X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fresult.c;h=bb27c760f3638cbc3cd7872e5db45e9fea6d416d;hb=d1824b14ae78b128fb9ff6cf73d2ec4a0e756a90;hp=5b085af13821e5338034bb4f16640e588f3d7789;hpb=ea83f6a66972de84aa3efe2cd53f50f69465588c;p=openldap
diff --git a/servers/slapd/result.c b/servers/slapd/result.c
index 5b085af138..bb27c760f3 100644
--- a/servers/slapd/result.c
+++ b/servers/slapd/result.c
@@ -2,7 +2,7 @@
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software .
*
- * Copyright 1998-2005 The OpenLDAP Foundation.
+ * Copyright 1998-2006 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,6 @@
#include
#include "slap.h"
-#include "lutil.h"
const struct berval slap_dummy_bv = BER_BVNULL;
@@ -83,11 +82,7 @@ static char *v2ref( BerVarray ref, const char *text )
}
}
- v2 = SLAP_MALLOC( len+i+sizeof("Referral:") );
- if( v2 == NULL ) {
- Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
- return NULL;
- }
+ v2 = ch_malloc( len+i+sizeof("Referral:") );
if( text != NULL ) {
strcpy(v2, text);
@@ -99,11 +94,7 @@ static char *v2ref( BerVarray ref, const char *text )
len += sizeof("Referral:");
for( i=0; ref[i].bv_val != NULL; i++ ) {
- v2 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 );
- if( v2 == NULL ) {
- Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
- return NULL;
- }
+ 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;
@@ -175,7 +166,7 @@ static long send_ldap_ber(
return 0;
}
- if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
+ if ( ber_flush2( conn->c_sb, ber, LBER_FLUSH_FREE_NEVER ) == 0 ) {
break;
}
@@ -187,7 +178,7 @@ static long send_ldap_ber(
* it's a hard error and return.
*/
- Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
+ Debug( LDAP_DEBUG_CONNS, "ber_flush2 failed errno=%d reason=\"%s\"\n",
err, sock_errstr(err), 0 );
if ( err != EWOULDBLOCK && err != EAGAIN ) {
@@ -286,6 +277,144 @@ send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
return rc;
}
+/*
+ * slap_response_play()
+ *
+ * plays the callback list; rationale: a callback can
+ * - remove itself from the list, by setting op->o_callback = NULL;
+ * malloc()'ed callbacks should free themselves from inside the
+ * sc_response() function.
+ * - replace itself with another (list of) callback(s), by setting
+ * op->o_callback = a new (list of) callback(s); in this case, it
+ * is the callback's responsibility to to append existing subsequent
+ * callbacks to the end of the list that is passed to the sc_response()
+ * function.
+ * - modify the list of subsequent callbacks by modifying the value
+ * of the sc_next field from inside the sc_response() function; this
+ * case does not require any handling from inside slap_response_play()
+ *
+ * To stop execution of the playlist, the sc_response() function must return
+ * a value different from SLAP_SC_CONTINUE.
+ *
+ * The same applies to slap_cleanup_play(); only, there is no means to stop
+ * execution of the playlist, since all cleanup functions must be called.
+ */
+static int
+slap_response_play(
+ Operation *op,
+ SlapReply *rs )
+{
+ int rc;
+
+#ifdef LDAP_DEVEL
+ slap_callback *sc = op->o_callback, **scp;
+
+ rc = SLAP_CB_CONTINUE;
+ for ( scp = ≻ *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;
+#else /* ! LDAP_DEVEL */
+ slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
+
+ rc = SLAP_CB_CONTINUE;
+ for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
+ sc_next = op->o_callback->sc_next;
+ if ( op->o_callback->sc_response ) {
+ slap_callback *sc2 = op->o_callback;
+ rc = op->o_callback->sc_response( op, rs );
+ if ( op->o_callback != sc2 ) {
+ *sc_prev = op->o_callback;
+ }
+ if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
+ if ( op->o_callback != sc2 ) continue;
+ }
+ sc_prev = &op->o_callback->sc_next;
+ }
+
+ op->o_callback = sc;
+#endif /* ! LDAP_DEVEL */
+
+ return rc;
+}
+
+static int
+slap_cleanup_play(
+ Operation *op,
+ SlapReply *rs )
+{
+#ifdef LDAP_DEVEL
+ slap_callback *sc = op->o_callback, **scp;
+
+ for ( scp = ≻ *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;
+#else /* ! LDAP_DEVEL */
+ slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
+
+ for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
+ sc_next = op->o_callback->sc_next;
+ if ( op->o_callback->sc_cleanup ) {
+ slap_callback *sc2 = op->o_callback;
+ (void)op->o_callback->sc_cleanup( op, rs );
+ if ( op->o_callback != sc2 ) {
+ *sc_prev = op->o_callback;
+ }
+ if ( !op->o_callback ) break;
+ if ( op->o_callback != sc2 ) continue;
+ }
+ sc_prev = &op->o_callback->sc_next;
+ }
+
+ op->o_callback = sc;
+#endif /* ! LDAP_DEVEL */
+
+ return LDAP_SUCCESS;
+}
+
static int
send_ldap_response(
Operation *op,
