diff options
Diffstat (limited to 'crypto/openssl/apps/ts.c')
| -rw-r--r-- | crypto/openssl/apps/ts.c | 1144 |
1 files changed, 0 insertions, 1144 deletions
diff --git a/crypto/openssl/apps/ts.c b/crypto/openssl/apps/ts.c deleted file mode 100644 index 74e7e93..0000000 --- a/crypto/openssl/apps/ts.c +++ /dev/null @@ -1,1144 +0,0 @@ -/* apps/ts.c */ -/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL - * project 2002. - */ -/* ==================================================================== - * Copyright (c) 2001 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "apps.h" -#include <openssl/bio.h> -#include <openssl/err.h> -#include <openssl/pem.h> -#include <openssl/rand.h> -#include <openssl/ts.h> -#include <openssl/bn.h> - -#undef PROG -#define PROG ts_main - -/* Length of the nonce of the request in bits (must be a multiple of 8). */ -#define NONCE_LENGTH 64 - -/* Macro definitions for the configuration file. */ -#define ENV_OID_FILE "oid_file" - -/* Local function declarations. */ - -static ASN1_OBJECT *txt2obj(const char *oid); -static CONF *load_config_file(const char *configfile); - -/* Query related functions. */ -static int query_command(const char *data, char *digest, - const EVP_MD *md, const char *policy, int no_nonce, - int cert, const char *in, const char *out, int text); -static BIO *BIO_open_with_default(const char *file, const char *mode, - FILE *default_fp); -static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md, - const char *policy, int no_nonce, int cert); -static int create_digest(BIO *input, char *digest, - const EVP_MD *md, unsigned char **md_value); -static ASN1_INTEGER *create_nonce(int bits); - -/* Reply related functions. */ -static int reply_command(CONF *conf, char *section, char *engine, - char *queryfile, char *passin, char *inkey, - char *signer, char *chain, const char *policy, - char *in, int token_in, char *out, int token_out, - int text); -static TS_RESP *read_PKCS7(BIO *in_bio); -static TS_RESP *create_response(CONF *conf, const char *section, char *engine, - char *queryfile, char *passin, char *inkey, - char *signer, char *chain, const char *policy); -static ASN1_INTEGER * MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data); -static ASN1_INTEGER *next_serial(const char *serialfile); -static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial); - -/* Verify related functions. */ -static int verify_command(char *data, char *digest, char *queryfile, - char *in, int token_in, - char *ca_path, char *ca_file, char *untrusted); -static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest, - char *queryfile, - char *ca_path, char *ca_file, - char *untrusted); -static X509_STORE *create_cert_store(char *ca_path, char *ca_file); -static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx); - -/* Main function definition. */ -int MAIN(int, char **); - -int MAIN(int argc, char **argv) - { - int ret = 1; - char *configfile = NULL; - char *section = NULL; - CONF *conf = NULL; - enum mode { - CMD_NONE, CMD_QUERY, CMD_REPLY, CMD_VERIFY - } mode = CMD_NONE; - char *data = NULL; - char *digest = NULL; - const EVP_MD *md = NULL; - char *rnd = NULL; - char *policy = NULL; - int no_nonce = 0; - int cert = 0; - char *in = NULL; - char *out = NULL; - int text = 0; - char *queryfile = NULL; - char *passin = NULL; /* Password source. */ - char *password =NULL; /* Password itself. */ - char *inkey = NULL; - char *signer = NULL; - char *chain = NULL; - char *ca_path = NULL; - char *ca_file = NULL; - char *untrusted = NULL; - char *engine = NULL; - /* Input is ContentInfo instead of TimeStampResp. */ - int token_in = 0; - /* Output is ContentInfo instead of TimeStampResp. */ - int token_out = 0; - int free_bio_err = 0; - - ERR_load_crypto_strings(); - apps_startup(); - - if (bio_err == NULL && (bio_err = BIO_new(BIO_s_file())) != NULL) - { - free_bio_err = 1; - BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); - } - - for (argc--, argv++; argc > 0; argc--, argv++) - { - if (strcmp(*argv, "-config") == 0) - { - if (argc-- < 1) goto usage; - configfile = *++argv; - } - else if (strcmp(*argv, "-section") == 0) - { - if (argc-- < 1) goto usage; - section = *++argv; - } - else if (strcmp(*argv, "-query") == 0) - { - if (mode != CMD_NONE) goto usage; - mode = CMD_QUERY; - } - else if (strcmp(*argv, "-data") == 0) - { - if (argc-- < 1) goto usage; - data = *++argv; - } - else if (strcmp(*argv, "-digest") == 0) - { - if (argc-- < 1) goto usage; - digest = *++argv; - } - else if (strcmp(*argv, "-rand") == 0) - { - if (argc-- < 1) goto usage; - rnd = *++argv; - } - else if (strcmp(*argv, "-policy") == 0) - { - if (argc-- < 1) goto usage; - policy = *++argv; - } - else if (strcmp(*argv, "-no_nonce") == 0) - { - no_nonce = 1; - } - else if (strcmp(*argv, "-cert") == 0) - { - cert = 1; - } - else if (strcmp(*argv, "-in") == 0) - { - if (argc-- < 1) goto usage; - in = *++argv; - } - else if (strcmp(*argv, "-token_in") == 0) - { - token_in = 1; - } - else if (strcmp(*argv, "-out") == 0) - { - if (argc-- < 1) goto usage; - out = *++argv; - } - else if (strcmp(*argv, "-token_out") == 0) - { - token_out = 1; - } - else if (strcmp(*argv, "-text") == 0) - { - text = 1; - } - else if (strcmp(*argv, "-reply") == 0) - { - if (mode != CMD_NONE) goto usage; - mode = CMD_REPLY; - } - else if (strcmp(*argv, "-queryfile") == 0) - { - if (argc-- < 1) goto usage; - queryfile = *++argv; - } - else if (strcmp(*argv, "-passin") == 0) - { - if (argc-- < 1) goto usage; - passin = *++argv; - } - else if (strcmp(*argv, "-inkey") == 0) - { - if (argc-- < 1) goto usage; - inkey = *++argv; - } - else if (strcmp(*argv, "-signer") == 0) - { - if (argc-- < 1) goto usage; - signer = *++argv; - } - else if (strcmp(*argv, "-chain") == 0) - { - if (argc-- < 1) goto usage; - chain = *++argv; - } - else if (strcmp(*argv, "-verify") == 0) - { - if (mode != CMD_NONE) goto usage; - mode = CMD_VERIFY; - } - else if (strcmp(*argv, "-CApath") == 0) - { - if (argc-- < 1) goto usage; - ca_path = *++argv; - } - else if (strcmp(*argv, "-CAfile") == 0) - { - if (argc-- < 1) goto usage; - ca_file = *++argv; - } - else if (strcmp(*argv, "-untrusted") == 0) - { - if (argc-- < 1) goto usage; - untrusted = *++argv; - } - else if (strcmp(*argv, "-engine") == 0) - { - if (argc-- < 1) goto usage; - engine = *++argv; - } - else if ((md = EVP_get_digestbyname(*argv + 1)) != NULL) - { - /* empty. */ - } - else - goto usage; - } - - /* Seed the random number generator if it is going to be used. */ - if (mode == CMD_QUERY && !no_nonce) - { - if (!app_RAND_load_file(NULL, bio_err, 1) && rnd == NULL) - BIO_printf(bio_err, "warning, not much extra random " - "data, consider using the -rand option\n"); - if (rnd != NULL) - BIO_printf(bio_err,"%ld semi-random bytes loaded\n", - app_RAND_load_files(rnd)); - } - - /* Get the password if required. */ - if(mode == CMD_REPLY && passin && - !app_passwd(bio_err, passin, NULL, &password, NULL)) - { - BIO_printf(bio_err,"Error getting password.