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/*-
* Copyright (c) 2007 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 <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include "procstat.h"
void
procstat_cred(pid_t pid, struct kinfo_proc *kipp)
{
int i;
int mib[4];
int ngroups;
size_t len;
gid_t *groups = NULL;
if (!hflag)
printf("%5s %-16s %5s %5s %5s %5s %5s %5s %-20s\n", "PID",
"COMM", "EUID", "RUID", "SVUID", "EGID", "RGID", "SVGID",
"GROUPS");
printf("%5d ", 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);
/*
* We may have too many groups to fit in kinfo_proc's statically
* sized storage. If that occurs, attempt to retrieve them via
* sysctl.
*/
if (kipp->ki_cr_flags & KI_CRF_GRP_OVERFLOW) {
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_GROUPS;
mib[3] = pid;
ngroups = sysconf(_SC_NGROUPS_MAX) + 1;
len = ngroups * sizeof(gid_t);
if((groups = malloc(len)) == NULL)
err(-1, "malloc");
if (sysctl(mib, 4, groups, &len, NULL, 0) == -1) {
warn("sysctl: kern.proc.groups: %d "
"group list truncated", pid);
free(groups);
groups = NULL;
}
ngroups = len / sizeof(gid_t);
}
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)
free(groups);
printf("\n");
}
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