1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2007-2008 Robert N. M. Watson 5 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 #include <sys/param.h> 32 #include <sys/sysctl.h> 33 #include <sys/user.h> 34 35 #include <err.h> 36 #include <libprocstat.h> 37 #include <stdlib.h> 38 #include <stdio.h> 39 #include <unistd.h> 40 41 #include "procstat.h" 42 43 static const char *get_umask(struct procstat *procstat, 44 struct kinfo_proc *kipp); 45 46 void 47 procstat_cred(struct procstat *procstat, struct kinfo_proc *kipp) 48 { 49 unsigned int i, ngroups; 50 gid_t *groups; 51 52 if ((procstat_opts & PS_OPT_NOHEADER) == 0) 53 xo_emit("{T:/%5s %-16s %5s %5s %5s %5s %5s %5s %5s %5s %-15s}\n", 54 "PID", "COMM", "EUID", "RUID", "SVUID", "EGID", "RGID", 55 "SVGID", "UMASK", "FLAGS", "GROUPS"); 56 57 xo_emit("{k:process_id/%5d/%d} ", kipp->ki_pid); 58 xo_emit("{:command/%-16s/%s} ", kipp->ki_comm); 59 xo_emit("{:uid/%5d} ", kipp->ki_uid); 60 xo_emit("{:ruid/%5d} ", kipp->ki_ruid); 61 xo_emit("{:svuid/%5d} ", kipp->ki_svuid); 62 xo_emit("{:group/%5d} ", kipp->ki_groups[0]); 63 xo_emit("{:rgid/%5d} ", kipp->ki_rgid); 64 xo_emit("{:svgid/%5d} ", kipp->ki_svgid); 65 xo_emit("{:umask/%5s} ", get_umask(procstat, kipp)); 66 xo_emit("{:cr_flags/%s}", kipp->ki_cr_flags & CRED_FLAG_CAPMODE ? 67 "C" : "-"); 68 xo_emit("{P: }"); 69 70 groups = NULL; 71 /* 72 * We may have too many groups to fit in kinfo_proc's statically 73 * sized storage. If that occurs, attempt to retrieve them using 74 * libprocstat. 75 */ 76 if (kipp->ki_cr_flags & KI_CRF_GRP_OVERFLOW) 77 groups = procstat_getgroups(procstat, kipp, &ngroups); 78 if (groups == NULL) { 79 ngroups = kipp->ki_ngroups; 80 groups = kipp->ki_groups; 81 } 82 xo_open_list("groups"); 83 for (i = 0; i < ngroups; i++) 84 xo_emit("{D:/%s}{l:groups/%d}", (i > 0) ? "," : "", groups[i]); 85 if (groups != kipp->ki_groups) 86 procstat_freegroups(procstat, groups); 87 88 xo_close_list("groups"); 89 xo_emit("\n"); 90 } 91 92 static const char * 93 get_umask(struct procstat *procstat, struct kinfo_proc *kipp) 94 { 95 u_short fd_cmask; 96 static char umask[4]; 97 98 if (procstat_getumask(procstat, kipp, &fd_cmask) == 0) { 99 snprintf(umask, 4, "%03o", fd_cmask); 100 return (umask); 101 } else { 102 return ("-"); 103 } 104 } 105