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 15 PROV_CTX *ossl_prov_ctx_new(void) 16 { 17 return OPENSSL_zalloc(sizeof(PROV_CTX)); 18 } 19 20 void ossl_prov_ctx_free(PROV_CTX *ctx) 21 { 22 OPENSSL_free(ctx); 23 } 24 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 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 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 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 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 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 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 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 * 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 } 103 104 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