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EFI.cpp
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EFI.cpp
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// Header files
#include <iostream>
#include <fstream>
#include <iomanip>
#include "EFI.h"
// Supporting function implementation
void getEFIStringPackages(vector<EFI_IFR_STRING_PACK> &stringPackages, const string &buffer) {
// Initialize variables
EFI_IFR_STRING_PACK tempStringPackage;
// Go through buffer
for(unsigned int i = 0; i < buffer.size() - 9; i++)
// Check if string pakage was found
if((buffer[i] != '\x00' || buffer[i + 1] != '\x00' || buffer[i + 2] != '\x00' || buffer[i + 3] != '\x00') && buffer[i + 4] == '\x02' && buffer[i + 5] == '\x00' && (buffer[i + 6] != '\x00' || buffer[i + 7] != '\x00' || buffer[i + 8] != '\x00' || buffer[i + 9] != '\x00') && i + static_cast<unsigned char>(buffer[i + 6]) + (static_cast<unsigned char>(buffer[i + 7]) << 8) + (static_cast<unsigned char>(buffer[i + 8]) << 16) + (static_cast<unsigned char>(buffer[i + 9]) << 24) < buffer.size() && buffer[i + static_cast<unsigned char>(buffer[i + 6]) + (static_cast<unsigned char>(buffer[i + 7]) << 8) + (static_cast<unsigned char>(buffer[i + 8]) << 16) + (static_cast<unsigned char>(buffer[i + 9]) << 24) + 4] >= 'a' && buffer[i + static_cast<unsigned char>(buffer[i + 6]) + (static_cast<unsigned char>(buffer[i + 7]) << 8) + (static_cast<unsigned char>(buffer[i + 8]) << 16) + (static_cast<unsigned char>(buffer[i + 9]) << 24) + 4] <= 'z' && i + static_cast<unsigned char>(buffer[i]) + (static_cast<unsigned char>(buffer[i + 1]) << 8) + (static_cast<unsigned char>(buffer[i + 2]) << 16) + (static_cast<unsigned char>(buffer[i + 3]) << 24) < buffer.size() && buffer[i + static_cast<unsigned char>(buffer[i]) + (static_cast<unsigned char>(buffer[i + 1]) << 8) + (static_cast<unsigned char>(buffer[i + 2]) << 16) + (static_cast<unsigned char>(buffer[i + 3]) << 24) + 4] == '\x02' && buffer[i + static_cast<unsigned char>(buffer[i]) + (static_cast<unsigned char>(buffer[i + 1]) << 8) + (static_cast<unsigned char>(buffer[i + 2]) << 16) + (static_cast<unsigned char>(buffer[i + 3]) << 24) + 5] == '\x00') {
// Set temp string package
tempStringPackage.header.offset = i;
tempStringPackage.header.length = static_cast<uint32_t>(static_cast<unsigned char>(buffer[i]) + (static_cast<unsigned char>(buffer[i + 1]) << 8) + (static_cast<unsigned char>(buffer[i + 2]) << 16) + (static_cast<unsigned char>(buffer[i + 3]) << 24));
tempStringPackage.header.type = static_cast<uint16_t>(static_cast<unsigned char>(buffer[i + 4]) + (static_cast<unsigned char>(buffer[i + 5]) << 8));
for(uint32_t j = i + static_cast<uint32_t>(static_cast<unsigned char>(buffer[i + 6]) + (static_cast<unsigned char>(buffer[i + 7]) << 8) + (static_cast<unsigned char>(buffer[i + 8]) << 16) + (static_cast<unsigned char>(buffer[i + 9]) << 24)); buffer[j] != '\x00'; j += 2)
tempStringPackage.language.push_back(buffer[j]);
tempStringPackage.numberOfStrings = static_cast<uint32_t>(static_cast<unsigned char>(buffer[i + 14]) + (static_cast<unsigned char>(buffer[i + 15]) << 8) + (static_cast<unsigned char>(buffer[i + 16]) << 16) + (static_cast<unsigned char>(buffer[i + 17]) << 24));
tempStringPackage.attributes = static_cast<uint32_t>(static_cast<unsigned char>(buffer[i + 18]) + (static_cast<unsigned char>(buffer[i + 19]) << 8) + (static_cast<unsigned char>(buffer[i + 20]) << 16) + (static_cast<unsigned char>(buffer[i + 21]) << 24));
// Add string package to list
stringPackages.push_back(tempStringPackage);
// Clear temp string package
tempStringPackage.language.clear();
}
}
void displayEFIStringPackages(const vector<EFI_IFR_STRING_PACK> &stringPackages) {
// Display string packages info
cout << "String Packages Information:" << endl;