\n"); - goto cleanup; - } - - /* Check consistency of parameters and execute - the appropriate function. */ - switch (mode) - { - case CMD_NONE: - goto usage; - case CMD_QUERY: - /* Data file and message imprint cannot be specified - at the same time. */ - ret = data != NULL && digest != NULL; - if (ret) goto usage; - /* Load the config file for possible policy OIDs. */ - conf = load_config_file(configfile); - ret = !query_command(data, digest, md, policy, no_nonce, cert, - in, out, text); - break; - case CMD_REPLY: - conf = load_config_file(configfile); - if (in == NULL) - { - ret = !(queryfile != NULL && conf != NULL && !token_in); - if (ret) goto usage; - } - else - { - /* 'in' and 'queryfile' are exclusive. */ - ret = !(queryfile == NULL); - if (ret) goto usage; - } - - ret = !reply_command(conf, section, engine, queryfile, - password, inkey, signer, chain, policy, - in, token_in, out, token_out, text); - break; - case CMD_VERIFY: - ret = !(((queryfile && !data && !digest) - || (!queryfile && data && !digest) - || (!queryfile && !data && digest)) - && in != NULL); - if (ret) goto usage; - - ret = !verify_command(data, digest, queryfile, in, token_in, - ca_path, ca_file, untrusted); - } - - goto cleanup; - - usage: - BIO_printf(bio_err, "usage:\n" - "ts -query [-rand file%cfile%c...] [-config configfile] " - "[-data file_to_hash] [-digest digest_bytes]" - "[-md2|-md4|-md5|-sha|-sha1|-mdc2|-ripemd160] " - "[-policy object_id] [-no_nonce] [-cert] " - "[-in request.tsq] [-out request.tsq] [-text]\n", - LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); - BIO_printf(bio_err, "or\n" - "ts -reply [-config configfile] [-section tsa_section] " - "[-queryfile request.tsq] [-passin password] " - "[-signer tsa_cert.pem] [-inkey private_key.pem] " - "[-chain certs_file.pem] [-policy object_id] " - "[-in response.tsr] [-token_in] " - "[-out response.tsr] [-token_out] [-text] [-engine id]\n"); - BIO_printf(bio_err, "or\n" - "ts -verify [-data file_to_hash] [-digest digest_bytes] " - "[-queryfile request.tsq] " - "-in response.tsr [-token_in] " - "-CApath ca_path -CAfile ca_file.pem " - "-untrusted cert_file.pem\n"); - cleanup: - /* Clean up. */ - app_RAND_write_file(NULL, bio_err); - NCONF_free(conf); - OPENSSL_free(password); - OBJ_cleanup(); - if (free_bio_err) - { - BIO_free_all(bio_err); - bio_err = NULL; - } - - OPENSSL_EXIT(ret); - } - -/* - * Configuration file-related function definitions. - */ - -static ASN1_OBJECT *txt2obj(const char *oid) - { - ASN1_OBJECT *oid_obj = NULL; - - if (!(oid_obj = OBJ_txt2obj(oid, 0))) - BIO_printf(bio_err, "cannot convert %s to OID\n", oid); - - return oid_obj; - } - -static CONF *load_config_file(const char *configfile) - { - CONF *conf = NULL; - long errorline = -1; - - if (!configfile) configfile = getenv("OPENSSL_CONF"); - if (!configfile) configfile = getenv("SSLEAY_CONF"); - - if (configfile && - (!