2 * Simple Client/Server connection test
4 * Based on OpenSSL example code.
5 * Copyright (C) 2019 vt@altlinux.org. All Rights Reserved.
7 * Contents licensed under the terms of the OpenSSL license
8 * See https://www.openssl.org/source/license.html for details
11 #include "e_gost_err.h"
13 #include <openssl/evp.h>
14 #include <openssl/ssl.h>
15 #include <openssl/bio.h>
16 #include <openssl/rand.h>
17 #include <openssl/err.h>
18 #include <openssl/asn1.h>
19 #include <openssl/obj_mac.h>
20 #include <openssl/x509v3.h>
21 #include <openssl/ec.h>
22 #include <openssl/bn.h>
27 #include <sys/types.h>
28 #include <sys/socket.h>
29 #include <arpa/inet.h>
32 /* For X509_NAME_add_entry_by_txt */
33 #pragma GCC diagnostic ignored "-Wpointer-sign"
35 #define T(e) ({ if (!(e)) { \
36 ERR_print_errors_fp(stderr); \
37 OpenSSLDie(__FILE__, __LINE__, #e); \
40 #define TE(e) ({ if (!(e)) { \
41 ERR_print_errors_fp(stderr); \
42 fprintf(stderr, "Error at %s:%d %s\n", __FILE__, __LINE__, #e); \
47 #define cRED "\033[1;31m"
48 #define cDRED "\033[0;31m"
49 #define cGREEN "\033[1;32m"
50 #define cDGREEN "\033[0;32m"
51 #define cBLUE "\033[1;34m"
52 #define cDBLUE "\033[0;34m"
53 #define cNORM "\033[m"
54 #define TEST_ASSERT(e) {if ((test = (e))) \
55 printf(cRED " Test FAILED\n" cNORM); \
57 printf(cGREEN " Test passed\n" cNORM);}
64 /* How much K to transfer between client and server. */
65 #define KTRANSFER (1 * 1024)
68 * Simple TLS Server code is based on
69 * https://wiki.openssl.org/index.php/Simple_TLS_Server
71 static int s_server(EVP_PKEY *pkey, X509 *cert, int pipewr)
74 T(ctx = SSL_CTX_new(TLS_server_method()));
75 T(SSL_CTX_use_certificate(ctx, cert));
76 T(SSL_CTX_use_PrivateKey(ctx, pkey));
77 T(SSL_CTX_check_private_key(ctx));
79 struct sockaddr_in addr = { .sin_family = AF_INET };
82 sock = socket(AF_INET, SOCK_STREAM, 0);
85 if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof(int)) < 0)
87 if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0)
90 if (getsockname(sock, (struct sockaddr *)&addr, &len) < 0)
91 err(1, "getsockname");
92 int port = ntohs(addr.sin_port);
93 if (listen(sock, 1) < 0)
95 /* Signal to client that server is ready. */
96 if (write(pipewr, &port, sizeof(port)) != sizeof(port))
100 int client = accept(sock, (struct sockaddr *)&addr, &len);
106 SSL_set_fd(ssl, client);
107 T(SSL_accept(ssl) == 1);
109 /* Receive data from client */
112 for (i = 0; i < KTRANSFER; i++) {
115 T(SSL_read(ssl, buf, sizeof(buf)) == sizeof(buf));
116 for (k = 0; k < sizeof(buf); k++)
118 err(1, "corruption from client");
120 /* Send data to client. */
121 memset(buf, 's', sizeof(buf));
122 for (i = 0; i < KTRANSFER; i++) {
123 T(SSL_write(ssl, buf, sizeof(buf)) == sizeof(buf));
135 * Simple TLC Client code is based on man BIO_f_ssl and
136 * https://wiki.openssl.org/index.php/SSL/TLS_Client
138 static int s_client(int piperd)
141 T(ctx = SSL_CTX_new(TLS_client_method()));
144 T(sbio = BIO_new_ssl_connect(ctx));
146 T(BIO_get_ssl(sbio, &ssl));
147 T(SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY));
149 /* Does not work with reneg. */
150 BIO_set_ssl_renegotiate_bytes(sbio, 100 * 1024);
154 /* Wait for server to be ready. */
155 if (read(piperd, &port, sizeof(port)) != sizeof(port))
158 snprintf(tport, sizeof(tport), "%d", port);
159 T(BIO_set_conn_port(sbio, tport));
160 T(BIO_do_connect(sbio) == 1);
161 T(BIO_do_handshake(sbio) == 1);
164 printf("Protocol: %s\n", SSL_get_version(ssl));
165 printf("Cipher: %s\n", SSL_get_cipher_name(ssl));
167 SSL_SESSION *sess = SSL_get0_session(ssl);
168 SSL_SESSION_print_fp(stdout, sess);
172 T(cert = SSL_get_peer_certificate(ssl));
174 int verify = SSL_get_verify_result(ssl);
175 printf("Verify: %s\n", X509_verify_cert_error_string(verify));
176 if (verify != X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
177 err(1, "invalid SSL_get_verify_result");
179 /* Send data to server. */
182 memset(buf, 'c', sizeof(buf));