// Go through string packages
for(unsigned int i = 0; i < stringPackages.size(); i++) {
// Display string package info
cout << "\tString Package " << i << " Information:" << endl;
cout << "\t\tOffset: " << dec << stringPackages[i].header.offset << hex << uppercase << " (0x" << stringPackages[i].header.offset << ')' << endl;
cout << "\t\tLength: " << dec << stringPackages[i].header.length << hex << uppercase << " (0x" << stringPackages[i].header.length << ')' << endl;
cout << "\t\tLanguage: " << stringPackages[i].language << endl;
cout << "\t\tNumber of strings: " << dec << stringPackages[i].numberOfStrings << hex << uppercase << " (0x" << stringPackages[i].numberOfStrings << ')' << endl;
cout << "\t\tAttributes: " << dec << stringPackages[i].attributes << hex << uppercase << " (0x" << stringPackages[i].attributes << ')' << endl;
}
cout << endl;
}
void getEFIStrings(vector<EFI_IFR_STRING_PACK> &stringPackages, vector<string> &strings, const string &buffer) {
// Initialize variables
int index;
string temp;
// Go through string packages
for(unsigned int i = 0; i < stringPackages.size(); i++) {
// Check if language isn't english
if(stringPackages[i].language != "eng")
// Continue
continue;
// Set structure offset
stringPackages[i].structureOffset = strings.size();
// Set index
index = stringPackages[i].header.offset + 22;
// Go through strings
for(uint32_t j = 0; j < stringPackages[i].numberOfStrings; j++) {
// Fill string
for(uint32_t k = stringPackages[i].header.offset + static_cast<uint32_t>(static_cast<unsigned char>(buffer[index]) + (static_cast<unsigned char>(buffer[index + 1]) << 8) + (static_cast<unsigned char>(buffer[index + 2]) << 16) + (static_cast<unsigned char>(buffer[index + 3]) << 24)); buffer[k] != '\x00'; k += 2)
temp.push_back(buffer[k]);
// Add string to list
strings.push_back(temp);
// Clear temp
temp.clear();
// Increment index
index += 4;
}
}
// Go through strings
for(unsigned int i = 0; i < strings.size(); i++) {
// Change carriage return characters to spaces
for(unsigned int j = 0; j < strings[i].size(); j++)
if(strings[i][j] == '\r')
strings[i][j] = ' ';
// Remove leading spaces
while(strings[i].size() > 1 && strings[i][0] == ' ')
strings[i].erase(0, 1);
// Change double spaces
for(unsigned int j = 0; strings[i].size() && j < strings[i].size() - 1; j++)
if(strings[i][j] == ' ' && strings[i][j + 1] == ' ')
strings[i].erase(j, 1);
}
}
void displayEFIStrings(const vector<string> &strings) {
// Print strings
cout << "Strings:" << endl;
// Go through strings
for(uint32_t i = 0; i < strings.size(); i++)
// Print string
cout << '\t' << dec << i << " (0x" << hex << uppercase << i << ") " << strings[i] << endl;
cout << endl;
}
void getEFIFormSets(vector<EFI_IFR_FORM_SET_PACK> &formSets, const string &buffer, const vector<EFI_IFR_STRING_PACK> &stringPackages, const vector<string> &strings) {
// Initialize variables
EFI_IFR_FORM_SET_PACK tempFormSet;
vector<uint32_t> stringCandidates;
uint32_t chosenCandidate;
// Go through string packages
for(unsigned int i = 0; i < stringPackages.size(); i++) {
// Check if language isn't english
if(stringPackages[i].language != "eng")
// Continue
continue;
// Get string candidate
stringCandidates.push_back(i);
}
// Go through buffer
for(uint32_t i = 0; i < buffer.size() - 5; i++)
// Check if form set was found
if((buffer[i] != '\x00' || buffer[i + 1] != '\x00' || buffer[i + 2] != '\x00' || buffer[i + 3] != '\x00') && buffer[i + 4] == '\x03' && buffer[i + 5] == '\x00' && i + static_cast<unsigned char>(buffer[i]) + (static_cast<unsigned char>(buffer[i + 1]) << 8) + (static_cast<unsigned char>(buffer[i + 2]) << 16) + (static_cast<unsigned char>(buffer[i + 3]) << 24) < buffer.size() && buffer[i + static_cast<unsigned char>(buffer[i]) + (static_cast<unsigned char>(buffer[i + 1]) << 8) + (static_cast<unsigned char>(buffer[i + 2]) << 16) + (static_cast<unsigned char>(buffer[i + 3]) << 24) - 1] == '\x02' && buffer[i + static_cast<unsigned char>(buffer[i]) + (static_cast<unsigned char>(buffer[i + 1]) << 8) + (static_cast<unsigned char>(buffer[i + 2]) << 16) + (static_cast<unsigned char>(buffer[i + 3]) << 24) - 2] == '\x0D') {
