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da76c1951e
openldap/servers/slapd/result.c
Kurt Zeilenga da76c1951e First-cut proxy authorization support.
2002-12-03 06:11:32 +00:00

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/* result.c - routines to send ldap results, errors, and referrals */
/* $OpenLDAP$ */
/*
* Copyright 1998-2002 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/string.h>
#include <ac/ctype.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include "slap.h"
static char *v2ref( BerVarray 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 != NULL ) {
len = strlen( text );
if (text[len-1] != '\n') {
i = 1;
}
}
v2 = SLAP_MALLOC( len+i+sizeof("Referral:") );
if( v2 == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
#endif
return NULL;
}
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 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 );
if( v2 == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
#endif
return NULL;
}
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;
}
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:
tag = LBER_SEQUENCE;
}
return tag;
}
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.
*/
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_ldap_ber: conn %lu ber_flush failed err=%d (%s)\n",
conn ? conn->c_connid : 0, err, sock_errstr(err) );
#else
Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
err, sock_errstr(err), 0 );
#endif
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 int
send_ldap_controls( BerElement *ber, LDAPControl **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 = 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;
}
rc = ber_printf( ber, /*{*/"N}" );
return rc;
}
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,
BerVarray ref,
const char *resoid,
struct berval *resdata,
struct berval *sasldata,
LDAPControl **ctrls
)
{
char berbuf[LBER_ELEMENT_SIZEOF];
BerElement *ber = (BerElement *)berbuf;
int rc;
long bytes;
if (op->o_callback && op->o_callback->sc_response) {
op->o_callback->sc_response( conn, op, tag, msgid, err, matched,
text, ref, resoid, resdata, sasldata, ctrls );
return;
}
ber_init_w_nullc( ber, LBER_USE_DER );
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_ldap_response: msgid=%d tag=%lu err=%d\n",
msgid, tag, err );
#else
Debug( LDAP_DEBUG_TRACE,
"send_ldap_response: msgid=%d tag=%lu err=%d\n",
msgid, tag, err );
#endif
if( ref ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ARGS,
"send_ldap_response: conn %lu ref=\"%s\"\n",
conn ? conn->c_connid : 0,
ref[0].bv_val ? ref[0].bv_val : "NULL" , 0 );
#else
Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
ref[0].bv_val ? ref[0].bv_val : "NULL",
NULL, NULL );
#endif
}
#ifdef LDAP_CONNECTIONLESS
if( conn->c_is_udp ) {
rc = ber_write(ber,
(char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
if (rc != sizeof(struct sockaddr)) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_ldap_response: conn %lu ber_write failed\n",
conn ? conn->c_connid : 0 , 0, 0);
#else
Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
return;
}
}
if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
rc = ber_printf( ber, "{is{t{ess" /*"}}}"*/,
msgid, "", tag, err,
matched == NULL ? "" : matched,
text == NULL ? "" : 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{W}",
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, /*"{"*/ "N}" );
}
if( rc != -1 && ctrls != NULL ) {
rc = send_ldap_controls( ber, ctrls );
}
if( rc != -1 ) {
rc = ber_printf( ber, /*"{"*/ "N}" );
}
#ifdef LDAP_CONNECTIONLESS
if( conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
rc = ber_printf( ber, /*"{"*/ "N}" );
}
#endif
if ( rc == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_ldap_response: conn %lu ber_printf failed\n",
conn ? conn->c_connid : 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
return;
}
/* send BER */
bytes = send_ldap_ber( conn, ber );
ber_free_buf( ber );
if ( bytes < 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_ldap_response: conn %lu ber write failed\n",