183 for (i = 0; i < KTRANSFER; i++) {
184 T(BIO_write(sbio, buf, sizeof(buf)) == sizeof(buf));
186 (void)BIO_shutdown_wr(sbio);
188 /* Receive data from server. */
189 for (i = 0; i < KTRANSFER; i++) {
191 int n = BIO_read(sbio, buf, sizeof(buf));
193 if (n != sizeof(buf)) {
194 printf("i:%d BIO_read:%d SSL_get_error:%d\n", i, n,
195 SSL_get_error(ssl, n));
196 ERR_print_errors_fp(stderr);
200 for (k = 0; k < sizeof(buf); k++)
202 err(1, "corruption from server");
205 i = BIO_get_num_renegotiates(sbio);
207 printf("Renegs: %d\n", i);
214 /* Generate simple cert+key pair. Based on req.c */
215 static struct certkey certgen(const char *algname, const char *paramset)
219 T(tkey = EVP_PKEY_new());
220 T(EVP_PKEY_set_type_str(tkey, algname, strlen(algname)));
222 T(ctx = EVP_PKEY_CTX_new(tkey, NULL));
223 T(EVP_PKEY_keygen_init(ctx));
225 T(EVP_PKEY_CTX_ctrl_str(ctx, "paramset", paramset));
226 EVP_PKEY *pkey = NULL;
227 T((EVP_PKEY_keygen(ctx, &pkey)) == 1);
228 EVP_PKEY_CTX_free(ctx);
232 X509_REQ *req = NULL;
233 T(req = X509_REQ_new());
234 T(X509_REQ_set_version(req, 0L));
236 T(name = X509_NAME_new());
237 T(X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC, "Test CA", -1, -1, 0));
238 T(X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC, "Test Key", -1, -1, 0));
239 T(X509_REQ_set_subject_name(req, name));
240 T(X509_REQ_set_pubkey(req, pkey));
241 X509_NAME_free(name);
245 T(x509ss = X509_new());
246 T(X509_set_version(x509ss, 2));
247 BIGNUM *brnd = BN_new();
248 T(BN_rand(brnd, 20 * 8 - 1, -1, 0));
249 T(BN_to_ASN1_INTEGER(brnd, X509_get_serialNumber(x509ss)));
250 T(X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)));
251 T(X509_gmtime_adj(X509_getm_notBefore(x509ss), 0));
252 T(X509_time_adj_ex(X509_getm_notAfter(x509ss), 1, 0, NULL));
253 T(X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req)));
254 T(X509_set_pubkey(x509ss, X509_REQ_get0_pubkey(req)));
259 X509V3_set_ctx_nodb(&v3ctx);
260 X509V3_set_ctx(&v3ctx, x509ss, x509ss, NULL, NULL, 0);
262 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_basic_constraints, "critical,CA:TRUE"));
263 T(X509_add_ext(x509ss, ext, 0));
264 X509_EXTENSION_free(ext);
265 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_subject_key_identifier, "hash"));
266 T(X509_add_ext(x509ss, ext, 1));
267 X509_EXTENSION_free(ext);
268 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_authority_key_identifier, "keyid:always,issuer"));
269 T(X509_add_ext(x509ss, ext, 2));
270 X509_EXTENSION_free(ext);
273 T(mctx = EVP_MD_CTX_new());
274 T(EVP_DigestSignInit(mctx, NULL, NULL, NULL, pkey));
275 T(X509_sign_ctx(x509ss, mctx));
276 EVP_MD_CTX_free(mctx);
278 /* Print cert in text format. */
279 X509_print_fp(stdout, x509ss);
282 /* Print cert in PEM format. */
283 BIO *out = BIO_new_fp(stdout, BIO_NOCLOSE | BIO_FP_TEXT);
284 PEM_write_bio_X509(out, x509ss);
287 return (struct certkey){ .pkey = pkey, .cert = x509ss };
290 int test(const char *algname, const char *paramset)
294 printf(cBLUE "Test %s", algname);
296 printf(cBLUE ":%s", paramset);
300 ck = certgen(algname, paramset);
313 ret = s_client(pipefd[0]);
315 ret |= WIFEXITED(status) && WEXITSTATUS(status);
317 EVP_PKEY_free(ck.pkey);
318 } else if (pid == 0) {
319 ret = s_server(ck.pkey, ck.cert, pipefd[1]);
321 EVP_PKEY_free(ck.pkey);
328 int main(int argc, char **argv)
332 setenv("OPENSSL_ENGINES", ENGINE_DIR, 0);
333 OPENSSL_add_all_algorithms_conf();
334 ERR_load_crypto_strings();
336 T(eng = ENGINE_by_id("gost"));
338 T(ENGINE_set_default(eng, ENGINE_METHOD_ALL));
340 ret |= test("rsa", NULL);
341 ret |= test("gost2012_256", "A");
342 ret |= test("gost2012_256", "B");
343 ret |= test("gost2012_256", "C");
344 ret |= test("gost2012_256", "TCA");
345 ret |= test("gost2012_512", "A");
346 ret |= test("gost2012_512", "B");
347 ret |= test("gost2012_512", "C");
353 printf(cDRED "= Some tests FAILED!\n" cNORM);
355 printf(cDGREEN "= All tests passed!\n" cNORM);