Re: [edk2-devel] [RFC PATCH] RedfishPkg: RedfishDiscoverDxe: add [] brackets to URI for IPv6 addresses

["Mike Maslenkin" <mike.maslenkin@gmail.com>]

Fair.
I'll try to make some cleanups before applying this patch after
committing Abner's remedy patch
https://github.com/tianocore/edk2/pull/5139.

Regards,
Mike..


On Wed, Dec 13, 2023 at 4:15 PM Pedro Falcato <pedro.falcato@gmail.com> wrote:
>
> On Thu, Dec 7, 2023 at 1:24 PM Mike Maslenkin <mike.maslenkin@gmail.com> wrote:
> >
> > URI is generated based on the RedfishLocation containing an ASCII string
> > representing the IP address. So, in the case of IPv4 the canonical
> > representation of an IPv4 address was inserted into the resulting Unicode
> > string i.e: "http{,s}://X.X.X.X/".
> >
> > In the case of IPv6, to access resources, the IP address must be specified
> > in brackets, i.e. the resulting string should look like:
> >   "http{,s}://[X::X:X:X:X]/".
> >
> > Cc: Abner Chang <abner.chang@amd.com>
> > Cc: Nickle Wang <nicklew@nvidia.com>
> > Cc: Igor Kulchytskyy <igork@ami.com>
> > Signed-off-by: Mike Maslenkin <mike.maslenkin@gmail.com>
> > ---
> >  .../RedfishDiscoverDxe/RedfishDiscoverDxe.c   | 20 ++++++++++++++++---
> >  1 file changed, 17 insertions(+), 3 deletions(-)
> >
> > diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
> > index 28ba2d3a9fca..49c96bd28b27 100644
> > --- a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
> > +++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
> > @@ -863,9 +863,23 @@ AddAndSignalNewRedfishService (
> >      }
> >
> >      if (RedfishLocation != NULL) {
> > -      DiscoveredInstance->Information.Location = (CHAR16 *)AllocatePool (AsciiStrSize ((const CHAR8 *)RedfishLocation) * sizeof (CHAR16));
> > -      AsciiStrToUnicodeStrS ((const CHAR8 *)RedfishLocation, DiscoveredInstance->Information.Location, AsciiStrSize ((const CHAR8 *)RedfishLocation) * sizeof (CHAR16));
> > -      DEBUG ((DEBUG_MANAGEABILITY, "Redfish service location: %s.\n", DiscoveredInstance->Information.Location));
> > +      UINTN        AllocSize;
> > +      CONST CHAR8  *IpAddress;
> > +
> > +      IpAddress = (CONST CHAR8 *)RedfishLocation;
> > +      AllocSize = AsciiStrSize (IpAddress) * sizeof (CHAR16);
> > +
> > +      if (CheckIsIpVersion6 (NetworkInterface)) {
> > +        AllocSize += 2 * sizeof (CHAR16); // take into account '[' and ']'
> > +
> > +        DiscoveredInstance->Information.Location = (CHAR16 *)AllocatePool (AllocSize);
>
> You don't check for NULL.
>
> > +        UnicodeSPrintAsciiFormat (DiscoveredInstance->Information.Location, AllocSize, "[%a]", IpAddress);
> > +      } else {
> > +        DiscoveredInstance->Information.Location = (CHAR16 *)AllocatePool (AllocSize);
>
> You don't check for NULL.
> Heck, why does no one check for NULL in this whole function
> (AddAndSignalNewRedfishService)?
>
> --
> Pedro


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