diff options
| author | Jiewen Yao <jiewen.yao@intel.com> | 2016-09-21 09:45:23 +0800 |
|---|---|---|
| committer | Jiewen Yao <jiewen.yao@intel.com> | 2016-11-08 22:40:56 +0800 |
| commit | 384070fda3d7586ef93fc59add7a5afd2bbc006c (patch) | |
| tree | bcb888331aea244bc162d0163db3626b9eb90a18 | |
| parent | 7ee5139c1b8fa8991ae0ac3f4a5c771f76dfc0d9 (diff) | |
| download | edk2-384070fda3d7586ef93fc59add7a5afd2bbc006c.tar.gz edk2-384070fda3d7586ef93fc59add7a5afd2bbc006c.tar.bz2 edk2-384070fda3d7586ef93fc59add7a5afd2bbc006c.zip | |
SignedCapsulePkg/IniParsingLib: Add InitParsingLib instance.
This library is used to parse the INI configuration file.
The INI configuration file is used in EDKII capsule image to describe
the capsule information.
Detail format is documented in header file.
Cc: Feng Tian <feng.tian@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Tested-by: Michael Kinney <michael.d.kinney@intel.com>
3 files changed, 1485 insertions, 0 deletions
diff --git a/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c new file mode 100644 index 0000000000..a8773c1a80 --- /dev/null +++ b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c @@ -0,0 +1,1420 @@ +/** @file
+ This library parses the INI configuration file.
+
+ The INI file format is:
+ ================
+ [SectionName]
+ EntryName=EntryValue
+ ================
+
+ Where:
+ 1) SectionName is an ASCII string. The valid format is [A-Za-z0-9_]+
+ 2) EntryName is an ASCII string. The valid format is [A-Za-z0-9_]+
+ 3) EntryValue can be:
+ 3.1) an ASCII String. The valid format is [A-Za-z0-9_]+
+ 3.2) a GUID. The valid format is xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx, where x is [A-Fa-f0-9]
+ 3.3) a decimal value. The valid format is [0-9]+
+ 3.4) a heximal value. The valid format is 0x[A-Fa-f0-9]+
+ 4) '#' or ';' can be used as comment at anywhere.
+ 5) TAB(0x20) or SPACE(0x9) can be used as separator.
+ 6) LF(\n, 0xA) or CR(\r, 0xD) can be used as line break.
+
+ Caution: This module requires additional review when modified.
+ This driver will have external input - INI data file.
+
+ OpenIniFile(), PreProcessDataFile(), ProfileGetSection(), ProfileGetEntry()
+ will receive untrusted input and do basic validation.
+
+ Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions
+ of the BSD License which accompanies this distribution. The
+ full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Uefi.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+#define IS_HYPHEN(a) ((a) == '-')
+#define IS_NULL(a) ((a) == '\0')
+
+// This is default allocation. Reallocation will happen if it is not enough.
+#define MAX_LINE_LENGTH 512
+
+typedef struct _SECTION_ITEM SECTION_ITEM;
+struct _SECTION_ITEM {
+ CHAR8 *PtrSection;
+ UINTN SecNameLen;
+ CHAR8 *PtrEntry;
+ CHAR8 *PtrValue;
+ SECTION_ITEM *PtrNext;
+};
+
+typedef struct _COMMENT_LINE COMMENT_LINE;
+struct _COMMENT_LINE {
+ CHAR8 *PtrComment;
+ COMMENT_LINE *PtrNext;
+};
+
+typedef struct {
+ SECTION_ITEM *SectionHead;
+ COMMENT_LINE *CommentHead;
+} INI_PARSING_LIB_CONTEXT;
+
+/**
+ Return if the digital char is valid.
+
+ @param[in] DigitalChar The digital char to be checked.
+ @param[in] IncludeHex If it include HEX char.
+
+ @retval TRUE The digital char is valid.
+ @retval FALSE The digital char is invalid.
+**/
+BOOLEAN
+IsValidDigitalChar (
+ IN CHAR8 DigitalChar,
+ IN BOOLEAN IncludeHex
+ )
+{
+ if (DigitalChar >= '0' && DigitalChar <= '9') {
+ return TRUE;
+ }
+ if (IncludeHex) {
+ if (DigitalChar >= 'a' && DigitalChar <= 'f') {
+ return TRUE;
+ }
+ if (DigitalChar >= 'A' && DigitalChar <= 'F') {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+/**
+ Return if the name char is valid.
+
+ @param[in] NameChar The name char to be checked.
+
+ @retval TRUE The name char is valid.
+ @retval FALSE The name char is invalid.
+**/
+BOOLEAN
+IsValidNameChar (
+ IN CHAR8 NameChar
+ )
+{
+ if (NameChar >= 'a' && NameChar <= 'z') {
+ return TRUE;
+ }
+ if (NameChar >= 'A' && NameChar <= 'Z') {
+ return TRUE;
+ }
+ if (NameChar >= '0' && NameChar <= '9') {
+ return TRUE;
+ }
+ if (NameChar == '_') {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**
+ Return if the digital string is valid.
+
+ @param[in] Digital The digital to be checked.
+ @param[in] Length The length of digital string in bytes.
+ @param[in] IncludeHex If it include HEX char.
+
+ @retval TRUE The digital string is valid.
