10d02842fSSascha Wildner /******************************************************************************
20d02842fSSascha Wildner *
30d02842fSSascha Wildner * Module Name: osunixdir - Unix directory access interfaces
40d02842fSSascha Wildner *
50d02842fSSascha Wildner *****************************************************************************/
60d02842fSSascha Wildner
7b4315fc7SSascha Wildner /******************************************************************************
8b4315fc7SSascha Wildner *
9b4315fc7SSascha Wildner * 1. Copyright Notice
10b4315fc7SSascha Wildner *
11*383048acSSascha Wildner * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
120d02842fSSascha Wildner * All rights reserved.
130d02842fSSascha Wildner *
14b4315fc7SSascha Wildner * 2. License
15b4315fc7SSascha Wildner *
16b4315fc7SSascha Wildner * 2.1. This is your license from Intel Corp. under its intellectual property
17b4315fc7SSascha Wildner * rights. You may have additional license terms from the party that provided
18b4315fc7SSascha Wildner * you this software, covering your right to use that party's intellectual
19b4315fc7SSascha Wildner * property rights.
20b4315fc7SSascha Wildner *
21b4315fc7SSascha Wildner * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22b4315fc7SSascha Wildner * copy of the source code appearing in this file ("Covered Code") an
23b4315fc7SSascha Wildner * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24b4315fc7SSascha Wildner * base code distributed originally by Intel ("Original Intel Code") to copy,
25b4315fc7SSascha Wildner * make derivatives, distribute, use and display any portion of the Covered
26b4315fc7SSascha Wildner * Code in any form, with the right to sublicense such rights; and
27b4315fc7SSascha Wildner *
28b4315fc7SSascha Wildner * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29b4315fc7SSascha Wildner * license (with the right to sublicense), under only those claims of Intel
30b4315fc7SSascha Wildner * patents that are infringed by the Original Intel Code, to make, use, sell,
31b4315fc7SSascha Wildner * offer to sell, and import the Covered Code and derivative works thereof
32b4315fc7SSascha Wildner * solely to the minimum extent necessary to exercise the above copyright
33b4315fc7SSascha Wildner * license, and in no event shall the patent license extend to any additions
34b4315fc7SSascha Wildner * to or modifications of the Original Intel Code. No other license or right
35b4315fc7SSascha Wildner * is granted directly or by implication, estoppel or otherwise;
36b4315fc7SSascha Wildner *
37b4315fc7SSascha Wildner * The above copyright and patent license is granted only if the following
38b4315fc7SSascha Wildner * conditions are met:
39b4315fc7SSascha Wildner *
40b4315fc7SSascha Wildner * 3. Conditions
41b4315fc7SSascha Wildner *
42b4315fc7SSascha Wildner * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
44b4315fc7SSascha Wildner * Code or modification with rights to further distribute source must include
45b4315fc7SSascha Wildner * the above Copyright Notice, the above License, this list of Conditions,
46b4315fc7SSascha Wildner * and the following Disclaimer and Export Compliance provision. In addition,
47b4315fc7SSascha Wildner * Licensee must cause all Covered Code to which Licensee contributes to
48b4315fc7SSascha Wildner * contain a file documenting the changes Licensee made to create that Covered
49b4315fc7SSascha Wildner * Code and the date of any change. Licensee must include in that file the
50b4315fc7SSascha Wildner * documentation of any changes made by any predecessor Licensee. Licensee
51b4315fc7SSascha Wildner * must include a prominent statement that the modification is derived,
52b4315fc7SSascha Wildner * directly or indirectly, from Original Intel Code.
53b4315fc7SSascha Wildner *
54b4315fc7SSascha Wildner * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
56b4315fc7SSascha Wildner * Code or modification without rights to further distribute source must
57b4315fc7SSascha Wildner * include the following Disclaimer and Export Compliance provision in the
58b4315fc7SSascha Wildner * documentation and/or other materials provided with distribution. In
59b4315fc7SSascha Wildner * addition, Licensee may not authorize further sublicense of source of any
60b4315fc7SSascha Wildner * portion of the Covered Code, and must include terms to the effect that the
61b4315fc7SSascha Wildner * license from Licensee to its licensee is limited to the intellectual
62b4315fc7SSascha Wildner * property embodied in the software Licensee provides to its licensee, and
63b4315fc7SSascha Wildner * not to intellectual property embodied in modifications its licensee may
64b4315fc7SSascha Wildner * make.
