build.sh

@@ -2,4 +2,4 @@
 
 # TEMP BUILD SCRIPT
 
-gcc src/common/common.c src/getdata/getdata.c src/setdata/optheaders.c src/setdata/populateheaders.c src/setdata/pagedescriptors.c src/placer/placer.c src/write/writexex.c src/write/headerhash.c src/main.c -o synthxex -lnettle -Wno-multichar -g -fsanitize=address
+gcc src/getdata/getdata.c src/setdata/optheaders.c src/setdata/populateheaders.c src/setdata/pagedescriptors.c src/placer/placer.c src/write/writexex.c src/write/headerhash.c src/main.c -o synthxex -lnettle -Wno-multichar -g -fsanitize=address

src/common/common.c

@@ -1,24 +0,0 @@
-// This file is part of SynthXEX, one component of the
-// FreeChainXenon development toolchain
-//
-// Copyright (c) 2024 Aiden Isik
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-#include "common.h"
-
-void infoPrint(char *str)
-{
-  printf("SynthXEX> %s\n", str);
-}

src/common/common.h

@@ -29,6 +29,9 @@
 #define COPYRIGHT "2024"
 #define VERSION_STRING "SynthXEX v0.0.1"
 
+// Print constants
+#define PRINT_STEM "SynthXEX>"
+
 // Return values
 #define SUCCESS 0
 

src/getdata/getdata.c

@@ -152,15 +152,15 @@ int getSectionRwxFlags(FILE *pe, struct sections *sections)
 int getHdrData(FILE *pe, struct peData *peData, uint8_t flags)
 {
   // Get header data required for ANY XEX
-  // PE size
+  
-  struct stat peStat;
-  fstat(fileno(pe), &peStat);
-  peData->size = peStat.st_size;
-
   // Getting PE header offset before we go any further..
   fseek(pe, 0x3C, SEEK_SET);
   uint32_t peOffset = get32BitFromPE(pe);
 
+  // PE size
+  fseek(pe, peOffset + 0x50, SEEK_SET);
+  peData->size = get32BitFromPE(pe);
+  
   // Base address
   fseek(pe, peOffset + 0x34, SEEK_SET);
   peData->baseAddr = get32BitFromPE(pe);

src/main.c

@@ -102,7 +102,7 @@ int main(int argc, char **argv)
 	  free(xexfilePath);
 	}
       
-      infoPrint("ERROR: Basefile input expected but not found. Aborting.");
+      printf("%s ERROR: Basefile input expected but not found. Aborting.", PRINT_STEM);
       return -1;
     }
   else if(!gotOutput)
@@ -112,7 +112,7 @@ int main(int argc, char **argv)
 	  free(basefilePath);
 	}
       
-      infoPrint("ERROR: Xexfile output expected but not found. Aborting.");
+      printf("%s ERROR: Xexfile output expected but not found. Aborting.", PRINT_STEM);
       return -1;
     }
 
@@ -132,7 +132,7 @@ int main(int argc, char **argv)
 
   if(!validatePE(pe))
     {
-      infoPrint("ERROR: Basefile is not Xbox 360 PE. Aborting.");
+      printf("%s ERROR: Basefile is not Xbox 360 PE. Aborting.", PRINT_STEM);
       fclose(pe);
       fclose(xex);
       return -1;
@@ -140,31 +140,31 @@ int main(int argc, char **argv)
   
   if(getHdrData(pe, &peData, 0) != 0)
     {
-      infoPrint("ERROR: Unknown error in data retrieval from basefile. Aborting.");
+      printf("%s ERROR: Unknown error in data retrieval from basefile. Aborting.", PRINT_STEM);
       fclose(pe);
       fclose(xex);
       return -1;
     }
 
