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openldap  2.4.31
Defines | Functions
result.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/errno.h>
#include <ac/string.h>
#include <ac/ctype.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include "slap.h"

Go to the source code of this file.

Defines

#define LDAP_UNSOLICITED_ERROR(e)

Functions

int slap_null_cb (Operation *op, SlapReply *rs)
int slap_freeself_cb (Operation *op, SlapReply *rs)
static char * v2ref (BerVarray ref, const char *text)
ber_tag_t slap_req2res (ber_tag_t tag)
void() rs_reinit (SlapReply *rs, slap_reply_t type)
void rs_flush_entry (Operation *op, SlapReply *rs, slap_overinst *on)
void rs_replace_entry (Operation *op, SlapReply *rs, slap_overinst *on, Entry *e)
int rs_entry2modifiable (Operation *op, SlapReply *rs, slap_overinst *on)
static long send_ldap_ber (Operation *op, BerElement *ber)
static int send_ldap_control (BerElement *ber, LDAPControl *c)
static int send_ldap_controls (Operation *o, BerElement *ber, LDAPControl **c)
static int slap_response_play (Operation *op, SlapReply *rs)
static int slap_cleanup_play (Operation *op, SlapReply *rs)
static int send_ldap_response (Operation *op, SlapReply *rs)
void send_ldap_disconnect (Operation *op, SlapReply *rs)
void slap_send_ldap_result (Operation *op, SlapReply *rs)
void send_ldap_sasl (Operation *op, SlapReply *rs)
void slap_send_ldap_extended (Operation *op, SlapReply *rs)
void slap_send_ldap_intermediate (Operation *op, SlapReply *rs)
int slap_send_search_entry (Operation *op, SlapReply *rs)
int slap_send_search_reference (Operation *op, SlapReply *rs)
int str2result (char *s, int *code, char **matched, char **info)
int slap_read_controls (Operation *op, SlapReply *rs, Entry *e, const struct berval *oid, LDAPControl **ctrl)
int slap_map_api2result (SlapReply *rs)
slap_mask_t slap_attr_flags (AttributeName *an)

Define Documentation

#define LDAP_UNSOLICITED_ERROR (   e)
Value:

Function Documentation

Definition at line 271 of file result.c.

{
       if ( rs->sr_flags & REP_ENTRY_MODIFIABLE ) {
              rs_assert_ok( rs );
              return 0;
       }
       rs_replace_entry( op, rs, on, entry_dup( rs->sr_entry ));
       rs->sr_flags |= REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED;
       return 1;
}

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void rs_flush_entry ( Operation op,
SlapReply rs,
slap_overinst on 
)

Definition at line 239 of file result.c.

{
       rs_assert_ok( rs );

       if ( (rs->sr_flags & REP_ENTRY_MUSTFLUSH) && rs->sr_entry != NULL ) {
              if ( !(rs->sr_flags & REP_ENTRY_MUSTRELEASE) ) {
                     entry_free( rs->sr_entry );
              } else if ( on != NULL ) {
                     overlay_entry_release_ov( op, rs->sr_entry, 0, on );
              } else {
                     be_entry_release_rw( op, rs->sr_entry, 0 );
              }
              rs->sr_entry = NULL;
       }

       rs->sr_flags &= ~REP_ENTRY_MASK;
}

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void() rs_reinit ( SlapReply rs,
slap_reply_t  type 
)

Definition at line 232 of file result.c.

{
       rs_reinit( rs, type );             /* proto-slap.h macro */
}

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void rs_replace_entry ( Operation op,
SlapReply rs,
slap_overinst on,
Entry e 
)

Definition at line 259 of file result.c.

{
       rs_flush_entry( op, rs, on );
       rs->sr_entry = e;
}

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static long send_ldap_ber ( Operation op,
BerElement *  ber 
) [static]

Definition at line 282 of file result.c.

{
       Connection *conn = op->o_conn;
       ber_len_t bytes;
       long ret = 0;

       ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );

       /* write only one pdu at a time - wait til it's our turn */
       ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
       if (( op->o_abandon && !op->o_cancel ) || !connection_valid( conn ) ||
              conn->c_writers < 0 ) {
              ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
              return 0;
       }

       conn->c_writers++;

       while ( conn->c_writers > 0 && conn->c_writing ) {
              ldap_pvt_thread_cond_wait( &conn->c_write1_cv, &conn->c_write1_mutex );
       }

       /* connection was closed under us */
       if ( conn->c_writers < 0 ) {
              /* we're the last waiter, let the closer continue */
              if ( conn->c_writers == -1 )
                     ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
              conn->c_writers++;
              ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
              return 0;
       }

       /* Our turn */
       conn->c_writing = 1;

       /* write the pdu */
       while( 1 ) {
              int err;

              /* lock the connection */ 
              if ( ldap_pvt_thread_mutex_trylock( &conn->c_mutex )) {
                     if ( !connection_valid(conn)) {
                            ret = 0;
                            break;
                     }
                     ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
                     ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
                     if ( conn->c_writers < 0 ) {
                            ret = 0;
                            break;
                     }
                     continue;
              }

              if ( ber_flush2( conn->c_sb, ber, LBER_FLUSH_FREE_NEVER ) == 0 ) {
                     ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
                     ret = bytes;
                     break;
              }

              err = sock_errno();

              /*
               * we got an error.  if it's ewouldblock, we need to
               * wait on the socket being writable.  otherwise, figure
               * it's a hard error and return.
               */

              Debug( LDAP_DEBUG_CONNS, "ber_flush2 failed errno=%d reason=\"%s\"\n",
                  err, sock_errstr(err), 0 );

              if ( err != EWOULDBLOCK && err != EAGAIN ) {
                     conn->c_writers--;
                     conn->c_writing = 0;
                     ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
                     connection_closing( conn, "connection lost on write" );

                     ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
                     return -1;
              }

              /* wait for socket to be write-ready */
              ldap_pvt_thread_mutex_lock( &conn->c_write2_mutex );
              conn->c_writewaiter = 1;
              slapd_set_write( conn->c_sd, 2 );

              ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
              ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
              ldap_pvt_thread_pool_idle( &connection_pool );
              ldap_pvt_thread_cond_wait( &conn->c_write2_cv, &conn->c_write2_mutex );
              conn->c_writewaiter = 0;
              ldap_pvt_thread_mutex_unlock( &conn->c_write2_mutex );
              ldap_pvt_thread_pool_unidle( &connection_pool );
              ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
              if ( conn->c_writers < 0 ) {
                     ret = 0;
                     break;
              }
       }

       conn->c_writing = 0;
       if ( conn->c_writers < 0 ) {
              conn->c_writers++;
              if ( !conn->c_writers )
                     ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
       } else {
              conn->c_writers--;
              ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
       }
       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );

       return ret;
}

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static int send_ldap_control ( BerElement *  ber,
LDAPControl c 
) [static]

Definition at line 399 of file result.c.

