_ad_modifyTimestamp;
AttributeDescription *si_ad_subschemaSubentry;
/* root DSE attribute descriptions */
AttributeDescription *si_ad_namingContexts;
AttributeDescription *si_ad_supportedControl;
AttributeDescription *si_ad_supportedExtension;
AttributeDescription *si_ad_supportedLDAPVersion;
AttributeDescription *si_ad_supportedSASLMechanisms;
/* subschema subentry attribute descriptions */
AttributeDescription *si_ad_objectClasses;
AttributeDescription *si_ad_attributeTypes;
AttributeDescription *si_ad_ldapSyntaxes;
AttributeDescription *si_ad_matchingRules;
AttributeDescription *si_ad_matchingRulesUse;
/* Aliases & Referrals */
AttributeDescription *si_ad_aliasedObjectName;
AttributeDescription *si_ad_ref;
/* Access Control Internals */
AttributeDescription *si_ad_entry;
AttributeDescription *si_ad_children;
#ifdef SLAPD_ACI_ENABLED
AttributeDescription *si_ad_aci;
#endif
/* Other attributes descriptions */
AttributeDescription *si_ad_userPassword;
AttributeDescription *si_ad_authPassword;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
AttributeDescription *si_ad_krbName;
#endif
/* Undefined Attribute Type */
AttributeType *si_at_undefined;
};
typedef struct slap_attr_assertion {
AttributeDescription *aa_desc;
struct berval *aa_value;
} AttributeAssertion;
typedef struct slap_ss_assertion {
AttributeDescription *sa_desc;
struct berval *sa_initial;
struct berval **sa_any;
struct berval *sa_final;
} SubstringsAssertion;
typedef struct slap_mr_assertion {
char *ma_rule; /* optional */
AttributeDescription *ma_desc; /* optional */
int ma_dnattrs; /* boolean */
struct berval *ma_value; /* required */
} MatchingRuleAssertion;
/*
* represents a search filter
*/
typedef struct slap_filter {
ber_tag_t f_choice; /* values taken from ldap.h, plus: */
#define SLAPD_FILTER_COMPUTED ((ber_tag_t) -1)
#define SLAPD_FILTER_DN_ONE ((ber_tag_t) -2)
#define SLAPD_FILTER_DN_SUBTREE ((ber_tag_t) -3)
union f_un_u {
/* precomputed result */
ber_int_t f_un_result;
/* DN */
char *f_un_dn;
/* present */
AttributeDescription *f_un_desc;
/* simple value assertion */
AttributeAssertion *f_un_ava;
/* substring assertion */
SubstringsAssertion *f_un_ssa;
/* matching rule assertion */
MatchingRuleAssertion *f_un_mra;
#define f_dn f_un.f_un_dn
#define f_desc f_un.f_un_desc
#define f_ava f_un.f_un_ava
#define f_av_desc f_un.f_un_ava->aa_desc
#define f_av_value f_un.f_un_ava->aa_value
#define f_sub f_un.f_un_ssa
#define f_sub_desc f_un.f_un_ssa->sa_desc
#define f_sub_initial f_un.f_un_ssa->sa_initial
#define f_sub_any f_un.f_un_ssa->sa_any
#define f_sub_final f_un.f_un_ssa->sa_final
#define f_mra f_un.f_un_mra
#define f_mr_rule f_un.f_un_mra->ma_rule
#define f_mr_desc f_un.f_un_mra->ma_desc
#define f_mr_value f_un.f_un_mra->ma_value
#define f_mr_dnaddrs f_un.f_un_mra->ma_dnattrs
/* and, or, not */
struct slap_filter *f_un_complex;
} f_un;
#define f_result f_un.f_un_result
#define f_and f_un.f_un_complex
#define f_or f_un.f_un_complex
#define f_not f_un.f_un_complex
#define f_list f_un.f_un_complex
struct slap_filter *f_next;
} Filter;
/* compare routines can return undefined */
#define SLAPD_COMPARE_UNDEFINED ((ber_int_t) -1)
/*
* represents an attribute (description + values)
*/
typedef struct slap_attr {
AttributeDescription *a_desc;
struct berval **a_vals;
struct slap_attr *a_next;
} Attribute;
/*
* the id used in the indexes to refer to an entry
*/
typedef unsigned long ID;
#define NOID ((ID)~0)
/*
* represents an entry in core
*/
typedef struct slap_entry {
/*
* The ID field should only be changed before entry is
* inserted into a cache. The ID value is backend
* specific.