+ @retval FALSE The digital string is invalid.
+**/
+BOOLEAN
+IsValidDigital (
+ IN CHAR8 *Digital,
+ IN UINTN Length,
+ IN BOOLEAN IncludeHex
+ )
+{
+ UINTN Index;
+ for (Index = 0; Index < Length; Index++) {
+ if (!IsValidDigitalChar(Digital[Index], IncludeHex)) {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+/**
+ Return if the decimal string is valid.
+
+ @param[in] Decimal The decimal string to be checked.
+ @param[in] Length The length of decimal string in bytes.
+
+ @retval TRUE The decimal string is valid.
+ @retval FALSE The decimal string is invalid.
+**/
+BOOLEAN
+IsValidDecimalString (
+ IN CHAR8 *Decimal,
+ IN UINTN Length
+ )
+{
+ return IsValidDigital(Decimal, Length, FALSE);
+}
+
+/**
+ Return if the heximal string is valid.
+
+ @param[in] Hex The heximal string to be checked.
+ @param[in] Length The length of heximal string in bytes.
+
+ @retval TRUE The heximal string is valid.
+ @retval FALSE The heximal string is invalid.
+**/
+BOOLEAN
+IsValidHexString (
+ IN CHAR8 *Hex,
+ IN UINTN Length
+ )
+{
+ if (Length <= 2) {
+ return FALSE;
+ }
+ if (Hex[0] != '0') {
+ return FALSE;
+ }
+ if (Hex[1] != 'x' && Hex[1] != 'X') {
+ return FALSE;
+ }
+ return IsValidDigital(&Hex[2], Length - 2, TRUE);
+}
+
+/**
+ Return if the name string is valid.
+
+ @param[in] Name The name to be checked.
+ @param[in] Length The length of name string in bytes.
+
+ @retval TRUE The name string is valid.
+ @retval FALSE The name string is invalid.
+**/
+BOOLEAN
+IsValidName (
+ IN CHAR8 *Name,
+ IN UINTN Length
+ )
+{
+ UINTN Index;
+ for (Index = 0; Index < Length; Index++) {
+ if (!IsValidNameChar(Name[Index])) {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+/**
+ Return if the value string is valid GUID.
+
+ @param[in] Value The value to be checked.
+ @param[in] Length The length of value string in bytes.
+
+ @retval TRUE The value string is valid GUID.
+ @retval FALSE The value string is invalid GUID.
+**/
+BOOLEAN
+IsValidGuid (
+ IN CHAR8 *Value,
+ IN UINTN Length
+ )
+{
+ if (Length != sizeof("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx") - 1) {
+ return FALSE;
+ }
+ if (!IS_HYPHEN(Value[8])) {
+ return FALSE;
+ }
+ if (!IS_HYPHEN(Value[13])) {
+ return FALSE;
+ }
+ if (!IS_HYPHEN(Value[18])) {
+ return FALSE;
+ }
+ if (!IS_HYPHEN(Value[23])) {
+ return FALSE;
+ }
+ if (!IsValidDigital(&Value[0], 8, TRUE)) {
+ return FALSE;
+ }
+ if (!IsValidDigital(&Value[9], 4, TRUE)) {
+ return FALSE;
+ }
+ if (!IsValidDigital(&Value[14], 4, TRUE)) {
+ return FALSE;
+ }
+ if (!IsValidDigital(&Value[19], 4, TRUE)) {
+ return FALSE;
+ }
+ if (!IsValidDigital(&Value[24], 12, TRUE)) {
+ return FALSE;
+ }
+ return TRUE;
+}
+
+/**
+ Return if the value string is valid.
+
+ @param[in] Value The value to be checked.
+ @param[in] Length The length of value string in bytes.
+
+ @retval TRUE The name string is valid.
+ @retval FALSE The name string is invalid.
+**/
+BOOLEAN
+IsValidValue (
+ IN CHAR8 *Value,
+ IN UINTN Length
+ )
+{
+ if (IsValidName(Value, Length) || IsValidGuid(Value, Length)) {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**
+ Dump an INI config file context.
+
+ @param[in] Context INI Config file context.
+**/
+VOID
+DumpIniSection (
+ IN VOID *Context
+ )
+{
+ INI_PARSING_LIB_CONTEXT *IniContext;
+ SECTION_ITEM *PtrSection;
+ SECTION_ITEM *Section;
+
+ if (Context == NULL) {
+ return;
+ }
+
+ IniContext = Context;
+ Section = IniContext->SectionHead;
+
+ while (Section != NULL) {
+ PtrSection = Section;
+ Section = Section->PtrNext;
+ if (PtrSection->PtrSection != NULL) {
+ DEBUG((DEBUG_VERBOSE, "Section - %a\n", PtrSection->PtrSection));
+ }
+ if (PtrSection->PtrEntry != NULL) {
+ DEBUG ((DEBUG_VERBOSE, " Entry - %a\n", PtrSection->PtrEntry));
+ }
+ if (PtrSection->PtrValue != NULL) {
+ DEBUG((DEBUG_VERBOSE, " Value - %a\n", PtrSection->PtrValue));
+ }
+ }
+}
+
+/**
+ Copy one line data from buffer data to the line buffer.
+
+ @param[in] Buffer Buffer data.