{
       int rc;

       assert( c != NULL );

       rc = ber_printf( ber, "{s" /*}*/, c->ldctl_oid );

       if( c->ldctl_iscritical ) {
              rc = ber_printf( ber, "b",
                     (ber_int_t) c->ldctl_iscritical ) ;
              if( rc == -1 ) return rc;
       }

       if( c->ldctl_value.bv_val != NULL ) {
              rc = ber_printf( ber, "O", &c->ldctl_value ); 
              if( rc == -1 ) return rc;
       }

       rc = ber_printf( ber, /*{*/"N}" );
       if( rc == -1 ) return rc;

       return 0;
}

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static int send_ldap_controls ( Operation o,
BerElement *  ber,
LDAPControl **  c 
) [static]

Definition at line 425 of file result.c.

{
       int rc;

       if( c == NULL )
              return 0;

       rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS );
       if( rc == -1 ) return rc;

       for( ; *c != NULL; c++) {
              rc = send_ldap_control( ber, *c );
              if( rc == -1 ) return rc;
       }

#ifdef SLAP_CONTROL_X_SORTEDRESULTS
       /* this is a hack to avoid having to modify op->s_ctrls */
       if( o->o_sortedresults ) {
              BerElementBuffer berbuf;
              BerElement *sber = (BerElement *) &berbuf;
              LDAPControl sorted;
              BER_BVZERO( &sorted.ldctl_value );
              sorted.ldctl_oid = LDAP_CONTROL_SORTRESPONSE;
              sorted.ldctl_iscritical = 0;

              ber_init2( sber, NULL, LBER_USE_DER );

              ber_printf( sber, "{e}", LDAP_UNWILLING_TO_PERFORM );

              if( ber_flatten2( sber, &sorted.ldctl_value, 0 ) == -1 ) {
                     return -1;
              }

              (void) ber_free_buf( sber );

              rc = send_ldap_control( ber, &sorted );
              if( rc == -1 ) return rc;
       }
#endif

       rc = ber_printf( ber, /*{*/"N}" );

       return rc;
}

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Definition at line 765 of file result.c.

{
#define LDAP_UNSOLICITED_ERROR(e) \
       (  (e) == LDAP_PROTOCOL_ERROR \
       || (e) == LDAP_STRONG_AUTH_REQUIRED \
       || (e) == LDAP_UNAVAILABLE )

       Debug( LDAP_DEBUG_TRACE,
              "send_ldap_disconnect %d:%s\n",
              rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
       assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );

       /* TODO: Flush the entry if sr_type == REP_SEARCH/REP_SEARCHREF? */
       RS_ASSERT( !(rs->sr_flags & REP_ENTRY_MASK) );
       rs->sr_flags &= ~REP_ENTRY_MASK;   /* paranoia */

       rs->sr_type = REP_EXTENDED;
       rs->sr_rspdata = NULL;

       if ( op->o_protocol < LDAP_VERSION3 ) {
              rs->sr_rspoid = NULL;
              rs->sr_tag = slap_req2res( op->o_tag );
              rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;

       } else {
              rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
              rs->sr_tag = LDAP_RES_EXTENDED;
              rs->sr_msgid = LDAP_RES_UNSOLICITED;
       }

       if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
              Statslog( LDAP_DEBUG_STATS,
                     "%s DISCONNECT tag=%lu err=%d text=%s\n",
                     op->o_log_prefix, rs->sr_tag, rs->sr_err,
                     rs->sr_text ? rs->sr_text : "", 0 );
       }
}

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static int send_ldap_response ( Operation op,
SlapReply rs 
) [static]

Definition at line 566 of file result.c.

{
       BerElementBuffer berbuf;
       BerElement    *ber = (BerElement *) &berbuf;
       int           rc = LDAP_SUCCESS;
       long   bytes;

       /* op was actually aborted, bypass everything if client didn't Cancel */
       if (( rs->sr_err == SLAPD_ABANDON ) && !op->o_cancel ) {
              rc = SLAPD_ABANDON;
              goto clean2;
       }

       if ( op->o_callback ) {
              rc = slap_response_play( op, rs );
              if ( rc != SLAP_CB_CONTINUE ) {
                     goto clean2;
              }
       }

       /* op completed, connection aborted, bypass sending response */
       if ( op->o_abandon && !op->o_cancel ) {
              rc = SLAPD_ABANDON;
              goto clean2;
       }

#ifdef LDAP_CONNECTIONLESS
       if (op->o_conn && op->o_conn->c_is_udp)
              ber = op->o_res_ber;
       else
#endif
       {
              ber_init_w_nullc( ber, LBER_USE_DER );
              ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
       }

       rc = rs->sr_err;
       if ( rc == SLAPD_ABANDON && op->o_cancel )
              rc = LDAP_CANCELLED;

       Debug( LDAP_DEBUG_TRACE,
              "send_ldap_response: msgid=%d tag=%lu err=%d\n",
              rs->sr_msgid, rs->sr_tag, rc );

       if( rs->sr_ref ) {
              Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
                     rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
                     NULL, NULL );
       }

#ifdef LDAP_CONNECTIONLESS
       if (op->o_conn && op->o_conn->c_is_udp &&
              op->o_protocol == LDAP_VERSION2 )
       {
              rc = ber_printf( ber, "t{ess" /*"}"*/,
                     rs->sr_tag, rc,
              rs->sr_matched == NULL ? "" : rs->sr_matched,
              rs->sr_text == NULL ? "" : rs->sr_text );
       } else 
#endif
       if ( rs->sr_type == REP_INTERMEDIATE ) {
           rc = ber_printf( ber, "{it{" /*"}}"*/,
                     rs->sr_msgid, rs->sr_tag );