*/
ID e_id;
char *e_dn; /* DN of this entry */
char *e_ndn; /* normalized DN of this entry */
Attribute *e_attrs; /* list of attributes + values */
/* for use by the backend for any purpose */
void* e_private;
} Entry;
/*
* A list of LDAPMods
*/
typedef struct slap_mod {
int sm_op;
AttributeDescription *sm_desc;
struct berval **sm_bvalues;
} Modification;
typedef struct slap_mod_list {
Modification sml_mod;
#define sml_op sml_mod.sm_op
#define sml_desc sml_mod.sm_desc
#define sml_bvalues sml_mod.sm_bvalues
struct slap_mod_list *sml_next;
} Modifications;
typedef struct slap_ldap_modlist {
LDAPMod ml_mod;
struct slap_ldap_modlist *ml_next;
#define ml_op ml_mod.mod_op
#define ml_type ml_mod.mod_type
#define ml_values ml_mod.mod_values
#define ml_bvalues ml_mod.mod_bvalues
} LDAPModList;
/*
* represents an access control list
*/
typedef enum slap_access_e {
ACL_INVALID_ACCESS = -1,
ACL_NONE = 0,
ACL_AUTH,
ACL_COMPARE,
ACL_SEARCH,
ACL_READ,
ACL_WRITE
} slap_access_t;
typedef enum slap_control_e {
ACL_INVALID_CONTROL = 0,
ACL_STOP,
ACL_CONTINUE,
ACL_BREAK
} slap_control_t;
typedef enum slap_style_e {
ACL_STYLE_REGEX = 0,
ACL_STYLE_BASE,
ACL_STYLE_ONE,
ACL_STYLE_SUBTREE,
ACL_STYLE_CHILDREN,
ACL_STYLE_ATTROF,
/* alternate names */
ACL_STYLE_EXACT = ACL_STYLE_BASE
} slap_style_t;
typedef struct slap_authz_info {
ber_tag_t sai_method; /* LDAP_AUTH_* from <ldap.h> */
char * sai_mech; /* SASL Mechanism */
char * sai_dn; /* DN for reporting purposes */
char * sai_ndn; /* Normalized DN */
/* Security Strength Factors */
slap_ssf_t sai_ssf; /* Overall SSF */
slap_ssf_t sai_transport_ssf; /* Transport SSF */
slap_ssf_t sai_tls_ssf; /* TLS SSF */
slap_ssf_t sai_sasl_ssf; /* SASL SSF */
} AuthorizationInformation;
/* the "by" part */
typedef struct slap_access {
slap_control_t a_type;
#define ACL_ACCESS2PRIV(access) (0x01U << (access))
#define ACL_PRIV_NONE ACL_ACCESS2PRIV( ACL_NONE )
#define ACL_PRIV_AUTH ACL_ACCESS2PRIV( ACL_AUTH )
#define ACL_PRIV_COMPARE ACL_ACCESS2PRIV( ACL_COMPARE )
#define ACL_PRIV_SEARCH ACL_ACCESS2PRIV( ACL_SEARCH )
#define ACL_PRIV_READ ACL_ACCESS2PRIV( ACL_READ )
#define ACL_PRIV_WRITE ACL_ACCESS2PRIV( ACL_WRITE )
#define ACL_PRIV_MASK 0x00ffUL
/* priv flags */
#define ACL_PRIV_LEVEL 0x1000UL
#define ACL_PRIV_ADDITIVE 0x2000UL
#define ACL_PRIV_SUBSTRACTIVE 0x4000UL
/* invalid privs */
#define ACL_PRIV_INVALID 0x0UL
#define ACL_PRIV_ISSET(m,p) (((m) & (p)) == (p))
#define ACL_PRIV_ASSIGN(m,p) do { (m) = (p); } while(0)
#define ACL_PRIV_SET(m,p) do { (m) |= (p); } while(0)
#define ACL_PRIV_CLR(m,p) do { (m) &= ~(p); } while(0)
#define ACL_INIT(m) ACL_PRIV_ASSIGN(m, ACL_PRIV_NONE)
#define ACL_INVALIDATE(m) ACL_PRIV_ASSIGN(m, ACL_PRIV_INVALID)
#define ACL_GRANT(m,a) ACL_PRIV_ISSET((m),ACL_ACCESS2PRIV(a))
#define ACL_IS_INVALID(m) ((m) == ACL_PRIV_INVALID)
#define ACL_IS_LEVEL(m) ACL_PRIV_ISSET((m),ACL_PRIV_LEVEL)
#define ACL_IS_ADDITIVE(m) ACL_PRIV_ISSET((m),ACL_PRIV_ADDITIVE)
#define ACL_IS_SUBTRACTIVE(m) ACL_PRIV_ISSET((m),ACL_PRIV_SUBSTRACTIVE)
