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/* 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_private.h>
static const unsigned long _glibtop_sysdeps_proc_uid_psinfo =
(1L << GLIBTOP_PROC_UID_EUID) + (1L << GLIBTOP_PROC_UID_UID) +
(1L << GLIBTOP_PROC_UID_EGID) + (1L << GLIBTOP_PROC_UID_GID) +
(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_PRIORITY) +
(1L << GLIBTOP_PROC_UID_NICE);
static const unsigned long _glibtop_sysdeps_proc_uid_prcred =
#if LIBGTOP_VERSION_CODE >= 1001002
#ifdef HAVE_PROCFS_H
(1L << GLIBTOP_PROC_UID_GROUPS) +
#endif
(1L << GLIBTOP_PROC_UID_SUID) + (1L << GLIBTOP_PROC_UID_SGID) +
(1L << GLIBTOP_PROC_UID_NGROUPS);
#else
0;
#endif
/* Init function. */
void
glibtop_init_proc_uid_s (glibtop *server)
{
server->sysdeps.proc_uid = _glibtop_sysdeps_proc_uid_psinfo +
_glibtop_sysdeps_proc_uid_prcred;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_uid_s (glibtop *server, glibtop_proc_uid *buf, pid_t pid)
{
#if LIBGTOP_VERSION_CODE >= 1001002
struct prcred prcred;
#endif
#ifdef HAVE_PROCFS_H
struct psinfo psinfo;
#if LIBGTOP_VERSION_CODE >= 1001002
gid_t groups[GLIBTOP_MAX_GROUPS];
#endif
#else
struct prpsinfo psinfo;
gid_t groups[1]; /* dummy for consistent function prototype */
#endif
memset (buf, 0, sizeof (glibtop_proc_uid));
if (glibtop_get_proc_data_psinfo_s (server, &psinfo, pid))
return;
buf->euid = psinfo.pr_euid;
buf->uid = psinfo.pr_uid;
buf->egid = psinfo.pr_egid;
buf->gid = psinfo.pr_gid;
buf->pid = psinfo.pr_pid;
buf->ppid = psinfo.pr_ppid;
#ifdef HAVE_PROCFS_H
buf->pgrp = psinfo.pr_pgid;
#else
buf->pgrp = psinfo.pr_pgrp;
#endif
buf->session = psinfo.pr_sid;
buf->tty = psinfo.pr_ttydev;
#ifdef HAVE_PROCFS_H
buf->priority = psinfo.pr_lwp.pr_pri;
buf->nice = psinfo.pr_lwp.pr_nice - NZERO;
#else
buf->priority = psinfo.pr_pri;
buf->nice = psinfo.pr_nice - NZERO;
#endif
buf->flags = _glibtop_sysdeps_proc_uid_psinfo;
#if LIBGTOP_VERSION_CODE >= 1001002
if(glibtop_get_proc_credentials_s(server, &prcred, groups, pid))
return;
buf->suid = prcred.pr_suid;
buf->sgid = prcred.pr_sgid;
buf->ngroups = (prcred.pr_ngroups <= GLIBTOP_MAX_GROUPS) ?
prcred.pr_ngroups : GLIBTOP_MAX_GROUPS;
#ifdef HAVE_PROCFS_H
if(sizeof(int) == sizeof(gid_t))
memcpy(buf->groups, &groups, buf->ngroups * sizeof(gid_t));
else
{
int i;
for(i = 0; i < buf->ngroups; ++i)
buf->groups[i] = groups[i];
}
#endif
#endif
buf->flags += _glibtop_sysdeps_proc_uid_prcred;
}
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