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Changed DHCP client to use ip address from server option field #54 from the OFFER-paket in the server option field #54 in the REQUEST-paket. This fixes a problem using a Windows 2000 DHCP server, where the DHCP-server is not the TFTP-server.

This commit is contained in:
stroese 2003-04-10 13:26:44 +00:00
parent d126bfbdbd
commit 759a51b4f3
1 changed files with 4 additions and 4 deletions
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8
net/bootp.c
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@ -56,6 +56,7 @@ ulong seed1, seed2;
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
dhcp_state_t dhcp_state = INIT;
unsigned int dhcp_leasetime = 0;
IPaddr_t NetDHCPServerIP = 0;
static void DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len);
/* For Debug */
@ -716,7 +717,7 @@ static void DhcpOptionsProcess(uchar *popt)
case 53: /* Ignore Message Type Option */
break;
case 54:
NetCopyIP(&NetServerIP, (popt+2));
NetCopyIP(&NetDHCPServerIP, (popt+2));
break;
case 58: /* Ignore Renewal Time Option */
break;
@ -788,7 +789,7 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer)
* Copy options from OFFER packet if present
*/
NetCopyIP(&OfferedIP, &bp->bp_yiaddr);
extlen = DhcpExtended(bp->bp_vend, DHCP_REQUEST, NetServerIP, OfferedIP);
extlen = DhcpExtended(bp->bp_vend, DHCP_REQUEST, NetDHCPServerIP, OfferedIP);
pktlen = BOOTP_SIZE - sizeof(bp->bp_vend) + extlen;
iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen;
@ -832,11 +833,10 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
debug ("TRANSITIONING TO REQUESTING STATE\n");
dhcp_state = REQUESTING;
#if 0
if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
DhcpOptionsProcess(&bp->bp_vend[4]);
#endif
BootpCopyNetParams(bp); /* Store net params from reply */
NetSetTimeout(TIMEOUT * CFG_HZ, BootpTimeout);