1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2  * contributor license agreements.  See the NOTICE file distributed with
3  * this work for additional information regarding copyright ownership.
4  * The ASF licenses this file to You under the Apache License, Version 2.0
5  * (the "License"); you may not use this file except in compliance with
6  * the License.  You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 /*
18    ** This program is based on ZeusBench V1.0 written by Adam Twiss
19    ** which is Copyright (c) 1996 by Zeus Technology Ltd. http://www.zeustech.net/
20    **
21    ** This software is provided "as is" and any express or implied warranties,
22    ** including but not limited to, the implied warranties of merchantability and
23    ** fitness for a particular purpose are disclaimed.  In no event shall
24    ** Zeus Technology Ltd. be liable for any direct, indirect, incidental, special,
25    ** exemplary, or consequential damaged (including, but not limited to,
26    ** procurement of substitute good or services; loss of use, data, or profits;
27    ** or business interruption) however caused and on theory of liability.  Whether
28    ** in contract, strict liability or tort (including negligence or otherwise)
29    ** arising in any way out of the use of this software, even if advised of the
30    ** possibility of such damage.
31    **
32  */
33 
34 /*
35    ** HISTORY:
36    **    - Originally written by Adam Twiss <adam@zeus.co.uk>, March 1996
37    **      with input from Mike Belshe <mbelshe@netscape.com> and
38    **      Michael Campanella <campanella@stevms.enet.dec.com>
39    **    - Enhanced by Dean Gaudet <dgaudet@apache.org>, November 1997
40    **    - Cleaned up by Ralf S. Engelschall <rse@apache.org>, March 1998
41    **    - POST and verbosity by Kurt Sussman <kls@merlot.com>, August 1998
42    **    - HTML table output added by David N. Welton <davidw@prosa.it>, January 1999
43    **    - Added Cookie, Arbitrary header and auth support. <dirkx@webweaving.org>, April 1999
44    ** Version 1.3d
45    **    - Increased version number - as some of the socket/error handling has
46    **      fundamentally changed - and will give fundamentally different results
47    **      in situations where a server is dropping requests. Therefore you can
48    **      no longer compare results of AB as easily. Hence the inc of the version.
49    **      They should be closer to the truth though. Sander & <dirkx@covalent.net>, End 2000.
50    **    - Fixed proxy functionality, added median/mean statistics, added gnuplot
51    **      output option, added _experimental/rudimentary_ SSL support. Added
52    **      confidence guestimators and warnings. Sander & <dirkx@covalent.net>, End 2000
53    **    - Fixed serious int overflow issues which would cause realistic (longer
54    **      than a few minutes) run's to have wrong (but believable) results. Added
55    **      trapping of connection errors which influenced measurements.
56    **      Contributed by Sander Temme, Early 2001
57    ** Version 1.3e
58    **    - Changed timeout behavior during write to work whilst the sockets
59    **      are filling up and apr_write() does writes a few - but not all.
60    **      This will potentially change results. <dirkx@webweaving.org>, April 2001
61    ** Version 2.0.36-dev
62    **    Improvements to concurrent processing:
63    **      - Enabled non-blocking connect()s.
64    **      - Prevent blocking calls to apr_socket_recv() (thereby allowing AB to
65    **        manage its entire set of socket descriptors).
66    **      - Any error returned from apr_socket_recv() that is not EAGAIN or EOF
67    **        is now treated as fatal.
68    **      Contributed by Aaron Bannert, April 24, 2002
69    **
70    ** Version 2.0.36-2
71    **     Internalized the version string - this string is part
72    **     of the Agent: header and the result output.
73    **
74    ** Version 2.0.37-dev
75    **     Adopted SSL code by Madhu Mathihalli <madhusudan_mathihalli@hp.com>
76    **     [PATCH] ab with SSL support  Posted Wed, 15 Aug 2001 20:55:06 GMT
77    **     Introduces four 'if (int == value)' tests per non-ssl request.
78    **
79    ** Version 2.0.40-dev
80    **     Switched to the new abstract pollset API, allowing ab to
81    **     take advantage of future apr_pollset_t scalability improvements.
82    **     Contributed by Brian Pane, August 31, 2002
83    **
84    ** Version 2.3
85    **     SIGINT now triggers output_results().
86    **     Contributed by colm, March 30, 2006
87    **/
88 
89 /* Note: this version string should start with \d+[\d\.]* and be a valid
90  * string for an HTTP Agent: header when prefixed with 'ApacheBench/'.
91  * It should reflect the version of AB - and not that of the apache server
92  * it happens to accompany. And it should be updated or changed whenever
93  * the results are no longer fundamentally comparable to the results of
94  * a previous version of ab. Either due to a change in the logic of
95  * ab - or to due to a change in the distribution it is compiled with
96  * (such as an APR change in for example blocking).
97  */
98 #define AP_AB_BASEREVISION "2.3"
99 
100 /*
101  * BUGS:
102  *
103  * - uses strcpy/etc.
104  * - has various other poor buffer attacks related to the lazy parsing of
105  *   response headers from the server
106  * - doesn't implement much of HTTP/1.x, only accepts certain forms of
107  *   responses
108  * - (performance problem) heavy use of strstr shows up top in profile
109  *   only an issue for loopback usage
110  */
111 
112 /*  -------------------------------------------------------------------- */
113 
114 #if 'A' != 0x41
115 /* Hmmm... This source code isn't being compiled in ASCII.
116  * In order for data that flows over the network to make
117  * sense, we need to translate to/from ASCII.
118  */
119 #define NOT_ASCII
120 #endif
121 
122 /* affects include files on Solaris */
123 #define BSD_COMP
124 
125 #include "apr.h"
126 #include "apr_signal.h"
127 #include "apr_strings.h"
128 #include "apr_network_io.h"
129 #include "apr_file_io.h"
130 #include "apr_time.h"
131 #include "apr_getopt.h"
132 #include "apr_general.h"
133 #include "apr_lib.h"
134 #include "apr_portable.h"
135 #include "ap_release.h"
136 #include "apr_poll.h"
137 
138 #define APR_WANT_STRFUNC
139 #include "apr_want.h"
140 
141 #include "apr_base64.h"
142 #ifdef NOT_ASCII
143 #include "apr_xlate.h"
144 #endif
145 #if APR_HAVE_STDIO_H
146 #include <stdio.h>
147 #endif
148 #if APR_HAVE_STDLIB_H
149 #include <stdlib.h>
150 #endif
151 #if APR_HAVE_UNISTD_H
152 #include <unistd.h> /* for getpid() */
153 #endif
154 
155 #if !defined(WIN32) && !defined(NETWARE)
156 #include "ap_config_auto.h"
157 #endif
158 
159 #if defined(HAVE_OPENSSL)
160 
161 #include <openssl/rsa.h>
162 #include <openssl/crypto.h>
163 #include <openssl/x509.h>
164 #include <openssl/pem.h>
165 #include <openssl/err.h>
166 #include <openssl/ssl.h>
167 #include <openssl/rand.h>
168 #define USE_SSL
169 #define SK_NUM(x) sk_X509_num(x)
170 #define SK_VALUE(x,y) sk_X509_value(x,y)
171 typedef STACK_OF(X509) X509_STACK_TYPE;
172 
173 #if defined(_MSC_VER) && !defined(LIBRESSL_VERSION_NUMBER)
174 /* The following logic ensures we correctly glue FILE* within one CRT used
175  * by the OpenSSL library build to another CRT used by the ab.exe build.
176  * This became especially problematic with Visual Studio 2015.
177  */
178 #include <openssl/applink.c>
179 #endif
180 
181 #endif
182 
183 #if defined(USE_SSL)
184 #if (OPENSSL_VERSION_NUMBER >= 0x00909000)
185 #define AB_SSL_METHOD_CONST const
186 #else
187 #define AB_SSL_METHOD_CONST
188 #endif
189 #if (OPENSSL_VERSION_NUMBER >= 0x0090707f)
190 #define AB_SSL_CIPHER_CONST const
191 #else
192 #define AB_SSL_CIPHER_CONST
193 #endif
194 #ifdef SSL_OP_NO_TLSv1_2
195 #define HAVE_TLSV1_X
196 #endif
197 #if !defined(OPENSSL_NO_TLSEXT) && defined(SSL_set_tlsext_host_name)
198 #define HAVE_TLSEXT
199 #endif
200 #if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2060000f
201 #define SSL_CTRL_SET_MIN_PROTO_VERSION 123
202 #define SSL_CTRL_SET_MAX_PROTO_VERSION 124
203 #define SSL_CTX_set_min_proto_version(ctx, version) \
204    SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
205 #define SSL_CTX_set_max_proto_version(ctx, version) \
206    SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
207 #endif
208 #if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2060000f
209 # define SSL_CTRL_SET_MIN_PROTO_VERSION	123
210 # define SSL_CTRL_SET_MAX_PROTO_VERSION 124
211 #define SSL_CTX_set_min_proto_version(ctx, version) \
212    SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
213 #define SSL_CTX_set_max_proto_version(ctx, version) \
214    SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
215 #endif
216 #endif
217 
218 #include <math.h>
219 #if APR_HAVE_CTYPE_H
220 #include <ctype.h>
221 #endif
222 #if APR_HAVE_LIMITS_H
223 #include <limits.h>
224 #endif
225 
226 /* ------------------- DEFINITIONS -------------------------- */
227 
228 #ifndef LLONG_MAX
229 #define AB_MAX APR_INT64_C(0x7fffffffffffffff)
230 #else
231 #define AB_MAX LLONG_MAX
232 #endif
233 
234 /* maximum number of requests on a time limited test */
235 #define MAX_REQUESTS (INT_MAX > 50000 ? 50000 : INT_MAX)
236 
237 /* connection state
238  * don't add enums or rearrange or otherwise change values without
239  * visiting set_conn_state()
240  */
241 typedef enum {
242     STATE_UNCONNECTED = 0,
243     STATE_CONNECTING,           /* TCP connect initiated, but we don't
244                                  * know if it worked yet
245                                  */
246     STATE_CONNECTED,            /* we know TCP connect completed */
247     STATE_READ
248 } connect_state_e;
249 
250 #define CBUFFSIZE (8192)
251 
252 struct connection {
253     apr_pool_t *ctx;
254     apr_socket_t *aprsock;
255     apr_pollfd_t pollfd;
256     int state;
257     apr_size_t read;            /* amount of bytes read */
258     apr_size_t bread;           /* amount of body read */
259     apr_size_t rwrite, rwrote;  /* keep pointers in what we write - across
260                                  * EAGAINs */
261     apr_size_t length;          /* Content-Length value used for keep-alive */
262     char cbuff[CBUFFSIZE];      /* a buffer to store server response header */
263     int cbx;                    /* offset in cbuffer */
264     int keepalive;              /* non-zero if a keep-alive request */
265     int gotheader;              /* non-zero if we have the entire header in
266                                  * cbuff */
267     apr_time_t start,           /* Start of connection */
268                connect,         /* Connected, start writing */
269                endwrite,        /* Request written */
270                beginread,       /* First byte of input */
271                done;            /* Connection closed */
272 
273     int socknum;
274 #ifdef USE_SSL
275     SSL *ssl;
276 #endif
277 };
278 
279 struct data {
280     apr_time_t starttime;         /* start time of connection */
281     apr_interval_time_t waittime; /* between request and reading response */
282     apr_interval_time_t ctime;    /* time to connect */
283     apr_interval_time_t time;     /* time for connection */
284 };
285 
286 #define ap_min(a,b) (((a)<(b))?(a):(b))
287 #define ap_max(a,b) (((a)>(b))?(a):(b))
288 #define ap_round_ms(a) ((apr_time_t)((a) + 500)/1000)
289 #define ap_double_ms(a) ((double)(a)/1000.0)
290 #define MAX_CONCURRENCY 20000
291 
292 /* --------------------- GLOBALS ---------------------------- */
293 
294 int verbosity = 0;      /* no verbosity by default */
295 int recverrok = 0;      /* ok to proceed after socket receive errors */
296 enum {NO_METH = 0, GET, HEAD, PUT, POST, CUSTOM_METHOD} method = NO_METH;
297 const char *method_str[] = {"bug", "GET", "HEAD", "PUT", "POST", ""};
298 int send_body = 0;      /* non-zero if sending body with request */
299 int requests = 1;       /* Number of requests to make */
300 int heartbeatres = 100; /* How often do we say we're alive */
301 int concurrency = 1;    /* Number of multiple requests to make */
302 int percentile = 1;     /* Show percentile served */
303 int nolength = 0;       /* Accept variable document length */
304 int confidence = 1;     /* Show confidence estimator and warnings */
305 int tlimit = 0;         /* time limit in secs */
306 int keepalive = 0;      /* try and do keepalive connections */
307 int windowsize = 0;     /* we use the OS default window size */
308 char servername[1024];  /* name that server reports */
309 char *hostname;         /* host name from URL */
310 const char *host_field;       /* value of "Host:" header field */
311 const char *path;             /* path name */
312 char *postdata;         /* *buffer containing data from postfile */
313 apr_size_t postlen = 0; /* length of data to be POSTed */
314 char *content_type = NULL;     /* content type to put in POST header */
315 const char *cookie,           /* optional cookie line */
