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authorGuillaume Cottenceau <gc@mandriva.com>2000-12-18 14:20:50 +0000
committerGuillaume Cottenceau <gc@mandriva.com>2000-12-18 14:20:50 +0000
commitb19ef695af2cde221e301616bd41fcbb3efdac2b (patch)
treee8bbf90db2816a1de3052ec30e2fdfffb6a4fb39 /mdk-stage1
parentae498bffc0dd4235ed9e34c76b7239f24ec7ba85 (diff)
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polish for integration into cooker
Diffstat (limited to 'mdk-stage1')
-rw-r--r--mdk-stage1/Makefile2
-rw-r--r--mdk-stage1/dhcp.c399
-rw-r--r--mdk-stage1/dhcp.h172
-rw-r--r--mdk-stage1/disk.c3
-rw-r--r--mdk-stage1/network.c22
5 files changed, 589 insertions, 9 deletions
diff --git a/mdk-stage1/Makefile b/mdk-stage1/Makefile
index ce3c04879..5ce7f91c3 100644
--- a/mdk-stage1/Makefile
+++ b/mdk-stage1/Makefile
@@ -19,7 +19,7 @@
#
#*****************************************************************************
-VERSION = 8.0b
+VERSION = cooker
ARCH := $(patsubst i%86,i386,$(shell uname -m))
diff --git a/mdk-stage1/dhcp.c b/mdk-stage1/dhcp.c
new file mode 100644
index 000000000..b20b012cc
--- /dev/null
+++ b/mdk-stage1/dhcp.c
@@ -0,0 +1,399 @@
+/*
+ * Guillaume Cottenceau (gc@mandrakesoft.com)
+ *
+ * Copyright 2000 MandrakeSoft
+ *
+ * View the homepage: http://us.mandrakesoft.com/~gc/html/stage1.html
+ *
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * Portions from GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2000 Free Software Foundation, Inc.
+ *
+ * Itself based on etherboot-4.6.4 by Martin Renters.
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include "stage1.h"
+
+#include "dhcp.h"
+
+
+static int currticks (void)
+{
+ struct timeval tv;
+ long csecs;
+ int ticks_per_csec, ticks_per_usec;
+
+ /* Note: 18.2 ticks/sec. */
+
+ /* Get current time. */
+ gettimeofday (&tv, 0);
+
+ /* Compute centiseconds. */
+ csecs = tv.tv_sec / 10;
+
+ /* Ticks per centisecond. */
+ ticks_per_csec = csecs * 182;
+
+ /* Ticks per microsecond. */
+ ticks_per_usec = (((tv.tv_sec - csecs * 10) * 1000000 + tv.tv_usec)
+ * 182 / 10000000);
+
+ /* Sum them. */
+ return ticks_per_csec + ticks_per_usec;
+}
+
+
+static char rfc1533_cookie[] = { RFC1533_COOKIE };
+static char rfc1533_end[] = { RFC1533_END };
+
+static const char dhcpdiscover[] =
+{
+ RFC2132_MSG_TYPE, 1, DHCPDISCOVER,
+ RFC2132_MAX_SIZE,2, /* request as much as we can */
+ sizeof(struct bootpd_t) / 256, sizeof(struct bootpd_t) % 256,
+ RFC2132_PARAM_LIST, 4, RFC1533_NETMASK, RFC1533_GATEWAY,
+ RFC1533_HOSTNAME, RFC1533_EXTENSIONPATH
+};
+
+static const char dhcprequest[] =
+{
+ RFC2132_MSG_TYPE, 1, DHCPREQUEST,
+ RFC2132_SRV_ID, 4, 0, 0, 0, 0,
+ RFC2132_REQ_ADDR, 4, 0, 0, 0, 0,
+ RFC2132_MAX_SIZE,2, /* request as much as we can */
+ sizeof(struct bootpd_t) / 256, sizeof(struct bootpd_t) % 256,
+ /* request parameters */
+ RFC2132_PARAM_LIST,
+ 4 + 2,
+ /* Standard parameters */
