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openldap/servers/slapd/result.c

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/* result.c - routines to send ldap results, errors, and referrals */
/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/errno.h>
#include <ac/signal.h>
#include <ac/string.h>
#include <ac/ctype.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include "slap.h"
static char *v2ref( struct berval **ref, const char *text )
{
size_t len = 0, i = 0;
char *v2;
if(ref == NULL)
{
if (text)
return ch_strdup(text);
else
return NULL;
}
if (text) {
len = strlen( text );
if (text[len-1] != '\n')
i = 1;
}
v2 = ch_malloc( len+i+sizeof("Referral:") );
if (text) {
strcpy(v2, text);
if (i)
v2[len++] = '\n';
}
strcpy( v2+len, "Referral:" );
len += sizeof("Referral:");
for( i=0; ref[i] != NULL; i++ ) {
v2 = ch_realloc( v2, len + ref[i]->bv_len + 1 );
v2[len-1] = '\n';
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;
}
static ber_tag_t req2res( ber_tag_t tag )
{
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:
assert( 0 );
tag = LBER_ERROR;
}
return tag;
}
static void trim_refs_urls(
struct berval **refs )
{
unsigned i;
if( refs == NULL ) return;
for( i=0; refs[i] != NULL; i++ ) {
if( refs[i]->bv_len > sizeof("ldap://")-1 &&
strncasecmp( refs[i]->bv_val, "ldap://",
sizeof("ldap://")-1 ) == 0 )
{
unsigned j;
for( j=sizeof("ldap://")-1; j<refs[i]->bv_len ; j++ ) {
if( refs[i]->bv_val[j] == '/' ) {
refs[i]->bv_val[j] = '\0';
refs[i]->bv_len = j;
break;
}
}
}
}
}
struct berval **get_entry_referrals(
Backend *be,
Connection *conn,
Operation *op,
Entry *e )
{
Attribute *attr;
struct berval **refs;
unsigned i, j;
AttributeDescription *ad_ref = slap_schema.si_ad_ref;
attr = attr_find( e->e_attrs, ad_ref );
if( attr == NULL ) return NULL;
for( i=0; attr->a_vals[i] != NULL; i++ ) {
/* count references */
}
if( i < 1 ) return NULL;
refs = ch_malloc( (i + 1) * sizeof(struct berval *));
for( i=0, j=0; attr->a_vals[i] != NULL; i++ ) {
unsigned k;
struct berval *ref = ber_bvdup( attr->a_vals[i] );
/* trim the label */
for( k=0; k<ref->bv_len; k++ ) {
if( isspace(ref->bv_val[k]) ) {
ref->bv_val[k] = '\0';
ref->bv_len = k;
break;
}
}
if( ref->bv_len > 0 ) {
refs[j++] = ref;
} else {
ber_bvfree( ref );
}
}
refs[j] = NULL;
if( j == 0 ) {
ber_bvecfree( refs );
refs = NULL;
}
/* we should check that a referral value exists... */
return refs;
}
static long send_ldap_ber(
Connection *conn,
BerElement *ber )
{
ber_len_t bytes;
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_write_mutex );
/* lock the connection */
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
/* write the pdu */
while( 1 ) {
int err;
ber_socket_t sd;
if ( connection_state_closing( conn ) ) {
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
return 0;
}
if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
break;
}
err = 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_flush failed errno=%d reason=\"%s\"\n",
err, sock_errstr(err), 0 );
if ( err != EWOULDBLOCK && err != EAGAIN ) {
connection_closing( conn );
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
return( -1 );
}
/* wait for socket to be write-ready */
conn->c_writewaiter = 1;
ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
slapd_set_write( sd, 1 );
ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
conn->c_writewaiter = 0;
}
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
return bytes;
}
static void
send_ldap_response(
Connection *conn,
Operation *op,
ber_tag_t tag,
ber_int_t msgid,
ber_int_t err,
const char *matched,
const char *text,
struct berval **ref,
const char *resoid,
struct berval *resdata,
struct berval *sasldata,
LDAPControl **ctrls
)
{
BerElement *ber;
int rc;
long bytes;