316            *auth,             /* optional (basic/uuencoded) auhentication */
317            *hdrs;             /* optional arbitrary headers */
318 apr_port_t port;        /* port number */
319 char *proxyhost = NULL; /* proxy host name */
320 int proxyport = 0;      /* proxy port */
321 const char *connecthost;
322 const char *myhost;
323 apr_port_t connectport;
324 const char *gnuplot;          /* GNUplot file */
325 const char *csvperc;          /* CSV Percentile file */
326 const char *fullurl;
327 const char *colonhost;
328 int isproxy = 0;
329 apr_interval_time_t aprtimeout = apr_time_from_sec(30); /* timeout value */
330 
331 /* overrides for ab-generated common headers */
332 const char *opt_host;   /* which optional "Host:" header specified, if any */
333 int opt_useragent = 0;  /* was an optional "User-Agent:" header specified? */
334 int opt_accept = 0;     /* was an optional "Accept:" header specified? */
335  /*
336   * XXX - this is now a per read/write transact type of value
337   */
338 
339 int use_html = 0;       /* use html in the report */
340 const char *tablestring;
341 const char *trstring;
342 const char *tdstring;
343 
344 apr_size_t doclen = 0;     /* the length the document should be */
345 apr_int64_t totalread = 0;    /* total number of bytes read */
346 apr_int64_t totalbread = 0;   /* totoal amount of entity body read */
347 apr_int64_t totalposted = 0;  /* total number of bytes posted, inc. headers */
348 int started = 0;           /* number of requests started, so no excess */
349 int done = 0;              /* number of requests we have done */
350 int doneka = 0;            /* number of keep alive connections done */
351 int good = 0, bad = 0;     /* number of good and bad requests */
352 int epipe = 0;             /* number of broken pipe writes */
353 int err_length = 0;        /* requests failed due to response length */
354 int err_conn = 0;          /* requests failed due to connection drop */
355 int err_recv = 0;          /* requests failed due to broken read */
356 int err_except = 0;        /* requests failed due to exception */
357 int err_response = 0;      /* requests with invalid or non-200 response */
358 
359 #ifdef USE_SSL
360 int is_ssl;
361 SSL_CTX *ssl_ctx;
362 char *ssl_cipher = NULL;
363 char *ssl_info = NULL;
364 char *ssl_cert = NULL;
365 #if OPENSSL_VERSION_NUMBER >= 0x10002000L
366 char *ssl_tmp_key = NULL;
367 #endif
368 BIO *bio_out,*bio_err;
369 #ifdef HAVE_TLSEXT
370 int tls_use_sni = 1;         /* used by default, -I disables it */
371 const char *tls_sni = NULL; /* 'opt_host' if any, 'hostname' otherwise */
372 #endif
373 #endif
374 
375 apr_time_t start, lasttime, stoptime;
376 
377 /* global request (and its length) */
378 char _request[8192];
379 char *request = _request;
380 apr_size_t reqlen;
381 int requests_initialized = 0;
382 
383 /* one global throw-away buffer to read stuff into */
384 char buffer[8192];
385 
386 /* interesting percentiles */
387 int percs[] = {50, 66, 75, 80, 90, 95, 98, 99, 100};
388 
389 struct connection *con;     /* connection array */
390 struct data *stats;         /* data for each request */
391 apr_pool_t *cntxt;
392 
393 apr_pollset_t *readbits;
394 
395 apr_sockaddr_t *mysa;
396 apr_sockaddr_t *destsa;
397 
398 #ifdef NOT_ASCII
399 apr_xlate_t *from_ascii, *to_ascii;
400 #endif
401 
402 static void write_request(struct connection * c);
403 static void close_connection(struct connection * c);
404 
405 /* --------------------------------------------------------- */
406 
407 /* simple little function to write an error string and exit */
408 
err(const char * s)409 static void err(const char *s)
410 {
411     fprintf(stderr, "%s\n", s);
412     if (done)
413         printf("Total of %d requests completed\n" , done);
414     exit(1);
415 }
416 
417 /* simple little function to write an APR error string and exit */
418 
apr_err(const char * s,apr_status_t rv)419 static void apr_err(const char *s, apr_status_t rv)
420 {
421     char buf[120];
422 
423     fprintf(stderr,
424         "%s: %s (%d)\n",
425         s, apr_strerror(rv, buf, sizeof buf), rv);
426     if (done)
427         printf("Total of %d requests completed\n" , done);
428     exit(rv);
429 }
430 
xmalloc(size_t size)431 static void *xmalloc(size_t size)
432 {
433     void *ret = malloc(size);
434     if (ret == NULL) {
435         fprintf(stderr, "Could not allocate memory (%"
436                 APR_SIZE_T_FMT" bytes)\n", size);
437         exit(1);
438     }
439     return ret;
440 }
441 
xcalloc(size_t num,size_t size)442 static void *xcalloc(size_t num, size_t size)
443 {
444     void *ret = calloc(num, size);
445     if (ret == NULL) {
446         fprintf(stderr, "Could not allocate memory (%"
447                 APR_SIZE_T_FMT" bytes)\n", size*num);
448         exit(1);
449     }
450     return ret;
451 }
452 
xstrdup(const char * s)453 static char *xstrdup(const char *s)
454 {
455     char *ret = strdup(s);
456     if (ret == NULL) {
457         fprintf(stderr, "Could not allocate memory (%"
458                 APR_SIZE_T_FMT " bytes)\n", strlen(s));
459         exit(1);
460     }
461     return ret;
462 }
463 
464 /*
465  * Similar to standard strstr() but we ignore case in this version.
466  * Copied from ap_strcasestr().
467  */
xstrcasestr(const char * s1,const char * s2)468 static char *xstrcasestr(const char *s1, const char *s2)
469 {
470     char *p1, *p2;
471     if (*s2 == '\0') {
472         /* an empty s2 */
473         return((char *)s1);
474     }
475     while(1) {
476         for ( ; (*s1 != '\0') && (apr_tolower(*s1) != apr_tolower(*s2)); s1++);
477         if (*s1 == '\0') {
478             return(NULL);
479         }
480         /* found first character of s2, see if the rest matches */
481         p1 = (char *)s1;
482         p2 = (char *)s2;
483         for (++p1, ++p2; apr_tolower(*p1) == apr_tolower(*p2); ++p1, ++p2) {
484             if (*p1 == '\0') {
485                 /* both strings ended together */
486                 return((char *)s1);
487             }
488         }
489         if (*p2 == '\0') {
490             /* second string ended, a match */
491             break;
492         }
493         /* didn't find a match here, try starting at next character in s1 */
494         s1++;
495     }
496     return((char *)s1);
497 }
498 
499 /* pool abort function */
abort_on_oom(int retcode)500 static int abort_on_oom(int retcode)
501 {
502     fprintf(stderr, "Could not allocate memory\n");
503     exit(1);
504     /* not reached */
505     return retcode;
506 }
507 
set_polled_events(struct connection * c,apr_int16_t new_reqevents)508 static void set_polled_events(struct connection *c, apr_int16_t new_reqevents)
509 {
510     apr_status_t rv;
511 
512     if (c->pollfd.reqevents != new_reqevents) {
513         if (c->pollfd.reqevents != 0) {
514             rv = apr_pollset_remove(readbits, &c->pollfd);
515             if (rv != APR_SUCCESS) {
516                 apr_err("apr_pollset_remove()", rv);
517             }
518         }
519 
520         if (new_reqevents != 0) {
521             c->pollfd.reqevents = new_reqevents;
522             rv = apr_pollset_add(readbits, &c->pollfd);
523             if (rv != APR_SUCCESS) {
524                 apr_err("apr_pollset_add()", rv);
525             }
526         }
527     }
528 }
529 
set_conn_state(struct connection * c,connect_state_e new_state)530 static void set_conn_state(struct connection *c, connect_state_e new_state)
531 {
532     apr_int16_t events_by_state[] = {
533         0,           /* for STATE_UNCONNECTED */
534         APR_POLLOUT, /* for STATE_CONNECTING */
535         APR_POLLIN,  /* for STATE_CONNECTED; we don't poll in this state,
536                       * so prepare for polling in the following state --
537                       * STATE_READ
538                       */
539         APR_POLLIN   /* for STATE_READ */
540     };
541 
542     c->state = new_state;
543 
544     set_polled_events(c, events_by_state[new_state]);
545 }
546 
547 /* --------------------------------------------------------- */
548 /* write out request to a connection - assumes we can write
549  * (small) request out in one go into our new socket buffer
550  *
551  */
552 #ifdef USE_SSL
ssl_print_cb(BIO * bio,int cmd,const char * argp,int argi,long argl,long ret)553 static long ssl_print_cb(BIO *bio,int cmd,const char *argp,int argi,long argl,long ret)
554 {
555     BIO *out;
556 
557     out=(BIO *)BIO_get_callback_arg(bio);
558     if (out == NULL) return(ret);
559 
560     if (cmd == (BIO_CB_READ|BIO_CB_RETURN)) {
561         BIO_printf(out,"read from %p [%p] (%d bytes => %ld (0x%lX))\n",
562                    bio, argp, argi, ret, ret);
563         BIO_dump(out,(char *)argp,(int)ret);
564         return(ret);
565     }
566     else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN)) {
567         BIO_printf(out,"write to %p [%p] (%d bytes => %ld (0x%lX))\n",
568                    bio, argp, argi, ret, ret);
569         BIO_dump(out,(char *)argp,(int)ret);
570     }
571     return ret;
572 }
573 
ssl_state_cb(const SSL * s,int w,int r)574 static void ssl_state_cb(const SSL *s, int w, int r)
575 {
576     if (w & SSL_CB_ALERT) {
577         BIO_printf(bio_err, "SSL/TLS Alert [%s] %s:%s\n",
578                    (w & SSL_CB_READ ? "read" : "write"),
579                    SSL_alert_type_string_long(r),
580                    SSL_alert_desc_string_long(r));
581     } else if (w & SSL_CB_LOOP) {
582         BIO_printf(bio_err, "SSL/TLS State [%s] %s\n",
583                    (SSL_in_connect_init((SSL*)s) ? "connect" : "-"),
584                    SSL_state_string_long(s));
585     } else if (w & (SSL_CB_HANDSHAKE_START|SSL_CB_HANDSHAKE_DONE)) {
586         BIO_printf(bio_err, "SSL/TLS Handshake [%s] %s\n",
587                    (w & SSL_CB_HANDSHAKE_START ? "Start" : "Done"),
588                    SSL_state_string_long(s));
589     }
590 }
591 
592 #ifndef RAND_MAX
593 #define RAND_MAX INT_MAX
594 #endif
595 
ssl_rand_choosenum(int l,int h)596 static int ssl_rand_choosenum(int l, int h)
597 {
598     int i;
599     char buf[50];
600 
601     srand((unsigned int)time(NULL));
602     apr_snprintf(buf, sizeof(buf), "%.0f",
603                  (((double)(rand()%RAND_MAX)/RAND_MAX)*(h-l)));
604     i = atoi(buf)+1;
605     if (i < l) i = l;
606     if (i > h) i = h;
607     return i;
608 }
609 
ssl_rand_seed(void)610 static void ssl_rand_seed(void)
611 {
612     int n, l;
613     time_t t;
614     pid_t pid;
615     unsigned char stackdata[256];
616 
617     /*
618      * seed in the current time (usually just 4 bytes)
619      */
620     t = time(NULL);
621     l = sizeof(time_t);
622     RAND_seed((unsigned char *)&t, l);
623 
624     /*
625      * seed in the current process id (usually just 4 bytes)
626      */
627     pid = getpid();
628     l = sizeof(pid_t);
629     RAND_seed((unsigned char *)&pid, l);
630 
631     /*
632      * seed in some current state of the run-time stack (128 bytes)
633      */
634     n = ssl_rand_choosenum(0, sizeof(stackdata)-128-1);
635     RAND_seed(stackdata+n, 128);
636 }
637 
ssl_print_connection_info(BIO * bio,SSL * ssl)638 static int ssl_print_connection_info(BIO *bio, SSL *ssl)
639 {
640     AB_SSL_CIPHER_CONST SSL_CIPHER *c;
641     int alg_bits,bits;
642 
643     BIO_printf(bio,"Transport Protocol      :%s\n", SSL_get_version(ssl));
644 
645     c = SSL_get_current_cipher(ssl);
646     BIO_printf(bio,"Cipher Suite Protocol   :%s\n", SSL_CIPHER_get_version(c));
647     BIO_printf(bio,"Cipher Suite Name       :%s\n",SSL_CIPHER_get_name(c));
648 
649     bits = SSL_CIPHER_get_bits(c,&alg_bits);
650     BIO_printf(bio,"Cipher Suite Cipher Bits:%d (%d)\n",bits,alg_bits);
651 
652     return(1);
653 }
654 
ssl_print_cert_info(BIO * bio,X509 * cert)655 static void ssl_print_cert_info(BIO *bio, X509 *cert)
656 {
657     X509_NAME *dn;
658     EVP_PKEY *pk;
659     char buf[1024];
660 
661     BIO_printf(bio, "Certificate version: %ld\n", X509_get_version(cert)+1);
662     BIO_printf(bio,"Valid from: ");
663     ASN1_UTCTIME_print(bio, X509_get_notBefore(cert));
664     BIO_printf(bio,"\n");
665 
666     BIO_printf(bio,"Valid to  : ");
667     ASN1_UTCTIME_print(bio, X509_get_notAfter(cert));
668     BIO_printf(bio,"\n");
669 
670     pk = X509_get_pubkey(cert);
671     BIO_printf(bio,"Public key is %d bits\n",
672                EVP_PKEY_bits(pk));
673     EVP_PKEY_free(pk);
674 
675     dn = X509_get_issuer_name(cert);
676     X509_NAME_oneline(dn, buf, sizeof(buf));
677     BIO_printf(bio,"The issuer name is %s\n", buf);
678 
679     dn=X509_get_subject_name(cert);
680     X509_NAME_oneline(dn, buf, sizeof(buf));
681     BIO_printf(bio,"The subject name is %s\n", buf);
682 
683     /* dump the extension list too */
684     BIO_printf(bio, "Extension Count: %d\n", X509_get_ext_count(cert));
685 }
686 
ssl_print_info(struct connection * c)687 static void ssl_print_info(struct connection *c)
688 {
689     X509_STACK_TYPE *sk;
690     X509 *cert;
691     int count;
692 
693     BIO_printf(bio_err, "\n");
