使用SymSrvGetFileIndexInfo函数获取到可执行文件对应PDB文件的GUID
然后使用HTTPS协议发送GET请求到微软符号服务器下载PDB文件
下载速度慢的话可以复制PDB文件的下载链接到迅雷中下载
详细代码如下:
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BOOL DownloadPdbFile(const char *szModuleFileName, const char *szDownloadDir)
{
HINTERNET hInternet;
HINTERNET hConnect;
HINTERNET hRequest;
char buf[512];
char szGuid[128];
SYMSRV_INDEX_INFO info;
BOOL bReturn = FALSE;
ZeroMemory(&info, sizeof(info));
info.sizeofstruct = sizeof(info);
//////////////////////////////////////////////////////
// 查询模块文件的GUID信息;
if (!SymSrvGetFileIndexInfo(szModuleFileName, &info, 0))
{
printf("error : SymSrvGetFileIndexInfo:[%d]", GetLastError());
return FALSE;
}
//////////////////////////////////////////////////////
// GUID转换为文本;
sprintf_s(szGuid, sizeof szGuid,
"%08X%04X%04X%02X%02X%02X%02X%02X%02X%02X%02X%X",
info.guid.Data1,
info.guid.Data2,
info.guid.Data3,
info.guid.Data4[0],
info.guid.Data4[1],
info.guid.Data4[2],
info.guid.Data4[3],
info.guid.Data4[4],
info.guid.Data4[5],
info.guid.Data4[6],
info.guid.Data4[7],
info.age);
printf(
"下载链接:https://msdl.microsoft.com/download/symbols/%s/%s/%s\n",
info.pdbfile,
szGuid,
info.pdbfile);
printf("下载目录:%s\n", szDownloadDir);
system("pause");
hInternet = InternetOpenW(L"Microsoft-Symbol-Server/10.1710.0.0", 0, 0, 0, 0);
if (hInternet)
{
hConnect = InternetConnectW(
hInternet,
L"msdl.microsoft.com",
INTERNET_DEFAULT_HTTPS_PORT,
NULL,
NULL,
INTERNET_SERVICE_HTTP,
0,
NULL);
if (hConnect)
{
/////////////////////////////////////////////////
// 页面地址;
sprintf_s(
buf,
sizeof buf,
"/download/symbols/%s/%s/%s",
info.pdbfile,
szGuid,
info.pdbfile);
hRequest = HttpOpenRequestA(
hConnect,
"GET",
buf,
"HTTP/1.0",
NULL,
NULL,
INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_SECURE | INTERNET_FLAG_KEEP_CONNECTION,
NULL);
if (hRequest)
{
DWORD dwFlags = 0;
DWORD dwLen = sizeof(dwFlags);
InternetQueryOption(
hRequest,
INTERNET_OPTION_SECURITY_FLAGS,
(LPVOID)&dwFlags,
&dwLen);
dwFlags |=
SECURITY_FLAG_IGNORE_UNKNOWN_CA;
dwFlags |=
SECURITY_FLAG_IGNORE_CERT_DATE_INVALID;
dwFlags |=
SECURITY_FLAG_IGNORE_CERT_CN_INVALID;
InternetSetOption(
hRequest,
INTERNET_OPTION_SECURITY_FLAGS,
&dwFlags,
sizeof dwFlags);
printf("发送GET请求...\n");
if (HttpSendRequestW(hRequest, NULL, 0, NULL, 0))
{
DWORD dwStatus = 0;
DWORD dwIndex = 0;
dwLen = sizeof(dwStatus);
////////////////////////////////////////
//获取页面返回状态;
if (HttpQueryInfoW(
hRequest,
HTTP_QUERY_FLAG_NUMBER | HTTP_QUERY_STATUS_CODE,
&dwStatus,
&dwLen,
&dwIndex) && dwStatus == HTTP_STATUS_OK)
{
DWORD dwFileSize = 0;
dwLen = sizeof(dwFileSize);
dwIndex = 0;
/////////////////////////////////////
//获取PDB文件大小;
if (HttpQueryInfoW(
hRequest,
HTTP_QUERY_CONTENT_LENGTH | HTTP_QUERY_FLAG_NUMBER,
&dwFileSize,
&dwLen,
&dwIndex) && dwFileSize)
{
printf("文件总大小:%dKB", dwFileSize / 1024);
////////////////////////////////
//申请缓冲区;
LPVOID lpBuffer;
lpBuffer = VirtualAlloc(NULL, dwFileSize, MEM_COMMIT, PAGE_READWRITE);
if (lpBuffer)
{
/////////////////////////////
//为PDB文件创建目录;
CreateDirectoryA(szDownloadDir, NULL);
//下载目录//PDB文件名;
sprintf_s(
buf,
sizeof buf,
"%s\\%s",
szDownloadDir,
info.pdbfile);
CreateDirectoryA(buf, NULL);
//下载目录//PDB文件名//GUID;
sprintf_s(
buf,
sizeof buf,
"%s\\%s\\%s",
szDownloadDir,
info.pdbfile, szGuid);
CreateDirectoryA(buf, NULL);
//创建一个空白的PDB文件用于写入接收到的数据;
HANDLE hFile;
sprintf_s(
buf,
sizeof buf,
"%s\\%s\\%s\\%s",
szDownloadDir,
info.pdbfile,
szGuid,
info.pdbfile);
hFile = CreateFileA(
buf,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (hFile != INVALID_HANDLE_VALUE)
{
DWORD dwRecvSize = 0;
//循环获取可接收的数据大小,直到接收完成;
while (
(InternetQueryDataAvailable(hRequest, &dwLen, 0, 0)) &&
dwLen &&
(dwRecvSize + dwLen) <= dwFileSize)
{
bReturn = TRUE;
//读取数据;
if (InternetReadFile(hRequest, (char*)lpBuffer + dwRecvSize, dwLen, &dwLen))
{
dwRecvSize += dwLen;
printf(
"下载文件:%dKB/%dKB : %d%s\r\n",
dwRecvSize / 1024,
dwFileSize / 1024,
(DWORD)((double)dwRecvSize / (double)dwFileSize * 100.0),
"%");
}
else
{
bReturn = FALSE;
printf("error : InternetReadFile:[%d]", GetLastError());
break;
}
}
if (bReturn)
{
bReturn = WriteFile(hFile, lpBuffer, dwRecvSize, &dwRecvSize, NULL);
if (bReturn)
{
printf("下载完成!\n");
}
else
{
printf("error : WriteFile:[%d]", GetLastError());
}
}
CloseHandle(hFile);
}else printf("error : CreateFileA:[%d]", GetLastError());
VirtualFree(lpBuffer, 0, MEM_RELEASE);
} else printf("error : VirtualAlloc:[%d]", GetLastError());
} else printf("error : HttpQueryInfoW.GetFileSize:[%d]", GetLastError());
}else printf("error : HttpQueryInfoW.GetStatus:[%d]", GetLastError());
} else printf("error : HttpSendRequestW:[%d]", GetLastError());
InternetCloseHandle(hConnect);
} else printf("error : HttpOpenRequestA:[%d]", GetLastError());
InternetCloseHandle(hConnect);
} else printf("error : InternetConnectW:[%d]", GetLastError());
InternetCloseHandle(hInternet);
} else printf("error : InternetOpenW:[%d]", GetLastError());
return bReturn;
}
int main()
{
DownloadPdbFile("C:\\Windows\\System\\win32k.sys", "C:\\Symbols");
return 0;
}
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