/
process.cpp
1977 lines (1872 loc) · 68.4 KB
/
process.cpp
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/*
MIT License
Copyright © 2021-2022 Samuel Venable
Copyright © 2021 Lars Nilsson
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <unordered_map>
#include <algorithm>
#include <iostream>
#include <sstream>
#include <thread>
#include <string>
#include <vector>
#include <mutex>
#include <cstdlib>
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <climits>
#include <cstdio>
#include "process.h"
#if defined(PROCESS_WIN32EXE_INCLUDES)
#if defined(_WIN64)
#include "process32.h"
#else
#include "process64.h"
#endif
#endif
#if !defined(_WIN32)
#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <fcntl.h>
#endif
#if defined(_WIN32)
#include <shlwapi.h>
#include <Objbase.h>
#include <tlhelp32.h>
#include <winternl.h>
#include <psapi.h>
#elif (defined(__APPLE__) && defined(__MACH__))
#include <sys/sysctl.h>
#include <sys/proc_info.h>
#include <libproc.h>
#elif (defined(__linux__) && !defined(__ANDROID__))
#include <proc/readproc.h>
#elif defined(__FreeBSD__)
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/user.h>
#include <libprocstat.h>
#include <libutil.h>
#define KINFO_PROC kinfo_proc
#elif defined(__DragonFly__) || defined(__OpenBSD__)
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <kvm.h>
#define KINFO_PROC kinfo_proc
#elif defined(__NetBSD__)
#include <sys/param.h>
#include <sys/sysctl.h>
#include <kvm.h>
#define KINFO_PROC kinfo_proc2
#endif
using ngs::proc::PROCID;
#if defined(PROCESS_GUIWINDOW_IMPL)
using ngs::proc::WINDOWID;
#endif
namespace {
#if !defined(_MSC_VER)
#pragma pack(push, 8)
#else
#include <pshpack8.h>
#endif
typedef struct {
char *executable_image_file_path;
char *current_working_directory;
PROCID parent_process_id;
PROCID *child_process_id;
int child_process_id_length;
char **commandline;
int commandline_length;
char **environment;
int environment_length;
#if defined(PROCESS_GUIWINDOW_IMPL)
WINDOWID *owned_window_id;
int owned_window_id_length;
#endif
} PROCINFO_STRUCT;
#if !defined(_MSC_VER)
#pragma pack(pop)
#else
#include <poppack.h>
#endif
void message_pump() {
#if defined(_WIN32)
MSG msg; while (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
#endif
}
std::vector<std::string> string_split_by_first_equals_sign(std::string str) {
std::size_t pos = 0;
std::vector<std::string> vec;
if ((pos = str.find_first_of("=")) != std::string::npos) {
vec.push_back(str.substr(0, pos));
vec.push_back(str.substr(pos + 1));
}
return vec;
}
#if defined(_WIN32)
enum MEMTYP {
MEMCMD,
MEMENV,
MEMCWD
};
#if !defined(_MSC_VER)
#pragma pack(push, 8)
#else
#include <pshpack8.h>
#endif
/* CURDIR struct from:
https://github.com/processhacker/phnt/
CC BY 4.0 licence */
#define CURDIR struct {\
UNICODE_STRING DosPath;\
HANDLE Handle;\
}
/* RTL_DRIVE_LETTER_CURDIR struct from:
https://github.com/processhacker/phnt/
CC BY 4.0 licence */
#define RTL_DRIVE_LETTER_CURDIR struct {\
USHORT Flags;\
USHORT Length;\
ULONG TimeStamp;\
STRING DosPath;\
}
/* RTL_USER_PROCESS_PARAMETERS struct from:
https://github.com/processhacker/phnt/
CC BY 4.0 licence */
#define RTL_USER_PROCESS_PARAMETERS struct {\
ULONG MaximumLength;\
ULONG Length;\
ULONG Flags;\
ULONG DebugFlags;\
HANDLE ConsoleHandle;\
ULONG ConsoleFlags;\
HANDLE StandardInput;\
HANDLE StandardOutput;\
HANDLE StandardError;\
CURDIR CurrentDirectory;\
UNICODE_STRING DllPath;\
UNICODE_STRING ImagePathName;\
UNICODE_STRING CommandLine;\