#define ACL_LVL_NONE (ACL_PRIV_NONE|ACL_PRIV_LEVEL)
#define ACL_LVL_AUTH (ACL_PRIV_AUTH|ACL_LVL_NONE)
#define ACL_LVL_COMPARE (ACL_PRIV_COMPARE|ACL_LVL_AUTH)
#define ACL_LVL_SEARCH (ACL_PRIV_SEARCH|ACL_LVL_COMPARE)
#define ACL_LVL_READ (ACL_PRIV_READ|ACL_LVL_SEARCH)
#define ACL_LVL_WRITE (ACL_PRIV_WRITE|ACL_LVL_READ)
#define ACL_LVL(m,l) (((m)&ACL_PRIV_MASK) == ((l)&ACL_PRIV_MASK))
#define ACL_LVL_IS_NONE(m) ACL_LVL((m),ACL_LVL_NONE)
#define ACL_LVL_IS_AUTH(m) ACL_LVL((m),ACL_LVL_AUTH)
#define ACL_LVL_IS_COMPARE(m) ACL_LVL((m),ACL_LVL_COMPARE)
#define ACL_LVL_IS_SEARCH(m) ACL_LVL((m),ACL_LVL_SEARCH)
#define ACL_LVL_IS_READ(m) ACL_LVL((m),ACL_LVL_READ)
#define ACL_LVL_IS_WRITE(m) ACL_LVL((m),ACL_LVL_WRITE)
#define ACL_LVL_ASSIGN_NONE(m) ACL_PRIV_ASSIGN((m),ACL_LVL_NONE)
#define ACL_LVL_ASSIGN_AUTH(m) ACL_PRIV_ASSIGN((m),ACL_LVL_AUTH)
#define ACL_LVL_ASSIGN_COMPARE(m) ACL_PRIV_ASSIGN((m),ACL_LVL_COMPARE)
#define ACL_LVL_ASSIGN_SEARCH(m) ACL_PRIV_ASSIGN((m),ACL_LVL_SEARCH)
#define ACL_LVL_ASSIGN_READ(m) ACL_PRIV_ASSIGN((m),ACL_LVL_READ)
#define ACL_LVL_ASSIGN_WRITE(m) ACL_PRIV_ASSIGN((m),ACL_LVL_WRITE)
slap_mask_t a_access_mask;
AuthorizationInformation a_authz;
#define a_dn_pat a_authz.sai_dn
slap_style_t a_dn_style;
AttributeDescription *a_dn_at;
int a_dn_self;
slap_style_t a_peername_style;
char *a_peername_pat;
slap_style_t a_sockname_style;
char *a_sockname_pat;
slap_style_t a_domain_style;
char *a_domain_pat;
slap_style_t a_sockurl_style;
char *a_sockurl_pat;
slap_style_t a_set_style;
char *a_set_pat;
#ifdef SLAPD_ACI_ENABLED
AttributeDescription *a_aci_at;
#endif
/* ACL Groups */
slap_style_t a_group_style;
char *a_group_pat;
ObjectClass *a_group_oc;
AttributeDescription *a_group_at;
struct slap_access *a_next;
} Access;
/* the "to" part */
typedef struct slap_acl {
/* "to" part: the entries this acl applies to */
Filter *acl_filter;
slap_style_t acl_dn_style;
regex_t acl_dn_re;
char *acl_dn_pat;
char **acl_attrs;
/* "by" part: list of who has what access to the entries */
Access *acl_access;
struct slap_acl *acl_next;
} AccessControl;
/*
* replog moddn param structure
*/
struct replog_moddn {
char *newrdn;
int deloldrdn;
char *newsup;
};
/*
* Backend-info
* represents a backend
*/
typedef struct slap_backend_info BackendInfo; /* per backend type */
typedef struct slap_backend_db BackendDB; /* per backend database */
LDAP_SLAPD_F (int) nBackendInfo;
LDAP_SLAPD_F (int) nBackendDB;
LDAP_SLAPD_F (BackendInfo *) backendInfo;
LDAP_SLAPD_F (BackendDB *) backendDB;
LDAP_SLAPD_F (int) slapMode;
#define SLAP_UNDEFINED_MODE 0x0000
#define SLAP_SERVER_MODE 0x0001
#define SLAP_TOOL_MODE 0x0002
#define SLAP_MODE 0x0003
#define SLAP_TRUNCATE_MODE 0x0100
/* temporary aliases */
typedef BackendDB Backend;
#define nbackends nBackendDB
#define backends backendDB
struct slap_backend_db {
BackendInfo *bd_info; /* pointer to shared backend info */
/* BackendInfo accessors */
#define be_config bd_info->bi_db_config
#define be_type bd_info->bi_type
#define be_bind bd_info->bi_op_bind
