├── .gitattributes ├── .gitignore ├── LICENSE ├── Makefile ├── Others └── SymbolCheck.c ├── PDBDownloader.sln ├── PDBDownloader.vcxproj ├── README.md ├── build.bat └── src ├── FileDownloader.c ├── FileDownloader.h ├── Makefile ├── PDBDownload.c ├── PEHeaderReader.c └── PEHeaderReader.h /.gitattributes: -------------------------------------------------------------------------------- 1 | ############################################################################### 2 | # Set default behavior to automatically normalize line endings. 3 | ############################################################################### 4 | * text=auto 5 | 6 | ############################################################################### 7 | # Set default behavior for command prompt diff. 8 | # 9 | # This is need for earlier builds of msysgit that does not have it on by 10 | # default for csharp files. 11 | # Note: This is only used by command line 12 | ############################################################################### 13 | #*.cs diff=csharp 14 | 15 | ############################################################################### 16 | # Set the merge driver for project and solution files 17 | # 18 | # Merging from the command prompt will add diff markers to the files if there 19 | # are conflicts (Merging from VS is not affected by the settings below, in VS 20 | # the diff markers are never inserted). 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | #Root Makefile for PDBDownloader project 2 | 3 | exe: 4 | cd src ; $(MAKE) 5 | 6 | clean: 7 | cd src; $(MAKE) clean 8 | -------------------------------------------------------------------------------- /Others/SymbolCheck.c: -------------------------------------------------------------------------------- 1 | //Requires Windows Driver Kit 2 | //Place DbgHlp.DLL and SymSrv.DLL in same folder 3 | 4 | #include 5 | #include 6 | #include 7 | 8 | #ifdef _MSC_VER 9 | #pragma comment(lib, "Dbghelp.lib") 10 | #endif //_MSC_VER 11 | 12 | #define USED_SYMOPT ( SYMOPT_DEBUG \ 13 | | SYMOPT_ALLOW_ZERO_ADDRESS \ 14 | | SYMOPT_LOAD_ANYTHING \ 15 | | SYMOPT_DEFERRED_LOADS \ 16 | | SYMOPT_CASE_INSENSITIVE \ 17 | ) 18 | 19 | //From SymbolCheck.DLL 20 | ULONG SymbolCheckNoisy( 21 | HANDLE hProcess, 22 | ULONG ActionCode, 23 | ULONG64 CallbackData, 24 | ULONG64 UserContext 25 | ) { 26 | if (ActionCode == CBA_DEBUG_INFO) 27 | fprintf(stderr, "%s", CallbackData); 28 | return 0; 29 | } 30 | 31 | int SymbolCheckByFilenameEx( 32 | char* FilePath 33 | ) { 34 | int res; 35 | DWORD64 dwAddr; 36 | IMAGEHLP_MODULE ImageHelpModule = { 0 }; 37 | PCSTR UserSearchPath = "SRV*https://msdl.microsoft.com/download/symbols"; 38 | 39 | HANDLE hProcess = GetCurrentProcess(); 40 | res = SymInitialize(hProcess, UserSearchPath, FALSE); 41 | res = SymSetOptions(USED_SYMOPT); 42 | res = SymRegisterCallback(hProcess, (PSYMBOL_REGISTERED_CALLBACK)SymbolCheckNoisy, 0); 43 | res = SymSetSearchPath(hProcess, UserSearchPath); 44 | 45 | dwAddr = SymLoadModule(hProcess, 0, FilePath, 0, 0, 0); 46 | res = SymGetModuleInfo(hProcess, dwAddr, &ImageHelpModule); 47 | //Do whatever with ImageHelpModule 48 | 49 | res = SymUnloadModule(hProcess, ImageHelpModule.BaseOfImage); 50 | SymCleanup(hProcess); 51 | return res; 52 | } 53 | 54 | int