1/*-
2 * Copyright (c) 2007-2008 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#include <sys/param.h>
30#include <sys/sysctl.h>
31#include <sys/user.h>
32
33#include <err.h>
34#include <libprocstat.h>
35#include <stdlib.h>
36#include <stdio.h>
37#include <unistd.h>
38
39#include "procstat.h"
40
41static const char *get_umask(struct procstat *procstat,
42    struct kinfo_proc *kipp);
43
44void
45procstat_cred(struct procstat *procstat, struct kinfo_proc *kipp)
46{
47	unsigned int i, ngroups;
48	gid_t *groups;
49
50	if (!hflag)
51		printf("%5s %-16s %5s %5s %5s %5s %5s %5s %5s %5s %-15s\n",
52		    "PID", "COMM", "EUID", "RUID", "SVUID", "EGID", "RGID",
53		    "SVGID", "UMASK", "FLAGS", "GROUPS");
54
55	printf("%5d ", kipp->ki_pid);
56	printf("%-16s ", kipp->ki_comm);
57	printf("%5d ", kipp->ki_uid);
58	printf("%5d ", kipp->ki_ruid);
59	printf("%5d ", kipp->ki_svuid);
60	printf("%5d ", kipp->ki_groups[0]);
61	printf("%5d ", kipp->ki_rgid);
62	printf("%5d ", kipp->ki_svgid);
63	printf("%5s ", get_umask(procstat, kipp));
64	printf("%s", kipp->ki_cr_flags & CRED_FLAG_CAPMODE ? "C" : "-");
65	printf("     ");
66
67	groups = NULL;
68	/*
69	 * We may have too many groups to fit in kinfo_proc's statically
70	 * sized storage.  If that occurs, attempt to retrieve them using
71	 * libprocstat.
72	 */
73	if (kipp->ki_cr_flags & KI_CRF_GRP_OVERFLOW)
74		groups = procstat_getgroups(procstat, kipp, &ngroups);
75	if (groups == NULL) {
76		ngroups = kipp->ki_ngroups;
77		groups = kipp->ki_groups;
78	}
79	for (i = 0; i < ngroups; i++)
80		printf("%s%d", (i > 0) ? "," : "", groups[i]);
81	if (groups != kipp->ki_groups)
82		procstat_freegroups(procstat, groups);
83
84	printf("\n");
85}
86
87static const char *
88get_umask(struct procstat *procstat, struct kinfo_proc *kipp)
89{
90	u_short fd_cmask;
91	static char umask[4];
92
93	if (procstat_getumask(procstat, kipp, &fd_cmask) == 0) {
94		snprintf(umask, 4, "%03o", fd_cmask);
95		return (umask);
96	} else {
97		return ("-");
98	}
99}
100