+ RFC1533_NETMASK, RFC1533_GATEWAY,
+ RFC1533_HOSTNAME, RFC1533_EXTENSIONPATH,
+ /* Etherboot vendortags */
+ RFC1533_VENDOR_MAGIC,
+ RFC1533_VENDOR_CONFIGFILE,
+};
+
+
+static unsigned long xid;
+static int sock;
+
+static int await_reply (int type, int ival, void *ptr, int timeout)
+{
+ unsigned long time;
+ struct iphdr *ip;
+ struct udphdr *udp;
+ struct arprequest *arpreply;
+ struct bootp_t *bootpreply;
+ unsigned short ptype;
+ unsigned int protohdrlen = (ETHER_HDR_SIZE + sizeof (struct iphdr) + sizeof (struct udphdr));
+
+ /* Clear the abort flag. */
+ ip_abort = 0;
+
+ time = currticks () + TIMEOUT;
+ /* The timeout check is done below. The timeout is only checked if
+ * there is no packet in the Rx queue. This assumes that eth_poll()
+ * needs a negligible amount of time. */
+ for (;;)
+ {
+ if (eth_poll ())
+ {
+ /* We have something! */
+
+ /* Check for ARP - No IP hdr. */
+ if (nic.packetlen >= ETHER_HDR_SIZE)
+ {
+ ptype = (((unsigned short) nic.packet[12]) << 8
+ | ((unsigned short) nic.packet[13]));
+ }
+ else
+ /* What else could we do with it? */
+ continue;
+
+ if (nic.packetlen >= ETHER_HDR_SIZE + sizeof (struct arprequest)
+ && ptype == ARP)
+ {
+ unsigned long tmp;
+
+ arpreply = (struct arprequest *) &nic.packet[ETHER_HDR_SIZE];
+
+ if (arpreply->opcode == ntohs (ARP_REPLY)
+ && ! grub_memcmp (arpreply->sipaddr, ptr, sizeof (in_addr))
+ && type == AWAIT_ARP)
+ {
+ grub_memmove ((char *) arptable[ival].node,
+ arpreply->shwaddr,
+ ETHER_ADDR_SIZE);
+ return 1;
+ }
+
+ grub_memmove ((char *) &tmp, arpreply->tipaddr,
+ sizeof (in_addr));
+
+ if (arpreply->opcode == ntohs (ARP_REQUEST)
+ && tmp == arptable[ARP_CLIENT].ipaddr.s_addr)
+ {
+ arpreply->opcode = htons (ARP_REPLY);
+ grub_memmove (arpreply->tipaddr, arpreply->sipaddr,
+ sizeof (in_addr));
+ grub_memmove (arpreply->thwaddr, (char *) arpreply->shwaddr,
+ ETHER_ADDR_SIZE);
+ grub_memmove (arpreply->sipaddr,
+ (char *) &arptable[ARP_CLIENT].ipaddr,
+ sizeof (in_addr));
+ grub_memmove (arpreply->shwaddr,
+ arptable[ARP_CLIENT].node,
+ ETHER_ADDR_SIZE);
+ eth_transmit (arpreply->thwaddr, ARP,
+ sizeof (struct arprequest),
+ arpreply);
+#ifdef MDEBUG
+ grub_memmove (&tmp, arpreply->tipaddr, sizeof (in_addr));
+ grub_printf ("Sent ARP reply to: %x\n", tmp);
+#endif /* MDEBUG */
+ }
+
+ continue;
+ }
+
+ if (type == AWAIT_QDRAIN)
+ {
+ continue;
+ }
+
+ /* Check for RARP - No IP hdr. */
+ if (type == AWAIT_RARP
+ && nic.packetlen >= ETHER_HDR_SIZE + sizeof (struct arprequest)
+ && ptype == RARP)
+ {
+ arpreply = (struct arprequest *) &nic.packet[ETHER_HDR_SIZE];
+
+ if (arpreply->opcode == ntohs (RARP_REPLY)
+ && ! grub_memcmp (arpreply->thwaddr, ptr, ETHER_ADDR_SIZE))
+ {
+ grub_memmove ((char *) arptable[ARP_SERVER].node,
+ arpreply->shwaddr, ETHER_ADDR_SIZE);
+ grub_memmove ((char *) &arptable[ARP_SERVER].ipaddr,
+ arpreply->sipaddr, sizeof (in_addr));
