freebsd-dev/usr.bin/procstat/procstat_cred.c
2013-04-20 07:58:20 +00:00

100 lines
3.1 KiB
C

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