+ @param[in] BufferSize Buffer Size.
+ @param[in, out] LineBuffer Line buffer to store the found line data.
+ @param[in, out] LineSize On input, size of the input line buffer.
+ On output, size of the actual line buffer.
+
+ @retval EFI_BUFFER_TOO_SMALL The size of input line buffer is not enough.
+ @retval EFI_SUCCESS Copy line data into the line buffer.
+
+**/
+EFI_STATUS
+ProfileGetLine (
+ IN UINT8 *Buffer,
+ IN UINTN BufferSize,
+ IN OUT UINT8 *LineBuffer,
+ IN OUT UINTN *LineSize
+ )
+{
+ UINTN Length;
+ UINT8 *PtrBuf;
+ UINTN PtrEnd;
+
+ PtrBuf = Buffer;
+ PtrEnd = (UINTN)Buffer + BufferSize;
+
+ //
+ // 0x0D indicates a line break. Otherwise there is no line break
+ //
+ while ((UINTN)PtrBuf < PtrEnd) {
+ if (*PtrBuf == 0x0D || *PtrBuf == 0x0A) {
+ break;
+ }
+ PtrBuf++;
+ }
+
+ if ((UINTN)PtrBuf >= (PtrEnd - 1)) {
+ //
+ // The buffer ends without any line break
+ // or it is the last character of the buffer
+ //
+ Length = BufferSize;
+ } else if (*(PtrBuf + 1) == 0x0A) {
+ //
+ // Further check if a 0x0A follows. If yes, count 0xA
+ //
+ Length = (UINTN) PtrBuf - (UINTN) Buffer + 2;
+ } else {
+ Length = (UINTN) PtrBuf - (UINTN) Buffer + 1;
+ }
+
+ if (Length > (*LineSize)) {
+ *LineSize = Length;
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ SetMem (LineBuffer, *LineSize, 0x0);
+ *LineSize = Length;
+ CopyMem (LineBuffer, Buffer, Length);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Trim Buffer by removing all CR, LF, TAB, and SPACE chars in its head and tail.
+
+ @param[in, out] Buffer On input, buffer data to be trimed.
+ On output, the trimmed buffer.
+ @param[in, out] BufferSize On input, size of original buffer data.
+ On output, size of the trimmed buffer.
+
+**/
+VOID
+ProfileTrim (
+ IN OUT UINT8 *Buffer,
+ IN OUT UINTN *BufferSize
+ )
+{
+ UINTN Length;
+ UINT8 *PtrBuf;
+ UINT8 *PtrEnd;
+
+ if (*BufferSize == 0) {
+ return;
+ }
+
+ //
+ // Trim the tail first, include CR, LF, TAB, and SPACE.
+ //
+ Length = *BufferSize;
+ PtrBuf = (UINT8 *) ((UINTN) Buffer + Length - 1);
+ while (PtrBuf >= Buffer) {
+ if ((*PtrBuf != 0x0D) && (*PtrBuf != 0x0A )
+ && (*PtrBuf != 0x20) && (*PtrBuf != 0x09)) {
+ break;
+ }
+ PtrBuf --;
+ }
+
+ //
+ // all spaces, a blank line, return directly;
+ //
+ if (PtrBuf < Buffer) {
+ *BufferSize = 0;
+ return;
+ }
+
+ Length = (UINTN)PtrBuf - (UINTN)Buffer + 1;
+ PtrEnd = PtrBuf;
+ PtrBuf = Buffer;
+
+ //
+ // Now skip the heading CR, LF, TAB and SPACE
+ //
+ while (PtrBuf <= PtrEnd) {
+ if ((*PtrBuf != 0x0D) && (*PtrBuf != 0x0A )
+ && (*PtrBuf != 0x20) && (*PtrBuf != 0x09)) {
+ break;
+ }
+ PtrBuf++;
+ }
+
+ //
+ // If no heading CR, LF, TAB or SPACE, directly return
+ //
+ if (PtrBuf == Buffer) {
+ *BufferSize = Length;
+ return;
+ }
+
+ *BufferSize = (UINTN)PtrEnd - (UINTN)PtrBuf + 1;
+
+ //
+ // The first Buffer..PtrBuf characters are CR, LF, TAB or SPACE.
+ // Now move out all these characters.
+ //
+ while (PtrBuf <= PtrEnd) {
+ *Buffer = *PtrBuf;
+ Buffer++;
+ PtrBuf++;
+ }
+
+ return;
+}
+
+/**
+ Insert new comment item into comment head.
+
+ @param[in] Buffer Comment buffer to be added.
+ @param[in] BufferSize Size of comment buffer.
+ @param[in, out] CommentHead Comment Item head entry.
+
+ @retval EFI_OUT_OF_RESOURCES No enough memory is allocated.
+ @retval EFI_SUCCESS New comment item is inserted.
