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

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

[Mike Maslenkin]

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);
+        UnicodeSPrintAsciiFormat (DiscoveredInstance->Information.Location, AllocSize, "[%a]", IpAddress);
+      } else {
+        DiscoveredInstance->Information.Location = (CHAR16 *)AllocatePool (AllocSize);
+        AsciiStrToUnicodeStrS (IpAddress, DiscoveredInstance->Information.Location, AllocSize);
+      }
+
+      DEBUG ((DEBUG_MANAGEABILITY, "Redfish service location: %s\n", DiscoveredInstance->Information.Location));
     }
 
     if (Uuid != NULL) {
-- 
2.32.0 (Apple Git-132)



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

[Chang, Abner via groups.io]

[AMD Official Use Only - General]

> -----Original Message-----
> From: Mike Maslenkin <mike.maslenkin@gmail.com>
> Sent: Thursday, December 7, 2023 9:24 PM
> To: devel@edk2.groups.io
> Cc: Chang, Abner <Abner.Chang@amd.com>; Nickle Wang
> <nicklew@nvidia.com>; Igor Kulchytskyy <igork@ami.com>
> Subject: [RFC PATCH] RedfishPkg: RedfishDiscoverDxe: add [] brackets to URI
> for IPv6 addresses
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> 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;
Please move the local variable declarations at the beginning of this function.
All others look good to me.
Thanks
Abner

>
> +
>
> +      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);
>
> +        UnicodeSPrintAsciiFormat (DiscoveredInstance->Information.Location,
> AllocSize, "[%a]", IpAddress);
>
> +      } else {
>
> +        DiscoveredInstance->Information.Location = (CHAR16 *)AllocatePool
> (AllocSize);
>
> +        AsciiStrToUnicodeStrS (IpAddress, DiscoveredInstance-
> >Information.Location, AllocSize);
>
> +      }
>
> +
>
> +      DEBUG ((DEBUG_MANAGEABILITY, "Redfish service location: %s\n",
> DiscoveredInstance->Information.Location));
>
>      }
>
>
>
>      if (Uuid != NULL) {
>
> --
> 2.32.0 (Apple Git-132)



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

[Pedro Falcato]

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

[Pedro Falcato]

On Thu, Dec 7, 2023 at 1:24 PM Mike Maslenkin <mike.maslenkin@gmail.com> wrote:
> [...]
> +        DiscoveredInstance->Information.Location = (CHAR16 *)AllocatePool (AllocSize);

Forgot to mention: don't cast void *! It's completely unneeded in C
and may hide real problems (implicit declarations); it also clutters
code.

-- 
Pedro


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

[Mike Maslenkin]

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

[Chang, Abner via groups.io]

[AMD Official Use Only - General]

And Mike, you can also go head to create a PR after you sending out the patch. Thus I can merge it later.

Thanks
Abner

> -----Original Message-----
> From: Mike Maslenkin <mike.maslenkin@gmail.com>
> Sent: Wednesday, December 13, 2023 9:35 PM
> To: Pedro Falcato <pedro.falcato@gmail.com>
> Cc: devel@edk2.groups.io; Chang, Abner <Abner.Chang@amd.com>; Nickle
> Wang <nicklew@nvidia.com>; Igor Kulchytskyy <igork@ami.com>
> Subject: Re: [edk2-devel] [RFC PATCH] RedfishPkg: RedfishDiscoverDxe: add []
> brackets to URI for IPv6 addresses
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> 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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Re: [edk2-devel] [RFC PATCH] RedfishPkg: RedfishDiscoverDxe: add [] brackets to URI for IPv6 addresses

[Chang, Abner via groups.io]

[AMD Official Use Only - General]

> -----Original Message-----
> From: Pedro Falcato <pedro.falcato@gmail.com>
> Sent: Wednesday, December 13, 2023 9:15 PM
> To: devel@edk2.groups.io; mike.maslenkin@gmail.com
> Cc: Chang, Abner <Abner.Chang@amd.com>; Nickle Wang
> <nicklew@nvidia.com>; Igor Kulchytskyy <igork@ami.com>
> Subject: Re: [edk2-devel] [RFC PATCH] RedfishPkg: RedfishDiscoverDxe: add []
> brackets to URI for IPv6 addresses
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> 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)?
Yes, we should check it. Could you please create a Bugzilla ticket for this?

Thanks
Abner

>
> --
> Pedro


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