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freebsd/usr.sbin/getpmac/getpmac.c
Xin LI 3e7cb94c9c WARNS?=6 cleanup for [gs]et[fp]mac:
- Constify structure members that should not be changed
	  during process.
	- Apply static where needed
	- signed/unsigned madness
	- Bump WARNS?= levels from 2 to 6

(this is a diff reduction for a subsequent commit against these
Makefile's)
2005-01-27 14:44:39 +00:00

128 lines
3.2 KiB
C

/*-
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by Network
* Associates Laboratories, the Security Research Division of Network
* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
* ("CBOSS"), as part of the DARPA CHATS research program.
*
* 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.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* 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/types.h>
#include <sys/mac.h>
#include <err.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#define MAXELEMENTS 32
static void
usage(void)
{
fprintf(stderr, "getpmac [-l list,of,labels] [-p pid]\n");
exit (EX_USAGE);
}
int
main(int argc, char *argv[])
{
char *labellist, *string;
mac_t label;
pid_t pid;
int ch, error, pid_set;
pid_set = 0;
pid = 0;
labellist = NULL;
while ((ch = getopt(argc, argv, "l:p:")) != -1) {
switch (ch) {
case 'l':
if (labellist != NULL)
usage();
labellist = argv[optind - 1];
break;
case 'p':
if (pid_set)
usage();
pid = atoi(argv[optind - 1]);
pid_set = 1;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 0)
usage();
if (labellist != NULL)
error = mac_prepare(&label, labellist);
else
error = mac_prepare_process_label(&label);
if (error != 0) {
perror("mac_prepare");
return (-1);
}
if (pid_set) {
error = mac_get_pid(pid, label);
if (error)
perror("mac_get_pid");
}
else {
error = mac_get_proc(label);
if (error)
perror("mac_get_proc");
}
if (error) {
mac_free(label);
exit (-1);
}
error = mac_to_text(label, &string);
if (error != 0) {
perror("mac_to_text");
exit(EX_DATAERR);
}
printf("%s\n", string);
mac_free(label);
free(string);
exit(EX_OK);
}