util.c revision 3089:8ddeb2ace8aa 
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 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#include <cryptoutil.h>
29#include <strings.h>
30#include <stdio.h>
31#include <tzfile.h>
32
33/*
34 * This function returns a fullpath based on the "dir" and "filepath" input
35 * arugments.
36 * - If the filepath specified does not start with a "/" and the directory
37 *   is also given, prepend the directory to the filename.
38 * - If only dir or filepath is given, this function returns a copy of the
39 *   given argument.
40 * - If the filepath is fully qualified already and the "dir" is also
41 *   given, return NULL to indicate an error.
42 */
43char *
44get_fullpath(char *dir, char *filepath)
45{
46	char *fullpath = NULL;
47	int pathlen = 0;
48	int dirlen = 0;
49
50	if (filepath != NULL)
51		pathlen = strlen(filepath);
52
53	if (dir != NULL)
54		dirlen = strlen(dir);
55
56	if (pathlen > 0 && dirlen > 0) {
57		if (filepath[0] != '/') {
58			int len = pathlen + dirlen + 2;
59			fullpath = (char *)malloc(len);
60			if (fullpath != NULL)
61				(void) snprintf(fullpath, len, "%s/%s",
62				    dir, filepath);
63		} else {
64			return (NULL);
65		}
66	} else if (pathlen > 0) {
67		fullpath = (char *)strdup(filepath);
68	} else if (dirlen > 0) {
69		fullpath = (char *)strdup(dir);
70	}
71
72	return (fullpath);
73}
74
75/*
76 * This function converts the input string to the value of time
77 * in seconds.
78 * - If the input string is NULL, return zero second.
79 * - The input string needs to be in the form of:
80 *   number-second(s), number-minute(s), number-hour(s) or
81 *   number-day(s).
82 */
83int
84str2lifetime(char *ltimestr, uint32_t *ltime)
85{
86	int num;
87	char timetok[10];
88
89	if (ltimestr == NULL || !strlen(ltimestr)) {
90		*ltime = 0;
91		return (0);
92	}
93
94	(void) memset(timetok, 0, sizeof (timetok));
95	if (sscanf(ltimestr, "%d-%08s", &num, timetok) != 2)
96		return (-1);
97
98	if (!strcasecmp(timetok, "second") ||
99		!strcasecmp(timetok, "seconds")) {
100		*ltime = num;
101	} else if (!strcasecmp(timetok, "minute") ||
102		!strcasecmp(timetok, "minutes")) {
103		*ltime = num * SECSPERMIN;
104	} else if (!strcasecmp(timetok, "day") ||
105	    !strcasecmp(timetok, "days")) {
106		*ltime = num * SECSPERDAY;
107	} else if (!strcasecmp(timetok, "hour") ||
108		!strcasecmp(timetok, "hours")) {
109		*ltime = num * SECSPERHOUR;
110	} else {
111		*ltime = 0;
112		return (-1);
113	}
114
115	return (0);
116}
117