PVOID Environment;\
ULONG StartingX;\
ULONG StartingY;\
ULONG CountX;\
ULONG CountY;\
ULONG CountCharsX;\
ULONG CountCharsY;\
ULONG FillAttribute;\
ULONG WindowFlags;\
ULONG ShowWindowFlags;\
UNICODE_STRING WindowTitle;\
UNICODE_STRING DesktopInfo;\
UNICODE_STRING ShellInfo;\
UNICODE_STRING RuntimeData;\
RTL_DRIVE_LETTER_CURDIR CurrentDirectories[32];\
ULONG_PTR EnvironmentSize;\
ULONG_PTR EnvironmentVersion;\
PVOID PackageDependencyData;\
ULONG ProcessGroupId;\
ULONG LoaderThreads;\
UNICODE_STRING RedirectionDllName;\
UNICODE_STRING HeapPartitionName;\
ULONG_PTR DefaultThreadpoolCpuSetMasks;\
ULONG DefaultThreadpoolCpuSetMaskCount;\
}
#if !defined(_MSC_VER)
#pragma pack(pop)
#else
#include <poppack.h>
#endif
std::wstring widen(std::string str) {
std::size_t wchar_count = str.size() + 1; std::vector<wchar_t> buf(wchar_count);
return std::wstring { buf.data(), (std::size_t)MultiByteToWideChar(CP_UTF8, 0, str.c_str(), -1, buf.data(), (int)wchar_count) };
}
std::string narrow(std::wstring wstr) {
int nbytes = WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), (int)wstr.length(), nullptr, 0, nullptr, nullptr); std::vector<char> buf(nbytes);
return std::string { buf.data(), (std::size_t)WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), (int)wstr.length(), buf.data(), nbytes, nullptr, nullptr) };
}
std::string string_replace_all(std::string str, std::string substr, std::string nstr) {
std::size_t pos = 0; while ((pos = str.find(substr, pos)) != std::string::npos) {
message_pump(); str.replace(pos, substr.length(), nstr);
pos += nstr.length();
}
return str;
}
bool file_exists(std::string fname) {
DWORD attr; std::wstring wfname = widen(fname);
attr = GetFileAttributesW(wfname.c_str());
return (attr != INVALID_FILE_ATTRIBUTES &&
!(attr & FILE_ATTRIBUTE_DIRECTORY));
}
HANDLE open_process_with_debug_privilege(PROCID proc_id) {
HANDLE proc = nullptr; HANDLE hToken = nullptr; LUID luid = { 0 }; TOKEN_PRIVILEGES tkp = { 0 };
if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) {
if (LookupPrivilegeValue(nullptr, SE_DEBUG_NAME, &luid)) {
tkp.PrivilegeCount = 1; tkp.Privileges[0].Luid = luid;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (AdjustTokenPrivileges(hToken, false, &tkp, sizeof(tkp), nullptr, nullptr)) {
proc = OpenProcess(PROCESS_ALL_ACCESS, false, proc_id);
}
}
CloseHandle(hToken);
}
return proc;
}
BOOL is_x86_process(HANDLE proc) {
BOOL isWow = true;
SYSTEM_INFO systemInfo = { 0 };
GetNativeSystemInfo(&systemInfo);
if (systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL)
return isWow;
IsWow64Process(proc, &isWow);
return isWow;
}
void cwd_cmd_env_from_proc(HANDLE proc, wchar_t **buffer, int type) {
PEB peb = { 0 }; SIZE_T nRead = 0; ULONG len = 0;
PROCESS_BASIC_INFORMATION pbi = { 0 }; RTL_USER_PROCESS_PARAMETERS upp = { 0 };
typedef NTSTATUS (__stdcall *NTQIP)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG, PULONG);
NTQIP NtQueryInformationProcess = NTQIP(GetProcAddress(GetModuleHandleW(L"ntdll.dll"), "NtQueryInformationProcess"));
NTSTATUS status = NtQueryInformationProcess(proc, ProcessBasicInformation, &pbi, sizeof(pbi), &len);
if (status) return;
ReadProcessMemory(proc, pbi.PebBaseAddress, &peb, sizeof(peb), &nRead);
if (!nRead) return;
ReadProcessMemory(proc, peb.ProcessParameters, &upp, sizeof(upp), &nRead);
if (!nRead) return;
PVOID buf = nullptr; len = 0;
if (type == MEMCWD) {
buf = upp.CurrentDirectory.DosPath.Buffer;
len = upp.CurrentDirectory.DosPath.Length;