@@ -296,29 +425,16 @@ send_ldap_response(
int rc = LDAP_SUCCESS;
long bytes;
- if ( rs->sr_err == SLAPD_ABANDON ) {
+ if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon ) {
rc = SLAPD_ABANDON;
goto clean2;
}
if ( op->o_callback ) {
- slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
-
- rc = SLAP_CB_CONTINUE;
- for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
- sc_next = op->o_callback->sc_next;
- if ( op->o_callback->sc_response ) {
- rc = op->o_callback->sc_response( op, rs );
- if ( op->o_callback != *sc_prev ) {
- *sc_prev = op->o_callback;
- }
- if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
- }
- sc_prev = &op->o_callback->sc_next;
+ rc = slap_response_play( op, rs );
+ if ( rc != SLAP_CB_CONTINUE ) {
+ goto clean2;
}
-
- op->o_callback = sc;
- if ( rc != SLAP_CB_CONTINUE ) goto clean2;
}
#ifdef LDAP_CONNECTIONLESS
@@ -456,23 +572,9 @@ cleanup:;
clean2:;
if ( op->o_callback ) {
- slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
-
- for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
- sc_next = op->o_callback->sc_next;
- if ( op->o_callback->sc_cleanup ) {
- (void)op->o_callback->sc_cleanup( op, rs );
- if ( op->o_callback != *sc_prev ) {
- *sc_prev = op->o_callback;
- }
- if ( !op->o_callback ) break;
- }
- sc_prev = &op->o_callback->sc_next;
- }
- op->o_callback = sc;
+ (void)slap_cleanup_play( op, rs );
}
-
if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
free( (char *)rs->sr_matched );
rs->sr_matched = NULL;
@@ -532,7 +634,7 @@ slap_send_ldap_result( Operation *op, SlapReply *rs )
rs->sr_type = REP_RESULT;
/* Propagate Abandons so that cleanup callbacks can be processed */
- if ( rs->sr_err == SLAPD_ABANDON )
+ if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon )
goto abandon;
assert( !LDAP_API_ERROR( rs->sr_err ) );
@@ -557,11 +659,8 @@ slap_send_ldap_result( Operation *op, SlapReply *rs )
assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
if ( rs->sr_err == LDAP_REFERRAL ) {
-#ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
- if( op->o_domain_scope ) {
- rs->sr_ref = NULL;
- }
-#endif
+ 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 ) {
@@ -665,10 +764,11 @@ slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
/*
* returns:
*
- * 0 entry sent
- * 1 entry not sent (other)
- * -1 entry not sent (connection closed)
- * SLAPD_SEND_SIZELIMIT entry not sent (caller must send sizelimitExceeded)
+ * LDAP_SUCCESS entry sent
+ * LDAP_OTHER entry not sent (other)
+ * LDAP_INSUFFICIENT_ACCESS entry not sent (ACL)
+ * LDAP_UNAVAILABLE entry not sent (connection closed)
+ * LDAP_SIZELIMIT_EXCEEDED entry not sent (caller must send sizelimitExceeded)
*/
int
@@ -677,7 +777,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
BerElementBuffer berbuf;
BerElement *ber = (BerElement *) &berbuf;
Attribute *a;
- int i, j, rc=-1, bytes;
+ int i, j, rc = LDAP_UNAVAILABLE, bytes;
char *edn;
int userattrs;
AccessControlState acl_state = ACL_STATE_INIT;
@@ -689,7 +789,11 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
* e_flags: array of a_flags
*/
char **e_flags = NULL;
-
+
+ if ( op->ors_slimit >= 0 && rs->sr_nentries >= op->ors_slimit ) {
+ return LDAP_SIZELIMIT_EXCEEDED;
+ }
+
rs->sr_type = REP_SEARCH;
/* eventually will loop through generated operational attribute types
@@ -698,7 +802,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
/* 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 se this flag at the operation level;
+ /* 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 );
@@ -709,24 +813,10 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
}
if ( op->o_callback ) {
- slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
-
- rc = SLAP_CB_CONTINUE;
- for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next )
- {
- sc_next = op->o_callback->sc_next;
- if ( op->o_callback->sc_response ) {
- rc = op->o_callback->sc_response( op, rs );
- if ( op->o_callback != *sc_prev ) {
- *sc_prev = op->o_callback;
- }
- if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
- }
- sc_prev = &op->o_callback->sc_next;
+ rc = slap_response_play( op, rs );
+ if ( rc != SLAP_CB_CONTINUE ) {
+ goto error_return;
}
-
- op->o_callback = sc;
- if ( rc != SLAP_CB_CONTINUE ) goto error_return;
}
Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: conn %lu dn=\"%s\"%s\n",
@@ -740,7 +830,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
"send_search_entry: conn %lu access to entry (%s) not allowed\n",
op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
- rc = 1;
+ rc = LDAP_INSUFFICIENT_ACCESS;
goto error_return;
}
@@ -786,6 +876,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
@@ -833,6 +924,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
