1 /*- 2 * Copyright (c) 2004-2008 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 Computer, 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#14 $ 31 */ 32 33 /* 34 * Tool used to parse audit records conforming to the BSM structure. 35 */ 36 37 /* 38 * praudit [-lpx] [-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 raw = 0; 53 static int shortfrm = 0; 54 static int partial = 0; 55 static int xml = 0; 56 57 static void 58 usage(void) 59 { 60 61 fprintf(stderr, "usage: praudit [-lpx] [-r | -s] [-d del] " 62 "[file ...]\n"); 63 exit(1); 64 } 65 66 /* 67 * Token printing for each token type . 68 */ 69 static int 70 print_tokens(FILE *fp) 71 { 72 u_char *buf; 73 tokenstr_t tok; 74 int reclen; 75 int bytesread; 76 77 /* Allow tail -f | praudit to work. */ 78 if (partial) { 79 u_char type = 0; 80 /* Record must begin with a header token. */ 81 do { 82 type = fgetc(fp); 83 } while(type != AUT_HEADER32); 84 ungetc(type, fp); 85 } 86 87 while ((reclen = au_read_rec(fp, &buf)) != -1) { 88 bytesread = 0; 89 while (bytesread < reclen) { 90 /* Is this an incomplete record? */ 91 if (-1 == au_fetch_tok(&tok, buf + bytesread, 92 reclen - bytesread)) 93 break; 94 if (xml) 95 au_print_tok_xml(stdout, &tok, del, raw, 96 shortfrm); 97 else 98 au_print_tok(stdout, &tok, del, raw, 99 shortfrm); 100 bytesread += tok.len; 101 if (oneline) { 102 if (!xml) 103 printf("%s", del); 104 } else 105 printf("\n"); 106 } 107 free(buf); 108 if (oneline) 109 printf("\n"); 110 fflush(stdout); 111 } 112 return (0); 113 } 114 115 int 116 main(int argc, char **argv) 117 { 118 int ch; 119 int i; 120 FILE *fp; 121 122 while ((ch = getopt(argc, argv, "d:lprsx")) != -1) { 123 switch(ch) { 124 case 'd': 125 del = optarg; 126 break; 127 128 case 'l': 129 oneline = 1; 130 break; 131 132 case 'p': 133 partial = 1; 134 break; 135 136 case 'r': 137 if (shortfrm) 138 usage(); /* Exclusive from shortfrm. */ 139 raw = 1; 140 break; 141 142 case 's': 143 if (raw) 144 usage(); /* Exclusive from raw. */ 145 shortfrm = 1; 146 break; 147 148 case 'x': 149 xml = 1; 150 break; 151 152 case '?': 153 default: 154 usage(); 155 } 156 } 157 158 if (xml) 159 au_print_xml_header(stdout); 160 161 /* For each of the files passed as arguments dump the contents. */ 162 if (optind == argc) { 163 print_tokens(stdin); 164 return (1); 165 } 166 for (i = optind; i < argc; i++) { 167 fp = fopen(argv[i], "r"); 168 if ((fp == NULL) || (print_tokens(fp) == -1)) 169 perror(argv[i]); 170 if (fp != NULL) 171 fclose(fp); 172 } 173 174 if (xml) 175 au_print_xml_footer(stdout); 176 177 return (1); 178 } 179