mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-15 03:01:09 +08:00
360 lines
9.8 KiB
C
360 lines
9.8 KiB
C
/* slap.h - stand alone ldap server include file */
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#ifndef _SLDAPD_H_
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#define _SLDAPD_H_
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#include <stdlib.h>
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#ifndef LDAP_SYSLOG
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#define LDAP_SYSLOG 1
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#endif
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#include <sys/types.h>
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#include <ac/syslog.h>
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#include <ac/regex.h>
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#undef NDEBUG
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#include <assert.h>
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#include "avl.h"
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#ifndef ldap_debug
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#define ldap_debug slap_debug
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#endif
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#include "ldap_log.h"
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#include "../../libraries/liblber/lber-int.h"
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#include "ldap.h"
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#include "lthread.h"
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#include "lthread_rdwr.h"
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#include "ldif.h"
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#ifdef f_next
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#undef f_next /* name conflict between sys/file.h on SCO and struct filter */
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#endif
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#define DN_DNS 0
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#define DN_X500 1
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#define ON 1
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#define OFF (-1)
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#define UNDEFINED 0
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#define MAXREMATCHES 10
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#define DNSEPARATOR(c) ((c) == ',' || (c) == ';')
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#define SEPARATOR(c) ((c) == ',' || (c) == ';' || (c) == '+')
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#define SPACE(c) ((c) == ' ' || (c) == '\n')
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#define NEEDSESCAPE(c) ((c) == '\\' || (c) == '"')
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LDAP_BEGIN_DECL
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extern int slap_debug;
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struct slap_op;
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struct slap_conn;
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/*
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* represents an attribute value assertion (i.e., attr=value)
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*/
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typedef struct ava {
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char *ava_type;
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struct berval ava_value;
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} Ava;
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/*
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* represents a search filter
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*/
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typedef struct filter {
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unsigned long f_choice; /* values taken from ldap.h */
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union {
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/* present */
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char *f_un_type;
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/* equality, lessorequal, greaterorequal, approx */
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Ava f_un_ava;
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/* and, or, not */
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struct filter *f_un_complex;
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/* substrings */
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struct sub {
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char *f_un_sub_type;
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char *f_un_sub_initial;
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char **f_un_sub_any;
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char *f_un_sub_final;
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} f_un_sub;
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} f_un;
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#define f_type f_un.f_un_type
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#define f_ava f_un.f_un_ava
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#define f_avtype f_un.f_un_ava.ava_type
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#define f_avvalue f_un.f_un_ava.ava_value
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#define f_and f_un.f_un_complex
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#define f_or f_un.f_un_complex
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#define f_not f_un.f_un_complex
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#define f_list f_un.f_un_complex
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#define f_sub f_un.f_un_sub
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#define f_sub_type f_un.f_un_sub.f_un_sub_type
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#define f_sub_initial f_un.f_un_sub.f_un_sub_initial
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#define f_sub_any f_un.f_un_sub.f_un_sub_any
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#define f_sub_final f_un.f_un_sub.f_un_sub_final
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struct filter *f_next;
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} Filter;
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/*
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* represents an attribute (type + values + syntax)
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*/
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typedef struct attr {
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char *a_type;
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struct berval **a_vals;
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int a_syntax;
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struct attr *a_next;
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} Attribute;
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/*
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* the attr_syntax() routine returns one of these values
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* telling what kind of syntax an attribute supports.
