/* protected by conn_mutex */
int
ldap_int_flush_request(
LDAP *ld,
LDAPRequest *lr )
{
LDAPConn *lc = lr->lr_conn;
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_conn_mutex );
if ( ber_flush2( lc->lconn_sb, lr->lr_ber, LBER_FLUSH_FREE_NEVER ) != 0 ) {
if ( sock_errno() == EAGAIN ) {
/* need to continue write later */
lr->lr_status = LDAP_REQST_WRITING;
ldap_mark_select_write( ld, lc->lconn_sb );
ld->ld_errno = LDAP_BUSY;
return -2;
} else {
ld->ld_errno = LDAP_SERVER_DOWN;
ldap_free_request( ld, lr );
ldap_free_connection( ld, lc, 0, 0 );
return( -1 );
}
} else {
if ( lr->lr_parent == NULL ) {
lr->lr_ber->ber_end = lr->lr_ber->ber_ptr;
lr->lr_ber->ber_ptr = lr->lr_ber->ber_buf;
}
lr->lr_status = LDAP_REQST_INPROGRESS;
/* sent -- waiting for a response */
ldap_mark_select_read( ld, lc->lconn_sb );
ldap_clear_select_write( ld, lc->lconn_sb );
}
return 0;
}
int
ldap_open_internal_connection( LDAP **ldp, ber_socket_t *fdp )
{
int rc;
LDAPConn *c;
LDAPRequest *lr;
LDAP *ld;
rc = ldap_create( &ld );
if( rc != LDAP_SUCCESS ) {
*ldp = NULL;
return( rc );
}
/* Make it appear that a search request, msgid 0, was sent */
lr = (LDAPRequest *)LDAP_CALLOC( 1, sizeof( LDAPRequest ));
if( lr == NULL ) {
ldap_unbind_ext( ld, NULL, NULL );
*ldp = NULL;
return( LDAP_NO_MEMORY );
}
memset(lr, 0, sizeof( LDAPRequest ));
lr->lr_msgid = 0;
lr->lr_status = LDAP_REQST_INPROGRESS;
lr->lr_res_errno = LDAP_SUCCESS;
/* no mutex lock needed, we just created this ld here */
ld->ld_requests = lr;
LDAP_MUTEX_LOCK( &ld->ld_conn_mutex );
/* Attach the passed socket as the *LDAP's connection */
c = ldap_new_connection( ld, NULL, 1, 0, NULL, 0, 0 );
if( c == NULL ) {
ldap_unbind_ext( ld, NULL, NULL );
*ldp = NULL;
LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex );
return( LDAP_NO_MEMORY );
}
ber_sockbuf_ctrl( c->lconn_sb, LBER_SB_OPT_SET_FD, fdp );
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( c->lconn_sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_PROVIDER, (void *)"int_" );
#endif
ber_sockbuf_add_io( c->lconn_sb, &ber_sockbuf_io_tcp,
LBER_SBIOD_LEVEL_PROVIDER, NULL );
ld->ld_defconn = c;
LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex );
/* Add the connection to the *LDAP's select pool */
ldap_mark_select_read( ld, c->lconn_sb );
ldap_mark_select_write( ld, c->lconn_sb );
/* Make this connection an LDAP V3 protocol connection */
rc = LDAP_VERSION3;
ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &rc );
*ldp = ld;
++ld->ld_defconn->lconn_refcnt; /* so it never gets closed/freed */
return( LDAP_SUCCESS );
}
int
ldap_init_fd(
ber_socket_t fd,
int proto,
LDAP_CONST char *url,
LDAP **ldp
)
{
int rc;
LDAP *ld;
LDAPConn *conn;
*ldp = NULL;
rc = ldap_create( &ld );
if( rc != LDAP_SUCCESS )
return( rc );
if (url != NULL) {
rc = ldap_set_option(ld, LDAP_OPT_URI, url);
if ( rc != LDAP_SUCCESS ) {
ldap_ld_free(ld, 1, NULL, NULL);
return rc;
}
}
/* Attach the passed socket as the LDAP's connection */
conn = ldap_new_connection( ld, NULL, 1, 0, NULL);
if( conn == NULL ) {
ldap_unbind_ext( ld, NULL, NULL );
return( LDAP_NO_MEMORY );
}
ber_sockbuf_ctrl( conn->lconn_sb, LBER_SB_OPT_SET_FD, &fd );
ld->ld_defconn = conn;
++ld->ld_defconn->lconn_refcnt; /* so it never gets closed/freed */
switch( proto ) {
case LDAP_PROTO_TCP:
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_PROVIDER, (void *)"tcp_" );
#endif
ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_tcp,
LBER_SBIOD_LEVEL_PROVIDER, NULL );
break;
#ifdef LDAP_CONNECTIONLESS
case LDAP_PROTO_UDP:
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_PROVIDER, (void *)"udp_" );
#endif
ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_udp,
LBER_SBIOD_LEVEL_PROVIDER, NULL );
ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_readahead,
LBER_SBIOD_LEVEL_PROVIDER, NULL );
break;
#endif /* LDAP_CONNECTIONLESS */
case LDAP_PROTO_IPC:
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_PROVIDER, (void *)"ipc_" );
#endif
ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_fd,
LBER_SBIOD_LEVEL_PROVIDER, NULL );
break;
case LDAP_PROTO_EXT:
/* caller must supply sockbuf handlers */
break;
default:
ldap_unbind_ext( ld, NULL, NULL );
return LDAP_PARAM_ERROR;
}
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_debug,
INT_MAX, (void *)"ldap_" );
#endif
/* Add the connection to the *LDAP's select pool */
ldap_mark_select_read( ld, conn->lconn_sb );
ldap_mark_select_write( ld, conn->lconn_sb );
*ldp = ld;
return LDAP_SUCCESS;
}