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
41 static const char *get_umask(struct procstat *procstat,
42 struct kinfo_proc *kipp);
43
44 void
procstat_cred(struct procstat * procstat,struct kinfo_proc * kipp)45 procstat_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
87 static const char *
get_umask(struct procstat * procstat,struct kinfo_proc * kipp)88 get_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