   // TEMPORARY: READ IN IMPORT HEADER DATA
-  FILE *importData = fopen("./import.bin", "r");
+//  FILE *importData = fopen("./import.bin", "r");
-
+//
-  struct stat importStat;
+//  struct stat importStat;
-  fstat(fileno(importData), &importStat);
+//  fstat(fileno(importData), &importStat);
-  uint32_t importLen = importStat.st_size;
+//  uint32_t importLen = importStat.st_size;
-
+//
-  fread(&(optHeaders.importLibraries.size), sizeof(uint8_t), 4, importData);
+//  fread(&(optHeaders.importLibraries.size), sizeof(uint8_t), 4, importData);
-
+//
-#ifdef LITTLE_ENDIAN_SYSTEM
+//#ifdef LITTLE_ENDIAN_SYSTEM
-  optHeaders.importLibraries.size = ntohl(optHeaders.importLibraries.size);
+//  optHeaders.importLibraries.size = ntohl(optHeaders.importLibraries.size);
-#endif
+//#endif
   
-  optHeaders.importLibraries.data = malloc(importLen - 0x4 * sizeof(uint8_t));
+  //optHeaders.importLibraries.data = malloc(importLen - 0x4 * sizeof(uint8_t));
-  fread(optHeaders.importLibraries.data, sizeof(uint8_t), importLen - 0x4, importData);
+  //fread(optHeaders.importLibraries.data, sizeof(uint8_t), importLen - 0x4, importData);
   
   // Setting final XEX data structs
   setXEXHeader(&xexHeader);
-  setSecInfoHeader(&secInfoHeader, &peData, 0x823DFC64); // TEMP EXPORT TABLE ADDR
+  setSecInfoHeader(&secInfoHeader, &peData);
   setPageDescriptors(pe, &peData, &secInfoHeader);
   setOptHeaders(&secInfoHeader, &peData, &optHeaderEntries, &optHeaders);
   
@@ -174,19 +174,19 @@ int main(int argc, char **argv)
   // Write out all of the XEX data to file
   if(writeXEX(&xexHeader, &optHeaderEntries, &secInfoHeader, &optHeaders, &offsets, pe, xex) != 0)
     {
-      infoPrint("ERROR: Unknown error in XEX write routine. Aborting.");
+      printf("%s ERROR: Unknown error in XEX write routine. Aborting.", PRINT_STEM);
       fclose(pe);
       fclose(xex);
       return -1;
     }
 
-  free(optHeaders.importLibraries.data);
+  //free(optHeaders.importLibraries.data);
 
   // Final pass (sets & writes header hash)
   setHeaderSha1(xex);
 
   // TEMPORARY: Hashing will be moved to earlier on when imports are implemented
-  setImportsSha1(xex);
+  //setImportsSha1(xex);
   
   fclose(pe);
   fclose(xex);

src/placer/placer.c

@@ -91,7 +91,7 @@ void placeStructs(struct offsets *offsets, struct xexHeader *xexHeader, struct o
   struct importLibIdcs importLibIdcs;
   uint32_t importLibsIdx; // Entry in opt header entries of import libs
   setOptHeaderOffsets(offsets, optHeaderEntries, optHeaders, &currentOffset, &importLibIdcs);
-  currentOffset += optHeaders->importLibraries.size; // Reserving bytes for imports
+  //currentOffset += optHeaders->importLibraries.size; // Reserving bytes for imports
   
   // PE basefile
   currentOffset = getNextAligned(currentOffset, 0x1000); // 4KiB alignment for basefile
@@ -99,6 +99,6 @@ void placeStructs(struct offsets *offsets, struct xexHeader *xexHeader, struct o
   xexHeader->peOffset = currentOffset;
 
   // Imports, the end of this header is aligned to the start of the basefile, so they are a special case
-  offsets->optHeaders[importLibIdcs.header] = offsets->basefile - optHeaders->importLibraries.size;
+  //offsets->optHeaders[importLibIdcs.header] = offsets->basefile - optHeaders->importLibraries.size;
-  optHeaderEntries->optHeaderEntry[importLibIdcs.entry].dataOrOffset = offsets->optHeaders[importLibIdcs.header];
+  //optHeaderEntries->optHeaderEntry[importLibIdcs.entry].dataOrOffset = offsets->optHeaders[importLibIdcs.header];
 }

src/setdata/optheaders.c

@@ -49,7 +49,7 @@ void setSysFlags(uint32_t *flags)
 void setOptHeaders(struct secInfoHeader *secInfoHeader, struct peData *peData, struct optHeaderEntries *optHeaderEntries, struct optHeaders *optHeaders)
 {
   // TODO: Dynamically select optional headers to use, instead of hard-coding
-  optHeaderEntries->count = 5;
+  optHeaderEntries->count = 4;
   optHeaderEntries->optHeaderEntry = calloc(5, sizeof(struct optHeaderEntry));
 