694     sk = SSL_get_peer_cert_chain(c->ssl);
695     if ((count = SK_NUM(sk)) > 0) {
696         int i;
697         for (i=1; i<count; i++) {
698             cert = (X509 *)SK_VALUE(sk, i);
699             ssl_print_cert_info(bio_out, cert);
700     }
701     }
702     cert = SSL_get_peer_certificate(c->ssl);
703     if (cert == NULL) {
704         BIO_printf(bio_out, "Anon DH\n");
705     } else {
706         BIO_printf(bio_out, "Peer certificate\n");
707         ssl_print_cert_info(bio_out, cert);
708         X509_free(cert);
709     }
710     ssl_print_connection_info(bio_err,c->ssl);
711     SSL_SESSION_print(bio_err, SSL_get_session(c->ssl));
712     }
713 
ssl_proceed_handshake(struct connection * c)714 static void ssl_proceed_handshake(struct connection *c)
715 {
716     int do_next = 1;
717 
718     while (do_next) {
719         int ret, ecode;
720 
721         ret = SSL_do_handshake(c->ssl);
722         ecode = SSL_get_error(c->ssl, ret);
723 
724         switch (ecode) {
725         case SSL_ERROR_NONE:
726             if (verbosity >= 2)
727                 ssl_print_info(c);
728             if (ssl_info == NULL) {
729                 AB_SSL_CIPHER_CONST SSL_CIPHER *ci;
730                 X509 *cert;
731                 int sk_bits, pk_bits, swork;
732 
733                 ci = SSL_get_current_cipher(c->ssl);
734                 sk_bits = SSL_CIPHER_get_bits(ci, &swork);
735                 cert = SSL_get_peer_certificate(c->ssl);
736                 if (cert)
737                     pk_bits = EVP_PKEY_bits(X509_get_pubkey(cert));
738                 else
739                     pk_bits = 0;  /* Anon DH */
740 
741                 ssl_info = xmalloc(128);
742                 apr_snprintf(ssl_info, 128, "%s,%s,%d,%d",
743                              SSL_get_version(c->ssl),
744                              SSL_CIPHER_get_name(ci),
745                              pk_bits, sk_bits);
746             }
747 #if OPENSSL_VERSION_NUMBER >= 0x10002000L
748             if (ssl_tmp_key == NULL) {
749                 EVP_PKEY *key;
750                 if (SSL_get_server_tmp_key(c->ssl, &key)) {
751                     ssl_tmp_key = xmalloc(128);
752                     switch (EVP_PKEY_id(key)) {
753                     case EVP_PKEY_RSA:
754                         apr_snprintf(ssl_tmp_key, 128, "RSA %d bits",
755                                      EVP_PKEY_bits(key));
756                         break;
757                     case EVP_PKEY_DH:
758                         apr_snprintf(ssl_tmp_key, 128, "DH %d bits",
759                                      EVP_PKEY_bits(key));
760                         break;
761 #ifndef OPENSSL_NO_EC
762                     case EVP_PKEY_EC: {
763                         const char *cname = NULL;
764                         EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key);
765                         int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
766                         EC_KEY_free(ec);
767                         cname = EC_curve_nid2nist(nid);
768                         if (!cname)
769                             cname = OBJ_nid2sn(nid);
770 
771                         apr_snprintf(ssl_tmp_key, 128, "ECDH %s %d bits",
772                                      cname,
773                                      EVP_PKEY_bits(key));
774                         break;
775                         }
776 #endif
777                     default:
778                         apr_snprintf(ssl_tmp_key, 128, "%s %d bits",
779                                      OBJ_nid2sn(EVP_PKEY_id(key)),
780                                      EVP_PKEY_bits(key));
781                         break;
782                     }
783                     EVP_PKEY_free(key);
784                 }
785             }
786 #endif
787             write_request(c);
788             do_next = 0;
789             break;
790         case SSL_ERROR_WANT_READ:
791             set_polled_events(c, APR_POLLIN);
792             do_next = 0;
793             break;
794         case SSL_ERROR_WANT_WRITE:
795             set_polled_events(c, APR_POLLOUT);
796             do_next = 0;
797             break;
798         case SSL_ERROR_WANT_CONNECT:
799         case SSL_ERROR_SSL:
800         case SSL_ERROR_SYSCALL:
801             /* Unexpected result */
802             BIO_printf(bio_err, "SSL handshake failed (%d).\n", ecode);
803             ERR_print_errors(bio_err);
804             close_connection(c);
805             do_next = 0;
806             break;
807         }
808     }
809 }
810 
811 #endif /* USE_SSL */
812 
write_request(struct connection * c)813 static void write_request(struct connection * c)
814 {
815     if (started >= requests) {
816         return;
817     }
818 
819     do {
820         apr_time_t tnow;
821         apr_size_t l = c->rwrite;
822         apr_status_t e = APR_SUCCESS; /* prevent gcc warning */
823 
824         tnow = lasttime = apr_time_now();
825 
826         /*
827          * First time round ?
828          */
829         if (c->rwrite == 0) {
830             apr_socket_timeout_set(c->aprsock, 0);
831             c->connect = tnow;
832             c->rwrote = 0;
833             c->rwrite = reqlen;
834             if (send_body)
835                 c->rwrite += postlen;
836             l = c->rwrite;
837         }
838         else if (tnow > c->connect + aprtimeout) {
839             printf("Send request timed out!\n");
840             close_connection(c);
841             return;
842         }
843 
844 #ifdef USE_SSL
845         if (c->ssl) {
846             e = SSL_write(c->ssl, request + c->rwrote, l);
847             if (e <= 0) {
848                 switch (SSL_get_error(c->ssl, e)) {
849                 case SSL_ERROR_WANT_READ:
850                     set_polled_events(c, APR_POLLIN);
851                     break;
852                 case SSL_ERROR_WANT_WRITE:
853                     set_polled_events(c, APR_POLLOUT);
854                     break;
855                 default:
856                     BIO_printf(bio_err, "SSL write failed - closing connection\n");
857                     ERR_print_errors(bio_err);
858                     close_connection (c);
859                     break;
860                 }
861                 return;
862             }
863             l = e;
864         }
865         else
866 #endif
867         {
868             e = apr_socket_send(c->aprsock, request + c->rwrote, &l);
869             if (e != APR_SUCCESS && !l) {
870                 if (!APR_STATUS_IS_EAGAIN(e)) {
871                     epipe++;
872                     printf("Send request failed!\n");
873                     close_connection(c);
874                 }
875                 else {
876                     set_polled_events(c, APR_POLLOUT);
877                 }
878                 return;
879             }
880         }
881         totalposted += l;
882         c->rwrote += l;
883         c->rwrite -= l;
884     } while (c->rwrite);
885 
886     c->endwrite = lasttime = apr_time_now();
887     started++;
888     set_conn_state(c, STATE_READ);
889 }
890 
891 /* --------------------------------------------------------- */
892 
893 /* calculate and output results */
894 
compradre(struct data * a,struct data * b)895 static int compradre(struct data * a, struct data * b)
896 {
897     if ((a->ctime) < (b->ctime))
898         return -1;
899     if ((a->ctime) > (b->ctime))
900         return +1;
901     return 0;
902 }
903 
comprando(struct data * a,struct data * b)904 static int comprando(struct data * a, struct data * b)
905 {
906     if ((a->time) < (b->time))
907         return -1;
908     if ((a->time) > (b->time))
909         return +1;
910     return 0;
911 }
912 
compri(struct data * a,struct data * b)913 static int compri(struct data * a, struct data * b)
914 {
915     apr_interval_time_t p = a->time - a->ctime;
916     apr_interval_time_t q = b->time - b->ctime;
917     if (p < q)
918         return -1;
919     if (p > q)
920         return +1;
921     return 0;
922 }
923 
compwait(struct data * a,struct data * b)924 static int compwait(struct data * a, struct data * b)
925 {
926     if ((a->waittime) < (b->waittime))
927         return -1;
928     if ((a->waittime) > (b->waittime))
929         return 1;
930     return 0;
931 }
932 
output_results(int sig)933 static void output_results(int sig)
934 {
935     double timetaken;
936 
937     if (sig) {
938         lasttime = apr_time_now();  /* record final time if interrupted */
939     }
940     timetaken = (double) (lasttime - start) / APR_USEC_PER_SEC;
941 
942     printf("\n\n");
943     printf("Server Software:        %s\n", servername);
944     printf("Server Hostname:        %s\n", hostname);
945     printf("Server Port:            %hu\n", port);
946 #ifdef USE_SSL
947     if (is_ssl && ssl_info) {
948         printf("SSL/TLS Protocol:       %s\n", ssl_info);
949     }
950 #if OPENSSL_VERSION_NUMBER >= 0x10002000L
951     if (is_ssl && ssl_tmp_key) {
952         printf("Server Temp Key:        %s\n", ssl_tmp_key);
953     }
954 #endif
955 #ifdef HAVE_TLSEXT
956     if (is_ssl && tls_sni) {
957         printf("TLS Server Name:        %s\n", tls_sni);
958     }
959 #endif
960 #endif
961     printf("\n");
962     printf("Document Path:          %s\n", path);
963     if (nolength)
964         printf("Document Length:        Variable\n");
965     else
966         printf("Document Length:        %" APR_SIZE_T_FMT " bytes\n", doclen);
967     printf("\n");
968     printf("Concurrency Level:      %d\n", concurrency);
969     printf("Time taken for tests:   %.3f seconds\n", timetaken);
970     printf("Complete requests:      %d\n", done);
971     printf("Failed requests:        %d\n", bad);
972     if (bad)
973         printf("   (Connect: %d, Receive: %d, Length: %d, Exceptions: %d)\n",
974             err_conn, err_recv, err_length, err_except);
975     if (epipe)
976         printf("Write errors:           %d\n", epipe);
977     if (err_response)
978         printf("Non-2xx responses:      %d\n", err_response);
979     if (keepalive)
980         printf("Keep-Alive requests:    %d\n", doneka);
981     printf("Total transferred:      %" APR_INT64_T_FMT " bytes\n", totalread);
982     if (send_body)
983         printf("Total body sent:        %" APR_INT64_T_FMT "\n",
984                totalposted);
985     printf("HTML transferred:       %" APR_INT64_T_FMT " bytes\n", totalbread);
986 
987     /* avoid divide by zero */
988     if (timetaken && done) {
989         printf("Requests per second:    %.2f [#/sec] (mean)\n",
990                (double) done / timetaken);
991         printf("Time per request:       %.3f [ms] (mean)\n",
992                (double) concurrency * timetaken * 1000 / done);
993         printf("Time per request:       %.3f [ms] (mean, across all concurrent requests)\n",
994                (double) timetaken * 1000 / done);
995         printf("Transfer rate:          %.2f [Kbytes/sec] received\n",
996                (double) totalread / 1024 / timetaken);
997         if (send_body) {
998             printf("                        %.2f kb/s sent\n",
999                (double) totalposted / 1024 / timetaken);
1000             printf("                        %.2f kb/s total\n",
1001                (double) (totalread + totalposted) / 1024 / timetaken);
1002         }
1003     }
1004 
1005     if (done > 0) {
1006         /* work out connection times */
1007         int i;
1008         apr_time_t totalcon = 0, total = 0, totald = 0, totalwait = 0;
1009         apr_time_t meancon, meantot, meand, meanwait;
1010         apr_interval_time_t mincon = AB_MAX, mintot = AB_MAX, mind = AB_MAX,
1011                             minwait = AB_MAX;
1012         apr_interval_time_t maxcon = 0, maxtot = 0, maxd = 0, maxwait = 0;
1013         apr_interval_time_t mediancon = 0, mediantot = 0, mediand = 0, medianwait = 0;
1014         double sdtot = 0, sdcon = 0, sdd = 0, sdwait = 0;
1015 
1016         for (i = 0; i < done; i++) {
1017             struct data *s = &stats[i];
1018             mincon = ap_min(mincon, s->ctime);
1019             mintot = ap_min(mintot, s->time);
1020             mind = ap_min(mind, s->time - s->ctime);
1021             minwait = ap_min(minwait, s->waittime);
1022 
1023             maxcon = ap_max(maxcon, s->ctime);
1024             maxtot = ap_max(maxtot, s->time);
1025             maxd = ap_max(maxd, s->time - s->ctime);
1026             maxwait = ap_max(maxwait, s->waittime);
1027 
1028             totalcon += s->ctime;
1029             total += s->time;
1030             totald += s->time - s->ctime;
1031             totalwait += s->waittime;
1032         }
1033         meancon = totalcon / done;
1034         meantot = total / done;
1035         meand = totald / done;
1036         meanwait = totalwait / done;
1037 
1038         /* calculating the sample variance: the sum of the squared deviations, divided by n-1 */
1039         for (i = 0; i < done; i++) {
1040             struct data *s = &stats[i];
1041             double a;
