mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
ebf8274c55
Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/14310)
579 lines
18 KiB
C
579 lines
18 KiB
C
/*
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* Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <openssl/evp.h>
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#include <openssl/err.h>
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#include <openssl/provider.h>
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#include <openssl/params.h>
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#include <openssl/fips_names.h>
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#include <openssl/core_names.h>
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#include <openssl/self_test.h>
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#include <openssl/fipskey.h>
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#include "apps.h"
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#include "progs.h"
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#define BUFSIZE 4096
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/* Configuration file values */
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#define VERSION_KEY "version"
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#define VERSION_VAL "1"
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#define INSTALL_STATUS_VAL "INSTALL_SELF_TEST_KATS_RUN"
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static OSSL_CALLBACK self_test_events;
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static char *self_test_corrupt_desc = NULL;
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static char *self_test_corrupt_type = NULL;
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static int self_test_log = 1;
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static int quiet = 0;
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typedef enum OPTION_choice {
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OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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OPT_IN, OPT_OUT, OPT_MODULE,
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OPT_PROV_NAME, OPT_SECTION_NAME, OPT_MAC_NAME, OPT_MACOPT, OPT_VERIFY,
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OPT_NO_LOG, OPT_CORRUPT_DESC, OPT_CORRUPT_TYPE, OPT_QUIET, OPT_CONFIG,
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OPT_NO_CONDITIONAL_ERRORS,
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OPT_NO_SECURITY_CHECKS
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} OPTION_CHOICE;
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const OPTIONS fipsinstall_options[] = {
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OPT_SECTION("General"),
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{"help", OPT_HELP, '-', "Display this summary"},
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{"verify", OPT_VERIFY, '-',
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"Verify a config file instead of generating one"},
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{"module", OPT_MODULE, '<', "File name of the provider module"},
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{"provider_name", OPT_PROV_NAME, 's', "FIPS provider name"},
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{"section_name", OPT_SECTION_NAME, 's',
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"FIPS Provider config section name (optional)"},
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{"no_conditional_errors", OPT_NO_CONDITIONAL_ERRORS, '-',
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"Disable the ability of the fips module to enter an error state if"
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" any conditional self tests fail"},
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{"no_security_checks", OPT_NO_SECURITY_CHECKS, '-',
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"Disable the run-time FIPS security checks in the module"},
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OPT_SECTION("Input"),
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{"in", OPT_IN, '<', "Input config file, used when verifying"},
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OPT_SECTION("Output"),
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{"out", OPT_OUT, '>', "Output config file, used when generating"},
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{"mac_name", OPT_MAC_NAME, 's', "MAC name"},
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{"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form. "
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"See 'PARAMETER NAMES' in the EVP_MAC_ docs"},
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{"noout", OPT_NO_LOG, '-', "Disable logging of self test events"},
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{"corrupt_desc", OPT_CORRUPT_DESC, 's', "Corrupt a self test by description"},
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{"corrupt_type", OPT_CORRUPT_TYPE, 's', "Corrupt a self test by type"},
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{"config", OPT_CONFIG, '<', "The parent config to verify"},
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{"quiet", OPT_QUIET, '-', "No messages, just exit status"},
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{NULL}
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};
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static int do_mac(EVP_MAC_CTX *ctx, unsigned char *tmp, BIO *in,
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unsigned char *out, size_t *out_len)
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{
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int ret = 0;
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int i;
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size_t outsz = *out_len;
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if (!EVP_MAC_init(ctx, NULL, 0, NULL))
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goto err;
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if (EVP_MAC_CTX_get_mac_size(ctx) > outsz)
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goto end;
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while ((i = BIO_read(in, (char *)tmp, BUFSIZE)) != 0) {
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if (i < 0 || !EVP_MAC_update(ctx, tmp, i))
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goto err;
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}
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end:
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if (!EVP_MAC_final(ctx, out, out_len, outsz))
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goto err;
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ret = 1;
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err:
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return ret;
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}
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static int load_fips_prov_and_run_self_test(const char *prov_name)
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{
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int ret = 0;
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OSSL_PROVIDER *prov = NULL;
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prov = OSSL_PROVIDER_load(NULL, prov_name);
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if (prov == NULL) {
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BIO_printf(bio_err, "Failed to load FIPS module\n");
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goto end;
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}
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ret = 1;
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end:
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OSSL_PROVIDER_unload(prov);
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return ret;
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}
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static int print_mac(BIO *bio, const char *label, const unsigned char *mac,
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size_t len)
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{
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int ret;
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char *hexstr = NULL;
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hexstr = OPENSSL_buf2hexstr(mac, (long)len);
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if (hexstr == NULL)
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return 0;
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ret = BIO_printf(bio, "%s = %s\n", label, hexstr);
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OPENSSL_free(hexstr);
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return ret;
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}
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static int write_config_header(BIO *out, const char *prov_name,
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const char *section)
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{
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return BIO_printf(out, "openssl_conf = openssl_init\n\n")
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&& BIO_printf(out, "[openssl_init]\n")
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&& BIO_printf(out, "providers = provider_section\n\n")
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&& BIO_printf(out, "[provider_section]\n")
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&& BIO_printf(out, "%s = %s\n\n", prov_name, section);
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}
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/*
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* Outputs a fips related config file that contains entries for the fips
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* module checksum, installation indicator checksum and the options
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* conditional_errors and security_checks.