assert( ctrls == NULL ); /* ctrls not implemented */
ber = ber_alloc_t( LBER_USE_DER );
Debug( LDAP_DEBUG_TRACE, "send_ldap_response: msgid=%ld tag=%ld err=%ld\n",
(long) msgid, (long) tag, (long) err );
if( ref ) {
Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=%s\n",
ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL",
NULL, NULL );
}
if ( ber == NULL ) {
Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
return;
}
#ifdef LDAP_CONNECTIONLESS
if ( op->o_cldap ) {
rc = ber_printf( ber, "{is{t{ess}}}", msgid, "", tag,
err, matched ? matched : "", text ? text : "" );
} else
#endif
{
rc = ber_printf( ber, "{it{ess",
msgid, tag, err,
matched == NULL ? "" : matched,
text == NULL ? "" : text );
if( rc != -1 ) {
if ( ref != NULL ) {
assert( err == LDAP_REFERRAL );
rc = ber_printf( ber, "t{V}",
LDAP_TAG_REFERRAL, ref );
} else {
assert( err != LDAP_REFERRAL );
}
}
if( rc != -1 && sasldata != NULL ) {
rc = ber_printf( ber, "tO",
LDAP_TAG_SASL_RES_CREDS, sasldata );
}
if( rc != -1 && resoid != NULL ) {
rc = ber_printf( ber, "ts",
LDAP_TAG_EXOP_RES_OID, resoid );
}
if( rc != -1 && resdata != NULL ) {
rc = ber_printf( ber, "tO",
LDAP_TAG_EXOP_RES_VALUE, resdata );
}
if( rc != -1 ) {
rc = ber_printf( ber, "}}" );
}
}
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
return;
}
/* send BER */
bytes = send_ldap_ber( conn, ber );
ber_free( ber, 1 );
if ( bytes < 0 ) {
Debug( LDAP_DEBUG_ANY,
"send_ldap_response: ber write failed\n",
0, 0, 0 );
return;
}
ldap_pvt_thread_mutex_lock( &num_sent_mutex );
num_bytes_sent += bytes;
num_pdu_sent++;
ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
return;
}
void
send_ldap_disconnect(
Connection *conn,
Operation *op,
ber_int_t err,
const char *text
)
{
ber_tag_t tag;
ber_int_t msgid;
char *reqoid;
#define LDAP_UNSOLICITED_ERROR(e) \
( (e) == LDAP_PROTOCOL_ERROR \
|| (e) == LDAP_STRONG_AUTH_REQUIRED \
|| (e) == LDAP_UNAVAILABLE )
assert( LDAP_UNSOLICITED_ERROR( err ) );
Debug( LDAP_DEBUG_TRACE,
"send_ldap_disconnect %d:%s\n",
err, text ? text : "", NULL );
if ( op->o_protocol < LDAP_VERSION3 ) {
reqoid = NULL;
tag = req2res( op->o_tag );
msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
} else {
reqoid = LDAP_NOTICE_DISCONNECT;
tag = LDAP_RES_EXTENDED;
msgid = 0;
}
#ifdef LDAP_CONNECTIONLESS
if ( op->o_cldap ) {
ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_UDP_SET_DST,
(void *)&op->o_clientaddr );
Debug( LDAP_DEBUG_TRACE, "UDP response to %s port %d\n",
inet_ntoa(((struct sockaddr_in *)
&op->o_clientaddr)->sin_addr ),
((struct sockaddr_in *) &op->o_clientaddr)->sin_port,
0 );
}
#endif
send_ldap_response( conn, op, tag, msgid,
err, NULL, text, NULL,
reqoid, NULL, NULL, NULL );
Statslog( LDAP_DEBUG_STATS,
"conn=%ld op=%ld DISCONNECT err=%ld tag=%lu text=%s\n",
(long) op->o_connid, (long) op->o_opid,
(long) tag, (long) err, text ? text : "" );
}
void
send_ldap_result(
Connection *conn,
Operation *op,
ber_int_t err,
const char *matched,
const char *text,
struct berval **ref,
LDAPControl **ctrls
)
{
ber_tag_t tag;
ber_int_t msgid;
char *tmp = NULL;
assert( !LDAP_API_ERROR( err ) );
Debug( LDAP_DEBUG_TRACE, "send_ldap_result: conn=%ld op=%ld p=%d\n",
(long) op->o_connid, (long) op->o_opid, op->o_protocol );
Debug( LDAP_DEBUG_ARGS, "send_ldap_result: %d:%s:%s\n",
err, matched ? matched : "", text ? text : "" );
if( ref ) {
Debug( LDAP_DEBUG_ARGS, "send_ldap_result: referral: %s\n",
ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL",
NULL, NULL );
}
assert( err != LDAP_PARTIAL_RESULTS );
if( op->o_tag != LDAP_REQ_SEARCH ) {
trim_refs_urls( ref );
}
if ( err == LDAP_REFERRAL ) {
if( ref == NULL ) {
err = LDAP_NO_SUCH_OBJECT;
} else if ( op->o_protocol < LDAP_VERSION3 ) {
err = LDAP_PARTIAL_RESULTS;
}
}