} else if (type == MEMENV) {
buf = upp.Environment;
len = (ULONG)upp.EnvironmentSize;
} else if (type == MEMCMD) {
buf = upp.CommandLine.Buffer;
len = upp.CommandLine.Length;
}
wchar_t *res = new wchar_t[len / 2 + 1];
ReadProcessMemory(proc, buf, res, len, &nRead);
if (!nRead) return; res[len / 2] = L'\0'; *buffer = res;
}
#endif
#if (defined(__APPLE__) && defined(__MACH__))
enum MEMTYP {
MEMCMD,
MEMENV
};
static std::vector<std::string> cmd_env_vec_1;
void cmd_env_from_proc_id(PROCID proc_id, char ***buffer, int *size, int type) {
*buffer = nullptr; *size = 0;
cmd_env_vec_1.clear(); int i = 0;
if (!ngs::proc::proc_id_exists(proc_id)) return;
int argmax = 0, nargs = 0; std::size_t s = 0;
char *procargs = nullptr, *sp = nullptr, *cp = nullptr;
int mib[3]; mib[0] = CTL_KERN; mib[1] = KERN_ARGMAX;
s = sizeof(argmax);
if (sysctl(mib, 2, &argmax, &s, nullptr, 0) == -1) {
return;
}
procargs = (char *)malloc(argmax);
if (procargs == nullptr) {
return;
}
mib[0] = CTL_KERN; mib[1] = KERN_PROCARGS2;
mib[2] = proc_id; s = argmax;
if (sysctl(mib, 3, procargs, &s, nullptr, 0) == -1) {
free(procargs); return;
}
memcpy(&nargs, procargs, sizeof(nargs));
cp = procargs + sizeof(nargs);
for (; cp < &procargs[s]; cp++) {
if (*cp == '\0') break;
}
if (cp == &procargs[s]) {
free(procargs); return;
}
for (; cp < &procargs[s]; cp++) {
if (*cp != '\0') break;
}
if (cp == &procargs[s]) {
free(procargs); return;
}
sp = cp; int j = 0;
while (*sp != '\0' && sp < &procargs[s]) {
if (type && j >= nargs) {
cmd_env_vec_1.push_back(sp); i++;
} else if (!type && j < nargs) {
cmd_env_vec_1.push_back(sp); i++;
}
sp += strlen(sp) + 1; j++;
}
if (procargs) free(procargs);
std::vector<char *> cmd_env_vec_2;
for (int j = 0; j < cmd_env_vec_1.size(); j++)
cmd_env_vec_2.push_back((char *)cmd_env_vec_1[j].c_str());
char **arr = new char *[cmd_env_vec_2.size()]();
std::copy(cmd_env_vec_2.begin(), cmd_env_vec_2.end(), arr);
*buffer = arr; *size = i;
}
#endif
#if defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
kvm_t *kd = nullptr;
#endif
} // anonymous namespace
namespace ngs::proc {
void proc_id_enumerate(PROCID **proc_id, int *size) {
*proc_id = nullptr; *size = 0;
std::vector<PROCID> vec; int i = 0;
#if defined(_WIN32)
HANDLE hp = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
PROCESSENTRY32 pe = { 0 };
pe.dwSize = sizeof(PROCESSENTRY32);
if (Process32First(hp, &pe)) {
do {
message_pump();
vec.push_back(pe.th32ProcessID); i++;
} while (Process32Next(hp, &pe));
}
CloseHandle(hp);
#elif (defined(__APPLE__) && defined(__MACH__))
if (proc_id_exists(0)) { vec.push_back(0); i++; }
int cntp = proc_listpids(PROC_ALL_PIDS, 0, nullptr, 0);
std::vector<PROCID> proc_info(cntp);
std::fill(proc_info.begin(), proc_info.end(), 0);
proc_listpids(PROC_ALL_PIDS, 0, &proc_info[0], sizeof(PROCID) * cntp);
for (int j = cntp - 1; j >= 0; j--) {
if (proc_info[j] == 0) { continue; }
vec.push_back(proc_info[j]); i++;
}
#elif (defined(__linux__) && !defined(__ANDROID__))
if (proc_id_exists(0)) { vec.push_back(0); i++; }
PROCTAB *proc = openproc(PROC_FILLMEM | PROC_FILLSTAT | PROC_FILLSTATUS);
while (proc_t *proc_info = readproc(proc, nullptr)) {
vec.push_back(proc_info->tgid); i++;
freeproc(proc_info);
}
closeproc(proc);
#elif defined(__FreeBSD__)
int cntp = 0; if (KINFO_PROC *proc_info = kinfo_getallproc(&cntp)) {
for (int j = 0; j < cntp; j++) {
vec.push_back(proc_info[j].ki_pid); i++;
}
free(proc_info);
}
#elif defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
