diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bootp.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/net/bootp.c b/net/bootp.c index 8c56c08..669d74a 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -715,7 +715,7 @@ BootpRequest (void) } #if (CONFIG_COMMANDS & CFG_CMD_DHCP) -static void DhcpOptionsProcess (uchar * popt) +static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) { uchar *end = popt + BOOTP_HDR_SIZE; int oplen, size; @@ -772,6 +772,34 @@ static void DhcpOptionsProcess (uchar * popt) break; case 59: /* Ignore Rebinding Time Option */ break; + case 66: /* Ignore TFTP server name */ + break; + case 67: /* vendor opt bootfile */ + /* + * I can't use dhcp_vendorex_proc here because I need + * to write into the bootp packet - even then I had to + * pass the bootp packet pointer into here as the + * second arg + */ + size = truncate_sz ("Opt Boot File", + sizeof(bp->bp_file), + oplen); + if (bp->bp_file[0] == '\0' && size > 0) { + /* + * only use vendor boot file if we didn't + * receive a boot file in the main non-vendor + * part of the packet - god only knows why + * some vendors chose not to use this perfectly + * good spot to store the boot file (join on + * Tru64 Unix) it seems mind bogglingly crazy + * to me + */ + printf("*** WARNING: using vendor " + "optional boot file\n"); + memcpy(bp->bp_file, popt + 2, size); + bp->bp_file[size] = '\0'; + } + break; default: #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX) if (dhcp_vendorex_proc (popt)) @@ -882,7 +910,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) dhcp_state = REQUESTING; if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) - DhcpOptionsProcess((u8 *)&bp->bp_vend[4]); + DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); BootpCopyNetParams(bp); /* Store net params from reply */ @@ -901,7 +929,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) char *s; if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) - DhcpOptionsProcess((u8 *)&bp->bp_vend[4]); + DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); BootpCopyNetParams(bp); /* Store net params from reply */ dhcp_state = BOUND; puts ("DHCP client bound to address "); |