1042             a = ((double)s->time - meantot);
1043             sdtot += a * a;
1044             a = ((double)s->ctime - meancon);
1045             sdcon += a * a;
1046             a = ((double)s->time - (double)s->ctime - meand);
1047             sdd += a * a;
1048             a = ((double)s->waittime - meanwait);
1049             sdwait += a * a;
1050         }
1051 
1052         sdtot = (done > 1) ? sqrt(sdtot / (done - 1)) : 0;
1053         sdcon = (done > 1) ? sqrt(sdcon / (done - 1)) : 0;
1054         sdd = (done > 1) ? sqrt(sdd / (done - 1)) : 0;
1055         sdwait = (done > 1) ? sqrt(sdwait / (done - 1)) : 0;
1056 
1057         /*
1058          * XXX: what is better; this hideous cast of the compradre function; or
1059          * the four warnings during compile ? dirkx just does not know and
1060          * hates both/
1061          */
1062         qsort(stats, done, sizeof(struct data),
1063               (int (*) (const void *, const void *)) compradre);
1064         if ((done > 1) && (done % 2))
1065             mediancon = (stats[done / 2].ctime + stats[done / 2 + 1].ctime) / 2;
1066         else
1067             mediancon = stats[done / 2].ctime;
1068 
1069         qsort(stats, done, sizeof(struct data),
1070               (int (*) (const void *, const void *)) compri);
1071         if ((done > 1) && (done % 2))
1072             mediand = (stats[done / 2].time + stats[done / 2 + 1].time \
1073             -stats[done / 2].ctime - stats[done / 2 + 1].ctime) / 2;
1074         else
1075             mediand = stats[done / 2].time - stats[done / 2].ctime;
1076 
1077         qsort(stats, done, sizeof(struct data),
1078               (int (*) (const void *, const void *)) compwait);
1079         if ((done > 1) && (done % 2))
1080             medianwait = (stats[done / 2].waittime + stats[done / 2 + 1].waittime) / 2;
1081         else
1082             medianwait = stats[done / 2].waittime;
1083 
1084         qsort(stats, done, sizeof(struct data),
1085               (int (*) (const void *, const void *)) comprando);
1086         if ((done > 1) && (done % 2))
1087             mediantot = (stats[done / 2].time + stats[done / 2 + 1].time) / 2;
1088         else
1089             mediantot = stats[done / 2].time;
1090 
1091         printf("\nConnection Times (ms)\n");
1092         /*
1093          * Reduce stats from apr time to milliseconds
1094          */
1095         mincon     = ap_round_ms(mincon);
1096         mind       = ap_round_ms(mind);
1097         minwait    = ap_round_ms(minwait);
1098         mintot     = ap_round_ms(mintot);
1099         meancon    = ap_round_ms(meancon);
1100         meand      = ap_round_ms(meand);
1101         meanwait   = ap_round_ms(meanwait);
1102         meantot    = ap_round_ms(meantot);
1103         mediancon  = ap_round_ms(mediancon);
1104         mediand    = ap_round_ms(mediand);
1105         medianwait = ap_round_ms(medianwait);
1106         mediantot  = ap_round_ms(mediantot);
1107         maxcon     = ap_round_ms(maxcon);
1108         maxd       = ap_round_ms(maxd);
1109         maxwait    = ap_round_ms(maxwait);
1110         maxtot     = ap_round_ms(maxtot);
1111         sdcon      = ap_double_ms(sdcon);
1112         sdd        = ap_double_ms(sdd);
1113         sdwait     = ap_double_ms(sdwait);
1114         sdtot      = ap_double_ms(sdtot);
1115 
1116         if (confidence) {
1117 #define CONF_FMT_STRING "%5" APR_TIME_T_FMT " %4" APR_TIME_T_FMT " %5.1f %6" APR_TIME_T_FMT " %7" APR_TIME_T_FMT "\n"
1118             printf("              min  mean[+/-sd] median   max\n");
1119             printf("Connect:    " CONF_FMT_STRING,
1120                    mincon, meancon, sdcon, mediancon, maxcon);
1121             printf("Processing: " CONF_FMT_STRING,
1122                    mind, meand, sdd, mediand, maxd);
1123             printf("Waiting:    " CONF_FMT_STRING,
1124                    minwait, meanwait, sdwait, medianwait, maxwait);
1125             printf("Total:      " CONF_FMT_STRING,
1126                    mintot, meantot, sdtot, mediantot, maxtot);
1127 #undef CONF_FMT_STRING
1128 
1129 #define     SANE(what,mean,median,sd) \
1130               { \
1131                 double d = (double)mean - median; \
1132                 if (d < 0) d = -d; \
1133                 if (d > 2 * sd ) \
1134                     printf("ERROR: The median and mean for " what " are more than twice the standard\n" \
1135                            "       deviation apart. These results are NOT reliable.\n"); \
1136                 else if (d > sd ) \
1137                     printf("WARNING: The median and mean for " what " are not within a normal deviation\n" \
1138                            "        These results are probably not that reliable.\n"); \
1139             }
1140             SANE("the initial connection time", meancon, mediancon, sdcon);
1141             SANE("the processing time", meand, mediand, sdd);
1142             SANE("the waiting time", meanwait, medianwait, sdwait);
1143             SANE("the total time", meantot, mediantot, sdtot);
1144         }
1145         else {
1146             printf("              min   avg   max\n");
1147 #define CONF_FMT_STRING "%5" APR_TIME_T_FMT " %5" APR_TIME_T_FMT "%5" APR_TIME_T_FMT "\n"
1148             printf("Connect:    " CONF_FMT_STRING, mincon, meancon, maxcon);
1149             printf("Processing: " CONF_FMT_STRING, mind, meand, maxd);
1150             printf("Waiting:    " CONF_FMT_STRING, minwait, meanwait, maxwait);
1151             printf("Total:      " CONF_FMT_STRING, mintot, meantot, maxtot);
1152 #undef CONF_FMT_STRING
1153         }
1154 
1155 
1156         /* Sorted on total connect times */
1157         if (percentile && (done > 1)) {
1158             printf("\nPercentage of the requests served within a certain time (ms)\n");
1159             for (i = 0; i < sizeof(percs) / sizeof(int); i++) {
1160                 if (percs[i] <= 0)
1161                     printf(" 0%%  <0> (never)\n");
1162                 else if (percs[i] >= 100)
1163                     printf(" 100%%  %5" APR_TIME_T_FMT " (longest request)\n",
1164                            ap_round_ms(stats[done - 1].time));
1165                 else
1166                     printf("  %d%%  %5" APR_TIME_T_FMT "\n", percs[i],
1167                            ap_round_ms(stats[(unsigned long)done * percs[i] / 100].time));
1168             }
1169         }
1170         if (csvperc) {
1171             FILE *out = fopen(csvperc, "w");
1172             if (!out) {
1173                 perror("Cannot open CSV output file");
1174                 exit(1);
1175             }
1176             fprintf(out, "" "Percentage served" "," "Time in ms" "\n");
1177             for (i = 0; i <= 100; i++) {
1178                 double t;
1179                 if (i == 0)
1180                     t = ap_double_ms(stats[0].time);
1181                 else if (i == 100)
1182                     t = ap_double_ms(stats[done - 1].time);
1183                 else
1184                     t = ap_double_ms(stats[(unsigned long) (0.5 + (double)done * i / 100.0)].time);
1185                 fprintf(out, "%d,%.3f\n", i, t);
1186             }
1187             fclose(out);
1188         }
1189         if (gnuplot) {
1190             FILE *out = fopen(gnuplot, "w");
1191             char tmstring[APR_CTIME_LEN];
1192             if (!out) {
1193                 perror("Cannot open gnuplot output file");
1194                 exit(1);
1195             }
1196             fprintf(out, "starttime\tseconds\tctime\tdtime\tttime\twait\n");
1197             for (i = 0; i < done; i++) {
1198                 (void) apr_ctime(tmstring, stats[i].starttime);
1199                 fprintf(out, "%s\t%" APR_TIME_T_FMT "\t%" APR_TIME_T_FMT
1200                                "\t%" APR_TIME_T_FMT "\t%" APR_TIME_T_FMT
1201                                "\t%" APR_TIME_T_FMT "\n", tmstring,
1202                         apr_time_sec(stats[i].starttime),
1203                         ap_round_ms(stats[i].ctime),
1204                         ap_round_ms(stats[i].time - stats[i].ctime),
1205                         ap_round_ms(stats[i].time),
1206                         ap_round_ms(stats[i].waittime));
1207             }
1208             fclose(out);
1209         }
1210     }
1211 
1212     if (sig) {
1213         exit(1);
1214     }
1215 }
1216 
1217 /* --------------------------------------------------------- */
1218 
1219 /* calculate and output results in HTML  */
1220 
output_html_results(void)1221 static void output_html_results(void)
1222 {
1223     double timetaken = (double) (lasttime - start) / APR_USEC_PER_SEC;
1224 
1225     printf("\n\n<table %s>\n", tablestring);
1226     printf("<tr %s><th colspan=2 %s>Server Software:</th>"
1227        "<td colspan=2 %s>%s</td></tr>\n",
1228        trstring, tdstring, tdstring, servername);
1229     printf("<tr %s><th colspan=2 %s>Server Hostname:</th>"
1230        "<td colspan=2 %s>%s</td></tr>\n",
1231        trstring, tdstring, tdstring, hostname);
1232     printf("<tr %s><th colspan=2 %s>Server Port:</th>"
1233        "<td colspan=2 %s>%hu</td></tr>\n",
1234        trstring, tdstring, tdstring, port);
1235     printf("<tr %s><th colspan=2 %s>Document Path:</th>"
1236        "<td colspan=2 %s>%s</td></tr>\n",
1237        trstring, tdstring, tdstring, path);
1238     if (nolength)
1239         printf("<tr %s><th colspan=2 %s>Document Length:</th>"
1240             "<td colspan=2 %s>Variable</td></tr>\n",
1241             trstring, tdstring, tdstring);
1242     else
1243         printf("<tr %s><th colspan=2 %s>Document Length:</th>"
1244             "<td colspan=2 %s>%" APR_SIZE_T_FMT " bytes</td></tr>\n",
1245             trstring, tdstring, tdstring, doclen);
1246     printf("<tr %s><th colspan=2 %s>Concurrency Level:</th>"
1247        "<td colspan=2 %s>%d</td></tr>\n",
1248        trstring, tdstring, tdstring, concurrency);
1249     printf("<tr %s><th colspan=2 %s>Time taken for tests:</th>"
1250        "<td colspan=2 %s>%.3f seconds</td></tr>\n",
1251        trstring, tdstring, tdstring, timetaken);
1252     printf("<tr %s><th colspan=2 %s>Complete requests:</th>"
1253        "<td colspan=2 %s>%d</td></tr>\n",
1254        trstring, tdstring, tdstring, done);
1255     printf("<tr %s><th colspan=2 %s>Failed requests:</th>"
1256        "<td colspan=2 %s>%d</td></tr>\n",
1257        trstring, tdstring, tdstring, bad);
1258     if (bad)
1259         printf("<tr %s><td colspan=4 %s >   (Connect: %d, Length: %d, Exceptions: %d)</td></tr>\n",
1260            trstring, tdstring, err_conn, err_length, err_except);
1261     if (err_response)
1262         printf("<tr %s><th colspan=2 %s>Non-2xx responses:</th>"
1263            "<td colspan=2 %s>%d</td></tr>\n",
1264            trstring, tdstring, tdstring, err_response);
1265     if (keepalive)
1266         printf("<tr %s><th colspan=2 %s>Keep-Alive requests:</th>"
1267            "<td colspan=2 %s>%d</td></tr>\n",
1268            trstring, tdstring, tdstring, doneka);
1269     printf("<tr %s><th colspan=2 %s>Total transferred:</th>"
1270        "<td colspan=2 %s>%" APR_INT64_T_FMT " bytes</td></tr>\n",
1271        trstring, tdstring, tdstring, totalread);
1272     if (send_body)
1273         printf("<tr %s><th colspan=2 %s>Total body sent:</th>"
1274            "<td colspan=2 %s>%" APR_INT64_T_FMT "</td></tr>\n",
1275            trstring, tdstring,
1276            tdstring, totalposted);
1277     printf("<tr %s><th colspan=2 %s>HTML transferred:</th>"
1278        "<td colspan=2 %s>%" APR_INT64_T_FMT " bytes</td></tr>\n",
1279        trstring, tdstring, tdstring, totalbread);
1280 
1281     /* avoid divide by zero */
1282     if (timetaken) {
1283         printf("<tr %s><th colspan=2 %s>Requests per second:</th>"
1284            "<td colspan=2 %s>%.2f</td></tr>\n",
1285            trstring, tdstring, tdstring, (double) done / timetaken);
1286         printf("<tr %s><th colspan=2 %s>Transfer rate:</th>"
1287            "<td colspan=2 %s>%.2f kb/s received</td></tr>\n",
1288            trstring, tdstring, tdstring, (double) totalread / 1024 / timetaken);
1289         if (send_body) {
1290             printf("<tr %s><td colspan=2 %s>&nbsp;</td>"
1291                "<td colspan=2 %s>%.2f kb/s sent</td></tr>\n",
1292                trstring, tdstring, tdstring,
1293                (double) totalposted / 1024 / timetaken);
1294             printf("<tr %s><td colspan=2 %s>&nbsp;</td>"
1295                "<td colspan=2 %s>%.2f kb/s total</td></tr>\n",
1296                trstring, tdstring, tdstring,
1297                (double) (totalread + totalposted) / 1024 / timetaken);
1298         }
1299     }
1300     {
1301         /* work out connection times */
1302         int i;
1303         apr_interval_time_t totalcon = 0, total = 0;
1304         apr_interval_time_t mincon = AB_MAX, mintot = AB_MAX;
1305         apr_interval_time_t maxcon = 0, maxtot = 0;
1306 
1307         for (i = 0; i < done; i++) {
1308             struct data *s = &stats[i];
1309             mincon = ap_min(mincon, s->ctime);