// Get chosen candidate for form set's string package
chosenCandidate = stringCandidates[0];
for(unsigned int j = 1; j < stringCandidates.size(); j++)
if(abs(static_cast<signed>(stringPackages[j].header.offset - i)) < abs(static_cast<signed>(stringPackages[chosenCandidate].header.offset - i)))
chosenCandidate = j;
// Set temp form set
tempFormSet.header.offset = i;
tempFormSet.header.length = static_cast<uint32_t>(static_cast<unsigned char>(buffer[i]) + (static_cast<unsigned char>(buffer[i + 1]) << 8) + (static_cast<unsigned char>(buffer[i + 2]) << 16) + (static_cast<unsigned char>(buffer[i + 3]) << 24));
tempFormSet.header.type = static_cast<uint16_t>(static_cast<unsigned char>(buffer[i + 4]) + (static_cast<unsigned char>(buffer[i + 5]) << 8));
tempFormSet.titleString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[i + 24]) + (static_cast<unsigned char>(buffer[i + 25]) << 8));
tempFormSet.usingStringPackage = stringCandidates[chosenCandidate];
tempFormSet.title = strings[tempFormSet.titleString + stringPackages[tempFormSet.usingStringPackage].structureOffset];
// Add temp form set to list
formSets.push_back(tempFormSet);
}
}
void displayEFIFormSets(const vector<EFI_IFR_FORM_SET_PACK> &formSets) {
// Print form sets information
cout << "Form Sets Information:" << endl;
// Go through form sets
for(uint32_t i = 0; i < formSets.size(); i++) {
// Print form set information
cout << "\tForm Set " << i << " Information:" << endl;
cout << "\t\tOffset: " << dec << formSets[i].header.offset << hex << uppercase << " (0x" << formSets[i].header.offset << ')' << endl;
cout << "\t\tLength: " << dec << formSets[i].header.length << hex << uppercase << " (0x" << formSets[i].header.length << ')' << endl;
cout << "\t\tTitle ID: " << dec << formSets[i].titleString << hex << uppercase << " (0x" << formSets[i].titleString << ')' << endl;
cout << "\t\tTitle: " << formSets[i].title << endl;
}
cout << endl;
}
void generateEFIIFRDump(const string &outputFile, const vector<EFI_IFR_STRING_PACK> &stringPackages, const vector<EFI_IFR_FORM_SET_PACK> &formSets, const string &buffer, const vector<string> &strings) {
// Initialize variables
uint8_t numberOfTabs = 0;
uint8_t numberOfIfs = 0;
unsigned char highNibble, lowNibble;
ofstream fout(outputFile.c_str());
// Display protocol
for(uint8_t i = 0; i < 32; i++)
fout << ' ';
fout << "EFI Protocol Detected" << endl;
for(uint8_t i = 0; i < 80; i++)
fout << '-';
fout << endl << endl << endl;
// Display string packages info
for(uint8_t i = 0; i < 32; i++)
fout << ' ';
fout << "String Packages" << endl;
for(uint8_t i = 0; i < 80; i++)
fout << '-';
fout << endl;
fout << "Offset:\t\tLanguage:" << endl;
for(uint8_t i = 0; i < 80; i++)
fout << '-';
fout << endl;
for(uint8_t i = 0; i < stringPackages.size(); i++) {
fout << "0x" << hex << uppercase << stringPackages[i].header.offset;
fout << "\t\t" << stringPackages[i].language << " (0x" << hex << uppercase << static_cast<unsigned int>(i) << ')' << endl;
}
fout << endl << endl;
// Display form sets info
for(uint8_t i = 0; i < 35; i++)
fout << ' ';
fout << "Form Sets" << endl;
for(uint8_t i = 0; i < 80; i++)
fout << '-';
fout << endl;
fout << "Offset:\t\tTitle:" << endl;
for(uint8_t i = 0; i < 80; i++)
fout << '-';
fout << endl;
for(uint8_t i = 0; i < formSets.size(); i++) {
fout << "0x" << hex << uppercase << formSets[i].header.offset;
fout << "\t\t" << formSets[i].title << " (0x" << hex << uppercase << formSets[i].titleString << " from string package 0x" << formSets[i].usingStringPackage << ')' << endl;