if ( op->o_protocol < LDAP_VERSION3 ) {
tmp = v2ref( ref, text );
text = tmp;
ref = NULL;
}
tag = req2res( op->o_tag );
msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
#ifdef LDAP_CONNECTIONLESS
if ( op->o_cldap ) {
ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_UDP_SET_DST,
(void *)&op->o_clientaddr );
Debug( LDAP_DEBUG_TRACE, "UDP response to %s port %d\n",
inet_ntoa(((struct sockaddr_in *)
&op->o_clientaddr)->sin_addr ),
((struct sockaddr_in *) &op->o_clientaddr)->sin_port,
0 );
}
#endif
send_ldap_response( conn, op, tag, msgid,
err, matched, text, ref,
NULL, NULL, NULL, ctrls );
Statslog( LDAP_DEBUG_STATS,
"conn=%ld op=%ld RESULT tag=%lu err=%ld text=%s\n",
(long) op->o_connid, (long) op->o_opid,
(long) tag, (long) err, text ? text : "" );
if( tmp != NULL ) {
ch_free(tmp);
}
}
void
send_ldap_sasl(
Connection *conn,
Operation *op,
ber_int_t err,
const char *matched,
const char *text,
struct berval **ref,
LDAPControl **ctrls,
struct berval *cred
)
{
ber_tag_t tag;
ber_int_t msgid;
Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl %ld\n",
(long) err, NULL, NULL );
tag = req2res( op->o_tag );
msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
#ifdef LDAP_CONNECTIONLESS
if ( op->o_cldap ) {
ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_UDP_SET_DST,
(void *)&op->o_clientaddr );
Debug( LDAP_DEBUG_TRACE, "UDP response to %s port %d\n",
inet_ntoa(((struct sockaddr_in *)
&op->o_clientaddr)->sin_addr ),
((struct sockaddr_in *) &op->o_clientaddr)->sin_port,
0 );
}
#endif
send_ldap_response( conn, op, tag, msgid,
err, matched, text, ref,
NULL, NULL, cred, ctrls );
}
void
send_ldap_extended(
Connection *conn,
Operation *op,
ber_int_t err,
const char *matched,
const char *text,
struct berval **refs,
const char *rspoid,
struct berval *rspdata,
LDAPControl **ctrls
)
{
ber_tag_t tag;
ber_int_t msgid;
Debug( LDAP_DEBUG_TRACE,
"send_ldap_extended %ld:%s (%ld)\n",
(long) err,
rspoid ? rspoid : "",
rspdata != NULL ? (long) rspdata->bv_len : (long) 0 );
tag = req2res( op->o_tag );
msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
#ifdef LDAP_CONNECTIONLESS
if ( op->o_cldap ) {
ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_UDP_SET_DST,
(void *)&op->o_clientaddr );
Debug( LDAP_DEBUG_TRACE, "UDP response to %s port %d\n",
inet_ntoa(((struct sockaddr_in *)
&op->o_clientaddr)->sin_addr ),
((struct sockaddr_in *) &op->o_clientaddr)->sin_port,
0 );
}
#endif
send_ldap_response( conn, op, tag, msgid,
err, matched, text, refs,
rspoid, rspdata, NULL, ctrls );
}
void
send_search_result(
Connection *conn,
Operation *op,
ber_int_t err,
const char *matched,
const char *text,
struct berval **refs,
LDAPControl **ctrls,
int nentries
)
{
ber_tag_t tag;
ber_int_t msgid;
char *tmp = NULL;
assert( !LDAP_API_ERROR( err ) );
Debug( LDAP_DEBUG_TRACE, "send_ldap_search_result %d:%s:%s\n",
err, matched ? matched : "", text ? text : "" );
assert( err != LDAP_PARTIAL_RESULTS );
trim_refs_urls( refs );
if( op->o_protocol < LDAP_VERSION3 ) {
/* send references in search results */
if( err == LDAP_REFERRAL ) {
err = LDAP_PARTIAL_RESULTS;
}
tmp = v2ref( refs, text );
text = tmp;
refs = NULL;
} else {
/* don't send references in search results */
assert( refs == NULL );
refs = NULL;
if( err == LDAP_REFERRAL ) {
err = LDAP_SUCCESS;
}
}
tag = req2res( op->o_tag );
msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
#ifdef LDAP_CONNECTIONLESS
if ( op->o_cldap ) {
ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_UDP_SET_DST,
(void *)&op->o_clientaddr );
Debug( LDAP_DEBUG_TRACE, "UDP response to %s port %d\n",
inet_ntoa(((struct sockaddr_in *)
&op->o_clientaddr)->sin_addr ),
((struct sockaddr_in *) &op->o_clientaddr)->sin_port,
0 );
}
#endif
send_ldap_response( conn, op, tag, msgid,