#define be_unbind bd_info->bi_op_unbind
#define be_add bd_info->bi_op_add
#define be_compare bd_info->bi_op_compare
#define be_delete bd_info->bi_op_delete
#define be_modify bd_info->bi_op_modify
#define be_modrdn bd_info->bi_op_modrdn
#define be_search bd_info->bi_op_search
#define be_extended bd_info->bi_extended
#define be_release bd_info->bi_entry_release_rw
#define be_chk_referrals bd_info->bi_chk_referrals
#define be_group bd_info->bi_acl_group
#define be_attribute bd_info->bi_acl_attribute
#define be_controls bd_info->bi_controls
#define be_connection_init bd_info->bi_connection_init
#define be_connection_destroy bd_info->bi_connection_destroy
#ifdef SLAPD_TOOLS
#define be_entry_open bd_info->bi_tool_entry_open
#define be_entry_close bd_info->bi_tool_entry_close
#define be_entry_first bd_info->bi_tool_entry_first
#define be_entry_next bd_info->bi_tool_entry_next
#define be_entry_reindex bd_info->bi_tool_entry_reindex
#define be_entry_get bd_info->bi_tool_entry_get
#define be_entry_put bd_info->bi_tool_entry_put
#define be_sync bd_info->bi_tool_sync
#endif
slap_mask_t be_restrictops; /* restriction operations */
#define SLAP_RESTRICT_OP_ADD 0x0001U
#define SLAP_RESTRICT_OP_BIND 0x0002U
#define SLAP_RESTRICT_OP_COMPARE 0x0004U
#define SLAP_RESTRICT_OP_DELETE 0x0008U
#define SLAP_RESTRICT_OP_EXTENDED 0x0010U
#define SLAP_RESTRICT_OP_MODIFY 0x0020U
#define SLAP_RESTRICT_OP_RENAME 0x0040U
#define SLAP_RESTRICT_OP_SEARCH 0x0080U
#define SLAP_RESTRICT_OP_READS \
( SLAP_RESTRICT_OP_COMPARE \
| SLAP_RESTRICT_OP_SEARCH )
#define SLAP_RESTRICT_OP_WRITES \
( SLAP_RESTRICT_OP_ADD \
| SLAP_RESTRICT_OP_DELETE \
| SLAP_RESTRICT_OP_MODIFY \
| SLAP_RESTRICT_OP_RENAME )
#define SLAP_ALLOW_TLS_2_ANON 0x0001U /* StartTLS -> Anonymous */
#define SLAP_DISALLOW_BIND_V2 0x0001U /* LDAPv2 bind */
#define SLAP_DISALLOW_BIND_ANON 0x0002U /* no anonymous */
#define SLAP_DISALLOW_BIND_ANON_CRED \
0x0004U /* cred should be empty */
#define SLAP_DISALLOW_BIND_ANON_DN \
0x0008U /* dn should be empty */
#define SLAP_DISALLOW_BIND_SIMPLE 0x0010U /* simple authentication */
#define SLAP_DISALLOW_BIND_KRBV4 0x0020U /* Kerberos V4 authentication */
#define SLAP_DISALLOW_TLS_AUTHC 0x0100U /* TLS while authenticated */
slap_mask_t be_requires; /* pre-operation requirements */
#define SLAP_REQUIRE_BIND 0x0001U /* bind before op */
#define SLAP_REQUIRE_LDAP_V3 0x0002U /* LDAPv3 before op */
#define SLAP_REQUIRE_AUTHC 0x0004U /* authentication before op */
#define SLAP_REQUIRE_SASL 0x0008U /* SASL before op */
#define SLAP_REQUIRE_STRONG 0x0010U /* strong authentication before op */
/* Required Security Strength Factor */
slap_ssf_set_t be_ssf_set;
/* these should be renamed from be_ to bd_ */
char **be_suffix; /* the DN suffixes of data in this backend */
char **be_nsuffix; /* the normalized DN suffixes in this backend */
char **be_suffixAlias; /* pairs of DN suffix aliases and deref values */
char *be_root_dn; /* the magic "root" dn for this db */
char *be_root_ndn; /* the magic "root" normalized dn for this db */