main(int argc, char* argv[]) { 55 | 56 | if (argc < 2) { 57 | printf( 58 | "Enter vaild PE path\n" 59 | "Require DbgHlp.DLL and SymSrv.DLL files\n" 60 | ); 61 | } 62 | 63 | SymbolCheckByFilenameEx(argv[1]); 64 | } 65 | -------------------------------------------------------------------------------- /PDBDownloader.sln: -------------------------------------------------------------------------------- 1 | 2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.29009.5 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PDBDownloader", "PDBDownloader.vcxproj", "{97392E13-8ED6-491C-9B3B-1B1012AF3017}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|x64 = Debug|x64 11 | EndGlobalSection 12 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 13 | {97392E13-8ED6-491C-9B3B-1B1012AF3017}.Debug|x64.ActiveCfg = Debug|x64 14 | {97392E13-8ED6-491C-9B3B-1B1012AF3017}.Debug|x64.Build.0 = Debug|x64 15 | EndGlobalSection 16 | GlobalSection(SolutionProperties) = preSolution 17 | HideSolutionNode = FALSE 18 | EndGlobalSection 19 | GlobalSection(ExtensibilityGlobals) = postSolution 20 | SolutionGuid = {F97E82D0-CE6C-495D-BDC9-083E87ADD16E} 21 | EndGlobalSection 22 | EndGlobal 23 | -------------------------------------------------------------------------------- /PDBDownloader.vcxproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | Debug 6 | x64 7 | 8 | 9 | 10 | 16.0 11 | {97392E13-8ED6-491C-9B3B-1B1012AF3017} 12 | PDBDownloader 13 | 10.0 14 | 15 | 16 | 17 | Application 18 | true 19 | v142 20 | MultiByte 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | $(SolutionDir)bin\ 33 | $(SolutionDir)bin\ 34 | 35 | 36 | 37 | Level4 38 | Disabled 39 | _CRT_SECURE_NO_WARNINGS 40 | 41 | 42 | Console 43 | wininet.lib 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # PDBDownloader 2 | 3 | Download PDB Symbol files for Debugging directly from MSDL Server without Windows Driver Kit and Symbol Checker. 4 | 5 | ## Features 6 | 7 | * This is a standalone program and can be used from external drives. 8 | * Works with both 32bit and 64bit programs. 9 | * Just drag and drop a valid PE file onto the PDBDownloader executable. 10 | * Does not require whole Windows Driver Kit. 11 | * Does not require any administrator privilege. 12 | 13 | ## Acknowledgment 14 | 15 | The PE header reader algorithm is taken from [rajkumar-rangaraj/PDB-Downloader][1] repository. Also these articles & links: 16 | 17 | * [Peering Inside the PE: A Tour of the Win32 Portable Executable File Format][2] 18 | * [PE Format][3] 19 | * [Wine Source winnt.h][4] 20 | 21 | ## License 22 | 23 | This project is licensed under GNU Public License v3 or higher. 24 | 25 | ``` 26 | This program is free software: you can redistribute it and/or modify 27 | it under the terms of the GNU General Public License as published by 28 | the Free Software Foundation, either version 3 of the License, or 29 | (at your option) any later version. 30 | 31 | This program is distributed in the hope that it will be useful, 32 | but WITHOUT ANY WARRANTY; without even the implied warranty of 33 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 34 | GNU General Public License for more details. 35 | 36 | You should have received a copy of the GNU General Public License 37 | along with this program. If not, see . 