+
+**/
+EFI_STATUS
+ProfileGetComments (
+ IN UINT8 *Buffer,
+ IN UINTN BufferSize,
+ IN OUT COMMENT_LINE **CommentHead
+ )
+{
+ COMMENT_LINE *CommentItem;
+
+ CommentItem = NULL;
+ CommentItem = AllocatePool (sizeof (COMMENT_LINE));
+ if (CommentItem == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ CommentItem->PtrNext = *CommentHead;
+ *CommentHead = CommentItem;
+
+ //
+ // Add a trailing '\0'
+ //
+ CommentItem->PtrComment = AllocatePool (BufferSize + 1);
+ if (CommentItem->PtrComment == NULL) {
+ FreePool (CommentItem);
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyMem (CommentItem->PtrComment, Buffer, BufferSize);
+ *(CommentItem->PtrComment + BufferSize) = '\0';
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Add new section item into Section head.
+
+ @param[in] Buffer Section item data buffer.
+ @param[in] BufferSize Size of section item.
+ @param[in, out] SectionHead Section item head entry.
+
+ @retval EFI_OUT_OF_RESOURCES No enough memory is allocated.
+ @retval EFI_SUCCESS Section item is NULL or Section item is added.
+
+**/
+EFI_STATUS
+ProfileGetSection (
+ IN UINT8 *Buffer,
+ IN UINTN BufferSize,
+ IN OUT SECTION_ITEM **SectionHead
+ )
+{
+ SECTION_ITEM *SectionItem;
+ UINTN Length;
+ UINT8 *PtrBuf;
+ UINT8 *PtrEnd;
+
+ ASSERT(BufferSize >= 1);
+ //
+ // The first character of Buffer is '[', now we want for ']'
+ //
+ PtrEnd = (UINT8 *)((UINTN)Buffer + BufferSize - 1);
+ PtrBuf = (UINT8 *)((UINTN)Buffer + 1);
+ while (PtrBuf <= PtrEnd) {
+ if (*PtrBuf == ']') {
+ break;
+ }
+ PtrBuf ++;
+ }
+ if (PtrBuf > PtrEnd) {
+ //
+ // Not found. Invalid line
+ //
+ return EFI_NOT_FOUND;
+ }
+ if (PtrBuf <= Buffer + 1) {
+ // Empty name
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // excluding the heading '[' and tailing ']'
+ //
+ Length = PtrBuf - Buffer - 1;
+ ProfileTrim (
+ Buffer + 1,
+ &Length
+ );
+
+ //
+ // Invalid line if the section name is null
+ //
+ if (Length == 0) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (!IsValidName((CHAR8 *)Buffer + 1, Length)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ SectionItem = AllocatePool (sizeof (SECTION_ITEM));
+ if (SectionItem == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ SectionItem->PtrSection = NULL;
+ SectionItem->SecNameLen = Length;
+ SectionItem->PtrEntry = NULL;
+ SectionItem->PtrValue = NULL;
+ SectionItem->PtrNext = *SectionHead;
+ *SectionHead = SectionItem;
+
+ //
+ // Add a trailing '\0'
+ //
+ SectionItem->PtrSection = AllocatePool (Length + 1);
+ if (SectionItem->PtrSection == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // excluding the heading '['
+ //
+ CopyMem (SectionItem->PtrSection, Buffer + 1, Length);
+ *(SectionItem->PtrSection + Length) = '\0';
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Add new section entry and entry value into Section head.
+
+ @param[in] Buffer Section entry data buffer.
+ @param[in] BufferSize Size of section entry.
+ @param[in, out] SectionHead Section item head entry.
+
+ @retval EFI_OUT_OF_RESOURCES No enough memory is allocated.
+ @retval EFI_SUCCESS Section entry is added.
+ @retval EFI_NOT_FOUND Section entry is not found.
+ @retval EFI_INVALID_PARAMETER Section entry is invalid.
+
+**/
+EFI_STATUS
+ProfileGetEntry (
+ IN UINT8 *Buffer,
+ IN UINTN BufferSize,
+ IN OUT SECTION_ITEM **SectionHead
+ )
+{
+ EFI_STATUS Status;
+ SECTION_ITEM *SectionItem;
+ SECTION_ITEM *PtrSection;
+ UINTN Length;
+ UINT8 *PtrBuf;
+ UINT8 *PtrEnd;
+
+ Status = EFI_SUCCESS;
+ PtrBuf = Buffer;
+ PtrEnd = (UINT8 *) ((UINTN)Buffer + BufferSize - 1);
+
+ //
+ // First search for '='
+ //
+ while (PtrBuf <= PtrEnd) {
+ if (*PtrBuf == '=') {
+ break;
+ }
+ PtrBuf++;
+ }
+ if (PtrBuf > PtrEnd) {
+ //
+ // Not found. Invalid line
+ //
+ return EFI_NOT_FOUND;
+ }
+ if (PtrBuf <= Buffer) {
+ // Empty name
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // excluding the tailing '='
+ //
+ Length = PtrBuf - Buffer;
+ ProfileTrim (
+ Buffer,
+ &Length
+ );
+
+ //
+ // Invalid line if the entry name is null
+ //
+ if (Length == 0) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (!IsValidName((CHAR8 *)Buffer, Length)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Omit this line if no section header has been found before
+ //
