/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2008 The OpenLDAP Foundation.
+ * Copyright 1998-2011 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
return tag;
}
+/* SlapReply debugging, prodo-slap.h overrides it in OpenLDAP releases */
+#if defined(LDAP_TEST) || (defined(USE_RS_ASSERT) && (USE_RS_ASSERT))
+
+int rs_suppress_assert = 0;
+
+/* RS_ASSERT() helper function */
+void rs_assert_(const char*file, unsigned line, const char*fn, const char*cond)
+{
+ int no_assert = rs_suppress_assert, save_errno = errno;
+ const char *s;
+
+ if ( no_assert >= 0 ) {
+ if ( no_assert == 0 && (s = getenv( "NO_RS_ASSERT" )) && *s ) {
+ no_assert = rs_suppress_assert = atoi( s );
+ }
+ if ( no_assert > 0 ) {
+ errno = save_errno;
+ return;
+ }
+ }
+
+#ifdef rs_assert_ /* proto-slap.h #defined away the fn parameter */
+ fprintf( stderr,"%s:%u: " "RS_ASSERT(%s) failed.\n", file,line,cond );
+#else
+ fprintf( stderr,"%s:%u: %s: RS_ASSERT(%s) failed.\n", file,line,fn,cond );
+#endif
+ fflush( stderr );
+
+ errno = save_errno;
+ /* $NO_RS_ASSERT > 0: ignore rs_asserts, 0: abort, < 0: just warn */
+ if ( !no_assert /* from $NO_RS_ASSERT */ ) abort();
+}
+
+/* SlapReply is consistent */
+void
+(rs_assert_ok)( const SlapReply *rs )
+{
+ const slap_mask_t flags = rs->sr_flags;
+
+ if ( flags & REP_ENTRY_MASK ) {
+ RS_ASSERT( !(flags & REP_ENTRY_MUSTRELEASE)
+ || !(flags & (REP_ENTRY_MASK ^ REP_ENTRY_MUSTRELEASE)) );
+ RS_ASSERT( rs->sr_entry != NULL );
+ RS_ASSERT( (1 << rs->sr_type) &
+ ((1 << REP_SEARCH) | (1 << REP_SEARCHREF) |
+ (1 << REP_RESULT) | (1 << REP_GLUE_RESULT)) );
+ }
+#if defined(USE_RS_ASSERT) && (USE_RS_ASSERT) > 1 /* TODO: Enable when safe */
+ if ( (flags & (REP_MATCHED_MASK | REP_REF_MASK | REP_CTRLS_MASK)) ) {
+ RS_ASSERT( !(flags & REP_MATCHED_MASK) || rs->sr_matched );
+ RS_ASSERT( !(flags & REP_CTRLS_MASK ) || rs->sr_ctrls );
+ /* Note: LDAP_REFERRAL + !sr_ref is OK, becomes LDAP_NO_SUCH_OBJECT */
+ }
+#if (USE_RS_ASSERT) > 2
+ if ( rs->sr_err == LDAP_SUCCESS ) {
+ RS_ASSERT( rs->sr_text == NULL );
+ RS_ASSERT( rs->sr_matched == NULL );
+ }
+#endif
+#endif
+}
+
+/* Ready for calling a new backend operation */
+void
+(rs_assert_ready)( const SlapReply *rs )
+{
+ RS_ASSERT( !rs->sr_entry );
+#if defined(USE_RS_ASSERT) && (USE_RS_ASSERT) > 1 /* TODO: Enable when safe */
+ RS_ASSERT( !rs->sr_text );
+ RS_ASSERT( !rs->sr_ref );
+ RS_ASSERT( !rs->sr_matched );
+ RS_ASSERT( !rs->sr_ctrls );
+ RS_ASSERT( !rs->sr_flags );
+#if (USE_RS_ASSERT) > 2
+ RS_ASSERT( rs->sr_err == LDAP_SUCCESS );
+#endif
+#else
+ RS_ASSERT( !(rs->sr_flags & REP_ENTRY_MASK) );
+#endif
+}
+
+/* Backend operation done */
+void
+(rs_assert_done)( const SlapReply *rs )
+{
+#if defined(USE_RS_ASSERT) && (USE_RS_ASSERT) > 1 /* TODO: Enable when safe */
+ RS_ASSERT( !(rs->sr_flags & ~(REP_ENTRY_MODIFIABLE|REP_NO_OPERATIONALS)) );
+ rs_assert_ok( rs );
+#else
+ RS_ASSERT( !(rs->sr_flags & REP_ENTRY_MUSTFLUSH) );
+#endif
+}
+
+#endif /* LDAP_TEST || USE_RS_ASSERT */
+
+/* Reset a used SlapReply whose contents has been flushed (freed/released) */
+void
+(rs_reinit)( SlapReply *rs, slap_reply_t type )
+{
+ rs_reinit( rs, type ); /* proto-slap.h macro */
+}
+
+/* Obey and clear rs->sr_flags & REP_ENTRY_MASK. Clear sr_entry if freed. */
+void
+rs_flush_entry( Operation *op, SlapReply *rs, slap_overinst *on )