}
fout << endl << endl;
// Display internal forms representation
for(uint8_t i = 0; i < 25; i++)
fout << ' ';
fout << "Internal Forms Representation" << endl;
for(uint8_t i = 0; i < 80; i++)
fout << '-';
fout << endl;
fout << "Offset:\t\tInstruction:" << endl;
for(uint8_t i = 0; i < 80; i++)
fout << '-';
fout << endl;
// Go through form sets
for(uint32_t i = 0; i < formSets.size(); i++)
// Go through all the form set's operations
for(uint32_t j = formSets[i].header.offset + 6; j < formSets[i].header.offset + formSets[i].header.length; j += static_cast<unsigned char>(buffer[j + 1])) {
// Check if opcode is EFI_IFR_FORM_OP 0x01
if(buffer[j] == EFI_IFR_FORM_OP) {
// Create temp
EFI_IFR_FORM temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.formId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.titleString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 4]) + (static_cast<unsigned char>(buffer[j + 5]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Form: " << strings[temp.titleString + stringPackages[formSets[i].usingStringPackage].structureOffset] << ", Form ID: 0x" << hex << uppercase << temp.formId;
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_SUBTITLE_OP 0x02
else if(buffer[j] == EFI_IFR_SUBTITLE_OP) {
// Create temp
EFI_IFR_SUBTITLE temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.subtitleString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Subtitle: " << strings[temp.subtitleString + stringPackages[formSets[i].usingStringPackage].structureOffset];
}
// Otherwise check if opcode is EFI_IFR_TEXT_OP 0x03
else if(buffer[j] == EFI_IFR_TEXT_OP) {
// Create temp
EFI_IFR_TEXT temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.helpString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.primaryTextString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 4]) + (static_cast<unsigned char>(buffer[j + 5]) << 8));
temp.secondaryTextString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 6]) + (static_cast<unsigned char>(buffer[j + 7]) << 8));
temp.flags = static_cast<unsigned char>(buffer[j + 8]);
temp.key = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 9]) + (static_cast<unsigned char>(buffer[j + 10]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Text: " << strings[temp.primaryTextString + stringPackages[formSets[i].usingStringPackage].structureOffset];
}
// Otherwise chec if opcode is EFI_IFR_GRAPHIC_OP 0x04
else if(buffer[j] == EFI_IFR_GRAPHIC_OP) {
// Display offset
fout << "0x" << hex << uppercase << j << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Graphic:";
}
// Otherwise check if opcode is EFI_IFR_ONE_OF_OP 0x05
else if(buffer[j] == EFI_IFR_ONE_OF_OP) {
// Create temp
EFI_IFR_ONE_OF temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.questionId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.width = static_cast<unsigned char>(buffer[j + 4]);
temp.promptString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 5]) + (static_cast<unsigned char>(buffer[j + 6]) << 8));
temp.helpString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 7]) + (static_cast<unsigned char>(buffer[j + 8]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Setting: " << strings[temp.promptString + stringPackages[formSets[i].usingStringPackage].structureOffset] << ", Variable: 0x" << hex << uppercase << temp.questionId << '[' << dec << static_cast<unsigned int>(temp.width) << ']';
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_CHECKBOX_OP 0x06
else if(buffer[j] == EFI_IFR_CHECKBOX_OP) {
// Create temp
EFI_IFR_CHECKBOX temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.questionId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.width = static_cast<unsigned char>(buffer[j + 4]);
