From: "Vitaly Cheptsov" <vit9696@protonmail.com>
To: Michael D Kinney <michael.d.kinney@intel.com>,
Laszlo Ersek <lersek@redhat.com>
Cc: devel@edk2.groups.io, Andrew Fish <afish@apple.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Bret Barkelew <bret.barkelew@microsoft.com>,
"Brian J . Johnson" <brian.johnson@hpe.com>,
Chasel Chiu <chasel.chiu@intel.com>,
Jordan Justen <jordan.l.justen@intel.com>,
Leif Lindholm <leif@nuviainc.com>,
Liming Gao <liming.gao@intel.com>,
Marvin H?user <mhaeuser@outlook.de>,
Vincent Zimmer <vincent.zimmer@intel.com>,
Zhichao Gao <zhichao.gao@intel.com>,
Jiewen Yao <jiewen.yao@intel.com>
Subject: Re: [Patch v8 1/2] MdePkg: Fix SafeString performing assertions on runtime checks
Date: Wed, 20 May 2020 05:56:13 +0000 [thread overview]
Message-ID: <55BDE41D-A3E0-4560-AB37-4FF8C573C668@protonmail.com> (raw)
In-Reply-To: <20200520030120.21576-2-michael.d.kinney@intel.com>
[-- Attachment #1: Type: text/plain, Size: 30152 bytes --]
Mike,
Looks perfect to me. For everyone: the only change from V7 is an addition of DEBUG_VERBOSE message, which can indeed be useful.
Best wishes,
Vitaly
> 20 мая 2020 г., в 06:01, Michael D Kinney <michael.d.kinney@intel.com> написал(а):
>
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2054
>
> Runtime checks returned via status return code should not work as
> assertions to permit parsing not trusted data with SafeString
> interfaces. Replace ASSERT() with a DEBUG_VERBOSE message.
>
> Cc: Andrew Fish <afish@apple.com>
> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Cc: Bret Barkelew <bret.barkelew@microsoft.com>
> Cc: Brian J. Johnson <brian.johnson@hpe.com>
> Cc: Chasel Chiu <chasel.chiu@intel.com>
> Cc: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Leif Lindholm <leif@nuviainc.com>
> Cc: Liming Gao <liming.gao@intel.com>
> Cc: Marvin H?user <mhaeuser@outlook.de>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Vincent Zimmer <vincent.zimmer@intel.com>
> Cc: Zhichao Gao <zhichao.gao@intel.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Signed-off-by: Vitaly Cheptsov <vit9696@protonmail.com>
> ---
> MdePkg/Include/Library/BaseLib.h | 111 ---------------------------
> MdePkg/Library/BaseLib/SafeString.c | 115 +---------------------------
> 2 files changed, 3 insertions(+), 223 deletions(-)
>
> diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
> index b0bbe8cef8..8e7b87cbda 100644
> --- a/MdePkg/Include/Library/BaseLib.h
> +++ b/MdePkg/Include/Library/BaseLib.h
> @@ -216,7 +216,6 @@ StrnSizeS (
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -252,7 +251,6 @@ StrCpyS (
>
> If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT().
> If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -290,7 +288,6 @@ StrnCpyS (
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -330,7 +327,6 @@ StrCatS (
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -377,12 +373,7 @@ StrnCatS (
> be ignored. Then, the function stops at the first character that is a not a
> valid decimal character or a Null-terminator, whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
>
> If String has no valid decimal digits in the above format, then 0 is stored
> at the location pointed to by Data.
> @@ -433,12 +424,7 @@ StrDecimalToUintnS (
> be ignored. Then, the function stops at the first character that is a not a
> valid decimal character or a Null-terminator, whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
>
> If String has no valid decimal digits in the above format, then 0 is stored
> at the location pointed to by Data.
> @@ -494,12 +480,7 @@ StrDecimalToUint64S (
> the first character that is a not a valid hexadecimal character or NULL,
> whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
>
> If String has no valid hexadecimal digits in the above format, then 0 is
> stored at the location pointed to by Data.
