1/*
2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include <stdlib.h>
12#include <string.h>
13
14#include <openssl/opensslconf.h>
15
16#ifndef OPENSSL_NO_SOCK
17
18#include "apps.h"
19#include "progs.h"
20#include <openssl/x509.h>
21#include <openssl/ssl.h>
22#include <openssl/pem.h>
23#include "s_apps.h"
24#include <openssl/err.h>
25#include <internal/sockets.h>
26#if !defined(OPENSSL_SYS_MSDOS)
27# include OPENSSL_UNISTD
28#endif
29
30#define SSL_CONNECT_NAME        "localhost:4433"
31
32#define SECONDS 30
33#define SECONDSSTR "30"
34
35static SSL *doConnection(SSL *scon, const char *host, SSL_CTX *ctx);
36
37/*
38 * Define a HTTP get command globally.
39 * Also define the size of the command, this is two bytes less than
40 * the size of the string because the %s is replaced by the URL.
41 */
42static const char fmt_http_get_cmd[] = "GET %s HTTP/1.0\r\n\r\n";
43static const size_t fmt_http_get_cmd_size = sizeof(fmt_http_get_cmd) - 2;
44
45typedef enum OPTION_choice {
46    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
47    OPT_CONNECT, OPT_CIPHER, OPT_CIPHERSUITES, OPT_CERT, OPT_NAMEOPT, OPT_KEY,
48    OPT_CAPATH, OPT_CAFILE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NEW, OPT_REUSE,
49    OPT_BUGS, OPT_VERIFY, OPT_TIME, OPT_SSL3,
50    OPT_WWW
51} OPTION_CHOICE;
52
53const OPTIONS s_time_options[] = {
54    {"help", OPT_HELP, '-', "Display this summary"},
55    {"connect", OPT_CONNECT, 's',
56     "Where to connect as post:port (default is " SSL_CONNECT_NAME ")"},
57    {"cipher", OPT_CIPHER, 's', "TLSv1.2 and below cipher list to be used"},
58    {"ciphersuites", OPT_CIPHERSUITES, 's',
59     "Specify TLSv1.3 ciphersuites to be used"},
60    {"cert", OPT_CERT, '<', "Cert file to use, PEM format assumed"},
61    {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
62    {"key", OPT_KEY, '<', "File with key, PEM; default is -cert file"},
63    {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
64    {"cafile", OPT_CAFILE, '<', "PEM format file of CA's"},
65    {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
66    {"no-CAfile", OPT_NOCAFILE, '-',
67     "Do not load the default certificates file"},
68    {"no-CApath", OPT_NOCAPATH, '-',
69     "Do not load certificates from the default certificates directory"},
70    {"new", OPT_NEW, '-', "Just time new connections"},
71    {"reuse", OPT_REUSE, '-', "Just time connection reuse"},
72    {"bugs", OPT_BUGS, '-', "Turn on SSL bug compatibility"},
73    {"verify", OPT_VERIFY, 'p',
74     "Turn on peer certificate verification, set depth"},
75    {"time", OPT_TIME, 'p', "Seconds to collect data, default " SECONDSSTR},
76    {"www", OPT_WWW, 's', "Fetch specified page from the site"},
77#ifndef OPENSSL_NO_SSL3
78    {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
79#endif
80    {NULL}
81};
82
83#define START   0
84#define STOP    1
85
86static double tm_Time_F(int s)
87{
88    return app_tminterval(s, 1);
89}
90
91int s_time_main(int argc, char **argv)
92{
93    char buf[1024 * 8];
94    SSL *scon = NULL;
95    SSL_CTX *ctx = NULL;
96    const SSL_METHOD *meth = NULL;
97    char *CApath = NULL, *CAfile = NULL, *cipher = NULL, *ciphersuites = NULL;
98    char *www_path = NULL;
99    char *host = SSL_CONNECT_NAME, *certfile = NULL, *keyfile = NULL, *prog;
100    double totalTime = 0.0;
101    int noCApath = 0, noCAfile = 0;
102    int maxtime = SECONDS, nConn = 0, perform = 3, ret = 1, i, st_bugs = 0;
103    long bytes_read = 0, finishtime = 0;
104    OPTION_CHOICE o;
105    int max_version = 0, ver, buf_len;
106    size_t buf_size;
107
108    meth = TLS_client_method();
109
110    prog = opt_init(argc, argv, s_time_options);
111    while ((o = opt_next()) != OPT_EOF) {
112        switch (o) {
113        case OPT_EOF:
114        case OPT_ERR:
115 opthelp:
116            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
117            goto end;
118        case OPT_HELP:
119            opt_help(s_time_options);
120            ret = 0;
121            goto end;
122        case OPT_CONNECT:
123            host = opt_arg();
124            break;
125        case OPT_REUSE:
126            perform = 2;
127            break;
128        case OPT_NEW:
129            perform = 1;
130            break;
131        case OPT_VERIFY:
132            if (!opt_int(opt_arg(), &verify_args.depth))
133                goto opthelp;
134            BIO_printf(bio_err, "%s: verify depth is %d\n",
135                       prog, verify_args.depth);
136            break;
137        case OPT_CERT:
138            certfile = opt_arg();
139            break;
140        case OPT_NAMEOPT:
141            if (!set_nameopt(opt_arg()))
142                goto end;
143            break;
144        case OPT_KEY:
145            keyfile = opt_arg();
146            break;
147        case OPT_CAPATH:
148            CApath = opt_arg();
149            break;
150        case OPT_CAFILE:
151            CAfile = opt_arg();
152            break;
153        case OPT_NOCAPATH:
154            noCApath = 1;
155            break;
156        case OPT_NOCAFILE:
157            noCAfile = 1;
158            break;
159        case OPT_CIPHER:
160            cipher = opt_arg();
161            break;
162        case OPT_CIPHERSUITES:
163            ciphersuites = opt_arg();
164            break;
165        case OPT_BUGS:
166            st_bugs = 1;
167            break;
168        case OPT_TIME:
169            if (!opt_int(opt_arg(), &maxtime))
170                goto opthelp;
171            break;
172        case OPT_WWW:
173            www_path = opt_arg();
174            buf_size = strlen(www_path) + fmt_http_get_cmd_size;
175            if (buf_size > sizeof(buf)) {
176                BIO_printf(bio_err, "%s: -www option is too long\n", prog);
177                goto end;
178            }
179            break;
180        case OPT_SSL3:
181            max_version = SSL3_VERSION;
182            break;
183        }
184    }
185    argc = opt_num_rest();
186    if (argc != 0)
187        goto opthelp;
188
189    if (cipher == NULL)
190        cipher = getenv("SSL_CIPHER");
191
192    if ((ctx = SSL_CTX_new(meth)) == NULL)
193        goto end;
194
195    SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
196    SSL_CTX_set_quiet_shutdown(ctx, 1);
197    if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
198        goto end;
199
200    if (st_bugs)
201        SSL_CTX_set_options(ctx, SSL_OP_ALL);
202    if (cipher != NULL && !SSL_CTX_set_cipher_list(ctx, cipher))
203        goto end;
204    if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites))
205        goto end;
206    if (!set_cert_stuff(ctx, certfile, keyfile))
207        goto end;
208
209    if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
210        ERR_print_errors(bio_err);
211        goto end;
212    }
213    if (!(perform & 1))
214        goto next;
215    printf("Collecting connection statistics for %d seconds\n", maxtime);
216
217    /* Loop and time how long it takes to make connections */
218
219    bytes_read = 0;
220    finishtime = (long)time(NULL) + maxtime;
221    tm_Time_F(START);
222    for (;;) {
223        if (finishtime < (long)time(NULL))
224            break;
225
226        if ((scon = doConnection(NULL, host, ctx)) == NULL)
227            goto end;
228
229        if (www_path != NULL) {
230            buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd,
231                                   www_path);
232            if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
233                goto end;
234            while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
235                bytes_read += i;
236        }
237        SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
238        BIO_closesocket(SSL_get_fd(scon));
239
240        nConn += 1;
241        if (SSL_session_reused(scon)) {
242            ver = 'r';
243        } else {
244            ver = SSL_version(scon);
245            if (ver == TLS1_VERSION)
246                ver = 't';
247            else if (ver == SSL3_VERSION)
248                ver = '3';
249            else
250                ver = '*';
251        }
252        fputc(ver, stdout);
253        fflush(stdout);
254
255        SSL_free(scon);
256        scon = NULL;
257    }
258    totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
259
260    i = (int)((long)time(NULL) - finishtime + maxtime);
261    printf
262        ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
263         nConn, totalTime, ((double)nConn / totalTime), bytes_read);
264    printf