65b4315fc7SSascha Wildner *
66b4315fc7SSascha Wildner * 3.3. Redistribution of Executable. Redistribution in executable form of any
67b4315fc7SSascha Wildner * substantial portion of the Covered Code or modification must reproduce the
68b4315fc7SSascha Wildner * above Copyright Notice, and the following Disclaimer and Export Compliance
69b4315fc7SSascha Wildner * provision in the documentation and/or other materials provided with the
70b4315fc7SSascha Wildner * distribution.
71b4315fc7SSascha Wildner *
72b4315fc7SSascha Wildner * 3.4. Intel retains all right, title, and interest in and to the Original
73b4315fc7SSascha Wildner * Intel Code.
74b4315fc7SSascha Wildner *
75b4315fc7SSascha Wildner * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76b4315fc7SSascha Wildner * Intel shall be used in advertising or otherwise to promote the sale, use or
77b4315fc7SSascha Wildner * other dealings in products derived from or relating to the Covered Code
78b4315fc7SSascha Wildner * without prior written authorization from Intel.
79b4315fc7SSascha Wildner *
80b4315fc7SSascha Wildner * 4. Disclaimer and Export Compliance
81b4315fc7SSascha Wildner *
82b4315fc7SSascha Wildner * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83b4315fc7SSascha Wildner * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84b4315fc7SSascha Wildner * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85b4315fc7SSascha Wildner * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86b4315fc7SSascha Wildner * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87b4315fc7SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88b4315fc7SSascha Wildner * PARTICULAR PURPOSE.
89b4315fc7SSascha Wildner *
90b4315fc7SSascha Wildner * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91b4315fc7SSascha Wildner * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92b4315fc7SSascha Wildner * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93b4315fc7SSascha Wildner * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94b4315fc7SSascha Wildner * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95b4315fc7SSascha Wildner * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96b4315fc7SSascha Wildner * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97b4315fc7SSascha Wildner * LIMITED REMEDY.
98b4315fc7SSascha Wildner *
99b4315fc7SSascha Wildner * 4.3. Licensee shall not export, either directly or indirectly, any of this
100b4315fc7SSascha Wildner * software or system incorporating such software without first obtaining any
101b4315fc7SSascha Wildner * required license or other approval from the U. S. Department of Commerce or
102b4315fc7SSascha Wildner * any other agency or department of the United States Government. In the
103b4315fc7SSascha Wildner * event Licensee exports any such software from the United States or
104b4315fc7SSascha Wildner * re-exports any such software from a foreign destination, Licensee shall
105b4315fc7SSascha Wildner * ensure that the distribution and export/re-export of the software is in
106b4315fc7SSascha Wildner * compliance with all laws, regulations, orders, or other restrictions of the
107b4315fc7SSascha Wildner * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108b4315fc7SSascha Wildner * any of its subsidiaries will export/re-export any technical data, process,
109b4315fc7SSascha Wildner * software, or service, directly or indirectly, to any country for which the
110b4315fc7SSascha Wildner * United States government or any agency thereof requires an export license,
111b4315fc7SSascha Wildner * other governmental approval, or letter of assurance, without first obtaining
112b4315fc7SSascha Wildner * such license, approval or letter.
113b4315fc7SSascha Wildner *
114b4315fc7SSascha Wildner *****************************************************************************
115b4315fc7SSascha Wildner *
116b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
117b4315fc7SSascha Wildner * following license:
118b4315fc7SSascha Wildner *
1190d02842fSSascha Wildner * Redistribution and use in source and binary forms, with or without
1200d02842fSSascha Wildner * modification, are permitted provided that the following conditions
1210d02842fSSascha Wildner * are met:
1220d02842fSSascha Wildner * 1. Redistributions of source code must retain the above copyright
1230d02842fSSascha Wildner * notice, this list of conditions, and the following disclaimer,
1240d02842fSSascha Wildner * without modification.
