/* slap.h - stand alone ldap server include file */ #ifndef _SLDAPD_H_ #define _SLDAPD_H_ #include #include #include #include #include "avl.h" #ifndef ldap_debug #define ldap_debug slap_debug #endif #include "ldap_log.h" #include "../../libraries/liblber/lber-int.h" #include "ldap.h" #include "ldap_pvt_thread.h" #include "ldif.h" #ifdef f_next #undef f_next /* name conflict between sys/file.h on SCO and struct filter */ #endif #define DN_DNS 0 #define DN_X500 1 #define ON 1 #define OFF (-1) #define UNDEFINED 0 #define MAXREMATCHES 10 #define DNSEPARATOR(c) ((c) == ',' || (c) == ';') #define SEPARATOR(c) ((c) == ',' || (c) == ';' || (c) == '+') #define SPACE(c) ((c) == ' ' || (c) == '\n') #define NEEDSESCAPE(c) ((c) == '\\' || (c) == '"') LDAP_BEGIN_DECL extern int slap_debug; struct slap_op; struct slap_conn; /* * represents an attribute value assertion (i.e., attr=value) */ typedef struct ava { char *ava_type; struct berval ava_value; } Ava; /* * represents a search filter */ typedef struct filter { unsigned long f_choice; /* values taken from ldap.h */ union { /* present */ char *f_un_type; /* equality, lessorequal, greaterorequal, approx */ Ava f_un_ava; /* and, or, not */ struct filter *f_un_complex; /* substrings */ struct sub { char *f_un_sub_type; char *f_un_sub_initial; char **f_un_sub_any; char *f_un_sub_final; } f_un_sub; } f_un; #define f_type f_un.f_un_type #define f_ava f_un.f_un_ava #define f_avtype f_un.f_un_ava.ava_type #define f_avvalue f_un.f_un_ava.ava_value #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 #define f_sub f_un.f_un_sub #define f_sub_type f_un.f_un_sub.f_un_sub_type #define f_sub_initial f_un.f_un_sub.f_un_sub_initial #define f_sub_any f_un.f_un_sub.f_un_sub_any #define f_sub_final f_un.f_un_sub.f_un_sub_final struct filter *f_next; } Filter; /* * represents an attribute (type + values + syntax) */ typedef struct attr { char *a_type; struct berval **a_vals; int a_syntax; struct attr *a_next; } Attribute; /* * the attr_syntax() routine returns one of these values * telling what kind of syntax an attribute supports. */ #define SYNTAX_CIS 0x01 /* case insensitive string */ #define SYNTAX_CES 0x02 /* case sensitive string */ #define SYNTAX_BIN 0x04 /* binary data */ #define SYNTAX_TEL 0x08 /* telephone number string */ #define SYNTAX_DN 0x10 /* dn string */ /* * the id used in the indexes to refer to an entry */ typedef unsigned long ID; #define NOID ((unsigned long)-1) /* * represents an entry in core */ typedef struct 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; /* * represents an access control list */ /* the "by" part */ struct access { #define ACL_NONE 0x01 #define ACL_COMPARE 0x02 #define ACL_SEARCH 0x04 #define ACL_READ 0x08 #define ACL_WRITE 0x10 #define ACL_SELF 0x40 int a_access; char *a_dnpat; char *a_addrpat; char *a_domainpat; char *a_dnattr; #ifdef SLAPD_ACLGROUPS char *a_group; char *a_objectclassvalue; char *a_groupattrname; #endif struct access *a_next; }; /* the "to" part */ struct acl { /* "to" part: the entries this acl applies to */ Filter *acl_filter; regex_t acl_dnre; char *acl_dnpat; char **acl_attrs; /* "by" part: list of who has what access to the entries */ struct access *acl_access; struct acl *acl_next; }; /* * A list of LDAPMods */ typedef struct ldapmodlist { struct ldapmod ml_mod; struct ldapmodlist *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 schema information for a database */ struct objclass { char *oc_name; char **oc_required; char **oc_allowed; struct objclass *oc_next; }; /* * Backend-info * represents a backend */ typedef struct backend_info BackendInfo; /* per backend type */ typedef struct backend_db BackendDB; /* per backend database */ extern int nBackendInfo; extern int nBackendDB; extern BackendInfo *backendInfo; extern BackendDB *backendDB; extern int slapMode; #define SLAP_UNDEFINED_MODE 0 #define SLAP_SERVER_MODE 1 #define SLAP_TOOL_MODE 2 #ifdef SLAPD_BDB2 # define SLAP_TIMEDSERVER_MODE 3 # define SLAP_TOOLID_MODE 4 #endif /* temporary aliases */ typedef