+ if (*SectionHead == NULL) {
+ return Status;
+ }
+ PtrSection = *SectionHead;
+
+ SectionItem = AllocatePool (sizeof (SECTION_ITEM));
+ if (SectionItem == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ SectionItem->PtrSection = NULL;
+ SectionItem->PtrEntry = NULL;
+ SectionItem->PtrValue = NULL;
+ SectionItem->SecNameLen = PtrSection->SecNameLen;
+ SectionItem->PtrNext = *SectionHead;
+ *SectionHead = SectionItem;
+
+ //
+ // SectionName, add a trailing '\0'
+ //
+ SectionItem->PtrSection = AllocatePool (PtrSection->SecNameLen + 1);
+ if (SectionItem->PtrSection == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyMem (SectionItem->PtrSection, PtrSection->PtrSection, PtrSection->SecNameLen + 1);
+
+ //
+ // EntryName, add a trailing '\0'
+ //
+ SectionItem->PtrEntry = AllocatePool (Length + 1);
+ if (SectionItem->PtrEntry == NULL) {
+ FreePool(SectionItem->PtrSection);
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyMem (SectionItem->PtrEntry, Buffer, Length);
+ *(SectionItem->PtrEntry + Length) = '\0';
+
+ //
+ // Next search for '#' or ';'
+ //
+ PtrBuf = PtrBuf + 1;
+ Buffer = PtrBuf;
+ while (PtrBuf <= PtrEnd) {
+ if (*PtrBuf == '#' || *PtrBuf == ';') {
+ break;
+ }
+ PtrBuf++;
+ }
+ if (PtrBuf <= Buffer) {
+ // Empty name
+ FreePool(SectionItem->PtrEntry);
+ FreePool(SectionItem->PtrSection);
+ return EFI_NOT_FOUND;
+ }
+ Length = PtrBuf - Buffer;
+ ProfileTrim (
+ Buffer,
+ &Length
+ );
+
+ //
+ // Invalid line if the entry value is null
+ //
+ if (Length == 0) {
+ FreePool(SectionItem->PtrEntry);
+ FreePool(SectionItem->PtrSection);
+ return EFI_NOT_FOUND;
+ }
+
+ if (!IsValidValue((CHAR8 *)Buffer, Length)) {
+ FreePool(SectionItem->PtrEntry);
+ FreePool(SectionItem->PtrSection);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // EntryValue, add a trailing '\0'
+ //
+ SectionItem->PtrValue = AllocatePool (Length + 1);
+ if (SectionItem->PtrValue == NULL) {
+ FreePool(SectionItem->PtrEntry);
+ FreePool(SectionItem->PtrSection);
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyMem (SectionItem->PtrValue, Buffer, Length);
+ *(SectionItem->PtrValue + Length) = '\0';
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Free all comment entry and section entry.
+
+ @param[in] Section Section entry list.
+ @param[in] Comment Comment entry list.
+
+**/
+VOID
+FreeAllList (
+ IN SECTION_ITEM *Section,
+ IN COMMENT_LINE *Comment
+ )
+{
+ SECTION_ITEM *PtrSection;
+ COMMENT_LINE *PtrComment;
+
+ while (Section != NULL) {
+ PtrSection = Section;
+ Section = Section->PtrNext;
+ if (PtrSection->PtrEntry != NULL) {
+ FreePool (PtrSection->PtrEntry);
+ }
+ if (PtrSection->PtrSection != NULL) {
+ FreePool (PtrSection->PtrSection);
+ }
+ if (PtrSection->PtrValue != NULL) {
+ FreePool (PtrSection->PtrValue);
+ }
+ FreePool (PtrSection);
+ }
+
+ while (Comment != NULL) {
+ PtrComment = Comment;
+ Comment = Comment->PtrNext;
+ if (PtrComment->PtrComment != NULL) {
+ FreePool (PtrComment->PtrComment);
+ }
+ FreePool (PtrComment);
+ }
+
+ return;
+}
+
+/**
+ Get section entry value.
+
+ @param[in] Section Section entry list.
+ @param[in] SectionName Section name.
+ @param[in] EntryName Section entry name.
+ @param[out] EntryValue Point to the got entry value.
+
+ @retval EFI_NOT_FOUND Section is not found.
+ @retval EFI_SUCCESS Section entry value is got.
+
+**/
+EFI_STATUS
+UpdateGetProfileString (
+ IN SECTION_ITEM *Section,
+ IN CHAR8 *SectionName,
+ IN CHAR8 *EntryName,
+ OUT CHAR8 **EntryValue
+ )
+{
+ *EntryValue = NULL;
+
+ while (Section != NULL) {
+ if (AsciiStrCmp ((CONST CHAR8 *) Section->PtrSection, (CONST CHAR8 *) SectionName) == 0) {
+ if (Section->PtrEntry != NULL) {
+ if (AsciiStrCmp ((CONST CHAR8 *) Section->PtrEntry, (CONST CHAR8 *) EntryName) == 0) {
+ break;
+ }
+ }
+ }
+ Section = Section->PtrNext;
+ }
+
+ if (Section == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ *EntryValue = Section->PtrValue;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Converts a list of string to a specified buffer.
+
+ @param[out] Buf The output buffer that contains the string.
+ @param[in] BufferLength The length of the buffer
+ @param[in] Str The input string that contains the hex number
+
+ @retval EFI_SUCCESS The string was successfully converted to the buffer.