38 | ``` 39 | 40 | 41 | 42 | [1]: https://github.com/rajkumar-rangaraj/PDB-Downloader 43 | [2]: https://msdn.microsoft.com/en-US/library/ms809762.aspx 44 | [3]: https://docs.microsoft.com/en-us/windows/desktop/Debug/pe-format 45 | [4]: https://source.winehq.org/source/include/winnt.h 46 | 47 | -------------------------------------------------------------------------------- /build.bat: -------------------------------------------------------------------------------- 1 | @echo off 2 | ::Set Environments for X86_64 build 3 | cd %~dp0 4 | call "%ProgramFiles(x86)%\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" x64 5 | where cl.exe link.exe 6 | 7 | ::Set Environment Variables 8 | set NAME=PDBDownloader.exe 9 | set BINDIR=bin 10 | set SRCDIR=src 11 | set CFLAGS=/c /nologo /Os /MD /W4 /Fo%BINDIR%\\ 12 | set LFLAGS=/nologo /MACHINE:X64 13 | set LIBS=winInet.lib 14 | 15 | ::Disable warnings 16 | set CCOPT=/D _CRT_SECURE_NO_WARNINGS 17 | 18 | ::Build 19 | rd /s /q %BINDIR% 20 | mkdir %BINDIR% 21 | cl.exe %CFLAGS% %CCOPT% %SRCDIR%\*.c 22 | link.exe %LFLAGS% %LIBS% %BINDIR%\*.obj /OUT:%BINDIR%\%NAME% 23 | 24 | dir /B %BINDIR%\*.exe 25 | pause 26 | exit /b 27 | 28 | ::END# -------------------------------------------------------------------------------- /src/FileDownloader.c: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | 5 | void FileDownloader( 6 | char* PdbName, 7 | char* url) 8 | { 9 | DWORD BytesRead, FileSize, Download, i = 0, BuffLen = sizeof(int); 10 | DWORD Flags = INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_NO_UI | INTERNET_FLAG_PRAGMA_NOCACHE; 11 | 12 | HANDLE hOpen = InternetOpen("", INTERNET_OPEN_TYPE_PRECONFIG, 0, 0, 0); 13 | HANDLE hUrl = InternetOpenUrl(hOpen, url, 0, 0, Flags, 0); 14 | 15 | BOOL IsValidUrl = HttpQueryInfo(hUrl, HTTP_QUERY_FLAG_NUMBER | HTTP_QUERY_CONTENT_LENGTH, &FileSize, &BuffLen, 0); 16 | 17 | if (IsValidUrl && FileSize) { 18 | printf("Total file size: %ld KB\n", FileSize / 1024); 19 | } 20 | else { 21 | printf("HttpQueryInfo Error: %ld\n", (GetLastError() & 0xFFFF)); 22 | exit(1); 23 | } 24 | 25 | FILE* File = fopen(PdbName, "wb"); 26 | 27 | char Buffer[USHRT_MAX]; 28 | 29 | while (InternetReadFile(hUrl, Buffer, USHRT_MAX, &BytesRead)) { 30 | 31 | if (BytesRead) { 32 | Download = BytesRead + i; 33 | printf("Downloading: %ld%%\r", (100 * Download / FileSize)); 34 | fwrite(Buffer, sizeof(char), BytesRead, File); 35 | i = Download; 36 | } 37 | else { 38 | printf("\n"); 39 | break; 40 | } 41 | } 42 | 43 | fclose(File); 44 | InternetCloseHandle(hUrl); 45 | InternetCloseHandle(hOpen); 46 | } 47 | -------------------------------------------------------------------------------- /src/FileDownloader.h: -------------------------------------------------------------------------------- 1 | #ifndef FILEDOWNLOADER_H 2 | #define FILEDOWNLOADER_H 3 | 4 | void FileDownloader( 5 | char* PdbName, 6 | char* url); 7 | 8 | #endif // FILEDOWNLOADER_H 9 | -------------------------------------------------------------------------------- /src/Makefile: -------------------------------------------------------------------------------- 1 | # Makefile for PDBDownloader project 2 | 3 | NAME := PDBDownloader 4 | BINDIR = ../bin 5 | CFLAGS := -Os -std=c99 -m64 -Wall -Wextra 6 | LIBS := -lWinInet 7 | SOURCES := $(wildcard *.c) 8 | OBJECTS := $(SOURCES:.c=.obj) 9 | BINS := $(patsubst %.obj,$(BINDIR)/%.obj,$(OBJECTS)) 10 | 11 | EXECUTABLE=$(BINDIR)/$(NAME) 12 | 13 | all: $(BINDIR) $(EXECUTABLE) 14 | 15 | $(EXECUTABLE): $(BINS) 16 | $(CC) $(CFLAGS) $^ $(LIBS) -o $@ 17 | 18 | $(BINS): $(BINDIR)/%.obj: %.c 19 | $(CC) -c $(CFLAGS) $< -o $(BINDIR)/$*.obj 20 | 21 | $(BINDIR): 22 | @mkdir ..