1310             mintot = ap_min(mintot, s->time);
1311             maxcon = ap_max(maxcon, s->ctime);
1312             maxtot = ap_max(maxtot, s->time);
1313             totalcon += s->ctime;
1314             total    += s->time;
1315         }
1316         /*
1317          * Reduce stats from apr time to milliseconds
1318          */
1319         mincon   = ap_round_ms(mincon);
1320         mintot   = ap_round_ms(mintot);
1321         maxcon   = ap_round_ms(maxcon);
1322         maxtot   = ap_round_ms(maxtot);
1323         totalcon = ap_round_ms(totalcon);
1324         total    = ap_round_ms(total);
1325 
1326         if (done > 0) { /* avoid division by zero (if 0 done) */
1327             printf("<tr %s><th %s colspan=4>Connection Times (ms)</th></tr>\n",
1328                trstring, tdstring);
1329             printf("<tr %s><th %s>&nbsp;</th> <th %s>min</th>   <th %s>avg</th>   <th %s>max</th></tr>\n",
1330                trstring, tdstring, tdstring, tdstring, tdstring);
1331             printf("<tr %s><th %s>Connect:</th>"
1332                "<td %s>%5" APR_TIME_T_FMT "</td>"
1333                "<td %s>%5" APR_TIME_T_FMT "</td>"
1334                "<td %s>%5" APR_TIME_T_FMT "</td></tr>\n",
1335                trstring, tdstring, tdstring, mincon, tdstring, totalcon / done, tdstring, maxcon);
1336             printf("<tr %s><th %s>Processing:</th>"
1337                "<td %s>%5" APR_TIME_T_FMT "</td>"
1338                "<td %s>%5" APR_TIME_T_FMT "</td>"
1339                "<td %s>%5" APR_TIME_T_FMT "</td></tr>\n",
1340                trstring, tdstring, tdstring, mintot - mincon, tdstring,
1341                (total / done) - (totalcon / done), tdstring, maxtot - maxcon);
1342             printf("<tr %s><th %s>Total:</th>"
1343                "<td %s>%5" APR_TIME_T_FMT "</td>"
1344                "<td %s>%5" APR_TIME_T_FMT "</td>"
1345                "<td %s>%5" APR_TIME_T_FMT "</td></tr>\n",
1346                trstring, tdstring, tdstring, mintot, tdstring, total / done, tdstring, maxtot);
1347         }
1348         printf("</table>\n");
1349     }
1350 }
1351 
1352 /* --------------------------------------------------------- */
1353 
1354 /* start asnchronous non-blocking connection */
1355 
start_connect(struct connection * c)1356 static void start_connect(struct connection * c)
1357 {
1358     apr_status_t rv;
1359 
1360     if (!(started < requests))
1361         return;
1362 
1363     c->read = 0;
1364     c->bread = 0;
1365     c->keepalive = 0;
1366     c->cbx = 0;
1367     c->gotheader = 0;
1368     c->rwrite = 0;
1369     if (c->ctx)
1370         apr_pool_clear(c->ctx);
1371     else
1372         apr_pool_create(&c->ctx, cntxt);
1373 
1374     if ((rv = apr_socket_create(&c->aprsock, destsa->family,
1375                 SOCK_STREAM, 0, c->ctx)) != APR_SUCCESS) {
1376     apr_err("socket", rv);
1377     }
1378 
1379     if (myhost) {
1380         if ((rv = apr_socket_bind(c->aprsock, mysa)) != APR_SUCCESS) {
1381             apr_err("bind", rv);
1382         }
1383     }
1384 
1385     c->pollfd.desc_type = APR_POLL_SOCKET;
1386     c->pollfd.desc.s = c->aprsock;
1387     c->pollfd.reqevents = 0;
1388     c->pollfd.client_data = c;
1389 
1390     if ((rv = apr_socket_opt_set(c->aprsock, APR_SO_NONBLOCK, 1))
1391          != APR_SUCCESS) {
1392         apr_err("socket nonblock", rv);
1393     }
1394 
1395     if (windowsize != 0) {
1396         rv = apr_socket_opt_set(c->aprsock, APR_SO_SNDBUF,
1397                                 windowsize);
1398         if (rv != APR_SUCCESS && rv != APR_ENOTIMPL) {
1399             apr_err("socket send buffer", rv);
1400         }
1401         rv = apr_socket_opt_set(c->aprsock, APR_SO_RCVBUF,
1402                                 windowsize);
1403         if (rv != APR_SUCCESS && rv != APR_ENOTIMPL) {
1404             apr_err("socket receive buffer", rv);
1405         }
1406     }
1407 
1408     c->start = lasttime = apr_time_now();
1409 #ifdef USE_SSL
1410     if (is_ssl) {
1411         BIO *bio;
1412         apr_os_sock_t fd;
1413 
1414         if ((c->ssl = SSL_new(ssl_ctx)) == NULL) {
1415             BIO_printf(bio_err, "SSL_new failed.\n");
1416             ERR_print_errors(bio_err);
1417             exit(1);
1418         }
1419         ssl_rand_seed();
1420         apr_os_sock_get(&fd, c->aprsock);
1421         bio = BIO_new_socket(fd, BIO_NOCLOSE);
1422         BIO_set_nbio(bio, 1);
1423         SSL_set_bio(c->ssl, bio, bio);
1424         SSL_set_connect_state(c->ssl);
1425         if (verbosity >= 4) {
1426             BIO_set_callback(bio, ssl_print_cb);
1427             BIO_set_callback_arg(bio, (void *)bio_err);
1428         }
1429 #ifdef HAVE_TLSEXT
1430         if (tls_sni) {
1431             SSL_set_tlsext_host_name(c->ssl, tls_sni);
1432         }
1433 #endif
1434     } else {
1435         c->ssl = NULL;
1436     }
1437 #endif
1438     if ((rv = apr_socket_connect(c->aprsock, destsa)) != APR_SUCCESS) {
1439         if (APR_STATUS_IS_EINPROGRESS(rv)) {
1440             set_conn_state(c, STATE_CONNECTING);
1441             c->rwrite = 0;
1442             return;
1443         }
1444         else {
1445             set_conn_state(c, STATE_UNCONNECTED);
1446             apr_socket_close(c->aprsock);
1447             if (good == 0 && destsa->next) {
1448                 destsa = destsa->next;
1449                 err_conn = 0;
1450             }
1451             else if (bad++ > 10) {
1452                 fprintf(stderr,
1453                    "\nTest aborted after 10 failures\n\n");
1454                 apr_err("apr_socket_connect()", rv);
1455             }
1456             else {
1457                 err_conn++;
1458             }
1459 
1460             start_connect(c);
1461             return;
1462         }
1463     }
1464 
1465     /* connected first time */
1466     set_conn_state(c, STATE_CONNECTED);
1467 #ifdef USE_SSL
1468     if (c->ssl) {
1469         ssl_proceed_handshake(c);
1470     } else
1471 #endif
1472     {
1473         write_request(c);
1474     }
1475 }
1476 
1477 /* --------------------------------------------------------- */
1478 
1479 /* close down connection and save stats */
1480 
close_connection(struct connection * c)1481 static void close_connection(struct connection * c)
1482 {
1483     if (c->read == 0 && c->keepalive) {
1484         /*
1485          * server has legitimately shut down an idle keep alive request
1486          */
1487         if (good)
1488             good--;     /* connection never happened */
1489     }
1490     else {
1491         if (good == 1) {
1492             /* first time here */
1493             doclen = c->bread;
1494         }
1495         else if ((c->bread != doclen) && !nolength) {
1496             bad++;
1497             err_length++;
1498         }
1499         /* save out time */
1500         if (done < requests) {
1501             struct data *s = &stats[done++];
1502             c->done      = lasttime = apr_time_now();
1503             s->starttime = c->start;
1504             s->ctime     = ap_max(0, c->connect - c->start);
1505             s->time      = ap_max(0, c->done - c->start);
1506             s->waittime  = ap_max(0, c->beginread - c->endwrite);
1507             if (heartbeatres && !(done % heartbeatres)) {
1508                 fprintf(stderr, "Completed %d requests\n", done);
1509                 fflush(stderr);
1510             }
1511         }
1512     }
1513 
1514     set_conn_state(c, STATE_UNCONNECTED);
1515 #ifdef USE_SSL
1516     if (c->ssl) {
1517         SSL_shutdown(c->ssl);
1518         SSL_free(c->ssl);
1519         c->ssl = NULL;
1520     }
1521 #endif
1522     apr_socket_close(c->aprsock);
1523 
1524     /* connect again */
1525     start_connect(c);
1526     return;
1527 }
1528 
1529 /* --------------------------------------------------------- */
1530 
1531 /* read data from connection */
1532 
read_connection(struct connection * c)1533 static void read_connection(struct connection * c)
1534 {
1535     apr_size_t r;
1536     apr_status_t status;
1537     char *part;
1538     char respcode[4];       /* 3 digits and null */
1539     int i;
1540 
1541     r = sizeof(buffer);
1542 read_more:
1543 #ifdef USE_SSL
1544     if (c->ssl) {
1545         status = SSL_read(c->ssl, buffer, r);
1546         if (status <= 0) {
1547             int scode = SSL_get_error(c->ssl, status);
1548 
1549             if (scode == SSL_ERROR_ZERO_RETURN) {
1550                 /* connection closed cleanly: */
1551                 good++;
1552                 close_connection(c);
1553             }
1554             else if (scode == SSL_ERROR_SYSCALL
1555                      && status == 0
1556                      && c->read != 0) {
1557                 /* connection closed, but in violation of the protocol, after
1558                  * some data has already been read; this commonly happens, so
1559                  * let the length check catch any response errors
1560                  */
1561                 good++;
1562                 close_connection(c);
1563             }
1564             else if (scode == SSL_ERROR_SYSCALL
1565                      && c->read == 0
1566                      && destsa->next
1567                      && c->state == STATE_CONNECTING
1568                      && good == 0) {
1569                 return;
1570             }
1571             else if (scode == SSL_ERROR_WANT_READ) {
1572                 set_polled_events(c, APR_POLLIN);
1573             }
1574             else if (scode == SSL_ERROR_WANT_WRITE) {
1575                 set_polled_events(c, APR_POLLOUT);
1576             }
1577             else {
1578                 /* some fatal error: */
1579                 c->read = 0;
1580                 BIO_printf(bio_err, "SSL read failed (%d) - closing connection\n", scode);
1581                 ERR_print_errors(bio_err);
1582                 close_connection(c);
1583             }
1584             return;
1585         }
1586         r = status;
1587     }
1588     else
1589 #endif
1590     {
1591         status = apr_socket_recv(c->aprsock, buffer, &r);
1592         if (APR_STATUS_IS_EAGAIN(status))
1593             return;
1594         else if (r == 0 && APR_STATUS_IS_EOF(status)) {
1595             good++;
1596             close_connection(c);
1597             return;
1598         }
1599         /* catch legitimate fatal apr_socket_recv errors */
1600         else if (status != APR_SUCCESS) {
1601             if (recverrok) {
1602                 err_recv++;
1603                 bad++;
1604                 close_connection(c);
1605                 if (verbosity >= 1) {
1606                     char buf[120];
1607                     fprintf(stderr,"%s: %s (%d)\n", "apr_socket_recv", apr_strerror(status, buf, sizeof buf), status);
1608                 }
1609                 return;
1610             } else if (destsa->next && c->state == STATE_CONNECTING
1611                        && c->read == 0 && good == 0) {
1612                 return;
1613             }
1614             else {
1615                 err_recv++;
1616                 apr_err("apr_socket_recv", status);
1617             }
1618         }
1619     }
1620 
1621     totalread += r;
1622     if (c->read == 0) {
1623         c->beginread = apr_time_now();
1624     }
1625     c->read += r;
1626 
1627 
1628     if (!c->gotheader) {
1629         char *s;
1630         int l = 4;
1631         apr_size_t space = CBUFFSIZE - c->cbx - 1; /* -1 allows for \0 term */
1632         int tocopy = (space < r) ? space : r;
1633 #ifdef NOT_ASCII
1634         apr_size_t inbytes_left = space, outbytes_left = space;
1635 
1636         status = apr_xlate_conv_buffer(from_ascii, buffer, &inbytes_left,
1637                            c->cbuff + c->cbx, &outbytes_left);
1638         if (status || inbytes_left || outbytes_left) {
1639             fprintf(stderr, "only simple translation is supported (%d/%" APR_SIZE_T_FMT
1640                             "/%" APR_SIZE_T_FMT ")\n", status, inbytes_left, outbytes_left);
1641             exit(1);
1642         }
1643 #else
1644         memcpy(c->cbuff + c->cbx, buffer, space);
1645 #endif              /* NOT_ASCII */
1646         c->cbx += tocopy;
1647         space -= tocopy;
1648         c->cbuff[c->cbx] = 0;   /* terminate for benefit of strstr */
1649         if (verbosity >= 2) {
1650             printf("LOG: header received:\n%s\n", c->cbuff);
1651         }
1652         s = strstr(c->cbuff, "\r\n\r\n");
1653         /*
1654          * this next line is so that we talk to NCSA 1.5 which blatantly
1655          * breaks the http specifaction
1656          */
1657         if (!s) {
1658             s = strstr(c->cbuff, "\n\n");
1659             l = 2;
1660         }
1661 
1662         if (!s) {
1663             /* read rest next time */
1664             if (space) {
1665                 return;
1666             }
1667             else {
1668             /* header is in invalid or too big - close connection */
1669                 set_conn_state(c, STATE_UNCONNECTED);
