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
|
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/procuid.h>
#include <glibtop_suid.h>
#include <sys/table.h>
#include <sys/resource.h>
#include <mach.h>
#include <mach/mach_types.h>
#include <mach/task_info.h>
/* Provides detailed information about a process. */
static const unsigned long _glibtop_sysdeps_proc_uid =
(1L << GLIBTOP_PROC_UID_UID) + (1L << GLIBTOP_PROC_UID_EUID) +
(1L << GLIBTOP_PROC_UID_GID) + (1L << GLIBTOP_PROC_UID_EGID) +
(1L << GLIBTOP_PROC_UID_PID) + (1L << GLIBTOP_PROC_UID_PPID) +
(1L << GLIBTOP_PROC_UID_PGRP) + (1L << GLIBTOP_PROC_UID_SESSION) +
(1L << GLIBTOP_PROC_UID_TTY) + (1L << GLIBTOP_PROC_UID_TPGID);
/* Init function. */
void
glibtop_init_proc_uid_p (glibtop *server)
{
server->sysdeps.proc_uid = _glibtop_sysdeps_proc_uid;
}
void
glibtop_get_proc_uid_p (glibtop *server, glibtop_proc_uid *buf,
pid_t pid)
{
struct tbl_procinfo procinfo;
task_basic_info_data_t taskinfo;
int ret, info_count;
task_t thistask;
glibtop_init_p (server, GLIBTOP_SYSDEPS_PROC_UID, 0);
memset (buf, 0, sizeof (glibtop_proc_uid));
/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
glibtop_suid_enter (server);
ret = table (TBL_PROCINFO, pid, (char *) &procinfo, 1,
sizeof (struct tbl_procinfo));
glibtop_suid_leave (server);
/* !!! END OF SUID ROOT PART !!! */
if (ret != 1) return;
buf->uid = procinfo.pi_ruid;
buf->euid = procinfo.pi_svuid;
buf->gid = procinfo.pi_rgid;
buf->egid = procinfo.pi_svgid;
buf->pid = procinfo.pi_pid;
buf->ppid = procinfo.pi_ppid;
buf->pgrp = procinfo.pi_pgrp;
buf->tty = procinfo.pi_ttyd;
buf->session = procinfo.pi_session;
buf->tpgid = procinfo.pi_tpgrp;
buf->flags = _glibtop_sysdeps_proc_uid;
/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
glibtop_suid_enter (server);
/* Get task structure. */
ret = task_by_unix_pid (task_self(), procinfo.pi_pid, &thistask);
if (ret == KERN_SUCCESS) {
/* Get taskinfo about this task. */
info_count = TASK_BASIC_INFO_COUNT;
ret = task_info (thistask, TASK_BASIC_INFO,
(task_info_t) &taskinfo, &info_count);
/* `ret' is evaluated outside the `if' clause. */
}
glibtop_suid_leave (server);
/* !!! END OF SUID ROOT PART !!! */
if (ret != KERN_SUCCESS) return;
buf->priority = taskinfo.base_priority;
buf->flags += (1L << GLIBTOP_PROC_UID_PRIORITY);
errno = 0;
ret = getpriority (PRIO_PROCESS, pid);
if ((ret == -1) && (errno != 0)) return;
buf->nice = ret;
buf->flags += (1L << GLIBTOP_PROC_UID_NICE);
}
|