struct berval be_root_pw; /* the magic "root" password for this db */
unsigned int be_max_deref_depth; /* limit for depth of an alias deref */
int be_sizelimit; /* size limit for this backend */
int be_timelimit; /* time limit for this backend */
AccessControl *be_acl; /* access control list for this backend */
slap_access_t be_dfltaccess; /* access given if no acl matches */
char **be_replica; /* replicas of this backend (in master) */
char *be_replogfile; /* replication log file (in master) */
char *be_update_ndn; /* allowed to make changes (in replicas) */
struct berval **be_update_refs; /* where to refer modifying clients to */
int be_lastmod; /* keep track of lastmodified{by,time} */
char *be_realm;
void *be_private; /* anything the backend database needs */
};
struct slap_conn;
struct slap_op;
typedef int (*SLAP_EXTENDED_FN) LDAP_P((
Backend *be,
struct slap_conn *conn,
struct slap_op *op,
const char *reqoid,
struct berval * reqdata,
char **rspoid,
struct berval ** rspdata,
LDAPControl *** rspctrls,
const char ** text,
struct berval *** refs ));
struct slap_backend_info {
char *bi_type; /* type of backend */
/*
* per backend type routines:
* bi_init: called to allocate a backend_info structure,
* called once BEFORE configuration file is read.
* bi_init() initializes this structure hence is
* called directly from be_initialize()
* bi_config: called per 'backend' specific option
* all such options must before any 'database' options
* bi_config() is called only from read_config()
* bi_open: called to open each database, called
* once AFTER configuration file is read but
* BEFORE any bi_db_open() calls.
* bi_open() is called from backend_startup()
* bi_close: called to close each database, called
* once during shutdown after all bi_db_close calls.
* bi_close() is called from backend_shutdown()
* bi_destroy: called to destroy each database, called
* once during shutdown after all bi_db_destroy calls.
* bi_destory() is called from backend_destroy()
*/
int (*bi_init) LDAP_P((BackendInfo *bi));
int (*bi_config) LDAP_P((BackendInfo *bi,
const char *fname, int lineno, int argc, char **argv ));
int (*bi_open) LDAP_P((BackendInfo *bi));
int (*bi_close) LDAP_P((BackendInfo *bi));
int (*bi_destroy) LDAP_P((BackendInfo *bi));
/*
* per database routines:
* bi_db_init: called to initialize each database,
* called upon reading 'database <type>'
* called only from backend_db_init()
* bi_db_config: called to configure each database,
* called per database to handle per database options
* called only from read_config()
* bi_db_open: called to open each database
* called once per database immediately AFTER bi_open()
* calls but before daemon startup.
* called only by backend_startup()
* bi_db_close: called to close each database
* called once per database during shutdown but BEFORE
* any bi_close call.
* called only by backend_shutdown()
* bi_db_destroy: called to destroy each database
* called once per database during shutdown AFTER all
* bi_close calls but before bi_destory calls.