1670                 apr_socket_close(c->aprsock);
1671                 err_response++;
1672                 if (bad++ > 10) {
1673                     err("\nTest aborted after 10 failures\n\n");
1674                 }
1675                 start_connect(c);
1676             }
1677         }
1678         else {
1679             /* have full header */
1680             if (!good) {
1681                 /*
1682                  * this is first time, extract some interesting info
1683                  */
1684                 char *p, *q;
1685                 size_t len = 0;
1686                 p = xstrcasestr(c->cbuff, "Server:");
1687                 q = servername;
1688                 if (p) {
1689                     p += 8;
1690                     /* -1 to not overwrite last '\0' byte */
1691                     while (*p > 32 && len++ < sizeof(servername) - 1)
1692                         *q++ = *p++;
1693                 }
1694                 *q = 0;
1695             }
1696             /*
1697              * XXX: this parsing isn't even remotely HTTP compliant... but in
1698              * the interest of speed it doesn't totally have to be, it just
1699              * needs to be extended to handle whatever servers folks want to
1700              * test against. -djg
1701              */
1702 
1703             /* check response code */
1704             part = strstr(c->cbuff, "HTTP");    /* really HTTP/1.x_ */
1705             if (part && strlen(part) > strlen("HTTP/1.x_")) {
1706                 strncpy(respcode, (part + strlen("HTTP/1.x_")), 3);
1707                 respcode[3] = '\0';
1708             }
1709             else {
1710                 strcpy(respcode, "500");
1711             }
1712 
1713             if (respcode[0] != '2') {
1714                 err_response++;
1715                 if (verbosity >= 2)
1716                     printf("WARNING: Response code not 2xx (%s)\n", respcode);
1717             }
1718             else if (verbosity >= 3) {
1719                 printf("LOG: Response code = %s\n", respcode);
1720             }
1721             c->gotheader = 1;
1722             *s = 0;     /* terminate at end of header */
1723             if (keepalive && xstrcasestr(c->cbuff, "Keep-Alive")) {
1724                 char *cl;
1725                 c->keepalive = 1;
1726                 cl = xstrcasestr(c->cbuff, "Content-Length:");
1727                 if (cl && method != HEAD) {
1728                     /* response to HEAD doesn't have entity body */
1729                     c->length = atoi(cl + 16);
1730                 }
1731                 else {
1732                     c->length = 0;
1733                 }
1734             }
1735             c->bread += c->cbx - (s + l - c->cbuff) + r - tocopy;
1736             totalbread += c->bread;
1737 
1738             /* We have received the header, so we know this destination socket
1739              * address is working, so initialize all remaining requests. */
1740             if (!requests_initialized) {
1741                 for (i = 1; i < concurrency; i++) {
1742                     con[i].socknum = i;
1743                     start_connect(&con[i]);
1744                 }
1745                 requests_initialized = 1;
1746             }
1747         }
1748     }
1749     else {
1750         /* outside header, everything we have read is entity body */
1751         c->bread += r;
1752         totalbread += r;
1753     }
1754     if (r == sizeof(buffer) && c->bread < c->length) {
1755         /* read was full, try more immediately (nonblocking already) */
1756         goto read_more;
1757     }
1758 
1759     if (c->keepalive && (c->bread >= c->length)) {
1760         /* finished a keep-alive connection */
1761         good++;
1762         /* save out time */
1763         if (good == 1) {
1764             /* first time here */
1765             doclen = c->bread;
1766         }
1767         else if ((c->bread != doclen) && !nolength) {
1768             bad++;
1769             err_length++;
1770         }
1771         if (done < requests) {
1772             struct data *s = &stats[done++];
1773             doneka++;
1774             c->done      = apr_time_now();
1775             s->starttime = c->start;
1776             s->ctime     = ap_max(0, c->connect - c->start);
1777             s->time      = ap_max(0, c->done - c->start);
1778             s->waittime  = ap_max(0, c->beginread - c->endwrite);
1779             if (heartbeatres && !(done % heartbeatres)) {
1780                 fprintf(stderr, "Completed %d requests\n", done);
1781                 fflush(stderr);
1782             }
1783         }
1784         c->keepalive = 0;
1785         c->length = 0;
1786         c->gotheader = 0;
1787         c->cbx = 0;
1788         c->read = c->bread = 0;
1789         /* zero connect time with keep-alive */
1790         c->start = c->connect = lasttime = apr_time_now();
1791         set_conn_state(c, STATE_CONNECTED);
1792         write_request(c);
1793     }
1794 }
1795 
1796 /* --------------------------------------------------------- */
1797 
1798 /* run the tests */
1799 
test(void)1800 static void test(void)
1801 {
1802     apr_time_t stoptime;
1803     apr_int16_t rtnev;
1804     apr_status_t rv;
1805     int i;
1806     apr_status_t status;
1807     int snprintf_res = 0;
1808 #ifdef NOT_ASCII
1809     apr_size_t inbytes_left, outbytes_left;
1810 #endif
1811 
1812     if (isproxy) {
1813         connecthost = apr_pstrdup(cntxt, proxyhost);
1814         connectport = proxyport;
1815     }
1816     else {
1817         connecthost = apr_pstrdup(cntxt, hostname);
1818         connectport = port;
1819     }
1820 
1821     if (!use_html) {
1822         printf("Benchmarking %s ", hostname);
1823     if (isproxy)
1824         printf("[through %s:%d] ", proxyhost, proxyport);
1825     printf("(be patient)%s",
1826            (heartbeatres ? "\n" : "..."));
1827     fflush(stdout);
1828     }
1829 
1830     con = xcalloc(concurrency, sizeof(struct connection));
1831 
1832     /*
1833      * XXX: a way to calculate the stats without requiring O(requests) memory
1834      * XXX: would be nice.
1835      */
1836     stats = xcalloc(requests, sizeof(struct data));
1837 
1838     if ((status = apr_pollset_create(&readbits, concurrency, cntxt,
1839                                      APR_POLLSET_NOCOPY)) != APR_SUCCESS) {
1840         apr_err("apr_pollset_create failed", status);
1841     }
1842 
1843     /* add default headers if necessary */
1844     if (!opt_host) {
1845         /* Host: header not overridden, add default value to hdrs */
1846         hdrs = apr_pstrcat(cntxt, hdrs, "Host: ", host_field, colonhost, "\r\n", NULL);
1847     }
1848     else {
1849         /* Header overridden, no need to add, as it is already in hdrs */
1850     }
1851 
1852 #ifdef HAVE_TLSEXT
1853     if (is_ssl && tls_use_sni) {
1854         apr_ipsubnet_t *ip;
1855         if (((tls_sni = opt_host) || (tls_sni = hostname)) &&
1856             (!*tls_sni || apr_ipsubnet_create(&ip, tls_sni, NULL,
1857                                                cntxt) == APR_SUCCESS)) {
1858             /* IP not allowed in TLS SNI extension */
1859             tls_sni = NULL;
1860         }
1861     }
1862 #endif
1863 
1864     if (!opt_useragent) {
1865         /* User-Agent: header not overridden, add default value to hdrs */
1866         hdrs = apr_pstrcat(cntxt, hdrs, "User-Agent: ApacheBench/", AP_AB_BASEREVISION, "\r\n", NULL);
1867     }
1868     else {
1869         /* Header overridden, no need to add, as it is already in hdrs */
1870     }
1871 
1872     if (!opt_accept) {
1873         /* Accept: header not overridden, add default value to hdrs */
1874         hdrs = apr_pstrcat(cntxt, hdrs, "Accept: */*\r\n", NULL);
1875     }
1876     else {
1877         /* Header overridden, no need to add, as it is already in hdrs */
1878     }
1879 
1880     /* setup request */
1881     if (!send_body) {
1882         snprintf_res = apr_snprintf(request, sizeof(_request),
1883             "%s %s HTTP/1.0\r\n"
1884             "%s" "%s" "%s"
1885             "%s" "\r\n",
1886             method_str[method],
1887             (isproxy) ? fullurl : path,
1888             keepalive ? "Connection: Keep-Alive\r\n" : "",
1889             cookie, auth, hdrs);
1890     }
1891     else {
1892         snprintf_res = apr_snprintf(request,  sizeof(_request),
1893             "%s %s HTTP/1.0\r\n"
1894             "%s" "%s" "%s"
1895             "Content-length: %" APR_SIZE_T_FMT "\r\n"
1896             "Content-type: %s\r\n"
1897             "%s"
1898             "\r\n",
1899             method_str[method],
1900             (isproxy) ? fullurl : path,
1901             keepalive ? "Connection: Keep-Alive\r\n" : "",
1902             cookie, auth,
1903             postlen,
1904             (content_type != NULL) ? content_type : "text/plain", hdrs);
1905     }
1906     if (snprintf_res >= sizeof(_request)) {
1907         err("Request too long\n");
1908     }
1909 
1910     if (verbosity >= 2)
1911         printf("INFO: %s header == \n---\n%s\n---\n",
1912                method_str[method], request);
1913 
1914     reqlen = strlen(request);
1915 
1916     /*
1917      * Combine headers and (optional) post file into one continuous buffer
1918      */
1919     if (send_body) {
1920         char *buff = xmalloc(postlen + reqlen + 1);
1921         strcpy(buff, request);
1922         memcpy(buff + reqlen, postdata, postlen);
1923         request = buff;
1924     }
1925 
1926 #ifdef NOT_ASCII
1927     inbytes_left = outbytes_left = reqlen;
1928     status = apr_xlate_conv_buffer(to_ascii, request, &inbytes_left,
1929                    request, &outbytes_left);
1930     if (status || inbytes_left || outbytes_left) {
1931         fprintf(stderr, "only simple translation is supported (%d/%"
1932                         APR_SIZE_T_FMT "/%" APR_SIZE_T_FMT ")\n",
1933                         status, inbytes_left, outbytes_left);
1934         exit(1);
1935     }
1936 #endif              /* NOT_ASCII */
1937 
1938     if (myhost) {
1939         /* This only needs to be done once */
1940         if ((rv = apr_sockaddr_info_get(&mysa, myhost, APR_UNSPEC, 0, 0, cntxt)) != APR_SUCCESS) {
1941             char buf[120];
1942             apr_snprintf(buf, sizeof(buf),
1943                          "apr_sockaddr_info_get() for %s", myhost);
1944             apr_err(buf, rv);
1945         }
1946     }
1947 
1948     /* This too */
1949     if ((rv = apr_sockaddr_info_get(&destsa, connecthost,
1950                                     myhost ? mysa->family : APR_UNSPEC,
1951                                     connectport, 0, cntxt))
1952        != APR_SUCCESS) {
1953         char buf[120];
1954         apr_snprintf(buf, sizeof(buf),
1955                  "apr_sockaddr_info_get() for %s", connecthost);
1956         apr_err(buf, rv);
1957     }
1958 
1959     /* ok - lets start */
1960     start = lasttime = apr_time_now();
1961     stoptime = tlimit ? (start + apr_time_from_sec(tlimit)) : AB_MAX;
1962 
1963 #ifdef SIGINT
1964     /* Output the results if the user terminates the run early. */
1965     apr_signal(SIGINT, output_results);
1966 #endif
1967 
1968     /* initialise first connection to determine destination socket address
1969      * which should be used for next connections. */
1970     con[0].socknum = 0;
1971     start_connect(&con[0]);
1972 
1973     do {
1974         apr_int32_t n;
1975         const apr_pollfd_t *pollresults, *pollfd;
1976 
1977         n = concurrency;
1978         do {
1979             status = apr_pollset_poll(readbits, aprtimeout, &n, &pollresults);
1980         } while (APR_STATUS_IS_EINTR(status));
1981         if (status != APR_SUCCESS)
1982             apr_err("apr_pollset_poll", status);
1983 
1984         for (i = 0, pollfd = pollresults; i < n; i++, pollfd++) {
1985             struct connection *c;
1986 
1987             c = pollfd->client_data;
1988 
1989             /*
1990              * If the connection isn't connected how can we check it?
1991              */
1992             if (c->state == STATE_UNCONNECTED)
1993                 continue;
1994 
1995             rtnev = pollfd->rtnevents;
1996 
1997 #ifdef USE_SSL
1998             if (c->state == STATE_CONNECTED && c->ssl && SSL_in_init(c->ssl)) {
1999                 ssl_proceed_handshake(c);
2000                 continue;
2001             }
2002 #endif
2003 
2004             /*
2005              * Notes: APR_POLLHUP is set after FIN is received on some
2006              * systems, so treat that like APR_POLLIN so that we try to read
2007              * again.
2008              *
2009              * Some systems return APR_POLLERR with APR_POLLHUP.  We need to
2010              * call read_connection() for APR_POLLHUP, so check for
2011              * APR_POLLHUP first so that a closed connection isn't treated
2012              * like an I/O error.  If it is, we never figure out that the
2013              * connection is done and we loop here endlessly calling
2014              * apr_poll().