char errbuf[_POSIX2_LINE_MAX];
KINFO_PROC *proc_info = nullptr; int cntp = 0;
#if defined(__DragonFly__)
const char *nlistf, *memf; nlistf = memf = "/dev/null";
kd = kvm_openfiles(nlistf, memf, nullptr, O_RDONLY, errbuf); if (!kd) return;
if ((proc_info = kvm_getprocs(kd, KERN_PROC_ALL, 0, &cntp))) {
for (int j = 0; j < cntp; j++) {
if (proc_info[j].kp_pid >= 0) {
vec.push_back(proc_info[j].kp_pid); i++;
}
}
#elif defined(__NetBSD__)
kd = kvm_openfiles(nullptr, nullptr, nullptr, KVM_NO_FILES, errbuf); if (!kd) return;
if ((proc_info = kvm_getproc2(kd, KERN_PROC_ALL, 0, sizeof(struct KINFO_PROC), &cntp))) {
for (int j = cntp - 1; j >= 0; j--) {
vec.push_back(proc_info[j].p_pid); i++;
}
#elif defined(__OpenBSD__)
if (proc_id_exists(0)) { vec.push_back(0); i++; }
kd = kvm_openfiles(nullptr, nullptr, nullptr, KVM_NO_FILES, errbuf); if (!kd) return;
if ((proc_info = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct KINFO_PROC), &cntp))) {
for (int j = cntp - 1; j >= 0; j--) {
vec.push_back(proc_info[j].p_pid); i++;
}
#endif
}
kvm_close(kd);
#endif
*proc_id = (PROCID *)malloc(sizeof(PROCID) * vec.size());
if (proc_id) {
std::copy(vec.begin(), vec.end(), *proc_id);
*size = i;
}
}
void free_proc_id(PROCID *proc_id) {
if (proc_id) {
free(proc_id);
}
}
void proc_id_from_self(PROCID *proc_id) {
*proc_id = 0;
#if !defined(_WIN32)
*proc_id = getpid();
#else
*proc_id = GetCurrentProcessId();
#endif
}
PROCID proc_id_from_self() {
#if !defined(_WIN32)
return getpid();
#else
return GetCurrentProcessId();
#endif
}
void parent_proc_id_from_self(PROCID *parent_proc_id) {
*parent_proc_id = 0;
#if !defined(_WIN32)
*parent_proc_id = getppid();
#else
parent_proc_id_from_proc_id(proc_id_from_self(), parent_proc_id);
#endif
}
PROCID parent_proc_id_from_self() {
#if !defined(_WIN32)
return getppid();
#else
PROCID parent_proc_id = 0;
parent_proc_id_from_proc_id(proc_id_from_self(), &parent_proc_id);
return parent_proc_id;
#endif
}
bool proc_id_exists(PROCID proc_id) {
#if !defined(_WIN32)
return (kill(proc_id, 0) != -1);
#else
PROCID *buffer = nullptr; int size = 0;
proc_id_enumerate(&buffer, &size);
if (buffer) {
for (int i = 0; i < size; i++) {
message_pump();
if (proc_id == buffer[i]) {
return true;
}
}
free_proc_id(buffer);
}
return false;
#endif
}
bool proc_id_suspend(PROCID proc_id) {
#if !defined(_WIN32)
return (kill(proc_id, SIGSTOP) != -1);
#else
typedef NTSTATUS (__stdcall *NtSuspendProcess)(IN HANDLE ProcessHandle);
HANDLE proc = open_process_with_debug_privilege(proc_id);
if (proc == nullptr) return false;
NtSuspendProcess pfnNtSuspendProcess = (NtSuspendProcess)GetProcAddress(GetModuleHandle("ntdll"), "NtSuspendProcess");
NTSTATUS status = pfnNtSuspendProcess(proc);
CloseHandle(proc);
return (!status);
#endif
}
bool proc_id_resume(PROCID proc_id) {
#if !defined(_WIN32)
return (kill(proc_id, SIGCONT) != -1);
#else
typedef NTSTATUS (__stdcall *NtResumeProcess)(IN HANDLE ProcessHandle);
HANDLE proc = open_process_with_debug_privilege(proc_id);
if (proc == nullptr) return false;
NtResumeProcess pfnNtResumeProcess = (NtResumeProcess)GetProcAddress(GetModuleHandle("ntdll"), "NtResumeProcess");
NTSTATUS status = pfnNtResumeProcess(proc);
CloseHandle(proc);
return (!status);
#endif
}
bool proc_id_kill(PROCID proc_id) {
#if !defined(_WIN32)
return (kill(proc_id, SIGKILL) != -1);
#else
HANDLE proc = open_process_with_debug_privilege(proc_id);
if (proc == nullptr) return false;