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*
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* Returns 1 if the config file is written otherwise it returns 0 on error.
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*/
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static int write_config_fips_section(BIO *out, const char *section,
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unsigned char *module_mac,
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size_t module_mac_len,
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int conditional_errors,
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int security_checks,
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unsigned char *install_mac,
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size_t install_mac_len)
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{
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int ret = 0;
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if (BIO_printf(out, "[%s]\n", section) <= 0
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|| BIO_printf(out, "activate = 1\n") <= 0
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|| BIO_printf(out, "%s = %s\n", OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
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VERSION_VAL) <= 0
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|| BIO_printf(out, "%s = %s\n", OSSL_PROV_FIPS_PARAM_CONDITIONAL_ERRORS,
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conditional_errors ? "1" : "0") <= 0
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|| BIO_printf(out, "%s = %s\n", OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS,
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security_checks ? "1" : "0") <= 0
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|| !print_mac(out, OSSL_PROV_FIPS_PARAM_MODULE_MAC, module_mac,
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module_mac_len))
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goto end;
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if (install_mac != NULL) {
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if (!print_mac(out, OSSL_PROV_FIPS_PARAM_INSTALL_MAC, install_mac,
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install_mac_len)
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|| BIO_printf(out, "%s = %s\n", OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
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INSTALL_STATUS_VAL) <= 0)
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goto end;
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}
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ret = 1;
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end:
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return ret;
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}
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static CONF *generate_config_and_load(const char *prov_name,
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const char *section,
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unsigned char *module_mac,
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size_t module_mac_len,
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int conditional_errors,
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int security_checks)
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{
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BIO *mem_bio = NULL;
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CONF *conf = NULL;
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mem_bio = BIO_new(BIO_s_mem());
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if (mem_bio == NULL)
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return 0;
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if (!write_config_header(mem_bio, prov_name, section)
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|| !write_config_fips_section(mem_bio, section,
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module_mac, module_mac_len,
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conditional_errors,
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security_checks,
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NULL, 0))
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goto end;
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conf = app_load_config_bio(mem_bio, NULL);
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if (conf == NULL)
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goto end;
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if (CONF_modules_load(conf, NULL, 0) <= 0)
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goto end;
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BIO_free(mem_bio);
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return conf;
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end:
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NCONF_free(conf);
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BIO_free(mem_bio);
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return NULL;
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}
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static void free_config_and_unload(CONF *conf)
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{
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if (conf != NULL) {
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NCONF_free(conf);
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CONF_modules_unload(1);
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}
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}
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static int verify_module_load(const char *parent_config_file)
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{
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return OSSL_LIB_CTX_load_config(NULL, parent_config_file);
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}
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/*
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* Returns 1 if the config file entries match the passed in module_mac and
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* install_mac values, otherwise it returns 0.