> @@ -555,12 +536,7 @@ StrHexToUintnS (
> the first character that is a not a valid hexadecimal character or NULL,
> whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
>
> If String has no valid hexadecimal digits in the above format, then 0 is
> stored at the location pointed to by Data.
> @@ -649,8 +625,6 @@ AsciiStrnSizeS (
>
> This function is similar as strcpy_s defined in C11.
>
> - If an error would be returned, then the function will also ASSERT().
> -
> If an error is returned, then the Destination is unmodified.
>
> @param Destination A pointer to a Null-terminated Ascii string.
> @@ -683,8 +657,6 @@ AsciiStrCpyS (
>
> This function is similar as strncpy_s defined in C11.
>
> - If an error would be returned, then the function will also ASSERT().
> -
> If an error is returned, then the Destination is unmodified.
>
> @param Destination A pointer to a Null-terminated Ascii string.
> @@ -719,8 +691,6 @@ AsciiStrnCpyS (
>
> This function is similar as strcat_s defined in C11.
>
> - If an error would be returned, then the function will also ASSERT().
> -
> If an error is returned, then the Destination is unmodified.
>
> @param Destination A pointer to a Null-terminated Ascii string.
> @@ -757,8 +727,6 @@ AsciiStrCatS (
>
> This function is similar as strncat_s defined in C11.
>
> - If an error would be returned, then the function will also ASSERT().
> -
> If an error is returned, then the Destination is unmodified.
>
> @param Destination A pointer to a Null-terminated Ascii string.
> @@ -804,12 +772,6 @@ AsciiStrnCatS (
> be ignored. Then, the function stops at the first character that is a not a
> valid decimal character or a Null-terminator, whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> - If PcdMaximumAsciiStringLength is not zero, and String contains more than
> - PcdMaximumAsciiStringLength Ascii characters, not including the
> - Null-terminator, then ASSERT().
> -
> If String has no valid decimal digits in the above format, then 0 is stored
> at the location pointed to by Data.
> If the number represented by String exceeds the range defined by UINTN, then
> @@ -859,12 +821,6 @@ AsciiStrDecimalToUintnS (
> be ignored. Then, the function stops at the first character that is a not a
> valid decimal character or a Null-terminator, whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> - If PcdMaximumAsciiStringLength is not zero, and String contains more than
> - PcdMaximumAsciiStringLength Ascii characters, not including the
> - Null-terminator, then ASSERT().
> -
> If String has no valid decimal digits in the above format, then 0 is stored
> at the location pointed to by Data.
> If the number represented by String exceeds the range defined by UINT64, then
> @@ -918,12 +874,6 @@ AsciiStrDecimalToUint64S (
> character that is a not a valid hexadecimal character or Null-terminator,
> whichever on comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> - If PcdMaximumAsciiStringLength is not zero, and String contains more than
> - PcdMaximumAsciiStringLength Ascii characters, not including the
> - Null-terminator, then ASSERT().
> -
> If String has no valid hexadecimal digits in the above format, then 0 is
> stored at the location pointed to by Data.
> If the number represented by String exceeds the range defined by UINTN, then
> @@ -977,12 +927,6 @@ AsciiStrHexToUintnS (
> character that is a not a valid hexadecimal character or Null-terminator,
> whichever on comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> - If PcdMaximumAsciiStringLength is not zero, and String contains more than
> - PcdMaximumAsciiStringLength Ascii characters, not including the
> - Null-terminator, then ASSERT().
> -
> If String has no valid hexadecimal digits in the above format, then 0 is
> stored at the location pointed to by Data.
> If the number represented by String exceeds the range defined by UINT64, then
> @@ -1533,16 +1477,8 @@ StrHexToUint64 (
> "::" can be used to compress one or more groups of X when X contains only 0.
> The "::" can only appear once in the String.
>
> - If String is NULL, then ASSERT().
> -
> - If Address is NULL, then ASSERT().
> -
> If String is not aligned in a 16-bit boundary, then ASSERT().
>
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
> -
> If EndPointer is not NULL and Address is translated from String, a pointer
> to the character that stopped the scan is stored at the location pointed to
> by EndPointer.
