3a88ae96e3
For now, only enter the sandbox for the last file processed (including stdin for zero-argument mode). Sandboxing all inputs will require a little restructuring of the program. Feedback by: emaste@ (earlier versions) Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D7915
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1989, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)hexdump.c 8.1 (Berkeley) 6/6/93";
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#endif
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#endif /* not lint */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/capsicum.h>
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#include <capsicum_helpers.h>
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#include <err.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "hexdump.h"
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FS *fshead; /* head of format strings */
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int blocksize; /* data block size */
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int exitval; /* final exit value */
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int length = -1; /* max bytes to read */
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int
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main(int argc, char *argv[])
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{
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FS *tfs;
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char *p;
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(void)setlocale(LC_ALL, "");
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if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
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newsyntax(argc, &argv);
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else
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oldsyntax(argc, &argv);
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/* figure out the data block size */
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for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
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tfs->bcnt = size(tfs);
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if (blocksize < tfs->bcnt)
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blocksize = tfs->bcnt;
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}
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/* rewrite the rules, do syntax checking */
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for (tfs = fshead; tfs; tfs = tfs->nextfs)
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rewrite(tfs);
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/*
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* Cache NLS data, for strerror, for err(3), before entering capability
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* mode.
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*/
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caph_cache_catpages();
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if (caph_limit_stdio() < 0)
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err(1, "capsicum");
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(void)next(argv);
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display();
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exit(exitval);
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}
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