1250d02842fSSascha Wildner * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1260d02842fSSascha Wildner * substantially similar to the "NO WARRANTY" disclaimer below
1270d02842fSSascha Wildner * ("Disclaimer") and any redistribution must be conditioned upon
1280d02842fSSascha Wildner * including a substantially similar Disclaimer requirement for further
1290d02842fSSascha Wildner * binary redistribution.
1300d02842fSSascha Wildner * 3. Neither the names of the above-listed copyright holders nor the names
1310d02842fSSascha Wildner * of any contributors may be used to endorse or promote products derived
1320d02842fSSascha Wildner * from this software without specific prior written permission.
1330d02842fSSascha Wildner *
134b4315fc7SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135b4315fc7SSascha Wildner * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136b4315fc7SSascha Wildner * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137b4315fc7SSascha Wildner * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138b4315fc7SSascha Wildner * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139b4315fc7SSascha Wildner * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140b4315fc7SSascha Wildner * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141b4315fc7SSascha Wildner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142b4315fc7SSascha Wildner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143b4315fc7SSascha Wildner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144b4315fc7SSascha Wildner * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145b4315fc7SSascha Wildner *
146b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
1470d02842fSSascha Wildner * GNU General Public License ("GPL") version 2 as published by the Free
1480d02842fSSascha Wildner * Software Foundation.
1490d02842fSSascha Wildner *
150b4315fc7SSascha Wildner *****************************************************************************/
1510d02842fSSascha Wildner
152d4972a9cSSascha Wildner #include "acpi.h"
1530d02842fSSascha Wildner
1540d02842fSSascha Wildner #include <stdio.h>
1550d02842fSSascha Wildner #include <stdlib.h>
1560d02842fSSascha Wildner #include <string.h>
1570d02842fSSascha Wildner #include <dirent.h>
1580d02842fSSascha Wildner #include <fnmatch.h>
1590d02842fSSascha Wildner #include <ctype.h>
1600d02842fSSascha Wildner #include <sys/stat.h>
1610d02842fSSascha Wildner
1620d02842fSSascha Wildner /*
1630d02842fSSascha Wildner * Allocated structure returned from OsOpenDirectory
1640d02842fSSascha Wildner */
1650d02842fSSascha Wildner typedef struct ExternalFindInfo
1660d02842fSSascha Wildner {
1670d02842fSSascha Wildner char *DirPathname;
1680d02842fSSascha Wildner DIR *DirPtr;
1690d02842fSSascha Wildner char temp_buffer[256];
1700d02842fSSascha Wildner char *WildcardSpec;
1710d02842fSSascha Wildner char RequestedFileType;
1720d02842fSSascha Wildner
1730d02842fSSascha Wildner } EXTERNAL_FIND_INFO;
1740d02842fSSascha Wildner
1750d02842fSSascha Wildner
1760d02842fSSascha Wildner /*******************************************************************************
1770d02842fSSascha Wildner *
1780d02842fSSascha Wildner * FUNCTION: AcpiOsOpenDirectory
1790d02842fSSascha Wildner *
1800d02842fSSascha Wildner * PARAMETERS: DirPathname - Full pathname to the directory
1810d02842fSSascha Wildner * WildcardSpec - string of the form "*.c", etc.
1820d02842fSSascha Wildner *
1830d02842fSSascha Wildner * RETURN: A directory "handle" to be used in subsequent search operations.
1840d02842fSSascha Wildner * NULL returned on failure.