       } else {
           rc = ber_printf( ber, "{it{ess" /*"}}"*/,
              rs->sr_msgid, rs->sr_tag, rc,
              rs->sr_matched == NULL ? "" : rs->sr_matched,
              rs->sr_text == NULL ? "" : rs->sr_text );
       }

       if( rc != -1 ) {
              if ( rs->sr_ref != NULL ) {
                     assert( rs->sr_err == LDAP_REFERRAL );
                     rc = ber_printf( ber, "t{W}",
                            LDAP_TAG_REFERRAL, rs->sr_ref );
              } else {
                     assert( rs->sr_err != LDAP_REFERRAL );
              }
       }

       if( rc != -1 && rs->sr_type == REP_SASL && rs->sr_sasldata != NULL ) {
              rc = ber_printf( ber, "tO",
                     LDAP_TAG_SASL_RES_CREDS, rs->sr_sasldata );
       }

       if( rc != -1 &&
              ( rs->sr_type == REP_EXTENDED || rs->sr_type == REP_INTERMEDIATE ))
       {
              if ( rs->sr_rspoid != NULL ) {
                     rc = ber_printf( ber, "ts",
                            rs->sr_type == REP_EXTENDED
                                   ? LDAP_TAG_EXOP_RES_OID : LDAP_TAG_IM_RES_OID,
                            rs->sr_rspoid );
              }
              if( rc != -1 && rs->sr_rspdata != NULL ) {
                     rc = ber_printf( ber, "tO",
                            rs->sr_type == REP_EXTENDED
                                   ? LDAP_TAG_EXOP_RES_VALUE : LDAP_TAG_IM_RES_VALUE,
                            rs->sr_rspdata );
              }
       }

       if( rc != -1 ) {
              rc = ber_printf( ber, /*"{"*/ "N}" );
       }

       if( rc != -1 ) {
              rc = send_ldap_controls( op, ber, rs->sr_ctrls );
       }

       if( rc != -1 ) {
              rc = ber_printf( ber, /*"{"*/ "N}" );
       }

#ifdef LDAP_CONNECTIONLESS
       if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2
              && rc != -1 )
       {
              rc = ber_printf( ber, /*"{"*/ "N}" );
       }
#endif
              
       if ( rc == -1 ) {
              Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );

#ifdef LDAP_CONNECTIONLESS
              if (!op->o_conn || op->o_conn->c_is_udp == 0)
#endif
              {
                     ber_free_buf( ber );
              }
              goto cleanup;
       }

       /* send BER */
       bytes = send_ldap_ber( op, ber );
#ifdef LDAP_CONNECTIONLESS
       if (!op->o_conn || op->o_conn->c_is_udp == 0)
#endif
       {
              ber_free_buf( ber );
       }

       if ( bytes < 0 ) {
              Debug( LDAP_DEBUG_ANY,
                     "send_ldap_response: ber write failed\n",
                     0, 0, 0 );

              goto cleanup;
       }

       ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
       ldap_pvt_mp_add_ulong( op->o_counters->sc_pdu, 1 );
       ldap_pvt_mp_add_ulong( op->o_counters->sc_bytes, (unsigned long)bytes );
       ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );

cleanup:;
       /* Tell caller that we did this for real, as opposed to being
        * overridden by a callback
        */
       rc = SLAP_CB_CONTINUE;

clean2:;
       if ( op->o_callback ) {
              (void)slap_cleanup_play( op, rs );
       }

       if ( rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
              rs->sr_flags ^= REP_MATCHED_MUSTBEFREED; /* paranoia */
              if ( rs->sr_matched ) {
                     free( (char *)rs->sr_matched );
                     rs->sr_matched = NULL;
              }
       }

       if ( rs->sr_flags & REP_REF_MUSTBEFREED ) {
              rs->sr_flags ^= REP_REF_MUSTBEFREED; /* paranoia */
              if ( rs->sr_ref ) {
                     ber_bvarray_free( rs->sr_ref );
                     rs->sr_ref = NULL;
              }
       }

       if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED ) {
              rs->sr_flags ^= REP_CTRLS_MUSTBEFREED; /* paranoia */
              if ( rs->sr_ctrls ) {
                     slap_free_ctrls( op, rs->sr_ctrls );
                     rs->sr_ctrls = NULL;
              }
       }

       return rc;
}

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void send_ldap_sasl ( Operation op,
SlapReply rs 
)

Definition at line 880 of file result.c.

{
       Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
              rs->sr_err,
              rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );

       RS_ASSERT( !(rs->sr_flags & REP_ENTRY_MASK) );
       rs->sr_flags &= ~REP_ENTRY_MASK;   /* paranoia */

       rs->sr_type = REP_SASL;
       rs->sr_tag = slap_req2res( op->o_tag );
       rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;

       if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
              Statslog( LDAP_DEBUG_STATS,
                     "%s RESULT tag=%lu err=%d text=%s\n",
                     op->o_log_prefix, rs->sr_tag, rs->sr_err,
                     rs->sr_text ? rs->sr_text : "", 0 );
       }
}

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Definition at line 1840 of file result.c.

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static int slap_cleanup_play ( Operation op,
SlapReply rs 
) [static]

Definition at line 530 of file result.c.

{
       slap_callback *sc = op->o_callback, **scp;

       for ( scp = &sc; *scp; ) {
              slap_callback *sc_next = (*scp)->sc_next, **sc_nextp = &(*scp)->sc_next;

              op->o_callback = *scp;
              if ( op->o_callback->sc_cleanup ) {
                     (void)op->o_callback->sc_cleanup( op, rs );
                     if ( op->o_callback == NULL ) {
                            /* the callback has been removed;
                             * repair the list */
                            *scp = sc_next;
                            sc_nextp = scp;

                     } else if ( op->o_callback != *scp ) {
                            /* a new callback has been inserted
                             * after the existing one; repair the list */
                            /* a new callback has been inserted
                             * in place of the existing one; repair the list */
                            *scp = op->o_callback;
                            sc_nextp = scp;
                     }
                     /* don't care about the result; do all cleanup */
              }
              scp = sc_nextp;
       }

       op->o_callback = sc;
       return LDAP_SUCCESS;
}

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int slap_freeself_cb ( Operation op,
SlapReply rs 
)

Definition at line 47 of file result.c.

{
       assert( op->o_callback != NULL );

       op->o_tmpfree( op->o_callback, op->o_tmpmemctx );
       op->o_callback = NULL;

       return SLAP_CB_CONTINUE;
}

Definition at line 1794 of file result.c.

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int slap_null_cb ( Operation op,
SlapReply rs 
)

Definition at line 42 of file result.c.

{
       return 0;
}

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int slap_read_controls ( Operation op,
SlapReply rs,
Entry e,
const struct berval oid,
LDAPControl **  ctrl 
)

Definition at line 1734 of file result.c.

