[syslinux] Support DHCP sname field in PXELINUX
H. Peter Anvin
hpa at zytor.com
Thu Jun 28 12:26:55 PDT 2007
Chris Adams wrote:
> I have discovered that the JUNOS DHCP server in Juniper J-series routers
> doesn't support setting the next-server IP address field (I have filed a
> bug report with Juniper and they are working on it). Instead, it puts
> the "boot server" in the sname field, which PXELINUX currently ignores.
> Here's a simple patch (vs. 3.36) that will take an IP string in the
> field. My assembly is pretty rusty, and I couldn't quite figure out how
> to use the DNS resolver, so it doesn't handle a hostname. This does
> work for me with an IP string.
You have no guarantee that sname is an IP string; in fact, in the
typical case it will not be.
I don't think this patch is safe.
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