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>
29 #include <sys/socket.h>
30 #include <netinet/in.h>
31 #include <arpa/inet.h>
34 /* For X509_NAME_add_entry_by_txt */
35 # pragma GCC diagnostic ignored "-Wpointer-sign"
38 #define T(e) ({ if (!(e)) { \
39 ERR_print_errors_fp(stderr); \
40 OpenSSLDie(__FILE__, __LINE__, #e); \
43 #define TE(e) ({ if (!(e)) { \
44 ERR_print_errors_fp(stderr); \
45 fprintf(stderr, "Error at %s:%d %s\n", __FILE__, __LINE__, #e); \
50 #define cRED "\033[1;31m"
51 #define cDRED "\033[0;31m"
52 #define cGREEN "\033[1;32m"
53 #define cDGREEN "\033[0;32m"
54 #define cBLUE "\033[1;34m"
55 #define cDBLUE "\033[0;34m"
56 #define cNORM "\033[m"
57 #define TEST_ASSERT(e) {if ((test = (e))) \
58 printf(cRED " Test FAILED\n" cNORM); \
60 printf(cGREEN " Test passed\n" cNORM);}
68 static const char *cipher_list;
70 /* How much K to transfer between client and server. */
71 #define KTRANSFER (1 * 1024)
73 static void err(int eval, const char *fmt, ...)
80 printf(": %s\n", strerror(errno));
85 * Simple TLS Server code is based on
86 * https://wiki.openssl.org/index.php/Simple_TLS_Server
88 static int s_server(EVP_PKEY *pkey, X509 *cert, int client)
91 T(ctx = SSL_CTX_new(TLS_server_method()));
92 T(SSL_CTX_use_certificate(ctx, cert));
93 T(SSL_CTX_use_PrivateKey(ctx, pkey));
94 T(SSL_CTX_check_private_key(ctx));
97 T(ssl = SSL_new(ctx));
98 T(SSL_set_fd(ssl, client));
100 T(SSL_set_cipher_list(ssl, cipher_list));
101 T(SSL_accept(ssl) == 1);
103 /* Receive data from client */
106 for (i = 0; i < KTRANSFER; i++) {
109 T(SSL_read(ssl, buf, sizeof(buf)) == sizeof(buf));
110 for (k = 0; k < sizeof(buf); k++)
112 err(1, "corruption from client");
114 /* Send data to client. */
115 memset(buf, 's', sizeof(buf));
116 for (i = 0; i < KTRANSFER; i++) {
117 T(SSL_write(ssl, buf, sizeof(buf)) == sizeof(buf));
128 * Simple TLC Client code is based on man BIO_f_ssl and
129 * https://wiki.openssl.org/index.php/SSL/TLS_Client
131 static int s_client(int server)
134 T(ctx = SSL_CTX_new(TLS_client_method()));
137 T(sbio = BIO_new_ssl_connect(ctx));
139 T(BIO_get_ssl(sbio, &ssl));
140 T(SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY));
142 T(SSL_set_cipher_list(ssl, cipher_list));
144 /* Does not work with reneg. */
145 BIO_set_ssl_renegotiate_bytes(sbio, 100 * 1024);
147 T(SSL_set_fd(ssl, server));
148 T(BIO_do_handshake(sbio) == 1);
150 printf("Protocol: %s\n", SSL_get_version(ssl));
151 printf("Cipher: %s\n", SSL_get_cipher_name(ssl));
153 SSL_SESSION *sess = SSL_get0_session(ssl);
154 SSL_SESSION_print_fp(stdout, sess);
158 T(cert = SSL_get_peer_certificate(ssl));
160 int verify = SSL_get_verify_result(ssl);
161 printf("Verify: %s\n", X509_verify_cert_error_string(verify));
162 if (verify != X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
163 err(1, "invalid SSL_get_verify_result");
165 /* Send data to server. */
168 memset(buf, 'c', sizeof(buf));
169 for (i = 0; i < KTRANSFER; i++) {
170 T(BIO_write(sbio, buf, sizeof(buf)) == sizeof(buf));
172 (void)BIO_shutdown_wr(sbio);
174 /* Receive data from server. */
175 for (i = 0; i < KTRANSFER; i++) {
177 int n = BIO_read(sbio, buf, sizeof(buf));
179 if (n != sizeof(buf)) {
180 printf("i:%d BIO_read:%d SSL_get_error:%d\n", i, n,
181 SSL_get_error(ssl, n));
182 ERR_print_errors_fp(stderr);
186 for (k = 0; k < sizeof(buf); k++)
188 err(1, "corruption from server");
191 i = BIO_get_num_renegotiates(sbio);
193 printf("Renegs: %d\n", i);
200 /* Generate simple cert+key pair. Based on req.c */
201 static struct certkey certgen(const char *algname, const char *paramset)
205 T(tkey = EVP_PKEY_new());
206 T(EVP_PKEY_set_type_str(tkey, algname, strlen(algname)));
208 T(ctx = EVP_PKEY_CTX_new(tkey, NULL));
209 T(EVP_PKEY_keygen_init(ctx));
211 T(EVP_PKEY_CTX_ctrl_str(ctx, "paramset", paramset));
212 EVP_PKEY *pkey = NULL;
213 T((EVP_PKEY_keygen(ctx, &pkey)) == 1);
214 EVP_PKEY_CTX_free(ctx);
218 X509_REQ *req = NULL;
219 T(req = X509_REQ_new());
220 T(X509_REQ_set_version(req, 0L));
222 T(name = X509_NAME_new());
223 T(X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC, "Test CA", -1, -1, 0));
224 T(X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC, "Test Key", -1, -1, 0));
