1 /*- 2 * Copyright (c) 2004-2009 Apple Inc. 3 * Copyright (c) 2006 Martin Voros 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of Apple Inc. ("Apple") nor the names of 15 * its contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $P4: //depot/projects/trustedbsd/openbsm/bin/praudit/praudit.c#16 $ 31 */ 32 33 /* 34 * Tool used to parse audit records conforming to the BSM structure. 35 */ 36 37 /* 38 * praudit [-lnpx] [-r | -s] [-d del] [file ...] 39 */ 40 41 #include <bsm/libbsm.h> 42 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <unistd.h> 46 47 extern char *optarg; 48 extern int optind, optopt, opterr,optreset; 49 50 static char *del = ","; /* Default delimiter. */ 51 static int oneline = 0; 52 static int partial = 0; 53 static int oflags = AU_OFLAG_NONE; 54 55 static void 56 usage(void) 57 { 58 59 fprintf(stderr, "usage: praudit [-lnpx] [-r | -s] [-d del] " 60 "[file ...]\n"); 61 exit(1); 62 } 63 64 /* 65 * Token printing for each token type . 66 */ 67 static int 68 print_tokens(FILE *fp) 69 { 70 u_char *buf; 71 tokenstr_t tok; 72 int reclen; 73 int bytesread; 74 75 /* Allow tail -f | praudit to work. */ 76 if (partial) { 77 u_char type = 0; 78 /* Record must begin with a header token. */ 79 do { 80 type = fgetc(fp); 81 } while(type != AUT_HEADER32); 82 ungetc(type, fp); 83 } 84 85 while ((reclen = au_read_rec(fp, &buf)) != -1) { 86 bytesread = 0; 87 while (bytesread < reclen) { 88 /* Is this an incomplete record? */ 89 if (-1 == au_fetch_tok(&tok, buf + bytesread, 90 reclen - bytesread)) 91 break; 92 au_print_flags_tok(stdout, &tok, del, oflags); 93 bytesread += tok.len; 94 if (oneline) { 95 if (!(oflags & AU_OFLAG_XML)) 96 printf("%s", del); 97 } else 98 printf("\n"); 99 } 100 free(buf); 101 if (oneline) 102 printf("\n"); 103 fflush(stdout); 104 } 105 return (0); 106 } 107 108 int 109 main(int argc, char **argv) 110 { 111 int ch; 112 int i; 113 FILE *fp; 114 115 while ((ch = getopt(argc, argv, "d:lnprsx")) != -1) { 116 switch(ch) { 117 case 'd': 118 del = optarg; 119 break; 120 121 case 'l': 122 oneline = 1; 123 break; 124 125 case 'n': 126 oflags |= AU_OFLAG_NORESOLVE; 127 break; 128 129 case 'p': 130 partial = 1; 131 break; 132 133 case 'r': 134 if (oflags & AU_OFLAG_SHORT) 135 usage(); /* Exclusive from shortfrm. */ 136 oflags |= AU_OFLAG_RAW; 137 break; 138 139 case 's': 140 if (oflags & AU_OFLAG_RAW) 141 usage(); /* Exclusive from raw. */ 142 oflags |= AU_OFLAG_SHORT; 143 break; 144 145 case 'x': 146 oflags |= AU_OFLAG_XML; 147 break; 148 149 case '?': 150 default: 151 usage(); 152 } 153 } 154 155 if (oflags & AU_OFLAG_XML) 156 au_print_xml_header(stdout); 157 158 /* For each of the files passed as arguments dump the contents. */ 159 if (optind == argc) { 160 print_tokens(stdin); 161 return (1); 162 } 163 for (i = optind; i < argc; i++) { 164 fp = fopen(argv[i], "r"); 165 if ((fp == NULL) || (print_tokens(fp) == -1)) 166 perror(argv[i]); 167 if (fp != NULL) 168 fclose(fp); 169 } 170 171 if (oflags & AU_OFLAG_XML) 172 au_print_xml_footer(stdout); 173 174 return (1); 175 } 176