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>
33 /* For X509_NAME_add_entry_by_txt */
34 #pragma GCC diagnostic ignored "-Wpointer-sign"
36 #define T(e) ({ if (!(e)) { \
37 ERR_print_errors_fp(stderr); \
38 OpenSSLDie(__FILE__, __LINE__, #e); \
41 #define TE(e) ({ if (!(e)) { \
42 ERR_print_errors_fp(stderr); \
43 fprintf(stderr, "Error at %s:%d %s\n", __FILE__, __LINE__, #e); \
48 #define cRED "\033[1;31m"
49 #define cDRED "\033[0;31m"
50 #define cGREEN "\033[1;32m"
51 #define cDGREEN "\033[0;32m"
52 #define cBLUE "\033[1;34m"
53 #define cDBLUE "\033[0;34m"
54 #define cNORM "\033[m"
55 #define TEST_ASSERT(e) {if ((test = (e))) \
56 printf(cRED " Test FAILED\n" cNORM); \
58 printf(cGREEN " Test passed\n" cNORM);}
66 static const char *cipher_list;
68 /* How much K to transfer between client and server. */
69 #define KTRANSFER (1 * 1024)
71 static void err(int eval, const char *fmt, ...)
78 printf(": %s\n", strerror(errno));
83 * Simple TLS Server code is based on
84 * https://wiki.openssl.org/index.php/Simple_TLS_Server
86 static int s_server(EVP_PKEY *pkey, X509 *cert, int client)
89 T(ctx = SSL_CTX_new(TLS_server_method()));
90 T(SSL_CTX_use_certificate(ctx, cert));
91 T(SSL_CTX_use_PrivateKey(ctx, pkey));
92 T(SSL_CTX_check_private_key(ctx));
95 T(ssl = SSL_new(ctx));
96 T(SSL_set_fd(ssl, client));
98 T(SSL_set_cipher_list(ssl, cipher_list));
99 T(SSL_accept(ssl) == 1);
101 /* Receive data from client */
104 for (i = 0; i < KTRANSFER; i++) {
107 T(SSL_read(ssl, buf, sizeof(buf)) == sizeof(buf));
108 for (k = 0; k < sizeof(buf); k++)
110 err(1, "corruption from client");
112 /* Send data to client. */
113 memset(buf, 's', sizeof(buf));
114 for (i = 0; i < KTRANSFER; i++) {
115 T(SSL_write(ssl, buf, sizeof(buf)) == sizeof(buf));
126 * Simple TLC Client code is based on man BIO_f_ssl and
127 * https://wiki.openssl.org/index.php/SSL/TLS_Client
129 static int s_client(int server)
132 T(ctx = SSL_CTX_new(TLS_client_method()));
135 T(sbio = BIO_new_ssl_connect(ctx));
137 T(BIO_get_ssl(sbio, &ssl));
138 T(SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY));
140 T(SSL_set_cipher_list(ssl, cipher_list));
142 /* Does not work with reneg. */
143 BIO_set_ssl_renegotiate_bytes(sbio, 100 * 1024);
145 T(SSL_set_fd(ssl, server));
146 T(BIO_do_handshake(sbio) == 1);
148 printf("Protocol: %s\n", SSL_get_version(ssl));
149 printf("Cipher: %s\n", SSL_get_cipher_name(ssl));
151 SSL_SESSION *sess = SSL_get0_session(ssl);
152 SSL_SESSION_print_fp(stdout, sess);
156 T(cert = SSL_get_peer_certificate(ssl));
158 int verify = SSL_get_verify_result(ssl);
159 printf("Verify: %s\n", X509_verify_cert_error_string(verify));
160 if (verify != X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
161 err(1, "invalid SSL_get_verify_result");
163 /* Send data to server. */
166 memset(buf, 'c', sizeof(buf));
167 for (i = 0; i < KTRANSFER; i++) {
168 T(BIO_write(sbio, buf, sizeof(buf)) == sizeof(buf));
170 (void)BIO_shutdown_wr(sbio);
172 /* Receive data from server. */
173 for (i = 0; i < KTRANSFER; i++) {
175 int n = BIO_read(sbio, buf, sizeof(buf));
177 if (n != sizeof(buf)) {
178 printf("i:%d BIO_read:%d SSL_get_error:%d\n", i, n,
179 SSL_get_error(ssl, n));
180 ERR_print_errors_fp(stderr);
184 for (k = 0; k < sizeof(buf); k++)
186 err(1, "corruption from server");
189 i = BIO_get_num_renegotiates(sbio);
191 printf("Renegs: %d\n", i);
198 /* Generate simple cert+key pair. Based on req.c */
199 static struct certkey certgen(const char *algname, const char *paramset)
203 T(tkey = EVP_PKEY_new());
204 T(EVP_PKEY_set_type_str(tkey, algname, strlen(algname)));
206 T(ctx = EVP_PKEY_CTX_new(tkey, NULL));
207 T(EVP_PKEY_keygen_init(ctx));
209 T(EVP_PKEY_CTX_ctrl_str(ctx, "paramset", paramset));
210 EVP_PKEY *pkey = NULL;
211 T((EVP_PKEY_keygen(ctx, &pkey)) == 1);
212 EVP_PKEY_CTX_free(ctx);
216 X509_REQ *req = NULL;
217 T(req = X509_REQ_new());
218 T(X509_REQ_set_version(req, 0L));
220 T(name = X509_NAME_new());
221 T(X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC, "Test CA", -1, -1, 0));
222 T(X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC, "Test Key", -1, -1, 0));
223 T(X509_REQ_set_subject_name(req, name));