1850d02842fSSascha Wildner *
1860d02842fSSascha Wildner * DESCRIPTION: Open a directory in preparation for a wildcard search
1870d02842fSSascha Wildner *
1880d02842fSSascha Wildner ******************************************************************************/
1890d02842fSSascha Wildner
1900d02842fSSascha Wildner void *
AcpiOsOpenDirectory(char * DirPathname,char * WildcardSpec,char RequestedFileType)1910d02842fSSascha Wildner AcpiOsOpenDirectory (
1920d02842fSSascha Wildner char *DirPathname,
1930d02842fSSascha Wildner char *WildcardSpec,
1940d02842fSSascha Wildner char RequestedFileType)
1950d02842fSSascha Wildner {
1960d02842fSSascha Wildner EXTERNAL_FIND_INFO *ExternalInfo;
1970d02842fSSascha Wildner DIR *dir;
1980d02842fSSascha Wildner
1990d02842fSSascha Wildner
2000d02842fSSascha Wildner /* Allocate the info struct that will be returned to the caller */
2010d02842fSSascha Wildner
2020d02842fSSascha Wildner ExternalInfo = calloc (1, sizeof (EXTERNAL_FIND_INFO));
2030d02842fSSascha Wildner if (!ExternalInfo)
2040d02842fSSascha Wildner {
2050d02842fSSascha Wildner return (NULL);
2060d02842fSSascha Wildner }
2070d02842fSSascha Wildner
2080d02842fSSascha Wildner /* Get the directory stream */
2090d02842fSSascha Wildner
2100d02842fSSascha Wildner dir = opendir (DirPathname);
2110d02842fSSascha Wildner if (!dir)
2120d02842fSSascha Wildner {
2130d02842fSSascha Wildner fprintf (stderr, "Cannot open directory - %s\n", DirPathname);
2140d02842fSSascha Wildner free (ExternalInfo);
2150d02842fSSascha Wildner return (NULL);
2160d02842fSSascha Wildner }
2170d02842fSSascha Wildner
2180d02842fSSascha Wildner /* Save the info in the return structure */
2190d02842fSSascha Wildner
2200d02842fSSascha Wildner ExternalInfo->WildcardSpec = WildcardSpec;
2210d02842fSSascha Wildner ExternalInfo->RequestedFileType = RequestedFileType;
2220d02842fSSascha Wildner ExternalInfo->DirPathname = DirPathname;
2230d02842fSSascha Wildner ExternalInfo->DirPtr = dir;
2240d02842fSSascha Wildner return (ExternalInfo);
2250d02842fSSascha Wildner }
2260d02842fSSascha Wildner
2270d02842fSSascha Wildner
2280d02842fSSascha Wildner /*******************************************************************************
2290d02842fSSascha Wildner *
2300d02842fSSascha Wildner * FUNCTION: AcpiOsGetNextFilename
2310d02842fSSascha Wildner *
2320d02842fSSascha Wildner * PARAMETERS: DirHandle - Created via AcpiOsOpenDirectory
2330d02842fSSascha Wildner *
2340d02842fSSascha Wildner * RETURN: Next filename matched. NULL if no more matches.
2350d02842fSSascha Wildner *
2360d02842fSSascha Wildner * DESCRIPTION: Get the next file in the directory that matches the wildcard
2370d02842fSSascha Wildner * specification.
2380d02842fSSascha Wildner *
2390d02842fSSascha Wildner ******************************************************************************/
2400d02842fSSascha Wildner
2410d02842fSSascha Wildner char *
AcpiOsGetNextFilename(void * DirHandle)2420d02842fSSascha Wildner AcpiOsGetNextFilename (
2430d02842fSSascha Wildner void *DirHandle)
2440d02842fSSascha Wildner {
2450d02842fSSascha Wildner EXTERNAL_FIND_INFO *ExternalInfo = DirHandle;
2460d02842fSSascha Wildner struct dirent *dir_entry;
2470d02842fSSascha Wildner char *temp_str;
2480d02842fSSascha Wildner int str_len;
2490d02842fSSascha Wildner struct stat temp_stat;
2500d02842fSSascha Wildner int err;
2510d02842fSSascha Wildner
2520d02842fSSascha Wildner
2530d02842fSSascha Wildner while ((dir_entry = readdir (ExternalInfo->DirPtr)))
2540d02842fSSascha Wildner {
2550d02842fSSascha Wildner if (!fnmatch (ExternalInfo->WildcardSpec, dir_entry->d_name, 0))
2560d02842fSSascha Wildner {
2570d02842fSSascha Wildner if (dir_entry->d_name[0] == '.')