\bin 23 | 24 | clean: 25 | rm -rf $(BINDIR) 26 | 27 | #END 28 | -------------------------------------------------------------------------------- /src/PDBDownload.c: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include "FileDownloader.h" 4 | #include "PEHeaderReader.h" 5 | 6 | int main(int argc, char* argv[]) 7 | { 8 | if (argc < 2) { 9 | printf( 10 | "No path supplied\n" 11 | "Usage: PDBDownloader.exe \n" 12 | ); 13 | exit(1); 14 | } 15 | 16 | char* pdbName = 0; 17 | char url[UCHAR_MAX] = { 0 }; 18 | 19 | PEHeaderReader(argv[1], url); 20 | if (*url) { 21 | printf("PDB Download URL: %s\n", url); 22 | pdbName = strrchr(url, '/'); 23 | ++pdbName; 24 | FileDownloader(pdbName, url); 25 | } 26 | else { 27 | printf("URL not found\n"); 28 | exit(1); 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /src/PEHeaderReader.c: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | #include /*All the structs and definitions*/ 5 | 6 | typedef struct _IMAGE_DEBUG_DIRECTORY_RAW { 7 | uint8_t format[4]; 8 | uint8_t PdbSignature[16]; 9 | uint32_t PdbDbiAge; 10 | uint8_t ImageName[256]; 11 | } IMAGE_DEBUG_DIRECTORY_RAW, *PIMAGE_DEBUG_DIRECTORY_RAW; 12 | 13 | void PEHeaderReader( 14 | char* PEFileName, 15 | char* url) 16 | { 17 | FILE* File = fopen(PEFileName, "rb"); 18 | 19 | IMAGE_DOS_HEADER DosHeader; 20 | fread(&DosHeader, sizeof(IMAGE_DOS_HEADER), 1, File); 21 | fseek(File, DosHeader.e_lfanew, SEEK_SET); 22 | 23 | // Add 4 bytes to the offset 24 | uint32_t NtHeadersSignature; 25 | fread(&NtHeadersSignature, 4, 1, File); 26 | 27 | IMAGE_FILE_HEADER FileHeader; 28 | fread(&FileHeader, sizeof(IMAGE_FILE_HEADER), 1, File); 29 | 30 | uint32_t is32BitHeader = FileHeader.Machine == IMAGE_FILE_MACHINE_I386; 31 | 32 | IMAGE_OPTIONAL_HEADER32 OptionalHeader32 = { 0 }; 33 | IMAGE_OPTIONAL_HEADER64 OptionalHeader64 = { 0 }; 34 | 35 | if (is32BitHeader) 36 | fread(&OptionalHeader32, sizeof(IMAGE_OPTIONAL_HEADER32), 1, File); 37 | else 38 | fread(&OptionalHeader64, sizeof(IMAGE_OPTIONAL_HEADER64), 1, File); 39 | 40 | uint32_t offDebug = 0; 41 | uint32_t cbFromHeader = 0; 42 | 43 | uint32_t cbDebug = is32BitHeader ? 44 | OptionalHeader32.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].Size : OptionalHeader64.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].Size; 45 | 46 | for (int HeaderNo = 0; HeaderNo < FileHeader.NumberOfSections; ++HeaderNo) { 47 | IMAGE_SECTION_HEADER SectionHeader; 48 | fread(&SectionHeader, sizeof(IMAGE_SECTION_HEADER), 1, File); 49 | 50 | if ((SectionHeader.PointerToRawData != 0) && (SectionHeader.SizeOfRawData != 0) && 51 | (cbFromHeader < (SectionHeader.PointerToRawData + SectionHeader.SizeOfRawData))) { 52 | cbFromHeader = SectionHeader.PointerToRawData + SectionHeader.SizeOfRawData; 53 | } 54 | 55 | if (cbDebug != 0) { 56 | if (is32BitHeader) { 57 | if (SectionHeader.VirtualAddress <= OptionalHeader32.