1.\" Copyright (c) 2004, 2006 Kungliga Tekniska Högskolan 2.\" (Royal Institute of Technology, Stockholm, Sweden). 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.\" 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" 3. Neither the name of the Institute nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" $Id$ 33.\" 34.Dd May 12, 2006 35.Dt KRB5_ACL_MATCH_FILE 3 36.Os HEIMDAL 37.Sh NAME 38.Nm krb5_acl_match_file , 39.Nm krb5_acl_match_string 40.Nd ACL matching functions 41.Sh LIBRARY 42Kerberos 5 Library (libkrb5, -lkrb5) 43.Sh SYNOPSIS 44.Ft krb5_error_code 45.Fo krb5_acl_match_file 46.Fa "krb5_context context" 47.Fa "const char *file" 48.Fa "const char *format" 49.Fa "..." 50.Fc 51.Ft krb5_error_code 52.Fo krb5_acl_match_string 53.Fa "krb5_context context" 54.Fa "const char *string" 55.Fa "const char *format" 56.Fa "..." 57.Fc 58.Sh DESCRIPTION 59.Nm krb5_acl_match_file 60matches ACL format against each line in a file. 61Lines starting with # are treated like comments and ignored. 62.Pp 63.Nm krb5_acl_match_string 64matches ACL format against a string. 65.Pp 66The ACL format has three format specifiers: s, f, and r. 67Each specifier will retrieve one argument from the variable arguments 68for either matching or storing data. 69The input string is split up using " " and "\et" as a delimiter; multiple 70" " and "\et" in a row are considered to be the same. 71.Pp 72.Bl -tag -width "fXX" -offset indent 73.It s 74Matches a string using 75.Xr strcmp 3 76(case sensitive). 77.It f 78Matches the string with 79.Xr fnmatch 3 . 80The 81.Fa flags 82argument (the last argument) passed to the fnmatch function is 0. 83.It r 84Returns a copy of the string in the char ** passed in; the copy must be 85freed with 86.Xr free 3 . 87There is no need to 88.Xr free 3 89the string on error: the function will clean up and set the pointer to 90.Dv NULL . 91.El 92.Pp 93All unknown format specifiers cause an error. 94.Sh EXAMPLES 95.Bd -literal -offset indent 96char *s; 97 98ret = krb5_acl_match_string(context, "foo", "s", "foo"); 99if (ret) 100 krb5_errx(context, 1, "acl didn't match"); 101ret = krb5_acl_match_string(context, "foo foo baz/kaka", 102 "ss", "foo", &s, "foo/*"); 103if (ret) { 104 /* no need to free(s) on error */ 105 assert(s == NULL); 106 krb5_errx(context, 1, "acl didn't match"); 107} 108free(s); 109.Ed 110.Sh SEE ALSO 111.Xr krb5 3 112