122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <config.h>
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#include <glibtop/procuid.h>
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#include <sys/table.h>
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#include <sys/resource.h>
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#include <mach.h>
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#include <mach/mach_types.h>
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#include <mach/task_info.h>
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/* Provides detailed information about a process. */
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static const unsigned long _glibtop_sysdeps_proc_uid =
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(1 << GLIBTOP_PROC_UID_UID) + (1 << GLIBTOP_PROC_UID_EUID) +
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(1 << GLIBTOP_PROC_UID_GID) + (1 << GLIBTOP_PROC_UID_EGID) +
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(1 << GLIBTOP_PROC_UID_PID) + (1 << GLIBTOP_PROC_UID_PPID) +
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(1 << GLIBTOP_PROC_UID_PGRP) + (1 << GLIBTOP_PROC_UID_SESSION) +
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(1 << GLIBTOP_PROC_UID_TTY) + (1 << GLIBTOP_PROC_UID_TPGID);
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void
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glibtop_get_proc_uid__r (glibtop *server, glibtop_proc_uid *buf,
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pid_t pid)
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{
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struct tbl_procinfo procinfo;
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task_basic_info_data_t taskinfo;
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int ret, info_count;
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task_t thistask;
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glibtop_init ();
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memset (buf, 0, sizeof (glibtop_proc_uid));
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/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
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setreuid (server->machine.uid, server->machine.euid);
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ret = table (TBL_PROCINFO, pid, (char *) &procinfo, 1,
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sizeof (struct tbl_procinfo));
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if (setreuid (server->machine.euid, server->machine.uid))
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_exit (1);
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/* !!! END OF SUID ROOT PART !!! */
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if (ret != 1) return;
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buf->uid = procinfo.pi_ruid;
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buf->euid = procinfo.pi_svuid;
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buf->gid = procinfo.pi_rgid;
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buf->egid = procinfo.pi_svgid;
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buf->pid = procinfo.pi_pid;
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buf->ppid = procinfo.pi_ppid;
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buf->pgrp = procinfo.pi_pgrp;
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buf->tty = procinfo.pi_ttyd;
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buf->session = procinfo.pi_session;
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buf->tpgid = procinfo.pi_tpgrp;
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buf->flags = _glibtop_sysdeps_proc_uid;
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/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
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setreuid (server->machine.uid, server->machine.euid);
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/* Get task structure. */
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ret = task_by_unix_pid (task_self(), procinfo.pi_pid, &thistask);
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if (ret == KERN_SUCCESS) {
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/* Get taskinfo about this task. */
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info_count = TASK_BASIC_INFO_COUNT;
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ret = task_info (thistask, TASK_BASIC_INFO,
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(task_info_t) &taskinfo, &info_count);
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}
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if (setreuid (server->machine.euid, server->machine.uid))
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_exit (1);
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/* !!! END OF SUID ROOT PART !!! */
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if (ret != KERN_SUCCESS) return;
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buf->priority = taskinfo.base_priority;
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buf->flags += (1 << GLIBTOP_PROC_UID_PRIORITY);
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errno = 0;
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ret = getpriority (PRIO_PROCESS, pid);
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if ((ret == -1) && (errno != 0)) return;
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buf->nice = ret;
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buf->flags += (1 << GLIBTOP_PROC_UID_NICE);
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}
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