* called only by backend_destory()
*/
int (*bi_db_init) LDAP_P((Backend *bd));
int (*bi_db_config) LDAP_P((Backend *bd,
const char *fname, int lineno, int argc, char **argv ));
int (*bi_db_open) LDAP_P((Backend *bd));
int (*bi_db_close) LDAP_P((Backend *bd));
int (*bi_db_destroy) LDAP_P((Backend *db));
/* LDAP Operations Handling Routines */
int (*bi_op_bind) LDAP_P(( BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
const char *dn, const char *ndn, int method,
struct berval *cred, char** edn ));
int (*bi_op_unbind) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o ));
int (*bi_op_search) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
const char *base, const char *nbase,
int scope, int deref,
int slimit, int tlimit,
Filter *f, const char *filterstr,
char **attrs, int attrsonly));
int (*bi_op_compare)LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
const char *dn, const char *ndn,
AttributeAssertion *ava));
int (*bi_op_modify) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
const char *dn, const char *ndn, Modifications *m));
int (*bi_op_modrdn) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
const char *dn, const char *ndn,
const char *newrdn, int deleteoldrdn,
const char *newSuperior));
int (*bi_op_add) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
Entry *e));
int (*bi_op_delete) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
const char *dn, const char *ndn));
int (*bi_op_abandon) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
ber_int_t msgid));
/* Extended Operations Helper */
SLAP_EXTENDED_FN bi_extended;
/* Auxilary Functions */
int (*bi_entry_release_rw) LDAP_P((BackendDB *bd, Entry *e, int rw));
int (*bi_chk_referrals) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
const char *dn, const char *ndn,
const char **text ));
int (*bi_acl_group) LDAP_P((Backend *bd,
Entry *e, const char *bdn, const char *edn,
ObjectClass *group_oc,
AttributeDescription *group_at ));
int (*bi_acl_attribute) LDAP_P((Backend *bd,
struct slap_conn *c, struct slap_op *o,
Entry *e, const char *edn,
AttributeDescription *entry_at,
struct berval ***vals ));
int (*bi_connection_init) LDAP_P((BackendDB *bd,
struct slap_conn *c));
int (*bi_connection_destroy) LDAP_P((BackendDB *bd,
struct slap_conn *c));
/* hooks for slap tools */
int (*bi_tool_entry_open) LDAP_P(( BackendDB *be, int mode ));
int (*bi_tool_entry_close) LDAP_P(( BackendDB *be ));
ID (*bi_tool_entry_first) LDAP_P(( BackendDB *be ));
ID (*bi_tool_entry_next) LDAP_P(( BackendDB *be ));
Entry* (*bi_tool_entry_get) LDAP_P(( BackendDB *be, ID id ));
ID (*bi_tool_entry_put) LDAP_P(( BackendDB *be, Entry *e ));
int (*bi_tool_entry_reindex) LDAP_P(( BackendDB *be, ID id ));
int (*bi_tool_sync) LDAP_P(( BackendDB *be ));
#define SLAP_INDEX_ADD_OP 0x0001
#define SLAP_INDEX_DELETE_OP 0x0002
char **bi_controls; /* supported controls */
unsigned int bi_nDB; /* number of databases of this type */
void *bi_private; /* anything the backend type needs */
};
#define c_authtype c_authz.sai_method
#define c_authmech c_authz.sai_mech
#define c_dn c_authz.sai_dn
#define c_ssf c_authz.sai_ssf
#define c_transport_ssf c_authz.sai_transport_ssf
#define c_tls_ssf c_authz.sai_tls_ssf
#define c_sasl_ssf c_authz.sai_sasl_ssf
#define o_authtype o_authz.sai_method
#define o_authmech o_authz.sai_mech
#define o_dn o_authz.sai_dn
#define o_ndn o_authz.sai_ndn
#define o_ssf o_authz.sai_ssf
#define o_transport_ssf o_authz.sai_transport_ssf
#define o_tls_ssf o_authz.sai_tls_ssf
#define o_sasl_ssf o_authz.sai_sasl_ssf
/*
* represents an operation pending from an ldap client
*/
typedef struct slap_op {
ber_int_t o_opid; /* id of this operation */
ber_int_t o_msgid; /* msgid of the request */