+ grub_memmove ((char *) &arptable[ARP_CLIENT].ipaddr,
+ arpreply->tipaddr, sizeof (in_addr));
+ return 1;
+ }
+
+ continue;
+ }
+
+ /* Anything else has IP header. */
+ if (nic.packetlen < protohdrlen || ptype != IP)
+ continue;
+
+ ip = (struct iphdr *) &nic.packet[ETHER_HDR_SIZE];
+ if (ip->verhdrlen != 0x45
+ || ipchksum ((unsigned short *) ip, sizeof (struct iphdr))
+ || ip->protocol != IP_UDP)
+ continue;
+
+ udp = (struct udphdr *)
+ &nic.packet[ETHER_HDR_SIZE + sizeof (struct iphdr)];
+
+ /* BOOTP ? */
+ bootpreply = (struct bootp_t *) &nic.packet[ETHER_HDR_SIZE];
+ if (type == AWAIT_BOOTP
+#ifdef NO_DHCP_SUPPORT
+ && (nic.packetlen
+ >= (ETHER_HDR_SIZE + sizeof (struct bootp_t)))
+#else
+ && (nic.packetlen
+ >= (ETHER_HDR_SIZE + sizeof (struct bootp_t)) - DHCP_OPT_LEN)
+#endif /* ! NO_DHCP_SUPPORT */
+ && ntohs (udp->dest) == BOOTP_CLIENT
+ && bootpreply->bp_op == BOOTP_REPLY
+ && bootpreply->bp_xid == xid)
+ {
+ arptable[ARP_CLIENT].ipaddr.s_addr
+ = bootpreply->bp_yiaddr.s_addr;
+#ifndef NO_DHCP_SUPPORT
+ dhcp_addr.s_addr = bootpreply->bp_yiaddr.s_addr;
+#endif /* ! NO_DHCP_SUPPORT */
+ netmask = default_netmask ();
+ arptable[ARP_SERVER].ipaddr.s_addr
+ = bootpreply->bp_siaddr.s_addr;
+ /* Kill arp. */
+ grub_memset (arptable[ARP_SERVER].node, 0, ETHER_ADDR_SIZE);
+ arptable[ARP_GATEWAY].ipaddr.s_addr
+ = bootpreply->bp_giaddr.s_addr;
+ /* Kill arp. */
+ grub_memset (arptable[ARP_GATEWAY].node, 0, ETHER_ADDR_SIZE);
+
+ /* GRUB doesn't autoload any kernel image. */
+#ifndef GRUB
+ if (bootpreply->bp_file[0])
+ {
+ grub_memmove (kernel_buf, bootpreply->bp_file, 128);
+ kernel = kernel_buf;
+ }
+#endif /* ! GRUB */
+
+ grub_memmove ((char *) BOOTP_DATA_ADDR, (char *) bootpreply,
+ sizeof (struct bootpd_t));
+#ifdef NO_DHCP_SUPPORT
+ decode_rfc1533 (BOOTP_DATA_ADDR->bootp_reply.bp_vend,
+ 0, BOOTP_VENDOR_LEN + MAX_BOOTP_EXTLEN, 1);
+#else
+ decode_rfc1533 (BOOTP_DATA_ADDR->bootp_reply.bp_vend,
+ 0, DHCP_OPT_LEN, 1);
+#endif /* ! NO_DHCP_SUPPORT */
+
+ return 1;
+ }
+
+ /* TFTP ? */
+ if (type == AWAIT_TFTP && ntohs (udp->dest) == ival)
+ return 1;
+ }
+ else
+ {
+ /* Check for abort key only if the Rx queue is empty -
+ * as long as we have something to process, don't
+ * assume that something failed. It is unlikely that
+ * we have no processing time left between packets. */
+ if (checkkey () != -1 && ASCII_CHAR (getkey ()) == CTRL_C)
+ {
+ ip_abort = 1;
+ return 0;
+ }
+
+ /* Do the timeout after at least a full queue walk. */
+ if ((timeout == 0) || (currticks() > time))
+ {
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
+
+
+static int bootp(struct interface_info * intf)
+{
+ int retry;
+ int retry1;
+ struct bootp_t bp;
+ unsigned long starttime;
+ struct ifreq req;
+ int s;
+
+ strcpy(req.ifr_name, intf->name);
+ if (ioctl(sock, SIOCGIFHWADDR, &req)) {
+ log_perror("SIOCSIFHWADDR");
+ return -1;
+ }
+
+ memset (&bp, 0, sizeof (struct bootp_t));