BackendDB Backend; #define nbackends nBackendDB #define backends backendDB struct 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_group bd_info->bi_acl_group /* these should be renamed from be_ to bd_ */ char **be_suffix; /* the DN suffixes of data in this backend */ char **be_suffixAlias; /* the DN suffix aliases of data in this backend */ char *be_root_dn; /* the magic "root" dn for this db */ char *be_root_ndn; /* the magic "root" normalized dn for this db */ char *be_root_pw; /* the magic "root" password for this db */ int be_readonly; /* 1 => db is in "read only" mode */ int be_maxDerefDepth; /* limit for depth of an alias deref */ int be_sizelimit; /* size limit for this backend */ int be_timelimit; /* time limit for this backend */ struct acl *be_acl; /* access control list for this backend */ int 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) */ int be_lastmod; /* keep track of lastmodified{by,time} */ void *be_private; /* anything the backend database needs */ }; struct 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, 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 ' * 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, 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, char *dn, 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, char *base, int scope, int deref, int slimit, int tlimit, Filter *f, char *filterstr, char **attrs, int attrsonly)); int (*bi_op_compare)LDAP_P((BackendDB *bd, struct slap_conn *c, struct slap_op *o, char *dn, Ava *ava)); int (*bi_op_modify) LDAP_P((BackendDB *bd, struct slap_conn *c, struct slap_op *o, char *dn, LDAPModList *m)); int (*bi_op_modrdn) LDAP_P((BackendDB *bd, struct slap_conn *c, struct slap_op *o, char *dn, char *newrdn, int deleteoldrdn, 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, char *dn)); /* Bug: be_op_abandon in unused! */ int (*bi_op_abandon) LDAP_P((BackendDB *bd, struct slap_conn *c, struct slap_op *o, int msgid)); /* Auxilary Functions */ #ifdef SLAPD_ACLGROUPS int (*bi_acl_group) LDAP_P((Backend *bd, Entry *e, char *bdn, char *edn, char *objectclassValue, char *groupattrName )); #endif unsigned int bi_nDB; /* number of databases of this type */ void *bi_private; /* anything the backend type needs */ }; /* * represents an operation pending from an ldap client */ typedef struct slap_op { long o_opid; /* id of this operation */ long o_msgid; /* msgid of the request */ ldap_pvt_thread_t o_tid; /* thread handling this op */ BerElement *o_ber; /* ber of the request */ unsigned long o_tag; /* tag of the request */ time_t o_time; /* time op was initiated */ char *o_dn; /* dn bound when op was initiated */ char *o_ndn; /* normalized dn bound when op was initiated */ int o_authtype; /* auth method used to bind dn */ /* values taken from ldap.h */ /* LDAP_AUTH_* */ /* long o_connid; *//* id of conn initiating this op */ #ifdef LDAP_CONNECTIONLESS int o_cldap; /* != 0 if this came in via CLDAP */ struct sockaddr o_clientaddr; /* client address if via CLDAP */ char o_searchbase; /* search base if via CLDAP */ #endif 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 */ long c_connid; /* id of this connection for stats*/ char *c_client_addr; /* address of client */ char *c_client_name; /* name of client */ /* only can be changed by binding thread */ char *c_cdn; /* DN provided by the client */ char *c_dn; /* DN bound to this conn */ int c_protocol; /* version of the LDAP protocol used by client */ int c_authtype; /* auth method used to bind c_dn */ #ifdef LDAP_COMPAT int c_version; /* for compatibility w/2.0, 3.0 */ #endif 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 */ 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 */ } Connection; #if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG) #define Statslog( level, fmt, connid, opid, arg1, arg2, arg3 ) \ { \ 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 ); \ } #else #define Statslog( level, fmt, connid, opid, arg1, arg2, arg3 ) #endif #include "proto-slap.h" LDAP_END_DECL #endif /* _slap_h_ */