temp.promptString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 5]) + (static_cast<unsigned char>(buffer[j + 6]) << 8));
temp.helpString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 7]) + (static_cast<unsigned char>(buffer[j + 8]) << 8));
temp.flags = static_cast<unsigned char>(buffer[j + 9]);
temp.key = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 10]) + (static_cast<unsigned char>(buffer[j + 11]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Checkbox: " << strings[temp.promptString + stringPackages[formSets[i].usingStringPackage].structureOffset] << ", Variable: 0x" << hex << uppercase << temp.questionId << '[' << dec << static_cast<unsigned int>(temp.width) << ']';
}
// Otherwise check if opcode is EFI_IFR_NUMERIC_OP 0x07
else if(buffer[j] == EFI_IFR_NUMERIC_OP) {
// Create temp
EFI_IFR_NUMERIC temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.questionId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.width = static_cast<unsigned char>(buffer[j + 4]);
temp.promptString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 5]) + (static_cast<unsigned char>(buffer[j + 6]) << 8));
temp.helpString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 7]) + (static_cast<unsigned char>(buffer[j + 8]) << 8));
temp.flags = static_cast<unsigned char>(buffer[j + 9]);
temp.key = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 10]) + (static_cast<unsigned char>(buffer[j + 11]) << 8));
temp.maximum = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 12]) + (static_cast<unsigned char>(buffer[j + 13]) << 8));
temp.minimum = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 14]) + (static_cast<unsigned char>(buffer[j + 15]) << 8));
temp.step = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 16]) + (static_cast<unsigned char>(buffer[j + 17]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Numeric: " << strings[temp.promptString + stringPackages[formSets[i].usingStringPackage].structureOffset] << " (" << dec << temp.minimum << '-' << temp.maximum << "), Variable: 0x" << hex << uppercase << temp.questionId << '[' << dec << static_cast<unsigned int>(temp.width) << ']';
}
// Otherwise check if opcode is EFI_IFR_PASSWORD_OP 0x08
else if(buffer[j] == EFI_IFR_PASSWORD_OP) {
// Create temp
EFI_IFR_PASSWORD temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.questionId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.width = static_cast<unsigned char>(buffer[j + 4]);
temp.promptString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 5]) + (static_cast<unsigned char>(buffer[j + 6]) << 8));
temp.helpString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 7]) + (static_cast<unsigned char>(buffer[j + 8]) << 8));
temp.flags = static_cast<unsigned char>(buffer[j + 9]);
temp.key = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 10]) + (static_cast<unsigned char>(buffer[j + 11]) << 8));
temp.minimumSize = static_cast<unsigned char>(buffer[j + 12]);
temp.maximumSize = static_cast<unsigned char>(buffer[j + 13]);
temp.encoding = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 14]) + (static_cast<unsigned char>(buffer[j + 15]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Password: " << strings[temp.promptString + stringPackages[formSets[i].usingStringPackage].structureOffset] << ", Variable: 0x" << hex << uppercase << temp.questionId << '[' << dec << static_cast<unsigned int>(temp.width) << ']';
}
// Otherwise check if opcode is EFI_IFR_ONE_OF_OPTION_OP 0x09
else if(buffer[j] == EFI_IFR_ONE_OF_OPTION_OP) {
// Create temp
EFI_IFR_ONE_OF_OPTION temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.optionString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.value = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 4]) + (static_cast<unsigned char>(buffer[j + 5]) << 8));