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress && 58 | ((SectionHeader.VirtualAddress + SectionHeader.SizeOfRawData) > OptionalHeader32.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress)) { 59 | offDebug = OptionalHeader32.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress - SectionHeader.VirtualAddress + SectionHeader.PointerToRawData; 60 | } 61 | } 62 | 63 | else { 64 | if (SectionHeader.VirtualAddress <= OptionalHeader64.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress && 65 | ((SectionHeader.VirtualAddress + SectionHeader.SizeOfRawData) > OptionalHeader64.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress)) { 66 | offDebug = OptionalHeader64.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress - SectionHeader.VirtualAddress + SectionHeader.PointerToRawData; 67 | } 68 | } 69 | } 70 | } 71 | 72 | fseek(File, offDebug, SEEK_SET); 73 | 74 | uint8_t loopexit = FALSE; 75 | 76 | IMAGE_DEBUG_DIRECTORY_RAW DebugRaw; 77 | while (cbDebug >= sizeof(IMAGE_DEBUG_DIRECTORY)) { 78 | 79 | if (loopexit == FALSE) { 80 | 81 | IMAGE_DEBUG_DIRECTORY DebugDirectory; 82 | 83 | fread(&DebugDirectory, sizeof(IMAGE_DEBUG_DIRECTORY), 1, File); 84 | 85 | uint32_t seekPosition = ftell(File); 86 | 87 | if (DebugDirectory.Type == IMAGE_DEBUG_TYPE_CODEVIEW) { 88 | fseek(File, DebugDirectory.PointerToRawData, SEEK_SET); 89 | fread(&DebugRaw, sizeof(IMAGE_DEBUG_DIRECTORY_RAW), 1, File); 90 | loopexit = TRUE; 91 | 92 | // Downloading logic for .NET native images 93 | if (strstr((char*)DebugRaw.ImageName, ".ni.") != 0) { 94 | fseek(File, seekPosition, SEEK_SET); 95 | loopexit = FALSE; 96 | } 97 | } 98 | 99 | if ((DebugDirectory.PointerToRawData != 0) && (DebugDirectory.SizeOfData != 0) && 100 | (cbFromHeader < (DebugDirectory.PointerToRawData + DebugDirectory.SizeOfData))) { 101 | cbFromHeader = DebugDirectory.PointerToRawData + DebugDirectory.SizeOfData; 102 | } 103 | } 104 | 105 | cbDebug -= sizeof(IMAGE_DEBUG_DIRECTORY); 106 | } 107 | 108 | fclose(File); 109 | 110 | if (loopexit) { 111 | 112 | const char MsServer[] = "http://msdl.microsoft.com/download/symbols"; 113 | 114 | sprintf( 115 | url, "%s/%s/%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%.2X%d/%s", 116 | MsServer, 117 | DebugRaw.ImageName, 118 | DebugRaw.PdbSignature[3], DebugRaw.PdbSignature[2], DebugRaw.PdbSignature[1], DebugRaw.PdbSignature[0], 119 | DebugRaw.PdbSignature[5], DebugRaw.PdbSignature[4], 120 | DebugRaw.PdbSignature[7], DebugRaw.PdbSignature[6], 121 | DebugRaw.PdbSignature[8], DebugRaw.PdbSignature[9], 122 | DebugRaw.PdbSignature[10], DebugRaw.PdbSignature[11], DebugRaw.PdbSignature[12], 123 | DebugRaw.PdbSignature[13], DebugRaw.PdbSignature[14], DebugRaw.PdbSignature[15], 124 | DebugRaw.PdbDbiAge, 125 | DebugRaw.ImageName 126 | ); 127 | } 128 | else { 129 | printf("PEHeaderReader Error: Invalid PE\n"); 130 | } 131 | } 132 | -------------------------------------------------------------------------------- /src/PEHeaderReader.h: -------------------------------------------------------------------------------- 1 | #ifndef PEHEADERREADER_H 2 | #define PEHEADERREADER_H 3 | 4 | void PEHeaderReader( 5 | char* PEFileName, 6 | char* url); 7 | 8 | #endif // PEHEADERREADER_H 9 | --------------------------------------------------------------------------------