2580d02842fSSascha Wildner {
2590d02842fSSascha Wildner continue;
2600d02842fSSascha Wildner }
2610d02842fSSascha Wildner
2620d02842fSSascha Wildner str_len = strlen (dir_entry->d_name) +
2630d02842fSSascha Wildner strlen (ExternalInfo->DirPathname) + 2;
2640d02842fSSascha Wildner
2650d02842fSSascha Wildner temp_str = calloc (str_len, 1);
2660d02842fSSascha Wildner if (!temp_str)
2670d02842fSSascha Wildner {
2680d02842fSSascha Wildner fprintf (stderr,
2690d02842fSSascha Wildner "Could not allocate buffer for temporary string\n");
2700d02842fSSascha Wildner return (NULL);
2710d02842fSSascha Wildner }
2720d02842fSSascha Wildner
2730d02842fSSascha Wildner strcpy (temp_str, ExternalInfo->DirPathname);
2740d02842fSSascha Wildner strcat (temp_str, "/");
2750d02842fSSascha Wildner strcat (temp_str, dir_entry->d_name);
2760d02842fSSascha Wildner
2770d02842fSSascha Wildner err = stat (temp_str, &temp_stat);
2780d02842fSSascha Wildner if (err == -1)
2790d02842fSSascha Wildner {
2800d02842fSSascha Wildner fprintf (stderr,
2810d02842fSSascha Wildner "Cannot stat file (should not happen) - %s\n",
2820d02842fSSascha Wildner temp_str);
2830d02842fSSascha Wildner free (temp_str);
2840d02842fSSascha Wildner return (NULL);
2850d02842fSSascha Wildner }
2860d02842fSSascha Wildner
2870d02842fSSascha Wildner free (temp_str);
2880d02842fSSascha Wildner
2890d02842fSSascha Wildner if ((S_ISDIR (temp_stat.st_mode)
2900d02842fSSascha Wildner && (ExternalInfo->RequestedFileType == REQUEST_DIR_ONLY))
2910d02842fSSascha Wildner ||
2920d02842fSSascha Wildner ((!S_ISDIR (temp_stat.st_mode)
2930d02842fSSascha Wildner && ExternalInfo->RequestedFileType == REQUEST_FILE_ONLY)))
2940d02842fSSascha Wildner {
2950d02842fSSascha Wildner /* copy to a temp buffer because dir_entry struct is on the stack */
2960d02842fSSascha Wildner
2970d02842fSSascha Wildner strcpy (ExternalInfo->temp_buffer, dir_entry->d_name);
2980d02842fSSascha Wildner return (ExternalInfo->temp_buffer);
2990d02842fSSascha Wildner }
3000d02842fSSascha Wildner }
3010d02842fSSascha Wildner }
3020d02842fSSascha Wildner
3030d02842fSSascha Wildner return (NULL);
3040d02842fSSascha Wildner }
3050d02842fSSascha Wildner
3060d02842fSSascha Wildner
3070d02842fSSascha Wildner /*******************************************************************************
3080d02842fSSascha Wildner *
3090d02842fSSascha Wildner * FUNCTION: AcpiOsCloseDirectory
3100d02842fSSascha Wildner *
3110d02842fSSascha Wildner * PARAMETERS: DirHandle - Created via AcpiOsOpenDirectory
3120d02842fSSascha Wildner *
3130d02842fSSascha Wildner * RETURN: None.
3140d02842fSSascha Wildner *
3150d02842fSSascha Wildner * DESCRIPTION: Close the open directory and cleanup.
3160d02842fSSascha Wildner *
3170d02842fSSascha Wildner ******************************************************************************/
3180d02842fSSascha Wildner
3190d02842fSSascha Wildner void
AcpiOsCloseDirectory(void * DirHandle)3200d02842fSSascha Wildner AcpiOsCloseDirectory (
3210d02842fSSascha Wildner void *DirHandle)
3220d02842fSSascha Wildner {
3230d02842fSSascha Wildner EXTERNAL_FIND_INFO *ExternalInfo = DirHandle;
3240d02842fSSascha Wildner
3250d02842fSSascha Wildner
3260d02842fSSascha Wildner /* Close the directory and free allocations */
3270d02842fSSascha Wildner
3280d02842fSSascha Wildner closedir (ExternalInfo->DirPtr);
3290d02842fSSascha Wildner free (DirHandle);
3300d02842fSSascha Wildner }
331