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*/
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static int verify_config(const char *infile, const char *section,
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unsigned char *module_mac, size_t module_mac_len,
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unsigned char *install_mac, size_t install_mac_len)
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{
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int ret = 0;
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char *s = NULL;
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unsigned char *buf1 = NULL, *buf2 = NULL;
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long len;
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CONF *conf = NULL;
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/* read in the existing values and check they match the saved values */
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conf = app_load_config(infile);
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if (conf == NULL)
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goto end;
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s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_VERSION);
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if (s == NULL || strcmp(s, VERSION_VAL) != 0) {
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BIO_printf(bio_err, "version not found\n");
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goto end;
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}
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s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_STATUS);
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if (s == NULL || strcmp(s, INSTALL_STATUS_VAL) != 0) {
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BIO_printf(bio_err, "install status not found\n");
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goto end;
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}
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s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_MODULE_MAC);
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if (s == NULL) {
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BIO_printf(bio_err, "Module integrity MAC not found\n");
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goto end;
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}
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buf1 = OPENSSL_hexstr2buf(s, &len);
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if (buf1 == NULL
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|| (size_t)len != module_mac_len
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|| memcmp(module_mac, buf1, module_mac_len) != 0) {
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BIO_printf(bio_err, "Module integrity mismatch\n");
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goto end;
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}
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s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_MAC);
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if (s == NULL) {
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BIO_printf(bio_err, "Install indicator MAC not found\n");
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goto end;
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}
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buf2 = OPENSSL_hexstr2buf(s, &len);
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if (buf2 == NULL
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|| (size_t)len != install_mac_len
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|| memcmp(install_mac, buf2, install_mac_len) != 0) {
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BIO_printf(bio_err, "Install indicator status mismatch\n");
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goto end;
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}
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ret = 1;
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end:
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OPENSSL_free(buf1);
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OPENSSL_free(buf2);
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NCONF_free(conf);
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return ret;
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}
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int fipsinstall_main(int argc, char **argv)
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{
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int ret = 1, verify = 0, gotkey = 0, gotdigest = 0;
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int enable_conditional_errors = 1, enable_security_checks = 1;
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const char *section_name = "fips_sect";
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const char *mac_name = "HMAC";
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const char *prov_name = "fips";
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BIO *module_bio = NULL, *mem_bio = NULL, *fout = NULL;
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char *in_fname = NULL, *out_fname = NULL, *prog;
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char *module_fname = NULL, *parent_config = NULL, *module_path = NULL;
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const char *tail;
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EVP_MAC_CTX *ctx = NULL, *ctx2 = NULL;
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STACK_OF(OPENSSL_STRING) *opts = NULL;