> @@ -1594,16 +1530,8 @@ StrToIpv6Address (
> When /P is in the String, the function stops at the first character that is not
> a valid decimal digit character after P is converted.
>
> - If String is NULL, then ASSERT().
> -
> - If Address is NULL, then ASSERT().
> -
> If String is not aligned in a 16-bit boundary, then ASSERT().
>
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
> -
> If EndPointer is not NULL and Address is translated from String, a pointer
> to the character that stopped the scan is stored at the location pointed to
> by EndPointer.
> @@ -1667,8 +1595,6 @@ StrToIpv4Address (
> oo Data4[48:55]
> pp Data4[56:63]
>
> - If String is NULL, then ASSERT().
> - If Guid is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
>
> @param String Pointer to a Null-terminated Unicode string.
> @@ -1703,17 +1629,6 @@ StrToGuid (
>
> If String is not aligned in a 16-bit boundary, then ASSERT().
>
> - If String is NULL, then ASSERT().
> -
> - If Buffer is NULL, then ASSERT().
> -
> - If Length is not multiple of 2, then ASSERT().
> -
> - If PcdMaximumUnicodeStringLength is not zero and Length is greater than
> - PcdMaximumUnicodeStringLength, then ASSERT().
> -
> - If MaxBufferSize is less than (Length / 2), then ASSERT().
> -
> @param String Pointer to a Null-terminated Unicode string.
> @param Length The number of Unicode characters to decode.
> @param Buffer Pointer to the converted bytes array.
> @@ -1804,7 +1719,6 @@ UnicodeStrToAsciiStr (
> the upper 8 bits, then ASSERT().
>
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -1851,7 +1765,6 @@ UnicodeStrToAsciiStrS (
> If any Unicode characters in Source contain non-zero value in the upper 8
> bits, then ASSERT().
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -2415,10 +2328,6 @@ AsciiStrHexToUint64 (
> "::" can be used to compress one or more groups of X when X contains only 0.
> The "::" can only appear once in the String.
>
> - If String is NULL, then ASSERT().
> -
> - If Address is NULL, then ASSERT().
> -
> If EndPointer is not NULL and Address is translated from String, a pointer
> to the character that stopped the scan is stored at the location pointed to
> by EndPointer.
> @@ -2470,10 +2379,6 @@ AsciiStrToIpv6Address (
> When /P is in the String, the function stops at the first character that is not
> a valid decimal digit character after P is converted.
>
> - If String is NULL, then ASSERT().
> -
> - If Address is NULL, then ASSERT().
> -
> If EndPointer is not NULL and Address is translated from String, a pointer
> to the character that stopped the scan is stored at the location pointed to
> by EndPointer.
> @@ -2535,9 +2440,6 @@ AsciiStrToIpv4Address (
> oo Data4[48:55]
> pp Data4[56:63]
>
> - If String is NULL, then ASSERT().
> - If Guid is NULL, then ASSERT().
> -
> @param String Pointer to a Null-terminated ASCII string.
> @param Guid Pointer to the converted GUID.
>
> @@ -2568,17 +2470,6 @@ AsciiStrToGuid (
> decoding stops after Length of characters and outputs Buffer containing
> (Length / 2) bytes.
>
> - If String is NULL, then ASSERT().
> -
> - If Buffer is NULL, then ASSERT().
> -
> - If Length is not multiple of 2, then ASSERT().
> -
> - If PcdMaximumAsciiStringLength is not zero and Length is greater than
> - PcdMaximumAsciiStringLength, then ASSERT().
> -
> - If MaxBufferSize is less than (Length / 2), then ASSERT().
> -
> @param String Pointer to a Null-terminated ASCII string.
> @param Length The number of ASCII characters to decode.
> @param Buffer Pointer to the converted bytes array.
> @@ -2659,7 +2550,6 @@ AsciiStrToUnicodeStr (
> equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes.
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -2705,7 +2595,6 @@ AsciiStrToUnicodeStrS (
> ((MIN(AsciiStrLen(Source), Length) + 1) * sizeof (CHAR8)) in bytes.