conn ? conn->c_connid : 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"send_ldap_response: ber write failed\n",
0, 0, 0 );
#endif
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 ) );
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_ldap_disconnect: conn %lu %d:%s\n",
conn ? conn->c_connid : 0, err, text ? text : "" );
#else
Debug( LDAP_DEBUG_TRACE,
"send_ldap_disconnect %d:%s\n",
err, text ? text : "", NULL );
#endif
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;
}
send_ldap_response( conn, op, tag, msgid,
err, NULL, text, NULL,
reqoid, NULL, NULL, NULL );
Statslog( LDAP_DEBUG_STATS,
"conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
op->o_connid, op->o_opid, tag, err, text ? text : "" );
}
void
send_ldap_result(
Connection *conn,
Operation *op,
ber_int_t err,
const char *matched,
const char *text,
BerVarray ref,
LDAPControl **ctrls
)
{
ber_tag_t tag;
ber_int_t msgid;
char *tmp = NULL;
assert( !LDAP_API_ERROR( err ) );
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_ldap_result: conn %lu op=%lu p=%d\n",
op->o_connid, op->o_opid, op->o_protocol );
#else
Debug( LDAP_DEBUG_TRACE,
"send_ldap_result: conn=%lu op=%lu p=%d\n",
op->o_connid, op->o_opid, op->o_protocol );
#endif
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ARGS,
"send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
err, matched ? matched : "", text ? text : "" );
#else
Debug( LDAP_DEBUG_ARGS,
"send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
err, matched ? matched : "", text ? text : "" );
#endif
if( ref ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ARGS,
"send_ldap_result: referral=\"%s\"\n",
ref[0].bv_val ? ref[0].bv_val : "NULL", 0, 0 );
#else
Debug( LDAP_DEBUG_ARGS,
"send_ldap_result: referral=\"%s\"\n",
ref[0].bv_val ? ref[0].bv_val : "NULL",
NULL, NULL );
#endif
}
assert( err != LDAP_PARTIAL_RESULTS );
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;
send_ldap_response( conn, op, tag, msgid,
err, matched, text, ref,
NULL, NULL, NULL, ctrls );
Statslog( LDAP_DEBUG_STATS,
"conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
op->o_connid, op->o_opid, tag, 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,
BerVarray ref,
LDAPControl **ctrls,
struct berval *cred
)
{
ber_tag_t tag;
ber_int_t msgid;
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_ldap_sasl: conn %lu err=%d len=%lu\n",
op->o_connid, err, cred ? cred->bv_len : -1 );
#else
Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
err, cred ? (long) cred->bv_len : -1, NULL );
#endif
tag = req2res( op->o_tag );
msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
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,
BerVarray refs,
const char *rspoid,
struct berval *rspdata,
LDAPControl **ctrls
)
{
ber_tag_t tag;
ber_int_t msgid;
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_ldap_extended: err=%d oid=%s len=%ld\n",
err, rspoid ? rspoid : "",
rspdata != NULL ? rspdata->bv_len : 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"send_ldap_extended: err=%d oid=%s len=%ld\n",
err,
rspoid ? rspoid : "",
rspdata != NULL ? rspdata->bv_len : 0 );
#endif
tag = req2res( op->o_tag );
msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
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,
BerVarray refs,
LDAPControl **ctrls,
int nentries
)
{
ber_tag_t tag;
ber_int_t msgid;
char *tmp = NULL;
assert( !LDAP_API_ERROR( err ) );
if (op->o_callback && op->o_callback->sc_sresult) {
op->o_callback->sc_sresult(conn, op, err, matched, text, refs,
ctrls, nentries);
return;
}
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_search_result: err=%d matched=\"%s\" text=\"%s\"\n",
err, matched ? matched : "", text ? text : "" );
#else
Debug( LDAP_DEBUG_TRACE,
"send_search_result: err=%d matched=\"%s\" text=\"%s\"\n",
err, matched ? matched : "", text ? text : "" );
#endif
assert( err != LDAP_PARTIAL_RESULTS );
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;
send_ldap_response( conn, op, tag, msgid,
