[edk2-devel] [edk2-redfish-client][PATCH] RedfishClientPkg/RedfishFeatureUtilityLib: fix wrong parameter issue

[edk2-devel] [edk2-redfish-client][PATCH] RedfishClientPkg/RedfishFeatureUtilityLib: fix wrong parameter issue

[Nickle Wang via groups.io]

Third parameter of AsciiStrToUnicodeStrS is the number of character in
destination buffer, not the size in byte of destination buffer. This
creates failure of converting ASCII string to Unicode string in Redfish
application while getting Location field in HTTP header.

Signed-off-by: Nickle Wang <nicklew@nvidia.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Igor Kulchytskyy <igork@ami.com>
Cc: Nick Ramirez <nramirez@nvidia.com>
---
 .../RedfishFeatureUtilityLib.c                         | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/RedfishClientPkg/Library/RedfishFeatureUtilityLib/RedfishFeatureUtilityLib.c b/RedfishClientPkg/Library/RedfishFeatureUtilityLib/RedfishFeatureUtilityLib.c
index a10fa4832..e14944710 100644
--- a/RedfishClientPkg/Library/RedfishFeatureUtilityLib/RedfishFeatureUtilityLib.c
+++ b/RedfishClientPkg/Library/RedfishFeatureUtilityLib/RedfishFeatureUtilityLib.c
@@ -355,7 +355,7 @@ StrUnicodeToAscii (
 
   Status = UnicodeStrToAsciiStrS (UnicodeStr, AsciiStr, AsciiStrSize);
   if (EFI_ERROR (Status)) {
-    DEBUG ((DEBUG_ERROR, "UnicodeStrToAsciiStrS failed: %r\n", Status));
+    DEBUG ((DEBUG_ERROR, "%a: UnicodeStrToAsciiStrS failed: %r\n", __func__, Status));
     FreePool (AsciiStr);
     return NULL;
   }
@@ -380,21 +380,23 @@ StrAsciiToUnicode (
 {
   EFI_STRING  UnicodeStr;
   UINTN       UnicodeStrSize;
+  UINTN       InputStrSize;
   EFI_STATUS  Status;
 
   if (IS_EMPTY_STRING (AsciiStr)) {
     return NULL;
   }
 
-  UnicodeStrSize = (AsciiStrLen (AsciiStr) + 1) * sizeof (CHAR16);
+  InputStrSize   = AsciiStrSize (AsciiStr);
+  UnicodeStrSize = InputStrSize * sizeof (CHAR16);
   UnicodeStr     = AllocatePool (UnicodeStrSize);
   if (UnicodeStr == NULL) {
     return NULL;
   }
 
-  Status = AsciiStrToUnicodeStrS (AsciiStr, UnicodeStr, UnicodeStrSize);
+  Status = AsciiStrToUnicodeStrS (AsciiStr, UnicodeStr, InputStrSize);
   if (EFI_ERROR (Status)) {
-    DEBUG ((DEBUG_ERROR, "t failed: %r\n", Status));
+    DEBUG ((DEBUG_ERROR, "%a: AsciiStrToUnicodeStrS failed: %r\n", __func__, Status));
     FreePool (UnicodeStr);
     return NULL;
   }
-- 
2.34.1



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Re: [edk2-devel] [edk2-redfish-client][PATCH] RedfishClientPkg/RedfishFeatureUtilityLib: fix wrong parameter issue

[Chang, Abner via groups.io]

[AMD Official Use Only - General]

Reviewed-by: Abner Chang <abner.chang@amd.com>

> -----Original Message-----
> From: Nickle Wang <nicklew@nvidia.com>
> Sent: Friday, January 19, 2024 2:23 PM
> To: devel@edk2.groups.io
> Cc: Chang, Abner <Abner.Chang@amd.com>; Igor Kulchytskyy
> <igork@ami.com>; Nick Ramirez <nramirez@nvidia.com>
> Subject: [edk2-redfish-client][PATCH]
> RedfishClientPkg/RedfishFeatureUtilityLib: fix wrong parameter issue
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> Third parameter of AsciiStrToUnicodeStrS is the number of character in
> destination buffer, not the size in byte of destination buffer. This
> creates failure of converting ASCII string to Unicode string in Redfish
> application while getting Location field in HTTP header.
>
> Signed-off-by: Nickle Wang <nicklew@nvidia.com>
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Igor Kulchytskyy <igork@ami.com>
> Cc: Nick Ramirez <nramirez@nvidia.com>
> ---
>  .../RedfishFeatureUtilityLib.c                         | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git
> a/RedfishClientPkg/Library/RedfishFeatureUtilityLib/RedfishFeatureUtilityLib.
> c
> b/RedfishClientPkg/Library/RedfishFeatureUtilityLib/RedfishFeatureUtilityLib.
> c
> index a10fa4832..e14944710 100644
> ---
> a/RedfishClientPkg/Library/RedfishFeatureUtilityLib/RedfishFeatureUtilityLib.
> c
> +++
> b/RedfishClientPkg/Library/RedfishFeatureUtilityLib/RedfishFeatureUtilityLib.
> c
> @@ -355,7 +355,7 @@ StrUnicodeToAscii (
>
>    Status = UnicodeStrToAsciiStrS (UnicodeStr, AsciiStr, AsciiStrSize);
>    if (EFI_ERROR (Status)) {
> -    DEBUG ((DEBUG_ERROR, "UnicodeStrToAsciiStrS failed: %r\n", Status));
> +    DEBUG ((DEBUG_ERROR, "%a: UnicodeStrToAsciiStrS failed: %r\n",
> __func__, Status));
>      FreePool (AsciiStr);
>      return NULL;
>    }
> @@ -380,21 +380,23 @@ StrAsciiToUnicode (
>  {
>    EFI_STRING  UnicodeStr;
>    UINTN       UnicodeStrSize;
> +  UINTN       InputStrSize;
>    EFI_STATUS  Status;
>
>    if (IS_EMPTY_STRING (AsciiStr)) {
>      return NULL;
>    }
>
> -  UnicodeStrSize = (AsciiStrLen (AsciiStr) + 1) * sizeof (CHAR16);
> +  InputStrSize   = AsciiStrSize (AsciiStr);
> +  UnicodeStrSize = InputStrSize * sizeof (CHAR16);
>    UnicodeStr     = AllocatePool (UnicodeStrSize);
>    if (UnicodeStr == NULL) {
>      return NULL;
>    }
>
> -  Status = AsciiStrToUnicodeStrS (AsciiStr, UnicodeStr, UnicodeStrSize);
> +  Status = AsciiStrToUnicodeStrS (AsciiStr, UnicodeStr, InputStrSize);
>    if (EFI_ERROR (Status)) {
> -    DEBUG ((DEBUG_ERROR, "t failed: %r\n", Status));
> +    DEBUG ((DEBUG_ERROR, "%a: AsciiStrToUnicodeStrS failed: %r\n",
> __func__, Status));
>      FreePool (UnicodeStr);
>      return NULL;
>    }
> --
> 2.34.1



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