(conf = NCONF_new(NULL)) || - NCONF_load(conf, configfile, &errorline) <= 0)) - { - if (errorline <= 0) - BIO_printf(bio_err, "error loading the config file " - "'%s'\n", configfile); - else - BIO_printf(bio_err, "error on line %ld of config file " - "'%s'\n", errorline, configfile); - } - - if (conf != NULL) - { - const char *p; - - BIO_printf(bio_err,"Using configuration from %s\n", configfile); - p = NCONF_get_string(conf, NULL, ENV_OID_FILE); - if (p != NULL) - { - BIO *oid_bio = BIO_new_file(p, "r"); - if (!oid_bio) - ERR_print_errors(bio_err); - else - { - OBJ_create_objects(oid_bio); - BIO_free_all(oid_bio); - } - } - else - ERR_clear_error(); - if(!add_oid_section(bio_err, conf)) - ERR_print_errors(bio_err); - } - return conf; - } - -/* - * Query-related method definitions. - */ - -static int query_command(const char *data, char *digest, const EVP_MD *md, - const char *policy, int no_nonce, - int cert, const char *in, const char *out, int text) - { - int ret = 0; - TS_REQ *query = NULL; - BIO *in_bio = NULL; - BIO *data_bio = NULL; - BIO *out_bio = NULL; - - /* Build query object either from file or from scratch. */ - if (in != NULL) - { - if ((in_bio = BIO_new_file(in, "rb")) == NULL) goto end; - query = d2i_TS_REQ_bio(in_bio, NULL); - } - else - { - /* Open the file if no explicit digest bytes were specified. */ - if (!digest - && !(data_bio = BIO_open_with_default(data, "rb", stdin))) - goto end; - /* Creating the query object. */ - query = create_query(data_bio, digest, md, - policy, no_nonce, cert); - /* Saving the random number generator state. */ - } - if (query == NULL) goto end; - - /* Write query either in ASN.1 or in text format. */ - if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL) - goto end; - if (text) - { - /* Text output. */ - if (!TS_REQ_print_bio(out_bio, query)) - goto end; - } - else - { - /* ASN.1 output. */ - if (!i2d_TS_REQ_bio(out_bio, query)) - goto end; - } - - ret = 1; - - end: - ERR_print_errors(bio_err); - - /* Clean up. */ - BIO_free_all(in_bio); - BIO_free_all(data_bio); - BIO_free_all(out_bio); - TS_REQ_free(query); - - return ret; - } - -static BIO *BIO_open_with_default(const char *file, const char *mode, - FILE *default_fp) - { - return file == NULL ? - BIO_new_fp(default_fp, BIO_NOCLOSE) - : BIO_new_file(file, mode); - } - -static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md, - const char *policy, int no_nonce, int cert) - { - int ret = 0; - TS_REQ *ts_req = NULL; - int len; - TS_MSG_IMPRINT *msg_imprint = NULL; - X509_ALGOR *algo = NULL; - unsigned char *data = NULL; - ASN1_OBJECT *policy_obj = NULL; - ASN1_INTEGER *nonce_asn1 = NULL; - - /* Setting default message digest. */ - if (!md && !(md = EVP_get_digestbyname("sha1"))) goto err; - - /* Creating request object. */ - if (!(ts_req = TS_REQ_new())) goto err; - - /* Setting version. */ - if (!TS_REQ_set_version(ts_req, 1)) goto err; - - /* Creating and adding MSG_IMPRINT object. */ - if (!(msg_imprint = TS_MSG_IMPRINT_new())) goto err; - - /* Adding algorithm. */ - if (!(algo = X509_ALGOR_new())) goto err; - if (!(algo->algorithm = OBJ_nid2obj(EVP_MD_type(md)))) goto err; - if (!(algo->parameter = ASN1_TYPE_new())) goto err; - algo->parameter->type = V_ASN1_NULL; - if (!TS_MSG_IMPRINT_set_algo(msg_imprint, algo)) goto err; - - /* Adding message digest. */ - if ((len = create_digest(data_bio, digest, md, &data)) == 0) - goto err; - if (!TS_MSG_IMPRINT_set_msg(msg_imprint, data, len)) goto err; - - if (!TS_REQ_set_msg_imprint(ts_req, msg_imprint)) goto err; - - /* Setting policy if requested. */ - if (policy && !(policy_obj = txt2obj(policy))) goto err; - if (policy_obj && !TS_REQ_set_policy_id(ts_req, policy_obj)) goto err; - - /* Setting nonce if requested. */ - if (!no_nonce && !