1.\"- 2.\" Copyright (c) 2005 Robert N. M. Watson 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $P4: //depot/projects/trustedbsd/openbsm/libbsm/au_io.3#2 $ 27.\" 28.Dd April 19, 2005 29.Dt AU_IO 3 30.Os 31.Sh NAME 32.Nm au_fetch_tok , 33.Nm au_print_tok , 34.Nm au_read_rec 35.Nd "Perform I/O involving an audit record" 36.Sh LIBRARY 37.Lb libbsm 38.Sh SYNOPSIS 39.In libbsm.h 40.Ft int 41.Fn au_fetch_tok "tokenstr_t *tok" "u_char *buf" "int len" 42.Ft void 43.Fn au_print_tok "FILE outfp" "tokenstr_t *tok" "char *del" "char raw" "char sfrm" 44.Ft int 45.Fn au_read_rec "FILE *fp" "u_char **buf" 46.Sh DESCRIPTION 47These interfaces support input and output (I/O) involving audit records, 48internalizing an audit record from a byte stream, converting a token to 49either a raw or default string, and reading a single record from a file. 50.Pp 51.Fn au_fetch_tok 52reads a token from the passed buffer 53.Va buf 54of length 55.Va len 56bytes, and returns a pointer to the token via 57.Va tok . 58.Pp 59.Fn au_print_tok 60prints a string form of the token 61.Va tok 62to the file output stream 63.Va outfp, 64either in default mode, or raw mode if 65.Va raw 66is set non-zero. 67The delimiter 68.Va del 69is used when printing. 70.Pp 71.Fn au_read_rec 72reads an audit record from the file stream 73.Va fp , 74and returns an allocated memory buffer containing the record via 75.Va *buf , 76which must be freed by the caller using 77.Xr free 3 . 78.Pp 79A typical use of these routines might open a file with 80.Xr fopen 3 , 81then read records from the file sequentially by calling 82.Fn au_read_rec . 83Each record would be broken down into components tokens through sequential 84calls to 85.Fn au_fetch_tok 86on the buffer, and then invoking 87.Fn au_print_tok 88to print each token to an output stream such as 89.Dv stdout . 90On completion of the processing of each record, a call to 91.Xr free 3 92would be used to free the record buffer. 93Finally, the source stream would be closed by a call to 94.Xr fclose 3 . 95.Sh RETURN VALUES 96.Fn au_fetch_tok 97and 98.Fn au_read_rec 99return 0 on success, or -1 on failure along with additional error information 100returned via 101.Va errno . 102.Sh SEE ALSO 103.Xr free 3 , 104.Xr libbsm 3 105.Sh AUTHORS 106This software was created by Robert Watson, Wayne Salamon, and Suresh 107Krishnaswamy for McAfee Research, the security research division of McAfee, 108Inc., under contract to Apple Computer, Inc. 109.Pp 110The Basic Security Module (BSM) interface to audit records and audit event 111stream format were defined by Sun Microsystems. 112.Sh HISTORY 113The OpenBSM implementation was created by McAfee Research, the security 114division of McAfee Inc., under contract to Apple Computer, Inc., in 2004. 115It was subsequently adopted by the TrustedBSD Project as the foundation for 116the OpenBSM distribution. 117.Sh BUGS 118.Va errno 119may not always be properly set in the event of an error. 120