{
       int rc;
       struct berval bv;
       BerElementBuffer berbuf;
       BerElement *ber = (BerElement *) &berbuf;
       LDAPControl c;
       Operation myop;

       Debug( LDAP_DEBUG_ANY, "%s slap_read_controls: (%s) %s\n",
              op->o_log_prefix, oid->bv_val, e->e_dn );

       rs->sr_entry = e;
       rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
              op->o_preread_attrs : op->o_postread_attrs; 

       bv.bv_len = entry_flatsize( rs->sr_entry, 0 );
       bv.bv_val = op->o_tmpalloc( bv.bv_len, op->o_tmpmemctx );

       ber_init2( ber, &bv, LBER_USE_DER );
       ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );

       /* create new operation */
       myop = *op;
       /* FIXME: o_bd needed for ACL */
       myop.o_bd = op->o_bd;
       myop.o_res_ber = ber;
       myop.o_callback = NULL;
       myop.ors_slimit = 1;
       myop.ors_attrsonly = 0;

       rc = slap_send_search_entry( &myop, rs );
       if( rc ) return rc;

       rc = ber_flatten2( ber, &c.ldctl_value, 0 );

       if( rc == -1 ) return LDAP_OTHER;

       c.ldctl_oid = oid->bv_val;
       c.ldctl_iscritical = 0;

       if ( *ctrl == NULL ) {
              /* first try */
              *ctrl = (LDAPControl *) slap_sl_calloc( 1, sizeof(LDAPControl), NULL );
       } else {
              /* retry: free previous try */
              slap_sl_free( (*ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
       }

       **ctrl = c;
       return LDAP_SUCCESS;
}

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ber_tag_t slap_req2res ( ber_tag_t  tag)

Definition at line 103 of file result.c.

{
       switch( tag ) {
       case LDAP_REQ_ADD:
       case LDAP_REQ_BIND:
       case LDAP_REQ_COMPARE:
       case LDAP_REQ_EXTENDED:
       case LDAP_REQ_MODIFY:
       case LDAP_REQ_MODRDN:
              tag++;
              break;

       case LDAP_REQ_DELETE:
              tag = LDAP_RES_DELETE;
              break;

       case LDAP_REQ_ABANDON:
       case LDAP_REQ_UNBIND:
              tag = LBER_SEQUENCE;
              break;

       case LDAP_REQ_SEARCH:
              tag = LDAP_RES_SEARCH_RESULT;
              break;

       default:
              tag = LBER_SEQUENCE;
       }

       return tag;
}

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static int slap_response_play ( Operation op,
SlapReply rs 
) [static]

Definition at line 493 of file result.c.

{
       int rc;

       slap_callback *sc = op->o_callback, **scp;

       rc = SLAP_CB_CONTINUE;
       for ( scp = &sc; *scp; ) {
              slap_callback *sc_next = (*scp)->sc_next, **sc_nextp = &(*scp)->sc_next;

              op->o_callback = *scp;
              if ( op->o_callback->sc_response ) {
                     rc = op->o_callback->sc_response( op, rs );
                     if ( op->o_callback == NULL ) {
                            /* the callback has been removed;
                             * repair the list */
                            *scp = sc_next;
                            sc_nextp = scp;

                     } else if ( op->o_callback != *scp ) {
                            /* a new callback has been inserted
                             * in place of the existing one; repair the list */
                            *scp = op->o_callback;
                            sc_nextp = scp;
                     }
                     if ( rc != SLAP_CB_CONTINUE ) break;
              }
              scp = sc_nextp;
       }

       op->o_callback = sc;
       return rc;
}

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Definition at line 902 of file result.c.

{
       Debug( LDAP_DEBUG_TRACE,
              "send_ldap_extended: err=%d oid=%s len=%ld\n",
              rs->sr_err,
              rs->sr_rspoid ? rs->sr_rspoid : "",
              rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );

       RS_ASSERT( !(rs->sr_flags & REP_ENTRY_MASK) );
       rs->sr_flags &= ~REP_ENTRY_MASK;   /* paranoia */

       rs->sr_type = REP_EXTENDED;
       rs->sr_tag = slap_req2res( op->o_tag );
       rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;

       if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
              Statslog( LDAP_DEBUG_STATS,
                     "%s RESULT oid=%s err=%d text=%s\n",
                     op->o_log_prefix, rs->sr_rspoid ? rs->sr_rspoid : "",
                     rs->sr_err, rs->sr_text ? rs->sr_text : "", 0 );
       }
}

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Definition at line 926 of file result.c.

{
       Debug( LDAP_DEBUG_TRACE,
              "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
              rs->sr_err,
              rs->sr_rspoid ? rs->sr_rspoid : "",
              rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );

       RS_ASSERT( !(rs->sr_flags & REP_ENTRY_MASK) );
       rs->sr_flags &= ~REP_ENTRY_MASK;   /* paranoia */

       rs->sr_type = REP_INTERMEDIATE;
       rs->sr_tag = LDAP_RES_INTERMEDIATE;
       rs->sr_msgid = op->o_msgid;
       if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
              Statslog( LDAP_DEBUG_STATS2,
                     "%s INTERM oid=%s\n",
                     op->o_log_prefix,
                     rs->sr_rspoid ? rs->sr_rspoid : "", 0, 0, 0 );
       }
}

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Definition at line 804 of file result.c.

{
       char *tmp = NULL;
       const char *otext = rs->sr_text;
       BerVarray oref = rs->sr_ref;

       rs->sr_type = REP_RESULT;

       /* Propagate Abandons so that cleanup callbacks can be processed */
       if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon )
              goto abandon;

       Debug( LDAP_DEBUG_TRACE,
              "send_ldap_result: %s p=%d\n",
              op->o_log_prefix, op->o_protocol, 0 );
       Debug( LDAP_DEBUG_ARGS,
              "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
              rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
              rs->sr_text ? rs->sr_text : "" );
       if( rs->sr_ref ) {
              Debug( LDAP_DEBUG_ARGS,
                     "send_ldap_result: referral=\"%s\"\n",
                     rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
                     NULL, NULL );
       }
       assert( !LDAP_API_ERROR( rs->sr_err ) );
       assert( rs->sr_err != LDAP_PARTIAL_RESULTS );

       if ( rs->sr_err == LDAP_REFERRAL ) {
              if( op->o_domain_scope ) rs->sr_ref = NULL;

              if( rs->sr_ref == NULL ) {
                     rs->sr_err = LDAP_NO_SUCH_OBJECT;
              } else if ( op->o_protocol < LDAP_VERSION3 ) {
                     rs->sr_err = LDAP_PARTIAL_RESULTS;
              }
       }