+ bp.bp_op = BOOTP_REQUEST;
+ bp.bp_htype = 1;
+ bp.bp_hlen = ETHER_ADDR_SIZE;
+ bp.bp_xid = xid = starttime = currticks ();
+
+
+ memmove(bp.bp_hwaddr, req.ifr_hwaddr.sa_data, ETHER_ADDR_SIZE);
+
+ /* Request RFC-style options. */
+ memmove(bp.bp_vend, rfc1533_cookie, sizeof rfc1533_cookie);
+ memmove(bp.bp_vend + sizeof rfc1533_cookie, dhcpdiscover, sizeof dhcpdiscover);
+ memmove(bp.bp_vend + sizeof rfc1533_cookie + sizeof dhcpdiscover, rfc1533_end, sizeof rfc1533_end);
+
+ for (retry = 0; retry < MAX_BOOTP_RETRIES;)
+ {
+ /* Clear out the Rx queue first. It contains nothing of
+ * interest, except possibly ARP requests from the DHCP/TFTP
+ * server. We use polling throughout Etherboot, so some time
+ * may have passed since we last polled the receive queue,
+ * which may now be filled with broadcast packets. This will
+ * cause the reply to the packets we are about to send to be
+ * lost immediately. Not very clever. */
+ await_reply (AWAIT_QDRAIN, 0, NULL, 0);
+
+ udp_transmit (IP_BROADCAST, BOOTP_CLIENT, BOOTP_SERVER,
+ sizeof (struct bootp_t), &bp);
+
+ if (await_reply (AWAIT_BOOTP, 0, NULL, TIMEOUT))
+ {
+ if (dhcp_reply == DHCPOFFER)
+ {
+ dhcp_reply = 0;
+ grub_memmove (bp.bp_vend, rfc1533_cookie, sizeof rfc1533_cookie);
+ grub_memmove (bp.bp_vend + sizeof rfc1533_cookie,
+ dhcprequest, sizeof dhcprequest);
+ grub_memmove (bp.bp_vend + sizeof rfc1533_cookie
+ + sizeof dhcprequest,
+ rfc1533_end, sizeof rfc1533_end);
+ grub_memmove (bp.bp_vend + 9, (char *) &dhcp_server,
+ sizeof (in_addr));
+ grub_memmove (bp.bp_vend + 15, (char *) &dhcp_addr,
+ sizeof (in_addr));
+ for (retry1 = 0; retry1 < MAX_BOOTP_RETRIES;)
+ {
+ udp_transmit (IP_BROADCAST, 0, BOOTP_SERVER,
+ sizeof (struct bootp_t), &bp);
+ dhcp_reply = 0;
+ if (await_reply (AWAIT_BOOTP, 0, NULL, TIMEOUT))
+ if (dhcp_reply == DHCPACK)
+ {
+ network_ready = 1;
+ return 1;
+ }
+
+ if (ip_abort)
+ return 0;
+
+ rfc951_sleep (++retry1);
+ }
+
+ /* Timeout. */
+ return 0;
+ }
+ else
+ {
+ network_ready = 1;
+ return 1;
+ }
+ }
+
+ if (ip_abort)
+ return 0;
+
+ rfc951_sleep (++retry);
+ bp.bp_secs = htons ((currticks () - starttime) / 20);
+ }
+
+ /* Timeout. */
+ return 0;
+}
+
+
+enum return_type setup_network_intf_as_dhcp(struct interface_info * intf)
+{
+ sock = socket(AF_INET, SOCK_DGRAM, 0);
+ if (sock < 0) {
+ return log_perror("socket");
+ return -1;
+ }
+
+ return RETURN_ERROR;
+}
diff --git a/mdk-stage1/dhcp.h b/mdk-stage1/dhcp.h
new file mode 100644
index 000000000..f2c537bd4
--- /dev/null
+++ b/mdk-stage1/dhcp.h
@@ -0,0 +1,172 @@
+/*
+ * Guillaume Cottenceau (gc@mandrakesoft.com)
+ *
+ * Copyright 2000 MandrakeSoft
+ *
+ * View the homepage: http://us.mandrakesoft.com/~gc/html/stage1.html
+ *
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * Portions from GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2000 Free Software Foundation, Inc.