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OPTION_CHOICE o;
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unsigned char *read_buffer = NULL;
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unsigned char module_mac[EVP_MAX_MD_SIZE];
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size_t module_mac_len = EVP_MAX_MD_SIZE;
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unsigned char install_mac[EVP_MAX_MD_SIZE];
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size_t install_mac_len = EVP_MAX_MD_SIZE;
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EVP_MAC *mac = NULL;
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CONF *conf = NULL;
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if ((opts = sk_OPENSSL_STRING_new_null()) == NULL)
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goto end;
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prog = opt_init(argc, argv, fipsinstall_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_EOF:
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case OPT_ERR:
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opthelp:
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto cleanup;
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case OPT_HELP:
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opt_help(fipsinstall_options);
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ret = 0;
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goto end;
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case OPT_IN:
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in_fname = opt_arg();
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break;
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case OPT_OUT:
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out_fname = opt_arg();
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break;
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case OPT_NO_CONDITIONAL_ERRORS:
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enable_conditional_errors = 0;
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break;
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case OPT_NO_SECURITY_CHECKS:
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enable_security_checks = 0;
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break;
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case OPT_QUIET:
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quiet = 1;
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/* FALLTHROUGH */
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case OPT_NO_LOG:
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self_test_log = 0;
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break;
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case OPT_CORRUPT_DESC:
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self_test_corrupt_desc = opt_arg();
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break;
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case OPT_CORRUPT_TYPE:
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self_test_corrupt_type = opt_arg();
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break;
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case OPT_PROV_NAME:
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prov_name = opt_arg();
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break;
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case OPT_MODULE:
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module_fname = opt_arg();
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break;
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case OPT_SECTION_NAME:
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section_name = opt_arg();
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break;
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case OPT_MAC_NAME:
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mac_name = opt_arg();
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break;
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case OPT_CONFIG:
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parent_config = opt_arg();
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break;
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case OPT_MACOPT:
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if (!sk_OPENSSL_STRING_push(opts, opt_arg()))
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goto opthelp;
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if (strncmp(opt_arg(), "hexkey:", 7) == 0)
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gotkey = 1;
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else if (strncmp(opt_arg(), "digest:", 7) == 0)
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gotdigest = 1;
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break;
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case OPT_VERIFY:
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verify = 1;
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break;
|
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}
|
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}
|
|
|
|
/* No extra arguments. */
|
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argc = opt_num_rest();
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if (argc != 0)
|
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goto opthelp;
|
|
|
|
if (parent_config != NULL) {
|
|
/* Test that a parent config can load the module */
|
|
if (verify_module_load(parent_config)) {
|
