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// Attempt to walk the datastructures layed out in the programmer's guide |
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#include <stdio.h> |
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#define FILE_LENGTH 0x2000 |
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#define PS_OFFSET 0x48 |
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typedef struct { |
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unsigned short id; |
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unsigned char version_major; |
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unsigned char version_minor; |
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unsigned short pskey_length; |
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unsigned short data_length; |
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unsigned char eeprom_flag; |
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} Header; |
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typedef struct { |
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unsigned char id; |
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unsigned char length; |
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unsigned int* data; |
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} Envelope; |
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void fill_buffer(char* buffer, char* filename) { |
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FILE *fd; |
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fd = fopen(filename, "r"); |
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if (fd == NULL) { |
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perror("File open errror"); |
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} |
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// Read in the whole dump |
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if (fread(buffer, FILE_LENGTH, 1, fd) != 1) { |
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perror("File wasn't read properly, or wasn't the right size"); |
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} |
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} |
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int print_envelope(char* buffer, int offset) { |
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Envelope* ps = (Envelope*)(buffer + offset); |
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printf("PS Key (id: 0x%X)\n", ps->id); |
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printf("---------------------------\n"); |
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printf(" Length: %hhu\n", ps->length); |
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printf(" Data: \n "); |
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//if (ps->length == 0) |
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// return -1; |
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unsigned char* data = (unsigned char*)ps + 2; |
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for (int i = 0; i < ps->length; i++) |
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printf("%04X ", data[i]); |
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printf("\n\n"); |
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return offset + (ps->length * 2) + 2; |
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} |
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int main(int count, char** args) { |
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Header* head; |
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char buffer[FILE_LENGTH]; |
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fill_buffer(buffer, args[1]); |
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int offset = PS_OFFSET + atoi(args[2]); |
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// Lay the header overtop of or binary dumpage |
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head = (Header*)buffer; |
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// Print header infos: |
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printf("\nMemory Dump Information:\n"); |
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printf("===========================\n"); |
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printf(" Chip ID: %2X\n", head->id); |
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printf(" Version: %hhu.%hhu\n", head->version_major, head->version_minor); |
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printf(" Key Length: %u\n", head->pskey_length); |
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printf(" Data Length: %u\n", head->data_length); |
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printf(" EEPROM: %02X\n", head->eeprom_flag); |
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printf("\n"); |
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while (offset < head->pskey_length) { |
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offset = print_envelope(buffer, offset); |
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if (offset == -1) { |
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printf("Lost pointer\n\n"); |
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return -1; |
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} |
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} |
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printf("\n\n"); |
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} |