       if ( op->o_protocol < LDAP_VERSION3 ) {
              tmp = v2ref( rs->sr_ref, rs->sr_text );
              rs->sr_text = tmp;
              rs->sr_ref = NULL;
       }

abandon:
       rs->sr_tag = slap_req2res( op->o_tag );
       rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;

       if ( rs->sr_flags & REP_REF_MUSTBEFREED ) {
              if ( rs->sr_ref == NULL ) {
                     rs->sr_flags ^= REP_REF_MUSTBEFREED;
                     ber_bvarray_free( oref );
              }
              oref = NULL; /* send_ldap_response() will free rs->sr_ref if != NULL */
       }

       if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
              if ( op->o_tag == LDAP_REQ_SEARCH ) {
                     Statslog( LDAP_DEBUG_STATS,
                            "%s SEARCH RESULT tag=%lu err=%d nentries=%d text=%s\n",
                            op->o_log_prefix, rs->sr_tag, rs->sr_err,
                            rs->sr_nentries, rs->sr_text ? rs->sr_text : "" );
              } else {
                     Statslog( LDAP_DEBUG_STATS,
                            "%s RESULT tag=%lu err=%d text=%s\n",
                            op->o_log_prefix, rs->sr_tag, rs->sr_err,
                            rs->sr_text ? rs->sr_text : "", 0 );
              }
       }

       if( tmp != NULL ) ch_free(tmp);
       rs->sr_text = otext;
       rs->sr_ref = oref;
}

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Definition at line 959 of file result.c.

{
       BerElementBuffer berbuf;
       BerElement    *ber = (BerElement *) &berbuf;
       Attribute     *a;
       int           i, j, rc = LDAP_UNAVAILABLE, bytes;
       int           userattrs;
       AccessControlState acl_state = ACL_STATE_INIT;
       int                   attrsonly;
       AttributeDescription *ad_entry = slap_schema.si_ad_entry;

       /* a_flags: array of flags telling if the i-th element will be
        *          returned or filtered out
        * e_flags: array of a_flags
        */
       char **e_flags = NULL;

       rs->sr_type = REP_SEARCH;

       if ( op->ors_slimit >= 0 && rs->sr_nentries >= op->ors_slimit ) {
              rc = LDAP_SIZELIMIT_EXCEEDED;
              goto error_return;
       }

       /* Every 64 entries, check for thread pool pause */
       if ( ( ( rs->sr_nentries & 0x3f ) == 0x3f ) &&
              ldap_pvt_thread_pool_pausing( &connection_pool ) > 0 )
       {
              rc = LDAP_BUSY;
              goto error_return;
       }

       /* eventually will loop through generated operational attribute types
        * currently implemented types include:
        *     entryDN, subschemaSubentry, and hasSubordinates */
       /* NOTE: moved before overlays callback circling because
        * they may modify entry and other stuff in rs */
       /* check for special all operational attributes ("+") type */
       /* FIXME: maybe we could set this flag at the operation level;
        * however, in principle the caller of send_search_entry() may
        * change the attribute list at each call */
       rs->sr_attr_flags = slap_attr_flags( rs->sr_attrs );

       rc = backend_operational( op, rs );
       if ( rc ) {
              goto error_return;
       }

       if ( op->o_callback ) {
              rc = slap_response_play( op, rs );
              if ( rc != SLAP_CB_CONTINUE ) {
                     goto error_return;
              }
       }

       Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: conn %lu dn=\"%s\"%s\n",
              op->o_connid, rs->sr_entry->e_name.bv_val,
              op->ors_attrsonly ? " (attrsOnly)" : "" );

       attrsonly = op->ors_attrsonly;

       if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
              Debug( LDAP_DEBUG_ACL,
                     "send_search_entry: conn %lu access to entry (%s) not allowed\n", 
                     op->o_connid, rs->sr_entry->e_name.bv_val, 0 );

              rc = LDAP_INSUFFICIENT_ACCESS;
              goto error_return;
       }

       if ( op->o_res_ber ) {
              /* read back control or LDAP_CONNECTIONLESS */
           ber = op->o_res_ber;
       } else {
              struct berval bv;

              bv.bv_len = entry_flatsize( rs->sr_entry, 0 );
              bv.bv_val = op->o_tmpalloc( bv.bv_len, op->o_tmpmemctx );

              ber_init2( ber, &bv, LBER_USE_DER );
              ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
       }

#ifdef LDAP_CONNECTIONLESS
       if ( op->o_conn && op->o_conn->c_is_udp ) {
              /* CONNECTIONLESS */
              if ( op->o_protocol == LDAP_VERSION2 ) {
              rc = ber_printf(ber, "t{O{" /*}}*/,
                            LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
              } else {
              rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
                            LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
              }
       } else
#endif
       if ( op->o_res_ber ) {
              /* read back control */
           rc = ber_printf( ber, "t{O{" /*}}*/,
                     LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
       } else {
           rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
                     LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
       }

       if ( rc == -1 ) {
              Debug( LDAP_DEBUG_ANY, 
                     "send_search_entry: conn %lu  ber_printf failed\n", 
                     op->o_connid, 0, 0 );

              if ( op->o_res_ber == NULL ) ber_free_buf( ber );
              send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
              rc = rs->sr_err;
              goto error_return;
       }

       /* check for special all user attributes ("*") type */
       userattrs = SLAP_USERATTRS( rs->sr_attr_flags );

       /* create an array of arrays of flags. Each flag corresponds
        * to particular value of attribute and equals 1 if value matches
        * to ValuesReturnFilter or 0 if not
        */    
       if ( op->o_vrFilter != NULL ) {
              int    k = 0;
              size_t size;

              for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
                     for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
              }

              size = i * sizeof(char *) + k;
              if ( size > 0 ) {
                     char   *a_flags;
                     e_flags = slap_sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
                     if( e_flags == NULL ) {
                     Debug( LDAP_DEBUG_ANY, 
                                   "send_search_entry: conn %lu slap_sl_calloc failed\n",
                                   op->o_connid, 0, 0 );
                            ber_free( ber, 1 );
       