(nonce_asn1 = create_nonce(NONCE_LENGTH))) goto err; - if (nonce_asn1 && !TS_REQ_set_nonce(ts_req, nonce_asn1)) goto err; - - /* Setting certificate request flag if requested. */ - if (!TS_REQ_set_cert_req(ts_req, cert)) goto err; - - ret = 1; - err: - if (!ret) - { - TS_REQ_free(ts_req); - ts_req = NULL; - BIO_printf(bio_err, "could not create query\n"); - } - TS_MSG_IMPRINT_free(msg_imprint); - X509_ALGOR_free(algo); - OPENSSL_free(data); - ASN1_OBJECT_free(policy_obj); - ASN1_INTEGER_free(nonce_asn1); - return ts_req; - } - -static int create_digest(BIO *input, char *digest, const EVP_MD *md, - unsigned char **md_value) - { - int md_value_len; - - md_value_len = EVP_MD_size(md); - if (md_value_len < 0) - goto err; - if (input) - { - /* Digest must be computed from an input file. */ - EVP_MD_CTX md_ctx; - unsigned char buffer[4096]; - int length; - - *md_value = OPENSSL_malloc(md_value_len); - if (*md_value == 0) goto err; - - EVP_DigestInit(&md_ctx, md); - while ((length = BIO_read(input, buffer, sizeof(buffer))) > 0) - { - EVP_DigestUpdate(&md_ctx, buffer, length); - } - EVP_DigestFinal(&md_ctx, *md_value, NULL); - } - else - { - /* Digest bytes are specified with digest. */ - long digest_len; - *md_value = string_to_hex(digest, &digest_len); - if (!*md_value || md_value_len != digest_len) - { - OPENSSL_free(*md_value); - *md_value = NULL; - BIO_printf(bio_err, "bad digest, %d bytes " - "must be specified\n", md_value_len); - goto err; - } - } - - return md_value_len; - err: - return 0; - } - -static ASN1_INTEGER *create_nonce(int bits) - { - unsigned char buf[20]; - ASN1_INTEGER *nonce = NULL; - int len = (bits - 1) / 8 + 1; - int i; - - /* Generating random byte sequence. */ - if (len > (int)sizeof(buf)) goto err; - if (!RAND_bytes(buf, len)) goto err; - - /* Find the first non-zero byte and creating ASN1_INTEGER object. */ - for (i = 0; i < len && !buf[i]; ++i); - if (!(nonce = ASN1_INTEGER_new())) goto err; - OPENSSL_free(nonce->data); - /* Allocate at least one byte. */ - nonce->length = len - i; - if (!(nonce->data = OPENSSL_malloc(nonce->length + 1))) goto err; - memcpy(nonce->data, buf + i, nonce->length); - - return nonce; - err: - BIO_printf(bio_err, "could not create nonce\n"); - ASN1_INTEGER_free(nonce); - return NULL; - } -/* - * Reply-related method definitions. - */ - -static int reply_command(CONF *conf, char *section, char *engine, - char *queryfile, char *passin, char *inkey, - char *signer, char *chain, const char *policy, - char *in, int token_in, - char *out, int token_out, int text) - { - int ret = 0; - TS_RESP *response = NULL; - BIO *in_bio = NULL; - BIO *query_bio = NULL; - BIO *inkey_bio = NULL; - BIO *signer_bio = NULL; - BIO *out_bio = NULL; - - /* Build response object either from response or query. */ - if (in != NULL) - { - if ((in_bio = BIO_new_file(in, "rb")) == NULL) goto end; - if (token_in) - { - /* We have a ContentInfo (PKCS7) object, add - 'granted' status info around it. */ - response = read_PKCS7(in_bio); - } - else - { - /* We have a ready-made TS_RESP object. */ - response = d2i_TS_RESP_bio(in_bio, NULL); - } - } - else - { - response = create_response(conf, section, engine, queryfile, - passin, inkey, signer, chain, - policy); - if (response) - BIO_printf(bio_err, "Response has been generated.\n"); - else - BIO_printf(bio_err, "Response is not generated.