265        ("%d connections in %ld real seconds, %ld bytes read per connection\n",
266         nConn, (long)time(NULL) - finishtime + maxtime,
267         nConn > 0 ? bytes_read / nConn : 0l);
268
269    /*
270     * Now loop and time connections using the same session id over and over
271     */
272
273 next:
274    if (!(perform & 2))
275        goto end;
276    printf("\n\nNow timing with session id reuse.\n");
277
278    /* Get an SSL object so we can reuse the session id */
279    if ((scon = doConnection(NULL, host, ctx)) == NULL) {
280        BIO_printf(bio_err, "Unable to get connection\n");
281        goto end;
282    }
283
284    if (www_path != NULL) {
285        buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd, www_path);
286        if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
287            goto end;
288        while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
289            continue;
290    }
291    SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
292    BIO_closesocket(SSL_get_fd(scon));
293
294    nConn = 0;
295    totalTime = 0.0;
296
297    finishtime = (long)time(NULL) + maxtime;
298
299    printf("starting\n");
300    bytes_read = 0;
301    tm_Time_F(START);
302
303    for (;;) {
304        if (finishtime < (long)time(NULL))
305            break;
306
307        if ((doConnection(scon, host, ctx)) == NULL)
308            goto end;
309
310        if (www_path != NULL) {
311            buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd,
312                                   www_path);
313            if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
314                goto end;
315            while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
316                bytes_read += i;
317        }
318        SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
319        BIO_closesocket(SSL_get_fd(scon));
320
321        nConn += 1;
322        if (SSL_session_reused(scon)) {
323            ver = 'r';
324        } else {
325            ver = SSL_version(scon);
326            if (ver == TLS1_VERSION)
327                ver = 't';
328            else if (ver == SSL3_VERSION)
329                ver = '3';
330            else
331                ver = '*';
332        }
333        fputc(ver, stdout);
334        fflush(stdout);
335    }
336    totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
337
338    printf
339        ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
340         nConn, totalTime, ((double)nConn / totalTime), bytes_read);
341    printf
342        ("%d connections in %ld real seconds, %ld bytes read per connection\n",
343         nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);
344
345    ret = 0;
346
347 end:
348    SSL_free(scon);
349    SSL_CTX_free(ctx);
350    return ret;
351}
352
353/*-
354 * doConnection - make a connection
355 */
356static SSL *doConnection(SSL *scon, const char *host, SSL_CTX *ctx)
357{
358    BIO *conn;
359    SSL *serverCon;
360    int i;
361
362    if ((conn = BIO_new(BIO_s_connect())) == NULL)
363        return NULL;
364
365    BIO_set_conn_hostname(conn, host);
366    BIO_set_conn_mode(conn, BIO_SOCK_NODELAY);
367
368    if (scon == NULL)
369        serverCon = SSL_new(ctx);
370    else {
371        serverCon = scon;
372        SSL_set_connect_state(serverCon);
373    }
374
375    SSL_set_bio(serverCon, conn, conn);
376
377    /* ok, lets connect */
378    i = SSL_connect(serverCon);
379    if (i <= 0) {
380        BIO_printf(bio_err, "ERROR\n");
381        if (verify_args.error != X509_V_OK)
382            BIO_printf(bio_err, "verify error:%s\n",
383                       X509_verify_cert_error_string(verify_args.error));
384        else
385            ERR_print_errors(bio_err);
386        if (scon == NULL)
387            SSL_free(serverCon);
388        return NULL;
389    }
390
391#if defined(SOL_SOCKET) && defined(SO_LINGER)
392    {
393        struct linger no_linger;
394        int fd;
395
396        no_linger.l_onoff  = 1;
397        no_linger.l_linger = 0;
398        fd = SSL_get_fd(serverCon);
399        if (fd >= 0)
400            (void)setsockopt(fd, SOL_SOCKET, SO_LINGER, (char*)&no_linger,
401                             sizeof(no_linger));
402    }
403#endif
404
405    return serverCon;
406}
407#endif /* OPENSSL_NO_SOCK */
408