                            send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
                            goto error_return;
                     }
                     a_flags = (char *)(e_flags + i);
                     memset( a_flags, 0, k );
                     for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
                            for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
                            e_flags[i] = a_flags;
                            a_flags += j;
                     }
       
                     rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ; 
                     if ( rc == -1 ) {
                            Debug( LDAP_DEBUG_ANY, "send_search_entry: "
                                   "conn %lu matched values filtering failed\n",
                                   op->o_connid, 0, 0 );
                            if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                            send_ldap_error( op, rs, LDAP_OTHER,
                                   "matched values filtering error" );
                            rc = rs->sr_err;
                            goto error_return;
                     }
              }
       }

       for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
              AttributeDescription *desc = a->a_desc;
              int finish = 0;

              if ( rs->sr_attrs == NULL ) {
                     /* all user attrs request, skip operational attributes */
                     if( is_at_operational( desc->ad_type ) ) {
                            continue;
                     }

              } else {
                     /* specific attrs requested */
                     if ( is_at_operational( desc->ad_type ) ) {
                            /* if not explicitly requested */
                            if ( !ad_inlist( desc, rs->sr_attrs )) {
                                   /* if not all op attrs requested, skip */
                                   if ( !SLAP_OPATTRS( rs->sr_attr_flags ))
                                          continue;
                                   /* if DSA-specific and replicating, skip */
                                   if ( op->o_sync != SLAP_CONTROL_NONE &&
                                          desc->ad_type->sat_usage == LDAP_SCHEMA_DSA_OPERATION )
                                          continue;
                            }
                     } else {
                            if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
                                   continue;
                            }
                     }
              }

              if ( attrsonly ) {
                     if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
                            ACL_READ, &acl_state ) )
                     {
                            Debug( LDAP_DEBUG_ACL, "send_search_entry: "
                                   "conn %lu access to attribute %s not allowed\n",
                                    op->o_connid, desc->ad_cname.bv_val, 0 );
                            continue;
                     }

                     if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
                            Debug( LDAP_DEBUG_ANY, 
                                   "send_search_entry: conn %lu  ber_printf failed\n", 
                                   op->o_connid, 0, 0 );

                            if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                            send_ldap_error( op, rs, LDAP_OTHER,
                                   "encoding description error");
                            rc = rs->sr_err;
                            goto error_return;
                     }
                     finish = 1;

              } else {
                     int first = 1;
                     for ( i = 0; a->a_nvals[i].bv_val != NULL; i++ ) {
                            if ( ! access_allowed( op, rs->sr_entry,
                                   desc, &a->a_nvals[i], ACL_READ, &acl_state ) )
                            {
                                   Debug( LDAP_DEBUG_ACL,
                                          "send_search_entry: conn %lu "
                                          "access to attribute %s, value #%d not allowed\n",
                                          op->o_connid, desc->ad_cname.bv_val, i );

                                   continue;
                            }

                            if ( op->o_vrFilter && e_flags[j][i] == 0 ){
                                   continue;
                            }

                            if ( first ) {
                                   first = 0;
                                   finish = 1;
                                   if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
                                          Debug( LDAP_DEBUG_ANY,
                                                 "send_search_entry: conn %lu  ber_printf failed\n", 
                                                 op->o_connid, 0, 0 );

                                          if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                          send_ldap_error( op, rs, LDAP_OTHER,
                                                 "encoding description error");
                                          rc = rs->sr_err;
                                          goto error_return;
                                   }
                            }
                            if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
                                   Debug( LDAP_DEBUG_ANY,
                                          "send_search_entry: conn %lu  "
                                          "ber_printf failed.\n", op->o_connid, 0, 0 );

                                   if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                   send_ldap_error( op, rs, LDAP_OTHER,
                                          "encoding values error" );
                                   rc = rs->sr_err;
                                   goto error_return;
                            }
                     }
              }

              if ( finish && ( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
                     Debug( LDAP_DEBUG_ANY,
                            "send_search_entry: conn %lu ber_printf failed\n", 
                            op->o_connid, 0, 0 );

                     if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                     send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
                     rc = rs->sr_err;
                     goto error_return;
              }
       }

       /* NOTE: moved before overlays callback circling because
        * they may modify entry and other stuff in rs */
       if ( rs->sr_operational_attrs != NULL && op->o_vrFilter != NULL ) {
              int    k = 0;
              size_t size;

              for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
                     for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
              }

              size = i * sizeof(char *) + k;
              if ( size > 0 ) {
                     char   *a_flags, **tmp;
              
                     /*
                      * Reuse previous memory - we likely need less space
                      * for operational attributes
                      */
                     tmp = slap_sl_realloc( e_flags, i * sizeof(char *) + k,
                            op->o_tmpmemctx );
                     if ( tmp == NULL ) {
                            Debug( LDAP_DEBUG_ANY,
                                   "send_search_entry: conn %lu "
                                   "not enough memory "
                                   "for matched values filtering\n",
                                   op->o_connid, 0, 0 );
                            if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                            send_ldap_error( op, rs, LDAP_OTHER,
                                   "not enough memory for matched values filtering" );
                            goto error_return;
                     }
                     e_flags = tmp;
                     a_flags = (char *)(e_flags + i);
                     memset( a_flags, 0, k );
                     for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
                            for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
                            e_flags[i] = a_flags;
                            a_flags += j;
                     }
                     rc = filter_matched_values(op, rs->sr_operational_attrs, &e_flags) ; 
                  
                     if ( rc == -1 ) {
                            Debug( LDAP_DEBUG_ANY,
                                   "send_search_entry: conn %lu "
                                   "matched values filtering failed\n", 
                                   op->o_connid, 0, 0);
                            if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                            send_ldap_error( op, rs, LDAP_OTHER,
                                   "matched values filtering error" );
                            rc = rs->sr_err;
                            goto error_return;
                     }
              }
       }

       for (a = rs->sr_operational_attrs, j=0; a != NULL; a = a->a_next, j++ ) {
              AttributeDescription *desc = a->a_desc;

              if ( rs->sr_attrs == NULL ) {
                     /* all user attrs request, skip operational attributes */
                     if( is_at_operational( desc->ad_type ) ) {
                            continue;
                     }