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then Destination and DestinationLength are
> unmodified.
> diff --git a/MdePkg/Library/BaseLib/SafeString.c b/MdePkg/Library/BaseLib/SafeString.c
> index 7dc03d2caa..3bb23ca1a1 100644
> --- a/MdePkg/Library/BaseLib/SafeString.c
> +++ b/MdePkg/Library/BaseLib/SafeString.c
> @@ -14,8 +14,10 @@
>
> #define SAFE_STRING_CONSTRAINT_CHECK(Expression, Status) \
> do { \
> - ASSERT (Expression); \
> if (!(Expression)) { \
> + DEBUG ((DEBUG_VERBOSE, \
> + "%a(%d) %a: SAFE_STRING_CONSTRAINT_CHECK(%a) failed. Return %r\n", \
> + __FILE__, __LINE__, __FUNCTION__, #Expression, Status)); \
> return Status; \
> } \
> } while (FALSE)
> @@ -197,7 +199,6 @@ StrnSizeS (
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -279,7 +280,6 @@ StrCpyS (
>
> If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT().
> If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -372,7 +372,6 @@ StrnCpyS (
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -473,7 +472,6 @@ StrCatS (
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -590,12 +588,7 @@ StrnCatS (
> be ignored. Then, the function stops at the first character that is a not a
> valid decimal character or a Null-terminator, whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
>
> If String has no valid decimal digits in the above format, then 0 is stored
> at the location pointed to by Data.
> @@ -705,12 +698,7 @@ StrDecimalToUintnS (
> be ignored. Then, the function stops at the first character that is a not a
> valid decimal character or a Null-terminator, whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
>
> If String has no valid decimal digits in the above format, then 0 is stored
> at the location pointed to by Data.
> @@ -825,12 +813,7 @@ StrDecimalToUint64S (
> the first character that is a not a valid hexadecimal character or NULL,
> whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
>
> If String has no valid hexadecimal digits in the above format, then 0 is
> stored at the location pointed to by Data.
> @@ -956,12 +939,7 @@ StrHexToUintnS (
> the first character that is a not a valid hexadecimal character or NULL,
> whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
>
> If String has no valid hexadecimal digits in the above format, then 0 is
> stored at the location pointed to by Data.
> @@ -1091,16 +1069,8 @@ StrHexToUint64S (
> "::" can be used to compress one or more groups of X when X contains only 0.
> The "::" can only appear once in the String.
>
> - If String is NULL, then ASSERT().
> -
> - If Address is NULL, then ASSERT().
> -
> If String is not aligned in a 16-bit boundary, then ASSERT().
>
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
> -
> If EndPointer is not NULL and Address is translated from String, a pointer
> to the character that stopped the scan is stored at the location pointed to
> by EndPointer.
> @@ -1317,16 +1287,8 @@ StrToIpv6Address (
> When /P is in the String, the function stops at the first character that is not
> a valid decimal digit character after P is converted.
>
> - If String is NULL, then ASSERT().
> -
> - If Address is NULL, then ASSERT().
> -
> If String is not aligned in a 16-bit boundary, then ASSERT().
>
> - If PcdMaximumUnicodeStringLength is not zero, and String contains more than
> - PcdMaximumUnicodeStringLength Unicode characters, not including the
> - Null-terminator, then ASSERT().
> -
> If EndPointer is not NULL and Address is translated from String, a pointer
> to the character that stopped the scan is stored at the location pointed to
> by EndPointer.
> @@ -1482,8 +1444,6 @@ StrToIpv4Address (
> oo Data4[48:55]
> pp Data4[56:63]
>
> - If String is NULL, then ASSERT().
> - If Guid is NULL, then ASSERT().
> If String is not aligned in a 16-bit boundary, then ASSERT().
>
> @param String Pointer to a Null-terminated Unicode string.
> @@ -1589,17 +1549,6 @@ StrToGuid (
>
> If String is not aligned in a 16-bit boundary, then ASSERT().
>
> - If String is NULL, then ASSERT().
> -
> - If Buffer is NULL, then ASSERT().
> -
> - If Length is not multiple of 2, then ASSERT().
