]>
Commit | Line | Data |
---|---|---|
16485a3a RL |
1 | /* |
2 | * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #include "apps.h" | |
11 | #include "app_params.h" | |
12 | ||
13 | static int describe_param_type(char *buf, size_t bufsz, const OSSL_PARAM *param) | |
14 | { | |
15 | const char *type_mod = ""; | |
16 | const char *type = NULL; | |
17 | int show_type_number = 0; | |
18 | int printed_len; | |
19 | ||
20 | switch (param->data_type) { | |
21 | case OSSL_PARAM_UNSIGNED_INTEGER: | |
22 | type_mod = "unsigned "; | |
23 | /* FALLTHRU */ | |
24 | case OSSL_PARAM_INTEGER: | |
25 | type = "integer"; | |
26 | break; | |
27 | case OSSL_PARAM_UTF8_PTR: | |
28 | type_mod = "pointer to a "; | |
29 | /* FALLTHRU */ | |
30 | case OSSL_PARAM_UTF8_STRING: | |
31 | type = "UTF8 encoded string"; | |
32 | break; | |
33 | case OSSL_PARAM_OCTET_PTR: | |
34 | type_mod = "pointer to an "; | |
35 | /* FALLTHRU */ | |
36 | case OSSL_PARAM_OCTET_STRING: | |
37 | type = "octet string"; | |
38 | break; | |
39 | default: | |
40 | type = "unknown type"; | |
41 | show_type_number = 1; | |
42 | break; | |
43 | } | |
44 | ||
45 | printed_len = BIO_snprintf(buf, bufsz, "%s: ", param->key); | |
46 | if (printed_len > 0) { | |
47 | buf += printed_len; | |
48 | bufsz -= printed_len; | |
49 | } | |
50 | printed_len = BIO_snprintf(buf, bufsz, "%s%s", type_mod, type); | |
51 | if (printed_len > 0) { | |
52 | buf += printed_len; | |
53 | bufsz -= printed_len; | |
54 | } | |
55 | if (show_type_number) { | |
56 | printed_len = BIO_snprintf(buf, bufsz, " [%d]", param->data_type); | |
57 | if (printed_len > 0) { | |
58 | buf += printed_len; | |
59 | bufsz -= printed_len; | |
60 | } | |
61 | } | |
62 | if (param->data_size == 0) | |
63 | printed_len = BIO_snprintf(buf, bufsz, " (arbitrary size)"); | |
64 | else | |
65 | printed_len = BIO_snprintf(buf, bufsz, " (max %zu bytes large)", | |
66 | param->data_size); | |
67 | if (printed_len > 0) { | |
68 | buf += printed_len; | |
69 | bufsz -= printed_len; | |
70 | } | |
71 | *buf = '\0'; | |
72 | return 1; | |
73 | } | |
74 | ||
75 | int print_param_types(const char *thing, const OSSL_PARAM *pdefs, int indent) | |
76 | { | |
77 | if (pdefs == NULL) { | |
e3efe7a5 | 78 | return 1; |
16485a3a RL |
79 | } else if (pdefs->key == NULL) { |
80 | /* | |
81 | * An empty list? This shouldn't happen, but let's just make sure to | |
82 | * say something if there's a badly written provider... | |
83 | */ | |
c92d0c5c | 84 | BIO_printf(bio_out, "%*sEmpty list of %s (!!!)\n", indent, "", thing); |
16485a3a | 85 | } else { |
c92d0c5c | 86 | BIO_printf(bio_out, "%*s%s:\n", indent, "", thing); |
16485a3a RL |
87 | for (; pdefs->key != NULL; pdefs++) { |
88 | char buf[200]; /* This should be ample space */ | |
89 | ||
90 | describe_param_type(buf, sizeof(buf), pdefs); | |
c92d0c5c | 91 | BIO_printf(bio_out, "%*s %s\n", indent, "", buf); |
16485a3a RL |
92 | } |
93 | } | |
94 | return 1; | |
95 | } | |
96 |