              } else {
                     /* specific attrs requested */
                     if( is_at_operational( desc->ad_type ) ) {
                            if ( !SLAP_OPATTRS( rs->sr_attr_flags ) && 
                                   !ad_inlist( desc, rs->sr_attrs ) )
                            {
                                   continue;
                            }
                            /* if DSA-specific and replicating, skip */
                            if ( op->o_sync != SLAP_CONTROL_NONE &&
                                   desc->ad_type->sat_usage == LDAP_SCHEMA_DSA_OPERATION )
                                   continue;
                     } else {
                            if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
                                   continue;
                            }
                     }
              }

              if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
                     ACL_READ, &acl_state ) )
              {
                     Debug( LDAP_DEBUG_ACL,
                            "send_search_entry: conn %lu "
                            "access to attribute %s not allowed\n",
                            op->o_connid, desc->ad_cname.bv_val, 0 );

                     continue;
              }

              rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
              if ( rc == -1 ) {
                     Debug( LDAP_DEBUG_ANY,
                            "send_search_entry: conn %lu  "
                            "ber_printf failed\n", op->o_connid, 0, 0 );

                     if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                     send_ldap_error( op, rs, LDAP_OTHER,
                            "encoding description error" );
                     rc = rs->sr_err;
                     goto error_return;
              }

              if ( ! attrsonly ) {
                     for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
                            if ( ! access_allowed( op, rs->sr_entry,
                                   desc, &a->a_vals[i], ACL_READ, &acl_state ) )
                            {
                                   Debug( LDAP_DEBUG_ACL,
                                          "send_search_entry: conn %lu "
                                          "access to %s, value %d not allowed\n",
                                          op->o_connid, desc->ad_cname.bv_val, i );

                                   continue;
                            }

                            if ( op->o_vrFilter && e_flags[j][i] == 0 ){
                                   continue;
                            }

                            if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
                                   Debug( LDAP_DEBUG_ANY,
                                          "send_search_entry: conn %lu  ber_printf failed\n", 
                                          op->o_connid, 0, 0 );

                                   if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                   send_ldap_error( op, rs, LDAP_OTHER,
                                          "encoding values error" );
                                   rc = rs->sr_err;
                                   goto error_return;
                            }
                     }
              }

              if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
                     Debug( LDAP_DEBUG_ANY,
                            "send_search_entry: conn %lu  ber_printf failed\n",
                            op->o_connid, 0, 0 );

                     if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                     send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
                     rc = rs->sr_err;
                     goto error_return;
              }
       }

       /* free e_flags */
       if ( e_flags ) {
              slap_sl_free( e_flags, op->o_tmpmemctx );
              e_flags = NULL;
       }

       rc = ber_printf( ber, /*{{*/ "}N}" );

       if( rc != -1 ) {
              rc = send_ldap_controls( op, ber, rs->sr_ctrls );
       }

       if( rc != -1 ) {
#ifdef LDAP_CONNECTIONLESS
              if( op->o_conn && op->o_conn->c_is_udp ) {
                     if ( op->o_protocol != LDAP_VERSION2 ) {
                            rc = ber_printf( ber, /*{*/ "N}" );
                     }
              } else
#endif
              if ( op->o_res_ber == NULL ) {
                     rc = ber_printf( ber, /*{*/ "N}" );
              }
       }

       if ( rc == -1 ) {
              Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );

              if ( op->o_res_ber == NULL ) ber_free_buf( ber );
              send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
              rc = rs->sr_err;
              goto error_return;
       }

       Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
           op->o_log_prefix, rs->sr_entry->e_nname.bv_val, 0, 0, 0 );

       rs_flush_entry( op, rs, NULL );

       if ( op->o_res_ber == NULL ) {
              bytes = send_ldap_ber( op, ber );
              ber_free_buf( ber );

              if ( bytes < 0 ) {
                     Debug( LDAP_DEBUG_ANY,
                            "send_search_entry: conn %lu  ber write failed.\n", 
                            op->o_connid, 0, 0 );

                     rc = LDAP_UNAVAILABLE;
                     goto error_return;
              }
              rs->sr_nentries++;

              ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
              ldap_pvt_mp_add_ulong( op->o_counters->sc_bytes, (unsigned long)bytes );
              ldap_pvt_mp_add_ulong( op->o_counters->sc_entries, 1 );
              ldap_pvt_mp_add_ulong( op->o_counters->sc_pdu, 1 );
              ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
       }

       Debug( LDAP_DEBUG_TRACE,
              "<= send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );

       rc = LDAP_SUCCESS;

error_return:;
       if ( op->o_callback ) {
              (void)slap_cleanup_play( op, rs );
       }

       if ( e_flags ) {
              slap_sl_free( e_flags, op->o_tmpmemctx );
       }

       /* FIXME: Can break if rs now contains an extended response */
       if ( rs->sr_operational_attrs ) {
              attrs_free( rs->sr_operational_attrs );
              rs->sr_operational_attrs = NULL;
       }
       rs->sr_attr_flags = SLAP_ATTRS_UNDEFINED;

       if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
              rs_flush_entry( op, rs, NULL );
       } else {
              RS_ASSERT( (rs->sr_flags & REP_ENTRY_MASK) == 0 );
       }

       if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED ) {
              rs->sr_flags ^= REP_CTRLS_MUSTBEFREED; /* paranoia */
              if ( rs->sr_ctrls ) {
                     slap_free_ctrls( op, rs->sr_ctrls );
                     rs->sr_ctrls = NULL;
              }
       }

       return( rc );
}

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Definition at line 1485 of file result.c.

{
       BerElementBuffer berbuf;
       BerElement    *ber = (BerElement *) &berbuf;
       int rc = 0;
       int bytes;
       char *edn = rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)";

       AttributeDescription *ad_ref = slap_schema.si_ad_ref;
       AttributeDescription *ad_entry = slap_schema.si_ad_entry;

       rs->sr_type = REP_SEARCHREF;
       if ( op->o_callback ) {
              rc = slap_response_play( op, rs );
              if ( rc != SLAP_CB_CONTINUE ) {
                     goto rel;
              }
       }

       Debug( LDAP_DEBUG_TRACE,
              "=> send_search_reference: dn=\"%s\"\n",
              edn, 0, 0 );

       if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
              ad_entry, NULL, ACL_READ, NULL ) )
       {
              Debug( LDAP_DEBUG_ACL,
                     "send_search_reference: access to entry not allowed\n",
                  0, 0, 0 );
              rc = 1;
              goto rel;
       }

       if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
              ad_ref, NULL, ACL_READ, NULL ) )
       {
              Debug( LDAP_DEBUG_ACL,
                     "send_search_reference: access "
                     "to reference not allowed\n",
                  0, 0, 0 );
              rc = 1;
              goto rel;
       }

       if( op->o_domain_scope ) {
              Debug( LDAP_DEBUG_ANY,
                     "send_search_reference: domainScope control in (%s)\n", 
                     edn, 0, 0 );
              rc = 0;
              goto rel;
       }

       if( rs->sr_ref == NULL ) {
              Debug( LDAP_DEBUG_ANY,
                     "send_search_reference: null ref in (%s)\n", 
                     edn, 0, 0 );
              rc = 1;
              goto rel;
       }

       if( op->o_protocol < LDAP_VERSION3 ) {
              rc = 0;
              /* save the references for the result */
              if( rs->sr_ref[0].bv_val != NULL ) {
                     if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
                            rc = LDAP_OTHER;
              }
              goto rel;
       }