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*/
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#define SYNTAX_CIS 0x01 /* case insensitive string */
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#define SYNTAX_CES 0x02 /* case sensitive string */
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#define SYNTAX_BIN 0x04 /* binary data */
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#define SYNTAX_TEL 0x08 /* telephone number string */
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#define SYNTAX_DN 0x10 /* dn string */
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/*
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* the id used in the indexes to refer to an entry
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*/
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typedef unsigned long ID;
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#define NOID ((unsigned long)-1)
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/*
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* represents an entry in core
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*/
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typedef struct entry {
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char *e_dn; /* DN of this entry */
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char *e_ndn; /* normalized DN of this entry */
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Attribute *e_attrs; /* list of attributes + values */
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ID e_id; /* id of this entry - this should */
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/* really be private to back-ldbm */
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char e_state; /* for the cache */
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pthread_rdwr_t e_rdwr; /* reader/writer lock */
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#define ENTRY_STATE_DELETED 1
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#define ENTRY_STATE_CREATING 2
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int e_refcnt; /* # threads ref'ing this entry */
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struct entry *e_lrunext; /* for cache lru list */
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struct entry *e_lruprev;
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} Entry;
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/*
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* represents an access control list
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*/
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/* the "by" part */
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struct access {
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#define ACL_NONE 0x01
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#define ACL_COMPARE 0x02
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#define ACL_SEARCH 0x04
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#define ACL_READ 0x08
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#define ACL_WRITE 0x10
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#define ACL_SELF 0x40
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int a_access;
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char *a_dnpat;
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char *a_addrpat;
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char *a_domainpat;
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char *a_dnattr;
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#ifdef SLAPD_ACLGROUPS
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char *a_group;
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char *a_objectclassvalue;
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char *a_groupattrname;
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#endif
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struct access *a_next;
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};
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/* the "to" part */
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struct acl {
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/* "to" part: the entries this acl applies to */
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Filter *acl_filter;
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regex_t acl_dnre;
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char *acl_dnpat;
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char **acl_attrs;
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/* "by" part: list of who has what access to the entries */
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struct access *acl_access;
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struct acl *acl_next;
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};
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/*
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* A list of LDAPMods
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*/
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typedef struct ldapmodlist {
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struct ldapmod ml_mod;
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struct ldapmodlist *ml_next;
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#define ml_op ml_mod.mod_op
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#define ml_type ml_mod.mod_type
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#define ml_values ml_mod.mod_values
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#define ml_bvalues ml_mod.mod_bvalues
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} LDAPModList;
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/*
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* represents schema information for a database
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*/
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struct objclass {
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char *oc_name;
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char **oc_required;
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char **oc_allowed;
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struct objclass *oc_next;
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};
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/*
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* represents a "database"
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*/
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typedef struct backend Backend;
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struct backend {
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char **be_suffix; /* the DN suffixes of data in this backend */
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char **be_suffixAlias; /* the DN suffix aliases of data in this backend */
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char *be_root_dn; /* the magic "root" dn for this db */
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char *be_root_ndn; /* the magic "root" normalized dn for this db */
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char *be_root_pw; /* the magic "root" password for this db */
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int be_readonly; /* 1 => db is in "read only" mode */
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int be_maxDerefDepth; /* limit for depth of an alias deref */
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int be_sizelimit; /* size limit for this backend */
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int be_timelimit; /* time limit for this backend */
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struct acl *be_acl; /* access control list for this backend */
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int be_dfltaccess; /* access given if no acl matches */
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char **be_replica; /* replicas of this backend (in master) */
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char *be_replogfile; /* replication log file (in master) */
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char *be_update_ndn; /* allowed to make changes (in replicas) */
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int be_lastmod; /* keep track of lastmodified{by,time} */
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char *be_type; /* type of database */
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void *be_private; /* anything the backend needs */
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/* backend routines */
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int (*be_bind) LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o,
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char *dn, int method, struct berval *cred, char** edn ));