\n"); - } - if (response == NULL) goto end; - - /* Write response either in ASN.1 or text format. */ - if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL) - goto end; - if (text) - { - /* Text output. */ - if (token_out) - { - TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response); - if (!TS_TST_INFO_print_bio(out_bio, tst_info)) goto end; - } - else - { - if (!TS_RESP_print_bio(out_bio, response)) goto end; - } - } - else - { - /* ASN.1 DER output. */ - if (token_out) - { - PKCS7 *token = TS_RESP_get_token(response); - if (!i2d_PKCS7_bio(out_bio, token)) goto end; - } - else - { - if (!i2d_TS_RESP_bio(out_bio, response)) goto end; - } - } - - ret = 1; - - end: - ERR_print_errors(bio_err); - - /* Clean up. */ - BIO_free_all(in_bio); - BIO_free_all(query_bio); - BIO_free_all(inkey_bio); - BIO_free_all(signer_bio); - BIO_free_all(out_bio); - TS_RESP_free(response); - - return ret; - } - -/* Reads a PKCS7 token and adds default 'granted' status info to it. */ -static TS_RESP *read_PKCS7(BIO *in_bio) - { - int ret = 0; - PKCS7 *token = NULL; - TS_TST_INFO *tst_info = NULL; - TS_RESP *resp = NULL; - TS_STATUS_INFO *si = NULL; - - /* Read PKCS7 object and extract the signed time stamp info. */ - if (!(token = d2i_PKCS7_bio(in_bio, NULL))) goto end; - if (!(tst_info = PKCS7_to_TS_TST_INFO(token))) goto end; - - /* Creating response object. */ - if (!(resp = TS_RESP_new())) goto end; - - /* Create granted status info. */ - if (!(si = TS_STATUS_INFO_new())) goto end; - if (!(ASN1_INTEGER_set(si->status, TS_STATUS_GRANTED))) goto end; - if (!TS_RESP_set_status_info(resp, si)) goto end; - - /* Setting encapsulated token. */ - TS_RESP_set_tst_info(resp, token, tst_info); - token = NULL; /* Ownership is lost. */ - tst_info = NULL; /* Ownership is lost. */ - - ret = 1; - end: - PKCS7_free(token); - TS_TST_INFO_free(tst_info); - if (!ret) - { - TS_RESP_free(resp); - resp = NULL; - } - TS_STATUS_INFO_free(si); - return resp; - } - -static TS_RESP *create_response(CONF *conf, const char *section, char *engine, - char *queryfile, char *passin, char *inkey, - char *signer, char *chain, const char *policy) - { - int ret = 0; - TS_RESP *response = NULL; - BIO *query_bio = NULL; - TS_RESP_CTX *resp_ctx = NULL; - - if (!(query_bio = BIO_new_file(queryfile, "rb"))) - goto end; - - /* Getting TSA configuration section. */ - if (!(section = TS_CONF_get_tsa_section(conf, section))) - goto end; - - /* Setting up response generation context. */ - if (!(resp_ctx = TS_RESP_CTX_new())) goto end; - - /* Setting serial number provider callback. */ - if (!TS_CONF_set_serial(conf, section, serial_cb, resp_ctx)) goto end; -#ifndef OPENSSL_NO_ENGINE - /* Setting default OpenSSL engine. */ - if (!TS_CONF_set_crypto_device(conf, section, engine)) goto end; -#endif - - /* Setting TSA signer certificate. */ - if (!TS_CONF_set_signer_cert(conf, section, signer, resp_ctx)) goto end; - - /* Setting TSA signer certificate chain. */ - if (!TS_CONF_set_certs(conf, section, chain, resp_ctx)) goto end; - - /* Setting TSA signer private key. */ - if (!TS_CONF_set_signer_key(conf, section, inkey, passin, resp_ctx)) - goto end; - - /* Setting default policy OID. */ - if (!TS_CONF_set_def_policy(conf, section, policy, resp_ctx)) goto end; - - /* Setting acceptable policy OIDs. */ - if (!TS_CONF_set_policies(conf, section, resp_ctx)) goto end; - - /* Setting the acceptable one-way hash algorithms. */ - if (!TS_CONF_set_digests(conf, section, resp_ctx)) goto end; - - /* Setting guaranteed time stamp accuracy. */ - if (!TS_CONF_set_accuracy(conf, section, resp_ctx)) goto end; - - /* Setting the precision of the time. */ - if (!TS_CONF_set_clock_precision_digits(conf, section, resp_ctx)) - goto end; - - /* Setting the ordering flaf if requested. */ - if (!TS_CONF_set_ordering(conf, section, resp_ctx)) goto end; - - /* Setting the TSA name required flag if requested. */ - if (!TS_CONF_set_tsa_name(conf, section, resp_ctx)) goto end; - - /* Setting the ESS cert id chain flag if requested. */ - if (!TS_CONF_set_ess_cert_id_chain(conf, section, resp_ctx)) goto end; - - /* Creating the response. */ - if (!