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#include "packages.h"
#include "common/processing.h"
#include "common/strutil.h"
#include "common/path.h"
#include "common/windows/unicode.h"
#include "common/mallocHelper.h"
#include "common/io.h"
#include <stdalign.h>
#include <windows.h>
#include "common/windows/nt.h"
#include <ntstatus.h>
#include <shlobj.h>
static uint32_t getNumElements(const char* searchPath, DWORD type, const wchar_t* ignore) {
FF_AUTO_CLOSE_FD HANDLE dfd = CreateFileA(searchPath, FILE_LIST_DIRECTORY | SYNCHRONIZE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (dfd == INVALID_HANDLE_VALUE) {
return 0;
}
bool flag = ignore == NULL;
uint32_t counter = 0;
alignas(8) uint8_t buffer[64 * 1024];
BOOLEAN firstScan = TRUE;
size_t ignoreLen = ignore ? wcslen(ignore) : 0;
while (true) {
IO_STATUS_BLOCK ioStatus = {};
NTSTATUS status = NtQueryDirectoryFile(
dfd,
NULL,
NULL,
NULL,
&ioStatus,
buffer,
ARRAY_SIZE(buffer),
FileDirectoryInformation,
FALSE,
NULL,
firstScan);
firstScan = FALSE;
if (!NT_SUCCESS(status) && status != STATUS_BUFFER_OVERFLOW) {
break;
}
for (FILE_DIRECTORY_INFORMATION* entry = (FILE_DIRECTORY_INFORMATION*) buffer;
;
entry = (FILE_DIRECTORY_INFORMATION*) ((uint8_t*) entry + entry->NextEntryOffset)) {
if (!(entry->FileAttributes & type)) {
continue;
}
if (!flag &&
ignoreLen == entry->FileNameLength / sizeof(*entry->FileName) &&
_wcsnicmp(entry->FileName, ignore, ignoreLen) == 0) {
flag = true;
continue;
}
counter++;
if (entry->NextEntryOffset == 0) {
break;
}
}
if (status == STATUS_SUCCESS) {
break; // No next page
}
}
if (type == FILE_ATTRIBUTE_DIRECTORY && counter >= 2) {
counter -= 2; // accounting for . and ..
}
return counter;
}
static inline void wrapYyjsonFree(yyjson_doc** doc) {
assert(doc);
if (*doc) {
yyjson_doc_free(*doc);
}
}
static void detectScoop(FFPackagesResult* result) {
FF_STRBUF_AUTO_DESTROY scoopPath = ffStrbufCreateA(MAX_PATH + 3);
ffStrbufAppend(&scoopPath, &instance.state.platform.homeDir);
ffStrbufAppendS(&scoopPath, ".config/scoop/config.json");
yyjson_val* root = NULL;
yyjson_doc* FF_A_CLEANUP(wrapYyjsonFree) doc = yyjson_read_file(scoopPath.chars, 0, NULL, NULL);
if (doc) {
root = yyjson_doc_get_root(doc);
if (!yyjson_is_obj(root)) {
root = NULL;
}
}
{
ffStrbufClear(&scoopPath);
if (root) {
ffStrbufSetJsonVal(&scoopPath, yyjson_obj_get(root, "root_path"));
}
if (scoopPath.length == 0) {
ffStrbufSet(&scoopPath, &instance.state.platform.homeDir);
ffStrbufAppendS(&scoopPath, "/scoop");
}
ffStrbufAppendS(&scoopPath, "/apps/");
result->scoopUser = getNumElements(scoopPath.chars, FILE_ATTRIBUTE_DIRECTORY, L"scoop");
}
{
ffStrbufClear(&scoopPath);
if (root) {
ffStrbufSetJsonVal(&scoopPath, yyjson_obj_get(root, "global_path"));
}
if (scoopPath.length == 0) {
PWSTR pPath = NULL;
if (SUCCEEDED(SHGetKnownFolderPath(&FOLDERID_ProgramData, KF_FLAG_DEFAULT, NULL, &pPath))) {
ffStrbufSetWS(&scoopPath, pPath);
CoTaskMemFree(pPath);
}
ffStrbufAppendS(&scoopPath, "/scoop");
}
ffStrbufAppendS(&scoopPath, "/apps/");
result->scoopGlobal = getNumElements(scoopPath.chars, FILE_ATTRIBUTE_DIRECTORY, L"scoop");
}
}
static void detectChoco(FF_A_UNUSED FFPackagesResult* result) {
const char* chocoInstall = getenv("ChocolateyInstall");
if (!chocoInstall || chocoInstall[0] == '\0') {
return;
}
char chocoPath[MAX_PATH + 3];
char* pend = ffStrCopy(chocoPath, chocoInstall, ARRAY_SIZE(chocoPath));
ffStrCopy(pend, "/lib/", ARRAY_SIZE(chocoPath) - (size_t) (pend - chocoPath));
result->choco = getNumElements(chocoPath, FILE_ATTRIBUTE_DIRECTORY, L"choco");
}
static void detectPacman(FFPackagesResult* result) {
const char* msystemPrefix = getenv("MSYSTEM_PREFIX");
if (!msystemPrefix) {
return;
}
// MSYS2
char pacmanPath[MAX_PATH + 3];
char* pend = ffStrCopy(pacmanPath, msystemPrefix, ARRAY_SIZE(pacmanPath));
ffStrCopy(pend, "/../var/lib/pacman/local/", ARRAY_SIZE(pacmanPath) - (size_t) (pend - pacmanPath));
result->pacman = getNumElements(pacmanPath, FILE_ATTRIBUTE_DIRECTORY, NULL);
}
static void detectWinget(FFPackagesResult* result) {
FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
if (ffProcessAppendStdOut(&buffer, (char*[]) {
"winget.exe",
"list",
"--disable-interactivity",
NULL,
})) {
return;
}
uint32_t index = ffStrbufFirstIndexS(&buffer, "--\r\n"); // Ignore garbage and table headers
if (index == buffer.length) {
return;
}
uint32_t count = 0;
for (
index += strlen("--\r\n");
(index = ffStrbufNextIndexC(&buffer, index, '\n')) < buffer.length;
++index) {
++count;
}
if (buffer.chars[buffer.length - 1] != '\n') { // count last line
++count;
}
result->winget = count;
}
void ffDetectPackagesImpl(FFPackagesResult* result, FFPackagesOptions* options) {
if (FF_PACKAGES_IS_ENABLED(options, SCOOP)) {
detectScoop(result);
}
if (FF_PACKAGES_IS_ENABLED(options, CHOCO)) {
detectChoco(result);
}
if (FF_PACKAGES_IS_ENABLED(options, PACMAN)) {
detectPacman(result);
}
if (FF_PACKAGES_IS_ENABLED(options, WINGET)) {
detectWinget(result);
}
}
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