bool result = TerminateProcess(proc, 0);
CloseHandle(proc);
return result;
#endif
}
void parent_proc_id_from_proc_id(PROCID proc_id, PROCID *parent_proc_id) {
*parent_proc_id = 0;
#if defined(_WIN32)
HANDLE hp = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
PROCESSENTRY32 pe = { 0 };
pe.dwSize = sizeof(PROCESSENTRY32);
if (Process32First(hp, &pe)) {
do {
if (pe.th32ProcessID == proc_id) {
message_pump();
*parent_proc_id = pe.th32ParentProcessID;
break;
}
} while (Process32Next(hp, &pe));
}
CloseHandle(hp);
#elif (defined(__APPLE__) && defined(__MACH__))
proc_bsdinfo proc_info = { 0 };
if (proc_pidinfo(proc_id, PROC_PIDTBSDINFO, 0, &proc_info, sizeof(proc_info)) > 0) {
*parent_proc_id = proc_info.pbi_ppid;
}
#elif (defined(__linux__) && !defined(__ANDROID__))
PROCTAB *proc = openproc(PROC_FILLSTATUS | PROC_PID, &proc_id);
if (proc_t *proc_info = readproc(proc, nullptr)) {
*parent_proc_id = proc_info->ppid;
freeproc(proc_info);
}
closeproc(proc);
#elif defined(__FreeBSD__)
if (KINFO_PROC *proc_info = kinfo_getproc(proc_id)) {
*parent_proc_id = proc_info->ki_ppid;
free(proc_info);
}
#elif defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
char errbuf[_POSIX2_LINE_MAX];
KINFO_PROC *proc_info = nullptr; int cntp = 0;
#if defined(__DragonFly__)
const char *nlistf, *memf; nlistf = memf = "/dev/null";
kd = kvm_openfiles(nlistf, memf, nullptr, O_RDONLY, errbuf); if (!kd) return;
if ((proc_info = kvm_getprocs(kd, KERN_PROC_PID, proc_id, &cntp))) {
if (proc_info->kp_ppid >= 0) {
*parent_proc_id = proc_info->kp_ppid;
}
#elif defined(__NetBSD__)
kd = kvm_openfiles(nullptr, nullptr, nullptr, KVM_NO_FILES, errbuf); if (!kd) return;
if ((proc_info = kvm_getproc2(kd, KERN_PROC_PID, proc_id, sizeof(struct KINFO_PROC), &cntp))) {
*parent_proc_id = proc_info->p_ppid;
#elif defined(__OpenBSD__)
kd = kvm_openfiles(nullptr, nullptr, nullptr, KVM_NO_FILES, errbuf); if (!kd) return;
if ((proc_info = kvm_getprocs(kd, KERN_PROC_PID, proc_id, sizeof(struct KINFO_PROC), &cntp))) {
*parent_proc_id = proc_info->p_ppid;
#endif
}
kvm_close(kd);
#endif
}
void proc_id_from_parent_proc_id(PROCID parent_proc_id, PROCID **proc_id, int *size) {
*proc_id = nullptr; *size = 0;
std::vector<PROCID> vec; int i = 0;
#if defined(_WIN32)
HANDLE hp = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
PROCESSENTRY32 pe = { 0 };
pe.dwSize = sizeof(PROCESSENTRY32);
if (Process32First(hp, &pe)) {
do {
message_pump();
if (pe.th32ParentProcessID == parent_proc_id) {
vec.push_back(pe.th32ProcessID); i++;
}
} while (Process32Next(hp, &pe));
}
CloseHandle(hp);
#elif (defined(__APPLE__) && defined(__MACH__))
int cntp = proc_listpids(PROC_ALL_PIDS, 0, nullptr, 0);
std::vector<PROCID> proc_info(cntp);
std::fill(proc_info.begin(), proc_info.end(), 0);
proc_listpids(PROC_ALL_PIDS, 0, &proc_info[0], sizeof(PROCID) * cntp);
for (int j = cntp - 1; j >= 0; j--) {
if (proc_info[j] == 0) { continue; }
PROCID ppid; parent_proc_id_from_proc_id(proc_info[j], &ppid);
if (proc_info[j] == 1 && ppid == 0 && parent_proc_id == 0) {
vec.push_back(0); i++;
}
if (ppid == parent_proc_id) {
vec.push_back(proc_info[j]); i++;
}
}
#elif (defined(__linux__) && !defined(__ANDROID__))
PROCTAB *proc = openproc(PROC_FILLSTAT);
while (proc_t *proc_info = readproc(proc, nullptr)) {
if (proc_info->tgid == 1 && proc_info->ppid == 0 && parent_proc_id == 0) {
vec.push_back(0); i++;
}
if (proc_info->ppid == parent_proc_id) {
vec.push_back(proc_info->tgid); i++;
}
freeproc(proc_info);
}