   // First optional header (basefile format)
@@ -61,13 +61,13 @@ void setOptHeaders(struct secInfoHeader *secInfoHeader, struct peData *peData, s
   optHeaderEntries->optHeaderEntry[1].dataOrOffset = secInfoHeader->baseAddr + peData->entryPoint;
 
   // Third optional header (import libs)
-  optHeaderEntries->optHeaderEntry[2].id = XEX_OPT_ID_IMPORT_LIBS;
+  //optHeaderEntries->optHeaderEntry[2].id = XEX_OPT_ID_IMPORT_LIBS;
 
   // Fourth optional header (tls info)
-  optHeaderEntries->optHeaderEntry[3].id = XEX_OPT_ID_TLS_INFO;
+  optHeaderEntries->optHeaderEntry[2].id = XEX_OPT_ID_TLS_INFO;
   setTLSInfo(&(optHeaders->tlsInfo));
 
   // Fifth optional header (system flags)
-  optHeaderEntries->optHeaderEntry[4].id = XEX_OPT_ID_SYS_FLAGS;
+  optHeaderEntries->optHeaderEntry[3].id = XEX_OPT_ID_SYS_FLAGS;
-  setSysFlags(&(optHeaderEntries->optHeaderEntry[4].dataOrOffset));
+  setSysFlags(&(optHeaderEntries->optHeaderEntry[3].dataOrOffset));
 }

src/setdata/populateheaders.c

@@ -23,10 +23,10 @@ void setXEXHeader(struct xexHeader *xexHeader)
   // Writing data into XEX header.
   strcpy(xexHeader->magic, "XEX2"); // Magic
   xexHeader->moduleFlags = XEX_MOD_FLAG_TITLE; // Hard-coding until more options supported
-  xexHeader->optHeaderCount = 0x5; // Hard-coding until more optional headers supported, then maybe it can be determined dynamically.
+  xexHeader->optHeaderCount = 0x4; // Hard-coding until more optional headers supported, then maybe it can be determined dynamically.
 }
 
-void setSecInfoHeader(struct secInfoHeader *secInfoHeader, struct peData *peData, uint32_t TEMPEXPORTADDR)
+void setSecInfoHeader(struct secInfoHeader *secInfoHeader, struct peData *peData)
 {
   // Getting page size, if base address is >= 0x90000000 4KiB pages are used, else 64KiB.
   bool smallPages = peData->baseAddr < 0x90000000 ? false : true;
@@ -43,7 +43,8 @@ void setSecInfoHeader(struct secInfoHeader *secInfoHeader, struct peData *peData
   secInfoHeader->baseAddr = peData->baseAddr;
   memset(secInfoHeader->mediaID, 0, sizeof(secInfoHeader->mediaID)); // Null media ID
   memset(secInfoHeader->aesKey, 0, sizeof(secInfoHeader->aesKey)); // No encryption, null AES key
-  secInfoHeader->exportTableAddr = TEMPEXPORTADDR;
+  //secInfoHeader->exportTableAddr = TEMPEXPORTADDR;
+  secInfoHeader->exportTableAddr = 0;
   secInfoHeader->gameRegion = XEX_REG_FLAG_REGION_FREE;
   secInfoHeader->mediaTypes = 0xFFFFFFFF; // All flags set, can load from any type.
   secInfoHeader->pageDescCount = secInfoHeader->peSize / ((smallPages ? 4 : 64) * 1024); // Number of page descriptors following security info (same number of pages)

src/setdata/populateheaders.h

@@ -22,4 +22,4 @@
 #include "../common/datastorage.h"
 
 void setXEXHeader(struct xexHeader *xexHeader);
-void setSecInfoHeader(struct secInfoHeader *secInfoHeader, struct peData *peData, uint32_t TEMPEXPORTADDR);
+void setSecInfoHeader(struct secInfoHeader *secInfoHeader, struct peData *peData);