(response = TS_RESP_create_response(resp_ctx, query_bio))) - goto end; - - ret = 1; - end: - if (!ret) - { - TS_RESP_free(response); - response = NULL; - } - TS_RESP_CTX_free(resp_ctx); - BIO_free_all(query_bio); - - return response; - } - -static ASN1_INTEGER * MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data) - { - const char *serial_file = (const char *) data; - ASN1_INTEGER *serial = next_serial(serial_file); - - if (!serial) - { - TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION, - "Error during serial number " - "generation."); - TS_RESP_CTX_add_failure_info(ctx, - TS_INFO_ADD_INFO_NOT_AVAILABLE); - } - else - save_ts_serial(serial_file, serial); - - return serial; - } - -static ASN1_INTEGER *next_serial(const char *serialfile) - { - int ret = 0; - BIO *in = NULL; - ASN1_INTEGER *serial = NULL; - BIGNUM *bn = NULL; - - if (!(serial = ASN1_INTEGER_new())) goto err; - - if (!(in = BIO_new_file(serialfile, "r"))) - { - ERR_clear_error(); - BIO_printf(bio_err, "Warning: could not open file %s for " - "reading, using serial number: 1\n", serialfile); - if (!ASN1_INTEGER_set(serial, 1)) goto err; - } - else - { - char buf[1024]; - if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf))) - { - BIO_printf(bio_err, "unable to load number from %s\n", - serialfile); - goto err; - } - if (!(bn = ASN1_INTEGER_to_BN(serial, NULL))) goto err; - ASN1_INTEGER_free(serial); - serial = NULL; - if (!BN_add_word(bn, 1)) goto err; - if (!(serial = BN_to_ASN1_INTEGER(bn, NULL))) goto err; - } - ret = 1; - err: - if (!ret) - { - ASN1_INTEGER_free(serial); - serial = NULL; - } - BIO_free_all(in); - BN_free(bn); - return serial; - } - -static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial) - { - int ret = 0; - BIO *out = NULL; - - if (!(out = BIO_new_file(serialfile, "w"))) goto err; - if (i2a_ASN1_INTEGER(out, serial) <= 0) goto err; - if (BIO_puts(out, "\n") <= 0) goto err; - ret = 1; - err: - if (!ret) - BIO_printf(bio_err, "could not save serial number to %s\n", - serialfile); - BIO_free_all(out); - return ret; - } - -/* - * Verify-related method definitions. - */ - -static int verify_command(char *data, char *digest, char *queryfile, - char *in, int token_in, - char *ca_path, char *ca_file, char *untrusted) - { - BIO *in_bio = NULL; - PKCS7 *token = NULL; - TS_RESP *response = NULL; - TS_VERIFY_CTX *verify_ctx = NULL; - int ret = 0; - - /* Decode the token (PKCS7) or response (TS_RESP) files. */ - if (!(in_bio = BIO_new_file(in, "rb"))) goto end; - if (token_in) - { - if (!(token = d2i_PKCS7_bio(in_bio, NULL))) goto end; - } - else - { - if (!(response = d2i_TS_RESP_bio(in_bio, NULL))) goto end; - } - - if (!