2015              */
2016             if ((rtnev & APR_POLLIN) || (rtnev & APR_POLLPRI) || (rtnev & APR_POLLHUP))
2017                 read_connection(c);
2018             if ((rtnev & APR_POLLERR) || (rtnev & APR_POLLNVAL)) {
2019                 if (destsa->next && c->state == STATE_CONNECTING && good == 0) {
2020                     destsa = destsa->next;
2021                     start_connect(c);
2022                 }
2023                 else {
2024                     bad++;
2025                     err_except++;
2026                     /* avoid apr_poll/EINPROGRESS loop on HP-UX, let recv discover ECONNREFUSED */
2027                     if (c->state == STATE_CONNECTING) {
2028                         read_connection(c);
2029                     }
2030                     else {
2031                         start_connect(c);
2032                     }
2033                 }
2034                 continue;
2035             }
2036             if (rtnev & APR_POLLOUT) {
2037                 if (c->state == STATE_CONNECTING) {
2038                     /* call connect() again to detect errors */
2039                     rv = apr_socket_connect(c->aprsock, destsa);
2040                     if (rv != APR_SUCCESS) {
2041                         set_conn_state(c, STATE_UNCONNECTED);
2042                         apr_socket_close(c->aprsock);
2043                         err_conn++;
2044                         if (bad++ > 10) {
2045                             fprintf(stderr,
2046                                     "\nTest aborted after 10 failures\n\n");
2047                             apr_err("apr_socket_connect()", rv);
2048                         }
2049                         start_connect(c);
2050                         continue;
2051                     }
2052                     else {
2053                         set_conn_state(c, STATE_CONNECTED);
2054 #ifdef USE_SSL
2055                         if (c->ssl)
2056                             ssl_proceed_handshake(c);
2057                         else
2058 #endif
2059                         write_request(c);
2060                     }
2061                 }
2062                 else {
2063                     /* POLLOUT is one shot */
2064                     set_polled_events(c, APR_POLLIN);
2065                     if (c->state == STATE_READ) {
2066                         read_connection(c);
2067                     }
2068                     else {
2069                         write_request(c);
2070                     }
2071                 }
2072             }
2073         }
2074     } while (lasttime < stoptime && done < requests);
2075 
2076     if (heartbeatres)
2077         fprintf(stderr, "Finished %d requests\n", done);
2078     else
2079         printf("..done\n");
2080 
2081     if (use_html)
2082         output_html_results();
2083     else
2084         output_results(0);
2085 }
2086 
2087 /* ------------------------------------------------------- */
2088 
2089 /* display copyright information */
copyright(void)2090 static void copyright(void)
2091 {
2092     if (!use_html) {
2093         printf("This is ApacheBench, Version %s\n", AP_AB_BASEREVISION " <$Revision: 1879490 $>");
2094         printf("Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/\n");
2095         printf("Licensed to The Apache Software Foundation, http://www.apache.org/\n");
2096         printf("\n");
2097     }
2098     else {
2099         printf("<p>\n");
2100         printf(" This is ApacheBench, Version %s <i>&lt;%s&gt;</i><br>\n", AP_AB_BASEREVISION, "$Revision: 1879490 $");
2101         printf(" Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/<br>\n");
2102         printf(" Licensed to The Apache Software Foundation, http://www.apache.org/<br>\n");
2103         printf("</p>\n<p>\n");
2104     }
2105 }
2106 
2107 /* display usage information */
usage(const char * progname)2108 static void usage(const char *progname)
2109 {
2110     fprintf(stderr, "Usage: %s [options] [http"
2111 #ifdef USE_SSL
2112         "[s]"
2113 #endif
2114         "://]hostname[:port]/path\n", progname);
2115 /* 80 column ruler:  ********************************************************************************
2116  */
2117     fprintf(stderr, "Options are:\n");
2118     fprintf(stderr, "    -n requests     Number of requests to perform\n");
2119     fprintf(stderr, "    -c concurrency  Number of multiple requests to make at a time\n");
2120     fprintf(stderr, "    -t timelimit    Seconds to max. to spend on benchmarking\n");
2121     fprintf(stderr, "                    This implies -n 50000\n");
2122     fprintf(stderr, "    -s timeout      Seconds to max. wait for each response\n");
2123     fprintf(stderr, "                    Default is 30 seconds\n");
2124     fprintf(stderr, "    -b windowsize   Size of TCP send/receive buffer, in bytes\n");
2125     fprintf(stderr, "    -B address      Address to bind to when making outgoing connections\n");
2126     fprintf(stderr, "    -p postfile     File containing data to POST. Remember also to set -T\n");
2127     fprintf(stderr, "    -u putfile      File containing data to PUT. Remember also to set -T\n");
2128     fprintf(stderr, "    -T content-type Content-type header to use for POST/PUT data, eg.\n");
2129     fprintf(stderr, "                    'application/x-www-form-urlencoded'\n");
2130     fprintf(stderr, "                    Default is 'text/plain'\n");
2131     fprintf(stderr, "    -v verbosity    How much troubleshooting info to print\n");
2132     fprintf(stderr, "    -w              Print out results in HTML tables\n");
2133     fprintf(stderr, "    -i              Use HEAD instead of GET\n");
2134     fprintf(stderr, "    -x attributes   String to insert as table attributes\n");
2135     fprintf(stderr, "    -y attributes   String to insert as tr attributes\n");
2136     fprintf(stderr, "    -z attributes   String to insert as td or th attributes\n");
2137     fprintf(stderr, "    -C attribute    Add cookie, eg. 'Apache=1234'. (repeatable)\n");
2138     fprintf(stderr, "    -H attribute    Add Arbitrary header line, eg. 'Accept-Encoding: gzip'\n");
2139     fprintf(stderr, "                    Inserted after all normal header lines. (repeatable)\n");
2140     fprintf(stderr, "    -A attribute    Add Basic WWW Authentication, the attributes\n");
2141     fprintf(stderr, "                    are a colon separated username and password.\n");
2142     fprintf(stderr, "    -P attribute    Add Basic Proxy Authentication, the attributes\n");
2143     fprintf(stderr, "                    are a colon separated username and password.\n");
2144     fprintf(stderr, "    -X proxy:port   Proxyserver and port number to use\n");
2145     fprintf(stderr, "    -V              Print version number and exit\n");
2146     fprintf(stderr, "    -k              Use HTTP KeepAlive feature\n");
2147     fprintf(stderr, "    -d              Do not show percentiles served table.\n");
2148     fprintf(stderr, "    -S              Do not show confidence estimators and warnings.\n");
2149     fprintf(stderr, "    -q              Do not show progress when doing more than 150 requests\n");
2150     fprintf(stderr, "    -l              Accept variable document length (use this for dynamic pages)\n");
2151     fprintf(stderr, "    -g filename     Output collected data to gnuplot format file.\n");
2152     fprintf(stderr, "    -e filename     Output CSV file with percentages served\n");
2153     fprintf(stderr, "    -r              Don't exit on socket receive errors.\n");
2154     fprintf(stderr, "    -m method       Method name\n");
2155     fprintf(stderr, "    -h              Display usage information (this message)\n");
2156 #ifdef USE_SSL
2157 
2158 #ifndef OPENSSL_NO_SSL2
2159 #define SSL2_HELP_MSG "SSL2, "
2160 #else
2161 #define SSL2_HELP_MSG ""
2162 #endif
2163 
2164 #ifndef OPENSSL_NO_SSL3
2165 #define SSL3_HELP_MSG "SSL3, "
2166 #else
2167 #define SSL3_HELP_MSG ""
2168 #endif
2169 
2170 #ifdef HAVE_TLSV1_X
2171 #define TLS1_X_HELP_MSG ", TLS1.1, TLS1.2"
2172 #else
2173 #define TLS1_X_HELP_MSG ""
2174 #endif
2175 
2176 #ifdef HAVE_TLSEXT
2177     fprintf(stderr, "    -I              Disable TLS Server Name Indication (SNI) extension\n");
2178 #endif
2179     fprintf(stderr, "    -Z ciphersuite  Specify SSL/TLS cipher suite (See openssl ciphers)\n");
2180     fprintf(stderr, "    -f protocol     Specify SSL/TLS protocol\n");
2181     fprintf(stderr, "                    (" SSL2_HELP_MSG SSL3_HELP_MSG "TLS1" TLS1_X_HELP_MSG " or ALL)\n");
2182     fprintf(stderr, "    -E certfile     Specify optional client certificate chain and private key\n");
2183 #endif
2184     exit(EINVAL);
2185 }
2186 
2187 /* ------------------------------------------------------- */
2188 
2189 /* split URL into parts */
2190 
parse_url(const char * url)2191 static int parse_url(const char *url)
2192 {
2193     char *cp;
2194     char *h;
2195     char *scope_id;
2196     apr_status_t rv;
2197 
2198     /* Save a copy for the proxy */
2199     fullurl = apr_pstrdup(cntxt, url);
2200 
2201     if (strlen(url) > 7 && strncmp(url, "http://", 7) == 0) {
2202         url += 7;
2203 #ifdef USE_SSL
2204         is_ssl = 0;
2205 #endif
2206     }
2207     else
2208 #ifdef USE_SSL
2209     if (strlen(url) > 8 && strncmp(url, "https://", 8) == 0) {
2210         url += 8;
2211         is_ssl = 1;
2212     }
2213 #else
2214     if (strlen(url) > 8 && strncmp(url, "https://", 8) == 0) {
2215         fprintf(stderr, "SSL not compiled in; no https support\n");
2216         exit(1);
2217     }
2218 #endif
2219 
2220     if ((cp = strchr(url, '/')) == NULL)
2221         return 1;
2222     h = apr_pstrmemdup(cntxt, url, cp - url);
2223     rv = apr_parse_addr_port(&hostname, &scope_id, &port, h, cntxt);
2224     if (rv != APR_SUCCESS || !hostname || scope_id) {
2225         return 1;
2226     }
2227     path = apr_pstrdup(cntxt, cp);
2228     *cp = '\0';
2229     if (*url == '[') {      /* IPv6 numeric address string */
2230         host_field = apr_psprintf(cntxt, "[%s]", hostname);
2231     }
2232     else {
2233         host_field = hostname;
2234     }
2235 
2236     if (port == 0) {        /* no port specified */
2237 #ifdef USE_SSL
2238         if (is_ssl)
2239             port = 443;
2240         else
2241 #endif
2242         port = 80;
2243     }
2244 
2245     if ((
2246 #ifdef USE_SSL
2247          is_ssl && (port != 443)) || (!is_ssl &&
2248 #endif
2249          (port != 80)))
2250     {
2251         colonhost = apr_psprintf(cntxt,":%d",port);
2252     } else
2253         colonhost = "";
2254     return 0;
2255 }
2256 
2257 /* ------------------------------------------------------- */
2258 
2259 /* read data to POST/PUT from file, save contents and length */
2260 
open_postfile(const char * pfile)2261 static apr_status_t open_postfile(const char *pfile)
2262 {
2263     apr_file_t *postfd;
2264     apr_finfo_t finfo;
2265     apr_status_t rv;
2266     char errmsg[120];
2267 
2268     rv = apr_file_open(&postfd, pfile, APR_READ, APR_OS_DEFAULT, cntxt);
2269     if (rv != APR_SUCCESS) {
2270         fprintf(stderr, "ab: Could not open POST data file (%s): %s\n", pfile,
2271                 apr_strerror(rv, errmsg, sizeof errmsg));
2272         return rv;
2273     }
2274 
2275     rv = apr_file_info_get(&finfo, APR_FINFO_NORM, postfd);
2276     if (rv != APR_SUCCESS) {
2277         fprintf(stderr, "ab: Could not stat POST data file (%s): %s\n", pfile,
2278                 apr_strerror(rv, errmsg, sizeof errmsg));
2279         return rv;
2280     }
2281     postlen = (apr_size_t)finfo.size;
2282     postdata = xmalloc(postlen);
2283     rv = apr_file_read_full(postfd, postdata, postlen, NULL);
2284     if (rv != APR_SUCCESS) {
2285         fprintf(stderr, "ab: Could not read POST data file: %s\n",
2286                 apr_strerror(rv, errmsg, sizeof errmsg));
2287         return rv;
2288     }
2289     apr_file_close(postfd);
2290     return APR_SUCCESS;
2291 }
2292 
2293 /* ------------------------------------------------------- */
2294 
2295 /* sort out command-line args and call test */
main(int argc,const char * const argv[])2296 int main(int argc, const char * const argv[])
2297 {
2298     int l;
2299     char tmp[1024];
2300     apr_status_t status;
2301     apr_getopt_t *opt;
2302     const char *opt_arg;
2303     char c;
2304 #if OPENSSL_VERSION_NUMBER >= 0x10100000L
2305     int max_prot = TLS1_2_VERSION;
2306 #ifndef OPENSSL_NO_SSL3
2307     int min_prot = SSL3_VERSION;
2308 #else
2309     int min_prot = TLS1_VERSION;
2310 #endif
2311 #endif /* #if OPENSSL_VERSION_NUMBER >= 0x10100000L */
2312 #ifdef USE_SSL
2313     AB_SSL_METHOD_CONST SSL_METHOD *meth = SSLv23_client_method();
2314 #endif
2315 
2316     /* table defaults  */
2317     tablestring = "";
2318     trstring = "";
2319     tdstring = "bgcolor=white";
2320     cookie = "";
2321     auth = "";
2322     proxyhost = "";
2323     hdrs = "";
2324 
2325     apr_app_initialize(&argc, &argv, NULL);
2326     atexit(apr_terminate);
2327     apr_pool_create(&cntxt, NULL);
2328     apr_pool_abort_set(abort_on_oom, cntxt);
2329 
2330 #ifdef NOT_ASCII
2331     status = apr_xlate_open(&to_ascii, "ISO-8859-1", APR_DEFAULT_CHARSET, cntxt);
2332     if (status) {
2333         fprintf(stderr, "apr_xlate_open(to ASCII)->%d\n", status);
2334         exit(1);
2335     }
2336     status = apr_xlate_open(&from_ascii, APR_DEFAULT_CHARSET, "ISO-8859-1", cntxt);
2337     if (status) {
2338         fprintf(stderr, "apr_xlate_open(from ASCII)->%d\n", status);
2339         exit(1);
2340     }
2341     status = apr_base64init_ebcdic(to_ascii, from_ascii);
2342     if (status) {
2343         fprintf(stderr, "apr_base64init_ebcdic()->%d\n", status);
2344         exit(1);
2345     }
2346 #endif
2347 
2348     myhost = NULL; /* 0.0.0.0 or :: */
2349 
2350     apr_getopt_init(&opt, cntxt, argc, argv);
2351     while ((status = apr_getopt(opt, "n:c:t:s:b:T:p:u:v:lrkVhwiIx:y:z:C:H:P:A:g:X:de:SqB:m:"
2352 #ifdef USE_SSL
2353             "Z:f:E:"
2354 #endif
2355             ,&c, &opt_arg)) == APR_SUCCESS) {
2356         switch (c) {
2357             case 'n':
2358                 requests = atoi(opt_arg);
2359                 if (requests <= 0) {
2360                     err("Invalid number of requests\n");
2361                 }
2362                 break;
2363             case 'k':
2364                 keepalive = 1;
2365                 break;
2366             case 'q':
2367                 heartbeatres = 0;
2368                 break;
2369             case 'c':
2370                 concurrency = atoi(opt_arg);
2371                 break;
2372             case 'b':
2373                 windowsize = atoi(opt_arg);
2374                 break;
2375             case 'i':
2376                 if (method != NO_METH)
2377                     err("Cannot mix HEAD with other methods\n");
2378                 method = HEAD;
2379                 break;
2380             case 'g':
2381                 gnuplot = xstrdup(opt_arg);
2382                 break;
2383             case 'd':
2384                 percentile = 0;
2385                 break;
2386             case 'e':
2387                 csvperc = xstrdup(opt_arg);
2388                 break;
2389             case 'S':
2390                 confidence = 0;
2391                 break;
2392             case 's':
2393                 aprtimeout = apr_time_from_sec(atoi(opt_arg)); /* timeout value */
2394                 break;
2395             case 'p':
2396                 if (method != NO_METH)
2397                     err("Cannot mix POST with other methods\n");
2398                 if (open_postfile(opt_arg) != APR_SUCCESS) {
2399                     exit(1);
2400                 }
2401                 method = POST;
2402                 send_body = 1;
2403                 break;
2404             case 'u':
2405                 if (method != NO_METH)
2406                     err("Cannot mix PUT with other methods\n");
2407                 if (open_postfile(opt_arg) != APR_SUCCESS) {
2408                     exit(1);
2409                 }
2410                 method = PUT;
2411                 send_body = 1;
2412                 break;
2413             case 'l':
2414                 nolength = 1;
2415                 break;
2416             case 'r':
2417                 recverrok = 1;
2418                 break;
2419             case 'v':
2420                 verbosity = atoi(opt_arg);
2421                 break;
2422             case 't':
2423                 tlimit = atoi(opt_arg);
2424                 requests = MAX_REQUESTS;    /* need to size data array on
2425                                              * something */
2426                 break;
2427             case 'T':
2428                 content_type = apr_pstrdup(cntxt, opt_arg);
2429                 break;
2430             case 'C':
2431                 cookie = apr_pstrcat(cntxt, "Cookie: ", opt_arg, "\r\n", NULL);
2432                 break;
2433             case 'A':
2434                 /*
2435                  * assume username passwd already to be in colon separated form.