> -
> - If PcdMaximumUnicodeStringLength is not zero and Length is greater than
> - PcdMaximumUnicodeStringLength, then ASSERT().
> -
> - If MaxBufferSize is less than (Length / 2), then ASSERT().
> -
> @param String Pointer to a Null-terminated Unicode string.
> @param Length The number of Unicode characters to decode.
> @param Buffer Pointer to the converted bytes array.
> @@ -1779,8 +1728,6 @@ AsciiStrnSizeS (
>
> This function is similar as strcpy_s defined in C11.
>
> - If an error would be returned, then the function will also ASSERT().
> -
> If an error is returned, then the Destination is unmodified.
>
> @param Destination A pointer to a Null-terminated Ascii string.
> @@ -1856,8 +1803,6 @@ AsciiStrCpyS (
>
> This function is similar as strncpy_s defined in C11.
>
> - If an error would be returned, then the function will also ASSERT().
> -
> If an error is returned, then the Destination is unmodified.
>
> @param Destination A pointer to a Null-terminated Ascii string.
> @@ -1944,8 +1889,6 @@ AsciiStrnCpyS (
>
> This function is similar as strcat_s defined in C11.
>
> - If an error would be returned, then the function will also ASSERT().
> -
> If an error is returned, then the Destination is unmodified.
>
> @param Destination A pointer to a Null-terminated Ascii string.
> @@ -2040,8 +1983,6 @@ AsciiStrCatS (
>
> This function is similar as strncat_s defined in C11.
>
> - If an error would be returned, then the function will also ASSERT().
> -
> If an error is returned, then the Destination is unmodified.
>
> @param Destination A pointer to a Null-terminated Ascii string.
> @@ -2154,12 +2095,6 @@ AsciiStrnCatS (
> be ignored. Then, the function stops at the first character that is a not a
> valid decimal character or a Null-terminator, whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> - If PcdMaximumAsciiStringLength is not zero, and String contains more than
> - PcdMaximumAsciiStringLength Ascii characters, not including the
> - Null-terminator, then ASSERT().
> -
> If String has no valid decimal digits in the above format, then 0 is stored
> at the location pointed to by Data.
> If the number represented by String exceeds the range defined by UINTN, then
> @@ -2266,12 +2201,6 @@ AsciiStrDecimalToUintnS (
> be ignored. Then, the function stops at the first character that is a not a
> valid decimal character or a Null-terminator, whichever one comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> - If PcdMaximumAsciiStringLength is not zero, and String contains more than
> - PcdMaximumAsciiStringLength Ascii characters, not including the
> - Null-terminator, then ASSERT().
> -
> If String has no valid decimal digits in the above format, then 0 is stored
> at the location pointed to by Data.
> If the number represented by String exceeds the range defined by UINT64, then
> @@ -2382,12 +2311,6 @@ AsciiStrDecimalToUint64S (
> character that is a not a valid hexadecimal character or Null-terminator,
> whichever on comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> - If PcdMaximumAsciiStringLength is not zero, and String contains more than
> - PcdMaximumAsciiStringLength Ascii characters, not including the
> - Null-terminator, then ASSERT().
> -
> If String has no valid hexadecimal digits in the above format, then 0 is
> stored at the location pointed to by Data.
> If the number represented by String exceeds the range defined by UINTN, then
> @@ -2509,12 +2432,6 @@ AsciiStrHexToUintnS (
> character that is a not a valid hexadecimal character or Null-terminator,
> whichever on comes first.
>
> - If String is NULL, then ASSERT().
> - If Data is NULL, then ASSERT().
> - If PcdMaximumAsciiStringLength is not zero, and String contains more than
> - PcdMaximumAsciiStringLength Ascii characters, not including the
> - Null-terminator, then ASSERT().
> -
> If String has no valid hexadecimal digits in the above format, then 0 is
> stored at the location pointed to by Data.
> If the number represented by String exceeds the range defined by UINT64, then
> @@ -2635,7 +2552,6 @@ AsciiStrHexToUint64S (
> the upper 8 bits, then ASSERT().
