1 /******************************************************************************
2 *
3 * Module Name: asluuid-- compiler UUID support
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2023, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #include "aslcompiler.h"
45
46 #define _COMPONENT ACPI_COMPILER
47 ACPI_MODULE_NAME ("asluuid")
48
49
50 extern UINT8 AcpiGbl_MapToUuidOffset[UUID_BUFFER_LENGTH];
51
52
53 /*******************************************************************************
54 *
55 * FUNCTION: AuValiduateUuid
56 *
57 * PARAMETERS: InString - 36-byte formatted UUID string
58 *
59 * RETURN: Status
60 *
61 * DESCRIPTION: Check all 36 characters for correct format
62 *
63 ******************************************************************************/
64
65 ACPI_STATUS
AuValidateUuid(char * InString)66 AuValidateUuid (
67 char *InString)
68 {
69 UINT32 i;
70
71
72 if (!InString || (strlen (InString) != UUID_STRING_LENGTH))
73 {
74 return (AE_BAD_PARAMETER);
75 }
76
77 /* Check all 36 characters for correct format */
78
79 for (i = 0; i < UUID_STRING_LENGTH; i++)
80 {
81 /* Must have 4 hyphens (dashes) in these positions: */
82
83 if ((i == UUID_HYPHEN1_OFFSET) ||
84 (i == UUID_HYPHEN2_OFFSET) ||
85 (i == UUID_HYPHEN3_OFFSET) ||
86 (i == UUID_HYPHEN4_OFFSET))
87 {
88 if (InString[i] != '-')
89 {
90 return (AE_BAD_PARAMETER);
91 }
92 }
93 else
94 {
95 /* All other positions must contain hex digits */
96
97 if (!isxdigit ((int) InString[i]))
98 {
99 return (AE_BAD_PARAMETER);
100 }
101 }
102 }
103
104 return (AE_OK);
105 }
106