temp.flags = static_cast<unsigned char>(buffer[j + 6]);
temp.key = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 7]) + (static_cast<unsigned char>(buffer[j + 8]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Option: " << strings[temp.optionString + stringPackages[formSets[i].usingStringPackage].structureOffset] << ", Value: 0x" << hex << uppercase << temp.value;
}
// Otherwise check if opcode is EFI_IFR_SUPPRESS_IF_OP 0x0A
else if(buffer[j] == EFI_IFR_SUPPRESS_IF_OP) {
// Create temp
EFI_IFR_SUPPRESS temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.flags = static_cast<unsigned char>(buffer[j + 2]);
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Suppress If:";
// Increment number of ifs
numberOfIfs++;
}
// Otherwise check if opcode is EFI_IFR_END_FORM_OP 0x0B
else if(buffer[j] == EFI_IFR_END_FORM_OP) {
// Create temp
EFI_IFR_END_FORM temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
// Decrement number of tabs
numberOfTabs--;
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "End Form";
}
// Otherwise check if opcode is EFI_IFR_HIDDEN_OP 0x0C
else if(buffer[j] == EFI_IFR_HIDDEN_OP) {
// Create temp
EFI_IFR_HIDDEN temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.value = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.key = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 4]) + (static_cast<unsigned char>(buffer[j + 5]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Hidden:";
}
// Otherwise check if opcode is EFI_IFR_END_FORM_SET_OP 0x0D
else if(buffer[j] == EFI_IFR_END_FORM_SET_OP) {
// Create temp
EFI_IFR_END_FORM_SET temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
// Decrement number of tabs
numberOfTabs--;
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "End Form Set";
}
// Otherwise check if opcode is EFI_IFR_FORM_SET_OP 0x0E
else if(buffer[j] == EFI_IFR_FORM_SET_OP) {
// Create temp
EFI_IFR_FORM_SET temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
for(uint32_t k = j + 2; k < j + 6; k++) {
highNibble = ((buffer[k] >> 4) & 0x0F) + '0';
lowNibble = (buffer[k] & 0x0F) + '0';
if(highNibble > 0x39 && highNibble < 0x41)
highNibble += 0x07;
if(lowNibble > 0x39 && lowNibble < 0x41)
lowNibble += 0x07;
temp.guid.insert(0, 1, lowNibble);
temp.guid.insert(0, 1, highNibble);
}
temp.guid.push_back('-');
for(uint32_t k = j + 6; k < j + 8; k++) {
highNibble = ((buffer[k] >> 4) & 0x0F) + '0';
lowNibble = (buffer[k] & 0x0F) + '0';
if(highNibble > 0x39 && highNibble < 0x41)
highNibble += 0x07;
if(lowNibble > 0x39 && lowNibble < 0x41)
lowNibble += 0x07;
temp.guid.insert(9, 1, lowNibble);
temp.guid.insert(9, 1, highNibble);
}
temp.guid.push_back('-');
for(uint32_t k = j + 8; k < j + 10; k++) {
highNibble = ((buffer[k] >> 4) & 0x0F) + '0';
lowNibble = (buffer[k] & 0x0F) + '0';
if(highNibble > 0x39 && highNibble < 0x41)
highNibble += 0x07;
if(lowNibble > 0x39 && lowNibble < 0x41)
lowNibble += 0x07;
temp.guid.insert(14, 1, lowNibble);
temp.guid.insert(14, 1, highNibble);
}
temp.guid.push_back('-');
for(uint32_t k = j + 10; k < j + 12; k++) {
highNibble = ((buffer[k] >> 4) & 0x0F) + '0';
lowNibble = (buffer[k] & 0x0F) + '0';
if(highNibble > 0x39 && highNibble < 0x41)
highNibble += 0x07;
if(lowNibble > 0x39 && lowNibble < 0x41)
lowNibble += 0x07;
temp.guid.push_back(highNibble);
temp.guid.push_back(lowNibble);
}
temp.guid.push_back('-');
for(uint32_t k = j + 12; k < j + 18; k++) {
highNibble = ((buffer[k] >> 4) & 0x0F) + '0';
lowNibble = (buffer[k] & 0x0F) + '0';
if(highNibble > 0x39 && highNibble < 0x41)
highNibble += 0x07;
if(lowNibble > 0x39 && lowNibble < 0x41)
lowNibble += 0x07;
temp.guid.push_back(highNibble);
temp.guid.push_back(lowNibble);
}
temp.titleString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 18]) + (static_cast<unsigned char>(buffer[j + 19]) << 8));