closeproc(proc);
#elif defined(__FreeBSD__)
int cntp = 0; if (KINFO_PROC *proc_info = kinfo_getallproc(&cntp)) {
for (int j = 0; j < cntp; j++) {
if (proc_info[j].ki_ppid == parent_proc_id) {
vec.push_back(proc_info[j].ki_pid); i++;
}
}
free(proc_info);
}
#elif defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
char errbuf[_POSIX2_LINE_MAX];
KINFO_PROC *proc_info = nullptr; int cntp = 0;
#if defined(__DragonFly__)
const char *nlistf, *memf; nlistf = memf = "/dev/null";
kd = kvm_openfiles(nlistf, memf, nullptr, O_RDONLY, errbuf); if (!kd) return;
if ((proc_info = kvm_getprocs(kd, KERN_PROC_ALL, 0, &cntp))) {
for (int j = 0; j < cntp; j++) {
if (proc_info[j].kp_pid == 1 && proc_info[j].kp_ppid == 0 && parent_proc_id == 0) {
vec.push_back(0); i++;
}
if (proc_info[j].kp_pid >= 0 && proc_info[j].kp_ppid >= 0 && proc_info[j].kp_ppid == parent_proc_id) {
vec.push_back(proc_info[j].kp_pid); i++;
}
}
#elif defined(__NetBSD__)
kd = kvm_openfiles(nullptr, nullptr, nullptr, KVM_NO_FILES, errbuf); if (!kd) return;
if ((proc_info = kvm_getproc2(kd, KERN_PROC_ALL, 0, sizeof(struct KINFO_PROC), &cntp))) {
for (int j = cntp - 1; j >= 0; j--) {
if (proc_info[j].p_ppid == parent_proc_id) {
vec.push_back(proc_info[j].p_pid); i++;
}
}
#elif defined(__OpenBSD__)
kd = kvm_openfiles(nullptr, nullptr, nullptr, KVM_NO_FILES, errbuf); if (!kd) return;
if ((proc_info = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct KINFO_PROC), &cntp))) {
for (int j = cntp - 1; j >= 0; j--) {
if (proc_info[j].p_pid == 1 && proc_info[j].p_ppid == 0 && parent_proc_id == 0) {
vec.push_back(0); i++;
}
if (proc_info[j].p_ppid == parent_proc_id) {
vec.push_back(proc_info[j].p_pid); i++;
}
}
#endif
}
kvm_close(kd);
#endif
*proc_id = (PROCID *)malloc(sizeof(PROCID) * vec.size());
if (proc_id) {
std::copy(vec.begin(), vec.end(), *proc_id);
*size = i;
}
}
void exe_from_proc_id(PROCID proc_id, char **buffer) {
*buffer = nullptr;
if (!proc_id_exists(proc_id)) return;
#if defined(_WIN32)
if (proc_id == proc_id_from_self()) {
wchar_t exe[MAX_PATH];
if (GetModuleFileNameW(nullptr, exe, MAX_PATH) != 0) {
static std::string str; str = narrow(exe);
*buffer = (char *)str.c_str();
}
} else {
HANDLE proc = open_process_with_debug_privilege(proc_id);
if (proc == nullptr) return;
wchar_t exe[MAX_PATH]; DWORD size = MAX_PATH;
if (QueryFullProcessImageNameW(proc, 0, exe, &size) != 0) {
static std::string str; str = narrow(exe);
*buffer = (char *)str.c_str();
}
CloseHandle(proc);
}
#elif (defined(__APPLE__) && defined(__MACH__))
char exe[PROC_PIDPATHINFO_MAXSIZE];
if (proc_pidpath(proc_id, exe, sizeof(exe)) > 0) {
static std::string str; str = exe;
*buffer = (char *)str.c_str();
}
#elif (defined(__linux__) && !defined(__ANDROID__))
char exe[PATH_MAX];
std::string symLink = "/proc/" + std::to_string(proc_id) + "/exe";
if (realpath(symLink.c_str(), exe)) {
static std::string str; str = exe;
*buffer = (char *)str.c_str();
}
#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__)
#if defined(__DragonFly__)
if (proc_id == 0) { return; }
#endif
int mib[4]; std::size_t s = 0;
mib[0] = CTL_KERN;
#if defined(__NetBSD__)
mib[1] = KERN_PROC_ARGS;
mib[2] = proc_id;
mib[3] = KERN_PROC_PATHNAME;
#else
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PATHNAME;
mib[3] = proc_id;
#endif
if (sysctl(mib, 4, nullptr, &s, nullptr, 0) == 0) {
std::string str1; str1.resize(s, '\0');
char *exe1 = str1.data();
if (sysctl(mib, 4, exe1, &s, nullptr, 0) == 0) {
char exe2[PATH_MAX];
