1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include <stdio.h>
28#include <stdlib.h>
29#include <string.h>
30
31#include "list.h"
32#include "exception_list.h"
33#include "arch.h"
34
35/*
36 * This is global so that the protodir reading functions can rely on the
37 * exception list to weed out innocuous problems in the IHV gate.
38 */
39elem_list exception_list;
40
41#define	FS	" \t\n"
42
43static int
44parse_exception_line(char *line, elem_list *list)
45{
46	char	*name, *arch;
47	elem	*e;
48
49	if ((name = strtok(line, FS)) == NULL) {
50		/* don't complain; this is only a blank line */
51		return (0);
52	}
53
54	if ((arch = strtok(NULL, FS)) == NULL) {
55		arch = "all";
56	}
57
58	e = (elem *) malloc(sizeof (elem));
59
60	e->inode = 0;
61	e->perm = 0;
62	e->ref_cnt = 0;
63	e->flag = 0;
64	e->major = 0;
65	e->minor = 0;
66	e->link_parent = NULL;
67	e->link_sib = NULL;
68	e->symsrc = NULL;
69	e->file_type = DIR_T;
70
71	while ((e->arch = assign_arch(arch)) == NULL) {
72		if ((arch = strtok(NULL, FS)) == NULL) {
73			return (0);
74		}
75	}
76
77	(void) strcpy(e->name, name);
78	add_elem(list, e);
79
80	return (1);
81}
82
83int
84read_in_exceptions(const char *exception_file, int verbose)
85{
86	FILE	*except_fp;
87	char	buf[BUFSIZ];
88	int	count = 0;
89
90	exception_file = exception_file ? exception_file : EXCEPTION_FILE;
91
92	if (verbose) {
93		(void) printf("reading in exceptions from %s...\n",
94		    exception_file);
95	}
96
97	if ((except_fp = fopen(exception_file, "r")) == NULL) {
98		perror(exception_file);
99		return (0);
100	}
101	while (fgets(buf, BUFSIZ, except_fp)) {
102		if (buf[0] != '#')	/* allow for comments */
103			count += parse_exception_line(buf, &exception_list);
104	}
105	if (verbose)
106		(void) printf("read in %d exceptions...\n", count);
107
108	return (count);
109}
110