+
+**/
+EFI_STATUS
+AsciiStrToBuf (
+ OUT UINT8 *Buf,
+ IN UINTN BufferLength,
+ IN CHAR8 *Str
+ )
+{
+ UINTN Index;
+ UINTN StrLength;
+ UINT8 Digit;
+ UINT8 Byte;
+
+ Digit = 0;
+
+ //
+ // Two hex char make up one byte
+ //
+ StrLength = BufferLength * 2;
+
+ for(Index = 0; Index < StrLength; Index++, Str++) {
+
+ if ((*Str >= 'a') && (*Str <= 'f')) {
+ Digit = (UINT8) (*Str - 'a' + 0x0A);
+ } else if ((*Str >= 'A') && (*Str <= 'F')) {
+ Digit = (UINT8) (*Str - 'A' + 0x0A);
+ } else if ((*Str >= '0') && (*Str <= '9')) {
+ Digit = (UINT8) (*Str - '0');
+ } else {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // For odd characters, write the upper nibble for each buffer byte,
+ // and for even characters, the lower nibble.
+ //
+ if ((Index & 1) == 0) {
+ Byte = (UINT8) (Digit << 4);
+ } else {
+ Byte = Buf[Index / 2];
+ Byte &= 0xF0;
+ Byte = (UINT8) (Byte | Digit);
+ }
+
+ Buf[Index / 2] = Byte;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Converts a string to GUID value.
+ Guid Format is xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+
+ @param[in] Str The registry format GUID string that contains the GUID value.
+ @param[out] Guid A pointer to the converted GUID value.
+
+ @retval EFI_SUCCESS The GUID string was successfully converted to the GUID value.
+ @retval EFI_UNSUPPORTED The input string is not in registry format.
+ @return others Some error occurred when converting part of GUID value.
+
+**/
+EFI_STATUS
+AsciiStrToGuid (
+ IN CHAR8 *Str,
+ OUT EFI_GUID *Guid
+ )
+{
+ //
+ // Get the first UINT32 data
+ //
+ Guid->Data1 = (UINT32) AsciiStrHexToUint64 (Str);
+ while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
+ Str ++;
+ }
+
+ if (IS_HYPHEN (*Str)) {
+ Str++;
+ } else {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Get the second UINT16 data
+ //
+ Guid->Data2 = (UINT16) AsciiStrHexToUint64 (Str);
+ while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
+ Str ++;
+ }
+
+ if (IS_HYPHEN (*Str)) {
+ Str++;
+ } else {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Get the third UINT16 data
+ //
+ Guid->Data3 = (UINT16) AsciiStrHexToUint64 (Str);
+ while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
+ Str ++;
+ }
+
+ if (IS_HYPHEN (*Str)) {
+ Str++;
+ } else {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Get the following 8 bytes data
+ //
+ AsciiStrToBuf (&Guid->Data4[0], 2, Str);
+ //
+ // Skip 2 byte hex chars
+ //
+ Str += 2 * 2;
+
+ if (IS_HYPHEN (*Str)) {
+ Str++;
+ } else {
+ return EFI_UNSUPPORTED;
+ }
+ AsciiStrToBuf (&Guid->Data4[2], 6, Str);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Pre process config data buffer into Section entry list and Comment entry list.
+
+ @param[in] DataBuffer Config raw file buffer.
+ @param[in] BufferSize Size of raw buffer.
+ @param[in, out] SectionHead Pointer to the section entry list.
+ @param[in, out] CommentHead Pointer to the comment entry list.
+
+ @retval EFI_OUT_OF_RESOURCES No enough memory is allocated.
+ @retval EFI_SUCCESS Config data buffer is preprocessed.
+ @retval EFI_NOT_FOUND Config data buffer is invalid, because Section or Entry is not found.
+ @retval EFI_INVALID_PARAMETER Config data buffer is invalid, because Section or Entry is invalid.
+
+**/
+EFI_STATUS
+PreProcessDataFile (
+ IN UINT8 *DataBuffer,
+ IN UINTN BufferSize,
+ IN OUT SECTION_ITEM **SectionHead,
+ IN OUT COMMENT_LINE **CommentHead
+ )
+{
+ EFI_STATUS Status;
+ CHAR8 *Source;
+ CHAR8 *CurrentPtr;
+ CHAR8 *BufferEnd;
+ CHAR8 *PtrLine;
+ UINTN LineLength;
+ UINTN SourceLength;
+ UINTN MaxLineLength;
+
+ *SectionHead = NULL;
+ *CommentHead = NULL;
+ BufferEnd = (CHAR8 *) ( (UINTN) DataBuffer + BufferSize);
+ CurrentPtr = (CHAR8 *) DataBuffer;
+ MaxLineLength = MAX_LINE_LENGTH;
+ Status = EFI_SUCCESS;
+
+ PtrLine = AllocatePool (MaxLineLength);
+ if (PtrLine == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ while (CurrentPtr < BufferEnd) {
+ Source = CurrentPtr;
+ SourceLength = (UINTN)BufferEnd - (UINTN)CurrentPtr;
+ LineLength = MaxLineLength;
+ //
+ // With the assumption that line length is less than 512
+ // characters. Otherwise BUFFER_TOO_SMALL will be returned.
+ //
+ Status = ProfileGetLine (
+ (UINT8 *) Source,
+ SourceLength,
+ (UINT8 *) PtrLine,
+ &LineLength
+ );
+ if (EFI_ERROR (Status)) {
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ //
+ // If buffer too small, re-allocate the buffer according
+ // to the returned LineLength and try again.