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ret = OSSL_PROVIDER_available(NULL, prov_name) ? 0 : 1;
|
|
if (!quiet)
|
|
BIO_printf(bio_out, "FIPS provider is %s\n",
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ret == 0 ? "available" : " not available");
|
|
}
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goto end;
|
|
}
|
|
if (module_fname == NULL
|
|
|| (verify && in_fname == NULL)
|
|
|| (!verify && out_fname == NULL))
|
|
goto opthelp;
|
|
|
|
tail = opt_path_end(module_fname);
|
|
if (tail != NULL) {
|
|
module_path = OPENSSL_strdup(module_fname);
|
|
if (module_path == NULL)
|
|
goto end;
|
|
module_path[tail - module_fname] = '\0';
|
|
if (!OSSL_PROVIDER_set_default_search_path(NULL, module_path))
|
|
goto end;
|
|
}
|
|
|
|
if (self_test_log
|
|
|| self_test_corrupt_desc != NULL
|
|
|| self_test_corrupt_type != NULL)
|
|
OSSL_SELF_TEST_set_callback(NULL, self_test_events, NULL);
|
|
|
|
/* Use the default FIPS HMAC digest and key if not specified. */
|
|
if (!gotdigest && !sk_OPENSSL_STRING_push(opts, "digest:SHA256"))
|
|
goto end;
|
|
if (!gotkey && !sk_OPENSSL_STRING_push(opts, "hexkey:" FIPS_KEY_STRING))
|
|
goto end;
|
|
|
|
module_bio = bio_open_default(module_fname, 'r', FORMAT_BINARY);
|
|
if (module_bio == NULL) {
|
|
BIO_printf(bio_err, "Failed to open module file\n");
|
|
goto end;
|
|
}
|
|
|
|
read_buffer = app_malloc(BUFSIZE, "I/O buffer");
|
|
if (read_buffer == NULL)
|
|
goto end;
|
|
|
|
mac = EVP_MAC_fetch(NULL, mac_name, NULL);
|
|
if (mac == NULL) {
|
|
BIO_printf(bio_err, "Unable to get MAC of type %s\n", mac_name);
|
|
goto end;
|
|
}
|
|
|
|
ctx = EVP_MAC_CTX_new(mac);
|
|
if (ctx == NULL) {
|
|
BIO_printf(bio_err, "Unable to create MAC CTX for module check\n");
|
|
goto end;
|
|
}
|
|
|
|
if (opts != NULL) {
|
|
int ok = 1;
|
|
OSSL_PARAM *params =
|
|
app_params_new_from_opts(opts, EVP_MAC_settable_ctx_params(mac));
|
|
|
|
if (params == NULL)
|
|
goto end;
|
|
|
|
if (!EVP_MAC_CTX_set_params(ctx, params)) {
|
|
BIO_printf(bio_err, "MAC parameter error\n");
|
|
ERR_print_errors(bio_err);
|
|
ok = 0;
|
|
}
|
|
app_params_free(params);
|
|
if (!ok)
|
|
goto end;
|
|
}
|
|
|
|
ctx2 = EVP_MAC_CTX_dup(ctx);
|
|
if (ctx2 == NULL) {
|
|
BIO_printf(bio_err, "Unable to create MAC CTX for install indicator\n");
|
|
goto end;
|
|
}
|
|
|
|
if (!do_mac(ctx, read_buffer, module_bio, module_mac, &module_mac_len))
|
|
goto end;
|
|
|
|
mem_bio = BIO_new_mem_buf((const void *)INSTALL_STATUS_VAL,
|
|
strlen(INSTALL_STATUS_VAL));
|
|
if (mem_bio == NULL) {
|
|
BIO_printf(bio_err, "Unable to create memory BIO\n");
|
|
goto end;
|
|
}
|
|
if (!do_mac(ctx2, read_buffer, mem_bio, install_mac, &install_mac_len))
|
|
goto end;
|
|
|
|
if (verify) {
|
|
if (!verify_config(in_fname, section_name, module_mac, module_mac_len,
|
|
install_mac, install_mac_len))
|
|
goto end;
|
|
if (!quiet)
|
|
BIO_printf(bio_out, "VERIFY PASSED\n");
|
|
} else {
|
|
|
|
conf = generate_config_and_load(prov_name, section_name, module_mac,
|
|
module_mac_len,
|
|
enable_conditional_errors,
|
|
enable_security_checks);
|
|
if (conf == NULL)
|
|
goto end;
|
|
if (!load_fips_prov_and_run_self_test(prov_name))
|
|
goto end;
|
|
|
|
fout = bio_open_default(out_fname, 'w', FORMAT_TEXT);
|
|
if (fout == NULL) {
|
|
BIO_printf(bio_err, "Failed to open file\n");
|
|
goto end;
|
|
}
|
|
if (!write_config_fips_section(fout, section_name,
|
|
module_mac, module_mac_len,
|
|
enable_conditional_errors,
|
|
enable_security_checks,
|
|
install_mac, install_mac_len))
|
|
goto end;
|
|
if (!quiet)
|
|
BIO_printf(bio_out, "INSTALL PASSED\n");
|
|
}
|
|
|
|
ret = 0;
|
|
end:
|
|
if (ret == 1) {
|
|
if (!quiet)
|
|
BIO_printf(bio_err, "%s FAILED\n", verify ? "VERIFY" : "INSTALL");
|
|
ERR_print_errors(bio_err);
|
|
}
|
|
|
|
cleanup:
|
|
OPENSSL_free(module_path);
|
|
BIO_free(fout);
|
|
BIO_free(mem_bio);
|
|
BIO_free(module_bio);
|
|
sk_OPENSSL_STRING_free(opts);
|
|
EVP_MAC_free(mac);
|
|
EVP_MAC_CTX_free(ctx2);
|
|
EVP_MAC_CTX_free(ctx);
|
|
OPENSSL_free(read_buffer);
|
|
free_config_and_unload(conf);
|
|
return ret;
|
|
}
|
|
|
|
static int self_test_events(const OSSL_PARAM params[], void *arg)
|
|
{
|
|
const OSSL_PARAM *p = NULL;
|
|
const char *phase = NULL, *type = NULL, *desc = NULL;
|
|
int ret = 0;
|
|
|
|
p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_PHASE);
|
|
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
|
|
goto err;
|
|
phase = (const char *)p->data;
|
|
|
|
p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_DESC);
|
|
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
|
|
goto err;
|
|
desc = (const char *)p->data;
|
|
|
|
p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_TYPE);
|
|
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
|
|
goto err;
|
|
type = (const char *)p->data;
|
|
|
|
if (self_test_log) {
|
|
if (strcmp(phase, OSSL_SELF_TEST_PHASE_START) == 0)
|
|
BIO_printf(bio_out, "%s : (%s) : ", desc, type);
|
|
else if (strcmp(phase, OSSL_SELF_TEST_PHASE_PASS) == 0
|
|
|| strcmp(phase, OSSL_SELF_TEST_PHASE_FAIL) == 0)
|
|
BIO_printf(bio_out, "%s\n", phase);
|
|
}
|
|
/*
|
|
* The self test code will internally corrupt the KAT test result if an
|
|
* error is returned during the corrupt phase.
|
|
*/
|
|
if (strcmp(phase, OSSL_SELF_TEST_PHASE_CORRUPT) == 0
|
|
&& (self_test_corrupt_desc != NULL
|
|
|| self_test_corrupt_type != NULL)) {
|
|
if (self_test_corrupt_desc != NULL
|
|
&& strcmp(self_test_corrupt_desc, desc) != 0)
|
|
goto end;
|
|
if (self_test_corrupt_type != NULL
|
|
&& strcmp(self_test_corrupt_type, type) != 0)
|
|
goto end;
|
|
BIO_printf(bio_out, "%s ", phase);
|
|
goto err;
|
|
}
|
|
end:
|
|
ret = 1;
|
|
err:
|
|
return ret;
|
|
}
|