mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
c077ef009e
Submitted by: Dmitry Banschikov <me ubique spb ru> Discussed with: rwatson MFC after: 2 weeks
127 lines
3.5 KiB
C
127 lines
3.5 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 kinfo_proc *kipp);
|
|
|
|
void
|
|
procstat_cred(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 %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(kipp));
|
|
printf("%s", kipp->ki_cr_flags & CRED_FLAG_CAPMODE ? "C" : "-");
|
|
printf(" ");
|
|
|
|
/*
|
|
* 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] = kipp->ki_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", kipp->ki_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");
|
|
}
|
|
|
|
static const char *
|
|
get_umask(struct kinfo_proc *kipp)
|
|
{
|
|
int error;
|
|
int mib[4];
|
|
size_t len;
|
|
u_short fd_cmask;
|
|
static char umask[4];
|
|
|
|
mib[0] = CTL_KERN;
|
|
mib[1] = KERN_PROC;
|
|
mib[2] = KERN_PROC_UMASK;
|
|
mib[3] = kipp->ki_pid;
|
|
len = sizeof(fd_cmask);
|
|
error = sysctl(mib, 4, &fd_cmask, &len, NULL, 0);
|
|
if (error == 0) {
|
|
snprintf(umask, 4, "%03o", fd_cmask);
|
|
return (umask);
|
|
} else {
|
|
return ("-");
|
|
}
|
|
}
|