temp.helpString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 20]) + (static_cast<unsigned char>(buffer[j + 21]) << 8));
temp.callbackHandle = static_cast<uint64_t>(static_cast<unsigned char>(buffer[j + 22]) + (static_cast<unsigned char>(buffer[j + 23]) << 8) + (static_cast<unsigned char>(buffer[j + 24]) << 16) + (static_cast<unsigned char>(buffer[j + 25]) << 24) + (static_cast<uint64_t>(static_cast<unsigned char>(buffer[j + 26])) << 32) + (static_cast<uint64_t>(static_cast<unsigned char>(buffer[j + 27])) << 40) + (static_cast<uint64_t>(static_cast<unsigned char>(buffer[j + 28])) << 48) + (static_cast<uint64_t>(static_cast<unsigned char>(buffer[j + 29])) << 56));
temp.mainClass = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 30]) + (static_cast<unsigned char>(buffer[j + 31]) << 8));
temp.subClass = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 32]) + (static_cast<unsigned char>(buffer[j + 33]) << 8));
temp.nvDataSize = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 34]) + (static_cast<unsigned char>(buffer[j + 25]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Form Set: " << strings[temp.titleString + stringPackages[formSets[i].usingStringPackage].structureOffset];
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_REF_OP 0x0F
else if(buffer[j] == EFI_IFR_REF_OP) {
// Create temp
EFI_IFR_REF temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.formId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.promptString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 4]) + (static_cast<unsigned char>(buffer[j + 5]) << 8));
temp.helpString = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 6]) + (static_cast<unsigned char>(buffer[j + 7]) << 8));
temp.flags = static_cast<uint8_t>(static_cast<unsigned char>(buffer[j + 8]));
temp.key = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 9]) + (static_cast<unsigned char>(buffer[j + 10]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Selectable: " << strings[temp.promptString + stringPackages[formSets[i].usingStringPackage].structureOffset] << ", Form ID: 0x" << hex << uppercase << temp.formId;
}
// Otherwise check if opcode is EFI_IFR_END_OP 0x10
else if(buffer[j] == EFI_IFR_END_ONE_OF_OP) {
// Create temp
EFI_IFR_END_ONE_OF temp;
// Fill end one of
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
// Decrement number of tabs
numberOfTabs--;
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "End of Options";
}
// Otherwise check if opcode is EFI_IFR_INCONSISTENT_IF_OP 0x11
else if(buffer[j] == EFI_IFR_INCONSISTENT_IF_OP) {
// Create temp
EFI_IFR_INCONSISTENT temp;
// Fill inconsistent
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.popup = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.flags = static_cast<uint8_t>(buffer[j + 4]);
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display inconsistent
fout << "Inconsistent If:";
// Increment number of ifs
numberOfIfs++;
}
// Otherwise check if opcode is EFI_IFR_EQ_ID_VAL_OP 0x12
else if(buffer[j] == EFI_IFR_EQ_ID_VAL_OP) {
// Create temp
EFI_IFR_EQ_ID_VAL temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.questionId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.width = static_cast<unsigned char>(buffer[j + 4]);
temp.value = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 5]) + (static_cast<unsigned char>(buffer[j + 6]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Variable 0x" << hex << uppercase << temp.questionId << '[' << dec << static_cast<unsigned int>(temp.width) << ']' << " equals 0x" << hex << uppercase << temp.value;
// Check if there isn't a following conditional statement
if(endEFICondition(buffer, j))
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_EQ_ID_ID_OP 0x13
