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AU_IO(3) FreeBSD Library Functions Manual AU_IO(3) NAME au_fetch_tok, au_print_tok, au_read_rec -- Perform I/O involving an audit record LIBRARY Basic Security Module User Library (libbsm, -lbsm) SYNOPSIS #include <libbsm.h> int au_fetch_tok(tokenstr_t *tok, u_char *buf, int len); void au_print_tok(FILE outfp, tokenstr_t *tok, char *del, char raw, char sfrm); int au_read_rec(FILE *fp, u_char **buf); DESCRIPTION These interfaces support input and output (I/O) involving audit records, internalizing an audit record from a byte stream, converting a token to either a raw or default string, and reading a single record from a file. au_fetch_tok() reads a token from the passed buffer buf of length len bytes, and returns a pointer to the token via tok. au_print_tok() prints a string form of the token tok to the file output stream outfp, either in default mode, or raw mode if raw is set non-zero. The delimiter del is used when printing. au_read_rec() reads an audit record from the file stream fp, and returns an allocated memory buffer containing the record via *buf, which must be freed by the caller using free(3). A typical use of these routines might open a file with fopen(3), then read records from the file sequentially by calling au_read_rec(). Each record would be broken down into components tokens through sequential calls to au_fetch_tok() on the buffer, and then invoking au_print_tok() to print each token to an output stream such as stdout. On completion of the processing of each record, a call to free(3) would be used to free the record buffer. Finally, the source stream would be closed by a call to fclose(3). RETURN VALUES au_fetch_tok() and au_read_rec() return 0 on success, or -1 on failure along with additional error information returned via errno. SEE ALSO free(3), libbsm(3) AUTHORS This software was created by Robert Watson, Wayne Salamon, and Suresh Krishnaswamy for McAfee Research, the security research division of McAfee, Inc., under contract to Apple Computer, Inc. The Basic Security Module (BSM) interface to audit records and audit event stream format were defined by Sun Microsystems. HISTORY The OpenBSM implementation was created by McAfee Research, the security division of McAfee Inc., under contract to Apple Computer, Inc., in 2004. It was subsequently adopted by the TrustedBSD Project as the foundation for the OpenBSM distribution. BUGS errno may not always be properly set in the event of an error. FreeBSD 6.2 April 19, 2005 FreeBSD 6.2
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | AUTHORS | HISTORY | BUGS
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