b6a05070fa
MFC after: 2 weeks Relnotes: yes
174 lines
4.0 KiB
C
174 lines
4.0 KiB
C
/*-
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* Copyright (c) 2004-2009 Apple Inc.
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* Copyright (c) 2006 Martin Voros
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* 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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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Tool used to parse audit records conforming to the BSM structure.
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*/
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/*
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* praudit [-lnpx] [-r | -s] [-d del] [file ...]
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*/
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#include <bsm/libbsm.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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extern char *optarg;
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extern int optind, optopt, opterr,optreset;
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static char *del = ","; /* Default delimiter. */
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static int oneline = 0;
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static int partial = 0;
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static int oflags = AU_OFLAG_NONE;
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static void
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usage(void)
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{
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fprintf(stderr, "usage: praudit [-lnpx] [-r | -s] [-d del] "
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"[file ...]\n");
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exit(1);
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}
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/*
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* Token printing for each token type .
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*/
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static int
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print_tokens(FILE *fp)
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{
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u_char *buf;
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tokenstr_t tok;
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int reclen;
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int bytesread;
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/* Allow tail -f | praudit to work. */
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if (partial) {
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u_char type = 0;
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/* Record must begin with a header token. */
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do {
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type = fgetc(fp);
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} while(type != AUT_HEADER32);
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ungetc(type, fp);
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}
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while ((reclen = au_read_rec(fp, &buf)) != -1) {
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bytesread = 0;
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while (bytesread < reclen) {
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/* Is this an incomplete record? */
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if (-1 == au_fetch_tok(&tok, buf + bytesread,
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reclen - bytesread))
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break;
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au_print_flags_tok(stdout, &tok, del, oflags);
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bytesread += tok.len;
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if (oneline) {
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if (!(oflags & AU_OFLAG_XML))
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printf("%s", del);
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} else
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printf("\n");
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}
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free(buf);
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if (oneline)
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printf("\n");
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fflush(stdout);
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}
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return (0);
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}
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int
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main(int argc, char **argv)
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{
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int ch;
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int i;
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FILE *fp;
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while ((ch = getopt(argc, argv, "d:lnprsx")) != -1) {
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switch(ch) {
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case 'd':
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del = optarg;
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break;
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case 'l':
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oneline = 1;
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break;
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case 'n':
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oflags |= AU_OFLAG_NORESOLVE;
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break;
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case 'p':
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partial = 1;
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break;
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case 'r':
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if (oflags & AU_OFLAG_SHORT)
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usage(); /* Exclusive from shortfrm. */
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oflags |= AU_OFLAG_RAW;
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break;
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case 's':
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if (oflags & AU_OFLAG_RAW)
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usage(); /* Exclusive from raw. */
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oflags |= AU_OFLAG_SHORT;
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break;
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case 'x':
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oflags |= AU_OFLAG_XML;
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break;
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case '?':
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default:
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usage();
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}
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}
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if (oflags & AU_OFLAG_XML)
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au_print_xml_header(stdout);
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/* For each of the files passed as arguments dump the contents. */
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if (optind == argc) {
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print_tokens(stdin);
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return (1);
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}
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for (i = optind; i < argc; i++) {
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fp = fopen(argv[i], "r");
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if ((fp == NULL) || (print_tokens(fp) == -1))
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perror(argv[i]);
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if (fp != NULL)
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fclose(fp);
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}
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if (oflags & AU_OFLAG_XML)
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au_print_xml_footer(stdout);
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return (1);
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}
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