+ //
+ FreePool (PtrLine);
+ PtrLine = NULL;
+ PtrLine = AllocatePool (LineLength);
+ if (PtrLine == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ break;
+ }
+ SourceLength = LineLength;
+ Status = ProfileGetLine (
+ (UINT8 *) Source,
+ SourceLength,
+ (UINT8 *) PtrLine,
+ &LineLength
+ );
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+ MaxLineLength = LineLength;
+ } else {
+ break;
+ }
+ }
+ CurrentPtr = (CHAR8 *) ( (UINTN) CurrentPtr + LineLength);
+
+ //
+ // Line got. Trim the line before processing it.
+ //
+ ProfileTrim (
+ (UINT8 *) PtrLine,
+ &LineLength
+ );
+
+ //
+ // Blank line
+ //
+ if (LineLength == 0) {
+ continue;
+ }
+
+ if (PtrLine[0] == '#' || PtrLine[0] == ';') {
+ Status = ProfileGetComments (
+ (UINT8 *) PtrLine,
+ LineLength,
+ CommentHead
+ );
+ } else if (PtrLine[0] == '[') {
+ Status = ProfileGetSection (
+ (UINT8 *) PtrLine,
+ LineLength,
+ SectionHead
+ );
+ } else {
+ Status = ProfileGetEntry (
+ (UINT8 *) PtrLine,
+ LineLength,
+ SectionHead
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+ }
+
+ //
+ // Free buffer
+ //
+ FreePool (PtrLine);
+
+ return Status;
+}
+
+/**
+ Open an INI config file and return a context.
+
+ @param[in] DataBuffer Config raw file buffer.
+ @param[in] BufferSize Size of raw buffer.
+
+ @return Config data buffer is opened and context is returned.
+ @retval NULL No enough memory is allocated.
+ @retval NULL Config data buffer is invalid.
+**/
+VOID *
+EFIAPI
+OpenIniFile (
+ IN UINT8 *DataBuffer,
+ IN UINTN BufferSize
+ )
+{
+ EFI_STATUS Status;
+ INI_PARSING_LIB_CONTEXT *IniContext;
+
+ if (DataBuffer == NULL || BufferSize == 0) {
+ return NULL;
+ }
+
+ IniContext = AllocateZeroPool(sizeof(INI_PARSING_LIB_CONTEXT));
+ if (IniContext == NULL) {
+ return NULL;
+ }
+
+ //
+ // First process the data buffer and get all sections and entries
+ //
+ Status = PreProcessDataFile (
+ DataBuffer,
+ BufferSize,
+ &IniContext->SectionHead,
+ &IniContext->CommentHead
+ );
+ if (EFI_ERROR(Status)) {
+ FreePool(IniContext);
+ return NULL;
+ }
+ DEBUG_CODE_BEGIN ();
+ DumpIniSection(IniContext);
+ DEBUG_CODE_END ();
+ return IniContext;
+}
+
+/**
+ Get section entry string value.
+
+ @param[in] Context INI Config file context.
+ @param[in] SectionName Section name.
+ @param[in] EntryName Section entry name.
+ @param[out] EntryValue Point to the got entry string value.
+
+ @retval EFI_SUCCESS Section entry string value is got.
+ @retval EFI_NOT_FOUND Section is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetStringFromDataFile(
+ IN VOID *Context,
+ IN CHAR8 *SectionName,
+ IN CHAR8 *EntryName,
+ OUT CHAR8 **EntryValue
+ )
+{
+ INI_PARSING_LIB_CONTEXT *IniContext;
+ EFI_STATUS Status;
+
+ if (Context == NULL || SectionName == NULL || EntryName == NULL || EntryValue == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ IniContext = Context;
+
+ *EntryValue = NULL;
+ Status = UpdateGetProfileString (
+ IniContext->SectionHead,
+ SectionName,
+ EntryName,
+ EntryValue
+ );
+ return Status;
+}
+
+/**
+ Get section entry GUID value.
+
+ @param[in] Context INI Config file context.
+ @param[in] SectionName Section name.
+ @param[in] EntryName Section entry name.
+ @param[out] Guid Point to the got GUID value.
+
+ @retval EFI_SUCCESS Section entry GUID value is got.
+ @retval EFI_NOT_FOUND Section is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetGuidFromDataFile (
+ IN VOID *Context,
+ IN CHAR8 *SectionName,
+ IN CHAR8 *EntryName,
+ OUT EFI_GUID *Guid
+ )
+{
+ CHAR8 *Value;
+ EFI_STATUS Status;
+
+ if (Context == NULL || SectionName == NULL || EntryName == NULL || Guid == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = GetStringFromDataFile(
+ Context,
+ SectionName,
+ EntryName,
+ &Value
+ );
+ if (EFI_ERROR(Status)) {
+ return EFI_NOT_FOUND;
+ }
+ if (!IsValidGuid(Value, AsciiStrLen(Value))) {
+ return EFI_NOT_FOUND;
+ }
+ Status = AsciiStrToGuid(Value, Guid);
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_FOUND;
+ }
+ return EFI_SUCCESS;
+}
+
+/**
+ Get section entry decimal UINTN value.
