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/*
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This file is part of LibGTop 2.0.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include <unistd.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/procuid.h>
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#include <glibtop_suid.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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static const unsigned long _glibtop_sysdeps_proc_uid =
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(1L << GLIBTOP_PROC_UID_UID) + (1L << GLIBTOP_PROC_UID_EUID) +
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(1L << GLIBTOP_PROC_UID_GID) + (1L << GLIBTOP_PROC_UID_EGID) +
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(1L << GLIBTOP_PROC_UID_PID) + (1L << GLIBTOP_PROC_UID_PPID) +
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(1L << GLIBTOP_PROC_UID_PGRP) + (1L << GLIBTOP_PROC_UID_TTY) +
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(1L << GLIBTOP_PROC_UID_TPGID);
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/* Init function. */
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void
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_glibtop_init_proc_uid_p (glibtop *server)
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{
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server->sysdeps.proc_uid = _glibtop_sysdeps_proc_uid;
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}
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/* Provides detailed information about a process. */
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void
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glibtop_get_proc_uid_p (glibtop *server, glibtop_proc_uid *buf,
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pid_t pid)
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{
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int mib[4];
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size_t length;
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struct kinfo_proc kinfo;
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glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_UID), 0);
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memset (buf, 0, sizeof (glibtop_proc_uid));
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mib [0] = CTL_KERN;
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mib [1] = KERN_PROC;
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mib [2] = KERN_PROC_PID;
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mib [3] = pid;
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length = sizeof (struct kinfo_proc);
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if (sysctl (mib, 4, &kinfo, &length, NULL, 0) < 0) {
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glibtop_warn_io_r (server, "sysctl (procuid)");
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return;
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}
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buf->uid = kinfo.kp_eproc.e_pcred.p_ruid;
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buf->euid = kinfo.kp_eproc.e_pcred.p_svuid;
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buf->gid = kinfo.kp_eproc.e_pcred.p_rgid;
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buf->egid = kinfo.kp_eproc.e_pcred.p_svgid;
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buf->ppid = kinfo.kp_eproc.e_ppid;
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buf->pgrp = kinfo.kp_eproc.e_pgid;
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buf->tpgid = kinfo.kp_eproc.e_tpgid;
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buf->nice = kinfo.kp_proc.p_nice;
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buf->priority = kinfo.kp_proc.p_priority;
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buf->flags = _glibtop_sysdeps_proc_uid;
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}
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