+{
+ 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;
+}
+
+/* Set rs->sr_entry after obeying and clearing sr_flags & REP_ENTRY_MASK. */
+void
+rs_replace_entry( Operation *op, SlapReply *rs, slap_overinst *on, Entry *e )
+{
+ rs_flush_entry( op, rs, on );
+ rs->sr_entry = e;
+}
+
+/*
+ * Ensure rs->sr_entry is modifiable, by duplicating it if necessary.
+ * Obey sr_flags. Set REP_ENTRY_<MODIFIABLE, and MUSTBEFREED if duplicated>.
+ * Return nonzero if rs->sr_entry was replaced.
+ */
+int
+rs_entry2modifiable( Operation *op, SlapReply *rs, slap_overinst *on )
+{
+ 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;
+}
+
static long send_ldap_ber(
- Connection *conn,
+ Operation *op,
BerElement *ber )
{
+ Connection *conn = op->o_conn;
ber_len_t bytes;
long ret = 0;
- int closing = 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 );
- while ( conn->c_writers > 0 ) {
+ 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 ) {
- closing = 1;
/* 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;
}
- conn->c_writers++;
- ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
-
- if ( closing )
- return 0;
+ /* Our turn */
+ conn->c_writing = 1;
/* write the pdu */
while( 1 ) {
int err;
/* lock the connection */
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ 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 );
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 );
-
- ret = -1;
- break;
+ 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, 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_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_mutex_lock( &conn->c_write1_mutex );
- closing = ( conn->c_writers < 0 );
- ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
- if ( closing ) {
+ if ( conn->c_writers < 0 ) {
ret = 0;
break;
}
}
- ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+ conn->c_writing = 0;
if ( conn->c_writers < 0 ) {
conn->c_writers++;
if ( !conn->c_writers )
ber_printf( sber, "{e}", LDAP_UNWILLING_TO_PERFORM );
- if( ber_flatten2( ber, &sorted.ldctl_value, 0 ) == -1 ) {
+ if( ber_flatten2( sber, &sorted.ldctl_value, 0 ) == -1 ) {
return -1;
}
- (void) ber_free_buf( ber );
+ (void) ber_free_buf( sber );
rc = send_ldap_control( ber, &sorted );
if( rc == -1 ) return rc;
int rc = LDAP_SUCCESS;
long bytes;
- if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon ) {
+ if (( rs->sr_err == SLAPD_ABANDON || op->o_abandon ) && !op->o_cancel ) {
rc = SLAPD_ABANDON;
goto clean2;
}
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, rs->sr_err );
+ rs->sr_msgid, rs->sr_tag, rc );
if( rs->sr_ref ) {
Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
op->o_protocol == LDAP_VERSION2 )
{
rc = ber_printf( ber, "t{ess" /*"}"*/,
- rs->sr_tag, rs->sr_err,
+ rs->sr_tag, rc,
rs->sr_matched == NULL ? "" : rs->sr_matched,
rs->sr_text == NULL ? "" : rs->sr_text );
} else
} else {
rc = ber_printf( ber, "{it{ess" /*"}}"*/,
- rs->sr_msgid, rs->sr_tag, rs->sr_err,
+ rs->sr_msgid, rs->sr_tag, rc,
rs->sr_matched == NULL ? "" : rs->sr_matched,
rs->sr_text == NULL ? "" : rs->sr_text );
}
}
/* send BER */
- bytes = send_ldap_ber( op->o_conn, ber );
+ bytes = send_ldap_ber( op, ber );
#ifdef LDAP_CONNECTIONLESS
if (!op->o_conn || op->o_conn->c_is_udp == 0)
#endif
|| (e) == LDAP_STRONG_AUTH_REQUIRED \
