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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2007-2008 Robert N. M. Watson
* Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <err.h>
#include <libprocstat.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include "procstat.h"
static const char *get_umask(struct procstat *procstat,
struct kinfo_proc *kipp);
void
procstat_cred(struct procstat *procstat, struct kinfo_proc *kipp)
{
unsigned int i, ngroups;
gid_t *groups;
if ((procstat_opts & PS_OPT_NOHEADER) == 0)
xo_emit("{T:/%5s %-16s %5s %5s %5s %5s %5s %5s %5s %5s %-15s}\n",
"PID", "COMM", "EUID", "RUID", "SVUID", "EGID", "RGID",
"SVGID", "UMASK", "FLAGS", "GROUPS");
xo_emit("{k:process_id/%5d/%d} ", kipp->ki_pid);
xo_emit("{:command/%-16s/%s} ", kipp->ki_comm);
xo_emit("{:uid/%5d} ", kipp->ki_uid);
xo_emit("{:ruid/%5d} ", kipp->ki_ruid);
xo_emit("{:svuid/%5d} ", kipp->ki_svuid);
xo_emit("{:group/%5d} ", kipp->ki_groups[0]);
xo_emit("{:rgid/%5d} ", kipp->ki_rgid);
xo_emit("{:svgid/%5d} ", kipp->ki_svgid);
xo_emit("{:umask/%5s} ", get_umask(procstat, kipp));
xo_emit("{:cr_flags/%s}", kipp->ki_cr_flags & CRED_FLAG_CAPMODE ?
"C" : "-");
xo_emit("{P: }");
groups = NULL;
/*
* We may have too many groups to fit in kinfo_proc's statically
* sized storage. If that occurs, attempt to retrieve them using
* libprocstat.
*/
if (kipp->ki_cr_flags & KI_CRF_GRP_OVERFLOW)
groups = procstat_getgroups(procstat, kipp, &ngroups);
if (groups == NULL) {
ngroups = kipp->ki_ngroups;
groups = kipp->ki_groups;
}
xo_open_list("groups");
for (i = 0; i < ngroups; i++)
xo_emit("{D:/%s}{l:groups/%d}", (i > 0) ? "," : "", groups[i]);
if (groups != kipp->ki_groups)
procstat_freegroups(procstat, groups);
xo_close_list("groups");
xo_emit("\n");
}
static const char *
get_umask(struct procstat *procstat, struct kinfo_proc *kipp)
{
u_short fd_cmask;
static char umask[4];
if (procstat_getumask(procstat, kipp, &fd_cmask) == 0) {
snprintf(umask, 4, "%03o", fd_cmask);
return (umask);
} else {
return ("-");
}
}
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