+ *
+ * Itself based on etherboot-4.6.4 by Martin Renters.
+ *
+ */
+
+#ifndef _DHCP_H_
+#define _DHCP_H_
+
+#include <net/if.h>
+#include "stage1.h"
+#include "network.h"
+
+enum return_type setup_network_intf_as_dhcp(struct interface_info * intf);
+
+
+/* -=-=-- */
+
+#define BOOTP_REQUEST 1
+#define BOOTP_REPLY 2
+#define MAX_BOOTP_RETRIES 20
+
+#define ETHER_ADDR_SIZE 6 /* Size of Ethernet address */
+#define ETHER_HDR_SIZE 14 /* Size of ethernet header */
+#define ETH_MIN_PACKET 64
+#define ETH_MAX_PACKET 1518
+
+#define TAG_LEN(p) (*((p)+1))
+#define RFC1533_COOKIE 99, 130, 83, 99
+#define RFC1533_PAD 0
+#define RFC1533_NETMASK 1
+#define RFC1533_TIMEOFFSET 2
+#define RFC1533_GATEWAY 3
+#define RFC1533_TIMESERVER 4
+#define RFC1533_IEN116NS 5
+#define RFC1533_DNS 6
+#define RFC1533_LOGSERVER 7
+#define RFC1533_COOKIESERVER 8
+#define RFC1533_LPRSERVER 9
+#define RFC1533_IMPRESSSERVER 10
+#define RFC1533_RESOURCESERVER 11
+#define RFC1533_HOSTNAME 12
+#define RFC1533_BOOTFILESIZE 13
+#define RFC1533_MERITDUMPFILE 14
+#define RFC1533_DOMAINNAME 15
+#define RFC1533_SWAPSERVER 16
+#define RFC1533_ROOTPATH 17
+#define RFC1533_EXTENSIONPATH 18
+#define RFC1533_IPFORWARDING 19
+#define RFC1533_IPSOURCEROUTING 20
+#define RFC1533_IPPOLICYFILTER 21
+#define RFC1533_IPMAXREASSEMBLY 22
+#define RFC1533_IPTTL 23
+#define RFC1533_IPMTU 24
+#define RFC1533_IPMTUPLATEAU 25
+#define RFC1533_INTMTU 26
+#define RFC1533_INTLOCALSUBNETS 27
+#define RFC1533_INTBROADCAST 28
+#define RFC1533_INTICMPDISCOVER 29
+#define RFC1533_INTICMPRESPOND 30
+#define RFC1533_INTROUTEDISCOVER 31
+#define RFC1533_INTROUTESOLICIT 32
+#define RFC1533_INTSTATICROUTES 33
+#define RFC1533_LLTRAILERENCAP 34
+#define RFC1533_LLARPCACHETMO 35
+#define RFC1533_LLETHERNETENCAP 36
+#define RFC1533_TCPTTL 37
+#define RFC1533_TCPKEEPALIVETMO 38
+#define RFC1533_TCPKEEPALIVEGB 39
+#define RFC1533_NISDOMAIN 40
+#define RFC1533_NISSERVER 41
+#define RFC1533_NTPSERVER 42
+#define RFC1533_VENDOR 43
+#define RFC1533_NBNS 44
+#define RFC1533_NBDD 45
+#define RFC1533_NBNT 46
+#define RFC1533_NBSCOPE 47
+#define RFC1533_XFS 48
+#define RFC1533_XDM 49
+#define RFC2132_REQ_ADDR 50
+#define RFC2132_MSG_TYPE 53
+#define RFC2132_SRV_ID 54
+#define RFC2132_PARAM_LIST 55
+#define RFC2132_MAX_SIZE 57
+
+#define DHCPDISCOVER 1
+#define DHCPOFFER 2
+#define DHCPREQUEST 3
+#define DHCPACK 5
+
+#define DHCP_OPT_LEN 312
+
+
+#define TICKS_PER_SEC 18
+
+/* Inter-packet retry in ticks */
+#define TIMEOUT (10*TICKS_PER_SEC)
+
+
+struct arprequest {
+ unsigned short hwtype;