#ifdef LDAP_CONNECTIONLESS
       if( op->o_conn && op->o_conn->c_is_udp ) {
              ber = op->o_res_ber;
       } else
#endif
       {
              ber_init_w_nullc( ber, LBER_USE_DER );
              ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
       }

       rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
              LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );

       if( rc != -1 ) {
              rc = send_ldap_controls( op, ber, rs->sr_ctrls );
       }

       if( rc != -1 ) {
              rc = ber_printf( ber, /*"{"*/ "N}" );
       }

       if ( rc == -1 ) {
              Debug( LDAP_DEBUG_ANY,
                     "send_search_reference: ber_printf failed\n", 0, 0, 0 );

#ifdef LDAP_CONNECTIONLESS
              if (!op->o_conn || op->o_conn->c_is_udp == 0)
#endif
              ber_free_buf( ber );
              send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
              goto rel;
       }

       rc = 0;
       rs_flush_entry( op, rs, NULL );

#ifdef LDAP_CONNECTIONLESS
       if (!op->o_conn || op->o_conn->c_is_udp == 0) {
#endif
       bytes = send_ldap_ber( op, ber );
       ber_free_buf( ber );

       if ( bytes < 0 ) {
              rc = LDAP_UNAVAILABLE;
       } else {
              ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
              ldap_pvt_mp_add_ulong( op->o_counters->sc_bytes, (unsigned long)bytes );
              ldap_pvt_mp_add_ulong( op->o_counters->sc_refs, 1 );
              ldap_pvt_mp_add_ulong( op->o_counters->sc_pdu, 1 );
              ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
       }
#ifdef LDAP_CONNECTIONLESS
       }
#endif
       if ( rs->sr_ref != NULL ) {
              int    r;

              for ( r = 0; !BER_BVISNULL( &rs->sr_ref[ r ] ); r++ ) {
                     Statslog( LDAP_DEBUG_STATS2, "%s REF #%d \"%s\"\n",
                            op->o_log_prefix, r, rs->sr_ref[0].bv_val,
                            0, 0 );
              }

       } else {
              Statslog( LDAP_DEBUG_STATS2, "%s REF \"(null)\"\n",
                     op->o_log_prefix, 0, 0, 0, 0 );
       }

       Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );

       if ( 0 ) {
rel:
           rs_flush_entry( op, rs, NULL );
       }

       if ( op->o_callback ) {
              (void)slap_cleanup_play( op, rs );
       }

       if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED ) {
              rs->sr_flags ^= REP_CTRLS_MUSTBEFREED; /* paranoia */
              if ( rs->sr_ctrls ) {
                     slap_free_ctrls( op, rs->sr_ctrls );
                     rs->sr_ctrls = NULL;
              }
       }

       return rc;
}

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int str2result ( char *  s,
int code,
char **  matched,
char **  info 
)

Definition at line 1646 of file result.c.

{
       int    rc;
       char   *c;

       *code = LDAP_SUCCESS;
       *matched = NULL;
       *info = NULL;

       if ( strncasecmp( s, "RESULT", STRLENOF( "RESULT" ) ) != 0 ) {
              Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
                  s, 0, 0 );

              return( -1 );
       }

       rc = 0;
       while ( (s = strchr( s, '\n' )) != NULL ) {
              *s++ = '\0';
              if ( *s == '\0' ) {
                     break;
              }
              if ( (c = strchr( s, ':' )) != NULL ) {
                     c++;
              }

              if ( strncasecmp( s, "code", STRLENOF( "code" ) ) == 0 ) {
                     char   *next = NULL;
                     long   retcode;

                     if ( c == NULL ) {
                            Debug( LDAP_DEBUG_ANY, "str2result (%s) missing value\n",
                                s, 0, 0 );
                            rc = -1;
                            continue;
                     }

                     while ( isspace( (unsigned char) c[ 0 ] ) ) c++;
                     if ( c[ 0 ] == '\0' ) {
                            Debug( LDAP_DEBUG_ANY, "str2result (%s) missing or empty value\n",
                                s, 0, 0 );
                            rc = -1;
                            continue;
                     }

                     retcode = strtol( c, &next, 10 );
                     if ( next == NULL || next == c ) {
                            Debug( LDAP_DEBUG_ANY, "str2result (%s) unable to parse value\n",
                                s, 0, 0 );
                            rc = -1;
                            continue;
                     }

                     while ( isspace( (unsigned char) next[ 0 ] ) && next[ 0 ] != '\n' )
                            next++;
                     if ( next[ 0 ] != '\0' && next[ 0 ] != '\n' ) {
                            Debug( LDAP_DEBUG_ANY, "str2result (%s) extra cruft after value\n",
                                s, 0, 0 );
                            rc = -1;
                            continue;
                     }

                     /* FIXME: what if it's larger than max int? */
                     *code = (int)retcode;

              } else if ( strncasecmp( s, "matched", STRLENOF( "matched" ) ) == 0 ) {
                     if ( c != NULL ) {
                            *matched = c;
                     }
              } else if ( strncasecmp( s, "info", STRLENOF( "info" ) ) == 0 ) {
                     if ( c != NULL ) {
                            *info = c;
                     }
              } else {
                     Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
                         s, 0, 0 );

                     rc = -1;
              }
       }

       return( rc );
}

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static char* v2ref ( BerVarray  ref,
const char *  text 
) [static]

Definition at line 57 of file result.c.

{
       size_t len = 0, i = 0;
       char *v2;

       if(ref == NULL) {
              if (text) {
                     return ch_strdup(text);
              } else {
                     return NULL;
              }
       }
       
       if ( text != NULL ) {
              len = strlen( text );
              if (text[len-1] != '\n') {
                  i = 1;
              }
       }

       v2 = ch_malloc( len+i+sizeof("Referral:") );

       if( text != NULL ) {
              strcpy(v2, text);
              if( i ) {
                     v2[len++] = '\n';
              }
       }
       strcpy( v2+len, "Referral:" );
       len += sizeof("Referral:");

       for( i=0; ref[i].bv_val != NULL; i++ ) {
              v2 = ch_realloc( v2, len + ref[i].bv_len + 1 );
              v2[len-1] = '\n';
              AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
              len += ref[i].bv_len;
              if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
                     ++len;
              }
       }

       v2[len-1] = '\0';
       return v2;
}

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