err, matched, text, refs,
NULL, NULL, NULL, ctrls );
{
char nbuf[64];
snprintf( nbuf, sizeof nbuf, "%d nentries=%d", err, nentries );
Statslog( LDAP_DEBUG_STATS,
"conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
op->o_connid, op->o_opid, tag, nbuf, text ? text : "" );
}
if (tmp != NULL) {
ch_free(tmp);
}
}
int
send_search_entry(
Backend *be,
Connection *conn,
Operation *op,
Entry *e,
AttributeName *attrs,
int attrsonly,
LDAPControl **ctrls
)
{
char berbuf[LBER_ELEMENT_SIZEOF];
BerElement *ber = (BerElement *)berbuf;
Attribute *a, *aa;
int i, j, rc=-1, bytes;
char *edn;
int userattrs;
int opattrs;
static AccessControlState acl_state_init = ACL_STATE_INIT;
AccessControlState acl_state;
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;
if (op->o_callback && op->o_callback->sc_sendentry) {
return op->o_callback->sc_sendentry( be, conn, op, e, attrs,
attrsonly, ctrls );
}
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_search_entry: conn %lu dn=\"%s\"%s\n",
op->o_connid, e->e_dn, attrsonly ? " (attrsOnly)" : "" );
#else
Debug( LDAP_DEBUG_TRACE,
"=> send_search_entry: dn=\"%s\"%s\n",
e->e_dn, attrsonly ? " (attrsOnly)" : "", 0 );
#endif
if ( ! access_allowed( be, conn, op, e,
ad_entry, NULL, ACL_READ, NULL ) )
{
#ifdef NEW_LOGGING
LDAP_LOG( ACL, INFO,
"send_search_entry: conn %lu access to entry (%s) not allowed\n",
op->o_connid, e->e_dn, 0 );
#else
Debug( LDAP_DEBUG_ACL,
"send_search_entry: access to entry not allowed\n",
0, 0, 0 );
#endif
return( 1 );
}
edn = e->e_ndn;
ber_init_w_nullc( ber, LBER_USE_DER );
#ifdef LDAP_CONNECTIONLESS
if (conn->c_is_udp) {
rc = ber_write(ber,
(char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
if (rc != sizeof(struct sockaddr)) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu ber_write failed\n",
conn ? conn->c_connid : 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
return( 1 );
}
}
if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
rc = ber_printf( ber, "{is{t{O{" /*}}}*/,
op->o_msgid, "", LDAP_RES_SEARCH_ENTRY, &e->e_name );
} else
#endif /* LDAP_CONNECTIONLESS */
{
rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
LDAP_RES_SEARCH_ENTRY, &e->e_name );
}
if ( rc == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
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
: an_find( attrs, &AllUser );
/* check for special all operational attributes ("+") type */
opattrs = ( attrs == NULL ) ? 0
: an_find( attrs, &AllOper );
/* 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->vrFilter != NULL ) {
int k = 0;
size_t size;
for ( a = e->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_CALLOC ( 1, i * sizeof(char *) + k );
if( e_flags == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu SLAP_CALLOC failed\n",
conn ? conn->c_connid : 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"send_search_entry: SLAP_CALLOC failed\n", 0, 0, 0 );
#endif
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "memory error",
NULL, NULL );
goto error_return;
}
a_flags = (char *)(e_flags + i);
memset( a_flags, 0, k );
for ( a = e->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(be, conn, op, e->e_attrs, &e_flags) ;
if ( rc == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu matched values filtering failed\n",
conn ? conn->c_connid : 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"matched values filtering failed\n", 0, 0, 0 );
#endif
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "matched values filtering error",
NULL, NULL );
goto error_return;
}
}
}
for ( a = e->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
AttributeDescription *desc = a->a_desc;
if ( attrs == NULL ) {
/* all 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( !opattrs && !ad_inlist( desc, attrs ) ) {
continue;
}
} else {
if (!userattrs && !ad_inlist( desc, attrs ) ) {
continue;
}
}
}
acl_state = acl_state_init;
if ( ! access_allowed( be, conn, op, e, desc, NULL,
ACL_READ, &acl_state ) )
{
#ifdef NEW_LOGGING
LDAP_LOG( ACL, INFO,
"send_search_entry: conn %lu access to attribute %s not "
"allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ACL, "acl: "
"access to attribute %s not allowed\n",
desc->ad_cname.bv_val, 0, 0 );
#endif
continue;
}
if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
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].bv_val != NULL; i++ ) {
if ( ! access_allowed( be, conn, op, e,
desc, &a->a_vals[i], ACL_READ, &acl_state ) )
{
#ifdef NEW_LOGGING
LDAP_LOG( ACL, INFO,
"send_search_entry: conn %lu "
"access to attribute %s, value %d not allowed\n",
op->o_connid, desc->ad_cname.bv_val, i );
#else
Debug( LDAP_DEBUG_ACL,
"acl: access to attribute %s, "
"value %d not allowed\n",
desc->ad_cname.bv_val, i, 0 );
#endif
continue;
}
if ( op->vrFilter && e_flags[j][i] == 0 ){
continue;
}
if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu "
"ber_printf failed.\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encoding values error",
NULL, NULL );
goto error_return;
}
}
}
if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
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, conn, op, e, attrs, opattrs );
if ( aa != NULL && op->vrFilter != NULL ) {
int k = 0;
size_t size;
for ( a = aa, 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_REALLOC ( e_flags, i * sizeof(char *) + k );
if ( tmp == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu "
"not enough memory "
"for matched values filtering\n",
conn ? conn->c_connid : 0, 0, 0);
#else
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu "
"not enough memory "
"for matched values filtering\n",
conn ? conn->c_connid : 0, 0, 0 );
#endif
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_NO_MEMORY,
NULL, NULL, NULL, NULL );
goto error_return;
}
e_flags = tmp;
a_flags = (char *)(e_flags + i);
memset( a_flags, 0, k );
for ( a = aa, 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(be, conn, op, aa, &e_flags) ;
if ( rc == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu "
"matched values filtering failed\n",
conn ? conn->c_connid : 0, 0, 0);
#else
Debug( LDAP_DEBUG_ANY,
"matched values filtering failed\n", 0, 0, 0 );
#endif
ber_free( ber, 1 );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "matched values filtering error",
NULL, NULL );
goto error_return;
}
}
}
for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
AttributeDescription *desc = a->a_desc;
if ( attrs == NULL ) {
/* all 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( !opattrs && !ad_inlist( desc, attrs ) ) {
continue;
}
} else {
if (!userattrs && !ad_inlist( desc, attrs ) )
{
continue;
}
}
}
acl_state = acl_state_init;
if ( ! access_allowed( be, conn, op, e, desc, NULL,
ACL_READ, &acl_state ) )
{
#ifdef NEW_LOGGING
LDAP_LOG( ACL, INFO,
"send_search_entry: conn %lu "
"access to attribute %s not allowed\n",
op->o_connid, desc->ad_cname.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s "
"not allowed\n",
desc->ad_cname.bv_val, 0, 0 );
#endif
continue;
}
rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
if ( rc == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu "
"ber_printf failed\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encoding description error", NULL, NULL );
attrs_free( aa );
goto error_return;
}
if ( ! attrsonly ) {
for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
if ( ! access_allowed( be, conn, op, e,
desc, &a->a_vals[i], ACL_READ, &acl_state ) )
{
#ifdef NEW_LOGGING
LDAP_LOG( ACL, INFO,
"send_search_entry: conn %lu "
"access to %s, value %d not allowed\n",
op->o_connid, desc->ad_cname.bv_val, i );
#else
Debug( LDAP_DEBUG_ACL,
"acl: access to attribute %s, "
"value %d not allowed\n",
desc->ad_cname.bv_val, i, 0 );
#endif
continue;
}
if ( op->vrFilter && e_flags[j][i] == 0 ){
continue;
}
if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encoding values error",
NULL, NULL );
attrs_free( aa );
goto error_return;
}
}
}
if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encode end error", NULL, NULL );
attrs_free( aa );
goto error_return;
}
}
/* free e_flags */
if ( e_flags ) {
free( e_flags );