if (realpath(exe1, exe2)) {
static std::string str2; str2 = exe2;
*buffer = (char *)str2.c_str();
}
}
}
#elif defined(__OpenBSD__)
char **cmdbuf = nullptr; int cmdsize = 0;
cmdline_from_proc_id(proc_id, &cmdbuf, &cmdsize);
const char *pwd = nullptr;
if (cmdsize) {
if (*cmdbuf[0] == '/') {
char exe[PATH_MAX];
if (realpath(cmdbuf[0], exe)) {
static std::string str; str = exe;
*buffer = (char *)str.c_str();
goto finish;
}
} else if (std::string(cmdbuf[0]).find('/') == std::string::npos) {
std::vector<std::string> env; std::string tmp;
std::stringstream sstr(environ_from_proc_id_ex(proc_id, "PATH"));
while (std::getline(sstr, tmp, ':')) {
env.push_back(tmp);
}
for (std::size_t i = 0; i < env.size(); i++) {
char exe[PATH_MAX];
if (realpath((std::string(env[i]) + "/" + std::string(cmdbuf[0]).data()).c_str(), exe)) {
struct stat st = { 0 };
if (!stat(exe, &st) && (st.st_mode & S_IXUSR) && (st.st_mode & S_IFREG)) {
static std::string str; str = exe;
*buffer = (char *)str.c_str();
goto finish;
}
}
}
}
pwd = environ_from_proc_id_ex(proc_id, "PWD");
if (pwd && *pwd) {
char exe[PATH_MAX];
if (realpath((std::string(pwd) + "/" + std::string(cmdbuf[0]).data()).c_str(), exe)) {
static std::string str; str = exe;
*buffer = (char *)str.c_str();
}
}
finish:
free_cmdline(cmdbuf);
}
#endif
}
const char *exe_from_proc_id(PROCID proc_id) {
char *exe = nullptr; exe_from_proc_id(proc_id, &exe);
return exe;
}
const char *executable_from_self() {
return exe_from_proc_id(proc_id_from_self());
}
const char *directory_get_current_working() {
static std::string str;
#if defined(_WIN32)
wchar_t u8dname[MAX_PATH];
if (GetCurrentDirectoryW(MAX_PATH, u8dname) != 0) {
str = narrow(u8dname);
}
#else
char dname[PATH_MAX];
if (getcwd(dname, sizeof(dname)) != nullptr) {
str = dname;
}
#endif
return str.c_str();
}
bool directory_set_current_working(const char *dname) {
#if defined(_WIN32)
std::wstring u8dname = widen(dname);
return SetCurrentDirectoryW(u8dname.c_str());
#else
return chdir(dname);
#endif
}
static std::unordered_map<LOCALPROCID, std::intptr_t> stdipt_map;
static std::unordered_map<LOCALPROCID, std::string> stdopt_map;
static std::unordered_map<LOCALPROCID, bool> complete_map;
static std::mutex stdopt_mutex;
void cwd_from_proc_id(PROCID proc_id, char **buffer) {
*buffer = nullptr;
if (!proc_id_exists(proc_id)) return;
#if defined(_WIN32)
HANDLE proc = open_process_with_debug_privilege(proc_id);
if (proc == nullptr) return;
#if defined(PROCESS_WIN32EXE_INCLUDES)
if (is_x86_process(GetCurrentProcess()) != is_x86_process(proc)) {
std::string exe = directory_get_temporary_path();
if (is_x86_process(proc)) exe = exe + "\\process32.exe";
else exe = exe + "\\process64.exe";
if (!file_exists(exe.c_str())) {
FILE *file = nullptr; std::wstring wexe = widen(exe);
if (_wfopen_s(&file, wexe.c_str(), L"wb") == 0) {
if (is_x86_process(proc)) {
#if defined(_WIN64)
fwrite((char *)process32, sizeof(char), sizeof(process32), file);
#endif
} else {
#if !defined(_WIN64)
fwrite((char *)process64, sizeof(char), sizeof(process64), file);
#endif
}
fclose(file);
}
}
LOCALPROCID ind = process_execute(("\"" + exe + "\" --cwd-from-pid " + std::to_string(proc_id)).c_str());
static std::string str; if (stdopt_map.find(ind) != stdopt_map.end()) str = stdopt_map.find(ind)->second;
if (!str.empty() && std::count(str.begin(), str.end(), '\\') > 1 && str.back() == '\\') {
static std::string substr; substr = str.substr(0, str.length() - 1);
*buffer = (char *)substr.c_str();