225 T(X509_REQ_set_subject_name(req, name));
226 T(X509_REQ_set_pubkey(req, pkey));
227 X509_NAME_free(name);
231 T(x509ss = X509_new());
232 T(X509_set_version(x509ss, 2));
233 BIGNUM *brnd = BN_new();
234 T(BN_rand(brnd, 20 * 8 - 1, -1, 0));
235 T(BN_to_ASN1_INTEGER(brnd, X509_get_serialNumber(x509ss)));
236 T(X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)));
237 T(X509_gmtime_adj(X509_getm_notBefore(x509ss), 0));
238 T(X509_time_adj_ex(X509_getm_notAfter(x509ss), 1, 0, NULL));
239 T(X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req)));
240 T(X509_set_pubkey(x509ss, X509_REQ_get0_pubkey(req)));
245 X509V3_set_ctx_nodb(&v3ctx);
246 X509V3_set_ctx(&v3ctx, x509ss, x509ss, NULL, NULL, 0);
248 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_basic_constraints, "critical,CA:TRUE"));
249 T(X509_add_ext(x509ss, ext, 0));
250 X509_EXTENSION_free(ext);
251 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_subject_key_identifier, "hash"));
252 T(X509_add_ext(x509ss, ext, 1));
253 X509_EXTENSION_free(ext);
254 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_authority_key_identifier, "keyid:always,issuer"));
255 T(X509_add_ext(x509ss, ext, 2));
256 X509_EXTENSION_free(ext);
259 T(mctx = EVP_MD_CTX_new());
260 T(EVP_DigestSignInit(mctx, NULL, NULL, NULL, pkey));
261 T(X509_sign_ctx(x509ss, mctx));
262 EVP_MD_CTX_free(mctx);
264 /* Print cert in text format. */
265 X509_print_fp(stdout, x509ss);
268 /* Print cert in PEM format. */
269 BIO *out = BIO_new_fp(stdout, BIO_NOCLOSE | BIO_FP_TEXT);
270 PEM_write_bio_X509(out, x509ss);
273 return (struct certkey){ .pkey = pkey, .cert = x509ss };
276 int test(const char *algname, const char *paramset)
280 printf(cBLUE "Test %s", algname);
282 printf(cBLUE ":%s", paramset);
286 ck = certgen(algname, paramset);
289 if (socketpair(AF_UNIX, SOCK_STREAM, 0, sockfd) == -1)
290 err(1, "socketpair");
294 /* Run server in separate process. */
295 pid_t server_pid = fork();
297 err(1, "fork server");
298 if (server_pid == 0) {
299 ret = s_server(ck.pkey, ck.cert, sockfd[1]);
301 EVP_PKEY_free(ck.pkey);
305 /* Run client in separate process. */
306 pid_t client_pid = fork();
308 err(1, "fork client");
309 if (client_pid == 0) {
310 ret = s_client(sockfd[0]);
312 EVP_PKEY_free(ck.pkey);
316 /* Wait for first child to exit. */
318 pid_t exited_pid = wait(&status);
319 ret = (WIFEXITED(status) && WEXITSTATUS(status)) ||
320 (WIFSIGNALED(status) && WTERMSIG(status));
322 fprintf(stderr, cRED "%s child %s with %d %s" cNORM,
323 exited_pid == server_pid? "server" : "client",
324 WIFSIGNALED(status)? "killed" : "exited",
325 WIFSIGNALED(status)? WTERMSIG(status) : WEXITSTATUS(status),
326 WIFSIGNALED(status)? strsignal(WTERMSIG(status)) : "");
328 /* If first child exited with error, kill other. */
329 fprintf(stderr, "terminating %s by force",
330 exited_pid == server_pid? "client" : "server");
331 kill(exited_pid == server_pid? client_pid : server_pid, SIGTERM);
334 exited_pid = wait(&status);
335 /* Report error unless we killed it. */
336 if (!ret && (!WIFEXITED(status) || WEXITSTATUS(status)))
337 fprintf(stderr, cRED "%s child %s with %d %s" cNORM,
338 exited_pid == server_pid? "server" : "client",
339 WIFSIGNALED(status)? "killed" : "exited",
340 WIFSIGNALED(status)? WTERMSIG(status) : WEXITSTATUS(status),
341 WIFSIGNALED(status)? strsignal(WTERMSIG(status)) : "");
342 ret |= (WIFEXITED(status) && WEXITSTATUS(status)) ||
343 (WIFSIGNALED(status) && WTERMSIG(status));
345 /* Every responsible process should free this. */
347 EVP_PKEY_free(ck.pkey);
348 #ifdef __SANITIZE_ADDRESS__
349 /* Abort on the first (hopefully) ASan error. */
356 int main(int argc, char **argv)
360 OPENSSL_add_all_algorithms_conf();
363 if ((p = getenv("VERBOSE")))
366 ret |= test("rsa", NULL);
367 cipher_list = "LEGACY-GOST2012-GOST8912-GOST8912";
368 ret |= test("gost2012_256", "A");
369 ret |= test("gost2012_256", "B");
370 ret |= test("gost2012_256", "C");
371 ret |= test("gost2012_256", "TCA");
372 ret |= test("gost2012_512", "A");
373 ret |= test("gost2012_512", "B");
374 ret |= test("gost2012_512", "C");
377 printf(cDRED "= Some tests FAILED!\n" cNORM);
379 printf(cDGREEN "= All tests passed!\n" cNORM);