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      1 /*	$NetBSD: portald.h,v 1.10 2009/12/05 20:11:02 pooka Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software donated to Berkeley by
      8  * Jan-Simon Pendry.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  *	from: Id: portald.h,v 1.1 1992/05/25 21:43:09 jsp Exp
     35  *	@(#)portald.h	8.1 (Berkeley) 6/5/93
     36  */
     37 
     38 #include <sys/cdefs.h>
     39 
     40 /*
     41  * Meta-chars in an RE.  Paths in the config file containing
     42  * any of these characters will be matched using regexec, other
     43  * paths will be prefix-matched.
     44  */
     45 #define RE_CHARS ".|()[]*+?\\^$"
     46 
     47 typedef struct qelem qelem;
     48 
     49 struct qelem {
     50 	qelem *q_forw;
     51 	qelem *q_back;
     52 };
     53 
     54 struct portal_cred {
     55 	int		pcr_flag;		/* File open mode */
     56 	uid_t		pcr_uid;		/* From cred */
     57 	gid_t		pcr_gid;		/* From cred */
     58 	uint16_t	pcr_ngroups;		/* From cred */
     59 	gid_t		pcr_groups[NGROUPS];	/* From cred */
     60 };
     61 
     62 typedef struct provider provider;
     63 struct provider {
     64 	const char *pr_match;
     65 	int (*pr_func)(struct portal_cred *,
     66 				char *key, char **v, int *fdp);
     67 };
     68 extern provider providers[];
     69 
     70 /*
     71  * Portal providers
     72  */
     73 extern int portal_exec(struct portal_cred *,
     74 				char *key, char **v, int *fdp);
     75 extern int portal_file(struct portal_cred *,
     76 				char *key, char **v, int *fdp);
     77 extern int portal_tcp(struct portal_cred *,
     78 				char *key, char **v, int *fdp);
     79 extern int portal_rfilter(struct portal_cred *,
     80 				char *key, char **v, int *fdp);
     81 extern int portal_wfilter(struct portal_cred *,
     82 				char *key, char **v, int *fdp);
     83 
     84 /*
     85  * Global functions
     86  */
     87 extern void activate(qelem *q, int so);
     88 extern int activate_argv(struct portal_cred *, char *, char **, int *);
     89 extern char **conf_match(qelem *q, char *key);
     90 extern int conf_read(qelem *q, const char *conf);
     91 extern int lose_credentials(struct portal_cred *);
     92