else if(buffer[j] == EFI_IFR_EQ_ID_ID_OP) {
// Create temp
EFI_IFR_EQ_ID_ID temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.primaryQuestionId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.width = static_cast<unsigned char>(buffer[j + 4]);
temp.secondaryQuestionId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 5]) + (static_cast<unsigned char>(buffer[j + 6]) << 8));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Variable 0x" << hex << uppercase << temp.primaryQuestionId << '[' << dec << static_cast<unsigned int>(temp.width) << ']' << " equals variable 0x" << hex << uppercase << temp.secondaryQuestionId;
// Check if there isn't a following conditional statement
if(endEFICondition(buffer, j))
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_EQ_ID_LIST_OP 0x14
else if(buffer[j] == EFI_IFR_EQ_ID_LIST_OP) {
// Create temp
EFI_IFR_EQ_ID_LIST temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.questionId = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 2]) + (static_cast<unsigned char>(buffer[j + 3]) << 8));
temp.width = static_cast<unsigned char>(buffer[j + 4]);
temp.listLength = static_cast<uint16_t>(static_cast<unsigned char>(buffer[j + 5]) + (static_cast<unsigned char>(buffer[j + 6]) << 8));
// Create list
uint32_t index = j + 7;
for(uint8_t k = 0; k < temp.listLength; k++, index += 2)
temp.valueList.push_back(static_cast<uint16_t>(static_cast<unsigned char>(buffer[index]) + (static_cast<unsigned char>(buffer[index + 1]) << 8)));
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Variable 0x" << hex << uppercase << temp.questionId << '[' << dec << static_cast<unsigned int>(temp.width) << ']' << " equals value in list (";
for(uint8_t k = 0; k < temp.listLength; k++) {
fout << "0x" << hex << uppercase << temp.valueList[k];
if(k != temp.listLength - 1)
fout << ", ";
else
fout << ')';
}
// Check if there isn't a following conditional statement
if(endEFICondition(buffer, j))
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_AND_OP 0x15
else if(buffer[j] == EFI_IFR_AND_OP) {
// Create temp
EFI_IFR_AND temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "And";
// Check if there isn't a following conditional statement
if(endEFICondition(buffer, j))
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_OR_OP 0x16
else if(buffer[j] == EFI_IFR_OR_OP) {
// Create temp
EFI_IFR_OR temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Or";
// Check if there isn't a following conditional statement
if(endEFICondition(buffer, j))
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_NOT_OP 0x17
else if(buffer[j] == EFI_IFR_NOT_OP) {
// Create temp
EFI_IFR_NOT temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t k = 0; k < numberOfTabs; k++)
fout << '\t';
// Display temp
fout << "Not";
// Check if there isn't a following conditional statement
if(endEFICondition(buffer, j))
// Increment number of tabs
numberOfTabs++;
}
// Otherwise check if opcode is EFI_IFR_END_IF_OP 0x18
else if(buffer[j] == EFI_IFR_END_IF_OP) {
// Create temp
EFI_IFR_END_IF temp;
// Fill temp
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
// Go through ifs
for(uint8_t k = 0; k < numberOfIfs; k++) {
// Decrement number of tabs
numberOfTabs--;
// Display offset
fout << "0x" << hex << uppercase << temp.header.offset << ' ';
// Display tabs
for(uint8_t l = 0; l < numberOfTabs; l++)
fout << '\t';
// Display temp
fout << "End If";
}
// Clear number of ifs
numberOfIfs = 0;
}
// Otherwise check if opcode is EFI_IFR_GRAYOUT_IF_OP 0x19
else if(buffer[j] == EFI_IFR_GRAYOUT_IF_OP) {
// Create temp
EFI_IFR_GRAYOUT temp;
// Fill grayout
temp.header.offset = j;
temp.header.opcode = buffer[j];
temp.header.length = static_cast<unsigned char>(buffer[j + 1]);
temp.flags = static_cast<unsigned char>(buffer[j + 2]);
// Display offset