} else {
*buffer = (char *)str.c_str();
}
free_executed_process_standard_output(ind);
} else {
#endif
wchar_t *cwdbuf = nullptr;
cwd_cmd_env_from_proc(proc, &cwdbuf, MEMCWD);
if (cwdbuf) {
static std::string str; str = narrow(cwdbuf);
if (!str.empty() && std::count(str.begin(), str.end(), '\\') > 1 && str.back() == '\\') {
static std::string substr; substr = str.substr(0, str.length() - 1);
*buffer = (char *)substr.c_str();
} else {
*buffer = (char *)str.c_str();
}
delete[] cwdbuf;
}
#if defined(PROCESS_WIN32EXE_INCLUDES)
}
#endif
CloseHandle(proc);
#elif (defined(__APPLE__) && defined(__MACH__))
proc_vnodepathinfo vpi = { 0 };
char cwd[PROC_PIDPATHINFO_MAXSIZE];
if (proc_pidinfo(proc_id, PROC_PIDVNODEPATHINFO, 0, &vpi, sizeof(vpi)) > 0) {
strcpy(cwd, vpi.pvi_cdir.vip_path);
static std::string str; str = cwd;
*buffer = (char *)str.c_str();
}
#elif (defined(__linux__) && !defined(__ANDROID__))
char cwd[PATH_MAX];
std::string symLink = "/proc/" + std::to_string(proc_id) + "/cwd";
if (realpath(symLink.c_str(), cwd)) {
static std::string str; str = cwd;
*buffer = (char *)str.c_str();
}
#elif defined(__FreeBSD__)
char cwd[PATH_MAX]; unsigned cntp;
procstat *proc_stat = procstat_open_sysctl();
if (proc_stat) {
KINFO_PROC *proc_info = procstat_getprocs(proc_stat, KERN_PROC_PID, proc_id, &cntp);
if (proc_info) {
filestat_list *head = procstat_getfiles(proc_stat, proc_info, 0);
if (head) {
filestat *fst = nullptr;
STAILQ_FOREACH(fst, head, next) {
if (fst->fs_uflags & PS_FST_UFLAG_CDIR) {
strcpy(cwd, fst->fs_path);
static std::string str; str = cwd;
*buffer = (char *)str.c_str();
}
}
procstat_freefiles(proc_stat, head);
}
procstat_freeprocs(proc_stat, proc_info);
}
procstat_close(proc_stat);
}
#elif defined(__DragonFly__)
const char *pwd = environ_from_proc_id_ex(proc_id, "PWD");
if (pwd && *pwd) {
char cwd[PATH_MAX];
if (realpath(pwd, cwd)) {
static std::string str; str = cwd;
*buffer = (char *)str.c_str();
}
}
#elif defined(__OpenBSD__)
int mib[3]; std::size_t s = 0;
mib[0] = CTL_KERN;
mib[1] = KERN_PROC_CWD;
mib[2] = proc_id;
if (sysctl(mib, 3, nullptr, &s, nullptr, 0) == 0) {
std::vector<char> str1; str1.resize(s, '\0');
char *cwd = str1.data();
if (sysctl(mib, 3, cwd, &s, nullptr, 0) == 0) {
static std::string str2; str2 = cwd ? cwd : "\0";
*buffer = (char *)str2.c_str();
}
}
#elif defined(__NetBSD__)
int mib[4]; std::size_t s = 0;
mib[0] = CTL_KERN;
mib[1] = KERN_PROC_ARGS;
mib[2] = proc_id;
mib[3] = KERN_PROC_CWD;
if (sysctl(mib, 4, nullptr, &s, nullptr, 0) == 0) {
std::vector<char> str1; str1.resize(s, '\0');
char *cwd = str1.data();
if (sysctl(mib, 4, cwd, &s, nullptr, 0) == 0) {
static std::string str2; str2 = cwd ? cwd : "\0";
*buffer = (char *)str2.c_str();
}
}
#endif
}
const char *cwd_from_proc_id(PROCID proc_id) {
char *cwd = nullptr; cwd_from_proc_id(proc_id, &cwd);
return cwd;
}
void free_cmdline(char **buffer) {
if (buffer) {
delete[] buffer;
}
}
static std::vector<std::string> cmdline_vec_1;
void cmdline_from_proc_id(PROCID proc_id, char ***buffer, int *size) {
*buffer = nullptr; *size = 0;
cmdline_vec_1.clear(); int i = 0;
if (!proc_id_exists(proc_id)) return;
#if defined(_WIN32)
HANDLE proc = open_process_with_debug_privilege(proc_id);
if (proc == nullptr) return;
#if defined(PROCESS_WIN32EXE_INCLUDES)
if (is_x86_process(GetCurrentProcess()) != is_x86_process(proc)) {
std::string exe = directory_get_temporary_path();
if (is_x86_process(proc)) exe = exe + "\\process32.exe";