e_flags = NULL;
}
attrs_free( aa );
rc = ber_printf( ber, /*{{*/ "}N}" );
if( rc != -1 && ctrls != NULL ) {
rc = send_ldap_controls( ber, ctrls );
}
if( rc != -1 ) {
rc = ber_printf( ber, /*{*/ "N}" );
}
#ifdef LDAP_CONNECTIONLESS
if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1) {
rc = ber_printf( ber, "}" );
}
#endif
if ( rc == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encode entry end error", NULL, NULL );
return( 1 );
}
bytes = op->o_noop ? 0 : send_ldap_ber( conn, ber );
ber_free_buf( ber );
if ( bytes < 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_entry: conn %lu ber write failed.\n",
op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"send_search_entry: ber write failed\n",
0, 0, 0 );
#endif
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=%lu op=%lu ENTRY dn=\"%s\"\n",
conn->c_connid, op->o_opid, e->e_dn, 0, 0 );
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
#endif
rc = 0;
error_return:;
if ( e_flags ) free( e_flags );
return( rc );
}
int
send_search_reference(
Backend *be,
Connection *conn,
Operation *op,
Entry *e,
BerVarray refs,
LDAPControl **ctrls,
BerVarray *v2refs
)
{
char berbuf[LBER_ELEMENT_SIZEOF];
BerElement *ber = (BerElement *)berbuf;
int rc;
int bytes;
AttributeDescription *ad_ref = slap_schema.si_ad_ref;
AttributeDescription *ad_entry = slap_schema.si_ad_entry;
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_search_reference: conn %lu dn=\"%s\"\n",
op->o_connid, e ? e->e_dn : "(null)", 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"=> send_search_reference: dn=\"%s\"\n",
e ? e->e_dn : "(null)", 0, 0 );
#endif
if ( e && ! access_allowed( be, conn, op, e,
ad_entry, NULL, ACL_READ, NULL ) )
{
#ifdef NEW_LOGGING
LDAP_LOG( ACL, INFO,
"send_search_reference: conn %lu "
"access to entry %s not allowed\n",
op->o_connid, e->e_dn, 0 );
#else
Debug( LDAP_DEBUG_ACL,
"send_search_reference: access to entry not allowed\n",
0, 0, 0 );
#endif
return( 1 );
}
if ( e && ! access_allowed( be, conn, op, e,
ad_ref, NULL, ACL_READ, NULL ) )
{
#ifdef NEW_LOGGING
LDAP_LOG( ACL, INFO,
"send_search_reference: conn %lu access "
"to reference not allowed.\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ACL,
"send_search_reference: access "
"to reference not allowed\n",
0, 0, 0 );
#endif
return( 1 );
}
if( refs == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_reference: conn %lu null ref in (%s).\n",
op->o_connid, e ? e->e_dn : "(null)", 0 );
#else
Debug( LDAP_DEBUG_ANY,
"send_search_reference: null ref in (%s)\n",
e ? e->e_dn : "(null)", 0, 0 );
#endif
return( 1 );
}
if( op->o_protocol < LDAP_VERSION3 ) {
/* save the references for the result */
if( refs[0].bv_val != NULL ) {
if( value_add( v2refs, refs ) )
return LDAP_OTHER;
}
return 0;
}
ber_init_w_nullc( ber, LBER_USE_DER );
rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
LDAP_RES_SEARCH_REFERENCE, refs );
if( rc != -1 && ctrls != NULL ) {
rc = send_ldap_controls( ber, ctrls );
}
if( rc != -1 ) {
rc = ber_printf( ber, /*"{"*/ "N}", op->o_msgid,
LDAP_RES_SEARCH_REFERENCE, refs );
}
if ( rc == -1 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"send_search_reference: conn %lu "
"ber_printf failed.\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"send_search_reference: ber_printf failed\n", 0, 0, 0 );
#endif
ber_free_buf( ber );
send_ldap_result( conn, op, LDAP_OTHER,
NULL, "encode DN error", NULL, NULL );
return -1;
}
bytes = op->o_noop ? 0 : send_ldap_ber( conn, ber );
ber_free_buf( ber );
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=%lu op=%lu REF dn=\"%s\"\n",
conn->c_connid, op->o_opid, e ? e->e_dn : "(null)", 0, 0 );
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
#endif
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 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
s, 0, 0 );
#endif
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 {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
s, 0, 0 );
#endif
rc = -1;
}
}
return( rc );
}
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