>
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -2735,7 +2651,6 @@ UnicodeStrToAsciiStrS (
> If any Unicode characters in Source contain non-zero value in the upper 8
> bits, then ASSERT().
> If Source is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then Destination and DestinationLength are
> unmodified.
> @@ -2855,7 +2770,6 @@ UnicodeStrnToAsciiStrS (
> equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes.
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then the Destination is unmodified.
>
> @@ -2948,7 +2862,6 @@ AsciiStrToUnicodeStrS (
> ((MIN(AsciiStrLen(Source), Length) + 1) * sizeof (CHAR8)) in bytes.
>
> If Destination is not aligned on a 16-bit boundary, then ASSERT().
> - If an error would be returned, then the function will also ASSERT().
>
> If an error is returned, then Destination and DestinationLength are
> unmodified.
> @@ -3072,10 +2985,6 @@ AsciiStrnToUnicodeStrS (
> "::" can be used to compress one or more groups of X when X contains only 0.
> The "::" can only appear once in the String.
>
> - If String is NULL, then ASSERT().
> -
> - If Address is NULL, then ASSERT().
> -
> If EndPointer is not NULL and Address is translated from String, a pointer
> to the character that stopped the scan is stored at the location pointed to
> by EndPointer.
> @@ -3291,10 +3200,6 @@ AsciiStrToIpv6Address (
> When /P is in the String, the function stops at the first character that is not
> a valid decimal digit character after P is converted.
>
> - If String is NULL, then ASSERT().
> -
> - If Address is NULL, then ASSERT().
> -
> If EndPointer is not NULL and Address is translated from String, a pointer
> to the character that stopped the scan is stored at the location pointed to
> by EndPointer.
> @@ -3448,9 +3353,6 @@ AsciiStrToIpv4Address (
> oo Data4[48:55]
> pp Data4[56:63]
>
> - If String is NULL, then ASSERT().
> - If Guid is NULL, then ASSERT().
> -
> @param String Pointer to a Null-terminated ASCII string.
> @param Guid Pointer to the converted GUID.
>
> @@ -3550,17 +3452,6 @@ AsciiStrToGuid (
> decoding stops after Length of characters and outputs Buffer containing
> (Length / 2) bytes.
>
> - If String is NULL, then ASSERT().
> -
> - If Buffer is NULL, then ASSERT().
> -
> - If Length is not multiple of 2, then ASSERT().
> -
> - If PcdMaximumAsciiStringLength is not zero and Length is greater than
> - PcdMaximumAsciiStringLength, then ASSERT().
> -
> - If MaxBufferSize is less than (Length / 2), then ASSERT().
> -
> @param String Pointer to a Null-terminated ASCII string.
> @param Length The number of ASCII characters to decode.
> @param Buffer Pointer to the converted bytes array.
> --
> 2.21.0.windows.1
>
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next prev parent reply other threads:[~2020-05-20 5:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-20 3:01 [Patch v8 0/2] Disable safe string constraint assertions Michael D Kinney
2020-05-20 3:01 ` [Patch v8 1/2] MdePkg: Fix SafeString performing assertions on runtime checks Michael D Kinney
2020-05-20 5:56 ` Vitaly Cheptsov [this message]
2020-05-20 17:18 ` [EXTERNAL] Re: [edk2-devel] " Bret Barkelew
2020-05-20 14:50 ` Liming Gao
2020-05-20 3:01 ` [Patch v8 2/2] MdePkg/Test/BaseLib: Add SAFE_STRING_CONSTRAINT_CHECK unit test Michael D Kinney
2020-05-20 19:04 ` [edk2-devel] " Sean
2020-05-20 20:11 ` Michael D Kinney
2020-05-20 20:16 ` Sean
-- strict thread matches above, loose matches on Subject: below --
2020-05-20 3:11 [Patch v8 0/2] Disable safe string constraint assertions Michael D Kinney
2020-05-20 3:11 ` [Patch v8 1/2] MdePkg: Fix SafeString performing assertions on runtime checks Michael D Kinney
2020-05-20 17:25 ` Laszlo Ersek
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