+
+ @param[in] Context INI Config file context.
+ @param[in] SectionName Section name.
+ @param[in] EntryName Section entry name.
+ @param[out] Data Point to the got decimal UINTN value.
+
+ @retval EFI_SUCCESS Section entry decimal UINTN value is got.
+ @retval EFI_NOT_FOUND Section is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetDecimalUintnFromDataFile (
+ IN VOID *Context,
+ IN CHAR8 *SectionName,
+ IN CHAR8 *EntryName,
+ OUT UINTN *Data
+ )
+{
+ CHAR8 *Value;
+ EFI_STATUS Status;
+
+ if (Context == NULL || SectionName == NULL || EntryName == NULL || Data == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = GetStringFromDataFile(
+ Context,
+ SectionName,
+ EntryName,
+ &Value
+ );
+ if (EFI_ERROR(Status)) {
+ return EFI_NOT_FOUND;
+ }
+ if (!IsValidDecimalString(Value, AsciiStrLen(Value))) {
+ return EFI_NOT_FOUND;
+ }
+ *Data = AsciiStrDecimalToUintn(Value);
+ return EFI_SUCCESS;
+}
+
+/**
+ Get section entry heximal UINTN value.
+
+ @param[in] Context INI Config file context.
+ @param[in] SectionName Section name.
+ @param[in] EntryName Section entry name.
+ @param[out] Data Point to the got heximal UINTN value.
+
+ @retval EFI_SUCCESS Section entry heximal UINTN value is got.
+ @retval EFI_NOT_FOUND Section is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetHexUintnFromDataFile (
+ IN VOID *Context,
+ IN CHAR8 *SectionName,
+ IN CHAR8 *EntryName,
+ OUT UINTN *Data
+ )
+{
+ CHAR8 *Value;
+ EFI_STATUS Status;
+
+ if (Context == NULL || SectionName == NULL || EntryName == NULL || Data == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = GetStringFromDataFile(
+ Context,
+ SectionName,
+ EntryName,
+ &Value
+ );
+ if (EFI_ERROR(Status)) {
+ return EFI_NOT_FOUND;
+ }
+ if (!IsValidHexString(Value, AsciiStrLen(Value))) {
+ return EFI_NOT_FOUND;
+ }
+ *Data = AsciiStrHexToUintn(Value);
+ return EFI_SUCCESS;
+}
+
+/**
+ Get section entry heximal UINT64 value.
+
+ @param[in] Context INI Config file context.
+ @param[in] SectionName Section name.
+ @param[in] EntryName Section entry name.
+ @param[out] Data Point to the got heximal UINT64 value.
+
+ @retval EFI_SUCCESS Section entry heximal UINT64 value is got.
+ @retval EFI_NOT_FOUND Section is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetHexUint64FromDataFile (
+ IN VOID *Context,
+ IN CHAR8 *SectionName,
+ IN CHAR8 *EntryName,
+ OUT UINT64 *Data
+ )
+{
+ CHAR8 *Value;
+ EFI_STATUS Status;
+
+ if (Context == NULL || SectionName == NULL || EntryName == NULL || Data == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = GetStringFromDataFile(
+ Context,
+ SectionName,
+ EntryName,
+ &Value
+ );
+ if (EFI_ERROR(Status)) {
+ return EFI_NOT_FOUND;
+ }
+ if (!IsValidHexString(Value, AsciiStrLen(Value))) {
+ return EFI_NOT_FOUND;
+ }
+ *Data = AsciiStrHexToUint64(Value);
+ return EFI_SUCCESS;
+}
+
+/**
+ Close an INI config file and free the context.
+
+ @param[in] Context INI Config file context.
+**/
+VOID
+EFIAPI
+CloseIniFile (
+ IN VOID *Context
+ )
+{
+ INI_PARSING_LIB_CONTEXT *IniContext;
+
+ if (Context == NULL) {
+ return ;
+ }
+
+ IniContext = Context;
+ FreeAllList(IniContext->SectionHead, IniContext->CommentHead);
+
+ return;
+}
diff --git a/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.inf b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.inf new file mode 100644 index 0000000000..00f1d40858 --- /dev/null +++ b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.inf @@ -0,0 +1,43 @@ +## @file
+# INI configuration parsing library.
+#
+# This library parses the INI configuration file.
+#
+# Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = IniParsingLib
+ MODULE_UNI_FILE = IniParsingLib.uni
+ FILE_GUID = 6E4CD200-43E5-43CE-89E9-D715CF9526C4
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = IniParsingLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources]
+ IniParsingLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ SignedCapsulePkg/SignedCapsulePkg.dec
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ MemoryAllocationLib
diff --git a/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.uni b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.uni new file mode 100644 index 0000000000..9b198e8f6e --- /dev/null +++ b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.uni @@ -0,0 +1,22 @@ +// /** @file
+// INI configuration parsing library.
+//
+// This library parses the INI configuration file.
+//
+// Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+//
+// This program and the accompanying materials
+// are licensed and made available under the terms and conditions of the BSD License
+// which accompanies this distribution. The full text of the license may be found at
+// http://opensource.org/licenses/bsd-license.php
+//
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "INI configuration parsing library."
+
+#string STR_MODULE_DESCRIPTION #language en-US "This library parses the INI configuration file."
+
|