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void (*be_unbind) LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o ));
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int (*be_search) LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o,
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char *base, int scope, int deref, int slimit, int tlimit,
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Filter *f, char *filterstr, char **attrs, int attrsonly));
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int (*be_compare)LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o,
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char *dn, Ava *ava));
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int (*be_modify) LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o,
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char *dn, LDAPModList *m));
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int (*be_modrdn) LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o,
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char *dn, char *newrdn, int deleteoldrdn ));
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int (*be_add) LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o,
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Entry *e));
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int (*be_delete) LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o,
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char *dn));
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/* Bug: be_abandon in unused! */
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void (*be_abandon)LDAP_P((Backend *be,
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struct slap_conn *c, struct slap_op *o,
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int msgid));
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void (*be_config) LDAP_P((Backend *be,
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char *fname, int lineno, int argc, char **argv ));
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void (*be_init) LDAP_P((Backend *be));
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void (*be_close) LDAP_P((Backend *be));
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#ifdef SLAPD_ACLGROUPS
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int (*be_group) LDAP_P((Backend *be, Entry *e,
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char *bdn, char *edn,
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char *objectclassValue, char *groupattrName ));
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#endif
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};
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/*
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* represents an operation pending from an ldap client
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*/
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typedef struct slap_op {
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BerElement *o_ber; /* ber of the request */
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long o_msgid; /* msgid of the request */
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unsigned long o_tag; /* tag of the request */
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time_t o_time; /* time op was initiated */
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char *o_dn; /* dn bound when op was initiated */
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char *o_ndn; /* normalized dn bound when op was initiated */
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int o_authtype; /* auth method used to bind dn */
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/* values taken from ldap.h */
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/* LDAP_AUTH_* */
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int o_opid; /* id of this operation */
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int o_connid; /* id of conn initiating this op */
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#ifdef LDAP_CONNECTIONLESS
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int o_cldap; /* != 0 if this came in via CLDAP */
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struct sockaddr o_clientaddr; /* client address if via CLDAP */
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char o_searchbase; /* search base if via CLDAP */
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#endif
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struct slap_op *o_next; /* next operation pending */
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pthread_t o_tid; /* thread handling this op */
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int o_abandon; /* signals op has been abandoned */
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pthread_mutex_t o_abandonmutex; /* signals op has been abandoned */
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int o_private; /* anything the backend needs */
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} Operation;
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/*
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* represents a connection from an ldap client
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*/
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typedef struct slap_conn {
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Sockbuf c_sb; /* ber connection stuff */
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char *c_cdn; /* DN provided by the client */
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char *c_dn; /* DN bound to this conn */
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pthread_mutex_t c_dnmutex; /* mutex for c_dn field */
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int c_authtype; /* auth method used to bind c_dn */
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#ifdef LDAP_COMPAT
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int c_version; /* for compatibility w/2.0, 3.0 */
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#endif
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char *c_addr; /* address of client on this conn */
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char *c_domain; /* domain of client on this conn */
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Operation *c_ops; /* list of pending operations */
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pthread_mutex_t c_opsmutex; /* mutex for c_ops list & stats */
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pthread_mutex_t c_pdumutex; /* only one pdu written at a time */
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pthread_cond_t c_wcv; /* used to wait for sd write-ready*/
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int c_gettingber; /* in the middle of ber_get_next */
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BerElement *c_currentber; /* ber we're getting */
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int c_writewaiter; /* signals write-ready sd waiter */
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int c_pduwaiters; /* signals threads waiting 4 pdu */
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time_t c_starttime; /* when the connection was opened */
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int c_connid; /* id of this connection for stats*/
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int c_opsinitiated; /* # ops initiated/next op id */
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int c_opscompleted; /* # ops completed */
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} Connection;
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#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
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#define Statslog( level, fmt, connid, opid, arg1, arg2, arg3 ) \
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{ \
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if ( ldap_debug & level ) \
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fprintf( stderr, fmt, connid, opid, arg1, arg2, arg3 );\
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if ( ldap_syslog & level ) \
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syslog( ldap_syslog_level, fmt, connid, opid, arg1, \
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arg2, arg3 ); \
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}
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#else
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#define Statslog( level, fmt, connid, opid, arg1, arg2, arg3 )
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#endif
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#include "proto-slap.h"
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LDAP_END_DECL
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#endif /* _slap_h_ */
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