2436                  * Ready to be uu-encoded.
2437                  */
2438                 while (apr_isspace(*opt_arg))
2439                     opt_arg++;
2440                 if (apr_base64_encode_len(strlen(opt_arg)) > sizeof(tmp)) {
2441                     err("Authentication credentials too long\n");
2442                 }
2443                 l = apr_base64_encode(tmp, opt_arg, strlen(opt_arg));
2444                 tmp[l] = '\0';
2445 
2446                 auth = apr_pstrcat(cntxt, auth, "Authorization: Basic ", tmp,
2447                                        "\r\n", NULL);
2448                 break;
2449             case 'P':
2450                 /*
2451                  * assume username passwd already to be in colon separated form.
2452                  */
2453                 while (apr_isspace(*opt_arg))
2454                 opt_arg++;
2455                 if (apr_base64_encode_len(strlen(opt_arg)) > sizeof(tmp)) {
2456                     err("Proxy credentials too long\n");
2457                 }
2458                 l = apr_base64_encode(tmp, opt_arg, strlen(opt_arg));
2459                 tmp[l] = '\0';
2460 
2461                 auth = apr_pstrcat(cntxt, auth, "Proxy-Authorization: Basic ",
2462                                        tmp, "\r\n", NULL);
2463                 break;
2464             case 'H':
2465                 hdrs = apr_pstrcat(cntxt, hdrs, opt_arg, "\r\n", NULL);
2466                 /*
2467                  * allow override of some of the common headers that ab adds
2468                  */
2469                 if (strncasecmp(opt_arg, "Host:", 5) == 0) {
2470                     char *host;
2471                     apr_size_t len;
2472                     opt_arg += 5;
2473                     while (apr_isspace(*opt_arg))
2474                         opt_arg++;
2475                     len = strlen(opt_arg);
2476                     host = strdup(opt_arg);
2477                     while (len && apr_isspace(host[len-1]))
2478                         host[--len] = '\0';
2479                     opt_host = host;
2480                 } else if (strncasecmp(opt_arg, "Accept:", 7) == 0) {
2481                     opt_accept = 1;
2482                 } else if (strncasecmp(opt_arg, "User-Agent:", 11) == 0) {
2483                     opt_useragent = 1;
2484                 }
2485                 break;
2486             case 'w':
2487                 use_html = 1;
2488                 break;
2489                 /*
2490                  * if any of the following three are used, turn on html output
2491                  * automatically
2492                  */
2493             case 'x':
2494                 use_html = 1;
2495                 tablestring = opt_arg;
2496                 break;
2497             case 'X':
2498                 {
2499                     char *p;
2500                     /*
2501                      * assume proxy-name[:port]
2502                      */
2503                     if ((p = strchr(opt_arg, ':'))) {
2504                         *p = '\0';
2505                         p++;
2506                         proxyport = atoi(p);
2507                     }
2508                     proxyhost = apr_pstrdup(cntxt, opt_arg);
2509                     isproxy = 1;
2510                 }
2511                 break;
2512             case 'y':
2513                 use_html = 1;
2514                 trstring = opt_arg;
2515                 break;
2516             case 'z':
2517                 use_html = 1;
2518                 tdstring = opt_arg;
2519                 break;
2520             case 'h':
2521                 usage(argv[0]);
2522                 break;
2523             case 'V':
2524                 copyright();
2525                 return 0;
2526             case 'B':
2527                 myhost = apr_pstrdup(cntxt, opt_arg);
2528                 break;
2529             case 'm':
2530                 method = CUSTOM_METHOD;
2531                 method_str[CUSTOM_METHOD] = strdup(opt_arg);
2532                 break;
2533 #ifdef USE_SSL
2534             case 'Z':
2535                 ssl_cipher = strdup(opt_arg);
2536                 break;
2537             case 'E':
2538                 ssl_cert = strdup(opt_arg);
2539                 break;
2540             case 'f':
2541 #if OPENSSL_VERSION_NUMBER < 0x10100000L
2542                 if (strncasecmp(opt_arg, "ALL", 3) == 0) {
2543                     meth = SSLv23_client_method();
2544 #ifndef OPENSSL_NO_SSL2
2545                 } else if (strncasecmp(opt_arg, "SSL2", 4) == 0) {
2546                     meth = SSLv2_client_method();
2547 #ifdef HAVE_TLSEXT
2548                     tls_use_sni = 0;
2549 #endif
2550 #endif
2551 #ifndef OPENSSL_NO_SSL3
2552                 } else if (strncasecmp(opt_arg, "SSL3", 4) == 0) {
2553                     meth = SSLv3_client_method();
2554 #ifdef HAVE_TLSEXT
2555                     tls_use_sni = 0;
2556 #endif
2557 #endif
2558 #ifdef HAVE_TLSV1_X
2559                 } else if (strncasecmp(opt_arg, "TLS1.1", 6) == 0) {
2560                     meth = TLSv1_1_client_method();
2561                 } else if (strncasecmp(opt_arg, "TLS1.2", 6) == 0) {
2562                     meth = TLSv1_2_client_method();
2563 #endif
2564                 } else if (strncasecmp(opt_arg, "TLS1", 4) == 0) {
2565                     meth = TLSv1_client_method();
2566                 }
2567 #else /* #if OPENSSL_VERSION_NUMBER < 0x10100000L */
2568                 meth = TLS_client_method();
2569                 if (strncasecmp(opt_arg, "ALL", 3) == 0) {
2570                     max_prot = TLS1_2_VERSION;
2571 #ifndef OPENSSL_NO_SSL3
2572                     min_prot = SSL3_VERSION;
2573 #else
2574                     min_prot = TLS1_VERSION;
2575 #endif
2576 #ifndef OPENSSL_NO_SSL3
2577                 } else if (strncasecmp(opt_arg, "SSL3", 4) == 0) {
2578                     max_prot = SSL3_VERSION;
2579                     min_prot = SSL3_VERSION;
2580 #endif
2581                 } else if (strncasecmp(opt_arg, "TLS1.1", 6) == 0) {
2582                     max_prot = TLS1_1_VERSION;
2583                     min_prot = TLS1_1_VERSION;
2584                 } else if (strncasecmp(opt_arg, "TLS1.2", 6) == 0) {
2585                     max_prot = TLS1_2_VERSION;
2586                     min_prot = TLS1_2_VERSION;
2587                 } else if (strncasecmp(opt_arg, "TLS1", 4) == 0) {
2588                     max_prot = TLS1_VERSION;
2589                     min_prot = TLS1_VERSION;
2590                 }
2591 #endif /* #if OPENSSL_VERSION_NUMBER < 0x10100000L */
2592                 break;
2593 #ifdef HAVE_TLSEXT
2594             case 'I':
2595                 tls_use_sni = 0;
2596                 break;
2597 #endif
2598 #endif
2599         }
2600     }
2601 
2602     if (opt->ind != argc - 1) {
2603         fprintf(stderr, "%s: wrong number of arguments\n", argv[0]);
2604         usage(argv[0]);
2605     }
2606 
2607     if (method == NO_METH) {
2608         method = GET;
2609     }
2610 
2611     if (parse_url(apr_pstrdup(cntxt, opt->argv[opt->ind++]))) {
2612         fprintf(stderr, "%s: invalid URL\n", argv[0]);
2613         usage(argv[0]);
2614     }
2615 
2616     if ((concurrency < 0) || (concurrency > MAX_CONCURRENCY)) {
2617         fprintf(stderr, "%s: Invalid Concurrency [Range 0..%d]\n",
2618                 argv[0], MAX_CONCURRENCY);
2619         usage(argv[0]);
2620     }
2621 
2622     if (concurrency > requests) {
2623         fprintf(stderr, "%s: Cannot use concurrency level greater than "
2624                 "total number of requests\n", argv[0]);
2625         usage(argv[0]);
2626     }
2627 
2628     if ((heartbeatres) && (requests > 150)) {
2629         heartbeatres = requests / 10;   /* Print line every 10% of requests */
2630         if (heartbeatres < 100)
2631             heartbeatres = 100; /* but never more often than once every 100
2632                                  * connections. */
2633     }
2634     else
2635         heartbeatres = 0;
2636 
2637 #ifdef USE_SSL
2638 #ifdef RSAREF
2639     R_malloc_init();
2640 #else
2641 #if OPENSSL_VERSION_NUMBER < 0x10100000L
2642     CRYPTO_malloc_init();
2643 #endif
2644 #endif
2645     SSL_load_error_strings();
2646     SSL_library_init();
2647     bio_out=BIO_new_fp(stdout,BIO_NOCLOSE);
2648     bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
2649 
2650     if (!(ssl_ctx = SSL_CTX_new(meth))) {
2651         BIO_printf(bio_err, "Could not initialize SSL Context.\n");
2652         ERR_print_errors(bio_err);
2653         exit(1);
2654     }
2655     SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL);
2656 #if OPENSSL_VERSION_NUMBER >= 0x10100000L
2657     SSL_CTX_set_max_proto_version(ssl_ctx, max_prot);
2658     SSL_CTX_set_min_proto_version(ssl_ctx, min_prot);
2659 #endif
2660 #ifdef SSL_MODE_RELEASE_BUFFERS
2661     /* Keep memory usage as low as possible */
2662     SSL_CTX_set_mode (ssl_ctx, SSL_MODE_RELEASE_BUFFERS);
2663 #endif
2664     if (ssl_cipher != NULL) {
2665         if (!SSL_CTX_set_cipher_list(ssl_ctx, ssl_cipher)) {
2666             fprintf(stderr, "error setting cipher list [%s]\n", ssl_cipher);
2667         ERR_print_errors_fp(stderr);
2668         exit(1);
2669     }
2670     }
2671     if (verbosity >= 3) {
2672         SSL_CTX_set_info_callback(ssl_ctx, ssl_state_cb);
2673     }
2674     if (ssl_cert != NULL) {
2675         if (SSL_CTX_use_certificate_chain_file(ssl_ctx, ssl_cert) <= 0) {
2676             BIO_printf(bio_err, "unable to get certificate from '%s'\n",
2677             		ssl_cert);
2678             ERR_print_errors(bio_err);
2679             exit(1);
2680         }
2681         if (SSL_CTX_use_PrivateKey_file(ssl_ctx, ssl_cert, SSL_FILETYPE_PEM) <= 0) {
2682             BIO_printf(bio_err, "unable to get private key from '%s'\n",
2683                 ssl_cert);
2684             ERR_print_errors(bio_err);
2685             exit(1);
2686         }
2687         if (!SSL_CTX_check_private_key(ssl_ctx)) {
2688             BIO_printf(bio_err,
2689                        "private key does not match the certificate public key in %s\n", ssl_cert);
2690             exit(1);
2691         }
2692     }
2693 
2694 #endif
2695 #ifdef SIGPIPE
2696     apr_signal(SIGPIPE, SIG_IGN);       /* Ignore writes to connections that
2697                                          * have been closed at the other end. */
2698 #endif
2699     copyright();
2700     test();
2701     apr_pool_destroy(cntxt);
2702 
2703     return 0;
2704 }
2705