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
|
/*
* Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <Python.h>
#include <sys/sysctl.h>
#include <stdio.h>
#include <sys/param.h> // OS version
#ifdef PSUTIL_FREEBSD
#if __FreeBSD_version < 900000
#include <utmp.h>
#else
#include <utmpx.h>
#endif
#elif PSUTIL_NETBSD
#include <utmpx.h>
#elif PSUTIL_OPENBSD
#include <utmp.h>
#endif
// Return a Python float indicating the system boot time expressed in
// seconds since the epoch.
PyObject *
psutil_boot_time(PyObject *self, PyObject *args) {
// fetch sysctl "kern.boottime"
static int request[2] = { CTL_KERN, KERN_BOOTTIME };
struct timeval boottime;
size_t len = sizeof(boottime);
if (sysctl(request, 2, &boottime, &len, NULL, 0) == -1)
return PyErr_SetFromErrno(PyExc_OSError);
return Py_BuildValue("d", (double)boottime.tv_sec);
}
PyObject *
psutil_users(PyObject *self, PyObject *args) {
PyObject *py_retlist = PyList_New(0);
PyObject *py_username = NULL;
PyObject *py_tty = NULL;
PyObject *py_hostname = NULL;
PyObject *py_tuple = NULL;
PyObject *py_pid = NULL;
if (py_retlist == NULL)
return NULL;
#if (defined(__FreeBSD_version) && (__FreeBSD_version < 900000)) || PSUTIL_OPENBSD
struct utmp ut;
FILE *fp;
Py_BEGIN_ALLOW_THREADS
fp = fopen(_PATH_UTMP, "r");
Py_END_ALLOW_THREADS
if (fp == NULL) {
PyErr_SetFromErrnoWithFilename(PyExc_OSError, _PATH_UTMP);
goto error;
}
while (fread(&ut, sizeof(ut), 1, fp) == 1) {
if (*ut.ut_name == '\0')
continue;
py_username = PyUnicode_DecodeFSDefault(ut.ut_name);
if (! py_username)
goto error;
py_tty = PyUnicode_DecodeFSDefault(ut.ut_line);
if (! py_tty)
goto error;
py_hostname = PyUnicode_DecodeFSDefault(ut.ut_host);
if (! py_hostname)
goto error;
py_tuple = Py_BuildValue(
"(OOOdi)",
py_username, // username
py_tty, // tty
py_hostname, // hostname
(double)ut.ut_time, // start time
#if defined(PSUTIL_OPENBSD) || (defined(__FreeBSD_version) && __FreeBSD_version < 900000)
-1 // process id (set to None later)
#else
ut.ut_pid // TODO: use PyLong_FromPid
#endif
);
if (!py_tuple) {
fclose(fp);
goto error;
}
if (PyList_Append(py_retlist, py_tuple)) {
fclose(fp);
goto error;
}
Py_CLEAR(py_username);
Py_CLEAR(py_tty);
Py_CLEAR(py_hostname);
Py_CLEAR(py_tuple);
}
fclose(fp);
#else
struct utmpx *utx;
setutxent();
while ((utx = getutxent()) != NULL) {
if (utx->ut_type != USER_PROCESS)
continue;
py_username = PyUnicode_DecodeFSDefault(utx->ut_user);
if (! py_username)
goto error;
py_tty = PyUnicode_DecodeFSDefault(utx->ut_line);
if (! py_tty)
goto error;
py_hostname = PyUnicode_DecodeFSDefault(utx->ut_host);
if (! py_hostname)
goto error;
#ifdef PSUTIL_OPENBSD
py_pid = Py_BuildValue("i", -1); // set to None later
#else
py_pid = PyLong_FromPid(utx->ut_pid);
#endif
if (! py_pid)
goto error;
py_tuple = Py_BuildValue(
"(OOOdO)",
py_username, // username
py_tty, // tty
py_hostname, // hostname
(double)utx->ut_tv.tv_sec, // start time
py_pid // process id
);
if (!py_tuple) {
endutxent();
goto error;
}
if (PyList_Append(py_retlist, py_tuple)) {
endutxent();
goto error;
}
Py_CLEAR(py_username);
Py_CLEAR(py_tty);
Py_CLEAR(py_hostname);
Py_CLEAR(py_tuple);
Py_CLEAR(py_pid);
}
endutxent();
#endif
return py_retlist;
error:
Py_XDECREF(py_username);
Py_XDECREF(py_tty);
Py_XDECREF(py_hostname);
Py_XDECREF(py_tuple);
Py_XDECREF(py_pid);
Py_DECREF(py_retlist);
return NULL;
}
|
