summaryrefslogtreecommitdiffhomepage
path: root/compat/process-list.hpp
blob: 1061379161fa68de1b8ee315de7d35f2ceb739c5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/* Copyright (c) 2015 Stanislaw Halik <sthalik@misaki.pl>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 */

#pragma once

#include <QDebug>
#include <QStringList>

#if defined _WIN32

#include <windows.h>
#include <tlhelp32.h>

template<typename = void>
static QStringList get_all_executable_names()
{
    QStringList ret;
    HANDLE h = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    if (h == INVALID_HANDLE_VALUE)
        return ret;

    PROCESSENTRY32 e;
    e.dwSize = sizeof(e);

    if (Process32First(h, &e) != TRUE)
    {
        CloseHandle(h);
        return ret;
    }

    do {
        ret.append(e.szExeFile);
    } while (Process32Next(h, &e) == TRUE);

    CloseHandle(h);

    return ret;
}
#elif defined __APPLE__
#include <libproc.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <cerrno>
#include <cstring>
#include <vector>

template<typename = void>
static QStringList get_all_executable_names()
{
    QStringList ret;
    std::vector<int> vec;

    while (true)
    {
        int numproc = proc_listpids(PROC_ALL_PIDS, 0, nullptr, 0);
        if (numproc == -1)
        {
            qDebug() << "proc_listpids numproc failed" << errno;
            return ret;
        }
        vec.resize(numproc);
        int cnt = proc_listpids(PROC_ALL_PIDS, 0, &vec[0], sizeof(int) * numproc);

        if (cnt <= numproc)
        {
            std::vector<char> arglist;
            int mib[2] { CTL_KERN, KERN_ARGMAX };
            size_t sz = sizeof(int);
            int maxarg = 0;
            if (sysctl(mib, 2, &maxarg, &sz, NULL, 0) == -1)
            {
                qDebug() << "sysctl KERN_ARGMAX" << errno;
                return ret;
            }
            arglist.resize(maxarg);
            for (int i = 0; i < numproc; i++)
            {
                size_t maxarg_ = (size_t)maxarg;
                int mib[3] { CTL_KERN, KERN_PROCARGS2, vec[i] };
                if (sysctl(mib, 3, &arglist[0], &maxarg_, NULL, 0) == -1)
                {
                    //qDebug() << "sysctl KERN_PROCARGS2" << vec[i] << errno;
                    continue;
                }
                QStringList cmdline;
                for (unsigned j = sizeof(int) + strlen(&arglist[sizeof(int)]); j < maxarg_; j++)
                {
                    QString arg(&arglist[j]);
                    if (arg.size() != 0)
                    {
                        cmdline << arg;
                        j += arg.size();
                    }
                }
                if (cmdline.size() > 0)
                {
                    int idx = cmdline[0].lastIndexOf('/');
                    if (idx != -1)
                    {
                        QString tmp = cmdline[0].mid(idx+1);
                        if (cmdline.size() > 1 && (tmp == "wine.bin" || tmp == "wine"))
                        {
                            idx = cmdline[1].lastIndexOf('/');
                            if (idx == -1)
                                idx = cmdline[1].lastIndexOf('\\');
                            if (idx != -1)
                            {
                                ret.append(cmdline[1].mid(idx+1));
                            }
                            else
                                ret.append(cmdline[1]);
                        }
                        else
                        {
                            ret.append(tmp);
                        }
                    }
                    else
                        ret.append(cmdline[0]);
                }
            }
            return ret;
        }
    }
}

#elif defined __linux

#include <proc/readproc.h>
#include <cerrno>
template<typename = void>
static QStringList get_all_executable_names()
{
    QStringList ret;
    proc_t** procs = readproctab(PROC_FILLCOM);
    if (procs == nullptr)
    {
        qDebug() << "readproctab" << errno;
        return ret;
    }
    for (int i = 0; procs[i]; i++)
    {
        // note, wine sets argv[0] so no parsing like in OSX case
        auto proc = procs[i];
        if (proc->cmdline && proc->cmdline[0])
        {
            QString tmp(proc->cmdline[0]);
            const int idx = std::max(tmp.lastIndexOf('\\'), tmp.lastIndexOf('/'));
            tmp = tmp.mid(idx == -1 ? 0 : idx+1);
            ret.append(tmp);
        }
        freeproc(procs[i]);
    }
    free(procs);
    return ret;
}

#else
template<typename = void>
static QStringList get_all_executable_names()
{
    return QStringList();
}
#endif