err, matched, text, refs,
NULL, NULL, NULL, ctrls );
Statslog( LDAP_DEBUG_STATS,
"conn=%ld op=%ld SEARCH RESULT tag=%lu err=%ld text=%s\n",
(long) op->o_connid, (long) op->o_opid,
(long) tag, (long) err, text ? text : "" );
if (tmp != NULL)
ch_free(tmp);
}
int
send_search_entry(
Backend *be,
Connection *conn,
Operation *op,
Entry *e,
char **attrs,
int attrsonly,
LDAPControl **ctrls
)
{
BerElement *ber;
Attribute *a, *aa;
int i, rc=-1, bytes;
char *edn;
int userattrs;
int opattrs;
AttributeDescription *ad_entry = slap_schema.si_ad_entry;
Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: \"%s\"\n", e->e_dn, 0, 0 );
if ( ! access_allowed( be, conn, op, e,
ad_entry, NULL, ACL_READ ) )
{
Debug( LDAP_DEBUG_ACL, "acl: access to entry not allowed\n",
0, 0, 0 );
return( 1 );
}
edn = e->e_ndn;
ber = ber_alloc_t( LBER_USE_DER );
if ( ber == NULL ) {
Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "BER allocation error", NULL, NULL );
goto error_return;
}
rc = ber_printf( ber, "{it{s{" /*}}}*/, op->o_msgid,
LDAP_RES_SEARCH_ENTRY, e->e_dn );
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encoding DN error", NULL, NULL );
goto error_return;
}
/* check for special all user attributes ("*") type */
userattrs = ( attrs == NULL ) ? 1
: charray_inlist( attrs, LDAP_ALL_USER_ATTRIBUTES );
/* check for special all operational attributes ("+") type */
opattrs = ( attrs == NULL ) ? 0
: charray_inlist( attrs, LDAP_ALL_OPERATIONAL_ATTRIBUTES );
for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
AttributeDescription *desc = a->a_desc;
char *type = desc->ad_cname->bv_val;
if ( attrs == NULL ) {
/* all addrs request, skip operational attributes */
if( is_at_operational( desc->ad_type ) )
{
continue;
}
} else {
/* specific addrs requested */
if ( is_at_operational( desc->ad_type ) )
{
if( !opattrs && !ad_inlist( desc, attrs ) ) {
continue;
}
} else {
if (!userattrs && !ad_inlist( desc, attrs ) ) {
continue;
}
}
}
if ( ! access_allowed( be, conn, op, e, desc, NULL, ACL_READ ) ) {
Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s not allowed\n",
desc->ad_cname->bv_val, 0, 0 );
continue;
}
if (( rc = ber_printf( ber, "{s[" /*]}*/ , type )) == -1 ) {
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encoding description error", NULL, NULL );
goto error_return;
}
if ( ! attrsonly ) {
for ( i = 0; a->a_vals[i] != NULL; i++ ) {
if ( ! access_allowed( be, conn, op, e,
desc, a->a_vals[i], ACL_READ ) )
{
Debug( LDAP_DEBUG_ACL,
"acl: access to attribute %s, value %d not allowed\n",
desc->ad_cname->bv_val, i, 0 );
continue;
}
if (( rc = ber_printf( ber, "O", a->a_vals[i] )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encoding values error", NULL, NULL );
goto error_return;
}
}
}
if (( rc = ber_printf( ber, /*{[*/ "]}" )) == -1 ) {
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encode end error", NULL, NULL );
goto error_return;
}
}
/* eventually will loop through generated operational attributes */
/* only have subschemaSubentry implemented */
aa = backend_operational( be, e );
for (a = aa ; a == NULL; a = a->a_next ) {
AttributeDescription *desc = a->a_desc;
if ( attrs == NULL ) {
/* all addrs request, skip operational attributes */
if( is_at_operational( desc->ad_type ) )
{
continue;
}
} else {
/* specific addrs requested */
if( is_at_operational( desc->ad_type ) )
{
if( !opattrs && !ad_inlist( desc, attrs ) )
{
continue;
}
} else {
if (!userattrs && !ad_inlist( desc, attrs ) )
{
continue;
}
}
}
if ( ! access_allowed( be, conn, op, e, desc, NULL, ACL_READ ) ) {
Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s not allowed\n",
desc->ad_cname->bv_val, 0, 0 );
continue;
}
if (( rc = ber_printf( ber, "{s[" /*]}*/ , desc )) == -1 ) {
