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b65eb2f8a8
Submitted by: Juraj Lutter <juraj@lutter.sk> MFC after: 1 week Differential revision: https://reviews.freebsd.org/D26568
107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2007-2008 Robert N. M. Watson
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* Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <err.h>
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#include <libprocstat.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "procstat.h"
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static const char *get_umask(struct procstat *procstat,
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struct kinfo_proc *kipp);
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void
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procstat_cred(struct procstat *procstat, struct kinfo_proc *kipp)
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{
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unsigned int i, ngroups;
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gid_t *groups;
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if ((procstat_opts & PS_OPT_NOHEADER) == 0)
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xo_emit("{T:/%5s %-16s %5s %5s %5s %5s %5s %5s %5s %5s %-15s}\n",
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"PID", "COMM", "EUID", "RUID", "SVUID", "EGID", "RGID",
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"SVGID", "UMASK", "FLAGS", "GROUPS");
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xo_emit("{k:process_id/%5d/%d} ", kipp->ki_pid);
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xo_emit("{:command/%-16s/%s} ", kipp->ki_comm);
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xo_emit("{:uid/%5d} ", kipp->ki_uid);
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xo_emit("{:ruid/%5d} ", kipp->ki_ruid);
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xo_emit("{:svuid/%5d} ", kipp->ki_svuid);
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xo_emit("{:group/%5d} ", kipp->ki_groups[0]);
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xo_emit("{:rgid/%5d} ", kipp->ki_rgid);
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xo_emit("{:svgid/%5d} ", kipp->ki_svgid);
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xo_emit("{:umask/%5s} ", get_umask(procstat, kipp));
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xo_emit("{:cr_flags/%s}", kipp->ki_cr_flags & CRED_FLAG_CAPMODE ?
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"C" : "-");
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xo_emit("{P: }");
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groups = NULL;
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/*
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* We may have too many groups to fit in kinfo_proc's statically
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* sized storage. If that occurs, attempt to retrieve them using
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* libprocstat.
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*/
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if (kipp->ki_cr_flags & KI_CRF_GRP_OVERFLOW)
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groups = procstat_getgroups(procstat, kipp, &ngroups);
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if (groups == NULL) {
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ngroups = kipp->ki_ngroups;
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groups = kipp->ki_groups;
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}
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xo_open_list("groups");
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for (i = 0; i < ngroups; i++)
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xo_emit("{D:/%s}{l:groups/%d}", (i > 0) ? "," : "", groups[i]);
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if (groups != kipp->ki_groups)
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procstat_freegroups(procstat, groups);
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xo_close_list("groups");
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xo_emit("\n");
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}
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static const char *
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get_umask(struct procstat *procstat, struct kinfo_proc *kipp)
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{
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u_short fd_cmask;
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static char umask[4];
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if (procstat_getumask(procstat, kipp, &fd_cmask) == 0) {
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snprintf(umask, 4, "%03o", fd_cmask);
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return (umask);
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} else {
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return ("-");
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}
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}
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