+ unsigned short protocol;
+ char hwlen;
+ char protolen;
+ unsigned short opcode;
+ char shwaddr[6];
+ char sipaddr[4];
+ char thwaddr[6];
+ char tipaddr[4];
+};
+
+struct iphdr_ {
+ char verhdrlen;
+ char service;
+ unsigned short len;
+ unsigned short ident;
+ unsigned short frags;
+ char ttl;
+ char protocol;
+ unsigned short chksum;
+ struct in_addr src;
+ struct in_addr dest;
+};
+
+struct udphdr {
+ unsigned short src;
+ unsigned short dest;
+ unsigned short len;
+ unsigned short chksum;
+};
+
+struct bootp_t {
+ struct iphdr_ ip;
+ struct udphdr udp;
+ char bp_op;
+ char bp_htype;
+ char bp_hlen;
+ char bp_hops;
+ unsigned long bp_xid;
+ unsigned short bp_secs;
+ unsigned short unused;
+ struct in_addr bp_ciaddr;
+ struct in_addr bp_yiaddr;
+ struct in_addr bp_siaddr;
+ struct in_addr bp_giaddr;
+ char bp_hwaddr[16];
+ char bp_sname[64];
+ char bp_file[128];
+ char bp_vend[DHCP_OPT_LEN];
+};
+
+
+#endif
diff --git a/mdk-stage1/disk.c b/mdk-stage1/disk.c
index e324f0bee..e539b146a 100644
--- a/mdk-stage1/disk.c
+++ b/mdk-stage1/disk.c
@@ -44,6 +44,9 @@ enum return_type disk_prepare(void)
int i, count = 0;
enum return_type results;
+ error_message("Currently unsupported");
+ return RETURN_ERROR;
+
my_insmod("sd_mod");
my_insmod("vfat");
my_insmod("reiserfs");
diff --git a/mdk-stage1/network.c b/mdk-stage1/network.c
index a2932863c..12df7f136 100644
--- a/mdk-stage1/network.c
+++ b/mdk-stage1/network.c
@@ -39,6 +39,7 @@
#include "dns.h"
#include "mount.h"
#include "automatic.h"
+#include "dhcp.h"
#include "network.h"
@@ -332,9 +333,16 @@ static enum return_type setup_network_interface(struct interface_info * intf)
}
intf->boot_proto = BOOTPROTO_STATIC;
} else {
- error_message("DHCP not implemented yet");
- intf->boot_proto = BOOTPROTO_DHCP;
+ error_message("Currently unsupported");
return RETURN_ERROR;
+
+ results = RETURN_ERROR; //setup_network_intf_as_dhcp(intf);
+ if (results == RETURN_BACK)
+ return setup_network_interface(intf);
+ if (results == RETURN_ERROR)
+ return results;
+ intf->boot_proto = BOOTPROTO_DHCP;
+ return RETURN_OK;
}
if (configure_net_device(intf))
@@ -559,14 +567,12 @@ enum return_type nfs_prepare(void)
enum return_type ftp_prepare(void)
{
- enum return_type results = intf_select_and_up();
-
- return RETURN_ERROR | results;
+ error_message("Currently unsupported");
+ return RETURN_ERROR;
}
enum return_type http_prepare(void)
{
- enum return_type results = intf_select_and_up();
-
- return RETURN_ERROR | results;
+ error_message("Currently unsupported");
+ return RETURN_ERROR;
}