}
@@ -882,6 +974,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
@@ -915,6 +1008,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
}
@@ -926,6 +1020,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
}
@@ -938,6 +1033,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
}
@@ -991,6 +1087,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
}
@@ -1040,6 +1137,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
@@ -1068,6 +1166,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
}
@@ -1080,6 +1179,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
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;
}
}
@@ -1114,7 +1214,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
- rc = 1;
+ rc = rs->sr_err;
goto error_return;
}
@@ -1125,15 +1225,6 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
}
if ( op->o_res_ber == NULL ) {
- if ( --op->ors_slimit == -1 ) {
- rc = SLAPD_SEND_SIZELIMIT;
- ber_free_buf( ber );
- /* putback, so dumb backends that don't
- * check sizelimit won't at least return
- * more than expected... */
- op->ors_slimit++;
- goto error_return;
- }
bytes = send_ldap_ber( op->o_conn, ber );
ber_free_buf( ber );
@@ -1142,7 +1233,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
"send_search_entry: conn %lu ber write failed.\n",
op->o_connid, 0, 0 );
- rc = -1;
+ rc = LDAP_UNAVAILABLE;
goto error_return;
}
rs->sr_nentries++;
@@ -1160,24 +1251,11 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
Debug( LDAP_DEBUG_TRACE,
"<= send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
- rc = 0;
+ rc = LDAP_SUCCESS;
error_return:;
if ( op->o_callback ) {
- slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
-
- for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
- sc_next = op->o_callback->sc_next;
- if ( op->o_callback->sc_cleanup ) {
- (void)op->o_callback->sc_cleanup( op, rs );
- if ( op->o_callback != *sc_prev ) {
- *sc_prev = op->o_callback;
- }
- if ( !op->o_callback ) break;
- }
- sc_prev = &op->o_callback->sc_next;
- }
- op->o_callback = sc;
+ (void)slap_cleanup_play( op, rs );
}
if ( e_flags ) {
@@ -1221,23 +1299,10 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
rs->sr_type = REP_SEARCHREF;
if ( op->o_callback ) {
- slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
-
- rc = SLAP_CB_CONTINUE;
- for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
- sc_next = op->o_callback->sc_next;
- if ( op->o_callback->sc_response ) {
- rc = op->o_callback->sc_response( op, rs );
- if ( op->o_callback != *sc_prev ) {
- *sc_prev = op->o_callback;
- }
- if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
- }
- sc_prev = &op->o_callback->sc_next;
+ rc = slap_response_play( op, rs );
+ if ( rc != SLAP_CB_CONTINUE ) {
+ goto rel;
}
-
- op->o_callback = sc;
- if ( rc != SLAP_CB_CONTINUE ) goto rel;
}
Debug( LDAP_DEBUG_TRACE,
@@ -1265,7 +1330,6 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
goto rel;
}
-#ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
if( op->o_domain_scope ) {
Debug( LDAP_DEBUG_ANY,
"send_search_reference: domainScope control in (%s)\n",
@@ -1273,7 +1337,6 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
rc = 0;
goto rel;
}
-#endif
if( rs->sr_ref == NULL ) {
Debug( LDAP_DEBUG_ANY,
@@ -1365,20 +1428,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
rel:
if ( op->o_callback ) {
- slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
-
- for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
- sc_next = op->o_callback->sc_next;
- if ( op->o_callback->sc_cleanup ) {
- (void)op->o_callback->sc_cleanup( op, rs );
- if ( op->o_callback != *sc_prev ) {
- *sc_prev = op->o_callback;
- }
- if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
- }
- sc_prev = &op->o_callback->sc_next;
- }
- op->o_callback = sc;
+ (void)slap_cleanup_play( op, rs );
}
return rc;
@@ -1416,9 +1466,43 @@ str2result(
}
if ( strncasecmp( s, "code", STRLENOF( "code" ) ) == 0 ) {
- if ( c != NULL && lutil_atoi( code, c ) != 0 ) {
- goto bailout;
+ 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++;
+ if ( next[ 0 ] != '\0' ) {
+ Debug( LDAP_DEBUG_ANY, "str2result (%s) extra cruft after value\n",
+ s, 0, 0 );
+ rc = -1;
+ continue;
}
+
+ /* FIXME: what if it's larger that max int? */
+ *code = (int)retcode;
+
} else if ( strncasecmp( s, "matched", STRLENOF( "matched" ) ) == 0 ) {
if ( c != NULL ) {
*matched = c;
@@ -1428,7 +1512,6 @@ str2result(
*info = c;
}
} else {
-bailout:;
Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
s, 0, 0 );
@@ -1471,6 +1554,7 @@ int slap_read_controls(
myop.o_bd = NULL;
myop.o_res_ber = ber;
myop.o_callback = NULL;
+ myop.ors_slimit = 1;
rc = slap_send_search_entry( &myop, rs );
if( rc ) return rc;