/src/open62541/plugins/crypto/ua_filestore_common.c
Line | Count | Source |
1 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
2 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
3 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
4 | | * |
5 | | * Copyright 2024 (c) Fraunhofer IOSB (Author: Noel Graf) |
6 | | */ |
7 | | |
8 | | #include "ua_filestore_common.h" |
9 | | |
10 | | #ifdef UA_ENABLE_ENCRYPTION |
11 | | |
12 | | #if defined(UA_ARCHITECTURE_POSIX) || defined(UA_ARCHITECTURE_WIN32) || defined(__APPLE__) |
13 | | |
14 | | #ifdef UA_ARCHITECTURE_WIN32 |
15 | | /* TODO: Replace with a proper dirname implementation. This is a just minimal |
16 | | * implementation working with correct input data. */ |
17 | | char * |
18 | | _UA_dirname_minimal(char *path) { |
19 | | if(path == NULL || *path == '\0') |
20 | | return "."; |
21 | | char *lastSlash = strrchr(path, '/'); |
22 | | if(lastSlash == NULL) |
23 | | return "."; |
24 | | *lastSlash = 0; |
25 | | return path; |
26 | | } |
27 | | #endif /* UA_ARCHITECTURE_WIN32 */ |
28 | | |
29 | | UA_StatusCode |
30 | 0 | readFileToByteString(const char *const path, UA_ByteString *data) { |
31 | 0 | if(path == NULL || data == NULL) |
32 | 0 | return UA_STATUSCODE_BADINTERNALERROR; |
33 | | |
34 | | /* Open the file */ |
35 | 0 | UA_FILE *fp = UA_fopen(path, "rb"); |
36 | 0 | if(!fp) |
37 | 0 | return UA_STATUSCODE_BADNOTFOUND; |
38 | | |
39 | | /* Get the file length, allocate the data and read */ |
40 | 0 | UA_fseek(fp, 0, UA_SEEK_END); |
41 | 0 | long fileSize = UA_ftell(fp); |
42 | 0 | if(fileSize < 0) { |
43 | 0 | UA_fclose(fp); |
44 | 0 | return UA_STATUSCODE_BADINTERNALERROR; |
45 | 0 | } |
46 | 0 | UA_StatusCode retval = UA_ByteString_allocBuffer(data, (size_t)fileSize); |
47 | 0 | if(retval == UA_STATUSCODE_GOOD) { |
48 | 0 | UA_fseek(fp, 0, UA_SEEK_SET); |
49 | 0 | size_t read = UA_fread(data->data, sizeof(UA_Byte), data->length * sizeof(UA_Byte), fp); |
50 | 0 | if(read != data->length) { |
51 | 0 | UA_ByteString_clear(data); |
52 | 0 | } |
53 | 0 | } else { |
54 | 0 | data->length = 0; |
55 | 0 | } |
56 | 0 | UA_fclose(fp); |
57 | |
|
58 | 0 | return UA_STATUSCODE_GOOD; |
59 | 0 | } |
60 | | |
61 | | UA_StatusCode |
62 | 0 | writeByteStringToFile(const char *const path, const UA_ByteString *data) { |
63 | 0 | UA_StatusCode retval = UA_STATUSCODE_GOOD; |
64 | | |
65 | | /* Open the file */ |
66 | 0 | UA_FILE *fp = UA_fopen(path, "wb"); |
67 | 0 | if(!fp) |
68 | 0 | return UA_STATUSCODE_BADINTERNALERROR; |
69 | | |
70 | | /* Write byte string to file */ |
71 | 0 | size_t len = UA_fwrite(data->data, sizeof(UA_Byte), data->length * sizeof(UA_Byte), fp); |
72 | 0 | if(len != data->length) |
73 | 0 | retval = UA_STATUSCODE_BADINTERNALERROR; |
74 | |
|
75 | 0 | UA_fclose(fp); |
76 | 0 | return retval; |
77 | 0 | } |
78 | | |
79 | | #endif /* defined(UA_ARCHITECTURE_POSIX) || defined(UA_ARCHITECTURE_WIN32) || defined(__APPLE__) */ |
80 | | |
81 | | #endif /* UA_ENABLE_ENCRYPTION */ |