|| (e) == LDAP_UNAVAILABLE )
- assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
-
- rs->sr_type = REP_EXTENDED;
-
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;
if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon )
goto abandon;
- assert( !LDAP_API_ERROR( rs->sr_err ) );
-
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 ) {
void
send_ldap_sasl( Operation *op, SlapReply *rs )
{
- rs->sr_type = REP_SASL;
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;
void
slap_send_ldap_extended( Operation *op, SlapReply *rs )
{
- rs->sr_type = REP_EXTENDED;
-
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;
void
slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
{
- rs->sr_type = REP_INTERMEDIATE;
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 ) {
if( e_flags == NULL ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu slap_sl_calloc failed\n",
- op->o_connid ? op->o_connid : 0, 0, 0 );
+ op->o_connid, 0, 0 );
ber_free( ber, 1 );
send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY, "send_search_entry: "
"conn %lu matched values filtering failed\n",
- op->o_connid ? op->o_connid : 0, 0, 0 );
+ 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" );
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu "
"matched values filtering failed\n",
- op->o_connid ? op->o_connid : 0, 0, 0);
+ 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" );
Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
op->o_log_prefix, rs->sr_entry->e_nname.bv_val, 0, 0, 0 );
- if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
- be_entry_release_rw( op, rs->sr_entry, 0 );
- rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
- rs->sr_entry = NULL;
- }
+ rs_flush_entry( op, rs, NULL );
if ( op->o_res_ber == NULL ) {
- bytes = send_ldap_ber( op->o_conn, ber );
+ bytes = send_ldap_ber( op, ber );
ber_free_buf( ber );
if ( bytes < 0 ) {
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;
- /* FIXME: I think rs->sr_type should be explicitly set to
- * REP_SEARCH here. That's what it was when we entered this
- * function. send_ldap_error may have changed it, but we
- * should set it back so that the cleanup functions know
- * what they're doing.
- */
- if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH
- && rs->sr_entry
- && ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) )
- {
- entry_free( rs->sr_entry );
- rs->sr_entry = NULL;
- rs->sr_flags &= ~REP_ENTRY_MUSTBEFREED;
+ 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 );
}
rc = 0;
- if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
- assert( rs->sr_entry != NULL );
- be_entry_release_rw( op, rs->sr_entry, 0 );
- rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
- rs->sr_entry = NULL;
- }
+ 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->o_conn, ber );
+ bytes = send_ldap_ber( op, ber );
ber_free_buf( ber );
if ( bytes < 0 ) {
(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;
}
flags |= ( SLAP_OPATTRS_NO | SLAP_USERATTRS_YES );
} else {
- flags |= an_find( an, &AllOper )
+ flags |= an_find( an, slap_bv_all_operational_attrs )
? SLAP_OPATTRS_YES : SLAP_OPATTRS_NO;
- flags |= an_find( an, &AllUser )
+ flags |= an_find( an, slap_bv_all_user_attrs )
? SLAP_USERATTRS_YES : SLAP_USERATTRS_NO;
}
return flags;
}
-
projects / openldap / blobdiff