1 /*
2 * Copyright 2020-2025 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 <stdlib.h>
11 #include <string.h>
12 #include "prov/provider_ctx.h"
13 #include "prov/bio.h"
14
ossl_prov_ctx_new(void)15 PROV_CTX *ossl_prov_ctx_new(void)
16 {
17 return OPENSSL_zalloc(sizeof(PROV_CTX));
18 }
19
ossl_prov_ctx_free(PROV_CTX * ctx)20 void ossl_prov_ctx_free(PROV_CTX *ctx)
21 {
22 OPENSSL_free(ctx);
23 }
24
ossl_prov_ctx_set0_libctx(PROV_CTX * ctx,OSSL_LIB_CTX * libctx)25 void ossl_prov_ctx_set0_libctx(PROV_CTX *ctx, OSSL_LIB_CTX *libctx)
26 {
27 if (ctx != NULL)
28 ctx->libctx = libctx;
29 }
30
ossl_prov_ctx_set0_handle(PROV_CTX * ctx,const OSSL_CORE_HANDLE * handle)31 void ossl_prov_ctx_set0_handle(PROV_CTX *ctx, const OSSL_CORE_HANDLE *handle)
32 {
33 if (ctx != NULL)
34 ctx->handle = handle;
35 }
36
ossl_prov_ctx_set0_core_bio_method(PROV_CTX * ctx,BIO_METHOD * corebiometh)37 void ossl_prov_ctx_set0_core_bio_method(PROV_CTX *ctx, BIO_METHOD *corebiometh)
38 {
39 if (ctx != NULL)
40 ctx->corebiometh = corebiometh;
41 }
42
43 void
ossl_prov_ctx_set0_core_get_params(PROV_CTX * ctx,OSSL_FUNC_core_get_params_fn * c_get_params)44 ossl_prov_ctx_set0_core_get_params(PROV_CTX *ctx,
45 OSSL_FUNC_core_get_params_fn *c_get_params)
46 {
47 if (ctx != NULL)
48 ctx->core_get_params = c_get_params;
49 }
50
ossl_prov_ctx_get0_libctx(PROV_CTX * ctx)51 OSSL_LIB_CTX *ossl_prov_ctx_get0_libctx(PROV_CTX *ctx)
52 {
53 if (ctx == NULL)
54 return NULL;
55 return ctx->libctx;
56 }
57
ossl_prov_ctx_get0_handle(PROV_CTX * ctx)58 const OSSL_CORE_HANDLE *ossl_prov_ctx_get0_handle(PROV_CTX *ctx)
59 {
60 if (ctx == NULL)
61 return NULL;
62 return ctx->handle;
63 }
64
ossl_prov_ctx_get0_core_bio_method(PROV_CTX * ctx)65 BIO_METHOD *ossl_prov_ctx_get0_core_bio_method(PROV_CTX *ctx)
66 {
67 if (ctx == NULL)
68 return NULL;
69 return ctx->corebiometh;
70 }
71
ossl_prov_ctx_get0_core_get_params(PROV_CTX * ctx)72 OSSL_FUNC_core_get_params_fn *ossl_prov_ctx_get0_core_get_params(PROV_CTX *ctx)
73 {
74 if (ctx == NULL)
75 return NULL;
76 return ctx->core_get_params;
77 }
78
79 const char *
ossl_prov_ctx_get_param(PROV_CTX * ctx,const char * name,const char * defval)80 ossl_prov_ctx_get_param(PROV_CTX *ctx, const char *name, const char *defval)
81 {
82 char *val = NULL;
83 OSSL_PARAM param[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
84
85 if (ctx == NULL
86 || ctx->handle == NULL
87 || ctx->core_get_params == NULL)
88 return defval;
89
90 param[0].key = (char *) name;
91 param[0].data_type = OSSL_PARAM_UTF8_PTR;
92 param[0].data = (void *) &val;
93 param[0].data_size = sizeof(val);
94 param[0].return_size = OSSL_PARAM_UNMODIFIED;
95
96 /* Errors are ignored, returning the default value */
97 if (ctx->core_get_params(ctx->handle, param)
98 && OSSL_PARAM_modified(param)
99 && val != NULL)
100 return val;
101 return defval;
102 }
103
ossl_prov_ctx_get_bool_param(PROV_CTX * ctx,const char * name,int defval)104 int ossl_prov_ctx_get_bool_param(PROV_CTX *ctx, const char *name, int defval)
105 {
106 const char *val = ossl_prov_ctx_get_param(ctx, name, NULL);
107
108 if (val != NULL) {
109 if ((strcmp(val, "1") == 0)
110 || (OPENSSL_strcasecmp(val, "yes") == 0)
111 || (OPENSSL_strcasecmp(val, "true") == 0)
112 || (OPENSSL_strcasecmp(val, "on") == 0))
113 return 1;
114 else if ((strcmp(val, "0") == 0)
115 || (OPENSSL_strcasecmp(val, "no") == 0)
116 || (OPENSSL_strcasecmp(val, "false") == 0)
117 || (OPENSSL_strcasecmp(val, "off") == 0))
118 return 0;
119 }
120 return defval;
121 }
122