224 T(X509_REQ_set_pubkey(req, pkey));
225 X509_NAME_free(name);
229 T(x509ss = X509_new());
230 T(X509_set_version(x509ss, 2));
231 BIGNUM *brnd = BN_new();
232 T(BN_rand(brnd, 20 * 8 - 1, -1, 0));
233 T(BN_to_ASN1_INTEGER(brnd, X509_get_serialNumber(x509ss)));
234 T(X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)));
235 T(X509_gmtime_adj(X509_getm_notBefore(x509ss), 0));
236 T(X509_time_adj_ex(X509_getm_notAfter(x509ss), 1, 0, NULL));
237 T(X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req)));
238 T(X509_set_pubkey(x509ss, X509_REQ_get0_pubkey(req)));
243 X509V3_set_ctx_nodb(&v3ctx);
244 X509V3_set_ctx(&v3ctx, x509ss, x509ss, NULL, NULL, 0);
246 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_basic_constraints, "critical,CA:TRUE"));
247 T(X509_add_ext(x509ss, ext, 0));
248 X509_EXTENSION_free(ext);
249 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_subject_key_identifier, "hash"));
250 T(X509_add_ext(x509ss, ext, 1));
251 X509_EXTENSION_free(ext);
252 T(ext = X509V3_EXT_conf_nid(NULL, &v3ctx, NID_authority_key_identifier, "keyid:always,issuer"));
253 T(X509_add_ext(x509ss, ext, 2));
254 X509_EXTENSION_free(ext);
257 T(mctx = EVP_MD_CTX_new());
258 T(EVP_DigestSignInit(mctx, NULL, NULL, NULL, pkey));
259 T(X509_sign_ctx(x509ss, mctx));
260 EVP_MD_CTX_free(mctx);
262 /* Print cert in text format. */
263 X509_print_fp(stdout, x509ss);
266 /* Print cert in PEM format. */
267 BIO *out = BIO_new_fp(stdout, BIO_NOCLOSE | BIO_FP_TEXT);
268 PEM_write_bio_X509(out, x509ss);
271 return (struct certkey){ .pkey = pkey, .cert = x509ss };
274 int test(const char *algname, const char *paramset)
278 printf(cBLUE "Test %s", algname);
280 printf(cBLUE ":%s", paramset);
284 ck = certgen(algname, paramset);
287 if (socketpair(AF_UNIX, SOCK_STREAM, 0, sockfd) == -1)
288 err(1, "socketpair");
292 /* Run server in separate process. */
293 pid_t server_pid = fork();
295 err(1, "fork server");
296 if (server_pid == 0) {
297 ret = s_server(ck.pkey, ck.cert, sockfd[1]);
299 EVP_PKEY_free(ck.pkey);
303 /* Run client in separate process. */
304 pid_t client_pid = fork();
306 err(1, "fork client");
307 if (client_pid == 0) {
308 ret = s_client(sockfd[0]);
310 EVP_PKEY_free(ck.pkey);
314 /* Wait for first child to exit. */
316 pid_t exited_pid = wait(&status);
317 ret = (WIFEXITED(status) && WEXITSTATUS(status)) ||
318 (WIFSIGNALED(status) && WTERMSIG(status));
320 fprintf(stderr, cRED "%s child %s with %d %s" cNORM,
321 exited_pid == server_pid? "server" : "client",
322 WIFSIGNALED(status)? "killed" : "exited",
323 WIFSIGNALED(status)? WTERMSIG(status) : WEXITSTATUS(status),
324 WIFSIGNALED(status)? strsignal(WTERMSIG(status)) : "");
326 /* If first child exited with error, kill other. */
327 fprintf(stderr, "terminating %s by force",
328 exited_pid == server_pid? "client" : "server");
329 kill(exited_pid == server_pid? client_pid : server_pid, SIGTERM);
332 exited_pid = wait(&status);
333 /* Report error unless we killed it. */
334 if (!ret && (!WIFEXITED(status) || WEXITSTATUS(status)))
335 fprintf(stderr, cRED "%s child %s with %d %s" cNORM,
336 exited_pid == server_pid? "server" : "client",
337 WIFSIGNALED(status)? "killed" : "exited",
338 WIFSIGNALED(status)? WTERMSIG(status) : WEXITSTATUS(status),
339 WIFSIGNALED(status)? strsignal(WTERMSIG(status)) : "");
340 ret |= (WIFEXITED(status) && WEXITSTATUS(status)) ||
341 (WIFSIGNALED(status) && WTERMSIG(status));
343 /* Every responsible process should free this. */
345 EVP_PKEY_free(ck.pkey);
346 #ifdef __SANITIZE_ADDRESS__
347 /* Abort on the first (hopefully) ASan error. */
354 int main(int argc, char **argv)
358 OPENSSL_add_all_algorithms_conf();
361 if ((p = getenv("VERBOSE")))
364 ret |= test("rsa", NULL);
365 cipher_list = "LEGACY-GOST2012-GOST8912-GOST8912";
366 ret |= test("gost2012_256", "A");
367 ret |= test("gost2012_256", "B");
368 ret |= test("gost2012_256", "C");
369 ret |= test("gost2012_256", "TCA");
370 ret |= test("gost2012_512", "A");
371 ret |= test("gost2012_512", "B");
372 ret |= test("gost2012_512", "C");
375 printf(cDRED "= Some tests FAILED!\n" cNORM);
377 printf(cDGREEN "= All tests passed!\n" cNORM);