diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/ts/ts_conf.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/ts/ts_conf.c | 468 |
1 files changed, 468 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/ts/ts_conf.c b/openssl-1.1.0h/crypto/ts/ts_conf.c new file mode 100644 index 0000000..f5f3934 --- /dev/null +++ b/openssl-1.1.0h/crypto/ts/ts_conf.c @@ -0,0 +1,468 @@ +/* + * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <string.h> + +#include <openssl/crypto.h> +#include "internal/cryptlib.h" +#include <openssl/pem.h> +#include <openssl/engine.h> +#include <openssl/ts.h> + +/* Macro definitions for the configuration file. */ +#define BASE_SECTION "tsa" +#define ENV_DEFAULT_TSA "default_tsa" +#define ENV_SERIAL "serial" +#define ENV_CRYPTO_DEVICE "crypto_device" +#define ENV_SIGNER_CERT "signer_cert" +#define ENV_CERTS "certs" +#define ENV_SIGNER_KEY "signer_key" +#define ENV_SIGNER_DIGEST "signer_digest" +#define ENV_DEFAULT_POLICY "default_policy" +#define ENV_OTHER_POLICIES "other_policies" +#define ENV_DIGESTS "digests" +#define ENV_ACCURACY "accuracy" +#define ENV_ORDERING "ordering" +#define ENV_TSA_NAME "tsa_name" +#define ENV_ESS_CERT_ID_CHAIN "ess_cert_id_chain" +#define ENV_VALUE_SECS "secs" +#define ENV_VALUE_MILLISECS "millisecs" +#define ENV_VALUE_MICROSECS "microsecs" +#define ENV_CLOCK_PRECISION_DIGITS "clock_precision_digits" +#define ENV_VALUE_YES "yes" +#define ENV_VALUE_NO "no" + +/* Function definitions for certificate and key loading. */ + +X509 *TS_CONF_load_cert(const char *file) +{ + BIO *cert = NULL; + X509 *x = NULL; + + if ((cert = BIO_new_file(file, "r")) == NULL) + goto end; + x = PEM_read_bio_X509_AUX(cert, NULL, NULL, NULL); + end: + if (x == NULL) + TSerr(TS_F_TS_CONF_LOAD_CERT, TS_R_CANNOT_LOAD_CERT); + BIO_free(cert); + return x; +} + +STACK_OF(X509) *TS_CONF_load_certs(const char *file) +{ + BIO *certs = NULL; + STACK_OF(X509) *othercerts = NULL; + STACK_OF(X509_INFO) *allcerts = NULL; + int i; + + if ((certs = BIO_new_file(file, "r")) == NULL) + goto end; + if ((othercerts = sk_X509_new_null()) == NULL) + goto end; + + allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL); + for (i = 0; i < sk_X509_INFO_num(allcerts); i++) { + X509_INFO *xi = sk_X509_INFO_value(allcerts, i); + if (xi->x509) { + sk_X509_push(othercerts, xi->x509); + xi->x509 = NULL; + } + } + end: + if (othercerts == NULL) + TSerr(TS_F_TS_CONF_LOAD_CERTS, TS_R_CANNOT_LOAD_CERT); + sk_X509_INFO_pop_free(allcerts, X509_INFO_free); + BIO_free(certs); + return othercerts; +} + +EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass) +{ + BIO *key = NULL; + EVP_PKEY *pkey = NULL; + + if ((key = BIO_new_file(file, "r")) == NULL) + goto end; + pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, (char *)pass); + end: + if (pkey == NULL) + TSerr(TS_F_TS_CONF_LOAD_KEY, TS_R_CANNOT_LOAD_KEY); + BIO_free(key); + return pkey; +} + +/* Function definitions for handling configuration options. */ + +static void ts_CONF_lookup_fail(const char *name, const char *tag) +{ + TSerr(TS_F_TS_CONF_LOOKUP_FAIL, TS_R_VAR_LOOKUP_FAILURE); + ERR_add_error_data(3, name, "::", tag); +} + +static void ts_CONF_invalid(const char *name, const char *tag) +{ + TSerr(TS_F_TS_CONF_INVALID, TS_R_VAR_BAD_VALUE); + ERR_add_error_data(3, name, "::", tag); +} + +const char *TS_CONF_get_tsa_section(CONF *conf, const char *section) +{ + if (!section) { + section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_TSA); + if (!section) + ts_CONF_lookup_fail(BASE_SECTION, ENV_DEFAULT_TSA); + } + return section; +} + +int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb, + TS_RESP_CTX *ctx) +{ + int ret = 0; + char *serial = NCONF_get_string(conf, section, ENV_SERIAL); + if (!serial) { + ts_CONF_lookup_fail(section, ENV_SERIAL); + goto err; + } + TS_RESP_CTX_set_serial_cb(ctx, cb, serial); + + ret = 1; + err: + return ret; +} + +#ifndef OPENSSL_NO_ENGINE + +int TS_CONF_set_crypto_device(CONF *conf, const char *section, + const char *device) +{ + int ret = 0; + + if (device == NULL) + device = NCONF_get_string(conf, section, ENV_CRYPTO_DEVICE); + + if (device && !TS_CONF_set_default_engine(device)) { + ts_CONF_invalid(section, ENV_CRYPTO_DEVICE); + goto err; + } + ret = 1; + err: + return ret; +} + +int TS_CONF_set_default_engine(const char *name) +{ + ENGINE *e = NULL; + int ret = 0; + + if (strcmp(name, "builtin") == 0) + return 1; + + if ((e = ENGINE_by_id(name)) == NULL) + goto err; + if (strcmp(name, "chil") == 0) + ENGINE_ctrl(e, ENGINE_CTRL_CHIL_SET_FORKCHECK, 1, 0, 0); + if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) + goto err; + ret = 1; + + err: + if (!ret) { + TSerr(TS_F_TS_CONF_SET_DEFAULT_ENGINE, TS_R_COULD_NOT_SET_ENGINE); + ERR_add_error_data(2, "engine:", name); + } + ENGINE_free(e); + return ret; +} + +#endif + +int TS_CONF_set_signer_cert(CONF *conf, const char *section, + const char *cert, TS_RESP_CTX *ctx) +{ + int ret = 0; + X509 *cert_obj = NULL; + + if (cert == NULL) { + cert = NCONF_get_string(conf, section, ENV_SIGNER_CERT); + if (cert == NULL) { + ts_CONF_lookup_fail(section, ENV_SIGNER_CERT); + goto err; + } + } + if ((cert_obj = TS_CONF_load_cert(cert)) == NULL) + goto err; + if (!TS_RESP_CTX_set_signer_cert(ctx, cert_obj)) + goto err; + + ret = 1; + err: + X509_free(cert_obj); + return ret; +} + +int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs, + TS_RESP_CTX *ctx) +{ + int ret = 0; + STACK_OF(X509) *certs_obj = NULL; + + if (certs == NULL) { + /* Certificate chain is optional. */ + if ((certs = NCONF_get_string(conf, section, ENV_CERTS)) == NULL) + goto end; + } + if ((certs_obj = TS_CONF_load_certs(certs)) == NULL) + goto err; + if (!TS_RESP_CTX_set_certs(ctx, certs_obj)) + goto err; + end: + ret = 1; + err: + sk_X509_pop_free(certs_obj, X509_free); + return ret; +} + +int TS_CONF_set_signer_key(CONF *conf, const char *section, + const char *key, const char *pass, + TS_RESP_CTX *ctx) +{ + int ret = 0; + EVP_PKEY *key_obj = NULL; + if (!key) + key = NCONF_get_string(conf, section, ENV_SIGNER_KEY); + if (!key) { + ts_CONF_lookup_fail(section, ENV_SIGNER_KEY); + goto err; + } + if ((key_obj = TS_CONF_load_key(key, pass)) == NULL) + goto err; + if (!TS_RESP_CTX_set_signer_key(ctx, key_obj)) + goto err; + + ret = 1; + err: + EVP_PKEY_free(key_obj); + return ret; +} + +int TS_CONF_set_signer_digest(CONF *conf, const char *section, + const char *md, TS_RESP_CTX *ctx) +{ + int ret = 0; + const EVP_MD *sign_md = NULL; + if (md == NULL) + md = NCONF_get_string(conf, section, ENV_SIGNER_DIGEST); + if (md == NULL) { + ts_CONF_lookup_fail(section, ENV_SIGNER_DIGEST); + goto err; + } + sign_md = EVP_get_digestbyname(md); + if (sign_md == NULL) { + ts_CONF_invalid(section, ENV_SIGNER_DIGEST); + goto err; + } + if (!TS_RESP_CTX_set_signer_digest(ctx, sign_md)) + goto err; + + ret = 1; + err: + return ret; +} + +int TS_CONF_set_def_policy(CONF *conf, const char *section, + const char *policy, TS_RESP_CTX *ctx) +{ + int ret = 0; + ASN1_OBJECT *policy_obj = NULL; + if (!policy) + policy = NCONF_get_string(conf, section, ENV_DEFAULT_POLICY); + if (!policy) { + ts_CONF_lookup_fail(section, ENV_DEFAULT_POLICY); + goto err; + } + if ((policy_obj = OBJ_txt2obj(policy, 0)) == NULL) { + ts_CONF_invalid(section, ENV_DEFAULT_POLICY); + goto err; + } + if (!TS_RESP_CTX_set_def_policy(ctx, policy_obj)) + goto err; + + ret = 1; + err: + ASN1_OBJECT_free(policy_obj); + return ret; +} + +int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx) +{ + int ret = 0; + int i; + STACK_OF(CONF_VALUE) *list = NULL; + char *policies = NCONF_get_string(conf, section, ENV_OTHER_POLICIES); + + /* If no other policy is specified, that's fine. */ + if (policies && (list = X509V3_parse_list(policies)) == NULL) { + ts_CONF_invalid(section, ENV_OTHER_POLICIES); + goto err; + } + for (i = 0; i < sk_CONF_VALUE_num(list); ++i) { + CONF_VALUE *val = sk_CONF_VALUE_value(list, i); + const char *extval = val->value ? val->value : val->name; + ASN1_OBJECT *objtmp; + + if ((objtmp = OBJ_txt2obj(extval, 0)) == NULL) { + ts_CONF_invalid(section, ENV_OTHER_POLICIES); + goto err; + } + if (!TS_RESP_CTX_add_policy(ctx, objtmp)) + goto err; + ASN1_OBJECT_free(objtmp); + } + + ret = 1; + err: + sk_CONF_VALUE_pop_free(list, X509V3_conf_free); + return ret; +} + +int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx) +{ + int ret = 0; + int i; + STACK_OF(CONF_VALUE) *list = NULL; + char *digests = NCONF_get_string(conf, section, ENV_DIGESTS); + + if (digests == NULL) { + ts_CONF_lookup_fail(section, ENV_DIGESTS); + goto err; + } + if ((list = X509V3_parse_list(digests)) == NULL) { + ts_CONF_invalid(section, ENV_DIGESTS); + goto err; + } + if (sk_CONF_VALUE_num(list) == 0) { + ts_CONF_invalid(section, ENV_DIGESTS); + goto err; + } + for (i = 0; i < sk_CONF_VALUE_num(list); ++i) { + CONF_VALUE *val = sk_CONF_VALUE_value(list, i); + const char *extval = val->value ? val->value : val->name; + const EVP_MD *md; + + if ((md = EVP_get_digestbyname(extval)) == NULL) { + ts_CONF_invalid(section, ENV_DIGESTS); + goto err; + } + if (!TS_RESP_CTX_add_md(ctx, md)) + goto err; + } + + ret = 1; + err: + sk_CONF_VALUE_pop_free(list, X509V3_conf_free); + return ret; +} + +int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx) +{ + int ret = 0; + int i; + int secs = 0, millis = 0, micros = 0; + STACK_OF(CONF_VALUE) *list = NULL; + char *accuracy = NCONF_get_string(conf, section, ENV_ACCURACY); + + if (accuracy && (list = X509V3_parse_list(accuracy)) == NULL) { + ts_CONF_invalid(section, ENV_ACCURACY); + goto err; + } + for (i = 0; i < sk_CONF_VALUE_num(list); ++i) { + CONF_VALUE *val = sk_CONF_VALUE_value(list, i); + if (strcmp(val->name, ENV_VALUE_SECS) == 0) { + if (val->value) + secs = atoi(val->value); + } else if (strcmp(val->name, ENV_VALUE_MILLISECS) == 0) { + if (val->value) + millis = atoi(val->value); + } else if (strcmp(val->name, ENV_VALUE_MICROSECS) == 0) { + if (val->value) + micros = atoi(val->value); + } else { + ts_CONF_invalid(section, ENV_ACCURACY); + goto err; + } + } + if (!TS_RESP_CTX_set_accuracy(ctx, secs, millis, micros)) + goto err; + + ret = 1; + err: + sk_CONF_VALUE_pop_free(list, X509V3_conf_free); + return ret; +} + +int TS_CONF_set_clock_precision_digits(CONF *conf, const char *section, + TS_RESP_CTX *ctx) +{ + int ret = 0; + long digits = 0; + + /* + * If not specified, set the default value to 0, i.e. sec precision + */ + if (!NCONF_get_number_e(conf, section, ENV_CLOCK_PRECISION_DIGITS, + &digits)) + digits = 0; + if (digits < 0 || digits > TS_MAX_CLOCK_PRECISION_DIGITS) { + ts_CONF_invalid(section, ENV_CLOCK_PRECISION_DIGITS); + goto err; + } + + if (!TS_RESP_CTX_set_clock_precision_digits(ctx, digits)) + goto err; + + return 1; + err: + return ret; +} + +static int ts_CONF_add_flag(CONF *conf, const char *section, + const char *field, int flag, TS_RESP_CTX *ctx) +{ + const char *value = NCONF_get_string(conf, section, field); + + if (value) { + if (strcmp(value, ENV_VALUE_YES) == 0) + TS_RESP_CTX_add_flags(ctx, flag); + else if (strcmp(value, ENV_VALUE_NO) != 0) { + ts_CONF_invalid(section, field); + return 0; + } + } + + return 1; +} + +int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx) +{ + return ts_CONF_add_flag(conf, section, ENV_ORDERING, TS_ORDERING, ctx); +} + +int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx) +{ + return ts_CONF_add_flag(conf, section, ENV_TSA_NAME, TS_TSA_NAME, ctx); +} + +int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section, + TS_RESP_CTX *ctx) +{ + return ts_CONF_add_flag(conf, section, ENV_ESS_CERT_ID_CHAIN, + TS_ESS_CERT_ID_CHAIN, ctx); +} |