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encoding description error", NULL, NULL );
goto error_return;
}
if ( ! attrsonly ) {
for ( i = 0; a->a_vals[i] != NULL; i++ ) {
if ( ! access_allowed( be, conn, op, e,
desc, a->a_vals[i], ACL_READ ) )
{
Debug( LDAP_DEBUG_ACL,
"acl: access to attribute %s, value %d not allowed\n",
desc->ad_cname->bv_val, i, 0 );
continue;
}
if (( rc = ber_printf( ber, "O", a->a_vals[i] )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encoding values error", NULL, NULL );
goto error_return;
}
}
}
if (( rc = ber_printf( ber, /*{[*/ "]}" )) == -1 ) {
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encode end error", NULL, NULL );
goto error_return;
}
}
attrs_free( aa );
rc = ber_printf( ber, /*{{{*/ "}}}" );
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encode entry end error", NULL, NULL );
return( 1 );
}
bytes = send_ldap_ber( conn, ber );
ber_free( ber, 1 );
if ( bytes < 0 ) {
Debug( LDAP_DEBUG_ANY,
"send_ldap_response: ber write failed\n",
0, 0, 0 );
return -1;
}
ldap_pvt_thread_mutex_lock( &num_sent_mutex );
num_bytes_sent += bytes;
num_entries_sent++;
num_pdu_sent++;
ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
Statslog( LDAP_DEBUG_STATS2, "conn=%ld op=%ld ENTRY dn=\"%s\"\n",
(long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
rc = 0;
error_return:;
return( rc );
}
int
send_search_reference(
Backend *be,
Connection *conn,
Operation *op,
Entry *e,
struct berval **refs,
int scope,
LDAPControl **ctrls,
struct berval ***v2refs
)
{
BerElement *ber;
int rc;
int bytes;
AttributeDescription *ad_ref = slap_schema.si_ad_ref;
AttributeDescription *ad_entry = slap_schema.si_ad_entry;
Debug( LDAP_DEBUG_TRACE, "=> send_search_reference (%s)\n", e->e_dn, 0, 0 );
if ( ! access_allowed( be, conn, op, e,
ad_entry, NULL, ACL_READ ) )
{
Debug( LDAP_DEBUG_ACL,
"send_search_reference: access to entry not allowed\n",
0, 0, 0 );
return( 1 );
}
if ( ! access_allowed( be, conn, op, e,
ad_ref, NULL, ACL_READ ) )
{
Debug( LDAP_DEBUG_ACL,
"send_search_reference: access to reference not allowed\n",
0, 0, 0 );
return( 1 );
}
if( refs == NULL ) {
Debug( LDAP_DEBUG_ANY,
"send_search_reference: null ref in (%s)\n",
e->e_dn, 0, 0 );
return( 1 );
}
if( op->o_protocol < LDAP_VERSION3 ) {
/* save the references for the result */
if( *refs != NULL ) {
value_add( v2refs, refs );
}
return 0;
}
ber = ber_alloc_t( LBER_USE_DER );
if ( ber == NULL ) {
Debug( LDAP_DEBUG_ANY,
"send_search_reference: ber_alloc failed\n", 0, 0, 0 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "alloc BER error", NULL, NULL );
return -1;
}
rc = ber_printf( ber, "{it{V}}", op->o_msgid,
LDAP_RES_SEARCH_REFERENCE, refs );
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_reference: ber_printf failed\n", 0, 0, 0 );
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encode DN error", NULL, NULL );
return -1;
}
bytes = send_ldap_ber( conn, ber );
ber_free( ber, 1 );
ldap_pvt_thread_mutex_lock( &num_sent_mutex );
num_bytes_sent += bytes;
num_refs_sent++;
num_pdu_sent++;
ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
Statslog( LDAP_DEBUG_STATS2, "conn=%ld op=%ld ENTRY dn=\"%s\"\n",
(long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
return 0;
}
int
str2result(
char *s,
int *code,
char **matched,
char **info
)
{
int rc;
char *c;
*code = LDAP_SUCCESS;
*matched = NULL;
*info = NULL;
if ( strncasecmp( s, "RESULT", 6 ) != 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", 4 ) == 0 ) {
if ( c != NULL ) {
*code = atoi( c );
}
} else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
if ( c != NULL ) {
*matched = c;
}
} else if ( strncasecmp( s, "info", 4 ) == 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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