ldap_pvt_thread_t o_tid; /* thread handling this op */
BerElement *o_ber; /* ber of the request */
ber_tag_t o_tag; /* tag of the request */
time_t o_time; /* time op was initiated */
AuthorizationInformation o_authz;
ber_int_t o_protocol; /* version of the LDAP protocol used by client */
LDAPControl **o_ctrls; /* controls */
unsigned long o_connid; /* id of conn initiating this op */
ldap_pvt_thread_mutex_t o_abandonmutex; /* protects o_abandon */
int o_abandon; /* abandon flag */
struct slap_op *o_next; /* next operation in list */
void *o_private; /* anything the backend needs */
} Operation;
/*
* represents a connection from an ldap client
*/
typedef struct slap_conn {
int c_struct_state; /* structure management state */
int c_conn_state; /* connection state */
ldap_pvt_thread_mutex_t c_mutex; /* protect the connection */
Sockbuf *c_sb; /* ber connection stuff */
/* only can be changed by connect_init */
time_t c_starttime; /* when the connection was opened */
time_t c_activitytime; /* when the connection was last used */
unsigned long c_connid; /* id of this connection for stats*/
char *c_listener_url; /* listener URL */
char *c_peer_domain; /* DNS name of client */
char *c_peer_name; /* peer name (trans=addr:port) */
char *c_sock_name; /* sock name (trans=addr:port) */
/* only can be changed by binding thread */
int c_sasl_bind_in_progress; /* multi-op bind in progress */
char *c_sasl_bind_mech; /* mech in progress */
char *c_cdn;
/* authentication backend */
Backend *c_authc_backend;
/* authorization backend - normally same as c_authc_backend */
Backend *c_authz_backend;
AuthorizationInformation c_authz;
ber_int_t c_protocol; /* version of the LDAP protocol used by client */
Operation *c_ops; /* list of operations being processed */
Operation *c_pending_ops; /* list of pending operations */
ldap_pvt_thread_mutex_t c_write_mutex; /* only one pdu written at a time */
ldap_pvt_thread_cond_t c_write_cv; /* used to wait for sd write-ready*/
BerElement *c_currentber; /* ber we're attempting to read */
int c_writewaiter; /* true if writer is waiting */
#ifdef HAVE_TLS
int c_is_tls; /* true if this LDAP over raw TLS */
int c_needs_tls_accept; /* true if SSL_accept should be called */
#endif
int c_sasl_layers; /* true if we need to install SASL i/o handlers */
void *c_sasl_context; /* SASL session context */
void *c_sasl_extra; /* SASL session extra stuff */
long c_n_ops_received; /* num of ops received (next op_id) */
long c_n_ops_executing; /* num of ops currently executing */
long c_n_ops_pending; /* num of ops pending execution */
long c_n_ops_completed; /* num of ops completed */
long c_n_get; /* num of get calls */
long c_n_read; /* num of read calls */
long c_n_write; /* num of write calls */
} Connection;
#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
#define Statslog( level, fmt, connid, opid, arg1, arg2, arg3 ) \
do { \
if ( ldap_debug & (level) ) \
fprintf( stderr, (fmt), (connid), (opid), (arg1), (arg2), (arg3) );\
if ( ldap_syslog & (level) ) \
syslog( ldap_syslog_level, (fmt), (connid), (opid), (arg1), \
(arg2), (arg3) ); \
} while (0)
#else
#define Statslog( level, fmt, connid, opid, arg1, arg2, arg3 )
#endif
#define SASLREGEX_REPLACE 10
#define SASL_AUTHZ_SOURCE_ATTR "saslAuthzTo"
#define SASL_AUTHZ_DEST_ATTR "saslAuthzFrom"
typedef struct sasl_regexp {
char *match; /* regexp match pattern */
char *replace; /* regexp replace pattern */
regex_t workspace; /* workspace for regexp engine */
regmatch_t strings[SASLREGEX_REPLACE]; /* strings matching $1,$2 ... */
int offset[SASLREGEX_REPLACE+2]; /* offsets of $1,$2... in *replace */
} SaslRegexp_t;
LDAP_END_DECL
#include "proto-slap.h"
#endif /* _SLAP_H_ */
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