(verify_ctx = create_verify_ctx(data, digest, queryfile, - ca_path, ca_file, untrusted))) - goto end; - - /* Checking the token or response against the request. */ - ret = token_in ? - TS_RESP_verify_token(verify_ctx, token) : - TS_RESP_verify_response(verify_ctx, response); - - end: - printf("Verification: "); - if (ret) - printf("OK\n"); - else - { - printf("FAILED\n"); - /* Print errors, if there are any. */ - ERR_print_errors(bio_err); - } - - /* Clean up. */ - BIO_free_all(in_bio); - PKCS7_free(token); - TS_RESP_free(response); - TS_VERIFY_CTX_free(verify_ctx); - return ret; - } - -static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest, - char *queryfile, - char *ca_path, char *ca_file, - char *untrusted) - { - TS_VERIFY_CTX *ctx = NULL; - BIO *input = NULL; - TS_REQ *request = NULL; - int ret = 0; - - if (data != NULL || digest != NULL) - { - if (!(ctx = TS_VERIFY_CTX_new())) goto err; - ctx->flags = TS_VFY_VERSION | TS_VFY_SIGNER; - if (data != NULL) - { - ctx->flags |= TS_VFY_DATA; - if (!(ctx->data = BIO_new_file(data, "rb"))) goto err; - } - else if (digest != NULL) - { - long imprint_len; - ctx->flags |= TS_VFY_IMPRINT; - if (!(ctx->imprint = string_to_hex(digest, - &imprint_len))) - { - BIO_printf(bio_err, "invalid digest string\n"); - goto err; - } - ctx->imprint_len = imprint_len; - } - - } - else if (queryfile != NULL) - { - /* The request has just to be read, decoded and converted to - a verify context object. */ - if (!(input = BIO_new_file(queryfile, "rb"))) goto err; - if (!(request = d2i_TS_REQ_bio(input, NULL))) goto err; - if (!(ctx = TS_REQ_to_TS_VERIFY_CTX(request, NULL))) goto err; - } - else - return NULL; - - /* Add the signature verification flag and arguments. */ - ctx->flags |= TS_VFY_SIGNATURE; - - /* Initialising the X509_STORE object. */ - if (!(ctx->store = create_cert_store(ca_path, ca_file))) goto err; - - /* Loading untrusted certificates. */ - if (untrusted && !(ctx->certs = TS_CONF_load_certs(untrusted))) - goto err; - - ret = 1; - err: - if (!ret) - { - TS_VERIFY_CTX_free(ctx); - ctx = NULL; - } - BIO_free_all(input); - TS_REQ_free(request); - return ctx; - } - -static X509_STORE *create_cert_store(char *ca_path, char *ca_file) - { - X509_STORE *cert_ctx = NULL; - X509_LOOKUP *lookup = NULL; - int i; - - /* Creating the X509_STORE object. */ - cert_ctx = X509_STORE_new(); - - /* Setting the callback for certificate chain verification. */ - X509_STORE_set_verify_cb_func(cert_ctx, verify_cb); - - /* Adding a trusted certificate directory source. */ - if (ca_path) - { - lookup = X509_STORE_add_lookup(cert_ctx, - X509_LOOKUP_hash_dir()); - if (lookup == NULL) - { - BIO_printf(bio_err, "memory allocation failure\n"); - goto err; - } - i = X509_LOOKUP_add_dir(lookup, ca_path, X509_FILETYPE_PEM); - if (!i) - { - BIO_printf(bio_err, "Error loading directory %s\n", - ca_path); - goto err; - } - } - - /* Adding a trusted certificate file source. */ - if (ca_file) - { - lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file()); - if (lookup == NULL) - { - BIO_printf(bio_err, "memory allocation failure\n"); - goto err; - } - i = X509_LOOKUP_load_file(lookup, ca_file, X509_FILETYPE_PEM); - if (!i) - { - BIO_printf(bio_err, "Error loading file %s\n", ca_file); - goto err; - } - } - - return cert_ctx; - err: - X509_STORE_free(cert_ctx); - return NULL; - } - -static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx) - { - /* - char buf[256]; - - if (!ok) - { - X509_NAME_oneline(X509_get_subject_name(ctx->current_cert), - buf, sizeof(buf)); - printf("%s\n", buf); - printf("error %d at %d depth lookup: %s\n", - ctx->error, ctx->error_depth, - X509_verify_cert_error_string(ctx->error)); - } - */ - - return ok; - } |
