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 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 * 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